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428
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1 /* Widget-specific glyph objects.
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2 Copyright (C) 1998, 1999 Andy Piper.
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3
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4 This file is part of XEmacs.
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5
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6 XEmacs is free software; you can redistribute it and/or modify it
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7 under the terms of the GNU General Public License as published by the
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8 Free Software Foundation; either version 2, or (at your option) any
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9 later version.
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10
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11 XEmacs is distributed in the hope that it will be useful, but WITHOUT
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12 ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
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13 FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License
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14 for more details.
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15
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16 You should have received a copy of the GNU General Public License
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17 along with XEmacs; see the file COPYING. If not, write to
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18 the Free Software Foundation, Inc., 59 Temple Place - Suite 330,
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19 Boston, MA 02111-1307, USA. */
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20
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21 /* Synched up with: Not in FSF. */
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22
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23 /* written by Andy Piper <andy@xemacs.org> */
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24
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25 #include <config.h>
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26 #include "lisp.h"
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27 #include "lstream.h"
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28 #include "console.h"
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29 #include "device.h"
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30 #include "faces.h"
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31 #include "glyphs.h"
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32 #include "objects.h"
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33 #include "bytecode.h"
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34 #include "window.h"
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35 #include "buffer.h"
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36 #include "frame.h"
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37 #include "insdel.h"
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38 #include "opaque.h"
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39
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40 DEFINE_IMAGE_INSTANTIATOR_FORMAT (button);
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41 DEFINE_IMAGE_INSTANTIATOR_FORMAT (combo_box);
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42 Lisp_Object Qcombo_box;
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43 DEFINE_IMAGE_INSTANTIATOR_FORMAT (edit_field);
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44 Lisp_Object Qedit_field;
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45 DEFINE_IMAGE_INSTANTIATOR_FORMAT (scrollbar);
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46 Lisp_Object Qscrollbar;
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47 DEFINE_IMAGE_INSTANTIATOR_FORMAT (widget);
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48 DEFINE_IMAGE_INSTANTIATOR_FORMAT (label);
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49 Lisp_Object Qlabel;
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50 DEFINE_IMAGE_INSTANTIATOR_FORMAT (progress_gauge);
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51 Lisp_Object Qprogress_gauge;
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52 DEFINE_IMAGE_INSTANTIATOR_FORMAT (tree_view);
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53 Lisp_Object Qtree_view;
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54 DEFINE_IMAGE_INSTANTIATOR_FORMAT (tab_control);
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55 Lisp_Object Qtab_control;
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56 DEFINE_IMAGE_INSTANTIATOR_FORMAT (layout);
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57 Lisp_Object Qlayout;
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58
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59 Lisp_Object Q_descriptor, Q_height, Q_width, Q_properties, Q_items;
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60 Lisp_Object Q_image, Q_text, Q_percent, Q_orientation, Q_justify, Q_border;
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61 Lisp_Object Qetched_in, Qetched_out, Qbevel_in, Qbevel_out;
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62
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63 #define WIDGET_BORDER_HEIGHT 4
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64 #define WIDGET_BORDER_WIDTH 4
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65
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66 #ifdef DEBUG_WIDGETS
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67 int debug_widget_instances;
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68 #endif
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69
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70 /* TODO:
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71 - more complex controls.
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72 - tooltips for controls.
