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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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60 #define offset(field) XtOffset(EmacsFrame, emacs_frame.field)
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61
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62 static XtResource resources[] = {
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63 {XtNgeometry, XtCGeometry, XtRString, sizeof(String),
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64 offset (geometry), XtRString, (XtPointer) 0},
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65 {XtNiconic, XtCIconic, XtRBoolean, sizeof(Boolean),
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66 offset (iconic), XtRImmediate, (XtPointer) False},
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67
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68 {XtNemacsFrame, XtCEmacsFrame, XtRPointer, sizeof (XtPointer),
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69 offset (frame), XtRImmediate, 0},
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70 {XtNmenubar, XtCMenubar, XtRBoolean, sizeof (Boolean),
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71 offset (menubar_p), XtRImmediate, (XtPointer) True},
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72 {XtNinitiallyUnmapped, XtCInitiallyUnmapped, XtRBoolean, sizeof (Boolean),
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73 offset (initially_unmapped), XtRImmediate, (XtPointer) False},
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74 {XtNminibuffer, XtCMinibuffer, XtRBoolean, sizeof (Boolean),
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75 offset (minibuffer), XtRImmediate, (XtPointer) True},
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76 {XtNunsplittable, XtCUnsplittable, XtRBoolean, sizeof (Boolean),
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77 offset (unsplittable), XtRImmediate, (XtPointer) False},
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78 {XtNinternalBorderWidth, XtCInternalBorderWidth, XtRInt, sizeof (int),
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79 offset (internal_border_width), XtRImmediate, (XtPointer)4},
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80 #ifdef HAVE_SCROLLBARS
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81 {XtNscrollBarWidth, XtCScrollBarWidth, XtRInt, sizeof (int),
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82 offset (scrollbar_width), XtRImmediate, (XtPointer)-1},
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83 {XtNscrollBarHeight, XtCScrollBarHeight, XtRInt, sizeof (int),
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84 offset (scrollbar_height), XtRImmediate, (XtPointer)-1},
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85 {XtNscrollBarPlacement, XtCScrollBarPlacement, XtRScrollBarPlacement,
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86 sizeof(unsigned char), offset(scrollbar_placement), XtRImmediate,
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87 #if defined (LWLIB_SCROLLBARS_MOTIF) || defined (LWLIB_SCROLLBARS_LUCID) || \
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88 defined (LWLIB_SCROLLBARS_ATHENA3D)
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89 (XtPointer) XtBOTTOM_RIGHT
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90 #else
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91 (XtPointer) XtBOTTOM_LEFT
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92 #endif
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93 },
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94 #endif /* HAVE_SCROLLBARS */
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95 #ifdef HAVE_TOOLBARS
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96 {XtNtopToolBarHeight, XtCTopToolBarHeight, XtRInt, sizeof (int),
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97 offset (top_toolbar_height), XtRImmediate, (XtPointer)-1},
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98 {XtNbottomToolBarHeight, XtCBottomToolBarHeight, XtRInt, sizeof (int),
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99 offset (bottom_toolbar_height), XtRImmediate, (XtPointer)-1},
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100 {XtNleftToolBarWidth, XtCLeftToolBarWidth, XtRInt, sizeof (int),
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101 offset (left_toolbar_width), XtRImmediate, (XtPointer)-1},
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102 {XtNrightToolBarWidth, XtCRightToolBarWidth, XtRInt, sizeof (int),
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103 offset (right_toolbar_width), XtRImmediate, (XtPointer)-1},
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104 {XtNtopToolBarBorderWidth, XtCTopToolBarBorderWidth, XtRInt,
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105 sizeof (int),
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106 offset (top_toolbar_border_width), XtRImmediate, (XtPointer)-1},
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107 {XtNbottomToolBarBorderWidth, XtCBottomToolBarBorderWidth, XtRInt,
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108 sizeof (int),
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109 offset (bottom_toolbar_border_width), XtRImmediate, (XtPointer)-1},
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110 {XtNleftToolBarBorderWidth, XtCLeftToolBarBorderWidth, XtRInt,
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111 sizeof (int),
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112 offset (left_toolbar_border_width), XtRImmediate, (XtPointer)-1},
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113 {XtNrightToolBarBorderWidth, XtCRightToolBarBorderWidth, XtRInt,
