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428
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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 "window.h"
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44
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45 static void EmacsFrameClassInitialize (void);
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46 static void EmacsFrameInitialize (Widget, Widget, ArgList, Cardinal *);
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47 static void EmacsFrameRealize (Widget, XtValueMask*, XSetWindowAttributes*);
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48 static void EmacsFrameResize (Widget widget);
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49 static Boolean EmacsFrameSetValues (Widget, Widget, Widget,
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50 ArgList, Cardinal *);
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51 static XtGeometryResult EmacsFrameQueryGeometry (Widget, XtWidgetGeometry*,
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52 XtWidgetGeometry*);
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53
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54 extern void
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55 emacs_Xt_mapping_action (Widget w, XEvent* event);
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56
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57 #undef XtOffset
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58 #define XtOffset(p_type,field) \
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59 ((Cardinal) (((char *) (&(((p_type)0)->field))) - ((char *)0)))
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440
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60 #define offset(field) XtOffset (EmacsFrame, emacs_frame.field)
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428
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61
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62 static XtResource resources[] = {
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440
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63 { XtNgeometry, XtCGeometry,
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64 XtRString, sizeof (String),
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65 offset (geometry), XtRString, (XtPointer) 0 },
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66 { XtNiconic, XtCIconic,
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67 XtRBoolean, sizeof (Boolean),
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68 offset (iconic), XtRImmediate, (XtPointer) False },
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428
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69
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440
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70 { XtNemacsFrame, XtCEmacsFrame,
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71 XtRPointer, sizeof (XtPointer),
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72 offset (frame), XtRImmediate, 0 },
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73 { XtNmenubar, XtCMenubar,
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74 XtRBoolean, sizeof (Boolean),
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75 offset (menubar_p), XtRImmediate, (XtPointer) True },
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76 { XtNinitiallyUnmapped, XtCInitiallyUnmapped,
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77 XtRBoolean, sizeof (Boolean),
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78 offset (initially_unmapped), XtRImmediate, (XtPointer) False },
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79 { XtNminibuffer, XtCMinibuffer,
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80 XtRBoolean, sizeof (Boolean),
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81 offset (minibuffer), XtRImmediate, (XtPointer) True },
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82 { XtNunsplittable, XtCUnsplittable,
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83 XtRBoolean, sizeof (Boolean),
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84 offset (unsplittable), XtRImmediate, (XtPointer) False },
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85 { XtNinternalBorderWidth, XtCInternalBorderWidth,
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86 XtRInt, sizeof (int),
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87 offset (internal_border_width), XtRImmediate, (XtPointer)4 },
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428
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88 #ifdef HAVE_SCROLLBARS
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440
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89 { XtNscrollBarWidth, XtCScrollBarWidth,
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90 XtRInt, sizeof (int),
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91 offset (scrollbar_width), XtRImmediate, (XtPointer)-1 },
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92 { XtNscrollBarHeight, XtCScrollBarHeight,
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93 XtRInt, sizeof (int),
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94 offset (scrollbar_height), XtRImmediate, (XtPointer)-1 },
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95 { XtNscrollBarPlacement, XtCScrollBarPlacement,
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96 XtRScrollBarPlacement, sizeof (unsigned char),
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97 offset (scrollbar_placement), XtRImmediate,
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428
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98 #if defined (LWLIB_SCROLLBARS_MOTIF) || defined (LWLIB_SCROLLBARS_LUCID) || \
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99 defined (LWLIB_SCROLLBARS_ATHENA3D)
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440
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100 (XtPointer) XtBOTTOM_RIGHT
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428
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101 #else
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440
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102 (XtPointer) XtBOTTOM_LEFT
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428
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103 #endif
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104 },
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105 #endif /* HAVE_SCROLLBARS */
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440
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106
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428
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107 #ifdef HAVE_TOOLBARS
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440
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108 { XtNtopToolBarHeight, XtCTopToolBarHeight,
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109 XtRInt, sizeof (int),
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110 offset (top_toolbar_height), XtRImmediate, (XtPointer)-1 },
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111 { XtNbottomToolBarHeight, XtCBottomToolBarHeight,
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112 XtRInt, sizeof (int),
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113 offset (bottom_toolbar_height), XtRImmediate, (XtPointer)-1 },
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114 { XtNleftToolBarWidth, XtCLeftToolBarWidth,
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115 XtRInt, sizeof (int),
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116 offset (left_toolbar_width), XtRImmediate, (XtPointer)-1 },
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117 { XtNrightToolBarWidth, XtCRightToolBarWidth,
