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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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872
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32 #include "device-impl.h"
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800
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33 #include "faces.h"
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872
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34 #include "frame-impl.h"
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800
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35 #include "toolbar.h"
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36 #include "window.h"
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37
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872
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38 #include "console-x-impl.h"
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428
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39 #include "glyphs-x.h"
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40 #include "objects-x.h"
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800
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41
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428
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42 #include <X11/Shell.h>
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43 #include "EmacsFrameP.h"
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44 #include "EmacsManager.h" /* for EmacsManagerChangeSize */
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45 #include "xmu.h"
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46
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47 static void EmacsFrameClassInitialize (void);
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48 static void EmacsFrameInitialize (Widget, Widget, ArgList, Cardinal *);
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49 static void EmacsFrameRealize (Widget, XtValueMask*, XSetWindowAttributes*);
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50 static void EmacsFrameResize (Widget widget);
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51 static Boolean EmacsFrameSetValues (Widget, Widget, Widget,
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52 ArgList, Cardinal *);
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53 static XtGeometryResult EmacsFrameQueryGeometry (Widget, XtWidgetGeometry*,
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54 XtWidgetGeometry*);
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55
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56 extern void
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57 emacs_Xt_mapping_action (Widget w, XEvent* event);
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58
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59 #undef XtOffset
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60 #define XtOffset(p_type,field) \
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61 ((Cardinal) (((char *) (&(((p_type)0)->field))) - ((char *)0)))
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440
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62 #define offset(field) XtOffset (EmacsFrame, emacs_frame.field)
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428
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63
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64 static XtResource resources[] = {
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440
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65 { XtNgeometry, XtCGeometry,
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66 XtRString, sizeof (String),
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67 offset (geometry), XtRString, (XtPointer) 0 },
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68 { XtNiconic, XtCIconic,
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69 XtRBoolean, sizeof (Boolean),
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70 offset (iconic), XtRImmediate, (XtPointer) False },
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428
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71
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440
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72 { XtNemacsFrame, XtCEmacsFrame,
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73 XtRPointer, sizeof (XtPointer),
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74 offset (frame), XtRImmediate, 0 },
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75 { XtNmenubar, XtCMenubar,
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76 XtRBoolean, sizeof (Boolean),
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77 offset (menubar_p), XtRImmediate, (XtPointer) True },
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78 { XtNinitiallyUnmapped, XtCInitiallyUnmapped,
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79 XtRBoolean, sizeof (Boolean),
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80 offset (initially_unmapped), XtRImmediate, (XtPointer) False },
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81 { XtNminibuffer, XtCMinibuffer,
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82 XtRBoolean, sizeof (Boolean),
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83 offset (minibuffer), XtRImmediate, (XtPointer) True },
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84 { XtNunsplittable, XtCUnsplittable,
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85 XtRBoolean, sizeof (Boolean),
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86 offset (unsplittable), XtRImmediate, (XtPointer) False },
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87 { XtNinternalBorderWidth, XtCInternalBorderWidth,
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88 XtRInt, sizeof (int),
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89 offset (internal_border_width), XtRImmediate, (XtPointer)4 },
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428
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90 #ifdef HAVE_SCROLLBARS
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440
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91 { XtNscrollBarWidth, XtCScrollBarWidth,
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92 XtRInt, sizeof (int),
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93 offset (scrollbar_width), XtRImmediate, (XtPointer)-1 },
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94 { XtNscrollBarHeight, XtCScrollBarHeight,
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95 XtRInt, sizeof (int),
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96 offset (scrollbar_height), XtRImmediate, (XtPointer)-1 },
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97 { XtNscrollBarPlacement, XtCScrollBarPlacement,
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98 XtRScrollBarPlacement, sizeof (unsigned char),
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99 offset (scrollbar_placement), XtRImmediate,
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428
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100 #if defined (LWLIB_SCROLLBARS_MOTIF) || defined (LWLIB_SCROLLBARS_LUCID) || \
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101 defined (LWLIB_SCROLLBARS_ATHENA3D)
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440
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102 (XtPointer) XtBOTTOM_RIGHT
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428
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103 #else
