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0
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1 /* The emacs frame widget.
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2 Copyright (C) 1992, 1993, 1994, 1995 Free Software Foundation, Inc.
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3 Copyright (C) 1993-1995 Sun Microsystems, Inc.
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4 Copyright (C) 1995 Ben Wing.
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5
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6 This file is part of XEmacs.
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7
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8 XEmacs is free software; you can redistribute it and/or modify it
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9 under the terms of the GNU General Public License as published by the
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10 Free Software Foundation; either version 2, or (at your option) any
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11 later version.
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12
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13 XEmacs is distributed in the hope that it will be useful, but WITHOUT
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14 ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
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15 FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License
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16 for more details.
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17
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18 You should have received a copy of the GNU General Public License
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19 along with XEmacs; see the file COPYING. If not, write to
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20 the Free Software Foundation, Inc., 59 Temple Place - Suite 330,
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21 Boston, MA 02111-1307, USA. */
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22
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23 /* Synched up with: Not in FSF. */
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24
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25 /* #### Note to potential hackers: Don't mess with this unless you're
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26 sure you know what you're doing! Xt is a lot more subtle than
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27 you may think. */
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28
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29 #include <config.h>
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30 #include "lisp.h"
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31
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32 #include "console-x.h"
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33 #include "glyphs-x.h"
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34 #include "objects-x.h"
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35 #include <X11/Shell.h>
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36 #include "EmacsFrameP.h"
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37 #include "EmacsManager.h" /* for EmacsManagerChangeSize */
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38 #include "xmu.h"
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39
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40 #include "faces.h"
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41 #include "frame.h"
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42 #include "toolbar.h"
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43 #include "redisplay.h"
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44 #include "window.h"
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45
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46 static void EmacsFrameClassInitialize (void);
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47 static void EmacsFrameInitialize (Widget, Widget, ArgList, Cardinal *);
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48 static void EmacsFrameRealize (Widget, XtValueMask*, XSetWindowAttributes*);
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49 static void EmacsFrameResize (Widget widget);
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50 static Boolean EmacsFrameSetValues (Widget, Widget, Widget,
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51 ArgList, Cardinal *);
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52 static XtGeometryResult EmacsFrameQueryGeometry (Widget, XtWidgetGeometry*,
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53 XtWidgetGeometry*);
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54
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55 extern void
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56 emacs_Xt_mapping_action (Widget w, XMappingEvent* event);
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57
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58 #undef XtOffset
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59 #define XtOffset(p_type,field) \
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60 ((Cardinal) (((char *) (&(((p_type)0)->field))) - ((char *)0)))
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61 #define offset(field) XtOffset(EmacsFrame, emacs_frame.field)
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62
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63 static XtResource resources[] = {
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64 {XtNgeometry, XtCGeometry, XtRString, sizeof(String),
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65 offset (geometry), XtRString, (XtPointer) 0},
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66 {XtNiconic, XtCIconic, XtRBoolean, sizeof(Boolean),
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67 offset (iconic), XtRImmediate, (XtPointer) False},
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68
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69 {XtNemacsFrame, XtCEmacsFrame, XtRPointer, sizeof (XtPointer),
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70 offset (frame), XtRImmediate, 0},
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71 {XtNmenubar, XtCMenubar, XtRBoolean, sizeof (Boolean),
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72 offset (menubar_p), XtRImmediate, (XtPointer) True},
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73 {XtNinitiallyUnmapped, XtCInitiallyUnmapped, XtRBoolean, sizeof (Boolean),
