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462
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1 /* The event_stream interface for X11 with gtk, and/or tty frames.
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2 Copyright (C) 1991-5, 1997 Free Software Foundation, Inc.
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3 Copyright (C) 1995 Sun Microsystems, Inc.
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771
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4 Copyright (C) 1996, 2001 Ben Wing.
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462
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5 Copyright (C) 2000 William Perry.
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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 /* This file is heavily based upon event-Xt.c */
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25
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26 /* Synched up with: Not in FSF. */
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27
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28 #include <config.h>
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29 #include "lisp.h"
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30
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31 #include "console-gtk.h"
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32
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33 #include "blocktype.h"
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34 #include "buffer.h"
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35 #include "commands.h"
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36 #include "console.h"
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37 #include "console-tty.h"
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38 #include "events.h"
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39 #include "frame.h"
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40 #include "objects-gtk.h"
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41 #include "process.h"
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42 #include "redisplay.h"
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43 #include "elhash.h"
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44
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45 #include "gtk-xemacs.h"
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46
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47 #include "systime.h"
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48 #include "sysproc.h" /* for MAXDESC */
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49
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50 #include "lstream.h"
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51 #include "file-coding.h"
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52
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53 #include <gdk/gdkkeysyms.h>
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54
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55 #ifdef HAVE_DRAGNDROP
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56 #include "dragdrop.h"
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57 #endif
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58
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59 #if defined (HAVE_OFFIX_DND)
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60 #include "offix.h"
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61 #endif
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62
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63 #include "events-mod.h"
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64
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65 #include <gdk/gdkx.h>
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66
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67 static struct event_stream *gtk_event_stream;
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68
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69 /* Do we accept events sent by other clients? */
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70 int gtk_allow_sendevents;
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71
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72 static int process_events_occurred;
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73 static int tty_events_occurred;
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74
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75 /* Mask of bits indicating the descriptors that we wait for input on */
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76 extern SELECT_TYPE input_wait_mask, process_only_mask, tty_only_mask;
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77
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78 static Lisp_Object gtk_keysym_to_emacs_keysym ();
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79 void debug_process_finalization (struct Lisp_Process *p);
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80 gboolean emacs_gtk_event_handler (GtkWidget *wid /* unused */,
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81 GdkEvent *event,
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82 gpointer closure /* unused */);
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83
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84 static int last_quit_check_signal_tick_count;
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85
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86 Lisp_Object Qkey_mapping;
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87 Lisp_Object Qsans_modifiers;
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88
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89 static void enqueue_gtk_dispatch_event (Lisp_Object event);
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90
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91 #define IS_MODIFIER_KEY(keysym) \
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92 ((((keysym) >= GDK_Shift_L) && ((keysym) <= GDK_Hyper_R)) \
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93 || ((keysym) == GDK_Mode_switch) \
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94 || ((keysym) == GDK_Num_Lock))
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95
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96
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97
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98 /************************************************************************/
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99 /* magic-event handling */
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100 /************************************************************************/
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101 static void
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102 handle_focus_event_1 (struct frame *f, int in_p)
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103 {
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104 /* We don't want to handle the focus change now, because we might
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105 be in an accept-process-output, sleep-for, or sit-for. So
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106 we enqueue it.
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107
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108 Actually, we half handle it: we handle it as far as changing the
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109 box cursor for redisplay, but we don't call any hooks or do any
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110 select-frame stuff until after the sit-for.
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111 */
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112
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113 if (in_p)
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114 {
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115 GTK_WIDGET_SET_FLAGS (FRAME_GTK_TEXT_WIDGET (f), GTK_HAS_FOCUS);
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116 }
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117 else
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118 {
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119 GTK_WIDGET_UNSET_FLAGS (FRAME_GTK_TEXT_WIDGET (f), GTK_HAS_FOCUS);
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120 }
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121 gtk_widget_grab_focus (FRAME_GTK_TEXT_WIDGET (f));
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122 gtk_widget_draw_focus (FRAME_GTK_TEXT_WIDGET (f));
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123
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124 {
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125 Lisp_Object frm;
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126 Lisp_Object conser;
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127 struct gcpro gcpro1;
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128
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129 XSETFRAME (frm, f);
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130 conser = Fcons (frm, Fcons (FRAME_DEVICE (f), in_p ? Qt : Qnil));
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131 GCPRO1 (conser);
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132
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133 emacs_handle_focus_change_preliminary (conser);
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134 enqueue_magic_eval_event (emacs_handle_focus_change_final,
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135 conser);
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136 UNGCPRO;
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137 }
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138 }
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139
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140 /* both GDK_MAP and GDK_VISIBILITY_NOTIFY can cause this
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141 JV is_visible has the same semantics as f->visible*/
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142 static void
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143 change_frame_visibility (struct frame *f, int is_visible)
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144 {
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145 Lisp_Object frame;
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146
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147 XSETFRAME (frame, f);
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148
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149 if (!FRAME_VISIBLE_P (f) && is_visible)
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150 {
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151 FRAME_VISIBLE_P (f) = is_visible;
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152 /* This improves the double flicker when uniconifying a frame
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153 some. A lot of it is not showing a buffer which has changed
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154 while the frame was iconified. To fix it further requires
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155 the good 'ol double redisplay structure. */
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156 MARK_FRAME_WINDOWS_STRUCTURE_CHANGED (f);
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157 va_run_hook_with_args (Qmap_frame_hook, 1, frame);
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158 }
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159 else if (FRAME_VISIBLE_P (f) && !is_visible)
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160 {
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161 FRAME_VISIBLE_P (f) = 0;
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162 va_run_hook_with_args (Qunmap_frame_hook, 1, frame);
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163 }
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164 else if (FRAME_VISIBLE_P (f) * is_visible < 0)
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165 {
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166 FRAME_VISIBLE_P(f) = - FRAME_VISIBLE_P(f);
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167 if (FRAME_REPAINT_P (f))
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168 MARK_FRAME_WINDOWS_STRUCTURE_CHANGED (f);
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169 va_run_hook_with_args (Qmap_frame_hook, 1, frame);
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170 }
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171 }
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172
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173 static void
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174 handle_map_event (struct frame *f, GdkEvent *event)
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175 {
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176 Lisp_Object frame;
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177
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178 XSETFRAME (frame, f);
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179 if (event->any.type == GDK_MAP)
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180 {
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181 FRAME_GTK_TOTALLY_VISIBLE_P (f) = 1;
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182 change_frame_visibility (f, 1);
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183 }
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184 else
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185 {
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186 FRAME_GTK_TOTALLY_VISIBLE_P (f) = 0;
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187 change_frame_visibility (f, 0);
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188 /* Calling Fframe_iconified_p is the only way we have to
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189 correctly update FRAME_ICONIFIED_P */
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190 Fframe_iconified_p (frame);
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191 }
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192 }
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193
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194 static void
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195 handle_client_message (struct frame *f, GdkEvent *event)
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196 {
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197 Lisp_Object frame;
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198
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199 XSETFRAME (frame, f);
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200
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201 /* The event-Xt code used to handle WM_DELETE_WINDOW here, but we
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202 handle that directly in frame-gtk.c */
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203
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204 if (event->client.message_type == gdk_atom_intern ("WM_PROTOCOLS", 0) &&
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205 (GdkAtom) event->client.data.l[0] == gdk_atom_intern ("WM_TAKE_FOCUS", 0))
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206 {
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207 handle_focus_event_1 (f, 1);
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208 }
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209 }
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210
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211 static void
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212 emacs_gtk_handle_magic_event (struct Lisp_Event *emacs_event)
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213 {
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214 /* This function can GC */
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215 GdkEvent *event = &emacs_event->event.magic.underlying_gdk_event;
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216 struct frame *f = XFRAME (EVENT_CHANNEL (emacs_event));
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217
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218 if (!FRAME_LIVE_P (f))
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219 return;
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220
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221 switch (event->any.type)
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222 {
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223 case GDK_CLIENT_EVENT:
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224 handle_client_message (f, event);
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225 break;
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226
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227 case GDK_FOCUS_CHANGE:
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228 handle_focus_event_1 (f, event->focus_change.in);
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229 break;
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230
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231 case GDK_MAP:
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232 case GDK_UNMAP:
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233 handle_map_event (f, event);
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234 break;
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235
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236 case GDK_ENTER_NOTIFY:
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237 if (event->crossing.detail != GDK_NOTIFY_INFERIOR)
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238 {
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239 Lisp_Object frame;
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240
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241 XSETFRAME (frame, f);
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242 /* FRAME_X_MOUSE_P (f) = 1; */
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243 va_run_hook_with_args (Qmouse_enter_frame_hook, 1, frame);
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244 }
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245 break;
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246
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247 case GDK_LEAVE_NOTIFY:
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248 if (event->crossing.detail != GDK_NOTIFY_INFERIOR)
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249 {
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250 Lisp_Object frame;
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251
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252 XSETFRAME (frame, f);
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253 /* FRAME_X_MOUSE_P (f) = 0; */
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254 va_run_hook_with_args (Qmouse_leave_frame_hook, 1, frame);
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255 }
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256 break;
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257
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258 case GDK_VISIBILITY_NOTIFY: /* window visiblity has changed */
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259 if (event->visibility.window == GET_GTK_WIDGET_WINDOW (FRAME_GTK_SHELL_WIDGET (f)))
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260 {
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261 FRAME_GTK_TOTALLY_VISIBLE_P (f) =
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262 (event->visibility.state == GDK_VISIBILITY_UNOBSCURED);
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263 /* Note that the fvwm pager only sends VisibilityNotify when
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264 changing pages. Is this all we need to do ? JV */
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265 /* Nope. We must at least trigger a redisplay here.
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266 Since this case seems similar to MapNotify, I've
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267 factored out some code to change_frame_visibility().
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268 This triggers the necessary redisplay and runs
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269 (un)map-frame-hook. - dkindred@cs.cmu.edu */
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270 /* Changed it again to support the tristate visibility flag */
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271 change_frame_visibility (f, (event->visibility.state
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272 != GDK_VISIBILITY_FULLY_OBSCURED) ? 1 : -1);
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273 }
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274 break;
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275
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276 default:
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277 break;
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278 }
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279 }
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280
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281 /************************************************************************/
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282 /* Gtk to Emacs event conversion */
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283 /************************************************************************/
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284
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285 static int
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286 keysym_obeys_caps_lock_p (guint sym, struct device *d)
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287 {
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288 struct gtk_device *gd = DEVICE_GTK_DATA (d);
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289 /* Eeeeevil hack. Don't apply Caps_Lock to things that aren't alphabetic
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290 characters, where "alphabetic" means something more than simply A-Z.
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291 That is, if Caps_Lock is down, typing ESC doesn't produce Shift-ESC.
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292 But if shift-lock is down, then it does. */
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293 if (gd->lock_interpretation == GDK_Shift_Lock)
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294 return 1;
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295
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296 return
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297 ((sym >= GDK_A) && (sym <= GDK_Z)) ||
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298 ((sym >= GDK_a) && (sym <= GDK_z)) ||
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299 ((sym >= GDK_Agrave) && (sym <= GDK_Odiaeresis)) ||
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300 ((sym >= GDK_agrave) && (sym <= GDK_odiaeresis)) ||
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301 ((sym >= GDK_Ooblique) && (sym <= GDK_Thorn)) ||
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302 ((sym >= GDK_oslash) && (sym <= GDK_thorn));
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303 }
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304
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305 static void
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306 set_last_server_timestamp (struct device *d, GdkEvent *gdk_event)
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307 {
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308 guint32 t;
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309 switch (gdk_event->type)
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310 {
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311 case GDK_KEY_PRESS:
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312 case GDK_KEY_RELEASE: t = gdk_event->key.time; break;
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313 case GDK_BUTTON_PRESS:
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314 case GDK_2BUTTON_PRESS:
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315 case GDK_3BUTTON_PRESS:
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316 case GDK_BUTTON_RELEASE: t = gdk_event->button.time; break;
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317 case GDK_ENTER_NOTIFY:
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318 case GDK_LEAVE_NOTIFY: t = gdk_event->crossing.time; break;
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319 case GDK_MOTION_NOTIFY: t = gdk_event->motion.time; break;
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320 case GDK_PROPERTY_NOTIFY: t = gdk_event->property.time; break;
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321 case GDK_SELECTION_CLEAR:
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322 case GDK_SELECTION_REQUEST:
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323 case GDK_SELECTION_NOTIFY: t = gdk_event->selection.time; break;
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324 default: return;
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325 }
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326 DEVICE_GTK_LAST_SERVER_TIMESTAMP (d) = t;
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327 }
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328
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329 static Lisp_Object
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330 gtk_keysym_to_emacs_keysym (guint keysym, int simple_p)
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331 {
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332 char *name;
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333 if (keysym >= GDK_exclam && keysym <= GDK_asciitilde)
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334 /* We must assume that the X keysym numbers for the ASCII graphic
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335 characters are the same as their ASCII codes. */
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336 return make_char (keysym);
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337
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338 switch (keysym)
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339 {
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340 /* These would be handled correctly by the default case, but by
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341 special-casing them here we don't garbage a string or call
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342 intern(). */
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343 case GDK_BackSpace: return QKbackspace;
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344 case GDK_Tab: return QKtab;
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345 case GDK_Linefeed: return QKlinefeed;
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346 case GDK_Return: return QKreturn;
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347 case GDK_Escape: return QKescape;
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348 case GDK_space: return QKspace;
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349 case GDK_Delete: return QKdelete;
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350 case 0: return Qnil;
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351 default:
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352 if (simple_p) return Qnil;
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353 /* !!#### not Mule-ized */
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354 name = gdk_keyval_name (keysym);
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355 if (!name || !name[0])
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356 /* This happens if there is a mismatch between the Xlib of
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357 XEmacs and the Xlib of the X server...
