408
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1 /* The mswindows event_stream interface.
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213
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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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404
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4 Copyright (C) 1996, 2000 Ben Wing.
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213
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5 Copyright (C) 1997 Jonathan Harris.
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6
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7 This file is part of XEmacs.
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8
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9 XEmacs is free software; you can redistribute it and/or modify it
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10 under the terms of the GNU General Public License as published by the
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11 Free Software Foundation; either version 2, or (at your option) any
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12 later version.
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13
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14 XEmacs is distributed in the hope that it will be useful, but WITHOUT
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15 ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
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16 FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License
|
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17 for more details.
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18
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19 You should have received a copy of the GNU General Public License
|
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20 along with XEmacs; see the file COPYING. If not, write to
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21 the Free Software Foundation, Inc., 59 Temple Place - Suite 330,
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22 Boston, MA 02111-1307, USA. */
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23
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24 /* Synched up with: Not in FSF. */
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25
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26 /* Authorship:
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27
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28 Ultimately based on FSF.
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29 Rewritten by Ben Wing.
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30 Rewritten for mswindows by Jonathan Harris, November 1997 for 21.0.
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31 Subprocess and modal loop support by Kirill M. Katsnelson.
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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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404
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44 # include "menubar.h"
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249
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45 # include "menubar-msw.h"
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46 #endif
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47
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284
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48 #ifdef HAVE_DRAGNDROP
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49 # include "dragdrop.h"
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50 #endif
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51
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213
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52 #include "device.h"
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53 #include "events.h"
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54 #include "frame.h"
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384
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55 #include "buffer.h"
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56 #include "faces.h"
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274
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57 #include "lstream.h"
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213
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58 #include "process.h"
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227
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59 #include "redisplay.h"
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398
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60 #include "select.h"
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408
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61 #include "window.h"
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213
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62 #include "sysproc.h"
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63 #include "syswait.h"
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|
64 #include "systime.h"
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278
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65 #include "sysdep.h"
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384
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66 #include "objects-msw.h"
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213
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67
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249
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68 #include "events-mod.h"
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278
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69 #ifdef HAVE_MSG_SELECT
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70 #include "sysfile.h"
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392
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71 #include "console-tty.h"
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410
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72 #elif defined(CYGWIN)
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284
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73 typedef unsigned int SOCKET;
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278
|
74 #endif
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276
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75 #include <io.h>
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274
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76 #include <errno.h>
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77
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410
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78 #if !(defined(CYGWIN) || defined(MINGW))
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404
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79 # include <shlobj.h> /* For IShellLink */
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80 #endif
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81
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249
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82 #ifdef HAVE_MENUBARS
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83 #define ADJR_MENUFLAG TRUE
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84 #else
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85 #define ADJR_MENUFLAG FALSE
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86 #endif
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87
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88 /* Fake key modifier which is attached to a quit char event.
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89 Removed upon dequeueing an event */
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90 #define FAKE_MOD_QUIT 0x80
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91
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92 /* Timer ID used for button2 emulation */
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93 #define BUTTON_2_TIMER_ID 1
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94
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95 static Lisp_Object mswindows_find_frame (HWND hwnd);
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96 static Lisp_Object mswindows_find_console (HWND hwnd);
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398
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97 static Lisp_Object mswindows_key_to_emacs_keysym (int mswindows_key, int mods,
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98 int extendedp);
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249
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99 static int mswindows_modifier_state (BYTE* keymap, int has_AltGr);
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100 static void mswindows_set_chord_timer (HWND hwnd);
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101 static int mswindows_button2_near_enough (POINTS p1, POINTS p2);
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102 static int mswindows_current_layout_has_AltGr (void);
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408
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103 static int mswindows_handle_sticky_modifiers (WPARAM wParam, LPARAM lParam,
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104 int downp, int keyp);
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249
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105
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213
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106 static struct event_stream *mswindows_event_stream;
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223
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107
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278
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108 #ifdef HAVE_MSG_SELECT
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109 extern SELECT_TYPE input_wait_mask, non_fake_input_wait_mask;
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110 extern SELECT_TYPE process_only_mask, tty_only_mask;
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373
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111 SELECT_TYPE zero_mask;
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278
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112 extern int signal_event_pipe_initialized;
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113 int windows_fd;
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114 #endif
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115
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223
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116 /*
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117 * Two separate queues, for efficiency, one (_u_) for user events, and
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118 * another (_s_) for non-user ones. We always return events out of the
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119 * first one until it is empty and only then proceed with the second
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120 * one.
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121 */
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122 static Lisp_Object mswindows_u_dispatch_event_queue, mswindows_u_dispatch_event_queue_tail;
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123 static Lisp_Object mswindows_s_dispatch_event_queue, mswindows_s_dispatch_event_queue_tail;
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213
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124
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249
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125 /* The number of things we can wait on */
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126 #define MAX_WAITABLE (MAXIMUM_WAIT_OBJECTS - 1)
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127
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392
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128 #ifndef HAVE_MSG_SELECT
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249
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129 /* List of mswindows waitable handles. */
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274
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130 static HANDLE mswindows_waitable_handles[MAX_WAITABLE];
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131
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132 /* Number of wait handles */
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133 static int mswindows_waitable_count=0;
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384
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134 #endif /* HAVE_MSG_SELECT */
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398
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135
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384
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136 /* Brush for painting widgets */
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137 static HBRUSH widget_brush = 0;
|
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138 static LONG last_widget_brushed = 0;
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213
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139
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223
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140 /* Count of quit chars currently in the queue */
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249
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141 /* Incremented in WM_[SYS]KEYDOWN handler in the mswindows_wnd_proc()
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223
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142 Decremented in mswindows_dequeue_dispatch_event() */
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143 int mswindows_quit_chars_count = 0;
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144
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145 /* These are Lisp integers; see DEFVARS in this file for description. */
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146 int mswindows_dynamic_frame_resize;
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404
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147 int mswindows_alt_by_itself_activates_menu;
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223
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148 int mswindows_num_mouse_buttons;
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272
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149 int mswindows_mouse_button_max_skew_x;
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150 int mswindows_mouse_button_max_skew_y;
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151 int mswindows_mouse_button_tolerance;
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223
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152
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408
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153 #ifdef DEBUG_XEMACS
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154 int mswindows_debug_events;
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155 #endif
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156
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227
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157 /* This is the event signaled by the event pump.
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158 See mswindows_pump_outstanding_events for comments */
|
231
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159 static Lisp_Object mswindows_error_caught_in_modal_loop;
|
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160 static int mswindows_in_modal_loop;
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227
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161
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162 /* Count of wound timers */
|
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163 static int mswindows_pending_timers_count;
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274
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164
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165 /************************************************************************/
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166 /* Pipe instream - reads process output */
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167 /************************************************************************/
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168
|
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169 #define PIPE_READ_DELAY 20
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170
|
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171 #define HANDLE_TO_USID(h) ((USID)(h))
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172
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173 #define NTPIPE_SLURP_STREAM_DATA(stream) \
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174 LSTREAM_TYPE_DATA (stream, ntpipe_slurp)
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175
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276
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176 /* This structure is allocated by the main thread, and is deallocated
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177 in the thread upon exit. There are situations when a thread
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178 remains blocked for a long time, much longer than the lstream
|
380
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179 exists. For example, "start notepad" command is issued from the
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276
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180 shell, then the shell is closed by C-c C-d. Although the shell
|
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181 process exits, its output pipe will not get closed until the
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182 notepad process exits also, because it inherits the pipe form the
|
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183 shell. In this case, we abandon the thread, and let it live until
|
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184 all such processes exit. While struct ntpipe_slurp_stream is
|
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185 deallocated in this case, ntpipe_slurp_stream_shared_data are not. */
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186
|
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187 struct ntpipe_slurp_stream_shared_data
|
274
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188 {
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189 HANDLE hev_thread; /* Our thread blocks on this, signaled by caller */
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404
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190 /* This is a manual-reset object. */
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274
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191 HANDLE hev_caller; /* Caller blocks on this, and we signal it */
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404
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192 /* This is a manual-reset object. */
|
274
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193 HANDLE hev_unsleep; /* Pipe read delay is canceled if this is set */
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404
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194 /* This is a manual-reset object. */
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274
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195 HANDLE hpipe; /* Pipe read end handle. */
|
276
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196 LONG die_p; /* Thread must exit ASAP if non-zero */
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274
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197 BOOL eof_p : 1; /* Set when thread saw EOF */
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198 BOOL error_p : 1; /* Read error other than EOF/broken pipe */
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276
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199 BOOL inuse_p : 1; /* this structure is in use */
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200 LONG lock_count; /* Client count of this struct, 0=safe to free */
|
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201 BYTE onebyte; /* One byte buffer read by thread */
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202 };
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203
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204 #define MAX_SLURP_STREAMS 32
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398
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205 struct ntpipe_slurp_stream_shared_data
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278
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206 shared_data_block[MAX_SLURP_STREAMS]={{0}};
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276
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207
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208 struct ntpipe_slurp_stream
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209 {
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210 LPARAM user_data; /* Any user data stored in the stream object */
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211 struct ntpipe_slurp_stream_shared_data* thread_data;
|
274
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212 };
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213
|
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214 DEFINE_LSTREAM_IMPLEMENTATION ("ntpipe-input", lstream_ntpipe_slurp,
|
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215 sizeof (struct ntpipe_slurp_stream));
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216
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276
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217 /* This function is thread-safe, and is called from either thread
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380
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218 context. It serializes freeing shared data structure */
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276
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219 static void
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220 slurper_free_shared_data_maybe (struct ntpipe_slurp_stream_shared_data* s)
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221 {
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222 if (InterlockedDecrement (&s->lock_count) == 0)
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223 {
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224 /* Destroy events */
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225 CloseHandle (s->hev_thread);
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226 CloseHandle (s->hev_caller);
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227 CloseHandle (s->hev_unsleep);
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228 s->inuse_p = 0;
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229 }
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230 }
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231
|
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232 static struct ntpipe_slurp_stream_shared_data*
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233 slurper_allocate_shared_data (void)
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276
|
234 {
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235 int i=0;
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236 for (i=0; i<MAX_SLURP_STREAMS; i++)
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237 {
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238 if (!shared_data_block[i].inuse_p)
|
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239 {
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240 shared_data_block[i].inuse_p=1;
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241 return &shared_data_block[i];
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242 }
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243 }
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244 return (struct ntpipe_slurp_stream_shared_data*)0;
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245 }
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246
|
274
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247 static DWORD WINAPI
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248 slurp_thread (LPVOID vparam)
|
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249 {
|
276
|
250 struct ntpipe_slurp_stream_shared_data *s =
|
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251 (struct ntpipe_slurp_stream_shared_data*)vparam;
|
274
|
252
|
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253 for (;;)
|
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254 {
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255 /* Read one byte from the pipe */
|
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256 DWORD actually_read;
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257 if (!ReadFile (s->hpipe, &s->onebyte, 1, &actually_read, NULL))
|
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258 {
|
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259 DWORD err = GetLastError ();
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260 if (err == ERROR_BROKEN_PIPE || err == ERROR_NO_DATA)
|
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261 s->eof_p = TRUE;
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262 else
|
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263 s->error_p = TRUE;
|
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264 }
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265 else if (actually_read == 0)
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266 s->eof_p = TRUE;
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267
|
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268 /* We must terminate on an error or eof */
|
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269 if (s->eof_p || s->error_p)
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270 InterlockedIncrement (&s->die_p);
|
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271
|
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272 /* Before we notify caller, we unsignal our event. */
|
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273 ResetEvent (s->hev_thread);
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274
|
|
275 /* Now we got something to notify caller, either a byte or an
