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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
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61 #include "window.h"
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428
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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 #include "events-mod.h"
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69 #ifdef HAVE_MSG_SELECT
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70 #include "sysfile.h"
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71 #include "console-tty.h"
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442
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72 #elif defined(CYGWIN)
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428
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73 typedef unsigned int SOCKET;
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74 #endif
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75 #include <io.h>
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76 #include <errno.h>
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77
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442
|
78 #if !(defined(CYGWIN) || defined(MINGW))
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79 # include <shlobj.h> /* For IShellLink */
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428
|
80 #endif
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81
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82 #ifdef HAVE_MENUBARS
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83 #define ADJR_MENUFLAG TRUE
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84 #else
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85 #define ADJR_MENUFLAG FALSE
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86 #endif
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87
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88 /* Fake key modifier which is attached to a quit char event.
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89 Removed upon dequeueing an event */
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90 #define FAKE_MOD_QUIT 0x80
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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
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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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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
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148 int mswindows_alt_by_itself_activates_menu;
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428
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149 int mswindows_num_mouse_buttons;
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150 int mswindows_mouse_button_max_skew_x;
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151 int mswindows_mouse_button_max_skew_y;
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152 int mswindows_mouse_button_tolerance;
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153
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442
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154 #ifdef DEBUG_XEMACS
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155 int debug_mswindows_events;
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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
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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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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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|
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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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|
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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 }
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|
|
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);
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|
|
349
|
|
|
350 lstr->flags |= LSTREAM_FL_CLOSE_AT_DISKSAVE;
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|
|
351 XSETLSTREAM (obj, lstr);
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|
|
352 return obj;
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|
|
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
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|
|
363 get_ntpipe_input_stream_waitable (Lstream *stream)
|
|
|
364 {
|
|
|
365 struct ntpipe_slurp_stream* s = NTPIPE_SLURP_STREAM_DATA(stream);
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|
|
366 return s->thread_data->hev_caller;
|
|
|
367 }
|
|
|
368
|
|
|
369 static ssize_t
|
|
|
370 ntpipe_slurp_reader (Lstream *stream, unsigned char *data, size_t size)
|
|
|
371 {
|
|
|
372 /* This function must be called from the main thread only */
|
|
|
373 struct ntpipe_slurp_stream_shared_data* s =
|
|
|
374 NTPIPE_SLURP_STREAM_DATA(stream)->thread_data;
|
|
|
375
|
|
|
376 if (!s->die_p)
|
|
|
377 {
|
|
|
378 DWORD wait_result;
|
|
|
379 /* Disallow pipe read delay for the thread: we need a character
|
|
|
380 ASAP */
|
|
|
381 SetEvent (s->hev_unsleep);
|
|
|
382
|
|
|
383 /* Check if we have a character ready. Give it a short delay,
|
|
|
384 for the thread to awake from pipe delay, just ion case*/
|
|
|
385 wait_result = WaitForSingleObject (s->hev_caller, 2);
|
|
|
386
|
|
|
387 /* Revert to the normal sleep behavior. */
|
|
|
388 ResetEvent (s->hev_unsleep);
|
|
|
389
|
|
|
390 /* If there's no byte buffered yet, give up */
|
|
|
391 if (wait_result == WAIT_TIMEOUT)
|
|
|
392 {
|
|
|
393 errno = EAGAIN;
|
|
|
394 return -1;
|
|
|
395 }
|
|
|
396 }
|
|
|
397
|
|
|
398 /* Reset caller unlock event now, as we've handled the pending
|
|
|
399 process output event */
|
|
|
400 ResetEvent (s->hev_caller);
|
|
|
401
|
|
|
402 /* It is now safe to do anything with contents of S, except for
|
|
|
403 changing s->die_p, which still should be interlocked */
|
|
|
404
|
|
|
405 if (s->eof_p)
|
|
|
406 return 0;
|
|
|
407 if (s->error_p || s->die_p)
|
|
|
408 return -1;
|
|
|
409
|
|
|
410 /* Ok, there were no error neither eof - we've got a byte from the
|
|
|
411 pipe */
|
|
|
412 *(data++) = s->onebyte;
|
|
|
413 --size;
|
|
|
414
|
|
|
415 {
|
|
|
416 DWORD bytes_read = 0;
|
|
|
417 if (size > 0)
|
|
|
418 {
|
|
|
419 DWORD bytes_available;
|
|
|
420
|
|
|
421 /* If the api call fails, return at least one byte already
|
|
|
422 read. ReadFile in thread will return error */
|
|
|
423 if (PeekNamedPipe (s->hpipe, NULL, 0, NULL, &bytes_available, NULL))
|
|
|
424 {
|
|
|
425
|
|
|
426 /* Fetch available bytes. The same consideration applies,
|
|
|
427 so do not check for errors. ReadFile in the thread will
|
|
|
428 fail if the next call fails. */
|
|
|
429 if (bytes_available)
|
|
|
430 ReadFile (s->hpipe, data, min (bytes_available, size),
|
|
|
431 &bytes_read, NULL);
|
|
|
432 }
|
|
|
433
|
|
|
434 /* Now we can unblock thread, so it attempts to read more */
|
|
|
435 SetEvent (s->hev_thread);
|
|
|
436 return bytes_read + 1;
|
|
|
437 }
|
|
|
438 }
|
|
|
439 return 0;
|
|
|
440 }
|
|
|
441
|
|
|
442 static int
|
|
|
443 ntpipe_slurp_closer (Lstream *stream)
|
|
|
444 {
|
|
|
445 /* This function must be called from the main thread only */
|
|
|
446 struct ntpipe_slurp_stream_shared_data* s =
|
|
|
447 NTPIPE_SLURP_STREAM_DATA(stream)->thread_data;
|
|
|
448
|
|
|
449 /* Force thread to stop */
|
|
|
450 InterlockedIncrement (&s->die_p);
|
|
|
451
|
|
|
452 /* Set events which could possibly block slurper. Let it finish soon
|
|
|
453 or later. */
|
|
|
454 SetEvent (s->hev_unsleep);
|
|
|
455 SetEvent (s->hev_thread);
|
|
|
456
|
|
|
457 /* Unlock and maybe free shared data */
|
|
|
458 slurper_free_shared_data_maybe (s);
|
|
|
459
|
|
|
460 return 0;
|
|
|
461 }
|
|
|
462
|
|
|
463 static void
|
|
|
464 init_slurp_stream (void)
|
|
|
465 {
|
|
|
466 LSTREAM_HAS_METHOD (ntpipe_slurp, reader);
|
|
|
467 LSTREAM_HAS_METHOD (ntpipe_slurp, closer);
|
|
|
468 }
|
|
|
469
|
|
|
470 /************************************************************************/
|
|
|
471 /* Pipe outstream - writes process input */
|
|
|
472 /************************************************************************/
|
|
|
473
|
|
|
474 #define NTPIPE_SHOVE_STREAM_DATA(stream) \
|
|
|
475 LSTREAM_TYPE_DATA (stream, ntpipe_shove)
|
|
|
476
|
|
442
|
477 #define MAX_SHOVE_BUFFER_SIZE 512
|
|
428
|
478
|
|
|
479 struct ntpipe_shove_stream
|
|
|
480 {
|
|
|
481 LPARAM user_data; /* Any user data stored in the stream object */
|
|
|
482 HANDLE hev_thread; /* Our thread blocks on this, signaled by caller */
|
|
442
|
483 /* This is an auto-reset object. */
|
|
428
|
484 HANDLE hpipe; /* Pipe write end handle. */
|
|
|
485 HANDLE hthread; /* Reader thread handle. */
|
|
|
486 char buffer[MAX_SHOVE_BUFFER_SIZE]; /* Buffer being written */
|
|
|
487 DWORD size; /* Number of bytes to write */
|
|
|
488 LONG die_p; /* Thread must exit ASAP if non-zero */
|
|
|
489 LONG idle_p; /* Non-zero if thread is waiting for job */
|
|
|
490 BOOL error_p : 1; /* Read error other than EOF/broken pipe */
|
|
|
491 BOOL blocking_p : 1;/* Last write attempt would cause blocking */
|
|
|
492 };
|
|
|
493
|
|
|
494 DEFINE_LSTREAM_IMPLEMENTATION ("ntpipe-output", lstream_ntpipe_shove,
|
|
|
495 sizeof (struct ntpipe_shove_stream));
|
|
|
496
|
|
|
497 #ifndef HAVE_MSG_SELECT
|
|
|
498 static DWORD WINAPI
|
|
|
499 shove_thread (LPVOID vparam)
|
|
|
500 {
|
|
|
501 struct ntpipe_shove_stream *s = (struct ntpipe_shove_stream*) vparam;
|
|
|
502
|
|
|
503 for (;;)
|
|
|
504 {
|
|
|
505 DWORD bytes_written;
|
|
|
506
|
|
|
507 /* Block on event and wait for a job */
|
|
|
508 InterlockedIncrement (&s->idle_p);
|
|
|
509 WaitForSingleObject (s->hev_thread, INFINITE);
|
|
|
510
|
|
442
|
511 /* Write passed buffer if any */
|
|
|
512 if (s->size > 0)
|
|
428
|
513 {
|
|
442
|
514 if (!WriteFile (s->hpipe, s->buffer, s->size, &bytes_written, NULL)
|
|
|
515 || bytes_written != s->size)
|
|
|
516 {
|
|
|
517 s->error_p = TRUE;
|
|
|
518 InterlockedIncrement (&s->die_p);
|
|
|
519 }
|
|
|
520 /* Set size to zero so we won't write it again if the closer sets
|
|
|
521 die_p and kicks us */
|
|
|
522 s->size = 0;
|
|
428
|
523 }
|
|
|
524
|
|
|
525 if (s->die_p)
|
|
|
526 break;
|
|
|
527 }
|
|
|
528
|
|
|
529 return 0;
|
|
|
530 }
|
|
|
531
|
|
|
532 static Lisp_Object
|
|
|
533 make_ntpipe_output_stream (HANDLE hpipe, LPARAM param)
|
|
|
534 {
|
|
|
535 Lisp_Object obj;
|
|
|
536 Lstream *lstr = Lstream_new (lstream_ntpipe_shove, "w");
|
|
|
537 struct ntpipe_shove_stream* s = NTPIPE_SHOVE_STREAM_DATA (lstr);
|
|
|
538 DWORD thread_id_unused;
|
|
|
539
|
|
|
540 s->die_p = 0;
|
|
|
541 s->error_p = FALSE;
|
|
|
542 s->hpipe = hpipe;
|
|
|
543 s->user_data = param;
|
|
|
544
|
|
|
545 /* Create reader thread. This could fail, so do not
|
|
|
546 create the event until thread is created */
|
|
|
547 s->hthread = CreateThread (NULL, 0, shove_thread, (LPVOID)s,
|
|
|
548 CREATE_SUSPENDED, &thread_id_unused);
|
|
|
549 if (s->hthread == NULL)
|
|
|
550 {
|
|
|
551 Lstream_delete (lstr);
|
|
|
552 return Qnil;
|
|
|
553 }
|
|
|
554
|
|
442
|
555 /* Set the priority of the thread higher so we don't end up waiting
|
|
|
556 on it to send things. */
|
|
|
557 if (!SetThreadPriority (s->hthread, THREAD_PRIORITY_HIGHEST))
|
|
|
558 {
|
|
|
559 CloseHandle (s->hthread);
|
|
|
560 Lstream_delete (lstr);
|
|
|
561 return Qnil;
|
|
|
562 }
|
|
|
563
|
|
428
|
564 /* hev_thread is an auto-reset event, initially nonsignaled */
|
|
|
565 s->hev_thread = CreateEvent (NULL, FALSE, FALSE, NULL);
|
|
|
566
|
|
|
567 /* Now let it go */
|
|
|
568 ResumeThread (s->hthread);
|
|
|
569
|
|
|
570 lstr->flags |= LSTREAM_FL_CLOSE_AT_DISKSAVE;
|
|
|
571 XSETLSTREAM (obj, lstr);
|
|
|
572 return obj;
|
|
|
573 }
|
|
|
574
|
|
|
575 static LPARAM
|
|
|
576 get_ntpipe_output_stream_param (Lstream *stream)
|
|
|
577 {
|
|
|
578 struct ntpipe_shove_stream* s = NTPIPE_SHOVE_STREAM_DATA(stream);
|
|
|
579 return s->user_data;
|
|
|
580 }
|
|
|
581 #endif
|
|
|
582
|
|
|
583 static ssize_t
|
|
|
584 ntpipe_shove_writer (Lstream *stream, const unsigned char *data, size_t size)
|
|
|
585 {
|
|
|
586 struct ntpipe_shove_stream* s = NTPIPE_SHOVE_STREAM_DATA(stream);
|
|
|
587
|
|
|
588 if (s->error_p)
|
|
|
589 return -1;
|
|
|
590
|
|
|
591 s->blocking_p = !s->idle_p;
|
|
|
592 if (s->blocking_p)
|
|
|
593 return 0;
|
|
|
594
|
|
|
595 if (size>MAX_SHOVE_BUFFER_SIZE)
|
|
|
596 return 0;
|
|
|
597
|
|
|
598 memcpy (s->buffer, data, size);
|
|
|
599 s->size = size;
|
|
|
600
|
|
|
601 /* Start output */
|
|
|
602 InterlockedDecrement (&s->idle_p);
|
|
|
603 SetEvent (s->hev_thread);
|
|
442
|
604 /* Give it a chance to run -- this dramatically improves performance
|
|
|
605 of things like crypt. */
|
|
|
606 if (xSwitchToThread) /* not in Win9x or NT 3.51 */
|
|
|
607 (void) xSwitchToThread ();
|
|
428
|
608 return size;
|
|
|
609 }
|
|
|
610
|
|
|
611 static int
|
|
|
612 ntpipe_shove_was_blocked_p (Lstream *stream)
|
|
|
613 {
|
|
|
614 struct ntpipe_shove_stream* s = NTPIPE_SHOVE_STREAM_DATA(stream);
|
|
|
615 return s->blocking_p;
|
|
|
616 }
|
|
|
617
|
|
|
618 static int
|
|
|
619 ntpipe_shove_closer (Lstream *stream)
|
|
|
620 {
|
|
|
621 struct ntpipe_shove_stream* s = NTPIPE_SHOVE_STREAM_DATA(stream);
|
|
|
622
|
|
|
623 /* Force thread stop */
|
|
|
624 InterlockedIncrement (&s->die_p);
|
|
|
625
|
|
442
|
626 /* Thread will end upon unblocking. If it's already unblocked this will
|
|
|
627 do nothing, but the thread won't look at die_p until it's written any
|
|
|
628 pending output. */
|
|
428
|
629 SetEvent (s->hev_thread);
|
|
|
630
|
|
|
631 /* Wait while thread terminates */
|
|
|
632 WaitForSingleObject (s->hthread, INFINITE);
|
|
442
|
633
|
|
|
634 /* Close pipe handle, possibly breaking it */
|
|
|
635 CloseHandle (s->hpipe);
|
|
|
636
|
|
|
637 /* Close the thread handle */
|
|
428
|
638 CloseHandle (s->hthread);
|
|
|
639
|
|
|
640 /* Destroy the event */
|
|
|
641 CloseHandle (s->hev_thread);
|
|
|
642
|
|
|
643 return 0;
|
|
|
644 }
|
|
|
645
|
|
|
646 static void
|
|
|
647 init_shove_stream (void)
|
|
|
648 {
|
|
|
649 LSTREAM_HAS_METHOD (ntpipe_shove, writer);
|
|
|
650 LSTREAM_HAS_METHOD (ntpipe_shove, was_blocked_p);
|
|
|
651 LSTREAM_HAS_METHOD (ntpipe_shove, closer);
|
|
|
652 }
|
|
|
653
|
|
|
654 /************************************************************************/
|
|
|
655 /* Winsock I/O stream */
|
|
|
656 /************************************************************************/
|
|
|
657 #if defined (HAVE_SOCKETS) && !defined(HAVE_MSG_SELECT)
|
|
|
658
|
|
|
659 #define WINSOCK_READ_BUFFER_SIZE 1024
|
|
|
660
|
|
|
661 struct winsock_stream
|
|
|
662 {
|
|
|
663 LPARAM user_data; /* Any user data stored in the stream object */
|
|
|
664 SOCKET s; /* Socket handle (which is a Win32 handle) */
|
|
|
665 OVERLAPPED ov; /* Overlapped I/O structure */
|
|
|
666 void* buffer; /* Buffer. Allocated for input stream only */
|
|
442
|
667 unsigned long bufsize; /* Number of bytes last read */
|
|
|
668 unsigned long bufpos; /* Position in buffer for next fetch */
|
|
428
|
669 unsigned int error_p :1; /* I/O Error seen */
|
|
|
670 unsigned int eof_p :1; /* EOF Error seen */
|
|
|
671 unsigned int pending_p :1; /* There is a pending I/O operation */
|
|
|
672 unsigned int blocking_p :1; /* Last write attempt would block */
|
|
|
673 };
|
|
|
674
|
|
|
675 #define WINSOCK_STREAM_DATA(stream) LSTREAM_TYPE_DATA (stream, winsock)
|
|
|
676
|
|
|
677 DEFINE_LSTREAM_IMPLEMENTATION ("winsock", lstream_winsock,
|
|
|
678 sizeof (struct winsock_stream));
|
|
|
679
|
|
|
680 static void
|
|
|
681 winsock_initiate_read (struct winsock_stream *str)
|
|
|
682 {
|
|
|
683 ResetEvent (str->ov.hEvent);
|
|
|
684 str->bufpos = 0;
|
|
|
685
|
|
|
686 if (!ReadFile ((HANDLE)str->s, str->buffer, WINSOCK_READ_BUFFER_SIZE,
|
|
|
687 &str->bufsize, &str->ov))
|
|
|
688 {
|
|
|
689 if (GetLastError () == ERROR_IO_PENDING)
|
|
|
690 str->pending_p = 1;
|
|
|
691 else if (GetLastError () == ERROR_HANDLE_EOF)
|
|
|
692 str->eof_p = 1;
|
|
|
693 else
|
|
|
694 str->error_p = 1;
|
|
|
695 }
|
|
|
696 else if (str->bufsize == 0)
|
|
|
697 str->eof_p = 1;
|
|
|
698 }
|
|
|
699
|
|
|
700 static ssize_t
|
|
|
701 winsock_reader (Lstream *stream, unsigned char *data, size_t size)
|
|
|
702 {
|
|
|
703 struct winsock_stream *str = WINSOCK_STREAM_DATA (stream);
|
|
|
704
|
|
|
705 /* If the current operation is not yet complete, there's nothing to
|
|
|
706 give back */
|
|
|
707 if (str->pending_p)
|
|
|
708 {
|
|
|
709 if (WaitForSingleObject (str->ov.hEvent, 0) == WAIT_TIMEOUT)
|
|
|
710 {
|
|
|
711 errno = EAGAIN;
|
|
|
712 return -1;
|
|
|
713 }
|
|
|
714 else
|
|
|
715 {
|
|
|
716 if (!GetOverlappedResult ((HANDLE)str->s, &str->ov, &str->bufsize, TRUE))
|
|
|
717 {
|
|
|
718 if (GetLastError() == ERROR_HANDLE_EOF)
|
|
|
719 str->bufsize = 0;
|
|
|
720 else
|
|
|
721 str->error_p = 1;
|
|
|
722 }
|
|
|
723 if (str->bufsize == 0)
|
|
|
724 str->eof_p = 1;
|
|
|
725 str->pending_p = 0;
|
|
|
726 }
|
|
|
727 }
|
|
|
728
|
|
|
729 if (str->eof_p)
|
|
|
730 return 0;
|
|
|
731 if (str->error_p)
|
|
|
732 return -1;
|
|
|
733
|
|
|
734 /* Return as much of buffer as we have */
|
|
|
735 size = min (size, (size_t) (str->bufsize - str->bufpos));
|
|
|
736 memcpy (data, (void*)((BYTE*)str->buffer + str->bufpos), size);
|
|
|
737 str->bufpos += size;
|
|
|
738
|
|
|
739 /* Read more if buffer is exhausted */
|
|
|
740 if (str->bufsize == str->bufpos)
|
|
|
741 winsock_initiate_read (str);
|
|
|
742
|
|
|
743 return size;
|
|
|
744 }
|
|
|
745
|
|
|
746 static ssize_t
|
|
442
|
747 winsock_writer (Lstream *stream, const unsigned char *data, size_t size)
|
|
428
|
748 {
|
|
|
749 struct winsock_stream *str = WINSOCK_STREAM_DATA (stream);
|
|
|
750
|
|
|
751 if (str->pending_p)
|
|
|
752 {
|
|
|
753 if (WaitForSingleObject (str->ov.hEvent, 0) == WAIT_TIMEOUT)
|
|
|
754 {
|
|
|
755 str->blocking_p = 1;
|
|
|
756 return -1;
|
|
|
757 }
|
|
|
758 else
|
|
|
759 {
|
|
|
760 DWORD dw_unused;
|
|
|
761 if (!GetOverlappedResult ((HANDLE)str->s, &str->ov, &dw_unused, TRUE))
|
|
|
762 str->error_p = 1;
|
|
|
763 str->pending_p = 0;
|
|
|
764 }
|
|
|
765 }
|
|
|
766
|
|
|
767 str->blocking_p = 0;
|
|
|
768
|
|
|
769 if (str->error_p)
|
|
|
770 return -1;
|
|
|
771
|
|
|
772 if (size == 0)
|
|
|
773 return 0;
|
|
|
774
|
|
|
775 {
|
|
|
776 ResetEvent (str->ov.hEvent);
|
|
|
777
|
|
|
778 /* Docs indicate that 4th parameter to WriteFile can be NULL since this is
|
|
|
779 * an overlapped operation. This fails on Win95 with winsock 1.x so we
|
|
|
780 * supply a spare address which is ignored by Win95 anyway. Sheesh. */
|
|
|
781 if (WriteFile ((HANDLE)str->s, data, size, (LPDWORD)&str->buffer, &str->ov)
|
|
|
782 || GetLastError() == ERROR_IO_PENDING)
|
|
|
783 str->pending_p = 1;
|
|
|
784 else
|
|
|
785 str->error_p = 1;
|
|
|
786 }
|
|
|
787
|
|
|
788 return str->error_p ? -1 : size;
|
|
|
789 }
|
|
|
790
|
|
|
791 static int
|
|
|
792 winsock_closer (Lstream *lstr)
|
|
|
793 {
|
|
|
794 struct winsock_stream *str = WINSOCK_STREAM_DATA (lstr);
|
|
|
795
|
|
|
796 if (lstr->flags & LSTREAM_FL_READ)
|
|
|
797 shutdown (str->s, 0);
|
|
|
798 else
|
|
|
799 shutdown (str->s, 1);
|
|
|
800
|
|
|
801 CloseHandle ((HANDLE)str->s);
|
|
|
802 if (str->pending_p)
|
|
|
803 WaitForSingleObject (str->ov.hEvent, INFINITE);
|
|
|
804
|
|
|
805 if (lstr->flags & LSTREAM_FL_READ)
|
|
|
806 xfree (str->buffer);
|
|
|
807
|
|
|
808 CloseHandle (str->ov.hEvent);
|
|
|
809 return 0;
|
|
|
810 }
|
|
|
811
|
|
|
812 static int
|
|
|
813 winsock_was_blocked_p (Lstream *stream)
|
|
|
814 {
|
|
|
815 struct winsock_stream *str = WINSOCK_STREAM_DATA (stream);
|
|
|
816 return str->blocking_p;
|
|
|
817 }
|
|
|
818
|
|
|
819 static Lisp_Object
|
|
442
|
820 make_winsock_stream_1 (SOCKET s, LPARAM param, const char *mode)
|
|
428
|
821 {
|
|
|
822 Lisp_Object obj;
|
|
|
823 Lstream *lstr = Lstream_new (lstream_winsock, mode);
|
|
|
824 struct winsock_stream *str = WINSOCK_STREAM_DATA (lstr);
|
|
|
825
|
|
|
826 str->s = s;
|
|
|
827 str->blocking_p = 0;
|
|
|
828 str->error_p = 0;
|
|
|
829 str->eof_p = 0;
|
|
|
830 str->pending_p = 0;
|
|
|
831 str->user_data = param;
|
|
|
832
|
|
|
833 xzero (str->ov);
|
|
|
834 str->ov.hEvent = CreateEvent (NULL, TRUE, FALSE, NULL);
|
|
|
835
|
|
|
836 if (lstr->flags & LSTREAM_FL_READ)
|
|
|
837 {
|
|
|
838 str->buffer = xmalloc (WINSOCK_READ_BUFFER_SIZE);
|
|
|
839 winsock_initiate_read (str);
|
|
|
840 }
|
|
|
841
|
|
|
842 lstr->flags |= LSTREAM_FL_CLOSE_AT_DISKSAVE;
|
|
|
843 XSETLSTREAM (obj, lstr);
|
|
|
844 return obj;
|
|
|
845 }
|
|
|
846
|
|
|
847 static Lisp_Object
|
|
|
848 make_winsock_input_stream (SOCKET s, LPARAM param)
|
|
|
849 {
|
|
|
850 return make_winsock_stream_1 (s, param, "r");
|
|
|
851 }
|
|
|
852
|
|
|
853 static Lisp_Object
|
|
|
854 make_winsock_output_stream (SOCKET s, LPARAM param)
|
|
|
855 {
|
|
|
856 return make_winsock_stream_1 (s, param, "w");
|
|
|
857 }
|
|
|
858
|
|
|
859 static HANDLE
|
|
|
860 get_winsock_stream_waitable (Lstream *lstr)
|
|
|
861 {
|
|
|
862 struct winsock_stream *str = WINSOCK_STREAM_DATA (lstr);
|
|
|
863 return str->ov.hEvent;
|
|
|
864 }
|
|
|
865
|
|
|
866 static LPARAM
|
|
|
867 get_winsock_stream_param (Lstream *lstr)
|
|
|
868 {
|
|
|
869 struct winsock_stream *str = WINSOCK_STREAM_DATA (lstr);
|
|
|
870 return str->user_data;
|
|
|
871 }
|
|
|
872
|
|
|
873 static void
|
|
|
874 init_winsock_stream (void)
|
|
|
875 {
|
|
|
876 LSTREAM_HAS_METHOD (winsock, reader);
|
|
|
877 LSTREAM_HAS_METHOD (winsock, writer);
|
|
|
878 LSTREAM_HAS_METHOD (winsock, closer);
|
|
|
879 LSTREAM_HAS_METHOD (winsock, was_blocked_p);
|
|
|
880 }
|
|
|
881 #endif /* defined (HAVE_SOCKETS) */
|
|
|
882
|
|
|
883 /************************************************************************/
|
|
|
884 /* Dispatch queue management */
|
|
|
885 /************************************************************************/
|
|
|
886
|
|
|
887 static int
|
|
440
|
888 mswindows_user_event_p (Lisp_Event* sevt)
|
|
428
|
889 {
|
|
|
890 return (sevt->event_type == key_press_event
|
|
|
891 || sevt->event_type == button_press_event
|
|
|
892 || sevt->event_type == button_release_event
|
|
|
893 || sevt->event_type == misc_user_event);
|
|
|
894 }
|
|
|
895
|
|
|
896 /*
|
|
|
897 * Add an emacs event to the proper dispatch queue
|
|
|
898 */
|
|
442
|
899 void
|
|
428
|
900 mswindows_enqueue_dispatch_event (Lisp_Object event)
|
|
|
901 {
|
|
|
902 int user_p = mswindows_user_event_p (XEVENT(event));
|
|
|
903 enqueue_event (event,
|
|
|
904 user_p ? &mswindows_u_dispatch_event_queue :
|
|
442
|
905 &mswindows_s_dispatch_event_queue,
|
|
428
|
906 user_p ? &mswindows_u_dispatch_event_queue_tail :
|
|
442
|
907 &mswindows_s_dispatch_event_queue_tail);
|
|
428
|
908
|
|
|
909 /* Avoid blocking on WaitMessage */
|
|
|
910 PostMessage (NULL, XM_BUMPQUEUE, 0, 0);
|
|
|
911 }
|
|
|
912
|
|
|
913 /*
|
|
|
914 * Add a misc-user event to the dispatch queue.