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73 */
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74
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75 /* In windows normal windows work in pixels, dialog boxes work in
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76 dialog box units. Why? sigh. We could reuse the metrics for dialogs
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77 if this were not the case. As it is we have to position things
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78 pixel wise. I'm not even sure that X has this problem at least for
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79 buttons in groups. */
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80 Lisp_Object
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81 widget_face_font_info (Lisp_Object domain, Lisp_Object face,
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82 int *height, int *width)
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83 {
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84 Lisp_Object font_instance = FACE_FONT (face, domain, Vcharset_ascii);
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85
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86 if (height)
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87 *height = XFONT_INSTANCE (font_instance)->height;
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88 if (width)
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89 *width = XFONT_INSTANCE (font_instance)->width;
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90
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91 return font_instance;
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92 }
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93
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94 void
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95 widget_text_to_pixel_conversion (Lisp_Object domain, Lisp_Object face,
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96 int th, int tw,
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97 int* height, int* width)
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98 {
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99 int ch=0, cw=0;
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100 widget_face_font_info (domain, face, &ch, &cw);
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101 if (height)
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102 *height = th * ch + 2 * WIDGET_BORDER_HEIGHT;
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103 if (width)
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104 *width = tw * cw + 2 * WIDGET_BORDER_WIDTH;
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105 }
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106
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107 static int
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108 widget_possible_dest_types (void)
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109 {
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110 return IMAGE_WIDGET_MASK;
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111 }
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112
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113 static void
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114 check_valid_glyph_or_instantiator (Lisp_Object data)
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115 {
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116 Lisp_Object glyph = data;
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117 if (SYMBOLP (data))
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118 glyph = XSYMBOL (data)->value;
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119
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120 if (IMAGE_INSTANCEP (glyph))
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121 CHECK_IMAGE_INSTANCE (glyph);
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122 else if (!CONSP (glyph) && !VECTORP (glyph))
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123 CHECK_BUFFER_GLYPH (glyph);
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124 }
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125
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126 static void
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127 check_valid_orientation (Lisp_Object data)
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128 {
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129 if (!EQ (data, Qhorizontal)
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130 &&
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131 !EQ (data, Qvertical))
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132 signal_simple_error ("unknown orientation for layout", data);
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133 }
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134
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135 static void
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136 check_valid_justification (Lisp_Object data)
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137 {
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138 if (!EQ (data, Qleft) && !EQ (data, Qright) && !EQ (data, Qcenter))
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139 signal_simple_error ("unknown justification for layout", data);
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140 }
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141
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142 static void
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143 check_valid_border (Lisp_Object data)
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144 {
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145 if (!EQ (data, Qt) && !EQ (data, Qetched_in) && !EQ (data, Qetched_out)
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146 && !EQ (data, Qbevel_in) && !EQ (data, Qbevel_out)
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147 && !GLYPHP (data) && !VECTORP (data))
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148 signal_simple_error ("unknown border style for layout", data);
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149 }
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150
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151 static void
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152 check_valid_anything (Lisp_Object data)
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153 {
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154 }
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155
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156 static void
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157 check_valid_callback (Lisp_Object data)
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158 {
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159 if (!SYMBOLP (data)
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160 && !COMPILED_FUNCTIONP (data)
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161 && !CONSP (data))
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162 {
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163 signal_simple_error (":callback must be a function or expression", data);
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164 }
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165 }
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166
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167 static void
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168 check_valid_symbol (Lisp_Object data)
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169 {
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170 CHECK_SYMBOL (data);
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171 }
