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428
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1 /* The mswindows event_stream interface.
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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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4 Copyright (C) 1996 Ben Wing.
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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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44 # include "menubar-msw.h"
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45 #endif
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46
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47 #ifdef HAVE_DRAGNDROP
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48 # include "dragdrop.h"
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49 #endif
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50
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51 #include "device.h"
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52 #include "events.h"
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53 #include "frame.h"
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54 #include "buffer.h"
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55 #include "faces.h"
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56 #include "lstream.h"
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57 #include "process.h"
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58 #include "redisplay.h"
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430
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59 #include "select.h"
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428
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60 #include "sysproc.h"
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61 #include "syswait.h"
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62 #include "systime.h"
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63 #include "sysdep.h"
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64 #include "objects-msw.h"
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65
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66 #include "events-mod.h"
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67 #ifdef HAVE_MSG_SELECT
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68 #include "sysfile.h"
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69 #include "console-tty.h"
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70 #elif defined(__CYGWIN32__)
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71 typedef unsigned int SOCKET;
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72 #endif
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73 #include <io.h>
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74 #include <errno.h>
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75
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434
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76 #if defined (__CYGWIN32__) && (CYGWIN_VERSION_DLL_MAJOR < 20)
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428
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77 typedef NMHDR *LPNMHDR;
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78 #endif
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79
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80 #ifdef HAVE_MENUBARS
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81 #define ADJR_MENUFLAG TRUE
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82 #else
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83 #define ADJR_MENUFLAG FALSE
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84 #endif
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85
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86 /* Fake key modifier which is attached to a quit char event.
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87 Removed upon dequeueing an event */
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88 #define FAKE_MOD_QUIT 0x80
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89
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90 /* Timer ID used for button2 emulation */
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91 #define BUTTON_2_TIMER_ID 1
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92
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93 static Lisp_Object mswindows_find_frame (HWND hwnd);
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94 static Lisp_Object mswindows_find_console (HWND hwnd);
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95 static Lisp_Object mswindows_key_to_emacs_keysym (int mswindows_key, int mods,
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96 int extendedp);
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97 static int mswindows_modifier_state (BYTE* keymap, int has_AltGr);
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98 static void mswindows_set_chord_timer (HWND hwnd);
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99 static int mswindows_button2_near_enough (POINTS p1, POINTS p2);
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100 static int mswindows_current_layout_has_AltGr (void);
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101
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102 static struct event_stream *mswindows_event_stream;
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103
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104 #ifdef HAVE_MSG_SELECT
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105 extern SELECT_TYPE input_wait_mask, non_fake_input_wait_mask;
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106 extern SELECT_TYPE process_only_mask, tty_only_mask;
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107 SELECT_TYPE zero_mask;
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108 extern int signal_event_pipe_initialized;
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109 int windows_fd;
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110 #endif
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111
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112 /*
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113 * Two separate queues, for efficiency, one (_u_) for user events, and
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114 * another (_s_) for non-user ones. We always return events out of the
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115 * first one until it is empty and only then proceed with the second
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116 * one.
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117 */
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118 static Lisp_Object mswindows_u_dispatch_event_queue, mswindows_u_dispatch_event_queue_tail;
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119 static Lisp_Object mswindows_s_dispatch_event_queue, mswindows_s_dispatch_event_queue_tail;
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120
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121 /* The number of things we can wait on */
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122 #define MAX_WAITABLE (MAXIMUM_WAIT_OBJECTS - 1)
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123
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124 #ifndef HAVE_MSG_SELECT
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125 /* List of mswindows waitable handles. */
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126 static HANDLE mswindows_waitable_handles[MAX_WAITABLE];
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127
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128 /* Number of wait handles */
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129 static int mswindows_waitable_count=0;
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130 #endif /* HAVE_MSG_SELECT */
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131 /* Brush for painting widgets */
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132 static HBRUSH widget_brush = 0;
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133 static LONG last_widget_brushed = 0;
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134
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135 /* Count of quit chars currently in the queue */
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136 /* Incremented in WM_[SYS]KEYDOWN handler in the mswindows_wnd_proc()
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137 Decremented in mswindows_dequeue_dispatch_event() */
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138 int mswindows_quit_chars_count = 0;
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139
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140 /* These are Lisp integers; see DEFVARS in this file for description. */
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141 int mswindows_dynamic_frame_resize;
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142 int mswindows_meta_activates_menu;
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143 int mswindows_num_mouse_buttons;
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144 int mswindows_mouse_button_max_skew_x;
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145 int mswindows_mouse_button_max_skew_y;
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146 int mswindows_mouse_button_tolerance;
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147
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148 /* This is the event signaled by the event pump.
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149 See mswindows_pump_outstanding_events for comments */
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150 static Lisp_Object mswindows_error_caught_in_modal_loop;
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151 static int mswindows_in_modal_loop;
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152
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153 /* Count of wound timers */
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154 static int mswindows_pending_timers_count;
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155
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156 /************************************************************************/
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157 /* Pipe instream - reads process output */
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158 /************************************************************************/
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159
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160 #define PIPE_READ_DELAY 20
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161
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162 #define HANDLE_TO_USID(h) ((USID)(h))
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163
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164 #define NTPIPE_SLURP_STREAM_DATA(stream) \
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165 LSTREAM_TYPE_DATA (stream, ntpipe_slurp)
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166
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167 /* This structure is allocated by the main thread, and is deallocated
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168 in the thread upon exit. There are situations when a thread
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169 remains blocked for a long time, much longer than the lstream
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170 exists. For example, "start notepad" command is issued from the
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171 shell, then the shell is closed by C-c C-d. Although the shell
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172 process exits, its output pipe will not get closed until the
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173 notepad process exits also, because it inherits the pipe form the
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174 shell. In this case, we abandon the thread, and let it live until
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175 all such processes exit. While struct ntpipe_slurp_stream is
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176 deallocated in this case, ntpipe_slurp_stream_shared_data are not. */
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177
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178 struct ntpipe_slurp_stream_shared_data
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179 {
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180 HANDLE hev_thread; /* Our thread blocks on this, signaled by caller */
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181 /* This is a manual-reset object. */
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182 HANDLE hev_caller; /* Caller blocks on this, and we signal it */
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183 /* This is a manual-reset object. */
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184 HANDLE hev_unsleep; /* Pipe read delay is canceled if this is set */
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185 /* This is a manual-reset object. */
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186 HANDLE hpipe; /* Pipe read end handle. */
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187 LONG die_p; /* Thread must exit ASAP if non-zero */
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188 BOOL eof_p : 1; /* Set when thread saw EOF */
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189 BOOL error_p : 1; /* Read error other than EOF/broken pipe */
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190 BOOL inuse_p : 1; /* this structure is in use */
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191 LONG lock_count; /* Client count of this struct, 0=safe to free */
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192 BYTE onebyte; /* One byte buffer read by thread */
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193 };
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194
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195 #define MAX_SLURP_STREAMS 32
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196 struct ntpipe_slurp_stream_shared_data
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197 shared_data_block[MAX_SLURP_STREAMS]={{0}};
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198
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199 struct ntpipe_slurp_stream
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200 {
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201 LPARAM user_data; /* Any user data stored in the stream object */
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202 struct ntpipe_slurp_stream_shared_data* thread_data;
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203 };
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204
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205 DEFINE_LSTREAM_IMPLEMENTATION ("ntpipe-input", lstream_ntpipe_slurp,
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206 sizeof (struct ntpipe_slurp_stream));
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207
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208 /* This function is thread-safe, and is called from either thread
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209 context. It serializes freeing shared data structure */
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210 static void
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211 slurper_free_shared_data_maybe (struct ntpipe_slurp_stream_shared_data* s)
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212 {
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213 if (InterlockedDecrement (&s->lock_count) == 0)
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214 {
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215 /* Destroy events */
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216 CloseHandle (s->hev_thread);
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217 CloseHandle (s->hev_caller);
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218 CloseHandle (s->hev_unsleep);
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219 s->inuse_p = 0;
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220 }
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221 }
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222
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223 static struct ntpipe_slurp_stream_shared_data*
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224 slurper_allocate_shared_data()
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225 {
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226 int i=0;
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227 for (i=0; i<MAX_SLURP_STREAMS; i++)
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228 {
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229 if (!shared_data_block[i].inuse_p)
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230 {
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231 shared_data_block[i].inuse_p=1;
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232 return &shared_data_block[i];
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233 }
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234 }
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235 return (struct ntpipe_slurp_stream_shared_data*)0;
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236 }
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237
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238 static DWORD WINAPI
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239 slurp_thread (LPVOID vparam)
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240 {
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241 struct ntpipe_slurp_stream_shared_data *s =
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242 (struct ntpipe_slurp_stream_shared_data*)vparam;
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243
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244 for (;;)
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245 {
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246 /* Read one byte from the pipe */
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247 DWORD actually_read;
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248 if (!ReadFile (s->hpipe, &s->onebyte, 1, &actually_read, NULL))
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249 {
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250 DWORD err = GetLastError ();
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251 if (err == ERROR_BROKEN_PIPE || err == ERROR_NO_DATA)
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252 s->eof_p = TRUE;
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253 else
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254 s->error_p = TRUE;
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255 }
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256 else if (actually_read == 0)
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257 s->eof_p = TRUE;
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258
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259 /* We must terminate on an error or eof */
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260 if (s->eof_p || s->error_p)
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261 InterlockedIncrement (&s->die_p);
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262
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263 /* Before we notify caller, we unsignal our event. */
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264 ResetEvent (s->hev_thread);
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265
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266 /* Now we got something to notify caller, either a byte or an
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267 error/eof indication. Before we do, allow internal pipe
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268 buffer to accumulate little bit more data.
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269 Reader function pulses this event before waiting for
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270 a character, to avoid pipe delay, and to get the byte
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271 immediately. */
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272 if (!s->die_p)
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273 WaitForSingleObject (s->hev_unsleep, PIPE_READ_DELAY);
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274
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275 /* Either make event loop generate a process event, or
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276 inblock reader */
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277 SetEvent (s->hev_caller);
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278
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279 /* Cleanup and exit if we're shot off */
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280 if (s->die_p)
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281 break;
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282
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283 /* Block until the client finishes with retrieving the rest of
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284 pipe data */
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285 WaitForSingleObject (s->hev_thread, INFINITE);
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286 }
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287
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288 slurper_free_shared_data_maybe (s);
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289
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290 return 0;
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291 }
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292
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293 static Lisp_Object
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294 make_ntpipe_input_stream (HANDLE hpipe, LPARAM param)
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295 {
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296 Lisp_Object obj;
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297 Lstream *lstr = Lstream_new (lstream_ntpipe_slurp, "r");
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298 struct ntpipe_slurp_stream* s = NTPIPE_SLURP_STREAM_DATA (lstr);
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299 DWORD thread_id_unused;
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300 HANDLE hthread;
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301
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302 /* We deal only with pipes, for we're using PeekNamedPipe api */
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303 assert (GetFileType (hpipe) == FILE_TYPE_PIPE);
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304
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305 s->thread_data = slurper_allocate_shared_data();
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306
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307 /* Create reader thread. This could fail, so do not create events
