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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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430
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59 #include "select.h"
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428
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60 #include "sysproc.h"
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61 #include "syswait.h"
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62 #include "systime.h"
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63 #include "sysdep.h"
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64 #include "objects-msw.h"
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65
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66 #include "events-mod.h"
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67 #ifdef HAVE_MSG_SELECT
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68 #include "sysfile.h"
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69 #include "console-tty.h"
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70 #elif defined(__CYGWIN32__)
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71 typedef unsigned int SOCKET;
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72 #endif
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73 #include <io.h>
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74 #include <errno.h>
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75
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434
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76 #if defined (__CYGWIN32__) && (CYGWIN_VERSION_DLL_MAJOR < 20)
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428
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77 typedef NMHDR *LPNMHDR;
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78 #endif
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79
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80 #ifdef HAVE_MENUBARS
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81 #define ADJR_MENUFLAG TRUE
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82 #else
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83 #define ADJR_MENUFLAG FALSE
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84 #endif
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85
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86 /* Fake key modifier which is attached to a quit char event.
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87 Removed upon dequeueing an event */
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88 #define FAKE_MOD_QUIT 0x80
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89
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90 /* Timer ID used for button2 emulation */
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91 #define BUTTON_2_TIMER_ID 1
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92
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93 extern Lisp_Object
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94 mswindows_get_toolbar_button_text (struct frame* f, int command_id);
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95 extern Lisp_Object
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96 mswindows_handle_toolbar_wm_command (struct frame* f, HWND ctrl, WORD id);
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97 extern Lisp_Object
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98 mswindows_handle_gui_wm_command (struct frame* f, HWND ctrl, WORD id);
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99
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100 static Lisp_Object mswindows_find_frame (HWND hwnd);
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101 static Lisp_Object mswindows_find_console (HWND hwnd);
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102 static Lisp_Object mswindows_key_to_emacs_keysym (int mswindows_key, int mods,
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103 int extendedp);
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104 static int mswindows_modifier_state (BYTE* keymap, int has_AltGr);
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105 static void mswindows_set_chord_timer (HWND hwnd);
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106 static int mswindows_button2_near_enough (POINTS p1, POINTS p2);
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107 static int mswindows_current_layout_has_AltGr (void);
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108
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109 static struct event_stream *mswindows_event_stream;
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110
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111 #ifdef HAVE_MSG_SELECT
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112 extern SELECT_TYPE input_wait_mask, non_fake_input_wait_mask;
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113 extern SELECT_TYPE process_only_mask, tty_only_mask;
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114 SELECT_TYPE zero_mask;
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115 extern int signal_event_pipe_initialized;
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116 int windows_fd;
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117 #endif
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118
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119 /*
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120 * Two separate queues, for efficiency, one (_u_) for user events, and
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121 * another (_s_) for non-user ones. We always return events out of the
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122 * first one until it is empty and only then proceed with the second
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123 * one.
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124 */
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125 static Lisp_Object mswindows_u_dispatch_event_queue, mswindows_u_dispatch_event_queue_tail;
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126 static Lisp_Object mswindows_s_dispatch_event_queue, mswindows_s_dispatch_event_queue_tail;
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127
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128 /* The number of things we can wait on */
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129 #define MAX_WAITABLE (MAXIMUM_WAIT_OBJECTS - 1)
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130
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131 #ifndef HAVE_MSG_SELECT
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132 /* List of mswindows waitable handles. */
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133 static HANDLE mswindows_waitable_handles[MAX_WAITABLE];
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134
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135 /* Number of wait handles */
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136 static int mswindows_waitable_count=0;
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137 #endif /* HAVE_MSG_SELECT */
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138 /* Brush for painting widgets */
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139 static HBRUSH widget_brush = 0;
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140 static LONG last_widget_brushed = 0;
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141
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142 /* Count of quit chars currently in the queue */
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143 /* Incremented in WM_[SYS]KEYDOWN handler in the mswindows_wnd_proc()
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144 Decremented in mswindows_dequeue_dispatch_event() */
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145 int mswindows_quit_chars_count = 0;
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146
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147 /* These are Lisp integers; see DEFVARS in this file for description. */
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148 int mswindows_dynamic_frame_resize;
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149 int mswindows_meta_activates_menu;
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150 int mswindows_num_mouse_buttons;
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151 int mswindows_mouse_button_max_skew_x;
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152 int mswindows_mouse_button_max_skew_y;
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153 int mswindows_mouse_button_tolerance;
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154
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155 /* This is the event signaled by the event pump.
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156 See mswindows_pump_outstanding_events for comments */
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157 static Lisp_Object mswindows_error_caught_in_modal_loop;
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158 static int mswindows_in_modal_loop;
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159
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160 /* Count of wound timers */
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161 static int mswindows_pending_timers_count;
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162
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163 /************************************************************************/
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164 /* Pipe instream - reads process output */
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165 /************************************************************************/
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166
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167 #define PIPE_READ_DELAY 20
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168
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169 #define HANDLE_TO_USID(h) ((USID)(h))
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170
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171 #define NTPIPE_SLURP_STREAM_DATA(stream) \
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172 LSTREAM_TYPE_DATA (stream, ntpipe_slurp)
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173
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174 /* This structure is allocated by the main thread, and is deallocated
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175 in the thread upon exit. There are situations when a thread
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176 remains blocked for a long time, much longer than the lstream
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177 exists. For example, "start notepad" command is issued from the
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178 shell, then the shell is closed by C-c C-d. Although the shell
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179 process exits, its output pipe will not get closed until the
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180 notepad process exits also, because it inherits the pipe form the
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181 shell. In this case, we abandon the thread, and let it live until
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182 all such processes exit. While struct ntpipe_slurp_stream is
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183 deallocated in this case, ntpipe_slurp_stream_shared_data are not. */
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184
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185 struct ntpipe_slurp_stream_shared_data
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186 {
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187 HANDLE hev_thread; /* Our thread blocks on this, signaled by caller */
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188 /* This is a manual-reset object. */
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189 HANDLE hev_caller; /* Caller blocks on this, and we signal it */
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190 /* This is a manual-reset object. */
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191 HANDLE hev_unsleep; /* Pipe read delay is canceled if this is set */
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192 /* This is a manual-reset object. */
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193 HANDLE hpipe; /* Pipe read end handle. */
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194 LONG die_p; /* Thread must exit ASAP if non-zero */
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195 BOOL eof_p : 1; /* Set when thread saw EOF */
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196 BOOL error_p : 1; /* Read error other than EOF/broken pipe */
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197 BOOL inuse_p : 1; /* this structure is in use */
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198 LONG lock_count; /* Client count of this struct, 0=safe to free */
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199 BYTE onebyte; /* One byte buffer read by thread */
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200 };
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201
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202 #define MAX_SLURP_STREAMS 32
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203 struct ntpipe_slurp_stream_shared_data
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204 shared_data_block[MAX_SLURP_STREAMS]={{0}};
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205
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206 struct ntpipe_slurp_stream
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207 {
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208 LPARAM user_data; /* Any user data stored in the stream object */
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209 struct ntpipe_slurp_stream_shared_data* thread_data;
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210 };
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211
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212 DEFINE_LSTREAM_IMPLEMENTATION ("ntpipe-input", lstream_ntpipe_slurp,
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213 sizeof (struct ntpipe_slurp_stream));
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214
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215 /* This function is thread-safe, and is called from either thread
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216 context. It serializes freeing shared data structure */
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217 static void
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218 slurper_free_shared_data_maybe (struct ntpipe_slurp_stream_shared_data* s)
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219 {
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220 if (InterlockedDecrement (&s->lock_count) == 0)
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221 {
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222 /* Destroy events */
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223 CloseHandle (s->hev_thread);
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224 CloseHandle (s->hev_caller);
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225 CloseHandle (s->hev_unsleep);
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226 s->inuse_p = 0;
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227 }
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228 }
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229
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230 static struct ntpipe_slurp_stream_shared_data*
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231 slurper_allocate_shared_data()
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232 {
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233 int i=0;
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234 for (i=0; i<MAX_SLURP_STREAMS; i++)
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235 {
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236 if (!shared_data_block[i].inuse_p)
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237 {
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238 shared_data_block[i].inuse_p=1;
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239 return &shared_data_block[i];
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240 }
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241 }
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242 return (struct ntpipe_slurp_stream_shared_data*)0;
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243 }
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244
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245 static DWORD WINAPI
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246 slurp_thread (LPVOID vparam)
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247 {
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248 struct ntpipe_slurp_stream_shared_data *s =
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249 (struct ntpipe_slurp_stream_shared_data*)vparam;
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250
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251 for (;;)
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252 {
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253 /* Read one byte from the pipe */
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254 DWORD actually_read;
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255 if (!ReadFile (s->hpipe, &s->onebyte, 1, &actually_read, NULL))
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256 {
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257 DWORD err = GetLastError ();
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258 if (err == ERROR_BROKEN_PIPE || err == ERROR_NO_DATA)
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259 s->eof_p = TRUE;
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260 else
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261 s->error_p = TRUE;
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262 }
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263 else if (actually_read == 0)
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264 s->eof_p = TRUE;
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265
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266 /* We must terminate on an error or eof */
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267 if (s->eof_p || s->error_p)
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268 InterlockedIncrement (&s->die_p);
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269
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270 /* Before we notify caller, we unsignal our event. */
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271 ResetEvent (s->hev_thread);
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272
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273 /* Now we got something to notify caller, either a byte or an
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274 error/eof indication. Before we do, allow internal pipe
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275 buffer to accumulate little bit more data.
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276 Reader function pulses this event before waiting for
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277 a character, to avoid pipe delay, and to get the byte
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278 immediately. */
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279 if (!s->die_p)
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280 WaitForSingleObject (s->hev_unsleep, PIPE_READ_DELAY);
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281
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282 /* Either make event loop generate a process event, or
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283 inblock reader */
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284 SetEvent (s->hev_caller);
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285
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286 /* Cleanup and exit if we're shot off */
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287 if (s->die_p)
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288 break;
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289
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290 /* Block until the client finishes with retrieving the rest of
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291 pipe data */
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292 WaitForSingleObject (s->hev_thread, INFINITE);
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293 }
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294
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295 slurper_free_shared_data_maybe (s);
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296
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297 return 0;
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298 }
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299
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300 static Lisp_Object
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301 make_ntpipe_input_stream (HANDLE hpipe, LPARAM param)
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302 {
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303 Lisp_Object obj;
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304 Lstream *lstr = Lstream_new (lstream_ntpipe_slurp, "r");
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305 struct ntpipe_slurp_stream* s = NTPIPE_SLURP_STREAM_DATA (lstr);
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306 DWORD thread_id_unused;
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307 HANDLE hthread;
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308
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309 /* We deal only with pipes, for we're using PeekNamedPipe api */
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310 assert (GetFileType (hpipe) == FILE_TYPE_PIPE);
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311
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312 s->thread_data = slurper_allocate_shared_data();
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313
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314 /* Create reader thread. This could fail, so do not create events
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315 until thread is created */
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316 hthread = CreateThread (NULL, 0, slurp_thread, (LPVOID)s->thread_data,