|
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276 error/eof indication. Before we do, allow internal pipe
|
398
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277 buffer to accumulate little bit more data.
|
274
|
278 Reader function pulses this event before waiting for
|
276
|
279 a character, to avoid pipe delay, and to get the byte
|
274
|
280 immediately. */
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281 if (!s->die_p)
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282 WaitForSingleObject (s->hev_unsleep, PIPE_READ_DELAY);
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283
|
|
284 /* Either make event loop generate a process event, or
|
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285 inblock reader */
|
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286 SetEvent (s->hev_caller);
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287
|
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288 /* Cleanup and exit if we're shot off */
|
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289 if (s->die_p)
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290 break;
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291
|
380
|
292 /* Block until the client finishes with retrieving the rest of
|
274
|
293 pipe data */
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294 WaitForSingleObject (s->hev_thread, INFINITE);
|
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295 }
|
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296
|
276
|
297 slurper_free_shared_data_maybe (s);
|
|
298
|
274
|
299 return 0;
|
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300 }
|
|
301
|
|
302 static Lisp_Object
|
|
303 make_ntpipe_input_stream (HANDLE hpipe, LPARAM param)
|
|
304 {
|
|
305 Lisp_Object obj;
|
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306 Lstream *lstr = Lstream_new (lstream_ntpipe_slurp, "r");
|
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307 struct ntpipe_slurp_stream* s = NTPIPE_SLURP_STREAM_DATA (lstr);
|
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308 DWORD thread_id_unused;
|
276
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309 HANDLE hthread;
|
274
|
310
|
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311 /* We deal only with pipes, for we're using PeekNamedPipe api */
|
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312 assert (GetFileType (hpipe) == FILE_TYPE_PIPE);
|
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313
|
276
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314 s->thread_data = slurper_allocate_shared_data();
|
274
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315
|
276
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316 /* Create reader thread. This could fail, so do not create events
|
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317 until thread is created */
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318 hthread = CreateThread (NULL, 0, slurp_thread, (LPVOID)s->thread_data,
|
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319 CREATE_SUSPENDED, &thread_id_unused);
|
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320 if (hthread == NULL)
|
274
|
321 {
|
|
322 Lstream_delete (lstr);
|
276
|
323 s->thread_data->inuse_p=0;
|
274
|
324 return Qnil;
|
|
325 }
|
|
326
|
276
|
327 /* Shared data are initially owned by both main and slurper
|
|
328 threads. */
|
|
329 s->thread_data->lock_count = 2;
|
|
330 s->thread_data->die_p = 0;
|
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331 s->thread_data->eof_p = FALSE;
|
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332 s->thread_data->error_p = FALSE;
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333 s->thread_data->hpipe = hpipe;
|
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334 s->user_data = param;
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335
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274
|
336 /* hev_thread is a manual-reset event, initially signaled */
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276
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337 s->thread_data->hev_thread = CreateEvent (NULL, TRUE, TRUE, NULL);
|
274
|
338 /* hev_caller is a manual-reset event, initially nonsignaled */
|
276
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339 s->thread_data->hev_caller = CreateEvent (NULL, TRUE, FALSE, NULL);
|
274
|
340 /* hev_unsleep is a manual-reset event, initially nonsignaled */
|
276
|
341 s->thread_data->hev_unsleep = CreateEvent (NULL, TRUE, FALSE, NULL);
|
274
|
342
|
|
343 /* Now let it go */
|
276
|
344 ResumeThread (hthread);
|
|
345 CloseHandle (hthread);
|
274
|
346
|
|
347 lstr->flags |= LSTREAM_FL_CLOSE_AT_DISKSAVE;
|
|
348 XSETLSTREAM (obj, lstr);
|
|
349 return obj;
|
|
350 }
|
|
351
|
|
352 static LPARAM
|
|
353 get_ntpipe_input_stream_param (Lstream *stream)
|
|
354 {
|
|
355 struct ntpipe_slurp_stream* s = NTPIPE_SLURP_STREAM_DATA(stream);
|
|
356 return s->user_data;
|
|
357 }
|
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358
|
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359 static HANDLE
|
|
360 get_ntpipe_input_stream_waitable (Lstream *stream)
|
|
361 {
|
|
362 struct ntpipe_slurp_stream* s = NTPIPE_SLURP_STREAM_DATA(stream);
|
276
|
363 return s->thread_data->hev_caller;
|
274
|
364 }
|
|
365
|
398
|
366 static ssize_t
|
274
|
367 ntpipe_slurp_reader (Lstream *stream, unsigned char *data, size_t size)
|
|
368 {
|
|
369 /* This function must be called from the main thread only */
|
398
|
370 struct ntpipe_slurp_stream_shared_data* s =
|
276
|
371 NTPIPE_SLURP_STREAM_DATA(stream)->thread_data;
|
274
|
372
|
|
373 if (!s->die_p)
|
|
374 {
|
|
375 DWORD wait_result;
|
276
|
376 /* Disallow pipe read delay for the thread: we need a character
|
|
377 ASAP */
|
274
|
378 SetEvent (s->hev_unsleep);
|
398
|
379
|
276
|
380 /* Check if we have a character ready. Give it a short delay,
|
|
381 for the thread to awake from pipe delay, just ion case*/
|
274
|
382 wait_result = WaitForSingleObject (s->hev_caller, 2);
|
|
383
|
|
384 /* Revert to the normal sleep behavior. */
|
|
385 ResetEvent (s->hev_unsleep);
|
|
386
|
|
387 /* If there's no byte buffered yet, give up */
|
|
388 if (wait_result == WAIT_TIMEOUT)
|
|
389 {
|
|
390 errno = EAGAIN;
|
|
391 return -1;
|
|
392 }
|
|
393 }
|
|
394
|
|
395 /* Reset caller unlock event now, as we've handled the pending
|
|
396 process output event */
|
|
397 ResetEvent (s->hev_caller);
|
|
398
|
|
399 /* It is now safe to do anything with contents of S, except for
|
|
400 changing s->die_p, which still should be interlocked */
|
|
401
|
|
402 if (s->eof_p)
|
|
403 return 0;
|
|
404 if (s->error_p || s->die_p)
|
|
405 return -1;
|
|
406
|
276
|
407 /* Ok, there were no error neither eof - we've got a byte from the
|
|
408 pipe */
|
274
|
409 *(data++) = s->onebyte;
|
|
410 --size;
|
|
411
|
276
|
412 {
|
|
413 DWORD bytes_read = 0;
|
|
414 if (size > 0)
|
|
415 {
|
|
416 DWORD bytes_available;
|
274
|
417
|
276
|
418 /* If the api call fails, return at least one byte already
|
|
419 read. ReadFile in thread will return error */
|
|
420 if (PeekNamedPipe (s->hpipe, NULL, 0, NULL, &bytes_available, NULL))
|
|
421 {
|
274
|
422
|
276
|
423 /* Fetch available bytes. The same consideration applies,
|
|
424 so do not check for errors. ReadFile in the thread will
|
|
425 fail if the next call fails. */
|
|
426 if (bytes_available)
|
|
427 ReadFile (s->hpipe, data, min (bytes_available, size),
|
|
428 &bytes_read, NULL);
|
|
429 }
|
398
|
430
|
276
|
431 /* Now we can unblock thread, so it attempts to read more */
|
|
432 SetEvent (s->hev_thread);
|
|
433 return bytes_read + 1;
|
|
434 }
|
|
435 }
|
278
|
436 return 0;
|
274
|
437 }
|
|
438
|
398
|
439 static int
|
274
|
440 ntpipe_slurp_closer (Lstream *stream)
|
|
441 {
|
|
442 /* This function must be called from the main thread only */
|
398
|
443 struct ntpipe_slurp_stream_shared_data* s =
|
276
|
444 NTPIPE_SLURP_STREAM_DATA(stream)->thread_data;
|
274
|
445
|
|
446 /* Force thread to stop */
|
|
447 InterlockedIncrement (&s->die_p);
|
|
448
|
276
|
449 /* Set events which could possibly block slurper. Let it finish soon
|
|
450 or later. */
|
274
|
451 SetEvent (s->hev_unsleep);
|
|
452 SetEvent (s->hev_thread);
|
|
453
|
276
|
454 /* Unlock and maybe free shared data */
|
|
455 slurper_free_shared_data_maybe (s);
|
274
|
456
|
|
457 return 0;
|
|
458 }
|
|
459
|
|
460 static void
|
|
461 init_slurp_stream (void)
|
|
462 {
|
|
463 LSTREAM_HAS_METHOD (ntpipe_slurp, reader);
|
|
464 LSTREAM_HAS_METHOD (ntpipe_slurp, closer);
|
|
465 }
|
|
466
|
|
467 /************************************************************************/
|
|
468 /* Pipe outstream - writes process input */
|
|
469 /************************************************************************/
|
|
470
|
|
471 #define NTPIPE_SHOVE_STREAM_DATA(stream) \
|
|
472 LSTREAM_TYPE_DATA (stream, ntpipe_shove)
|
|
473
|
410
|
474 #define MAX_SHOVE_BUFFER_SIZE 512
|
398
|
475
|
274
|
476 struct ntpipe_shove_stream
|
|
477 {
|
|
478 LPARAM user_data; /* Any user data stored in the stream object */
|
|
479 HANDLE hev_thread; /* Our thread blocks on this, signaled by caller */
|
404
|
480 /* This is an auto-reset object. */
|
274
|
481 HANDLE hpipe; /* Pipe write end handle. */
|
|
482 HANDLE hthread; /* Reader thread handle. */
|
276
|
483 char buffer[MAX_SHOVE_BUFFER_SIZE]; /* Buffer being written */
|
274
|
484 DWORD size; /* Number of bytes to write */
|
276
|
485 LONG die_p; /* Thread must exit ASAP if non-zero */
|
|
486 LONG idle_p; /* Non-zero if thread is waiting for job */
|
274
|
487 BOOL error_p : 1; /* Read error other than EOF/broken pipe */
|
|
488 BOOL blocking_p : 1;/* Last write attempt would cause blocking */
|
|
489 };
|
|
490
|
|
491 DEFINE_LSTREAM_IMPLEMENTATION ("ntpipe-output", lstream_ntpipe_shove,
|
|
492 sizeof (struct ntpipe_shove_stream));
|
|
493
|
384
|
494 #ifndef HAVE_MSG_SELECT
|
274
|
495 static DWORD WINAPI
|
|
496 shove_thread (LPVOID vparam)
|
|
497 {
|
|
498 struct ntpipe_shove_stream *s = (struct ntpipe_shove_stream*) vparam;
|
|
499
|
|
500 for (;;)
|
|
501 {
|
398
|
502 DWORD bytes_written;
|
274
|
503
|
|
504 /* Block on event and wait for a job */
|
|
505 InterlockedIncrement (&s->idle_p);
|
|
506 WaitForSingleObject (s->hev_thread, INFINITE);
|
|
507
|
410
|
508 /* Write passed buffer if any */
|
|
509 if (s->size > 0)
|
274
|
510 {
|
410
|
511 if (!WriteFile (s->hpipe, s->buffer, s->size, &bytes_written, NULL)
|
|
512 || bytes_written != s->size)
|
|
513 {
|
|
514 s->error_p = TRUE;
|
|
515 InterlockedIncrement (&s->die_p);
|
|
516 }
|
|
517 /* Set size to zero so we won't write it again if the closer sets
|
|
518 die_p and kicks us */
|
|
519 s->size = 0;
|
274
|
520 }
|
|
521
|
|
522 if (s->die_p)
|
|
523 break;
|
|
524 }
|
|
525
|
|
526 return 0;
|
|
527 }
|
|
528
|
|
529 static Lisp_Object
|
|
530 make_ntpipe_output_stream (HANDLE hpipe, LPARAM param)
|
|
531 {
|
|
532 Lisp_Object obj;
|
|
533 Lstream *lstr = Lstream_new (lstream_ntpipe_shove, "w");
|
|
534 struct ntpipe_shove_stream* s = NTPIPE_SHOVE_STREAM_DATA (lstr);
|
|
535 DWORD thread_id_unused;
|
|
536
|
|
537 s->die_p = 0;
|
|
538 s->error_p = FALSE;
|
|
539 s->hpipe = hpipe;
|
|
540 s->user_data = param;
|
|
541
|
398
|
542 /* Create reader thread. This could fail, so do not
|
274
|
543 create the event until thread is created */
|
|
544 s->hthread = CreateThread (NULL, 0, shove_thread, (LPVOID)s,
|
|
545 CREATE_SUSPENDED, &thread_id_unused);
|
|
546 if (s->hthread == NULL)
|
|
547 {
|
|
548 Lstream_delete (lstr);
|
|
549 return Qnil;
|
|
550 }
|
|
551
|
410
|
552 /* Set the priority of the thread higher so we don't end up waiting
|
|
553 on it to send things. */
|
|
554 if (!SetThreadPriority (s->hthread, THREAD_PRIORITY_HIGHEST))
|
|
555 {
|
|
556 CloseHandle (s->hthread);
|
|
557 Lstream_delete (lstr);
|
|
558 return Qnil;
|
|
559 }
|
|
560
|
274
|
561 /* hev_thread is an auto-reset event, initially nonsignaled */
|
|
562 s->hev_thread = CreateEvent (NULL, FALSE, FALSE, NULL);
|
|
563
|
|
564 /* Now let it go */
|
|
565 ResumeThread (s->hthread);
|
|
566
|
|
567 lstr->flags |= LSTREAM_FL_CLOSE_AT_DISKSAVE;
|
|
568 XSETLSTREAM (obj, lstr);
|
|
569 return obj;
|
|
570 }
|
|
571
|
|
572 static LPARAM
|
|
573 get_ntpipe_output_stream_param (Lstream *stream)
|
|
574 {
|
|
575 struct ntpipe_shove_stream* s = NTPIPE_SHOVE_STREAM_DATA(stream);
|
|
576 return s->user_data;
|
|
577 }
|
384
|
578 #endif
|
274
|
579
|
398
|
580 static ssize_t
|
274
|
581 ntpipe_shove_writer (Lstream *stream, const unsigned char *data, size_t size)
|
|
582 {
|
|
583 struct ntpipe_shove_stream* s = NTPIPE_SHOVE_STREAM_DATA(stream);
|
|
584
|
|
585 if (s->error_p)
|
|
586 return -1;
|
|
587
|
|
588 s->blocking_p = !s->idle_p;
|
|
589 if (s->blocking_p)
|
|
590 return 0;
|
|
591
|
276
|
592 if (size>MAX_SHOVE_BUFFER_SIZE)
|
|
593 return 0;
|
|
594
|
274
|
595 memcpy (s->buffer, data, size);
|
|
596 s->size = size;
|
|
597
|
|
598 /* Start output */
|
|
599 InterlockedDecrement (&s->idle_p);
|
|
600 SetEvent (s->hev_thread);
|
410
|
601 /* Give it a chance to run -- this dramatically improves performance
|
|
602 of things like crypt. */
|
|
603 (void) SwitchToThread ();
|
274
|
604 return size;
|
|
605 }
|
|
606
|
|
607 static int
|
|
608 ntpipe_shove_was_blocked_p (Lstream *stream)
|
|
609 {
|
|
610 struct ntpipe_shove_stream* s = NTPIPE_SHOVE_STREAM_DATA(stream);
|
|
611 return s->blocking_p;
|
|
612 }
|
|
613
|
|
614 static int
|
|
615 ntpipe_shove_closer (Lstream *stream)
|
|
616 {
|
|
617 struct ntpipe_shove_stream* s = NTPIPE_SHOVE_STREAM_DATA(stream);
|
|
618
|
|
619 /* Force thread stop */
|
|
620 InterlockedIncrement (&s->die_p);
|
|
621
|
410
|
622 /* Thread will end upon unblocking. If it's already unblocked this will
|
|
623 do nothing, but the thread won't look at die_p until it's written any
|
|
624 pending output. */
|
274
|
625 SetEvent (s->hev_thread);
|
|
626
|
|
627 /* Wait while thread terminates */
|
|
628 WaitForSingleObject (s->hthread, INFINITE);
|
410
|
629
|
|
630 /* Close pipe handle, possibly breaking it */
|
|
631 CloseHandle (s->hpipe);
|
|
632
|
|
633 /* Close the thread handle */
|
274
|
634 CloseHandle (s->hthread);
|
|
635
|
|
636 /* Destroy the event */
|
|
637 CloseHandle (s->hev_thread);
|
|
638
|
|
639 return 0;
|
|
640 }
|
|
641
|
|
642 static void
|
|
643 init_shove_stream (void)
|
|
644 {
|
|
645 LSTREAM_HAS_METHOD (ntpipe_shove, writer);
|
|
646 LSTREAM_HAS_METHOD (ntpipe_shove, was_blocked_p);
|
|
647 LSTREAM_HAS_METHOD (ntpipe_shove, closer);
|
|
648 }
|
|
649
|
|
650 /************************************************************************/
|
282
|
651 /* Winsock I/O stream */
|
|
652 /************************************************************************/
|
|
653 #if defined (HAVE_SOCKETS) && !defined(HAVE_MSG_SELECT)
|
|
654
|
|
655 #define WINSOCK_READ_BUFFER_SIZE 1024
|
|
656
|
|
657 struct winsock_stream
|
|
658 {
|
|
659 LPARAM user_data; /* Any user data stored in the stream object */
|
|
660 SOCKET s; /* Socket handle (which is a Win32 handle) */
|
|
661 OVERLAPPED ov; /* Overlapped I/O structure */
|
|
662 void* buffer; /* Buffer. Allocated for input stream only */
|
400
|
663 unsigned long bufsize; /* Number of bytes last read */
|
|
664 unsigned long bufpos; /* Position in buffer for next fetch */
|
282
|
665 unsigned int error_p :1; /* I/O Error seen */
|
|
666 unsigned int eof_p :1; /* EOF Error seen */
|
|
667 unsigned int pending_p :1; /* There is a pending I/O operation */
|
|
668 unsigned int blocking_p :1; /* Last write attempt would block */
|
|
669 };
|
|
670
|
|
671 #define WINSOCK_STREAM_DATA(stream) LSTREAM_TYPE_DATA (stream, winsock)
|
|
672
|
|
673 DEFINE_LSTREAM_IMPLEMENTATION ("winsock", lstream_winsock,
|
|
674 sizeof (struct winsock_stream));
|
|
675
|
|
676 static void
|
|
677 winsock_initiate_read (struct winsock_stream *str)
|
|
678 {
|
|
679 ResetEvent (str->ov.hEvent);
|
|
680 str->bufpos = 0;
|
|
681
|
|
682 if (!ReadFile ((HANDLE)str->s, str->buffer, WINSOCK_READ_BUFFER_SIZE,
|
|
683 &str->bufsize, &str->ov))
|
|
684 {
|
|
685 if (GetLastError () == ERROR_IO_PENDING)
|
|
686 str->pending_p = 1;
|
|
687 else if (GetLastError () == ERROR_HANDLE_EOF)
|
|
688 str->eof_p = 1;
|
|
689 else
|
|
690 str->error_p = 1;
|
|
691 }
|
|
692 else if (str->bufsize == 0)
|
|
693 str->eof_p = 1;
|
|
694 }
|
|
695
|
398
|
696 static ssize_t
|
282
|
697 winsock_reader (Lstream *stream, unsigned char *data, size_t size)
|
|
698 {
|
|
699 struct winsock_stream *str = WINSOCK_STREAM_DATA (stream);
|
|
700
|
|
701 /* If the current operation is not yet complete, there's nothing to
|
|
702 give back */
|
|
703 if (str->pending_p)
|
|
704 {
|
|
705 if (WaitForSingleObject (str->ov.hEvent, 0) == WAIT_TIMEOUT)
|
|
706 {
|
|
707 errno = EAGAIN;
|
|
708 return -1;
|
|
709 }
|
|
710 else
|
|
711 {
|
|
712 if (!GetOverlappedResult ((HANDLE)str->s, &str->ov, &str->bufsize, TRUE))
|
|
713 {
|
|
714 if (GetLastError() == ERROR_HANDLE_EOF)
|
|
715 str->bufsize = 0;
|
|
716 else
|
|
717 str->error_p = 1;
|
|
718 }
|
|
719 if (str->bufsize == 0)
|
|
720 str->eof_p = 1;
|
|
721 str->pending_p = 0;
|
|
722 }
|
|
723 }
|
|
724
|
|
725 if (str->eof_p)
|
|
726 return 0;
|
|
727 if (str->error_p)
|
|
728 return -1;
|
398
|
729
|
282
|
730 /* Return as much of buffer as we have */
|
|
731 size = min (size, (size_t) (str->bufsize - str->bufpos));
|
|
732 memcpy (data, (void*)((BYTE*)str->buffer + str->bufpos), size);
|
|
733 str->bufpos += size;
|
|
734
|
|
735 /* Read more if buffer is exhausted */
|
|
736 if (str->bufsize == str->bufpos)
|
|
737 winsock_initiate_read (str);
|
|
738
|
|
739 return size;
|
|
740 }
|
|
741
|
398
|
742 static ssize_t
|
|
743 winsock_writer (Lstream *stream, const unsigned char *data, size_t size)
|
282
|
744 {
|
|
745 struct winsock_stream *str = WINSOCK_STREAM_DATA (stream);
|
|
746
|
|
747 if (str->pending_p)
|
|
748 {
|
|
749 if (WaitForSingleObject (str->ov.hEvent, 0) == WAIT_TIMEOUT)
|
|
750 {
|
|
751 str->blocking_p = 1;
|
|
752 return -1;
|
|
753 }
|
|
754 else
|
|
755 {
|
|
756 DWORD dw_unused;
|
|
757 if (!GetOverlappedResult ((HANDLE)str->s, &str->ov, &dw_unused, TRUE))
|
|
758 str->error_p = 1;
|
|
759 str->pending_p = 0;
|
|
760 }
|
|
761 }
|
|
762
|
|
763 str->blocking_p = 0;
|
|
764
|
|
765 if (str->error_p)
|
|
766 return -1;
|
|
767
|
|
768 if (size == 0)
|
|
769 return 0;
|
398
|
770
|
282
|
771 {
|
|
772 ResetEvent (str->ov.hEvent);
|
373
|
773
|
|
774 /* Docs indicate that 4th parameter to WriteFile can be NULL since this is
|
|
775 * an overlapped operation. This fails on Win95 with winsock 1.x so we
|
|
776 * supply a spare address which is ignored by Win95 anyway. Sheesh. */
|
|
777 if (WriteFile ((HANDLE)str->s, data, size, (LPDWORD)&str->buffer, &str->ov)
|
282
|
778 || GetLastError() == ERROR_IO_PENDING)
|
|
779 str->pending_p = 1;
|
|
780 else
|
|
781 str->error_p = 1;
|
|
782 }
|
|
783
|
|
784 return str->error_p ? -1 : size;
|
|
785 }
|
|
786
|
|
787 static int
|
|
788 winsock_closer (Lstream *lstr)
|
|
789 {
|
|
790 struct winsock_stream *str = WINSOCK_STREAM_DATA (lstr);
|
|
791
|
|
792 if (lstr->flags & LSTREAM_FL_READ)
|
|
793 shutdown (str->s, 0);
|
|
794 else
|
|
795 shutdown (str->s, 1);
|
|
796
|
|
797 CloseHandle ((HANDLE)str->s);
|
|
798 if (str->pending_p)
|
|
799 WaitForSingleObject (str->ov.hEvent, INFINITE);
|
|
800
|
|
801 if (lstr->flags & LSTREAM_FL_READ)
|
|
802 xfree (str->buffer);
|
|
803
|
|
804 CloseHandle (str->ov.hEvent);
|
|
805 return 0;
|
|
806 }
|
|
807
|
|
808 static int
|
|
809 winsock_was_blocked_p (Lstream *stream)
|
|
810 {
|
|
811 struct winsock_stream *str = WINSOCK_STREAM_DATA (stream);
|
|
812 return str->blocking_p;
|
|
813 }
|
|
814
|
|
815 static Lisp_Object
|
398
|
816 make_winsock_stream_1 (SOCKET s, LPARAM param, const char *mode)
|
282
|
817 {
|
|
818 Lisp_Object obj;
|
|
819 Lstream *lstr = Lstream_new (lstream_winsock, mode);
|
|
820 struct winsock_stream *str = WINSOCK_STREAM_DATA (lstr);
|
|
821
|
|
822 str->s = s;
|
|
823 str->blocking_p = 0;
|
|
824 str->error_p = 0;
|
|
825 str->eof_p = 0;
|
|
826 str->pending_p = 0;
|
|
827 str->user_data = param;
|
|
828
|
|
829 xzero (str->ov);
|
|
830 str->ov.hEvent = CreateEvent (NULL, TRUE, FALSE, NULL);
|
|
831
|
|
832 if (lstr->flags & LSTREAM_FL_READ)
|
|
833 {
|
|
834 str->buffer = xmalloc (WINSOCK_READ_BUFFER_SIZE);
|
|
835 winsock_initiate_read (str);
|
|
836 }
|
|
837
|
|
838 lstr->flags |= LSTREAM_FL_CLOSE_AT_DISKSAVE;
|
|
839 XSETLSTREAM (obj, lstr);
|
|
840 return obj;
|
|
841 }
|
|
842
|
|
843 static Lisp_Object
|
|
844 make_winsock_input_stream (SOCKET s, LPARAM param)
|
|
845 {
|
|
846 return make_winsock_stream_1 (s, param, "r");
|
|
847 }
|
|
848
|
|
849 static Lisp_Object
|
|
850 make_winsock_output_stream (SOCKET s, LPARAM param)
|
|
851 {
|
|
852 return make_winsock_stream_1 (s, param, "w");
|
|
853 }
|
|
854
|
|
855 static HANDLE
|
|
856 get_winsock_stream_waitable (Lstream *lstr)
|
|
857 {
|
|
858 struct winsock_stream *str = WINSOCK_STREAM_DATA (lstr);
|
|
859 return str->ov.hEvent;
|
|
860 }
|
|
861
|
|
862 static LPARAM
|
|
863 get_winsock_stream_param (Lstream *lstr)
|
|
864 {
|
|
865 struct winsock_stream *str = WINSOCK_STREAM_DATA (lstr);
|
|
866 return str->user_data;
|
|
867 }
|
|
868
|
|
869 static void
|
|
870 init_winsock_stream (void)
|
|
871 {
|
|
872 LSTREAM_HAS_METHOD (winsock, reader);
|
|
873 LSTREAM_HAS_METHOD (winsock, writer);
|
|
874 LSTREAM_HAS_METHOD (winsock, closer);
|
|
875 LSTREAM_HAS_METHOD (winsock, was_blocked_p);
|
|
876 }
|
|
877 #endif /* defined (HAVE_SOCKETS) */
|
|
878
|
|
879 /************************************************************************/
|
274
|
880 /* Dispatch queue management */
|
|
881 /************************************************************************/
|
227
|
882
|
223
|
883 static int
|
398
|
884 mswindows_user_event_p (Lisp_Event* sevt)
|
223
|
885 {
|
|
886 return (sevt->event_type == key_press_event
|
|
887 || sevt->event_type == button_press_event
|
288
|
888 || sevt->event_type == button_release_event
|
|
889 || sevt->event_type == misc_user_event);
|
223
|
890 }
|
|
891
|
398
|
892 /*
|
223
|
893 * Add an emacs event to the proper dispatch queue
|
219
|
894 */
|
406
|
895 void
|
213
|
896 mswindows_enqueue_dispatch_event (Lisp_Object event)
|
|
897 {
|
223
|
898 int user_p = mswindows_user_event_p (XEVENT(event));
|
|
899 enqueue_event (event,
|
398
|
900 user_p ? &mswindows_u_dispatch_event_queue :
|
404
|
901 &mswindows_s_dispatch_event_queue,
|
223
|
902 user_p ? &mswindows_u_dispatch_event_queue_tail :
|
404
|
903 &mswindows_s_dispatch_event_queue_tail);
|
223
|
904
|
276
|
905 /* Avoid blocking on WaitMessage */
|
223
|
906 PostMessage (NULL, XM_BUMPQUEUE, 0, 0);
|
213
|
907 }
|
|
908
|
288
|
909 /*
|
|
910 * Add a misc-user event to the dispatch queue.
|
|
911 *
|
|
912 * Stuff it into our own dispatch queue, so we have something
|
|
913 * to return from next_event callback.
|
|
914 */
|
249
|
915 void
|
288
|
916 mswindows_enqueue_misc_user_event (Lisp_Object channel, Lisp_Object function,
|
|
917 Lisp_Object object)
|
276
|
918 {
|
288
|
919 Lisp_Object event = Fmake_event (Qnil, Qnil);
|
398
|
920 Lisp_Event* e = XEVENT (event);
|
276
|
921
|
288
|
922 e->event_type = misc_user_event;
|
|
923 e->channel = channel;
|
398
|
924 e->timestamp = GetTickCount ();
|
288
|
925 e->event.misc.function = function;
|
|
926 e->event.misc.object = object;
|
276
|
927
|
288
|
928 mswindows_enqueue_dispatch_event (event);
|
276
|
929 }
|
|
930
|
298
|
931 void
|
398
|
932 mswindows_enqueue_magic_event (HWND hwnd, UINT msg)
|
249
|
933 {
|
|
934 Lisp_Object emacs_event = Fmake_event (Qnil, Qnil);
|
398
|
935 Lisp_Event* event = XEVENT (emacs_event);
|
249
|
936
|
288
|
937 event->channel = hwnd ? mswindows_find_frame (hwnd) : Qnil;
|
249
|
938 event->timestamp = GetMessageTime();
|
|
939 event->event_type = magic_event;
|
398
|
940 EVENT_MSWINDOWS_MAGIC_TYPE (event) = msg;
|
249
|
941
|
|
942 mswindows_enqueue_dispatch_event (emacs_event);
|
|
943 }
|
|
944
|
|
945 static void
|
398
|
946 mswindows_enqueue_process_event (Lisp_Process* p)
|
274
|
947 {
|
|
948 Lisp_Object emacs_event = Fmake_event (Qnil, Qnil);
|
398
|
949 Lisp_Event* event = XEVENT (emacs_event);
|
274
|
950 Lisp_Object process;
|
|
951 XSETPROCESS (process, p);
|
|
952
|
|
953 event->event_type = process_event;
|
|
954 event->timestamp = GetTickCount ();
|
|
955 event->event.process.process = process;
|
|
956
|
|
957 mswindows_enqueue_dispatch_event (emacs_event);
|
|
958 }
|
|
959
|
|
960 static void
|
408
|
961 mswindows_enqueue_mouse_button_event (HWND hwnd, UINT msg, POINTS where,
|
|
962 DWORD when)
|
249
|
963 {
|
408
|
964 int downp = (msg == WM_LBUTTONDOWN || msg == WM_MBUTTONDOWN ||
|
|
965 msg == WM_RBUTTONDOWN);
|
249
|
966
|
|
967 /* We always use last message time, because mouse button
|
|
968 events may get delayed, and XEmacs double click
|
|
969 recognition will fail */
|
|
970
|
|
971 Lisp_Object emacs_event = Fmake_event (Qnil, Qnil);
|
408
|
972 Lisp_Event* event = XEVENT (emacs_event);
|
|
973
|
|
974 mswindows_handle_sticky_modifiers (0, 0, downp, 0);
|
|
975 event->channel = mswindows_find_frame (hwnd);
|
249
|
976 event->timestamp = when;
|
|
977 event->event.button.button =
|
398
|
978 (msg==WM_LBUTTONDOWN || msg==WM_LBUTTONUP) ? 1 :
|
|
979 ((msg==WM_RBUTTONDOWN || msg==WM_RBUTTONUP) ? 3 : 2);
|
249
|
980 event->event.button.x = where.x;
|
|
981 event->event.button.y = where.y;
|
|
982 event->event.button.modifiers = mswindows_modifier_state (NULL, 0);
|
398
|
983
|
408
|
984 if (downp)
|
249
|
985 {
|
|
986 event->event_type = button_press_event;
|
|
987 SetCapture (hwnd);
|
384
|
988 /* we need this to make sure the main window regains the focus
|
|
989 from control subwindows */
|
|
990 if (GetFocus() != hwnd)
|
|
991 {
|
|
992 SetFocus (hwnd);
|
|
993 mswindows_enqueue_magic_event (hwnd, WM_SETFOCUS);
|
|
994 }
|
249
|
995 }
|
|
996 else
|
|
997 {
|
|
998 event->event_type = button_release_event;
|
|
999 ReleaseCapture ();
|
|
1000 }
|
398
|
1001
|
249
|
1002 mswindows_enqueue_dispatch_event (emacs_event);
|
|
1003 }
|
|
1004
|
|
1005 static void
|
|
1006 mswindows_enqueue_keypress_event (HWND hwnd, Lisp_Object keysym, int mods)
|
|
1007 {
|
|
1008 Lisp_Object emacs_event = Fmake_event (Qnil, Qnil);
|
398
|
1009 Lisp_Event* event = XEVENT(emacs_event);
|
249
|
1010
|
|
1011 event->channel = mswindows_find_console(hwnd);
|
|
1012 event->timestamp = GetMessageTime();
|
|
1013 event->event_type = key_press_event;
|
|
1014 event->event.key.keysym = keysym;
|
|
1015 event->event.key.modifiers = mods;
|
|
1016 mswindows_enqueue_dispatch_event (emacs_event);
|
|
1017 }
|
|
1018
|
219
|
1019 /*
|
223
|
1020 * Remove and return the first emacs event on the dispatch queue.
|
|
1021 * Give a preference to user events over non-user ones.
