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213
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1 /* The mswindows event_stream interface.
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2 Copyright (C) 1991, 1992, 1993, 1994, 1995 Free Software Foundation, Inc.
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3 Copyright (C) 1995 Sun Microsystems, Inc.
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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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213
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61 #include "sysproc.h"
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62 #include "syswait.h"
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63 #include "systime.h"
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278
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64 #include "sysdep.h"
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384
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65 #include "objects-msw.h"
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213
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66
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249
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67 #include "events-mod.h"
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278
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68 #ifdef HAVE_MSG_SELECT
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69 #include "sysfile.h"
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392
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70 #include "console-tty.h"
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284
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71 #elif defined(__CYGWIN32__)
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72 typedef unsigned int SOCKET;
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278
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73 #endif
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276
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74 #include <io.h>
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274
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75 #include <errno.h>
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76
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404
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77 #if !(defined(__CYGWIN32__) || defined(__MINGW32__))
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78 # include <shlobj.h> /* For IShellLink */
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79 #endif
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80
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398
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81 #if defined (__CYGWIN32__) && (CYGWIN_VERSION_DLL_MAJOR < 20)
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82 typedef NMHDR *LPNMHDR;
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83 #endif
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84
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249
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85 #ifdef HAVE_MENUBARS
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86 #define ADJR_MENUFLAG TRUE
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87 #else
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88 #define ADJR_MENUFLAG FALSE
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89 #endif
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90
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91 /* Fake key modifier which is attached to a quit char event.
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92 Removed upon dequeueing an event */
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93 #define FAKE_MOD_QUIT 0x80
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94
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95 /* Timer ID used for button2 emulation */
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96 #define BUTTON_2_TIMER_ID 1
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97
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98 static Lisp_Object mswindows_find_frame (HWND hwnd);
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99 static Lisp_Object mswindows_find_console (HWND hwnd);
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398
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100 static Lisp_Object mswindows_key_to_emacs_keysym (int mswindows_key, int mods,
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101 int extendedp);
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249
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102 static int mswindows_modifier_state (BYTE* keymap, int has_AltGr);
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103 static void mswindows_set_chord_timer (HWND hwnd);
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104 static int mswindows_button2_near_enough (POINTS p1, POINTS p2);
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105 static int mswindows_current_layout_has_AltGr (void);
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106
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213
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107 static struct event_stream *mswindows_event_stream;
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223
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108
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278
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109 #ifdef HAVE_MSG_SELECT
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110 extern SELECT_TYPE input_wait_mask, non_fake_input_wait_mask;
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111 extern SELECT_TYPE process_only_mask, tty_only_mask;
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373
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112 SELECT_TYPE zero_mask;
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278
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113 extern int signal_event_pipe_initialized;
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114 int windows_fd;
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115 #endif
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116
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223
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117 /*
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118 * Two separate queues, for efficiency, one (_u_) for user events, and
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119 * another (_s_) for non-user ones. We always return events out of the
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120 * first one until it is empty and only then proceed with the second
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121 * one.
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122 */
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123 static Lisp_Object mswindows_u_dispatch_event_queue, mswindows_u_dispatch_event_queue_tail;
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124 static Lisp_Object mswindows_s_dispatch_event_queue, mswindows_s_dispatch_event_queue_tail;
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213
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125
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249
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126 /* The number of things we can wait on */
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127 #define MAX_WAITABLE (MAXIMUM_WAIT_OBJECTS - 1)
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128
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392
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129 #ifndef HAVE_MSG_SELECT
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249
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130 /* List of mswindows waitable handles. */
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274
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131 static HANDLE mswindows_waitable_handles[MAX_WAITABLE];
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132
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133 /* Number of wait handles */
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134 static int mswindows_waitable_count=0;
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384
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135 #endif /* HAVE_MSG_SELECT */
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398
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136
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384
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137 /* Brush for painting widgets */
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138 static HBRUSH widget_brush = 0;
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139 static LONG last_widget_brushed = 0;
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213
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140
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223
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141 /* Count of quit chars currently in the queue */
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249
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142 /* Incremented in WM_[SYS]KEYDOWN handler in the mswindows_wnd_proc()
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223
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143 Decremented in mswindows_dequeue_dispatch_event() */
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144 int mswindows_quit_chars_count = 0;
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145
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146 /* These are Lisp integers; see DEFVARS in this file for description. */
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147 int mswindows_dynamic_frame_resize;
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404
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148 int mswindows_alt_by_itself_activates_menu;
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223
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149 int mswindows_num_mouse_buttons;
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272
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150 int mswindows_mouse_button_max_skew_x;
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151 int mswindows_mouse_button_max_skew_y;
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152 int mswindows_mouse_button_tolerance;
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223
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153
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227
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154 /* This is the event signaled by the event pump.
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155 See mswindows_pump_outstanding_events for comments */
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231
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156 static Lisp_Object mswindows_error_caught_in_modal_loop;
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157 static int mswindows_in_modal_loop;
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227
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158
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159 /* Count of wound timers */
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160 static int mswindows_pending_timers_count;
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274
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161
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162 /************************************************************************/
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163 /* Pipe instream - reads process output */
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164 /************************************************************************/
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165
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166 #define PIPE_READ_DELAY 20
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167
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168 #define HANDLE_TO_USID(h) ((USID)(h))
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169
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170 #define NTPIPE_SLURP_STREAM_DATA(stream) \
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171 LSTREAM_TYPE_DATA (stream, ntpipe_slurp)
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172
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276
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173 /* This structure is allocated by the main thread, and is deallocated
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174 in the thread upon exit. There are situations when a thread
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175 remains blocked for a long time, much longer than the lstream
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380
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176 exists. For example, "start notepad" command is issued from the
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276
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177 shell, then the shell is closed by C-c C-d. Although the shell
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178 process exits, its output pipe will not get closed until the
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179 notepad process exits also, because it inherits the pipe form the
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180 shell. In this case, we abandon the thread, and let it live until
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181 all such processes exit. While struct ntpipe_slurp_stream is
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182 deallocated in this case, ntpipe_slurp_stream_shared_data are not. */
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183
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184 struct ntpipe_slurp_stream_shared_data
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274
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185 {
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186 HANDLE hev_thread; /* Our thread blocks on this, signaled by caller */
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404
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187 /* This is a manual-reset object. */
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274
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188 HANDLE hev_caller; /* Caller blocks on this, and we signal it */
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404
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189 /* This is a manual-reset object. */
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274
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190 HANDLE hev_unsleep; /* Pipe read delay is canceled if this is set */
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404
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191 /* This is a manual-reset object. */
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274
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192 HANDLE hpipe; /* Pipe read end handle. */
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276
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193 LONG die_p; /* Thread must exit ASAP if non-zero */
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274
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194 BOOL eof_p : 1; /* Set when thread saw EOF */
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195 BOOL error_p : 1; /* Read error other than EOF/broken pipe */
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276
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196 BOOL inuse_p : 1; /* this structure is in use */
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197 LONG lock_count; /* Client count of this struct, 0=safe to free */
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198 BYTE onebyte; /* One byte buffer read by thread */
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199 };
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200
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201 #define MAX_SLURP_STREAMS 32
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398
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202 struct ntpipe_slurp_stream_shared_data
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278
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203 shared_data_block[MAX_SLURP_STREAMS]={{0}};
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276
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204
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205 struct ntpipe_slurp_stream
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206 {
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207 LPARAM user_data; /* Any user data stored in the stream object */
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208 struct ntpipe_slurp_stream_shared_data* thread_data;
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274
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209 };
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210
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211 DEFINE_LSTREAM_IMPLEMENTATION ("ntpipe-input", lstream_ntpipe_slurp,
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212 sizeof (struct ntpipe_slurp_stream));
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213
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276
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214 /* This function is thread-safe, and is called from either thread
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380
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215 context. It serializes freeing shared data structure */
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276
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216 static void
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217 slurper_free_shared_data_maybe (struct ntpipe_slurp_stream_shared_data* s)
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218 {
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219 if (InterlockedDecrement (&s->lock_count) == 0)
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220 {
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221 /* Destroy events */
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222 CloseHandle (s->hev_thread);
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223 CloseHandle (s->hev_caller);
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224 CloseHandle (s->hev_unsleep);
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225 s->inuse_p = 0;
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226 }
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227 }
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228
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229 static struct ntpipe_slurp_stream_shared_data*
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404
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230 slurper_allocate_shared_data (void)
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276
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231 {
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232 int i=0;
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233 for (i=0; i<MAX_SLURP_STREAMS; i++)
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234 {
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235 if (!shared_data_block[i].inuse_p)
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236 {
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237 shared_data_block[i].inuse_p=1;
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238 return &shared_data_block[i];
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239 }
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240 }
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241 return (struct ntpipe_slurp_stream_shared_data*)0;
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242 }
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243
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274
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244 static DWORD WINAPI
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245 slurp_thread (LPVOID vparam)
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246 {
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276
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247 struct ntpipe_slurp_stream_shared_data *s =
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248 (struct ntpipe_slurp_stream_shared_data*)vparam;
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274
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249
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250 for (;;)
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251 {
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252 /* Read one byte from the pipe */
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253 DWORD actually_read;
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254 if (!ReadFile (s->hpipe, &s->onebyte, 1, &actually_read, NULL))
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255 {
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256 DWORD err = GetLastError ();
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257 if (err == ERROR_BROKEN_PIPE || err == ERROR_NO_DATA)
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258 s->eof_p = TRUE;
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259 else
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260 s->error_p = TRUE;
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261 }
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262 else if (actually_read == 0)
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263 s->eof_p = TRUE;
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264
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265 /* We must terminate on an error or eof */
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266 if (s->eof_p || s->error_p)
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267 InterlockedIncrement (&s->die_p);
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268
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269 /* Before we notify caller, we unsignal our event. */
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270 ResetEvent (s->hev_thread);
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271
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272 /* Now we got something to notify caller, either a byte or an
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273 error/eof indication. Before we do, allow internal pipe
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398
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274 buffer to accumulate little bit more data.
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274
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275 Reader function pulses this event before waiting for
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276
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276 a character, to avoid pipe delay, and to get the byte
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274
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277 immediately. */
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278 if (!s->die_p)
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279 WaitForSingleObject (s->hev_unsleep, PIPE_READ_DELAY);
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280
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281 /* Either make event loop generate a process event, or
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282 inblock reader */
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283 SetEvent (s->hev_caller);
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284
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285 /* Cleanup and exit if we're shot off */
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286 if (s->die_p)
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287 break;
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288
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380
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289 /* Block until the client finishes with retrieving the rest of
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274
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290 pipe data */
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291 WaitForSingleObject (s->hev_thread, INFINITE);
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292 }
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293
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276
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294 slurper_free_shared_data_maybe (s);
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295
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274
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296 return 0;
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297 }
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298
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299 static Lisp_Object
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300 make_ntpipe_input_stream (HANDLE hpipe, LPARAM param)
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301 {
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302 Lisp_Object obj;
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303 Lstream *lstr = Lstream_new (lstream_ntpipe_slurp, "r");
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304 struct ntpipe_slurp_stream* s = NTPIPE_SLURP_STREAM_DATA (lstr);
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305 DWORD thread_id_unused;
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276
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306 HANDLE hthread;
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274