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308 until thread is created */
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309 hthread = CreateThread (NULL, 0, slurp_thread, (LPVOID)s->thread_data,
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310 CREATE_SUSPENDED, &thread_id_unused);
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311 if (hthread == NULL)
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312 {
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313 Lstream_delete (lstr);
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314 s->thread_data->inuse_p=0;
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315 return Qnil;
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316 }
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317
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318 /* Shared data are initially owned by both main and slurper
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319 threads. */
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320 s->thread_data->lock_count = 2;
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321 s->thread_data->die_p = 0;
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322 s->thread_data->eof_p = FALSE;
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323 s->thread_data->error_p = FALSE;
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324 s->thread_data->hpipe = hpipe;
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325 s->user_data = param;
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326
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327 /* hev_thread is a manual-reset event, initially signaled */
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328 s->thread_data->hev_thread = CreateEvent (NULL, TRUE, TRUE, NULL);
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329 /* hev_caller is a manual-reset event, initially nonsignaled */
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330 s->thread_data->hev_caller = CreateEvent (NULL, TRUE, FALSE, NULL);
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331 /* hev_unsleep is a manual-reset event, initially nonsignaled */
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332 s->thread_data->hev_unsleep = CreateEvent (NULL, TRUE, FALSE, NULL);
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333
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334 /* Now let it go */
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335 ResumeThread (hthread);
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336 CloseHandle (hthread);
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337
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338 lstr->flags |= LSTREAM_FL_CLOSE_AT_DISKSAVE;
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339 XSETLSTREAM (obj, lstr);
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340 return obj;
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341 }
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342
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343 static LPARAM
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344 get_ntpipe_input_stream_param (Lstream *stream)
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345 {
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346 struct ntpipe_slurp_stream* s = NTPIPE_SLURP_STREAM_DATA(stream);
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347 return s->user_data;
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348 }
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349
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350 static HANDLE
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351 get_ntpipe_input_stream_waitable (Lstream *stream)
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352 {
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353 struct ntpipe_slurp_stream* s = NTPIPE_SLURP_STREAM_DATA(stream);
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354 return s->thread_data->hev_caller;
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355 }
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356
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357 static ssize_t
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358 ntpipe_slurp_reader (Lstream *stream, unsigned char *data, size_t size)
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|
|
359 {
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360 /* This function must be called from the main thread only */
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361 struct ntpipe_slurp_stream_shared_data* s =
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362 NTPIPE_SLURP_STREAM_DATA(stream)->thread_data;
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363
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364 if (!s->die_p)
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365 {
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366 DWORD wait_result;
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367 /* Disallow pipe read delay for the thread: we need a character
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368 ASAP */
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369 SetEvent (s->hev_unsleep);
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370
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371 /* Check if we have a character ready. Give it a short delay,
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372 for the thread to awake from pipe delay, just ion case*/
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373 wait_result = WaitForSingleObject (s->hev_caller, 2);
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374
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375 /* Revert to the normal sleep behavior. */
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376 ResetEvent (s->hev_unsleep);
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377
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378 /* If there's no byte buffered yet, give up */
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|
|
379 if (wait_result == WAIT_TIMEOUT)
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|
380 {
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|
381 errno = EAGAIN;
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|
|
382 return -1;
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|
383 }
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|
|
384 }
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385
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|
|
386 /* Reset caller unlock event now, as we've handled the pending
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|
|
387 process output event */
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|
|
388 ResetEvent (s->hev_caller);
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|
|
389
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|
|
390 /* It is now safe to do anything with contents of S, except for
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|
|
391 changing s->die_p, which still should be interlocked */
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|
|
392
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|
|
393 if (s->eof_p)
|
|
|
394 return 0;
|
|
|
395 if (s->error_p || s->die_p)
|
|
|
396 return -1;
|
|
|
397
|
|
|
398 /* Ok, there were no error neither eof - we've got a byte from the
|
|
|
399 pipe */
|
|
|
400 *(data++) = s->onebyte;
|
|
|
401 --size;
|
|
|
402
|
|
|
403 {
|
|
|
404 DWORD bytes_read = 0;
|
|
|
405 if (size > 0)
|
|
|
406 {
|
|
|
407 DWORD bytes_available;
|
|
|
408
|
|
|
409 /* If the api call fails, return at least one byte already
|
|
|
410 read. ReadFile in thread will return error */
|
|
|
411 if (PeekNamedPipe (s->hpipe, NULL, 0, NULL, &bytes_available, NULL))
|
|
|
412 {
|
|
|
413
|
|
|
414 /* Fetch available bytes. The same consideration applies,
|
|
|
415 so do not check for errors. ReadFile in the thread will
|
|
|
416 fail if the next call fails. */
|
|
|
417 if (bytes_available)
|
|
|
418 ReadFile (s->hpipe, data, min (bytes_available, size),
|
|
|
419 &bytes_read, NULL);
|
|
|
420 }
|
|
|
421
|
|
|
422 /* Now we can unblock thread, so it attempts to read more */
|
|
|
423 SetEvent (s->hev_thread);
|
|
|
424 return bytes_read + 1;
|
|
|
425 }
|
|
|
426 }
|
|
|
427 return 0;
|
|
|
428 }
|
|
|
429
|
|
|
430 static int
|
|
|
431 ntpipe_slurp_closer (Lstream *stream)
|
|
|
432 {
|
|
|
433 /* This function must be called from the main thread only */
|
|
|
434 struct ntpipe_slurp_stream_shared_data* s =
|
|
|
435 NTPIPE_SLURP_STREAM_DATA(stream)->thread_data;
|
|
|
436
|
|
|
437 /* Force thread to stop */
|
|
|
438 InterlockedIncrement (&s->die_p);
|
|
|
439
|
|
|
440 /* Set events which could possibly block slurper. Let it finish soon
|
|
|
441 or later. */
|
|
|
442 SetEvent (s->hev_unsleep);
|
|
|
443 SetEvent (s->hev_thread);
|
|
|
444
|
|
|
445 /* Unlock and maybe free shared data */
|
|
|
446 slurper_free_shared_data_maybe (s);
|
|
|
447
|
|
|
448 return 0;
|
|
|
449 }
|
|
|
450
|
|
|
451 static void
|
|
|
452 init_slurp_stream (void)
|
|
|
453 {
|
|
|
454 LSTREAM_HAS_METHOD (ntpipe_slurp, reader);
|
|
|
455 LSTREAM_HAS_METHOD (ntpipe_slurp, closer);
|
|
|
456 }
|
|
|
457
|
|
|
458 /************************************************************************/
|
|
|
459 /* Pipe outstream - writes process input */
|
|
|
460 /************************************************************************/
|
|
|
461
|
|
|
462 #define NTPIPE_SHOVE_STREAM_DATA(stream) \
|
|
|
463 LSTREAM_TYPE_DATA (stream, ntpipe_shove)
|
|
|
464
|
|
|
465 #define MAX_SHOVE_BUFFER_SIZE 128
|
|
|
466
|
|
|
467 struct ntpipe_shove_stream
|
|
|
468 {
|
|
|
469 LPARAM user_data; /* Any user data stored in the stream object */
|
|
|
470 HANDLE hev_thread; /* Our thread blocks on this, signaled by caller */
|
|
|
471 /* This is an auto-reset object. */
|
|
|
472 HANDLE hpipe; /* Pipe write end handle. */
|
|
|
473 HANDLE hthread; /* Reader thread handle. */
|
|
|
474 char buffer[MAX_SHOVE_BUFFER_SIZE]; /* Buffer being written */
|
|
|
475 DWORD size; /* Number of bytes to write */
|
|
|
476 LONG die_p; /* Thread must exit ASAP if non-zero */
|
|
|
477 LONG idle_p; /* Non-zero if thread is waiting for job */
|
|
|
478 BOOL error_p : 1; /* Read error other than EOF/broken pipe */
|
|
|
479 BOOL blocking_p : 1;/* Last write attempt would cause blocking */
|
|
|
480 };
|
|
|
481
|
|
|
482 DEFINE_LSTREAM_IMPLEMENTATION ("ntpipe-output", lstream_ntpipe_shove,
|
|
|
483 sizeof (struct ntpipe_shove_stream));
|
|
|
484
|
|
|
485 #ifndef HAVE_MSG_SELECT
|
|
|
486 static DWORD WINAPI
|
|
|
487 shove_thread (LPVOID vparam)
|
|
|
488 {
|
|
|
489 struct ntpipe_shove_stream *s = (struct ntpipe_shove_stream*) vparam;
|
|
|
490
|
|
|
491 for (;;)
|
|
|
492 {
|
|
|
493 DWORD bytes_written;
|
|
|
494
|
|
|
495 /* Block on event and wait for a job */
|
|
|
496 InterlockedIncrement (&s->idle_p);
|
|
|
497 WaitForSingleObject (s->hev_thread, INFINITE);
|
|
|
498
|
|
|
499 if (s->die_p)
|
|
|
500 break;
|
|
|
501
|
|
|
502 /* Write passed buffer */
|
|
|
503 if (!WriteFile (s->hpipe, s->buffer, s->size, &bytes_written, NULL)
|
|
|
504 || bytes_written != s->size)
|
|
|
505 {
|
|
|
506 s->error_p = TRUE;
|
|
|
507 InterlockedIncrement (&s->die_p);
|
|
|
508 }
|
|
|
509
|
|
|
510 if (s->die_p)
|
|
|
511 break;
|
|
|
512 }
|
|
|
513
|
|
|
514 return 0;
|
|
|
515 }
|
|
|
516
|
|
|
517 static Lisp_Object
|
|
|
518 make_ntpipe_output_stream (HANDLE hpipe, LPARAM param)
|
|
|
519 {
|
|
|
520 Lisp_Object obj;
|
|
|
521 Lstream *lstr = Lstream_new (lstream_ntpipe_shove, "w");
|
|
|
522 struct ntpipe_shove_stream* s = NTPIPE_SHOVE_STREAM_DATA (lstr);
|
|
|
523 DWORD thread_id_unused;
|
|
|
524
|
|
|
525 s->die_p = 0;
|
|
|
526 s->error_p = FALSE;
|
|
|
527 s->hpipe = hpipe;
|
|
|
528 s->user_data = param;
|
|
|
529
|
|
|
530 /* Create reader thread. This could fail, so do not
|
|
|
531 create the event until thread is created */
|
|
|
532 s->hthread = CreateThread (NULL, 0, shove_thread, (LPVOID)s,
|
|
|
533 CREATE_SUSPENDED, &thread_id_unused);
|
|
|
534 if (s->hthread == NULL)
|
|
|
535 {
|
|
|
536 Lstream_delete (lstr);
|
|
|
537 return Qnil;
|
|
|
538 }
|
|
|
539
|
|
|
540 /* hev_thread is an auto-reset event, initially nonsignaled */
|
|
|
541 s->hev_thread = CreateEvent (NULL, FALSE, FALSE, NULL);
|
|
|
542
|
|
|
543 /* Now let it go */
|
|
|
544 ResumeThread (s->hthread);
|
|
|
545
|
|
|
546 lstr->flags |= LSTREAM_FL_CLOSE_AT_DISKSAVE;
|
|
|
547 XSETLSTREAM (obj, lstr);
|
|
|
548 return obj;
|
|
|
549 }
|
|
|
550
|
|
|
551 static LPARAM
|
|
|
552 get_ntpipe_output_stream_param (Lstream *stream)
|
|
|
553 {
|
|
|
554 struct ntpipe_shove_stream* s = NTPIPE_SHOVE_STREAM_DATA(stream);
|
|
|
555 return s->user_data;
|
|
|
556 }
|
|
|
557 #endif
|
|
|
558
|
|
|
559 static ssize_t
|
|
|
560 ntpipe_shove_writer (Lstream *stream, const unsigned char *data, size_t size)
|
|
|
561 {
|
|
|
562 struct ntpipe_shove_stream* s = NTPIPE_SHOVE_STREAM_DATA(stream);
|
|
|
563
|
|
|
564 if (s->error_p)
|
|
|
565 return -1;
|
|
|
566
|
|
|
567 s->blocking_p = !s->idle_p;
|
|
|
568 if (s->blocking_p)
|
|
|
569 return 0;
|
|
|
570
|
|
|
571 if (size>MAX_SHOVE_BUFFER_SIZE)
|
|
|
572 return 0;
|
|
|
573
|
|
|
574 memcpy (s->buffer, data, size);
|
|
|
575 s->size = size;
|
|
|
576
|
|
|
577 /* Start output */
|
|
|
578 InterlockedDecrement (&s->idle_p);
|
|
|
579 SetEvent (s->hev_thread);
|
|
|
580 return size;
|
|
|
581 }
|
|
|
582
|
|
|
583 static int
|
|
|
584 ntpipe_shove_was_blocked_p (Lstream *stream)
|
|
|
585 {
|
|
|
586 struct ntpipe_shove_stream* s = NTPIPE_SHOVE_STREAM_DATA(stream);
|
|
|
587 return s->blocking_p;
|
|
|
588 }
|
|
|
589
|
|
|
590 static int
|
|
|
591 ntpipe_shove_closer (Lstream *stream)
|
|
|
592 {
|
|
|
593 struct ntpipe_shove_stream* s = NTPIPE_SHOVE_STREAM_DATA(stream);
|
|
|
594
|
|
|
595 /* Force thread stop */
|
|
|
596 InterlockedIncrement (&s->die_p);
|
|
|
597
|
|
|
598 /* Close pipe handle, possibly breaking it */
|
|
|
599 CloseHandle (s->hpipe);
|
|
|
600
|
|
|
601 /* Thread will end upon unblocking */
|
|
|
602 SetEvent (s->hev_thread);
|
|
|
603
|
|
|
604 /* Wait while thread terminates */
|
|
|
605 WaitForSingleObject (s->hthread, INFINITE);
|
|
|
606 CloseHandle (s->hthread);
|
|
|
607
|
|
|
608 /* Destroy the event */
|
|
|
609 CloseHandle (s->hev_thread);
|
|
|
610
|
|
|
611 return 0;
|
|
|
612 }
|
|
|
613
|
|
|
614 static void
|
|
|
615 init_shove_stream (void)
|
|
|
616 {
|
|
|
617 LSTREAM_HAS_METHOD (ntpipe_shove, writer);
|
|
|
618 LSTREAM_HAS_METHOD (ntpipe_shove, was_blocked_p);
|
|
|
619 LSTREAM_HAS_METHOD (ntpipe_shove, closer);
|
|
|
620 }
|
|
|
621
|
|
|
622 /************************************************************************/
|
|
|
623 /* Winsock I/O stream */
|
|
|
624 /************************************************************************/
|
|
|
625 #if defined (HAVE_SOCKETS) && !defined(HAVE_MSG_SELECT)
|
|
|
626
|
|
|
627 #define WINSOCK_READ_BUFFER_SIZE 1024
|
|
|
628
|
|
|
629 struct winsock_stream
|
|
|
630 {
|
|
|
631 LPARAM user_data; /* Any user data stored in the stream object */
|
|
|
632 SOCKET s; /* Socket handle (which is a Win32 handle) */
|
|
|
633 OVERLAPPED ov; /* Overlapped I/O structure */
|
|
|
634 void* buffer; /* Buffer. Allocated for input stream only */
|
|
|
635 unsigned int bufsize; /* Number of bytes last read */
|
|
|
636 unsigned int bufpos; /* Position in buffer for next fetch */
|
|
|
637 unsigned int error_p :1; /* I/O Error seen */
|
|
|
638 unsigned int eof_p :1; /* EOF Error seen */
|
|
|
639 unsigned int pending_p :1; /* There is a pending I/O operation */
|
|
|
640 unsigned int blocking_p :1; /* Last write attempt would block */
|
|
|
641 };
|
|
|
642
|
|
|
643 #define WINSOCK_STREAM_DATA(stream) LSTREAM_TYPE_DATA (stream, winsock)
|
|
|
644
|
|
|
645 DEFINE_LSTREAM_IMPLEMENTATION ("winsock", lstream_winsock,
|
|
|
646 sizeof (struct winsock_stream));
|
|
|
647
|
|
|
648 static void
|
|
|
649 winsock_initiate_read (struct winsock_stream *str)
|
|
|
650 {
|
|
|
651 ResetEvent (str->ov.hEvent);
|
|
|
652 str->bufpos = 0;
|
|
|
653
|
|
|
654 if (!ReadFile ((HANDLE)str->s, str->buffer, WINSOCK_READ_BUFFER_SIZE,
|
|
|
655 &str->bufsize, &str->ov))
|
|
|
656 {
|
|
|
657 if (GetLastError () == ERROR_IO_PENDING)
|
|
|
658 str->pending_p = 1;
|
|
|
659 else if (GetLastError () == ERROR_HANDLE_EOF)
|
|
|
660 str->eof_p = 1;
|
|
|
661 else
|
|
|
662 str->error_p = 1;
|
|
|
663 }
|
|
|
664 else if (str->bufsize == 0)
|
|
|
665 str->eof_p = 1;
|
|
|
666 }
|
|
|
667
|
|
|
668 static ssize_t
|
|
|
669 winsock_reader (Lstream *stream, unsigned char *data, size_t size)
|
|
|
670 {
|
|
|
671 struct winsock_stream *str = WINSOCK_STREAM_DATA (stream);
|
|
|
672
|
|
|
673 /* If the current operation is not yet complete, there's nothing to
|
|
|
674 give back */
|
|
|
675 if (str->pending_p)
|
|
|
676 {
|
|
|
677 if (WaitForSingleObject (str->ov.hEvent, 0) == WAIT_TIMEOUT)
|
|
|
678 {
|
|
|
679 errno = EAGAIN;
|
|
|
680 return -1;
|
|
|
681 }
|
|
|
682 else
|
|
|
683 {
|
|
|
684 if (!GetOverlappedResult ((HANDLE)str->s, &str->ov, &str->bufsize, TRUE))
|
|
|
685 {
|
|
|
686 if (GetLastError() == ERROR_HANDLE_EOF)
|
|
|
687 str->bufsize = 0;
|
|
|
688 else
|
|
|
689 str->error_p = 1;
|
|
|
690 }
|
|
|
691 if (str->bufsize == 0)
|
|
|
692 str->eof_p = 1;
|
|
|
693 str->pending_p = 0;
|
|
|
694 }
|
|
|
695 }
|
|
|
696
|
|
|
697 if (str->eof_p)
|
|
|
698 return 0;
|
|
|
699 if (str->error_p)
|
|
|
700 return -1;
|
|
|
701
|
|
|
702 /* Return as much of buffer as we have */
|
|
|
703 size = min (size, (size_t) (str->bufsize - str->bufpos));
|
|
|
704 memcpy (data, (void*)((BYTE*)str->buffer + str->bufpos), size);
|
|
|
705 str->bufpos += size;
|
|
|
706
|
|
|
707 /* Read more if buffer is exhausted */
|
|
|
708 if (str->bufsize == str->bufpos)
|
|
|
709 winsock_initiate_read (str);
|
|
|
710
|
|
|
711 return size;
|
|
|
712 }
|
|
|
713
|
|
|
714 static ssize_t
|
|
|
715 winsock_writer (Lstream *stream, CONST unsigned char *data, size_t size)
|
|
|
716 {
|
|
|
717 struct winsock_stream *str = WINSOCK_STREAM_DATA (stream);
|
|
|
718
|
|
|
719 if (str->pending_p)
|
|
|
720 {
|
|
|
721 if (WaitForSingleObject (str->ov.hEvent, 0) == WAIT_TIMEOUT)
|
|
|
722 {
|
|
|
723 str->blocking_p = 1;
|
|
|
724 return -1;
|
|
|
725 }
|
|
|
726 else
|
|
|
727 {
|
|
|
728 DWORD dw_unused;
|
|
|
729 if (!GetOverlappedResult ((HANDLE)str->s, &str->ov, &dw_unused, TRUE))
|
|
|
730 str->error_p = 1;
|
|
|
731 str->pending_p = 0;
|
|
|
732 }
|
|
|
733 }
|
|
|
734
|
|
|
735 str->blocking_p = 0;
|
|
|
736
|
|
|
737 if (str->error_p)
|
|
|
738 return -1;
|
|
|
739
|
|
|
740 if (size == 0)
|
|
|
741 return 0;
|
|
|
742
|
|
|
743 {
|
|
|
744 ResetEvent (str->ov.hEvent);
|
|
|
745
|
|
|
746 /* Docs indicate that 4th parameter to WriteFile can be NULL since this is
|
|
|
747 * an overlapped operation. This fails on Win95 with winsock 1.x so we
|
|
|
748 * supply a spare address which is ignored by Win95 anyway. Sheesh. */
|
|
|
749 if (WriteFile ((HANDLE)str->s, data, size, (LPDWORD)&str->buffer, &str->ov)
|
|
|
750 || GetLastError() == ERROR_IO_PENDING)
|
|
|
751 str->pending_p = 1;
|
|
|
752 else
|
|
|
753 str->error_p = 1;
|
|
|
754 }
|
|
|
755
|
|
|
756 return str->error_p ? -1 : size;
|
|
|
757 }
|
|
|
758
|
|
|
759 static int
|
|
|
760 winsock_closer (Lstream *lstr)
|
|
|
761 {
|
|
|
762 struct winsock_stream *str = WINSOCK_STREAM_DATA (lstr);
|
|
|
763
|
|
|
764 if (lstr->flags & LSTREAM_FL_READ)
|
|
|
765 shutdown (str->s, 0);
|
|
|
766 else
|
|
|
767 shutdown (str->s, 1);
|
|
|
768
|
|
|
769 CloseHandle ((HANDLE)str->s);
|
|
|
770 if (str->pending_p)
|
|
|
771 WaitForSingleObject (str->ov.hEvent, INFINITE);
|
|
|
772
|
|
|
773 if (lstr->flags & LSTREAM_FL_READ)
|
|
|
774 xfree (str->buffer);
|
|
|
775
|
|
|
776 CloseHandle (str->ov.hEvent);
|
|
|
777 return 0;
|
|
|
778 }
|
|
|
779
|
|
|
780 static int
|
|
|
781 winsock_was_blocked_p (Lstream *stream)
|
|
|
782 {
|
|
|
783 struct winsock_stream *str = WINSOCK_STREAM_DATA (stream);
|
|
|
784 return str->blocking_p;
|
|
|
785 }
|
|
|
786
|
|
|
787 static Lisp_Object
|
|
|
788 make_winsock_stream_1 (SOCKET s, LPARAM param, CONST char *mode)
|
|
|
789 {
|
|
|
790 Lisp_Object obj;
|
|
|
791 Lstream *lstr = Lstream_new (lstream_winsock, mode);
|
|
|
792 struct winsock_stream *str = WINSOCK_STREAM_DATA (lstr);
|
|
|
793
|
|
|
794 str->s = s;
|
|
|
795 str->blocking_p = 0;
|
|
|
796 str->error_p = 0;
|
|
|
797 str->eof_p = 0;
|
|
|
798 str->pending_p = 0;
|
|
|
799 str->user_data = param;
|
|
|
800
|
|
|
801 xzero (str->ov);
|
|
|
802 str->ov.hEvent = CreateEvent (NULL, TRUE, FALSE, NULL);
|
|
|
803
|
|
|
804 if (lstr->flags & LSTREAM_FL_READ)
|
|
|
805 {
|
|
|
806 str->buffer = xmalloc (WINSOCK_READ_BUFFER_SIZE);
|
|
|
807 winsock_initiate_read (str);
|
|
|
808 }
|
|
|
809
|
|
|
810 lstr->flags |= LSTREAM_FL_CLOSE_AT_DISKSAVE;
|
|
|
811 XSETLSTREAM (obj, lstr);
|
|
|
812 return obj;
|
|
|
813 }
|
|
|
814
|
|
|
815 static Lisp_Object
|
|
|
816 make_winsock_input_stream (SOCKET s, LPARAM param)
|
|
|
817 {
|
|
|
818 return make_winsock_stream_1 (s, param, "r");
|
|
|
819 }
|
|
|
820
|
|
|
821 static Lisp_Object
|
|
|
822 make_winsock_output_stream (SOCKET s, LPARAM param)
|
|
|
823 {
|
|
|
824 return make_winsock_stream_1 (s, param, "w");
|
|
|
825 }
|
|
|
826
|
|
|
827 static HANDLE
|
|
|
828 get_winsock_stream_waitable (Lstream *lstr)
|
|
|
829 {
|
|
|
830 struct winsock_stream *str = WINSOCK_STREAM_DATA (lstr);
|
|
|
831 return str->ov.hEvent;
|
|
|
832 }
|
|
|
833
|
|
|
834 static LPARAM
|
|
|
835 get_winsock_stream_param (Lstream *lstr)
|
|
|
836 {
|
|
|
837 struct winsock_stream *str = WINSOCK_STREAM_DATA (lstr);
|
|
|
838 return str->user_data;
|
|
|
839 }
|
|
|
840
|
|
|
841 static void
|
|
|
842 init_winsock_stream (void)
|
|
|
843 {
|
|
|
844 LSTREAM_HAS_METHOD (winsock, reader);
|
|
|
845 LSTREAM_HAS_METHOD (winsock, writer);
|
|
|
846 LSTREAM_HAS_METHOD (winsock, closer);
|
|
|
847 LSTREAM_HAS_METHOD (winsock, was_blocked_p);
|
|
|
848 }
|
|
|
849 #endif /* defined (HAVE_SOCKETS) */
|
|
|
850
|
|
|
851 /************************************************************************/
|
|
|
852 /* Dispatch queue management */
|
|
|
853 /************************************************************************/
|
|
|
854
|
|
|
855 static int
|
|
440
|
856 mswindows_user_event_p (Lisp_Event* sevt)
|
|
428
|
857 {
|
|
|
858 return (sevt->event_type == key_press_event
|
|
|
859 || sevt->event_type == button_press_event
|
|
|
860 || sevt->event_type == button_release_event
|
|
|
861 || sevt->event_type == misc_user_event);
|
|
|
862 }
|
|
|
863
|
|
|
864 /*
|
|
|
865 * Add an emacs event to the proper dispatch queue
|
|
|
866 */
|
|
|
867 static void
|
|
|
868 mswindows_enqueue_dispatch_event (Lisp_Object event)
|
|
|
869 {
|
|
|
870 int user_p = mswindows_user_event_p (XEVENT(event));
|
|
|
871 enqueue_event (event,
|
|
|
872 user_p ? &mswindows_u_dispatch_event_queue :
|
|
|
873 &mswindows_s_dispatch_event_queue,
|
|
|
874 user_p ? &mswindows_u_dispatch_event_queue_tail :
|
|
|
875 &mswindows_s_dispatch_event_queue_tail);
|
|
|
876
|
|
|
877 /* Avoid blocking on WaitMessage */
|
|
|
878 PostMessage (NULL, XM_BUMPQUEUE, 0, 0);
|
|
|
879 }
|
|
|
880
|
|
|
881 /*
|
|
|
882 * Add a misc-user event to the dispatch queue.
|
|
|
883 *
|
|
|
884 * Stuff it into our own dispatch queue, so we have something
|
|
|
885 * to return from next_event callback.
