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412
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1 /* The mswindows event_stream interface.
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213
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2 Copyright (C) 1991, 1992, 1993, 1994, 1995 Free Software Foundation, Inc.
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3 Copyright (C) 1995 Sun Microsystems, Inc.
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412
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4 Copyright (C) 1996 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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44 # include "menubar-msw.h"
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45 #endif
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46
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284
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47 #ifdef HAVE_DRAGNDROP
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48 # include "dragdrop.h"
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49 #endif
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50
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213
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51 #include "device.h"
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52 #include "events.h"
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53 #include "frame.h"
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384
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54 #include "buffer.h"
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55 #include "faces.h"
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274
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56 #include "lstream.h"
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213
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57 #include "process.h"
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227
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58 #include "redisplay.h"
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213
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59 #include "sysproc.h"
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60 #include "syswait.h"
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61 #include "systime.h"
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278
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62 #include "sysdep.h"
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384
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63 #include "objects-msw.h"
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213
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64
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249
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65 #include "events-mod.h"
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278
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66 #ifdef HAVE_MSG_SELECT
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67 #include "sysfile.h"
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392
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68 #include "console-tty.h"
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412
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69 #elif defined(__CYGWIN32__)
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284
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70 typedef unsigned int SOCKET;
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278
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71 #endif
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276
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72 #include <io.h>
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274
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73 #include <errno.h>
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74
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420
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75 #if defined (__CYGWIN32__) && !defined (CYGWIN_VERSION_DLL_MAJOR)
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76 typedef NMHDR *LPNMHDR;
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77 #endif
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78
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249
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79 #ifdef HAVE_MENUBARS
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80 #define ADJR_MENUFLAG TRUE
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81 #else
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82 #define ADJR_MENUFLAG FALSE
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83 #endif
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84
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85 /* Fake key modifier which is attached to a quit char event.
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86 Removed upon dequeueing an event */
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87 #define FAKE_MOD_QUIT 0x80
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88
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89 /* Timer ID used for button2 emulation */
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90 #define BUTTON_2_TIMER_ID 1
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91
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412
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92 extern Lisp_Object
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93 mswindows_get_toolbar_button_text (struct frame* f, int command_id);
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94 extern Lisp_Object
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95 mswindows_handle_toolbar_wm_command (struct frame* f, HWND ctrl, WORD id);
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96 extern Lisp_Object
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97 mswindows_handle_gui_wm_command (struct frame* f, HWND ctrl, WORD id);
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98
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249
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99 static Lisp_Object mswindows_find_frame (HWND hwnd);
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100 static Lisp_Object mswindows_find_console (HWND hwnd);
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412
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101 static Lisp_Object mswindows_key_to_emacs_keysym(int mswindows_key, int mods);
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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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136 /* Brush for painting widgets */
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137 static HBRUSH widget_brush = 0;
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138 static LONG last_widget_brushed = 0;
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213
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139
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223
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140 /* Count of quit chars currently in the queue */
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249
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141 /* Incremented in WM_[SYS]KEYDOWN handler in the mswindows_wnd_proc()
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223
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142 Decremented in mswindows_dequeue_dispatch_event() */
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143 int mswindows_quit_chars_count = 0;
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144
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145 /* These are Lisp integers; see DEFVARS in this file for description. */
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146 int mswindows_dynamic_frame_resize;
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147 int mswindows_num_mouse_buttons;
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272
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148 int mswindows_mouse_button_max_skew_x;
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149 int mswindows_mouse_button_max_skew_y;
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150 int mswindows_mouse_button_tolerance;
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223
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151
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227
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152 /* This is the event signaled by the event pump.
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153 See mswindows_pump_outstanding_events for comments */
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231
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154 static Lisp_Object mswindows_error_caught_in_modal_loop;
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155 static int mswindows_in_modal_loop;
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227
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156
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157 /* Count of wound timers */
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158 static int mswindows_pending_timers_count;
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274
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159
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160 /************************************************************************/
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161 /* Pipe instream - reads process output */
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162 /************************************************************************/
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163
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164 #define PIPE_READ_DELAY 20
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165
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166 #define HANDLE_TO_USID(h) ((USID)(h))
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167
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168 #define NTPIPE_SLURP_STREAM_DATA(stream) \
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169 LSTREAM_TYPE_DATA (stream, ntpipe_slurp)
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170
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276
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171 /* This structure is allocated by the main thread, and is deallocated
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172 in the thread upon exit. There are situations when a thread
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173 remains blocked for a long time, much longer than the lstream
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380
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174 exists. For example, "start notepad" command is issued from the
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276
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175 shell, then the shell is closed by C-c C-d. Although the shell
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176 process exits, its output pipe will not get closed until the
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177 notepad process exits also, because it inherits the pipe form the
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178 shell. In this case, we abandon the thread, and let it live until
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179 all such processes exit. While struct ntpipe_slurp_stream is
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180 deallocated in this case, ntpipe_slurp_stream_shared_data are not. */
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181
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182 struct ntpipe_slurp_stream_shared_data
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274
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183 {
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184 HANDLE hev_thread; /* Our thread blocks on this, signaled by caller */
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412
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185 /* This is a manual-reset object. */
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274
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186 HANDLE hev_caller; /* Caller blocks on this, and we signal it */
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412
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187 /* This is a manual-reset object. */
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274
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188 HANDLE hev_unsleep; /* Pipe read delay is canceled if this is set */
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412
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189 /* This is a manual-reset object. */
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274
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190 HANDLE hpipe; /* Pipe read end handle. */
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276
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191 LONG die_p; /* Thread must exit ASAP if non-zero */
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274
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192 BOOL eof_p : 1; /* Set when thread saw EOF */
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193 BOOL error_p : 1; /* Read error other than EOF/broken pipe */
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276
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194 BOOL inuse_p : 1; /* this structure is in use */
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195 LONG lock_count; /* Client count of this struct, 0=safe to free */
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196 BYTE onebyte; /* One byte buffer read by thread */
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197 };
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198
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199 #define MAX_SLURP_STREAMS 32
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412
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200 struct ntpipe_slurp_stream_shared_data
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278
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201 shared_data_block[MAX_SLURP_STREAMS]={{0}};
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276
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202
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203 struct ntpipe_slurp_stream
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204 {
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205 LPARAM user_data; /* Any user data stored in the stream object */
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206 struct ntpipe_slurp_stream_shared_data* thread_data;
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274
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207 };
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208
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|
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209 DEFINE_LSTREAM_IMPLEMENTATION ("ntpipe-input", lstream_ntpipe_slurp,
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210 sizeof (struct ntpipe_slurp_stream));
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211
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276
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212 /* This function is thread-safe, and is called from either thread
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380
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213 context. It serializes freeing shared data structure */
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276
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214 static void
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215 slurper_free_shared_data_maybe (struct ntpipe_slurp_stream_shared_data* s)
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216 {
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217 if (InterlockedDecrement (&s->lock_count) == 0)
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218 {
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219 /* Destroy events */
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220 CloseHandle (s->hev_thread);
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221 CloseHandle (s->hev_caller);
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222 CloseHandle (s->hev_unsleep);
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223 s->inuse_p = 0;
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224 }
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225 }
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226
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227 static struct ntpipe_slurp_stream_shared_data*
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412
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228 slurper_allocate_shared_data()
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276
|
229 {
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230 int i=0;
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231 for (i=0; i<MAX_SLURP_STREAMS; i++)
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232 {
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233 if (!shared_data_block[i].inuse_p)
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234 {
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235 shared_data_block[i].inuse_p=1;
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236 return &shared_data_block[i];
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237 }
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238 }
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239 return (struct ntpipe_slurp_stream_shared_data*)0;
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240 }
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241
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274
|
242 static DWORD WINAPI
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243 slurp_thread (LPVOID vparam)
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244 {
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276
|
245 struct ntpipe_slurp_stream_shared_data *s =
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246 (struct ntpipe_slurp_stream_shared_data*)vparam;
|
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274
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247
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248 for (;;)
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249 {
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250 /* Read one byte from the pipe */
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251 DWORD actually_read;
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252 if (!ReadFile (s->hpipe, &s->onebyte, 1, &actually_read, NULL))
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253 {
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254 DWORD err = GetLastError ();
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255 if (err == ERROR_BROKEN_PIPE || err == ERROR_NO_DATA)
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256 s->eof_p = TRUE;
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257 else
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258 s->error_p = TRUE;
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259 }
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260 else if (actually_read == 0)
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261 s->eof_p = TRUE;
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262
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263 /* We must terminate on an error or eof */
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264 if (s->eof_p || s->error_p)
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265 InterlockedIncrement (&s->die_p);
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266
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267 /* Before we notify caller, we unsignal our event. */
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268 ResetEvent (s->hev_thread);
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269
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270 /* Now we got something to notify caller, either a byte or an
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271 error/eof indication. Before we do, allow internal pipe
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412
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272 buffer to accumulate little bit more data.
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274
|
273 Reader function pulses this event before waiting for
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276
|
274 a character, to avoid pipe delay, and to get the byte
|
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274
|
275 immediately. */
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276 if (!s->die_p)
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277 WaitForSingleObject (s->hev_unsleep, PIPE_READ_DELAY);
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278
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|
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279 /* Either make event loop generate a process event, or
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280 inblock reader */
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281 SetEvent (s->hev_caller);
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282
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283 /* Cleanup and exit if we're shot off */
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284 if (s->die_p)
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285 break;
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286
|
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380
|
287 /* Block until the client finishes with retrieving the rest of
|
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274
|
288 pipe data */
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289 WaitForSingleObject (s->hev_thread, INFINITE);
