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0
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1 /* The emacs frame widget.
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2 Copyright (C) 1992, 1993, 1994, 1995 Free Software Foundation, Inc.
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3 Copyright (C) 1993-1995 Sun Microsystems, Inc.
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4 Copyright (C) 1995 Ben Wing.
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5
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6 This file is part of XEmacs.
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7
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8 XEmacs is free software; you can redistribute it and/or modify it
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9 under the terms of the GNU General Public License as published by the
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10 Free Software Foundation; either version 2, or (at your option) any
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11 later version.
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12
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13 XEmacs is distributed in the hope that it will be useful, but WITHOUT
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14 ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
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15 FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License
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16 for more details.
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17
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18 You should have received a copy of the GNU General Public License
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19 along with XEmacs; see the file COPYING. If not, write to
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20 the Free Software Foundation, Inc., 59 Temple Place - Suite 330,
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21 Boston, MA 02111-1307, USA. */
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22
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23 /* Synched up with: Not in FSF. */
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24
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25 /* #### Note to potential hackers: Don't mess with this unless you're
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26 sure you know what you're doing! Xt is a lot more subtle than
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27 you may think. */
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28
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29 #include <config.h>
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30 #include "lisp.h"
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31
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32 #include "console-x.h"
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33 #include "glyphs-x.h"
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34 #include "objects-x.h"
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35 #include <X11/Shell.h>
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36 #include "EmacsFrameP.h"
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37 #include "EmacsManager.h" /* for EmacsManagerChangeSize */
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38 #include "xmu.h"
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39
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40 #include "faces.h"
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41 #include "frame.h"
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42 #include "toolbar.h"
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43 #include "redisplay.h"
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44 #include "window.h"
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45
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46 static void EmacsFrameClassInitialize (void);
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47 static void EmacsFrameInitialize (Widget, Widget, ArgList, Cardinal *);
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48 static void EmacsFrameRealize (Widget, XtValueMask*, XSetWindowAttributes*);
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49 static void EmacsFrameResize (Widget widget);
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50 static Boolean EmacsFrameSetValues (Widget, Widget, Widget,
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51 ArgList, Cardinal *);
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52 static XtGeometryResult EmacsFrameQueryGeometry (Widget, XtWidgetGeometry*,
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53 XtWidgetGeometry*);
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54
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55 extern void
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185
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56 emacs_Xt_mapping_action (Widget w, XEvent* event);
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0
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57
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58 #undef XtOffset
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59 #define XtOffset(p_type,field) \
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60 ((Cardinal) (((char *) (&(((p_type)0)->field))) - ((char *)0)))
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61 #define offset(field) XtOffset(EmacsFrame, emacs_frame.field)
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62
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63 static XtResource resources[] = {
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64 {XtNgeometry, XtCGeometry, XtRString, sizeof(String),
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65 offset (geometry), XtRString, (XtPointer) 0},
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66 {XtNiconic, XtCIconic, XtRBoolean, sizeof(Boolean),
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67 offset (iconic), XtRImmediate, (XtPointer) False},
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68
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69 {XtNemacsFrame, XtCEmacsFrame, XtRPointer, sizeof (XtPointer),
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70 offset (frame), XtRImmediate, 0},
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71 {XtNmenubar, XtCMenubar, XtRBoolean, sizeof (Boolean),
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72 offset (menubar_p), XtRImmediate, (XtPointer) True},
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73 {XtNinitiallyUnmapped, XtCInitiallyUnmapped, XtRBoolean, sizeof (Boolean),
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74 offset (initially_unmapped), XtRImmediate, (XtPointer) False},
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75 {XtNminibuffer, XtCMinibuffer, XtRBoolean, sizeof (Boolean),
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76 offset (minibuffer), XtRImmediate, (XtPointer) True},
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77 {XtNunsplittable, XtCUnsplittable, XtRBoolean, sizeof (Boolean),
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78 offset (unsplittable), XtRImmediate, (XtPointer) False},
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79 {XtNinternalBorderWidth, XtCInternalBorderWidth, XtRInt, sizeof (int),
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80 offset (internal_border_width), XtRImmediate, (XtPointer)4},
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81 #ifdef HAVE_SCROLLBARS