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118 XtRInt, sizeof (int),
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119 offset (right_toolbar_width), XtRImmediate, (XtPointer)-1 },
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120 { XtNtopToolBarBorderWidth, XtCTopToolBarBorderWidth,
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121 XtRInt, sizeof (int),
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122 offset (top_toolbar_border_width), XtRImmediate, (XtPointer)-1 },
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123 { XtNbottomToolBarBorderWidth, XtCBottomToolBarBorderWidth,
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124 XtRInt, sizeof (int),
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125 offset (bottom_toolbar_border_width), XtRImmediate, (XtPointer)-1 },
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126 { XtNleftToolBarBorderWidth, XtCLeftToolBarBorderWidth,
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127 XtRInt, sizeof (int),
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128 offset (left_toolbar_border_width), XtRImmediate, (XtPointer)-1 },
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129 { XtNrightToolBarBorderWidth, XtCRightToolBarBorderWidth,
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130 XtRInt, sizeof (int),
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131 offset (right_toolbar_border_width), XtRImmediate, (XtPointer)-1 },
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132 { XtNtopToolBarShadowColor, XtCTopToolBarShadowColor,
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133 XtRPixel, sizeof (Pixel),
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134 offset(top_toolbar_shadow_pixel), XtRString, (XtPointer) "#000000" },
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135 { XtNbottomToolBarShadowColor, XtCBottomToolBarShadowColor,
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136 XtRPixel, sizeof (Pixel),
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137 offset (bottom_toolbar_shadow_pixel), XtRString, (XtPointer) "#000000" },
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138 { XtNbackgroundToolBarColor, XtCBackgroundToolBarColor,
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139 XtRPixel, sizeof (Pixel),
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140 offset (background_toolbar_pixel), XtRImmediate, (XtPointer)-1 },
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141 { XtNforegroundToolBarColor, XtCForegroundToolBarColor,
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142 XtRPixel, sizeof (Pixel),
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143 offset (foreground_toolbar_pixel), XtRImmediate, (XtPointer)-1 },
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144 { XtNtopToolBarShadowPixmap, XtCTopToolBarShadowPixmap,
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145 XtRPixmap, sizeof (Pixmap),
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146 offset (top_toolbar_shadow_pixmap), XtRImmediate, (XtPointer)None },
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147 { XtNbottomToolBarShadowPixmap, XtCBottomToolBarShadowPixmap,
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148 XtRPixmap, sizeof (Pixmap),
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149 offset (bottom_toolbar_shadow_pixmap), XtRImmediate, (XtPointer)None },
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150 { XtNtoolBarShadowThickness, XtCToolBarShadowThickness,
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151 XtRDimension, sizeof (Dimension),
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152 offset (toolbar_shadow_thickness), XtRImmediate, (XtPointer)2 },
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428
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153 #endif /* HAVE_TOOLBARS */
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440
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154
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155 { XtNinterline, XtCInterline,
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156 XtRInt, sizeof (int),
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157 offset (interline), XtRImmediate, (XtPointer)0 },
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428
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158 {
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440
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159 XtNfont, XtCFont,
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160 XtRFontStruct, sizeof (XFontStruct *),
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428
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161 offset(font), XtRImmediate, (XtPointer)0
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162 },
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440
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163 { XtNforeground, XtCForeground,
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164 XtRPixel, sizeof (Pixel),
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165 offset(foreground_pixel), XtRString, (XtPointer) "Black" },
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166 { XtNbackground, XtCBackground,
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167 XtRPixel, sizeof (Pixel),
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168 offset(background_pixel), XtRString, (XtPointer) "Gray80" },
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169 { XtNcursorColor, XtCForeground,
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170 XtRPixel, sizeof (Pixel),
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171 offset(cursor_color), XtRString, (XtPointer) "XtDefaultForeground" },
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172 { XtNbarCursor, XtCBarCursor,
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173 XtRBoolean, sizeof (Boolean),
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174 offset (bar_cursor), XtRImmediate, (XtPointer)0 },
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175 { XtNvisualBell, XtCVisualBell,
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176 XtRBoolean, sizeof (Boolean),
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177 offset (visual_bell), XtRImmediate, (XtPointer)0 },
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178 { XtNbellVolume, XtCBellVolume,
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179 XtRInt, sizeof (int),
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180 offset (bell_volume), XtRImmediate, (XtPointer)0 },
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181 { XtNuseBackingStore, XtCUseBackingStore,
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182 XtRBoolean, sizeof (Boolean),
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183 offset (use_backing_store), XtRImmediate, (XtPointer)0 },
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184 { XtNpreferredWidth, XtCPreferredWidth,
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185 XtRDimension, sizeof (Dimension),
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186 offset (preferred_width), XtRImmediate, (XtPointer)0 },
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187 { XtNpreferredHeight, XtCPreferredHeight,
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188 XtRDimension, sizeof (Dimension),
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189 offset (preferred_height), XtRImmediate, (XtPointer)0 },
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428
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190 };
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191
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192 #undef offset
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193
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194 /* Xt is stupid and dumb.