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440
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104 (XtPointer) XtBOTTOM_LEFT
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428
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105 #endif
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106 },
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107 #endif /* HAVE_SCROLLBARS */
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440
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108
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428
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109 #ifdef HAVE_TOOLBARS
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440
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110 { XtNtopToolBarHeight, XtCTopToolBarHeight,
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111 XtRInt, sizeof (int),
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112 offset (top_toolbar_height), XtRImmediate, (XtPointer)-1 },
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113 { XtNbottomToolBarHeight, XtCBottomToolBarHeight,
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114 XtRInt, sizeof (int),
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115 offset (bottom_toolbar_height), XtRImmediate, (XtPointer)-1 },
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116 { XtNleftToolBarWidth, XtCLeftToolBarWidth,
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117 XtRInt, sizeof (int),
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118 offset (left_toolbar_width), XtRImmediate, (XtPointer)-1 },
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119 { XtNrightToolBarWidth, XtCRightToolBarWidth,
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120 XtRInt, sizeof (int),
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121 offset (right_toolbar_width), XtRImmediate, (XtPointer)-1 },
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122 { XtNtopToolBarBorderWidth, XtCTopToolBarBorderWidth,
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123 XtRInt, sizeof (int),
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124 offset (top_toolbar_border_width), XtRImmediate, (XtPointer)-1 },
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125 { XtNbottomToolBarBorderWidth, XtCBottomToolBarBorderWidth,
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126 XtRInt, sizeof (int),
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127 offset (bottom_toolbar_border_width), XtRImmediate, (XtPointer)-1 },
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128 { XtNleftToolBarBorderWidth, XtCLeftToolBarBorderWidth,
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129 XtRInt, sizeof (int),
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130 offset (left_toolbar_border_width), XtRImmediate, (XtPointer)-1 },
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131 { XtNrightToolBarBorderWidth, XtCRightToolBarBorderWidth,
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132 XtRInt, sizeof (int),
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133 offset (right_toolbar_border_width), XtRImmediate, (XtPointer)-1 },
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134 { XtNtoolBarShadowThickness, XtCToolBarShadowThickness,
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135 XtRDimension, sizeof (Dimension),
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136 offset (toolbar_shadow_thickness), XtRImmediate, (XtPointer)2 },
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428
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137 #endif /* HAVE_TOOLBARS */
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440
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138
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139 { XtNinterline, XtCInterline,
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140 XtRInt, sizeof (int),
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141 offset (interline), XtRImmediate, (XtPointer)0 },
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428
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142 {
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440
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143 XtNfont, XtCFont,
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144 XtRFontStruct, sizeof (XFontStruct *),
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428
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145 offset(font), XtRImmediate, (XtPointer)0
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146 },
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440
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147 { XtNforeground, XtCForeground,
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148 XtRPixel, sizeof (Pixel),
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149 offset(foreground_pixel), XtRString, (XtPointer) "Black" },
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150 { XtNbackground, XtCBackground,
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151 XtRPixel, sizeof (Pixel),
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152 offset(background_pixel), XtRString, (XtPointer) "Gray80" },
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153 { XtNcursorColor, XtCForeground,
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154 XtRPixel, sizeof (Pixel),
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155 offset(cursor_color), XtRString, (XtPointer) "XtDefaultForeground" },
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156 { XtNbarCursor, XtCBarCursor,
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157 XtRBoolean, sizeof (Boolean),
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158 offset (bar_cursor), XtRImmediate, (XtPointer)0 },
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159 { XtNvisualBell, XtCVisualBell,
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160 XtRBoolean, sizeof (Boolean),
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161 offset (visual_bell), XtRImmediate, (XtPointer)0 },
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162 { XtNbellVolume, XtCBellVolume,
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163 XtRInt, sizeof (int),
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164 offset (bell_volume), XtRImmediate, (XtPointer)0 },
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165 { XtNuseBackingStore, XtCUseBackingStore,
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166 XtRBoolean, sizeof (Boolean),
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167 offset (use_backing_store), XtRImmediate, (XtPointer)0 },
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168 { XtNpreferredWidth, XtCPreferredWidth,
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169 XtRDimension, sizeof (Dimension),
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170 offset (preferred_width), XtRImmediate, (XtPointer)0 },
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171 { XtNpreferredHeight, XtCPreferredHeight,
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172 XtRDimension, sizeof (Dimension),
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173 offset (preferred_height), XtRImmediate, (XtPointer)0 },
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428
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174 };
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175
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176 #undef offset
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177
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178 /* Xt is stupid and dumb.
