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213
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1 /* The mswindows event_stream interface.
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2 Copyright (C) 1991, 1992, 1993, 1994, 1995 Free Software Foundation, Inc.
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3 Copyright (C) 1995 Sun Microsystems, Inc.
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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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272
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30 Rewritten for mswindows by Jonathan Harris, November 1997 for 21.0.
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213
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31 */
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32
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33 #include <config.h>
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34 #include "lisp.h"
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35
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249
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36 #include "console-msw.h"
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37
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38 #ifdef HAVE_SCROLLBARS
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39 # include "scrollbar-msw.h"
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40 #endif
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41
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42 #ifdef HAVE_MENUBARS
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43 # include "menubar-msw.h"
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44 #endif
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45
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284
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46 #ifdef HAVE_DRAGNDROP
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47 # include "dragdrop.h"
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48 #endif
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49
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213
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50 #include "device.h"
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51 #include "events.h"
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52 #include "frame.h"
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274
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53 #include "lstream.h"
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213
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54 #include "process.h"
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227
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55 #include "redisplay.h"
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213
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56 #include "sysproc.h"
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57 #include "syswait.h"
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58 #include "systime.h"
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278
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59 #include "sysdep.h"
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213
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60
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249
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61 #include "events-mod.h"
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278
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62 #ifdef HAVE_MSG_SELECT
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63 #include "sysfile.h"
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284
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64 #elif defined(__CYGWIN32__)
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65 typedef unsigned int SOCKET;
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278
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66 #endif
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276
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67 #include <io.h>
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274
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68 #include <errno.h>
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69
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249
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70 #ifdef HAVE_MENUBARS
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71 #define ADJR_MENUFLAG TRUE
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72 #else
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73 #define ADJR_MENUFLAG FALSE
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74 #endif
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75
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76 /* Fake key modifier which is attached to a quit char event.
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77 Removed upon dequeueing an event */
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78 #define FAKE_MOD_QUIT 0x80
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79
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80 /* Timer ID used for button2 emulation */
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81 #define BUTTON_2_TIMER_ID 1
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82
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278
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83 extern Lisp_Object
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84 mswindows_get_toolbar_button_text (struct frame* f, int command_id);
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85 extern Lisp_Object
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86 mswindows_handle_toolbar_wm_command (struct frame* f, HWND ctrl, WORD id);
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249
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87
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88 static Lisp_Object mswindows_find_frame (HWND hwnd);
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89 static Lisp_Object mswindows_find_console (HWND hwnd);
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371
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90 static Lisp_Object mswindows_key_to_emacs_keysym(int mswindows_key, int mods);
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249
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91 static int mswindows_modifier_state (BYTE* keymap, int has_AltGr);
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92 static void mswindows_set_chord_timer (HWND hwnd);
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93 static int mswindows_button2_near_enough (POINTS p1, POINTS p2);
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94 static int mswindows_current_layout_has_AltGr (void);
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95
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213
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96 static struct event_stream *mswindows_event_stream;
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223
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97
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278
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98 #ifdef HAVE_MSG_SELECT
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99 extern SELECT_TYPE input_wait_mask, non_fake_input_wait_mask;
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100 extern SELECT_TYPE process_only_mask, tty_only_mask;
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101 extern int signal_event_pipe_initialized;
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102 int windows_fd;
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103 #endif
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104
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223
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105 /*
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106 * Two separate queues, for efficiency, one (_u_) for user events, and
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107 * another (_s_) for non-user ones. We always return events out of the
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108 * first one until it is empty and only then proceed with the second
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109 * one.
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110 */
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111 static Lisp_Object mswindows_u_dispatch_event_queue, mswindows_u_dispatch_event_queue_tail;
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112 static Lisp_Object mswindows_s_dispatch_event_queue, mswindows_s_dispatch_event_queue_tail;
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213
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113
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249
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114 /* The number of things we can wait on */
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115 #define MAX_WAITABLE (MAXIMUM_WAIT_OBJECTS - 1)
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116
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117 /* List of mswindows waitable handles. */
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274
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118 static HANDLE mswindows_waitable_handles[MAX_WAITABLE];
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119
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120 /* Number of wait handles */
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121 static int mswindows_waitable_count=0;
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213
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122
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223
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123 /* Count of quit chars currently in the queue */
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249
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124 /* Incremented in WM_[SYS]KEYDOWN handler in the mswindows_wnd_proc()
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223
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125 Decremented in mswindows_dequeue_dispatch_event() */
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126 int mswindows_quit_chars_count = 0;
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127
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128 /* These are Lisp integers; see DEFVARS in this file for description. */
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129 int mswindows_dynamic_frame_resize;
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130 int mswindows_num_mouse_buttons;
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272
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131 int mswindows_mouse_button_max_skew_x;
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132 int mswindows_mouse_button_max_skew_y;
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133 int mswindows_mouse_button_tolerance;
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223
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134
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227
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135 /* This is the event signaled by the event pump.
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136 See mswindows_pump_outstanding_events for comments */
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231
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137 static Lisp_Object mswindows_error_caught_in_modal_loop;
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138 static int mswindows_in_modal_loop;
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227
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139
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140 /* Count of wound timers */
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141 static int mswindows_pending_timers_count;
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274
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142
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143 /************************************************************************/
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144 /* Pipe instream - reads process output */
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145 /************************************************************************/
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146
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147 #define PIPE_READ_DELAY 20
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148
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149 #define HANDLE_TO_USID(h) ((USID)(h))
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150
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151 #define NTPIPE_SLURP_STREAM_DATA(stream) \
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152 LSTREAM_TYPE_DATA (stream, ntpipe_slurp)
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153
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276
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154 /* This structure is allocated by the main thread, and is deallocated
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155 in the thread upon exit. There are situations when a thread
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156 remains blocked for a long time, much longer than the lstream
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157 exists. For exmaple, "start notepad" command is issued from the
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158 shell, then the shell is closed by C-c C-d. Although the shell
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159 process exits, its output pipe will not get closed until the
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160 notepad process exits also, because it inherits the pipe form the
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161 shell. In this case, we abandon the thread, and let it live until
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162 all such processes exit. While struct ntpipe_slurp_stream is
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163 deallocated in this case, ntpipe_slurp_stream_shared_data are not. */
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164
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165 struct ntpipe_slurp_stream_shared_data
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274
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166 {
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167 HANDLE hev_thread; /* Our thread blocks on this, signaled by caller */
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168 /* This is a manual-reset object. */
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169 HANDLE hev_caller; /* Caller blocks on this, and we signal it */
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170 /* This is a manual-reset object. */
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171 HANDLE hev_unsleep; /* Pipe read delay is canceled if this is set */
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172 /* This is a manual-reset object. */
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173 HANDLE hpipe; /* Pipe read end handle. */
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276
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174 LONG die_p; /* Thread must exit ASAP if non-zero */
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274
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175 BOOL eof_p : 1; /* Set when thread saw EOF */
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176 BOOL error_p : 1; /* Read error other than EOF/broken pipe */
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276
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177 BOOL inuse_p : 1; /* this structure is in use */
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178 LONG lock_count; /* Client count of this struct, 0=safe to free */
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179 BYTE onebyte; /* One byte buffer read by thread */
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180 };
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181
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182 #define MAX_SLURP_STREAMS 32
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183 struct ntpipe_slurp_stream_shared_data
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278
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184 shared_data_block[MAX_SLURP_STREAMS]={{0}};
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276
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185
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186 struct ntpipe_slurp_stream
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187 {
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188 LPARAM user_data; /* Any user data stored in the stream object */
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189 struct ntpipe_slurp_stream_shared_data* thread_data;
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274
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190 };
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191
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192 DEFINE_LSTREAM_IMPLEMENTATION ("ntpipe-input", lstream_ntpipe_slurp,
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193 sizeof (struct ntpipe_slurp_stream));
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194
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276
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195 /* This function is thread-safe, and is called from either thread
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196 context. It serializes freeing shared dtata structure */
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197 static void
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198 slurper_free_shared_data_maybe (struct ntpipe_slurp_stream_shared_data* s)
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199 {
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200 if (InterlockedDecrement (&s->lock_count) == 0)
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201 {
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202 /* Destroy events */
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203 CloseHandle (s->hev_thread);
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204 CloseHandle (s->hev_caller);
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205 CloseHandle (s->hev_unsleep);
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206 s->inuse_p = 0;
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207 }
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208 }
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209
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210 static struct ntpipe_slurp_stream_shared_data*
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211 slurper_allocate_shared_data()
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212 {
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213 int i=0;
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214 for (i=0; i<MAX_SLURP_STREAMS; i++)
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215 {
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216 if (!shared_data_block[i].inuse_p)
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217 {
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218 shared_data_block[i].inuse_p=1;
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219 return &shared_data_block[i];
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220 }
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221 }
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222 return (struct ntpipe_slurp_stream_shared_data*)0;
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223 }
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224
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274
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225 static DWORD WINAPI
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226 slurp_thread (LPVOID vparam)
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227 {
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276
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228 struct ntpipe_slurp_stream_shared_data *s =
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229 (struct ntpipe_slurp_stream_shared_data*)vparam;
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274
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230
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231 for (;;)
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232 {
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233 /* Read one byte from the pipe */
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234 DWORD actually_read;
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235 if (!ReadFile (s->hpipe, &s->onebyte, 1, &actually_read, NULL))
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236 {
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237 DWORD err = GetLastError ();
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238 if (err == ERROR_BROKEN_PIPE || err == ERROR_NO_DATA)
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239 s->eof_p = TRUE;
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240 else
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241 s->error_p = TRUE;
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242 }
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243 else if (actually_read == 0)
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244 s->eof_p = TRUE;
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245
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246 /* We must terminate on an error or eof */
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247 if (s->eof_p || s->error_p)
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248 InterlockedIncrement (&s->die_p);
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249
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250 /* Before we notify caller, we unsignal our event. */
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251 ResetEvent (s->hev_thread);
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252
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253 /* Now we got something to notify caller, either a byte or an
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254 error/eof indication. Before we do, allow internal pipe
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255 buffer to accumulate little bit more data.
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256 Reader function pulses this event before waiting for
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276
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257 a character, to avoid pipe delay, and to get the byte
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274
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258 immediately. */
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259 if (!s->die_p)
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260 WaitForSingleObject (s->hev_unsleep, PIPE_READ_DELAY);
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261
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262 /* Either make event loop generate a process event, or
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263 inblock reader */
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264 SetEvent (s->hev_caller);
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265
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266 /* Cleanup and exit if we're shot off */
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267 if (s->die_p)
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268 break;
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269
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270 /* Block until the client finishes with retireving the rest of
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271 pipe data */
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272 WaitForSingleObject (s->hev_thread, INFINITE);
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273 }
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274
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276
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275 slurper_free_shared_data_maybe (s);
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276
