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428
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1 /* The mswindows event_stream interface.
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2 Copyright (C) 1991, 1992, 1993, 1994, 1995 Free Software Foundation, Inc.
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3 Copyright (C) 1995 Sun Microsystems, Inc.
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4 Copyright (C) 1996 Ben Wing.
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5 Copyright (C) 1997 Jonathan Harris.
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6
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7 This file is part of XEmacs.
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8
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9 XEmacs is free software; you can redistribute it and/or modify it
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10 under the terms of the GNU General Public License as published by the
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11 Free Software Foundation; either version 2, or (at your option) any
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12 later version.
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13
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14 XEmacs is distributed in the hope that it will be useful, but WITHOUT
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15 ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
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16 FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License
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17 for more details.
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18
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19 You should have received a copy of the GNU General Public License
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20 along with XEmacs; see the file COPYING. If not, write to
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21 the Free Software Foundation, Inc., 59 Temple Place - Suite 330,
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22 Boston, MA 02111-1307, USA. */
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23
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24 /* Synched up with: Not in FSF. */
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25
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26 /* Authorship:
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27
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28 Ultimately based on FSF.
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29 Rewritten by Ben Wing.
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30 Rewritten for mswindows by Jonathan Harris, November 1997 for 21.0.
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31 Subprocess and modal loop support by Kirill M. Katsnelson.
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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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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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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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51 #include "device.h"
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52 #include "events.h"
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53 #include "frame.h"
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54 #include "buffer.h"
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55 #include "faces.h"
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56 #include "lstream.h"
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57 #include "process.h"
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58 #include "redisplay.h"
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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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62 #include "sysdep.h"
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63 #include "objects-msw.h"
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64
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65 #include "events-mod.h"
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66 #ifdef HAVE_MSG_SELECT
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67 #include "sysfile.h"
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68 #include "console-tty.h"
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69 #elif defined(__CYGWIN32__)
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70 typedef unsigned int SOCKET;
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71 #endif
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72 #include <io.h>
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73 #include <errno.h>
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74
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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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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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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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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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101 static Lisp_Object mswindows_key_to_emacs_keysym (int mswindows_key, int mods,
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102 int extendedp);
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103 static int mswindows_modifier_state (BYTE* keymap, int has_AltGr);
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104 static void mswindows_set_chord_timer (HWND hwnd);
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105 static int mswindows_button2_near_enough (POINTS p1, POINTS p2);
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106 static int mswindows_current_layout_has_AltGr (void);
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107
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108 static struct event_stream *mswindows_event_stream;
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109
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110 #ifdef HAVE_MSG_SELECT
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111 extern SELECT_TYPE input_wait_mask, non_fake_input_wait_mask;
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112 extern SELECT_TYPE process_only_mask, tty_only_mask;
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113 SELECT_TYPE zero_mask;
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114 extern int signal_event_pipe_initialized;
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115 int windows_fd;
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116 #endif
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117
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118 /*
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119 * Two separate queues, for efficiency, one (_u_) for user events, and
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120 * another (_s_) for non-user ones. We always return events out of the
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121 * first one until it is empty and only then proceed with the second
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122 * one.
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123 */
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124 static Lisp_Object mswindows_u_dispatch_event_queue, mswindows_u_dispatch_event_queue_tail;
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125 static Lisp_Object mswindows_s_dispatch_event_queue, mswindows_s_dispatch_event_queue_tail;
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126
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127 /* The number of things we can wait on */
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128 #define MAX_WAITABLE (MAXIMUM_WAIT_OBJECTS - 1)
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129
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130 #ifndef HAVE_MSG_SELECT
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131 /* List of mswindows waitable handles. */
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132 static HANDLE mswindows_waitable_handles[MAX_WAITABLE];
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133
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134 /* Number of wait handles */
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135 static int mswindows_waitable_count=0;
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136 #endif /* HAVE_MSG_SELECT */
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137 /* Brush for painting widgets */
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138 static HBRUSH widget_brush = 0;
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139 static LONG last_widget_brushed = 0;
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140
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141 /* Count of quit chars currently in the queue */
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142 /* Incremented in WM_[SYS]KEYDOWN handler in the mswindows_wnd_proc()
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143 Decremented in mswindows_dequeue_dispatch_event() */
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144 int mswindows_quit_chars_count = 0;
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145
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146 /* These are Lisp integers; see DEFVARS in this file for description. */
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147 int mswindows_dynamic_frame_resize;
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148 int mswindows_meta_activates_menu;
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149 int mswindows_num_mouse_buttons;
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150 int mswindows_mouse_button_max_skew_x;
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151 int mswindows_mouse_button_max_skew_y;
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152 int mswindows_mouse_button_tolerance;
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153
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154 /* This is the event signaled by the event pump.
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155 See mswindows_pump_outstanding_events for comments */
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156 static Lisp_Object mswindows_error_caught_in_modal_loop;
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157 static int mswindows_in_modal_loop;
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158
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159 /* Count of wound timers */
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160 static int mswindows_pending_timers_count;
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161
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162 /************************************************************************/
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163 /* Pipe instream - reads process output */
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164 /************************************************************************/
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165
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166 #define PIPE_READ_DELAY 20
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167
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168 #define HANDLE_TO_USID(h) ((USID)(h))
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169
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170 #define NTPIPE_SLURP_STREAM_DATA(stream) \
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171 LSTREAM_TYPE_DATA (stream, ntpipe_slurp)
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172
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173 /* This structure is allocated by the main thread, and is deallocated
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174 in the thread upon exit. There are situations when a thread
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175 remains blocked for a long time, much longer than the lstream
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176 exists. For example, "start notepad" command is issued from the
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177 shell, then the shell is closed by C-c C-d. Although the shell
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178 process exits, its output pipe will not get closed until the
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179 notepad process exits also, because it inherits the pipe form the
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180 shell. In this case, we abandon the thread, and let it live until
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181 all such processes exit. While struct ntpipe_slurp_stream is
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182 deallocated in this case, ntpipe_slurp_stream_shared_data are not. */
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183
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184 struct ntpipe_slurp_stream_shared_data
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185 {
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186 HANDLE hev_thread; /* Our thread blocks on this, signaled by caller */
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187 /* This is a manual-reset object. */
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188 HANDLE hev_caller; /* Caller blocks on this, and we signal it */
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189 /* This is a manual-reset object. */
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190 HANDLE hev_unsleep; /* Pipe read delay is canceled if this is set */
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191 /* This is a manual-reset object. */
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192 HANDLE hpipe; /* Pipe read end handle. */
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193 LONG die_p; /* Thread must exit ASAP if non-zero */
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194 BOOL eof_p : 1; /* Set when thread saw EOF */
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195 BOOL error_p : 1; /* Read error other than EOF/broken pipe */
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196 BOOL inuse_p : 1; /* this structure is in use */
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197 LONG lock_count; /* Client count of this struct, 0=safe to free */
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198 BYTE onebyte; /* One byte buffer read by thread */
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199 };
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200
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201 #define MAX_SLURP_STREAMS 32
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202 struct ntpipe_slurp_stream_shared_data
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203 shared_data_block[MAX_SLURP_STREAMS]={{0}};
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204
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205 struct ntpipe_slurp_stream
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206 {
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207 LPARAM user_data; /* Any user data stored in the stream object */
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208 struct ntpipe_slurp_stream_shared_data* thread_data;
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209 };
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210
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211 DEFINE_LSTREAM_IMPLEMENTATION ("ntpipe-input", lstream_ntpipe_slurp,
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212 sizeof (struct ntpipe_slurp_stream));
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213
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214 /* This function is thread-safe, and is called from either thread
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215 context. It serializes freeing shared data structure */
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216 static void
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217 slurper_free_shared_data_maybe (struct ntpipe_slurp_stream_shared_data* s)
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218 {
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219 if (InterlockedDecrement (&s->lock_count) == 0)
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220 {
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221 /* Destroy events */
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222 CloseHandle (s->hev_thread);
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223 CloseHandle (s->hev_caller);
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224 CloseHandle (s->hev_unsleep);
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225 s->inuse_p = 0;
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226 }
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227 }
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228
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229 static struct ntpipe_slurp_stream_shared_data*
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230 slurper_allocate_shared_data()
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231 {
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232 int i=0;
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233 for (i=0; i<MAX_SLURP_STREAMS; i++)
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234 {
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235 if (!shared_data_block[i].inuse_p)
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236 {
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237 shared_data_block[i].inuse_p=1;
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238 return &shared_data_block[i];
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239 }
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240 }
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241 return (struct ntpipe_slurp_stream_shared_data*)0;
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242 }
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243
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244 static DWORD WINAPI
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245 slurp_thread (LPVOID vparam)
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246 {
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247 struct ntpipe_slurp_stream_shared_data *s =
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248 (struct ntpipe_slurp_stream_shared_data*)vparam;
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249
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250 for (;;)
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251 {
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252 /* Read one byte from the pipe */
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253 DWORD actually_read;
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254 if (!ReadFile (s->hpipe, &s->onebyte, 1, &actually_read, NULL))
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255 {
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256 DWORD err = GetLastError ();
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257 if (err == ERROR_BROKEN_PIPE || err == ERROR_NO_DATA)
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258 s->eof_p = TRUE;
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259 else
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260 s->error_p = TRUE;
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261 }
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262 else if (actually_read == 0)
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263 s->eof_p = TRUE;
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264
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265 /* We must terminate on an error or eof */
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266 if (s->eof_p || s->error_p)
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267 InterlockedIncrement (&s->die_p);
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268
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269 /* Before we notify caller, we unsignal our event. */
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270 ResetEvent (s->hev_thread);
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271
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272 /* Now we got something to notify caller, either a byte or an
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273 error/eof indication. Before we do, allow internal pipe
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274 buffer to accumulate little bit more data.
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275 Reader function pulses this event before waiting for
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276 a character, to avoid pipe delay, and to get the byte
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277 immediately. */
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278 if (!s->die_p)
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279 WaitForSingleObject (s->hev_unsleep, PIPE_READ_DELAY);
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280
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281 /* Either make event loop generate a process event, or
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282 inblock reader */
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283 SetEvent (s->hev_caller);
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284
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285 /* Cleanup and exit if we're shot off */
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286 if (s->die_p)
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287 break;
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288
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289 /* Block until the client finishes with retrieving the rest of
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290 pipe data */
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291 WaitForSingleObject (s->hev_thread, INFINITE);
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292 }
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293
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294 slurper_free_shared_data_maybe (s);
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295
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296 return 0;
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297 }
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298
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299 static Lisp_Object
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300 make_ntpipe_input_stream (HANDLE hpipe, LPARAM param)
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301 {
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302 Lisp_Object obj;
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303 Lstream *lstr = Lstream_new (lstream_ntpipe_slurp, "r");
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304 struct ntpipe_slurp_stream* s = NTPIPE_SLURP_STREAM_DATA (lstr);
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305 DWORD thread_id_unused;
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306 HANDLE hthread;
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307