|
|
|
886 */
|
|
|
887 void
|
|
|
888 mswindows_enqueue_misc_user_event (Lisp_Object channel, Lisp_Object function,
|
|
|
889 Lisp_Object object)
|
|
|
890 {
|
|
|
891 Lisp_Object event = Fmake_event (Qnil, Qnil);
|
|
440
|
892 Lisp_Event* e = XEVENT (event);
|
|
428
|
893
|
|
|
894 e->event_type = misc_user_event;
|
|
|
895 e->channel = channel;
|
|
440
|
896 e->timestamp = GetTickCount ();
|
|
428
|
897 e->event.misc.function = function;
|
|
|
898 e->event.misc.object = object;
|
|
|
899
|
|
|
900 mswindows_enqueue_dispatch_event (event);
|
|
|
901 }
|
|
|
902
|
|
|
903 void
|
|
440
|
904 mswindows_enqueue_magic_event (HWND hwnd, UINT msg)
|
|
428
|
905 {
|
|
|
906 Lisp_Object emacs_event = Fmake_event (Qnil, Qnil);
|
|
440
|
907 Lisp_Event* event = XEVENT (emacs_event);
|
|
428
|
908
|
|
|
909 event->channel = hwnd ? mswindows_find_frame (hwnd) : Qnil;
|
|
|
910 event->timestamp = GetMessageTime();
|
|
|
911 event->event_type = magic_event;
|
|
440
|
912 EVENT_MSWINDOWS_MAGIC_TYPE (event) = msg;
|
|
428
|
913
|
|
|
914 mswindows_enqueue_dispatch_event (emacs_event);
|
|
|
915 }
|
|
|
916
|
|
|
917 static void
|
|
440
|
918 mswindows_enqueue_process_event (Lisp_Process* p)
|
|
428
|
919 {
|
|
|
920 Lisp_Object emacs_event = Fmake_event (Qnil, Qnil);
|
|
440
|
921 Lisp_Event* event = XEVENT (emacs_event);
|
|
428
|
922 Lisp_Object process;
|
|
|
923 XSETPROCESS (process, p);
|
|
|
924
|
|
|
925 event->event_type = process_event;
|
|
|
926 event->timestamp = GetTickCount ();
|
|
|
927 event->event.process.process = process;
|
|
|
928
|
|
|
929 mswindows_enqueue_dispatch_event (emacs_event);
|
|
|
930 }
|
|
|
931
|
|
|
932 static void
|
|
440
|
933 mswindows_enqueue_mouse_button_event (HWND hwnd, UINT msg, POINTS where, DWORD when)
|
|
428
|
934 {
|
|
|
935
|
|
|
936 /* We always use last message time, because mouse button
|
|
|
937 events may get delayed, and XEmacs double click
|
|
|
938 recognition will fail */
|
|
|
939
|
|
|
940 Lisp_Object emacs_event = Fmake_event (Qnil, Qnil);
|
|
440
|
941 Lisp_Event* event = XEVENT(emacs_event);
|
|
428
|
942
|
|
|
943 event->channel = mswindows_find_frame(hwnd);
|
|
|
944 event->timestamp = when;
|
|
|
945 event->event.button.button =
|
|
440
|
946 (msg==WM_LBUTTONDOWN || msg==WM_LBUTTONUP) ? 1 :
|
|
|
947 ((msg==WM_RBUTTONDOWN || msg==WM_RBUTTONUP) ? 3 : 2);
|
|
428
|
948 event->event.button.x = where.x;
|
|
|
949 event->event.button.y = where.y;
|
|
|
950 event->event.button.modifiers = mswindows_modifier_state (NULL, 0);
|
|
|
951
|
|
440
|
952 if (msg==WM_LBUTTONDOWN || msg==WM_MBUTTONDOWN ||
|
|
|
953 msg==WM_RBUTTONDOWN)
|
|
428
|
954 {
|
|
|
955 event->event_type = button_press_event;
|
|
|
956 SetCapture (hwnd);
|
|
|
957 /* we need this to make sure the main window regains the focus
|
|
|
958 from control subwindows */
|
|
|
959 if (GetFocus() != hwnd)
|
|
|
960 {
|
|
|
961 SetFocus (hwnd);
|
|
|
962 mswindows_enqueue_magic_event (hwnd, WM_SETFOCUS);
|
|
|
963 }
|
|
|
964 }
|
|
|
965 else
|
|
|
966 {
|
|
|
967 event->event_type = button_release_event;
|
|
|
968 ReleaseCapture ();
|
|
|
969 }
|
|
|
970
|
|
|
971 mswindows_enqueue_dispatch_event (emacs_event);
|
|
|
972 }
|
|
|
973
|
|
|
974 static void
|
|
|
975 mswindows_enqueue_keypress_event (HWND hwnd, Lisp_Object keysym, int mods)
|
|
|
976 {
|
|
|
977 Lisp_Object emacs_event = Fmake_event (Qnil, Qnil);
|
|
440
|
978 Lisp_Event* event = XEVENT(emacs_event);
|
|
428
|
979
|
|
|
980 event->channel = mswindows_find_console(hwnd);
|
|
|
981 event->timestamp = GetMessageTime();
|
|
|
982 event->event_type = key_press_event;
|
|
|
983 event->event.key.keysym = keysym;
|
|
|
984 event->event.key.modifiers = mods;
|
|
|
985 mswindows_enqueue_dispatch_event (emacs_event);
|
|
|
986 }
|
|
|
987
|
|
|
988 /*
|
|
|
989 * Remove and return the first emacs event on the dispatch queue.
|
|
|
990 * Give a preference to user events over non-user ones.
|
|
|
991 */
|
|
|
992 static Lisp_Object
|
|
|
993 mswindows_dequeue_dispatch_event ()
|
|
|
994 {
|
|
|
995 Lisp_Object event;
|
|
440
|
996 Lisp_Event* sevt;
|
|
428
|
997
|
|
|
998 assert (!NILP(mswindows_u_dispatch_event_queue) ||
|
|
|
999 !NILP(mswindows_s_dispatch_event_queue));
|
|
|
1000
|
|
|
1001 event = dequeue_event (
|
|
|
1002 NILP(mswindows_u_dispatch_event_queue) ?
|
|
|
1003 &mswindows_s_dispatch_event_queue :
|
|
|
1004 &mswindows_u_dispatch_event_queue,
|
|
|
1005 NILP(mswindows_u_dispatch_event_queue) ?
|
|
|
1006 &mswindows_s_dispatch_event_queue_tail :
|
|
|
1007 &mswindows_u_dispatch_event_queue_tail);
|
|
|
1008
|
|
|
1009 sevt = XEVENT(event);
|
|
|
1010 if (sevt->event_type == key_press_event
|
|
|
1011 && (sevt->event.key.modifiers & FAKE_MOD_QUIT))
|
|
|
1012 {
|
|
|
1013 sevt->event.key.modifiers &= ~FAKE_MOD_QUIT;
|
|
|
1014 --mswindows_quit_chars_count;
|
|
|
1015 }
|
|
|
1016
|
|
|
1017 return event;
|
|
|
1018 }
|
|
|
1019
|
|
|
1020 /*
|
|
|
1021 * Remove and return the first emacs event on the dispatch queue that matches
|
|
|
1022 * the supplied event.
|
|
|
1023 * Timeout event matches if interval_id is equal to that of the given event.
|
|
|
1024 * Keypress event matches if logical AND between modifiers bitmask of the
|
|
|
1025 * event in the queue and that of the given event is non-zero.
|
|
|
1026 * For all other event types, this function aborts.
|
|
|
1027 */
|
|
|
1028
|
|
|
1029 Lisp_Object
|
|
440
|
1030 mswindows_cancel_dispatch_event (Lisp_Event *match)
|
|
428
|
1031 {
|
|
|
1032 Lisp_Object event;
|
|
|
1033 Lisp_Object previous_event = Qnil;
|
|
|
1034 int user_p = mswindows_user_event_p (match);
|
|
|
1035 Lisp_Object* head = user_p ? &mswindows_u_dispatch_event_queue :
|
|
|
1036 &mswindows_s_dispatch_event_queue;
|
|
|
1037 Lisp_Object* tail = user_p ? &mswindows_u_dispatch_event_queue_tail :
|
|
|
1038 &mswindows_s_dispatch_event_queue_tail;
|
|
|
1039
|
|
|
1040 assert (match->event_type == timeout_event
|
|
|
1041 || match->event_type == key_press_event);
|
|
|
1042
|
|
|
1043 EVENT_CHAIN_LOOP (event, *head)
|
|
|
1044 {
|
|
440
|
1045 Lisp_Event *e = XEVENT (event);
|
|
428
|
1046 if ((e->event_type == match->event_type) &&
|
|
|
1047 ((e->event_type == timeout_event) ?
|
|
|
1048 (e->event.timeout.interval_id == match->event.timeout.interval_id) :
|
|
|
1049 /* Must be key_press_event */
|
|
|
1050 ((e->event.key.modifiers & match->event.key.modifiers) != 0)))
|
|
|
1051 {
|
|
|
1052 if (NILP (previous_event))
|
|
|
1053 dequeue_event (head, tail);
|
|
|
1054 else
|
|
|
1055 {
|
|
|
1056 XSET_EVENT_NEXT (previous_event, XEVENT_NEXT (event));
|
|
|
1057 if (EQ (*tail, event))
|
|
|
1058 *tail = previous_event;
|
|
|
1059 }
|
|
|
1060
|
|
|
1061 return event;
|
|
|
1062 }
|
|
|
1063 previous_event = event;
|
|
|
1064 }
|
|
|
1065 return Qnil;
|
|
|
1066 }
|
|
|
1067
|
|
|
1068 #ifndef HAVE_MSG_SELECT
|
|
|
1069 /************************************************************************/
|
|
|
1070 /* Waitable handles manipulation */
|
|
|
1071 /************************************************************************/
|
|
|
1072 static int
|
|
|
1073 find_waitable_handle (HANDLE h)
|
|
|
1074 {
|
|
|
1075 int i;
|
|
|
1076 for (i = 0; i < mswindows_waitable_count; ++i)
|
|
|
1077 if (mswindows_waitable_handles[i] == h)
|
|
|
1078 return i;
|
|
|
1079
|
|
|
1080 return -1;
|
|
|
1081 }
|
|
|
1082
|
|
|
1083 static BOOL
|
|
|
1084 add_waitable_handle (HANDLE h)
|
|
|
1085 {
|
|
|
1086 assert (find_waitable_handle (h) < 0);
|
|
|
1087 if (mswindows_waitable_count == MAX_WAITABLE)
|
|
|
1088 return FALSE;
|
|
|
1089
|
|
|
1090 mswindows_waitable_handles [mswindows_waitable_count++] = h;
|
|
|
1091 return TRUE;
|
|
|
1092 }
|
|
|
1093
|
|
|
1094 static void
|
|
|
1095 remove_waitable_handle (HANDLE h)
|
|
|
1096 {
|
|
|
1097 int ix = find_waitable_handle (h);
|
|
|
1098 if (ix < 0)
|
|
|
1099 return;
|
|
|
1100
|
|
|
1101 mswindows_waitable_handles [ix] =
|
|
|
1102 mswindows_waitable_handles [--mswindows_waitable_count];
|
|
|
1103 }
|
|
|
1104 #endif /* HAVE_MSG_SELECT */
|
|
|
1105
|
|
|
1106
|
|
|
1107 /************************************************************************/
|
|
|
1108 /* Event pump */
|
|
|
1109 /************************************************************************/
|
|
|
1110
|
|
|
1111 static Lisp_Object
|
|
|
1112 mswindows_modal_loop_error_handler (Lisp_Object cons_sig_data,
|
|
|
1113 Lisp_Object u_n_u_s_e_d)
|
|
|
1114 {
|
|
|
1115 mswindows_error_caught_in_modal_loop = cons_sig_data;
|
|
|
1116 return Qunbound;
|
|
|
1117 }
|
|
|
1118
|
|
|
1119 Lisp_Object
|
|
|
1120 mswindows_protect_modal_loop (Lisp_Object (*bfun) (Lisp_Object barg),
|
|
|
1121 Lisp_Object barg)
|
|
|
1122 {
|
|
|
1123 Lisp_Object tmp;
|
|
|
1124
|
|
|
1125 ++mswindows_in_modal_loop;
|
|
|
1126 tmp = condition_case_1 (Qt,
|
|
|
1127 bfun, barg,
|
|
|
1128 mswindows_modal_loop_error_handler, Qnil);
|
|
|
1129 --mswindows_in_modal_loop;
|
|
|
1130
|
|
|
1131 return tmp;
|
|
|
1132 }
|
|
|
1133
|
|
|
1134 void
|
|
|
1135 mswindows_unmodalize_signal_maybe (void)
|
|
|
1136 {
|
|
|
1137 if (!NILP (mswindows_error_caught_in_modal_loop))
|
|
|
1138 {
|
|
|
1139 /* Got an error while messages were pumped while
|
|
|
1140 in window procedure - have to resignal */
|
|
|
1141 Lisp_Object sym = XCAR (mswindows_error_caught_in_modal_loop);
|
|
|
1142 Lisp_Object data = XCDR (mswindows_error_caught_in_modal_loop);
|
|
|
1143 mswindows_error_caught_in_modal_loop = Qnil;
|
|
|
1144 Fsignal (sym, data);
|
|
|
1145 }
|
|
|
1146 }
|
|
|
1147
|
|
|
1148 /*
|
|
|
1149 * This is an unsafe part of event pump, guarded by
|
|
|
1150 * condition_case. See mswindows_pump_outstanding_events
|
|
|
1151 */
|
|
|
1152 static Lisp_Object
|
|
|
1153 mswindows_unsafe_pump_events (Lisp_Object u_n_u_s_e_d)
|
|
|
1154 {
|
|
|
1155 /* This function can call lisp */
|
|
|
1156 Lisp_Object event = Fmake_event (Qnil, Qnil);
|
|
|
1157 struct gcpro gcpro1;
|
|
|
1158 int do_redisplay = 0;
|
|
|
1159 GCPRO1 (event);
|
|
|
1160
|
|
|
1161 while (detect_input_pending ())
|
|
|
1162 {
|
|
|
1163 Fnext_event (event, Qnil);
|
|
|
1164 Fdispatch_event (event);
|
|
|
1165 do_redisplay = 1;
|
|
|
1166 }
|
|
|
1167
|
|
|
1168 if (do_redisplay)
|
|
|
1169 redisplay ();
|
|
|
1170
|
|
|
1171 Fdeallocate_event (event);
|
|
|
1172 UNGCPRO;
|
|
|
1173
|
|
|
1174 /* Qt becomes return value of mswindows_pump_outstanding_events
|
|
|
1175 once we get here */
|
|
|
1176 return Qt;
|
|
|
1177 }
|
|
|
1178
|
|
|
1179 /*
|
|
|
1180 * This function pumps emacs events, while available, by using
|
|
|
1181 * next_message/dispatch_message loop. Errors are trapped around
|
|
|
1182 * the loop so the function always returns.
|
|
|
1183 *
|
|
|
1184 * Windows message queue is not looked into during the call,
|
|
|
1185 * neither are waitable handles checked. The function pumps
|
|
|
1186 * thus only dispatch events already queued, as well as those
|
|
|
1187 * resulted in dispatching thereof. This is done by setting
|
|
|
1188 * module local variable mswindows_in_modal_loop to nonzero.
|
|
|
1189 *
|
|
|
1190 * Return value is Qt if no errors was trapped, or Qunbound if
|
|
|
1191 * there was an error.
|
|
|
1192 *
|
|
|
1193 * In case of error, a cons representing the error, in the
|
|
|
1194 * form (SIGNAL . DATA), is stored in the module local variable
|
|
|
1195 * mswindows_error_caught_in_modal_loop. This error is signaled
|
|
|
1196 * again when DispatchMessage returns. Thus, Windows internal
|
|
|
1197 * modal loops are protected against throws, which are proven
|
|
|
1198 * to corrupt internal Windows structures.
|
|
|
1199 *
|
|
|
1200 * In case of success, mswindows_error_caught_in_modal_loop is
|
|
|
1201 * assigned Qnil.
|
|
|
1202 *
|
|
|
1203 * If the value of mswindows_error_caught_in_modal_loop is not
|
|
|
1204 * nil already upon entry, the function just returns non-nil.
|
|
|
1205 * This situation means that a new event has been queued while
|
|
|
1206 * in cancel mode. The event will be dequeued on the next regular
|
|
|
1207 * call of next-event; the pump is off since error is caught.
|
|
|
1208 * The caller must *unconditionally* cancel modal loop if the
|
|
|
1209 * value returned by this function is nil. Otherwise, everything
|
|
|
1210 * will become frozen until the modal loop exits under normal
|
|
|
1211 * condition (scrollbar drag is released, menu closed etc.)
|
|
|
1212 */
|
|
|
1213 Lisp_Object
|
|
|
1214 mswindows_pump_outstanding_events (void)
|
|
|
1215 {
|
|
|
1216 /* This function can call lisp */
|
|
|
1217
|
|
|
1218 Lisp_Object result = Qt;
|
|
|
1219 struct gcpro gcpro1;
|
|
|
1220 GCPRO1 (result);
|
|
|
1221
|
|
|
1222 if (NILP(mswindows_error_caught_in_modal_loop))
|
|
|
1223 result = mswindows_protect_modal_loop (mswindows_unsafe_pump_events, Qnil);
|
|
|
1224 UNGCPRO;
|
|
|
1225 return result;
|
|
|
1226 }
|
|
|
1227
|
|
440
|
1228 /*
|
|
|
1229 * KEYBOARD_ONLY_P is set to non-zero when we are called from
|
|
|
1230 * QUITP, and are interesting in keyboard messages only.
|
|
|
1231 */
|
|
428
|
1232 static void
|
|
440
|
1233 mswindows_drain_windows_queue (int keyboard_only_till_quit_char_p)
|
|
428
|
1234 {
|
|
|
1235 MSG msg;
|
|
440
|
1236
|
|
|
1237 /* Minimize the hassle of misordered events by not fetching
|
|
|
1238 past quit char if called from QUITP; */
|
|
|
1239 while (!(keyboard_only_till_quit_char_p &&
|
|
|
1240 mswindows_quit_chars_count > 0) &&
|
|
|
1241 PeekMessage (&msg, NULL,
|
|
|
1242 keyboard_only_till_quit_char_p ? WM_KEYFIRST : 0,
|
|
|
1243 keyboard_only_till_quit_char_p ? WM_KEYLAST : 0,
|
|
|
1244 PM_REMOVE))
|
|
428
|
1245 {
|
|
440
|
1246 /* We have to translate messages that are not sent to the main
|
|
|
1247 window. This is so that key presses work ok in things like
|
|
|
1248 edit fields. However, we *musn't* translate message for the
|
|
428
|
1249 main window as this is handled in the wnd proc. */
|
|
440
|
1250 if (GetWindowLong (msg.hwnd, GWL_STYLE) & WS_CHILD)
|
|
428
|
1251 {
|
|
|
1252 TranslateMessage (&msg);
|
|
|
1253 }
|
|
|
1254 DispatchMessage (&msg);
|
|
|
1255 mswindows_unmodalize_signal_maybe ();
|
|
|
1256 }
|
|
|
1257 }
|
|
|
1258
|
|
|
1259 /*
|
|
|
1260 * This is a special flavor of the mswindows_need_event function,
|
|
|
1261 * used while in event pump. Actually, there is only kind of events
|
|
|
1262 * allowed while in event pump: a timer. An attempt to fetch any
|
|
|
1263 * other event leads to a deadlock, as there's no source of user input
|
|
|
1264 * ('cause event pump mirrors windows modal loop, which is a sole
|
|
|
1265 * owner of thread message queue).
|
|
|
1266 *
|
|
|
1267 * To detect this, we use a counter of active timers, and allow
|
|
|
1268 * fetching WM_TIMER messages. Instead of trying to fetch a WM_TIMER
|
|
|
1269 * which will never come when there are no pending timers, which leads
|
|
|
1270 * to deadlock, we simply signal an error.
|
|
|
1271 */
|
|
|
1272 static void
|
|
|
1273 mswindows_need_event_in_modal_loop (int badly_p)
|
|
|
1274 {
|
|
|
1275 MSG msg;
|
|
|
1276
|
|
|
1277 /* Check if already have one */
|
|
|
1278 if (!NILP (mswindows_u_dispatch_event_queue)
|
|
|
1279 || !NILP (mswindows_s_dispatch_event_queue))
|
|
|
1280 return;
|
|
|
1281
|
|
|
1282 /* No event is ok */
|
|
|
1283 if (!badly_p)
|
|
|
1284 return;
|
|
|
1285
|
|
|
1286 /* We do not check the _u_ queue, because timers go to _s_ */
|
|
|
1287 while (NILP (mswindows_s_dispatch_event_queue))
|
|
|
1288 {
|
|
|
1289 /* We'll deadlock if go waiting */
|
|
|
1290 if (mswindows_pending_timers_count == 0)
|
|
|
1291 error ("Deadlock due to an attempt to call next-event in a wrong context");
|
|
|
1292
|
|
|
1293 /* Fetch and dispatch any pending timers */
|
|
|
1294 GetMessage (&msg, NULL, WM_TIMER, WM_TIMER);
|
|
|
1295 DispatchMessage (&msg);
|
|
|
1296 }
|
|
|
1297 }
|
|
|
1298
|
|
|
1299 /*
|
|
|
1300 * This drains the event queue and fills up two internal queues until
|
|
|
1301 * an event of a type specified by USER_P is retrieved.