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195 Xt is stupid and dumb.
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196 Xt is stupid and dumb. */
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197
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198 static XtActionsRec
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199 emacsFrameActionsTable [] = {
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200 {"mapping", (XtActionProc) emacs_Xt_mapping_action},
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201 };
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202
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203 static char
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204 emacsFrameTranslations [] = "\
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205 <Mapping>: mapping()\n\
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206 ";
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207
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208 /* If we're running under Motif, make this widget a subclass
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209 of XmPrimitive. It's not clear this is necessary, but it
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210 may make focus behavior work better. */
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211
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212 EmacsFrameClassRec emacsFrameClassRec = {
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213 { /* core fields */
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214 #ifdef LWLIB_USES_MOTIF
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215 /* superclass */ (WidgetClass) &xmPrimitiveClassRec,
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216 #else
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217 /* superclass */ &widgetClassRec,
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218 #endif
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219 /* class_name */ "EmacsFrame",
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440
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220 /* widget_size */ sizeof (EmacsFrameRec),
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428
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221 /* class_initialize */ EmacsFrameClassInitialize,
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222 /* class_part_initialize */ 0,
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223 /* class_inited */ FALSE,
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224 /* initialize */ EmacsFrameInitialize,
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225 /* initialize_hook */ 0,
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226 /* realize */ EmacsFrameRealize,
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227 /* actions */ emacsFrameActionsTable,
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228 /* num_actions */ XtNumber (emacsFrameActionsTable),
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229 /* resources */ resources,
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440
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230 /* resource_count */ XtNumber (resources),
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428
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231 /* xrm_class */ NULLQUARK,
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232 /* compress_motion */ TRUE,
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233 /* compress_exposure */ TRUE,
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234 /* compress_enterleave */ TRUE,
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235 /* visible_interest */ FALSE,
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236 /* destroy */ NULL,
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237 /* resize */ EmacsFrameResize,
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238 /* expose */ XtInheritExpose,
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239 /* set_values */ EmacsFrameSetValues,
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240 /* set_values_hook */ 0,
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241 /* set_values_almost */ XtInheritSetValuesAlmost,
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242 /* get_values_hook */ 0,
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243 /* accept_focus */ XtInheritAcceptFocus,
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244 /* version */ XtVersion,
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245 /* callback_private */ 0,
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246 /* tm_table */ emacsFrameTranslations,
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247 /* query_geometry */ EmacsFrameQueryGeometry,
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248 /* display_accelerator */ XtInheritDisplayAccelerator,
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249 /* extension */ 0
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250 },
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251 #ifdef LWLIB_USES_MOTIF
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252 { /* XmPrimitiveClassPart
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253 */
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254 (XtWidgetProc) _XtInherit, /* border_highlight */
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255 (XtWidgetProc) _XtInherit, /* border_unhighlight */
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256 /* Setting the following to NULL causes PrimitiveInitialize()
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257 not to add traversal (TAB etc. to switch focus) and
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258 focus-in/out (border highlight/unhighlight) translations.