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308 /* We deal only with pipes, for we're using PeekNamedPipe api */
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309 assert (GetFileType (hpipe) == FILE_TYPE_PIPE);
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310
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311 s->thread_data = slurper_allocate_shared_data();
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312
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313 /* Create reader thread. This could fail, so do not create events
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314 until thread is created */
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315 hthread = CreateThread (NULL, 0, slurp_thread, (LPVOID)s->thread_data,
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316 CREATE_SUSPENDED, &thread_id_unused);
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317 if (hthread == NULL)
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318 {
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319 Lstream_delete (lstr);
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320 s->thread_data->inuse_p=0;
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321 return Qnil;
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322 }
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323
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324 /* Shared data are initially owned by both main and slurper
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325 threads. */
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326 s->thread_data->lock_count = 2;
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327 s->thread_data->die_p = 0;
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328 s->thread_data->eof_p = FALSE;
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329 s->thread_data->error_p = FALSE;
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330 s->thread_data->hpipe = hpipe;
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331 s->user_data = param;
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332
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333 /* hev_thread is a manual-reset event, initially signaled */
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334 s->thread_data->hev_thread = CreateEvent (NULL, TRUE, TRUE, NULL);
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335 /* hev_caller is a manual-reset event, initially nonsignaled */
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336 s->thread_data->hev_caller = CreateEvent (NULL, TRUE, FALSE, NULL);
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337 /* hev_unsleep is a manual-reset event, initially nonsignaled */
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338 s->thread_data->hev_unsleep = CreateEvent (NULL, TRUE, FALSE, NULL);
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339
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340 /* Now let it go */
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341 ResumeThread (hthread);
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342 CloseHandle (hthread);
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343
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344 lstr->flags |= LSTREAM_FL_CLOSE_AT_DISKSAVE;
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345 XSETLSTREAM (obj, lstr);
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346 return obj;
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347 }
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348
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349 static LPARAM
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350 get_ntpipe_input_stream_param (Lstream *stream)
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351 {
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352 struct ntpipe_slurp_stream* s = NTPIPE_SLURP_STREAM_DATA(stream);
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353 return s->user_data;
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354 }
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355
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356 static HANDLE
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357 get_ntpipe_input_stream_waitable (Lstream *stream)
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358 {
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359 struct ntpipe_slurp_stream* s = NTPIPE_SLURP_STREAM_DATA(stream);
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360 return s->thread_data->hev_caller;
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361 }
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362
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363 static ssize_t
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364 ntpipe_slurp_reader (Lstream *stream, unsigned char *data, size_t size)
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365 {
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366 /* This function must be called from the main thread only */
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367 struct ntpipe_slurp_stream_shared_data* s =
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368 NTPIPE_SLURP_STREAM_DATA(stream)->thread_data;
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369
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370 if (!s->die_p)
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371 {
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372 DWORD wait_result;
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373 /* Disallow pipe read delay for the thread: we need a character
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374 ASAP */
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375 SetEvent (s->hev_unsleep);
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376
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377 /* Check if we have a character ready. Give it a short delay,
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378 for the thread to awake from pipe delay, just ion case*/
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379 wait_result = WaitForSingleObject (s->hev_caller, 2);
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380
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381 /* Revert to the normal sleep behavior. */
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382 ResetEvent (s->hev_unsleep);
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383
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384 /* If there's no byte buffered yet, give up */
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385 if (wait_result == WAIT_TIMEOUT)
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386 {
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387 errno = EAGAIN;
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388 return -1;
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389 }
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390 }
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391
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|
|
392 /* Reset caller unlock event now, as we've handled the pending
|
|
|
393 process output event */
|
|
|
394 ResetEvent (s->hev_caller);
|
|
|
395
|
|
|
396 /* It is now safe to do anything with contents of S, except for
|
|
|
397 changing s->die_p, which still should be interlocked */
|
|
|
398
|
|
|
399 if (s->eof_p)
|
|
|
400 return 0;
|
|
|
401 if (s->error_p || s->die_p)
|
|
|
402 return -1;
|
|
|
403
|
|
|
404 /* Ok, there were no error neither eof - we've got a byte from the
|
|
|
405 pipe */
|
|
|
406 *(data++) = s->onebyte;
|
|
|
407 --size;
|
|
|
408
|
|
|
409 {
|
|
|
410 DWORD bytes_read = 0;
|
|
|
411 if (size > 0)
|
|
|
412 {
|
|
|
413 DWORD bytes_available;
|
|
|
414
|
|
|
415 /* If the api call fails, return at least one byte already
|
|
|
416 read. ReadFile in thread will return error */
|
|
|
417 if (PeekNamedPipe (s->hpipe, NULL, 0, NULL, &bytes_available, NULL))
|
|
|
418 {
|
|
|
419
|
|
|
420 /* Fetch available bytes. The same consideration applies,
|
|
|
421 so do not check for errors. ReadFile in the thread will
|
|
|
422 fail if the next call fails. */
|
|
|
423 if (bytes_available)
|
|
|
424 ReadFile (s->hpipe, data, min (bytes_available, size),
|
|
|
425 &bytes_read, NULL);
|
|
|
426 }
|
|
|
427
|
|
|
428 /* Now we can unblock thread, so it attempts to read more */
|
|
|
429 SetEvent (s->hev_thread);
|
|
|
430 return bytes_read + 1;
|
|
|
431 }
|
|
|
432 }
|
|
|
433 return 0;
|
|
|
434 }
|
|
|
435
|
|
|
436 static int
|
|
|
437 ntpipe_slurp_closer (Lstream *stream)
|
|
|
438 {
|
|
|
439 /* This function must be called from the main thread only */
|
|
|
440 struct ntpipe_slurp_stream_shared_data* s =
|
|
|
441 NTPIPE_SLURP_STREAM_DATA(stream)->thread_data;
|
|
|
442
|
|
|
443 /* Force thread to stop */
|
|
|
444 InterlockedIncrement (&s->die_p);
|
|
|
445
|
|
|
446 /* Set events which could possibly block slurper. Let it finish soon
|
|
|
447 or later. */
|
|
|
448 SetEvent (s->hev_unsleep);
|
|
|
449 SetEvent (s->hev_thread);
|
|
|
450
|
|
|
451 /* Unlock and maybe free shared data */
|
|
|
452 slurper_free_shared_data_maybe (s);
|
|
|
453
|
|
|
454 return 0;
|
|
|
455 }
|
|
|
456
|
|
|
457 static void
|
|
|
458 init_slurp_stream (void)
|
|
|
459 {
|
|
|
460 LSTREAM_HAS_METHOD (ntpipe_slurp, reader);
|
|
|
461 LSTREAM_HAS_METHOD (ntpipe_slurp, closer);
|
|
|
462 }
|
|
|
463
|
|
|
464 /************************************************************************/
|
|
|
465 /* Pipe outstream - writes process input */
|
|
|
466 /************************************************************************/
|
|
|
467
|
|
|
468 #define NTPIPE_SHOVE_STREAM_DATA(stream) \
|
|
|
469 LSTREAM_TYPE_DATA (stream, ntpipe_shove)
|
|
|
470
|
|
|
471 #define MAX_SHOVE_BUFFER_SIZE 128
|
|
|
472
|
|
|
473 struct ntpipe_shove_stream
|
|
|
474 {
|
|
|
475 LPARAM user_data; /* Any user data stored in the stream object */
|
|
|
476 HANDLE hev_thread; /* Our thread blocks on this, signaled by caller */
|
|
|
477 /* This is an auto-reset object. */
|
|
|
478 HANDLE hpipe; /* Pipe write end handle. */
|
|
|
479 HANDLE hthread; /* Reader thread handle. */
|
|
|
480 char buffer[MAX_SHOVE_BUFFER_SIZE]; /* Buffer being written */
|
|
|
481 DWORD size; /* Number of bytes to write */
|
|
|
482 LONG die_p; /* Thread must exit ASAP if non-zero */
|
|
|
483 LONG idle_p; /* Non-zero if thread is waiting for job */
|
|
|
484 BOOL error_p : 1; /* Read error other than EOF/broken pipe */
|
|
|
485 BOOL blocking_p : 1;/* Last write attempt would cause blocking */
|
|
|
486 };
|
|
|
487
|
|
|
488 DEFINE_LSTREAM_IMPLEMENTATION ("ntpipe-output", lstream_ntpipe_shove,
|
|
|
489 sizeof (struct ntpipe_shove_stream));
|
|
|
490
|
|
|
491 #ifndef HAVE_MSG_SELECT
|
|
|
492 static DWORD WINAPI
|
|
|
493 shove_thread (LPVOID vparam)
|
|
|
494 {
|
|
|
495 struct ntpipe_shove_stream *s = (struct ntpipe_shove_stream*) vparam;
|
|
|
496
|
|
|
497 for (;;)
|
|
|
498 {
|
|
|
499 DWORD bytes_written;
|
|
|
500
|
|
|
501 /* Block on event and wait for a job */
|
|
|
502 InterlockedIncrement (&s->idle_p);
|
|
|
503 WaitForSingleObject (s->hev_thread, INFINITE);
|
|
|
504
|
|
|
505 if (s->die_p)
|
|
|
506 break;
|
|
|
507
|
|
|
508 /* Write passed buffer */
|
|
|
509 if (!WriteFile (s->hpipe, s->buffer, s->size, &bytes_written, NULL)
|
|
|
510 || bytes_written != s->size)
|
|
|
511 {
|
|
|
512 s->error_p = TRUE;
|
|
|
513 InterlockedIncrement (&s->die_p);
|
|
|
514 }
|
|
|
515
|
|
|
516 if (s->die_p)
|
|
|
517 break;
|
|
|
518 }
|
|
|
519
|
|
|
520 return 0;
|
|
|
521 }
|
|
|
522
|
|
|
523 static Lisp_Object
|
|
|
524 make_ntpipe_output_stream (HANDLE hpipe, LPARAM param)
|
|
|
525 {
|
|
|
526 Lisp_Object obj;
|
|
|
527 Lstream *lstr = Lstream_new (lstream_ntpipe_shove, "w");
|
|
|
528 struct ntpipe_shove_stream* s = NTPIPE_SHOVE_STREAM_DATA (lstr);
|
|
|
529 DWORD thread_id_unused;
|
|
|
530
|
|
|
531 s->die_p = 0;
|
|
|
532 s->error_p = FALSE;
|
|
|
533 s->hpipe = hpipe;
|
|
|
534 s->user_data = param;
|
|
|
535
|
|
|
536 /* Create reader thread. This could fail, so do not
|
|
|
537 create the event until thread is created */
|
|
|
538 s->hthread = CreateThread (NULL, 0, shove_thread, (LPVOID)s,
|
|
|
539 CREATE_SUSPENDED, &thread_id_unused);
|
|
|
540 if (s->hthread == NULL)
|
|
|
541 {
|
|
|
542 Lstream_delete (lstr);
|
|
|
543 return Qnil;
|
|
|
544 }
|
|
|
545
|
|
|
546 /* hev_thread is an auto-reset event, initially nonsignaled */
|
|
|
547 s->hev_thread = CreateEvent (NULL, FALSE, FALSE, NULL);
|
|
|
548
|
|
|
549 /* Now let it go */
|
|
|
550 ResumeThread (s->hthread);
|
|
|
551
|
|
|
552 lstr->flags |= LSTREAM_FL_CLOSE_AT_DISKSAVE;
|
|
|
553 XSETLSTREAM (obj, lstr);
|
|
|
554 return obj;
|
|
|
555 }
|
|
|
556
|
|
|
557 static LPARAM
|
|
|
558 get_ntpipe_output_stream_param (Lstream *stream)
|
|
|
559 {
|
|
|
560 struct ntpipe_shove_stream* s = NTPIPE_SHOVE_STREAM_DATA(stream);
|
|
|
561 return s->user_data;
|
|
|
562 }
|
|
|
563 #endif
|
|
|
564
|
|
|
565 static ssize_t
|
|
|
566 ntpipe_shove_writer (Lstream *stream, const unsigned char *data, size_t size)
|
|
|
567 {
|
|
|
568 struct ntpipe_shove_stream* s = NTPIPE_SHOVE_STREAM_DATA(stream);
|
|
|
569
|
|
|
570 if (s->error_p)
|
|
|
571 return -1;
|
|
|
572
|
|
|
573 s->blocking_p = !s->idle_p;
|
|
|
574 if (s->blocking_p)
|
|
|
575 return 0;
|
|
|
576
|
|
|
577 if (size>MAX_SHOVE_BUFFER_SIZE)
|
|
|
578 return 0;
|
|
|
579
|
|
|
580 memcpy (s->buffer, data, size);
|
|
|
581 s->size = size;
|
|
|
582
|
|
|
583 /* Start output */
|
|
|
584 InterlockedDecrement (&s->idle_p);
|
|
|
585 SetEvent (s->hev_thread);
|
|
|
586 return size;
|
|
|
587 }
|
|
|
588
|
|
|
589 static int
|
|
|
590 ntpipe_shove_was_blocked_p (Lstream *stream)
|
|
|
591 {
|
|
|
592 struct ntpipe_shove_stream* s = NTPIPE_SHOVE_STREAM_DATA(stream);
|
|
|
593 return s->blocking_p;
|
|
|
594 }
|
|
|
595
|
|
|
596 static int
|
|
|
597 ntpipe_shove_closer (Lstream *stream)
|
|
|
598 {
|
|
|
599 struct ntpipe_shove_stream* s = NTPIPE_SHOVE_STREAM_DATA(stream);
|
|
|
600
|
|
|
601 /* Force thread stop */
|
|
|
602 InterlockedIncrement (&s->die_p);
|
|
|
603
|
|
|
604 /* Close pipe handle, possibly breaking it */
|
|
|
605 CloseHandle (s->hpipe);
|
|
|
606
|
|
|
607 /* Thread will end upon unblocking */
|
|
|
608 SetEvent (s->hev_thread);
|
|
|
609
|
|
|
610 /* Wait while thread terminates */
|
|
|
611 WaitForSingleObject (s->hthread, INFINITE);
|
|
|
612 CloseHandle (s->hthread);
|
|
|
613
|
|
|
614 /* Destroy the event */
|
|
|
615 CloseHandle (s->hev_thread);
|
|
|
616
|
|
|
617 return 0;
|
|
|
618 }
|
|
|
619
|
|
|
620 static void
|
|
|
621 init_shove_stream (void)
|
|
|
622 {
|
|
|
623 LSTREAM_HAS_METHOD (ntpipe_shove, writer);
|
|
|
624 LSTREAM_HAS_METHOD (ntpipe_shove, was_blocked_p);
|
|
|
625 LSTREAM_HAS_METHOD (ntpipe_shove, closer);
|
|
|
626 }
|
|
|
627
|
|
|
628 /************************************************************************/
|
|
|
629 /* Winsock I/O stream */
|
|
|
630 /************************************************************************/
|
|
|
631 #if defined (HAVE_SOCKETS) && !defined(HAVE_MSG_SELECT)
|
|
|
632
|
|
|
633 #define WINSOCK_READ_BUFFER_SIZE 1024
|
|
|
634
|
|
|
635 struct winsock_stream
|
|
|
636 {
|
|
|
637 LPARAM user_data; /* Any user data stored in the stream object */
|
|
|
638 SOCKET s; /* Socket handle (which is a Win32 handle) */
|
|
|
639 OVERLAPPED ov; /* Overlapped I/O structure */
|
|
|
640 void* buffer; /* Buffer. Allocated for input stream only */
|
|
|
641 unsigned int bufsize; /* Number of bytes last read */
|
|
|
642 unsigned int bufpos; /* Position in buffer for next fetch */
|
|
|
643 unsigned int error_p :1; /* I/O Error seen */
|
|
|
644 unsigned int eof_p :1; /* EOF Error seen */
|
|
|
645 unsigned int pending_p :1; /* There is a pending I/O operation */
|
|
|
646 unsigned int blocking_p :1; /* Last write attempt would block */
|
|
|
647 };
|
|
|
648
|
|
|
649 #define WINSOCK_STREAM_DATA(stream) LSTREAM_TYPE_DATA (stream, winsock)
|
|
|
650
|
|
|
651 DEFINE_LSTREAM_IMPLEMENTATION ("winsock", lstream_winsock,
|
|
|
652 sizeof (struct winsock_stream));
|
|
|
653
|
|
|
654 static void
|
|
|
655 winsock_initiate_read (struct winsock_stream *str)
|
|
|
656 {
|
|
|
657 ResetEvent (str->ov.hEvent);
|
|
|
658 str->bufpos = 0;
|
|
|
659
|
|
|
660 if (!ReadFile ((HANDLE)str->s, str->buffer, WINSOCK_READ_BUFFER_SIZE,
|
|
|
661 &str->bufsize, &str->ov))
|
|
|
662 {
|
|
|
663 if (GetLastError () == ERROR_IO_PENDING)
|
|
|
664 str->pending_p = 1;
|
|
|
665 else if (GetLastError () == ERROR_HANDLE_EOF)
|
|
|
666 str->eof_p = 1;
|
|
|
667 else
|
|
|
668 str->error_p = 1;
|
|
|
669 }
|
|
|
670 else if (str->bufsize == 0)
|
|
|
671 str->eof_p = 1;
|
|
|
672 }
|
|
|
673
|
|
|
674 static ssize_t
|
|
|
675 winsock_reader (Lstream *stream, unsigned char *data, size_t size)
|
|
|
676 {
|
|
|
677 struct winsock_stream *str = WINSOCK_STREAM_DATA (stream);
|
|
|
678
|
|
|
679 /* If the current operation is not yet complete, there's nothing to
|
|
|
680 give back */
|
|
|
681 if (str->pending_p)
|
|
|
682 {
|
|
|
683 if (WaitForSingleObject (str->ov.hEvent, 0) == WAIT_TIMEOUT)
|
|
|
684 {
|
|
|
685 errno = EAGAIN;
|
|
|
686 return -1;
|
|
|
687 }
|
|
|
688 else
|
|
|
689 {
|
|
|
690 if (!GetOverlappedResult ((HANDLE)str->s, &str->ov, &str->bufsize, TRUE))
|
|
|
691 {
|
|
|
692 if (GetLastError() == ERROR_HANDLE_EOF)
|
|
|
693 str->bufsize = 0;
|
|
|
694 else
|
|
|
695 str->error_p = 1;
|
|
|
696 }
|
|
|
697 if (str->bufsize == 0)
|
|
|
698 str->eof_p = 1;
|
|
|
699 str->pending_p = 0;
|
|
|
700 }
|
|
|
701 }
|
|
|
702
|
|
|
703 if (str->eof_p)
|
|
|
704 return 0;
|
|
|
705 if (str->error_p)
|
|
|
706 return -1;
|
|
|
707
|
|
|
708 /* Return as much of buffer as we have */
|
|
|
709 size = min (size, (size_t) (str->bufsize - str->bufpos));
|
|
|
710 memcpy (data, (void*)((BYTE*)str->buffer + str->bufpos), size);
|
|
|
711 str->bufpos += size;
|
|
|
712
|
|
|
713 /* Read more if buffer is exhausted */
|
|
|
714 if (str->bufsize == str->bufpos)
|
|
|
715 winsock_initiate_read (str);
|
|
|
716
|
|
|
717 return size;
|
|
|
718 }
|
|
|
719
|
|
|
720 static ssize_t
|
|
|
721 winsock_writer (Lstream *stream, CONST unsigned char *data, size_t size)
|
|
|
722 {
|
|
|
723 struct winsock_stream *str = WINSOCK_STREAM_DATA (stream);
|
|
|
724
|
|
|
725 if (str->pending_p)
|
|
|
726 {
|
|
|
727 if (WaitForSingleObject (str->ov.hEvent, 0) == WAIT_TIMEOUT)
|
|
|
728 {
|
|
|
729 str->blocking_p = 1;
|
|
|
730 return -1;
|
|
|
731 }
|
|
|
732 else
|
|
|
733 {
|
|
|
734 DWORD dw_unused;
|
|
|
735 if (!GetOverlappedResult ((HANDLE)str->s, &str->ov, &dw_unused, TRUE))
|
|
|
736 str->error_p = 1;
|
|
|
737 str->pending_p = 0;
|
|
|
738 }
|
|
|
739 }
|
|
|
740
|
|
|
741 str->blocking_p = 0;
|
|
|
742
|
|
|
743 if (str->error_p)
|
|
|
744 return -1;
|
|
|
745
|
|
|
746 if (size == 0)
|
|
|
747 return 0;
|
|
|
748
|
|
|
749 {
|
|
|
750 ResetEvent (str->ov.hEvent);
|
|
|
751
|
|
|
752 /* Docs indicate that 4th parameter to WriteFile can be NULL since this is
|
|
|
753 * an overlapped operation. This fails on Win95 with winsock 1.x so we
|
|
|
754 * supply a spare address which is ignored by Win95 anyway. Sheesh. */
|
|
|
755 if (WriteFile ((HANDLE)str->s, data, size, (LPDWORD)&str->buffer, &str->ov)
|
|
|
756 || GetLastError() == ERROR_IO_PENDING)
|
|
|
757 str->pending_p = 1;
|
|
|
758 else
|
|
|
759 str->error_p = 1;
|
|
|
760 }
|
|
|
761
|
|
|
762 return str->error_p ? -1 : size;
|
|
|
763 }
|
|
|
764
|
|
|
765 static int
|
|
|
766 winsock_closer (Lstream *lstr)
|
|
|
767 {
|
|
|
768 struct winsock_stream *str = WINSOCK_STREAM_DATA (lstr);
|
|
|
769
|
|
|
770 if (lstr->flags & LSTREAM_FL_READ)
|
|
|
771 shutdown (str->s, 0);
|
|
|
772 else
|
|
|
773 shutdown (str->s, 1);
|
|
|
774
|
|
|
775 CloseHandle ((HANDLE)str->s);
|
|
|
776 if (str->pending_p)
|
|
|
777 WaitForSingleObject (str->ov.hEvent, INFINITE);
|
|
|
778
|
|
|
779 if (lstr->flags & LSTREAM_FL_READ)
|
|
|
780 xfree (str->buffer);
|
|
|
781
|
|
|
782 CloseHandle (str->ov.hEvent);
|
|
|
783 return 0;
|
|
|
784 }
|
|
|
785
|
|
|
786 static int
|
|
|
787 winsock_was_blocked_p (Lstream *stream)
|
|
|
788 {
|
|
|
789 struct winsock_stream *str = WINSOCK_STREAM_DATA (stream);
|
|
|
790 return str->blocking_p;
|
|
|
791 }
|
|
|
792
|
|
|
793 static Lisp_Object
|
|
|
794 make_winsock_stream_1 (SOCKET s, LPARAM param, CONST char *mode)
|
|
|
795 {
|
|
|
796 Lisp_Object obj;
|
|
|
797 Lstream *lstr = Lstream_new (lstream_winsock, mode);
|
|
|
798 struct winsock_stream *str = WINSOCK_STREAM_DATA (lstr);
|
|
|
799
|
|
|
800 str->s = s;
|
|
|
801 str->blocking_p = 0;
|
|
|
802 str->error_p = 0;
|
|
|
803 str->eof_p = 0;
|
|
|
804 str->pending_p = 0;
|
|
|
805 str->user_data = param;
|
|
|
806
|
|
|
807 xzero (str->ov);
|
|
|
808 str->ov.hEvent = CreateEvent (NULL, TRUE, FALSE, NULL);
|
|
|
809
|
|
|
810 if (lstr->flags & LSTREAM_FL_READ)
|
|
|
811 {
|
|
|
812 str->buffer = xmalloc (WINSOCK_READ_BUFFER_SIZE);
|
|
|
813 winsock_initiate_read (str);
|
|
|
814 }
|
|
|
815
|
|
|
816 lstr->flags |= LSTREAM_FL_CLOSE_AT_DISKSAVE;
|
|
|
817 XSETLSTREAM (obj, lstr);
|
|
|
818 return obj;
|
|
|
819 }
|
|
|
820
|
|
|
821 static Lisp_Object
|
|
|
822 make_winsock_input_stream (SOCKET s, LPARAM param)
|
|
|
823 {
|
|
|
824 return make_winsock_stream_1 (s, param, "r");
|
|
|
825 }
|
|
|
826
|
|
|
827 static Lisp_Object
|
|
|
828 make_winsock_output_stream (SOCKET s, LPARAM param)
|
|
|
829 {
|
|
|
830 return make_winsock_stream_1 (s, param, "w");
|
|
|
831 }
|
|
|
832
|
|
|
833 static HANDLE
|
|
|
834 get_winsock_stream_waitable (Lstream *lstr)
|
|
|
835 {
|
|
|
836 struct winsock_stream *str = WINSOCK_STREAM_DATA (lstr);
|
|
|
837 return str->ov.hEvent;
|
|
|
838 }
|
|
|
839
|
|
|
840 static LPARAM
|
|
|
841 get_winsock_stream_param (Lstream *lstr)
|
|
|
842 {
|
|
|
843 struct winsock_stream *str = WINSOCK_STREAM_DATA (lstr);
|
|
|
844 return str->user_data;
|
|
|
845 }
|
|
|
846
|
|
|
847 static void
|
|
|
848 init_winsock_stream (void)
|
|
|
849 {
|
|
|
850 LSTREAM_HAS_METHOD (winsock, reader);
|
|
|
851 LSTREAM_HAS_METHOD (winsock, writer);
|
|
|
852 LSTREAM_HAS_METHOD (winsock, closer);
|
|
|
853 LSTREAM_HAS_METHOD (winsock, was_blocked_p);
|
|
|
854 }
|
|
|
855 #endif /* defined (HAVE_SOCKETS) */
|
|
|
856
|
|
|
857 /************************************************************************/
|
|
|
858 /* Dispatch queue management */
|
|
|
859 /************************************************************************/
|
|
|
860
|
|
|
861 static int
|
|
|
862 mswindows_user_event_p (struct Lisp_Event* sevt)
|
|
|
863 {
|
|
|
864 return (sevt->event_type == key_press_event
|
|
|
865 || sevt->event_type == button_press_event
|
|
|
866 || sevt->event_type == button_release_event
|
|
|
867 || sevt->event_type == misc_user_event);
|
|
|
868 }
|
|
|
869
|
|
|
870 /*
|
|
|
871 * Add an emacs event to the proper dispatch queue
|
|
|
872 */
|
|
|
873 static void
|
|
|
874 mswindows_enqueue_dispatch_event (Lisp_Object event)
|
|
|
875 {
|
|
|
876 int user_p = mswindows_user_event_p (XEVENT(event));
|
|
|
877 enqueue_event (event,
|
|
|
878 user_p ? &mswindows_u_dispatch_event_queue :
|
|
|
879 &mswindows_s_dispatch_event_queue,
|
|
|
880 user_p ? &mswindows_u_dispatch_event_queue_tail :
|
|
|
881 &mswindows_s_dispatch_event_queue_tail);
|
|
|
882
|
|
|
883 /* Avoid blocking on WaitMessage */
|
|
|
884 PostMessage (NULL, XM_BUMPQUEUE, 0, 0);
|
|
|
885 }
|
|
|
886
|
|
|
887 /*
|
|
|
888 * Add a misc-user event to the dispatch queue.
|
|
|
889 *
|
|
|
890 * Stuff it into our own dispatch queue, so we have something
|
|
|
891 * to return from next_event callback.
