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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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272
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30 Rewritten for mswindows by Jonathan Harris, November 1997 for 21.0.
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384
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31 Subprocess and modal loop support by Kirill M. Katsnelson.
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213
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32 */
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33
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34 #include <config.h>
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35 #include "lisp.h"
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36
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249
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37 #include "console-msw.h"
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38
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39 #ifdef HAVE_SCROLLBARS
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40 # include "scrollbar-msw.h"
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41 #endif
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42
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43 #ifdef HAVE_MENUBARS
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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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284
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72 #elif defined(__CYGWIN32__)
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73 typedef unsigned int SOCKET;
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278
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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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404
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78 #if !(defined(__CYGWIN32__) || defined(__MINGW32__))
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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 */
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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
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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
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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. */
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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. */
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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;
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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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404
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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
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274
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247 static DWORD WINAPI
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248 slurp_thread (LPVOID vparam)
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249 {
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276
|
250 struct ntpipe_slurp_stream_shared_data *s =
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251 (struct ntpipe_slurp_stream_shared_data*)vparam;
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274
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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
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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
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398
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277 buffer to accumulate little bit more data.
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274
|
278 Reader function pulses this event before waiting for
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276
|
279 a character, to avoid pipe delay, and to get the byte
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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
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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
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380
|
292 /* Block until the client finishes with retrieving the rest of
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274
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293 pipe data */
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294 WaitForSingleObject (s->hev_thread, INFINITE);
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295 }
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296
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276
|
297 slurper_free_shared_data_maybe (s);
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298
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274
|
299 return 0;
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300 }
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301
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302 static Lisp_Object
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303 make_ntpipe_input_stream (HANDLE hpipe, LPARAM param)
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|
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304 {
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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;
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276
|
309 HANDLE hthread;
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274
|
310
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|
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311 /* We deal only with pipes, for we're using PeekNamedPipe api */
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|
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312 assert (GetFileType (hpipe) == FILE_TYPE_PIPE);
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313
|
|
276
|
314 s->thread_data = slurper_allocate_shared_data();
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274
|
315
|
|
276
|
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 {
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|
|
322 Lstream_delete (lstr);
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|
276
|
323 s->thread_data->inuse_p=0;
|
|
274
|
324 return Qnil;
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|
|
325 }
|
|
|
326
|
|
276
|
327 /* Shared data are initially owned by both main and slurper
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328 threads. */
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|
|
329 s->thread_data->lock_count = 2;
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|
330 s->thread_data->die_p = 0;
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|
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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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|
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335
|
|
274
|
336 /* hev_thread is a manual-reset event, initially signaled */
|
|
276
|
337 s->thread_data->hev_thread = CreateEvent (NULL, TRUE, TRUE, NULL);
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|
274
|
338 /* hev_caller is a manual-reset event, initially nonsignaled */
|
|
276
|
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);
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|
|
345 CloseHandle (hthread);
|
|
274
|
346
|
|
|
347 lstr->flags |= LSTREAM_FL_CLOSE_AT_DISKSAVE;
|
|
|
348 XSETLSTREAM (obj, lstr);
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|
|
349 return obj;
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|
|
350 }
|
|
|
351
|
|
|
352 static LPARAM
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|
|
353 get_ntpipe_input_stream_param (Lstream *stream)
|
|
|
354 {
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|
|
355 struct ntpipe_slurp_stream* s = NTPIPE_SLURP_STREAM_DATA(stream);
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|
|
356 return s->user_data;
|
|
|
357 }
|
|
|
358
|
|
|
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
|
|
371
|
474 #define MAX_SHOVE_BUFFER_SIZE 128
|
|
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
|
|
371
|
508 if (s->die_p)
|
|
|
509 break;
|
|
|
510
|
|
|
511 /* Write passed buffer */
|
|
|
512 if (!WriteFile (s->hpipe, s->buffer, s->size, &bytes_written, NULL)
|
|
|
513 || bytes_written != s->size)
|
|
274
|
514 {
|
|
371
|
515 s->error_p = TRUE;
|
|
|
516 InterlockedIncrement (&s->die_p);
|
|
274
|
517 }
|
|
|
518
|
|
|
519 if (s->die_p)
|
|
|
520 break;
|
|
|
521 }
|
|
|
522
|
|
|
523 return 0;
|
|
|
524 }
|
|
|
525
|
|
|
526 static Lisp_Object
|
|
|
527 make_ntpipe_output_stream (HANDLE hpipe, LPARAM param)
|
|
|
528 {
|
|
|
529 Lisp_Object obj;
|
|
|
530 Lstream *lstr = Lstream_new (lstream_ntpipe_shove, "w");
|
|
|
531 struct ntpipe_shove_stream* s = NTPIPE_SHOVE_STREAM_DATA (lstr);
|
|
|
532 DWORD thread_id_unused;
|
|
|
533
|
|
|
534 s->die_p = 0;
|
|
|
535 s->error_p = FALSE;
|
|
|
536 s->hpipe = hpipe;
|
|
|
537 s->user_data = param;
|
|
|
538
|
|
398
|
539 /* Create reader thread. This could fail, so do not
|
|
274
|
540 create the event until thread is created */
|
|
|
541 s->hthread = CreateThread (NULL, 0, shove_thread, (LPVOID)s,
|
|
|
542 CREATE_SUSPENDED, &thread_id_unused);
|
|
|
543 if (s->hthread == NULL)
|
|
|
544 {
|
|
|
545 Lstream_delete (lstr);
|
|
|
546 return Qnil;
|
|
|
547 }
|
|
|
548
|
|
|
549 /* hev_thread is an auto-reset event, initially nonsignaled */
|
|
|
550 s->hev_thread = CreateEvent (NULL, FALSE, FALSE, NULL);
|
|
|
551
|
|
|
552 /* Now let it go */
|
|
|
553 ResumeThread (s->hthread);
|
|
|
554
|
|
|
555 lstr->flags |= LSTREAM_FL_CLOSE_AT_DISKSAVE;
|
|
|
556 XSETLSTREAM (obj, lstr);
|
|
|
557 return obj;
|
|
|
558 }
|
|
|
559
|
|
|
560 static LPARAM
|
|
|
561 get_ntpipe_output_stream_param (Lstream *stream)
|
|
|
562 {
|
|
|
563 struct ntpipe_shove_stream* s = NTPIPE_SHOVE_STREAM_DATA(stream);
|
|
|
564 return s->user_data;
|
|
|
565 }
|
|
384
|
566 #endif
|
|
274
|
567
|
|
398
|
568 static ssize_t
|
|
274
|
569 ntpipe_shove_writer (Lstream *stream, const unsigned char *data, size_t size)
|
|
|
570 {
|
|
|
571 struct ntpipe_shove_stream* s = NTPIPE_SHOVE_STREAM_DATA(stream);
|
|
|
572
|
|
|
573 if (s->error_p)
|
|
|
574 return -1;
|
|
|
575
|
|
|
576 s->blocking_p = !s->idle_p;
|
|
|
577 if (s->blocking_p)
|
|
|
578 return 0;
|
|
|
579
|
|
276
|
580 if (size>MAX_SHOVE_BUFFER_SIZE)
|
|
|
581 return 0;
|
|
|
582
|
|
274
|
583 memcpy (s->buffer, data, size);
|
|
|
584 s->size = size;
|
|
|
585
|
|
|
586 /* Start output */
|
|
|
587 InterlockedDecrement (&s->idle_p);
|
|
|
588 SetEvent (s->hev_thread);
|
|
|
589 return size;
|
|
|
590 }
|
|
|
591
|
|
|
592 static int
|
|
|
593 ntpipe_shove_was_blocked_p (Lstream *stream)
|
|
|
594 {
|
|
|
595 struct ntpipe_shove_stream* s = NTPIPE_SHOVE_STREAM_DATA(stream);
|
|
|
596 return s->blocking_p;
|
|
|
597 }
|
|
|
598
|
|
|
599 static int
|
|
|
600 ntpipe_shove_closer (Lstream *stream)
|
|
|
601 {
|
|
|
602 struct ntpipe_shove_stream* s = NTPIPE_SHOVE_STREAM_DATA(stream);
|
|
|
603
|
|
|
604 /* Force thread stop */
|
|
|
605 InterlockedIncrement (&s->die_p);
|
|
|
606
|
|
371
|
607 /* Close pipe handle, possibly breaking it */
|
|
|
608 CloseHandle (s->hpipe);
|
|
|
609
|
|
|
610 /* Thread will end upon unblocking */
|
|
274
|
611 SetEvent (s->hev_thread);
|
|
|
612
|
|
|
613 /* Wait while thread terminates */
|
|
|
614 WaitForSingleObject (s->hthread, INFINITE);
|
|
|
615 CloseHandle (s->hthread);
|
|
|
616
|
|
|
617 /* Destroy the event */
|
|
|
618 CloseHandle (s->hev_thread);
|
|
|
619
|
|
|
620 return 0;
|
|
|
621 }
|
|
|
622
|
|
|
623 static void
|
|
|
624 init_shove_stream (void)
|
|
|
625 {
|
|
|
626 LSTREAM_HAS_METHOD (ntpipe_shove, writer);
|
|
|
627 LSTREAM_HAS_METHOD (ntpipe_shove, was_blocked_p);
|
|
|
628 LSTREAM_HAS_METHOD (ntpipe_shove, closer);
|
|
|
629 }
|
|
|
630
|
|
|
631 /************************************************************************/
|
|
282
|
632 /* Winsock I/O stream */
|
|
|
633 /************************************************************************/
|
|
|
634 #if defined (HAVE_SOCKETS) && !defined(HAVE_MSG_SELECT)
|
|
|
635
|
|
|
636 #define WINSOCK_READ_BUFFER_SIZE 1024
|
|
|
637
|
|
|
638 struct winsock_stream
|
|
|
639 {
|
|
|
640 LPARAM user_data; /* Any user data stored in the stream object */
|
|
|
641 SOCKET s; /* Socket handle (which is a Win32 handle) */
|
|
|
642 OVERLAPPED ov; /* Overlapped I/O structure */
|
|
|
643 void* buffer; /* Buffer. Allocated for input stream only */
|
|
400
|
644 unsigned long bufsize; /* Number of bytes last read */
|
|
|
645 unsigned long bufpos; /* Position in buffer for next fetch */
|
|
282
|
646 unsigned int error_p :1; /* I/O Error seen */
|
|
|
647 unsigned int eof_p :1; /* EOF Error seen */
|
|
|
648 unsigned int pending_p :1; /* There is a pending I/O operation */
|
|
|
649 unsigned int blocking_p :1; /* Last write attempt would block */
|
|
|
650 };
|
|
|
651
|
|
|
652 #define WINSOCK_STREAM_DATA(stream) LSTREAM_TYPE_DATA (stream, winsock)
|
|
|
653
|
|
|
654 DEFINE_LSTREAM_IMPLEMENTATION ("winsock", lstream_winsock,
|
|
|
655 sizeof (struct winsock_stream));
|
|
|
656
|
|
|
657 static void
|
|
|
658 winsock_initiate_read (struct winsock_stream *str)
|
|
|
659 {
|
|
|
660 ResetEvent (str->ov.hEvent);
|
|
|
661 str->bufpos = 0;
|
|
|
662
|
|
|
663 if (!ReadFile ((HANDLE)str->s, str->buffer, WINSOCK_READ_BUFFER_SIZE,
|
|
|
664 &str->bufsize, &str->ov))
|
|
|
665 {
|
|
|
666 if (GetLastError () == ERROR_IO_PENDING)
|
|
|
667 str->pending_p = 1;
|
|
|
668 else if (GetLastError () == ERROR_HANDLE_EOF)
|
|
|
669 str->eof_p = 1;
|
|
|
670 else
|
|
|
671 str->error_p = 1;
|
|
|
672 }
|
|
|
673 else if (str->bufsize == 0)
|
|
|
674 str->eof_p = 1;
|
|
|
675 }
|
|
|
676
|
|
398
|
677 static ssize_t
|
|
282
|
678 winsock_reader (Lstream *stream, unsigned char *data, size_t size)
|
|
|
679 {
|
|
|
680 struct winsock_stream *str = WINSOCK_STREAM_DATA (stream);
|
|
|
681
|
|
|
682 /* If the current operation is not yet complete, there's nothing to
|
|
|
683 give back */
|
|
|
684 if (str->pending_p)
|
|
|
685 {
|
|
|
686 if (WaitForSingleObject (str->ov.hEvent, 0) == WAIT_TIMEOUT)
|
|
|
687 {
|
|
|
688 errno = EAGAIN;
|
|
|
689 return -1;
|
|
|
690 }
|
|
|
691 else
|
|
|
692 {
|
|
|
693 if (!GetOverlappedResult ((HANDLE)str->s, &str->ov, &str->bufsize, TRUE))
|
|
|
694 {
|
|
|
695 if (GetLastError() == ERROR_HANDLE_EOF)
|
|
|
696 str->bufsize = 0;
|
|
|
697 else
|
|
|
698 str->error_p = 1;
|
|
|
699 }
|
|
|
700 if (str->bufsize == 0)
|
|
|
701 str->eof_p = 1;
|
|
|
702 str->pending_p = 0;
|
|
|
703 }
|
|
|
704 }
|
|
|
705
|
|
|
706 if (str->eof_p)
|
|
|
707 return 0;
|
|
|
708 if (str->error_p)
|
|
|
709 return -1;
|
|
398
|
710
|
|
282
|
711 /* Return as much of buffer as we have */
|
|
|
712 size = min (size, (size_t) (str->bufsize - str->bufpos));
|
|
|
713 memcpy (data, (void*)((BYTE*)str->buffer + str->bufpos), size);
|
|
|
714 str->bufpos += size;
|
|
|
715
|
|
|
716 /* Read more if buffer is exhausted */
|
|
|
717 if (str->bufsize == str->bufpos)
|
|
|
718 winsock_initiate_read (str);
|
|
|
719
|
|
|
720 return size;
|
|
|
721 }
|
|
|
722
|
|
398
|
723 static ssize_t
|
|
|
724 winsock_writer (Lstream *stream, const unsigned char *data, size_t size)
|
|
282
|
725 {
|
|
|
726 struct winsock_stream *str = WINSOCK_STREAM_DATA (stream);
|
|
|
727
|
|
|
728 if (str->pending_p)
|
|
|
729 {
|
|
|
730 if (WaitForSingleObject (str->ov.hEvent, 0) == WAIT_TIMEOUT)
|
|
|
731 {
|
|
|
732 str->blocking_p = 1;
|
|
|
733 return -1;
|
|
|
734 }
|
|
|
735 else
|
|
|
736 {
|
|
|
737 DWORD dw_unused;
|
|
|
738 if (!GetOverlappedResult ((HANDLE)str->s, &str->ov, &dw_unused, TRUE))
|
|
|
739 str->error_p = 1;
|
|
|
740 str->pending_p = 0;
|
|
|
741 }
|
|
|
742 }
|
|
|
743
|
|
|
744 str->blocking_p = 0;
|
|
|
745
|
|
|
746 if (str->error_p)
|
|
|
747 return -1;
|
|
|
748
|
|
|
749 if (size == 0)
|
|
|
750 return 0;
|
|
398
|
751
|
|
282
|
752 {
|
|
|
753 ResetEvent (str->ov.hEvent);
|
|
373
|
754
|
|
|
755 /* Docs indicate that 4th parameter to WriteFile can be NULL since this is
|
|
|
756 * an overlapped operation. This fails on Win95 with winsock 1.x so we
|
|
|
757 * supply a spare address which is ignored by Win95 anyway. Sheesh. */
|
|
|
758 if (WriteFile ((HANDLE)str->s, data, size, (LPDWORD)&str->buffer, &str->ov)
|
|
282
|
759 || GetLastError() == ERROR_IO_PENDING)
|
|
|
760 str->pending_p = 1;
|
|
|
761 else
|
|
|
762 str->error_p = 1;
|
|
|
763 }
|
|
|
764
|
|
|
765 return str->error_p ? -1 : size;
|
|
|
766 }
|
|
|
767
|
|
|
768 static int
|
|
|
769 winsock_closer (Lstream *lstr)
|
|
|
770 {
|
|
|
771 struct winsock_stream *str = WINSOCK_STREAM_DATA (lstr);
|
|
|
772
|
|
|
773 if (lstr->flags & LSTREAM_FL_READ)
|
|
|
774 shutdown (str->s, 0);
|
|
|
775 else
|
|
|
776 shutdown (str->s, 1);
|
|
|
777
|
|
|
778 CloseHandle ((HANDLE)str->s);
|
|
|
779 if (str->pending_p)
|
|
|
780 WaitForSingleObject (str->ov.hEvent, INFINITE);
|
|
|
781
|
|
|
782 if (lstr->flags & LSTREAM_FL_READ)
|
|
|
783 xfree (str->buffer);
|
|
|
784
|
|
|
785 CloseHandle (str->ov.hEvent);
|
|
|
786 return 0;
|
|
|
787 }
|
|
|
788
|
|
|
789 static int
|
|
|
790 winsock_was_blocked_p (Lstream *stream)
|
|
|
791 {
|
|
|
792 struct winsock_stream *str = WINSOCK_STREAM_DATA (stream);
|
|
|
793 return str->blocking_p;
|
|
|
794 }
|
|
|
795
|
|
|
796 static Lisp_Object
|
|
398
|
797 make_winsock_stream_1 (SOCKET s, LPARAM param, const char *mode)
|
|
282
|
798 {
|
|
|
799 Lisp_Object obj;
|
|
|
800 Lstream *lstr = Lstream_new (lstream_winsock, mode);
|
|
|
801 struct winsock_stream *str = WINSOCK_STREAM_DATA (lstr);
|
|
|
802
|
|
|
803 str->s = s;
|
|
|
804 str->blocking_p = 0;
|
|
|
805 str->error_p = 0;
|
|
|
806 str->eof_p = 0;
|
|
|
807 str->pending_p = 0;
|
|
|
808 str->user_data = param;
|
|
|
809
|
|
|
810 xzero (str->ov);
|
|
|
811 str->ov.hEvent = CreateEvent (NULL, TRUE, FALSE, NULL);
|
|
|
812
|
|
|
813 if (lstr->flags & LSTREAM_FL_READ)
|
|
|
814 {
|
|
|
815 str->buffer = xmalloc (WINSOCK_READ_BUFFER_SIZE);
|
|
|
816 winsock_initiate_read (str);
|
|
|
817 }
|
|
|
818
|
|
|
819 lstr->flags |= LSTREAM_FL_CLOSE_AT_DISKSAVE;
|
|
|
820 XSETLSTREAM (obj, lstr);
|
|
|
821 return obj;
|
|
|
822 }
|
|
|
823
|
|
|
824 static Lisp_Object
|
|
|
825 make_winsock_input_stream (SOCKET s, LPARAM param)
|
|
|
826 {
|
|
|
827 return make_winsock_stream_1 (s, param, "r");
|
|
|
828 }
|
|
|
829
|
|
|
830 static Lisp_Object
|
|
|
831 make_winsock_output_stream (SOCKET s, LPARAM param)
|
|
|
832 {
|
|
|
833 return make_winsock_stream_1 (s, param, "w");
|
|
|
834 }
|
|
|
835
|
|
|
836 static HANDLE
|
|
|
837 get_winsock_stream_waitable (Lstream *lstr)
|
|
|
838 {
|
|
|
839 struct winsock_stream *str = WINSOCK_STREAM_DATA (lstr);
|
|
|
840 return str->ov.hEvent;
|
|
|
841 }
|
|
|
842
|
|
|
843 static LPARAM
|
|
|
844 get_winsock_stream_param (Lstream *lstr)
|
|
|
845 {
|
|
|
846 struct winsock_stream *str = WINSOCK_STREAM_DATA (lstr);
|
|
|
847 return str->user_data;
|
|
|
848 }
|
|
|
849
|
|
|
850 static void
|
|
|
851 init_winsock_stream (void)
|
|
|
852 {
|
|
|
853 LSTREAM_HAS_METHOD (winsock, reader);
|
|
|
854 LSTREAM_HAS_METHOD (winsock, writer);
|
|
|
855 LSTREAM_HAS_METHOD (winsock, closer);
|
|
|
856 LSTREAM_HAS_METHOD (winsock, was_blocked_p);
|
|
|
857 }
|
|
|
858 #endif /* defined (HAVE_SOCKETS) */
|
|
|
859
|
|
|
860 /************************************************************************/
|
|
274
|
861 /* Dispatch queue management */
|
|
|
862 /************************************************************************/
|
|
227
|
863
|
|
223
|
864 static int
|
|
398
|
865 mswindows_user_event_p (Lisp_Event* sevt)
|
|
223
|
866 {
|
|
|
867 return (sevt->event_type == key_press_event
|
|
|
868 || sevt->event_type == button_press_event
|
|
288
|
869 || sevt->event_type == button_release_event
|
|
|
870 || sevt->event_type == misc_user_event);
|
|
223
|
871 }
|
|
|
872
|
|
398
|
873 /*
|
|
223
|
874 * Add an emacs event to the proper dispatch queue
|
|
219
|
875 */
|
|
406
|
876 void
|
|
213
|
877 mswindows_enqueue_dispatch_event (Lisp_Object event)
|
|
|
878 {
|
|
223
|
879 int user_p = mswindows_user_event_p (XEVENT(event));
|
|
|
880 enqueue_event (event,
|
|
398
|
881 user_p ? &mswindows_u_dispatch_event_queue :
|
|
404
|
882 &mswindows_s_dispatch_event_queue,
|
|
223
|
883 user_p ? &mswindows_u_dispatch_event_queue_tail :
|
|
404
|
884 &mswindows_s_dispatch_event_queue_tail);
|
|
223
|
885
|
|
276
|
886 /* Avoid blocking on WaitMessage */
|
|
223
|
887 PostMessage (NULL, XM_BUMPQUEUE, 0, 0);
|
|
213
|
888 }
|
|
|
889
|
|
288
|
890 /*
|
|
|
891 * Add a misc-user event to the dispatch queue.