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179 Xt is stupid and dumb.
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180 Xt is stupid and dumb. */
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181
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182 static XtActionsRec
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183 emacsFrameActionsTable [] = {
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184 {"mapping", (XtActionProc) emacs_Xt_mapping_action},
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185 };
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186
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187 static char
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188 emacsFrameTranslations [] = "\
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189 <Mapping>: mapping()\n\
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190 ";
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191
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192 /* If we're running under Motif, make this widget a subclass
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193 of XmPrimitive. It's not clear this is necessary, but it
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194 may make focus behavior work better. */
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195
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196 EmacsFrameClassRec emacsFrameClassRec = {
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197 { /* core fields */
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198 #ifdef LWLIB_USES_MOTIF
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199 /* superclass */ (WidgetClass) &xmPrimitiveClassRec,
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200 #else
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201 /* superclass */ &widgetClassRec,
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202 #endif
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203 /* class_name */ "EmacsFrame",
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440
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204 /* widget_size */ sizeof (EmacsFrameRec),
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428
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205 /* class_initialize */ EmacsFrameClassInitialize,
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206 /* class_part_initialize */ 0,
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207 /* class_inited */ FALSE,
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208 /* initialize */ EmacsFrameInitialize,
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209 /* initialize_hook */ 0,
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210 /* realize */ EmacsFrameRealize,
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211 /* actions */ emacsFrameActionsTable,
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212 /* num_actions */ XtNumber (emacsFrameActionsTable),
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213 /* resources */ resources,
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440
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214 /* resource_count */ XtNumber (resources),
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428
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215 /* xrm_class */ NULLQUARK,
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216 /* compress_motion */ TRUE,
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217 /* compress_exposure */ TRUE,
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218 /* compress_enterleave */ TRUE,
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219 /* visible_interest */ FALSE,
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220 /* destroy */ NULL,
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221 /* resize */ EmacsFrameResize,
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222 /* expose */ XtInheritExpose,
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223 /* set_values */ EmacsFrameSetValues,
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224 /* set_values_hook */ 0,
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225 /* set_values_almost */ XtInheritSetValuesAlmost,
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226 /* get_values_hook */ 0,
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227 /* accept_focus */ XtInheritAcceptFocus,
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228 /* version */ XtVersion,
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229 /* callback_private */ 0,
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230 /* tm_table */ emacsFrameTranslations,
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231 /* query_geometry */ EmacsFrameQueryGeometry,
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232 /* display_accelerator */ XtInheritDisplayAccelerator,
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233 /* extension */ 0
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234 },
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235 #ifdef LWLIB_USES_MOTIF
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236 { /* XmPrimitiveClassPart
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237 */
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238 (XtWidgetProc) _XtInherit, /* border_highlight */
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239 (XtWidgetProc) _XtInherit, /* border_unhighlight */
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240 /* Setting the following to NULL causes PrimitiveInitialize()
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241 not to add traversal (TAB etc. to switch focus) and
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242 focus-in/out (border highlight/unhighlight) translations.