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274
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277 return 0;
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278 }
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279
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280 static Lisp_Object
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281 make_ntpipe_input_stream (HANDLE hpipe, LPARAM param)
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282 {
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283 Lisp_Object obj;
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284 Lstream *lstr = Lstream_new (lstream_ntpipe_slurp, "r");
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285 struct ntpipe_slurp_stream* s = NTPIPE_SLURP_STREAM_DATA (lstr);
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286 DWORD thread_id_unused;
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276
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287 HANDLE hthread;
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274
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288
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289 /* We deal only with pipes, for we're using PeekNamedPipe api */
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290 assert (GetFileType (hpipe) == FILE_TYPE_PIPE);
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291
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276
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292 s->thread_data = slurper_allocate_shared_data();
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274
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293
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276
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294 /* Create reader thread. This could fail, so do not create events
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295 until thread is created */
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296 hthread = CreateThread (NULL, 0, slurp_thread, (LPVOID)s->thread_data,
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297 CREATE_SUSPENDED, &thread_id_unused);
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298 if (hthread == NULL)
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274
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299 {
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300 Lstream_delete (lstr);
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276
|
301 s->thread_data->inuse_p=0;
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274
|
302 return Qnil;
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303 }
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304
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276
|
305 /* Shared data are initially owned by both main and slurper
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306 threads. */
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307 s->thread_data->lock_count = 2;
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308 s->thread_data->die_p = 0;
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309 s->thread_data->eof_p = FALSE;
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310 s->thread_data->error_p = FALSE;
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311 s->thread_data->hpipe = hpipe;
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312 s->user_data = param;
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313
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274
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314 /* hev_thread is a manual-reset event, initially signaled */
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276
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315 s->thread_data->hev_thread = CreateEvent (NULL, TRUE, TRUE, NULL);
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274
|
316 /* hev_caller is a manual-reset event, initially nonsignaled */
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276
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317 s->thread_data->hev_caller = CreateEvent (NULL, TRUE, FALSE, NULL);
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274
|
318 /* hev_unsleep is a manual-reset event, initially nonsignaled */
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276
|
319 s->thread_data->hev_unsleep = CreateEvent (NULL, TRUE, FALSE, NULL);
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274
|
320
|
|
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321 /* Now let it go */
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|
276
|
322 ResumeThread (hthread);
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|
323 CloseHandle (hthread);
|
|
274
|
324
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|
|
325 lstr->flags |= LSTREAM_FL_CLOSE_AT_DISKSAVE;
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|
326 XSETLSTREAM (obj, lstr);
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327 return obj;
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328 }
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329
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|
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330 static LPARAM
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|
331 get_ntpipe_input_stream_param (Lstream *stream)
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|
|
332 {
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|
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333 struct ntpipe_slurp_stream* s = NTPIPE_SLURP_STREAM_DATA(stream);
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334 return s->user_data;
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|
335 }
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336
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|
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337 static HANDLE
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338 get_ntpipe_input_stream_waitable (Lstream *stream)
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|
|
339 {
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|
|
340 struct ntpipe_slurp_stream* s = NTPIPE_SLURP_STREAM_DATA(stream);
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276
|
341 return s->thread_data->hev_caller;
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|
274
|
342 }
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|
|
343
|
|
|
344 static int
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|
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345 ntpipe_slurp_reader (Lstream *stream, unsigned char *data, size_t size)
|
|
|
346 {
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|
|
347 /* This function must be called from the main thread only */
|
|
276
|
348 struct ntpipe_slurp_stream_shared_data* s =
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|
|
349 NTPIPE_SLURP_STREAM_DATA(stream)->thread_data;
|
|
274
|
350
|
|
|
351 if (!s->die_p)
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|
|
352 {
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|
|
353 DWORD wait_result;
|
|
276
|
354 /* Disallow pipe read delay for the thread: we need a character
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|
|
355 ASAP */
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|
274
|
356 SetEvent (s->hev_unsleep);
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|
|
357
|
|
276
|
358 /* Check if we have a character ready. Give it a short delay,
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|
|
359 for the thread to awake from pipe delay, just ion case*/
|
|
274
|
360 wait_result = WaitForSingleObject (s->hev_caller, 2);
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|
|
361
|
|
|
362 /* Revert to the normal sleep behavior. */
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|
|
363 ResetEvent (s->hev_unsleep);
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|
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364
|
|
|
365 /* If there's no byte buffered yet, give up */
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|
|
366 if (wait_result == WAIT_TIMEOUT)
|
|
|
367 {
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|
|
368 errno = EAGAIN;
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|
|
369 return -1;
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|
|
370 }
|
|
|
371 }
|
|
|
372
|
|
|
373 /* Reset caller unlock event now, as we've handled the pending
|
|
|
374 process output event */
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|
|
375 ResetEvent (s->hev_caller);
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|
|
376
|
|
|
377 /* It is now safe to do anything with contents of S, except for
|
|
|
378 changing s->die_p, which still should be interlocked */
|
|
|
379
|
|
|
380 if (s->eof_p)
|
|
|
381 return 0;
|
|
|
382 if (s->error_p || s->die_p)
|
|
|
383 return -1;
|
|
|
384
|
|
276
|
385 /* Ok, there were no error neither eof - we've got a byte from the
|
|
|
386 pipe */
|
|
274
|
387 *(data++) = s->onebyte;
|
|
|
388 --size;
|
|
|
389
|
|
276
|
390 {
|
|
|
391 DWORD bytes_read = 0;
|
|
|
392 if (size > 0)
|
|
|
393 {
|
|
|
394 DWORD bytes_available;
|
|
274
|
395
|
|
276
|
396 /* If the api call fails, return at least one byte already
|
|
|
397 read. ReadFile in thread will return error */
|
|
|
398 if (PeekNamedPipe (s->hpipe, NULL, 0, NULL, &bytes_available, NULL))
|
|
|
399 {
|
|
274
|
400
|
|
276
|
401 /* Fetch available bytes. The same consideration applies,
|
|
|
402 so do not check for errors. ReadFile in the thread will
|
|
|
403 fail if the next call fails. */
|
|
|
404 if (bytes_available)
|
|
|
405 ReadFile (s->hpipe, data, min (bytes_available, size),
|
|
|
406 &bytes_read, NULL);
|
|
|
407 }
|
|
|
408
|
|
|
409 /* Now we can unblock thread, so it attempts to read more */
|
|
|
410 SetEvent (s->hev_thread);
|
|
|
411 return bytes_read + 1;
|
|
|
412 }
|
|
|
413 }
|
|
278
|
414 return 0;
|
|
274
|
415 }
|
|
|
416
|
|
|
417 static int
|
|
|
418 ntpipe_slurp_closer (Lstream *stream)
|
|
|
419 {
|
|
|
420 /* This function must be called from the main thread only */
|
|
276
|
421 struct ntpipe_slurp_stream_shared_data* s =
|
|
|
422 NTPIPE_SLURP_STREAM_DATA(stream)->thread_data;
|
|
274
|
423
|
|
|
424 /* Force thread to stop */
|
|
|
425 InterlockedIncrement (&s->die_p);
|
|
|
426
|
|
276
|
427 /* Set events which could possibly block slurper. Let it finish soon
|
|
|
428 or later. */
|
|
274
|
429 SetEvent (s->hev_unsleep);
|
|
|
430 SetEvent (s->hev_thread);
|
|
|
431
|
|
276
|
432 /* Unlock and maybe free shared data */
|
|
|
433 slurper_free_shared_data_maybe (s);
|
|
274
|
434
|
|
|
435 return 0;
|
|
|
436 }
|
|
|
437
|
|
|
438 static void
|
|
|
439 init_slurp_stream (void)
|
|
|
440 {
|
|
|
441 LSTREAM_HAS_METHOD (ntpipe_slurp, reader);
|
|
|
442 LSTREAM_HAS_METHOD (ntpipe_slurp, closer);
|
|
|
443 }
|
|
|
444
|
|
|
445 /************************************************************************/
|
|
|
446 /* Pipe outstream - writes process input */
|
|
|
447 /************************************************************************/
|
|
|
448
|
|
|
449 #define NTPIPE_SHOVE_STREAM_DATA(stream) \
|
|
|
450 LSTREAM_TYPE_DATA (stream, ntpipe_shove)
|
|
|
451
|
|
371
|
452 #define MAX_SHOVE_BUFFER_SIZE 128
|
|
276
|
453
|
|
274
|
454 struct ntpipe_shove_stream
|
|
|
455 {
|
|
|
456 LPARAM user_data; /* Any user data stored in the stream object */
|
|
|
457 HANDLE hev_thread; /* Our thread blocks on this, signaled by caller */
|
|
|
458 /* This is an auto-reset object. */
|
|
|
459 HANDLE hpipe; /* Pipe write end handle. */
|
|
|
460 HANDLE hthread; /* Reader thread handle. */
|
|
276
|
461 char buffer[MAX_SHOVE_BUFFER_SIZE]; /* Buffer being written */
|
|
274
|
462 DWORD size; /* Number of bytes to write */
|
|
276
|
463 LONG die_p; /* Thread must exit ASAP if non-zero */
|
|
|
464 LONG idle_p; /* Non-zero if thread is waiting for job */
|
|
274
|
465 BOOL error_p : 1; /* Read error other than EOF/broken pipe */
|
|
|
466 BOOL blocking_p : 1;/* Last write attempt would cause blocking */
|
|
|
467 };
|
|
|
468
|
|
|
469 DEFINE_LSTREAM_IMPLEMENTATION ("ntpipe-output", lstream_ntpipe_shove,
|
|
|
470 sizeof (struct ntpipe_shove_stream));
|
|
|
471
|
|
|
472 static DWORD WINAPI
|
|
|
473 shove_thread (LPVOID vparam)
|
|
|
474 {
|
|
|
475 struct ntpipe_shove_stream *s = (struct ntpipe_shove_stream*) vparam;
|
|
|
476
|
|
|
477 for (;;)
|
|
|
478 {
|
|
|
479 DWORD bytes_written;
|
|
|
480
|
|
|
481 /* Block on event and wait for a job */
|
|
|
482 InterlockedIncrement (&s->idle_p);
|
|
|
483 WaitForSingleObject (s->hev_thread, INFINITE);
|
|
|
484
|
|
371
|
485 if (s->die_p)
|
|
|
486 break;
|
|
|
487
|
|
|
488 /* Write passed buffer */
|
|
|
489 if (!WriteFile (s->hpipe, s->buffer, s->size, &bytes_written, NULL)
|
|
|
490 || bytes_written != s->size)
|
|
274
|
491 {
|
|
371
|
492 s->error_p = TRUE;
|
|
|
493 InterlockedIncrement (&s->die_p);
|
|
274
|
494 }
|
|
|
495
|
|
|
496 if (s->die_p)
|
|
|
497 break;
|
|
|
498 }
|
|
|
499
|
|
|
500 return 0;
|
|
|
501 }
|
|
|
502
|
|
|
503 static Lisp_Object
|
|
|
504 make_ntpipe_output_stream (HANDLE hpipe, LPARAM param)
|
|
|
505 {
|
|
|
506 Lisp_Object obj;
|
|
|
507 Lstream *lstr = Lstream_new (lstream_ntpipe_shove, "w");
|
|
|
508 struct ntpipe_shove_stream* s = NTPIPE_SHOVE_STREAM_DATA (lstr);
|
|
|
509 DWORD thread_id_unused;
|
|
|
510
|
|
|
511 s->die_p = 0;
|
|
|
512 s->error_p = FALSE;
|
|
|
513 s->hpipe = hpipe;
|
|
|
514 s->user_data = param;
|
|
|
515
|
|
|
516 /* Create reader thread. This could fail, so do not
|
|
|
517 create the event until thread is created */
|
|
|
518 s->hthread = CreateThread (NULL, 0, shove_thread, (LPVOID)s,
|
|
|
519 CREATE_SUSPENDED, &thread_id_unused);
|
|
|
520 if (s->hthread == NULL)
|
|
|
521 {
|
|
|
522 Lstream_delete (lstr);
|
|
|
523 return Qnil;
|
|
|
524 }
|
|
|
525
|
|
|
526 /* hev_thread is an auto-reset event, initially nonsignaled */
|
|
|
527 s->hev_thread = CreateEvent (NULL, FALSE, FALSE, NULL);
|
|
|
528
|
|
|
529 /* Now let it go */
|
|
|
530 ResumeThread (s->hthread);
|
|
|
531
|
|
|
532 lstr->flags |= LSTREAM_FL_CLOSE_AT_DISKSAVE;
|
|
|
533 XSETLSTREAM (obj, lstr);
|
|
|
534 return obj;
|
|
|
535 }
|
|
|
536
|
|
|
537 static LPARAM
|
|
|
538 get_ntpipe_output_stream_param (Lstream *stream)
|
|
|
539 {
|
|
|
540 struct ntpipe_shove_stream* s = NTPIPE_SHOVE_STREAM_DATA(stream);
|
|
|
541 return s->user_data;
|
|
|
542 }
|
|
|
543
|
|
|
544 static int
|
|
|
545 ntpipe_shove_writer (Lstream *stream, const unsigned char *data, size_t size)
|
|
|
546 {
|
|
|
547 struct ntpipe_shove_stream* s = NTPIPE_SHOVE_STREAM_DATA(stream);
|
|
|
548
|
|
|
549 if (s->error_p)
|
|
|
550 return -1;
|
|
|
551
|
|
|
552 s->blocking_p = !s->idle_p;
|
|
|
553 if (s->blocking_p)
|
|
|
554 return 0;
|
|
|
555
|
|
276
|
556 if (size>MAX_SHOVE_BUFFER_SIZE)
|
|
|
557 return 0;
|
|
|
558
|
|
274
|
559 memcpy (s->buffer, data, size);
|
|
|
560 s->size = size;
|
|
|
561
|
|
|
562 /* Start output */
|
|
|
563 InterlockedDecrement (&s->idle_p);
|
|
|
564 SetEvent (s->hev_thread);
|
|
|
565 return size;
|
|
|
566 }
|
|
|
567
|
|
|
568 static int
|
|
|
569 ntpipe_shove_was_blocked_p (Lstream *stream)
|
|
|
570 {
|
|
|
571 struct ntpipe_shove_stream* s = NTPIPE_SHOVE_STREAM_DATA(stream);
|
|
|
572 return s->blocking_p;
|
|
|
573 }
|
|
|
574
|
|
|
575 static int
|
|
|
576 ntpipe_shove_closer (Lstream *stream)
|
|
|
577 {
|
|
|
578 struct ntpipe_shove_stream* s = NTPIPE_SHOVE_STREAM_DATA(stream);
|
|
|
579
|
|
|
580 /* Force thread stop */
|
|
|
581 InterlockedIncrement (&s->die_p);
|
|
|
582
|
|
371
|
583 /* Close pipe handle, possibly breaking it */
|
|
|
584 CloseHandle (s->hpipe);
|
|
|
585
|
|
|
586 /* Thread will end upon unblocking */
|
|
274
|
587 SetEvent (s->hev_thread);
|
|
|
588
|
|
|
589 /* Wait while thread terminates */
|
|
|
590 WaitForSingleObject (s->hthread, INFINITE);
|
|
|
591 CloseHandle (s->hthread);
|
|
|
592
|
|
|
593 /* Destroy the event */
|
|
|
594 CloseHandle (s->hev_thread);
|
|
|
595
|
|
|
596 return 0;
|
|
|
597 }
|
|
|
598
|
|
|
599 static void
|
|
|
600 init_shove_stream (void)
|
|
|
601 {
|
|
|
602 LSTREAM_HAS_METHOD (ntpipe_shove, writer);
|
|
|
603 LSTREAM_HAS_METHOD (ntpipe_shove, was_blocked_p);
|
|
|
604 LSTREAM_HAS_METHOD (ntpipe_shove, closer);
|
|
|
605 }
|
|
|
606
|
|
|
607 /************************************************************************/
|
|
282
|
608 /* Winsock I/O stream */
|
|
|
609 /************************************************************************/
|
|
|
610 #if defined (HAVE_SOCKETS) && !defined(HAVE_MSG_SELECT)
|
|
|
611
|
|
|
612 #define WINSOCK_READ_BUFFER_SIZE 1024
|
|
|
613
|
|
|
614 struct winsock_stream
|
|
|
615 {
|
|
|
616 LPARAM user_data; /* Any user data stored in the stream object */
|
|
|
617 SOCKET s; /* Socket handle (which is a Win32 handle) */
|
|
|
618 OVERLAPPED ov; /* Overlapped I/O structure */
|
|
|
619 void* buffer; /* Buffer. Allocated for input stream only */
|
|
|
620 unsigned int bufsize; /* Number of bytes last read */
|
|
|
621 unsigned int bufpos; /* Psition in buffer for next fetch */
|
|
|
622 unsigned int error_p :1; /* I/O Error seen */
|
|
|
623 unsigned int eof_p :1; /* EOF Error seen */
|
|
|
624 unsigned int pending_p :1; /* There is a pending I/O operation */
|
|
|
625 unsigned int blocking_p :1; /* Last write attempt would block */
|
|
|
626 };
|
|
|
627
|
|
|
628 #define WINSOCK_STREAM_DATA(stream) LSTREAM_TYPE_DATA (stream, winsock)
|
|
|
629
|
|
|
630 DEFINE_LSTREAM_IMPLEMENTATION ("winsock", lstream_winsock,
|
|
|
631 sizeof (struct winsock_stream));
|
|
|
632
|
|
|
633 static void
|
|
|
634 winsock_initiate_read (struct winsock_stream *str)
|
|
|
635 {
|
|
|
636 ResetEvent (str->ov.hEvent);
|
|
|
637 str->bufpos = 0;
|
|
|
638
|
|
|
639 if (!ReadFile ((HANDLE)str->s, str->buffer, WINSOCK_READ_BUFFER_SIZE,
|
|
|
640 &str->bufsize, &str->ov))
|
|
|
641 {
|
|
|
642 if (GetLastError () == ERROR_IO_PENDING)
|
|
|
643 str->pending_p = 1;
|
|
|
644 else if (GetLastError () == ERROR_HANDLE_EOF)
|
|
|
645 str->eof_p = 1;
|
|
|
646 else
|
|
|
647 str->error_p = 1;
|
|
|
648 }
|
|
|
649 else if (str->bufsize == 0)
|
|
|
650 str->eof_p = 1;
|
|
|
651 }
|
|
|
652
|
|
|
653 static int
|
|
|
654 winsock_reader (Lstream *stream, unsigned char *data, size_t size)
|
|
|
655 {
|
|
|
656 struct winsock_stream *str = WINSOCK_STREAM_DATA (stream);
|
|
|
657
|
|
|
658 /* If the current operation is not yet complete, there's nothing to
|
|
|
659 give back */
|
|
|
660 if (str->pending_p)
|
|
|
661 {
|
|
|
662 if (WaitForSingleObject (str->ov.hEvent, 0) == WAIT_TIMEOUT)
|
|
|
663 {
|
|
|
664 errno = EAGAIN;
|
|
|
665 return -1;
|
|
|
666 }
|
|
|
667 else
|
|
|
668 {
|
|
|
669 if (!GetOverlappedResult ((HANDLE)str->s, &str->ov, &str->bufsize, TRUE))
|
|
|
670 {
|
|
|
671 if (GetLastError() == ERROR_HANDLE_EOF)
|
|
|
672 str->bufsize = 0;
|
|
|
673 else
|
|
|
674 str->error_p = 1;
|
|
|
675 }
|
|
|
676 if (str->bufsize == 0)
|
|
|
677 str->eof_p = 1;
|
|
|
678 str->pending_p = 0;
|
|
|
679 }
|
|
|
680 }
|
|
|
681
|
|
|
682 if (str->eof_p)
|
|
|
683 return 0;
|
|
|
684 if (str->error_p)
|
|
|
685 return -1;
|
|
|
686
|
|
|
687 /* Return as much of buffer as we have */
|
|
|
688 size = min (size, (size_t) (str->bufsize - str->bufpos));
|
|
|
689 memcpy (data, (void*)((BYTE*)str->buffer + str->bufpos), size);
|
|
|
690 str->bufpos += size;
|
|
|
691
|
|
|
692 /* Read more if buffer is exhausted */
|
|
|
693 if (str->bufsize == str->bufpos)
|
|
|
694 winsock_initiate_read (str);
|
|
|
695
|
|
|
696 return size;
|
|
|
697 }
|
|
|
698
|
|
|
699 static int
|
|
|
700 winsock_writer (Lstream *stream, CONST unsigned char *data, size_t size)
|
|
|
701 {
|
|
|
702 struct winsock_stream *str = WINSOCK_STREAM_DATA (stream);
|
|
|
703
|
|
|
704 if (str->pending_p)
|
|
|
705 {
|
|
|
706 if (WaitForSingleObject (str->ov.hEvent, 0) == WAIT_TIMEOUT)
|
|
|
707 {
|
|
|
708 str->blocking_p = 1;
|
|
|
709 return -1;
|
|
|
710 }
|
|
|
711 else
|
|
|
712 {
|
|
|
713 DWORD dw_unused;
|
|
|
714 if (!GetOverlappedResult ((HANDLE)str->s, &str->ov, &dw_unused, TRUE))
|
|
|
715 str->error_p = 1;
|
|
|
716 str->pending_p = 0;
|
|
|
717 }
|
|
|
718 }
|
|
|
719
|
|
|
720 str->blocking_p = 0;
|
|
|
721
|
|
|
722 if (str->error_p)
|
|
|
723 return -1;
|
|
|
724
|
|
|
725 if (size == 0)
|
|
|
726 return 0;
|
|
|
727
|
|
|
728 {
|
|
|
729 ResetEvent (str->ov.hEvent);
|
|
371
|
730
|
|
|
731 if (WriteFile ((HANDLE)str->s, data, size, NULL, &str->ov)
|
|
282
|
732 || GetLastError() == ERROR_IO_PENDING)
|
|
|
733 str->pending_p = 1;
|
|
|
734 else
|
|
|
735 str->error_p = 1;
|
|
|
736 }
|
|
|
737
|
|
|
738 return str->error_p ? -1 : size;
|
|
|
739 }
|
|
|
740
|
|
|
741 static int
|
|
|
742 winsock_closer (Lstream *lstr)
|
|
|
743 {
|
|
|
744 struct winsock_stream *str = WINSOCK_STREAM_DATA (lstr);
|
|
|
745
|
|
|
746 if (lstr->flags & LSTREAM_FL_READ)
|
|
|
747 shutdown (str->s, 0);
|
|
|
748 else
|
|
|
749 shutdown (str->s, 1);
|
|
|
750
|
|
|
751 CloseHandle ((HANDLE)str->s);
|
|
|
752 if (str->pending_p)
|
|
|
753 WaitForSingleObject (str->ov.hEvent, INFINITE);
|
|
|
754
|
|
|
755 if (lstr->flags & LSTREAM_FL_READ)
|
|
|
756 xfree (str->buffer);
|
|
|
757
|
|
|
758 CloseHandle (str->ov.hEvent);
|
|
|
759 return 0;
|
|
|
760 }
|
|
|
761
|
|
|
762 static int
|
|
|
763 winsock_was_blocked_p (Lstream *stream)
|
|
|
764 {
|
|
|
765 struct winsock_stream *str = WINSOCK_STREAM_DATA (stream);
|
|
|
766 return str->blocking_p;
|
|
|
767 }
|
|
|
768
|
|
|
769 static Lisp_Object
|
|
|
770 make_winsock_stream_1 (SOCKET s, LPARAM param, CONST char *mode)
|
|
|
771 {
|
|
|
772 Lisp_Object obj;
|
|
|
773 Lstream *lstr = Lstream_new (lstream_winsock, mode);
|
|
|
774 struct winsock_stream *str = WINSOCK_STREAM_DATA (lstr);
|
|
|
775
|
|
|
776 str->s = s;
|
|
|
777 str->blocking_p = 0;
|
|
|
778 str->error_p = 0;
|
|
|
779 str->eof_p = 0;
|
|
|
780 str->pending_p = 0;
|
|
|
781 str->user_data = param;
|
|
|
782
|
|
|
783 xzero (str->ov);
|
|
|
784 str->ov.hEvent = CreateEvent (NULL, TRUE, FALSE, NULL);
|
|
|
785
|
|
|
786 if (lstr->flags & LSTREAM_FL_READ)
|
|
|
787 {
|
|
|
788 str->buffer = xmalloc (WINSOCK_READ_BUFFER_SIZE);
|
|
|
789 winsock_initiate_read (str);
|
|
|
790 }
|
|
|
791
|
|
|
792 lstr->flags |= LSTREAM_FL_CLOSE_AT_DISKSAVE;
|
|
|
793 XSETLSTREAM (obj, lstr);
|
|
|
794 return obj;
|
|
|
795 }
|
|
|
796
|
|
|
797 static Lisp_Object
|
|
|
798 make_winsock_input_stream (SOCKET s, LPARAM param)
|
|
|
799 {
|
|
|
800 return make_winsock_stream_1 (s, param, "r");
|
|
|
801 }
|
|
|
802
|
|
|
803 static Lisp_Object
|
|
|
804 make_winsock_output_stream (SOCKET s, LPARAM param)
|
|
|
805 {
|
|
|
806 return make_winsock_stream_1 (s, param, "w");
|
|
|
807 }
|
|
|
808
|
|
|
809 static HANDLE
|
|
|
810 get_winsock_stream_waitable (Lstream *lstr)
|
|
|
811 {
|
|
|
812 struct winsock_stream *str = WINSOCK_STREAM_DATA (lstr);
|
|
|
813 return str->ov.hEvent;
|
|
|
814 }
|
|
|
815
|
|
|
816 static LPARAM
|
|
|
817 get_winsock_stream_param (Lstream *lstr)
|
|
|
818 {
|
|
|
819 struct winsock_stream *str = WINSOCK_STREAM_DATA (lstr);
|
|
|
820 return str->user_data;
|
|
|
821 }
|
|
|
822
|
|
|
823 static void
|
|
|
824 init_winsock_stream (void)
|
|
|
825 {
|
|
|
826 LSTREAM_HAS_METHOD (winsock, reader);
|
|
|
827 LSTREAM_HAS_METHOD (winsock, writer);
|
|
|
828 LSTREAM_HAS_METHOD (winsock, closer);
|
|
|
829 LSTREAM_HAS_METHOD (winsock, was_blocked_p);
|
|
|
830 }
|
|
|
831 #endif /* defined (HAVE_SOCKETS) */
|
|
|
832
|
|
|
833 /************************************************************************/
|
|
274
|
834 /* Dispatch queue management */
|
|
|
835 /************************************************************************/
|
|
227
|
836
|
|
223
|
837 static int
|
|
|
838 mswindows_user_event_p (struct Lisp_Event* sevt)
|
|
|
839 {
|
|
|
840 return (sevt->event_type == key_press_event
|
|
|
841 || sevt->event_type == button_press_event
|
|
288
|
842 || sevt->event_type == button_release_event
|
|
|
843 || sevt->event_type == misc_user_event);
|
|
223
|
844 }
|
|
|
845
|
|
249
|
846 /*
|
|
223
|
847 * Add an emacs event to the proper dispatch queue
|
|
219
|
848 */
|
|
276
|
849 static void
|
|
213
|
850 mswindows_enqueue_dispatch_event (Lisp_Object event)
|
|
|
851 {
|
|
223
|
852 int user_p = mswindows_user_event_p (XEVENT(event));
|
|
|
853 enqueue_event (event,
|
|
|
854 user_p ? &mswindows_u_dispatch_event_queue :
|
|
|
855 &mswindows_s_dispatch_event_queue,
|
|
|
856 user_p ? &mswindows_u_dispatch_event_queue_tail :
|
|
|
857 &mswindows_s_dispatch_event_queue_tail);
|
|
|
858
|
|
276
|
859 /* Avoid blocking on WaitMessage */
|
|
223
|
860 PostMessage (NULL, XM_BUMPQUEUE, 0, 0);
|
|
213
|
861 }
|
|
|
862
|
|
288
|
863 /*
|
|
|
864 * Add a misc-user event to the dispatch queue.
