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0
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1 /* Define X specific console, device, and frame object for XEmacs.
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2 Copyright (C) 1989, 1992, 1993, 1994, 1995 Free Software Foundation, Inc.
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3 Copyright (C) 1994, 1995 Board of Trustees, University of Illinois.
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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
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25 /* Authorship:
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26
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27 Ultimately based on FSF, then later on JWZ work for Lemacs.
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28 Rewritten over time by Ben Wing and Chuck Thompson (original
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29 multi-device work by Chuck Thompson).
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30 */
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31
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32 #ifndef _XEMACS_CONSOLE_X_H_
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33 #define _XEMACS_CONSOLE_X_H_
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34
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35 #ifdef HAVE_X_WINDOWS
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36
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37 #include "console.h"
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38 #include "xintrinsic.h"
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39
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40 #include <X11/cursorfont.h>
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41 #include <X11/keysym.h>
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42 #include <X11/Xatom.h>
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43
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44 #ifdef USG
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45 #undef USG /* ####KLUDGE for Solaris 2.2 and up */
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46 #include <X11/Xos.h>
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47 #define USG
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48 #else
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49 #include <X11/Xos.h>
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50 #endif
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51
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52 #include <X11/StringDefs.h>
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53
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54 #ifdef HAVE_XPM
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55 #include <X11/xpm.h>
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56 #endif
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57
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58 /* R5 defines the XPointer type, but R4 doesn't.
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59 R4 also doesn't define a version number, but R5 does. */
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60 #if (XlibSpecificationRelease < 5)
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61 # define XPointer char *
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62 #endif
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63
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64 DECLARE_CONSOLE_TYPE (x);
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65
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66 struct x_device
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67 {
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68 /* The X connection of this device. */
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69 Display *display;
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70
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71 /* Xt application info. */
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72 Widget Xt_app_shell;
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73
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74 /* Cache of GC's for frame's on this device. */
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75 struct gc_cache *gc_cache;
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76
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77 /* Used by x_bevel_modeline in redisplay-x.c */
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78 Pixmap gray_pixmap;
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79
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80 /* Atoms associated with this device. */
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81 /* allocated in Xatoms_of_xfns in xfns.c */
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82 Atom Xatom_WM_PROTOCOLS;
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83 Atom Xatom_WM_DELETE_WINDOW;
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84 Atom Xatom_WM_SAVE_YOURSELF;
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85 Atom Xatom_WM_TAKE_FOCUS;
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86 Atom Xatom_WM_STATE;
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87
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88 /* allocated in Xatoms_of_xselect in xselect.c */
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89 Atom Xatom_CLIPBOARD;
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90 Atom Xatom_TIMESTAMP;
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91 Atom Xatom_TEXT;
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92 Atom Xatom_DELETE;
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93 Atom Xatom_MULTIPLE;
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94 Atom Xatom_INCR;
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95 Atom Xatom_EMACS_TMP;
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96 Atom Xatom_TARGETS;
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97 Atom Xatom_NULL;
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98 Atom Xatom_ATOM_PAIR;
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99 Atom Xatom_COMPOUND_TEXT;
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100
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101 /* allocated in Xatoms_of_objects_x in objects-x.c */
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102 Atom Xatom_FOUNDRY;
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103 Atom Xatom_FAMILY_NAME;
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104 Atom Xatom_WEIGHT_NAME;
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105 Atom Xatom_SLANT;
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106 Atom Xatom_SETWIDTH_NAME;
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107 Atom Xatom_ADD_STYLE_NAME;
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108 Atom Xatom_PIXEL_SIZE;
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109 Atom Xatom_POINT_SIZE;
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110 Atom Xatom_RESOLUTION_X;
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111 Atom Xatom_RESOLUTION_Y;
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112 Atom Xatom_SPACING;
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113 Atom Xatom_AVERAGE_WIDTH;
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114 Atom Xatom_CHARSET_REGISTRY;
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115 Atom Xatom_CHARSET_ENCODING;
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116
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117 /* The following items are all used exclusively in event-Xt.c. */
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118 int MetaMask, HyperMask, SuperMask, AltMask, ModeMask;
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119 KeySym lock_interpretation;
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120
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121 XModifierKeymap *x_modifier_keymap;
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122
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123 KeySym *x_keysym_map;
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124 int x_keysym_map_min_code;
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125 int x_keysym_map_keysyms_per_code;
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126
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127 /* frame that holds the WM_COMMAND property; there should be exactly
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128 one of these per device. */
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129 Lisp_Object WM_COMMAND_frame;
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130
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131 /* #### It's not clear that there is much distinction anymore
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132 between mouse_timestamp and global_mouse_timestamp, now that
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133 Emacs doesn't see most (all?) events not destined for it. */
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134
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135 /* The timestamp of the last button or key event used by emacs itself.
