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213
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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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272
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30 Rewritten for mswindows by Jonathan Harris, November 1997 for 21.0.
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384
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31 Subprocess and modal loop support by Kirill M. Katsnelson.
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213
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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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249
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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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284
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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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213
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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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384
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54 #include "buffer.h"
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55 #include "faces.h"
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274
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56 #include "lstream.h"
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213
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57 #include "process.h"
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227
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58 #include "redisplay.h"
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213
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59 #include "sysproc.h"
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60 #include "syswait.h"
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61 #include "systime.h"
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278
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62 #include "sysdep.h"
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384
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63 #include "objects-msw.h"
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213
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64
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249
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65 #include "events-mod.h"
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278
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66 #ifdef HAVE_MSG_SELECT
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67 #include "sysfile.h"
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284
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68 #elif defined(__CYGWIN32__)
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69 typedef unsigned int SOCKET;
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278
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70 #endif
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276
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71 #include <io.h>
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274
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72 #include <errno.h>
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73
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249
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74 #ifdef HAVE_MENUBARS
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75 #define ADJR_MENUFLAG TRUE
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76 #else
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77 #define ADJR_MENUFLAG FALSE
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78 #endif
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79
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80 /* Fake key modifier which is attached to a quit char event.
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81 Removed upon dequeueing an event */
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82 #define FAKE_MOD_QUIT 0x80
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83
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84 /* Timer ID used for button2 emulation */
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85 #define BUTTON_2_TIMER_ID 1
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86
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278
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87 extern Lisp_Object
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88 mswindows_get_toolbar_button_text (struct frame* f, int command_id);
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89 extern Lisp_Object
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90 mswindows_handle_toolbar_wm_command (struct frame* f, HWND ctrl, WORD id);
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384
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91 extern Lisp_Object
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92 mswindows_handle_gui_wm_command (struct frame* f, HWND ctrl, WORD id);
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249
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93
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94 static Lisp_Object mswindows_find_frame (HWND hwnd);
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95 static Lisp_Object mswindows_find_console (HWND hwnd);
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371
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96 static Lisp_Object mswindows_key_to_emacs_keysym(int mswindows_key, int mods);
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249
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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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213
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102 static struct event_stream *mswindows_event_stream;
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223
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103
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278
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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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373
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107 SELECT_TYPE zero_mask;
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278
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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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223
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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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213
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120
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249
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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 /* List of mswindows waitable handles. */
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274
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125 static HANDLE mswindows_waitable_handles[MAX_WAITABLE];
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126
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384
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127 #ifndef HAVE_MSG_SELECT
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274
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128 /* Number of wait handles */
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129 static int mswindows_waitable_count=0;
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384
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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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213
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134
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223
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135 /* Count of quit chars currently in the queue */
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249
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136 /* Incremented in WM_[SYS]KEYDOWN handler in the mswindows_wnd_proc()
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223
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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_num_mouse_buttons;
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272
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143 int mswindows_mouse_button_max_skew_x;
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144 int mswindows_mouse_button_max_skew_y;
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145 int mswindows_mouse_button_tolerance;
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223
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146
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227
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147 /* This is the event signaled by the event pump.
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148 See mswindows_pump_outstanding_events for comments */
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231
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149 static Lisp_Object mswindows_error_caught_in_modal_loop;
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150 static int mswindows_in_modal_loop;
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227
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151
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152 /* Count of wound timers */
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153 static int mswindows_pending_timers_count;
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274
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154
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155 /************************************************************************/
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156 /* Pipe instream - reads process output */
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157 /************************************************************************/
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158
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159 #define PIPE_READ_DELAY 20
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160
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161 #define HANDLE_TO_USID(h) ((USID)(h))
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162
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163 #define NTPIPE_SLURP_STREAM_DATA(stream) \
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164 LSTREAM_TYPE_DATA (stream, ntpipe_slurp)
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165
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276
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166 /* This structure is allocated by the main thread, and is deallocated
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167 in the thread upon exit. There are situations when a thread
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168 remains blocked for a long time, much longer than the lstream
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380
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169 exists. For example, "start notepad" command is issued from the
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276
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170 shell, then the shell is closed by C-c C-d. Although the shell
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171 process exits, its output pipe will not get closed until the
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172 notepad process exits also, because it inherits the pipe form the
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173 shell. In this case, we abandon the thread, and let it live until
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174 all such processes exit. While struct ntpipe_slurp_stream is
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175 deallocated in this case, ntpipe_slurp_stream_shared_data are not. */
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176
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177 struct ntpipe_slurp_stream_shared_data
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274
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178 {
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179 HANDLE hev_thread; /* Our thread blocks on this, signaled by caller */
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180 /* This is a manual-reset object. */
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181 HANDLE hev_caller; /* Caller blocks on this, and we signal it */
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182 /* This is a manual-reset object. */
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183 HANDLE hev_unsleep; /* Pipe read delay is canceled if this is set */
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184 /* This is a manual-reset object. */
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185 HANDLE hpipe; /* Pipe read end handle. */
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276
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186 LONG die_p; /* Thread must exit ASAP if non-zero */
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274
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187 BOOL eof_p : 1; /* Set when thread saw EOF */
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188 BOOL error_p : 1; /* Read error other than EOF/broken pipe */
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276
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189 BOOL inuse_p : 1; /* this structure is in use */
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190 LONG lock_count; /* Client count of this struct, 0=safe to free */
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191 BYTE onebyte; /* One byte buffer read by thread */
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192 };
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193
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194 #define MAX_SLURP_STREAMS 32
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195 struct ntpipe_slurp_stream_shared_data
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278
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196 shared_data_block[MAX_SLURP_STREAMS]={{0}};
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276
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197
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198 struct ntpipe_slurp_stream
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199 {
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200 LPARAM user_data; /* Any user data stored in the stream object */
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201 struct ntpipe_slurp_stream_shared_data* thread_data;
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274
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202 };
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203
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204 DEFINE_LSTREAM_IMPLEMENTATION ("ntpipe-input", lstream_ntpipe_slurp,
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205 sizeof (struct ntpipe_slurp_stream));
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206
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276
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207 /* This function is thread-safe, and is called from either thread
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380
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208 context. It serializes freeing shared data structure */
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276
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209 static void
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210 slurper_free_shared_data_maybe (struct ntpipe_slurp_stream_shared_data* s)
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211 {
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212 if (InterlockedDecrement (&s->lock_count) == 0)
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213 {
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214 /* Destroy events */
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215 CloseHandle (s->hev_thread);
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216 CloseHandle (s->hev_caller);
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217 CloseHandle (s->hev_unsleep);
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218 s->inuse_p = 0;
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219 }
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220 }
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221
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222 static struct ntpipe_slurp_stream_shared_data*
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223 slurper_allocate_shared_data()
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224 {
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225 int i=0;
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226 for (i=0; i<MAX_SLURP_STREAMS; i++)
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227 {
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228 if (!shared_data_block[i].inuse_p)
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229 {
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230 shared_data_block[i].inuse_p=1;
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231 return &shared_data_block[i];
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232 }
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233 }
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234 return (struct ntpipe_slurp_stream_shared_data*)0;
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235 }
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236
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274
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237 static DWORD WINAPI
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238 slurp_thread (LPVOID vparam)
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239 {
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276
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240 struct ntpipe_slurp_stream_shared_data *s =
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241 (struct ntpipe_slurp_stream_shared_data*)vparam;
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274
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242
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243 for (;;)
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244 {
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245 /* Read one byte from the pipe */
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246 DWORD actually_read;
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247 if (!ReadFile (s->hpipe, &s->onebyte, 1, &actually_read, NULL))
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248 {
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249 DWORD err = GetLastError ();
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250 if (err == ERROR_BROKEN_PIPE || err == ERROR_NO_DATA)
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251 s->eof_p = TRUE;
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252 else
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253 s->error_p = TRUE;
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254 }
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255 else if (actually_read == 0)
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256 s->eof_p = TRUE;
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257
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258 /* We must terminate on an error or eof */
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259 if (s->eof_p || s->error_p)
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260 InterlockedIncrement (&s->die_p);
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261
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262 /* Before we notify caller, we unsignal our event. */
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263 ResetEvent (s->hev_thread);
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264
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265 /* Now we got something to notify caller, either a byte or an
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266 error/eof indication. Before we do, allow internal pipe
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267 buffer to accumulate little bit more data.
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268 Reader function pulses this event before waiting for
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276
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269 a character, to avoid pipe delay, and to get the byte
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274
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270 immediately. */
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271 if (!s->die_p)
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272 WaitForSingleObject (s->hev_unsleep, PIPE_READ_DELAY);
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273
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274 /* Either make event loop generate a process event, or
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275 inblock reader */
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276 SetEvent (s->hev_caller);
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277
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278 /* Cleanup and exit if we're shot off */
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279 if (s->die_p)
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280 break;
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281
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380
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282 /* Block until the client finishes with retrieving the rest of
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274
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283 pipe data */
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284 WaitForSingleObject (s->hev_thread, INFINITE);
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285 }
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286
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276
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287 slurper_free_shared_data_maybe (s);
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288
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274
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289 return 0;
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290 }
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291
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292 static Lisp_Object
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293 make_ntpipe_input_stream (HANDLE hpipe, LPARAM param)
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294 {
