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0
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1 /* Device functions for X windows.
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2 Copyright (C) 1994, 1995 Board of Trustees, University of Illinois.
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3 Copyright (C) 1994, 1995 Free Software Foundation, Inc.
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4
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5 This file is part of XEmacs.
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6
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7 XEmacs is free software; you can redistribute it and/or modify it
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8 under the terms of the GNU General Public License as published by the
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9 Free Software Foundation; either version 2, or (at your option) any
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10 later version.
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11
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12 XEmacs is distributed in the hope that it will be useful, but WITHOUT
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13 ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
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14 FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License
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15 for more details.
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16
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17 You should have received a copy of the GNU General Public License
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18 along with XEmacs; see the file COPYING. If not, write to
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19 the Free Software Foundation, Inc., 59 Temple Place - Suite 330,
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20 Boston, MA 02111-1307, USA. */
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21
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22 /* Synched up with: Not in FSF. */
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23
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24 /* Original authors: Jamie Zawinski and the FSF */
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25 /* Rewritten by Ben Wing and Chuck Thompson. */
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26
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27 #include <config.h>
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28 #include "lisp.h"
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29
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30 #include "console-x.h"
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31 #include "xintrinsicp.h" /* CoreP.h needs this */
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32 #include <X11/CoreP.h> /* Numerous places access the fields of
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33 a core widget directly. We could
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165
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34 use XtGetValues(), but ... */
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0
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35 #include "xgccache.h"
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36 #include <X11/Shell.h>
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37 #include "xmu.h"
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38 #include "glyphs-x.h"
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39 #include "objects-x.h"
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40
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41 #include "buffer.h"
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42 #include "events.h"
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43 #include "faces.h"
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44 #include "frame.h"
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45 #include "redisplay.h"
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46 #include "sysdep.h"
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47 #include "window.h"
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48
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49 #include "sysfile.h"
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50 #include "systime.h"
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51
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197
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52 #ifdef HAVE_OFFIX_DND
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53 #include "offix.h"
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54 #endif
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55
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0
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56 Lisp_Object Vdefault_x_device;
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57
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58 /* Qdisplay in general.c */
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183
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59 Lisp_Object Qx_error;
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0
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60 Lisp_Object Qinit_pre_x_win, Qinit_post_x_win;
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61
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167
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62 /* $B@ZJ"(B, n. Japanese ritual suicide. */
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63 int x_seppuku_on_epipe;
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64
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0
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65 /* The application class of Emacs. */
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66 Lisp_Object Vx_emacs_application_class;
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67
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68 Lisp_Object Vx_initial_argv_list; /* #### ugh! */
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69
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70 static XrmOptionDescRec emacs_options[] =
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71 {
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183
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72 {"-geometry", ".geometry", XrmoptionSepArg, NULL},
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185
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73 {"-iconic", ".iconic", XrmoptionNoArg, "yes"},
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2
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74
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187
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75 {"-internal-border-width", "*EmacsFrame.internalBorderWidth", XrmoptionSepArg, NULL},
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76 {"-ib", "*EmacsFrame.internalBorderWidth", XrmoptionSepArg, NULL},
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77 {"-scrollbar-width", "*EmacsFrame.scrollBarWidth", XrmoptionSepArg, NULL},
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78 {"-scrollbar-height", "*EmacsFrame.scrollBarHeight", XrmoptionSepArg, NULL},
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0
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79
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80 /* #### Beware! If the type of the shell changes, update this. */
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187
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81 {"-T", "*TopLevelEmacsShell.title", XrmoptionSepArg, NULL},
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82 {"-wn", "*TopLevelEmacsShell.title", XrmoptionSepArg, NULL},
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83 {"-title", "*TopLevelEmacsShell.title", XrmoptionSepArg, NULL},
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183
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84
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85 {"-iconname", "*TopLevelEmacsShell.iconName", XrmoptionSepArg, NULL},
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187
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86 {"-in", "*TopLevelEmacsShell.iconName", XrmoptionSepArg, NULL},
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87 {"-mc", "*pointerColor", XrmoptionSepArg, NULL},
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88 {"-cr", "*cursorColor", XrmoptionSepArg, NULL},
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89 {"-fontset", "*FontSet", XrmoptionSepArg, NULL},
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0
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90 };
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91
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92 static void validify_resource_string (char *str);
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93
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94 /* Functions to synchronize mirroring resources and specifiers */
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95 int in_resource_setting;
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96 int in_specifier_change_function;
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97
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98
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99 /************************************************************************/
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100 /* helper functions */
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101 /************************************************************************/
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102
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114
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103 static struct device *
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104 get_device_from_display_1 (Display *dpy)
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0
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105 {
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106 Lisp_Object devcons, concons;
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107
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108 DEVICE_LOOP_NO_BREAK (devcons, concons)
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109 {
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110 struct device *d = XDEVICE (XCAR (devcons));
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111 if (DEVICE_X_P (d) && DEVICE_X_DISPLAY (d) == dpy)
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112 return d;
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113 }
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114
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114
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115 return 0;
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116 }
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117
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118 struct device *
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119 get_device_from_display (Display *dpy)
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120 {
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121 struct device *d = get_device_from_display_1 (dpy);
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0
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122
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114
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123 if (!d) {
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124 /* This isn't one of our displays. Let's crash? */
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125 stderr_out
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126 ("\n%s: Fatal X Condition. Asked about display we don't own: \"%s\"\n",
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127 (STRINGP (Vinvocation_name) ?
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128 (char *) XSTRING_DATA (Vinvocation_name) : "xemacs"),
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129 DisplayString (dpy) ? DisplayString (dpy) : "???");
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130 abort();
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131 }
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132
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133 return d;
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0
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134 }
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135
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136 struct device *
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137 decode_x_device (Lisp_Object device)
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138 {
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139 XSETDEVICE (device, decode_device (device));
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140 CHECK_X_DEVICE (device);
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141 return XDEVICE (device);
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142 }
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143
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144 Display *
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145 get_x_display (Lisp_Object device)
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146 {
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147 return DEVICE_X_DISPLAY (decode_x_device (device));
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148 }
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149
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150
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151 /************************************************************************/
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152 /* initializing an X connection */
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153 /************************************************************************/
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154
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155 static void
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156 allocate_x_device_struct (struct device *d)
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157 {
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185
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158 d->device_data = xnew_and_zero (struct x_device);
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0
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159 }
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160
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161 static void
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162 Xatoms_of_device_x (struct device *d)
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163 {
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149
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164 Display *D = DEVICE_X_DISPLAY (d);
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0
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165
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149
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166 DEVICE_XATOM_WM_PROTOCOLS (d) = XInternAtom (D, "WM_PROTOCOLS", False);
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167 DEVICE_XATOM_WM_DELETE_WINDOW(d) = XInternAtom (D, "WM_DELETE_WINDOW",False);
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168 DEVICE_XATOM_WM_SAVE_YOURSELF(d) = XInternAtom (D, "WM_SAVE_YOURSELF",False);
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169 DEVICE_XATOM_WM_TAKE_FOCUS (d) = XInternAtom (D, "WM_TAKE_FOCUS", False);
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170 DEVICE_XATOM_WM_STATE (d) = XInternAtom (D, "WM_STATE", False);
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0
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171 }
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172
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173 static void
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174 sanity_check_geometry_resource (Display *dpy)
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175 {
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176 char *app_name, *app_class, *s;
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177 char buf1 [255], buf2 [255];
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178 char *type;
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179 XrmValue value;
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180 XtGetApplicationNameAndClass (dpy, &app_name, &app_class);
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181 strcpy (buf1, app_name);
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182 strcpy (buf2, app_class);
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183 for (s = buf1; *s; s++) if (*s == '.') *s = '_';
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184 strcat (buf1, "._no_._such_._resource_.geometry");
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185 strcat (buf2, "._no_._such_._resource_.Geometry");
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186 if (XrmGetResource (XtDatabase (dpy), buf1, buf2, &type, &value) == True)
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187 {
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188 warn_when_safe (Qgeometry, Qerror,
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189 "\n"
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190 "Apparently \"%s*geometry: %s\" or \"%s*geometry: %s\" was\n"
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191 "specified in the resource database. Specifying \"*geometry\" will make\n"
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192 "XEmacs (and most other X programs) malfunction in obscure ways. (i.e.\n"
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193 "the Xt or Xm libraries will probably crash, which is a very bad thing.)\n"
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194 "You should always use \".geometry\" or \"*EmacsFrame.geometry\" instead.\n",
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195 app_name, (char *) value.addr,
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196 app_class, (char *) value.addr);
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197 suppress_early_backtrace = 1;
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198 error ("Invalid geometry resource");
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199 }
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200 }
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201
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202 static void
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203 x_init_device_class (struct device *d)
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204 {
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205 Display *dpy = DEVICE_X_DISPLAY (d);
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206 if (DisplayCells (dpy, DefaultScreen (dpy)) > 2)
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207 {
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208 switch (DefaultVisualOfScreen (DefaultScreenOfDisplay (dpy))->class)
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209 {
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210 case StaticGray:
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211 case GrayScale:
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212 DEVICE_CLASS (d) = Qgrayscale;
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213 break;
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214 default:
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215 DEVICE_CLASS (d) = Qcolor;
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216 }
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217 }
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218 else
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219 DEVICE_CLASS (d) = Qmono;
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220 }
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221
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222 static void
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223 x_init_device (struct device *d, Lisp_Object props)
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224 {
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225 Lisp_Object display;
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226 Lisp_Object device;
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227 Display *dpy;
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228 int argc;
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229 char **argv;
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230 CONST char *app_class;
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231 CONST char *disp_name;
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232
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233 XSETDEVICE (device, d);
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234 display = DEVICE_CONNECTION (d);
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235
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236 allocate_x_device_struct (d);
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237
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238 make_argc_argv (Vx_initial_argv_list, &argc, &argv);
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239
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240 if (STRINGP (Vx_emacs_application_class) &&
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14
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241 XSTRING_LENGTH (Vx_emacs_application_class) > 0)
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0
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242 GET_C_STRING_CTEXT_DATA_ALLOCA (Vx_emacs_application_class, app_class);
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243 else
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244 app_class = "Emacs";
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245
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246 GET_C_STRING_CTEXT_DATA_ALLOCA (display, disp_name);
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247
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248 slow_down_interrupts ();
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249 /* The Xt code can't deal with signals here. Yuck. */
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250 dpy = DEVICE_X_DISPLAY (d) =
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251 XtOpenDisplay (Xt_app_con, disp_name, NULL, app_class, emacs_options,
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252 XtNumber (emacs_options), &argc, argv);
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253 speed_up_interrupts ();
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254
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255 if (dpy == 0)
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256 {
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257 suppress_early_backtrace = 1;
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258 signal_simple_error ("X server not responding\n", display);
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259 }
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260
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74
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261 if (NILP (Vdefault_x_device))
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262 Vdefault_x_device = device;
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263
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70
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264 #ifdef MULE
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209
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265 #if defined(LWLIB_MENUBARS_MOTIF) || defined(HAVE_XIM) || defined (USE_XFONTSET)
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70
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266 {
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267 /* Read in locale-specific resources from
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268 data-directory/app-defaults/$LANG/emacs-application-class.