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136 This is used for asserting selections and input focus. */
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137 Time mouse_timestamp;
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138
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139 /* This is the timestamp the last button or key event whether it was
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140 dispatched to emacs or widgets. */
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141 Time global_mouse_timestamp;
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142
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143 /* This is the last known timestamp received from the server. It is
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144 maintained by x_event_to_emacs_event and used to patch bogus
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145 WM_TAKE_FOCUS messages sent by Mwm. */
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146 Time last_server_timestamp;
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147
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148 /* Used by Xlib to preserve information across calls to
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149 XLookupString(), to implement compose processing.
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150
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151 According to The X Window System, p. 467, "The creation of
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152 XComposeStatus structures is implementation dependent;
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153 a portable program must pass NULL for this argument."
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154 But this means that a portable program cannot implement
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155 compose processing! WTF?
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156
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157 So we just set it to all zeros. */
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158
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159 XComposeStatus x_compose_status;
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160
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161 /* stuff for sticky modifiers: */
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162
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163 unsigned int need_to_add_mask, down_mask;
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164 KeyCode last_downkey;
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165 Time release_time;
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166 };
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167
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168 #define DEVICE_X_DATA(d) DEVICE_TYPE_DATA (d, x)
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169
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170 #define FRAME_X_DISPLAY(f) (DEVICE_X_DISPLAY (XDEVICE (f->device)))
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171 #define DEVICE_X_DISPLAY(d) (DEVICE_X_DATA (d)->display)
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172 #define DEVICE_XT_APP_SHELL(d) (DEVICE_X_DATA (d)->Xt_app_shell)
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173 #define DEVICE_X_GC_CACHE(d) (DEVICE_X_DATA (d)->gc_cache)
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174 #define DEVICE_X_GRAY_PIXMAP(d) (DEVICE_X_DATA (d)->gray_pixmap)
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175 #define DEVICE_X_WM_COMMAND_FRAME(d) (DEVICE_X_DATA (d)->WM_COMMAND_frame)
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176 #define DEVICE_X_MOUSE_TIMESTAMP(d) (DEVICE_X_DATA (d)->mouse_timestamp)
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177 #define DEVICE_X_GLOBAL_MOUSE_TIMESTAMP(d) \
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178 (DEVICE_X_DATA (d)->global_mouse_timestamp)
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179 #define DEVICE_X_LAST_SERVER_TIMESTAMP(d) \
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180 (DEVICE_X_DATA (d)->last_server_timestamp)
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181 #define DEVICE_X_X_COMPOSE_STATUS(d) (DEVICE_X_DATA (d)->x_compose_status)
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182
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183 /* allocated in Xatoms_of_xfns in xfns.c */
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184 #define DEVICE_XATOM_WM_PROTOCOLS(d) (DEVICE_X_DATA (d)->Xatom_WM_PROTOCOLS)
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185 #define DEVICE_XATOM_WM_DELETE_WINDOW(d) \
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186 (DEVICE_X_DATA (d)->Xatom_WM_DELETE_WINDOW)
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187 #define DEVICE_XATOM_WM_SAVE_YOURSELF(d) \
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188 (DEVICE_X_DATA (d)->Xatom_WM_SAVE_YOURSELF)