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74 offset (initially_unmapped), XtRImmediate, (XtPointer) False},
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75 {XtNminibuffer, XtCMinibuffer, XtRBoolean, sizeof (Boolean),
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76 offset (minibuffer), XtRImmediate, (XtPointer) True},
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77 {XtNunsplittable, XtCUnsplittable, XtRBoolean, sizeof (Boolean),
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78 offset (unsplittable), XtRImmediate, (XtPointer) False},
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79 {XtNinternalBorderWidth, XtCInternalBorderWidth, XtRInt, sizeof (int),
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80 offset (internal_border_width), XtRImmediate, (XtPointer)4},
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81 #ifdef HAVE_SCROLLBARS
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82 {XtNscrollBarWidth, XtCScrollBarWidth, XtRInt, sizeof (int),
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83 offset (scrollbar_width), XtRImmediate, (XtPointer)-1},
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84 {XtNscrollBarHeight, XtCScrollBarHeight, XtRInt, sizeof (int),
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85 offset (scrollbar_height), XtRImmediate, (XtPointer)-1},
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86 {XtNscrollBarPlacement, XtCScrollBarPlacement, XtRScrollBarPlacement,
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87 sizeof(unsigned char), offset(scrollbar_placement), XtRImmediate,
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88 #if defined (LWLIB_SCROLLBARS_MOTIF) || defined (LWLIB_SCROLLBARS_LUCID)
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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 {XtNtopToolBarShadowColor, XtCTopToolBarShadowColor, XtRPixel, sizeof(Pixel),
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105 offset(top_toolbar_shadow_pixel), XtRString, "Gray90"},
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106 {XtNbottomToolBarShadowColor, XtCBottomToolBarShadowColor, XtRPixel,
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107 sizeof(Pixel), offset(bottom_toolbar_shadow_pixel), XtRString,
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108 "Gray40"},
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109 {XtNbackgroundToolBarColor, XtCBackgroundToolBarColor, XtRPixel,
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110 sizeof(Pixel), offset(background_toolbar_pixel), XtRString,
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111 "Gray75"},
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112 {XtNtopToolBarShadowPixmap, XtCTopToolBarShadowPixmap, XtRPixmap,
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113 sizeof (Pixmap), offset(top_toolbar_shadow_pixmap), XtRImmediate,
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114 (XtPointer)None},
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115 {XtNbottomToolBarShadowPixmap, XtCBottomToolBarShadowPixmap, XtRPixmap,
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116 sizeof (Pixmap), offset(bottom_toolbar_shadow_pixmap), XtRImmediate,
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117 (XtPointer)None},
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118 {XtNtoolBarShadowThickness, XtCToolBarShadowThickness, XtRDimension,
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119 sizeof (Dimension), offset (toolbar_shadow_thickness), XtRImmediate,
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120 (XtPointer)2},
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121 #endif /* HAVE_TOOLBARS */
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122 {XtNinterline, XtCInterline, XtRInt, sizeof (int),
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123 offset (interline), XtRImmediate, (XtPointer)0},
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124 {
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125 #ifdef I18N4
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126 XtNfontSet, XtCFontSet, XtRFontSet, sizeof(XFontSet),
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127 #else
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128 XtNfont, XtCFont, XtRFontStruct, sizeof(XFontStruct *),
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129 #endif
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130 offset(font), XtRImmediate, (XtPointer)0
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131 },
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132 {XtNforeground, XtCForeground, XtRPixel, sizeof(Pixel),
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133 offset(foreground_pixel), XtRString, "XtDefaultForeground"},
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134 {XtNcursorColor, XtCForeground, XtRPixel, sizeof(Pixel),
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135 offset(cursor_color), XtRString, "XtDefaultForeground"},
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136 {XtNbarCursor, XtCBarCursor, XtRBoolean, sizeof (Boolean),
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137 offset (bar_cursor), XtRImmediate, (XtPointer)0},
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138 {XtNvisualBell, XtCVisualBell, XtRBoolean, sizeof (Boolean),
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139 offset (visual_bell), XtRImmediate, (XtPointer)0},
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140 {XtNbellVolume, XtCBellVolume, XtRInt, sizeof (int),
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141 offset (bell_volume), XtRImmediate, (XtPointer)0},
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142 {XtNuseBackingStore, XtCUseBackingStore, XtRBoolean, sizeof (Boolean),
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143 offset (use_backing_store), XtRImmediate, (XtPointer)0},
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144 {XtNpreferredWidth, XtCPreferredWidth, XtRDimension, sizeof (Dimension),
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145 offset (preferred_width), XtRImmediate, (XtPointer)0},
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146 {XtNpreferredHeight, XtCPreferredHeight, XtRDimension, sizeof (Dimension),
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147 offset (preferred_height), XtRImmediate, (XtPointer)0},
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148 };
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149
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150 #undef offset
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151
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152 /* Xt is stupid and dumb.