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290 }
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291
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276
|
292 slurper_free_shared_data_maybe (s);
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293
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274
|
294 return 0;
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|
|
295 }
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296
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|
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297 static Lisp_Object
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298 make_ntpipe_input_stream (HANDLE hpipe, LPARAM param)
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|
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299 {
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|
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300 Lisp_Object obj;
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301 Lstream *lstr = Lstream_new (lstream_ntpipe_slurp, "r");
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302 struct ntpipe_slurp_stream* s = NTPIPE_SLURP_STREAM_DATA (lstr);
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303 DWORD thread_id_unused;
|
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276
|
304 HANDLE hthread;
|
|
274
|
305
|
|
|
306 /* We deal only with pipes, for we're using PeekNamedPipe api */
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|
|
307 assert (GetFileType (hpipe) == FILE_TYPE_PIPE);
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|
|
308
|
|
276
|
309 s->thread_data = slurper_allocate_shared_data();
|
|
274
|
310
|
|
276
|
311 /* Create reader thread. This could fail, so do not create events
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|
|
312 until thread is created */
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|
|
313 hthread = CreateThread (NULL, 0, slurp_thread, (LPVOID)s->thread_data,
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|
|
314 CREATE_SUSPENDED, &thread_id_unused);
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|
|
315 if (hthread == NULL)
|
|
274
|
316 {
|
|
|
317 Lstream_delete (lstr);
|
|
276
|
318 s->thread_data->inuse_p=0;
|
|
274
|
319 return Qnil;
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|
|
320 }
|
|
|
321
|
|
276
|
322 /* Shared data are initially owned by both main and slurper
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|
|
323 threads. */
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|
|
324 s->thread_data->lock_count = 2;
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|
|
325 s->thread_data->die_p = 0;
|
|
|
326 s->thread_data->eof_p = FALSE;
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|
|
327 s->thread_data->error_p = FALSE;
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|
|
328 s->thread_data->hpipe = hpipe;
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|
|
329 s->user_data = param;
|
|
|
330
|
|
274
|
331 /* hev_thread is a manual-reset event, initially signaled */
|
|
276
|
332 s->thread_data->hev_thread = CreateEvent (NULL, TRUE, TRUE, NULL);
|
|
274
|
333 /* hev_caller is a manual-reset event, initially nonsignaled */
|
|
276
|
334 s->thread_data->hev_caller = CreateEvent (NULL, TRUE, FALSE, NULL);
|
|
274
|
335 /* hev_unsleep is a manual-reset event, initially nonsignaled */
|
|
276
|
336 s->thread_data->hev_unsleep = CreateEvent (NULL, TRUE, FALSE, NULL);
|
|
274
|
337
|
|
|
338 /* Now let it go */
|
|
276
|
339 ResumeThread (hthread);
|
|
|
340 CloseHandle (hthread);
|
|
274
|
341
|
|
|
342 lstr->flags |= LSTREAM_FL_CLOSE_AT_DISKSAVE;
|
|
|
343 XSETLSTREAM (obj, lstr);
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|
|
344 return obj;
|
|
|
345 }
|
|
|
346
|
|
|
347 static LPARAM
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|
|
348 get_ntpipe_input_stream_param (Lstream *stream)
|
|
|
349 {
|
|
|
350 struct ntpipe_slurp_stream* s = NTPIPE_SLURP_STREAM_DATA(stream);
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|
|
351 return s->user_data;
|
|
|
352 }
|
|
|
353
|
|
|
354 static HANDLE
|
|
|
355 get_ntpipe_input_stream_waitable (Lstream *stream)
|
|
|
356 {
|
|
|
357 struct ntpipe_slurp_stream* s = NTPIPE_SLURP_STREAM_DATA(stream);
|
|
276
|
358 return s->thread_data->hev_caller;
|
|
274
|
359 }
|
|
|
360
|
|
412
|
361 static int
|
|
274
|
362 ntpipe_slurp_reader (Lstream *stream, unsigned char *data, size_t size)
|
|
|
363 {
|
|
|
364 /* This function must be called from the main thread only */
|
|
412
|
365 struct ntpipe_slurp_stream_shared_data* s =
|
|
276
|
366 NTPIPE_SLURP_STREAM_DATA(stream)->thread_data;
|
|
274
|
367
|
|
|
368 if (!s->die_p)
|
|
|
369 {
|
|
|
370 DWORD wait_result;
|
|
276
|
371 /* Disallow pipe read delay for the thread: we need a character
|
|
|
372 ASAP */
|
|
274
|
373 SetEvent (s->hev_unsleep);
|
|
412
|
374
|
|
276
|
375 /* Check if we have a character ready. Give it a short delay,
|
|
|
376 for the thread to awake from pipe delay, just ion case*/
|
|
274
|
377 wait_result = WaitForSingleObject (s->hev_caller, 2);
|
|
|
378
|
|
|
379 /* Revert to the normal sleep behavior. */
|
|
|
380 ResetEvent (s->hev_unsleep);
|
|
|
381
|
|
|
382 /* If there's no byte buffered yet, give up */
|
|
|
383 if (wait_result == WAIT_TIMEOUT)
|
|
|
384 {
|
|
|
385 errno = EAGAIN;
|
|
|
386 return -1;
|
|
|
387 }
|
|
|
388 }
|
|
|
389
|
|
|
390 /* Reset caller unlock event now, as we've handled the pending
|
|
|
391 process output event */
|
|
|
392 ResetEvent (s->hev_caller);
|
|
|
393
|
|
|
394 /* It is now safe to do anything with contents of S, except for
|
|
|
395 changing s->die_p, which still should be interlocked */
|
|
|
396
|
|
|
397 if (s->eof_p)
|
|
|
398 return 0;
|
|
|
399 if (s->error_p || s->die_p)
|
|
|
400 return -1;
|
|
|
401
|
|
276
|
402 /* Ok, there were no error neither eof - we've got a byte from the
|
|
|
403 pipe */
|
|
274
|
404 *(data++) = s->onebyte;
|
|
|
405 --size;
|
|
|
406
|
|
276
|
407 {
|
|
|
408 DWORD bytes_read = 0;
|
|
|
409 if (size > 0)
|
|
|
410 {
|
|
|
411 DWORD bytes_available;
|
|
274
|
412
|
|
276
|
413 /* If the api call fails, return at least one byte already
|
|
|
414 read. ReadFile in thread will return error */
|
|
|
415 if (PeekNamedPipe (s->hpipe, NULL, 0, NULL, &bytes_available, NULL))
|
|
|
416 {
|
|
274
|
417
|
|
276
|
418 /* Fetch available bytes. The same consideration applies,
|
|
|
419 so do not check for errors. ReadFile in the thread will
|
|
|
420 fail if the next call fails. */
|
|
|
421 if (bytes_available)
|
|
|
422 ReadFile (s->hpipe, data, min (bytes_available, size),
|
|
|
423 &bytes_read, NULL);
|
|
|
424 }
|
|
412
|
425
|
|
276
|
426 /* Now we can unblock thread, so it attempts to read more */
|
|
|
427 SetEvent (s->hev_thread);
|
|
|
428 return bytes_read + 1;
|
|
|
429 }
|
|
|
430 }
|
|
278
|
431 return 0;
|
|
274
|
432 }
|
|
|
433
|
|
412
|
434 static int
|
|
274
|
435 ntpipe_slurp_closer (Lstream *stream)
|
|
|
436 {
|
|
|
437 /* This function must be called from the main thread only */
|
|
412
|
438 struct ntpipe_slurp_stream_shared_data* s =
|
|
276
|
439 NTPIPE_SLURP_STREAM_DATA(stream)->thread_data;
|
|
274
|
440
|
|
|
441 /* Force thread to stop */
|
|
|
442 InterlockedIncrement (&s->die_p);
|
|
|
443
|
|
276
|
444 /* Set events which could possibly block slurper. Let it finish soon
|
|
|
445 or later. */
|
|
274
|
446 SetEvent (s->hev_unsleep);
|
|
|
447 SetEvent (s->hev_thread);
|
|
|
448
|
|
276
|
449 /* Unlock and maybe free shared data */
|
|
|
450 slurper_free_shared_data_maybe (s);
|
|
274
|
451
|
|
|
452 return 0;
|
|
|
453 }
|
|
|
454
|
|
|
455 static void
|
|
|
456 init_slurp_stream (void)
|
|
|
457 {
|
|
|
458 LSTREAM_HAS_METHOD (ntpipe_slurp, reader);
|
|
|
459 LSTREAM_HAS_METHOD (ntpipe_slurp, closer);
|
|
|
460 }
|
|
|
461
|
|
|
462 /************************************************************************/
|
|
|
463 /* Pipe outstream - writes process input */
|
|
|
464 /************************************************************************/
|
|
|
465
|
|
|
466 #define NTPIPE_SHOVE_STREAM_DATA(stream) \
|
|
|
467 LSTREAM_TYPE_DATA (stream, ntpipe_shove)
|
|
|
468
|
|
412
|
469 #define MAX_SHOVE_BUFFER_SIZE 128
|
|
|
470
|
|
274
|
471 struct ntpipe_shove_stream
|
|
|
472 {
|
|
|
473 LPARAM user_data; /* Any user data stored in the stream object */
|
|
|
474 HANDLE hev_thread; /* Our thread blocks on this, signaled by caller */
|
|
412
|
475 /* This is an auto-reset object. */
|
|
274
|
476 HANDLE hpipe; /* Pipe write end handle. */
|
|
|
477 HANDLE hthread; /* Reader thread handle. */
|
|
276
|
478 char buffer[MAX_SHOVE_BUFFER_SIZE]; /* Buffer being written */
|
|
274
|
479 DWORD size; /* Number of bytes to write */
|
|
276
|
480 LONG die_p; /* Thread must exit ASAP if non-zero */
|
|
|
481 LONG idle_p; /* Non-zero if thread is waiting for job */
|
|
274
|
482 BOOL error_p : 1; /* Read error other than EOF/broken pipe */
|
|
|
483 BOOL blocking_p : 1;/* Last write attempt would cause blocking */
|
|
|
484 };
|
|
|
485
|
|
|
486 DEFINE_LSTREAM_IMPLEMENTATION ("ntpipe-output", lstream_ntpipe_shove,
|
|
|
487 sizeof (struct ntpipe_shove_stream));
|
|
|
488
|
|
384
|
489 #ifndef HAVE_MSG_SELECT
|
|
274
|
490 static DWORD WINAPI
|
|
|
491 shove_thread (LPVOID vparam)
|
|
|
492 {
|
|
|
493 struct ntpipe_shove_stream *s = (struct ntpipe_shove_stream*) vparam;
|
|
|
494
|
|
|
495 for (;;)
|
|
|
496 {
|
|
412
|
497 DWORD bytes_written;
|
|
274
|
498
|
|
|
499 /* Block on event and wait for a job */
|
|
|
500 InterlockedIncrement (&s->idle_p);
|
|
|
501 WaitForSingleObject (s->hev_thread, INFINITE);
|
|
|
502
|
|
412
|
503 if (s->die_p)
|
|
|
504 break;
|
|
|
505
|
|
|
506 /* Write passed buffer */
|
|
|
507 if (!WriteFile (s->hpipe, s->buffer, s->size, &bytes_written, NULL)
|
|
|
508 || bytes_written != s->size)
|
|
274
|
509 {
|
|
412
|
510 s->error_p = TRUE;
|
|
|
511 InterlockedIncrement (&s->die_p);
|
|
274
|
512 }
|
|
|
513
|
|
|
514 if (s->die_p)
|
|
|
515 break;
|
|
|
516 }
|
|
|
517
|
|
|
518 return 0;
|
|
|
519 }
|
|
|
520
|
|
|
521 static Lisp_Object
|
|
|
522 make_ntpipe_output_stream (HANDLE hpipe, LPARAM param)
|
|
|
523 {
|
|
|
524 Lisp_Object obj;
|
|
|
525 Lstream *lstr = Lstream_new (lstream_ntpipe_shove, "w");
|
|
|
526 struct ntpipe_shove_stream* s = NTPIPE_SHOVE_STREAM_DATA (lstr);
|
|
|
527 DWORD thread_id_unused;
|
|
|
528
|
|
|
529 s->die_p = 0;
|
|
|
530 s->error_p = FALSE;
|
|
|
531 s->hpipe = hpipe;
|
|
|
532 s->user_data = param;
|
|
|
533
|
|
412
|
534 /* Create reader thread. This could fail, so do not
|
|
274
|
535 create the event until thread is created */
|
|
|
536 s->hthread = CreateThread (NULL, 0, shove_thread, (LPVOID)s,
|
|
|
537 CREATE_SUSPENDED, &thread_id_unused);
|
|
|
538 if (s->hthread == NULL)
|
|
|
539 {
|
|
|
540 Lstream_delete (lstr);
|
|
|
541 return Qnil;
|
|
|
542 }
|
|
|
543
|
|
|
544 /* hev_thread is an auto-reset event, initially nonsignaled */
|
|
|
545 s->hev_thread = CreateEvent (NULL, FALSE, FALSE, NULL);
|
|
|
546
|
|
|
547 /* Now let it go */
|
|
|
548 ResumeThread (s->hthread);
|
|
|
549
|
|
|
550 lstr->flags |= LSTREAM_FL_CLOSE_AT_DISKSAVE;
|
|
|
551 XSETLSTREAM (obj, lstr);
|
|
|
552 return obj;
|
|
|
553 }
|
|
|
554
|
|
|
555 static LPARAM
|
|
|
556 get_ntpipe_output_stream_param (Lstream *stream)
|
|
|
557 {
|
|
|
558 struct ntpipe_shove_stream* s = NTPIPE_SHOVE_STREAM_DATA(stream);
|
|
|
559 return s->user_data;
|
|
|
560 }
|
|
384
|
561 #endif
|
|
274
|
562
|
|
412
|
563 static int
|
|
274
|
564 ntpipe_shove_writer (Lstream *stream, const unsigned char *data, size_t size)
|
|
|
565 {
|
|
|
566 struct ntpipe_shove_stream* s = NTPIPE_SHOVE_STREAM_DATA(stream);
|
|
|
567
|
|
|
568 if (s->error_p)
|
|
|
569 return -1;
|
|
|
570
|
|
|
571 s->blocking_p = !s->idle_p;
|
|
|
572 if (s->blocking_p)
|
|
|
573 return 0;
|
|
|
574
|
|
276
|
575 if (size>MAX_SHOVE_BUFFER_SIZE)
|
|
|
576 return 0;
|
|
|
577
|
|
274
|
578 memcpy (s->buffer, data, size);
|
|
|
579 s->size = size;
|
|
|
580
|
|
|
581 /* Start output */
|
|
|
582 InterlockedDecrement (&s->idle_p);
|
|
|
583 SetEvent (s->hev_thread);
|
|
|
584 return size;
|
|
|
585 }
|
|
|
586
|
|
|
587 static int
|
|
|
588 ntpipe_shove_was_blocked_p (Lstream *stream)
|
|
|
589 {
|
|
|
590 struct ntpipe_shove_stream* s = NTPIPE_SHOVE_STREAM_DATA(stream);
|
|
|
591 return s->blocking_p;
|
|
|
592 }
|
|
|
593
|
|
|
594 static int
|
|
|
595 ntpipe_shove_closer (Lstream *stream)
|
|
|
596 {
|
|
|
597 struct ntpipe_shove_stream* s = NTPIPE_SHOVE_STREAM_DATA(stream);
|
|
|
598
|
|
|
599 /* Force thread stop */
|
|
|
600 InterlockedIncrement (&s->die_p);
|
|
|
601
|
|
412
|
602 /* Close pipe handle, possibly breaking it */
|
|
|
603 CloseHandle (s->hpipe);
|
|
|
604
|
|
|
605 /* Thread will end upon unblocking */
|
|
274
|
606 SetEvent (s->hev_thread);
|
|
|
607
|
|
|
608 /* Wait while thread terminates */
|
|
|
609 WaitForSingleObject (s->hthread, INFINITE);
|
|
|
610 CloseHandle (s->hthread);
|
|
|
611
|
|
|
612 /* Destroy the event */
|
|
|
613 CloseHandle (s->hev_thread);
|
|
|
614
|
|
|
615 return 0;
|
|
|
616 }
|
|
|
617
|
|
|
618 static void
|
|
|
619 init_shove_stream (void)
|
|
|
620 {
|
|
|
621 LSTREAM_HAS_METHOD (ntpipe_shove, writer);
|
|
|
622 LSTREAM_HAS_METHOD (ntpipe_shove, was_blocked_p);
|
|
|
623 LSTREAM_HAS_METHOD (ntpipe_shove, closer);
|
|
|
624 }
|
|
|
625
|
|
|
626 /************************************************************************/
|
|
282
|
627 /* Winsock I/O stream */
|
|
|
628 /************************************************************************/
|
|
|
629 #if defined (HAVE_SOCKETS) && !defined(HAVE_MSG_SELECT)
|
|
|
630
|
|
|
631 #define WINSOCK_READ_BUFFER_SIZE 1024
|
|
|
632
|
|
|
633 struct winsock_stream
|
|
|
634 {
|
|
|
635 LPARAM user_data; /* Any user data stored in the stream object */
|
|
|
636 SOCKET s; /* Socket handle (which is a Win32 handle) */
|
|
|
637 OVERLAPPED ov; /* Overlapped I/O structure */
|
|
|
638 void* buffer; /* Buffer. Allocated for input stream only */
|
|
412
|
639 unsigned int bufsize; /* Number of bytes last read */
|
|
|
640 unsigned int bufpos; /* Position in buffer for next fetch */
|
|
282
|
641 unsigned int error_p :1; /* I/O Error seen */
|
|
|
642 unsigned int eof_p :1; /* EOF Error seen */
|
|
|
643 unsigned int pending_p :1; /* There is a pending I/O operation */
|
|
|
644 unsigned int blocking_p :1; /* Last write attempt would block */
|
|
|
645 };
|
|
|
646
|
|
|
647 #define WINSOCK_STREAM_DATA(stream) LSTREAM_TYPE_DATA (stream, winsock)
|
|
|
648
|
|
|
649 DEFINE_LSTREAM_IMPLEMENTATION ("winsock", lstream_winsock,
|
|
|
650 sizeof (struct winsock_stream));
|
|
|
651
|
|
|
652 static void
|
|
|
653 winsock_initiate_read (struct winsock_stream *str)
|
|
|
654 {
|
|
|
655 ResetEvent (str->ov.hEvent);
|
|
|
656 str->bufpos = 0;
|
|
|
657
|
|
|
658 if (!ReadFile ((HANDLE)str->s, str->buffer, WINSOCK_READ_BUFFER_SIZE,
|
|
|
659 &str->bufsize, &str->ov))
|
|
|
660 {
|
|
|
661 if (GetLastError () == ERROR_IO_PENDING)
|
|
|
662 str->pending_p = 1;
|
|
|
663 else if (GetLastError () == ERROR_HANDLE_EOF)
|
|
|
664 str->eof_p = 1;
|
|
|
665 else
|
|
|
666 str->error_p = 1;
|
|
|
667 }
|
|
|
668 else if (str->bufsize == 0)
|
|
|
669 str->eof_p = 1;
|
|
|
670 }
|
|
|
671
|
|
412
|
672 static int
|
|
282
|
673 winsock_reader (Lstream *stream, unsigned char *data, size_t size)
|
|
|
674 {
|
|
|
675 struct winsock_stream *str = WINSOCK_STREAM_DATA (stream);
|
|
|
676
|
|
|
677 /* If the current operation is not yet complete, there's nothing to
|
|
|
678 give back */
|
|
|
679 if (str->pending_p)
|
|
|
680 {
|
|
|
681 if (WaitForSingleObject (str->ov.hEvent, 0) == WAIT_TIMEOUT)
|
|
|
682 {
|
|
|
683 errno = EAGAIN;
|
|
|
684 return -1;
|
|
|
685 }
|
|
|
686 else
|
|
|
687 {
|
|
|
688 if (!GetOverlappedResult ((HANDLE)str->s, &str->ov, &str->bufsize, TRUE))
|
|
|
689 {
|
|
|
690 if (GetLastError() == ERROR_HANDLE_EOF)
|
|
|
691 str->bufsize = 0;
|
|
|
692 else
|
|
|
693 str->error_p = 1;
|
|
|
694 }
|
|
|
695 if (str->bufsize == 0)
|
|
|
696 str->eof_p = 1;
|
|
|
697 str->pending_p = 0;
|
|
|
698 }
|
|
|
699 }
|
|
|
700
|
|
|
701 if (str->eof_p)
|
|
|
702 return 0;
|
|
|
703 if (str->error_p)
|
|
|
704 return -1;
|
|
412
|
705
|
|
282
|
706 /* Return as much of buffer as we have */
|
|
|
707 size = min (size, (size_t) (str->bufsize - str->bufpos));
|
|
|
708 memcpy (data, (void*)((BYTE*)str->buffer + str->bufpos), size);
|
|
|
709 str->bufpos += size;
|
|
|
710
|
|
|
711 /* Read more if buffer is exhausted */
|
|
|
712 if (str->bufsize == str->bufpos)
|
|
|
713 winsock_initiate_read (str);
|
|
|
714
|
|
|
715 return size;
|
|
|
716 }
|
|
|
717
|
|
412
|
718 static int
|
|
|
719 winsock_writer (Lstream *stream, CONST unsigned char *data, size_t size)
|
|
282
|
720 {
|
|
|
721 struct winsock_stream *str = WINSOCK_STREAM_DATA (stream);
|
|
|
722
|
|
|
723 if (str->pending_p)
|
|
|
724 {
|
|
|
725 if (WaitForSingleObject (str->ov.hEvent, 0) == WAIT_TIMEOUT)
|
|
|
726 {
|
|
|
727 str->blocking_p = 1;
|
|
|
728 return -1;
|
|
|
729 }
|
|
|
730 else
|
|
|
731 {
|
|
|
732 DWORD dw_unused;
|
|
|
733 if (!GetOverlappedResult ((HANDLE)str->s, &str->ov, &dw_unused, TRUE))
|
|
|
734 str->error_p = 1;
|
|
|
735 str->pending_p = 0;
|
|
|
736 }
|
|
|
737 }
|
|
|
738
|
|
|
739 str->blocking_p = 0;
|
|
|
740
|
|
|
741 if (str->error_p)
|
|
|
742 return -1;
|
|
|
743
|
|
|
744 if (size == 0)
|
|
|
745 return 0;
|
|
412
|
746
|
|
282
|
747 {
|
|
|
748 ResetEvent (str->ov.hEvent);
|
|
373
|
749
|
|
|
750 /* Docs indicate that 4th parameter to WriteFile can be NULL since this is
|
|
|
751 * an overlapped operation. This fails on Win95 with winsock 1.x so we
|
|
|
752 * supply a spare address which is ignored by Win95 anyway. Sheesh. */
|
|
|
753 if (WriteFile ((HANDLE)str->s, data, size, (LPDWORD)&str->buffer, &str->ov)
|
|
282
|
754 || GetLastError() == ERROR_IO_PENDING)
|
|
|
755 str->pending_p = 1;
|
|
|
756 else
|
|
|
757 str->error_p = 1;
|
|
|
758 }
|
|
|
759
|
|
|
760 return str->error_p ? -1 : size;
|
|
|
761 }
|
|
|
762
|
|
|
763 static int
|
|
|
764 winsock_closer (Lstream *lstr)
|
|
|
765 {
|
|
|
766 struct winsock_stream *str = WINSOCK_STREAM_DATA (lstr);
|
|
|
767
|
|
|
768 if (lstr->flags & LSTREAM_FL_READ)
|
|
|
769 shutdown (str->s, 0);
|
|
|
770 else
|
|
|
771 shutdown (str->s, 1);
|
|
|
772
|
|
|
773 CloseHandle ((HANDLE)str->s);
|
|
|
774 if (str->pending_p)
|
|
|
775 WaitForSingleObject (str->ov.hEvent, INFINITE);
|
|
|
776
|
|
|
777 if (lstr->flags & LSTREAM_FL_READ)
|
|
|
778 xfree (str->buffer);
|
|
|
779
|
|
|
780 CloseHandle (str->ov.hEvent);
|
|
|
781 return 0;
|
|
|
782 }
|
|
|
783
|
|
|
784 static int
|
|
|
785 winsock_was_blocked_p (Lstream *stream)
|
|
|
786 {
|
|
|
787 struct winsock_stream *str = WINSOCK_STREAM_DATA (stream);
|
|
|
788 return str->blocking_p;
|
|
|
789 }
|
|
|
790
|
|
|
791 static Lisp_Object
|
|
412
|
792 make_winsock_stream_1 (SOCKET s, LPARAM param, CONST char *mode)
|
|
282
|
793 {
|
|
|
794 Lisp_Object obj;
|
|
|
795 Lstream *lstr = Lstream_new (lstream_winsock, mode);
|
|
|
796 struct winsock_stream *str = WINSOCK_STREAM_DATA (lstr);
|
|
|
797
|
|
|
798 str->s = s;
|
|
|
799 str->blocking_p = 0;
|
|
|
800 str->error_p = 0;
|
|
|
801 str->eof_p = 0;
|
|
|
802 str->pending_p = 0;
|
|
|
803 str->user_data = param;
|
|
|
804
|
|
|
805 xzero (str->ov);
|
|
|
806 str->ov.hEvent = CreateEvent (NULL, TRUE, FALSE, NULL);
|
|
|
807
|
|
|
808 if (lstr->flags & LSTREAM_FL_READ)
|
|
|
809 {
|
|
|
810 str->buffer = xmalloc (WINSOCK_READ_BUFFER_SIZE);
|
|
|
811 winsock_initiate_read (str);
|
|
|
812 }
|
|
|
813
|
|
|
814 lstr->flags |= LSTREAM_FL_CLOSE_AT_DISKSAVE;
|
|
|
815 XSETLSTREAM (obj, lstr);
|
|
|
816 return obj;
|
|
|
817 }
|
|
|
818
|
|
|
819 static Lisp_Object
|
|
|
820 make_winsock_input_stream (SOCKET s, LPARAM param)
|
|
|
821 {
|
|
|
822 return make_winsock_stream_1 (s, param, "r");
|
|
|
823 }
|
|
|
824
|
|
|
825 static Lisp_Object
|
|
|
826 make_winsock_output_stream (SOCKET s, LPARAM param)
|
|
|
827 {
|
|
|
828 return make_winsock_stream_1 (s, param, "w");
|
|
|
829 }
|
|
|
830
|
|
|
831 static HANDLE
|
|
|
832 get_winsock_stream_waitable (Lstream *lstr)
|
|
|
833 {
|
|
|
834 struct winsock_stream *str = WINSOCK_STREAM_DATA (lstr);
|
|
|
835 return str->ov.hEvent;
|
|
|
836 }
|
|
|
837
|
|
|
838 static LPARAM
|
|
|
839 get_winsock_stream_param (Lstream *lstr)
|
|
|
840 {
|
|
|
841 struct winsock_stream *str = WINSOCK_STREAM_DATA (lstr);
|
|
|
842 return str->user_data;
|
|
|
843 }
|
|
|
844
|
|
|
845 static void
|
|
|
846 init_winsock_stream (void)
|
|
|
847 {
|
|
|
848 LSTREAM_HAS_METHOD (winsock, reader);
|
|
|
849 LSTREAM_HAS_METHOD (winsock, writer);
|
|
|
850 LSTREAM_HAS_METHOD (winsock, closer);
|
|
|
851 LSTREAM_HAS_METHOD (winsock, was_blocked_p);
|
|
|
852 }
|
|
|
853 #endif /* defined (HAVE_SOCKETS) */
|
|
|
854
|
|
|
855 /************************************************************************/
|
|
274
|
856 /* Dispatch queue management */
|
|
|
857 /************************************************************************/
|
|
227
|
858
|
|
223
|
859 static int
|
|
412
|
860 mswindows_user_event_p (struct Lisp_Event* sevt)
|
|
223
|
861 {
|
|
|
862 return (sevt->event_type == key_press_event
|
|
|
863 || sevt->event_type == button_press_event
|
|
288
|
864 || sevt->event_type == button_release_event
|
|
|
865 || sevt->event_type == misc_user_event);
|
|
223
|
866 }
|
|
|
867
|
|
412
|
868 /*
|
|
223
|
869 * Add an emacs event to the proper dispatch queue
|
|
219
|
870 */
|
|
412
|
871 static void
|
|
213
|
872 mswindows_enqueue_dispatch_event (Lisp_Object event)
|
|
|
873 {
|
|
223
|
874 int user_p = mswindows_user_event_p (XEVENT(event));
|
|
|
875 enqueue_event (event,
|
|
412
|
876 user_p ? &mswindows_u_dispatch_event_queue :
|
|
|
877 &mswindows_s_dispatch_event_queue,
|
|
223
|
878 user_p ? &mswindows_u_dispatch_event_queue_tail :
|
|
412
|
879 &mswindows_s_dispatch_event_queue_tail);
|
|
223
|
880
|
|
276
|
881 /* Avoid blocking on WaitMessage */
|
|
223
|
882 PostMessage (NULL, XM_BUMPQUEUE, 0, 0);
|
|
213
|
883 }
|
|
|
884
|
|
288
|
885 /*
|
|
|
886 * Add a misc-user event to the dispatch queue.
|
|
|
887 *
|
|
|
888 * Stuff it into our own dispatch queue, so we have something
|
|
|
889 * to return from next_event callback.