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189 #define DEVICE_XATOM_WM_TAKE_FOCUS(d) (DEVICE_X_DATA (d)->Xatom_WM_TAKE_FOCUS)
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190 #define DEVICE_XATOM_WM_STATE(d) (DEVICE_X_DATA (d)->Xatom_WM_STATE)
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191
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192 /* allocated in Xatoms_of_xselect in xselect.c */
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193 #define DEVICE_XATOM_CLIPBOARD(d) (DEVICE_X_DATA (d)->Xatom_CLIPBOARD)
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194 #define DEVICE_XATOM_TIMESTAMP(d) (DEVICE_X_DATA (d)->Xatom_TIMESTAMP)
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195 #define DEVICE_XATOM_TEXT(d) (DEVICE_X_DATA (d)->Xatom_TEXT)
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196 #define DEVICE_XATOM_DELETE(d) (DEVICE_X_DATA (d)->Xatom_DELETE)
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197 #define DEVICE_XATOM_MULTIPLE(d) (DEVICE_X_DATA (d)->Xatom_MULTIPLE)
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198 #define DEVICE_XATOM_INCR(d) (DEVICE_X_DATA (d)->Xatom_INCR)
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199 #define DEVICE_XATOM_EMACS_TMP(d) (DEVICE_X_DATA (d)->Xatom_EMACS_TMP)
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200 #define DEVICE_XATOM_TARGETS(d) (DEVICE_X_DATA (d)->Xatom_TARGETS)
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201 #define DEVICE_XATOM_NULL(d) (DEVICE_X_DATA (d)->Xatom_NULL)
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202 #define DEVICE_XATOM_ATOM_PAIR(d) (DEVICE_X_DATA (d)->Xatom_ATOM_PAIR)
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203 #define DEVICE_XATOM_COMPOUND_TEXT(d) (DEVICE_X_DATA (d)->Xatom_COMPOUND_TEXT)
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204
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205 /* allocated in Xatoms_of_objects_x in objects-x.c */
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206 #define DEVICE_XATOM_FOUNDRY(d) (DEVICE_X_DATA (d)->Xatom_FOUNDRY)
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207 #define DEVICE_XATOM_FAMILY_NAME(d) (DEVICE_X_DATA (d)->Xatom_FAMILY_NAME)
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208 #define DEVICE_XATOM_WEIGHT_NAME(d) (DEVICE_X_DATA (d)->Xatom_WEIGHT_NAME)
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209 #define DEVICE_XATOM_SLANT(d) (DEVICE_X_DATA (d)->Xatom_SLANT)
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210 #define DEVICE_XATOM_SETWIDTH_NAME(d) (DEVICE_X_DATA (d)->Xatom_SETWIDTH_NAME)
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211 #define DEVICE_XATOM_ADD_STYLE_NAME(d) \
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212 (DEVICE_X_DATA (d)->Xatom_ADD_STYLE_NAME)
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213 #define DEVICE_XATOM_PIXEL_SIZE(d) (DEVICE_X_DATA (d)->Xatom_PIXEL_SIZE)
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214 #define DEVICE_XATOM_POINT_SIZE(d) (DEVICE_X_DATA (d)->Xatom_POINT_SIZE)
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215 #define DEVICE_XATOM_RESOLUTION_X(d) (DEVICE_X_DATA (d)->Xatom_RESOLUTION_X)
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216 #define DEVICE_XATOM_RESOLUTION_Y(d) (DEVICE_X_DATA (d)->Xatom_RESOLUTION_Y)
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217 #define DEVICE_XATOM_SPACING(d) (DEVICE_X_DATA (d)->Xatom_SPACING)
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218 #define DEVICE_XATOM_AVERAGE_WIDTH(d) (DEVICE_X_DATA (d)->Xatom_AVERAGE_WIDTH)
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219 #define DEVICE_XATOM_CHARSET_REGISTRY(d) \
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220 (DEVICE_X_DATA (d)->Xatom_CHARSET_REGISTRY)
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221 #define DEVICE_XATOM_CHARSET_ENCODING(d) \
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222 (DEVICE_X_DATA (d)->Xatom_CHARSET_ENCODING)
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223
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224 /* The maximum number of widgets that can be displayed above the text
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225 area at one time. Currently no more than 3 will ever actually be
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226 displayed (menubar, psheet, debugger panel). */
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227 #define MAX_CONCURRENT_TOP_WIDGETS 8
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228
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229 struct x_frame
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230 {
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231 /* The widget of this frame. This is an EmacsShell or an
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232 ExternalShell. */
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233 Widget widget;
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234
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235 /* The parent of the EmacsFrame, the menubar, and the scrollbars.