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269 This is in addition to the standard app-defaults files, and
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270 does not override resources defined elsewhere */
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271 CONST char *data_dir;
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272 char path[MAXPATHLEN];
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273 XrmDatabase db = XtDatabase (dpy); /* ### XtScreenDatabase(dpy) ? */
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274 CONST char *locale = XrmLocaleOfDatabase (db);
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183
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275
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70
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276 if (STRINGP (Vdata_directory) && XSTRING_LENGTH (Vdata_directory) > 0)
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169
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277 {
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278 GET_C_STRING_FILENAME_DATA_ALLOCA (Vdata_directory, data_dir);
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279 sprintf (path, "%sapp-defaults/%s/%s", data_dir, locale, app_class);
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280 if (!access (path, R_OK))
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281 XrmCombineFileDatabase (path, &db, False);
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282 }
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70
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283 }
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209
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284 #endif /* LWLIB_MENUBARS_MOTIF or HAVE_XIM USE_XFONTSET */
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149
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285 #endif /* MULE */
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6
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286
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0
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287 if (NILP (DEVICE_NAME (d)))
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288 DEVICE_NAME (d) = display;
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289
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290 /* We're going to modify the string in-place, so be a nice XEmacs */
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291 DEVICE_NAME (d) = Fcopy_sequence (DEVICE_NAME (d));
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292 /* colons and periods can't appear in individual elements of resource
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293 strings */
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14
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294 validify_resource_string ((char *) XSTRING_DATA (DEVICE_NAME (d)));
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0
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295 DEVICE_XT_APP_SHELL (d) = XtAppCreateShell (NULL, app_class,
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296 applicationShellWidgetClass,
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297 dpy, NULL, 0);
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298
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70
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299 #ifdef HAVE_XIM
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300 XIM_init_device(d);
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301 #endif /* HAVE_XIM */
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0
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302
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179
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303 #ifdef HAVE_SESSION
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177
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304 {
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185
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305 Arg al[3];
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306 Widget shell = DEVICE_XT_APP_SHELL (d);
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177
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307
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185
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308 XtSetArg (al [0], XtNmappedWhenManaged, False);
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187
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309 XtSetArg (al [1], XtNwidth, 1);
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310 XtSetArg (al [2], XtNheight, 1);
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185
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311 XtSetValues (shell, al, 3);
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312 XtRealizeWidget (shell);
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177
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313
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185
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314 {
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315 int new_argc;
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316 char **new_argv;
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317 make_argc_argv (Vcommand_line_args, &new_argc, &new_argv);
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318 XSetCommand (XtDisplay (shell), XtWindow (shell), new_argv, new_argc);
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319 free_argc_argv (new_argv);
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320 }
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197
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321
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177
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322 }
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179
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323 #endif /* HAVE_SESSION */
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177
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324
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197
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325 #ifdef HAVE_OFFIX_DND
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326 DndInitialize ( DEVICE_XT_APP_SHELL (d) );
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327 #endif
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328
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0
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329 Vx_initial_argv_list = make_arg_list (argc, argv);
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330 free_argc_argv (argv);
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331
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332 DEVICE_X_WM_COMMAND_FRAME (d) = Qnil;
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333
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334 sanity_check_geometry_resource (dpy);
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335
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336 /* In event-Xt.c */
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337 x_init_modifier_mapping (d);
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338
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339 DEVICE_INFD (d) = DEVICE_OUTFD (d) = ConnectionNumber (dpy);
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340 init_baud_rate (d);
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341 init_one_device (d);
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342
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343 DEVICE_X_GC_CACHE (d) =
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344 make_gc_cache (dpy, RootWindow (dpy, DefaultScreen (dpy)));
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345 DEVICE_X_GRAY_PIXMAP (d) = None;
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346 Xatoms_of_device_x (d);
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347 Xatoms_of_xselect (d);
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348 Xatoms_of_objects_x (d);
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349 x_init_device_class (d);
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350
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2
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351 /* Run the elisp side of the X device initialization. */
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0
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352 call0 (Qinit_pre_x_win);
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|
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353 }
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354
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355 static void
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356 x_finish_init_device (struct device *d, Lisp_Object props)
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357 {
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358 call0 (Qinit_post_x_win);
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359 }
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360
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361 static void
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362 x_mark_device (struct device *d, void (*markobj) (Lisp_Object))
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363 {
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187
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364 ((markobj) (DEVICE_X_WM_COMMAND_FRAME (d)));
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365 ((markobj) (DEVICE_X_DATA (d)->x_keysym_map_hashtable));
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0
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366 }
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367
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368
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|
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369 /************************************************************************/
|
|
|
370 /* closing an X connection */
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|
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371 /************************************************************************/
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372
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|
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373 static void
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374 free_x_device_struct (struct device *d)
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|
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375 {
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376 xfree (d->device_data);
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377 }
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378
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379 static void
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380 x_delete_device (struct device *d)
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|
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381 {
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382 Lisp_Object device;
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|
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383 Display *display;
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|
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384 #ifdef FREE_CHECKING
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|
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385 extern void (*__free_hook)();
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|
|
386 int checking_free;
|
|
|
387 #endif
|
|
|
388
|
|
|
389 XSETDEVICE (device, d);
|
|
|
390 display = DEVICE_X_DISPLAY (d);
|
|
|
391
|
|
|
392 if (display)
|
|
|
393 {
|
|
|
394 #ifdef FREE_CHECKING
|
|
|
395 checking_free = (__free_hook != 0);
|
|
183
|
396
|
|
0
|
397 /* Disable strict free checking, to avoid bug in X library */
|
|
|
398 if (checking_free)
|
|
|
399 disable_strict_free_check ();
|
|
|
400 #endif
|
|
|
401
|
|
|
402 free_gc_cache (DEVICE_X_GC_CACHE (d));
|
|
|
403 if (DEVICE_X_DATA (d)->x_modifier_keymap)
|
|
|
404 XFreeModifiermap (DEVICE_X_DATA (d)->x_modifier_keymap);
|
|
|
405 if (DEVICE_X_DATA (d)->x_keysym_map)
|
|
|
406 XFree ((char *) DEVICE_X_DATA (d)->x_keysym_map);
|
|
|
407
|
|
|
408 XtCloseDisplay (display);
|
|
|
409 DEVICE_X_DISPLAY (d) = 0;
|
|
|
410 #ifdef FREE_CHECKING
|
|
|
411 if (checking_free)
|
|
|
412 enable_strict_free_check ();
|
|
|
413 #endif
|
|
|
414 }
|
|
183
|
415
|
|
0
|
416 if (EQ (device, Vdefault_x_device))
|
|
|
417 {
|
|
|
418 Lisp_Object devcons, concons;
|
|
|
419 /* #### handle deleting last X device */
|
|
|
420 Vdefault_x_device = Qnil;
|
|
|
421 DEVICE_LOOP_NO_BREAK (devcons, concons)
|
|
|
422 {
|
|
157
|
423 if (DEVICE_X_P (XDEVICE (XCAR (devcons))) &&
|
|
|
424 !EQ (device, XCAR (devcons)))
|
|
0
|
425 {
|
|
|
426 Vdefault_x_device = XCAR (devcons);
|
|
|
427 goto double_break;
|
|
|
428 }
|
|
|
429 }
|
|
|
430 }
|
|
|
431 double_break:
|
|
|
432 free_x_device_struct (d);
|
|
|
433 }
|
|
|
434
|
|
|
435
|
|
|
436 /************************************************************************/
|
|
|
437 /* handle X errors */
|
|
|
438 /************************************************************************/
|
|
|
439
|
|
|
440 static CONST char *events[] =
|
|
|
441 {
|
|
|
442 "0: ERROR!",
|
|
|
443 "1: REPLY",
|
|
|
444 "KeyPress",
|
|
|
445 "KeyRelease",
|
|
|
446 "ButtonPress",
|
|
|
447 "ButtonRelease",
|
|
|
448 "MotionNotify",
|
|
|
449 "EnterNotify",
|
|
|
450 "LeaveNotify",
|
|
|
451 "FocusIn",
|
|
|
452 "FocusOut",
|
|
|
453 "KeymapNotify",
|
|
|
454 "Expose",
|
|
|
455 "GraphicsExpose",
|
|
|
456 "NoExpose",
|
|
|
457 "VisibilityNotify",
|
|
|
458 "CreateNotify",
|
|
|
459 "DestroyNotify",
|
|
|
460 "UnmapNotify",
|
|
|
461 "MapNotify",
|
|
|
462 "MapRequest",
|
|
|
463 "ReparentNotify",
|
|
|
464 "ConfigureNotify",
|
|
|
465 "ConfigureRequest",
|
|
|
466 "GravityNotify",
|
|
|
467 "ResizeRequest",
|
|
|
468 "CirculateNotify",
|
|
|
469 "CirculateRequest",
|
|
|
470 "PropertyNotify",
|
|
|
471 "SelectionClear",
|
|
|
472 "SelectionRequest",
|
|
|
473 "SelectionNotify",
|
|
|
474 "ColormapNotify",
|
|
|
475 "ClientMessage",
|
|
|
476 "MappingNotify",
|
|
|
477 "LASTEvent"
|
|
|
478 };
|
|
|
479
|
|
|
480 CONST char *
|
|
|
481 x_event_name (int event_type)
|
|
|
482 {
|
|
|
483 if (event_type < 0) return 0;
|
|
|
484 if (event_type >= (sizeof (events) / sizeof (char *))) return 0;
|
|
|
485 return events [event_type];
|
|
|
486 }
|
|
|
487
|
|
|
488 /* Handling errors.