|
|
|
890 */
|
|
249
|
891 void
|
|
288
|
892 mswindows_enqueue_misc_user_event (Lisp_Object channel, Lisp_Object function,
|
|
|
893 Lisp_Object object)
|
|
276
|
894 {
|
|
288
|
895 Lisp_Object event = Fmake_event (Qnil, Qnil);
|
|
412
|
896 struct Lisp_Event* e = XEVENT (event);
|
|
276
|
897
|
|
288
|
898 e->event_type = misc_user_event;
|
|
|
899 e->channel = channel;
|
|
|
900 e->event.misc.function = function;
|
|
|
901 e->event.misc.object = object;
|
|
276
|
902
|
|
288
|
903 mswindows_enqueue_dispatch_event (event);
|
|
276
|
904 }
|
|
|
905
|
|
298
|
906 void
|
|
412
|
907 mswindows_enqueue_magic_event (HWND hwnd, UINT message)
|
|
249
|
908 {
|
|
|
909 Lisp_Object emacs_event = Fmake_event (Qnil, Qnil);
|
|
412
|
910 struct Lisp_Event* event = XEVENT (emacs_event);
|
|
249
|
911
|
|
288
|
912 event->channel = hwnd ? mswindows_find_frame (hwnd) : Qnil;
|
|
249
|
913 event->timestamp = GetMessageTime();
|
|
|
914 event->event_type = magic_event;
|
|
412
|
915 EVENT_MSWINDOWS_MAGIC_TYPE (event) = message;
|
|
249
|
916
|
|
|
917 mswindows_enqueue_dispatch_event (emacs_event);
|
|
|
918 }
|
|
|
919
|
|
|
920 static void
|
|
412
|
921 mswindows_enqueue_process_event (struct Lisp_Process* p)
|
|
274
|
922 {
|
|
|
923 Lisp_Object emacs_event = Fmake_event (Qnil, Qnil);
|
|
412
|
924 struct Lisp_Event* event = XEVENT (emacs_event);
|
|
274
|
925 Lisp_Object process;
|
|
|
926 XSETPROCESS (process, p);
|
|
|
927
|
|
|
928 event->event_type = process_event;
|
|
|
929 event->timestamp = GetTickCount ();
|
|
|
930 event->event.process.process = process;
|
|
|
931
|
|
|
932 mswindows_enqueue_dispatch_event (emacs_event);
|
|
|
933 }
|
|
|
934
|
|
|
935 static void
|
|
412
|
936 mswindows_enqueue_mouse_button_event (HWND hwnd, UINT message, POINTS where, DWORD when)
|
|
249
|
937 {
|
|
|
938
|
|
|
939 /* We always use last message time, because mouse button
|
|
|
940 events may get delayed, and XEmacs double click
|
|
|
941 recognition will fail */
|
|
|
942
|
|
|
943 Lisp_Object emacs_event = Fmake_event (Qnil, Qnil);
|
|
412
|
944 struct Lisp_Event* event = XEVENT(emacs_event);
|
|
|
945
|
|
|
946 event->channel = mswindows_find_frame(hwnd);
|
|
249
|
947 event->timestamp = when;
|
|
|
948 event->event.button.button =
|
|
412
|
949 (message==WM_LBUTTONDOWN || message==WM_LBUTTONUP) ? 1 :
|
|
|
950 ((message==WM_RBUTTONDOWN || message==WM_RBUTTONUP) ? 3 : 2);
|
|
249
|
951 event->event.button.x = where.x;
|
|
|
952 event->event.button.y = where.y;
|
|
|
953 event->event.button.modifiers = mswindows_modifier_state (NULL, 0);
|
|
412
|
954
|
|
|
955 if (message==WM_LBUTTONDOWN || message==WM_MBUTTONDOWN ||
|
|
|
956 message==WM_RBUTTONDOWN)
|
|
249
|
957 {
|
|
|
958 event->event_type = button_press_event;
|
|
|
959 SetCapture (hwnd);
|
|
384
|
960 /* we need this to make sure the main window regains the focus
|
|
|
961 from control subwindows */
|
|
|
962 if (GetFocus() != hwnd)
|
|
|
963 {
|
|
|
964 SetFocus (hwnd);
|
|
|
965 mswindows_enqueue_magic_event (hwnd, WM_SETFOCUS);
|
|
|
966 }
|
|
249
|
967 }
|
|
|
968 else
|
|
|
969 {
|
|
|
970 event->event_type = button_release_event;
|
|
|
971 ReleaseCapture ();
|
|
|
972 }
|
|
412
|
973
|
|
249
|
974 mswindows_enqueue_dispatch_event (emacs_event);
|
|
|
975 }
|
|
|
976
|
|
|
977 static void
|
|
|
978 mswindows_enqueue_keypress_event (HWND hwnd, Lisp_Object keysym, int mods)
|
|
|
979 {
|
|
|
980 Lisp_Object emacs_event = Fmake_event (Qnil, Qnil);
|
|
412
|
981 struct Lisp_Event* event = XEVENT(emacs_event);
|
|
249
|
982
|
|
|
983 event->channel = mswindows_find_console(hwnd);
|
|
|
984 event->timestamp = GetMessageTime();
|
|
|
985 event->event_type = key_press_event;
|
|
|
986 event->event.key.keysym = keysym;
|
|
|
987 event->event.key.modifiers = mods;
|
|
|
988 mswindows_enqueue_dispatch_event (emacs_event);
|
|
|
989 }
|
|
|
990
|
|
219
|
991 /*
|
|
223
|
992 * Remove and return the first emacs event on the dispatch queue.
|
|
|
993 * Give a preference to user events over non-user ones.
|
|
219
|
994 */
|
|
213
|
995 static Lisp_Object
|
|
412
|
996 mswindows_dequeue_dispatch_event ()
|
|
213
|
997 {
|
|
|
998 Lisp_Object event;
|
|
412
|
999 struct Lisp_Event* sevt;
|
|
223
|
1000
|
|
|
1001 assert (!NILP(mswindows_u_dispatch_event_queue) ||
|
|
|
1002 !NILP(mswindows_s_dispatch_event_queue));
|
|
|
1003
|
|
|
1004 event = dequeue_event (
|
|
412
|
1005 NILP(mswindows_u_dispatch_event_queue) ?
|
|
|
1006 &mswindows_s_dispatch_event_queue :
|
|
223
|
1007 &mswindows_u_dispatch_event_queue,
|
|
412
|
1008 NILP(mswindows_u_dispatch_event_queue) ?
|
|
223
|
1009 &mswindows_s_dispatch_event_queue_tail :
|
|
|
1010 &mswindows_u_dispatch_event_queue_tail);
|
|
|
1011
|
|
|
1012 sevt = XEVENT(event);
|
|
|
1013 if (sevt->event_type == key_press_event
|
|
|
1014 && (sevt->event.key.modifiers & FAKE_MOD_QUIT))
|
|
|
1015 {
|
|
|
1016 sevt->event.key.modifiers &= ~FAKE_MOD_QUIT;
|
|
|
1017 --mswindows_quit_chars_count;
|
|
|
1018 }
|
|
|
1019
|
|
213
|
1020 return event;
|
|
|
1021 }
|
|
|
1022
|
|
|
1023 /*
|
|
219
|
1024 * Remove and return the first emacs event on the dispatch queue that matches
|
|
384
|
1025 * the supplied event.
|
|
|
1026 * Timeout event matches if interval_id is equal to that of the given event.
|
|
223
|
1027 * Keypress event matches if logical AND between modifiers bitmask of the
|
|
384
|
1028 * event in the queue and that of the given event is non-zero.
|
|
|
1029 * For all other event types, this function aborts.
|
|
219
|
1030 */
|
|
223
|
1031
|
|
219
|
1032 Lisp_Object
|
|
412
|
1033 mswindows_cancel_dispatch_event (struct Lisp_Event *match)
|
|
219
|
1034 {
|
|
|
1035 Lisp_Object event;
|
|
384
|
1036 Lisp_Object previous_event = Qnil;
|
|
223
|
1037 int user_p = mswindows_user_event_p (match);
|
|
412
|
1038 Lisp_Object* head = user_p ? &mswindows_u_dispatch_event_queue :
|
|
|
1039 &mswindows_s_dispatch_event_queue;
|
|
|
1040 Lisp_Object* tail = user_p ? &mswindows_u_dispatch_event_queue_tail :
|
|
|
1041 &mswindows_s_dispatch_event_queue_tail;
|
|
219
|
1042
|
|
223
|
1043 assert (match->event_type == timeout_event
|
|
|
1044 || match->event_type == key_press_event);
|
|
219
|
1045
|
|
223
|
1046 EVENT_CHAIN_LOOP (event, *head)
|
|
|
1047 {
|
|
412
|
1048 struct Lisp_Event *e = XEVENT (event);
|
|
384
|
1049 if ((e->event_type == match->event_type) &&
|
|
|
1050 ((e->event_type == timeout_event) ?
|
|
|
1051 (e->event.timeout.interval_id == match->event.timeout.interval_id) :
|
|
|
1052 /* Must be key_press_event */
|
|
|
1053 ((e->event.key.modifiers & match->event.key.modifiers) != 0)))
|
|
223
|
1054 {
|
|
|
1055 if (NILP (previous_event))
|
|
|
1056 dequeue_event (head, tail);
|
|
|
1057 else
|
|
|
1058 {
|
|
|
1059 XSET_EVENT_NEXT (previous_event, XEVENT_NEXT (event));
|
|
|
1060 if (EQ (*tail, event))
|
|
|
1061 *tail = previous_event;
|
|
|
1062 }
|
|
412
|
1063
|
|
223
|
1064 return event;
|
|
|
1065 }
|
|
219
|
1066 previous_event = event;
|
|
223
|
1067 }
|
|
239
|
1068 return Qnil;
|
|
219
|
1069 }
|
|
274
|
1070
|
|
384
|
1071 #ifndef HAVE_MSG_SELECT
|
|
274
|
1072 /************************************************************************/
|
|
|
1073 /* Waitable handles manipulation */
|
|
|
1074 /************************************************************************/
|
|
|
1075 static int
|
|
|
1076 find_waitable_handle (HANDLE h)
|
|
|
1077 {
|
|
|
1078 int i;
|
|
|
1079 for (i = 0; i < mswindows_waitable_count; ++i)
|
|
|
1080 if (mswindows_waitable_handles[i] == h)
|
|
|
1081 return i;
|
|
219
|
1082
|
|
274
|
1083 return -1;
|
|
|
1084 }
|
|
249
|
1085
|
|
274
|
1086 static BOOL
|
|
|
1087 add_waitable_handle (HANDLE h)
|
|
|
1088 {
|
|
|
1089 assert (find_waitable_handle (h) < 0);
|
|
|
1090 if (mswindows_waitable_count == MAX_WAITABLE)
|
|
|
1091 return FALSE;
|
|
|
1092
|
|
|
1093 mswindows_waitable_handles [mswindows_waitable_count++] = h;
|
|
|
1094 return TRUE;
|
|
|
1095 }
|
|
|
1096
|
|
|
1097 static void
|
|
|
1098 remove_waitable_handle (HANDLE h)
|
|
|
1099 {
|
|
|
1100 int ix = find_waitable_handle (h);
|
|
|
1101 if (ix < 0)
|
|
|
1102 return;
|
|
|
1103
|
|
412
|
1104 mswindows_waitable_handles [ix] =
|
|
274
|
1105 mswindows_waitable_handles [--mswindows_waitable_count];
|
|
|
1106 }
|
|
384
|
1107 #endif /* HAVE_MSG_SELECT */
|
|
274
|
1108
|
|
|
1109
|
|
249
|
1110 /************************************************************************/
|
|
|
1111 /* Event pump */
|
|
|
1112 /************************************************************************/
|
|
|
1113
|
|
231
|
1114 static Lisp_Object
|
|
|
1115 mswindows_modal_loop_error_handler (Lisp_Object cons_sig_data,
|
|
|
1116 Lisp_Object u_n_u_s_e_d)
|
|
|
1117 {
|
|
|
1118 mswindows_error_caught_in_modal_loop = cons_sig_data;
|
|
|
1119 return Qunbound;
|
|
|
1120 }
|
|
|
1121
|
|
|
1122 Lisp_Object
|
|
|
1123 mswindows_protect_modal_loop (Lisp_Object (*bfun) (Lisp_Object barg),
|
|
|
1124 Lisp_Object barg)
|
|
|
1125 {
|
|
|
1126 Lisp_Object tmp;
|
|
|
1127
|
|
412
|
1128 ++mswindows_in_modal_loop;
|
|
231
|
1129 tmp = condition_case_1 (Qt,
|
|
|
1130 bfun, barg,
|
|
|
1131 mswindows_modal_loop_error_handler, Qnil);
|
|
|
1132 --mswindows_in_modal_loop;
|
|
|
1133
|
|
|
1134 return tmp;
|
|
|
1135 }
|
|
|
1136
|
|
|
1137 void
|
|
|
1138 mswindows_unmodalize_signal_maybe (void)
|
|
|
1139 {
|
|
|
1140 if (!NILP (mswindows_error_caught_in_modal_loop))
|
|
|
1141 {
|
|
|
1142 /* Got an error while messages were pumped while
|
|
|
1143 in window procedure - have to resignal */
|
|
|
1144 Lisp_Object sym = XCAR (mswindows_error_caught_in_modal_loop);
|
|
|
1145 Lisp_Object data = XCDR (mswindows_error_caught_in_modal_loop);
|
|
|
1146 mswindows_error_caught_in_modal_loop = Qnil;
|
|
|
1147 Fsignal (sym, data);
|
|
|
1148 }
|
|
|
1149 }
|
|
|
1150
|
|
219
|
1151 /*
|
|
412
|
1152 * This is an unsafe part of event pump, guarded by
|
|
227
|
1153 * condition_case. See mswindows_pump_outstanding_events
|
|
|
1154 */
|
|
|
1155 static Lisp_Object
|
|
|
1156 mswindows_unsafe_pump_events (Lisp_Object u_n_u_s_e_d)
|
|
|
1157 {
|
|
|
1158 /* This function can call lisp */
|
|
|
1159 Lisp_Object event = Fmake_event (Qnil, Qnil);
|
|
|
1160 struct gcpro gcpro1;
|
|
|
1161 int do_redisplay = 0;
|
|
|
1162 GCPRO1 (event);
|
|
|
1163
|
|
|
1164 while (detect_input_pending ())
|
|
|
1165 {
|
|
|
1166 Fnext_event (event, Qnil);
|
|
|
1167 Fdispatch_event (event);
|
|
|
1168 do_redisplay = 1;
|
|
|
1169 }
|
|
|
1170
|
|
|
1171 if (do_redisplay)
|
|
|
1172 redisplay ();
|
|
|
1173
|
|
|
1174 Fdeallocate_event (event);
|
|
|
1175 UNGCPRO;
|
|
412
|
1176
|
|
227
|
1177 /* Qt becomes return value of mswindows_pump_outstanding_events
|
|
|
1178 once we get here */
|
|
|
1179 return Qt;
|
|
|
1180 }
|
|
|
1181
|
|
|
1182 /*
|
|
|
1183 * This function pumps emacs events, while available, by using
|
|
|
1184 * next_message/dispatch_message loop. Errors are trapped around
|
|
|
1185 * the loop so the function always returns.
|
|
|
1186 *
|
|
|
1187 * Windows message queue is not looked into during the call,
|
|
|
1188 * neither are waitable handles checked. The function pumps
|
|
|
1189 * thus only dispatch events already queued, as well as those
|
|
|
1190 * resulted in dispatching thereof. This is done by setting
|
|
380
|
1191 * module local variable mswindows_in_modal_loop to nonzero.
|
|
227
|
1192 *
|
|
231
|
1193 * Return value is Qt if no errors was trapped, or Qunbound if
|
|
227
|
1194 * there was an error.
|
|
|
1195 *
|
|
|
1196 * In case of error, a cons representing the error, in the
|
|
|
1197 * form (SIGNAL . DATA), is stored in the module local variable
|
|
231
|
1198 * mswindows_error_caught_in_modal_loop. This error is signaled
|
|
227
|
1199 * again when DispatchMessage returns. Thus, Windows internal
|
|
|
1200 * modal loops are protected against throws, which are proven
|
|
|
1201 * to corrupt internal Windows structures.
|
|
|
1202 *
|
|
231
|
1203 * In case of success, mswindows_error_caught_in_modal_loop is
|
|
227
|
1204 * assigned Qnil.
|
|
|
1205 *
|
|
231
|
1206 * If the value of mswindows_error_caught_in_modal_loop is not
|
|
227
|
1207 * nil already upon entry, the function just returns non-nil.
|
|
|
1208 * This situation means that a new event has been queued while
|
|
380
|
1209 * in cancel mode. The event will be dequeued on the next regular
|
|
227
|
1210 * call of next-event; the pump is off since error is caught.
|
|
|
1211 * The caller must *unconditionally* cancel modal loop if the
|
|
|
1212 * value returned by this function is nil. Otherwise, everything
|
|
|
1213 * will become frozen until the modal loop exits under normal
|
|
|
1214 * condition (scrollbar drag is released, menu closed etc.)
|
|
|
1215 */
|
|
|
1216 Lisp_Object
|
|
|
1217 mswindows_pump_outstanding_events (void)
|
|
|
1218 {
|
|
|
1219 /* This function can call lisp */
|
|
|
1220
|
|
|
1221 Lisp_Object result = Qt;
|
|
249
|
1222 struct gcpro gcpro1;
|
|
|
1223 GCPRO1 (result);
|
|
412
|
1224
|
|
231
|
1225 if (NILP(mswindows_error_caught_in_modal_loop))
|
|
412
|
1226 result = mswindows_protect_modal_loop (mswindows_unsafe_pump_events, Qnil);
|
|
249
|
1227 UNGCPRO;
|
|
227
|
1228 return result;
|
|
|
1229 }
|
|
|
1230
|
|
412
|
1231 static void
|
|
|
1232 mswindows_drain_windows_queue ()
|
|
223
|
1233 {
|
|
|
1234 MSG msg;
|
|
|
1235 while (PeekMessage (&msg, NULL, 0, 0, PM_REMOVE))
|
|
227
|
1236 {
|
|
412
|
1237 /* we have to translate messages that are not sent to the main
|
|
|
1238 window. this is so that key presses work ok in things like
|
|
|
1239 edit fields. however, we *musn't* translate message for the
|
|
|
1240 main window as this is handled in the wnd proc. */
|
|
|
1241 if ( GetWindowLong (msg.hwnd, GWL_STYLE) & WS_CHILD )
|
|
398
|
1242 {
|
|
412
|
1243 TranslateMessage (&msg);
|
|
398
|
1244 }
|
|
227
|
1245 DispatchMessage (&msg);
|
|
231
|
1246 mswindows_unmodalize_signal_maybe ();
|
|
227
|
1247 }
|
|
|
1248 }
|
|
|
1249
|
|
412
|
1250 /*
|
|
380
|
1251 * This is a special flavor of the mswindows_need_event function,
|
|
227
|
1252 * used while in event pump. Actually, there is only kind of events
|
|
|
1253 * allowed while in event pump: a timer. An attempt to fetch any
|
|
380
|
1254 * other event leads to a deadlock, as there's no source of user input
|
|
227
|
1255 * ('cause event pump mirrors windows modal loop, which is a sole
|
|
|
1256 * owner of thread message queue).
|
|
|
1257 *
|
|
|
1258 * To detect this, we use a counter of active timers, and allow
|
|
|
1259 * fetching WM_TIMER messages. Instead of trying to fetch a WM_TIMER
|
|
|
1260 * which will never come when there are no pending timers, which leads
|
|
|
1261 * to deadlock, we simply signal an error.
|
|
|
1262 */
|
|
|
1263 static void
|
|
274
|
1264 mswindows_need_event_in_modal_loop (int badly_p)
|
|
227
|
1265 {
|
|
|
1266 MSG msg;
|
|
|
1267
|
|
|
1268 /* Check if already have one */
|
|
|
1269 if (!NILP (mswindows_u_dispatch_event_queue)
|
|
|
1270 || !NILP (mswindows_s_dispatch_event_queue))
|
|
|
1271 return;
|
|
|
1272
|
|
|
1273 /* No event is ok */
|
|
|
1274 if (!badly_p)
|
|
|
1275 return;
|
|
|
1276
|
|
|
1277 /* We do not check the _u_ queue, because timers go to _s_ */
|
|
|
1278 while (NILP (mswindows_s_dispatch_event_queue))
|
|
|
1279 {
|
|
|
1280 /* We'll deadlock if go waiting */
|
|
|
1281 if (mswindows_pending_timers_count == 0)
|
|
|
1282 error ("Deadlock due to an attempt to call next-event in a wrong context");
|
|
412
|
1283
|
|
227
|
1284 /* Fetch and dispatch any pending timers */
|
|
|
1285 GetMessage (&msg, NULL, WM_TIMER, WM_TIMER);
|
|
|
1286 DispatchMessage (&msg);
|
|
|
1287 }
|
|
223
|
1288 }
|
|
|
1289
|
|
|
1290 /*
|
|
|
1291 * This drains the event queue and fills up two internal queues until
|
|
|
1292 * an event of a type specified by USER_P is retrieved.