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317 CREATE_SUSPENDED, &thread_id_unused);
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318 if (hthread == NULL)
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319 {
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320 Lstream_delete (lstr);
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321 s->thread_data->inuse_p=0;
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322 return Qnil;
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323 }
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324
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325 /* Shared data are initially owned by both main and slurper
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326 threads. */
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327 s->thread_data->lock_count = 2;
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328 s->thread_data->die_p = 0;
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329 s->thread_data->eof_p = FALSE;
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330 s->thread_data->error_p = FALSE;
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331 s->thread_data->hpipe = hpipe;
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332 s->user_data = param;
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333
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334 /* hev_thread is a manual-reset event, initially signaled */
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335 s->thread_data->hev_thread = CreateEvent (NULL, TRUE, TRUE, NULL);
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336 /* hev_caller is a manual-reset event, initially nonsignaled */
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337 s->thread_data->hev_caller = CreateEvent (NULL, TRUE, FALSE, NULL);
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338 /* hev_unsleep is a manual-reset event, initially nonsignaled */
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339 s->thread_data->hev_unsleep = CreateEvent (NULL, TRUE, FALSE, NULL);
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340
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341 /* Now let it go */
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342 ResumeThread (hthread);
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343 CloseHandle (hthread);
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344
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345 lstr->flags |= LSTREAM_FL_CLOSE_AT_DISKSAVE;
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346 XSETLSTREAM (obj, lstr);
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347 return obj;
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348 }
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349
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350 static LPARAM
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351 get_ntpipe_input_stream_param (Lstream *stream)
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352 {
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353 struct ntpipe_slurp_stream* s = NTPIPE_SLURP_STREAM_DATA(stream);
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354 return s->user_data;
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355 }
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356
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357 static HANDLE
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358 get_ntpipe_input_stream_waitable (Lstream *stream)
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359 {
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360 struct ntpipe_slurp_stream* s = NTPIPE_SLURP_STREAM_DATA(stream);
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361 return s->thread_data->hev_caller;
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362 }
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363
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364 static ssize_t
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365 ntpipe_slurp_reader (Lstream *stream, unsigned char *data, size_t size)
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|
|
366 {
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|
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367 /* This function must be called from the main thread only */
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368 struct ntpipe_slurp_stream_shared_data* s =
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369 NTPIPE_SLURP_STREAM_DATA(stream)->thread_data;
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370
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371 if (!s->die_p)
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372 {
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373 DWORD wait_result;
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374 /* Disallow pipe read delay for the thread: we need a character
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|
375 ASAP */
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|
376 SetEvent (s->hev_unsleep);
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377
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|
|
378 /* Check if we have a character ready. Give it a short delay,
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|
379 for the thread to awake from pipe delay, just ion case*/
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380 wait_result = WaitForSingleObject (s->hev_caller, 2);
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381
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|
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382 /* Revert to the normal sleep behavior. */
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383 ResetEvent (s->hev_unsleep);
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384
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385 /* If there's no byte buffered yet, give up */
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|
|
386 if (wait_result == WAIT_TIMEOUT)
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|
|
387 {
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|
|
388 errno = EAGAIN;
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|
|
389 return -1;
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|
|
390 }
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|
|
391 }
|
|
|
392
|
|
|
393 /* Reset caller unlock event now, as we've handled the pending
|
|
|
394 process output event */
|
|
|
395 ResetEvent (s->hev_caller);
|
|
|
396
|
|
|
397 /* It is now safe to do anything with contents of S, except for
|
|
|
398 changing s->die_p, which still should be interlocked */
|
|
|
399
|
|
|
400 if (s->eof_p)
|
|
|
401 return 0;
|
|
|
402 if (s->error_p || s->die_p)
|
|
|
403 return -1;
|
|
|
404
|
|
|
405 /* Ok, there were no error neither eof - we've got a byte from the
|
|
|
406 pipe */
|
|
|
407 *(data++) = s->onebyte;
|
|
|
408 --size;
|
|
|
409
|
|
|
410 {
|
|
|
411 DWORD bytes_read = 0;
|
|
|
412 if (size > 0)
|
|
|
413 {
|
|
|
414 DWORD bytes_available;
|
|
|
415
|
|
|
416 /* If the api call fails, return at least one byte already
|
|
|
417 read. ReadFile in thread will return error */
|
|
|
418 if (PeekNamedPipe (s->hpipe, NULL, 0, NULL, &bytes_available, NULL))
|
|
|
419 {
|
|
|
420
|
|
|
421 /* Fetch available bytes. The same consideration applies,
|
|
|
422 so do not check for errors. ReadFile in the thread will
|
|
|
423 fail if the next call fails. */
|
|
|
424 if (bytes_available)
|
|
|
425 ReadFile (s->hpipe, data, min (bytes_available, size),
|
|
|
426 &bytes_read, NULL);
|
|
|
427 }
|
|
|
428
|
|
|
429 /* Now we can unblock thread, so it attempts to read more */
|
|
|
430 SetEvent (s->hev_thread);
|
|
|
431 return bytes_read + 1;
|
|
|
432 }
|
|
|
433 }
|
|
|
434 return 0;
|
|
|
435 }
|
|
|
436
|
|
|
437 static int
|
|
|
438 ntpipe_slurp_closer (Lstream *stream)
|
|
|
439 {
|
|
|
440 /* This function must be called from the main thread only */
|
|
|
441 struct ntpipe_slurp_stream_shared_data* s =
|
|
|
442 NTPIPE_SLURP_STREAM_DATA(stream)->thread_data;
|
|
|
443
|
|
|
444 /* Force thread to stop */
|
|
|
445 InterlockedIncrement (&s->die_p);
|
|
|
446
|
|
|
447 /* Set events which could possibly block slurper. Let it finish soon
|
|
|
448 or later. */
|
|
|
449 SetEvent (s->hev_unsleep);
|
|
|
450 SetEvent (s->hev_thread);
|
|
|
451
|
|
|
452 /* Unlock and maybe free shared data */
|
|
|
453 slurper_free_shared_data_maybe (s);
|
|
|
454
|
|
|
455 return 0;
|
|
|
456 }
|
|
|
457
|
|
|
458 static void
|
|
|
459 init_slurp_stream (void)
|
|
|
460 {
|
|
|
461 LSTREAM_HAS_METHOD (ntpipe_slurp, reader);
|
|
|
462 LSTREAM_HAS_METHOD (ntpipe_slurp, closer);
|
|
|
463 }
|
|
|
464
|
|
|
465 /************************************************************************/
|
|
|
466 /* Pipe outstream - writes process input */
|
|
|
467 /************************************************************************/
|
|
|
468
|
|
|
469 #define NTPIPE_SHOVE_STREAM_DATA(stream) \
|
|
|
470 LSTREAM_TYPE_DATA (stream, ntpipe_shove)
|
|
|
471
|
|
|
472 #define MAX_SHOVE_BUFFER_SIZE 128
|
|
|
473
|
|
|
474 struct ntpipe_shove_stream
|
|
|
475 {
|
|
|
476 LPARAM user_data; /* Any user data stored in the stream object */
|
|
|
477 HANDLE hev_thread; /* Our thread blocks on this, signaled by caller */
|
|
|
478 /* This is an auto-reset object. */
|
|
|
479 HANDLE hpipe; /* Pipe write end handle. */
|
|
|
480 HANDLE hthread; /* Reader thread handle. */
|
|
|
481 char buffer[MAX_SHOVE_BUFFER_SIZE]; /* Buffer being written */
|
|
|
482 DWORD size; /* Number of bytes to write */
|
|
|
483 LONG die_p; /* Thread must exit ASAP if non-zero */
|
|
|
484 LONG idle_p; /* Non-zero if thread is waiting for job */
|
|
|
485 BOOL error_p : 1; /* Read error other than EOF/broken pipe */
|
|
|
486 BOOL blocking_p : 1;/* Last write attempt would cause blocking */
|
|
|
487 };
|
|
|
488
|
|
|
489 DEFINE_LSTREAM_IMPLEMENTATION ("ntpipe-output", lstream_ntpipe_shove,
|
|
|
490 sizeof (struct ntpipe_shove_stream));
|
|
|
491
|
|
|
492 #ifndef HAVE_MSG_SELECT
|
|
|
493 static DWORD WINAPI
|
|
|
494 shove_thread (LPVOID vparam)
|
|
|
495 {
|
|
|
496 struct ntpipe_shove_stream *s = (struct ntpipe_shove_stream*) vparam;
|
|
|
497
|
|
|
498 for (;;)
|
|
|
499 {
|
|
|
500 DWORD bytes_written;
|
|
|
501
|
|
|
502 /* Block on event and wait for a job */
|
|
|
503 InterlockedIncrement (&s->idle_p);
|
|
|
504 WaitForSingleObject (s->hev_thread, INFINITE);
|
|
|
505
|
|
|
506 if (s->die_p)
|
|
|
507 break;
|
|
|
508
|
|
|
509 /* Write passed buffer */
|
|
|
510 if (!WriteFile (s->hpipe, s->buffer, s->size, &bytes_written, NULL)
|
|
|
511 || bytes_written != s->size)
|
|
|
512 {
|
|
|
513 s->error_p = TRUE;
|
|
|
514 InterlockedIncrement (&s->die_p);
|
|
|
515 }
|
|
|
516
|
|
|
517 if (s->die_p)
|
|
|
518 break;
|
|
|
519 }
|
|
|
520
|
|
|
521 return 0;
|
|
|
522 }
|
|
|
523
|
|
|
524 static Lisp_Object
|
|
|
525 make_ntpipe_output_stream (HANDLE hpipe, LPARAM param)
|
|
|
526 {
|
|
|
527 Lisp_Object obj;
|
|
|
528 Lstream *lstr = Lstream_new (lstream_ntpipe_shove, "w");
|
|
|
529 struct ntpipe_shove_stream* s = NTPIPE_SHOVE_STREAM_DATA (lstr);
|
|
|
530 DWORD thread_id_unused;
|
|
|
531
|
|
|
532 s->die_p = 0;
|
|
|
533 s->error_p = FALSE;
|
|
|
534 s->hpipe = hpipe;
|
|
|
535 s->user_data = param;
|
|
|
536
|
|
|
537 /* Create reader thread. This could fail, so do not
|
|
|
538 create the event until thread is created */
|
|
|
539 s->hthread = CreateThread (NULL, 0, shove_thread, (LPVOID)s,
|
|
|
540 CREATE_SUSPENDED, &thread_id_unused);
|
|
|
541 if (s->hthread == NULL)
|
|
|
542 {
|
|
|
543 Lstream_delete (lstr);
|
|
|
544 return Qnil;
|
|
|
545 }
|
|
|
546
|
|
|
547 /* hev_thread is an auto-reset event, initially nonsignaled */
|
|
|
548 s->hev_thread = CreateEvent (NULL, FALSE, FALSE, NULL);
|
|
|
549
|
|
|
550 /* Now let it go */
|
|
|
551 ResumeThread (s->hthread);
|
|
|
552
|
|
|
553 lstr->flags |= LSTREAM_FL_CLOSE_AT_DISKSAVE;
|
|
|
554 XSETLSTREAM (obj, lstr);
|
|
|
555 return obj;
|
|
|
556 }
|
|
|
557
|
|
|
558 static LPARAM
|
|
|
559 get_ntpipe_output_stream_param (Lstream *stream)
|
|
|
560 {
|
|
|
561 struct ntpipe_shove_stream* s = NTPIPE_SHOVE_STREAM_DATA(stream);
|
|
|
562 return s->user_data;
|
|
|
563 }
|
|
|
564 #endif
|
|
|
565
|
|
|
566 static ssize_t
|
|
|
567 ntpipe_shove_writer (Lstream *stream, const unsigned char *data, size_t size)
|
|
|
568 {
|
|
|
569 struct ntpipe_shove_stream* s = NTPIPE_SHOVE_STREAM_DATA(stream);
|
|
|
570
|
|
|
571 if (s->error_p)
|
|
|
572 return -1;
|
|
|
573
|
|
|
574 s->blocking_p = !s->idle_p;
|
|
|
575 if (s->blocking_p)
|
|
|
576 return 0;
|
|
|
577
|
|
|
578 if (size>MAX_SHOVE_BUFFER_SIZE)
|
|
|
579 return 0;
|
|
|
580
|
|
|
581 memcpy (s->buffer, data, size);
|
|
|
582 s->size = size;
|
|
|
583
|
|
|
584 /* Start output */
|
|
|
585 InterlockedDecrement (&s->idle_p);
|
|
|
586 SetEvent (s->hev_thread);
|
|
|
587 return size;
|
|
|
588 }
|
|
|
589
|
|
|
590 static int
|
|
|
591 ntpipe_shove_was_blocked_p (Lstream *stream)
|
|
|
592 {
|
|
|
593 struct ntpipe_shove_stream* s = NTPIPE_SHOVE_STREAM_DATA(stream);
|
|
|
594 return s->blocking_p;
|
|
|
595 }
|
|
|
596
|
|
|
597 static int
|
|
|
598 ntpipe_shove_closer (Lstream *stream)
|
|
|
599 {
|
|
|
600 struct ntpipe_shove_stream* s = NTPIPE_SHOVE_STREAM_DATA(stream);
|
|
|
601
|
|
|
602 /* Force thread stop */
|
|
|
603 InterlockedIncrement (&s->die_p);
|
|
|
604
|
|
|
605 /* Close pipe handle, possibly breaking it */
|
|
|
606 CloseHandle (s->hpipe);
|
|
|
607
|
|
|
608 /* Thread will end upon unblocking */
|
|
|
609 SetEvent (s->hev_thread);
|
|
|
610
|
|
|
611 /* Wait while thread terminates */
|
|
|
612 WaitForSingleObject (s->hthread, INFINITE);
|
|
|
613 CloseHandle (s->hthread);
|
|
|
614
|
|
|
615 /* Destroy the event */
|
|
|
616 CloseHandle (s->hev_thread);
|
|
|
617
|
|
|
618 return 0;
|
|
|
619 }
|
|
|
620
|
|
|
621 static void
|
|
|
622 init_shove_stream (void)
|
|
|
623 {
|
|
|
624 LSTREAM_HAS_METHOD (ntpipe_shove, writer);
|
|
|
625 LSTREAM_HAS_METHOD (ntpipe_shove, was_blocked_p);
|
|
|
626 LSTREAM_HAS_METHOD (ntpipe_shove, closer);
|
|
|
627 }
|
|
|
628
|
|
|
629 /************************************************************************/
|
|
|
630 /* Winsock I/O stream */
|
|
|
631 /************************************************************************/
|
|
|
632 #if defined (HAVE_SOCKETS) && !defined(HAVE_MSG_SELECT)
|
|
|
633
|
|
|
634 #define WINSOCK_READ_BUFFER_SIZE 1024
|
|
|
635
|
|
|
636 struct winsock_stream
|
|
|
637 {
|
|
|
638 LPARAM user_data; /* Any user data stored in the stream object */
|
|
|
639 SOCKET s; /* Socket handle (which is a Win32 handle) */
|
|
|
640 OVERLAPPED ov; /* Overlapped I/O structure */
|
|
|
641 void* buffer; /* Buffer. Allocated for input stream only */
|
|
|
642 unsigned int bufsize; /* Number of bytes last read */
|
|
|
643 unsigned int bufpos; /* Position in buffer for next fetch */
|
|
|
644 unsigned int error_p :1; /* I/O Error seen */
|
|
|
645 unsigned int eof_p :1; /* EOF Error seen */
|
|
|
646 unsigned int pending_p :1; /* There is a pending I/O operation */
|
|
|
647 unsigned int blocking_p :1; /* Last write attempt would block */
|
|
|
648 };
|
|
|
649
|
|
|
650 #define WINSOCK_STREAM_DATA(stream) LSTREAM_TYPE_DATA (stream, winsock)
|
|
|
651
|
|
|
652 DEFINE_LSTREAM_IMPLEMENTATION ("winsock", lstream_winsock,
|
|
|
653 sizeof (struct winsock_stream));
|
|
|
654
|
|
|
655 static void
|
|
|
656 winsock_initiate_read (struct winsock_stream *str)
|
|
|
657 {
|
|
|
658 ResetEvent (str->ov.hEvent);
|
|
|
659 str->bufpos = 0;
|
|
|
660
|
|
|
661 if (!ReadFile ((HANDLE)str->s, str->buffer, WINSOCK_READ_BUFFER_SIZE,
|
|
|
662 &str->bufsize, &str->ov))
|
|
|
663 {
|
|
|
664 if (GetLastError () == ERROR_IO_PENDING)
|
|
|
665 str->pending_p = 1;
|
|
|
666 else if (GetLastError () == ERROR_HANDLE_EOF)
|
|
|
667 str->eof_p = 1;
|
|
|
668 else
|
|
|
669 str->error_p = 1;
|
|
|
670 }
|
|
|
671 else if (str->bufsize == 0)
|
|
|
672 str->eof_p = 1;
|
|
|
673 }
|
|
|
674
|
|
|
675 static ssize_t
|
|
|
676 winsock_reader (Lstream *stream, unsigned char *data, size_t size)
|
|
|
677 {
|
|
|
678 struct winsock_stream *str = WINSOCK_STREAM_DATA (stream);
|
|
|
679
|
|
|
680 /* If the current operation is not yet complete, there's nothing to
|
|
|
681 give back */
|
|
|
682 if (str->pending_p)
|
|
|
683 {
|
|
|
684 if (WaitForSingleObject (str->ov.hEvent, 0) == WAIT_TIMEOUT)
|
|
|
685 {
|
|
|
686 errno = EAGAIN;
|
|
|
687 return -1;
|
|
|
688 }
|
|
|
689 else
|
|
|
690 {
|
|
|
691 if (!GetOverlappedResult ((HANDLE)str->s, &str->ov, &str->bufsize, TRUE))
|
|
|
692 {
|
|
|
693 if (GetLastError() == ERROR_HANDLE_EOF)
|
|
|
694 str->bufsize = 0;
|
|
|
695 else
|
|
|
696 str->error_p = 1;
|
|
|
697 }
|
|
|
698 if (str->bufsize == 0)
|
|
|
699 str->eof_p = 1;
|
|
|
700 str->pending_p = 0;
|
|
|
701 }
|
|
|
702 }
|
|
|
703
|
|
|
704 if (str->eof_p)
|
|
|
705 return 0;
|
|
|
706 if (str->error_p)
|
|
|
707 return -1;
|
|
|
708
|
|
|
709 /* Return as much of buffer as we have */
|
|
|
710 size = min (size, (size_t) (str->bufsize - str->bufpos));
|
|
|
711 memcpy (data, (void*)((BYTE*)str->buffer + str->bufpos), size);
|
|
|
712 str->bufpos += size;
|
|
|
713
|
|
|
714 /* Read more if buffer is exhausted */
|
|
|
715 if (str->bufsize == str->bufpos)
|
|
|
716 winsock_initiate_read (str);
|
|
|
717
|
|
|
718 return size;
|
|
|
719 }
|
|
|
720
|
|
|
721 static ssize_t
|
|
|
722 winsock_writer (Lstream *stream, CONST unsigned char *data, size_t size)
|
|
|
723 {
|
|
|
724 struct winsock_stream *str = WINSOCK_STREAM_DATA (stream);
|
|
|
725
|
|
|
726 if (str->pending_p)
|
|
|
727 {
|
|
|
728 if (WaitForSingleObject (str->ov.hEvent, 0) == WAIT_TIMEOUT)
|
|
|
729 {
|
|
|
730 str->blocking_p = 1;
|
|
|
731 return -1;
|
|
|
732 }
|
|
|
733 else
|
|
|
734 {
|
|
|
735 DWORD dw_unused;
|
|
|
736 if (!GetOverlappedResult ((HANDLE)str->s, &str->ov, &dw_unused, TRUE))
|
|
|
737 str->error_p = 1;
|
|
|
738 str->pending_p = 0;
|
|
|
739 }
|
|
|
740 }
|
|
|
741
|
|
|
742 str->blocking_p = 0;
|
|
|
743
|
|
|
744 if (str->error_p)
|
|
|
745 return -1;
|
|
|
746
|
|
|
747 if (size == 0)
|
|
|
748 return 0;
|
|
|
749
|
|
|
750 {
|
|
|
751 ResetEvent (str->ov.hEvent);
|
|
|
752
|
|
|
753 /* Docs indicate that 4th parameter to WriteFile can be NULL since this is
|
|
|
754 * an overlapped operation. This fails on Win95 with winsock 1.x so we
|
|
|
755 * supply a spare address which is ignored by Win95 anyway. Sheesh. */
|
|
|
756 if (WriteFile ((HANDLE)str->s, data, size, (LPDWORD)&str->buffer, &str->ov)
|
|
|
757 || GetLastError() == ERROR_IO_PENDING)
|
|
|
758 str->pending_p = 1;
|
|
|
759 else
|
|
|
760 str->error_p = 1;
|
|
|
761 }
|
|
|
762
|
|
|
763 return str->error_p ? -1 : size;
|
|
|
764 }
|
|
|
765
|
|
|
766 static int
|
|
|
767 winsock_closer (Lstream *lstr)
|
|
|
768 {
|
|
|
769 struct winsock_stream *str = WINSOCK_STREAM_DATA (lstr);
|
|
|
770
|
|
|
771 if (lstr->flags & LSTREAM_FL_READ)
|
|
|
772 shutdown (str->s, 0);
|
|
|
773 else
|
|
|
774 shutdown (str->s, 1);
|
|
|
775
|
|
|
776 CloseHandle ((HANDLE)str->s);
|
|
|
777 if (str->pending_p)
|
|
|
778 WaitForSingleObject (str->ov.hEvent, INFINITE);
|
|
|
779
|
|
|
780 if (lstr->flags & LSTREAM_FL_READ)
|
|
|
781 xfree (str->buffer);
|
|
|
782
|
|
|
783 CloseHandle (str->ov.hEvent);
|
|
|
784 return 0;
|
|
|
785 }
|
|
|
786
|
|
|
787 static int
|
|
|
788 winsock_was_blocked_p (Lstream *stream)
|
|
|
789 {
|
|
|
790 struct winsock_stream *str = WINSOCK_STREAM_DATA (stream);
|
|
|
791 return str->blocking_p;
|
|
|
792 }
|
|
|
793
|
|
|
794 static Lisp_Object
|
|
|
795 make_winsock_stream_1 (SOCKET s, LPARAM param, CONST char *mode)
|
|
|
796 {
|
|
|
797 Lisp_Object obj;
|
|
|
798 Lstream *lstr = Lstream_new (lstream_winsock, mode);
|
|
|
799 struct winsock_stream *str = WINSOCK_STREAM_DATA (lstr);
|
|
|
800
|
|
|
801 str->s = s;
|
|
|
802 str->blocking_p = 0;
|
|
|
803 str->error_p = 0;
|
|
|
804 str->eof_p = 0;
|
|
|
805 str->pending_p = 0;
|
|
|
806 str->user_data = param;
|
|
|
807
|
|
|
808 xzero (str->ov);
|
|
|
809 str->ov.hEvent = CreateEvent (NULL, TRUE, FALSE, NULL);
|
|
|
810
|
|
|
811 if (lstr->flags & LSTREAM_FL_READ)
|
|
|
812 {
|
|
|
813 str->buffer = xmalloc (WINSOCK_READ_BUFFER_SIZE);
|
|
|
814 winsock_initiate_read (str);
|
|
|
815 }
|
|
|
816
|
|
|
817 lstr->flags |= LSTREAM_FL_CLOSE_AT_DISKSAVE;
|
|
|
818 XSETLSTREAM (obj, lstr);
|
|
|
819 return obj;
|
|
|
820 }
|
|
|
821
|
|
|
822 static Lisp_Object
|
|
|
823 make_winsock_input_stream (SOCKET s, LPARAM param)
|
|
|
824 {
|
|
|
825 return make_winsock_stream_1 (s, param, "r");
|
|
|
826 }
|
|
|
827
|
|
|
828 static Lisp_Object
|
|
|
829 make_winsock_output_stream (SOCKET s, LPARAM param)
|
|
|
830 {
|
|
|
831 return make_winsock_stream_1 (s, param, "w");
|
|
|
832 }
|
|
|
833
|
|
|
834 static HANDLE
|
|
|
835 get_winsock_stream_waitable (Lstream *lstr)
|
|
|
836 {
|
|
|
837 struct winsock_stream *str = WINSOCK_STREAM_DATA (lstr);
|
|
|
838 return str->ov.hEvent;
|
|
|
839 }
|
|
|
840
|
|
|
841 static LPARAM
|
|
|
842 get_winsock_stream_param (Lstream *lstr)
|
|
|
843 {
|
|
|
844 struct winsock_stream *str = WINSOCK_STREAM_DATA (lstr);
|
|
|
845 return str->user_data;
|
|
|
846 }
|
|
|
847
|
|
|
848 static void
|
|
|
849 init_winsock_stream (void)
|
|
|
850 {
|
|
|
851 LSTREAM_HAS_METHOD (winsock, reader);
|
|
|
852 LSTREAM_HAS_METHOD (winsock, writer);
|
|
|
853 LSTREAM_HAS_METHOD (winsock, closer);
|
|
|
854 LSTREAM_HAS_METHOD (winsock, was_blocked_p);
|
|
|
855 }
|
|
|
856 #endif /* defined (HAVE_SOCKETS) */
|
|
|
857
|
|
|
858 /************************************************************************/
|
|
|
859 /* Dispatch queue management */
|
|
|
860 /************************************************************************/
|
|
|
861
|
|
|
862 static int
|
|
|
863 mswindows_user_event_p (struct Lisp_Event* sevt)
|
|
|
864 {
|
|
|
865 return (sevt->event_type == key_press_event
|
|
|
866 || sevt->event_type == button_press_event
|
|
|
867 || sevt->event_type == button_release_event
|
|
|
868 || sevt->event_type == misc_user_event);
|
|
|
869 }
|
|
|
870
|
|
|
871 /*
|
|
|
872 * Add an emacs event to the proper dispatch queue
|
|
|
873 */
|
|
|
874 static void
|
|
|
875 mswindows_enqueue_dispatch_event (Lisp_Object event)
|
|
|
876 {
|
|
|
877 int user_p = mswindows_user_event_p (XEVENT(event));
|
|
|
878 enqueue_event (event,
|
|
|
879 user_p ? &mswindows_u_dispatch_event_queue :
|
|
|
880 &mswindows_s_dispatch_event_queue,
|
|
|
881 user_p ? &mswindows_u_dispatch_event_queue_tail :
|
|
|
882 &mswindows_s_dispatch_event_queue_tail);
|
|
|
883
|
|
|
884 /* Avoid blocking on WaitMessage */
|
|
|
885 PostMessage (NULL, XM_BUMPQUEUE, 0, 0);
|
|
|
886 }
|
|
|
887
|
|
|
888 /*
|
|
|
889 * Add a misc-user event to the dispatch queue.
|
|
|
890 *
|
|
|
891 * Stuff it into our own dispatch queue, so we have something
|
|
|
892 * to return from next_event callback.