|
|
|
915 *
|
|
|
916 * Stuff it into our own dispatch queue, so we have something
|
|
|
917 * to return from next_event callback.
|
|
|
918 */
|
|
|
919 void
|
|
|
920 mswindows_enqueue_misc_user_event (Lisp_Object channel, Lisp_Object function,
|
|
|
921 Lisp_Object object)
|
|
|
922 {
|
|
|
923 Lisp_Object event = Fmake_event (Qnil, Qnil);
|
|
440
|
924 Lisp_Event* e = XEVENT (event);
|
|
428
|
925
|
|
|
926 e->event_type = misc_user_event;
|
|
|
927 e->channel = channel;
|
|
440
|
928 e->timestamp = GetTickCount ();
|
|
428
|
929 e->event.misc.function = function;
|
|
|
930 e->event.misc.object = object;
|
|
|
931
|
|
|
932 mswindows_enqueue_dispatch_event (event);
|
|
|
933 }
|
|
|
934
|
|
|
935 void
|
|
440
|
936 mswindows_enqueue_magic_event (HWND hwnd, UINT msg)
|
|
428
|
937 {
|
|
|
938 Lisp_Object emacs_event = Fmake_event (Qnil, Qnil);
|
|
440
|
939 Lisp_Event* event = XEVENT (emacs_event);
|
|
428
|
940
|
|
|
941 event->channel = hwnd ? mswindows_find_frame (hwnd) : Qnil;
|
|
|
942 event->timestamp = GetMessageTime();
|
|
|
943 event->event_type = magic_event;
|
|
440
|
944 EVENT_MSWINDOWS_MAGIC_TYPE (event) = msg;
|
|
428
|
945
|
|
|
946 mswindows_enqueue_dispatch_event (emacs_event);
|
|
|
947 }
|
|
|
948
|
|
|
949 static void
|
|
440
|
950 mswindows_enqueue_process_event (Lisp_Process* p)
|
|
428
|
951 {
|
|
|
952 Lisp_Object emacs_event = Fmake_event (Qnil, Qnil);
|
|
440
|
953 Lisp_Event* event = XEVENT (emacs_event);
|
|
428
|
954 Lisp_Object process;
|
|
|
955 XSETPROCESS (process, p);
|
|
|
956
|
|
|
957 event->event_type = process_event;
|
|
|
958 event->timestamp = GetTickCount ();
|
|
|
959 event->event.process.process = process;
|
|
|
960
|
|
|
961 mswindows_enqueue_dispatch_event (emacs_event);
|
|
|
962 }
|
|
|
963
|
|
|
964 static void
|
|
442
|
965 mswindows_enqueue_mouse_button_event (HWND hwnd, UINT msg, POINTS where,
|
|
|
966 int mods, DWORD when)
|
|
428
|
967 {
|
|
442
|
968 int downp = (msg == WM_LBUTTONDOWN || msg == WM_MBUTTONDOWN ||
|
|
|
969 msg == WM_RBUTTONDOWN);
|
|
428
|
970
|
|
|
971 /* We always use last message time, because mouse button
|
|
|
972 events may get delayed, and XEmacs double click
|
|
|
973 recognition will fail */
|
|
|
974
|
|
|
975 Lisp_Object emacs_event = Fmake_event (Qnil, Qnil);
|
|
442
|
976 Lisp_Event* event = XEVENT (emacs_event);
|
|
|
977
|
|
|
978 mswindows_handle_sticky_modifiers (0, 0, downp, 0);
|
|
|
979 event->channel = mswindows_find_frame (hwnd);
|
|
428
|
980 event->timestamp = when;
|
|
|
981 event->event.button.button =
|
|
440
|
982 (msg==WM_LBUTTONDOWN || msg==WM_LBUTTONUP) ? 1 :
|
|
|
983 ((msg==WM_RBUTTONDOWN || msg==WM_RBUTTONUP) ? 3 : 2);
|
|
428
|
984 event->event.button.x = where.x;
|
|
|
985 event->event.button.y = where.y;
|
|
442
|
986 event->event.button.modifiers = mswindows_modifier_state (NULL, mods, 0);
|
|
|
987
|
|
|
988 if (downp)
|
|
428
|
989 {
|
|
|
990 event->event_type = button_press_event;
|
|
|
991 SetCapture (hwnd);
|
|
|
992 /* we need this to make sure the main window regains the focus
|
|
|
993 from control subwindows */
|
|
|
994 if (GetFocus() != hwnd)
|
|
|
995 {
|
|
|
996 SetFocus (hwnd);
|
|
|
997 mswindows_enqueue_magic_event (hwnd, WM_SETFOCUS);
|
|
|
998 }
|
|
|
999 }
|
|
|
1000 else
|
|
|
1001 {
|
|
|
1002 event->event_type = button_release_event;
|
|
|
1003 ReleaseCapture ();
|
|
|
1004 }
|
|
|
1005
|
|
|
1006 mswindows_enqueue_dispatch_event (emacs_event);
|
|
|
1007 }
|
|
|
1008
|
|
|
1009 static void
|
|
|
1010 mswindows_enqueue_keypress_event (HWND hwnd, Lisp_Object keysym, int mods)
|
|
|
1011 {
|
|
|
1012 Lisp_Object emacs_event = Fmake_event (Qnil, Qnil);
|
|
440
|
1013 Lisp_Event* event = XEVENT(emacs_event);
|
|
428
|
1014
|
|
|
1015 event->channel = mswindows_find_console(hwnd);
|
|
|
1016 event->timestamp = GetMessageTime();
|
|
|
1017 event->event_type = key_press_event;
|
|
|
1018 event->event.key.keysym = keysym;
|
|
|
1019 event->event.key.modifiers = mods;
|
|
|
1020 mswindows_enqueue_dispatch_event (emacs_event);
|
|
|
1021 }
|
|
|
1022
|
|
|
1023 /*
|
|
|
1024 * Remove and return the first emacs event on the dispatch queue.
|
|
|
1025 * Give a preference to user events over non-user ones.
|
|
|
1026 */
|
|
|
1027 static Lisp_Object
|
|
442
|
1028 mswindows_dequeue_dispatch_event (void)
|
|
428
|
1029 {
|
|
|
1030 Lisp_Object event;
|
|
440
|
1031 Lisp_Event* sevt;
|
|
428
|
1032
|
|
|
1033 assert (!NILP(mswindows_u_dispatch_event_queue) ||
|
|
|
1034 !NILP(mswindows_s_dispatch_event_queue));
|
|
|
1035
|
|
|
1036 event = dequeue_event (
|
|
442
|
1037 NILP(mswindows_u_dispatch_event_queue) ?
|
|
428
|
1038 &mswindows_s_dispatch_event_queue :
|
|
|
1039 &mswindows_u_dispatch_event_queue,
|
|
442
|
1040 NILP(mswindows_u_dispatch_event_queue) ?
|
|
428
|
1041 &mswindows_s_dispatch_event_queue_tail :
|
|
|
1042 &mswindows_u_dispatch_event_queue_tail);
|
|
|
1043
|
|
|
1044 sevt = XEVENT(event);
|
|
|
1045 if (sevt->event_type == key_press_event
|
|
|
1046 && (sevt->event.key.modifiers & FAKE_MOD_QUIT))
|
|
|
1047 {
|
|
|
1048 sevt->event.key.modifiers &= ~FAKE_MOD_QUIT;
|
|
|
1049 --mswindows_quit_chars_count;
|
|
|
1050 }
|
|
|
1051
|
|
|
1052 return event;
|
|
|
1053 }
|
|
|
1054
|
|
|
1055 /*
|
|
|
1056 * Remove and return the first emacs event on the dispatch queue that matches
|
|
|
1057 * the supplied event.
|
|
|
1058 * Timeout event matches if interval_id is equal to that of the given event.
|
|
|
1059 * Keypress event matches if logical AND between modifiers bitmask of the
|
|
|
1060 * event in the queue and that of the given event is non-zero.
|
|
|
1061 * For all other event types, this function aborts.
|
|
|
1062 */
|
|
|
1063
|
|
|
1064 Lisp_Object
|
|
440
|
1065 mswindows_cancel_dispatch_event (Lisp_Event *match)
|
|
428
|
1066 {
|
|
|
1067 Lisp_Object event;
|
|
|
1068 Lisp_Object previous_event = Qnil;
|
|
|
1069 int user_p = mswindows_user_event_p (match);
|
|
|
1070 Lisp_Object* head = user_p ? &mswindows_u_dispatch_event_queue :
|
|
442
|
1071 &mswindows_s_dispatch_event_queue;
|
|
428
|
1072 Lisp_Object* tail = user_p ? &mswindows_u_dispatch_event_queue_tail :
|
|
442
|
1073 &mswindows_s_dispatch_event_queue_tail;
|
|
428
|
1074
|
|
|
1075 assert (match->event_type == timeout_event
|
|
|
1076 || match->event_type == key_press_event);
|
|
|
1077
|
|
|
1078 EVENT_CHAIN_LOOP (event, *head)
|
|
|
1079 {
|
|
440
|
1080 Lisp_Event *e = XEVENT (event);
|
|
428
|
1081 if ((e->event_type == match->event_type) &&
|
|
|
1082 ((e->event_type == timeout_event) ?
|
|
|
1083 (e->event.timeout.interval_id == match->event.timeout.interval_id) :
|
|
|
1084 /* Must be key_press_event */
|
|
|
1085 ((e->event.key.modifiers & match->event.key.modifiers) != 0)))
|
|
|
1086 {
|
|
|
1087 if (NILP (previous_event))
|
|
|
1088 dequeue_event (head, tail);
|
|
|
1089 else
|
|
|
1090 {
|
|
|
1091 XSET_EVENT_NEXT (previous_event, XEVENT_NEXT (event));
|
|
|
1092 if (EQ (*tail, event))
|
|
|
1093 *tail = previous_event;
|
|
|
1094 }
|
|
|
1095
|
|
|
1096 return event;
|
|
|
1097 }
|
|
|
1098 previous_event = event;
|
|
|
1099 }
|
|
|
1100 return Qnil;
|
|
|
1101 }
|
|
|
1102
|
|
|
1103 #ifndef HAVE_MSG_SELECT
|
|
|
1104 /************************************************************************/
|
|
|
1105 /* Waitable handles manipulation */
|
|
|
1106 /************************************************************************/
|
|
|
1107 static int
|
|
|
1108 find_waitable_handle (HANDLE h)
|
|
|
1109 {
|
|
|
1110 int i;
|
|
|
1111 for (i = 0; i < mswindows_waitable_count; ++i)
|
|
|
1112 if (mswindows_waitable_handles[i] == h)
|
|
|
1113 return i;
|
|
|
1114
|
|
|
1115 return -1;
|
|
|
1116 }
|
|
|
1117
|
|
|
1118 static BOOL
|
|
|
1119 add_waitable_handle (HANDLE h)
|
|
|
1120 {
|
|
|
1121 assert (find_waitable_handle (h) < 0);
|
|
|
1122 if (mswindows_waitable_count == MAX_WAITABLE)
|
|
|
1123 return FALSE;
|
|
|
1124
|
|
|
1125 mswindows_waitable_handles [mswindows_waitable_count++] = h;
|
|
|
1126 return TRUE;
|
|
|
1127 }
|
|
|
1128
|
|
|
1129 static void
|
|
|
1130 remove_waitable_handle (HANDLE h)
|
|
|
1131 {
|
|
|
1132 int ix = find_waitable_handle (h);
|
|
|
1133 if (ix < 0)
|
|
|
1134 return;
|
|
|
1135
|
|
|
1136 mswindows_waitable_handles [ix] =
|
|
|
1137 mswindows_waitable_handles [--mswindows_waitable_count];
|
|
|
1138 }
|
|
|
1139 #endif /* HAVE_MSG_SELECT */
|
|
|
1140
|
|
|
1141
|
|
|
1142 /************************************************************************/
|
|
|
1143 /* Event pump */
|
|
|
1144 /************************************************************************/
|
|
|
1145
|
|
|
1146 static Lisp_Object
|
|
|
1147 mswindows_modal_loop_error_handler (Lisp_Object cons_sig_data,
|
|
|
1148 Lisp_Object u_n_u_s_e_d)
|
|
|
1149 {
|
|
|
1150 mswindows_error_caught_in_modal_loop = cons_sig_data;
|
|
|
1151 return Qunbound;
|
|
|
1152 }
|
|
|
1153
|
|
|
1154 Lisp_Object
|
|
|
1155 mswindows_protect_modal_loop (Lisp_Object (*bfun) (Lisp_Object barg),
|
|
|
1156 Lisp_Object barg)
|
|
|
1157 {
|
|
|
1158 Lisp_Object tmp;
|
|
|
1159
|
|
|
1160 ++mswindows_in_modal_loop;
|
|
|
1161 tmp = condition_case_1 (Qt,
|
|
|
1162 bfun, barg,
|
|
|
1163 mswindows_modal_loop_error_handler, Qnil);
|
|
|
1164 --mswindows_in_modal_loop;
|
|
|
1165
|
|
|
1166 return tmp;
|
|
|
1167 }
|
|
|
1168
|
|
|
1169 void
|
|
|
1170 mswindows_unmodalize_signal_maybe (void)
|
|
|
1171 {
|
|
|
1172 if (!NILP (mswindows_error_caught_in_modal_loop))
|
|
|
1173 {
|
|
|
1174 /* Got an error while messages were pumped while
|
|
|
1175 in window procedure - have to resignal */
|
|
|
1176 Lisp_Object sym = XCAR (mswindows_error_caught_in_modal_loop);
|
|
|
1177 Lisp_Object data = XCDR (mswindows_error_caught_in_modal_loop);
|
|
|
1178 mswindows_error_caught_in_modal_loop = Qnil;
|
|
|
1179 Fsignal (sym, data);
|
|
|
1180 }
|
|
|
1181 }
|
|
|
1182
|
|
|
1183 /*
|
|
|
1184 * This is an unsafe part of event pump, guarded by
|
|
|
1185 * condition_case. See mswindows_pump_outstanding_events
|
|
|
1186 */
|
|
|
1187 static Lisp_Object
|
|
|
1188 mswindows_unsafe_pump_events (Lisp_Object u_n_u_s_e_d)
|
|
|
1189 {
|
|
|
1190 /* This function can call lisp */
|
|
|
1191 Lisp_Object event = Fmake_event (Qnil, Qnil);
|
|
|
1192 struct gcpro gcpro1;
|
|
|
1193 int do_redisplay = 0;
|
|
|
1194 GCPRO1 (event);
|
|
|
1195
|
|
|
1196 while (detect_input_pending ())
|
|
|
1197 {
|
|
|
1198 Fnext_event (event, Qnil);
|
|
|
1199 Fdispatch_event (event);
|
|
|
1200 do_redisplay = 1;
|
|
|
1201 }
|
|
|
1202
|
|
|
1203 if (do_redisplay)
|
|
|
1204 redisplay ();
|
|
|
1205
|
|
|
1206 Fdeallocate_event (event);
|
|
|
1207 UNGCPRO;
|
|
|
1208
|
|
|
1209 /* Qt becomes return value of mswindows_pump_outstanding_events
|
|
|
1210 once we get here */
|
|
|
1211 return Qt;
|
|
|
1212 }
|
|
|
1213
|
|
|
1214 /*
|
|
|
1215 * This function pumps emacs events, while available, by using
|
|
|
1216 * next_message/dispatch_message loop. Errors are trapped around
|
|
|
1217 * the loop so the function always returns.
|
|
|
1218 *
|
|
|
1219 * Windows message queue is not looked into during the call,
|
|
|
1220 * neither are waitable handles checked. The function pumps
|
|
|
1221 * thus only dispatch events already queued, as well as those
|
|
|
1222 * resulted in dispatching thereof. This is done by setting
|
|
|
1223 * module local variable mswindows_in_modal_loop to nonzero.
|
|
|
1224 *
|
|
|
1225 * Return value is Qt if no errors was trapped, or Qunbound if
|
|
|
1226 * there was an error.
|
|
|
1227 *
|
|
|
1228 * In case of error, a cons representing the error, in the
|
|
|
1229 * form (SIGNAL . DATA), is stored in the module local variable
|
|
|
1230 * mswindows_error_caught_in_modal_loop. This error is signaled
|
|
|
1231 * again when DispatchMessage returns. Thus, Windows internal
|
|
|
1232 * modal loops are protected against throws, which are proven
|
|
|
1233 * to corrupt internal Windows structures.
|
|
|
1234 *
|
|
|
1235 * In case of success, mswindows_error_caught_in_modal_loop is
|
|
|
1236 * assigned Qnil.
|
|
|
1237 *
|
|
|
1238 * If the value of mswindows_error_caught_in_modal_loop is not
|
|
|
1239 * nil already upon entry, the function just returns non-nil.
|
|
|
1240 * This situation means that a new event has been queued while
|
|
|
1241 * in cancel mode. The event will be dequeued on the next regular
|
|
|
1242 * call of next-event; the pump is off since error is caught.
|
|
|
1243 * The caller must *unconditionally* cancel modal loop if the
|
|
|
1244 * value returned by this function is nil. Otherwise, everything
|
|
|
1245 * will become frozen until the modal loop exits under normal
|
|
|
1246 * condition (scrollbar drag is released, menu closed etc.)
|
|
|
1247 */
|
|
|
1248 Lisp_Object
|
|
|
1249 mswindows_pump_outstanding_events (void)
|
|
|
1250 {
|
|
|
1251 /* This function can call lisp */
|
|
|
1252
|
|
|
1253 Lisp_Object result = Qt;
|
|
|
1254 struct gcpro gcpro1;
|
|
|
1255 GCPRO1 (result);
|
|
|
1256
|
|
|
1257 if (NILP(mswindows_error_caught_in_modal_loop))
|
|
442
|
1258 result = mswindows_protect_modal_loop (mswindows_unsafe_pump_events, Qnil);
|
|
428
|
1259 UNGCPRO;
|
|
|
1260 return result;
|
|
|
1261 }
|
|
|
1262
|
|
440
|
1263 /*
|
|
|
1264 * KEYBOARD_ONLY_P is set to non-zero when we are called from
|
|
|
1265 * QUITP, and are interesting in keyboard messages only.