|
307
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308 /* We deal only with pipes, for we're using PeekNamedPipe api */
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309 assert (GetFileType (hpipe) == FILE_TYPE_PIPE);
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310
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276
|
311 s->thread_data = slurper_allocate_shared_data();
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274
|
312
|
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276
|
313 /* Create reader thread. This could fail, so do not create events
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314 until thread is created */
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315 hthread = CreateThread (NULL, 0, slurp_thread, (LPVOID)s->thread_data,
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316 CREATE_SUSPENDED, &thread_id_unused);
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317 if (hthread == NULL)
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274
|
318 {
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319 Lstream_delete (lstr);
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276
|
320 s->thread_data->inuse_p=0;
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274
|
321 return Qnil;
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|
|
322 }
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323
|
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276
|
324 /* Shared data are initially owned by both main and slurper
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325 threads. */
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326 s->thread_data->lock_count = 2;
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327 s->thread_data->die_p = 0;
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328 s->thread_data->eof_p = FALSE;
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329 s->thread_data->error_p = FALSE;
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330 s->thread_data->hpipe = hpipe;
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331 s->user_data = param;
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332
|
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274
|
333 /* hev_thread is a manual-reset event, initially signaled */
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276
|
334 s->thread_data->hev_thread = CreateEvent (NULL, TRUE, TRUE, NULL);
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274
|
335 /* hev_caller is a manual-reset event, initially nonsignaled */
|
|
276
|
336 s->thread_data->hev_caller = CreateEvent (NULL, TRUE, FALSE, NULL);
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274
|
337 /* hev_unsleep is a manual-reset event, initially nonsignaled */
|
|
276
|
338 s->thread_data->hev_unsleep = CreateEvent (NULL, TRUE, FALSE, NULL);
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|
274
|
339
|
|
|
340 /* Now let it go */
|
|
276
|
341 ResumeThread (hthread);
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|
|
342 CloseHandle (hthread);
|
|
274
|
343
|
|
|
344 lstr->flags |= LSTREAM_FL_CLOSE_AT_DISKSAVE;
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|
|
345 XSETLSTREAM (obj, lstr);
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|
|
346 return obj;
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|
|
347 }
|
|
|
348
|
|
|
349 static LPARAM
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|
|
350 get_ntpipe_input_stream_param (Lstream *stream)
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|
|
351 {
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|
|
352 struct ntpipe_slurp_stream* s = NTPIPE_SLURP_STREAM_DATA(stream);
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|
353 return s->user_data;
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|
|
354 }
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|
|
355
|
|
|
356 static HANDLE
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|
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357 get_ntpipe_input_stream_waitable (Lstream *stream)
|
|
|
358 {
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|
|
359 struct ntpipe_slurp_stream* s = NTPIPE_SLURP_STREAM_DATA(stream);
|
|
276
|
360 return s->thread_data->hev_caller;
|
|
274
|
361 }
|
|
|
362
|
|
398
|
363 static ssize_t
|
|
274
|
364 ntpipe_slurp_reader (Lstream *stream, unsigned char *data, size_t size)
|
|
|
365 {
|
|
|
366 /* This function must be called from the main thread only */
|
|
398
|
367 struct ntpipe_slurp_stream_shared_data* s =
|
|
276
|
368 NTPIPE_SLURP_STREAM_DATA(stream)->thread_data;
|
|
274
|
369
|
|
|
370 if (!s->die_p)
|
|
|
371 {
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|
|
372 DWORD wait_result;
|
|
276
|
373 /* Disallow pipe read delay for the thread: we need a character
|
|
|
374 ASAP */
|
|
274
|
375 SetEvent (s->hev_unsleep);
|
|
398
|
376
|
|
276
|
377 /* Check if we have a character ready. Give it a short delay,
|
|
|
378 for the thread to awake from pipe delay, just ion case*/
|
|
274
|
379 wait_result = WaitForSingleObject (s->hev_caller, 2);
|
|
|
380
|
|
|
381 /* Revert to the normal sleep behavior. */
|
|
|
382 ResetEvent (s->hev_unsleep);
|
|
|
383
|
|
|
384 /* If there's no byte buffered yet, give up */
|
|
|
385 if (wait_result == WAIT_TIMEOUT)
|
|
|
386 {
|
|
|
387 errno = EAGAIN;
|
|
|
388 return -1;
|
|
|
389 }
|
|
|
390 }
|
|
|
391
|
|
|
392 /* Reset caller unlock event now, as we've handled the pending
|
|
|
393 process output event */
|
|
|
394 ResetEvent (s->hev_caller);
|
|
|
395
|
|
|
396 /* It is now safe to do anything with contents of S, except for
|
|
|
397 changing s->die_p, which still should be interlocked */
|
|
|
398
|
|
|
399 if (s->eof_p)
|
|
|
400 return 0;
|
|
|
401 if (s->error_p || s->die_p)
|
|
|
402 return -1;
|
|
|
403
|
|
276
|
404 /* Ok, there were no error neither eof - we've got a byte from the
|
|
|
405 pipe */
|
|
274
|
406 *(data++) = s->onebyte;
|
|
|
407 --size;
|
|
|
408
|
|
276
|
409 {
|
|
|
410 DWORD bytes_read = 0;
|
|
|
411 if (size > 0)
|
|
|
412 {
|
|
|
413 DWORD bytes_available;
|
|
274
|
414
|
|
276
|
415 /* If the api call fails, return at least one byte already
|
|
|
416 read. ReadFile in thread will return error */
|
|
|
417 if (PeekNamedPipe (s->hpipe, NULL, 0, NULL, &bytes_available, NULL))
|
|
|
418 {
|
|
274
|
419
|
|
276
|
420 /* Fetch available bytes. The same consideration applies,
|
|
|
421 so do not check for errors. ReadFile in the thread will
|
|
|
422 fail if the next call fails. */
|
|
|
423 if (bytes_available)
|
|
|
424 ReadFile (s->hpipe, data, min (bytes_available, size),
|
|
|
425 &bytes_read, NULL);
|
|
|
426 }
|
|
398
|
427
|
|
276
|
428 /* Now we can unblock thread, so it attempts to read more */
|
|
|
429 SetEvent (s->hev_thread);
|
|
|
430 return bytes_read + 1;
|
|
|
431 }
|
|
|
432 }
|
|
278
|
433 return 0;
|
|
274
|
434 }
|
|
|
435
|
|
398
|
436 static int
|
|
274
|
437 ntpipe_slurp_closer (Lstream *stream)
|
|
|
438 {
|
|
|
439 /* This function must be called from the main thread only */
|
|
398
|
440 struct ntpipe_slurp_stream_shared_data* s =
|
|
276
|
441 NTPIPE_SLURP_STREAM_DATA(stream)->thread_data;
|
|
274
|
442
|
|
|
443 /* Force thread to stop */
|
|
|
444 InterlockedIncrement (&s->die_p);
|
|
|
445
|
|
276
|
446 /* Set events which could possibly block slurper. Let it finish soon
|
|
|
447 or later. */
|
|
274
|
448 SetEvent (s->hev_unsleep);
|
|
|
449 SetEvent (s->hev_thread);
|
|
|
450
|
|
276
|
451 /* Unlock and maybe free shared data */
|
|
|
452 slurper_free_shared_data_maybe (s);
|
|
274
|
453
|
|
|
454 return 0;
|
|
|
455 }
|
|
|
456
|
|
|
457 static void
|
|
|
458 init_slurp_stream (void)
|
|
|
459 {
|
|
|
460 LSTREAM_HAS_METHOD (ntpipe_slurp, reader);
|
|
|
461 LSTREAM_HAS_METHOD (ntpipe_slurp, closer);
|
|
|
462 }
|
|
|
463
|
|
|
464 /************************************************************************/
|
|
|
465 /* Pipe outstream - writes process input */
|
|
|
466 /************************************************************************/
|
|
|
467
|
|
|
468 #define NTPIPE_SHOVE_STREAM_DATA(stream) \
|
|
|
469 LSTREAM_TYPE_DATA (stream, ntpipe_shove)
|
|
|
470
|
|
371
|
471 #define MAX_SHOVE_BUFFER_SIZE 128
|
|
398
|
472
|
|
274
|
473 struct ntpipe_shove_stream
|
|
|
474 {
|
|
|
475 LPARAM user_data; /* Any user data stored in the stream object */
|
|
|
476 HANDLE hev_thread; /* Our thread blocks on this, signaled by caller */
|
|
404
|
477 /* This is an auto-reset object. */
|
|
274
|
478 HANDLE hpipe; /* Pipe write end handle. */
|
|
|
479 HANDLE hthread; /* Reader thread handle. */
|
|
276
|
480 char buffer[MAX_SHOVE_BUFFER_SIZE]; /* Buffer being written */
|
|
274
|
481 DWORD size; /* Number of bytes to write */
|
|
276
|
482 LONG die_p; /* Thread must exit ASAP if non-zero */
|
|
|
483 LONG idle_p; /* Non-zero if thread is waiting for job */
|
|
274
|
484 BOOL error_p : 1; /* Read error other than EOF/broken pipe */
|
|
|
485 BOOL blocking_p : 1;/* Last write attempt would cause blocking */
|
|
|
486 };
|
|
|
487
|
|
|
488 DEFINE_LSTREAM_IMPLEMENTATION ("ntpipe-output", lstream_ntpipe_shove,
|
|
|
489 sizeof (struct ntpipe_shove_stream));
|
|
|
490
|
|
384
|
491 #ifndef HAVE_MSG_SELECT
|
|
274
|
492 static DWORD WINAPI
|
|
|
493 shove_thread (LPVOID vparam)
|
|
|
494 {
|
|
|
495 struct ntpipe_shove_stream *s = (struct ntpipe_shove_stream*) vparam;
|
|
|
496
|
|
|
497 for (;;)
|
|
|
498 {
|
|
398
|
499 DWORD bytes_written;
|
|
274
|
500
|
|
|
501 /* Block on event and wait for a job */
|
|
|
502 InterlockedIncrement (&s->idle_p);
|
|
|
503 WaitForSingleObject (s->hev_thread, INFINITE);
|
|
|
504
|
|
371
|
505 if (s->die_p)
|
|
|
506 break;
|
|
|
507
|
|
|
508 /* Write passed buffer */
|
|
|
509 if (!WriteFile (s->hpipe, s->buffer, s->size, &bytes_written, NULL)
|
|
|
510 || bytes_written != s->size)
|
|
274
|
511 {
|
|
371
|
512 s->error_p = TRUE;
|
|
|
513 InterlockedIncrement (&s->die_p);
|
|
274
|
514 }
|
|
|
515
|
|
|
516 if (s->die_p)
|
|
|
517 break;
|
|
|
518 }
|
|
|
519
|
|
|
520 return 0;
|
|
|
521 }
|
|
|
522
|
|
|
523 static Lisp_Object
|
|
|
524 make_ntpipe_output_stream (HANDLE hpipe, LPARAM param)
|
|
|
525 {
|
|
|
526 Lisp_Object obj;
|
|
|
527 Lstream *lstr = Lstream_new (lstream_ntpipe_shove, "w");
|
|
|
528 struct ntpipe_shove_stream* s = NTPIPE_SHOVE_STREAM_DATA (lstr);
|
|
|
529 DWORD thread_id_unused;
|
|
|
530
|
|
|
531 s->die_p = 0;
|
|
|
532 s->error_p = FALSE;
|
|
|
533 s->hpipe = hpipe;
|
|
|
534 s->user_data = param;
|
|
|
535
|
|
398
|
536 /* Create reader thread. This could fail, so do not
|
|
274
|
537 create the event until thread is created */
|
|
|
538 s->hthread = CreateThread (NULL, 0, shove_thread, (LPVOID)s,
|
|
|
539 CREATE_SUSPENDED, &thread_id_unused);
|
|
|
540 if (s->hthread == NULL)
|
|
|
541 {
|
|
|
542 Lstream_delete (lstr);
|
|
|
543 return Qnil;
|
|
|
544 }
|
|
|
545
|
|
|
546 /* hev_thread is an auto-reset event, initially nonsignaled */
|
|
|
547 s->hev_thread = CreateEvent (NULL, FALSE, FALSE, NULL);
|
|
|
548
|
|
|
549 /* Now let it go */
|
|
|
550 ResumeThread (s->hthread);
|
|
|
551
|
|
|
552 lstr->flags |= LSTREAM_FL_CLOSE_AT_DISKSAVE;
|
|
|
553 XSETLSTREAM (obj, lstr);
|
|
|
554 return obj;
|
|
|
555 }
|
|
|
556
|
|
|
557 static LPARAM
|
|
|
558 get_ntpipe_output_stream_param (Lstream *stream)
|
|
|
559 {
|
|
|
560 struct ntpipe_shove_stream* s = NTPIPE_SHOVE_STREAM_DATA(stream);
|
|
|
561 return s->user_data;
|
|
|
562 }
|
|
384
|
563 #endif
|
|
274
|
564
|
|
398
|
565 static ssize_t
|
|
274
|
566 ntpipe_shove_writer (Lstream *stream, const unsigned char *data, size_t size)
|
|
|
567 {
|
|
|
568 struct ntpipe_shove_stream* s = NTPIPE_SHOVE_STREAM_DATA(stream);
|
|
|
569
|
|
|
570 if (s->error_p)
|
|
|
571 return -1;
|
|
|
572
|
|
|
573 s->blocking_p = !s->idle_p;
|
|
|
574 if (s->blocking_p)
|
|
|
575 return 0;
|
|
|
576
|
|
276
|
577 if (size>MAX_SHOVE_BUFFER_SIZE)
|
|
|
578 return 0;
|
|
|
579
|
|
274
|
580 memcpy (s->buffer, data, size);
|
|
|
581 s->size = size;
|
|
|
582
|
|
|
583 /* Start output */
|
|
|
584 InterlockedDecrement (&s->idle_p);
|
|
|
585 SetEvent (s->hev_thread);
|
|
|
586 return size;
|
|
|
587 }
|
|
|
588
|
|
|
589 static int
|
|
|
590 ntpipe_shove_was_blocked_p (Lstream *stream)
|
|
|
591 {
|
|
|
592 struct ntpipe_shove_stream* s = NTPIPE_SHOVE_STREAM_DATA(stream);
|
|
|
593 return s->blocking_p;
|
|
|
594 }
|
|
|
595
|
|
|
596 static int
|
|
|
597 ntpipe_shove_closer (Lstream *stream)
|
|
|
598 {
|
|
|
599 struct ntpipe_shove_stream* s = NTPIPE_SHOVE_STREAM_DATA(stream);
|
|
|
600
|
|
|
601 /* Force thread stop */
|
|
|
602 InterlockedIncrement (&s->die_p);
|
|
|
603
|
|
371
|
604 /* Close pipe handle, possibly breaking it */
|
|
|
605 CloseHandle (s->hpipe);
|
|
|
606
|
|
|
607 /* Thread will end upon unblocking */
|
|
274
|
608 SetEvent (s->hev_thread);
|
|
|
609
|
|
|
610 /* Wait while thread terminates */
|
|
|
611 WaitForSingleObject (s->hthread, INFINITE);
|
|
|
612 CloseHandle (s->hthread);
|
|
|
613
|
|
|
614 /* Destroy the event */
|
|
|
615 CloseHandle (s->hev_thread);
|
|
|
616
|
|
|
617 return 0;
|
|
|
618 }
|
|
|
619
|
|
|
620 static void
|
|
|
621 init_shove_stream (void)
|
|
|
622 {
|
|
|
623 LSTREAM_HAS_METHOD (ntpipe_shove, writer);
|
|
|
624 LSTREAM_HAS_METHOD (ntpipe_shove, was_blocked_p);
|
|
|
625 LSTREAM_HAS_METHOD (ntpipe_shove, closer);
|
|
|
626 }
|
|
|
627
|
|
|
628 /************************************************************************/
|
|
282
|
629 /* Winsock I/O stream */
|
|
|
630 /************************************************************************/
|
|
|
631 #if defined (HAVE_SOCKETS) && !defined(HAVE_MSG_SELECT)
|
|
|
632
|
|
|
633 #define WINSOCK_READ_BUFFER_SIZE 1024
|
|
|
634
|
|
|
635 struct winsock_stream
|
|
|
636 {
|
|
|
637 LPARAM user_data; /* Any user data stored in the stream object */
|
|
|
638 SOCKET s; /* Socket handle (which is a Win32 handle) */
|
|
|
639 OVERLAPPED ov; /* Overlapped I/O structure */
|
|
|
640 void* buffer; /* Buffer. Allocated for input stream only */
|
|
400
|
641 unsigned long bufsize; /* Number of bytes last read */
|
|
|
642 unsigned long bufpos; /* Position in buffer for next fetch */
|
|
282
|
643 unsigned int error_p :1; /* I/O Error seen */
|
|
|
644 unsigned int eof_p :1; /* EOF Error seen */
|
|
|
645 unsigned int pending_p :1; /* There is a pending I/O operation */
|
|
|
646 unsigned int blocking_p :1; /* Last write attempt would block */
|
|
|
647 };
|
|
|
648
|
|
|
649 #define WINSOCK_STREAM_DATA(stream) LSTREAM_TYPE_DATA (stream, winsock)
|
|
|
650
|
|
|
651 DEFINE_LSTREAM_IMPLEMENTATION ("winsock", lstream_winsock,
|
|
|
652 sizeof (struct winsock_stream));
|
|
|
653
|
|
|
654 static void
|
|
|
655 winsock_initiate_read (struct winsock_stream *str)
|
|
|
656 {
|
|
|
657 ResetEvent (str->ov.hEvent);
|
|
|
658 str->bufpos = 0;
|
|
|
659
|
|
|
660 if (!ReadFile ((HANDLE)str->s, str->buffer, WINSOCK_READ_BUFFER_SIZE,
|
|
|
661 &str->bufsize, &str->ov))
|
|
|
662 {
|
|
|
663 if (GetLastError () == ERROR_IO_PENDING)
|
|
|
664 str->pending_p = 1;
|
|
|
665 else if (GetLastError () == ERROR_HANDLE_EOF)
|
|
|
666 str->eof_p = 1;
|
|
|
667 else
|
|
|
668 str->error_p = 1;
|
|
|
669 }
|
|
|
670 else if (str->bufsize == 0)
|
|
|
671 str->eof_p = 1;
|
|
|
672 }
|
|
|
673
|
|
398
|
674 static ssize_t
|
|
282
|
675 winsock_reader (Lstream *stream, unsigned char *data, size_t size)
|
|
|
676 {
|
|
|
677 struct winsock_stream *str = WINSOCK_STREAM_DATA (stream);
|
|
|
678
|
|
|
679 /* If the current operation is not yet complete, there's nothing to
|
|
|
680 give back */
|
|
|
681 if (str->pending_p)
|
|
|
682 {
|
|
|
683 if (WaitForSingleObject (str->ov.hEvent, 0) == WAIT_TIMEOUT)
|
|
|
684 {
|
|
|
685 errno = EAGAIN;
|
|
|
686 return -1;
|
|
|
687 }
|
|
|
688 else
|
|
|
689 {
|
|
|
690 if (!GetOverlappedResult ((HANDLE)str->s, &str->ov, &str->bufsize, TRUE))
|
|
|
691 {
|
|
|
692 if (GetLastError() == ERROR_HANDLE_EOF)
|
|
|
693 str->bufsize = 0;
|
|
|
694 else
|
|
|
695 str->error_p = 1;
|
|
|
696 }
|
|
|
697 if (str->bufsize == 0)
|
|
|
698 str->eof_p = 1;
|
|
|
699 str->pending_p = 0;
|
|
|
700 }
|
|
|
701 }
|
|
|
702
|
|
|
703 if (str->eof_p)
|
|
|
704 return 0;
|
|
|
705 if (str->error_p)
|
|
|
706 return -1;
|
|
398
|
707
|
|
282
|
708 /* Return as much of buffer as we have */
|
|
|
709 size = min (size, (size_t) (str->bufsize - str->bufpos));
|
|
|
710 memcpy (data, (void*)((BYTE*)str->buffer + str->bufpos), size);
|
|
|
711 str->bufpos += size;
|
|
|
712
|
|
|
713 /* Read more if buffer is exhausted */
|
|
|
714 if (str->bufsize == str->bufpos)
|
|
|
715 winsock_initiate_read (str);
|
|
|
716
|
|
|
717 return size;
|
|
|
718 }
|
|
|
719
|
|
398
|
720 static ssize_t
|
|
|
721 winsock_writer (Lstream *stream, const unsigned char *data, size_t size)
|
|
282
|
722 {
|
|
|
723 struct winsock_stream *str = WINSOCK_STREAM_DATA (stream);
|
|
|
724
|
|
|
725 if (str->pending_p)
|
|
|
726 {
|
|
|
727 if (WaitForSingleObject (str->ov.hEvent, 0) == WAIT_TIMEOUT)
|
|
|
728 {
|
|
|
729 str->blocking_p = 1;
|
|
|
730 return -1;
|
|
|
731 }
|
|
|
732 else
|
|
|
733 {
|
|
|
734 DWORD dw_unused;
|
|
|
735 if (!GetOverlappedResult ((HANDLE)str->s, &str->ov, &dw_unused, TRUE))
|
|
|
736 str->error_p = 1;
|
|
|
737 str->pending_p = 0;
|
|
|
738 }
|
|
|
739 }
|
|
|
740
|
|
|
741 str->blocking_p = 0;
|
|
|
742
|
|
|
743 if (str->error_p)
|
|
|
744 return -1;
|
|
|
745
|
|
|
746 if (size == 0)
|
|
|
747 return 0;
|
|
398
|
748
|
|
282
|
749 {
|
|
|
750 ResetEvent (str->ov.hEvent);
|
|
373
|
751
|
|
|
752 /* Docs indicate that 4th parameter to WriteFile can be NULL since this is
|
|
|
753 * an overlapped operation. This fails on Win95 with winsock 1.x so we
|
|
|
754 * supply a spare address which is ignored by Win95 anyway. Sheesh. */
|
|
|
755 if (WriteFile ((HANDLE)str->s, data, size, (LPDWORD)&str->buffer, &str->ov)
|
|
282
|
756 || GetLastError() == ERROR_IO_PENDING)
|
|
|
757 str->pending_p = 1;
|
|
|
758 else
|
|
|
759 str->error_p = 1;
|
|
|
760 }
|
|
|
761
|
|
|
762 return str->error_p ? -1 : size;
|
|
|
763 }
|
|
|
764
|
|
|
765 static int
|
|
|
766 winsock_closer (Lstream *lstr)
|
|
|
767 {
|
|
|
768 struct winsock_stream *str = WINSOCK_STREAM_DATA (lstr);
|
|
|
769
|
|
|
770 if (lstr->flags & LSTREAM_FL_READ)
|
|
|
771 shutdown (str->s, 0);
|
|
|
772 else
|
|
|
773 shutdown (str->s, 1);
|
|
|
774
|
|
|
775 CloseHandle ((HANDLE)str->s);
|
|
|
776 if (str->pending_p)
|
|
|
777 WaitForSingleObject (str->ov.hEvent, INFINITE);
|
|
|
778
|
|
|
779 if (lstr->flags & LSTREAM_FL_READ)
|
|
|
780 xfree (str->buffer);
|
|
|
781
|
|
|
782 CloseHandle (str->ov.hEvent);
|
|
|
783 return 0;
|
|
|
784 }
|
|
|
785
|
|
|
786 static int
|
|
|
787 winsock_was_blocked_p (Lstream *stream)
|
|
|
788 {
|
|
|
789 struct winsock_stream *str = WINSOCK_STREAM_DATA (stream);
|
|
|
790 return str->blocking_p;
|
|
|
791 }
|
|
|
792
|
|
|
793 static Lisp_Object
|
|
398
|
794 make_winsock_stream_1 (SOCKET s, LPARAM param, const char *mode)
|
|
282
|
795 {
|
|
|
796 Lisp_Object obj;
|
|
|
797 Lstream *lstr = Lstream_new (lstream_winsock, mode);
|
|
|
798 struct winsock_stream *str = WINSOCK_STREAM_DATA (lstr);
|
|
|
799
|
|
|
800 str->s = s;
|
|
|
801 str->blocking_p = 0;
|
|
|
802 str->error_p = 0;
|
|
|
803 str->eof_p = 0;
|
|
|
804 str->pending_p = 0;
|
|
|
805 str->user_data = param;
|
|
|
806
|
|
|
807 xzero (str->ov);
|
|
|
808 str->ov.hEvent = CreateEvent (NULL, TRUE, FALSE, NULL);
|
|
|
809
|
|
|
810 if (lstr->flags & LSTREAM_FL_READ)
|
|
|
811 {
|
|
|
812 str->buffer = xmalloc (WINSOCK_READ_BUFFER_SIZE);
|
|
|
813 winsock_initiate_read (str);
|
|
|
814 }
|
|
|
815
|
|
|
816 lstr->flags |= LSTREAM_FL_CLOSE_AT_DISKSAVE;
|
|
|
817 XSETLSTREAM (obj, lstr);
|
|
|
818 return obj;
|
|
|
819 }
|
|
|
820
|
|
|
821 static Lisp_Object
|
|
|
822 make_winsock_input_stream (SOCKET s, LPARAM param)
|
|
|
823 {
|
|
|
824 return make_winsock_stream_1 (s, param, "r");
|
|
|
825 }
|
|
|
826
|
|
|
827 static Lisp_Object
|
|
|
828 make_winsock_output_stream (SOCKET s, LPARAM param)
|
|
|
829 {
|
|
|
830 return make_winsock_stream_1 (s, param, "w");
|
|
|
831 }
|
|
|
832
|
|
|
833 static HANDLE
|
|
|
834 get_winsock_stream_waitable (Lstream *lstr)
|
|
|
835 {
|
|
|
836 struct winsock_stream *str = WINSOCK_STREAM_DATA (lstr);
|
|
|
837 return str->ov.hEvent;
|
|
|
838 }
|
|
|
839
|
|
|
840 static LPARAM
|
|
|
841 get_winsock_stream_param (Lstream *lstr)
|
|
|
842 {
|
|
|
843 struct winsock_stream *str = WINSOCK_STREAM_DATA (lstr);
|
|
|
844 return str->user_data;
|
|
|
845 }
|
|
|
846
|
|
|
847 static void
|
|
|
848 init_winsock_stream (void)
|
|
|
849 {
|
|
|
850 LSTREAM_HAS_METHOD (winsock, reader);
|
|
|
851 LSTREAM_HAS_METHOD (winsock, writer);
|
|
|
852 LSTREAM_HAS_METHOD (winsock, closer);
|
|
|
853 LSTREAM_HAS_METHOD (winsock, was_blocked_p);
|
|
|
854 }
|
|
|
855 #endif /* defined (HAVE_SOCKETS) */
|
|
|
856
|
|
|
857 /************************************************************************/
|
|
274
|
858 /* Dispatch queue management */
|
|
|
859 /************************************************************************/
|
|
227
|
860
|
|
223
|
861 static int
|
|
398
|
862 mswindows_user_event_p (Lisp_Event* sevt)
|
|
223
|
863 {
|
|
|
864 return (sevt->event_type == key_press_event
|
|
|
865 || sevt->event_type == button_press_event
|
|
288
|
866 || sevt->event_type == button_release_event
|
|
|
867 || sevt->event_type == misc_user_event);
|
|
223
|
868 }
|
|
|
869
|
|
398
|
870 /*
|
|
223
|
871 * Add an emacs event to the proper dispatch queue
|
|
219
|
872 */
|
|
276
|
873 static void
|
|
213
|
874 mswindows_enqueue_dispatch_event (Lisp_Object event)
|
|
|
875 {
|
|
223
|
876 int user_p = mswindows_user_event_p (XEVENT(event));
|
|
|
877 enqueue_event (event,
|
|
398
|
878 user_p ? &mswindows_u_dispatch_event_queue :
|
|
404
|
879 &mswindows_s_dispatch_event_queue,
|
|
223
|
880 user_p ? &mswindows_u_dispatch_event_queue_tail :
|
|
404
|
881 &mswindows_s_dispatch_event_queue_tail);
|
|
223
|
882
|
|
276
|
883 /* Avoid blocking on WaitMessage */
|
|
223
|
884 PostMessage (NULL, XM_BUMPQUEUE, 0, 0);
|
|
213
|
885 }
|
|
|
886
|
|
288
|
887 /*
|
|
|
888 * Add a misc-user event to the dispatch queue.
|
|
|
889 *
|
|
|
890 * Stuff it into our own dispatch queue, so we have something
|
|
|
891 * to return from next_event callback.
|
|
|
892 */
|
|
249
|
893 void
|
|
288
|
894 mswindows_enqueue_misc_user_event (Lisp_Object channel, Lisp_Object function,
|
|
|
895 Lisp_Object object)
|
|
276
|
896 {
|
|
288
|
897 Lisp_Object event = Fmake_event (Qnil, Qnil);
|
|
398
|
898 Lisp_Event* e = XEVENT (event);
|
|
276
|
899
|
|
288
|
900 e->event_type = misc_user_event;
|
|
|
901 e->channel = channel;
|
|
398
|
902 e->timestamp = GetTickCount ();
|
|
288
|
903 e->event.misc.function = function;
|
|
|
904 e->event.misc.object = object;
|
|
276
|
905
|
|
288
|
906 mswindows_enqueue_dispatch_event (event);
|
|
276
|
907 }
|
|
|
908
|
|
298
|
909 void
|
|
398
|
910 mswindows_enqueue_magic_event (HWND hwnd, UINT msg)
|
|
249
|
911 {
|
|
|
912 Lisp_Object emacs_event = Fmake_event (Qnil, Qnil);
|
|
398
|
913 Lisp_Event* event = XEVENT (emacs_event);
|
|
249
|
914
|
|
288
|
915 event->channel = hwnd ? mswindows_find_frame (hwnd) : Qnil;
|
|
249
|
916 event->timestamp = GetMessageTime();
|
|
|
917 event->event_type = magic_event;
|
|
398
|
918 EVENT_MSWINDOWS_MAGIC_TYPE (event) = msg;
|
|
249
|
919
|
|
|
920 mswindows_enqueue_dispatch_event (emacs_event);
|
|
|
921 }
|
|
|
922
|
|
|
923 static void
|
|
398
|
924 mswindows_enqueue_process_event (Lisp_Process* p)
|
|
274
|
925 {
|
|
|
926 Lisp_Object emacs_event = Fmake_event (Qnil, Qnil);
|
|
398
|
927 Lisp_Event* event = XEVENT (emacs_event);
|
|
274
|
928 Lisp_Object process;
|
|
|
929 XSETPROCESS (process, p);
|
|
|
930
|
|
|
931 event->event_type = process_event;
|
|
|
932 event->timestamp = GetTickCount ();
|
|
|
933 event->event.process.process = process;
|
|
|
934
|
|
|
935 mswindows_enqueue_dispatch_event (emacs_event);
|
|
|
936 }
|
|
|
937
|
|
|
938 static void
|
|
398
|
939 mswindows_enqueue_mouse_button_event (HWND hwnd, UINT msg, POINTS where, DWORD when)
|
|
249
|
940 {
|
|
|
941
|
|
|
942 /* We always use last message time, because mouse button
|
|
|
943 events may get delayed, and XEmacs double click
|
|
|
944 recognition will fail */
|
|
|
945
|
|
|
946 Lisp_Object emacs_event = Fmake_event (Qnil, Qnil);
|
|
398
|
947 Lisp_Event* event = XEVENT(emacs_event);
|
|
249
|
948
|
|
|
949 event->channel = mswindows_find_frame(hwnd);
|
|
|
950 event->timestamp = when;
|
|
|
951 event->event.button.button =
|
|
398
|
952 (msg==WM_LBUTTONDOWN || msg==WM_LBUTTONUP) ? 1 :
|
|
|
953 ((msg==WM_RBUTTONDOWN || msg==WM_RBUTTONUP) ? 3 : 2);
|
|
249
|
954 event->event.button.x = where.x;
|
|
|
955 event->event.button.y = where.y;
|
|
|
956 event->event.button.modifiers = mswindows_modifier_state (NULL, 0);
|
|
398
|
957
|
|
|
958 if (msg==WM_LBUTTONDOWN || msg==WM_MBUTTONDOWN ||
|
|
|
959 msg==WM_RBUTTONDOWN)
|
|
249
|
960 {
|
|
|
961 event->event_type = button_press_event;
|
|
|
962 SetCapture (hwnd);
|
|
384
|
963 /* we need this to make sure the main window regains the focus
|
|
|
964 from control subwindows */
|
|
|
965 if (GetFocus() != hwnd)
|
|
|
966 {
|
|
|
967 SetFocus (hwnd);
|
|
|
968 mswindows_enqueue_magic_event (hwnd, WM_SETFOCUS);
|
|
|
969 }
|
|
249
|
970 }
|
|
|
971 else
|
|
|
972 {
|
|
|
973 event->event_type = button_release_event;
|
|
|
974 ReleaseCapture ();
|
|
|
975 }
|
|
398
|
976
|
|
249
|
977 mswindows_enqueue_dispatch_event (emacs_event);
|
|
|
978 }
|
|
|
979
|
|
|
980 static void
|
|
|
981 mswindows_enqueue_keypress_event (HWND hwnd, Lisp_Object keysym, int mods)
|
|
|
982 {
|
|
|
983 Lisp_Object emacs_event = Fmake_event (Qnil, Qnil);
|
|
398
|
984 Lisp_Event* event = XEVENT(emacs_event);
|
|
249
|
985
|
|
|
986 event->channel = mswindows_find_console(hwnd);
|
|
|
987 event->timestamp = GetMessageTime();
|
|
|
988 event->event_type = key_press_event;
|
|
|
989 event->event.key.keysym = keysym;
|
|
|
990 event->event.key.modifiers = mods;
|
|
|
991 mswindows_enqueue_dispatch_event (emacs_event);
|
|
|
992 }
|
|
|
993
|
|
219
|
994 /*
|
|
223
|
995 * Remove and return the first emacs event on the dispatch queue.