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172
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173 static void
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174 check_valid_string_or_vector (Lisp_Object data)
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175 {
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176 if (!STRINGP (data) && !VECTORP (data))
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177 signal_simple_error (":descriptor must be a string or a vector", data);
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178 }
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179
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180 void
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181 check_valid_item_list_1 (Lisp_Object items)
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182 {
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183 Lisp_Object rest;
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184
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185 CHECK_LIST (items);
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186 EXTERNAL_LIST_LOOP (rest, items)
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187 {
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188 if (STRINGP (XCAR (rest)))
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189 CHECK_STRING (XCAR (rest));
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190 else if (VECTORP (XCAR (rest)))
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191 gui_parse_item_keywords (XCAR (rest));
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192 else if (LISTP (XCAR (rest)))
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193 check_valid_item_list_1 (XCAR (rest));
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194 else
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195 signal_simple_error ("Items must be vectors, lists or strings", items);
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196 }
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197 }
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198
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199 static void
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200 check_valid_item_list (Lisp_Object data)
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201 {
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202 Lisp_Object items;
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203
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204 Fcheck_valid_plist (data);
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205 items = Fplist_get (data, Q_items, Qnil);
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206
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207 check_valid_item_list_1 (items);
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208 }
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209
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210 static void
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211 check_valid_glyph_or_instantiator_list (Lisp_Object data)
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212 {
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213 Lisp_Object rest;
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214
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215 CHECK_LIST (data);
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216 EXTERNAL_LIST_LOOP (rest, data)
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217 {
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218 check_valid_glyph_or_instantiator (XCAR (rest));
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219 }
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220 }
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221
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222 static Lisp_Object
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223 glyph_instantiator_to_glyph (Lisp_Object sym)
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224 {
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225 /* This function calls lisp. */
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226 Lisp_Object glyph = sym;
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227 struct gcpro gcpro1;
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228
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229 GCPRO1 (glyph);
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230 /* if we have a symbol get at the actual data */
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231 if (SYMBOLP (glyph))
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232 glyph = XSYMBOL (glyph)->value;
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233
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234 if (CONSP (glyph))
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235 glyph = Feval (glyph);
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236
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237 /* Be really helpful to the user. */
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238 if (VECTORP (glyph))
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239 {
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240 glyph = call1 (intern ("make-glyph"), glyph);
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241 }
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242
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243 /* substitute the new glyph */
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244 RETURN_UNGCPRO (glyph);
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245 }
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246
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247 static void
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248 substitute_keyword_value (Lisp_Object inst, Lisp_Object key, Lisp_Object val)
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249 {
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250 int i;
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251 /* substitute the new glyph */
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252 for (i = 0; i < XVECTOR_LENGTH (inst); i++)
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253 {
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254 if (EQ (key, XVECTOR_DATA (inst)[i]))
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255 {
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256 XVECTOR_DATA (inst)[i+1] = val;
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257 break;
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258 }
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259 }
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260 }
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261
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262 /* wire widget property invocations to specific widgets ... The
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263 problem we are solving here is that when instantiators get converted
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264 to instances they lose some type information (they just become
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265 subwindows or widgets for example). For widgets we need to preserve
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266 this type information so that we can do widget specific operations on
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267 the instances. This is encoded in the widget type
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268 field. widget_property gets invoked by decoding the primary type
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269 (Qwidget), widget property then invokes based on the secondary type