|
|
|
1266 */
|
|
428
|
1267 static void
|
|
442
|
1268 mswindows_drain_windows_queue (void)
|
|
428
|
1269 {
|
|
|
1270 MSG msg;
|
|
440
|
1271
|
|
442
|
1272 /* should call mswindows_need_event_in_modal_loop() if in modal loop */
|
|
|
1273 assert (!mswindows_in_modal_loop);
|
|
|
1274
|
|
|
1275 while (PeekMessage (&msg, NULL, 0, 0, PM_REMOVE))
|
|
428
|
1276 {
|
|
442
|
1277 char class_name_buf [sizeof (XEMACS_CLASS) + 2] = "";
|
|
|
1278
|
|
|
1279 if (mswindows_is_dialog_msg (&msg))
|
|
|
1280 {
|
|
|
1281 mswindows_unmodalize_signal_maybe ();
|
|
|
1282 continue;
|
|
|
1283 }
|
|
|
1284
|
|
|
1285 /* We have to translate messages that are not sent to an XEmacs
|
|
|
1286 frame. This is so that key presses work ok in things like
|
|
|
1287 edit fields. However, we *musn't* translate message for XEmacs
|
|
|
1288 frames as this is handled in the wnd proc.
|
|
|
1289 We also have to avoid generating paint magic events for windows
|
|
|
1290 that aren't XEmacs frames */
|
|
|
1291 /* GetClassName will truncate a longer class name. By adding one
|
|
|
1292 extra character, we are forcing textual comparison to fail
|
|
|
1293 if the name is longer than XEMACS_CLASS */
|
|
|
1294
|
|
|
1295 GetClassName (msg.hwnd, class_name_buf, sizeof (class_name_buf) - 1);
|
|
|
1296 if (stricmp (class_name_buf, XEMACS_CLASS) != 0)
|
|
428
|
1297 {
|
|
442
|
1298 /* Not an XEmacs frame */
|
|
428
|
1299 TranslateMessage (&msg);
|
|
|
1300 }
|
|
442
|
1301 else if (msg.message == WM_PAINT)
|
|
|
1302 {
|
|
|
1303 struct mswindows_frame* msframe;
|
|
|
1304
|
|
|
1305 /* hdc will be NULL unless this is a subwindow - in which case we
|
|
|
1306 shouldn't have received a paint message for it here. */
|
|
|
1307 assert (msg.wParam == 0);
|
|
|
1308
|
|
|
1309 /* Queue a magic event for handling when safe */
|
|
|
1310 msframe =
|
|
|
1311 FRAME_MSWINDOWS_DATA (XFRAME (mswindows_find_frame (msg.hwnd)));
|
|
|
1312 if (!msframe->paint_pending)
|
|
|
1313 {
|
|
|
1314 msframe->paint_pending = 1;
|
|
|
1315 mswindows_enqueue_magic_event (msg.hwnd, WM_PAINT);
|
|
|
1316 }
|
|
|
1317 /* Don't dispatch. WM_PAINT is always the last message in the
|
|
|
1318 queue so it's OK to just return. */
|
|
|
1319 return;
|
|
|
1320 }
|
|
428
|
1321 DispatchMessage (&msg);
|
|
|
1322 mswindows_unmodalize_signal_maybe ();
|
|
|
1323 }
|
|
|
1324 }
|
|
|
1325
|
|
|
1326 /*
|
|
|
1327 * This is a special flavor of the mswindows_need_event function,
|
|
|
1328 * used while in event pump. Actually, there is only kind of events
|
|
|
1329 * allowed while in event pump: a timer. An attempt to fetch any
|
|
|
1330 * other event leads to a deadlock, as there's no source of user input
|
|
|
1331 * ('cause event pump mirrors windows modal loop, which is a sole
|
|
|
1332 * owner of thread message queue).
|
|
|
1333 *
|
|
|
1334 * To detect this, we use a counter of active timers, and allow
|
|
|
1335 * fetching WM_TIMER messages. Instead of trying to fetch a WM_TIMER
|
|
|
1336 * which will never come when there are no pending timers, which leads
|
|
|
1337 * to deadlock, we simply signal an error.
|
|
|
1338 */
|
|
|
1339 static void
|
|
|
1340 mswindows_need_event_in_modal_loop (int badly_p)
|
|
|
1341 {
|
|
|
1342 MSG msg;
|
|
|
1343
|
|
|
1344 /* Check if already have one */
|
|
|
1345 if (!NILP (mswindows_u_dispatch_event_queue)
|
|
|
1346 || !NILP (mswindows_s_dispatch_event_queue))
|
|
|
1347 return;
|
|
|
1348
|
|
|
1349 /* No event is ok */
|
|
|
1350 if (!badly_p)
|
|
|
1351 return;
|
|
|
1352
|
|
|
1353 /* We do not check the _u_ queue, because timers go to _s_ */
|
|
|
1354 while (NILP (mswindows_s_dispatch_event_queue))
|
|
|
1355 {
|
|
|
1356 /* We'll deadlock if go waiting */
|
|
|
1357 if (mswindows_pending_timers_count == 0)
|
|
|
1358 error ("Deadlock due to an attempt to call next-event in a wrong context");
|
|
|
1359
|
|
|
1360 /* Fetch and dispatch any pending timers */
|
|
|
1361 GetMessage (&msg, NULL, WM_TIMER, WM_TIMER);
|
|
|
1362 DispatchMessage (&msg);
|
|
|
1363 }
|
|
|
1364 }
|
|
|
1365
|
|
|
1366 /*
|
|
|
1367 * This drains the event queue and fills up two internal queues until
|
|
|
1368 * an event of a type specified by USER_P is retrieved.
|
|
|
1369 *
|
|
|
1370 *
|
|
|
1371 * Used by emacs_mswindows_event_pending_p and emacs_mswindows_next_event
|
|
|
1372 */
|
|
|
1373 static void
|
|
|
1374 mswindows_need_event (int badly_p)
|
|
|
1375 {
|
|
|
1376 int active;
|
|
|
1377
|
|
|
1378 if (mswindows_in_modal_loop)
|
|
|
1379 {
|
|
|
1380 mswindows_need_event_in_modal_loop (badly_p);
|
|
|
1381 return;
|
|
|
1382 }
|
|
|
1383
|
|
|
1384 while (NILP (mswindows_u_dispatch_event_queue)
|
|
|
1385 && NILP (mswindows_s_dispatch_event_queue))
|
|
|
1386 {
|
|
|
1387 #ifdef HAVE_MSG_SELECT
|
|
|
1388 int i;
|
|
|
1389 SELECT_TYPE temp_mask = input_wait_mask;
|
|
|
1390 EMACS_TIME sometime;
|
|
|
1391 EMACS_SELECT_TIME select_time_to_block, *pointer_to_this;
|
|
|
1392
|
|
|
1393 if (badly_p)
|
|
|
1394 pointer_to_this = 0;
|
|
|
1395 else
|
|
|
1396 {
|
|
|
1397 EMACS_SET_SECS_USECS (sometime, 0, 0);
|
|
|
1398 EMACS_TIME_TO_SELECT_TIME (sometime, select_time_to_block);
|
|
|
1399 pointer_to_this = &select_time_to_block;
|
|
|
1400 }
|
|
|
1401
|
|
|
1402 active = select (MAXDESC, &temp_mask, 0, 0, pointer_to_this);
|
|
|
1403
|
|
|
1404 if (active == 0)
|
|
|
1405 {
|
|
|
1406 assert (!badly_p);
|
|
|
1407 return; /* timeout */
|
|
|
1408 }
|
|
|
1409 else if (active > 0)
|
|
|
1410 {
|
|
|
1411 if (FD_ISSET (windows_fd, &temp_mask))
|
|
|
1412 {
|
|
442
|
1413 mswindows_drain_windows_queue ();
|
|
428
|
1414 }
|
|
442
|
1415 else
|
|
428
|
1416 {
|
|
442
|
1417 #ifdef HAVE_TTY
|
|
|
1418 /* Look for a TTY event */
|
|
|
1419 for (i = 0; i < MAXDESC-1; i++)
|
|
428
|
1420 {
|
|
442
|
1421 /* To avoid race conditions (among other things, an infinite
|
|
|
1422 loop when called from Fdiscard_input()), we must return
|
|
|
1423 user events ahead of process events. */
|
|
|
1424 if (FD_ISSET (i, &temp_mask) && FD_ISSET (i, &tty_only_mask))
|
|
428
|
1425 {
|
|
442
|
1426 struct console *c = tty_find_console_from_fd (i);
|
|
|
1427 Lisp_Object emacs_event = Fmake_event (Qnil, Qnil);
|
|
|
1428 Lisp_Event* event = XEVENT (emacs_event);
|
|
|
1429
|
|
|
1430 assert (c);
|
|
|
1431 if (read_event_from_tty_or_stream_desc (event, c, i))
|
|
|
1432 {
|
|
|
1433 mswindows_enqueue_dispatch_event (emacs_event);
|
|
|
1434 return;
|
|
|
1435 }
|
|
428
|
1436 }
|
|
|
1437 }
|
|
|
1438 #endif
|
|
442
|
1439 /* Look for a process event */
|
|
|
1440 for (i = 0; i < MAXDESC-1; i++)
|
|
428
|
1441 {
|
|
442
|
1442 if (FD_ISSET (i, &temp_mask))
|
|
428
|
1443 {
|
|
442
|
1444 if (FD_ISSET (i, &process_only_mask))
|
|
|
1445 {
|
|
|
1446 Lisp_Process *p =
|
|
|
1447 get_process_from_usid (FD_TO_USID(i));
|
|
|
1448
|
|
|
1449 mswindows_enqueue_process_event (p);
|
|
|
1450 }
|
|
|
1451 else
|
|
|
1452 {
|
|
|
1453 /* We might get here when a fake event came
|
|
|
1454 through a signal. Return a dummy event, so
|
|
|
1455 that a cycle of the command loop will
|
|
|
1456 occur. */
|
|
|
1457 drain_signal_event_pipe ();
|
|
|
1458 mswindows_enqueue_magic_event (NULL, XM_BUMPQUEUE);
|
|
|
1459 }
|
|
428
|
1460 }
|
|
|
1461 }
|
|
|
1462 }
|
|
|
1463 }
|
|
|
1464 else if (active==-1)
|
|
|
1465 {
|
|
|
1466 if (errno != EINTR)
|
|
|
1467 {
|
|
|
1468 /* something bad happened */
|
|
|
1469 assert(0);
|
|
|
1470 }
|
|
|
1471 }
|
|
|
1472 else
|
|
|
1473 {
|
|
|
1474 assert(0);
|
|
|
1475 }
|
|
|
1476 #else
|
|
|
1477 /* Now try getting a message or process event */
|
|
442
|
1478 active = MsgWaitForMultipleObjects (mswindows_waitable_count,
|
|
|
1479 mswindows_waitable_handles,
|
|
|
1480 FALSE, badly_p ? INFINITE : 0,
|
|
|
1481 QS_ALLINPUT);
|
|
|
1482
|
|
|
1483 /* This will assert if handle being waited for becomes abandoned.
|
|
|
1484 Not the case currently tho */
|
|
|
1485 assert ((!badly_p && active == WAIT_TIMEOUT) ||
|
|
|
1486 (active >= WAIT_OBJECT_0 &&
|
|
|
1487 active <= WAIT_OBJECT_0 + mswindows_waitable_count));
|
|
|
1488
|
|
|
1489 if (active == WAIT_TIMEOUT)
|
|
|
1490 {
|
|
|
1491 /* No luck trying - just return what we've already got */
|
|
|
1492 return;
|
|
|
1493 }
|
|
|
1494 else if (active == WAIT_OBJECT_0 + mswindows_waitable_count)
|
|
|
1495 {
|
|
|
1496 /* Got your message, thanks */
|
|
|
1497 mswindows_drain_windows_queue ();
|
|
|
1498 }
|
|
|
1499 else
|
|
|
1500 {
|
|
|
1501 int ix = active - WAIT_OBJECT_0;
|
|
|
1502 /* First, try to find which process' output has signaled */
|
|
|
1503 Lisp_Process *p =
|
|
|
1504 get_process_from_usid (HANDLE_TO_USID (mswindows_waitable_handles[ix]));
|
|
|
1505 if (p != NULL)
|
|
|
1506 {
|
|
|
1507 /* Found a signaled process input handle */
|
|
|
1508 mswindows_enqueue_process_event (p);
|
|
|
1509 }
|
|
|
1510 else
|
|
|
1511 {
|
|
|
1512 /* None. This means that the process handle itself has signaled.
|
|
|
1513 Remove the handle from the wait vector, and make status_notify
|
|
|
1514 note the exited process */
|
|
|
1515 mswindows_waitable_handles [ix] =
|
|
|
1516 mswindows_waitable_handles [--mswindows_waitable_count];
|
|
|
1517 kick_status_notify ();
|
|
|
1518 /* We need to return a process event here so that
|
|
|
1519 (1) accept-process-output will return when called on this
|
|
|
1520 process, and (2) status notifications will happen in
|
|
|
1521 accept-process-output, sleep-for, and sit-for. */
|
|
|
1522 /* #### horrible kludge till my real process fixes go in.
|
|
|
1523 */
|
|
|
1524 if (!NILP (Vprocess_list))
|
|
|
1525 {
|
|
|
1526 Lisp_Object vaffanculo = XCAR (Vprocess_list);
|
|
|
1527 mswindows_enqueue_process_event (XPROCESS (vaffanculo));
|
|
|
1528 }
|
|
|
1529 else /* trash me soon. */
|
|
|
1530 /* Have to return something: there may be no accompanying
|
|
|
1531 process event */
|
|
|
1532 mswindows_enqueue_magic_event (NULL, XM_BUMPQUEUE);
|
|
|
1533 }
|
|
|
1534 }
|
|
428
|
1535 #endif
|
|
442
|
1536 } /* while */
|
|
428
|
1537 }
|
|
|
1538
|
|
|
1539 /************************************************************************/
|
|
|
1540 /* Event generators */
|
|
|
1541 /************************************************************************/
|
|
|
1542
|
|
|
1543 /*
|
|
|
1544 * Callback procedure for synchronous timer messages
|
|
|
1545 */
|
|
|
1546 static void CALLBACK
|
|
|
1547 mswindows_wm_timer_callback (HWND hwnd, UINT umsg, UINT id_timer, DWORD dwtime)
|
|
|
1548 {
|
|
|
1549 Lisp_Object emacs_event = Fmake_event (Qnil, Qnil);
|
|
440
|
1550 Lisp_Event *event = XEVENT (emacs_event);
|
|
428
|
1551
|
|
|
1552 if (KillTimer (NULL, id_timer))
|
|
|
1553 --mswindows_pending_timers_count;
|
|
|
1554
|
|
|
1555 event->channel = Qnil;
|
|
|
1556 event->timestamp = dwtime;
|
|
|
1557 event->event_type = timeout_event;
|
|
|
1558 event->event.timeout.interval_id = id_timer;
|
|
|
1559 event->event.timeout.function = Qnil;
|
|
|
1560 event->event.timeout.object = Qnil;
|
|
|
1561
|
|
|
1562 mswindows_enqueue_dispatch_event (emacs_event);
|
|
|
1563 }
|
|
|
1564
|
|
|
1565 /*
|
|
|
1566 * Callback procedure for dde messages
|
|
|
1567 *
|
|
|
1568 * We execute a dde Open("file") by simulating a file drop, so dde support
|
|
|
1569 * depends on dnd support.
|
|
|
1570 */
|
|
|
1571 #ifdef HAVE_DRAGNDROP
|
|
|
1572 HDDEDATA CALLBACK
|
|
|
1573 mswindows_dde_callback (UINT uType, UINT uFmt, HCONV hconv,
|
|
|
1574 HSZ hszTopic, HSZ hszItem, HDDEDATA hdata,
|
|
|
1575 DWORD dwData1, DWORD dwData2)
|
|
|
1576 {
|
|
|
1577 switch (uType)
|
|
|
1578 {
|
|
|
1579 case XTYP_CONNECT:
|
|
|
1580 if (!DdeCmpStringHandles (hszTopic, mswindows_dde_topic_system))
|
|
|
1581 return (HDDEDATA)TRUE;
|
|
|
1582 return (HDDEDATA)FALSE;
|
|
|
1583
|
|
|
1584 case XTYP_WILDCONNECT:
|
|
|
1585 {
|
|
|
1586 /* We only support one {service,topic} pair */
|
|
|
1587 HSZPAIR pairs[2] = {
|
|
|
1588 { mswindows_dde_service, mswindows_dde_topic_system }, { 0, 0 } };
|
|
|
1589
|
|
|
1590 if (!(hszItem || DdeCmpStringHandles (hszItem, mswindows_dde_service)) &&
|
|
442
|
1591 !(hszTopic || DdeCmpStringHandles (hszTopic, mswindows_dde_topic_system)))
|
|
428
|
1592 return (DdeCreateDataHandle (mswindows_dde_mlid, (LPBYTE)pairs,
|
|
|
1593 sizeof (pairs), 0L, 0, uFmt, 0));
|
|
|
1594 }
|
|
|
1595 return (HDDEDATA)NULL;
|
|
|
1596
|
|
|
1597 case XTYP_EXECUTE:
|
|
|
1598 if (!DdeCmpStringHandles (hszTopic, mswindows_dde_topic_system))
|
|
|
1599 {
|
|
|
1600 DWORD len = DdeGetData (hdata, NULL, 0, 0);
|
|
442
|
1601 LPBYTE cmd = (LPBYTE) alloca (len+1);
|
|
428
|
1602 char *end;
|
|
|
1603 char *filename;
|
|
|
1604 struct gcpro gcpro1, gcpro2;
|
|
|
1605 Lisp_Object l_dndlist = Qnil;
|
|
|
1606 Lisp_Object emacs_event = Fmake_event (Qnil, Qnil);
|
|
|
1607 Lisp_Object frmcons, devcons, concons;
|
|
440
|
1608 Lisp_Event *event = XEVENT (emacs_event);
|
|
428
|
1609
|
|
|
1610 DdeGetData (hdata, cmd, len, 0);
|
|
|
1611 cmd[len] = '\0';
|
|
|
1612 DdeFreeDataHandle (hdata);
|
|
|
1613
|
|
|
1614 /* Check syntax & that it's an [Open("foo")] command, which we
|
|
|
1615 * treat like a file drop */
|
|
|
1616 /* #### Ought to be generalised and accept some other commands */
|
|
|
1617 if (*cmd == '[')
|
|
|
1618 cmd++;
|
|
|
1619 if (strnicmp (cmd, MSWINDOWS_DDE_ITEM_OPEN,
|
|
|
1620 strlen (MSWINDOWS_DDE_ITEM_OPEN)))
|
|
|
1621 return DDE_FNOTPROCESSED;
|
|
|
1622 cmd += strlen (MSWINDOWS_DDE_ITEM_OPEN);
|
|
|
1623 while (*cmd==' ')
|
|
|
1624 cmd++;
|
|
|
1625 if (*cmd!='(' || *(cmd+1)!='\"')
|
|
|
1626 return DDE_FNOTPROCESSED;
|
|
|
1627 end = (cmd+=2);
|
|
|
1628 while (*end && *end!='\"')
|
|
|
1629 end++;
|
|
|
1630 if (!*end)
|
|
|
1631 return DDE_FNOTPROCESSED;
|
|
|
1632 *end = '\0';
|
|
|
1633 if (*(++end)!=')')
|
|
|
1634 return DDE_FNOTPROCESSED;
|
|
|
1635 if (*(++end)==']')
|
|
|
1636 end++;
|
|
|
1637 if (*end)
|
|
|
1638 return DDE_FNOTPROCESSED;
|
|
|
1639
|
|
442
|
1640 #ifdef CYGWIN
|
|
428
|
1641 filename = alloca (cygwin32_win32_to_posix_path_list_buf_size (cmd) + 5);
|
|
|
1642 strcpy (filename, "file:");
|
|
|
1643 cygwin32_win32_to_posix_path_list (cmd, filename+5);
|
|
|
1644 #else
|
|
|
1645 dostounix_filename (cmd);
|
|
|
1646 filename = alloca (strlen (cmd)+6);
|
|
|
1647 strcpy (filename, "file:");
|
|
|
1648 strcat (filename, cmd);
|
|
|
1649 #endif
|
|
|
1650 GCPRO2 (emacs_event, l_dndlist);
|
|
|
1651 l_dndlist = make_string (filename, strlen (filename));
|
|
|
1652
|
|
|
1653 /* Find a mswindows frame */
|
|
|
1654 event->channel = Qnil;
|
|
|
1655 FRAME_LOOP_NO_BREAK (frmcons, devcons, concons)
|
|
|
1656 {
|
|
|
1657 Lisp_Object frame = XCAR (frmcons);
|
|
|
1658 if (FRAME_TYPE_P (XFRAME (frame), mswindows))
|
|
|
1659 event->channel = frame;
|
|
|
1660 };
|
|
|
1661 assert (!NILP (event->channel));
|
|
|
1662
|
|
|
1663 event->timestamp = GetTickCount();
|
|
|
1664 event->event_type = misc_user_event;
|
|
|
1665 event->event.misc.button = 1;
|
|
|
1666 event->event.misc.modifiers = 0;
|
|
|
1667 event->event.misc.x = -1;
|
|
|
1668 event->event.misc.y = -1;
|
|
|
1669 event->event.misc.function = Qdragdrop_drop_dispatch;
|
|
|
1670 event->event.misc.object = Fcons (Qdragdrop_URL,
|
|
|
1671 Fcons (l_dndlist, Qnil));
|
|
|
1672 mswindows_enqueue_dispatch_event (emacs_event);
|
|
|
1673 UNGCPRO;
|
|
|
1674 return (HDDEDATA) DDE_FACK;
|
|
|
1675 }
|
|
|
1676 DdeFreeDataHandle (hdata);
|
|
|
1677 return (HDDEDATA) DDE_FNOTPROCESSED;
|
|
|
1678
|
|
|
1679 default:
|
|
|
1680 return (HDDEDATA) NULL;
|
|
|
1681 }
|
|
|
1682 }
|
|
|
1683 #endif
|
|
|
1684
|
|
|
1685 /*
|
|
442
|
1686 * Helper to do repainting - repaints can happen both from the windows
|
|
|
1687 * procedure and from magic events
|
|
|
1688 */
|
|
|
1689 static void
|
|
|
1690 mswindows_handle_paint (struct frame *frame)
|
|
|
1691 {
|
|
|
1692 HWND hwnd = FRAME_MSWINDOWS_HANDLE (frame);
|
|
|
1693
|
|
|
1694 /* According to the docs we need to check GetUpdateRect() before
|
|
|
1695 actually doing a WM_PAINT */
|
|
|
1696 if (GetUpdateRect (hwnd, NULL, FALSE))
|
|
|
1697 {
|
|
|
1698 PAINTSTRUCT paintStruct;
|
|
|
1699 int x, y, width, height;
|
|
|
1700
|
|
|
1701 BeginPaint (hwnd, &paintStruct);
|
|
|
1702 x = paintStruct.rcPaint.left;
|
|
|
1703 y = paintStruct.rcPaint.top;
|
|
|
1704 width = paintStruct.rcPaint.right - paintStruct.rcPaint.left;
|
|
|
1705 height = paintStruct.rcPaint.bottom - paintStruct.rcPaint.top;
|
|
|
1706 /* Normally we want to ignore expose events when child
|
|
|
1707 windows are unmapped, however once we are in the guts of
|
|
|
1708 WM_PAINT we need to make sure that we don't register
|
|
|
1709 unmaps then because they will not actually occur. */
|
|
|
1710 /* #### commenting out the next line seems to fix some problems
|
|
|
1711 but not all. only andy currently understands this stuff and
|
|
|
1712 he needs to review it more carefully. --ben */
|
|
|
1713 if (!check_for_ignored_expose (frame, x, y, width, height))
|
|
|
1714 {
|
|
|
1715 hold_ignored_expose_registration = 1;
|
|
|
1716 mswindows_redraw_exposed_area (frame, x, y, width, height);
|
|
|
1717 hold_ignored_expose_registration = 0;
|
|
|
1718 }
|
|
|
1719 EndPaint (hwnd, &paintStruct);
|
|
|
1720 }
|
|
|
1721 }
|
|
|
1722
|
|
|
1723 /*
|
|
|
1724 * Returns 1 if a key is a real modifier or special key, which
|
|
440
|
1725 * is better handled by DefWindowProc
|
|
|
1726 */
|
|
|
1727 static int
|
|
|
1728 key_needs_default_processing_p (UINT vkey)
|
|
|
1729 {
|
|
442
|
1730 if (mswindows_alt_by_itself_activates_menu && vkey == VK_MENU
|
|
|
1731 /* if we let ALT activate the menu like this, then sticky ALT-modified
|
|
|
1732 keystrokes become impossible. */
|
|
|
1733 && !modifier_keys_are_sticky)
|
|
440
|
1734 return 1;
|
|
|
1735
|
|
|
1736 return 0;
|
|
|
1737 }
|
|
|
1738
|
|
442
|
1739 /* key-handling code is always ugly. It just ends up working out
|
|
|
1740 that way.