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243 If you want those translations, use the value XtInheritTranslations
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244 instead. Doing this, however, will interfere with Emacs
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245 focus handling (which highlights/unhighlights the text cursor),
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246 and will lead to strange display results around the border of the
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247 widget. */
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248 NULL, /* translations */
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249 NULL, /* arm_and_activate */
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250 NULL, /* get resources */
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251 0, /* num get_resources */
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252 NULL, /* extension */
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253 },
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254 #endif /* LWLIB_USES_MOTIF */
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255 {
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256 0
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257 }
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258 };
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259 WidgetClass emacsFrameClass = (WidgetClass) &emacsFrameClassRec;
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260
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261 static void
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262 update_various_frame_slots (EmacsFrame ew)
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263 {
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264 ew->emacs_frame.frame->pixheight = ew->core.height;
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265 ew->emacs_frame.frame->pixwidth = ew->core.width;
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266 }
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267
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268 static void
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269 EmacsFrameInitialize (Widget request, Widget new,
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270 ArgList dum1, Cardinal *dum2)
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271 {
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272 EmacsFrame ew = (EmacsFrame)new;
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273 struct frame *f = ew->emacs_frame.frame;
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274
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275 if (!f)
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276 fatal ("can't create an emacs frame widget without a frame.");
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277
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278 ew->emacs_frame.frame->internal_border_width =
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279 ew->emacs_frame.internal_border_width;
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280 }
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281
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282 void emacs_Xt_event_handler (Widget wid /* unused */,
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283 XtPointer closure /* unused */,
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284 XEvent *event,
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285 Boolean *continue_to_dispatch /* unused */);
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286
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287 static void
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288 EmacsFrameRealize (Widget widget, XtValueMask *mask,
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289 XSetWindowAttributes *attrs)
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290 {
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291 EmacsFrame ew = (EmacsFrame) widget;
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292 struct frame *f = ew->emacs_frame.frame;
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293 Widget shell_widget = FRAME_X_SHELL_WIDGET (f);
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294
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295 attrs->event_mask =
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296 ExposureMask |
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297 VisibilityChangeMask |
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298 PropertyChangeMask |
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299 StructureNotifyMask |
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300 SubstructureNotifyMask |
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301 /*SubstructureRedirectMask |*/ /* Only for WMs! */
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302 KeyPressMask |
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303 KeyReleaseMask |
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304 ButtonPressMask |
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305 ButtonReleaseMask |
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306 FocusChangeMask |
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307 PointerMotionHintMask |
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308 PointerMotionMask |
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309 LeaveWindowMask |
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310 EnterWindowMask;
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311
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312
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313 *mask |= CWEventMask;
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314
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315 if (ew->emacs_frame.use_backing_store)
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316 {
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317 attrs->backing_store = Always;
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318 *mask |= CWBackingStore;
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319 }
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320 XtCreateWindow (widget, InputOutput, (Visual *)CopyFromParent, *mask,
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321 attrs);
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322
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323 /* snarf the events we want. */
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324 XtInsertEventHandler (widget, attrs->event_mask, TRUE,
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325 emacs_Xt_event_handler, NULL, XtListHead);
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326 /* some events (e.g. map-notify and WM_DELETE_WINDOW) get sent
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327 directly to the shell, and the above event handler won't see
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328 them. So add a handler to get them. These events don't
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329 propagate, so there's no danger of them being seen twice. */
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330 XtInsertEventHandler (shell_widget,
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331 EnterWindowMask | LeaveWindowMask |
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332 VisibilityChangeMask | StructureNotifyMask |
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333 KeyPressMask,
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334 TRUE, emacs_Xt_event_handler, NULL, XtListHead);
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335
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336 #ifdef EXTERNAL_WIDGET
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337 /* #### Not sure if this special case is necessary */
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338 if (!FRAME_X_EXTERNAL_WINDOW_P (f))
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339 #endif
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340 /* This is necessary under Motif in order to make it possible to click in
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341 a buffer and move focus out of a dialog box or control panel and back
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342 into emacs-land; also necessary so that you can still type chars
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343 if the cursor is over the menubar or scrollbar. */
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344 lw_set_keyboard_focus (shell_widget, FRAME_X_TEXT_WIDGET (f));
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345 }
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346
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347 /* DO NOT CALL THIS FUNCTION! Only Xt is supposed to do this. */
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348
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349 static void
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350 EmacsFrameResize (Widget widget)
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351 {
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352 EmacsFrame ew = (EmacsFrame)widget;
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353 struct frame *f = ew->emacs_frame.frame;
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354 int columns;
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355 int rows;
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356 XtWidgetGeometry req, repl;
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357
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358 update_various_frame_slots (ew);
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359
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360 pixel_to_char_size (f, ew->core.width, ew->core.height, &columns, &rows);
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361 change_frame_size (f, rows, columns, 0);
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362
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363 /* Now we tell the EmacsShell that we've changed the size of the non-fixed
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364 portion of the frame. Note that, if we the resize occurred as a result
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365 of EmacsFrameSetCharSize(), this information will be stored twice.