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358
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359 Let's hard-code in some knowledge of common keysyms introduced
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360 in recent X11 releases. Snarfed from X11/keysymdef.h
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361
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362 Probably we should add some stuff here for X11R6. */
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363 switch (keysym)
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364 {
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365 case 0xFF95: return KEYSYM ("kp-home");
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366 case 0xFF96: return KEYSYM ("kp-left");
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367 case 0xFF97: return KEYSYM ("kp-up");
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368 case 0xFF98: return KEYSYM ("kp-right");
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369 case 0xFF99: return KEYSYM ("kp-down");
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370 case 0xFF9A: return KEYSYM ("kp-prior");
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371 case 0xFF9B: return KEYSYM ("kp-next");
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372 case 0xFF9C: return KEYSYM ("kp-end");
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373 case 0xFF9D: return KEYSYM ("kp-begin");
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374 case 0xFF9E: return KEYSYM ("kp-insert");
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375 case 0xFF9F: return KEYSYM ("kp-delete");
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376
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377 case 0x1005FF10: return KEYSYM ("SunF36"); /* labeled F11 */
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378 case 0x1005FF11: return KEYSYM ("SunF37"); /* labeled F12 */
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379 default:
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380 {
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381 char buf [64];
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382 sprintf (buf, "unknown-keysym-0x%X", (int) keysym);
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383 return KEYSYM (buf);
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384 }
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385 }
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386 /* If it's got a one-character name, that's good enough. */
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387 if (!name[1])
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388 return make_char (name[0]);
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389
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|
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390 /* If it's in the "Keyboard" character set, downcase it.
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|
|
391 The case of those keysyms is too totally random for us to
|
|
|
392 force anyone to remember them.
|
|
|
393 The case of the other character sets is significant, however.
|
|
|
394 */
|
|
|
395 if ((((unsigned int) keysym) & (~0x1FF)) == ((unsigned int) 0xFE00))
|
|
|
396 {
|
|
|
397 char buf [255];
|
|
|
398 char *s1, *s2;
|
|
|
399 for (s1 = name, s2 = buf; *s1; s1++, s2++) {
|
|
|
400 if (*s1 == '_') {
|
|
|
401 *s2 = '-';
|
|
|
402 } else {
|
|
|
403 *s2 = tolower (* (unsigned char *) s1);
|
|
|
404 }
|
|
|
405 }
|
|
|
406 *s2 = 0;
|
|
|
407 return KEYSYM (buf);
|
|
|
408 }
|
|
|
409 return KEYSYM (name);
|
|
|
410 }
|
|
|
411 }
|
|
|
412
|
|
|
413 static Lisp_Object
|
|
|
414 gtk_to_emacs_keysym (struct device *d, GdkEventKey *event, int simple_p)
|
|
|
415 /* simple_p means don't try too hard (ASCII only) */
|
|
|
416 {
|
|
|
417 if (event->length != 1)
|
|
771
|
418 {
|
|
462
|
419 /* Generate multiple emacs events */
|
|
|
420 Emchar ch;
|
|
|
421 Lisp_Object instream, fb_instream;
|
|
|
422 Lstream *istr;
|
|
|
423 struct gcpro gcpro1, gcpro2;
|
|
|
424
|
|
|
425 fb_instream =
|
|
771
|
426 make_fixed_buffer_input_stream ((unsigned char *) event->string, event->length);
|
|
462
|
427
|
|
771
|
428 /* #### Use get_coding_system_for_text_file
|
|
|
429 (Vcomposed_input_coding_system, 0) */
|
|
462
|
430 instream =
|
|
771
|
431 make_coding_input_stream (XLSTREAM (fb_instream),
|
|
|
432 Qundecided, CODING_DECODE);
|
|
462
|
433
|
|
|
434 istr = XLSTREAM (instream);
|
|
|
435
|
|
|
436 GCPRO2 (instream, fb_instream);
|
|
|
437 while ((ch = Lstream_get_emchar (istr)) != EOF)
|
|
771
|
438 {
|
|
462
|
439 Lisp_Object emacs_event = Fmake_event (Qnil, Qnil);
|
|
|
440 struct Lisp_Event *ev = XEVENT (emacs_event);
|
|
|
441 ev->channel = DEVICE_CONSOLE (d);
|
|
|
442 ev->event_type = key_press_event;
|
|
|
443 ev->timestamp = event->time;
|
|
|
444 ev->event.key.modifiers = 0;
|
|
|
445 ev->event.key.keysym = make_char (ch);
|
|
|
446 enqueue_gtk_dispatch_event (emacs_event);
|
|
771
|
447 }
|
|
462
|
448 Lstream_close (istr);
|
|
|
449 UNGCPRO;
|
|
|
450 Lstream_delete (istr);
|
|
|
451 Lstream_delete (XLSTREAM (fb_instream));
|
|
|
452 if (IS_MODIFIER_KEY (event->keyval) || (event->keyval == GDK_Mode_switch))
|
|
771
|
453 return (Qnil);
|
|
462
|
454 return (gtk_keysym_to_emacs_keysym (event->keyval, simple_p));
|
|
771
|
455 }
|
|
462
|
456 else
|
|
771
|
457 {
|
|
462
|
458 if (IS_MODIFIER_KEY (event->keyval) || (event->keyval == GDK_Mode_switch))
|
|
771
|
459 return (Qnil);
|
|
462
|
460 return (gtk_keysym_to_emacs_keysym (event->keyval, simple_p));
|
|
771
|
461 }
|
|
462
|
462 }
|
|
|
463
|
|
|
464
|
|
|
465 /************************************************************************/
|
|
|
466 /* timeout events */
|
|
|
467 /************************************************************************/
|
|
|
468
|
|
|
469 static int timeout_id_tick;
|
|
|
470
|
|
|
471 struct GTK_timeout {
|
|
|
472 int id;
|
|
|
473 guint timeout_id;
|
|
|
474 struct GTK_timeout *next;
|
|
|
475 } *pending_timeouts, *completed_timeouts;
|
|
|
476
|
|
|
477 struct GTK_timeout_blocktype
|
|
|
478 {
|
|
|
479 Blocktype_declare (struct GTK_timeout);
|
|
|
480 } *the_GTK_timeout_blocktype;
|
|
|
481
|
|
|
482 /* called by the gtk main loop */
|
|
|
483 static gint
|
|
|
484 gtk_timeout_callback (gpointer closure)
|
|
|
485 {
|
|
|
486 struct GTK_timeout *timeout = (struct GTK_timeout *) closure;
|
|
|
487 struct GTK_timeout *t2 = pending_timeouts;
|
|
|
488
|
|
|
489 /* Remove this one from the list of pending timeouts */
|
|
|
490 if (t2 == timeout)
|
|
|
491 pending_timeouts = pending_timeouts->next;
|
|
|
492 else
|
|
|
493 {
|
|
|
494 while (t2->next && t2->next != timeout) t2 = t2->next;
|
|
|
495 assert (t2->next);
|
|
|
496 t2->next = t2->next->next;
|
|
|
497 }
|
|
|
498 /* Add this one to the list of completed timeouts */
|
|
|
499 timeout->next = completed_timeouts;
|
|
|
500 completed_timeouts = timeout;
|
|
|
501 return(FALSE);
|
|
|
502 }
|
|
|
503
|
|
|
504 static int
|
|
|
505 emacs_gtk_add_timeout (EMACS_TIME thyme)
|
|
|
506 {
|
|
|
507 struct GTK_timeout *timeout = Blocktype_alloc (the_GTK_timeout_blocktype);
|
|
|
508 EMACS_TIME current_time;
|
|
|
509 int milliseconds;
|
|
|
510
|
|
|
511 timeout->id = timeout_id_tick++;
|
|
|
512 timeout->next = pending_timeouts;
|
|
|
513 pending_timeouts = timeout;
|
|
|
514 EMACS_GET_TIME (current_time);
|
|
|
515 EMACS_SUB_TIME (thyme, thyme, current_time);
|
|
|
516 milliseconds = EMACS_SECS (thyme) * 1000 +
|
|
|
517 EMACS_USECS (thyme) / 1000;
|
|
|
518 if (milliseconds < 1)
|
|
|
519 milliseconds = 1;
|
|
|
520 timeout->timeout_id = gtk_timeout_add (milliseconds,
|
|
|
521 gtk_timeout_callback,
|
|
|
522 (gpointer) timeout);
|
|
|
523 return timeout->id;
|
|
|
524 }
|
|
|
525
|
|
|
526 static void
|
|
|
527 emacs_gtk_remove_timeout (int id)
|
|
|
528 {
|
|
|
529 struct GTK_timeout *timeout, *t2;
|
|
|
530
|
|
|
531 timeout = NULL;
|
|
|
532
|
|
|
533 /* Find the timeout on the list of pending ones, if it's still there. */
|
|
|
534 if (pending_timeouts)
|
|
|
535 {
|
|
|
536 if (id == pending_timeouts->id)
|
|
|
537 {
|
|
|
538 timeout = pending_timeouts;
|
|
|
539 pending_timeouts = pending_timeouts->next;
|
|
|
540 }
|
|
|
541 else
|
|
|
542 {
|
|
|
543 t2 = pending_timeouts;
|
|
|
544 while (t2->next && t2->next->id != id) t2 = t2->next;
|
|
|
545 if ( t2->next) /*found it */
|
|
|
546 {
|
|
|
547 timeout = t2->next;
|
|
|
548 t2->next = t2->next->next;
|
|
|
549 }
|
|
|
550 }
|
|
|
551 /* if it was pending, we have removed it from the list */
|
|
|
552 if (timeout)
|
|
|
553 gtk_timeout_remove (timeout->timeout_id);
|
|
|
554 }
|
|
|
555
|
|
|
556 /* It could be that the call back was already called but we didn't convert
|
|
|
557 into an Emacs event yet */
|
|
|
558 if (!timeout && completed_timeouts)
|
|
|
559 {
|
|
|
560 /* Code duplication! */
|
|
|
561 if (id == completed_timeouts->id)
|
|
|
562 {
|
|
|
563 timeout = completed_timeouts;
|
|
|
564 completed_timeouts = completed_timeouts->next;
|
|
|
565 }
|
|
|
566 else
|
|
|
567 {
|
|
|
568 t2 = completed_timeouts;
|
|
|
569 while (t2->next && t2->next->id != id) t2 = t2->next;
|
|
|
570 if ( t2->next) /*found it */
|
|
|
571 {
|
|
|
572 timeout = t2->next;
|
|
|
573 t2->next = t2->next->next;
|
|
|
574 }
|
|
|
575 }
|
|
|
576 }
|
|
|
577
|
|
|
578 /* If we found the thing on the lists of timeouts,
|
|
|
579 and removed it, deallocate
|
|
|
580 */
|
|
|
581 if (timeout)
|
|
|
582 Blocktype_free (the_GTK_timeout_blocktype, timeout);
|
|
|
583 }
|
|
|
584
|
|
|
585 static void
|
|
|
586 gtk_timeout_to_emacs_event (struct Lisp_Event *emacs_event)
|
|
|
587 {
|
|
|
588 struct GTK_timeout *timeout = completed_timeouts;
|
|
|
589 assert (timeout);
|
|
|
590 completed_timeouts = completed_timeouts->next;
|
|
|
591 emacs_event->event_type = timeout_event;
|
|
|
592 /* timeout events have nil as channel */
|
|
|
593 emacs_event->timestamp = 0; /* #### wrong!! */
|
|
|
594 emacs_event->event.timeout.interval_id = timeout->id;
|
|
|
595 Blocktype_free (the_GTK_timeout_blocktype, timeout);
|
|
|
596 }
|
|
|
597
|
|
|
598
|
|
|
599 /************************************************************************/
|
|
|
600 /* process and tty events */
|
|
|
601 /************************************************************************/
|
|
|
602
|
|
|
603 struct what_is_ready_closure
|
|
|
604 {
|
|
|
605 int fd;
|
|
|
606 Lisp_Object what;
|
|
|
607 gint id;
|
|
|
608 };
|
|
|
609
|
|
|
610 static Lisp_Object *filedesc_with_input;
|
|
|
611 static struct what_is_ready_closure **filedesc_to_what_closure;
|
|
|
612
|
|
|
613 static void
|
|
|
614 init_what_input_once (void)
|
|
|
615 {
|
|
|
616 int i;
|
|
|
617
|
|
|
618 filedesc_with_input = xnew_array (Lisp_Object, MAXDESC);
|
|
|
619 filedesc_to_what_closure =
|
|
|
620 xnew_array (struct what_is_ready_closure *, MAXDESC);
|
|
|
621
|
|
|
622 for (i = 0; i < MAXDESC; i++)
|
|
|
623 {
|
|
|
624 filedesc_to_what_closure[i] = 0;
|
|
|
625 filedesc_with_input[i] = Qnil;
|
|
|
626 }
|
|
|
627
|
|
|
628 process_events_occurred = 0;
|
|
|
629 tty_events_occurred = 0;
|
|
|
630 }
|
|
|
631
|
|
|
632 static void
|
|
|
633 mark_what_as_being_ready (struct what_is_ready_closure *closure)
|
|
|
634 {
|
|
|
635 if (NILP (filedesc_with_input[closure->fd]))
|
|
|
636 {
|
|
|
637 SELECT_TYPE temp_mask;
|
|
|
638 FD_ZERO (&temp_mask);
|
|
|
639 FD_SET (closure->fd, &temp_mask);
|
|
|
640 /* Check to make sure there's *really* input available.