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295 Lisp_Object obj;
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296 Lstream *lstr = Lstream_new (lstream_ntpipe_slurp, "r");
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297 struct ntpipe_slurp_stream* s = NTPIPE_SLURP_STREAM_DATA (lstr);
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298 DWORD thread_id_unused;
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276
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299 HANDLE hthread;
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274
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300
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301 /* We deal only with pipes, for we're using PeekNamedPipe api */
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302 assert (GetFileType (hpipe) == FILE_TYPE_PIPE);
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303
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276
|
304 s->thread_data = slurper_allocate_shared_data();
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274
|
305
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276
|
306 /* Create reader thread. This could fail, so do not create events
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307 until thread is created */
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308 hthread = CreateThread (NULL, 0, slurp_thread, (LPVOID)s->thread_data,
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309 CREATE_SUSPENDED, &thread_id_unused);
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310 if (hthread == NULL)
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274
|
311 {
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312 Lstream_delete (lstr);
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276
|
313 s->thread_data->inuse_p=0;
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274
|
314 return Qnil;
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|
|
315 }
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316
|
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276
|
317 /* Shared data are initially owned by both main and slurper
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318 threads. */
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319 s->thread_data->lock_count = 2;
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320 s->thread_data->die_p = 0;
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321 s->thread_data->eof_p = FALSE;
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322 s->thread_data->error_p = FALSE;
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323 s->thread_data->hpipe = hpipe;
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324 s->user_data = param;
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325
|
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274
|
326 /* hev_thread is a manual-reset event, initially signaled */
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276
|
327 s->thread_data->hev_thread = CreateEvent (NULL, TRUE, TRUE, NULL);
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274
|
328 /* hev_caller is a manual-reset event, initially nonsignaled */
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276
|
329 s->thread_data->hev_caller = CreateEvent (NULL, TRUE, FALSE, NULL);
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274
|
330 /* hev_unsleep is a manual-reset event, initially nonsignaled */
|
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276
|
331 s->thread_data->hev_unsleep = CreateEvent (NULL, TRUE, FALSE, NULL);
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274
|
332
|
|
|
333 /* Now let it go */
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|
276
|
334 ResumeThread (hthread);
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|
|
335 CloseHandle (hthread);
|
|
274
|
336
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|
|
337 lstr->flags |= LSTREAM_FL_CLOSE_AT_DISKSAVE;
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|
|
338 XSETLSTREAM (obj, lstr);
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|
339 return obj;
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|
|
340 }
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|
|
341
|
|
|
342 static LPARAM
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|
|
343 get_ntpipe_input_stream_param (Lstream *stream)
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|
|
344 {
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|
|
345 struct ntpipe_slurp_stream* s = NTPIPE_SLURP_STREAM_DATA(stream);
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|
|
346 return s->user_data;
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|
|
347 }
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|
|
348
|
|
|
349 static HANDLE
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|
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350 get_ntpipe_input_stream_waitable (Lstream *stream)
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|
|
351 {
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|
|
352 struct ntpipe_slurp_stream* s = NTPIPE_SLURP_STREAM_DATA(stream);
|
|
276
|
353 return s->thread_data->hev_caller;
|
|
274
|
354 }
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|
|
355
|
|
|
356 static int
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|
|
357 ntpipe_slurp_reader (Lstream *stream, unsigned char *data, size_t size)
|
|
|
358 {
|
|
|
359 /* This function must be called from the main thread only */
|
|
276
|
360 struct ntpipe_slurp_stream_shared_data* s =
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|
|
361 NTPIPE_SLURP_STREAM_DATA(stream)->thread_data;
|
|
274
|
362
|
|
|
363 if (!s->die_p)
|
|
|
364 {
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|
|
365 DWORD wait_result;
|
|
276
|
366 /* Disallow pipe read delay for the thread: we need a character
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|
|
367 ASAP */
|
|
274
|
368 SetEvent (s->hev_unsleep);
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|
|
369
|
|
276
|
370 /* Check if we have a character ready. Give it a short delay,
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|
|
371 for the thread to awake from pipe delay, just ion case*/
|
|
274
|
372 wait_result = WaitForSingleObject (s->hev_caller, 2);
|
|
|
373
|
|
|
374 /* Revert to the normal sleep behavior. */
|
|
|
375 ResetEvent (s->hev_unsleep);
|
|
|
376
|
|
|
377 /* If there's no byte buffered yet, give up */
|
|
|
378 if (wait_result == WAIT_TIMEOUT)
|
|
|
379 {
|
|
|
380 errno = EAGAIN;
|
|
|
381 return -1;
|
|
|
382 }
|
|
|
383 }
|
|
|
384
|
|
|
385 /* Reset caller unlock event now, as we've handled the pending
|
|
|
386 process output event */
|
|
|
387 ResetEvent (s->hev_caller);
|
|
|
388
|
|
|
389 /* It is now safe to do anything with contents of S, except for
|
|
|
390 changing s->die_p, which still should be interlocked */
|
|
|
391
|
|
|
392 if (s->eof_p)
|
|
|
393 return 0;
|
|
|
394 if (s->error_p || s->die_p)
|
|
|
395 return -1;
|
|
|
396
|
|
276
|
397 /* Ok, there were no error neither eof - we've got a byte from the
|
|
|
398 pipe */
|
|
274
|
399 *(data++) = s->onebyte;
|
|
|
400 --size;
|
|
|
401
|
|
276
|
402 {
|
|
|
403 DWORD bytes_read = 0;
|
|
|
404 if (size > 0)
|
|
|
405 {
|
|
|
406 DWORD bytes_available;
|
|
274
|
407
|
|
276
|
408 /* If the api call fails, return at least one byte already
|
|
|
409 read. ReadFile in thread will return error */
|
|
|
410 if (PeekNamedPipe (s->hpipe, NULL, 0, NULL, &bytes_available, NULL))
|
|
|
411 {
|
|
274
|
412
|
|
276
|
413 /* Fetch available bytes. The same consideration applies,
|
|
|
414 so do not check for errors. ReadFile in the thread will
|
|
|
415 fail if the next call fails. */
|
|
|
416 if (bytes_available)
|
|
|
417 ReadFile (s->hpipe, data, min (bytes_available, size),
|
|
|
418 &bytes_read, NULL);
|
|
|
419 }
|
|
|
420
|
|
|
421 /* Now we can unblock thread, so it attempts to read more */
|
|
|
422 SetEvent (s->hev_thread);
|
|
|
423 return bytes_read + 1;
|
|
|
424 }
|
|
|
425 }
|
|
278
|
426 return 0;
|
|
274
|
427 }
|
|
|
428
|
|
|
429 static int
|
|
|
430 ntpipe_slurp_closer (Lstream *stream)
|
|
|
431 {
|
|
|
432 /* This function must be called from the main thread only */
|
|
276
|
433 struct ntpipe_slurp_stream_shared_data* s =
|
|
|
434 NTPIPE_SLURP_STREAM_DATA(stream)->thread_data;
|
|
274
|
435
|
|
|
436 /* Force thread to stop */
|
|
|
437 InterlockedIncrement (&s->die_p);
|
|
|
438
|
|
276
|
439 /* Set events which could possibly block slurper. Let it finish soon
|
|
|
440 or later. */
|
|
274
|
441 SetEvent (s->hev_unsleep);
|
|
|
442 SetEvent (s->hev_thread);
|
|
|
443
|
|
276
|
444 /* Unlock and maybe free shared data */
|
|
|
445 slurper_free_shared_data_maybe (s);
|
|
274
|
446
|
|
|
447 return 0;
|
|
|
448 }
|
|
|
449
|
|
|
450 static void
|
|
|
451 init_slurp_stream (void)
|
|
|
452 {
|
|
|
453 LSTREAM_HAS_METHOD (ntpipe_slurp, reader);
|
|
|
454 LSTREAM_HAS_METHOD (ntpipe_slurp, closer);
|
|
|
455 }
|
|
|
456
|
|
|
457 /************************************************************************/
|
|
|
458 /* Pipe outstream - writes process input */
|
|
|
459 /************************************************************************/
|
|
|
460
|
|
|
461 #define NTPIPE_SHOVE_STREAM_DATA(stream) \
|
|
|
462 LSTREAM_TYPE_DATA (stream, ntpipe_shove)
|
|
|
463
|
|
371
|
464 #define MAX_SHOVE_BUFFER_SIZE 128
|
|
276
|
465
|
|
274
|
466 struct ntpipe_shove_stream
|
|
|
467 {
|
|
|
468 LPARAM user_data; /* Any user data stored in the stream object */
|
|
|
469 HANDLE hev_thread; /* Our thread blocks on this, signaled by caller */
|
|
|
470 /* This is an auto-reset object. */
|
|
|
471 HANDLE hpipe; /* Pipe write end handle. */
|
|
|
472 HANDLE hthread; /* Reader thread handle. */
|
|
276
|
473 char buffer[MAX_SHOVE_BUFFER_SIZE]; /* Buffer being written */
|
|
274
|
474 DWORD size; /* Number of bytes to write */
|
|
276
|
475 LONG die_p; /* Thread must exit ASAP if non-zero */
|
|
|
476 LONG idle_p; /* Non-zero if thread is waiting for job */
|
|
274
|
477 BOOL error_p : 1; /* Read error other than EOF/broken pipe */
|
|
|
478 BOOL blocking_p : 1;/* Last write attempt would cause blocking */
|
|
|
479 };
|
|
|
480
|
|
|
481 DEFINE_LSTREAM_IMPLEMENTATION ("ntpipe-output", lstream_ntpipe_shove,
|
|
|
482 sizeof (struct ntpipe_shove_stream));
|
|
|
483
|
|
384
|
484 #ifndef HAVE_MSG_SELECT
|
|
274
|
485 static DWORD WINAPI
|
|
|
486 shove_thread (LPVOID vparam)
|
|
|
487 {
|
|
|
488 struct ntpipe_shove_stream *s = (struct ntpipe_shove_stream*) vparam;
|
|
|
489
|
|
|
490 for (;;)
|
|
|
491 {
|
|
|
492 DWORD bytes_written;
|
|
|
493
|
|
|
494 /* Block on event and wait for a job */
|
|
|
495 InterlockedIncrement (&s->idle_p);
|
|
|
496 WaitForSingleObject (s->hev_thread, INFINITE);
|
|
|
497
|
|
371
|
498 if (s->die_p)
|
|
|
499 break;
|
|
|
500
|
|
|
501 /* Write passed buffer */
|
|
|
502 if (!WriteFile (s->hpipe, s->buffer, s->size, &bytes_written, NULL)
|
|
|
503 || bytes_written != s->size)
|
|
274
|
504 {
|
|
371
|
505 s->error_p = TRUE;
|
|
|
506 InterlockedIncrement (&s->die_p);
|
|
274
|
507 }
|
|
|
508
|
|
|
509 if (s->die_p)
|
|
|
510 break;
|
|
|
511 }
|
|
|
512
|
|
|
513 return 0;
|
|
|
514 }
|
|
|
515
|
|
|
516 static Lisp_Object
|
|
|
517 make_ntpipe_output_stream (HANDLE hpipe, LPARAM param)
|
|
|
518 {
|
|
|
519 Lisp_Object obj;
|
|
|
520 Lstream *lstr = Lstream_new (lstream_ntpipe_shove, "w");
|
|
|
521 struct ntpipe_shove_stream* s = NTPIPE_SHOVE_STREAM_DATA (lstr);
|
|
|
522 DWORD thread_id_unused;
|
|
|
523
|
|
|
524 s->die_p = 0;
|
|
|
525 s->error_p = FALSE;
|
|
|
526 s->hpipe = hpipe;
|
|
|
527 s->user_data = param;
|
|
|
528
|
|
|
529 /* Create reader thread. This could fail, so do not
|
|
|
530 create the event until thread is created */
|
|
|
531 s->hthread = CreateThread (NULL, 0, shove_thread, (LPVOID)s,
|
|
|
532 CREATE_SUSPENDED, &thread_id_unused);
|
|
|
533 if (s->hthread == NULL)
|
|
|
534 {
|
|
|
535 Lstream_delete (lstr);
|
|
|
536 return Qnil;
|
|
|
537 }
|
|
|
538
|
|
|
539 /* hev_thread is an auto-reset event, initially nonsignaled */
|
|
|
540 s->hev_thread = CreateEvent (NULL, FALSE, FALSE, NULL);
|
|
|
541
|
|
|
542 /* Now let it go */
|
|
|
543 ResumeThread (s->hthread);
|
|
|
544
|
|
|
545 lstr->flags |= LSTREAM_FL_CLOSE_AT_DISKSAVE;
|
|
|
546 XSETLSTREAM (obj, lstr);
|
|
|
547 return obj;
|
|
|
548 }
|
|
|
549
|
|
|
550 static LPARAM
|
|
|
551 get_ntpipe_output_stream_param (Lstream *stream)
|
|
|
552 {
|
|
|
553 struct ntpipe_shove_stream* s = NTPIPE_SHOVE_STREAM_DATA(stream);
|
|
|
554 return s->user_data;
|
|
|
555 }
|
|
384
|
556 #endif
|
|
274
|
557
|
|
|
558 static int
|
|
|
559 ntpipe_shove_writer (Lstream *stream, const unsigned char *data, size_t size)
|
|
|
560 {
|
|
|
561 struct ntpipe_shove_stream* s = NTPIPE_SHOVE_STREAM_DATA(stream);
|
|
|
562
|
|
|
563 if (s->error_p)
|
|
|
564 return -1;
|
|
|
565
|
|
|
566 s->blocking_p = !s->idle_p;
|
|
|
567 if (s->blocking_p)
|
|
|
568 return 0;
|
|
|
569
|
|
276
|
570 if (size>MAX_SHOVE_BUFFER_SIZE)
|
|
|
571 return 0;
|
|
|
572
|
|
274
|
573 memcpy (s->buffer, data, size);
|
|
|
574 s->size = size;
|
|
|
575
|
|
|
576 /* Start output */
|
|
|
577 InterlockedDecrement (&s->idle_p);
|
|
|
578 SetEvent (s->hev_thread);
|
|
|
579 return size;
|
|
|
580 }
|
|
|
581
|
|
|
582 static int
|
|
|
583 ntpipe_shove_was_blocked_p (Lstream *stream)
|
|
|
584 {
|
|
|
585 struct ntpipe_shove_stream* s = NTPIPE_SHOVE_STREAM_DATA(stream);
|
|
|
586 return s->blocking_p;
|
|
|
587 }
|
|
|
588
|
|
|
589 static int
|
|
|
590 ntpipe_shove_closer (Lstream *stream)
|
|
|
591 {
|
|
|
592 struct ntpipe_shove_stream* s = NTPIPE_SHOVE_STREAM_DATA(stream);
|
|
|
593
|
|
|
594 /* Force thread stop */
|
|
|
595 InterlockedIncrement (&s->die_p);
|
|
|
596
|
|
371
|
597 /* Close pipe handle, possibly breaking it */
|
|
|
598 CloseHandle (s->hpipe);
|
|
|
599
|
|
|
600 /* Thread will end upon unblocking */
|
|
274
|
601 SetEvent (s->hev_thread);
|
|
|
602
|
|
|
603 /* Wait while thread terminates */
|
|
|
604 WaitForSingleObject (s->hthread, INFINITE);
|
|
|
605 CloseHandle (s->hthread);
|
|
|
606
|
|
|
607 /* Destroy the event */
|
|
|
608 CloseHandle (s->hev_thread);
|
|
|
609
|
|
|
610 return 0;
|
|
|
611 }
|
|
|
612
|
|
|
613 static void
|
|
|
614 init_shove_stream (void)
|
|
|
615 {
|
|
|
616 LSTREAM_HAS_METHOD (ntpipe_shove, writer);
|
|
|
617 LSTREAM_HAS_METHOD (ntpipe_shove, was_blocked_p);
|
|
|
618 LSTREAM_HAS_METHOD (ntpipe_shove, closer);
|
|
|
619 }
|
|
|
620
|
|
|
621 /************************************************************************/
|
|
282
|
622 /* Winsock I/O stream */
|
|
|
623 /************************************************************************/
|
|
|
624 #if defined (HAVE_SOCKETS) && !defined(HAVE_MSG_SELECT)
|
|
|
625
|
|
|
626 #define WINSOCK_READ_BUFFER_SIZE 1024
|
|
|
627
|
|
|
628 struct winsock_stream
|
|
|
629 {
|
|
|
630 LPARAM user_data; /* Any user data stored in the stream object */
|
|
|
631 SOCKET s; /* Socket handle (which is a Win32 handle) */
|
|
|
632 OVERLAPPED ov; /* Overlapped I/O structure */
|
|
|
633 void* buffer; /* Buffer. Allocated for input stream only */
|
|
|
634 unsigned int bufsize; /* Number of bytes last read */
|
|
380
|
635 unsigned int bufpos; /* Position in buffer for next fetch */
|
|
282
|
636 unsigned int error_p :1; /* I/O Error seen */
|
|
|
637 unsigned int eof_p :1; /* EOF Error seen */
|
|
|
638 unsigned int pending_p :1; /* There is a pending I/O operation */
|
|
|
639 unsigned int blocking_p :1; /* Last write attempt would block */
|
|
|
640 };
|
|
|
641
|
|
|
642 #define WINSOCK_STREAM_DATA(stream) LSTREAM_TYPE_DATA (stream, winsock)
|
|
|
643
|
|
|
644 DEFINE_LSTREAM_IMPLEMENTATION ("winsock", lstream_winsock,
|
|
|
645 sizeof (struct winsock_stream));
|
|
|
646
|
|
|
647 static void
|
|
|
648 winsock_initiate_read (struct winsock_stream *str)
|
|
|
649 {
|
|
|
650 ResetEvent (str->ov.hEvent);
|
|
|
651 str->bufpos = 0;
|
|
|
652
|
|
|
653 if (!ReadFile ((HANDLE)str->s, str->buffer, WINSOCK_READ_BUFFER_SIZE,
|
|
|
654 &str->bufsize, &str->ov))
|
|
|
655 {
|
|
|
656 if (GetLastError () == ERROR_IO_PENDING)
|
|
|
657 str->pending_p = 1;
|
|
|
658 else if (GetLastError () == ERROR_HANDLE_EOF)
|
|
|
659 str->eof_p = 1;
|
|
|
660 else
|
|
|
661 str->error_p = 1;
|
|
|
662 }
|
|
|
663 else if (str->bufsize == 0)
|
|
|
664 str->eof_p = 1;
|
|
|
665 }
|
|
|
666
|
|
|
667 static int
|
|
|
668 winsock_reader (Lstream *stream, unsigned char *data, size_t size)
|
|
|
669 {
|
|
|
670 struct winsock_stream *str = WINSOCK_STREAM_DATA (stream);
|
|
|
671
|
|
|
672 /* If the current operation is not yet complete, there's nothing to
|
|
|
673 give back */
|
|
|
674 if (str->pending_p)
|
|
|
675 {
|
|
|
676 if (WaitForSingleObject (str->ov.hEvent, 0) == WAIT_TIMEOUT)
|
|
|
677 {
|
|
|
678 errno = EAGAIN;
|
|
|
679 return -1;
|
|
|
680 }
|
|
|
681 else
|
|
|
682 {
|
|
|
683 if (!GetOverlappedResult ((HANDLE)str->s, &str->ov, &str->bufsize, TRUE))
|
|
|
684 {
|
|
|
685 if (GetLastError() == ERROR_HANDLE_EOF)
|
|
|
686 str->bufsize = 0;
|
|
|
687 else
|
|
|
688 str->error_p = 1;
|
|
|
689 }
|
|
|
690 if (str->bufsize == 0)
|
|
|
691 str->eof_p = 1;
|
|
|
692 str->pending_p = 0;
|
|
|
693 }
|
|
|
694 }
|
|
|
695
|
|
|
696 if (str->eof_p)
|
|
|
697 return 0;
|
|
|
698 if (str->error_p)
|
|
|
699 return -1;
|
|
|
700
|
|
|
701 /* Return as much of buffer as we have */
|
|
|
702 size = min (size, (size_t) (str->bufsize - str->bufpos));
|
|
|
703 memcpy (data, (void*)((BYTE*)str->buffer + str->bufpos), size);
|
|
|
704 str->bufpos += size;
|
|
|
705
|
|
|
706 /* Read more if buffer is exhausted */
|
|
|
707 if (str->bufsize == str->bufpos)
|
|
|
708 winsock_initiate_read (str);
|
|
|
709
|
|
|
710 return size;
|
|
|
711 }
|
|
|
712
|
|
|
713 static int
|
|
|
714 winsock_writer (Lstream *stream, CONST unsigned char *data, size_t size)
|
|
|
715 {
|
|
|
716 struct winsock_stream *str = WINSOCK_STREAM_DATA (stream);
|
|
|
717
|
|
|
718 if (str->pending_p)
|
|
|
719 {
|
|
|
720 if (WaitForSingleObject (str->ov.hEvent, 0) == WAIT_TIMEOUT)
|
|
|
721 {
|
|
|
722 str->blocking_p = 1;
|
|
|
723 return -1;
|
|
|
724 }
|
|
|
725 else
|
|
|
726 {
|
|
|
727 DWORD dw_unused;
|
|
|
728 if (!GetOverlappedResult ((HANDLE)str->s, &str->ov, &dw_unused, TRUE))
|
|
|
729 str->error_p = 1;
|
|
|
730 str->pending_p = 0;
|
|
|
731 }
|
|
|
732 }
|
|
|
733
|
|
|
734 str->blocking_p = 0;
|
|
|
735
|
|
|
736 if (str->error_p)
|
|
|
737 return -1;
|
|
|
738
|
|
|
739 if (size == 0)
|
|
|
740 return 0;
|
|
|
741
|
|
|
742 {
|
|
|
743 ResetEvent (str->ov.hEvent);
|
|
373
|
744
|
|
|
745 /* Docs indicate that 4th parameter to WriteFile can be NULL since this is
|
|
|
746 * an overlapped operation. This fails on Win95 with winsock 1.x so we
|
|
|
747 * supply a spare address which is ignored by Win95 anyway. Sheesh. */
|
|
|
748 if (WriteFile ((HANDLE)str->s, data, size, (LPDWORD)&str->buffer, &str->ov)
|
|
282
|
749 || GetLastError() == ERROR_IO_PENDING)
|
|
|
750 str->pending_p = 1;
|
|
|
751 else
|
|
|
752 str->error_p = 1;
|
|
|
753 }
|
|
|
754
|
|
|
755 return str->error_p ? -1 : size;
|
|
|
756 }
|
|
|
757
|
|
|
758 static int
|
|
|
759 winsock_closer (Lstream *lstr)
|
|
|
760 {
|
|
|
761 struct winsock_stream *str = WINSOCK_STREAM_DATA (lstr);
|
|
|
762
|
|
|
763 if (lstr->flags & LSTREAM_FL_READ)
|
|
|
764 shutdown (str->s, 0);
|
|
|
765 else
|
|
|
766 shutdown (str->s, 1);
|
|
|
767
|
|
|
768 CloseHandle ((HANDLE)str->s);
|
|
|
769 if (str->pending_p)
|
|
|
770 WaitForSingleObject (str->ov.hEvent, INFINITE);
|
|
|
771
|
|
|
772 if (lstr->flags & LSTREAM_FL_READ)
|
|
|
773 xfree (str->buffer);
|
|
|
774
|
|
|
775 CloseHandle (str->ov.hEvent);
|
|
|
776 return 0;
|
|
|
777 }
|
|
|
778
|
|
|
779 static int
|
|
|
780 winsock_was_blocked_p (Lstream *stream)
|
|
|
781 {
|
|
|
782 struct winsock_stream *str = WINSOCK_STREAM_DATA (stream);
|
|
|
783 return str->blocking_p;
|
|
|
784 }
|
|
|
785
|
|
|
786 static Lisp_Object
|
|
|
787 make_winsock_stream_1 (SOCKET s, LPARAM param, CONST char *mode)
|
|
|
788 {
|
|
|
789 Lisp_Object obj;
|
|
|
790 Lstream *lstr = Lstream_new (lstream_winsock, mode);
|
|
|
791 struct winsock_stream *str = WINSOCK_STREAM_DATA (lstr);
|
|
|
792
|
|
|
793 str->s = s;
|
|
|
794 str->blocking_p = 0;
|
|
|
795 str->error_p = 0;
|
|
|
796 str->eof_p = 0;
|
|
|
797 str->pending_p = 0;
|
|
|
798 str->user_data = param;
|
|
|
799
|
|
|
800 xzero (str->ov);
|
|
|
801 str->ov.hEvent = CreateEvent (NULL, TRUE, FALSE, NULL);
|
|
|
802
|
|
|
803 if (lstr->flags & LSTREAM_FL_READ)
|
|
|
804 {
|
|
|
805 str->buffer = xmalloc (WINSOCK_READ_BUFFER_SIZE);
|
|
|
806 winsock_initiate_read (str);
|
|
|
807 }
|
|
|
808
|
|
|
809 lstr->flags |= LSTREAM_FL_CLOSE_AT_DISKSAVE;
|
|
|
810 XSETLSTREAM (obj, lstr);
|
|
|
811 return obj;
|
|
|
812 }
|
|
|
813
|
|
|
814 static Lisp_Object
|
|
|
815 make_winsock_input_stream (SOCKET s, LPARAM param)
|
|
|
816 {
|
|
|
817 return make_winsock_stream_1 (s, param, "r");
|
|
|
818 }
|
|
|
819
|
|
|
820 static Lisp_Object
|
|
|
821 make_winsock_output_stream (SOCKET s, LPARAM param)
|
|
|
822 {
|
|
|
823 return make_winsock_stream_1 (s, param, "w");
|
|
|
824 }
|
|
|
825
|
|
|
826 static HANDLE
|
|
|
827 get_winsock_stream_waitable (Lstream *lstr)
|
|
|
828 {
|
|
|
829 struct winsock_stream *str = WINSOCK_STREAM_DATA (lstr);
|
|
|
830 return str->ov.hEvent;
|
|
|
831 }
|
|
|
832
|
|
|
833 static LPARAM
|
|
|
834 get_winsock_stream_param (Lstream *lstr)
|
|
|
835 {
|
|
|
836 struct winsock_stream *str = WINSOCK_STREAM_DATA (lstr);
|
|
|
837 return str->user_data;
|
|
|
838 }
|
|
|
839
|
|
|
840 static void
|
|
|
841 init_winsock_stream (void)
|
|
|
842 {
|
|
|
843 LSTREAM_HAS_METHOD (winsock, reader);
|
|
|
844 LSTREAM_HAS_METHOD (winsock, writer);
|
|
|
845 LSTREAM_HAS_METHOD (winsock, closer);
|
|
|
846 LSTREAM_HAS_METHOD (winsock, was_blocked_p);
|
|
|
847 }
|
|
|
848 #endif /* defined (HAVE_SOCKETS) */
|
|
|
849
|
|
|
850 /************************************************************************/
|
|
274
|
851 /* Dispatch queue management */
|
|
|
852 /************************************************************************/
|
|
227
|
853
|
|
223
|
854 static int
|
|
|
855 mswindows_user_event_p (struct Lisp_Event* sevt)
|
|
|
856 {
|
|
|
857 return (sevt->event_type == key_press_event
|
|
|
858 || sevt->event_type == button_press_event
|
|
288
|
859 || sevt->event_type == button_release_event
|
|
|
860 || sevt->event_type == misc_user_event);
|
|
223
|
861 }
|
|
|
862
|
|
249
|
863 /*
|
|
223
|
864 * Add an emacs event to the proper dispatch queue
|
|
219
|
865 */
|
|
276
|
866 static void
|
|
213
|
867 mswindows_enqueue_dispatch_event (Lisp_Object event)
|
|
|
868 {
|
|
223
|
869 int user_p = mswindows_user_event_p (XEVENT(event));
|
|
|
870 enqueue_event (event,
|
|
|
871 user_p ? &mswindows_u_dispatch_event_queue :
|
|
|
872 &mswindows_s_dispatch_event_queue,
|
|
|
873 user_p ? &mswindows_u_dispatch_event_queue_tail :
|
|
|
874 &mswindows_s_dispatch_event_queue_tail);
|
|
|
875
|
|
276
|
876 /* Avoid blocking on WaitMessage */
|
|
223
|
877 PostMessage (NULL, XM_BUMPQUEUE, 0, 0);
|
|
213
|
878 }
|
|
|
879
|
|
288
|
880 /*
|
|
|
881 * Add a misc-user event to the dispatch queue.
|
|
|
882 *
|
|
|
883 * Stuff it into our own dispatch queue, so we have something
|
|
|
884 * to return from next_event callback.