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153 Xt is stupid and dumb.
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154 Xt is stupid and dumb. */
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155
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156 static XtActionsRec
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157 emacsFrameActionsTable [] = {
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158 {"mapping", (XtActionProc) emacs_Xt_mapping_action},
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159 };
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160
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161 static char
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162 emacsFrameTranslations [] = "\
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163 <Mapping>: mapping()\n\
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164 ";
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165
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166 /* If we're running under Motif, make this widget a subclass
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167 of XmPrimitive. It's not clear this is necessary, but it
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168 may make focus behavior work better. */
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169
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170 EmacsFrameClassRec emacsFrameClassRec = {
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171 { /* core fields */
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172 #ifdef LWLIB_USES_MOTIF
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173 /* superclass */ (WidgetClass) &xmPrimitiveClassRec,
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174 #else
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175 /* superclass */ &widgetClassRec,
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176 #endif
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177 /* class_name */ "EmacsFrame",
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178 /* widget_size */ sizeof(EmacsFrameRec),
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179 /* class_initialize */ EmacsFrameClassInitialize,
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180 /* class_part_initialize */ 0,
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181 /* class_inited */ FALSE,
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182 /* initialize */ EmacsFrameInitialize,
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183 /* initialize_hook */ 0,
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184 /* realize */ EmacsFrameRealize,
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185 /* actions */ emacsFrameActionsTable,
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186 /* num_actions */ XtNumber (emacsFrameActionsTable),
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187 /* resources */ resources,
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188 /* resource_count */ XtNumber(resources),
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189 /* xrm_class */ NULLQUARK,
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190 /* compress_motion */ TRUE,
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191 /* compress_exposure */ TRUE,
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192 /* compress_enterleave */ TRUE,
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193 /* visible_interest */ FALSE,
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194 /* destroy */ NULL,
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195 /* resize */ EmacsFrameResize,
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196 /* expose */ XtInheritExpose,
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197 /* set_values */ EmacsFrameSetValues,
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198 /* set_values_hook */ 0,
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199 /* set_values_almost */ XtInheritSetValuesAlmost,
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200 /* get_values_hook */ 0,
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201 /* accept_focus */ XtInheritAcceptFocus,
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202 /* version */ XtVersion,
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203 /* callback_private */ 0,
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204 /* tm_table */ emacsFrameTranslations,
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205 /* query_geometry */ EmacsFrameQueryGeometry,
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206 /* display_accelerator */ XtInheritDisplayAccelerator,
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207 /* extension */ 0
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208 },
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209 #ifdef LWLIB_USES_MOTIF
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210 { /* XmPrimitiveClassPart
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211 */
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212 (XtWidgetProc) _XtInherit, /* border_highlight */
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213 (XtWidgetProc) _XtInherit, /* border_unhighlight */
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214 /* Setting the following to NULL causes PrimitiveInitialize()
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215 not to add traversal (TAB etc. to switch focus) and
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216 focus-in/out (border highlight/unhighlight) translations.