|
|
|
641 Sometimes things seem to get confused and this gets called
|
|
|
642 for the tty fd when there's really only input available
|
|
|
643 on some process's fd. (It will subsequently get called
|
|
|
644 for that process's fd, so returning without setting any
|
|
|
645 flags will take care of it.) To see the problem, uncomment
|
|
|
646 the stderr_out below, turn NORMAL_QUIT_CHECK_TIMEOUT_MSECS
|
|
|
647 down to 25, do sh -c 'xemacs -nw -q -f shell 2>/tmp/log'
|
|
|
648 and press return repeatedly. (Seen under AIX & Linux.)
|
|
|
649 -dkindred@cs.cmu.edu */
|
|
|
650 if (!poll_fds_for_input (temp_mask))
|
|
|
651 {
|
|
|
652 #if 0
|
|
|
653 stderr_out ("mark_what_as_being_ready: no input available (fd=%d)\n",
|
|
|
654 closure->fd);
|
|
|
655 #endif
|
|
|
656 return;
|
|
|
657 }
|
|
|
658 filedesc_with_input[closure->fd] = closure->what;
|
|
|
659 if (PROCESSP (closure->what))
|
|
|
660 {
|
|
|
661 /* Don't increment this if the current process is already marked
|
|
|
662 * as having input. */
|
|
|
663 process_events_occurred++;
|
|
|
664 }
|
|
|
665 else
|
|
|
666 {
|
|
|
667 tty_events_occurred++;
|
|
|
668 }
|
|
|
669 }
|
|
|
670 }
|
|
|
671
|
|
|
672 static void
|
|
|
673 gtk_what_callback (gpointer closure, gint source, GdkInputCondition why)
|
|
|
674 {
|
|
|
675 /* If closure is 0, then we got a fake event from a signal handler.
|
|
|
676 The only purpose of this is to make XtAppProcessEvent() stop
|
|
|
677 blocking. */
|
|
|
678 if (closure)
|
|
|
679 mark_what_as_being_ready ((struct what_is_ready_closure *) closure);
|
|
|
680 else
|
|
|
681 {
|
|
|
682 fake_event_occurred++;
|
|
|
683 drain_signal_event_pipe ();
|
|
|
684 }
|
|
|
685 }
|
|
|
686
|
|
|
687 static void
|
|
|
688 select_filedesc (int fd, Lisp_Object what)
|
|
|
689 {
|
|
|
690 struct what_is_ready_closure *closure;
|
|
|
691
|
|
|
692 /* If somebody is trying to select something that's already selected
|
|
|
693 for, then something went wrong. The generic routines ought to
|
|
|
694 detect this and error before here. */
|
|
|
695 assert (!filedesc_to_what_closure[fd]);
|
|
|
696
|
|
|
697 closure = xnew (struct what_is_ready_closure);
|
|
|
698 closure->fd = fd;
|
|
|
699 closure->what = what;
|
|
|
700 closure->id = gdk_input_add (fd, GDK_INPUT_READ,
|
|
|
701 (GdkInputFunction) gtk_what_callback, closure);
|
|
|
702 filedesc_to_what_closure[fd] = closure;
|
|
|
703 }
|
|
|
704
|
|
|
705 static void
|
|
|
706 unselect_filedesc (int fd)
|
|
|
707 {
|
|
|
708 struct what_is_ready_closure *closure = filedesc_to_what_closure[fd];
|
|
|
709
|
|
|
710 assert (closure);
|
|
|
711 if (!NILP (filedesc_with_input[fd]))
|
|
|
712 {
|
|
|
713 /* We are unselecting this process before we have drained the rest of
|
|
|
714 the input from it, probably from status_notify() in the command loop.
|
|
|
715 This can happen like so:
|
|
|
716
|
|
|
717 - We are waiting in XtAppNextEvent()
|
|
|
718 - Process generates output
|
|
|
719 - Process is marked as being ready
|
|
|
720 - Process dies, SIGCHLD gets generated before we return (!?)
|
|
|
721 It could happen I guess.
|
|
|
722 - sigchld_handler() marks process as dead
|
|
|
723 - Somehow we end up getting a new KeyPress event on the queue
|
|
|
724 at the same time (I'm really so sure how that happens but I'm
|
|
|
725 not sure it can't either so let's assume it can...).
|
|
|
726 - Key events have priority so we return that instead of the proc.
|
|
|
727 - Before dispatching the lisp key event we call status_notify()
|
|
|
728 - Which deselects the process that SIGCHLD marked as dead.
|
|
|
729
|
|
|
730 Thus we never remove it from _with_input and turn it into a lisp
|
|
|
731 event, so we need to do it here. But this does not mean that we're
|
|
|
732 throwing away the last block of output - status_notify() has already
|
|
|
733 taken care of running the proc filter or whatever.
|
|
|
734 */
|
|
|
735 filedesc_with_input[fd] = Qnil;
|
|
|
736 if (PROCESSP (closure->what))
|
|
|
737 {
|
|
|
738 assert (process_events_occurred > 0);
|
|
|
739 process_events_occurred--;
|
|
|
740 }
|
|
|
741 else
|
|
|
742 {
|
|
|
743 assert (tty_events_occurred > 0);
|
|
|
744 tty_events_occurred--;
|
|
|
745 }
|
|
|
746 }
|
|
|
747 gdk_input_remove (closure->id);
|
|
|
748 xfree (closure);
|
|
|
749 filedesc_to_what_closure[fd] = 0;
|
|
|
750 }
|
|
|
751
|
|
|
752 static void
|
|
|
753 emacs_gtk_select_process (struct Lisp_Process *p)
|
|
|
754 {
|
|
|
755 Lisp_Object process;
|
|
|
756 int infd = event_stream_unixoid_select_process (p);
|
|
|
757
|
|
|
758 XSETPROCESS (process, p);
|
|
|
759 select_filedesc (infd, process);
|
|
|
760 }
|
|
|
761
|
|
|
762 static void
|
|
|
763 emacs_gtk_unselect_process (struct Lisp_Process *p)
|
|
|
764 {
|
|
|
765 int infd = event_stream_unixoid_unselect_process (p);
|
|
|
766
|
|
|
767 unselect_filedesc (infd);
|
|
|
768 }
|
|
|
769
|
|
|
770 static USID
|
|
|
771 emacs_gtk_create_stream_pair (void* inhandle, void* outhandle,
|
|
|
772 Lisp_Object* instream, Lisp_Object* outstream, int flags)
|
|
|
773 {
|
|
|
774 USID u = event_stream_unixoid_create_stream_pair
|
|
|
775 (inhandle, outhandle, instream, outstream, flags);
|
|
|
776 if (u != USID_ERROR)
|
|
|
777 u = USID_DONTHASH;
|
|
|
778 return u;
|
|
|
779 }
|
|
|
780
|
|
|
781 static USID
|
|
|
782 emacs_gtk_delete_stream_pair (Lisp_Object instream, Lisp_Object outstream)
|
|
|
783 {
|
|
|
784 event_stream_unixoid_delete_stream_pair (instream, outstream);
|
|
|
785 return USID_DONTHASH;
|
|
|
786 }
|
|
|
787
|
|
|
788 /* This is called from GC when a process object is about to be freed.
|
|
|
789 If we've still got pointers to it in this file, we're gonna lose hard.
|
|
|
790 */
|
|
|
791 void
|
|
|
792 debug_process_finalization (struct Lisp_Process *p)
|
|
|
793 {
|
|
|
794 #if 0 /* #### */
|
|
|
795 int i;
|
|
|
796 Lisp_Object instr, outstr;
|
|
|
797
|
|
|
798 get_process_streams (p, &instr, &outstr);
|
|
|
799 /* if it still has fds, then it hasn't been killed yet. */
|
|
|
800 assert (NILP(instr));
|
|
|
801 assert (NILP(outstr));
|
|
|
802 /* Better not still be in the "with input" table; we know it's got no fds. */
|
|
|
803 for (i = 0; i < MAXDESC; i++)
|
|
|
804 {
|
|
|
805 Lisp_Object process = filedesc_fds_with_input [i];
|
|
|
806 assert (!PROCESSP (process) || XPROCESS (process) != p);
|
|
|
807 }
|
|
|
808 #endif
|
|
|
809 }
|
|
|
810
|
|
|
811 static void
|
|
|
812 gtk_process_to_emacs_event (struct Lisp_Event *emacs_event)
|
|
|
813 {
|
|
|
814 int i;
|
|
|
815 Lisp_Object process;
|
|
|
816
|
|
|
817 assert (process_events_occurred > 0);
|
|
|
818 for (i = 0; i < MAXDESC; i++)
|
|
|
819 {
|
|
|
820 process = filedesc_with_input[i];
|
|
|
821 if (PROCESSP (process))
|
|
|
822 break;
|
|
|
823 }
|
|
|
824 assert (i < MAXDESC);
|
|
|
825 filedesc_with_input[i] = Qnil;
|
|
|
826 process_events_occurred--;
|
|
|
827 /* process events have nil as channel */
|
|
|
828 emacs_event->event_type = process_event;
|
|
|
829 emacs_event->timestamp = 0; /* #### */
|
|
|
830 emacs_event->event.process.process = process;
|
|
|
831 }
|
|
|
832
|
|
|
833 static void
|
|
|
834 emacs_gtk_select_console (struct console *con)
|
|
|
835 {
|
|
|
836 Lisp_Object console;
|
|
|
837 int infd;
|
|
|
838
|
|
|
839 if (CONSOLE_GTK_P (con))
|
|
|
840 return; /* Gtk consoles are automatically selected for when we initialize them */
|
|
|
841 infd = event_stream_unixoid_select_console (con);
|
|
|
842 XSETCONSOLE (console, con);
|
|
|
843 select_filedesc (infd, console);
|
|
|
844 }
|
|
|
845
|
|
|
846 static void
|
|
|
847 emacs_gtk_unselect_console (struct console *con)
|
|
|
848 {
|
|
|
849 Lisp_Object console;
|
|
|
850 int infd;
|
|
|
851
|
|
|
852 if (CONSOLE_GTK_P (con))
|
|
|
853 return; /* X consoles are automatically selected for when we initialize them */
|
|
|
854 infd = event_stream_unixoid_unselect_console (con);
|
|
|
855 XSETCONSOLE (console, con);
|
|
|
856 unselect_filedesc (infd);
|
|
|
857 }
|
|
|
858
|
|
|
859 /* read an event from a tty, if one is available. Returns non-zero
|
|
|
860 if an event was available. Note that when this function is
|
|
|
861 called, there should always be a tty marked as ready for input.
|
|
|
862 However, the input condition might actually be EOF, so there
|
|
|
863 may not really be any input available. (In this case,
|
|
|
864 read_event_from_tty_or_stream_desc() will arrange for the TTY device
|
|
|
865 to be deleted.) */
|
|
|
866
|
|
|
867 static int
|
|
|
868 gtk_tty_to_emacs_event (struct Lisp_Event *emacs_event)
|
|
|
869 {
|
|
|
870 int i;
|
|
|
871
|
|
|
872 assert (tty_events_occurred > 0);
|
|
|
873 for (i = 0; i < MAXDESC; i++)
|
|
|
874 {
|
|
|
875 Lisp_Object console = filedesc_with_input[i];
|
|
|
876 if (CONSOLEP (console))
|
|
|
877 {
|
|
|
878 assert (tty_events_occurred > 0);
|
|
|
879 tty_events_occurred--;
|
|
|
880 filedesc_with_input[i] = Qnil;
|
|
771
|
881 if (read_event_from_tty_or_stream_desc (emacs_event,
|
|
|
882 XCONSOLE (console)))
|
|
462
|
883 return 1;
|
|
|
884 }
|
|
|
885 }
|
|
|
886
|
|
|
887 return 0;
|
|
|
888 }
|
|
|
889
|
|
|
890
|
|
|
891 /************************************************************************/
|
|
|
892 /* Drag 'n Drop handling */
|
|
|
893 /************************************************************************/
|
|
|
894 #ifdef HAVE_DRAGNDROP
|
|
|
895 #define TARGET_URI_LIST 0x00
|
|
|
896 #define TARGET_TEXT_PLAIN 0x01
|
|
|
897 #define TARGET_FILE_NAME 0x02
|
|
|
898 #define TARGET_NETSCAPE 0x03
|
|
|
899
|
|
|
900 static GdkAtom preferred_targets[10];
|
|
|
901
|
|
|
902 void
|
|
|
903 dragndrop_data_received (GtkWidget *widget,
|
|
|
904 GdkDragContext *context,
|
|
|
905 gint x,
|
|
|
906 gint y,
|
|
|
907 GtkSelectionData *data,
|
|
|
908 guint info,
|
|
|
909 guint time)
|
|
|
910 {
|
|
|
911 Lisp_Object event = Fmake_event (Qnil, Qnil);
|
|
|
912 struct device *d = gtk_any_window_to_device (widget->window);
|
|
|
913 struct frame *f = gtk_any_widget_or_parent_to_frame (d, widget);
|
|
|
914 struct Lisp_Event *ev = XEVENT (event);
|
|
|
915 Lisp_Object l_type = Qnil, l_data = Qnil;
|
|
|
916 Lisp_Object l_dndlist = Qnil, l_item = Qnil;
|
|
|
917 struct gcpro gcpro1, gcpro2, gcpro3, gcpro4;
|
|
|
918
|
|
|
919 GCPRO4 (l_type, l_data, l_dndlist, l_item);
|
|
|
920
|
|
|
921 ev->event_type = misc_user_event;
|
|
|
922 ev->timestamp = time;
|
|
|
923
|
|
|
924 XSETFRAME (ev->channel, f);
|
|
|
925
|
|
|
926 ev->event.misc.x = x;
|
|
|
927 ev->event.misc.y = y;
|
|
|
928
|
|
|
929 if (data->type == preferred_targets[TARGET_URI_LIST])
|
|
|
930 {
|
|
|
931 /* newline-separated list of URLs */
|
|
|
932 int start, end;
|
|
|
933 const char *string_data = (char *) data->data;
|
|
|
934
|
|
|
935 l_type = Qdragdrop_URL;
|
|
|
936
|
|
|
937 for (start = 0, end = 0; string_data && string_data[end]; end++)
|
|
|
938 {
|
|
|
939 if ((string_data[end] == '\r') && (string_data[end+1] == '\n'))
|
|
|
940 {
|
|
|
941 l_item = make_string (&string_data[start], end - start);
|
|
|
942 l_dndlist = Fcons (l_item, l_dndlist);
|
|
|
943 ++end;
|
|
|
944 start = ++end;
|
|
|
945 }
|
|
|
946 }
|
|
|
947 }
|
|
|
948 else if (data->type == preferred_targets[TARGET_TEXT_PLAIN])
|
|
|
949 {
|
|
|
950 /* Arbitrary string */
|
|
|
951 l_type = Qdragdrop_MIME;
|
|
|
952 l_dndlist = list1 (list3 (list1 (build_string ("text/plain")),
|
|
|
953 build_string ("8_bit"),
|
|
|
954 make_ext_string (data->data,
|
|
|
955 strlen ((char *)data->data),
|
|
|
956 Qctext)));
|
|
|
957 }
|
|
|
958 else if (data->type == preferred_targets[TARGET_FILE_NAME])
|
|
|
959 {
|
|
|
960 /* Random filename */
|
|
|
961 char *hurl = dnd_url_hexify_string (data->data, "file:");
|
|
|
962
|
|
665
|
963 l_dndlist = list1 (make_string ((Intbyte *)hurl, strlen (hurl)));
|
|
462
|
964 l_type = Qdragdrop_URL;
|
|
|
965
|
|
|
966 xfree (hurl);
|
|
|
967 }
|
|
|
968 else if (data->type == preferred_targets[TARGET_NETSCAPE])
|
|
|
969 {
|
|
|
970 /* Single URL */
|
|
|
971 l_dndlist = list1 (make_string ((Extbyte *)data->data,
|
|
|
972 strlen ((char *)data->data)));
|
|
|
973 l_type = Qdragdrop_URL;
|
|
|
974 }
|
|
|
975 else
|
|
|
976 {
|
|
|
977 /* Unknown type - what to do?