|
|
|
489
|
|
|
490 If an X error occurs which we are not expecting, we have no alternative
|
|
|
491 but to print it to stderr. It would be nice to stuff it into a pop-up
|
|
|
492 buffer, or to print it in the minibuffer, but that's not possible, because
|
|
|
493 one is not allowed to do any I/O on the display connection from an error
|
|
|
494 handler. The guts of Xlib expect these functions to either return or exit.
|
|
|
495
|
|
|
496 However, there are occasions when we might expect an error to reasonably
|
|
|
497 occur. The interface to this is as follows:
|
|
|
498
|
|
|
499 Before calling some X routine which may error, call
|
|
|
500 expect_x_error (dpy);
|
|
|
501
|
|
|
502 Just after calling the X routine, call either:
|
|
|
503
|
|
|
504 x_error_occurred_p (dpy);
|
|
|
505
|
|
|
506 to ask whether an error happened (and was ignored), or:
|
|
|
507
|
|
|
508 signal_if_x_error (dpy, resumable_p);
|
|
|
509
|
|
|
510 which will call Fsignal() with args appropriate to the X error, if there
|
|
|
511 was one. (Resumable_p is whether the debugger should be allowed to
|
|
|
512 continue from the call to signal.)
|
|
|
513
|
|
|
514 You must call one of these two routines immediately after calling the X
|
|
|
515 routine; think of them as bookends like BLOCK_INPUT and UNBLOCK_INPUT.
|
|
|
516 */
|
|
|
517
|
|
|
518 static int error_expected;
|
|
|
519 static int error_occurred;
|
|
|
520 static XErrorEvent last_error;
|
|
|
521
|
|
|
522 /* OVERKILL! */
|
|
|
523
|
|
|
524 #ifdef EXTERNAL_WIDGET
|
|
|
525 static Lisp_Object
|
|
|
526 x_error_handler_do_enqueue (Lisp_Object frame)
|
|
|
527 {
|
|
|
528 enqueue_magic_eval_event (io_error_delete_frame, frame);
|
|
|
529 return Qt;
|
|
|
530 }
|
|
|
531
|
|
|
532 static Lisp_Object
|
|
|
533 x_error_handler_error (Lisp_Object data, Lisp_Object dummy)
|
|
|
534 {
|
|
|
535 return Qnil;
|
|
|
536 }
|
|
|
537 #endif /* EXTERNAL_WIDGET */
|
|
|
538
|
|
|
539 int
|
|
|
540 x_error_handler (Display *disp, XErrorEvent *event)
|
|
|
541 {
|
|
|
542 if (error_expected)
|
|
|
543 {
|
|
|
544 error_expected = 0;
|
|
|
545 error_occurred = 1;
|
|
|
546 last_error = *event;
|
|
|
547 }
|
|
|
548 else
|
|
|
549 {
|
|
|
550 #ifdef EXTERNAL_WIDGET
|
|
|
551 struct frame *f;
|
|
|
552 struct device *d = get_device_from_display (disp);
|
|
|
553
|
|
|
554 if ((event->error_code == BadWindow ||
|
|
|
555 event->error_code == BadDrawable)
|
|
|
556 && ((f = x_any_window_to_frame (d, event->resourceid)) != 0))
|
|
|
557 {
|
|
|
558 Lisp_Object frame;
|
|
|
559
|
|
|
560 /* one of the windows comprising one of our frames has died.
|
|
|
561 This occurs particularly with ExternalShell frames when the
|
|
|
562 client that owns the ExternalShell's window dies.
|
|
|
563
|
|
|
564 We cannot do any I/O on the display connection so we need
|
|
|
565 to enqueue an eval event so that the deletion happens
|
|
|
566 later.
|
|
|
567
|
|
|
568 Furthermore, we need to trap any errors (out-of-memory) that
|
|
|
569 may occur when Fenqueue_eval_event is called.
|
|
|
570 */
|
|
|
571
|
|
|
572 if (f->being_deleted)
|
|
|
573 return 0;
|
|
|
574 XSETFRAME (frame, f);
|
|
|
575 if (!NILP (condition_case_1 (Qerror, x_error_handler_do_enqueue,
|
|
|
576 frame, x_error_handler_error, Qnil)))
|
|
|
577 {
|
|
|
578 f->being_deleted = 1;
|
|
|
579 f->visible = 0;
|
|
|
580 }
|
|
|
581 return 0;
|
|
|
582 }
|
|
|
583 #endif /* EXTERNAL_WIDGET */
|
|
|
584
|
|
|
585 stderr_out ("\n%s: ",
|
|
|
586 (STRINGP (Vinvocation_name)
|
|
14
|
587 ? (char *) XSTRING_DATA (Vinvocation_name)
|
|
0
|
588 : "xemacs"));
|
|
|
589 XmuPrintDefaultErrorMessage (disp, event, stderr);
|
|
|
590 }
|
|
|
591 return 0;
|
|
|
592 }
|
|
|
593
|
|
|
594 void
|
|
|
595 expect_x_error (Display *dpy)
|
|
|
596 {
|
|
|
597 assert (!error_expected);
|
|
|
598 XSync (dpy, 0); /* handle pending errors before setting flag */
|
|
|
599 error_expected = 1;
|
|
|
600 error_occurred = 0;
|
|
|
601 }
|
|
|
602
|
|
|
603 int
|
|
|
604 x_error_occurred_p (Display *dpy)
|
|
|
605 {
|
|
|
606 int val;
|
|
|
607 XSync (dpy, 0); /* handle pending errors before setting flag */
|
|
|
608 val = error_occurred;
|
|
|
609 error_expected = 0;
|
|
|
610 error_occurred = 0;
|
|
|
611 return val;
|
|
|
612 }
|
|
|
613
|
|
|
614 int
|
|
|
615 signal_if_x_error (Display *dpy, int resumable_p)
|
|
|
616 {
|
|
|
617 char buf[1024];
|
|
|
618 Lisp_Object data;
|
|
|
619 if (! x_error_occurred_p (dpy))
|
|
|
620 return 0;
|
|
|
621 data = Qnil;
|
|
|
622 sprintf (buf, "0x%X", (unsigned int) last_error.resourceid);
|
|
|
623 data = Fcons (build_string (buf), data);
|
|
|
624 {
|
|
|
625 char num [32];
|
|
|
626 sprintf (num, "%d", last_error.request_code);
|
|
|
627 XGetErrorDatabaseText (last_error.display, "XRequest", num, "",
|
|
|
628 buf, sizeof (buf));
|
|
|
629 if (! *buf)
|
|
|
630 sprintf (buf, "Request-%d", last_error.request_code);
|
|
|
631 data = Fcons (build_string (buf), data);
|
|
|
632 }
|
|
|
633 XGetErrorText (last_error.display, last_error.error_code, buf, sizeof (buf));
|
|
|
634 data = Fcons (build_string (buf), data);
|
|
|
635 again:
|
|
|
636 Fsignal (Qx_error, data);
|
|
|
637 if (! resumable_p) goto again;
|
|
|
638 return 1;
|
|
|
639 }
|
|
|
640
|
|
|
641 int
|
|
|
642 x_IO_error_handler (Display *disp)
|
|
|
643 {
|
|
|
644 /* This function can GC */
|
|
|
645 Lisp_Object dev;
|
|
114
|
646 struct device *d = get_device_from_display_1 (disp);
|
|
|
647
|
|
|
648 if (d)
|
|
|
649 XSETDEVICE (dev, d);
|
|
|
650 else
|
|
|
651 dev = Qnil;
|
|
0
|
652
|
|
|
653 if (NILP (find_nonminibuffer_frame_not_on_device (dev)))
|
|
|
654 {
|
|
|
655 /* We're going down. */
|
|
|
656 stderr_out
|
|
|
657 ("\n%s: Fatal I/O Error %d (%s) on display connection \"%s\"\n",
|
|
|
658 (STRINGP (Vinvocation_name) ?