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82 {XtNscrollBarWidth, XtCScrollBarWidth, XtRInt, sizeof (int),
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83 offset (scrollbar_width), XtRImmediate, (XtPointer)-1},
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84 {XtNscrollBarHeight, XtCScrollBarHeight, XtRInt, sizeof (int),
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85 offset (scrollbar_height), XtRImmediate, (XtPointer)-1},
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86 {XtNscrollBarPlacement, XtCScrollBarPlacement, XtRScrollBarPlacement,
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87 sizeof(unsigned char), offset(scrollbar_placement), XtRImmediate,
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82
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88 #if defined (LWLIB_SCROLLBARS_MOTIF) || defined (LWLIB_SCROLLBARS_LUCID) || \
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89 defined (LWLIB_SCROLLBARS_ATHENA3D)
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0
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90 (XtPointer) XtBOTTOM_RIGHT
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91 #else
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92 (XtPointer) XtBOTTOM_LEFT
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93 #endif
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94 },
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95 #endif /* HAVE_SCROLLBARS */
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96 #ifdef HAVE_TOOLBARS
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97 {XtNtopToolBarHeight, XtCTopToolBarHeight, XtRInt, sizeof (int),
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98 offset (top_toolbar_height), XtRImmediate, (XtPointer)-1},
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99 {XtNbottomToolBarHeight, XtCBottomToolBarHeight, XtRInt, sizeof (int),
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100 offset (bottom_toolbar_height), XtRImmediate, (XtPointer)-1},
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101 {XtNleftToolBarWidth, XtCLeftToolBarWidth, XtRInt, sizeof (int),
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102 offset (left_toolbar_width), XtRImmediate, (XtPointer)-1},
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103 {XtNrightToolBarWidth, XtCRightToolBarWidth, XtRInt, sizeof (int),
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104 offset (right_toolbar_width), XtRImmediate, (XtPointer)-1},
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215
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105 {XtNtopToolBarBorderWidth, XtCTopToolBarBorderWidth, XtRInt,
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106 sizeof (int),
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107 offset (top_toolbar_border_width), XtRImmediate, (XtPointer)-1},
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108 {XtNbottomToolBarBorderWidth, XtCBottomToolBarBorderWidth, XtRInt,
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109 sizeof (int),
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110 offset (bottom_toolbar_border_width), XtRImmediate, (XtPointer)-1},
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111 {XtNleftToolBarBorderWidth, XtCLeftToolBarBorderWidth, XtRInt,
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112 sizeof (int),
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113 offset (left_toolbar_border_width), XtRImmediate, (XtPointer)-1},
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114 {XtNrightToolBarBorderWidth, XtCRightToolBarBorderWidth, XtRInt,
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115 sizeof (int),
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116 offset (right_toolbar_border_width), XtRImmediate, (XtPointer)-1},
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0
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117 {XtNtopToolBarShadowColor, XtCTopToolBarShadowColor, XtRPixel, sizeof(Pixel),
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183
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118 offset(top_toolbar_shadow_pixel), XtRString, "#000000"},
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0
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119 {XtNbottomToolBarShadowColor, XtCBottomToolBarShadowColor, XtRPixel,
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183
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120 sizeof(Pixel), offset(bottom_toolbar_shadow_pixel), XtRString, "#000000"},
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0
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121 {XtNbackgroundToolBarColor, XtCBackgroundToolBarColor, XtRPixel,
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183
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122 sizeof(Pixel), offset(background_toolbar_pixel), XtRString, "Gray75"},
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0
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123 {XtNtopToolBarShadowPixmap, XtCTopToolBarShadowPixmap, XtRPixmap,
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124 sizeof (Pixmap), offset(top_toolbar_shadow_pixmap), XtRImmediate,
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125 (XtPointer)None},
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126 {XtNbottomToolBarShadowPixmap, XtCBottomToolBarShadowPixmap, XtRPixmap,
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127 sizeof (Pixmap), offset(bottom_toolbar_shadow_pixmap), XtRImmediate,
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128 (XtPointer)None},
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129 {XtNtoolBarShadowThickness, XtCToolBarShadowThickness, XtRDimension,
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130 sizeof (Dimension), offset (toolbar_shadow_thickness), XtRImmediate,
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131 (XtPointer)2},
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132 #endif /* HAVE_TOOLBARS */
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133 {XtNinterline, XtCInterline, XtRInt, sizeof (int),
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134 offset (interline), XtRImmediate, (XtPointer)0},
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135 {
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136 #ifdef I18N4
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137 XtNfontSet, XtCFontSet, XtRFontSet, sizeof(XFontSet),
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138 #else
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139 XtNfont, XtCFont, XtRFontStruct, sizeof(XFontStruct *),
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140 #endif
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141 offset(font), XtRImmediate, (XtPointer)0
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142 },
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143 {XtNforeground, XtCForeground, XtRPixel, sizeof(Pixel),
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183
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144 offset(foreground_pixel), XtRString, "XtDefaultForeground"},
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215
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145 {XtNbackground, XtCBackground, XtRPixel, sizeof(Pixel),
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146 offset(background_pixel), XtRImmediate, (XtPointer)-1},
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0
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147 {XtNcursorColor, XtCForeground, XtRPixel, sizeof(Pixel),
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183