|
|
|
1302 *
|
|
|
1303 *
|
|
|
1304 * Used by emacs_mswindows_event_pending_p and emacs_mswindows_next_event
|
|
|
1305 */
|
|
|
1306 static void
|
|
|
1307 mswindows_need_event (int badly_p)
|
|
|
1308 {
|
|
|
1309 int active;
|
|
|
1310
|
|
|
1311 if (mswindows_in_modal_loop)
|
|
|
1312 {
|
|
|
1313 mswindows_need_event_in_modal_loop (badly_p);
|
|
|
1314 return;
|
|
|
1315 }
|
|
|
1316
|
|
440
|
1317 #if 0
|
|
428
|
1318 /* Have to drain Windows message queue first, otherwise, we may miss
|
|
|
1319 quit char when called from quit_p */
|
|
440
|
1320 /* #### This is, ehm, not quite true -- this function is not
|
|
|
1321 called from quit_p. --kkm */
|
|
428
|
1322 mswindows_drain_windows_queue ();
|
|
440
|
1323 #endif
|
|
428
|
1324
|
|
|
1325 while (NILP (mswindows_u_dispatch_event_queue)
|
|
|
1326 && NILP (mswindows_s_dispatch_event_queue))
|
|
|
1327 {
|
|
|
1328 #ifdef HAVE_MSG_SELECT
|
|
|
1329 int i;
|
|
|
1330 SELECT_TYPE temp_mask = input_wait_mask;
|
|
|
1331 EMACS_TIME sometime;
|
|
|
1332 EMACS_SELECT_TIME select_time_to_block, *pointer_to_this;
|
|
|
1333
|
|
|
1334 if (badly_p)
|
|
|
1335 pointer_to_this = 0;
|
|
|
1336 else
|
|
|
1337 {
|
|
|
1338 EMACS_SET_SECS_USECS (sometime, 0, 0);
|
|
|
1339 EMACS_TIME_TO_SELECT_TIME (sometime, select_time_to_block);
|
|
|
1340 pointer_to_this = &select_time_to_block;
|
|
|
1341 }
|
|
|
1342
|
|
|
1343 active = select (MAXDESC, &temp_mask, 0, 0, pointer_to_this);
|
|
|
1344
|
|
|
1345 if (active == 0)
|
|
|
1346 {
|
|
|
1347 assert (!badly_p);
|
|
|
1348 return; /* timeout */
|
|
|
1349 }
|
|
|
1350 else if (active > 0)
|
|
|
1351 {
|
|
|
1352 if (FD_ISSET (windows_fd, &temp_mask))
|
|
|
1353 {
|
|
440
|
1354 mswindows_drain_windows_queue (0);
|
|
428
|
1355 }
|
|
|
1356 #ifdef HAVE_TTY
|
|
|
1357 /* Look for a TTY event */
|
|
|
1358 for (i = 0; i < MAXDESC-1; i++)
|
|
|
1359 {
|
|
|
1360 /* To avoid race conditions (among other things, an infinite
|
|
|
1361 loop when called from Fdiscard_input()), we must return
|
|
|
1362 user events ahead of process events. */
|
|
|
1363 if (FD_ISSET (i, &temp_mask) && FD_ISSET (i, &tty_only_mask))
|
|
|
1364 {
|
|
|
1365 struct console *c = tty_find_console_from_fd (i);
|
|
|
1366 Lisp_Object emacs_event = Fmake_event (Qnil, Qnil);
|
|
440
|
1367 Lisp_Event* event = XEVENT (emacs_event);
|
|
428
|
1368
|
|
|
1369 assert (c);
|
|
|
1370 if (read_event_from_tty_or_stream_desc (event, c, i))
|
|
|
1371 {
|
|
|
1372 mswindows_enqueue_dispatch_event (emacs_event);
|
|
|
1373 return;
|
|
|
1374 }
|
|
|
1375 }
|
|
|
1376 }
|
|
|
1377 #endif
|
|
|
1378 /* Look for a process event */
|
|
|
1379 for (i = 0; i < MAXDESC-1; i++)
|
|
|
1380 {
|
|
|
1381 if (FD_ISSET (i, &temp_mask))
|
|
|
1382 {
|
|
|
1383 if (FD_ISSET (i, &process_only_mask))
|
|
|
1384 {
|
|
440
|
1385 Lisp_Process *p =
|
|
428
|
1386 get_process_from_usid (FD_TO_USID(i));
|
|
|
1387
|
|
|
1388 mswindows_enqueue_process_event (p);
|
|
|
1389 }
|
|
|
1390 else
|
|
|
1391 {
|
|
|
1392 /* We might get here when a fake event came
|
|
|
1393 through a signal. Return a dummy event, so
|
|
|
1394 that a cycle of the command loop will
|
|
|
1395 occur. */
|
|
|
1396 drain_signal_event_pipe ();
|
|
|
1397 mswindows_enqueue_magic_event (NULL, XM_BUMPQUEUE);
|
|
|
1398 }
|
|
|
1399 }
|
|
|
1400 }
|
|
|
1401 }
|
|
|
1402 else if (active==-1)
|
|
|
1403 {
|
|
|
1404 if (errno != EINTR)
|
|
|
1405 {
|
|
|
1406 /* something bad happened */
|
|
|
1407 assert(0);
|
|
|
1408 }
|
|
|
1409 }
|
|
|
1410 else
|
|
|
1411 {
|
|
|
1412 assert(0);
|
|
|
1413 }
|
|
|
1414 #else
|
|
|
1415 /* Now try getting a message or process event */
|
|
|
1416 active = MsgWaitForMultipleObjects (mswindows_waitable_count,
|
|
|
1417 mswindows_waitable_handles,
|
|
|
1418 FALSE, badly_p ? INFINITE : 0,
|
|
|
1419 QS_ALLINPUT);
|
|
|
1420
|
|
|
1421 /* This will assert if handle being waited for becomes abandoned.
|
|
|
1422 Not the case currently tho */
|
|
|
1423 assert ((!badly_p && active == WAIT_TIMEOUT) ||
|
|
|
1424 (active >= WAIT_OBJECT_0 &&
|
|
|
1425 active <= WAIT_OBJECT_0 + mswindows_waitable_count));
|
|
|
1426
|
|
|
1427 if (active == WAIT_TIMEOUT)
|
|
|
1428 {
|
|
|
1429 /* No luck trying - just return what we've already got */
|
|
|
1430 return;
|
|
|
1431 }
|
|
|
1432 else if (active == WAIT_OBJECT_0 + mswindows_waitable_count)
|
|
|
1433 {
|
|
|
1434 /* Got your message, thanks */
|
|
440
|
1435 mswindows_drain_windows_queue (0);
|
|
428
|
1436 }
|
|
|
1437 else
|
|
|
1438 {
|
|
|
1439 int ix = active - WAIT_OBJECT_0;
|
|
|
1440 /* First, try to find which process' output has signaled */
|
|
440
|
1441 Lisp_Process *p =
|
|
428
|
1442 get_process_from_usid (HANDLE_TO_USID (mswindows_waitable_handles[ix]));
|
|
|
1443 if (p != NULL)
|
|
|
1444 {
|
|
|
1445 /* Found a signaled process input handle */
|
|
|
1446 mswindows_enqueue_process_event (p);
|
|
|
1447 }
|
|
|
1448 else
|
|
|
1449 {
|
|
|
1450 /* None. This means that the process handle itself has signaled.
|
|
|
1451 Remove the handle from the wait vector, and make status_notify
|
|
|
1452 note the exited process */
|
|
|
1453 mswindows_waitable_handles [ix] =
|
|
|
1454 mswindows_waitable_handles [--mswindows_waitable_count];
|
|
|
1455 kick_status_notify ();
|
|
|
1456 /* Have to return something: there may be no accompanying
|
|
|
1457 process event */
|
|
|
1458 mswindows_enqueue_magic_event (NULL, XM_BUMPQUEUE);
|
|
|
1459 }
|
|
|
1460 }
|
|
|
1461 #endif
|
|
|
1462 } /* while */
|
|
|
1463 }
|
|
|
1464
|
|
|
1465 /************************************************************************/
|
|
|
1466 /* Event generators */
|
|
|
1467 /************************************************************************/
|
|
|
1468
|
|
|
1469 /*
|
|
|
1470 * Callback procedure for synchronous timer messages
|
|
|
1471 */
|
|
|
1472 static void CALLBACK
|
|
|
1473 mswindows_wm_timer_callback (HWND hwnd, UINT umsg, UINT id_timer, DWORD dwtime)
|
|
|
1474 {
|
|
|
1475 Lisp_Object emacs_event = Fmake_event (Qnil, Qnil);
|
|
440
|
1476 Lisp_Event *event = XEVENT (emacs_event);
|
|
428
|
1477
|
|
|
1478 if (KillTimer (NULL, id_timer))
|
|
|
1479 --mswindows_pending_timers_count;
|
|
|
1480
|
|
|
1481 event->channel = Qnil;
|
|
|
1482 event->timestamp = dwtime;
|
|
|
1483 event->event_type = timeout_event;
|
|
|
1484 event->event.timeout.interval_id = id_timer;
|
|
|
1485 event->event.timeout.function = Qnil;
|
|
|
1486 event->event.timeout.object = Qnil;
|
|
|
1487
|
|
|
1488 mswindows_enqueue_dispatch_event (emacs_event);
|
|
|
1489 }
|
|
|
1490
|
|
|
1491 /*
|
|
|
1492 * Callback procedure for dde messages
|
|
|
1493 *
|
|
|
1494 * We execute a dde Open("file") by simulating a file drop, so dde support
|
|
|
1495 * depends on dnd support.
|
|
|
1496 */
|
|
|
1497 #ifdef HAVE_DRAGNDROP
|
|
|
1498 HDDEDATA CALLBACK
|
|
|
1499 mswindows_dde_callback (UINT uType, UINT uFmt, HCONV hconv,
|
|
|
1500 HSZ hszTopic, HSZ hszItem, HDDEDATA hdata,
|
|
|
1501 DWORD dwData1, DWORD dwData2)
|
|
|
1502 {
|
|
|
1503 switch (uType)
|
|
|
1504 {
|
|
|
1505 case XTYP_CONNECT:
|
|
|
1506 if (!DdeCmpStringHandles (hszTopic, mswindows_dde_topic_system))
|
|
|
1507 return (HDDEDATA)TRUE;
|
|
|
1508 return (HDDEDATA)FALSE;
|
|
|
1509
|
|
|
1510 case XTYP_WILDCONNECT:
|
|
|
1511 {
|
|
|
1512 /* We only support one {service,topic} pair */
|
|
|
1513 HSZPAIR pairs[2] = {
|
|
|
1514 { mswindows_dde_service, mswindows_dde_topic_system }, { 0, 0 } };
|
|
|
1515
|
|
|
1516 if (!(hszItem || DdeCmpStringHandles (hszItem, mswindows_dde_service)) &&
|
|
|
1517 !(hszTopic || DdeCmpStringHandles (hszTopic, mswindows_dde_topic_system)));
|
|
|
1518 return (DdeCreateDataHandle (mswindows_dde_mlid, (LPBYTE)pairs,
|
|
|
1519 sizeof (pairs), 0L, 0, uFmt, 0));
|
|
|
1520 }
|
|
|
1521 return (HDDEDATA)NULL;
|
|
|
1522
|
|
|
1523 case XTYP_EXECUTE:
|
|
|
1524 if (!DdeCmpStringHandles (hszTopic, mswindows_dde_topic_system))
|
|
|
1525 {
|
|
|
1526 DWORD len = DdeGetData (hdata, NULL, 0, 0);
|
|
|
1527 char *cmd = alloca (len+1);
|
|
|
1528 char *end;
|
|
|
1529 char *filename;
|
|
|
1530 struct gcpro gcpro1, gcpro2;
|
|
|
1531 Lisp_Object l_dndlist = Qnil;
|
|
|
1532 Lisp_Object emacs_event = Fmake_event (Qnil, Qnil);
|
|
|
1533 Lisp_Object frmcons, devcons, concons;
|
|
440
|
1534 Lisp_Event *event = XEVENT (emacs_event);
|
|
428
|
1535
|
|
|
1536 DdeGetData (hdata, cmd, len, 0);
|
|
|
1537 cmd[len] = '\0';
|
|
|
1538 DdeFreeDataHandle (hdata);
|
|
|
1539
|
|
|
1540 /* Check syntax & that it's an [Open("foo")] command, which we
|
|
|
1541 * treat like a file drop */
|
|
|
1542 /* #### Ought to be generalised and accept some other commands */
|
|
|
1543 if (*cmd == '[')
|
|
|
1544 cmd++;
|
|
|
1545 if (strnicmp (cmd, MSWINDOWS_DDE_ITEM_OPEN,
|
|
|
1546 strlen (MSWINDOWS_DDE_ITEM_OPEN)))
|
|
|
1547 return DDE_FNOTPROCESSED;
|
|
|
1548 cmd += strlen (MSWINDOWS_DDE_ITEM_OPEN);
|
|
|
1549 while (*cmd==' ')
|
|
|
1550 cmd++;
|
|
|
1551 if (*cmd!='(' || *(cmd+1)!='\"')
|
|
|
1552 return DDE_FNOTPROCESSED;
|
|
|
1553 end = (cmd+=2);
|
|
|
1554 while (*end && *end!='\"')
|
|
|
1555 end++;
|
|
|
1556 if (!*end)
|
|
|
1557 return DDE_FNOTPROCESSED;
|
|
|
1558 *end = '\0';
|
|
|
1559 if (*(++end)!=')')
|
|
|
1560 return DDE_FNOTPROCESSED;
|
|
|
1561 if (*(++end)==']')
|
|
|
1562 end++;
|
|
|
1563 if (*end)
|
|
|
1564 return DDE_FNOTPROCESSED;
|
|
|
1565
|
|
|
1566 #ifdef __CYGWIN32__
|
|
|
1567 filename = alloca (cygwin32_win32_to_posix_path_list_buf_size (cmd) + 5);
|
|
|
1568 strcpy (filename, "file:");
|
|
|
1569 cygwin32_win32_to_posix_path_list (cmd, filename+5);
|
|
|
1570 #else
|
|
|
1571 dostounix_filename (cmd);
|
|
|
1572 filename = alloca (strlen (cmd)+6);
|
|
|
1573 strcpy (filename, "file:");
|
|
|
1574 strcat (filename, cmd);
|
|
|
1575 #endif
|
|
|
1576 GCPRO2 (emacs_event, l_dndlist);
|
|
|
1577 l_dndlist = make_string (filename, strlen (filename));
|
|
|
1578
|
|
|
1579 /* Find a mswindows frame */
|
|
|
1580 event->channel = Qnil;
|
|
|
1581 FRAME_LOOP_NO_BREAK (frmcons, devcons, concons)
|
|
|
1582 {
|
|
|
1583 Lisp_Object frame = XCAR (frmcons);
|
|
|
1584 if (FRAME_TYPE_P (XFRAME (frame), mswindows))
|
|
|
1585 event->channel = frame;
|
|
|
1586 };
|
|
|
1587 assert (!NILP (event->channel));
|
|
|
1588
|
|
|
1589 event->timestamp = GetTickCount();
|
|
|
1590 event->event_type = misc_user_event;
|
|
|
1591 event->event.misc.button = 1;
|
|
|
1592 event->event.misc.modifiers = 0;
|
|
|
1593 event->event.misc.x = -1;
|
|
|
1594 event->event.misc.y = -1;
|
|
|
1595 event->event.misc.function = Qdragdrop_drop_dispatch;
|
|
|
1596 event->event.misc.object = Fcons (Qdragdrop_URL,
|
|
|
1597 Fcons (l_dndlist, Qnil));
|
|
|
1598 mswindows_enqueue_dispatch_event (emacs_event);
|
|
|
1599 UNGCPRO;
|
|
|
1600 return (HDDEDATA) DDE_FACK;
|
|
|
1601 }
|
|
|
1602 DdeFreeDataHandle (hdata);
|
|
|
1603 return (HDDEDATA) DDE_FNOTPROCESSED;
|
|
|
1604
|
|
|
1605 default:
|
|
|
1606 return (HDDEDATA) NULL;
|
|
|
1607 }
|
|
|
1608 }
|
|
|
1609 #endif
|
|
|
1610
|
|
|
1611 /*
|
|
440
|
1612 * Returns 1 if a key is a real modifier or special key, which
|
|
|
1613 * is better handled by DefWindowProc
|
|
|
1614 */
|
|
|
1615 static int
|
|
|
1616 key_needs_default_processing_p (UINT vkey)
|
|
|
1617 {
|
|
|
1618 if (mswindows_meta_activates_menu && vkey == VK_MENU)
|
|
|
1619 return 1;
|
|
|
1620
|
|
|
1621 return 0;
|
|
|
1622 }
|
|
|
1623
|
|
|
1624 /*
|
|
428
|
1625 * The windows procedure for the window class XEMACS_CLASS
|
|
|
1626 */
|
|
|
1627 LRESULT WINAPI
|
|
|
1628 mswindows_wnd_proc(HWND hwnd, UINT message, WPARAM wParam, LPARAM lParam)
|
|
|
1629 {
|
|
|
1630 /* Note: Remember to initialize emacs_event and event before use.
|
|
|
1631 This code calls code that can GC. You must GCPRO before calling such code. */
|
|
|
1632 Lisp_Object emacs_event = Qnil;
|
|
|
1633 Lisp_Object fobj = Qnil;
|
|
|
1634
|
|
440
|
1635 Lisp_Event *event;
|
|
428
|
1636 struct frame *frame;
|
|
|
1637 struct mswindows_frame* msframe;
|
|
|
1638
|
|
|
1639 switch (message)
|
|
|
1640 {
|
|
430
|
1641 case WM_DESTROYCLIPBOARD:
|
|
|
1642 /* We own the clipboard and someone else wants it. Delete our
|
|
|
1643 cached copy of the clipboard contents so we'll ask for it from
|
|
|
1644 Windows again when someone does a paste. */
|
|
|
1645 handle_selection_clear(QCLIPBOARD);
|
|
|
1646 break;
|
|
|
1647
|
|
428
|
1648 case WM_ERASEBKGND:
|
|
|
1649 /* Erase background only during non-dynamic sizing */
|
|
|
1650 msframe = FRAME_MSWINDOWS_DATA (XFRAME (mswindows_find_frame (hwnd)));
|
|
|
1651 if (msframe->sizing && !mswindows_dynamic_frame_resize)
|
|
|
1652 goto defproc;
|
|
|
1653 return 1;
|
|
|
1654
|
|
|
1655 case WM_CLOSE:
|
|
|
1656 fobj = mswindows_find_frame (hwnd);
|
|
|
1657 mswindows_enqueue_misc_user_event (fobj, Qeval, list3 (Qdelete_frame, fobj, Qt));
|
|
|
1658 break;
|
|
|
1659
|
|
|
1660 case WM_KEYUP:
|
|
|
1661 case WM_SYSKEYUP:
|
|
|
1662 /* See Win95 comment under WM_KEYDOWN */
|
|
|
1663 {
|
|
|
1664 BYTE keymap[256];
|
|
|
1665
|
|
|
1666 if (wParam == VK_CONTROL)
|
|
|
1667 {
|
|
|
1668 GetKeyboardState (keymap);
|
|
|
1669 keymap [(lParam & 0x1000000) ? VK_RCONTROL : VK_LCONTROL] &= ~0x80;
|
|
|
1670 SetKeyboardState (keymap);
|
|
|
1671 }
|
|
|
1672 else if (wParam == VK_MENU)
|
|
|
1673 {
|
|
|
1674 GetKeyboardState (keymap);
|
|
|
1675 keymap [(lParam & 0x1000000) ? VK_RMENU : VK_LMENU] &= ~0x80;
|
|
|
1676 SetKeyboardState (keymap);
|
|
|
1677 }
|
|
|
1678 };
|
|
440
|
1679 if (key_needs_default_processing_p (wParam))
|
|
|
1680 goto defproc;
|
|
|
1681 else
|
|
|
1682 break;
|
|
428
|
1683
|
|
|
1684 case WM_KEYDOWN:
|
|
|
1685 case WM_SYSKEYDOWN:
|
|
|
1686 /* In some locales the right-hand Alt key is labelled AltGr. This key
|
|
|
1687 * should produce alternative charcaters when combined with another key.
|
|
|
1688 * eg on a German keyboard pressing AltGr+q should produce '@'.
|
|
|
1689 * AltGr generates exactly the same keystrokes as LCtrl+RAlt. But if
|
|
|
1690 * TranslateMessage() is called with *any* combination of Ctrl+Alt down,
|
|
|
1691 * it translates as if AltGr were down.