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114 sizeof (int),
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115 offset (right_toolbar_border_width), XtRImmediate, (XtPointer)-1},
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116 {XtNtopToolBarShadowColor, XtCTopToolBarShadowColor, XtRPixel, sizeof(Pixel),
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117 offset(top_toolbar_shadow_pixel), XtRString, (XtPointer) "#000000"},
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118 {XtNbottomToolBarShadowColor, XtCBottomToolBarShadowColor, XtRPixel,
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119 sizeof(Pixel), offset(bottom_toolbar_shadow_pixel), XtRString, (XtPointer) "#000000"},
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120 {XtNbackgroundToolBarColor, XtCBackgroundToolBarColor, XtRPixel,
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121 sizeof(Pixel), offset(background_toolbar_pixel), XtRImmediate,
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122 (XtPointer)-1},
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123 {XtNforegroundToolBarColor, XtCForegroundToolBarColor, XtRPixel,
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124 sizeof(Pixel), offset(foreground_toolbar_pixel), XtRImmediate,
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125 (XtPointer)-1},
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126 {XtNtopToolBarShadowPixmap, XtCTopToolBarShadowPixmap, XtRPixmap,
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127 sizeof (Pixmap), offset(top_toolbar_shadow_pixmap), XtRImmediate,
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128 (XtPointer)None},
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129 {XtNbottomToolBarShadowPixmap, XtCBottomToolBarShadowPixmap, XtRPixmap,
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130 sizeof (Pixmap), offset(bottom_toolbar_shadow_pixmap), XtRImmediate,
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131 (XtPointer)None},
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132 {XtNtoolBarShadowThickness, XtCToolBarShadowThickness, XtRDimension,
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133 sizeof (Dimension), offset (toolbar_shadow_thickness), XtRImmediate,
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134 (XtPointer)2},
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135 #endif /* HAVE_TOOLBARS */
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136 {XtNinterline, XtCInterline, XtRInt, sizeof (int),
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137 offset (interline), XtRImmediate, (XtPointer)0},
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138 {
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139 #ifdef I18N4
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140 XtNfontSet, XtCFontSet, XtRFontSet, sizeof(XFontSet),
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141 #else
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142 XtNfont, XtCFont, XtRFontStruct, sizeof(XFontStruct *),
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143 #endif
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144 offset(font), XtRImmediate, (XtPointer)0
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145 },
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146 {XtNforeground, XtCForeground, XtRPixel, sizeof(Pixel),
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147 offset(foreground_pixel), XtRString, (XtPointer) "Black"},
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148 {XtNbackground, XtCBackground, XtRPixel, sizeof(Pixel),
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149 offset(background_pixel), XtRString, (XtPointer) "Gray80"},
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150 {XtNcursorColor, XtCForeground, XtRPixel, sizeof(Pixel),
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151 offset(cursor_color), XtRString, (XtPointer) "XtDefaultForeground"},
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152 {XtNbarCursor, XtCBarCursor, XtRBoolean, sizeof (Boolean),
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153 offset (bar_cursor), XtRImmediate, (XtPointer)0},
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154 {XtNvisualBell, XtCVisualBell, XtRBoolean, sizeof (Boolean),
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155 offset (visual_bell), XtRImmediate, (XtPointer)0},
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156 {XtNbellVolume, XtCBellVolume, XtRInt, sizeof (int),
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157 offset (bell_volume), XtRImmediate, (XtPointer)0},
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158 {XtNuseBackingStore, XtCUseBackingStore, XtRBoolean, sizeof (Boolean),
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159 offset (use_backing_store), XtRImmediate, (XtPointer)0},
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160 {XtNpreferredWidth, XtCPreferredWidth, XtRDimension, sizeof (Dimension),
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161 offset (preferred_width), XtRImmediate, (XtPointer)0},
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162 {XtNpreferredHeight, XtCPreferredHeight, XtRDimension, sizeof (Dimension),
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163 offset (preferred_height), XtRImmediate, (XtPointer)0},
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164 };
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165
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166 #undef offset
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167
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168 /* Xt is stupid and dumb.
