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442
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1 /* The mswindows event_stream interface.
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428
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2 Copyright (C) 1991, 1992, 1993, 1994, 1995 Free Software Foundation, Inc.
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3 Copyright (C) 1995 Sun Microsystems, Inc.
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442
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4 Copyright (C) 1996, 2000 Ben Wing.
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428
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5 Copyright (C) 1997 Jonathan Harris.
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6
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7 This file is part of XEmacs.
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8
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9 XEmacs is free software; you can redistribute it and/or modify it
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10 under the terms of the GNU General Public License as published by the
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11 Free Software Foundation; either version 2, or (at your option) any
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12 later version.
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13
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14 XEmacs is distributed in the hope that it will be useful, but WITHOUT
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15 ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
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16 FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License
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17 for more details.
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18
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19 You should have received a copy of the GNU General Public License
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20 along with XEmacs; see the file COPYING. If not, write to
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21 the Free Software Foundation, Inc., 59 Temple Place - Suite 330,
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22 Boston, MA 02111-1307, USA. */
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23
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24 /* Synched up with: Not in FSF. */
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25
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26 /* Authorship:
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27
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28 Ultimately based on FSF.
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29 Rewritten by Ben Wing.
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30 Rewritten for mswindows by Jonathan Harris, November 1997 for 21.0.
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31 Subprocess and modal loop support by Kirill M. Katsnelson.
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32 */
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33
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34 #include <config.h>
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35 #include "lisp.h"
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36
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37 #include "console-msw.h"
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38
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39 #ifdef HAVE_SCROLLBARS
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40 # include "scrollbar-msw.h"
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41 #endif
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42
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43 #ifdef HAVE_MENUBARS
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442
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44 # include "menubar.h"
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428
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45 # include "menubar-msw.h"
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46 #endif
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47
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48 #ifdef HAVE_DRAGNDROP
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49 # include "dragdrop.h"
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50 #endif
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51
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52 #include "device.h"
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53 #include "events.h"
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54 #include "frame.h"
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55 #include "buffer.h"
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56 #include "faces.h"
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57 #include "lstream.h"
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58 #include "process.h"
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59 #include "redisplay.h"
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430
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60 #include "select.h"
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442
|
61 #include "window.h"
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428
|
62 #include "sysproc.h"
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63 #include "syswait.h"
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64 #include "systime.h"
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65 #include "sysdep.h"
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66 #include "objects-msw.h"
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67
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68 #ifdef HAVE_MSG_SELECT
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69 #include "sysfile.h"
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70 #include "console-tty.h"
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442
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71 #elif defined(CYGWIN)
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428
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72 typedef unsigned int SOCKET;
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73 #endif
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74 #include <io.h>
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75 #include <errno.h>
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76
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442
|
77 #if !(defined(CYGWIN) || defined(MINGW))
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78 # include <shlobj.h> /* For IShellLink */
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428
|
79 #endif
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80
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81 #ifdef HAVE_MENUBARS
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82 #define ADJR_MENUFLAG TRUE
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83 #else
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84 #define ADJR_MENUFLAG FALSE
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85 #endif
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86
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87 /* Fake key modifier which is attached to a quit char event.
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88 Removed upon dequeueing an event */
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502
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89 #define FAKE_MOD_QUIT (1 << 20)
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90 #define FAKE_MOD_QUIT_CRITICAL (1 << 21)
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428
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91
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92 /* Timer ID used for button2 emulation */
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93 #define BUTTON_2_TIMER_ID 1
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94
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95 static Lisp_Object mswindows_find_frame (HWND hwnd);
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96 static Lisp_Object mswindows_find_console (HWND hwnd);
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97 static Lisp_Object mswindows_key_to_emacs_keysym (int mswindows_key, int mods,
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98 int extendedp);
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442
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99 static int mswindows_modifier_state (BYTE* keymap, DWORD fwKeys,
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100 int has_AltGr);
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428
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101 static void mswindows_set_chord_timer (HWND hwnd);
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102 static int mswindows_button2_near_enough (POINTS p1, POINTS p2);
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103 static int mswindows_current_layout_has_AltGr (void);
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442
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104 static int mswindows_handle_sticky_modifiers (WPARAM wParam, LPARAM lParam,
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105 int downp, int keyp);
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428
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106
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107 static struct event_stream *mswindows_event_stream;
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108
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109 #ifdef HAVE_MSG_SELECT
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110 extern SELECT_TYPE input_wait_mask, non_fake_input_wait_mask;
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111 extern SELECT_TYPE process_only_mask, tty_only_mask;
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112 SELECT_TYPE zero_mask;
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113 extern int signal_event_pipe_initialized;
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114 int windows_fd;
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115 #endif
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116
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117 /*
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118 * Two separate queues, for efficiency, one (_u_) for user events, and
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119 * another (_s_) for non-user ones. We always return events out of the
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120 * first one until it is empty and only then proceed with the second
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121 * one.
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122 */
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123 static Lisp_Object mswindows_u_dispatch_event_queue, mswindows_u_dispatch_event_queue_tail;
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124 static Lisp_Object mswindows_s_dispatch_event_queue, mswindows_s_dispatch_event_queue_tail;
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125
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126 /* The number of things we can wait on */
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127 #define MAX_WAITABLE (MAXIMUM_WAIT_OBJECTS - 1)
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128
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129 #ifndef HAVE_MSG_SELECT
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130 /* List of mswindows waitable handles. */
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131 static HANDLE mswindows_waitable_handles[MAX_WAITABLE];
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132
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133 /* Number of wait handles */
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134 static int mswindows_waitable_count=0;
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135 #endif /* HAVE_MSG_SELECT */
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|
442
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136
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428
|
137 /* Brush for painting widgets */
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138 static HBRUSH widget_brush = 0;
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139 static LONG last_widget_brushed = 0;
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140
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141 /* Count of quit chars currently in the queue */
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142 /* Incremented in WM_[SYS]KEYDOWN handler in the mswindows_wnd_proc()
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143 Decremented in mswindows_dequeue_dispatch_event() */
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144 int mswindows_quit_chars_count = 0;
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145
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|
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146 /* These are Lisp integers; see DEFVARS in this file for description. */
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147 int mswindows_dynamic_frame_resize;
|
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442
|
148 int mswindows_alt_by_itself_activates_menu;
|
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458
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149 Fixnum mswindows_num_mouse_buttons;
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150 Fixnum mswindows_mouse_button_max_skew_x;
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151 Fixnum mswindows_mouse_button_max_skew_y;
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152 Fixnum mswindows_mouse_button_tolerance;
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|
428
|
153
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442
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154 #ifdef DEBUG_XEMACS
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458
|
155 Fixnum debug_mswindows_events;
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442
|
156 #endif
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157
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428
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158 /* This is the event signaled by the event pump.
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159 See mswindows_pump_outstanding_events for comments */
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160 static Lisp_Object mswindows_error_caught_in_modal_loop;
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161 static int mswindows_in_modal_loop;
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162
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163 /* Count of wound timers */
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164 static int mswindows_pending_timers_count;
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442
|
165
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166 static DWORD mswindows_last_mouse_button_state;
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|
428
|
167
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168 /************************************************************************/
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169 /* Pipe instream - reads process output */
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170 /************************************************************************/
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171
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172 #define PIPE_READ_DELAY 20
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173
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174 #define HANDLE_TO_USID(h) ((USID)(h))
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175
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176 #define NTPIPE_SLURP_STREAM_DATA(stream) \
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177 LSTREAM_TYPE_DATA (stream, ntpipe_slurp)
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178
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179 /* This structure is allocated by the main thread, and is deallocated
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180 in the thread upon exit. There are situations when a thread
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181 remains blocked for a long time, much longer than the lstream
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182 exists. For example, "start notepad" command is issued from the
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183 shell, then the shell is closed by C-c C-d. Although the shell
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184 process exits, its output pipe will not get closed until the
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185 notepad process exits also, because it inherits the pipe form the
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186 shell. In this case, we abandon the thread, and let it live until
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187 all such processes exit. While struct ntpipe_slurp_stream is
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188 deallocated in this case, ntpipe_slurp_stream_shared_data are not. */
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189
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190 struct ntpipe_slurp_stream_shared_data
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191 {
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192 HANDLE hev_thread; /* Our thread blocks on this, signaled by caller */
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442
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193 /* This is a manual-reset object. */
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428
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194 HANDLE hev_caller; /* Caller blocks on this, and we signal it */
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442
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195 /* This is a manual-reset object. */
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428
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196 HANDLE hev_unsleep; /* Pipe read delay is canceled if this is set */
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442
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197 /* This is a manual-reset object. */
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428
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198 HANDLE hpipe; /* Pipe read end handle. */
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199 LONG die_p; /* Thread must exit ASAP if non-zero */
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200 BOOL eof_p : 1; /* Set when thread saw EOF */
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201 BOOL error_p : 1; /* Read error other than EOF/broken pipe */
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202 BOOL inuse_p : 1; /* this structure is in use */
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203 LONG lock_count; /* Client count of this struct, 0=safe to free */
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204 BYTE onebyte; /* One byte buffer read by thread */
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205 };
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206
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207 #define MAX_SLURP_STREAMS 32
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208 struct ntpipe_slurp_stream_shared_data
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209 shared_data_block[MAX_SLURP_STREAMS]={{0}};
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210
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211 struct ntpipe_slurp_stream
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212 {
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213 LPARAM user_data; /* Any user data stored in the stream object */
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214 struct ntpipe_slurp_stream_shared_data* thread_data;
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215 };
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216
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217 DEFINE_LSTREAM_IMPLEMENTATION ("ntpipe-input", lstream_ntpipe_slurp,
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218 sizeof (struct ntpipe_slurp_stream));
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219
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220 /* This function is thread-safe, and is called from either thread
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221 context. It serializes freeing shared data structure */
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222 static void
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223 slurper_free_shared_data_maybe (struct ntpipe_slurp_stream_shared_data* s)
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224 {
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225 if (InterlockedDecrement (&s->lock_count) == 0)
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226 {
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227 /* Destroy events */
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228 CloseHandle (s->hev_thread);
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229 CloseHandle (s->hev_caller);
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230 CloseHandle (s->hev_unsleep);
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231 s->inuse_p = 0;
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232 }
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233 }
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234
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235 static struct ntpipe_slurp_stream_shared_data*
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442
|
236 slurper_allocate_shared_data (void)
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|
428
|
237 {
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238 int i=0;
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239 for (i=0; i<MAX_SLURP_STREAMS; i++)
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240 {
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241 if (!shared_data_block[i].inuse_p)
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242 {
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243 shared_data_block[i].inuse_p=1;
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244 return &shared_data_block[i];
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245 }
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246 }
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247 return (struct ntpipe_slurp_stream_shared_data*)0;
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248 }
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249
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250 static DWORD WINAPI
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251 slurp_thread (LPVOID vparam)
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|
252 {
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253 struct ntpipe_slurp_stream_shared_data *s =
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254 (struct ntpipe_slurp_stream_shared_data*)vparam;
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255
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256 for (;;)
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257 {
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258 /* Read one byte from the pipe */
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259 DWORD actually_read;
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260 if (!ReadFile (s->hpipe, &s->onebyte, 1, &actually_read, NULL))
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261 {
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262 DWORD err = GetLastError ();
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263 if (err == ERROR_BROKEN_PIPE || err == ERROR_NO_DATA)
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264 s->eof_p = TRUE;
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265 else
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266 s->error_p = TRUE;
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267 }
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268 else if (actually_read == 0)
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269 s->eof_p = TRUE;
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270
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271 /* We must terminate on an error or eof */
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272 if (s->eof_p || s->error_p)
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273 InterlockedIncrement (&s->die_p);
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274
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275 /* Before we notify caller, we unsignal our event. */
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276 ResetEvent (s->hev_thread);
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277
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278 /* Now we got something to notify caller, either a byte or an
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279 error/eof indication. Before we do, allow internal pipe
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280 buffer to accumulate little bit more data.
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281 Reader function pulses this event before waiting for
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282 a character, to avoid pipe delay, and to get the byte
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283 immediately. */
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284 if (!s->die_p)
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285 WaitForSingleObject (s->hev_unsleep, PIPE_READ_DELAY);
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286
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287 /* Either make event loop generate a process event, or
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288 inblock reader */
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289 SetEvent (s->hev_caller);
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290
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291 /* Cleanup and exit if we're shot off */
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292 if (s->die_p)
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293 break;
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294
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295 /* Block until the client finishes with retrieving the rest of
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296 pipe data */
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297 WaitForSingleObject (s->hev_thread, INFINITE);
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298 }
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299
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300 slurper_free_shared_data_maybe (s);
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301
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302 return 0;
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|
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303 }
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304
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305 static Lisp_Object
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306 make_ntpipe_input_stream (HANDLE hpipe, LPARAM param)
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|
|
307 {
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|
|
308 Lisp_Object obj;
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309 Lstream *lstr = Lstream_new (lstream_ntpipe_slurp, "r");
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310 struct ntpipe_slurp_stream* s = NTPIPE_SLURP_STREAM_DATA (lstr);
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311 DWORD thread_id_unused;