|
|
|
892 *
|
|
|
893 * Stuff it into our own dispatch queue, so we have something
|
|
|
894 * to return from next_event callback.
|
|
|
895 */
|
|
249
|
896 void
|
|
288
|
897 mswindows_enqueue_misc_user_event (Lisp_Object channel, Lisp_Object function,
|
|
|
898 Lisp_Object object)
|
|
276
|
899 {
|
|
288
|
900 Lisp_Object event = Fmake_event (Qnil, Qnil);
|
|
398
|
901 Lisp_Event* e = XEVENT (event);
|
|
276
|
902
|
|
288
|
903 e->event_type = misc_user_event;
|
|
|
904 e->channel = channel;
|
|
398
|
905 e->timestamp = GetTickCount ();
|
|
288
|
906 e->event.misc.function = function;
|
|
|
907 e->event.misc.object = object;
|
|
276
|
908
|
|
288
|
909 mswindows_enqueue_dispatch_event (event);
|
|
276
|
910 }
|
|
|
911
|
|
298
|
912 void
|
|
398
|
913 mswindows_enqueue_magic_event (HWND hwnd, UINT msg)
|
|
249
|
914 {
|
|
|
915 Lisp_Object emacs_event = Fmake_event (Qnil, Qnil);
|
|
398
|
916 Lisp_Event* event = XEVENT (emacs_event);
|
|
249
|
917
|
|
288
|
918 event->channel = hwnd ? mswindows_find_frame (hwnd) : Qnil;
|
|
249
|
919 event->timestamp = GetMessageTime();
|
|
|
920 event->event_type = magic_event;
|
|
398
|
921 EVENT_MSWINDOWS_MAGIC_TYPE (event) = msg;
|
|
249
|
922
|
|
|
923 mswindows_enqueue_dispatch_event (emacs_event);
|
|
|
924 }
|
|
|
925
|
|
|
926 static void
|
|
398
|
927 mswindows_enqueue_process_event (Lisp_Process* p)
|
|
274
|
928 {
|
|
|
929 Lisp_Object emacs_event = Fmake_event (Qnil, Qnil);
|
|
398
|
930 Lisp_Event* event = XEVENT (emacs_event);
|
|
274
|
931 Lisp_Object process;
|
|
|
932 XSETPROCESS (process, p);
|
|
|
933
|
|
|
934 event->event_type = process_event;
|
|
|
935 event->timestamp = GetTickCount ();
|
|
|
936 event->event.process.process = process;
|
|
|
937
|
|
|
938 mswindows_enqueue_dispatch_event (emacs_event);
|
|
|
939 }
|
|
|
940
|
|
|
941 static void
|
|
408
|
942 mswindows_enqueue_mouse_button_event (HWND hwnd, UINT msg, POINTS where,
|
|
|
943 DWORD when)
|
|
249
|
944 {
|
|
408
|
945 int downp = (msg == WM_LBUTTONDOWN || msg == WM_MBUTTONDOWN ||
|
|
|
946 msg == WM_RBUTTONDOWN);
|
|
249
|
947
|
|
|
948 /* We always use last message time, because mouse button
|
|
|
949 events may get delayed, and XEmacs double click
|
|
|
950 recognition will fail */
|
|
|
951
|
|
|
952 Lisp_Object emacs_event = Fmake_event (Qnil, Qnil);
|
|
408
|
953 Lisp_Event* event = XEVENT (emacs_event);
|
|
|
954
|
|
|
955 mswindows_handle_sticky_modifiers (0, 0, downp, 0);
|
|
|
956 event->channel = mswindows_find_frame (hwnd);
|
|
249
|
957 event->timestamp = when;
|
|
|
958 event->event.button.button =
|
|
398
|
959 (msg==WM_LBUTTONDOWN || msg==WM_LBUTTONUP) ? 1 :
|
|
|
960 ((msg==WM_RBUTTONDOWN || msg==WM_RBUTTONUP) ? 3 : 2);
|
|
249
|
961 event->event.button.x = where.x;
|
|
|
962 event->event.button.y = where.y;
|
|
|
963 event->event.button.modifiers = mswindows_modifier_state (NULL, 0);
|
|
398
|
964
|
|
408
|
965 if (downp)
|
|
249
|
966 {
|
|
|
967 event->event_type = button_press_event;
|
|
|
968 SetCapture (hwnd);
|
|
384
|
969 /* we need this to make sure the main window regains the focus
|
|
|
970 from control subwindows */
|
|
|
971 if (GetFocus() != hwnd)
|
|
|
972 {
|
|
|
973 SetFocus (hwnd);
|
|
|
974 mswindows_enqueue_magic_event (hwnd, WM_SETFOCUS);
|
|
|
975 }
|
|
249
|
976 }
|
|
|
977 else
|
|
|
978 {
|
|
|
979 event->event_type = button_release_event;
|
|
|
980 ReleaseCapture ();
|
|
|
981 }
|
|
398
|
982
|
|
249
|
983 mswindows_enqueue_dispatch_event (emacs_event);
|
|
|
984 }
|
|
|
985
|
|
|
986 static void
|
|
|
987 mswindows_enqueue_keypress_event (HWND hwnd, Lisp_Object keysym, int mods)
|
|
|
988 {
|
|
|
989 Lisp_Object emacs_event = Fmake_event (Qnil, Qnil);
|
|
398
|
990 Lisp_Event* event = XEVENT(emacs_event);
|
|
249
|
991
|
|
|
992 event->channel = mswindows_find_console(hwnd);
|
|
|
993 event->timestamp = GetMessageTime();
|
|
|
994 event->event_type = key_press_event;
|
|
|
995 event->event.key.keysym = keysym;
|
|
|
996 event->event.key.modifiers = mods;
|
|
|
997 mswindows_enqueue_dispatch_event (emacs_event);
|
|
|
998 }
|
|
|
999
|
|
219
|
1000 /*
|
|
223
|
1001 * Remove and return the first emacs event on the dispatch queue.
|
|
|
1002 * Give a preference to user events over non-user ones.
|
|
219
|
1003 */
|
|
213
|
1004 static Lisp_Object
|
|
404
|
1005 mswindows_dequeue_dispatch_event (void)
|
|
213
|
1006 {
|
|
|
1007 Lisp_Object event;
|
|
398
|
1008 Lisp_Event* sevt;
|
|
223
|
1009
|
|
|
1010 assert (!NILP(mswindows_u_dispatch_event_queue) ||
|
|
|
1011 !NILP(mswindows_s_dispatch_event_queue));
|
|
|
1012
|
|
|
1013 event = dequeue_event (
|
|
404
|
1014 NILP(mswindows_u_dispatch_event_queue) ?
|
|
398
|
1015 &mswindows_s_dispatch_event_queue :
|
|
223
|
1016 &mswindows_u_dispatch_event_queue,
|
|
404
|
1017 NILP(mswindows_u_dispatch_event_queue) ?
|
|
223
|
1018 &mswindows_s_dispatch_event_queue_tail :
|
|
|
1019 &mswindows_u_dispatch_event_queue_tail);
|
|
|
1020
|
|
|
1021 sevt = XEVENT(event);
|
|
|
1022 if (sevt->event_type == key_press_event
|
|
|
1023 && (sevt->event.key.modifiers & FAKE_MOD_QUIT))
|
|
|
1024 {
|
|
|
1025 sevt->event.key.modifiers &= ~FAKE_MOD_QUIT;
|
|
|
1026 --mswindows_quit_chars_count;
|
|
|
1027 }
|
|
|
1028
|
|
213
|
1029 return event;
|
|
|
1030 }
|
|
|
1031
|
|
|
1032 /*
|
|
219
|
1033 * Remove and return the first emacs event on the dispatch queue that matches
|
|
384
|
1034 * the supplied event.
|
|
|
1035 * Timeout event matches if interval_id is equal to that of the given event.
|
|
223
|
1036 * Keypress event matches if logical AND between modifiers bitmask of the
|
|
384
|
1037 * event in the queue and that of the given event is non-zero.
|
|
|
1038 * For all other event types, this function aborts.
|
|
219
|
1039 */
|
|
223
|
1040
|
|
219
|
1041 Lisp_Object
|
|
398
|
1042 mswindows_cancel_dispatch_event (Lisp_Event *match)
|
|
219
|
1043 {
|
|
|
1044 Lisp_Object event;
|
|
384
|
1045 Lisp_Object previous_event = Qnil;
|
|
223
|
1046 int user_p = mswindows_user_event_p (match);
|
|
398
|
1047 Lisp_Object* head = user_p ? &mswindows_u_dispatch_event_queue :
|
|
404
|
1048 &mswindows_s_dispatch_event_queue;
|
|
398
|
1049 Lisp_Object* tail = user_p ? &mswindows_u_dispatch_event_queue_tail :
|
|
404
|
1050 &mswindows_s_dispatch_event_queue_tail;
|
|
219
|
1051
|
|
223
|
1052 assert (match->event_type == timeout_event
|
|
|
1053 || match->event_type == key_press_event);
|
|
219
|
1054
|
|
223
|
1055 EVENT_CHAIN_LOOP (event, *head)
|
|
|
1056 {
|
|
398
|
1057 Lisp_Event *e = XEVENT (event);
|
|
384
|
1058 if ((e->event_type == match->event_type) &&
|
|
|
1059 ((e->event_type == timeout_event) ?
|
|
|
1060 (e->event.timeout.interval_id == match->event.timeout.interval_id) :
|
|
|
1061 /* Must be key_press_event */
|
|
|
1062 ((e->event.key.modifiers & match->event.key.modifiers) != 0)))
|
|
223
|
1063 {
|
|
|
1064 if (NILP (previous_event))
|
|
|
1065 dequeue_event (head, tail);
|
|
|
1066 else
|
|
|
1067 {
|
|
|
1068 XSET_EVENT_NEXT (previous_event, XEVENT_NEXT (event));
|
|
|
1069 if (EQ (*tail, event))
|
|
|
1070 *tail = previous_event;
|
|
|
1071 }
|
|
398
|
1072
|
|
223
|
1073 return event;
|
|
|
1074 }
|
|
219
|
1075 previous_event = event;
|
|
223
|
1076 }
|
|
239
|
1077 return Qnil;
|
|
219
|
1078 }
|
|
274
|
1079
|
|
384
|
1080 #ifndef HAVE_MSG_SELECT
|
|
274
|
1081 /************************************************************************/
|
|
|
1082 /* Waitable handles manipulation */
|
|
|
1083 /************************************************************************/
|
|
|
1084 static int
|
|
|
1085 find_waitable_handle (HANDLE h)
|
|
|
1086 {
|
|
|
1087 int i;
|
|
|
1088 for (i = 0; i < mswindows_waitable_count; ++i)
|
|
|
1089 if (mswindows_waitable_handles[i] == h)
|
|
|
1090 return i;
|
|
219
|
1091
|
|
274
|
1092 return -1;
|
|
|
1093 }
|
|
249
|
1094
|
|
274
|
1095 static BOOL
|
|
|
1096 add_waitable_handle (HANDLE h)
|
|
|
1097 {
|
|
|
1098 assert (find_waitable_handle (h) < 0);
|
|
|
1099 if (mswindows_waitable_count == MAX_WAITABLE)
|
|
|
1100 return FALSE;
|
|
|
1101
|
|
|
1102 mswindows_waitable_handles [mswindows_waitable_count++] = h;
|
|
|
1103 return TRUE;
|
|
|
1104 }
|
|
|
1105
|
|
|
1106 static void
|
|
|
1107 remove_waitable_handle (HANDLE h)
|
|
|
1108 {
|
|
|
1109 int ix = find_waitable_handle (h);
|
|
|
1110 if (ix < 0)
|
|
|
1111 return;
|
|
|
1112
|
|
398
|
1113 mswindows_waitable_handles [ix] =
|
|
274
|
1114 mswindows_waitable_handles [--mswindows_waitable_count];
|
|
|
1115 }
|
|
384
|
1116 #endif /* HAVE_MSG_SELECT */
|
|
274
|
1117
|
|
|
1118
|
|
249
|
1119 /************************************************************************/
|
|
|
1120 /* Event pump */
|
|
|
1121 /************************************************************************/
|
|
|
1122
|
|
231
|
1123 static Lisp_Object
|
|
|
1124 mswindows_modal_loop_error_handler (Lisp_Object cons_sig_data,
|
|
|
1125 Lisp_Object u_n_u_s_e_d)
|
|
|
1126 {
|
|
|
1127 mswindows_error_caught_in_modal_loop = cons_sig_data;
|
|
|
1128 return Qunbound;
|
|
|
1129 }
|
|
|
1130
|
|
|
1131 Lisp_Object
|
|
|
1132 mswindows_protect_modal_loop (Lisp_Object (*bfun) (Lisp_Object barg),
|
|
|
1133 Lisp_Object barg)
|
|
|
1134 {
|
|
|
1135 Lisp_Object tmp;
|
|
|
1136
|
|
398
|
1137 ++mswindows_in_modal_loop;
|
|
231
|
1138 tmp = condition_case_1 (Qt,
|
|
|
1139 bfun, barg,
|
|
|
1140 mswindows_modal_loop_error_handler, Qnil);
|
|
|
1141 --mswindows_in_modal_loop;
|
|
|
1142
|
|
|
1143 return tmp;
|
|
|
1144 }
|
|
|
1145
|
|
|
1146 void
|
|
|
1147 mswindows_unmodalize_signal_maybe (void)
|
|
|
1148 {
|
|
|
1149 if (!NILP (mswindows_error_caught_in_modal_loop))
|
|
|
1150 {
|
|
|
1151 /* Got an error while messages were pumped while
|
|
|
1152 in window procedure - have to resignal */
|
|
|
1153 Lisp_Object sym = XCAR (mswindows_error_caught_in_modal_loop);
|
|
|
1154 Lisp_Object data = XCDR (mswindows_error_caught_in_modal_loop);
|
|
|
1155 mswindows_error_caught_in_modal_loop = Qnil;
|
|
|
1156 Fsignal (sym, data);
|
|
|
1157 }
|
|
|
1158 }
|
|
|
1159
|
|
219
|
1160 /*
|
|
398
|
1161 * This is an unsafe part of event pump, guarded by
|
|
227
|
1162 * condition_case. See mswindows_pump_outstanding_events
|
|
|
1163 */
|
|
|
1164 static Lisp_Object
|
|
|
1165 mswindows_unsafe_pump_events (Lisp_Object u_n_u_s_e_d)
|
|
|
1166 {
|
|
|
1167 /* This function can call lisp */
|
|
|
1168 Lisp_Object event = Fmake_event (Qnil, Qnil);
|
|
|
1169 struct gcpro gcpro1;
|
|
|
1170 int do_redisplay = 0;
|
|
|
1171 GCPRO1 (event);
|
|
|
1172
|
|
|
1173 while (detect_input_pending ())
|
|
|
1174 {
|
|
|
1175 Fnext_event (event, Qnil);
|
|
|
1176 Fdispatch_event (event);
|
|
|
1177 do_redisplay = 1;
|
|
|
1178 }
|
|
|
1179
|
|
|
1180 if (do_redisplay)
|
|
|
1181 redisplay ();
|
|
|
1182
|
|
|
1183 Fdeallocate_event (event);
|
|
|
1184 UNGCPRO;
|
|
398
|
1185
|
|
227
|
1186 /* Qt becomes return value of mswindows_pump_outstanding_events
|
|
|
1187 once we get here */
|
|
|
1188 return Qt;
|
|
|
1189 }
|
|
|
1190
|
|
|
1191 /*
|
|
|
1192 * This function pumps emacs events, while available, by using
|
|
|
1193 * next_message/dispatch_message loop. Errors are trapped around
|
|
|
1194 * the loop so the function always returns.
|
|
|
1195 *
|
|
|
1196 * Windows message queue is not looked into during the call,
|
|
|
1197 * neither are waitable handles checked. The function pumps
|
|
|
1198 * thus only dispatch events already queued, as well as those
|
|
|
1199 * resulted in dispatching thereof. This is done by setting
|
|
380
|
1200 * module local variable mswindows_in_modal_loop to nonzero.
|
|
227
|
1201 *
|
|
231
|
1202 * Return value is Qt if no errors was trapped, or Qunbound if
|
|
227
|
1203 * there was an error.
|
|
|
1204 *
|
|
|
1205 * In case of error, a cons representing the error, in the
|
|
|
1206 * form (SIGNAL . DATA), is stored in the module local variable
|
|
231
|
1207 * mswindows_error_caught_in_modal_loop. This error is signaled
|
|
227
|
1208 * again when DispatchMessage returns. Thus, Windows internal
|
|
|
1209 * modal loops are protected against throws, which are proven
|
|
|
1210 * to corrupt internal Windows structures.
|
|
|
1211 *
|
|
231
|
1212 * In case of success, mswindows_error_caught_in_modal_loop is
|
|
227
|
1213 * assigned Qnil.
|
|
|
1214 *
|
|
231
|
1215 * If the value of mswindows_error_caught_in_modal_loop is not
|
|
227
|
1216 * nil already upon entry, the function just returns non-nil.
|
|
|
1217 * This situation means that a new event has been queued while
|
|
380
|
1218 * in cancel mode. The event will be dequeued on the next regular
|
|
227
|
1219 * call of next-event; the pump is off since error is caught.
|
|
|
1220 * The caller must *unconditionally* cancel modal loop if the
|
|
|
1221 * value returned by this function is nil. Otherwise, everything
|
|
|
1222 * will become frozen until the modal loop exits under normal
|
|
|
1223 * condition (scrollbar drag is released, menu closed etc.)
|
|
|
1224 */
|
|
|
1225 Lisp_Object
|
|
|
1226 mswindows_pump_outstanding_events (void)
|
|
|
1227 {
|
|
|
1228 /* This function can call lisp */
|
|
|
1229
|
|
|
1230 Lisp_Object result = Qt;
|
|
249
|
1231 struct gcpro gcpro1;
|
|
|
1232 GCPRO1 (result);
|
|
398
|
1233
|
|
231
|
1234 if (NILP(mswindows_error_caught_in_modal_loop))
|
|
404
|
1235 result = mswindows_protect_modal_loop (mswindows_unsafe_pump_events, Qnil);
|
|
249
|
1236 UNGCPRO;
|
|
227
|
1237 return result;
|
|
|
1238 }
|
|
|
1239
|
|
398
|
1240 /*
|
|
|
1241 * KEYBOARD_ONLY_P is set to non-zero when we are called from
|
|
|
1242 * QUITP, and are interesting in keyboard messages only.
|
|
|
1243 */
|
|
|
1244 static void
|
|
404
|
1245 mswindows_drain_windows_queue (void)
|
|
223
|
1246 {
|
|
|
1247 MSG msg;
|
|
398
|
1248
|
|
|
1249 /* should call mswindows_need_event_in_modal_loop() if in modal loop */
|
|
|
1250 assert (!mswindows_in_modal_loop);
|
|
|
1251
|
|
223
|
1252 while (PeekMessage (&msg, NULL, 0, 0, PM_REMOVE))
|
|
227
|
1253 {
|
|
398
|
1254 /* We have to translate messages that are not sent to the main
|
|
|
1255 window. This is so that key presses work ok in things like
|
|
|
1256 edit fields. However, we *musn't* translate message for the
|
|
404
|
1257 main window as this is handled in the wnd proc.
|
|
|
1258 We also have to avoid generating paint magic events for windows
|
|
|
1259 that aren't XEmacs frames */
|
|
|
1260 if (GetWindowLong (msg.hwnd, GWL_STYLE) & (WS_CHILD|WS_POPUP))
|
|
384
|
1261 {
|
|
|
1262 TranslateMessage (&msg);
|
|
|
1263 }
|
|
398
|
1264 else if (msg.message == WM_PAINT)
|
|
|
1265 {
|
|
404
|
1266 struct mswindows_frame* msframe;
|
|
|
1267
|
|
398
|
1268 /* hdc will be NULL unless this is a subwindow - in which case we
|
|
|
1269 shouldn't have received a paint message for it here. */
|
|
|
1270 assert (msg.wParam == 0);
|
|
|
1271
|
|
400
|
1272 /* Queue a magic event for handling when safe */
|
|
404
|
1273 msframe = FRAME_MSWINDOWS_DATA (
|
|
|
1274 XFRAME (mswindows_find_frame (msg.hwnd)));
|
|
|
1275 if (!msframe->paint_pending)
|
|
|
1276 {
|
|
|
1277 msframe->paint_pending = 1;
|
|
|
1278 mswindows_enqueue_magic_event (msg.hwnd, WM_PAINT);
|
|
|
1279 }
|
|
398
|
1280 /* Don't dispatch. WM_PAINT is always the last message in the
|
|
|
1281 queue so it's OK to just return. */
|
|
|
1282 return;
|
|
|
1283 }
|
|
227
|
1284 DispatchMessage (&msg);
|
|
231
|
1285 mswindows_unmodalize_signal_maybe ();
|
|
227
|
1286 }
|
|
|
1287 }
|
|
|
1288
|
|
398
|
1289 /*
|
|
380
|
1290 * This is a special flavor of the mswindows_need_event function,
|
|
227
|
1291 * used while in event pump. Actually, there is only kind of events
|
|
|
1292 * allowed while in event pump: a timer. An attempt to fetch any
|
|
380
|
1293 * other event leads to a deadlock, as there's no source of user input
|
|
227
|
1294 * ('cause event pump mirrors windows modal loop, which is a sole
|
|
|
1295 * owner of thread message queue).
|
|
|
1296 *
|
|
|
1297 * To detect this, we use a counter of active timers, and allow
|
|
|
1298 * fetching WM_TIMER messages. Instead of trying to fetch a WM_TIMER
|
|
|
1299 * which will never come when there are no pending timers, which leads
|
|
|
1300 * to deadlock, we simply signal an error.