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259 If you want those translations, use the value XtInheritTranslations
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260 instead. Doing this, however, will interfere with Emacs
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261 focus handling (which highlights/unhighlights the text cursor),
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262 and will lead to strange display results around the border of the
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263 widget. */
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264 NULL, /* translations */
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265 NULL, /* arm_and_activate */
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266 NULL, /* get resources */
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267 0, /* num get_resources */
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268 NULL, /* extension */
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269 },
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270 #endif /* LWLIB_USES_MOTIF */
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271 {
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272 0
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273 }
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274 };
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275 WidgetClass emacsFrameClass = (WidgetClass) &emacsFrameClassRec;
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276
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277 static void
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278 update_various_frame_slots (EmacsFrame ew)
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279 {
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280 ew->emacs_frame.frame->pixheight = ew->core.height;
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281 ew->emacs_frame.frame->pixwidth = ew->core.width;
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282 }
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283
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284 static void
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285 EmacsFrameInitialize (Widget request, Widget new,
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286 ArgList dum1, Cardinal *dum2)
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287 {
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288 EmacsFrame ew = (EmacsFrame)new;
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289 struct frame *f = ew->emacs_frame.frame;
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290
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291 if (!f)
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292 fatal ("can't create an emacs frame widget without a frame.");
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293
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294 ew->emacs_frame.frame->internal_border_width =
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295 ew->emacs_frame.internal_border_width;
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296 }
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297
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298 void emacs_Xt_event_handler (Widget wid /* unused */,
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299 XtPointer closure /* unused */,
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300 XEvent *event,
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301 Boolean *continue_to_dispatch /* unused */);
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302
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303 static void
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304 EmacsFrameRealize (Widget widget, XtValueMask *mask,
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305 XSetWindowAttributes *attrs)
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306 {
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307 EmacsFrame ew = (EmacsFrame) widget;
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308 struct frame *f = ew->emacs_frame.frame;
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309 Widget shell_widget = FRAME_X_SHELL_WIDGET (f);
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310
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311 attrs->event_mask =
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312 ExposureMask |
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313 VisibilityChangeMask |
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314 PropertyChangeMask |
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315 StructureNotifyMask |
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316 SubstructureNotifyMask |
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317 /*SubstructureRedirectMask |*/ /* Only for WMs! */
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318 KeyPressMask |
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319 KeyReleaseMask |
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320 ButtonPressMask |
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321 ButtonReleaseMask |
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322 FocusChangeMask |
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323 PointerMotionHintMask |
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324 PointerMotionMask |
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325 LeaveWindowMask |
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326 EnterWindowMask;
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327
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328
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329 *mask |= CWEventMask;
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330
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331 if (ew->emacs_frame.use_backing_store)
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332 {
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333 attrs->backing_store = Always;
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334 *mask |= CWBackingStore;
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335 }
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336 XtCreateWindow (widget, InputOutput, (Visual *)CopyFromParent, *mask,
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337 attrs);
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338
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339 /* snarf the events we want. */
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340 XtInsertEventHandler (widget, attrs->event_mask, TRUE,
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341 emacs_Xt_event_handler, NULL, XtListHead);
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342 /* some events (e.g. map-notify and WM_DELETE_WINDOW) get sent
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343 directly to the shell, and the above event handler won't see
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344 them. So add a handler to get them. These events don't
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345 propagate, so there's no danger of them being seen twice. */
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346 XtInsertEventHandler (shell_widget,
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347 EnterWindowMask | LeaveWindowMask |
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348 VisibilityChangeMask | StructureNotifyMask |
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349 KeyPressMask,
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350 TRUE, emacs_Xt_event_handler, NULL, XtListHead);
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351
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352 #ifdef EXTERNAL_WIDGET
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353 /* #### Not sure if this special case is necessary */
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354 if (!FRAME_X_EXTERNAL_WINDOW_P (f))
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355 #endif
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356 /* This is necessary under Motif in order to make it possible to click in
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357 a buffer and move focus out of a dialog box or control panel and back
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358 into emacs-land; also necessary so that you can still type chars
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359 if the cursor is over the menubar or scrollbar. */
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360 lw_set_keyboard_focus (shell_widget, FRAME_X_TEXT_WIDGET (f));
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|
361 }
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|
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362
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363 /* DO NOT CALL THIS FUNCTION! Only Xt is supposed to do this. */
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364
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|
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365 static void
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366 EmacsFrameResize (Widget widget)
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367 {
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|
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368 EmacsFrame ew = (EmacsFrame)widget;
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369 struct frame *f = ew->emacs_frame.frame;
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370 int columns;
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|
|
371 int rows;
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|
372 XtWidgetGeometry req, repl;
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373
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374 update_various_frame_slots (ew);
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375
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376 pixel_to_char_size (f, ew->core.width, ew->core.height, &columns, &rows);
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377 change_frame_size (f, rows, columns, 0);
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378
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379 /* Now we tell the EmacsShell that we've changed the size of the non-fixed
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380 portion of the frame. Note that, if we the resize occurred as a result
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381 of EmacsFrameSetCharSize(), this information will be stored twice.