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|
312 HANDLE hthread;
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313
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314 /* We deal only with pipes, for we're using PeekNamedPipe api */
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315 assert (GetFileType (hpipe) == FILE_TYPE_PIPE);
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|
316
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|
|
317 s->thread_data = slurper_allocate_shared_data();
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|
318
|
|
|
319 /* Create reader thread. This could fail, so do not create events
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|
320 until thread is created */
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|
321 hthread = CreateThread (NULL, 0, slurp_thread, (LPVOID)s->thread_data,
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|
322 CREATE_SUSPENDED, &thread_id_unused);
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|
323 if (hthread == NULL)
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|
|
324 {
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|
|
325 Lstream_delete (lstr);
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|
326 s->thread_data->inuse_p=0;
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|
327 return Qnil;
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|
|
328 }
|
|
|
329
|
|
|
330 /* Shared data are initially owned by both main and slurper
|
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|
331 threads. */
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|
|
332 s->thread_data->lock_count = 2;
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|
|
333 s->thread_data->die_p = 0;
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|
|
334 s->thread_data->eof_p = FALSE;
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|
|
335 s->thread_data->error_p = FALSE;
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|
|
336 s->thread_data->hpipe = hpipe;
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|
|
337 s->user_data = param;
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|
|
338
|
|
|
339 /* hev_thread is a manual-reset event, initially signaled */
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|
|
340 s->thread_data->hev_thread = CreateEvent (NULL, TRUE, TRUE, NULL);
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|
|
341 /* hev_caller is a manual-reset event, initially nonsignaled */
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|
|
342 s->thread_data->hev_caller = CreateEvent (NULL, TRUE, FALSE, NULL);
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|
|
343 /* hev_unsleep is a manual-reset event, initially nonsignaled */
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|
|
344 s->thread_data->hev_unsleep = CreateEvent (NULL, TRUE, FALSE, NULL);
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|
|
345
|
|
|
346 /* Now let it go */
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|
|
347 ResumeThread (hthread);
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|
|
348 CloseHandle (hthread);
|
|
|
349
|
|
|
350 lstr->flags |= LSTREAM_FL_CLOSE_AT_DISKSAVE;
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|
|
351 XSETLSTREAM (obj, lstr);
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|
|
352 return obj;
|
|
|
353 }
|
|
|
354
|
|
|
355 static LPARAM
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|
|
356 get_ntpipe_input_stream_param (Lstream *stream)
|
|
|
357 {
|
|
|
358 struct ntpipe_slurp_stream* s = NTPIPE_SLURP_STREAM_DATA(stream);
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|
|
359 return s->user_data;
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|
|
360 }
|
|
|
361
|
|
|
362 static HANDLE
|
|
|
363 get_ntpipe_input_stream_waitable (Lstream *stream)
|
|
|
364 {
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|
|
365 struct ntpipe_slurp_stream* s = NTPIPE_SLURP_STREAM_DATA(stream);
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|
|
366 return s->thread_data->hev_caller;
|
|
|
367 }
|
|
|
368
|
|
462
|
369 static Lstream_data_count
|
|
|
370 ntpipe_slurp_reader (Lstream *stream, unsigned char *data,
|
|
|
371 Lstream_data_count size)
|
|
428
|
372 {
|
|
|
373 /* This function must be called from the main thread only */
|
|
|
374 struct ntpipe_slurp_stream_shared_data* s =
|
|
|
375 NTPIPE_SLURP_STREAM_DATA(stream)->thread_data;
|
|
|
376
|
|
|
377 if (!s->die_p)
|
|
|
378 {
|
|
|
379 DWORD wait_result;
|
|
|
380 /* Disallow pipe read delay for the thread: we need a character
|
|
|
381 ASAP */
|
|
|
382 SetEvent (s->hev_unsleep);
|
|
|
383
|
|
|
384 /* Check if we have a character ready. Give it a short delay,
|
|
|
385 for the thread to awake from pipe delay, just ion case*/
|
|
|
386 wait_result = WaitForSingleObject (s->hev_caller, 2);
|
|
|
387
|
|
|
388 /* Revert to the normal sleep behavior. */
|
|
|
389 ResetEvent (s->hev_unsleep);
|
|
|
390
|
|
|
391 /* If there's no byte buffered yet, give up */
|
|
|
392 if (wait_result == WAIT_TIMEOUT)
|
|
|
393 {
|
|
|
394 errno = EAGAIN;
|
|
|
395 return -1;
|
|
|
396 }
|
|
|
397 }
|
|
|
398
|
|
|
399 /* Reset caller unlock event now, as we've handled the pending
|
|
|
400 process output event */
|
|
|
401 ResetEvent (s->hev_caller);
|
|
|
402
|
|
|
403 /* It is now safe to do anything with contents of S, except for
|
|
|
404 changing s->die_p, which still should be interlocked */
|
|
|
405
|
|
|
406 if (s->eof_p)
|
|
|
407 return 0;
|
|
|
408 if (s->error_p || s->die_p)
|
|
|
409 return -1;
|
|
|
410
|
|
|
411 /* Ok, there were no error neither eof - we've got a byte from the
|
|
|
412 pipe */
|
|
|
413 *(data++) = s->onebyte;
|
|
|
414 --size;
|
|
|
415
|
|
|
416 {
|
|
|
417 DWORD bytes_read = 0;
|
|
|
418 if (size > 0)
|
|
|
419 {
|
|
|
420 DWORD bytes_available;
|
|
|
421
|
|
|
422 /* If the api call fails, return at least one byte already
|
|
|
423 read. ReadFile in thread will return error */
|
|
|
424 if (PeekNamedPipe (s->hpipe, NULL, 0, NULL, &bytes_available, NULL))
|
|
|
425 {
|
|
|
426
|
|
|
427 /* Fetch available bytes. The same consideration applies,
|
|
|
428 so do not check for errors. ReadFile in the thread will
|
|
|
429 fail if the next call fails. */
|
|
|
430 if (bytes_available)
|
|
|
431 ReadFile (s->hpipe, data, min (bytes_available, size),
|
|
|
432 &bytes_read, NULL);
|
|
|
433 }
|
|
|
434
|
|
|
435 /* Now we can unblock thread, so it attempts to read more */
|
|
|
436 SetEvent (s->hev_thread);
|
|
|
437 return bytes_read + 1;
|
|
|
438 }
|
|
|
439 }
|
|
|
440 return 0;
|
|
|
441 }
|
|
|
442
|
|
|
443 static int
|
|
|
444 ntpipe_slurp_closer (Lstream *stream)
|
|
|
445 {
|
|
|
446 /* This function must be called from the main thread only */
|
|
|
447 struct ntpipe_slurp_stream_shared_data* s =
|
|
|
448 NTPIPE_SLURP_STREAM_DATA(stream)->thread_data;
|
|
|
449
|
|
|
450 /* Force thread to stop */
|
|
|
451 InterlockedIncrement (&s->die_p);
|
|
|
452
|
|
|
453 /* Set events which could possibly block slurper. Let it finish soon
|
|
|
454 or later. */
|
|
|
455 SetEvent (s->hev_unsleep);
|
|
|
456 SetEvent (s->hev_thread);
|
|
|
457
|
|
|
458 /* Unlock and maybe free shared data */
|
|
|
459 slurper_free_shared_data_maybe (s);
|
|
|
460
|
|
|
461 return 0;
|
|
|
462 }
|
|
|
463
|
|
|
464 static void
|
|
|
465 init_slurp_stream (void)
|
|
|
466 {
|
|
|
467 LSTREAM_HAS_METHOD (ntpipe_slurp, reader);
|
|
|
468 LSTREAM_HAS_METHOD (ntpipe_slurp, closer);
|
|
|
469 }
|
|
|
470
|
|
|
471 /************************************************************************/
|
|
|
472 /* Pipe outstream - writes process input */
|
|
|
473 /************************************************************************/
|
|
|
474
|
|
|
475 #define NTPIPE_SHOVE_STREAM_DATA(stream) \
|
|
|
476 LSTREAM_TYPE_DATA (stream, ntpipe_shove)
|
|
|
477
|
|
442
|
478 #define MAX_SHOVE_BUFFER_SIZE 512
|
|
428
|
479
|
|
|
480 struct ntpipe_shove_stream
|
|
|
481 {
|
|
|
482 LPARAM user_data; /* Any user data stored in the stream object */
|
|
|
483 HANDLE hev_thread; /* Our thread blocks on this, signaled by caller */
|
|
442
|
484 /* This is an auto-reset object. */
|
|
428
|
485 HANDLE hpipe; /* Pipe write end handle. */
|
|
|
486 HANDLE hthread; /* Reader thread handle. */
|
|
|
487 char buffer[MAX_SHOVE_BUFFER_SIZE]; /* Buffer being written */
|
|
|
488 DWORD size; /* Number of bytes to write */
|
|
|
489 LONG die_p; /* Thread must exit ASAP if non-zero */
|
|
|
490 LONG idle_p; /* Non-zero if thread is waiting for job */
|
|
|
491 BOOL error_p : 1; /* Read error other than EOF/broken pipe */
|
|
|
492 BOOL blocking_p : 1;/* Last write attempt would cause blocking */
|
|
|
493 };
|
|
|
494
|
|
|
495 DEFINE_LSTREAM_IMPLEMENTATION ("ntpipe-output", lstream_ntpipe_shove,
|
|
|
496 sizeof (struct ntpipe_shove_stream));
|
|
|
497
|
|
|
498 #ifndef HAVE_MSG_SELECT
|
|
|
499 static DWORD WINAPI
|
|
|
500 shove_thread (LPVOID vparam)
|
|
|
501 {
|
|
|
502 struct ntpipe_shove_stream *s = (struct ntpipe_shove_stream*) vparam;
|
|
|
503
|
|
|
504 for (;;)
|
|
|
505 {
|
|
|
506 DWORD bytes_written;
|
|
|
507
|
|
|
508 /* Block on event and wait for a job */
|
|
|
509 InterlockedIncrement (&s->idle_p);
|
|
|
510 WaitForSingleObject (s->hev_thread, INFINITE);
|
|
|
511
|
|
442
|
512 /* Write passed buffer if any */
|
|
|
513 if (s->size > 0)
|
|
428
|
514 {
|
|
442
|
515 if (!WriteFile (s->hpipe, s->buffer, s->size, &bytes_written, NULL)
|
|
|
516 || bytes_written != s->size)
|
|
|
517 {
|
|
|
518 s->error_p = TRUE;
|
|
|
519 InterlockedIncrement (&s->die_p);
|
|
|
520 }
|
|
|
521 /* Set size to zero so we won't write it again if the closer sets
|
|
|
522 die_p and kicks us */
|
|
|
523 s->size = 0;
|
|
428
|
524 }
|
|
|
525
|
|
|
526 if (s->die_p)
|
|
|
527 break;
|
|
|
528 }
|
|
|
529
|
|
|
530 return 0;
|
|
|
531 }
|
|
|
532
|
|
|
533 static Lisp_Object
|
|
|
534 make_ntpipe_output_stream (HANDLE hpipe, LPARAM param)
|
|
|
535 {
|
|
|
536 Lisp_Object obj;
|
|
|
537 Lstream *lstr = Lstream_new (lstream_ntpipe_shove, "w");
|
|
|
538 struct ntpipe_shove_stream* s = NTPIPE_SHOVE_STREAM_DATA (lstr);
|
|
|
539 DWORD thread_id_unused;
|
|
|
540
|
|
|
541 s->die_p = 0;
|
|
|
542 s->error_p = FALSE;
|
|
|
543 s->hpipe = hpipe;
|
|
|
544 s->user_data = param;
|
|
|
545
|
|
|
546 /* Create reader thread. This could fail, so do not
|
|
|
547 create the event until thread is created */
|
|
|
548 s->hthread = CreateThread (NULL, 0, shove_thread, (LPVOID)s,
|
|
|
549 CREATE_SUSPENDED, &thread_id_unused);
|
|
|
550 if (s->hthread == NULL)
|
|
|
551 {
|
|
|
552 Lstream_delete (lstr);
|
|
|
553 return Qnil;
|
|
|
554 }
|
|
|
555
|
|
442
|
556 /* Set the priority of the thread higher so we don't end up waiting
|
|
|
557 on it to send things. */
|
|
|
558 if (!SetThreadPriority (s->hthread, THREAD_PRIORITY_HIGHEST))
|
|
|
559 {
|
|
|
560 CloseHandle (s->hthread);
|
|
|
561 Lstream_delete (lstr);
|
|
|
562 return Qnil;
|
|
|
563 }
|
|
|
564
|
|
428
|
565 /* hev_thread is an auto-reset event, initially nonsignaled */
|
|
|
566 s->hev_thread = CreateEvent (NULL, FALSE, FALSE, NULL);
|
|
|
567
|
|
|
568 /* Now let it go */
|
|
|
569 ResumeThread (s->hthread);
|
|
|
570
|
|
|
571 lstr->flags |= LSTREAM_FL_CLOSE_AT_DISKSAVE;
|
|
|
572 XSETLSTREAM (obj, lstr);
|
|
|
573 return obj;
|
|
|
574 }
|
|
|
575
|
|
|
576 static LPARAM
|
|
|
577 get_ntpipe_output_stream_param (Lstream *stream)
|
|
|
578 {
|
|
|
579 struct ntpipe_shove_stream* s = NTPIPE_SHOVE_STREAM_DATA(stream);
|
|
|
580 return s->user_data;
|
|
|
581 }
|
|
|
582 #endif
|
|
|
583
|
|
462
|
584 static Lstream_data_count
|
|
|
585 ntpipe_shove_writer (Lstream *stream, const unsigned char *data,
|
|
|
586 Lstream_data_count size)
|
|
428
|
587 {
|
|
|
588 struct ntpipe_shove_stream* s = NTPIPE_SHOVE_STREAM_DATA(stream);
|
|
|
589
|
|
|
590 if (s->error_p)
|
|
|
591 return -1;
|
|
|
592
|
|
|
593 s->blocking_p = !s->idle_p;
|
|
|
594 if (s->blocking_p)
|
|
|
595 return 0;
|
|
|
596
|
|
|
597 if (size>MAX_SHOVE_BUFFER_SIZE)
|
|
|
598 return 0;
|
|
|
599
|
|
|
600 memcpy (s->buffer, data, size);
|
|
|
601 s->size = size;
|
|
|
602
|
|
|
603 /* Start output */
|
|
|
604 InterlockedDecrement (&s->idle_p);
|
|
|
605 SetEvent (s->hev_thread);
|
|
442
|
606 /* Give it a chance to run -- this dramatically improves performance
|
|
|
607 of things like crypt. */
|
|
|
608 if (xSwitchToThread) /* not in Win9x or NT 3.51 */
|
|
|
609 (void) xSwitchToThread ();
|
|
428
|
610 return size;
|
|
|
611 }
|
|
|
612
|
|
|
613 static int
|
|
|
614 ntpipe_shove_was_blocked_p (Lstream *stream)
|
|
|
615 {
|
|
|
616 struct ntpipe_shove_stream* s = NTPIPE_SHOVE_STREAM_DATA(stream);
|
|
|
617 return s->blocking_p;
|
|
|
618 }
|
|
|
619
|
|
|
620 static int
|
|
|
621 ntpipe_shove_closer (Lstream *stream)
|
|
|
622 {
|
|
|
623 struct ntpipe_shove_stream* s = NTPIPE_SHOVE_STREAM_DATA(stream);
|
|
|
624
|
|
|
625 /* Force thread stop */
|
|
|
626 InterlockedIncrement (&s->die_p);
|
|
|
627
|
|
442
|
628 /* Thread will end upon unblocking. If it's already unblocked this will
|
|
|
629 do nothing, but the thread won't look at die_p until it's written any
|
|
|
630 pending output. */
|
|
428
|
631 SetEvent (s->hev_thread);
|
|
|
632
|
|
|
633 /* Wait while thread terminates */
|
|
|
634 WaitForSingleObject (s->hthread, INFINITE);
|
|
442
|
635
|
|
|
636 /* Close pipe handle, possibly breaking it */
|
|
|
637 CloseHandle (s->hpipe);
|
|
|
638
|
|
|
639 /* Close the thread handle */
|
|
428
|
640 CloseHandle (s->hthread);
|
|
|
641
|
|
|
642 /* Destroy the event */
|
|
|
643 CloseHandle (s->hev_thread);
|
|
|
644
|
|
|
645 return 0;
|
|
|
646 }
|
|
|
647
|
|
|
648 static void
|
|
|
649 init_shove_stream (void)
|
|
|
650 {
|
|
|
651 LSTREAM_HAS_METHOD (ntpipe_shove, writer);
|
|
|
652 LSTREAM_HAS_METHOD (ntpipe_shove, was_blocked_p);
|
|
|
653 LSTREAM_HAS_METHOD (ntpipe_shove, closer);
|
|
|
654 }
|
|
|
655
|
|
|
656 /************************************************************************/
|
|
|
657 /* Winsock I/O stream */
|
|
|
658 /************************************************************************/
|
|
|
659 #if defined (HAVE_SOCKETS) && !defined(HAVE_MSG_SELECT)
|
|
|
660
|
|
|
661 #define WINSOCK_READ_BUFFER_SIZE 1024
|
|
|
662
|
|
|
663 struct winsock_stream
|
|
|
664 {
|
|
|
665 LPARAM user_data; /* Any user data stored in the stream object */
|
|
|
666 SOCKET s; /* Socket handle (which is a Win32 handle) */
|
|
|
667 OVERLAPPED ov; /* Overlapped I/O structure */
|
|
|
668 void* buffer; /* Buffer. Allocated for input stream only */
|
|
442
|
669 unsigned long bufsize; /* Number of bytes last read */
|
|
|
670 unsigned long bufpos; /* Position in buffer for next fetch */
|
|
428
|
671 unsigned int error_p :1; /* I/O Error seen */
|
|
|
672 unsigned int eof_p :1; /* EOF Error seen */
|
|
|
673 unsigned int pending_p :1; /* There is a pending I/O operation */
|
|
|
674 unsigned int blocking_p :1; /* Last write attempt would block */
|
|
|
675 };
|
|
|
676
|
|
|
677 #define WINSOCK_STREAM_DATA(stream) LSTREAM_TYPE_DATA (stream, winsock)
|
|
|
678
|
|
|
679 DEFINE_LSTREAM_IMPLEMENTATION ("winsock", lstream_winsock,
|
|
|
680 sizeof (struct winsock_stream));
|
|
|
681
|
|
|
682 static void
|
|
|
683 winsock_initiate_read (struct winsock_stream *str)
|
|
|
684 {
|
|
|
685 ResetEvent (str->ov.hEvent);
|
|
|
686 str->bufpos = 0;
|
|
|
687
|
|
|
688 if (!ReadFile ((HANDLE)str->s, str->buffer, WINSOCK_READ_BUFFER_SIZE,
|
|
|
689 &str->bufsize, &str->ov))
|
|
|
690 {
|
|
|
691 if (GetLastError () == ERROR_IO_PENDING)
|
|
|
692 str->pending_p = 1;
|
|
|
693 else if (GetLastError () == ERROR_HANDLE_EOF)
|
|
|
694 str->eof_p = 1;
|
|
|
695 else
|
|
|
696 str->error_p = 1;
|
|
|
697 }
|
|
|
698 else if (str->bufsize == 0)
|
|
|
699 str->eof_p = 1;
|
|
|
700 }
|
|
|
701
|
|
462
|
702 static Lstream_data_count
|
|
|
703 winsock_reader (Lstream *stream, unsigned char *data, Lstream_data_count size)
|
|
428
|
704 {
|
|
|
705 struct winsock_stream *str = WINSOCK_STREAM_DATA (stream);
|
|
|
706
|
|
|
707 /* If the current operation is not yet complete, there's nothing to
|
|
|
708 give back */
|
|
|
709 if (str->pending_p)
|
|
|
710 {
|
|
|
711 if (WaitForSingleObject (str->ov.hEvent, 0) == WAIT_TIMEOUT)
|
|
|
712 {
|
|
|
713 errno = EAGAIN;
|
|
|
714 return -1;
|
|
|
715 }
|
|
|
716 else
|
|
|
717 {
|
|
|
718 if (!GetOverlappedResult ((HANDLE)str->s, &str->ov, &str->bufsize, TRUE))
|
|
|
719 {
|
|
|
720 if (GetLastError() == ERROR_HANDLE_EOF)
|
|
|
721 str->bufsize = 0;
|
|
|
722 else
|
|
|
723 str->error_p = 1;
|
|
|
724 }
|
|
|
725 if (str->bufsize == 0)
|
|
|
726 str->eof_p = 1;
|
|
|
727 str->pending_p = 0;
|
|
|
728 }
|
|
|
729 }
|
|
|
730
|
|
|
731 if (str->eof_p)
|
|
|
732 return 0;
|
|
|
733 if (str->error_p)
|
|
|
734 return -1;
|
|
|
735
|
|
|
736 /* Return as much of buffer as we have */
|
|
462
|
737 size = min (size, (Lstream_data_count) (str->bufsize - str->bufpos));
|
|
428
|
738 memcpy (data, (void*)((BYTE*)str->buffer + str->bufpos), size);
|
|
|
739 str->bufpos += size;
|
|
|
740
|
|
|
741 /* Read more if buffer is exhausted */
|
|
|
742 if (str->bufsize == str->bufpos)
|
|
|
743 winsock_initiate_read (str);
|
|
|
744
|
|
|
745 return size;
|
|
|
746 }
|
|
|
747
|
|
462
|
748 static Lstream_data_count
|
|
|
749 winsock_writer (Lstream *stream, const unsigned char *data,
|
|
|
750 Lstream_data_count size)
|
|
428
|
751 {
|
|
|
752 struct winsock_stream *str = WINSOCK_STREAM_DATA (stream);
|
|
|
753
|
|
|
754 if (str->pending_p)
|
|
|
755 {
|
|
|
756 if (WaitForSingleObject (str->ov.hEvent, 0) == WAIT_TIMEOUT)
|
|
|
757 {
|
|
|
758 str->blocking_p = 1;
|
|
|
759 return -1;
|
|
|
760 }
|
|
|
761 else
|
|
|
762 {
|
|
|
763 DWORD dw_unused;
|
|
|
764 if (!GetOverlappedResult ((HANDLE)str->s, &str->ov, &dw_unused, TRUE))
|
|
|
765 str->error_p = 1;
|
|
|
766 str->pending_p = 0;
|
|
|
767 }
|
|
|
768 }
|
|
|
769
|
|
|
770 str->blocking_p = 0;
|
|
|
771
|
|
|
772 if (str->error_p)
|
|
|
773 return -1;
|
|
|
774
|
|
|
775 if (size == 0)
|
|
|
776 return 0;
|
|
|
777
|
|
|
778 {
|
|
|
779 ResetEvent (str->ov.hEvent);
|
|
|
780
|
|
|
781 /* Docs indicate that 4th parameter to WriteFile can be NULL since this is
|
|
|
782 * an overlapped operation. This fails on Win95 with winsock 1.x so we
|
|
|
783 * supply a spare address which is ignored by Win95 anyway. Sheesh. */
|
|
|
784 if (WriteFile ((HANDLE)str->s, data, size, (LPDWORD)&str->buffer, &str->ov)
|
|
|
785 || GetLastError() == ERROR_IO_PENDING)
|
|
|
786 str->pending_p = 1;
|
|
|
787 else
|
|
|
788 str->error_p = 1;
|
|
|
789 }
|
|
|
790
|
|
|
791 return str->error_p ? -1 : size;
|
|
|
792 }
|
|
|
793
|
|
|
794 static int
|
|
|
795 winsock_closer (Lstream *lstr)
|
|
|
796 {
|
|
|
797 struct winsock_stream *str = WINSOCK_STREAM_DATA (lstr);
|
|
|
798
|
|
|
799 if (lstr->flags & LSTREAM_FL_READ)
|
|
|
800 shutdown (str->s, 0);
|
|
|
801 else
|
|
|
802 shutdown (str->s, 1);
|
|
|
803
|
|
|
804 CloseHandle ((HANDLE)str->s);
|
|
|
805 if (str->pending_p)
|
|
|
806 WaitForSingleObject (str->ov.hEvent, INFINITE);
|
|
|
807
|
|
|
808 if (lstr->flags & LSTREAM_FL_READ)
|
|
|
809 xfree (str->buffer);
|
|
|
810
|
|
|
811 CloseHandle (str->ov.hEvent);
|
|
|
812 return 0;
|
|
|
813 }
|
|
|
814
|
|
|
815 static int
|
|
|
816 winsock_was_blocked_p (Lstream *stream)
|
|
|
817 {
|
|
|
818 struct winsock_stream *str = WINSOCK_STREAM_DATA (stream);
|
|
|
819 return str->blocking_p;
|
|
|
820 }
|
|
|
821
|
|
|
822 static Lisp_Object
|
|
442
|
823 make_winsock_stream_1 (SOCKET s, LPARAM param, const char *mode)
|
|
428
|
824 {
|
|
|
825 Lisp_Object obj;
|
|
|
826 Lstream *lstr = Lstream_new (lstream_winsock, mode);
|
|
|
827 struct winsock_stream *str = WINSOCK_STREAM_DATA (lstr);
|
|
|
828
|
|
|
829 str->s = s;
|
|
|
830 str->blocking_p = 0;
|
|
|
831 str->error_p = 0;
|
|
|
832 str->eof_p = 0;
|
|
|
833 str->pending_p = 0;
|
|
|
834 str->user_data = param;
|
|
|
835
|
|
|
836 xzero (str->ov);
|
|
|
837 str->ov.hEvent = CreateEvent (NULL, TRUE, FALSE, NULL);
|
|
|
838
|
|
|
839 if (lstr->flags & LSTREAM_FL_READ)
|
|
|
840 {
|
|
|
841 str->buffer = xmalloc (WINSOCK_READ_BUFFER_SIZE);
|
|
|
842 winsock_initiate_read (str);
|
|
|
843 }
|
|
|
844
|
|
|
845 lstr->flags |= LSTREAM_FL_CLOSE_AT_DISKSAVE;
|
|
|
846 XSETLSTREAM (obj, lstr);
|
|
|
847 return obj;
|
|
|
848 }
|
|
|
849
|
|
|
850 static Lisp_Object
|
|
|
851 make_winsock_input_stream (SOCKET s, LPARAM param)
|
|
|
852 {
|
|
|
853 return make_winsock_stream_1 (s, param, "r");
|
|
|
854 }
|
|
|
855
|
|
|
856 static Lisp_Object
|
|
|
857 make_winsock_output_stream (SOCKET s, LPARAM param)
|
|
|
858 {
|
|
|
859 return make_winsock_stream_1 (s, param, "w");
|
|
|
860 }
|
|
|
861
|
|
|
862 static HANDLE
|
|
|
863 get_winsock_stream_waitable (Lstream *lstr)
|
|
|
864 {
|
|
|
865 struct winsock_stream *str = WINSOCK_STREAM_DATA (lstr);
|
|
|
866 return str->ov.hEvent;
|
|
|
867 }
|
|
|
868
|
|
|
869 static LPARAM
|
|
|
870 get_winsock_stream_param (Lstream *lstr)
|
|
|
871 {
|
|
|
872 struct winsock_stream *str = WINSOCK_STREAM_DATA (lstr);
|
|
|
873 return str->user_data;
|
|
|
874 }
|
|
|
875
|
|
|
876 static void
|
|
|
877 init_winsock_stream (void)
|
|
|
878 {
|
|
|
879 LSTREAM_HAS_METHOD (winsock, reader);
|
|
|
880 LSTREAM_HAS_METHOD (winsock, writer);
|
|
|
881 LSTREAM_HAS_METHOD (winsock, closer);
|
|
|
882 LSTREAM_HAS_METHOD (winsock, was_blocked_p);
|
|
|
883 }
|
|
|
884 #endif /* defined (HAVE_SOCKETS) */
|
|
|
885
|
|
|
886 /************************************************************************/
|
|
|
887 /* Dispatch queue management */
|
|
|
888 /************************************************************************/
|
|
|
889
|
|
|
890 static int
|
|
440
|
891 mswindows_user_event_p (Lisp_Event* sevt)
|
|
428
|
892 {
|
|
|
893 return (sevt->event_type == key_press_event
|
|
|
894 || sevt->event_type == button_press_event
|
|
|
895 || sevt->event_type == button_release_event
|
|
|
896 || sevt->event_type == misc_user_event);
|
|
|
897 }
|
|
|
898
|
|
|
899 /*
|
|
|
900 * Add an emacs event to the proper dispatch queue
|
|
|
901 */
|
|
442
|
902 void
|
|
428
|
903 mswindows_enqueue_dispatch_event (Lisp_Object event)
|
|
|
904 {
|
|
|
905 int user_p = mswindows_user_event_p (XEVENT(event));
|
|
|
906 enqueue_event (event,
|
|
|
907 user_p ? &mswindows_u_dispatch_event_queue :
|
|
442
|
908 &mswindows_s_dispatch_event_queue,
|
|
428
|
909 user_p ? &mswindows_u_dispatch_event_queue_tail :
|
|
442
|
910 &mswindows_s_dispatch_event_queue_tail);
|
|
428
|
911
|
|
|
912 /* Avoid blocking on WaitMessage */
|
|
|
913 PostMessage (NULL, XM_BUMPQUEUE, 0, 0);
|
|
|
914 }
|
|
|
915
|
|
|
916 /*
|
|
|
917 * Add a misc-user event to the dispatch queue.
|
|
|
918 *
|
|
|
919 * Stuff it into our own dispatch queue, so we have something
|
|
|
920 * to return from next_event callback.
|
|
|
921 */
|
|
|
922 void
|
|
|
923 mswindows_enqueue_misc_user_event (Lisp_Object channel, Lisp_Object function,
|
|
|
924 Lisp_Object object)
|
|
|
925 {
|
|
|
926 Lisp_Object event = Fmake_event (Qnil, Qnil);
|
|
440
|
927 Lisp_Event* e = XEVENT (event);
|
|
428
|
928
|
|
|
929 e->event_type = misc_user_event;
|
|
|
930 e->channel = channel;
|
|
440
|
931 e->timestamp = GetTickCount ();
|
|
428
|
932 e->event.misc.function = function;
|
|
|
933 e->event.misc.object = object;
|
|
|
934
|
|
|
935 mswindows_enqueue_dispatch_event (event);
|
|
|
936 }
|
|
|
937
|
|
|
938 void
|
|
440
|
939 mswindows_enqueue_magic_event (HWND hwnd, UINT msg)
|
|
428
|
940 {
|
|
|
941 Lisp_Object emacs_event = Fmake_event (Qnil, Qnil);
|
|
440
|
942 Lisp_Event* event = XEVENT (emacs_event);
|
|
428
|
943
|
|
|
944 event->channel = hwnd ? mswindows_find_frame (hwnd) : Qnil;
|
|
|
945 event->timestamp = GetMessageTime();
|
|
|
946 event->event_type = magic_event;
|
|
440
|
947 EVENT_MSWINDOWS_MAGIC_TYPE (event) = msg;
|
|
428
|
948
|
|
|
949 mswindows_enqueue_dispatch_event (emacs_event);
|
|
|
950 }
|
|
|
951
|
|
|
952 static void
|
|
440
|
953 mswindows_enqueue_process_event (Lisp_Process* p)
|
|
428
|
954 {
|
|
|
955 Lisp_Object emacs_event = Fmake_event (Qnil, Qnil);
|
|
440
|
956 Lisp_Event* event = XEVENT (emacs_event);
|
|
428
|
957 Lisp_Object process;
|
|
|
958 XSETPROCESS (process, p);
|
|
|
959
|
|
|
960 event->event_type = process_event;
|
|
|
961 event->timestamp = GetTickCount ();
|
|
|
962 event->event.process.process = process;
|
|
|
963
|
|
|
964 mswindows_enqueue_dispatch_event (emacs_event);
|
|
|
965 }
|
|
|
966
|
|
|
967 static void
|
|
442
|
968 mswindows_enqueue_mouse_button_event (HWND hwnd, UINT msg, POINTS where,
|
|
|
969 int mods, DWORD when)
|
|
428
|
970 {
|
|
442
|
971 int downp = (msg == WM_LBUTTONDOWN || msg == WM_MBUTTONDOWN ||
|
|
|
972 msg == WM_RBUTTONDOWN);
|
|
428
|
973
|
|
|
974 /* We always use last message time, because mouse button
|
|
|
975 events may get delayed, and XEmacs double click
|
|
|
976 recognition will fail */
|
|
|
977
|
|
|
978 Lisp_Object emacs_event = Fmake_event (Qnil, Qnil);
|
|
442
|
979 Lisp_Event* event = XEVENT (emacs_event);
|
|
|
980
|
|
|
981 mswindows_handle_sticky_modifiers (0, 0, downp, 0);
|
|
|
982 event->channel = mswindows_find_frame (hwnd);
|
|
428
|
983 event->timestamp = when;
|
|
|
984 event->event.button.button =
|
|
440
|
985 (msg==WM_LBUTTONDOWN || msg==WM_LBUTTONUP) ? 1 :
|
|
|
986 ((msg==WM_RBUTTONDOWN || msg==WM_RBUTTONUP) ? 3 : 2);
|
|
428
|
987 event->event.button.x = where.x;
|
|
|
988 event->event.button.y = where.y;
|
|
442
|
989 event->event.button.modifiers = mswindows_modifier_state (NULL, mods, 0);
|
|
|
990
|
|
|
991 if (downp)
|
|
428
|
992 {
|
|
|
993 event->event_type = button_press_event;
|
|
|
994 SetCapture (hwnd);
|
|
|
995 /* we need this to make sure the main window regains the focus
|
|
|
996 from control subwindows */
|
|
|
997 if (GetFocus() != hwnd)
|
|
|
998 {
|
|
|
999 SetFocus (hwnd);
|
|
|
1000 mswindows_enqueue_magic_event (hwnd, WM_SETFOCUS);
|
|
|
1001 }
|
|
|
1002 }
|
|
|
1003 else
|
|
|
1004 {
|
|
|
1005 event->event_type = button_release_event;
|
|
|
1006 ReleaseCapture ();
|
|
|
1007 }
|
|
|
1008
|
|
|
1009 mswindows_enqueue_dispatch_event (emacs_event);
|
|
|
1010 }
|
|
|
1011
|
|
|
1012 static void
|
|
|
1013 mswindows_enqueue_keypress_event (HWND hwnd, Lisp_Object keysym, int mods)
|
|
|
1014 {
|
|
|
1015 Lisp_Object emacs_event = Fmake_event (Qnil, Qnil);
|
|
440
|
1016 Lisp_Event* event = XEVENT(emacs_event);
|
|
428
|
1017
|
|
|
1018 event->channel = mswindows_find_console(hwnd);
|
|
|
1019 event->timestamp = GetMessageTime();
|
|
|
1020 event->event_type = key_press_event;
|
|
|
1021 event->event.key.keysym = keysym;
|
|
|
1022 event->event.key.modifiers = mods;
|
|
|
1023 mswindows_enqueue_dispatch_event (emacs_event);
|
|
|
1024 }
|
|
|
1025
|
|
|
1026 /*
|
|
|
1027 * Remove and return the first emacs event on the dispatch queue.
|
|
|
1028 * Give a preference to user events over non-user ones.
|
|
|
1029 */
|
|
|
1030 static Lisp_Object
|
|
442
|
1031 mswindows_dequeue_dispatch_event (void)
|
|
428
|
1032 {
|
|
|
1033 Lisp_Object event;
|
|
440
|
1034 Lisp_Event* sevt;
|
|
428
|
1035
|
|
|
1036 assert (!NILP(mswindows_u_dispatch_event_queue) ||
|
|
|
1037 !NILP(mswindows_s_dispatch_event_queue));
|
|
|
1038
|
|
|
1039 event = dequeue_event (
|
|
442
|
1040 NILP(mswindows_u_dispatch_event_queue) ?
|
|
428
|
1041 &mswindows_s_dispatch_event_queue :
|
|
|
1042 &mswindows_u_dispatch_event_queue,
|
|
442
|
1043 NILP(mswindows_u_dispatch_event_queue) ?
|
|
428
|
1044 &mswindows_s_dispatch_event_queue_tail :
|
|
|
1045 &mswindows_u_dispatch_event_queue_tail);
|
|
|
1046
|
|
|
1047 sevt = XEVENT(event);
|
|
|
1048 if (sevt->event_type == key_press_event
|
|
|
1049 && (sevt->event.key.modifiers & FAKE_MOD_QUIT))
|
|
|
1050 {
|
|
502
|
1051 sevt->event.key.modifiers &=
|
|
|
1052 ~(FAKE_MOD_QUIT | FAKE_MOD_QUIT_CRITICAL);
|
|
428
|
1053 --mswindows_quit_chars_count;
|
|
|
1054 }
|
|
|
1055
|
|
|
1056 return event;
|
|
|
1057 }
|
|
|
1058
|
|
|
1059 /*
|
|
|
1060 * Remove and return the first emacs event on the dispatch queue that matches
|
|
|
1061 * the supplied event.
|
|
|
1062 * Timeout event matches if interval_id is equal to that of the given event.
|
|
|
1063 * Keypress event matches if logical AND between modifiers bitmask of the
|
|
|
1064 * event in the queue and that of the given event is non-zero.
|
|
|
1065 * For all other event types, this function aborts.