|
|
14
|
659 (char *) XSTRING_DATA (Vinvocation_name) : "xemacs"),
|
|
0
|
660 errno, strerror (errno), DisplayString (disp));
|
|
|
661 stderr_out
|
|
|
662 (" after %lu requests (%lu known processed) with %d events remaining.\n",
|
|
|
663 NextRequest (disp) - 1, LastKnownRequestProcessed (disp),
|
|
|
664 QLength (disp));
|
|
|
665 /* assert (!_Xdebug); */
|
|
|
666 }
|
|
|
667 else
|
|
|
668 {
|
|
|
669 warn_when_safe
|
|
|
670 (Qx, Qcritical,
|
|
|
671 "I/O Error %d (%s) on display connection \"%s\"\n"
|
|
|
672 " after %lu requests (%lu known processed) with "
|
|
|
673 "%d events remaining.\n",
|
|
|
674 errno, strerror (errno), DisplayString (disp),
|
|
|
675 NextRequest (disp) - 1, LastKnownRequestProcessed (disp),
|
|
|
676 QLength (disp));
|
|
|
677 }
|
|
|
678
|
|
114
|
679 if (d)
|
|
|
680 enqueue_magic_eval_event (io_error_delete_device, dev);
|
|
0
|
681
|
|
167
|
682 /* CvE, July 16, 1996, XEmacs 19.14 */
|
|
|
683 /* Test for broken pipe error, which indicates X-server has gone down */
|
|
|
684 if (errno == EPIPE && x_seppuku_on_epipe)
|
|
|
685 {
|
|
|
686 /* Most probably X-server has gone down: Avoid infinite loop by just */
|
|
|
687 /* exiting */
|
|
|
688 /* slb: This sounds really, really dangerous to do by default, so */
|
|
|
689 /* I'm adding a guard to avoid doing this as default behavior */
|
|
|
690 stderr_out( "\n\nXEmacs exiting on broken pipe (errno %d, %s)\n",
|
|
|
691 errno, strerror(errno));
|
|
|
692 exit(errno);
|
|
|
693 }
|
|
|
694
|
|
0
|
695 return 0;
|
|
|
696 }
|
|
|
697
|
|
20
|
698 DEFUN ("x-debug-mode", Fx_debug_mode, 1, 2, 0, /*
|
|
0
|
699 With a true arg, make the connection to the X server synchronous.
|
|
|
700 With false, make it asynchronous. Synchronous connections are much slower,
|
|
|
701 but are useful for debugging. (If you get X errors, make the connection
|
|
|
702 synchronous, and use a debugger to set a breakpoint on `x_error_handler'.
|
|
|
703 Your backtrace of the C stack will now be useful. In asynchronous mode,
|
|
|
704 the stack above `x_error_handler' isn't helpful because of buffering.)
|
|
|
705 If DEVICE is not specified, the selected device is assumed.
|
|
|
706
|
|
|
707 Calling this function is the same as calling the C function `XSynchronize',
|
|
|
708 or starting the program with the `-sync' command line argument.
|
|
20
|
709 */
|
|
|
710 (arg, device))
|
|
0
|
711 {
|
|
|
712 struct device *d = decode_x_device (device);
|
|
|
713
|
|
|
714 XSynchronize (DEVICE_X_DISPLAY (d), !NILP (arg));
|
|
|
715
|
|
|
716 if (!NILP (arg))
|
|
|
717 message ("X connection is synchronous");
|
|
|
718 else
|
|
|
719 message ("X connection is asynchronous");
|
|
|
720
|
|
|
721 return arg;
|
|
|
722 }
|
|
|
723
|
|
|
724
|
|
|
725 /************************************************************************/
|
|
|
726 /* X resources */
|
|
|
727 /************************************************************************/
|
|
|
728
|
|
|
729 #if 0 /* bah humbug. The whole "widget == resource" stuff is such
|
|
|
730 a crock of shit that I'm just going to ignore it all. */
|
|
|
731
|
|
|
732 /* If widget is NULL, we are retrieving device or global face data. */
|
|
|
733
|
|
|
734 static void
|
|
|
735 construct_name_list (Display *display, Widget widget, char *fake_name,
|
|
|
736 char *fake_class, char *name, char *class)
|
|
|
737 {
|
|
|
738 char *stack [100][2];
|
|
|
739 Widget this;
|
|
|
740 int count = 0;
|
|
|
741 char *name_tail, *class_tail;
|
|
|
742
|
|
|
743 if (widget)
|
|
|
744 {
|
|
|
745 for (this = widget; this; this = XtParent (this))
|
|
|
746 {
|
|
|
747 stack [count][0] = this->core.name;
|
|
|
748 stack [count][1] = XtClass (this)->core_class.class_name;
|
|
|
749 count++;
|
|
|
750 }
|
|
|
751 count--;
|
|
|
752 }
|
|
|
753 else if (fake_name && fake_class)
|
|
|
754 {
|
|
|
755 stack [count][0] = fake_name;
|
|
|
756 stack [count][1] = fake_class;
|
|
|
757 count++;
|
|
|
758 }
|
|
|
759
|
|
|
760 /* The root widget is an application shell; resource lookups use the
|
|
|
761 specified application name and application class in preference to
|
|
|
762 the name/class of that widget (which is argv[0] / "ApplicationShell").
|
|
|
763 Generally the app name and class will be argv[0] / "Emacs" but
|
|
|
764 the former can be set via the -name command-line option, and the
|
|
|
765 latter can be set by changing `x-emacs-application-class' in
|
|
|
766 lisp/term/x-win.el.
|
|
|
767 */
|
|
|
768 XtGetApplicationNameAndClass (display,
|
|
|
769 &stack [count][0],
|
|
|
770 &stack [count][1]);
|
|
|
771
|
|
|
772 name [0] = 0;
|
|
|
773 class [0] = 0;
|
|
|
774
|
|
|
775 name_tail = name;
|
|
|
776 class_tail = class;
|
|
|
777 for (; count >= 0; count--)
|
|
|
778 {
|
|
|
779 strcat (name_tail, stack [count][0]);
|
|
|
780 for (; *name_tail; name_tail++)
|
|
|
781 if (*name_tail == '.') *name_tail = '_';
|
|
|
782 strcat (name_tail, ".");
|
|
|
783 name_tail++;
|
|
|
784
|
|
|
785 strcat (class_tail, stack [count][1]);
|
|
|
786 for (; *class_tail; class_tail++)
|
|
|
787 if (*class_tail == '.') *class_tail = '_';
|
|
|
788 strcat (class_tail, ".");
|
|
|
789 class_tail++;
|
|
|
790 }
|
|
|
791 }
|
|
|
792
|
|
183
|
793 #endif /* 0 */
|
|
0
|
794
|
|
|
795 /* Only the characters [-_A-Za-z0-9] are allowed in the individual
|
|
|
796 sections of a resource. Convert invalid characters to -. */
|
|
|
797
|
|
|
798 static void
|
|
|
799 validify_resource_string (char *str)
|
|
|
800 {
|
|
|
801 while (*str)
|
|
|
802 {
|
|
|
803 if (!strchr ("ABCDEFGHIJKLMNOPQRSTUVWXYZ"
|
|
|
804 "abcdefghijklmnopqrstuvwxyz"
|
|
|
805 "0123456789-_", *str))
|
|
|
806 *str = '-';
|
|
|
807 str++;
|
|
|
808 }
|
|
|
809 }
|
|
|
810
|
|
|
811 /* Given a locale and device specification from x-get-resource or
|
|
|
812 x-get-resource-prefix, return the resource prefix and display to
|
|
|
813 fetch the resource on. */
|
|
|
814
|
|
|
815 static void
|
|
|
816 x_get_resource_prefix (Lisp_Object locale, Lisp_Object device,
|
|
|
817 Display **display_out, char *name_out,
|
|
|
818 char *class_out)
|
|
|
819 {
|
|
|
820 char *appname, *appclass;
|
|
|
821
|
|
|
822 if (NILP (locale))
|
|
|
823 locale = Qglobal;
|
|
|
824 if (NILP (Fvalid_specifier_locale_p (locale)))
|
|
|
825 signal_simple_error ("Invalid locale", locale);
|
|
|
826 if (WINDOWP (locale))
|
|
|
827 /* #### I can't come up with any coherent way of naming windows.
|
|
|
828 By relative position? That seems tricky because windows
|
|
|
829 can change position, be split, etc. By order of creation?