|
|
|
1301 */
|
|
|
1302 static void
|
|
274
|
1303 mswindows_need_event_in_modal_loop (int badly_p)
|
|
227
|
1304 {
|
|
|
1305 MSG msg;
|
|
|
1306
|
|
|
1307 /* Check if already have one */
|
|
|
1308 if (!NILP (mswindows_u_dispatch_event_queue)
|
|
|
1309 || !NILP (mswindows_s_dispatch_event_queue))
|
|
|
1310 return;
|
|
|
1311
|
|
|
1312 /* No event is ok */
|
|
|
1313 if (!badly_p)
|
|
|
1314 return;
|
|
|
1315
|
|
|
1316 /* We do not check the _u_ queue, because timers go to _s_ */
|
|
|
1317 while (NILP (mswindows_s_dispatch_event_queue))
|
|
|
1318 {
|
|
|
1319 /* We'll deadlock if go waiting */
|
|
|
1320 if (mswindows_pending_timers_count == 0)
|
|
|
1321 error ("Deadlock due to an attempt to call next-event in a wrong context");
|
|
398
|
1322
|
|
227
|
1323 /* Fetch and dispatch any pending timers */
|
|
|
1324 GetMessage (&msg, NULL, WM_TIMER, WM_TIMER);
|
|
|
1325 DispatchMessage (&msg);
|
|
|
1326 }
|
|
223
|
1327 }
|
|
|
1328
|
|
|
1329 /*
|
|
|
1330 * This drains the event queue and fills up two internal queues until
|
|
|
1331 * an event of a type specified by USER_P is retrieved.
|
|
|
1332 *
|
|
|
1333 *
|
|
|
1334 * Used by emacs_mswindows_event_pending_p and emacs_mswindows_next_event
|
|
|
1335 */
|
|
|
1336 static void
|
|
274
|
1337 mswindows_need_event (int badly_p)
|
|
223
|
1338 {
|
|
|
1339 int active;
|
|
|
1340
|
|
231
|
1341 if (mswindows_in_modal_loop)
|
|
227
|
1342 {
|
|
274
|
1343 mswindows_need_event_in_modal_loop (badly_p);
|
|
227
|
1344 return;
|
|
|
1345 }
|
|
|
1346
|
|
274
|
1347 while (NILP (mswindows_u_dispatch_event_queue)
|
|
|
1348 && NILP (mswindows_s_dispatch_event_queue))
|
|
278
|
1349 {
|
|
|
1350 #ifdef HAVE_MSG_SELECT
|
|
|
1351 int i;
|
|
|
1352 SELECT_TYPE temp_mask = input_wait_mask;
|
|
|
1353 EMACS_TIME sometime;
|
|
|
1354 EMACS_SELECT_TIME select_time_to_block, *pointer_to_this;
|
|
398
|
1355
|
|
278
|
1356 if (badly_p)
|
|
|
1357 pointer_to_this = 0;
|
|
|
1358 else
|
|
|
1359 {
|
|
|
1360 EMACS_SET_SECS_USECS (sometime, 0, 0);
|
|
|
1361 EMACS_TIME_TO_SELECT_TIME (sometime, select_time_to_block);
|
|
|
1362 pointer_to_this = &select_time_to_block;
|
|
|
1363 }
|
|
373
|
1364
|
|
278
|
1365 active = select (MAXDESC, &temp_mask, 0, 0, pointer_to_this);
|
|
398
|
1366
|
|
278
|
1367 if (active == 0)
|
|
|
1368 {
|
|
398
|
1369 assert (!badly_p);
|
|
278
|
1370 return; /* timeout */
|
|
|
1371 }
|
|
|
1372 else if (active > 0)
|
|
|
1373 {
|
|
|
1374 if (FD_ISSET (windows_fd, &temp_mask))
|
|
|
1375 {
|
|
|
1376 mswindows_drain_windows_queue ();
|
|
|
1377 }
|
|
404
|
1378 else
|
|
392
|
1379 {
|
|
404
|
1380 #ifdef HAVE_TTY
|
|
|
1381 /* Look for a TTY event */
|
|
|
1382 for (i = 0; i < MAXDESC-1; i++)
|
|
392
|
1383 {
|
|
404
|
1384 /* To avoid race conditions (among other things, an infinite
|
|
|
1385 loop when called from Fdiscard_input()), we must return
|
|
|
1386 user events ahead of process events. */
|
|
|
1387 if (FD_ISSET (i, &temp_mask) && FD_ISSET (i, &tty_only_mask))
|
|
392
|
1388 {
|
|
404
|
1389 struct console *c = tty_find_console_from_fd (i);
|
|
|
1390 Lisp_Object emacs_event = Fmake_event (Qnil, Qnil);
|
|
|
1391 Lisp_Event* event = XEVENT (emacs_event);
|
|
|
1392
|
|
|
1393 assert (c);
|
|
|
1394 if (read_event_from_tty_or_stream_desc (event, c, i))
|
|
|
1395 {
|
|
|
1396 mswindows_enqueue_dispatch_event (emacs_event);
|
|
|
1397 return;
|
|
|
1398 }
|
|
392
|
1399 }
|
|
|
1400 }
|
|
|
1401 #endif
|
|
404
|
1402 /* Look for a process event */
|
|
|
1403 for (i = 0; i < MAXDESC-1; i++)
|
|
278
|
1404 {
|
|
404
|
1405 if (FD_ISSET (i, &temp_mask))
|
|
278
|
1406 {
|
|
404
|
1407 if (FD_ISSET (i, &process_only_mask))
|
|
|
1408 {
|
|
|
1409 Lisp_Process *p =
|
|
|
1410 get_process_from_usid (FD_TO_USID(i));
|
|
|
1411
|
|
|
1412 mswindows_enqueue_process_event (p);
|
|
|
1413 }
|
|
|
1414 else
|
|
|
1415 {
|
|
|
1416 /* We might get here when a fake event came
|
|
|
1417 through a signal. Return a dummy event, so
|
|
|
1418 that a cycle of the command loop will
|
|
|
1419 occur. */
|
|
|
1420 drain_signal_event_pipe ();
|
|
|
1421 mswindows_enqueue_magic_event (NULL, XM_BUMPQUEUE);
|
|
|
1422 }
|
|
278
|
1423 }
|
|
|
1424 }
|
|
|
1425 }
|
|
|
1426 }
|
|
|
1427 else if (active==-1)
|
|
|
1428 {
|
|
|
1429 if (errno != EINTR)
|
|
|
1430 {
|
|
380
|
1431 /* something bad happened */
|
|
278
|
1432 assert(0);
|
|
|
1433 }
|
|
|
1434 }
|
|
|
1435 else
|
|
|
1436 {
|
|
|
1437 assert(0);
|
|
|
1438 }
|
|
|
1439 #else
|
|
|
1440 /* Now try getting a message or process event */
|
|
404
|
1441 active = MsgWaitForMultipleObjects (mswindows_waitable_count,
|
|
|
1442 mswindows_waitable_handles,
|
|
|
1443 FALSE, badly_p ? INFINITE : 0,
|
|
|
1444 QS_ALLINPUT);
|
|
|
1445
|
|
|
1446 /* This will assert if handle being waited for becomes abandoned.
|
|
|
1447 Not the case currently tho */
|
|
|
1448 assert ((!badly_p && active == WAIT_TIMEOUT) ||
|
|
|
1449 (active >= WAIT_OBJECT_0 &&
|
|
|
1450 active <= WAIT_OBJECT_0 + mswindows_waitable_count));
|
|
|
1451
|
|
|
1452 if (active == WAIT_TIMEOUT)
|
|
|
1453 {
|
|
|
1454 /* No luck trying - just return what we've already got */
|
|
|
1455 return;
|
|
|
1456 }
|
|
|
1457 else if (active == WAIT_OBJECT_0 + mswindows_waitable_count)
|
|
|
1458 {
|
|
|
1459 /* Got your message, thanks */
|
|
|
1460 mswindows_drain_windows_queue ();
|
|
|
1461 }
|
|
|
1462 else
|
|
|
1463 {
|
|
|
1464 int ix = active - WAIT_OBJECT_0;
|
|
|
1465 /* First, try to find which process' output has signaled */
|
|
|
1466 Lisp_Process *p =
|
|
|
1467 get_process_from_usid (HANDLE_TO_USID (mswindows_waitable_handles[ix]));
|
|
|
1468 if (p != NULL)
|
|
|
1469 {
|
|
|
1470 /* Found a signaled process input handle */
|
|
|
1471 mswindows_enqueue_process_event (p);
|
|
|
1472 }
|
|
|
1473 else
|
|
|
1474 {
|
|
|
1475 /* None. This means that the process handle itself has signaled.
|
|
|
1476 Remove the handle from the wait vector, and make status_notify
|
|
|
1477 note the exited process */
|
|
|
1478 mswindows_waitable_handles [ix] =
|
|
|
1479 mswindows_waitable_handles [--mswindows_waitable_count];
|
|
|
1480 kick_status_notify ();
|
|
406
|
1481 /* We need to return a process event here so that
|
|
|
1482 (1) accept-process-output will return when called on this
|
|
|
1483 process, and (2) status notifications will happen in
|
|
|
1484 accept-process-output, sleep-for, and sit-for. */
|
|
|
1485 /* #### horrible kludge till my real process fixes go in.
|
|
|
1486 */
|
|
|
1487 if (!NILP (Vprocess_list))
|
|
|
1488 {
|
|
|
1489 Lisp_Object vaffanculo = XCAR (Vprocess_list);
|
|
|
1490 mswindows_enqueue_process_event (XPROCESS (vaffanculo));
|
|
|
1491 }
|
|
|
1492 else /* trash me soon. */
|
|
|
1493 /* Have to return something: there may be no accompanying
|
|
|
1494 process event */
|
|
|
1495 mswindows_enqueue_magic_event (NULL, XM_BUMPQUEUE);
|
|
404
|
1496 }
|
|
|
1497 }
|
|
278
|
1498 #endif
|
|
404
|
1499 } /* while */
|
|
223
|
1500 }
|
|
|
1501
|
|
249
|
1502 /************************************************************************/
|
|
|
1503 /* Event generators */
|
|
|
1504 /************************************************************************/
|
|
|
1505
|
|
398
|
1506 /*
|
|
249
|
1507 * Callback procedure for synchronous timer messages
|
|
|
1508 */
|
|
|
1509 static void CALLBACK
|
|
|
1510 mswindows_wm_timer_callback (HWND hwnd, UINT umsg, UINT id_timer, DWORD dwtime)
|
|
|
1511 {
|
|
|
1512 Lisp_Object emacs_event = Fmake_event (Qnil, Qnil);
|
|
398
|
1513 Lisp_Event *event = XEVENT (emacs_event);
|
|
249
|
1514
|
|
|
1515 if (KillTimer (NULL, id_timer))
|
|
|
1516 --mswindows_pending_timers_count;
|
|
|
1517
|
|
|
1518 event->channel = Qnil;
|
|
|
1519 event->timestamp = dwtime;
|
|
|
1520 event->event_type = timeout_event;
|
|
|
1521 event->event.timeout.interval_id = id_timer;
|
|
382
|
1522 event->event.timeout.function = Qnil;
|
|
|
1523 event->event.timeout.object = Qnil;
|
|
249
|
1524
|
|
|
1525 mswindows_enqueue_dispatch_event (emacs_event);
|
|
|
1526 }
|
|
|
1527
|
|
398
|
1528 /*
|
|
249
|
1529 * Callback procedure for dde messages
|
|
284
|
1530 *
|
|
|
1531 * We execute a dde Open("file") by simulating a file drop, so dde support
|
|
|
1532 * depends on dnd support.
|
|
249
|
1533 */
|
|
284
|
1534 #ifdef HAVE_DRAGNDROP
|
|
249
|
1535 HDDEDATA CALLBACK
|
|
|
1536 mswindows_dde_callback (UINT uType, UINT uFmt, HCONV hconv,
|
|
|
1537 HSZ hszTopic, HSZ hszItem, HDDEDATA hdata,
|
|
|
1538 DWORD dwData1, DWORD dwData2)
|
|
398
|
1539 {
|
|
249
|
1540 switch (uType)
|
|
398
|
1541 {
|
|
249
|
1542 case XTYP_CONNECT:
|
|
|
1543 if (!DdeCmpStringHandles (hszTopic, mswindows_dde_topic_system))
|
|
|
1544 return (HDDEDATA)TRUE;
|
|
|
1545 return (HDDEDATA)FALSE;
|
|
|
1546
|
|
|
1547 case XTYP_WILDCONNECT:
|
|
|
1548 {
|
|
|
1549 /* We only support one {service,topic} pair */
|
|
|
1550 HSZPAIR pairs[2] = {
|
|
|
1551 { mswindows_dde_service, mswindows_dde_topic_system }, { 0, 0 } };
|
|
|
1552
|
|
|
1553 if (!(hszItem || DdeCmpStringHandles (hszItem, mswindows_dde_service)) &&
|
|
400
|
1554 !(hszTopic || DdeCmpStringHandles (hszTopic, mswindows_dde_topic_system)))
|
|
249
|
1555 return (DdeCreateDataHandle (mswindows_dde_mlid, (LPBYTE)pairs,
|
|
|
1556 sizeof (pairs), 0L, 0, uFmt, 0));
|
|
|
1557 }
|
|
398
|
1558 return (HDDEDATA)NULL;
|
|
249
|
1559
|
|
|
1560 case XTYP_EXECUTE:
|
|
|
1561 if (!DdeCmpStringHandles (hszTopic, mswindows_dde_topic_system))
|
|
|
1562 {
|
|
|
1563 DWORD len = DdeGetData (hdata, NULL, 0, 0);
|
|
400
|
1564 LPBYTE cmd = (LPBYTE) alloca (len+1);
|
|
249
|
1565 char *end;
|
|
282
|
1566 char *filename;
|
|
|
1567 struct gcpro gcpro1, gcpro2;
|
|
|
1568 Lisp_Object l_dndlist = Qnil;
|
|
249
|
1569 Lisp_Object emacs_event = Fmake_event (Qnil, Qnil);
|
|
284
|
1570 Lisp_Object frmcons, devcons, concons;
|
|
398
|
1571 Lisp_Event *event = XEVENT (emacs_event);
|
|
249
|
1572
|
|
|
1573 DdeGetData (hdata, cmd, len, 0);
|
|
|
1574 cmd[len] = '\0';
|
|
|
1575 DdeFreeDataHandle (hdata);
|
|
|
1576
|
|
282
|
1577 /* Check syntax & that it's an [Open("foo")] command, which we
|
|
|
1578 * treat like a file drop */
|
|
249
|
1579 /* #### Ought to be generalised and accept some other commands */
|
|
|
1580 if (*cmd == '[')
|
|
|
1581 cmd++;
|
|
|
1582 if (strnicmp (cmd, MSWINDOWS_DDE_ITEM_OPEN,
|
|
|
1583 strlen (MSWINDOWS_DDE_ITEM_OPEN)))
|
|
|
1584 return DDE_FNOTPROCESSED;
|
|
|
1585 cmd += strlen (MSWINDOWS_DDE_ITEM_OPEN);
|
|
|
1586 while (*cmd==' ')
|
|
|
1587 cmd++;
|
|
|
1588 if (*cmd!='(' || *(cmd+1)!='\"')
|
|
|
1589 return DDE_FNOTPROCESSED;
|
|
|
1590 end = (cmd+=2);
|
|
|
1591 while (*end && *end!='\"')
|
|
|
1592 end++;
|
|
|
1593 if (!*end)
|
|
|
1594 return DDE_FNOTPROCESSED;
|
|
|
1595 *end = '\0';
|
|
|
1596 if (*(++end)!=')')
|
|
|
1597 return DDE_FNOTPROCESSED;
|
|
|
1598 if (*(++end)==']')
|
|
|
1599 end++;
|
|
|
1600 if (*end)
|
|
|
1601 return DDE_FNOTPROCESSED;
|
|
282
|
1602
|
|
259
|
1603 #ifdef __CYGWIN32__
|
|
282
|
1604 filename = alloca (cygwin32_win32_to_posix_path_list_buf_size (cmd) + 5);
|
|
|
1605 strcpy (filename, "file:");
|
|
|
1606 cygwin32_win32_to_posix_path_list (cmd, filename+5);
|
|
|
1607 #else
|
|
|
1608 dostounix_filename (cmd);
|
|
|
1609 filename = alloca (strlen (cmd)+6);
|
|
|
1610 strcpy (filename, "file:");
|
|
|
1611 strcat (filename, cmd);
|
|
259
|
1612 #endif
|
|
282
|
1613 GCPRO2 (emacs_event, l_dndlist);
|
|
|
1614 l_dndlist = make_string (filename, strlen (filename));
|
|
249
|
1615
|
|
284
|
1616 /* Find a mswindows frame */
|
|
249
|
1617 event->channel = Qnil;
|
|
284
|
1618 FRAME_LOOP_NO_BREAK (frmcons, devcons, concons)
|
|
|
1619 {
|
|
|
1620 Lisp_Object frame = XCAR (frmcons);
|
|
|
1621 if (FRAME_TYPE_P (XFRAME (frame), mswindows))
|
|
|
1622 event->channel = frame;
|
|
|
1623 };
|
|
|
1624 assert (!NILP (event->channel));
|
|
|
1625
|
|
249
|
1626 event->timestamp = GetTickCount();
|
|
282
|
1627 event->event_type = misc_user_event;
|
|
|
1628 event->event.misc.button = 1;
|
|
|
1629 event->event.misc.modifiers = 0;
|
|
|
1630 event->event.misc.x = -1;
|
|
|
1631 event->event.misc.y = -1;
|
|
|
1632 event->event.misc.function = Qdragdrop_drop_dispatch;
|
|
|
1633 event->event.misc.object = Fcons (Qdragdrop_URL,
|
|
|
1634 Fcons (l_dndlist, Qnil));
|
|
249
|
1635 mswindows_enqueue_dispatch_event (emacs_event);
|
|
282
|
1636 UNGCPRO;
|
|
249
|
1637 return (HDDEDATA) DDE_FACK;
|
|
|
1638 }
|
|
398
|
1639 DdeFreeDataHandle (hdata);
|
|
249
|
1640 return (HDDEDATA) DDE_FNOTPROCESSED;
|
|
282
|
1641
|
|
398
|
1642 default:
|
|
|
1643 return (HDDEDATA) NULL;
|
|
|
1644 }
|
|
249
|
1645 }
|
|
284
|
1646 #endif
|
|
249
|
1647
|
|
|
1648 /*
|
|
398
|
1649 * Helper to do repainting - repaints can happen both from the windows
|
|
|
1650 * procedure and from magic events
|
|
|
1651 */
|
|
404
|
1652 static void
|
|
398
|
1653 mswindows_handle_paint (struct frame *frame)
|
|
404
|
1654 {
|
|
|
1655 HWND hwnd = FRAME_MSWINDOWS_HANDLE (frame);
|
|
|
1656
|
|
|
1657 /* According to the docs we need to check GetUpdateRect() before
|
|
|
1658 actually doing a WM_PAINT */
|
|
|
1659 if (GetUpdateRect (hwnd, NULL, FALSE))
|
|
|
1660 {
|
|
|
1661 PAINTSTRUCT paintStruct;
|
|
|
1662 int x, y, width, height;
|
|
|
1663
|
|
|
1664 BeginPaint (hwnd, &paintStruct);
|
|
|
1665 x = paintStruct.rcPaint.left;
|
|
|
1666 y = paintStruct.rcPaint.top;
|
|
|
1667 width = paintStruct.rcPaint.right - paintStruct.rcPaint.left;
|
|
|
1668 height = paintStruct.rcPaint.bottom - paintStruct.rcPaint.top;
|
|
|
1669 /* Normally we want to ignore expose events when child
|
|
|
1670 windows are unmapped, however once we are in the guts of
|
|
|
1671 WM_PAINT we need to make sure that we don't register
|
|
|
1672 unmaps then because they will not actually occur. */
|
|
408
|
1673 /* #### commenting out the next line seems to fix some problems
|
|
|
1674 but not all. only andy currently understands this stuff and
|
|
|
1675 he needs to review it more carefully. --ben */
|
|
404
|
1676 if (!check_for_ignored_expose (frame, x, y, width, height))
|
|
|
1677 {
|
|
|
1678 hold_ignored_expose_registration = 1;
|
|
|
1679 mswindows_redraw_exposed_area (frame, x, y, width, height);
|
|
|
1680 hold_ignored_expose_registration = 0;
|
|
|
1681 }
|
|
|
1682 EndPaint (hwnd, &paintStruct);
|
|
|
1683 }
|
|
|
1684 }
|
|
398
|
1685
|
|
|
1686 /*
|
|
|
1687 * Returns 1 if a key is a real modifier or special key, which
|
|
|
1688 * is better handled by DefWindowProc
|
|
|
1689 */
|
|
|
1690 static int
|
|
|
1691 key_needs_default_processing_p (UINT vkey)
|
|
|
1692 {
|
|
408
|
1693 if (mswindows_alt_by_itself_activates_menu && vkey == VK_MENU
|
|
|
1694 /* if we let ALT activate the menu like this, then sticky ALT-modified
|
|
|
1695 keystrokes become impossible. */
|
|
|
1696 && !modifier_keys_are_sticky)
|
|
398
|
1697 return 1;
|
|
|
1698
|
|
|
1699 return 0;
|
|
|
1700 }
|
|
|
1701
|
|
408
|
1702 /* key-handling code is always ugly. It just ends up working out
|
|
|
1703 that way.
|
|
|
1704
|
|
|
1705 #### Most of the sticky-modifier code below is copied from similar
|
|
|
1706 code in event-Xt.c. They should somehow or other be merged.