|
|
|
865 *
|
|
|
866 * Stuff it into our own dispatch queue, so we have something
|
|
|
867 * to return from next_event callback.
|
|
|
868 */
|
|
249
|
869 void
|
|
288
|
870 mswindows_enqueue_misc_user_event (Lisp_Object channel, Lisp_Object function,
|
|
|
871 Lisp_Object object)
|
|
276
|
872 {
|
|
288
|
873 Lisp_Object event = Fmake_event (Qnil, Qnil);
|
|
|
874 struct Lisp_Event* e = XEVENT (event);
|
|
276
|
875
|
|
288
|
876 e->event_type = misc_user_event;
|
|
|
877 e->channel = channel;
|
|
|
878 e->event.misc.function = function;
|
|
|
879 e->event.misc.object = object;
|
|
276
|
880
|
|
288
|
881 mswindows_enqueue_dispatch_event (event);
|
|
276
|
882 }
|
|
|
883
|
|
298
|
884 void
|
|
249
|
885 mswindows_enqueue_magic_event (HWND hwnd, UINT message)
|
|
|
886 {
|
|
|
887 Lisp_Object emacs_event = Fmake_event (Qnil, Qnil);
|
|
|
888 struct Lisp_Event* event = XEVENT (emacs_event);
|
|
|
889
|
|
288
|
890 event->channel = hwnd ? mswindows_find_frame (hwnd) : Qnil;
|
|
249
|
891 event->timestamp = GetMessageTime();
|
|
|
892 event->event_type = magic_event;
|
|
|
893 EVENT_MSWINDOWS_MAGIC_TYPE (event) = message;
|
|
|
894
|
|
|
895 mswindows_enqueue_dispatch_event (emacs_event);
|
|
|
896 }
|
|
|
897
|
|
|
898 static void
|
|
274
|
899 mswindows_enqueue_process_event (struct Lisp_Process* p)
|
|
|
900 {
|
|
|
901 Lisp_Object emacs_event = Fmake_event (Qnil, Qnil);
|
|
|
902 struct Lisp_Event* event = XEVENT (emacs_event);
|
|
|
903 Lisp_Object process;
|
|
|
904 XSETPROCESS (process, p);
|
|
|
905
|
|
|
906 event->event_type = process_event;
|
|
|
907 event->timestamp = GetTickCount ();
|
|
|
908 event->event.process.process = process;
|
|
|
909
|
|
|
910 mswindows_enqueue_dispatch_event (emacs_event);
|
|
|
911 }
|
|
|
912
|
|
|
913 static void
|
|
249
|
914 mswindows_enqueue_mouse_button_event (HWND hwnd, UINT message, POINTS where, DWORD when)
|
|
|
915 {
|
|
|
916
|
|
|
917 /* We always use last message time, because mouse button
|
|
|
918 events may get delayed, and XEmacs double click
|
|
|
919 recognition will fail */
|
|
|
920
|
|
|
921 Lisp_Object emacs_event = Fmake_event (Qnil, Qnil);
|
|
|
922 struct Lisp_Event* event = XEVENT(emacs_event);
|
|
|
923
|
|
|
924 event->channel = mswindows_find_frame(hwnd);
|
|
|
925 event->timestamp = when;
|
|
|
926 event->event.button.button =
|
|
|
927 (message==WM_LBUTTONDOWN || message==WM_LBUTTONUP) ? 1 :
|
|
|
928 ((message==WM_RBUTTONDOWN || message==WM_RBUTTONUP) ? 3 : 2);
|
|
|
929 event->event.button.x = where.x;
|
|
|
930 event->event.button.y = where.y;
|
|
|
931 event->event.button.modifiers = mswindows_modifier_state (NULL, 0);
|
|
|
932
|
|
|
933 if (message==WM_LBUTTONDOWN || message==WM_MBUTTONDOWN ||
|
|
|
934 message==WM_RBUTTONDOWN)
|
|
|
935 {
|
|
|
936 event->event_type = button_press_event;
|
|
|
937 SetCapture (hwnd);
|
|
|
938 }
|
|
|
939 else
|
|
|
940 {
|
|
|
941 event->event_type = button_release_event;
|
|
|
942 ReleaseCapture ();
|
|
|
943 }
|
|
|
944
|
|
|
945 mswindows_enqueue_dispatch_event (emacs_event);
|
|
|
946 }
|
|
|
947
|
|
|
948 static void
|
|
|
949 mswindows_enqueue_keypress_event (HWND hwnd, Lisp_Object keysym, int mods)
|
|
|
950 {
|
|
|
951 Lisp_Object emacs_event = Fmake_event (Qnil, Qnil);
|
|
|
952 struct Lisp_Event* event = XEVENT(emacs_event);
|
|
|
953
|
|
|
954 event->channel = mswindows_find_console(hwnd);
|
|
|
955 event->timestamp = GetMessageTime();
|
|
|
956 event->event_type = key_press_event;
|
|
|
957 event->event.key.keysym = keysym;
|
|
|
958 event->event.key.modifiers = mods;
|
|
|
959 mswindows_enqueue_dispatch_event (emacs_event);
|
|
|
960 }
|
|
|
961
|
|
219
|
962 /*
|
|
223
|
963 * Remove and return the first emacs event on the dispatch queue.
|
|
|
964 * Give a preference to user events over non-user ones.
|
|
219
|
965 */
|
|
213
|
966 static Lisp_Object
|
|
223
|
967 mswindows_dequeue_dispatch_event ()
|
|
213
|
968 {
|
|
|
969 Lisp_Object event;
|
|
223
|
970 struct Lisp_Event* sevt;
|
|
|
971
|
|
|
972 assert (!NILP(mswindows_u_dispatch_event_queue) ||
|
|
|
973 !NILP(mswindows_s_dispatch_event_queue));
|
|
|
974
|
|
|
975 event = dequeue_event (
|
|
|
976 NILP(mswindows_u_dispatch_event_queue) ?
|
|
|
977 &mswindows_s_dispatch_event_queue :
|
|
|
978 &mswindows_u_dispatch_event_queue,
|
|
|
979 NILP(mswindows_u_dispatch_event_queue) ?
|
|
|
980 &mswindows_s_dispatch_event_queue_tail :
|
|
|
981 &mswindows_u_dispatch_event_queue_tail);
|
|
|
982
|
|
|
983 sevt = XEVENT(event);
|
|
|
984 if (sevt->event_type == key_press_event
|
|
|
985 && (sevt->event.key.modifiers & FAKE_MOD_QUIT))
|
|
|
986 {
|
|
|
987 sevt->event.key.modifiers &= ~FAKE_MOD_QUIT;
|
|
|
988 --mswindows_quit_chars_count;
|
|
|
989 }
|
|
|
990
|
|
213
|
991 return event;
|
|
|
992 }
|
|
|
993
|
|
|
994 /*
|
|
219
|
995 * Remove and return the first emacs event on the dispatch queue that matches
|
|
223
|
996 * the supplied event
|
|
|
997 * Timeout event matches if interval_id equals to that of the given event.
|
|
|
998 * Keypress event matches if logical AND between modifiers bitmask of the
|
|
|
999 * event in the queue and that of the given event is non-zero
|
|
|
1000 * For all other event types, this function asserts.
|
|
219
|
1001 */
|
|
223
|
1002
|
|
219
|
1003 Lisp_Object
|
|
223
|
1004 mswindows_cancel_dispatch_event (struct Lisp_Event* match)
|
|
219
|
1005 {
|
|
|
1006 Lisp_Object event;
|
|
|
1007 Lisp_Object previous_event=Qnil;
|
|
223
|
1008 int user_p = mswindows_user_event_p (match);
|
|
|
1009 Lisp_Object* head = user_p ? &mswindows_u_dispatch_event_queue :
|
|
|
1010 &mswindows_s_dispatch_event_queue;
|
|
|
1011 Lisp_Object* tail = user_p ? &mswindows_u_dispatch_event_queue_tail :
|
|
|
1012 &mswindows_s_dispatch_event_queue_tail;
|
|
219
|
1013
|
|
223
|
1014 assert (match->event_type == timeout_event
|
|
|
1015 || match->event_type == key_press_event);
|
|
219
|
1016
|
|
223
|
1017 EVENT_CHAIN_LOOP (event, *head)
|
|
|
1018 {
|
|
|
1019 int found = 1;
|
|
|
1020 if (XEVENT_TYPE (event) != match->event_type)
|
|
|
1021 found = 0;
|
|
|
1022 if (found && match->event_type == timeout_event
|
|
|
1023 && (XEVENT(event)->event.timeout.interval_id !=
|
|
|
1024 match->event.timeout.interval_id))
|
|
|
1025 found = 0;
|
|
|
1026 if (found && match->event_type == key_press_event
|
|
|
1027 && ((XEVENT(event)->event.key.modifiers &
|
|
|
1028 match->event.key.modifiers) == 0))
|
|
|
1029 found = 0;
|
|
|
1030
|
|
|
1031 if (found)
|
|
|
1032 {
|
|
|
1033 if (NILP (previous_event))
|
|
|
1034 dequeue_event (head, tail);
|
|
|
1035 else
|
|
|
1036 {
|
|
|
1037 XSET_EVENT_NEXT (previous_event, XEVENT_NEXT (event));
|
|
|
1038 if (EQ (*tail, event))
|
|
|
1039 *tail = previous_event;
|
|
|
1040 }
|
|
|
1041
|
|
|
1042 return event;
|
|
|
1043 }
|
|
219
|
1044 previous_event = event;
|
|
223
|
1045 }
|
|
239
|
1046 return Qnil;
|
|
219
|
1047 }
|
|
274
|
1048
|
|
|
1049 /************************************************************************/
|
|
|
1050 /* Waitable handles manipulation */
|
|
|
1051 /************************************************************************/
|
|
|
1052 static int
|
|
|
1053 find_waitable_handle (HANDLE h)
|
|
|
1054 {
|
|
|
1055 int i;
|
|
|
1056 for (i = 0; i < mswindows_waitable_count; ++i)
|
|
|
1057 if (mswindows_waitable_handles[i] == h)
|
|
|
1058 return i;
|
|
219
|
1059
|
|
274
|
1060 return -1;
|
|
|
1061 }
|
|
249
|
1062
|
|
274
|
1063 static BOOL
|
|
|
1064 add_waitable_handle (HANDLE h)
|
|
|
1065 {
|
|
|
1066 assert (find_waitable_handle (h) < 0);
|
|
|
1067 if (mswindows_waitable_count == MAX_WAITABLE)
|
|
|
1068 return FALSE;
|
|
|
1069
|
|
|
1070 mswindows_waitable_handles [mswindows_waitable_count++] = h;
|
|
|
1071 return TRUE;
|
|
|
1072 }
|
|
|
1073
|
|
|
1074 static void
|
|
|
1075 remove_waitable_handle (HANDLE h)
|
|
|
1076 {
|
|
|
1077 int ix = find_waitable_handle (h);
|
|
|
1078 if (ix < 0)
|
|
|
1079 return;
|
|
|
1080
|
|
|
1081 mswindows_waitable_handles [ix] =
|
|
|
1082 mswindows_waitable_handles [--mswindows_waitable_count];
|
|
|
1083 }
|
|
|
1084
|
|
|
1085
|
|
249
|
1086 /************************************************************************/
|
|
|
1087 /* Event pump */
|
|
|
1088 /************************************************************************/
|
|
|
1089
|
|
231
|
1090 static Lisp_Object
|
|
|
1091 mswindows_modal_loop_error_handler (Lisp_Object cons_sig_data,
|
|
|
1092 Lisp_Object u_n_u_s_e_d)
|
|
|
1093 {
|
|
|
1094 mswindows_error_caught_in_modal_loop = cons_sig_data;
|
|
|
1095 return Qunbound;
|
|
|
1096 }
|
|
|
1097
|
|
|
1098 Lisp_Object
|
|
|
1099 mswindows_protect_modal_loop (Lisp_Object (*bfun) (Lisp_Object barg),
|
|
|
1100 Lisp_Object barg)
|
|
|
1101 {
|
|
|
1102 Lisp_Object tmp;
|
|
|
1103
|
|
|
1104 ++mswindows_in_modal_loop;
|
|
|
1105 tmp = condition_case_1 (Qt,
|
|
|
1106 bfun, barg,
|
|
|
1107 mswindows_modal_loop_error_handler, Qnil);
|
|
|
1108 --mswindows_in_modal_loop;
|
|
|
1109
|
|
|
1110 return tmp;
|
|
|
1111 }
|
|
|
1112
|
|
|
1113 void
|
|
|
1114 mswindows_unmodalize_signal_maybe (void)
|
|
|
1115 {
|
|
|
1116 if (!NILP (mswindows_error_caught_in_modal_loop))
|
|
|
1117 {
|
|
|
1118 /* Got an error while messages were pumped while
|
|
|
1119 in window procedure - have to resignal */
|
|
|
1120 Lisp_Object sym = XCAR (mswindows_error_caught_in_modal_loop);
|
|
|
1121 Lisp_Object data = XCDR (mswindows_error_caught_in_modal_loop);
|
|
|
1122 mswindows_error_caught_in_modal_loop = Qnil;
|
|
|
1123 Fsignal (sym, data);
|
|
|
1124 }
|
|
|
1125 }
|
|
|
1126
|
|
219
|
1127 /*
|
|
227
|
1128 * This is an unsafe part of event pump, guarded by
|
|
|
1129 * condition_case. See mswindows_pump_outstanding_events
|
|
|
1130 */
|
|
|
1131 static Lisp_Object
|
|
|
1132 mswindows_unsafe_pump_events (Lisp_Object u_n_u_s_e_d)
|
|
|
1133 {
|
|
|
1134 /* This function can call lisp */
|
|
|
1135 Lisp_Object event = Fmake_event (Qnil, Qnil);
|
|
|
1136 struct gcpro gcpro1;
|
|
|
1137 int do_redisplay = 0;
|
|
|
1138 GCPRO1 (event);
|
|
|
1139
|
|
|
1140 while (detect_input_pending ())
|
|
|
1141 {
|
|
|
1142 Fnext_event (event, Qnil);
|
|
|
1143 Fdispatch_event (event);
|
|
|
1144 do_redisplay = 1;
|
|
|
1145 }
|
|
|
1146
|
|
|
1147 if (do_redisplay)
|
|
|
1148 redisplay ();
|
|
|
1149
|
|
|
1150 Fdeallocate_event (event);
|
|
|
1151 UNGCPRO;
|
|
|
1152
|
|
|
1153 /* Qt becomes return value of mswindows_pump_outstanding_events
|
|
|
1154 once we get here */
|
|
|
1155 return Qt;
|
|
|
1156 }
|
|
|
1157
|
|
|
1158 /*
|
|
|
1159 * This function pumps emacs events, while available, by using
|
|
|
1160 * next_message/dispatch_message loop. Errors are trapped around
|
|
|
1161 * the loop so the function always returns.
|
|
|
1162 *
|
|
|
1163 * Windows message queue is not looked into during the call,
|
|
|
1164 * neither are waitable handles checked. The function pumps
|
|
|
1165 * thus only dispatch events already queued, as well as those
|
|
|
1166 * resulted in dispatching thereof. This is done by setting
|
|
231
|
1167 * module local variable mswidows_in_modal_loop to nonzero.
|
|
227
|
1168 *
|
|
231
|
1169 * Return value is Qt if no errors was trapped, or Qunbound if
|
|
227
|
1170 * there was an error.
|
|
|
1171 *
|
|
|
1172 * In case of error, a cons representing the error, in the
|
|
|
1173 * form (SIGNAL . DATA), is stored in the module local variable
|
|
231
|
1174 * mswindows_error_caught_in_modal_loop. This error is signaled
|
|
227
|
1175 * again when DispatchMessage returns. Thus, Windows internal
|
|
|
1176 * modal loops are protected against throws, which are proven
|
|
|
1177 * to corrupt internal Windows structures.
|
|
|
1178 *
|
|
231
|
1179 * In case of success, mswindows_error_caught_in_modal_loop is
|
|
227
|
1180 * assigned Qnil.
|
|
|
1181 *
|
|
231
|
1182 * If the value of mswindows_error_caught_in_modal_loop is not
|
|
227
|
1183 * nil already upon entry, the function just returns non-nil.