|
|
|
893 */
|
|
|
894 void
|
|
|
895 mswindows_enqueue_misc_user_event (Lisp_Object channel, Lisp_Object function,
|
|
|
896 Lisp_Object object)
|
|
|
897 {
|
|
|
898 Lisp_Object event = Fmake_event (Qnil, Qnil);
|
|
|
899 struct Lisp_Event* e = XEVENT (event);
|
|
|
900
|
|
|
901 e->event_type = misc_user_event;
|
|
|
902 e->channel = channel;
|
|
|
903 e->event.misc.function = function;
|
|
|
904 e->event.misc.object = object;
|
|
|
905
|
|
|
906 mswindows_enqueue_dispatch_event (event);
|
|
|
907 }
|
|
|
908
|
|
|
909 void
|
|
|
910 mswindows_enqueue_magic_event (HWND hwnd, UINT message)
|
|
|
911 {
|
|
|
912 Lisp_Object emacs_event = Fmake_event (Qnil, Qnil);
|
|
|
913 struct Lisp_Event* event = XEVENT (emacs_event);
|
|
|
914
|
|
|
915 event->channel = hwnd ? mswindows_find_frame (hwnd) : Qnil;
|
|
|
916 event->timestamp = GetMessageTime();
|
|
|
917 event->event_type = magic_event;
|
|
|
918 EVENT_MSWINDOWS_MAGIC_TYPE (event) = message;
|
|
|
919
|
|
|
920 mswindows_enqueue_dispatch_event (emacs_event);
|
|
|
921 }
|
|
|
922
|
|
|
923 static void
|
|
|
924 mswindows_enqueue_process_event (struct Lisp_Process* p)
|
|
|
925 {
|
|
|
926 Lisp_Object emacs_event = Fmake_event (Qnil, Qnil);
|
|
|
927 struct Lisp_Event* event = XEVENT (emacs_event);
|
|
|
928 Lisp_Object process;
|
|
|
929 XSETPROCESS (process, p);
|
|
|
930
|
|
|
931 event->event_type = process_event;
|
|
|
932 event->timestamp = GetTickCount ();
|
|
|
933 event->event.process.process = process;
|
|
|
934
|
|
|
935 mswindows_enqueue_dispatch_event (emacs_event);
|
|
|
936 }
|
|
|
937
|
|
|
938 static void
|
|
|
939 mswindows_enqueue_mouse_button_event (HWND hwnd, UINT message, POINTS where, DWORD when)
|
|
|
940 {
|
|
|
941
|
|
|
942 /* We always use last message time, because mouse button
|
|
|
943 events may get delayed, and XEmacs double click
|
|
|
944 recognition will fail */
|
|
|
945
|
|
|
946 Lisp_Object emacs_event = Fmake_event (Qnil, Qnil);
|
|
|
947 struct Lisp_Event* event = XEVENT(emacs_event);
|
|
|
948
|
|
|
949 event->channel = mswindows_find_frame(hwnd);
|
|
|
950 event->timestamp = when;
|
|
|
951 event->event.button.button =
|
|
|
952 (message==WM_LBUTTONDOWN || message==WM_LBUTTONUP) ? 1 :
|
|
|
953 ((message==WM_RBUTTONDOWN || message==WM_RBUTTONUP) ? 3 : 2);
|
|
|
954 event->event.button.x = where.x;
|
|
|
955 event->event.button.y = where.y;
|
|
|
956 event->event.button.modifiers = mswindows_modifier_state (NULL, 0);
|
|
|
957
|
|
|
958 if (message==WM_LBUTTONDOWN || message==WM_MBUTTONDOWN ||
|
|
|
959 message==WM_RBUTTONDOWN)
|
|
|
960 {
|
|
|
961 event->event_type = button_press_event;
|
|
|
962 SetCapture (hwnd);
|
|
|
963 /* we need this to make sure the main window regains the focus
|
|
|
964 from control subwindows */
|
|
|
965 if (GetFocus() != hwnd)
|
|
|
966 {
|
|
|
967 SetFocus (hwnd);
|
|
|
968 mswindows_enqueue_magic_event (hwnd, WM_SETFOCUS);
|
|
|
969 }
|
|
|
970 }
|
|
|
971 else
|
|
|
972 {
|
|
|
973 event->event_type = button_release_event;
|
|
|
974 ReleaseCapture ();
|
|
|
975 }
|
|
|
976
|
|
|
977 mswindows_enqueue_dispatch_event (emacs_event);
|
|
|
978 }
|
|
|
979
|
|
|
980 static void
|
|
|
981 mswindows_enqueue_keypress_event (HWND hwnd, Lisp_Object keysym, int mods)
|
|
|
982 {
|
|
|
983 Lisp_Object emacs_event = Fmake_event (Qnil, Qnil);
|
|
|
984 struct Lisp_Event* event = XEVENT(emacs_event);
|
|
|
985
|
|
|
986 event->channel = mswindows_find_console(hwnd);
|
|
|
987 event->timestamp = GetMessageTime();
|
|
|
988 event->event_type = key_press_event;
|
|
|
989 event->event.key.keysym = keysym;
|
|
|
990 event->event.key.modifiers = mods;
|
|
|
991 mswindows_enqueue_dispatch_event (emacs_event);
|
|
|
992 }
|
|
|
993
|
|
|
994 /*
|
|
|
995 * Remove and return the first emacs event on the dispatch queue.
|
|
|
996 * Give a preference to user events over non-user ones.
|
|
|
997 */
|
|
|
998 static Lisp_Object
|
|
|
999 mswindows_dequeue_dispatch_event ()
|
|
|
1000 {
|
|
|
1001 Lisp_Object event;
|
|
|
1002 struct Lisp_Event* sevt;
|
|
|
1003
|
|
|
1004 assert (!NILP(mswindows_u_dispatch_event_queue) ||
|
|
|
1005 !NILP(mswindows_s_dispatch_event_queue));
|
|
|
1006
|
|
|
1007 event = dequeue_event (
|
|
|
1008 NILP(mswindows_u_dispatch_event_queue) ?
|
|
|
1009 &mswindows_s_dispatch_event_queue :
|
|
|
1010 &mswindows_u_dispatch_event_queue,
|
|
|
1011 NILP(mswindows_u_dispatch_event_queue) ?
|
|
|
1012 &mswindows_s_dispatch_event_queue_tail :
|
|
|
1013 &mswindows_u_dispatch_event_queue_tail);
|
|
|
1014
|
|
|
1015 sevt = XEVENT(event);
|
|
|
1016 if (sevt->event_type == key_press_event
|
|
|
1017 && (sevt->event.key.modifiers & FAKE_MOD_QUIT))
|
|
|
1018 {
|
|
|
1019 sevt->event.key.modifiers &= ~FAKE_MOD_QUIT;
|
|
|
1020 --mswindows_quit_chars_count;
|
|
|
1021 }
|
|
|
1022
|
|
|
1023 return event;
|
|
|
1024 }
|
|
|
1025
|
|
|
1026 /*
|
|
|
1027 * Remove and return the first emacs event on the dispatch queue that matches
|
|
|
1028 * the supplied event.
|
|
|
1029 * Timeout event matches if interval_id is equal to that of the given event.
|
|
|
1030 * Keypress event matches if logical AND between modifiers bitmask of the
|
|
|
1031 * event in the queue and that of the given event is non-zero.
|
|
|
1032 * For all other event types, this function aborts.
|
|
|
1033 */
|
|
|
1034
|
|
|
1035 Lisp_Object
|
|
|
1036 mswindows_cancel_dispatch_event (struct Lisp_Event *match)
|
|
|
1037 {
|
|
|
1038 Lisp_Object event;
|
|
|
1039 Lisp_Object previous_event = Qnil;
|
|
|
1040 int user_p = mswindows_user_event_p (match);
|
|
|
1041 Lisp_Object* head = user_p ? &mswindows_u_dispatch_event_queue :
|
|
|
1042 &mswindows_s_dispatch_event_queue;
|
|
|
1043 Lisp_Object* tail = user_p ? &mswindows_u_dispatch_event_queue_tail :
|
|
|
1044 &mswindows_s_dispatch_event_queue_tail;
|
|
|
1045
|
|
|
1046 assert (match->event_type == timeout_event
|
|
|
1047 || match->event_type == key_press_event);
|
|
|
1048
|
|
|
1049 EVENT_CHAIN_LOOP (event, *head)
|
|
|
1050 {
|
|
|
1051 struct Lisp_Event *e = XEVENT (event);
|
|
|
1052 if ((e->event_type == match->event_type) &&
|
|
|
1053 ((e->event_type == timeout_event) ?
|
|
|
1054 (e->event.timeout.interval_id == match->event.timeout.interval_id) :
|
|
|
1055 /* Must be key_press_event */
|
|
|
1056 ((e->event.key.modifiers & match->event.key.modifiers) != 0)))
|
|
|
1057 {
|
|
|
1058 if (NILP (previous_event))
|
|
|
1059 dequeue_event (head, tail);
|
|
|
1060 else
|
|
|
1061 {
|
|
|
1062 XSET_EVENT_NEXT (previous_event, XEVENT_NEXT (event));
|
|
|
1063 if (EQ (*tail, event))
|
|
|
1064 *tail = previous_event;
|
|
|
1065 }
|
|
|
1066
|
|
|
1067 return event;
|
|
|
1068 }
|
|
|
1069 previous_event = event;
|
|
|
1070 }
|
|
|
1071 return Qnil;
|
|
|
1072 }
|
|
|
1073
|
|
|
1074 #ifndef HAVE_MSG_SELECT
|
|
|
1075 /************************************************************************/
|
|
|
1076 /* Waitable handles manipulation */
|
|
|
1077 /************************************************************************/
|
|
|
1078 static int
|
|
|
1079 find_waitable_handle (HANDLE h)
|
|
|
1080 {
|
|
|
1081 int i;
|
|
|
1082 for (i = 0; i < mswindows_waitable_count; ++i)
|
|
|
1083 if (mswindows_waitable_handles[i] == h)
|
|
|
1084 return i;
|
|
|
1085
|
|
|
1086 return -1;
|
|
|
1087 }
|
|
|
1088
|
|
|
1089 static BOOL
|
|
|
1090 add_waitable_handle (HANDLE h)
|
|
|
1091 {
|
|
|
1092 assert (find_waitable_handle (h) < 0);
|
|
|
1093 if (mswindows_waitable_count == MAX_WAITABLE)
|
|
|
1094 return FALSE;
|
|
|
1095
|
|
|
1096 mswindows_waitable_handles [mswindows_waitable_count++] = h;
|
|
|
1097 return TRUE;
|
|
|
1098 }
|
|
|
1099
|
|
|
1100 static void
|
|
|
1101 remove_waitable_handle (HANDLE h)
|
|
|
1102 {
|
|
|
1103 int ix = find_waitable_handle (h);
|
|
|
1104 if (ix < 0)
|
|
|
1105 return;
|
|
|
1106
|
|
|
1107 mswindows_waitable_handles [ix] =
|
|
|
1108 mswindows_waitable_handles [--mswindows_waitable_count];
|
|
|
1109 }
|
|
|
1110 #endif /* HAVE_MSG_SELECT */
|
|
|
1111
|
|
|
1112
|
|
|
1113 /************************************************************************/
|
|
|
1114 /* Event pump */
|
|
|
1115 /************************************************************************/
|
|
|
1116
|
|
|
1117 static Lisp_Object
|
|
|
1118 mswindows_modal_loop_error_handler (Lisp_Object cons_sig_data,
|
|
|
1119 Lisp_Object u_n_u_s_e_d)
|
|
|
1120 {
|
|
|
1121 mswindows_error_caught_in_modal_loop = cons_sig_data;
|
|
|
1122 return Qunbound;
|
|
|
1123 }
|
|
|
1124
|
|
|
1125 Lisp_Object
|
|
|
1126 mswindows_protect_modal_loop (Lisp_Object (*bfun) (Lisp_Object barg),
|
|
|
1127 Lisp_Object barg)
|
|
|
1128 {
|
|
|
1129 Lisp_Object tmp;
|
|
|
1130
|
|
|
1131 ++mswindows_in_modal_loop;
|
|
|
1132 tmp = condition_case_1 (Qt,
|
|
|
1133 bfun, barg,
|
|
|
1134 mswindows_modal_loop_error_handler, Qnil);
|
|
|
1135 --mswindows_in_modal_loop;
|
|
|
1136
|
|
|
1137 return tmp;
|
|
|
1138 }
|
|
|
1139
|
|
|
1140 void
|
|
|
1141 mswindows_unmodalize_signal_maybe (void)
|
|
|
1142 {
|
|
|
1143 if (!NILP (mswindows_error_caught_in_modal_loop))
|
|
|
1144 {
|
|
|
1145 /* Got an error while messages were pumped while
|
|
|
1146 in window procedure - have to resignal */
|
|
|
1147 Lisp_Object sym = XCAR (mswindows_error_caught_in_modal_loop);
|
|
|
1148 Lisp_Object data = XCDR (mswindows_error_caught_in_modal_loop);
|
|
|
1149 mswindows_error_caught_in_modal_loop = Qnil;
|
|
|
1150 Fsignal (sym, data);
|
|
|
1151 }
|
|
|
1152 }
|
|
|
1153
|
|
|
1154 /*
|
|
|
1155 * This is an unsafe part of event pump, guarded by
|
|
|
1156 * condition_case. See mswindows_pump_outstanding_events
|
|
|
1157 */
|
|
|
1158 static Lisp_Object
|
|
|
1159 mswindows_unsafe_pump_events (Lisp_Object u_n_u_s_e_d)
|
|
|
1160 {
|
|
|
1161 /* This function can call lisp */
|
|
|
1162 Lisp_Object event = Fmake_event (Qnil, Qnil);
|
|
|
1163 struct gcpro gcpro1;
|
|
|
1164 int do_redisplay = 0;
|
|
|
1165 GCPRO1 (event);
|
|
|
1166
|
|
|
1167 while (detect_input_pending ())
|
|
|
1168 {
|
|
|
1169 Fnext_event (event, Qnil);
|
|
|
1170 Fdispatch_event (event);
|
|
|
1171 do_redisplay = 1;
|
|
|
1172 }
|
|
|
1173
|
|
|
1174 if (do_redisplay)
|
|
|
1175 redisplay ();
|
|
|
1176
|
|
|
1177 Fdeallocate_event (event);
|
|
|
1178 UNGCPRO;
|
|
|
1179
|
|
|
1180 /* Qt becomes return value of mswindows_pump_outstanding_events
|
|
|
1181 once we get here */
|
|
|
1182 return Qt;
|
|
|
1183 }
|
|
|
1184
|
|
|
1185 /*
|
|
|
1186 * This function pumps emacs events, while available, by using
|
|
|
1187 * next_message/dispatch_message loop. Errors are trapped around
|
|
|
1188 * the loop so the function always returns.
|
|
|
1189 *
|
|
|
1190 * Windows message queue is not looked into during the call,
|
|
|
1191 * neither are waitable handles checked. The function pumps
|
|
|
1192 * thus only dispatch events already queued, as well as those
|
|
|
1193 * resulted in dispatching thereof. This is done by setting
|
|
|
1194 * module local variable mswindows_in_modal_loop to nonzero.
|
|
|
1195 *
|
|
|
1196 * Return value is Qt if no errors was trapped, or Qunbound if
|
|
|
1197 * there was an error.
|
|
|
1198 *
|
|
|
1199 * In case of error, a cons representing the error, in the
|
|
|
1200 * form (SIGNAL . DATA), is stored in the module local variable
|
|
|
1201 * mswindows_error_caught_in_modal_loop. This error is signaled
|
|
|
1202 * again when DispatchMessage returns. Thus, Windows internal
|
|
|
1203 * modal loops are protected against throws, which are proven
|
|
|
1204 * to corrupt internal Windows structures.
|
|
|
1205 *
|
|
|
1206 * In case of success, mswindows_error_caught_in_modal_loop is
|
|
|
1207 * assigned Qnil.
|
|
|
1208 *
|
|
|
1209 * If the value of mswindows_error_caught_in_modal_loop is not
|
|
|
1210 * nil already upon entry, the function just returns non-nil.
|
|
|
1211 * This situation means that a new event has been queued while
|
|
|
1212 * in cancel mode. The event will be dequeued on the next regular
|
|
|
1213 * call of next-event; the pump is off since error is caught.
|
|
|
1214 * The caller must *unconditionally* cancel modal loop if the
|
|
|
1215 * value returned by this function is nil. Otherwise, everything
|
|
|
1216 * will become frozen until the modal loop exits under normal
|
|
|
1217 * condition (scrollbar drag is released, menu closed etc.)
|
|
|
1218 */
|
|
|
1219 Lisp_Object
|
|
|
1220 mswindows_pump_outstanding_events (void)
|
|
|
1221 {
|
|
|
1222 /* This function can call lisp */
|
|
|
1223
|
|
|
1224 Lisp_Object result = Qt;
|
|
|
1225 struct gcpro gcpro1;
|
|
|
1226 GCPRO1 (result);
|
|
|
1227
|
|
|
1228 if (NILP(mswindows_error_caught_in_modal_loop))
|
|
|
1229 result = mswindows_protect_modal_loop (mswindows_unsafe_pump_events, Qnil);
|
|
|
1230 UNGCPRO;
|
|
|
1231 return result;
|
|
|
1232 }
|
|
|
1233
|
|
|
1234 static void
|
|
|
1235 mswindows_drain_windows_queue ()
|
|
|
1236 {
|
|
|
1237 MSG msg;
|
|
|
1238 while (PeekMessage (&msg, NULL, 0, 0, PM_REMOVE))
|
|
|
1239 {
|
|
|
1240 /* we have to translate messages that are not sent to the main
|
|
|
1241 window. this is so that key presses work ok in things like
|
|
|
1242 edit fields. however, we *musn't* translate message for the
|
|
|
1243 main window as this is handled in the wnd proc. */
|
|
|
1244 if ( GetWindowLong (msg.hwnd, GWL_STYLE) & WS_CHILD )
|
|
|
1245 {
|
|
|
1246 TranslateMessage (&msg);
|
|
|
1247 }
|
|
|
1248 DispatchMessage (&msg);
|
|
|
1249 mswindows_unmodalize_signal_maybe ();
|
|
|
1250 }
|
|
|
1251 }
|
|
|
1252
|
|
|
1253 /*
|
|
|
1254 * This is a special flavor of the mswindows_need_event function,
|
|
|
1255 * used while in event pump. Actually, there is only kind of events
|
|
|
1256 * allowed while in event pump: a timer. An attempt to fetch any
|
|
|
1257 * other event leads to a deadlock, as there's no source of user input
|
|
|
1258 * ('cause event pump mirrors windows modal loop, which is a sole
|
|
|
1259 * owner of thread message queue).
|
|
|
1260 *
|
|
|
1261 * To detect this, we use a counter of active timers, and allow
|
|
|
1262 * fetching WM_TIMER messages. Instead of trying to fetch a WM_TIMER
|
|
|
1263 * which will never come when there are no pending timers, which leads
|
|
|
1264 * to deadlock, we simply signal an error.
|
|
|
1265 */
|
|
|
1266 static void
|
|
|
1267 mswindows_need_event_in_modal_loop (int badly_p)
|
|
|
1268 {
|
|
|
1269 MSG msg;
|
|
|
1270
|
|
|
1271 /* Check if already have one */
|
|
|
1272 if (!NILP (mswindows_u_dispatch_event_queue)
|
|
|
1273 || !NILP (mswindows_s_dispatch_event_queue))
|
|
|
1274 return;
|
|
|
1275
|
|
|
1276 /* No event is ok */
|
|
|
1277 if (!badly_p)
|
|
|
1278 return;
|
|
|
1279
|
|
|
1280 /* We do not check the _u_ queue, because timers go to _s_ */
|
|
|
1281 while (NILP (mswindows_s_dispatch_event_queue))
|
|
|
1282 {
|
|
|
1283 /* We'll deadlock if go waiting */
|
|
|
1284 if (mswindows_pending_timers_count == 0)
|
|
|
1285 error ("Deadlock due to an attempt to call next-event in a wrong context");
|
|
|
1286
|
|
|
1287 /* Fetch and dispatch any pending timers */
|
|
|
1288 GetMessage (&msg, NULL, WM_TIMER, WM_TIMER);
|
|
|
1289 DispatchMessage (&msg);
|
|
|
1290 }
|
|
|
1291 }
|
|
|
1292
|
|
|
1293 /*
|
|
|
1294 * This drains the event queue and fills up two internal queues until
|
|
|
1295 * an event of a type specified by USER_P is retrieved.