|
|
|
885 */
|
|
249
|
886 void
|
|
288
|
887 mswindows_enqueue_misc_user_event (Lisp_Object channel, Lisp_Object function,
|
|
|
888 Lisp_Object object)
|
|
276
|
889 {
|
|
288
|
890 Lisp_Object event = Fmake_event (Qnil, Qnil);
|
|
|
891 struct Lisp_Event* e = XEVENT (event);
|
|
276
|
892
|
|
288
|
893 e->event_type = misc_user_event;
|
|
|
894 e->channel = channel;
|
|
|
895 e->event.misc.function = function;
|
|
|
896 e->event.misc.object = object;
|
|
276
|
897
|
|
288
|
898 mswindows_enqueue_dispatch_event (event);
|
|
276
|
899 }
|
|
|
900
|
|
298
|
901 void
|
|
249
|
902 mswindows_enqueue_magic_event (HWND hwnd, UINT message)
|
|
|
903 {
|
|
|
904 Lisp_Object emacs_event = Fmake_event (Qnil, Qnil);
|
|
|
905 struct Lisp_Event* event = XEVENT (emacs_event);
|
|
|
906
|
|
288
|
907 event->channel = hwnd ? mswindows_find_frame (hwnd) : Qnil;
|
|
249
|
908 event->timestamp = GetMessageTime();
|
|
|
909 event->event_type = magic_event;
|
|
|
910 EVENT_MSWINDOWS_MAGIC_TYPE (event) = message;
|
|
|
911
|
|
|
912 mswindows_enqueue_dispatch_event (emacs_event);
|
|
|
913 }
|
|
|
914
|
|
|
915 static void
|
|
274
|
916 mswindows_enqueue_process_event (struct Lisp_Process* p)
|
|
|
917 {
|
|
|
918 Lisp_Object emacs_event = Fmake_event (Qnil, Qnil);
|
|
|
919 struct Lisp_Event* event = XEVENT (emacs_event);
|
|
|
920 Lisp_Object process;
|
|
|
921 XSETPROCESS (process, p);
|
|
|
922
|
|
|
923 event->event_type = process_event;
|
|
|
924 event->timestamp = GetTickCount ();
|
|
|
925 event->event.process.process = process;
|
|
|
926
|
|
|
927 mswindows_enqueue_dispatch_event (emacs_event);
|
|
|
928 }
|
|
|
929
|
|
|
930 static void
|
|
249
|
931 mswindows_enqueue_mouse_button_event (HWND hwnd, UINT message, POINTS where, DWORD when)
|
|
|
932 {
|
|
|
933
|
|
|
934 /* We always use last message time, because mouse button
|
|
|
935 events may get delayed, and XEmacs double click
|
|
|
936 recognition will fail */
|
|
|
937
|
|
|
938 Lisp_Object emacs_event = Fmake_event (Qnil, Qnil);
|
|
|
939 struct Lisp_Event* event = XEVENT(emacs_event);
|
|
|
940
|
|
|
941 event->channel = mswindows_find_frame(hwnd);
|
|
|
942 event->timestamp = when;
|
|
|
943 event->event.button.button =
|
|
|
944 (message==WM_LBUTTONDOWN || message==WM_LBUTTONUP) ? 1 :
|
|
|
945 ((message==WM_RBUTTONDOWN || message==WM_RBUTTONUP) ? 3 : 2);
|
|
|
946 event->event.button.x = where.x;
|
|
|
947 event->event.button.y = where.y;
|
|
|
948 event->event.button.modifiers = mswindows_modifier_state (NULL, 0);
|
|
|
949
|
|
|
950 if (message==WM_LBUTTONDOWN || message==WM_MBUTTONDOWN ||
|
|
|
951 message==WM_RBUTTONDOWN)
|
|
|
952 {
|
|
|
953 event->event_type = button_press_event;
|
|
|
954 SetCapture (hwnd);
|
|
384
|
955 /* we need this to make sure the main window regains the focus
|
|
|
956 from control subwindows */
|
|
|
957 if (GetFocus() != hwnd)
|
|
|
958 {
|
|
|
959 SetFocus (hwnd);
|
|
|
960 mswindows_enqueue_magic_event (hwnd, WM_SETFOCUS);
|
|
|
961 }
|
|
249
|
962 }
|
|
|
963 else
|
|
|
964 {
|
|
|
965 event->event_type = button_release_event;
|
|
|
966 ReleaseCapture ();
|
|
|
967 }
|
|
|
968
|
|
|
969 mswindows_enqueue_dispatch_event (emacs_event);
|
|
|
970 }
|
|
|
971
|
|
|
972 static void
|
|
|
973 mswindows_enqueue_keypress_event (HWND hwnd, Lisp_Object keysym, int mods)
|
|
|
974 {
|
|
|
975 Lisp_Object emacs_event = Fmake_event (Qnil, Qnil);
|
|
|
976 struct Lisp_Event* event = XEVENT(emacs_event);
|
|
|
977
|
|
|
978 event->channel = mswindows_find_console(hwnd);
|
|
|
979 event->timestamp = GetMessageTime();
|
|
|
980 event->event_type = key_press_event;
|
|
|
981 event->event.key.keysym = keysym;
|
|
|
982 event->event.key.modifiers = mods;
|
|
|
983 mswindows_enqueue_dispatch_event (emacs_event);
|
|
|
984 }
|
|
|
985
|
|
219
|
986 /*
|
|
223
|
987 * Remove and return the first emacs event on the dispatch queue.
|
|
|
988 * Give a preference to user events over non-user ones.
|
|
219
|
989 */
|
|
213
|
990 static Lisp_Object
|
|
223
|
991 mswindows_dequeue_dispatch_event ()
|
|
213
|
992 {
|
|
|
993 Lisp_Object event;
|
|
223
|
994 struct Lisp_Event* sevt;
|
|
|
995
|
|
|
996 assert (!NILP(mswindows_u_dispatch_event_queue) ||
|
|
|
997 !NILP(mswindows_s_dispatch_event_queue));
|
|
|
998
|
|
|
999 event = dequeue_event (
|
|
|
1000 NILP(mswindows_u_dispatch_event_queue) ?
|
|
|
1001 &mswindows_s_dispatch_event_queue :
|
|
|
1002 &mswindows_u_dispatch_event_queue,
|
|
|
1003 NILP(mswindows_u_dispatch_event_queue) ?
|
|
|
1004 &mswindows_s_dispatch_event_queue_tail :
|
|
|
1005 &mswindows_u_dispatch_event_queue_tail);
|
|
|
1006
|
|
|
1007 sevt = XEVENT(event);
|
|
|
1008 if (sevt->event_type == key_press_event
|
|
|
1009 && (sevt->event.key.modifiers & FAKE_MOD_QUIT))
|
|
|
1010 {
|
|
|
1011 sevt->event.key.modifiers &= ~FAKE_MOD_QUIT;
|
|
|
1012 --mswindows_quit_chars_count;
|
|
|
1013 }
|
|
|
1014
|
|
213
|
1015 return event;
|
|
|
1016 }
|
|
|
1017
|
|
|
1018 /*
|
|
219
|
1019 * Remove and return the first emacs event on the dispatch queue that matches
|
|
384
|
1020 * the supplied event.
|
|
|
1021 * Timeout event matches if interval_id is equal to that of the given event.
|
|
223
|
1022 * Keypress event matches if logical AND between modifiers bitmask of the
|
|
384
|
1023 * event in the queue and that of the given event is non-zero.
|
|
|
1024 * For all other event types, this function aborts.
|
|
219
|
1025 */
|
|
223
|
1026
|
|
219
|
1027 Lisp_Object
|
|
384
|
1028 mswindows_cancel_dispatch_event (struct Lisp_Event *match)
|
|
219
|
1029 {
|
|
|
1030 Lisp_Object event;
|
|
384
|
1031 Lisp_Object previous_event = Qnil;
|
|
223
|
1032 int user_p = mswindows_user_event_p (match);
|
|
|
1033 Lisp_Object* head = user_p ? &mswindows_u_dispatch_event_queue :
|
|
|
1034 &mswindows_s_dispatch_event_queue;
|
|
|
1035 Lisp_Object* tail = user_p ? &mswindows_u_dispatch_event_queue_tail :
|
|
|
1036 &mswindows_s_dispatch_event_queue_tail;
|
|
219
|
1037
|
|
223
|
1038 assert (match->event_type == timeout_event
|
|
|
1039 || match->event_type == key_press_event);
|
|
219
|
1040
|
|
223
|
1041 EVENT_CHAIN_LOOP (event, *head)
|
|
|
1042 {
|
|
384
|
1043 struct Lisp_Event *e = XEVENT (event);
|
|
|
1044 if ((e->event_type == match->event_type) &&
|
|
|
1045 ((e->event_type == timeout_event) ?
|
|
|
1046 (e->event.timeout.interval_id == match->event.timeout.interval_id) :
|
|
|
1047 /* Must be key_press_event */
|
|
|
1048 ((e->event.key.modifiers & match->event.key.modifiers) != 0)))
|
|
223
|
1049 {
|
|
|
1050 if (NILP (previous_event))
|
|
|
1051 dequeue_event (head, tail);
|
|
|
1052 else
|
|
|
1053 {
|
|
|
1054 XSET_EVENT_NEXT (previous_event, XEVENT_NEXT (event));
|
|
|
1055 if (EQ (*tail, event))
|
|
|
1056 *tail = previous_event;
|
|
|
1057 }
|
|
|
1058
|
|
|
1059 return event;
|
|
|
1060 }
|
|
219
|
1061 previous_event = event;
|
|
223
|
1062 }
|
|
239
|
1063 return Qnil;
|
|
219
|
1064 }
|
|
274
|
1065
|
|
384
|
1066 #ifndef HAVE_MSG_SELECT
|
|
274
|
1067 /************************************************************************/
|
|
|
1068 /* Waitable handles manipulation */
|
|
|
1069 /************************************************************************/
|
|
|
1070 static int
|
|
|
1071 find_waitable_handle (HANDLE h)
|
|
|
1072 {
|
|
|
1073 int i;
|
|
|
1074 for (i = 0; i < mswindows_waitable_count; ++i)
|
|
|
1075 if (mswindows_waitable_handles[i] == h)
|
|
|
1076 return i;
|
|
219
|
1077
|
|
274
|
1078 return -1;
|
|
|
1079 }
|
|
249
|
1080
|
|
274
|
1081 static BOOL
|
|
|
1082 add_waitable_handle (HANDLE h)
|
|
|
1083 {
|
|
|
1084 assert (find_waitable_handle (h) < 0);
|
|
|
1085 if (mswindows_waitable_count == MAX_WAITABLE)
|
|
|
1086 return FALSE;
|
|
|
1087
|
|
|
1088 mswindows_waitable_handles [mswindows_waitable_count++] = h;
|
|
|
1089 return TRUE;
|
|
|
1090 }
|
|
|
1091
|
|
|
1092 static void
|
|
|
1093 remove_waitable_handle (HANDLE h)
|
|
|
1094 {
|
|
|
1095 int ix = find_waitable_handle (h);
|
|
|
1096 if (ix < 0)
|
|
|
1097 return;
|
|
|
1098
|
|
|
1099 mswindows_waitable_handles [ix] =
|
|
|
1100 mswindows_waitable_handles [--mswindows_waitable_count];
|
|
|
1101 }
|
|
384
|
1102 #endif /* HAVE_MSG_SELECT */
|
|
274
|
1103
|
|
|
1104
|
|
249
|
1105 /************************************************************************/
|
|
|
1106 /* Event pump */
|
|
|
1107 /************************************************************************/
|
|
|
1108
|
|
231
|
1109 static Lisp_Object
|
|
|
1110 mswindows_modal_loop_error_handler (Lisp_Object cons_sig_data,
|
|
|
1111 Lisp_Object u_n_u_s_e_d)
|
|
|
1112 {
|
|
|
1113 mswindows_error_caught_in_modal_loop = cons_sig_data;
|
|
|
1114 return Qunbound;
|
|
|
1115 }
|
|
|
1116
|
|
|
1117 Lisp_Object
|
|
|
1118 mswindows_protect_modal_loop (Lisp_Object (*bfun) (Lisp_Object barg),
|
|
|
1119 Lisp_Object barg)
|
|
|
1120 {
|
|
|
1121 Lisp_Object tmp;
|
|
|
1122
|
|
|
1123 ++mswindows_in_modal_loop;
|
|
|
1124 tmp = condition_case_1 (Qt,
|
|
|
1125 bfun, barg,
|
|
|
1126 mswindows_modal_loop_error_handler, Qnil);
|
|
|
1127 --mswindows_in_modal_loop;
|
|
|
1128
|
|
|
1129 return tmp;
|
|
|
1130 }
|
|
|
1131
|
|
|
1132 void
|
|
|
1133 mswindows_unmodalize_signal_maybe (void)
|
|
|
1134 {
|
|
|
1135 if (!NILP (mswindows_error_caught_in_modal_loop))
|
|
|
1136 {
|
|
|
1137 /* Got an error while messages were pumped while
|
|
|
1138 in window procedure - have to resignal */
|
|
|
1139 Lisp_Object sym = XCAR (mswindows_error_caught_in_modal_loop);
|
|
|
1140 Lisp_Object data = XCDR (mswindows_error_caught_in_modal_loop);
|
|
|
1141 mswindows_error_caught_in_modal_loop = Qnil;
|
|
|
1142 Fsignal (sym, data);
|
|
|
1143 }
|
|
|
1144 }
|
|
|
1145
|
|
219
|
1146 /*
|
|
227
|
1147 * This is an unsafe part of event pump, guarded by
|
|
|
1148 * condition_case. See mswindows_pump_outstanding_events
|
|
|
1149 */
|
|
|
1150 static Lisp_Object
|
|
|
1151 mswindows_unsafe_pump_events (Lisp_Object u_n_u_s_e_d)
|
|
|
1152 {
|
|
|
1153 /* This function can call lisp */
|
|
|
1154 Lisp_Object event = Fmake_event (Qnil, Qnil);
|
|
|
1155 struct gcpro gcpro1;
|
|
|
1156 int do_redisplay = 0;
|
|
|
1157 GCPRO1 (event);
|
|
|
1158
|
|
|
1159 while (detect_input_pending ())
|
|
|
1160 {
|
|
|
1161 Fnext_event (event, Qnil);
|
|
|
1162 Fdispatch_event (event);
|
|
|
1163 do_redisplay = 1;
|
|
|
1164 }
|
|
|
1165
|
|
|
1166 if (do_redisplay)
|
|
|
1167 redisplay ();
|
|
|
1168
|
|
|
1169 Fdeallocate_event (event);
|
|
|
1170 UNGCPRO;
|
|
|
1171
|
|
|
1172 /* Qt becomes return value of mswindows_pump_outstanding_events
|
|
|
1173 once we get here */
|
|
|
1174 return Qt;
|
|
|
1175 }
|
|
|
1176
|
|
|
1177 /*
|
|
|
1178 * This function pumps emacs events, while available, by using
|
|
|
1179 * next_message/dispatch_message loop. Errors are trapped around
|
|
|
1180 * the loop so the function always returns.
|
|
|
1181 *
|
|
|
1182 * Windows message queue is not looked into during the call,
|
|
|
1183 * neither are waitable handles checked. The function pumps
|
|
|
1184 * thus only dispatch events already queued, as well as those
|
|
|
1185 * resulted in dispatching thereof. This is done by setting
|
|
380
|
1186 * module local variable mswindows_in_modal_loop to nonzero.
|
|
227
|
1187 *
|
|
231
|
1188 * Return value is Qt if no errors was trapped, or Qunbound if
|
|
227
|
1189 * there was an error.
|
|
|
1190 *
|
|
|
1191 * In case of error, a cons representing the error, in the
|
|
|
1192 * form (SIGNAL . DATA), is stored in the module local variable
|
|
231
|
1193 * mswindows_error_caught_in_modal_loop. This error is signaled
|
|
227
|
1194 * again when DispatchMessage returns. Thus, Windows internal
|
|
|
1195 * modal loops are protected against throws, which are proven
|
|
|
1196 * to corrupt internal Windows structures.
|
|
|
1197 *
|
|
231
|
1198 * In case of success, mswindows_error_caught_in_modal_loop is
|
|
227
|
1199 * assigned Qnil.
|
|
|
1200 *
|
|
231
|
1201 * If the value of mswindows_error_caught_in_modal_loop is not
|
|
227
|
1202 * nil already upon entry, the function just returns non-nil.
|
|
|
1203 * This situation means that a new event has been queued while
|
|
380
|
1204 * in cancel mode. The event will be dequeued on the next regular
|
|
227
|
1205 * call of next-event; the pump is off since error is caught.
|
|
|
1206 * The caller must *unconditionally* cancel modal loop if the
|
|
|
1207 * value returned by this function is nil. Otherwise, everything
|
|
|
1208 * will become frozen until the modal loop exits under normal
|
|
|
1209 * condition (scrollbar drag is released, menu closed etc.)
|
|
|
1210 */
|
|
|
1211 Lisp_Object
|
|
|
1212 mswindows_pump_outstanding_events (void)
|
|
|
1213 {
|
|
|
1214 /* This function can call lisp */
|
|
|
1215
|
|
|
1216 Lisp_Object result = Qt;
|
|
249
|
1217 struct gcpro gcpro1;
|
|
|
1218 GCPRO1 (result);
|
|
|
1219
|
|
231
|
1220 if (NILP(mswindows_error_caught_in_modal_loop))
|
|
|
1221 result = mswindows_protect_modal_loop (mswindows_unsafe_pump_events, Qnil);
|
|
249
|
1222 UNGCPRO;
|
|
227
|
1223 return result;
|
|
|
1224 }
|
|
|
1225
|
|
223
|
1226 static void
|
|
|
1227 mswindows_drain_windows_queue ()
|
|
|
1228 {
|
|
|
1229 MSG msg;
|
|
|
1230 while (PeekMessage (&msg, NULL, 0, 0, PM_REMOVE))
|
|
227
|
1231 {
|
|
384
|
1232 /* we have to translate messages that are not sent to the main
|
|
|
1233 window. this is so that key presses work ok in things like
|
|
|
1234 edit fields. however, we *musn't* translate message for the
|
|
|
1235 main window as this is handled in the wnd proc. */
|
|
|
1236 if ( GetWindowLong (msg.hwnd, GWL_STYLE) & WS_CHILD )
|
|
|
1237 {
|
|
|
1238 TranslateMessage (&msg);
|
|
|
1239 }
|
|
227
|
1240 DispatchMessage (&msg);
|
|
231
|
1241 mswindows_unmodalize_signal_maybe ();
|
|
227
|
1242 }
|
|
|
1243 }
|
|
|
1244
|
|
|
1245 /*
|
|
380
|
1246 * This is a special flavor of the mswindows_need_event function,
|
|
227
|
1247 * used while in event pump. Actually, there is only kind of events
|
|
|
1248 * allowed while in event pump: a timer. An attempt to fetch any
|
|
380
|
1249 * other event leads to a deadlock, as there's no source of user input
|
|
227
|
1250 * ('cause event pump mirrors windows modal loop, which is a sole
|
|
|
1251 * owner of thread message queue).
|
|
|
1252 *
|
|
|
1253 * To detect this, we use a counter of active timers, and allow
|
|
|
1254 * fetching WM_TIMER messages. Instead of trying to fetch a WM_TIMER
|
|
|
1255 * which will never come when there are no pending timers, which leads
|
|
|
1256 * to deadlock, we simply signal an error.
|
|
|
1257 */
|
|
|
1258 static void
|
|
274
|
1259 mswindows_need_event_in_modal_loop (int badly_p)
|
|
227
|
1260 {
|
|
|
1261 MSG msg;
|
|
|
1262
|
|
|
1263 /* Check if already have one */
|
|
|
1264 if (!NILP (mswindows_u_dispatch_event_queue)
|
|
|
1265 || !NILP (mswindows_s_dispatch_event_queue))
|
|
|
1266 return;
|
|
|
1267
|
|
|
1268 /* No event is ok */
|
|
|
1269 if (!badly_p)
|
|
|
1270 return;
|
|
|
1271
|
|
|
1272 /* We do not check the _u_ queue, because timers go to _s_ */
|
|
|
1273 while (NILP (mswindows_s_dispatch_event_queue))
|
|
|
1274 {
|
|
|
1275 /* We'll deadlock if go waiting */
|
|
|
1276 if (mswindows_pending_timers_count == 0)
|
|
|
1277 error ("Deadlock due to an attempt to call next-event in a wrong context");
|
|
|
1278
|
|
|
1279 /* Fetch and dispatch any pending timers */
|
|
|
1280 GetMessage (&msg, NULL, WM_TIMER, WM_TIMER);
|
|
|
1281 DispatchMessage (&msg);
|
|
|
1282 }
|
|
223
|
1283 }
|
|
|
1284
|
|
|
1285 /*
|
|
|
1286 * This drains the event queue and fills up two internal queues until
|
|
|
1287 * an event of a type specified by USER_P is retrieved.