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169 Xt is stupid and dumb.
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170 Xt is stupid and dumb. */
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171
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172 static XtActionsRec
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173 emacsFrameActionsTable [] = {
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174 {"mapping", (XtActionProc) emacs_Xt_mapping_action},
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175 };
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176
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177 static char
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178 emacsFrameTranslations [] = "\
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179 <Mapping>: mapping()\n\
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180 ";
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181
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182 /* If we're running under Motif, make this widget a subclass
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183 of XmPrimitive. It's not clear this is necessary, but it
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184 may make focus behavior work better. */
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185
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186 EmacsFrameClassRec emacsFrameClassRec = {
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187 { /* core fields */
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188 #ifdef LWLIB_USES_MOTIF
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189 /* superclass */ (WidgetClass) &xmPrimitiveClassRec,
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190 #else
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191 /* superclass */ &widgetClassRec,
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192 #endif
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193 /* class_name */ "EmacsFrame",
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194 /* widget_size */ sizeof(EmacsFrameRec),
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195 /* class_initialize */ EmacsFrameClassInitialize,
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196 /* class_part_initialize */ 0,
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197 /* class_inited */ FALSE,
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198 /* initialize */ EmacsFrameInitialize,
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199 /* initialize_hook */ 0,
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200 /* realize */ EmacsFrameRealize,
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201 /* actions */ emacsFrameActionsTable,
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202 /* num_actions */ XtNumber (emacsFrameActionsTable),
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203 /* resources */ resources,
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204 /* resource_count */ XtNumber(resources),
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205 /* xrm_class */ NULLQUARK,
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206 /* compress_motion */ TRUE,
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207 /* compress_exposure */ TRUE,
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208 /* compress_enterleave */ TRUE,
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209 /* visible_interest */ FALSE,
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210 /* destroy */ NULL,
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211 /* resize */ EmacsFrameResize,
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212 /* expose */ XtInheritExpose,
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213 /* set_values */ EmacsFrameSetValues,
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214 /* set_values_hook */ 0,
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215 /* set_values_almost */ XtInheritSetValuesAlmost,
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216 /* get_values_hook */ 0,
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217 /* accept_focus */ XtInheritAcceptFocus,
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218 /* version */ XtVersion,
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219 /* callback_private */ 0,
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220 /* tm_table */ emacsFrameTranslations,
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221 /* query_geometry */ EmacsFrameQueryGeometry,
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222 /* display_accelerator */ XtInheritDisplayAccelerator,
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223 /* extension */ 0
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224 },
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225 #ifdef LWLIB_USES_MOTIF
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226 { /* XmPrimitiveClassPart
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227 */
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228 (XtWidgetProc) _XtInherit, /* border_highlight */
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229 (XtWidgetProc) _XtInherit, /* border_unhighlight */
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230 /* Setting the following to NULL causes PrimitiveInitialize()
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231 not to add traversal (TAB etc. to switch focus) and
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232 focus-in/out (border highlight/unhighlight) translations.