|
|
|
1066 */
|
|
|
1067
|
|
|
1068 Lisp_Object
|
|
440
|
1069 mswindows_cancel_dispatch_event (Lisp_Event *match)
|
|
428
|
1070 {
|
|
|
1071 Lisp_Object event;
|
|
|
1072 Lisp_Object previous_event = Qnil;
|
|
|
1073 int user_p = mswindows_user_event_p (match);
|
|
|
1074 Lisp_Object* head = user_p ? &mswindows_u_dispatch_event_queue :
|
|
442
|
1075 &mswindows_s_dispatch_event_queue;
|
|
428
|
1076 Lisp_Object* tail = user_p ? &mswindows_u_dispatch_event_queue_tail :
|
|
442
|
1077 &mswindows_s_dispatch_event_queue_tail;
|
|
428
|
1078
|
|
|
1079 assert (match->event_type == timeout_event
|
|
|
1080 || match->event_type == key_press_event);
|
|
|
1081
|
|
|
1082 EVENT_CHAIN_LOOP (event, *head)
|
|
|
1083 {
|
|
440
|
1084 Lisp_Event *e = XEVENT (event);
|
|
428
|
1085 if ((e->event_type == match->event_type) &&
|
|
|
1086 ((e->event_type == timeout_event) ?
|
|
|
1087 (e->event.timeout.interval_id == match->event.timeout.interval_id) :
|
|
|
1088 /* Must be key_press_event */
|
|
|
1089 ((e->event.key.modifiers & match->event.key.modifiers) != 0)))
|
|
|
1090 {
|
|
|
1091 if (NILP (previous_event))
|
|
|
1092 dequeue_event (head, tail);
|
|
|
1093 else
|
|
|
1094 {
|
|
|
1095 XSET_EVENT_NEXT (previous_event, XEVENT_NEXT (event));
|
|
|
1096 if (EQ (*tail, event))
|
|
|
1097 *tail = previous_event;
|
|
|
1098 }
|
|
|
1099
|
|
|
1100 return event;
|
|
|
1101 }
|
|
|
1102 previous_event = event;
|
|
|
1103 }
|
|
|
1104 return Qnil;
|
|
|
1105 }
|
|
|
1106
|
|
|
1107 #ifndef HAVE_MSG_SELECT
|
|
|
1108 /************************************************************************/
|
|
|
1109 /* Waitable handles manipulation */
|
|
|
1110 /************************************************************************/
|
|
|
1111 static int
|
|
|
1112 find_waitable_handle (HANDLE h)
|
|
|
1113 {
|
|
|
1114 int i;
|
|
|
1115 for (i = 0; i < mswindows_waitable_count; ++i)
|
|
|
1116 if (mswindows_waitable_handles[i] == h)
|
|
|
1117 return i;
|
|
|
1118
|
|
|
1119 return -1;
|
|
|
1120 }
|
|
|
1121
|
|
|
1122 static BOOL
|
|
|
1123 add_waitable_handle (HANDLE h)
|
|
|
1124 {
|
|
|
1125 assert (find_waitable_handle (h) < 0);
|
|
|
1126 if (mswindows_waitable_count == MAX_WAITABLE)
|
|
|
1127 return FALSE;
|
|
|
1128
|
|
|
1129 mswindows_waitable_handles [mswindows_waitable_count++] = h;
|
|
|
1130 return TRUE;
|
|
|
1131 }
|
|
|
1132
|
|
|
1133 static void
|
|
|
1134 remove_waitable_handle (HANDLE h)
|
|
|
1135 {
|
|
|
1136 int ix = find_waitable_handle (h);
|
|
|
1137 if (ix < 0)
|
|
|
1138 return;
|
|
|
1139
|
|
|
1140 mswindows_waitable_handles [ix] =
|
|
|
1141 mswindows_waitable_handles [--mswindows_waitable_count];
|
|
|
1142 }
|
|
|
1143 #endif /* HAVE_MSG_SELECT */
|
|
|
1144
|
|
|
1145
|
|
|
1146 /************************************************************************/
|
|
|
1147 /* Event pump */
|
|
|
1148 /************************************************************************/
|
|
|
1149
|
|
|
1150 static Lisp_Object
|
|
|
1151 mswindows_modal_loop_error_handler (Lisp_Object cons_sig_data,
|
|
|
1152 Lisp_Object u_n_u_s_e_d)
|
|
|
1153 {
|
|
|
1154 mswindows_error_caught_in_modal_loop = cons_sig_data;
|
|
|
1155 return Qunbound;
|
|
|
1156 }
|
|
|
1157
|
|
|
1158 Lisp_Object
|
|
|
1159 mswindows_protect_modal_loop (Lisp_Object (*bfun) (Lisp_Object barg),
|
|
|
1160 Lisp_Object barg)
|
|
|
1161 {
|
|
|
1162 Lisp_Object tmp;
|
|
|
1163
|
|
|
1164 ++mswindows_in_modal_loop;
|
|
|
1165 tmp = condition_case_1 (Qt,
|
|
|
1166 bfun, barg,
|
|
|
1167 mswindows_modal_loop_error_handler, Qnil);
|
|
|
1168 --mswindows_in_modal_loop;
|
|
|
1169
|
|
|
1170 return tmp;
|
|
|
1171 }
|
|
|
1172
|
|
|
1173 void
|
|
|
1174 mswindows_unmodalize_signal_maybe (void)
|
|
|
1175 {
|
|
|
1176 if (!NILP (mswindows_error_caught_in_modal_loop))
|
|
|
1177 {
|
|
|
1178 /* Got an error while messages were pumped while
|
|
|
1179 in window procedure - have to resignal */
|
|
|
1180 Lisp_Object sym = XCAR (mswindows_error_caught_in_modal_loop);
|
|
|
1181 Lisp_Object data = XCDR (mswindows_error_caught_in_modal_loop);
|
|
|
1182 mswindows_error_caught_in_modal_loop = Qnil;
|
|
|
1183 Fsignal (sym, data);
|
|
|
1184 }
|
|
|
1185 }
|
|
|
1186
|
|
|
1187 /*
|
|
|
1188 * This is an unsafe part of event pump, guarded by
|
|
|
1189 * condition_case. See mswindows_pump_outstanding_events
|
|
|
1190 */
|
|
|
1191 static Lisp_Object
|
|
|
1192 mswindows_unsafe_pump_events (Lisp_Object u_n_u_s_e_d)
|
|
|
1193 {
|
|
|
1194 /* This function can call lisp */
|
|
|
1195 Lisp_Object event = Fmake_event (Qnil, Qnil);
|
|
|
1196 struct gcpro gcpro1;
|
|
|
1197 int do_redisplay = 0;
|
|
|
1198 GCPRO1 (event);
|
|
|
1199
|
|
|
1200 while (detect_input_pending ())
|
|
|
1201 {
|
|
|
1202 Fnext_event (event, Qnil);
|
|
|
1203 Fdispatch_event (event);
|
|
|
1204 do_redisplay = 1;
|
|
|
1205 }
|
|
|
1206
|
|
|
1207 if (do_redisplay)
|
|
|
1208 redisplay ();
|
|
|
1209
|
|
|
1210 Fdeallocate_event (event);
|
|
|
1211 UNGCPRO;
|
|
|
1212
|
|
|
1213 /* Qt becomes return value of mswindows_pump_outstanding_events
|
|
|
1214 once we get here */
|
|
|
1215 return Qt;
|
|
|
1216 }
|
|
|
1217
|
|
|
1218 /*
|
|
|
1219 * This function pumps emacs events, while available, by using
|
|
|
1220 * next_message/dispatch_message loop. Errors are trapped around
|
|
|
1221 * the loop so the function always returns.
|
|
|
1222 *
|
|
|
1223 * Windows message queue is not looked into during the call,
|
|
|
1224 * neither are waitable handles checked. The function pumps
|
|
|
1225 * thus only dispatch events already queued, as well as those
|
|
|
1226 * resulted in dispatching thereof. This is done by setting
|
|
|
1227 * module local variable mswindows_in_modal_loop to nonzero.
|
|
|
1228 *
|
|
|
1229 * Return value is Qt if no errors was trapped, or Qunbound if
|
|
|
1230 * there was an error.
|
|
|
1231 *
|
|
|
1232 * In case of error, a cons representing the error, in the
|
|
|
1233 * form (SIGNAL . DATA), is stored in the module local variable
|
|
|
1234 * mswindows_error_caught_in_modal_loop. This error is signaled
|
|
|
1235 * again when DispatchMessage returns. Thus, Windows internal
|
|
|
1236 * modal loops are protected against throws, which are proven
|
|
|
1237 * to corrupt internal Windows structures.
|
|
|
1238 *
|
|
|
1239 * In case of success, mswindows_error_caught_in_modal_loop is
|
|
|
1240 * assigned Qnil.
|
|
|
1241 *
|
|
|
1242 * If the value of mswindows_error_caught_in_modal_loop is not
|
|
|
1243 * nil already upon entry, the function just returns non-nil.
|
|
|
1244 * This situation means that a new event has been queued while
|
|
|
1245 * in cancel mode. The event will be dequeued on the next regular
|
|
|
1246 * call of next-event; the pump is off since error is caught.
|
|
|
1247 * The caller must *unconditionally* cancel modal loop if the
|
|
|
1248 * value returned by this function is nil. Otherwise, everything
|
|
|
1249 * will become frozen until the modal loop exits under normal
|
|
|
1250 * condition (scrollbar drag is released, menu closed etc.)
|
|
|
1251 */
|
|
|
1252 Lisp_Object
|
|
|
1253 mswindows_pump_outstanding_events (void)
|
|
|
1254 {
|
|
|
1255 /* This function can call lisp */
|
|
|
1256
|
|
|
1257 Lisp_Object result = Qt;
|
|
|
1258 struct gcpro gcpro1;
|
|
|
1259 GCPRO1 (result);
|
|
|
1260
|
|
|
1261 if (NILP(mswindows_error_caught_in_modal_loop))
|
|
442
|
1262 result = mswindows_protect_modal_loop (mswindows_unsafe_pump_events, Qnil);
|
|
428
|
1263 UNGCPRO;
|
|
|
1264 return result;
|
|
|
1265 }
|
|
|
1266
|
|
440
|
1267 /*
|
|
|
1268 * KEYBOARD_ONLY_P is set to non-zero when we are called from
|
|
|
1269 * QUITP, and are interesting in keyboard messages only.
|
|
|
1270 */
|
|
428
|
1271 static void
|
|
442
|
1272 mswindows_drain_windows_queue (void)
|
|
428
|
1273 {
|
|
|
1274 MSG msg;
|
|
440
|
1275
|
|
442
|
1276 /* should call mswindows_need_event_in_modal_loop() if in modal loop */
|
|
|
1277 assert (!mswindows_in_modal_loop);
|
|
|
1278
|
|
|
1279 while (PeekMessage (&msg, NULL, 0, 0, PM_REMOVE))
|
|
428
|
1280 {
|
|
442
|
1281 char class_name_buf [sizeof (XEMACS_CLASS) + 2] = "";
|
|
|
1282
|
|
444
|
1283 /* Don't translate messages destined for a dialog box, this
|
|
|
1284 makes keyboard traversal work. I think?? */
|
|
442
|
1285 if (mswindows_is_dialog_msg (&msg))
|
|
|
1286 {
|
|
|
1287 mswindows_unmodalize_signal_maybe ();
|
|
|
1288 continue;
|
|
|
1289 }
|
|
|
1290
|
|
|
1291 /* We have to translate messages that are not sent to an XEmacs
|
|
|
1292 frame. This is so that key presses work ok in things like
|
|
|
1293 edit fields. However, we *musn't* translate message for XEmacs
|
|
|
1294 frames as this is handled in the wnd proc.
|
|
|
1295 We also have to avoid generating paint magic events for windows
|
|
|
1296 that aren't XEmacs frames */
|
|
|
1297 /* GetClassName will truncate a longer class name. By adding one
|
|
|
1298 extra character, we are forcing textual comparison to fail
|
|
|
1299 if the name is longer than XEMACS_CLASS */
|
|
|
1300
|
|
|
1301 GetClassName (msg.hwnd, class_name_buf, sizeof (class_name_buf) - 1);
|
|
|
1302 if (stricmp (class_name_buf, XEMACS_CLASS) != 0)
|
|
428
|
1303 {
|
|
442
|
1304 /* Not an XEmacs frame */
|
|
428
|
1305 TranslateMessage (&msg);
|
|
|
1306 }
|
|
442
|
1307 else if (msg.message == WM_PAINT)
|
|
|
1308 {
|
|
|
1309 struct mswindows_frame* msframe;
|
|
|
1310
|
|
|
1311 /* hdc will be NULL unless this is a subwindow - in which case we
|
|
|
1312 shouldn't have received a paint message for it here. */
|
|
|
1313 assert (msg.wParam == 0);
|
|
|
1314
|
|
|
1315 /* Queue a magic event for handling when safe */
|
|
|
1316 msframe =
|
|
|
1317 FRAME_MSWINDOWS_DATA (XFRAME (mswindows_find_frame (msg.hwnd)));
|
|
|
1318 if (!msframe->paint_pending)
|
|
|
1319 {
|
|
|
1320 msframe->paint_pending = 1;
|
|
|
1321 mswindows_enqueue_magic_event (msg.hwnd, WM_PAINT);
|
|
|
1322 }
|
|
|
1323 /* Don't dispatch. WM_PAINT is always the last message in the
|
|
|
1324 queue so it's OK to just return. */
|
|
|
1325 return;
|
|
|
1326 }
|
|
428
|
1327 DispatchMessage (&msg);
|
|
|
1328 mswindows_unmodalize_signal_maybe ();
|
|
|
1329 }
|
|
|
1330 }
|
|
|
1331
|
|
|
1332 /*
|
|
|
1333 * This is a special flavor of the mswindows_need_event function,
|
|
|
1334 * used while in event pump. Actually, there is only kind of events
|
|
|
1335 * allowed while in event pump: a timer. An attempt to fetch any
|
|
|
1336 * other event leads to a deadlock, as there's no source of user input
|
|
|
1337 * ('cause event pump mirrors windows modal loop, which is a sole
|
|
|
1338 * owner of thread message queue).
|
|
|
1339 *
|
|
|
1340 * To detect this, we use a counter of active timers, and allow
|
|
|
1341 * fetching WM_TIMER messages. Instead of trying to fetch a WM_TIMER
|
|
|
1342 * which will never come when there are no pending timers, which leads
|
|
|
1343 * to deadlock, we simply signal an error.
|
|
487
|
1344 *
|
|
|
1345 * It might be possible to combine this with mswindows_drain_windows_queue
|
|
|
1346 * which fetches events when not in a modal loop. It's not clear
|
|
|
1347 * whether the result would be more complex than is justified.
|
|
428
|
1348 */
|
|
|
1349 static void
|
|
|
1350 mswindows_need_event_in_modal_loop (int badly_p)
|
|
|
1351 {
|
|
|
1352 MSG msg;
|
|
|
1353
|
|
|
1354 /* Check if already have one */
|
|
|
1355 if (!NILP (mswindows_u_dispatch_event_queue)
|
|
|
1356 || !NILP (mswindows_s_dispatch_event_queue))
|
|
|
1357 return;
|
|
|
1358
|
|
|
1359 /* No event is ok */
|
|
|
1360 if (!badly_p)
|
|
|
1361 return;
|
|
|
1362
|
|
|
1363 /* We do not check the _u_ queue, because timers go to _s_ */
|
|
|
1364 while (NILP (mswindows_s_dispatch_event_queue))
|
|
|
1365 {
|
|
|
1366 /* We'll deadlock if go waiting */
|
|
|
1367 if (mswindows_pending_timers_count == 0)
|
|
|
1368 error ("Deadlock due to an attempt to call next-event in a wrong context");
|
|
|
1369
|
|
|
1370 /* Fetch and dispatch any pending timers */
|
|
487
|
1371 if (GetMessage (&msg, NULL, WM_TIMER, WM_TIMER) > 0)
|
|
534
|
1372 DispatchMessage (&msg);
|
|
428
|
1373 }
|
|
|
1374 }
|
|
|
1375
|
|
|
1376 /*
|
|
|
1377 * This drains the event queue and fills up two internal queues until
|
|
|
1378 * an event of a type specified by USER_P is retrieved.
|
|
|
1379 *
|
|
|
1380 *
|
|
|
1381 * Used by emacs_mswindows_event_pending_p and emacs_mswindows_next_event
|
|
|
1382 */
|
|
|
1383 static void
|
|
|
1384 mswindows_need_event (int badly_p)
|
|
|
1385 {
|
|
|
1386 int active;
|
|
|
1387
|
|
|
1388 while (NILP (mswindows_u_dispatch_event_queue)
|
|
|
1389 && NILP (mswindows_s_dispatch_event_queue))
|
|
|
1390 {
|
|
|
1391 #ifdef HAVE_MSG_SELECT
|
|
|
1392 int i;
|
|
|
1393 SELECT_TYPE temp_mask = input_wait_mask;
|
|
|
1394 EMACS_TIME sometime;
|
|
|
1395 EMACS_SELECT_TIME select_time_to_block, *pointer_to_this;
|
|
|
1396
|
|
|
1397 if (badly_p)
|
|
|
1398 pointer_to_this = 0;
|
|
|
1399 else
|
|
|
1400 {
|
|
|
1401 EMACS_SET_SECS_USECS (sometime, 0, 0);
|
|
|
1402 EMACS_TIME_TO_SELECT_TIME (sometime, select_time_to_block);
|
|
|
1403 pointer_to_this = &select_time_to_block;
|
|
534
|
1404 if (mswindows_in_modal_loop)
|
|
|
1405 /* In modal loop with badly_p false, don't care about
|
|
|
1406 Windows events. */
|
|
|
1407 FD_CLR (windows_fd, &temp_mask);
|
|
428
|
1408 }
|
|
|
1409
|
|
|
1410 active = select (MAXDESC, &temp_mask, 0, 0, pointer_to_this);
|
|
|
1411
|
|
|
1412 if (active == 0)
|
|
|
1413 {
|
|
|
1414 assert (!badly_p);
|
|
|
1415 return; /* timeout */
|
|
|
1416 }
|
|
|
1417 else if (active > 0)
|
|
|
1418 {
|
|
|
1419 if (FD_ISSET (windows_fd, &temp_mask))
|
|
|
1420 {
|
|
534
|
1421 if (mswindows_in_modal_loop)
|
|
|
1422 mswindows_need_event_in_modal_loop (badly_p);
|
|
|
1423 else
|
|
|
1424 mswindows_drain_windows_queue ();
|
|
428
|
1425 }
|
|
442
|
1426 else
|
|
428
|
1427 {
|
|
442
|
1428 #ifdef HAVE_TTY
|
|
|
1429 /* Look for a TTY event */
|
|
|
1430 for (i = 0; i < MAXDESC-1; i++)
|
|
428
|
1431 {
|
|
442
|
1432 /* To avoid race conditions (among other things, an infinite
|
|
|
1433 loop when called from Fdiscard_input()), we must return
|
|
|
1434 user events ahead of process events. */
|
|
|
1435 if (FD_ISSET (i, &temp_mask) && FD_ISSET (i, &tty_only_mask))
|
|
428
|
1436 {
|
|
442
|
1437 struct console *c = tty_find_console_from_fd (i);
|
|
|
1438 Lisp_Object emacs_event = Fmake_event (Qnil, Qnil);
|
|
|
1439 Lisp_Event* event = XEVENT (emacs_event);
|
|
|
1440
|
|
|
1441 assert (c);
|
|
|
1442 if (read_event_from_tty_or_stream_desc (event, c, i))
|
|
|
1443 {
|
|
|
1444 mswindows_enqueue_dispatch_event (emacs_event);
|
|
|
1445 return;
|
|
|
1446 }
|
|
428
|
1447 }
|
|
|
1448 }
|
|
|
1449 #endif
|
|
442
|
1450 /* Look for a process event */
|
|
|
1451 for (i = 0; i < MAXDESC-1; i++)
|
|
428
|
1452 {
|
|
442
|
1453 if (FD_ISSET (i, &temp_mask))
|
|
428
|
1454 {
|
|
442
|
1455 if (FD_ISSET (i, &process_only_mask))
|
|
|
1456 {
|
|
|
1457 Lisp_Process *p =
|
|
|
1458 get_process_from_usid (FD_TO_USID(i));
|
|
|
1459
|
|
|
1460 mswindows_enqueue_process_event (p);
|
|
|
1461 }
|
|
|
1462 else
|
|
|
1463 {
|
|
|
1464 /* We might get here when a fake event came
|
|
|
1465 through a signal. Return a dummy event, so
|
|
|
1466 that a cycle of the command loop will
|
|
|
1467 occur. */
|
|
|
1468 drain_signal_event_pipe ();
|
|
|
1469 mswindows_enqueue_magic_event (NULL, XM_BUMPQUEUE);
|
|
|
1470 }
|
|
428
|
1471 }
|
|
|
1472 }
|
|
|
1473 }
|
|
|
1474 }
|
|
|
1475 else if (active==-1)
|
|
|
1476 {
|
|
|
1477 if (errno != EINTR)
|
|
|
1478 {
|
|
|
1479 /* something bad happened */
|
|
|
1480 assert(0);
|
|
|
1481 }
|
|
|
1482 }
|
|
|
1483 else
|
|
|
1484 {
|
|
|
1485 assert(0);
|
|
|
1486 }
|
|
|
1487 #else
|
|
|
1488 /* Now try getting a message or process event */
|
|
487
|
1489 DWORD what_events;
|
|
|
1490 if (mswindows_in_modal_loop)
|
|
534
|
1491 /* In a modal loop, only look for timer events, and only if
|
|
|
1492 we really need one. */
|
|
|
1493 {
|
|
|
1494 if (badly_p)
|
|
|
1495 what_events = QS_TIMER;
|
|
|
1496 else
|
|
|
1497 what_events = 0;
|
|
|
1498 }
|
|
487
|
1499 else
|
|
534
|
1500 /* Look for any event */
|
|
|
1501 what_events = QS_ALLINPUT;
|
|
487
|
1502
|
|
442
|
1503 active = MsgWaitForMultipleObjects (mswindows_waitable_count,
|
|
|
1504 mswindows_waitable_handles,
|
|
|
1505 FALSE, badly_p ? INFINITE : 0,
|
|
534
|
1506 what_events);
|
|
442
|
1507
|
|
|
1508 /* This will assert if handle being waited for becomes abandoned.
|
|
|
1509 Not the case currently tho */
|
|
|
1510 assert ((!badly_p && active == WAIT_TIMEOUT) ||
|
|
|
1511 (active >= WAIT_OBJECT_0 &&
|
|
|
1512 active <= WAIT_OBJECT_0 + mswindows_waitable_count));
|
|
|
1513
|
|
|
1514 if (active == WAIT_TIMEOUT)
|
|
|
1515 {
|
|
|
1516 /* No luck trying - just return what we've already got */
|
|
|
1517 return;
|
|
|
1518 }
|
|
|
1519 else if (active == WAIT_OBJECT_0 + mswindows_waitable_count)
|
|
|
1520 {
|
|
|
1521 /* Got your message, thanks */
|
|
534
|
1522 if (mswindows_in_modal_loop)
|
|
|
1523 mswindows_need_event_in_modal_loop (badly_p);
|
|
|
1524 else
|
|
|
1525 mswindows_drain_windows_queue ();
|
|
442
|
1526 }
|
|
|
1527 else
|
|
|
1528 {
|
|
|
1529 int ix = active - WAIT_OBJECT_0;
|
|
|
1530 /* First, try to find which process' output has signaled */
|
|
|
1531 Lisp_Process *p =
|
|
|
1532 get_process_from_usid (HANDLE_TO_USID (mswindows_waitable_handles[ix]));
|
|
|
1533 if (p != NULL)
|
|
|
1534 {
|
|
|
1535 /* Found a signaled process input handle */
|
|
|
1536 mswindows_enqueue_process_event (p);
|
|
|
1537 }
|
|
|
1538 else
|
|
|
1539 {
|
|
|
1540 /* None. This means that the process handle itself has signaled.
|
|
|
1541 Remove the handle from the wait vector, and make status_notify
|
|
534
|
1542 note the exited process. First find the process object if
|
|
|
1543 possible. */
|
|
|
1544 LIST_LOOP_3 (vaffanculo, Vprocess_list, vproctail)
|
|
|
1545 if (get_nt_process_handle (XPROCESS (vaffanculo)) ==
|
|
|
1546 mswindows_waitable_handles [ix])
|
|
|
1547 break;
|
|
442
|
1548 mswindows_waitable_handles [ix] =
|
|
|
1549 mswindows_waitable_handles [--mswindows_waitable_count];
|
|
|
1550 kick_status_notify ();
|
|
|
1551 /* We need to return a process event here so that
|
|
|
1552 (1) accept-process-output will return when called on this
|
|
|
1553 process, and (2) status notifications will happen in
|
|
|
1554 accept-process-output, sleep-for, and sit-for. */
|
|
|
1555 /* #### horrible kludge till my real process fixes go in.
|
|
534
|
1556 #### Replaced with a slightly less horrible kluge that
|
|
|
1557 at least finds the right process instead of axing the
|
|
|
1558 first one on the list.