|
|
|
830 That seems less than useful. */
|
|
|
831 signal_simple_error ("Windows currently can't be resourced", locale);
|
|
|
832
|
|
|
833 if (!NILP (device) && !DEVICEP (device))
|
|
|
834 CHECK_DEVICE (device);
|
|
|
835 if (DEVICEP (device) && !DEVICE_X_P (XDEVICE (device)))
|
|
|
836 device = Qnil;
|
|
|
837 if (NILP (device))
|
|
|
838 {
|
|
|
839 device = DFW_DEVICE (locale);
|
|
|
840 if (DEVICEP (device) && !DEVICE_X_P (XDEVICE (device)))
|
|
|
841 device = Qnil;
|
|
|
842 if (NILP (device))
|
|
|
843 device = Vdefault_x_device;
|
|
|
844 if (NILP (device))
|
|
|
845 {
|
|
|
846 *display_out = 0;
|
|
|
847 return;
|
|
|
848 }
|
|
|
849 }
|
|
|
850
|
|
|
851 *display_out = DEVICE_X_DISPLAY (XDEVICE (device));
|
|
|
852
|
|
|
853 XtGetApplicationNameAndClass (*display_out, &appname, &appclass);
|
|
|
854 strcpy (name_out, appname);
|
|
|
855 strcpy (class_out, appclass);
|
|
|
856 validify_resource_string (name_out);
|
|
|
857 validify_resource_string (class_out);
|
|
|
858
|
|
|
859 if (EQ (locale, Qglobal))
|
|
|
860 return;
|
|
|
861 if (BUFFERP (locale))
|
|
|
862 {
|
|
|
863 strcat (name_out, ".buffer.");
|
|
|
864 /* we know buffer is live; otherwise we got an error above. */
|
|
14
|
865 strcat (name_out, (CONST char *) XSTRING_DATA (Fbuffer_name (locale)));
|
|
0
|
866 strcat (class_out, ".EmacsLocaleType.EmacsBuffer");
|
|
|
867 }
|
|
|
868 else if (FRAMEP (locale))
|
|
|
869 {
|
|
|
870 strcat (name_out, ".frame.");
|
|
|
871 /* we know frame is live; otherwise we got an error above. */
|
|
14
|
872 strcat (name_out, (CONST char *) XSTRING_DATA (Fframe_name (locale)));
|
|
0
|
873 strcat (class_out, ".EmacsLocaleType.EmacsFrame");
|
|
|
874 }
|
|
|
875 else
|
|
|
876 {
|
|
|
877 assert (DEVICEP (locale));
|
|
|
878 strcat (name_out, ".device.");
|
|
|
879 /* we know device is live; otherwise we got an error above. */
|
|
14
|
880 strcat (name_out, (CONST char *) XSTRING_DATA (Fdevice_name (locale)));
|
|
0
|
881 strcat (class_out, ".EmacsLocaleType.EmacsDevice");
|
|
|
882 }
|
|
|
883 return;
|
|
|
884 }
|
|
|
885
|
|
20
|
886 DEFUN ("x-get-resource", Fx_get_resource, 3, 6, 0, /*
|
|
0
|
887 Retrieve an X resource from the resource manager.
|
|
|
888
|
|
183
|
889 The first arg is the name of the resource to retrieve, such as "font".
|
|
|
890 The second arg is the class of the resource to retrieve, like "Font".
|
|
0
|
891 The third arg should be one of the symbols 'string, 'integer, 'natnum, or
|
|
|
892 'boolean, specifying the type of object that the database is searched for.
|
|
|
893 The fourth arg is the locale to search for the resources on, and can
|
|
|
894 currently be a a buffer, a frame, a device, or 'global. If omitted, it
|
|
|
895 defaults to 'global.
|
|
|
896 The fifth arg is the device to search for the resources on. (The resource
|
|
|
897 database for a particular device is constructed by combining non-device-
|
|
183
|
898 specific resources such as any command-line resources specified and any
|
|
0
|
899 app-defaults files found [or the fallback resources supplied by XEmacs,
|
|
|
900 if no app-defaults file is found] with device-specific resources such as
|
|
|
901 those supplied using xrdb.) If omitted, it defaults to the device of
|
|
|
902 LOCALE, if a device can be derived (i.e. if LOCALE is a frame or device),
|
|
|
903 and otherwise defaults to the value of `default-x-device'.
|
|
|
904 The sixth arg NOERROR, if non-nil, means do not signal an error if a
|
|
|
905 bogus resource specification was retrieved (e.g. if a non-integer was
|
|
|
906 given when an integer was requested). In this case, a warning is issued
|
|
|
907 instead.
|
|
|
908
|
|
|
909 The resource names passed to this function are looked up relative to the
|
|
|
910 locale.
|
|
|
911
|
|
|
912 If you want to search for a subresource, you just need to specify the
|
|
|
913 resource levels in NAME and CLASS. For example, NAME could be
|
|
183
|
914 "modeline.attributeFont", and CLASS "Face.AttributeFont".
|
|
0
|
915
|
|
|
916 Specifically,
|
|
|
917
|
|
|
918 1) If LOCALE is a buffer, a call
|
|
|
919
|
|
183
|
920 (x-get-resource "foreground" "Foreground" 'string SOME-BUFFER)
|
|
0
|
921
|
|
|
922 is an interface to a C call something like
|
|
|
923
|
|
183
|
924 XrmGetResource (db, "xemacs.buffer.BUFFER-NAME.foreground",
|
|
|
925 "Emacs.EmacsLocaleType.EmacsBuffer.Foreground",
|
|
|
926 "String");
|
|
0
|
927
|
|
|
928 2) If LOCALE is a frame, a call
|
|
|
929
|
|
183
|
930 (x-get-resource "foreground" "Foreground" 'string SOME-FRAME)
|
|
0
|
931
|
|
|
932 is an interface to a C call something like
|
|
|
933
|
|
183
|
934 XrmGetResource (db, "xemacs.frame.FRAME-NAME.foreground",
|
|
|
935 "Emacs.EmacsLocaleType.EmacsFrame.Foreground",
|
|
|
936 "String");
|
|
0
|
937
|
|
|
938 3) If LOCALE is a device, a call
|
|
|
939
|
|
183
|
940 (x-get-resource "foreground" "Foreground" 'string SOME-DEVICE)
|
|
0
|
941
|
|
|
942 is an interface to a C call something like
|
|
|
943
|
|
183
|
944 XrmGetResource (db, "xemacs.device.DEVICE-NAME.foreground",
|
|
|
945 "Emacs.EmacsLocaleType.EmacsDevice.Foreground",
|
|
|
946 "String");
|
|
0
|
947
|
|
|
948 4) If LOCALE is 'global, a call
|
|
|
949
|
|
183
|
950 (x-get-resource "foreground" "Foreground" 'string 'global)
|
|
0
|
951
|
|
|
952 is an interface to a C call something like
|
|
|
953
|
|
183
|
954 XrmGetResource (db, "xemacs.foreground",
|
|
|
955 "Emacs.Foreground",
|
|
|
956 "String");
|
|
0
|
957
|
|
|
958 Note that for 'global, no prefix is added other than that of the
|
|
|
959 application itself; thus, you can use this locale to retrieve
|
|
|
960 arbitrary application resources, if you really want to.
|
|
|
961
|
|
|
962 The returned value of this function is nil if the queried resource is not
|
|
|
963 found. If the third arg is `string', a string is returned, and if it is
|
|
|
964 `integer', an integer is returned. If the third arg is `boolean', then the
|
|
|
965 returned value is the list (t) for true, (nil) for false, and is nil to
|
|
|
966 mean ``unspecified.''