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366 This is not a big deal, as storing this information doesn't actually
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367 do anything until the next resize. */
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|
|
368 if (FRAME_X_TOP_LEVEL_FRAME_P (f))
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|
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369 x_wm_set_variable_size (FRAME_X_SHELL_WIDGET (f), columns, rows);
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|
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370
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|
|
371 /* Kick the manager so that it knows we've changed size. */
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|
|
372 req.request_mode = 0;
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|
|
373 XtQueryGeometry (FRAME_X_CONTAINER_WIDGET (f), &req, &repl);
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|
|
374 EmacsManagerChangeSize (FRAME_X_CONTAINER_WIDGET (f), repl.width,
|
|
|
375 repl.height);
|
|
|
376 }
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|
|
377
|
|
|
378 static Boolean
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|
|
379 EmacsFrameSetValues (Widget cur_widget, Widget req_widget, Widget new_widget,
|
|
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380 ArgList argv, Cardinal *argc)
|
|
|
381 {
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|
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382 EmacsFrame cur = (EmacsFrame) cur_widget;
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|
|
383 EmacsFrame new = (EmacsFrame) new_widget;
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|
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384 struct frame *f = new->emacs_frame.frame;
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|
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385 in_resource_setting++;
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|
|
386 /* This function does not need to do much. Pretty much everything
|
|
|
387 interesting will get done in the resize method, which will
|
|
|
388 (if necessary) get called by Xt when this function returns
|
|
|
389 (see below).
|
|
|
390 */
|
|
|
391
|
|
|
392 /* #### This function will not work if it is not called from
|
|
|
393 update_EmacsFrame(), called from SET_FACE_PROPERTY().
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|
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394 The code located there should be moved inside of here instead,
|
|
|
395 so that things work if either SET_FACE_PROPERTY() is
|
|
|
396 called or XtSetValues() is called.
|
|
|
397 */
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|
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398
|
|
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399 if (cur->emacs_frame.iconic != new->emacs_frame.iconic &&
|
|
|
400 FRAME_X_TOP_LEVEL_FRAME_P (new->emacs_frame.frame))
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|
|
401 x_wm_set_shell_iconic_p (FRAME_X_SHELL_WIDGET (new->emacs_frame.frame),
|
|
|
402 new->emacs_frame.iconic);
|
|
|
403
|
|
|
404 /* If we got here, then we were likely called as a result of
|
|
|
405 the EditRes protocol, so go ahead and change scrollbar-width
|
|
|
406 and scrollbar-height. Otherwise, we're merely mirroring
|
|
|
407 a change made to scrollbar-width etc. so don't do anything
|
|
|
408 special. */
|
|
|
409 if (cur->emacs_frame.internal_border_width !=
|
|
|
410 new->emacs_frame.internal_border_width)
|
|
|
411 {
|
|
|
412 f->internal_border_width = new->emacs_frame.internal_border_width;
|
|
|
413 MARK_FRAME_SIZE_SLIPPED (f);
|
|
|
414 }
|
|
|
415
|
|
|
416 #ifdef HAVE_SCROLLBARS
|
|
|
417 if (cur->emacs_frame.scrollbar_width !=
|
|
|
418 new->emacs_frame.scrollbar_width)
|
|
|
419 Fadd_spec_to_specifier
|
|
|
420 (Vscrollbar_width,
|
|
|