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236 This is an EmacsManager. */
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237 Widget container;
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238
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239 /* The widget of the menubar, of whatever widget class it happens to be. */
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240 Widget menubar_widget;
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241
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242 /* The widget of the edit portion of this frame; this is an EmacsFrame,
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243 and the window of this widget is what the redisplay code draws on. */
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244 Widget edit_widget;
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245
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246 /* Lists the widgets above the text area, in the proper order.
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247 Used by the EmacsManager. */
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248 Widget top_widgets[MAX_CONCURRENT_TOP_WIDGETS];
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249 int num_top_widgets;
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250
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251 #ifdef ENERGIZE
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252 /* The Energize property-sheets. The current_ slots are the ones which are
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253 actually on the frame. The desired_ slots are the ones which should
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254 be there. Redisplay synchs these.
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255 */
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256 int *current_psheets;
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257 int *desired_psheets;
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258 int current_psheet_count;
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259 int desired_psheet_count;
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260 Lisp_Object current_psheet_buffer;
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261 Lisp_Object desired_psheet_buffer;
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262 #endif /* ENERGIZE */
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0
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263
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264 /*************************** Miscellaneous **************************/
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265
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266 /* The icon pixmaps; these are Lisp_Image_Instance objects, or Qnil. */
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267 Lisp_Object icon_pixmap;
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268 Lisp_Object icon_pixmap_mask;
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269
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270 /* We don't provide a mechanism for changing these are they are
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271 initialized so we might as well keep pointers to them and avoid
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272 lots of expensive calls to gc_cache_lookup. */
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273 GC toolbar_top_shadow_gc;
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274 GC toolbar_bottom_shadow_gc;
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275 GC toolbar_blank_background_gc;
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276 GC toolbar_pixmap_background_gc;
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277
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278 /* geometry string that ought to be freed. */
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279 char *geom_free_me_please;
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280
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281
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0
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282 int old_toolbar_size[4];
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283
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284 /* 1 if the frame is completely visible on the display, 0 otherwise.
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285 if 0 the frame may have been iconified or may be totally
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286 or partially hidden by another X window */
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287 unsigned int totally_visible_p :1;
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0
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288
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289 /* NB: Both of the following flags are derivable from the 'shell'
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290 field above, but it's easier if we also have them separately here. */
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291
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292 /* Are we a top-level frame? This means that our shell is a
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293 TopLevelShell, and we should do certain things to interact with
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294 the window manager. */
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16
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295 unsigned int top_level_frame_p :1;
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0
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296
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297 #ifdef EXTERNAL_WIDGET
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298 /* Are we using somebody else's window for our shell window? This
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299 means that our shell is an ExternalShell. If this flag is set, then
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300 `top_level_frame_p' will never be set. */
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16
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301 unsigned int external_window_p :1;
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0
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302 #endif /* EXTERNAL_WIDGET */
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303 };
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304
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305 #define FRAME_X_DATA(f) FRAME_TYPE_DATA (f, x)
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306