|
|
|
978 We just pass it up to lisp - we already have a mime type.
|
|
|
979 */
|
|
|
980 l_type = Qdragdrop_MIME;
|
|
|
981 l_dndlist = list1 (list3 (list1 (build_string (gdk_atom_name (data->type))),
|
|
|
982 build_string ("8bit"),
|
|
|
983 make_ext_string ((Extbyte *) data->data,
|
|
|
984 data->length, Qbinary)));
|
|
|
985 }
|
|
|
986
|
|
|
987 ev->event.misc.function = Qdragdrop_drop_dispatch;
|
|
|
988 ev->event.misc.object = Fcons (l_type, l_dndlist);
|
|
|
989
|
|
|
990 UNGCPRO;
|
|
|
991
|
|
|
992 gtk_drag_finish (context, TRUE, FALSE, time);
|
|
|
993 enqueue_gtk_dispatch_event (event);
|
|
|
994 }
|
|
|
995
|
|
|
996 gboolean
|
|
|
997 dragndrop_dropped (GtkWidget *widget,
|
|
|
998 GdkDragContext *drag_context,
|
|
|
999 gint x,
|
|
|
1000 gint y,
|
|
|
1001 guint time,
|
|
|
1002 gpointer user_data)
|
|
|
1003 {
|
|
|
1004 /* Netscape drops things like:
|
|
|
1005 STRING
|
|
|
1006 _SGI_ICON
|
|
|
1007 _SGI_ICON_TYPE
|
|
|
1008 SGI_FILE
|
|
|
1009 FILE_NAME
|
|
|
1010 _NETSCAPE_URL
|
|
|
1011
|
|
|
1012 gmc drops things like
|
|
|
1013 application/x-mc-desktop-icon
|
|
|
1014 text/uri-list
|
|
|
1015 text/plain
|
|
|
1016 _NETSCAPE_URL
|
|
|
1017
|
|
|
1018 We prefer:
|
|
|
1019 text/uri-list
|
|
|
1020 text/plain
|
|
|
1021 FILE_NAME
|
|
|
1022 _NETSCAPE_URL
|
|
|
1023 first one
|
|
|
1024 */
|
|
|
1025 GdkAtom found = 0;
|
|
|
1026 GList *list = drag_context->targets;
|
|
|
1027
|
|
|
1028 int i;
|
|
|
1029
|
|
|
1030 if (!preferred_targets[0])
|
|
|
1031 {
|
|
|
1032 preferred_targets[TARGET_URI_LIST] = gdk_atom_intern ("text/uri-list", FALSE);
|
|
|
1033 preferred_targets[TARGET_TEXT_PLAIN] = gdk_atom_intern ("text/plain", FALSE);
|
|
|
1034 preferred_targets[TARGET_FILE_NAME] = gdk_atom_intern ("FILE_NAME", FALSE);
|
|
|
1035 preferred_targets[TARGET_NETSCAPE] = gdk_atom_intern ("_NETSCAPE_URL", FALSE);
|
|
|
1036 }
|
|
|
1037
|
|
|
1038 #if 0
|
|
|
1039 stderr_out ("Drop info available in the following formats: \n");
|
|
|
1040 while (list)
|
|
|
1041 {
|
|
|
1042 stderr_out ("\t%s\n", gdk_atom_name ((GdkAtom)list->data));
|
|
|
1043 list = list->next;
|
|
|
1044 }
|
|
|
1045 list = drag_context->targets;
|
|
|
1046 #endif
|
|
|
1047
|
|
|
1048 while (list && !found)
|
|
|
1049 {
|
|
|
1050 for (i = 0; preferred_targets[i] && !found; i++)
|
|
|
1051 {
|
|
|
1052 if ((GdkAtom) list->data == preferred_targets[i])
|
|
|
1053 {
|
|
|
1054 found = (GdkAtom) list->data;
|
|
|
1055 }
|
|
|
1056 }
|
|
|
1057 list = list->next;
|
|
|
1058 }
|
|
|
1059
|
|
|
1060 if (!found)
|
|
|
1061 {
|
|
|
1062 found = (GdkAtom) drag_context->targets->data;
|
|
|
1063 }
|
|
|
1064
|
|
|
1065 gtk_drag_get_data (GTK_WIDGET (user_data), drag_context, found, time);
|
|
|
1066 return (TRUE);
|
|
|
1067 }
|
|
|
1068 #endif /* HAVE_DRAGNDROP */
|
|
|
1069
|
|
|
1070
|
|
|
1071 /************************************************************************/
|
|
|
1072 /* get the next event from gtk */
|
|
|
1073 /************************************************************************/
|
|
|
1074
|
|
|
1075 static Lisp_Object dispatch_event_queue, dispatch_event_queue_tail;
|
|
|
1076
|
|
|
1077 static void
|
|
|
1078 enqueue_gtk_dispatch_event (Lisp_Object event)
|
|
|
1079 {
|
|
|
1080 enqueue_event (event, &dispatch_event_queue, &dispatch_event_queue_tail);
|
|
|
1081 }
|
|
|
1082
|
|
|
1083 static Lisp_Object
|
|
|
1084 dequeue_gtk_dispatch_event (void)
|
|
|
1085 {
|
|
|
1086 return dequeue_event (&dispatch_event_queue, &dispatch_event_queue_tail);
|
|
|
1087 }
|
|
|
1088
|
|
|
1089 /* This business exists because menu events "happen" when
|
|
|
1090 menubar_selection_callback() is called from somewhere deep
|
|
|
1091 within XtAppProcessEvent in emacs_Xt_next_event(). The
|
|
|
1092 callback needs to terminate the modal loop in that function
|
|
|
1093 or else it will continue waiting until another event is
|
|
|
1094 received.
|
|
|
1095
|
|
|
1096 Same business applies to scrollbar events. */
|
|
|
1097
|
|
|
1098 void
|
|
|
1099 signal_special_gtk_user_event (Lisp_Object channel, Lisp_Object function,
|
|
|
1100 Lisp_Object object)
|
|
|
1101 {
|
|
|
1102 Lisp_Object event = Fmake_event (Qnil, Qnil);
|
|
|
1103
|
|
|
1104 XEVENT (event)->event_type = misc_user_event;
|
|
|
1105 XEVENT (event)->channel = channel;
|
|
|
1106 XEVENT (event)->event.eval.function = function;
|
|
|
1107 XEVENT (event)->event.eval.object = object;
|
|
|
1108
|
|
|
1109 enqueue_gtk_dispatch_event (event);
|
|
|
1110 }
|
|
|
1111
|
|
|
1112 static void
|
|
|
1113 emacs_gtk_next_event (struct Lisp_Event *emacs_event)
|
|
|
1114 {
|
|
|
1115 we_didnt_get_an_event:
|
|
|
1116
|
|
|
1117 while (NILP (dispatch_event_queue) &&
|
|
|
1118 !completed_timeouts &&
|
|
|
1119 !fake_event_occurred &&
|
|
|
1120 !process_events_occurred &&
|
|
|
1121 !tty_events_occurred)
|
|
|
1122 {
|
|
|
1123 gtk_main_iteration();
|
|
|
1124 }
|
|
|
1125
|
|
|
1126 if (!NILP (dispatch_event_queue))
|
|
|
1127 {
|
|
|
1128 Lisp_Object event, event2;
|
|
|
1129 XSETEVENT (event2, emacs_event);
|
|
|
1130 event = dequeue_gtk_dispatch_event ();
|
|
|
1131 Fcopy_event (event, event2);
|
|
|
1132 Fdeallocate_event (event);
|
|
|
1133 }
|
|
|
1134 else if (tty_events_occurred)
|
|
|
1135 {
|
|
|
1136 if (!gtk_tty_to_emacs_event (emacs_event))
|
|
|
1137 goto we_didnt_get_an_event;
|
|
|
1138 }
|
|
|
1139 else if (completed_timeouts)
|
|
|
1140 gtk_timeout_to_emacs_event (emacs_event);
|
|
|
1141 else if (fake_event_occurred)
|
|
|
1142 {
|
|
|
1143 /* A dummy event, so that a cycle of the command loop will occur. */
|
|
|
1144 fake_event_occurred = 0;
|
|
|
1145 /* eval events have nil as channel */
|
|
|
1146 emacs_event->event_type = eval_event;
|
|
|
1147 emacs_event->event.eval.function = Qidentity;
|
|
|
1148 emacs_event->event.eval.object = Qnil;
|
|
|
1149 }
|
|
|
1150 else /* if (process_events_occurred) */
|
|
|
1151 gtk_process_to_emacs_event (emacs_event);
|
|
|
1152 }
|
|
|
1153
|
|
|
1154 int
|
|
|
1155 gtk_event_to_emacs_event (struct frame *frame, GdkEvent *gdk_event, struct Lisp_Event *emacs_event)
|
|
|
1156 {
|
|
|
1157 struct device *d = NULL;
|
|
|
1158 struct gtk_device *gd = NULL;
|
|
|
1159 gboolean accept_any_window = FALSE;
|
|
|
1160
|
|
|
1161 if (!frame)
|
|
|
1162 {
|
|
|
1163 frame = XFRAME (Fselected_frame (Vdefault_gtk_device));
|
|
|
1164 accept_any_window = TRUE;
|
|
|
1165 }
|
|
|
1166
|
|
|
1167 d = XDEVICE (FRAME_DEVICE (frame));
|
|
|
1168 gd = DEVICE_GTK_DATA (d);
|
|
|
1169
|
|
|
1170 set_last_server_timestamp (d, gdk_event);
|
|
|
1171
|
|
|
1172 switch (gdk_event->type)
|
|
|
1173 {
|
|
|
1174 /* XEmacs handles double and triple clicking on its own, and if
|
|
|
1175 we capture these events, it royally confuses the code in
|
|
|
1176 ../lisp/mouse.el */
|
|
|
1177 case GDK_2BUTTON_PRESS:
|
|
|
1178 case GDK_3BUTTON_PRESS:
|
|
|
1179 return (0);
|
|
|
1180
|
|
|
1181 case GDK_BUTTON_PRESS:
|
|
|
1182 case GDK_BUTTON_RELEASE:
|
|
|
1183 /* We need to ignore button events outside our main window or
|
|
|
1184 things get ugly. The standard scrollbars in Gtk try to be
|
|
|
1185 nice and pass the button press events up to the parent
|
|
|
1186 widget. This causes us no end of grief though. Effects
|
|
|
1187 range from setting point to the wrong place to selecting
|
|
|
1188 new windows. */
|
|
|
1189 {
|
|
|
1190 GdkWindow *w = gdk_window_at_pointer (NULL, NULL);
|
|
|
1191
|
|
|
1192 /* If you press mouse button and drag it around, and release
|
|
|
1193 it outside the window, you will get a NULL GdkWindow at
|
|
|
1194 pointer. We need to forward these events on to XEmacs so
|
|
|
1195 that the mouse selection voodoo works.