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148 offset(cursor_color), XtRString, "XtDefaultForeground"},
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0
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149 {XtNbarCursor, XtCBarCursor, XtRBoolean, sizeof (Boolean),
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150 offset (bar_cursor), XtRImmediate, (XtPointer)0},
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151 {XtNvisualBell, XtCVisualBell, XtRBoolean, sizeof (Boolean),
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152 offset (visual_bell), XtRImmediate, (XtPointer)0},
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153 {XtNbellVolume, XtCBellVolume, XtRInt, sizeof (int),
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154 offset (bell_volume), XtRImmediate, (XtPointer)0},
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155 {XtNuseBackingStore, XtCUseBackingStore, XtRBoolean, sizeof (Boolean),
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156 offset (use_backing_store), XtRImmediate, (XtPointer)0},
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157 {XtNpreferredWidth, XtCPreferredWidth, XtRDimension, sizeof (Dimension),
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158 offset (preferred_width), XtRImmediate, (XtPointer)0},
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159 {XtNpreferredHeight, XtCPreferredHeight, XtRDimension, sizeof (Dimension),
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160 offset (preferred_height), XtRImmediate, (XtPointer)0},
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161 };
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162
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163 #undef offset
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164
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165 /* Xt is stupid and dumb.
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166 Xt is stupid and dumb.
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167 Xt is stupid and dumb. */
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168
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169 static XtActionsRec
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170 emacsFrameActionsTable [] = {
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183
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171 {"mapping", (XtActionProc) emacs_Xt_mapping_action},
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0
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172 };
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173
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174 static char
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175 emacsFrameTranslations [] = "\
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176 <Mapping>: mapping()\n\
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177 ";
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178
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179 /* If we're running under Motif, make this widget a subclass
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180 of XmPrimitive. It's not clear this is necessary, but it
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181 may make focus behavior work better. */
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182
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183 EmacsFrameClassRec emacsFrameClassRec = {
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184 { /* core fields */
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185 #ifdef LWLIB_USES_MOTIF
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186 /* superclass */ (WidgetClass) &xmPrimitiveClassRec,
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187 #else
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188 /* superclass */ &widgetClassRec,
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189 #endif
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183
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190 /* class_name */ "EmacsFrame",
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0
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191 /* widget_size */ sizeof(EmacsFrameRec),
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192 /* class_initialize */ EmacsFrameClassInitialize,
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193 /* class_part_initialize */ 0,
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194 /* class_inited */ FALSE,
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195 /* initialize */ EmacsFrameInitialize,
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196 /* initialize_hook */ 0,
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197 /* realize */ EmacsFrameRealize,
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198 /* actions */ emacsFrameActionsTable,
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199 /* num_actions */ XtNumber (emacsFrameActionsTable),
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200 /* resources */ resources,
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201 /* resource_count */ XtNumber(resources),
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202 /* xrm_class */ NULLQUARK,
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203 /* compress_motion */ TRUE,
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204 /* compress_exposure */ TRUE,
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205 /* compress_enterleave */ TRUE,
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206 /* visible_interest */ FALSE,
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207 /* destroy */ NULL,
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208 /* resize */ EmacsFrameResize,
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209 /* expose */ XtInheritExpose,
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210 /* set_values */ EmacsFrameSetValues,
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211 /* set_values_hook */ 0,
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212 /* set_values_almost */ XtInheritSetValuesAlmost,
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213 /* get_values_hook */ 0,
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214 /* accept_focus */ XtInheritAcceptFocus,
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215 /* version */ XtVersion,
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216 /* callback_private */ 0,
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217 /* tm_table */ emacsFrameTranslations,
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218 /* query_geometry */ EmacsFrameQueryGeometry,
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219 /* display_accelerator */ XtInheritDisplayAccelerator,
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220 /* extension */ 0
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221 },
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222 #ifdef LWLIB_USES_MOTIF
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223 { /* XmPrimitiveClassPart
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224 */
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225 (XtWidgetProc) _XtInherit, /* border_highlight */
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226 (XtWidgetProc) _XtInherit, /* border_unhighlight */
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227 /* Setting the following to NULL causes PrimitiveInitialize()
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228 not to add traversal (TAB etc. to switch focus) and
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229 focus-in/out (border highlight/unhighlight) translations.