|
|
|
1184 * This situation means that a new event has been queued while
|
|
|
1185 * cancleng mode. The event will be dequeued on the next regular
|
|
|
1186 * call of next-event; the pump is off since error is caught.
|
|
|
1187 * The caller must *unconditionally* cancel modal loop if the
|
|
|
1188 * value returned by this function is nil. Otherwise, everything
|
|
|
1189 * will become frozen until the modal loop exits under normal
|
|
|
1190 * condition (scrollbar drag is released, menu closed etc.)
|
|
|
1191 */
|
|
|
1192 Lisp_Object
|
|
|
1193 mswindows_pump_outstanding_events (void)
|
|
|
1194 {
|
|
|
1195 /* This function can call lisp */
|
|
|
1196
|
|
|
1197 Lisp_Object result = Qt;
|
|
249
|
1198 struct gcpro gcpro1;
|
|
|
1199 GCPRO1 (result);
|
|
|
1200
|
|
231
|
1201 if (NILP(mswindows_error_caught_in_modal_loop))
|
|
|
1202 result = mswindows_protect_modal_loop (mswindows_unsafe_pump_events, Qnil);
|
|
249
|
1203 UNGCPRO;
|
|
227
|
1204 return result;
|
|
|
1205 }
|
|
|
1206
|
|
223
|
1207 static void
|
|
|
1208 mswindows_drain_windows_queue ()
|
|
|
1209 {
|
|
|
1210 MSG msg;
|
|
|
1211 while (PeekMessage (&msg, NULL, 0, 0, PM_REMOVE))
|
|
227
|
1212 {
|
|
|
1213 DispatchMessage (&msg);
|
|
231
|
1214 mswindows_unmodalize_signal_maybe ();
|
|
227
|
1215 }
|
|
|
1216 }
|
|
|
1217
|
|
|
1218 /*
|
|
|
1219 * This is a special flavour of the mswindows_need_event function,
|
|
|
1220 * used while in event pump. Actually, there is only kind of events
|
|
|
1221 * allowed while in event pump: a timer. An attempt to fetch any
|
|
|
1222 * other event leads to a dealock, as there's no source of user input
|
|
|
1223 * ('cause event pump mirrors windows modal loop, which is a sole
|
|
|
1224 * owner of thread message queue).
|
|
|
1225 *
|
|
|
1226 * To detect this, we use a counter of active timers, and allow
|
|
|
1227 * fetching WM_TIMER messages. Instead of trying to fetch a WM_TIMER
|
|
|
1228 * which will never come when there are no pending timers, which leads
|
|
|
1229 * to deadlock, we simply signal an error.
|
|
|
1230 */
|
|
|
1231 static void
|
|
274
|
1232 mswindows_need_event_in_modal_loop (int badly_p)
|
|
227
|
1233 {
|
|
|
1234 MSG msg;
|
|
|
1235
|
|
|
1236 /* Check if already have one */
|
|
|
1237 if (!NILP (mswindows_u_dispatch_event_queue)
|
|
|
1238 || !NILP (mswindows_s_dispatch_event_queue))
|
|
|
1239 return;
|
|
|
1240
|
|
|
1241 /* No event is ok */
|
|
|
1242 if (!badly_p)
|
|
|
1243 return;
|
|
|
1244
|
|
|
1245 /* We do not check the _u_ queue, because timers go to _s_ */
|
|
|
1246 while (NILP (mswindows_s_dispatch_event_queue))
|
|
|
1247 {
|
|
|
1248 /* We'll deadlock if go waiting */
|
|
|
1249 if (mswindows_pending_timers_count == 0)
|
|
|
1250 error ("Deadlock due to an attempt to call next-event in a wrong context");
|
|
|
1251
|
|
|
1252 /* Fetch and dispatch any pending timers */
|
|
|
1253 GetMessage (&msg, NULL, WM_TIMER, WM_TIMER);
|
|
|
1254 DispatchMessage (&msg);
|
|
|
1255 }
|
|
223
|
1256 }
|
|
|
1257
|
|
|
1258 /*
|
|
|
1259 * This drains the event queue and fills up two internal queues until
|
|
|
1260 * an event of a type specified by USER_P is retrieved.
|
|
|
1261 *
|
|
|
1262 *
|
|
|
1263 * Used by emacs_mswindows_event_pending_p and emacs_mswindows_next_event
|
|
|
1264 */
|
|
|
1265 static void
|
|
274
|
1266 mswindows_need_event (int badly_p)
|
|
223
|
1267 {
|
|
|
1268 int active;
|
|
|
1269
|
|
231
|
1270 if (mswindows_in_modal_loop)
|
|
227
|
1271 {
|
|
274
|
1272 mswindows_need_event_in_modal_loop (badly_p);
|
|
227
|
1273 return;
|
|
|
1274 }
|
|
|
1275
|
|
223
|
1276 /* Have to drain Windows message queue first, otherwise, we may miss
|
|
|
1277 quit char when called from quit_p */
|
|
|
1278 mswindows_drain_windows_queue ();
|
|
|
1279
|
|
274
|
1280 while (NILP (mswindows_u_dispatch_event_queue)
|
|
|
1281 && NILP (mswindows_s_dispatch_event_queue))
|
|
278
|
1282 {
|
|
|
1283 #ifdef HAVE_MSG_SELECT
|
|
|
1284 int i;
|
|
|
1285 SELECT_TYPE temp_mask = input_wait_mask;
|
|
|
1286 EMACS_TIME sometime;
|
|
|
1287 EMACS_SELECT_TIME select_time_to_block, *pointer_to_this;
|
|
|
1288
|
|
|
1289 if (badly_p)
|
|
|
1290 pointer_to_this = 0;
|
|
|
1291 else
|
|
|
1292 {
|
|
|
1293 EMACS_SET_SECS_USECS (sometime, 0, 0);
|
|
|
1294 EMACS_TIME_TO_SELECT_TIME (sometime, select_time_to_block);
|
|
|
1295 pointer_to_this = &select_time_to_block;
|
|
|
1296 }
|
|
|
1297 active = select (MAXDESC, &temp_mask, 0, 0, pointer_to_this);
|
|
|
1298
|
|
|
1299 if (active == 0)
|
|
|
1300 {
|
|
|
1301 return; /* timeout */
|
|
|
1302 }
|
|
|
1303 else if (active > 0)
|
|
|
1304 {
|
|
|
1305 if (FD_ISSET (windows_fd, &temp_mask))
|
|
|
1306 {
|
|
|
1307 mswindows_drain_windows_queue ();
|
|
|
1308 }
|
|
|
1309
|
|
|
1310 /* Look for a process event */
|
|
|
1311 for (i = 0; i < MAXDESC-1; i++)
|
|
|
1312 {
|
|
|
1313 if (FD_ISSET (i, &temp_mask))
|
|
|
1314 {
|
|
|
1315 if (FD_ISSET (i, &process_only_mask))
|
|
|
1316 {
|
|
|
1317 struct Lisp_Process *p =
|
|
|
1318 get_process_from_usid (FD_TO_USID(i));
|
|
|
1319
|
|
|
1320 mswindows_enqueue_process_event (p);
|
|
|
1321 }
|
|
|
1322 else if (FD_ISSET (i, &tty_only_mask))
|
|
|
1323 {
|
|
|
1324 /* do we care about tty events? Do we
|
|
|
1325 ever get tty events? */
|
|
|
1326 }
|
|
|
1327 else
|
|
|
1328 {
|
|
|
1329 /* We might get here when a fake event came
|
|
|
1330 through a signal. Return a dummy event, so
|
|
|
1331 that a cycle of the command loop will
|
|
|
1332 occur. */
|
|
|
1333 drain_signal_event_pipe ();
|
|
288
|
1334 mswindows_enqueue_magic_event (NULL, XM_BUMPQUEUE);
|
|
278
|
1335 }
|
|
|
1336 }
|
|
|
1337 }
|
|
|
1338 }
|
|
|
1339 else if (active==-1)
|
|
|
1340 {
|
|
|
1341 if (errno != EINTR)
|
|
|
1342 {
|
|
|
1343 /* something bad happended */
|
|
|
1344 assert(0);
|
|
|
1345 }
|
|
|
1346 }
|
|
|
1347 else
|
|
|
1348 {
|
|
|
1349 assert(0);
|
|
|
1350 }
|
|
|
1351 #else
|
|
|
1352 /* Now try getting a message or process event */
|
|
223
|
1353 active = MsgWaitForMultipleObjects (mswindows_waitable_count,
|
|
274
|
1354 mswindows_waitable_handles,
|
|
223
|
1355 FALSE, badly_p ? INFINITE : 0,
|
|
|
1356 QS_ALLINPUT);
|
|
|
1357
|
|
|
1358 /* This will assert if handle being waited for becomes abandoned.
|
|
|
1359 Not the case currently tho */
|
|
|
1360 assert ((!badly_p && active == WAIT_TIMEOUT) ||
|
|
|
1361 (active >= WAIT_OBJECT_0 &&
|
|
|
1362 active <= WAIT_OBJECT_0 + mswindows_waitable_count));
|
|
|
1363
|
|
|
1364 if (active == WAIT_TIMEOUT)
|
|
|
1365 {
|
|
|
1366 /* No luck trying - just return what we've already got */
|
|
|
1367 return;
|
|
|
1368 }
|
|
|
1369 else if (active == WAIT_OBJECT_0 + mswindows_waitable_count)
|
|
|
1370 {
|
|
|
1371 /* Got your message, thanks */
|
|
|
1372 mswindows_drain_windows_queue ();
|
|
|
1373 }
|
|
|
1374 else
|
|
|
1375 {
|
|
274
|
1376 int ix = active - WAIT_OBJECT_0;
|
|
|
1377 /* First, try to find which process' ouptut has signaled */
|
|
|
1378 struct Lisp_Process *p =
|
|
|
1379 get_process_from_usid (HANDLE_TO_USID (mswindows_waitable_handles[ix]));
|
|
|
1380 if (p != NULL)
|
|
|
1381 {
|
|
|
1382 /* Found a signaled process input handle */
|
|
|
1383 mswindows_enqueue_process_event (p);
|
|
|
1384 }
|
|
|
1385 else
|
|
|
1386 {
|
|
|
1387 /* None. This means that the process handle itself has signaled.
|
|
|
1388 Remove the handle from the wait vector, and make status_ntoify
|
|
|
1389 note the exited process */
|
|
|
1390 mswindows_waitable_handles [ix] =
|
|
|
1391 mswindows_waitable_handles [--mswindows_waitable_count];
|
|
|
1392 kick_status_notify ();
|
|
276
|
1393 /* Have to return something: there may be no accompanying
|
|
|
1394 process event */
|
|
288
|
1395 mswindows_enqueue_magic_event (NULL, XM_BUMPQUEUE);
|
|
274
|
1396 }
|
|
223
|
1397 }
|
|
278
|
1398 #endif
|
|
223
|
1399 } /* while */
|
|
|
1400 }
|
|
|
1401
|
|
249
|
1402 /************************************************************************/
|
|
|
1403 /* Event generators */
|
|
|
1404 /************************************************************************/
|
|
|
1405
|
|
|
1406 /*
|
|
|
1407 * Callback procedure for synchronous timer messages
|
|
|
1408 */
|
|
|
1409 static void CALLBACK
|
|
|
1410 mswindows_wm_timer_callback (HWND hwnd, UINT umsg, UINT id_timer, DWORD dwtime)
|
|
|
1411 {
|
|
|
1412 Lisp_Object emacs_event = Fmake_event (Qnil, Qnil);
|
|
|
1413 struct Lisp_Event *event = XEVENT (emacs_event);
|
|
|
1414
|
|
|
1415 if (KillTimer (NULL, id_timer))
|
|
|
1416 --mswindows_pending_timers_count;
|
|
|
1417
|
|
|
1418 event->channel = Qnil;
|
|
|
1419 event->timestamp = dwtime;
|
|
|
1420 event->event_type = timeout_event;
|
|
|
1421 event->event.timeout.interval_id = id_timer;
|
|
|
1422
|
|
|
1423 mswindows_enqueue_dispatch_event (emacs_event);
|
|
|
1424 }
|
|
|
1425
|
|
|
1426 /*
|
|
|
1427 * Callback procedure for dde messages
|
|
284
|
1428 *
|
|
|
1429 * We execute a dde Open("file") by simulating a file drop, so dde support
|
|
|
1430 * depends on dnd support.
|
|
249
|
1431 */
|
|
284
|
1432 #ifdef HAVE_DRAGNDROP
|
|
249
|
1433 HDDEDATA CALLBACK
|
|
|
1434 mswindows_dde_callback (UINT uType, UINT uFmt, HCONV hconv,
|
|
|
1435 HSZ hszTopic, HSZ hszItem, HDDEDATA hdata,
|
|
|
1436 DWORD dwData1, DWORD dwData2)
|
|
|
1437 {
|
|
|
1438 switch (uType)
|
|
|
1439 {
|
|
|
1440 case XTYP_CONNECT:
|
|
|
1441 if (!DdeCmpStringHandles (hszTopic, mswindows_dde_topic_system))
|
|
|
1442 return (HDDEDATA)TRUE;
|
|
|
1443 return (HDDEDATA)FALSE;
|
|
|
1444
|
|
|
1445 case XTYP_WILDCONNECT:
|
|
|
1446 {
|
|
|
1447 /* We only support one {service,topic} pair */
|
|
|
1448 HSZPAIR pairs[2] = {
|
|
|
1449 { mswindows_dde_service, mswindows_dde_topic_system }, { 0, 0 } };
|
|
|
1450
|
|
|
1451 if (!(hszItem || DdeCmpStringHandles (hszItem, mswindows_dde_service)) &&
|
|
|
1452 !(hszTopic || DdeCmpStringHandles (hszTopic, mswindows_dde_topic_system)));
|
|
|
1453 return (DdeCreateDataHandle (mswindows_dde_mlid, (LPBYTE)pairs,
|
|
|
1454 sizeof (pairs), 0L, 0, uFmt, 0));
|
|
|
1455 }
|
|
|
1456 return (HDDEDATA)NULL;
|
|
|
1457
|
|
|
1458 case XTYP_EXECUTE:
|
|
|
1459 if (!DdeCmpStringHandles (hszTopic, mswindows_dde_topic_system))
|
|
|
1460 {
|
|
|
1461 DWORD len = DdeGetData (hdata, NULL, 0, 0);
|
|
|
1462 char *cmd = alloca (len+1);
|
|
|
1463 char *end;
|
|
282
|
1464 char *filename;
|
|
|
1465 struct gcpro gcpro1, gcpro2;
|
|
|
1466 Lisp_Object l_dndlist = Qnil;
|
|
249
|
1467 Lisp_Object emacs_event = Fmake_event (Qnil, Qnil);
|
|
284
|
1468 Lisp_Object frmcons, devcons, concons;
|
|
249
|
1469 struct Lisp_Event *event = XEVENT (emacs_event);
|
|
|
1470
|
|
|
1471 DdeGetData (hdata, cmd, len, 0);
|
|
|
1472 cmd[len] = '\0';
|
|
|
1473 DdeFreeDataHandle (hdata);
|
|
|
1474
|
|
282
|
1475 /* Check syntax & that it's an [Open("foo")] command, which we
|
|
|
1476 * treat like a file drop */
|
|
249
|
1477 /* #### Ought to be generalised and accept some other commands */
|
|
|
1478 if (*cmd == '[')
|
|
|
1479 cmd++;
|
|
|
1480 if (strnicmp (cmd, MSWINDOWS_DDE_ITEM_OPEN,
|
|
|
1481 strlen (MSWINDOWS_DDE_ITEM_OPEN)))
|
|
|
1482 return DDE_FNOTPROCESSED;
|
|
|
1483 cmd += strlen (MSWINDOWS_DDE_ITEM_OPEN);
|
|
|
1484 while (*cmd==' ')
|
|
|
1485 cmd++;
|
|
|
1486 if (*cmd!='(' || *(cmd+1)!='\"')
|
|
|
1487 return DDE_FNOTPROCESSED;
|
|
|
1488 end = (cmd+=2);
|
|
|
1489 while (*end && *end!='\"')
|
|
|
1490 end++;
|
|
|
1491 if (!*end)
|
|
|
1492 return DDE_FNOTPROCESSED;
|
|
|
1493 *end = '\0';
|
|
|
1494 if (*(++end)!=')')
|
|
|
1495 return DDE_FNOTPROCESSED;
|
|
|
1496 if (*(++end)==']')
|
|
|
1497 end++;
|
|
|
1498 if (*end)
|
|
|
1499 return DDE_FNOTPROCESSED;
|
|
282
|
1500
|
|
259
|
1501 #ifdef __CYGWIN32__
|
|
282
|
1502 filename = alloca (cygwin32_win32_to_posix_path_list_buf_size (cmd) + 5);
|
|
|
1503 strcpy (filename, "file:");
|
|
|
1504 cygwin32_win32_to_posix_path_list (cmd, filename+5);
|
|
|
1505 #else
|
|
|
1506 dostounix_filename (cmd);
|
|
|
1507 filename = alloca (strlen (cmd)+6);
|
|
|
1508 strcpy (filename, "file:");
|
|
|
1509 strcat (filename, cmd);
|
|
259
|
1510 #endif
|
|
282
|
1511 GCPRO2 (emacs_event, l_dndlist);
|
|
|
1512 l_dndlist = make_string (filename, strlen (filename));
|
|
249
|
1513
|
|
284
|
1514 /* Find a mswindows frame */
|
|
249
|
1515 event->channel = Qnil;
|
|
284
|
1516 FRAME_LOOP_NO_BREAK (frmcons, devcons, concons)
|
|
|
1517 {
|
|
|
1518 Lisp_Object frame = XCAR (frmcons);
|
|
|
1519 if (FRAME_TYPE_P (XFRAME (frame), mswindows))
|
|
|
1520 event->channel = frame;
|
|
|
1521 };
|
|
|
1522 assert (!NILP (event->channel));
|
|
|
1523
|
|
249
|
1524 event->timestamp = GetTickCount();
|
|
282
|
1525 event->event_type = misc_user_event;
|
|
|
1526 event->event.misc.button = 1;
|
|
|
1527 event->event.misc.modifiers = 0;
|
|
|
1528 event->event.misc.x = -1;
|
|
|
1529 event->event.misc.y = -1;
|
|
|
1530 event->event.misc.function = Qdragdrop_drop_dispatch;
|
|
|
1531 event->event.misc.object = Fcons (Qdragdrop_URL,
|
|
|
1532 Fcons (l_dndlist, Qnil));
|
|
249
|
1533 mswindows_enqueue_dispatch_event (emacs_event);
|
|
282
|
1534 UNGCPRO;
|
|
249
|
1535 return (HDDEDATA) DDE_FACK;
|
|
|
1536 }
|
|
|
1537 DdeFreeDataHandle (hdata);
|
|
|
1538 return (HDDEDATA) DDE_FNOTPROCESSED;
|
|
282
|
1539
|
|
249
|
1540 default:
|
|
|
1541 return (HDDEDATA) NULL;
|
|
|
1542 }
|
|
|
1543 }
|
|
284
|
1544 #endif
|
|
249
|
1545
|
|
|
1546 /*
|
|
|
1547 * The windows procedure for the window class XEMACS_CLASS
|
|
|
1548 */
|
|
|
1549 LRESULT WINAPI
|
|
|
1550 mswindows_wnd_proc(HWND hwnd, UINT message, WPARAM wParam, LPARAM lParam)
|
|
|
1551 {
|
|
|
1552 /* Note: Remember to initialise emacs_event and event before use.