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217 If you want those translations, use the value XtInheritTranslations
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218 instead. Doing this, however, will interfere with Emacs
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219 focus handling (which highlights/unhighlights the text cursor),
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220 and will lead to strange display results around the border of the
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221 widget. */
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222 NULL, /* translations */
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223 NULL, /* arm_and_activate */
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224 NULL, /* get resources */
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225 0, /* num get_resources */
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226 NULL, /* extension */
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227 },
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228 #endif /* LWLIB_USES_MOTIF */
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229 {
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230 0
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231 }
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232 };
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233 WidgetClass emacsFrameClass = (WidgetClass) &emacsFrameClassRec;
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234
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235 static void
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236 update_various_frame_slots (EmacsFrame ew)
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237 {
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238 ew->emacs_frame.frame->pixheight = ew->core.height;
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239 ew->emacs_frame.frame->pixwidth = ew->core.width;
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240 ew->emacs_frame.frame->internal_border_width =
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241 ew->emacs_frame.internal_border_width;
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242 }
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243
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244 static void
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245 EmacsFrameInitialize (Widget request, Widget new,
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246 ArgList dum1, Cardinal *dum2)
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247 {
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248 EmacsFrame ew = (EmacsFrame)new;
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249 struct frame *f = ew->emacs_frame.frame;
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250
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251 if (!f)
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252 fatal ("can't create an emacs frame widget without a frame.");
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253 }
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254
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255 void emacs_Xt_event_handler (Widget wid /* unused */,
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256 XtPointer closure /* unused */,
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257 XEvent *event,
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258 Boolean *continue_to_dispatch /* unused */);
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259
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260 static void
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261 EmacsFrameRealize (Widget widget, XtValueMask *mask,
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262 XSetWindowAttributes *attrs)
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263 {
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264 EmacsFrame ew = (EmacsFrame) widget;
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265 struct frame *f = ew->emacs_frame.frame;
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266 Widget shell_widget = FRAME_X_SHELL_WIDGET (f);
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267
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268 attrs->event_mask = (ExposureMask |
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269 StructureNotifyMask |
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270 VisibilityChangeMask |
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271 PropertyChangeMask |
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272 StructureNotifyMask |
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273 /*SubstructureNotifyMask |*/
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274 /*SubstructureRedirectMask |*/ /* Only for WMs! */
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275 KeyPressMask |
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276 KeyReleaseMask |
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277 ButtonPressMask |
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278 ButtonReleaseMask |
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279 FocusChangeMask |
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280 PointerMotionHintMask |
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281 PointerMotionMask |
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282 LeaveWindowMask |
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283 EnterWindowMask);
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284
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285 #ifdef I18N4
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286 /* Make sure that events wanted by the input method are selected. */
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287 attrs->event_mask |= input_method_event_mask;
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288 #endif
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289
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290 *mask |= CWEventMask;
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291
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292 if (ew->emacs_frame.use_backing_store)
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293 {
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294 attrs->backing_store = Always;
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295 *mask |= CWBackingStore;
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296 }
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297 XtCreateWindow (widget, InputOutput, (Visual *)CopyFromParent, *mask,
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298 attrs);
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299
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300 /* snarf the events we want. */
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301 XtInsertEventHandler (widget, attrs->event_mask, TRUE,
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302 emacs_Xt_event_handler, NULL, XtListHead);
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303 /* some events (e.g. map-notify and WM_DELETE_WINDOW) get sent
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304 directly to the shell, and the above event handler won't see
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305 them. So add a handler to get them. These events don't
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306 propagate, so there's no danger of them being seen twice. */
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307 XtInsertEventHandler (shell_widget,
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308 EnterWindowMask | LeaveWindowMask |
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309 VisibilityChangeMask | StructureNotifyMask |
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310 KeyPressMask,
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311 TRUE, emacs_Xt_event_handler, NULL, XtListHead);
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312
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313 #ifdef EXTERNAL_WIDGET
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314 /* #### Not sure if this special case is necessary */
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315 if (!FRAME_X_EXTERNAL_WINDOW_P (f))
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316 #endif
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317 /* This is necessary under Motif in order to make it possible to click in
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318 a buffer and move focus out of a dialog box or control panel and back
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319 into emacs-land; also necessary so that you can still type chars
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320 if the cursor is over the menubar or scrollbar. */
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321 lw_set_keyboard_focus (shell_widget, FRAME_X_TEXT_WIDGET (f));
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322 }
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323
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324 /* DO NOT CALL THIS FUNCTION! Only Xt is supposed to do this. */
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325
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326 static void
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327 EmacsFrameResize (Widget widget)
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328 {
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329 EmacsFrame ew = (EmacsFrame)widget;
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330 struct frame *f = ew->emacs_frame.frame;
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331 int columns;
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332 int rows;
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333 XtWidgetGeometry req, repl;
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334
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335 pixel_to_char_size (f, ew->core.width, ew->core.height, &columns, &rows);
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336 update_various_frame_slots (ew);
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337 change_frame_size (f, rows, columns, 0);
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338
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339 /* Now we tell the EmacsShell that we've changed the size of the non-fixed
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340 portion of the frame. Note that, if we the resize occurred as a result
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341 of EmacsFrameSetCharSize(), this information will be stored twice.