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233 If you want those translations, use the value XtInheritTranslations
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234 instead. Doing this, however, will interfere with Emacs
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235 focus handling (which highlights/unhighlights the text cursor),
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236 and will lead to strange display results around the border of the
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237 widget. */
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238 NULL, /* translations */
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239 NULL, /* arm_and_activate */
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240 NULL, /* get resources */
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241 0, /* num get_resources */
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242 NULL, /* extension */
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243 },
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244 #endif /* LWLIB_USES_MOTIF */
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245 {
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246 0
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247 }
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248 };
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249 WidgetClass emacsFrameClass = (WidgetClass) &emacsFrameClassRec;
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250
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251 static void
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252 update_various_frame_slots (EmacsFrame ew)
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253 {
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254 ew->emacs_frame.frame->pixheight = ew->core.height;
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255 ew->emacs_frame.frame->pixwidth = ew->core.width;
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256 }
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257
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258 static void
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259 EmacsFrameInitialize (Widget request, Widget new,
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260 ArgList dum1, Cardinal *dum2)
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261 {
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262 EmacsFrame ew = (EmacsFrame)new;
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263 struct frame *f = ew->emacs_frame.frame;
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264
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265 if (!f)
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266 fatal ("can't create an emacs frame widget without a frame.");
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267
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268 ew->emacs_frame.frame->internal_border_width =
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269 ew->emacs_frame.internal_border_width;
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270 }
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271
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272 void emacs_Xt_event_handler (Widget wid /* unused */,
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273 XtPointer closure /* unused */,
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274 XEvent *event,
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275 Boolean *continue_to_dispatch /* unused */);
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276
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277 static void
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278 EmacsFrameRealize (Widget widget, XtValueMask *mask,
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279 XSetWindowAttributes *attrs)
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280 {
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281 EmacsFrame ew = (EmacsFrame) widget;
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282 struct frame *f = ew->emacs_frame.frame;
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283 Widget shell_widget = FRAME_X_SHELL_WIDGET (f);
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284
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285 attrs->event_mask =
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286 ExposureMask |
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287 VisibilityChangeMask |
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288 PropertyChangeMask |
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289 StructureNotifyMask |
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290 SubstructureNotifyMask |
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291 /*SubstructureRedirectMask |*/ /* Only for WMs! */
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292 KeyPressMask |
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293 KeyReleaseMask |
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294 ButtonPressMask |
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295 ButtonReleaseMask |
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296 FocusChangeMask |
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297 PointerMotionHintMask |
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298 PointerMotionMask |
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299 LeaveWindowMask |
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300 EnterWindowMask;
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301
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302
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303 #ifdef I18N4
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304 /* Make sure that events wanted by the input method are selected. */
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305 attrs->event_mask |= input_method_event_mask;
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306 #endif
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307
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308 *mask |= CWEventMask;
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309
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310 if (ew->emacs_frame.use_backing_store)
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311 {
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312 attrs->backing_store = Always;
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313 *mask |= CWBackingStore;
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314 }
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315 XtCreateWindow (widget, InputOutput, (Visual *)CopyFromParent, *mask,
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316 attrs);
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317
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318 /* snarf the events we want. */
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319 XtInsertEventHandler (widget, attrs->event_mask, TRUE,
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320 emacs_Xt_event_handler, NULL, XtListHead);
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321 /* some events (e.g. map-notify and WM_DELETE_WINDOW) get sent
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322 directly to the shell, and the above event handler won't see
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323 them. So add a handler to get them. These events don't
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324 propagate, so there's no danger of them being seen twice. */
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325 XtInsertEventHandler (shell_widget,
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326 EnterWindowMask | LeaveWindowMask |
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327 VisibilityChangeMask | StructureNotifyMask |
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328 KeyPressMask,
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329 TRUE, emacs_Xt_event_handler, NULL, XtListHead);
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330
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331 #ifdef EXTERNAL_WIDGET
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332 /* #### Not sure if this special case is necessary */
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333 if (!FRAME_X_EXTERNAL_WINDOW_P (f))
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334 #endif
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335 /* This is necessary under Motif in order to make it possible to click in
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336 a buffer and move focus out of a dialog box or control panel and back
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337 into emacs-land; also necessary so that you can still type chars
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338 if the cursor is over the menubar or scrollbar. */
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339 lw_set_keyboard_focus (shell_widget, FRAME_X_TEXT_WIDGET (f));
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340 }
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341
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342 /* DO NOT CALL THIS FUNCTION! Only Xt is supposed to do this. */
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343
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344 static void
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345 EmacsFrameResize (Widget widget)
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346 {
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347 EmacsFrame ew = (EmacsFrame)widget;
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348 struct frame *f = ew->emacs_frame.frame;
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349 int columns;
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350 int rows;
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351 XtWidgetGeometry req, repl;
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352
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353 update_various_frame_slots (ew);
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354
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355 pixel_to_char_size (f, ew->core.width, ew->core.height, &columns, &rows);
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|
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356 change_frame_size (f, rows, columns, 0);
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357
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|
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358 /* Now we tell the EmacsShell that we've changed the size of the non-fixed
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|
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359 portion of the frame. Note that, if we the resize occurred as a result
|
|
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360 of EmacsFrameSetCharSize(), this information will be stored twice.