|
|
442
|
1559 */
|
|
534
|
1560 if (!NILP (vproctail))
|
|
442
|
1561 {
|
|
|
1562 mswindows_enqueue_process_event (XPROCESS (vaffanculo));
|
|
|
1563 }
|
|
|
1564 else /* trash me soon. */
|
|
|
1565 /* Have to return something: there may be no accompanying
|
|
|
1566 process event */
|
|
|
1567 mswindows_enqueue_magic_event (NULL, XM_BUMPQUEUE);
|
|
|
1568 }
|
|
|
1569 }
|
|
428
|
1570 #endif
|
|
442
|
1571 } /* while */
|
|
428
|
1572 }
|
|
|
1573
|
|
|
1574 /************************************************************************/
|
|
|
1575 /* Event generators */
|
|
|
1576 /************************************************************************/
|
|
|
1577
|
|
|
1578 /*
|
|
|
1579 * Callback procedure for synchronous timer messages
|
|
|
1580 */
|
|
|
1581 static void CALLBACK
|
|
|
1582 mswindows_wm_timer_callback (HWND hwnd, UINT umsg, UINT id_timer, DWORD dwtime)
|
|
|
1583 {
|
|
|
1584 Lisp_Object emacs_event = Fmake_event (Qnil, Qnil);
|
|
440
|
1585 Lisp_Event *event = XEVENT (emacs_event);
|
|
428
|
1586
|
|
|
1587 if (KillTimer (NULL, id_timer))
|
|
|
1588 --mswindows_pending_timers_count;
|
|
|
1589
|
|
|
1590 event->channel = Qnil;
|
|
|
1591 event->timestamp = dwtime;
|
|
|
1592 event->event_type = timeout_event;
|
|
|
1593 event->event.timeout.interval_id = id_timer;
|
|
|
1594 event->event.timeout.function = Qnil;
|
|
|
1595 event->event.timeout.object = Qnil;
|
|
|
1596
|
|
|
1597 mswindows_enqueue_dispatch_event (emacs_event);
|
|
|
1598 }
|
|
|
1599
|
|
|
1600 /*
|
|
|
1601 * Callback procedure for dde messages
|
|
|
1602 *
|
|
|
1603 * We execute a dde Open("file") by simulating a file drop, so dde support
|
|
|
1604 * depends on dnd support.
|
|
|
1605 */
|
|
|
1606 #ifdef HAVE_DRAGNDROP
|
|
|
1607 HDDEDATA CALLBACK
|
|
|
1608 mswindows_dde_callback (UINT uType, UINT uFmt, HCONV hconv,
|
|
|
1609 HSZ hszTopic, HSZ hszItem, HDDEDATA hdata,
|
|
|
1610 DWORD dwData1, DWORD dwData2)
|
|
|
1611 {
|
|
|
1612 switch (uType)
|
|
|
1613 {
|
|
|
1614 case XTYP_CONNECT:
|
|
|
1615 if (!DdeCmpStringHandles (hszTopic, mswindows_dde_topic_system))
|
|
|
1616 return (HDDEDATA)TRUE;
|
|
|
1617 return (HDDEDATA)FALSE;
|
|
|
1618
|
|
|
1619 case XTYP_WILDCONNECT:
|
|
|
1620 {
|
|
|
1621 /* We only support one {service,topic} pair */
|
|
|
1622 HSZPAIR pairs[2] = {
|
|
|
1623 { mswindows_dde_service, mswindows_dde_topic_system }, { 0, 0 } };
|
|
|
1624
|
|
|
1625 if (!(hszItem || DdeCmpStringHandles (hszItem, mswindows_dde_service)) &&
|
|
442
|
1626 !(hszTopic || DdeCmpStringHandles (hszTopic, mswindows_dde_topic_system)))
|
|
428
|
1627 return (DdeCreateDataHandle (mswindows_dde_mlid, (LPBYTE)pairs,
|
|
|
1628 sizeof (pairs), 0L, 0, uFmt, 0));
|
|
|
1629 }
|
|
|
1630 return (HDDEDATA)NULL;
|
|
|
1631
|
|
|
1632 case XTYP_EXECUTE:
|
|
|
1633 if (!DdeCmpStringHandles (hszTopic, mswindows_dde_topic_system))
|
|
|
1634 {
|
|
|
1635 DWORD len = DdeGetData (hdata, NULL, 0, 0);
|
|
442
|
1636 LPBYTE cmd = (LPBYTE) alloca (len+1);
|
|
428
|
1637 char *end;
|
|
|
1638 char *filename;
|
|
|
1639 struct gcpro gcpro1, gcpro2;
|
|
|
1640 Lisp_Object l_dndlist = Qnil;
|
|
|
1641 Lisp_Object emacs_event = Fmake_event (Qnil, Qnil);
|
|
|
1642 Lisp_Object frmcons, devcons, concons;
|
|
440
|
1643 Lisp_Event *event = XEVENT (emacs_event);
|
|
428
|
1644
|
|
|
1645 DdeGetData (hdata, cmd, len, 0);
|
|
|
1646 cmd[len] = '\0';
|
|
|
1647 DdeFreeDataHandle (hdata);
|
|
|
1648
|
|
|
1649 /* Check syntax & that it's an [Open("foo")] command, which we
|
|
|
1650 * treat like a file drop */
|
|
|
1651 /* #### Ought to be generalised and accept some other commands */
|
|
|
1652 if (*cmd == '[')
|
|
|
1653 cmd++;
|
|
|
1654 if (strnicmp (cmd, MSWINDOWS_DDE_ITEM_OPEN,
|
|
|
1655 strlen (MSWINDOWS_DDE_ITEM_OPEN)))
|
|
|
1656 return DDE_FNOTPROCESSED;
|
|
|
1657 cmd += strlen (MSWINDOWS_DDE_ITEM_OPEN);
|
|
|
1658 while (*cmd==' ')
|
|
|
1659 cmd++;
|
|
|
1660 if (*cmd!='(' || *(cmd+1)!='\"')
|
|
|
1661 return DDE_FNOTPROCESSED;
|
|
|
1662 end = (cmd+=2);
|
|
|
1663 while (*end && *end!='\"')
|
|
|
1664 end++;
|
|
|
1665 if (!*end)
|
|
|
1666 return DDE_FNOTPROCESSED;
|
|
|
1667 *end = '\0';
|
|
|
1668 if (*(++end)!=')')
|
|
|
1669 return DDE_FNOTPROCESSED;
|
|
|
1670 if (*(++end)==']')
|
|
|
1671 end++;
|
|
|
1672 if (*end)
|
|
|
1673 return DDE_FNOTPROCESSED;
|
|
|
1674
|
|
442
|
1675 #ifdef CYGWIN
|
|
531
|
1676 filename = alloca (cygwin_win32_to_posix_path_list_buf_size (cmd) + 5);
|
|
428
|
1677 strcpy (filename, "file:");
|
|
531
|
1678 cygwin_win32_to_posix_path_list (cmd, filename+5);
|
|
428
|
1679 #else
|
|
|
1680 dostounix_filename (cmd);
|
|
|
1681 filename = alloca (strlen (cmd)+6);
|
|
|
1682 strcpy (filename, "file:");
|
|
|
1683 strcat (filename, cmd);
|
|
|
1684 #endif
|
|
|
1685 GCPRO2 (emacs_event, l_dndlist);
|
|
|
1686 l_dndlist = make_string (filename, strlen (filename));
|
|
|
1687
|
|
|
1688 /* Find a mswindows frame */
|
|
|
1689 event->channel = Qnil;
|
|
|
1690 FRAME_LOOP_NO_BREAK (frmcons, devcons, concons)
|
|
|
1691 {
|
|
|
1692 Lisp_Object frame = XCAR (frmcons);
|
|
|
1693 if (FRAME_TYPE_P (XFRAME (frame), mswindows))
|
|
|
1694 event->channel = frame;
|
|
|
1695 };
|
|
|
1696 assert (!NILP (event->channel));
|
|
|
1697
|
|
|
1698 event->timestamp = GetTickCount();
|
|
|
1699 event->event_type = misc_user_event;
|
|
|
1700 event->event.misc.button = 1;
|
|
|
1701 event->event.misc.modifiers = 0;
|
|
|
1702 event->event.misc.x = -1;
|
|
|
1703 event->event.misc.y = -1;
|
|
|
1704 event->event.misc.function = Qdragdrop_drop_dispatch;
|
|
|
1705 event->event.misc.object = Fcons (Qdragdrop_URL,
|
|
|
1706 Fcons (l_dndlist, Qnil));
|
|
|
1707 mswindows_enqueue_dispatch_event (emacs_event);
|
|
|
1708 UNGCPRO;
|
|
|
1709 return (HDDEDATA) DDE_FACK;
|
|
|
1710 }
|
|
|
1711 DdeFreeDataHandle (hdata);
|
|
|
1712 return (HDDEDATA) DDE_FNOTPROCESSED;
|
|
|
1713
|
|
|
1714 default:
|
|
|
1715 return (HDDEDATA) NULL;
|
|
|
1716 }
|
|
|
1717 }
|
|
|
1718 #endif
|
|
|
1719
|
|
|
1720 /*
|
|
442
|
1721 * Helper to do repainting - repaints can happen both from the windows
|
|
|
1722 * procedure and from magic events
|
|
|
1723 */
|
|
|
1724 static void
|
|
|
1725 mswindows_handle_paint (struct frame *frame)
|
|
|
1726 {
|
|
|
1727 HWND hwnd = FRAME_MSWINDOWS_HANDLE (frame);
|
|
|
1728
|
|
|
1729 /* According to the docs we need to check GetUpdateRect() before
|
|
|
1730 actually doing a WM_PAINT */
|
|
|
1731 if (GetUpdateRect (hwnd, NULL, FALSE))
|
|
|
1732 {
|
|
|
1733 PAINTSTRUCT paintStruct;
|
|
|
1734 int x, y, width, height;
|
|
|
1735
|
|
|
1736 BeginPaint (hwnd, &paintStruct);
|
|
|
1737 x = paintStruct.rcPaint.left;
|
|
|
1738 y = paintStruct.rcPaint.top;
|
|
|
1739 width = paintStruct.rcPaint.right - paintStruct.rcPaint.left;
|
|
|
1740 height = paintStruct.rcPaint.bottom - paintStruct.rcPaint.top;
|
|
|
1741 /* Normally we want to ignore expose events when child
|
|
|
1742 windows are unmapped, however once we are in the guts of
|
|
|
1743 WM_PAINT we need to make sure that we don't register
|
|
|
1744 unmaps then because they will not actually occur. */
|
|
|
1745 /* #### commenting out the next line seems to fix some problems
|
|
|
1746 but not all. only andy currently understands this stuff and
|
|
|
1747 he needs to review it more carefully. --ben */
|
|
|
1748 if (!check_for_ignored_expose (frame, x, y, width, height))
|
|
|
1749 {
|
|
|
1750 hold_ignored_expose_registration = 1;
|
|
|
1751 mswindows_redraw_exposed_area (frame, x, y, width, height);
|
|
|
1752 hold_ignored_expose_registration = 0;
|
|
|
1753 }
|
|
|
1754 EndPaint (hwnd, &paintStruct);
|
|
|
1755 }
|
|
|
1756 }
|
|
|
1757
|
|
|
1758 /*
|
|
|
1759 * Returns 1 if a key is a real modifier or special key, which
|
|
440
|
1760 * is better handled by DefWindowProc
|
|
|
1761 */
|
|
|
1762 static int
|
|
|
1763 key_needs_default_processing_p (UINT vkey)
|
|
|
1764 {
|
|
442
|
1765 if (mswindows_alt_by_itself_activates_menu && vkey == VK_MENU
|
|
|
1766 /* if we let ALT activate the menu like this, then sticky ALT-modified
|
|
|
1767 keystrokes become impossible. */
|
|
|
1768 && !modifier_keys_are_sticky)
|
|
440
|
1769 return 1;
|
|
|
1770
|
|
|
1771 return 0;
|
|
|
1772 }
|
|
|
1773
|
|
442
|
1774 /* key-handling code is always ugly. It just ends up working out
|
|
|
1775 that way.
|
|
|
1776
|
|
|
1777 #### Most of the sticky-modifier code below is copied from similar
|
|
|
1778 code in event-Xt.c. They should somehow or other be merged.
|
|
|
1779
|
|
|
1780 Here are some pointers:
|
|
|
1781
|
|
|
1782 -- DOWN_MASK indicates which modifiers should be treated as "down"
|
|
|
1783 when the corresponding upstroke happens. It gets reset for
|
|
|
1784 a particular modifier when that modifier goes up, and reset
|
|
|
1785 for all modifiers when a non-modifier key is pressed. Example:
|
|
|
1786
|
|
|
1787 I press Control-A-Shift and then release Control-A-Shift.
|
|
|
1788 I want the Shift key to be sticky but not the Control key.
|
|
|
1789
|
|
|
1790 -- If a modifier key is sticky, I can unstick it by pressing
|
|
|
1791 the modifier key again. */
|
|
|
1792
|
|
|
1793 static WPARAM last_downkey;
|
|
|
1794 static int need_to_add_mask, down_mask;
|
|
|
1795
|
|
|
1796 #define XEMSW_LCONTROL (1<<0)
|
|
|
1797 #define XEMSW_RCONTROL (1<<1)
|
|
|
1798 #define XEMSW_LSHIFT (1<<2)
|
|
|
1799 #define XEMSW_RSHIFT (1<<3)
|
|
|
1800 #define XEMSW_LMENU (1<<4)
|
|
|
1801 #define XEMSW_RMENU (1<<5)
|
|
|
1802
|
|
|
1803 static int
|
|
|
1804 mswindows_handle_sticky_modifiers (WPARAM wParam, LPARAM lParam,
|
|
|
1805 int downp, int keyp)
|
|
|
1806 {
|
|
|
1807 int mods = 0;
|
|
|
1808
|
|
|
1809 if (!modifier_keys_are_sticky) /* Optimize for non-sticky modifiers */
|
|
|
1810 return 0;
|
|
|
1811
|
|
|
1812 if (! (keyp &&
|
|
|
1813 (wParam == VK_CONTROL || wParam == VK_LCONTROL ||
|
|
|
1814 wParam == VK_RCONTROL ||
|
|
|
1815 wParam == VK_MENU || wParam == VK_LMENU ||
|
|
|
1816 wParam == VK_RMENU ||
|
|
|
1817 wParam == VK_SHIFT || wParam == VK_LSHIFT ||
|
|
|
1818 wParam == VK_RSHIFT)))
|
|
|
1819 { /* Not a modifier key */
|
|
|
1820 if (downp && keyp && !last_downkey)
|
|
|
1821 last_downkey = wParam;
|
|
|
1822 /* If I hold press-and-release the Control key and then press
|
|
|
1823 and hold down the right arrow, I want it to auto-repeat
|
|
|
1824 Control-Right. On the other hand, if I do the same but
|
|
|
1825 manually press the Right arrow a bunch of times, I want
|
|
|
1826 to see one Control-Right and then a bunch of Rights.
|
|
|
1827 This means that we need to distinguish between an
|
|
|
1828 auto-repeated key and a key pressed and released a bunch
|
|
|
1829 of times. */
|
|
|
1830 else if ((downp && !keyp) ||
|
|
|
1831 (downp && keyp && last_downkey &&
|
|
|
1832 (wParam != last_downkey ||
|
|
|
1833 /* the "previous key state" bit indicates autorepeat */
|
|
|
1834 ! (lParam & (1 << 30)))))
|
|
|
1835 {
|
|
|
1836 need_to_add_mask = 0;
|
|
|
1837 last_downkey = 0;
|
|
|
1838 }
|
|
|
1839 if (downp)
|
|
|
1840 down_mask = 0;
|
|
|
1841
|
|
|
1842 mods = need_to_add_mask;
|
|
|
1843 }
|
|
|
1844 else /* Modifier key pressed */
|
|
|
1845 {
|
|
|
1846 /* If a non-modifier key was pressed in the middle of a bunch
|
|
|
1847 of modifiers, then it unsticks all the modifiers that were
|
|
|
1848 previously pressed. We cannot unstick the modifiers until
|
|
|
1849 now because we want to check for auto-repeat of the
|
|
|
1850 non-modifier key. */
|
|
|
1851
|
|
|
1852 if (last_downkey)
|
|
|
1853 {
|
|
|
1854 last_downkey = 0;
|
|
|
1855 need_to_add_mask = 0;
|
|
|
1856 }
|
|
|
1857
|
|
|
1858 #define FROB(mask) \
|
|
|
1859 do { \
|
|
|
1860 if (downp && keyp) \
|
|
|
1861 { \
|
|
|
1862 /* If modifier key is already sticky, \
|
|
|
1863 then unstick it. Note that we do \
|
|
|
1864 not test down_mask to deal with the \
|
|
|
1865 unlikely but possible case that the \
|
|
|
1866 modifier key auto-repeats. */ \
|
|
|
1867 if (need_to_add_mask & mask) \
|
|
|
1868 { \
|
|
|
1869 need_to_add_mask &= ~mask; \
|
|
|
1870 down_mask &= ~mask; \
|
|
|
1871 } \
|
|
|
1872 else \
|
|
|
1873 down_mask |= mask; \
|
|
|
1874 } \
|
|
|
1875 else \
|
|
|
1876 { \
|
|
|
1877 if (down_mask & mask) \
|
|
|
1878 { \
|
|
|
1879 down_mask &= ~mask; \
|
|
|
1880 need_to_add_mask |= mask; \
|
|
|
1881 } \
|
|
|
1882 } \
|
|
|
1883 } while (0)
|
|
|
1884
|
|
|
1885 if ((wParam == VK_CONTROL && (lParam & 0x1000000))
|
|
|
1886 || wParam == VK_RCONTROL)
|
|
|
1887 FROB (XEMSW_RCONTROL);
|
|
|
1888 if ((wParam == VK_CONTROL && !(lParam & 0x1000000))
|
|
|
1889 || wParam == VK_LCONTROL)
|
|
|
1890 FROB (XEMSW_LCONTROL);
|
|
|
1891
|
|
|
1892 if ((wParam == VK_SHIFT && (lParam & 0x1000000))
|
|
|
1893 || wParam == VK_RSHIFT)
|
|
|
1894 FROB (XEMSW_RSHIFT);
|
|
|
1895 if ((wParam == VK_SHIFT && !(lParam & 0x1000000))
|
|
|
1896 || wParam == VK_LSHIFT)
|
|
|
1897 FROB (XEMSW_LSHIFT);
|
|
|
1898
|
|
|
1899 if ((wParam == VK_MENU && (lParam & 0x1000000))
|
|
|
1900 || wParam == VK_RMENU)
|
|
|
1901 FROB (XEMSW_RMENU);
|
|
|
1902 if ((wParam == VK_MENU && !(lParam & 0x1000000))
|
|
|
1903 || wParam == VK_LMENU)
|
|
|
1904 FROB (XEMSW_LMENU);
|
|
|
1905 }
|
|
|
1906 #undef FROB
|
|
|
1907
|
|
|
1908 if (mods && downp)
|
|
|
1909 {
|
|
|
1910 BYTE keymap[256];
|
|
|
1911
|
|
|
1912 GetKeyboardState (keymap);
|
|
|
1913
|
|
|
1914 if (mods & XEMSW_LCONTROL)
|
|
|
1915 {
|
|
|
1916 keymap [VK_CONTROL] |= 0x80;
|
|
|
1917 keymap [VK_LCONTROL] |= 0x80;
|
|
|
1918 }
|
|
|
1919 if (mods & XEMSW_RCONTROL)
|
|
|
1920 {
|
|
|
1921 keymap [VK_CONTROL] |= 0x80;
|
|
|
1922 keymap [VK_RCONTROL] |= 0x80;
|
|
|
1923 }
|
|
|
1924
|
|
|
1925 if (mods & XEMSW_LSHIFT)
|
|
|
1926 {
|
|
|
1927 keymap [VK_SHIFT] |= 0x80;
|
|
|
1928 keymap [VK_LSHIFT] |= 0x80;
|
|
|
1929 }
|
|
|
1930 if (mods & XEMSW_RSHIFT)
|
|
|
1931 {
|
|
|
1932 keymap [VK_SHIFT] |= 0x80;
|
|
|
1933 keymap [VK_RSHIFT] |= 0x80;
|
|
|
1934 }
|
|
|
1935
|
|
|
1936 if (mods & XEMSW_LMENU)
|
|
|
1937 {
|
|
|
1938 keymap [VK_MENU] |= 0x80;
|
|
|
1939 keymap [VK_LMENU] |= 0x80;
|
|
|
1940 }
|
|
|
1941 if (mods & XEMSW_RMENU)
|
|
|
1942 {
|
|
|
1943 keymap [VK_MENU] |= 0x80;
|
|
|
1944 keymap [VK_RMENU] |= 0x80;
|
|
|
1945 }
|
|
|
1946
|
|
|
1947 SetKeyboardState (keymap);
|
|
|
1948 return 1;
|
|
|
1949 }
|
|
|
1950
|
|
|
1951 return 0;
|
|
|
1952 }
|
|
|
1953
|
|
|
1954 static void
|
|
|
1955 clear_sticky_modifiers (void)
|
|
|
1956 {
|
|
|
1957 need_to_add_mask = 0;
|
|
|
1958 last_downkey = 0;
|
|
|
1959 down_mask = 0;
|
|
|
1960 }
|
|
|
1961
|
|
|
1962 #ifdef DEBUG_XEMACS
|
|
|
1963
|
|
|
1964 #if 0
|
|
|
1965
|
|
|
1966 static void
|
|
|
1967 output_modifier_keyboard_state (void)
|
|
|
1968 {
|
|
|
1969 BYTE keymap[256];
|
|
|
1970
|
|
|
1971 GetKeyboardState (keymap);
|
|
|
1972
|
|
|
1973 stderr_out ("GetKeyboardState VK_MENU %d %d VK_LMENU %d %d VK_RMENU %d %d\n",
|
|
|
1974 keymap[VK_MENU] & 0x80 ? 1 : 0,
|
|
|
1975 keymap[VK_MENU] & 0x1 ? 1 : 0,
|
|
|
1976 keymap[VK_LMENU] & 0x80 ? 1 : 0,
|
|
|
1977 keymap[VK_LMENU] & 0x1 ? 1 : 0,
|
|
|
1978 keymap[VK_RMENU] & 0x80 ? 1 : 0,
|
|
|
1979 keymap[VK_RMENU] & 0x1 ? 1 : 0);
|
|
|
1980 stderr_out ("GetKeyboardState VK_CONTROL %d %d VK_LCONTROL %d %d VK_RCONTROL %d %d\n",
|
|
|
1981 keymap[VK_CONTROL] & 0x80 ? 1 : 0,
|
|
|
1982 keymap[VK_CONTROL] & 0x1 ? 1 : 0,
|
|
|
1983 keymap[VK_LCONTROL] & 0x80 ? 1 : 0,
|
|
|
1984 keymap[VK_LCONTROL] & 0x1 ? 1 : 0,
|
|
|
1985 keymap[VK_RCONTROL] & 0x80 ? 1 : 0,
|
|
|
1986 keymap[VK_RCONTROL] & 0x1 ? 1 : 0);
|
|
|
1987 stderr_out ("GetKeyboardState VK_SHIFT %d %d VK_LSHIFT %d %d VK_RSHIFT %d %d\n",
|
|
|
1988 keymap[VK_SHIFT] & 0x80 ? 1 : 0,
|
|
|
1989 keymap[VK_SHIFT] & 0x1 ? 1 : 0,
|
|
|
1990 keymap[VK_LSHIFT] & 0x80 ? 1 : 0,
|
|
|
1991 keymap[VK_LSHIFT] & 0x1 ? 1 : 0,
|
|
|
1992 keymap[VK_RSHIFT] & 0x80 ? 1 : 0,
|
|
|
1993 keymap[VK_RSHIFT] & 0x1 ? 1 : 0);
|
|
|
1994 }
|
|
|
1995
|
|
|
1996 #endif
|
|
|
1997
|
|
|
1998 /* try to debug the stuck-alt-key problem.