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270 (Qedit_field for example). It is debatable that we should wire things in this
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271 generalised way rather than treating widgets specially in
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272 image_instance_property. */
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273 static Lisp_Object
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274 widget_property (Lisp_Object image_instance, Lisp_Object prop)
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275 {
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276 struct Lisp_Image_Instance* ii = XIMAGE_INSTANCE (image_instance);
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277 struct image_instantiator_methods* meths;
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278
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279 /* first see if its a general property ... */
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280 if (!NILP (Fplist_member (IMAGE_INSTANCE_WIDGET_PROPS (ii), prop)))
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281 return Fplist_get (IMAGE_INSTANCE_WIDGET_PROPS (ii), prop, Qnil);
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282
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283 /* .. then try device specific methods ... */
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284 meths = decode_device_ii_format (IMAGE_INSTANCE_DEVICE (ii),
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285 IMAGE_INSTANCE_WIDGET_TYPE (ii),
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286 ERROR_ME_NOT);
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287 if (meths && HAS_IIFORMAT_METH_P (meths, property))
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288 return IIFORMAT_METH (meths, property, (image_instance, prop));
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289 /* ... then format specific methods ... */
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290 meths = decode_device_ii_format (Qnil, IMAGE_INSTANCE_WIDGET_TYPE (ii),
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291 ERROR_ME_NOT);
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292 if (meths && HAS_IIFORMAT_METH_P (meths, property))
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293 return IIFORMAT_METH (meths, property, (image_instance, prop));
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294 /* ... then fail */
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295 return Qunbound;
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296 }
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297
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298 static Lisp_Object
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299 widget_set_property (Lisp_Object image_instance, Lisp_Object prop, Lisp_Object val)
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300 {
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301 struct Lisp_Image_Instance* ii = XIMAGE_INSTANCE (image_instance);
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302 struct image_instantiator_methods* meths;
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303 Lisp_Object ret;
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304
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305 /* try device specific methods first ... */
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306 meths = decode_device_ii_format (IMAGE_INSTANCE_DEVICE (ii),
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307 IMAGE_INSTANCE_WIDGET_TYPE (ii),
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308 ERROR_ME_NOT);
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309 if (meths && HAS_IIFORMAT_METH_P (meths, set_property)
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310 &&
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311 !UNBOUNDP (ret =
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312 IIFORMAT_METH (meths, set_property, (image_instance, prop, val))))
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313 {
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314 return ret;
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315 }
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316 /* ... then format specific methods ... */
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317 meths = decode_device_ii_format (Qnil, IMAGE_INSTANCE_WIDGET_TYPE (ii),
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318 ERROR_ME_NOT);
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319 if (meths && HAS_IIFORMAT_METH_P (meths, set_property)
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320 &&
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321 !UNBOUNDP (ret =
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322 IIFORMAT_METH (meths, set_property, (image_instance, prop, val))))
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323 {
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324 return ret;
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325 }
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326 /* we didn't do any device specific properties, so shove the property in our plist */
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327 IMAGE_INSTANCE_WIDGET_PROPS (ii)
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328 = Fplist_put (IMAGE_INSTANCE_WIDGET_PROPS (ii), prop, val);
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329 return val;
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330 }
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331
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332 static void
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333 widget_validate (Lisp_Object instantiator)
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334 {
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335 Lisp_Object desc = find_keyword_in_vector (instantiator, Q_descriptor);
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336
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337 if (NILP (desc))
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338 signal_simple_error ("Must supply :descriptor", instantiator);
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339
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340 if (VECTORP (desc))
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341 gui_parse_item_keywords (desc);
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342
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343 if (!NILP (find_keyword_in_vector (instantiator, Q_width))
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344 && !NILP (find_keyword_in_vector (instantiator, Q_pixel_width)))
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345 signal_simple_error ("Must supply only one of :width and :pixel-width", instantiator);
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346
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347 if (!NILP (find_keyword_in_vector (instantiator, Q_height))
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348 && !NILP (find_keyword_in_vector (instantiator, Q_pixel_height)))
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349 signal_simple_error ("Must supply only one of :height and :pixel-height", instantiator);
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350 }
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351
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352 static void
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353 combo_box_validate (Lisp_Object instantiator)
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354 {
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355 widget_validate (instantiator);