|
|
20
|
967 */
|
|
|
968 (name, class, type, locale, device, no_error))
|
|
0
|
969 {
|
|
|
970 /* #### fixed limit, could be overflowed */
|
|
|
971 char name_string[2048], class_string[2048];
|
|
|
972 char *raw_result;
|
|
|
973 XrmDatabase db;
|
|
|
974 Display *display;
|
|
|
975 Error_behavior errb = decode_error_behavior_flag (no_error);
|
|
|
976
|
|
|
977 CHECK_STRING (name);
|
|
|
978 CHECK_STRING (class);
|
|
|
979 CHECK_SYMBOL (type);
|
|
|
980
|
|
183
|
981 if (!EQ (type, Qstring) &&
|
|
|
982 !EQ (type, Qboolean) &&
|
|
|
983 !EQ (type, Qinteger) &&
|
|
|
984 !EQ (type, Qnatnum))
|
|
0
|
985 return maybe_signal_continuable_error
|
|
|
986 (Qwrong_type_argument,
|
|
|
987 list2 (build_translated_string
|
|
|
988 ("should be string, integer, natnum or boolean"),
|
|
|
989 type),
|
|
|
990 Qresource, errb);
|
|
|
991
|
|
|
992 x_get_resource_prefix (locale, device, &display, name_string,
|
|
|
993 class_string);
|
|
|
994 if (!display)
|
|
|
995 return Qnil;
|
|
|
996
|
|
|
997 db = XtDatabase (display);
|
|
|
998
|
|
|
999 strcat (name_string, ".");
|
|
14
|
1000 strcat (name_string, (CONST char *) XSTRING_DATA (name));
|
|
0
|
1001 strcat (class_string, ".");
|
|
14
|
1002 strcat (class_string, (CONST char *) XSTRING_DATA (class));
|
|
0
|
1003
|
|
|
1004 {
|
|
|
1005 XrmValue xrm_value;
|
|
|
1006 XrmName namelist[100];
|
|
|
1007 XrmClass classlist[100];
|
|
|
1008 XrmName *namerest = namelist;
|
|
|
1009 XrmClass *classrest = classlist;
|
|
|
1010 XrmRepresentation xrm_type;
|
|
|
1011 XrmRepresentation string_quark;
|
|
|
1012 int result;
|
|
|
1013 XrmStringToNameList (name_string, namelist);
|
|
|
1014 XrmStringToClassList (class_string, classlist);
|
|
|
1015 string_quark = XrmStringToQuark ("String");
|
|
|
1016
|
|
|
1017 /* ensure that they have the same length */
|
|
|
1018 while (namerest[0] && classrest[0])
|
|
|
1019 namerest++, classrest++;
|
|
|
1020 if (namerest[0] || classrest[0])
|
|
|
1021 signal_simple_error_2
|
|
|
1022 ("class list and name list must be the same length", name, class);
|
|
|
1023 result = XrmQGetResource (db, namelist, classlist, &xrm_type, &xrm_value);
|
|
|
1024
|
|
|
1025 if (result != True || xrm_type != string_quark)
|
|
|
1026 return Qnil;
|
|
|
1027 raw_result = (char *) xrm_value.addr;
|
|
|
1028 }
|
|
|
1029
|
|
|
1030 if (EQ (type, Qstring))
|
|
|
1031 return build_string (raw_result);
|
|
|
1032 else if (EQ (type, Qboolean))
|
|
|
1033 {
|
|
183
|
1034 if (!strcasecmp (raw_result, "off") ||
|
|
0
|
1035 !strcasecmp (raw_result, "false") ||
|
|
183
|
1036 !strcasecmp (raw_result, "no"))
|
|
0
|
1037 return Fcons (Qnil, Qnil);
|
|
183
|
1038 else if (!strcasecmp (raw_result, "on") ||
|
|
0
|
1039 !strcasecmp (raw_result, "true") ||
|
|
|
1040 !strcasecmp (raw_result, "yes"))
|
|
|
1041 return Fcons (Qt, Qnil);
|
|
|
1042 else
|
|
|
1043 return maybe_continuable_error (Qresource, errb,
|
|
|
1044 "can't convert %s: %s to a Boolean",
|
|
|
1045 name_string, raw_result);
|
|
|
1046 }
|
|
|
1047 else if (EQ (type, Qinteger) || EQ (type, Qnatnum))
|
|
|
1048 {
|
|
|
1049 int i;
|
|
|
1050 char c;
|
|
|
1051 if (1 != sscanf (raw_result, "%d%c", &i, &c))
|
|
|
1052 return maybe_continuable_error
|
|
|
1053 (Qresource, errb,
|
|
|
1054 "can't convert %s: %s to an integer",
|
|
|
1055 name_string, raw_result);
|
|
|
1056 else if (EQ (type, Qnatnum) && i < 0)
|
|
|
1057 return maybe_continuable_error
|
|
|
1058 (Qresource, errb,
|
|
|
1059 "invalid numerical value %d for resource %s",
|
|
|
1060 i, name_string);
|
|
|
1061 else
|
|
|
1062 return make_int (i);
|
|
|
1063 }
|
|
|
1064 else
|
|
|
1065 abort ();
|
|
|
1066
|
|
|
1067 /* Can't get here. */
|
|
|
1068 return Qnil; /* shut up compiler */
|
|
|
1069 }
|
|
|
1070
|
|
20
|
1071 DEFUN ("x-get-resource-prefix", Fx_get_resource_prefix, 1, 2, 0, /*
|
|
0
|
1072 Return the resource prefix for LOCALE on DEVICE.
|
|
|
1073 The resource prefix is the strings used to prefix resources if
|
|
|
1074 the LOCALE and DEVICE arguments were passed to `x-get-resource'.
|
|
|
1075 The returned value is a cons of a name prefix and a class prefix.
|
|
|
1076 For example, if LOCALE is a frame, the returned value might be
|
|
183
|
1077 \("xemacs.frame.FRAME-NAME" . "Emacs.EmacsLocaleType.EmacsFrame").
|
|
0
|
1078 If no valid X device for resourcing can be obtained, this function
|
|
|
1079 returns nil. (In such a case, `x-get-resource' would always return nil.)
|
|
20
|
1080 */
|
|
|
1081 (locale, device))
|
|
0
|
1082 {
|
|
|
1083 /* #### fixed limit, could be overflowed */
|
|
|
1084 char name[1024], class[1024];
|
|
|
1085 Display *display;
|
|
|
1086
|
|
|
1087 x_get_resource_prefix (locale, device, &display, name, class);
|
|
|
1088 if (!display)
|
|
|
1089 return Qnil;
|
|
|
1090 return Fcons (build_string (name), build_string (class));
|
|
|
1091 }
|
|
|
1092
|
|
20
|
1093 DEFUN ("x-put-resource", Fx_put_resource, 1, 2, 0, /*
|
|
0
|
1094 Add a resource to the resource database for DEVICE.
|
|
|
1095 RESOURCE-LINE specifies the resource to add and should be a
|
|
|
1096 standard resource specification.
|
|
20
|
1097 */
|
|
|
1098 (resource_line, device))
|
|
0
|
1099 {
|
|
|
1100 struct device *d = decode_device (device);
|
|
|
1101 char *str, *colon_pos;
|
|
|
1102
|
|
|
1103 CHECK_STRING (resource_line);
|
|
14
|
1104 str = (char *) XSTRING_DATA (resource_line);
|
|
0
|
1105 if (!(colon_pos = strchr (str, ':')) || strchr (str, '\n'))
|
|
|
1106 invalid:
|
|
|
1107 signal_simple_error ("Invalid resource line", resource_line);
|
|
|
1108 if (strspn (str,
|
|
|
1109 /* Only the following chars are allowed before the colon */
|
|
|
1110 " \t.*?abcdefghijklmnopqrstuvwxyz"
|
|
|
1111 "ABCDEFGHIJKLMNOPQRSTUVWXYZ0123456789_-") != colon_pos - str)
|
|
|
1112 goto invalid;
|
|
|
1113
|
|
|
1114 if (DEVICE_X_P (d))
|
|
|
1115 {
|
|
|
1116 XrmDatabase db = XtDatabase (DEVICE_X_DISPLAY (d));
|
|
|
1117 XrmPutLineResource (&db, str);
|
|
|
1118 }
|
|
|
1119
|
|
|
1120 return Qnil;
|
|
|
1121 }
|
|
|
1122
|
|
|
1123
|
|
|
1124 /************************************************************************/
|
|
|
1125 /* display information functions */
|
|
|
1126 /************************************************************************/
|
|
|
1127
|
|
20
|
1128 DEFUN ("default-x-device", Fdefault_x_device, 0, 0, 0, /*
|
|
0
|
1129 Return the default X device for resourcing.
|
|
|
1130 This is the first-created X device that still exists.
|
|
20
|
1131 */
|
|
|
1132 ())
|
|
0
|
1133 {
|
|
|
1134 return Vdefault_x_device;
|
|
|
1135 }
|
|
|
1136
|
|
20
|
1137 DEFUN ("x-display-visual-class", Fx_display_visual_class, 0, 1, 0, /*
|
|
0
|
1138 Return the visual class of the X display `device' is on.
|
|
|
1139 The returned value will be one of the symbols `static-gray', `gray-scale',
|
|
|
1140 `static-color', `pseudo-color', `true-color', or `direct-color'.
|
|
20
|
1141 */
|
|
|
1142 (device))
|
|
0
|
1143 {
|
|
|
1144 switch (DefaultVisualOfScreen
|
|
|
1145 (DefaultScreenOfDisplay (get_x_display (device)))->class)
|
|
|
1146 {
|
|
193
|
1147 case StaticGray: return intern ("static-gray");
|
|
|
1148 case GrayScale: return intern ("gray-scale");
|
|
|
1149 case StaticColor: return intern ("static-color");
|
|
|
1150 case PseudoColor: return intern ("pseudo-color");
|
|
|
1151 case TrueColor: return intern ("true-color");
|
|
|
1152 case DirectColor: return intern ("direct-color");
|
|
0
|
1153 default:
|
|
|
1154 error ("display has an unknown visual class");
|
|
|
1155 }
|
|
|
1156
|
|
|
1157 return Qnil; /* suppress compiler warning */
|
|
|
1158 }
|
|
|
1159
|
|
|
1160 static int
|
|
|
1161 x_device_pixel_width (struct device *d)
|
|
|
1162 {
|
|
|
1163 Display *dpy = DEVICE_X_DISPLAY (d);
|
|
|
1164
|
|
|
1165 return DisplayWidth (dpy, DefaultScreen (dpy));
|
|
|
1166 }
|
|
|
1167
|
|
|
1168 static int
|
|
|
1169 x_device_pixel_height (struct device *d)
|
|
|
1170 {
|
|
|
1171 Display *dpy = DEVICE_X_DISPLAY (d);
|
|
|
1172
|
|
|
1173 return DisplayHeight (dpy, DefaultScreen (dpy));
|
|
|
1174 }
|
|
|
1175
|
|
|
1176 static int
|
|
|
1177 x_device_mm_width (struct device *d)
|
|
|
1178 {
|
|
|
1179 Display *dpy = DEVICE_X_DISPLAY (d);
|
|
|
1180
|
|
|
1181 return DisplayWidthMM (dpy, DefaultScreen (dpy));
|
|
|
1182 }
|
|
|
1183
|
|
|
1184 static int
|
|
|
1185 x_device_mm_height (struct device *d)
|
|
|
1186 {
|
|
|
1187 Display *dpy = DEVICE_X_DISPLAY (d);
|
|
|
1188
|
|
|
1189 return DisplayHeightMM (dpy, DefaultScreen (dpy));
|
|
|
1190 }
|
|
|
1191
|
|
|
1192 static int
|
|
|
1193 x_device_bitplanes (struct device *d)
|
|
|
1194 {
|
|
|
1195 Display *dpy = DEVICE_X_DISPLAY (d);
|
|
|
1196
|
|
|
1197 return DisplayPlanes (dpy, DefaultScreen (dpy));
|
|
|
1198 }
|
|
|
1199
|
|
|
1200 static int
|
|
|
1201 x_device_color_cells (struct device *d)
|
|
|
1202 {
|
|
|
1203 Display *dpy = DEVICE_X_DISPLAY (d);
|
|
|
1204
|
|
|
1205 return DisplayCells (dpy, DefaultScreen (dpy));
|
|
|
1206 }
|
|
|
1207
|
|
20
|
1208 DEFUN ("x-server-vendor", Fx_server_vendor, 0, 1, 0, /*
|
|
0
|
1209 Return the vendor ID string of the X server `device' on.
|
|
20
|
1210 */
|
|
|
1211 (device))
|
|
0
|
1212 {
|
|
|
1213 Display *dpy = get_x_display (device);
|
|
|
1214 char *vendor = ServerVendor (dpy);
|
|
|
1215
|
|
183
|
1216 return build_string (vendor ? vendor : "");
|
|
0
|
1217 }
|
|
|
1218
|
|
20
|
1219 DEFUN ("x-server-version", Fx_server_version, 0, 1, 0, /*
|
|
0
|
1220 Return the version numbers of the X server `device' is on.
|
|
|
1221 The returned value is a list of three integers: the major and minor
|
|
|
1222 version numbers of the X Protocol in use, and the vendor-specific release
|
|
|
1223 number. See also `x-server-vendor'.