|
|
|
1553 This code calls code that can GC. You must GCPRO before calling such code. */
|
|
|
1554 Lisp_Object emacs_event = Qnil;
|
|
|
1555 Lisp_Object fobj = Qnil;
|
|
|
1556
|
|
|
1557 struct Lisp_Event *event;
|
|
|
1558 struct frame *frame;
|
|
|
1559 struct mswindows_frame* msframe;
|
|
|
1560
|
|
|
1561 switch (message)
|
|
|
1562 {
|
|
|
1563 case WM_ERASEBKGND:
|
|
|
1564 /* Erase background only during non-dynamic sizing */
|
|
|
1565 msframe = FRAME_MSWINDOWS_DATA (XFRAME (mswindows_find_frame (hwnd)));
|
|
|
1566 if (msframe->sizing && !mswindows_dynamic_frame_resize)
|
|
|
1567 goto defproc;
|
|
|
1568 return 1;
|
|
|
1569
|
|
|
1570 case WM_CLOSE:
|
|
|
1571 fobj = mswindows_find_frame (hwnd);
|
|
288
|
1572 mswindows_enqueue_misc_user_event (fobj, Qeval, list3 (Qdelete_frame, fobj, Qt));
|
|
249
|
1573 break;
|
|
|
1574
|
|
|
1575 case WM_KEYDOWN:
|
|
|
1576 case WM_SYSKEYDOWN:
|
|
|
1577 {
|
|
|
1578 BYTE keymap[256];
|
|
|
1579 int has_AltGr = mswindows_current_layout_has_AltGr ();
|
|
|
1580 int mods;
|
|
|
1581 Lisp_Object keysym;
|
|
|
1582
|
|
|
1583 GetKeyboardState (keymap);
|
|
|
1584 mods = mswindows_modifier_state (keymap, has_AltGr);
|
|
|
1585
|
|
371
|
1586 /* Handle those keys that TranslateMessage won't generate a WM_CHAR for */
|
|
|
1587 if (!NILP (keysym = mswindows_key_to_emacs_keysym(wParam, mods)))
|
|
249
|
1588 mswindows_enqueue_keypress_event (hwnd, keysym, mods);
|
|
371
|
1589 else
|
|
249
|
1590 {
|
|
|
1591 int quit_ch = CONSOLE_QUIT_CHAR (XCONSOLE (mswindows_find_console (hwnd)));
|
|
|
1592 BYTE keymap_orig[256];
|
|
|
1593 MSG msg = { hwnd, message, wParam, lParam, GetMessageTime(), (GetMessagePos()) };
|
|
|
1594 memcpy (keymap_orig, keymap, 256);
|
|
|
1595
|
|
288
|
1596 /* Remove shift modifier from an ascii character */
|
|
|
1597 mods &= ~MOD_SHIFT;
|
|
|
1598
|
|
371
|
1599 /* Clear control and alt modifiers out of the keymap */
|
|
249
|
1600 keymap [VK_RCONTROL] = 0;
|
|
|
1601 keymap [VK_LMENU] = 0;
|
|
|
1602 if (!has_AltGr || !(keymap [VK_LCONTROL] & 0x80) || !(keymap [VK_RMENU] & 0x80))
|
|
|
1603 {
|
|
|
1604 keymap [VK_LCONTROL] = 0;
|
|
|
1605 keymap [VK_CONTROL] = 0;
|
|
|
1606 keymap [VK_RMENU] = 0;
|
|
|
1607 keymap [VK_MENU] = 0;
|
|
|
1608 }
|
|
|
1609 SetKeyboardState (keymap);
|
|
|
1610
|
|
371
|
1611 /* Have some WM_[SYS]CHARS in the queue */
|
|
249
|
1612 TranslateMessage (&msg);
|
|
|
1613
|
|
|
1614 while (PeekMessage (&msg, hwnd, WM_CHAR, WM_CHAR, PM_REMOVE)
|
|
286
|
1615 || PeekMessage (&msg, hwnd, WM_SYSCHAR, WM_SYSCHAR, PM_REMOVE))
|
|
249
|
1616 {
|
|
288
|
1617 int mods1 = mods;
|
|
286
|
1618 WPARAM ch = msg.wParam;
|
|
249
|
1619
|
|
|
1620 /* If a quit char with no modifiers other than control and
|
|
|
1621 shift, then mark it with a fake modifier, which is removed
|
|
|
1622 upon dequeueing the event */
|
|
|
1623 /* #### This might also not withstand localization, if
|
|
|
1624 quit character is not a latin-1 symbol */
|
|
|
1625 if (((quit_ch < ' ' && (mods & MOD_CONTROL) && quit_ch + 'a' - 1 == ch)
|
|
|
1626 || (quit_ch >= ' ' && !(mods & MOD_CONTROL) && quit_ch == ch))
|
|
|
1627 && ((mods & ~(MOD_CONTROL | MOD_SHIFT)) == 0))
|
|
|
1628 {
|
|
288
|
1629 mods1 |= FAKE_MOD_QUIT;
|
|
249
|
1630 ++mswindows_quit_chars_count;
|
|
|
1631 }
|
|
|
1632
|
|
288
|
1633 mswindows_enqueue_keypress_event (hwnd, make_char(ch), mods1);
|
|
249
|
1634 } /* while */
|
|
|
1635 SetKeyboardState (keymap_orig);
|
|
|
1636 } /* else */
|
|
|
1637 }
|
|
288
|
1638 /* F10 causes menu activation by default. We do not want this */
|
|
|
1639 if (wParam != VK_F10)
|
|
|
1640 goto defproc;
|
|
|
1641 break;
|
|
249
|
1642
|
|
|
1643 case WM_MBUTTONDOWN:
|
|
|
1644 case WM_MBUTTONUP:
|
|
|
1645 /* Real middle mouse button has nothing to do with emulated one:
|
|
|
1646 if one wants to exercise fingers playing chords on the mouse,
|
|
|
1647 he is allowed to do that! */
|
|
|
1648 mswindows_enqueue_mouse_button_event (hwnd, message,
|
|
|
1649 MAKEPOINTS (lParam), GetMessageTime());
|
|
|
1650 break;
|
|
|
1651
|
|
|
1652 case WM_LBUTTONUP:
|
|
|
1653 msframe = FRAME_MSWINDOWS_DATA (XFRAME (mswindows_find_frame (hwnd)));
|
|
|
1654 msframe->last_click_time = GetMessageTime();
|
|
|
1655
|
|
|
1656 KillTimer (hwnd, BUTTON_2_TIMER_ID);
|
|
|
1657 msframe->button2_need_lbutton = 0;
|
|
|
1658 if (msframe->ignore_next_lbutton_up)
|
|
|
1659 {
|
|
|
1660 msframe->ignore_next_lbutton_up = 0;
|
|
|
1661 }
|
|
|
1662 else if (msframe->button2_is_down)
|
|
|
1663 {
|
|
|
1664 msframe->button2_is_down = 0;
|
|
|
1665 msframe->ignore_next_rbutton_up = 1;
|
|
|
1666 mswindows_enqueue_mouse_button_event (hwnd, WM_MBUTTONUP,
|
|
|
1667 MAKEPOINTS (lParam), GetMessageTime());
|
|
|
1668 }
|
|
|
1669 else
|
|
|
1670 {
|
|
|
1671 if (msframe->button2_need_rbutton)
|
|
|
1672 {
|
|
|
1673 msframe->button2_need_rbutton = 0;
|
|
|
1674 mswindows_enqueue_mouse_button_event (hwnd, WM_LBUTTONDOWN,
|
|
|
1675 MAKEPOINTS (lParam), GetMessageTime());
|
|
|
1676 }
|
|
|
1677 mswindows_enqueue_mouse_button_event (hwnd, WM_LBUTTONUP,
|
|
|
1678 MAKEPOINTS (lParam), GetMessageTime());
|
|
|
1679 }
|
|
|
1680 break;
|
|
|
1681
|
|
|
1682 case WM_RBUTTONUP:
|
|
|
1683 msframe = FRAME_MSWINDOWS_DATA (XFRAME (mswindows_find_frame (hwnd)));
|
|
|
1684 msframe->last_click_time = GetMessageTime();
|
|
|
1685
|
|
|
1686 KillTimer (hwnd, BUTTON_2_TIMER_ID);
|
|
|
1687 msframe->button2_need_rbutton = 0;
|
|
|
1688 if (msframe->ignore_next_rbutton_up)
|
|
|
1689 {
|
|
|
1690 msframe->ignore_next_rbutton_up = 0;
|
|
|
1691 }
|
|
|
1692 else if (msframe->button2_is_down)
|
|
|
1693 {
|
|
|
1694 msframe->button2_is_down = 0;
|
|
|
1695 msframe->ignore_next_lbutton_up = 1;
|
|
|
1696 mswindows_enqueue_mouse_button_event (hwnd, WM_MBUTTONUP,
|
|
|
1697 MAKEPOINTS (lParam), GetMessageTime());
|
|
|
1698 }
|
|
|
1699 else
|
|
|
1700 {
|
|
|
1701 if (msframe->button2_need_lbutton)
|
|
|
1702 {
|
|
|
1703 msframe->button2_need_lbutton = 0;
|
|
|
1704 mswindows_enqueue_mouse_button_event (hwnd, WM_RBUTTONDOWN,
|
|
|
1705 MAKEPOINTS (lParam), GetMessageTime());
|
|
|
1706 }
|
|
|
1707 mswindows_enqueue_mouse_button_event (hwnd, WM_RBUTTONUP,
|
|
|
1708 MAKEPOINTS (lParam), GetMessageTime());
|
|
|
1709 }
|
|
|
1710 break;
|
|
|
1711
|
|
|
1712 case WM_LBUTTONDOWN:
|
|
|
1713 msframe = FRAME_MSWINDOWS_DATA (XFRAME (mswindows_find_frame (hwnd)));
|
|
|
1714
|
|
|
1715 if (msframe->button2_need_lbutton)
|
|
|
1716 {
|
|
|
1717 KillTimer (hwnd, BUTTON_2_TIMER_ID);
|
|
|
1718 msframe->button2_need_lbutton = 0;
|
|
|
1719 msframe->button2_need_rbutton = 0;
|
|
|
1720 if (mswindows_button2_near_enough (msframe->last_click_point, MAKEPOINTS (lParam)))
|
|
|
1721 {
|
|
|
1722 mswindows_enqueue_mouse_button_event (hwnd, WM_MBUTTONDOWN,
|
|
|
1723 MAKEPOINTS (lParam), GetMessageTime());
|
|
|
1724 msframe->button2_is_down = 1;
|
|
|
1725 }
|
|
|
1726 else
|
|
|
1727 {
|
|
|
1728 mswindows_enqueue_mouse_button_event (hwnd, WM_RBUTTONDOWN,
|
|
|
1729 msframe->last_click_point, msframe->last_click_time);
|
|
|
1730 mswindows_enqueue_mouse_button_event (hwnd, WM_LBUTTONDOWN,
|
|
|
1731 MAKEPOINTS (lParam), GetMessageTime());
|
|
|
1732 }
|
|
|
1733 }
|
|
|
1734 else
|
|
|
1735 {
|
|
|
1736 mswindows_set_chord_timer (hwnd);
|
|
|
1737 msframe->button2_need_rbutton = 1;
|
|
|
1738 msframe->last_click_point = MAKEPOINTS (lParam);
|
|
|
1739 }
|
|
|
1740 msframe->last_click_time = GetMessageTime();
|
|
|
1741 break;
|
|
|
1742
|
|
|
1743 case WM_RBUTTONDOWN:
|
|
|
1744 msframe = FRAME_MSWINDOWS_DATA (XFRAME (mswindows_find_frame (hwnd)));
|
|
|
1745
|
|
|
1746 if (msframe->button2_need_rbutton)
|
|
|
1747 {
|
|
|
1748 KillTimer (hwnd, BUTTON_2_TIMER_ID);
|
|
|
1749 msframe->button2_need_lbutton = 0;
|
|
|
1750 msframe->button2_need_rbutton = 0;
|
|
|
1751 if (mswindows_button2_near_enough (msframe->last_click_point, MAKEPOINTS (lParam)))
|
|
|
1752 {
|
|
|
1753 mswindows_enqueue_mouse_button_event (hwnd, WM_MBUTTONDOWN,
|
|
|
1754 MAKEPOINTS (lParam), GetMessageTime());
|
|
|
1755 msframe->button2_is_down = 1;
|
|
|
1756 }
|
|
|
1757 else
|
|
|
1758 {
|
|
|
1759 mswindows_enqueue_mouse_button_event (hwnd, WM_LBUTTONDOWN,
|
|
|
1760 msframe->last_click_point, msframe->last_click_time);
|
|
|
1761 mswindows_enqueue_mouse_button_event (hwnd, WM_RBUTTONDOWN,
|
|
|
1762 MAKEPOINTS (lParam), GetMessageTime());
|
|
|
1763 }
|
|
|
1764 }
|
|
|
1765 else
|
|
|
1766 {
|
|
|
1767 mswindows_set_chord_timer (hwnd);
|
|
|
1768 msframe->button2_need_lbutton = 1;
|
|
|
1769 msframe->last_click_point = MAKEPOINTS (lParam);
|
|
|
1770 }
|
|
|
1771 msframe->last_click_time = GetMessageTime();
|
|
|
1772 break;
|
|
|
1773
|
|
|
1774 case WM_TIMER:
|
|
|
1775 if (wParam == BUTTON_2_TIMER_ID)
|
|
|
1776 {
|
|
|
1777 msframe = FRAME_MSWINDOWS_DATA (XFRAME (mswindows_find_frame (hwnd)));
|
|
|
1778 KillTimer (hwnd, BUTTON_2_TIMER_ID);
|
|
|
1779
|
|
|
1780 if (msframe->button2_need_lbutton)
|
|
|
1781 {
|
|
|
1782 msframe->button2_need_lbutton = 0;
|
|
|
1783 mswindows_enqueue_mouse_button_event (hwnd, WM_RBUTTONDOWN,
|
|
|
1784 msframe->last_click_point, msframe->last_click_time);
|
|
|
1785 }
|
|
|
1786 else if (msframe->button2_need_rbutton)
|
|
|
1787 {
|
|
|
1788 msframe->button2_need_rbutton = 0;
|
|
|
1789 mswindows_enqueue_mouse_button_event (hwnd, WM_LBUTTONDOWN,
|
|
|
1790 msframe->last_click_point, msframe->last_click_time);
|
|
|
1791 }
|
|
|
1792 }
|
|
|
1793 else
|
|
|
1794 assert ("Spurious timer fired" == 0);
|
|
|
1795 break;
|
|
|
1796
|
|
|
1797 case WM_MOUSEMOVE:
|
|
|
1798 /* Optimization: don't report mouse movement while size is changind */
|
|
|
1799 msframe = FRAME_MSWINDOWS_DATA (XFRAME (mswindows_find_frame (hwnd)));
|
|
|
1800 if (!msframe->sizing)
|
|
|
1801 {
|
|
|
1802 /* When waiting for the second mouse button to finish
|
|
|
1803 button2 emulation, and have moved too far, just pretend
|
|
|
1804 as if timer has expired. This impoves drag-select feedback */
|
|
|
1805 if ((msframe->button2_need_lbutton || msframe->button2_need_rbutton)
|
|
|
1806 && !mswindows_button2_near_enough (msframe->last_click_point,
|
|
|
1807 MAKEPOINTS (lParam)))
|
|
|
1808 {
|
|
|
1809 KillTimer (hwnd, BUTTON_2_TIMER_ID);
|
|
|
1810 SendMessage (hwnd, WM_TIMER, BUTTON_2_TIMER_ID, 0);
|
|
|
1811 }
|
|
|
1812
|
|
|
1813 emacs_event = Fmake_event (Qnil, Qnil);
|
|
|
1814 event = XEVENT(emacs_event);
|
|
|
1815
|
|
|
1816 event->channel = mswindows_find_frame(hwnd);
|
|
|
1817 event->timestamp = GetMessageTime();
|
|
|
1818 event->event_type = pointer_motion_event;
|
|
|
1819 event->event.motion.x = MAKEPOINTS(lParam).x;
|
|
|
1820 event->event.motion.y = MAKEPOINTS(lParam).y;
|
|
|
1821 event->event.motion.modifiers = mswindows_modifier_state (NULL, 0);
|
|
|
1822
|
|
|
1823 mswindows_enqueue_dispatch_event (emacs_event);
|
|
|
1824 }
|
|
|
1825 break;
|
|
|
1826
|
|
290
|
1827 case WM_CANCELMODE:
|
|
|
1828 ReleaseCapture ();
|
|
|
1829 /* Queue a `cancel-mode-internal' misc user event, so mouse
|
|
|
1830 selection would be canceled if any */
|
|
|
1831 mswindows_enqueue_misc_user_event (mswindows_find_frame (hwnd),
|
|
|
1832 Qcancel_mode_internal, Qnil);
|
|
|
1833 break;
|
|
|
1834
|
|
278
|
1835 #ifdef HAVE_TOOLBARS
|
|
|
1836 case WM_NOTIFY:
|
|
|
1837 {
|
|
|
1838 LPTOOLTIPTEXT tttext = (LPTOOLTIPTEXT)lParam;
|
|
|
1839 Lisp_Object btext;
|
|
|
1840 if (tttext->hdr.code == TTN_NEEDTEXT)
|
|
|
1841 {
|
|
|
1842 /* find out which toolbar */
|
|
|
1843 frame = XFRAME (mswindows_find_frame (hwnd));
|
|
|
1844 btext = mswindows_get_toolbar_button_text ( frame,
|
|
|
1845 tttext->hdr.idFrom );
|
|
|
1846
|
|
|
1847 tttext->lpszText = NULL;
|
|
|
1848 tttext->hinst = NULL;
|
|
|
1849
|
|
|
1850 if (!NILP(btext))
|
|
|
1851 {
|
|
288
|
1852 /* I think this is safe since the text will only go away
|
|
|
1853 when the toolbar does...*/
|
|
|
1854 tttext->lpszText=XSTRING_DATA (btext);
|
|
278
|
1855 }
|
|
|
1856 #if 0
|
|
|
1857 tttext->uFlags |= TTF_DI_SETITEM;
|
|
|
1858 #endif
|
|
|
1859 }
|
|
|
1860 }
|
|
|
1861 break;
|
|
|
1862 #endif
|
|
|
1863
|
|
249
|
1864 case WM_PAINT:
|
|
|
1865 {
|
|
|
1866 PAINTSTRUCT paintStruct;
|
|
|
1867
|
|
|
1868 frame = XFRAME (mswindows_find_frame (hwnd));
|
|
|
1869
|
|
|
1870 BeginPaint (hwnd, &paintStruct);
|
|
|
1871 mswindows_redraw_exposed_area (frame,
|
|
|
1872 paintStruct.rcPaint.left, paintStruct.rcPaint.top,
|
|
|
1873 paintStruct.rcPaint.right, paintStruct.rcPaint.bottom);
|
|
|
1874 EndPaint (hwnd, &paintStruct);
|
|
|
1875 }
|
|
|
1876 break;
|
|
|
1877
|
|
|
1878 case WM_SIZE:
|
|
|
1879 /* We only care about this message if our size has really changed */
|
|
|
1880 if (wParam==SIZE_RESTORED || wParam==SIZE_MAXIMIZED || wParam==SIZE_MINIMIZED)
|
|
|
1881 {
|
|
|
1882 RECT rect;
|
|
|
1883 int columns, rows;
|
|
|
1884
|
|
|
1885 fobj = mswindows_find_frame (hwnd);
|
|
|
1886 frame = XFRAME (fobj);
|
|
|