|
|
|
1196 */
|
|
|
1197 if (w && (w != gdk_window_lookup (GDK_ROOT_WINDOW ())))
|
|
|
1198 {
|
|
|
1199 GdkEvent ev;
|
|
|
1200 GtkWidget *wid = NULL;
|
|
|
1201
|
|
|
1202 ev.any.window = w;
|
|
|
1203 wid = gtk_get_event_widget (&ev);
|
|
|
1204
|
|
|
1205 if (!GTK_IS_XEMACS (wid) && !accept_any_window)
|
|
|
1206 {
|
|
|
1207 return (0);
|
|
|
1208 }
|
|
|
1209 }
|
|
|
1210 if (!accept_any_window)
|
|
|
1211 gtk_widget_grab_focus (FRAME_GTK_TEXT_WIDGET (frame));
|
|
|
1212 }
|
|
|
1213 /* Fall through */
|
|
|
1214 case GDK_KEY_PRESS:
|
|
|
1215 {
|
|
|
1216 unsigned int modifiers = 0;
|
|
|
1217 int shift_p, lock_p;
|
|
|
1218 gboolean key_event_p = (gdk_event->type == GDK_KEY_PRESS);
|
|
|
1219 unsigned int *state =
|
|
|
1220 key_event_p ? &gdk_event->key.state : &gdk_event->button.state;
|
|
|
1221
|
|
|
1222 /* If this is a synthetic KeyPress or Button event, and the user
|
|
|
1223 has expressed a disinterest in this security hole, then drop
|
|
|
1224 it on the floor. */
|
|
|
1225 /* #### BILL!!! Should this be a generic check for ANY synthetic
|
|
|
1226 event? */
|
|
|
1227 if ((gdk_event->any.send_event) && !gtk_allow_sendevents)
|
|
|
1228 return 0;
|
|
|
1229
|
|
|
1230 DEVICE_GTK_MOUSE_TIMESTAMP (d) =
|
|
|
1231 DEVICE_GTK_GLOBAL_MOUSE_TIMESTAMP (d) =
|
|
|
1232 key_event_p ? gdk_event->key.time : gdk_event->button.time;
|
|
|
1233
|
|
|
1234 if (*state & GDK_CONTROL_MASK) modifiers |= XEMACS_MOD_CONTROL;
|
|
|
1235 if (*state & gd->MetaMask) modifiers |= XEMACS_MOD_META;
|
|
|
1236 if (*state & gd->SuperMask) modifiers |= XEMACS_MOD_SUPER;
|
|
|
1237 if (*state & gd->HyperMask) modifiers |= XEMACS_MOD_HYPER;
|
|
|
1238 if (*state & gd->AltMask) modifiers |= XEMACS_MOD_ALT;
|
|
|
1239
|
|
589
|
1240 {
|
|
|
1241 int numero_de_botao = -1;
|
|
|
1242
|
|
|
1243 if (!key_event_p)
|
|
|
1244 numero_de_botao = gdk_event->button.button;
|
|
|
1245
|
|
|
1246 /* the button gets noted either in the button or the modifiers
|
|
|
1247 field, but not both. */
|
|
|
1248 if (numero_de_botao != 1 && (*state & GDK_BUTTON1_MASK))
|
|
|
1249 modifiers |= XEMACS_MOD_BUTTON1;
|
|
|
1250 if (numero_de_botao != 2 && (*state & GDK_BUTTON2_MASK))
|
|
|
1251 modifiers |= XEMACS_MOD_BUTTON2;
|
|
|
1252 if (numero_de_botao != 3 && (*state & GDK_BUTTON3_MASK))
|
|
|
1253 modifiers |= XEMACS_MOD_BUTTON3;
|
|
|
1254 if (numero_de_botao != 4 && (*state & GDK_BUTTON4_MASK))
|
|
|
1255 modifiers |= XEMACS_MOD_BUTTON4;
|
|
|
1256 if (numero_de_botao != 5 && (*state & GDK_BUTTON5_MASK))
|
|
|
1257 modifiers |= XEMACS_MOD_BUTTON5;
|
|
|
1258 }
|
|
|
1259
|
|
462
|
1260 /* Ignore the Caps_Lock key if:
|
|
|
1261 - any other modifiers are down, so that Caps_Lock doesn't
|
|
|
1262 turn C-x into C-X, which would suck.
|
|
|
1263 - the event was a mouse event. */
|
|
|
1264 if (modifiers || ! key_event_p)
|
|
|
1265 *state &= (~GDK_LOCK_MASK);
|
|
|
1266
|
|
|
1267 shift_p = *state & GDK_SHIFT_MASK;
|
|
|
1268 lock_p = *state & GDK_LOCK_MASK;
|
|
|
1269
|
|
|
1270 if (shift_p || lock_p)
|
|
|
1271 modifiers |= XEMACS_MOD_SHIFT;
|
|
|
1272
|
|
|
1273 if (key_event_p)
|
|
|
1274 {
|
|
|
1275 GdkEventKey *key_event = &gdk_event->key;
|
|
|
1276 Lisp_Object keysym;
|
|
|
1277
|
|
|
1278 /* This used to compute the frame from the given X window and
|
|
|
1279 store it here, but we really don't care about the frame. */
|
|
|
1280 emacs_event->channel = DEVICE_CONSOLE (d);
|
|
|
1281
|
|
|
1282 /* Keysym mucking has already been done inside the
|
|
|
1283 GdkEventKey parsing */
|
|
|
1284 keysym = gtk_to_emacs_keysym (d, key_event, 0);
|
|
|
1285
|
|
|
1286 /* If the emacs keysym is nil, then that means that the X
|
|
|
1287 keysym was either a Modifier or NoSymbol, which
|
|
|
1288 probably means that we're in the midst of reading a
|
|
|
1289 Multi_key sequence, or a "dead" key prefix, or XIM
|
|
|
1290 input. Ignore it. */
|
|
|
1291 if (NILP (keysym))
|
|
|
1292 return 0;
|
|
|
1293
|
|
|
1294 /* More Caps_Lock garbage: Caps_Lock should *only* add the
|
|
|
1295 shift modifier to two-case keys (that is, A-Z and
|
|
|
1296 related characters). So at this point (after looking up
|
|
|
1297 the keysym) if the keysym isn't a dual-case alphabetic,
|
|
|
1298 and if the caps lock key was down but the shift key
|
|
|
1299 wasn't, then turn off the shift modifier. Gag barf */
|
|
|
1300 /* #### type lossage: assuming equivalence of emacs and
|
|
|
1301 X keysyms */
|
|
|
1302 /* !!#### maybe fix for Mule */
|
|
|
1303 if (lock_p && !shift_p &&
|
|
|
1304 ! (CHAR_OR_CHAR_INTP (keysym)
|
|
|
1305 && keysym_obeys_caps_lock_p
|
|
|
1306 ((guint) XCHAR_OR_CHAR_INT (keysym), d)))
|
|
|
1307 modifiers &= (~XEMACS_MOD_SHIFT);
|
|
|
1308
|
|
|
1309 /* If this key contains two distinct keysyms, that is,
|
|
|
1310 "shift" generates a different keysym than the
|
|
|
1311 non-shifted key, then don't apply the shift modifier
|
|
|
1312 bit: it's implicit. Otherwise, if there would be no
|
|
|
1313 other way to tell the difference between the shifted
|
|
|
1314 and unshifted version of this key, apply the shift bit.
|
|
|
1315 Non-graphics, like Backspace and F1 get the shift bit
|
|
|
1316 in the modifiers slot. Neither the characters "a",
|
|
|
1317 "A", "2", nor "@" normally have the shift bit set.
|
|
|
1318 However, "F1" normally does. */
|
|
|
1319 if (modifiers & XEMACS_MOD_SHIFT)
|
|
|
1320 {
|
|
|
1321 if (CHAR_OR_CHAR_INTP (keysym))
|
|
|
1322 {
|
|
|
1323 modifiers &= ~XEMACS_MOD_SHIFT;
|
|
|
1324 }
|
|
|
1325 }
|
|
|
1326
|
|
|
1327 emacs_event->event_type = key_press_event;
|
|
|
1328 emacs_event->timestamp = key_event->time;
|
|
|
1329 emacs_event->event.key.modifiers = modifiers;
|
|
|
1330 emacs_event->event.key.keysym = keysym;
|
|
|
1331 }
|
|
|
1332 else /* Mouse press/release event */
|
|
|
1333 {
|
|
|
1334 GdkEventButton *button_event = &gdk_event->button;
|
|
|
1335 XSETFRAME (emacs_event->channel, frame);
|
|
|
1336
|
|
|
1337 emacs_event->event_type = (button_event->type == GDK_BUTTON_RELEASE) ?
|
|
|
1338 button_release_event : button_press_event;
|
|
|
1339
|
|
|
1340 emacs_event->event.button.modifiers = modifiers;
|
|
|
1341 emacs_event->timestamp = button_event->time;
|
|
|
1342 emacs_event->event.button.button = button_event->button;
|
|
|
1343 emacs_event->event.button.x = button_event->x;
|
|
|
1344 emacs_event->event.button.y = button_event->y;
|
|
|
1345 }
|
|
|
1346 }
|
|
|
1347 break;
|
|
|
1348 case GDK_KEY_RELEASE:
|
|
|
1349 return 0;
|
|
|
1350 break;
|
|
|
1351 case GDK_MOTION_NOTIFY:
|
|
|
1352 {
|
|
|
1353 GdkEventMotion *ev = &gdk_event->motion;
|
|
|
1354 unsigned int modifiers = 0;
|
|
|
1355 gint x,y;
|
|
|
1356 GdkModifierType mask;
|
|
|
1357
|
|
|
1358 /* We use MOTION_HINT_MASK, so we will get only one motion
|
|
|
1359 event until the next time we call gdk_window_get_pointer or
|
|
|
1360 the user clicks the mouse. So call gdk_window_get_pointer
|
|
|
1361 now (meaning that the event will be in sync with the server
|
|
|
1362 just before Fnext_event() returns). If the mouse is still
|
|
|
1363 in motion, then the server will immediately generate
|
|
|
1364 exactly one more motion event, which will be on the queue
|
|
|
1365 waiting for us next time around. */
|
|
|
1366 gdk_window_get_pointer (ev->window, &x, &y, &mask);
|
|
|
1367
|
|
|
1368 DEVICE_GTK_MOUSE_TIMESTAMP (d) = ev->time;
|
|
|
1369
|
|
|
1370 XSETFRAME (emacs_event->channel, frame);
|
|
|
1371 emacs_event->event_type = pointer_motion_event;
|
|
|
1372 emacs_event->timestamp = ev->time;
|
|
|
1373 emacs_event->event.motion.x = x;
|
|
|
1374 emacs_event->event.motion.y = y;
|
|
|
1375 if (mask & GDK_SHIFT_MASK) modifiers |= XEMACS_MOD_SHIFT;
|
|
|
1376 if (mask & GDK_CONTROL_MASK) modifiers |= XEMACS_MOD_CONTROL;
|
|
|
1377 if (mask & gd->MetaMask) modifiers |= XEMACS_MOD_META;
|
|
|
1378 if (mask & gd->SuperMask) modifiers |= XEMACS_MOD_SUPER;
|
|
|
1379 if (mask & gd->HyperMask) modifiers |= XEMACS_MOD_HYPER;
|
|
|
1380 if (mask & gd->AltMask) modifiers |= XEMACS_MOD_ALT;
|
|
589
|
1381 if (mask & GDK_BUTTON1_MASK) modifiers |= XEMACS_MOD_BUTTON1;
|
|
|
1382 if (mask & GDK_BUTTON2_MASK) modifiers |= XEMACS_MOD_BUTTON2;
|
|
|
1383 if (mask & GDK_BUTTON3_MASK) modifiers |= XEMACS_MOD_BUTTON3;
|
|
|
1384 if (mask & GDK_BUTTON4_MASK) modifiers |= XEMACS_MOD_BUTTON4;
|
|
|
1385 if (mask & GDK_BUTTON5_MASK) modifiers |= XEMACS_MOD_BUTTON5;
|
|
|
1386
|
|
462
|
1387 /* Currently ignores Shift_Lock but probably shouldn't
|
|
|
1388 (but it definitely should ignore Caps_Lock). */
|
|
|
1389 emacs_event->event.motion.modifiers = modifiers;
|
|
|
1390 }
|
|
|
1391 break;
|
|
|
1392
|
|
|
1393 default: /* it's a magic event */
|
|
|
1394 return (0);
|
|
|
1395 break;
|
|
|
1396 }
|
|
|
1397 return 1;
|
|
|
1398 }
|
|
|
1399
|
|
|
1400 static const char *event_name (GdkEvent *);
|
|
|
1401
|
|
|
1402 static gboolean
|
|
|
1403 generic_event_handler (GtkWidget *widget, GdkEvent *event)
|
|
|
1404 {
|
|
|
1405 Lisp_Object emacs_event = Qnil;
|
|
|
1406 if (!GTK_IS_XEMACS (widget))
|
|
|
1407 {
|
|
|
1408 stderr_out ("Got a %s event for a non-XEmacs widget\n",event_name (event));
|
|
|
1409 return (FALSE);
|
|
|
1410 }
|
|
|
1411
|
|
|
1412 emacs_event = Fmake_event (Qnil, Qnil);
|
|
|
1413
|
|
|
1414 if (gtk_event_to_emacs_event (GTK_XEMACS_FRAME (widget), event, XEVENT (emacs_event)))
|
|
|
1415 {
|
|
|
1416 enqueue_gtk_dispatch_event (emacs_event);
|
|
|
1417 return (TRUE);
|
|
|
1418 }
|
|
|
1419 else
|
|
|
1420 {
|
|
|
1421 Fdeallocate_event (emacs_event);
|
|
|
1422 }
|
|
|
1423 return (FALSE);
|
|
|
1424 }
|
|
|
1425
|
|
|
1426 gint emacs_gtk_key_event_handler(GtkWidget *widget, GdkEventKey *event)
|
|
|
1427 {
|
|
|
1428 return (generic_event_handler (widget, (GdkEvent *) event));
|
|
|
1429 }
|
|
|
1430
|
|
|
1431 gint emacs_gtk_button_event_handler(GtkWidget *widget, GdkEventButton *event)