|
|
20
|
1224 */
|
|
|
1225 (device))
|
|
0
|
1226 {
|
|
|
1227 Display *dpy = get_x_display (device);
|
|
|
1228
|
|
187
|
1229 return list3 (make_int (ProtocolVersion (dpy)),
|
|
0
|
1230 make_int (ProtocolRevision (dpy)),
|
|
187
|
1231 make_int (VendorRelease (dpy)));
|
|
0
|
1232 }
|
|
|
1233
|
|
20
|
1234 DEFUN ("x-valid-keysym-name-p", Fx_valid_keysym_name_p, 1, 1, 0, /*
|
|
0
|
1235 Return true if KEYSYM names a keysym that the X library knows about.
|
|
|
1236 Valid keysyms are listed in the files /usr/include/X11/keysymdef.h and in
|
|
|
1237 /usr/lib/X11/XKeysymDB, or whatever the equivalents are on your system.
|
|
20
|
1238 */
|
|
|
1239 (keysym))
|
|
0
|
1240 {
|
|
|
1241 CONST char *keysym_ext;
|
|
183
|
1242
|
|
0
|
1243 CHECK_STRING (keysym);
|
|
|
1244 GET_C_STRING_CTEXT_DATA_ALLOCA (keysym, keysym_ext);
|
|
183
|
1245
|
|
|
1246 return XStringToKeysym (keysym_ext) ? Qt : Qnil;
|
|
0
|
1247 }
|
|
|
1248
|
|
187
|
1249 DEFUN ("x-keysym-hashtable", Fx_keysym_hashtable, 0, 1, 0, /*
|
|
|
1250 Return a hashtable which contains a hash key for all keysyms which
|
|
|
1251 name keys on the keyboard. See `x-keysym-on-keyboard-p'.
|
|
|
1252 */
|
|
|
1253 (device))
|
|
|
1254 {
|
|
|
1255 struct device *d = decode_device (device);
|
|
|
1256 if (!DEVICE_X_P (d))
|
|
|
1257 signal_simple_error ("Not an X device", device);
|
|
|
1258
|
|
|
1259 return DEVICE_X_DATA (d)->x_keysym_map_hashtable;
|
|
|
1260 }
|
|
|
1261
|
|
|
1262 DEFUN ("x-keysym-on-keyboard-sans-modifiers-p",
|
|
|
1263 Fx_keysym_on_keyboard_sans_modifiers_p, 1, 2, 0, /*
|
|
0
|
1264 Return true if KEYSYM names a key on the keyboard of DEVICE.
|
|
|
1265 More precisely, return true if pressing a physical key
|
|
|
1266 on the keyboard of DEVICE without any modifier keys generates KEYSYM.
|
|
|
1267 Valid keysyms are listed in the files /usr/include/X11/keysymdef.h and in
|
|
|
1268 /usr/lib/X11/XKeysymDB, or whatever the equivalents are on your system.
|
|
20
|
1269 */
|
|
|
1270 (keysym, device))
|
|
0
|
1271 {
|
|
187
|
1272 struct device *d = decode_device (device);
|
|
|
1273 if (!DEVICE_X_P (d))
|
|
|
1274 signal_simple_error ("Not an X device", device);
|
|
|
1275 CHECK_STRING (keysym);
|
|
|
1276
|
|
|
1277 return (EQ (Qsans_modifiers,
|
|
|
1278 Fgethash (keysym, DEVICE_X_KEYSYM_MAP_HASHTABLE (d), Qnil)) ?
|
|
|
1279 Qt : Qnil);
|
|
|
1280 }
|
|
|
1281
|
|
|
1282
|
|
|
1283 DEFUN ("x-keysym-on-keyboard-p", Fx_keysym_on_keyboard_p, 1, 2, 0, /*
|
|
|
1284 Return true if KEYSYM names a key on the keyboard of DEVICE.
|
|
|
1285 More precisely, return true if some keystroke (possibly including modifiers)
|
|
|
1286 on the keyboard of DEVICE keys generates KEYSYM.
|
|
|
1287 Valid keysyms are listed in the files /usr/include/X11/keysymdef.h and in
|
|
|
1288 /usr/lib/X11/XKeysymDB, or whatever the equivalents are on your system.
|
|
|
1289 */
|
|
|
1290 (keysym, device))
|
|
|
1291 {
|
|
|
1292 struct device *d = decode_device (device);
|
|
183
|
1293
|
|
0
|
1294 if (!DEVICE_X_P (d))
|
|
|
1295 signal_simple_error ("Not an X device", device);
|
|
|
1296 CHECK_STRING (keysym);
|
|
183
|
1297
|
|
187
|
1298 return (NILP (Fgethash (keysym, DEVICE_X_KEYSYM_MAP_HASHTABLE (d), Qnil)) ?
|
|
|
1299 Qnil : Qt);
|
|
0
|
1300 }
|
|
|
1301
|
|
|
1302
|
|
|
1303 /************************************************************************/
|
|
|
1304 /* grabs and ungrabs */
|
|
|
1305 /************************************************************************/
|
|
|
1306
|
|
20
|
1307 DEFUN ("x-grab-pointer", Fx_grab_pointer, 0, 3, 0, /*
|
|
0
|
1308 Grab the pointer and restrict it to its current window.
|
|
|
1309 If optional DEVICE argument is nil, the default device will be used.
|
|
|
1310 If optional CURSOR argument is non-nil, change the pointer shape to that
|
|
|
1311 until `x-ungrab-pointer' is called (it should be an object returned by the
|
|
|
1312 `make-cursor-glyph' function).
|
|
|
1313 If the second optional argument IGNORE-KEYBOARD is non-nil, ignore all
|
|
|
1314 keyboard events during the grab.
|
|
|
1315 Returns t if the grab is successful, nil otherwise.
|
|
20
|
1316 */
|
|
|
1317 (device, cursor, ignore_keyboard))
|
|
0
|
1318 {
|
|
|
1319 Window w;
|
|
|
1320 int pointer_mode, result;
|
|
|
1321 struct device *d = decode_x_device (device);
|
|
|
1322
|
|
|
1323 if (!NILP (cursor))
|
|
|
1324 {
|
|
|
1325 CHECK_POINTER_GLYPH (cursor);
|
|
|
1326 cursor = glyph_image_instance (cursor, device, ERROR_ME, 0);
|
|
|
1327 }
|
|
|
1328
|
|
|
1329 if (!NILP (ignore_keyboard))
|
|
|
1330 pointer_mode = GrabModeSync;
|
|
|
1331 else
|
|
|
1332 pointer_mode = GrabModeAsync;
|
|
|
1333
|
|
|
1334 w = XtWindow (FRAME_X_TEXT_WIDGET (device_selected_frame (d)));
|
|
|
1335
|
|
|
1336 /* #### Possibly this needs to gcpro the cursor somehow, but it doesn't
|
|
|
1337 seem to cause a problem if XFreeCursor is called on a cursor in use
|
|
|
1338 in a grab; I suppose the X server counts the grab as a reference
|
|
|
1339 and doesn't free it until it exits? */
|
|
|
1340 result = XGrabPointer (DEVICE_X_DISPLAY (d), w,
|
|
|
1341 False,
|
|
193
|
1342 ButtonMotionMask |
|
|
|
1343 ButtonPressMask |
|
|
|
1344 ButtonReleaseMask |
|
|
|
1345 PointerMotionHintMask,
|
|
0
|
1346 GrabModeAsync, /* Keep pointer events flowing */
|
|
|
1347 pointer_mode, /* Stall keyboard events */
|
|
|
1348 w, /* Stay in this window */
|
|
|
1349 (NILP (cursor) ? 0
|
|
|
1350 : XIMAGE_INSTANCE_X_CURSOR (cursor)),
|
|
|
1351 CurrentTime);
|
|
183
|
1352 return (result == GrabSuccess) ? Qt : Qnil;