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230 If you want those translations, use the value XtInheritTranslations
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231 instead. Doing this, however, will interfere with Emacs
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232 focus handling (which highlights/unhighlights the text cursor),
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233 and will lead to strange display results around the border of the
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234 widget. */
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235 NULL, /* translations */
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236 NULL, /* arm_and_activate */
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237 NULL, /* get resources */
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238 0, /* num get_resources */
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239 NULL, /* extension */
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240 },
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241 #endif /* LWLIB_USES_MOTIF */
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242 {
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243 0
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244 }
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245 };
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246 WidgetClass emacsFrameClass = (WidgetClass) &emacsFrameClassRec;
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247
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248 static void
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249 update_various_frame_slots (EmacsFrame ew)
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250 {
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251 ew->emacs_frame.frame->pixheight = ew->core.height;
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252 ew->emacs_frame.frame->pixwidth = ew->core.width;
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253 ew->emacs_frame.frame->internal_border_width =
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254 ew->emacs_frame.internal_border_width;
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255 }
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256
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183
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257 static void
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0
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258 EmacsFrameInitialize (Widget request, Widget new,
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259 ArgList dum1, Cardinal *dum2)
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260 {
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261 EmacsFrame ew = (EmacsFrame)new;
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262 struct frame *f = ew->emacs_frame.frame;
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263
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264 if (!f)
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265 fatal ("can't create an emacs frame widget without a frame.");
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266 }
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267
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268 void emacs_Xt_event_handler (Widget wid /* unused */,
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269 XtPointer closure /* unused */,
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270 XEvent *event,
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271 Boolean *continue_to_dispatch /* unused */);
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272
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273 static void
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274 EmacsFrameRealize (Widget widget, XtValueMask *mask,
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275 XSetWindowAttributes *attrs)
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276 {
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277 EmacsFrame ew = (EmacsFrame) widget;
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278 struct frame *f = ew->emacs_frame.frame;
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279 Widget shell_widget = FRAME_X_SHELL_WIDGET (f);
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280
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2
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281 attrs->event_mask =
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282 ExposureMask |
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283 VisibilityChangeMask |
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284 PropertyChangeMask |
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285 StructureNotifyMask |
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286 SubstructureNotifyMask |
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287 /*SubstructureRedirectMask |*/ /* Only for WMs! */
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288 KeyPressMask |
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289 KeyReleaseMask |
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290 ButtonPressMask |
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291 ButtonReleaseMask |
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292 FocusChangeMask |
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293 PointerMotionHintMask |
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294 PointerMotionMask |
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295 LeaveWindowMask |
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296 EnterWindowMask;
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297
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0
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298
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299 #ifdef I18N4
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300 /* Make sure that events wanted by the input method are selected. */
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301 attrs->event_mask |= input_method_event_mask;
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302 #endif
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303
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304 *mask |= CWEventMask;
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305
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306 if (ew->emacs_frame.use_backing_store)
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307 {
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308 attrs->backing_store = Always;
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309 *mask |= CWBackingStore;
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310 }
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311 XtCreateWindow (widget, InputOutput, (Visual *)CopyFromParent, *mask,
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312 attrs);
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313
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314 /* snarf the events we want. */
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315 XtInsertEventHandler (widget, attrs->event_mask, TRUE,