|
|
|
1741
|
|
|
1742 #### Most of the sticky-modifier code below is copied from similar
|
|
|
1743 code in event-Xt.c. They should somehow or other be merged.
|
|
|
1744
|
|
|
1745 Here are some pointers:
|
|
|
1746
|
|
|
1747 -- DOWN_MASK indicates which modifiers should be treated as "down"
|
|
|
1748 when the corresponding upstroke happens. It gets reset for
|
|
|
1749 a particular modifier when that modifier goes up, and reset
|
|
|
1750 for all modifiers when a non-modifier key is pressed. Example:
|
|
|
1751
|
|
|
1752 I press Control-A-Shift and then release Control-A-Shift.
|
|
|
1753 I want the Shift key to be sticky but not the Control key.
|
|
|
1754
|
|
|
1755 -- If a modifier key is sticky, I can unstick it by pressing
|
|
|
1756 the modifier key again. */
|
|
|
1757
|
|
|
1758 static WPARAM last_downkey;
|
|
|
1759 static int need_to_add_mask, down_mask;
|
|
|
1760
|
|
|
1761 #define XEMSW_LCONTROL (1<<0)
|
|
|
1762 #define XEMSW_RCONTROL (1<<1)
|
|
|
1763 #define XEMSW_LSHIFT (1<<2)
|
|
|
1764 #define XEMSW_RSHIFT (1<<3)
|
|
|
1765 #define XEMSW_LMENU (1<<4)
|
|
|
1766 #define XEMSW_RMENU (1<<5)
|
|
|
1767
|
|
|
1768 static int
|
|
|
1769 mswindows_handle_sticky_modifiers (WPARAM wParam, LPARAM lParam,
|
|
|
1770 int downp, int keyp)
|
|
|
1771 {
|
|
|
1772 int mods = 0;
|
|
|
1773
|
|
|
1774 if (!modifier_keys_are_sticky) /* Optimize for non-sticky modifiers */
|
|
|
1775 return 0;
|
|
|
1776
|
|
|
1777 if (! (keyp &&
|
|
|
1778 (wParam == VK_CONTROL || wParam == VK_LCONTROL ||
|
|
|
1779 wParam == VK_RCONTROL ||
|
|
|
1780 wParam == VK_MENU || wParam == VK_LMENU ||
|
|
|
1781 wParam == VK_RMENU ||
|
|
|
1782 wParam == VK_SHIFT || wParam == VK_LSHIFT ||
|
|
|
1783 wParam == VK_RSHIFT)))
|
|
|
1784 { /* Not a modifier key */
|
|
|
1785 if (downp && keyp && !last_downkey)
|
|
|
1786 last_downkey = wParam;
|
|
|
1787 /* If I hold press-and-release the Control key and then press
|
|
|
1788 and hold down the right arrow, I want it to auto-repeat
|
|
|
1789 Control-Right. On the other hand, if I do the same but
|
|
|
1790 manually press the Right arrow a bunch of times, I want
|
|
|
1791 to see one Control-Right and then a bunch of Rights.
|
|
|
1792 This means that we need to distinguish between an
|
|
|
1793 auto-repeated key and a key pressed and released a bunch
|
|
|
1794 of times. */
|
|
|
1795 else if ((downp && !keyp) ||
|
|
|
1796 (downp && keyp && last_downkey &&
|
|
|
1797 (wParam != last_downkey ||
|
|
|
1798 /* the "previous key state" bit indicates autorepeat */
|
|
|
1799 ! (lParam & (1 << 30)))))
|
|
|
1800 {
|
|
|
1801 need_to_add_mask = 0;
|
|
|
1802 last_downkey = 0;
|
|
|
1803 }
|
|
|
1804 if (downp)
|
|
|
1805 down_mask = 0;
|
|
|
1806
|
|
|
1807 mods = need_to_add_mask;
|
|
|
1808 }
|
|
|
1809 else /* Modifier key pressed */
|
|
|
1810 {
|
|
|
1811 /* If a non-modifier key was pressed in the middle of a bunch
|
|
|
1812 of modifiers, then it unsticks all the modifiers that were
|
|
|
1813 previously pressed. We cannot unstick the modifiers until
|
|
|
1814 now because we want to check for auto-repeat of the
|
|
|
1815 non-modifier key. */
|
|
|
1816
|
|
|
1817 if (last_downkey)
|
|
|
1818 {
|
|
|
1819 last_downkey = 0;
|
|
|
1820 need_to_add_mask = 0;
|
|
|
1821 }
|
|
|
1822
|
|
|
1823 #define FROB(mask) \
|
|
|
1824 do { \
|
|
|
1825 if (downp && keyp) \
|
|
|
1826 { \
|
|
|
1827 /* If modifier key is already sticky, \
|
|
|
1828 then unstick it. Note that we do \
|
|
|
1829 not test down_mask to deal with the \
|
|
|
1830 unlikely but possible case that the \
|
|
|
1831 modifier key auto-repeats. */ \
|
|
|
1832 if (need_to_add_mask & mask) \
|
|
|
1833 { \
|
|
|
1834 need_to_add_mask &= ~mask; \
|
|
|
1835 down_mask &= ~mask; \
|
|
|
1836 } \
|
|
|
1837 else \
|
|
|
1838 down_mask |= mask; \
|
|
|
1839 } \
|
|
|
1840 else \
|
|
|
1841 { \
|
|
|
1842 if (down_mask & mask) \
|
|
|
1843 { \
|
|
|
1844 down_mask &= ~mask; \
|
|
|
1845 need_to_add_mask |= mask; \
|
|
|
1846 } \
|
|
|
1847 } \
|
|
|
1848 } while (0)
|
|
|
1849
|
|
|
1850 if ((wParam == VK_CONTROL && (lParam & 0x1000000))
|
|
|
1851 || wParam == VK_RCONTROL)
|
|
|
1852 FROB (XEMSW_RCONTROL);
|
|
|
1853 if ((wParam == VK_CONTROL && !(lParam & 0x1000000))
|
|
|
1854 || wParam == VK_LCONTROL)
|
|
|
1855 FROB (XEMSW_LCONTROL);
|
|
|
1856
|
|
|
1857 if ((wParam == VK_SHIFT && (lParam & 0x1000000))
|
|
|
1858 || wParam == VK_RSHIFT)
|
|
|
1859 FROB (XEMSW_RSHIFT);
|
|
|
1860 if ((wParam == VK_SHIFT && !(lParam & 0x1000000))
|
|
|
1861 || wParam == VK_LSHIFT)
|
|
|
1862 FROB (XEMSW_LSHIFT);
|
|
|
1863
|
|
|
1864 if ((wParam == VK_MENU && (lParam & 0x1000000))
|
|
|
1865 || wParam == VK_RMENU)
|
|
|
1866 FROB (XEMSW_RMENU);
|
|
|
1867 if ((wParam == VK_MENU && !(lParam & 0x1000000))
|
|
|
1868 || wParam == VK_LMENU)
|
|
|
1869 FROB (XEMSW_LMENU);
|
|
|
1870 }
|
|
|
1871 #undef FROB
|
|
|
1872
|
|
|
1873 if (mods && downp)
|
|
|
1874 {
|
|
|
1875 BYTE keymap[256];
|
|
|
1876
|
|
|
1877 GetKeyboardState (keymap);
|
|
|
1878
|
|
|
1879 if (mods & XEMSW_LCONTROL)
|
|
|
1880 {
|
|
|
1881 keymap [VK_CONTROL] |= 0x80;
|
|
|
1882 keymap [VK_LCONTROL] |= 0x80;
|
|
|
1883 }
|
|
|
1884 if (mods & XEMSW_RCONTROL)
|
|
|
1885 {
|
|
|
1886 keymap [VK_CONTROL] |= 0x80;
|
|
|
1887 keymap [VK_RCONTROL] |= 0x80;
|
|
|
1888 }
|
|
|
1889
|
|
|
1890 if (mods & XEMSW_LSHIFT)
|
|
|
1891 {
|
|
|
1892 keymap [VK_SHIFT] |= 0x80;
|
|
|
1893 keymap [VK_LSHIFT] |= 0x80;
|
|
|
1894 }
|
|
|
1895 if (mods & XEMSW_RSHIFT)
|
|
|
1896 {
|
|
|
1897 keymap [VK_SHIFT] |= 0x80;
|
|
|
1898 keymap [VK_RSHIFT] |= 0x80;
|
|
|
1899 }
|
|
|
1900
|
|
|
1901 if (mods & XEMSW_LMENU)
|
|
|
1902 {
|
|
|
1903 keymap [VK_MENU] |= 0x80;
|
|
|
1904 keymap [VK_LMENU] |= 0x80;
|
|
|
1905 }
|
|
|
1906 if (mods & XEMSW_RMENU)
|
|
|
1907 {
|
|
|
1908 keymap [VK_MENU] |= 0x80;
|
|
|
1909 keymap [VK_RMENU] |= 0x80;
|
|
|
1910 }
|
|
|
1911
|
|
|
1912 SetKeyboardState (keymap);
|
|
|
1913 return 1;
|
|
|
1914 }
|
|
|
1915
|
|
|
1916 return 0;
|
|
|
1917 }
|
|
|
1918
|
|
|
1919 static void
|
|
|
1920 clear_sticky_modifiers (void)
|
|
|
1921 {
|
|
|
1922 need_to_add_mask = 0;
|
|
|
1923 last_downkey = 0;
|
|
|
1924 down_mask = 0;
|
|
|
1925 }
|
|
|
1926
|
|
|
1927 #ifdef DEBUG_XEMACS
|
|
|
1928
|
|
|
1929 #if 0
|
|
|
1930
|
|
|
1931 static void
|
|
|
1932 output_modifier_keyboard_state (void)
|
|
|
1933 {
|
|
|
1934 BYTE keymap[256];
|
|
|
1935
|
|
|
1936 GetKeyboardState (keymap);
|
|
|
1937
|
|
|
1938 stderr_out ("GetKeyboardState VK_MENU %d %d VK_LMENU %d %d VK_RMENU %d %d\n",
|
|
|
1939 keymap[VK_MENU] & 0x80 ? 1 : 0,
|
|
|
1940 keymap[VK_MENU] & 0x1 ? 1 : 0,
|
|
|
1941 keymap[VK_LMENU] & 0x80 ? 1 : 0,
|
|
|
1942 keymap[VK_LMENU] & 0x1 ? 1 : 0,
|
|
|
1943 keymap[VK_RMENU] & 0x80 ? 1 : 0,
|
|
|
1944 keymap[VK_RMENU] & 0x1 ? 1 : 0);
|
|
|
1945 stderr_out ("GetKeyboardState VK_CONTROL %d %d VK_LCONTROL %d %d VK_RCONTROL %d %d\n",
|
|
|
1946 keymap[VK_CONTROL] & 0x80 ? 1 : 0,
|
|
|
1947 keymap[VK_CONTROL] & 0x1 ? 1 : 0,
|
|
|
1948 keymap[VK_LCONTROL] & 0x80 ? 1 : 0,
|
|
|
1949 keymap[VK_LCONTROL] & 0x1 ? 1 : 0,
|
|
|
1950 keymap[VK_RCONTROL] & 0x80 ? 1 : 0,
|
|
|
1951 keymap[VK_RCONTROL] & 0x1 ? 1 : 0);
|
|
|
1952 stderr_out ("GetKeyboardState VK_SHIFT %d %d VK_LSHIFT %d %d VK_RSHIFT %d %d\n",
|
|
|
1953 keymap[VK_SHIFT] & 0x80 ? 1 : 0,
|
|
|
1954 keymap[VK_SHIFT] & 0x1 ? 1 : 0,
|
|
|
1955 keymap[VK_LSHIFT] & 0x80 ? 1 : 0,
|
|
|
1956 keymap[VK_LSHIFT] & 0x1 ? 1 : 0,
|
|
|
1957 keymap[VK_RSHIFT] & 0x80 ? 1 : 0,
|
|
|
1958 keymap[VK_RSHIFT] & 0x1 ? 1 : 0);
|
|
|
1959 }
|
|
|
1960
|
|
|
1961 #endif
|
|
|
1962
|
|
|
1963 /* try to debug the stuck-alt-key problem.
|
|
|
1964
|
|
|
1965 #### this happens only inconsistently, and may only happen when using
|
|
|
1966 StickyKeys in the Win2000 accessibility section of the control panel,
|
|
|
1967 which is extremely broken for other reasons. */
|
|
|
1968
|
|
|
1969 static void
|
|
|
1970 output_alt_keyboard_state (void)
|
|
|
1971 {
|
|
|
1972 BYTE keymap[256];
|
|
|
1973 SHORT keystate[3];
|
|
|
1974 // SHORT asyncstate[3];
|
|
|
1975
|
|
|
1976 GetKeyboardState (keymap);
|
|
|
1977 keystate[0] = GetKeyState (VK_MENU);
|
|
|
1978 keystate[1] = GetKeyState (VK_LMENU);
|
|
|
1979 keystate[2] = GetKeyState (VK_RMENU);
|
|
|
1980 /* Doing this interferes with key processing. */
|
|
|
1981 /* asyncstate[0] = GetAsyncKeyState (VK_MENU); */
|
|
|
1982 /* asyncstate[1] = GetAsyncKeyState (VK_LMENU); */
|
|
|
1983 /* asyncstate[2] = GetAsyncKeyState (VK_RMENU); */
|
|
|
1984
|
|
|
1985 stderr_out ("GetKeyboardState VK_MENU %d %d VK_LMENU %d %d VK_RMENU %d %d\n",
|
|
|
1986 keymap[VK_MENU] & 0x80 ? 1 : 0,
|
|
|
1987 keymap[VK_MENU] & 0x1 ? 1 : 0,
|
|
|
1988 keymap[VK_LMENU] & 0x80 ? 1 : 0,
|
|
|
1989 keymap[VK_LMENU] & 0x1 ? 1 : 0,
|
|
|
1990 keymap[VK_RMENU] & 0x80 ? 1 : 0,
|
|
|
1991 keymap[VK_RMENU] & 0x1 ? 1 : 0);
|
|
|
1992 stderr_out ("GetKeyState VK_MENU %d %d VK_LMENU %d %d VK_RMENU %d %d\n",
|
|
|
1993 keystate[0] & 0x8000 ? 1 : 0,
|
|
|
1994 keystate[0] & 0x1 ? 1 : 0,
|
|
|
1995 keystate[1] & 0x8000 ? 1 : 0,
|
|
|
1996 keystate[1] & 0x1 ? 1 : 0,
|
|
|
1997 keystate[2] & 0x8000 ? 1 : 0,
|
|
|
1998 keystate[2] & 0x1 ? 1 : 0);
|
|
|
1999 /* stderr_out ("GetAsyncKeyState VK_MENU %d %d VK_LMENU %d %d VK_RMENU %d %d\n", */
|
|
|
2000 /* asyncstate[0] & 0x8000 ? 1 : 0, */
|
|
|
2001 /* asyncstate[0] & 0x1 ? 1 : 0, */
|
|
|
2002 /* asyncstate[1] & 0x8000 ? 1 : 0, */
|
|
|
2003 /* asyncstate[1] & 0x1 ? 1 : 0, */
|
|
|
2004 /* asyncstate[2] & 0x8000 ? 1 : 0, */
|
|
|
2005 /* asyncstate[2] & 0x1 ? 1 : 0); */
|
|
|
2006 }
|
|
|
2007
|
|
|
2008 #endif /* DEBUG_XEMACS */
|
|
|
2009
|
|
|
2010
|
|
440
|
2011 /*
|
|
428
|
2012 * The windows procedure for the window class XEMACS_CLASS
|
|
|
2013 */
|
|
|
2014 LRESULT WINAPI
|
|
442
|
2015 mswindows_wnd_proc (HWND hwnd, UINT message_, WPARAM wParam, LPARAM lParam)
|
|
428
|
2016 {
|
|
|
2017 /* Note: Remember to initialize emacs_event and event before use.
|
|
|
2018 This code calls code that can GC. You must GCPRO before calling such code. */
|
|
|
2019 Lisp_Object emacs_event = Qnil;
|
|
|
2020 Lisp_Object fobj = Qnil;
|
|
|
2021
|
|
440
|
2022 Lisp_Event *event;
|
|
428
|
2023 struct frame *frame;
|
|
|
2024 struct mswindows_frame* msframe;
|
|
|
2025
|
|
442
|
2026 /* Not perfect but avoids crashes. There is potential for wierd
|
|
|
2027 behavior here. */
|
|
|
2028 if (gc_in_progress)
|
|
|
2029 goto defproc;
|
|
|
2030
|
|
|
2031 assert (!GetWindowLong (hwnd, GWL_USERDATA));
|
|
|
2032 switch (message_)
|
|
428
|
2033 {
|
|
442
|
2034 case WM_DESTROYCLIPBOARD:
|
|
|
2035 /* We own the clipboard and someone else wants it. Delete our
|
|
|
2036 cached copy of the clipboard contents so we'll ask for it from
|
|
|
2037 Windows again when someone does a paste, and destroy any memory
|
|
|
2038 objects we hold on the clipboard that are not in the list of types
|
|
|
2039 that Windows will delete itself. */
|
|
|
2040 mswindows_destroy_selection (QCLIPBOARD);
|
|
|
2041 handle_selection_clear (QCLIPBOARD);
|
|
|
2042 break;
|
|
|
2043
|
|
|
2044 case WM_ERASEBKGND:
|
|
|
2045 /* Erase background only during non-dynamic sizing */
|
|
|
2046 msframe = FRAME_MSWINDOWS_DATA (XFRAME (mswindows_find_frame (hwnd)));
|
|
|
2047 if (msframe->sizing && !mswindows_dynamic_frame_resize)
|
|
|
2048 goto defproc;
|
|
|
2049 return 1;
|
|
|
2050
|
|
|
2051 case WM_CLOSE:
|
|
|
2052 fobj = mswindows_find_frame (hwnd);
|
|
|
2053 mswindows_enqueue_misc_user_event (fobj, Qeval, list3 (Qdelete_frame, fobj, Qt));
|
|
440
|
2054 break;
|
|
428
|
2055
|
|
442
|
2056 case WM_KEYUP:
|
|
|
2057 case WM_SYSKEYUP:
|
|
|
2058
|
|
|
2059 /* See Win95 comment under WM_KEYDOWN */
|
|
|
2060 {
|
|
|
2061 BYTE keymap[256];
|
|
|
2062 int should_set_keymap = 0;
|
|
|
2063
|
|
|
2064 #ifdef DEBUG_XEMACS
|
|
|
2065 if (debug_mswindows_events)
|
|
|
2066 {
|
|
|
2067 stderr_out ("%s wparam=%d lparam=%d\n",
|
|
|
2068 message_ == WM_KEYUP ? "WM_KEYUP" : "WM_SYSKEYUP",
|
|
|
2069 wParam, (int)lParam);
|
|
|
2070 output_alt_keyboard_state ();
|
|
|
2071 }
|
|
|
2072 #endif /* DEBUG_XEMACS */
|
|
|
2073
|
|
|
2074 mswindows_handle_sticky_modifiers (wParam, lParam, 0, 1);
|
|
|
2075 if (wParam == VK_CONTROL)
|
|
|
2076 {
|
|
|
2077 GetKeyboardState (keymap);
|
|
|
2078 keymap [(lParam & 0x1000000) ? VK_RCONTROL : VK_LCONTROL] &= ~0x80;
|
|
|
2079 should_set_keymap = 1;
|
|
|
2080 }
|
|
|
2081 else if (wParam == VK_MENU)
|
|
|
2082 {
|
|
|
2083 GetKeyboardState (keymap);
|
|
|
2084 keymap [(lParam & 0x1000000) ? VK_RMENU : VK_LMENU] &= ~0x80;
|
|
|
2085 should_set_keymap = 1;
|
|
|
2086 }
|
|
|
2087
|
|
|
2088 if (should_set_keymap)
|
|
|
2089 // && (message_ != WM_SYSKEYUP
|
|
|
2090 // || NILP (Vmenu_accelerator_enabled)))
|
|
428
|
2091 SetKeyboardState (keymap);
|
|
|
2092
|
|
|
2093 }
|
|
442
|
2094
|
|
|
2095 if (key_needs_default_processing_p (wParam))
|
|
|
2096 goto defproc;
|
|
|
2097 else
|
|
|
2098 break;
|
|
|
2099
|
|
|
2100 case WM_KEYDOWN:
|
|
|
2101 case WM_SYSKEYDOWN:
|
|
|
2102
|
|
|
2103 /* In some locales the right-hand Alt key is labelled AltGr. This key
|
|
|
2104 * should produce alternative characters when combined with another key.
|
|
|
2105 * eg on a German keyboard pressing AltGr+q should produce '@'.
|
|
|
2106 * AltGr generates exactly the same keystrokes as LCtrl+RAlt. But if
|
|
|
2107 * TranslateMessage() is called with *any* combination of Ctrl+Alt down,
|
|
|
2108 * it translates as if AltGr were down.