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382 This is not a big deal, as storing this information doesn't actually
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383 do anything until the next resize. */
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384 if (FRAME_X_TOP_LEVEL_FRAME_P (f))
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385 x_wm_set_variable_size (FRAME_X_SHELL_WIDGET (f), columns, rows);
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386
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387 /* Kick the manager so that it knows we've changed size. */
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388 req.request_mode = 0;
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389 XtQueryGeometry (FRAME_X_CONTAINER_WIDGET (f), &req, &repl);
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390 EmacsManagerChangeSize (FRAME_X_CONTAINER_WIDGET (f), repl.width,
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|
391 repl.height);
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392 }
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393
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394 static Boolean
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395 EmacsFrameSetValues (Widget cur_widget, Widget req_widget, Widget new_widget,
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396 ArgList argv, Cardinal *argc)
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397 {
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398 EmacsFrame cur = (EmacsFrame) cur_widget;
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399 EmacsFrame new = (EmacsFrame) new_widget;
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|
400 struct frame *f = new->emacs_frame.frame;
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|
401 Lisp_Object frame;
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402
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403 XSETFRAME (frame, f);
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404 in_resource_setting++;
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405 /* This function does not need to do much. Pretty much everything
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406 interesting will get done in the resize method, which will
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407 (if necessary) get called by Xt when this function returns
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408 (see below).
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409 */
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410
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|
411 /* #### This function will not work if it is not called from
|
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|
412 update_EmacsFrame(), called from SET_FACE_PROPERTY().
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413 The code located there should be moved inside of here instead,
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|
414 so that things work if either SET_FACE_PROPERTY() is
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|
|
415 called or XtSetValues() is called.
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|
|
416 */
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417
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|
|
418 if (cur->emacs_frame.iconic != new->emacs_frame.iconic &&
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|
|
419 FRAME_X_TOP_LEVEL_FRAME_P (new->emacs_frame.frame))
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|
|
420 x_wm_set_shell_iconic_p (FRAME_X_SHELL_WIDGET (new->emacs_frame.frame),
|
|
|
421 new->emacs_frame.iconic);
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|
|
422
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|
|
423 /* If we got here, then we were likely called as a result of
|
|
|
424 the EditRes protocol, so go ahead and change scrollbar-width
|
|
|
425 and scrollbar-height. Otherwise, we're merely mirroring
|
|
|
426 a change made to scrollbar-width etc. so don't do anything
|
|
|
427 special. */
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|
|
428 if (cur->emacs_frame.internal_border_width !=
|
|
|
429 new->emacs_frame.internal_border_width)
|
|
|
430 {