|
|
|
1707
|
|
|
1708 Here are some pointers:
|
|
|
1709
|
|
|
1710 -- DOWN_MASK indicates which modifiers should be treated as "down"
|
|
|
1711 when the corresponding upstroke happens. It gets reset for
|
|
|
1712 a particular modifier when that modifier goes up, and reset
|
|
|
1713 for all modifiers when a non-modifier key is pressed. Example:
|
|
|
1714
|
|
|
1715 I press Control-A-Shift and then release Control-A-Shift.
|
|
|
1716 I want the Shift key to be sticky but not the Control key.
|
|
|
1717
|
|
|
1718 -- If a modifier key is sticky, I can unstick it by pressing
|
|
|
1719 the modifier key again. */
|
|
|
1720
|
|
|
1721 static WPARAM last_downkey;
|
|
|
1722 static int need_to_add_mask, down_mask;
|
|
|
1723
|
|
|
1724 #define XEMSW_LCONTROL (1<<0)
|
|
|
1725 #define XEMSW_RCONTROL (1<<1)
|
|
|
1726 #define XEMSW_LSHIFT (1<<2)
|
|
|
1727 #define XEMSW_RSHIFT (1<<3)
|
|
|
1728 #define XEMSW_LMENU (1<<4)
|
|
|
1729 #define XEMSW_RMENU (1<<5)
|
|
|
1730
|
|
|
1731 static int
|
|
|
1732 mswindows_handle_sticky_modifiers (WPARAM wParam, LPARAM lParam,
|
|
|
1733 int downp, int keyp)
|
|
|
1734 {
|
|
|
1735 int mods = 0;
|
|
|
1736
|
|
|
1737 if (!modifier_keys_are_sticky) /* Optimize for non-sticky modifiers */
|
|
|
1738 return 0;
|
|
|
1739
|
|
|
1740 if (! (keyp &&
|
|
|
1741 (wParam == VK_CONTROL || wParam == VK_LCONTROL ||
|
|
|
1742 wParam == VK_RCONTROL ||
|
|
|
1743 wParam == VK_MENU || wParam == VK_LMENU ||
|
|
|
1744 wParam == VK_RMENU ||
|
|
|
1745 wParam == VK_SHIFT || wParam == VK_LSHIFT ||
|
|
|
1746 wParam == VK_RSHIFT)))
|
|
|
1747 { /* Not a modifier key */
|
|
|
1748 if (downp && keyp && !last_downkey)
|
|
|
1749 last_downkey = wParam;
|
|
|
1750 /* If I hold press-and-release the Control key and then press
|
|
|
1751 and hold down the right arrow, I want it to auto-repeat
|
|
|
1752 Control-Right. On the other hand, if I do the same but
|
|
|
1753 manually press the Right arrow a bunch of times, I want
|
|
|
1754 to see one Control-Right and then a bunch of Rights.
|
|
|
1755 This means that we need to distinguish between an
|
|
|
1756 auto-repeated key and a key pressed and released a bunch
|
|
|
1757 of times. */
|
|
|
1758 else if (downp && !keyp ||
|
|
|
1759 (downp && keyp && last_downkey &&
|
|
|
1760 (wParam != last_downkey ||
|
|
|
1761 /* the "previous key state" bit indicates autorepeat */
|
|
|
1762 ! (lParam & (1 << 30)))))
|
|
|
1763 {
|
|
|
1764 need_to_add_mask = 0;
|
|
|
1765 last_downkey = 0;
|
|
|
1766 }
|
|
|
1767 if (downp)
|
|
|
1768 down_mask = 0;
|
|
|
1769
|
|
|
1770 mods = need_to_add_mask;
|
|
|
1771 }
|
|
|
1772 else /* Modifier key pressed */
|
|
|
1773 {
|
|
|
1774 /* If a non-modifier key was pressed in the middle of a bunch
|
|
|
1775 of modifiers, then it unsticks all the modifiers that were
|
|
|
1776 previously pressed. We cannot unstick the modifiers until
|
|
|
1777 now because we want to check for auto-repeat of the
|
|
|
1778 non-modifier key. */
|
|
|
1779
|
|
|
1780 if (last_downkey)
|
|
|
1781 {
|
|
|
1782 last_downkey = 0;
|
|
|
1783 need_to_add_mask = 0;
|
|
|
1784 }
|
|
|
1785
|
|
|
1786 #define FROB(mask) \
|
|
|
1787 do { \
|
|
|
1788 if (downp && keyp) \
|
|
|
1789 { \
|
|
|
1790 /* If modifier key is already sticky, \
|
|
|
1791 then unstick it. Note that we do \
|
|
|
1792 not test down_mask to deal with the \
|
|
|
1793 unlikely but possible case that the \
|
|
|
1794 modifier key auto-repeats. */ \
|
|
|
1795 if (need_to_add_mask & mask) \
|
|
|
1796 { \
|
|
|
1797 need_to_add_mask &= ~mask; \
|
|
|
1798 down_mask &= ~mask; \
|
|
|
1799 } \
|
|
|
1800 else \
|
|
|
1801 down_mask |= mask; \
|
|
|
1802 } \
|
|
|
1803 else \
|
|
|
1804 { \
|
|
|
1805 if (down_mask & mask) \
|
|
|
1806 { \
|
|
|
1807 down_mask &= ~mask; \
|
|
|
1808 need_to_add_mask |= mask; \
|
|
|
1809 } \
|
|
|
1810 } \
|
|
|
1811 } while (0)
|
|
|
1812
|
|
|
1813 if (wParam == VK_CONTROL && (lParam & 0x1000000)
|
|
|
1814 || wParam == VK_RCONTROL)
|
|
|
1815 FROB (XEMSW_RCONTROL);
|
|
|
1816 if (wParam == VK_CONTROL && !(lParam & 0x1000000)
|
|
|
1817 || wParam == VK_LCONTROL)
|
|
|
1818 FROB (XEMSW_LCONTROL);
|
|
|
1819
|
|
|
1820 if (wParam == VK_SHIFT && (lParam & 0x1000000)
|
|
|
1821 || wParam == VK_RSHIFT)
|
|
|
1822 FROB (XEMSW_RSHIFT);
|
|
|
1823 if (wParam == VK_SHIFT && !(lParam & 0x1000000)
|
|
|
1824 || wParam == VK_LSHIFT)
|
|
|
1825 FROB (XEMSW_LSHIFT);
|
|
|
1826
|
|
|
1827 if (wParam == VK_MENU && (lParam & 0x1000000)
|
|
|
1828 || wParam == VK_RMENU)
|
|
|
1829 FROB (XEMSW_RMENU);
|
|
|
1830 if (wParam == VK_MENU && !(lParam & 0x1000000)
|
|
|
1831 || wParam == VK_LMENU)
|
|
|
1832 FROB (XEMSW_LMENU);
|
|
|
1833 }
|
|
|
1834 #undef FROB
|
|
|
1835
|
|
|
1836 if (mods && downp)
|
|
|
1837 {
|
|
|
1838 BYTE keymap[256];
|
|
|
1839
|
|
|
1840 GetKeyboardState (keymap);
|
|
|
1841
|
|
|
1842 if (mods & XEMSW_LCONTROL)
|
|
|
1843 {
|
|
|
1844 keymap [VK_CONTROL] |= 0x80;
|
|
|
1845 keymap [VK_LCONTROL] |= 0x80;
|
|
|
1846 }
|
|
|
1847 if (mods & XEMSW_RCONTROL)
|
|
|
1848 {
|
|
|
1849 keymap [VK_CONTROL] |= 0x80;
|
|
|
1850 keymap [VK_RCONTROL] |= 0x80;
|
|
|
1851 }
|
|
|
1852
|
|
|
1853 if (mods & XEMSW_LSHIFT)
|
|
|
1854 {
|
|
|
1855 keymap [VK_SHIFT] |= 0x80;
|
|
|
1856 keymap [VK_LSHIFT] |= 0x80;
|
|
|
1857 }
|
|
|
1858 if (mods & XEMSW_RSHIFT)
|
|
|
1859 {
|
|
|
1860 keymap [VK_SHIFT] |= 0x80;
|
|
|
1861 keymap [VK_RSHIFT] |= 0x80;
|
|
|
1862 }
|
|
|
1863
|
|
|
1864 if (mods & XEMSW_LMENU)
|
|
|
1865 {
|
|
|
1866 keymap [VK_MENU] |= 0x80;
|
|
|
1867 keymap [VK_LMENU] |= 0x80;
|
|
|
1868 }
|
|
|
1869 if (mods & XEMSW_RMENU)
|
|
|
1870 {
|
|
|
1871 keymap [VK_MENU] |= 0x80;
|
|
|
1872 keymap [VK_RMENU] |= 0x80;
|
|
|
1873 }
|
|
|
1874
|
|
|
1875 SetKeyboardState (keymap);
|
|
|
1876 return 1;
|
|
|
1877 }
|
|
|
1878
|
|
|
1879 return 0;
|
|
|
1880 }
|
|
|
1881
|
|
|
1882 static void
|
|
|
1883 clear_sticky_modifiers (void)
|
|
|
1884 {
|
|
|
1885 need_to_add_mask = 0;
|
|
|
1886 last_downkey = 0;
|
|
|
1887 down_mask = 0;
|
|
|
1888 }
|
|
|
1889
|
|
|
1890 #ifdef DEBUG_XEMACS
|
|
|
1891
|
|
|
1892 static void
|
|
|
1893 output_modifier_keyboard_state (void)
|
|
|
1894 {
|
|
|
1895 BYTE keymap[256];
|
|
|
1896
|
|
|
1897 GetKeyboardState (keymap);
|
|
|
1898
|
|
|
1899 stderr_out ("GetKeyboardState VK_MENU %d %d VK_LMENU %d %d VK_RMENU %d %d\n",
|
|
|
1900 keymap[VK_MENU] & 0x80 ? 1 : 0,
|
|
|
1901 keymap[VK_MENU] & 0x1 ? 1 : 0,
|
|
|
1902 keymap[VK_LMENU] & 0x80 ? 1 : 0,
|
|
|
1903 keymap[VK_LMENU] & 0x1 ? 1 : 0,
|
|
|
1904 keymap[VK_RMENU] & 0x80 ? 1 : 0,
|
|
|
1905 keymap[VK_RMENU] & 0x1 ? 1 : 0);
|
|
|
1906 stderr_out ("GetKeyboardState VK_CONTROL %d %d VK_LCONTROL %d %d VK_RCONTROL %d %d\n",
|
|
|
1907 keymap[VK_CONTROL] & 0x80 ? 1 : 0,
|
|
|
1908 keymap[VK_CONTROL] & 0x1 ? 1 : 0,
|
|
|
1909 keymap[VK_LCONTROL] & 0x80 ? 1 : 0,
|
|
|
1910 keymap[VK_LCONTROL] & 0x1 ? 1 : 0,
|
|
|
1911 keymap[VK_RCONTROL] & 0x80 ? 1 : 0,
|
|
|
1912 keymap[VK_RCONTROL] & 0x1 ? 1 : 0);
|
|
|
1913 stderr_out ("GetKeyboardState VK_SHIFT %d %d VK_LSHIFT %d %d VK_RSHIFT %d %d\n",
|
|
|
1914 keymap[VK_SHIFT] & 0x80 ? 1 : 0,
|
|
|
1915 keymap[VK_SHIFT] & 0x1 ? 1 : 0,
|
|
|
1916 keymap[VK_LSHIFT] & 0x80 ? 1 : 0,
|
|
|
1917 keymap[VK_LSHIFT] & 0x1 ? 1 : 0,
|
|
|
1918 keymap[VK_RSHIFT] & 0x80 ? 1 : 0,
|
|
|
1919 keymap[VK_RSHIFT] & 0x1 ? 1 : 0);
|
|
|
1920 }
|
|
|
1921
|
|
|
1922 /* try to debug the stuck-alt-key problem.
|
|
|
1923
|
|
|
1924 #### this happens only inconsistently, and may only happen when using
|
|
|
1925 StickyKeys in the Win2000 accessibility section of the control panel,
|
|
|
1926 which is extremely broken for other reasons. */
|
|
|
1927
|
|
|
1928 static void
|
|
|
1929 output_alt_keyboard_state (void)
|
|
|
1930 {
|
|
|
1931 BYTE keymap[256];
|
|
|
1932 SHORT keystate[3];
|
|
|
1933 // SHORT asyncstate[3];
|
|
|
1934
|
|
|
1935 GetKeyboardState (keymap);
|
|
|
1936 keystate[0] = GetKeyState (VK_MENU);
|
|
|
1937 keystate[1] = GetKeyState (VK_LMENU);
|
|
|
1938 keystate[2] = GetKeyState (VK_RMENU);
|
|
|
1939 /* Doing this interferes with key processing. */
|
|
|
1940 /* asyncstate[0] = GetAsyncKeyState (VK_MENU); */
|
|
|
1941 /* asyncstate[1] = GetAsyncKeyState (VK_LMENU); */
|
|
|
1942 /* asyncstate[2] = GetAsyncKeyState (VK_RMENU); */
|
|
|
1943
|
|
|
1944 stderr_out ("GetKeyboardState VK_MENU %d %d VK_LMENU %d %d VK_RMENU %d %d\n",
|
|
|
1945 keymap[VK_MENU] & 0x80 ? 1 : 0,
|
|
|
1946 keymap[VK_MENU] & 0x1 ? 1 : 0,
|
|
|
1947 keymap[VK_LMENU] & 0x80 ? 1 : 0,
|
|
|
1948 keymap[VK_LMENU] & 0x1 ? 1 : 0,
|
|
|
1949 keymap[VK_RMENU] & 0x80 ? 1 : 0,
|
|
|
1950 keymap[VK_RMENU] & 0x1 ? 1 : 0);
|
|
|
1951 stderr_out ("GetKeyState VK_MENU %d %d VK_LMENU %d %d VK_RMENU %d %d\n",
|
|
|
1952 keystate[0] & 0x8000 ? 1 : 0,
|
|
|
1953 keystate[0] & 0x1 ? 1 : 0,
|
|
|
1954 keystate[1] & 0x8000 ? 1 : 0,
|
|
|
1955 keystate[1] & 0x1 ? 1 : 0,
|
|
|
1956 keystate[2] & 0x8000 ? 1 : 0,
|
|
|
1957 keystate[2] & 0x1 ? 1 : 0);
|
|
|
1958 /* stderr_out ("GetAsyncKeyState VK_MENU %d %d VK_LMENU %d %d VK_RMENU %d %d\n", */
|
|
|
1959 /* asyncstate[0] & 0x8000 ? 1 : 0, */
|
|
|
1960 /* asyncstate[0] & 0x1 ? 1 : 0, */
|
|
|
1961 /* asyncstate[1] & 0x8000 ? 1 : 0, */
|
|
|
1962 /* asyncstate[1] & 0x1 ? 1 : 0, */
|
|
|
1963 /* asyncstate[2] & 0x8000 ? 1 : 0, */
|
|
|
1964 /* asyncstate[2] & 0x1 ? 1 : 0); */
|
|
|
1965 }
|
|
|
1966
|
|
|
1967 #endif /* DEBUG_XEMACS */
|
|
|
1968
|
|
|
1969
|
|
398
|
1970 /*
|
|
249
|
1971 * The windows procedure for the window class XEMACS_CLASS
|
|
|
1972 */
|
|
|
1973 LRESULT WINAPI
|
|
408
|
1974 mswindows_wnd_proc (HWND hwnd, UINT message, WPARAM wParam, LPARAM lParam)
|
|
249
|
1975 {
|
|
380
|
1976 /* Note: Remember to initialize emacs_event and event before use.
|
|
249
|
1977 This code calls code that can GC. You must GCPRO before calling such code. */
|
|
|
1978 Lisp_Object emacs_event = Qnil;
|
|
|
1979 Lisp_Object fobj = Qnil;
|
|
|
1980
|
|
398
|
1981 Lisp_Event *event;
|
|
249
|
1982 struct frame *frame;
|
|
|
1983 struct mswindows_frame* msframe;
|
|
|
1984
|
|
404
|
1985 assert (!GetWindowLong (hwnd, GWL_USERDATA));
|
|
249
|
1986 switch (message)
|
|
|
1987 {
|
|
404
|
1988 case WM_DESTROYCLIPBOARD:
|
|
|
1989 /* We own the clipboard and someone else wants it. Delete our
|
|
|
1990 cached copy of the clipboard contents so we'll ask for it from
|
|
|
1991 Windows again when someone does a paste. */
|
|
|
1992 handle_selection_clear(QCLIPBOARD);
|
|
|
1993 break;
|
|
|
1994
|
|
|
1995 case WM_ERASEBKGND:
|
|
|
1996 /* Erase background only during non-dynamic sizing */
|
|
|
1997 msframe = FRAME_MSWINDOWS_DATA (XFRAME (mswindows_find_frame (hwnd)));
|
|
|
1998 if (msframe->sizing && !mswindows_dynamic_frame_resize)
|
|
|
1999 goto defproc;
|
|
|
2000 return 1;
|
|
|
2001
|
|
|
2002 case WM_CLOSE:
|
|
|
2003 fobj = mswindows_find_frame (hwnd);
|
|
|
2004 mswindows_enqueue_misc_user_event (fobj, Qeval, list3 (Qdelete_frame, fobj, Qt));
|
|
398
|
2005 break;
|
|
249
|
2006
|
|
404
|
2007 case WM_KEYUP:
|
|
|
2008 case WM_SYSKEYUP:
|
|
408
|
2009
|
|
404
|
2010 /* See Win95 comment under WM_KEYDOWN */
|
|
249
|
2011 {
|
|
404
|
2012 BYTE keymap[256];
|
|
|
2013 int should_set_keymap = 0;
|
|
|
2014
|
|
408
|
2015 #ifdef DEBUG_XEMACS
|
|
|
2016 if (mswindows_debug_events)
|
|
|
2017 {
|
|
|
2018 stderr_out ("%s wparam=%d lparam=%d\n",
|
|
|
2019 message == WM_KEYUP ? "WM_KEYUP" : "WM_SYSKEYUP",
|
|
|
2020 wParam, (int)lParam);
|
|
|
2021 output_alt_keyboard_state ();
|
|
|
2022 }
|
|
|
2023 #endif /* DEBUG_XEMACS */
|
|
|
2024
|
|
|
2025 mswindows_handle_sticky_modifiers (wParam, lParam, 0, 1);
|
|
404
|
2026 if (wParam == VK_CONTROL)
|
|
249
|
2027 {
|
|
404
|
2028 GetKeyboardState (keymap);
|
|
|
2029 keymap [(lParam & 0x1000000) ? VK_RCONTROL : VK_LCONTROL] &= ~0x80;
|
|
|
2030 should_set_keymap = 1;
|
|
249
|
2031 }
|
|
404
|
2032 else if (wParam == VK_MENU)
|
|
249
|
2033 {
|
|
404
|
2034 GetKeyboardState (keymap);
|
|
|
2035 keymap [(lParam & 0x1000000) ? VK_RMENU : VK_LMENU] &= ~0x80;
|
|
|
2036 should_set_keymap = 1;
|
|
249
|
2037 }
|
|
404
|
2038
|
|
408
|
2039 if (should_set_keymap)
|
|
|
2040 // && (message != WM_SYSKEYUP
|
|
|
2041 // || NILP (Vmenu_accelerator_enabled)))
|
|
404
|
2042 SetKeyboardState (keymap);
|
|
|
2043
|
|
249
|
2044 }
|
|
408
|
2045
|
|
404
|
2046 if (key_needs_default_processing_p (wParam))
|
|
|
2047 goto defproc;
|
|
|
2048 else
|
|
|
2049 break;
|
|
|
2050
|
|
|
2051 case WM_KEYDOWN:
|
|
|
2052 case WM_SYSKEYDOWN:
|
|
408
|
2053
|
|
404
|
2054 /* In some locales the right-hand Alt key is labelled AltGr. This key
|
|
|
2055 * should produce alternative charcaters when combined with another key.
|
|
|
2056 * eg on a German keyboard pressing AltGr+q should produce '@'.
|
|
|
2057 * AltGr generates exactly the same keystrokes as LCtrl+RAlt. But if
|
|
|
2058 * TranslateMessage() is called with *any* combination of Ctrl+Alt down,
|
|
|
2059 * it translates as if AltGr were down.