|
|
|
996 * Give a preference to user events over non-user ones.
|
|
219
|
997 */
|
|
213
|
998 static Lisp_Object
|
|
404
|
999 mswindows_dequeue_dispatch_event (void)
|
|
213
|
1000 {
|
|
|
1001 Lisp_Object event;
|
|
398
|
1002 Lisp_Event* sevt;
|
|
223
|
1003
|
|
|
1004 assert (!NILP(mswindows_u_dispatch_event_queue) ||
|
|
|
1005 !NILP(mswindows_s_dispatch_event_queue));
|
|
|
1006
|
|
|
1007 event = dequeue_event (
|
|
404
|
1008 NILP(mswindows_u_dispatch_event_queue) ?
|
|
398
|
1009 &mswindows_s_dispatch_event_queue :
|
|
223
|
1010 &mswindows_u_dispatch_event_queue,
|
|
404
|
1011 NILP(mswindows_u_dispatch_event_queue) ?
|
|
223
|
1012 &mswindows_s_dispatch_event_queue_tail :
|
|
|
1013 &mswindows_u_dispatch_event_queue_tail);
|
|
|
1014
|
|
|
1015 sevt = XEVENT(event);
|
|
|
1016 if (sevt->event_type == key_press_event
|
|
|
1017 && (sevt->event.key.modifiers & FAKE_MOD_QUIT))
|
|
|
1018 {
|
|
|
1019 sevt->event.key.modifiers &= ~FAKE_MOD_QUIT;
|
|
|
1020 --mswindows_quit_chars_count;
|
|
|
1021 }
|
|
|
1022
|
|
213
|
1023 return event;
|
|
|
1024 }
|
|
|
1025
|
|
|
1026 /*
|
|
219
|
1027 * Remove and return the first emacs event on the dispatch queue that matches
|
|
384
|
1028 * the supplied event.
|
|
|
1029 * Timeout event matches if interval_id is equal to that of the given event.
|
|
223
|
1030 * Keypress event matches if logical AND between modifiers bitmask of the
|
|
384
|
1031 * event in the queue and that of the given event is non-zero.
|
|
|
1032 * For all other event types, this function aborts.
|
|
219
|
1033 */
|
|
223
|
1034
|
|
219
|
1035 Lisp_Object
|
|
398
|
1036 mswindows_cancel_dispatch_event (Lisp_Event *match)
|
|
219
|
1037 {
|
|
|
1038 Lisp_Object event;
|
|
384
|
1039 Lisp_Object previous_event = Qnil;
|
|
223
|
1040 int user_p = mswindows_user_event_p (match);
|
|
398
|
1041 Lisp_Object* head = user_p ? &mswindows_u_dispatch_event_queue :
|
|
404
|
1042 &mswindows_s_dispatch_event_queue;
|
|
398
|
1043 Lisp_Object* tail = user_p ? &mswindows_u_dispatch_event_queue_tail :
|
|
404
|
1044 &mswindows_s_dispatch_event_queue_tail;
|
|
219
|
1045
|
|
223
|
1046 assert (match->event_type == timeout_event
|
|
|
1047 || match->event_type == key_press_event);
|
|
219
|
1048
|
|
223
|
1049 EVENT_CHAIN_LOOP (event, *head)
|
|
|
1050 {
|
|
398
|
1051 Lisp_Event *e = XEVENT (event);
|
|
384
|
1052 if ((e->event_type == match->event_type) &&
|
|
|
1053 ((e->event_type == timeout_event) ?
|
|
|
1054 (e->event.timeout.interval_id == match->event.timeout.interval_id) :
|
|
|
1055 /* Must be key_press_event */
|
|
|
1056 ((e->event.key.modifiers & match->event.key.modifiers) != 0)))
|
|
223
|
1057 {
|
|
|
1058 if (NILP (previous_event))
|
|
|
1059 dequeue_event (head, tail);
|
|
|
1060 else
|
|
|
1061 {
|
|
|
1062 XSET_EVENT_NEXT (previous_event, XEVENT_NEXT (event));
|
|
|
1063 if (EQ (*tail, event))
|
|
|
1064 *tail = previous_event;
|
|
|
1065 }
|
|
398
|
1066
|
|
223
|
1067 return event;
|
|
|
1068 }
|
|
219
|
1069 previous_event = event;
|
|
223
|
1070 }
|
|
239
|
1071 return Qnil;
|
|
219
|
1072 }
|
|
274
|
1073
|
|
384
|
1074 #ifndef HAVE_MSG_SELECT
|
|
274
|
1075 /************************************************************************/
|
|
|
1076 /* Waitable handles manipulation */
|
|
|
1077 /************************************************************************/
|
|
|
1078 static int
|
|
|
1079 find_waitable_handle (HANDLE h)
|
|
|
1080 {
|
|
|
1081 int i;
|
|
|
1082 for (i = 0; i < mswindows_waitable_count; ++i)
|
|
|
1083 if (mswindows_waitable_handles[i] == h)
|
|
|
1084 return i;
|
|
219
|
1085
|
|
274
|
1086 return -1;
|
|
|
1087 }
|
|
249
|
1088
|
|
274
|
1089 static BOOL
|
|
|
1090 add_waitable_handle (HANDLE h)
|
|
|
1091 {
|
|
|
1092 assert (find_waitable_handle (h) < 0);
|
|
|
1093 if (mswindows_waitable_count == MAX_WAITABLE)
|
|
|
1094 return FALSE;
|
|
|
1095
|
|
|
1096 mswindows_waitable_handles [mswindows_waitable_count++] = h;
|
|
|
1097 return TRUE;
|
|
|
1098 }
|
|
|
1099
|
|
|
1100 static void
|
|
|
1101 remove_waitable_handle (HANDLE h)
|
|
|
1102 {
|
|
|
1103 int ix = find_waitable_handle (h);
|
|
|
1104 if (ix < 0)
|
|
|
1105 return;
|
|
|
1106
|
|
398
|
1107 mswindows_waitable_handles [ix] =
|
|
274
|
1108 mswindows_waitable_handles [--mswindows_waitable_count];
|
|
|
1109 }
|
|
384
|
1110 #endif /* HAVE_MSG_SELECT */
|
|
274
|
1111
|
|
|
1112
|
|
249
|
1113 /************************************************************************/
|
|
|
1114 /* Event pump */
|
|
|
1115 /************************************************************************/
|
|
|
1116
|
|
231
|
1117 static Lisp_Object
|
|
|
1118 mswindows_modal_loop_error_handler (Lisp_Object cons_sig_data,
|
|
|
1119 Lisp_Object u_n_u_s_e_d)
|
|
|
1120 {
|
|
|
1121 mswindows_error_caught_in_modal_loop = cons_sig_data;
|
|
|
1122 return Qunbound;
|
|
|
1123 }
|
|
|
1124
|
|
|
1125 Lisp_Object
|
|
|
1126 mswindows_protect_modal_loop (Lisp_Object (*bfun) (Lisp_Object barg),
|
|
|
1127 Lisp_Object barg)
|
|
|
1128 {
|
|
|
1129 Lisp_Object tmp;
|
|
|
1130
|
|
398
|
1131 ++mswindows_in_modal_loop;
|
|
231
|
1132 tmp = condition_case_1 (Qt,
|
|
|
1133 bfun, barg,
|
|
|
1134 mswindows_modal_loop_error_handler, Qnil);
|
|
|
1135 --mswindows_in_modal_loop;
|
|
|
1136
|
|
|
1137 return tmp;
|
|
|
1138 }
|
|
|
1139
|
|
|
1140 void
|
|
|
1141 mswindows_unmodalize_signal_maybe (void)
|
|
|
1142 {
|
|
|
1143 if (!NILP (mswindows_error_caught_in_modal_loop))
|
|
|
1144 {
|
|
|
1145 /* Got an error while messages were pumped while
|
|
|
1146 in window procedure - have to resignal */
|
|
|
1147 Lisp_Object sym = XCAR (mswindows_error_caught_in_modal_loop);
|
|
|
1148 Lisp_Object data = XCDR (mswindows_error_caught_in_modal_loop);
|
|
|
1149 mswindows_error_caught_in_modal_loop = Qnil;
|
|
|
1150 Fsignal (sym, data);
|
|
|
1151 }
|
|
|
1152 }
|
|
|
1153
|
|
219
|
1154 /*
|
|
398
|
1155 * This is an unsafe part of event pump, guarded by
|
|
227
|
1156 * condition_case. See mswindows_pump_outstanding_events
|
|
|
1157 */
|
|
|
1158 static Lisp_Object
|
|
|
1159 mswindows_unsafe_pump_events (Lisp_Object u_n_u_s_e_d)
|
|
|
1160 {
|
|
|
1161 /* This function can call lisp */
|
|
|
1162 Lisp_Object event = Fmake_event (Qnil, Qnil);
|
|
|
1163 struct gcpro gcpro1;
|
|
|
1164 int do_redisplay = 0;
|
|
|
1165 GCPRO1 (event);
|
|
|
1166
|
|
|
1167 while (detect_input_pending ())
|
|
|
1168 {
|
|
|
1169 Fnext_event (event, Qnil);
|
|
|
1170 Fdispatch_event (event);
|
|
|
1171 do_redisplay = 1;
|
|
|
1172 }
|
|
|
1173
|
|
|
1174 if (do_redisplay)
|
|
|
1175 redisplay ();
|
|
|
1176
|
|
|
1177 Fdeallocate_event (event);
|
|
|
1178 UNGCPRO;
|
|
398
|
1179
|
|
227
|
1180 /* Qt becomes return value of mswindows_pump_outstanding_events
|
|
|
1181 once we get here */
|
|
|
1182 return Qt;
|
|
|
1183 }
|
|
|
1184
|
|
|
1185 /*
|
|
|
1186 * This function pumps emacs events, while available, by using
|
|
|
1187 * next_message/dispatch_message loop. Errors are trapped around
|
|
|
1188 * the loop so the function always returns.
|
|
|
1189 *
|
|
|
1190 * Windows message queue is not looked into during the call,
|
|
|
1191 * neither are waitable handles checked. The function pumps
|
|
|
1192 * thus only dispatch events already queued, as well as those
|
|
|
1193 * resulted in dispatching thereof. This is done by setting
|
|
380
|
1194 * module local variable mswindows_in_modal_loop to nonzero.
|
|
227
|
1195 *
|
|
231
|
1196 * Return value is Qt if no errors was trapped, or Qunbound if
|
|
227
|
1197 * there was an error.
|
|
|
1198 *
|
|
|
1199 * In case of error, a cons representing the error, in the
|
|
|
1200 * form (SIGNAL . DATA), is stored in the module local variable
|
|
231
|
1201 * mswindows_error_caught_in_modal_loop. This error is signaled
|
|
227
|
1202 * again when DispatchMessage returns. Thus, Windows internal
|
|
|
1203 * modal loops are protected against throws, which are proven
|
|
|
1204 * to corrupt internal Windows structures.
|
|
|
1205 *
|
|
231
|
1206 * In case of success, mswindows_error_caught_in_modal_loop is
|
|
227
|
1207 * assigned Qnil.
|
|
|
1208 *
|
|
231
|
1209 * If the value of mswindows_error_caught_in_modal_loop is not
|
|
227
|
1210 * nil already upon entry, the function just returns non-nil.
|
|
|
1211 * This situation means that a new event has been queued while
|
|
380
|
1212 * in cancel mode. The event will be dequeued on the next regular
|
|
227
|
1213 * call of next-event; the pump is off since error is caught.
|
|
|
1214 * The caller must *unconditionally* cancel modal loop if the
|
|
|
1215 * value returned by this function is nil. Otherwise, everything
|
|
|
1216 * will become frozen until the modal loop exits under normal
|
|
|
1217 * condition (scrollbar drag is released, menu closed etc.)
|
|
|
1218 */
|
|
|
1219 Lisp_Object
|
|
|
1220 mswindows_pump_outstanding_events (void)
|
|
|
1221 {
|
|
|
1222 /* This function can call lisp */
|
|
|
1223
|
|
|
1224 Lisp_Object result = Qt;
|
|
249
|
1225 struct gcpro gcpro1;
|
|
|
1226 GCPRO1 (result);
|
|
398
|
1227
|
|
231
|
1228 if (NILP(mswindows_error_caught_in_modal_loop))
|
|
404
|
1229 result = mswindows_protect_modal_loop (mswindows_unsafe_pump_events, Qnil);
|
|
249
|
1230 UNGCPRO;
|
|
227
|
1231 return result;
|
|
|
1232 }
|
|
|
1233
|
|
398
|
1234 /*
|
|
|
1235 * KEYBOARD_ONLY_P is set to non-zero when we are called from
|
|
|
1236 * QUITP, and are interesting in keyboard messages only.
|
|
|
1237 */
|
|
|
1238 static void
|
|
404
|
1239 mswindows_drain_windows_queue (void)
|
|
223
|
1240 {
|
|
|
1241 MSG msg;
|
|
398
|
1242
|
|
|
1243 /* should call mswindows_need_event_in_modal_loop() if in modal loop */
|
|
|
1244 assert (!mswindows_in_modal_loop);
|
|
|
1245
|
|
223
|
1246 while (PeekMessage (&msg, NULL, 0, 0, PM_REMOVE))
|
|
227
|
1247 {
|
|
398
|
1248 /* We have to translate messages that are not sent to the main
|
|
|
1249 window. This is so that key presses work ok in things like
|
|
|
1250 edit fields. However, we *musn't* translate message for the
|
|
404
|
1251 main window as this is handled in the wnd proc.
|
|
|
1252 We also have to avoid generating paint magic events for windows
|
|
|
1253 that aren't XEmacs frames */
|
|
|
1254 if (GetWindowLong (msg.hwnd, GWL_STYLE) & (WS_CHILD|WS_POPUP))
|
|
384
|
1255 {
|
|
|
1256 TranslateMessage (&msg);
|
|
|
1257 }
|
|
398
|
1258 else if (msg.message == WM_PAINT)
|
|
|
1259 {
|
|
404
|
1260 struct mswindows_frame* msframe;
|
|
|
1261
|
|
398
|
1262 /* hdc will be NULL unless this is a subwindow - in which case we
|
|
|
1263 shouldn't have received a paint message for it here. */
|
|
|
1264 assert (msg.wParam == 0);
|
|
|
1265
|
|
400
|
1266 /* Queue a magic event for handling when safe */
|
|
404
|
1267 msframe = FRAME_MSWINDOWS_DATA (
|
|
|
1268 XFRAME (mswindows_find_frame (msg.hwnd)));
|
|
|
1269 if (!msframe->paint_pending)
|
|
|
1270 {
|
|
|
1271 msframe->paint_pending = 1;
|
|
|
1272 mswindows_enqueue_magic_event (msg.hwnd, WM_PAINT);
|
|
|
1273 }
|
|
398
|
1274 /* Don't dispatch. WM_PAINT is always the last message in the
|
|
|
1275 queue so it's OK to just return. */
|
|
|
1276 return;
|
|
|
1277 }
|
|
227
|
1278 DispatchMessage (&msg);
|
|
231
|
1279 mswindows_unmodalize_signal_maybe ();
|
|
227
|
1280 }
|
|
|
1281 }
|
|
|
1282
|
|
398
|
1283 /*
|
|
380
|
1284 * This is a special flavor of the mswindows_need_event function,
|
|
227
|
1285 * used while in event pump. Actually, there is only kind of events
|
|
|
1286 * allowed while in event pump: a timer. An attempt to fetch any
|
|
380
|
1287 * other event leads to a deadlock, as there's no source of user input
|
|
227
|
1288 * ('cause event pump mirrors windows modal loop, which is a sole
|
|
|
1289 * owner of thread message queue).
|
|
|
1290 *
|
|
|
1291 * To detect this, we use a counter of active timers, and allow
|
|
|
1292 * fetching WM_TIMER messages. Instead of trying to fetch a WM_TIMER
|
|
|
1293 * which will never come when there are no pending timers, which leads
|
|
|
1294 * to deadlock, we simply signal an error.
|
|
|
1295 */
|
|
|
1296 static void
|
|
274
|
1297 mswindows_need_event_in_modal_loop (int badly_p)
|
|
227
|
1298 {
|
|
|
1299 MSG msg;
|
|
|
1300
|
|
|
1301 /* Check if already have one */
|
|
|
1302 if (!NILP (mswindows_u_dispatch_event_queue)
|
|
|
1303 || !NILP (mswindows_s_dispatch_event_queue))
|
|
|
1304 return;
|
|
|
1305
|
|
|
1306 /* No event is ok */
|
|
|
1307 if (!badly_p)
|
|
|
1308 return;
|
|
|
1309
|
|
|
1310 /* We do not check the _u_ queue, because timers go to _s_ */
|
|
|
1311 while (NILP (mswindows_s_dispatch_event_queue))
|
|
|
1312 {
|
|
|
1313 /* We'll deadlock if go waiting */
|
|
|
1314 if (mswindows_pending_timers_count == 0)
|
|
|
1315 error ("Deadlock due to an attempt to call next-event in a wrong context");
|
|
398
|
1316
|
|
227
|
1317 /* Fetch and dispatch any pending timers */
|
|
|
1318 GetMessage (&msg, NULL, WM_TIMER, WM_TIMER);
|
|
|
1319 DispatchMessage (&msg);
|
|
|
1320 }
|
|
223
|
1321 }
|
|
|
1322
|
|
|
1323 /*
|
|
|
1324 * This drains the event queue and fills up two internal queues until
|
|
|
1325 * an event of a type specified by USER_P is retrieved.