|
|
|
1692 * We get round this by removing all modifiers from the keymap before
|
|
|
1693 * calling TranslateMessage() unless AltGr is *really* down. */
|
|
|
1694 {
|
|
|
1695 BYTE keymap[256];
|
|
|
1696 int has_AltGr = mswindows_current_layout_has_AltGr ();
|
|
|
1697 int mods;
|
|
|
1698 int extendedp = lParam & 0x1000000;
|
|
|
1699 Lisp_Object keysym;
|
|
|
1700
|
|
|
1701 GetKeyboardState (keymap);
|
|
|
1702 mods = mswindows_modifier_state (keymap, has_AltGr);
|
|
|
1703
|
|
|
1704 /* Handle non-printables */
|
|
|
1705 if (!NILP (keysym = mswindows_key_to_emacs_keysym (wParam, mods,
|
|
|
1706 extendedp)))
|
|
|
1707 mswindows_enqueue_keypress_event (hwnd, keysym, mods);
|
|
|
1708 else /* Normal keys & modifiers */
|
|
|
1709 {
|
|
|
1710 int quit_ch = CONSOLE_QUIT_CHAR (XCONSOLE (mswindows_find_console (hwnd)));
|
|
|
1711 BYTE keymap_orig[256];
|
|
|
1712 POINT pnt = { LOWORD (GetMessagePos()), HIWORD (GetMessagePos()) };
|
|
|
1713 MSG msg;
|
|
|
1714
|
|
|
1715 msg.hwnd = hwnd;
|
|
|
1716 msg.message = message;
|
|
|
1717 msg.wParam = wParam;
|
|
|
1718 msg.lParam = lParam;
|
|
|
1719 msg.time = GetMessageTime();
|
|
|
1720 msg.pt = pnt;
|
|
|
1721
|
|
|
1722 /* GetKeyboardState() does not work as documented on Win95. We have
|
|
|
1723 * to loosely track Left and Right modifiers on behalf of the OS,
|
|
|
1724 * without screwing up Windows NT which tracks them properly. */
|
|
|
1725 if (wParam == VK_CONTROL)
|
|
|
1726 keymap [extendedp ? VK_RCONTROL : VK_LCONTROL] |= 0x80;
|
|
|
1727 else if (wParam == VK_MENU)
|
|
|
1728 keymap [extendedp ? VK_RMENU : VK_LMENU] |= 0x80;
|
|
|
1729
|
|
|
1730 memcpy (keymap_orig, keymap, 256);
|
|
|
1731
|
|
|
1732 /* Remove shift modifier from an ascii character */
|
|
|
1733 mods &= ~MOD_SHIFT;
|
|
|
1734
|
|
|
1735 /* Clear control and alt modifiers unless AltGr is pressed */
|
|
|
1736 keymap [VK_RCONTROL] = 0;
|
|
|
1737 keymap [VK_LMENU] = 0;
|
|
440
|
1738 if (!has_AltGr || !(keymap [VK_LCONTROL] & 0x80)
|
|
|
1739 || !(keymap [VK_RMENU] & 0x80))
|
|
428
|
1740 {
|
|
|
1741 keymap [VK_LCONTROL] = 0;
|
|
|
1742 keymap [VK_CONTROL] = 0;
|
|
|
1743 keymap [VK_RMENU] = 0;
|
|
|
1744 keymap [VK_MENU] = 0;
|
|
|
1745 }
|
|
|
1746 SetKeyboardState (keymap);
|
|
|
1747
|
|
|
1748 /* Maybe generate some WM_[SYS]CHARs in the queue */
|
|
|
1749 TranslateMessage (&msg);
|
|
|
1750
|
|
|
1751 while (PeekMessage (&msg, hwnd, WM_CHAR, WM_CHAR, PM_REMOVE)
|
|
|
1752 || PeekMessage (&msg, hwnd, WM_SYSCHAR, WM_SYSCHAR, PM_REMOVE))
|
|
|
1753 {
|
|
|
1754 int mods1 = mods;
|
|
|
1755 WPARAM ch = msg.wParam;
|
|
|
1756
|
|
|
1757 /* If a quit char with no modifiers other than control and
|
|
|
1758 shift, then mark it with a fake modifier, which is removed
|
|
|
1759 upon dequeueing the event */
|
|
|
1760 /* #### This might also not withstand localization, if
|
|
|
1761 quit character is not a latin-1 symbol */
|
|
|
1762 if (((quit_ch < ' ' && (mods & MOD_CONTROL) && quit_ch + 'a' - 1 == ch)
|
|
|
1763 || (quit_ch >= ' ' && !(mods & MOD_CONTROL) && quit_ch == ch))
|
|
|
1764 && ((mods & ~(MOD_CONTROL | MOD_SHIFT)) == 0))
|
|
|
1765 {
|
|
|
1766 mods1 |= FAKE_MOD_QUIT;
|
|
|
1767 ++mswindows_quit_chars_count;
|
|
|
1768 }
|
|
|
1769
|
|
|
1770 mswindows_enqueue_keypress_event (hwnd, make_char(ch), mods1);
|
|
|
1771 } /* while */
|
|
|
1772 SetKeyboardState (keymap_orig);
|
|
|
1773 } /* else */
|
|
|
1774 }
|
|
440
|
1775 if (key_needs_default_processing_p (wParam))
|
|
428
|
1776 goto defproc;
|
|
440
|
1777 else
|
|
|
1778 break;
|
|
428
|
1779
|
|
|
1780 case WM_MBUTTONDOWN:
|
|
|
1781 case WM_MBUTTONUP:
|
|
|
1782 /* Real middle mouse button has nothing to do with emulated one:
|
|
|
1783 if one wants to exercise fingers playing chords on the mouse,
|
|
|
1784 he is allowed to do that! */
|
|
|
1785 mswindows_enqueue_mouse_button_event (hwnd, message,
|
|
|
1786 MAKEPOINTS (lParam), GetMessageTime());
|
|
|
1787 break;
|
|
|
1788
|
|
|
1789 case WM_LBUTTONUP:
|
|
|
1790 msframe = FRAME_MSWINDOWS_DATA (XFRAME (mswindows_find_frame (hwnd)));
|
|
|
1791 msframe->last_click_time = GetMessageTime();
|
|
|
1792
|
|
|
1793 KillTimer (hwnd, BUTTON_2_TIMER_ID);
|
|
|
1794 msframe->button2_need_lbutton = 0;
|
|
|
1795 if (msframe->ignore_next_lbutton_up)
|
|
|
1796 {
|
|
|
1797 msframe->ignore_next_lbutton_up = 0;
|
|
|
1798 }
|
|
|
1799 else if (msframe->button2_is_down)
|
|
|
1800 {
|
|
|
1801 msframe->button2_is_down = 0;
|
|
|
1802 msframe->ignore_next_rbutton_up = 1;
|
|
|
1803 mswindows_enqueue_mouse_button_event (hwnd, WM_MBUTTONUP,
|
|
|
1804 MAKEPOINTS (lParam), GetMessageTime());
|
|
|
1805 }
|
|
|
1806 else
|
|
|
1807 {
|
|
|
1808 if (msframe->button2_need_rbutton)
|
|
|
1809 {
|
|
|
1810 msframe->button2_need_rbutton = 0;
|
|
|
1811 mswindows_enqueue_mouse_button_event (hwnd, WM_LBUTTONDOWN,
|
|
|
1812 MAKEPOINTS (lParam), GetMessageTime());
|
|
|
1813 }
|
|
|
1814 mswindows_enqueue_mouse_button_event (hwnd, WM_LBUTTONUP,
|
|
|
1815 MAKEPOINTS (lParam), GetMessageTime());
|
|
|
1816 }
|
|
|
1817 break;
|
|
|
1818
|
|
|
1819 case WM_RBUTTONUP:
|
|
|
1820 msframe = FRAME_MSWINDOWS_DATA (XFRAME (mswindows_find_frame (hwnd)));
|
|
|
1821 msframe->last_click_time = GetMessageTime();
|
|
|
1822
|
|
|
1823 KillTimer (hwnd, BUTTON_2_TIMER_ID);
|
|
|
1824 msframe->button2_need_rbutton = 0;
|
|
|
1825 if (msframe->ignore_next_rbutton_up)
|
|
|
1826 {
|
|
|
1827 msframe->ignore_next_rbutton_up = 0;
|
|
|
1828 }
|
|
|
1829 else if (msframe->button2_is_down)
|
|
|
1830 {
|
|
|
1831 msframe->button2_is_down = 0;
|
|
|
1832 msframe->ignore_next_lbutton_up = 1;
|
|
|
1833 mswindows_enqueue_mouse_button_event (hwnd, WM_MBUTTONUP,
|
|
|
1834 MAKEPOINTS (lParam), GetMessageTime());
|
|
|
1835 }
|
|
|
1836 else
|
|
|
1837 {
|
|
|
1838 if (msframe->button2_need_lbutton)
|
|
|
1839 {
|
|
|
1840 msframe->button2_need_lbutton = 0;
|
|
|
1841 mswindows_enqueue_mouse_button_event (hwnd, WM_RBUTTONDOWN,
|
|
|
1842 MAKEPOINTS (lParam), GetMessageTime());
|
|
|
1843 }
|
|
|
1844 mswindows_enqueue_mouse_button_event (hwnd, WM_RBUTTONUP,
|
|
|
1845 MAKEPOINTS (lParam), GetMessageTime());
|
|
|
1846 }
|
|
|
1847 break;
|
|
|
1848
|
|
|
1849 case WM_LBUTTONDOWN:
|
|
|
1850 msframe = FRAME_MSWINDOWS_DATA (XFRAME (mswindows_find_frame (hwnd)));
|
|
|
1851
|
|
|
1852 if (msframe->button2_need_lbutton)
|
|
|
1853 {
|
|
|
1854 KillTimer (hwnd, BUTTON_2_TIMER_ID);
|
|
|
1855 msframe->button2_need_lbutton = 0;
|
|
|
1856 msframe->button2_need_rbutton = 0;
|
|
|
1857 if (mswindows_button2_near_enough (msframe->last_click_point, MAKEPOINTS (lParam)))
|
|
|
1858 {
|
|
|
1859 mswindows_enqueue_mouse_button_event (hwnd, WM_MBUTTONDOWN,
|
|
|
1860 MAKEPOINTS (lParam), GetMessageTime());
|
|
|
1861 msframe->button2_is_down = 1;
|
|
|
1862 }
|
|
|
1863 else
|
|
|
1864 {
|
|
|
1865 mswindows_enqueue_mouse_button_event (hwnd, WM_RBUTTONDOWN,
|
|
|
1866 msframe->last_click_point, msframe->last_click_time);
|
|
|
1867 mswindows_enqueue_mouse_button_event (hwnd, WM_LBUTTONDOWN,
|
|
|
1868 MAKEPOINTS (lParam), GetMessageTime());
|
|
|
1869 }
|
|
|
1870 }
|
|
|
1871 else
|
|
|
1872 {
|
|
|
1873 mswindows_set_chord_timer (hwnd);
|
|
|
1874 msframe->button2_need_rbutton = 1;
|
|
|
1875 msframe->last_click_point = MAKEPOINTS (lParam);
|
|
|
1876 }
|
|
|
1877 msframe->last_click_time = GetMessageTime();
|
|
|
1878 break;
|
|
|
1879
|
|
|
1880 case WM_RBUTTONDOWN:
|
|
|
1881 msframe = FRAME_MSWINDOWS_DATA (XFRAME (mswindows_find_frame (hwnd)));
|
|
|
1882
|
|
|
1883 if (msframe->button2_need_rbutton)
|
|
|
1884 {
|
|
|
1885 KillTimer (hwnd, BUTTON_2_TIMER_ID);
|
|
|
1886 msframe->button2_need_lbutton = 0;
|
|
|
1887 msframe->button2_need_rbutton = 0;
|
|
|
1888 if (mswindows_button2_near_enough (msframe->last_click_point, MAKEPOINTS (lParam)))
|
|
|
1889 {
|
|
|
1890 mswindows_enqueue_mouse_button_event (hwnd, WM_MBUTTONDOWN,
|
|
|
1891 MAKEPOINTS (lParam), GetMessageTime());
|
|
|
1892 msframe->button2_is_down = 1;
|
|
|
1893 }
|
|
|
1894 else
|
|
|
1895 {
|
|
|
1896 mswindows_enqueue_mouse_button_event (hwnd, WM_LBUTTONDOWN,
|
|
|
1897 msframe->last_click_point, msframe->last_click_time);
|
|
|
1898 mswindows_enqueue_mouse_button_event (hwnd, WM_RBUTTONDOWN,
|
|
|
1899 MAKEPOINTS (lParam), GetMessageTime());
|
|
|
1900 }
|
|
|
1901 }
|
|
|
1902 else
|
|
|
1903 {
|
|
|
1904 mswindows_set_chord_timer (hwnd);
|
|
|
1905 msframe->button2_need_lbutton = 1;
|
|
|
1906 msframe->last_click_point = MAKEPOINTS (lParam);
|
|
|
1907 }
|
|
|
1908 msframe->last_click_time = GetMessageTime();
|
|
|
1909 break;
|
|
|
1910
|
|
|
1911 case WM_TIMER:
|
|
|
1912 if (wParam == BUTTON_2_TIMER_ID)
|
|
|
1913 {
|
|
|
1914 msframe = FRAME_MSWINDOWS_DATA (XFRAME (mswindows_find_frame (hwnd)));
|
|
|
1915 KillTimer (hwnd, BUTTON_2_TIMER_ID);
|
|
|
1916
|
|
|
1917 if (msframe->button2_need_lbutton)
|
|
|
1918 {
|
|
|
1919 msframe->button2_need_lbutton = 0;
|
|
|
1920 mswindows_enqueue_mouse_button_event (hwnd, WM_RBUTTONDOWN,
|
|
|
1921 msframe->last_click_point, msframe->last_click_time);
|
|
|
1922 }
|
|
|
1923 else if (msframe->button2_need_rbutton)
|
|
|
1924 {
|
|
|
1925 msframe->button2_need_rbutton = 0;
|
|
|
1926 mswindows_enqueue_mouse_button_event (hwnd, WM_LBUTTONDOWN,
|
|
|
1927 msframe->last_click_point, msframe->last_click_time);
|
|
|
1928 }
|
|
|
1929 }
|
|
|
1930 else
|
|
|
1931 assert ("Spurious timer fired" == 0);
|
|
|
1932 break;
|
|
|
1933
|
|
|
1934 case WM_MOUSEMOVE:
|
|
|
1935 /* Optimization: don't report mouse movement while size is changing */
|
|
|
1936 msframe = FRAME_MSWINDOWS_DATA (XFRAME (mswindows_find_frame (hwnd)));
|
|
|
1937 if (!msframe->sizing)
|
|
|
1938 {
|
|
|
1939 /* When waiting for the second mouse button to finish
|
|
|
1940 button2 emulation, and have moved too far, just pretend
|
|
|
1941 as if timer has expired. This improves drag-select feedback */
|
|
|
1942 if ((msframe->button2_need_lbutton || msframe->button2_need_rbutton)
|
|
|
1943 && !mswindows_button2_near_enough (msframe->last_click_point,
|
|
|
1944 MAKEPOINTS (lParam)))
|
|
|
1945 {
|
|
|
1946 KillTimer (hwnd, BUTTON_2_TIMER_ID);
|
|
|
1947 SendMessage (hwnd, WM_TIMER, BUTTON_2_TIMER_ID, 0);
|
|
|
1948 }
|
|
|
1949
|
|
|
1950 emacs_event = Fmake_event (Qnil, Qnil);
|
|
|
1951 event = XEVENT(emacs_event);
|
|
|
1952
|
|
|
1953 event->channel = mswindows_find_frame(hwnd);
|
|
|
1954 event->timestamp = GetMessageTime();
|
|
|
1955 event->event_type = pointer_motion_event;
|
|
|
1956 event->event.motion.x = MAKEPOINTS(lParam).x;
|
|
|
1957 event->event.motion.y = MAKEPOINTS(lParam).y;
|
|
|
1958 event->event.motion.modifiers = mswindows_modifier_state (NULL, 0);
|
|
|
1959
|
|
|
1960 mswindows_enqueue_dispatch_event (emacs_event);
|
|
|
1961 }
|
|
|
1962 break;
|
|
|
1963
|
|
|
1964 case WM_CANCELMODE:
|
|
|
1965 ReleaseCapture ();
|
|
|
1966 /* Queue a `cancel-mode-internal' misc user event, so mouse
|
|
|
1967 selection would be canceled if any */
|
|
|
1968 mswindows_enqueue_misc_user_event (mswindows_find_frame (hwnd),
|
|
|
1969 Qcancel_mode_internal, Qnil);
|
|
|
1970 break;
|
|
|
1971
|
|
|
1972 case WM_NOTIFY:
|
|
|
1973 {
|
|
|
1974 LPNMHDR nmhdr = (LPNMHDR)lParam;
|
|
|
1975
|
|
|
1976 if (nmhdr->code == TTN_NEEDTEXT)
|
|
|
1977 {
|
|
|
1978 #ifdef HAVE_TOOLBARS
|
|
|
1979 LPTOOLTIPTEXT tttext = (LPTOOLTIPTEXT)lParam;
|
|
|
1980 Lisp_Object btext;
|
|
|
1981
|
|
|
1982 /* find out which toolbar */
|
|
|
1983 frame = XFRAME (mswindows_find_frame (hwnd));
|
|
|
1984 btext = mswindows_get_toolbar_button_text ( frame,
|
|
|
1985 nmhdr->idFrom );
|
|
|
1986
|
|
|
1987 tttext->lpszText = NULL;
|
|
|
1988 tttext->hinst = NULL;
|
|
|
1989
|
|
|
1990 if (!NILP(btext))
|
|
|
1991 {
|
|
|
1992 /* I think this is safe since the text will only go away
|
|
|
1993 when the toolbar does...*/
|
|
440
|
1994 TO_EXTERNAL_FORMAT (LISP_STRING, btext,
|
|
|
1995 C_STRING_ALLOCA, tttext->lpszText,
|
|
|
1996 Qnative);
|
|
428
|
1997 }
|
|
|
1998 #endif
|
|
|
1999 }
|
|
|
2000 /* handle tree view callbacks */
|
|
|
2001 else if (nmhdr->code == TVN_SELCHANGED)
|
|
|
2002 {
|
|
|
2003 NM_TREEVIEW* ptree = (NM_TREEVIEW*)lParam;
|
|
|
2004 frame = XFRAME (mswindows_find_frame (hwnd));
|
|
|
2005 mswindows_handle_gui_wm_command (frame, 0, ptree->itemNew.lParam);
|
|
|
2006 }
|
|
|
2007 /* handle tab control callbacks */
|
|
|
2008 else if (nmhdr->code == TCN_SELCHANGE)
|
|
|
2009 {
|
|
|
2010 TC_ITEM item;
|
|
440
|
2011 int idx = SendMessage (nmhdr->hwndFrom, TCM_GETCURSEL, 0, 0);
|
|
428
|
2012 frame = XFRAME (mswindows_find_frame (hwnd));
|
|
|
2013
|
|
|
2014 item.mask = TCIF_PARAM;
|
|
440
|
2015 SendMessage (nmhdr->hwndFrom, TCM_GETITEM, (WPARAM)idx,
|
|
428
|
2016 (LPARAM)&item);
|
|
|
2017
|
|
|
2018 mswindows_handle_gui_wm_command (frame, 0, item.lParam);
|
|
|
2019 }
|
|
|
2020 }
|
|
|
2021 break;
|
|
|
2022
|
|
|
2023 case WM_PAINT:
|
|
|
2024 {
|
|
|
2025 /* According to the docs we need to check GetUpdateRect() before
|
|
|
2026 actually doing a WM_PAINT */
|
|
|
2027 if (GetUpdateRect (hwnd, NULL, FALSE))
|
|
|
2028 {
|
|
|
2029 PAINTSTRUCT paintStruct;
|
|
|
2030 int x, y, width, height;
|
|
|
2031
|
|
|
2032 frame = XFRAME (mswindows_find_frame (hwnd));
|
|
|
2033
|
|
|
2034 BeginPaint (hwnd, &paintStruct);
|
|
|
2035 x = paintStruct.rcPaint.left;
|
|
|
2036 y = paintStruct.rcPaint.top;
|
|
|
2037 width = paintStruct.rcPaint.right - paintStruct.rcPaint.left;
|
|
|
2038 height = paintStruct.rcPaint.bottom - paintStruct.rcPaint.top;
|
|
|
2039 /* Normally we want to ignore expose events when child
|
|
|
2040 windows are unmapped, however once we are in the guts of
|
|
|
2041 WM_PAINT we need to make sure that we don't register
|
|
|
2042 unmaps then because they will not actually occur. */
|
|
|
2043 if (!check_for_ignored_expose (frame, x, y, width, height))
|
|
|
2044 {
|
|
|
2045 hold_ignored_expose_registration = 1;
|
|
|
2046 mswindows_redraw_exposed_area (frame, x, y, width, height);
|
|
|
2047 hold_ignored_expose_registration = 0;
|
|
|
2048 }
|
|
|
2049
|
|
|
2050 EndPaint (hwnd, &paintStruct);
|
|
|
2051 }
|
|
|
2052 else
|
|
|
2053 goto defproc;
|
|
|
2054 }
|
|
|
2055 break;
|
|
|
2056
|
|
|
2057 case WM_SIZE:
|
|
|
2058 /* We only care about this message if our size has really changed */
|
|
|
2059 if (wParam==SIZE_RESTORED || wParam==SIZE_MAXIMIZED || wParam==SIZE_MINIMIZED)
|
|
|
2060 {
|
|
|
2061 RECT rect;
|
|
|
2062 int columns, rows;
|
|
|
2063
|
|
|
2064 fobj = mswindows_find_frame (hwnd);
|
|
|
2065 frame = XFRAME (fobj);
|
|
|
2066 msframe = FRAME_MSWINDOWS_DATA (frame);
|
|
|
2067
|
|
|
2068 /* We cannot handle frame map and unmap hooks right in
|
|
|
2069 this routine, because these may throw. We queue
|
|
|
2070 magic events to run these hooks instead - kkm */
|
|
|
2071
|
|
|
2072 if (wParam==SIZE_MINIMIZED)
|
|
|
2073 {
|
|
|
2074 /* Iconified */
|
|
|
2075 FRAME_VISIBLE_P (frame) = 0;
|
|
|
2076 mswindows_enqueue_magic_event (hwnd, XM_UNMAPFRAME);
|
|
|
2077 }
|
|
|
2078 else
|
|
|
2079 {
|
|
|
2080 GetClientRect(hwnd, &rect);
|
|
|
2081 FRAME_PIXWIDTH(frame) = rect.right;