|
|
|
431 f->internal_border_width = new->emacs_frame.internal_border_width;
|
|
|
432 MARK_FRAME_SIZE_SLIPPED (f);
|
|
|
433 }
|
|
|
434
|
|
|
435 #ifdef HAVE_SCROLLBARS
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|
|
436 if (cur->emacs_frame.scrollbar_width !=
|
|
|
437 new->emacs_frame.scrollbar_width)
|
|
|
438 Fadd_spec_to_specifier
|
|
|
439 (Vscrollbar_width,
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|
|
440 make_int (new->emacs_frame.scrollbar_width),
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|
|
441 frame, Qnil, Qnil);
|
|
|
442 if (cur->emacs_frame.scrollbar_height !=
|
|
|
443 new->emacs_frame.scrollbar_height)
|
|
|
444 Fadd_spec_to_specifier
|
|
|
445 (Vscrollbar_height,
|
|
|
446 make_int (new->emacs_frame.scrollbar_height),
|
|
|
447 frame, Qnil, Qnil);
|
|
|
448 #endif /* HAVE_SCROLLBARS */
|
|
|
449 #ifdef HAVE_TOOLBARS
|
|
|
450 if (cur->emacs_frame.top_toolbar_height !=
|
|
|
451 new->emacs_frame.top_toolbar_height)
|
|
|
452 Fadd_spec_to_specifier
|
|
|
453 (Vtoolbar_size[TOP_TOOLBAR],
|
|
|
454 make_int (new->emacs_frame.top_toolbar_height),
|
|
|
455 frame, Qnil, Qnil);
|
|
|
456 if (cur->emacs_frame.bottom_toolbar_height !=
|
|
|
457 new->emacs_frame.bottom_toolbar_height)
|
|
|
458 Fadd_spec_to_specifier
|
|
|
459 (Vtoolbar_size[BOTTOM_TOOLBAR],
|
|
|
460 make_int (new->emacs_frame.bottom_toolbar_height),
|
|
|
461 frame, Qnil, Qnil);
|
|
|
462 if (cur->emacs_frame.left_toolbar_width !=
|
|
|
463 new->emacs_frame.left_toolbar_width)
|
|
|
464 Fadd_spec_to_specifier
|
|
|
465 (Vtoolbar_size[LEFT_TOOLBAR],
|
|
|
466 make_int (new->emacs_frame.left_toolbar_width),
|
|
|
467 frame, Qnil, Qnil);
|
|
|
468 if (cur->emacs_frame.right_toolbar_width !=
|
|
|
469 new->emacs_frame.right_toolbar_width)
|
|
|
470 Fadd_spec_to_specifier
|
|
|
471 (Vtoolbar_size[RIGHT_TOOLBAR],
|
|
|
472 make_int (new->emacs_frame.right_toolbar_width),
|
|
|
473 frame, Qnil, Qnil);
|
|
|
474 if (cur->emacs_frame.top_toolbar_border_width !=
|
|
|
475 new->emacs_frame.top_toolbar_border_width)
|
|
|
476 Fadd_spec_to_specifier
|
|
|
477 (Vtoolbar_border_width[TOP_TOOLBAR],
|
|
|
478 make_int (new->emacs_frame.top_toolbar_border_width),
|
|
|
479 frame, Qnil, Qnil);
|
|
|
480 if (cur->emacs_frame.bottom_toolbar_border_width !=
|
|
|
481 new->emacs_frame.bottom_toolbar_border_width)
|
|
|
482 Fadd_spec_to_specifier
|
|
|
483 (Vtoolbar_border_width[BOTTOM_TOOLBAR],
|
|
|
484 make_int (new->emacs_frame.bottom_toolbar_border_width),
|
|
|
485 frame, Qnil, Qnil);
|
|
|
486 if (cur->emacs_frame.left_toolbar_border_width !=
|
|
|
487 new->emacs_frame.left_toolbar_border_width)
|
|
|
488 Fadd_spec_to_specifier
|
|
|
489 (Vtoolbar_border_width[LEFT_TOOLBAR],
|
|
|
490 make_int (new->emacs_frame.left_toolbar_border_width),
|
|
|
491 frame, Qnil, Qnil);
|
|
|
492 if (cur->emacs_frame.right_toolbar_border_width !=
|
|
|
493 new->emacs_frame.right_toolbar_border_width)
|
|
|
494 Fadd_spec_to_specifier
|
|
|
495 (Vtoolbar_border_width[RIGHT_TOOLBAR],
|
|
|
496 make_int (new->emacs_frame.right_toolbar_border_width),
|
|
|
497 frame, Qnil, Qnil);
|
|
|
498 #endif /* HAVE_TOOLBARS */
|
|
|
499
|
|
|
500 in_resource_setting--;
|
|
|
501
|
|
|
502 /* If the request was to resize us, but the size has not changed, Xt
|
|
|
503 will do nothing, and won't call our resize callback. Since such a
|
|
|
504 request might be issued as a result of hiding/showing menubar or
|
|
|
505 changing toolbar placement, where we rely on relayout made by the
|
|
|
506 callback, we go ahead and simulate such a call */
|
|
|
507 if (cur->core.width == new->core.width
|
|
|
508 && cur->core.height == new->core.height)
|
|
|
509 {
|
|
|
510 int i;
|
|
647
|
511 for (i = 0; i < (int) *argc; i++)
|
|
428
|
512 if (strcmp (argv[i].name, XtNwidth) == 0
|
|
|
513 || strcmp (argv[i].name, XtNheight) == 0)
|
|
|
514 {
|
|
|
515 EmacsFrameResize (new_widget);
|
|
|
516 break;
|
|
|
517 }
|
|
|
518 }
|
|
|
519
|
|
|
520 return False;
|
|
|
521
|
|
|
522 /* Note that if either (a) we return True, or (b) the width or
|
|
|
523 height has changed, an Expose event will be generated. The Xt
|
|
|
524 manual says you should not return True if the width or height has
|
|
|
525 changed, because then two Expose events will be generated.