|
|
|
1326 *
|
|
|
1327 *
|
|
|
1328 * Used by emacs_mswindows_event_pending_p and emacs_mswindows_next_event
|
|
|
1329 */
|
|
|
1330 static void
|
|
274
|
1331 mswindows_need_event (int badly_p)
|
|
223
|
1332 {
|
|
|
1333 int active;
|
|
|
1334
|
|
231
|
1335 if (mswindows_in_modal_loop)
|
|
227
|
1336 {
|
|
274
|
1337 mswindows_need_event_in_modal_loop (badly_p);
|
|
227
|
1338 return;
|
|
|
1339 }
|
|
|
1340
|
|
274
|
1341 while (NILP (mswindows_u_dispatch_event_queue)
|
|
|
1342 && NILP (mswindows_s_dispatch_event_queue))
|
|
278
|
1343 {
|
|
|
1344 #ifdef HAVE_MSG_SELECT
|
|
|
1345 int i;
|
|
|
1346 SELECT_TYPE temp_mask = input_wait_mask;
|
|
|
1347 EMACS_TIME sometime;
|
|
|
1348 EMACS_SELECT_TIME select_time_to_block, *pointer_to_this;
|
|
398
|
1349
|
|
278
|
1350 if (badly_p)
|
|
|
1351 pointer_to_this = 0;
|
|
|
1352 else
|
|
|
1353 {
|
|
|
1354 EMACS_SET_SECS_USECS (sometime, 0, 0);
|
|
|
1355 EMACS_TIME_TO_SELECT_TIME (sometime, select_time_to_block);
|
|
|
1356 pointer_to_this = &select_time_to_block;
|
|
|
1357 }
|
|
373
|
1358
|
|
278
|
1359 active = select (MAXDESC, &temp_mask, 0, 0, pointer_to_this);
|
|
398
|
1360
|
|
278
|
1361 if (active == 0)
|
|
|
1362 {
|
|
398
|
1363 assert (!badly_p);
|
|
278
|
1364 return; /* timeout */
|
|
|
1365 }
|
|
|
1366 else if (active > 0)
|
|
|
1367 {
|
|
|
1368 if (FD_ISSET (windows_fd, &temp_mask))
|
|
|
1369 {
|
|
|
1370 mswindows_drain_windows_queue ();
|
|
|
1371 }
|
|
404
|
1372 else
|
|
392
|
1373 {
|
|
404
|
1374 #ifdef HAVE_TTY
|
|
|
1375 /* Look for a TTY event */
|
|
|
1376 for (i = 0; i < MAXDESC-1; i++)
|
|
392
|
1377 {
|
|
404
|
1378 /* To avoid race conditions (among other things, an infinite
|
|
|
1379 loop when called from Fdiscard_input()), we must return
|
|
|
1380 user events ahead of process events. */
|
|
|
1381 if (FD_ISSET (i, &temp_mask) && FD_ISSET (i, &tty_only_mask))
|
|
392
|
1382 {
|
|
404
|
1383 struct console *c = tty_find_console_from_fd (i);
|
|
|
1384 Lisp_Object emacs_event = Fmake_event (Qnil, Qnil);
|
|
|
1385 Lisp_Event* event = XEVENT (emacs_event);
|
|
|
1386
|
|
|
1387 assert (c);
|
|
|
1388 if (read_event_from_tty_or_stream_desc (event, c, i))
|
|
|
1389 {
|
|
|
1390 mswindows_enqueue_dispatch_event (emacs_event);
|
|
|
1391 return;
|
|
|
1392 }
|
|
392
|
1393 }
|
|
|
1394 }
|
|
|
1395 #endif
|
|
404
|
1396 /* Look for a process event */
|
|
|
1397 for (i = 0; i < MAXDESC-1; i++)
|
|
278
|
1398 {
|
|
404
|
1399 if (FD_ISSET (i, &temp_mask))
|
|
278
|
1400 {
|
|
404
|
1401 if (FD_ISSET (i, &process_only_mask))
|
|
|
1402 {
|
|
|
1403 Lisp_Process *p =
|
|
|
1404 get_process_from_usid (FD_TO_USID(i));
|
|
|
1405
|
|
|
1406 mswindows_enqueue_process_event (p);
|
|
|
1407 }
|
|
|
1408 else
|
|
|
1409 {
|
|
|
1410 /* We might get here when a fake event came
|
|
|
1411 through a signal. Return a dummy event, so
|
|
|
1412 that a cycle of the command loop will
|
|
|
1413 occur. */
|
|
|
1414 drain_signal_event_pipe ();
|
|
|
1415 mswindows_enqueue_magic_event (NULL, XM_BUMPQUEUE);
|
|
|
1416 }
|
|
278
|
1417 }
|
|
|
1418 }
|
|
|
1419 }
|
|
|
1420 }
|
|
|
1421 else if (active==-1)
|
|
|
1422 {
|
|
|
1423 if (errno != EINTR)
|
|
|
1424 {
|
|
380
|
1425 /* something bad happened */
|
|
278
|
1426 assert(0);
|
|
|
1427 }
|
|
|
1428 }
|
|
|
1429 else
|
|
|
1430 {
|
|
|
1431 assert(0);
|
|
|
1432 }
|
|
|
1433 #else
|
|
|
1434 /* Now try getting a message or process event */
|
|
404
|
1435 active = MsgWaitForMultipleObjects (mswindows_waitable_count,
|
|
|
1436 mswindows_waitable_handles,
|
|
|
1437 FALSE, badly_p ? INFINITE : 0,
|
|
|
1438 QS_ALLINPUT);
|
|
|
1439
|
|
|
1440 /* This will assert if handle being waited for becomes abandoned.
|
|
|
1441 Not the case currently tho */
|
|
|
1442 assert ((!badly_p && active == WAIT_TIMEOUT) ||
|
|
|
1443 (active >= WAIT_OBJECT_0 &&
|
|
|
1444 active <= WAIT_OBJECT_0 + mswindows_waitable_count));
|
|
|
1445
|
|
|
1446 if (active == WAIT_TIMEOUT)
|
|
|
1447 {
|
|
|
1448 /* No luck trying - just return what we've already got */
|
|
|
1449 return;
|
|
|
1450 }
|
|
|
1451 else if (active == WAIT_OBJECT_0 + mswindows_waitable_count)
|
|
|
1452 {
|
|
|
1453 /* Got your message, thanks */
|
|
|
1454 mswindows_drain_windows_queue ();
|
|
|
1455 }
|
|
|
1456 else
|
|
|
1457 {
|
|
|
1458 int ix = active - WAIT_OBJECT_0;
|
|
|
1459 /* First, try to find which process' output has signaled */
|
|
|
1460 Lisp_Process *p =
|
|
|
1461 get_process_from_usid (HANDLE_TO_USID (mswindows_waitable_handles[ix]));
|
|
|
1462 if (p != NULL)
|
|
|
1463 {
|
|
|
1464 /* Found a signaled process input handle */
|
|
|
1465 mswindows_enqueue_process_event (p);
|
|
|
1466 }
|
|
|
1467 else
|
|
|
1468 {
|
|
|
1469 /* None. This means that the process handle itself has signaled.
|
|
|
1470 Remove the handle from the wait vector, and make status_notify
|
|
|
1471 note the exited process */
|
|
|
1472 mswindows_waitable_handles [ix] =
|
|
|
1473 mswindows_waitable_handles [--mswindows_waitable_count];
|
|
|
1474 kick_status_notify ();
|
|
|
1475 /* Have to return something: there may be no accompanying
|
|
|
1476 process event */
|
|
|
1477 mswindows_enqueue_magic_event (NULL, XM_BUMPQUEUE);
|
|
|
1478 }
|
|
|
1479 }
|
|
278
|
1480 #endif
|
|
404
|
1481 } /* while */
|
|
223
|
1482 }
|
|
|
1483
|
|
249
|
1484 /************************************************************************/
|
|
|
1485 /* Event generators */
|
|
|
1486 /************************************************************************/
|
|
|
1487
|
|
398
|
1488 /*
|
|
249
|
1489 * Callback procedure for synchronous timer messages
|
|
|
1490 */
|
|
|
1491 static void CALLBACK
|
|
|
1492 mswindows_wm_timer_callback (HWND hwnd, UINT umsg, UINT id_timer, DWORD dwtime)
|
|
|
1493 {
|
|
|
1494 Lisp_Object emacs_event = Fmake_event (Qnil, Qnil);
|
|
398
|
1495 Lisp_Event *event = XEVENT (emacs_event);
|
|
249
|
1496
|
|
|
1497 if (KillTimer (NULL, id_timer))
|
|
|
1498 --mswindows_pending_timers_count;
|
|
|
1499
|
|
|
1500 event->channel = Qnil;
|
|
|
1501 event->timestamp = dwtime;
|
|
|
1502 event->event_type = timeout_event;
|
|
|
1503 event->event.timeout.interval_id = id_timer;
|
|
382
|
1504 event->event.timeout.function = Qnil;
|
|
|
1505 event->event.timeout.object = Qnil;
|
|
249
|
1506
|
|
|
1507 mswindows_enqueue_dispatch_event (emacs_event);
|
|
|
1508 }
|
|
|
1509
|
|
398
|
1510 /*
|
|
249
|
1511 * Callback procedure for dde messages
|
|
284
|
1512 *
|
|
|
1513 * We execute a dde Open("file") by simulating a file drop, so dde support
|
|
|
1514 * depends on dnd support.
|
|
249
|
1515 */
|
|
284
|
1516 #ifdef HAVE_DRAGNDROP
|
|
249
|
1517 HDDEDATA CALLBACK
|
|
|
1518 mswindows_dde_callback (UINT uType, UINT uFmt, HCONV hconv,
|
|
|
1519 HSZ hszTopic, HSZ hszItem, HDDEDATA hdata,
|
|
|
1520 DWORD dwData1, DWORD dwData2)
|
|
398
|
1521 {
|
|
249
|
1522 switch (uType)
|
|
398
|
1523 {
|
|
249
|
1524 case XTYP_CONNECT:
|
|
|
1525 if (!DdeCmpStringHandles (hszTopic, mswindows_dde_topic_system))
|
|
|
1526 return (HDDEDATA)TRUE;
|
|
|
1527 return (HDDEDATA)FALSE;
|
|
|
1528
|
|
|
1529 case XTYP_WILDCONNECT:
|
|
|
1530 {
|
|
|
1531 /* We only support one {service,topic} pair */
|
|
|
1532 HSZPAIR pairs[2] = {
|
|
|
1533 { mswindows_dde_service, mswindows_dde_topic_system }, { 0, 0 } };
|
|
|
1534
|
|
|
1535 if (!(hszItem || DdeCmpStringHandles (hszItem, mswindows_dde_service)) &&
|
|
400
|
1536 !(hszTopic || DdeCmpStringHandles (hszTopic, mswindows_dde_topic_system)))
|
|
249
|
1537 return (DdeCreateDataHandle (mswindows_dde_mlid, (LPBYTE)pairs,
|
|
|
1538 sizeof (pairs), 0L, 0, uFmt, 0));
|
|
|
1539 }
|
|
398
|
1540 return (HDDEDATA)NULL;
|
|
249
|
1541
|
|
|
1542 case XTYP_EXECUTE:
|
|
|
1543 if (!DdeCmpStringHandles (hszTopic, mswindows_dde_topic_system))
|
|
|
1544 {
|
|
|
1545 DWORD len = DdeGetData (hdata, NULL, 0, 0);
|
|
400
|
1546 LPBYTE cmd = (LPBYTE) alloca (len+1);
|
|
249
|
1547 char *end;
|
|
282
|
1548 char *filename;
|
|
|
1549 struct gcpro gcpro1, gcpro2;
|
|
|
1550 Lisp_Object l_dndlist = Qnil;
|
|
249
|
1551 Lisp_Object emacs_event = Fmake_event (Qnil, Qnil);
|
|
284
|
1552 Lisp_Object frmcons, devcons, concons;
|
|
398
|
1553 Lisp_Event *event = XEVENT (emacs_event);
|
|
249
|
1554
|
|
|
1555 DdeGetData (hdata, cmd, len, 0);
|
|
|
1556 cmd[len] = '\0';
|
|
|
1557 DdeFreeDataHandle (hdata);
|
|
|
1558
|
|
282
|
1559 /* Check syntax & that it's an [Open("foo")] command, which we
|
|
|
1560 * treat like a file drop */
|
|
249
|
1561 /* #### Ought to be generalised and accept some other commands */
|
|
|
1562 if (*cmd == '[')
|
|
|
1563 cmd++;
|
|
|
1564 if (strnicmp (cmd, MSWINDOWS_DDE_ITEM_OPEN,
|
|
|
1565 strlen (MSWINDOWS_DDE_ITEM_OPEN)))
|
|
|
1566 return DDE_FNOTPROCESSED;
|
|
|
1567 cmd += strlen (MSWINDOWS_DDE_ITEM_OPEN);
|
|
|
1568 while (*cmd==' ')
|
|
|
1569 cmd++;
|
|
|
1570 if (*cmd!='(' || *(cmd+1)!='\"')
|
|
|
1571 return DDE_FNOTPROCESSED;
|
|
|
1572 end = (cmd+=2);
|
|
|
1573 while (*end && *end!='\"')
|
|
|
1574 end++;
|
|
|
1575 if (!*end)
|
|
|
1576 return DDE_FNOTPROCESSED;
|
|
|
1577 *end = '\0';
|
|
|
1578 if (*(++end)!=')')
|
|
|
1579 return DDE_FNOTPROCESSED;
|
|
|
1580 if (*(++end)==']')
|
|
|
1581 end++;
|
|
|
1582 if (*end)
|
|
|
1583 return DDE_FNOTPROCESSED;
|
|
282
|
1584
|
|
259
|
1585 #ifdef __CYGWIN32__
|
|
282
|
1586 filename = alloca (cygwin32_win32_to_posix_path_list_buf_size (cmd) + 5);
|
|
|
1587 strcpy (filename, "file:");
|
|
|
1588 cygwin32_win32_to_posix_path_list (cmd, filename+5);
|
|
|
1589 #else
|
|
|
1590 dostounix_filename (cmd);
|
|
|
1591 filename = alloca (strlen (cmd)+6);
|
|
|
1592 strcpy (filename, "file:");
|
|
|
1593 strcat (filename, cmd);
|
|
259
|
1594 #endif
|
|
282
|
1595 GCPRO2 (emacs_event, l_dndlist);
|
|
|
1596 l_dndlist = make_string (filename, strlen (filename));
|
|
249
|
1597
|
|
284
|
1598 /* Find a mswindows frame */
|
|
249
|
1599 event->channel = Qnil;
|
|
284
|
1600 FRAME_LOOP_NO_BREAK (frmcons, devcons, concons)
|
|
|
1601 {
|
|
|
1602 Lisp_Object frame = XCAR (frmcons);
|
|
|
1603 if (FRAME_TYPE_P (XFRAME (frame), mswindows))
|
|
|
1604 event->channel = frame;
|
|
|
1605 };
|
|
|
1606 assert (!NILP (event->channel));
|
|
|
1607
|
|
249
|
1608 event->timestamp = GetTickCount();
|
|
282
|
1609 event->event_type = misc_user_event;
|
|
|
1610 event->event.misc.button = 1;
|
|
|
1611 event->event.misc.modifiers = 0;
|
|
|
1612 event->event.misc.x = -1;
|
|
|
1613 event->event.misc.y = -1;
|
|
|
1614 event->event.misc.function = Qdragdrop_drop_dispatch;
|
|
|
1615 event->event.misc.object = Fcons (Qdragdrop_URL,
|
|
|
1616 Fcons (l_dndlist, Qnil));
|
|
249
|
1617 mswindows_enqueue_dispatch_event (emacs_event);
|
|
282
|
1618 UNGCPRO;
|
|
249
|
1619 return (HDDEDATA) DDE_FACK;
|
|
|
1620 }
|
|
398
|
1621 DdeFreeDataHandle (hdata);
|
|
249
|
1622 return (HDDEDATA) DDE_FNOTPROCESSED;
|
|
282
|
1623
|
|
398
|
1624 default:
|
|
|
1625 return (HDDEDATA) NULL;
|
|
|
1626 }
|
|
249
|
1627 }
|
|
284
|
1628 #endif
|
|
249
|
1629
|
|
|
1630 /*
|
|
398
|
1631 * Helper to do repainting - repaints can happen both from the windows
|
|
|
1632 * procedure and from magic events
|
|
|
1633 */
|
|
404
|
1634 static void
|
|
398
|
1635 mswindows_handle_paint (struct frame *frame)
|
|
404
|
1636 {
|
|
|
1637 HWND hwnd = FRAME_MSWINDOWS_HANDLE (frame);
|
|
|
1638
|
|
|
1639 /* According to the docs we need to check GetUpdateRect() before
|
|
|
1640 actually doing a WM_PAINT */
|
|
|
1641 if (GetUpdateRect (hwnd, NULL, FALSE))
|
|
|
1642 {
|
|
|
1643 PAINTSTRUCT paintStruct;
|
|
|
1644 int x, y, width, height;
|
|
|
1645
|
|
|
1646 BeginPaint (hwnd, &paintStruct);
|
|
|
1647 x = paintStruct.rcPaint.left;
|
|
|
1648 y = paintStruct.rcPaint.top;
|
|
|
1649 width = paintStruct.rcPaint.right - paintStruct.rcPaint.left;
|
|
|
1650 height = paintStruct.rcPaint.bottom - paintStruct.rcPaint.top;
|
|
|
1651 /* Normally we want to ignore expose events when child
|
|
|
1652 windows are unmapped, however once we are in the guts of
|
|
|
1653 WM_PAINT we need to make sure that we don't register
|
|
|
1654 unmaps then because they will not actually occur. */
|
|
|
1655 if (!check_for_ignored_expose (frame, x, y, width, height))
|
|
|
1656 {
|
|
|
1657 hold_ignored_expose_registration = 1;
|
|
|
1658 mswindows_redraw_exposed_area (frame, x, y, width, height);
|
|
|
1659 hold_ignored_expose_registration = 0;
|
|
|
1660 }
|
|
|
1661 EndPaint (hwnd, &paintStruct);
|
|
|
1662 }
|
|
|
1663 }
|
|
398
|
1664
|
|
|
1665 /*
|
|
|
1666 * Returns 1 if a key is a real modifier or special key, which
|
|
|
1667 * is better handled by DefWindowProc
|
|
|
1668 */
|
|
|
1669 static int
|
|
|
1670 key_needs_default_processing_p (UINT vkey)
|
|
|
1671 {
|
|
404
|
1672 if (mswindows_alt_by_itself_activates_menu && vkey == VK_MENU)
|
|
398
|
1673 return 1;
|
|
|
1674
|
|
|
1675 return 0;
|
|
|
1676 }
|
|
|
1677
|
|
|
1678 /*
|
|
249
|
1679 * The windows procedure for the window class XEMACS_CLASS
|
|
|
1680 */
|
|
|
1681 LRESULT WINAPI
|
|
|
1682 mswindows_wnd_proc(HWND hwnd, UINT message, WPARAM wParam, LPARAM lParam)
|
|
|
1683 {
|
|
380
|
1684 /* Note: Remember to initialize emacs_event and event before use.
|
|
249
|
1685 This code calls code that can GC. You must GCPRO before calling such code. */
|
|
|
1686 Lisp_Object emacs_event = Qnil;
|
|
|
1687 Lisp_Object fobj = Qnil;
|
|
|
1688
|
|
398
|
1689 Lisp_Event *event;
|
|
249
|
1690 struct frame *frame;
|
|
|
1691 struct mswindows_frame* msframe;
|
|
|
1692
|
|
404
|
1693 assert (!GetWindowLong (hwnd, GWL_USERDATA));
|
|
249
|
1694 switch (message)
|
|
|
1695 {
|
|
404
|
1696 case WM_DESTROYCLIPBOARD:
|
|
|
1697 /* We own the clipboard and someone else wants it. Delete our
|
|
|
1698 cached copy of the clipboard contents so we'll ask for it from
|
|
|
1699 Windows again when someone does a paste. */
|
|
|
1700 handle_selection_clear(QCLIPBOARD);
|
|
|
1701 break;
|
|
|
1702
|
|
|
1703 case WM_ERASEBKGND:
|
|
|
1704 /* Erase background only during non-dynamic sizing */
|
|
|
1705 msframe = FRAME_MSWINDOWS_DATA (XFRAME (mswindows_find_frame (hwnd)));
|
|
|
1706 if (msframe->sizing && !mswindows_dynamic_frame_resize)
|
|
|
1707 goto defproc;
|
|
|
1708 return 1;
|
|
|
1709
|
|
|
1710 case WM_CLOSE:
|
|
|
1711 fobj = mswindows_find_frame (hwnd);
|
|
|
1712 mswindows_enqueue_misc_user_event (fobj, Qeval, list3 (Qdelete_frame, fobj, Qt));
|
|
398
|
1713 break;
|
|
249
|
1714
|
|
404
|
1715 case WM_KEYUP:
|
|
|
1716 case WM_SYSKEYUP:
|
|
|
1717 /* See Win95 comment under WM_KEYDOWN */
|
|
249
|
1718 {
|
|
404
|
1719 BYTE keymap[256];
|
|
|
1720 int should_set_keymap = 0;
|
|
|
1721
|
|
|
1722 if (wParam == VK_CONTROL)
|
|
249
|
1723 {
|
|
404
|
1724 GetKeyboardState (keymap);
|
|
|
1725 keymap [(lParam & 0x1000000) ? VK_RCONTROL : VK_LCONTROL] &= ~0x80;
|
|
|
1726 should_set_keymap = 1;
|
|
249
|
1727 }
|
|
404
|
1728 else if (wParam == VK_MENU)
|
|
249
|
1729 {
|
|
404
|
1730 GetKeyboardState (keymap);
|
|
|
1731 keymap [(lParam & 0x1000000) ? VK_RMENU : VK_LMENU] &= ~0x80;
|
|
|
1732 should_set_keymap = 1;
|
|
249
|
1733 }
|
|
404
|
1734
|
|
|
1735 if (should_set_keymap
|
|
|
1736 && (message != WM_SYSKEYUP
|
|
|
1737 || NILP (Vmenu_accelerator_enabled)))
|
|
|
1738 SetKeyboardState (keymap);
|
|
|
1739
|
|
249
|
1740 }
|
|
404
|
1741 if (key_needs_default_processing_p (wParam))
|
|
|
1742 goto defproc;
|
|
|
1743 else
|
|
|
1744 break;
|
|
|
1745
|
|
|
1746 case WM_KEYDOWN:
|
|
|
1747 case WM_SYSKEYDOWN:
|
|
|
1748 /* In some locales the right-hand Alt key is labelled AltGr. This key
|
|
|
1749 * should produce alternative charcaters when combined with another key.
|
|
|
1750 * eg on a German keyboard pressing AltGr+q should produce '@'.
|
|
|
1751 * AltGr generates exactly the same keystrokes as LCtrl+RAlt. But if
|
|
|
1752 * TranslateMessage() is called with *any* combination of Ctrl+Alt down,
|
|
|
1753 * it translates as if AltGr were down.