|
|
|
892 */
|
|
|
893 void
|
|
|
894 mswindows_enqueue_misc_user_event (Lisp_Object channel, Lisp_Object function,
|
|
|
895 Lisp_Object object)
|
|
|
896 {
|
|
|
897 Lisp_Object event = Fmake_event (Qnil, Qnil);
|
|
|
898 struct Lisp_Event* e = XEVENT (event);
|
|
|
899
|
|
|
900 e->event_type = misc_user_event;
|
|
|
901 e->channel = channel;
|
|
|
902 e->event.misc.function = function;
|
|
|
903 e->event.misc.object = object;
|
|
|
904
|
|
|
905 mswindows_enqueue_dispatch_event (event);
|
|
|
906 }
|
|
|
907
|
|
|
908 void
|
|
|
909 mswindows_enqueue_magic_event (HWND hwnd, UINT message)
|
|
|
910 {
|
|
|
911 Lisp_Object emacs_event = Fmake_event (Qnil, Qnil);
|
|
|
912 struct Lisp_Event* event = XEVENT (emacs_event);
|
|
|
913
|
|
|
914 event->channel = hwnd ? mswindows_find_frame (hwnd) : Qnil;
|
|
|
915 event->timestamp = GetMessageTime();
|
|
|
916 event->event_type = magic_event;
|
|
|
917 EVENT_MSWINDOWS_MAGIC_TYPE (event) = message;
|
|
|
918
|
|
|
919 mswindows_enqueue_dispatch_event (emacs_event);
|
|
|
920 }
|
|
|
921
|
|
|
922 static void
|
|
|
923 mswindows_enqueue_process_event (struct Lisp_Process* p)
|
|
|
924 {
|
|
|
925 Lisp_Object emacs_event = Fmake_event (Qnil, Qnil);
|
|
|
926 struct Lisp_Event* event = XEVENT (emacs_event);
|
|
|
927 Lisp_Object process;
|
|
|
928 XSETPROCESS (process, p);
|
|
|
929
|
|
|
930 event->event_type = process_event;
|
|
|
931 event->timestamp = GetTickCount ();
|
|
|
932 event->event.process.process = process;
|
|
|
933
|
|
|
934 mswindows_enqueue_dispatch_event (emacs_event);
|
|
|
935 }
|
|
|
936
|
|
|
937 static void
|
|
|
938 mswindows_enqueue_mouse_button_event (HWND hwnd, UINT message, POINTS where, DWORD when)
|
|
|
939 {
|
|
|
940
|
|
|
941 /* We always use last message time, because mouse button
|
|
|
942 events may get delayed, and XEmacs double click
|
|
|
943 recognition will fail */
|
|
|
944
|
|
|
945 Lisp_Object emacs_event = Fmake_event (Qnil, Qnil);
|
|
|
946 struct Lisp_Event* event = XEVENT(emacs_event);
|
|
|
947
|
|
|
948 event->channel = mswindows_find_frame(hwnd);
|
|
|
949 event->timestamp = when;
|
|
|
950 event->event.button.button =
|
|
|
951 (message==WM_LBUTTONDOWN || message==WM_LBUTTONUP) ? 1 :
|
|
|
952 ((message==WM_RBUTTONDOWN || message==WM_RBUTTONUP) ? 3 : 2);
|
|
|
953 event->event.button.x = where.x;
|
|
|
954 event->event.button.y = where.y;
|
|
|
955 event->event.button.modifiers = mswindows_modifier_state (NULL, 0);
|
|
|
956
|
|
|
957 if (message==WM_LBUTTONDOWN || message==WM_MBUTTONDOWN ||
|
|
|
958 message==WM_RBUTTONDOWN)
|
|
|
959 {
|
|
|
960 event->event_type = button_press_event;
|
|
|
961 SetCapture (hwnd);
|
|
|
962 /* we need this to make sure the main window regains the focus
|
|
|
963 from control subwindows */
|
|
|
964 if (GetFocus() != hwnd)
|
|
|
965 {
|
|
|
966 SetFocus (hwnd);
|
|
|
967 mswindows_enqueue_magic_event (hwnd, WM_SETFOCUS);
|
|
|
968 }
|
|
|
969 }
|
|
|
970 else
|
|
|
971 {
|
|
|
972 event->event_type = button_release_event;
|
|
|
973 ReleaseCapture ();
|
|
|
974 }
|
|
|
975
|
|
|
976 mswindows_enqueue_dispatch_event (emacs_event);
|
|
|
977 }
|
|
|
978
|
|
|
979 static void
|
|
|
980 mswindows_enqueue_keypress_event (HWND hwnd, Lisp_Object keysym, int mods)
|
|
|
981 {
|
|
|
982 Lisp_Object emacs_event = Fmake_event (Qnil, Qnil);
|
|
|
983 struct Lisp_Event* event = XEVENT(emacs_event);
|
|
|
984
|
|
|
985 event->channel = mswindows_find_console(hwnd);
|
|
|
986 event->timestamp = GetMessageTime();
|
|
|
987 event->event_type = key_press_event;
|
|
|
988 event->event.key.keysym = keysym;
|
|
|
989 event->event.key.modifiers = mods;
|
|
|
990 mswindows_enqueue_dispatch_event (emacs_event);
|
|
|
991 }
|
|
|
992
|
|
|
993 /*
|
|
|
994 * Remove and return the first emacs event on the dispatch queue.
|
|
|
995 * Give a preference to user events over non-user ones.
|
|
|
996 */
|
|
|
997 static Lisp_Object
|
|
|
998 mswindows_dequeue_dispatch_event ()
|
|
|
999 {
|
|
|
1000 Lisp_Object event;
|
|
|
1001 struct Lisp_Event* sevt;
|
|
|
1002
|
|
|
1003 assert (!NILP(mswindows_u_dispatch_event_queue) ||
|
|
|
1004 !NILP(mswindows_s_dispatch_event_queue));
|
|
|
1005
|
|
|
1006 event = dequeue_event (
|
|
|
1007 NILP(mswindows_u_dispatch_event_queue) ?
|
|
|
1008 &mswindows_s_dispatch_event_queue :
|
|
|
1009 &mswindows_u_dispatch_event_queue,
|
|
|
1010 NILP(mswindows_u_dispatch_event_queue) ?
|
|
|
1011 &mswindows_s_dispatch_event_queue_tail :
|
|
|
1012 &mswindows_u_dispatch_event_queue_tail);
|
|
|
1013
|
|
|
1014 sevt = XEVENT(event);
|
|
|
1015 if (sevt->event_type == key_press_event
|
|
|
1016 && (sevt->event.key.modifiers & FAKE_MOD_QUIT))
|
|
|
1017 {
|
|
|
1018 sevt->event.key.modifiers &= ~FAKE_MOD_QUIT;
|
|
|
1019 --mswindows_quit_chars_count;
|
|
|
1020 }
|
|
|
1021
|
|
|
1022 return event;
|
|
|
1023 }
|
|
|
1024
|
|
|
1025 /*
|
|
|
1026 * Remove and return the first emacs event on the dispatch queue that matches
|
|
|
1027 * the supplied event.
|
|
|
1028 * Timeout event matches if interval_id is equal to that of the given event.
|
|
|
1029 * Keypress event matches if logical AND between modifiers bitmask of the
|
|
|
1030 * event in the queue and that of the given event is non-zero.
|
|
|
1031 * For all other event types, this function aborts.
|
|
|
1032 */
|
|
|
1033
|
|
|
1034 Lisp_Object
|
|
|
1035 mswindows_cancel_dispatch_event (struct Lisp_Event *match)
|
|
|
1036 {
|
|
|
1037 Lisp_Object event;
|
|
|
1038 Lisp_Object previous_event = Qnil;
|
|
|
1039 int user_p = mswindows_user_event_p (match);
|
|
|
1040 Lisp_Object* head = user_p ? &mswindows_u_dispatch_event_queue :
|
|
|
1041 &mswindows_s_dispatch_event_queue;
|
|
|
1042 Lisp_Object* tail = user_p ? &mswindows_u_dispatch_event_queue_tail :
|
|
|
1043 &mswindows_s_dispatch_event_queue_tail;
|
|
|
1044
|
|
|
1045 assert (match->event_type == timeout_event
|
|
|
1046 || match->event_type == key_press_event);
|
|
|
1047
|
|
|
1048 EVENT_CHAIN_LOOP (event, *head)
|
|
|
1049 {
|
|
|
1050 struct Lisp_Event *e = XEVENT (event);
|
|
|
1051 if ((e->event_type == match->event_type) &&
|
|
|
1052 ((e->event_type == timeout_event) ?
|
|
|
1053 (e->event.timeout.interval_id == match->event.timeout.interval_id) :
|
|
|
1054 /* Must be key_press_event */
|
|
|
1055 ((e->event.key.modifiers & match->event.key.modifiers) != 0)))
|
|
|
1056 {
|
|
|
1057 if (NILP (previous_event))
|
|
|
1058 dequeue_event (head, tail);
|
|
|
1059 else
|
|
|
1060 {
|
|
|
1061 XSET_EVENT_NEXT (previous_event, XEVENT_NEXT (event));
|
|
|
1062 if (EQ (*tail, event))
|
|
|
1063 *tail = previous_event;
|
|
|
1064 }
|
|
|
1065
|
|
|
1066 return event;
|
|
|
1067 }
|
|
|
1068 previous_event = event;
|
|
|
1069 }
|
|
|
1070 return Qnil;
|
|
|
1071 }
|
|
|
1072
|
|
|
1073 #ifndef HAVE_MSG_SELECT
|
|
|
1074 /************************************************************************/
|
|
|
1075 /* Waitable handles manipulation */
|
|
|
1076 /************************************************************************/
|
|
|
1077 static int
|
|
|
1078 find_waitable_handle (HANDLE h)
|
|
|
1079 {
|
|
|
1080 int i;
|
|
|
1081 for (i = 0; i < mswindows_waitable_count; ++i)
|
|
|
1082 if (mswindows_waitable_handles[i] == h)
|
|
|
1083 return i;
|
|
|
1084
|
|
|
1085 return -1;
|
|
|
1086 }
|
|
|
1087
|
|
|
1088 static BOOL
|
|
|
1089 add_waitable_handle (HANDLE h)
|
|
|
1090 {
|
|
|
1091 assert (find_waitable_handle (h) < 0);
|
|
|
1092 if (mswindows_waitable_count == MAX_WAITABLE)
|
|
|
1093 return FALSE;
|
|
|
1094
|
|
|
1095 mswindows_waitable_handles [mswindows_waitable_count++] = h;
|
|
|
1096 return TRUE;
|
|
|
1097 }
|
|
|
1098
|
|
|
1099 static void
|
|
|
1100 remove_waitable_handle (HANDLE h)
|
|
|
1101 {
|
|
|
1102 int ix = find_waitable_handle (h);
|
|
|
1103 if (ix < 0)
|
|
|
1104 return;
|
|
|
1105
|
|
|
1106 mswindows_waitable_handles [ix] =
|
|
|
1107 mswindows_waitable_handles [--mswindows_waitable_count];
|
|
|
1108 }
|
|
|
1109 #endif /* HAVE_MSG_SELECT */
|
|
|
1110
|
|
|
1111
|
|
|
1112 /************************************************************************/
|
|
|
1113 /* Event pump */
|
|
|
1114 /************************************************************************/
|
|
|
1115
|
|
|
1116 static Lisp_Object
|
|
|
1117 mswindows_modal_loop_error_handler (Lisp_Object cons_sig_data,
|
|
|
1118 Lisp_Object u_n_u_s_e_d)
|
|
|
1119 {
|
|
|
1120 mswindows_error_caught_in_modal_loop = cons_sig_data;
|
|
|
1121 return Qunbound;
|
|
|
1122 }
|
|
|
1123
|
|
|
1124 Lisp_Object
|
|
|
1125 mswindows_protect_modal_loop (Lisp_Object (*bfun) (Lisp_Object barg),
|
|
|
1126 Lisp_Object barg)
|
|
|
1127 {
|
|
|
1128 Lisp_Object tmp;
|
|
|
1129
|
|
|
1130 ++mswindows_in_modal_loop;
|
|
|
1131 tmp = condition_case_1 (Qt,
|
|
|
1132 bfun, barg,
|
|
|
1133 mswindows_modal_loop_error_handler, Qnil);
|
|
|
1134 --mswindows_in_modal_loop;
|
|
|
1135
|
|
|
1136 return tmp;
|
|
|
1137 }
|
|
|
1138
|
|
|
1139 void
|
|
|
1140 mswindows_unmodalize_signal_maybe (void)
|
|
|
1141 {
|
|
|
1142 if (!NILP (mswindows_error_caught_in_modal_loop))
|
|
|
1143 {
|
|
|
1144 /* Got an error while messages were pumped while
|
|
|
1145 in window procedure - have to resignal */
|
|
|
1146 Lisp_Object sym = XCAR (mswindows_error_caught_in_modal_loop);
|
|
|
1147 Lisp_Object data = XCDR (mswindows_error_caught_in_modal_loop);
|
|
|
1148 mswindows_error_caught_in_modal_loop = Qnil;
|
|
|
1149 Fsignal (sym, data);
|
|
|
1150 }
|
|
|
1151 }
|
|
|
1152
|
|
|
1153 /*
|
|
|
1154 * This is an unsafe part of event pump, guarded by
|
|
|
1155 * condition_case. See mswindows_pump_outstanding_events
|
|
|
1156 */
|
|
|
1157 static Lisp_Object
|
|
|
1158 mswindows_unsafe_pump_events (Lisp_Object u_n_u_s_e_d)
|
|
|
1159 {
|
|
|
1160 /* This function can call lisp */
|
|
|
1161 Lisp_Object event = Fmake_event (Qnil, Qnil);
|
|
|
1162 struct gcpro gcpro1;
|
|
|
1163 int do_redisplay = 0;
|
|
|
1164 GCPRO1 (event);
|
|
|
1165
|
|
|
1166 while (detect_input_pending ())
|
|
|
1167 {
|
|
|
1168 Fnext_event (event, Qnil);
|
|
|
1169 Fdispatch_event (event);
|
|
|
1170 do_redisplay = 1;
|
|
|
1171 }
|
|
|
1172
|
|
|
1173 if (do_redisplay)
|
|
|
1174 redisplay ();
|
|
|
1175
|
|
|
1176 Fdeallocate_event (event);
|
|
|
1177 UNGCPRO;
|
|
|
1178
|
|
|
1179 /* Qt becomes return value of mswindows_pump_outstanding_events
|
|
|
1180 once we get here */
|
|
|
1181 return Qt;
|
|
|
1182 }
|
|
|
1183
|
|
|
1184 /*
|
|
|
1185 * This function pumps emacs events, while available, by using
|
|
|
1186 * next_message/dispatch_message loop. Errors are trapped around
|
|
|
1187 * the loop so the function always returns.
|
|
|
1188 *
|
|
|
1189 * Windows message queue is not looked into during the call,
|
|
|
1190 * neither are waitable handles checked. The function pumps
|
|
|
1191 * thus only dispatch events already queued, as well as those
|
|
|
1192 * resulted in dispatching thereof. This is done by setting
|
|
|
1193 * module local variable mswindows_in_modal_loop to nonzero.
|
|
|
1194 *
|
|
|
1195 * Return value is Qt if no errors was trapped, or Qunbound if
|
|
|
1196 * there was an error.
|
|
|
1197 *
|
|
|
1198 * In case of error, a cons representing the error, in the
|
|
|
1199 * form (SIGNAL . DATA), is stored in the module local variable
|
|
|
1200 * mswindows_error_caught_in_modal_loop. This error is signaled
|
|
|
1201 * again when DispatchMessage returns. Thus, Windows internal
|
|
|
1202 * modal loops are protected against throws, which are proven
|
|
|
1203 * to corrupt internal Windows structures.
|
|
|
1204 *
|
|
|
1205 * In case of success, mswindows_error_caught_in_modal_loop is
|
|
|
1206 * assigned Qnil.
|
|
|
1207 *
|
|
|
1208 * If the value of mswindows_error_caught_in_modal_loop is not
|
|
|
1209 * nil already upon entry, the function just returns non-nil.
|
|
|
1210 * This situation means that a new event has been queued while
|
|
|
1211 * in cancel mode. The event will be dequeued on the next regular
|
|
|
1212 * call of next-event; the pump is off since error is caught.
|
|
|
1213 * The caller must *unconditionally* cancel modal loop if the
|
|
|
1214 * value returned by this function is nil. Otherwise, everything
|
|
|
1215 * will become frozen until the modal loop exits under normal
|
|
|
1216 * condition (scrollbar drag is released, menu closed etc.)
|
|
|
1217 */
|
|
|
1218 Lisp_Object
|
|
|
1219 mswindows_pump_outstanding_events (void)
|
|
|
1220 {
|
|
|
1221 /* This function can call lisp */
|
|
|
1222
|
|
|
1223 Lisp_Object result = Qt;
|
|
|
1224 struct gcpro gcpro1;
|
|
|
1225 GCPRO1 (result);
|
|
|
1226
|
|
|
1227 if (NILP(mswindows_error_caught_in_modal_loop))
|
|
|
1228 result = mswindows_protect_modal_loop (mswindows_unsafe_pump_events, Qnil);
|
|
|
1229 UNGCPRO;
|
|
|
1230 return result;
|
|
|
1231 }
|
|
|
1232
|
|
|
1233 static void
|
|
|
1234 mswindows_drain_windows_queue ()
|
|
|
1235 {
|
|
|
1236 MSG msg;
|
|
|
1237 while (PeekMessage (&msg, NULL, 0, 0, PM_REMOVE))
|
|
|
1238 {
|
|
|
1239 /* we have to translate messages that are not sent to the main
|
|
|
1240 window. this is so that key presses work ok in things like
|
|
|
1241 edit fields. however, we *musn't* translate message for the
|
|
|
1242 main window as this is handled in the wnd proc. */
|
|
|
1243 if ( GetWindowLong (msg.hwnd, GWL_STYLE) & WS_CHILD )
|
|
|
1244 {
|
|
|
1245 TranslateMessage (&msg);
|
|
|
1246 }
|
|
|
1247 DispatchMessage (&msg);
|
|
|
1248 mswindows_unmodalize_signal_maybe ();
|
|
|
1249 }
|
|
|
1250 }
|
|
|
1251
|
|
|
1252 /*
|
|
|
1253 * This is a special flavor of the mswindows_need_event function,
|
|
|
1254 * used while in event pump. Actually, there is only kind of events
|
|
|
1255 * allowed while in event pump: a timer. An attempt to fetch any
|
|
|
1256 * other event leads to a deadlock, as there's no source of user input
|
|
|
1257 * ('cause event pump mirrors windows modal loop, which is a sole
|
|
|
1258 * owner of thread message queue).
|
|
|
1259 *
|
|
|
1260 * To detect this, we use a counter of active timers, and allow
|
|
|
1261 * fetching WM_TIMER messages. Instead of trying to fetch a WM_TIMER
|
|
|
1262 * which will never come when there are no pending timers, which leads
|
|
|
1263 * to deadlock, we simply signal an error.
|
|
|
1264 */
|
|
|
1265 static void
|
|
|
1266 mswindows_need_event_in_modal_loop (int badly_p)
|
|
|
1267 {
|
|
|
1268 MSG msg;
|
|
|
1269
|
|
|
1270 /* Check if already have one */
|
|
|
1271 if (!NILP (mswindows_u_dispatch_event_queue)
|
|
|
1272 || !NILP (mswindows_s_dispatch_event_queue))
|
|
|
1273 return;
|
|
|
1274
|
|
|
1275 /* No event is ok */
|
|
|
1276 if (!badly_p)
|
|
|
1277 return;
|
|
|
1278
|
|
|
1279 /* We do not check the _u_ queue, because timers go to _s_ */
|
|
|
1280 while (NILP (mswindows_s_dispatch_event_queue))
|
|
|
1281 {
|
|
|
1282 /* We'll deadlock if go waiting */
|
|
|
1283 if (mswindows_pending_timers_count == 0)
|
|
|
1284 error ("Deadlock due to an attempt to call next-event in a wrong context");
|
|
|
1285
|
|
|
1286 /* Fetch and dispatch any pending timers */
|
|
|
1287 GetMessage (&msg, NULL, WM_TIMER, WM_TIMER);
|
|
|
1288 DispatchMessage (&msg);
|
|
|
1289 }
|
|
|
1290 }
|
|
|
1291
|
|
|
1292 /*
|
|
|
1293 * This drains the event queue and fills up two internal queues until
|
|
|
1294 * an event of a type specified by USER_P is retrieved.