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316 emacs_Xt_event_handler, NULL, XtListHead);
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317 /* some events (e.g. map-notify and WM_DELETE_WINDOW) get sent
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318 directly to the shell, and the above event handler won't see
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319 them. So add a handler to get them. These events don't
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320 propagate, so there's no danger of them being seen twice. */
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321 XtInsertEventHandler (shell_widget,
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322 EnterWindowMask | LeaveWindowMask |
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323 VisibilityChangeMask | StructureNotifyMask |
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324 KeyPressMask,
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325 TRUE, emacs_Xt_event_handler, NULL, XtListHead);
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326
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327 #ifdef EXTERNAL_WIDGET
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328 /* #### Not sure if this special case is necessary */
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329 if (!FRAME_X_EXTERNAL_WINDOW_P (f))
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330 #endif
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331 /* This is necessary under Motif in order to make it possible to click in
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332 a buffer and move focus out of a dialog box or control panel and back
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333 into emacs-land; also necessary so that you can still type chars
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334 if the cursor is over the menubar or scrollbar. */
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335 lw_set_keyboard_focus (shell_widget, FRAME_X_TEXT_WIDGET (f));
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336 }
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337
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338 /* DO NOT CALL THIS FUNCTION! Only Xt is supposed to do this. */
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339
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340 static void
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341 EmacsFrameResize (Widget widget)
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342 {
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343 EmacsFrame ew = (EmacsFrame)widget;
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344 struct frame *f = ew->emacs_frame.frame;
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345 int columns;
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346 int rows;
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347 XtWidgetGeometry req, repl;
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183
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348
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0
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349 pixel_to_char_size (f, ew->core.width, ew->core.height, &columns, &rows);
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350 update_various_frame_slots (ew);
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351 change_frame_size (f, rows, columns, 0);
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352
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353 /* Now we tell the EmacsShell that we've changed the size of the non-fixed
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354 portion of the frame. Note that, if we the resize occurred as a result
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355 of EmacsFrameSetCharSize(), this information will be stored twice.
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356 This is not a big deal, as storing this information doesn't actually
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357 do anything until the next resize. */
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358 if (FRAME_X_TOP_LEVEL_FRAME_P (f))
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359 x_wm_set_variable_size (FRAME_X_SHELL_WIDGET (f), columns, rows);
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360
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|
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361 /* Kick the manager so that it knows we've changed size. */
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362 req.request_mode = 0;
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363 XtQueryGeometry (FRAME_X_CONTAINER_WIDGET (f), &req, &repl);
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364 EmacsManagerChangeSize (FRAME_X_CONTAINER_WIDGET (f), repl.width,
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365 repl.height);
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366 }
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367
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368 static Boolean
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369 EmacsFrameSetValues (Widget cur_widget, Widget req_widget, Widget new_widget,
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370 ArgList dum1, Cardinal *dum2)
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|
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371 {
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372 EmacsFrame cur = (EmacsFrame) cur_widget;
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373 EmacsFrame new = (EmacsFrame) new_widget;
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374 Lisp_Object frame = Qnil;
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375
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376 XSETFRAME (frame, new->emacs_frame.frame);
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377 in_resource_setting++;
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378 /* This function does not need to do much. Pretty much everything
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|
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379 interesting will get done in the resize method, which will
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380 (if necessary) get called by Xt when this function returns
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381 (see below).
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|
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382 */
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383
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|
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384 /* #### This function will not work if it is not called from
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385 update_EmacsFrame(), called from SET_FACE_PROPERTY().
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386 The code located there should be moved inside of here instead,
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387 so that things work if either SET_FACE_PROPERTY() is
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388 called or XtSetValues() is called.