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361 This is not a big deal, as storing this information doesn't actually
|
|
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362 do anything until the next resize. */
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|
|
363 if (FRAME_X_TOP_LEVEL_FRAME_P (f))
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364 x_wm_set_variable_size (FRAME_X_SHELL_WIDGET (f), columns, rows);
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365
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|
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366 /* Kick the manager so that it knows we've changed size. */
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|
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367 req.request_mode = 0;
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368 XtQueryGeometry (FRAME_X_CONTAINER_WIDGET (f), &req, &repl);
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369 EmacsManagerChangeSize (FRAME_X_CONTAINER_WIDGET (f), repl.width,
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370 repl.height);
|
|
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371 }
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|
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372
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|
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373 static Boolean
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|
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374 EmacsFrameSetValues (Widget cur_widget, Widget req_widget, Widget new_widget,
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|
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375 ArgList argv, Cardinal *argc)
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|
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376 {
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377 EmacsFrame cur = (EmacsFrame) cur_widget;
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378 EmacsFrame new = (EmacsFrame) new_widget;
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|
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379 struct frame *f = new->emacs_frame.frame;
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|
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380 Lisp_Object frame;
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381
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382 XSETFRAME (frame, f);
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383 in_resource_setting++;
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384 /* This function does not need to do much. Pretty much everything
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385 interesting will get done in the resize method, which will
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386 (if necessary) get called by Xt when this function returns
|
|
|
387 (see below).
|
|
|
388 */
|
|
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389
|
|
|
390 /* #### This function will not work if it is not called from
|
|
|
391 update_EmacsFrame(), called from SET_FACE_PROPERTY().
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|
|
392 The code located there should be moved inside of here instead,
|
|
|
393 so that things work if either SET_FACE_PROPERTY() is
|
|
|
394 called or XtSetValues() is called.
|
|
|
395 */
|
|
|
396
|
|
|
397 if (cur->emacs_frame.iconic != new->emacs_frame.iconic &&
|
|
|
398 FRAME_X_TOP_LEVEL_FRAME_P (new->emacs_frame.frame))
|
|
|
399 x_wm_set_shell_iconic_p (FRAME_X_SHELL_WIDGET (new->emacs_frame.frame),
|
|
|
400 new->emacs_frame.iconic);
|
|
|
401
|
|
|
402 /* If we got here, then we were likely called as a result of
|
|
|
403 the EditRes protocol, so go ahead and change scrollbar-width
|
|
|
404 and scrollbar-height. Otherwise, we're merely mirroring
|
|
|
405 a change made to scrollbar-width etc. so don't do anything
|
|
|
406 special. */
|
|
|
407 if (cur->emacs_frame.internal_border_width !=
|
|
|
408 new->emacs_frame.internal_border_width)
|
|
|
409 {
|
|
|