|
219
|
1022 */
|
213
|
1023 static Lisp_Object
|
404
|
1024 mswindows_dequeue_dispatch_event (void)
|
213
|
1025 {
|
|
1026 Lisp_Object event;
|
398
|
1027 Lisp_Event* sevt;
|
223
|
1028
|
|
1029 assert (!NILP(mswindows_u_dispatch_event_queue) ||
|
|
1030 !NILP(mswindows_s_dispatch_event_queue));
|
|
1031
|
|
1032 event = dequeue_event (
|
404
|
1033 NILP(mswindows_u_dispatch_event_queue) ?
|
398
|
1034 &mswindows_s_dispatch_event_queue :
|
223
|
1035 &mswindows_u_dispatch_event_queue,
|
404
|
1036 NILP(mswindows_u_dispatch_event_queue) ?
|
223
|
1037 &mswindows_s_dispatch_event_queue_tail :
|
|
1038 &mswindows_u_dispatch_event_queue_tail);
|
|
1039
|
|
1040 sevt = XEVENT(event);
|
|
1041 if (sevt->event_type == key_press_event
|
|
1042 && (sevt->event.key.modifiers & FAKE_MOD_QUIT))
|
|
1043 {
|
|
1044 sevt->event.key.modifiers &= ~FAKE_MOD_QUIT;
|
|
1045 --mswindows_quit_chars_count;
|
|
1046 }
|
|
1047
|
213
|
1048 return event;
|
|
1049 }
|
|
1050
|
|
1051 /*
|
219
|
1052 * Remove and return the first emacs event on the dispatch queue that matches
|
384
|
1053 * the supplied event.
|
|
1054 * Timeout event matches if interval_id is equal to that of the given event.
|
223
|
1055 * Keypress event matches if logical AND between modifiers bitmask of the
|
384
|
1056 * event in the queue and that of the given event is non-zero.
|
|
1057 * For all other event types, this function aborts.
|
219
|
1058 */
|
223
|
1059
|
219
|
1060 Lisp_Object
|
398
|
1061 mswindows_cancel_dispatch_event (Lisp_Event *match)
|
219
|
1062 {
|
|
1063 Lisp_Object event;
|
384
|
1064 Lisp_Object previous_event = Qnil;
|
223
|
1065 int user_p = mswindows_user_event_p (match);
|
398
|
1066 Lisp_Object* head = user_p ? &mswindows_u_dispatch_event_queue :
|
404
|
1067 &mswindows_s_dispatch_event_queue;
|
398
|
1068 Lisp_Object* tail = user_p ? &mswindows_u_dispatch_event_queue_tail :
|
404
|
1069 &mswindows_s_dispatch_event_queue_tail;
|
219
|
1070
|
223
|
1071 assert (match->event_type == timeout_event
|
|
1072 || match->event_type == key_press_event);
|
219
|
1073
|
223
|
1074 EVENT_CHAIN_LOOP (event, *head)
|
|
1075 {
|
398
|
1076 Lisp_Event *e = XEVENT (event);
|
384
|
1077 if ((e->event_type == match->event_type) &&
|
|
1078 ((e->event_type == timeout_event) ?
|
|
1079 (e->event.timeout.interval_id == match->event.timeout.interval_id) :
|
|
1080 /* Must be key_press_event */
|
|
1081 ((e->event.key.modifiers & match->event.key.modifiers) != 0)))
|
223
|
1082 {
|
|
1083 if (NILP (previous_event))
|
|
1084 dequeue_event (head, tail);
|
|
1085 else
|
|
1086 {
|
|
1087 XSET_EVENT_NEXT (previous_event, XEVENT_NEXT (event));
|
|
1088 if (EQ (*tail, event))
|
|
1089 *tail = previous_event;
|
|
1090 }
|
398
|
1091
|
223
|
1092 return event;
|
|
1093 }
|
219
|
1094 previous_event = event;
|
223
|
1095 }
|
239
|
1096 return Qnil;
|
219
|
1097 }
|
274
|
1098
|
384
|
1099 #ifndef HAVE_MSG_SELECT
|
274
|
1100 /************************************************************************/
|
|
1101 /* Waitable handles manipulation */
|
|
1102 /************************************************************************/
|
|
1103 static int
|
|
1104 find_waitable_handle (HANDLE h)
|
|
1105 {
|
|
1106 int i;
|
|
1107 for (i = 0; i < mswindows_waitable_count; ++i)
|
|
1108 if (mswindows_waitable_handles[i] == h)
|
|
1109 return i;
|
219
|
1110
|
274
|
1111 return -1;
|
|
1112 }
|
249
|
1113
|
274
|
1114 static BOOL
|
|
1115 add_waitable_handle (HANDLE h)
|
|
1116 {
|
|
1117 assert (find_waitable_handle (h) < 0);
|
|
1118 if (mswindows_waitable_count == MAX_WAITABLE)
|
|
1119 return FALSE;
|
|
1120
|
|
1121 mswindows_waitable_handles [mswindows_waitable_count++] = h;
|
|
1122 return TRUE;
|
|
1123 }
|
|
1124
|
|
1125 static void
|
|
1126 remove_waitable_handle (HANDLE h)
|
|
1127 {
|
|
1128 int ix = find_waitable_handle (h);
|
|
1129 if (ix < 0)
|
|
1130 return;
|
|
1131
|
398
|
1132 mswindows_waitable_handles [ix] =
|
274
|
1133 mswindows_waitable_handles [--mswindows_waitable_count];
|
|
1134 }
|
384
|
1135 #endif /* HAVE_MSG_SELECT */
|
274
|
1136
|
|
1137
|
249
|
1138 /************************************************************************/
|
|
1139 /* Event pump */
|
|
1140 /************************************************************************/
|
|
1141
|
231
|
1142 static Lisp_Object
|
|
1143 mswindows_modal_loop_error_handler (Lisp_Object cons_sig_data,
|
|
1144 Lisp_Object u_n_u_s_e_d)
|
|
1145 {
|
|
1146 mswindows_error_caught_in_modal_loop = cons_sig_data;
|
|
1147 return Qunbound;
|
|
1148 }
|
|
1149
|
|
1150 Lisp_Object
|
|
1151 mswindows_protect_modal_loop (Lisp_Object (*bfun) (Lisp_Object barg),
|
|
1152 Lisp_Object barg)
|
|
1153 {
|
|
1154 Lisp_Object tmp;
|
|
1155
|
398
|
1156 ++mswindows_in_modal_loop;
|
231
|
1157 tmp = condition_case_1 (Qt,
|
|
1158 bfun, barg,
|
|
1159 mswindows_modal_loop_error_handler, Qnil);
|
|
1160 --mswindows_in_modal_loop;
|
|
1161
|
|
1162 return tmp;
|
|
1163 }
|
|
1164
|
|
1165 void
|
|
1166 mswindows_unmodalize_signal_maybe (void)
|
|
1167 {
|
|
1168 if (!NILP (mswindows_error_caught_in_modal_loop))
|
|
1169 {
|
|
1170 /* Got an error while messages were pumped while
|
|
1171 in window procedure - have to resignal */
|
|
1172 Lisp_Object sym = XCAR (mswindows_error_caught_in_modal_loop);
|
|
1173 Lisp_Object data = XCDR (mswindows_error_caught_in_modal_loop);
|
|
1174 mswindows_error_caught_in_modal_loop = Qnil;
|
|
1175 Fsignal (sym, data);
|
|
1176 }
|
|
1177 }
|
|
1178
|
219
|
1179 /*
|
398
|
1180 * This is an unsafe part of event pump, guarded by
|
227
|
1181 * condition_case. See mswindows_pump_outstanding_events
|
|
1182 */
|
|
1183 static Lisp_Object
|
|
1184 mswindows_unsafe_pump_events (Lisp_Object u_n_u_s_e_d)
|
|
1185 {
|
|
1186 /* This function can call lisp */
|
|
1187 Lisp_Object event = Fmake_event (Qnil, Qnil);
|
|
1188 struct gcpro gcpro1;
|
|
1189 int do_redisplay = 0;
|
|
1190 GCPRO1 (event);
|
|
1191
|
|
1192 while (detect_input_pending ())
|
|
1193 {
|
|
1194 Fnext_event (event, Qnil);
|
|
1195 Fdispatch_event (event);
|
|
1196 do_redisplay = 1;
|
|
1197 }
|
|
1198
|
|
1199 if (do_redisplay)
|
|
1200 redisplay ();
|
|
1201
|
|
1202 Fdeallocate_event (event);
|
|
1203 UNGCPRO;
|
398
|
1204
|
227
|
1205 /* Qt becomes return value of mswindows_pump_outstanding_events
|
|
1206 once we get here */
|
|
1207 return Qt;
|
|
1208 }
|
|
1209
|
|
1210 /*
|
|
1211 * This function pumps emacs events, while available, by using
|
|
1212 * next_message/dispatch_message loop. Errors are trapped around
|
|
1213 * the loop so the function always returns.
|
|
1214 *
|
|
1215 * Windows message queue is not looked into during the call,
|
|
1216 * neither are waitable handles checked. The function pumps
|
|
1217 * thus only dispatch events already queued, as well as those
|
|
1218 * resulted in dispatching thereof. This is done by setting
|
380
|
1219 * module local variable mswindows_in_modal_loop to nonzero.
|
227
|
1220 *
|
231
|
1221 * Return value is Qt if no errors was trapped, or Qunbound if
|
227
|
1222 * there was an error.
|
|
1223 *
|
|
1224 * In case of error, a cons representing the error, in the
|
|
1225 * form (SIGNAL . DATA), is stored in the module local variable
|
231
|
1226 * mswindows_error_caught_in_modal_loop. This error is signaled
|
227
|
1227 * again when DispatchMessage returns. Thus, Windows internal
|
|
1228 * modal loops are protected against throws, which are proven
|
|
1229 * to corrupt internal Windows structures.
|
|
1230 *
|
231
|
1231 * In case of success, mswindows_error_caught_in_modal_loop is
|
227
|
1232 * assigned Qnil.
|
|
1233 *
|
231
|
1234 * If the value of mswindows_error_caught_in_modal_loop is not
|
227
|
1235 * nil already upon entry, the function just returns non-nil.
|
|
1236 * This situation means that a new event has been queued while
|
380
|
1237 * in cancel mode. The event will be dequeued on the next regular
|
227
|
1238 * call of next-event; the pump is off since error is caught.
|
|
1239 * The caller must *unconditionally* cancel modal loop if the
|
|
1240 * value returned by this function is nil. Otherwise, everything
|
|
1241 * will become frozen until the modal loop exits under normal
|
|
1242 * condition (scrollbar drag is released, menu closed etc.)
|
|
1243 */
|
|
1244 Lisp_Object
|
|
1245 mswindows_pump_outstanding_events (void)
|
|
1246 {
|
|
1247 /* This function can call lisp */
|
|
1248
|
|
1249 Lisp_Object result = Qt;
|
249
|
1250 struct gcpro gcpro1;
|
|
1251 GCPRO1 (result);
|
398
|
1252
|
231
|
1253 if (NILP(mswindows_error_caught_in_modal_loop))
|
404
|
1254 result = mswindows_protect_modal_loop (mswindows_unsafe_pump_events, Qnil);
|
249
|
1255 UNGCPRO;
|
227
|
1256 return result;
|
|
1257 }
|
|
1258
|
398
|
1259 /*
|
|
1260 * KEYBOARD_ONLY_P is set to non-zero when we are called from
|
|
1261 * QUITP, and are interesting in keyboard messages only.
|
|
1262 */
|
|
1263 static void
|
404
|
1264 mswindows_drain_windows_queue (void)
|
223
|
1265 {
|
|
1266 MSG msg;
|
398
|
1267
|
|
1268 /* should call mswindows_need_event_in_modal_loop() if in modal loop */
|
|
1269 assert (!mswindows_in_modal_loop);
|
|
1270
|
223
|
1271 while (PeekMessage (&msg, NULL, 0, 0, PM_REMOVE))
|
227
|
1272 {
|
410
|
1273 /* We have to translate messages that are not sent to an XEmacs
|
|
1274 frame. This is so that key presses work ok in things like
|
|
1275 edit fields. However, we *musn't* translate message for XEmacs
|
|
1276 frames as this is handled in the wnd proc.
|
404
|
1277 We also have to avoid generating paint magic events for windows
|
|
1278 that aren't XEmacs frames */
|
410
|
1279 /* GetClassName will truncate a longer class name. By adding one
|
|
1280 extra character, we are forcing textual comparison to fail
|
|
1281 if the name is longer than XEMACS_CLASS */
|
|
1282 char class_name_buf [sizeof (XEMACS_CLASS) + 2] = "";
|
|
1283 GetClassName (msg.hwnd, class_name_buf, sizeof (class_name_buf) - 1);
|
|
1284 if (stricmp (class_name_buf, XEMACS_CLASS) != 0)
|
384
|
1285 {
|
410
|
1286 /* Not an XEmacs frame */
|
384
|
1287 TranslateMessage (&msg);
|
|
1288 }
|
398
|
1289 else if (msg.message == WM_PAINT)
|
|
1290 {
|
404
|
1291 struct mswindows_frame* msframe;
|
|
1292
|
398
|
1293 /* hdc will be NULL unless this is a subwindow - in which case we
|
|
1294 shouldn't have received a paint message for it here. */
|
|
1295 assert (msg.wParam == 0);
|
|
1296
|
400
|
1297 /* Queue a magic event for handling when safe */
|
410
|
1298 msframe =
|
|
1299 FRAME_MSWINDOWS_DATA (XFRAME (mswindows_find_frame (msg.hwnd)));
|
404
|
1300 if (!msframe->paint_pending)
|
|
1301 {
|
|
1302 msframe->paint_pending = 1;
|
|
1303 mswindows_enqueue_magic_event (msg.hwnd, WM_PAINT);
|
|
1304 }
|
398
|
1305 /* Don't dispatch. WM_PAINT is always the last message in the
|
|
1306 queue so it's OK to just return. */
|
|
1307 return;
|
|
1308 }
|
227
|
1309 DispatchMessage (&msg);
|
231
|
1310 mswindows_unmodalize_signal_maybe ();
|
227
|
1311 }
|
|
1312 }
|
|
1313
|
398
|
1314 /*
|
380
|
1315 * This is a special flavor of the mswindows_need_event function,
|
227
|
1316 * used while in event pump. Actually, there is only kind of events
|
|
1317 * allowed while in event pump: a timer. An attempt to fetch any
|
380
|
1318 * other event leads to a deadlock, as there's no source of user input
|
227
|
1319 * ('cause event pump mirrors windows modal loop, which is a sole
|
|
1320 * owner of thread message queue).
|
|
1321 *
|
|
1322 * To detect this, we use a counter of active timers, and allow
|
|
1323 * fetching WM_TIMER messages. Instead of trying to fetch a WM_TIMER
|
|
1324 * which will never come when there are no pending timers, which leads
|
|
1325 * to deadlock, we simply signal an error.
|
|
1326 */
|
|
1327 static void
|
274
|
1328 mswindows_need_event_in_modal_loop (int badly_p)
|
227
|
1329 {
|
|
1330 MSG msg;
|
|
1331
|
|
1332 /* Check if already have one */
|
|
1333 if (!NILP (mswindows_u_dispatch_event_queue)
|
|
1334 || !NILP (mswindows_s_dispatch_event_queue))
|
|
1335 return;
|
|
1336
|
|
1337 /* No event is ok */
|
|
1338 if (!badly_p)
|
|
1339 return;
|
|
1340
|
|
1341 /* We do not check the _u_ queue, because timers go to _s_ */
|
|
1342 while (NILP (mswindows_s_dispatch_event_queue))
|
|
1343 {
|
|
1344 /* We'll deadlock if go waiting */
|
|
1345 if (mswindows_pending_timers_count == 0)
|
|
1346 error ("Deadlock due to an attempt to call next-event in a wrong context");
|
398
|
1347
|
227
|
1348 /* Fetch and dispatch any pending timers */
|
|
1349 GetMessage (&msg, NULL, WM_TIMER, WM_TIMER);
|
|
1350 DispatchMessage (&msg);
|
|
1351 }
|
223
|
1352 }
|
|
1353
|
|
1354 /*
|
|
1355 * This drains the event queue and fills up two internal queues until
|
|
1356 * an event of a type specified by USER_P is retrieved.
|
|
1357 *
|
|
1358 *
|
|
1359 * Used by emacs_mswindows_event_pending_p and emacs_mswindows_next_event
|
|
1360 */
|
|
1361 static void
|
274
|
1362 mswindows_need_event (int badly_p)
|
223
|
1363 {
|
|
1364 int active;
|
|
1365
|
231
|
1366 if (mswindows_in_modal_loop)
|
227
|
1367 {
|
274
|
1368 mswindows_need_event_in_modal_loop (badly_p);
|
227
|
1369 return;
|
|
1370 }
|
|
1371
|
274
|
1372 while (NILP (mswindows_u_dispatch_event_queue)
|
|
1373 && NILP (mswindows_s_dispatch_event_queue))
|
278
|
1374 {
|
|
1375 #ifdef HAVE_MSG_SELECT
|
|
1376 int i;
|
|
1377 SELECT_TYPE temp_mask = input_wait_mask;
|
|
1378 EMACS_TIME sometime;
|
|
1379 EMACS_SELECT_TIME select_time_to_block, *pointer_to_this;
|
398
|
1380
|
278
|
1381 if (badly_p)
|
|
1382 pointer_to_this = 0;
|
|
1383 else
|
|
1384 {
|
|
1385 EMACS_SET_SECS_USECS (sometime, 0, 0);
|
|
1386 EMACS_TIME_TO_SELECT_TIME (sometime, select_time_to_block);
|
|
1387 pointer_to_this = &select_time_to_block;
|
|
1388 }
|
373
|
1389
|
278
|
1390 active = select (MAXDESC, &temp_mask, 0, 0, pointer_to_this);
|
398
|
1391
|
278
|
1392 if (active == 0)
|
|
1393 {
|
398
|
1394 assert (!badly_p);
|
278
|
1395 return; /* timeout */
|
|
1396 }
|
|
1397 else if (active > 0)
|
|
1398 {
|
|
1399 if (FD_ISSET (windows_fd, &temp_mask))
|
|
1400 {
|
|
1401 mswindows_drain_windows_queue ();
|
|
1402 }
|
404
|
1403 else
|
392
|
1404 {
|
404
|
1405 #ifdef HAVE_TTY
|
|
1406 /* Look for a TTY event */
|
|
1407 for (i = 0; i < MAXDESC-1; i++)
|
392
|
1408 {
|
404
|
1409 /* To avoid race conditions (among other things, an infinite
|
|
1410 loop when called from Fdiscard_input()), we must return
|
|
1411 user events ahead of process events. */
|
|
1412 if (FD_ISSET (i, &temp_mask) && FD_ISSET (i, &tty_only_mask))
|
392
|
1413 {
|
404
|
1414 struct console *c = tty_find_console_from_fd (i);
|
|
1415 Lisp_Object emacs_event = Fmake_event (Qnil, Qnil);
|
|
1416 Lisp_Event* event = XEVENT (emacs_event);
|
|
1417
|
|
1418 assert (c);
|
|
1419 if (read_event_from_tty_or_stream_desc (event, c, i))
|
|
1420 {
|
|
1421 mswindows_enqueue_dispatch_event (emacs_event);
|
|
1422 return;
|
|
1423 }
|
392
|
1424 }
|
|
1425 }
|
|
1426 #endif
|
404
|
1427 /* Look for a process event */
|
|
1428 for (i = 0; i < MAXDESC-1; i++)
|
278
|
1429 {
|
404
|
1430 if (FD_ISSET (i, &temp_mask))
|
278
|
1431 {
|
404
|
1432 if (FD_ISSET (i, &process_only_mask))
|
|
1433 {
|
|
1434 Lisp_Process *p =
|
|
1435 get_process_from_usid (FD_TO_USID(i));
|
|
1436
|
|
1437 mswindows_enqueue_process_event (p);
|
|
1438 }
|
|
1439 else
|
|
1440 {
|
|
1441 /* We might get here when a fake event came
|
|
1442 through a signal. Return a dummy event, so
|
|
1443 that a cycle of the command loop will
|
|
1444 occur. */
|
|
1445 drain_signal_event_pipe ();
|
|
1446 mswindows_enqueue_magic_event (NULL, XM_BUMPQUEUE);
|
|
1447 }
|
278
|
1448 }
|
|
1449 }
|
|
1450 }
|
|
1451 }
|
|
1452 else if (active==-1)
|
|
1453 {
|
|
1454 if (errno != EINTR)
|
|
1455 {
|
380
|
1456 /* something bad happened */
|
278
|
1457 assert(0);
|
|
1458 }
|
|
1459 }
|
|
1460 else
|
|
1461 {
|
|
1462 assert(0);
|
|
1463 }
|
|
1464 #else
|
|
1465 /* Now try getting a message or process event */
|
404
|
1466 active = MsgWaitForMultipleObjects (mswindows_waitable_count,
|
|
1467 mswindows_waitable_handles,
|
|
1468 FALSE, badly_p ? INFINITE : 0,
|
|
1469 QS_ALLINPUT);
|
|
1470
|
|
1471 /* This will assert if handle being waited for becomes abandoned.
|
|
1472 Not the case currently tho */
|
|
1473 assert ((!badly_p && active == WAIT_TIMEOUT) ||
|
|
1474 (active >= WAIT_OBJECT_0 &&
|
|
1475 active <= WAIT_OBJECT_0 + mswindows_waitable_count));
|
|
1476
|
|
1477 if (active == WAIT_TIMEOUT)
|
|
1478 {
|
|
1479 /* No luck trying - just return what we've already got */
|
|
1480 return;
|
|
1481 }
|
|
1482 else if (active == WAIT_OBJECT_0 + mswindows_waitable_count)
|
|
1483 {
|
|
1484 /* Got your message, thanks */
|
|
1485 mswindows_drain_windows_queue ();
|
|
1486 }
|
|
1487 else
|
|
1488 {
|
|
1489 int ix = active - WAIT_OBJECT_0;
|
|
1490 /* First, try to find which process' output has signaled */
|
|
1491 Lisp_Process *p =
|
|
1492 get_process_from_usid (HANDLE_TO_USID (mswindows_waitable_handles[ix]));
|
|
1493 if (p != NULL)
|
|
1494 {
|
|
1495 /* Found a signaled process input handle */
|
|
1496 mswindows_enqueue_process_event (p);
|
|
1497 }
|
|
1498 else
|
|
1499 {
|
|
1500 /* None. This means that the process handle itself has signaled.
|
|
1501 Remove the handle from the wait vector, and make status_notify
|
|
1502 note the exited process */
|
|
1503 mswindows_waitable_handles [ix] =
|
|
1504 mswindows_waitable_handles [--mswindows_waitable_count];
|
|
1505 kick_status_notify ();
|
406
|
1506 /* We need to return a process event here so that
|
|
1507 (1) accept-process-output will return when called on this
|
|
1508 process, and (2) status notifications will happen in
|
|
1509 accept-process-output, sleep-for, and sit-for. */
|
|
1510 /* #### horrible kludge till my real process fixes go in.