|
|
|
2109 * We get round this by removing all modifiers from the keymap before
|
|
|
2110 * calling TranslateMessage() unless AltGr is *really* down. */
|
|
428
|
2111 {
|
|
442
|
2112 BYTE keymap_trans[256];
|
|
|
2113 BYTE keymap_orig[256];
|
|
|
2114 BYTE keymap_sticky[256];
|
|
|
2115 int has_AltGr = mswindows_current_layout_has_AltGr ();
|
|
|
2116 int mods = 0;
|
|
|
2117 int extendedp = lParam & 0x1000000;
|
|
|
2118 Lisp_Object keysym;
|
|
|
2119 int sticky_changed;
|
|
|
2120
|
|
|
2121 #ifdef DEBUG_XEMACS
|
|
|
2122 if (debug_mswindows_events)
|
|
428
|
2123 {
|
|
442
|
2124 stderr_out ("%s wparam=%d lparam=%d\n",
|
|
|
2125 message_ == WM_KEYDOWN ? "WM_KEYDOWN" : "WM_SYSKEYDOWN",
|
|
|
2126 wParam, (int)lParam);
|
|
|
2127 output_alt_keyboard_state ();
|
|
428
|
2128 }
|
|
442
|
2129 #endif /* DEBUG_XEMACS */
|
|
|
2130
|
|
|
2131 GetKeyboardState (keymap_orig);
|
|
|
2132 frame = XFRAME (mswindows_find_frame (hwnd));
|
|
|
2133 if ((sticky_changed =
|
|
|
2134 mswindows_handle_sticky_modifiers (wParam, lParam, 1, 1)))
|
|
428
|
2135 {
|
|
442
|
2136 GetKeyboardState (keymap_sticky);
|
|
|
2137 if (keymap_sticky[VK_MENU] & 0x80)
|
|
|
2138 {
|
|
|
2139 message_ = WM_SYSKEYDOWN;
|
|
|
2140 /* We have to set the "context bit" so that the
|
|
|
2141 TranslateMessage() call below that generates the
|
|
|
2142 SYSCHAR message does its thing; see the documentation
|
|
|
2143 on WM_SYSKEYDOWN */
|
|
|
2144 lParam |= 1 << 29;
|
|
|
2145 }
|
|
428
|
2146 }
|
|
|
2147 else
|
|
442
|
2148 memcpy (keymap_sticky, keymap_orig, 256);
|
|
|
2149
|
|
|
2150 mods = mswindows_modifier_state (keymap_sticky, (DWORD) -1, has_AltGr);
|
|
|
2151
|
|
|
2152 /* Handle non-printables */
|
|
|
2153 if (!NILP (keysym = mswindows_key_to_emacs_keysym (wParam, mods,
|
|
|
2154 extendedp)))
|
|
428
|
2155 {
|
|
442
|
2156 mswindows_enqueue_keypress_event (hwnd, keysym, mods);
|
|
|
2157 if (sticky_changed)
|
|
|
2158 SetKeyboardState (keymap_orig);
|
|
428
|
2159 }
|
|
442
|
2160 else /* Normal keys & modifiers */
|
|
428
|
2161 {
|
|
442
|
2162 Emchar quit_ch =
|
|
|
2163 CONSOLE_QUIT_CHAR (XCONSOLE (mswindows_find_console (hwnd)));
|
|
|
2164 POINT pnt = { LOWORD (GetMessagePos()), HIWORD (GetMessagePos()) };
|
|
|
2165 MSG msg, tranmsg;
|
|
|
2166 int potential_accelerator = 0;
|
|
|
2167 int got_accelerator = 0;
|
|
|
2168
|
|
|
2169 msg.hwnd = hwnd;
|
|
|
2170 msg.message = message_;
|
|
|
2171 msg.wParam = wParam;
|
|
|
2172 msg.lParam = lParam;
|
|
|
2173 msg.time = GetMessageTime();
|
|
|
2174 msg.pt = pnt;
|
|
|
2175
|
|
|
2176 /* GetKeyboardState() does not work as documented on Win95. We have
|
|
|
2177 * to loosely track Left and Right modifiers on behalf of the OS,
|
|
|
2178 * without screwing up Windows NT which tracks them properly. */
|
|
|
2179 if (wParam == VK_CONTROL)
|
|
|
2180 {
|
|
|
2181 keymap_orig[extendedp ? VK_RCONTROL : VK_LCONTROL] |= 0x80;
|
|
|
2182 keymap_sticky[extendedp ? VK_RCONTROL : VK_LCONTROL] |= 0x80;
|
|
|
2183 }
|
|
|
2184 else if (wParam == VK_MENU)
|
|
|
2185 {
|
|
|
2186 keymap_orig[extendedp ? VK_RMENU : VK_LMENU] |= 0x80;
|
|
|
2187 keymap_sticky[extendedp ? VK_RMENU : VK_LMENU] |= 0x80;
|
|
|
2188 }
|
|
|
2189
|
|
|
2190 if (!NILP (Vmenu_accelerator_enabled) &&
|
|
|
2191 !(mods & XEMACS_MOD_SHIFT) && message_ == WM_SYSKEYDOWN)
|
|
|
2192 potential_accelerator = 1;
|
|
|
2193
|
|
|
2194 /* Remove shift modifier from an ascii character */
|
|
|
2195 mods &= ~XEMACS_MOD_SHIFT;
|
|
|
2196
|
|
|
2197 memcpy (keymap_trans, keymap_sticky, 256);
|
|
|
2198
|
|
|
2199 /* Clear control and alt modifiers unless AltGr is pressed */
|
|
|
2200 keymap_trans[VK_RCONTROL] = 0;
|
|
|
2201 keymap_trans[VK_LMENU] = 0;
|
|
|
2202 if (!has_AltGr || !(keymap_trans[VK_LCONTROL] & 0x80)
|
|
|
2203 || !(keymap_trans[VK_RMENU] & 0x80))
|
|
|
2204 {
|
|
|
2205 keymap_trans[VK_LCONTROL] = 0;
|
|
|
2206 keymap_trans[VK_CONTROL] = 0;
|
|
|
2207 keymap_trans[VK_RMENU] = 0;
|
|
|
2208 keymap_trans[VK_MENU] = 0;
|
|
|
2209 }
|
|
|
2210 SetKeyboardState (keymap_trans);
|
|
|
2211
|
|
|
2212 /* Maybe generate some WM_[SYS]CHARs in the queue */
|
|
|
2213 TranslateMessage (&msg);
|
|
|
2214
|
|
|
2215 while (PeekMessage (&tranmsg, hwnd, WM_CHAR, WM_CHAR, PM_REMOVE)
|
|
|
2216 || PeekMessage (&tranmsg, hwnd, WM_SYSCHAR, WM_SYSCHAR,
|
|
|
2217 PM_REMOVE))
|
|
|
2218 {
|
|
|
2219 int mods1 = mods;
|
|
|
2220 WPARAM ch = tranmsg.wParam;
|
|
|
2221
|
|
|
2222 /* If a quit char with no modifiers other than control and
|
|
|
2223 shift, then mark it with a fake modifier, which is removed
|
|
|
2224 upon dequeueing the event */
|
|
|
2225 /* #### This might also not withstand localization, if
|
|
|
2226 quit character is not a latin-1 symbol */
|
|
|
2227 if (((quit_ch < ' ' && (mods & XEMACS_MOD_CONTROL)
|
|
|
2228 && quit_ch + 'a' - 1 == ch)
|
|
|
2229 || (quit_ch >= ' ' && !(mods & XEMACS_MOD_CONTROL)
|
|
|
2230 && quit_ch == ch))
|
|
|
2231 && ((mods & ~(XEMACS_MOD_CONTROL | XEMACS_MOD_SHIFT))
|
|
|
2232 == 0))
|
|
|
2233 {
|
|
|
2234 mods1 |= FAKE_MOD_QUIT;
|
|
|
2235 ++mswindows_quit_chars_count;
|
|
|
2236 }
|
|
|
2237 else if (potential_accelerator && !got_accelerator &&
|
|
|
2238 mswindows_char_is_accelerator (frame, ch))
|
|
|
2239 {
|
|
|
2240 got_accelerator = 1;
|
|
|
2241 break;
|
|
|
2242 }
|
|
|
2243 mswindows_enqueue_keypress_event (hwnd, make_char (ch), mods1);
|
|
|
2244 } /* while */
|
|
|
2245
|
|
|
2246 /* This generates WM_SYSCHAR messages, which are interpreted
|
|
|
2247 by DefWindowProc as the menu selections. */
|
|
|
2248 if (got_accelerator)
|
|
|
2249 {
|
|
|
2250 SetKeyboardState (keymap_sticky);
|
|
|
2251 TranslateMessage (&msg);
|
|
|
2252 SetKeyboardState (keymap_orig);
|
|
|
2253 goto defproc;
|
|
|
2254 }
|
|
|
2255
|
|
|
2256 SetKeyboardState (keymap_orig);
|
|
|
2257 } /* else */
|
|
428
|
2258 }
|
|
442
|
2259
|
|
|
2260 if (key_needs_default_processing_p (wParam))
|
|
|
2261 goto defproc;
|
|
|
2262 else
|
|
|
2263 break;
|
|
|
2264
|
|
|
2265 case WM_MBUTTONDOWN:
|
|
|
2266 case WM_MBUTTONUP:
|
|
|
2267 /* Real middle mouse button has nothing to do with emulated one:
|
|
|
2268 if one wants to exercise fingers playing chords on the mouse,
|
|
|
2269 he is allowed to do that! */
|
|
|
2270 mswindows_enqueue_mouse_button_event (hwnd, message_,
|
|
|
2271 MAKEPOINTS (lParam),
|
|
|
2272 wParam &~ MK_MBUTTON,
|
|
|
2273 GetMessageTime());
|
|
|
2274 break;
|
|
|
2275
|
|
|
2276 case WM_LBUTTONUP:
|
|
|
2277 msframe = FRAME_MSWINDOWS_DATA (XFRAME (mswindows_find_frame (hwnd)));
|
|
|
2278 msframe->last_click_time = GetMessageTime();
|
|
|
2279
|
|
|
2280 KillTimer (hwnd, BUTTON_2_TIMER_ID);
|
|
|
2281 msframe->button2_need_lbutton = 0;
|
|
|
2282 if (msframe->ignore_next_lbutton_up)
|
|
|
2283 {
|
|
|
2284 msframe->ignore_next_lbutton_up = 0;
|
|
|
2285 }
|
|
|
2286 else if (msframe->button2_is_down)
|
|
|
2287 {
|
|
|
2288 msframe->button2_is_down = 0;
|
|
|
2289 msframe->ignore_next_rbutton_up = 1;
|
|
|
2290 mswindows_enqueue_mouse_button_event (hwnd, WM_MBUTTONUP,
|
|
|
2291 MAKEPOINTS (lParam),
|
|
|
2292 wParam
|
|
|
2293 &~ (MK_LBUTTON | MK_MBUTTON
|
|
|
2294 | MK_RBUTTON),
|
|
|
2295 GetMessageTime());
|
|
|
2296 }
|
|
|
2297 else
|
|
|
2298 {
|
|
|
2299 if (msframe->button2_need_rbutton)
|
|
|
2300 {
|
|
|
2301 msframe->button2_need_rbutton = 0;
|
|
|
2302 mswindows_enqueue_mouse_button_event (hwnd, WM_LBUTTONDOWN,
|
|
|
2303 MAKEPOINTS (lParam),
|
|
|
2304 wParam &~ MK_LBUTTON,
|
|
|
2305 GetMessageTime());
|
|
|
2306 }
|
|
|
2307 mswindows_enqueue_mouse_button_event (hwnd, WM_LBUTTONUP,
|
|
|
2308 MAKEPOINTS (lParam),
|
|
|
2309 wParam &~ MK_LBUTTON,
|
|
|
2310 GetMessageTime());
|
|
|
2311 }
|
|
|
2312 break;
|
|
|
2313
|
|
|
2314 case WM_RBUTTONUP:
|
|
|
2315 msframe = FRAME_MSWINDOWS_DATA (XFRAME (mswindows_find_frame (hwnd)));
|
|
|
2316 msframe->last_click_time = GetMessageTime();
|
|
|
2317
|
|
|
2318 KillTimer (hwnd, BUTTON_2_TIMER_ID);
|
|
|
2319 msframe->button2_need_rbutton = 0;
|
|
|
2320 if (msframe->ignore_next_rbutton_up)
|
|
|
2321 {
|
|
|
2322 msframe->ignore_next_rbutton_up = 0;
|
|
|
2323 }
|
|
|
2324 else if (msframe->button2_is_down)
|
|
|
2325 {
|
|
|
2326 msframe->button2_is_down = 0;
|
|
|
2327 msframe->ignore_next_lbutton_up = 1;
|
|
|
2328 mswindows_enqueue_mouse_button_event (hwnd, WM_MBUTTONUP,
|
|
|
2329 MAKEPOINTS (lParam),
|
|
|
2330 wParam
|
|
|
2331 &~ (MK_LBUTTON | MK_MBUTTON
|
|
|
2332 | MK_RBUTTON),
|
|
|
2333 GetMessageTime());
|
|
|
2334 }
|
|
|
2335 else
|
|
|
2336 {
|
|
|
2337 if (msframe->button2_need_lbutton)
|
|
|
2338 {
|
|
|
2339 msframe->button2_need_lbutton = 0;
|
|
|
2340 mswindows_enqueue_mouse_button_event (hwnd, WM_RBUTTONDOWN,
|
|
|
2341 MAKEPOINTS (lParam),
|
|
|
2342 wParam &~ MK_RBUTTON,
|
|
|
2343 GetMessageTime());
|
|
|
2344 }
|
|
|
2345 mswindows_enqueue_mouse_button_event (hwnd, WM_RBUTTONUP,
|
|
|
2346 MAKEPOINTS (lParam),
|
|
|
2347 wParam &~ MK_RBUTTON,
|
|
|
2348 GetMessageTime());
|
|
|
2349 }
|
|
|
2350 break;
|
|
|
2351
|
|
|
2352 case WM_LBUTTONDOWN:
|
|
|
2353 msframe = FRAME_MSWINDOWS_DATA (XFRAME (mswindows_find_frame (hwnd)));
|
|
|
2354
|
|
|
2355 if (msframe->button2_need_lbutton)
|
|
428
|
2356 {
|
|
|
2357 KillTimer (hwnd, BUTTON_2_TIMER_ID);
|
|
442
|
2358 msframe->button2_need_lbutton = 0;
|
|
|
2359 msframe->button2_need_rbutton = 0;
|
|
|
2360 if (mswindows_button2_near_enough (msframe->last_click_point,
|
|
|
2361 MAKEPOINTS (lParam)))
|
|
428
|
2362 {
|
|
442
|
2363 mswindows_enqueue_mouse_button_event (hwnd, WM_MBUTTONDOWN,
|
|
|
2364 MAKEPOINTS (lParam),
|
|
|
2365 wParam
|
|
|
2366 &~ (MK_LBUTTON | MK_MBUTTON
|
|
|
2367 | MK_RBUTTON),
|
|
|
2368 GetMessageTime());
|
|
|
2369 msframe->button2_is_down = 1;
|
|
428
|
2370 }
|
|
442
|
2371 else
|
|
428
|
2372 {
|
|
442
|
2373 mswindows_enqueue_mouse_button_event (hwnd, WM_RBUTTONDOWN,
|
|
|
2374 msframe->last_click_point,
|
|
|
2375 msframe->last_click_mods
|
|
|
2376 &~ MK_RBUTTON,
|
|
|
2377 msframe->last_click_time);
|
|
|
2378 mswindows_enqueue_mouse_button_event (hwnd, WM_LBUTTONDOWN,
|
|
|
2379 MAKEPOINTS (lParam),
|
|
|
2380 wParam &~ MK_LBUTTON,
|
|
|
2381 GetMessageTime());
|
|
428
|
2382 }
|
|
|
2383 }
|
|
|
2384 else
|
|
442
|
2385 {
|
|
|
2386 mswindows_set_chord_timer (hwnd);
|
|
|
2387 msframe->button2_need_rbutton = 1;
|
|
|
2388 msframe->last_click_point = MAKEPOINTS (lParam);
|
|
|
2389 msframe->last_click_mods = wParam;
|
|
|
2390 }
|
|
|
2391 msframe->last_click_time = GetMessageTime();
|
|
|
2392 break;
|
|
|
2393
|
|
|
2394 case WM_RBUTTONDOWN:
|
|
|
2395 msframe = FRAME_MSWINDOWS_DATA (XFRAME (mswindows_find_frame (hwnd)));
|
|
|
2396
|
|
|
2397 if (msframe->button2_need_rbutton)
|
|
428
|
2398 {
|
|
442
|
2399 KillTimer (hwnd, BUTTON_2_TIMER_ID);
|
|
|
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)))
|
|
|
2404 {
|
|
|
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;
|
|
|
2412 }
|
|
|
2413 else
|
|
|
2414 {
|
|
|
2415 mswindows_enqueue_mouse_button_event (hwnd, WM_LBUTTONDOWN,
|
|
|
2416 msframe->last_click_point,
|
|
|
2417 msframe->last_click_mods
|
|
|
2418 &~ MK_LBUTTON,
|
|
|
2419 msframe->last_click_time);
|
|
|
2420 mswindows_enqueue_mouse_button_event (hwnd, WM_RBUTTONDOWN,
|
|
|
2421 MAKEPOINTS (lParam),
|
|
|
2422 wParam &~ MK_RBUTTON,
|
|
|
2423 GetMessageTime());
|
|
|
2424 }
|
|
428
|
2425 }
|
|
|
2426 else
|
|
|
2427 {
|
|
442
|
2428 mswindows_set_chord_timer (hwnd);
|
|
|
2429 msframe->button2_need_lbutton = 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_TIMER:
|
|
|
2437 if (wParam == BUTTON_2_TIMER_ID)
|
|
|
2438 {
|
|
|
2439 msframe = FRAME_MSWINDOWS_DATA (XFRAME (mswindows_find_frame (hwnd)));
|
|
|
2440 KillTimer (hwnd, BUTTON_2_TIMER_ID);
|
|
|
2441
|
|
|
2442 if (msframe->button2_need_lbutton)
|
|
|
2443 {
|
|
|
2444 msframe->button2_need_lbutton = 0;
|
|
|
2445 mswindows_enqueue_mouse_button_event (hwnd, WM_RBUTTONDOWN,
|
|
|
2446 msframe->last_click_point,
|
|
|
2447 msframe->last_click_mods
|
|
|
2448 &~ MK_RBUTTON,
|
|
|
2449 msframe->last_click_time);
|
|
|
2450 }
|
|
|
2451 else if (msframe->button2_need_rbutton)
|
|
|
2452 {
|
|
|
2453 msframe->button2_need_rbutton = 0;
|
|
|
2454 mswindows_enqueue_mouse_button_event (hwnd, WM_LBUTTONDOWN,
|
|
|
2455 msframe->last_click_point,
|
|
|
2456 msframe->last_click_mods
|
|
|
2457 &~ MK_LBUTTON,
|
|
|
2458 msframe->last_click_time);
|
|
|
2459 }
|
|
|
2460 }
|
|
|
2461 else
|
|
|
2462 assert ("Spurious timer fired" == 0);
|
|
|
2463 break;
|
|
|
2464
|
|
|
2465 case WM_MOUSEMOVE:
|
|
|
2466 /* Optimization: don't report mouse movement while size is changing */
|
|
|
2467 msframe = FRAME_MSWINDOWS_DATA (XFRAME (mswindows_find_frame (hwnd)));
|
|
|
2468 if (!msframe->sizing)
|
|
|
2469 {
|
|
|
2470 /* When waiting for the second mouse button to finish
|
|
|
2471 button2 emulation, and have moved too far, just pretend
|
|
|
2472 as if timer has expired. This improves drag-select feedback */
|
|
|
2473 if ((msframe->button2_need_lbutton || msframe->button2_need_rbutton)
|
|
|
2474 && !mswindows_button2_near_enough (msframe->last_click_point,
|
|
|
2475 MAKEPOINTS (lParam)))
|
|
428
|
2476 {
|
|
442
|
2477 KillTimer (hwnd, BUTTON_2_TIMER_ID);
|
|
|
2478 SendMessage (hwnd, WM_TIMER, BUTTON_2_TIMER_ID, 0);
|
|
|
2479 }
|
|
|
2480
|
|
|
2481 emacs_event = Fmake_event (Qnil, Qnil);
|
|
|
2482 event = XEVENT(emacs_event);
|
|
|
2483
|
|
|
2484 event->channel = mswindows_find_frame(hwnd);
|
|
|
2485 event->timestamp = GetMessageTime();
|
|
|
2486 event->event_type = pointer_motion_event;
|
|
|
2487 event->event.motion.x = MAKEPOINTS(lParam).x;
|
|
|
2488 event->event.motion.y = MAKEPOINTS(lParam).y;
|
|
|
2489 event->event.motion.modifiers =
|
|
|
2490 mswindows_modifier_state (NULL, wParam, 0);
|
|
|
2491
|
|
|
2492 mswindows_enqueue_dispatch_event (emacs_event);
|
|
|
2493 }
|
|
|
2494 break;
|
|
|
2495
|
|
|
2496 case WM_CANCELMODE:
|
|
|
2497 ReleaseCapture ();
|
|
|
2498 /* Queue a `cancel-mode-internal' misc user event, so mouse
|
|
|
2499 selection would be canceled if any */
|
|
|
2500 mswindows_enqueue_misc_user_event (mswindows_find_frame (hwnd),
|
|
|
2501 Qcancel_mode_internal, Qnil);
|
|
|
2502 break;
|
|
|
2503
|
|
|
2504 case WM_NOTIFY:
|
|
|
2505 {
|
|
|
2506 LPNMHDR nmhdr = (LPNMHDR)lParam;
|
|
|
2507
|
|
|
2508 if (nmhdr->code == TTN_NEEDTEXT)
|
|
|
2509 {
|
|
|
2510 #ifdef HAVE_TOOLBARS
|
|
|
2511 LPTOOLTIPTEXT tttext = (LPTOOLTIPTEXT)lParam;
|
|
|
2512 Lisp_Object btext;
|
|
|
2513
|
|
|
2514 /* find out which toolbar */
|
|
|
2515 frame = XFRAME (mswindows_find_frame (hwnd));
|
|
|
2516 btext = mswindows_get_toolbar_button_text ( frame,
|
|
|
2517 nmhdr->idFrom );
|
|
|
2518
|
|
|
2519 tttext->lpszText = NULL;
|
|
|
2520 tttext->hinst = NULL;
|
|
|
2521
|
|
|
2522 if (!NILP(btext))
|
|
|
2523 {
|
|
|
2524 /* I think this is safe since the text will only go away
|
|
|
2525 when the toolbar does...*/
|
|
|
2526 LISP_STRING_TO_EXTERNAL (btext, tttext->lpszText, Qnative);
|
|
|
2527 }
|
|
|
2528 #endif
|
|
|
2529 }
|
|
|
2530 /* handle tree view callbacks */
|
|
|
2531 else if (nmhdr->code == TVN_SELCHANGED)
|
|
|
2532 {
|
|
|
2533 NM_TREEVIEW* ptree = (NM_TREEVIEW*)lParam;
|
|
|
2534 frame = XFRAME (mswindows_find_frame (hwnd));