410 f->internal_border_width = new->emacs_frame.internal_border_width;
|
|
|
411 MARK_FRAME_SIZE_SLIPPED (f);
|
|
|
412 }
|
|
|
413
|
|
|
414 #ifdef HAVE_SCROLLBARS
|
|
|
415 if (cur->emacs_frame.scrollbar_width !=
|
|
|
416 new->emacs_frame.scrollbar_width)
|
|
|
417 Fadd_spec_to_specifier
|
|
|
418 (Vscrollbar_width,
|
|
|
419 make_int (new->emacs_frame.scrollbar_width),
|
|
|
420 frame, Qnil, Qnil);
|
|
|
421 if (cur->emacs_frame.scrollbar_height !=
|
|
|
422 new->emacs_frame.scrollbar_height)
|
|
|
423 Fadd_spec_to_specifier
|
|
|
424 (Vscrollbar_height,
|
|
|
425 make_int (new->emacs_frame.scrollbar_height),
|
|
|
426 frame, Qnil, Qnil);
|
|
|
427 #endif /* HAVE_SCROLLBARS */
|
|
|
428 #ifdef HAVE_TOOLBARS
|
|
|
429 if (cur->emacs_frame.top_toolbar_height !=
|
|
|
430 new->emacs_frame.top_toolbar_height)
|
|
|
431 Fadd_spec_to_specifier
|
|
|
432 (Vtoolbar_size[TOP_TOOLBAR],
|
|
|
433 make_int (new->emacs_frame.top_toolbar_height),
|
|
|
434 frame, Qnil, Qnil);
|
|
|
435 if (cur->emacs_frame.bottom_toolbar_height !=
|
|
|
436 new->emacs_frame.bottom_toolbar_height)
|
|
|
437 Fadd_spec_to_specifier
|
|
|
438 (Vtoolbar_size[BOTTOM_TOOLBAR],
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|
|
439 make_int (new->emacs_frame.bottom_toolbar_height),
|
|
|
440 frame, Qnil, Qnil);
|
|
|
441 if (cur->emacs_frame.left_toolbar_width !=
|
|
|
442 new->emacs_frame.left_toolbar_width)
|
|
|
443 Fadd_spec_to_specifier
|
|
|
444 (Vtoolbar_size[LEFT_TOOLBAR],
|
|
|
445 make_int (new->emacs_frame.left_toolbar_width),
|
|
|
446 frame, Qnil, Qnil);
|
|
|
447 if (cur->emacs_frame.right_toolbar_width !=
|
|
|
448 new->emacs_frame.right_toolbar_width)
|
|
|
449 Fadd_spec_to_specifier
|
|
|
450 (Vtoolbar_size[RIGHT_TOOLBAR],
|
|
|
451 make_int (new->emacs_frame.right_toolbar_width),
|
|
|
452 frame, Qnil, Qnil);
|
|
|
453 if (cur->emacs_frame.top_toolbar_border_width !=
|
|
|
454 new->emacs_frame.top_toolbar_border_width)
|
|
|
455 Fadd_spec_to_specifier
|
|
|
456 (Vtoolbar_border_width[TOP_TOOLBAR],
|
|
|
457 make_int (new->emacs_frame.top_toolbar_border_width),
|
|
|
458 frame, Qnil, Qnil);
|
|
|
459 if (cur->emacs_frame.bottom_toolbar_border_width !=
|
|
|
460 new->emacs_frame.bottom_toolbar_border_width)
|
|
|
461 Fadd_spec_to_specifier
|
|
|
462 (Vtoolbar_border_width[BOTTOM_TOOLBAR],
|
|
|
463 make_int (new->emacs_frame.bottom_toolbar_border_width),
|
|
|
464 frame, Qnil, Qnil);
|
|
|
465 if (cur->emacs_frame.left_toolbar_border_width !=
|
|
|
466 new->emacs_frame.left_toolbar_border_width)
|
|
|
467 Fadd_spec_to_specifier
|
|
|
468 (Vtoolbar_border_width[LEFT_TOOLBAR],
|
|
|
469 make_int (new->emacs_frame.left_toolbar_border_width),
|
|
|
470 frame, Qnil, Qnil);
|
|
|
471 if (cur->emacs_frame.right_toolbar_border_width !=
|
|
|
472 new->emacs_frame.right_toolbar_border_width)
|
|
|
473 Fadd_spec_to_specifier
|
|
|
474 (Vtoolbar_border_width[RIGHT_TOOLBAR],
|
|
|
475 make_int (new->emacs_frame.right_toolbar_border_width),
|
|
|
476 frame, Qnil, Qnil);
|
|
|
477 #endif /* HAVE_TOOLBARS */
|
|
|
478
|
|
|
479 in_resource_setting--;
|
|
|
480
|
|
|
481 /* If the request was to resize us, but the size has not changed, Xt
|
|
|
482 will do nothing, and won't call our resize callback. Since such a
|
|
|
483 request might be issued as a result of hiding/showing menubar or
|
|
|
484 changing toolbar placement, where we rely on relayout made by the
|
|
|
485 callback, we go ahead and simulate such a call */
|
|
|
486 if (cur->core.width == new->core.width
|
|
|
487 && cur->core.height == new->core.height)
|
|
|
488 {
|
|
|
489 int i;
|
|
|
490 for (i=0; i<*argc; i++)
|
|
|
491 if (strcmp (argv[i].name, XtNwidth) == 0
|
|
|
492 || strcmp (argv[i].name, XtNheight) == 0)
|
|
|
493 {
|
|
|
494 EmacsFrameResize (new_widget);
|
|
|
495 break;
|
|
|
496 }
|
|
|
497 }
|
|
|
498
|
|
|
499 return False;
|
|
|
500
|
|
|
501 /* Note that if either (a) we return True, or (b) the width or
|
|
|
502 height has changed, an Expose event will be generated. The Xt
|
|
|
503 manual says you should not return True if the width or height has
|
|
|
504 changed, because then two Expose events will be generated.