|
|
|
1432 {
|
|
|
1433 return (generic_event_handler (widget, (GdkEvent *) event));
|
|
|
1434 }
|
|
|
1435
|
|
|
1436 gint emacs_gtk_motion_event_handler (GtkWidget *widget, GdkEventMotion *event)
|
|
|
1437 {
|
|
|
1438 return (generic_event_handler (widget, (GdkEvent *) event));
|
|
|
1439 }
|
|
|
1440
|
|
|
1441 gboolean
|
|
|
1442 emacs_shell_event_handler (GtkWidget *wid /* unused */,
|
|
|
1443 GdkEvent *event,
|
|
|
1444 gpointer closure)
|
|
|
1445 {
|
|
|
1446 struct frame *frame = (struct frame *) closure;
|
|
|
1447 Lisp_Object lisp_event = Fmake_event (Qnil, Qnil);
|
|
|
1448 struct Lisp_Event *emacs_event = XEVENT (lisp_event);
|
|
|
1449 GdkEvent *gdk_event_copy = &emacs_event->event.magic.underlying_gdk_event;
|
|
|
1450 struct device *d = XDEVICE (FRAME_DEVICE (frame));
|
|
|
1451 gboolean ignore_p = FALSE;
|
|
|
1452
|
|
|
1453 set_last_server_timestamp (d, event);
|
|
|
1454
|
|
|
1455 #define FROB(event_member) gdk_event_copy->event_member = event->event_member
|
|
|
1456
|
|
|
1457 switch (event->type)
|
|
|
1458 {
|
|
|
1459 case GDK_SELECTION_REQUEST:
|
|
|
1460 case GDK_SELECTION_CLEAR:
|
|
|
1461 case GDK_SELECTION_NOTIFY: FROB(selection); break;
|
|
|
1462 case GDK_PROPERTY_NOTIFY: FROB(property); break;
|
|
|
1463 case GDK_CLIENT_EVENT: FROB(client); break;
|
|
|
1464 case GDK_MAP:
|
|
|
1465 case GDK_UNMAP: FROB(any); break;
|
|
|
1466 case GDK_CONFIGURE: FROB(configure); break;
|
|
|
1467 case GDK_ENTER_NOTIFY:
|
|
|
1468 case GDK_LEAVE_NOTIFY: FROB(crossing); break;
|
|
|
1469 case GDK_FOCUS_CHANGE: FROB(focus_change); break;
|
|
|
1470 case GDK_VISIBILITY_NOTIFY: FROB(visibility); break;
|
|
|
1471 default:
|
|
|
1472 ignore_p = TRUE;
|
|
|
1473 /* Hrmm... do we really want to swallow all the other events as magic? */
|
|
|
1474 *gdk_event_copy = *event;
|
|
|
1475 break;
|
|
|
1476 }
|
|
|
1477 #undef FROB
|
|
|
1478
|
|
|
1479 emacs_event->event_type = magic_event;
|
|
|
1480 XSETFRAME (emacs_event->channel, frame);
|
|
|
1481
|
|
|
1482 if (ignore_p)
|
|
|
1483 {
|
|
|
1484 stderr_out ("Ignoring event... (%s)\n", event_name (event));
|
|
|
1485 Fdeallocate_event (lisp_event);
|
|
|
1486 return (FALSE);
|
|
|
1487 }
|
|
|
1488 else
|
|
|
1489 {
|
|
|
1490 enqueue_gtk_dispatch_event (lisp_event);
|
|
|
1491 return (TRUE);
|
|
|
1492 }
|
|
|
1493 }
|
|
|
1494
|
|
|
1495
|
|
|
1496 /************************************************************************/
|
|
|
1497 /* input pending / C-g checking */
|
|
|
1498 /************************************************************************/
|
|
|
1499 static void
|
|
|
1500 gtk_check_for_quit_char (struct device *d);
|
|
|
1501
|
|
|
1502 static void
|
|
|
1503 check_for_tty_quit_char (struct device *d)
|
|
|
1504 {
|
|
|
1505 SELECT_TYPE temp_mask;
|
|
|
1506 int infd = DEVICE_INFD (d);
|
|
|
1507 struct console *con = XCONSOLE (DEVICE_CONSOLE (d));
|
|
|
1508 Emchar quit_char = CONSOLE_QUIT_CHAR (con);
|
|
|
1509
|
|
|
1510 FD_ZERO (&temp_mask);
|
|
|
1511 FD_SET (infd, &temp_mask);
|
|
|
1512
|
|
|
1513 while (1)
|
|
|
1514 {
|
|
|
1515 Lisp_Object event;
|
|
|
1516 Emchar the_char;
|
|
|
1517
|
|
|
1518 if (!poll_fds_for_input (temp_mask))
|
|
|
1519 return;
|
|
|
1520
|
|
|
1521 event = Fmake_event (Qnil, Qnil);
|
|
771
|
1522 if (!read_event_from_tty_or_stream_desc (XEVENT (event), con))
|
|
462
|
1523 /* EOF, or something ... */
|
|
|
1524 return;
|
|
|
1525 /* #### bogus. quit-char should be allowed to be any sort
|
|
|
1526 of event. */
|
|
|
1527 the_char = event_to_character (XEVENT (event), 1, 0, 0);
|
|
|
1528 if (the_char >= 0 && the_char == quit_char)
|
|
|
1529 {
|
|
|
1530 Vquit_flag = Qt;
|
|
|
1531 /* do not queue the C-g. See above. */
|
|
|
1532 return;
|
|
|
1533 }
|
|
|
1534
|
|
|
1535 /* queue the read event to be read for real later. */
|
|
|
1536 enqueue_gtk_dispatch_event (event);
|
|
|
1537 }
|
|
|
1538 }
|
|
|
1539
|
|
|
1540 static void
|
|
|
1541 emacs_gtk_quit_p (void)
|
|
|
1542 {
|
|
|
1543 Lisp_Object devcons, concons;
|
|
|
1544
|
|
|
1545 CONSOLE_LOOP (concons)
|
|
|
1546 {
|
|
|
1547 struct console *con = XCONSOLE (XCAR (concons));
|
|
|
1548 if (!con->input_enabled)
|
|
|
1549 continue;
|
|
|
1550
|
|
|
1551 CONSOLE_DEVICE_LOOP (devcons, con)
|
|
|
1552 {
|
|
|
1553 struct device *d;
|
|
|
1554 d = XDEVICE (XCAR (devcons));
|
|
|
1555
|
|
|
1556 if (DEVICE_GTK_P (d))
|
|
|
1557 /* emacs may be exiting */
|
|
|
1558 gtk_check_for_quit_char (d);
|
|
|
1559 else if (DEVICE_TTY_P (d))
|
|
|
1560 check_for_tty_quit_char (d);
|
|
|
1561 }
|
|
|
1562 }
|
|
|
1563 }
|
|
|
1564
|
|
|
1565 #include <gdk/gdkx.h>
|
|
|
1566
|
|
|
1567 static void
|
|
|
1568 drain_gtk_queue (void)
|
|
|
1569
|
|
|
1570 {
|
|
|
1571 /* We can't just spin through here and wait for GTKs idea of the
|
|
|
1572 event queue to get empty, or the queue never gets drained. The
|
|
|
1573 situation is as follows. A process event gets signalled, we put
|
|
|
1574 it on the queue, then we go into Fnext_event(), which calls
|
|
|
1575 drain_gtk_queue(). But gtk_events_pending() will always return
|
|
|
1576 TRUE if there are file-descriptor (aka our process) events
|
|
|
1577 pending. Using GDK_events_pending() only shows us windowing
|
|
|
1578 system events.
|
|
|
1579 */
|
|
|
1580 if (GDK_DISPLAY ())
|
|
|
1581 while (gdk_events_pending ())
|
|
|
1582 gtk_main_iteration ();
|
|
|
1583 }
|
|
|
1584
|
|
|
1585 static int
|
|
|
1586 emacs_gtk_event_pending_p (int user_p)
|
|
|
1587 {
|
|
|
1588 Lisp_Object event;
|
|
|
1589 int tick_count_val;
|
|
|
1590
|
|
|
1591 /* If `user_p' is false, then this function returns whether there are any
|
|
|
1592 X, timeout, or fd events pending (that is, whether emacs_gtk_next_event()
|
|
|
1593 would return immediately without blocking).
|
|
|
1594
|
|
|
1595 if `user_p' is true, then this function returns whether there are any
|
|
|
1596 *user generated* events available (that is, whether there are keyboard
|
|
|
1597 or mouse-click events ready to be read). This also implies that
|
|
|
1598 emacs_Xt_next_event() would not block.
|
|
|
1599
|
|
|
1600 In a non-SIGIO world, this also checks whether the user has typed ^G,
|
|
|
1601 since this is a convenient place to do so. We don't need to do this
|
|
|
1602 in a SIGIO world, since input causes an interrupt.
|
|
|
1603 */
|
|
|
1604
|
|
|
1605 /* This function used to simply check whether there were any X
|
|
|
1606 events (or if user_p was 1, it iterated over all the pending
|
|
|
1607 X events using XCheckIfEvent(), looking for keystrokes and
|
|
|
1608 button events). That worked in the old cheesoid event loop,
|
|
|
1609 which didn't go through XtAppDispatchEvent(), but it doesn't
|
|
|
1610 work any more -- X events may not result in anything. For
|
|
|
1611 example, a button press in a blank part of the menubar appears
|
|
|
1612 as an X event but will not result in any Emacs events (a
|
|
|
1613 button press that activates the menubar results in an Emacs
|
|
|
1614 event through the stop_next_event mechanism).
|
|
|
1615
|
|
|
1616 The only accurate way of determining whether these X events
|
|
|
1617 translate into Emacs events is to go ahead and dispatch them
|
|
|
1618 until there's something on the dispatch queue. */
|
|
|
1619
|
|
|
1620 /* See if there are any user events already on the queue. */
|
|
|
1621 EVENT_CHAIN_LOOP (event, dispatch_event_queue)
|
|
|
1622 if (!user_p || command_event_p (event))
|
|
|
1623 return 1;
|
|
|
1624
|
|
|
1625 /* See if there's any TTY input available.
|
|
|
1626 */
|
|
|
1627 if (poll_fds_for_input (tty_only_mask))
|
|
|
1628 return 1;
|
|
|
1629
|
|
|
1630 if (!user_p)
|
|
|
1631 {
|
|
|
1632 /* If not user_p and there are any timer or file-desc events
|
|
|
1633 pending, we know there will be an event so we're through. */
|
|
|
1634 /* XtInputMask pending_value; */
|
|
|
1635
|
|
|
1636 /* Note that formerly we just checked the value of XtAppPending()
|
|
|
1637 to determine if there was file-desc input. This doesn't
|
|
|
1638 work any more with the signal_event_pipe; XtAppPending()
|
|
|
1639 will says "yes" in this case but there isn't really any
|
|
|
1640 input. Another way of fixing this problem is for the
|
|
|
1641 signal_event_pipe to generate actual input in the form
|
|
|
1642 of an identity eval event or something. (#### maybe this
|
|
|
1643 actually happens?) */
|
|
|
1644
|
|
|
1645 if (poll_fds_for_input (process_only_mask))
|
|
|
1646 return 1;
|
|
|
1647
|
|
|
1648 /* #### Is there any way to do this in Gtk? I don't think there
|
|
|
1649 is a 'peek' for events */
|
|
|
1650 #if 0
|
|
|
1651 pending_value = XtAppPending (Xt_app_con);
|
|
|
1652
|
|
|
1653 if (pending_value & XtIMTimer)
|
|
|
1654 return 1;
|
|
|
1655 #endif
|
|
|
1656 }
|
|
|
1657
|
|
|
1658 /* XtAppPending() can be super-slow, esp. over a network connection.
|
|
|
1659 Quantify results have indicated that in some cases the
|
|
|
1660 call to detect_input_pending() completely dominates the
|
|
|
1661 running time of redisplay(). Fortunately, in a SIGIO world
|
|
|
1662 we can more quickly determine whether there are any X events:
|
|
|
1663 if an event has happened since the last time we checked, then
|
|
|
1664 a SIGIO will have happened. On a machine with broken SIGIO,
|
|
|
1665 we'll still be in an OK state -- the sigio_happened flag
|
|
|
1666 will get set at least once a second, so we'll be no more than
|
|
|
1667 one second behind reality. (In general it's OK if we
|
|
|
1668 erroneously report no input pending when input is actually
|
|
|
1669 pending() -- preemption is just a bit less efficient, that's
|
|
|
1670 all. It's bad bad bad if you err the other way -- you've
|
|
|
1671 promised that `next-event' won't block but it actually will,
|
|
|
1672 and some action might get delayed until the next time you
|
|
|
1673 hit a key.)