|
|
|
1295 *
|
|
|
1296 *
|
|
|
1297 * Used by emacs_mswindows_event_pending_p and emacs_mswindows_next_event
|
|
|
1298 */
|
|
|
1299 static void
|
|
|
1300 mswindows_need_event (int badly_p)
|
|
|
1301 {
|
|
|
1302 int active;
|
|
|
1303
|
|
|
1304 if (mswindows_in_modal_loop)
|
|
|
1305 {
|
|
|
1306 mswindows_need_event_in_modal_loop (badly_p);
|
|
|
1307 return;
|
|
|
1308 }
|
|
|
1309
|
|
|
1310 /* Have to drain Windows message queue first, otherwise, we may miss
|
|
|
1311 quit char when called from quit_p */
|
|
|
1312 mswindows_drain_windows_queue ();
|
|
|
1313
|
|
|
1314 while (NILP (mswindows_u_dispatch_event_queue)
|
|
|
1315 && NILP (mswindows_s_dispatch_event_queue))
|
|
|
1316 {
|
|
|
1317 #ifdef HAVE_MSG_SELECT
|
|
|
1318 int i;
|
|
|
1319 SELECT_TYPE temp_mask = input_wait_mask;
|
|
|
1320 EMACS_TIME sometime;
|
|
|
1321 EMACS_SELECT_TIME select_time_to_block, *pointer_to_this;
|
|
|
1322
|
|
|
1323 if (badly_p)
|
|
|
1324 pointer_to_this = 0;
|
|
|
1325 else
|
|
|
1326 {
|
|
|
1327 EMACS_SET_SECS_USECS (sometime, 0, 0);
|
|
|
1328 EMACS_TIME_TO_SELECT_TIME (sometime, select_time_to_block);
|
|
|
1329 pointer_to_this = &select_time_to_block;
|
|
|
1330 }
|
|
|
1331
|
|
|
1332 active = select (MAXDESC, &temp_mask, 0, 0, pointer_to_this);
|
|
|
1333
|
|
|
1334 if (active == 0)
|
|
|
1335 {
|
|
|
1336 assert (!badly_p);
|
|
|
1337 return; /* timeout */
|
|
|
1338 }
|
|
|
1339 else if (active > 0)
|
|
|
1340 {
|
|
|
1341 if (FD_ISSET (windows_fd, &temp_mask))
|
|
|
1342 {
|
|
|
1343 mswindows_drain_windows_queue ();
|
|
|
1344 }
|
|
|
1345 #ifdef HAVE_TTY
|
|
|
1346 /* Look for a TTY event */
|
|
|
1347 for (i = 0; i < MAXDESC-1; i++)
|
|
|
1348 {
|
|
|
1349 /* To avoid race conditions (among other things, an infinite
|
|
|
1350 loop when called from Fdiscard_input()), we must return
|
|
|
1351 user events ahead of process events. */
|
|
|
1352 if (FD_ISSET (i, &temp_mask) && FD_ISSET (i, &tty_only_mask))
|
|
|
1353 {
|
|
|
1354 struct console *c = tty_find_console_from_fd (i);
|
|
|
1355 Lisp_Object emacs_event = Fmake_event (Qnil, Qnil);
|
|
|
1356 struct Lisp_Event* event = XEVENT (emacs_event);
|
|
|
1357
|
|
|
1358 assert (c);
|
|
|
1359 if (read_event_from_tty_or_stream_desc (event, c, i))
|
|
|
1360 {
|
|
|
1361 mswindows_enqueue_dispatch_event (emacs_event);
|
|
|
1362 return;
|
|
|
1363 }
|
|
|
1364 }
|
|
|
1365 }
|
|
|
1366 #endif
|
|
|
1367 /* Look for a process event */
|
|
|
1368 for (i = 0; i < MAXDESC-1; i++)
|
|
|
1369 {
|
|
|
1370 if (FD_ISSET (i, &temp_mask))
|
|
|
1371 {
|
|
|
1372 if (FD_ISSET (i, &process_only_mask))
|
|
|
1373 {
|
|
|
1374 struct Lisp_Process *p =
|
|
|
1375 get_process_from_usid (FD_TO_USID(i));
|
|
|
1376
|
|
|
1377 mswindows_enqueue_process_event (p);
|
|
|
1378 }
|
|
|
1379 else
|
|
|
1380 {
|
|
|
1381 /* We might get here when a fake event came
|
|
|
1382 through a signal. Return a dummy event, so
|
|
|
1383 that a cycle of the command loop will
|
|
|
1384 occur. */
|
|
|
1385 drain_signal_event_pipe ();
|
|
|
1386 mswindows_enqueue_magic_event (NULL, XM_BUMPQUEUE);
|
|
|
1387 }
|
|
|
1388 }
|
|
|
1389 }
|
|
|
1390 }
|
|
|
1391 else if (active==-1)
|
|
|
1392 {
|
|
|
1393 if (errno != EINTR)
|
|
|
1394 {
|
|
|
1395 /* something bad happened */
|
|
|
1396 assert(0);
|
|
|
1397 }
|
|
|
1398 }
|
|
|
1399 else
|
|
|
1400 {
|
|
|
1401 assert(0);
|
|
|
1402 }
|
|
|
1403 #else
|
|
|
1404 /* Now try getting a message or process event */
|
|
|
1405 active = MsgWaitForMultipleObjects (mswindows_waitable_count,
|
|
|
1406 mswindows_waitable_handles,
|
|
|
1407 FALSE, badly_p ? INFINITE : 0,
|
|
|
1408 QS_ALLINPUT);
|
|
|
1409
|
|
|
1410 /* This will assert if handle being waited for becomes abandoned.
|
|
|
1411 Not the case currently tho */
|
|
|
1412 assert ((!badly_p && active == WAIT_TIMEOUT) ||
|
|
|
1413 (active >= WAIT_OBJECT_0 &&
|
|
|
1414 active <= WAIT_OBJECT_0 + mswindows_waitable_count));
|
|
|
1415
|
|
|
1416 if (active == WAIT_TIMEOUT)
|
|
|
1417 {
|
|
|
1418 /* No luck trying - just return what we've already got */
|
|
|
1419 return;
|
|
|
1420 }
|
|
|
1421 else if (active == WAIT_OBJECT_0 + mswindows_waitable_count)
|
|
|
1422 {
|
|
|
1423 /* Got your message, thanks */
|
|
|
1424 mswindows_drain_windows_queue ();
|
|
|
1425 }
|
|
|
1426 else
|
|
|
1427 {
|
|
|
1428 int ix = active - WAIT_OBJECT_0;
|
|
|
1429 /* First, try to find which process' output has signaled */
|
|
|
1430 struct Lisp_Process *p =
|
|
|
1431 get_process_from_usid (HANDLE_TO_USID (mswindows_waitable_handles[ix]));
|
|
|
1432 if (p != NULL)
|
|
|
1433 {
|
|
|
1434 /* Found a signaled process input handle */
|
|
|
1435 mswindows_enqueue_process_event (p);
|
|
|
1436 }
|
|
|
1437 else
|
|
|
1438 {
|
|
|
1439 /* None. This means that the process handle itself has signaled.
|
|
|
1440 Remove the handle from the wait vector, and make status_notify
|
|
|
1441 note the exited process */
|
|
|
1442 mswindows_waitable_handles [ix] =
|
|
|
1443 mswindows_waitable_handles [--mswindows_waitable_count];
|
|
|
1444 kick_status_notify ();
|
|
|
1445 /* Have to return something: there may be no accompanying
|
|
|
1446 process event */
|
|
|
1447 mswindows_enqueue_magic_event (NULL, XM_BUMPQUEUE);
|
|
|
1448 }
|
|
|
1449 }
|
|
|
1450 #endif
|
|
|
1451 } /* while */
|
|
|
1452 }
|
|
|
1453
|
|
|
1454 /************************************************************************/
|
|
|
1455 /* Event generators */
|
|
|
1456 /************************************************************************/
|
|
|
1457
|
|
|
1458 /*
|
|
|
1459 * Callback procedure for synchronous timer messages
|
|
|
1460 */
|
|
|
1461 static void CALLBACK
|
|
|
1462 mswindows_wm_timer_callback (HWND hwnd, UINT umsg, UINT id_timer, DWORD dwtime)
|
|
|
1463 {
|
|
|
1464 Lisp_Object emacs_event = Fmake_event (Qnil, Qnil);
|
|
|
1465 struct Lisp_Event *event = XEVENT (emacs_event);
|
|
|
1466
|
|
|
1467 if (KillTimer (NULL, id_timer))
|
|
|
1468 --mswindows_pending_timers_count;
|
|
|
1469
|
|
|
1470 event->channel = Qnil;
|
|
|
1471 event->timestamp = dwtime;
|
|
|
1472 event->event_type = timeout_event;
|
|
|
1473 event->event.timeout.interval_id = id_timer;
|
|
|
1474 event->event.timeout.function = Qnil;
|
|
|
1475 event->event.timeout.object = Qnil;
|
|
|
1476
|
|
|
1477 mswindows_enqueue_dispatch_event (emacs_event);
|
|
|
1478 }
|
|
|
1479
|
|
|
1480 /*
|
|
|
1481 * Callback procedure for dde messages
|
|
|
1482 *
|
|
|
1483 * We execute a dde Open("file") by simulating a file drop, so dde support
|
|
|
1484 * depends on dnd support.
|
|
|
1485 */
|
|
|
1486 #ifdef HAVE_DRAGNDROP
|
|
|
1487 HDDEDATA CALLBACK
|
|
|
1488 mswindows_dde_callback (UINT uType, UINT uFmt, HCONV hconv,
|
|
|
1489 HSZ hszTopic, HSZ hszItem, HDDEDATA hdata,
|
|
|
1490 DWORD dwData1, DWORD dwData2)
|
|
|
1491 {
|
|
|
1492 switch (uType)
|
|
|
1493 {
|
|
|
1494 case XTYP_CONNECT:
|
|
|
1495 if (!DdeCmpStringHandles (hszTopic, mswindows_dde_topic_system))
|
|
|
1496 return (HDDEDATA)TRUE;
|
|
|
1497 return (HDDEDATA)FALSE;
|
|
|
1498
|
|
|
1499 case XTYP_WILDCONNECT:
|
|
|
1500 {
|
|
|
1501 /* We only support one {service,topic} pair */
|
|
|
1502 HSZPAIR pairs[2] = {
|
|
|
1503 { mswindows_dde_service, mswindows_dde_topic_system }, { 0, 0 } };
|
|
|
1504
|
|
|
1505 if (!(hszItem || DdeCmpStringHandles (hszItem, mswindows_dde_service)) &&
|
|
|
1506 !(hszTopic || DdeCmpStringHandles (hszTopic, mswindows_dde_topic_system)));
|
|
|
1507 return (DdeCreateDataHandle (mswindows_dde_mlid, (LPBYTE)pairs,
|
|
|
1508 sizeof (pairs), 0L, 0, uFmt, 0));
|
|
|
1509 }
|
|
|
1510 return (HDDEDATA)NULL;
|
|
|
1511
|
|
|
1512 case XTYP_EXECUTE:
|
|
|
1513 if (!DdeCmpStringHandles (hszTopic, mswindows_dde_topic_system))
|
|
|
1514 {
|
|
|
1515 DWORD len = DdeGetData (hdata, NULL, 0, 0);
|
|
|
1516 char *cmd = alloca (len+1);
|
|
|
1517 char *end;
|
|
|
1518 char *filename;
|
|
|
1519 struct gcpro gcpro1, gcpro2;
|
|
|
1520 Lisp_Object l_dndlist = Qnil;
|
|
|
1521 Lisp_Object emacs_event = Fmake_event (Qnil, Qnil);
|
|
|
1522 Lisp_Object frmcons, devcons, concons;
|
|
|
1523 struct Lisp_Event *event = XEVENT (emacs_event);
|
|
|
1524
|
|
|
1525 DdeGetData (hdata, cmd, len, 0);
|
|
|
1526 cmd[len] = '\0';
|
|
|
1527 DdeFreeDataHandle (hdata);
|
|
|
1528
|
|
|
1529 /* Check syntax & that it's an [Open("foo")] command, which we
|
|
|
1530 * treat like a file drop */
|
|
|
1531 /* #### Ought to be generalised and accept some other commands */
|
|
|
1532 if (*cmd == '[')
|
|
|
1533 cmd++;
|
|
|
1534 if (strnicmp (cmd, MSWINDOWS_DDE_ITEM_OPEN,
|
|
|
1535 strlen (MSWINDOWS_DDE_ITEM_OPEN)))
|
|
|
1536 return DDE_FNOTPROCESSED;
|
|
|
1537 cmd += strlen (MSWINDOWS_DDE_ITEM_OPEN);
|
|
|
1538 while (*cmd==' ')
|
|
|
1539 cmd++;
|
|
|
1540 if (*cmd!='(' || *(cmd+1)!='\"')
|
|
|
1541 return DDE_FNOTPROCESSED;
|
|
|
1542 end = (cmd+=2);
|
|
|
1543 while (*end && *end!='\"')
|
|
|
1544 end++;
|
|
|
1545 if (!*end)
|
|
|
1546 return DDE_FNOTPROCESSED;
|
|
|
1547 *end = '\0';
|
|
|
1548 if (*(++end)!=')')
|
|
|
1549 return DDE_FNOTPROCESSED;
|
|
|
1550 if (*(++end)==']')
|
|
|
1551 end++;
|
|
|
1552 if (*end)
|
|
|
1553 return DDE_FNOTPROCESSED;
|
|
|
1554
|
|
|
1555 #ifdef __CYGWIN32__
|
|
|
1556 filename = alloca (cygwin32_win32_to_posix_path_list_buf_size (cmd) + 5);
|
|
|
1557 strcpy (filename, "file:");
|
|
|
1558 cygwin32_win32_to_posix_path_list (cmd, filename+5);
|
|
|
1559 #else
|
|
|
1560 dostounix_filename (cmd);
|
|
|
1561 filename = alloca (strlen (cmd)+6);
|
|
|
1562 strcpy (filename, "file:");
|
|
|
1563 strcat (filename, cmd);
|
|
|
1564 #endif
|
|
|
1565 GCPRO2 (emacs_event, l_dndlist);
|
|
|
1566 l_dndlist = make_string (filename, strlen (filename));
|
|
|
1567
|
|
|
1568 /* Find a mswindows frame */
|
|
|
1569 event->channel = Qnil;
|
|
|
1570 FRAME_LOOP_NO_BREAK (frmcons, devcons, concons)
|
|
|
1571 {
|
|
|
1572 Lisp_Object frame = XCAR (frmcons);
|
|
|
1573 if (FRAME_TYPE_P (XFRAME (frame), mswindows))
|
|
|
1574 event->channel = frame;
|
|
|
1575 };
|
|
|
1576 assert (!NILP (event->channel));
|
|
|
1577
|
|
|
1578 event->timestamp = GetTickCount();
|
|
|
1579 event->event_type = misc_user_event;
|
|
|
1580 event->event.misc.button = 1;
|
|
|
1581 event->event.misc.modifiers = 0;
|
|
|
1582 event->event.misc.x = -1;
|
|
|
1583 event->event.misc.y = -1;
|
|
|
1584 event->event.misc.function = Qdragdrop_drop_dispatch;
|
|
|
1585 event->event.misc.object = Fcons (Qdragdrop_URL,
|
|
|
1586 Fcons (l_dndlist, Qnil));
|
|
|
1587 mswindows_enqueue_dispatch_event (emacs_event);
|
|
|
1588 UNGCPRO;
|
|
|
1589 return (HDDEDATA) DDE_FACK;
|
|
|
1590 }
|
|
|
1591 DdeFreeDataHandle (hdata);
|
|
|
1592 return (HDDEDATA) DDE_FNOTPROCESSED;
|
|
|
1593
|
|
|
1594 default:
|
|
|
1595 return (HDDEDATA) NULL;
|
|
|
1596 }
|
|
|
1597 }
|
|
|
1598 #endif
|
|
|
1599
|
|
|
1600 /*
|
|
|
1601 * The windows procedure for the window class XEMACS_CLASS
|
|
|
1602 */
|
|
|
1603 LRESULT WINAPI
|
|
|
1604 mswindows_wnd_proc(HWND hwnd, UINT message, WPARAM wParam, LPARAM lParam)
|
|
|
1605 {
|
|
|
1606 /* Note: Remember to initialize emacs_event and event before use.
|
|
|
1607 This code calls code that can GC. You must GCPRO before calling such code. */
|
|
|
1608 Lisp_Object emacs_event = Qnil;
|
|
|
1609 Lisp_Object fobj = Qnil;
|
|
|
1610
|
|
|
1611 struct Lisp_Event *event;
|
|
|
1612 struct frame *frame;
|
|
|
1613 struct mswindows_frame* msframe;
|
|
|
1614
|
|
|
1615 switch (message)
|
|
|
1616 {
|
|
|
1617 case WM_ERASEBKGND:
|
|
|
1618 /* Erase background only during non-dynamic sizing */
|
|
|
1619 msframe = FRAME_MSWINDOWS_DATA (XFRAME (mswindows_find_frame (hwnd)));
|
|
|
1620 if (msframe->sizing && !mswindows_dynamic_frame_resize)
|
|
|
1621 goto defproc;
|
|
|
1622 return 1;
|
|
|
1623
|
|
|
1624 case WM_CLOSE:
|
|
|
1625 fobj = mswindows_find_frame (hwnd);
|
|
|
1626 mswindows_enqueue_misc_user_event (fobj, Qeval, list3 (Qdelete_frame, fobj, Qt));
|
|
|
1627 break;
|
|
|
1628
|
|
|
1629 case WM_KEYUP:
|
|
|
1630 case WM_SYSKEYUP:
|
|
|
1631 /* See Win95 comment under WM_KEYDOWN */
|
|
|
1632 {
|
|
|
1633 BYTE keymap[256];
|
|
|
1634
|
|
|
1635 if (wParam == VK_CONTROL)
|
|
|
1636 {
|
|
|
1637 GetKeyboardState (keymap);
|
|
|
1638 keymap [(lParam & 0x1000000) ? VK_RCONTROL : VK_LCONTROL] &= ~0x80;
|
|
|
1639 SetKeyboardState (keymap);
|
|
|
1640 }
|
|
|
1641 else if (wParam == VK_MENU)
|
|
|
1642 {
|
|
|
1643 GetKeyboardState (keymap);
|
|
|
1644 keymap [(lParam & 0x1000000) ? VK_RMENU : VK_LMENU] &= ~0x80;
|
|
|
1645 SetKeyboardState (keymap);
|
|
|
1646 }
|
|
|
1647 };
|
|
|
1648 goto defproc;
|
|
|
1649
|
|
|
1650 case WM_KEYDOWN:
|
|
|
1651 case WM_SYSKEYDOWN:
|
|
|
1652 /* In some locales the right-hand Alt key is labelled AltGr. This key
|
|
|
1653 * should produce alternative charcaters when combined with another key.
|
|
|
1654 * eg on a German keyboard pressing AltGr+q should produce '@'.
|
|
|
1655 * AltGr generates exactly the same keystrokes as LCtrl+RAlt. But if
|
|
|
1656 * TranslateMessage() is called with *any* combination of Ctrl+Alt down,
|
|
|
1657 * it translates as if AltGr were down.