|
|
|
1293 *
|
|
|
1294 *
|
|
|
1295 * Used by emacs_mswindows_event_pending_p and emacs_mswindows_next_event
|
|
|
1296 */
|
|
|
1297 static void
|
|
274
|
1298 mswindows_need_event (int badly_p)
|
|
223
|
1299 {
|
|
|
1300 int active;
|
|
|
1301
|
|
231
|
1302 if (mswindows_in_modal_loop)
|
|
227
|
1303 {
|
|
274
|
1304 mswindows_need_event_in_modal_loop (badly_p);
|
|
227
|
1305 return;
|
|
|
1306 }
|
|
|
1307
|
|
412
|
1308 /* Have to drain Windows message queue first, otherwise, we may miss
|
|
|
1309 quit char when called from quit_p */
|
|
|
1310 mswindows_drain_windows_queue ();
|
|
|
1311
|
|
274
|
1312 while (NILP (mswindows_u_dispatch_event_queue)
|
|
|
1313 && NILP (mswindows_s_dispatch_event_queue))
|
|
278
|
1314 {
|
|
|
1315 #ifdef HAVE_MSG_SELECT
|
|
|
1316 int i;
|
|
|
1317 SELECT_TYPE temp_mask = input_wait_mask;
|
|
|
1318 EMACS_TIME sometime;
|
|
|
1319 EMACS_SELECT_TIME select_time_to_block, *pointer_to_this;
|
|
412
|
1320
|
|
278
|
1321 if (badly_p)
|
|
|
1322 pointer_to_this = 0;
|
|
|
1323 else
|
|
|
1324 {
|
|
|
1325 EMACS_SET_SECS_USECS (sometime, 0, 0);
|
|
|
1326 EMACS_TIME_TO_SELECT_TIME (sometime, select_time_to_block);
|
|
|
1327 pointer_to_this = &select_time_to_block;
|
|
|
1328 }
|
|
373
|
1329
|
|
278
|
1330 active = select (MAXDESC, &temp_mask, 0, 0, pointer_to_this);
|
|
412
|
1331
|
|
278
|
1332 if (active == 0)
|
|
|
1333 {
|
|
418
|
1334 assert (!badly_p);
|
|
278
|
1335 return; /* timeout */
|
|
|
1336 }
|
|
|
1337 else if (active > 0)
|
|
|
1338 {
|
|
|
1339 if (FD_ISSET (windows_fd, &temp_mask))
|
|
|
1340 {
|
|
|
1341 mswindows_drain_windows_queue ();
|
|
|
1342 }
|
|
412
|
1343 #ifdef HAVE_TTY
|
|
|
1344 /* Look for a TTY event */
|
|
|
1345 for (i = 0; i < MAXDESC-1; i++)
|
|
392
|
1346 {
|
|
412
|
1347 /* To avoid race conditions (among other things, an infinite
|
|
|
1348 loop when called from Fdiscard_input()), we must return
|
|
|
1349 user events ahead of process events. */
|
|
|
1350 if (FD_ISSET (i, &temp_mask) && FD_ISSET (i, &tty_only_mask))
|
|
392
|
1351 {
|
|
412
|
1352 struct console *c = tty_find_console_from_fd (i);
|
|
|
1353 Lisp_Object emacs_event = Fmake_event (Qnil, Qnil);
|
|
|
1354 struct Lisp_Event* event = XEVENT (emacs_event);
|
|
|
1355
|
|
|
1356 assert (c);
|
|
|
1357 if (read_event_from_tty_or_stream_desc (event, c, i))
|
|
392
|
1358 {
|
|
412
|
1359 mswindows_enqueue_dispatch_event (emacs_event);
|
|
|
1360 return;
|
|
392
|
1361 }
|
|
|
1362 }
|
|
412
|
1363 }
|
|
392
|
1364 #endif
|
|
412
|
1365 /* Look for a process event */
|
|
|
1366 for (i = 0; i < MAXDESC-1; i++)
|
|
|
1367 {
|
|
|
1368 if (FD_ISSET (i, &temp_mask))
|
|
278
|
1369 {
|
|
412
|
1370 if (FD_ISSET (i, &process_only_mask))
|
|
278
|
1371 {
|
|
412
|
1372 struct Lisp_Process *p =
|
|
|
1373 get_process_from_usid (FD_TO_USID(i));
|
|
|
1374
|
|
|
1375 mswindows_enqueue_process_event (p);
|
|
|
1376 }
|
|
|
1377 else
|
|
|
1378 {
|
|
|
1379 /* We might get here when a fake event came
|
|
|
1380 through a signal. Return a dummy event, so
|
|
|
1381 that a cycle of the command loop will
|
|
|
1382 occur. */
|
|
|
1383 drain_signal_event_pipe ();
|
|
|
1384 mswindows_enqueue_magic_event (NULL, XM_BUMPQUEUE);
|
|
278
|
1385 }
|
|
|
1386 }
|
|
|
1387 }
|
|
|
1388 }
|
|
|
1389 else if (active==-1)
|
|
|
1390 {
|
|
|
1391 if (errno != EINTR)
|
|
|
1392 {
|
|
380
|
1393 /* something bad happened */
|
|
278
|
1394 assert(0);
|
|
|
1395 }
|
|
|
1396 }
|
|
|
1397 else
|
|
|
1398 {
|
|
|
1399 assert(0);
|
|
|
1400 }
|
|
|
1401 #else
|
|
|
1402 /* Now try getting a message or process event */
|
|
412
|
1403 active = MsgWaitForMultipleObjects (mswindows_waitable_count,
|
|
|
1404 mswindows_waitable_handles,
|
|
|
1405 FALSE, badly_p ? INFINITE : 0,
|
|
|
1406 QS_ALLINPUT);
|
|
|
1407
|
|
|
1408 /* This will assert if handle being waited for becomes abandoned.
|
|
|
1409 Not the case currently tho */
|
|
|
1410 assert ((!badly_p && active == WAIT_TIMEOUT) ||
|
|
|
1411 (active >= WAIT_OBJECT_0 &&
|
|
|
1412 active <= WAIT_OBJECT_0 + mswindows_waitable_count));
|
|
|
1413
|
|
|
1414 if (active == WAIT_TIMEOUT)
|
|
|
1415 {
|
|
|
1416 /* No luck trying - just return what we've already got */
|
|
|
1417 return;
|
|
|
1418 }
|
|
|
1419 else if (active == WAIT_OBJECT_0 + mswindows_waitable_count)
|
|
|
1420 {
|
|
|
1421 /* Got your message, thanks */
|
|
|
1422 mswindows_drain_windows_queue ();
|
|
|
1423 }
|
|
|
1424 else
|
|
|
1425 {
|
|
|
1426 int ix = active - WAIT_OBJECT_0;
|
|
|
1427 /* First, try to find which process' output has signaled */
|
|
|
1428 struct Lisp_Process *p =
|
|
|
1429 get_process_from_usid (HANDLE_TO_USID (mswindows_waitable_handles[ix]));
|
|
|
1430 if (p != NULL)
|
|
|
1431 {
|
|
|
1432 /* Found a signaled process input handle */
|
|
|
1433 mswindows_enqueue_process_event (p);
|
|
|
1434 }
|
|
|
1435 else
|
|
|
1436 {
|
|
|
1437 /* None. This means that the process handle itself has signaled.
|
|
|
1438 Remove the handle from the wait vector, and make status_notify
|
|
|
1439 note the exited process */
|
|
|
1440 mswindows_waitable_handles [ix] =
|
|
|
1441 mswindows_waitable_handles [--mswindows_waitable_count];
|
|
|
1442 kick_status_notify ();
|
|
|
1443 /* Have to return something: there may be no accompanying
|
|
|
1444 process event */
|
|
|
1445 mswindows_enqueue_magic_event (NULL, XM_BUMPQUEUE);
|
|
|
1446 }
|
|
|
1447 }
|
|
278
|
1448 #endif
|
|
412
|
1449 } /* while */
|
|
223
|
1450 }
|
|
|
1451
|
|
249
|
1452 /************************************************************************/
|
|
|
1453 /* Event generators */
|
|
|
1454 /************************************************************************/
|
|
|
1455
|
|
412
|
1456 /*
|
|
249
|
1457 * Callback procedure for synchronous timer messages
|
|
|
1458 */
|
|
|
1459 static void CALLBACK
|
|
|
1460 mswindows_wm_timer_callback (HWND hwnd, UINT umsg, UINT id_timer, DWORD dwtime)
|
|
|
1461 {
|
|
|
1462 Lisp_Object emacs_event = Fmake_event (Qnil, Qnil);
|
|
412
|
1463 struct Lisp_Event *event = XEVENT (emacs_event);
|
|
249
|
1464
|
|
|
1465 if (KillTimer (NULL, id_timer))
|
|
|
1466 --mswindows_pending_timers_count;
|
|
|
1467
|
|
|
1468 event->channel = Qnil;
|
|
|
1469 event->timestamp = dwtime;
|
|
|
1470 event->event_type = timeout_event;
|
|
|
1471 event->event.timeout.interval_id = id_timer;
|
|
382
|
1472 event->event.timeout.function = Qnil;
|
|
|
1473 event->event.timeout.object = Qnil;
|
|
249
|
1474
|
|
|
1475 mswindows_enqueue_dispatch_event (emacs_event);
|
|
|
1476 }
|
|
|
1477
|
|
412
|
1478 /*
|
|
249
|
1479 * Callback procedure for dde messages
|
|
284
|
1480 *
|
|
|
1481 * We execute a dde Open("file") by simulating a file drop, so dde support
|
|
|
1482 * depends on dnd support.
|
|
249
|
1483 */
|
|
284
|
1484 #ifdef HAVE_DRAGNDROP
|
|
249
|
1485 HDDEDATA CALLBACK
|
|
|
1486 mswindows_dde_callback (UINT uType, UINT uFmt, HCONV hconv,
|
|
|
1487 HSZ hszTopic, HSZ hszItem, HDDEDATA hdata,
|
|
|
1488 DWORD dwData1, DWORD dwData2)
|
|
412
|
1489 {
|
|
249
|
1490 switch (uType)
|
|
412
|
1491 {
|
|
249
|
1492 case XTYP_CONNECT:
|
|
|
1493 if (!DdeCmpStringHandles (hszTopic, mswindows_dde_topic_system))
|
|
|
1494 return (HDDEDATA)TRUE;
|
|
|
1495 return (HDDEDATA)FALSE;
|
|
|
1496
|
|
|
1497 case XTYP_WILDCONNECT:
|
|
|
1498 {
|
|
|
1499 /* We only support one {service,topic} pair */
|
|
|
1500 HSZPAIR pairs[2] = {
|
|
|
1501 { mswindows_dde_service, mswindows_dde_topic_system }, { 0, 0 } };
|
|
|
1502
|
|
|
1503 if (!(hszItem || DdeCmpStringHandles (hszItem, mswindows_dde_service)) &&
|
|
412
|
1504 !(hszTopic || DdeCmpStringHandles (hszTopic, mswindows_dde_topic_system)));
|
|
249
|
1505 return (DdeCreateDataHandle (mswindows_dde_mlid, (LPBYTE)pairs,
|
|
|
1506 sizeof (pairs), 0L, 0, uFmt, 0));
|
|
|
1507 }
|
|
412
|
1508 return (HDDEDATA)NULL;
|
|
249
|
1509
|
|
|
1510 case XTYP_EXECUTE:
|
|
|
1511 if (!DdeCmpStringHandles (hszTopic, mswindows_dde_topic_system))
|
|
|
1512 {
|
|
|
1513 DWORD len = DdeGetData (hdata, NULL, 0, 0);
|
|
412
|
1514 char *cmd = alloca (len+1);
|
|
249
|
1515 char *end;
|
|
282
|
1516 char *filename;
|
|
|
1517 struct gcpro gcpro1, gcpro2;
|
|
|
1518 Lisp_Object l_dndlist = Qnil;
|
|
249
|
1519 Lisp_Object emacs_event = Fmake_event (Qnil, Qnil);
|
|
284
|
1520 Lisp_Object frmcons, devcons, concons;
|
|
412
|
1521 struct Lisp_Event *event = XEVENT (emacs_event);
|
|
249
|
1522
|
|
|
1523 DdeGetData (hdata, cmd, len, 0);
|
|
|
1524 cmd[len] = '\0';
|
|
|
1525 DdeFreeDataHandle (hdata);
|
|
|
1526
|
|
282
|
1527 /* Check syntax & that it's an [Open("foo")] command, which we
|
|
|
1528 * treat like a file drop */
|
|
249
|
1529 /* #### Ought to be generalised and accept some other commands */
|
|
|
1530 if (*cmd == '[')
|
|
|
1531 cmd++;
|
|
|
1532 if (strnicmp (cmd, MSWINDOWS_DDE_ITEM_OPEN,
|
|
|
1533 strlen (MSWINDOWS_DDE_ITEM_OPEN)))
|
|
|
1534 return DDE_FNOTPROCESSED;
|
|
|
1535 cmd += strlen (MSWINDOWS_DDE_ITEM_OPEN);
|
|
|
1536 while (*cmd==' ')
|
|
|
1537 cmd++;
|
|
|
1538 if (*cmd!='(' || *(cmd+1)!='\"')
|
|
|
1539 return DDE_FNOTPROCESSED;
|
|
|
1540 end = (cmd+=2);
|
|
|
1541 while (*end && *end!='\"')
|
|
|
1542 end++;
|
|
|
1543 if (!*end)
|
|
|
1544 return DDE_FNOTPROCESSED;
|
|
|
1545 *end = '\0';
|
|
|
1546 if (*(++end)!=')')
|
|
|
1547 return DDE_FNOTPROCESSED;
|
|
|
1548 if (*(++end)==']')
|
|
|
1549 end++;
|
|
|
1550 if (*end)
|
|
|
1551 return DDE_FNOTPROCESSED;
|
|
282
|
1552
|
|
412
|
1553 #ifdef __CYGWIN32__
|
|
282
|
1554 filename = alloca (cygwin32_win32_to_posix_path_list_buf_size (cmd) + 5);
|
|
|
1555 strcpy (filename, "file:");
|
|
|
1556 cygwin32_win32_to_posix_path_list (cmd, filename+5);
|
|
|
1557 #else
|
|
|
1558 dostounix_filename (cmd);
|
|
|
1559 filename = alloca (strlen (cmd)+6);
|
|
|
1560 strcpy (filename, "file:");
|
|
|
1561 strcat (filename, cmd);
|
|
259
|
1562 #endif
|
|
282
|
1563 GCPRO2 (emacs_event, l_dndlist);
|
|
|
1564 l_dndlist = make_string (filename, strlen (filename));
|
|
249
|
1565
|
|
284
|
1566 /* Find a mswindows frame */
|
|
249
|
1567 event->channel = Qnil;
|
|
284
|
1568 FRAME_LOOP_NO_BREAK (frmcons, devcons, concons)
|
|
|
1569 {
|
|
|
1570 Lisp_Object frame = XCAR (frmcons);
|
|
|
1571 if (FRAME_TYPE_P (XFRAME (frame), mswindows))
|
|
|
1572 event->channel = frame;
|
|
|
1573 };
|
|
|
1574 assert (!NILP (event->channel));
|
|
|
1575
|
|
249
|
1576 event->timestamp = GetTickCount();
|
|
282
|
1577 event->event_type = misc_user_event;
|
|
|
1578 event->event.misc.button = 1;
|
|
|
1579 event->event.misc.modifiers = 0;
|
|
|
1580 event->event.misc.x = -1;
|
|
|
1581 event->event.misc.y = -1;
|
|
|
1582 event->event.misc.function = Qdragdrop_drop_dispatch;
|
|
|
1583 event->event.misc.object = Fcons (Qdragdrop_URL,
|
|
|
1584 Fcons (l_dndlist, Qnil));
|
|
249
|
1585 mswindows_enqueue_dispatch_event (emacs_event);
|
|
282
|
1586 UNGCPRO;
|
|
249
|
1587 return (HDDEDATA) DDE_FACK;
|
|
|
1588 }
|
|
412
|
1589 DdeFreeDataHandle (hdata);
|
|
249
|
1590 return (HDDEDATA) DDE_FNOTPROCESSED;
|
|
282
|
1591
|
|
412
|
1592 default:
|
|
|
1593 return (HDDEDATA) NULL;
|
|
|
1594 }
|
|
249
|
1595 }
|
|
284
|
1596 #endif
|
|
249
|
1597
|
|
|
1598 /*
|
|
|
1599 * The windows procedure for the window class XEMACS_CLASS
|
|
|
1600 */
|
|
|
1601 LRESULT WINAPI
|
|
412
|
1602 mswindows_wnd_proc(HWND hwnd, UINT message, WPARAM wParam, LPARAM lParam)
|
|
249
|
1603 {
|
|
380
|
1604 /* Note: Remember to initialize emacs_event and event before use.
|
|
249
|
1605 This code calls code that can GC. You must GCPRO before calling such code. */
|
|
|
1606 Lisp_Object emacs_event = Qnil;
|
|
|
1607 Lisp_Object fobj = Qnil;
|
|
|
1608
|
|
412
|
1609 struct Lisp_Event *event;
|
|
249
|
1610 struct frame *frame;
|
|
|
1611 struct mswindows_frame* msframe;
|
|
|
1612
|
|
412
|
1613 switch (message)
|
|
|
1614 {
|
|
|
1615 case WM_ERASEBKGND:
|
|
|
1616 /* Erase background only during non-dynamic sizing */
|
|
|
1617 msframe = FRAME_MSWINDOWS_DATA (XFRAME (mswindows_find_frame (hwnd)));
|
|
|
1618 if (msframe->sizing && !mswindows_dynamic_frame_resize)
|
|
|
1619 goto defproc;
|
|
|
1620 return 1;
|
|
|
1621
|
|
|
1622 case WM_CLOSE:
|
|
|
1623 fobj = mswindows_find_frame (hwnd);
|
|
|
1624 mswindows_enqueue_misc_user_event (fobj, Qeval, list3 (Qdelete_frame, fobj, Qt));
|
|
|
1625 break;
|
|
|
1626
|
|
|
1627 case WM_KEYUP:
|
|
|
1628 case WM_SYSKEYUP:
|
|
|
1629 /* See Win95 comment under WM_KEYDOWN */
|
|
|
1630 {
|
|
|
1631 BYTE keymap[256];
|
|
|
1632
|
|
|
1633 if (wParam == VK_CONTROL)
|
|
|
1634 {
|
|
|
1635 GetKeyboardState (keymap);
|
|
|
1636 keymap [(lParam & 0x1000000) ? VK_RCONTROL : VK_LCONTROL] &= ~0x80;
|
|
|
1637 SetKeyboardState (keymap);
|
|
|
1638 }
|
|
|
1639 else if (wParam == VK_MENU)
|
|
|
1640 {
|
|
|
1641 GetKeyboardState (keymap);
|
|
|
1642 keymap [(lParam & 0x1000000) ? VK_RMENU : VK_LMENU] &= ~0x80;
|
|
|
1643 SetKeyboardState (keymap);
|
|
|
1644 }
|
|
|
1645 };
|
|
|
1646 goto defproc;
|
|
|
1647
|
|
|
1648 case WM_KEYDOWN:
|
|
|
1649 case WM_SYSKEYDOWN:
|
|
|
1650 /* In some locales the right-hand Alt key is labelled AltGr. This key
|
|
|
1651 * should produce alternative charcaters when combined with another key.