|
|
|
1288 *
|
|
|
1289 *
|
|
|
1290 * Used by emacs_mswindows_event_pending_p and emacs_mswindows_next_event
|
|
|
1291 */
|
|
|
1292 static void
|
|
274
|
1293 mswindows_need_event (int badly_p)
|
|
223
|
1294 {
|
|
|
1295 int active;
|
|
|
1296
|
|
231
|
1297 if (mswindows_in_modal_loop)
|
|
227
|
1298 {
|
|
274
|
1299 mswindows_need_event_in_modal_loop (badly_p);
|
|
227
|
1300 return;
|
|
|
1301 }
|
|
|
1302
|
|
223
|
1303 /* Have to drain Windows message queue first, otherwise, we may miss
|
|
|
1304 quit char when called from quit_p */
|
|
|
1305 mswindows_drain_windows_queue ();
|
|
|
1306
|
|
274
|
1307 while (NILP (mswindows_u_dispatch_event_queue)
|
|
|
1308 && NILP (mswindows_s_dispatch_event_queue))
|
|
278
|
1309 {
|
|
|
1310 #ifdef HAVE_MSG_SELECT
|
|
|
1311 int i;
|
|
|
1312 SELECT_TYPE temp_mask = input_wait_mask;
|
|
|
1313 EMACS_TIME sometime;
|
|
|
1314 EMACS_SELECT_TIME select_time_to_block, *pointer_to_this;
|
|
|
1315
|
|
|
1316 if (badly_p)
|
|
|
1317 pointer_to_this = 0;
|
|
|
1318 else
|
|
|
1319 {
|
|
|
1320 EMACS_SET_SECS_USECS (sometime, 0, 0);
|
|
|
1321 EMACS_TIME_TO_SELECT_TIME (sometime, select_time_to_block);
|
|
|
1322 pointer_to_this = &select_time_to_block;
|
|
|
1323 }
|
|
373
|
1324
|
|
|
1325 /* select() is slow and buggy so if we don't have any processes
|
|
|
1326 just wait as normal */
|
|
|
1327 if (memcmp (&process_only_mask, &zero_mask, sizeof(SELECT_TYPE))==0)
|
|
|
1328 {
|
|
|
1329 /* Now try getting a message or process event */
|
|
|
1330 active = MsgWaitForMultipleObjects (0, mswindows_waitable_handles,
|
|
|
1331 FALSE, badly_p ? INFINITE : 0,
|
|
|
1332 QS_ALLINPUT);
|
|
|
1333
|
|
|
1334 if (active == WAIT_TIMEOUT)
|
|
|
1335 {
|
|
|
1336 /* No luck trying - just return what we've already got */
|
|
|
1337 return;
|
|
|
1338 }
|
|
|
1339 else if (active == WAIT_OBJECT_0)
|
|
|
1340 {
|
|
|
1341 /* Got your message, thanks */
|
|
|
1342 mswindows_drain_windows_queue ();
|
|
|
1343 continue;
|
|
|
1344 }
|
|
|
1345 }
|
|
|
1346
|
|
278
|
1347 active = select (MAXDESC, &temp_mask, 0, 0, pointer_to_this);
|
|
|
1348
|
|
|
1349 if (active == 0)
|
|
|
1350 {
|
|
|
1351 return; /* timeout */
|
|
|
1352 }
|
|
|
1353 else if (active > 0)
|
|
|
1354 {
|
|
|
1355 if (FD_ISSET (windows_fd, &temp_mask))
|
|
|
1356 {
|
|
|
1357 mswindows_drain_windows_queue ();
|
|
|
1358 }
|
|
|
1359
|
|
|
1360 /* Look for a process event */
|
|
|
1361 for (i = 0; i < MAXDESC-1; i++)
|
|
|
1362 {
|
|
|
1363 if (FD_ISSET (i, &temp_mask))
|
|
|
1364 {
|
|
|
1365 if (FD_ISSET (i, &process_only_mask))
|
|
|
1366 {
|
|
|
1367 struct Lisp_Process *p =
|
|
|
1368 get_process_from_usid (FD_TO_USID(i));
|
|
|
1369
|
|
|
1370 mswindows_enqueue_process_event (p);
|
|
|
1371 }
|
|
|
1372 else if (FD_ISSET (i, &tty_only_mask))
|
|
|
1373 {
|
|
|
1374 /* do we care about tty events? Do we
|
|
|
1375 ever get tty events? */
|
|
|
1376 }
|
|
|
1377 else
|
|
|
1378 {
|
|
|
1379 /* We might get here when a fake event came
|
|
|
1380 through a signal. Return a dummy event, so
|
|
|
1381 that a cycle of the command loop will
|
|
|
1382 occur. */
|
|
|
1383 drain_signal_event_pipe ();
|
|
288
|
1384 mswindows_enqueue_magic_event (NULL, XM_BUMPQUEUE);
|
|
278
|
1385 }
|
|
|
1386 }
|
|
|
1387 }
|
|
|
1388 }
|
|
|
1389 else if (active==-1)
|
|
|
1390 {
|
|
|
1391 if (errno != EINTR)
|
|
|
1392 {
|
|
380
|
1393 /* something bad happened */
|
|
278
|
1394 assert(0);
|
|
|
1395 }
|
|
|
1396 }
|
|
|
1397 else
|
|
|
1398 {
|
|
|
1399 assert(0);
|
|
|
1400 }
|
|
|
1401 #else
|
|
|
1402 /* Now try getting a message or process event */
|
|
223
|
1403 active = MsgWaitForMultipleObjects (mswindows_waitable_count,
|
|
274
|
1404 mswindows_waitable_handles,
|
|
223
|
1405 FALSE, badly_p ? INFINITE : 0,
|
|
|
1406 QS_ALLINPUT);
|
|
|
1407
|
|
|
1408 /* This will assert if handle being waited for becomes abandoned.
|
|
|
1409 Not the case currently tho */
|
|
|
1410 assert ((!badly_p && active == WAIT_TIMEOUT) ||
|
|
|
1411 (active >= WAIT_OBJECT_0 &&
|
|
|
1412 active <= WAIT_OBJECT_0 + mswindows_waitable_count));
|
|
|
1413
|
|
|
1414 if (active == WAIT_TIMEOUT)
|
|
|
1415 {
|
|
|
1416 /* No luck trying - just return what we've already got */
|
|
|
1417 return;
|
|
|
1418 }
|
|
|
1419 else if (active == WAIT_OBJECT_0 + mswindows_waitable_count)
|
|
|
1420 {
|
|
|
1421 /* Got your message, thanks */
|
|
|
1422 mswindows_drain_windows_queue ();
|
|
|
1423 }
|
|
|
1424 else
|
|
|
1425 {
|
|
274
|
1426 int ix = active - WAIT_OBJECT_0;
|
|
380
|
1427 /* First, try to find which process' output has signaled */
|
|
274
|
1428 struct Lisp_Process *p =
|
|
|
1429 get_process_from_usid (HANDLE_TO_USID (mswindows_waitable_handles[ix]));
|
|
|
1430 if (p != NULL)
|
|
|
1431 {
|
|
|
1432 /* Found a signaled process input handle */
|
|
|
1433 mswindows_enqueue_process_event (p);
|
|
|
1434 }
|
|
|
1435 else
|
|
|
1436 {
|
|
|
1437 /* None. This means that the process handle itself has signaled.
|
|
380
|
1438 Remove the handle from the wait vector, and make status_notify
|
|
274
|
1439 note the exited process */
|
|
|
1440 mswindows_waitable_handles [ix] =
|
|
|
1441 mswindows_waitable_handles [--mswindows_waitable_count];
|
|
|
1442 kick_status_notify ();
|
|
276
|
1443 /* Have to return something: there may be no accompanying
|
|
|
1444 process event */
|
|
288
|
1445 mswindows_enqueue_magic_event (NULL, XM_BUMPQUEUE);
|
|
274
|
1446 }
|
|
223
|
1447 }
|
|
278
|
1448 #endif
|
|
223
|
1449 } /* while */
|
|
|
1450 }
|
|
|
1451
|
|
249
|
1452 /************************************************************************/
|
|
|
1453 /* Event generators */
|
|
|
1454 /************************************************************************/
|
|
|
1455
|
|
|
1456 /*
|
|
|
1457 * Callback procedure for synchronous timer messages
|
|
|
1458 */
|
|
|
1459 static void CALLBACK
|
|
|
1460 mswindows_wm_timer_callback (HWND hwnd, UINT umsg, UINT id_timer, DWORD dwtime)
|
|
|
1461 {
|
|
|
1462 Lisp_Object emacs_event = Fmake_event (Qnil, Qnil);
|
|
|
1463 struct Lisp_Event *event = XEVENT (emacs_event);
|
|
|
1464
|
|
|
1465 if (KillTimer (NULL, id_timer))
|
|
|
1466 --mswindows_pending_timers_count;
|
|
|
1467
|
|
|
1468 event->channel = Qnil;
|
|
|
1469 event->timestamp = dwtime;
|
|
|
1470 event->event_type = timeout_event;
|
|
|
1471 event->event.timeout.interval_id = id_timer;
|
|
382
|
1472 event->event.timeout.function = Qnil;
|
|
|
1473 event->event.timeout.object = Qnil;
|
|
249
|
1474
|
|
|
1475 mswindows_enqueue_dispatch_event (emacs_event);
|
|
|
1476 }
|
|
|
1477
|
|
|
1478 /*
|
|
|
1479 * Callback procedure for dde messages
|
|
284
|
1480 *
|
|
|
1481 * We execute a dde Open("file") by simulating a file drop, so dde support
|
|
|
1482 * depends on dnd support.
|
|
249
|
1483 */
|
|
284
|
1484 #ifdef HAVE_DRAGNDROP
|
|
249
|
1485 HDDEDATA CALLBACK
|
|
|
1486 mswindows_dde_callback (UINT uType, UINT uFmt, HCONV hconv,
|
|
|
1487 HSZ hszTopic, HSZ hszItem, HDDEDATA hdata,
|
|
|
1488 DWORD dwData1, DWORD dwData2)
|
|
|
1489 {
|
|
|
1490 switch (uType)
|
|
|
1491 {
|
|
|
1492 case XTYP_CONNECT:
|
|
|
1493 if (!DdeCmpStringHandles (hszTopic, mswindows_dde_topic_system))
|
|
|
1494 return (HDDEDATA)TRUE;
|
|
|
1495 return (HDDEDATA)FALSE;
|
|
|
1496
|
|
|
1497 case XTYP_WILDCONNECT:
|
|
|
1498 {
|
|
|
1499 /* We only support one {service,topic} pair */
|
|
|
1500 HSZPAIR pairs[2] = {
|
|
|
1501 { mswindows_dde_service, mswindows_dde_topic_system }, { 0, 0 } };
|
|
|
1502
|
|
|
1503 if (!(hszItem || DdeCmpStringHandles (hszItem, mswindows_dde_service)) &&
|
|
|
1504 !(hszTopic || DdeCmpStringHandles (hszTopic, mswindows_dde_topic_system)));
|
|
|
1505 return (DdeCreateDataHandle (mswindows_dde_mlid, (LPBYTE)pairs,
|
|
|
1506 sizeof (pairs), 0L, 0, uFmt, 0));
|
|
|
1507 }
|
|
|
1508 return (HDDEDATA)NULL;
|
|
|
1509
|
|
|
1510 case XTYP_EXECUTE:
|
|
|
1511 if (!DdeCmpStringHandles (hszTopic, mswindows_dde_topic_system))
|
|
|
1512 {
|
|
|
1513 DWORD len = DdeGetData (hdata, NULL, 0, 0);
|
|
|
1514 char *cmd = alloca (len+1);
|
|
|
1515 char *end;
|
|
282
|
1516 char *filename;
|
|
|
1517 struct gcpro gcpro1, gcpro2;
|
|
|
1518 Lisp_Object l_dndlist = Qnil;
|
|
249
|
1519 Lisp_Object emacs_event = Fmake_event (Qnil, Qnil);
|
|
284
|
1520 Lisp_Object frmcons, devcons, concons;
|
|
249
|
1521 struct Lisp_Event *event = XEVENT (emacs_event);
|
|
|
1522
|
|
|
1523 DdeGetData (hdata, cmd, len, 0);
|
|
|
1524 cmd[len] = '\0';
|
|
|
1525 DdeFreeDataHandle (hdata);
|
|
|
1526
|
|
282
|
1527 /* Check syntax & that it's an [Open("foo")] command, which we
|
|
|
1528 * treat like a file drop */
|
|
249
|
1529 /* #### Ought to be generalised and accept some other commands */
|
|
|
1530 if (*cmd == '[')
|
|
|
1531 cmd++;
|
|
|
1532 if (strnicmp (cmd, MSWINDOWS_DDE_ITEM_OPEN,
|
|
|
1533 strlen (MSWINDOWS_DDE_ITEM_OPEN)))
|
|
|
1534 return DDE_FNOTPROCESSED;
|
|
|
1535 cmd += strlen (MSWINDOWS_DDE_ITEM_OPEN);
|
|
|
1536 while (*cmd==' ')
|
|
|
1537 cmd++;
|
|
|
1538 if (*cmd!='(' || *(cmd+1)!='\"')
|
|
|
1539 return DDE_FNOTPROCESSED;
|
|
|
1540 end = (cmd+=2);
|
|
|
1541 while (*end && *end!='\"')
|
|
|
1542 end++;
|
|
|
1543 if (!*end)
|
|
|
1544 return DDE_FNOTPROCESSED;
|
|
|
1545 *end = '\0';
|
|
|
1546 if (*(++end)!=')')
|
|
|
1547 return DDE_FNOTPROCESSED;
|
|
|
1548 if (*(++end)==']')
|
|
|
1549 end++;
|
|
|
1550 if (*end)
|
|
|
1551 return DDE_FNOTPROCESSED;
|
|
282
|
1552
|
|
259
|
1553 #ifdef __CYGWIN32__
|
|
282
|
1554 filename = alloca (cygwin32_win32_to_posix_path_list_buf_size (cmd) + 5);
|
|
|
1555 strcpy (filename, "file:");
|
|
|
1556 cygwin32_win32_to_posix_path_list (cmd, filename+5);
|
|
|
1557 #else
|
|
|
1558 dostounix_filename (cmd);
|
|
|
1559 filename = alloca (strlen (cmd)+6);
|
|
|
1560 strcpy (filename, "file:");
|
|
|
1561 strcat (filename, cmd);
|
|
259
|
1562 #endif
|
|
282
|
1563 GCPRO2 (emacs_event, l_dndlist);
|
|
|
1564 l_dndlist = make_string (filename, strlen (filename));
|
|
249
|
1565
|
|
284
|
1566 /* Find a mswindows frame */
|
|
249
|
1567 event->channel = Qnil;
|
|
284
|
1568 FRAME_LOOP_NO_BREAK (frmcons, devcons, concons)
|
|
|
1569 {
|
|
|
1570 Lisp_Object frame = XCAR (frmcons);
|
|
|
1571 if (FRAME_TYPE_P (XFRAME (frame), mswindows))
|
|
|
1572 event->channel = frame;
|
|
|
1573 };
|
|
|
1574 assert (!NILP (event->channel));
|
|
|
1575
|
|
249
|
1576 event->timestamp = GetTickCount();
|
|
282
|
1577 event->event_type = misc_user_event;
|
|
|
1578 event->event.misc.button = 1;
|
|
|
1579 event->event.misc.modifiers = 0;
|
|
|
1580 event->event.misc.x = -1;
|
|
|
1581 event->event.misc.y = -1;
|
|
|
1582 event->event.misc.function = Qdragdrop_drop_dispatch;
|
|
|
1583 event->event.misc.object = Fcons (Qdragdrop_URL,
|
|
|
1584 Fcons (l_dndlist, Qnil));
|
|
249
|
1585 mswindows_enqueue_dispatch_event (emacs_event);
|
|
282
|
1586 UNGCPRO;
|
|
249
|
1587 return (HDDEDATA) DDE_FACK;
|
|
|
1588 }
|
|
|
1589 DdeFreeDataHandle (hdata);
|
|
|
1590 return (HDDEDATA) DDE_FNOTPROCESSED;
|
|
282
|
1591
|
|
249
|
1592 default:
|
|
|
1593 return (HDDEDATA) NULL;
|
|
|
1594 }
|
|
|
1595 }
|
|
284
|
1596 #endif
|
|
249
|
1597
|
|
|
1598 /*
|
|
|
1599 * The windows procedure for the window class XEMACS_CLASS
|
|
|
1600 */
|
|
|
1601 LRESULT WINAPI
|
|
|
1602 mswindows_wnd_proc(HWND hwnd, UINT message, WPARAM wParam, LPARAM lParam)
|
|
|
1603 {
|
|
380
|
1604 /* Note: Remember to initialize emacs_event and event before use.
|
|
249
|
1605 This code calls code that can GC. You must GCPRO before calling such code. */
|
|
|
1606 Lisp_Object emacs_event = Qnil;
|
|
|
1607 Lisp_Object fobj = Qnil;
|
|
|
1608
|
|
|
1609 struct Lisp_Event *event;
|
|
|
1610 struct frame *frame;
|
|
|
1611 struct mswindows_frame* msframe;
|
|
|
1612
|
|
|
1613 switch (message)
|
|
|
1614 {
|
|
|
1615 case WM_ERASEBKGND:
|
|
|
1616 /* Erase background only during non-dynamic sizing */
|
|
|
1617 msframe = FRAME_MSWINDOWS_DATA (XFRAME (mswindows_find_frame (hwnd)));
|
|
|
1618 if (msframe->sizing && !mswindows_dynamic_frame_resize)
|
|
|
1619 goto defproc;
|
|
|
1620 return 1;
|
|
|
1621
|
|
|
1622 case WM_CLOSE:
|
|
|
1623 fobj = mswindows_find_frame (hwnd);
|
|
288
|
1624 mswindows_enqueue_misc_user_event (fobj, Qeval, list3 (Qdelete_frame, fobj, Qt));
|
|
249
|
1625 break;
|
|
|
1626
|
|
373
|
1627 case WM_KEYUP:
|
|
|
1628 case WM_SYSKEYUP:
|
|
|
1629 /* See Win95 comment under WM_KEYDOWN */
|
|
|
1630 {
|
|
|
1631 BYTE keymap[256];
|
|
|
1632
|
|
|
1633 if (wParam == VK_CONTROL)
|
|
|
1634 {
|
|
|
1635 GetKeyboardState (keymap);
|
|
|
1636 keymap [(lParam & 0x1000000) ? VK_RCONTROL : VK_LCONTROL] &= ~0x80;
|
|
|
1637 SetKeyboardState (keymap);
|
|
|
1638 }
|
|
|
1639 else if (wParam == VK_MENU)
|
|
|
1640 {
|
|
|
1641 GetKeyboardState (keymap);
|
|
|
1642 keymap [(lParam & 0x1000000) ? VK_RMENU : VK_LMENU] &= ~0x80;
|
|
|
1643 SetKeyboardState (keymap);
|
|
|
1644 }
|
|
|
1645 };
|
|
|
1646 goto defproc;
|
|
|
1647
|
|
249
|
1648 case WM_KEYDOWN:
|
|
|
1649 case WM_SYSKEYDOWN:
|
|
373
|
1650 /* In some locales the right-hand Alt key is labelled AltGr. This key
|
|
|
1651 * should produce alternative charcaters when combined with another key.