|
|
0
|
1353 }
|
|
|
1354
|
|
20
|
1355 DEFUN ("x-ungrab-pointer", Fx_ungrab_pointer, 0, 1, 0, /*
|
|
0
|
1356 Release a pointer grab made with `x-grab-pointer'.
|
|
|
1357 If optional first arg DEVICE is nil the default device is used.
|
|
|
1358 If it is t the pointer will be released on all X devices.
|
|
20
|
1359 */
|
|
|
1360 (device))
|
|
0
|
1361 {
|
|
|
1362 if (!EQ (device, Qt))
|
|
|
1363 {
|
|
|
1364 Display *dpy = get_x_display (device);
|
|
|
1365 XUngrabPointer (dpy, CurrentTime);
|
|
|
1366 }
|
|
|
1367 else
|
|
|
1368 {
|
|
|
1369 Lisp_Object devcons, concons;
|
|
|
1370
|
|
|
1371 DEVICE_LOOP_NO_BREAK (devcons, concons)
|
|
|
1372 {
|
|
|
1373 struct device *d = XDEVICE (XCAR (devcons));
|
|
|
1374
|
|
|
1375 if (DEVICE_X_P (d))
|
|
|
1376 XUngrabPointer (DEVICE_X_DISPLAY (d), CurrentTime);
|
|
|
1377 }
|
|
|
1378 }
|
|
|
1379
|
|
|
1380 return Qnil;
|
|
|
1381 }
|
|
|
1382
|
|
20
|
1383 DEFUN ("x-grab-keyboard", Fx_grab_keyboard, 0, 1, 0, /*
|
|
0
|
1384 Grab the keyboard on the given device (defaulting to the selected one).
|
|
|
1385 So long as the keyboard is grabbed, all keyboard events will be delivered
|
|
|
1386 to emacs -- it is not possible for other X clients to eavesdrop on them.
|
|
|
1387 Ungrab the keyboard with `x-ungrab-keyboard' (use an unwind-protect).
|
|
|
1388 Returns t if the grab was successful; nil otherwise.
|
|
20
|
1389 */
|
|
|
1390 (device))
|
|
0
|
1391 {
|
|
|
1392 struct device *d = decode_x_device (device);
|
|
|
1393 Window w = XtWindow (FRAME_X_TEXT_WIDGET (device_selected_frame (d)));
|
|
|
1394 Display *dpy = DEVICE_X_DISPLAY (d);
|
|
|
1395 Status status;
|
|
|
1396 XSync (dpy, False);
|
|
|
1397 status = XGrabKeyboard (dpy, w, True,
|
|
|
1398 /* I don't really understand sync-vs-async
|
|
|
1399 grabs, but this is what xterm does. */
|
|
|
1400 GrabModeAsync, GrabModeAsync,
|
|
|
1401 /* Use the timestamp of the last user action
|
|
|
1402 read by emacs proper; xterm uses CurrentTime
|
|
|
1403 but there's a comment that says "wrong"...
|
|
|
1404 (Despite the name this is the time of the
|
|
|
1405 last key or mouse event.) */
|
|
|
1406 DEVICE_X_MOUSE_TIMESTAMP (d));
|
|
|
1407 if (status == GrabSuccess)
|
|
|
1408 {
|
|
|
1409 /* The XUngrabKeyboard should generate a FocusIn back to this
|
|
|
1410 window but it doesn't unless we explicitly set focus to the
|
|
|
1411 window first (which should already have it. The net result
|
|
|
1412 is that without this call when x-ungrab-keyboard is called
|
|
|
1413 the selected frame ends up not having focus. */
|
|
|
1414 XSetInputFocus (dpy, w, RevertToParent, DEVICE_X_MOUSE_TIMESTAMP (d));
|
|
|
1415 return Qt;
|
|
|
1416 }
|
|
|
1417 else
|
|
|
1418 return Qnil;
|
|
|
1419 }
|
|
|
1420
|
|
20
|
1421 DEFUN ("x-ungrab-keyboard", Fx_ungrab_keyboard, 0, 1, 0, /*
|
|
0
|
1422 Release a keyboard grab made with `x-grab-keyboard'.
|
|
20
|
1423 */
|
|
|
1424 (device))
|
|
0
|
1425 {
|
|
|
1426 Display *dpy = get_x_display (device);
|
|
|
1427 XUngrabKeyboard (dpy, CurrentTime);
|
|
|
1428 return Qnil;
|
|
|
1429 }
|
|
|
1430
|
|
|
1431
|
|
|
1432 /************************************************************************/
|
|
|
1433 /* initialization */
|
|
|
1434 /************************************************************************/
|
|
|
1435
|
|
|
1436 void
|
|
|
1437 syms_of_device_x (void)
|
|
|
1438 {
|
|
20
|
1439 DEFSUBR (Fx_debug_mode);
|
|
|
1440 DEFSUBR (Fx_get_resource);
|
|
|
1441 DEFSUBR (Fx_get_resource_prefix);
|
|
|
1442 DEFSUBR (Fx_put_resource);
|
|
0
|
1443
|
|
20
|
1444 DEFSUBR (Fdefault_x_device);
|
|
|
1445 DEFSUBR (Fx_display_visual_class);
|
|
|
1446 DEFSUBR (Fx_server_vendor);
|
|
|
1447 DEFSUBR (Fx_server_version);
|
|
|
1448 DEFSUBR (Fx_valid_keysym_name_p);
|
|
187
|
1449 DEFSUBR (Fx_keysym_hashtable);
|
|
20
|
1450 DEFSUBR (Fx_keysym_on_keyboard_p);
|
|
187
|
1451 DEFSUBR (Fx_keysym_on_keyboard_sans_modifiers_p);
|
|
0
|
1452
|
|
20
|
1453 DEFSUBR (Fx_grab_pointer);
|
|
|
1454 DEFSUBR (Fx_ungrab_pointer);
|
|
|
1455 DEFSUBR (Fx_grab_keyboard);
|
|
|
1456 DEFSUBR (Fx_ungrab_keyboard);
|
|
0
|
1457
|
|
|
1458 defsymbol (&Qx_error, "x-error");
|
|
|
1459 defsymbol (&Qinit_pre_x_win, "init-pre-x-win");
|
|
|
1460 defsymbol (&Qinit_post_x_win, "init-post-x-win");
|
|
|
1461 }
|
|
|
1462
|
|
|
1463 void
|
|
|
1464 console_type_create_device_x (void)
|
|
|
1465 {
|
|
|
1466 CONSOLE_HAS_METHOD (x, init_device);
|
|
|
1467 CONSOLE_HAS_METHOD (x, finish_init_device);
|
|
|
1468 CONSOLE_HAS_METHOD (x, mark_device);
|
|
|
1469 CONSOLE_HAS_METHOD (x, delete_device);
|
|
|
1470 CONSOLE_HAS_METHOD (x, device_pixel_width);
|
|
|
1471 CONSOLE_HAS_METHOD (x, device_pixel_height);
|
|
|
1472 CONSOLE_HAS_METHOD (x, device_mm_width);
|
|
|
1473 CONSOLE_HAS_METHOD (x, device_mm_height);
|
|
|
1474 CONSOLE_HAS_METHOD (x, device_bitplanes);
|
|
|
1475 CONSOLE_HAS_METHOD (x, device_color_cells);
|
|
|
1476 }
|
|
|
1477
|
|
|
1478 void
|
|
|
1479 vars_of_device_x (void)
|
|
|
1480 {
|
|
|
1481 DEFVAR_LISP ("x-emacs-application-class", &Vx_emacs_application_class /*
|
|
|
1482 The X application class of the XEmacs process.
|
|
|
1483 This controls, among other things, the name of the `app-defaults' file
|
|
|
1484 that XEmacs will use. For changes to this variable to take effect, they
|
|
|
1485 must be made before the connection to the X server is initialized, that is,
|
|
|
1486 this variable may only be changed before emacs is dumped, or by setting it
|
|
|
1487 in the file lisp/term/x-win.el.
|
|
|
1488 */ );
|
|
|
1489 Vx_emacs_application_class = Fpurecopy (build_string ("Emacs"));
|
|
|
1490
|
|
|
1491 DEFVAR_LISP ("x-initial-argv-list", &Vx_initial_argv_list /*
|
|
|
1492 You don't want to know.
|
|
|
1493 This is used during startup to communicate the remaining arguments in
|
|
|
1494 `command-line-args-left' to the C code, which passes the args to
|
|
|
1495 the X initialization code, which removes some args, and then the
|
|
|
1496 args are placed back into `x-initial-arg-list' and thence into
|
|
|
1497 `command-line-args-left'. Perhaps `command-line-args-left' should
|
|
|
1498 just reside in C.
|
|
|
1499 */ );
|
|
|
1500 Vx_initial_argv_list = Qnil;
|
|
|
1501
|
|
167
|
1502 DEFVAR_BOOL ("x-seppuku-on-epipe", &x_seppuku_on_epipe /*
|
|
|
1503 When non-nil terminate XEmacs immediately on SIGPIPE from the X server.
|
|
|
1504 XEmacs doesn't terminate properly on some systems.
|
|
|
1505 When this variable is non-nil, XEmacs will commit immediate suicide
|
|
|
1506 when it gets a sigpipe from the X Server.
|
|
|
1507 */ );
|
|
|
1508 x_seppuku_on_epipe = 0;
|
|
|
1509
|
|
0
|
1510 Fprovide (Qx);
|
|
|
1511
|
|
|
1512 staticpro (&Vdefault_x_device);
|
|
|
1513 Vdefault_x_device = Qnil;
|
|
|
1514
|
|
|
1515 error_expected = 0;
|
|
|
1516 error_occurred = 0;
|
|
|
1517
|
|
|
1518 in_resource_setting = 0;
|
|
|
1519 in_specifier_change_function = 0;
|
|
|
1520 }
|