|
|
|
1652 * eg on a German keyboard pressing AltGr+q should produce '@'.
|
|
|
1653 * AltGr generates exactly the same keystrokes as LCtrl+RAlt. But if
|
|
|
1654 * TranslateMessage() is called with *any* combination of Ctrl+Alt down,
|
|
|
1655 * it translates as if AltGr were down.
|
|
|
1656 * We get round this by removing all modifiers from the keymap before
|
|
|
1657 * calling TranslateMessage() unless AltGr is *really* down. */
|
|
249
|
1658 {
|
|
412
|
1659 BYTE keymap[256];
|
|
|
1660 int has_AltGr = mswindows_current_layout_has_AltGr ();
|
|
|
1661 int mods;
|
|
|
1662 Lisp_Object keysym;
|
|
|
1663
|
|
|
1664 GetKeyboardState (keymap);
|
|
|
1665 mods = mswindows_modifier_state (keymap, has_AltGr);
|
|
|
1666
|
|
|
1667 /* Handle those keys for which TranslateMessage won't generate a WM_CHAR */
|
|
|
1668 if (!NILP (keysym = mswindows_key_to_emacs_keysym(wParam, mods)))
|
|
|
1669 mswindows_enqueue_keypress_event (hwnd, keysym, mods);
|
|
|
1670 else
|
|
|
1671 {
|
|
|
1672 int quit_ch = CONSOLE_QUIT_CHAR (XCONSOLE (mswindows_find_console (hwnd)));
|
|
|
1673 BYTE keymap_orig[256];
|
|
|
1674 POINT pnt = { LOWORD (GetMessagePos()), HIWORD (GetMessagePos()) };
|
|
|
1675 MSG msg;
|
|
|
1676
|
|
|
1677 msg.hwnd = hwnd;
|
|
|
1678 msg.message = message;
|
|
|
1679 msg.wParam = wParam;
|
|
|
1680 msg.lParam = lParam;
|
|
|
1681 msg.time = GetMessageTime();
|
|
|
1682 msg.pt = pnt;
|
|
|
1683
|
|
|
1684 /* GetKeyboardState() does not work as documented on Win95. We have
|
|
|
1685 * to loosely track Left and Right modifiers on behalf of the OS,
|
|
|
1686 * without screwing up Windows NT which tracks them properly. */
|
|
|
1687 if (wParam == VK_CONTROL)
|
|
|
1688 keymap [(lParam & 0x1000000) ? VK_RCONTROL : VK_LCONTROL] |= 0x80;
|
|
|
1689 else if (wParam == VK_MENU)
|
|
|
1690 keymap [(lParam & 0x1000000) ? VK_RMENU : VK_LMENU] |= 0x80;
|
|
|
1691
|
|
|
1692 memcpy (keymap_orig, keymap, 256);
|
|
|
1693
|
|
|
1694 /* Remove shift modifier from an ascii character */
|
|
|
1695 mods &= ~MOD_SHIFT;
|
|
|
1696
|
|
|
1697 /* Clear control and alt modifiers unless AltGr is pressed */
|
|
|
1698 keymap [VK_RCONTROL] = 0;
|
|
|
1699 keymap [VK_LMENU] = 0;
|
|
|
1700 if (!has_AltGr || !(keymap [VK_LCONTROL] & 0x80) || !(keymap [VK_RMENU] & 0x80))
|
|
|
1701 {
|
|
|
1702 keymap [VK_LCONTROL] = 0;
|
|
|
1703 keymap [VK_CONTROL] = 0;
|
|
|
1704 keymap [VK_RMENU] = 0;
|
|
|
1705 keymap [VK_MENU] = 0;
|
|
|
1706 }
|
|
|
1707 SetKeyboardState (keymap);
|
|
|
1708
|
|
|
1709 /* Maybe generate some WM_[SYS]CHARs in the queue */
|
|
|
1710 TranslateMessage (&msg);
|
|
|
1711
|
|
|
1712 while (PeekMessage (&msg, hwnd, WM_CHAR, WM_CHAR, PM_REMOVE)
|
|
|
1713 || PeekMessage (&msg, hwnd, WM_SYSCHAR, WM_SYSCHAR, PM_REMOVE))
|
|
|
1714 {
|
|
|
1715 int mods1 = mods;
|
|
|
1716 WPARAM ch = msg.wParam;
|
|
|
1717
|
|
|
1718 /* If a quit char with no modifiers other than control and
|
|
|
1719 shift, then mark it with a fake modifier, which is removed
|
|
|
1720 upon dequeueing the event */
|
|
|
1721 /* #### This might also not withstand localization, if
|
|
|
1722 quit character is not a latin-1 symbol */
|
|
|
1723 if (((quit_ch < ' ' && (mods & MOD_CONTROL) && quit_ch + 'a' - 1 == ch)
|
|
|
1724 || (quit_ch >= ' ' && !(mods & MOD_CONTROL) && quit_ch == ch))
|
|
|
1725 && ((mods & ~(MOD_CONTROL | MOD_SHIFT)) == 0))
|
|
|
1726 {
|
|
|
1727 mods1 |= FAKE_MOD_QUIT;
|
|
|
1728 ++mswindows_quit_chars_count;
|
|
|
1729 }
|
|
|
1730
|
|
|
1731 mswindows_enqueue_keypress_event (hwnd, make_char(ch), mods1);
|
|
|
1732 } /* while */
|
|
|
1733 SetKeyboardState (keymap_orig);
|
|
|
1734 } /* else */
|
|
|
1735 }
|
|
|
1736 /* F10 causes menu activation by default. We do not want this */
|
|
|
1737 if (wParam != VK_F10)
|
|
|
1738 goto defproc;
|
|
|
1739 break;
|
|
|
1740
|
|
|
1741 case WM_MBUTTONDOWN:
|
|
|
1742 case WM_MBUTTONUP:
|
|
|
1743 /* Real middle mouse button has nothing to do with emulated one:
|
|
|
1744 if one wants to exercise fingers playing chords on the mouse,
|
|
|
1745 he is allowed to do that! */
|
|
|
1746 mswindows_enqueue_mouse_button_event (hwnd, message,
|
|
|
1747 MAKEPOINTS (lParam), GetMessageTime());
|
|
|
1748 break;
|
|
|
1749
|
|
|
1750 case WM_LBUTTONUP:
|
|
|
1751 msframe = FRAME_MSWINDOWS_DATA (XFRAME (mswindows_find_frame (hwnd)));
|
|
|
1752 msframe->last_click_time = GetMessageTime();
|
|
|
1753
|
|
|
1754 KillTimer (hwnd, BUTTON_2_TIMER_ID);
|
|
|
1755 msframe->button2_need_lbutton = 0;
|
|
|
1756 if (msframe->ignore_next_lbutton_up)
|
|
249
|
1757 {
|
|
412
|
1758 msframe->ignore_next_lbutton_up = 0;
|
|
|
1759 }
|
|
|
1760 else if (msframe->button2_is_down)
|
|
|
1761 {
|
|
|
1762 msframe->button2_is_down = 0;
|
|
|
1763 msframe->ignore_next_rbutton_up = 1;
|
|
|
1764 mswindows_enqueue_mouse_button_event (hwnd, WM_MBUTTONUP,
|
|
|
1765 MAKEPOINTS (lParam), GetMessageTime());
|
|
|
1766 }
|
|
|
1767 else
|
|
|
1768 {
|
|
|
1769 if (msframe->button2_need_rbutton)
|
|
408
|
1770 {
|
|
412
|
1771 msframe->button2_need_rbutton = 0;
|
|
|
1772 mswindows_enqueue_mouse_button_event (hwnd, WM_LBUTTONDOWN,
|
|
|
1773 MAKEPOINTS (lParam), GetMessageTime());
|
|
249
|
1774 }
|
|
412
|
1775 mswindows_enqueue_mouse_button_event (hwnd, WM_LBUTTONUP,
|
|
|
1776 MAKEPOINTS (lParam), GetMessageTime());
|
|
249
|
1777 }
|
|
412
|
1778 break;
|
|
|
1779
|
|
|
1780 case WM_RBUTTONUP:
|
|
|
1781 msframe = FRAME_MSWINDOWS_DATA (XFRAME (mswindows_find_frame (hwnd)));
|
|
|
1782 msframe->last_click_time = GetMessageTime();
|
|
|
1783
|
|
|
1784 KillTimer (hwnd, BUTTON_2_TIMER_ID);
|
|
|
1785 msframe->button2_need_rbutton = 0;
|
|
|
1786 if (msframe->ignore_next_rbutton_up)
|
|
|
1787 {
|
|
|
1788 msframe->ignore_next_rbutton_up = 0;
|
|
|
1789 }
|
|
|
1790 else if (msframe->button2_is_down)
|
|
|
1791 {
|
|
|
1792 msframe->button2_is_down = 0;
|
|
|
1793 msframe->ignore_next_lbutton_up = 1;
|
|
|
1794 mswindows_enqueue_mouse_button_event (hwnd, WM_MBUTTONUP,
|
|
|
1795 MAKEPOINTS (lParam), GetMessageTime());
|
|
|
1796 }
|
|
|
1797 else
|
|
249
|
1798 {
|
|
412
|
1799 if (msframe->button2_need_lbutton)
|
|
408
|
1800 {
|
|
412
|
1801 msframe->button2_need_lbutton = 0;
|
|
|
1802 mswindows_enqueue_mouse_button_event (hwnd, WM_RBUTTONDOWN,
|
|
|
1803 MAKEPOINTS (lParam), GetMessageTime());
|
|
|
1804 }
|
|
|
1805 mswindows_enqueue_mouse_button_event (hwnd, WM_RBUTTONUP,
|
|
|
1806 MAKEPOINTS (lParam), GetMessageTime());
|
|
|
1807 }
|
|
|
1808 break;
|
|
|
1809
|
|
|
1810 case WM_LBUTTONDOWN:
|
|
|
1811 msframe = FRAME_MSWINDOWS_DATA (XFRAME (mswindows_find_frame (hwnd)));
|
|
|
1812
|
|
|
1813 if (msframe->button2_need_lbutton)
|
|
|
1814 {
|
|
|
1815 KillTimer (hwnd, BUTTON_2_TIMER_ID);
|
|
|
1816 msframe->button2_need_lbutton = 0;
|
|
|
1817 msframe->button2_need_rbutton = 0;
|
|
|
1818 if (mswindows_button2_near_enough (msframe->last_click_point, MAKEPOINTS (lParam)))
|
|
408
|
1819 {
|
|
412
|
1820 mswindows_enqueue_mouse_button_event (hwnd, WM_MBUTTONDOWN,
|
|
|
1821 MAKEPOINTS (lParam), GetMessageTime());
|
|
|
1822 msframe->button2_is_down = 1;
|
|
408
|
1823 }
|
|
|
1824 else
|
|
|
1825 {
|
|
412
|
1826 mswindows_enqueue_mouse_button_event (hwnd, WM_RBUTTONDOWN,
|
|
|
1827 msframe->last_click_point, msframe->last_click_time);
|
|
|
1828 mswindows_enqueue_mouse_button_event (hwnd, WM_LBUTTONDOWN,
|
|
|
1829 MAKEPOINTS (lParam), GetMessageTime());
|
|
408
|
1830 }
|
|
412
|
1831 }
|
|
|
1832 else
|
|
|
1833 {
|
|
|
1834 mswindows_set_chord_timer (hwnd);
|
|
|
1835 msframe->button2_need_rbutton = 1;
|
|
|
1836 msframe->last_click_point = MAKEPOINTS (lParam);
|
|
|
1837 }
|
|
|
1838 msframe->last_click_time = GetMessageTime();
|
|
|
1839 break;
|
|
|
1840
|
|
|
1841 case WM_RBUTTONDOWN:
|
|
|
1842 msframe = FRAME_MSWINDOWS_DATA (XFRAME (mswindows_find_frame (hwnd)));
|
|
|
1843
|
|
|
1844 if (msframe->button2_need_rbutton)
|
|
|
1845 {
|
|
|
1846 KillTimer (hwnd, BUTTON_2_TIMER_ID);
|
|
|
1847 msframe->button2_need_lbutton = 0;
|
|
|
1848 msframe->button2_need_rbutton = 0;
|
|
|
1849 if (mswindows_button2_near_enough (msframe->last_click_point, MAKEPOINTS (lParam)))
|
|
|
1850 {
|
|
|
1851 mswindows_enqueue_mouse_button_event (hwnd, WM_MBUTTONDOWN,
|
|
|
1852 MAKEPOINTS (lParam), GetMessageTime());
|
|
|
1853 msframe->button2_is_down = 1;
|
|
|
1854 }
|
|
|
1855 else
|
|
249
|
1856 {
|
|
412
|
1857 mswindows_enqueue_mouse_button_event (hwnd, WM_LBUTTONDOWN,
|
|
|
1858 msframe->last_click_point, msframe->last_click_time);
|
|
|
1859 mswindows_enqueue_mouse_button_event (hwnd, WM_RBUTTONDOWN,
|
|
|
1860 MAKEPOINTS (lParam), GetMessageTime());
|
|
|
1861 }
|
|
|
1862 }
|
|
|
1863 else
|
|
|
1864 {
|
|
|
1865 mswindows_set_chord_timer (hwnd);
|
|
|
1866 msframe->button2_need_lbutton = 1;
|
|
|
1867 msframe->last_click_point = MAKEPOINTS (lParam);
|
|
249
|
1868 }
|
|
412
|
1869 msframe->last_click_time = GetMessageTime();
|
|
|
1870 break;
|
|
|
1871
|
|
|
1872 case WM_TIMER:
|
|
|
1873 if (wParam == BUTTON_2_TIMER_ID)
|
|
|
1874 {
|
|
|
1875 msframe = FRAME_MSWINDOWS_DATA (XFRAME (mswindows_find_frame (hwnd)));
|
|
|
1876 KillTimer (hwnd, BUTTON_2_TIMER_ID);
|
|
|
1877
|
|
|
1878 if (msframe->button2_need_lbutton)
|
|
|
1879 {
|
|
|
1880 msframe->button2_need_lbutton = 0;
|
|
|
1881 mswindows_enqueue_mouse_button_event (hwnd, WM_RBUTTONDOWN,
|
|
|
1882 msframe->last_click_point, msframe->last_click_time);
|
|
|
1883 }
|
|
|
1884 else if (msframe->button2_need_rbutton)
|
|
|
1885 {
|
|
|
1886 msframe->button2_need_rbutton = 0;
|
|
|
1887 mswindows_enqueue_mouse_button_event (hwnd, WM_LBUTTONDOWN,
|
|
|
1888 msframe->last_click_point, msframe->last_click_time);
|
|
|
1889 }
|
|
|
1890 }
|
|
|
1891 else
|
|
|
1892 assert ("Spurious timer fired" == 0);
|
|
|
1893 break;
|
|
|
1894
|
|
|
1895 case WM_MOUSEMOVE:
|
|
|
1896 /* Optimization: don't report mouse movement while size is changing */
|
|
|
1897 msframe = FRAME_MSWINDOWS_DATA (XFRAME (mswindows_find_frame (hwnd)));
|
|
|
1898 if (!msframe->sizing)
|
|
|
1899 {
|
|
|
1900 /* When waiting for the second mouse button to finish
|
|
|
1901 button2 emulation, and have moved too far, just pretend
|
|
|
1902 as if timer has expired. This improves drag-select feedback */
|
|
|
1903 if ((msframe->button2_need_lbutton || msframe->button2_need_rbutton)
|
|
|
1904 && !mswindows_button2_near_enough (msframe->last_click_point,
|
|
|
1905 MAKEPOINTS (lParam)))
|
|
249
|
1906 {
|
|
|
1907 KillTimer (hwnd, BUTTON_2_TIMER_ID);
|
|
412
|
1908 SendMessage (hwnd, WM_TIMER, BUTTON_2_TIMER_ID, 0);
|
|
398
|
1909 }
|
|
412
|
1910
|
|
|
1911 emacs_event = Fmake_event (Qnil, Qnil);
|
|
|
1912 event = XEVENT(emacs_event);
|
|
|
1913
|
|
|
1914 event->channel = mswindows_find_frame(hwnd);
|
|
|
1915 event->timestamp = GetMessageTime();
|
|
|
1916 event->event_type = pointer_motion_event;
|
|
|
1917 event->event.motion.x = MAKEPOINTS(lParam).x;
|
|
|
1918 event->event.motion.y = MAKEPOINTS(lParam).y;
|
|
|
1919 event->event.motion.modifiers = mswindows_modifier_state (NULL, 0);
|
|
|
1920
|
|
|
1921 mswindows_enqueue_dispatch_event (emacs_event);
|
|
|
1922 }
|
|
|
1923 break;
|
|
|
1924
|
|
|
1925 case WM_CANCELMODE:
|
|
|
1926 ReleaseCapture ();
|
|
|
1927 /* Queue a `cancel-mode-internal' misc user event, so mouse
|
|
|
1928 selection would be canceled if any */
|
|
|
1929 mswindows_enqueue_misc_user_event (mswindows_find_frame (hwnd),
|
|
|
1930 Qcancel_mode_internal, Qnil);
|
|
|
1931 break;
|
|
|
1932
|
|
|
1933 case WM_NOTIFY:
|
|
|
1934 {
|
|
418
|
1935 LPNMHDR nmhdr = (LPNMHDR)lParam;
|
|
|
1936
|
|
|
1937 if (nmhdr->code == TTN_NEEDTEXT)
|
|
398
|
1938 {
|
|
418
|
1939 #ifdef HAVE_TOOLBARS
|
|
|
1940 LPTOOLTIPTEXT tttext = (LPTOOLTIPTEXT)lParam;
|
|
|
1941 Lisp_Object btext;
|
|
|
1942
|
|
412
|
1943 /* find out which toolbar */
|
|
|
1944 frame = XFRAME (mswindows_find_frame (hwnd));
|
|
|
1945 btext = mswindows_get_toolbar_button_text ( frame,
|
|
418
|
1946 nmhdr->idFrom );
|
|
412
|
1947
|
|
|
1948 tttext->lpszText = NULL;
|
|
|
1949 tttext->hinst = NULL;
|
|
|
1950
|
|
|
1951 if (!NILP(btext))
|
|
404
|
1952 {
|
|
412
|
1953 /* I think this is safe since the text will only go away
|
|
|
1954 when the toolbar does...*/
|
|
|
1955 GET_C_STRING_EXT_DATA_ALLOCA (btext, FORMAT_OS,
|
|
|
1956 tttext->lpszText);
|
|
404
|
1957 }
|
|
412
|
1958 #endif
|
|
418
|
1959 }
|
|
|
1960 /* handle tree view callbacks */
|
|
|
1961 else if (nmhdr->code == TVN_SELCHANGED)
|
|
|
1962 {
|
|
|
1963 NM_TREEVIEW* ptree = (NM_TREEVIEW*)lParam;
|
|
|
1964 frame = XFRAME (mswindows_find_frame (hwnd));
|
|
|
1965 mswindows_handle_gui_wm_command (frame, 0, ptree->itemNew.lParam);
|
|
|
1966 }
|
|
|
1967 /* handle tab control callbacks */
|
|
|
1968 else if (nmhdr->code == TCN_SELCHANGE)
|
|
|
1969 {
|
|
|
1970 TC_ITEM item;
|
|
|
1971 int index = SendMessage (nmhdr->hwndFrom, TCM_GETCURSEL, 0, 0);
|
|
|
1972 frame = XFRAME (mswindows_find_frame (hwnd));
|
|
422
|
1973
|
|
|
1974 item.mask = TCIF_PARAM;
|
|
418
|
1975 SendMessage (nmhdr->hwndFrom, TCM_GETITEM, (WPARAM)index,
|
|
|
1976 (LPARAM)&item);
|
|
|
1977
|
|
|
1978 mswindows_handle_gui_wm_command (frame, 0, item.lParam);
|
|
|
1979 }
|
|
412
|
1980 }
|
|
|
1981 break;
|
|
|
1982
|
|
|
1983 case WM_PAINT:
|
|
|
1984 {
|
|
|
1985 PAINTSTRUCT paintStruct;
|
|
|
1986
|
|
|
1987 frame = XFRAME (mswindows_find_frame (hwnd));
|
|
|
1988
|
|
|
1989 BeginPaint (hwnd, &paintStruct);
|
|
|
1990 mswindows_redraw_exposed_area (frame,
|
|
|
1991 paintStruct.rcPaint.left, paintStruct.rcPaint.top,
|
|
|
1992 paintStruct.rcPaint.right, paintStruct.rcPaint.bottom);
|
|
|
1993 EndPaint (hwnd, &paintStruct);
|
|
|
1994 }
|
|
|
1995 break;
|
|
|
1996
|
|
|
1997 case WM_SIZE:
|
|
|
1998 /* We only care about this message if our size has really changed */
|
|
|
1999 if (wParam==SIZE_RESTORED || wParam==SIZE_MAXIMIZED || wParam==SIZE_MINIMIZED)
|
|
|
2000 {
|
|
|
2001 RECT rect;
|
|
|
2002 int columns, rows;
|
|
|
2003
|
|
|
2004 fobj = mswindows_find_frame (hwnd);
|
|
|
2005 frame = XFRAME (fobj);
|
|
|
2006 msframe = FRAME_MSWINDOWS_DATA (frame);
|
|
|
2007
|
|
|
2008 /* We cannot handle frame map and unmap hooks right in
|
|
|
2009 this routine, because these may throw. We queue
|
|
|
2010 magic events to run these hooks instead - kkm */
|
|
|
2011
|
|
|
2012 if (wParam==SIZE_MINIMIZED)
|
|
|
2013 {
|
|
|
2014 /* Iconified */
|
|
|
2015 FRAME_VISIBLE_P (frame) = 0;
|
|
|
2016 mswindows_enqueue_magic_event (hwnd, XM_UNMAPFRAME);
|
|
249
|
2017 }
|
|
|
2018 else
|
|
|
2019 {
|
|
412
|
2020 GetClientRect(hwnd, &rect);
|
|
|
2021 FRAME_PIXWIDTH(frame) = rect.right;
|
|
|
2022 FRAME_PIXHEIGHT(frame) = rect.bottom;
|
|
|
2023
|
|
|
2024 pixel_to_real_char_size (frame, rect.right, rect.bottom,