|
|
|
2060 * We get round this by removing all modifiers from the keymap before
|
|
|
2061 * calling TranslateMessage() unless AltGr is *really* down. */
|
|
249
|
2062 {
|
|
408
|
2063 BYTE keymap_trans[256];
|
|
|
2064 BYTE keymap_orig[256];
|
|
|
2065 BYTE keymap_sticky[256];
|
|
404
|
2066 int has_AltGr = mswindows_current_layout_has_AltGr ();
|
|
408
|
2067 int mods = 0;
|
|
404
|
2068 int extendedp = lParam & 0x1000000;
|
|
|
2069 Lisp_Object keysym;
|
|
408
|
2070 int sticky_changed;
|
|
|
2071
|
|
|
2072 #ifdef DEBUG_XEMACS
|
|
|
2073 if (mswindows_debug_events)
|
|
|
2074 {
|
|
|
2075 stderr_out ("%s wparam=%d lparam=%d\n",
|
|
|
2076 message == WM_KEYDOWN ? "WM_KEYDOWN" : "WM_SYSKEYDOWN",
|
|
|
2077 wParam, (int)lParam);
|
|
|
2078 output_alt_keyboard_state ();
|
|
|
2079 }
|
|
|
2080 #endif /* DEBUG_XEMACS */
|
|
|
2081
|
|
|
2082 GetKeyboardState (keymap_orig);
|
|
404
|
2083 frame = XFRAME (mswindows_find_frame (hwnd));
|
|
408
|
2084 if ((sticky_changed =
|
|
|
2085 mswindows_handle_sticky_modifiers (wParam, lParam, 1, 1)))
|
|
|
2086 {
|
|
|
2087 GetKeyboardState (keymap_sticky);
|
|
|
2088 if (keymap_sticky[VK_MENU] & 0x80)
|
|
|
2089 {
|
|
|
2090 message = WM_SYSKEYDOWN;
|
|
|
2091 /* We have to set the "context bit" so that the
|
|
|
2092 TranslateMessage() call below that generates the
|
|
|
2093 SYSCHAR message does its thing; see the documentation
|
|
|
2094 on WM_SYSKEYDOWN */
|
|
|
2095 lParam |= 1 << 29;
|
|
|
2096 }
|
|
|
2097 }
|
|
|
2098 else
|
|
|
2099 memcpy (keymap_sticky, keymap_orig, 256);
|
|
|
2100
|
|
|
2101 mods = mswindows_modifier_state (keymap_sticky, has_AltGr);
|
|
404
|
2102
|
|
|
2103 /* Handle non-printables */
|
|
|
2104 if (!NILP (keysym = mswindows_key_to_emacs_keysym (wParam, mods,
|
|
|
2105 extendedp)))
|
|
408
|
2106 {
|
|
|
2107 mswindows_enqueue_keypress_event (hwnd, keysym, mods);
|
|
|
2108 if (sticky_changed)
|
|
|
2109 SetKeyboardState (keymap_orig);
|
|
|
2110 }
|
|
404
|
2111 else /* Normal keys & modifiers */
|
|
249
|
2112 {
|
|
408
|
2113 Emchar quit_ch =
|
|
|
2114 CONSOLE_QUIT_CHAR (XCONSOLE (mswindows_find_console (hwnd)));
|
|
404
|
2115 POINT pnt = { LOWORD (GetMessagePos()), HIWORD (GetMessagePos()) };
|
|
|
2116 MSG msg, tranmsg;
|
|
|
2117 int potential_accelerator = 0;
|
|
|
2118 int got_accelerator = 0;
|
|
|
2119
|
|
|
2120 msg.hwnd = hwnd;
|
|
|
2121 msg.message = message;
|
|
|
2122 msg.wParam = wParam;
|
|
|
2123 msg.lParam = lParam;
|
|
|
2124 msg.time = GetMessageTime();
|
|
|
2125 msg.pt = pnt;
|
|
|
2126
|
|
|
2127 /* GetKeyboardState() does not work as documented on Win95. We have
|
|
|
2128 * to loosely track Left and Right modifiers on behalf of the OS,
|
|
|
2129 * without screwing up Windows NT which tracks them properly. */
|
|
|
2130 if (wParam == VK_CONTROL)
|
|
408
|
2131 {
|
|
|
2132 keymap_orig[extendedp ? VK_RCONTROL : VK_LCONTROL] |= 0x80;
|
|
|
2133 keymap_sticky[extendedp ? VK_RCONTROL : VK_LCONTROL] |= 0x80;
|
|
|
2134 }
|
|
404
|
2135 else if (wParam == VK_MENU)
|
|
408
|
2136 {
|
|
|
2137 keymap_orig[extendedp ? VK_RMENU : VK_LMENU] |= 0x80;
|
|
|
2138 keymap_sticky[extendedp ? VK_RMENU : VK_LMENU] |= 0x80;
|
|
|
2139 }
|
|
404
|
2140
|
|
|
2141 if (!NILP (Vmenu_accelerator_enabled) &&
|
|
|
2142 !(mods & XEMACS_MOD_SHIFT) && message == WM_SYSKEYDOWN)
|
|
|
2143 potential_accelerator = 1;
|
|
|
2144
|
|
|
2145 /* Remove shift modifier from an ascii character */
|
|
|
2146 mods &= ~XEMACS_MOD_SHIFT;
|
|
|
2147
|
|
408
|
2148 memcpy (keymap_trans, keymap_sticky, 256);
|
|
|
2149
|
|
404
|
2150 /* Clear control and alt modifiers unless AltGr is pressed */
|
|
408
|
2151 keymap_trans[VK_RCONTROL] = 0;
|
|
|
2152 keymap_trans[VK_LMENU] = 0;
|
|
|
2153 if (!has_AltGr || !(keymap_trans[VK_LCONTROL] & 0x80)
|
|
|
2154 || !(keymap_trans[VK_RMENU] & 0x80))
|
|
404
|
2155 {
|
|
408
|
2156 keymap_trans[VK_LCONTROL] = 0;
|
|
|
2157 keymap_trans[VK_CONTROL] = 0;
|
|
|
2158 keymap_trans[VK_RMENU] = 0;
|
|
|
2159 keymap_trans[VK_MENU] = 0;
|
|
404
|
2160 }
|
|
408
|
2161 SetKeyboardState (keymap_trans);
|
|
404
|
2162
|
|
|
2163 /* Maybe generate some WM_[SYS]CHARs in the queue */
|
|
|
2164 TranslateMessage (&msg);
|
|
|
2165
|
|
|
2166 while (PeekMessage (&tranmsg, hwnd, WM_CHAR, WM_CHAR, PM_REMOVE)
|
|
408
|
2167 || PeekMessage (&tranmsg, hwnd, WM_SYSCHAR, WM_SYSCHAR,
|
|
|
2168 PM_REMOVE))
|
|
404
|
2169 {
|
|
|
2170 int mods1 = mods;
|
|
|
2171 WPARAM ch = tranmsg.wParam;
|
|
|
2172
|
|
|
2173 /* If a quit char with no modifiers other than control and
|
|
|
2174 shift, then mark it with a fake modifier, which is removed
|
|
|
2175 upon dequeueing the event */
|
|
|
2176 /* #### This might also not withstand localization, if
|
|
|
2177 quit character is not a latin-1 symbol */
|
|
408
|
2178 if (((quit_ch < ' ' && (mods & XEMACS_MOD_CONTROL)
|
|
|
2179 && quit_ch + 'a' - 1 == ch)
|
|
|
2180 || (quit_ch >= ' ' && !(mods & XEMACS_MOD_CONTROL)
|
|
|
2181 && quit_ch == ch))
|
|
|
2182 && ((mods & ~(XEMACS_MOD_CONTROL | XEMACS_MOD_SHIFT))
|
|
|
2183 == 0))
|
|
404
|
2184 {
|
|
|
2185 mods1 |= FAKE_MOD_QUIT;
|
|
|
2186 ++mswindows_quit_chars_count;
|
|
|
2187 }
|
|
|
2188 else if (potential_accelerator && !got_accelerator &&
|
|
|
2189 msw_char_is_accelerator (frame, ch))
|
|
|
2190 {
|
|
|
2191 got_accelerator = 1;
|
|
|
2192 break;
|
|
|
2193 }
|
|
|
2194 mswindows_enqueue_keypress_event (hwnd, make_char (ch), mods1);
|
|
|
2195 } /* while */
|
|
408
|
2196
|
|
404
|
2197 /* This generates WM_SYSCHAR messages, which are interpreted
|
|
|
2198 by DefWindowProc as the menu selections. */
|
|
|
2199 if (got_accelerator)
|
|
|
2200 {
|
|
408
|
2201 SetKeyboardState (keymap_sticky);
|
|
404
|
2202 TranslateMessage (&msg);
|
|
408
|
2203 SetKeyboardState (keymap_orig);
|
|
404
|
2204 goto defproc;
|
|
|
2205 }
|
|
408
|
2206
|
|
|
2207 SetKeyboardState (keymap_orig);
|
|
404
|
2208 } /* else */
|
|
249
|
2209 }
|
|
408
|
2210
|
|
404
|
2211 if (key_needs_default_processing_p (wParam))
|
|
|
2212 goto defproc;
|
|
|
2213 else
|
|
|
2214 break;
|
|
|
2215
|
|
|
2216 case WM_MBUTTONDOWN:
|
|
|
2217 case WM_MBUTTONUP:
|
|
|
2218 /* Real middle mouse button has nothing to do with emulated one:
|
|
|
2219 if one wants to exercise fingers playing chords on the mouse,
|
|
|
2220 he is allowed to do that! */
|
|
|
2221 mswindows_enqueue_mouse_button_event (hwnd, message,
|
|
|
2222 MAKEPOINTS (lParam), GetMessageTime());
|
|
|
2223 break;
|
|
|
2224
|
|
|
2225 case WM_LBUTTONUP:
|
|
|
2226 msframe = FRAME_MSWINDOWS_DATA (XFRAME (mswindows_find_frame (hwnd)));
|
|
|
2227 msframe->last_click_time = GetMessageTime();
|
|
|
2228
|
|
|
2229 KillTimer (hwnd, BUTTON_2_TIMER_ID);
|
|
|
2230 msframe->button2_need_lbutton = 0;
|
|
|
2231 if (msframe->ignore_next_lbutton_up)
|
|
|
2232 {
|
|
|
2233 msframe->ignore_next_lbutton_up = 0;
|
|
|
2234 }
|
|
|
2235 else if (msframe->button2_is_down)
|
|
|
2236 {
|
|
|
2237 msframe->button2_is_down = 0;
|
|
|
2238 msframe->ignore_next_rbutton_up = 1;
|
|
|
2239 mswindows_enqueue_mouse_button_event (hwnd, WM_MBUTTONUP,
|
|
|
2240 MAKEPOINTS (lParam), GetMessageTime());
|
|
|
2241 }
|
|
|
2242 else
|
|
|
2243 {
|
|
|
2244 if (msframe->button2_need_rbutton)
|
|
|
2245 {
|
|
|
2246 msframe->button2_need_rbutton = 0;
|
|
|
2247 mswindows_enqueue_mouse_button_event (hwnd, WM_LBUTTONDOWN,
|
|
|
2248 MAKEPOINTS (lParam), GetMessageTime());
|
|
|
2249 }
|
|
|
2250 mswindows_enqueue_mouse_button_event (hwnd, WM_LBUTTONUP,
|
|
|
2251 MAKEPOINTS (lParam), GetMessageTime());
|
|
|
2252 }
|
|
|
2253 break;
|
|
|
2254
|
|
|
2255 case WM_RBUTTONUP:
|
|
|
2256 msframe = FRAME_MSWINDOWS_DATA (XFRAME (mswindows_find_frame (hwnd)));
|
|
|
2257 msframe->last_click_time = GetMessageTime();
|
|
|
2258
|
|
|
2259 KillTimer (hwnd, BUTTON_2_TIMER_ID);
|
|
|
2260 msframe->button2_need_rbutton = 0;
|
|
|
2261 if (msframe->ignore_next_rbutton_up)
|
|
|
2262 {
|
|
|
2263 msframe->ignore_next_rbutton_up = 0;
|
|
|
2264 }
|
|
|
2265 else if (msframe->button2_is_down)
|
|
|
2266 {
|
|
|
2267 msframe->button2_is_down = 0;
|
|
|
2268 msframe->ignore_next_lbutton_up = 1;
|
|
|
2269 mswindows_enqueue_mouse_button_event (hwnd, WM_MBUTTONUP,
|
|
|
2270 MAKEPOINTS (lParam), GetMessageTime());
|
|
|
2271 }
|
|
|
2272 else
|
|
|
2273 {
|
|
|
2274 if (msframe->button2_need_lbutton)
|
|
|
2275 {
|
|
|
2276 msframe->button2_need_lbutton = 0;
|
|
|
2277 mswindows_enqueue_mouse_button_event (hwnd, WM_RBUTTONDOWN,
|
|
|
2278 MAKEPOINTS (lParam), GetMessageTime());
|
|
|
2279 }
|
|
|
2280 mswindows_enqueue_mouse_button_event (hwnd, WM_RBUTTONUP,
|
|
|
2281 MAKEPOINTS (lParam), GetMessageTime());
|
|
|
2282 }
|
|
|
2283 break;
|
|
|
2284
|
|
|
2285 case WM_LBUTTONDOWN:
|
|
|
2286 msframe = FRAME_MSWINDOWS_DATA (XFRAME (mswindows_find_frame (hwnd)));
|
|
|
2287
|
|
|
2288 if (msframe->button2_need_lbutton)
|
|
249
|
2289 {
|
|
|
2290 KillTimer (hwnd, BUTTON_2_TIMER_ID);
|
|
404
|
2291 msframe->button2_need_lbutton = 0;
|
|
|
2292 msframe->button2_need_rbutton = 0;
|
|
|
2293 if (mswindows_button2_near_enough (msframe->last_click_point, MAKEPOINTS (lParam)))
|
|
|
2294 {
|
|
|
2295 mswindows_enqueue_mouse_button_event (hwnd, WM_MBUTTONDOWN,
|
|
|
2296 MAKEPOINTS (lParam), GetMessageTime());
|
|
|
2297 msframe->button2_is_down = 1;
|
|
|
2298 }
|
|
|
2299 else
|
|
|
2300 {
|
|
|
2301 mswindows_enqueue_mouse_button_event (hwnd, WM_RBUTTONDOWN,
|
|
|
2302 msframe->last_click_point, msframe->last_click_time);
|
|
|
2303 mswindows_enqueue_mouse_button_event (hwnd, WM_LBUTTONDOWN,
|
|
|
2304 MAKEPOINTS (lParam), GetMessageTime());
|
|
|
2305 }
|
|
249
|
2306 }
|
|
404
|
2307 else
|
|
278
|
2308 {
|
|
404
|
2309 mswindows_set_chord_timer (hwnd);
|
|
|
2310 msframe->button2_need_rbutton = 1;
|
|
|
2311 msframe->last_click_point = MAKEPOINTS (lParam);
|
|
398
|
2312 }
|
|
404
|
2313 msframe->last_click_time = GetMessageTime();
|
|
|
2314 break;
|
|
|
2315
|
|
|
2316 case WM_RBUTTONDOWN:
|
|
|
2317 msframe = FRAME_MSWINDOWS_DATA (XFRAME (mswindows_find_frame (hwnd)));
|
|
|
2318
|
|
|
2319 if (msframe->button2_need_rbutton)
|
|
398
|
2320 {
|
|
404
|
2321 KillTimer (hwnd, BUTTON_2_TIMER_ID);
|
|
|
2322 msframe->button2_need_lbutton = 0;
|
|
|
2323 msframe->button2_need_rbutton = 0;
|
|
|
2324 if (mswindows_button2_near_enough (msframe->last_click_point, MAKEPOINTS (lParam)))
|
|
|
2325 {
|
|
|
2326 mswindows_enqueue_mouse_button_event (hwnd, WM_MBUTTONDOWN,
|
|
|
2327 MAKEPOINTS (lParam), GetMessageTime());
|
|
|
2328 msframe->button2_is_down = 1;
|
|
|
2329 }
|
|
|
2330 else
|
|
|
2331 {
|
|
|
2332 mswindows_enqueue_mouse_button_event (hwnd, WM_LBUTTONDOWN,
|
|
|
2333 msframe->last_click_point, msframe->last_click_time);
|
|
|
2334 mswindows_enqueue_mouse_button_event (hwnd, WM_RBUTTONDOWN,
|
|
|
2335 MAKEPOINTS (lParam), GetMessageTime());
|
|
|
2336 }
|
|
249
|
2337 }
|
|
|
2338 else
|
|
|
2339 {
|
|
404
|
2340 mswindows_set_chord_timer (hwnd);
|
|
|
2341 msframe->button2_need_lbutton = 1;
|
|
|
2342 msframe->last_click_point = MAKEPOINTS (lParam);
|
|
|
2343 }
|
|
|
2344 msframe->last_click_time = GetMessageTime();
|
|
|
2345 break;
|
|
|
2346
|
|
|
2347 case WM_TIMER:
|
|
|
2348 if (wParam == BUTTON_2_TIMER_ID)
|
|
|
2349 {
|
|
|
2350 msframe = FRAME_MSWINDOWS_DATA (XFRAME (mswindows_find_frame (hwnd)));
|
|
|
2351 KillTimer (hwnd, BUTTON_2_TIMER_ID);
|
|
|
2352
|
|
|
2353 if (msframe->button2_need_lbutton)
|
|
|
2354 {
|
|
|
2355 msframe->button2_need_lbutton = 0;
|
|
|
2356 mswindows_enqueue_mouse_button_event (hwnd, WM_RBUTTONDOWN,
|
|
|
2357 msframe->last_click_point, msframe->last_click_time);
|
|
|
2358 }
|
|
|
2359 else if (msframe->button2_need_rbutton)
|
|
|
2360 {
|
|
|
2361 msframe->button2_need_rbutton = 0;
|
|
|
2362 mswindows_enqueue_mouse_button_event (hwnd, WM_LBUTTONDOWN,
|
|
|
2363 msframe->last_click_point, msframe->last_click_time);
|
|
|
2364 }
|
|
|
2365 }
|
|
|
2366 else
|
|
|
2367 assert ("Spurious timer fired" == 0);
|
|
|
2368 break;
|
|
|
2369
|
|
|
2370 case WM_MOUSEMOVE:
|
|
|
2371 /* Optimization: don't report mouse movement while size is changing */
|
|
|
2372 msframe = FRAME_MSWINDOWS_DATA (XFRAME (mswindows_find_frame (hwnd)));
|
|
|
2373 if (!msframe->sizing)
|
|
|
2374 {
|
|
|
2375 /* When waiting for the second mouse button to finish
|
|
|
2376 button2 emulation, and have moved too far, just pretend
|
|
|
2377 as if timer has expired. This improves drag-select feedback */
|
|
|
2378 if ((msframe->button2_need_lbutton || msframe->button2_need_rbutton)
|
|
|
2379 && !mswindows_button2_near_enough (msframe->last_click_point,
|
|
|
2380 MAKEPOINTS (lParam)))
|
|
269
|
2381 {
|
|
404
|
2382 KillTimer (hwnd, BUTTON_2_TIMER_ID);
|
|
|
2383 SendMessage (hwnd, WM_TIMER, BUTTON_2_TIMER_ID, 0);
|
|
|
2384 }
|
|
|
2385
|
|
|
2386 emacs_event = Fmake_event (Qnil, Qnil);
|
|
|
2387 event = XEVENT(emacs_event);
|
|
|
2388
|
|
|
2389 event->channel = mswindows_find_frame(hwnd);
|
|
|
2390 event->timestamp = GetMessageTime();
|
|
|
2391 event->event_type = pointer_motion_event;
|
|
|
2392 event->event.motion.x = MAKEPOINTS(lParam).x;
|
|
|
2393 event->event.motion.y = MAKEPOINTS(lParam).y;
|
|
|
2394 event->event.motion.modifiers = mswindows_modifier_state (NULL, 0);
|
|
|
2395
|
|
|
2396 mswindows_enqueue_dispatch_event (emacs_event);
|
|
|
2397 }
|
|
|
2398 break;
|
|
|
2399
|
|
|
2400 case WM_CANCELMODE:
|
|
|
2401 ReleaseCapture ();
|
|
|
2402 /* Queue a `cancel-mode-internal' misc user event, so mouse
|
|
|
2403 selection would be canceled if any */
|
|
|
2404 mswindows_enqueue_misc_user_event (mswindows_find_frame (hwnd),
|
|
|
2405 Qcancel_mode_internal, Qnil);
|
|
|
2406 break;
|
|
|
2407
|
|
|
2408 case WM_NOTIFY:
|
|
|
2409 {
|
|
|
2410 LPNMHDR nmhdr = (LPNMHDR)lParam;
|
|
|
2411
|
|
|
2412 if (nmhdr->code == TTN_NEEDTEXT)
|
|
|
2413 {
|
|
|
2414 #ifdef HAVE_TOOLBARS
|
|
|
2415 LPTOOLTIPTEXT tttext = (LPTOOLTIPTEXT)lParam;
|
|
|
2416 Lisp_Object btext;
|
|
|
2417
|
|
|
2418 /* find out which toolbar */
|
|
|
2419 frame = XFRAME (mswindows_find_frame (hwnd));
|
|
|
2420 btext = mswindows_get_toolbar_button_text ( frame,
|
|
|
2421 nmhdr->idFrom );
|
|
|
2422
|
|
|
2423 tttext->lpszText = NULL;
|
|
|
2424 tttext->hinst = NULL;
|
|
|
2425
|
|
|
2426 if (!NILP(btext))
|
|
|
2427 {
|
|
|
2428 /* I think this is safe since the text will only go away
|
|
|
2429 when the toolbar does...*/
|
|
|
2430 TO_EXTERNAL_FORMAT (LISP_STRING, btext,
|
|
|
2431 C_STRING_ALLOCA, tttext->lpszText,
|
|
|
2432 Qnative);
|
|
|
2433 }
|
|
|
2434 #endif
|
|
|
2435 }
|
|
|
2436 /* handle tree view callbacks */
|
|
|
2437 else if (nmhdr->code == TVN_SELCHANGED)
|
|
|
2438 {
|
|
|
2439 NM_TREEVIEW* ptree = (NM_TREEVIEW*)lParam;
|
|
|
2440 frame = XFRAME (mswindows_find_frame (hwnd));
|
|
|
2441 mswindows_handle_gui_wm_command (frame, 0, ptree->itemNew.lParam);
|
|
|
2442 }
|
|
|
2443 /* handle tab control callbacks */
|
|
|
2444 else if (nmhdr->code == TCN_SELCHANGE)
|
|
|
2445 {
|
|
|
2446 TC_ITEM item;
|
|
|
2447 int idx = SendMessage (nmhdr->hwndFrom, TCM_GETCURSEL, 0, 0);
|
|
|
2448 frame = XFRAME (mswindows_find_frame (hwnd));
|
|
|
2449
|
|
|
2450 item.mask = TCIF_PARAM;
|
|
|
2451 SendMessage (nmhdr->hwndFrom, TCM_GETITEM, (WPARAM)idx,
|
|
|
2452 (LPARAM)&item);
|
|
|
2453
|
|
|
2454 mswindows_handle_gui_wm_command (frame, 0, item.lParam);
|
|
|
2455 }
|
|
|
2456 }
|
|
|
2457 break;
|
|
|
2458
|
|
|
2459 case WM_PAINT:
|
|
|
2460 /* hdc will be NULL unless this is a subwindow - in which case we
|
|
|
2461 shouldn't have received a paint message for it here. */
|
|
|
2462 assert (wParam == 0);
|
|
|
2463
|
|
|
2464 /* Can't queue a magic event because windows goes modal and sends paint
|
|
|
2465 messages directly to the windows procedure when doing solid drags
|
|
|
2466 and the message queue doesn't get processed. */
|
|
|
2467 mswindows_handle_paint (XFRAME (mswindows_find_frame (hwnd)));
|
|
|
2468 break;
|
|
|
2469
|
|
|
2470 case WM_SIZE:
|
|
|
2471 /* We only care about this message if our size has really changed */
|
|
|
2472 if (wParam==SIZE_RESTORED || wParam==SIZE_MAXIMIZED || wParam==SIZE_MINIMIZED)
|
|
|
2473 {
|
|
|
2474 RECT rect;
|
|
|
2475 int columns, rows;
|
|
|
2476
|
|
|
2477 fobj = mswindows_find_frame (hwnd);
|
|
|
2478 frame = XFRAME (fobj);
|
|
|
2479 msframe = FRAME_MSWINDOWS_DATA (frame);
|
|
|
2480
|
|
|
2481 /* We cannot handle frame map and unmap hooks right in
|
|
|
2482 this routine, because these may throw. We queue
|
|
|
2483 magic events to run these hooks instead - kkm */
|
|
|
2484
|
|
|
2485 if (wParam==SIZE_MINIMIZED)
|
|
|
2486 {
|
|
|
2487 /* Iconified */
|
|
|
2488 FRAME_VISIBLE_P (frame) = 0;
|
|
|
2489 mswindows_enqueue_magic_event (hwnd, XM_UNMAPFRAME);
|
|
269
|
2490 }
|
|
|
2491 else
|
|
|
2492 {
|
|
404
|
2493 GetClientRect(hwnd, &rect);
|
|
|
2494 FRAME_PIXWIDTH(frame) = rect.right;
|
|
|
2495 FRAME_PIXHEIGHT(frame) = rect.bottom;
|
|
|
2496
|
|
|
2497 pixel_to_real_char_size (frame, rect.right, rect.bottom,