1887 msframe = FRAME_MSWINDOWS_DATA (frame);
|
|
|
1888
|
|
|
1889 /* We cannot handle frame map and unmap hooks right in
|
|
|
1890 this routine, because these may throw. We queue
|
|
|
1891 magic events to run these hooks instead - kkm */
|
|
|
1892
|
|
|
1893 if (wParam==SIZE_MINIMIZED)
|
|
|
1894 {
|
|
|
1895 /* Iconified */
|
|
294
|
1896 FRAME_VISIBLE_P (frame) = 0;
|
|
249
|
1897 mswindows_enqueue_magic_event (hwnd, XM_UNMAPFRAME);
|
|
|
1898 }
|
|
|
1899 else
|
|
|
1900 {
|
|
|
1901 GetClientRect(hwnd, &rect);
|
|
|
1902 FRAME_PIXWIDTH(frame) = rect.right;
|
|
|
1903 FRAME_PIXHEIGHT(frame) = rect.bottom;
|
|
269
|
1904
|
|
|
1905 pixel_to_real_char_size (frame, rect.right, rect.bottom,
|
|
274
|
1906 &FRAME_MSWINDOWS_CHARWIDTH (frame),
|
|
|
1907 &FRAME_MSWINDOWS_CHARHEIGHT (frame));
|
|
269
|
1908
|
|
249
|
1909 pixel_to_char_size (frame, rect.right, rect.bottom, &columns, &rows);
|
|
|
1910 change_frame_size (frame, rows, columns, 1);
|
|
|
1911
|
|
269
|
1912 /* If we are inside frame creation, we have to apply geometric
|
|
|
1913 properties now. */
|
|
294
|
1914 if (FRAME_MSWINDOWS_TARGET_RECT (frame))
|
|
269
|
1915 {
|
|
|
1916 /* Yes, we have to size again */
|
|
294
|
1917 mswindows_size_frame_internal ( frame,
|
|
|
1918 FRAME_MSWINDOWS_TARGET_RECT
|
|
|
1919 (frame));
|
|
298
|
1920 /* Reset so we do not get here again. The SetWindowPos call in
|
|
|
1921 * mswindows_size_frame_internal can cause recursion here. */
|
|
|
1922 if (FRAME_MSWINDOWS_TARGET_RECT (frame))
|
|
|
1923 {
|
|
|
1924 xfree (FRAME_MSWINDOWS_TARGET_RECT (frame));
|
|
|
1925 FRAME_MSWINDOWS_TARGET_RECT (frame) = 0;
|
|
|
1926 }
|
|
269
|
1927 }
|
|
|
1928 else
|
|
|
1929 {
|
|
|
1930 if (!msframe->sizing && !FRAME_VISIBLE_P (frame))
|
|
|
1931 mswindows_enqueue_magic_event (hwnd, XM_MAPFRAME);
|
|
|
1932 FRAME_VISIBLE_P (frame) = 1;
|
|
|
1933
|
|
|
1934 if (!msframe->sizing || mswindows_dynamic_frame_resize)
|
|
|
1935 redisplay ();
|
|
|
1936 }
|
|
249
|
1937 }
|
|
|
1938 }
|
|
|
1939 break;
|
|
|
1940
|
|
|
1941 /* Misc magic events which only require that the frame be identified */
|
|
|
1942 case WM_SETFOCUS:
|
|
|
1943 case WM_KILLFOCUS:
|
|
|
1944 mswindows_enqueue_magic_event (hwnd, message);
|
|
|
1945 break;
|
|
|
1946
|
|
|
1947 case WM_WINDOWPOSCHANGING:
|
|
|
1948 {
|
|
|
1949 WINDOWPOS *wp = (LPWINDOWPOS) lParam;
|
|
|
1950 WINDOWPLACEMENT wpl = { sizeof(WINDOWPLACEMENT) };
|
|
|
1951 GetWindowPlacement(hwnd, &wpl);
|
|
|
1952
|
|
|
1953 /* Only interested if size is changing and we're not being iconified */
|
|
269
|
1954 if (wpl.showCmd != SW_SHOWMINIMIZED
|
|
|
1955 && wpl.showCmd != SW_SHOWMAXIMIZED
|
|
|
1956 && !(wp->flags & SWP_NOSIZE))
|
|
249
|
1957 {
|
|
|
1958 RECT ncsize = { 0, 0, 0, 0 };
|
|
|
1959 int pixwidth, pixheight;
|
|
|
1960 AdjustWindowRectEx (&ncsize, GetWindowLong (hwnd, GWL_STYLE),
|
|
|
1961 GetMenu(hwnd) != NULL,
|
|
|
1962 GetWindowLong (hwnd, GWL_EXSTYLE));
|
|
|
1963
|
|
269
|
1964 round_size_to_real_char (XFRAME (mswindows_find_frame (hwnd)),
|
|
|
1965 wp->cx - (ncsize.right - ncsize.left),
|
|
|
1966 wp->cy - (ncsize.bottom - ncsize.top),
|
|
|
1967 &pixwidth, &pixheight);
|
|
249
|
1968
|
|
|
1969 /* Convert client sizes to window sizes */
|
|
|
1970 pixwidth += (ncsize.right - ncsize.left);
|
|
|
1971 pixheight += (ncsize.bottom - ncsize.top);
|
|
|
1972
|
|
|
1973 if (wpl.showCmd != SW_SHOWMAXIMIZED)
|
|
|
1974 {
|
|
|
1975 /* Adjust so that the bottom or right doesn't move if it's
|
|
|
1976 * the top or left that's being changed */
|
|
|
1977 RECT rect;
|
|
|
1978 GetWindowRect (hwnd, &rect);
|
|
|
1979
|
|
|
1980 if (rect.left != wp->x)
|
|
|
1981 wp->x += wp->cx - pixwidth;
|
|
|
1982 if (rect.top != wp->y)
|
|
|
1983 wp->y += wp->cy - pixheight;
|
|
|
1984 }
|
|
|
1985
|
|
|
1986 wp->cx = pixwidth;
|
|
|
1987 wp->cy = pixheight;
|
|
|
1988 }
|
|
269
|
1989 /* DefWindowProc sends useful WM_GETMINMAXINFO message, and adjusts
|
|
|
1990 window position if the user tries to track window too small */
|
|
249
|
1991 }
|
|
269
|
1992 goto defproc;
|
|
249
|
1993
|
|
|
1994 case WM_ENTERSIZEMOVE:
|
|
|
1995 msframe = FRAME_MSWINDOWS_DATA (XFRAME (mswindows_find_frame (hwnd)));
|
|
|
1996 msframe->sizing = 1;
|
|
|
1997 return 0;
|
|
|
1998
|
|
|
1999 case WM_EXITSIZEMOVE:
|
|
|
2000 msframe = FRAME_MSWINDOWS_DATA (XFRAME (mswindows_find_frame (hwnd)));
|
|
|
2001 msframe->sizing = 0;
|
|
|
2002 /* Queue noop event */
|
|
288
|
2003 mswindows_enqueue_magic_event (NULL, XM_BUMPQUEUE);
|
|
249
|
2004 return 0;
|
|
|
2005
|
|
|
2006 #ifdef HAVE_SCROLLBARS
|
|
|
2007 case WM_VSCROLL:
|
|
|
2008 case WM_HSCROLL:
|
|
|
2009 {
|
|
|
2010 /* Direction of scroll is determined by scrollbar instance. */
|
|
|
2011 int code = (int) LOWORD(wParam);
|
|
|
2012 int pos = (short int) HIWORD(wParam);
|
|
|
2013 HWND hwndScrollBar = (HWND) lParam;
|
|
|
2014 struct gcpro gcpro1, gcpro2;
|
|
|
2015
|
|
|
2016 mswindows_handle_scrollbar_event (hwndScrollBar, code, pos);
|
|
|
2017 GCPRO2 (emacs_event, fobj);
|
|
|
2018 if (UNBOUNDP(mswindows_pump_outstanding_events())) /* Can GC */
|
|
|
2019 {
|
|
|
2020 /* Error during event pumping - cancel scroll */
|
|
|
2021 SendMessage (hwndScrollBar, WM_CANCELMODE, 0, 0);
|
|
|
2022 }
|
|
|
2023 UNGCPRO;
|
|
|
2024 break;
|
|
|
2025 }
|
|
|
2026 #endif
|
|
|
2027
|
|
|
2028 #ifdef HAVE_MENUBARS
|
|
|
2029 case WM_INITMENU:
|
|
|
2030 if (UNBOUNDP (mswindows_handle_wm_initmenu (
|
|
|
2031 (HMENU) wParam,
|
|
|
2032 XFRAME (mswindows_find_frame (hwnd)))))
|
|
|
2033 SendMessage (hwnd, WM_CANCELMODE, 0, 0);
|
|
|
2034 break;
|
|
|
2035
|
|
|
2036 case WM_INITMENUPOPUP:
|
|
|
2037 if (!HIWORD(lParam))
|
|
|
2038 {
|
|
|
2039 if (UNBOUNDP (mswindows_handle_wm_initmenupopup (
|
|
|
2040 (HMENU) wParam,
|
|
|
2041 XFRAME (mswindows_find_frame (hwnd)))))
|
|
|
2042 SendMessage (hwnd, WM_CANCELMODE, 0, 0);
|
|
|
2043 }
|
|
|
2044 break;
|
|
|
2045
|
|
|
2046 #endif /* HAVE_MENUBARS */
|
|
|
2047
|
|
|
2048 case WM_COMMAND:
|
|
|
2049 {
|
|
|
2050 WORD id = LOWORD (wParam);
|
|
278
|
2051 HWND cid = (HWND)lParam;
|
|
249
|
2052 frame = XFRAME (mswindows_find_frame (hwnd));
|
|
|
2053
|
|
276
|
2054 #ifdef HAVE_TOOLBARS
|
|
278
|
2055 if (!NILP (mswindows_handle_toolbar_wm_command (frame, cid, id)))
|
|
276
|
2056 break;
|
|
|
2057 #endif
|
|
|
2058
|
|
249
|
2059 #ifdef HAVE_MENUBARS
|
|
|
2060 if (!NILP (mswindows_handle_wm_command (frame, id)))
|
|
|
2061 break;
|
|
|
2062 #endif
|
|
|
2063
|
|
269
|
2064 /* Bite me - a spurious command. This cannot happen. */
|
|
|
2065 error ("XEMACS BUG: Cannot decode command message");
|
|
249
|
2066 }
|
|
|
2067 break;
|
|
|
2068
|
|
284
|
2069 #ifdef HAVE_DRAGNDROP
|
|
249
|
2070 case WM_DROPFILES: /* implementation ripped-off from event-Xt.c */
|
|
|
2071 {
|
|
|
2072 UINT filecount, i, len;
|
|
|
2073 POINT point;
|
|
282
|
2074 char* filename;
|
|
259
|
2075 #ifdef __CYGWIN32__
|
|
|
2076 char* fname;
|
|
|
2077 #endif
|
|
282
|
2078 Lisp_Object l_dndlist = Qnil, l_item = Qnil;
|
|
|
2079 struct gcpro gcpro1, gcpro2, gcpro3;
|
|
249
|
2080
|
|
|
2081 emacs_event = Fmake_event (Qnil, Qnil);
|
|
|
2082 event = XEVENT(emacs_event);
|
|
|
2083
|
|
282
|
2084 GCPRO3 (emacs_event, l_dndlist, l_item);
|
|
|
2085
|
|
249
|
2086 if (!DragQueryPoint ((HANDLE) wParam, &point))
|
|
|
2087 point.x = point.y = -1; /* outside client area */
|
|
|
2088
|
|
282
|
2089 event->event_type = misc_user_event;
|
|
|
2090 event->channel = mswindows_find_frame(hwnd);
|
|
|
2091 event->timestamp = GetMessageTime();
|
|
|
2092 event->event.misc.button = 1; /* #### Should try harder */
|
|
|
2093 event->event.misc.modifiers = mswindows_modifier_state (NULL, 0);
|
|
|
2094 event->event.misc.x = point.x;
|
|
|
2095 event->event.misc.y = point.y;
|
|
|
2096 event->event.misc.function = Qdragdrop_drop_dispatch;
|
|
|
2097
|
|
|
2098 filecount = DragQueryFile ((HANDLE) wParam, 0xffffffff, NULL, 0);
|
|
|
2099 for (i=0; i<filecount; i++)
|
|
249
|
2100 {
|
|
282
|
2101 len = DragQueryFile ((HANDLE) wParam, i, NULL, 0);
|
|
|
2102 /* The URLs that we make here aren't correct according to section
|
|
|
2103 * 3.10 of rfc1738 because they're missing the //<host>/ part and
|
|
|
2104 * because they may contain reserved characters. But that's OK. */
|
|
259
|
2105 #ifdef __CYGWIN32__
|
|
282
|
2106 fname = (char *)xmalloc (len+1);
|
|
|
2107 DragQueryFile ((HANDLE) wParam, i, fname, len+1);
|
|
|
2108 filename = xmalloc (cygwin32_win32_to_posix_path_list_buf_size (fname) + 5);
|
|
|
2109 strcpy (filename, "file:");
|
|
|
2110 cygwin32_win32_to_posix_path_list (fname, filename+5);
|
|
|
2111 xfree (fname);
|
|
259
|
2112 #else
|
|
282
|
2113 filename = (char *)xmalloc (len+6);
|
|
|
2114 strcpy (filename, "file:");
|
|
|
2115 DragQueryFile ((HANDLE) wParam, i, filename+5, len+1);
|
|
|
2116 dostounix_filename (filename+5);
|
|
259
|
2117 #endif
|
|
282
|
2118 l_item = make_string (filename, strlen (filename));
|
|
|
2119 l_dndlist = Fcons (l_item, l_dndlist);
|
|
|
2120 xfree (filename);
|
|
249
|
2121 }
|
|
|
2122 DragFinish ((HANDLE) wParam);
|
|
|
2123
|
|
282
|
2124 event->event.misc.object = Fcons (Qdragdrop_URL, l_dndlist);
|
|
249
|
2125 mswindows_enqueue_dispatch_event (emacs_event);
|
|
282
|
2126 UNGCPRO;
|
|
249
|
2127 }
|
|
|
2128 break;
|
|
284
|
2129 #endif
|
|
282
|
2130
|
|
249
|
2131 defproc:
|
|
|
2132 default:
|
|
|
2133 return DefWindowProc (hwnd, message, wParam, lParam);
|
|
|
2134 }
|
|
|
2135 return (0);
|
|
|
2136 }
|
|
|
2137
|
|
|
2138
|
|
|
2139 /************************************************************************/
|
|
|
2140 /* keyboard, mouse & other helpers for the windows procedure */
|
|
|
2141 /************************************************************************/
|
|
|
2142 static void
|
|
|
2143 mswindows_set_chord_timer (HWND hwnd)
|
|
|
2144 {
|
|
|
2145 int interval;
|
|
|
2146
|
|
269
|
2147 /* We get one third half system double click threshold */
|
|
272
|
2148 if (mswindows_mouse_button_tolerance <= 0)
|
|
269
|
2149 interval = GetDoubleClickTime () / 3;
|
|
249
|
2150 else
|
|
272
|
2151 interval = mswindows_mouse_button_tolerance;
|
|
249
|
2152
|
|
|
2153 SetTimer (hwnd, BUTTON_2_TIMER_ID, interval, 0);
|
|
|
2154 }
|
|
|
2155
|
|
|
2156 static int
|
|
|
2157 mswindows_button2_near_enough (POINTS p1, POINTS p2)
|
|
|
2158 {
|
|
|
2159 int dx, dy;
|
|
272
|
2160 if (mswindows_mouse_button_max_skew_x <= 0)
|
|
249
|
2161 dx = GetSystemMetrics (SM_CXDOUBLECLK) / 2;
|
|
|
2162 else
|
|
272
|
2163 dx = mswindows_mouse_button_max_skew_x;
|
|
249
|
2164
|
|
272
|
2165 if (mswindows_mouse_button_max_skew_y <= 0)
|
|
249
|
2166 dy = GetSystemMetrics (SM_CYDOUBLECLK) / 2;
|
|
|
2167 else
|
|
272
|
2168 dy = mswindows_mouse_button_max_skew_y;
|
|
249
|
2169
|
|
|
2170 return abs (p1.x - p2.x) < dx && abs (p1.y- p2.y)< dy;
|
|
|
2171 }
|
|
|
2172
|
|
|
2173 static int
|
|
|
2174 mswindows_current_layout_has_AltGr (void)
|
|
|
2175 {
|
|
|
2176 /* This simple caching mechanism saves 10% of CPU
|
|
|
2177 time when a key typed at autorepeat rate of 30 cps! */
|
|
|
2178 static HKL last_hkl = 0;
|
|
|
2179 static int last_hkl_has_AltGr;
|
|
|
2180
|
|
|
2181 HKL current_hkl = GetKeyboardLayout (0);
|
|
|
2182 if (current_hkl != last_hkl)
|
|
|
2183 {
|
|
|
2184 TCHAR c;
|
|
|
2185 last_hkl_has_AltGr = 0;
|
|
|
2186 /* In this loop, we query whether a character requires
|
|
|
2187 AltGr to be down to generate it. If at least such one
|
|
|
2188 found, this means that the layout does regard AltGr */
|
|
|
2189 for (c = ' '; c <= 0xFFU && c != 0 && !last_hkl_has_AltGr; ++c)
|
|
|
2190 if (HIBYTE (VkKeyScan (c)) == 6)
|
|
|
2191 last_hkl_has_AltGr = 1;
|
|
|
2192 last_hkl = current_hkl;
|
|
|
2193 }
|
|
|
2194 return last_hkl_has_AltGr;
|
|
|
2195 }
|
|
|
2196
|
|
|
2197
|
|
|
2198 /* Returns the state of the modifier keys in the format expected by the
|
|
|
2199 * Lisp_Event key_data, button_data and motion_data modifiers member */
|
|
|
2200 int mswindows_modifier_state (BYTE* keymap, int has_AltGr)
|
|
|
2201 {
|
|
|
2202 int mods = 0;
|
|
|
2203
|
|
|
2204 if (keymap == NULL)
|
|
|
2205 {
|
|
|
2206 keymap = (BYTE*) alloca(256);
|
|
|
2207 GetKeyboardState (keymap);
|
|
|
2208 has_AltGr = mswindows_current_layout_has_AltGr ();
|
|
|
2209 }
|
|
|
2210
|
|
|
2211 if (has_AltGr && (keymap [VK_LCONTROL] & 0x80) && (keymap [VK_RMENU] & 0x80))
|
|
|
2212 {
|
|
|
2213 mods |= (keymap [VK_LMENU] & 0x80) ? MOD_META : 0;
|
|
|
2214 mods |= (keymap [VK_RCONTROL] & 0x80) ? MOD_CONTROL : 0;
|
|
|
2215 }
|
|
|
2216 else
|
|
|
2217 {
|
|
|
2218 mods |= (keymap [VK_MENU] & 0x80) ? MOD_META : 0;
|
|
|
2219 mods |= (keymap [VK_CONTROL] & 0x80) ? MOD_CONTROL : 0;
|
|
|
2220 }
|
|
|
2221
|
|
|
2222 mods |= (keymap [VK_SHIFT] & 0x80) ? MOD_SHIFT : 0;
|
|
|
2223
|
|
|
2224 return mods;
|
|
|
2225 }
|
|
|
2226
|
|
|
2227 /*
|
|
|
2228 * Translate a mswindows virtual key to a keysym.