|
|
1511 */
|
|
1512 if (!NILP (Vprocess_list))
|
|
1513 {
|
|
1514 Lisp_Object vaffanculo = XCAR (Vprocess_list);
|
|
1515 mswindows_enqueue_process_event (XPROCESS (vaffanculo));
|
|
1516 }
|
|
1517 else /* trash me soon. */
|
|
1518 /* Have to return something: there may be no accompanying
|
|
1519 process event */
|
|
1520 mswindows_enqueue_magic_event (NULL, XM_BUMPQUEUE);
|
404
|
1521 }
|
|
1522 }
|
278
|
1523 #endif
|
404
|
1524 } /* while */
|
223
|
1525 }
|
|
1526
|
249
|
1527 /************************************************************************/
|
|
1528 /* Event generators */
|
|
1529 /************************************************************************/
|
|
1530
|
398
|
1531 /*
|
249
|
1532 * Callback procedure for synchronous timer messages
|
|
1533 */
|
|
1534 static void CALLBACK
|
|
1535 mswindows_wm_timer_callback (HWND hwnd, UINT umsg, UINT id_timer, DWORD dwtime)
|
|
1536 {
|
|
1537 Lisp_Object emacs_event = Fmake_event (Qnil, Qnil);
|
398
|
1538 Lisp_Event *event = XEVENT (emacs_event);
|
249
|
1539
|
|
1540 if (KillTimer (NULL, id_timer))
|
|
1541 --mswindows_pending_timers_count;
|
|
1542
|
|
1543 event->channel = Qnil;
|
|
1544 event->timestamp = dwtime;
|
|
1545 event->event_type = timeout_event;
|
|
1546 event->event.timeout.interval_id = id_timer;
|
382
|
1547 event->event.timeout.function = Qnil;
|
|
1548 event->event.timeout.object = Qnil;
|
249
|
1549
|
|
1550 mswindows_enqueue_dispatch_event (emacs_event);
|
|
1551 }
|
|
1552
|
398
|
1553 /*
|
249
|
1554 * Callback procedure for dde messages
|
284
|
1555 *
|
|
1556 * We execute a dde Open("file") by simulating a file drop, so dde support
|
|
1557 * depends on dnd support.
|
249
|
1558 */
|
284
|
1559 #ifdef HAVE_DRAGNDROP
|
249
|
1560 HDDEDATA CALLBACK
|
|
1561 mswindows_dde_callback (UINT uType, UINT uFmt, HCONV hconv,
|
|
1562 HSZ hszTopic, HSZ hszItem, HDDEDATA hdata,
|
|
1563 DWORD dwData1, DWORD dwData2)
|
398
|
1564 {
|
249
|
1565 switch (uType)
|
398
|
1566 {
|
249
|
1567 case XTYP_CONNECT:
|
|
1568 if (!DdeCmpStringHandles (hszTopic, mswindows_dde_topic_system))
|
|
1569 return (HDDEDATA)TRUE;
|
|
1570 return (HDDEDATA)FALSE;
|
|
1571
|
|
1572 case XTYP_WILDCONNECT:
|
|
1573 {
|
|
1574 /* We only support one {service,topic} pair */
|
|
1575 HSZPAIR pairs[2] = {
|
|
1576 { mswindows_dde_service, mswindows_dde_topic_system }, { 0, 0 } };
|
|
1577
|
|
1578 if (!(hszItem || DdeCmpStringHandles (hszItem, mswindows_dde_service)) &&
|
400
|
1579 !(hszTopic || DdeCmpStringHandles (hszTopic, mswindows_dde_topic_system)))
|
249
|
1580 return (DdeCreateDataHandle (mswindows_dde_mlid, (LPBYTE)pairs,
|
|
1581 sizeof (pairs), 0L, 0, uFmt, 0));
|
|
1582 }
|
398
|
1583 return (HDDEDATA)NULL;
|
249
|
1584
|
|
1585 case XTYP_EXECUTE:
|
|
1586 if (!DdeCmpStringHandles (hszTopic, mswindows_dde_topic_system))
|
|
1587 {
|
|
1588 DWORD len = DdeGetData (hdata, NULL, 0, 0);
|
400
|
1589 LPBYTE cmd = (LPBYTE) alloca (len+1);
|
249
|
1590 char *end;
|
282
|
1591 char *filename;
|
|
1592 struct gcpro gcpro1, gcpro2;
|
|
1593 Lisp_Object l_dndlist = Qnil;
|
249
|
1594 Lisp_Object emacs_event = Fmake_event (Qnil, Qnil);
|
284
|
1595 Lisp_Object frmcons, devcons, concons;
|
398
|
1596 Lisp_Event *event = XEVENT (emacs_event);
|
249
|
1597
|
|
1598 DdeGetData (hdata, cmd, len, 0);
|
|
1599 cmd[len] = '\0';
|
|
1600 DdeFreeDataHandle (hdata);
|
|
1601
|
282
|
1602 /* Check syntax & that it's an [Open("foo")] command, which we
|
|
1603 * treat like a file drop */
|
249
|
1604 /* #### Ought to be generalised and accept some other commands */
|
|
1605 if (*cmd == '[')
|
|
1606 cmd++;
|
|
1607 if (strnicmp (cmd, MSWINDOWS_DDE_ITEM_OPEN,
|
|
1608 strlen (MSWINDOWS_DDE_ITEM_OPEN)))
|
|
1609 return DDE_FNOTPROCESSED;
|
|
1610 cmd += strlen (MSWINDOWS_DDE_ITEM_OPEN);
|
|
1611 while (*cmd==' ')
|
|
1612 cmd++;
|
|
1613 if (*cmd!='(' || *(cmd+1)!='\"')
|
|
1614 return DDE_FNOTPROCESSED;
|
|
1615 end = (cmd+=2);
|
|
1616 while (*end && *end!='\"')
|
|
1617 end++;
|
|
1618 if (!*end)
|
|
1619 return DDE_FNOTPROCESSED;
|
|
1620 *end = '\0';
|
|
1621 if (*(++end)!=')')
|
|
1622 return DDE_FNOTPROCESSED;
|
|
1623 if (*(++end)==']')
|
|
1624 end++;
|
|
1625 if (*end)
|
|
1626 return DDE_FNOTPROCESSED;
|
282
|
1627
|
410
|
1628 #ifdef CYGWIN
|
282
|
1629 filename = alloca (cygwin32_win32_to_posix_path_list_buf_size (cmd) + 5);
|
|
1630 strcpy (filename, "file:");
|
|
1631 cygwin32_win32_to_posix_path_list (cmd, filename+5);
|
|
1632 #else
|
|
1633 dostounix_filename (cmd);
|
|
1634 filename = alloca (strlen (cmd)+6);
|
|
1635 strcpy (filename, "file:");
|
|
1636 strcat (filename, cmd);
|
259
|
1637 #endif
|
282
|
1638 GCPRO2 (emacs_event, l_dndlist);
|
|
1639 l_dndlist = make_string (filename, strlen (filename));
|
249
|
1640
|
284
|
1641 /* Find a mswindows frame */
|
249
|
1642 event->channel = Qnil;
|
284
|
1643 FRAME_LOOP_NO_BREAK (frmcons, devcons, concons)
|
|
1644 {
|
|
1645 Lisp_Object frame = XCAR (frmcons);
|
|
1646 if (FRAME_TYPE_P (XFRAME (frame), mswindows))
|
|
1647 event->channel = frame;
|
|
1648 };
|
|
1649 assert (!NILP (event->channel));
|
|
1650
|
249
|
1651 event->timestamp = GetTickCount();
|
282
|
1652 event->event_type = misc_user_event;
|
|
1653 event->event.misc.button = 1;
|
|
1654 event->event.misc.modifiers = 0;
|
|
1655 event->event.misc.x = -1;
|
|
1656 event->event.misc.y = -1;
|
|
1657 event->event.misc.function = Qdragdrop_drop_dispatch;
|
|
1658 event->event.misc.object = Fcons (Qdragdrop_URL,
|
|
1659 Fcons (l_dndlist, Qnil));
|
249
|
1660 mswindows_enqueue_dispatch_event (emacs_event);
|
282
|
1661 UNGCPRO;
|
249
|
1662 return (HDDEDATA) DDE_FACK;
|
|
1663 }
|
398
|
1664 DdeFreeDataHandle (hdata);
|
249
|
1665 return (HDDEDATA) DDE_FNOTPROCESSED;
|
282
|
1666
|
398
|
1667 default:
|
|
1668 return (HDDEDATA) NULL;
|
|
1669 }
|
249
|
1670 }
|
284
|
1671 #endif
|
249
|
1672
|
|
1673 /*
|
398
|
1674 * Helper to do repainting - repaints can happen both from the windows
|
|
1675 * procedure and from magic events
|
|
1676 */
|
404
|
1677 static void
|
398
|
1678 mswindows_handle_paint (struct frame *frame)
|
404
|
1679 {
|
|
1680 HWND hwnd = FRAME_MSWINDOWS_HANDLE (frame);
|
|
1681
|
|
1682 /* According to the docs we need to check GetUpdateRect() before
|
|
1683 actually doing a WM_PAINT */
|
|
1684 if (GetUpdateRect (hwnd, NULL, FALSE))
|
|
1685 {
|
|
1686 PAINTSTRUCT paintStruct;
|
|
1687 int x, y, width, height;
|
|
1688
|
|
1689 BeginPaint (hwnd, &paintStruct);
|
|
1690 x = paintStruct.rcPaint.left;
|
|
1691 y = paintStruct.rcPaint.top;
|
|
1692 width = paintStruct.rcPaint.right - paintStruct.rcPaint.left;
|
|
1693 height = paintStruct.rcPaint.bottom - paintStruct.rcPaint.top;
|
|
1694 /* Normally we want to ignore expose events when child
|
|
1695 windows are unmapped, however once we are in the guts of
|
|
1696 WM_PAINT we need to make sure that we don't register
|
|
1697 unmaps then because they will not actually occur. */
|
408
|
1698 /* #### commenting out the next line seems to fix some problems
|
|
1699 but not all. only andy currently understands this stuff and
|
|
1700 he needs to review it more carefully. --ben */
|
404
|
1701 if (!check_for_ignored_expose (frame, x, y, width, height))
|
|
1702 {
|
|
1703 hold_ignored_expose_registration = 1;
|
|
1704 mswindows_redraw_exposed_area (frame, x, y, width, height);
|
|
1705 hold_ignored_expose_registration = 0;
|
|
1706 }
|
|
1707 EndPaint (hwnd, &paintStruct);
|
|
1708 }
|
|
1709 }
|
398
|
1710
|
|
1711 /*
|
|
1712 * Returns 1 if a key is a real modifier or special key, which
|
|
1713 * is better handled by DefWindowProc
|
|
1714 */
|
|
1715 static int
|
|
1716 key_needs_default_processing_p (UINT vkey)
|
|
1717 {
|
408
|
1718 if (mswindows_alt_by_itself_activates_menu && vkey == VK_MENU
|
|
1719 /* if we let ALT activate the menu like this, then sticky ALT-modified
|
|
1720 keystrokes become impossible. */
|
|
1721 && !modifier_keys_are_sticky)
|
398
|
1722 return 1;
|
|
1723
|
|
1724 return 0;
|
|
1725 }
|
|
1726
|
408
|
1727 /* key-handling code is always ugly. It just ends up working out
|
|
1728 that way.
|
|
1729
|
|
1730 #### Most of the sticky-modifier code below is copied from similar
|
|
1731 code in event-Xt.c. They should somehow or other be merged.
|
|
1732
|
|
1733 Here are some pointers:
|
|
1734
|
|
1735 -- DOWN_MASK indicates which modifiers should be treated as "down"
|
|
1736 when the corresponding upstroke happens. It gets reset for
|
|
1737 a particular modifier when that modifier goes up, and reset
|
|
1738 for all modifiers when a non-modifier key is pressed. Example:
|
|
1739
|
|
1740 I press Control-A-Shift and then release Control-A-Shift.
|
|
1741 I want the Shift key to be sticky but not the Control key.
|
|
1742
|
|
1743 -- If a modifier key is sticky, I can unstick it by pressing
|
|
1744 the modifier key again. */
|
|
1745
|
|
1746 static WPARAM last_downkey;
|
|
1747 static int need_to_add_mask, down_mask;
|
|
1748
|
|
1749 #define XEMSW_LCONTROL (1<<0)
|
|
1750 #define XEMSW_RCONTROL (1<<1)
|
|
1751 #define XEMSW_LSHIFT (1<<2)
|
|
1752 #define XEMSW_RSHIFT (1<<3)
|
|
1753 #define XEMSW_LMENU (1<<4)
|
|
1754 #define XEMSW_RMENU (1<<5)
|
|
1755
|
|
1756 static int
|
|
1757 mswindows_handle_sticky_modifiers (WPARAM wParam, LPARAM lParam,
|
|
1758 int downp, int keyp)
|
|
1759 {
|
|
1760 int mods = 0;
|
|
1761
|
|
1762 if (!modifier_keys_are_sticky) /* Optimize for non-sticky modifiers */
|
|
1763 return 0;
|
|
1764
|
|
1765 if (! (keyp &&
|
|
1766 (wParam == VK_CONTROL || wParam == VK_LCONTROL ||
|
|
1767 wParam == VK_RCONTROL ||
|
|
1768 wParam == VK_MENU || wParam == VK_LMENU ||
|
|
1769 wParam == VK_RMENU ||
|
|
1770 wParam == VK_SHIFT || wParam == VK_LSHIFT ||
|
|
1771 wParam == VK_RSHIFT)))
|
|
1772 { /* Not a modifier key */
|
|
1773 if (downp && keyp && !last_downkey)
|
|
1774 last_downkey = wParam;
|
|
1775 /* If I hold press-and-release the Control key and then press
|
|
1776 and hold down the right arrow, I want it to auto-repeat
|
|
1777 Control-Right. On the other hand, if I do the same but
|
|
1778 manually press the Right arrow a bunch of times, I want
|
|
1779 to see one Control-Right and then a bunch of Rights.
|
|
1780 This means that we need to distinguish between an
|
|
1781 auto-repeated key and a key pressed and released a bunch
|
|
1782 of times. */
|
410
|
1783 else if ((downp && !keyp) ||
|
408
|
1784 (downp && keyp && last_downkey &&
|
|
1785 (wParam != last_downkey ||
|
|
1786 /* the "previous key state" bit indicates autorepeat */
|
|
1787 ! (lParam & (1 << 30)))))
|
|
1788 {
|
|
1789 need_to_add_mask = 0;
|
|
1790 last_downkey = 0;
|
|
1791 }
|
|
1792 if (downp)
|
|
1793 down_mask = 0;
|
|
1794
|
|
1795 mods = need_to_add_mask;
|
|
1796 }
|
|
1797 else /* Modifier key pressed */
|
|
1798 {
|
|
1799 /* If a non-modifier key was pressed in the middle of a bunch
|
|
1800 of modifiers, then it unsticks all the modifiers that were
|
|
1801 previously pressed. We cannot unstick the modifiers until
|
|
1802 now because we want to check for auto-repeat of the
|
|
1803 non-modifier key. */
|
|
1804
|
|
1805 if (last_downkey)
|
|
1806 {
|
|
1807 last_downkey = 0;
|
|
1808 need_to_add_mask = 0;
|
|
1809 }
|
|
1810
|
|
1811 #define FROB(mask) \
|
|
1812 do { \
|
|
1813 if (downp && keyp) \
|
|
1814 { \
|
|
1815 /* If modifier key is already sticky, \
|
|
1816 then unstick it. Note that we do \
|
|
1817 not test down_mask to deal with the \
|
|
1818 unlikely but possible case that the \
|
|
1819 modifier key auto-repeats. */ \
|
|
1820 if (need_to_add_mask & mask) \
|
|
1821 { \
|
|
1822 need_to_add_mask &= ~mask; \
|
|
1823 down_mask &= ~mask; \
|
|
1824 } \
|
|
1825 else \
|
|
1826 down_mask |= mask; \
|
|
1827 } \
|
|
1828 else \
|
|
1829 { \
|
|
1830 if (down_mask & mask) \
|
|
1831 { \
|
|
1832 down_mask &= ~mask; \
|
|
1833 need_to_add_mask |= mask; \
|
|
1834 } \
|
|
1835 } \
|
|
1836 } while (0)
|
|
1837
|
410
|
1838 if ((wParam == VK_CONTROL && (lParam & 0x1000000))
|
408
|
1839 || wParam == VK_RCONTROL)
|
|
1840 FROB (XEMSW_RCONTROL);
|
410
|
1841 if ((wParam == VK_CONTROL && !(lParam & 0x1000000))
|
408
|
1842 || wParam == VK_LCONTROL)
|
|
1843 FROB (XEMSW_LCONTROL);
|
|
1844
|
410
|
1845 if ((wParam == VK_SHIFT && (lParam & 0x1000000))
|
408
|
1846 || wParam == VK_RSHIFT)
|
|
1847 FROB (XEMSW_RSHIFT);
|
410
|
1848 if ((wParam == VK_SHIFT && !(lParam & 0x1000000))
|
408
|
1849 || wParam == VK_LSHIFT)
|
|
1850 FROB (XEMSW_LSHIFT);
|
|
1851
|
410
|
1852 if ((wParam == VK_MENU && (lParam & 0x1000000))
|
408
|
1853 || wParam == VK_RMENU)
|
|
1854 FROB (XEMSW_RMENU);
|
410
|
1855 if ((wParam == VK_MENU && !(lParam & 0x1000000))
|
408
|
1856 || wParam == VK_LMENU)
|
|
1857 FROB (XEMSW_LMENU);
|
|
1858 }
|
|
1859 #undef FROB
|
|
1860
|
|
1861 if (mods && downp)
|
|
1862 {
|
|
1863 BYTE keymap[256];
|
|
1864
|
|
1865 GetKeyboardState (keymap);
|
|
1866
|
|
1867 if (mods & XEMSW_LCONTROL)
|
|
1868 {
|
|
1869 keymap [VK_CONTROL] |= 0x80;
|
|
1870 keymap [VK_LCONTROL] |= 0x80;
|
|
1871 }
|
|
1872 if (mods & XEMSW_RCONTROL)
|
|
1873 {
|
|
1874 keymap [VK_CONTROL] |= 0x80;
|
|
1875 keymap [VK_RCONTROL] |= 0x80;
|
|
1876 }
|
|
1877
|
|
1878 if (mods & XEMSW_LSHIFT)
|
|
1879 {
|
|
1880 keymap [VK_SHIFT] |= 0x80;
|
|
1881 keymap [VK_LSHIFT] |= 0x80;
|
|
1882 }
|
|
1883 if (mods & XEMSW_RSHIFT)
|
|
1884 {
|
|
1885 keymap [VK_SHIFT] |= 0x80;
|
|
1886 keymap [VK_RSHIFT] |= 0x80;
|
|
1887 }
|
|
1888
|
|
1889 if (mods & XEMSW_LMENU)
|
|
1890 {
|
|
1891 keymap [VK_MENU] |= 0x80;
|
|
1892 keymap [VK_LMENU] |= 0x80;
|
|
1893 }
|
|
1894 if (mods & XEMSW_RMENU)
|
|
1895 {
|
|
1896 keymap [VK_MENU] |= 0x80;
|
|
1897 keymap [VK_RMENU] |= 0x80;
|
|
1898 }
|
|
1899
|
|
1900 SetKeyboardState (keymap);
|
|
1901 return 1;
|
|
1902 }
|
|
1903
|
|
1904 return 0;
|
|
1905 }
|
|
1906
|
|
1907 static void
|
|
1908 clear_sticky_modifiers (void)
|
|
1909 {
|
|
1910 need_to_add_mask = 0;
|
|
1911 last_downkey = 0;
|
|
1912 down_mask = 0;
|
|
1913 }
|
|
1914
|
|
1915 #ifdef DEBUG_XEMACS
|
|
1916
|
410
|
1917 #if 0
|
|
1918
|
408
|
1919 static void
|
|
1920 output_modifier_keyboard_state (void)
|
|
1921 {
|
|
1922 BYTE keymap[256];
|
|
1923
|
|
1924 GetKeyboardState (keymap);
|
|
1925
|
|
1926 stderr_out ("GetKeyboardState VK_MENU %d %d VK_LMENU %d %d VK_RMENU %d %d\n",
|
|
1927 keymap[VK_MENU] & 0x80 ? 1 : 0,
|
|
1928 keymap[VK_MENU] & 0x1 ? 1 : 0,
|
|
1929 keymap[VK_LMENU] & 0x80 ? 1 : 0,
|
|
1930 keymap[VK_LMENU] & 0x1 ? 1 : 0,
|
|
1931 keymap[VK_RMENU] & 0x80 ? 1 : 0,
|
|
1932 keymap[VK_RMENU] & 0x1 ? 1 : 0);
|
|
1933 stderr_out ("GetKeyboardState VK_CONTROL %d %d VK_LCONTROL %d %d VK_RCONTROL %d %d\n",
|
|
1934 keymap[VK_CONTROL] & 0x80 ? 1 : 0,
|
|
1935 keymap[VK_CONTROL] & 0x1 ? 1 : 0,
|
|
1936 keymap[VK_LCONTROL] & 0x80 ? 1 : 0,
|
|
1937 keymap[VK_LCONTROL] & 0x1 ? 1 : 0,
|
|
1938 keymap[VK_RCONTROL] & 0x80 ? 1 : 0,
|
|
1939 keymap[VK_RCONTROL] & 0x1 ? 1 : 0);
|
|
1940 stderr_out ("GetKeyboardState VK_SHIFT %d %d VK_LSHIFT %d %d VK_RSHIFT %d %d\n",
|
|
1941 keymap[VK_SHIFT] & 0x80 ? 1 : 0,
|
|
1942 keymap[VK_SHIFT] & 0x1 ? 1 : 0,
|
|
1943 keymap[VK_LSHIFT] & 0x80 ? 1 : 0,
|
|
1944 keymap[VK_LSHIFT] & 0x1 ? 1 : 0,
|
|
1945 keymap[VK_RSHIFT] & 0x80 ? 1 : 0,
|
|
1946 keymap[VK_RSHIFT] & 0x1 ? 1 : 0);
|
|
1947 }
|
|
1948
|
410
|
1949 #endif
|
|
1950
|
408
|
1951 /* try to debug the stuck-alt-key problem.