|
|
|
1674 */
|
|
|
1675
|
|
|
1676 /* quit_check_signal_tick_count is volatile so try to avoid race conditions
|
|
|
1677 by using a temporary variable */
|
|
|
1678 tick_count_val = quit_check_signal_tick_count;
|
|
|
1679 if (last_quit_check_signal_tick_count != tick_count_val)
|
|
|
1680 {
|
|
|
1681 last_quit_check_signal_tick_count = tick_count_val;
|
|
|
1682
|
|
|
1683 /* We need to drain the entire queue now -- if we only
|
|
|
1684 drain part of it, we may later on end up with events
|
|
|
1685 actually pending but detect_input_pending() returning
|
|
|
1686 false because there wasn't another SIGIO. */
|
|
|
1687
|
|
|
1688 drain_gtk_queue ();
|
|
|
1689
|
|
|
1690 EVENT_CHAIN_LOOP (event, dispatch_event_queue)
|
|
|
1691 if (!user_p || command_event_p (event))
|
|
|
1692 return 1;
|
|
|
1693 }
|
|
|
1694
|
|
|
1695 return 0;
|
|
|
1696 }
|
|
|
1697
|
|
|
1698
|
|
|
1699 /************************************************************************/
|
|
|
1700 /* initialization */
|
|
|
1701 /************************************************************************/
|
|
|
1702
|
|
|
1703 void
|
|
|
1704 syms_of_event_gtk (void)
|
|
|
1705 {
|
|
563
|
1706 DEFSYMBOL (Qkey_mapping);
|
|
|
1707 DEFSYMBOL (Qsans_modifiers);
|
|
462
|
1708 }
|
|
|
1709
|
|
|
1710 void reinit_vars_of_event_gtk (void)
|
|
|
1711 {
|
|
|
1712 gtk_event_stream = xnew (struct event_stream);
|
|
|
1713 gtk_event_stream->event_pending_p = emacs_gtk_event_pending_p;
|
|
|
1714 gtk_event_stream->next_event_cb = emacs_gtk_next_event;
|
|
|
1715 gtk_event_stream->handle_magic_event_cb= emacs_gtk_handle_magic_event;
|
|
|
1716 gtk_event_stream->add_timeout_cb = emacs_gtk_add_timeout;
|
|
|
1717 gtk_event_stream->remove_timeout_cb = emacs_gtk_remove_timeout;
|
|
|
1718 gtk_event_stream->select_console_cb = emacs_gtk_select_console;
|
|
|
1719 gtk_event_stream->unselect_console_cb = emacs_gtk_unselect_console;
|
|
|
1720 gtk_event_stream->select_process_cb = emacs_gtk_select_process;
|
|
|
1721 gtk_event_stream->unselect_process_cb = emacs_gtk_unselect_process;
|
|
|
1722 gtk_event_stream->quit_p_cb = emacs_gtk_quit_p;
|
|
|
1723 gtk_event_stream->create_stream_pair_cb= emacs_gtk_create_stream_pair;
|
|
|
1724 gtk_event_stream->delete_stream_pair_cb= emacs_gtk_delete_stream_pair;
|
|
|
1725
|
|
|
1726 the_GTK_timeout_blocktype = Blocktype_new (struct GTK_timeout_blocktype);
|
|
|
1727
|
|
|
1728 /* this function only makes safe calls */
|
|
|
1729 init_what_input_once ();
|
|
|
1730 }
|
|
|
1731
|
|
|
1732 void
|
|
|
1733 vars_of_event_gtk (void)
|
|
|
1734 {
|
|
|
1735 reinit_vars_of_event_gtk ();
|
|
|
1736
|
|
|
1737 dispatch_event_queue = Qnil;
|
|
|
1738 staticpro (&dispatch_event_queue);
|
|
|
1739 dispatch_event_queue_tail = Qnil;
|
|
464
|
1740 staticpro (&dispatch_event_queue_tail);
|
|
462
|
1741
|
|
|
1742 DEFVAR_BOOL ("gtk-allow-sendevents", >k_allow_sendevents /*
|
|
|
1743 *Non-nil means to allow synthetic events. Nil means they are ignored.
|
|
|
1744 Beware: allowing emacs to process SendEvents opens a big security hole.
|
|
|
1745 */ );
|
|
|
1746 gtk_allow_sendevents = 0;
|
|
|
1747
|
|
|
1748 last_quit_check_signal_tick_count = 0;
|
|
|
1749 }
|
|
|
1750
|
|
|
1751 void
|
|
|
1752 init_event_gtk_late (void) /* called when already initialized */
|
|
|
1753 {
|
|
|
1754 timeout_id_tick = 1;
|
|
|
1755 pending_timeouts = 0;
|
|
|
1756 completed_timeouts = 0;
|
|
|
1757
|
|
|
1758 event_stream = gtk_event_stream;
|
|
|
1759
|
|
|
1760 #if 0
|
|
|
1761 /* Shut GDK the hell up */
|
|
|
1762 gdk_error_trap_push ();
|
|
|
1763 #endif
|
|
|
1764
|
|
|
1765 gdk_input_add (signal_event_pipe[0], GDK_INPUT_READ,
|
|
|
1766 (GdkInputFunction) gtk_what_callback, NULL);
|
|
|
1767 }
|
|
|
1768
|
|
|
1769 /* Bogus utility routines */
|
|
|
1770 static const char *event_name (GdkEvent *ev)
|
|
|
1771 {
|
|
|
1772 return (gtk_event_name (ev->any.type));
|
|
|
1773 }
|
|
|
1774
|
|
|
1775 /* This is down at the bottom of the file so I can avoid polluting the
|
|
|
1776 generic code with this X specific CRAP! */
|
|
|
1777
|
|
|
1778 #include <gdk/gdkx.h>
|
|
|
1779 #include <X11/keysym.h>
|
|
|
1780 /* #### BILL!!! Fix this please! */
|
|
|
1781
|
|
|
1782
|
|
|
1783 /************************************************************************/
|
|
|
1784 /* keymap handling */
|
|
|
1785 /************************************************************************/
|
|
|
1786
|
|
|
1787 /* X bogusly doesn't define the interpretations of any bits besides
|
|
|
1788 ModControl, ModShift, and ModLock; so the Interclient Communication
|
|
|
1789 Conventions Manual says that we have to bend over backwards to figure
|
|
|
1790 out what the other modifier bits mean. According to ICCCM:
|
|
|
1791
|
|
|
1792 - Any keycode which is assigned ModControl is a "control" key.
|
|
|
1793
|
|
|
1794 - Any modifier bit which is assigned to a keycode which generates Meta_L
|
|
|
1795 or Meta_R is the modifier bit meaning "meta". Likewise for Super, Hyper,
|
|
|
1796 etc.
|
|
|
1797
|
|
|
1798 - Any keypress event which contains ModControl in its state should be
|
|
|
1799 interpreted as a "control" character.
|
|
|
1800
|
|
|
1801 - Any keypress event which contains a modifier bit in its state which is
|
|
|
1802 generated by a keycode whose corresponding keysym is Meta_L or Meta_R
|
|
|
1803 should be interpreted as a "meta" character. Likewise for Super, Hyper,
|
|
|
1804 etc.
|
|
|
1805
|
|
|
1806 - It is illegal for a keysym to be associated with more than one modifier
|
|
|
1807 bit.
|
|
|
1808
|
|
|
1809 This means that the only thing that emacs can reasonably interpret as a
|
|
|
1810 "meta" key is a key whose keysym is Meta_L or Meta_R, and which generates
|
|
|
1811 one of the modifier bits Mod1-Mod5.
|
|
|
1812
|
|
|
1813 Unfortunately, many keyboards don't have Meta keys in their default
|
|
|
1814 configuration. So, if there are no Meta keys, but there are "Alt" keys,
|
|
|
1815 emacs will interpret Alt as Meta. If there are both Meta and Alt keys,
|
|
|
1816 then the Meta keys mean "Meta", and the Alt keys mean "Alt" (it used to
|
|
|
1817 mean "Symbol," but that just confused the hell out of way too many people).
|
|
|
1818
|
|
|
1819 This works with the default configurations of the 19 keyboard-types I've
|
|
|
1820 checked.
|
|
|
1821
|
|
|
1822 Emacs detects keyboard configurations which violate the above rules, and
|
|
|
1823 prints an error message on the standard-error-output. (Perhaps it should
|
|
|
1824 use a pop-up-window instead.)
|
|
|
1825 */
|
|
|
1826
|
|
|
1827 static void
|
|
|
1828 gtk_reset_key_mapping (struct device *d)
|
|
|
1829 {
|
|
|
1830 Display *display = GDK_DISPLAY ();
|
|
|
1831 struct gtk_device *xd = DEVICE_GTK_DATA (d);
|
|
|
1832 XModifierKeymap *map = (XModifierKeymap *) xd->x_keysym_map;
|
|
|
1833 KeySym *keysym, *keysym_end;
|
|
|
1834 Lisp_Object hashtable;
|
|
|
1835 int key_code_count, keysyms_per_code;
|
|
|
1836
|
|
|
1837 if (map)
|
|
|
1838 XFree ((char *) map);
|
|
|
1839 XDisplayKeycodes (display,
|
|
|
1840 &xd->x_keysym_map_min_code,
|
|
|
1841 &xd->x_keysym_map_max_code);
|
|
|
1842 key_code_count = xd->x_keysym_map_max_code - xd->x_keysym_map_min_code + 1;
|
|
|
1843 map = (XModifierKeymap *)
|
|
|
1844 XGetKeyboardMapping (display, xd->x_keysym_map_min_code, key_code_count,
|
|
|
1845 &xd->x_keysym_map_keysyms_per_code);
|
|
|
1846
|
|
|
1847 xd->x_keysym_map = (void *)map;
|
|
|
1848 hashtable = xd->x_keysym_map_hashtable;
|
|
|
1849 if (HASH_TABLEP (hashtable))
|
|
|
1850 {
|
|
|
1851 Fclrhash (hashtable);
|
|
|
1852 }
|
|
|
1853 else
|
|
|
1854 {
|
|
|
1855 xd->x_keysym_map_hashtable = hashtable =
|
|
|
1856 make_lisp_hash_table (128, HASH_TABLE_NON_WEAK, HASH_TABLE_EQUAL);
|
|
|
1857 }
|
|
|
1858
|
|
|
1859 for (keysym = (KeySym *) map,
|
|
|
1860 keysyms_per_code = xd->x_keysym_map_keysyms_per_code,
|
|
|
1861 keysym_end = keysym + (key_code_count * keysyms_per_code);
|
|
|
1862 keysym < keysym_end;
|
|
|
1863 keysym += keysyms_per_code)
|
|
|
1864 {
|
|
|
1865 int j;
|
|
|
1866
|
|
|
1867 if (keysym[0] == NoSymbol)
|
|
|
1868 continue;
|
|
|
1869
|
|
|
1870 {
|
|
771
|
1871 Extbyte *name = XKeysymToString (keysym[0]);
|
|
462
|
1872 Lisp_Object sym = gtk_keysym_to_emacs_keysym (keysym[0], 0);
|
|
|
1873 if (name)
|
|
|
1874 {
|
|
771
|
1875 Fputhash (build_ext_string (name, Qnative), Qsans_modifiers,
|
|
|
1876 hashtable);
|
|
462
|
1877 Fputhash (sym, Qsans_modifiers, hashtable);
|
|
|
1878 }
|
|
|
1879 }
|
|
|
1880
|
|
|
1881 for (j = 1; j < keysyms_per_code; j++)
|
|
|
1882 {
|
|
|
1883 if (keysym[j] != keysym[0] &&
|
|
|
1884 keysym[j] != NoSymbol)
|
|
|
1885 {
|
|
771
|
1886 Extbyte *name = XKeysymToString (keysym[j]);
|
|
462
|
1887 Lisp_Object sym = gtk_keysym_to_emacs_keysym (keysym[j], 0);
|
|
|
1888 if (name && NILP (Fgethash (sym, hashtable, Qnil)))
|
|
|
1889 {
|
|
771
|
1890 Fputhash (build_ext_string (name, Qnative), Qt, hashtable);
|
|
462
|
1891 Fputhash (sym, Qt, hashtable);
|
|
|
1892 }
|
|
|
1893 }
|
|
|
1894 }
|
|
|
1895 }
|
|
|
1896 }
|
|
|
1897
|
|
|
1898 static const char *
|
|
|
1899 index_to_name (int indice)
|
|
|
1900 {
|
|
|
1901 switch (indice)
|
|
|
1902 {
|
|
|
1903 case ShiftMapIndex: return "ModShift";
|
|
|
1904 case LockMapIndex: return "ModLock";
|
|
|
1905 case ControlMapIndex: return "ModControl";
|
|
|
1906 case Mod1MapIndex: return "Mod1";
|
|
|
1907 case Mod2MapIndex: return "Mod2";
|
|
|
1908 case Mod3MapIndex: return "Mod3";
|
|
|
1909 case Mod4MapIndex: return "Mod4";
|
|
|
1910 case Mod5MapIndex: return "Mod5";
|
|
|
1911 default: return "???";
|
|
|
1912 }
|
|
|
1913 }
|
|
|
1914
|
|
|
1915 /* Boy, I really wish C had local functions... */
|
|
|
1916 struct c_doesnt_have_closures /* #### not yet used */
|
|
|
1917 {
|
|
|
1918 int warned_about_overlapping_modifiers;
|
|
|
1919 int warned_about_predefined_modifiers;
|
|
|
1920 int warned_about_duplicate_modifiers;
|
|
|
1921 int meta_bit;
|
|
|
1922 int hyper_bit;
|
|
|
1923 int super_bit;
|
|
|
1924 int alt_bit;
|
|
|
1925 int mode_bit;
|
|
|
1926 };
|
|
|
1927
|
|
|
1928 static void
|
|
|
1929 gtk_reset_modifier_mapping (struct device *d)
|
|
|
1930 {
|
|
|
1931 Display *display = GDK_DISPLAY ();
|
|
|
1932 struct gtk_device *xd = DEVICE_GTK_DATA (d);
|
|
|
1933 int modifier_index, modifier_key, column, mkpm;
|
|
|
1934 int warned_about_overlapping_modifiers = 0;
|
|
|
1935 /* int warned_about_predefined_modifiers = 0; */
|
|
|
1936 /* int warned_about_duplicate_modifiers = 0; */
|
|
|
1937 int meta_bit = 0;
|
|
|
1938 int hyper_bit = 0;
|
|
|
1939 int super_bit = 0;
|
|
|
1940 int alt_bit = 0;
|
|
|
1941 int mode_bit = 0;
|
|
|
1942 XModifierKeymap *map = (XModifierKeymap *) xd->x_modifier_keymap;
|
|
|
1943
|
|
|
1944 xd->lock_interpretation = 0;
|
|
|
1945
|
|
|
1946 if (map)
|
|
|
1947 XFreeModifiermap (map);
|
|
|
1948
|
|
|
1949 gtk_reset_key_mapping (d);
|
|
|
1950
|
|
|
1951 xd->x_modifier_keymap = map = XGetModifierMapping (display);
|
|
|
1952
|
|
|
1953 /* Boy, I really wish C had local functions...