|
|
|
2025 &FRAME_MSWINDOWS_CHARWIDTH (frame),
|
|
|
2026 &FRAME_MSWINDOWS_CHARHEIGHT (frame));
|
|
|
2027
|
|
|
2028 pixel_to_char_size (frame, rect.right, rect.bottom, &columns, &rows);
|
|
|
2029 change_frame_size (frame, rows, columns, 1);
|
|
|
2030
|
|
|
2031 /* If we are inside frame creation, we have to apply geometric
|
|
|
2032 properties now. */
|
|
|
2033 if (FRAME_MSWINDOWS_TARGET_RECT (frame))
|
|
269
|
2034 {
|
|
412
|
2035 /* Yes, we have to size again */
|
|
|
2036 mswindows_size_frame_internal ( frame,
|
|
|
2037 FRAME_MSWINDOWS_TARGET_RECT
|
|
|
2038 (frame));
|
|
|
2039 /* Reset so we do not get here again. The SetWindowPos call in
|
|
|
2040 * mswindows_size_frame_internal can cause recursion here. */
|
|
|
2041 if (FRAME_MSWINDOWS_TARGET_RECT (frame))
|
|
|
2042 {
|
|
|
2043 xfree (FRAME_MSWINDOWS_TARGET_RECT (frame));
|
|
|
2044 FRAME_MSWINDOWS_TARGET_RECT (frame) = 0;
|
|
|
2045 }
|
|
269
|
2046 }
|
|
|
2047 else
|
|
|
2048 {
|
|
412
|
2049 if (!msframe->sizing && !FRAME_VISIBLE_P (frame))
|
|
|
2050 mswindows_enqueue_magic_event (hwnd, XM_MAPFRAME);
|
|
|
2051 FRAME_VISIBLE_P (frame) = 1;
|
|
|
2052
|
|
|
2053 if (!msframe->sizing || mswindows_dynamic_frame_resize)
|
|
|
2054 redisplay ();
|
|
269
|
2055 }
|
|
249
|
2056 }
|
|
412
|
2057 }
|
|
|
2058 break;
|
|
|
2059
|
|
|
2060 /* Misc magic events which only require that the frame be identified */
|
|
|
2061 case WM_SETFOCUS:
|
|
|
2062 case WM_KILLFOCUS:
|
|
|
2063 mswindows_enqueue_magic_event (hwnd, message);
|
|
|
2064 break;
|
|
|
2065
|
|
|
2066 case WM_WINDOWPOSCHANGING:
|
|
|
2067 {
|
|
|
2068 WINDOWPOS *wp = (LPWINDOWPOS) lParam;
|
|
|
2069 WINDOWPLACEMENT wpl = { sizeof(WINDOWPLACEMENT) };
|
|
|
2070 GetWindowPlacement(hwnd, &wpl);
|
|
|
2071
|
|
|
2072 /* Only interested if size is changing and we're not being iconified */
|
|
|
2073 if (wpl.showCmd != SW_SHOWMINIMIZED
|
|
|
2074 && wpl.showCmd != SW_SHOWMAXIMIZED
|
|
|
2075 && !(wp->flags & SWP_NOSIZE))
|
|
404
|
2076 {
|
|
412
|
2077 RECT ncsize = { 0, 0, 0, 0 };
|
|
|
2078 int pixwidth, pixheight;
|
|
|
2079 AdjustWindowRectEx (&ncsize, GetWindowLong (hwnd, GWL_STYLE),
|
|
|
2080 GetMenu(hwnd) != NULL,
|
|
|
2081 GetWindowLong (hwnd, GWL_EXSTYLE));
|
|
|
2082
|
|
|
2083 round_size_to_real_char (XFRAME (mswindows_find_frame (hwnd)),
|
|
|
2084 wp->cx - (ncsize.right - ncsize.left),
|
|
|
2085 wp->cy - (ncsize.bottom - ncsize.top),
|
|
|
2086 &pixwidth, &pixheight);
|
|
|
2087
|
|
|
2088 /* Convert client sizes to window sizes */
|
|
|
2089 pixwidth += (ncsize.right - ncsize.left);
|
|
|
2090 pixheight += (ncsize.bottom - ncsize.top);
|
|
|
2091
|
|
|
2092 if (wpl.showCmd != SW_SHOWMAXIMIZED)
|
|
249
|
2093 {
|
|
412
|
2094 /* Adjust so that the bottom or right doesn't move if it's
|
|
|
2095 * the top or left that's being changed */
|
|
|
2096 RECT rect;
|
|
|
2097 GetWindowRect (hwnd, &rect);
|
|
|
2098
|
|
|
2099 if (rect.left != wp->x)
|
|
|
2100 wp->x += wp->cx - pixwidth;
|
|
|
2101 if (rect.top != wp->y)
|
|
|
2102 wp->y += wp->cy - pixheight;
|
|
249
|
2103 }
|
|
412
|
2104
|
|
|
2105 wp->cx = pixwidth;
|
|
|
2106 wp->cy = pixheight;
|
|
249
|
2107 }
|
|
412
|
2108 /* DefWindowProc sends useful WM_GETMINMAXINFO message, and adjusts
|
|
|
2109 window position if the user tries to track window too small */
|
|
|
2110 }
|
|
|
2111 goto defproc;
|
|
|
2112
|
|
|
2113 case WM_ENTERSIZEMOVE:
|
|
|
2114 msframe = FRAME_MSWINDOWS_DATA (XFRAME (mswindows_find_frame (hwnd)));
|
|
|
2115 msframe->sizing = 1;
|
|
|
2116 return 0;
|
|
|
2117
|
|
|
2118 case WM_EXITSIZEMOVE:
|
|
|
2119 msframe = FRAME_MSWINDOWS_DATA (XFRAME (mswindows_find_frame (hwnd)));
|
|
|
2120 msframe->sizing = 0;
|
|
|
2121 /* Queue noop event */
|
|
|
2122 mswindows_enqueue_magic_event (NULL, XM_BUMPQUEUE);
|
|
|
2123 return 0;
|
|
249
|
2124
|
|
|
2125 #ifdef HAVE_SCROLLBARS
|
|
412
|
2126 case WM_VSCROLL:
|
|
|
2127 case WM_HSCROLL:
|
|
|
2128 {
|
|
|
2129 /* Direction of scroll is determined by scrollbar instance. */
|
|
|
2130 int code = (int) LOWORD(wParam);
|
|
|
2131 int pos = (short int) HIWORD(wParam);
|
|
|
2132 HWND hwndScrollBar = (HWND) lParam;
|
|
|
2133 struct gcpro gcpro1, gcpro2;
|
|
|
2134
|
|
|
2135 mswindows_handle_scrollbar_event (hwndScrollBar, code, pos);
|
|
|
2136 GCPRO2 (emacs_event, fobj);
|
|
|
2137 if (UNBOUNDP(mswindows_pump_outstanding_events())) /* Can GC */
|
|
|
2138 {
|
|
|
2139 /* Error during event pumping - cancel scroll */
|
|
|
2140 SendMessage (hwndScrollBar, WM_CANCELMODE, 0, 0);
|
|
|
2141 }
|
|
|
2142 UNGCPRO;
|
|
|
2143 break;
|
|
|
2144 }
|
|
249
|
2145 #endif
|
|
|
2146
|
|
|
2147 #ifdef HAVE_MENUBARS
|
|
412
|
2148 case WM_INITMENU:
|
|
|
2149 if (UNBOUNDP (mswindows_handle_wm_initmenu (
|
|
|
2150 (HMENU) wParam,
|
|
|
2151 XFRAME (mswindows_find_frame (hwnd)))))
|
|
|
2152 SendMessage (hwnd, WM_CANCELMODE, 0, 0);
|
|
|
2153 break;
|
|
|
2154
|
|
|
2155 case WM_INITMENUPOPUP:
|
|
|
2156 if (!HIWORD(lParam))
|
|
|
2157 {
|
|
|
2158 if (UNBOUNDP (mswindows_handle_wm_initmenupopup (
|
|
|
2159 (HMENU) wParam,
|
|
|
2160 XFRAME (mswindows_find_frame (hwnd)))))
|
|
|
2161 SendMessage (hwnd, WM_CANCELMODE, 0, 0);
|
|
|
2162 }
|
|
|
2163 break;
|
|
249
|
2164
|
|
|
2165 #endif /* HAVE_MENUBARS */
|
|
|
2166
|
|
412
|
2167 case WM_COMMAND:
|
|
|
2168 {
|
|
|
2169 WORD id = LOWORD (wParam);
|
|
|
2170 WORD nid = HIWORD (wParam);
|
|
|
2171 HWND cid = (HWND)lParam;
|
|
|
2172 frame = XFRAME (mswindows_find_frame (hwnd));
|
|
249
|
2173
|
|
276
|
2174 #ifdef HAVE_TOOLBARS
|
|
412
|
2175 if (!NILP (mswindows_handle_toolbar_wm_command (frame, cid, id)))
|
|
|
2176 break;
|
|
276
|
2177 #endif
|
|
412
|
2178 /* widgets in a buffer only eval a callback for suitable events.*/
|
|
|
2179 switch (nid)
|
|
|
2180 {
|
|
|
2181 case BN_CLICKED:
|
|
|
2182 case EN_CHANGE:
|
|
|
2183 case CBN_EDITCHANGE:
|
|
|
2184 case CBN_SELCHANGE:
|
|
|
2185 if (!NILP (mswindows_handle_gui_wm_command (frame, cid, id)))
|
|
|
2186 return 0;
|
|
|
2187 }
|
|
|
2188 /* menubars always must come last since the hashtables do not
|
|
|
2189 always exist*/
|
|
249
|
2190 #ifdef HAVE_MENUBARS
|
|
412
|
2191 if (!NILP (mswindows_handle_wm_command (frame, id)))
|
|
|
2192 break;
|
|
249
|
2193 #endif
|
|
|
2194
|
|
412
|
2195 return DefWindowProc (hwnd, message, wParam, lParam);
|
|
|
2196 /* Bite me - a spurious command. This used to not be able to
|
|
|
2197 happen but with the introduction of widgets its now
|
|
|
2198 possible. */
|
|
|
2199 }
|
|
|
2200 break;
|
|
|
2201
|
|
|
2202 case WM_CTLCOLORBTN:
|
|
|
2203 case WM_CTLCOLORLISTBOX:
|
|
|
2204 case WM_CTLCOLOREDIT:
|
|
|
2205 case WM_CTLCOLORSTATIC:
|
|
|
2206 case WM_CTLCOLORSCROLLBAR:
|
|
|
2207 {
|
|
|
2208 /* if we get an opportunity to paint a widget then do so if
|
|
|
2209 there is an appropriate face */
|
|
|
2210 HWND crtlwnd = (HWND)lParam;
|
|
|
2211 LONG ii = GetWindowLong (crtlwnd, GWL_USERDATA);
|
|
|
2212 if (ii)
|
|
|
2213 {
|
|
|
2214 Lisp_Object image_instance;
|
|
|
2215 VOID_TO_LISP (image_instance, ii);
|
|
|
2216 if (IMAGE_INSTANCEP (image_instance)
|
|
|
2217 &&
|
|
|
2218 IMAGE_INSTANCE_TYPE_P (image_instance, IMAGE_WIDGET)
|
|
|
2219 &&
|
|
|
2220 !NILP (XIMAGE_INSTANCE_WIDGET_FACE (image_instance)))
|
|
|
2221 {
|
|
|
2222 /* set colors for the buttons */
|
|
|
2223 HDC hdc = (HDC)wParam;
|
|
|
2224 if (last_widget_brushed != ii)
|
|
|
2225 {
|
|
|
2226 if (widget_brush)
|
|
|
2227 DeleteObject (widget_brush);
|
|
|
2228 widget_brush = CreateSolidBrush
|
|
|
2229 (COLOR_INSTANCE_MSWINDOWS_COLOR
|
|
|
2230 (XCOLOR_INSTANCE
|
|
|
2231 (FACE_BACKGROUND
|
|
|
2232 (XIMAGE_INSTANCE_WIDGET_FACE (image_instance),
|
|
|
2233 XIMAGE_INSTANCE_SUBWINDOW_FRAME (image_instance)))));
|
|
|
2234 }
|
|
|
2235 last_widget_brushed = ii;
|
|
|
2236 SetTextColor
|
|
|
2237 (hdc,
|
|
|
2238 COLOR_INSTANCE_MSWINDOWS_COLOR
|
|
|
2239 (XCOLOR_INSTANCE
|
|
|
2240 (FACE_FOREGROUND
|
|
|
2241 (XIMAGE_INSTANCE_WIDGET_FACE (image_instance),
|
|
|
2242 XIMAGE_INSTANCE_SUBWINDOW_FRAME (image_instance)))));
|
|
|
2243 SetBkMode (hdc, OPAQUE);
|
|
|
2244 SetBkColor
|
|
|
2245 (hdc,
|
|
|
2246 COLOR_INSTANCE_MSWINDOWS_COLOR
|
|
|
2247 (XCOLOR_INSTANCE
|
|
|
2248 (FACE_BACKGROUND
|
|
|
2249 (XIMAGE_INSTANCE_WIDGET_FACE (image_instance),
|
|
|
2250 XIMAGE_INSTANCE_SUBWINDOW_FRAME (image_instance)))));
|
|
|
2251 return (LRESULT)widget_brush;
|
|
|
2252 }
|
|
|
2253 }
|
|
|
2254 }
|
|
|
2255 goto defproc;
|
|
384
|
2256
|
|
284
|
2257 #ifdef HAVE_DRAGNDROP
|
|
412
|
2258 case WM_DROPFILES: /* implementation ripped-off from event-Xt.c */
|
|
|
2259 {
|
|
|
2260 UINT filecount, i, len;
|
|
|
2261 POINT point;
|
|
|
2262 char* filename;
|
|
|
2263 #ifdef __CYGWIN32__
|
|
|
2264 char* fname;
|
|
259
|
2265 #endif
|
|
412
|
2266 Lisp_Object l_dndlist = Qnil, l_item = Qnil;
|
|
|
2267 struct gcpro gcpro1, gcpro2, gcpro3;
|
|
|
2268
|
|
|
2269 emacs_event = Fmake_event (Qnil, Qnil);
|
|
|
2270 event = XEVENT(emacs_event);
|
|
|
2271
|
|
|
2272 GCPRO3 (emacs_event, l_dndlist, l_item);
|
|
|
2273
|
|
|
2274 if (!DragQueryPoint ((HANDLE) wParam, &point))
|
|
|
2275 point.x = point.y = -1; /* outside client area */
|
|
|
2276
|
|
|
2277 event->event_type = misc_user_event;
|
|
|
2278 event->channel = mswindows_find_frame(hwnd);
|
|
|
2279 event->timestamp = GetMessageTime();
|
|
|
2280 event->event.misc.button = 1; /* #### Should try harder */
|
|
|
2281 event->event.misc.modifiers = mswindows_modifier_state (NULL, 0);
|
|
|
2282 event->event.misc.x = point.x;
|
|
|
2283 event->event.misc.y = point.y;
|
|
|
2284 event->event.misc.function = Qdragdrop_drop_dispatch;
|
|
|
2285
|
|
|
2286 filecount = DragQueryFile ((HANDLE) wParam, 0xffffffff, NULL, 0);
|
|
|
2287 for (i=0; i<filecount; i++)
|
|
|
2288 {
|
|
|
2289 len = DragQueryFile ((HANDLE) wParam, i, NULL, 0);
|
|
|
2290 /* The URLs that we make here aren't correct according to section
|
|
|
2291 * 3.10 of rfc1738 because they're missing the //<host>/ part and
|
|
|
2292 * because they may contain reserved characters. But that's OK. */
|
|
|
2293 #ifdef __CYGWIN32__
|
|
|
2294 fname = (char *)xmalloc (len+1);
|
|
|
2295 DragQueryFile ((HANDLE) wParam, i, fname, len+1);
|
|
|
2296 filename = xmalloc (cygwin32_win32_to_posix_path_list_buf_size (fname) + 5);
|
|
|
2297 strcpy (filename, "file:");
|
|
|
2298 cygwin32_win32_to_posix_path_list (fname, filename+5);
|
|
|
2299 xfree (fname);
|
|
259
|
2300 #else
|
|
412
|
2301 filename = (char *)xmalloc (len+6);
|
|
|
2302 strcpy (filename, "file:");
|
|
|
2303 DragQueryFile ((HANDLE) wParam, i, filename+5, len+1);
|
|
|
2304 dostounix_filename (filename+5);
|
|
259
|
2305 #endif
|
|
412
|
2306 l_item = make_string (filename, strlen (filename));
|
|
|
2307 l_dndlist = Fcons (l_item, l_dndlist);
|
|
|
2308 xfree (filename);
|
|
|
2309 }
|
|
|
2310 DragFinish ((HANDLE) wParam);
|
|
|
2311
|
|
|
2312 event->event.misc.object = Fcons (Qdragdrop_URL, l_dndlist);
|
|
|
2313 mswindows_enqueue_dispatch_event (emacs_event);
|
|
|
2314 UNGCPRO;
|
|
|
2315 }
|
|
|
2316 break;
|
|
404
|
2317 #endif
|
|
|
2318
|
|
412
|
2319 defproc:
|
|
|
2320 default:
|
|
|
2321 return DefWindowProc (hwnd, message, wParam, lParam);
|
|
|
2322 }
|
|
249
|
2323 return (0);
|
|
|
2324 }
|
|
|
2325
|
|
|
2326
|
|
|
2327 /************************************************************************/
|
|
|
2328 /* keyboard, mouse & other helpers for the windows procedure */
|
|
|
2329 /************************************************************************/
|
|
|
2330 static void
|
|
|
2331 mswindows_set_chord_timer (HWND hwnd)
|
|
|
2332 {
|
|
|
2333 int interval;
|
|
|
2334
|
|
269
|
2335 /* We get one third half system double click threshold */
|
|
272
|
2336 if (mswindows_mouse_button_tolerance <= 0)
|
|
269
|
2337 interval = GetDoubleClickTime () / 3;
|
|
249
|
2338 else
|
|
272
|
2339 interval = mswindows_mouse_button_tolerance;
|
|
249
|
2340
|
|
|
2341 SetTimer (hwnd, BUTTON_2_TIMER_ID, interval, 0);
|
|
|
2342 }
|
|
|
2343
|
|
|
2344 static int
|
|
|
2345 mswindows_button2_near_enough (POINTS p1, POINTS p2)
|
|
|
2346 {
|
|
|
2347 int dx, dy;
|
|
272
|
2348 if (mswindows_mouse_button_max_skew_x <= 0)
|
|
249
|
2349 dx = GetSystemMetrics (SM_CXDOUBLECLK) / 2;
|
|
|
2350 else
|
|
272
|
2351 dx = mswindows_mouse_button_max_skew_x;
|
|
249
|
2352
|
|
272
|
2353 if (mswindows_mouse_button_max_skew_y <= 0)
|
|
249
|
2354 dy = GetSystemMetrics (SM_CYDOUBLECLK) / 2;
|
|
|
2355 else
|
|
272
|
2356 dy = mswindows_mouse_button_max_skew_y;
|
|
249
|
2357
|
|
|
2358 return abs (p1.x - p2.x) < dx && abs (p1.y- p2.y)< dy;
|
|
|
2359 }
|
|
|
2360
|
|
|
2361 static int
|
|
|
2362 mswindows_current_layout_has_AltGr (void)
|
|
|
2363 {
|
|
|
2364 /* This simple caching mechanism saves 10% of CPU
|
|
|
2365 time when a key typed at autorepeat rate of 30 cps! */
|
|
|
2366 static HKL last_hkl = 0;
|
|
|
2367 static int last_hkl_has_AltGr;
|
|
|
2368
|
|
|
2369 HKL current_hkl = GetKeyboardLayout (0);
|
|
|
2370 if (current_hkl != last_hkl)
|
|
|
2371 {
|
|
|
2372 TCHAR c;
|
|
|
2373 last_hkl_has_AltGr = 0;
|
|
|
2374 /* In this loop, we query whether a character requires
|
|
|
2375 AltGr to be down to generate it. If at least such one
|
|
|
2376 found, this means that the layout does regard AltGr */
|
|
|
2377 for (c = ' '; c <= 0xFFU && c != 0 && !last_hkl_has_AltGr; ++c)
|
|
|
2378 if (HIBYTE (VkKeyScan (c)) == 6)
|
|
|
2379 last_hkl_has_AltGr = 1;
|
|
|
2380 last_hkl = current_hkl;
|
|
|
2381 }
|
|
|
2382 return last_hkl_has_AltGr;
|
|
|
2383 }
|
|
|
2384
|
|
|
2385
|
|
|
2386 /* Returns the state of the modifier keys in the format expected by the
|
|
|
2387 * Lisp_Event key_data, button_data and motion_data modifiers member */
|
|
412
|
2388 int mswindows_modifier_state (BYTE* keymap, int has_AltGr)
|
|
249
|
2389 {
|
|
|
2390 int mods = 0;
|
|
|
2391
|
|
|
2392 if (keymap == NULL)
|
|
|
2393 {
|
|
412
|
2394 keymap = (BYTE*) alloca(256);
|
|
249
|
2395 GetKeyboardState (keymap);
|
|
|
2396 has_AltGr = mswindows_current_layout_has_AltGr ();
|
|
|
2397 }
|
|
|
2398
|
|
|
2399 if (has_AltGr && (keymap [VK_LCONTROL] & 0x80) && (keymap [VK_RMENU] & 0x80))
|
|
|
2400 {
|
|
412
|
2401 mods |= (keymap [VK_LMENU] & 0x80) ? MOD_META : 0;
|
|
|
2402 mods |= (keymap [VK_RCONTROL] & 0x80) ? MOD_CONTROL : 0;
|
|
249
|
2403 }
|
|
|
2404 else
|
|
|
2405 {
|
|
412
|
2406 mods |= (keymap [VK_MENU] & 0x80) ? MOD_META : 0;
|
|
|
2407 mods |= (keymap [VK_CONTROL] & 0x80) ? MOD_CONTROL : 0;
|
|
249
|
2408 }
|
|
|
2409
|
|
412
|
2410 mods |= (keymap [VK_SHIFT] & 0x80) ? MOD_SHIFT : 0;
|
|
249
|
2411
|
|
|
2412 return mods;
|
|
|
2413 }
|
|
|
2414
|
|
|
2415 /*
|
|
|
2416 * Translate a mswindows virtual key to a keysym.