|
|
|
2229 * Only returns non-Qnil for keys that don't generate WM_CHAR messages
|
|
|
2230 * or whose ASCII codes (like space) xemacs doesn't like.
|
|
371
|
2231 * Virtual key values are defined in winresrc.h
|
|
|
2232 * XXX I'm not sure that KEYSYM("name") is the best thing to use here.
|
|
249
|
2233 */
|
|
371
|
2234 Lisp_Object mswindows_key_to_emacs_keysym(int mswindows_key, int mods)
|
|
249
|
2235 {
|
|
371
|
2236 switch (mswindows_key)
|
|
|
2237 {
|
|
|
2238 /* First the predefined ones */
|
|
|
2239 case VK_BACK: return QKbackspace;
|
|
|
2240 case VK_TAB: return QKtab;
|
|
|
2241 case '\n': return QKlinefeed; /* No VK_LINEFEED in winresrc.h */
|
|
|
2242 case VK_RETURN: return QKreturn;
|
|
|
2243 case VK_ESCAPE: return QKescape;
|
|
|
2244 case VK_SPACE: return QKspace;
|
|
|
2245 case VK_DELETE: return QKdelete;
|
|
|
2246
|
|
|
2247 /* The rest */
|
|
|
2248 case VK_CLEAR: return KEYSYM ("clear"); /* Should do ^L ? */
|
|
|
2249 case VK_PRIOR: return KEYSYM ("prior");
|
|
|
2250 case VK_NEXT: return KEYSYM ("next");
|
|
|
2251 case VK_END: return KEYSYM ("end");
|
|
|
2252 case VK_HOME: return KEYSYM ("home");
|
|
|
2253 case VK_LEFT: return KEYSYM ("left");
|
|
|
2254 case VK_UP: return KEYSYM ("up");
|
|
|
2255 case VK_RIGHT: return KEYSYM ("right");
|
|
|
2256 case VK_DOWN: return KEYSYM ("down");
|
|
|
2257 case VK_SELECT: return KEYSYM ("select");
|
|
|
2258 case VK_PRINT: return KEYSYM ("print");
|
|
|
2259 case VK_EXECUTE: return KEYSYM ("execute");
|
|
|
2260 case VK_SNAPSHOT: return KEYSYM ("print");
|
|
|
2261 case VK_INSERT: return KEYSYM ("insert");
|
|
|
2262 case VK_HELP: return KEYSYM ("help");
|
|
|
2263 #if 0 /* XXX What are these supposed to do? */
|
|
|
2264 case VK_LWIN return KEYSYM ("");
|
|
|
2265 case VK_RWIN return KEYSYM ("");
|
|
367
|
2266 #endif
|
|
371
|
2267 case VK_APPS: return KEYSYM ("menu");
|
|
|
2268 case VK_F1: return KEYSYM ("f1");
|
|
|
2269 case VK_F2: return KEYSYM ("f2");
|
|
|
2270 case VK_F3: return KEYSYM ("f3");
|
|
|
2271 case VK_F4: return KEYSYM ("f4");
|
|
|
2272 case VK_F5: return KEYSYM ("f5");
|
|
|
2273 case VK_F6: return KEYSYM ("f6");
|
|
|
2274 case VK_F7: return KEYSYM ("f7");
|
|
|
2275 case VK_F8: return KEYSYM ("f8");
|
|
|
2276 case VK_F9: return KEYSYM ("f9");
|
|
|
2277 case VK_F10: return KEYSYM ("f10");
|
|
|
2278 case VK_F11: return KEYSYM ("f11");
|
|
|
2279 case VK_F12: return KEYSYM ("f12");
|
|
|
2280 case VK_F13: return KEYSYM ("f13");
|
|
|
2281 case VK_F14: return KEYSYM ("f14");
|
|
|
2282 case VK_F15: return KEYSYM ("f15");
|
|
|
2283 case VK_F16: return KEYSYM ("f16");
|
|
|
2284 case VK_F17: return KEYSYM ("f17");
|
|
|
2285 case VK_F18: return KEYSYM ("f18");
|
|
|
2286 case VK_F19: return KEYSYM ("f19");
|
|
|
2287 case VK_F20: return KEYSYM ("f20");
|
|
|
2288 case VK_F21: return KEYSYM ("f21");
|
|
|
2289 case VK_F22: return KEYSYM ("f22");
|
|
|
2290 case VK_F23: return KEYSYM ("f23");
|
|
|
2291 case VK_F24: return KEYSYM ("f24");
|
|
|
2292 }
|
|
249
|
2293 return Qnil;
|
|
|
2294 }
|
|
|
2295
|
|
|
2296 /*
|
|
|
2297 * Find the console that matches the supplied mswindows window handle
|
|
|
2298 */
|
|
|
2299 Lisp_Object
|
|
|
2300 mswindows_find_console (HWND hwnd)
|
|
|
2301 {
|
|
274
|
2302 /* We only support one console */
|
|
|
2303 return XCAR (Vconsole_list);
|
|
249
|
2304 }
|
|
|
2305
|
|
|
2306 /*
|
|
|
2307 * Find the frame that matches the supplied mswindows window handle
|
|
|
2308 */
|
|
|
2309 static Lisp_Object
|
|
|
2310 mswindows_find_frame (HWND hwnd)
|
|
|
2311 {
|
|
269
|
2312 LONG l = GetWindowLong (hwnd, XWL_FRAMEOBJ);
|
|
|
2313 Lisp_Object f;
|
|
|
2314 if (l == 0)
|
|
|
2315 {
|
|
|
2316 /* We are in progress of frame creation. Return the frame
|
|
|
2317 being created, as it still not remembered in the window
|
|
|
2318 extra storage. */
|
|
276
|
2319 assert (!NILP (Vmswindows_frame_being_created));
|
|
|
2320 return Vmswindows_frame_being_created;
|
|
269
|
2321 }
|
|
|
2322 VOID_TO_LISP (f, l);
|
|
|
2323 return f;
|
|
249
|
2324 }
|
|
|
2325
|
|
213
|
2326
|
|
|
2327 /************************************************************************/
|
|
|
2328 /* methods */
|
|
|
2329 /************************************************************************/
|
|
|
2330
|
|
|
2331 static int
|
|
|
2332 emacs_mswindows_add_timeout (EMACS_TIME thyme)
|
|
|
2333 {
|
|
223
|
2334 int milliseconds;
|
|
213
|
2335 EMACS_TIME current_time;
|
|
|
2336 EMACS_GET_TIME (current_time);
|
|
|
2337 EMACS_SUB_TIME (thyme, thyme, current_time);
|
|
223
|
2338 milliseconds = EMACS_SECS (thyme) * 1000 +
|
|
|
2339 (EMACS_USECS (thyme) + 500) / 1000;
|
|
213
|
2340 if (milliseconds < 1)
|
|
|
2341 milliseconds = 1;
|
|
227
|
2342 ++mswindows_pending_timers_count;
|
|
249
|
2343 return SetTimer (NULL, 0, milliseconds,
|
|
|
2344 (TIMERPROC) mswindows_wm_timer_callback);
|
|
213
|
2345 }
|
|
|
2346
|
|
|
2347 static void
|
|
|
2348 emacs_mswindows_remove_timeout (int id)
|
|
|
2349 {
|
|
223
|
2350 struct Lisp_Event match_against;
|
|
|
2351 Lisp_Object emacs_event;
|
|
|
2352
|
|
233
|
2353 if (KillTimer (NULL, id))
|
|
|
2354 --mswindows_pending_timers_count;
|
|
223
|
2355
|
|
|
2356 /* If there is a dispatch event generated by this
|
|
|
2357 timeout in the queue, we have to remove it too. */
|
|
|
2358 match_against.event_type = timeout_event;
|
|
|
2359 match_against.event.timeout.interval_id = id;
|
|
|
2360 emacs_event = mswindows_cancel_dispatch_event (&match_against);
|
|
|
2361 if (!NILP (emacs_event))
|
|
|
2362 Fdeallocate_event(emacs_event);
|
|
213
|
2363 }
|
|
|
2364
|
|
219
|
2365 /* If `user_p' is false, then return whether there are any win32, timeout,
|
|
|
2366 * or subprocess events pending (that is, whether
|
|
|
2367 * emacs_mswindows_next_event() would return immediately without blocking).
|
|
|
2368 *
|
|
|
2369 * if `user_p' is true, then return whether there are any *user generated*
|
|
|
2370 * events available (that is, whether there are keyboard or mouse-click
|
|
|
2371 * events ready to be read). This also implies that
|
|
|
2372 * emacs_mswindows_next_event() would not block.
|
|
|
2373 */
|
|
213
|
2374 static int
|
|
|
2375 emacs_mswindows_event_pending_p (int user_p)
|
|
|
2376 {
|
|
274
|
2377 mswindows_need_event (0);
|
|
223
|
2378 return (!NILP (mswindows_u_dispatch_event_queue)
|
|
|
2379 || (!user_p && !NILP (mswindows_s_dispatch_event_queue)));
|
|
213
|
2380 }
|
|
|
2381
|
|
|
2382 /*
|
|
|
2383 * Return the next event
|
|
|
2384 */
|
|
|
2385 static void
|
|
|
2386 emacs_mswindows_next_event (struct Lisp_Event *emacs_event)
|
|
|
2387 {
|
|
223
|
2388 Lisp_Object event, event2;
|
|
|
2389
|
|
274
|
2390 mswindows_need_event (1);
|
|
213
|
2391
|
|
223
|
2392 event = mswindows_dequeue_dispatch_event (!NILP(mswindows_u_dispatch_event_queue));
|
|
|
2393 XSETEVENT (event2, emacs_event);
|
|
|
2394 Fcopy_event (event, event2);
|
|
|
2395 Fdeallocate_event (event);
|
|
213
|
2396 }
|
|
|
2397
|
|
|
2398 /*
|
|
|
2399 * Handle a magic event off the dispatch queue.
|
|
|
2400 */
|
|
|
2401 static void
|
|
|
2402 emacs_mswindows_handle_magic_event (struct Lisp_Event *emacs_event)
|
|
|
2403 {
|
|
|
2404 switch (EVENT_MSWINDOWS_MAGIC_TYPE(emacs_event))
|
|
|
2405 {
|
|
288
|
2406 case XM_BUMPQUEUE:
|
|
|
2407 break;
|
|
|
2408
|
|
|
2409 case WM_SETFOCUS:
|
|
|
2410 case WM_KILLFOCUS:
|
|
|
2411 {
|
|
|
2412 Lisp_Object frame = EVENT_CHANNEL (emacs_event);
|
|
|
2413 struct frame *f = XFRAME (frame);
|
|
|
2414 int in_p = (EVENT_MSWINDOWS_MAGIC_TYPE(emacs_event) == WM_SETFOCUS);
|
|
|
2415 Lisp_Object conser;
|
|
223
|
2416
|
|
288
|
2417 /* struct gcpro gcpro1; */
|
|
213
|
2418
|
|
288
|
2419 /* Clear sticky modifiers here (if we had any) */
|
|
213
|
2420
|
|
288
|
2421 conser = Fcons (frame, Fcons (FRAME_DEVICE (f), in_p ? Qt : Qnil));
|
|
|
2422 /* GCPRO1 (conser); XXX Not necessary? */
|
|
|
2423 emacs_handle_focus_change_preliminary (conser);
|
|
|
2424 /* Under X the stuff up to here is done in the X event handler.
|
|
|
2425 I Don't know why */
|
|
|
2426 emacs_handle_focus_change_final (conser);
|
|
|
2427 /* UNGCPRO; */
|
|
223
|
2428
|
|
288
|
2429 }
|
|
|
2430 break;
|
|
213
|
2431
|
|
288
|
2432 case XM_MAPFRAME:
|
|
|
2433 case XM_UNMAPFRAME:
|
|
|
2434 {
|
|
|
2435 Lisp_Object frame = EVENT_CHANNEL (emacs_event);
|
|
|
2436 va_run_hook_with_args (EVENT_MSWINDOWS_MAGIC_TYPE(emacs_event)
|
|
|
2437 == XM_MAPFRAME ?