|
|
|
1296 *
|
|
|
1297 *
|
|
|
1298 * Used by emacs_mswindows_event_pending_p and emacs_mswindows_next_event
|
|
|
1299 */
|
|
|
1300 static void
|
|
|
1301 mswindows_need_event (int badly_p)
|
|
|
1302 {
|
|
|
1303 int active;
|
|
|
1304
|
|
|
1305 if (mswindows_in_modal_loop)
|
|
|
1306 {
|
|
|
1307 mswindows_need_event_in_modal_loop (badly_p);
|
|
|
1308 return;
|
|
|
1309 }
|
|
|
1310
|
|
|
1311 /* Have to drain Windows message queue first, otherwise, we may miss
|
|
|
1312 quit char when called from quit_p */
|
|
|
1313 mswindows_drain_windows_queue ();
|
|
|
1314
|
|
|
1315 while (NILP (mswindows_u_dispatch_event_queue)
|
|
|
1316 && NILP (mswindows_s_dispatch_event_queue))
|
|
|
1317 {
|
|
|
1318 #ifdef HAVE_MSG_SELECT
|
|
|
1319 int i;
|
|
|
1320 SELECT_TYPE temp_mask = input_wait_mask;
|
|
|
1321 EMACS_TIME sometime;
|
|
|
1322 EMACS_SELECT_TIME select_time_to_block, *pointer_to_this;
|
|
|
1323
|
|
|
1324 if (badly_p)
|
|
|
1325 pointer_to_this = 0;
|
|
|
1326 else
|
|
|
1327 {
|
|
|
1328 EMACS_SET_SECS_USECS (sometime, 0, 0);
|
|
|
1329 EMACS_TIME_TO_SELECT_TIME (sometime, select_time_to_block);
|
|
|
1330 pointer_to_this = &select_time_to_block;
|
|
|
1331 }
|
|
|
1332
|
|
|
1333 active = select (MAXDESC, &temp_mask, 0, 0, pointer_to_this);
|
|
|
1334
|
|
|
1335 if (active == 0)
|
|
|
1336 {
|
|
|
1337 assert (!badly_p);
|
|
|
1338 return; /* timeout */
|
|
|
1339 }
|
|
|
1340 else if (active > 0)
|
|
|
1341 {
|
|
|
1342 if (FD_ISSET (windows_fd, &temp_mask))
|
|
|
1343 {
|
|
|
1344 mswindows_drain_windows_queue ();
|
|
|
1345 }
|
|
|
1346 #ifdef HAVE_TTY
|
|
|
1347 /* Look for a TTY event */
|
|
|
1348 for (i = 0; i < MAXDESC-1; i++)
|
|
|
1349 {
|
|
|
1350 /* To avoid race conditions (among other things, an infinite
|
|
|
1351 loop when called from Fdiscard_input()), we must return
|
|
|
1352 user events ahead of process events. */
|
|
|
1353 if (FD_ISSET (i, &temp_mask) && FD_ISSET (i, &tty_only_mask))
|
|
|
1354 {
|
|
|
1355 struct console *c = tty_find_console_from_fd (i);
|
|
|
1356 Lisp_Object emacs_event = Fmake_event (Qnil, Qnil);
|
|
|
1357 struct Lisp_Event* event = XEVENT (emacs_event);
|
|
|
1358
|
|
|
1359 assert (c);
|
|
|
1360 if (read_event_from_tty_or_stream_desc (event, c, i))
|
|
|
1361 {
|
|
|
1362 mswindows_enqueue_dispatch_event (emacs_event);
|
|
|
1363 return;
|
|
|
1364 }
|
|
|
1365 }
|
|
|
1366 }
|
|
|
1367 #endif
|
|
|
1368 /* Look for a process event */
|
|
|
1369 for (i = 0; i < MAXDESC-1; i++)
|
|
|
1370 {
|
|
|
1371 if (FD_ISSET (i, &temp_mask))
|
|
|
1372 {
|
|
|
1373 if (FD_ISSET (i, &process_only_mask))
|
|
|
1374 {
|
|
|
1375 struct Lisp_Process *p =
|
|
|
1376 get_process_from_usid (FD_TO_USID(i));
|
|
|
1377
|
|
|
1378 mswindows_enqueue_process_event (p);
|
|
|
1379 }
|
|
|
1380 else
|
|
|
1381 {
|
|
|
1382 /* We might get here when a fake event came
|
|
|
1383 through a signal. Return a dummy event, so
|
|
|
1384 that a cycle of the command loop will
|
|
|
1385 occur. */
|
|
|
1386 drain_signal_event_pipe ();
|
|
|
1387 mswindows_enqueue_magic_event (NULL, XM_BUMPQUEUE);
|
|
|
1388 }
|
|
|
1389 }
|
|
|
1390 }
|
|
|
1391 }
|
|
|
1392 else if (active==-1)
|
|
|
1393 {
|
|
|
1394 if (errno != EINTR)
|
|
|
1395 {
|
|
|
1396 /* something bad happened */
|
|
|
1397 assert(0);
|
|
|
1398 }
|
|
|
1399 }
|
|
|
1400 else
|
|
|
1401 {
|
|
|
1402 assert(0);
|
|
|
1403 }
|
|
|
1404 #else
|
|
|
1405 /* Now try getting a message or process event */
|
|
|
1406 active = MsgWaitForMultipleObjects (mswindows_waitable_count,
|
|
|
1407 mswindows_waitable_handles,
|
|
|
1408 FALSE, badly_p ? INFINITE : 0,
|
|
|
1409 QS_ALLINPUT);
|
|
|
1410
|
|
|
1411 /* This will assert if handle being waited for becomes abandoned.
|
|
|
1412 Not the case currently tho */
|
|
|
1413 assert ((!badly_p && active == WAIT_TIMEOUT) ||
|
|
|
1414 (active >= WAIT_OBJECT_0 &&
|
|
|
1415 active <= WAIT_OBJECT_0 + mswindows_waitable_count));
|
|
|
1416
|
|
|
1417 if (active == WAIT_TIMEOUT)
|
|
|
1418 {
|
|
|
1419 /* No luck trying - just return what we've already got */
|
|
|
1420 return;
|
|
|
1421 }
|
|
|
1422 else if (active == WAIT_OBJECT_0 + mswindows_waitable_count)
|
|
|
1423 {
|
|
|
1424 /* Got your message, thanks */
|
|
|
1425 mswindows_drain_windows_queue ();
|
|
|
1426 }
|
|
|
1427 else
|
|
|
1428 {
|
|
|
1429 int ix = active - WAIT_OBJECT_0;
|
|
|
1430 /* First, try to find which process' output has signaled */
|
|
|
1431 struct Lisp_Process *p =
|
|
|
1432 get_process_from_usid (HANDLE_TO_USID (mswindows_waitable_handles[ix]));
|
|
|
1433 if (p != NULL)
|
|
|
1434 {
|
|
|
1435 /* Found a signaled process input handle */
|
|
|
1436 mswindows_enqueue_process_event (p);
|
|
|
1437 }
|
|
|
1438 else
|
|
|
1439 {
|
|
|
1440 /* None. This means that the process handle itself has signaled.
|
|
|
1441 Remove the handle from the wait vector, and make status_notify
|
|
|
1442 note the exited process */
|
|
|
1443 mswindows_waitable_handles [ix] =
|
|
|
1444 mswindows_waitable_handles [--mswindows_waitable_count];
|
|
|
1445 kick_status_notify ();
|
|
|
1446 /* Have to return something: there may be no accompanying
|
|
|
1447 process event */
|
|
|
1448 mswindows_enqueue_magic_event (NULL, XM_BUMPQUEUE);
|
|
|
1449 }
|
|
|
1450 }
|
|
|
1451 #endif
|
|
|
1452 } /* while */
|
|
|
1453 }
|
|
|
1454
|
|
|
1455 /************************************************************************/
|
|
|
1456 /* Event generators */
|
|
|
1457 /************************************************************************/
|
|
|
1458
|
|
|
1459 /*
|
|
|
1460 * Callback procedure for synchronous timer messages
|
|
|
1461 */
|
|
|
1462 static void CALLBACK
|
|
|
1463 mswindows_wm_timer_callback (HWND hwnd, UINT umsg, UINT id_timer, DWORD dwtime)
|
|
|
1464 {
|
|
|
1465 Lisp_Object emacs_event = Fmake_event (Qnil, Qnil);
|
|
|
1466 struct Lisp_Event *event = XEVENT (emacs_event);
|
|
|
1467
|
|
|
1468 if (KillTimer (NULL, id_timer))
|
|
|
1469 --mswindows_pending_timers_count;
|
|
|
1470
|
|
|
1471 event->channel = Qnil;
|
|
|
1472 event->timestamp = dwtime;
|
|
|
1473 event->event_type = timeout_event;
|
|
|
1474 event->event.timeout.interval_id = id_timer;
|
|
|
1475 event->event.timeout.function = Qnil;
|
|
|
1476 event->event.timeout.object = Qnil;
|
|
|
1477
|
|
|
1478 mswindows_enqueue_dispatch_event (emacs_event);
|
|
|
1479 }
|
|
|
1480
|
|
|
1481 /*
|
|
|
1482 * Callback procedure for dde messages
|
|
|
1483 *
|
|
|
1484 * We execute a dde Open("file") by simulating a file drop, so dde support
|
|
|
1485 * depends on dnd support.
|
|
|
1486 */
|
|
|
1487 #ifdef HAVE_DRAGNDROP
|
|
|
1488 HDDEDATA CALLBACK
|
|
|
1489 mswindows_dde_callback (UINT uType, UINT uFmt, HCONV hconv,
|
|
|
1490 HSZ hszTopic, HSZ hszItem, HDDEDATA hdata,
|
|
|
1491 DWORD dwData1, DWORD dwData2)
|
|
|
1492 {
|
|
|
1493 switch (uType)
|
|
|
1494 {
|
|
|
1495 case XTYP_CONNECT:
|
|
|
1496 if (!DdeCmpStringHandles (hszTopic, mswindows_dde_topic_system))
|
|
|
1497 return (HDDEDATA)TRUE;
|
|
|
1498 return (HDDEDATA)FALSE;
|
|
|
1499
|
|
|
1500 case XTYP_WILDCONNECT:
|
|
|
1501 {
|
|
|
1502 /* We only support one {service,topic} pair */
|
|
|
1503 HSZPAIR pairs[2] = {
|
|
|
1504 { mswindows_dde_service, mswindows_dde_topic_system }, { 0, 0 } };
|
|
|
1505
|
|
|
1506 if (!(hszItem || DdeCmpStringHandles (hszItem, mswindows_dde_service)) &&
|
|
|
1507 !(hszTopic || DdeCmpStringHandles (hszTopic, mswindows_dde_topic_system)));
|
|
|
1508 return (DdeCreateDataHandle (mswindows_dde_mlid, (LPBYTE)pairs,
|
|
|
1509 sizeof (pairs), 0L, 0, uFmt, 0));
|
|
|
1510 }
|
|
|
1511 return (HDDEDATA)NULL;
|
|
|
1512
|
|
|
1513 case XTYP_EXECUTE:
|
|
|
1514 if (!DdeCmpStringHandles (hszTopic, mswindows_dde_topic_system))
|
|
|
1515 {
|
|
|
1516 DWORD len = DdeGetData (hdata, NULL, 0, 0);
|
|
|
1517 char *cmd = alloca (len+1);
|
|
|
1518 char *end;
|
|
|
1519 char *filename;
|
|
|
1520 struct gcpro gcpro1, gcpro2;
|
|
|
1521 Lisp_Object l_dndlist = Qnil;
|
|
|
1522 Lisp_Object emacs_event = Fmake_event (Qnil, Qnil);
|
|
|
1523 Lisp_Object frmcons, devcons, concons;
|
|
|
1524 struct Lisp_Event *event = XEVENT (emacs_event);
|
|
|
1525
|
|
|
1526 DdeGetData (hdata, cmd, len, 0);
|
|
|
1527 cmd[len] = '\0';
|
|
|
1528 DdeFreeDataHandle (hdata);
|
|
|
1529
|
|
|
1530 /* Check syntax & that it's an [Open("foo")] command, which we
|
|
|
1531 * treat like a file drop */
|
|
|
1532 /* #### Ought to be generalised and accept some other commands */
|
|
|
1533 if (*cmd == '[')
|
|
|
1534 cmd++;
|
|
|
1535 if (strnicmp (cmd, MSWINDOWS_DDE_ITEM_OPEN,
|
|
|
1536 strlen (MSWINDOWS_DDE_ITEM_OPEN)))
|
|
|
1537 return DDE_FNOTPROCESSED;
|
|
|
1538 cmd += strlen (MSWINDOWS_DDE_ITEM_OPEN);
|
|
|
1539 while (*cmd==' ')
|
|
|
1540 cmd++;
|
|
|
1541 if (*cmd!='(' || *(cmd+1)!='\"')
|
|
|
1542 return DDE_FNOTPROCESSED;
|
|
|
1543 end = (cmd+=2);
|
|
|
1544 while (*end && *end!='\"')
|
|
|
1545 end++;
|
|
|
1546 if (!*end)
|
|
|
1547 return DDE_FNOTPROCESSED;
|
|
|
1548 *end = '\0';
|
|
|
1549 if (*(++end)!=')')
|
|
|
1550 return DDE_FNOTPROCESSED;
|
|
|
1551 if (*(++end)==']')
|
|
|
1552 end++;
|
|
|
1553 if (*end)
|
|
|
1554 return DDE_FNOTPROCESSED;
|
|
|
1555
|
|
|
1556 #ifdef __CYGWIN32__
|
|
|
1557 filename = alloca (cygwin32_win32_to_posix_path_list_buf_size (cmd) + 5);
|
|
|
1558 strcpy (filename, "file:");
|
|
|
1559 cygwin32_win32_to_posix_path_list (cmd, filename+5);
|
|
|
1560 #else
|
|
|
1561 dostounix_filename (cmd);
|
|
|
1562 filename = alloca (strlen (cmd)+6);
|
|
|
1563 strcpy (filename, "file:");
|
|
|
1564 strcat (filename, cmd);
|
|
|
1565 #endif
|
|
|
1566 GCPRO2 (emacs_event, l_dndlist);
|
|
|
1567 l_dndlist = make_string (filename, strlen (filename));
|
|
|
1568
|
|
|
1569 /* Find a mswindows frame */
|
|
|
1570 event->channel = Qnil;
|
|
|
1571 FRAME_LOOP_NO_BREAK (frmcons, devcons, concons)
|
|
|
1572 {
|
|
|
1573 Lisp_Object frame = XCAR (frmcons);
|
|
|
1574 if (FRAME_TYPE_P (XFRAME (frame), mswindows))
|
|
|
1575 event->channel = frame;
|
|
|
1576 };
|
|
|
1577 assert (!NILP (event->channel));
|
|
|
1578
|
|
|
1579 event->timestamp = GetTickCount();
|
|
|
1580 event->event_type = misc_user_event;
|
|
|
1581 event->event.misc.button = 1;
|
|
|
1582 event->event.misc.modifiers = 0;
|
|
|
1583 event->event.misc.x = -1;
|
|
|
1584 event->event.misc.y = -1;
|
|
|
1585 event->event.misc.function = Qdragdrop_drop_dispatch;
|
|
|
1586 event->event.misc.object = Fcons (Qdragdrop_URL,
|
|
|
1587 Fcons (l_dndlist, Qnil));
|
|
|
1588 mswindows_enqueue_dispatch_event (emacs_event);
|
|
|
1589 UNGCPRO;
|
|
|
1590 return (HDDEDATA) DDE_FACK;
|
|
|
1591 }
|
|
|
1592 DdeFreeDataHandle (hdata);
|
|
|
1593 return (HDDEDATA) DDE_FNOTPROCESSED;
|
|
|
1594
|
|
|
1595 default:
|
|
|
1596 return (HDDEDATA) NULL;
|
|
|
1597 }
|
|
|
1598 }
|
|
|
1599 #endif
|
|
|
1600
|
|
|
1601 /*
|
|
|
1602 * The windows procedure for the window class XEMACS_CLASS
|
|
|
1603 */
|
|
|
1604 LRESULT WINAPI
|
|
|
1605 mswindows_wnd_proc(HWND hwnd, UINT message, WPARAM wParam, LPARAM lParam)
|
|
|
1606 {
|
|
|
1607 /* Note: Remember to initialize emacs_event and event before use.
|
|
|
1608 This code calls code that can GC. You must GCPRO before calling such code. */
|
|
|
1609 Lisp_Object emacs_event = Qnil;
|
|
|
1610 Lisp_Object fobj = Qnil;
|
|
|
1611
|
|
|
1612 struct Lisp_Event *event;
|
|
|
1613 struct frame *frame;
|
|
|
1614 struct mswindows_frame* msframe;
|
|
|
1615
|
|
|
1616 switch (message)
|
|
|
1617 {
|
|
430
|
1618 case WM_DESTROYCLIPBOARD:
|
|
|
1619 /* We own the clipboard and someone else wants it. Delete our
|
|
|
1620 cached copy of the clipboard contents so we'll ask for it from
|
|
|
1621 Windows again when someone does a paste. */
|
|
|
1622 handle_selection_clear(QCLIPBOARD);
|
|
|
1623 break;
|
|
|
1624
|
|
428
|
1625 case WM_ERASEBKGND:
|
|
|
1626 /* Erase background only during non-dynamic sizing */
|
|
|
1627 msframe = FRAME_MSWINDOWS_DATA (XFRAME (mswindows_find_frame (hwnd)));
|
|
|
1628 if (msframe->sizing && !mswindows_dynamic_frame_resize)
|
|
|
1629 goto defproc;
|
|
|
1630 return 1;
|
|
|
1631
|
|
|
1632 case WM_CLOSE:
|
|
|
1633 fobj = mswindows_find_frame (hwnd);
|
|
|
1634 mswindows_enqueue_misc_user_event (fobj, Qeval, list3 (Qdelete_frame, fobj, Qt));
|
|
|
1635 break;
|
|
|
1636
|
|
|
1637 case WM_KEYUP:
|
|
|
1638 case WM_SYSKEYUP:
|
|
|
1639 /* See Win95 comment under WM_KEYDOWN */
|
|
|
1640 {
|
|
|
1641 BYTE keymap[256];
|
|
|
1642
|
|
|
1643 if (wParam == VK_CONTROL)
|
|
|
1644 {
|
|
|
1645 GetKeyboardState (keymap);
|
|
|
1646 keymap [(lParam & 0x1000000) ? VK_RCONTROL : VK_LCONTROL] &= ~0x80;
|
|
|
1647 SetKeyboardState (keymap);
|
|
|
1648 }
|
|
|
1649 else if (wParam == VK_MENU)
|
|
|
1650 {
|
|
|
1651 GetKeyboardState (keymap);
|
|
|
1652 keymap [(lParam & 0x1000000) ? VK_RMENU : VK_LMENU] &= ~0x80;
|
|
|
1653 SetKeyboardState (keymap);
|
|
|
1654 }
|
|
|
1655 };
|
|
|
1656 goto defproc;
|
|
|
1657
|
|
|
1658 case WM_KEYDOWN:
|
|
|
1659 case WM_SYSKEYDOWN:
|
|
|
1660 /* In some locales the right-hand Alt key is labelled AltGr. This key
|
|
|
1661 * should produce alternative charcaters when combined with another key.
|
|
|
1662 * eg on a German keyboard pressing AltGr+q should produce '@'.
|
|
|
1663 * AltGr generates exactly the same keystrokes as LCtrl+RAlt. But if
|
|
|
1664 * TranslateMessage() is called with *any* combination of Ctrl+Alt down,
|
|
|
1665 * it translates as if AltGr were down.