421 make_int (new->emacs_frame.scrollbar_width),
|
|
872
|
422 wrap_frame (f), Qnil, Qnil);
|
|
428
|
423 if (cur->emacs_frame.scrollbar_height !=
|
|
|
424 new->emacs_frame.scrollbar_height)
|
|
|
425 Fadd_spec_to_specifier
|
|
|
426 (Vscrollbar_height,
|
|
|
427 make_int (new->emacs_frame.scrollbar_height),
|
|
872
|
428 wrap_frame (f), Qnil, Qnil);
|
|
428
|
429 #endif /* HAVE_SCROLLBARS */
|
|
|
430 #ifdef HAVE_TOOLBARS
|
|
|
431 if (cur->emacs_frame.top_toolbar_height !=
|
|
|
432 new->emacs_frame.top_toolbar_height)
|
|
|
433 Fadd_spec_to_specifier
|
|
|
434 (Vtoolbar_size[TOP_TOOLBAR],
|
|
|
435 make_int (new->emacs_frame.top_toolbar_height),
|
|
872
|
436 wrap_frame (f), Qnil, Qnil);
|
|
428
|
437 if (cur->emacs_frame.bottom_toolbar_height !=
|
|
|
438 new->emacs_frame.bottom_toolbar_height)
|
|
|
439 Fadd_spec_to_specifier
|
|
|
440 (Vtoolbar_size[BOTTOM_TOOLBAR],
|
|
|
441 make_int (new->emacs_frame.bottom_toolbar_height),
|
|
872
|
442 wrap_frame (f), Qnil, Qnil);
|
|
428
|
443 if (cur->emacs_frame.left_toolbar_width !=
|
|
|
444 new->emacs_frame.left_toolbar_width)
|
|
|
445 Fadd_spec_to_specifier
|
|
|
446 (Vtoolbar_size[LEFT_TOOLBAR],
|
|
|
447 make_int (new->emacs_frame.left_toolbar_width),
|
|
872
|
448 wrap_frame (f), Qnil, Qnil);
|
|
428
|
449 if (cur->emacs_frame.right_toolbar_width !=
|
|
|
450 new->emacs_frame.right_toolbar_width)
|
|
|
451 Fadd_spec_to_specifier
|
|
|
452 (Vtoolbar_size[RIGHT_TOOLBAR],
|
|
|
453 make_int (new->emacs_frame.right_toolbar_width),
|
|
872
|
454 wrap_frame (f), Qnil, Qnil);
|
|
428
|
455 if (cur->emacs_frame.top_toolbar_border_width !=
|
|
|
456 new->emacs_frame.top_toolbar_border_width)
|
|
|
457 Fadd_spec_to_specifier
|
|
|
458 (Vtoolbar_border_width[TOP_TOOLBAR],
|
|
|
459 make_int (new->emacs_frame.top_toolbar_border_width),
|
|
872
|
460 wrap_frame (f), Qnil, Qnil);
|
|
428
|
461 if (cur->emacs_frame.bottom_toolbar_border_width !=
|
|
|
462 new->emacs_frame.bottom_toolbar_border_width)
|
|
|
463 Fadd_spec_to_specifier
|
|
|
464 (Vtoolbar_border_width[BOTTOM_TOOLBAR],
|
|
|
465 make_int (new->emacs_frame.bottom_toolbar_border_width),
|
|
872
|
466 wrap_frame (f), Qnil, Qnil);
|
|
428
|
467 if (cur->emacs_frame.left_toolbar_border_width !=
|
|
|
468 new->emacs_frame.left_toolbar_border_width)
|
|
|
469 Fadd_spec_to_specifier
|
|
|
470 (Vtoolbar_border_width[LEFT_TOOLBAR],
|
|
|
471 make_int (new->emacs_frame.left_toolbar_border_width),
|
|
872
|
472 wrap_frame (f), Qnil, Qnil);
|
|
428
|
473 if (cur->emacs_frame.right_toolbar_border_width !=
|
|
|
474 new->emacs_frame.right_toolbar_border_width)
|
|
|
475 Fadd_spec_to_specifier
|
|
|
476 (Vtoolbar_border_width[RIGHT_TOOLBAR],
|
|
|
477 make_int (new->emacs_frame.right_toolbar_border_width),
|
|
872
|
478 wrap_frame (f), Qnil, Qnil);
|
|
428
|
479 #endif /* HAVE_TOOLBARS */
|
|
|
480
|
|
|
481 in_resource_setting--;
|
|
|
482
|
|
|
483 /* If the request was to resize us, but the size has not changed, Xt
|
|
|
484 will do nothing, and won't call our resize callback. Since such a
|
|
|
485 request might be issued as a result of hiding/showing menubar or
|
|
|
486 changing toolbar placement, where we rely on relayout made by the
|
|
|
487 callback, we go ahead and simulate such a call */
|
|
|
488 if (cur->core.width == new->core.width
|
|
|
489 && cur->core.height == new->core.height)
|
|
|
490 {
|
|
|
491 int i;
|
|
647
|
492 for (i = 0; i < (int) *argc; i++)
|
|
428
|
493 if (strcmp (argv[i].name, XtNwidth) == 0
|
|
|
494 || strcmp (argv[i].name, XtNheight) == 0)
|
|
|
495 {
|
|
|
496 EmacsFrameResize (new_widget);
|
|
|
497 break;
|
|
|
498 }
|
|
|
499 }
|
|
|
500
|
|
|
501 return False;
|
|
|
502
|
|
|
503 /* Note that if either (a) we return True, or (b) the width or
|
|
|
504 height has changed, an Expose event will be generated. The Xt
|
|
|
505 manual says you should not return True if the width or height has
|
|
|
506 changed, because then two Expose events will be generated.