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342 This is not a big deal, as storing this information doesn't actually
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343 do anything until the next resize. */
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344 if (FRAME_X_TOP_LEVEL_FRAME_P (f))
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345 x_wm_set_variable_size (FRAME_X_SHELL_WIDGET (f), columns, rows);
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346
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347 /* Kick the manager so that it knows we've changed size. */
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348 req.request_mode = 0;
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349 XtQueryGeometry (FRAME_X_CONTAINER_WIDGET (f), &req, &repl);
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350 EmacsManagerChangeSize (FRAME_X_CONTAINER_WIDGET (f), repl.width,
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351 repl.height);
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352 }
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353
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354 static Boolean
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355 EmacsFrameSetValues (Widget cur_widget, Widget req_widget, Widget new_widget,
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356 ArgList dum1, Cardinal *dum2)
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357 {
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358 EmacsFrame cur = (EmacsFrame) cur_widget;
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359 EmacsFrame new = (EmacsFrame) new_widget;
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360 Lisp_Object frame = Qnil;
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361
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362 XSETFRAME (frame, new->emacs_frame.frame);
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363 in_resource_setting++;
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364 /* This function does not need to do much. Pretty much everything
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365 interesting will get done in the resize method, which will
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366 (if necessary) get called by Xt when this function returns
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367 (see below).
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368 */
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369
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370 /* #### This function will not work if it is not called from
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371 update_EmacsFrame(), called from SET_FACE_PROPERTY().
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372 The code located there should be moved inside of here instead,
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373 so that things work if either SET_FACE_PROPERTY() is
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374 called or XtSetValues() is called.
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375 */
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376
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377 if (cur->emacs_frame.iconic != new->emacs_frame.iconic &&
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378 FRAME_X_TOP_LEVEL_FRAME_P (new->emacs_frame.frame))
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379 x_wm_set_shell_iconic_p (FRAME_X_SHELL_WIDGET (new->emacs_frame.frame),
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380 new->emacs_frame.iconic);
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381
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382 if (!in_specifier_change_function)
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383 {
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384 /* If we got here, then we were likely called as a result of
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385 the EditRes protocol, so go ahead and change scrollbar-width
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386 and scrollbar-height. Otherwise, we're merely mirroring
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387 a change made to scrollbar-width etc. so don't do anything
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388 special. */
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389 #ifdef HAVE_SCROLLBARS
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390 if (cur->emacs_frame.scrollbar_width !=
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391 new->emacs_frame.scrollbar_width)
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392 Fadd_spec_to_specifier
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393 (Vscrollbar_width,
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394 make_int (new->emacs_frame.scrollbar_width),
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395 frame, Qnil, Qnil);
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396 if (cur->emacs_frame.scrollbar_height !=
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397 new->emacs_frame.scrollbar_height)
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398 Fadd_spec_to_specifier
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399 (Vscrollbar_height,
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400 make_int (new->emacs_frame.scrollbar_height),
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401 frame, Qnil, Qnil);
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402 #endif
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403 #ifdef HAVE_TOOLBARS
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404 if (cur->emacs_frame.top_toolbar_height !=
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405 new->emacs_frame.top_toolbar_height)
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406 Fadd_spec_to_specifier
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407 (Vtoolbar_size[TOP_TOOLBAR],
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408 make_int (new->emacs_frame.top_toolbar_height),
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409 frame, Qnil, Qnil);
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410 if (cur->emacs_frame.bottom_toolbar_height !=
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411 new->emacs_frame.bottom_toolbar_height)
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412 Fadd_spec_to_specifier
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413 (Vtoolbar_size[BOTTOM_TOOLBAR],
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414 make_int (new->emacs_frame.bottom_toolbar_height),
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415 frame, Qnil, Qnil);
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416 if (cur->emacs_frame.left_toolbar_width !=
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417 new->emacs_frame.left_toolbar_width)
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418 Fadd_spec_to_specifier
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419 (Vtoolbar_size[LEFT_TOOLBAR],
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420 make_int (new->emacs_frame.left_toolbar_width),
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421 frame, Qnil, Qnil);
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422 if (cur->emacs_frame.right_toolbar_width !=
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423 new->emacs_frame.right_toolbar_width)
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424 Fadd_spec_to_specifier
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425 (Vtoolbar_size[RIGHT_TOOLBAR],
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426 make_int (new->emacs_frame.right_toolbar_width),
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427 frame, Qnil, Qnil);
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|
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428 #endif
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|
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429 }
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|
|
430 in_resource_setting--;
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|
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431
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432 return False;
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|
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433
|
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434 /* Note that if either (a) we return True, or (b) the width or
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|
|
435 height has changed, an Expose event will be generated. The Xt
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436 manual says you should not return True if the width or height has
|
|
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437 changed, because then two Expose events will be generated.