|
|
|
2417 * Only returns non-Qnil for keys that don't generate WM_CHAR messages
|
|
|
2418 * or whose ASCII codes (like space) xemacs doesn't like.
|
|
371
|
2419 * Virtual key values are defined in winresrc.h
|
|
412
|
2420 * XXX I'm not sure that KEYSYM("name") is the best thing to use here.
|
|
249
|
2421 */
|
|
412
|
2422 Lisp_Object mswindows_key_to_emacs_keysym(int mswindows_key, int mods)
|
|
249
|
2423 {
|
|
412
|
2424 switch (mswindows_key)
|
|
|
2425 {
|
|
|
2426 /* First the predefined ones */
|
|
|
2427 case VK_BACK: return QKbackspace;
|
|
|
2428 case VK_TAB: return QKtab;
|
|
|
2429 case '\n': return QKlinefeed; /* No VK_LINEFEED in winresrc.h */
|
|
|
2430 case VK_RETURN: return QKreturn;
|
|
|
2431 case VK_ESCAPE: return QKescape;
|
|
|
2432 case VK_SPACE: return QKspace;
|
|
|
2433 case VK_DELETE: return QKdelete;
|
|
|
2434
|
|
|
2435 /* The rest */
|
|
|
2436 case VK_CLEAR: return KEYSYM ("clear"); /* Should do ^L ? */
|
|
|
2437 case VK_PRIOR: return KEYSYM ("prior");
|
|
|
2438 case VK_NEXT: return KEYSYM ("next");
|
|
|
2439 case VK_END: return KEYSYM ("end");
|
|
|
2440 case VK_HOME: return KEYSYM ("home");
|
|
|
2441 case VK_LEFT: return KEYSYM ("left");
|
|
|
2442 case VK_UP: return KEYSYM ("up");
|
|
|
2443 case VK_RIGHT: return KEYSYM ("right");
|
|
|
2444 case VK_DOWN: return KEYSYM ("down");
|
|
|
2445 case VK_SELECT: return KEYSYM ("select");
|
|
|
2446 case VK_PRINT: return KEYSYM ("print");
|
|
|
2447 case VK_EXECUTE: return KEYSYM ("execute");
|
|
|
2448 case VK_SNAPSHOT: return KEYSYM ("print");
|
|
|
2449 case VK_INSERT: return KEYSYM ("insert");
|
|
|
2450 case VK_HELP: return KEYSYM ("help");
|
|
|
2451 #if 0 /* XXX What are these supposed to do? */
|
|
|
2452 case VK_LWIN return KEYSYM ("");
|
|
|
2453 case VK_RWIN return KEYSYM ("");
|
|
367
|
2454 #endif
|
|
412
|
2455 case VK_APPS: return KEYSYM ("menu");
|
|
|
2456 case VK_F1: return KEYSYM ("f1");
|
|
|
2457 case VK_F2: return KEYSYM ("f2");
|
|
|
2458 case VK_F3: return KEYSYM ("f3");
|
|
|
2459 case VK_F4: return KEYSYM ("f4");
|
|
|
2460 case VK_F5: return KEYSYM ("f5");
|
|
|
2461 case VK_F6: return KEYSYM ("f6");
|
|
|
2462 case VK_F7: return KEYSYM ("f7");
|
|
|
2463 case VK_F8: return KEYSYM ("f8");
|
|
|
2464 case VK_F9: return KEYSYM ("f9");
|
|
|
2465 case VK_F10: return KEYSYM ("f10");
|
|
|
2466 case VK_F11: return KEYSYM ("f11");
|
|
|
2467 case VK_F12: return KEYSYM ("f12");
|
|
|
2468 case VK_F13: return KEYSYM ("f13");
|
|
|
2469 case VK_F14: return KEYSYM ("f14");
|
|
|
2470 case VK_F15: return KEYSYM ("f15");
|
|
|
2471 case VK_F16: return KEYSYM ("f16");
|
|
|
2472 case VK_F17: return KEYSYM ("f17");
|
|
|
2473 case VK_F18: return KEYSYM ("f18");
|
|
|
2474 case VK_F19: return KEYSYM ("f19");
|
|
|
2475 case VK_F20: return KEYSYM ("f20");
|
|
|
2476 case VK_F21: return KEYSYM ("f21");
|
|
|
2477 case VK_F22: return KEYSYM ("f22");
|
|
|
2478 case VK_F23: return KEYSYM ("f23");
|
|
|
2479 case VK_F24: return KEYSYM ("f24");
|
|
|
2480 }
|
|
249
|
2481 return Qnil;
|
|
|
2482 }
|
|
|
2483
|
|
|
2484 /*
|
|
|
2485 * Find the console that matches the supplied mswindows window handle
|
|
|
2486 */
|
|
|
2487 Lisp_Object
|
|
|
2488 mswindows_find_console (HWND hwnd)
|
|
|
2489 {
|
|
274
|
2490 /* We only support one console */
|
|
|
2491 return XCAR (Vconsole_list);
|
|
249
|
2492 }
|
|
|
2493
|
|
|
2494 /*
|
|
|
2495 * Find the frame that matches the supplied mswindows window handle
|
|
|
2496 */
|
|
|
2497 static Lisp_Object
|
|
|
2498 mswindows_find_frame (HWND hwnd)
|
|
|
2499 {
|
|
269
|
2500 LONG l = GetWindowLong (hwnd, XWL_FRAMEOBJ);
|
|
|
2501 Lisp_Object f;
|
|
|
2502 if (l == 0)
|
|
|
2503 {
|
|
|
2504 /* We are in progress of frame creation. Return the frame
|
|
|
2505 being created, as it still not remembered in the window
|
|
|
2506 extra storage. */
|
|
276
|
2507 assert (!NILP (Vmswindows_frame_being_created));
|
|
|
2508 return Vmswindows_frame_being_created;
|
|
269
|
2509 }
|
|
|
2510 VOID_TO_LISP (f, l);
|
|
|
2511 return f;
|
|
249
|
2512 }
|
|
|
2513
|
|
213
|
2514
|
|
|
2515 /************************************************************************/
|
|
|
2516 /* methods */
|
|
|
2517 /************************************************************************/
|
|
|
2518
|
|
|
2519 static int
|
|
|
2520 emacs_mswindows_add_timeout (EMACS_TIME thyme)
|
|
|
2521 {
|
|
223
|
2522 int milliseconds;
|
|
213
|
2523 EMACS_TIME current_time;
|
|
|
2524 EMACS_GET_TIME (current_time);
|
|
|
2525 EMACS_SUB_TIME (thyme, thyme, current_time);
|
|
223
|
2526 milliseconds = EMACS_SECS (thyme) * 1000 +
|
|
|
2527 (EMACS_USECS (thyme) + 500) / 1000;
|
|
213
|
2528 if (milliseconds < 1)
|
|
|
2529 milliseconds = 1;
|
|
227
|
2530 ++mswindows_pending_timers_count;
|
|
249
|
2531 return SetTimer (NULL, 0, milliseconds,
|
|
|
2532 (TIMERPROC) mswindows_wm_timer_callback);
|
|
213
|
2533 }
|
|
|
2534
|
|
|
2535 static void
|
|
|
2536 emacs_mswindows_remove_timeout (int id)
|
|
|
2537 {
|
|
412
|
2538 struct Lisp_Event match_against;
|
|
223
|
2539 Lisp_Object emacs_event;
|
|
|
2540
|
|
233
|
2541 if (KillTimer (NULL, id))
|
|
|
2542 --mswindows_pending_timers_count;
|
|
223
|
2543
|
|
|
2544 /* If there is a dispatch event generated by this
|
|
|
2545 timeout in the queue, we have to remove it too. */
|
|
|
2546 match_against.event_type = timeout_event;
|
|
|
2547 match_against.event.timeout.interval_id = id;
|
|
|
2548 emacs_event = mswindows_cancel_dispatch_event (&match_against);
|
|
|
2549 if (!NILP (emacs_event))
|
|
|
2550 Fdeallocate_event(emacs_event);
|
|
213
|
2551 }
|
|
|
2552
|
|
219
|
2553 /* If `user_p' is false, then return whether there are any win32, timeout,
|
|
|
2554 * or subprocess events pending (that is, whether
|
|
|
2555 * emacs_mswindows_next_event() would return immediately without blocking).
|
|
|
2556 *
|
|
|
2557 * if `user_p' is true, then return whether there are any *user generated*
|
|
|
2558 * events available (that is, whether there are keyboard or mouse-click
|
|
|
2559 * events ready to be read). This also implies that
|
|
|
2560 * emacs_mswindows_next_event() would not block.
|
|
|
2561 */
|
|
213
|
2562 static int
|
|
|
2563 emacs_mswindows_event_pending_p (int user_p)
|
|
|
2564 {
|
|
274
|
2565 mswindows_need_event (0);
|
|
223
|
2566 return (!NILP (mswindows_u_dispatch_event_queue)
|
|
|
2567 || (!user_p && !NILP (mswindows_s_dispatch_event_queue)));
|
|
213
|
2568 }
|
|
|
2569
|
|
|
2570 /*
|
|
|
2571 * Return the next event
|
|
|
2572 */
|
|
|
2573 static void
|
|
412
|
2574 emacs_mswindows_next_event (struct Lisp_Event *emacs_event)
|
|
213
|
2575 {
|
|
223
|
2576 Lisp_Object event, event2;
|
|
|
2577
|
|
274
|
2578 mswindows_need_event (1);
|
|
213
|
2579
|
|
418
|
2580 event = mswindows_dequeue_dispatch_event ();
|
|
223
|
2581 XSETEVENT (event2, emacs_event);
|
|
|
2582 Fcopy_event (event, event2);
|
|
|
2583 Fdeallocate_event (event);
|
|
213
|
2584 }
|
|
|
2585
|
|
|
2586 /*
|
|
|
2587 * Handle a magic event off the dispatch queue.
|
|
|
2588 */
|
|
|
2589 static void
|
|
412
|
2590 emacs_mswindows_handle_magic_event (struct Lisp_Event *emacs_event)
|
|
213
|
2591 {
|
|
|
2592 switch (EVENT_MSWINDOWS_MAGIC_TYPE(emacs_event))
|
|
|
2593 {
|
|
288
|
2594 case XM_BUMPQUEUE:
|
|
|
2595 break;
|
|
412
|
2596
|
|
288
|
2597 case WM_SETFOCUS:
|
|
|
2598 case WM_KILLFOCUS:
|
|
|
2599 {
|
|
|
2600 Lisp_Object frame = EVENT_CHANNEL (emacs_event);
|
|
|
2601 struct frame *f = XFRAME (frame);
|
|
|
2602 int in_p = (EVENT_MSWINDOWS_MAGIC_TYPE(emacs_event) == WM_SETFOCUS);
|
|
|
2603 Lisp_Object conser;
|
|
412
|
2604
|
|
|
2605 /* struct gcpro gcpro1; */
|
|
|
2606
|
|
|
2607 /* Clear sticky modifiers here (if we had any) */
|
|
213
|
2608
|
|
288
|
2609 conser = Fcons (frame, Fcons (FRAME_DEVICE (f), in_p ? Qt : Qnil));
|
|
412
|
2610 /* GCPRO1 (conser); XXX Not necessary? */
|
|
288
|
2611 emacs_handle_focus_change_preliminary (conser);
|
|
|
2612 /* Under X the stuff up to here is done in the X event handler.
|
|
|
2613 I Don't know why */
|
|
|
2614 emacs_handle_focus_change_final (conser);
|
|
412
|
2615 /* UNGCPRO; */
|
|
223
|
2616
|
|
288
|
2617 }
|
|
|
2618 break;
|
|
213
|
2619
|
|
288
|
2620 case XM_MAPFRAME:
|
|
|
2621 case XM_UNMAPFRAME:
|
|
|
2622 {
|
|
|
2623 Lisp_Object frame = EVENT_CHANNEL (emacs_event);
|
|
412
|
2624 va_run_hook_with_args (EVENT_MSWINDOWS_MAGIC_TYPE(emacs_event)
|
|
288
|
2625 == XM_MAPFRAME ?