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|
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389 */
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|
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390
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|
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391 if (cur->emacs_frame.iconic != new->emacs_frame.iconic &&
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392 FRAME_X_TOP_LEVEL_FRAME_P (new->emacs_frame.frame))
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|
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393 x_wm_set_shell_iconic_p (FRAME_X_SHELL_WIDGET (new->emacs_frame.frame),
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|
394 new->emacs_frame.iconic);
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395
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|
|
396 if (!in_specifier_change_function)
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|
|
397 {
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|
|
398 /* If we got here, then we were likely called as a result of
|
|
|
399 the EditRes protocol, so go ahead and change scrollbar-width
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|
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400 and scrollbar-height. Otherwise, we're merely mirroring
|
|
|
401 a change made to scrollbar-width etc. so don't do anything
|
|
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402 special. */
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403 #ifdef HAVE_SCROLLBARS
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404 if (cur->emacs_frame.scrollbar_width !=
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405 new->emacs_frame.scrollbar_width)
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|
|
406 Fadd_spec_to_specifier
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|
|
407 (Vscrollbar_width,
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|
|
408 make_int (new->emacs_frame.scrollbar_width),
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|
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409 frame, Qnil, Qnil);
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|
|
410 if (cur->emacs_frame.scrollbar_height !=
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|
|
411 new->emacs_frame.scrollbar_height)
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|
|
412 Fadd_spec_to_specifier
|
|
|
413 (Vscrollbar_height,
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|
|
414 make_int (new->emacs_frame.scrollbar_height),
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|
|
415 frame, Qnil, Qnil);
|
|
183
|
416 #endif /* HAVE_SCROLLBARS */
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|
0
|
417 #ifdef HAVE_TOOLBARS
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|
|
418 if (cur->emacs_frame.top_toolbar_height !=
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|
419 new->emacs_frame.top_toolbar_height)
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|
|
420 Fadd_spec_to_specifier
|
|
|
421 (Vtoolbar_size[TOP_TOOLBAR],
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|
|
422 make_int (new->emacs_frame.top_toolbar_height),
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|
|
423 frame, Qnil, Qnil);
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|
|
424 if (cur->emacs_frame.bottom_toolbar_height !=
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|
|
425 new->emacs_frame.bottom_toolbar_height)
|
|
|
426 Fadd_spec_to_specifier
|
|
|
427 (Vtoolbar_size[BOTTOM_TOOLBAR],
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|
|
428 make_int (new->emacs_frame.bottom_toolbar_height),
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|
|
429 frame, Qnil, Qnil);
|
|
|
430 if (cur->emacs_frame.left_toolbar_width !=
|
|
|
431 new->emacs_frame.left_toolbar_width)
|
|
|
432 Fadd_spec_to_specifier
|
|
|
433 (Vtoolbar_size[LEFT_TOOLBAR],
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|
|
434 make_int (new->emacs_frame.left_toolbar_width),
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|
|
435 frame, Qnil, Qnil);
|
|
|
436 if (cur->emacs_frame.right_toolbar_width !=
|
|
|
437 new->emacs_frame.right_toolbar_width)
|
|
|
438 Fadd_spec_to_specifier
|
|
|
439 (Vtoolbar_size[RIGHT_TOOLBAR],
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|
|
440 make_int (new->emacs_frame.right_toolbar_width),
|
|
|
441 frame, Qnil, Qnil);
|
|
215
|
442 if (cur->emacs_frame.top_toolbar_border_width !=
|
|
|
443 new->emacs_frame.top_toolbar_border_width)
|
|
|
444 Fadd_spec_to_specifier
|
|
|
445 (Vtoolbar_border_width[TOP_TOOLBAR],
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|
|
446 make_int (new->emacs_frame.top_toolbar_border_width),
|
|
|
447 frame, Qnil, Qnil);
|
|
|
448 if (cur->emacs_frame.bottom_toolbar_border_width !=
|
|
|
449 new->emacs_frame.bottom_toolbar_border_width)
|
|
|
450 Fadd_spec_to_specifier
|
|
|
451 (Vtoolbar_border_width[BOTTOM_TOOLBAR],
|
|
|
452 make_int (new->emacs_frame.bottom_toolbar_border_width),
|
|
|
453 frame, Qnil, Qnil);
|
|
|
454 if (cur->emacs_frame.left_toolbar_border_width !=
|
|
|
455 new->emacs_frame.left_toolbar_border_width)
|
|
|
456 Fadd_spec_to_specifier
|
|
|
457 (Vtoolbar_border_width[LEFT_TOOLBAR],
|
|
|
458 make_int (new->emacs_frame.left_toolbar_border_width),
|
|
|
459 frame, Qnil, Qnil);
|
|
|
460 if (cur->emacs_frame.right_toolbar_border_width !=
|
|
|
461 new->emacs_frame.right_toolbar_border_width)
|
|
|
462 Fadd_spec_to_specifier
|
|
|
463 (Vtoolbar_border_width[RIGHT_TOOLBAR],
|
|
|
464 make_int (new->emacs_frame.right_toolbar_border_width),
|
|
|
465 frame, Qnil, Qnil);
|
|
183
|
466 #endif /* HAVE_TOOLBARS */
|
|
0
|
467 }
|
|
|
468 in_resource_setting--;
|
|
|
469
|
|
|
470 return False;
|
|
|
471
|
|
|
472 /* Note that if either (a) we return True, or (b) the width or
|
|
|
473 height has changed, an Expose event will be generated. The Xt
|
|
|
474 manual says you should not return True if the width or height has
|
|
|
475 changed, because then two Expose events will be generated.