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438
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|
|
439 In any case, there is no need to return True because
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440 SET_FACE_PROPERTY(), which does the resource
|
|
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441 setting, automatically forces a redisplay as necessary. */
|
|
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442 }
|
|
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443
|
|
|
444 static XtGeometryResult
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|
|
445 EmacsFrameQueryGeometry (Widget widget, XtWidgetGeometry *request,
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|
|
446 XtWidgetGeometry *result)
|
|
|
447 {
|
|
|
448 EmacsFrame ew = (EmacsFrame) widget;
|
|
|
449 int mask = request->request_mode;
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|
|
450 Dimension width, height;
|
|
|
451 int ok_width_int, ok_height_int;
|
|
|
452 Dimension ok_width, ok_height;
|
|
|
453
|
|
|
454 /* We have a definite preference for what size we would like
|
|
|
455 to be.
|
|
|
456
|
|
|
457 1) If a preferred size was specified for us, use it.
|
|
|
458 (This is not currently used)
|
|
|
459 2) If a proposed size was given, round it to the nearest
|
|
|
460 multiple of the default char size and return it.
|
|
|
461 3) Otherwise, take our current size and round it to the
|
|
|
462 nearest multiple of the default char size. */
|
|
|
463
|
|
|
464 width = mask & CWWidth ? request->width : ew->core.width;
|
|
|
465 height = mask & CWHeight ? request->height : ew->core.height;
|
|
|
466 round_size_to_char (ew->emacs_frame.frame, width, height,
|
|
|
467 &ok_width_int, &ok_height_int);
|
|
|
468 ok_width = (Dimension) ok_width_int;
|
|
|
469 ok_height = (Dimension) ok_height_int;
|
|
|
470 if (ew->emacs_frame.preferred_width)
|
|
|
471 ok_width = ew->emacs_frame.preferred_width;
|
|
|
472 if (ew->emacs_frame.preferred_height)
|
|
|
473 ok_height = ew->emacs_frame.preferred_height;
|
|
|
474 result->request_mode |= CWWidth | CWHeight;
|
|
|
475 result->width = ok_width;
|
|
|
476 result->height = ok_height;
|
|
|
477 if (((mask & CWWidth) && ok_width != request->width)
|
|
|
478 || ((mask & CWHeight) && ok_height != request->height))
|
|
|
479 return XtGeometryAlmost;
|
|
|
480 else
|
|
|
481 return XtGeometryYes;
|
|
|
482 }
|
|
|
483 /**** string-to-scrollbar-placement converter: modelled after edge-type
|
|
|
484 converter in Xaw/Form.c ****/
|
|
|
485
|
|
|
486 #define done(address, type) \
|
|
|
487 toVal->size = sizeof(type); \
|
|
|
488 toVal->addr = (XtPointer) address; \
|
|
|
489 return /* `;' supplied by caller */
|
|
|
490
|
|
|
491 /* This variable cannot be a stack variable. */
|
|
|
492 static unsigned char cvt_string_scrollbar_placement;
|
|
|
493
|
|
|
494 /* ARGSUSED */
|
|
|
495 static void
|
|
|
496 _CvtStringToScrollBarPlacement (args, num_args, fromVal, toVal)
|
|
|
497 XrmValuePtr args; /* unused */