|
|
|
1658 * We get round this by removing all modifiers from the keymap before
|
|
|
1659 * calling TranslateMessage() unless AltGr is *really* down. */
|
|
|
1660 {
|
|
|
1661 BYTE keymap[256];
|
|
|
1662 int has_AltGr = mswindows_current_layout_has_AltGr ();
|
|
|
1663 int mods;
|
|
|
1664 int extendedp = lParam & 0x1000000;
|
|
|
1665 Lisp_Object keysym;
|
|
|
1666
|
|
|
1667 GetKeyboardState (keymap);
|
|
|
1668 mods = mswindows_modifier_state (keymap, has_AltGr);
|
|
|
1669
|
|
|
1670 /* Handle non-printables */
|
|
|
1671 if (!NILP (keysym = mswindows_key_to_emacs_keysym (wParam, mods,
|
|
|
1672 extendedp)))
|
|
|
1673 mswindows_enqueue_keypress_event (hwnd, keysym, mods);
|
|
|
1674 else /* Normal keys & modifiers */
|
|
|
1675 {
|
|
|
1676 int quit_ch = CONSOLE_QUIT_CHAR (XCONSOLE (mswindows_find_console (hwnd)));
|
|
|
1677 BYTE keymap_orig[256];
|
|
|
1678 POINT pnt = { LOWORD (GetMessagePos()), HIWORD (GetMessagePos()) };
|
|
|
1679 MSG msg;
|
|
|
1680
|
|
|
1681 msg.hwnd = hwnd;
|
|
|
1682 msg.message = message;
|
|
|
1683 msg.wParam = wParam;
|
|
|
1684 msg.lParam = lParam;
|
|
|
1685 msg.time = GetMessageTime();
|
|
|
1686 msg.pt = pnt;
|
|
|
1687
|
|
|
1688 /* GetKeyboardState() does not work as documented on Win95. We have
|
|
|
1689 * to loosely track Left and Right modifiers on behalf of the OS,
|
|
|
1690 * without screwing up Windows NT which tracks them properly. */
|
|
|
1691 if (wParam == VK_CONTROL)
|
|
|
1692 keymap [extendedp ? VK_RCONTROL : VK_LCONTROL] |= 0x80;
|
|
|
1693 else if (wParam == VK_MENU)
|
|
|
1694 keymap [extendedp ? VK_RMENU : VK_LMENU] |= 0x80;
|
|
|
1695
|
|
|
1696 memcpy (keymap_orig, keymap, 256);
|
|
|
1697
|
|
|
1698 /* Remove shift modifier from an ascii character */
|
|
|
1699 mods &= ~MOD_SHIFT;
|
|
|
1700
|
|
|
1701 /* Clear control and alt modifiers unless AltGr is pressed */
|
|
|
1702 keymap [VK_RCONTROL] = 0;
|
|
|
1703 keymap [VK_LMENU] = 0;
|
|
|
1704 if (!has_AltGr || !(keymap [VK_LCONTROL] & 0x80) || !(keymap [VK_RMENU] & 0x80))
|
|
|
1705 {
|
|
|
1706 keymap [VK_LCONTROL] = 0;
|
|
|
1707 keymap [VK_CONTROL] = 0;
|
|
|
1708 keymap [VK_RMENU] = 0;
|
|
|
1709 keymap [VK_MENU] = 0;
|
|
|
1710 }
|
|
|
1711 SetKeyboardState (keymap);
|
|
|
1712
|
|
|
1713 /* Maybe generate some WM_[SYS]CHARs in the queue */
|
|
|
1714 TranslateMessage (&msg);
|
|
|
1715
|
|
|
1716 while (PeekMessage (&msg, hwnd, WM_CHAR, WM_CHAR, PM_REMOVE)
|
|
|
1717 || PeekMessage (&msg, hwnd, WM_SYSCHAR, WM_SYSCHAR, PM_REMOVE))
|
|
|
1718 {
|
|
|
1719 int mods1 = mods;
|
|
|
1720 WPARAM ch = msg.wParam;
|
|
|
1721
|
|
|
1722 /* If a quit char with no modifiers other than control and
|
|
|
1723 shift, then mark it with a fake modifier, which is removed
|
|
|
1724 upon dequeueing the event */
|
|
|
1725 /* #### This might also not withstand localization, if
|
|
|
1726 quit character is not a latin-1 symbol */
|
|
|
1727 if (((quit_ch < ' ' && (mods & MOD_CONTROL) && quit_ch + 'a' - 1 == ch)
|
|
|
1728 || (quit_ch >= ' ' && !(mods & MOD_CONTROL) && quit_ch == ch))
|
|
|
1729 && ((mods & ~(MOD_CONTROL | MOD_SHIFT)) == 0))
|
|
|
1730 {
|
|
|
1731 mods1 |= FAKE_MOD_QUIT;
|
|
|
1732 ++mswindows_quit_chars_count;
|
|
|
1733 }
|
|
|
1734
|
|
|
1735 mswindows_enqueue_keypress_event (hwnd, make_char(ch), mods1);
|
|
|
1736 } /* while */
|
|
|
1737 SetKeyboardState (keymap_orig);
|
|
|
1738 } /* else */
|
|
|
1739 }
|
|
|
1740 /* F10 causes menu activation by default. We do not want this */
|
|
|
1741 if (wParam != VK_F10 && (mswindows_meta_activates_menu || wParam != VK_MENU))
|
|
|
1742 goto defproc;
|
|
|
1743 break;
|
|
|
1744
|
|
|
1745 case WM_MBUTTONDOWN:
|
|
|
1746 case WM_MBUTTONUP:
|
|
|
1747 /* Real middle mouse button has nothing to do with emulated one:
|
|
|
1748 if one wants to exercise fingers playing chords on the mouse,
|
|
|
1749 he is allowed to do that! */
|
|
|
1750 mswindows_enqueue_mouse_button_event (hwnd, message,
|
|
|
1751 MAKEPOINTS (lParam), GetMessageTime());
|
|
|
1752 break;
|
|
|
1753
|
|
|
1754 case WM_LBUTTONUP:
|
|
|
1755 msframe = FRAME_MSWINDOWS_DATA (XFRAME (mswindows_find_frame (hwnd)));
|
|
|
1756 msframe->last_click_time = GetMessageTime();
|
|
|
1757
|
|
|
1758 KillTimer (hwnd, BUTTON_2_TIMER_ID);
|
|
|
1759 msframe->button2_need_lbutton = 0;
|
|
|
1760 if (msframe->ignore_next_lbutton_up)
|
|
|
1761 {
|
|
|
1762 msframe->ignore_next_lbutton_up = 0;
|
|
|
1763 }
|
|
|
1764 else if (msframe->button2_is_down)
|
|
|
1765 {
|
|
|
1766 msframe->button2_is_down = 0;
|
|
|
1767 msframe->ignore_next_rbutton_up = 1;
|
|
|
1768 mswindows_enqueue_mouse_button_event (hwnd, WM_MBUTTONUP,
|
|
|
1769 MAKEPOINTS (lParam), GetMessageTime());
|
|
|
1770 }
|
|
|
1771 else
|
|
|
1772 {
|
|
|
1773 if (msframe->button2_need_rbutton)
|
|
|
1774 {
|
|
|
1775 msframe->button2_need_rbutton = 0;
|
|
|
1776 mswindows_enqueue_mouse_button_event (hwnd, WM_LBUTTONDOWN,
|
|
|
1777 MAKEPOINTS (lParam), GetMessageTime());
|
|
|
1778 }
|
|
|
1779 mswindows_enqueue_mouse_button_event (hwnd, WM_LBUTTONUP,
|
|
|
1780 MAKEPOINTS (lParam), GetMessageTime());
|
|
|
1781 }
|
|
|
1782 break;
|
|
|
1783
|
|
|
1784 case WM_RBUTTONUP:
|
|
|
1785 msframe = FRAME_MSWINDOWS_DATA (XFRAME (mswindows_find_frame (hwnd)));
|
|
|
1786 msframe->last_click_time = GetMessageTime();
|
|
|
1787
|
|
|
1788 KillTimer (hwnd, BUTTON_2_TIMER_ID);
|
|
|
1789 msframe->button2_need_rbutton = 0;
|
|
|
1790 if (msframe->ignore_next_rbutton_up)
|
|
|
1791 {
|
|
|
1792 msframe->ignore_next_rbutton_up = 0;
|
|
|
1793 }
|
|
|
1794 else if (msframe->button2_is_down)
|
|
|
1795 {
|
|
|
1796 msframe->button2_is_down = 0;
|
|
|
1797 msframe->ignore_next_lbutton_up = 1;
|
|
|
1798 mswindows_enqueue_mouse_button_event (hwnd, WM_MBUTTONUP,
|
|
|
1799 MAKEPOINTS (lParam), GetMessageTime());
|
|
|
1800 }
|
|
|
1801 else
|
|
|
1802 {
|
|
|
1803 if (msframe->button2_need_lbutton)
|
|
|
1804 {
|
|
|
1805 msframe->button2_need_lbutton = 0;
|
|
|
1806 mswindows_enqueue_mouse_button_event (hwnd, WM_RBUTTONDOWN,
|
|
|
1807 MAKEPOINTS (lParam), GetMessageTime());
|
|
|
1808 }
|
|
|
1809 mswindows_enqueue_mouse_button_event (hwnd, WM_RBUTTONUP,
|
|
|
1810 MAKEPOINTS (lParam), GetMessageTime());
|
|
|
1811 }
|
|
|
1812 break;
|
|
|
1813
|
|
|
1814 case WM_LBUTTONDOWN:
|
|
|
1815 msframe = FRAME_MSWINDOWS_DATA (XFRAME (mswindows_find_frame (hwnd)));
|
|
|
1816
|
|
|
1817 if (msframe->button2_need_lbutton)
|
|
|
1818 {
|
|
|
1819 KillTimer (hwnd, BUTTON_2_TIMER_ID);
|
|
|
1820 msframe->button2_need_lbutton = 0;
|
|
|
1821 msframe->button2_need_rbutton = 0;
|
|
|
1822 if (mswindows_button2_near_enough (msframe->last_click_point, MAKEPOINTS (lParam)))
|
|
|
1823 {
|
|
|
1824 mswindows_enqueue_mouse_button_event (hwnd, WM_MBUTTONDOWN,
|
|
|
1825 MAKEPOINTS (lParam), GetMessageTime());
|
|
|
1826 msframe->button2_is_down = 1;
|
|
|
1827 }
|
|
|
1828 else
|
|
|
1829 {
|
|
|
1830 mswindows_enqueue_mouse_button_event (hwnd, WM_RBUTTONDOWN,
|
|
|
1831 msframe->last_click_point, msframe->last_click_time);
|
|
|
1832 mswindows_enqueue_mouse_button_event (hwnd, WM_LBUTTONDOWN,
|
|
|
1833 MAKEPOINTS (lParam), GetMessageTime());
|
|
|
1834 }
|
|
|
1835 }
|
|
|
1836 else
|
|
|
1837 {
|
|
|
1838 mswindows_set_chord_timer (hwnd);
|
|
|
1839 msframe->button2_need_rbutton = 1;
|
|
|
1840 msframe->last_click_point = MAKEPOINTS (lParam);
|
|
|
1841 }
|
|
|
1842 msframe->last_click_time = GetMessageTime();
|
|
|
1843 break;
|
|
|
1844
|
|
|
1845 case WM_RBUTTONDOWN:
|
|
|
1846 msframe = FRAME_MSWINDOWS_DATA (XFRAME (mswindows_find_frame (hwnd)));
|
|
|
1847
|
|
|
1848 if (msframe->button2_need_rbutton)
|
|
|
1849 {
|
|
|
1850 KillTimer (hwnd, BUTTON_2_TIMER_ID);
|
|
|
1851 msframe->button2_need_lbutton = 0;
|
|
|
1852 msframe->button2_need_rbutton = 0;
|
|
|
1853 if (mswindows_button2_near_enough (msframe->last_click_point, MAKEPOINTS (lParam)))
|
|
|
1854 {
|
|
|
1855 mswindows_enqueue_mouse_button_event (hwnd, WM_MBUTTONDOWN,
|
|
|
1856 MAKEPOINTS (lParam), GetMessageTime());
|
|
|
1857 msframe->button2_is_down = 1;
|
|
|
1858 }
|
|
|
1859 else
|
|
|
1860 {
|
|
|
1861 mswindows_enqueue_mouse_button_event (hwnd, WM_LBUTTONDOWN,
|
|
|
1862 msframe->last_click_point, msframe->last_click_time);
|
|
|
1863 mswindows_enqueue_mouse_button_event (hwnd, WM_RBUTTONDOWN,
|
|
|
1864 MAKEPOINTS (lParam), GetMessageTime());
|
|
|
1865 }
|
|
|
1866 }
|
|
|
1867 else
|
|
|
1868 {
|
|
|
1869 mswindows_set_chord_timer (hwnd);
|
|
|
1870 msframe->button2_need_lbutton = 1;
|
|
|
1871 msframe->last_click_point = MAKEPOINTS (lParam);
|
|
|
1872 }
|
|
|
1873 msframe->last_click_time = GetMessageTime();
|
|
|
1874 break;
|
|
|
1875
|
|
|
1876 case WM_TIMER:
|
|
|
1877 if (wParam == BUTTON_2_TIMER_ID)
|
|
|
1878 {
|
|
|
1879 msframe = FRAME_MSWINDOWS_DATA (XFRAME (mswindows_find_frame (hwnd)));
|
|
|
1880 KillTimer (hwnd, BUTTON_2_TIMER_ID);
|
|
|
1881
|
|
|
1882 if (msframe->button2_need_lbutton)
|
|
|
1883 {
|
|
|
1884 msframe->button2_need_lbutton = 0;
|
|
|
1885 mswindows_enqueue_mouse_button_event (hwnd, WM_RBUTTONDOWN,
|
|
|
1886 msframe->last_click_point, msframe->last_click_time);
|
|
|
1887 }
|
|
|
1888 else if (msframe->button2_need_rbutton)
|
|
|
1889 {
|
|
|
1890 msframe->button2_need_rbutton = 0;
|
|
|
1891 mswindows_enqueue_mouse_button_event (hwnd, WM_LBUTTONDOWN,
|
|
|
1892 msframe->last_click_point, msframe->last_click_time);
|
|
|
1893 }
|
|
|
1894 }
|
|
|
1895 else
|
|
|
1896 assert ("Spurious timer fired" == 0);
|
|
|
1897 break;
|
|
|
1898
|
|
|
1899 case WM_MOUSEMOVE:
|
|
|
1900 /* Optimization: don't report mouse movement while size is changing */
|
|
|
1901 msframe = FRAME_MSWINDOWS_DATA (XFRAME (mswindows_find_frame (hwnd)));
|
|
|
1902 if (!msframe->sizing)
|
|
|
1903 {
|
|
|
1904 /* When waiting for the second mouse button to finish
|
|
|
1905 button2 emulation, and have moved too far, just pretend
|
|
|
1906 as if timer has expired. This improves drag-select feedback */
|
|
|
1907 if ((msframe->button2_need_lbutton || msframe->button2_need_rbutton)
|
|
|
1908 && !mswindows_button2_near_enough (msframe->last_click_point,
|
|
|
1909 MAKEPOINTS (lParam)))
|
|
|
1910 {
|
|
|
1911 KillTimer (hwnd, BUTTON_2_TIMER_ID);
|
|
|
1912 SendMessage (hwnd, WM_TIMER, BUTTON_2_TIMER_ID, 0);
|
|
|
1913 }
|
|
|
1914
|
|
|
1915 emacs_event = Fmake_event (Qnil, Qnil);
|
|
|
1916 event = XEVENT(emacs_event);
|
|
|
1917
|
|
|
1918 event->channel = mswindows_find_frame(hwnd);
|
|
|
1919 event->timestamp = GetMessageTime();
|
|
|
1920 event->event_type = pointer_motion_event;
|
|
|
1921 event->event.motion.x = MAKEPOINTS(lParam).x;
|
|
|
1922 event->event.motion.y = MAKEPOINTS(lParam).y;
|
|
|
1923 event->event.motion.modifiers = mswindows_modifier_state (NULL, 0);
|
|
|
1924
|
|
|
1925 mswindows_enqueue_dispatch_event (emacs_event);
|
|
|
1926 }
|
|
|
1927 break;
|
|
|
1928
|
|
|
1929 case WM_CANCELMODE:
|
|
|
1930 ReleaseCapture ();
|
|
|
1931 /* Queue a `cancel-mode-internal' misc user event, so mouse
|
|
|
1932 selection would be canceled if any */
|
|
|
1933 mswindows_enqueue_misc_user_event (mswindows_find_frame (hwnd),
|
|
|
1934 Qcancel_mode_internal, Qnil);
|
|
|
1935 break;
|
|
|
1936
|
|
|
1937 case WM_NOTIFY:
|
|
|
1938 {
|
|
|
1939 LPNMHDR nmhdr = (LPNMHDR)lParam;
|
|
|
1940
|
|
|
1941 if (nmhdr->code == TTN_NEEDTEXT)
|
|
|
1942 {
|
|
|
1943 #ifdef HAVE_TOOLBARS
|
|
|
1944 LPTOOLTIPTEXT tttext = (LPTOOLTIPTEXT)lParam;
|
|
|
1945 Lisp_Object btext;
|
|
|
1946
|
|
|
1947 /* find out which toolbar */
|
|
|
1948 frame = XFRAME (mswindows_find_frame (hwnd));
|
|
|
1949 btext = mswindows_get_toolbar_button_text ( frame,
|
|
|
1950 nmhdr->idFrom );
|
|
|
1951
|
|
|
1952 tttext->lpszText = NULL;
|
|
|
1953 tttext->hinst = NULL;
|
|
|
1954
|
|
|
1955 if (!NILP(btext))
|
|
|
1956 {
|
|
|
1957 /* I think this is safe since the text will only go away
|
|
|
1958 when the toolbar does...*/
|
|
|
1959 GET_C_STRING_EXT_DATA_ALLOCA (btext, FORMAT_OS,
|
|
|
1960 tttext->lpszText);
|
|
|
1961 }
|
|
|
1962 #endif
|
|
|
1963 }
|
|
|
1964 /* handle tree view callbacks */
|
|
|
1965 else if (nmhdr->code == TVN_SELCHANGED)
|
|
|
1966 {
|
|
|
1967 NM_TREEVIEW* ptree = (NM_TREEVIEW*)lParam;
|
|
|
1968 frame = XFRAME (mswindows_find_frame (hwnd));
|
|
|
1969 mswindows_handle_gui_wm_command (frame, 0, ptree->itemNew.lParam);
|
|
|
1970 }
|
|
|
1971 /* handle tab control callbacks */
|
|
|
1972 else if (nmhdr->code == TCN_SELCHANGE)
|
|
|
1973 {
|
|
|
1974 TC_ITEM item;
|
|
|
1975 int index = SendMessage (nmhdr->hwndFrom, TCM_GETCURSEL, 0, 0);
|
|
|
1976 frame = XFRAME (mswindows_find_frame (hwnd));
|
|
|
1977
|
|
|
1978 item.mask = TCIF_PARAM;
|
|
|
1979 SendMessage (nmhdr->hwndFrom, TCM_GETITEM, (WPARAM)index,
|
|
|
1980 (LPARAM)&item);
|
|
|
1981
|
|
|
1982 mswindows_handle_gui_wm_command (frame, 0, item.lParam);
|
|
|
1983 }
|
|
|
1984 }
|
|
|
1985 break;
|
|
|
1986
|
|
|
1987 case WM_PAINT:
|
|
|
1988 {
|
|
|
1989 /* According to the docs we need to check GetUpdateRect() before
|
|
|
1990 actually doing a WM_PAINT */
|
|
|
1991 if (GetUpdateRect (hwnd, NULL, FALSE))
|
|
|
1992 {
|
|
|
1993 PAINTSTRUCT paintStruct;
|
|
|
1994 int x, y, width, height;
|
|
|
1995
|
|
|
1996 frame = XFRAME (mswindows_find_frame (hwnd));
|
|
|
1997
|
|
|
1998 BeginPaint (hwnd, &paintStruct);
|
|
|
1999 x = paintStruct.rcPaint.left;
|
|
|
2000 y = paintStruct.rcPaint.top;
|
|
|
2001 width = paintStruct.rcPaint.right - paintStruct.rcPaint.left;
|
|
|
2002 height = paintStruct.rcPaint.bottom - paintStruct.rcPaint.top;
|
|
|
2003 /* Normally we want to ignore expose events when child
|
|
|
2004 windows are unmapped, however once we are in the guts of
|
|
|
2005 WM_PAINT we need to make sure that we don't register
|
|
|
2006 unmaps then because they will not actually occur. */
|
|
|
2007 if (!check_for_ignored_expose (frame, x, y, width, height))
|
|
|
2008 {
|
|
|
2009 hold_ignored_expose_registration = 1;
|
|
|
2010 mswindows_redraw_exposed_area (frame, x, y, width, height);
|
|
|
2011 hold_ignored_expose_registration = 0;
|
|
|
2012 }
|
|
|
2013
|
|
|
2014 EndPaint (hwnd, &paintStruct);
|
|
|
2015 }
|
|
|
2016 else
|
|
|
2017 goto defproc;
|
|
|
2018 }
|
|
|
2019 break;
|
|
|
2020
|
|
|
2021 case WM_SIZE:
|
|
|
2022 /* We only care about this message if our size has really changed */
|
|
|
2023 if (wParam==SIZE_RESTORED || wParam==SIZE_MAXIMIZED || wParam==SIZE_MINIMIZED)
|
|
|
2024 {
|
|
|
2025 RECT rect;
|
|
|
2026 int columns, rows;
|
|
|
2027
|
|
|
2028 fobj = mswindows_find_frame (hwnd);
|
|
|
2029 frame = XFRAME (fobj);
|
|
|
2030 msframe = FRAME_MSWINDOWS_DATA (frame);
|
|
|
2031
|
|
|
2032 /* We cannot handle frame map and unmap hooks right in
|
|
|
2033 this routine, because these may throw. We queue
|
|
|
2034 magic events to run these hooks instead - kkm */
|
|
|
2035
|
|
|
2036 if (wParam==SIZE_MINIMIZED)
|
|
|
2037 {
|
|
|
2038 /* Iconified */
|
|
|
2039 FRAME_VISIBLE_P (frame) = 0;
|
|
|
2040 mswindows_enqueue_magic_event (hwnd, XM_UNMAPFRAME);
|
|
|
2041 }
|
|
|
2042 else
|
|
|
2043 {
|
|
|
2044 GetClientRect(hwnd, &rect);
|
|
|
2045 FRAME_PIXWIDTH(frame) = rect.right;
|
|
|