|
|
|
1954 */
|
|
|
1955
|
|
|
1956 /* The call to warn_when_safe must be on the same line as the string or
|
|
|
1957 make-msgfile won't pick it up properly (the newline doesn't confuse
|
|
|
1958 it, but the backslash does). */
|
|
|
1959
|
|
|
1960 #define store_modifier(name,old) \
|
|
|
1961 old = modifier_index;
|
|
|
1962
|
|
|
1963 mkpm = map->max_keypermod;
|
|
|
1964 for (modifier_index = 0; modifier_index < 8; modifier_index++)
|
|
|
1965 for (modifier_key = 0; modifier_key < mkpm; modifier_key++) {
|
|
|
1966 KeySym last_sym = 0;
|
|
|
1967 for (column = 0; column < 4; column += 2) {
|
|
|
1968 KeyCode code = map->modifiermap[modifier_index * mkpm
|
|
|
1969 + modifier_key];
|
|
|
1970 KeySym sym = (code ? XKeycodeToKeysym (display, code, column) : 0);
|
|
|
1971 if (sym == last_sym) continue;
|
|
|
1972 last_sym = sym;
|
|
|
1973 switch (sym) {
|
|
|
1974 case XK_Mode_switch:store_modifier ("Mode_switch", mode_bit); break;
|
|
|
1975 case XK_Meta_L: store_modifier ("Meta_L", meta_bit); break;
|
|
|
1976 case XK_Meta_R: store_modifier ("Meta_R", meta_bit); break;
|
|
|
1977 case XK_Super_L: store_modifier ("Super_L", super_bit); break;
|
|
|
1978 case XK_Super_R: store_modifier ("Super_R", super_bit); break;
|
|
|
1979 case XK_Hyper_L: store_modifier ("Hyper_L", hyper_bit); break;
|
|
|
1980 case XK_Hyper_R: store_modifier ("Hyper_R", hyper_bit); break;
|
|
|
1981 case XK_Alt_L: store_modifier ("Alt_L", alt_bit); break;
|
|
|
1982 case XK_Alt_R: store_modifier ("Alt_R", alt_bit); break;
|
|
|
1983 #if 0
|
|
|
1984 case XK_Control_L: check_modifier ("Control_L", ControlMask); break;
|
|
|
1985 case XK_Control_R: check_modifier ("Control_R", ControlMask); break;
|
|
|
1986 case XK_Shift_L: check_modifier ("Shift_L", ShiftMask); break;
|
|
|
1987 case XK_Shift_R: check_modifier ("Shift_R", ShiftMask); break;
|
|
|
1988 #endif
|
|
|
1989 case XK_Shift_Lock: /* check_modifier ("Shift_Lock", LockMask); */
|
|
|
1990 xd->lock_interpretation = XK_Shift_Lock; break;
|
|
|
1991 case XK_Caps_Lock: /* check_modifier ("Caps_Lock", LockMask); */
|
|
|
1992 xd->lock_interpretation = XK_Caps_Lock; break;
|
|
|
1993
|
|
|
1994 /* It probably doesn't make any sense for a modifier bit to be
|
|
|
1995 assigned to a key that is not one of the above, but OpenWindows
|
|
|
1996 assigns modifier bits to a couple of random function keys for
|
|
|
1997 no reason that I can discern, so printing a warning here would
|
|
|
1998 be annoying. */
|
|
|
1999 }
|
|
|
2000 }
|
|
|
2001 }
|
|
|
2002 #undef store_modifier
|
|
|
2003 #undef check_modifier
|
|
|
2004 #undef modwarn
|
|
|
2005 #undef modbarf
|
|
|
2006
|
|
|
2007 /* If there was no Meta key, then try using the Alt key instead.
|
|
|
2008 If there is both a Meta key and an Alt key, then the Alt key
|
|
|
2009 is not disturbed and remains an Alt key. */
|
|
|
2010 if (! meta_bit && alt_bit)
|
|
|
2011 meta_bit = alt_bit, alt_bit = 0;
|
|
|
2012
|
|
|
2013 /* mode_bit overrides everything, since it's processed down inside of
|
|
|
2014 XLookupString() instead of by us. If Meta and Mode_switch both
|
|
|
2015 generate the same modifier bit (which is an error), then we don't
|
|
|
2016 interpret that bit as Meta, because we can't make XLookupString()
|
|
|
2017 not interpret it as Mode_switch; and interpreting it as both would
|
|
|
2018 be totally wrong. */
|
|
|
2019 if (mode_bit)
|
|
|
2020 {
|
|
|
2021 const char *warn = 0;
|
|
|
2022 if (mode_bit == meta_bit) warn = "Meta", meta_bit = 0;
|
|
|
2023 else if (mode_bit == hyper_bit) warn = "Hyper", hyper_bit = 0;
|
|
|
2024 else if (mode_bit == super_bit) warn = "Super", super_bit = 0;
|
|
|
2025 else if (mode_bit == alt_bit) warn = "Alt", alt_bit = 0;
|
|
|
2026 if (warn)
|
|
|
2027 {
|
|
|
2028 warn_when_safe
|
|
|
2029 (Qkey_mapping, Qwarning,
|
|
|
2030 "XEmacs: %s is being used for both Mode_switch and %s.",
|
|
|
2031 index_to_name (mode_bit), warn),
|
|
|
2032 warned_about_overlapping_modifiers = 1;
|
|
|
2033 }
|
|
|
2034 }
|
|
|
2035 #undef index_to_name
|
|
|
2036
|
|
|
2037 xd->MetaMask = (meta_bit ? (1 << meta_bit) : 0);
|
|
|
2038 xd->HyperMask = (hyper_bit ? (1 << hyper_bit) : 0);
|
|
|
2039 xd->SuperMask = (super_bit ? (1 << super_bit) : 0);
|
|
|
2040 xd->AltMask = (alt_bit ? (1 << alt_bit) : 0);
|
|
|
2041 xd->ModeMask = (mode_bit ? (1 << mode_bit) : 0); /* unused */
|
|
|
2042
|
|
|
2043 }
|
|
|
2044
|
|
|
2045 void
|
|
|
2046 gtk_init_modifier_mapping (struct device *d)
|
|
|
2047 {
|
|
|
2048 struct gtk_device *gd = DEVICE_GTK_DATA (d);
|
|
|
2049 gd->x_keysym_map_hashtable = Qnil;
|
|
|
2050 gd->x_keysym_map = NULL;
|
|
|
2051 gd->x_modifier_keymap = NULL;
|
|
|
2052 gtk_reset_modifier_mapping (d);
|
|
|
2053 }
|
|
|
2054
|
|
|
2055 #if 0
|
|
|
2056 static int
|
|
|
2057 gtk_key_is_modifier_p (KeyCode keycode, struct device *d)
|
|
|
2058 {
|
|
|
2059 struct gtk_device *xd = DEVICE_GTK_DATA (d);
|
|
|
2060 KeySym *syms;
|
|
|
2061 KeySym *map = (KeySym *) xd->x_keysym_map;
|
|
|
2062 int i;
|
|
|
2063
|
|
|
2064 if (keycode < xd->x_keysym_map_min_code ||
|
|
|
2065 keycode > xd->x_keysym_map_max_code)
|
|
|
2066 return 0;
|
|
|
2067
|
|
|
2068 syms = &map [(keycode - xd->x_keysym_map_min_code) *
|
|
|
2069 xd->x_keysym_map_keysyms_per_code];
|
|
|
2070 for (i = 0; i < xd->x_keysym_map_keysyms_per_code; i++)
|
|
|
2071 if (IsModifierKey (syms [i]) ||
|
|
|
2072 syms [i] == XK_Mode_switch) /* why doesn't IsModifierKey count this? */
|
|
|
2073 return 1;
|
|
|
2074 return 0;
|
|
|
2075 }
|
|
|
2076 #endif
|
|
|
2077
|
|
|
2078 struct _quit_predicate_closure {
|
|
|
2079 struct device *device;
|
|
|
2080 Bool *critical;
|
|
|
2081 };
|
|
|
2082
|
|
|
2083 static Bool
|
|
|
2084 quit_char_predicate (Display *display, XEvent *event, XPointer data)
|
|
|
2085 {
|
|
|
2086 struct _quit_predicate_closure *cl = (struct _quit_predicate_closure *) data;
|
|
|
2087 struct device *d = cl->device;
|
|
|
2088 struct frame *f = NULL;
|
|
|
2089 struct gtk_device *gd = DEVICE_GTK_DATA (d);
|
|
|
2090 char c, quit_char;
|
|
|
2091 Bool *critical = cl->critical;
|
|
|
2092 Lisp_Object keysym;
|
|
|
2093 GdkWindow *window = gdk_window_lookup (event->xany.window);
|
|
|
2094 guint32 keycode = 0;
|
|
|
2095 GdkEventKey gdk_event;
|
|
|
2096
|
|
|
2097 if (window)
|
|
|
2098 f = gtk_any_window_to_frame (d, window);
|
|
|
2099
|
|
|
2100 if (critical)
|
|
|
2101 *critical = False;
|
|
|
2102
|
|
|
2103 if ((event->type != KeyPress) ||
|
|
|
2104 (! window) ||
|
|
|
2105 (! f) ||
|
|
|
2106 (event->xkey.state
|
|
|
2107 & (gd->MetaMask | gd->HyperMask | gd->SuperMask | gd->AltMask)))
|
|
|
2108 {
|
|
|
2109 return 0;
|
|
|
2110 }
|
|
|
2111
|
|
|
2112 {
|
|
|
2113 char dummy[256];
|
|
|
2114 XLookupString (&(event->xkey), dummy, 200, (KeySym *)&keycode, 0);
|
|
|
2115 }
|
|
|
2116
|
|
|
2117 memset (&gdk_event, 0, sizeof (gdk_event));
|
|
|
2118 gdk_event.type = GDK_KEY_PRESS;
|
|
|
2119 gdk_event.window = window;
|
|
|
2120 gdk_event.keyval = keycode;
|
|
|
2121 gdk_event.state = event->xkey.state;
|
|
|
2122
|
|
|
2123 /* This duplicates some code that exists elsewhere, but it's relatively
|
|
|
2124 fast and doesn't cons. */
|
|
|
2125 keysym = gtk_to_emacs_keysym (d, &gdk_event, 1);
|
|
|
2126 if (NILP (keysym)) return 0;
|
|
|
2127 if (CHAR_OR_CHAR_INTP (keysym))
|
|
|
2128 c = XCHAR_OR_CHAR_INT (keysym);
|
|
|
2129 /* Highly doubtful that these are the quit character, but... */
|
|
|
2130 else if (EQ (keysym, QKbackspace)) c = '\b';
|
|
|
2131 else if (EQ (keysym, QKtab)) c = '\t';
|
|
|
2132 else if (EQ (keysym, QKlinefeed)) c = '\n';
|
|
|
2133 else if (EQ (keysym, QKreturn)) c = '\r';
|
|
|
2134 else if (EQ (keysym, QKescape)) c = 27;
|
|
|
2135 else if (EQ (keysym, QKspace)) c = ' ';
|
|
|
2136 else if (EQ (keysym, QKdelete)) c = 127;
|
|
|
2137 else return 0;
|
|
|
2138
|
|
|
2139 if (event->xkey.state & gd->MetaMask) c |= 0x80;
|
|
|
2140 if ((event->xkey.state & ControlMask) && !(c >= 'A' && c <= 'Z'))
|
|
|
2141 c &= 0x1F; /* unshifted control characters */
|
|
|
2142 quit_char = CONSOLE_QUIT_CHAR (XCONSOLE (DEVICE_CONSOLE (d)));
|
|
|
2143
|
|
|
2144 if (c == quit_char)
|
|
|
2145 return True;
|
|
|
2146 /* If we've got Control-Shift-G instead of Control-G, that means
|
|
|
2147 we have a critical_quit. Caps_Lock is its own modifier, so it
|
|
|
2148 won't cause ^G to act differently than before. */
|
|
|
2149 if (event->xkey.state & ControlMask) c &= 0x1F;
|
|
|
2150 if (c == quit_char)
|
|
|
2151 {
|
|
|
2152 if (critical) *critical = True;
|
|
|
2153 return True;
|
|
|
2154 }
|
|
|
2155 return False;
|
|
|
2156 }
|
|
|
2157
|
|
|
2158 static void
|
|
|
2159 gtk_check_for_quit_char (struct device *d)
|
|
|
2160 {
|
|
|
2161 XEvent event;
|
|
|
2162 int queued;
|
|
|
2163 Bool critical_quit = False;
|
|
|
2164 struct _quit_predicate_closure closure;
|
|
|
2165
|
|
|
2166 XEventsQueued (GDK_DISPLAY (), QueuedAfterReading);
|
|
|
2167
|
|
|
2168 closure.device = d;
|
|
|
2169 closure.critical = &critical_quit;
|
|
|
2170
|
|
|
2171 queued = XCheckIfEvent (GDK_DISPLAY (), &event, quit_char_predicate, (char *) &closure);
|
|
|
2172
|
|
|
2173 if (queued)
|
|
|
2174 {
|
|
|
2175 Vquit_flag = (critical_quit ? Qcritical : Qt);
|
|
|
2176 }
|
|
|
2177 }
|