|
|
|
2082 FRAME_PIXHEIGHT(frame) = rect.bottom;
|
|
|
2083
|
|
|
2084 pixel_to_real_char_size (frame, rect.right, rect.bottom,
|
|
|
2085 &FRAME_MSWINDOWS_CHARWIDTH (frame),
|
|
|
2086 &FRAME_MSWINDOWS_CHARHEIGHT (frame));
|
|
|
2087
|
|
|
2088 pixel_to_char_size (frame, rect.right, rect.bottom, &columns, &rows);
|
|
|
2089 change_frame_size (frame, rows, columns, 1);
|
|
|
2090
|
|
|
2091 /* If we are inside frame creation, we have to apply geometric
|
|
|
2092 properties now. */
|
|
|
2093 if (FRAME_MSWINDOWS_TARGET_RECT (frame))
|
|
|
2094 {
|
|
|
2095 /* Yes, we have to size again */
|
|
|
2096 mswindows_size_frame_internal ( frame,
|
|
|
2097 FRAME_MSWINDOWS_TARGET_RECT
|
|
|
2098 (frame));
|
|
|
2099 /* Reset so we do not get here again. The SetWindowPos call in
|
|
|
2100 * mswindows_size_frame_internal can cause recursion here. */
|
|
|
2101 if (FRAME_MSWINDOWS_TARGET_RECT (frame))
|
|
|
2102 {
|
|
|
2103 xfree (FRAME_MSWINDOWS_TARGET_RECT (frame));
|
|
|
2104 FRAME_MSWINDOWS_TARGET_RECT (frame) = 0;
|
|
|
2105 }
|
|
|
2106 }
|
|
|
2107 else
|
|
|
2108 {
|
|
|
2109 if (!msframe->sizing && !FRAME_VISIBLE_P (frame))
|
|
|
2110 mswindows_enqueue_magic_event (hwnd, XM_MAPFRAME);
|
|
|
2111 FRAME_VISIBLE_P (frame) = 1;
|
|
|
2112
|
|
|
2113 if (!msframe->sizing || mswindows_dynamic_frame_resize)
|
|
|
2114 redisplay ();
|
|
|
2115 }
|
|
|
2116 }
|
|
|
2117 }
|
|
|
2118 break;
|
|
|
2119
|
|
|
2120 /* Misc magic events which only require that the frame be identified */
|
|
|
2121 case WM_SETFOCUS:
|
|
|
2122 case WM_KILLFOCUS:
|
|
|
2123 mswindows_enqueue_magic_event (hwnd, message);
|
|
|
2124 break;
|
|
|
2125
|
|
|
2126 case WM_WINDOWPOSCHANGING:
|
|
|
2127 {
|
|
|
2128 WINDOWPOS *wp = (LPWINDOWPOS) lParam;
|
|
|
2129 WINDOWPLACEMENT wpl = { sizeof(WINDOWPLACEMENT) };
|
|
|
2130 GetWindowPlacement(hwnd, &wpl);
|
|
|
2131
|
|
|
2132 /* Only interested if size is changing and we're not being iconified */
|
|
|
2133 if (wpl.showCmd != SW_SHOWMINIMIZED
|
|
|
2134 && wpl.showCmd != SW_SHOWMAXIMIZED
|
|
|
2135 && !(wp->flags & SWP_NOSIZE))
|
|
|
2136 {
|
|
|
2137 RECT ncsize = { 0, 0, 0, 0 };
|
|
|
2138 int pixwidth, pixheight;
|
|
|
2139 AdjustWindowRectEx (&ncsize, GetWindowLong (hwnd, GWL_STYLE),
|
|
|
2140 GetMenu(hwnd) != NULL,
|
|
|
2141 GetWindowLong (hwnd, GWL_EXSTYLE));
|
|
|
2142
|
|
|
2143 round_size_to_real_char (XFRAME (mswindows_find_frame (hwnd)),
|
|
|
2144 wp->cx - (ncsize.right - ncsize.left),
|
|
|
2145 wp->cy - (ncsize.bottom - ncsize.top),
|
|
|
2146 &pixwidth, &pixheight);
|
|
|
2147
|
|
|
2148 /* Convert client sizes to window sizes */
|
|
|
2149 pixwidth += (ncsize.right - ncsize.left);
|
|
|
2150 pixheight += (ncsize.bottom - ncsize.top);
|
|
|
2151
|
|
|
2152 if (wpl.showCmd != SW_SHOWMAXIMIZED)
|
|
|
2153 {
|
|
|
2154 /* Adjust so that the bottom or right doesn't move if it's
|
|
|
2155 * the top or left that's being changed */
|
|
|
2156 RECT rect;
|
|
|
2157 GetWindowRect (hwnd, &rect);
|
|
|
2158
|
|
|
2159 if (rect.left != wp->x)
|
|
|
2160 wp->x += wp->cx - pixwidth;
|
|
|
2161 if (rect.top != wp->y)
|
|
|
2162 wp->y += wp->cy - pixheight;
|
|
|
2163 }
|
|
|
2164
|
|
|
2165 wp->cx = pixwidth;
|
|
|
2166 wp->cy = pixheight;
|
|
|
2167 }
|
|
|
2168 /* DefWindowProc sends useful WM_GETMINMAXINFO message, and adjusts
|
|
|
2169 window position if the user tries to track window too small */
|
|
|
2170 }
|
|
|
2171 goto defproc;
|
|
|
2172
|
|
|
2173 case WM_ENTERSIZEMOVE:
|
|
|
2174 msframe = FRAME_MSWINDOWS_DATA (XFRAME (mswindows_find_frame (hwnd)));
|
|
|
2175 msframe->sizing = 1;
|
|
|
2176 return 0;
|
|
|
2177
|
|
|
2178 case WM_EXITSIZEMOVE:
|
|
|
2179 msframe = FRAME_MSWINDOWS_DATA (XFRAME (mswindows_find_frame (hwnd)));
|
|
|
2180 msframe->sizing = 0;
|
|
|
2181 /* Queue noop event */
|
|
|
2182 mswindows_enqueue_magic_event (NULL, XM_BUMPQUEUE);
|
|
|
2183 return 0;
|
|
|
2184
|
|
|
2185 #ifdef HAVE_SCROLLBARS
|
|
|
2186 case WM_VSCROLL:
|
|
|
2187 case WM_HSCROLL:
|
|
|
2188 {
|
|
|
2189 /* Direction of scroll is determined by scrollbar instance. */
|
|
|
2190 int code = (int) LOWORD(wParam);
|
|
|
2191 int pos = (short int) HIWORD(wParam);
|
|
|
2192 HWND hwndScrollBar = (HWND) lParam;
|
|
|
2193 struct gcpro gcpro1, gcpro2;
|
|
|
2194
|
|
|
2195 mswindows_handle_scrollbar_event (hwndScrollBar, code, pos);
|
|
|
2196 GCPRO2 (emacs_event, fobj);
|
|
|
2197 if (UNBOUNDP(mswindows_pump_outstanding_events())) /* Can GC */
|
|
|
2198 {
|
|
|
2199 /* Error during event pumping - cancel scroll */
|
|
|
2200 SendMessage (hwndScrollBar, WM_CANCELMODE, 0, 0);
|
|
|
2201 }
|
|
|
2202 UNGCPRO;
|
|
|
2203 break;
|
|
|
2204 }
|
|
|
2205
|
|
|
2206 case WM_MOUSEWHEEL:
|
|
|
2207 {
|
|
|
2208 int keys = LOWORD (wParam); /* Modifier key flags */
|
|
|
2209 int delta = (short) HIWORD (wParam); /* Wheel rotation amount */
|
|
|
2210 struct gcpro gcpro1, gcpro2;
|
|
|
2211
|
|
|
2212 if (mswindows_handle_mousewheel_event (mswindows_find_frame (hwnd), keys, delta))
|
|
|
2213 {
|
|
|
2214 GCPRO2 (emacs_event, fobj);
|
|
|
2215 mswindows_pump_outstanding_events (); /* Can GC */
|
|
|
2216 UNGCPRO;
|
|
|
2217 }
|
|
|
2218 else
|
|
|
2219 goto defproc;
|
|
|
2220 break;
|
|
|
2221 }
|
|
|
2222 #endif
|
|
|
2223
|
|
|
2224 #ifdef HAVE_MENUBARS
|
|
|
2225 case WM_INITMENU:
|
|
|
2226 if (UNBOUNDP (mswindows_handle_wm_initmenu (
|
|
|
2227 (HMENU) wParam,
|
|
|
2228 XFRAME (mswindows_find_frame (hwnd)))))
|
|
|
2229 SendMessage (hwnd, WM_CANCELMODE, 0, 0);
|
|
|
2230 break;
|
|
|
2231
|
|
|
2232 case WM_INITMENUPOPUP:
|
|
|
2233 if (!HIWORD(lParam))
|
|
|
2234 {
|
|
|
2235 if (UNBOUNDP (mswindows_handle_wm_initmenupopup (
|
|
|
2236 (HMENU) wParam,
|
|
|
2237 XFRAME (mswindows_find_frame (hwnd)))))
|
|
|
2238 SendMessage (hwnd, WM_CANCELMODE, 0, 0);
|
|
|
2239 }
|
|
|
2240 break;
|
|
|
2241
|
|
|
2242 #endif /* HAVE_MENUBARS */
|
|
|
2243
|
|
|
2244 case WM_COMMAND:
|
|
|
2245 {
|
|
|
2246 WORD id = LOWORD (wParam);
|
|
|
2247 WORD nid = HIWORD (wParam);
|
|
|
2248 HWND cid = (HWND)lParam;
|
|
|
2249 frame = XFRAME (mswindows_find_frame (hwnd));
|
|
|
2250
|
|
|
2251 #ifdef HAVE_TOOLBARS
|
|
|
2252 if (!NILP (mswindows_handle_toolbar_wm_command (frame, cid, id)))
|
|
|
2253 break;
|
|
|
2254 #endif
|
|
|
2255 /* widgets in a buffer only eval a callback for suitable events.*/
|
|
|
2256 switch (nid)
|
|
|
2257 {
|
|
|
2258 case BN_CLICKED:
|
|
|
2259 case EN_CHANGE:
|
|
|
2260 case CBN_EDITCHANGE:
|
|
|
2261 case CBN_SELCHANGE:
|
|
|
2262 if (!NILP (mswindows_handle_gui_wm_command (frame, cid, id)))
|
|
|
2263 return 0;
|
|
|
2264 }
|
|
|
2265 /* menubars always must come last since the hashtables do not
|
|
|
2266 always exist*/
|
|
|
2267 #ifdef HAVE_MENUBARS
|
|
|
2268 if (!NILP (mswindows_handle_wm_command (frame, id)))
|
|
|
2269 break;
|
|
|
2270 #endif
|
|
|
2271
|
|
|
2272 return DefWindowProc (hwnd, message, wParam, lParam);
|
|
|
2273 /* Bite me - a spurious command. This used to not be able to
|
|
|
2274 happen but with the introduction of widgets its now
|
|
|
2275 possible. */
|
|
|
2276 }
|
|
|
2277 break;
|
|
|
2278
|
|
|
2279 case WM_CTLCOLORBTN:
|
|
|
2280 case WM_CTLCOLORLISTBOX:
|
|
|
2281 case WM_CTLCOLOREDIT:
|
|
|
2282 case WM_CTLCOLORSTATIC:
|
|
|
2283 case WM_CTLCOLORSCROLLBAR:
|
|
|
2284 {
|
|
|
2285 /* if we get an opportunity to paint a widget then do so if
|
|
|
2286 there is an appropriate face */
|
|
|
2287 HWND crtlwnd = (HWND)lParam;
|
|
|
2288 LONG ii = GetWindowLong (crtlwnd, GWL_USERDATA);
|
|
|
2289 if (ii)
|
|
|
2290 {
|
|
|
2291 Lisp_Object image_instance;
|
|
|
2292 VOID_TO_LISP (image_instance, ii);
|
|
|
2293 if (IMAGE_INSTANCEP (image_instance)
|
|
|
2294 &&
|
|
438
|
2295 IMAGE_INSTANCE_TYPE_P (image_instance, IMAGE_WIDGET))
|
|
428
|
2296 {
|
|
|
2297 /* set colors for the buttons */
|
|
|
2298 HDC hdc = (HDC)wParam;
|
|
|
2299 if (last_widget_brushed != ii)
|
|
|
2300 {
|
|
|
2301 if (widget_brush)
|
|
|
2302 DeleteObject (widget_brush);
|
|
|
2303 widget_brush = CreateSolidBrush
|
|
|
2304 (COLOR_INSTANCE_MSWINDOWS_COLOR
|
|
|
2305 (XCOLOR_INSTANCE
|
|
|
2306 (FACE_BACKGROUND
|
|
|
2307 (XIMAGE_INSTANCE_WIDGET_FACE (image_instance),
|
|
|
2308 XIMAGE_INSTANCE_SUBWINDOW_FRAME (image_instance)))));
|
|
|
2309 }
|
|
|
2310 last_widget_brushed = ii;
|
|
|
2311 SetTextColor
|
|
|
2312 (hdc,
|
|
|
2313 COLOR_INSTANCE_MSWINDOWS_COLOR
|
|
|
2314 (XCOLOR_INSTANCE
|
|
|
2315 (FACE_FOREGROUND
|
|
|
2316 (XIMAGE_INSTANCE_WIDGET_FACE (image_instance),
|
|
|
2317 XIMAGE_INSTANCE_SUBWINDOW_FRAME (image_instance)))));
|
|
|
2318 SetBkMode (hdc, OPAQUE);
|
|
|
2319 SetBkColor
|
|
|
2320 (hdc,
|
|
|
2321 COLOR_INSTANCE_MSWINDOWS_COLOR
|
|
|
2322 (XCOLOR_INSTANCE
|
|
|
2323 (FACE_BACKGROUND
|
|
|
2324 (XIMAGE_INSTANCE_WIDGET_FACE (image_instance),
|
|
|
2325 XIMAGE_INSTANCE_SUBWINDOW_FRAME (image_instance)))));
|
|
|
2326 return (LRESULT)widget_brush;
|
|
|
2327 }
|
|
|
2328 }
|
|
|
2329 }
|
|
|
2330 goto defproc;
|
|
|
2331
|
|
|
2332 #ifdef HAVE_DRAGNDROP
|
|
|
2333 case WM_DROPFILES: /* implementation ripped-off from event-Xt.c */
|
|
|
2334 {
|
|
|
2335 UINT filecount, i, len;
|
|
|
2336 POINT point;
|
|
|
2337 char* filename;
|
|
|
2338 #ifdef __CYGWIN32__
|
|
|
2339 char* fname;
|
|
|
2340 #endif
|
|
|
2341 Lisp_Object l_dndlist = Qnil, l_item = Qnil;
|
|
|
2342 struct gcpro gcpro1, gcpro2, gcpro3;
|
|
|
2343
|
|
|
2344 emacs_event = Fmake_event (Qnil, Qnil);
|
|
|
2345 event = XEVENT(emacs_event);
|
|
|
2346
|
|
|
2347 GCPRO3 (emacs_event, l_dndlist, l_item);
|
|
|
2348
|
|
|
2349 if (!DragQueryPoint ((HANDLE) wParam, &point))
|
|
|
2350 point.x = point.y = -1; /* outside client area */
|
|
|
2351
|
|
|
2352 event->event_type = misc_user_event;
|
|
|
2353 event->channel = mswindows_find_frame(hwnd);
|
|
|
2354 event->timestamp = GetMessageTime();
|
|
|
2355 event->event.misc.button = 1; /* #### Should try harder */
|
|
|
2356 event->event.misc.modifiers = mswindows_modifier_state (NULL, 0);
|
|
|
2357 event->event.misc.x = point.x;
|
|
|
2358 event->event.misc.y = point.y;
|
|
|
2359 event->event.misc.function = Qdragdrop_drop_dispatch;
|
|
|
2360
|
|
|
2361 filecount = DragQueryFile ((HANDLE) wParam, 0xffffffff, NULL, 0);
|
|
|
2362 for (i=0; i<filecount; i++)
|
|
|
2363 {
|
|
|
2364 len = DragQueryFile ((HANDLE) wParam, i, NULL, 0);
|
|
|
2365 /* The URLs that we make here aren't correct according to section
|
|
|
2366 * 3.10 of rfc1738 because they're missing the //<host>/ part and
|
|
|
2367 * because they may contain reserved characters. But that's OK. */
|
|
|
2368 #ifdef __CYGWIN32__
|
|
|
2369 fname = (char *)xmalloc (len+1);
|
|
|
2370 DragQueryFile ((HANDLE) wParam, i, fname, len+1);
|
|
|
2371 filename = xmalloc (cygwin32_win32_to_posix_path_list_buf_size (fname) + 5);
|
|
|
2372 strcpy (filename, "file:");
|
|
|
2373 cygwin32_win32_to_posix_path_list (fname, filename+5);
|
|
|
2374 xfree (fname);
|
|
|
2375 #else
|
|
|
2376 filename = (char *)xmalloc (len+6);
|
|
|
2377 strcpy (filename, "file:");
|
|
|
2378 DragQueryFile ((HANDLE) wParam, i, filename+5, len+1);
|
|
|
2379 dostounix_filename (filename+5);
|
|
|
2380 #endif
|
|
|
2381 l_item = make_string (filename, strlen (filename));
|
|
|
2382 l_dndlist = Fcons (l_item, l_dndlist);
|
|
|
2383 xfree (filename);
|
|
|
2384 }
|
|
|
2385 DragFinish ((HANDLE) wParam);
|
|
|
2386
|
|
|
2387 event->event.misc.object = Fcons (Qdragdrop_URL, l_dndlist);
|
|
|
2388 mswindows_enqueue_dispatch_event (emacs_event);
|
|
|
2389 UNGCPRO;
|
|
|
2390 }
|
|
|
2391 break;
|
|
|
2392 #endif
|
|
|
2393
|
|
|
2394 defproc:
|
|
|
2395 default:
|
|
|
2396 return DefWindowProc (hwnd, message, wParam, lParam);
|
|
|
2397 }
|
|
|
2398 return (0);
|
|
|
2399 }
|
|
|
2400
|
|
|
2401
|
|
|
2402 /************************************************************************/
|
|
|
2403 /* keyboard, mouse & other helpers for the windows procedure */
|
|
|
2404 /************************************************************************/
|
|
|
2405 static void
|
|
|
2406 mswindows_set_chord_timer (HWND hwnd)
|
|
|
2407 {
|
|
|
2408 int interval;
|
|
|
2409
|
|
|
2410 /* We get one third half system double click threshold */
|
|
|
2411 if (mswindows_mouse_button_tolerance <= 0)
|
|
|
2412 interval = GetDoubleClickTime () / 3;
|
|
|
2413 else
|
|
|
2414 interval = mswindows_mouse_button_tolerance;
|
|
|
2415
|
|
|
2416 SetTimer (hwnd, BUTTON_2_TIMER_ID, interval, 0);
|
|
|
2417 }
|
|
|
2418
|
|
|
2419 static int
|
|
|
2420 mswindows_button2_near_enough (POINTS p1, POINTS p2)
|
|
|
2421 {
|
|
|
2422 int dx, dy;
|
|
|
2423 if (mswindows_mouse_button_max_skew_x <= 0)
|
|
|
2424 dx = GetSystemMetrics (SM_CXDOUBLECLK) / 2;
|
|
|
2425 else
|
|
|
2426 dx = mswindows_mouse_button_max_skew_x;
|
|
|
2427
|
|
|
2428 if (mswindows_mouse_button_max_skew_y <= 0)
|
|
|
2429 dy = GetSystemMetrics (SM_CYDOUBLECLK) / 2;
|
|
|
2430 else
|
|
|
2431 dy = mswindows_mouse_button_max_skew_y;
|
|
|
2432
|
|
|
2433 return abs (p1.x - p2.x) < dx && abs (p1.y- p2.y)< dy;
|
|
|
2434 }
|
|
|
2435
|
|
|
2436 static int
|
|
|
2437 mswindows_current_layout_has_AltGr (void)
|
|
|
2438 {
|
|
|
2439 /* This simple caching mechanism saves 10% of CPU
|
|
|
2440 time when a key typed at autorepeat rate of 30 cps! */
|
|
|
2441 static HKL last_hkl = 0;
|
|
|
2442 static int last_hkl_has_AltGr;
|
|
|
2443
|
|
|
2444 HKL current_hkl = GetKeyboardLayout (0);
|
|
|
2445 if (current_hkl != last_hkl)
|
|
|
2446 {
|
|
|
2447 TCHAR c;
|
|
|
2448 last_hkl_has_AltGr = 0;
|
|
|
2449 /* In this loop, we query whether a character requires
|
|
|
2450 AltGr to be down to generate it. If at least such one
|
|
|
2451 found, this means that the layout does regard AltGr */
|
|
|
2452 for (c = ' '; c <= 0xFFU && c != 0 && !last_hkl_has_AltGr; ++c)
|
|
|
2453 if (HIBYTE (VkKeyScan (c)) == 6)
|
|
|
2454 last_hkl_has_AltGr = 1;
|
|
|
2455 last_hkl = current_hkl;
|
|
|
2456 }
|
|
|
2457 return last_hkl_has_AltGr;
|
|
|
2458 }
|
|
|
2459
|
|
|
2460
|
|
|
2461 /* Returns the state of the modifier keys in the format expected by the
|
|
|
2462 * Lisp_Event key_data, button_data and motion_data modifiers member */
|
|
|
2463 int mswindows_modifier_state (BYTE* keymap, int has_AltGr)
|
|
|
2464 {
|
|
|
2465 int mods = 0;
|
|
|
2466
|
|
|
2467 if (keymap == NULL)
|
|
|
2468 {
|
|
|
2469 keymap = (BYTE*) alloca(256);
|
|
|
2470 GetKeyboardState (keymap);
|
|
|
2471 has_AltGr = mswindows_current_layout_has_AltGr ();
|
|
|
2472 }
|
|
|
2473
|
|
|
2474 if (has_AltGr && (keymap [VK_LCONTROL] & 0x80) && (keymap [VK_RMENU] & 0x80))
|
|
|
2475 {
|
|
|
2476 mods |= (keymap [VK_LMENU] & 0x80) ? MOD_META : 0;
|
|
|
2477 mods |= (keymap [VK_RCONTROL] & 0x80) ? MOD_CONTROL : 0;
|
|
|
2478 }
|
|
|
2479 else
|
|
|
2480 {
|
|
|
2481 mods |= (keymap [VK_MENU] & 0x80) ? MOD_META : 0;
|
|
|
2482 mods |= (keymap [VK_CONTROL] & 0x80) ? MOD_CONTROL : 0;
|
|
|
2483 }
|
|
|
2484
|
|
|
2485 mods |= (keymap [VK_SHIFT] & 0x80) ? MOD_SHIFT : 0;
|
|
|
2486
|
|
|
2487 return mods;
|
|
|
2488 }
|
|
|
2489
|
|
|
2490 /*
|
|
|
2491 * Translate a mswindows virtual key to a keysym.