|
|
|
2438 Qmap_frame_hook : Qunmap_frame_hook,
|
|
|
2439 1, frame);
|
|
|
2440 }
|
|
|
2441 break;
|
|
223
|
2442
|
|
249
|
2443 /* #### What about Enter & Leave */
|
|
213
|
2444 #if 0
|
|
|
2445 va_run_hook_with_args (in_p ? Qmouse_enter_frame_hook :
|
|
|
2446 Qmouse_leave_frame_hook, 1, frame);
|
|
|
2447 #endif
|
|
|
2448
|
|
288
|
2449 default:
|
|
|
2450 assert(0);
|
|
|
2451 }
|
|
213
|
2452 }
|
|
|
2453
|
|
274
|
2454 static HANDLE
|
|
|
2455 get_process_input_waitable (struct Lisp_Process *process)
|
|
|
2456 {
|
|
282
|
2457 Lisp_Object instr, outstr, p;
|
|
|
2458 XSETPROCESS (p, process);
|
|
274
|
2459 get_process_streams (process, &instr, &outstr);
|
|
|
2460 assert (!NILP (instr));
|
|
282
|
2461 #if defined (HAVE_SOCKETS) && !defined(HAVE_MSG_SELECT)
|
|
|
2462 return (network_connection_p (p)
|
|
|
2463 ? get_winsock_stream_waitable (XLSTREAM (instr))
|
|
|
2464 : get_ntpipe_input_stream_waitable (XLSTREAM (instr)));
|
|
|
2465 #else
|
|
|
2466 return get_ntpipe_input_stream_waitable (XLSTREAM (instr));
|
|
|
2467 #endif
|
|
274
|
2468 }
|
|
|
2469
|
|
213
|
2470 static void
|
|
|
2471 emacs_mswindows_select_process (struct Lisp_Process *process)
|
|
|
2472 {
|
|
274
|
2473 HANDLE hev = get_process_input_waitable (process);
|
|
|
2474
|
|
|
2475 if (!add_waitable_handle (hev))
|
|
|
2476 error ("Too many active processes");
|
|
|
2477
|
|
276
|
2478 #ifdef HAVE_WIN32_PROCESSES
|
|
|
2479 {
|
|
282
|
2480 Lisp_Object p;
|
|
|
2481 XSETPROCESS (p, process);
|
|
|
2482 if (!network_connection_p (p))
|
|
276
|
2483 {
|
|
282
|
2484 HANDLE hprocess = get_nt_process_handle (process);
|
|
|
2485 if (!add_waitable_handle (hprocess))
|
|
|
2486 {
|
|
|
2487 remove_waitable_handle (hev);
|
|
|
2488 error ("Too many active processes");
|
|
|
2489 }
|
|
276
|
2490 }
|
|
|
2491 }
|
|
|
2492 #endif
|
|
213
|
2493 }
|
|
|
2494
|
|
|
2495 static void
|
|
|
2496 emacs_mswindows_unselect_process (struct Lisp_Process *process)
|
|
|
2497 {
|
|
274
|
2498 /* Process handle is removed in the event loop as soon
|
|
|
2499 as it is signaled, so don't bother here about it */
|
|
|
2500 HANDLE hev = get_process_input_waitable (process);
|
|
|
2501 remove_waitable_handle (hev);
|
|
213
|
2502 }
|
|
|
2503
|
|
|
2504 static void
|
|
|
2505 emacs_mswindows_select_console (struct console *con)
|
|
|
2506 {
|
|
|
2507 }
|
|
|
2508
|
|
|
2509 static void
|
|
|
2510 emacs_mswindows_unselect_console (struct console *con)
|
|
|
2511 {
|
|
|
2512 }
|
|
|
2513
|
|
|
2514 static void
|
|
|
2515 emacs_mswindows_quit_p (void)
|
|
|
2516 {
|
|
276
|
2517 /* Quit cannot happen in modal loop: all program
|
|
|
2518 input is dedicated to Windows. */
|
|
|
2519 if (mswindows_in_modal_loop)
|
|
|
2520 return;
|
|
|
2521
|
|
371
|
2522 /* Drain windows queue. This sets up number of quit
|
|
|
2523 characters in in the queue */
|
|
|
2524 mswindows_drain_windows_queue ();
|
|
223
|
2525
|
|
|
2526 if (mswindows_quit_chars_count > 0)
|
|
|
2527 {
|
|
|
2528 /* Yes there's a hidden one... Throw it away */
|
|
|
2529 struct Lisp_Event match_against;
|
|
|
2530 Lisp_Object emacs_event;
|
|
|
2531
|
|
|
2532 match_against.event_type = key_press_event;
|
|
|
2533 match_against.event.key.modifiers = FAKE_MOD_QUIT;
|
|
|
2534
|
|
|
2535 emacs_event = mswindows_cancel_dispatch_event (&match_against);
|
|
|
2536 assert (!NILP (emacs_event));
|
|
|
2537
|
|
|
2538 Vquit_flag = (XEVENT(emacs_event)->event.key.modifiers & MOD_SHIFT
|
|
|
2539 ? Qcritical : Qt);
|
|
|
2540
|
|
|
2541 Fdeallocate_event(emacs_event);
|
|
|
2542 --mswindows_quit_chars_count;
|
|
|
2543 }
|
|
213
|
2544 }
|
|
|
2545
|
|
274
|
2546 USID
|
|
|
2547 emacs_mswindows_create_stream_pair (void* inhandle, void* outhandle,
|
|
|
2548 Lisp_Object* instream,
|
|
|
2549 Lisp_Object* outstream,
|
|
|
2550 int flags)
|
|
|
2551 {
|
|
|
2552 /* Handles for streams */
|
|
|
2553 HANDLE hin, hout;
|
|
|
2554 /* fds. These just stored along with the streams, and are closed in
|
|
|
2555 delete stream pair method, because we need to handle fake unices
|
|
|
2556 here. */
|
|
|
2557 int fdi, fdo;
|
|
|
2558
|
|
|
2559 /* Decode inhandle and outhandle. Their meaning depends on
|
|
|
2560 the process implementation being used. */
|
|
|
2561 #if defined (HAVE_WIN32_PROCESSES)
|
|
|
2562 /* We're passed in Windows handles. That's what we like most... */
|
|
|
2563 hin = (HANDLE) inhandle;
|
|
|
2564 hout = (HANDLE) outhandle;
|
|
|
2565 fdi = fdo = -1;
|
|
|
2566 #elif defined (HAVE_UNIX_PROCESSES)
|
|
|
2567 /* We are passed UNIX fds. This must be Cygwin.
|
|
|
2568 Fetch os handles */
|
|
276
|
2569 hin = inhandle >= 0 ? (HANDLE)get_osfhandle ((int)inhandle) : INVALID_HANDLE_VALUE;
|
|
|
2570 hout = outhandle >= 0 ? (HANDLE)get_osfhandle ((int)outhandle) : INVALID_HANDLE_VALUE;
|
|
|
2571 fdi=(int)inhandle;
|
|
|
2572 fdo=(int)outhandle;
|
|
274
|
2573 #else
|
|
|
2574 #error "So, WHICH kind of processes do you want?"
|
|
|
2575 #endif
|
|
|
2576
|
|
282
|
2577 *instream = (hin == INVALID_HANDLE_VALUE
|
|
|
2578 ? Qnil
|
|
|
2579 #if defined (HAVE_SOCKETS) && !defined (HAVE_MSG_SELECT)
|
|
|
2580 : flags & STREAM_NETWORK_CONNECTION
|
|
|
2581 ? make_winsock_input_stream ((SOCKET)hin, fdi)
|
|
|
2582 #endif
|
|
|
2583 : make_ntpipe_input_stream (hin, fdi));
|
|
274
|
2584
|
|
276
|
2585 #ifdef HAVE_WIN32_PROCESSES
|
|
282
|
2586 *outstream = (hout == INVALID_HANDLE_VALUE
|
|
|
2587 ? Qnil
|
|
|
2588 #if defined (HAVE_SOCKETS) && !defined (HAVE_MSG_SELECT)
|
|
|
2589 : flags & STREAM_NETWORK_CONNECTION
|
|
|
2590 ? make_winsock_output_stream ((SOCKET)hout, fdo)
|
|
|
2591 #endif
|
|
|
2592 : make_ntpipe_output_stream (hout, fdo));
|
|
276
|
2593 #elif defined (HAVE_UNIX_PROCESSES)
|
|
|
2594 *outstream = (fdo >= 0
|
|
|
2595 ? make_filedesc_output_stream (fdo, 0, -1, LSTR_BLOCKED_OK)
|
|
|
2596 : Qnil);
|
|
|
2597
|
|
|
2598 #if defined(HAVE_UNIX_PROCESSES) && defined(HAVE_PTYS)
|
|
|
2599 /* FLAGS is process->pty_flag for UNIX_PROCESSES */
|
|
282
|
2600 if ((flags & STREAM_PTY_FLUSHING) && fdo >= 0)
|
|
276
|
2601 {
|
|
|
2602 Bufbyte eof_char = get_eof_char (fdo);
|
|
|
2603 int pty_max_bytes = get_pty_max_bytes (fdo);
|
|
|
2604 filedesc_stream_set_pty_flushing (XLSTREAM(*outstream), pty_max_bytes, eof_char);
|
|
|
2605 }
|
|
|
2606 #endif
|
|
|
2607 #endif
|
|
274
|
2608
|
|
282
|
2609 return (NILP (*instream)
|
|
|
2610 ? USID_ERROR
|
|
|
2611 #if defined(HAVE_SOCKETS) && !defined(HAVE_MSG_SELECT)
|
|
|
2612 : flags & STREAM_NETWORK_CONNECTION
|
|
|
2613 ? HANDLE_TO_USID (get_winsock_stream_waitable (XLSTREAM (*instream)))
|
|
|
2614 #endif
|
|
274
|
2615 : HANDLE_TO_USID (get_ntpipe_input_stream_waitable (XLSTREAM (*instream))));
|
|
|
2616 }
|
|
|
2617
|
|
|
2618 USID
|
|
|
2619 emacs_mswindows_delete_stream_pair (Lisp_Object instream,
|
|
|
2620 Lisp_Object outstream)
|
|
|
2621 {
|
|
|
2622 /* Oh nothing special here for Win32 at all */
|
|
|
2623 #if defined (HAVE_UNIX_PROCESSES)
|
|
282
|
2624 int in = (NILP(instream)
|
|
|
2625 ? -1
|
|
|
2626 #if defined(HAVE_SOCKETS) && !defined(HAVE_MSG_SELECT)
|
|
|
2627 : LSTREAM_TYPE_P (XLSTREAM (instream), winsock)
|
|
|
2628 ? get_winsock_stream_param (XLSTREAM (instream))
|
|
|
2629 #endif
|
|
274
|
2630 : get_ntpipe_input_stream_param (XLSTREAM (instream)));
|
|
|
2631 int out = (NILP(outstream) ? -1
|
|
276
|
2632 : filedesc_stream_fd (XLSTREAM (outstream)));
|
|
274
|
2633
|
|
|
2634 if (in >= 0)
|
|
|
2635 close (in);
|
|
|
2636 if (out != in && out >= 0)
|
|
|
2637 close (out);
|
|
|
2638 #endif
|
|
|
2639
|
|
282
|
2640 return (NILP (instream)
|
|
|
2641 ? USID_DONTHASH
|
|
|
2642 #if defined(HAVE_SOCKETS) && !defined(HAVE_MSG_SELECT)
|
|
|
2643 : LSTREAM_TYPE_P (XLSTREAM (instream), winsock)
|
|
|
2644 ? HANDLE_TO_USID (get_winsock_stream_waitable (XLSTREAM (instream)))
|
|
|
2645 #endif
|
|
274
|
2646 : HANDLE_TO_USID (get_ntpipe_input_stream_waitable (XLSTREAM (instream))));
|
|
|
2647 }
|
|
|
2648
|
|
263
|
2649 #ifndef HAVE_X_WINDOWS
|
|
213
|
2650 /* This is called from GC when a process object is about to be freed.
|
|
|
2651 If we've still got pointers to it in this file, we're gonna lose hard.
|
|
|
2652 */
|
|
|
2653 void
|
|
|
2654 debug_process_finalization (struct Lisp_Process *p)
|
|
|
2655 {
|
|
|
2656 #if 0 /* #### */
|
|
263
|
2657 Lisp_Object instr, outstr;
|
|
|
2658
|
|
|
2659 get_process_streams (p, &instr, &outstr);
|
|
213
|
2660 /* if it still has fds, then it hasn't been killed yet. */
|
|
263
|
2661 assert (NILP(instr));
|
|
|
2662 assert (NILP(outstr));
|
|
|
2663
|
|
|
2664 /* #### More checks here */
|
|
213
|
2665 #endif
|
|
|
2666 }
|
|
263
|
2667 #endif
|
|
213
|
2668
|
|
|
2669 /************************************************************************/
|
|
|
2670 /* initialization */
|
|
|
2671 /************************************************************************/
|
|
|
2672
|
|
|
2673 void
|
|
|
2674 vars_of_event_mswindows (void)
|
|
|
2675 {
|
|
223
|
2676 mswindows_u_dispatch_event_queue = Qnil;
|
|
|
2677 staticpro (&mswindows_u_dispatch_event_queue);
|
|
|
2678 mswindows_u_dispatch_event_queue_tail = Qnil;
|
|
|
2679
|
|
|
2680 mswindows_s_dispatch_event_queue = Qnil;
|
|
|
2681 staticpro (&mswindows_s_dispatch_event_queue);
|
|
|
2682 mswindows_s_dispatch_event_queue_tail = Qnil;
|
|
213
|
2683
|
|
231
|
2684 mswindows_error_caught_in_modal_loop = Qnil;
|
|
|
2685 staticpro (&mswindows_error_caught_in_modal_loop);
|
|
|
2686 mswindows_in_modal_loop = 0;
|
|
227
|
2687 mswindows_pending_timers_count = 0;
|
|
|
2688
|
|
213
|
2689 mswindows_event_stream = xnew (struct event_stream);
|
|
|
2690
|
|
|
2691 mswindows_event_stream->event_pending_p = emacs_mswindows_event_pending_p;
|
|
223
|
2692 mswindows_event_stream->next_event_cb = emacs_mswindows_next_event;
|
|
213
|
2693 mswindows_event_stream->handle_magic_event_cb = emacs_mswindows_handle_magic_event;
|
|
|
2694 mswindows_event_stream->add_timeout_cb = emacs_mswindows_add_timeout;
|
|
|
2695 mswindows_event_stream->remove_timeout_cb = emacs_mswindows_remove_timeout;
|
|
278
|
2696 mswindows_event_stream->quit_p_cb = emacs_mswindows_quit_p;
|
|
213
|
2697 mswindows_event_stream->select_console_cb = emacs_mswindows_select_console;
|
|
223
|
2698 mswindows_event_stream->unselect_console_cb = emacs_mswindows_unselect_console;
|
|
278
|
2699 #ifdef HAVE_MSG_SELECT
|
|
|
2700 mswindows_event_stream->select_process_cb =
|
|
|
2701 (void (*)(struct Lisp_Process*))event_stream_unixoid_select_process;
|
|
|
2702 mswindows_event_stream->unselect_process_cb =
|
|
|
2703 (void (*)(struct Lisp_Process*))event_stream_unixoid_unselect_process;
|
|
|
2704 mswindows_event_stream->create_stream_pair_cb = event_stream_unixoid_create_stream_pair;
|
|
|
2705 mswindows_event_stream->delete_stream_pair_cb = event_stream_unixoid_delete_stream_pair;
|
|
|
2706 #else
|
|
213
|
2707 mswindows_event_stream->select_process_cb = emacs_mswindows_select_process;
|
|
223
|
2708 mswindows_event_stream->unselect_process_cb = emacs_mswindows_unselect_process;
|
|
274
|
2709 mswindows_event_stream->create_stream_pair_cb = emacs_mswindows_create_stream_pair;
|
|
|
2710 mswindows_event_stream->delete_stream_pair_cb = emacs_mswindows_delete_stream_pair;
|
|
278
|
2711 #endif
|
|
223
|
2712
|
|
225
|
2713 DEFVAR_BOOL ("mswindows-dynamic-frame-resize", &mswindows_dynamic_frame_resize /*
|
|
223
|
2714 *Controls redrawing frame contents during mouse-drag or keyboard resize
|
|
|
2715 operation. When non-nil, the frame is redrawn while being resized. When
|
|
|
2716 nil, frame is not redrawn, and exposed areas are filled with default
|
|
|
2717 MDI application background color. Note that this option only has effect
|
|
|
2718 if "Show window contents while dragging" is on in system Display/Plus!
|
|
|
2719 settings.
|
|
|
2720 Default is t on fast machines, nil on slow.
|
|
|
2721 */ );
|
|
|
2722
|
|
|
2723 /* The description copied verbatim from nt-emacs. (C) Geoff Voelker */
|
|
272
|
2724 DEFVAR_INT ("mswindows-mouse-button-tolerance", &mswindows_mouse_button_tolerance /*
|
|
223
|
2725 *Analogue of double click interval for faking middle mouse events.
|
|
|
2726 The value is the minimum time in milliseconds that must elapse between
|
|
|
2727 left/right button down events before they are considered distinct events.
|
|
|
2728 If both mouse buttons are depressed within this interval, a middle mouse
|
|
|
2729 button down event is generated instead.
|
|
|
2730 If negative or zero, currently set system default is used instead.
|
|
|
2731 */ );
|
|
|
2732
|
|
|
2733 /* The description copied verbatim from nt-emacs. (C) Geoff Voelker */
|
|
225
|
2734 DEFVAR_INT ("mswindows-num-mouse-buttons", &mswindows_num_mouse_buttons /*
|
|
223
|
2735 Number of physical mouse buttons.
|
|
|
2736 */ );
|
|
|
2737
|
|
272
|
2738 DEFVAR_INT ("mswindows-mouse-button-max-skew-x", &mswindows_mouse_button_max_skew_x /*
|
|
223
|
2739 *Maximum horizontal distance in pixels between points in which left and
|
|
|
2740 right button clicks occured for them to be translated into single
|
|
|
2741 middle button event. Clicks must occur in time not longer than defined
|
|
272
|
2742 by the variable `mswindows-mouse-button-tolerance'.
|
|
223
|
2743 If negative or zero, currently set system default is used instead.
|
|
|
2744 */ );
|
|
|
2745
|
|
272
|
2746 DEFVAR_INT ("mswindows-mouse-button-max-skew-y", &mswindows_mouse_button_max_skew_y /*
|
|
223
|
2747 *Maximum vertical distance in pixels between points in which left and
|
|
|
2748 right button clicks occured for them to be translated into single
|
|
|
2749 middle button event. Clicks must occur in time not longer than defined
|
|
272
|
2750 by the variable `mswindows-mouse-button-tolerance'.
|
|
223
|
2751 If negative or zero, currently set system default is used instead.
|
|
|
2752 */ );
|
|
|
2753
|
|
272
|
2754 mswindows_mouse_button_max_skew_x = 0;
|
|
|
2755 mswindows_mouse_button_max_skew_y = 0;
|
|
|
2756 mswindows_mouse_button_tolerance = 0;
|
|
213
|
2757 }
|
|
|
2758
|
|
|
2759 void
|
|
|
2760 syms_of_event_mswindows (void)
|
|
|
2761 {
|
|
|
2762 }
|
|
|
2763
|
|
|
2764 void
|
|
274
|
2765 lstream_type_create_mswindows_selectable (void)
|
|
|
2766 {
|
|
|
2767 init_slurp_stream ();
|
|
|
2768 init_shove_stream ();
|
|
282
|
2769 #if defined (HAVE_SOCKETS) && !defined(HAVE_MSG_SELECT)
|
|
|
2770 init_winsock_stream ();
|
|
|
2771 #endif
|
|
274
|
2772 }
|
|
|
2773
|
|
|
2774 void
|
|
213
|
2775 init_event_mswindows_late (void)
|
|
|
2776 {
|
|
278
|
2777 #ifdef HAVE_MSG_SELECT
|
|
|
2778 windows_fd = open("/dev/windows", O_RDONLY | O_NONBLOCK, 0);
|
|
|
2779 assert (windows_fd>=0);
|
|
|
2780 FD_SET (windows_fd, &input_wait_mask);
|
|
371
|
2781 /* for some reason I get blocks on the signal event pipe, which is
|
|
|
2782 bad...
|
|
|
2783 signal_event_pipe_initialized = 0; */
|
|
278
|
2784 #endif
|
|
|
2785
|
|
213
|
2786 event_stream = mswindows_event_stream;
|
|
223
|
2787
|
|
|
2788 mswindows_dynamic_frame_resize = !GetSystemMetrics (SM_SLOWMACHINE);
|
|
|
2789 mswindows_num_mouse_buttons = GetSystemMetrics (SM_CMOUSEBUTTONS);
|
|
213
|
2790 }
|