|
|
|
505
|
|
|
506 In any case, there is no need to return True because
|
|
|
507 SET_FACE_PROPERTY(), which does the resource
|
|
|
508 setting, automatically forces a redisplay as necessary. */
|
|
|
509 }
|
|
|
510
|
|
|
511 static XtGeometryResult
|
|
|
512 EmacsFrameQueryGeometry (Widget widget, XtWidgetGeometry *request,
|
|
|
513 XtWidgetGeometry *result)
|
|
|
514 {
|
|
|
515 EmacsFrame ew = (EmacsFrame) widget;
|
|
|
516 int mask = request->request_mode;
|
|
|
517 Dimension width, height;
|
|
|
518 int ok_width_int, ok_height_int;
|
|
|
519 Dimension ok_width, ok_height;
|
|
|
520
|
|
|
521 /* We have a definite preference for what size we would like
|
|
|
522 to be.
|
|
|
523
|
|
|
524 1) If a preferred size was specified for us, use it.
|
|
|
525 (This is not currently used)
|
|
|
526 2) If a proposed size was given, round it to the nearest
|
|
|
527 multiple of the default char size and return it.
|
|
|
528 3) Otherwise, take our current size and round it to the
|
|
|
529 nearest multiple of the default char size. */
|
|
|
530
|
|
|
531 width = mask & CWWidth ? request->width : ew->core.width;
|
|
|
532 height = mask & CWHeight ? request->height : ew->core.height;
|
|
|
533 round_size_to_char (ew->emacs_frame.frame, width, height,
|
|
|
534 &ok_width_int, &ok_height_int);
|
|
|
535 ok_width = (Dimension) ok_width_int;
|
|
|
536 ok_height = (Dimension) ok_height_int;
|
|
|
537 if (ew->emacs_frame.preferred_width)
|
|
|
538 ok_width = ew->emacs_frame.preferred_width;
|
|
|
539 if (ew->emacs_frame.preferred_height)
|
|
|
540 ok_height = ew->emacs_frame.preferred_height;
|
|
|
541 result->request_mode |= CWWidth | CWHeight;
|
|
|
542 result->width = ok_width;
|
|
|
543 result->height = ok_height;
|
|
|
544 if (((mask & CWWidth) && ok_width != request->width)
|
|
|
545 || ((mask & CWHeight) && ok_height != request->height))
|
|
|
546 return XtGeometryAlmost;
|
|
|
547 else
|
|
|
548 return XtGeometryYes;
|
|
|
549 }
|
|
|
550
|
|
|
551 /* Xt string-to-scrollbar-placement converter */
|
|
|
552 /* ### Convert this to a `new-style' converter (See XtAddTypeConverter) */
|
|
|
553
|
|
|
554 /* This variable cannot be a stack variable. */
|
|
|
555 static unsigned char cvt_string_scrollbar_placement;
|
|
|
556
|
|
|
557 /* ARGSUSED */
|
|
|
558 static void
|
|
|
559 Xt_StringToScrollBarPlacement (XrmValuePtr args, /* unused */
|
|
|
560 Cardinal *num_args, /* unused */
|
|
|
561 XrmValuePtr fromVal,
|
|
|
562 XrmValuePtr toVal)
|
|
|
563 {
|
|
|
564 XrmQuark q;
|
|
|
565 char *lowerName = (char *) alloca (strlen ((char *) fromVal->addr) + 1);
|
|
|
566
|
|
|
567 XmuCopyISOLatin1Lowered (lowerName, (char *) fromVal->addr);
|
|
|
568 q = XrmStringToQuark (lowerName);
|
|
|
569
|
|
|