|
|
1952
|
|
1953 #### this happens only inconsistently, and may only happen when using
|
|
1954 StickyKeys in the Win2000 accessibility section of the control panel,
|
|
1955 which is extremely broken for other reasons. */
|
|
1956
|
|
1957 static void
|
|
1958 output_alt_keyboard_state (void)
|
|
1959 {
|
|
1960 BYTE keymap[256];
|
|
1961 SHORT keystate[3];
|
|
1962 // SHORT asyncstate[3];
|
|
1963
|
|
1964 GetKeyboardState (keymap);
|
|
1965 keystate[0] = GetKeyState (VK_MENU);
|
|
1966 keystate[1] = GetKeyState (VK_LMENU);
|
|
1967 keystate[2] = GetKeyState (VK_RMENU);
|
|
1968 /* Doing this interferes with key processing. */
|
|
1969 /* asyncstate[0] = GetAsyncKeyState (VK_MENU); */
|
|
1970 /* asyncstate[1] = GetAsyncKeyState (VK_LMENU); */
|
|
1971 /* asyncstate[2] = GetAsyncKeyState (VK_RMENU); */
|
|
1972
|
|
1973 stderr_out ("GetKeyboardState VK_MENU %d %d VK_LMENU %d %d VK_RMENU %d %d\n",
|
|
1974 keymap[VK_MENU] & 0x80 ? 1 : 0,
|
|
1975 keymap[VK_MENU] & 0x1 ? 1 : 0,
|
|
1976 keymap[VK_LMENU] & 0x80 ? 1 : 0,
|
|
1977 keymap[VK_LMENU] & 0x1 ? 1 : 0,
|
|
1978 keymap[VK_RMENU] & 0x80 ? 1 : 0,
|
|
1979 keymap[VK_RMENU] & 0x1 ? 1 : 0);
|
|
1980 stderr_out ("GetKeyState VK_MENU %d %d VK_LMENU %d %d VK_RMENU %d %d\n",
|
|
1981 keystate[0] & 0x8000 ? 1 : 0,
|
|
1982 keystate[0] & 0x1 ? 1 : 0,
|
|
1983 keystate[1] & 0x8000 ? 1 : 0,
|
|
1984 keystate[1] & 0x1 ? 1 : 0,
|
|
1985 keystate[2] & 0x8000 ? 1 : 0,
|
|
1986 keystate[2] & 0x1 ? 1 : 0);
|
|
1987 /* stderr_out ("GetAsyncKeyState VK_MENU %d %d VK_LMENU %d %d VK_RMENU %d %d\n", */
|
|
1988 /* asyncstate[0] & 0x8000 ? 1 : 0, */
|
|
1989 /* asyncstate[0] & 0x1 ? 1 : 0, */
|
|
1990 /* asyncstate[1] & 0x8000 ? 1 : 0, */
|
|
1991 /* asyncstate[1] & 0x1 ? 1 : 0, */
|
|
1992 /* asyncstate[2] & 0x8000 ? 1 : 0, */
|
|
1993 /* asyncstate[2] & 0x1 ? 1 : 0); */
|
|
1994 }
|
|
1995
|
|
1996 #endif /* DEBUG_XEMACS */
|
|
1997
|
|
1998
|
398
|
1999 /*
|
249
|
2000 * The windows procedure for the window class XEMACS_CLASS
|
|
2001 */
|
|
2002 LRESULT WINAPI
|
410
|
2003 mswindows_wnd_proc (HWND hwnd, UINT message_, WPARAM wParam, LPARAM lParam)
|
249
|
2004 {
|
380
|
2005 /* Note: Remember to initialize emacs_event and event before use.
|
249
|
2006 This code calls code that can GC. You must GCPRO before calling such code. */
|
|
2007 Lisp_Object emacs_event = Qnil;
|
|
2008 Lisp_Object fobj = Qnil;
|
|
2009
|
398
|
2010 Lisp_Event *event;
|
249
|
2011 struct frame *frame;
|
|
2012 struct mswindows_frame* msframe;
|
|
2013
|
404
|
2014 assert (!GetWindowLong (hwnd, GWL_USERDATA));
|
410
|
2015 switch (message_)
|
249
|
2016 {
|
404
|
2017 case WM_DESTROYCLIPBOARD:
|
|
2018 /* We own the clipboard and someone else wants it. Delete our
|
|
2019 cached copy of the clipboard contents so we'll ask for it from
|
410
|
2020 Windows again when someone does a paste, and destroy any memory
|
|
2021 objects we hold on the clipboard that are not in the list of types
|
|
2022 that Windows will delete itself. */
|
|
2023 mswindows_destroy_selection (QCLIPBOARD);
|
|
2024 handle_selection_clear (QCLIPBOARD);
|
404
|
2025 break;
|
|
2026
|
|
2027 case WM_ERASEBKGND:
|
|
2028 /* Erase background only during non-dynamic sizing */
|
|
2029 msframe = FRAME_MSWINDOWS_DATA (XFRAME (mswindows_find_frame (hwnd)));
|
|
2030 if (msframe->sizing && !mswindows_dynamic_frame_resize)
|
|
2031 goto defproc;
|
|
2032 return 1;
|
|
2033
|
|
2034 case WM_CLOSE:
|
|
2035 fobj = mswindows_find_frame (hwnd);
|
|
2036 mswindows_enqueue_misc_user_event (fobj, Qeval, list3 (Qdelete_frame, fobj, Qt));
|
398
|
2037 break;
|
249
|
2038
|
404
|
2039 case WM_KEYUP:
|
|
2040 case WM_SYSKEYUP:
|
408
|
2041
|
404
|
2042 /* See Win95 comment under WM_KEYDOWN */
|
249
|
2043 {
|
404
|
2044 BYTE keymap[256];
|
|
2045 int should_set_keymap = 0;
|
|
2046
|
408
|
2047 #ifdef DEBUG_XEMACS
|
|
2048 if (mswindows_debug_events)
|
|
2049 {
|
|
2050 stderr_out ("%s wparam=%d lparam=%d\n",
|
410
|
2051 message_ == WM_KEYUP ? "WM_KEYUP" : "WM_SYSKEYUP",
|
408
|
2052 wParam, (int)lParam);
|
|
2053 output_alt_keyboard_state ();
|
|
2054 }
|
|
2055 #endif /* DEBUG_XEMACS */
|
|
2056
|
|
2057 mswindows_handle_sticky_modifiers (wParam, lParam, 0, 1);
|
404
|
2058 if (wParam == VK_CONTROL)
|
249
|
2059 {
|
404
|
2060 GetKeyboardState (keymap);
|
|
2061 keymap [(lParam & 0x1000000) ? VK_RCONTROL : VK_LCONTROL] &= ~0x80;
|
|
2062 should_set_keymap = 1;
|
249
|
2063 }
|
404
|
2064 else if (wParam == VK_MENU)
|
249
|
2065 {
|
404
|
2066 GetKeyboardState (keymap);
|
|
2067 keymap [(lParam & 0x1000000) ? VK_RMENU : VK_LMENU] &= ~0x80;
|
|
2068 should_set_keymap = 1;
|
249
|
2069 }
|
404
|
2070
|
408
|
2071 if (should_set_keymap)
|
410
|
2072 // && (message_ != WM_SYSKEYUP
|
408
|
2073 // || NILP (Vmenu_accelerator_enabled)))
|
404
|
2074 SetKeyboardState (keymap);
|
|
2075
|
249
|
2076 }
|
408
|
2077
|
404
|
2078 if (key_needs_default_processing_p (wParam))
|
|
2079 goto defproc;
|
|
2080 else
|
|
2081 break;
|
|
2082
|
|
2083 case WM_KEYDOWN:
|
|
2084 case WM_SYSKEYDOWN:
|
408
|
2085
|
404
|
2086 /* In some locales the right-hand Alt key is labelled AltGr. This key
|
|
2087 * should produce alternative charcaters when combined with another key.
|
|
2088 * eg on a German keyboard pressing AltGr+q should produce '@'.
|
|
2089 * AltGr generates exactly the same keystrokes as LCtrl+RAlt. But if
|
|
2090 * TranslateMessage() is called with *any* combination of Ctrl+Alt down,
|
|
2091 * it translates as if AltGr were down.
|
|
2092 * We get round this by removing all modifiers from the keymap before
|
|
2093 * calling TranslateMessage() unless AltGr is *really* down. */
|
249
|
2094 {
|
408
|
2095 BYTE keymap_trans[256];
|
|
2096 BYTE keymap_orig[256];
|
|
2097 BYTE keymap_sticky[256];
|
404
|
2098 int has_AltGr = mswindows_current_layout_has_AltGr ();
|
408
|
2099 int mods = 0;
|
404
|
2100 int extendedp = lParam & 0x1000000;
|
|
2101 Lisp_Object keysym;
|
408
|
2102 int sticky_changed;
|
|
2103
|
|
2104 #ifdef DEBUG_XEMACS
|
|
2105 if (mswindows_debug_events)
|
|
2106 {
|
|
2107 stderr_out ("%s wparam=%d lparam=%d\n",
|
410
|
2108 message_ == WM_KEYDOWN ? "WM_KEYDOWN" : "WM_SYSKEYDOWN",
|
408
|
2109 wParam, (int)lParam);
|
|
2110 output_alt_keyboard_state ();
|
|
2111 }
|
|
2112 #endif /* DEBUG_XEMACS */
|
|
2113
|
|
2114 GetKeyboardState (keymap_orig);
|
404
|
2115 frame = XFRAME (mswindows_find_frame (hwnd));
|
408
|
2116 if ((sticky_changed =
|
|
2117 mswindows_handle_sticky_modifiers (wParam, lParam, 1, 1)))
|
|
2118 {
|
|
2119 GetKeyboardState (keymap_sticky);
|
|
2120 if (keymap_sticky[VK_MENU] & 0x80)
|
|
2121 {
|
410
|
2122 message_ = WM_SYSKEYDOWN;
|
408
|
2123 /* We have to set the "context bit" so that the
|
|
2124 TranslateMessage() call below that generates the
|
|
2125 SYSCHAR message does its thing; see the documentation
|
|
2126 on WM_SYSKEYDOWN */
|
|
2127 lParam |= 1 << 29;
|
|
2128 }
|
|
2129 }
|
|
2130 else
|
|
2131 memcpy (keymap_sticky, keymap_orig, 256);
|
|
2132
|
|
2133 mods = mswindows_modifier_state (keymap_sticky, has_AltGr);
|
404
|
2134
|
|
2135 /* Handle non-printables */
|
|
2136 if (!NILP (keysym = mswindows_key_to_emacs_keysym (wParam, mods,
|
|
2137 extendedp)))
|
408
|
2138 {
|
|
2139 mswindows_enqueue_keypress_event (hwnd, keysym, mods);
|
|
2140 if (sticky_changed)
|
|
2141 SetKeyboardState (keymap_orig);
|
|
2142 }
|
404
|
2143 else /* Normal keys & modifiers */
|
249
|
2144 {
|
408
|
2145 Emchar quit_ch =
|
|
2146 CONSOLE_QUIT_CHAR (XCONSOLE (mswindows_find_console (hwnd)));
|
404
|
2147 POINT pnt = { LOWORD (GetMessagePos()), HIWORD (GetMessagePos()) };
|
|
2148 MSG msg, tranmsg;
|
|
2149 int potential_accelerator = 0;
|
|
2150 int got_accelerator = 0;
|
|
2151
|
|
2152 msg.hwnd = hwnd;
|
410
|
2153 msg.message = message_;
|
404
|
2154 msg.wParam = wParam;
|
|
2155 msg.lParam = lParam;
|
|
2156 msg.time = GetMessageTime();
|
|
2157 msg.pt = pnt;
|
|
2158
|
|
2159 /* GetKeyboardState() does not work as documented on Win95. We have
|
|
2160 * to loosely track Left and Right modifiers on behalf of the OS,
|
|
2161 * without screwing up Windows NT which tracks them properly. */
|
|
2162 if (wParam == VK_CONTROL)
|
408
|
2163 {
|
|
2164 keymap_orig[extendedp ? VK_RCONTROL : VK_LCONTROL] |= 0x80;
|
|
2165 keymap_sticky[extendedp ? VK_RCONTROL : VK_LCONTROL] |= 0x80;
|
|
2166 }
|
404
|
2167 else if (wParam == VK_MENU)
|
408
|
2168 {
|
|
2169 keymap_orig[extendedp ? VK_RMENU : VK_LMENU] |= 0x80;
|
|
2170 keymap_sticky[extendedp ? VK_RMENU : VK_LMENU] |= 0x80;
|
|
2171 }
|
404
|
2172
|
|
2173 if (!NILP (Vmenu_accelerator_enabled) &&
|
410
|
2174 !(mods & XEMACS_MOD_SHIFT) && message_ == WM_SYSKEYDOWN)
|
404
|
2175 potential_accelerator = 1;
|
|
2176
|
|
2177 /* Remove shift modifier from an ascii character */
|
|
2178 mods &= ~XEMACS_MOD_SHIFT;
|
|
2179
|
408
|
2180 memcpy (keymap_trans, keymap_sticky, 256);
|
|
2181
|
404
|
2182 /* Clear control and alt modifiers unless AltGr is pressed */
|
408
|
2183 keymap_trans[VK_RCONTROL] = 0;
|
|
2184 keymap_trans[VK_LMENU] = 0;
|
|
2185 if (!has_AltGr || !(keymap_trans[VK_LCONTROL] & 0x80)
|
|
2186 || !(keymap_trans[VK_RMENU] & 0x80))
|
404
|
2187 {
|
408
|
2188 keymap_trans[VK_LCONTROL] = 0;
|
|
2189 keymap_trans[VK_CONTROL] = 0;
|
|
2190 keymap_trans[VK_RMENU] = 0;
|
|
2191 keymap_trans[VK_MENU] = 0;
|
404
|
2192 }
|
408
|
2193 SetKeyboardState (keymap_trans);
|
404
|
2194
|
|
2195 /* Maybe generate some WM_[SYS]CHARs in the queue */
|
|
2196 TranslateMessage (&msg);
|
|
2197
|
|
2198 while (PeekMessage (&tranmsg, hwnd, WM_CHAR, WM_CHAR, PM_REMOVE)
|
408
|
2199 || PeekMessage (&tranmsg, hwnd, WM_SYSCHAR, WM_SYSCHAR,
|
|
2200 PM_REMOVE))
|
404
|
2201 {
|
|
2202 int mods1 = mods;
|
|
2203 WPARAM ch = tranmsg.wParam;
|
|
2204
|
|
2205 /* If a quit char with no modifiers other than control and
|
|
2206 shift, then mark it with a fake modifier, which is removed
|
|
2207 upon dequeueing the event */
|
|
2208 /* #### This might also not withstand localization, if
|
|
2209 quit character is not a latin-1 symbol */
|
408
|
2210 if (((quit_ch < ' ' && (mods & XEMACS_MOD_CONTROL)
|
|
2211 && quit_ch + 'a' - 1 == ch)
|
|
2212 || (quit_ch >= ' ' && !(mods & XEMACS_MOD_CONTROL)
|
|
2213 && quit_ch == ch))
|
|
2214 && ((mods & ~(XEMACS_MOD_CONTROL | XEMACS_MOD_SHIFT))
|
|
2215 == 0))
|
404
|
2216 {
|
|
2217 mods1 |= FAKE_MOD_QUIT;
|
|
2218 ++mswindows_quit_chars_count;
|
|
2219 }
|
|
2220 else if (potential_accelerator && !got_accelerator &&
|
410
|
2221 mswindows_char_is_accelerator (frame, ch))
|
404
|
2222 {
|
|
2223 got_accelerator = 1;
|
|
2224 break;
|
|
2225 }
|
|
2226 mswindows_enqueue_keypress_event (hwnd, make_char (ch), mods1);
|
|
2227 } /* while */
|
408
|
2228
|
404
|
2229 /* This generates WM_SYSCHAR messages, which are interpreted
|
|
2230 by DefWindowProc as the menu selections. */
|
|
2231 if (got_accelerator)
|
|
2232 {
|
408
|
2233 SetKeyboardState (keymap_sticky);
|
404
|
2234 TranslateMessage (&msg);
|
408
|
2235 SetKeyboardState (keymap_orig);
|
404
|
2236 goto defproc;
|
|
2237 }
|
408
|
2238
|
|
2239 SetKeyboardState (keymap_orig);
|
404
|
2240 } /* else */
|
249
|
2241 }
|
408
|
2242
|
404
|
2243 if (key_needs_default_processing_p (wParam))
|
|
2244 goto defproc;
|
|
2245 else
|
|
2246 break;
|
|
2247
|
|
2248 case WM_MBUTTONDOWN:
|
|
2249 case WM_MBUTTONUP:
|
|
2250 /* Real middle mouse button has nothing to do with emulated one:
|
|
2251 if one wants to exercise fingers playing chords on the mouse,
|
|
2252 he is allowed to do that! */
|
410
|
2253 mswindows_enqueue_mouse_button_event (hwnd, message_,
|
404
|
2254 MAKEPOINTS (lParam), GetMessageTime());
|
|
2255 break;
|
|
2256
|
|
2257 case WM_LBUTTONUP:
|
|
2258 msframe = FRAME_MSWINDOWS_DATA (XFRAME (mswindows_find_frame (hwnd)));
|
|
2259 msframe->last_click_time = GetMessageTime();
|
|
2260
|
|
2261 KillTimer (hwnd, BUTTON_2_TIMER_ID);
|
|
2262 msframe->button2_need_lbutton = 0;
|
|
2263 if (msframe->ignore_next_lbutton_up)
|
|
2264 {
|
|
2265 msframe->ignore_next_lbutton_up = 0;
|
|
2266 }
|
|
2267 else if (msframe->button2_is_down)
|
|
2268 {
|
|
2269 msframe->button2_is_down = 0;
|
|
2270 msframe->ignore_next_rbutton_up = 1;
|
|
2271 mswindows_enqueue_mouse_button_event (hwnd, WM_MBUTTONUP,
|
|
2272 MAKEPOINTS (lParam), GetMessageTime());
|
|
2273 }
|
|
2274 else
|
|
2275 {
|
|
2276 if (msframe->button2_need_rbutton)
|
|
2277 {
|
|
2278 msframe->button2_need_rbutton = 0;
|
|
2279 mswindows_enqueue_mouse_button_event (hwnd, WM_LBUTTONDOWN,
|
|
2280 MAKEPOINTS (lParam), GetMessageTime());
|
|
2281 }
|
|
2282 mswindows_enqueue_mouse_button_event (hwnd, WM_LBUTTONUP,
|
|
2283 MAKEPOINTS (lParam), GetMessageTime());
|
|
2284 }
|
|
2285 break;
|
|
2286
|
|
2287 case WM_RBUTTONUP:
|
|
2288 msframe = FRAME_MSWINDOWS_DATA (XFRAME (mswindows_find_frame (hwnd)));
|
|
2289 msframe->last_click_time = GetMessageTime();
|
|
2290
|
|
2291 KillTimer (hwnd, BUTTON_2_TIMER_ID);
|
|
2292 msframe->button2_need_rbutton = 0;
|
|
2293 if (msframe->ignore_next_rbutton_up)
|
|
2294 {
|
|
2295 msframe->ignore_next_rbutton_up = 0;
|
|
2296 }
|
|
2297 else if (msframe->button2_is_down)
|
|
2298 {
|
|
2299 msframe->button2_is_down = 0;
|
|
2300 msframe->ignore_next_lbutton_up = 1;
|
|
2301 mswindows_enqueue_mouse_button_event (hwnd, WM_MBUTTONUP,
|
|
2302 MAKEPOINTS (lParam), GetMessageTime());
|
|
2303 }
|
|
2304 else
|
|
2305 {
|
|
2306 if (msframe->button2_need_lbutton)
|
|
2307 {
|
|
2308 msframe->button2_need_lbutton = 0;
|
|
2309 mswindows_enqueue_mouse_button_event (hwnd, WM_RBUTTONDOWN,
|
|
2310 MAKEPOINTS (lParam), GetMessageTime());
|
|
2311 }
|
|
2312 mswindows_enqueue_mouse_button_event (hwnd, WM_RBUTTONUP,
|
|
2313 MAKEPOINTS (lParam), GetMessageTime());
|
|
2314 }
|
|
2315 break;
|
|
2316
|
|
2317 case WM_LBUTTONDOWN:
|
|
2318 msframe = FRAME_MSWINDOWS_DATA (XFRAME (mswindows_find_frame (hwnd)));
|
|
2319
|
|
2320 if (msframe->button2_need_lbutton)
|
249
|
2321 {
|
|
2322 KillTimer (hwnd, BUTTON_2_TIMER_ID);
|
404
|
2323 msframe->button2_need_lbutton = 0;
|
|
2324 msframe->button2_need_rbutton = 0;
|
|
2325 if (mswindows_button2_near_enough (msframe->last_click_point, MAKEPOINTS (lParam)))
|
|
2326 {
|
|
2327 mswindows_enqueue_mouse_button_event (hwnd, WM_MBUTTONDOWN,
|
|
2328 MAKEPOINTS (lParam), GetMessageTime());
|
|
2329 msframe->button2_is_down = 1;
|
|
2330 }
|
|
2331 else
|
|
2332 {
|
|
2333 mswindows_enqueue_mouse_button_event (hwnd, WM_RBUTTONDOWN,
|
|
2334 msframe->last_click_point, msframe->last_click_time);
|
|
2335 mswindows_enqueue_mouse_button_event (hwnd, WM_LBUTTONDOWN,
|
|
2336 MAKEPOINTS (lParam), GetMessageTime());
|
|
2337 }
|
249
|
2338 }
|
404
|
2339 else
|
278
|
2340 {
|
404
|
2341 mswindows_set_chord_timer (hwnd);
|
|
2342 msframe->button2_need_rbutton = 1;
|
|
2343 msframe->last_click_point = MAKEPOINTS (lParam);
|
398
|
2344 }
|
404
|
2345 msframe->last_click_time = GetMessageTime();
|
|
2346 break;
|
|
2347
|
|
2348 case WM_RBUTTONDOWN:
|
|
2349 msframe = FRAME_MSWINDOWS_DATA (XFRAME (mswindows_find_frame (hwnd)));
|
|
2350
|
|
2351 if (msframe->button2_need_rbutton)
|
398
|
2352 {
|
404
|
2353 KillTimer (hwnd, BUTTON_2_TIMER_ID);
|
|
2354 msframe->button2_need_lbutton = 0;
|
|
2355 msframe->button2_need_rbutton = 0;
|
|
2356 if (mswindows_button2_near_enough (msframe->last_click_point, MAKEPOINTS (lParam)))
|
|
2357 {
|
|
2358 mswindows_enqueue_mouse_button_event (hwnd, WM_MBUTTONDOWN,
|
|
2359 MAKEPOINTS (lParam), GetMessageTime());
|
|
2360 msframe->button2_is_down = 1;
|
|
2361 }
|
|
2362 else
|
|
2363 {
|
|
2364 mswindows_enqueue_mouse_button_event (hwnd, WM_LBUTTONDOWN,
|
|
2365 msframe->last_click_point, msframe->last_click_time);
|
|
2366 mswindows_enqueue_mouse_button_event (hwnd, WM_RBUTTONDOWN,
|
|
2367 MAKEPOINTS (lParam), GetMessageTime());
|
|
2368 }
|
249
|
2369 }
|