|
|
|
1652 * eg on a German keyboard pressing AltGr+q should produce '@'.
|
|
|
1653 * AltGr generates exactly the same keystrokes as LCtrl+RAlt. But if
|
|
|
1654 * TranslateMessage() is called with *any* combination of Ctrl+Alt down,
|
|
|
1655 * it translates as if AltGr were down.
|
|
|
1656 * We get round this by removing all modifiers from the keymap before
|
|
|
1657 * calling TranslateMessage() unless AltGr is *really* down. */
|
|
249
|
1658 {
|
|
|
1659 BYTE keymap[256];
|
|
|
1660 int has_AltGr = mswindows_current_layout_has_AltGr ();
|
|
|
1661 int mods;
|
|
|
1662 Lisp_Object keysym;
|
|
|
1663
|
|
|
1664 GetKeyboardState (keymap);
|
|
|
1665 mods = mswindows_modifier_state (keymap, has_AltGr);
|
|
|
1666
|
|
373
|
1667 /* Handle those keys for which TranslateMessage won't generate a WM_CHAR */
|
|
371
|
1668 if (!NILP (keysym = mswindows_key_to_emacs_keysym(wParam, mods)))
|
|
249
|
1669 mswindows_enqueue_keypress_event (hwnd, keysym, mods);
|
|
371
|
1670 else
|
|
249
|
1671 {
|
|
|
1672 int quit_ch = CONSOLE_QUIT_CHAR (XCONSOLE (mswindows_find_console (hwnd)));
|
|
|
1673 BYTE keymap_orig[256];
|
|
384
|
1674 POINT pnt = { LOWORD (GetMessagePos()), HIWORD (GetMessagePos()) };
|
|
388
|
1675 MSG msg;
|
|
|
1676
|
|
|
1677 msg.hwnd = hwnd;
|
|
|
1678 msg.message = message;
|
|
|
1679 msg.wParam = wParam;
|
|
|
1680 msg.lParam = lParam;
|
|
|
1681 msg.time = GetMessageTime();
|
|
|
1682 msg.pt = pnt;
|
|
373
|
1683
|
|
|
1684 /* GetKeyboardState() does not work as documented on Win95. We have
|
|
|
1685 * to loosely track Left and Right modifiers on behalf of the OS,
|
|
|
1686 * without screwing up Windows NT which tracks them properly. */
|
|
|
1687 if (wParam == VK_CONTROL)
|
|
|
1688 keymap [(lParam & 0x1000000) ? VK_RCONTROL : VK_LCONTROL] |= 0x80;
|
|
|
1689 else if (wParam == VK_MENU)
|
|
|
1690 keymap [(lParam & 0x1000000) ? VK_RMENU : VK_LMENU] |= 0x80;
|
|
|
1691
|
|
249
|
1692 memcpy (keymap_orig, keymap, 256);
|
|
|
1693
|
|
288
|
1694 /* Remove shift modifier from an ascii character */
|
|
|
1695 mods &= ~MOD_SHIFT;
|
|
|
1696
|
|
373
|
1697 /* Clear control and alt modifiers unless AltGr is pressed */
|
|
249
|
1698 keymap [VK_RCONTROL] = 0;
|
|
|
1699 keymap [VK_LMENU] = 0;
|
|
|
1700 if (!has_AltGr || !(keymap [VK_LCONTROL] & 0x80) || !(keymap [VK_RMENU] & 0x80))
|
|
|
1701 {
|
|
|
1702 keymap [VK_LCONTROL] = 0;
|
|
|
1703 keymap [VK_CONTROL] = 0;
|
|
|
1704 keymap [VK_RMENU] = 0;
|
|
|
1705 keymap [VK_MENU] = 0;
|
|
|
1706 }
|
|
|
1707 SetKeyboardState (keymap);
|
|
|
1708
|
|
373
|
1709 /* Maybe generate some WM_[SYS]CHARs in the queue */
|
|
249
|
1710 TranslateMessage (&msg);
|
|
|
1711
|
|
|
1712 while (PeekMessage (&msg, hwnd, WM_CHAR, WM_CHAR, PM_REMOVE)
|
|
286
|
1713 || PeekMessage (&msg, hwnd, WM_SYSCHAR, WM_SYSCHAR, PM_REMOVE))
|
|
249
|
1714 {
|
|
288
|
1715 int mods1 = mods;
|
|
286
|
1716 WPARAM ch = msg.wParam;
|
|
249
|
1717
|
|
|
1718 /* If a quit char with no modifiers other than control and
|
|
|
1719 shift, then mark it with a fake modifier, which is removed
|
|
|
1720 upon dequeueing the event */
|
|
|
1721 /* #### This might also not withstand localization, if
|
|
|
1722 quit character is not a latin-1 symbol */
|
|
|
1723 if (((quit_ch < ' ' && (mods & MOD_CONTROL) && quit_ch + 'a' - 1 == ch)
|
|
|
1724 || (quit_ch >= ' ' && !(mods & MOD_CONTROL) && quit_ch == ch))
|
|
|
1725 && ((mods & ~(MOD_CONTROL | MOD_SHIFT)) == 0))
|
|
|
1726 {
|
|
288
|
1727 mods1 |= FAKE_MOD_QUIT;
|
|
249
|
1728 ++mswindows_quit_chars_count;
|
|
|
1729 }
|
|
|
1730
|
|
288
|
1731 mswindows_enqueue_keypress_event (hwnd, make_char(ch), mods1);
|
|
249
|
1732 } /* while */
|
|
|
1733 SetKeyboardState (keymap_orig);
|
|
|
1734 } /* else */
|
|
|
1735 }
|
|
288
|
1736 /* F10 causes menu activation by default. We do not want this */
|
|
|
1737 if (wParam != VK_F10)
|
|
|
1738 goto defproc;
|
|
|
1739 break;
|
|
249
|
1740
|
|
|
1741 case WM_MBUTTONDOWN:
|
|
|
1742 case WM_MBUTTONUP:
|
|
|
1743 /* Real middle mouse button has nothing to do with emulated one:
|
|
|
1744 if one wants to exercise fingers playing chords on the mouse,
|
|
|
1745 he is allowed to do that! */
|
|
|
1746 mswindows_enqueue_mouse_button_event (hwnd, message,
|
|
|
1747 MAKEPOINTS (lParam), GetMessageTime());
|
|
|
1748 break;
|
|
|
1749
|
|
|
1750 case WM_LBUTTONUP:
|
|
|
1751 msframe = FRAME_MSWINDOWS_DATA (XFRAME (mswindows_find_frame (hwnd)));
|
|
|
1752 msframe->last_click_time = GetMessageTime();
|
|
|
1753
|
|
|
1754 KillTimer (hwnd, BUTTON_2_TIMER_ID);
|
|
|
1755 msframe->button2_need_lbutton = 0;
|
|
|
1756 if (msframe->ignore_next_lbutton_up)
|
|
|
1757 {
|
|
|
1758 msframe->ignore_next_lbutton_up = 0;
|
|
|
1759 }
|
|
|
1760 else if (msframe->button2_is_down)
|
|
|
1761 {
|
|
|
1762 msframe->button2_is_down = 0;
|
|
|
1763 msframe->ignore_next_rbutton_up = 1;
|
|
|
1764 mswindows_enqueue_mouse_button_event (hwnd, WM_MBUTTONUP,
|
|
|
1765 MAKEPOINTS (lParam), GetMessageTime());
|
|
|
1766 }
|
|
|
1767 else
|
|
|
1768 {
|
|
|
1769 if (msframe->button2_need_rbutton)
|
|
|
1770 {
|
|
|
1771 msframe->button2_need_rbutton = 0;
|
|
|
1772 mswindows_enqueue_mouse_button_event (hwnd, WM_LBUTTONDOWN,
|
|
|
1773 MAKEPOINTS (lParam), GetMessageTime());
|
|
|
1774 }
|
|
|
1775 mswindows_enqueue_mouse_button_event (hwnd, WM_LBUTTONUP,
|
|
|
1776 MAKEPOINTS (lParam), GetMessageTime());
|
|
|
1777 }
|
|
|
1778 break;
|
|
|
1779
|
|
|
1780 case WM_RBUTTONUP:
|
|
|
1781 msframe = FRAME_MSWINDOWS_DATA (XFRAME (mswindows_find_frame (hwnd)));
|
|
|
1782 msframe->last_click_time = GetMessageTime();
|
|
|
1783
|
|
|
1784 KillTimer (hwnd, BUTTON_2_TIMER_ID);
|
|
|
1785 msframe->button2_need_rbutton = 0;
|
|
|
1786 if (msframe->ignore_next_rbutton_up)
|
|
|
1787 {
|
|
|
1788 msframe->ignore_next_rbutton_up = 0;
|
|
|
1789 }
|
|
|
1790 else if (msframe->button2_is_down)
|
|
|
1791 {
|
|
|
1792 msframe->button2_is_down = 0;
|
|
|
1793 msframe->ignore_next_lbutton_up = 1;
|
|
|
1794 mswindows_enqueue_mouse_button_event (hwnd, WM_MBUTTONUP,
|
|
|
1795 MAKEPOINTS (lParam), GetMessageTime());
|
|
|
1796 }
|
|
|
1797 else
|
|
|
1798 {
|
|
|
1799 if (msframe->button2_need_lbutton)
|
|
|
1800 {
|
|
|
1801 msframe->button2_need_lbutton = 0;
|
|
|
1802 mswindows_enqueue_mouse_button_event (hwnd, WM_RBUTTONDOWN,
|
|
|
1803 MAKEPOINTS (lParam), GetMessageTime());
|
|
|
1804 }
|
|
|
1805 mswindows_enqueue_mouse_button_event (hwnd, WM_RBUTTONUP,
|
|
|
1806 MAKEPOINTS (lParam), GetMessageTime());
|
|
|
1807 }
|
|
|
1808 break;
|
|
|
1809
|
|
|
1810 case WM_LBUTTONDOWN:
|
|
|
1811 msframe = FRAME_MSWINDOWS_DATA (XFRAME (mswindows_find_frame (hwnd)));
|
|
|
1812
|
|
|
1813 if (msframe->button2_need_lbutton)
|
|
|
1814 {
|
|
|
1815 KillTimer (hwnd, BUTTON_2_TIMER_ID);
|
|
|
1816 msframe->button2_need_lbutton = 0;
|
|
|
1817 msframe->button2_need_rbutton = 0;
|
|
|
1818 if (mswindows_button2_near_enough (msframe->last_click_point, MAKEPOINTS (lParam)))
|
|
|
1819 {
|
|
|
1820 mswindows_enqueue_mouse_button_event (hwnd, WM_MBUTTONDOWN,
|
|
|
1821 MAKEPOINTS (lParam), GetMessageTime());
|
|
|
1822 msframe->button2_is_down = 1;
|
|
|
1823 }
|
|
|
1824 else
|
|
|
1825 {
|
|
|
1826 mswindows_enqueue_mouse_button_event (hwnd, WM_RBUTTONDOWN,
|
|
|
1827 msframe->last_click_point, msframe->last_click_time);
|
|
|
1828 mswindows_enqueue_mouse_button_event (hwnd, WM_LBUTTONDOWN,
|
|
|
1829 MAKEPOINTS (lParam), GetMessageTime());
|
|
|
1830 }
|
|
|
1831 }
|
|
|
1832 else
|
|
|
1833 {
|
|
|
1834 mswindows_set_chord_timer (hwnd);
|
|
|
1835 msframe->button2_need_rbutton = 1;
|
|
|
1836 msframe->last_click_point = MAKEPOINTS (lParam);
|
|
|
1837 }
|
|
|
1838 msframe->last_click_time = GetMessageTime();
|
|
|
1839 break;
|
|
|
1840
|
|
|
1841 case WM_RBUTTONDOWN:
|
|
|
1842 msframe = FRAME_MSWINDOWS_DATA (XFRAME (mswindows_find_frame (hwnd)));
|
|
|
1843
|
|
|
1844 if (msframe->button2_need_rbutton)
|
|
|
1845 {
|
|
|
1846 KillTimer (hwnd, BUTTON_2_TIMER_ID);
|
|
|
1847 msframe->button2_need_lbutton = 0;
|
|
|
1848 msframe->button2_need_rbutton = 0;
|
|
|
1849 if (mswindows_button2_near_enough (msframe->last_click_point, MAKEPOINTS (lParam)))
|
|
|
1850 {
|
|
|
1851 mswindows_enqueue_mouse_button_event (hwnd, WM_MBUTTONDOWN,
|
|
|
1852 MAKEPOINTS (lParam), GetMessageTime());
|
|
|
1853 msframe->button2_is_down = 1;
|
|
|
1854 }
|
|
|
1855 else
|
|
|
1856 {
|
|
|
1857 mswindows_enqueue_mouse_button_event (hwnd, WM_LBUTTONDOWN,
|
|
|
1858 msframe->last_click_point, msframe->last_click_time);
|
|
|
1859 mswindows_enqueue_mouse_button_event (hwnd, WM_RBUTTONDOWN,
|
|
|
1860 MAKEPOINTS (lParam), GetMessageTime());
|
|
|
1861 }
|
|
|
1862 }
|
|
|
1863 else
|
|
|
1864 {
|
|
|
1865 mswindows_set_chord_timer (hwnd);
|
|
|
1866 msframe->button2_need_lbutton = 1;
|
|
|
1867 msframe->last_click_point = MAKEPOINTS (lParam);
|
|
|
1868 }
|
|
|
1869 msframe->last_click_time = GetMessageTime();
|
|
|
1870 break;
|
|
|
1871
|
|
|
1872 case WM_TIMER:
|
|
|
1873 if (wParam == BUTTON_2_TIMER_ID)
|
|
|
1874 {
|
|
|
1875 msframe = FRAME_MSWINDOWS_DATA (XFRAME (mswindows_find_frame (hwnd)));
|
|
|
1876 KillTimer (hwnd, BUTTON_2_TIMER_ID);
|
|
|
1877
|
|
|
1878 if (msframe->button2_need_lbutton)
|
|
|
1879 {
|
|
|
1880 msframe->button2_need_lbutton = 0;
|
|
|
1881 mswindows_enqueue_mouse_button_event (hwnd, WM_RBUTTONDOWN,
|
|
|
1882 msframe->last_click_point, msframe->last_click_time);
|
|
|
1883 }
|
|
|
1884 else if (msframe->button2_need_rbutton)
|
|
|
1885 {
|
|
|
1886 msframe->button2_need_rbutton = 0;
|
|
|
1887 mswindows_enqueue_mouse_button_event (hwnd, WM_LBUTTONDOWN,
|
|
|
1888 msframe->last_click_point, msframe->last_click_time);
|
|
|
1889 }
|
|
|
1890 }
|
|
|
1891 else
|
|
|
1892 assert ("Spurious timer fired" == 0);
|
|
|
1893 break;
|
|
|
1894
|
|
|
1895 case WM_MOUSEMOVE:
|
|
380
|
1896 /* Optimization: don't report mouse movement while size is changing */
|
|
249
|
1897 msframe = FRAME_MSWINDOWS_DATA (XFRAME (mswindows_find_frame (hwnd)));
|
|
|
1898 if (!msframe->sizing)
|
|
|
1899 {
|
|
|
1900 /* When waiting for the second mouse button to finish
|
|
|
1901 button2 emulation, and have moved too far, just pretend
|
|
380
|
1902 as if timer has expired. This improves drag-select feedback */
|
|
249
|
1903 if ((msframe->button2_need_lbutton || msframe->button2_need_rbutton)
|
|
|
1904 && !mswindows_button2_near_enough (msframe->last_click_point,
|
|
|
1905 MAKEPOINTS (lParam)))
|
|
|
1906 {
|
|
|
1907 KillTimer (hwnd, BUTTON_2_TIMER_ID);
|
|
|
1908 SendMessage (hwnd, WM_TIMER, BUTTON_2_TIMER_ID, 0);
|
|
|
1909 }
|
|
|
1910
|
|
|
1911 emacs_event = Fmake_event (Qnil, Qnil);
|
|
|
1912 event = XEVENT(emacs_event);
|
|
|
1913
|
|
|
1914 event->channel = mswindows_find_frame(hwnd);
|
|
|
1915 event->timestamp = GetMessageTime();
|
|
|
1916 event->event_type = pointer_motion_event;
|
|
|
1917 event->event.motion.x = MAKEPOINTS(lParam).x;
|
|
|
1918 event->event.motion.y = MAKEPOINTS(lParam).y;
|
|
|
1919 event->event.motion.modifiers = mswindows_modifier_state (NULL, 0);
|
|
|
1920
|
|
|
1921 mswindows_enqueue_dispatch_event (emacs_event);
|
|
|
1922 }
|
|
|
1923 break;
|
|
|
1924
|
|
290
|
1925 case WM_CANCELMODE:
|
|
|
1926 ReleaseCapture ();
|
|
|
1927 /* Queue a `cancel-mode-internal' misc user event, so mouse
|
|
|
1928 selection would be canceled if any */
|
|
|
1929 mswindows_enqueue_misc_user_event (mswindows_find_frame (hwnd),
|
|
|
1930 Qcancel_mode_internal, Qnil);
|
|
|
1931 break;
|
|
|
1932
|
|
278
|
1933 #ifdef HAVE_TOOLBARS
|
|
|
1934 case WM_NOTIFY:
|
|
|
1935 {
|
|
|
1936 LPTOOLTIPTEXT tttext = (LPTOOLTIPTEXT)lParam;
|
|
|
1937 Lisp_Object btext;
|
|
|
1938 if (tttext->hdr.code == TTN_NEEDTEXT)
|
|
|
1939 {
|
|
|
1940 /* find out which toolbar */
|
|
|
1941 frame = XFRAME (mswindows_find_frame (hwnd));
|
|
|
1942 btext = mswindows_get_toolbar_button_text ( frame,
|
|
|
1943 tttext->hdr.idFrom );
|
|
|
1944
|
|
|
1945 tttext->lpszText = NULL;
|
|
|
1946 tttext->hinst = NULL;
|
|
|
1947
|
|
|
1948 if (!NILP(btext))
|
|
|
1949 {
|
|
288
|
1950 /* I think this is safe since the text will only go away
|
|
|
1951 when the toolbar does...*/
|
|
384
|
1952 GET_C_STRING_EXT_DATA_ALLOCA (btext, FORMAT_OS,
|
|
|
1953 tttext->lpszText);
|
|
278
|
1954 }
|
|
|
1955 #if 0
|
|
|
1956 tttext->uFlags |= TTF_DI_SETITEM;
|
|
|
1957 #endif
|
|
|
1958 }
|
|
|
1959 }
|
|
|
1960 break;
|
|
|
1961 #endif
|
|
|
1962
|
|
249
|
1963 case WM_PAINT:
|
|
|
1964 {
|
|
|
1965 PAINTSTRUCT paintStruct;
|
|
|
1966
|
|
|
1967 frame = XFRAME (mswindows_find_frame (hwnd));
|
|
|
1968
|
|
|
1969 BeginPaint (hwnd, &paintStruct);
|
|
|
1970 mswindows_redraw_exposed_area (frame,
|
|
|
1971 paintStruct.rcPaint.left, paintStruct.rcPaint.top,
|
|
|
1972 paintStruct.rcPaint.right, paintStruct.rcPaint.bottom);
|
|
|
1973 EndPaint (hwnd, &paintStruct);
|
|
|
1974 }
|
|
|
1975 break;
|
|
|
1976
|
|
|
1977 case WM_SIZE:
|
|
|
1978 /* We only care about this message if our size has really changed */
|
|
|
1979 if (wParam==SIZE_RESTORED || wParam==SIZE_MAXIMIZED || wParam==SIZE_MINIMIZED)
|
|
|
1980 {
|
|
|
1981 RECT rect;
|
|
|
1982 int columns, rows;
|
|
|
1983
|
|
|
1984 fobj = mswindows_find_frame (hwnd);
|
|
|
1985 frame = XFRAME (fobj);
|
|
|
1986 msframe = FRAME_MSWINDOWS_DATA (frame);
|
|
|
1987
|
|
|
1988 /* We cannot handle frame map and unmap hooks right in
|
|
|
1989 this routine, because these may throw. We queue
|
|
|
1990 magic events to run these hooks instead - kkm */
|
|
|
1991
|
|
|
1992 if (wParam==SIZE_MINIMIZED)
|
|
|
1993 {
|
|
|
1994 /* Iconified */
|
|
294
|
1995 FRAME_VISIBLE_P (frame) = 0;
|
|
249
|
1996 mswindows_enqueue_magic_event (hwnd, XM_UNMAPFRAME);
|
|
|
1997 }
|
|
|
1998 else
|
|
|
1999 {
|
|
|
2000 GetClientRect(hwnd, &rect);
|
|
|
2001 FRAME_PIXWIDTH(frame) = rect.right;
|
|
|
2002 FRAME_PIXHEIGHT(frame) = rect.bottom;
|
|
269
|
2003
|
|
|
2004 pixel_to_real_char_size (frame, rect.right, rect.bottom,
|
|
274
|
2005 &FRAME_MSWINDOWS_CHARWIDTH (frame),
|
|
|
2006 &FRAME_MSWINDOWS_CHARHEIGHT (frame));
|
|
269
|
2007
|
|
249
|
2008 pixel_to_char_size (frame, rect.right, rect.bottom, &columns, &rows);
|
|
|
2009 change_frame_size (frame, rows, columns, 1);
|
|
|
2010
|
|
269
|
2011 /* If we are inside frame creation, we have to apply geometric
|
|
|
2012 properties now. */
|
|
294
|