|
|
|
1999
|
|
|
2000 #### this happens only inconsistently, and may only happen when using
|
|
|
2001 StickyKeys in the Win2000 accessibility section of the control panel,
|
|
|
2002 which is extremely broken for other reasons. */
|
|
|
2003
|
|
|
2004 static void
|
|
|
2005 output_alt_keyboard_state (void)
|
|
|
2006 {
|
|
|
2007 BYTE keymap[256];
|
|
|
2008 SHORT keystate[3];
|
|
|
2009 // SHORT asyncstate[3];
|
|
|
2010
|
|
|
2011 GetKeyboardState (keymap);
|
|
|
2012 keystate[0] = GetKeyState (VK_MENU);
|
|
|
2013 keystate[1] = GetKeyState (VK_LMENU);
|
|
|
2014 keystate[2] = GetKeyState (VK_RMENU);
|
|
|
2015 /* Doing this interferes with key processing. */
|
|
|
2016 /* asyncstate[0] = GetAsyncKeyState (VK_MENU); */
|
|
|
2017 /* asyncstate[1] = GetAsyncKeyState (VK_LMENU); */
|
|
|
2018 /* asyncstate[2] = GetAsyncKeyState (VK_RMENU); */
|
|
|
2019
|
|
|
2020 stderr_out ("GetKeyboardState VK_MENU %d %d VK_LMENU %d %d VK_RMENU %d %d\n",
|
|
|
2021 keymap[VK_MENU] & 0x80 ? 1 : 0,
|
|
|
2022 keymap[VK_MENU] & 0x1 ? 1 : 0,
|
|
|
2023 keymap[VK_LMENU] & 0x80 ? 1 : 0,
|
|
|
2024 keymap[VK_LMENU] & 0x1 ? 1 : 0,
|
|
|
2025 keymap[VK_RMENU] & 0x80 ? 1 : 0,
|
|
|
2026 keymap[VK_RMENU] & 0x1 ? 1 : 0);
|
|
|
2027 stderr_out ("GetKeyState VK_MENU %d %d VK_LMENU %d %d VK_RMENU %d %d\n",
|
|
|
2028 keystate[0] & 0x8000 ? 1 : 0,
|
|
|
2029 keystate[0] & 0x1 ? 1 : 0,
|
|
|
2030 keystate[1] & 0x8000 ? 1 : 0,
|
|
|
2031 keystate[1] & 0x1 ? 1 : 0,
|
|
|
2032 keystate[2] & 0x8000 ? 1 : 0,
|
|
|
2033 keystate[2] & 0x1 ? 1 : 0);
|
|
|
2034 /* stderr_out ("GetAsyncKeyState VK_MENU %d %d VK_LMENU %d %d VK_RMENU %d %d\n", */
|
|
|
2035 /* asyncstate[0] & 0x8000 ? 1 : 0, */
|
|
|
2036 /* asyncstate[0] & 0x1 ? 1 : 0, */
|
|
|
2037 /* asyncstate[1] & 0x8000 ? 1 : 0, */
|
|
|
2038 /* asyncstate[1] & 0x1 ? 1 : 0, */
|
|
|
2039 /* asyncstate[2] & 0x8000 ? 1 : 0, */
|
|
|
2040 /* asyncstate[2] & 0x1 ? 1 : 0); */
|
|
|
2041 }
|
|
|
2042
|
|
|
2043 #endif /* DEBUG_XEMACS */
|
|
|
2044
|
|
|
2045
|
|
440
|
2046 /*
|
|
428
|
2047 * The windows procedure for the window class XEMACS_CLASS
|
|
|
2048 */
|
|
|
2049 LRESULT WINAPI
|
|
442
|
2050 mswindows_wnd_proc (HWND hwnd, UINT message_, WPARAM wParam, LPARAM lParam)
|
|
428
|
2051 {
|
|
|
2052 /* Note: Remember to initialize emacs_event and event before use.
|
|
|
2053 This code calls code that can GC. You must GCPRO before calling such code. */
|
|
|
2054 Lisp_Object emacs_event = Qnil;
|
|
|
2055 Lisp_Object fobj = Qnil;
|
|
|
2056
|
|
440
|
2057 Lisp_Event *event;
|
|
428
|
2058 struct frame *frame;
|
|
|
2059 struct mswindows_frame* msframe;
|
|
|
2060
|
|
442
|
2061 /* Not perfect but avoids crashes. There is potential for wierd
|
|
|
2062 behavior here. */
|
|
|
2063 if (gc_in_progress)
|
|
|
2064 goto defproc;
|
|
|
2065
|
|
|
2066 assert (!GetWindowLong (hwnd, GWL_USERDATA));
|
|
|
2067 switch (message_)
|
|
428
|
2068 {
|
|
442
|
2069 case WM_DESTROYCLIPBOARD:
|
|
|
2070 /* We own the clipboard and someone else wants it. Delete our
|
|
|
2071 cached copy of the clipboard contents so we'll ask for it from
|
|
|
2072 Windows again when someone does a paste, and destroy any memory
|
|
|
2073 objects we hold on the clipboard that are not in the list of types
|
|
|
2074 that Windows will delete itself. */
|
|
|
2075 mswindows_destroy_selection (QCLIPBOARD);
|
|
|
2076 handle_selection_clear (QCLIPBOARD);
|
|
|
2077 break;
|
|
|
2078
|
|
|
2079 case WM_ERASEBKGND:
|
|
|
2080 /* Erase background only during non-dynamic sizing */
|
|
|
2081 msframe = FRAME_MSWINDOWS_DATA (XFRAME (mswindows_find_frame (hwnd)));
|
|
|
2082 if (msframe->sizing && !mswindows_dynamic_frame_resize)
|
|
|
2083 goto defproc;
|
|
|
2084 return 1;
|
|
|
2085
|
|
|
2086 case WM_CLOSE:
|
|
|
2087 fobj = mswindows_find_frame (hwnd);
|
|
|
2088 mswindows_enqueue_misc_user_event (fobj, Qeval, list3 (Qdelete_frame, fobj, Qt));
|
|
440
|
2089 break;
|
|
428
|
2090
|
|
442
|
2091 case WM_KEYUP:
|
|
|
2092 case WM_SYSKEYUP:
|
|
|
2093
|
|
|
2094 /* See Win95 comment under WM_KEYDOWN */
|
|
|
2095 {
|
|
|
2096 BYTE keymap[256];
|
|
|
2097 int should_set_keymap = 0;
|
|
|
2098
|
|
|
2099 #ifdef DEBUG_XEMACS
|
|
|
2100 if (debug_mswindows_events)
|
|
|
2101 {
|
|
|
2102 stderr_out ("%s wparam=%d lparam=%d\n",
|
|
|
2103 message_ == WM_KEYUP ? "WM_KEYUP" : "WM_SYSKEYUP",
|
|
|
2104 wParam, (int)lParam);
|
|
|
2105 output_alt_keyboard_state ();
|
|
|
2106 }
|
|
|
2107 #endif /* DEBUG_XEMACS */
|
|
|
2108
|
|
|
2109 mswindows_handle_sticky_modifiers (wParam, lParam, 0, 1);
|
|
|
2110 if (wParam == VK_CONTROL)
|
|
|
2111 {
|
|
|
2112 GetKeyboardState (keymap);
|
|
|
2113 keymap [(lParam & 0x1000000) ? VK_RCONTROL : VK_LCONTROL] &= ~0x80;
|
|
|
2114 should_set_keymap = 1;
|
|
|
2115 }
|
|
|
2116 else if (wParam == VK_MENU)
|
|
|
2117 {
|
|
|
2118 GetKeyboardState (keymap);
|
|
|
2119 keymap [(lParam & 0x1000000) ? VK_RMENU : VK_LMENU] &= ~0x80;
|
|
|
2120 should_set_keymap = 1;
|
|
|
2121 }
|
|
|
2122
|
|
|
2123 if (should_set_keymap)
|
|
|
2124 // && (message_ != WM_SYSKEYUP
|
|
|
2125 // || NILP (Vmenu_accelerator_enabled)))
|
|
428
|
2126 SetKeyboardState (keymap);
|
|
|
2127
|
|
|
2128 }
|
|
442
|
2129
|
|
|
2130 if (key_needs_default_processing_p (wParam))
|
|
|
2131 goto defproc;
|
|
|
2132 else
|
|
|
2133 break;
|
|
|
2134
|
|
|
2135 case WM_KEYDOWN:
|
|
|
2136 case WM_SYSKEYDOWN:
|
|
|
2137
|
|
|
2138 /* In some locales the right-hand Alt key is labelled AltGr. This key
|
|
|
2139 * should produce alternative characters when combined with another key.
|
|
|
2140 * eg on a German keyboard pressing AltGr+q should produce '@'.
|
|
|
2141 * AltGr generates exactly the same keystrokes as LCtrl+RAlt. But if
|
|
|
2142 * TranslateMessage() is called with *any* combination of Ctrl+Alt down,
|
|
|
2143 * it translates as if AltGr were down.
|
|
|
2144 * We get round this by removing all modifiers from the keymap before
|
|
|
2145 * calling TranslateMessage() unless AltGr is *really* down. */
|
|
428
|
2146 {
|
|
442
|
2147 BYTE keymap_trans[256];
|
|
|
2148 BYTE keymap_orig[256];
|
|
|
2149 BYTE keymap_sticky[256];
|
|
|
2150 int has_AltGr = mswindows_current_layout_has_AltGr ();
|
|
502
|
2151 int mods = 0, mods_with_shift = 0;
|
|
442
|
2152 int extendedp = lParam & 0x1000000;
|
|
|
2153 Lisp_Object keysym;
|
|
|
2154 int sticky_changed;
|
|
|
2155
|
|
|
2156 #ifdef DEBUG_XEMACS
|
|
|
2157 if (debug_mswindows_events)
|
|
428
|
2158 {
|
|
442
|
2159 stderr_out ("%s wparam=%d lparam=%d\n",
|
|
|
2160 message_ == WM_KEYDOWN ? "WM_KEYDOWN" : "WM_SYSKEYDOWN",
|
|
|
2161 wParam, (int)lParam);
|
|
|
2162 output_alt_keyboard_state ();
|
|
428
|
2163 }
|
|
442
|
2164 #endif /* DEBUG_XEMACS */
|
|
|
2165
|
|
|
2166 GetKeyboardState (keymap_orig);
|
|
|
2167 frame = XFRAME (mswindows_find_frame (hwnd));
|
|
|
2168 if ((sticky_changed =
|
|
|
2169 mswindows_handle_sticky_modifiers (wParam, lParam, 1, 1)))
|
|
428
|
2170 {
|
|
442
|
2171 GetKeyboardState (keymap_sticky);
|
|
|
2172 if (keymap_sticky[VK_MENU] & 0x80)
|
|
|
2173 {
|
|
|
2174 message_ = WM_SYSKEYDOWN;
|
|
|
2175 /* We have to set the "context bit" so that the
|
|
|
2176 TranslateMessage() call below that generates the
|
|
|
2177 SYSCHAR message does its thing; see the documentation
|
|
|
2178 on WM_SYSKEYDOWN */
|
|
|
2179 lParam |= 1 << 29;
|
|
|
2180 }
|
|
428
|
2181 }
|
|
|
2182 else
|
|
442
|
2183 memcpy (keymap_sticky, keymap_orig, 256);
|
|
|
2184
|
|
|
2185 mods = mswindows_modifier_state (keymap_sticky, (DWORD) -1, has_AltGr);
|
|
502
|
2186 mods_with_shift = mods;
|
|
442
|
2187
|
|
|
2188 /* Handle non-printables */
|
|
|
2189 if (!NILP (keysym = mswindows_key_to_emacs_keysym (wParam, mods,
|
|
|
2190 extendedp)))
|
|
428
|
2191 {
|
|
442
|
2192 mswindows_enqueue_keypress_event (hwnd, keysym, mods);
|
|
|
2193 if (sticky_changed)
|
|
|
2194 SetKeyboardState (keymap_orig);
|
|
428
|
2195 }
|
|
442
|
2196 else /* Normal keys & modifiers */
|
|
428
|
2197 {
|
|
442
|
2198 Emchar quit_ch =
|
|
|
2199 CONSOLE_QUIT_CHAR (XCONSOLE (mswindows_find_console (hwnd)));
|
|
|
2200 POINT pnt = { LOWORD (GetMessagePos()), HIWORD (GetMessagePos()) };
|
|
|
2201 MSG msg, tranmsg;
|
|
|
2202 int potential_accelerator = 0;
|
|
|
2203 int got_accelerator = 0;
|
|
|
2204
|
|
|
2205 msg.hwnd = hwnd;
|
|
|
2206 msg.message = message_;
|
|
|
2207 msg.wParam = wParam;
|
|
|
2208 msg.lParam = lParam;
|
|
|
2209 msg.time = GetMessageTime();
|
|
|
2210 msg.pt = pnt;
|
|
|
2211
|
|
|
2212 /* GetKeyboardState() does not work as documented on Win95. We have
|
|
|
2213 * to loosely track Left and Right modifiers on behalf of the OS,
|
|
|
2214 * without screwing up Windows NT which tracks them properly. */
|
|
|
2215 if (wParam == VK_CONTROL)
|
|
|
2216 {
|
|
|
2217 keymap_orig[extendedp ? VK_RCONTROL : VK_LCONTROL] |= 0x80;
|
|
|
2218 keymap_sticky[extendedp ? VK_RCONTROL : VK_LCONTROL] |= 0x80;
|
|
|
2219 }
|
|
|
2220 else if (wParam == VK_MENU)
|
|
|
2221 {
|
|
|
2222 keymap_orig[extendedp ? VK_RMENU : VK_LMENU] |= 0x80;
|
|
|
2223 keymap_sticky[extendedp ? VK_RMENU : VK_LMENU] |= 0x80;
|
|
|
2224 }
|
|
|
2225
|
|
|
2226 if (!NILP (Vmenu_accelerator_enabled) &&
|
|
|
2227 !(mods & XEMACS_MOD_SHIFT) && message_ == WM_SYSKEYDOWN)
|
|
|
2228 potential_accelerator = 1;
|
|
|
2229
|
|
|
2230 /* Remove shift modifier from an ascii character */
|
|
|
2231 mods &= ~XEMACS_MOD_SHIFT;
|
|
|
2232
|
|
|
2233 memcpy (keymap_trans, keymap_sticky, 256);
|
|
|
2234
|
|
|
2235 /* Clear control and alt modifiers unless AltGr is pressed */
|
|
|
2236 keymap_trans[VK_RCONTROL] = 0;
|
|
|
2237 keymap_trans[VK_LMENU] = 0;
|
|
|
2238 if (!has_AltGr || !(keymap_trans[VK_LCONTROL] & 0x80)
|
|
|
2239 || !(keymap_trans[VK_RMENU] & 0x80))
|
|
|
2240 {
|
|
|
2241 keymap_trans[VK_LCONTROL] = 0;
|
|
|
2242 keymap_trans[VK_CONTROL] = 0;
|
|
|
2243 keymap_trans[VK_RMENU] = 0;
|
|
|
2244 keymap_trans[VK_MENU] = 0;
|
|
|
2245 }
|
|
|
2246 SetKeyboardState (keymap_trans);
|
|
|
2247
|
|
|
2248 /* Maybe generate some WM_[SYS]CHARs in the queue */
|
|
|
2249 TranslateMessage (&msg);
|
|
|
2250
|
|
|
2251 while (PeekMessage (&tranmsg, hwnd, WM_CHAR, WM_CHAR, PM_REMOVE)
|
|
|
2252 || PeekMessage (&tranmsg, hwnd, WM_SYSCHAR, WM_SYSCHAR,
|
|
|
2253 PM_REMOVE))
|
|
|
2254 {
|
|
502
|
2255 int mods_with_quit = mods;
|
|
442
|
2256 WPARAM ch = tranmsg.wParam;
|
|
|
2257
|
|
|
2258 /* If a quit char with no modifiers other than control and
|
|
|
2259 shift, then mark it with a fake modifier, which is removed
|
|
|
2260 upon dequeueing the event */
|
|
502
|
2261 /* !!#### Fix this in my mule ws -- replace current_buffer
|
|
|
2262 with 0 */
|
|
442
|
2263 if (((quit_ch < ' ' && (mods & XEMACS_MOD_CONTROL)
|
|
502
|
2264 && DOWNCASE (current_buffer, quit_ch + 'a' - 1) ==
|
|
|
2265 DOWNCASE (current_buffer, ch))
|
|
442
|
2266 || (quit_ch >= ' ' && !(mods & XEMACS_MOD_CONTROL)
|
|
502
|
2267 && DOWNCASE (current_buffer, quit_ch) ==
|
|
|
2268 DOWNCASE (current_buffer, ch)))
|
|
|
2269 && ((mods_with_shift &
|
|
|
2270 ~(XEMACS_MOD_CONTROL | XEMACS_MOD_SHIFT))
|
|
442
|
2271 == 0))
|
|
|
2272 {
|
|
502
|
2273 mods_with_quit |= FAKE_MOD_QUIT;
|
|
|
2274 if (mods_with_shift & XEMACS_MOD_SHIFT)
|
|
|
2275 mods_with_quit |= FAKE_MOD_QUIT_CRITICAL;
|
|
442
|
2276 ++mswindows_quit_chars_count;
|
|
|
2277 }
|
|
|
2278 else if (potential_accelerator && !got_accelerator &&
|
|
|
2279 mswindows_char_is_accelerator (frame, ch))
|
|
|
2280 {
|
|
|
2281 got_accelerator = 1;
|
|
|
2282 break;
|
|
|
2283 }
|
|
502
|
2284 mswindows_enqueue_keypress_event (hwnd, make_char (ch),
|
|
|
2285 mods_with_quit);
|
|
442
|
2286 } /* while */
|
|
|
2287
|
|
|
2288 /* This generates WM_SYSCHAR messages, which are interpreted
|
|
|
2289 by DefWindowProc as the menu selections. */
|
|
|
2290 if (got_accelerator)
|
|
|
2291 {
|
|
|
2292 SetKeyboardState (keymap_sticky);
|
|
|
2293 TranslateMessage (&msg);
|
|
|
2294 SetKeyboardState (keymap_orig);
|
|
|
2295 goto defproc;
|
|
|
2296 }
|
|
|
2297
|
|
|
2298 SetKeyboardState (keymap_orig);
|
|
|
2299 } /* else */
|
|
428
|
2300 }
|
|
442
|
2301
|
|
|
2302 if (key_needs_default_processing_p (wParam))
|
|
|
2303 goto defproc;
|
|
|
2304 else
|
|
|
2305 break;
|
|
|
2306
|
|
|
2307 case WM_MBUTTONDOWN:
|
|
|
2308 case WM_MBUTTONUP:
|
|
|
2309 /* Real middle mouse button has nothing to do with emulated one:
|
|
|
2310 if one wants to exercise fingers playing chords on the mouse,
|
|
|
2311 he is allowed to do that! */
|
|
|
2312 mswindows_enqueue_mouse_button_event (hwnd, message_,
|
|
|
2313 MAKEPOINTS (lParam),
|
|
|
2314 wParam &~ MK_MBUTTON,
|
|
|
2315 GetMessageTime());
|
|
|
2316 break;
|
|
|
2317
|
|
|
2318 case WM_LBUTTONUP:
|
|
|
2319 msframe = FRAME_MSWINDOWS_DATA (XFRAME (mswindows_find_frame (hwnd)));
|
|
|
2320 msframe->last_click_time = GetMessageTime();
|
|
|
2321
|
|
|
2322 KillTimer (hwnd, BUTTON_2_TIMER_ID);
|
|
|
2323 msframe->button2_need_lbutton = 0;
|
|
|
2324 if (msframe->ignore_next_lbutton_up)
|
|
|
2325 {
|
|
|
2326 msframe->ignore_next_lbutton_up = 0;
|
|
|
2327 }
|
|
|
2328 else if (msframe->button2_is_down)
|
|
|
2329 {
|
|
|
2330 msframe->button2_is_down = 0;
|
|
|
2331 msframe->ignore_next_rbutton_up = 1;
|
|
|
2332 mswindows_enqueue_mouse_button_event (hwnd, WM_MBUTTONUP,
|
|
|
2333 MAKEPOINTS (lParam),
|
|
|
2334 wParam
|
|
|
2335 &~ (MK_LBUTTON | MK_MBUTTON
|
|
|
2336 | MK_RBUTTON),
|
|
|
2337 GetMessageTime());
|
|
|
2338 }
|
|
|
2339 else
|
|
|
2340 {
|
|
|
2341 if (msframe->button2_need_rbutton)
|
|
|
2342 {
|
|
|
2343 msframe->button2_need_rbutton = 0;
|
|
|
2344 mswindows_enqueue_mouse_button_event (hwnd, WM_LBUTTONDOWN,
|
|
|
2345 MAKEPOINTS (lParam),
|
|
|
2346 wParam &~ MK_LBUTTON,
|
|
|
2347 GetMessageTime());
|
|
|
2348 }
|
|
|
2349 mswindows_enqueue_mouse_button_event (hwnd, WM_LBUTTONUP,
|
|
|
2350 MAKEPOINTS (lParam),
|
|
|
2351 wParam &~ MK_LBUTTON,
|
|
|
2352 GetMessageTime());
|
|
|
2353 }
|
|
|
2354 break;
|
|
|
2355
|
|
|
2356 case WM_RBUTTONUP:
|
|
|
2357 msframe = FRAME_MSWINDOWS_DATA (XFRAME (mswindows_find_frame (hwnd)));
|
|
|
2358 msframe->last_click_time = GetMessageTime();
|
|
|
2359
|
|
|
2360 KillTimer (hwnd, BUTTON_2_TIMER_ID);
|
|
|
2361 msframe->button2_need_rbutton = 0;
|
|
|
2362 if (msframe->ignore_next_rbutton_up)
|
|
|
2363 {
|
|
|
2364 msframe->ignore_next_rbutton_up = 0;
|
|
|
2365 }
|
|
|
2366 else if (msframe->button2_is_down)
|
|
|
2367 {
|
|
|
2368 msframe->button2_is_down = 0;
|
|
|
2369 msframe->ignore_next_lbutton_up = 1;
|
|
|
2370 mswindows_enqueue_mouse_button_event (hwnd, WM_MBUTTONUP,
|
|
|
2371 MAKEPOINTS (lParam),
|
|
|
2372 wParam
|
|
|
2373 &~ (MK_LBUTTON | MK_MBUTTON
|
|
|
2374 | MK_RBUTTON),
|
|
|
2375 GetMessageTime());
|
|
|
2376 }
|
|
|
2377 else
|
|
|
2378 {
|
|
|
2379 if (msframe->button2_need_lbutton)
|
|
|
2380 {
|
|
|
2381 msframe->button2_need_lbutton = 0;
|
|
|
2382 mswindows_enqueue_mouse_button_event (hwnd, WM_RBUTTONDOWN,
|
|
|
2383 MAKEPOINTS (lParam),
|
|
|
2384 wParam &~ MK_RBUTTON,
|
|
|
2385 GetMessageTime());
|
|
|
2386 }
|
|
|
2387 mswindows_enqueue_mouse_button_event (hwnd, WM_RBUTTONUP,
|
|
|
2388 MAKEPOINTS (lParam),
|
|
|
2389 wParam &~ MK_RBUTTON,
|
|
|
2390 GetMessageTime());
|
|
|
2391 }
|
|
|
2392 break;
|
|
|
2393
|
|
|
2394 case WM_LBUTTONDOWN:
|
|
|
2395 msframe = FRAME_MSWINDOWS_DATA (XFRAME (mswindows_find_frame (hwnd)));
|
|
|
2396
|
|
|
2397 if (msframe->button2_need_lbutton)
|
|
428
|
2398 {
|
|
|
2399 KillTimer (hwnd, BUTTON_2_TIMER_ID);
|
|
442
|
2400 msframe->button2_need_lbutton = 0;
|
|
|
2401 msframe->button2_need_rbutton = 0;
|
|
|
2402 if (mswindows_button2_near_enough (msframe->last_click_point,
|
|
|
2403 MAKEPOINTS (lParam)))
|
|
428
|
2404 {
|
|
442
|
2405 mswindows_enqueue_mouse_button_event (hwnd, WM_MBUTTONDOWN,
|
|
|
2406 MAKEPOINTS (lParam),
|
|
|
2407 wParam
|
|
|
2408 &~ (MK_LBUTTON | MK_MBUTTON
|
|
|
2409 | MK_RBUTTON),
|
|
|
2410 GetMessageTime());
|
|
|
2411 msframe->button2_is_down = 1;
|
|
428
|
2412 }
|
|
442
|
2413 else
|
|
428
|
2414 {
|
|
442
|
2415 mswindows_enqueue_mouse_button_event (hwnd, WM_RBUTTONDOWN,
|
|
|
2416 msframe->last_click_point,
|
|
|
2417 msframe->last_click_mods
|
|
|
2418 &~ MK_RBUTTON,
|
|
|
2419 msframe->last_click_time);
|
|
|
2420 mswindows_enqueue_mouse_button_event (hwnd, WM_LBUTTONDOWN,
|
|
|
2421 MAKEPOINTS (lParam),
|
|
|
2422 wParam &~ MK_LBUTTON,
|
|
|
2423 GetMessageTime());
|
|
428
|
2424 }
|
|
|
2425 }
|
|
|
2426 else
|
|
442
|
2427 {
|
|
|
2428 mswindows_set_chord_timer (hwnd);
|
|
|
2429 msframe->button2_need_rbutton = 1;
|
|
|
2430 msframe->last_click_point = MAKEPOINTS (lParam);
|
|
|
2431 msframe->last_click_mods = wParam;
|
|
|
2432 }
|
|
|
2433 msframe->last_click_time = GetMessageTime();
|
|
|
2434 break;
|
|
|
2435
|
|
|
2436 case WM_RBUTTONDOWN:
|
|
|
2437 msframe = FRAME_MSWINDOWS_DATA (XFRAME (mswindows_find_frame (hwnd)));
|
|
|
2438
|
|
|
2439 if (msframe->button2_need_rbutton)
|
|
428
|
2440 {