570 toVal->size = sizeof (cvt_string_scrollbar_placement);
|
|
|
571 toVal->addr = (XPointer) &cvt_string_scrollbar_placement;
|
|
|
572
|
|
|
573 if (q == XrmStringToQuark ("top-left")
|
|
|
574 || q == XrmStringToQuark ("top_left"))
|
|
|
575 cvt_string_scrollbar_placement = XtTOP_LEFT;
|
|
|
576 else if (q == XrmStringToQuark ("bottom-left")
|
|
|
577 || q == XrmStringToQuark ("bottom_left"))
|
|
|
578 cvt_string_scrollbar_placement = XtBOTTOM_LEFT;
|
|
|
579 else if (q == XrmStringToQuark ("top-right")
|
|
|
580 || q == XrmStringToQuark ("top_right"))
|
|
|
581 cvt_string_scrollbar_placement = XtTOP_RIGHT;
|
|
|
582 else if (q == XrmStringToQuark ("bottom-right")
|
|
|
583 || q == XrmStringToQuark ("bottom_right"))
|
|
|
584 cvt_string_scrollbar_placement = XtBOTTOM_RIGHT;
|
|
|
585 else
|
|
|
586 {
|
|
|
587 XtStringConversionWarning (fromVal->addr, "scrollBarPlacement");
|
|
|
588 toVal->addr = NULL;
|
|
|
589 toVal->size = 0;
|
|
|
590 }
|
|
|
591 }
|
|
|
592
|
|
|
593 static void
|
|
|
594 EmacsFrameClassInitialize (void)
|
|
|
595 {
|
|
|
596 XtAddConverter (XtRString, XtRScrollBarPlacement,
|
|
|
597 Xt_StringToScrollBarPlacement, NULL, 0);
|
|
|
598 }
|
|
|
599
|
|
|
600 /********************* Special entrypoints *******************/
|
|
|
601
|
|
|
602 void
|
|
|
603 EmacsFrameRecomputeCellSize (Widget w)
|
|
|
604 {
|
|
|
605 EmacsFrame ew = (EmacsFrame) w;
|
|
|
606 int cw, ch;
|
|
|
607 struct frame *f = ew->emacs_frame.frame;
|
|
|
608
|
|
|
609 if (! XtIsSubclass (w, emacsFrameClass))
|
|
|
610 abort ();
|
|
|
611
|
|
|
612 default_face_height_and_width (make_frame (f), &ch, &cw);
|
|
|
613 if (FRAME_X_TOP_LEVEL_FRAME_P (f))
|
|
|
614 x_wm_set_cell_size (FRAME_X_SHELL_WIDGET (f), cw, ch);
|
|
|
615 }
|
|
|
616
|
|
|
617 /* Set the size of the widget to have the number of rows and columns
|
|
|
618 specified. This both causes the X window to change and the
|
|
|
619 internal frame structures to get modified to match. */
|
|
|
620
|
|
|
621 void
|
|
|
622 EmacsFrameSetCharSize (Widget widget, int columns, int rows)
|
|
|
623 {
|
|
|
624 EmacsFrame ew = (EmacsFrame) widget;
|
|
|
625 int pixel_width, pixel_height;
|
|
|
626 struct frame *f = ew->emacs_frame.frame;
|
|
|
627
|
|
|
628 if (columns < 3)
|
|
|
629 columns = 3; /* no way buddy */
|
|
|
630 if (rows < 1)
|
|
|
631 rows = 1;
|
|
|
632
|
|
|
633 char_to_pixel_size (f, columns, rows, &pixel_width, &pixel_height);
|
|
|
634
|
|
|
635 if (FRAME_X_TOP_LEVEL_FRAME_P (f))
|
|
|
636 x_wm_set_variable_size (FRAME_X_SHELL_WIDGET (f), columns, rows);
|
|
|
637
|
|
|
638 {
|
|
|
639 Arg al [2];
|
|
|
640 XtSetArg (al [0], XtNwidth, pixel_width);
|
|
|
641 XtSetArg (al [1], XtNheight, pixel_height);
|
|
|
642 XtSetValues ((Widget) ew, al, countof (al));
|
|
|
643 }
|
|
|
644 }
|