|
|
|
2498 &FRAME_MSWINDOWS_CHARWIDTH (frame),
|
|
|
2499 &FRAME_MSWINDOWS_CHARHEIGHT (frame));
|
|
|
2500
|
|
|
2501 pixel_to_char_size (frame, rect.right, rect.bottom, &columns, &rows);
|
|
|
2502 change_frame_size (frame, rows, columns, 1);
|
|
|
2503
|
|
|
2504 /* If we are inside frame creation, we have to apply geometric
|
|
|
2505 properties now. */
|
|
|
2506 if (FRAME_MSWINDOWS_TARGET_RECT (frame))
|
|
|
2507 {
|
|
|
2508 /* Yes, we have to size again */
|
|
|
2509 mswindows_size_frame_internal ( frame,
|
|
|
2510 FRAME_MSWINDOWS_TARGET_RECT
|
|
|
2511 (frame));
|
|
|
2512 /* Reset so we do not get here again. The SetWindowPos call in
|
|
|
2513 * mswindows_size_frame_internal can cause recursion here. */
|
|
|
2514 if (FRAME_MSWINDOWS_TARGET_RECT (frame))
|
|
|
2515 {
|
|
|
2516 xfree (FRAME_MSWINDOWS_TARGET_RECT (frame));
|
|
|
2517 FRAME_MSWINDOWS_TARGET_RECT (frame) = 0;
|
|
|
2518 }
|
|
|
2519 }
|
|
|
2520 else
|
|
|
2521 {
|
|
|
2522 if (!msframe->sizing && !FRAME_VISIBLE_P (frame))
|
|
|
2523 mswindows_enqueue_magic_event (hwnd, XM_MAPFRAME);
|
|
|
2524 FRAME_VISIBLE_P (frame) = 1;
|
|
|
2525
|
|
|
2526 if (!msframe->sizing || mswindows_dynamic_frame_resize)
|
|
|
2527 redisplay ();
|
|
|
2528 }
|
|
269
|
2529 }
|
|
249
|
2530 }
|
|
404
|
2531 break;
|
|
|
2532
|
|
|
2533 case WM_DISPLAYCHANGE:
|
|
|
2534 {
|
|
|
2535 struct device *d;
|
|
|
2536
|
|
|
2537 fobj = mswindows_find_frame (hwnd);
|
|
|
2538 frame = XFRAME (fobj);
|
|
|
2539 d = XDEVICE (FRAME_DEVICE (frame));
|
|
|
2540
|
|
|
2541 DEVICE_MSWINDOWS_HORZRES(d) = LOWORD (lParam);
|
|
|
2542 DEVICE_MSWINDOWS_VERTRES(d) = HIWORD (lParam);
|
|
|
2543 DEVICE_MSWINDOWS_BITSPIXEL(d) = wParam;
|
|
|
2544 break;
|
|
|
2545 }
|
|
|
2546
|
|
|
2547 /* Misc magic events which only require that the frame be identified */
|
|
|
2548 case WM_SETFOCUS:
|
|
|
2549 case WM_KILLFOCUS:
|
|
|
2550 mswindows_enqueue_magic_event (hwnd, message);
|
|
|
2551 break;
|
|
|
2552
|
|
|
2553 case WM_WINDOWPOSCHANGING:
|
|
249
|
2554 {
|
|
404
|
2555 WINDOWPOS *wp = (LPWINDOWPOS) lParam;
|
|
|
2556 WINDOWPLACEMENT wpl = { sizeof(WINDOWPLACEMENT) };
|
|
|
2557 GetWindowPlacement(hwnd, &wpl);
|
|
|
2558
|
|
|
2559 /* Only interested if size is changing and we're not being iconified */
|
|
|
2560 if (wpl.showCmd != SW_SHOWMINIMIZED
|
|
|
2561 && wpl.showCmd != SW_SHOWMAXIMIZED
|
|
|
2562 && !(wp->flags & SWP_NOSIZE))
|
|
249
|
2563 {
|
|
404
|
2564 RECT ncsize = { 0, 0, 0, 0 };
|
|
|
2565 int pixwidth, pixheight;
|
|
|
2566 AdjustWindowRectEx (&ncsize, GetWindowLong (hwnd, GWL_STYLE),
|
|
|
2567 GetMenu(hwnd) != NULL,
|
|
|
2568 GetWindowLong (hwnd, GWL_EXSTYLE));
|
|
|
2569
|
|
|
2570 round_size_to_real_char (XFRAME (mswindows_find_frame (hwnd)),
|
|
|
2571 wp->cx - (ncsize.right - ncsize.left),
|
|
|
2572 wp->cy - (ncsize.bottom - ncsize.top),
|
|
|
2573 &pixwidth, &pixheight);
|
|
|
2574
|
|
|
2575 /* Convert client sizes to window sizes */
|
|
|
2576 pixwidth += (ncsize.right - ncsize.left);
|
|
|
2577 pixheight += (ncsize.bottom - ncsize.top);
|
|
|
2578
|
|
|
2579 if (wpl.showCmd != SW_SHOWMAXIMIZED)
|
|
|
2580 {
|
|
|
2581 /* Adjust so that the bottom or right doesn't move if it's
|
|
|
2582 * the top or left that's being changed */
|
|
|
2583 RECT rect;
|
|
|
2584 GetWindowRect (hwnd, &rect);
|
|
|
2585
|
|
|
2586 if (rect.left != wp->x)
|
|
|
2587 wp->x += wp->cx - pixwidth;
|
|
|
2588 if (rect.top != wp->y)
|
|
|
2589 wp->y += wp->cy - pixheight;
|
|
|
2590 }
|
|
|
2591
|
|
|
2592 wp->cx = pixwidth;
|
|
|
2593 wp->cy = pixheight;
|
|
249
|
2594 }
|
|
404
|
2595 /* DefWindowProc sends useful WM_GETMINMAXINFO message, and adjusts
|
|
|
2596 window position if the user tries to track window too small */
|
|
249
|
2597 }
|
|
404
|
2598 goto defproc;
|
|
|
2599
|
|
|
2600 case WM_ENTERSIZEMOVE:
|
|
|
2601 msframe = FRAME_MSWINDOWS_DATA (XFRAME (mswindows_find_frame (hwnd)));
|
|
|
2602 msframe->sizing = 1;
|
|
|
2603 return 0;
|
|
|
2604
|
|
|
2605 case WM_EXITSIZEMOVE:
|
|
|
2606 msframe = FRAME_MSWINDOWS_DATA (XFRAME (mswindows_find_frame (hwnd)));
|
|
|
2607 msframe->sizing = 0;
|
|
|
2608 /* Queue noop event */
|
|
|
2609 mswindows_enqueue_magic_event (NULL, XM_BUMPQUEUE);
|
|
|
2610 return 0;
|
|
249
|
2611
|
|
|
2612 #ifdef HAVE_SCROLLBARS
|
|
404
|
2613 case WM_VSCROLL:
|
|
|
2614 case WM_HSCROLL:
|
|
|
2615 {
|
|
|
2616 /* Direction of scroll is determined by scrollbar instance. */
|
|
|
2617 int code = (int) LOWORD(wParam);
|
|
|
2618 int pos = (short int) HIWORD(wParam);
|
|
|
2619 HWND hwndScrollBar = (HWND) lParam;
|
|
|
2620 struct gcpro gcpro1, gcpro2;
|
|
|
2621
|
|
|
2622 mswindows_handle_scrollbar_event (hwndScrollBar, code, pos);
|
|
|
2623 GCPRO2 (emacs_event, fobj);
|
|
|
2624 if (UNBOUNDP(mswindows_pump_outstanding_events())) /* Can GC */
|
|
|
2625 {
|
|
|
2626 /* Error during event pumping - cancel scroll */
|
|
|
2627 SendMessage (hwndScrollBar, WM_CANCELMODE, 0, 0);
|
|
|
2628 }
|
|
|
2629 UNGCPRO;
|
|
|
2630 break;
|
|
|
2631 }
|
|
|
2632
|
|
|
2633 case WM_MOUSEWHEEL:
|
|
|
2634 {
|
|
|
2635 int keys = LOWORD (wParam); /* Modifier key flags */
|
|
|
2636 int delta = (short) HIWORD (wParam); /* Wheel rotation amount */
|
|
|
2637 struct gcpro gcpro1, gcpro2;
|
|
|
2638
|
|
|
2639 if (mswindows_handle_mousewheel_event (mswindows_find_frame (hwnd), keys, delta))
|
|
|
2640 {
|
|
|
2641 GCPRO2 (emacs_event, fobj);
|
|
|
2642 mswindows_pump_outstanding_events (); /* Can GC */
|
|
|
2643 UNGCPRO;
|
|
|
2644 }
|
|
|
2645 else
|
|
|
2646 goto defproc;
|
|
|
2647 break;
|
|
|
2648 }
|
|
249
|
2649 #endif
|
|
|
2650
|
|
|
2651 #ifdef HAVE_MENUBARS
|
|
404
|
2652 case WM_INITMENU:
|
|
|
2653 if (UNBOUNDP (mswindows_handle_wm_initmenu (
|
|
|
2654 (HMENU) wParam,
|
|
|
2655 XFRAME (mswindows_find_frame (hwnd)))))
|
|
|
2656 SendMessage (hwnd, WM_CANCELMODE, 0, 0);
|
|
|
2657 break;
|
|
|
2658
|
|
|
2659 case WM_INITMENUPOPUP:
|
|
|
2660 if (!HIWORD(lParam))
|
|
|
2661 {
|
|
|
2662 if (UNBOUNDP (mswindows_handle_wm_initmenupopup (
|
|
|
2663 (HMENU) wParam,
|
|
|
2664 XFRAME (mswindows_find_frame (hwnd)))))
|
|
|
2665 SendMessage (hwnd, WM_CANCELMODE, 0, 0);
|
|
|
2666 }
|
|
|
2667 break;
|
|
249
|
2668
|
|
|
2669 #endif /* HAVE_MENUBARS */
|
|
|
2670
|
|
404
|
2671 case WM_COMMAND:
|
|
|
2672 {
|
|
|
2673 WORD id = LOWORD (wParam);
|
|
|
2674 WORD nid = HIWORD (wParam);
|
|
|
2675 HWND cid = (HWND)lParam;
|
|
|
2676 frame = XFRAME (mswindows_find_frame (hwnd));
|
|
249
|
2677
|
|
276
|
2678 #ifdef HAVE_TOOLBARS
|
|
404
|
2679 if (!NILP (mswindows_handle_toolbar_wm_command (frame, cid, id)))
|
|
|
2680 break;
|
|
276
|
2681 #endif
|
|
404
|
2682 /* widgets in a buffer only eval a callback for suitable events.*/
|
|
|
2683 switch (nid)
|
|
|
2684 {
|
|
|
2685 case BN_CLICKED:
|
|
|
2686 case EN_CHANGE:
|
|
|
2687 case CBN_EDITCHANGE:
|
|
|
2688 case CBN_SELCHANGE:
|
|
|
2689 if (!NILP (mswindows_handle_gui_wm_command (frame, cid, id)))
|
|
|
2690 return 0;
|
|
|
2691 }
|
|
|
2692 /* menubars always must come last since the hashtables do not
|
|
|
2693 always exist*/
|
|
249
|
2694 #ifdef HAVE_MENUBARS
|
|
404
|
2695 if (!NILP (mswindows_handle_wm_command (frame, id)))
|
|
|
2696 break;
|
|
249
|
2697 #endif
|
|
|
2698
|
|
404
|
2699 return DefWindowProc (hwnd, message, wParam, lParam);
|
|
|
2700 /* Bite me - a spurious command. This used to not be able to
|
|
|
2701 happen but with the introduction of widgets its now
|
|
|
2702 possible. */
|
|
|
2703 }
|
|
|
2704 break;
|
|
|
2705
|
|
|
2706 case WM_CTLCOLORBTN:
|
|
|
2707 case WM_CTLCOLORLISTBOX:
|
|
|
2708 case WM_CTLCOLOREDIT:
|
|
|
2709 case WM_CTLCOLORSTATIC:
|
|
|
2710 case WM_CTLCOLORSCROLLBAR:
|
|
|
2711 {
|
|
|
2712 /* if we get an opportunity to paint a widget then do so if
|
|
|
2713 there is an appropriate face */
|
|
|
2714 HWND crtlwnd = (HWND)lParam;
|
|
|
2715 LONG ii = GetWindowLong (crtlwnd, GWL_USERDATA);
|
|
|
2716 if (ii)
|
|
|
2717 {
|
|
|
2718 Lisp_Object image_instance;
|
|
|
2719 VOID_TO_LISP (image_instance, ii);
|
|
|
2720 if (IMAGE_INSTANCEP (image_instance)
|
|
|
2721 &&
|
|
|
2722 IMAGE_INSTANCE_TYPE_P (image_instance, IMAGE_WIDGET))
|
|
|
2723 {
|
|
|
2724 /* set colors for the buttons */
|
|
|
2725 HDC hdc = (HDC)wParam;
|
|
|
2726 if (last_widget_brushed != ii)
|
|
|
2727 {
|
|
|
2728 if (widget_brush)
|
|
|
2729 DeleteObject (widget_brush);
|
|
|
2730 widget_brush = CreateSolidBrush
|
|
|
2731 (COLOR_INSTANCE_MSWINDOWS_COLOR
|
|
|
2732 (XCOLOR_INSTANCE
|
|
|
2733 (FACE_BACKGROUND
|
|
|
2734 (XIMAGE_INSTANCE_WIDGET_FACE (image_instance),
|
|
408
|
2735 XIMAGE_INSTANCE_FRAME (image_instance)))));
|
|
404
|
2736 }
|
|
|
2737 last_widget_brushed = ii;
|
|
|
2738 SetTextColor
|
|
|
2739 (hdc,
|
|
|
2740 COLOR_INSTANCE_MSWINDOWS_COLOR
|
|
|
2741 (XCOLOR_INSTANCE
|
|
|
2742 (FACE_FOREGROUND
|
|
|
2743 (XIMAGE_INSTANCE_WIDGET_FACE (image_instance),
|
|
408
|
2744 XIMAGE_INSTANCE_FRAME (image_instance)))));
|
|
404
|
2745 SetBkMode (hdc, OPAQUE);
|
|
|
2746 SetBkColor
|
|
|
2747 (hdc,
|
|
|
2748 COLOR_INSTANCE_MSWINDOWS_COLOR
|
|
|
2749 (XCOLOR_INSTANCE
|
|
|
2750 (FACE_BACKGROUND
|
|
|
2751 (XIMAGE_INSTANCE_WIDGET_FACE (image_instance),
|
|
408
|
2752 XIMAGE_INSTANCE_FRAME (image_instance)))));
|
|
404
|
2753 return (LRESULT)widget_brush;
|
|
|
2754 }
|
|
|
2755 }
|
|
|
2756 }
|
|
|
2757 goto defproc;
|
|
384
|
2758
|
|
284
|
2759 #ifdef HAVE_DRAGNDROP
|
|
404
|
2760 case WM_DROPFILES: /* implementation ripped-off from event-Xt.c */
|
|
|
2761 {
|
|
|
2762 UINT filecount, i, len;
|
|
|
2763 POINT point;
|
|
|
2764 char* filename;
|
|
|
2765 char* fname;
|
|
|
2766
|
|
|
2767 Lisp_Object l_dndlist = Qnil, l_item = Qnil;
|
|
|
2768 struct gcpro gcpro1, gcpro2, gcpro3;
|
|
|
2769
|
|
|
2770 emacs_event = Fmake_event (Qnil, Qnil);
|
|
|
2771 event = XEVENT(emacs_event);
|
|
|
2772
|
|
|
2773 GCPRO3 (emacs_event, l_dndlist, l_item);
|
|
|
2774
|
|
|
2775 if (!DragQueryPoint ((HDROP) wParam, &point))
|
|
|
2776 point.x = point.y = -1; /* outside client area */
|
|
|
2777
|
|
|
2778 event->event_type = misc_user_event;
|
|
|
2779 event->channel = mswindows_find_frame(hwnd);
|
|
|
2780 event->timestamp = GetMessageTime();
|
|
|
2781 event->event.misc.button = 1; /* #### Should try harder */
|
|
|
2782 event->event.misc.modifiers = mswindows_modifier_state (NULL, 0);
|
|
|
2783 event->event.misc.x = point.x;
|
|
|
2784 event->event.misc.y = point.y;
|
|
|
2785 event->event.misc.function = Qdragdrop_drop_dispatch;
|
|
|
2786
|
|
|
2787 filecount = DragQueryFile ((HDROP) wParam, 0xffffffff, NULL, 0);
|
|
|
2788 for (i=0; i<filecount; i++)
|
|
|
2789 {
|
|
|
2790 len = DragQueryFile ((HDROP) wParam, i, NULL, 0);
|
|
|
2791 /* The URLs that we make here aren't correct according to section
|
|
|
2792 * 3.10 of rfc1738 because they're missing the //<host>/ part and
|
|
|
2793 * because they may contain reserved characters. But that's OK -
|
|
|
2794 * they just need to be good enough to keep dragdrop.el happy. */
|
|
|
2795 fname = (char *)xmalloc (len+1);
|
|
|
2796 DragQueryFile ((HANDLE) wParam, i, fname, len+1);
|
|
|
2797
|
|
|
2798 /* May be a shell link aka "shortcut" - replace fname if so */
|
|
|
2799 #if !(defined(__CYGWIN32__) || defined(__MINGW32__))
|
|
|
2800 /* cygwin doesn't define this COM stuff */
|
|
|
2801 if (!stricmp (fname + strlen (fname) - 4, ".LNK"))
|
|
|
2802 {
|
|
|
2803 IShellLink* psl;
|
|
|
2804
|
|
|
2805 if (CoCreateInstance (&CLSID_ShellLink, NULL,
|
|
|
2806 CLSCTX_INPROC_SERVER, &IID_IShellLink, &psl) == S_OK)
|
|
|
2807 {
|
|
|
2808 IPersistFile* ppf;
|
|
|
2809
|
|
|
2810 if (psl->lpVtbl->QueryInterface (psl, &IID_IPersistFile,
|
|
|
2811 &ppf) == S_OK)
|
|
|
2812 {
|
|
|
2813 WORD wsz[MAX_PATH];
|
|
|
2814 WIN32_FIND_DATA wfd;
|
|
|
2815 LPSTR resolved = (char *) xmalloc (MAX_PATH+1);
|
|
|
2816
|
|
|
2817 MultiByteToWideChar (CP_ACP,0, fname, -1, wsz, MAX_PATH);
|
|
|
2818
|
|
|
2819 if ((ppf->lpVtbl->Load (ppf, wsz, STGM_READ) == S_OK) &&
|
|
|
2820 (psl->lpVtbl->GetPath (psl, resolved, MAX_PATH,
|
|
|
2821 &wfd, 0)==S_OK))
|
|
|
2822 {
|
|
|
2823 xfree (fname);
|
|
|
2824 fname = resolved;
|
|
|
2825 len = strlen (fname);
|
|
|
2826 }
|
|
|
2827
|
|
|
2828 ppf->lpVtbl->Release (ppf);
|
|
|
2829 }
|
|
|
2830
|
|
|
2831 psl->lpVtbl->Release (psl);
|
|
|
2832 }
|
|
|
2833 }
|
|
259
|
2834 #endif
|
|
404
|
2835
|
|
259
|
2836 #ifdef __CYGWIN32__
|
|
404
|
2837 filename = xmalloc (cygwin32_win32_to_posix_path_list_buf_size (fname) + 5);
|
|
|
2838 strcpy (filename, "file:");
|
|
|
2839 cygwin32_win32_to_posix_path_list (fname, filename+5);
|
|
259
|
2840 #else
|
|
404
|
2841 filename = (char *)xmalloc (len+6);
|
|
|
2842 strcat (strcpy (filename, "file:"), fname);
|
|
|
2843 dostounix_filename (filename+5);
|
|
259
|
2844 #endif
|
|
404
|
2845 xfree (fname);
|
|
|
2846 l_item = make_string (filename, strlen (filename));
|
|
|
2847 l_dndlist = Fcons (l_item, l_dndlist);
|
|
|
2848 xfree (filename);
|
|
|
2849 }
|
|
|
2850 DragFinish ((HDROP) wParam);
|
|
|
2851
|
|
|
2852 event->event.misc.object = Fcons (Qdragdrop_URL, l_dndlist);
|
|
|
2853 mswindows_enqueue_dispatch_event (emacs_event);
|
|
|
2854 UNGCPRO;
|
|
|
2855 }
|
|
|
2856 break;
|
|
|
2857 #endif
|
|
|
2858
|
|
|
2859 defproc:
|
|
|
2860 default:
|
|
|
2861 return DefWindowProc (hwnd, message, wParam, lParam);
|
|
249
|
2862 }
|
|
|
2863 return (0);
|
|
|
2864 }
|
|
|
2865
|
|
|
2866
|
|
|
2867 /************************************************************************/
|
|
|
2868 /* keyboard, mouse & other helpers for the windows procedure */
|
|
|
2869 /************************************************************************/
|
|
|
2870 static void
|
|
|
2871 mswindows_set_chord_timer (HWND hwnd)
|
|
|
2872 {
|
|
|
2873 int interval;
|
|
|
2874
|
|
269
|
2875 /* We get one third half system double click threshold */
|
|
272
|
2876 if (mswindows_mouse_button_tolerance <= 0)
|
|
269
|
2877 interval = GetDoubleClickTime () / 3;
|
|
249
|
2878 else
|
|
272
|
2879 interval = mswindows_mouse_button_tolerance;
|
|
249
|
2880
|
|
|
2881 SetTimer (hwnd, BUTTON_2_TIMER_ID, interval, 0);
|
|
|
2882 }
|
|
|
2883
|
|
|
2884 static int
|
|
|
2885 mswindows_button2_near_enough (POINTS p1, POINTS p2)
|
|
|
2886 {
|
|
|
2887 int dx, dy;
|
|
272
|
2888 if (mswindows_mouse_button_max_skew_x <= 0)
|
|
249
|
2889 dx = GetSystemMetrics (SM_CXDOUBLECLK) / 2;
|
|
|
2890 else
|
|
272
|
2891 dx = mswindows_mouse_button_max_skew_x;
|
|
249
|
2892
|
|
272
|
2893 if (mswindows_mouse_button_max_skew_y <= 0)
|
|
249
|
2894 dy = GetSystemMetrics (SM_CYDOUBLECLK) / 2;
|
|
|
2895 else
|
|
272
|
2896 dy = mswindows_mouse_button_max_skew_y;
|
|
249
|
2897
|
|
|
2898 return abs (p1.x - p2.x) < dx && abs (p1.y- p2.y)< dy;
|
|
|
2899 }
|
|
|
2900
|
|
|
2901 static int
|
|
|
2902 mswindows_current_layout_has_AltGr (void)
|
|
|
2903 {
|
|
|
2904 /* This simple caching mechanism saves 10% of CPU
|
|
|
2905 time when a key typed at autorepeat rate of 30 cps! */
|
|
|
2906 static HKL last_hkl = 0;
|
|
|
2907 static int last_hkl_has_AltGr;
|
|
|
2908
|
|
|
2909 HKL current_hkl = GetKeyboardLayout (0);
|
|
|
2910 if (current_hkl != last_hkl)
|
|
|
2911 {
|
|
|
2912 TCHAR c;
|
|
|
2913 last_hkl_has_AltGr = 0;
|
|
|
2914 /* In this loop, we query whether a character requires
|
|
|
2915 AltGr to be down to generate it. If at least such one
|
|
|
2916 found, this means that the layout does regard AltGr */
|
|
|
2917 for (c = ' '; c <= 0xFFU && c != 0 && !last_hkl_has_AltGr; ++c)
|
|
|
2918 if (HIBYTE (VkKeyScan (c)) == 6)
|
|
|
2919 last_hkl_has_AltGr = 1;
|
|
|
2920 last_hkl = current_hkl;
|
|
|
2921 }
|
|
|
2922 return last_hkl_has_AltGr;
|
|
|
2923 }
|
|
|
2924
|
|
|
2925
|
|
|
2926 /* Returns the state of the modifier keys in the format expected by the
|
|
|
2927 * Lisp_Event key_data, button_data and motion_data modifiers member */
|
|
408
|
2928 static int
|
|
|
2929 mswindows_modifier_state (BYTE* keymap, int has_AltGr)
|
|
249
|
2930 {
|
|
|
2931 int mods = 0;
|
|
408
|
2932 BYTE keymap2[256];
|
|
249
|
2933
|
|
|
2934 if (keymap == NULL)
|
|
|
2935 {
|
|
408
|
2936 keymap = keymap2;
|
|
249
|
2937 GetKeyboardState (keymap);
|
|
|
2938 has_AltGr = mswindows_current_layout_has_AltGr ();
|
|
|
2939 }
|
|
|
2940
|
|
|
2941 if (has_AltGr && (keymap [VK_LCONTROL] & 0x80) && (keymap [VK_RMENU] & 0x80))
|
|
|
2942 {
|
|
404
|
2943 mods |= (keymap [VK_LMENU] & 0x80) ? XEMACS_MOD_META : 0;
|
|
|
2944 mods |= (keymap [VK_RCONTROL] & 0x80) ? XEMACS_MOD_CONTROL : 0;
|
|
249
|
2945 }
|
|
|
2946 else
|
|
|
2947 {
|
|
404
|
2948 mods |= (keymap [VK_MENU] & 0x80) ? XEMACS_MOD_META : 0;
|
|
|
2949 mods |= (keymap [VK_CONTROL] & 0x80) ? XEMACS_MOD_CONTROL : 0;
|
|
249
|
2950 }
|
|
|
2951
|
|
404
|
2952 mods |= (keymap [VK_SHIFT] & 0x80) ? XEMACS_MOD_SHIFT : 0;
|
|
249
|
2953
|
|
|
2954 return mods;
|
|
|
2955 }
|
|
|
2956
|
|
|
2957 /*
|
|
|
2958 * Translate a mswindows virtual key to a keysym.