2046 FRAME_PIXHEIGHT(frame) = rect.bottom;
|
|
|
2047
|
|
|
2048 pixel_to_real_char_size (frame, rect.right, rect.bottom,
|
|
|
2049 &FRAME_MSWINDOWS_CHARWIDTH (frame),
|
|
|
2050 &FRAME_MSWINDOWS_CHARHEIGHT (frame));
|
|
|
2051
|
|
|
2052 pixel_to_char_size (frame, rect.right, rect.bottom, &columns, &rows);
|
|
|
2053 change_frame_size (frame, rows, columns, 1);
|
|
|
2054
|
|
|
2055 /* If we are inside frame creation, we have to apply geometric
|
|
|
2056 properties now. */
|
|
|
2057 if (FRAME_MSWINDOWS_TARGET_RECT (frame))
|
|
|
2058 {
|
|
|
2059 /* Yes, we have to size again */
|
|
|
2060 mswindows_size_frame_internal ( frame,
|
|
|
2061 FRAME_MSWINDOWS_TARGET_RECT
|
|
|
2062 (frame));
|
|
|
2063 /* Reset so we do not get here again. The SetWindowPos call in
|
|
|
2064 * mswindows_size_frame_internal can cause recursion here. */
|
|
|
2065 if (FRAME_MSWINDOWS_TARGET_RECT (frame))
|
|
|
2066 {
|
|
|
2067 xfree (FRAME_MSWINDOWS_TARGET_RECT (frame));
|
|
|
2068 FRAME_MSWINDOWS_TARGET_RECT (frame) = 0;
|
|
|
2069 }
|
|
|
2070 }
|
|
|
2071 else
|
|
|
2072 {
|
|
|
2073 if (!msframe->sizing && !FRAME_VISIBLE_P (frame))
|
|
|
2074 mswindows_enqueue_magic_event (hwnd, XM_MAPFRAME);
|
|
|
2075 FRAME_VISIBLE_P (frame) = 1;
|
|
|
2076
|
|
|
2077 if (!msframe->sizing || mswindows_dynamic_frame_resize)
|
|
|
2078 redisplay ();
|
|
|
2079 }
|
|
|
2080 }
|
|
|
2081 }
|
|
|
2082 break;
|
|
|
2083
|
|
|
2084 /* Misc magic events which only require that the frame be identified */
|
|
|
2085 case WM_SETFOCUS:
|
|
|
2086 case WM_KILLFOCUS:
|
|
|
2087 mswindows_enqueue_magic_event (hwnd, message);
|
|
|
2088 break;
|
|
|
2089
|
|
|
2090 case WM_WINDOWPOSCHANGING:
|
|
|
2091 {
|
|
|
2092 WINDOWPOS *wp = (LPWINDOWPOS) lParam;
|
|
|
2093 WINDOWPLACEMENT wpl = { sizeof(WINDOWPLACEMENT) };
|
|
|
2094 GetWindowPlacement(hwnd, &wpl);
|
|
|
2095
|
|
|
2096 /* Only interested if size is changing and we're not being iconified */
|
|
|
2097 if (wpl.showCmd != SW_SHOWMINIMIZED
|
|
|
2098 && wpl.showCmd != SW_SHOWMAXIMIZED
|
|
|
2099 && !(wp->flags & SWP_NOSIZE))
|
|
|
2100 {
|
|
|
2101 RECT ncsize = { 0, 0, 0, 0 };
|
|
|
2102 int pixwidth, pixheight;
|
|
|
2103 AdjustWindowRectEx (&ncsize, GetWindowLong (hwnd, GWL_STYLE),
|
|
|
2104 GetMenu(hwnd) != NULL,
|
|
|
2105 GetWindowLong (hwnd, GWL_EXSTYLE));
|
|
|
2106
|
|
|
2107 round_size_to_real_char (XFRAME (mswindows_find_frame (hwnd)),
|
|
|
2108 wp->cx - (ncsize.right - ncsize.left),
|
|
|
2109 wp->cy - (ncsize.bottom - ncsize.top),
|
|
|
2110 &pixwidth, &pixheight);
|
|
|
2111
|
|
|
2112 /* Convert client sizes to window sizes */
|
|
|
2113 pixwidth += (ncsize.right - ncsize.left);
|
|
|
2114 pixheight += (ncsize.bottom - ncsize.top);
|
|
|
2115
|
|
|
2116 if (wpl.showCmd != SW_SHOWMAXIMIZED)
|
|
|
2117 {
|
|
|
2118 /* Adjust so that the bottom or right doesn't move if it's
|
|
|
2119 * the top or left that's being changed */
|
|
|
2120 RECT rect;
|
|
|
2121 GetWindowRect (hwnd, &rect);
|
|
|
2122
|
|
|
2123 if (rect.left != wp->x)
|
|
|
2124 wp->x += wp->cx - pixwidth;
|
|
|
2125 if (rect.top != wp->y)
|
|
|
2126 wp->y += wp->cy - pixheight;
|
|
|
2127 }
|
|
|
2128
|
|
|
2129 wp->cx = pixwidth;
|
|
|
2130 wp->cy = pixheight;
|
|
|
2131 }
|
|
|
2132 /* DefWindowProc sends useful WM_GETMINMAXINFO message, and adjusts
|
|
|
2133 window position if the user tries to track window too small */
|
|
|
2134 }
|
|
|
2135 goto defproc;
|
|
|
2136
|
|
|
2137 case WM_ENTERSIZEMOVE:
|
|
|
2138 msframe = FRAME_MSWINDOWS_DATA (XFRAME (mswindows_find_frame (hwnd)));
|
|
|
2139 msframe->sizing = 1;
|
|
|
2140 return 0;
|
|
|
2141
|
|
|
2142 case WM_EXITSIZEMOVE:
|
|
|
2143 msframe = FRAME_MSWINDOWS_DATA (XFRAME (mswindows_find_frame (hwnd)));
|
|
|
2144 msframe->sizing = 0;
|
|
|
2145 /* Queue noop event */
|
|
|
2146 mswindows_enqueue_magic_event (NULL, XM_BUMPQUEUE);
|
|
|
2147 return 0;
|
|
|
2148
|
|
|
2149 #ifdef HAVE_SCROLLBARS
|
|
|
2150 case WM_VSCROLL:
|
|
|
2151 case WM_HSCROLL:
|
|
|
2152 {
|
|
|
2153 /* Direction of scroll is determined by scrollbar instance. */
|
|
|
2154 int code = (int) LOWORD(wParam);
|
|
|
2155 int pos = (short int) HIWORD(wParam);
|
|
|
2156 HWND hwndScrollBar = (HWND) lParam;
|
|
|
2157 struct gcpro gcpro1, gcpro2;
|
|
|
2158
|
|
|
2159 mswindows_handle_scrollbar_event (hwndScrollBar, code, pos);
|
|
|
2160 GCPRO2 (emacs_event, fobj);
|
|
|
2161 if (UNBOUNDP(mswindows_pump_outstanding_events())) /* Can GC */
|
|
|
2162 {
|
|
|
2163 /* Error during event pumping - cancel scroll */
|
|
|
2164 SendMessage (hwndScrollBar, WM_CANCELMODE, 0, 0);
|
|
|
2165 }
|
|
|
2166 UNGCPRO;
|
|
|
2167 break;
|
|
|
2168 }
|
|
|
2169
|
|
|
2170 case WM_MOUSEWHEEL:
|
|
|
2171 {
|
|
|
2172 int keys = LOWORD (wParam); /* Modifier key flags */
|
|
|
2173 int delta = (short) HIWORD (wParam); /* Wheel rotation amount */
|
|
|
2174 struct gcpro gcpro1, gcpro2;
|
|
|
2175
|
|
|
2176 if (mswindows_handle_mousewheel_event (mswindows_find_frame (hwnd), keys, delta))
|
|
|
2177 {
|
|
|
2178 GCPRO2 (emacs_event, fobj);
|
|
|
2179 mswindows_pump_outstanding_events (); /* Can GC */
|
|
|
2180 UNGCPRO;
|
|
|
2181 }
|
|
|
2182 else
|
|
|
2183 goto defproc;
|
|
|
2184 break;
|
|
|
2185 }
|
|
|
2186 #endif
|
|
|
2187
|
|
|
2188 #ifdef HAVE_MENUBARS
|
|
|
2189 case WM_INITMENU:
|
|
|
2190 if (UNBOUNDP (mswindows_handle_wm_initmenu (
|
|
|
2191 (HMENU) wParam,
|
|
|
2192 XFRAME (mswindows_find_frame (hwnd)))))
|
|
|
2193 SendMessage (hwnd, WM_CANCELMODE, 0, 0);
|
|
|
2194 break;
|
|
|
2195
|
|
|
2196 case WM_INITMENUPOPUP:
|
|
|
2197 if (!HIWORD(lParam))
|
|
|
2198 {
|
|
|
2199 if (UNBOUNDP (mswindows_handle_wm_initmenupopup (
|
|
|
2200 (HMENU) wParam,
|
|
|
2201 XFRAME (mswindows_find_frame (hwnd)))))
|
|
|
2202 SendMessage (hwnd, WM_CANCELMODE, 0, 0);
|
|
|
2203 }
|
|
|
2204 break;
|
|
|
2205
|
|
|
2206 #endif /* HAVE_MENUBARS */
|
|
|
2207
|
|
|
2208 case WM_COMMAND:
|
|
|
2209 {
|
|
|
2210 WORD id = LOWORD (wParam);
|
|
|
2211 WORD nid = HIWORD (wParam);
|
|
|
2212 HWND cid = (HWND)lParam;
|
|
|
2213 frame = XFRAME (mswindows_find_frame (hwnd));
|
|
|
2214
|
|
|
2215 #ifdef HAVE_TOOLBARS
|
|
|
2216 if (!NILP (mswindows_handle_toolbar_wm_command (frame, cid, id)))
|
|
|
2217 break;
|
|
|
2218 #endif
|
|
|
2219 /* widgets in a buffer only eval a callback for suitable events.*/
|
|
|
2220 switch (nid)
|
|
|
2221 {
|
|
|
2222 case BN_CLICKED:
|
|
|
2223 case EN_CHANGE:
|
|
|
2224 case CBN_EDITCHANGE:
|
|
|
2225 case CBN_SELCHANGE:
|
|
|
2226 if (!NILP (mswindows_handle_gui_wm_command (frame, cid, id)))
|
|
|
2227 return 0;
|
|
|
2228 }
|
|
|
2229 /* menubars always must come last since the hashtables do not
|
|
|
2230 always exist*/
|
|
|
2231 #ifdef HAVE_MENUBARS
|
|
|
2232 if (!NILP (mswindows_handle_wm_command (frame, id)))
|
|
|
2233 break;
|
|
|
2234 #endif
|
|
|
2235
|
|
|
2236 return DefWindowProc (hwnd, message, wParam, lParam);
|
|
|
2237 /* Bite me - a spurious command. This used to not be able to
|
|
|
2238 happen but with the introduction of widgets its now
|
|
|
2239 possible. */
|
|
|
2240 }
|
|
|
2241 break;
|
|
|
2242
|
|
|
2243 case WM_CTLCOLORBTN:
|
|
|
2244 case WM_CTLCOLORLISTBOX:
|
|
|
2245 case WM_CTLCOLOREDIT:
|
|
|
2246 case WM_CTLCOLORSTATIC:
|
|
|
2247 case WM_CTLCOLORSCROLLBAR:
|
|
|
2248 {
|
|
|
2249 /* if we get an opportunity to paint a widget then do so if
|
|
|
2250 there is an appropriate face */
|
|
|
2251 HWND crtlwnd = (HWND)lParam;
|
|
|
2252 LONG ii = GetWindowLong (crtlwnd, GWL_USERDATA);
|
|
|
2253 if (ii)
|
|
|
2254 {
|
|
|
2255 Lisp_Object image_instance;
|
|
|
2256 VOID_TO_LISP (image_instance, ii);
|
|
|
2257 if (IMAGE_INSTANCEP (image_instance)
|
|
|
2258 &&
|
|
|
2259 IMAGE_INSTANCE_TYPE_P (image_instance, IMAGE_WIDGET)
|
|
|
2260 &&
|
|
|
2261 !NILP (XIMAGE_INSTANCE_WIDGET_FACE (image_instance)))
|
|
|
2262 {
|
|
|
2263 /* set colors for the buttons */
|
|
|
2264 HDC hdc = (HDC)wParam;
|
|
|
2265 if (last_widget_brushed != ii)
|
|
|
2266 {
|
|
|
2267 if (widget_brush)
|
|
|
2268 DeleteObject (widget_brush);
|
|
|
2269 widget_brush = CreateSolidBrush
|
|
|
2270 (COLOR_INSTANCE_MSWINDOWS_COLOR
|
|
|
2271 (XCOLOR_INSTANCE
|
|
|
2272 (FACE_BACKGROUND
|
|
|
2273 (XIMAGE_INSTANCE_WIDGET_FACE (image_instance),
|
|
|
2274 XIMAGE_INSTANCE_SUBWINDOW_FRAME (image_instance)))));
|
|
|
2275 }
|
|
|
2276 last_widget_brushed = ii;
|
|
|
2277 SetTextColor
|
|
|
2278 (hdc,
|
|
|
2279 COLOR_INSTANCE_MSWINDOWS_COLOR
|
|
|
2280 (XCOLOR_INSTANCE
|
|
|
2281 (FACE_FOREGROUND
|
|
|
2282 (XIMAGE_INSTANCE_WIDGET_FACE (image_instance),
|
|
|
2283 XIMAGE_INSTANCE_SUBWINDOW_FRAME (image_instance)))));
|
|
|
2284 SetBkMode (hdc, OPAQUE);
|
|
|
2285 SetBkColor
|
|
|
2286 (hdc,
|
|
|
2287 COLOR_INSTANCE_MSWINDOWS_COLOR
|
|
|
2288 (XCOLOR_INSTANCE
|
|
|
2289 (FACE_BACKGROUND
|
|
|
2290 (XIMAGE_INSTANCE_WIDGET_FACE (image_instance),
|
|
|
2291 XIMAGE_INSTANCE_SUBWINDOW_FRAME (image_instance)))));
|
|
|
2292 return (LRESULT)widget_brush;
|
|
|
2293 }
|
|
|
2294 }
|
|
|
2295 }
|
|
|
2296 goto defproc;
|
|
|
2297
|
|
|
2298 #ifdef HAVE_DRAGNDROP
|
|
|
2299 case WM_DROPFILES: /* implementation ripped-off from event-Xt.c */
|
|
|
2300 {
|
|
|
2301 UINT filecount, i, len;
|
|
|
2302 POINT point;
|
|
|
2303 char* filename;
|
|
|
2304 #ifdef __CYGWIN32__
|
|
|
2305 char* fname;
|
|
|
2306 #endif
|
|
|
2307 Lisp_Object l_dndlist = Qnil, l_item = Qnil;
|
|
|
2308 struct gcpro gcpro1, gcpro2, gcpro3;
|
|
|
2309
|
|
|
2310 emacs_event = Fmake_event (Qnil, Qnil);
|
|
|
2311 event = XEVENT(emacs_event);
|
|
|
2312
|
|
|
2313 GCPRO3 (emacs_event, l_dndlist, l_item);
|
|
|
2314
|
|
|
2315 if (!DragQueryPoint ((HANDLE) wParam, &point))
|
|
|
2316 point.x = point.y = -1; /* outside client area */
|
|
|
2317
|
|
|
2318 event->event_type = misc_user_event;
|
|
|
2319 event->channel = mswindows_find_frame(hwnd);
|
|
|
2320 event->timestamp = GetMessageTime();
|
|
|
2321 event->event.misc.button = 1; /* #### Should try harder */
|
|
|
2322 event->event.misc.modifiers = mswindows_modifier_state (NULL, 0);
|
|
|
2323 event->event.misc.x = point.x;
|
|
|
2324 event->event.misc.y = point.y;
|
|
|
2325 event->event.misc.function = Qdragdrop_drop_dispatch;
|
|
|
2326
|
|
|
2327 filecount = DragQueryFile ((HANDLE) wParam, 0xffffffff, NULL, 0);
|
|
|
2328 for (i=0; i<filecount; i++)
|
|
|
2329 {
|
|
|
2330 len = DragQueryFile ((HANDLE) wParam, i, NULL, 0);
|
|
|
2331 /* The URLs that we make here aren't correct according to section
|
|
|
2332 * 3.10 of rfc1738 because they're missing the //<host>/ part and
|
|
|
2333 * because they may contain reserved characters. But that's OK. */
|
|
|
2334 #ifdef __CYGWIN32__
|
|
|
2335 fname = (char *)xmalloc (len+1);
|
|
|
2336 DragQueryFile ((HANDLE) wParam, i, fname, len+1);
|
|
|
2337 filename = xmalloc (cygwin32_win32_to_posix_path_list_buf_size (fname) + 5);
|
|
|
2338 strcpy (filename, "file:");
|
|
|
2339 cygwin32_win32_to_posix_path_list (fname, filename+5);
|
|
|
2340 xfree (fname);
|
|
|
2341 #else
|
|
|
2342 filename = (char *)xmalloc (len+6);
|
|
|
2343 strcpy (filename, "file:");
|
|
|
2344 DragQueryFile ((HANDLE) wParam, i, filename+5, len+1);
|
|
|
2345 dostounix_filename (filename+5);
|
|
|
2346 #endif
|
|
|
2347 l_item = make_string (filename, strlen (filename));
|
|
|
2348 l_dndlist = Fcons (l_item, l_dndlist);
|
|
|
2349 xfree (filename);
|
|
|
2350 }
|
|
|
2351 DragFinish ((HANDLE) wParam);
|
|
|
2352
|
|
|
2353 event->event.misc.object = Fcons (Qdragdrop_URL, l_dndlist);
|
|
|
2354 mswindows_enqueue_dispatch_event (emacs_event);
|
|
|
2355 UNGCPRO;
|
|
|
2356 }
|
|
|
2357 break;
|
|
|
2358 #endif
|
|
|
2359
|
|
|
2360 defproc:
|
|
|
2361 default:
|
|
|
2362 return DefWindowProc (hwnd, message, wParam, lParam);
|
|
|
2363 }
|
|
|
2364 return (0);
|
|
|
2365 }
|
|
|
2366
|
|
|
2367
|
|
|
2368 /************************************************************************/
|
|
|
2369 /* keyboard, mouse & other helpers for the windows procedure */
|
|
|
2370 /************************************************************************/
|
|
|
2371 static void
|
|
|
2372 mswindows_set_chord_timer (HWND hwnd)
|
|
|
2373 {
|
|
|
2374 int interval;
|
|
|
2375
|
|
|
2376 /* We get one third half system double click threshold */
|
|
|
2377 if (mswindows_mouse_button_tolerance <= 0)
|
|
|
2378 interval = GetDoubleClickTime () / 3;
|
|
|
2379 else
|
|
|
2380 interval = mswindows_mouse_button_tolerance;
|
|
|
2381
|
|
|
2382 SetTimer (hwnd, BUTTON_2_TIMER_ID, interval, 0);
|
|
|
2383 }
|
|
|
2384
|
|
|
2385 static int
|
|
|
2386 mswindows_button2_near_enough (POINTS p1, POINTS p2)
|
|
|
2387 {
|
|
|
2388 int dx, dy;
|
|
|
2389 if (mswindows_mouse_button_max_skew_x <= 0)
|
|
|
2390 dx = GetSystemMetrics (SM_CXDOUBLECLK) / 2;
|
|
|
2391 else
|
|
|
2392 dx = mswindows_mouse_button_max_skew_x;
|
|
|
2393
|
|
|
2394 if (mswindows_mouse_button_max_skew_y <= 0)
|
|
|
2395 dy = GetSystemMetrics (SM_CYDOUBLECLK) / 2;
|
|
|
2396 else
|
|
|
2397 dy = mswindows_mouse_button_max_skew_y;
|
|
|
2398
|
|
|
2399 return abs (p1.x - p2.x) < dx && abs (p1.y- p2.y)< dy;
|
|
|
2400 }
|
|
|
2401
|
|
|
2402 static int
|
|
|
2403 mswindows_current_layout_has_AltGr (void)
|
|
|
2404 {
|
|
|
2405 /* This simple caching mechanism saves 10% of CPU
|
|
|
2406 time when a key typed at autorepeat rate of 30 cps! */
|
|
|
2407 static HKL last_hkl = 0;
|
|
|
2408 static int last_hkl_has_AltGr;
|
|
|
2409
|
|
|
2410 HKL current_hkl = GetKeyboardLayout (0);
|
|
|
2411 if (current_hkl != last_hkl)
|
|
|
2412 {
|
|
|
2413 TCHAR c;
|
|
|
2414 last_hkl_has_AltGr = 0;
|
|
|
2415 /* In this loop, we query whether a character requires
|
|
|
2416 AltGr to be down to generate it. If at least such one
|
|
|
2417 found, this means that the layout does regard AltGr */
|
|
|
2418 for (c = ' '; c <= 0xFFU && c != 0 && !last_hkl_has_AltGr; ++c)
|
|
|
2419 if (HIBYTE (VkKeyScan (c)) == 6)
|
|
|
2420 last_hkl_has_AltGr = 1;
|
|
|
2421 last_hkl = current_hkl;
|
|
|
2422 }
|
|
|
2423 return last_hkl_has_AltGr;
|
|
|
2424 }
|
|
|
2425
|
|
|
2426
|
|
|
2427 /* Returns the state of the modifier keys in the format expected by the
|
|
|
2428 * Lisp_Event key_data, button_data and motion_data modifiers member */
|
|
|
2429 int mswindows_modifier_state (BYTE* keymap, int has_AltGr)
|
|
|
2430 {
|
|
|
2431 int mods = 0;
|
|
|
2432
|
|
|
2433 if (keymap == NULL)
|
|
|
2434 {
|
|
|
2435 keymap = (BYTE*) alloca(256);
|
|
|
2436 GetKeyboardState (keymap);
|
|
|
2437 has_AltGr = mswindows_current_layout_has_AltGr ();
|
|
|
2438 }
|
|
|
2439
|
|
|
2440 if (has_AltGr && (keymap [VK_LCONTROL] & 0x80) && (keymap [VK_RMENU] & 0x80))
|
|
|
2441 {
|
|
|
2442 mods |= (keymap [VK_LMENU] & 0x80) ? MOD_META : 0;
|
|
|
2443 mods |= (keymap [VK_RCONTROL] & 0x80) ? MOD_CONTROL : 0;
|
|
|
2444 }
|
|
|
2445 else
|
|
|
2446 {
|
|
|
2447 mods |= (keymap [VK_MENU] & 0x80) ? MOD_META : 0;
|
|
|
2448 mods |= (keymap [VK_CONTROL] & 0x80) ? MOD_CONTROL : 0;
|
|
|
2449 }
|
|
|
2450
|
|
|
2451 mods |= (keymap [VK_SHIFT] & 0x80) ? MOD_SHIFT : 0;
|
|
|
2452
|
|
|
2453 return mods;
|
|
|
2454 }
|
|
|
2455
|
|
|
2456 /*
|
|
|
2457 * Translate a mswindows virtual key to a keysym.