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307 #define FRAME_X_SHELL_WIDGET(f) (FRAME_X_DATA (f)->widget)
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308 #define FRAME_X_CONTAINER_WIDGET(f) (FRAME_X_DATA (f)->container)
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309 #define FRAME_X_MENUBAR_WIDGET(f) (FRAME_X_DATA (f)->menubar_widget)
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310 #define FRAME_X_TEXT_WIDGET(f) (FRAME_X_DATA (f)->edit_widget)
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311 #define FRAME_X_TOP_WIDGETS(f) (FRAME_X_DATA (f)->top_widgets)
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312 #define FRAME_X_NUM_TOP_WIDGETS(f) (FRAME_X_DATA (f)->num_top_widgets)
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313
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314 #define FRAME_X_OLD_TOOLBAR_SIZE(f, pos) \
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315 (FRAME_X_DATA (f)->old_toolbar_size[pos])
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316
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317 #ifdef ENERGIZE
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318 #define FRAME_X_CURRENT_PSHEETS(f) (FRAME_X_DATA (f)->current_psheets)
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319 #define FRAME_X_DESIRED_PSHEETS(f) (FRAME_X_DATA (f)->desired_psheets)
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320 #define FRAME_X_CURRENT_PSHEET_COUNT(f) \
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321 (FRAME_X_DATA (f)->current_psheet_count)
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322 #define FRAME_X_DESIRED_PSHEET_COUNT(f) \
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323 (FRAME_X_DATA (f)->desired_psheet_count)
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324 #define FRAME_X_CURRENT_PSHEET_BUFFER(f) \
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325 (FRAME_X_DATA (f)->current_psheet_buffer)
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326 #define FRAME_X_DESIRED_PSHEET_BUFFER(f) \
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327 (FRAME_X_DATA (f)->desired_psheet_buffer)
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328 #endif
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329
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330 #define FRAME_X_ICON_PIXMAP(f) (FRAME_X_DATA (f)->icon_pixmap)
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331 #define FRAME_X_ICON_PIXMAP_MASK(f) (FRAME_X_DATA (f)->icon_pixmap_mask)
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332
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333 #define FRAME_X_TOOLBAR_TOP_SHADOW_GC(f) \
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334 (FRAME_X_DATA (f)->toolbar_top_shadow_gc)
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335 #define FRAME_X_TOOLBAR_BOTTOM_SHADOW_GC(f) \
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336 (FRAME_X_DATA (f)->toolbar_bottom_shadow_gc)
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337 #define FRAME_X_TOOLBAR_BLANK_BACKGROUND_GC(f) \
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338 (FRAME_X_DATA (f)->toolbar_blank_background_gc)
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339 #define FRAME_X_TOOLBAR_PIXMAP_BACKGROUND_GC(f) \
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340 (FRAME_X_DATA (f)->toolbar_pixmap_background_gc)
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341
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342 #define FRAME_X_GEOM_FREE_ME_PLEASE(f) (FRAME_X_DATA (f)->geom_free_me_please)
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343
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344 #define FRAME_X_TOTALLY_VISIBLE_P(f) (FRAME_X_DATA (f)->totally_visible_p)
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345 #define FRAME_X_TOP_LEVEL_FRAME_P(f) (FRAME_X_DATA (f)->top_level_frame_p)
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346
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347 #ifdef EXTERNAL_WIDGET
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348 #define FRAME_X_EXTERNAL_WINDOW_P(f) (FRAME_X_DATA (f)->external_window_p)
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349 #endif
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350
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351 /* This needs to go in an include file that's included by inline.c
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352 in order for the error-checking functions to get defined. */
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353 #ifdef EPOCH
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354 DECLARE_LRECORD (x_resource, struct Lisp_X_Resource);
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355 #endif
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356
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357 /* Variables associated with the X display frame this emacs is using. */
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358 extern XtAppContext Xt_app_con;
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359
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360 extern Lisp_Object Vx_gc_pointer_shape;
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361 extern Lisp_Object Vx_scrollbar_pointer_shape;
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362 extern Lisp_Object Qx_error;
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363
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364 extern struct console_type *x_console_type;
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365 extern Lisp_Object Vdefault_x_device;
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366
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367 /* Number of pixels below each line. */
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368 extern int x_interline_space;
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369
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370 extern int x_selection_timeout;
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371
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372 struct frame *x_any_window_to_frame (struct device *d, Window);
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373 struct frame *x_any_widget_or_parent_to_frame (struct device *d,
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374 Widget widget);
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375 struct frame *decode_x_frame (Lisp_Object);
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376 Display *get_x_display (Lisp_Object);
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377 struct frame *x_window_to_frame (struct device *d, Window);