|
|
|
476
|
|
|
477 In any case, there is no need to return True because
|
|
|
478 SET_FACE_PROPERTY(), which does the resource
|
|
|
479 setting, automatically forces a redisplay as necessary. */
|
|
|
480 }
|
|
|
481
|
|
|
482 static XtGeometryResult
|
|
|
483 EmacsFrameQueryGeometry (Widget widget, XtWidgetGeometry *request,
|
|
|
484 XtWidgetGeometry *result)
|
|
|
485 {
|
|
|
486 EmacsFrame ew = (EmacsFrame) widget;
|
|
|
487 int mask = request->request_mode;
|
|
|
488 Dimension width, height;
|
|
|
489 int ok_width_int, ok_height_int;
|
|
|
490 Dimension ok_width, ok_height;
|
|
|
491
|
|
|
492 /* We have a definite preference for what size we would like
|
|
|
493 to be.
|
|
|
494
|
|
|
495 1) If a preferred size was specified for us, use it.
|
|
|
496 (This is not currently used)
|
|
|
497 2) If a proposed size was given, round it to the nearest
|
|
|
498 multiple of the default char size and return it.
|
|
|
499 3) Otherwise, take our current size and round it to the
|
|
|
500 nearest multiple of the default char size. */
|
|
|
501
|
|
|
502 width = mask & CWWidth ? request->width : ew->core.width;
|
|
|
503 height = mask & CWHeight ? request->height : ew->core.height;
|
|
|
504 round_size_to_char (ew->emacs_frame.frame, width, height,
|
|
|
505 &ok_width_int, &ok_height_int);
|
|
|
506 ok_width = (Dimension) ok_width_int;
|
|
|
507 ok_height = (Dimension) ok_height_int;
|
|
|
508 if (ew->emacs_frame.preferred_width)
|
|
|
509 ok_width = ew->emacs_frame.preferred_width;
|
|
|
510 if (ew->emacs_frame.preferred_height)
|
|
|
511 ok_height = ew->emacs_frame.preferred_height;
|
|
|
512 result->request_mode |= CWWidth | CWHeight;
|
|
|
513 result->width = ok_width;
|
|
|
514 result->height = ok_height;
|
|
|
515 if (((mask & CWWidth) && ok_width != request->width)
|
|
|
516 || ((mask & CWHeight) && ok_height != request->height))
|
|
|
517 return XtGeometryAlmost;
|
|
|
518 else
|
|
|
519 return XtGeometryYes;
|
|
|
520 }
|
|
|
521
|
|
16
|
522 /* Xt string-to-scrollbar-placement converter */
|
|
|
523 /* ### Convert this to a `new-style' converter (See XtAddTypeConverter) */
|
|
0
|
524
|
|
|
525 /* This variable cannot be a stack variable. */
|
|
|
526 static unsigned char cvt_string_scrollbar_placement;
|
|
|
527
|
|
|
528 /* ARGSUSED */
|
|
|
529 static void
|
|
183
|
530 Xt_StringToScrollBarPlacement (XrmValuePtr args, /* unused */
|
|
|
531 Cardinal *num_args, /* unused */
|
|
|
532 XrmValuePtr fromVal,
|
|
|
533 XrmValuePtr toVal)
|
|
0
|
534 {
|
|
|
535 XrmQuark q;
|
|
183
|
536 char *lowerName = (char *) alloca (strlen ((char *) fromVal->addr) + 1);
|
|
|
537
|
|
70
|
538 XmuCopyISOLatin1Lowered (lowerName, (char *) fromVal->addr);