|
|
|
2959 * Only returns non-Qnil for keys that don't generate WM_CHAR messages
|
|
|
2960 * or whose ASCII codes (like space) xemacs doesn't like.
|
|
371
|
2961 * Virtual key values are defined in winresrc.h
|
|
249
|
2962 */
|
|
398
|
2963 Lisp_Object mswindows_key_to_emacs_keysym (int mswindows_key, int mods,
|
|
|
2964 int extendedp)
|
|
249
|
2965 {
|
|
398
|
2966 if (extendedp) /* Keys not present on a 82 key keyboard */
|
|
|
2967 {
|
|
|
2968 switch (mswindows_key)
|
|
|
2969 {
|
|
|
2970 case VK_RETURN: return KEYSYM ("kp-enter");
|
|
|
2971 case VK_PRIOR: return KEYSYM ("prior");
|
|
|
2972 case VK_NEXT: return KEYSYM ("next");
|
|
|
2973 case VK_END: return KEYSYM ("end");
|
|
|
2974 case VK_HOME: return KEYSYM ("home");
|
|
|
2975 case VK_LEFT: return KEYSYM ("left");
|
|
|
2976 case VK_UP: return KEYSYM ("up");
|
|
|
2977 case VK_RIGHT: return KEYSYM ("right");
|
|
|
2978 case VK_DOWN: return KEYSYM ("down");
|
|
|
2979 case VK_INSERT: return KEYSYM ("insert");
|
|
|
2980 case VK_DELETE: return QKdelete;
|
|
|
2981 }
|
|
|
2982 }
|
|
|
2983 else
|
|
|
2984 {
|
|
|
2985 switch (mswindows_key)
|
|
|
2986 {
|
|
|
2987 case VK_BACK: return QKbackspace;
|
|
|
2988 case VK_TAB: return QKtab;
|
|
|
2989 case '\n': return QKlinefeed;
|
|
|
2990 case VK_CLEAR: return KEYSYM ("clear");
|
|
|
2991 case VK_RETURN: return QKreturn;
|
|
|
2992 case VK_ESCAPE: return QKescape;
|
|
|
2993 case VK_SPACE: return QKspace;
|
|
|
2994 case VK_PRIOR: return KEYSYM ("kp-prior");
|
|
|
2995 case VK_NEXT: return KEYSYM ("kp-next");
|
|
|
2996 case VK_END: return KEYSYM ("kp-end");
|
|
|
2997 case VK_HOME: return KEYSYM ("kp-home");
|
|
|
2998 case VK_LEFT: return KEYSYM ("kp-left");
|
|
|
2999 case VK_UP: return KEYSYM ("kp-up");
|
|
|
3000 case VK_RIGHT: return KEYSYM ("kp-right");
|
|
|
3001 case VK_DOWN: return KEYSYM ("kp-down");
|
|
|
3002 case VK_SELECT: return KEYSYM ("select");
|
|
|
3003 case VK_PRINT: return KEYSYM ("print");
|
|
|
3004 case VK_EXECUTE: return KEYSYM ("execute");
|
|
|
3005 case VK_SNAPSHOT: return KEYSYM ("print");
|
|
|
3006 case VK_INSERT: return KEYSYM ("kp-insert");
|
|
|
3007 case VK_DELETE: return KEYSYM ("kp-delete");
|
|
|
3008 case VK_HELP: return KEYSYM ("help");
|
|
|
3009 #if 0 /* FSF Emacs allows these to return configurable syms/mods */
|
|
404
|
3010 case VK_LWIN return KEYSYM ("");
|
|
|
3011 case VK_RWIN return KEYSYM ("");
|
|
367
|
3012 #endif
|
|
398
|
3013 case VK_APPS: return KEYSYM ("menu");
|
|
|
3014 case VK_NUMPAD0: return KEYSYM ("kp-0");
|
|
|
3015 case VK_NUMPAD1: return KEYSYM ("kp-1");
|
|
|
3016 case VK_NUMPAD2: return KEYSYM ("kp-2");
|
|
|
3017 case VK_NUMPAD3: return KEYSYM ("kp-3");
|
|
|
3018 case VK_NUMPAD4: return KEYSYM ("kp-4");
|
|
|
3019 case VK_NUMPAD5: return KEYSYM ("kp-5");
|
|
|
3020 case VK_NUMPAD6: return KEYSYM ("kp-6");
|
|
|
3021 case VK_NUMPAD7: return KEYSYM ("kp-7");
|
|
|
3022 case VK_NUMPAD8: return KEYSYM ("kp-8");
|
|
|
3023 case VK_NUMPAD9: return KEYSYM ("kp-9");
|
|
|
3024 case VK_MULTIPLY: return KEYSYM ("kp-multiply");
|
|
|
3025 case VK_ADD: return KEYSYM ("kp-add");
|
|
|
3026 case VK_SEPARATOR: return KEYSYM ("kp-separator");
|
|
|
3027 case VK_SUBTRACT: return KEYSYM ("kp-subtract");
|
|
|
3028 case VK_DECIMAL: return KEYSYM ("kp-decimal");
|
|
|
3029 case VK_DIVIDE: return KEYSYM ("kp-divide");
|
|
|
3030 case VK_F1: return KEYSYM ("f1");
|
|
|
3031 case VK_F2: return KEYSYM ("f2");
|
|
|
3032 case VK_F3: return KEYSYM ("f3");
|
|
|
3033 case VK_F4: return KEYSYM ("f4");
|
|
|
3034 case VK_F5: return KEYSYM ("f5");
|
|
|
3035 case VK_F6: return KEYSYM ("f6");
|
|
|
3036 case VK_F7: return KEYSYM ("f7");
|
|
|
3037 case VK_F8: return KEYSYM ("f8");
|
|
|
3038 case VK_F9: return KEYSYM ("f9");
|
|
|
3039 case VK_F10: return KEYSYM ("f10");
|
|
|
3040 case VK_F11: return KEYSYM ("f11");
|
|
|
3041 case VK_F12: return KEYSYM ("f12");
|
|
|
3042 case VK_F13: return KEYSYM ("f13");
|
|
|
3043 case VK_F14: return KEYSYM ("f14");
|
|
|
3044 case VK_F15: return KEYSYM ("f15");
|
|
|
3045 case VK_F16: return KEYSYM ("f16");
|
|
|
3046 case VK_F17: return KEYSYM ("f17");
|
|
|
3047 case VK_F18: return KEYSYM ("f18");
|
|
|
3048 case VK_F19: return KEYSYM ("f19");
|
|
|
3049 case VK_F20: return KEYSYM ("f20");
|
|
|
3050 case VK_F21: return KEYSYM ("f21");
|
|
|
3051 case VK_F22: return KEYSYM ("f22");
|
|
|
3052 case VK_F23: return KEYSYM ("f23");
|
|
|
3053 case VK_F24: return KEYSYM ("f24");
|
|
|
3054 }
|
|
|
3055 }
|
|
249
|
3056 return Qnil;
|
|
|
3057 }
|
|
|
3058
|
|
|
3059 /*
|
|
|
3060 * Find the console that matches the supplied mswindows window handle
|
|
|
3061 */
|
|
|
3062 Lisp_Object
|
|
|
3063 mswindows_find_console (HWND hwnd)
|
|
|
3064 {
|
|
274
|
3065 /* We only support one console */
|
|
|
3066 return XCAR (Vconsole_list);
|
|
249
|
3067 }
|
|
|
3068
|
|
|
3069 /*
|
|
|
3070 * Find the frame that matches the supplied mswindows window handle
|
|
|
3071 */
|
|
|
3072 static Lisp_Object
|
|
|
3073 mswindows_find_frame (HWND hwnd)
|
|
|
3074 {
|
|
269
|
3075 LONG l = GetWindowLong (hwnd, XWL_FRAMEOBJ);
|
|
|
3076 Lisp_Object f;
|
|
|
3077 if (l == 0)
|
|
|
3078 {
|
|
|
3079 /* We are in progress of frame creation. Return the frame
|
|
|
3080 being created, as it still not remembered in the window
|
|
|
3081 extra storage. */
|
|
276
|
3082 assert (!NILP (Vmswindows_frame_being_created));
|
|
|
3083 return Vmswindows_frame_being_created;
|
|
269
|
3084 }
|
|
|
3085 VOID_TO_LISP (f, l);
|
|
|
3086 return f;
|
|
249
|
3087 }
|
|
|
3088
|
|
213
|
3089
|
|
|
3090 /************************************************************************/
|
|
|
3091 /* methods */
|
|
|
3092 /************************************************************************/
|
|
|
3093
|
|
|
3094 static int
|
|
|
3095 emacs_mswindows_add_timeout (EMACS_TIME thyme)
|
|
|
3096 {
|
|
223
|
3097 int milliseconds;
|
|
213
|
3098 EMACS_TIME current_time;
|
|
|
3099 EMACS_GET_TIME (current_time);
|
|
|
3100 EMACS_SUB_TIME (thyme, thyme, current_time);
|
|
223
|
3101 milliseconds = EMACS_SECS (thyme) * 1000 +
|
|
|
3102 (EMACS_USECS (thyme) + 500) / 1000;
|
|
213
|
3103 if (milliseconds < 1)
|
|
|
3104 milliseconds = 1;
|
|
227
|
3105 ++mswindows_pending_timers_count;
|
|
249
|
3106 return SetTimer (NULL, 0, milliseconds,
|
|
|
3107 (TIMERPROC) mswindows_wm_timer_callback);
|
|
213
|
3108 }
|
|
|
3109
|
|
|
3110 static void
|
|
|
3111 emacs_mswindows_remove_timeout (int id)
|
|
|
3112 {
|
|
398
|
3113 Lisp_Event match_against;
|
|
223
|
3114 Lisp_Object emacs_event;
|
|
|
3115
|
|
233
|
3116 if (KillTimer (NULL, id))
|
|
|
3117 --mswindows_pending_timers_count;
|
|
223
|
3118
|
|
|
3119 /* If there is a dispatch event generated by this
|
|
|
3120 timeout in the queue, we have to remove it too. */
|
|
|
3121 match_against.event_type = timeout_event;
|
|
|
3122 match_against.event.timeout.interval_id = id;
|
|
|
3123 emacs_event = mswindows_cancel_dispatch_event (&match_against);
|
|
|
3124 if (!NILP (emacs_event))
|
|
|
3125 Fdeallocate_event(emacs_event);
|
|
213
|
3126 }
|
|
|
3127
|
|
219
|
3128 /* If `user_p' is false, then return whether there are any win32, timeout,
|
|
|
3129 * or subprocess events pending (that is, whether
|
|
|
3130 * emacs_mswindows_next_event() would return immediately without blocking).
|
|
|
3131 *
|
|
|
3132 * if `user_p' is true, then return whether there are any *user generated*
|
|
|
3133 * events available (that is, whether there are keyboard or mouse-click
|
|
|
3134 * events ready to be read). This also implies that
|
|
|
3135 * emacs_mswindows_next_event() would not block.
|
|
|
3136 */
|
|
213
|
3137 static int
|
|
|
3138 emacs_mswindows_event_pending_p (int user_p)
|
|
|
3139 {
|
|
274
|
3140 mswindows_need_event (0);
|
|
223
|
3141 return (!NILP (mswindows_u_dispatch_event_queue)
|
|
|
3142 || (!user_p && !NILP (mswindows_s_dispatch_event_queue)));
|
|
213
|
3143 }
|
|
|
3144
|
|
|
3145 /*
|
|
|
3146 * Return the next event
|
|
|
3147 */
|
|
|
3148 static void
|
|
398
|
3149 emacs_mswindows_next_event (Lisp_Event *emacs_event)
|
|
213
|
3150 {
|
|
223
|
3151 Lisp_Object event, event2;
|
|
|
3152
|
|
274
|
3153 mswindows_need_event (1);
|
|
213
|
3154
|
|
398
|
3155 event = mswindows_dequeue_dispatch_event ();
|
|
223
|
3156 XSETEVENT (event2, emacs_event);
|
|
|
3157 Fcopy_event (event, event2);
|
|
|
3158 Fdeallocate_event (event);
|
|
213
|
3159 }
|
|
|
3160
|
|
|
3161 /*
|
|
|
3162 * Handle a magic event off the dispatch queue.
|
|
|
3163 */
|
|
|
3164 static void
|
|
398
|
3165 emacs_mswindows_handle_magic_event (Lisp_Event *emacs_event)
|
|
213
|
3166 {
|
|
|
3167 switch (EVENT_MSWINDOWS_MAGIC_TYPE(emacs_event))
|
|
|
3168 {
|
|
288
|
3169 case XM_BUMPQUEUE:
|
|
|
3170 break;
|
|
398
|
3171
|
|
|
3172 case WM_PAINT:
|
|
404
|
3173 {
|
|
|
3174 struct frame *f = XFRAME (EVENT_CHANNEL (emacs_event));
|
|
|
3175 mswindows_handle_paint (f);
|
|
|
3176 (FRAME_MSWINDOWS_DATA (f))->paint_pending = 0;
|
|
|
3177 }
|
|
398
|
3178 break;
|
|
|
3179
|
|
288
|
3180 case WM_SETFOCUS:
|
|
|
3181 case WM_KILLFOCUS:
|
|
|
3182 {
|
|
|
3183 Lisp_Object frame = EVENT_CHANNEL (emacs_event);
|
|
|
3184 struct frame *f = XFRAME (frame);
|
|
|
3185 int in_p = (EVENT_MSWINDOWS_MAGIC_TYPE(emacs_event) == WM_SETFOCUS);
|
|
|
3186 Lisp_Object conser;
|
|
408
|
3187 struct gcpro gcpro1;
|
|
|
3188
|
|
|
3189 /* On focus change, clear all memory of sticky modifiers
|
|
|
3190 to avoid non-intuitive behavior. */
|
|
|
3191 clear_sticky_modifiers ();
|
|
213
|
3192
|
|
288
|
3193 conser = Fcons (frame, Fcons (FRAME_DEVICE (f), in_p ? Qt : Qnil));
|
|
408
|
3194 GCPRO1 (conser);
|
|
288
|
3195 emacs_handle_focus_change_preliminary (conser);
|
|
|
3196 /* Under X the stuff up to here is done in the X event handler.
|
|
|
3197 I Don't know why */
|
|
|
3198 emacs_handle_focus_change_final (conser);
|
|
408
|
3199 UNGCPRO;
|
|
223
|
3200
|
|
288
|
3201 }
|
|
|
3202 break;
|
|
213
|
3203
|
|
288
|
3204 case XM_MAPFRAME:
|
|
|
3205 case XM_UNMAPFRAME:
|
|
|
3206 {
|
|
|
3207 Lisp_Object frame = EVENT_CHANNEL (emacs_event);
|
|
398
|
3208 va_run_hook_with_args (EVENT_MSWINDOWS_MAGIC_TYPE(emacs_event)
|
|
288
|
3209 == XM_MAPFRAME ?