|
|
|
1666 * We get round this by removing all modifiers from the keymap before
|
|
|
1667 * calling TranslateMessage() unless AltGr is *really* down. */
|
|
|
1668 {
|
|
|
1669 BYTE keymap[256];
|
|
|
1670 int has_AltGr = mswindows_current_layout_has_AltGr ();
|
|
|
1671 int mods;
|
|
|
1672 int extendedp = lParam & 0x1000000;
|
|
|
1673 Lisp_Object keysym;
|
|
|
1674
|
|
|
1675 GetKeyboardState (keymap);
|
|
|
1676 mods = mswindows_modifier_state (keymap, has_AltGr);
|
|
|
1677
|
|
|
1678 /* Handle non-printables */
|
|
|
1679 if (!NILP (keysym = mswindows_key_to_emacs_keysym (wParam, mods,
|
|
|
1680 extendedp)))
|
|
|
1681 mswindows_enqueue_keypress_event (hwnd, keysym, mods);
|
|
|
1682 else /* Normal keys & modifiers */
|
|
|
1683 {
|
|
|
1684 int quit_ch = CONSOLE_QUIT_CHAR (XCONSOLE (mswindows_find_console (hwnd)));
|
|
|
1685 BYTE keymap_orig[256];
|
|
|
1686 POINT pnt = { LOWORD (GetMessagePos()), HIWORD (GetMessagePos()) };
|
|
|
1687 MSG msg;
|
|
|
1688
|
|
|
1689 msg.hwnd = hwnd;
|
|
|
1690 msg.message = message;
|
|
|
1691 msg.wParam = wParam;
|
|
|
1692 msg.lParam = lParam;
|
|
|
1693 msg.time = GetMessageTime();
|
|
|
1694 msg.pt = pnt;
|
|
|
1695
|
|
|
1696 /* GetKeyboardState() does not work as documented on Win95. We have
|
|
|
1697 * to loosely track Left and Right modifiers on behalf of the OS,
|
|
|
1698 * without screwing up Windows NT which tracks them properly. */
|
|
|
1699 if (wParam == VK_CONTROL)
|
|
|
1700 keymap [extendedp ? VK_RCONTROL : VK_LCONTROL] |= 0x80;
|
|
|
1701 else if (wParam == VK_MENU)
|
|
|
1702 keymap [extendedp ? VK_RMENU : VK_LMENU] |= 0x80;
|
|
|
1703
|
|
|
1704 memcpy (keymap_orig, keymap, 256);
|
|
|
1705
|
|
|
1706 /* Remove shift modifier from an ascii character */
|
|
|
1707 mods &= ~MOD_SHIFT;
|
|
|
1708
|
|
|
1709 /* Clear control and alt modifiers unless AltGr is pressed */
|
|
|
1710 keymap [VK_RCONTROL] = 0;
|
|
|
1711 keymap [VK_LMENU] = 0;
|
|
|
1712 if (!has_AltGr || !(keymap [VK_LCONTROL] & 0x80) || !(keymap [VK_RMENU] & 0x80))
|
|
|
1713 {
|
|
|
1714 keymap [VK_LCONTROL] = 0;
|
|
|
1715 keymap [VK_CONTROL] = 0;
|
|
|
1716 keymap [VK_RMENU] = 0;
|
|
|
1717 keymap [VK_MENU] = 0;
|
|
|
1718 }
|
|
|
1719 SetKeyboardState (keymap);
|
|
|
1720
|
|
|
1721 /* Maybe generate some WM_[SYS]CHARs in the queue */
|
|
|
1722 TranslateMessage (&msg);
|
|
|
1723
|
|
|
1724 while (PeekMessage (&msg, hwnd, WM_CHAR, WM_CHAR, PM_REMOVE)
|
|
|
1725 || PeekMessage (&msg, hwnd, WM_SYSCHAR, WM_SYSCHAR, PM_REMOVE))
|
|
|
1726 {
|
|
|
1727 int mods1 = mods;
|
|
|
1728 WPARAM ch = msg.wParam;
|
|
|
1729
|
|
|
1730 /* If a quit char with no modifiers other than control and
|
|
|
1731 shift, then mark it with a fake modifier, which is removed
|
|
|
1732 upon dequeueing the event */
|
|
|
1733 /* #### This might also not withstand localization, if
|
|
|
1734 quit character is not a latin-1 symbol */
|
|
|
1735 if (((quit_ch < ' ' && (mods & MOD_CONTROL) && quit_ch + 'a' - 1 == ch)
|
|
|
1736 || (quit_ch >= ' ' && !(mods & MOD_CONTROL) && quit_ch == ch))
|
|
|
1737 && ((mods & ~(MOD_CONTROL | MOD_SHIFT)) == 0))
|
|
|
1738 {
|
|
|
1739 mods1 |= FAKE_MOD_QUIT;
|
|
|
1740 ++mswindows_quit_chars_count;
|
|
|
1741 }
|
|
|
1742
|
|
|
1743 mswindows_enqueue_keypress_event (hwnd, make_char(ch), mods1);
|
|
|
1744 } /* while */
|
|
|
1745 SetKeyboardState (keymap_orig);
|
|
|
1746 } /* else */
|
|
|
1747 }
|
|
|
1748 /* F10 causes menu activation by default. We do not want this */
|
|
|
1749 if (wParam != VK_F10 && (mswindows_meta_activates_menu || wParam != VK_MENU))
|
|
|
1750 goto defproc;
|
|
|
1751 break;
|
|
|
1752
|
|
|
1753 case WM_MBUTTONDOWN:
|
|
|
1754 case WM_MBUTTONUP:
|
|
|
1755 /* Real middle mouse button has nothing to do with emulated one:
|
|
|
1756 if one wants to exercise fingers playing chords on the mouse,
|
|
|
1757 he is allowed to do that! */
|
|
|
1758 mswindows_enqueue_mouse_button_event (hwnd, message,
|
|
|
1759 MAKEPOINTS (lParam), GetMessageTime());
|
|
|
1760 break;
|
|
|
1761
|
|
|
1762 case WM_LBUTTONUP:
|
|
|
1763 msframe = FRAME_MSWINDOWS_DATA (XFRAME (mswindows_find_frame (hwnd)));
|
|
|
1764 msframe->last_click_time = GetMessageTime();
|
|
|
1765
|
|
|
1766 KillTimer (hwnd, BUTTON_2_TIMER_ID);
|
|
|
1767 msframe->button2_need_lbutton = 0;
|
|
|
1768 if (msframe->ignore_next_lbutton_up)
|
|
|
1769 {
|
|
|
1770 msframe->ignore_next_lbutton_up = 0;
|
|
|
1771 }
|
|
|
1772 else if (msframe->button2_is_down)
|
|
|
1773 {
|
|
|
1774 msframe->button2_is_down = 0;
|
|
|
1775 msframe->ignore_next_rbutton_up = 1;
|
|
|
1776 mswindows_enqueue_mouse_button_event (hwnd, WM_MBUTTONUP,
|
|
|
1777 MAKEPOINTS (lParam), GetMessageTime());
|
|
|
1778 }
|
|
|
1779 else
|
|
|
1780 {
|
|
|
1781 if (msframe->button2_need_rbutton)
|
|
|
1782 {
|
|
|
1783 msframe->button2_need_rbutton = 0;
|
|
|
1784 mswindows_enqueue_mouse_button_event (hwnd, WM_LBUTTONDOWN,
|
|
|
1785 MAKEPOINTS (lParam), GetMessageTime());
|
|
|
1786 }
|
|
|
1787 mswindows_enqueue_mouse_button_event (hwnd, WM_LBUTTONUP,
|
|
|
1788 MAKEPOINTS (lParam), GetMessageTime());
|
|
|
1789 }
|
|
|
1790 break;
|
|
|
1791
|
|
|
1792 case WM_RBUTTONUP:
|
|
|
1793 msframe = FRAME_MSWINDOWS_DATA (XFRAME (mswindows_find_frame (hwnd)));
|
|
|
1794 msframe->last_click_time = GetMessageTime();
|
|
|
1795
|
|
|
1796 KillTimer (hwnd, BUTTON_2_TIMER_ID);
|
|
|
1797 msframe->button2_need_rbutton = 0;
|
|
|
1798 if (msframe->ignore_next_rbutton_up)
|
|
|
1799 {
|
|
|
1800 msframe->ignore_next_rbutton_up = 0;
|
|
|
1801 }
|
|
|
1802 else if (msframe->button2_is_down)
|
|
|
1803 {
|
|
|
1804 msframe->button2_is_down = 0;
|
|
|
1805 msframe->ignore_next_lbutton_up = 1;
|
|
|
1806 mswindows_enqueue_mouse_button_event (hwnd, WM_MBUTTONUP,
|
|
|
1807 MAKEPOINTS (lParam), GetMessageTime());
|
|
|
1808 }
|
|
|
1809 else
|
|
|
1810 {
|
|
|
1811 if (msframe->button2_need_lbutton)
|
|
|
1812 {
|
|
|
1813 msframe->button2_need_lbutton = 0;
|
|
|
1814 mswindows_enqueue_mouse_button_event (hwnd, WM_RBUTTONDOWN,
|
|
|
1815 MAKEPOINTS (lParam), GetMessageTime());
|
|
|
1816 }
|
|
|
1817 mswindows_enqueue_mouse_button_event (hwnd, WM_RBUTTONUP,
|
|
|
1818 MAKEPOINTS (lParam), GetMessageTime());
|
|
|
1819 }
|
|
|
1820 break;
|
|
|
1821
|
|
|
1822 case WM_LBUTTONDOWN:
|
|
|
1823 msframe = FRAME_MSWINDOWS_DATA (XFRAME (mswindows_find_frame (hwnd)));
|
|
|
1824
|
|
|
1825 if (msframe->button2_need_lbutton)
|
|
|
1826 {
|
|
|
1827 KillTimer (hwnd, BUTTON_2_TIMER_ID);
|
|
|
1828 msframe->button2_need_lbutton = 0;
|
|
|
1829 msframe->button2_need_rbutton = 0;
|
|
|
1830 if (mswindows_button2_near_enough (msframe->last_click_point, MAKEPOINTS (lParam)))
|
|
|
1831 {
|
|
|
1832 mswindows_enqueue_mouse_button_event (hwnd, WM_MBUTTONDOWN,
|
|
|
1833 MAKEPOINTS (lParam), GetMessageTime());
|
|
|
1834 msframe->button2_is_down = 1;
|
|
|
1835 }
|
|
|
1836 else
|
|
|
1837 {
|
|
|
1838 mswindows_enqueue_mouse_button_event (hwnd, WM_RBUTTONDOWN,
|
|
|
1839 msframe->last_click_point, msframe->last_click_time);
|
|
|
1840 mswindows_enqueue_mouse_button_event (hwnd, WM_LBUTTONDOWN,
|
|
|
1841 MAKEPOINTS (lParam), GetMessageTime());
|
|
|
1842 }
|
|
|
1843 }
|
|
|
1844 else
|
|
|
1845 {
|
|
|
1846 mswindows_set_chord_timer (hwnd);
|
|
|
1847 msframe->button2_need_rbutton = 1;
|
|
|
1848 msframe->last_click_point = MAKEPOINTS (lParam);
|
|
|
1849 }
|
|
|
1850 msframe->last_click_time = GetMessageTime();
|
|
|
1851 break;
|
|
|
1852
|
|
|
1853 case WM_RBUTTONDOWN:
|
|
|
1854 msframe = FRAME_MSWINDOWS_DATA (XFRAME (mswindows_find_frame (hwnd)));
|
|
|
1855
|
|
|
1856 if (msframe->button2_need_rbutton)
|
|
|
1857 {
|
|
|
1858 KillTimer (hwnd, BUTTON_2_TIMER_ID);
|
|
|
1859 msframe->button2_need_lbutton = 0;
|
|
|
1860 msframe->button2_need_rbutton = 0;
|
|
|
1861 if (mswindows_button2_near_enough (msframe->last_click_point, MAKEPOINTS (lParam)))
|
|
|
1862 {
|
|
|
1863 mswindows_enqueue_mouse_button_event (hwnd, WM_MBUTTONDOWN,
|
|
|
1864 MAKEPOINTS (lParam), GetMessageTime());
|
|
|
1865 msframe->button2_is_down = 1;
|
|
|
1866 }
|
|
|
1867 else
|
|
|
1868 {
|
|
|
1869 mswindows_enqueue_mouse_button_event (hwnd, WM_LBUTTONDOWN,
|
|
|
1870 msframe->last_click_point, msframe->last_click_time);
|
|
|
1871 mswindows_enqueue_mouse_button_event (hwnd, WM_RBUTTONDOWN,
|
|
|
1872 MAKEPOINTS (lParam), GetMessageTime());
|
|
|
1873 }
|
|
|
1874 }
|
|
|
1875 else
|
|
|
1876 {
|
|
|
1877 mswindows_set_chord_timer (hwnd);
|
|
|
1878 msframe->button2_need_lbutton = 1;
|
|
|
1879 msframe->last_click_point = MAKEPOINTS (lParam);
|
|
|
1880 }
|
|
|
1881 msframe->last_click_time = GetMessageTime();
|
|
|
1882 break;
|
|
|
1883
|
|
|
1884 case WM_TIMER:
|
|
|
1885 if (wParam == BUTTON_2_TIMER_ID)
|
|
|
1886 {
|
|
|
1887 msframe = FRAME_MSWINDOWS_DATA (XFRAME (mswindows_find_frame (hwnd)));
|
|
|
1888 KillTimer (hwnd, BUTTON_2_TIMER_ID);
|
|
|
1889
|
|
|
1890 if (msframe->button2_need_lbutton)
|
|
|
1891 {
|
|
|
1892 msframe->button2_need_lbutton = 0;
|
|
|
1893 mswindows_enqueue_mouse_button_event (hwnd, WM_RBUTTONDOWN,
|
|
|
1894 msframe->last_click_point, msframe->last_click_time);
|
|
|
1895 }
|
|
|
1896 else if (msframe->button2_need_rbutton)
|
|
|
1897 {
|
|
|
1898 msframe->button2_need_rbutton = 0;
|
|
|
1899 mswindows_enqueue_mouse_button_event (hwnd, WM_LBUTTONDOWN,
|
|
|
1900 msframe->last_click_point, msframe->last_click_time);
|
|
|
1901 }
|
|
|
1902 }
|
|
|
1903 else
|
|
|
1904 assert ("Spurious timer fired" == 0);
|
|
|
1905 break;
|
|
|
1906
|
|
|
1907 case WM_MOUSEMOVE:
|
|
|
1908 /* Optimization: don't report mouse movement while size is changing */
|
|
|
1909 msframe = FRAME_MSWINDOWS_DATA (XFRAME (mswindows_find_frame (hwnd)));
|
|
|
1910 if (!msframe->sizing)
|
|
|
1911 {
|
|
|
1912 /* When waiting for the second mouse button to finish
|
|
|
1913 button2 emulation, and have moved too far, just pretend
|
|
|
1914 as if timer has expired. This improves drag-select feedback */
|
|
|
1915 if ((msframe->button2_need_lbutton || msframe->button2_need_rbutton)
|
|
|
1916 && !mswindows_button2_near_enough (msframe->last_click_point,
|
|
|
1917 MAKEPOINTS (lParam)))
|
|
|
1918 {
|
|
|
1919 KillTimer (hwnd, BUTTON_2_TIMER_ID);
|
|
|
1920 SendMessage (hwnd, WM_TIMER, BUTTON_2_TIMER_ID, 0);
|
|
|
1921 }
|
|
|
1922
|
|
|
1923 emacs_event = Fmake_event (Qnil, Qnil);
|
|
|
1924 event = XEVENT(emacs_event);
|
|
|
1925
|
|
|
1926 event->channel = mswindows_find_frame(hwnd);
|
|
|
1927 event->timestamp = GetMessageTime();
|
|
|
1928 event->event_type = pointer_motion_event;
|
|
|
1929 event->event.motion.x = MAKEPOINTS(lParam).x;
|
|
|
1930 event->event.motion.y = MAKEPOINTS(lParam).y;
|
|
|
1931 event->event.motion.modifiers = mswindows_modifier_state (NULL, 0);
|
|
|
1932
|
|
|
1933 mswindows_enqueue_dispatch_event (emacs_event);
|
|
|
1934 }
|
|
|
1935 break;
|
|
|
1936
|
|
|
1937 case WM_CANCELMODE:
|
|
|
1938 ReleaseCapture ();
|
|
|
1939 /* Queue a `cancel-mode-internal' misc user event, so mouse
|
|
|
1940 selection would be canceled if any */
|
|
|
1941 mswindows_enqueue_misc_user_event (mswindows_find_frame (hwnd),
|
|
|
1942 Qcancel_mode_internal, Qnil);
|
|
|
1943 break;
|
|
|
1944
|
|
|
1945 case WM_NOTIFY:
|
|
|
1946 {
|
|
|
1947 LPNMHDR nmhdr = (LPNMHDR)lParam;
|
|
|
1948
|
|
|
1949 if (nmhdr->code == TTN_NEEDTEXT)
|
|
|
1950 {
|
|
|
1951 #ifdef HAVE_TOOLBARS
|
|
|
1952 LPTOOLTIPTEXT tttext = (LPTOOLTIPTEXT)lParam;
|
|
|
1953 Lisp_Object btext;
|
|
|
1954
|
|
|
1955 /* find out which toolbar */
|
|
|
1956 frame = XFRAME (mswindows_find_frame (hwnd));
|
|
|
1957 btext = mswindows_get_toolbar_button_text ( frame,
|
|
|
1958 nmhdr->idFrom );
|
|
|
1959
|
|
|
1960 tttext->lpszText = NULL;
|
|
|
1961 tttext->hinst = NULL;
|
|
|
1962
|
|
|
1963 if (!NILP(btext))
|
|
|
1964 {
|
|
|
1965 /* I think this is safe since the text will only go away
|
|
|
1966 when the toolbar does...*/
|
|
|
1967 GET_C_STRING_EXT_DATA_ALLOCA (btext, FORMAT_OS,
|
|
|
1968 tttext->lpszText);
|
|
|
1969 }
|
|
|
1970 #endif
|
|
|
1971 }
|
|
|
1972 /* handle tree view callbacks */
|
|
|
1973 else if (nmhdr->code == TVN_SELCHANGED)
|
|
|
1974 {
|
|
|
1975 NM_TREEVIEW* ptree = (NM_TREEVIEW*)lParam;
|
|
|
1976 frame = XFRAME (mswindows_find_frame (hwnd));
|
|
|
1977 mswindows_handle_gui_wm_command (frame, 0, ptree->itemNew.lParam);
|
|
|
1978 }
|
|
|
1979 /* handle tab control callbacks */
|
|
|
1980 else if (nmhdr->code == TCN_SELCHANGE)
|
|
|
1981 {
|
|
|
1982 TC_ITEM item;
|
|
|
1983 int index = SendMessage (nmhdr->hwndFrom, TCM_GETCURSEL, 0, 0);
|
|
|
1984 frame = XFRAME (mswindows_find_frame (hwnd));
|
|
|
1985
|
|
|
1986 item.mask = TCIF_PARAM;
|
|
|
1987 SendMessage (nmhdr->hwndFrom, TCM_GETITEM, (WPARAM)index,
|
|
|
1988 (LPARAM)&item);
|
|
|
1989
|
|
|
1990 mswindows_handle_gui_wm_command (frame, 0, item.lParam);
|
|
|
1991 }
|
|
|
1992 }
|
|
|
1993 break;
|
|
|
1994
|
|
|
1995 case WM_PAINT:
|
|
|
1996 {
|
|
|
1997 /* According to the docs we need to check GetUpdateRect() before
|
|
|
1998 actually doing a WM_PAINT */
|
|
|
1999 if (GetUpdateRect (hwnd, NULL, FALSE))
|
|
|
2000 {
|
|
|
2001 PAINTSTRUCT paintStruct;
|
|
|
2002 int x, y, width, height;
|
|
|
2003
|
|
|
2004 frame = XFRAME (mswindows_find_frame (hwnd));
|
|
|
2005
|
|
|
2006 BeginPaint (hwnd, &paintStruct);
|
|
|
2007 x = paintStruct.rcPaint.left;
|
|
|
2008 y = paintStruct.rcPaint.top;
|
|
|
2009 width = paintStruct.rcPaint.right - paintStruct.rcPaint.left;
|
|
|
2010 height = paintStruct.rcPaint.bottom - paintStruct.rcPaint.top;
|
|
|
2011 /* Normally we want to ignore expose events when child
|
|
|
2012 windows are unmapped, however once we are in the guts of
|
|
|
2013 WM_PAINT we need to make sure that we don't register
|
|
|
2014 unmaps then because they will not actually occur. */
|
|
|
2015 if (!check_for_ignored_expose (frame, x, y, width, height))
|
|
|
2016 {
|
|
|
2017 hold_ignored_expose_registration = 1;
|
|
|
2018 mswindows_redraw_exposed_area (frame, x, y, width, height);
|
|
|
2019 hold_ignored_expose_registration = 0;
|
|
|
2020 }
|
|
|
2021
|
|
|
2022 EndPaint (hwnd, &paintStruct);
|
|
|
2023 }
|
|
|
2024 else
|
|
|
2025 goto defproc;
|
|
|
2026 }
|
|
|
2027 break;
|
|
|
2028
|
|
|
2029 case WM_SIZE:
|
|
|
2030 /* We only care about this message if our size has really changed */
|
|
|
2031 if (wParam==SIZE_RESTORED || wParam==SIZE_MAXIMIZED || wParam==SIZE_MINIMIZED)
|
|
|
2032 {
|
|
|
2033 RECT rect;
|
|
|
2034 int columns, rows;
|
|
|
2035
|
|
|
2036 fobj = mswindows_find_frame (hwnd);
|
|
|
2037 frame = XFRAME (fobj);
|
|
|
2038 msframe = FRAME_MSWINDOWS_DATA (frame);
|
|
|
2039
|
|
|
2040 /* We cannot handle frame map and unmap hooks right in
|
|
|
2041 this routine, because these may throw. We queue
|
|
|
2042 magic events to run these hooks instead - kkm */
|
|
|
2043
|
|
|
2044 if (wParam==SIZE_MINIMIZED)
|
|
|
2045 {
|
|
|
2046 /* Iconified */
|
|
|
2047 FRAME_VISIBLE_P (frame) = 0;
|
|
|
2048 mswindows_enqueue_magic_event (hwnd, XM_UNMAPFRAME);
|
|
|
2049 }
|
|
|
2050 else
|
|
|
2051 {
|
|
|
2052 GetClientRect(hwnd, &rect);
|
|
|
2053 FRAME_PIXWIDTH(frame) = rect.right;
|
|
|