|
|
|
2458 * Only returns non-Qnil for keys that don't generate WM_CHAR messages
|
|
|
2459 * or whose ASCII codes (like space) xemacs doesn't like.
|
|
|
2460 * Virtual key values are defined in winresrc.h
|
|
|
2461 */
|
|
|
2462 Lisp_Object mswindows_key_to_emacs_keysym (int mswindows_key, int mods,
|
|
|
2463 int extendedp)
|
|
|
2464 {
|
|
|
2465 if (extendedp) /* Keys not present on a 82 key keyboard */
|
|
|
2466 {
|
|
|
2467 switch (mswindows_key)
|
|
|
2468 {
|
|
|
2469 case VK_RETURN: return KEYSYM ("kp-enter");
|
|
|
2470 case VK_PRIOR: return KEYSYM ("prior");
|
|
|
2471 case VK_NEXT: return KEYSYM ("next");
|
|
|
2472 case VK_END: return KEYSYM ("end");
|
|
|
2473 case VK_HOME: return KEYSYM ("home");
|
|
|
2474 case VK_LEFT: return KEYSYM ("left");
|
|
|
2475 case VK_UP: return KEYSYM ("up");
|
|
|
2476 case VK_RIGHT: return KEYSYM ("right");
|
|
|
2477 case VK_DOWN: return KEYSYM ("down");
|
|
|
2478 case VK_INSERT: return KEYSYM ("insert");
|
|
|
2479 case VK_DELETE: return QKdelete;
|
|
|
2480 }
|
|
|
2481 }
|
|
|
2482 else
|
|
|
2483 {
|
|
|
2484 switch (mswindows_key)
|
|
|
2485 {
|
|
|
2486 case VK_BACK: return QKbackspace;
|
|
|
2487 case VK_TAB: return QKtab;
|
|
|
2488 case '\n': return QKlinefeed;
|
|
|
2489 case VK_CLEAR: return KEYSYM ("clear");
|
|
|
2490 case VK_RETURN: return QKreturn;
|
|
|
2491 case VK_ESCAPE: return QKescape;
|
|
|
2492 case VK_SPACE: return QKspace;
|
|
|
2493 case VK_PRIOR: return KEYSYM ("kp-prior");
|
|
|
2494 case VK_NEXT: return KEYSYM ("kp-next");
|
|
|
2495 case VK_END: return KEYSYM ("kp-end");
|
|
|
2496 case VK_HOME: return KEYSYM ("kp-home");
|
|
|
2497 case VK_LEFT: return KEYSYM ("kp-left");
|
|
|
2498 case VK_UP: return KEYSYM ("kp-up");
|
|
|
2499 case VK_RIGHT: return KEYSYM ("kp-right");
|
|
|
2500 case VK_DOWN: return KEYSYM ("kp-down");
|
|
|
2501 case VK_SELECT: return KEYSYM ("select");
|
|
|
2502 case VK_PRINT: return KEYSYM ("print");
|
|
|
2503 case VK_EXECUTE: return KEYSYM ("execute");
|
|
|
2504 case VK_SNAPSHOT: return KEYSYM ("print");
|
|
|
2505 case VK_INSERT: return KEYSYM ("kp-insert");
|
|
|
2506 case VK_DELETE: return KEYSYM ("kp-delete");
|
|
|
2507 case VK_HELP: return KEYSYM ("help");
|
|
|
2508 #if 0 /* FSF Emacs allows these to return configurable syms/mods */
|
|
|
2509 case VK_LWIN return KEYSYM ("");
|
|
|
2510 case VK_RWIN return KEYSYM ("");
|
|
|
2511 #endif
|
|
|
2512 case VK_APPS: return KEYSYM ("menu");
|
|
|
2513 case VK_NUMPAD0: return KEYSYM ("kp-0");
|
|
|
2514 case VK_NUMPAD1: return KEYSYM ("kp-1");
|
|
|
2515 case VK_NUMPAD2: return KEYSYM ("kp-2");
|
|
|
2516 case VK_NUMPAD3: return KEYSYM ("kp-3");
|
|
|
2517 case VK_NUMPAD4: return KEYSYM ("kp-4");
|
|
|
2518 case VK_NUMPAD5: return KEYSYM ("kp-5");
|
|
|
2519 case VK_NUMPAD6: return KEYSYM ("kp-6");
|
|
|
2520 case VK_NUMPAD7: return KEYSYM ("kp-7");
|
|
|
2521 case VK_NUMPAD8: return KEYSYM ("kp-8");
|
|
|
2522 case VK_NUMPAD9: return KEYSYM ("kp-9");
|
|
|
2523 case VK_MULTIPLY: return KEYSYM ("kp-multiply");
|
|
|
2524 case VK_ADD: return KEYSYM ("kp-add");
|
|
|
2525 case VK_SEPARATOR: return KEYSYM ("kp-separator");
|
|
|
2526 case VK_SUBTRACT: return KEYSYM ("kp-subtract");
|
|
|
2527 case VK_DECIMAL: return KEYSYM ("kp-decimal");
|
|
|
2528 case VK_DIVIDE: return KEYSYM ("kp-divide");
|
|
|
2529 case VK_F1: return KEYSYM ("f1");
|
|
|
2530 case VK_F2: return KEYSYM ("f2");
|
|
|
2531 case VK_F3: return KEYSYM ("f3");
|
|
|
2532 case VK_F4: return KEYSYM ("f4");
|
|
|
2533 case VK_F5: return KEYSYM ("f5");
|
|
|
2534 case VK_F6: return KEYSYM ("f6");
|
|
|
2535 case VK_F7: return KEYSYM ("f7");
|
|
|
2536 case VK_F8: return KEYSYM ("f8");
|
|
|
2537 case VK_F9: return KEYSYM ("f9");
|
|
|
2538 case VK_F10: return KEYSYM ("f10");
|
|
|
2539 case VK_F11: return KEYSYM ("f11");
|
|
|
2540 case VK_F12: return KEYSYM ("f12");
|
|
|
2541 case VK_F13: return KEYSYM ("f13");
|
|
|
2542 case VK_F14: return KEYSYM ("f14");
|
|
|
2543 case VK_F15: return KEYSYM ("f15");
|
|
|
2544 case VK_F16: return KEYSYM ("f16");
|
|
|
2545 case VK_F17: return KEYSYM ("f17");
|
|
|
2546 case VK_F18: return KEYSYM ("f18");
|
|
|
2547 case VK_F19: return KEYSYM ("f19");
|
|
|
2548 case VK_F20: return KEYSYM ("f20");
|
|
|
2549 case VK_F21: return KEYSYM ("f21");
|
|
|
2550 case VK_F22: return KEYSYM ("f22");
|
|
|
2551 case VK_F23: return KEYSYM ("f23");
|
|
|
2552 case VK_F24: return KEYSYM ("f24");
|
|
|
2553 }
|
|
|
2554 }
|
|
|
2555 return Qnil;
|
|
|
2556 }
|
|
|
2557
|
|
|
2558 /*
|
|
|
2559 * Find the console that matches the supplied mswindows window handle
|
|
|
2560 */
|
|
|
2561 Lisp_Object
|
|
|
2562 mswindows_find_console (HWND hwnd)
|
|
|
2563 {
|
|
|
2564 /* We only support one console */
|
|
|
2565 return XCAR (Vconsole_list);
|
|
|
2566 }
|
|
|
2567
|
|
|
2568 /*
|
|
|
2569 * Find the frame that matches the supplied mswindows window handle
|
|
|
2570 */
|
|
|
2571 static Lisp_Object
|
|
|
2572 mswindows_find_frame (HWND hwnd)
|
|
|
2573 {
|
|
|
2574 LONG l = GetWindowLong (hwnd, XWL_FRAMEOBJ);
|
|
|
2575 Lisp_Object f;
|
|
|
2576 if (l == 0)
|
|
|
2577 {
|
|
|
2578 /* We are in progress of frame creation. Return the frame
|
|
|
2579 being created, as it still not remembered in the window
|
|
|
2580 extra storage. */
|
|
|
2581 assert (!NILP (Vmswindows_frame_being_created));
|
|
|
2582 return Vmswindows_frame_being_created;
|
|
|
2583 }
|
|
|
2584 VOID_TO_LISP (f, l);
|
|
|
2585 return f;
|
|
|
2586 }
|
|
|
2587
|
|
|
2588
|
|
|
2589 /************************************************************************/
|
|
|
2590 /* methods */
|
|
|
2591 /************************************************************************/
|
|
|
2592
|
|
|
2593 static int
|
|
|
2594 emacs_mswindows_add_timeout (EMACS_TIME thyme)
|
|
|
2595 {
|
|
|
2596 int milliseconds;
|
|
|
2597 EMACS_TIME current_time;
|
|
|
2598 EMACS_GET_TIME (current_time);
|
|
|
2599 EMACS_SUB_TIME (thyme, thyme, current_time);
|
|
|
2600 milliseconds = EMACS_SECS (thyme) * 1000 +
|
|
|
2601 (EMACS_USECS (thyme) + 500) / 1000;
|
|
|
2602 if (milliseconds < 1)
|
|
|
2603 milliseconds = 1;
|
|
|
2604 ++mswindows_pending_timers_count;
|
|
|
2605 return SetTimer (NULL, 0, milliseconds,
|
|
|
2606 (TIMERPROC) mswindows_wm_timer_callback);
|
|
|
2607 }
|
|
|
2608
|
|
|
2609 static void
|
|
|
2610 emacs_mswindows_remove_timeout (int id)
|
|
|
2611 {
|
|
|
2612 struct Lisp_Event match_against;
|
|
|
2613 Lisp_Object emacs_event;
|
|
|
2614
|
|
|
2615 if (KillTimer (NULL, id))
|
|
|
2616 --mswindows_pending_timers_count;
|
|
|
2617
|
|
|
2618 /* If there is a dispatch event generated by this
|
|
|
2619 timeout in the queue, we have to remove it too. */
|
|
|
2620 match_against.event_type = timeout_event;
|
|
|
2621 match_against.event.timeout.interval_id = id;
|
|
|
2622 emacs_event = mswindows_cancel_dispatch_event (&match_against);
|
|
|
2623 if (!NILP (emacs_event))
|
|
|
2624 Fdeallocate_event(emacs_event);
|
|
|
2625 }
|
|
|
2626
|
|
|
2627 /* If `user_p' is false, then return whether there are any win32, timeout,
|
|
|
2628 * or subprocess events pending (that is, whether
|
|
|
2629 * emacs_mswindows_next_event() would return immediately without blocking).
|
|
|
2630 *
|
|
|
2631 * if `user_p' is true, then return whether there are any *user generated*
|
|
|
2632 * events available (that is, whether there are keyboard or mouse-click
|
|
|
2633 * events ready to be read). This also implies that
|
|
|
2634 * emacs_mswindows_next_event() would not block.
|
|
|
2635 */
|
|
|
2636 static int
|
|
|
2637 emacs_mswindows_event_pending_p (int user_p)
|
|
|
2638 {
|
|
|
2639 mswindows_need_event (0);
|
|
|
2640 return (!NILP (mswindows_u_dispatch_event_queue)
|
|
|
2641 || (!user_p && !NILP (mswindows_s_dispatch_event_queue)));
|
|
|
2642 }
|
|
|
2643
|
|
|
2644 /*
|
|
|
2645 * Return the next event
|
|
|
2646 */
|
|
|
2647 static void
|
|
|
2648 emacs_mswindows_next_event (struct Lisp_Event *emacs_event)
|
|
|
2649 {
|
|
|
2650 Lisp_Object event, event2;
|
|
|
2651
|
|
|
2652 mswindows_need_event (1);
|
|
|
2653
|
|
|
2654 event = mswindows_dequeue_dispatch_event ();
|
|
|
2655 XSETEVENT (event2, emacs_event);
|
|
|
2656 Fcopy_event (event, event2);
|
|
|
2657 Fdeallocate_event (event);
|
|
|
2658 }
|
|
|
2659
|
|
|
2660 /*
|
|
|
2661 * Handle a magic event off the dispatch queue.
|
|
|
2662 */
|
|
|
2663 static void
|
|
|
2664 emacs_mswindows_handle_magic_event (struct Lisp_Event *emacs_event)
|
|
|
2665 {
|
|
|
2666 switch (EVENT_MSWINDOWS_MAGIC_TYPE(emacs_event))
|
|
|
2667 {
|
|
|
2668 case XM_BUMPQUEUE:
|
|
|
2669 break;
|
|
|
2670
|
|
|
2671 case WM_SETFOCUS:
|
|
|
2672 case WM_KILLFOCUS:
|
|
|
2673 {
|
|
|
2674 Lisp_Object frame = EVENT_CHANNEL (emacs_event);
|
|
|
2675 struct frame *f = XFRAME (frame);
|
|
|
2676 int in_p = (EVENT_MSWINDOWS_MAGIC_TYPE(emacs_event) == WM_SETFOCUS);
|
|
|
2677 Lisp_Object conser;
|
|
|
2678
|
|
|
2679 /* struct gcpro gcpro1; */
|
|
|
2680
|
|
|
2681 /* Clear sticky modifiers here (if we had any) */
|
|
|
2682
|
|
|
2683 conser = Fcons (frame, Fcons (FRAME_DEVICE (f), in_p ? Qt : Qnil));
|
|
|
2684 /* GCPRO1 (conser); XXX Not necessary? */
|
|
|
2685 emacs_handle_focus_change_preliminary (conser);
|
|
|
2686 /* Under X the stuff up to here is done in the X event handler.
|
|
|
2687 I Don't know why */
|
|
|
2688 emacs_handle_focus_change_final (conser);
|
|
|
2689 /* UNGCPRO; */
|
|
|
2690
|
|
|
2691 }
|
|
|
2692 break;
|
|
|
2693
|
|
|
2694 case XM_MAPFRAME:
|
|
|
2695 case XM_UNMAPFRAME:
|
|
|
2696 {
|
|
|
2697 Lisp_Object frame = EVENT_CHANNEL (emacs_event);
|
|
|
2698 va_run_hook_with_args (EVENT_MSWINDOWS_MAGIC_TYPE(emacs_event)
|
|
|
2699 == XM_MAPFRAME ?