|
|
|
539 q = XrmStringToQuark (lowerName);
|
|
183
|
540
|
|
70
|
541 toVal->size = sizeof (cvt_string_scrollbar_placement);
|
|
185
|
542 toVal->addr = (XPointer) &cvt_string_scrollbar_placement;
|
|
70
|
543
|
|
183
|
544 if (q == XrmStringToQuark ("top_left"))
|
|
|
545 cvt_string_scrollbar_placement = XtTOP_LEFT;
|
|
|
546 else if (q == XrmStringToQuark ("bottom_left"))
|
|
|
547 cvt_string_scrollbar_placement = XtBOTTOM_LEFT;
|
|
|
548 else if (q == XrmStringToQuark ("top_right"))
|
|
|
549 cvt_string_scrollbar_placement = XtTOP_RIGHT;
|
|
|
550 else if (q == XrmStringToQuark ("bottom_right"))
|
|
|
551 cvt_string_scrollbar_placement = XtBOTTOM_RIGHT;
|
|
|
552 else
|
|
80
|
553 {
|
|
183
|
554 XtStringConversionWarning (fromVal->addr, "scrollBarPlacement");
|
|
|
555 toVal->addr = NULL;
|
|
|
556 toVal->size = 0;
|
|
80
|
557 }
|
|
0
|
558 }
|
|
|
559
|
|
|
560 static void
|
|
|
561 EmacsFrameClassInitialize (void)
|
|
|
562 {
|
|
|
563 XtAddConverter (XtRString, XtRScrollBarPlacement,
|
|
183
|
564 Xt_StringToScrollBarPlacement, NULL, 0);
|
|
0
|
565 }
|
|
|
566
|
|
|
567 /********************* Special entrypoints *******************/
|
|
|
568
|
|
|
569 void
|
|
|
570 EmacsFrameRecomputeCellSize (Widget w)
|
|
|
571 {
|
|
|
572 EmacsFrame ew = (EmacsFrame) w;
|
|
|
573 int cw, ch;
|
|
|
574 struct frame *f = ew->emacs_frame.frame;
|
|
|
575
|
|
|
576 if (! XtIsSubclass (w, emacsFrameClass))
|
|
|
577 abort ();
|
|
|
578
|
|
|
579 default_face_height_and_width (make_frame (f), &ch, &cw);
|
|
|
580 if (FRAME_X_TOP_LEVEL_FRAME_P (f))
|
|
|
581 x_wm_set_cell_size (FRAME_X_SHELL_WIDGET (f), cw, ch);
|
|
|
582 }
|
|
|
583
|
|
|
584 /* Set the size of the widget to have the number of rows and columns
|
|
|
585 specified. This both causes the X window to change and the
|
|
|
586 internal frame structures to get modified to match. */
|
|
|
587
|
|
|
588 void
|
|
|
589 EmacsFrameSetCharSize (Widget widget, int columns, int rows)
|
|
|
590 {
|
|
|
591 EmacsFrame ew = (EmacsFrame) widget;
|
|
|
592 int pixel_width, pixel_height;
|
|
|
593 struct frame *f = ew->emacs_frame.frame;
|
|
165
|
594 Arg al [2];
|
|
0
|
595
|
|
|
596 if (columns < 3)
|
|
|
597 columns = 3; /* no way buddy */
|
|
|
598 if (rows < 1)
|
|
|
599 rows = 1;
|
|
|
600
|
|
|
601 char_to_pixel_size (f, columns, rows, &pixel_width, &pixel_height);
|
|
|
602
|
|
|
603 if (FRAME_X_TOP_LEVEL_FRAME_P (f))
|
|
|
604 x_wm_set_variable_size (FRAME_X_SHELL_WIDGET (f), columns, rows);
|
|
|
605
|
|
165
|
606 XtSetArg (al [0], XtNwidth, (Dimension) pixel_width);
|
|
|
607 XtSetArg (al [1], XtNheight, (Dimension) pixel_height);
|
|
|
608 XtSetValues ((Widget) ew, al, 2);
|
|
0
|
609 }
|