|
|
|
1754 * We get round this by removing all modifiers from the keymap before
|
|
|
1755 * calling TranslateMessage() unless AltGr is *really* down. */
|
|
249
|
1756 {
|
|
404
|
1757 BYTE keymap[256];
|
|
|
1758 int has_AltGr = mswindows_current_layout_has_AltGr ();
|
|
|
1759 int mods;
|
|
|
1760 int extendedp = lParam & 0x1000000;
|
|
|
1761 Lisp_Object keysym;
|
|
|
1762
|
|
|
1763 frame = XFRAME (mswindows_find_frame (hwnd));
|
|
|
1764 GetKeyboardState (keymap);
|
|
|
1765 mods = mswindows_modifier_state (keymap, has_AltGr);
|
|
|
1766
|
|
|
1767 /* Handle non-printables */
|
|
|
1768 if (!NILP (keysym = mswindows_key_to_emacs_keysym (wParam, mods,
|
|
|
1769 extendedp)))
|
|
|
1770 mswindows_enqueue_keypress_event (hwnd, keysym, mods);
|
|
|
1771 else /* Normal keys & modifiers */
|
|
249
|
1772 {
|
|
404
|
1773 Emchar quit_ch = CONSOLE_QUIT_CHAR (XCONSOLE (mswindows_find_console (hwnd)));
|
|
|
1774 BYTE keymap_orig[256];
|
|
|
1775 POINT pnt = { LOWORD (GetMessagePos()), HIWORD (GetMessagePos()) };
|
|
|
1776 MSG msg, tranmsg;
|
|
|
1777 int potential_accelerator = 0;
|
|
|
1778 int got_accelerator = 0;
|
|
|
1779
|
|
|
1780 msg.hwnd = hwnd;
|
|
|
1781 msg.message = message;
|
|
|
1782 msg.wParam = wParam;
|
|
|
1783 msg.lParam = lParam;
|
|
|
1784 msg.time = GetMessageTime();
|
|
|
1785 msg.pt = pnt;
|
|
|
1786
|
|
|
1787 /* GetKeyboardState() does not work as documented on Win95. We have
|
|
|
1788 * to loosely track Left and Right modifiers on behalf of the OS,
|
|
|
1789 * without screwing up Windows NT which tracks them properly. */
|
|
|
1790 if (wParam == VK_CONTROL)
|
|
|
1791 keymap [extendedp ? VK_RCONTROL : VK_LCONTROL] |= 0x80;
|
|
|
1792 else if (wParam == VK_MENU)
|
|
|
1793 keymap [extendedp ? VK_RMENU : VK_LMENU] |= 0x80;
|
|
|
1794
|
|
|
1795 memcpy (keymap_orig, keymap, 256);
|
|
|
1796
|
|
|
1797 if (!NILP (Vmenu_accelerator_enabled) &&
|
|
|
1798 !(mods & XEMACS_MOD_SHIFT) && message == WM_SYSKEYDOWN)
|
|
|
1799 potential_accelerator = 1;
|
|
|
1800
|
|
|
1801 /* Remove shift modifier from an ascii character */
|
|
|
1802 mods &= ~XEMACS_MOD_SHIFT;
|
|
|
1803
|
|
|
1804 /* Clear control and alt modifiers unless AltGr is pressed */
|
|
|
1805 keymap [VK_RCONTROL] = 0;
|
|
|
1806 keymap [VK_LMENU] = 0;
|
|
|
1807 if (!has_AltGr || !(keymap [VK_LCONTROL] & 0x80)
|
|
|
1808 || !(keymap [VK_RMENU] & 0x80))
|
|
|
1809 {
|
|
|
1810 keymap [VK_LCONTROL] = 0;
|
|
|
1811 keymap [VK_CONTROL] = 0;
|
|
|
1812 keymap [VK_RMENU] = 0;
|
|
|
1813 keymap [VK_MENU] = 0;
|
|
|
1814 }
|
|
|
1815 SetKeyboardState (keymap);
|
|
|
1816
|
|
|
1817 /* Maybe generate some WM_[SYS]CHARs in the queue */
|
|
|
1818 TranslateMessage (&msg);
|
|
|
1819
|
|
|
1820 while (PeekMessage (&tranmsg, hwnd, WM_CHAR, WM_CHAR, PM_REMOVE)
|
|
|
1821 || PeekMessage (&tranmsg, hwnd, WM_SYSCHAR, WM_SYSCHAR, PM_REMOVE))
|
|
|
1822 {
|
|
|
1823 int mods1 = mods;
|
|
|
1824 WPARAM ch = tranmsg.wParam;
|
|
|
1825
|
|
|
1826 /* If a quit char with no modifiers other than control and
|
|
|
1827 shift, then mark it with a fake modifier, which is removed
|
|
|
1828 upon dequeueing the event */
|
|
|
1829 /* #### This might also not withstand localization, if
|
|
|
1830 quit character is not a latin-1 symbol */
|
|
|
1831 if (((quit_ch < ' ' && (mods & XEMACS_MOD_CONTROL) && quit_ch + 'a' - 1 == ch)
|
|
|
1832 || (quit_ch >= ' ' && !(mods & XEMACS_MOD_CONTROL) && quit_ch == ch))
|
|
|
1833 && ((mods & ~(XEMACS_MOD_CONTROL | XEMACS_MOD_SHIFT)) == 0))
|
|
|
1834 {
|
|
|
1835 mods1 |= FAKE_MOD_QUIT;
|
|
|
1836 ++mswindows_quit_chars_count;
|
|
|
1837 }
|
|
|
1838 else if (potential_accelerator && !got_accelerator &&
|
|
|
1839 msw_char_is_accelerator (frame, ch))
|
|
|
1840 {
|
|
|
1841 got_accelerator = 1;
|
|
|
1842 break;
|
|
|
1843 }
|
|
|
1844 mswindows_enqueue_keypress_event (hwnd, make_char (ch), mods1);
|
|
|
1845 } /* while */
|
|
|
1846 SetKeyboardState (keymap_orig);
|
|
|
1847 /* This generates WM_SYSCHAR messages, which are interpreted
|
|
|
1848 by DefWindowProc as the menu selections. */
|
|
|
1849 if (got_accelerator)
|
|
|
1850 {
|
|
|
1851 TranslateMessage (&msg);
|
|
|
1852 goto defproc;
|
|
|
1853 }
|
|
|
1854 } /* else */
|
|
249
|
1855 }
|
|
404
|
1856 if (key_needs_default_processing_p (wParam))
|
|
|
1857 goto defproc;
|
|
|
1858 else
|
|
|
1859 break;
|
|
|
1860
|
|
|
1861 case WM_MBUTTONDOWN:
|
|
|
1862 case WM_MBUTTONUP:
|
|
|
1863 /* Real middle mouse button has nothing to do with emulated one:
|
|
|
1864 if one wants to exercise fingers playing chords on the mouse,
|
|
|
1865 he is allowed to do that! */
|
|
|
1866 mswindows_enqueue_mouse_button_event (hwnd, message,
|
|
|
1867 MAKEPOINTS (lParam), GetMessageTime());
|
|
|
1868 break;
|
|
|
1869
|
|
|
1870 case WM_LBUTTONUP:
|
|
|
1871 msframe = FRAME_MSWINDOWS_DATA (XFRAME (mswindows_find_frame (hwnd)));
|
|
|
1872 msframe->last_click_time = GetMessageTime();
|
|
|
1873
|
|
|
1874 KillTimer (hwnd, BUTTON_2_TIMER_ID);
|
|
|
1875 msframe->button2_need_lbutton = 0;
|
|
|
1876 if (msframe->ignore_next_lbutton_up)
|
|
|
1877 {
|
|
|
1878 msframe->ignore_next_lbutton_up = 0;
|
|
|
1879 }
|
|
|
1880 else if (msframe->button2_is_down)
|
|
|
1881 {
|
|
|
1882 msframe->button2_is_down = 0;
|
|
|
1883 msframe->ignore_next_rbutton_up = 1;
|
|
|
1884 mswindows_enqueue_mouse_button_event (hwnd, WM_MBUTTONUP,
|
|
|
1885 MAKEPOINTS (lParam), GetMessageTime());
|
|
|
1886 }
|
|
|
1887 else
|
|
|
1888 {
|
|
|
1889 if (msframe->button2_need_rbutton)
|
|
|
1890 {
|
|
|
1891 msframe->button2_need_rbutton = 0;
|
|
|
1892 mswindows_enqueue_mouse_button_event (hwnd, WM_LBUTTONDOWN,
|
|
|
1893 MAKEPOINTS (lParam), GetMessageTime());
|
|
|
1894 }
|
|
|
1895 mswindows_enqueue_mouse_button_event (hwnd, WM_LBUTTONUP,
|
|
|
1896 MAKEPOINTS (lParam), GetMessageTime());
|
|
|
1897 }
|
|
|
1898 break;
|
|
|
1899
|
|
|
1900 case WM_RBUTTONUP:
|
|
|
1901 msframe = FRAME_MSWINDOWS_DATA (XFRAME (mswindows_find_frame (hwnd)));
|
|
|
1902 msframe->last_click_time = GetMessageTime();
|
|
|
1903
|
|
|
1904 KillTimer (hwnd, BUTTON_2_TIMER_ID);
|
|
|
1905 msframe->button2_need_rbutton = 0;
|
|
|
1906 if (msframe->ignore_next_rbutton_up)
|
|
|
1907 {
|
|
|
1908 msframe->ignore_next_rbutton_up = 0;
|
|
|
1909 }
|
|
|
1910 else if (msframe->button2_is_down)
|
|
|
1911 {
|
|
|
1912 msframe->button2_is_down = 0;
|
|
|
1913 msframe->ignore_next_lbutton_up = 1;
|
|
|
1914 mswindows_enqueue_mouse_button_event (hwnd, WM_MBUTTONUP,
|
|
|
1915 MAKEPOINTS (lParam), GetMessageTime());
|
|
|
1916 }
|
|
|
1917 else
|
|
|
1918 {
|
|
|
1919 if (msframe->button2_need_lbutton)
|
|
|
1920 {
|
|
|
1921 msframe->button2_need_lbutton = 0;
|
|
|
1922 mswindows_enqueue_mouse_button_event (hwnd, WM_RBUTTONDOWN,
|
|
|
1923 MAKEPOINTS (lParam), GetMessageTime());
|
|
|
1924 }
|
|
|
1925 mswindows_enqueue_mouse_button_event (hwnd, WM_RBUTTONUP,
|
|
|
1926 MAKEPOINTS (lParam), GetMessageTime());
|
|
|
1927 }
|
|
|
1928 break;
|
|
|
1929
|
|
|
1930 case WM_LBUTTONDOWN:
|
|
|
1931 msframe = FRAME_MSWINDOWS_DATA (XFRAME (mswindows_find_frame (hwnd)));
|
|
|
1932
|
|
|
1933 if (msframe->button2_need_lbutton)
|
|
249
|
1934 {
|
|
|
1935 KillTimer (hwnd, BUTTON_2_TIMER_ID);
|
|
404
|
1936 msframe->button2_need_lbutton = 0;
|
|
|
1937 msframe->button2_need_rbutton = 0;
|
|
|
1938 if (mswindows_button2_near_enough (msframe->last_click_point, MAKEPOINTS (lParam)))
|
|
|
1939 {
|
|
|
1940 mswindows_enqueue_mouse_button_event (hwnd, WM_MBUTTONDOWN,
|
|
|
1941 MAKEPOINTS (lParam), GetMessageTime());
|
|
|
1942 msframe->button2_is_down = 1;
|
|
|
1943 }
|
|
|
1944 else
|
|
|
1945 {
|
|
|
1946 mswindows_enqueue_mouse_button_event (hwnd, WM_RBUTTONDOWN,
|
|
|
1947 msframe->last_click_point, msframe->last_click_time);
|
|
|
1948 mswindows_enqueue_mouse_button_event (hwnd, WM_LBUTTONDOWN,
|
|
|
1949 MAKEPOINTS (lParam), GetMessageTime());
|
|
|
1950 }
|
|
249
|
1951 }
|
|
404
|
1952 else
|
|
278
|
1953 {
|
|
404
|
1954 mswindows_set_chord_timer (hwnd);
|
|
|
1955 msframe->button2_need_rbutton = 1;
|
|
|
1956 msframe->last_click_point = MAKEPOINTS (lParam);
|
|
398
|
1957 }
|
|
404
|
1958 msframe->last_click_time = GetMessageTime();
|
|
|
1959 break;
|
|
|
1960
|
|
|
1961 case WM_RBUTTONDOWN:
|
|
|
1962 msframe = FRAME_MSWINDOWS_DATA (XFRAME (mswindows_find_frame (hwnd)));
|
|
|
1963
|
|
|
1964 if (msframe->button2_need_rbutton)
|
|
398
|
1965 {
|
|
404
|
1966 KillTimer (hwnd, BUTTON_2_TIMER_ID);
|
|
|
1967 msframe->button2_need_lbutton = 0;
|
|
|
1968 msframe->button2_need_rbutton = 0;
|
|
|
1969 if (mswindows_button2_near_enough (msframe->last_click_point, MAKEPOINTS (lParam)))
|
|
|
1970 {
|
|
|
1971 mswindows_enqueue_mouse_button_event (hwnd, WM_MBUTTONDOWN,
|
|
|
1972 MAKEPOINTS (lParam), GetMessageTime());
|
|
|
1973 msframe->button2_is_down = 1;
|
|
|
1974 }
|
|
|
1975 else
|
|
|
1976 {
|
|
|
1977 mswindows_enqueue_mouse_button_event (hwnd, WM_LBUTTONDOWN,
|
|
|
1978 msframe->last_click_point, msframe->last_click_time);
|
|
|
1979 mswindows_enqueue_mouse_button_event (hwnd, WM_RBUTTONDOWN,
|
|
|
1980 MAKEPOINTS (lParam), GetMessageTime());
|
|
|
1981 }
|
|
249
|
1982 }
|
|
|
1983 else
|
|
|
1984 {
|
|
404
|
1985 mswindows_set_chord_timer (hwnd);
|
|
|
1986 msframe->button2_need_lbutton = 1;
|
|
|
1987 msframe->last_click_point = MAKEPOINTS (lParam);
|
|
|
1988 }
|
|
|
1989 msframe->last_click_time = GetMessageTime();
|
|
|
1990 break;
|
|
|
1991
|
|
|
1992 case WM_TIMER:
|
|
|
1993 if (wParam == BUTTON_2_TIMER_ID)
|
|
|
1994 {
|
|
|
1995 msframe = FRAME_MSWINDOWS_DATA (XFRAME (mswindows_find_frame (hwnd)));
|
|
|
1996 KillTimer (hwnd, BUTTON_2_TIMER_ID);
|
|
|
1997
|
|
|
1998 if (msframe->button2_need_lbutton)
|
|
|
1999 {
|
|
|
2000 msframe->button2_need_lbutton = 0;
|
|
|
2001 mswindows_enqueue_mouse_button_event (hwnd, WM_RBUTTONDOWN,
|
|
|
2002 msframe->last_click_point, msframe->last_click_time);
|
|
|
2003 }
|
|
|
2004 else if (msframe->button2_need_rbutton)
|
|
|
2005 {
|
|
|
2006 msframe->button2_need_rbutton = 0;
|
|
|
2007 mswindows_enqueue_mouse_button_event (hwnd, WM_LBUTTONDOWN,
|
|
|
2008 msframe->last_click_point, msframe->last_click_time);
|
|
|
2009 }
|
|
|
2010 }
|
|
|
2011 else
|
|
|
2012 assert ("Spurious timer fired" == 0);
|
|
|
2013 break;
|
|
|
2014
|
|
|
2015 case WM_MOUSEMOVE:
|
|
|
2016 /* Optimization: don't report mouse movement while size is changing */
|
|
|
2017 msframe = FRAME_MSWINDOWS_DATA (XFRAME (mswindows_find_frame (hwnd)));
|
|
|
2018 if (!msframe->sizing)
|
|
|
2019 {
|
|
|
2020 /* When waiting for the second mouse button to finish
|
|
|
2021 button2 emulation, and have moved too far, just pretend
|
|
|
2022 as if timer has expired. This improves drag-select feedback */
|
|
|
2023 if ((msframe->button2_need_lbutton || msframe->button2_need_rbutton)
|
|
|
2024 && !mswindows_button2_near_enough (msframe->last_click_point,
|
|
|
2025 MAKEPOINTS (lParam)))
|
|
269
|
2026 {
|
|
404
|
2027 KillTimer (hwnd, BUTTON_2_TIMER_ID);
|
|
|
2028 SendMessage (hwnd, WM_TIMER, BUTTON_2_TIMER_ID, 0);
|
|
|
2029 }
|
|
|
2030
|
|
|
2031 emacs_event = Fmake_event (Qnil, Qnil);
|
|
|
2032 event = XEVENT(emacs_event);
|
|
|
2033
|
|
|
2034 event->channel = mswindows_find_frame(hwnd);
|
|
|
2035 event->timestamp = GetMessageTime();
|
|
|
2036 event->event_type = pointer_motion_event;
|
|
|
2037 event->event.motion.x = MAKEPOINTS(lParam).x;
|
|
|
2038 event->event.motion.y = MAKEPOINTS(lParam).y;
|
|
|
2039 event->event.motion.modifiers = mswindows_modifier_state (NULL, 0);
|
|
|
2040
|
|
|
2041 mswindows_enqueue_dispatch_event (emacs_event);
|
|
|
2042 }
|
|
|
2043 break;
|
|
|
2044
|
|
|
2045 case WM_CANCELMODE:
|
|
|
2046 ReleaseCapture ();
|
|
|
2047 /* Queue a `cancel-mode-internal' misc user event, so mouse
|
|
|
2048 selection would be canceled if any */
|
|
|
2049 mswindows_enqueue_misc_user_event (mswindows_find_frame (hwnd),
|
|
|
2050 Qcancel_mode_internal, Qnil);
|
|
|
2051 break;
|
|
|
2052
|
|
|
2053 case WM_NOTIFY:
|
|
|
2054 {
|
|
|
2055 LPNMHDR nmhdr = (LPNMHDR)lParam;
|
|
|
2056
|
|
|
2057 if (nmhdr->code == TTN_NEEDTEXT)
|
|
|
2058 {
|
|
|
2059 #ifdef HAVE_TOOLBARS
|
|
|
2060 LPTOOLTIPTEXT tttext = (LPTOOLTIPTEXT)lParam;
|
|
|
2061 Lisp_Object btext;
|
|
|
2062
|
|
|
2063 /* find out which toolbar */
|
|
|
2064 frame = XFRAME (mswindows_find_frame (hwnd));
|
|
|
2065 btext = mswindows_get_toolbar_button_text ( frame,
|
|
|
2066 nmhdr->idFrom );
|
|
|
2067
|
|
|
2068 tttext->lpszText = NULL;
|
|
|
2069 tttext->hinst = NULL;
|
|
|
2070
|
|
|
2071 if (!NILP(btext))
|
|
|
2072 {
|
|
|
2073 /* I think this is safe since the text will only go away
|
|
|
2074 when the toolbar does...*/
|
|
|
2075 TO_EXTERNAL_FORMAT (LISP_STRING, btext,
|
|
|
2076 C_STRING_ALLOCA, tttext->lpszText,
|
|
|
2077 Qnative);
|
|
|
2078 }
|
|
|
2079 #endif
|
|
|
2080 }
|
|
|
2081 /* handle tree view callbacks */
|
|
|
2082 else if (nmhdr->code == TVN_SELCHANGED)
|
|
|
2083 {
|
|
|
2084 NM_TREEVIEW* ptree = (NM_TREEVIEW*)lParam;
|
|
|
2085 frame = XFRAME (mswindows_find_frame (hwnd));
|
|
|
2086 mswindows_handle_gui_wm_command (frame, 0, ptree->itemNew.lParam);
|
|
|
2087 }
|
|
|
2088 /* handle tab control callbacks */
|
|
|
2089 else if (nmhdr->code == TCN_SELCHANGE)
|
|
|
2090 {
|
|
|
2091 TC_ITEM item;
|
|
|
2092 int idx = SendMessage (nmhdr->hwndFrom, TCM_GETCURSEL, 0, 0);
|
|
|
2093 frame = XFRAME (mswindows_find_frame (hwnd));
|
|
|
2094
|
|
|
2095 item.mask = TCIF_PARAM;
|
|
|
2096 SendMessage (nmhdr->hwndFrom, TCM_GETITEM, (WPARAM)idx,
|
|
|
2097 (LPARAM)&item);
|
|
|
2098
|
|
|
2099 mswindows_handle_gui_wm_command (frame, 0, item.lParam);
|
|
|
2100 }
|
|
|
2101 }
|
|
|
2102 break;
|
|
|
2103
|
|
|
2104 case WM_PAINT:
|
|
|
2105 /* hdc will be NULL unless this is a subwindow - in which case we
|
|
|
2106 shouldn't have received a paint message for it here. */
|
|
|
2107 assert (wParam == 0);
|
|
|
2108
|
|
|
2109 /* Can't queue a magic event because windows goes modal and sends paint
|
|
|
2110 messages directly to the windows procedure when doing solid drags
|
|
|
2111 and the message queue doesn't get processed. */
|
|
|
2112 mswindows_handle_paint (XFRAME (mswindows_find_frame (hwnd)));
|
|
|
2113 break;
|
|
|
2114
|
|
|
2115 case WM_SIZE:
|
|
|
2116 /* We only care about this message if our size has really changed */
|
|
|
2117 if (wParam==SIZE_RESTORED || wParam==SIZE_MAXIMIZED || wParam==SIZE_MINIMIZED)
|
|
|
2118 {
|
|
|
2119 RECT rect;
|
|
|
2120 int columns, rows;
|
|
|
2121
|
|
|
2122 fobj = mswindows_find_frame (hwnd);
|
|
|
2123 frame = XFRAME (fobj);
|
|
|
2124 msframe = FRAME_MSWINDOWS_DATA (frame);
|
|
|
2125
|
|
|
2126 /* We cannot handle frame map and unmap hooks right in
|
|
|
2127 this routine, because these may throw. We queue
|
|
|
2128 magic events to run these hooks instead - kkm */
|
|
|
2129
|
|
|
2130 if (wParam==SIZE_MINIMIZED)
|
|
|
2131 {
|
|
|
2132 /* Iconified */
|
|
|
2133 FRAME_VISIBLE_P (frame) = 0;
|
|
|
2134 mswindows_enqueue_magic_event (hwnd, XM_UNMAPFRAME);
|
|
269
|
2135 }
|
|
|
2136 else
|
|
|
2137 {
|
|
404
|
2138 GetClientRect(hwnd, &rect);
|
|
|
2139 FRAME_PIXWIDTH(frame) = rect.right;
|
|
|
2140 FRAME_PIXHEIGHT(frame) = rect.bottom;
|
|
|
2141
|
|
|
2142 pixel_to_real_char_size (frame, rect.right, rect.bottom,
|
|
|
2143 &FRAME_MSWINDOWS_CHARWIDTH (frame),
|
|
|
2144 &FRAME_MSWINDOWS_CHARHEIGHT (frame));
|
|
|
2145
|
|
|
2146 pixel_to_char_size (frame, rect.right, rect.bottom, &columns, &rows);
|
|
|
2147 change_frame_size (frame, rows, columns, 1);
|
|
|
2148
|
|
|
2149 /* If we are inside frame creation, we have to apply geometric
|
|
|
2150 properties now. */
|
|
|
2151 if (FRAME_MSWINDOWS_TARGET_RECT (frame))
|
|
|
2152 {
|
|
|
2153 /* Yes, we have to size again */
|
|
|
2154 mswindows_size_frame_internal ( frame,
|
|
|
2155 FRAME_MSWINDOWS_TARGET_RECT
|
|
|
2156 (frame));
|
|
|
2157 /* Reset so we do not get here again. The SetWindowPos call in
|
|
|
2158 * mswindows_size_frame_internal can cause recursion here. */
|
|
|
2159 if (FRAME_MSWINDOWS_TARGET_RECT (frame))
|
|
|
2160 {
|
|
|