2054 FRAME_PIXHEIGHT(frame) = rect.bottom;
|
|
|
2055
|
|
|
2056 pixel_to_real_char_size (frame, rect.right, rect.bottom,
|
|
|
2057 &FRAME_MSWINDOWS_CHARWIDTH (frame),
|
|
|
2058 &FRAME_MSWINDOWS_CHARHEIGHT (frame));
|
|
|
2059
|
|
|
2060 pixel_to_char_size (frame, rect.right, rect.bottom, &columns, &rows);
|
|
|
2061 change_frame_size (frame, rows, columns, 1);
|
|
|
2062
|
|
|
2063 /* If we are inside frame creation, we have to apply geometric
|
|
|
2064 properties now. */
|
|
|
2065 if (FRAME_MSWINDOWS_TARGET_RECT (frame))
|
|
|
2066 {
|
|
|
2067 /* Yes, we have to size again */
|
|
|
2068 mswindows_size_frame_internal ( frame,
|
|
|
2069 FRAME_MSWINDOWS_TARGET_RECT
|
|
|
2070 (frame));
|
|
|
2071 /* Reset so we do not get here again. The SetWindowPos call in
|
|
|
2072 * mswindows_size_frame_internal can cause recursion here. */
|
|
|
2073 if (FRAME_MSWINDOWS_TARGET_RECT (frame))
|
|
|
2074 {
|
|
|
2075 xfree (FRAME_MSWINDOWS_TARGET_RECT (frame));
|
|
|
2076 FRAME_MSWINDOWS_TARGET_RECT (frame) = 0;
|
|
|
2077 }
|
|
|
2078 }
|
|
|
2079 else
|
|
|
2080 {
|
|
|
2081 if (!msframe->sizing && !FRAME_VISIBLE_P (frame))
|
|
|
2082 mswindows_enqueue_magic_event (hwnd, XM_MAPFRAME);
|
|
|
2083 FRAME_VISIBLE_P (frame) = 1;
|
|
|
2084
|
|
|
2085 if (!msframe->sizing || mswindows_dynamic_frame_resize)
|
|
|
2086 redisplay ();
|
|
|
2087 }
|
|
|
2088 }
|
|
|
2089 }
|
|
|
2090 break;
|
|
|
2091
|
|
|
2092 /* Misc magic events which only require that the frame be identified */
|
|
|
2093 case WM_SETFOCUS:
|
|
|
2094 case WM_KILLFOCUS:
|
|
|
2095 mswindows_enqueue_magic_event (hwnd, message);
|
|
|
2096 break;
|
|
|
2097
|
|
|
2098 case WM_WINDOWPOSCHANGING:
|
|
|
2099 {
|
|
|
2100 WINDOWPOS *wp = (LPWINDOWPOS) lParam;
|
|
|
2101 WINDOWPLACEMENT wpl = { sizeof(WINDOWPLACEMENT) };
|
|
|
2102 GetWindowPlacement(hwnd, &wpl);
|
|
|
2103
|
|
|
2104 /* Only interested if size is changing and we're not being iconified */
|
|
|
2105 if (wpl.showCmd != SW_SHOWMINIMIZED
|
|
|
2106 && wpl.showCmd != SW_SHOWMAXIMIZED
|
|
|
2107 && !(wp->flags & SWP_NOSIZE))
|
|
|
2108 {
|
|
|
2109 RECT ncsize = { 0, 0, 0, 0 };
|
|
|
2110 int pixwidth, pixheight;
|
|
|
2111 AdjustWindowRectEx (&ncsize, GetWindowLong (hwnd, GWL_STYLE),
|
|
|
2112 GetMenu(hwnd) != NULL,
|
|
|
2113 GetWindowLong (hwnd, GWL_EXSTYLE));
|
|
|
2114
|
|
|
2115 round_size_to_real_char (XFRAME (mswindows_find_frame (hwnd)),
|
|
|
2116 wp->cx - (ncsize.right - ncsize.left),
|
|
|
2117 wp->cy - (ncsize.bottom - ncsize.top),
|
|
|
2118 &pixwidth, &pixheight);
|
|
|
2119
|
|
|
2120 /* Convert client sizes to window sizes */
|
|
|
2121 pixwidth += (ncsize.right - ncsize.left);
|
|
|
2122 pixheight += (ncsize.bottom - ncsize.top);
|
|
|
2123
|
|
|
2124 if (wpl.showCmd != SW_SHOWMAXIMIZED)
|
|
|
2125 {
|
|
|
2126 /* Adjust so that the bottom or right doesn't move if it's
|
|
|
2127 * the top or left that's being changed */
|
|
|
2128 RECT rect;
|
|
|
2129 GetWindowRect (hwnd, &rect);
|
|
|
2130
|
|
|
2131 if (rect.left != wp->x)
|
|
|
2132 wp->x += wp->cx - pixwidth;
|
|
|
2133 if (rect.top != wp->y)
|
|
|
2134 wp->y += wp->cy - pixheight;
|
|
|
2135 }
|
|
|
2136
|
|
|
2137 wp->cx = pixwidth;
|
|
|
2138 wp->cy = pixheight;
|
|
|
2139 }
|
|
|
2140 /* DefWindowProc sends useful WM_GETMINMAXINFO message, and adjusts
|
|
|
2141 window position if the user tries to track window too small */
|
|
|
2142 }
|
|
|
2143 goto defproc;
|
|
|
2144
|
|
|
2145 case WM_ENTERSIZEMOVE:
|
|
|
2146 msframe = FRAME_MSWINDOWS_DATA (XFRAME (mswindows_find_frame (hwnd)));
|
|
|
2147 msframe->sizing = 1;
|
|
|
2148 return 0;
|
|
|
2149
|
|
|
2150 case WM_EXITSIZEMOVE:
|
|
|
2151 msframe = FRAME_MSWINDOWS_DATA (XFRAME (mswindows_find_frame (hwnd)));
|
|
|
2152 msframe->sizing = 0;
|
|
|
2153 /* Queue noop event */
|
|
|
2154 mswindows_enqueue_magic_event (NULL, XM_BUMPQUEUE);
|
|
|
2155 return 0;
|
|
|
2156
|
|
|
2157 #ifdef HAVE_SCROLLBARS
|
|
|
2158 case WM_VSCROLL:
|
|
|
2159 case WM_HSCROLL:
|
|
|
2160 {
|
|
|
2161 /* Direction of scroll is determined by scrollbar instance. */
|
|
|
2162 int code = (int) LOWORD(wParam);
|
|
|
2163 int pos = (short int) HIWORD(wParam);
|
|
|
2164 HWND hwndScrollBar = (HWND) lParam;
|
|
|
2165 struct gcpro gcpro1, gcpro2;
|
|
|
2166
|
|
|
2167 mswindows_handle_scrollbar_event (hwndScrollBar, code, pos);
|
|
|
2168 GCPRO2 (emacs_event, fobj);
|
|
|
2169 if (UNBOUNDP(mswindows_pump_outstanding_events())) /* Can GC */
|
|
|
2170 {
|
|
|
2171 /* Error during event pumping - cancel scroll */
|
|
|
2172 SendMessage (hwndScrollBar, WM_CANCELMODE, 0, 0);
|
|
|
2173 }
|
|
|
2174 UNGCPRO;
|
|
|
2175 break;
|
|
|
2176 }
|
|
|
2177
|
|
|
2178 case WM_MOUSEWHEEL:
|
|
|
2179 {
|
|
|
2180 int keys = LOWORD (wParam); /* Modifier key flags */
|
|
|
2181 int delta = (short) HIWORD (wParam); /* Wheel rotation amount */
|
|
|
2182 struct gcpro gcpro1, gcpro2;
|
|
|
2183
|
|
|
2184 if (mswindows_handle_mousewheel_event (mswindows_find_frame (hwnd), keys, delta))
|
|
|
2185 {
|
|
|
2186 GCPRO2 (emacs_event, fobj);
|
|
|
2187 mswindows_pump_outstanding_events (); /* Can GC */
|
|
|
2188 UNGCPRO;
|
|
|
2189 }
|
|
|
2190 else
|
|
|
2191 goto defproc;
|
|
|
2192 break;
|
|
|
2193 }
|
|
|
2194 #endif
|
|
|
2195
|
|
|
2196 #ifdef HAVE_MENUBARS
|
|
|
2197 case WM_INITMENU:
|
|
|
2198 if (UNBOUNDP (mswindows_handle_wm_initmenu (
|
|
|
2199 (HMENU) wParam,
|
|
|
2200 XFRAME (mswindows_find_frame (hwnd)))))
|
|
|
2201 SendMessage (hwnd, WM_CANCELMODE, 0, 0);
|
|
|
2202 break;
|
|
|
2203
|
|
|
2204 case WM_INITMENUPOPUP:
|
|
|
2205 if (!HIWORD(lParam))
|
|
|
2206 {
|
|
|
2207 if (UNBOUNDP (mswindows_handle_wm_initmenupopup (
|
|
|
2208 (HMENU) wParam,
|
|
|
2209 XFRAME (mswindows_find_frame (hwnd)))))
|
|
|
2210 SendMessage (hwnd, WM_CANCELMODE, 0, 0);
|
|
|
2211 }
|
|
|
2212 break;
|
|
|
2213
|
|
|
2214 #endif /* HAVE_MENUBARS */
|
|
|
2215
|
|
|
2216 case WM_COMMAND:
|
|
|
2217 {
|
|
|
2218 WORD id = LOWORD (wParam);
|
|
|
2219 WORD nid = HIWORD (wParam);
|
|
|
2220 HWND cid = (HWND)lParam;
|
|
|
2221 frame = XFRAME (mswindows_find_frame (hwnd));
|
|
|
2222
|
|
|
2223 #ifdef HAVE_TOOLBARS
|
|
|
2224 if (!NILP (mswindows_handle_toolbar_wm_command (frame, cid, id)))
|
|
|
2225 break;
|
|
|
2226 #endif
|
|
|
2227 /* widgets in a buffer only eval a callback for suitable events.*/
|
|
|
2228 switch (nid)
|
|
|
2229 {
|
|
|
2230 case BN_CLICKED:
|
|
|
2231 case EN_CHANGE:
|
|
|
2232 case CBN_EDITCHANGE:
|
|
|
2233 case CBN_SELCHANGE:
|
|
|
2234 if (!NILP (mswindows_handle_gui_wm_command (frame, cid, id)))
|
|
|
2235 return 0;
|
|
|
2236 }
|
|
|
2237 /* menubars always must come last since the hashtables do not
|
|
|
2238 always exist*/
|
|
|
2239 #ifdef HAVE_MENUBARS
|
|
|
2240 if (!NILP (mswindows_handle_wm_command (frame, id)))
|
|
|
2241 break;
|
|
|
2242 #endif
|
|
|
2243
|
|
|
2244 return DefWindowProc (hwnd, message, wParam, lParam);
|
|
|
2245 /* Bite me - a spurious command. This used to not be able to
|
|
|
2246 happen but with the introduction of widgets its now
|
|
|
2247 possible. */
|
|
|
2248 }
|
|
|
2249 break;
|
|
|
2250
|
|
|
2251 case WM_CTLCOLORBTN:
|
|
|
2252 case WM_CTLCOLORLISTBOX:
|
|
|
2253 case WM_CTLCOLOREDIT:
|
|
|
2254 case WM_CTLCOLORSTATIC:
|
|
|
2255 case WM_CTLCOLORSCROLLBAR:
|
|
|
2256 {
|
|
|
2257 /* if we get an opportunity to paint a widget then do so if
|
|
|
2258 there is an appropriate face */
|
|
|
2259 HWND crtlwnd = (HWND)lParam;
|
|
|
2260 LONG ii = GetWindowLong (crtlwnd, GWL_USERDATA);
|
|
|
2261 if (ii)
|
|
|
2262 {
|
|
|
2263 Lisp_Object image_instance;
|
|
|
2264 VOID_TO_LISP (image_instance, ii);
|
|
|
2265 if (IMAGE_INSTANCEP (image_instance)
|
|
|
2266 &&
|
|
|
2267 IMAGE_INSTANCE_TYPE_P (image_instance, IMAGE_WIDGET)
|
|
|
2268 &&
|
|
|
2269 !NILP (XIMAGE_INSTANCE_WIDGET_FACE (image_instance)))
|
|
|
2270 {
|
|
|
2271 /* set colors for the buttons */
|
|
|
2272 HDC hdc = (HDC)wParam;
|
|
|
2273 if (last_widget_brushed != ii)
|
|
|
2274 {
|
|
|
2275 if (widget_brush)
|
|
|
2276 DeleteObject (widget_brush);
|
|
|
2277 widget_brush = CreateSolidBrush
|
|
|
2278 (COLOR_INSTANCE_MSWINDOWS_COLOR
|
|
|
2279 (XCOLOR_INSTANCE
|
|
|
2280 (FACE_BACKGROUND
|
|
|
2281 (XIMAGE_INSTANCE_WIDGET_FACE (image_instance),
|
|
|
2282 XIMAGE_INSTANCE_SUBWINDOW_FRAME (image_instance)))));
|
|
|
2283 }
|
|
|
2284 last_widget_brushed = ii;
|
|
|
2285 SetTextColor
|
|
|
2286 (hdc,
|
|
|
2287 COLOR_INSTANCE_MSWINDOWS_COLOR
|
|
|
2288 (XCOLOR_INSTANCE
|
|
|
2289 (FACE_FOREGROUND
|
|
|
2290 (XIMAGE_INSTANCE_WIDGET_FACE (image_instance),
|
|
|
2291 XIMAGE_INSTANCE_SUBWINDOW_FRAME (image_instance)))));
|
|
|
2292 SetBkMode (hdc, OPAQUE);
|
|
|
2293 SetBkColor
|
|
|
2294 (hdc,
|
|
|
2295 COLOR_INSTANCE_MSWINDOWS_COLOR
|
|
|
2296 (XCOLOR_INSTANCE
|
|
|
2297 (FACE_BACKGROUND
|
|
|
2298 (XIMAGE_INSTANCE_WIDGET_FACE (image_instance),
|
|
|
2299 XIMAGE_INSTANCE_SUBWINDOW_FRAME (image_instance)))));
|
|
|
2300 return (LRESULT)widget_brush;
|
|
|
2301 }
|
|
|
2302 }
|
|
|
2303 }
|
|
|
2304 goto defproc;
|
|
|
2305
|
|
|
2306 #ifdef HAVE_DRAGNDROP
|
|
|
2307 case WM_DROPFILES: /* implementation ripped-off from event-Xt.c */
|
|
|
2308 {
|
|
|
2309 UINT filecount, i, len;
|
|
|
2310 POINT point;
|
|
|
2311 char* filename;
|
|
|
2312 #ifdef __CYGWIN32__
|
|
|
2313 char* fname;
|
|
|
2314 #endif
|
|
|
2315 Lisp_Object l_dndlist = Qnil, l_item = Qnil;
|
|
|
2316 struct gcpro gcpro1, gcpro2, gcpro3;
|
|
|
2317
|
|
|
2318 emacs_event = Fmake_event (Qnil, Qnil);
|
|
|
2319 event = XEVENT(emacs_event);
|
|
|
2320
|
|
|
2321 GCPRO3 (emacs_event, l_dndlist, l_item);
|
|
|
2322
|
|
|
2323 if (!DragQueryPoint ((HANDLE) wParam, &point))
|
|
|
2324 point.x = point.y = -1; /* outside client area */
|
|
|
2325
|
|
|
2326 event->event_type = misc_user_event;
|
|
|
2327 event->channel = mswindows_find_frame(hwnd);
|
|
|
2328 event->timestamp = GetMessageTime();
|
|
|
2329 event->event.misc.button = 1; /* #### Should try harder */
|
|
|
2330 event->event.misc.modifiers = mswindows_modifier_state (NULL, 0);
|
|
|
2331 event->event.misc.x = point.x;
|
|
|
2332 event->event.misc.y = point.y;
|
|
|
2333 event->event.misc.function = Qdragdrop_drop_dispatch;
|
|
|
2334
|
|
|
2335 filecount = DragQueryFile ((HANDLE) wParam, 0xffffffff, NULL, 0);
|
|
|
2336 for (i=0; i<filecount; i++)
|
|
|
2337 {
|
|
|
2338 len = DragQueryFile ((HANDLE) wParam, i, NULL, 0);
|
|
|
2339 /* The URLs that we make here aren't correct according to section
|
|
|
2340 * 3.10 of rfc1738 because they're missing the //<host>/ part and
|
|
|
2341 * because they may contain reserved characters. But that's OK. */
|
|
|
2342 #ifdef __CYGWIN32__
|
|
|
2343 fname = (char *)xmalloc (len+1);
|
|
|
2344 DragQueryFile ((HANDLE) wParam, i, fname, len+1);
|
|
|
2345 filename = xmalloc (cygwin32_win32_to_posix_path_list_buf_size (fname) + 5);
|
|
|
2346 strcpy (filename, "file:");
|
|
|
2347 cygwin32_win32_to_posix_path_list (fname, filename+5);
|
|
|
2348 xfree (fname);
|
|
|
2349 #else
|
|
|
2350 filename = (char *)xmalloc (len+6);
|
|
|
2351 strcpy (filename, "file:");
|
|
|
2352 DragQueryFile ((HANDLE) wParam, i, filename+5, len+1);
|
|
|
2353 dostounix_filename (filename+5);
|
|
|
2354 #endif
|
|
|
2355 l_item = make_string (filename, strlen (filename));
|
|
|
2356 l_dndlist = Fcons (l_item, l_dndlist);
|
|
|
2357 xfree (filename);
|
|
|
2358 }
|
|
|
2359 DragFinish ((HANDLE) wParam);
|
|
|
2360
|
|
|
2361 event->event.misc.object = Fcons (Qdragdrop_URL, l_dndlist);
|
|
|
2362 mswindows_enqueue_dispatch_event (emacs_event);
|
|
|
2363 UNGCPRO;
|
|
|
2364 }
|
|
|
2365 break;
|
|
|
2366 #endif
|
|
|
2367
|
|
|
2368 defproc:
|
|
|
2369 default:
|
|
|
2370 return DefWindowProc (hwnd, message, wParam, lParam);
|
|
|
2371 }
|
|
|
2372 return (0);
|
|
|
2373 }
|
|
|
2374
|
|
|
2375
|
|
|
2376 /************************************************************************/
|
|
|
2377 /* keyboard, mouse & other helpers for the windows procedure */
|
|
|
2378 /************************************************************************/
|
|
|
2379 static void
|
|
|
2380 mswindows_set_chord_timer (HWND hwnd)
|
|
|
2381 {
|
|
|
2382 int interval;
|
|
|
2383
|
|
|
2384 /* We get one third half system double click threshold */
|
|
|
2385 if (mswindows_mouse_button_tolerance <= 0)
|
|
|
2386 interval = GetDoubleClickTime () / 3;
|
|
|
2387 else
|
|
|
2388 interval = mswindows_mouse_button_tolerance;
|
|
|
2389
|
|
|
2390 SetTimer (hwnd, BUTTON_2_TIMER_ID, interval, 0);
|
|
|
2391 }
|
|
|
2392
|
|
|
2393 static int
|
|
|
2394 mswindows_button2_near_enough (POINTS p1, POINTS p2)
|
|
|
2395 {
|
|
|
2396 int dx, dy;
|
|
|
2397 if (mswindows_mouse_button_max_skew_x <= 0)
|
|
|
2398 dx = GetSystemMetrics (SM_CXDOUBLECLK) / 2;
|
|
|
2399 else
|
|
|
2400 dx = mswindows_mouse_button_max_skew_x;
|
|
|
2401
|
|
|
2402 if (mswindows_mouse_button_max_skew_y <= 0)
|
|
|
2403 dy = GetSystemMetrics (SM_CYDOUBLECLK) / 2;
|
|
|
2404 else
|
|
|
2405 dy = mswindows_mouse_button_max_skew_y;
|
|
|
2406
|
|
|
2407 return abs (p1.x - p2.x) < dx && abs (p1.y- p2.y)< dy;
|
|
|
2408 }
|
|
|
2409
|
|
|
2410 static int
|
|
|
2411 mswindows_current_layout_has_AltGr (void)
|
|
|
2412 {
|
|
|
2413 /* This simple caching mechanism saves 10% of CPU
|
|
|
2414 time when a key typed at autorepeat rate of 30 cps! */
|
|
|
2415 static HKL last_hkl = 0;
|
|
|
2416 static int last_hkl_has_AltGr;
|
|
|
2417
|
|
|
2418 HKL current_hkl = GetKeyboardLayout (0);
|
|
|
2419 if (current_hkl != last_hkl)
|
|
|
2420 {
|
|
|
2421 TCHAR c;
|
|
|
2422 last_hkl_has_AltGr = 0;
|
|
|
2423 /* In this loop, we query whether a character requires
|
|
|
2424 AltGr to be down to generate it. If at least such one
|
|
|
2425 found, this means that the layout does regard AltGr */
|
|
|
2426 for (c = ' '; c <= 0xFFU && c != 0 && !last_hkl_has_AltGr; ++c)
|
|
|
2427 if (HIBYTE (VkKeyScan (c)) == 6)
|
|
|
2428 last_hkl_has_AltGr = 1;
|
|
|
2429 last_hkl = current_hkl;
|
|
|
2430 }
|
|
|
2431 return last_hkl_has_AltGr;
|
|
|
2432 }
|
|
|
2433
|
|
|
2434
|
|
|
2435 /* Returns the state of the modifier keys in the format expected by the
|
|
|
2436 * Lisp_Event key_data, button_data and motion_data modifiers member */
|
|
|
2437 int mswindows_modifier_state (BYTE* keymap, int has_AltGr)
|
|
|
2438 {
|
|
|
2439 int mods = 0;
|
|
|
2440
|
|
|
2441 if (keymap == NULL)
|
|
|
2442 {
|
|
|
2443 keymap = (BYTE*) alloca(256);
|
|
|
2444 GetKeyboardState (keymap);
|
|
|
2445 has_AltGr = mswindows_current_layout_has_AltGr ();
|
|
|
2446 }
|
|
|
2447
|
|
|
2448 if (has_AltGr && (keymap [VK_LCONTROL] & 0x80) && (keymap [VK_RMENU] & 0x80))
|
|
|
2449 {
|
|
|
2450 mods |= (keymap [VK_LMENU] & 0x80) ? MOD_META : 0;
|
|
|
2451 mods |= (keymap [VK_RCONTROL] & 0x80) ? MOD_CONTROL : 0;
|
|
|
2452 }
|
|
|
2453 else
|
|
|
2454 {
|
|
|
2455 mods |= (keymap [VK_MENU] & 0x80) ? MOD_META : 0;
|
|
|
2456 mods |= (keymap [VK_CONTROL] & 0x80) ? MOD_CONTROL : 0;
|
|
|
2457 }
|
|
|
2458
|
|
|
2459 mods |= (keymap [VK_SHIFT] & 0x80) ? MOD_SHIFT : 0;
|
|
|
2460
|
|
|
2461 return mods;
|
|
|
2462 }
|
|
|
2463
|
|
|
2464 /*
|
|
|
2465 * Translate a mswindows virtual key to a keysym.