|
2370 else
|
|
2371 {
|
404
|
2372 mswindows_set_chord_timer (hwnd);
|
|
2373 msframe->button2_need_lbutton = 1;
|
|
2374 msframe->last_click_point = MAKEPOINTS (lParam);
|
|
2375 }
|
|
2376 msframe->last_click_time = GetMessageTime();
|
|
2377 break;
|
|
2378
|
|
2379 case WM_TIMER:
|
|
2380 if (wParam == BUTTON_2_TIMER_ID)
|
|
2381 {
|
|
2382 msframe = FRAME_MSWINDOWS_DATA (XFRAME (mswindows_find_frame (hwnd)));
|
|
2383 KillTimer (hwnd, BUTTON_2_TIMER_ID);
|
|
2384
|
|
2385 if (msframe->button2_need_lbutton)
|
|
2386 {
|
|
2387 msframe->button2_need_lbutton = 0;
|
|
2388 mswindows_enqueue_mouse_button_event (hwnd, WM_RBUTTONDOWN,
|
|
2389 msframe->last_click_point, msframe->last_click_time);
|
|
2390 }
|
|
2391 else if (msframe->button2_need_rbutton)
|
|
2392 {
|
|
2393 msframe->button2_need_rbutton = 0;
|
|
2394 mswindows_enqueue_mouse_button_event (hwnd, WM_LBUTTONDOWN,
|
|
2395 msframe->last_click_point, msframe->last_click_time);
|
|
2396 }
|
|
2397 }
|
|
2398 else
|
|
2399 assert ("Spurious timer fired" == 0);
|
|
2400 break;
|
|
2401
|
|
2402 case WM_MOUSEMOVE:
|
|
2403 /* Optimization: don't report mouse movement while size is changing */
|
|
2404 msframe = FRAME_MSWINDOWS_DATA (XFRAME (mswindows_find_frame (hwnd)));
|
|
2405 if (!msframe->sizing)
|
|
2406 {
|
|
2407 /* When waiting for the second mouse button to finish
|
|
2408 button2 emulation, and have moved too far, just pretend
|
|
2409 as if timer has expired. This improves drag-select feedback */
|
|
2410 if ((msframe->button2_need_lbutton || msframe->button2_need_rbutton)
|
|
2411 && !mswindows_button2_near_enough (msframe->last_click_point,
|
|
2412 MAKEPOINTS (lParam)))
|
269
|
2413 {
|
404
|
2414 KillTimer (hwnd, BUTTON_2_TIMER_ID);
|
|
2415 SendMessage (hwnd, WM_TIMER, BUTTON_2_TIMER_ID, 0);
|
|
2416 }
|
|
2417
|
|
2418 emacs_event = Fmake_event (Qnil, Qnil);
|
|
2419 event = XEVENT(emacs_event);
|
|
2420
|
|
2421 event->channel = mswindows_find_frame(hwnd);
|
|
2422 event->timestamp = GetMessageTime();
|
|
2423 event->event_type = pointer_motion_event;
|
|
2424 event->event.motion.x = MAKEPOINTS(lParam).x;
|
|
2425 event->event.motion.y = MAKEPOINTS(lParam).y;
|
|
2426 event->event.motion.modifiers = mswindows_modifier_state (NULL, 0);
|
|
2427
|
|
2428 mswindows_enqueue_dispatch_event (emacs_event);
|
|
2429 }
|
|
2430 break;
|
|
2431
|
|
2432 case WM_CANCELMODE:
|
|
2433 ReleaseCapture ();
|
|
2434 /* Queue a `cancel-mode-internal' misc user event, so mouse
|
|
2435 selection would be canceled if any */
|
|
2436 mswindows_enqueue_misc_user_event (mswindows_find_frame (hwnd),
|
|
2437 Qcancel_mode_internal, Qnil);
|
|
2438 break;
|
|
2439
|
|
2440 case WM_NOTIFY:
|
|
2441 {
|
|
2442 LPNMHDR nmhdr = (LPNMHDR)lParam;
|
|
2443
|
|
2444 if (nmhdr->code == TTN_NEEDTEXT)
|
|
2445 {
|
|
2446 #ifdef HAVE_TOOLBARS
|
|
2447 LPTOOLTIPTEXT tttext = (LPTOOLTIPTEXT)lParam;
|
|
2448 Lisp_Object btext;
|
|
2449
|
|
2450 /* find out which toolbar */
|
|
2451 frame = XFRAME (mswindows_find_frame (hwnd));
|
|
2452 btext = mswindows_get_toolbar_button_text ( frame,
|
|
2453 nmhdr->idFrom );
|
|
2454
|
|
2455 tttext->lpszText = NULL;
|
|
2456 tttext->hinst = NULL;
|
|
2457
|
|
2458 if (!NILP(btext))
|
|
2459 {
|
|
2460 /* I think this is safe since the text will only go away
|
|
2461 when the toolbar does...*/
|
|
2462 TO_EXTERNAL_FORMAT (LISP_STRING, btext,
|
|
2463 C_STRING_ALLOCA, tttext->lpszText,
|
|
2464 Qnative);
|
|
2465 }
|
|
2466 #endif
|
|
2467 }
|
|
2468 /* handle tree view callbacks */
|
|
2469 else if (nmhdr->code == TVN_SELCHANGED)
|
|
2470 {
|
|
2471 NM_TREEVIEW* ptree = (NM_TREEVIEW*)lParam;
|
|
2472 frame = XFRAME (mswindows_find_frame (hwnd));
|
|
2473 mswindows_handle_gui_wm_command (frame, 0, ptree->itemNew.lParam);
|
|
2474 }
|
|
2475 /* handle tab control callbacks */
|
|
2476 else if (nmhdr->code == TCN_SELCHANGE)
|
|
2477 {
|
|
2478 TC_ITEM item;
|
|
2479 int idx = SendMessage (nmhdr->hwndFrom, TCM_GETCURSEL, 0, 0);
|
|
2480 frame = XFRAME (mswindows_find_frame (hwnd));
|
|
2481
|
|
2482 item.mask = TCIF_PARAM;
|
|
2483 SendMessage (nmhdr->hwndFrom, TCM_GETITEM, (WPARAM)idx,
|
|
2484 (LPARAM)&item);
|
|
2485
|
|
2486 mswindows_handle_gui_wm_command (frame, 0, item.lParam);
|
|
2487 }
|
|
2488 }
|
|
2489 break;
|
|
2490
|
|
2491 case WM_PAINT:
|
|
2492 /* hdc will be NULL unless this is a subwindow - in which case we
|
|
2493 shouldn't have received a paint message for it here. */
|
|
2494 assert (wParam == 0);
|
|
2495
|
|
2496 /* Can't queue a magic event because windows goes modal and sends paint
|
|
2497 messages directly to the windows procedure when doing solid drags
|
|
2498 and the message queue doesn't get processed. */
|
|
2499 mswindows_handle_paint (XFRAME (mswindows_find_frame (hwnd)));
|
|
2500 break;
|
|
2501
|
|
2502 case WM_SIZE:
|
|
2503 /* We only care about this message if our size has really changed */
|
|
2504 if (wParam==SIZE_RESTORED || wParam==SIZE_MAXIMIZED || wParam==SIZE_MINIMIZED)
|
|
2505 {
|
|
2506 RECT rect;
|
|
2507 int columns, rows;
|
|
2508
|
|
2509 fobj = mswindows_find_frame (hwnd);
|
|
2510 frame = XFRAME (fobj);
|
|
2511 msframe = FRAME_MSWINDOWS_DATA (frame);
|
|
2512
|
|
2513 /* We cannot handle frame map and unmap hooks right in
|
|
2514 this routine, because these may throw. We queue
|
|
2515 magic events to run these hooks instead - kkm */
|
|
2516
|
|
2517 if (wParam==SIZE_MINIMIZED)
|
|
2518 {
|
|
2519 /* Iconified */
|
|
2520 FRAME_VISIBLE_P (frame) = 0;
|
|
2521 mswindows_enqueue_magic_event (hwnd, XM_UNMAPFRAME);
|
269
|
2522 }
|
|
2523 else
|
|
2524 {
|
404
|
2525 GetClientRect(hwnd, &rect);
|
|
2526 FRAME_PIXWIDTH(frame) = rect.right;
|
|
2527 FRAME_PIXHEIGHT(frame) = rect.bottom;
|
|
2528
|
|
2529 pixel_to_real_char_size (frame, rect.right, rect.bottom,
|
|
2530 &FRAME_MSWINDOWS_CHARWIDTH (frame),
|
|
2531 &FRAME_MSWINDOWS_CHARHEIGHT (frame));
|
|
2532
|
|
2533 pixel_to_char_size (frame, rect.right, rect.bottom, &columns, &rows);
|
|
2534 change_frame_size (frame, rows, columns, 1);
|
|
2535
|
|
2536 /* If we are inside frame creation, we have to apply geometric
|
|
2537 properties now. */
|
|
2538 if (FRAME_MSWINDOWS_TARGET_RECT (frame))
|
|
2539 {
|
|
2540 /* Yes, we have to size again */
|
|
2541 mswindows_size_frame_internal ( frame,
|
|
2542 FRAME_MSWINDOWS_TARGET_RECT
|
|
2543 (frame));
|
|
2544 /* Reset so we do not get here again. The SetWindowPos call in
|
|
2545 * mswindows_size_frame_internal can cause recursion here. */
|
|
2546 if (FRAME_MSWINDOWS_TARGET_RECT (frame))
|
|
2547 {
|
|
2548 xfree (FRAME_MSWINDOWS_TARGET_RECT (frame));
|
|
2549 FRAME_MSWINDOWS_TARGET_RECT (frame) = 0;
|
|
2550 }
|
|
2551 }
|
|
2552 else
|
|
2553 {
|
|
2554 if (!msframe->sizing && !FRAME_VISIBLE_P (frame))
|
|
2555 mswindows_enqueue_magic_event (hwnd, XM_MAPFRAME);
|
|
2556 FRAME_VISIBLE_P (frame) = 1;
|
|
2557
|
|
2558 if (!msframe->sizing || mswindows_dynamic_frame_resize)
|
|
2559 redisplay ();
|
|
2560 }
|
269
|
2561 }
|
249
|
2562 }
|
404
|
2563 break;
|
|
2564
|
|
2565 case WM_DISPLAYCHANGE:
|
|
2566 {
|
|
2567 struct device *d;
|
410
|
2568 DWORD message_tick = GetMessageTime ();
|
404
|
2569
|
|
2570 fobj = mswindows_find_frame (hwnd);
|
|
2571 frame = XFRAME (fobj);
|
|
2572 d = XDEVICE (FRAME_DEVICE (frame));
|
|
2573
|
410
|
2574 /* Do this only once per message. XEmacs can receive this message
|
|
2575 through as many frames as it currently has open. Message time
|
|
2576 will be the same for all these messages. Despite extreme
|
|
2577 efficiency, the code below has about one in 4 billion
|
|
2578 probability that the HDC is not recreated, provided that
|
|
2579 XEmacs is running sufficiently longer than 52 days. */
|
|
2580 if (DEVICE_MSWINDOWS_UPDATE_TICK(d) != message_tick)
|
|
2581 {
|
|
2582 DEVICE_MSWINDOWS_UPDATE_TICK(d) = message_tick;
|
|
2583 DeleteDC (DEVICE_MSWINDOWS_HCDC(d));
|
|
2584 DEVICE_MSWINDOWS_HCDC(d) = CreateCompatibleDC (NULL);
|
|
2585 }
|
404
|
2586 }
|
410
|
2587 break;
|
404
|
2588
|
|
2589 /* Misc magic events which only require that the frame be identified */
|
|
2590 case WM_SETFOCUS:
|
|
2591 case WM_KILLFOCUS:
|
410
|
2592 mswindows_enqueue_magic_event (hwnd, message_);
|
404
|
2593 break;
|
|
2594
|
|
2595 case WM_WINDOWPOSCHANGING:
|
249
|
2596 {
|
404
|
2597 WINDOWPOS *wp = (LPWINDOWPOS) lParam;
|
|
2598 WINDOWPLACEMENT wpl = { sizeof(WINDOWPLACEMENT) };
|
|
2599 GetWindowPlacement(hwnd, &wpl);
|
|
2600
|
|
2601 /* Only interested if size is changing and we're not being iconified */
|
|
2602 if (wpl.showCmd != SW_SHOWMINIMIZED
|
|
2603 && wpl.showCmd != SW_SHOWMAXIMIZED
|
|
2604 && !(wp->flags & SWP_NOSIZE))
|
249
|
2605 {
|
404
|
2606 RECT ncsize = { 0, 0, 0, 0 };
|
|
2607 int pixwidth, pixheight;
|
|
2608 AdjustWindowRectEx (&ncsize, GetWindowLong (hwnd, GWL_STYLE),
|
|
2609 GetMenu(hwnd) != NULL,
|
|
2610 GetWindowLong (hwnd, GWL_EXSTYLE));
|
|
2611
|
|
2612 round_size_to_real_char (XFRAME (mswindows_find_frame (hwnd)),
|
|
2613 wp->cx - (ncsize.right - ncsize.left),
|
|
2614 wp->cy - (ncsize.bottom - ncsize.top),
|
|
2615 &pixwidth, &pixheight);
|
|
2616
|
|
2617 /* Convert client sizes to window sizes */
|
|
2618 pixwidth += (ncsize.right - ncsize.left);
|
|
2619 pixheight += (ncsize.bottom - ncsize.top);
|
|
2620
|
|
2621 if (wpl.showCmd != SW_SHOWMAXIMIZED)
|
|
2622 {
|
|
2623 /* Adjust so that the bottom or right doesn't move if it's
|
|
2624 * the top or left that's being changed */
|
|
2625 RECT rect;
|
|
2626 GetWindowRect (hwnd, &rect);
|
|
2627
|
|
2628 if (rect.left != wp->x)
|
|
2629 wp->x += wp->cx - pixwidth;
|
|
2630 if (rect.top != wp->y)
|
|
2631 wp->y += wp->cy - pixheight;
|
|
2632 }
|
|
2633
|
|
2634 wp->cx = pixwidth;
|
|
2635 wp->cy = pixheight;
|
249
|
2636 }
|
404
|
2637 /* DefWindowProc sends useful WM_GETMINMAXINFO message, and adjusts
|
|
2638 window position if the user tries to track window too small */
|
249
|
2639 }
|
404
|
2640 goto defproc;
|
|
2641
|
|
2642 case WM_ENTERSIZEMOVE:
|
|
2643 msframe = FRAME_MSWINDOWS_DATA (XFRAME (mswindows_find_frame (hwnd)));
|
|
2644 msframe->sizing = 1;
|
|
2645 return 0;
|
|
2646
|
|
2647 case WM_EXITSIZEMOVE:
|
|
2648 msframe = FRAME_MSWINDOWS_DATA (XFRAME (mswindows_find_frame (hwnd)));
|
|
2649 msframe->sizing = 0;
|
|
2650 /* Queue noop event */
|
|
2651 mswindows_enqueue_magic_event (NULL, XM_BUMPQUEUE);
|
|
2652 return 0;
|
249
|
2653
|
|
2654 #ifdef HAVE_SCROLLBARS
|
404
|
2655 case WM_VSCROLL:
|
|
2656 case WM_HSCROLL:
|
|
2657 {
|
|
2658 /* Direction of scroll is determined by scrollbar instance. */
|
|
2659 int code = (int) LOWORD(wParam);
|
|
2660 int pos = (short int) HIWORD(wParam);
|
|
2661 HWND hwndScrollBar = (HWND) lParam;
|
|
2662 struct gcpro gcpro1, gcpro2;
|
|
2663
|
|
2664 mswindows_handle_scrollbar_event (hwndScrollBar, code, pos);
|
|
2665 GCPRO2 (emacs_event, fobj);
|
|
2666 if (UNBOUNDP(mswindows_pump_outstanding_events())) /* Can GC */
|
|
2667 {
|
|
2668 /* Error during event pumping - cancel scroll */
|
|
2669 SendMessage (hwndScrollBar, WM_CANCELMODE, 0, 0);
|
|
2670 }
|
|
2671 UNGCPRO;
|
|
2672 break;
|
|
2673 }
|
|
2674
|
|
2675 case WM_MOUSEWHEEL:
|
|
2676 {
|
|
2677 int keys = LOWORD (wParam); /* Modifier key flags */
|
|
2678 int delta = (short) HIWORD (wParam); /* Wheel rotation amount */
|
|
2679 struct gcpro gcpro1, gcpro2;
|
|
2680
|
|
2681 if (mswindows_handle_mousewheel_event (mswindows_find_frame (hwnd), keys, delta))
|
|
2682 {
|
|
2683 GCPRO2 (emacs_event, fobj);
|
|
2684 mswindows_pump_outstanding_events (); /* Can GC */
|
|
2685 UNGCPRO;
|
|
2686 }
|
|
2687 else
|
|
2688 goto defproc;
|
|
2689 break;
|
|
2690 }
|
249
|
2691 #endif
|
|
2692
|
|
2693 #ifdef HAVE_MENUBARS
|
404
|
2694 case WM_INITMENU:
|
|
2695 if (UNBOUNDP (mswindows_handle_wm_initmenu (
|
|
2696 (HMENU) wParam,
|
|
2697 XFRAME (mswindows_find_frame (hwnd)))))
|
|
2698 SendMessage (hwnd, WM_CANCELMODE, 0, 0);
|
|
2699 break;
|
|
2700
|
|
2701 case WM_INITMENUPOPUP:
|
|
2702 if (!HIWORD(lParam))
|
|
2703 {
|
|
2704 if (UNBOUNDP (mswindows_handle_wm_initmenupopup (
|
|
2705 (HMENU) wParam,
|
|
2706 XFRAME (mswindows_find_frame (hwnd)))))
|
|
2707 SendMessage (hwnd, WM_CANCELMODE, 0, 0);
|
|
2708 }
|
|
2709 break;
|
249
|
2710
|
|
2711 #endif /* HAVE_MENUBARS */
|
|
2712
|
404
|
2713 case WM_COMMAND:
|
|
2714 {
|
|
2715 WORD id = LOWORD (wParam);
|
|
2716 WORD nid = HIWORD (wParam);
|
|
2717 HWND cid = (HWND)lParam;
|
|
2718 frame = XFRAME (mswindows_find_frame (hwnd));
|
249
|
2719
|
276
|
2720 #ifdef HAVE_TOOLBARS
|
404
|
2721 if (!NILP (mswindows_handle_toolbar_wm_command (frame, cid, id)))
|
|
2722 break;
|
276
|
2723 #endif
|
404
|
2724 /* widgets in a buffer only eval a callback for suitable events.*/
|
|
2725 switch (nid)
|
|
2726 {
|
|
2727 case BN_CLICKED:
|
|
2728 case EN_CHANGE:
|
|
2729 case CBN_EDITCHANGE:
|
|
2730 case CBN_SELCHANGE:
|
|
2731 if (!NILP (mswindows_handle_gui_wm_command (frame, cid, id)))
|
|
2732 return 0;
|
|
2733 }
|
|
2734 /* menubars always must come last since the hashtables do not
|
|
2735 always exist*/
|
249
|
2736 #ifdef HAVE_MENUBARS
|
404
|
2737 if (!NILP (mswindows_handle_wm_command (frame, id)))
|
|
2738 break;
|
249
|
2739 #endif
|
|
2740
|
410
|
2741 return DefWindowProc (hwnd, message_, wParam, lParam);
|
404
|
2742 /* Bite me - a spurious command. This used to not be able to
|
|
2743 happen but with the introduction of widgets its now
|
|
2744 possible. */
|
|
2745 }
|
|
2746 break;
|
|
2747
|
|
2748 case WM_CTLCOLORBTN:
|
|
2749 case WM_CTLCOLORLISTBOX:
|
|
2750 case WM_CTLCOLOREDIT:
|
|
2751 case WM_CTLCOLORSTATIC:
|
|
2752 case WM_CTLCOLORSCROLLBAR:
|
|
2753 {
|
|
2754 /* if we get an opportunity to paint a widget then do so if
|
|
2755 there is an appropriate face */
|
|
2756 HWND crtlwnd = (HWND)lParam;
|
|
2757 LONG ii = GetWindowLong (crtlwnd, GWL_USERDATA);
|
|
2758 if (ii)
|
|
2759 {
|
|
2760 Lisp_Object image_instance;
|
|
2761 VOID_TO_LISP (image_instance, ii);
|
|
2762 if (IMAGE_INSTANCEP (image_instance)
|
|
2763 &&
|
|
2764 IMAGE_INSTANCE_TYPE_P (image_instance, IMAGE_WIDGET))
|
|
2765 {
|
|
2766 /* set colors for the buttons */
|
|
2767 HDC hdc = (HDC)wParam;
|
|
2768 if (last_widget_brushed != ii)
|
|
2769 {
|
|
2770 if (widget_brush)
|
|
2771 DeleteObject (widget_brush);
|
|
2772 widget_brush = CreateSolidBrush
|
|
2773 (COLOR_INSTANCE_MSWINDOWS_COLOR
|
|
2774 (XCOLOR_INSTANCE
|
|
2775 (FACE_BACKGROUND
|
|
2776 (XIMAGE_INSTANCE_WIDGET_FACE (image_instance),
|
408
|
2777 XIMAGE_INSTANCE_FRAME (image_instance)))));
|
404
|
2778 }
|
|
2779 last_widget_brushed = ii;
|
|
2780 SetTextColor
|
|
2781 (hdc,
|
|
2782 COLOR_INSTANCE_MSWINDOWS_COLOR
|
|
2783 (XCOLOR_INSTANCE
|
|
2784 (FACE_FOREGROUND
|
|
2785 (XIMAGE_INSTANCE_WIDGET_FACE (image_instance),
|
408
|
2786 XIMAGE_INSTANCE_FRAME (image_instance)))));
|
404
|
2787 SetBkMode (hdc, OPAQUE);
|
|
2788 SetBkColor
|
|
2789 (hdc,
|
|
2790 COLOR_INSTANCE_MSWINDOWS_COLOR
|
|
2791 (XCOLOR_INSTANCE
|
|
2792 (FACE_BACKGROUND
|
|
2793 (XIMAGE_INSTANCE_WIDGET_FACE (image_instance),
|
408
|
2794 XIMAGE_INSTANCE_FRAME (image_instance)))));
|
404
|
2795 return (LRESULT)widget_brush;
|
|
2796 }
|
|
2797 }
|
|
2798 }
|
|
2799 goto defproc;
|
384
|
2800
|
284
|
2801 #ifdef HAVE_DRAGNDROP
|
404
|
2802 case WM_DROPFILES: /* implementation ripped-off from event-Xt.c */
|
|
2803 {
|
|
2804 UINT filecount, i, len;
|
|
2805 POINT point;
|
|
2806 char* filename;
|
|
2807 char* fname;
|
|
2808
|
|
2809 Lisp_Object l_dndlist = Qnil, l_item = Qnil;
|
|
2810 struct gcpro gcpro1, gcpro2, gcpro3;
|
|
2811
|
|
2812 emacs_event = Fmake_event (Qnil, Qnil);
|
|
2813 event = XEVENT(emacs_event);
|
|
2814
|
|
2815 GCPRO3 (emacs_event, l_dndlist, l_item);
|
|
2816
|
|
2817 if (!DragQueryPoint ((HDROP) wParam, &point))
|
|
2818 point.x = point.y = -1; /* outside client area */
|
|
2819