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378 struct device *get_device_from_display (Display *dpy);
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379 struct device *decode_x_device (Lisp_Object);
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380
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381 void x_handle_selection_notify (XSelectionEvent *event);
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382 void x_handle_selection_request (XSelectionRequestEvent *event);
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383 void x_handle_selection_clear (XSelectionClearEvent *event);
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384 void x_handle_property_notify (XPropertyEvent *event);
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385
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386 void Xatoms_of_xselect (struct device *d);
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387 void Xatoms_of_objects_x (struct device *d);
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388
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389 void x_wm_set_shell_iconic_p (Widget shell, int iconic_p);
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390 void x_wm_set_cell_size (Widget wmshell, int cw, int ch);
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391 void x_wm_set_variable_size (Widget wmshell, int width, int height);
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392
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393 CONST char *x_event_name (int event_type);
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394 int x_error_handler (Display *disp, XErrorEvent *event);
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395 void expect_x_error (Display *dpy);
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396 int x_error_occurred_p (Display *dpy);
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397 int signal_if_x_error (Display *dpy, int resumable_p);
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398 int x_IO_error_handler (Display *disp);
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399
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400 void x_redraw_exposed_area (struct frame *f, int x, int y,
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401 int width, int height);
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402 struct Lisp_Image_Instance;
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403 void x_output_string (struct window *w, struct display_line *dl,
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404 emchar_dynarr *buf, int xpos, int xoffset,
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405 int start_pixpos, int width, face_index findex,
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406 int cursor, int cursor_start, int cursor_width,
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407 int cursor_height);
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408 void x_output_x_pixmap (struct frame *f, struct Lisp_Image_Instance *p,
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409 int x, int y, int clip_x, int clip_y,
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410 int clip_width, int clip_height, int width,
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411 int height, int pixmap_offset,
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412 unsigned long fg, unsigned long bg,
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413 GC override_gc);
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414 void x_output_shadows (struct frame *f, int x, int y, int width,
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415 int height, GC top_shadow_gc,
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416 GC bottom_shadow_gc, GC background_gc,
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417 int shadow_thickness);
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418 void x_generate_shadow_pixels (struct frame *f,
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419 unsigned long *top_shadow,
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420 unsigned long *bottom_shadow,
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421 unsigned long background,
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422 unsigned long core_background);
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423
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424 int x_initialize_frame_menubar (struct frame *f);
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425 void x_init_modifier_mapping (struct device *d);
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426
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427 #define X_ERROR_OCCURRED(dpy, body) \
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428 (expect_x_error ((dpy)), (body), x_error_occurred_p (dpy))
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429
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430 #define HANDLING_X_ERROR(dpy, body) \
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431 ( expect_x_error ((dpy)), (body), signal_if_x_error ((dpy), 0))
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432
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433 Lisp_Object x_atom_to_symbol (struct device *d, Atom atom);
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434 Atom symbol_to_x_atom (struct device *d, Lisp_Object sym,
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435 int only_if_exists);
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436
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437 #ifdef EPOCH
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438 extern Lisp_Object Qx_property_change, Qx_client_message, Qx_map, Qx_unmap;
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439 extern Lisp_Object Vepoch_event, Vepoch_event_handler;
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440 #endif
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441
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442 extern int in_resource_setting;
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443 extern int in_specifier_change_function;
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444
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445 extern Lisp_Object Vx_initial_argv_list; /* #### ugh! */
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446
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447 #endif /* HAVE_X_WINDOWS */
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448 #endif /* _XEMACS_DEVICE_X_H_ */
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