|
|
|
526
|
|
|
527 In any case, there is no need to return True because
|
|
|
528 SET_FACE_PROPERTY(), which does the resource
|
|
|
529 setting, automatically forces a redisplay as necessary. */
|
|
|
530 }
|
|
|
531
|
|
|
532 static XtGeometryResult
|
|
|
533 EmacsFrameQueryGeometry (Widget widget, XtWidgetGeometry *request,
|
|
|
534 XtWidgetGeometry *result)
|
|
|
535 {
|
|
|
536 EmacsFrame ew = (EmacsFrame) widget;
|
|
|
537 int mask = request->request_mode;
|
|
|
538 Dimension width, height;
|
|
|
539 int ok_width_int, ok_height_int;
|
|
|
540 Dimension ok_width, ok_height;
|
|
|
541
|
|
|
542 /* We have a definite preference for what size we would like
|
|
|
543 to be.
|
|
|
544
|
|
|
545 1) If a preferred size was specified for us, use it.
|
|
|
546 (This is not currently used)
|
|
|
547 2) If a proposed size was given, round it to the nearest
|
|
|
548 multiple of the default char size and return it.
|
|
|
549 3) Otherwise, take our current size and round it to the
|
|
|
550 nearest multiple of the default char size. */
|
|
|
551
|
|
|
552 width = mask & CWWidth ? request->width : ew->core.width;
|
|
|
553 height = mask & CWHeight ? request->height : ew->core.height;
|
|
|
554 round_size_to_char (ew->emacs_frame.frame, width, height,
|
|
|
555 &ok_width_int, &ok_height_int);
|
|
|
556 ok_width = (Dimension) ok_width_int;
|
|
|
557 ok_height = (Dimension) ok_height_int;
|
|
|
558 if (ew->emacs_frame.preferred_width)
|
|
|
559 ok_width = ew->emacs_frame.preferred_width;
|
|
|
560 if (ew->emacs_frame.preferred_height)
|
|
|
561 ok_height = ew->emacs_frame.preferred_height;
|
|
|
562 result->request_mode |= CWWidth | CWHeight;
|
|
|
563 result->width = ok_width;
|
|
|
564 result->height = ok_height;
|
|
|
565 if (((mask & CWWidth) && ok_width != request->width)
|
|
|
566 || ((mask & CWHeight) && ok_height != request->height))
|
|
|
567 return XtGeometryAlmost;
|
|
|
568 else
|
|
|
569 return XtGeometryYes;
|
|
|
570 }
|
|
|
571
|
|
|
572 /* Xt string-to-scrollbar-placement converter */
|
|
440
|
573 /* #### Convert this to a `new-style' converter (See XtAddTypeConverter) */
|
|
428
|
574
|
|
|
575 /* This variable cannot be a stack variable. */
|
|
|
576 static unsigned char cvt_string_scrollbar_placement;
|
|
|
577
|
|
|
578 /* ARGSUSED */
|
|
|
579 static void
|
|
|
580 Xt_StringToScrollBarPlacement (XrmValuePtr args, /* unused */
|
|
|
581 Cardinal *num_args, /* unused */
|
|
|
582 XrmValuePtr fromVal,
|
|
|
583 XrmValuePtr toVal)
|
|
|
584 {
|
|
|
585 XrmQuark q;
|
|
|
586 char *lowerName = (char *) alloca (strlen ((char *) fromVal->addr) + 1);
|
|
|
587
|
|
|
588 XmuCopyISOLatin1Lowered (lowerName, (char *) fromVal->addr);
|
|
|
589 q = XrmStringToQuark (lowerName);
|
|
|
590
|
|
|