|
|
2820 event->event_type = misc_user_event;
|
|
2821 event->channel = mswindows_find_frame(hwnd);
|
|
2822 event->timestamp = GetMessageTime();
|
|
2823 event->event.misc.button = 1; /* #### Should try harder */
|
|
2824 event->event.misc.modifiers = mswindows_modifier_state (NULL, 0);
|
|
2825 event->event.misc.x = point.x;
|
|
2826 event->event.misc.y = point.y;
|
|
2827 event->event.misc.function = Qdragdrop_drop_dispatch;
|
|
2828
|
|
2829 filecount = DragQueryFile ((HDROP) wParam, 0xffffffff, NULL, 0);
|
|
2830 for (i=0; i<filecount; i++)
|
|
2831 {
|
|
2832 len = DragQueryFile ((HDROP) wParam, i, NULL, 0);
|
|
2833 /* The URLs that we make here aren't correct according to section
|
|
2834 * 3.10 of rfc1738 because they're missing the //<host>/ part and
|
|
2835 * because they may contain reserved characters. But that's OK -
|
|
2836 * they just need to be good enough to keep dragdrop.el happy. */
|
|
2837 fname = (char *)xmalloc (len+1);
|
|
2838 DragQueryFile ((HANDLE) wParam, i, fname, len+1);
|
|
2839
|
|
2840 /* May be a shell link aka "shortcut" - replace fname if so */
|
410
|
2841 #if !(defined(CYGWIN) || defined(MINGW))
|
404
|
2842 /* cygwin doesn't define this COM stuff */
|
|
2843 if (!stricmp (fname + strlen (fname) - 4, ".LNK"))
|
|
2844 {
|
|
2845 IShellLink* psl;
|
|
2846
|
|
2847 if (CoCreateInstance (&CLSID_ShellLink, NULL,
|
|
2848 CLSCTX_INPROC_SERVER, &IID_IShellLink, &psl) == S_OK)
|
|
2849 {
|
|
2850 IPersistFile* ppf;
|
|
2851
|
|
2852 if (psl->lpVtbl->QueryInterface (psl, &IID_IPersistFile,
|
|
2853 &ppf) == S_OK)
|
|
2854 {
|
|
2855 WORD wsz[MAX_PATH];
|
|
2856 WIN32_FIND_DATA wfd;
|
|
2857 LPSTR resolved = (char *) xmalloc (MAX_PATH+1);
|
|
2858
|
|
2859 MultiByteToWideChar (CP_ACP,0, fname, -1, wsz, MAX_PATH);
|
|
2860
|
|
2861 if ((ppf->lpVtbl->Load (ppf, wsz, STGM_READ) == S_OK) &&
|
|
2862 (psl->lpVtbl->GetPath (psl, resolved, MAX_PATH,
|
|
2863 &wfd, 0)==S_OK))
|
|
2864 {
|
|
2865 xfree (fname);
|
|
2866 fname = resolved;
|
|
2867 len = strlen (fname);
|
|
2868 }
|
|
2869
|
|
2870 ppf->lpVtbl->Release (ppf);
|
|
2871 }
|
|
2872
|
|
2873 psl->lpVtbl->Release (psl);
|
|
2874 }
|
|
2875 }
|
259
|
2876 #endif
|
404
|
2877
|
410
|
2878 #ifdef CYGWIN
|
404
|
2879 filename = xmalloc (cygwin32_win32_to_posix_path_list_buf_size (fname) + 5);
|
|
2880 strcpy (filename, "file:");
|
|
2881 cygwin32_win32_to_posix_path_list (fname, filename+5);
|
259
|
2882 #else
|
404
|
2883 filename = (char *)xmalloc (len+6);
|
|
2884 strcat (strcpy (filename, "file:"), fname);
|
|
2885 dostounix_filename (filename+5);
|
259
|
2886 #endif
|
404
|
2887 xfree (fname);
|
|
2888 l_item = make_string (filename, strlen (filename));
|
|
2889 l_dndlist = Fcons (l_item, l_dndlist);
|
|
2890 xfree (filename);
|
|
2891 }
|
|
2892 DragFinish ((HDROP) wParam);
|
|
2893
|
|
2894 event->event.misc.object = Fcons (Qdragdrop_URL, l_dndlist);
|
|
2895 mswindows_enqueue_dispatch_event (emacs_event);
|
|
2896 UNGCPRO;
|
|
2897 }
|
|
2898 break;
|
|
2899 #endif
|
|
2900
|
|
2901 defproc:
|
|
2902 default:
|
410
|
2903 return DefWindowProc (hwnd, message_, wParam, lParam);
|
249
|
2904 }
|
|
2905 return (0);
|
|
2906 }
|
|
2907
|
|
2908
|
|
2909 /************************************************************************/
|
|
2910 /* keyboard, mouse & other helpers for the windows procedure */
|
|
2911 /************************************************************************/
|
|
2912 static void
|
|
2913 mswindows_set_chord_timer (HWND hwnd)
|
|
2914 {
|
|
2915 int interval;
|
|
2916
|
269
|
2917 /* We get one third half system double click threshold */
|
272
|
2918 if (mswindows_mouse_button_tolerance <= 0)
|
269
|
2919 interval = GetDoubleClickTime () / 3;
|
249
|
2920 else
|
272
|
2921 interval = mswindows_mouse_button_tolerance;
|
249
|
2922
|
|
2923 SetTimer (hwnd, BUTTON_2_TIMER_ID, interval, 0);
|
|
2924 }
|
|
2925
|
|
2926 static int
|
|
2927 mswindows_button2_near_enough (POINTS p1, POINTS p2)
|
|
2928 {
|
|
2929 int dx, dy;
|
272
|
2930 if (mswindows_mouse_button_max_skew_x <= 0)
|
249
|
2931 dx = GetSystemMetrics (SM_CXDOUBLECLK) / 2;
|
|
2932 else
|
272
|
2933 dx = mswindows_mouse_button_max_skew_x;
|
249
|
2934
|
272
|
2935 if (mswindows_mouse_button_max_skew_y <= 0)
|
249
|
2936 dy = GetSystemMetrics (SM_CYDOUBLECLK) / 2;
|
|
2937 else
|
272
|
2938 dy = mswindows_mouse_button_max_skew_y;
|
249
|
2939
|
|
2940 return abs (p1.x - p2.x) < dx && abs (p1.y- p2.y)< dy;
|
|
2941 }
|
|
2942
|
|
2943 static int
|
|
2944 mswindows_current_layout_has_AltGr (void)
|
|
2945 {
|
|
2946 /* This simple caching mechanism saves 10% of CPU
|
|
2947 time when a key typed at autorepeat rate of 30 cps! */
|
|
2948 static HKL last_hkl = 0;
|
|
2949 static int last_hkl_has_AltGr;
|
|
2950
|
|
2951 HKL current_hkl = GetKeyboardLayout (0);
|
|
2952 if (current_hkl != last_hkl)
|
|
2953 {
|
|
2954 TCHAR c;
|
|
2955 last_hkl_has_AltGr = 0;
|
|
2956 /* In this loop, we query whether a character requires
|
|
2957 AltGr to be down to generate it. If at least such one
|
|
2958 found, this means that the layout does regard AltGr */
|
|
2959 for (c = ' '; c <= 0xFFU && c != 0 && !last_hkl_has_AltGr; ++c)
|
|
2960 if (HIBYTE (VkKeyScan (c)) == 6)
|
|
2961 last_hkl_has_AltGr = 1;
|
|
2962 last_hkl = current_hkl;
|
|
2963 }
|
|
2964 return last_hkl_has_AltGr;
|
|
2965 }
|
|
2966
|
|
2967
|
|
2968 /* Returns the state of the modifier keys in the format expected by the
|
|
2969 * Lisp_Event key_data, button_data and motion_data modifiers member */
|
408
|
2970 static int
|
|
2971 mswindows_modifier_state (BYTE* keymap, int has_AltGr)
|
249
|
2972 {
|
|
2973 int mods = 0;
|
408
|
2974 BYTE keymap2[256];
|
249
|
2975
|
|
2976 if (keymap == NULL)
|
|
2977 {
|
408
|
2978 keymap = keymap2;
|
249
|
2979 GetKeyboardState (keymap);
|
|
2980 has_AltGr = mswindows_current_layout_has_AltGr ();
|
|
2981 }
|
|
2982
|
|
2983 if (has_AltGr && (keymap [VK_LCONTROL] & 0x80) && (keymap [VK_RMENU] & 0x80))
|
|
2984 {
|
404
|
2985 mods |= (keymap [VK_LMENU] & 0x80) ? XEMACS_MOD_META : 0;
|
|
2986 mods |= (keymap [VK_RCONTROL] & 0x80) ? XEMACS_MOD_CONTROL : 0;
|
249
|
2987 }
|
|
2988 else
|
|
2989 {
|
404
|
2990 mods |= (keymap [VK_MENU] & 0x80) ? XEMACS_MOD_META : 0;
|
|
2991 mods |= (keymap [VK_CONTROL] & 0x80) ? XEMACS_MOD_CONTROL : 0;
|
249
|
2992 }
|
|
2993
|
404
|
2994 mods |= (keymap [VK_SHIFT] & 0x80) ? XEMACS_MOD_SHIFT : 0;
|
249
|
2995
|
|
2996 return mods;
|
|
2997 }
|
|
2998
|
|
2999 /*
|
|
3000 * Translate a mswindows virtual key to a keysym.
|
|
3001 * Only returns non-Qnil for keys that don't generate WM_CHAR messages
|
|
3002 * or whose ASCII codes (like space) xemacs doesn't like.
|
371
|
3003 * Virtual key values are defined in winresrc.h
|
249
|
3004 */
|
398
|
3005 Lisp_Object mswindows_key_to_emacs_keysym (int mswindows_key, int mods,
|
|
3006 int extendedp)
|
249
|
3007 {
|
398
|
3008 if (extendedp) /* Keys not present on a 82 key keyboard */
|
|
3009 {
|
|
3010 switch (mswindows_key)
|
|
3011 {
|
|
3012 case VK_RETURN: return KEYSYM ("kp-enter");
|
|
3013 case VK_PRIOR: return KEYSYM ("prior");
|
|
3014 case VK_NEXT: return KEYSYM ("next");
|
|
3015 case VK_END: return KEYSYM ("end");
|
|
3016 case VK_HOME: return KEYSYM ("home");
|
|
3017 case VK_LEFT: return KEYSYM ("left");
|
|
3018 case VK_UP: return KEYSYM ("up");
|
|
3019 case VK_RIGHT: return KEYSYM ("right");
|
|
3020 case VK_DOWN: return KEYSYM ("down");
|
|
3021 case VK_INSERT: return KEYSYM ("insert");
|
|
3022 case VK_DELETE: return QKdelete;
|
|
3023 }
|
|
3024 }
|
|
3025 else
|
|
3026 {
|
|
3027 switch (mswindows_key)
|
|
3028 {
|
|
3029 case VK_BACK: return QKbackspace;
|
|
3030 case VK_TAB: return QKtab;
|
|
3031 case '\n': return QKlinefeed;
|
|
3032 case VK_CLEAR: return KEYSYM ("clear");
|
|
3033 case VK_RETURN: return QKreturn;
|
|
3034 case VK_ESCAPE: return QKescape;
|
|
3035 case VK_SPACE: return QKspace;
|
|
3036 case VK_PRIOR: return KEYSYM ("kp-prior");
|
|
3037 case VK_NEXT: return KEYSYM ("kp-next");
|
|
3038 case VK_END: return KEYSYM ("kp-end");
|
|
3039 case VK_HOME: return KEYSYM ("kp-home");
|
|
3040 case VK_LEFT: return KEYSYM ("kp-left");
|
|
3041 case VK_UP: return KEYSYM ("kp-up");
|
|
3042 case VK_RIGHT: return KEYSYM ("kp-right");
|
|
3043 case VK_DOWN: return KEYSYM ("kp-down");
|
|
3044 case VK_SELECT: return KEYSYM ("select");
|
|
3045 case VK_PRINT: return KEYSYM ("print");
|
|
3046 case VK_EXECUTE: return KEYSYM ("execute");
|
|
3047 case VK_SNAPSHOT: return KEYSYM ("print");
|
|
3048 case VK_INSERT: return KEYSYM ("kp-insert");
|
|
3049 case VK_DELETE: return KEYSYM ("kp-delete");
|
|
3050 case VK_HELP: return KEYSYM ("help");
|
|
3051 #if 0 /* FSF Emacs allows these to return configurable syms/mods */
|
404
|
3052 case VK_LWIN return KEYSYM ("");
|
|
3053 case VK_RWIN return KEYSYM ("");
|
367
|
3054 #endif
|
398
|
3055 case VK_APPS: return KEYSYM ("menu");
|
|
3056 case VK_NUMPAD0: return KEYSYM ("kp-0");
|
|
3057 case VK_NUMPAD1: return KEYSYM ("kp-1");
|
|
3058 case VK_NUMPAD2: return KEYSYM ("kp-2");
|
|
3059 case VK_NUMPAD3: return KEYSYM ("kp-3");
|
|
3060 case VK_NUMPAD4: return KEYSYM ("kp-4");
|
|
3061 case VK_NUMPAD5: return KEYSYM ("kp-5");
|
|
3062 case VK_NUMPAD6: return KEYSYM ("kp-6");
|
|
3063 case VK_NUMPAD7: return KEYSYM ("kp-7");
|
|
3064 case VK_NUMPAD8: return KEYSYM ("kp-8");
|
|
3065 case VK_NUMPAD9: return KEYSYM ("kp-9");
|
|
3066 case VK_MULTIPLY: return KEYSYM ("kp-multiply");
|
|
3067 case VK_ADD: return KEYSYM ("kp-add");
|
|
3068 case VK_SEPARATOR: return KEYSYM ("kp-separator");
|
|
3069 case VK_SUBTRACT: return KEYSYM ("kp-subtract");
|
|
3070 case VK_DECIMAL: return KEYSYM ("kp-decimal");
|
|
3071 case VK_DIVIDE: return KEYSYM ("kp-divide");
|
|
3072 case VK_F1: return KEYSYM ("f1");
|
|
3073 case VK_F2: return KEYSYM ("f2");
|
|
3074 case VK_F3: return KEYSYM ("f3");
|
|
3075 case VK_F4: return KEYSYM ("f4");
|
|
3076 case VK_F5: return KEYSYM ("f5");
|
|
3077 case VK_F6: return KEYSYM ("f6");
|
|
3078 case VK_F7: return KEYSYM ("f7");
|
|
3079 case VK_F8: return KEYSYM ("f8");
|
|
3080 case VK_F9: return KEYSYM ("f9");
|
|
3081 case VK_F10: return KEYSYM ("f10");
|
|
3082 case VK_F11: return KEYSYM ("f11");
|
|
3083 case VK_F12: return KEYSYM ("f12");
|
|
3084 case VK_F13: return KEYSYM ("f13");
|
|
3085 case VK_F14: return KEYSYM ("f14");
|
|
3086 case VK_F15: return KEYSYM ("f15");
|
|
3087 case VK_F16: return KEYSYM ("f16");
|
|
3088 case VK_F17: return KEYSYM ("f17");
|
|
3089 case VK_F18: return KEYSYM ("f18");
|
|
3090 case VK_F19: return KEYSYM ("f19");
|
|
3091 case VK_F20: return KEYSYM ("f20");
|
|
3092 case VK_F21: return KEYSYM ("f21");
|
|
3093 case VK_F22: return KEYSYM ("f22");
|
|
3094 case VK_F23: return KEYSYM ("f23");
|
|
3095 case VK_F24: return KEYSYM ("f24");
|
|
3096 }
|
|
3097 }
|
249
|
3098 return Qnil;
|
|
3099 }
|
|
3100
|
|
3101 /*
|
|
3102 * Find the console that matches the supplied mswindows window handle
|
|
3103 */
|
|
3104 Lisp_Object
|
|
3105 mswindows_find_console (HWND hwnd)
|
|
3106 {
|
274
|
3107 /* We only support one console */
|
|
3108 return XCAR (Vconsole_list);
|
249
|
3109 }
|
|
3110
|
|
3111 /*
|
|
3112 * Find the frame that matches the supplied mswindows window handle
|
|
3113 */
|
|
3114 static Lisp_Object
|
|
3115 mswindows_find_frame (HWND hwnd)
|
|
3116 {
|
269
|
3117 LONG l = GetWindowLong (hwnd, XWL_FRAMEOBJ);
|
|
3118 Lisp_Object f;
|
|
3119 if (l == 0)
|
|
3120 {
|
|
3121 /* We are in progress of frame creation. Return the frame
|
|
3122 being created, as it still not remembered in the window
|
|
3123 extra storage. */
|
276
|
3124 assert (!NILP (Vmswindows_frame_being_created));
|
|
3125 return Vmswindows_frame_being_created;
|
269
|
3126 }
|
|
3127 VOID_TO_LISP (f, l);
|
|
3128 return f;
|
249
|
3129 }
|
|
3130
|
213
|
3131
|
|
3132 /************************************************************************/
|
|
3133 /* methods */
|
|
3134 /************************************************************************/
|
|
3135
|
|
3136 static int
|
|
3137 emacs_mswindows_add_timeout (EMACS_TIME thyme)
|
|
3138 {
|
223
|
3139 int milliseconds;
|
213
|
3140 EMACS_TIME current_time;
|
|
3141 EMACS_GET_TIME (current_time);
|
|
3142 EMACS_SUB_TIME (thyme, thyme, current_time);
|
223
|
3143 milliseconds = EMACS_SECS (thyme) * 1000 +
|
|
3144 (EMACS_USECS (thyme) + 500) / 1000;
|
213
|
3145 if (milliseconds < 1)
|
|
3146 milliseconds = 1;
|
227
|
3147 ++mswindows_pending_timers_count;
|
249
|
3148 return SetTimer (NULL, 0, milliseconds,
|
|
3149 (TIMERPROC) mswindows_wm_timer_callback);
|
213
|
3150 }
|
|
3151
|
|
3152 static void
|
|
3153 emacs_mswindows_remove_timeout (int id)
|
|
3154 {
|
398
|
3155 Lisp_Event match_against;
|
223
|
3156 Lisp_Object emacs_event;
|
|
3157
|
233
|
3158 if (KillTimer (NULL, id))
|
|
3159 --mswindows_pending_timers_count;
|
223
|
3160
|
|
3161 /* If there is a dispatch event generated by this
|
|
3162 timeout in the queue, we have to remove it too. */
|
|
3163 match_against.event_type = timeout_event;
|
|
3164 match_against.event.timeout.interval_id = id;
|
|
3165 emacs_event = mswindows_cancel_dispatch_event (&match_against);
|
|
3166 if (!NILP (emacs_event))
|
|
3167 Fdeallocate_event(emacs_event);
|
213
|
3168 }
|
|
3169
|
219
|
3170 /* If `user_p' is false, then return whether there are any win32, timeout,
|
|
3171 * or subprocess events pending (that is, whether
|
|
3172 * emacs_mswindows_next_event() would return immediately without blocking).
|
|
3173 *
|
|
3174 * if `user_p' is true, then return whether there are any *user generated*
|
|
3175 * events available (that is, whether there are keyboard or mouse-click
|
|
3176 * events ready to be read). This also implies that
|
|
3177 * emacs_mswindows_next_event() would not block.
|
|
3178 */
|
213
|
3179 static int
|
|
3180 emacs_mswindows_event_pending_p (int user_p)
|
|
3181 {
|
274
|
3182 mswindows_need_event (0);
|
223
|
3183 return (!NILP (mswindows_u_dispatch_event_queue)
|
|
3184 || (!user_p && !NILP (mswindows_s_dispatch_event_queue)));
|
213
|
3185 }
|
|
3186
|
|
3187 /*
|
|
3188 * Return the next event
|
|
3189 */
|
|
3190 static void
|
398
|
3191 emacs_mswindows_next_event (Lisp_Event *emacs_event)
|
213
|
3192 {
|
223
|
3193 Lisp_Object event, event2;
|
|
3194
|
274
|
3195 mswindows_need_event (1);
|
213
|
3196
|
398
|
3197 event = mswindows_dequeue_dispatch_event ();
|
223
|
3198 XSETEVENT (event2, emacs_event);
|
|
3199 Fcopy_event (event, event2);
|
|
3200 Fdeallocate_event (event);
|
213
|
3201 }
|
|
3202
|
|
3203 /*
|
|
3204 * Handle a magic event off the dispatch queue.
|
|
3205 */
|
|
3206 static void
|
398
|
3207 emacs_mswindows_handle_magic_event (Lisp_Event *emacs_event)
|
213
|
3208 {
|
|
3209 switch (EVENT_MSWINDOWS_MAGIC_TYPE(emacs_event))
|
|
3210 {
|
288
|
3211 case XM_BUMPQUEUE:
|
|
3212 break;
|
398
|
3213
|
|
3214 case WM_PAINT:
|
404
|
3215 {
|
|
3216 struct frame *f = XFRAME (EVENT_CHANNEL (emacs_event));
|
|
3217 mswindows_handle_paint (f);
|
|
3218 (FRAME_MSWINDOWS_DATA (f))->paint_pending = 0;
|
|
3219 }
|
398
|
3220 break;
|
|
3221
|
288
|
3222 case WM_SETFOCUS:
|
|
3223 case WM_KILLFOCUS:
|
|
3224 {
|
|
3225 Lisp_Object frame = EVENT_CHANNEL (emacs_event);
|
|
3226 struct frame *f = XFRAME (frame);
|
|
3227 int in_p = (EVENT_MSWINDOWS_MAGIC_TYPE(emacs_event) == WM_SETFOCUS);
|
|
3228 Lisp_Object conser;
|
408
|
3229 struct gcpro gcpro1;
|
|
3230
|
|
3231 /* On focus change, clear all memory of sticky modifiers
|
|
3232 to avoid non-intuitive behavior. */
|
|
3233 clear_sticky_modifiers ();
|
213
|
3234
|
288
|
3235 conser = Fcons (frame, Fcons (FRAME_DEVICE (f), in_p ? Qt : Qnil));
|
408
|
3236 GCPRO1 (conser);
|
288
|
3237 emacs_handle_focus_change_preliminary (conser);
|
|
3238 /* Under X the stuff up to here is done in the X event handler.