|
|
|
2492 * Only returns non-Qnil for keys that don't generate WM_CHAR messages
|
|
|
2493 * or whose ASCII codes (like space) xemacs doesn't like.
|
|
|
2494 * Virtual key values are defined in winresrc.h
|
|
|
2495 */
|
|
|
2496 Lisp_Object mswindows_key_to_emacs_keysym (int mswindows_key, int mods,
|
|
|
2497 int extendedp)
|
|
|
2498 {
|
|
|
2499 if (extendedp) /* Keys not present on a 82 key keyboard */
|
|
|
2500 {
|
|
|
2501 switch (mswindows_key)
|
|
|
2502 {
|
|
|
2503 case VK_RETURN: return KEYSYM ("kp-enter");
|
|
|
2504 case VK_PRIOR: return KEYSYM ("prior");
|
|
|
2505 case VK_NEXT: return KEYSYM ("next");
|
|
|
2506 case VK_END: return KEYSYM ("end");
|
|
|
2507 case VK_HOME: return KEYSYM ("home");
|
|
|
2508 case VK_LEFT: return KEYSYM ("left");
|
|
|
2509 case VK_UP: return KEYSYM ("up");
|
|
|
2510 case VK_RIGHT: return KEYSYM ("right");
|
|
|
2511 case VK_DOWN: return KEYSYM ("down");
|
|
|
2512 case VK_INSERT: return KEYSYM ("insert");
|
|
|
2513 case VK_DELETE: return QKdelete;
|
|
|
2514 }
|
|
|
2515 }
|
|
|
2516 else
|
|
|
2517 {
|
|
|
2518 switch (mswindows_key)
|
|
|
2519 {
|
|
|
2520 case VK_BACK: return QKbackspace;
|
|
|
2521 case VK_TAB: return QKtab;
|
|
|
2522 case '\n': return QKlinefeed;
|
|
|
2523 case VK_CLEAR: return KEYSYM ("clear");
|
|
|
2524 case VK_RETURN: return QKreturn;
|
|
|
2525 case VK_ESCAPE: return QKescape;
|
|
|
2526 case VK_SPACE: return QKspace;
|
|
|
2527 case VK_PRIOR: return KEYSYM ("kp-prior");
|
|
|
2528 case VK_NEXT: return KEYSYM ("kp-next");
|
|
|
2529 case VK_END: return KEYSYM ("kp-end");
|
|
|
2530 case VK_HOME: return KEYSYM ("kp-home");
|
|
|
2531 case VK_LEFT: return KEYSYM ("kp-left");
|
|
|
2532 case VK_UP: return KEYSYM ("kp-up");
|
|
|
2533 case VK_RIGHT: return KEYSYM ("kp-right");
|
|
|
2534 case VK_DOWN: return KEYSYM ("kp-down");
|
|
|
2535 case VK_SELECT: return KEYSYM ("select");
|
|
|
2536 case VK_PRINT: return KEYSYM ("print");
|
|
|
2537 case VK_EXECUTE: return KEYSYM ("execute");
|
|
|
2538 case VK_SNAPSHOT: return KEYSYM ("print");
|
|
|
2539 case VK_INSERT: return KEYSYM ("kp-insert");
|
|
|
2540 case VK_DELETE: return KEYSYM ("kp-delete");
|
|
|
2541 case VK_HELP: return KEYSYM ("help");
|
|
|
2542 #if 0 /* FSF Emacs allows these to return configurable syms/mods */
|
|
|
2543 case VK_LWIN return KEYSYM ("");
|
|
|
2544 case VK_RWIN return KEYSYM ("");
|
|
|
2545 #endif
|
|
|
2546 case VK_APPS: return KEYSYM ("menu");
|
|
|
2547 case VK_NUMPAD0: return KEYSYM ("kp-0");
|
|
|
2548 case VK_NUMPAD1: return KEYSYM ("kp-1");
|
|
|
2549 case VK_NUMPAD2: return KEYSYM ("kp-2");
|
|
|
2550 case VK_NUMPAD3: return KEYSYM ("kp-3");
|
|
|
2551 case VK_NUMPAD4: return KEYSYM ("kp-4");
|
|
|
2552 case VK_NUMPAD5: return KEYSYM ("kp-5");
|
|
|
2553 case VK_NUMPAD6: return KEYSYM ("kp-6");
|
|
|
2554 case VK_NUMPAD7: return KEYSYM ("kp-7");
|
|
|
2555 case VK_NUMPAD8: return KEYSYM ("kp-8");
|
|
|
2556 case VK_NUMPAD9: return KEYSYM ("kp-9");
|
|
|
2557 case VK_MULTIPLY: return KEYSYM ("kp-multiply");
|
|
|
2558 case VK_ADD: return KEYSYM ("kp-add");
|
|
|
2559 case VK_SEPARATOR: return KEYSYM ("kp-separator");
|
|
|
2560 case VK_SUBTRACT: return KEYSYM ("kp-subtract");
|
|
|
2561 case VK_DECIMAL: return KEYSYM ("kp-decimal");
|
|
|
2562 case VK_DIVIDE: return KEYSYM ("kp-divide");
|
|
|
2563 case VK_F1: return KEYSYM ("f1");
|
|
|
2564 case VK_F2: return KEYSYM ("f2");
|
|
|
2565 case VK_F3: return KEYSYM ("f3");
|
|
|
2566 case VK_F4: return KEYSYM ("f4");
|
|
|
2567 case VK_F5: return KEYSYM ("f5");
|
|
|
2568 case VK_F6: return KEYSYM ("f6");
|
|
|
2569 case VK_F7: return KEYSYM ("f7");
|
|
|
2570 case VK_F8: return KEYSYM ("f8");
|
|
|
2571 case VK_F9: return KEYSYM ("f9");
|
|
|
2572 case VK_F10: return KEYSYM ("f10");
|
|
|
2573 case VK_F11: return KEYSYM ("f11");
|
|
|
2574 case VK_F12: return KEYSYM ("f12");
|
|
|
2575 case VK_F13: return KEYSYM ("f13");
|
|
|
2576 case VK_F14: return KEYSYM ("f14");
|
|
|
2577 case VK_F15: return KEYSYM ("f15");
|
|
|
2578 case VK_F16: return KEYSYM ("f16");
|
|
|
2579 case VK_F17: return KEYSYM ("f17");
|
|
|
2580 case VK_F18: return KEYSYM ("f18");
|
|
|
2581 case VK_F19: return KEYSYM ("f19");
|
|
|
2582 case VK_F20: return KEYSYM ("f20");
|
|
|
2583 case VK_F21: return KEYSYM ("f21");
|
|
|
2584 case VK_F22: return KEYSYM ("f22");
|
|
|
2585 case VK_F23: return KEYSYM ("f23");
|
|
|
2586 case VK_F24: return KEYSYM ("f24");
|
|
|
2587 }
|
|
|
2588 }
|
|
|
2589 return Qnil;
|
|
|
2590 }
|
|
|
2591
|
|
|
2592 /*
|
|
|
2593 * Find the console that matches the supplied mswindows window handle
|
|
|
2594 */
|
|
|
2595 Lisp_Object
|
|
|
2596 mswindows_find_console (HWND hwnd)
|
|
|
2597 {
|
|
|
2598 /* We only support one console */
|
|
|
2599 return XCAR (Vconsole_list);
|
|
|
2600 }
|
|
|
2601
|
|
|
2602 /*
|
|
|
2603 * Find the frame that matches the supplied mswindows window handle
|
|
|
2604 */
|
|
|
2605 static Lisp_Object
|
|
|
2606 mswindows_find_frame (HWND hwnd)
|
|
|
2607 {
|
|
|
2608 LONG l = GetWindowLong (hwnd, XWL_FRAMEOBJ);
|
|
|
2609 Lisp_Object f;
|
|
|
2610 if (l == 0)
|
|
|
2611 {
|
|
|
2612 /* We are in progress of frame creation. Return the frame
|
|
|
2613 being created, as it still not remembered in the window
|
|
|
2614 extra storage. */
|
|
|
2615 assert (!NILP (Vmswindows_frame_being_created));
|
|
|
2616 return Vmswindows_frame_being_created;
|
|
|
2617 }
|
|
|
2618 VOID_TO_LISP (f, l);
|
|
|
2619 return f;
|
|
|
2620 }
|
|
|
2621
|
|
|
2622
|
|
|
2623 /************************************************************************/
|
|
|
2624 /* methods */
|
|
|
2625 /************************************************************************/
|
|
|
2626
|
|
|
2627 static int
|
|
|
2628 emacs_mswindows_add_timeout (EMACS_TIME thyme)
|
|
|
2629 {
|
|
|
2630 int milliseconds;
|
|
|
2631 EMACS_TIME current_time;
|
|
|
2632 EMACS_GET_TIME (current_time);
|
|
|
2633 EMACS_SUB_TIME (thyme, thyme, current_time);
|
|
|
2634 milliseconds = EMACS_SECS (thyme) * 1000 +
|
|
|
2635 (EMACS_USECS (thyme) + 500) / 1000;
|
|
|
2636 if (milliseconds < 1)
|
|
|
2637 milliseconds = 1;
|
|
|
2638 ++mswindows_pending_timers_count;
|
|
|
2639 return SetTimer (NULL, 0, milliseconds,
|
|
|
2640 (TIMERPROC) mswindows_wm_timer_callback);
|
|
|
2641 }
|
|
|
2642
|
|
|
2643 static void
|
|
|
2644 emacs_mswindows_remove_timeout (int id)
|
|
|
2645 {
|
|
440
|
2646 Lisp_Event match_against;
|
|
428
|
2647 Lisp_Object emacs_event;
|
|
|
2648
|
|
|
2649 if (KillTimer (NULL, id))
|
|
|
2650 --mswindows_pending_timers_count;
|
|
|
2651
|
|
|
2652 /* If there is a dispatch event generated by this
|
|
|
2653 timeout in the queue, we have to remove it too. */
|
|
|
2654 match_against.event_type = timeout_event;
|
|
|
2655 match_against.event.timeout.interval_id = id;
|
|
|
2656 emacs_event = mswindows_cancel_dispatch_event (&match_against);
|
|
|
2657 if (!NILP (emacs_event))
|
|
|
2658 Fdeallocate_event(emacs_event);
|
|
|
2659 }
|
|
|
2660
|
|
|
2661 /* If `user_p' is false, then return whether there are any win32, timeout,
|
|
|
2662 * or subprocess events pending (that is, whether
|
|
|
2663 * emacs_mswindows_next_event() would return immediately without blocking).
|
|
|
2664 *
|
|
|
2665 * if `user_p' is true, then return whether there are any *user generated*
|
|
|
2666 * events available (that is, whether there are keyboard or mouse-click
|
|
|
2667 * events ready to be read). This also implies that
|
|
|
2668 * emacs_mswindows_next_event() would not block.
|
|
|
2669 */
|
|
|
2670 static int
|
|
|
2671 emacs_mswindows_event_pending_p (int user_p)
|
|
|
2672 {
|
|
|
2673 mswindows_need_event (0);
|
|
|
2674 return (!NILP (mswindows_u_dispatch_event_queue)
|
|
|
2675 || (!user_p && !NILP (mswindows_s_dispatch_event_queue)));
|
|
|
2676 }
|
|
|
2677
|
|
|
2678 /*
|
|
|
2679 * Return the next event
|
|
|
2680 */
|
|
|
2681 static void
|
|
440
|
2682 emacs_mswindows_next_event (Lisp_Event *emacs_event)
|
|
428
|
2683 {
|
|
|
2684 Lisp_Object event, event2;
|
|
|
2685
|
|
|
2686 mswindows_need_event (1);
|
|
|
2687
|
|
|
2688 event = mswindows_dequeue_dispatch_event ();
|
|
|
2689 XSETEVENT (event2, emacs_event);
|
|
|
2690 Fcopy_event (event, event2);
|
|
|
2691 Fdeallocate_event (event);
|
|
|
2692 }
|
|
|
2693
|
|
|
2694 /*
|
|
|
2695 * Handle a magic event off the dispatch queue.
|
|
|
2696 */
|
|
|
2697 static void
|
|
440
|
2698 emacs_mswindows_handle_magic_event (Lisp_Event *emacs_event)
|
|
428
|
2699 {
|
|
|
2700 switch (EVENT_MSWINDOWS_MAGIC_TYPE(emacs_event))
|
|
|
2701 {
|
|
|
2702 case XM_BUMPQUEUE:
|
|
|
2703 break;
|
|
|
2704
|
|
|
2705 case WM_SETFOCUS:
|
|
|
2706 case WM_KILLFOCUS:
|
|
|
2707 {
|
|
|
2708 Lisp_Object frame = EVENT_CHANNEL (emacs_event);
|
|
|
2709 struct frame *f = XFRAME (frame);
|
|
|
2710 int in_p = (EVENT_MSWINDOWS_MAGIC_TYPE(emacs_event) == WM_SETFOCUS);
|
|
|
2711 Lisp_Object conser;
|
|
|
2712
|
|
|
2713 /* struct gcpro gcpro1; */
|
|
|
2714
|
|
|
2715 /* Clear sticky modifiers here (if we had any) */
|
|
|
2716
|
|
|
2717 conser = Fcons (frame, Fcons (FRAME_DEVICE (f), in_p ? Qt : Qnil));
|
|
|
2718 /* GCPRO1 (conser); XXX Not necessary? */
|
|
|
2719 emacs_handle_focus_change_preliminary (conser);
|
|
|
2720 /* Under X the stuff up to here is done in the X event handler.
|
|
|
2721 I Don't know why */
|
|
|
2722 emacs_handle_focus_change_final (conser);
|
|
|
2723 /* UNGCPRO; */
|
|
|
2724
|
|
|
2725 }
|
|
|
2726 break;
|
|
|
2727
|
|
|
2728 case XM_MAPFRAME:
|
|
|
2729 case XM_UNMAPFRAME:
|
|
|
2730 {
|
|
|
2731 Lisp_Object frame = EVENT_CHANNEL (emacs_event);
|
|
|
2732 va_run_hook_with_args (EVENT_MSWINDOWS_MAGIC_TYPE(emacs_event)
|
|
|
2733 == XM_MAPFRAME ?