591 toVal->size = sizeof (cvt_string_scrollbar_placement);
|
|
|
592 toVal->addr = (XPointer) &cvt_string_scrollbar_placement;
|
|
|
593
|
|
|
594 if (q == XrmStringToQuark ("top-left")
|
|
|
595 || q == XrmStringToQuark ("top_left"))
|
|
|
596 cvt_string_scrollbar_placement = XtTOP_LEFT;
|
|
|
597 else if (q == XrmStringToQuark ("bottom-left")
|
|
|
598 || q == XrmStringToQuark ("bottom_left"))
|
|
|
599 cvt_string_scrollbar_placement = XtBOTTOM_LEFT;
|
|
|
600 else if (q == XrmStringToQuark ("top-right")
|
|
|
601 || q == XrmStringToQuark ("top_right"))
|
|
|
602 cvt_string_scrollbar_placement = XtTOP_RIGHT;
|
|
|
603 else if (q == XrmStringToQuark ("bottom-right")
|
|
|
604 || q == XrmStringToQuark ("bottom_right"))
|
|
|
605 cvt_string_scrollbar_placement = XtBOTTOM_RIGHT;
|
|
|
606 else
|
|
|
607 {
|
|
|
608 XtStringConversionWarning (fromVal->addr, "scrollBarPlacement");
|
|
|
609 toVal->addr = NULL;
|
|
|
610 toVal->size = 0;
|
|
|
611 }
|
|
|
612 }
|
|
|
613
|
|
|
614 static void
|
|
|
615 EmacsFrameClassInitialize (void)
|
|
|
616 {
|
|
|
617 XtAddConverter (XtRString, XtRScrollBarPlacement,
|
|
|
618 Xt_StringToScrollBarPlacement, NULL, 0);
|
|
|
619 }
|
|
|
620
|
|
|
621 /********************* Special entrypoints *******************/
|
|
|
622
|
|
|
623 void
|
|
|
624 EmacsFrameRecomputeCellSize (Widget w)
|
|
|
625 {
|
|
|
626 EmacsFrame ew = (EmacsFrame) w;
|
|
|
627 int cw, ch;
|
|
|
628 struct frame *f = ew->emacs_frame.frame;
|
|
|
629
|
|
|
630 if (! XtIsSubclass (w, emacsFrameClass))
|
|
|
631 abort ();
|
|
|
632
|
|
771
|
633 default_face_height_and_width (wrap_frame (f), &ch, &cw);
|
|
428
|
634 if (FRAME_X_TOP_LEVEL_FRAME_P (f))
|
|
|
635 x_wm_set_cell_size (FRAME_X_SHELL_WIDGET (f), cw, ch);
|
|
|
636 }
|
|
|
637
|
|
|
638 /* Set the size of the widget to have the number of rows and columns
|
|
|
639 specified. This both causes the X window to change and the
|
|
|
640 internal frame structures to get modified to match. */
|
|
|
641
|
|
|
642 void
|
|
|
643 EmacsFrameSetCharSize (Widget widget, int columns, int rows)
|
|
|
644 {
|
|
|
645 EmacsFrame ew = (EmacsFrame) widget;
|
|
|
646 int pixel_width, pixel_height;
|
|
|
647 struct frame *f = ew->emacs_frame.frame;
|
|
|
648
|
|
|
649 if (columns < 3)
|
|
|
650 columns = 3; /* no way buddy */
|
|
|
651 if (rows < 1)
|
|
|
652 rows = 1;
|
|
|
653
|
|
|
654 char_to_pixel_size (f, columns, rows, &pixel_width, &pixel_height);
|
|
|
655
|
|
|
656 if (FRAME_X_TOP_LEVEL_FRAME_P (f))
|
|
|
657 x_wm_set_variable_size (FRAME_X_SHELL_WIDGET (f), columns, rows);
|
|
|
658
|
|
|
659 {
|
|
|
660 Arg al [2];
|
|
|
661 XtSetArg (al [0], XtNwidth, pixel_width);
|
|
|
662 XtSetArg (al [1], XtNheight, pixel_height);
|
|
|
663 XtSetValues ((Widget) ew, al, countof (al));
|
|
|
664 }
|
|
|
665 }
|