2013 if (FRAME_MSWINDOWS_TARGET_RECT (frame))
|
|
269
|
2014 {
|
|
|
2015 /* Yes, we have to size again */
|
|
294
|
2016 mswindows_size_frame_internal ( frame,
|
|
|
2017 FRAME_MSWINDOWS_TARGET_RECT
|
|
|
2018 (frame));
|
|
298
|
2019 /* Reset so we do not get here again. The SetWindowPos call in
|
|
|
2020 * mswindows_size_frame_internal can cause recursion here. */
|
|
|
2021 if (FRAME_MSWINDOWS_TARGET_RECT (frame))
|
|
|
2022 {
|
|
|
2023 xfree (FRAME_MSWINDOWS_TARGET_RECT (frame));
|
|
|
2024 FRAME_MSWINDOWS_TARGET_RECT (frame) = 0;
|
|
|
2025 }
|
|
269
|
2026 }
|
|
|
2027 else
|
|
|
2028 {
|
|
|
2029 if (!msframe->sizing && !FRAME_VISIBLE_P (frame))
|
|
|
2030 mswindows_enqueue_magic_event (hwnd, XM_MAPFRAME);
|
|
|
2031 FRAME_VISIBLE_P (frame) = 1;
|
|
|
2032
|
|
|
2033 if (!msframe->sizing || mswindows_dynamic_frame_resize)
|
|
|
2034 redisplay ();
|
|
|
2035 }
|
|
249
|
2036 }
|
|
|
2037 }
|
|
|
2038 break;
|
|
|
2039
|
|
|
2040 /* Misc magic events which only require that the frame be identified */
|
|
|
2041 case WM_SETFOCUS:
|
|
|
2042 case WM_KILLFOCUS:
|
|
|
2043 mswindows_enqueue_magic_event (hwnd, message);
|
|
|
2044 break;
|
|
|
2045
|
|
|
2046 case WM_WINDOWPOSCHANGING:
|
|
|
2047 {
|
|
|
2048 WINDOWPOS *wp = (LPWINDOWPOS) lParam;
|
|
|
2049 WINDOWPLACEMENT wpl = { sizeof(WINDOWPLACEMENT) };
|
|
|
2050 GetWindowPlacement(hwnd, &wpl);
|
|
|
2051
|
|
|
2052 /* Only interested if size is changing and we're not being iconified */
|
|
269
|
2053 if (wpl.showCmd != SW_SHOWMINIMIZED
|
|
|
2054 && wpl.showCmd != SW_SHOWMAXIMIZED
|
|
|
2055 && !(wp->flags & SWP_NOSIZE))
|
|
249
|
2056 {
|
|
|
2057 RECT ncsize = { 0, 0, 0, 0 };
|
|
|
2058 int pixwidth, pixheight;
|
|
|
2059 AdjustWindowRectEx (&ncsize, GetWindowLong (hwnd, GWL_STYLE),
|
|
|
2060 GetMenu(hwnd) != NULL,
|
|
|
2061 GetWindowLong (hwnd, GWL_EXSTYLE));
|
|
|
2062
|
|
269
|
2063 round_size_to_real_char (XFRAME (mswindows_find_frame (hwnd)),
|
|
|
2064 wp->cx - (ncsize.right - ncsize.left),
|
|
|
2065 wp->cy - (ncsize.bottom - ncsize.top),
|
|
|
2066 &pixwidth, &pixheight);
|
|
249
|
2067
|
|
|
2068 /* Convert client sizes to window sizes */
|
|
|
2069 pixwidth += (ncsize.right - ncsize.left);
|
|
|
2070 pixheight += (ncsize.bottom - ncsize.top);
|
|
|
2071
|
|
|
2072 if (wpl.showCmd != SW_SHOWMAXIMIZED)
|
|
|
2073 {
|
|
|
2074 /* Adjust so that the bottom or right doesn't move if it's
|
|
|
2075 * the top or left that's being changed */
|
|
|
2076 RECT rect;
|
|
|
2077 GetWindowRect (hwnd, &rect);
|
|
|
2078
|
|
|
2079 if (rect.left != wp->x)
|
|
|
2080 wp->x += wp->cx - pixwidth;
|
|
|
2081 if (rect.top != wp->y)
|
|
|
2082 wp->y += wp->cy - pixheight;
|
|
|
2083 }
|
|
|
2084
|
|
|
2085 wp->cx = pixwidth;
|
|
|
2086 wp->cy = pixheight;
|
|
|
2087 }
|
|
269
|
2088 /* DefWindowProc sends useful WM_GETMINMAXINFO message, and adjusts
|
|
|
2089 window position if the user tries to track window too small */
|
|
249
|
2090 }
|
|
269
|
2091 goto defproc;
|
|
249
|
2092
|
|
|
2093 case WM_ENTERSIZEMOVE:
|
|
|
2094 msframe = FRAME_MSWINDOWS_DATA (XFRAME (mswindows_find_frame (hwnd)));
|
|
|
2095 msframe->sizing = 1;
|
|
|
2096 return 0;
|
|
|
2097
|
|
|
2098 case WM_EXITSIZEMOVE:
|
|
|
2099 msframe = FRAME_MSWINDOWS_DATA (XFRAME (mswindows_find_frame (hwnd)));
|
|
|
2100 msframe->sizing = 0;
|
|
|
2101 /* Queue noop event */
|
|
288
|
2102 mswindows_enqueue_magic_event (NULL, XM_BUMPQUEUE);
|
|
249
|
2103 return 0;
|
|
|
2104
|
|
|
2105 #ifdef HAVE_SCROLLBARS
|
|
|
2106 case WM_VSCROLL:
|
|
|
2107 case WM_HSCROLL:
|
|
|
2108 {
|
|
|
2109 /* Direction of scroll is determined by scrollbar instance. */
|
|
|
2110 int code = (int) LOWORD(wParam);
|
|
|
2111 int pos = (short int) HIWORD(wParam);
|
|
|
2112 HWND hwndScrollBar = (HWND) lParam;
|
|
|
2113 struct gcpro gcpro1, gcpro2;
|
|
|
2114
|
|
|
2115 mswindows_handle_scrollbar_event (hwndScrollBar, code, pos);
|
|
|
2116 GCPRO2 (emacs_event, fobj);
|
|
|
2117 if (UNBOUNDP(mswindows_pump_outstanding_events())) /* Can GC */
|
|
|
2118 {
|
|
|
2119 /* Error during event pumping - cancel scroll */
|
|
|
2120 SendMessage (hwndScrollBar, WM_CANCELMODE, 0, 0);
|
|
|
2121 }
|
|
|
2122 UNGCPRO;
|
|
|
2123 break;
|
|
|
2124 }
|
|
|
2125 #endif
|
|
|
2126
|
|
|
2127 #ifdef HAVE_MENUBARS
|
|
|
2128 case WM_INITMENU:
|
|
|
2129 if (UNBOUNDP (mswindows_handle_wm_initmenu (
|
|
|
2130 (HMENU) wParam,
|
|
|
2131 XFRAME (mswindows_find_frame (hwnd)))))
|
|
|
2132 SendMessage (hwnd, WM_CANCELMODE, 0, 0);
|
|
|
2133 break;
|
|
|
2134
|
|
|
2135 case WM_INITMENUPOPUP:
|
|
|
2136 if (!HIWORD(lParam))
|
|
|
2137 {
|
|
|
2138 if (UNBOUNDP (mswindows_handle_wm_initmenupopup (
|
|
|
2139 (HMENU) wParam,
|
|
|
2140 XFRAME (mswindows_find_frame (hwnd)))))
|
|
|
2141 SendMessage (hwnd, WM_CANCELMODE, 0, 0);
|
|
|
2142 }
|
|
|
2143 break;
|
|
|
2144
|
|
|
2145 #endif /* HAVE_MENUBARS */
|
|
|
2146
|
|
|
2147 case WM_COMMAND:
|
|
|
2148 {
|
|
|
2149 WORD id = LOWORD (wParam);
|
|
384
|
2150 WORD nid = HIWORD (wParam);
|
|
278
|
2151 HWND cid = (HWND)lParam;
|
|
249
|
2152 frame = XFRAME (mswindows_find_frame (hwnd));
|
|
|
2153
|
|
276
|
2154 #ifdef HAVE_TOOLBARS
|
|
278
|
2155 if (!NILP (mswindows_handle_toolbar_wm_command (frame, cid, id)))
|
|
276
|
2156 break;
|
|
|
2157 #endif
|
|
384
|
2158 /* widgets in a buffer only eval a callback for suitable events.*/
|
|
|
2159 switch (nid)
|
|
|
2160 {
|
|
|
2161 case BN_CLICKED:
|
|
|
2162 case EN_CHANGE:
|
|
|
2163 case CBN_EDITCHANGE:
|
|
|
2164 case CBN_SELCHANGE:
|
|
|
2165 if (!NILP (mswindows_handle_gui_wm_command (frame, cid, id)))
|
|
|
2166 return 0;
|
|
|
2167 }
|
|
|
2168 /* menubars always must come last since the hashtables do not
|
|
|
2169 always exist*/
|
|
249
|
2170 #ifdef HAVE_MENUBARS
|
|
|
2171 if (!NILP (mswindows_handle_wm_command (frame, id)))
|
|
|
2172 break;
|
|
|
2173 #endif
|
|
|
2174
|
|
384
|
2175 return DefWindowProc (hwnd, message, wParam, lParam);
|
|
|
2176 /* Bite me - a spurious command. This used to not be able to
|
|
|
2177 happen but with the introduction of widgets its now
|
|
|
2178 possible. */
|
|
249
|
2179 }
|
|
|
2180 break;
|
|
|
2181
|
|
384
|
2182 case WM_CTLCOLORBTN:
|
|
|
2183 case WM_CTLCOLORLISTBOX:
|
|
|
2184 case WM_CTLCOLOREDIT:
|
|
|
2185 case WM_CTLCOLORSTATIC:
|
|
|
2186 case WM_CTLCOLORSCROLLBAR:
|
|
|
2187 {
|
|
|
2188 /* if we get an opportunity to paint a widget then do so if
|
|
|
2189 there is an appropriate face */
|
|
|
2190 HWND crtlwnd = (HWND)lParam;
|
|
|
2191 LONG ii = GetWindowLong (crtlwnd, GWL_USERDATA);
|
|
|
2192 if (ii)
|
|
|
2193 {
|
|
|
2194 Lisp_Object image_instance;
|
|
|
2195 VOID_TO_LISP (image_instance, ii);
|
|
|
2196 if (IMAGE_INSTANCEP (image_instance)
|
|
|
2197 &&
|
|
|
2198 IMAGE_INSTANCE_TYPE_P (image_instance, IMAGE_WIDGET)
|
|
|
2199 &&
|
|
|
2200 !NILP (XIMAGE_INSTANCE_WIDGET_FACE (image_instance)))
|
|
|
2201 {
|
|
|
2202 /* set colors for the buttons */
|
|
|
2203 HDC hdc = (HDC)wParam;
|
|
|
2204 if (last_widget_brushed != ii)
|
|
|
2205 {
|
|
|
2206 if (widget_brush)
|
|
|
2207 DeleteObject (widget_brush);
|
|
|
2208 widget_brush = CreateSolidBrush
|
|
|
2209 (COLOR_INSTANCE_MSWINDOWS_COLOR
|
|
|
2210 (XCOLOR_INSTANCE
|
|
|
2211 (FACE_BACKGROUND
|
|
|
2212 (XIMAGE_INSTANCE_WIDGET_FACE (image_instance),
|
|
|
2213 XIMAGE_INSTANCE_SUBWINDOW_FRAME (image_instance)))));
|
|
|
2214 }
|
|
|
2215 last_widget_brushed = ii;
|
|
|
2216 SetTextColor
|
|
|
2217 (hdc,
|
|
|
2218 COLOR_INSTANCE_MSWINDOWS_COLOR
|
|
|
2219 (XCOLOR_INSTANCE
|
|
|
2220 (FACE_FOREGROUND
|
|
|
2221 (XIMAGE_INSTANCE_WIDGET_FACE (image_instance),
|
|
|
2222 XIMAGE_INSTANCE_SUBWINDOW_FRAME (image_instance)))));
|
|
|
2223 SetBkMode (hdc, OPAQUE);
|
|
|
2224 SetBkColor
|
|
|
2225 (hdc,
|
|
|
2226 COLOR_INSTANCE_MSWINDOWS_COLOR
|
|
|
2227 (XCOLOR_INSTANCE
|
|
|
2228 (FACE_BACKGROUND
|
|
|
2229 (XIMAGE_INSTANCE_WIDGET_FACE (image_instance),
|
|
|
2230 XIMAGE_INSTANCE_SUBWINDOW_FRAME (image_instance)))));
|
|
|
2231 return (LRESULT)widget_brush;
|
|
|
2232 }
|
|
|
2233 }
|
|
|
2234 }
|
|
|
2235 goto defproc;
|
|
|
2236
|
|
284
|
2237 #ifdef HAVE_DRAGNDROP
|
|
249
|
2238 case WM_DROPFILES: /* implementation ripped-off from event-Xt.c */
|
|
|
2239 {
|
|
|
2240 UINT filecount, i, len;
|
|
|
2241 POINT point;
|
|
282
|
2242 char* filename;
|
|
259
|
2243 #ifdef __CYGWIN32__
|
|
|
2244 char* fname;
|
|
|
2245 #endif
|
|
282
|
2246 Lisp_Object l_dndlist = Qnil, l_item = Qnil;
|
|
|
2247 struct gcpro gcpro1, gcpro2, gcpro3;
|
|
249
|
2248
|
|
|
2249 emacs_event = Fmake_event (Qnil, Qnil);
|
|
|
2250 event = XEVENT(emacs_event);
|
|
|
2251
|
|
282
|
2252 GCPRO3 (emacs_event, l_dndlist, l_item);
|
|
|
2253
|
|
249
|
2254 if (!DragQueryPoint ((HANDLE) wParam, &point))
|
|
|
2255 point.x = point.y = -1; /* outside client area */
|
|
|
2256
|
|
282
|
2257 event->event_type = misc_user_event;
|
|
|
2258 event->channel = mswindows_find_frame(hwnd);
|
|
|
2259 event->timestamp = GetMessageTime();
|
|
|
2260 event->event.misc.button = 1; /* #### Should try harder */
|
|
|
2261 event->event.misc.modifiers = mswindows_modifier_state (NULL, 0);
|
|
|
2262 event->event.misc.x = point.x;
|
|
|
2263 event->event.misc.y = point.y;
|
|
|
2264 event->event.misc.function = Qdragdrop_drop_dispatch;
|
|
|
2265
|
|
|
2266 filecount = DragQueryFile ((HANDLE) wParam, 0xffffffff, NULL, 0);
|
|
|
2267 for (i=0; i<filecount; i++)
|
|
249
|
2268 {
|
|
282
|
2269 len = DragQueryFile ((HANDLE) wParam, i, NULL, 0);
|
|
|
2270 /* The URLs that we make here aren't correct according to section
|
|
|
2271 * 3.10 of rfc1738 because they're missing the //<host>/ part and
|
|
|
2272 * because they may contain reserved characters. But that's OK. */
|
|
259
|
2273 #ifdef __CYGWIN32__
|
|
282
|
2274 fname = (char *)xmalloc (len+1);
|
|
|
2275 DragQueryFile ((HANDLE) wParam, i, fname, len+1);
|
|
|
2276 filename = xmalloc (cygwin32_win32_to_posix_path_list_buf_size (fname) + 5);
|
|
|
2277 strcpy (filename, "file:");
|
|
|
2278 cygwin32_win32_to_posix_path_list (fname, filename+5);
|
|
|
2279 xfree (fname);
|
|
259
|
2280 #else
|
|
282
|
2281 filename = (char *)xmalloc (len+6);
|
|
|
2282 strcpy (filename, "file:");
|
|
|
2283 DragQueryFile ((HANDLE) wParam, i, filename+5, len+1);
|
|
|
2284 dostounix_filename (filename+5);
|
|
259
|
2285 #endif
|
|
282
|
2286 l_item = make_string (filename, strlen (filename));
|
|
|
2287 l_dndlist = Fcons (l_item, l_dndlist);
|
|
|
2288 xfree (filename);
|
|
249
|
2289 }
|
|
|
2290 DragFinish ((HANDLE) wParam);
|
|
|
2291
|
|
282
|
2292 event->event.misc.object = Fcons (Qdragdrop_URL, l_dndlist);
|
|
249
|
2293 mswindows_enqueue_dispatch_event (emacs_event);
|
|
282
|
2294 UNGCPRO;
|
|
249
|
2295 }
|
|
|
2296 break;
|
|
284
|
2297 #endif
|
|
282
|
2298
|
|
249
|
2299 defproc:
|
|
|
2300 default:
|
|
|
2301 return DefWindowProc (hwnd, message, wParam, lParam);
|
|
|
2302 }
|
|
|
2303 return (0);
|
|
|
2304 }
|
|
|
2305
|
|
|
2306
|
|
|
2307 /************************************************************************/
|
|
|
2308 /* keyboard, mouse & other helpers for the windows procedure */
|
|
|
2309 /************************************************************************/
|
|
|
2310 static void
|
|
|
2311 mswindows_set_chord_timer (HWND hwnd)
|
|
|
2312 {
|
|
|
2313 int interval;
|
|
|
2314
|
|
269
|
2315 /* We get one third half system double click threshold */
|
|
272
|
2316 if (mswindows_mouse_button_tolerance <= 0)
|
|
269
|
2317 interval = GetDoubleClickTime () / 3;
|
|
249
|
2318 else
|
|
272
|
2319 interval = mswindows_mouse_button_tolerance;
|
|
249
|
2320
|
|
|
2321 SetTimer (hwnd, BUTTON_2_TIMER_ID, interval, 0);
|
|
|
2322 }
|
|
|
2323
|
|
|
2324 static int
|
|
|
2325 mswindows_button2_near_enough (POINTS p1, POINTS p2)
|
|
|
2326 {
|
|
|
2327 int dx, dy;
|
|
272
|
2328 if (mswindows_mouse_button_max_skew_x <= 0)
|
|
249
|
2329 dx = GetSystemMetrics (SM_CXDOUBLECLK) / 2;
|
|
|
2330 else
|
|
272
|
2331 dx = mswindows_mouse_button_max_skew_x;
|
|
249
|
2332
|
|
272
|
2333 if (mswindows_mouse_button_max_skew_y <= 0)
|
|
249
|
2334 dy = GetSystemMetrics (SM_CYDOUBLECLK) / 2;
|
|
|
2335 else
|
|
272
|
2336 dy = mswindows_mouse_button_max_skew_y;
|
|
249
|
2337
|
|
|
2338 return abs (p1.x - p2.x) < dx && abs (p1.y- p2.y)< dy;
|
|
|
2339 }
|
|
|
2340
|
|
|
2341 static int
|
|
|
2342 mswindows_current_layout_has_AltGr (void)
|
|
|
2343 {
|
|
|
2344 /* This simple caching mechanism saves 10% of CPU
|
|
|
2345 time when a key typed at autorepeat rate of 30 cps! */
|
|
|
2346 static HKL last_hkl = 0;
|
|
|
2347 static int last_hkl_has_AltGr;
|
|
|
2348
|
|
|
2349 HKL current_hkl = GetKeyboardLayout (0);
|
|
|
2350 if (current_hkl != last_hkl)
|
|
|
2351 {
|
|
|
2352 TCHAR c;
|
|
|
2353 last_hkl_has_AltGr = 0;
|
|
|
2354 /* In this loop, we query whether a character requires
|
|
|
2355 AltGr to be down to generate it. If at least such one
|
|
|
2356 found, this means that the layout does regard AltGr */
|
|
|
2357 for (c = ' '; c <= 0xFFU && c != 0 && !last_hkl_has_AltGr; ++c)
|
|
|
2358 if (HIBYTE (VkKeyScan (c)) == 6)
|
|
|
2359 last_hkl_has_AltGr = 1;
|
|
|
2360 last_hkl = current_hkl;
|
|
|
2361 }
|
|
|
2362 return last_hkl_has_AltGr;
|
|
|
2363 }
|
|
|
2364
|
|
|
2365
|
|
|
2366 /* Returns the state of the modifier keys in the format expected by the
|
|
|
2367 * Lisp_Event key_data, button_data and motion_data modifiers member */
|
|
|
2368 int mswindows_modifier_state (BYTE* keymap, int has_AltGr)
|
|
|
2369 {
|
|
|
2370 int mods = 0;
|
|
|
2371
|
|
|
2372 if (keymap == NULL)
|
|
|
2373 {
|
|
|
2374 keymap = (BYTE*) alloca(256);
|
|
|
2375 GetKeyboardState (keymap);
|
|
|
2376 has_AltGr = mswindows_current_layout_has_AltGr ();
|
|
|
2377 }
|
|
|
2378
|
|
|
2379 if (has_AltGr && (keymap [VK_LCONTROL] & 0x80) && (keymap [VK_RMENU] & 0x80))
|
|
|
2380 {
|
|
|
2381 mods |= (keymap [VK_LMENU] & 0x80) ? MOD_META : 0;
|
|
|
2382 mods |= (keymap [VK_RCONTROL] & 0x80) ? MOD_CONTROL : 0;
|
|
|
2383 }
|
|
|
2384 else
|
|
|
2385 {
|
|
|
2386 mods |= (keymap [VK_MENU] & 0x80) ? MOD_META : 0;
|
|
|
2387 mods |= (keymap [VK_CONTROL] & 0x80) ? MOD_CONTROL : 0;
|
|
|
2388 }
|
|
|
2389
|
|
|
2390 mods |= (keymap [VK_SHIFT] & 0x80) ? MOD_SHIFT : 0;
|
|
|
2391
|
|
|
2392 return mods;
|
|
|
2393 }
|
|
|
2394
|
|
|
2395 /*
|
|
|
2396 * Translate a mswindows virtual key to a keysym.