2161 xfree (FRAME_MSWINDOWS_TARGET_RECT (frame));
|
|
|
2162 FRAME_MSWINDOWS_TARGET_RECT (frame) = 0;
|
|
|
2163 }
|
|
|
2164 }
|
|
|
2165 else
|
|
|
2166 {
|
|
|
2167 if (!msframe->sizing && !FRAME_VISIBLE_P (frame))
|
|
|
2168 mswindows_enqueue_magic_event (hwnd, XM_MAPFRAME);
|
|
|
2169 FRAME_VISIBLE_P (frame) = 1;
|
|
|
2170
|
|
|
2171 if (!msframe->sizing || mswindows_dynamic_frame_resize)
|
|
|
2172 redisplay ();
|
|
|
2173 }
|
|
269
|
2174 }
|
|
249
|
2175 }
|
|
404
|
2176 break;
|
|
|
2177
|
|
|
2178 case WM_DISPLAYCHANGE:
|
|
|
2179 {
|
|
|
2180 struct device *d;
|
|
|
2181
|
|
|
2182 fobj = mswindows_find_frame (hwnd);
|
|
|
2183 frame = XFRAME (fobj);
|
|
|
2184 d = XDEVICE (FRAME_DEVICE (frame));
|
|
|
2185
|
|
|
2186 DEVICE_MSWINDOWS_HORZRES(d) = LOWORD (lParam);
|
|
|
2187 DEVICE_MSWINDOWS_VERTRES(d) = HIWORD (lParam);
|
|
|
2188 DEVICE_MSWINDOWS_BITSPIXEL(d) = wParam;
|
|
|
2189 break;
|
|
|
2190 }
|
|
|
2191
|
|
|
2192 /* Misc magic events which only require that the frame be identified */
|
|
|
2193 case WM_SETFOCUS:
|
|
|
2194 case WM_KILLFOCUS:
|
|
|
2195 mswindows_enqueue_magic_event (hwnd, message);
|
|
|
2196 break;
|
|
|
2197
|
|
|
2198 case WM_WINDOWPOSCHANGING:
|
|
249
|
2199 {
|
|
404
|
2200 WINDOWPOS *wp = (LPWINDOWPOS) lParam;
|
|
|
2201 WINDOWPLACEMENT wpl = { sizeof(WINDOWPLACEMENT) };
|
|
|
2202 GetWindowPlacement(hwnd, &wpl);
|
|
|
2203
|
|
|
2204 /* Only interested if size is changing and we're not being iconified */
|
|
|
2205 if (wpl.showCmd != SW_SHOWMINIMIZED
|
|
|
2206 && wpl.showCmd != SW_SHOWMAXIMIZED
|
|
|
2207 && !(wp->flags & SWP_NOSIZE))
|
|
249
|
2208 {
|
|
404
|
2209 RECT ncsize = { 0, 0, 0, 0 };
|
|
|
2210 int pixwidth, pixheight;
|
|
|
2211 AdjustWindowRectEx (&ncsize, GetWindowLong (hwnd, GWL_STYLE),
|
|
|
2212 GetMenu(hwnd) != NULL,
|
|
|
2213 GetWindowLong (hwnd, GWL_EXSTYLE));
|
|
|
2214
|
|
|
2215 round_size_to_real_char (XFRAME (mswindows_find_frame (hwnd)),
|
|
|
2216 wp->cx - (ncsize.right - ncsize.left),
|
|
|
2217 wp->cy - (ncsize.bottom - ncsize.top),
|
|
|
2218 &pixwidth, &pixheight);
|
|
|
2219
|
|
|
2220 /* Convert client sizes to window sizes */
|
|
|
2221 pixwidth += (ncsize.right - ncsize.left);
|
|
|
2222 pixheight += (ncsize.bottom - ncsize.top);
|
|
|
2223
|
|
|
2224 if (wpl.showCmd != SW_SHOWMAXIMIZED)
|
|
|
2225 {
|
|
|
2226 /* Adjust so that the bottom or right doesn't move if it's
|
|
|
2227 * the top or left that's being changed */
|
|
|
2228 RECT rect;
|
|
|
2229 GetWindowRect (hwnd, &rect);
|
|
|
2230
|
|
|
2231 if (rect.left != wp->x)
|
|
|
2232 wp->x += wp->cx - pixwidth;
|
|
|
2233 if (rect.top != wp->y)
|
|
|
2234 wp->y += wp->cy - pixheight;
|
|
|
2235 }
|
|
|
2236
|
|
|
2237 wp->cx = pixwidth;
|
|
|
2238 wp->cy = pixheight;
|
|
249
|
2239 }
|
|
404
|
2240 /* DefWindowProc sends useful WM_GETMINMAXINFO message, and adjusts
|
|
|
2241 window position if the user tries to track window too small */
|
|
249
|
2242 }
|
|
404
|
2243 goto defproc;
|
|
|
2244
|
|
|
2245 case WM_ENTERSIZEMOVE:
|
|
|
2246 msframe = FRAME_MSWINDOWS_DATA (XFRAME (mswindows_find_frame (hwnd)));
|
|
|
2247 msframe->sizing = 1;
|
|
|
2248 return 0;
|
|
|
2249
|
|
|
2250 case WM_EXITSIZEMOVE:
|
|
|
2251 msframe = FRAME_MSWINDOWS_DATA (XFRAME (mswindows_find_frame (hwnd)));
|
|
|
2252 msframe->sizing = 0;
|
|
|
2253 /* Queue noop event */
|
|
|
2254 mswindows_enqueue_magic_event (NULL, XM_BUMPQUEUE);
|
|
|
2255 return 0;
|
|
249
|
2256
|
|
|
2257 #ifdef HAVE_SCROLLBARS
|
|
404
|
2258 case WM_VSCROLL:
|
|
|
2259 case WM_HSCROLL:
|
|
|
2260 {
|
|
|
2261 /* Direction of scroll is determined by scrollbar instance. */
|
|
|
2262 int code = (int) LOWORD(wParam);
|
|
|
2263 int pos = (short int) HIWORD(wParam);
|
|
|
2264 HWND hwndScrollBar = (HWND) lParam;
|
|
|
2265 struct gcpro gcpro1, gcpro2;
|
|
|
2266
|
|
|
2267 mswindows_handle_scrollbar_event (hwndScrollBar, code, pos);
|
|
|
2268 GCPRO2 (emacs_event, fobj);
|
|
|
2269 if (UNBOUNDP(mswindows_pump_outstanding_events())) /* Can GC */
|
|
|
2270 {
|
|
|
2271 /* Error during event pumping - cancel scroll */
|
|
|
2272 SendMessage (hwndScrollBar, WM_CANCELMODE, 0, 0);
|
|
|
2273 }
|
|
|
2274 UNGCPRO;
|
|
|
2275 break;
|
|
|
2276 }
|
|
|
2277
|
|
|
2278 case WM_MOUSEWHEEL:
|
|
|
2279 {
|
|
|
2280 int keys = LOWORD (wParam); /* Modifier key flags */
|
|
|
2281 int delta = (short) HIWORD (wParam); /* Wheel rotation amount */
|
|
|
2282 struct gcpro gcpro1, gcpro2;
|
|
|
2283
|
|
|
2284 if (mswindows_handle_mousewheel_event (mswindows_find_frame (hwnd), keys, delta))
|
|
|
2285 {
|
|
|
2286 GCPRO2 (emacs_event, fobj);
|
|
|
2287 mswindows_pump_outstanding_events (); /* Can GC */
|
|
|
2288 UNGCPRO;
|
|
|
2289 }
|
|
|
2290 else
|
|
|
2291 goto defproc;
|
|
|
2292 break;
|
|
|
2293 }
|
|
249
|
2294 #endif
|
|
|
2295
|
|
|
2296 #ifdef HAVE_MENUBARS
|
|
404
|
2297 case WM_INITMENU:
|
|
|
2298 if (UNBOUNDP (mswindows_handle_wm_initmenu (
|
|
|
2299 (HMENU) wParam,
|
|
|
2300 XFRAME (mswindows_find_frame (hwnd)))))
|
|
|
2301 SendMessage (hwnd, WM_CANCELMODE, 0, 0);
|
|
|
2302 break;
|
|
|
2303
|
|
|
2304 case WM_INITMENUPOPUP:
|
|
|
2305 if (!HIWORD(lParam))
|
|
|
2306 {
|
|
|
2307 if (UNBOUNDP (mswindows_handle_wm_initmenupopup (
|
|
|
2308 (HMENU) wParam,
|
|
|
2309 XFRAME (mswindows_find_frame (hwnd)))))
|
|
|
2310 SendMessage (hwnd, WM_CANCELMODE, 0, 0);
|
|
|
2311 }
|
|
|
2312 break;
|
|
249
|
2313
|
|
|
2314 #endif /* HAVE_MENUBARS */
|
|
|
2315
|
|
404
|
2316 case WM_COMMAND:
|
|
|
2317 {
|
|
|
2318 WORD id = LOWORD (wParam);
|
|
|
2319 WORD nid = HIWORD (wParam);
|
|
|
2320 HWND cid = (HWND)lParam;
|
|
|
2321 frame = XFRAME (mswindows_find_frame (hwnd));
|
|
249
|
2322
|
|
276
|
2323 #ifdef HAVE_TOOLBARS
|
|
404
|
2324 if (!NILP (mswindows_handle_toolbar_wm_command (frame, cid, id)))
|
|
|
2325 break;
|
|
276
|
2326 #endif
|
|
404
|
2327 /* widgets in a buffer only eval a callback for suitable events.*/
|
|
|
2328 switch (nid)
|
|
|
2329 {
|
|
|
2330 case BN_CLICKED:
|
|
|
2331 case EN_CHANGE:
|
|
|
2332 case CBN_EDITCHANGE:
|
|
|
2333 case CBN_SELCHANGE:
|
|
|
2334 if (!NILP (mswindows_handle_gui_wm_command (frame, cid, id)))
|
|
|
2335 return 0;
|
|
|
2336 }
|
|
|
2337 /* menubars always must come last since the hashtables do not
|
|
|
2338 always exist*/
|
|
249
|
2339 #ifdef HAVE_MENUBARS
|
|
404
|
2340 if (!NILP (mswindows_handle_wm_command (frame, id)))
|
|
|
2341 break;
|
|
249
|
2342 #endif
|
|
|
2343
|
|
404
|
2344 return DefWindowProc (hwnd, message, wParam, lParam);
|
|
|
2345 /* Bite me - a spurious command. This used to not be able to
|
|
|
2346 happen but with the introduction of widgets its now
|
|
|
2347 possible. */
|
|
|
2348 }
|
|
|
2349 break;
|
|
|
2350
|
|
|
2351 case WM_CTLCOLORBTN:
|
|
|
2352 case WM_CTLCOLORLISTBOX:
|
|
|
2353 case WM_CTLCOLOREDIT:
|
|
|
2354 case WM_CTLCOLORSTATIC:
|
|
|
2355 case WM_CTLCOLORSCROLLBAR:
|
|
|
2356 {
|
|
|
2357 /* if we get an opportunity to paint a widget then do so if
|
|
|
2358 there is an appropriate face */
|
|
|
2359 HWND crtlwnd = (HWND)lParam;
|
|
|
2360 LONG ii = GetWindowLong (crtlwnd, GWL_USERDATA);
|
|
|
2361 if (ii)
|
|
|
2362 {
|
|
|
2363 Lisp_Object image_instance;
|
|
|
2364 VOID_TO_LISP (image_instance, ii);
|
|
|
2365 if (IMAGE_INSTANCEP (image_instance)
|
|
|
2366 &&
|
|
|
2367 IMAGE_INSTANCE_TYPE_P (image_instance, IMAGE_WIDGET))
|
|
|
2368 {
|
|
|
2369 /* set colors for the buttons */
|
|
|
2370 HDC hdc = (HDC)wParam;
|
|
|
2371 if (last_widget_brushed != ii)
|
|
|
2372 {
|
|
|
2373 if (widget_brush)
|
|
|
2374 DeleteObject (widget_brush);
|
|
|
2375 widget_brush = CreateSolidBrush
|
|
|
2376 (COLOR_INSTANCE_MSWINDOWS_COLOR
|
|
|
2377 (XCOLOR_INSTANCE
|
|
|
2378 (FACE_BACKGROUND
|
|
|
2379 (XIMAGE_INSTANCE_WIDGET_FACE (image_instance),
|
|
|
2380 XIMAGE_INSTANCE_SUBWINDOW_FRAME (image_instance)))));
|
|
|
2381 }
|
|
|
2382 last_widget_brushed = ii;
|
|
|
2383 SetTextColor
|
|
|
2384 (hdc,
|
|
|
2385 COLOR_INSTANCE_MSWINDOWS_COLOR
|
|
|
2386 (XCOLOR_INSTANCE
|
|
|
2387 (FACE_FOREGROUND
|
|
|
2388 (XIMAGE_INSTANCE_WIDGET_FACE (image_instance),
|
|
|
2389 XIMAGE_INSTANCE_SUBWINDOW_FRAME (image_instance)))));
|
|
|
2390 SetBkMode (hdc, OPAQUE);
|
|
|
2391 SetBkColor
|
|
|
2392 (hdc,
|
|
|
2393 COLOR_INSTANCE_MSWINDOWS_COLOR
|
|
|
2394 (XCOLOR_INSTANCE
|
|
|
2395 (FACE_BACKGROUND
|
|
|
2396 (XIMAGE_INSTANCE_WIDGET_FACE (image_instance),
|
|
|
2397 XIMAGE_INSTANCE_SUBWINDOW_FRAME (image_instance)))));
|
|
|
2398 return (LRESULT)widget_brush;
|
|
|
2399 }
|
|
|
2400 }
|
|
|
2401 }
|
|
|
2402 goto defproc;
|
|
384
|
2403
|
|
284
|
2404 #ifdef HAVE_DRAGNDROP
|
|
404
|
2405 case WM_DROPFILES: /* implementation ripped-off from event-Xt.c */
|
|
|
2406 {
|
|
|
2407 UINT filecount, i, len;
|
|
|
2408 POINT point;
|
|
|
2409 char* filename;
|
|
|
2410 char* fname;
|
|
|
2411
|
|
|
2412 Lisp_Object l_dndlist = Qnil, l_item = Qnil;
|
|
|
2413 struct gcpro gcpro1, gcpro2, gcpro3;
|
|
|
2414
|
|
|
2415 emacs_event = Fmake_event (Qnil, Qnil);
|
|
|
2416 event = XEVENT(emacs_event);
|
|
|
2417
|
|
|
2418 GCPRO3 (emacs_event, l_dndlist, l_item);
|
|
|
2419
|
|
|
2420 if (!DragQueryPoint ((HDROP) wParam, &point))
|
|
|
2421 point.x = point.y = -1; /* outside client area */
|
|
|
2422
|
|
|
2423 event->event_type = misc_user_event;
|
|
|
2424 event->channel = mswindows_find_frame(hwnd);
|
|
|
2425 event->timestamp = GetMessageTime();
|
|
|
2426 event->event.misc.button = 1; /* #### Should try harder */
|
|
|
2427 event->event.misc.modifiers = mswindows_modifier_state (NULL, 0);
|
|
|
2428 event->event.misc.x = point.x;
|
|
|
2429 event->event.misc.y = point.y;
|
|
|
2430 event->event.misc.function = Qdragdrop_drop_dispatch;
|
|
|
2431
|
|
|
2432 filecount = DragQueryFile ((HDROP) wParam, 0xffffffff, NULL, 0);
|
|
|
2433 for (i=0; i<filecount; i++)
|
|
|
2434 {
|
|
|
2435 len = DragQueryFile ((HDROP) wParam, i, NULL, 0);
|
|
|
2436 /* The URLs that we make here aren't correct according to section
|
|
|
2437 * 3.10 of rfc1738 because they're missing the //<host>/ part and
|
|
|
2438 * because they may contain reserved characters. But that's OK -
|
|
|
2439 * they just need to be good enough to keep dragdrop.el happy. */
|
|
|
2440 fname = (char *)xmalloc (len+1);
|
|
|
2441 DragQueryFile ((HANDLE) wParam, i, fname, len+1);
|
|
|
2442
|
|
|
2443 /* May be a shell link aka "shortcut" - replace fname if so */
|
|
|
2444 #if !(defined(__CYGWIN32__) || defined(__MINGW32__))
|
|
|
2445 /* cygwin doesn't define this COM stuff */
|
|
|
2446 if (!stricmp (fname + strlen (fname) - 4, ".LNK"))
|
|
|
2447 {
|
|
|
2448 IShellLink* psl;
|
|
|
2449
|
|
|
2450 if (CoCreateInstance (&CLSID_ShellLink, NULL,
|
|
|
2451 CLSCTX_INPROC_SERVER, &IID_IShellLink, &psl) == S_OK)
|
|
|
2452 {
|
|
|
2453 IPersistFile* ppf;
|
|
|
2454
|
|
|
2455 if (psl->lpVtbl->QueryInterface (psl, &IID_IPersistFile,
|
|
|
2456 &ppf) == S_OK)
|
|
|
2457 {
|
|
|
2458 WORD wsz[MAX_PATH];
|
|
|
2459 WIN32_FIND_DATA wfd;
|
|
|
2460 LPSTR resolved = (char *) xmalloc (MAX_PATH+1);
|
|
|
2461
|
|
|
2462 MultiByteToWideChar (CP_ACP,0, fname, -1, wsz, MAX_PATH);
|
|
|
2463
|
|
|
2464 if ((ppf->lpVtbl->Load (ppf, wsz, STGM_READ) == S_OK) &&
|
|
|
2465 (psl->lpVtbl->GetPath (psl, resolved, MAX_PATH,
|
|
|
2466 &wfd, 0)==S_OK))
|
|
|
2467 {
|
|
|
2468 xfree (fname);
|
|
|
2469 fname = resolved;
|
|
|
2470 len = strlen (fname);
|
|
|
2471 }
|
|
|
2472
|
|
|
2473 ppf->lpVtbl->Release (ppf);
|
|
|
2474 }
|
|
|
2475
|
|
|
2476 psl->lpVtbl->Release (psl);
|
|
|
2477 }
|
|
|
2478 }
|
|
259
|
2479 #endif
|
|
404
|
2480
|
|
259
|
2481 #ifdef __CYGWIN32__
|
|
404
|
2482 filename = xmalloc (cygwin32_win32_to_posix_path_list_buf_size (fname) + 5);
|
|
|
2483 strcpy (filename, "file:");
|
|
|
2484 cygwin32_win32_to_posix_path_list (fname, filename+5);
|
|
259
|
2485 #else
|
|
404
|
2486 filename = (char *)xmalloc (len+6);
|
|
|
2487 strcat (strcpy (filename, "file:"), fname);
|
|
|
2488 dostounix_filename (filename+5);
|
|
259
|
2489 #endif
|
|
404
|
2490 xfree (fname);
|
|
|
2491 l_item = make_string (filename, strlen (filename));
|
|
|
2492 l_dndlist = Fcons (l_item, l_dndlist);
|
|
|
2493 xfree (filename);
|
|
|
2494 }
|
|
|
2495 DragFinish ((HDROP) wParam);
|
|
|
2496
|
|
|
2497 event->event.misc.object = Fcons (Qdragdrop_URL, l_dndlist);
|
|
|
2498 mswindows_enqueue_dispatch_event (emacs_event);
|
|
|
2499 UNGCPRO;
|
|
|
2500 }
|
|
|
2501 break;
|
|
|
2502 #endif
|
|
|
2503
|
|
|
2504 defproc:
|
|
|
2505 default:
|
|
|
2506 return DefWindowProc (hwnd, message, wParam, lParam);
|
|
249
|
2507 }
|
|
|
2508 return (0);
|
|
|
2509 }
|
|
|
2510
|
|
|
2511
|
|
|
2512 /************************************************************************/
|
|
|
2513 /* keyboard, mouse & other helpers for the windows procedure */
|
|
|
2514 /************************************************************************/
|
|
|
2515 static void
|
|
|
2516 mswindows_set_chord_timer (HWND hwnd)
|
|
|
2517 {
|
|
|
2518 int interval;
|
|
|
2519
|
|
269
|
2520 /* We get one third half system double click threshold */
|
|
272
|
2521 if (mswindows_mouse_button_tolerance <= 0)
|
|
269
|
2522 interval = GetDoubleClickTime () / 3;
|
|
249
|
2523 else
|
|
272
|
2524 interval = mswindows_mouse_button_tolerance;
|
|
249
|
2525
|
|
|
2526 SetTimer (hwnd, BUTTON_2_TIMER_ID, interval, 0);
|
|
|
2527 }
|
|
|
2528
|
|
|
2529 static int
|
|
|
2530 mswindows_button2_near_enough (POINTS p1, POINTS p2)
|
|
|
2531 {
|
|
|
2532 int dx, dy;
|
|
272
|
2533 if (mswindows_mouse_button_max_skew_x <= 0)
|
|
249
|
2534 dx = GetSystemMetrics (SM_CXDOUBLECLK) / 2;
|
|
|
2535 else
|
|
272
|
2536 dx = mswindows_mouse_button_max_skew_x;
|
|
249
|
2537
|
|
272
|
2538 if (mswindows_mouse_button_max_skew_y <= 0)
|
|
249
|
2539 dy = GetSystemMetrics (SM_CYDOUBLECLK) / 2;
|
|
|
2540 else
|
|
272
|
2541 dy = mswindows_mouse_button_max_skew_y;
|
|
249
|
2542
|
|
|
2543 return abs (p1.x - p2.x) < dx && abs (p1.y- p2.y)< dy;
|
|
|
2544 }
|
|
|
2545
|
|
|
2546 static int
|
|
|
2547 mswindows_current_layout_has_AltGr (void)
|
|
|
2548 {
|
|
|
2549 /* This simple caching mechanism saves 10% of CPU
|
|
|
2550 time when a key typed at autorepeat rate of 30 cps! */
|
|
|
2551 static HKL last_hkl = 0;
|
|
|
2552 static int last_hkl_has_AltGr;
|
|
|
2553
|
|
|
2554 HKL current_hkl = GetKeyboardLayout (0);
|
|
|
2555 if (current_hkl != last_hkl)
|
|
|
2556 {
|
|
|
2557 TCHAR c;
|
|
|
2558 last_hkl_has_AltGr = 0;
|
|
|
2559 /* In this loop, we query whether a character requires
|
|
|
2560 AltGr to be down to generate it. If at least such one
|
|
|
2561 found, this means that the layout does regard AltGr */
|
|
|
2562 for (c = ' '; c <= 0xFFU && c != 0 && !last_hkl_has_AltGr; ++c)
|
|
|
2563 if (HIBYTE (VkKeyScan (c)) == 6)
|
|
|
2564 last_hkl_has_AltGr = 1;
|
|
|
2565 last_hkl = current_hkl;
|
|
|
2566 }
|
|
|
2567 return last_hkl_has_AltGr;
|
|
|
2568 }
|
|
|
2569
|
|
|
2570
|
|
|
2571 /* Returns the state of the modifier keys in the format expected by the
|
|
|
2572 * Lisp_Event key_data, button_data and motion_data modifiers member */
|
|
|
2573 int mswindows_modifier_state (BYTE* keymap, int has_AltGr)
|
|
|
2574 {
|
|
|
2575 int mods = 0;
|
|
|
2576
|
|
|
2577 if (keymap == NULL)
|
|
|
2578 {
|
|
|
2579 keymap = (BYTE*) alloca(256);
|
|
|
2580 GetKeyboardState (keymap);
|
|
|
2581 has_AltGr = mswindows_current_layout_has_AltGr ();
|
|
|
2582 }
|
|
|
2583
|
|
|
2584 if (has_AltGr && (keymap [VK_LCONTROL] & 0x80) && (keymap [VK_RMENU] & 0x80))
|
|
|
2585 {
|
|
404
|
2586 mods |= (keymap [VK_LMENU] & 0x80) ? XEMACS_MOD_META : 0;
|
|
|
2587 mods |= (keymap [VK_RCONTROL] & 0x80) ? XEMACS_MOD_CONTROL : 0;
|
|
249
|
2588 }
|
|
|
2589 else
|
|
|
2590 {
|
|
404
|
2591 mods |= (keymap [VK_MENU] & 0x80) ? XEMACS_MOD_META : 0;
|
|
|
2592 mods |= (keymap [VK_CONTROL] & 0x80) ? XEMACS_MOD_CONTROL : 0;
|
|
249
|
2593 }
|
|
|
2594
|
|
404
|
2595 mods |= (keymap [VK_SHIFT] & 0x80) ? XEMACS_MOD_SHIFT : 0;
|
|
249
|
2596
|
|
|
2597 return mods;
|
|
|
2598 }
|
|
|
2599
|
|
|
2600 /*
|
|
|
2601 * Translate a mswindows virtual key to a keysym.