|
|
442
|
2441 KillTimer (hwnd, BUTTON_2_TIMER_ID);
|
|
|
2442 msframe->button2_need_lbutton = 0;
|
|
|
2443 msframe->button2_need_rbutton = 0;
|
|
|
2444 if (mswindows_button2_near_enough (msframe->last_click_point,
|
|
|
2445 MAKEPOINTS (lParam)))
|
|
|
2446 {
|
|
|
2447 mswindows_enqueue_mouse_button_event (hwnd, WM_MBUTTONDOWN,
|
|
|
2448 MAKEPOINTS (lParam),
|
|
|
2449 wParam
|
|
|
2450 &~ (MK_LBUTTON | MK_MBUTTON
|
|
|
2451 | MK_RBUTTON),
|
|
|
2452 GetMessageTime());
|
|
|
2453 msframe->button2_is_down = 1;
|
|
|
2454 }
|
|
|
2455 else
|
|
|
2456 {
|
|
|
2457 mswindows_enqueue_mouse_button_event (hwnd, WM_LBUTTONDOWN,
|
|
|
2458 msframe->last_click_point,
|
|
|
2459 msframe->last_click_mods
|
|
|
2460 &~ MK_LBUTTON,
|
|
|
2461 msframe->last_click_time);
|
|
|
2462 mswindows_enqueue_mouse_button_event (hwnd, WM_RBUTTONDOWN,
|
|
|
2463 MAKEPOINTS (lParam),
|
|
|
2464 wParam &~ MK_RBUTTON,
|
|
|
2465 GetMessageTime());
|
|
|
2466 }
|
|
428
|
2467 }
|
|
|
2468 else
|
|
|
2469 {
|
|
442
|
2470 mswindows_set_chord_timer (hwnd);
|
|
|
2471 msframe->button2_need_lbutton = 1;
|
|
|
2472 msframe->last_click_point = MAKEPOINTS (lParam);
|
|
|
2473 msframe->last_click_mods = wParam;
|
|
|
2474 }
|
|
|
2475 msframe->last_click_time = GetMessageTime();
|
|
|
2476 break;
|
|
|
2477
|
|
|
2478 case WM_TIMER:
|
|
|
2479 if (wParam == BUTTON_2_TIMER_ID)
|
|
|
2480 {
|
|
|
2481 msframe = FRAME_MSWINDOWS_DATA (XFRAME (mswindows_find_frame (hwnd)));
|
|
|
2482 KillTimer (hwnd, BUTTON_2_TIMER_ID);
|
|
|
2483
|
|
|
2484 if (msframe->button2_need_lbutton)
|
|
|
2485 {
|
|
|
2486 msframe->button2_need_lbutton = 0;
|
|
|
2487 mswindows_enqueue_mouse_button_event (hwnd, WM_RBUTTONDOWN,
|
|
|
2488 msframe->last_click_point,
|
|
|
2489 msframe->last_click_mods
|
|
|
2490 &~ MK_RBUTTON,
|
|
|
2491 msframe->last_click_time);
|
|
|
2492 }
|
|
|
2493 else if (msframe->button2_need_rbutton)
|
|
|
2494 {
|
|
|
2495 msframe->button2_need_rbutton = 0;
|
|
|
2496 mswindows_enqueue_mouse_button_event (hwnd, WM_LBUTTONDOWN,
|
|
|
2497 msframe->last_click_point,
|
|
|
2498 msframe->last_click_mods
|
|
|
2499 &~ MK_LBUTTON,
|
|
|
2500 msframe->last_click_time);
|
|
|
2501 }
|
|
|
2502 }
|
|
|
2503 else
|
|
|
2504 assert ("Spurious timer fired" == 0);
|
|
|
2505 break;
|
|
|
2506
|
|
|
2507 case WM_MOUSEMOVE:
|
|
|
2508 /* Optimization: don't report mouse movement while size is changing */
|
|
|
2509 msframe = FRAME_MSWINDOWS_DATA (XFRAME (mswindows_find_frame (hwnd)));
|
|
|
2510 if (!msframe->sizing)
|
|
|
2511 {
|
|
|
2512 /* When waiting for the second mouse button to finish
|
|
|
2513 button2 emulation, and have moved too far, just pretend
|
|
|
2514 as if timer has expired. This improves drag-select feedback */
|
|
|
2515 if ((msframe->button2_need_lbutton || msframe->button2_need_rbutton)
|
|
|
2516 && !mswindows_button2_near_enough (msframe->last_click_point,
|
|
|
2517 MAKEPOINTS (lParam)))
|
|
428
|
2518 {
|
|
442
|
2519 KillTimer (hwnd, BUTTON_2_TIMER_ID);
|
|
|
2520 SendMessage (hwnd, WM_TIMER, BUTTON_2_TIMER_ID, 0);
|
|
|
2521 }
|
|
|
2522
|
|
|
2523 emacs_event = Fmake_event (Qnil, Qnil);
|
|
|
2524 event = XEVENT(emacs_event);
|
|
|
2525
|
|
|
2526 event->channel = mswindows_find_frame(hwnd);
|
|
|
2527 event->timestamp = GetMessageTime();
|
|
|
2528 event->event_type = pointer_motion_event;
|
|
|
2529 event->event.motion.x = MAKEPOINTS(lParam).x;
|
|
|
2530 event->event.motion.y = MAKEPOINTS(lParam).y;
|
|
|
2531 event->event.motion.modifiers =
|
|
|
2532 mswindows_modifier_state (NULL, wParam, 0);
|
|
|
2533
|
|
|
2534 mswindows_enqueue_dispatch_event (emacs_event);
|
|
|
2535 }
|
|
|
2536 break;
|
|
|
2537
|
|
|
2538 case WM_CANCELMODE:
|
|
|
2539 ReleaseCapture ();
|
|
|
2540 /* Queue a `cancel-mode-internal' misc user event, so mouse
|
|
|
2541 selection would be canceled if any */
|
|
|
2542 mswindows_enqueue_misc_user_event (mswindows_find_frame (hwnd),
|
|
|
2543 Qcancel_mode_internal, Qnil);
|
|
|
2544 break;
|
|
|
2545
|
|
|
2546 case WM_NOTIFY:
|
|
|
2547 {
|
|
|
2548 LPNMHDR nmhdr = (LPNMHDR)lParam;
|
|
|
2549
|
|
|
2550 if (nmhdr->code == TTN_NEEDTEXT)
|
|
|
2551 {
|
|
|
2552 #ifdef HAVE_TOOLBARS
|
|
|
2553 LPTOOLTIPTEXT tttext = (LPTOOLTIPTEXT)lParam;
|
|
|
2554 Lisp_Object btext;
|
|
|
2555
|
|
|
2556 /* find out which toolbar */
|
|
|
2557 frame = XFRAME (mswindows_find_frame (hwnd));
|
|
|
2558 btext = mswindows_get_toolbar_button_text ( frame,
|
|
|
2559 nmhdr->idFrom );
|
|
|
2560
|
|
|
2561 tttext->lpszText = NULL;
|
|
|
2562 tttext->hinst = NULL;
|
|
|
2563
|
|
|
2564 if (!NILP(btext))
|
|
|
2565 {
|
|
|
2566 /* I think this is safe since the text will only go away
|
|
|
2567 when the toolbar does...*/
|
|
|
2568 LISP_STRING_TO_EXTERNAL (btext, tttext->lpszText, Qnative);
|
|
|
2569 }
|
|
|
2570 #endif
|
|
|
2571 }
|
|
|
2572 /* handle tree view callbacks */
|
|
|
2573 else if (nmhdr->code == TVN_SELCHANGED)
|
|
|
2574 {
|
|
|
2575 NM_TREEVIEW* ptree = (NM_TREEVIEW*)lParam;
|
|
|
2576 frame = XFRAME (mswindows_find_frame (hwnd));
|
|
|
2577 mswindows_handle_gui_wm_command (frame, 0, ptree->itemNew.lParam);
|
|
|
2578 }
|
|
|
2579 /* handle tab control callbacks */
|
|
|
2580 else if (nmhdr->code == TCN_SELCHANGE)
|
|
|
2581 {
|
|
|
2582 TC_ITEM item;
|
|
|
2583 int idx = SendMessage (nmhdr->hwndFrom, TCM_GETCURSEL, 0, 0);
|
|
|
2584 frame = XFRAME (mswindows_find_frame (hwnd));
|
|
|
2585
|
|
|
2586 item.mask = TCIF_PARAM;
|
|
|
2587 SendMessage (nmhdr->hwndFrom, TCM_GETITEM, (WPARAM)idx,
|
|
|
2588 (LPARAM)&item);
|
|
|
2589
|
|
|
2590 mswindows_handle_gui_wm_command (frame, 0, item.lParam);
|
|
|
2591 }
|
|
|
2592 }
|
|
|
2593 break;
|
|
|
2594
|
|
|
2595 case WM_PAINT:
|
|
|
2596 /* hdc will be NULL unless this is a subwindow - in which case we
|
|
|
2597 shouldn't have received a paint message for it here. */
|
|
|
2598 assert (wParam == 0);
|
|
|
2599
|
|
|
2600 /* Can't queue a magic event because windows goes modal and sends paint
|
|
|
2601 messages directly to the windows procedure when doing solid drags
|
|
|
2602 and the message queue doesn't get processed. */
|
|
|
2603 mswindows_handle_paint (XFRAME (mswindows_find_frame (hwnd)));
|
|
|
2604 break;
|
|
|
2605
|
|
|
2606 case WM_SIZE:
|
|
|
2607 /* We only care about this message if our size has really changed */
|
|
|
2608 if (wParam==SIZE_RESTORED || wParam==SIZE_MAXIMIZED || wParam==SIZE_MINIMIZED)
|
|
|
2609 {
|
|
|
2610 RECT rect;
|
|
|
2611 int columns, rows;
|
|
|
2612
|
|
|
2613 fobj = mswindows_find_frame (hwnd);
|
|
|
2614 frame = XFRAME (fobj);
|
|
|
2615 msframe = FRAME_MSWINDOWS_DATA (frame);
|
|
|
2616
|
|
|
2617 /* We cannot handle frame map and unmap hooks right in
|
|
|
2618 this routine, because these may throw. We queue
|
|
|
2619 magic events to run these hooks instead - kkm */
|
|
|
2620
|
|
|
2621 if (wParam==SIZE_MINIMIZED)
|
|
|
2622 {
|
|
|
2623 /* Iconified */
|
|
|
2624 FRAME_VISIBLE_P (frame) = 0;
|
|
|
2625 mswindows_enqueue_magic_event (hwnd, XM_UNMAPFRAME);
|
|
428
|
2626 }
|
|
|
2627 else
|
|
|
2628 {
|
|
442
|
2629 GetClientRect(hwnd, &rect);
|
|
|
2630 FRAME_PIXWIDTH(frame) = rect.right;
|
|
|
2631 FRAME_PIXHEIGHT(frame) = rect.bottom;
|
|
|
2632
|
|
|
2633 pixel_to_real_char_size (frame, rect.right, rect.bottom,
|
|
|
2634 &FRAME_MSWINDOWS_CHARWIDTH (frame),
|
|
|
2635 &FRAME_MSWINDOWS_CHARHEIGHT (frame));
|
|
|
2636
|
|
|
2637 pixel_to_char_size (frame, rect.right, rect.bottom, &columns, &rows);
|
|
|
2638 change_frame_size (frame, rows, columns, 1);
|
|
|
2639
|
|
|
2640 /* If we are inside frame creation, we have to apply geometric
|
|
|
2641 properties now. */
|
|
|
2642 if (FRAME_MSWINDOWS_TARGET_RECT (frame))
|
|
|
2643 {
|
|
|
2644 /* Yes, we have to size again */
|
|
|
2645 mswindows_size_frame_internal ( frame,
|
|
|
2646 FRAME_MSWINDOWS_TARGET_RECT
|
|
|
2647 (frame));
|
|
|
2648 /* Reset so we do not get here again. The SetWindowPos call in
|
|
|
2649 * mswindows_size_frame_internal can cause recursion here. */
|
|
|
2650 if (FRAME_MSWINDOWS_TARGET_RECT (frame))
|
|
|
2651 {
|
|
|
2652 xfree (FRAME_MSWINDOWS_TARGET_RECT (frame));
|
|
|
2653 FRAME_MSWINDOWS_TARGET_RECT (frame) = 0;
|
|
|
2654 }
|
|
|
2655 }
|
|
|
2656 else
|
|
|
2657 {
|
|
|
2658 if (!msframe->sizing && !FRAME_VISIBLE_P (frame))
|
|
|
2659 mswindows_enqueue_magic_event (hwnd, XM_MAPFRAME);
|
|
|
2660 FRAME_VISIBLE_P (frame) = 1;
|
|
|
2661
|
|
|
2662 if (!msframe->sizing || mswindows_dynamic_frame_resize)
|
|
|
2663 redisplay ();
|
|
|
2664 }
|
|
428
|
2665 }
|
|
|
2666 }
|
|
442
|
2667 break;
|
|
|
2668
|
|
|
2669 case WM_DISPLAYCHANGE:
|
|
|
2670 {
|
|
|
2671 struct device *d;
|
|
|
2672 DWORD message_tick = GetMessageTime ();
|
|
|
2673
|
|
|
2674 fobj = mswindows_find_frame (hwnd);
|
|
|
2675 frame = XFRAME (fobj);
|
|
|
2676 d = XDEVICE (FRAME_DEVICE (frame));
|
|
|
2677
|
|
|
2678 /* Do this only once per message. XEmacs can receive this message
|
|
|
2679 through as many frames as it currently has open. Message time
|
|
|
2680 will be the same for all these messages. Despite extreme
|
|
|
2681 efficiency, the code below has about one in 4 billion
|
|
|
2682 probability that the HDC is not recreated, provided that
|
|
|
2683 XEmacs is running sufficiently longer than 52 days. */
|
|
|
2684 if (DEVICE_MSWINDOWS_UPDATE_TICK(d) != message_tick)
|
|
|
2685 {
|
|
|
2686 DEVICE_MSWINDOWS_UPDATE_TICK(d) = message_tick;
|
|
|
2687 DeleteDC (DEVICE_MSWINDOWS_HCDC(d));
|
|
|
2688 DEVICE_MSWINDOWS_HCDC(d) = CreateCompatibleDC (NULL);
|
|
|
2689 }
|
|
|
2690 }
|
|
|
2691 break;
|
|
|
2692
|
|
|
2693 /* Misc magic events which only require that the frame be identified */
|
|
|
2694 case WM_SETFOCUS:
|
|
|
2695 case WM_KILLFOCUS:
|
|
|
2696 mswindows_enqueue_magic_event (hwnd, message_);
|
|
|
2697 break;
|
|
|
2698
|
|
|
2699 case WM_WINDOWPOSCHANGING:
|
|
428
|
2700 {
|
|
442
|
2701 WINDOWPOS *wp = (LPWINDOWPOS) lParam;
|
|
|
2702 WINDOWPLACEMENT wpl = { sizeof(WINDOWPLACEMENT) };
|
|
|
2703 GetWindowPlacement(hwnd, &wpl);
|
|
|
2704
|
|
|
2705 /* Only interested if size is changing and we're not being iconified */
|
|
|
2706 if (wpl.showCmd != SW_SHOWMINIMIZED
|
|
|
2707 && wpl.showCmd != SW_SHOWMAXIMIZED
|
|
|
2708 && !(wp->flags & SWP_NOSIZE))
|
|
428
|
2709 {
|
|
442
|
2710 RECT ncsize = { 0, 0, 0, 0 };
|
|
|
2711 int pixwidth, pixheight;
|
|
|
2712 AdjustWindowRectEx (&ncsize, GetWindowLong (hwnd, GWL_STYLE),
|
|
|
2713 GetMenu(hwnd) != NULL,
|
|
|
2714 GetWindowLong (hwnd, GWL_EXSTYLE));
|
|
|
2715
|
|
|
2716 round_size_to_real_char (XFRAME (mswindows_find_frame (hwnd)),
|
|
|
2717 wp->cx - (ncsize.right - ncsize.left),
|
|
|
2718 wp->cy - (ncsize.bottom - ncsize.top),
|
|
|
2719 &pixwidth, &pixheight);
|
|
|
2720
|
|
|
2721 /* Convert client sizes to window sizes */
|
|
|
2722 pixwidth += (ncsize.right - ncsize.left);
|
|
|
2723 pixheight += (ncsize.bottom - ncsize.top);
|
|
|
2724
|
|
|
2725 if (wpl.showCmd != SW_SHOWMAXIMIZED)
|
|
|
2726 {
|
|
|
2727 /* Adjust so that the bottom or right doesn't move if it's
|
|
|
2728 * the top or left that's being changed */
|
|
|
2729 RECT rect;
|
|
|
2730 GetWindowRect (hwnd, &rect);
|
|
|
2731
|
|
|
2732 if (rect.left != wp->x)
|
|
|
2733 wp->x += wp->cx - pixwidth;
|
|
|
2734 if (rect.top != wp->y)
|
|
|
2735 wp->y += wp->cy - pixheight;
|
|
|
2736 }
|
|
|
2737
|
|
|
2738 wp->cx = pixwidth;
|
|
|
2739 wp->cy = pixheight;
|
|
428
|
2740 }
|
|
442
|
2741 /* DefWindowProc sends useful WM_GETMINMAXINFO message, and adjusts
|
|
|
2742 window position if the user tries to track window too small */
|
|
428
|
2743 }
|
|
442
|
2744 goto defproc;
|
|
|
2745
|
|
|
2746 case WM_ENTERSIZEMOVE:
|
|
|
2747 msframe = FRAME_MSWINDOWS_DATA (XFRAME (mswindows_find_frame (hwnd)));
|
|
|
2748 msframe->sizing = 1;
|
|
|
2749 return 0;
|
|
|
2750
|
|
|
2751 case WM_EXITSIZEMOVE:
|
|
|
2752 msframe = FRAME_MSWINDOWS_DATA (XFRAME (mswindows_find_frame (hwnd)));
|
|
|
2753 msframe->sizing = 0;
|
|
|
2754 /* Queue noop event */
|
|
|
2755 mswindows_enqueue_magic_event (NULL, XM_BUMPQUEUE);
|
|
|
2756 return 0;
|
|
428
|
2757
|
|
|
2758 #ifdef HAVE_SCROLLBARS
|
|
442
|
2759 case WM_VSCROLL:
|
|
|
2760 case WM_HSCROLL:
|
|
|
2761 {
|
|
|
2762 /* Direction of scroll is determined by scrollbar instance. */
|
|
|
2763 int code = (int) LOWORD(wParam);
|
|
|
2764 int pos = (short int) HIWORD(wParam);
|
|
|
2765 HWND hwndScrollBar = (HWND) lParam;
|
|
|
2766 struct gcpro gcpro1, gcpro2;
|
|
|
2767
|
|
|
2768 mswindows_handle_scrollbar_event (hwndScrollBar, code, pos);
|
|
|
2769 GCPRO2 (emacs_event, fobj);
|
|
|
2770 if (UNBOUNDP(mswindows_pump_outstanding_events())) /* Can GC */
|
|
|
2771 {
|
|
|
2772 /* Error during event pumping - cancel scroll */
|
|
|
2773 SendMessage (hwndScrollBar, WM_CANCELMODE, 0, 0);
|
|
|
2774 }
|
|
|
2775 UNGCPRO;
|
|
|
2776 break;
|
|
|
2777 }
|
|
|
2778
|
|
|
2779 case WM_MOUSEWHEEL:
|
|
|
2780 {
|
|
|
2781 int keys = LOWORD (wParam); /* Modifier key flags */
|
|
|
2782 int delta = (short) HIWORD (wParam); /* Wheel rotation amount */
|
|
|
2783 struct gcpro gcpro1, gcpro2;
|
|
|
2784
|
|
464
|
2785 if (mswindows_handle_mousewheel_event (mswindows_find_frame (hwnd),
|
|
|
2786 keys, delta,
|
|
|
2787 MAKEPOINTS (lParam)))
|
|
442
|
2788 {
|
|
|
2789 GCPRO2 (emacs_event, fobj);
|
|
|
2790 mswindows_pump_outstanding_events (); /* Can GC */
|
|
|
2791 UNGCPRO;
|
|
|
2792 }
|
|
|
2793 else
|
|
|
2794 goto defproc;
|
|
|
2795 break;
|
|
|
2796 }
|
|
428
|
2797 #endif
|
|
|
2798
|
|
|
2799 #ifdef HAVE_MENUBARS
|
|
442
|
2800 case WM_INITMENU:
|
|
|
2801 if (UNBOUNDP (mswindows_handle_wm_initmenu (
|
|
|
2802 (HMENU) wParam,
|
|
|
2803 XFRAME (mswindows_find_frame (hwnd)))))
|
|
|
2804 SendMessage (hwnd, WM_CANCELMODE, 0, 0);
|
|
|
2805 break;
|
|
|
2806
|
|
|
2807 case WM_INITMENUPOPUP:
|
|
|
2808 if (!HIWORD(lParam))
|
|
|
2809 {
|
|
|
2810 if (UNBOUNDP (mswindows_handle_wm_initmenupopup (
|
|
|
2811 (HMENU) wParam,
|
|
|
2812 XFRAME (mswindows_find_frame (hwnd)))))
|
|
|
2813 SendMessage (hwnd, WM_CANCELMODE, 0, 0);
|
|
|
2814 }
|
|
|
2815 break;
|
|
428
|
2816
|
|
|
2817 #endif /* HAVE_MENUBARS */
|
|
|
2818
|
|
442
|
2819 case WM_COMMAND:
|
|
|
2820 {
|
|
|
2821 WORD id = LOWORD (wParam);
|
|
|
2822 WORD nid = HIWORD (wParam);
|
|
|
2823 HWND cid = (HWND)lParam;
|
|
|
2824 frame = XFRAME (mswindows_find_frame (hwnd));
|
|
428
|
2825
|
|
|
2826 #ifdef HAVE_TOOLBARS
|
|
442
|
2827 if (!NILP (mswindows_handle_toolbar_wm_command (frame, cid, id)))
|
|
|
2828 break;
|
|
428
|
2829 #endif
|
|
442
|
2830 /* widgets in a buffer only eval a callback for suitable events.*/
|
|
|
2831 switch (nid)
|
|
|
2832 {
|
|
|
2833 case BN_CLICKED:
|
|
|
2834 case EN_CHANGE:
|
|
|
2835 case CBN_EDITCHANGE:
|
|
|
2836 case CBN_SELCHANGE:
|
|
|
2837 if (!NILP (mswindows_handle_gui_wm_command (frame, cid, id)))
|
|
|
2838 return 0;
|
|
|
2839 }
|
|
|
2840 /* menubars always must come last since the hashtables do not
|
|
|
2841 always exist*/
|
|
428
|
2842 #ifdef HAVE_MENUBARS
|
|
442
|
2843 if (!NILP (mswindows_handle_wm_command (frame, id)))
|
|
|
2844 break;
|
|
428
|
2845 #endif
|
|
|
2846
|
|
442
|
2847 return DefWindowProc (hwnd, message_, wParam, lParam);
|
|
|
2848 /* Bite me - a spurious command. This used to not be able to
|
|
|
2849 happen but with the introduction of widgets its now
|
|
|
2850 possible. */
|
|
|
2851 }
|
|
|
2852 break;
|
|
|
2853
|
|
|
2854 case WM_CTLCOLORBTN:
|
|
|
2855 case WM_CTLCOLORLISTBOX:
|
|
|
2856 case WM_CTLCOLOREDIT:
|
|
|
2857 case WM_CTLCOLORSTATIC:
|
|
|
2858 case WM_CTLCOLORSCROLLBAR:
|
|
|
2859 {
|
|
|
2860 /* if we get an opportunity to paint a widget then do so if
|
|
|
2861 there is an appropriate face */
|
|
|
2862 HWND crtlwnd = (HWND)lParam;
|
|
|
2863 LONG ii = GetWindowLong (crtlwnd, GWL_USERDATA);
|
|
|
2864 if (ii)
|
|
|
2865 {
|
|
|
2866 Lisp_Object image_instance;
|
|
|
2867 VOID_TO_LISP (image_instance, ii);
|
|
|
2868 if (IMAGE_INSTANCEP (image_instance)
|
|
|
2869 &&
|
|
|
2870 IMAGE_INSTANCE_TYPE_P (image_instance, IMAGE_WIDGET))
|
|
|
2871 {
|
|
|
2872 /* set colors for the buttons */
|
|
|
2873 HDC hdc = (HDC)wParam;
|
|
|
2874 if (last_widget_brushed != ii)
|
|
|
2875 {
|
|
|
2876 if (widget_brush)
|
|
|
2877 DeleteObject (widget_brush);
|
|
|
2878 widget_brush = CreateSolidBrush
|
|
|
2879 (COLOR_INSTANCE_MSWINDOWS_COLOR
|
|
|
2880 (XCOLOR_INSTANCE
|
|
|
2881 (FACE_BACKGROUND
|
|
|
2882 (XIMAGE_INSTANCE_WIDGET_FACE (image_instance),
|
|
|
2883 XIMAGE_INSTANCE_FRAME (image_instance)))));
|
|
|
2884 }
|
|
|
2885 last_widget_brushed = ii;
|
|
|
2886 SetTextColor
|
|
|
2887 (hdc,
|
|
|
2888 COLOR_INSTANCE_MSWINDOWS_COLOR
|
|
|
2889 (XCOLOR_INSTANCE
|
|
|
2890 (FACE_FOREGROUND
|
|
|
2891 (XIMAGE_INSTANCE_WIDGET_FACE (image_instance),
|
|
|
2892 XIMAGE_INSTANCE_FRAME (image_instance)))));
|
|
|
2893 SetBkMode (hdc, OPAQUE);
|
|
|
2894 SetBkColor
|
|
|
2895 (hdc,
|
|
|
2896 COLOR_INSTANCE_MSWINDOWS_COLOR
|
|
|
2897 (XCOLOR_INSTANCE