|
|
|
2397 * Only returns non-Qnil for keys that don't generate WM_CHAR messages
|
|
|
2398 * or whose ASCII codes (like space) xemacs doesn't like.
|
|
371
|
2399 * Virtual key values are defined in winresrc.h
|
|
|
2400 * XXX I'm not sure that KEYSYM("name") is the best thing to use here.
|
|
249
|
2401 */
|
|
371
|
2402 Lisp_Object mswindows_key_to_emacs_keysym(int mswindows_key, int mods)
|
|
249
|
2403 {
|
|
371
|
2404 switch (mswindows_key)
|
|
|
2405 {
|
|
|
2406 /* First the predefined ones */
|
|
|
2407 case VK_BACK: return QKbackspace;
|
|
|
2408 case VK_TAB: return QKtab;
|
|
|
2409 case '\n': return QKlinefeed; /* No VK_LINEFEED in winresrc.h */
|
|
|
2410 case VK_RETURN: return QKreturn;
|
|
|
2411 case VK_ESCAPE: return QKescape;
|
|
|
2412 case VK_SPACE: return QKspace;
|
|
|
2413 case VK_DELETE: return QKdelete;
|
|
|
2414
|
|
|
2415 /* The rest */
|
|
|
2416 case VK_CLEAR: return KEYSYM ("clear"); /* Should do ^L ? */
|
|
|
2417 case VK_PRIOR: return KEYSYM ("prior");
|
|
|
2418 case VK_NEXT: return KEYSYM ("next");
|
|
|
2419 case VK_END: return KEYSYM ("end");
|
|
|
2420 case VK_HOME: return KEYSYM ("home");
|
|
|
2421 case VK_LEFT: return KEYSYM ("left");
|
|
|
2422 case VK_UP: return KEYSYM ("up");
|
|
|
2423 case VK_RIGHT: return KEYSYM ("right");
|
|
|
2424 case VK_DOWN: return KEYSYM ("down");
|
|
|
2425 case VK_SELECT: return KEYSYM ("select");
|
|
|
2426 case VK_PRINT: return KEYSYM ("print");
|
|
|
2427 case VK_EXECUTE: return KEYSYM ("execute");
|
|
|
2428 case VK_SNAPSHOT: return KEYSYM ("print");
|
|
|
2429 case VK_INSERT: return KEYSYM ("insert");
|
|
|
2430 case VK_HELP: return KEYSYM ("help");
|
|
|
2431 #if 0 /* XXX What are these supposed to do? */
|
|
|
2432 case VK_LWIN return KEYSYM ("");
|
|
|
2433 case VK_RWIN return KEYSYM ("");
|
|
367
|
2434 #endif
|
|
371
|
2435 case VK_APPS: return KEYSYM ("menu");
|
|
|
2436 case VK_F1: return KEYSYM ("f1");
|
|
|
2437 case VK_F2: return KEYSYM ("f2");
|
|
|
2438 case VK_F3: return KEYSYM ("f3");
|
|
|
2439 case VK_F4: return KEYSYM ("f4");
|
|
|
2440 case VK_F5: return KEYSYM ("f5");
|
|
|
2441 case VK_F6: return KEYSYM ("f6");
|
|
|
2442 case VK_F7: return KEYSYM ("f7");
|
|
|
2443 case VK_F8: return KEYSYM ("f8");
|
|
|
2444 case VK_F9: return KEYSYM ("f9");
|
|
|
2445 case VK_F10: return KEYSYM ("f10");
|
|
|
2446 case VK_F11: return KEYSYM ("f11");
|
|
|
2447 case VK_F12: return KEYSYM ("f12");
|
|
|
2448 case VK_F13: return KEYSYM ("f13");
|
|
|
2449 case VK_F14: return KEYSYM ("f14");
|
|
|
2450 case VK_F15: return KEYSYM ("f15");
|
|
|
2451 case VK_F16: return KEYSYM ("f16");
|
|
|
2452 case VK_F17: return KEYSYM ("f17");
|
|
|
2453 case VK_F18: return KEYSYM ("f18");
|
|
|
2454 case VK_F19: return KEYSYM ("f19");
|
|
|
2455 case VK_F20: return KEYSYM ("f20");
|
|
|
2456 case VK_F21: return KEYSYM ("f21");
|
|
|
2457 case VK_F22: return KEYSYM ("f22");
|
|
|
2458 case VK_F23: return KEYSYM ("f23");
|
|
|
2459 case VK_F24: return KEYSYM ("f24");
|
|
|
2460 }
|
|
249
|
2461 return Qnil;
|
|
|
2462 }
|
|
|
2463
|
|
|
2464 /*
|
|
|
2465 * Find the console that matches the supplied mswindows window handle
|
|
|
2466 */
|
|
|
2467 Lisp_Object
|
|
|
2468 mswindows_find_console (HWND hwnd)
|
|
|
2469 {
|
|
274
|
2470 /* We only support one console */
|
|
|
2471 return XCAR (Vconsole_list);
|
|
249
|
2472 }
|
|
|
2473
|
|
|
2474 /*
|
|
|
2475 * Find the frame that matches the supplied mswindows window handle
|
|
|
2476 */
|
|
|
2477 static Lisp_Object
|
|
|
2478 mswindows_find_frame (HWND hwnd)
|
|
|
2479 {
|
|
269
|
2480 LONG l = GetWindowLong (hwnd, XWL_FRAMEOBJ);
|
|
|
2481 Lisp_Object f;
|
|
|
2482 if (l == 0)
|
|
|
2483 {
|
|
|
2484 /* We are in progress of frame creation. Return the frame
|
|
|
2485 being created, as it still not remembered in the window
|
|
|
2486 extra storage. */
|
|
276
|
2487 assert (!NILP (Vmswindows_frame_being_created));
|
|
|
2488 return Vmswindows_frame_being_created;
|
|
269
|
2489 }
|
|
|
2490 VOID_TO_LISP (f, l);
|
|
|
2491 return f;
|
|
249
|
2492 }
|
|
|
2493
|
|
213
|
2494
|
|
|
2495 /************************************************************************/
|
|
|
2496 /* methods */
|
|
|
2497 /************************************************************************/
|
|
|
2498
|
|
|
2499 static int
|
|
|
2500 emacs_mswindows_add_timeout (EMACS_TIME thyme)
|
|
|
2501 {
|
|
223
|
2502 int milliseconds;
|
|
213
|
2503 EMACS_TIME current_time;
|
|
|
2504 EMACS_GET_TIME (current_time);
|
|
|
2505 EMACS_SUB_TIME (thyme, thyme, current_time);
|
|
223
|
2506 milliseconds = EMACS_SECS (thyme) * 1000 +
|
|
|
2507 (EMACS_USECS (thyme) + 500) / 1000;
|
|
213
|
2508 if (milliseconds < 1)
|
|
|
2509 milliseconds = 1;
|
|
227
|
2510 ++mswindows_pending_timers_count;
|
|
249
|
2511 return SetTimer (NULL, 0, milliseconds,
|
|
|
2512 (TIMERPROC) mswindows_wm_timer_callback);
|
|
213
|
2513 }
|
|
|
2514
|
|
|
2515 static void
|
|
|
2516 emacs_mswindows_remove_timeout (int id)
|
|
|
2517 {
|
|
223
|
2518 struct Lisp_Event match_against;
|
|
|
2519 Lisp_Object emacs_event;
|
|
|
2520
|
|
233
|
2521 if (KillTimer (NULL, id))
|
|
|
2522 --mswindows_pending_timers_count;
|
|
223
|
2523
|
|
|
2524 /* If there is a dispatch event generated by this
|
|
|
2525 timeout in the queue, we have to remove it too. */
|
|
|
2526 match_against.event_type = timeout_event;
|
|
|
2527 match_against.event.timeout.interval_id = id;
|
|
|
2528 emacs_event = mswindows_cancel_dispatch_event (&match_against);
|
|
|
2529 if (!NILP (emacs_event))
|
|
|
2530 Fdeallocate_event(emacs_event);
|
|
213
|
2531 }
|
|
|
2532
|
|
219
|
2533 /* If `user_p' is false, then return whether there are any win32, timeout,
|
|
|
2534 * or subprocess events pending (that is, whether
|
|
|
2535 * emacs_mswindows_next_event() would return immediately without blocking).
|
|
|
2536 *
|
|
|
2537 * if `user_p' is true, then return whether there are any *user generated*
|
|
|
2538 * events available (that is, whether there are keyboard or mouse-click
|
|
|
2539 * events ready to be read). This also implies that
|
|
|
2540 * emacs_mswindows_next_event() would not block.
|
|
|
2541 */
|
|
213
|
2542 static int
|
|
|
2543 emacs_mswindows_event_pending_p (int user_p)
|
|
|
2544 {
|
|
274
|
2545 mswindows_need_event (0);
|
|
223
|
2546 return (!NILP (mswindows_u_dispatch_event_queue)
|
|
|
2547 || (!user_p && !NILP (mswindows_s_dispatch_event_queue)));
|
|
213
|
2548 }
|
|
|
2549
|
|
|
2550 /*
|
|
|
2551 * Return the next event
|
|
|
2552 */
|
|
|
2553 static void
|
|
|
2554 emacs_mswindows_next_event (struct Lisp_Event *emacs_event)
|
|
|
2555 {
|
|
223
|
2556 Lisp_Object event, event2;
|
|
|
2557
|
|
274
|
2558 mswindows_need_event (1);
|
|
213
|
2559
|
|
223
|
2560 event = mswindows_dequeue_dispatch_event (!NILP(mswindows_u_dispatch_event_queue));
|
|
|
2561 XSETEVENT (event2, emacs_event);
|
|
|
2562 Fcopy_event (event, event2);
|
|
|
2563 Fdeallocate_event (event);
|
|
213
|
2564 }
|
|
|
2565
|
|
|
2566 /*
|
|
|
2567 * Handle a magic event off the dispatch queue.
|
|
|
2568 */
|
|
|
2569 static void
|
|
|
2570 emacs_mswindows_handle_magic_event (struct Lisp_Event *emacs_event)
|
|
|
2571 {
|
|
|
2572 switch (EVENT_MSWINDOWS_MAGIC_TYPE(emacs_event))
|
|
|
2573 {
|
|
288
|
2574 case XM_BUMPQUEUE:
|
|
|
2575 break;
|
|
|
2576
|
|
|
2577 case WM_SETFOCUS:
|
|
|
2578 case WM_KILLFOCUS:
|
|
|
2579 {
|
|
|
2580 Lisp_Object frame = EVENT_CHANNEL (emacs_event);
|
|
|
2581 struct frame *f = XFRAME (frame);
|
|
|
2582 int in_p = (EVENT_MSWINDOWS_MAGIC_TYPE(emacs_event) == WM_SETFOCUS);
|
|
|
2583 Lisp_Object conser;
|
|
223
|
2584
|
|
288
|
2585 /* struct gcpro gcpro1; */
|
|
213
|
2586
|
|
288
|
2587 /* Clear sticky modifiers here (if we had any) */
|
|
213
|
2588
|
|
288
|
2589 conser = Fcons (frame, Fcons (FRAME_DEVICE (f), in_p ? Qt : Qnil));
|
|
|
2590 /* GCPRO1 (conser); XXX Not necessary? */
|
|
|
2591 emacs_handle_focus_change_preliminary (conser);
|
|
|
2592 /* Under X the stuff up to here is done in the X event handler.
|
|
|
2593 I Don't know why */
|
|
|
2594 emacs_handle_focus_change_final (conser);
|
|
|
2595 /* UNGCPRO; */
|
|
223
|
2596
|
|
288
|
2597 }
|
|
|
2598 break;
|
|
213
|
2599
|
|
288
|
2600 case XM_MAPFRAME:
|
|
|
2601 case XM_UNMAPFRAME:
|
|
|
2602 {
|
|
|
2603 Lisp_Object frame = EVENT_CHANNEL (emacs_event);
|
|
|
2604 va_run_hook_with_args (EVENT_MSWINDOWS_MAGIC_TYPE(emacs_event)
|
|
|
2605 == XM_MAPFRAME ?