|
|
3239 I Don't know why */
|
|
3240 emacs_handle_focus_change_final (conser);
|
408
|
3241 UNGCPRO;
|
223
|
3242
|
288
|
3243 }
|
|
3244 break;
|
213
|
3245
|
288
|
3246 case XM_MAPFRAME:
|
|
3247 case XM_UNMAPFRAME:
|
|
3248 {
|
|
3249 Lisp_Object frame = EVENT_CHANNEL (emacs_event);
|
398
|
3250 va_run_hook_with_args (EVENT_MSWINDOWS_MAGIC_TYPE(emacs_event)
|
288
|
3251 == XM_MAPFRAME ?
|
398
|
3252 Qmap_frame_hook : Qunmap_frame_hook,
|
288
|
3253 1, frame);
|
|
3254 }
|
|
3255 break;
|
398
|
3256
|
249
|
3257 /* #### What about Enter & Leave */
|
213
|
3258 #if 0
|
|
3259 va_run_hook_with_args (in_p ? Qmouse_enter_frame_hook :
|
|
3260 Qmouse_leave_frame_hook, 1, frame);
|
|
3261 #endif
|
|
3262
|
288
|
3263 default:
|
|
3264 assert(0);
|
|
3265 }
|
213
|
3266 }
|
|
3267
|
384
|
3268 #ifndef HAVE_MSG_SELECT
|
274
|
3269 static HANDLE
|
398
|
3270 get_process_input_waitable (Lisp_Process *process)
|
274
|
3271 {
|
282
|
3272 Lisp_Object instr, outstr, p;
|
|
3273 XSETPROCESS (p, process);
|
274
|
3274 get_process_streams (process, &instr, &outstr);
|
|
3275 assert (!NILP (instr));
|
282
|
3276 #if defined (HAVE_SOCKETS) && !defined(HAVE_MSG_SELECT)
|
|
3277 return (network_connection_p (p)
|
|
3278 ? get_winsock_stream_waitable (XLSTREAM (instr))
|
|
3279 : get_ntpipe_input_stream_waitable (XLSTREAM (instr)));
|
|
3280 #else
|
404
|
3281 return get_ntpipe_input_stream_waitable (XLSTREAM (instr));
|
282
|
3282 #endif
|
274
|
3283 }
|
|
3284
|
213
|
3285 static void
|
398
|
3286 emacs_mswindows_select_process (Lisp_Process *process)
|
213
|
3287 {
|
274
|
3288 HANDLE hev = get_process_input_waitable (process);
|
|
3289
|
|
3290 if (!add_waitable_handle (hev))
|
|
3291 error ("Too many active processes");
|
|
3292
|
276
|
3293 #ifdef HAVE_WIN32_PROCESSES
|
|
3294 {
|
282
|
3295 Lisp_Object p;
|
|
3296 XSETPROCESS (p, process);
|
|
3297 if (!network_connection_p (p))
|
276
|
3298 {
|
282
|
3299 HANDLE hprocess = get_nt_process_handle (process);
|
|
3300 if (!add_waitable_handle (hprocess))
|
|
3301 {
|
|
3302 remove_waitable_handle (hev);
|
|
3303 error ("Too many active processes");
|
|
3304 }
|
276
|
3305 }
|
|
3306 }
|
|
3307 #endif
|
213
|
3308 }
|
|
3309
|
|
3310 static void
|
398
|
3311 emacs_mswindows_unselect_process (Lisp_Process *process)
|
213
|
3312 {
|
274
|
3313 /* Process handle is removed in the event loop as soon
|
|
3314 as it is signaled, so don't bother here about it */
|
|
3315 HANDLE hev = get_process_input_waitable (process);
|
|
3316 remove_waitable_handle (hev);
|
213
|
3317 }
|
384
|
3318 #endif /* HAVE_MSG_SELECT */
|
213
|
3319
|
|
3320 static void
|
|
3321 emacs_mswindows_select_console (struct console *con)
|
|
3322 {
|
392
|
3323 #ifdef HAVE_MSG_SELECT
|
|
3324 if (CONSOLE_MSWINDOWS_P (con))
|
|
3325 return; /* mswindows consoles are automatically selected */
|
|
3326
|
|
3327 event_stream_unixoid_select_console (con);
|
|
3328 #endif
|
213
|
3329 }
|
|
3330
|
|
3331 static void
|
|
3332 emacs_mswindows_unselect_console (struct console *con)
|
|
3333 {
|
392
|
3334 #ifdef HAVE_MSG_SELECT
|
|
3335 if (CONSOLE_MSWINDOWS_P (con))
|
|
3336 return; /* mswindows consoles are automatically selected */
|
|
3337
|
|
3338 event_stream_unixoid_unselect_console (con);
|
|
3339 #endif
|
213
|
3340 }
|
|
3341
|
|
3342 static void
|
|
3343 emacs_mswindows_quit_p (void)
|
|
3344 {
|
276
|
3345 /* Quit cannot happen in modal loop: all program
|
|
3346 input is dedicated to Windows. */
|
|
3347 if (mswindows_in_modal_loop)
|
|
3348 return;
|
|
3349
|
398
|
3350 /* Drain windows queue. This sets up number of quit characters in
|
|
3351 the queue */
|
|
3352 mswindows_drain_windows_queue ();
|
223
|
3353
|
|
3354 if (mswindows_quit_chars_count > 0)
|
|
3355 {
|
|
3356 /* Yes there's a hidden one... Throw it away */
|
398
|
3357 Lisp_Event match_against;
|
223
|
3358 Lisp_Object emacs_event;
|
398
|
3359 int critical_p = 0;
|
223
|
3360
|
|
3361 match_against.event_type = key_press_event;
|
|
3362 match_against.event.key.modifiers = FAKE_MOD_QUIT;
|
|
3363
|
398
|
3364 while (mswindows_quit_chars_count-- > 0)
|
|
3365 {
|
|
3366 emacs_event = mswindows_cancel_dispatch_event (&match_against);
|
|
3367 assert (!NILP (emacs_event));
|
|
3368
|
404
|
3369 if (XEVENT(emacs_event)->event.key.modifiers & XEMACS_MOD_SHIFT)
|
398
|
3370 critical_p = 1;
|
|
3371
|
|
3372 Fdeallocate_event(emacs_event);
|
|
3373 }
|
|
3374
|
|
3375 Vquit_flag = critical_p ? Qcritical : Qt;
|
223
|
3376 }
|
213
|
3377 }
|
|
3378
|
274
|
3379 USID
|
|
3380 emacs_mswindows_create_stream_pair (void* inhandle, void* outhandle,
|
|
3381 Lisp_Object* instream,
|
|
3382 Lisp_Object* outstream,
|
|
3383 int flags)
|
|
3384 {
|
|
3385 /* Handles for streams */
|
|
3386 HANDLE hin, hout;
|
|
3387 /* fds. These just stored along with the streams, and are closed in
|
|
3388 delete stream pair method, because we need to handle fake unices
|
|
3389 here. */
|
|
3390 int fdi, fdo;
|
|
3391
|
|
3392 /* Decode inhandle and outhandle. Their meaning depends on
|
|
3393 the process implementation being used. */
|
|
3394 #if defined (HAVE_WIN32_PROCESSES)
|
|
3395 /* We're passed in Windows handles. That's what we like most... */
|
|
3396 hin = (HANDLE) inhandle;
|
|
3397 hout = (HANDLE) outhandle;
|
|
3398 fdi = fdo = -1;
|
|
3399 #elif defined (HAVE_UNIX_PROCESSES)
|
|
3400 /* We are passed UNIX fds. This must be Cygwin.
|
|
3401 Fetch os handles */
|
276
|
3402 hin = inhandle >= 0 ? (HANDLE)get_osfhandle ((int)inhandle) : INVALID_HANDLE_VALUE;
|
|
3403 hout = outhandle >= 0 ? (HANDLE)get_osfhandle ((int)outhandle) : INVALID_HANDLE_VALUE;
|
|
3404 fdi=(int)inhandle;
|
|
3405 fdo=(int)outhandle;
|
274
|
3406 #else
|
|
3407 #error "So, WHICH kind of processes do you want?"
|
|
3408 #endif
|
|
3409
|
282
|
3410 *instream = (hin == INVALID_HANDLE_VALUE
|
|
3411 ? Qnil
|
|
3412 #if defined (HAVE_SOCKETS) && !defined (HAVE_MSG_SELECT)
|
|
3413 : flags & STREAM_NETWORK_CONNECTION
|
|
3414 ? make_winsock_input_stream ((SOCKET)hin, fdi)
|
|
3415 #endif
|
|
3416 : make_ntpipe_input_stream (hin, fdi));
|
274
|
3417
|
276
|
3418 #ifdef HAVE_WIN32_PROCESSES
|
282
|
3419 *outstream = (hout == INVALID_HANDLE_VALUE
|
|
3420 ? Qnil
|
|
3421 #if defined (HAVE_SOCKETS) && !defined (HAVE_MSG_SELECT)
|
|
3422 : flags & STREAM_NETWORK_CONNECTION
|
|
3423 ? make_winsock_output_stream ((SOCKET)hout, fdo)
|
|
3424 #endif
|
|
3425 : make_ntpipe_output_stream (hout, fdo));
|
276
|
3426 #elif defined (HAVE_UNIX_PROCESSES)
|
|
3427 *outstream = (fdo >= 0
|
|
3428 ? make_filedesc_output_stream (fdo, 0, -1, LSTR_BLOCKED_OK)
|
|
3429 : Qnil);
|
|
3430
|
|
3431 #if defined(HAVE_UNIX_PROCESSES) && defined(HAVE_PTYS)
|
|
3432 /* FLAGS is process->pty_flag for UNIX_PROCESSES */
|
282
|
3433 if ((flags & STREAM_PTY_FLUSHING) && fdo >= 0)
|
276
|
3434 {
|
|
3435 Bufbyte eof_char = get_eof_char (fdo);
|
|
3436 int pty_max_bytes = get_pty_max_bytes (fdo);
|
|
3437 filedesc_stream_set_pty_flushing (XLSTREAM(*outstream), pty_max_bytes, eof_char);
|
|
3438 }
|
|
3439 #endif
|
|
3440 #endif
|
274
|
3441
|
282
|
3442 return (NILP (*instream)
|
|
3443 ? USID_ERROR
|
|
3444 #if defined(HAVE_SOCKETS) && !defined(HAVE_MSG_SELECT)
|
|
3445 : flags & STREAM_NETWORK_CONNECTION
|
|
3446 ? HANDLE_TO_USID (get_winsock_stream_waitable (XLSTREAM (*instream)))
|
|
3447 #endif
|
274
|
3448 : HANDLE_TO_USID (get_ntpipe_input_stream_waitable (XLSTREAM (*instream))));
|
|
3449 }
|
|
3450
|
|
3451 USID
|
|
3452 emacs_mswindows_delete_stream_pair (Lisp_Object instream,
|
404
|
3453 Lisp_Object outstream)
|
274
|
3454 {
|
|
3455 /* Oh nothing special here for Win32 at all */
|
|
3456 #if defined (HAVE_UNIX_PROCESSES)
|
282
|
3457 int in = (NILP(instream)
|
|
3458 ? -1
|
|
3459 #if defined(HAVE_SOCKETS) && !defined(HAVE_MSG_SELECT)
|
|
3460 : LSTREAM_TYPE_P (XLSTREAM (instream), winsock)
|
|
3461 ? get_winsock_stream_param (XLSTREAM (instream))
|
|
3462 #endif
|
274
|
3463 : get_ntpipe_input_stream_param (XLSTREAM (instream)));
|
|
3464 int out = (NILP(outstream) ? -1
|
276
|
3465 : filedesc_stream_fd (XLSTREAM (outstream)));
|
274
|
3466
|
|
3467 if (in >= 0)
|
|
3468 close (in);
|
|
3469 if (out != in && out >= 0)
|
|
3470 close (out);
|
|
3471 #endif
|
|
3472
|
282
|
3473 return (NILP (instream)
|
|
3474 ? USID_DONTHASH
|
|
3475 #if defined(HAVE_SOCKETS) && !defined(HAVE_MSG_SELECT)
|
|
3476 : LSTREAM_TYPE_P (XLSTREAM (instream), winsock)
|
|
3477 ? HANDLE_TO_USID (get_winsock_stream_waitable (XLSTREAM (instream)))
|
|
3478 #endif
|
274
|
3479 : HANDLE_TO_USID (get_ntpipe_input_stream_waitable (XLSTREAM (instream))));
|
|
3480 }
|
|
3481
|
263
|
3482 #ifndef HAVE_X_WINDOWS
|
213
|
3483 /* This is called from GC when a process object is about to be freed.
|
|
3484 If we've still got pointers to it in this file, we're gonna lose hard.
|
|
3485 */
|
|
3486 void
|
398
|
3487 debug_process_finalization (Lisp_Process *p)
|
213
|
3488 {
|
|
3489 #if 0 /* #### */
|
263
|
3490 Lisp_Object instr, outstr;
|
|
3491
|
|
3492 get_process_streams (p, &instr, &outstr);
|
213
|
3493 /* if it still has fds, then it hasn't been killed yet. */
|
263
|
3494 assert (NILP(instr));
|
|
3495 assert (NILP(outstr));
|
|
3496
|
|
3497 /* #### More checks here */
|
213
|
3498 #endif
|
|
3499 }
|
263
|
3500 #endif
|
213
|
3501
|
|
3502 /************************************************************************/
|
|
3503 /* initialization */
|
|
3504 /************************************************************************/
|
398
|
3505
|
213
|
3506 void
|
398
|
3507 reinit_vars_of_event_mswindows (void)
|
213
|
3508 {
|
231
|
3509 mswindows_in_modal_loop = 0;
|
227
|
3510 mswindows_pending_timers_count = 0;
|
|
3511
|
213
|
3512 mswindows_event_stream = xnew (struct event_stream);
|
|
3513
|
|
3514 mswindows_event_stream->event_pending_p = emacs_mswindows_event_pending_p;
|
404
|
3515 mswindows_event_stream->force_event_pending = 0;
|
223
|
3516 mswindows_event_stream->next_event_cb = emacs_mswindows_next_event;
|
213
|
3517 mswindows_event_stream->handle_magic_event_cb = emacs_mswindows_handle_magic_event;
|
|
3518 mswindows_event_stream->add_timeout_cb = emacs_mswindows_add_timeout;
|
|
3519 mswindows_event_stream->remove_timeout_cb = emacs_mswindows_remove_timeout;
|
278
|
3520 mswindows_event_stream->quit_p_cb = emacs_mswindows_quit_p;
|
213
|
3521 mswindows_event_stream->select_console_cb = emacs_mswindows_select_console;
|
223
|
3522 mswindows_event_stream->unselect_console_cb = emacs_mswindows_unselect_console;
|
278
|
3523 #ifdef HAVE_MSG_SELECT
|
398
|
3524 mswindows_event_stream->select_process_cb =
|
|
3525 (void (*)(Lisp_Process*))event_stream_unixoid_select_process;
|
|
3526 mswindows_event_stream->unselect_process_cb =
|
|
3527 (void (*)(Lisp_Process*))event_stream_unixoid_unselect_process;
|
278
|
3528 mswindows_event_stream->create_stream_pair_cb = event_stream_unixoid_create_stream_pair;
|
|
3529 mswindows_event_stream->delete_stream_pair_cb = event_stream_unixoid_delete_stream_pair;
|
|
3530 #else
|
213
|
3531 mswindows_event_stream->select_process_cb = emacs_mswindows_select_process;
|
223
|
3532 mswindows_event_stream->unselect_process_cb = emacs_mswindows_unselect_process;
|
274
|
3533 mswindows_event_stream->create_stream_pair_cb = emacs_mswindows_create_stream_pair;
|
|
3534 mswindows_event_stream->delete_stream_pair_cb = emacs_mswindows_delete_stream_pair;
|
278
|
3535 #endif
|
398
|
3536 }
|
|
3537
|
|
3538 void
|
|
3539 vars_of_event_mswindows (void)
|
|
3540 {
|
|
3541 reinit_vars_of_event_mswindows ();
|
|
3542
|
|
3543 mswindows_u_dispatch_event_queue = Qnil;
|
|
3544 staticpro (&mswindows_u_dispatch_event_queue);
|
|
3545 mswindows_u_dispatch_event_queue_tail = Qnil;
|
|
3546 pdump_wire (&mswindows_u_dispatch_event_queue_tail);
|
|
3547
|
|
3548 mswindows_s_dispatch_event_queue = Qnil;
|
|
3549 staticpro (&mswindows_s_dispatch_event_queue);
|
|
3550 mswindows_s_dispatch_event_queue_tail = Qnil;
|
|
3551 pdump_wire (&mswindows_s_dispatch_event_queue_tail);
|
|
3552
|
|
3553 mswindows_error_caught_in_modal_loop = Qnil;
|
|
3554 staticpro (&mswindows_error_caught_in_modal_loop);
|
|
3555
|
408
|
3556
|
|
3557 #ifdef DEBUG_XEMACS
|
|
3558 DEFVAR_INT ("mswindows-debug-events", &mswindows_debug_events /*
|
|
3559 If non-zero, display debug information about Windows events that XEmacs sees.
|
|
3560 Information is displayed in a console window. Currently defined values are:
|
|
3561
|
|
3562 1 == non-verbose output
|
|
3563 2 == verbose output
|
|
3564
|
|
3565 #### Unfortunately, not yet implemented.
|
|
3566 */ );
|
|
3567 mswindows_debug_events = 0;
|
|
3568 #endif
|
|
3569
|
404
|
3570 DEFVAR_BOOL ("mswindows-alt-by-itself-activates-menu",
|
|
3571 &mswindows_alt_by_itself_activates_menu /*
|
|
3572 *Controls whether pressing and releasing the Alt key activates the menubar.
|
|
3573 This applies only if no intervening key was pressed. See also
|
|
3574 `menu-accelerator-enabled', which is probably the behavior you actually want.
|
398
|
3575 Default is t.
|
|
3576 */ );
|
223
|
3577
|
404
|
3578 DEFVAR_BOOL ("mswindows-dynamic-frame-resize",
|
|
3579 &mswindows_dynamic_frame_resize /*
|
223
|
3580 *Controls redrawing frame contents during mouse-drag or keyboard resize
|
|
3581 operation. When non-nil, the frame is redrawn while being resized. When
|
|
3582 nil, frame is not redrawn, and exposed areas are filled with default
|
|
3583 MDI application background color. Note that this option only has effect
|
|
3584 if "Show window contents while dragging" is on in system Display/Plus!
|
|
3585 settings.
|
|
3586 Default is t on fast machines, nil on slow.
|
|
3587 */ );
|
|
3588
|
404
|
3589 DEFVAR_INT ("mswindows-mouse-button-tolerance",
|
|
3590 &mswindows_mouse_button_tolerance /*
|
223
|
3591 *Analogue of double click interval for faking middle mouse events.
|
|
3592 The value is the minimum time in milliseconds that must elapse between
|
|
3593 left/right button down events before they are considered distinct events.
|
|
3594 If both mouse buttons are depressed within this interval, a middle mouse
|
|
3595 button down event is generated instead.
|
|
3596 If negative or zero, currently set system default is used instead.
|
|
3597 */ );
|
|
3598
|
225
|
3599 DEFVAR_INT ("mswindows-num-mouse-buttons", &mswindows_num_mouse_buttons /*
|
223
|
3600 Number of physical mouse buttons.
|
|
3601 */ );
|
|
3602
|
404
|
3603 DEFVAR_INT ("mswindows-mouse-button-max-skew-x",
|
|
3604 &mswindows_mouse_button_max_skew_x /*
|
223
|
3605 *Maximum horizontal distance in pixels between points in which left and
|
380
|
3606 right button clicks occurred for them to be translated into single
|
223
|
3607 middle button event. Clicks must occur in time not longer than defined
|
272
|
3608 by the variable `mswindows-mouse-button-tolerance'.
|
223
|
3609 If negative or zero, currently set system default is used instead.
|
|
3610 */ );
|
|
3611
|
404
|
3612 DEFVAR_INT ("mswindows-mouse-button-max-skew-y",
|
|
3613 &mswindows_mouse_button_max_skew_y /*
|
223
|
3614 *Maximum vertical distance in pixels between points in which left and
|
380
|
3615 right button clicks occurred for them to be translated into single
|
223
|
3616 middle button event. Clicks must occur in time not longer than defined
|
272
|
3617 by the variable `mswindows-mouse-button-tolerance'.
|
223
|
3618 If negative or zero, currently set system default is used instead.
|
|
3619 */ );
|
|
3620
|
272
|
3621 mswindows_mouse_button_max_skew_x = 0;
|
|
3622 mswindows_mouse_button_max_skew_y = 0;
|
|
3623 mswindows_mouse_button_tolerance = 0;
|
404
|
3624 mswindows_alt_by_itself_activates_menu = 1;
|
213
|
3625 }
|
|
3626
|
|
3627 void
|
|
3628 syms_of_event_mswindows (void)
|
|
3629 {
|
|
3630 }
|
|
3631
|
|
3632 void
|
274
|
3633 lstream_type_create_mswindows_selectable (void)
|
|
3634 {
|
|
3635 init_slurp_stream ();
|
|
3636 init_shove_stream ();
|
282
|
3637 #if defined (HAVE_SOCKETS) && !defined(HAVE_MSG_SELECT)
|
|
3638 init_winsock_stream ();
|
|
3639 #endif
|
274
|
3640 }
|
|
3641
|
|
3642 void
|
213
|
3643 init_event_mswindows_late (void)
|
|
3644 {
|
278
|
3645 #ifdef HAVE_MSG_SELECT
|
|
3646 windows_fd = open("/dev/windows", O_RDONLY | O_NONBLOCK, 0);
|
|
3647 assert (windows_fd>=0);
|
|
3648 FD_SET (windows_fd, &input_wait_mask);
|
373
|
3649 FD_ZERO(&zero_mask);
|
278
|
3650 #endif
|
|
3651
|
213
|
3652 event_stream = mswindows_event_stream;
|
223
|
3653
|
|
3654 mswindows_dynamic_frame_resize = !GetSystemMetrics (SM_SLOWMACHINE);
|
|
3655 mswindows_num_mouse_buttons = GetSystemMetrics (SM_CMOUSEBUTTONS);
|
213
|
3656 }
|