|
|
|
498 Cardinal *num_args; /* unused */
|
|
|
499 XrmValuePtr fromVal;
|
|
|
500 XrmValuePtr toVal;
|
|
|
501 {
|
|
|
502 XrmQuark q;
|
|
|
503 char lowerName[1000];
|
|
|
504
|
|
|
505 XmuCopyISOLatin1Lowered (lowerName, (char*)fromVal->addr);
|
|
|
506 q = XrmStringToQuark(lowerName);
|
|
|
507 if (q == XrmStringToQuark ("top_left"))
|
|
|
508 {
|
|
|
509 cvt_string_scrollbar_placement = XtTOP_LEFT;
|
|
|
510 done (&cvt_string_scrollbar_placement, unsigned char);
|
|
|
511 }
|
|
|
512 if (q == XrmStringToQuark ("bottom_left"))
|
|
|
513 {
|
|
|
514 cvt_string_scrollbar_placement = XtBOTTOM_LEFT;
|
|
|
515 done (&cvt_string_scrollbar_placement, unsigned char);
|
|
|
516 }
|
|
|
517 if (q == XrmStringToQuark ("top_right"))
|
|
|
518 {
|
|
|
519 cvt_string_scrollbar_placement = XtTOP_RIGHT;
|
|
|
520 done (&cvt_string_scrollbar_placement, unsigned char);
|
|
|
521 }
|
|
|
522 if (q == XrmStringToQuark ("bottom_right"))
|
|
|
523 {
|
|
|
524 cvt_string_scrollbar_placement = XtBOTTOM_RIGHT;
|
|
|
525 done (&cvt_string_scrollbar_placement, unsigned char);
|
|
|
526 }
|
|
|
527 XtStringConversionWarning (fromVal->addr, "scrollBarPlacement");
|
|
|
528 toVal->addr = NULL;
|
|
|
529 toVal->size = 0;
|
|
|
530 }
|
|
|
531
|
|
|
532 static void
|
|
|
533 EmacsFrameClassInitialize (void)
|
|
|
534 {
|
|
|
535 XtAddConverter (XtRString, XtRScrollBarPlacement,
|
|
|
536 _CvtStringToScrollBarPlacement, NULL, 0);
|
|
|
537 }
|
|
|
538
|
|
|
539 /********************* Special entrypoints *******************/
|
|
|
540
|
|
|
541 void
|
|
|
542 EmacsFrameRecomputeCellSize (Widget w)
|
|
|
543 {
|
|
|
544 EmacsFrame ew = (EmacsFrame) w;
|
|
|
545 int cw, ch;
|
|
|
546 struct frame *f = ew->emacs_frame.frame;
|
|
|
547
|
|
|
548 if (! XtIsSubclass (w, emacsFrameClass))
|
|
|
549 abort ();
|
|
|
550
|
|
|
551 default_face_height_and_width (make_frame (f), &ch, &cw);
|
|
|
552 if (FRAME_X_TOP_LEVEL_FRAME_P (f))
|
|
|
553 x_wm_set_cell_size (FRAME_X_SHELL_WIDGET (f), cw, ch);
|
|
|
554 }
|
|
|
555
|
|
|
556 /* Set the size of the widget to have the number of rows and columns
|
|
|
557 specified. This both causes the X window to change and the
|
|
|
558 internal frame structures to get modified to match. */
|
|
|
559
|
|
|
560 void
|
|
|
561 EmacsFrameSetCharSize (Widget widget, int columns, int rows)
|
|
|
562 {
|
|
|
563 EmacsFrame ew = (EmacsFrame) widget;
|
|
|
564 int pixel_width, pixel_height;
|
|
|
565 struct frame *f = ew->emacs_frame.frame;
|
|
|
566
|
|
|
567 if (columns < 3)
|
|
|
568 columns = 3; /* no way buddy */
|
|
|
569 if (rows < 1)
|
|
|
570 rows = 1;
|
|
|
571
|
|
|
572 char_to_pixel_size (f, columns, rows, &pixel_width, &pixel_height);
|
|
|
573
|
|
|
574 if (FRAME_X_TOP_LEVEL_FRAME_P (f))
|
|
|
575 x_wm_set_variable_size (FRAME_X_SHELL_WIDGET (f), columns, rows);
|
|
|
576
|
|
|
577 XtVaSetValues ((Widget) ew,
|
|
|
578 XtNwidth, (Dimension) pixel_width,
|
|
|
579 XtNheight, (Dimension) pixel_height,
|
|
|
580 0);
|
|
|
581 }
|