|
|
|
2606 Qmap_frame_hook : Qunmap_frame_hook,
|
|
|
2607 1, frame);
|
|
|
2608 }
|
|
|
2609 break;
|
|
223
|
2610
|
|
249
|
2611 /* #### What about Enter & Leave */
|
|
213
|
2612 #if 0
|
|
|
2613 va_run_hook_with_args (in_p ? Qmouse_enter_frame_hook :
|
|
|
2614 Qmouse_leave_frame_hook, 1, frame);
|
|
|
2615 #endif
|
|
|
2616
|
|
288
|
2617 default:
|
|
|
2618 assert(0);
|
|
|
2619 }
|
|
213
|
2620 }
|
|
|
2621
|
|
384
|
2622 #ifndef HAVE_MSG_SELECT
|
|
274
|
2623 static HANDLE
|
|
|
2624 get_process_input_waitable (struct Lisp_Process *process)
|
|
|
2625 {
|
|
282
|
2626 Lisp_Object instr, outstr, p;
|
|
|
2627 XSETPROCESS (p, process);
|
|
274
|
2628 get_process_streams (process, &instr, &outstr);
|
|
|
2629 assert (!NILP (instr));
|
|
282
|
2630 #if defined (HAVE_SOCKETS) && !defined(HAVE_MSG_SELECT)
|
|
|
2631 return (network_connection_p (p)
|
|
|
2632 ? get_winsock_stream_waitable (XLSTREAM (instr))
|
|
|
2633 : get_ntpipe_input_stream_waitable (XLSTREAM (instr)));
|
|
|
2634 #else
|
|
|
2635 return get_ntpipe_input_stream_waitable (XLSTREAM (instr));
|
|
|
2636 #endif
|
|
274
|
2637 }
|
|
|
2638
|
|
213
|
2639 static void
|
|
|
2640 emacs_mswindows_select_process (struct Lisp_Process *process)
|
|
|
2641 {
|
|
274
|
2642 HANDLE hev = get_process_input_waitable (process);
|
|
|
2643
|
|
|
2644 if (!add_waitable_handle (hev))
|
|
|
2645 error ("Too many active processes");
|
|
|
2646
|
|
276
|
2647 #ifdef HAVE_WIN32_PROCESSES
|
|
|
2648 {
|
|
282
|
2649 Lisp_Object p;
|
|
|
2650 XSETPROCESS (p, process);
|
|
|
2651 if (!network_connection_p (p))
|
|
276
|
2652 {
|
|
282
|
2653 HANDLE hprocess = get_nt_process_handle (process);
|
|
|
2654 if (!add_waitable_handle (hprocess))
|
|
|
2655 {
|
|
|
2656 remove_waitable_handle (hev);
|
|
|
2657 error ("Too many active processes");
|
|
|
2658 }
|
|
276
|
2659 }
|
|
|
2660 }
|
|
|
2661 #endif
|
|
213
|
2662 }
|
|
|
2663
|
|
|
2664 static void
|
|
|
2665 emacs_mswindows_unselect_process (struct Lisp_Process *process)
|
|
|
2666 {
|
|
274
|
2667 /* Process handle is removed in the event loop as soon
|
|
|
2668 as it is signaled, so don't bother here about it */
|
|
|
2669 HANDLE hev = get_process_input_waitable (process);
|
|
|
2670 remove_waitable_handle (hev);
|
|
213
|
2671 }
|
|
384
|
2672 #endif /* HAVE_MSG_SELECT */
|
|
213
|
2673
|
|
|
2674 static void
|
|
|
2675 emacs_mswindows_select_console (struct console *con)
|
|
|
2676 {
|
|
|
2677 }
|
|
|
2678
|
|
|
2679 static void
|
|
|
2680 emacs_mswindows_unselect_console (struct console *con)
|
|
|
2681 {
|
|
|
2682 }
|
|
|
2683
|
|
|
2684 static void
|
|
|
2685 emacs_mswindows_quit_p (void)
|
|
|
2686 {
|
|
384
|
2687 MSG msg;
|
|
|
2688
|
|
276
|
2689 /* Quit cannot happen in modal loop: all program
|
|
|
2690 input is dedicated to Windows. */
|
|
|
2691 if (mswindows_in_modal_loop)
|
|
|
2692 return;
|
|
|
2693
|
|
384
|
2694 /* Drain windows queue. This sets up number of quit characters in the queue
|
|
|
2695 * (and also processes wm focus change, move, resize, etc messages).
|
|
|
2696 * We don't want to process WM_PAINT messages because this function can be
|
|
|
2697 * called from almost anywhere and the windows' states may be changing. */
|
|
|
2698 while (PeekMessage (&msg, NULL, 0, WM_PAINT-1, PM_REMOVE) ||
|
|
|
2699 PeekMessage (&msg, NULL, WM_PAINT+1, WM_USER-1, PM_REMOVE))
|
|
|
2700 DispatchMessage (&msg);
|
|
223
|
2701
|
|
|
2702 if (mswindows_quit_chars_count > 0)
|
|
|
2703 {
|
|
|
2704 /* Yes there's a hidden one... Throw it away */
|
|
|
2705 struct Lisp_Event match_against;
|
|
|
2706 Lisp_Object emacs_event;
|
|
|
2707
|
|
|
2708 match_against.event_type = key_press_event;
|
|
|
2709 match_against.event.key.modifiers = FAKE_MOD_QUIT;
|
|
|
2710
|
|
|
2711 emacs_event = mswindows_cancel_dispatch_event (&match_against);
|
|
|
2712 assert (!NILP (emacs_event));
|
|
|
2713
|
|
|
2714 Vquit_flag = (XEVENT(emacs_event)->event.key.modifiers & MOD_SHIFT
|
|
|
2715 ? Qcritical : Qt);
|
|
|
2716
|
|
|
2717 Fdeallocate_event(emacs_event);
|
|
|
2718 --mswindows_quit_chars_count;
|
|
|
2719 }
|
|
213
|
2720 }
|
|
|
2721
|
|
274
|
2722 USID
|
|
|
2723 emacs_mswindows_create_stream_pair (void* inhandle, void* outhandle,
|
|
|
2724 Lisp_Object* instream,
|
|
|
2725 Lisp_Object* outstream,
|
|
|
2726 int flags)
|
|
|
2727 {
|
|
|
2728 /* Handles for streams */
|
|
|
2729 HANDLE hin, hout;
|
|
|
2730 /* fds. These just stored along with the streams, and are closed in
|
|
|
2731 delete stream pair method, because we need to handle fake unices
|
|
|
2732 here. */
|
|
|
2733 int fdi, fdo;
|
|
|
2734
|
|
|
2735 /* Decode inhandle and outhandle. Their meaning depends on
|
|
|
2736 the process implementation being used. */
|
|
|
2737 #if defined (HAVE_WIN32_PROCESSES)
|
|
|
2738 /* We're passed in Windows handles. That's what we like most... */
|
|
|
2739 hin = (HANDLE) inhandle;
|
|
|
2740 hout = (HANDLE) outhandle;
|
|
|
2741 fdi = fdo = -1;
|
|
|
2742 #elif defined (HAVE_UNIX_PROCESSES)
|
|
|
2743 /* We are passed UNIX fds. This must be Cygwin.
|
|
|
2744 Fetch os handles */
|
|
276
|
2745 hin = inhandle >= 0 ? (HANDLE)get_osfhandle ((int)inhandle) : INVALID_HANDLE_VALUE;
|
|
|
2746 hout = outhandle >= 0 ? (HANDLE)get_osfhandle ((int)outhandle) : INVALID_HANDLE_VALUE;
|
|
|
2747 fdi=(int)inhandle;
|
|
|
2748 fdo=(int)outhandle;
|
|
274
|
2749 #else
|
|
|
2750 #error "So, WHICH kind of processes do you want?"
|
|
|
2751 #endif
|
|
|
2752
|
|
282
|
2753 *instream = (hin == INVALID_HANDLE_VALUE
|
|
|
2754 ? Qnil
|
|
|
2755 #if defined (HAVE_SOCKETS) && !defined (HAVE_MSG_SELECT)
|
|
|
2756 : flags & STREAM_NETWORK_CONNECTION
|
|
|
2757 ? make_winsock_input_stream ((SOCKET)hin, fdi)
|
|
|
2758 #endif
|
|
|
2759 : make_ntpipe_input_stream (hin, fdi));
|
|
274
|
2760
|
|
276
|
2761 #ifdef HAVE_WIN32_PROCESSES
|
|
282
|
2762 *outstream = (hout == INVALID_HANDLE_VALUE
|
|
|
2763 ? Qnil
|
|
|
2764 #if defined (HAVE_SOCKETS) && !defined (HAVE_MSG_SELECT)
|
|
|
2765 : flags & STREAM_NETWORK_CONNECTION
|
|
|
2766 ? make_winsock_output_stream ((SOCKET)hout, fdo)
|
|
|
2767 #endif
|
|
|
2768 : make_ntpipe_output_stream (hout, fdo));
|
|
276
|
2769 #elif defined (HAVE_UNIX_PROCESSES)
|
|
|
2770 *outstream = (fdo >= 0
|
|
|
2771 ? make_filedesc_output_stream (fdo, 0, -1, LSTR_BLOCKED_OK)
|
|
|
2772 : Qnil);
|
|
|
2773
|
|
|
2774 #if defined(HAVE_UNIX_PROCESSES) && defined(HAVE_PTYS)
|
|
|
2775 /* FLAGS is process->pty_flag for UNIX_PROCESSES */
|
|
282
|
2776 if ((flags & STREAM_PTY_FLUSHING) && fdo >= 0)
|
|
276
|
2777 {
|
|
|
2778 Bufbyte eof_char = get_eof_char (fdo);
|
|
|
2779 int pty_max_bytes = get_pty_max_bytes (fdo);
|
|
|
2780 filedesc_stream_set_pty_flushing (XLSTREAM(*outstream), pty_max_bytes, eof_char);
|
|
|
2781 }
|
|
|
2782 #endif
|
|
|
2783 #endif
|
|
274
|
2784
|
|
282
|
2785 return (NILP (*instream)
|
|
|
2786 ? USID_ERROR
|
|
|
2787 #if defined(HAVE_SOCKETS) && !defined(HAVE_MSG_SELECT)
|
|
|
2788 : flags & STREAM_NETWORK_CONNECTION
|
|
|
2789 ? HANDLE_TO_USID (get_winsock_stream_waitable (XLSTREAM (*instream)))
|
|
|
2790 #endif
|
|
274
|
2791 : HANDLE_TO_USID (get_ntpipe_input_stream_waitable (XLSTREAM (*instream))));
|
|
|
2792 }
|
|
|
2793
|
|
|
2794 USID
|
|
|
2795 emacs_mswindows_delete_stream_pair (Lisp_Object instream,
|
|
|
2796 Lisp_Object outstream)
|
|
|
2797 {
|
|
|
2798 /* Oh nothing special here for Win32 at all */
|
|
|
2799 #if defined (HAVE_UNIX_PROCESSES)
|
|
282
|
2800 int in = (NILP(instream)
|
|
|
2801 ? -1
|
|
|
2802 #if defined(HAVE_SOCKETS) && !defined(HAVE_MSG_SELECT)
|
|
|
2803 : LSTREAM_TYPE_P (XLSTREAM (instream), winsock)
|
|
|
2804 ? get_winsock_stream_param (XLSTREAM (instream))
|
|
|
2805 #endif
|
|
274
|
2806 : get_ntpipe_input_stream_param (XLSTREAM (instream)));
|
|
|
2807 int out = (NILP(outstream) ? -1
|
|
276
|
2808 : filedesc_stream_fd (XLSTREAM (outstream)));
|
|
274
|
2809
|
|
|
2810 if (in >= 0)
|
|
|
2811 close (in);
|
|
|
2812 if (out != in && out >= 0)
|
|
|
2813 close (out);
|
|
|
2814 #endif
|
|
|
2815
|
|
282
|
2816 return (NILP (instream)
|
|
|
2817 ? USID_DONTHASH
|
|
|
2818 #if defined(HAVE_SOCKETS) && !defined(HAVE_MSG_SELECT)
|
|
|
2819 : LSTREAM_TYPE_P (XLSTREAM (instream), winsock)
|
|
|
2820 ? HANDLE_TO_USID (get_winsock_stream_waitable (XLSTREAM (instream)))
|
|
|
2821 #endif
|
|
274
|
2822 : HANDLE_TO_USID (get_ntpipe_input_stream_waitable (XLSTREAM (instream))));
|
|
|
2823 }
|
|
|
2824
|
|
263
|
2825 #ifndef HAVE_X_WINDOWS
|
|
213
|
2826 /* This is called from GC when a process object is about to be freed.
|
|
|
2827 If we've still got pointers to it in this file, we're gonna lose hard.
|
|
|
2828 */
|
|
|
2829 void
|
|
|
2830 debug_process_finalization (struct Lisp_Process *p)
|
|
|
2831 {
|
|
|
2832 #if 0 /* #### */
|
|
263
|
2833 Lisp_Object instr, outstr;
|
|
|
2834
|
|
|
2835 get_process_streams (p, &instr, &outstr);
|
|
213
|
2836 /* if it still has fds, then it hasn't been killed yet. */
|
|
263
|
2837 assert (NILP(instr));
|
|
|
2838 assert (NILP(outstr));
|
|
|
2839
|
|
|
2840 /* #### More checks here */
|
|
213
|
2841 #endif
|
|
|
2842 }
|
|
263
|
2843 #endif
|
|
213
|
2844
|
|
|
2845 /************************************************************************/
|
|
|
2846 /* initialization */
|
|
|
2847 /************************************************************************/
|
|
|
2848
|
|
|
2849 void
|
|
|
2850 vars_of_event_mswindows (void)
|
|
|
2851 {
|
|
223
|
2852 mswindows_u_dispatch_event_queue = Qnil;
|
|
|
2853 staticpro (&mswindows_u_dispatch_event_queue);
|
|
|
2854 mswindows_u_dispatch_event_queue_tail = Qnil;
|
|
|
2855
|
|
|
2856 mswindows_s_dispatch_event_queue = Qnil;
|
|
|
2857 staticpro (&mswindows_s_dispatch_event_queue);
|
|
|
2858 mswindows_s_dispatch_event_queue_tail = Qnil;
|
|
213
|
2859
|
|
231
|
2860 mswindows_error_caught_in_modal_loop = Qnil;
|
|
|
2861 staticpro (&mswindows_error_caught_in_modal_loop);
|
|
|
2862 mswindows_in_modal_loop = 0;
|
|
227
|
2863 mswindows_pending_timers_count = 0;
|
|
|
2864
|
|
213
|
2865 mswindows_event_stream = xnew (struct event_stream);
|
|
|
2866
|
|
|
2867 mswindows_event_stream->event_pending_p = emacs_mswindows_event_pending_p;
|
|
223
|
2868 mswindows_event_stream->next_event_cb = emacs_mswindows_next_event;
|
|
213
|
2869 mswindows_event_stream->handle_magic_event_cb = emacs_mswindows_handle_magic_event;
|
|
|
2870 mswindows_event_stream->add_timeout_cb = emacs_mswindows_add_timeout;
|
|
|
2871 mswindows_event_stream->remove_timeout_cb = emacs_mswindows_remove_timeout;
|
|
278
|
2872 mswindows_event_stream->quit_p_cb = emacs_mswindows_quit_p;
|
|
213
|
2873 mswindows_event_stream->select_console_cb = emacs_mswindows_select_console;
|
|
223
|
2874 mswindows_event_stream->unselect_console_cb = emacs_mswindows_unselect_console;
|
|
278
|
2875 #ifdef HAVE_MSG_SELECT
|
|
|
2876 mswindows_event_stream->select_process_cb =
|
|
|
2877 (void (*)(struct Lisp_Process*))event_stream_unixoid_select_process;
|
|
|
2878 mswindows_event_stream->unselect_process_cb =
|
|
|
2879 (void (*)(struct Lisp_Process*))event_stream_unixoid_unselect_process;
|
|
|
2880 mswindows_event_stream->create_stream_pair_cb = event_stream_unixoid_create_stream_pair;
|
|
|
2881 mswindows_event_stream->delete_stream_pair_cb = event_stream_unixoid_delete_stream_pair;
|
|
|
2882 #else
|
|
213
|
2883 mswindows_event_stream->select_process_cb = emacs_mswindows_select_process;
|
|
223
|
2884 mswindows_event_stream->unselect_process_cb = emacs_mswindows_unselect_process;
|
|
274
|
2885 mswindows_event_stream->create_stream_pair_cb = emacs_mswindows_create_stream_pair;
|
|
|
2886 mswindows_event_stream->delete_stream_pair_cb = emacs_mswindows_delete_stream_pair;
|
|
278
|
2887 #endif
|
|
223
|
2888
|
|
225
|
2889 DEFVAR_BOOL ("mswindows-dynamic-frame-resize", &mswindows_dynamic_frame_resize /*
|
|
223
|
2890 *Controls redrawing frame contents during mouse-drag or keyboard resize
|
|
|
2891 operation. When non-nil, the frame is redrawn while being resized. When
|
|
|
2892 nil, frame is not redrawn, and exposed areas are filled with default
|
|
|
2893 MDI application background color. Note that this option only has effect
|
|
|
2894 if "Show window contents while dragging" is on in system Display/Plus!
|
|
|
2895 settings.
|
|
|
2896 Default is t on fast machines, nil on slow.
|
|
|
2897 */ );
|
|
|
2898
|
|
|
2899 /* The description copied verbatim from nt-emacs. (C) Geoff Voelker */
|
|
272
|
2900 DEFVAR_INT ("mswindows-mouse-button-tolerance", &mswindows_mouse_button_tolerance /*
|
|
223
|
2901 *Analogue of double click interval for faking middle mouse events.
|
|
|
2902 The value is the minimum time in milliseconds that must elapse between
|
|
|
2903 left/right button down events before they are considered distinct events.
|
|
|
2904 If both mouse buttons are depressed within this interval, a middle mouse
|
|
|
2905 button down event is generated instead.
|
|
|
2906 If negative or zero, currently set system default is used instead.
|
|
|
2907 */ );
|
|
|
2908
|
|
|
2909 /* The description copied verbatim from nt-emacs. (C) Geoff Voelker */
|
|
225
|
2910 DEFVAR_INT ("mswindows-num-mouse-buttons", &mswindows_num_mouse_buttons /*
|
|
223
|
2911 Number of physical mouse buttons.
|
|
|
2912 */ );
|
|
|
2913
|
|
272
|
2914 DEFVAR_INT ("mswindows-mouse-button-max-skew-x", &mswindows_mouse_button_max_skew_x /*
|
|
223
|
2915 *Maximum horizontal distance in pixels between points in which left and
|
|
380
|
2916 right button clicks occurred for them to be translated into single
|
|
223
|
2917 middle button event. Clicks must occur in time not longer than defined
|
|
272
|
2918 by the variable `mswindows-mouse-button-tolerance'.
|
|
223
|
2919 If negative or zero, currently set system default is used instead.
|
|
|
2920 */ );
|
|
|
2921
|
|
272
|
2922 DEFVAR_INT ("mswindows-mouse-button-max-skew-y", &mswindows_mouse_button_max_skew_y /*
|
|
223
|
2923 *Maximum vertical distance in pixels between points in which left and
|
|
380
|
2924 right button clicks occurred for them to be translated into single
|
|
223
|
2925 middle button event. Clicks must occur in time not longer than defined
|
|
272
|
2926 by the variable `mswindows-mouse-button-tolerance'.
|
|
223
|
2927 If negative or zero, currently set system default is used instead.
|
|
|
2928 */ );
|
|
|
2929
|
|
272
|
2930 mswindows_mouse_button_max_skew_x = 0;
|
|
|
2931 mswindows_mouse_button_max_skew_y = 0;
|
|
|
2932 mswindows_mouse_button_tolerance = 0;
|
|
213
|
2933 }
|
|
|
2934
|
|
|
2935 void
|
|
|
2936 syms_of_event_mswindows (void)
|
|
|
2937 {
|
|
|
2938 }
|
|
|
2939
|
|
|
2940 void
|
|
274
|
2941 lstream_type_create_mswindows_selectable (void)
|
|
|
2942 {
|
|
|
2943 init_slurp_stream ();
|
|
|
2944 init_shove_stream ();
|
|
282
|
2945 #if defined (HAVE_SOCKETS) && !defined(HAVE_MSG_SELECT)
|
|
|
2946 init_winsock_stream ();
|
|
|
2947 #endif
|
|
274
|
2948 }
|
|
|
2949
|
|
|
2950 void
|
|
213
|
2951 init_event_mswindows_late (void)
|
|
|
2952 {
|
|
278
|
2953 #ifdef HAVE_MSG_SELECT
|
|
|
2954 windows_fd = open("/dev/windows", O_RDONLY | O_NONBLOCK, 0);
|
|
|
2955 assert (windows_fd>=0);
|
|
|
2956 FD_SET (windows_fd, &input_wait_mask);
|
|
373
|
2957 FD_ZERO(&zero_mask);
|
|
278
|
2958 #endif
|
|
|
2959
|
|
213
|
2960 event_stream = mswindows_event_stream;
|
|
223
|
2961
|
|
|
2962 mswindows_dynamic_frame_resize = !GetSystemMetrics (SM_SLOWMACHINE);
|
|
|
2963 mswindows_num_mouse_buttons = GetSystemMetrics (SM_CMOUSEBUTTONS);
|
|
213
|
2964 }
|