|
|
|
2466 * Only returns non-Qnil for keys that don't generate WM_CHAR messages
|
|
|
2467 * or whose ASCII codes (like space) xemacs doesn't like.
|
|
|
2468 * Virtual key values are defined in winresrc.h
|
|
|
2469 */
|
|
|
2470 Lisp_Object mswindows_key_to_emacs_keysym (int mswindows_key, int mods,
|
|
|
2471 int extendedp)
|
|
|
2472 {
|
|
|
2473 if (extendedp) /* Keys not present on a 82 key keyboard */
|
|
|
2474 {
|
|
|
2475 switch (mswindows_key)
|
|
|
2476 {
|
|
|
2477 case VK_RETURN: return KEYSYM ("kp-enter");
|
|
|
2478 case VK_PRIOR: return KEYSYM ("prior");
|
|
|
2479 case VK_NEXT: return KEYSYM ("next");
|
|
|
2480 case VK_END: return KEYSYM ("end");
|
|
|
2481 case VK_HOME: return KEYSYM ("home");
|
|
|
2482 case VK_LEFT: return KEYSYM ("left");
|
|
|
2483 case VK_UP: return KEYSYM ("up");
|
|
|
2484 case VK_RIGHT: return KEYSYM ("right");
|
|
|
2485 case VK_DOWN: return KEYSYM ("down");
|
|
|
2486 case VK_INSERT: return KEYSYM ("insert");
|
|
|
2487 case VK_DELETE: return QKdelete;
|
|
|
2488 }
|
|
|
2489 }
|
|
|
2490 else
|
|
|
2491 {
|
|
|
2492 switch (mswindows_key)
|
|
|
2493 {
|
|
|
2494 case VK_BACK: return QKbackspace;
|
|
|
2495 case VK_TAB: return QKtab;
|
|
|
2496 case '\n': return QKlinefeed;
|
|
|
2497 case VK_CLEAR: return KEYSYM ("clear");
|
|
|
2498 case VK_RETURN: return QKreturn;
|
|
|
2499 case VK_ESCAPE: return QKescape;
|
|
|
2500 case VK_SPACE: return QKspace;
|
|
|
2501 case VK_PRIOR: return KEYSYM ("kp-prior");
|
|
|
2502 case VK_NEXT: return KEYSYM ("kp-next");
|
|
|
2503 case VK_END: return KEYSYM ("kp-end");
|
|
|
2504 case VK_HOME: return KEYSYM ("kp-home");
|
|
|
2505 case VK_LEFT: return KEYSYM ("kp-left");
|
|
|
2506 case VK_UP: return KEYSYM ("kp-up");
|
|
|
2507 case VK_RIGHT: return KEYSYM ("kp-right");
|
|
|
2508 case VK_DOWN: return KEYSYM ("kp-down");
|
|
|
2509 case VK_SELECT: return KEYSYM ("select");
|
|
|
2510 case VK_PRINT: return KEYSYM ("print");
|
|
|
2511 case VK_EXECUTE: return KEYSYM ("execute");
|
|
|
2512 case VK_SNAPSHOT: return KEYSYM ("print");
|
|
|
2513 case VK_INSERT: return KEYSYM ("kp-insert");
|
|
|
2514 case VK_DELETE: return KEYSYM ("kp-delete");
|
|
|
2515 case VK_HELP: return KEYSYM ("help");
|
|
|
2516 #if 0 /* FSF Emacs allows these to return configurable syms/mods */
|
|
|
2517 case VK_LWIN return KEYSYM ("");
|
|
|
2518 case VK_RWIN return KEYSYM ("");
|
|
|
2519 #endif
|
|
|
2520 case VK_APPS: return KEYSYM ("menu");
|
|
|
2521 case VK_NUMPAD0: return KEYSYM ("kp-0");
|
|
|
2522 case VK_NUMPAD1: return KEYSYM ("kp-1");
|
|
|
2523 case VK_NUMPAD2: return KEYSYM ("kp-2");
|
|
|
2524 case VK_NUMPAD3: return KEYSYM ("kp-3");
|
|
|
2525 case VK_NUMPAD4: return KEYSYM ("kp-4");
|
|
|
2526 case VK_NUMPAD5: return KEYSYM ("kp-5");
|
|
|
2527 case VK_NUMPAD6: return KEYSYM ("kp-6");
|
|
|
2528 case VK_NUMPAD7: return KEYSYM ("kp-7");
|
|
|
2529 case VK_NUMPAD8: return KEYSYM ("kp-8");
|
|
|
2530 case VK_NUMPAD9: return KEYSYM ("kp-9");
|
|
|
2531 case VK_MULTIPLY: return KEYSYM ("kp-multiply");
|
|
|
2532 case VK_ADD: return KEYSYM ("kp-add");
|
|
|
2533 case VK_SEPARATOR: return KEYSYM ("kp-separator");
|
|
|
2534 case VK_SUBTRACT: return KEYSYM ("kp-subtract");
|
|
|
2535 case VK_DECIMAL: return KEYSYM ("kp-decimal");
|
|
|
2536 case VK_DIVIDE: return KEYSYM ("kp-divide");
|
|
|
2537 case VK_F1: return KEYSYM ("f1");
|
|
|
2538 case VK_F2: return KEYSYM ("f2");
|
|
|
2539 case VK_F3: return KEYSYM ("f3");
|
|
|
2540 case VK_F4: return KEYSYM ("f4");
|
|
|
2541 case VK_F5: return KEYSYM ("f5");
|
|
|
2542 case VK_F6: return KEYSYM ("f6");
|
|
|
2543 case VK_F7: return KEYSYM ("f7");
|
|
|
2544 case VK_F8: return KEYSYM ("f8");
|
|
|
2545 case VK_F9: return KEYSYM ("f9");
|
|
|
2546 case VK_F10: return KEYSYM ("f10");
|
|
|
2547 case VK_F11: return KEYSYM ("f11");
|
|
|
2548 case VK_F12: return KEYSYM ("f12");
|
|
|
2549 case VK_F13: return KEYSYM ("f13");
|
|
|
2550 case VK_F14: return KEYSYM ("f14");
|
|
|
2551 case VK_F15: return KEYSYM ("f15");
|
|
|
2552 case VK_F16: return KEYSYM ("f16");
|
|
|
2553 case VK_F17: return KEYSYM ("f17");
|
|
|
2554 case VK_F18: return KEYSYM ("f18");
|
|
|
2555 case VK_F19: return KEYSYM ("f19");
|
|
|
2556 case VK_F20: return KEYSYM ("f20");
|
|
|
2557 case VK_F21: return KEYSYM ("f21");
|
|
|
2558 case VK_F22: return KEYSYM ("f22");
|
|
|
2559 case VK_F23: return KEYSYM ("f23");
|
|
|
2560 case VK_F24: return KEYSYM ("f24");
|
|
|
2561 }
|
|
|
2562 }
|
|
|
2563 return Qnil;
|
|
|
2564 }
|
|
|
2565
|
|
|
2566 /*
|
|
|
2567 * Find the console that matches the supplied mswindows window handle
|
|
|
2568 */
|
|
|
2569 Lisp_Object
|
|
|
2570 mswindows_find_console (HWND hwnd)
|
|
|
2571 {
|
|
|
2572 /* We only support one console */
|
|
|
2573 return XCAR (Vconsole_list);
|
|
|
2574 }
|
|
|
2575
|
|
|
2576 /*
|
|
|
2577 * Find the frame that matches the supplied mswindows window handle
|
|
|
2578 */
|
|
|
2579 static Lisp_Object
|
|
|
2580 mswindows_find_frame (HWND hwnd)
|
|
|
2581 {
|
|
|
2582 LONG l = GetWindowLong (hwnd, XWL_FRAMEOBJ);
|
|
|
2583 Lisp_Object f;
|
|
|
2584 if (l == 0)
|
|
|
2585 {
|
|
|
2586 /* We are in progress of frame creation. Return the frame
|
|
|
2587 being created, as it still not remembered in the window
|
|
|
2588 extra storage. */
|
|
|
2589 assert (!NILP (Vmswindows_frame_being_created));
|
|
|
2590 return Vmswindows_frame_being_created;
|
|
|
2591 }
|
|
|
2592 VOID_TO_LISP (f, l);
|
|
|
2593 return f;
|
|
|
2594 }
|
|
|
2595
|
|
|
2596
|
|
|
2597 /************************************************************************/
|
|
|
2598 /* methods */
|
|
|
2599 /************************************************************************/
|
|
|
2600
|
|
|
2601 static int
|
|
|
2602 emacs_mswindows_add_timeout (EMACS_TIME thyme)
|
|
|
2603 {
|
|
|
2604 int milliseconds;
|
|
|
2605 EMACS_TIME current_time;
|
|
|
2606 EMACS_GET_TIME (current_time);
|
|
|
2607 EMACS_SUB_TIME (thyme, thyme, current_time);
|
|
|
2608 milliseconds = EMACS_SECS (thyme) * 1000 +
|
|
|
2609 (EMACS_USECS (thyme) + 500) / 1000;
|
|
|
2610 if (milliseconds < 1)
|
|
|
2611 milliseconds = 1;
|
|
|
2612 ++mswindows_pending_timers_count;
|
|
|
2613 return SetTimer (NULL, 0, milliseconds,
|
|
|
2614 (TIMERPROC) mswindows_wm_timer_callback);
|
|
|
2615 }
|
|
|
2616
|
|
|
2617 static void
|
|
|
2618 emacs_mswindows_remove_timeout (int id)
|
|
|
2619 {
|
|
|
2620 struct Lisp_Event match_against;
|
|
|
2621 Lisp_Object emacs_event;
|
|
|
2622
|
|
|
2623 if (KillTimer (NULL, id))
|
|
|
2624 --mswindows_pending_timers_count;
|
|
|
2625
|
|
|
2626 /* If there is a dispatch event generated by this
|
|
|
2627 timeout in the queue, we have to remove it too. */
|
|
|
2628 match_against.event_type = timeout_event;
|
|
|
2629 match_against.event.timeout.interval_id = id;
|
|
|
2630 emacs_event = mswindows_cancel_dispatch_event (&match_against);
|
|
|
2631 if (!NILP (emacs_event))
|
|
|
2632 Fdeallocate_event(emacs_event);
|
|
|
2633 }
|
|
|
2634
|
|
|
2635 /* If `user_p' is false, then return whether there are any win32, timeout,
|
|
|
2636 * or subprocess events pending (that is, whether
|
|
|
2637 * emacs_mswindows_next_event() would return immediately without blocking).
|
|
|
2638 *
|
|
|
2639 * if `user_p' is true, then return whether there are any *user generated*
|
|
|
2640 * events available (that is, whether there are keyboard or mouse-click
|
|
|
2641 * events ready to be read). This also implies that
|
|
|
2642 * emacs_mswindows_next_event() would not block.
|
|
|
2643 */
|
|
|
2644 static int
|
|
|
2645 emacs_mswindows_event_pending_p (int user_p)
|
|
|
2646 {
|
|
|
2647 mswindows_need_event (0);
|
|
|
2648 return (!NILP (mswindows_u_dispatch_event_queue)
|
|
|
2649 || (!user_p && !NILP (mswindows_s_dispatch_event_queue)));
|
|
|
2650 }
|
|
|
2651
|
|
|
2652 /*
|
|
|
2653 * Return the next event
|
|
|
2654 */
|
|
|
2655 static void
|
|
|
2656 emacs_mswindows_next_event (struct Lisp_Event *emacs_event)
|
|
|
2657 {
|
|
|
2658 Lisp_Object event, event2;
|
|
|
2659
|
|
|
2660 mswindows_need_event (1);
|
|
|
2661
|
|
|
2662 event = mswindows_dequeue_dispatch_event ();
|
|
|
2663 XSETEVENT (event2, emacs_event);
|
|
|
2664 Fcopy_event (event, event2);
|
|
|
2665 Fdeallocate_event (event);
|
|
|
2666 }
|
|
|
2667
|
|
|
2668 /*
|
|
|
2669 * Handle a magic event off the dispatch queue.
|
|
|
2670 */
|
|
|
2671 static void
|
|
|
2672 emacs_mswindows_handle_magic_event (struct Lisp_Event *emacs_event)
|
|
|
2673 {
|
|
|
2674 switch (EVENT_MSWINDOWS_MAGIC_TYPE(emacs_event))
|
|
|
2675 {
|
|
|
2676 case XM_BUMPQUEUE:
|
|
|
2677 break;
|
|
|
2678
|
|
|
2679 case WM_SETFOCUS:
|
|
|
2680 case WM_KILLFOCUS:
|
|
|
2681 {
|
|
|
2682 Lisp_Object frame = EVENT_CHANNEL (emacs_event);
|
|
|
2683 struct frame *f = XFRAME (frame);
|
|
|
2684 int in_p = (EVENT_MSWINDOWS_MAGIC_TYPE(emacs_event) == WM_SETFOCUS);
|
|
|
2685 Lisp_Object conser;
|
|
|
2686
|
|
|
2687 /* struct gcpro gcpro1; */
|
|
|
2688
|
|
|
2689 /* Clear sticky modifiers here (if we had any) */
|
|
|
2690
|
|
|
2691 conser = Fcons (frame, Fcons (FRAME_DEVICE (f), in_p ? Qt : Qnil));
|
|
|
2692 /* GCPRO1 (conser); XXX Not necessary? */
|
|
|
2693 emacs_handle_focus_change_preliminary (conser);
|
|
|
2694 /* Under X the stuff up to here is done in the X event handler.
|
|
|
2695 I Don't know why */
|
|
|
2696 emacs_handle_focus_change_final (conser);
|
|
|
2697 /* UNGCPRO; */
|
|
|
2698
|
|
|
2699 }
|
|
|
2700 break;
|
|
|
2701
|
|
|
2702 case XM_MAPFRAME:
|
|
|
2703 case XM_UNMAPFRAME:
|
|
|
2704 {
|
|
|
2705 Lisp_Object frame = EVENT_CHANNEL (emacs_event);
|
|
|
2706 va_run_hook_with_args (EVENT_MSWINDOWS_MAGIC_TYPE(emacs_event)
|
|
|
2707 == XM_MAPFRAME ?