|
|
|
2602 * Only returns non-Qnil for keys that don't generate WM_CHAR messages
|
|
|
2603 * or whose ASCII codes (like space) xemacs doesn't like.
|
|
371
|
2604 * Virtual key values are defined in winresrc.h
|
|
249
|
2605 */
|
|
398
|
2606 Lisp_Object mswindows_key_to_emacs_keysym (int mswindows_key, int mods,
|
|
|
2607 int extendedp)
|
|
249
|
2608 {
|
|
398
|
2609 if (extendedp) /* Keys not present on a 82 key keyboard */
|
|
|
2610 {
|
|
|
2611 switch (mswindows_key)
|
|
|
2612 {
|
|
|
2613 case VK_RETURN: return KEYSYM ("kp-enter");
|
|
|
2614 case VK_PRIOR: return KEYSYM ("prior");
|
|
|
2615 case VK_NEXT: return KEYSYM ("next");
|
|
|
2616 case VK_END: return KEYSYM ("end");
|
|
|
2617 case VK_HOME: return KEYSYM ("home");
|
|
|
2618 case VK_LEFT: return KEYSYM ("left");
|
|
|
2619 case VK_UP: return KEYSYM ("up");
|
|
|
2620 case VK_RIGHT: return KEYSYM ("right");
|
|
|
2621 case VK_DOWN: return KEYSYM ("down");
|
|
|
2622 case VK_INSERT: return KEYSYM ("insert");
|
|
|
2623 case VK_DELETE: return QKdelete;
|
|
|
2624 }
|
|
|
2625 }
|
|
|
2626 else
|
|
|
2627 {
|
|
|
2628 switch (mswindows_key)
|
|
|
2629 {
|
|
|
2630 case VK_BACK: return QKbackspace;
|
|
|
2631 case VK_TAB: return QKtab;
|
|
|
2632 case '\n': return QKlinefeed;
|
|
|
2633 case VK_CLEAR: return KEYSYM ("clear");
|
|
|
2634 case VK_RETURN: return QKreturn;
|
|
|
2635 case VK_ESCAPE: return QKescape;
|
|
|
2636 case VK_SPACE: return QKspace;
|
|
|
2637 case VK_PRIOR: return KEYSYM ("kp-prior");
|
|
|
2638 case VK_NEXT: return KEYSYM ("kp-next");
|
|
|
2639 case VK_END: return KEYSYM ("kp-end");
|
|
|
2640 case VK_HOME: return KEYSYM ("kp-home");
|
|
|
2641 case VK_LEFT: return KEYSYM ("kp-left");
|
|
|
2642 case VK_UP: return KEYSYM ("kp-up");
|
|
|
2643 case VK_RIGHT: return KEYSYM ("kp-right");
|
|
|
2644 case VK_DOWN: return KEYSYM ("kp-down");
|
|
|
2645 case VK_SELECT: return KEYSYM ("select");
|
|
|
2646 case VK_PRINT: return KEYSYM ("print");
|
|
|
2647 case VK_EXECUTE: return KEYSYM ("execute");
|
|
|
2648 case VK_SNAPSHOT: return KEYSYM ("print");
|
|
|
2649 case VK_INSERT: return KEYSYM ("kp-insert");
|
|
|
2650 case VK_DELETE: return KEYSYM ("kp-delete");
|
|
|
2651 case VK_HELP: return KEYSYM ("help");
|
|
|
2652 #if 0 /* FSF Emacs allows these to return configurable syms/mods */
|
|
404
|
2653 case VK_LWIN return KEYSYM ("");
|
|
|
2654 case VK_RWIN return KEYSYM ("");
|
|
367
|
2655 #endif
|
|
398
|
2656 case VK_APPS: return KEYSYM ("menu");
|
|
|
2657 case VK_NUMPAD0: return KEYSYM ("kp-0");
|
|
|
2658 case VK_NUMPAD1: return KEYSYM ("kp-1");
|
|
|
2659 case VK_NUMPAD2: return KEYSYM ("kp-2");
|
|
|
2660 case VK_NUMPAD3: return KEYSYM ("kp-3");
|
|
|
2661 case VK_NUMPAD4: return KEYSYM ("kp-4");
|
|
|
2662 case VK_NUMPAD5: return KEYSYM ("kp-5");
|
|
|
2663 case VK_NUMPAD6: return KEYSYM ("kp-6");
|
|
|
2664 case VK_NUMPAD7: return KEYSYM ("kp-7");
|
|
|
2665 case VK_NUMPAD8: return KEYSYM ("kp-8");
|
|
|
2666 case VK_NUMPAD9: return KEYSYM ("kp-9");
|
|
|
2667 case VK_MULTIPLY: return KEYSYM ("kp-multiply");
|
|
|
2668 case VK_ADD: return KEYSYM ("kp-add");
|
|
|
2669 case VK_SEPARATOR: return KEYSYM ("kp-separator");
|
|
|
2670 case VK_SUBTRACT: return KEYSYM ("kp-subtract");
|
|
|
2671 case VK_DECIMAL: return KEYSYM ("kp-decimal");
|
|
|
2672 case VK_DIVIDE: return KEYSYM ("kp-divide");
|
|
|
2673 case VK_F1: return KEYSYM ("f1");
|
|
|
2674 case VK_F2: return KEYSYM ("f2");
|
|
|
2675 case VK_F3: return KEYSYM ("f3");
|
|
|
2676 case VK_F4: return KEYSYM ("f4");
|
|
|
2677 case VK_F5: return KEYSYM ("f5");
|
|
|
2678 case VK_F6: return KEYSYM ("f6");
|
|
|
2679 case VK_F7: return KEYSYM ("f7");
|
|
|
2680 case VK_F8: return KEYSYM ("f8");
|
|
|
2681 case VK_F9: return KEYSYM ("f9");
|
|
|
2682 case VK_F10: return KEYSYM ("f10");
|
|
|
2683 case VK_F11: return KEYSYM ("f11");
|
|
|
2684 case VK_F12: return KEYSYM ("f12");
|
|
|
2685 case VK_F13: return KEYSYM ("f13");
|
|
|
2686 case VK_F14: return KEYSYM ("f14");
|
|
|
2687 case VK_F15: return KEYSYM ("f15");
|
|
|
2688 case VK_F16: return KEYSYM ("f16");
|
|
|
2689 case VK_F17: return KEYSYM ("f17");
|
|
|
2690 case VK_F18: return KEYSYM ("f18");
|
|
|
2691 case VK_F19: return KEYSYM ("f19");
|
|
|
2692 case VK_F20: return KEYSYM ("f20");
|
|
|
2693 case VK_F21: return KEYSYM ("f21");
|
|
|
2694 case VK_F22: return KEYSYM ("f22");
|
|
|
2695 case VK_F23: return KEYSYM ("f23");
|
|
|
2696 case VK_F24: return KEYSYM ("f24");
|
|
|
2697 }
|
|
|
2698 }
|
|
249
|
2699 return Qnil;
|
|
|
2700 }
|
|
|
2701
|
|
|
2702 /*
|
|
|
2703 * Find the console that matches the supplied mswindows window handle
|
|
|
2704 */
|
|
|
2705 Lisp_Object
|
|
|
2706 mswindows_find_console (HWND hwnd)
|
|
|
2707 {
|
|
274
|
2708 /* We only support one console */
|
|
|
2709 return XCAR (Vconsole_list);
|
|
249
|
2710 }
|
|
|
2711
|
|
|
2712 /*
|
|
|
2713 * Find the frame that matches the supplied mswindows window handle
|
|
|
2714 */
|
|
|
2715 static Lisp_Object
|
|
|
2716 mswindows_find_frame (HWND hwnd)
|
|
|
2717 {
|
|
269
|
2718 LONG l = GetWindowLong (hwnd, XWL_FRAMEOBJ);
|
|
|
2719 Lisp_Object f;
|
|
|
2720 if (l == 0)
|
|
|
2721 {
|
|
|
2722 /* We are in progress of frame creation. Return the frame
|
|
|
2723 being created, as it still not remembered in the window
|
|
|
2724 extra storage. */
|
|
276
|
2725 assert (!NILP (Vmswindows_frame_being_created));
|
|
|
2726 return Vmswindows_frame_being_created;
|
|
269
|
2727 }
|
|
|
2728 VOID_TO_LISP (f, l);
|
|
|
2729 return f;
|
|
249
|
2730 }
|
|
|
2731
|
|
213
|
2732
|
|
|
2733 /************************************************************************/
|
|
|
2734 /* methods */
|
|
|
2735 /************************************************************************/
|
|
|
2736
|
|
|
2737 static int
|
|
|
2738 emacs_mswindows_add_timeout (EMACS_TIME thyme)
|
|
|
2739 {
|
|
223
|
2740 int milliseconds;
|
|
213
|
2741 EMACS_TIME current_time;
|
|
|
2742 EMACS_GET_TIME (current_time);
|
|
|
2743 EMACS_SUB_TIME (thyme, thyme, current_time);
|
|
223
|
2744 milliseconds = EMACS_SECS (thyme) * 1000 +
|
|
|
2745 (EMACS_USECS (thyme) + 500) / 1000;
|
|
213
|
2746 if (milliseconds < 1)
|
|
|
2747 milliseconds = 1;
|
|
227
|
2748 ++mswindows_pending_timers_count;
|
|
249
|
2749 return SetTimer (NULL, 0, milliseconds,
|
|
|
2750 (TIMERPROC) mswindows_wm_timer_callback);
|
|
213
|
2751 }
|
|
|
2752
|
|
|
2753 static void
|
|
|
2754 emacs_mswindows_remove_timeout (int id)
|
|
|
2755 {
|
|
398
|
2756 Lisp_Event match_against;
|
|
223
|
2757 Lisp_Object emacs_event;
|
|
|
2758
|
|
233
|
2759 if (KillTimer (NULL, id))
|
|
|
2760 --mswindows_pending_timers_count;
|
|
223
|
2761
|
|
|
2762 /* If there is a dispatch event generated by this
|
|
|
2763 timeout in the queue, we have to remove it too. */
|
|
|
2764 match_against.event_type = timeout_event;
|
|
|
2765 match_against.event.timeout.interval_id = id;
|
|
|
2766 emacs_event = mswindows_cancel_dispatch_event (&match_against);
|
|
|
2767 if (!NILP (emacs_event))
|
|
|
2768 Fdeallocate_event(emacs_event);
|
|
213
|
2769 }
|
|
|
2770
|
|
219
|
2771 /* If `user_p' is false, then return whether there are any win32, timeout,
|
|
|
2772 * or subprocess events pending (that is, whether
|
|
|
2773 * emacs_mswindows_next_event() would return immediately without blocking).
|
|
|
2774 *
|
|
|
2775 * if `user_p' is true, then return whether there are any *user generated*
|
|
|
2776 * events available (that is, whether there are keyboard or mouse-click
|
|
|
2777 * events ready to be read). This also implies that
|
|
|
2778 * emacs_mswindows_next_event() would not block.
|
|
|
2779 */
|
|
213
|
2780 static int
|
|
|
2781 emacs_mswindows_event_pending_p (int user_p)
|
|
|
2782 {
|
|
274
|
2783 mswindows_need_event (0);
|
|
223
|
2784 return (!NILP (mswindows_u_dispatch_event_queue)
|
|
|
2785 || (!user_p && !NILP (mswindows_s_dispatch_event_queue)));
|
|
213
|
2786 }
|
|
|
2787
|
|
|
2788 /*
|
|
|
2789 * Return the next event
|
|
|
2790 */
|
|
|
2791 static void
|
|
398
|
2792 emacs_mswindows_next_event (Lisp_Event *emacs_event)
|
|
213
|
2793 {
|
|
223
|
2794 Lisp_Object event, event2;
|
|
|
2795
|
|
274
|
2796 mswindows_need_event (1);
|
|
213
|
2797
|
|
398
|
2798 event = mswindows_dequeue_dispatch_event ();
|
|
223
|
2799 XSETEVENT (event2, emacs_event);
|
|
|
2800 Fcopy_event (event, event2);
|
|
|
2801 Fdeallocate_event (event);
|
|
213
|
2802 }
|
|
|
2803
|
|
|
2804 /*
|
|
|
2805 * Handle a magic event off the dispatch queue.
|
|
|
2806 */
|
|
|
2807 static void
|
|
398
|
2808 emacs_mswindows_handle_magic_event (Lisp_Event *emacs_event)
|
|
213
|
2809 {
|
|
|
2810 switch (EVENT_MSWINDOWS_MAGIC_TYPE(emacs_event))
|
|
|
2811 {
|
|
288
|
2812 case XM_BUMPQUEUE:
|
|
|
2813 break;
|
|
398
|
2814
|
|
|
2815 case WM_PAINT:
|
|
404
|
2816 {
|
|
|
2817 struct frame *f = XFRAME (EVENT_CHANNEL (emacs_event));
|
|
|
2818 mswindows_handle_paint (f);
|
|
|
2819 (FRAME_MSWINDOWS_DATA (f))->paint_pending = 0;
|
|
|
2820 }
|
|
398
|
2821 break;
|
|
|
2822
|
|
288
|
2823 case WM_SETFOCUS:
|
|
|
2824 case WM_KILLFOCUS:
|
|
|
2825 {
|
|
|
2826 Lisp_Object frame = EVENT_CHANNEL (emacs_event);
|
|
|
2827 struct frame *f = XFRAME (frame);
|
|
|
2828 int in_p = (EVENT_MSWINDOWS_MAGIC_TYPE(emacs_event) == WM_SETFOCUS);
|
|
|
2829 Lisp_Object conser;
|
|
223
|
2830
|
|
288
|
2831 /* struct gcpro gcpro1; */
|
|
213
|
2832
|
|
288
|
2833 /* Clear sticky modifiers here (if we had any) */
|
|
213
|
2834
|
|
288
|
2835 conser = Fcons (frame, Fcons (FRAME_DEVICE (f), in_p ? Qt : Qnil));
|
|
|
2836 /* GCPRO1 (conser); XXX Not necessary? */
|
|
|
2837 emacs_handle_focus_change_preliminary (conser);
|
|
|
2838 /* Under X the stuff up to here is done in the X event handler.
|
|
|
2839 I Don't know why */
|
|
|
2840 emacs_handle_focus_change_final (conser);
|
|
|
2841 /* UNGCPRO; */
|
|
223
|
2842
|
|
288
|
2843 }
|
|
|
2844 break;
|
|
213
|
2845
|
|
288
|
2846 case XM_MAPFRAME:
|
|
|
2847 case XM_UNMAPFRAME:
|
|
|
2848 {
|
|
|
2849 Lisp_Object frame = EVENT_CHANNEL (emacs_event);
|
|
398
|
2850 va_run_hook_with_args (EVENT_MSWINDOWS_MAGIC_TYPE(emacs_event)
|
|
288
|
2851 == XM_MAPFRAME ?