|
|
|
2734 Qmap_frame_hook : Qunmap_frame_hook,
|
|
|
2735 1, frame);
|
|
|
2736 }
|
|
|
2737 break;
|
|
|
2738
|
|
|
2739 /* #### What about Enter & Leave */
|
|
|
2740 #if 0
|
|
|
2741 va_run_hook_with_args (in_p ? Qmouse_enter_frame_hook :
|
|
|
2742 Qmouse_leave_frame_hook, 1, frame);
|
|
|
2743 #endif
|
|
|
2744
|
|
|
2745 default:
|
|
|
2746 assert(0);
|
|
|
2747 }
|
|
|
2748 }
|
|
|
2749
|
|
|
2750 #ifndef HAVE_MSG_SELECT
|
|
|
2751 static HANDLE
|
|
440
|
2752 get_process_input_waitable (Lisp_Process *process)
|
|
428
|
2753 {
|
|
|
2754 Lisp_Object instr, outstr, p;
|
|
|
2755 XSETPROCESS (p, process);
|
|
|
2756 get_process_streams (process, &instr, &outstr);
|
|
|
2757 assert (!NILP (instr));
|
|
|
2758 #if defined (HAVE_SOCKETS) && !defined(HAVE_MSG_SELECT)
|
|
|
2759 return (network_connection_p (p)
|
|
|
2760 ? get_winsock_stream_waitable (XLSTREAM (instr))
|
|
|
2761 : get_ntpipe_input_stream_waitable (XLSTREAM (instr)));
|
|
|
2762 #else
|
|
|
2763 return get_ntpipe_input_stream_waitable (XLSTREAM (instr));
|
|
|
2764 #endif
|
|
|
2765 }
|
|
|
2766
|
|
|
2767 static void
|
|
440
|
2768 emacs_mswindows_select_process (Lisp_Process *process)
|
|
428
|
2769 {
|
|
|
2770 HANDLE hev = get_process_input_waitable (process);
|
|
|
2771
|
|
|
2772 if (!add_waitable_handle (hev))
|
|
|
2773 error ("Too many active processes");
|
|
|
2774
|
|
|
2775 #ifdef HAVE_WIN32_PROCESSES
|
|
|
2776 {
|
|
|
2777 Lisp_Object p;
|
|
|
2778 XSETPROCESS (p, process);
|
|
|
2779 if (!network_connection_p (p))
|
|
|
2780 {
|
|
|
2781 HANDLE hprocess = get_nt_process_handle (process);
|
|
|
2782 if (!add_waitable_handle (hprocess))
|
|
|
2783 {
|
|
|
2784 remove_waitable_handle (hev);
|
|
|
2785 error ("Too many active processes");
|
|
|
2786 }
|
|
|
2787 }
|
|
|
2788 }
|
|
|
2789 #endif
|
|
|
2790 }
|
|
|
2791
|
|
|
2792 static void
|
|
440
|
2793 emacs_mswindows_unselect_process (Lisp_Process *process)
|
|
428
|
2794 {
|
|
|
2795 /* Process handle is removed in the event loop as soon
|
|
|
2796 as it is signaled, so don't bother here about it */
|
|
|
2797 HANDLE hev = get_process_input_waitable (process);
|
|
|
2798 remove_waitable_handle (hev);
|
|
|
2799 }
|
|
|
2800 #endif /* HAVE_MSG_SELECT */
|
|
|
2801
|
|
|
2802 static void
|
|
|
2803 emacs_mswindows_select_console (struct console *con)
|
|
|
2804 {
|
|
|
2805 #ifdef HAVE_MSG_SELECT
|
|
|
2806 if (CONSOLE_MSWINDOWS_P (con))
|
|
|
2807 return; /* mswindows consoles are automatically selected */
|
|
|
2808
|
|
|
2809 event_stream_unixoid_select_console (con);
|
|
|
2810 #endif
|
|
|
2811 }
|
|
|
2812
|
|
|
2813 static void
|
|
|
2814 emacs_mswindows_unselect_console (struct console *con)
|
|
|
2815 {
|
|
|
2816 #ifdef HAVE_MSG_SELECT
|
|
|
2817 if (CONSOLE_MSWINDOWS_P (con))
|
|
|
2818 return; /* mswindows consoles are automatically selected */
|
|
|
2819
|
|
|
2820 event_stream_unixoid_unselect_console (con);
|
|
|
2821 #endif
|
|
|
2822 }
|
|
|
2823
|
|
|
2824 static void
|
|
|
2825 emacs_mswindows_quit_p (void)
|
|
|
2826 {
|
|
|
2827 /* Quit cannot happen in modal loop: all program
|
|
|
2828 input is dedicated to Windows. */
|
|
|
2829 if (mswindows_in_modal_loop)
|
|
|
2830 return;
|
|
|
2831
|
|
440
|
2832 /* Drain windows queue. This sets up number of quit characters in
|
|
|
2833 the queue */
|
|
|
2834 mswindows_drain_windows_queue (1);
|
|
428
|
2835
|
|
|
2836 if (mswindows_quit_chars_count > 0)
|
|
|
2837 {
|
|
|
2838 /* Yes there's a hidden one... Throw it away */
|
|
440
|
2839 Lisp_Event match_against;
|
|
428
|
2840 Lisp_Object emacs_event;
|
|
440
|
2841 int critical_p = 0;
|
|
428
|
2842
|
|
|
2843 match_against.event_type = key_press_event;
|
|
|
2844 match_against.event.key.modifiers = FAKE_MOD_QUIT;
|
|
|
2845
|
|
440
|
2846 while (mswindows_quit_chars_count-- > 0)
|
|
|
2847 {
|
|
|
2848 emacs_event = mswindows_cancel_dispatch_event (&match_against);
|
|
|
2849 assert (!NILP (emacs_event));
|
|
|
2850
|
|
|
2851 if (XEVENT(emacs_event)->event.key.modifiers & MOD_SHIFT)
|
|
|
2852 critical_p = 1;
|
|
|
2853
|
|
|
2854 Fdeallocate_event(emacs_event);
|
|
|
2855 }
|
|
|
2856
|
|
|
2857 Vquit_flag = critical_p ? Qcritical : Qt;
|
|
428
|
2858 }
|
|
|
2859 }
|
|
|
2860
|
|
|
2861 USID
|
|
|
2862 emacs_mswindows_create_stream_pair (void* inhandle, void* outhandle,
|
|
|
2863 Lisp_Object* instream,
|
|
|
2864 Lisp_Object* outstream,
|
|
|
2865 int flags)
|
|
|
2866 {
|
|
|
2867 /* Handles for streams */
|
|
|
2868 HANDLE hin, hout;
|
|
|
2869 /* fds. These just stored along with the streams, and are closed in
|
|
|
2870 delete stream pair method, because we need to handle fake unices
|
|
|
2871 here. */
|
|
|
2872 int fdi, fdo;
|
|
|
2873
|
|
|
2874 /* Decode inhandle and outhandle. Their meaning depends on
|
|
|
2875 the process implementation being used. */
|
|
|
2876 #if defined (HAVE_WIN32_PROCESSES)
|
|
|
2877 /* We're passed in Windows handles. That's what we like most... */
|
|
|
2878 hin = (HANDLE) inhandle;
|
|
|
2879 hout = (HANDLE) outhandle;
|
|
|
2880 fdi = fdo = -1;
|
|
|
2881 #elif defined (HAVE_UNIX_PROCESSES)
|
|
|
2882 /* We are passed UNIX fds. This must be Cygwin.
|
|
|
2883 Fetch os handles */
|
|
|
2884 hin = inhandle >= 0 ? (HANDLE)get_osfhandle ((int)inhandle) : INVALID_HANDLE_VALUE;
|
|
|
2885 hout = outhandle >= 0 ? (HANDLE)get_osfhandle ((int)outhandle) : INVALID_HANDLE_VALUE;
|
|
|
2886 fdi=(int)inhandle;
|
|
|
2887 fdo=(int)outhandle;
|
|
|
2888 #else
|
|
|
2889 #error "So, WHICH kind of processes do you want?"
|
|
|
2890 #endif
|
|
|
2891
|
|
|
2892 *instream = (hin == INVALID_HANDLE_VALUE
|
|
|
2893 ? Qnil
|
|
|
2894 #if defined (HAVE_SOCKETS) && !defined (HAVE_MSG_SELECT)
|
|
|
2895 : flags & STREAM_NETWORK_CONNECTION
|
|
|
2896 ? make_winsock_input_stream ((SOCKET)hin, fdi)
|
|
|
2897 #endif
|
|
|
2898 : make_ntpipe_input_stream (hin, fdi));
|
|
|
2899
|
|
|
2900 #ifdef HAVE_WIN32_PROCESSES
|
|
|
2901 *outstream = (hout == INVALID_HANDLE_VALUE
|
|
|
2902 ? Qnil
|
|
|
2903 #if defined (HAVE_SOCKETS) && !defined (HAVE_MSG_SELECT)
|
|
|
2904 : flags & STREAM_NETWORK_CONNECTION
|
|
|
2905 ? make_winsock_output_stream ((SOCKET)hout, fdo)
|
|
|
2906 #endif
|
|
|
2907 : make_ntpipe_output_stream (hout, fdo));
|
|
|
2908 #elif defined (HAVE_UNIX_PROCESSES)
|
|
|
2909 *outstream = (fdo >= 0
|
|
|
2910 ? make_filedesc_output_stream (fdo, 0, -1, LSTR_BLOCKED_OK)
|
|
|
2911 : Qnil);
|
|
|
2912
|
|
|
2913 #if defined(HAVE_UNIX_PROCESSES) && defined(HAVE_PTYS)
|
|
|
2914 /* FLAGS is process->pty_flag for UNIX_PROCESSES */
|
|
|
2915 if ((flags & STREAM_PTY_FLUSHING) && fdo >= 0)
|
|
|
2916 {
|
|
|
2917 Bufbyte eof_char = get_eof_char (fdo);
|
|
|
2918 int pty_max_bytes = get_pty_max_bytes (fdo);
|
|
|
2919 filedesc_stream_set_pty_flushing (XLSTREAM(*outstream), pty_max_bytes, eof_char);
|
|
|
2920 }
|
|
|
2921 #endif
|
|
|
2922 #endif
|
|
|
2923
|
|
|
2924 return (NILP (*instream)
|
|
|
2925 ? USID_ERROR
|
|
|
2926 #if defined(HAVE_SOCKETS) && !defined(HAVE_MSG_SELECT)
|
|
|
2927 : flags & STREAM_NETWORK_CONNECTION
|
|
|
2928 ? HANDLE_TO_USID (get_winsock_stream_waitable (XLSTREAM (*instream)))
|
|
|
2929 #endif
|
|
|
2930 : HANDLE_TO_USID (get_ntpipe_input_stream_waitable (XLSTREAM (*instream))));
|
|
|
2931 }
|
|
|
2932
|
|
|
2933 USID
|
|
|
2934 emacs_mswindows_delete_stream_pair (Lisp_Object instream,
|
|
|
2935 Lisp_Object outstream)
|
|
|
2936 {
|
|
|
2937 /* Oh nothing special here for Win32 at all */
|
|
|
2938 #if defined (HAVE_UNIX_PROCESSES)
|
|
|
2939 int in = (NILP(instream)
|
|
|
2940 ? -1
|
|
|
2941 #if defined(HAVE_SOCKETS) && !defined(HAVE_MSG_SELECT)
|
|
|
2942 : LSTREAM_TYPE_P (XLSTREAM (instream), winsock)
|
|
|
2943 ? get_winsock_stream_param (XLSTREAM (instream))
|
|
|
2944 #endif
|
|
|
2945 : get_ntpipe_input_stream_param (XLSTREAM (instream)));
|
|
|
2946 int out = (NILP(outstream) ? -1
|
|
|
2947 : filedesc_stream_fd (XLSTREAM (outstream)));
|
|
|
2948
|
|
|
2949 if (in >= 0)
|
|
|
2950 close (in);
|
|
|
2951 if (out != in && out >= 0)
|
|
|
2952 close (out);
|
|
|
2953 #endif
|
|
|
2954
|
|
|
2955 return (NILP (instream)
|
|
|
2956 ? USID_DONTHASH
|
|
|
2957 #if defined(HAVE_SOCKETS) && !defined(HAVE_MSG_SELECT)
|
|
|
2958 : LSTREAM_TYPE_P (XLSTREAM (instream), winsock)
|
|
|
2959 ? HANDLE_TO_USID (get_winsock_stream_waitable (XLSTREAM (instream)))
|
|
|
2960 #endif
|
|
|
2961 : HANDLE_TO_USID (get_ntpipe_input_stream_waitable (XLSTREAM (instream))));
|
|
|
2962 }
|
|
|
2963
|
|
|
2964 #ifndef HAVE_X_WINDOWS
|
|
|
2965 /* This is called from GC when a process object is about to be freed.
|
|
|
2966 If we've still got pointers to it in this file, we're gonna lose hard.
|
|
|
2967 */
|
|
|
2968 void
|
|
440
|
2969 debug_process_finalization (Lisp_Process *p)
|
|
428
|
2970 {
|
|
|
2971 #if 0 /* #### */
|
|
|
2972 Lisp_Object instr, outstr;
|
|
|
2973
|
|
|
2974 get_process_streams (p, &instr, &outstr);
|
|
|
2975 /* if it still has fds, then it hasn't been killed yet. */
|
|
|
2976 assert (NILP(instr));
|
|
|
2977 assert (NILP(outstr));
|
|
|
2978
|
|
|
2979 /* #### More checks here */
|
|
|
2980 #endif
|
|
|
2981 }
|
|
|
2982 #endif
|
|
|
2983
|
|
|
2984 /************************************************************************/
|
|
|
2985 /* initialization */
|
|
|
2986 /************************************************************************/
|
|
|
2987
|
|
|
2988 void
|
|
|
2989 reinit_vars_of_event_mswindows (void)
|
|
|
2990 {
|
|
|
2991 mswindows_in_modal_loop = 0;
|
|
|
2992 mswindows_pending_timers_count = 0;
|
|
|
2993
|
|
|
2994 mswindows_event_stream = xnew (struct event_stream);
|
|
|
2995
|
|
|
2996 mswindows_event_stream->event_pending_p = emacs_mswindows_event_pending_p;
|
|
|
2997 mswindows_event_stream->next_event_cb = emacs_mswindows_next_event;
|
|
|
2998 mswindows_event_stream->handle_magic_event_cb = emacs_mswindows_handle_magic_event;
|
|
|
2999 mswindows_event_stream->add_timeout_cb = emacs_mswindows_add_timeout;
|
|
|
3000 mswindows_event_stream->remove_timeout_cb = emacs_mswindows_remove_timeout;
|
|
|
3001 mswindows_event_stream->quit_p_cb = emacs_mswindows_quit_p;
|
|
|
3002 mswindows_event_stream->select_console_cb = emacs_mswindows_select_console;
|
|
|
3003 mswindows_event_stream->unselect_console_cb = emacs_mswindows_unselect_console;
|
|
|
3004 #ifdef HAVE_MSG_SELECT
|
|
|
3005 mswindows_event_stream->select_process_cb =
|
|
440
|
3006 (void (*)(Lisp_Process*))event_stream_unixoid_select_process;
|
|
428
|
3007 mswindows_event_stream->unselect_process_cb =
|
|
440
|
3008 (void (*)(Lisp_Process*))event_stream_unixoid_unselect_process;
|
|
428
|
3009 mswindows_event_stream->create_stream_pair_cb = event_stream_unixoid_create_stream_pair;
|
|
|
3010 mswindows_event_stream->delete_stream_pair_cb = event_stream_unixoid_delete_stream_pair;
|
|
|
3011 #else
|
|
|
3012 mswindows_event_stream->select_process_cb = emacs_mswindows_select_process;
|
|
|
3013 mswindows_event_stream->unselect_process_cb = emacs_mswindows_unselect_process;
|
|
|
3014 mswindows_event_stream->create_stream_pair_cb = emacs_mswindows_create_stream_pair;
|
|
|
3015 mswindows_event_stream->delete_stream_pair_cb = emacs_mswindows_delete_stream_pair;
|
|
|
3016 #endif
|
|
|
3017 }
|
|
|
3018
|
|
|
3019 void
|
|
|
3020 vars_of_event_mswindows (void)
|
|
|
3021 {
|
|
|
3022 reinit_vars_of_event_mswindows ();
|
|
|
3023
|
|
|
3024 mswindows_u_dispatch_event_queue = Qnil;
|
|
|
3025 staticpro (&mswindows_u_dispatch_event_queue);
|
|
|
3026 mswindows_u_dispatch_event_queue_tail = Qnil;
|
|
|
3027 pdump_wire (&mswindows_u_dispatch_event_queue_tail);
|
|
|
3028
|
|
|
3029 mswindows_s_dispatch_event_queue = Qnil;
|
|
|
3030 staticpro (&mswindows_s_dispatch_event_queue);
|
|
|
3031 mswindows_s_dispatch_event_queue_tail = Qnil;
|
|
438
|
3032 pdump_wire (&mswindows_s_dispatch_event_queue_tail);
|
|
428
|
3033
|
|
|
3034 mswindows_error_caught_in_modal_loop = Qnil;
|
|
|
3035 staticpro (&mswindows_error_caught_in_modal_loop);
|
|
|
3036
|
|
|
3037 DEFVAR_BOOL ("mswindows-meta-activates-menu", &mswindows_meta_activates_menu /*
|
|
|
3038 *Controls whether pressing and releasing the Meta (Alt) key should
|
|
|
3039 activate the menubar.
|
|
|
3040 Default is t.
|
|
|
3041 */ );
|
|
|
3042
|
|
|
3043 DEFVAR_BOOL ("mswindows-dynamic-frame-resize", &mswindows_dynamic_frame_resize /*
|
|
|
3044 *Controls redrawing frame contents during mouse-drag or keyboard resize
|
|
|
3045 operation. When non-nil, the frame is redrawn while being resized. When
|
|
|
3046 nil, frame is not redrawn, and exposed areas are filled with default
|
|
|
3047 MDI application background color. Note that this option only has effect
|
|
|
3048 if "Show window contents while dragging" is on in system Display/Plus!
|
|
|
3049 settings.
|
|
|
3050 Default is t on fast machines, nil on slow.
|
|
|
3051 */ );
|
|
|
3052
|
|
|
3053 /* The description copied verbatim from nt-emacs. (C) Geoff Voelker */
|
|
|
3054 DEFVAR_INT ("mswindows-mouse-button-tolerance", &mswindows_mouse_button_tolerance /*
|
|
|
3055 *Analogue of double click interval for faking middle mouse events.
|
|
|
3056 The value is the minimum time in milliseconds that must elapse between
|
|
|
3057 left/right button down events before they are considered distinct events.
|
|
|
3058 If both mouse buttons are depressed within this interval, a middle mouse
|
|
|
3059 button down event is generated instead.
|
|
|
3060 If negative or zero, currently set system default is used instead.
|
|
|
3061 */ );
|
|
|
3062
|
|
|
3063 /* The description copied verbatim from nt-emacs. (C) Geoff Voelker */
|
|
|
3064 DEFVAR_INT ("mswindows-num-mouse-buttons", &mswindows_num_mouse_buttons /*
|
|
|
3065 Number of physical mouse buttons.
|
|
|
3066 */ );
|
|
|
3067
|
|
|
3068 DEFVAR_INT ("mswindows-mouse-button-max-skew-x", &mswindows_mouse_button_max_skew_x /*
|
|
|
3069 *Maximum horizontal distance in pixels between points in which left and
|
|
|
3070 right button clicks occurred for them to be translated into single
|
|
|
3071 middle button event. Clicks must occur in time not longer than defined
|
|
|
3072 by the variable `mswindows-mouse-button-tolerance'.
|
|
|
3073 If negative or zero, currently set system default is used instead.
|
|
|
3074 */ );
|
|
|
3075
|
|
|
3076 DEFVAR_INT ("mswindows-mouse-button-max-skew-y", &mswindows_mouse_button_max_skew_y /*
|
|
|
3077 *Maximum vertical distance in pixels between points in which left and
|
|
|
3078 right button clicks occurred for them to be translated into single
|
|
|
3079 middle button event. Clicks must occur in time not longer than defined
|
|
|
3080 by the variable `mswindows-mouse-button-tolerance'.
|
|
|
3081 If negative or zero, currently set system default is used instead.
|
|
|
3082 */ );
|
|
|
3083
|
|
|
3084 mswindows_mouse_button_max_skew_x = 0;
|
|
|
3085 mswindows_mouse_button_max_skew_y = 0;
|
|
|
3086 mswindows_mouse_button_tolerance = 0;
|
|
|
3087 mswindows_meta_activates_menu = 1;
|
|
|
3088 }
|
|
|
3089
|
|
|
3090 void
|
|
|
3091 syms_of_event_mswindows (void)
|
|
|
3092 {
|
|
|
3093 }
|
|
|
3094
|
|
|
3095 void
|
|
|
3096 lstream_type_create_mswindows_selectable (void)
|
|
|
3097 {
|
|
|
3098 init_slurp_stream ();
|
|
|
3099 init_shove_stream ();
|
|
|
3100 #if defined (HAVE_SOCKETS) && !defined(HAVE_MSG_SELECT)
|
|
|
3101 init_winsock_stream ();
|
|
|
3102 #endif
|
|
|
3103 }
|
|
|
3104
|
|
|
3105 void
|
|
|
3106 init_event_mswindows_late (void)
|
|
|
3107 {
|
|
|
3108 #ifdef HAVE_MSG_SELECT
|
|
|
3109 windows_fd = open("/dev/windows", O_RDONLY | O_NONBLOCK, 0);
|
|
|
3110 assert (windows_fd>=0);
|
|
|
3111 FD_SET (windows_fd, &input_wait_mask);
|
|
|
3112 FD_ZERO(&zero_mask);
|
|
|
3113 #endif
|
|
|
3114
|
|
|
3115 event_stream = mswindows_event_stream;
|
|
|
3116
|
|
|
3117 mswindows_dynamic_frame_resize = !GetSystemMetrics (SM_SLOWMACHINE);
|
|
|
3118 mswindows_num_mouse_buttons = GetSystemMetrics (SM_CMOUSEBUTTONS);
|
|
|
3119 }
|