|
|
|
2708 Qmap_frame_hook : Qunmap_frame_hook,
|
|
|
2709 1, frame);
|
|
|
2710 }
|
|
|
2711 break;
|
|
|
2712
|
|
|
2713 /* #### What about Enter & Leave */
|
|
|
2714 #if 0
|
|
|
2715 va_run_hook_with_args (in_p ? Qmouse_enter_frame_hook :
|
|
|
2716 Qmouse_leave_frame_hook, 1, frame);
|
|
|
2717 #endif
|
|
|
2718
|
|
|
2719 default:
|
|
|
2720 assert(0);
|
|
|
2721 }
|
|
|
2722 }
|
|
|
2723
|
|
|
2724 #ifndef HAVE_MSG_SELECT
|
|
|
2725 static HANDLE
|
|
|
2726 get_process_input_waitable (struct Lisp_Process *process)
|
|
|
2727 {
|
|
|
2728 Lisp_Object instr, outstr, p;
|
|
|
2729 XSETPROCESS (p, process);
|
|
|
2730 get_process_streams (process, &instr, &outstr);
|
|
|
2731 assert (!NILP (instr));
|
|
|
2732 #if defined (HAVE_SOCKETS) && !defined(HAVE_MSG_SELECT)
|
|
|
2733 return (network_connection_p (p)
|
|
|
2734 ? get_winsock_stream_waitable (XLSTREAM (instr))
|
|
|
2735 : get_ntpipe_input_stream_waitable (XLSTREAM (instr)));
|
|
|
2736 #else
|
|
|
2737 return get_ntpipe_input_stream_waitable (XLSTREAM (instr));
|
|
|
2738 #endif
|
|
|
2739 }
|
|
|
2740
|
|
|
2741 static void
|
|
|
2742 emacs_mswindows_select_process (struct Lisp_Process *process)
|
|
|
2743 {
|
|
|
2744 HANDLE hev = get_process_input_waitable (process);
|
|
|
2745
|
|
|
2746 if (!add_waitable_handle (hev))
|
|
|
2747 error ("Too many active processes");
|
|
|
2748
|
|
|
2749 #ifdef HAVE_WIN32_PROCESSES
|
|
|
2750 {
|
|
|
2751 Lisp_Object p;
|
|
|
2752 XSETPROCESS (p, process);
|
|
|
2753 if (!network_connection_p (p))
|
|
|
2754 {
|
|
|
2755 HANDLE hprocess = get_nt_process_handle (process);
|
|
|
2756 if (!add_waitable_handle (hprocess))
|
|
|
2757 {
|
|
|
2758 remove_waitable_handle (hev);
|
|
|
2759 error ("Too many active processes");
|
|
|
2760 }
|
|
|
2761 }
|
|
|
2762 }
|
|
|
2763 #endif
|
|
|
2764 }
|
|
|
2765
|
|
|
2766 static void
|
|
|
2767 emacs_mswindows_unselect_process (struct Lisp_Process *process)
|
|
|
2768 {
|
|
|
2769 /* Process handle is removed in the event loop as soon
|
|
|
2770 as it is signaled, so don't bother here about it */
|
|
|
2771 HANDLE hev = get_process_input_waitable (process);
|
|
|
2772 remove_waitable_handle (hev);
|
|
|
2773 }
|
|
|
2774 #endif /* HAVE_MSG_SELECT */
|
|
|
2775
|
|
|
2776 static void
|
|
|
2777 emacs_mswindows_select_console (struct console *con)
|
|
|
2778 {
|
|
|
2779 #ifdef HAVE_MSG_SELECT
|
|
|
2780 if (CONSOLE_MSWINDOWS_P (con))
|
|
|
2781 return; /* mswindows consoles are automatically selected */
|
|
|
2782
|
|
|
2783 event_stream_unixoid_select_console (con);
|
|
|
2784 #endif
|
|
|
2785 }
|
|
|
2786
|
|
|
2787 static void
|
|
|
2788 emacs_mswindows_unselect_console (struct console *con)
|
|
|
2789 {
|
|
|
2790 #ifdef HAVE_MSG_SELECT
|
|
|
2791 if (CONSOLE_MSWINDOWS_P (con))
|
|
|
2792 return; /* mswindows consoles are automatically selected */
|
|
|
2793
|
|
|
2794 event_stream_unixoid_unselect_console (con);
|
|
|
2795 #endif
|
|
|
2796 }
|
|
|
2797
|
|
|
2798 static void
|
|
|
2799 emacs_mswindows_quit_p (void)
|
|
|
2800 {
|
|
|
2801 MSG msg;
|
|
|
2802
|
|
|
2803 /* Quit cannot happen in modal loop: all program
|
|
|
2804 input is dedicated to Windows. */
|
|
|
2805 if (mswindows_in_modal_loop)
|
|
|
2806 return;
|
|
|
2807
|
|
|
2808 /* Drain windows queue. This sets up number of quit characters in the queue
|
|
|
2809 * (and also processes wm focus change, move, resize, etc messages).
|
|
|
2810 * We don't want to process WM_PAINT messages because this function can be
|
|
|
2811 * called from almost anywhere and the windows' states may be changing. */
|
|
|
2812 while (PeekMessage (&msg, NULL, 0, WM_PAINT-1, PM_REMOVE) ||
|
|
|
2813 PeekMessage (&msg, NULL, WM_PAINT+1, WM_USER-1, PM_REMOVE))
|
|
|
2814 DispatchMessage (&msg);
|
|
|
2815
|
|
|
2816 if (mswindows_quit_chars_count > 0)
|
|
|
2817 {
|
|
|
2818 /* Yes there's a hidden one... Throw it away */
|
|
|
2819 struct Lisp_Event match_against;
|
|
|
2820 Lisp_Object emacs_event;
|
|
|
2821
|
|
|
2822 match_against.event_type = key_press_event;
|
|
|
2823 match_against.event.key.modifiers = FAKE_MOD_QUIT;
|
|
|
2824
|
|
|
2825 emacs_event = mswindows_cancel_dispatch_event (&match_against);
|
|
|
2826 assert (!NILP (emacs_event));
|
|
|
2827
|
|
|
2828 Vquit_flag = (XEVENT(emacs_event)->event.key.modifiers & MOD_SHIFT
|
|
|
2829 ? Qcritical : Qt);
|
|
|
2830
|
|
|
2831 Fdeallocate_event(emacs_event);
|
|
|
2832 --mswindows_quit_chars_count;
|
|
|
2833 }
|
|
|
2834 }
|
|
|
2835
|
|
|
2836 USID
|
|
|
2837 emacs_mswindows_create_stream_pair (void* inhandle, void* outhandle,
|
|
|
2838 Lisp_Object* instream,
|
|
|
2839 Lisp_Object* outstream,
|
|
|
2840 int flags)
|
|
|
2841 {
|
|
|
2842 /* Handles for streams */
|
|
|
2843 HANDLE hin, hout;
|
|
|
2844 /* fds. These just stored along with the streams, and are closed in
|
|
|
2845 delete stream pair method, because we need to handle fake unices
|
|
|
2846 here. */
|
|
|
2847 int fdi, fdo;
|
|
|
2848
|
|
|
2849 /* Decode inhandle and outhandle. Their meaning depends on
|
|
|
2850 the process implementation being used. */
|
|
|
2851 #if defined (HAVE_WIN32_PROCESSES)
|
|
|
2852 /* We're passed in Windows handles. That's what we like most... */
|
|
|
2853 hin = (HANDLE) inhandle;
|
|
|
2854 hout = (HANDLE) outhandle;
|
|
|
2855 fdi = fdo = -1;
|
|
|
2856 #elif defined (HAVE_UNIX_PROCESSES)
|
|
|
2857 /* We are passed UNIX fds. This must be Cygwin.
|
|
|
2858 Fetch os handles */
|
|
|
2859 hin = inhandle >= 0 ? (HANDLE)get_osfhandle ((int)inhandle) : INVALID_HANDLE_VALUE;
|
|
|
2860 hout = outhandle >= 0 ? (HANDLE)get_osfhandle ((int)outhandle) : INVALID_HANDLE_VALUE;
|
|
|
2861 fdi=(int)inhandle;
|
|
|
2862 fdo=(int)outhandle;
|
|
|
2863 #else
|
|
|
2864 #error "So, WHICH kind of processes do you want?"
|
|
|
2865 #endif
|
|
|
2866
|
|
|
2867 *instream = (hin == INVALID_HANDLE_VALUE
|
|
|
2868 ? Qnil
|
|
|
2869 #if defined (HAVE_SOCKETS) && !defined (HAVE_MSG_SELECT)
|
|
|
2870 : flags & STREAM_NETWORK_CONNECTION
|
|
|
2871 ? make_winsock_input_stream ((SOCKET)hin, fdi)
|
|
|
2872 #endif
|
|
|
2873 : make_ntpipe_input_stream (hin, fdi));
|
|
|
2874
|
|
|
2875 #ifdef HAVE_WIN32_PROCESSES
|
|
|
2876 *outstream = (hout == INVALID_HANDLE_VALUE
|
|
|
2877 ? Qnil
|
|
|
2878 #if defined (HAVE_SOCKETS) && !defined (HAVE_MSG_SELECT)
|
|
|
2879 : flags & STREAM_NETWORK_CONNECTION
|
|
|
2880 ? make_winsock_output_stream ((SOCKET)hout, fdo)
|
|
|
2881 #endif
|
|
|
2882 : make_ntpipe_output_stream (hout, fdo));
|
|
|
2883 #elif defined (HAVE_UNIX_PROCESSES)
|
|
|
2884 *outstream = (fdo >= 0
|
|
|
2885 ? make_filedesc_output_stream (fdo, 0, -1, LSTR_BLOCKED_OK)
|
|
|
2886 : Qnil);
|
|
|
2887
|
|
|
2888 #if defined(HAVE_UNIX_PROCESSES) && defined(HAVE_PTYS)
|
|
|
2889 /* FLAGS is process->pty_flag for UNIX_PROCESSES */
|
|
|
2890 if ((flags & STREAM_PTY_FLUSHING) && fdo >= 0)
|
|
|
2891 {
|
|
|
2892 Bufbyte eof_char = get_eof_char (fdo);
|
|
|
2893 int pty_max_bytes = get_pty_max_bytes (fdo);
|
|
|
2894 filedesc_stream_set_pty_flushing (XLSTREAM(*outstream), pty_max_bytes, eof_char);
|
|
|
2895 }
|
|
|
2896 #endif
|
|
|
2897 #endif
|
|
|
2898
|
|
|
2899 return (NILP (*instream)
|
|
|
2900 ? USID_ERROR
|
|
|
2901 #if defined(HAVE_SOCKETS) && !defined(HAVE_MSG_SELECT)
|
|
|
2902 : flags & STREAM_NETWORK_CONNECTION
|
|
|
2903 ? HANDLE_TO_USID (get_winsock_stream_waitable (XLSTREAM (*instream)))
|
|
|
2904 #endif
|
|
|
2905 : HANDLE_TO_USID (get_ntpipe_input_stream_waitable (XLSTREAM (*instream))));
|
|
|
2906 }
|
|
|
2907
|
|
|
2908 USID
|
|
|
2909 emacs_mswindows_delete_stream_pair (Lisp_Object instream,
|
|
|
2910 Lisp_Object outstream)
|
|
|
2911 {
|
|
|
2912 /* Oh nothing special here for Win32 at all */
|
|
|
2913 #if defined (HAVE_UNIX_PROCESSES)
|
|
|
2914 int in = (NILP(instream)
|
|
|
2915 ? -1
|
|
|
2916 #if defined(HAVE_SOCKETS) && !defined(HAVE_MSG_SELECT)
|
|
|
2917 : LSTREAM_TYPE_P (XLSTREAM (instream), winsock)
|
|
|
2918 ? get_winsock_stream_param (XLSTREAM (instream))
|
|
|
2919 #endif
|
|
|
2920 : get_ntpipe_input_stream_param (XLSTREAM (instream)));
|
|
|
2921 int out = (NILP(outstream) ? -1
|
|
|
2922 : filedesc_stream_fd (XLSTREAM (outstream)));
|
|
|
2923
|
|
|
2924 if (in >= 0)
|
|
|
2925 close (in);
|
|
|
2926 if (out != in && out >= 0)
|
|
|
2927 close (out);
|
|
|
2928 #endif
|
|
|
2929
|
|
|
2930 return (NILP (instream)
|
|
|
2931 ? USID_DONTHASH
|
|
|
2932 #if defined(HAVE_SOCKETS) && !defined(HAVE_MSG_SELECT)
|
|
|
2933 : LSTREAM_TYPE_P (XLSTREAM (instream), winsock)
|
|
|
2934 ? HANDLE_TO_USID (get_winsock_stream_waitable (XLSTREAM (instream)))
|
|
|
2935 #endif
|
|
|
2936 : HANDLE_TO_USID (get_ntpipe_input_stream_waitable (XLSTREAM (instream))));
|
|
|
2937 }
|
|
|
2938
|
|
|
2939 #ifndef HAVE_X_WINDOWS
|
|
|
2940 /* This is called from GC when a process object is about to be freed.
|
|
|
2941 If we've still got pointers to it in this file, we're gonna lose hard.
|
|
|
2942 */
|
|
|
2943 void
|
|
|
2944 debug_process_finalization (struct Lisp_Process *p)
|
|
|
2945 {
|
|
|
2946 #if 0 /* #### */
|
|
|
2947 Lisp_Object instr, outstr;
|
|
|
2948
|
|
|
2949 get_process_streams (p, &instr, &outstr);
|
|
|
2950 /* if it still has fds, then it hasn't been killed yet. */
|
|
|
2951 assert (NILP(instr));
|
|
|
2952 assert (NILP(outstr));
|
|
|
2953
|
|
|
2954 /* #### More checks here */
|
|
|
2955 #endif
|
|
|
2956 }
|
|
|
2957 #endif
|
|
|
2958
|
|
|
2959 /************************************************************************/
|
|
|
2960 /* initialization */
|
|
|
2961 /************************************************************************/
|
|
|
2962
|
|
|
2963 void
|
|
|
2964 reinit_vars_of_event_mswindows (void)
|
|
|
2965 {
|
|
|
2966 mswindows_in_modal_loop = 0;
|
|
|
2967 mswindows_pending_timers_count = 0;
|
|
|
2968
|
|
|
2969 mswindows_event_stream = xnew (struct event_stream);
|
|
|
2970
|
|
|
2971 mswindows_event_stream->event_pending_p = emacs_mswindows_event_pending_p;
|
|
|
2972 mswindows_event_stream->next_event_cb = emacs_mswindows_next_event;
|
|
|
2973 mswindows_event_stream->handle_magic_event_cb = emacs_mswindows_handle_magic_event;
|
|
|
2974 mswindows_event_stream->add_timeout_cb = emacs_mswindows_add_timeout;
|
|
|
2975 mswindows_event_stream->remove_timeout_cb = emacs_mswindows_remove_timeout;
|
|
|
2976 mswindows_event_stream->quit_p_cb = emacs_mswindows_quit_p;
|
|
|
2977 mswindows_event_stream->select_console_cb = emacs_mswindows_select_console;
|
|
|
2978 mswindows_event_stream->unselect_console_cb = emacs_mswindows_unselect_console;
|
|
|
2979 #ifdef HAVE_MSG_SELECT
|
|
|
2980 mswindows_event_stream->select_process_cb =
|
|
|
2981 (void (*)(struct Lisp_Process*))event_stream_unixoid_select_process;
|
|
|
2982 mswindows_event_stream->unselect_process_cb =
|
|
|
2983 (void (*)(struct Lisp_Process*))event_stream_unixoid_unselect_process;
|
|
|
2984 mswindows_event_stream->create_stream_pair_cb = event_stream_unixoid_create_stream_pair;
|
|
|
2985 mswindows_event_stream->delete_stream_pair_cb = event_stream_unixoid_delete_stream_pair;
|
|
|
2986 #else
|
|
|
2987 mswindows_event_stream->select_process_cb = emacs_mswindows_select_process;
|
|
|
2988 mswindows_event_stream->unselect_process_cb = emacs_mswindows_unselect_process;
|
|
|
2989 mswindows_event_stream->create_stream_pair_cb = emacs_mswindows_create_stream_pair;
|
|
|
2990 mswindows_event_stream->delete_stream_pair_cb = emacs_mswindows_delete_stream_pair;
|
|
|
2991 #endif
|
|
|
2992 }
|
|
|
2993
|
|
|
2994 void
|
|
|
2995 vars_of_event_mswindows (void)
|
|
|
2996 {
|
|
|
2997 reinit_vars_of_event_mswindows ();
|
|
|
2998
|
|
|
2999 mswindows_u_dispatch_event_queue = Qnil;
|
|
|
3000 staticpro (&mswindows_u_dispatch_event_queue);
|
|
|
3001 mswindows_u_dispatch_event_queue_tail = Qnil;
|
|
|
3002 pdump_wire (&mswindows_u_dispatch_event_queue_tail);
|
|
|
3003
|
|
|
3004 mswindows_s_dispatch_event_queue = Qnil;
|
|
|
3005 staticpro (&mswindows_s_dispatch_event_queue);
|
|
|
3006 mswindows_s_dispatch_event_queue_tail = Qnil;
|
|
|
3007 pdump_wire (&mswindows_u_dispatch_event_queue_tail);
|
|
|
3008
|
|
|
3009 mswindows_error_caught_in_modal_loop = Qnil;
|
|
|
3010 staticpro (&mswindows_error_caught_in_modal_loop);
|
|
|
3011
|
|
|
3012 DEFVAR_BOOL ("mswindows-meta-activates-menu", &mswindows_meta_activates_menu /*
|
|
|
3013 *Controls whether pressing and releasing the Meta (Alt) key should
|
|
|
3014 activate the menubar.
|
|
|
3015 Default is t.
|
|
|
3016 */ );
|
|
|
3017
|
|
|
3018 DEFVAR_BOOL ("mswindows-dynamic-frame-resize", &mswindows_dynamic_frame_resize /*
|
|
|
3019 *Controls redrawing frame contents during mouse-drag or keyboard resize
|
|
|
3020 operation. When non-nil, the frame is redrawn while being resized. When
|
|
|
3021 nil, frame is not redrawn, and exposed areas are filled with default
|
|
|
3022 MDI application background color. Note that this option only has effect
|
|
|
3023 if "Show window contents while dragging" is on in system Display/Plus!
|
|
|
3024 settings.
|
|
|
3025 Default is t on fast machines, nil on slow.
|
|
|
3026 */ );
|
|
|
3027
|
|
|
3028 /* The description copied verbatim from nt-emacs. (C) Geoff Voelker */
|
|
|
3029 DEFVAR_INT ("mswindows-mouse-button-tolerance", &mswindows_mouse_button_tolerance /*
|
|
|
3030 *Analogue of double click interval for faking middle mouse events.
|
|
|
3031 The value is the minimum time in milliseconds that must elapse between
|
|
|
3032 left/right button down events before they are considered distinct events.
|
|
|
3033 If both mouse buttons are depressed within this interval, a middle mouse
|
|
|
3034 button down event is generated instead.
|
|
|
3035 If negative or zero, currently set system default is used instead.
|
|
|
3036 */ );
|
|
|
3037
|
|
|
3038 /* The description copied verbatim from nt-emacs. (C) Geoff Voelker */
|
|
|
3039 DEFVAR_INT ("mswindows-num-mouse-buttons", &mswindows_num_mouse_buttons /*
|
|
|
3040 Number of physical mouse buttons.
|
|
|
3041 */ );
|
|
|
3042
|
|
|
3043 DEFVAR_INT ("mswindows-mouse-button-max-skew-x", &mswindows_mouse_button_max_skew_x /*
|
|
|
3044 *Maximum horizontal 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 DEFVAR_INT ("mswindows-mouse-button-max-skew-y", &mswindows_mouse_button_max_skew_y /*
|
|
|
3052 *Maximum vertical distance in pixels between points in which left and
|
|
|
3053 right button clicks occurred for them to be translated into single
|
|
|
3054 middle button event. Clicks must occur in time not longer than defined
|
|
|
3055 by the variable `mswindows-mouse-button-tolerance'.
|
|
|
3056 If negative or zero, currently set system default is used instead.
|
|
|
3057 */ );
|
|
|
3058
|
|
|
3059 mswindows_mouse_button_max_skew_x = 0;
|
|
|
3060 mswindows_mouse_button_max_skew_y = 0;
|
|
|
3061 mswindows_mouse_button_tolerance = 0;
|
|
|
3062 mswindows_meta_activates_menu = 1;
|
|
|
3063 }
|
|
|
3064
|
|
|
3065 void
|
|
|
3066 syms_of_event_mswindows (void)
|
|
|
3067 {
|
|
|
3068 }
|
|
|
3069
|
|
|
3070 void
|
|
|
3071 lstream_type_create_mswindows_selectable (void)
|
|
|
3072 {
|
|
|
3073 init_slurp_stream ();
|
|
|
3074 init_shove_stream ();
|
|
|
3075 #if defined (HAVE_SOCKETS) && !defined(HAVE_MSG_SELECT)
|
|
|
3076 init_winsock_stream ();
|
|
|
3077 #endif
|
|
|
3078 }
|
|
|
3079
|
|
|
3080 void
|
|
|
3081 init_event_mswindows_late (void)
|
|
|
3082 {
|
|
|
3083 #ifdef HAVE_MSG_SELECT
|
|
|
3084 windows_fd = open("/dev/windows", O_RDONLY | O_NONBLOCK, 0);
|
|
|
3085 assert (windows_fd>=0);
|
|
|
3086 FD_SET (windows_fd, &input_wait_mask);
|
|
|
3087 FD_ZERO(&zero_mask);
|
|
|
3088 #endif
|
|
|
3089
|
|
|
3090 event_stream = mswindows_event_stream;
|
|
|
3091
|
|
|
3092 mswindows_dynamic_frame_resize = !GetSystemMetrics (SM_SLOWMACHINE);
|
|
|
3093 mswindows_num_mouse_buttons = GetSystemMetrics (SM_CMOUSEBUTTONS);
|
|
|
3094 }
|