|
|
398
|
2852 Qmap_frame_hook : Qunmap_frame_hook,
|
|
288
|
2853 1, frame);
|
|
|
2854 }
|
|
|
2855 break;
|
|
398
|
2856
|
|
249
|
2857 /* #### What about Enter & Leave */
|
|
213
|
2858 #if 0
|
|
|
2859 va_run_hook_with_args (in_p ? Qmouse_enter_frame_hook :
|
|
|
2860 Qmouse_leave_frame_hook, 1, frame);
|
|
|
2861 #endif
|
|
|
2862
|
|
288
|
2863 default:
|
|
|
2864 assert(0);
|
|
|
2865 }
|
|
213
|
2866 }
|
|
|
2867
|
|
384
|
2868 #ifndef HAVE_MSG_SELECT
|
|
274
|
2869 static HANDLE
|
|
398
|
2870 get_process_input_waitable (Lisp_Process *process)
|
|
274
|
2871 {
|
|
282
|
2872 Lisp_Object instr, outstr, p;
|
|
|
2873 XSETPROCESS (p, process);
|
|
274
|
2874 get_process_streams (process, &instr, &outstr);
|
|
|
2875 assert (!NILP (instr));
|
|
282
|
2876 #if defined (HAVE_SOCKETS) && !defined(HAVE_MSG_SELECT)
|
|
|
2877 return (network_connection_p (p)
|
|
|
2878 ? get_winsock_stream_waitable (XLSTREAM (instr))
|
|
|
2879 : get_ntpipe_input_stream_waitable (XLSTREAM (instr)));
|
|
|
2880 #else
|
|
404
|
2881 return get_ntpipe_input_stream_waitable (XLSTREAM (instr));
|
|
282
|
2882 #endif
|
|
274
|
2883 }
|
|
|
2884
|
|
213
|
2885 static void
|
|
398
|
2886 emacs_mswindows_select_process (Lisp_Process *process)
|
|
213
|
2887 {
|
|
274
|
2888 HANDLE hev = get_process_input_waitable (process);
|
|
|
2889
|
|
|
2890 if (!add_waitable_handle (hev))
|
|
|
2891 error ("Too many active processes");
|
|
|
2892
|
|
276
|
2893 #ifdef HAVE_WIN32_PROCESSES
|
|
|
2894 {
|
|
282
|
2895 Lisp_Object p;
|
|
|
2896 XSETPROCESS (p, process);
|
|
|
2897 if (!network_connection_p (p))
|
|
276
|
2898 {
|
|
282
|
2899 HANDLE hprocess = get_nt_process_handle (process);
|
|
|
2900 if (!add_waitable_handle (hprocess))
|
|
|
2901 {
|
|
|
2902 remove_waitable_handle (hev);
|
|
|
2903 error ("Too many active processes");
|
|
|
2904 }
|
|
276
|
2905 }
|
|
|
2906 }
|
|
|
2907 #endif
|
|
213
|
2908 }
|
|
|
2909
|
|
|
2910 static void
|
|
398
|
2911 emacs_mswindows_unselect_process (Lisp_Process *process)
|
|
213
|
2912 {
|
|
274
|
2913 /* Process handle is removed in the event loop as soon
|
|
|
2914 as it is signaled, so don't bother here about it */
|
|
|
2915 HANDLE hev = get_process_input_waitable (process);
|
|
|
2916 remove_waitable_handle (hev);
|
|
213
|
2917 }
|
|
384
|
2918 #endif /* HAVE_MSG_SELECT */
|
|
213
|
2919
|
|
|
2920 static void
|
|
|
2921 emacs_mswindows_select_console (struct console *con)
|
|
|
2922 {
|
|
392
|
2923 #ifdef HAVE_MSG_SELECT
|
|
|
2924 if (CONSOLE_MSWINDOWS_P (con))
|
|
|
2925 return; /* mswindows consoles are automatically selected */
|
|
|
2926
|
|
|
2927 event_stream_unixoid_select_console (con);
|
|
|
2928 #endif
|
|
213
|
2929 }
|
|
|
2930
|
|
|
2931 static void
|
|
|
2932 emacs_mswindows_unselect_console (struct console *con)
|
|
|
2933 {
|
|
392
|
2934 #ifdef HAVE_MSG_SELECT
|
|
|
2935 if (CONSOLE_MSWINDOWS_P (con))
|
|
|
2936 return; /* mswindows consoles are automatically selected */
|
|
|
2937
|
|
|
2938 event_stream_unixoid_unselect_console (con);
|
|
|
2939 #endif
|
|
213
|
2940 }
|
|
|
2941
|
|
|
2942 static void
|
|
|
2943 emacs_mswindows_quit_p (void)
|
|
|
2944 {
|
|
276
|
2945 /* Quit cannot happen in modal loop: all program
|
|
|
2946 input is dedicated to Windows. */
|
|
|
2947 if (mswindows_in_modal_loop)
|
|
|
2948 return;
|
|
|
2949
|
|
398
|
2950 /* Drain windows queue. This sets up number of quit characters in
|
|
|
2951 the queue */
|
|
|
2952 mswindows_drain_windows_queue ();
|
|
223
|
2953
|
|
|
2954 if (mswindows_quit_chars_count > 0)
|
|
|
2955 {
|
|
|
2956 /* Yes there's a hidden one... Throw it away */
|
|
398
|
2957 Lisp_Event match_against;
|
|
223
|
2958 Lisp_Object emacs_event;
|
|
398
|
2959 int critical_p = 0;
|
|
223
|
2960
|
|
|
2961 match_against.event_type = key_press_event;
|
|
|
2962 match_against.event.key.modifiers = FAKE_MOD_QUIT;
|
|
|
2963
|
|
398
|
2964 while (mswindows_quit_chars_count-- > 0)
|
|
|
2965 {
|
|
|
2966 emacs_event = mswindows_cancel_dispatch_event (&match_against);
|
|
|
2967 assert (!NILP (emacs_event));
|
|
|
2968
|
|
404
|
2969 if (XEVENT(emacs_event)->event.key.modifiers & XEMACS_MOD_SHIFT)
|
|
398
|
2970 critical_p = 1;
|
|
|
2971
|
|
|
2972 Fdeallocate_event(emacs_event);
|
|
|
2973 }
|
|
|
2974
|
|
|
2975 Vquit_flag = critical_p ? Qcritical : Qt;
|
|
223
|
2976 }
|
|
213
|
2977 }
|
|
|
2978
|
|
274
|
2979 USID
|
|
|
2980 emacs_mswindows_create_stream_pair (void* inhandle, void* outhandle,
|
|
|
2981 Lisp_Object* instream,
|
|
|
2982 Lisp_Object* outstream,
|
|
|
2983 int flags)
|
|
|
2984 {
|
|
|
2985 /* Handles for streams */
|
|
|
2986 HANDLE hin, hout;
|
|
|
2987 /* fds. These just stored along with the streams, and are closed in
|
|
|
2988 delete stream pair method, because we need to handle fake unices
|
|
|
2989 here. */
|
|
|
2990 int fdi, fdo;
|
|
|
2991
|
|
|
2992 /* Decode inhandle and outhandle. Their meaning depends on
|
|
|
2993 the process implementation being used. */
|
|
|
2994 #if defined (HAVE_WIN32_PROCESSES)
|
|
|
2995 /* We're passed in Windows handles. That's what we like most... */
|
|
|
2996 hin = (HANDLE) inhandle;
|
|
|
2997 hout = (HANDLE) outhandle;
|
|
|
2998 fdi = fdo = -1;
|
|
|
2999 #elif defined (HAVE_UNIX_PROCESSES)
|
|
|
3000 /* We are passed UNIX fds. This must be Cygwin.
|
|
|
3001 Fetch os handles */
|
|
276
|
3002 hin = inhandle >= 0 ? (HANDLE)get_osfhandle ((int)inhandle) : INVALID_HANDLE_VALUE;
|
|
|
3003 hout = outhandle >= 0 ? (HANDLE)get_osfhandle ((int)outhandle) : INVALID_HANDLE_VALUE;
|
|
|
3004 fdi=(int)inhandle;
|
|
|
3005 fdo=(int)outhandle;
|
|
274
|
3006 #else
|
|
|
3007 #error "So, WHICH kind of processes do you want?"
|
|
|
3008 #endif
|
|
|
3009
|
|
282
|
3010 *instream = (hin == INVALID_HANDLE_VALUE
|
|
|
3011 ? Qnil
|
|
|
3012 #if defined (HAVE_SOCKETS) && !defined (HAVE_MSG_SELECT)
|
|
|
3013 : flags & STREAM_NETWORK_CONNECTION
|
|
|
3014 ? make_winsock_input_stream ((SOCKET)hin, fdi)
|
|
|
3015 #endif
|
|
|
3016 : make_ntpipe_input_stream (hin, fdi));
|
|
274
|
3017
|
|
276
|
3018 #ifdef HAVE_WIN32_PROCESSES
|
|
282
|
3019 *outstream = (hout == INVALID_HANDLE_VALUE
|
|
|
3020 ? Qnil
|
|
|
3021 #if defined (HAVE_SOCKETS) && !defined (HAVE_MSG_SELECT)
|
|
|
3022 : flags & STREAM_NETWORK_CONNECTION
|
|
|
3023 ? make_winsock_output_stream ((SOCKET)hout, fdo)
|
|
|
3024 #endif
|
|
|
3025 : make_ntpipe_output_stream (hout, fdo));
|
|
276
|
3026 #elif defined (HAVE_UNIX_PROCESSES)
|
|
|
3027 *outstream = (fdo >= 0
|
|
|
3028 ? make_filedesc_output_stream (fdo, 0, -1, LSTR_BLOCKED_OK)
|
|
|
3029 : Qnil);
|
|
|
3030
|
|
|
3031 #if defined(HAVE_UNIX_PROCESSES) && defined(HAVE_PTYS)
|
|
|
3032 /* FLAGS is process->pty_flag for UNIX_PROCESSES */
|
|
282
|
3033 if ((flags & STREAM_PTY_FLUSHING) && fdo >= 0)
|
|
276
|
3034 {
|
|
|
3035 Bufbyte eof_char = get_eof_char (fdo);
|
|
|
3036 int pty_max_bytes = get_pty_max_bytes (fdo);
|
|
|
3037 filedesc_stream_set_pty_flushing (XLSTREAM(*outstream), pty_max_bytes, eof_char);
|
|
|
3038 }
|
|
|
3039 #endif
|
|
|
3040 #endif
|
|
274
|
3041
|
|
282
|
3042 return (NILP (*instream)
|
|
|
3043 ? USID_ERROR
|
|
|
3044 #if defined(HAVE_SOCKETS) && !defined(HAVE_MSG_SELECT)
|
|
|
3045 : flags & STREAM_NETWORK_CONNECTION
|
|
|
3046 ? HANDLE_TO_USID (get_winsock_stream_waitable (XLSTREAM (*instream)))
|
|
|
3047 #endif
|
|
274
|
3048 : HANDLE_TO_USID (get_ntpipe_input_stream_waitable (XLSTREAM (*instream))));
|
|
|
3049 }
|
|
|
3050
|
|
|
3051 USID
|
|
|
3052 emacs_mswindows_delete_stream_pair (Lisp_Object instream,
|
|
404
|
3053 Lisp_Object outstream)
|
|
274
|
3054 {
|
|
|
3055 /* Oh nothing special here for Win32 at all */
|
|
|
3056 #if defined (HAVE_UNIX_PROCESSES)
|
|
282
|
3057 int in = (NILP(instream)
|
|
|
3058 ? -1
|
|
|
3059 #if defined(HAVE_SOCKETS) && !defined(HAVE_MSG_SELECT)
|
|
|
3060 : LSTREAM_TYPE_P (XLSTREAM (instream), winsock)
|
|
|
3061 ? get_winsock_stream_param (XLSTREAM (instream))
|
|
|
3062 #endif
|
|
274
|
3063 : get_ntpipe_input_stream_param (XLSTREAM (instream)));
|
|
|
3064 int out = (NILP(outstream) ? -1
|
|
276
|
3065 : filedesc_stream_fd (XLSTREAM (outstream)));
|
|
274
|
3066
|
|
|
3067 if (in >= 0)
|
|
|
3068 close (in);
|
|
|
3069 if (out != in && out >= 0)
|
|
|
3070 close (out);
|
|
|
3071 #endif
|
|
|
3072
|
|
282
|
3073 return (NILP (instream)
|
|
|
3074 ? USID_DONTHASH
|
|
|
3075 #if defined(HAVE_SOCKETS) && !defined(HAVE_MSG_SELECT)
|
|
|
3076 : LSTREAM_TYPE_P (XLSTREAM (instream), winsock)
|
|
|
3077 ? HANDLE_TO_USID (get_winsock_stream_waitable (XLSTREAM (instream)))
|
|
|
3078 #endif
|
|
274
|
3079 : HANDLE_TO_USID (get_ntpipe_input_stream_waitable (XLSTREAM (instream))));
|
|
|
3080 }
|
|
|
3081
|
|
263
|
3082 #ifndef HAVE_X_WINDOWS
|
|
213
|
3083 /* This is called from GC when a process object is about to be freed.
|
|
|
3084 If we've still got pointers to it in this file, we're gonna lose hard.
|
|
|
3085 */
|
|
|
3086 void
|
|
398
|
3087 debug_process_finalization (Lisp_Process *p)
|
|
213
|
3088 {
|
|
|
3089 #if 0 /* #### */
|
|
263
|
3090 Lisp_Object instr, outstr;
|
|
|
3091
|
|
|
3092 get_process_streams (p, &instr, &outstr);
|
|
213
|
3093 /* if it still has fds, then it hasn't been killed yet. */
|
|
263
|
3094 assert (NILP(instr));
|
|
|
3095 assert (NILP(outstr));
|
|
|
3096
|
|
|
3097 /* #### More checks here */
|
|
213
|
3098 #endif
|
|
|
3099 }
|
|
263
|
3100 #endif
|
|
213
|
3101
|
|
|
3102 /************************************************************************/
|
|
|
3103 /* initialization */
|
|
|
3104 /************************************************************************/
|
|
398
|
3105
|
|
213
|
3106 void
|
|
398
|
3107 reinit_vars_of_event_mswindows (void)
|
|
213
|
3108 {
|
|
231
|
3109 mswindows_in_modal_loop = 0;
|
|
227
|
3110 mswindows_pending_timers_count = 0;
|
|
|
3111
|
|
213
|
3112 mswindows_event_stream = xnew (struct event_stream);
|
|
|
3113
|
|
|
3114 mswindows_event_stream->event_pending_p = emacs_mswindows_event_pending_p;
|
|
404
|
3115 mswindows_event_stream->force_event_pending = 0;
|
|
223
|
3116 mswindows_event_stream->next_event_cb = emacs_mswindows_next_event;
|
|
213
|
3117 mswindows_event_stream->handle_magic_event_cb = emacs_mswindows_handle_magic_event;
|
|
|
3118 mswindows_event_stream->add_timeout_cb = emacs_mswindows_add_timeout;
|
|
|
3119 mswindows_event_stream->remove_timeout_cb = emacs_mswindows_remove_timeout;
|
|
278
|
3120 mswindows_event_stream->quit_p_cb = emacs_mswindows_quit_p;
|
|
213
|
3121 mswindows_event_stream->select_console_cb = emacs_mswindows_select_console;
|
|
223
|
3122 mswindows_event_stream->unselect_console_cb = emacs_mswindows_unselect_console;
|
|
278
|
3123 #ifdef HAVE_MSG_SELECT
|
|
398
|
3124 mswindows_event_stream->select_process_cb =
|
|
|
3125 (void (*)(Lisp_Process*))event_stream_unixoid_select_process;
|
|
|
3126 mswindows_event_stream->unselect_process_cb =
|
|
|
3127 (void (*)(Lisp_Process*))event_stream_unixoid_unselect_process;
|
|
278
|
3128 mswindows_event_stream->create_stream_pair_cb = event_stream_unixoid_create_stream_pair;
|
|
|
3129 mswindows_event_stream->delete_stream_pair_cb = event_stream_unixoid_delete_stream_pair;
|
|
|
3130 #else
|
|
213
|
3131 mswindows_event_stream->select_process_cb = emacs_mswindows_select_process;
|
|
223
|
3132 mswindows_event_stream->unselect_process_cb = emacs_mswindows_unselect_process;
|
|
274
|
3133 mswindows_event_stream->create_stream_pair_cb = emacs_mswindows_create_stream_pair;
|
|
|
3134 mswindows_event_stream->delete_stream_pair_cb = emacs_mswindows_delete_stream_pair;
|
|
278
|
3135 #endif
|
|
398
|
3136 }
|
|
|
3137
|
|
|
3138 void
|
|
|
3139 vars_of_event_mswindows (void)
|
|
|
3140 {
|
|
|
3141 reinit_vars_of_event_mswindows ();
|
|
|
3142
|
|
|
3143 mswindows_u_dispatch_event_queue = Qnil;
|
|
|
3144 staticpro (&mswindows_u_dispatch_event_queue);
|
|
|
3145 mswindows_u_dispatch_event_queue_tail = Qnil;
|
|
|
3146 pdump_wire (&mswindows_u_dispatch_event_queue_tail);
|
|
|
3147
|
|
|
3148 mswindows_s_dispatch_event_queue = Qnil;
|
|
|
3149 staticpro (&mswindows_s_dispatch_event_queue);
|
|
|
3150 mswindows_s_dispatch_event_queue_tail = Qnil;
|
|
|
3151 pdump_wire (&mswindows_s_dispatch_event_queue_tail);
|
|
|
3152
|
|
|
3153 mswindows_error_caught_in_modal_loop = Qnil;
|
|
|
3154 staticpro (&mswindows_error_caught_in_modal_loop);
|
|
|
3155
|
|
404
|
3156 DEFVAR_BOOL ("mswindows-alt-by-itself-activates-menu",
|
|
|
3157 &mswindows_alt_by_itself_activates_menu /*
|
|
|
3158 *Controls whether pressing and releasing the Alt key activates the menubar.
|
|
|
3159 This applies only if no intervening key was pressed. See also
|
|
|
3160 `menu-accelerator-enabled', which is probably the behavior you actually want.
|
|
398
|
3161 Default is t.
|
|
|
3162 */ );
|
|
223
|
3163
|
|
404
|
3164 DEFVAR_BOOL ("mswindows-dynamic-frame-resize",
|
|
|
3165 &mswindows_dynamic_frame_resize /*
|
|
223
|
3166 *Controls redrawing frame contents during mouse-drag or keyboard resize
|
|
|
3167 operation. When non-nil, the frame is redrawn while being resized. When
|
|
|
3168 nil, frame is not redrawn, and exposed areas are filled with default
|
|
|
3169 MDI application background color. Note that this option only has effect
|
|
|
3170 if "Show window contents while dragging" is on in system Display/Plus!
|
|
|
3171 settings.
|
|
|
3172 Default is t on fast machines, nil on slow.
|
|
|
3173 */ );
|
|
|
3174
|
|
404
|
3175 DEFVAR_INT ("mswindows-mouse-button-tolerance",
|
|
|
3176 &mswindows_mouse_button_tolerance /*
|
|
223
|
3177 *Analogue of double click interval for faking middle mouse events.
|
|
|
3178 The value is the minimum time in milliseconds that must elapse between
|
|
|
3179 left/right button down events before they are considered distinct events.
|
|
|
3180 If both mouse buttons are depressed within this interval, a middle mouse
|
|
|
3181 button down event is generated instead.
|
|
|
3182 If negative or zero, currently set system default is used instead.
|
|
|
3183 */ );
|
|
|
3184
|
|
225
|
3185 DEFVAR_INT ("mswindows-num-mouse-buttons", &mswindows_num_mouse_buttons /*
|
|
223
|
3186 Number of physical mouse buttons.
|
|
|
3187 */ );
|
|
|
3188
|
|
404
|
3189 DEFVAR_INT ("mswindows-mouse-button-max-skew-x",
|
|
|
3190 &mswindows_mouse_button_max_skew_x /*
|
|
223
|
3191 *Maximum horizontal distance in pixels between points in which left and
|
|
380
|
3192 right button clicks occurred for them to be translated into single
|
|
223
|
3193 middle button event. Clicks must occur in time not longer than defined
|
|
272
|
3194 by the variable `mswindows-mouse-button-tolerance'.
|
|
223
|
3195 If negative or zero, currently set system default is used instead.
|
|
|
3196 */ );
|
|
|
3197
|
|
404
|
3198 DEFVAR_INT ("mswindows-mouse-button-max-skew-y",
|
|
|
3199 &mswindows_mouse_button_max_skew_y /*
|
|
223
|
3200 *Maximum vertical distance in pixels between points in which left and
|
|
380
|
3201 right button clicks occurred for them to be translated into single
|
|
223
|
3202 middle button event. Clicks must occur in time not longer than defined
|
|
272
|
3203 by the variable `mswindows-mouse-button-tolerance'.
|
|
223
|
3204 If negative or zero, currently set system default is used instead.
|
|
|
3205 */ );
|
|
|
3206
|
|
272
|
3207 mswindows_mouse_button_max_skew_x = 0;
|
|
|
3208 mswindows_mouse_button_max_skew_y = 0;
|
|
|
3209 mswindows_mouse_button_tolerance = 0;
|
|
404
|
3210 mswindows_alt_by_itself_activates_menu = 1;
|
|
213
|
3211 }
|
|
|
3212
|
|
|
3213 void
|
|
|
3214 syms_of_event_mswindows (void)
|
|
|
3215 {
|
|
|
3216 }
|
|
|
3217
|
|
|
3218 void
|
|
274
|
3219 lstream_type_create_mswindows_selectable (void)
|
|
|
3220 {
|
|
|
3221 init_slurp_stream ();
|
|
|
3222 init_shove_stream ();
|
|
282
|
3223 #if defined (HAVE_SOCKETS) && !defined(HAVE_MSG_SELECT)
|
|
|
3224 init_winsock_stream ();
|
|
|
3225 #endif
|
|
274
|
3226 }
|
|
|
3227
|
|
|
3228 void
|
|
213
|
3229 init_event_mswindows_late (void)
|
|
|
3230 {
|
|
278
|
3231 #ifdef HAVE_MSG_SELECT
|
|
|
3232 windows_fd = open("/dev/windows", O_RDONLY | O_NONBLOCK, 0);
|
|
|
3233 assert (windows_fd>=0);
|
|
|
3234 FD_SET (windows_fd, &input_wait_mask);
|
|
373
|
3235 FD_ZERO(&zero_mask);
|
|
278
|
3236 #endif
|
|
|
3237
|
|
213
|
3238 event_stream = mswindows_event_stream;
|
|
223
|
3239
|
|
|
3240 mswindows_dynamic_frame_resize = !GetSystemMetrics (SM_SLOWMACHINE);
|
|
|
3241 mswindows_num_mouse_buttons = GetSystemMetrics (SM_CMOUSEBUTTONS);
|
|
213
|
3242 }
|