|
|
|
2535 mswindows_handle_gui_wm_command (frame, 0, ptree->itemNew.lParam);
|
|
|
2536 }
|
|
|
2537 /* handle tab control callbacks */
|
|
|
2538 else if (nmhdr->code == TCN_SELCHANGE)
|
|
|
2539 {
|
|
|
2540 TC_ITEM item;
|
|
|
2541 int idx = SendMessage (nmhdr->hwndFrom, TCM_GETCURSEL, 0, 0);
|
|
|
2542 frame = XFRAME (mswindows_find_frame (hwnd));
|
|
|
2543
|
|
|
2544 item.mask = TCIF_PARAM;
|
|
|
2545 SendMessage (nmhdr->hwndFrom, TCM_GETITEM, (WPARAM)idx,
|
|
|
2546 (LPARAM)&item);
|
|
|
2547
|
|
|
2548 mswindows_handle_gui_wm_command (frame, 0, item.lParam);
|
|
|
2549 }
|
|
|
2550 }
|
|
|
2551 break;
|
|
|
2552
|
|
|
2553 case WM_PAINT:
|
|
|
2554 /* hdc will be NULL unless this is a subwindow - in which case we
|
|
|
2555 shouldn't have received a paint message for it here. */
|
|
|
2556 assert (wParam == 0);
|
|
|
2557
|
|
|
2558 /* Can't queue a magic event because windows goes modal and sends paint
|
|
|
2559 messages directly to the windows procedure when doing solid drags
|
|
|
2560 and the message queue doesn't get processed. */
|
|
|
2561 mswindows_handle_paint (XFRAME (mswindows_find_frame (hwnd)));
|
|
|
2562 break;
|
|
|
2563
|
|
|
2564 case WM_SIZE:
|
|
|
2565 /* We only care about this message if our size has really changed */
|
|
|
2566 if (wParam==SIZE_RESTORED || wParam==SIZE_MAXIMIZED || wParam==SIZE_MINIMIZED)
|
|
|
2567 {
|
|
|
2568 RECT rect;
|
|
|
2569 int columns, rows;
|
|
|
2570
|
|
|
2571 fobj = mswindows_find_frame (hwnd);
|
|
|
2572 frame = XFRAME (fobj);
|
|
|
2573 msframe = FRAME_MSWINDOWS_DATA (frame);
|
|
|
2574
|
|
|
2575 /* We cannot handle frame map and unmap hooks right in
|
|
|
2576 this routine, because these may throw. We queue
|
|
|
2577 magic events to run these hooks instead - kkm */
|
|
|
2578
|
|
|
2579 if (wParam==SIZE_MINIMIZED)
|
|
|
2580 {
|
|
|
2581 /* Iconified */
|
|
|
2582 FRAME_VISIBLE_P (frame) = 0;
|
|
|
2583 mswindows_enqueue_magic_event (hwnd, XM_UNMAPFRAME);
|
|
428
|
2584 }
|
|
|
2585 else
|
|
|
2586 {
|
|
442
|
2587 GetClientRect(hwnd, &rect);
|
|
|
2588 FRAME_PIXWIDTH(frame) = rect.right;
|
|
|
2589 FRAME_PIXHEIGHT(frame) = rect.bottom;
|
|
|
2590
|
|
|
2591 pixel_to_real_char_size (frame, rect.right, rect.bottom,
|
|
|
2592 &FRAME_MSWINDOWS_CHARWIDTH (frame),
|
|
|
2593 &FRAME_MSWINDOWS_CHARHEIGHT (frame));
|
|
|
2594
|
|
|
2595 pixel_to_char_size (frame, rect.right, rect.bottom, &columns, &rows);
|
|
|
2596 change_frame_size (frame, rows, columns, 1);
|
|
|
2597
|
|
|
2598 /* If we are inside frame creation, we have to apply geometric
|
|
|
2599 properties now. */
|
|
|
2600 if (FRAME_MSWINDOWS_TARGET_RECT (frame))
|
|
|
2601 {
|
|
|
2602 /* Yes, we have to size again */
|
|
|
2603 mswindows_size_frame_internal ( frame,
|
|
|
2604 FRAME_MSWINDOWS_TARGET_RECT
|
|
|
2605 (frame));
|
|
|
2606 /* Reset so we do not get here again. The SetWindowPos call in
|
|
|
2607 * mswindows_size_frame_internal can cause recursion here. */
|
|
|
2608 if (FRAME_MSWINDOWS_TARGET_RECT (frame))
|
|
|
2609 {
|
|
|
2610 xfree (FRAME_MSWINDOWS_TARGET_RECT (frame));
|
|
|
2611 FRAME_MSWINDOWS_TARGET_RECT (frame) = 0;
|
|
|
2612 }
|
|
|
2613 }
|
|
|
2614 else
|
|
|
2615 {
|
|
|
2616 if (!msframe->sizing && !FRAME_VISIBLE_P (frame))
|
|
|
2617 mswindows_enqueue_magic_event (hwnd, XM_MAPFRAME);
|
|
|
2618 FRAME_VISIBLE_P (frame) = 1;
|
|
|
2619
|
|
|
2620 if (!msframe->sizing || mswindows_dynamic_frame_resize)
|
|
|
2621 redisplay ();
|
|
|
2622 }
|
|
428
|
2623 }
|
|
|
2624 }
|
|
442
|
2625 break;
|
|
|
2626
|
|
|
2627 case WM_DISPLAYCHANGE:
|
|
|
2628 {
|
|
|
2629 struct device *d;
|
|
|
2630 DWORD message_tick = GetMessageTime ();
|
|
|
2631
|
|
|
2632 fobj = mswindows_find_frame (hwnd);
|
|
|
2633 frame = XFRAME (fobj);
|
|
|
2634 d = XDEVICE (FRAME_DEVICE (frame));
|
|
|
2635
|
|
|
2636 /* Do this only once per message. XEmacs can receive this message
|
|
|
2637 through as many frames as it currently has open. Message time
|
|
|
2638 will be the same for all these messages. Despite extreme
|
|
|
2639 efficiency, the code below has about one in 4 billion
|
|
|
2640 probability that the HDC is not recreated, provided that
|
|
|
2641 XEmacs is running sufficiently longer than 52 days. */
|
|
|
2642 if (DEVICE_MSWINDOWS_UPDATE_TICK(d) != message_tick)
|
|
|
2643 {
|
|
|
2644 DEVICE_MSWINDOWS_UPDATE_TICK(d) = message_tick;
|
|
|
2645 DeleteDC (DEVICE_MSWINDOWS_HCDC(d));
|
|
|
2646 DEVICE_MSWINDOWS_HCDC(d) = CreateCompatibleDC (NULL);
|
|
|
2647 }
|
|
|
2648 }
|
|
|
2649 break;
|
|
|
2650
|
|
|
2651 /* Misc magic events which only require that the frame be identified */
|
|
|
2652 case WM_SETFOCUS:
|
|
|
2653 case WM_KILLFOCUS:
|
|
|
2654 mswindows_enqueue_magic_event (hwnd, message_);
|
|
|
2655 break;
|
|
|
2656
|
|
|
2657 case WM_WINDOWPOSCHANGING:
|
|
428
|
2658 {
|
|
442
|
2659 WINDOWPOS *wp = (LPWINDOWPOS) lParam;
|
|
|
2660 WINDOWPLACEMENT wpl = { sizeof(WINDOWPLACEMENT) };
|
|
|
2661 GetWindowPlacement(hwnd, &wpl);
|
|
|
2662
|
|
|
2663 /* Only interested if size is changing and we're not being iconified */
|
|
|
2664 if (wpl.showCmd != SW_SHOWMINIMIZED
|
|
|
2665 && wpl.showCmd != SW_SHOWMAXIMIZED
|
|
|
2666 && !(wp->flags & SWP_NOSIZE))
|
|
428
|
2667 {
|
|
442
|
2668 RECT ncsize = { 0, 0, 0, 0 };
|
|
|
2669 int pixwidth, pixheight;
|
|
|
2670 AdjustWindowRectEx (&ncsize, GetWindowLong (hwnd, GWL_STYLE),
|
|
|
2671 GetMenu(hwnd) != NULL,
|
|
|
2672 GetWindowLong (hwnd, GWL_EXSTYLE));
|
|
|
2673
|
|
|
2674 round_size_to_real_char (XFRAME (mswindows_find_frame (hwnd)),
|
|
|
2675 wp->cx - (ncsize.right - ncsize.left),
|
|
|
2676 wp->cy - (ncsize.bottom - ncsize.top),
|
|
|
2677 &pixwidth, &pixheight);
|
|
|
2678
|
|
|
2679 /* Convert client sizes to window sizes */
|
|
|
2680 pixwidth += (ncsize.right - ncsize.left);
|
|
|
2681 pixheight += (ncsize.bottom - ncsize.top);
|
|
|
2682
|
|
|
2683 if (wpl.showCmd != SW_SHOWMAXIMIZED)
|
|
|
2684 {
|
|
|
2685 /* Adjust so that the bottom or right doesn't move if it's
|
|
|
2686 * the top or left that's being changed */
|
|
|
2687 RECT rect;
|
|
|
2688 GetWindowRect (hwnd, &rect);
|
|
|
2689
|
|
|
2690 if (rect.left != wp->x)
|
|
|
2691 wp->x += wp->cx - pixwidth;
|
|
|
2692 if (rect.top != wp->y)
|
|
|
2693 wp->y += wp->cy - pixheight;
|
|
|
2694 }
|
|
|
2695
|
|
|
2696 wp->cx = pixwidth;
|
|
|
2697 wp->cy = pixheight;
|
|
428
|
2698 }
|
|
442
|
2699 /* DefWindowProc sends useful WM_GETMINMAXINFO message, and adjusts
|
|
|
2700 window position if the user tries to track window too small */
|
|
428
|
2701 }
|
|
442
|
2702 goto defproc;
|
|
|
2703
|
|
|
2704 case WM_ENTERSIZEMOVE:
|
|
|
2705 msframe = FRAME_MSWINDOWS_DATA (XFRAME (mswindows_find_frame (hwnd)));
|
|
|
2706 msframe->sizing = 1;
|
|
|
2707 return 0;
|
|
|
2708
|
|
|
2709 case WM_EXITSIZEMOVE:
|
|
|
2710 msframe = FRAME_MSWINDOWS_DATA (XFRAME (mswindows_find_frame (hwnd)));
|
|
|
2711 msframe->sizing = 0;
|
|
|
2712 /* Queue noop event */
|
|
|
2713 mswindows_enqueue_magic_event (NULL, XM_BUMPQUEUE);
|
|
|
2714 return 0;
|
|
428
|
2715
|
|
|
2716 #ifdef HAVE_SCROLLBARS
|
|
442
|
2717 case WM_VSCROLL:
|
|
|
2718 case WM_HSCROLL:
|
|
|
2719 {
|
|
|
2720 /* Direction of scroll is determined by scrollbar instance. */
|
|
|
2721 int code = (int) LOWORD(wParam);
|
|
|
2722 int pos = (short int) HIWORD(wParam);
|
|
|
2723 HWND hwndScrollBar = (HWND) lParam;
|
|
|
2724 struct gcpro gcpro1, gcpro2;
|
|
|
2725
|
|
|
2726 mswindows_handle_scrollbar_event (hwndScrollBar, code, pos);
|
|
|
2727 GCPRO2 (emacs_event, fobj);
|
|
|
2728 if (UNBOUNDP(mswindows_pump_outstanding_events())) /* Can GC */
|
|
|
2729 {
|
|
|
2730 /* Error during event pumping - cancel scroll */
|
|
|
2731 SendMessage (hwndScrollBar, WM_CANCELMODE, 0, 0);
|
|
|
2732 }
|
|
|
2733 UNGCPRO;
|
|
|
2734 break;
|
|
|
2735 }
|
|
|
2736
|
|
|
2737 case WM_MOUSEWHEEL:
|
|
|
2738 {
|
|
|
2739 int keys = LOWORD (wParam); /* Modifier key flags */
|
|
|
2740 int delta = (short) HIWORD (wParam); /* Wheel rotation amount */
|
|
|
2741 struct gcpro gcpro1, gcpro2;
|
|
|
2742
|
|
|
2743 if (mswindows_handle_mousewheel_event (mswindows_find_frame (hwnd), keys, delta))
|
|
|
2744 {
|
|
|
2745 GCPRO2 (emacs_event, fobj);
|
|
|
2746 mswindows_pump_outstanding_events (); /* Can GC */
|
|
|
2747 UNGCPRO;
|
|
|
2748 }
|
|
|
2749 else
|
|
|
2750 goto defproc;
|
|
|
2751 break;
|
|
|
2752 }
|
|
428
|
2753 #endif
|
|
|
2754
|
|
|
2755 #ifdef HAVE_MENUBARS
|
|
442
|
2756 case WM_INITMENU:
|
|
|
2757 if (UNBOUNDP (mswindows_handle_wm_initmenu (
|
|
|
2758 (HMENU) wParam,
|
|
|
2759 XFRAME (mswindows_find_frame (hwnd)))))
|
|
|
2760 SendMessage (hwnd, WM_CANCELMODE, 0, 0);
|
|
|
2761 break;
|
|
|
2762
|
|
|
2763 case WM_INITMENUPOPUP:
|
|
|
2764 if (!HIWORD(lParam))
|
|
|
2765 {
|
|
|
2766 if (UNBOUNDP (mswindows_handle_wm_initmenupopup (
|
|
|
2767 (HMENU) wParam,
|
|
|
2768 XFRAME (mswindows_find_frame (hwnd)))))
|
|
|
2769 SendMessage (hwnd, WM_CANCELMODE, 0, 0);
|
|
|
2770 }
|
|
|
2771 break;
|
|
428
|
2772
|
|
|
2773 #endif /* HAVE_MENUBARS */
|
|
|
2774
|
|
442
|
2775 case WM_COMMAND:
|
|
|
2776 {
|
|
|
2777 WORD id = LOWORD (wParam);
|
|
|
2778 WORD nid = HIWORD (wParam);
|
|
|
2779 HWND cid = (HWND)lParam;
|
|
|
2780 frame = XFRAME (mswindows_find_frame (hwnd));
|
|
428
|
2781
|
|
|
2782 #ifdef HAVE_TOOLBARS
|
|
442
|
2783 if (!NILP (mswindows_handle_toolbar_wm_command (frame, cid, id)))
|
|
|
2784 break;
|
|
428
|
2785 #endif
|
|
442
|
2786 /* widgets in a buffer only eval a callback for suitable events.*/
|
|
|
2787 switch (nid)
|
|
|
2788 {
|
|
|
2789 case BN_CLICKED:
|
|
|
2790 case EN_CHANGE:
|
|
|
2791 case CBN_EDITCHANGE:
|
|
|
2792 case CBN_SELCHANGE:
|
|
|
2793 if (!NILP (mswindows_handle_gui_wm_command (frame, cid, id)))
|
|
|
2794 return 0;
|
|
|
2795 }
|
|
|
2796 /* menubars always must come last since the hashtables do not
|
|
|
2797 always exist*/
|
|
428
|
2798 #ifdef HAVE_MENUBARS
|
|
442
|
2799 if (!NILP (mswindows_handle_wm_command (frame, id)))
|
|
|
2800 break;
|
|
428
|
2801 #endif
|
|
|
2802
|
|
442
|
2803 return DefWindowProc (hwnd, message_, wParam, lParam);
|
|
|
2804 /* Bite me - a spurious command. This used to not be able to
|
|
|
2805 happen but with the introduction of widgets its now
|
|
|
2806 possible. */
|
|
|
2807 }
|
|
|
2808 break;
|
|
|
2809
|
|
|
2810 case WM_CTLCOLORBTN:
|
|
|
2811 case WM_CTLCOLORLISTBOX:
|
|
|
2812 case WM_CTLCOLOREDIT:
|
|
|
2813 case WM_CTLCOLORSTATIC:
|
|
|
2814 case WM_CTLCOLORSCROLLBAR:
|
|
|
2815 {
|
|
|
2816 /* if we get an opportunity to paint a widget then do so if
|
|
|
2817 there is an appropriate face */
|
|
|
2818 HWND crtlwnd = (HWND)lParam;
|
|
|
2819 LONG ii = GetWindowLong (crtlwnd, GWL_USERDATA);
|
|
|
2820 if (ii)
|
|
|
2821 {
|
|
|
2822 Lisp_Object image_instance;
|
|
|
2823 VOID_TO_LISP (image_instance, ii);
|
|
|
2824 if (IMAGE_INSTANCEP (image_instance)
|
|
|
2825 &&
|
|
|
2826 IMAGE_INSTANCE_TYPE_P (image_instance, IMAGE_WIDGET))
|
|
|
2827 {
|
|
|
2828 /* set colors for the buttons */
|
|
|
2829 HDC hdc = (HDC)wParam;
|
|
|
2830 if (last_widget_brushed != ii)
|
|
|
2831 {
|
|
|
2832 if (widget_brush)
|
|
|
2833 DeleteObject (widget_brush);
|
|
|
2834 widget_brush = CreateSolidBrush
|
|
|
2835 (COLOR_INSTANCE_MSWINDOWS_COLOR
|
|
|
2836 (XCOLOR_INSTANCE
|
|
|
2837 (FACE_BACKGROUND
|
|
|
2838 (XIMAGE_INSTANCE_WIDGET_FACE (image_instance),
|
|
|
2839 XIMAGE_INSTANCE_FRAME (image_instance)))));
|
|
|
2840 }
|
|
|
2841 last_widget_brushed = ii;
|
|
|
2842 SetTextColor
|
|
|
2843 (hdc,
|
|
|
2844 COLOR_INSTANCE_MSWINDOWS_COLOR
|
|
|
2845 (XCOLOR_INSTANCE
|
|
|
2846 (FACE_FOREGROUND
|
|
|
2847 (XIMAGE_INSTANCE_WIDGET_FACE (image_instance),
|
|
|
2848 XIMAGE_INSTANCE_FRAME (image_instance)))));
|
|
|
2849 SetBkMode (hdc, OPAQUE);
|
|
|
2850 SetBkColor
|
|
|
2851 (hdc,
|
|
|
2852 COLOR_INSTANCE_MSWINDOWS_COLOR
|
|
|
2853 (XCOLOR_INSTANCE
|
|
|
2854 (FACE_BACKGROUND
|
|
|
2855 (XIMAGE_INSTANCE_WIDGET_FACE (image_instance),
|
|
|
2856 XIMAGE_INSTANCE_FRAME (image_instance)))));
|
|
|
2857 return (LRESULT)widget_brush;
|
|
|
2858 }
|
|
|
2859 }
|
|
|
2860 }
|
|
|
2861 goto defproc;
|
|
428
|
2862
|
|
|
2863 #ifdef HAVE_DRAGNDROP
|
|
442
|
2864 case WM_DROPFILES: /* implementation ripped-off from event-Xt.c */
|
|
|
2865 {
|
|
|
2866 UINT filecount, i, len;
|
|
|
2867 POINT point;
|
|
|
2868 char* filename;
|
|
|
2869 char* fname;
|
|
|
2870
|
|
|
2871 Lisp_Object l_dndlist = Qnil, l_item = Qnil;
|
|
|
2872 struct gcpro gcpro1, gcpro2, gcpro3;
|
|
|
2873
|
|
|
2874 emacs_event = Fmake_event (Qnil, Qnil);
|
|
|
2875 event = XEVENT(emacs_event);
|
|
|
2876
|
|
|
2877 GCPRO3 (emacs_event, l_dndlist, l_item);
|
|
|
2878
|
|
|
2879 if (!DragQueryPoint ((HDROP) wParam, &point))
|
|
|
2880 point.x = point.y = -1; /* outside client area */
|
|
|
2881
|
|
|
2882 event->event_type = misc_user_event;
|
|
|
2883 event->channel = mswindows_find_frame(hwnd);
|
|
|
2884 event->timestamp = GetMessageTime();
|
|
|
2885 event->event.misc.button = 1; /* #### Should try harder */
|
|
|
2886 event->event.misc.modifiers = mswindows_modifier_state (NULL,
|
|
|
2887 (DWORD) -1, 0);
|
|
|
2888 event->event.misc.x = point.x;
|
|
|
2889 event->event.misc.y = point.y;
|
|
|
2890 event->event.misc.function = Qdragdrop_drop_dispatch;
|
|
|
2891
|
|
|
2892 filecount = DragQueryFile ((HDROP) wParam, 0xffffffff, NULL, 0);
|
|
|
2893 for (i=0; i<filecount; i++)
|
|
|
2894 {
|
|
|
2895 len = DragQueryFile ((HDROP) wParam, i, NULL, 0);
|
|
|
2896 /* The URLs that we make here aren't correct according to section
|
|
|
2897 * 3.10 of rfc1738 because they're missing the //<host>/ part and
|
|
|
2898 * because they may contain reserved characters. But that's OK -
|
|
|
2899 * they just need to be good enough to keep dragdrop.el happy. */
|
|
|
2900 fname = (char *)xmalloc (len+1);
|
|
|
2901 DragQueryFile ((HANDLE) wParam, i, fname, len+1);
|
|
|
2902
|
|
|
2903 /* May be a shell link aka "shortcut" - replace fname if so */
|
|
|
2904 #if !(defined(CYGWIN) || defined(MINGW))
|
|
|
2905 /* cygwin doesn't define this COM stuff */
|
|
|
2906 if (!stricmp (fname + strlen (fname) - 4, ".LNK"))
|
|
|
2907 {
|
|
|
2908 IShellLink* psl;
|
|
|
2909
|
|
|
2910 if (CoCreateInstance (&CLSID_ShellLink, NULL,
|
|
|
2911 CLSCTX_INPROC_SERVER, &IID_IShellLink, &psl) == S_OK)
|
|
|
2912 {
|
|
|
2913 IPersistFile* ppf;
|
|
|
2914
|
|
|
2915 if (psl->lpVtbl->QueryInterface (psl, &IID_IPersistFile,
|
|
|
2916 &ppf) == S_OK)
|
|
|
2917 {
|
|
|
2918 WORD wsz[MAX_PATH];
|
|
|
2919 WIN32_FIND_DATA wfd;
|
|
|
2920 LPSTR resolved = (char *) xmalloc (MAX_PATH+1);
|
|
|
2921
|
|
|
2922 MultiByteToWideChar (CP_ACP,0, fname, -1, wsz, MAX_PATH);
|
|
|
2923
|
|
|
2924 if ((ppf->lpVtbl->Load (ppf, wsz, STGM_READ) == S_OK) &&
|
|
|
2925 (psl->lpVtbl->GetPath (psl, resolved, MAX_PATH,
|
|
|
2926 &wfd, 0)==S_OK))
|
|
|
2927 {
|
|
|
2928 xfree (fname);
|
|
|
2929 fname = resolved;
|
|
|
2930 len = strlen (fname);
|
|
|
2931 }
|
|
|
2932
|
|
|
2933 ppf->lpVtbl->Release (ppf);
|
|
|
2934 }
|
|
|
2935
|
|
|
2936 psl->lpVtbl->Release (psl);
|
|
|
2937 }
|
|
|
2938 }
|
|
428
|
2939 #endif
|
|
442
|
2940
|
|
|
2941 #ifdef CYGWIN
|
|
|
2942 filename = xmalloc (cygwin32_win32_to_posix_path_list_buf_size (fname) + 5);