|
|
412
|
2626 Qmap_frame_hook : Qunmap_frame_hook,
|
|
288
|
2627 1, frame);
|
|
|
2628 }
|
|
|
2629 break;
|
|
412
|
2630
|
|
249
|
2631 /* #### What about Enter & Leave */
|
|
213
|
2632 #if 0
|
|
|
2633 va_run_hook_with_args (in_p ? Qmouse_enter_frame_hook :
|
|
|
2634 Qmouse_leave_frame_hook, 1, frame);
|
|
|
2635 #endif
|
|
|
2636
|
|
288
|
2637 default:
|
|
|
2638 assert(0);
|
|
|
2639 }
|
|
213
|
2640 }
|
|
|
2641
|
|
384
|
2642 #ifndef HAVE_MSG_SELECT
|
|
274
|
2643 static HANDLE
|
|
412
|
2644 get_process_input_waitable (struct Lisp_Process *process)
|
|
274
|
2645 {
|
|
282
|
2646 Lisp_Object instr, outstr, p;
|
|
|
2647 XSETPROCESS (p, process);
|
|
274
|
2648 get_process_streams (process, &instr, &outstr);
|
|
|
2649 assert (!NILP (instr));
|
|
282
|
2650 #if defined (HAVE_SOCKETS) && !defined(HAVE_MSG_SELECT)
|
|
|
2651 return (network_connection_p (p)
|
|
|
2652 ? get_winsock_stream_waitable (XLSTREAM (instr))
|
|
|
2653 : get_ntpipe_input_stream_waitable (XLSTREAM (instr)));
|
|
|
2654 #else
|
|
412
|
2655 return get_ntpipe_input_stream_waitable (XLSTREAM (instr));
|
|
282
|
2656 #endif
|
|
274
|
2657 }
|
|
|
2658
|
|
213
|
2659 static void
|
|
412
|
2660 emacs_mswindows_select_process (struct Lisp_Process *process)
|
|
213
|
2661 {
|
|
274
|
2662 HANDLE hev = get_process_input_waitable (process);
|
|
|
2663
|
|
|
2664 if (!add_waitable_handle (hev))
|
|
|
2665 error ("Too many active processes");
|
|
|
2666
|
|
276
|
2667 #ifdef HAVE_WIN32_PROCESSES
|
|
|
2668 {
|
|
282
|
2669 Lisp_Object p;
|
|
|
2670 XSETPROCESS (p, process);
|
|
|
2671 if (!network_connection_p (p))
|
|
276
|
2672 {
|
|
282
|
2673 HANDLE hprocess = get_nt_process_handle (process);
|
|
|
2674 if (!add_waitable_handle (hprocess))
|
|
|
2675 {
|
|
|
2676 remove_waitable_handle (hev);
|
|
|
2677 error ("Too many active processes");
|
|
|
2678 }
|
|
276
|
2679 }
|
|
|
2680 }
|
|
|
2681 #endif
|
|
213
|
2682 }
|
|
|
2683
|
|
|
2684 static void
|
|
412
|
2685 emacs_mswindows_unselect_process (struct Lisp_Process *process)
|
|
213
|
2686 {
|
|
274
|
2687 /* Process handle is removed in the event loop as soon
|
|
|
2688 as it is signaled, so don't bother here about it */
|
|
|
2689 HANDLE hev = get_process_input_waitable (process);
|
|
|
2690 remove_waitable_handle (hev);
|
|
213
|
2691 }
|
|
384
|
2692 #endif /* HAVE_MSG_SELECT */
|
|
213
|
2693
|
|
|
2694 static void
|
|
|
2695 emacs_mswindows_select_console (struct console *con)
|
|
|
2696 {
|
|
392
|
2697 #ifdef HAVE_MSG_SELECT
|
|
|
2698 if (CONSOLE_MSWINDOWS_P (con))
|
|
|
2699 return; /* mswindows consoles are automatically selected */
|
|
|
2700
|
|
|
2701 event_stream_unixoid_select_console (con);
|
|
|
2702 #endif
|
|
213
|
2703 }
|
|
|
2704
|
|
|
2705 static void
|
|
|
2706 emacs_mswindows_unselect_console (struct console *con)
|
|
|
2707 {
|
|
392
|
2708 #ifdef HAVE_MSG_SELECT
|
|
|
2709 if (CONSOLE_MSWINDOWS_P (con))
|
|
|
2710 return; /* mswindows consoles are automatically selected */
|
|
|
2711
|
|
|
2712 event_stream_unixoid_unselect_console (con);
|
|
|
2713 #endif
|
|
213
|
2714 }
|
|
|
2715
|
|
|
2716 static void
|
|
|
2717 emacs_mswindows_quit_p (void)
|
|
|
2718 {
|
|
412
|
2719 MSG msg;
|
|
|
2720
|
|
276
|
2721 /* Quit cannot happen in modal loop: all program
|
|
|
2722 input is dedicated to Windows. */
|
|
|
2723 if (mswindows_in_modal_loop)
|
|
|
2724 return;
|
|
|
2725
|
|
412
|
2726 /* Drain windows queue. This sets up number of quit characters in the queue
|
|
|
2727 * (and also processes wm focus change, move, resize, etc messages).
|
|
|
2728 * We don't want to process WM_PAINT messages because this function can be
|
|
|
2729 * called from almost anywhere and the windows' states may be changing. */
|
|
|
2730 while (PeekMessage (&msg, NULL, 0, WM_PAINT-1, PM_REMOVE) ||
|
|
|
2731 PeekMessage (&msg, NULL, WM_PAINT+1, WM_USER-1, PM_REMOVE))
|
|
|
2732 DispatchMessage (&msg);
|
|
223
|
2733
|
|
|
2734 if (mswindows_quit_chars_count > 0)
|
|
|
2735 {
|
|
|
2736 /* Yes there's a hidden one... Throw it away */
|
|
412
|
2737 struct Lisp_Event match_against;
|
|
223
|
2738 Lisp_Object emacs_event;
|
|
|
2739
|
|
|
2740 match_against.event_type = key_press_event;
|
|
|
2741 match_against.event.key.modifiers = FAKE_MOD_QUIT;
|
|
|
2742
|
|
412
|
2743 emacs_event = mswindows_cancel_dispatch_event (&match_against);
|
|
|
2744 assert (!NILP (emacs_event));
|
|
|
2745
|
|
|
2746 Vquit_flag = (XEVENT(emacs_event)->event.key.modifiers & MOD_SHIFT
|
|
|
2747 ? Qcritical : Qt);
|
|
|
2748
|
|
|
2749 Fdeallocate_event(emacs_event);
|
|
|
2750 --mswindows_quit_chars_count;
|
|
223
|
2751 }
|
|
213
|
2752 }
|
|
|
2753
|
|
274
|
2754 USID
|
|
|
2755 emacs_mswindows_create_stream_pair (void* inhandle, void* outhandle,
|
|
|
2756 Lisp_Object* instream,
|
|
|
2757 Lisp_Object* outstream,
|
|
|
2758 int flags)
|
|
|
2759 {
|
|
|
2760 /* Handles for streams */
|
|
|
2761 HANDLE hin, hout;
|
|
|
2762 /* fds. These just stored along with the streams, and are closed in
|
|
|
2763 delete stream pair method, because we need to handle fake unices
|
|
|
2764 here. */
|
|
|
2765 int fdi, fdo;
|
|
|
2766
|
|
|
2767 /* Decode inhandle and outhandle. Their meaning depends on
|
|
|
2768 the process implementation being used. */
|
|
|
2769 #if defined (HAVE_WIN32_PROCESSES)
|
|
|
2770 /* We're passed in Windows handles. That's what we like most... */
|
|
|
2771 hin = (HANDLE) inhandle;
|
|
|
2772 hout = (HANDLE) outhandle;
|
|
|
2773 fdi = fdo = -1;
|
|
|
2774 #elif defined (HAVE_UNIX_PROCESSES)
|
|
|
2775 /* We are passed UNIX fds. This must be Cygwin.
|
|
|
2776 Fetch os handles */
|
|
276
|
2777 hin = inhandle >= 0 ? (HANDLE)get_osfhandle ((int)inhandle) : INVALID_HANDLE_VALUE;
|
|
|
2778 hout = outhandle >= 0 ? (HANDLE)get_osfhandle ((int)outhandle) : INVALID_HANDLE_VALUE;
|
|
|
2779 fdi=(int)inhandle;
|
|
|
2780 fdo=(int)outhandle;
|
|
274
|
2781 #else
|
|
|
2782 #error "So, WHICH kind of processes do you want?"
|
|
|
2783 #endif
|
|
|
2784
|
|
282
|
2785 *instream = (hin == INVALID_HANDLE_VALUE
|
|
|
2786 ? Qnil
|
|
|
2787 #if defined (HAVE_SOCKETS) && !defined (HAVE_MSG_SELECT)
|
|
|
2788 : flags & STREAM_NETWORK_CONNECTION
|
|
|
2789 ? make_winsock_input_stream ((SOCKET)hin, fdi)
|
|
|
2790 #endif
|
|
|
2791 : make_ntpipe_input_stream (hin, fdi));
|
|
274
|
2792
|
|
276
|
2793 #ifdef HAVE_WIN32_PROCESSES
|
|
282
|
2794 *outstream = (hout == INVALID_HANDLE_VALUE
|
|
|
2795 ? Qnil
|
|
|
2796 #if defined (HAVE_SOCKETS) && !defined (HAVE_MSG_SELECT)
|
|
|
2797 : flags & STREAM_NETWORK_CONNECTION
|
|
|
2798 ? make_winsock_output_stream ((SOCKET)hout, fdo)
|
|
|
2799 #endif
|
|
|
2800 : make_ntpipe_output_stream (hout, fdo));
|
|
276
|
2801 #elif defined (HAVE_UNIX_PROCESSES)
|
|
|
2802 *outstream = (fdo >= 0
|
|
|
2803 ? make_filedesc_output_stream (fdo, 0, -1, LSTR_BLOCKED_OK)
|
|
|
2804 : Qnil);
|
|
|
2805
|
|
|
2806 #if defined(HAVE_UNIX_PROCESSES) && defined(HAVE_PTYS)
|
|
|
2807 /* FLAGS is process->pty_flag for UNIX_PROCESSES */
|
|
282
|
2808 if ((flags & STREAM_PTY_FLUSHING) && fdo >= 0)
|
|
276
|
2809 {
|
|
|
2810 Bufbyte eof_char = get_eof_char (fdo);
|
|
|
2811 int pty_max_bytes = get_pty_max_bytes (fdo);
|
|
|
2812 filedesc_stream_set_pty_flushing (XLSTREAM(*outstream), pty_max_bytes, eof_char);
|
|
|
2813 }
|
|
|
2814 #endif
|
|
|
2815 #endif
|
|
274
|
2816
|
|
282
|
2817 return (NILP (*instream)
|
|
|
2818 ? USID_ERROR
|
|
|
2819 #if defined(HAVE_SOCKETS) && !defined(HAVE_MSG_SELECT)
|
|
|
2820 : flags & STREAM_NETWORK_CONNECTION
|
|
|
2821 ? HANDLE_TO_USID (get_winsock_stream_waitable (XLSTREAM (*instream)))
|
|
|
2822 #endif
|
|
274
|
2823 : HANDLE_TO_USID (get_ntpipe_input_stream_waitable (XLSTREAM (*instream))));
|
|
|
2824 }
|
|
|
2825
|
|
|
2826 USID
|
|
|
2827 emacs_mswindows_delete_stream_pair (Lisp_Object instream,
|
|
412
|
2828 Lisp_Object outstream)
|
|
274
|
2829 {
|
|
|
2830 /* Oh nothing special here for Win32 at all */
|
|
|
2831 #if defined (HAVE_UNIX_PROCESSES)
|
|
282
|
2832 int in = (NILP(instream)
|
|
|
2833 ? -1
|
|
|
2834 #if defined(HAVE_SOCKETS) && !defined(HAVE_MSG_SELECT)
|
|
|
2835 : LSTREAM_TYPE_P (XLSTREAM (instream), winsock)
|
|
|
2836 ? get_winsock_stream_param (XLSTREAM (instream))
|
|
|
2837 #endif
|
|
274
|
2838 : get_ntpipe_input_stream_param (XLSTREAM (instream)));
|
|
|
2839 int out = (NILP(outstream) ? -1
|
|
276
|
2840 : filedesc_stream_fd (XLSTREAM (outstream)));
|
|
274
|
2841
|
|
|
2842 if (in >= 0)
|
|
|
2843 close (in);
|
|
|
2844 if (out != in && out >= 0)
|
|
|
2845 close (out);
|
|
|
2846 #endif
|
|
|
2847
|
|
282
|
2848 return (NILP (instream)
|
|
|
2849 ? USID_DONTHASH
|
|
|
2850 #if defined(HAVE_SOCKETS) && !defined(HAVE_MSG_SELECT)
|
|
|
2851 : LSTREAM_TYPE_P (XLSTREAM (instream), winsock)
|
|
|
2852 ? HANDLE_TO_USID (get_winsock_stream_waitable (XLSTREAM (instream)))
|
|
|
2853 #endif
|
|
274
|
2854 : HANDLE_TO_USID (get_ntpipe_input_stream_waitable (XLSTREAM (instream))));
|
|
|
2855 }
|
|
|
2856
|
|
263
|
2857 #ifndef HAVE_X_WINDOWS
|
|
213
|
2858 /* This is called from GC when a process object is about to be freed.
|
|
|
2859 If we've still got pointers to it in this file, we're gonna lose hard.
|
|
|
2860 */
|
|
|
2861 void
|
|
412
|
2862 debug_process_finalization (struct Lisp_Process *p)
|
|
213
|
2863 {
|
|
|
2864 #if 0 /* #### */
|
|
263
|
2865 Lisp_Object instr, outstr;
|
|
|
2866
|
|
|
2867 get_process_streams (p, &instr, &outstr);
|
|
213
|
2868 /* if it still has fds, then it hasn't been killed yet. */
|
|
263
|
2869 assert (NILP(instr));
|
|
|
2870 assert (NILP(outstr));
|
|
|
2871
|
|
|
2872 /* #### More checks here */
|
|
213
|
2873 #endif
|
|
|
2874 }
|
|
263
|
2875 #endif
|
|
213
|
2876
|
|
|
2877 /************************************************************************/
|
|
|
2878 /* initialization */
|
|
|
2879 /************************************************************************/
|
|
412
|
2880
|
|
213
|
2881 void
|
|
412
|
2882 vars_of_event_mswindows (void)
|
|
213
|
2883 {
|
|
412
|
2884 mswindows_u_dispatch_event_queue = Qnil;
|
|
|
2885 staticpro (&mswindows_u_dispatch_event_queue);
|
|
|
2886 mswindows_u_dispatch_event_queue_tail = Qnil;
|
|
|
2887
|
|
|
2888 mswindows_s_dispatch_event_queue = Qnil;
|
|
|
2889 staticpro (&mswindows_s_dispatch_event_queue);
|
|
|
2890 mswindows_s_dispatch_event_queue_tail = Qnil;
|
|
|
2891
|
|
|
2892 mswindows_error_caught_in_modal_loop = Qnil;
|
|
|
2893 staticpro (&mswindows_error_caught_in_modal_loop);
|
|
231
|
2894 mswindows_in_modal_loop = 0;
|
|
227
|
2895 mswindows_pending_timers_count = 0;
|
|
|
2896
|
|
213
|
2897 mswindows_event_stream = xnew (struct event_stream);
|
|
|
2898
|
|
|
2899 mswindows_event_stream->event_pending_p = emacs_mswindows_event_pending_p;
|
|
223
|
2900 mswindows_event_stream->next_event_cb = emacs_mswindows_next_event;
|
|
213
|
2901 mswindows_event_stream->handle_magic_event_cb = emacs_mswindows_handle_magic_event;
|
|
|
2902 mswindows_event_stream->add_timeout_cb = emacs_mswindows_add_timeout;
|
|
|
2903 mswindows_event_stream->remove_timeout_cb = emacs_mswindows_remove_timeout;
|
|
278
|
2904 mswindows_event_stream->quit_p_cb = emacs_mswindows_quit_p;
|
|
213
|
2905 mswindows_event_stream->select_console_cb = emacs_mswindows_select_console;
|
|
223
|
2906 mswindows_event_stream->unselect_console_cb = emacs_mswindows_unselect_console;
|
|
278
|
2907 #ifdef HAVE_MSG_SELECT
|
|
412
|
2908 mswindows_event_stream->select_process_cb =
|
|
|
2909 (void (*)(struct Lisp_Process*))event_stream_unixoid_select_process;
|
|
|
2910 mswindows_event_stream->unselect_process_cb =
|
|
|
2911 (void (*)(struct Lisp_Process*))event_stream_unixoid_unselect_process;
|
|
278
|
2912 mswindows_event_stream->create_stream_pair_cb = event_stream_unixoid_create_stream_pair;
|
|
|
2913 mswindows_event_stream->delete_stream_pair_cb = event_stream_unixoid_delete_stream_pair;
|
|
|
2914 #else
|
|
213
|
2915 mswindows_event_stream->select_process_cb = emacs_mswindows_select_process;
|
|
223
|
2916 mswindows_event_stream->unselect_process_cb = emacs_mswindows_unselect_process;
|
|
274
|
2917 mswindows_event_stream->create_stream_pair_cb = emacs_mswindows_create_stream_pair;
|
|
|
2918 mswindows_event_stream->delete_stream_pair_cb = emacs_mswindows_delete_stream_pair;
|
|
278
|
2919 #endif
|
|
412
|
2920
|
|
|
2921 DEFVAR_BOOL ("mswindows-dynamic-frame-resize", &mswindows_dynamic_frame_resize /*
|
|
223
|
2922 *Controls redrawing frame contents during mouse-drag or keyboard resize
|
|
|
2923 operation. When non-nil, the frame is redrawn while being resized. When
|
|
|
2924 nil, frame is not redrawn, and exposed areas are filled with default
|
|
|
2925 MDI application background color. Note that this option only has effect
|
|
|
2926 if "Show window contents while dragging" is on in system Display/Plus!
|
|
|
2927 settings.
|
|
|
2928 Default is t on fast machines, nil on slow.
|
|
|
2929 */ );
|
|
|
2930
|
|
412
|
2931 /* The description copied verbatim from nt-emacs. (C) Geoff Voelker */
|
|
|
2932 DEFVAR_INT ("mswindows-mouse-button-tolerance", &mswindows_mouse_button_tolerance /*
|
|
223
|
2933 *Analogue of double click interval for faking middle mouse events.
|
|
|
2934 The value is the minimum time in milliseconds that must elapse between
|
|
|
2935 left/right button down events before they are considered distinct events.
|
|
|
2936 If both mouse buttons are depressed within this interval, a middle mouse
|
|
|
2937 button down event is generated instead.
|
|
|
2938 If negative or zero, currently set system default is used instead.
|
|
|
2939 */ );
|
|
|
2940
|
|
412
|
2941 /* The description copied verbatim from nt-emacs. (C) Geoff Voelker */
|
|
225
|
2942 DEFVAR_INT ("mswindows-num-mouse-buttons", &mswindows_num_mouse_buttons /*
|
|
223
|
2943 Number of physical mouse buttons.
|
|
|
2944 */ );
|
|
|
2945
|
|
412
|
2946 DEFVAR_INT ("mswindows-mouse-button-max-skew-x", &mswindows_mouse_button_max_skew_x /*
|
|
223
|
2947 *Maximum horizontal distance in pixels between points in which left and
|
|
380
|
2948 right button clicks occurred for them to be translated into single
|
|
223
|
2949 middle button event. Clicks must occur in time not longer than defined
|
|
272
|
2950 by the variable `mswindows-mouse-button-tolerance'.
|
|
223
|
2951 If negative or zero, currently set system default is used instead.
|
|
|
2952 */ );
|
|
|
2953
|
|
412
|
2954 DEFVAR_INT ("mswindows-mouse-button-max-skew-y", &mswindows_mouse_button_max_skew_y /*
|
|
223
|
2955 *Maximum vertical distance in pixels between points in which left and
|
|
380
|
2956 right button clicks occurred for them to be translated into single
|
|
223
|
2957 middle button event. Clicks must occur in time not longer than defined
|
|
272
|
2958 by the variable `mswindows-mouse-button-tolerance'.
|
|
223
|
2959 If negative or zero, currently set system default is used instead.
|
|
|
2960 */ );
|
|
|
2961
|
|
272
|
2962 mswindows_mouse_button_max_skew_x = 0;
|
|
|
2963 mswindows_mouse_button_max_skew_y = 0;
|
|
|
2964 mswindows_mouse_button_tolerance = 0;
|
|
213
|
2965 }
|
|
|
2966
|
|
|
2967 void
|
|
|
2968 syms_of_event_mswindows (void)
|
|
|
2969 {
|
|
|
2970 }
|
|
|
2971
|
|
|
2972 void
|
|
274
|
2973 lstream_type_create_mswindows_selectable (void)
|
|
|
2974 {
|
|
|
2975 init_slurp_stream ();
|
|
|
2976 init_shove_stream ();
|
|
282
|
2977 #if defined (HAVE_SOCKETS) && !defined(HAVE_MSG_SELECT)
|
|
|
2978 init_winsock_stream ();
|
|
|
2979 #endif
|
|
274
|
2980 }
|
|
|
2981
|
|
|
2982 void
|
|
213
|
2983 init_event_mswindows_late (void)
|
|
|
2984 {
|
|
278
|
2985 #ifdef HAVE_MSG_SELECT
|
|
|
2986 windows_fd = open("/dev/windows", O_RDONLY | O_NONBLOCK, 0);
|
|
|
2987 assert (windows_fd>=0);
|
|
|
2988 FD_SET (windows_fd, &input_wait_mask);
|
|
373
|
2989 FD_ZERO(&zero_mask);
|
|
278
|
2990 #endif
|
|
|
2991
|
|
213
|
2992 event_stream = mswindows_event_stream;
|
|
223
|
2993
|
|
|
2994 mswindows_dynamic_frame_resize = !GetSystemMetrics (SM_SLOWMACHINE);
|
|
|
2995 mswindows_num_mouse_buttons = GetSystemMetrics (SM_CMOUSEBUTTONS);
|
|
213
|
2996 }
|