|
|
|
507
|
|
|
508 In any case, there is no need to return True because
|
|
|
509 SET_FACE_PROPERTY(), which does the resource
|
|
|
510 setting, automatically forces a redisplay as necessary. */
|
|
|
511 }
|
|
|
512
|
|
|
513 static XtGeometryResult
|
|
|
514 EmacsFrameQueryGeometry (Widget widget, XtWidgetGeometry *request,
|
|
|
515 XtWidgetGeometry *result)
|
|
|
516 {
|
|
|
517 EmacsFrame ew = (EmacsFrame) widget;
|
|
|
518 int mask = request->request_mode;
|
|
|
519 Dimension width, height;
|
|
|
520 int ok_width_int, ok_height_int;
|
|
|
521 Dimension ok_width, ok_height;
|
|
|
522
|
|
|
523 /* We have a definite preference for what size we would like
|
|
|
524 to be.
|
|
|
525
|
|
|
526 1) If a preferred size was specified for us, use it.
|
|
|
527 (This is not currently used)
|
|
|
528 2) If a proposed size was given, round it to the nearest
|
|
|
529 multiple of the default char size and return it.
|
|
|
530 3) Otherwise, take our current size and round it to the
|
|
|
531 nearest multiple of the default char size. */
|
|
|
532
|
|
|
533 width = mask & CWWidth ? request->width : ew->core.width;
|
|
|
534 height = mask & CWHeight ? request->height : ew->core.height;
|
|
|
535 round_size_to_char (ew->emacs_frame.frame, width, height,
|
|
|
536 &ok_width_int, &ok_height_int);
|
|
|
537 ok_width = (Dimension) ok_width_int;
|
|
|
538 ok_height = (Dimension) ok_height_int;
|
|
|
539 if (ew->emacs_frame.preferred_width)
|
|
|
540 ok_width = ew->emacs_frame.preferred_width;
|
|
|
541 if (ew->emacs_frame.preferred_height)
|
|
|
542 ok_height = ew->emacs_frame.preferred_height;
|
|
|
543 result->request_mode |= CWWidth | CWHeight;
|
|
|
544 result->width = ok_width;
|
|
|
545 result->height = ok_height;
|
|
|
546 if (((mask & CWWidth) && ok_width != request->width)
|
|
|
547 || ((mask & CWHeight) && ok_height != request->height))
|
|
|
548 return XtGeometryAlmost;
|
|
|
549 else
|
|
|
550 return XtGeometryYes;
|
|
|
551 }
|
|
|
552
|
|
|
553 /* Xt string-to-scrollbar-placement converter */
|
|
440
|
554 /* #### Convert this to a `new-style' converter (See XtAddTypeConverter) */
|
|
428
|
555
|
|
|
556 /* This variable cannot be a stack variable. */
|
|
|
557 static unsigned char cvt_string_scrollbar_placement;
|
|
|
558
|
|
|
559 /* ARGSUSED */
|
|
|
560 static void
|
|
|
561 Xt_StringToScrollBarPlacement (XrmValuePtr args, /* unused */
|
|
|
562 Cardinal *num_args, /* unused */
|
|
|
563 XrmValuePtr fromVal,
|
|
|
564 XrmValuePtr toVal)
|
|
|
565 {
|
|
|
566 XrmQuark q;
|
|
851
|
567 char *lowerName = (char *) ALLOCA (strlen ((char *) fromVal->addr) + 1);
|
|
428
|
568
|
|
|
569 XmuCopyISOLatin1Lowered (lowerName, (char *) fromVal->addr);
|
|
|
570 q = XrmStringToQuark (lowerName);
|
|
|
571
|
|
|