|
|
|
2943 strcpy (filename, "file:");
|
|
|
2944 cygwin32_win32_to_posix_path_list (fname, filename+5);
|
|
428
|
2945 #else
|
|
442
|
2946 filename = (char *)xmalloc (len+6);
|
|
|
2947 strcat (strcpy (filename, "file:"), fname);
|
|
|
2948 dostounix_filename (filename+5);
|
|
428
|
2949 #endif
|
|
442
|
2950 xfree (fname);
|
|
|
2951 l_item = make_string (filename, strlen (filename));
|
|
|
2952 l_dndlist = Fcons (l_item, l_dndlist);
|
|
|
2953 xfree (filename);
|
|
|
2954 }
|
|
|
2955 DragFinish ((HDROP) wParam);
|
|
|
2956
|
|
|
2957 event->event.misc.object = Fcons (Qdragdrop_URL, l_dndlist);
|
|
|
2958 mswindows_enqueue_dispatch_event (emacs_event);
|
|
|
2959 UNGCPRO;
|
|
|
2960 }
|
|
|
2961 break;
|
|
|
2962 #endif
|
|
|
2963
|
|
|
2964 defproc:
|
|
|
2965 default:
|
|
|
2966 return DefWindowProc (hwnd, message_, wParam, lParam);
|
|
428
|
2967 }
|
|
|
2968 return (0);
|
|
|
2969 }
|
|
|
2970
|
|
|
2971
|
|
|
2972 /************************************************************************/
|
|
|
2973 /* keyboard, mouse & other helpers for the windows procedure */
|
|
|
2974 /************************************************************************/
|
|
|
2975 static void
|
|
|
2976 mswindows_set_chord_timer (HWND hwnd)
|
|
|
2977 {
|
|
|
2978 int interval;
|
|
|
2979
|
|
|
2980 /* We get one third half system double click threshold */
|
|
|
2981 if (mswindows_mouse_button_tolerance <= 0)
|
|
|
2982 interval = GetDoubleClickTime () / 3;
|
|
|
2983 else
|
|
|
2984 interval = mswindows_mouse_button_tolerance;
|
|
|
2985
|
|
|
2986 SetTimer (hwnd, BUTTON_2_TIMER_ID, interval, 0);
|
|
|
2987 }
|
|
|
2988
|
|
|
2989 static int
|
|
|
2990 mswindows_button2_near_enough (POINTS p1, POINTS p2)
|
|
|
2991 {
|
|
|
2992 int dx, dy;
|
|
|
2993 if (mswindows_mouse_button_max_skew_x <= 0)
|
|
|
2994 dx = GetSystemMetrics (SM_CXDOUBLECLK) / 2;
|
|
|
2995 else
|
|
|
2996 dx = mswindows_mouse_button_max_skew_x;
|
|
|
2997
|
|
|
2998 if (mswindows_mouse_button_max_skew_y <= 0)
|
|
|
2999 dy = GetSystemMetrics (SM_CYDOUBLECLK) / 2;
|
|
|
3000 else
|
|
|
3001 dy = mswindows_mouse_button_max_skew_y;
|
|
|
3002
|
|
|
3003 return abs (p1.x - p2.x) < dx && abs (p1.y- p2.y)< dy;
|
|
|
3004 }
|
|
|
3005
|
|
|
3006 static int
|
|
|
3007 mswindows_current_layout_has_AltGr (void)
|
|
|
3008 {
|
|
|
3009 /* This simple caching mechanism saves 10% of CPU
|
|
|
3010 time when a key typed at autorepeat rate of 30 cps! */
|
|
|
3011 static HKL last_hkl = 0;
|
|
|
3012 static int last_hkl_has_AltGr;
|
|
442
|
3013 HKL current_hkl = (HKL) -1;
|
|
|
3014
|
|
|
3015 if (xGetKeyboardLayout) /* not in NT 3.5 */
|
|
|
3016 current_hkl = xGetKeyboardLayout (0);
|
|
428
|
3017 if (current_hkl != last_hkl)
|
|
|
3018 {
|
|
|
3019 TCHAR c;
|
|
|
3020 last_hkl_has_AltGr = 0;
|
|
|
3021 /* In this loop, we query whether a character requires
|
|
|
3022 AltGr to be down to generate it. If at least such one
|
|
|
3023 found, this means that the layout does regard AltGr */
|
|
|
3024 for (c = ' '; c <= 0xFFU && c != 0 && !last_hkl_has_AltGr; ++c)
|
|
|
3025 if (HIBYTE (VkKeyScan (c)) == 6)
|
|
|
3026 last_hkl_has_AltGr = 1;
|
|
|
3027 last_hkl = current_hkl;
|
|
|
3028 }
|
|
|
3029 return last_hkl_has_AltGr;
|
|
|
3030 }
|
|
|
3031
|
|
|
3032
|
|
|
3033 /* Returns the state of the modifier keys in the format expected by the
|
|
|
3034 * Lisp_Event key_data, button_data and motion_data modifiers member */
|
|
442
|
3035 static int
|
|
|
3036 mswindows_modifier_state (BYTE* keymap, DWORD fwKeys, int has_AltGr)
|
|
428
|
3037 {
|
|
|
3038 int mods = 0;
|
|
442
|
3039 int keys_is_real = 0;
|
|
|
3040 BYTE keymap2[256];
|
|
|
3041
|
|
|
3042 if (fwKeys == (DWORD) -1)
|
|
|
3043 fwKeys = mswindows_last_mouse_button_state;
|
|
|
3044 else
|
|
|
3045 {
|
|
|
3046 keys_is_real = 1;
|
|
|
3047 mswindows_last_mouse_button_state = fwKeys;
|
|
|
3048 }
|
|
428
|
3049
|
|
|
3050 if (keymap == NULL)
|
|
|
3051 {
|
|
442
|
3052 keymap = keymap2;
|
|
428
|
3053 GetKeyboardState (keymap);
|
|
|
3054 has_AltGr = mswindows_current_layout_has_AltGr ();
|
|
|
3055 }
|
|
|
3056
|
|
442
|
3057 /* #### should look at fwKeys for MK_CONTROL. I don't understand how
|
|
|
3058 AltGr works. */
|
|
428
|
3059 if (has_AltGr && (keymap [VK_LCONTROL] & 0x80) && (keymap [VK_RMENU] & 0x80))
|
|
|
3060 {
|
|
442
|
3061 mods |= (keymap [VK_LMENU] & 0x80) ? XEMACS_MOD_META : 0;
|
|
|
3062 mods |= (keymap [VK_RCONTROL] & 0x80) ? XEMACS_MOD_CONTROL : 0;
|
|
428
|
3063 }
|
|
|
3064 else
|
|
|
3065 {
|
|
442
|
3066 mods |= (keymap [VK_MENU] & 0x80) ? XEMACS_MOD_META : 0;
|
|
|
3067 mods |= (keymap [VK_CONTROL] & 0x80) ? XEMACS_MOD_CONTROL : 0;
|
|
428
|
3068 }
|
|
|
3069
|
|
442
|
3070 mods |= (keys_is_real ? fwKeys & MK_SHIFT : (keymap [VK_SHIFT] & 0x80))
|
|
|
3071 ? XEMACS_MOD_SHIFT : 0;
|
|
|
3072 mods |= fwKeys & MK_LBUTTON ? XEMACS_MOD_BUTTON1 : 0;
|
|
|
3073 mods |= fwKeys & MK_MBUTTON ? XEMACS_MOD_BUTTON2 : 0;
|
|
|
3074 mods |= fwKeys & MK_RBUTTON ? XEMACS_MOD_BUTTON3 : 0;
|
|
428
|
3075
|
|
|
3076 return mods;
|
|
|
3077 }
|
|
|
3078
|
|
|
3079 /*
|
|
|
3080 * Translate a mswindows virtual key to a keysym.
|
|
|
3081 * Only returns non-Qnil for keys that don't generate WM_CHAR messages
|
|
|
3082 * or whose ASCII codes (like space) xemacs doesn't like.
|
|
|
3083 */
|
|
|
3084 Lisp_Object mswindows_key_to_emacs_keysym (int mswindows_key, int mods,
|
|
|
3085 int extendedp)
|
|
|
3086 {
|
|
|
3087 if (extendedp) /* Keys not present on a 82 key keyboard */
|
|
|
3088 {
|
|
|
3089 switch (mswindows_key)
|
|
|
3090 {
|
|
442
|
3091 case VK_CANCEL: return KEYSYM ("pause");
|
|
428
|
3092 case VK_RETURN: return KEYSYM ("kp-enter");
|
|
|
3093 case VK_PRIOR: return KEYSYM ("prior");
|
|
|
3094 case VK_NEXT: return KEYSYM ("next");
|
|
|
3095 case VK_END: return KEYSYM ("end");
|
|
|
3096 case VK_HOME: return KEYSYM ("home");
|
|
|
3097 case VK_LEFT: return KEYSYM ("left");
|
|
|
3098 case VK_UP: return KEYSYM ("up");
|
|
|
3099 case VK_RIGHT: return KEYSYM ("right");
|
|
|
3100 case VK_DOWN: return KEYSYM ("down");
|
|
|
3101 case VK_INSERT: return KEYSYM ("insert");
|
|
|
3102 case VK_DELETE: return QKdelete;
|
|
442
|
3103 #if 0 /* FSF Emacs allows these to return configurable syms/mods */
|
|
|
3104 case VK_LWIN return KEYSYM ("");
|
|
|
3105 case VK_RWIN return KEYSYM ("");
|
|
|
3106 #endif
|
|
|
3107 case VK_APPS: return KEYSYM ("menu");
|
|
428
|
3108 }
|
|
|
3109 }
|
|
|
3110 else
|
|
|
3111 {
|
|
|
3112 switch (mswindows_key)
|
|
|
3113 {
|
|
|
3114 case VK_BACK: return QKbackspace;
|
|
|
3115 case VK_TAB: return QKtab;
|
|
|
3116 case '\n': return QKlinefeed;
|
|
|
3117 case VK_CLEAR: return KEYSYM ("clear");
|
|
|
3118 case VK_RETURN: return QKreturn;
|
|
442
|
3119 case VK_PAUSE: return KEYSYM ("pause");
|
|
428
|
3120 case VK_ESCAPE: return QKescape;
|
|
|
3121 case VK_SPACE: return QKspace;
|
|
|
3122 case VK_PRIOR: return KEYSYM ("kp-prior");
|
|
|
3123 case VK_NEXT: return KEYSYM ("kp-next");
|
|
|
3124 case VK_END: return KEYSYM ("kp-end");
|
|
|
3125 case VK_HOME: return KEYSYM ("kp-home");
|
|
|
3126 case VK_LEFT: return KEYSYM ("kp-left");
|
|
|
3127 case VK_UP: return KEYSYM ("kp-up");
|
|
|
3128 case VK_RIGHT: return KEYSYM ("kp-right");
|
|
|
3129 case VK_DOWN: return KEYSYM ("kp-down");
|
|
|
3130 case VK_SELECT: return KEYSYM ("select");
|
|
|
3131 case VK_PRINT: return KEYSYM ("print");
|
|
|
3132 case VK_EXECUTE: return KEYSYM ("execute");
|
|
|
3133 case VK_SNAPSHOT: return KEYSYM ("print");
|
|
|
3134 case VK_INSERT: return KEYSYM ("kp-insert");
|
|
|
3135 case VK_DELETE: return KEYSYM ("kp-delete");
|
|
|
3136 case VK_HELP: return KEYSYM ("help");
|
|
|
3137 case VK_NUMPAD0: return KEYSYM ("kp-0");
|
|
|
3138 case VK_NUMPAD1: return KEYSYM ("kp-1");
|
|
|
3139 case VK_NUMPAD2: return KEYSYM ("kp-2");
|
|
|
3140 case VK_NUMPAD3: return KEYSYM ("kp-3");
|
|
|
3141 case VK_NUMPAD4: return KEYSYM ("kp-4");
|
|
|
3142 case VK_NUMPAD5: return KEYSYM ("kp-5");
|
|
|
3143 case VK_NUMPAD6: return KEYSYM ("kp-6");
|
|
|
3144 case VK_NUMPAD7: return KEYSYM ("kp-7");
|
|
|
3145 case VK_NUMPAD8: return KEYSYM ("kp-8");
|
|
|
3146 case VK_NUMPAD9: return KEYSYM ("kp-9");
|
|
|
3147 case VK_MULTIPLY: return KEYSYM ("kp-multiply");
|
|
|
3148 case VK_ADD: return KEYSYM ("kp-add");
|
|
|
3149 case VK_SEPARATOR: return KEYSYM ("kp-separator");
|
|
|
3150 case VK_SUBTRACT: return KEYSYM ("kp-subtract");
|
|
|
3151 case VK_DECIMAL: return KEYSYM ("kp-decimal");
|
|
|
3152 case VK_DIVIDE: return KEYSYM ("kp-divide");
|
|
|
3153 case VK_F1: return KEYSYM ("f1");
|
|
|
3154 case VK_F2: return KEYSYM ("f2");
|
|
|
3155 case VK_F3: return KEYSYM ("f3");
|
|
|
3156 case VK_F4: return KEYSYM ("f4");
|
|
|
3157 case VK_F5: return KEYSYM ("f5");
|
|
|
3158 case VK_F6: return KEYSYM ("f6");
|
|
|
3159 case VK_F7: return KEYSYM ("f7");
|
|
|
3160 case VK_F8: return KEYSYM ("f8");
|
|
|
3161 case VK_F9: return KEYSYM ("f9");
|
|
|
3162 case VK_F10: return KEYSYM ("f10");
|
|
|
3163 case VK_F11: return KEYSYM ("f11");
|
|
|
3164 case VK_F12: return KEYSYM ("f12");
|
|
|
3165 case VK_F13: return KEYSYM ("f13");
|
|
|
3166 case VK_F14: return KEYSYM ("f14");
|
|
|
3167 case VK_F15: return KEYSYM ("f15");
|
|
|
3168 case VK_F16: return KEYSYM ("f16");
|
|
|
3169 case VK_F17: return KEYSYM ("f17");
|
|
|
3170 case VK_F18: return KEYSYM ("f18");
|
|
|
3171 case VK_F19: return KEYSYM ("f19");
|
|
|
3172 case VK_F20: return KEYSYM ("f20");
|
|
|
3173 case VK_F21: return KEYSYM ("f21");
|
|
|
3174 case VK_F22: return KEYSYM ("f22");
|
|
|
3175 case VK_F23: return KEYSYM ("f23");
|
|
|
3176 case VK_F24: return KEYSYM ("f24");
|
|
|
3177 }
|
|
|
3178 }
|
|
|
3179 return Qnil;
|
|
|
3180 }
|
|
|
3181
|
|
|
3182 /*
|
|
|
3183 * Find the console that matches the supplied mswindows window handle
|
|
|
3184 */
|
|
|
3185 Lisp_Object
|
|
|
3186 mswindows_find_console (HWND hwnd)
|
|
|
3187 {
|
|
|
3188 /* We only support one console */
|
|
|
3189 return XCAR (Vconsole_list);
|
|
|
3190 }
|
|
|
3191
|
|
|
3192 /*
|
|
|
3193 * Find the frame that matches the supplied mswindows window handle
|
|
|
3194 */
|
|
|
3195 static Lisp_Object
|
|
|
3196 mswindows_find_frame (HWND hwnd)
|
|
|
3197 {
|
|
|
3198 LONG l = GetWindowLong (hwnd, XWL_FRAMEOBJ);
|
|
|
3199 Lisp_Object f;
|
|
|
3200 if (l == 0)
|
|
|
3201 {
|
|
|
3202 /* We are in progress of frame creation. Return the frame
|
|
|
3203 being created, as it still not remembered in the window
|
|
|
3204 extra storage. */
|
|
|
3205 assert (!NILP (Vmswindows_frame_being_created));
|
|
|
3206 return Vmswindows_frame_being_created;
|
|
|
3207 }
|
|
|
3208 VOID_TO_LISP (f, l);
|
|
|
3209 return f;
|
|
|
3210 }
|
|
|
3211
|
|
|
3212
|
|
|
3213 /************************************************************************/
|
|
|
3214 /* methods */
|
|
|
3215 /************************************************************************/
|
|
|
3216
|
|
|
3217 static int
|
|
|
3218 emacs_mswindows_add_timeout (EMACS_TIME thyme)
|
|
|
3219 {
|
|
|
3220 int milliseconds;
|
|
|
3221 EMACS_TIME current_time;
|
|
|
3222 EMACS_GET_TIME (current_time);
|
|
|
3223 EMACS_SUB_TIME (thyme, thyme, current_time);
|
|
|
3224 milliseconds = EMACS_SECS (thyme) * 1000 +
|
|
|
3225 (EMACS_USECS (thyme) + 500) / 1000;
|
|
|
3226 if (milliseconds < 1)
|
|
|
3227 milliseconds = 1;
|
|
|
3228 ++mswindows_pending_timers_count;
|
|
|
3229 return SetTimer (NULL, 0, milliseconds,
|
|
|
3230 (TIMERPROC) mswindows_wm_timer_callback);
|
|
|
3231 }
|
|
|
3232
|
|
|
3233 static void
|
|
|
3234 emacs_mswindows_remove_timeout (int id)
|
|
|
3235 {
|
|
440
|
3236 Lisp_Event match_against;
|
|
428
|
3237 Lisp_Object emacs_event;
|
|
|
3238
|
|
|
3239 if (KillTimer (NULL, id))
|
|
|
3240 --mswindows_pending_timers_count;
|
|
|
3241
|
|
|
3242 /* If there is a dispatch event generated by this
|
|
|
3243 timeout in the queue, we have to remove it too. */
|
|
|
3244 match_against.event_type = timeout_event;
|
|
|
3245 match_against.event.timeout.interval_id = id;
|
|
|
3246 emacs_event = mswindows_cancel_dispatch_event (&match_against);
|
|
|
3247 if (!NILP (emacs_event))
|
|
|
3248 Fdeallocate_event(emacs_event);
|
|
|
3249 }
|
|
|
3250
|
|
|
3251 /* If `user_p' is false, then return whether there are any win32, timeout,
|
|
|
3252 * or subprocess events pending (that is, whether
|
|
|
3253 * emacs_mswindows_next_event() would return immediately without blocking).
|
|
|
3254 *
|
|
|
3255 * if `user_p' is true, then return whether there are any *user generated*
|
|
|
3256 * events available (that is, whether there are keyboard or mouse-click
|
|
|
3257 * events ready to be read). This also implies that
|
|
|
3258 * emacs_mswindows_next_event() would not block.
|
|
|
3259 */
|
|
|
3260 static int
|
|
|
3261 emacs_mswindows_event_pending_p (int user_p)
|
|
|
3262 {
|
|
|
3263 mswindows_need_event (0);
|
|
|
3264 return (!NILP (mswindows_u_dispatch_event_queue)
|
|
|
3265 || (!user_p && !NILP (mswindows_s_dispatch_event_queue)));
|
|
|
3266 }
|
|
|
3267
|
|
|
3268 /*
|
|
|
3269 * Return the next event
|
|
|
3270 */
|
|
|
3271 static void
|
|
440
|
3272 emacs_mswindows_next_event (Lisp_Event *emacs_event)
|
|
428
|
3273 {
|
|
|
3274 Lisp_Object event, event2;
|
|
|
3275
|
|
|
3276 mswindows_need_event (1);
|
|
|
3277
|
|
|
3278 event = mswindows_dequeue_dispatch_event ();
|
|
|
3279 XSETEVENT (event2, emacs_event);
|
|
|
3280 Fcopy_event (event, event2);
|
|
|
3281 Fdeallocate_event (event);
|
|
|
3282 }
|
|
|
3283
|
|
|
3284 /*
|
|
|
3285 * Handle a magic event off the dispatch queue.
|
|
|
3286 */
|
|
|
3287 static void
|
|
440
|
3288 emacs_mswindows_handle_magic_event (Lisp_Event *emacs_event)
|
|
428
|
3289 {
|
|
|
3290 switch (EVENT_MSWINDOWS_MAGIC_TYPE(emacs_event))
|
|
|
3291 {
|
|
|
3292 case XM_BUMPQUEUE:
|
|
|
3293 break;
|
|
|
3294
|
|
442
|
3295 case WM_PAINT:
|
|
|
3296 {
|
|
|
3297 struct frame *f = XFRAME (EVENT_CHANNEL (emacs_event));
|
|
|
3298 mswindows_handle_paint (f);
|
|
|
3299 (FRAME_MSWINDOWS_DATA (f))->paint_pending = 0;
|
|
|
3300 }
|
|
|
3301 break;
|
|
|
3302
|
|
428
|
3303 case WM_SETFOCUS:
|
|
|
3304 case WM_KILLFOCUS:
|
|
|
3305 {
|
|
|
3306 Lisp_Object frame = EVENT_CHANNEL (emacs_event);
|
|
|
3307 struct frame *f = XFRAME (frame);
|
|
|
3308 int in_p = (EVENT_MSWINDOWS_MAGIC_TYPE(emacs_event) == WM_SETFOCUS);
|
|
|
3309 Lisp_Object conser;
|
|
442
|
3310 struct gcpro gcpro1;
|
|
|
3311
|
|
|
3312 /* On focus change, clear all memory of sticky modifiers
|
|
|
3313 to avoid non-intuitive behavior. */
|
|
|
3314 clear_sticky_modifiers ();
|
|
428
|
3315
|
|
|
3316 conser = Fcons (frame, Fcons (FRAME_DEVICE (f), in_p ? Qt : Qnil));
|
|
442
|
3317 GCPRO1 (conser);
|
|
428
|
3318 emacs_handle_focus_change_preliminary (conser);
|
|
|
3319 /* Under X the stuff up to here is done in the X event handler.
|
|
|
3320 I Don't know why */
|
|
|
3321 emacs_handle_focus_change_final (conser);
|
|
442
|
3322 UNGCPRO;
|
|
428
|
3323
|
|
|
3324 }
|
|
|
3325 break;
|
|
|
3326
|
|
|
3327 case XM_MAPFRAME:
|
|
|
3328 case XM_UNMAPFRAME:
|
|
|
3329 {
|
|
|
3330 Lisp_Object frame = EVENT_CHANNEL (emacs_event);
|
|
|
3331 va_run_hook_with_args (EVENT_MSWINDOWS_MAGIC_TYPE(emacs_event)
|
|
|
3332 == XM_MAPFRAME ?