|
|
398
|
3210 Qmap_frame_hook : Qunmap_frame_hook,
|
|
288
|
3211 1, frame);
|
|
|
3212 }
|
|
|
3213 break;
|
|
398
|
3214
|
|
249
|
3215 /* #### What about Enter & Leave */
|
|
213
|
3216 #if 0
|
|
|
3217 va_run_hook_with_args (in_p ? Qmouse_enter_frame_hook :
|
|
|
3218 Qmouse_leave_frame_hook, 1, frame);
|
|
|
3219 #endif
|
|
|
3220
|
|
288
|
3221 default:
|
|
|
3222 assert(0);
|
|
|
3223 }
|
|
213
|
3224 }
|
|
|
3225
|
|
384
|
3226 #ifndef HAVE_MSG_SELECT
|
|
274
|
3227 static HANDLE
|
|
398
|
3228 get_process_input_waitable (Lisp_Process *process)
|
|
274
|
3229 {
|
|
282
|
3230 Lisp_Object instr, outstr, p;
|
|
|
3231 XSETPROCESS (p, process);
|
|
274
|
3232 get_process_streams (process, &instr, &outstr);
|
|
|
3233 assert (!NILP (instr));
|
|
282
|
3234 #if defined (HAVE_SOCKETS) && !defined(HAVE_MSG_SELECT)
|
|
|
3235 return (network_connection_p (p)
|
|
|
3236 ? get_winsock_stream_waitable (XLSTREAM (instr))
|
|
|
3237 : get_ntpipe_input_stream_waitable (XLSTREAM (instr)));
|
|
|
3238 #else
|
|
404
|
3239 return get_ntpipe_input_stream_waitable (XLSTREAM (instr));
|
|
282
|
3240 #endif
|
|
274
|
3241 }
|
|
|
3242
|
|
213
|
3243 static void
|
|
398
|
3244 emacs_mswindows_select_process (Lisp_Process *process)
|
|
213
|
3245 {
|
|
274
|
3246 HANDLE hev = get_process_input_waitable (process);
|
|
|
3247
|
|
|
3248 if (!add_waitable_handle (hev))
|
|
|
3249 error ("Too many active processes");
|
|
|
3250
|
|
276
|
3251 #ifdef HAVE_WIN32_PROCESSES
|
|
|
3252 {
|
|
282
|
3253 Lisp_Object p;
|
|
|
3254 XSETPROCESS (p, process);
|
|
|
3255 if (!network_connection_p (p))
|
|
276
|
3256 {
|
|
282
|
3257 HANDLE hprocess = get_nt_process_handle (process);
|
|
|
3258 if (!add_waitable_handle (hprocess))
|
|
|
3259 {
|
|
|
3260 remove_waitable_handle (hev);
|
|
|
3261 error ("Too many active processes");
|
|
|
3262 }
|
|
276
|
3263 }
|
|
|
3264 }
|
|
|
3265 #endif
|
|
213
|
3266 }
|
|
|
3267
|
|
|
3268 static void
|
|
398
|
3269 emacs_mswindows_unselect_process (Lisp_Process *process)
|
|
213
|
3270 {
|
|
274
|
3271 /* Process handle is removed in the event loop as soon
|
|
|
3272 as it is signaled, so don't bother here about it */
|
|
|
3273 HANDLE hev = get_process_input_waitable (process);
|
|
|
3274 remove_waitable_handle (hev);
|
|
213
|
3275 }
|
|
384
|
3276 #endif /* HAVE_MSG_SELECT */
|
|
213
|
3277
|
|
|
3278 static void
|
|
|
3279 emacs_mswindows_select_console (struct console *con)
|
|
|
3280 {
|
|
392
|
3281 #ifdef HAVE_MSG_SELECT
|
|
|
3282 if (CONSOLE_MSWINDOWS_P (con))
|
|
|
3283 return; /* mswindows consoles are automatically selected */
|
|
|
3284
|
|
|
3285 event_stream_unixoid_select_console (con);
|
|
|
3286 #endif
|
|
213
|
3287 }
|
|
|
3288
|
|
|
3289 static void
|
|
|
3290 emacs_mswindows_unselect_console (struct console *con)
|
|
|
3291 {
|
|
392
|
3292 #ifdef HAVE_MSG_SELECT
|
|
|
3293 if (CONSOLE_MSWINDOWS_P (con))
|
|
|
3294 return; /* mswindows consoles are automatically selected */
|
|
|
3295
|
|
|
3296 event_stream_unixoid_unselect_console (con);
|
|
|
3297 #endif
|
|
213
|
3298 }
|
|
|
3299
|
|
|
3300 static void
|
|
|
3301 emacs_mswindows_quit_p (void)
|
|
|
3302 {
|
|
276
|
3303 /* Quit cannot happen in modal loop: all program
|
|
|
3304 input is dedicated to Windows. */
|
|
|
3305 if (mswindows_in_modal_loop)
|
|
|
3306 return;
|
|
|
3307
|
|
398
|
3308 /* Drain windows queue. This sets up number of quit characters in
|
|
|
3309 the queue */
|
|
|
3310 mswindows_drain_windows_queue ();
|
|
223
|
3311
|
|
|
3312 if (mswindows_quit_chars_count > 0)
|
|
|
3313 {
|
|
|
3314 /* Yes there's a hidden one... Throw it away */
|
|
398
|
3315 Lisp_Event match_against;
|
|
223
|
3316 Lisp_Object emacs_event;
|
|
398
|
3317 int critical_p = 0;
|
|
223
|
3318
|
|
|
3319 match_against.event_type = key_press_event;
|
|
|
3320 match_against.event.key.modifiers = FAKE_MOD_QUIT;
|
|
|
3321
|
|
398
|
3322 while (mswindows_quit_chars_count-- > 0)
|
|
|
3323 {
|
|
|
3324 emacs_event = mswindows_cancel_dispatch_event (&match_against);
|
|
|
3325 assert (!NILP (emacs_event));
|
|
|
3326
|
|
404
|
3327 if (XEVENT(emacs_event)->event.key.modifiers & XEMACS_MOD_SHIFT)
|
|
398
|
3328 critical_p = 1;
|
|
|
3329
|
|
|
3330 Fdeallocate_event(emacs_event);
|
|
|
3331 }
|
|
|
3332
|
|
|
3333 Vquit_flag = critical_p ? Qcritical : Qt;
|
|
223
|
3334 }
|
|
213
|
3335 }
|
|
|
3336
|
|
274
|
3337 USID
|
|
|
3338 emacs_mswindows_create_stream_pair (void* inhandle, void* outhandle,
|
|
|
3339 Lisp_Object* instream,
|
|
|
3340 Lisp_Object* outstream,
|
|
|
3341 int flags)
|
|
|
3342 {
|
|
|
3343 /* Handles for streams */
|
|
|
3344 HANDLE hin, hout;
|
|
|
3345 /* fds. These just stored along with the streams, and are closed in
|
|
|
3346 delete stream pair method, because we need to handle fake unices
|
|
|
3347 here. */
|
|
|
3348 int fdi, fdo;
|
|
|
3349
|
|
|
3350 /* Decode inhandle and outhandle. Their meaning depends on
|
|
|
3351 the process implementation being used. */
|
|
|
3352 #if defined (HAVE_WIN32_PROCESSES)
|
|
|
3353 /* We're passed in Windows handles. That's what we like most... */
|
|
|
3354 hin = (HANDLE) inhandle;
|
|
|
3355 hout = (HANDLE) outhandle;
|
|
|
3356 fdi = fdo = -1;
|
|
|
3357 #elif defined (HAVE_UNIX_PROCESSES)
|
|
|
3358 /* We are passed UNIX fds. This must be Cygwin.
|
|
|
3359 Fetch os handles */
|
|
276
|
3360 hin = inhandle >= 0 ? (HANDLE)get_osfhandle ((int)inhandle) : INVALID_HANDLE_VALUE;
|
|
|
3361 hout = outhandle >= 0 ? (HANDLE)get_osfhandle ((int)outhandle) : INVALID_HANDLE_VALUE;
|
|
|
3362 fdi=(int)inhandle;
|
|
|
3363 fdo=(int)outhandle;
|
|
274
|
3364 #else
|
|
|
3365 #error "So, WHICH kind of processes do you want?"
|
|
|
3366 #endif
|
|
|
3367
|
|
282
|
3368 *instream = (hin == INVALID_HANDLE_VALUE
|
|
|
3369 ? Qnil
|
|
|
3370 #if defined (HAVE_SOCKETS) && !defined (HAVE_MSG_SELECT)
|
|
|
3371 : flags & STREAM_NETWORK_CONNECTION
|
|
|
3372 ? make_winsock_input_stream ((SOCKET)hin, fdi)
|
|
|
3373 #endif
|
|
|
3374 : make_ntpipe_input_stream (hin, fdi));
|
|
274
|
3375
|
|
276
|
3376 #ifdef HAVE_WIN32_PROCESSES
|
|
282
|
3377 *outstream = (hout == INVALID_HANDLE_VALUE
|
|
|
3378 ? Qnil
|
|
|
3379 #if defined (HAVE_SOCKETS) && !defined (HAVE_MSG_SELECT)
|
|
|
3380 : flags & STREAM_NETWORK_CONNECTION
|
|
|
3381 ? make_winsock_output_stream ((SOCKET)hout, fdo)
|
|
|
3382 #endif
|
|
|
3383 : make_ntpipe_output_stream (hout, fdo));
|
|
276
|
3384 #elif defined (HAVE_UNIX_PROCESSES)
|
|
|
3385 *outstream = (fdo >= 0
|
|
|
3386 ? make_filedesc_output_stream (fdo, 0, -1, LSTR_BLOCKED_OK)
|
|
|
3387 : Qnil);
|
|
|
3388
|
|
|
3389 #if defined(HAVE_UNIX_PROCESSES) && defined(HAVE_PTYS)
|
|
|
3390 /* FLAGS is process->pty_flag for UNIX_PROCESSES */
|
|
282
|
3391 if ((flags & STREAM_PTY_FLUSHING) && fdo >= 0)
|
|
276
|
3392 {
|
|
|
3393 Bufbyte eof_char = get_eof_char (fdo);
|
|
|
3394 int pty_max_bytes = get_pty_max_bytes (fdo);
|
|
|
3395 filedesc_stream_set_pty_flushing (XLSTREAM(*outstream), pty_max_bytes, eof_char);
|
|
|
3396 }
|
|
|
3397 #endif
|
|
|
3398 #endif
|
|
274
|
3399
|
|
282
|
3400 return (NILP (*instream)
|
|
|
3401 ? USID_ERROR
|
|
|
3402 #if defined(HAVE_SOCKETS) && !defined(HAVE_MSG_SELECT)
|
|
|
3403 : flags & STREAM_NETWORK_CONNECTION
|
|
|
3404 ? HANDLE_TO_USID (get_winsock_stream_waitable (XLSTREAM (*instream)))
|
|
|
3405 #endif
|
|
274
|
3406 : HANDLE_TO_USID (get_ntpipe_input_stream_waitable (XLSTREAM (*instream))));
|
|
|
3407 }
|
|
|
3408
|
|
|
3409 USID
|
|
|
3410 emacs_mswindows_delete_stream_pair (Lisp_Object instream,
|
|
404
|
3411 Lisp_Object outstream)
|
|
274
|
3412 {
|
|
|
3413 /* Oh nothing special here for Win32 at all */
|
|
|
3414 #if defined (HAVE_UNIX_PROCESSES)
|
|
282
|
3415 int in = (NILP(instream)
|
|
|
3416 ? -1
|
|
|
3417 #if defined(HAVE_SOCKETS) && !defined(HAVE_MSG_SELECT)
|
|
|
3418 : LSTREAM_TYPE_P (XLSTREAM (instream), winsock)
|
|
|
3419 ? get_winsock_stream_param (XLSTREAM (instream))
|
|
|
3420 #endif
|
|
274
|
3421 : get_ntpipe_input_stream_param (XLSTREAM (instream)));
|
|
|
3422 int out = (NILP(outstream) ? -1
|
|
276
|
3423 : filedesc_stream_fd (XLSTREAM (outstream)));
|
|
274
|
3424
|
|
|
3425 if (in >= 0)
|
|
|
3426 close (in);
|
|
|
3427 if (out != in && out >= 0)
|
|
|
3428 close (out);
|
|
|
3429 #endif
|
|
|
3430
|
|
282
|
3431 return (NILP (instream)
|
|
|
3432 ? USID_DONTHASH
|
|
|
3433 #if defined(HAVE_SOCKETS) && !defined(HAVE_MSG_SELECT)
|
|
|
3434 : LSTREAM_TYPE_P (XLSTREAM (instream), winsock)
|
|
|
3435 ? HANDLE_TO_USID (get_winsock_stream_waitable (XLSTREAM (instream)))
|
|
|
3436 #endif
|
|
274
|
3437 : HANDLE_TO_USID (get_ntpipe_input_stream_waitable (XLSTREAM (instream))));
|
|
|
3438 }
|
|
|
3439
|
|
263
|
3440 #ifndef HAVE_X_WINDOWS
|
|
213
|
3441 /* This is called from GC when a process object is about to be freed.
|
|
|
3442 If we've still got pointers to it in this file, we're gonna lose hard.
|
|
|
3443 */
|
|
|
3444 void
|
|
398
|
3445 debug_process_finalization (Lisp_Process *p)
|
|
213
|
3446 {
|
|
|
3447 #if 0 /* #### */
|
|
263
|
3448 Lisp_Object instr, outstr;
|
|
|
3449
|
|
|
3450 get_process_streams (p, &instr, &outstr);
|
|
213
|
3451 /* if it still has fds, then it hasn't been killed yet. */
|
|
263
|
3452 assert (NILP(instr));
|
|
|
3453 assert (NILP(outstr));
|
|
|
3454
|
|
|
3455 /* #### More checks here */
|
|
213
|
3456 #endif
|
|
|
3457 }
|
|
263
|
3458 #endif
|
|
213
|
3459
|
|
|
3460 /************************************************************************/
|
|
|
3461 /* initialization */
|
|
|
3462 /************************************************************************/
|
|
398
|
3463
|
|
213
|
3464 void
|
|
398
|
3465 reinit_vars_of_event_mswindows (void)
|
|
213
|
3466 {
|
|
231
|
3467 mswindows_in_modal_loop = 0;
|
|
227
|
3468 mswindows_pending_timers_count = 0;
|
|
|
3469
|
|
213
|
3470 mswindows_event_stream = xnew (struct event_stream);
|
|
|
3471
|
|
|
3472 mswindows_event_stream->event_pending_p = emacs_mswindows_event_pending_p;
|
|
404
|
3473 mswindows_event_stream->force_event_pending = 0;
|
|
223
|
3474 mswindows_event_stream->next_event_cb = emacs_mswindows_next_event;
|
|
213
|
3475 mswindows_event_stream->handle_magic_event_cb = emacs_mswindows_handle_magic_event;
|
|
|
3476 mswindows_event_stream->add_timeout_cb = emacs_mswindows_add_timeout;
|
|
|
3477 mswindows_event_stream->remove_timeout_cb = emacs_mswindows_remove_timeout;
|
|
278
|
3478 mswindows_event_stream->quit_p_cb = emacs_mswindows_quit_p;
|
|
213
|
3479 mswindows_event_stream->select_console_cb = emacs_mswindows_select_console;
|
|
223
|
3480 mswindows_event_stream->unselect_console_cb = emacs_mswindows_unselect_console;
|
|
278
|
3481 #ifdef HAVE_MSG_SELECT
|
|
398
|
3482 mswindows_event_stream->select_process_cb =
|
|
|
3483 (void (*)(Lisp_Process*))event_stream_unixoid_select_process;
|
|
|
3484 mswindows_event_stream->unselect_process_cb =
|
|
|
3485 (void (*)(Lisp_Process*))event_stream_unixoid_unselect_process;
|
|
278
|
3486 mswindows_event_stream->create_stream_pair_cb = event_stream_unixoid_create_stream_pair;
|
|
|
3487 mswindows_event_stream->delete_stream_pair_cb = event_stream_unixoid_delete_stream_pair;
|
|
|
3488 #else
|
|
213
|
3489 mswindows_event_stream->select_process_cb = emacs_mswindows_select_process;
|
|
223
|
3490 mswindows_event_stream->unselect_process_cb = emacs_mswindows_unselect_process;
|
|
274
|
3491 mswindows_event_stream->create_stream_pair_cb = emacs_mswindows_create_stream_pair;
|
|
|
3492 mswindows_event_stream->delete_stream_pair_cb = emacs_mswindows_delete_stream_pair;
|
|
278
|
3493 #endif
|
|
398
|
3494 }
|
|
|
3495
|
|
|
3496 void
|
|
|
3497 vars_of_event_mswindows (void)
|
|
|
3498 {
|
|
|
3499 reinit_vars_of_event_mswindows ();
|
|
|
3500
|
|
|
3501 mswindows_u_dispatch_event_queue = Qnil;
|
|
|
3502 staticpro (&mswindows_u_dispatch_event_queue);
|
|
|
3503 mswindows_u_dispatch_event_queue_tail = Qnil;
|
|
|
3504 pdump_wire (&mswindows_u_dispatch_event_queue_tail);
|
|
|
3505
|
|
|
3506 mswindows_s_dispatch_event_queue = Qnil;
|
|
|
3507 staticpro (&mswindows_s_dispatch_event_queue);
|
|
|
3508 mswindows_s_dispatch_event_queue_tail = Qnil;
|
|
|
3509 pdump_wire (&mswindows_s_dispatch_event_queue_tail);
|
|
|
3510
|
|
|
3511 mswindows_error_caught_in_modal_loop = Qnil;
|
|
|
3512 staticpro (&mswindows_error_caught_in_modal_loop);
|
|
|
3513
|
|
408
|
3514
|
|
|
3515 #ifdef DEBUG_XEMACS
|
|
|
3516 DEFVAR_INT ("mswindows-debug-events", &mswindows_debug_events /*
|
|
|
3517 If non-zero, display debug information about Windows events that XEmacs sees.
|
|
|
3518 Information is displayed in a console window. Currently defined values are:
|
|
|
3519
|
|
|
3520 1 == non-verbose output
|
|
|
3521 2 == verbose output
|
|
|
3522
|
|
|
3523 #### Unfortunately, not yet implemented.
|
|
|
3524 */ );
|
|
|
3525 mswindows_debug_events = 0;
|
|
|
3526 #endif
|
|
|
3527
|
|
404
|
3528 DEFVAR_BOOL ("mswindows-alt-by-itself-activates-menu",
|
|
|
3529 &mswindows_alt_by_itself_activates_menu /*
|
|
|
3530 *Controls whether pressing and releasing the Alt key activates the menubar.
|
|
|
3531 This applies only if no intervening key was pressed. See also
|
|
|
3532 `menu-accelerator-enabled', which is probably the behavior you actually want.
|
|
398
|
3533 Default is t.
|
|
|
3534 */ );
|
|
223
|
3535
|
|
404
|
3536 DEFVAR_BOOL ("mswindows-dynamic-frame-resize",
|
|
|
3537 &mswindows_dynamic_frame_resize /*
|
|
223
|
3538 *Controls redrawing frame contents during mouse-drag or keyboard resize
|
|
|
3539 operation. When non-nil, the frame is redrawn while being resized. When
|
|
|
3540 nil, frame is not redrawn, and exposed areas are filled with default
|
|
|
3541 MDI application background color. Note that this option only has effect
|
|
|
3542 if "Show window contents while dragging" is on in system Display/Plus!
|
|
|
3543 settings.
|
|
|
3544 Default is t on fast machines, nil on slow.
|
|
|
3545 */ );
|
|
|
3546
|
|
404
|
3547 DEFVAR_INT ("mswindows-mouse-button-tolerance",
|
|
|
3548 &mswindows_mouse_button_tolerance /*
|
|
223
|
3549 *Analogue of double click interval for faking middle mouse events.
|
|
|
3550 The value is the minimum time in milliseconds that must elapse between
|
|
|
3551 left/right button down events before they are considered distinct events.
|
|
|
3552 If both mouse buttons are depressed within this interval, a middle mouse
|
|
|
3553 button down event is generated instead.
|
|
|
3554 If negative or zero, currently set system default is used instead.
|
|
|
3555 */ );
|
|
|
3556
|
|
225
|
3557 DEFVAR_INT ("mswindows-num-mouse-buttons", &mswindows_num_mouse_buttons /*
|
|
223
|
3558 Number of physical mouse buttons.
|
|
|
3559 */ );
|
|
|
3560
|
|
404
|
3561 DEFVAR_INT ("mswindows-mouse-button-max-skew-x",
|
|
|
3562 &mswindows_mouse_button_max_skew_x /*
|
|
223
|
3563 *Maximum horizontal distance in pixels between points in which left and
|
|
380
|
3564 right button clicks occurred for them to be translated into single
|
|
223
|
3565 middle button event. Clicks must occur in time not longer than defined
|
|
272
|
3566 by the variable `mswindows-mouse-button-tolerance'.
|
|
223
|
3567 If negative or zero, currently set system default is used instead.
|
|
|
3568 */ );
|
|
|
3569
|
|
404
|
3570 DEFVAR_INT ("mswindows-mouse-button-max-skew-y",
|
|
|
3571 &mswindows_mouse_button_max_skew_y /*
|
|
223
|
3572 *Maximum vertical distance in pixels between points in which left and
|
|
380
|
3573 right button clicks occurred for them to be translated into single
|
|
223
|
3574 middle button event. Clicks must occur in time not longer than defined
|
|
272
|
3575 by the variable `mswindows-mouse-button-tolerance'.
|
|
223
|
3576 If negative or zero, currently set system default is used instead.
|
|
|
3577 */ );
|
|
|
3578
|
|
272
|
3579 mswindows_mouse_button_max_skew_x = 0;
|
|
|
3580 mswindows_mouse_button_max_skew_y = 0;
|
|
|
3581 mswindows_mouse_button_tolerance = 0;
|
|
404
|
3582 mswindows_alt_by_itself_activates_menu = 1;
|
|
213
|
3583 }
|
|
|
3584
|
|
|
3585 void
|
|
|
3586 syms_of_event_mswindows (void)
|
|
|
3587 {
|
|
|
3588 }
|
|
|
3589
|
|
|
3590 void
|
|
274
|
3591 lstream_type_create_mswindows_selectable (void)
|
|
|
3592 {
|
|
|
3593 init_slurp_stream ();
|
|
|
3594 init_shove_stream ();
|
|
282
|
3595 #if defined (HAVE_SOCKETS) && !defined(HAVE_MSG_SELECT)
|
|
|
3596 init_winsock_stream ();
|
|
|
3597 #endif
|
|
274
|
3598 }
|
|
|
3599
|
|
|
3600 void
|
|
213
|
3601 init_event_mswindows_late (void)
|
|
|
3602 {
|
|
278
|
3603 #ifdef HAVE_MSG_SELECT
|
|
|
3604 windows_fd = open("/dev/windows", O_RDONLY | O_NONBLOCK, 0);
|
|
|
3605 assert (windows_fd>=0);
|
|
|
3606 FD_SET (windows_fd, &input_wait_mask);
|
|
373
|
3607 FD_ZERO(&zero_mask);
|
|
278
|
3608 #endif
|
|
|
3609
|
|
213
|
3610 event_stream = mswindows_event_stream;
|
|
223
|
3611
|
|
|
3612 mswindows_dynamic_frame_resize = !GetSystemMetrics (SM_SLOWMACHINE);
|
|
|
3613 mswindows_num_mouse_buttons = GetSystemMetrics (SM_CMOUSEBUTTONS);
|
|
213
|
3614 }
|