572 toVal->size = sizeof (cvt_string_scrollbar_placement);
|
|
|
573 toVal->addr = (XPointer) &cvt_string_scrollbar_placement;
|
|
|
574
|
|
|
575 if (q == XrmStringToQuark ("top-left")
|
|
|
576 || q == XrmStringToQuark ("top_left"))
|
|
|
577 cvt_string_scrollbar_placement = XtTOP_LEFT;
|
|
|
578 else if (q == XrmStringToQuark ("bottom-left")
|
|
|
579 || q == XrmStringToQuark ("bottom_left"))
|
|
|
580 cvt_string_scrollbar_placement = XtBOTTOM_LEFT;
|
|
|
581 else if (q == XrmStringToQuark ("top-right")
|
|
|
582 || q == XrmStringToQuark ("top_right"))
|
|
|
583 cvt_string_scrollbar_placement = XtTOP_RIGHT;
|
|
|
584 else if (q == XrmStringToQuark ("bottom-right")
|
|
|
585 || q == XrmStringToQuark ("bottom_right"))
|
|
|
586 cvt_string_scrollbar_placement = XtBOTTOM_RIGHT;
|
|
|
587 else
|
|
|
588 {
|
|
|
589 XtStringConversionWarning (fromVal->addr, "scrollBarPlacement");
|
|
|
590 toVal->addr = NULL;
|
|
|
591 toVal->size = 0;
|
|
|
592 }
|
|
|
593 }
|
|
|
594
|
|
|
595 static void
|
|
|
596 EmacsFrameClassInitialize (void)
|
|
|
597 {
|
|
|
598 XtAddConverter (XtRString, XtRScrollBarPlacement,
|
|
|
599 Xt_StringToScrollBarPlacement, NULL, 0);
|
|
|
600 }
|
|
|
601
|
|
|
602 /********************* Special entrypoints *******************/
|
|
|
603
|
|
|
604 void
|
|
|
605 EmacsFrameRecomputeCellSize (Widget w)
|
|
|
606 {
|
|
|
607 EmacsFrame ew = (EmacsFrame) w;
|
|
|
608 int cw, ch;
|
|
|
609 struct frame *f = ew->emacs_frame.frame;
|
|
|
610
|
|
|
611 if (! XtIsSubclass (w, emacsFrameClass))
|
|
|
612 abort ();
|
|
|
613
|
|
771
|
614 default_face_height_and_width (wrap_frame (f), &ch, &cw);
|
|
428
|
615 if (FRAME_X_TOP_LEVEL_FRAME_P (f))
|
|
|
616 x_wm_set_cell_size (FRAME_X_SHELL_WIDGET (f), cw, ch);
|
|
|
617 }
|
|
|
618
|
|
|
619 /* Set the size of the widget to have the number of rows and columns
|
|
|
620 specified. This both causes the X window to change and the
|
|
|
621 internal frame structures to get modified to match. */
|
|
|
622
|
|
|
623 void
|
|
|
624 EmacsFrameSetCharSize (Widget widget, int columns, int rows)
|
|
|
625 {
|
|
|
626 EmacsFrame ew = (EmacsFrame) widget;
|
|
|
627 int pixel_width, pixel_height;
|
|
|
628 struct frame *f = ew->emacs_frame.frame;
|
|
|
629
|
|
|
630 if (columns < 3)
|
|
|
631 columns = 3; /* no way buddy */
|
|
|
632 if (rows < 1)
|
|
|
633 rows = 1;
|
|
|
634
|
|
|
635 char_to_pixel_size (f, columns, rows, &pixel_width, &pixel_height);
|
|
|
636
|
|
|
637 if (FRAME_X_TOP_LEVEL_FRAME_P (f))
|
|
|
638 x_wm_set_variable_size (FRAME_X_SHELL_WIDGET (f), columns, rows);
|
|
|
639
|
|
|
640 {
|
|
|
641 Arg al [2];
|
|
|
642 XtSetArg (al [0], XtNwidth, pixel_width);
|
|
|
643 XtSetArg (al [1], XtNheight, pixel_height);
|
|
|
644 XtSetValues ((Widget) ew, al, countof (al));
|
|
|
645 }
|
|
|
646 }
|