|
|
|
2700 Qmap_frame_hook : Qunmap_frame_hook,
|
|
|
2701 1, frame);
|
|
|
2702 }
|
|
|
2703 break;
|
|
|
2704
|
|
|
2705 /* #### What about Enter & Leave */
|
|
|
2706 #if 0
|
|
|
2707 va_run_hook_with_args (in_p ? Qmouse_enter_frame_hook :
|
|
|
2708 Qmouse_leave_frame_hook, 1, frame);
|
|
|
2709 #endif
|
|
|
2710
|
|
|
2711 default:
|
|
|
2712 assert(0);
|
|
|
2713 }
|
|
|
2714 }
|
|
|
2715
|
|
|
2716 #ifndef HAVE_MSG_SELECT
|
|
|
2717 static HANDLE
|
|
|
2718 get_process_input_waitable (struct Lisp_Process *process)
|
|
|
2719 {
|
|
|
2720 Lisp_Object instr, outstr, p;
|
|
|
2721 XSETPROCESS (p, process);
|
|
|
2722 get_process_streams (process, &instr, &outstr);
|
|
|
2723 assert (!NILP (instr));
|
|
|
2724 #if defined (HAVE_SOCKETS) && !defined(HAVE_MSG_SELECT)
|
|
|
2725 return (network_connection_p (p)
|
|
|
2726 ? get_winsock_stream_waitable (XLSTREAM (instr))
|
|
|
2727 : get_ntpipe_input_stream_waitable (XLSTREAM (instr)));
|
|
|
2728 #else
|
|
|
2729 return get_ntpipe_input_stream_waitable (XLSTREAM (instr));
|
|
|
2730 #endif
|
|
|
2731 }
|
|
|
2732
|
|
|
2733 static void
|
|
|
2734 emacs_mswindows_select_process (struct Lisp_Process *process)
|
|
|
2735 {
|
|
|
2736 HANDLE hev = get_process_input_waitable (process);
|
|
|
2737
|
|
|
2738 if (!add_waitable_handle (hev))
|
|
|
2739 error ("Too many active processes");
|
|
|
2740
|
|
|
2741 #ifdef HAVE_WIN32_PROCESSES
|
|
|
2742 {
|
|
|
2743 Lisp_Object p;
|
|
|
2744 XSETPROCESS (p, process);
|
|
|
2745 if (!network_connection_p (p))
|
|
|
2746 {
|
|
|
2747 HANDLE hprocess = get_nt_process_handle (process);
|
|
|
2748 if (!add_waitable_handle (hprocess))
|
|
|
2749 {
|
|
|
2750 remove_waitable_handle (hev);
|
|
|
2751 error ("Too many active processes");
|
|
|
2752 }
|
|
|
2753 }
|
|
|
2754 }
|
|
|
2755 #endif
|
|
|
2756 }
|
|
|
2757
|
|
|
2758 static void
|
|
|
2759 emacs_mswindows_unselect_process (struct Lisp_Process *process)
|
|
|
2760 {
|
|
|
2761 /* Process handle is removed in the event loop as soon
|
|
|
2762 as it is signaled, so don't bother here about it */
|
|
|
2763 HANDLE hev = get_process_input_waitable (process);
|
|
|
2764 remove_waitable_handle (hev);
|
|
|
2765 }
|
|
|
2766 #endif /* HAVE_MSG_SELECT */
|
|
|
2767
|
|
|
2768 static void
|
|
|
2769 emacs_mswindows_select_console (struct console *con)
|
|
|
2770 {
|
|
|
2771 #ifdef HAVE_MSG_SELECT
|
|
|
2772 if (CONSOLE_MSWINDOWS_P (con))
|
|
|
2773 return; /* mswindows consoles are automatically selected */
|
|
|
2774
|
|
|
2775 event_stream_unixoid_select_console (con);
|
|
|
2776 #endif
|
|
|
2777 }
|
|
|
2778
|
|
|
2779 static void
|
|
|
2780 emacs_mswindows_unselect_console (struct console *con)
|
|
|
2781 {
|
|
|
2782 #ifdef HAVE_MSG_SELECT
|
|
|
2783 if (CONSOLE_MSWINDOWS_P (con))
|
|
|
2784 return; /* mswindows consoles are automatically selected */
|
|
|
2785
|
|
|
2786 event_stream_unixoid_unselect_console (con);
|
|
|
2787 #endif
|
|
|
2788 }
|
|
|
2789
|
|
|
2790 static void
|
|
|
2791 emacs_mswindows_quit_p (void)
|
|
|
2792 {
|
|
|
2793 MSG msg;
|
|
|
2794
|
|
|
2795 /* Quit cannot happen in modal loop: all program
|
|
|
2796 input is dedicated to Windows. */
|
|
|
2797 if (mswindows_in_modal_loop)
|
|
|
2798 return;
|
|
|
2799
|
|
|
2800 /* Drain windows queue. This sets up number of quit characters in the queue
|
|
|
2801 * (and also processes wm focus change, move, resize, etc messages).
|
|
|
2802 * We don't want to process WM_PAINT messages because this function can be
|
|
|
2803 * called from almost anywhere and the windows' states may be changing. */
|
|
|
2804 while (PeekMessage (&msg, NULL, 0, WM_PAINT-1, PM_REMOVE) ||
|
|
|
2805 PeekMessage (&msg, NULL, WM_PAINT+1, WM_USER-1, PM_REMOVE))
|
|
|
2806 DispatchMessage (&msg);
|
|
|
2807
|
|
|
2808 if (mswindows_quit_chars_count > 0)
|
|
|
2809 {
|
|
|
2810 /* Yes there's a hidden one... Throw it away */
|
|
|
2811 struct Lisp_Event match_against;
|
|
|
2812 Lisp_Object emacs_event;
|
|
|
2813
|
|
|
2814 match_against.event_type = key_press_event;
|
|
|
2815 match_against.event.key.modifiers = FAKE_MOD_QUIT;
|
|
|
2816
|
|
|
2817 emacs_event = mswindows_cancel_dispatch_event (&match_against);
|
|
|
2818 assert (!NILP (emacs_event));
|
|
|
2819
|
|
|
2820 Vquit_flag = (XEVENT(emacs_event)->event.key.modifiers & MOD_SHIFT
|
|
|
2821 ? Qcritical : Qt);
|
|
|
2822
|
|
|
2823 Fdeallocate_event(emacs_event);
|
|
|
2824 --mswindows_quit_chars_count;
|
|
|
2825 }
|
|
|
2826 }
|
|
|
2827
|
|
|
2828 USID
|
|
|
2829 emacs_mswindows_create_stream_pair (void* inhandle, void* outhandle,
|
|
|
2830 Lisp_Object* instream,
|
|
|
2831 Lisp_Object* outstream,
|
|
|
2832 int flags)
|
|
|
2833 {
|
|
|
2834 /* Handles for streams */
|
|
|
2835 HANDLE hin, hout;
|
|
|
2836 /* fds. These just stored along with the streams, and are closed in
|
|
|
2837 delete stream pair method, because we need to handle fake unices
|
|
|
2838 here. */
|
|
|
2839 int fdi, fdo;
|
|
|
2840
|
|
|
2841 /* Decode inhandle and outhandle. Their meaning depends on
|
|
|
2842 the process implementation being used. */
|
|
|
2843 #if defined (HAVE_WIN32_PROCESSES)
|
|
|
2844 /* We're passed in Windows handles. That's what we like most... */
|
|
|
2845 hin = (HANDLE) inhandle;
|
|
|
2846 hout = (HANDLE) outhandle;
|
|
|
2847 fdi = fdo = -1;
|
|
|
2848 #elif defined (HAVE_UNIX_PROCESSES)
|
|
|
2849 /* We are passed UNIX fds. This must be Cygwin.
|
|
|
2850 Fetch os handles */
|
|
|
2851 hin = inhandle >= 0 ? (HANDLE)get_osfhandle ((int)inhandle) : INVALID_HANDLE_VALUE;
|
|
|
2852 hout = outhandle >= 0 ? (HANDLE)get_osfhandle ((int)outhandle) : INVALID_HANDLE_VALUE;
|
|
|
2853 fdi=(int)inhandle;
|
|
|
2854 fdo=(int)outhandle;
|
|
|
2855 #else
|
|
|
2856 #error "So, WHICH kind of processes do you want?"
|
|
|
2857 #endif
|
|
|
2858
|
|
|
2859 *instream = (hin == INVALID_HANDLE_VALUE
|
|
|
2860 ? Qnil
|
|
|
2861 #if defined (HAVE_SOCKETS) && !defined (HAVE_MSG_SELECT)
|
|
|
2862 : flags & STREAM_NETWORK_CONNECTION
|
|
|
2863 ? make_winsock_input_stream ((SOCKET)hin, fdi)
|
|
|
2864 #endif
|
|
|
2865 : make_ntpipe_input_stream (hin, fdi));
|
|
|
2866
|
|
|
2867 #ifdef HAVE_WIN32_PROCESSES
|
|
|
2868 *outstream = (hout == INVALID_HANDLE_VALUE
|
|
|
2869 ? Qnil
|
|
|
2870 #if defined (HAVE_SOCKETS) && !defined (HAVE_MSG_SELECT)
|
|
|
2871 : flags & STREAM_NETWORK_CONNECTION
|
|
|
2872 ? make_winsock_output_stream ((SOCKET)hout, fdo)
|
|
|
2873 #endif
|
|
|
2874 : make_ntpipe_output_stream (hout, fdo));
|
|
|
2875 #elif defined (HAVE_UNIX_PROCESSES)
|
|
|
2876 *outstream = (fdo >= 0
|
|
|
2877 ? make_filedesc_output_stream (fdo, 0, -1, LSTR_BLOCKED_OK)
|
|
|
2878 : Qnil);
|
|
|
2879
|
|
|
2880 #if defined(HAVE_UNIX_PROCESSES) && defined(HAVE_PTYS)
|
|
|
2881 /* FLAGS is process->pty_flag for UNIX_PROCESSES */
|
|
|
2882 if ((flags & STREAM_PTY_FLUSHING) && fdo >= 0)
|
|
|
2883 {
|
|
|
2884 Bufbyte eof_char = get_eof_char (fdo);
|
|
|
2885 int pty_max_bytes = get_pty_max_bytes (fdo);
|
|
|
2886 filedesc_stream_set_pty_flushing (XLSTREAM(*outstream), pty_max_bytes, eof_char);
|
|
|
2887 }
|
|
|
2888 #endif
|
|
|
2889 #endif
|
|
|
2890
|
|
|
2891 return (NILP (*instream)
|
|
|
2892 ? USID_ERROR
|
|
|
2893 #if defined(HAVE_SOCKETS) && !defined(HAVE_MSG_SELECT)
|
|
|
2894 : flags & STREAM_NETWORK_CONNECTION
|
|
|
2895 ? HANDLE_TO_USID (get_winsock_stream_waitable (XLSTREAM (*instream)))
|
|
|
2896 #endif
|
|
|
2897 : HANDLE_TO_USID (get_ntpipe_input_stream_waitable (XLSTREAM (*instream))));
|
|
|
2898 }
|
|
|
2899
|
|
|
2900 USID
|
|
|
2901 emacs_mswindows_delete_stream_pair (Lisp_Object instream,
|
|
|
2902 Lisp_Object outstream)
|
|
|
2903 {
|
|
|
2904 /* Oh nothing special here for Win32 at all */
|
|
|
2905 #if defined (HAVE_UNIX_PROCESSES)
|
|
|
2906 int in = (NILP(instream)
|
|
|
2907 ? -1
|
|
|
2908 #if defined(HAVE_SOCKETS) && !defined(HAVE_MSG_SELECT)
|
|
|
2909 : LSTREAM_TYPE_P (XLSTREAM (instream), winsock)
|
|
|
2910 ? get_winsock_stream_param (XLSTREAM (instream))
|
|
|
2911 #endif
|
|
|
2912 : get_ntpipe_input_stream_param (XLSTREAM (instream)));
|
|
|
2913 int out = (NILP(outstream) ? -1
|
|
|
2914 : filedesc_stream_fd (XLSTREAM (outstream)));
|
|
|
2915
|
|
|
2916 if (in >= 0)
|
|
|
2917 close (in);
|
|
|
2918 if (out != in && out >= 0)
|
|
|
2919 close (out);
|
|
|
2920 #endif
|
|
|
2921
|
|
|
2922 return (NILP (instream)
|
|
|
2923 ? USID_DONTHASH
|
|
|
2924 #if defined(HAVE_SOCKETS) && !defined(HAVE_MSG_SELECT)
|
|
|
2925 : LSTREAM_TYPE_P (XLSTREAM (instream), winsock)
|
|
|
2926 ? HANDLE_TO_USID (get_winsock_stream_waitable (XLSTREAM (instream)))
|
|
|
2927 #endif
|
|
|
2928 : HANDLE_TO_USID (get_ntpipe_input_stream_waitable (XLSTREAM (instream))));
|
|
|
2929 }
|
|
|
2930
|
|
|
2931 #ifndef HAVE_X_WINDOWS
|
|
|
2932 /* This is called from GC when a process object is about to be freed.
|
|
|
2933 If we've still got pointers to it in this file, we're gonna lose hard.
|
|
|
2934 */
|
|
|
2935 void
|
|
|
2936 debug_process_finalization (struct Lisp_Process *p)
|
|
|
2937 {
|
|
|
2938 #if 0 /* #### */
|
|
|
2939 Lisp_Object instr, outstr;
|
|
|
2940
|
|
|
2941 get_process_streams (p, &instr, &outstr);
|
|
|
2942 /* if it still has fds, then it hasn't been killed yet. */
|
|
|
2943 assert (NILP(instr));
|
|
|
2944 assert (NILP(outstr));
|
|
|
2945
|
|
|
2946 /* #### More checks here */
|
|
|
2947 #endif
|
|
|
2948 }
|
|
|
2949 #endif
|
|
|
2950
|
|
|
2951 /************************************************************************/
|
|
|
2952 /* initialization */
|
|
|
2953 /************************************************************************/
|
|
|
2954
|
|
|
2955 void
|
|
|
2956 reinit_vars_of_event_mswindows (void)
|
|
|
2957 {
|
|
|
2958 mswindows_in_modal_loop = 0;
|
|
|
2959 mswindows_pending_timers_count = 0;
|
|
|
2960
|
|
|
2961 mswindows_event_stream = xnew (struct event_stream);
|
|
|
2962
|
|
|
2963 mswindows_event_stream->event_pending_p = emacs_mswindows_event_pending_p;
|
|
|
2964 mswindows_event_stream->next_event_cb = emacs_mswindows_next_event;
|
|
|
2965 mswindows_event_stream->handle_magic_event_cb = emacs_mswindows_handle_magic_event;
|
|
|
2966 mswindows_event_stream->add_timeout_cb = emacs_mswindows_add_timeout;
|
|
|
2967 mswindows_event_stream->remove_timeout_cb = emacs_mswindows_remove_timeout;
|
|
|
2968 mswindows_event_stream->quit_p_cb = emacs_mswindows_quit_p;
|
|
|
2969 mswindows_event_stream->select_console_cb = emacs_mswindows_select_console;
|
|
|
2970 mswindows_event_stream->unselect_console_cb = emacs_mswindows_unselect_console;
|
|
|
2971 #ifdef HAVE_MSG_SELECT
|
|
|
2972 mswindows_event_stream->select_process_cb =
|
|
|
2973 (void (*)(struct Lisp_Process*))event_stream_unixoid_select_process;
|
|
|
2974 mswindows_event_stream->unselect_process_cb =
|
|
|
2975 (void (*)(struct Lisp_Process*))event_stream_unixoid_unselect_process;
|
|
|
2976 mswindows_event_stream->create_stream_pair_cb = event_stream_unixoid_create_stream_pair;
|
|
|
2977 mswindows_event_stream->delete_stream_pair_cb = event_stream_unixoid_delete_stream_pair;
|
|
|
2978 #else
|
|
|
2979 mswindows_event_stream->select_process_cb = emacs_mswindows_select_process;
|
|
|
2980 mswindows_event_stream->unselect_process_cb = emacs_mswindows_unselect_process;
|
|
|
2981 mswindows_event_stream->create_stream_pair_cb = emacs_mswindows_create_stream_pair;
|
|
|
2982 mswindows_event_stream->delete_stream_pair_cb = emacs_mswindows_delete_stream_pair;
|
|
|
2983 #endif
|
|
|
2984 }
|
|
|
2985
|
|
|
2986 void
|
|
|
2987 vars_of_event_mswindows (void)
|
|
|
2988 {
|
|
|
2989 reinit_vars_of_event_mswindows ();
|
|
|
2990
|
|
|
2991 mswindows_u_dispatch_event_queue = Qnil;
|
|
|
2992 staticpro (&mswindows_u_dispatch_event_queue);
|
|
|
2993 mswindows_u_dispatch_event_queue_tail = Qnil;
|
|
|
2994 pdump_wire (&mswindows_u_dispatch_event_queue_tail);
|
|
|
2995
|
|
|
2996 mswindows_s_dispatch_event_queue = Qnil;
|
|
|
2997 staticpro (&mswindows_s_dispatch_event_queue);
|
|
|
2998 mswindows_s_dispatch_event_queue_tail = Qnil;
|
|
|
2999 pdump_wire (&mswindows_u_dispatch_event_queue_tail);
|
|
|
3000
|
|
|
3001 mswindows_error_caught_in_modal_loop = Qnil;
|
|
|
3002 staticpro (&mswindows_error_caught_in_modal_loop);
|
|
|
3003
|
|
|
3004 DEFVAR_BOOL ("mswindows-meta-activates-menu", &mswindows_meta_activates_menu /*
|
|
|
3005 *Controls whether pressing and releasing the Meta (Alt) key should
|
|
|
3006 activate the menubar.
|
|
|
3007 Default is t.
|
|
|
3008 */ );
|
|
|
3009
|
|
|
3010 DEFVAR_BOOL ("mswindows-dynamic-frame-resize", &mswindows_dynamic_frame_resize /*
|
|
|
3011 *Controls redrawing frame contents during mouse-drag or keyboard resize
|
|
|
3012 operation. When non-nil, the frame is redrawn while being resized. When
|
|
|
3013 nil, frame is not redrawn, and exposed areas are filled with default
|
|
|
3014 MDI application background color. Note that this option only has effect
|
|
|
3015 if "Show window contents while dragging" is on in system Display/Plus!
|
|
|
3016 settings.
|
|
|
3017 Default is t on fast machines, nil on slow.
|
|
|
3018 */ );
|
|
|
3019
|
|
|
3020 /* The description copied verbatim from nt-emacs. (C) Geoff Voelker */
|
|
|
3021 DEFVAR_INT ("mswindows-mouse-button-tolerance", &mswindows_mouse_button_tolerance /*
|
|
|
3022 *Analogue of double click interval for faking middle mouse events.
|
|
|
3023 The value is the minimum time in milliseconds that must elapse between
|
|
|
3024 left/right button down events before they are considered distinct events.
|
|
|
3025 If both mouse buttons are depressed within this interval, a middle mouse
|
|
|
3026 button down event is generated instead.
|
|
|
3027 If negative or zero, currently set system default is used instead.
|
|
|
3028 */ );
|
|
|
3029
|
|
|
3030 /* The description copied verbatim from nt-emacs. (C) Geoff Voelker */
|
|
|
3031 DEFVAR_INT ("mswindows-num-mouse-buttons", &mswindows_num_mouse_buttons /*
|
|
|
3032 Number of physical mouse buttons.
|
|
|
3033 */ );
|
|
|
3034
|
|
|
3035 DEFVAR_INT ("mswindows-mouse-button-max-skew-x", &mswindows_mouse_button_max_skew_x /*
|
|
|
3036 *Maximum horizontal distance in pixels between points in which left and
|
|
|
3037 right button clicks occurred for them to be translated into single
|
|
|
3038 middle button event. Clicks must occur in time not longer than defined
|
|
|
3039 by the variable `mswindows-mouse-button-tolerance'.
|
|
|
3040 If negative or zero, currently set system default is used instead.
|
|
|
3041 */ );
|
|
|
3042
|
|
|
3043 DEFVAR_INT ("mswindows-mouse-button-max-skew-y", &mswindows_mouse_button_max_skew_y /*
|
|
|
3044 *Maximum vertical distance in pixels between points in which left and
|
|
|
3045 right button clicks occurred for them to be translated into single
|
|
|
3046 middle button event. Clicks must occur in time not longer than defined
|
|
|
3047 by the variable `mswindows-mouse-button-tolerance'.
|
|
|
3048 If negative or zero, currently set system default is used instead.
|
|
|
3049 */ );
|
|
|
3050
|
|
|
3051 mswindows_mouse_button_max_skew_x = 0;
|
|
|
3052 mswindows_mouse_button_max_skew_y = 0;
|
|
|
3053 mswindows_mouse_button_tolerance = 0;
|
|
|
3054 mswindows_meta_activates_menu = 1;
|
|
|
3055 }
|
|
|
3056
|
|
|
3057 void
|
|
|
3058 syms_of_event_mswindows (void)
|
|
|
3059 {
|
|
|
3060 }
|
|
|
3061
|
|
|
3062 void
|
|
|
3063 lstream_type_create_mswindows_selectable (void)
|
|
|
3064 {
|
|
|
3065 init_slurp_stream ();
|
|
|
3066 init_shove_stream ();
|
|
|
3067 #if defined (HAVE_SOCKETS) && !defined(HAVE_MSG_SELECT)
|
|
|
3068 init_winsock_stream ();
|
|
|
3069 #endif
|
|
|
3070 }
|
|
|
3071
|
|
|
3072 void
|
|
|
3073 init_event_mswindows_late (void)
|
|
|
3074 {
|
|
|
3075 #ifdef HAVE_MSG_SELECT
|
|
|
3076 windows_fd = open("/dev/windows", O_RDONLY | O_NONBLOCK, 0);
|
|
|
3077 assert (windows_fd>=0);
|
|
|
3078 FD_SET (windows_fd, &input_wait_mask);
|
|
|
3079 FD_ZERO(&zero_mask);
|
|
|
3080 #endif
|
|
|
3081
|
|
|
3082 event_stream = mswindows_event_stream;
|
|
|
3083
|
|
|
3084 mswindows_dynamic_frame_resize = !GetSystemMetrics (SM_SLOWMACHINE);
|
|
|
3085 mswindows_num_mouse_buttons = GetSystemMetrics (SM_CMOUSEBUTTONS);
|
|
|
3086 }
|