|
|
|
2898 (FACE_BACKGROUND
|
|
|
2899 (XIMAGE_INSTANCE_WIDGET_FACE (image_instance),
|
|
|
2900 XIMAGE_INSTANCE_FRAME (image_instance)))));
|
|
|
2901 return (LRESULT)widget_brush;
|
|
|
2902 }
|
|
|
2903 }
|
|
|
2904 }
|
|
|
2905 goto defproc;
|
|
428
|
2906
|
|
|
2907 #ifdef HAVE_DRAGNDROP
|
|
442
|
2908 case WM_DROPFILES: /* implementation ripped-off from event-Xt.c */
|
|
|
2909 {
|
|
|
2910 UINT filecount, i, len;
|
|
|
2911 POINT point;
|
|
|
2912 char* filename;
|
|
|
2913 char* fname;
|
|
|
2914
|
|
|
2915 Lisp_Object l_dndlist = Qnil, l_item = Qnil;
|
|
|
2916 struct gcpro gcpro1, gcpro2, gcpro3;
|
|
|
2917
|
|
|
2918 emacs_event = Fmake_event (Qnil, Qnil);
|
|
|
2919 event = XEVENT(emacs_event);
|
|
|
2920
|
|
|
2921 GCPRO3 (emacs_event, l_dndlist, l_item);
|
|
|
2922
|
|
|
2923 if (!DragQueryPoint ((HDROP) wParam, &point))
|
|
|
2924 point.x = point.y = -1; /* outside client area */
|
|
|
2925
|
|
|
2926 event->event_type = misc_user_event;
|
|
|
2927 event->channel = mswindows_find_frame(hwnd);
|
|
|
2928 event->timestamp = GetMessageTime();
|
|
|
2929 event->event.misc.button = 1; /* #### Should try harder */
|
|
|
2930 event->event.misc.modifiers = mswindows_modifier_state (NULL,
|
|
|
2931 (DWORD) -1, 0);
|
|
|
2932 event->event.misc.x = point.x;
|
|
|
2933 event->event.misc.y = point.y;
|
|
|
2934 event->event.misc.function = Qdragdrop_drop_dispatch;
|
|
|
2935
|
|
|
2936 filecount = DragQueryFile ((HDROP) wParam, 0xffffffff, NULL, 0);
|
|
|
2937 for (i=0; i<filecount; i++)
|
|
|
2938 {
|
|
|
2939 len = DragQueryFile ((HDROP) wParam, i, NULL, 0);
|
|
|
2940 /* The URLs that we make here aren't correct according to section
|
|
|
2941 * 3.10 of rfc1738 because they're missing the //<host>/ part and
|
|
|
2942 * because they may contain reserved characters. But that's OK -
|
|
|
2943 * they just need to be good enough to keep dragdrop.el happy. */
|
|
|
2944 fname = (char *)xmalloc (len+1);
|
|
|
2945 DragQueryFile ((HANDLE) wParam, i, fname, len+1);
|
|
|
2946
|
|
|
2947 /* May be a shell link aka "shortcut" - replace fname if so */
|
|
|
2948 #if !(defined(CYGWIN) || defined(MINGW))
|
|
|
2949 /* cygwin doesn't define this COM stuff */
|
|
|
2950 if (!stricmp (fname + strlen (fname) - 4, ".LNK"))
|
|
|
2951 {
|
|
|
2952 IShellLink* psl;
|
|
|
2953
|
|
|
2954 if (CoCreateInstance (&CLSID_ShellLink, NULL,
|
|
|
2955 CLSCTX_INPROC_SERVER, &IID_IShellLink, &psl) == S_OK)
|
|
|
2956 {
|
|
|
2957 IPersistFile* ppf;
|
|
|
2958
|
|
|
2959 if (psl->lpVtbl->QueryInterface (psl, &IID_IPersistFile,
|
|
|
2960 &ppf) == S_OK)
|
|
|
2961 {
|
|
|
2962 WORD wsz[MAX_PATH];
|
|
|
2963 WIN32_FIND_DATA wfd;
|
|
|
2964 LPSTR resolved = (char *) xmalloc (MAX_PATH+1);
|
|
|
2965
|
|
|
2966 MultiByteToWideChar (CP_ACP,0, fname, -1, wsz, MAX_PATH);
|
|
|
2967
|
|
|
2968 if ((ppf->lpVtbl->Load (ppf, wsz, STGM_READ) == S_OK) &&
|
|
|
2969 (psl->lpVtbl->GetPath (psl, resolved, MAX_PATH,
|
|
|
2970 &wfd, 0)==S_OK))
|
|
|
2971 {
|
|
|
2972 xfree (fname);
|
|
|
2973 fname = resolved;
|
|
|
2974 len = strlen (fname);
|
|
|
2975 }
|
|
|
2976
|
|
|
2977 ppf->lpVtbl->Release (ppf);
|
|
|
2978 }
|
|
|
2979
|
|
|
2980 psl->lpVtbl->Release (psl);
|
|
|
2981 }
|
|
|
2982 }
|
|
428
|
2983 #endif
|
|
442
|
2984
|
|
|
2985 #ifdef CYGWIN
|
|
531
|
2986 filename = xmalloc (cygwin_win32_to_posix_path_list_buf_size (fname) + 5);
|
|
442
|
2987 strcpy (filename, "file:");
|
|
531
|
2988 cygwin_win32_to_posix_path_list (fname, filename+5);
|
|
428
|
2989 #else
|
|
442
|
2990 filename = (char *)xmalloc (len+6);
|
|
|
2991 strcat (strcpy (filename, "file:"), fname);
|
|
|
2992 dostounix_filename (filename+5);
|
|
428
|
2993 #endif
|
|
442
|
2994 xfree (fname);
|
|
|
2995 l_item = make_string (filename, strlen (filename));
|
|
|
2996 l_dndlist = Fcons (l_item, l_dndlist);
|
|
|
2997 xfree (filename);
|
|
|
2998 }
|
|
|
2999 DragFinish ((HDROP) wParam);
|
|
|
3000
|
|
|
3001 event->event.misc.object = Fcons (Qdragdrop_URL, l_dndlist);
|
|
|
3002 mswindows_enqueue_dispatch_event (emacs_event);
|
|
|
3003 UNGCPRO;
|
|
|
3004 }
|
|
|
3005 break;
|
|
|
3006 #endif
|
|
|
3007
|
|
|
3008 defproc:
|
|
|
3009 default:
|
|
|
3010 return DefWindowProc (hwnd, message_, wParam, lParam);
|
|
428
|
3011 }
|
|
|
3012 return (0);
|
|
|
3013 }
|
|
|
3014
|
|
|
3015
|
|
|
3016 /************************************************************************/
|
|
|
3017 /* keyboard, mouse & other helpers for the windows procedure */
|
|
|
3018 /************************************************************************/
|
|
|
3019 static void
|
|
|
3020 mswindows_set_chord_timer (HWND hwnd)
|
|
|
3021 {
|
|
|
3022 int interval;
|
|
|
3023
|
|
|
3024 /* We get one third half system double click threshold */
|
|
|
3025 if (mswindows_mouse_button_tolerance <= 0)
|
|
|
3026 interval = GetDoubleClickTime () / 3;
|
|
|
3027 else
|
|
|
3028 interval = mswindows_mouse_button_tolerance;
|
|
|
3029
|
|
|
3030 SetTimer (hwnd, BUTTON_2_TIMER_ID, interval, 0);
|
|
|
3031 }
|
|
|
3032
|
|
|
3033 static int
|
|
|
3034 mswindows_button2_near_enough (POINTS p1, POINTS p2)
|
|
|
3035 {
|
|
|
3036 int dx, dy;
|
|
|
3037 if (mswindows_mouse_button_max_skew_x <= 0)
|
|
|
3038 dx = GetSystemMetrics (SM_CXDOUBLECLK) / 2;
|
|
|
3039 else
|
|
|
3040 dx = mswindows_mouse_button_max_skew_x;
|
|
|
3041
|
|
|
3042 if (mswindows_mouse_button_max_skew_y <= 0)
|
|
|
3043 dy = GetSystemMetrics (SM_CYDOUBLECLK) / 2;
|
|
|
3044 else
|
|
|
3045 dy = mswindows_mouse_button_max_skew_y;
|
|
|
3046
|
|
|
3047 return abs (p1.x - p2.x) < dx && abs (p1.y- p2.y)< dy;
|
|
|
3048 }
|
|
|
3049
|
|
|
3050 static int
|
|
|
3051 mswindows_current_layout_has_AltGr (void)
|
|
|
3052 {
|
|
|
3053 /* This simple caching mechanism saves 10% of CPU
|
|
|
3054 time when a key typed at autorepeat rate of 30 cps! */
|
|
|
3055 static HKL last_hkl = 0;
|
|
|
3056 static int last_hkl_has_AltGr;
|
|
442
|
3057 HKL current_hkl = (HKL) -1;
|
|
|
3058
|
|
|
3059 if (xGetKeyboardLayout) /* not in NT 3.5 */
|
|
|
3060 current_hkl = xGetKeyboardLayout (0);
|
|
428
|
3061 if (current_hkl != last_hkl)
|
|
|
3062 {
|
|
|
3063 TCHAR c;
|
|
|
3064 last_hkl_has_AltGr = 0;
|
|
|
3065 /* In this loop, we query whether a character requires
|
|
|
3066 AltGr to be down to generate it. If at least such one
|
|
|
3067 found, this means that the layout does regard AltGr */
|
|
|
3068 for (c = ' '; c <= 0xFFU && c != 0 && !last_hkl_has_AltGr; ++c)
|
|
|
3069 if (HIBYTE (VkKeyScan (c)) == 6)
|
|
|
3070 last_hkl_has_AltGr = 1;
|
|
|
3071 last_hkl = current_hkl;
|
|
|
3072 }
|
|
|
3073 return last_hkl_has_AltGr;
|
|
|
3074 }
|
|
|
3075
|
|
|
3076
|
|
|
3077 /* Returns the state of the modifier keys in the format expected by the
|
|
|
3078 * Lisp_Event key_data, button_data and motion_data modifiers member */
|
|
442
|
3079 static int
|
|
|
3080 mswindows_modifier_state (BYTE* keymap, DWORD fwKeys, int has_AltGr)
|
|
428
|
3081 {
|
|
|
3082 int mods = 0;
|
|
442
|
3083 int keys_is_real = 0;
|
|
|
3084 BYTE keymap2[256];
|
|
|
3085
|
|
|
3086 if (fwKeys == (DWORD) -1)
|
|
|
3087 fwKeys = mswindows_last_mouse_button_state;
|
|
|
3088 else
|
|
|
3089 {
|
|
|
3090 keys_is_real = 1;
|
|
|
3091 mswindows_last_mouse_button_state = fwKeys;
|
|
|
3092 }
|
|
428
|
3093
|
|
|
3094 if (keymap == NULL)
|
|
|
3095 {
|
|
442
|
3096 keymap = keymap2;
|
|
428
|
3097 GetKeyboardState (keymap);
|
|
|
3098 has_AltGr = mswindows_current_layout_has_AltGr ();
|
|
|
3099 }
|
|
|
3100
|
|
442
|
3101 /* #### should look at fwKeys for MK_CONTROL. I don't understand how
|
|
|
3102 AltGr works. */
|
|
428
|
3103 if (has_AltGr && (keymap [VK_LCONTROL] & 0x80) && (keymap [VK_RMENU] & 0x80))
|
|
|
3104 {
|
|
442
|
3105 mods |= (keymap [VK_LMENU] & 0x80) ? XEMACS_MOD_META : 0;
|
|
|
3106 mods |= (keymap [VK_RCONTROL] & 0x80) ? XEMACS_MOD_CONTROL : 0;
|
|
428
|
3107 }
|
|
|
3108 else
|
|
|
3109 {
|
|
442
|
3110 mods |= (keymap [VK_MENU] & 0x80) ? XEMACS_MOD_META : 0;
|
|
|
3111 mods |= (keymap [VK_CONTROL] & 0x80) ? XEMACS_MOD_CONTROL : 0;
|
|
428
|
3112 }
|
|
|
3113
|
|
442
|
3114 mods |= (keys_is_real ? fwKeys & MK_SHIFT : (keymap [VK_SHIFT] & 0x80))
|
|
|
3115 ? XEMACS_MOD_SHIFT : 0;
|
|
|
3116 mods |= fwKeys & MK_LBUTTON ? XEMACS_MOD_BUTTON1 : 0;
|
|
|
3117 mods |= fwKeys & MK_MBUTTON ? XEMACS_MOD_BUTTON2 : 0;
|
|
|
3118 mods |= fwKeys & MK_RBUTTON ? XEMACS_MOD_BUTTON3 : 0;
|
|
428
|
3119
|
|
|
3120 return mods;
|
|
|
3121 }
|
|
|
3122
|
|
|
3123 /*
|
|
|
3124 * Translate a mswindows virtual key to a keysym.
|
|
|
3125 * Only returns non-Qnil for keys that don't generate WM_CHAR messages
|
|
|
3126 * or whose ASCII codes (like space) xemacs doesn't like.
|
|
|
3127 */
|
|
|
3128 Lisp_Object mswindows_key_to_emacs_keysym (int mswindows_key, int mods,
|
|
|
3129 int extendedp)
|
|
|
3130 {
|
|
|
3131 if (extendedp) /* Keys not present on a 82 key keyboard */
|
|
|
3132 {
|
|
|
3133 switch (mswindows_key)
|
|
|
3134 {
|
|
442
|
3135 case VK_CANCEL: return KEYSYM ("pause");
|
|
428
|
3136 case VK_RETURN: return KEYSYM ("kp-enter");
|
|
|
3137 case VK_PRIOR: return KEYSYM ("prior");
|
|
|
3138 case VK_NEXT: return KEYSYM ("next");
|
|
|
3139 case VK_END: return KEYSYM ("end");
|
|
|
3140 case VK_HOME: return KEYSYM ("home");
|
|
|
3141 case VK_LEFT: return KEYSYM ("left");
|
|
|
3142 case VK_UP: return KEYSYM ("up");
|
|
|
3143 case VK_RIGHT: return KEYSYM ("right");
|
|
|
3144 case VK_DOWN: return KEYSYM ("down");
|
|
|
3145 case VK_INSERT: return KEYSYM ("insert");
|
|
|
3146 case VK_DELETE: return QKdelete;
|
|
442
|
3147 #if 0 /* FSF Emacs allows these to return configurable syms/mods */
|
|
|
3148 case VK_LWIN return KEYSYM ("");
|
|
|
3149 case VK_RWIN return KEYSYM ("");
|
|
|
3150 #endif
|
|
|
3151 case VK_APPS: return KEYSYM ("menu");
|
|
428
|
3152 }
|
|
|
3153 }
|
|
|
3154 else
|
|
|
3155 {
|
|
|
3156 switch (mswindows_key)
|
|
|
3157 {
|
|
|
3158 case VK_BACK: return QKbackspace;
|
|
|
3159 case VK_TAB: return QKtab;
|
|
|
3160 case '\n': return QKlinefeed;
|
|
|
3161 case VK_CLEAR: return KEYSYM ("clear");
|
|
|
3162 case VK_RETURN: return QKreturn;
|
|
442
|
3163 case VK_PAUSE: return KEYSYM ("pause");
|
|
428
|
3164 case VK_ESCAPE: return QKescape;
|
|
|
3165 case VK_SPACE: return QKspace;
|
|
|
3166 case VK_PRIOR: return KEYSYM ("kp-prior");
|
|
|
3167 case VK_NEXT: return KEYSYM ("kp-next");
|
|
|
3168 case VK_END: return KEYSYM ("kp-end");
|
|
|
3169 case VK_HOME: return KEYSYM ("kp-home");
|
|
|
3170 case VK_LEFT: return KEYSYM ("kp-left");
|
|
|
3171 case VK_UP: return KEYSYM ("kp-up");
|
|
|
3172 case VK_RIGHT: return KEYSYM ("kp-right");
|
|
|
3173 case VK_DOWN: return KEYSYM ("kp-down");
|
|
|
3174 case VK_SELECT: return KEYSYM ("select");
|
|
|
3175 case VK_PRINT: return KEYSYM ("print");
|
|
|
3176 case VK_EXECUTE: return KEYSYM ("execute");
|
|
|
3177 case VK_SNAPSHOT: return KEYSYM ("print");
|
|
|
3178 case VK_INSERT: return KEYSYM ("kp-insert");
|
|
|
3179 case VK_DELETE: return KEYSYM ("kp-delete");
|
|
|
3180 case VK_HELP: return KEYSYM ("help");
|
|
|
3181 case VK_NUMPAD0: return KEYSYM ("kp-0");
|
|
|
3182 case VK_NUMPAD1: return KEYSYM ("kp-1");
|
|
|
3183 case VK_NUMPAD2: return KEYSYM ("kp-2");
|
|
|
3184 case VK_NUMPAD3: return KEYSYM ("kp-3");
|
|
|
3185 case VK_NUMPAD4: return KEYSYM ("kp-4");
|
|
|
3186 case VK_NUMPAD5: return KEYSYM ("kp-5");
|
|
|
3187 case VK_NUMPAD6: return KEYSYM ("kp-6");
|
|
|
3188 case VK_NUMPAD7: return KEYSYM ("kp-7");
|
|
|
3189 case VK_NUMPAD8: return KEYSYM ("kp-8");
|
|
|
3190 case VK_NUMPAD9: return KEYSYM ("kp-9");
|
|
|
3191 case VK_MULTIPLY: return KEYSYM ("kp-multiply");
|
|
|
3192 case VK_ADD: return KEYSYM ("kp-add");
|
|
|
3193 case VK_SEPARATOR: return KEYSYM ("kp-separator");
|
|
|
3194 case VK_SUBTRACT: return KEYSYM ("kp-subtract");
|
|
|
3195 case VK_DECIMAL: return KEYSYM ("kp-decimal");
|
|
|
3196 case VK_DIVIDE: return KEYSYM ("kp-divide");
|
|
|
3197 case VK_F1: return KEYSYM ("f1");
|
|
|
3198 case VK_F2: return KEYSYM ("f2");
|
|
|
3199 case VK_F3: return KEYSYM ("f3");
|
|
|
3200 case VK_F4: return KEYSYM ("f4");
|
|
|
3201 case VK_F5: return KEYSYM ("f5");
|
|
|
3202 case VK_F6: return KEYSYM ("f6");
|
|
|
3203 case VK_F7: return KEYSYM ("f7");
|
|
|
3204 case VK_F8: return KEYSYM ("f8");
|
|
|
3205 case VK_F9: return KEYSYM ("f9");
|
|
|
3206 case VK_F10: return KEYSYM ("f10");
|
|
|
3207 case VK_F11: return KEYSYM ("f11");
|
|
|
3208 case VK_F12: return KEYSYM ("f12");
|
|
|
3209 case VK_F13: return KEYSYM ("f13");
|
|
|
3210 case VK_F14: return KEYSYM ("f14");
|
|
|
3211 case VK_F15: return KEYSYM ("f15");
|
|
|
3212 case VK_F16: return KEYSYM ("f16");
|
|
|
3213 case VK_F17: return KEYSYM ("f17");
|
|
|
3214 case VK_F18: return KEYSYM ("f18");
|
|
|
3215 case VK_F19: return KEYSYM ("f19");
|
|
|
3216 case VK_F20: return KEYSYM ("f20");
|
|
|
3217 case VK_F21: return KEYSYM ("f21");
|
|
|
3218 case VK_F22: return KEYSYM ("f22");
|
|
|
3219 case VK_F23: return KEYSYM ("f23");
|
|
|
3220 case VK_F24: return KEYSYM ("f24");
|
|
|
3221 }
|
|
|
3222 }
|
|
|
3223 return Qnil;
|
|
|
3224 }
|
|
|
3225
|
|
|
3226 /*
|
|
|
3227 * Find the console that matches the supplied mswindows window handle
|
|
|
3228 */
|
|
|
3229 Lisp_Object
|
|
|
3230 mswindows_find_console (HWND hwnd)
|
|
|
3231 {
|
|
|
3232 /* We only support one console */
|
|
|
3233 return XCAR (Vconsole_list);
|
|
|
3234 }
|
|
|
3235
|
|
|
3236 /*
|
|
|
3237 * Find the frame that matches the supplied mswindows window handle
|
|
|
3238 */
|
|
|
3239 static Lisp_Object
|
|
|
3240 mswindows_find_frame (HWND hwnd)
|
|
|
3241 {
|
|
|
3242 LONG l = GetWindowLong (hwnd, XWL_FRAMEOBJ);
|
|
|
3243 Lisp_Object f;
|
|
|
3244 if (l == 0)
|
|
|
3245 {
|
|
|
3246 /* We are in progress of frame creation. Return the frame
|
|
|
3247 being created, as it still not remembered in the window
|
|
|
3248 extra storage. */
|
|
|
3249 assert (!NILP (Vmswindows_frame_being_created));
|
|
|
3250 return Vmswindows_frame_being_created;
|
|
|
3251 }
|
|
|
3252 VOID_TO_LISP (f, l);
|
|
|
3253 return f;
|
|
|
3254 }
|
|
|
3255
|
|
|
3256
|
|
|
3257 /************************************************************************/
|
|
|
3258 /* methods */
|
|
|
3259 /************************************************************************/
|
|
|
3260
|
|
|
3261 static int
|
|
|
3262 emacs_mswindows_add_timeout (EMACS_TIME thyme)
|
|
|
3263 {
|
|
|
3264 int milliseconds;
|
|
|
3265 EMACS_TIME current_time;
|
|
|
3266 EMACS_GET_TIME (current_time);
|
|
|
3267 EMACS_SUB_TIME (thyme, thyme, current_time);
|
|
|
3268 milliseconds = EMACS_SECS (thyme) * 1000 +
|
|
|
3269 (EMACS_USECS (thyme) + 500) / 1000;
|
|
|
3270 if (milliseconds < 1)
|
|
|
3271 milliseconds = 1;
|
|
|
3272 ++mswindows_pending_timers_count;
|
|
|
3273 return SetTimer (NULL, 0, milliseconds,
|
|
|
3274 (TIMERPROC) mswindows_wm_timer_callback);
|
|
|
3275 }
|
|
|
3276
|
|
|
3277 static void
|
|
|
3278 emacs_mswindows_remove_timeout (int id)
|
|
|
3279 {
|
|
440
|
3280 Lisp_Event match_against;
|
|
428
|
3281 Lisp_Object emacs_event;
|
|
|
3282
|
|
|
3283 if (KillTimer (NULL, id))
|
|
|
3284 --mswindows_pending_timers_count;
|
|
|
3285
|
|
|
3286 /* If there is a dispatch event generated by this
|
|
|
3287 timeout in the queue, we have to remove it too. */
|
|
|
3288 match_against.event_type = timeout_event;
|
|
|
3289 match_against.event.timeout.interval_id = id;
|
|
|
3290 emacs_event = mswindows_cancel_dispatch_event (&match_against);
|
|
|
3291 if (!NILP (emacs_event))
|
|
|
3292 Fdeallocate_event(emacs_event);
|
|
|
3293 }
|
|
|
3294
|
|
|
3295 /* If `user_p' is false, then return whether there are any win32, timeout,
|
|
|
3296 * or subprocess events pending (that is, whether
|
|
|
3297 * emacs_mswindows_next_event() would return immediately without blocking).
|
|
|
3298 *
|
|
|
3299 * if `user_p' is true, then return whether there are any *user generated*
|
|
|
3300 * events available (that is, whether there are keyboard or mouse-click
|
|
|
3301 * events ready to be read). This also implies that
|
|
|
3302 * emacs_mswindows_next_event() would not block.
|
|
|
3303 */
|
|
|
3304 static int
|
|
|
3305 emacs_mswindows_event_pending_p (int user_p)
|
|
|
3306 {
|
|
|
3307 mswindows_need_event (0);
|
|
|
3308 return (!NILP (mswindows_u_dispatch_event_queue)
|
|
|
3309 || (!user_p && !NILP (mswindows_s_dispatch_event_queue)));
|
|
|
3310 }
|
|
|
3311
|
|
|
3312 /*
|
|
|
3313 * Return the next event
|
|
|
3314 */
|
|
|
3315 static void
|
|
440
|
3316 emacs_mswindows_next_event (Lisp_Event *emacs_event)
|
|
428
|
3317 {
|
|
|
3318 Lisp_Object event, event2;
|
|
|
3319
|
|
|
3320 mswindows_need_event (1);
|
|
|
3321
|
|
|
3322 event = mswindows_dequeue_dispatch_event ();
|
|
|
3323 XSETEVENT (event2, emacs_event);
|
|
|
3324 Fcopy_event (event, event2);
|
|
|
3325 Fdeallocate_event (event);
|
|
|
3326 }
|
|
|
3327
|
|
|
3328 /*
|
|
|
3329 * Handle a magic event off the dispatch queue.