|
|
|
3333 Qmap_frame_hook : Qunmap_frame_hook,
|
|
|
3334 1, frame);
|
|
|
3335 }
|
|
|
3336 break;
|
|
|
3337
|
|
|
3338 /* #### What about Enter & Leave */
|
|
|
3339 #if 0
|
|
|
3340 va_run_hook_with_args (in_p ? Qmouse_enter_frame_hook :
|
|
|
3341 Qmouse_leave_frame_hook, 1, frame);
|
|
|
3342 #endif
|
|
|
3343
|
|
|
3344 default:
|
|
|
3345 assert(0);
|
|
|
3346 }
|
|
|
3347 }
|
|
|
3348
|
|
|
3349 #ifndef HAVE_MSG_SELECT
|
|
|
3350 static HANDLE
|
|
440
|
3351 get_process_input_waitable (Lisp_Process *process)
|
|
428
|
3352 {
|
|
|
3353 Lisp_Object instr, outstr, p;
|
|
|
3354 XSETPROCESS (p, process);
|
|
|
3355 get_process_streams (process, &instr, &outstr);
|
|
|
3356 assert (!NILP (instr));
|
|
|
3357 #if defined (HAVE_SOCKETS) && !defined(HAVE_MSG_SELECT)
|
|
|
3358 return (network_connection_p (p)
|
|
|
3359 ? get_winsock_stream_waitable (XLSTREAM (instr))
|
|
|
3360 : get_ntpipe_input_stream_waitable (XLSTREAM (instr)));
|
|
|
3361 #else
|
|
442
|
3362 return get_ntpipe_input_stream_waitable (XLSTREAM (instr));
|
|
428
|
3363 #endif
|
|
|
3364 }
|
|
|
3365
|
|
|
3366 static void
|
|
440
|
3367 emacs_mswindows_select_process (Lisp_Process *process)
|
|
428
|
3368 {
|
|
|
3369 HANDLE hev = get_process_input_waitable (process);
|
|
|
3370
|
|
|
3371 if (!add_waitable_handle (hev))
|
|
|
3372 error ("Too many active processes");
|
|
|
3373
|
|
|
3374 #ifdef HAVE_WIN32_PROCESSES
|
|
|
3375 {
|
|
|
3376 Lisp_Object p;
|
|
|
3377 XSETPROCESS (p, process);
|
|
|
3378 if (!network_connection_p (p))
|
|
|
3379 {
|
|
|
3380 HANDLE hprocess = get_nt_process_handle (process);
|
|
|
3381 if (!add_waitable_handle (hprocess))
|
|
|
3382 {
|
|
|
3383 remove_waitable_handle (hev);
|
|
|
3384 error ("Too many active processes");
|
|
|
3385 }
|
|
|
3386 }
|
|
|
3387 }
|
|
|
3388 #endif
|
|
|
3389 }
|
|
|
3390
|
|
|
3391 static void
|
|
440
|
3392 emacs_mswindows_unselect_process (Lisp_Process *process)
|
|
428
|
3393 {
|
|
|
3394 /* Process handle is removed in the event loop as soon
|
|
|
3395 as it is signaled, so don't bother here about it */
|
|
|
3396 HANDLE hev = get_process_input_waitable (process);
|
|
|
3397 remove_waitable_handle (hev);
|
|
|
3398 }
|
|
|
3399 #endif /* HAVE_MSG_SELECT */
|
|
|
3400
|
|
|
3401 static void
|
|
|
3402 emacs_mswindows_select_console (struct console *con)
|
|
|
3403 {
|
|
|
3404 #ifdef HAVE_MSG_SELECT
|
|
|
3405 if (CONSOLE_MSWINDOWS_P (con))
|
|
|
3406 return; /* mswindows consoles are automatically selected */
|
|
|
3407
|
|
|
3408 event_stream_unixoid_select_console (con);
|
|
|
3409 #endif
|
|
|
3410 }
|
|
|
3411
|
|
|
3412 static void
|
|
|
3413 emacs_mswindows_unselect_console (struct console *con)
|
|
|
3414 {
|
|
|
3415 #ifdef HAVE_MSG_SELECT
|
|
|
3416 if (CONSOLE_MSWINDOWS_P (con))
|
|
|
3417 return; /* mswindows consoles are automatically selected */
|
|
|
3418
|
|
|
3419 event_stream_unixoid_unselect_console (con);
|
|
|
3420 #endif
|
|
|
3421 }
|
|
|
3422
|
|
|
3423 static void
|
|
|
3424 emacs_mswindows_quit_p (void)
|
|
|
3425 {
|
|
|
3426 /* Quit cannot happen in modal loop: all program
|
|
|
3427 input is dedicated to Windows. */
|
|
|
3428 if (mswindows_in_modal_loop)
|
|
|
3429 return;
|
|
|
3430
|
|
440
|
3431 /* Drain windows queue. This sets up number of quit characters in
|
|
|
3432 the queue */
|
|
442
|
3433 mswindows_drain_windows_queue ();
|
|
428
|
3434
|
|
|
3435 if (mswindows_quit_chars_count > 0)
|
|
|
3436 {
|
|
|
3437 /* Yes there's a hidden one... Throw it away */
|
|
440
|
3438 Lisp_Event match_against;
|
|
428
|
3439 Lisp_Object emacs_event;
|
|
440
|
3440 int critical_p = 0;
|
|
428
|
3441
|
|
|
3442 match_against.event_type = key_press_event;
|
|
|
3443 match_against.event.key.modifiers = FAKE_MOD_QUIT;
|
|
|
3444
|
|
440
|
3445 while (mswindows_quit_chars_count-- > 0)
|
|
|
3446 {
|
|
|
3447 emacs_event = mswindows_cancel_dispatch_event (&match_against);
|
|
|
3448 assert (!NILP (emacs_event));
|
|
442
|
3449
|
|
|
3450 if (XEVENT(emacs_event)->event.key.modifiers & XEMACS_MOD_SHIFT)
|
|
440
|
3451 critical_p = 1;
|
|
|
3452
|
|
|
3453 Fdeallocate_event(emacs_event);
|
|
|
3454 }
|
|
|
3455
|
|
|
3456 Vquit_flag = critical_p ? Qcritical : Qt;
|
|
428
|
3457 }
|
|
|
3458 }
|
|
|
3459
|
|
|
3460 USID
|
|
|
3461 emacs_mswindows_create_stream_pair (void* inhandle, void* outhandle,
|
|
|
3462 Lisp_Object* instream,
|
|
|
3463 Lisp_Object* outstream,
|
|
|
3464 int flags)
|
|
|
3465 {
|
|
|
3466 /* Handles for streams */
|
|
|
3467 HANDLE hin, hout;
|
|
|
3468 /* fds. These just stored along with the streams, and are closed in
|
|
|
3469 delete stream pair method, because we need to handle fake unices
|
|
|
3470 here. */
|
|
|
3471 int fdi, fdo;
|
|
|
3472
|
|
|
3473 /* Decode inhandle and outhandle. Their meaning depends on
|
|
|
3474 the process implementation being used. */
|
|
|
3475 #if defined (HAVE_WIN32_PROCESSES)
|
|
|
3476 /* We're passed in Windows handles. That's what we like most... */
|
|
|
3477 hin = (HANDLE) inhandle;
|
|
|
3478 hout = (HANDLE) outhandle;
|
|
|
3479 fdi = fdo = -1;
|
|
|
3480 #elif defined (HAVE_UNIX_PROCESSES)
|
|
|
3481 /* We are passed UNIX fds. This must be Cygwin.
|
|
|
3482 Fetch os handles */
|
|
|
3483 hin = inhandle >= 0 ? (HANDLE)get_osfhandle ((int)inhandle) : INVALID_HANDLE_VALUE;
|
|
|
3484 hout = outhandle >= 0 ? (HANDLE)get_osfhandle ((int)outhandle) : INVALID_HANDLE_VALUE;
|
|
|
3485 fdi=(int)inhandle;
|
|
|
3486 fdo=(int)outhandle;
|
|
|
3487 #else
|
|
|
3488 #error "So, WHICH kind of processes do you want?"
|
|
|
3489 #endif
|
|
|
3490
|
|
|
3491 *instream = (hin == INVALID_HANDLE_VALUE
|
|
|
3492 ? Qnil
|
|
|
3493 #if defined (HAVE_SOCKETS) && !defined (HAVE_MSG_SELECT)
|
|
|
3494 : flags & STREAM_NETWORK_CONNECTION
|
|
|
3495 ? make_winsock_input_stream ((SOCKET)hin, fdi)
|
|
|
3496 #endif
|
|
|
3497 : make_ntpipe_input_stream (hin, fdi));
|
|
|
3498
|
|
|
3499 #ifdef HAVE_WIN32_PROCESSES
|
|
|
3500 *outstream = (hout == INVALID_HANDLE_VALUE
|
|
|
3501 ? Qnil
|
|
|
3502 #if defined (HAVE_SOCKETS) && !defined (HAVE_MSG_SELECT)
|
|
|
3503 : flags & STREAM_NETWORK_CONNECTION
|
|
|
3504 ? make_winsock_output_stream ((SOCKET)hout, fdo)
|
|
|
3505 #endif
|
|
|
3506 : make_ntpipe_output_stream (hout, fdo));
|
|
|
3507 #elif defined (HAVE_UNIX_PROCESSES)
|
|
|
3508 *outstream = (fdo >= 0
|
|
|
3509 ? make_filedesc_output_stream (fdo, 0, -1, LSTR_BLOCKED_OK)
|
|
|
3510 : Qnil);
|
|
|
3511
|
|
|
3512 #if defined(HAVE_UNIX_PROCESSES) && defined(HAVE_PTYS)
|
|
|
3513 /* FLAGS is process->pty_flag for UNIX_PROCESSES */
|
|
|
3514 if ((flags & STREAM_PTY_FLUSHING) && fdo >= 0)
|
|
|
3515 {
|
|
|
3516 Bufbyte eof_char = get_eof_char (fdo);
|
|
|
3517 int pty_max_bytes = get_pty_max_bytes (fdo);
|
|
|
3518 filedesc_stream_set_pty_flushing (XLSTREAM(*outstream), pty_max_bytes, eof_char);
|
|
|
3519 }
|
|
|
3520 #endif
|
|
|
3521 #endif
|
|
|
3522
|
|
|
3523 return (NILP (*instream)
|
|
|
3524 ? USID_ERROR
|
|
|
3525 #if defined(HAVE_SOCKETS) && !defined(HAVE_MSG_SELECT)
|
|
|
3526 : flags & STREAM_NETWORK_CONNECTION
|
|
|
3527 ? HANDLE_TO_USID (get_winsock_stream_waitable (XLSTREAM (*instream)))
|
|
|
3528 #endif
|
|
|
3529 : HANDLE_TO_USID (get_ntpipe_input_stream_waitable (XLSTREAM (*instream))));
|
|
|
3530 }
|
|
|
3531
|
|
|
3532 USID
|
|
|
3533 emacs_mswindows_delete_stream_pair (Lisp_Object instream,
|
|
442
|
3534 Lisp_Object outstream)
|
|
428
|
3535 {
|
|
|
3536 /* Oh nothing special here for Win32 at all */
|
|
|
3537 #if defined (HAVE_UNIX_PROCESSES)
|
|
|
3538 int in = (NILP(instream)
|
|
|
3539 ? -1
|
|
|
3540 #if defined(HAVE_SOCKETS) && !defined(HAVE_MSG_SELECT)
|
|
|
3541 : LSTREAM_TYPE_P (XLSTREAM (instream), winsock)
|
|
|
3542 ? get_winsock_stream_param (XLSTREAM (instream))
|
|
|
3543 #endif
|
|
|
3544 : get_ntpipe_input_stream_param (XLSTREAM (instream)));
|
|
|
3545 int out = (NILP(outstream) ? -1
|
|
|
3546 : filedesc_stream_fd (XLSTREAM (outstream)));
|
|
|
3547
|
|
|
3548 if (in >= 0)
|
|
|
3549 close (in);
|
|
|
3550 if (out != in && out >= 0)
|
|
|
3551 close (out);
|
|
|
3552 #endif
|
|
|
3553
|
|
|
3554 return (NILP (instream)
|
|
|
3555 ? USID_DONTHASH
|
|
|
3556 #if defined(HAVE_SOCKETS) && !defined(HAVE_MSG_SELECT)
|
|
|
3557 : LSTREAM_TYPE_P (XLSTREAM (instream), winsock)
|
|
|
3558 ? HANDLE_TO_USID (get_winsock_stream_waitable (XLSTREAM (instream)))
|
|
|
3559 #endif
|
|
|
3560 : HANDLE_TO_USID (get_ntpipe_input_stream_waitable (XLSTREAM (instream))));
|
|
|
3561 }
|
|
|
3562
|
|
442
|
3563 static int
|
|
|
3564 emacs_mswindows_current_event_timestamp (struct console *c)
|
|
|
3565 {
|
|
|
3566 return GetTickCount ();
|
|
|
3567 }
|
|
|
3568
|
|
428
|
3569 #ifndef HAVE_X_WINDOWS
|
|
|
3570 /* This is called from GC when a process object is about to be freed.
|
|
|
3571 If we've still got pointers to it in this file, we're gonna lose hard.
|
|
|
3572 */
|
|
|
3573 void
|
|
440
|
3574 debug_process_finalization (Lisp_Process *p)
|
|
428
|
3575 {
|
|
|
3576 #if 0 /* #### */
|
|
|
3577 Lisp_Object instr, outstr;
|
|
|
3578
|
|
|
3579 get_process_streams (p, &instr, &outstr);
|
|
|
3580 /* if it still has fds, then it hasn't been killed yet. */
|
|
|
3581 assert (NILP(instr));
|
|
|
3582 assert (NILP(outstr));
|
|
|
3583
|
|
|
3584 /* #### More checks here */
|
|
|
3585 #endif
|
|
|
3586 }
|
|
|
3587 #endif
|
|
|
3588
|
|
|
3589 /************************************************************************/
|
|
|
3590 /* initialization */
|
|
|
3591 /************************************************************************/
|
|
|
3592
|
|
|
3593 void
|
|
|
3594 reinit_vars_of_event_mswindows (void)
|
|
|
3595 {
|
|
|
3596 mswindows_in_modal_loop = 0;
|
|
|
3597 mswindows_pending_timers_count = 0;
|
|
|
3598
|
|
|
3599 mswindows_event_stream = xnew (struct event_stream);
|
|
|
3600
|
|
|
3601 mswindows_event_stream->event_pending_p = emacs_mswindows_event_pending_p;
|
|
442
|
3602 mswindows_event_stream->force_event_pending = 0;
|
|
428
|
3603 mswindows_event_stream->next_event_cb = emacs_mswindows_next_event;
|
|
|
3604 mswindows_event_stream->handle_magic_event_cb = emacs_mswindows_handle_magic_event;
|
|
|
3605 mswindows_event_stream->add_timeout_cb = emacs_mswindows_add_timeout;
|
|
|
3606 mswindows_event_stream->remove_timeout_cb = emacs_mswindows_remove_timeout;
|
|
|
3607 mswindows_event_stream->quit_p_cb = emacs_mswindows_quit_p;
|
|
|
3608 mswindows_event_stream->select_console_cb = emacs_mswindows_select_console;
|
|
|
3609 mswindows_event_stream->unselect_console_cb = emacs_mswindows_unselect_console;
|
|
|
3610 #ifdef HAVE_MSG_SELECT
|
|
|
3611 mswindows_event_stream->select_process_cb =
|
|
440
|
3612 (void (*)(Lisp_Process*))event_stream_unixoid_select_process;
|
|
428
|
3613 mswindows_event_stream->unselect_process_cb =
|
|
440
|
3614 (void (*)(Lisp_Process*))event_stream_unixoid_unselect_process;
|
|
428
|
3615 mswindows_event_stream->create_stream_pair_cb = event_stream_unixoid_create_stream_pair;
|
|
|
3616 mswindows_event_stream->delete_stream_pair_cb = event_stream_unixoid_delete_stream_pair;
|
|
|
3617 #else
|
|
|
3618 mswindows_event_stream->select_process_cb = emacs_mswindows_select_process;
|
|
|
3619 mswindows_event_stream->unselect_process_cb = emacs_mswindows_unselect_process;
|
|
|
3620 mswindows_event_stream->create_stream_pair_cb = emacs_mswindows_create_stream_pair;
|
|
|
3621 mswindows_event_stream->delete_stream_pair_cb = emacs_mswindows_delete_stream_pair;
|
|
|
3622 #endif
|
|
442
|
3623 mswindows_event_stream->current_event_timestamp_cb =
|
|
|
3624 emacs_mswindows_current_event_timestamp;
|
|
428
|
3625 }
|
|
|
3626
|
|
|
3627 void
|
|
|
3628 vars_of_event_mswindows (void)
|
|
|
3629 {
|
|
|
3630 reinit_vars_of_event_mswindows ();
|
|
|
3631
|
|
|
3632 mswindows_u_dispatch_event_queue = Qnil;
|
|
|
3633 staticpro (&mswindows_u_dispatch_event_queue);
|
|
|
3634 mswindows_u_dispatch_event_queue_tail = Qnil;
|
|
|
3635 pdump_wire (&mswindows_u_dispatch_event_queue_tail);
|
|
|
3636
|
|
|
3637 mswindows_s_dispatch_event_queue = Qnil;
|
|
|
3638 staticpro (&mswindows_s_dispatch_event_queue);
|
|
|
3639 mswindows_s_dispatch_event_queue_tail = Qnil;
|
|
438
|
3640 pdump_wire (&mswindows_s_dispatch_event_queue_tail);
|
|
428
|
3641
|
|
|
3642 mswindows_error_caught_in_modal_loop = Qnil;
|
|
|
3643 staticpro (&mswindows_error_caught_in_modal_loop);
|
|
|
3644
|
|
442
|
3645
|
|
|
3646 #ifdef DEBUG_XEMACS
|
|
|
3647 DEFVAR_INT ("debug-mswindows-events", &debug_mswindows_events /*
|
|
|
3648 If non-zero, display debug information about Windows events that XEmacs sees.
|
|
|
3649 Information is displayed in a console window. Currently defined values are:
|
|
|
3650
|
|
|
3651 1 == non-verbose output
|
|
|
3652 2 == verbose output
|
|
|
3653
|
|
|
3654 #### Unfortunately, not yet implemented.
|
|
|
3655 */ );
|
|
|
3656 debug_mswindows_events = 0;
|
|
|
3657 #endif
|
|
|
3658
|
|
|
3659 DEFVAR_BOOL ("mswindows-alt-by-itself-activates-menu",
|
|
|
3660 &mswindows_alt_by_itself_activates_menu /*
|
|
|
3661 *Controls whether pressing and releasing the Alt key activates the menubar.
|
|
|
3662 This applies only if no intervening key was pressed. See also
|
|
|
3663 `menu-accelerator-enabled', which is probably the behavior you actually want.
|
|
428
|
3664 Default is t.
|
|
|
3665 */ );
|
|
|
3666
|
|
442
|
3667 DEFVAR_BOOL ("mswindows-dynamic-frame-resize",
|
|
|
3668 &mswindows_dynamic_frame_resize /*
|
|
428
|
3669 *Controls redrawing frame contents during mouse-drag or keyboard resize
|
|
|
3670 operation. When non-nil, the frame is redrawn while being resized. When
|
|
|
3671 nil, frame is not redrawn, and exposed areas are filled with default
|
|
|
3672 MDI application background color. Note that this option only has effect
|
|
|
3673 if "Show window contents while dragging" is on in system Display/Plus!
|
|
|
3674 settings.
|
|
|
3675 Default is t on fast machines, nil on slow.
|
|
|
3676 */ );
|
|
|
3677
|
|
442
|
3678 DEFVAR_INT ("mswindows-mouse-button-tolerance",
|
|
|
3679 &mswindows_mouse_button_tolerance /*
|
|
428
|
3680 *Analogue of double click interval for faking middle mouse events.
|
|
|
3681 The value is the minimum time in milliseconds that must elapse between
|
|
|
3682 left/right button down events before they are considered distinct events.
|
|
|
3683 If both mouse buttons are depressed within this interval, a middle mouse
|
|
|
3684 button down event is generated instead.
|
|
|
3685 If negative or zero, currently set system default is used instead.
|
|
|
3686 */ );
|
|
|
3687
|
|
|
3688 DEFVAR_INT ("mswindows-num-mouse-buttons", &mswindows_num_mouse_buttons /*
|
|
|
3689 Number of physical mouse buttons.
|
|
|
3690 */ );
|
|
|
3691
|
|
442
|
3692 DEFVAR_INT ("mswindows-mouse-button-max-skew-x",
|
|
|
3693 &mswindows_mouse_button_max_skew_x /*
|
|
428
|
3694 *Maximum horizontal distance in pixels between points in which left and
|
|
|
3695 right button clicks occurred for them to be translated into single
|
|
|
3696 middle button event. Clicks must occur in time not longer than defined
|
|
|
3697 by the variable `mswindows-mouse-button-tolerance'.
|
|
|
3698 If negative or zero, currently set system default is used instead.
|
|
|
3699 */ );
|
|
|
3700
|
|
442
|
3701 DEFVAR_INT ("mswindows-mouse-button-max-skew-y",
|
|
|
3702 &mswindows_mouse_button_max_skew_y /*
|
|
428
|
3703 *Maximum vertical distance in pixels between points in which left and
|
|
|
3704 right button clicks occurred for them to be translated into single
|
|
|
3705 middle button event. Clicks must occur in time not longer than defined
|
|
|
3706 by the variable `mswindows-mouse-button-tolerance'.
|
|
|
3707 If negative or zero, currently set system default is used instead.
|
|
|
3708 */ );
|
|
|
3709
|
|
|
3710 mswindows_mouse_button_max_skew_x = 0;
|
|
|
3711 mswindows_mouse_button_max_skew_y = 0;
|
|
|
3712 mswindows_mouse_button_tolerance = 0;
|
|
442
|
3713 mswindows_alt_by_itself_activates_menu = 1;
|
|
428
|
3714 }
|
|
|
3715
|
|
|
3716 void
|
|
|
3717 syms_of_event_mswindows (void)
|
|
|
3718 {
|
|
|
3719 }
|
|
|
3720
|
|
|
3721 void
|
|
|
3722 lstream_type_create_mswindows_selectable (void)
|
|
|
3723 {
|
|
|
3724 init_slurp_stream ();
|
|
|
3725 init_shove_stream ();
|
|
|
3726 #if defined (HAVE_SOCKETS) && !defined(HAVE_MSG_SELECT)
|
|
|
3727 init_winsock_stream ();
|
|
|
3728 #endif
|
|
|
3729 }
|
|
|
3730
|
|
|
3731 void
|
|
|
3732 init_event_mswindows_late (void)
|
|
|
3733 {
|
|
|
3734 #ifdef HAVE_MSG_SELECT
|
|
|
3735 windows_fd = open("/dev/windows", O_RDONLY | O_NONBLOCK, 0);
|
|
|
3736 assert (windows_fd>=0);
|
|
|
3737 FD_SET (windows_fd, &input_wait_mask);
|
|
|
3738 FD_ZERO(&zero_mask);
|
|
|
3739 #endif
|
|
|
3740
|
|
|
3741 event_stream = mswindows_event_stream;
|
|
|
3742
|
|
|
3743 mswindows_dynamic_frame_resize = !GetSystemMetrics (SM_SLOWMACHINE);
|
|
|
3744 mswindows_num_mouse_buttons = GetSystemMetrics (SM_CMOUSEBUTTONS);
|
|
|
3745 }
|