|
|
|
3330 */
|
|
|
3331 static void
|
|
440
|
3332 emacs_mswindows_handle_magic_event (Lisp_Event *emacs_event)
|
|
428
|
3333 {
|
|
|
3334 switch (EVENT_MSWINDOWS_MAGIC_TYPE(emacs_event))
|
|
|
3335 {
|
|
|
3336 case XM_BUMPQUEUE:
|
|
|
3337 break;
|
|
|
3338
|
|
442
|
3339 case WM_PAINT:
|
|
|
3340 {
|
|
|
3341 struct frame *f = XFRAME (EVENT_CHANNEL (emacs_event));
|
|
|
3342 mswindows_handle_paint (f);
|
|
|
3343 (FRAME_MSWINDOWS_DATA (f))->paint_pending = 0;
|
|
|
3344 }
|
|
|
3345 break;
|
|
|
3346
|
|
428
|
3347 case WM_SETFOCUS:
|
|
|
3348 case WM_KILLFOCUS:
|
|
|
3349 {
|
|
|
3350 Lisp_Object frame = EVENT_CHANNEL (emacs_event);
|
|
|
3351 struct frame *f = XFRAME (frame);
|
|
|
3352 int in_p = (EVENT_MSWINDOWS_MAGIC_TYPE(emacs_event) == WM_SETFOCUS);
|
|
|
3353 Lisp_Object conser;
|
|
442
|
3354 struct gcpro gcpro1;
|
|
|
3355
|
|
|
3356 /* On focus change, clear all memory of sticky modifiers
|
|
|
3357 to avoid non-intuitive behavior. */
|
|
|
3358 clear_sticky_modifiers ();
|
|
428
|
3359
|
|
|
3360 conser = Fcons (frame, Fcons (FRAME_DEVICE (f), in_p ? Qt : Qnil));
|
|
442
|
3361 GCPRO1 (conser);
|
|
428
|
3362 emacs_handle_focus_change_preliminary (conser);
|
|
|
3363 /* Under X the stuff up to here is done in the X event handler.
|
|
|
3364 I Don't know why */
|
|
|
3365 emacs_handle_focus_change_final (conser);
|
|
442
|
3366 UNGCPRO;
|
|
428
|
3367
|
|
|
3368 }
|
|
|
3369 break;
|
|
|
3370
|
|
|
3371 case XM_MAPFRAME:
|
|
|
3372 case XM_UNMAPFRAME:
|
|
|
3373 {
|
|
|
3374 Lisp_Object frame = EVENT_CHANNEL (emacs_event);
|
|
|
3375 va_run_hook_with_args (EVENT_MSWINDOWS_MAGIC_TYPE(emacs_event)
|
|
|
3376 == XM_MAPFRAME ?
|
|
|
3377 Qmap_frame_hook : Qunmap_frame_hook,
|
|
|
3378 1, frame);
|
|
|
3379 }
|
|
|
3380 break;
|
|
|
3381
|
|
|
3382 /* #### What about Enter & Leave */
|
|
|
3383 #if 0
|
|
|
3384 va_run_hook_with_args (in_p ? Qmouse_enter_frame_hook :
|
|
|
3385 Qmouse_leave_frame_hook, 1, frame);
|
|
|
3386 #endif
|
|
|
3387
|
|
|
3388 default:
|
|
|
3389 assert(0);
|
|
|
3390 }
|
|
|
3391 }
|
|
|
3392
|
|
|
3393 #ifndef HAVE_MSG_SELECT
|
|
|
3394 static HANDLE
|
|
440
|
3395 get_process_input_waitable (Lisp_Process *process)
|
|
428
|
3396 {
|
|
|
3397 Lisp_Object instr, outstr, p;
|
|
|
3398 XSETPROCESS (p, process);
|
|
|
3399 get_process_streams (process, &instr, &outstr);
|
|
|
3400 assert (!NILP (instr));
|
|
|
3401 #if defined (HAVE_SOCKETS) && !defined(HAVE_MSG_SELECT)
|
|
|
3402 return (network_connection_p (p)
|
|
|
3403 ? get_winsock_stream_waitable (XLSTREAM (instr))
|
|
|
3404 : get_ntpipe_input_stream_waitable (XLSTREAM (instr)));
|
|
|
3405 #else
|
|
442
|
3406 return get_ntpipe_input_stream_waitable (XLSTREAM (instr));
|
|
428
|
3407 #endif
|
|
|
3408 }
|
|
|
3409
|
|
|
3410 static void
|
|
440
|
3411 emacs_mswindows_select_process (Lisp_Process *process)
|
|
428
|
3412 {
|
|
|
3413 HANDLE hev = get_process_input_waitable (process);
|
|
|
3414
|
|
|
3415 if (!add_waitable_handle (hev))
|
|
|
3416 error ("Too many active processes");
|
|
|
3417
|
|
|
3418 #ifdef HAVE_WIN32_PROCESSES
|
|
|
3419 {
|
|
|
3420 Lisp_Object p;
|
|
|
3421 XSETPROCESS (p, process);
|
|
|
3422 if (!network_connection_p (p))
|
|
|
3423 {
|
|
|
3424 HANDLE hprocess = get_nt_process_handle (process);
|
|
|
3425 if (!add_waitable_handle (hprocess))
|
|
|
3426 {
|
|
|
3427 remove_waitable_handle (hev);
|
|
|
3428 error ("Too many active processes");
|
|
|
3429 }
|
|
|
3430 }
|
|
|
3431 }
|
|
|
3432 #endif
|
|
|
3433 }
|
|
|
3434
|
|
|
3435 static void
|
|
440
|
3436 emacs_mswindows_unselect_process (Lisp_Process *process)
|
|
428
|
3437 {
|
|
|
3438 /* Process handle is removed in the event loop as soon
|
|
|
3439 as it is signaled, so don't bother here about it */
|
|
|
3440 HANDLE hev = get_process_input_waitable (process);
|
|
|
3441 remove_waitable_handle (hev);
|
|
|
3442 }
|
|
|
3443 #endif /* HAVE_MSG_SELECT */
|
|
|
3444
|
|
|
3445 static void
|
|
|
3446 emacs_mswindows_select_console (struct console *con)
|
|
|
3447 {
|
|
|
3448 #ifdef HAVE_MSG_SELECT
|
|
|
3449 if (CONSOLE_MSWINDOWS_P (con))
|
|
|
3450 return; /* mswindows consoles are automatically selected */
|
|
|
3451
|
|
|
3452 event_stream_unixoid_select_console (con);
|
|
|
3453 #endif
|
|
|
3454 }
|
|
|
3455
|
|
|
3456 static void
|
|
|
3457 emacs_mswindows_unselect_console (struct console *con)
|
|
|
3458 {
|
|
|
3459 #ifdef HAVE_MSG_SELECT
|
|
|
3460 if (CONSOLE_MSWINDOWS_P (con))
|
|
|
3461 return; /* mswindows consoles are automatically selected */
|
|
|
3462
|
|
|
3463 event_stream_unixoid_unselect_console (con);
|
|
|
3464 #endif
|
|
|
3465 }
|
|
|
3466
|
|
|
3467 static void
|
|
|
3468 emacs_mswindows_quit_p (void)
|
|
|
3469 {
|
|
|
3470 /* Quit cannot happen in modal loop: all program
|
|
|
3471 input is dedicated to Windows. */
|
|
|
3472 if (mswindows_in_modal_loop)
|
|
|
3473 return;
|
|
|
3474
|
|
502
|
3475 /* Drain windows queue. This sets up number of quit characters in
|
|
|
3476 the queue. */
|
|
442
|
3477 mswindows_drain_windows_queue ();
|
|
428
|
3478
|
|
|
3479 if (mswindows_quit_chars_count > 0)
|
|
|
3480 {
|
|
|
3481 /* Yes there's a hidden one... Throw it away */
|
|
440
|
3482 Lisp_Event match_against;
|
|
428
|
3483 Lisp_Object emacs_event;
|
|
440
|
3484 int critical_p = 0;
|
|
428
|
3485
|
|
|
3486 match_against.event_type = key_press_event;
|
|
|
3487 match_against.event.key.modifiers = FAKE_MOD_QUIT;
|
|
|
3488
|
|
440
|
3489 while (mswindows_quit_chars_count-- > 0)
|
|
|
3490 {
|
|
|
3491 emacs_event = mswindows_cancel_dispatch_event (&match_against);
|
|
|
3492 assert (!NILP (emacs_event));
|
|
442
|
3493
|
|
502
|
3494 if (XEVENT (emacs_event)->event.key.modifiers &
|
|
|
3495 FAKE_MOD_QUIT_CRITICAL)
|
|
440
|
3496 critical_p = 1;
|
|
|
3497
|
|
502
|
3498 Fdeallocate_event (emacs_event);
|
|
440
|
3499 }
|
|
|
3500
|
|
|
3501 Vquit_flag = critical_p ? Qcritical : Qt;
|
|
428
|
3502 }
|
|
|
3503 }
|
|
|
3504
|
|
|
3505 USID
|
|
|
3506 emacs_mswindows_create_stream_pair (void* inhandle, void* outhandle,
|
|
|
3507 Lisp_Object* instream,
|
|
|
3508 Lisp_Object* outstream,
|
|
|
3509 int flags)
|
|
|
3510 {
|
|
|
3511 /* Handles for streams */
|
|
|
3512 HANDLE hin, hout;
|
|
|
3513 /* fds. These just stored along with the streams, and are closed in
|
|
|
3514 delete stream pair method, because we need to handle fake unices
|
|
|
3515 here. */
|
|
|
3516 int fdi, fdo;
|
|
|
3517
|
|
|
3518 /* Decode inhandle and outhandle. Their meaning depends on
|
|
|
3519 the process implementation being used. */
|
|
|
3520 #if defined (HAVE_WIN32_PROCESSES)
|
|
|
3521 /* We're passed in Windows handles. That's what we like most... */
|
|
|
3522 hin = (HANDLE) inhandle;
|
|
|
3523 hout = (HANDLE) outhandle;
|
|
|
3524 fdi = fdo = -1;
|
|
|
3525 #elif defined (HAVE_UNIX_PROCESSES)
|
|
|
3526 /* We are passed UNIX fds. This must be Cygwin.
|
|
|
3527 Fetch os handles */
|
|
|
3528 hin = inhandle >= 0 ? (HANDLE)get_osfhandle ((int)inhandle) : INVALID_HANDLE_VALUE;
|
|
|
3529 hout = outhandle >= 0 ? (HANDLE)get_osfhandle ((int)outhandle) : INVALID_HANDLE_VALUE;
|
|
|
3530 fdi=(int)inhandle;
|
|
|
3531 fdo=(int)outhandle;
|
|
|
3532 #else
|
|
|
3533 #error "So, WHICH kind of processes do you want?"
|
|
|
3534 #endif
|
|
|
3535
|
|
|
3536 *instream = (hin == INVALID_HANDLE_VALUE
|
|
|
3537 ? Qnil
|
|
|
3538 #if defined (HAVE_SOCKETS) && !defined (HAVE_MSG_SELECT)
|
|
|
3539 : flags & STREAM_NETWORK_CONNECTION
|
|
|
3540 ? make_winsock_input_stream ((SOCKET)hin, fdi)
|
|
|
3541 #endif
|
|
|
3542 : make_ntpipe_input_stream (hin, fdi));
|
|
|
3543
|
|
|
3544 #ifdef HAVE_WIN32_PROCESSES
|
|
|
3545 *outstream = (hout == INVALID_HANDLE_VALUE
|
|
|
3546 ? Qnil
|
|
|
3547 #if defined (HAVE_SOCKETS) && !defined (HAVE_MSG_SELECT)
|
|
|
3548 : flags & STREAM_NETWORK_CONNECTION
|
|
|
3549 ? make_winsock_output_stream ((SOCKET)hout, fdo)
|
|
|
3550 #endif
|
|
|
3551 : make_ntpipe_output_stream (hout, fdo));
|
|
|
3552 #elif defined (HAVE_UNIX_PROCESSES)
|
|
|
3553 *outstream = (fdo >= 0
|
|
|
3554 ? make_filedesc_output_stream (fdo, 0, -1, LSTR_BLOCKED_OK)
|
|
|
3555 : Qnil);
|
|
|
3556
|
|
535
|
3557 #if defined(HAVE_UNIX_PROCESSES)
|
|
428
|
3558 /* FLAGS is process->pty_flag for UNIX_PROCESSES */
|
|
|
3559 if ((flags & STREAM_PTY_FLUSHING) && fdo >= 0)
|
|
|
3560 {
|
|
|
3561 Bufbyte eof_char = get_eof_char (fdo);
|
|
|
3562 int pty_max_bytes = get_pty_max_bytes (fdo);
|
|
|
3563 filedesc_stream_set_pty_flushing (XLSTREAM(*outstream), pty_max_bytes, eof_char);
|
|
|
3564 }
|
|
|
3565 #endif
|
|
|
3566 #endif
|
|
|
3567
|
|
|
3568 return (NILP (*instream)
|
|
|
3569 ? USID_ERROR
|
|
|
3570 #if defined(HAVE_SOCKETS) && !defined(HAVE_MSG_SELECT)
|
|
|
3571 : flags & STREAM_NETWORK_CONNECTION
|
|
|
3572 ? HANDLE_TO_USID (get_winsock_stream_waitable (XLSTREAM (*instream)))
|
|
|
3573 #endif
|
|
|
3574 : HANDLE_TO_USID (get_ntpipe_input_stream_waitable (XLSTREAM (*instream))));
|
|
|
3575 }
|
|
|
3576
|
|
|
3577 USID
|
|
|
3578 emacs_mswindows_delete_stream_pair (Lisp_Object instream,
|
|
442
|
3579 Lisp_Object outstream)
|
|
428
|
3580 {
|
|
|
3581 /* Oh nothing special here for Win32 at all */
|
|
|
3582 #if defined (HAVE_UNIX_PROCESSES)
|
|
|
3583 int in = (NILP(instream)
|
|
|
3584 ? -1
|
|
|
3585 #if defined(HAVE_SOCKETS) && !defined(HAVE_MSG_SELECT)
|
|
|
3586 : LSTREAM_TYPE_P (XLSTREAM (instream), winsock)
|
|
|
3587 ? get_winsock_stream_param (XLSTREAM (instream))
|
|
|
3588 #endif
|
|
|
3589 : get_ntpipe_input_stream_param (XLSTREAM (instream)));
|
|
|
3590 int out = (NILP(outstream) ? -1
|
|
|
3591 : filedesc_stream_fd (XLSTREAM (outstream)));
|
|
|
3592
|
|
|
3593 if (in >= 0)
|
|
|
3594 close (in);
|
|
|
3595 if (out != in && out >= 0)
|
|
|
3596 close (out);
|
|
|
3597 #endif
|
|
|
3598
|
|
|
3599 return (NILP (instream)
|
|
|
3600 ? USID_DONTHASH
|
|
|
3601 #if defined(HAVE_SOCKETS) && !defined(HAVE_MSG_SELECT)
|
|
|
3602 : LSTREAM_TYPE_P (XLSTREAM (instream), winsock)
|
|
|
3603 ? HANDLE_TO_USID (get_winsock_stream_waitable (XLSTREAM (instream)))
|
|
|
3604 #endif
|
|
|
3605 : HANDLE_TO_USID (get_ntpipe_input_stream_waitable (XLSTREAM (instream))));
|
|
|
3606 }
|
|
|
3607
|
|
442
|
3608 static int
|
|
|
3609 emacs_mswindows_current_event_timestamp (struct console *c)
|
|
|
3610 {
|
|
|
3611 return GetTickCount ();
|
|
|
3612 }
|
|
|
3613
|
|
428
|
3614 #ifndef HAVE_X_WINDOWS
|
|
|
3615 /* This is called from GC when a process object is about to be freed.
|
|
|
3616 If we've still got pointers to it in this file, we're gonna lose hard.
|
|
|
3617 */
|
|
|
3618 void
|
|
440
|
3619 debug_process_finalization (Lisp_Process *p)
|
|
428
|
3620 {
|
|
|
3621 #if 0 /* #### */
|
|
|
3622 Lisp_Object instr, outstr;
|
|
|
3623
|
|
|
3624 get_process_streams (p, &instr, &outstr);
|
|
|
3625 /* if it still has fds, then it hasn't been killed yet. */
|
|
|
3626 assert (NILP(instr));
|
|
|
3627 assert (NILP(outstr));
|
|
|
3628
|
|
|
3629 /* #### More checks here */
|
|
|
3630 #endif
|
|
|
3631 }
|
|
|
3632 #endif
|
|
|
3633
|
|
|
3634 /************************************************************************/
|
|
|
3635 /* initialization */
|
|
|
3636 /************************************************************************/
|
|
|
3637
|
|
|
3638 void
|
|
|
3639 reinit_vars_of_event_mswindows (void)
|
|
|
3640 {
|
|
|
3641 mswindows_in_modal_loop = 0;
|
|
|
3642 mswindows_pending_timers_count = 0;
|
|
|
3643
|
|
|
3644 mswindows_event_stream = xnew (struct event_stream);
|
|
|
3645
|
|
|
3646 mswindows_event_stream->event_pending_p = emacs_mswindows_event_pending_p;
|
|
442
|
3647 mswindows_event_stream->force_event_pending = 0;
|
|
428
|
3648 mswindows_event_stream->next_event_cb = emacs_mswindows_next_event;
|
|
|
3649 mswindows_event_stream->handle_magic_event_cb = emacs_mswindows_handle_magic_event;
|
|
|
3650 mswindows_event_stream->add_timeout_cb = emacs_mswindows_add_timeout;
|
|
|
3651 mswindows_event_stream->remove_timeout_cb = emacs_mswindows_remove_timeout;
|
|
|
3652 mswindows_event_stream->quit_p_cb = emacs_mswindows_quit_p;
|
|
|
3653 mswindows_event_stream->select_console_cb = emacs_mswindows_select_console;
|
|
|
3654 mswindows_event_stream->unselect_console_cb = emacs_mswindows_unselect_console;
|
|
|
3655 #ifdef HAVE_MSG_SELECT
|
|
|
3656 mswindows_event_stream->select_process_cb =
|
|
440
|
3657 (void (*)(Lisp_Process*))event_stream_unixoid_select_process;
|
|
428
|
3658 mswindows_event_stream->unselect_process_cb =
|
|
440
|
3659 (void (*)(Lisp_Process*))event_stream_unixoid_unselect_process;
|
|
428
|
3660 mswindows_event_stream->create_stream_pair_cb = event_stream_unixoid_create_stream_pair;
|
|
|
3661 mswindows_event_stream->delete_stream_pair_cb = event_stream_unixoid_delete_stream_pair;
|
|
|
3662 #else
|
|
|
3663 mswindows_event_stream->select_process_cb = emacs_mswindows_select_process;
|
|
|
3664 mswindows_event_stream->unselect_process_cb = emacs_mswindows_unselect_process;
|
|
|
3665 mswindows_event_stream->create_stream_pair_cb = emacs_mswindows_create_stream_pair;
|
|
|
3666 mswindows_event_stream->delete_stream_pair_cb = emacs_mswindows_delete_stream_pair;
|
|
|
3667 #endif
|
|
442
|
3668 mswindows_event_stream->current_event_timestamp_cb =
|
|
|
3669 emacs_mswindows_current_event_timestamp;
|
|
428
|
3670 }
|
|
|
3671
|
|
|
3672 void
|
|
|
3673 vars_of_event_mswindows (void)
|
|
|
3674 {
|
|
|
3675 reinit_vars_of_event_mswindows ();
|
|
|
3676
|
|
|
3677 mswindows_u_dispatch_event_queue = Qnil;
|
|
|
3678 staticpro (&mswindows_u_dispatch_event_queue);
|
|
|
3679 mswindows_u_dispatch_event_queue_tail = Qnil;
|
|
452
|
3680 dump_add_root_object (&mswindows_u_dispatch_event_queue_tail);
|
|
428
|
3681
|
|
|
3682 mswindows_s_dispatch_event_queue = Qnil;
|
|
|
3683 staticpro (&mswindows_s_dispatch_event_queue);
|
|
|
3684 mswindows_s_dispatch_event_queue_tail = Qnil;
|
|
452
|
3685 dump_add_root_object (&mswindows_s_dispatch_event_queue_tail);
|
|
428
|
3686
|
|
|
3687 mswindows_error_caught_in_modal_loop = Qnil;
|
|
|
3688 staticpro (&mswindows_error_caught_in_modal_loop);
|
|
|
3689
|
|
442
|
3690
|
|
|
3691 #ifdef DEBUG_XEMACS
|
|
|
3692 DEFVAR_INT ("debug-mswindows-events", &debug_mswindows_events /*
|
|
|
3693 If non-zero, display debug information about Windows events that XEmacs sees.
|
|
|
3694 Information is displayed in a console window. Currently defined values are:
|
|
|
3695
|
|
|
3696 1 == non-verbose output
|
|
|
3697 2 == verbose output
|
|
|
3698
|
|
|
3699 #### Unfortunately, not yet implemented.
|
|
|
3700 */ );
|
|
|
3701 debug_mswindows_events = 0;
|
|
|
3702 #endif
|
|
|
3703
|
|
|
3704 DEFVAR_BOOL ("mswindows-alt-by-itself-activates-menu",
|
|
|
3705 &mswindows_alt_by_itself_activates_menu /*
|
|
|
3706 *Controls whether pressing and releasing the Alt key activates the menubar.
|
|
|
3707 This applies only if no intervening key was pressed. See also
|
|
|
3708 `menu-accelerator-enabled', which is probably the behavior you actually want.
|
|
428
|
3709 Default is t.
|
|
|
3710 */ );
|
|
|
3711
|
|
442
|
3712 DEFVAR_BOOL ("mswindows-dynamic-frame-resize",
|
|
|
3713 &mswindows_dynamic_frame_resize /*
|
|
428
|
3714 *Controls redrawing frame contents during mouse-drag or keyboard resize
|
|
|
3715 operation. When non-nil, the frame is redrawn while being resized. When
|
|
|
3716 nil, frame is not redrawn, and exposed areas are filled with default
|
|
|
3717 MDI application background color. Note that this option only has effect
|
|
|
3718 if "Show window contents while dragging" is on in system Display/Plus!
|
|
|
3719 settings.
|
|
|
3720 Default is t on fast machines, nil on slow.
|
|
|
3721 */ );
|
|
|
3722
|
|
442
|
3723 DEFVAR_INT ("mswindows-mouse-button-tolerance",
|
|
|
3724 &mswindows_mouse_button_tolerance /*
|
|
428
|
3725 *Analogue of double click interval for faking middle mouse events.
|
|
|
3726 The value is the minimum time in milliseconds that must elapse between
|
|
|
3727 left/right button down events before they are considered distinct events.
|
|
|
3728 If both mouse buttons are depressed within this interval, a middle mouse
|
|
|
3729 button down event is generated instead.
|
|
|
3730 If negative or zero, currently set system default is used instead.
|
|
|
3731 */ );
|
|
|
3732
|
|
|
3733 DEFVAR_INT ("mswindows-num-mouse-buttons", &mswindows_num_mouse_buttons /*
|
|
|
3734 Number of physical mouse buttons.
|
|
|
3735 */ );
|
|
|
3736
|
|
442
|
3737 DEFVAR_INT ("mswindows-mouse-button-max-skew-x",
|
|
|
3738 &mswindows_mouse_button_max_skew_x /*
|
|
428
|
3739 *Maximum horizontal distance in pixels between points in which left and
|
|
|
3740 right button clicks occurred for them to be translated into single
|
|
|
3741 middle button event. Clicks must occur in time not longer than defined
|
|
|
3742 by the variable `mswindows-mouse-button-tolerance'.
|
|
|
3743 If negative or zero, currently set system default is used instead.
|
|
|
3744 */ );
|
|
|
3745
|
|
442
|
3746 DEFVAR_INT ("mswindows-mouse-button-max-skew-y",
|
|
|
3747 &mswindows_mouse_button_max_skew_y /*
|
|
428
|
3748 *Maximum vertical distance in pixels between points in which left and
|
|
|
3749 right button clicks occurred for them to be translated into single
|
|
|
3750 middle button event. Clicks must occur in time not longer than defined
|
|
|
3751 by the variable `mswindows-mouse-button-tolerance'.
|
|
|
3752 If negative or zero, currently set system default is used instead.
|
|
|
3753 */ );
|
|
|
3754
|
|
|
3755 mswindows_mouse_button_max_skew_x = 0;
|
|
|
3756 mswindows_mouse_button_max_skew_y = 0;
|
|
|
3757 mswindows_mouse_button_tolerance = 0;
|
|
442
|
3758 mswindows_alt_by_itself_activates_menu = 1;
|
|
428
|
3759 }
|
|
|
3760
|
|
|
3761 void
|
|
|
3762 syms_of_event_mswindows (void)
|
|
|
3763 {
|
|
|
3764 }
|
|
|
3765
|
|
|
3766 void
|
|
|
3767 lstream_type_create_mswindows_selectable (void)
|
|
|
3768 {
|
|
|
3769 init_slurp_stream ();
|
|
|
3770 init_shove_stream ();
|
|
502
|
3771 #if defined (HAVE_SOCKETS) && !defined (HAVE_MSG_SELECT)
|
|
428
|
3772 init_winsock_stream ();
|
|
|
3773 #endif
|
|
|
3774 }
|
|
|
3775
|
|
|
3776 void
|
|
|
3777 init_event_mswindows_late (void)
|
|
|
3778 {
|
|
|
3779 #ifdef HAVE_MSG_SELECT
|
|
|
3780 windows_fd = open("/dev/windows", O_RDONLY | O_NONBLOCK, 0);
|
|
|
3781 assert (windows_fd>=0);
|
|
|
3782 FD_SET (windows_fd, &input_wait_mask);
|
|
|
3783 FD_ZERO(&zero_mask);
|
|
|
3784 #endif
|
|
|
3785
|
|
|
3786 event_stream = mswindows_event_stream;
|
|
|
3787
|
|
|
3788 mswindows_dynamic_frame_resize = !GetSystemMetrics (SM_SLOWMACHINE);
|
|
|
3789 mswindows_num_mouse_buttons = GetSystemMetrics (SM_CMOUSEBUTTONS);
|
|
|
3790 }
|