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356 if (NILP (find_keyword_in_vector (instantiator, Q_properties)))
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357 signal_simple_error ("Must supply item list", instantiator);
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358 }
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359
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360 /* we need to convert things like glyphs to images, eval expressions
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361 etc.*/
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362 static Lisp_Object
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363 widget_normalize (Lisp_Object inst, Lisp_Object console_type)
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364 {
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365 /* This function can call lisp */
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366 Lisp_Object glyph = find_keyword_in_vector (inst, Q_image);
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367
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368 /* we need to eval glyph if its an expression, we do this for the
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369 same reasons we normalize file to data. */
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370 if (!NILP (glyph))
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371 {
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372 substitute_keyword_value (inst, Q_image, glyph_instantiator_to_glyph (glyph));
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373 }
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374
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375 return inst;
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376 }
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377
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378 static void
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379 initialize_widget_image_instance (struct Lisp_Image_Instance *ii, Lisp_Object type)
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380 {
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381 /* initialize_subwindow_image_instance (ii);*/
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382 IMAGE_INSTANCE_WIDGET_TYPE (ii) = type;
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383 IMAGE_INSTANCE_WIDGET_PROPS (ii) = Qnil;
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384 IMAGE_INSTANCE_WIDGET_FACE (ii) = Vwidget_face;
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385 IMAGE_INSTANCE_WIDGET_ITEMS (ii) = allocate_gui_item ();
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386 }
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387
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388 /* Instantiate a button widget. Unfortunately instantiated widgets are
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389 particular to a frame since they need to have a parent. It's not
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390 like images where you just select the image into the context you
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391 want to display it in and BitBlt it. So image instances can have a
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392 many-to-one relationship with things you see, whereas widgets can
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393 only be one-to-one (i.e. per frame) */
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394 void
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395 widget_instantiate_1 (Lisp_Object image_instance, Lisp_Object instantiator,
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396 Lisp_Object pointer_fg, Lisp_Object pointer_bg,
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397 int dest_mask, Lisp_Object domain, int default_textheight,
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398 int default_pixheight, int default_textwidth)
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399 {
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400 struct Lisp_Image_Instance *ii = XIMAGE_INSTANCE (image_instance);
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|
|
401 Lisp_Object face = find_keyword_in_vector (instantiator, Q_face);
|
|
|
402 Lisp_Object height = find_keyword_in_vector (instantiator, Q_height);
|
|
|
403 Lisp_Object width = find_keyword_in_vector (instantiator, Q_width);
|
|
|
404 Lisp_Object pixwidth = find_keyword_in_vector (instantiator, Q_pixel_width);
|
|
|
405 Lisp_Object pixheight = find_keyword_in_vector (instantiator, Q_pixel_height);
|
|
|
406 Lisp_Object desc = find_keyword_in_vector (instantiator, Q_descriptor);
|
|
|
407 Lisp_Object glyph = find_keyword_in_vector (instantiator, Q_image);
|
|
|
408 Lisp_Object props = find_keyword_in_vector (instantiator, Q_properties);
|
|
|
409 int pw=0, ph=0, tw=0, th=0;
|
|
|
410
|
|
|
411 /* this just does pixel type sizing */
|
|
|
412 subwindow_instantiate (image_instance, instantiator, pointer_fg, pointer_bg,
|
|
|
413 dest_mask, domain);
|
|
|
414
|
|
|
415 if (!(dest_mask & IMAGE_WIDGET_MASK))
|
|
|
416 incompatible_image_types (instantiator, dest_mask, IMAGE_WIDGET_MASK);
|
|
|
417
|
|
|
418 initialize_widget_image_instance (ii, XVECTOR_DATA (instantiator)[0]);
|
|
|
419
|
|
|
420 /* retrieve the fg and bg colors */
|
|
|
421 if (!NILP (face))
|
|
|
422 IMAGE_INSTANCE_WIDGET_FACE (ii) = Fget_face (face);
|
|
|
423
|
|
|
424 /* data items for some widgets */
|
|
|
425 IMAGE_INSTANCE_WIDGET_PROPS (ii) = props;
|
|
|
426
|
|
|
427 /* retrieve the gui item information. This is easy if we have been
|
|
|
428 provided with a vector, more difficult if we have just been given
|
|
|
429 keywords */
|
|
|
430 if (STRINGP (desc) || NILP (desc))
|
|
|
431 {
|
|
|
432 /* big cheat - we rely on the fact that a gui item looks like an instantiator */
|
|
|
433 IMAGE_INSTANCE_WIDGET_ITEMS (ii) =
|
|
|
434 gui_parse_item_keywords_no_errors (instantiator);
|
|
|
435 IMAGE_INSTANCE_WIDGET_TEXT (ii) = desc;
|
|
|
436 }
|
|
|
437 else
|
|
|
438 IMAGE_INSTANCE_WIDGET_ITEMS (ii) =
|
|
|
439 gui_parse_item_keywords_no_errors (desc);
|
|
|
440
|
|
|
441 /* parse more gui items out of the properties */
|
|
|
442 if (!NILP (props))
|
|
|
443 {
|
|
|
444 Lisp_Object items = Fplist_get (props, Q_items, Qnil);
|
|
|
445 if (!NILP (items))
|
|
|
446 IMAGE_INSTANCE_WIDGET_ITEMS (ii) =
|
|
|
447 Fcons (IMAGE_INSTANCE_WIDGET_ITEMS (ii),
|
|
|
448 parse_gui_item_tree_children (items));
|
|
|
449 }
|
|
|
450
|
|
|
451 /* normalize size information */
|
|
|
452 if (!NILP (width))
|
|
|
453 tw = XINT (width);
|
|
|
454 if (!NILP (height))
|
|
|
455 th = XINT (height);
|
|
|
456 if (!NILP (pixwidth))
|
|
|
457 pw = XINT (pixwidth);
|
|
|
458 if (!NILP (pixheight))
|
|
|
459 ph = XINT (pixheight);
|
|
|
460
|
|
|
461 /* for a widget with an image pick up the dimensions from that */
|
|
|
462 if (!NILP (glyph))
|
|
|
463 {
|
|
|
464 if (!pw && !tw)
|
|
|
465 pw = glyph_width (glyph, Qnil, DEFAULT_INDEX, domain)
|
|
|
466 + 2 * WIDGET_BORDER_WIDTH;
|
|
|
467 if (!ph && !th)
|
|
|
468 ph = glyph_height (glyph, Qnil, DEFAULT_INDEX, domain)
|
|
|
469 + 2 * WIDGET_BORDER_HEIGHT;
|
|
|
470 }
|
|
|
471
|
|
|
472 /* if we still don' t have sizes, guess from text size */
|
|
|
473 if (!tw && !pw)
|
|
|
474 {
|
|
|
475 if (default_textwidth)
|
|
|
476 tw = default_textwidth;
|
|
|
477 else if (!NILP (IMAGE_INSTANCE_WIDGET_TEXT (ii)))
|
|
|
478 tw = XSTRING_LENGTH (IMAGE_INSTANCE_WIDGET_TEXT (ii));
|
|
|
479 }
|
|
|
480
|
|
|
481 if (!th && !ph)
|
|
|
482 {
|
|
|
483 if (default_textheight)
|
|
|
484 th = default_textheight;
|
|
|
485 else if (!NILP (IMAGE_INSTANCE_WIDGET_TEXT (ii)))
|
|
|
486 th = 1;
|
|
|
487 else
|
|
|
488 ph = default_pixheight;
|
|
|
489 }
|
|
|
490
|
|
|
491 if (tw !=0 || th !=0)
|
|
|
492 widget_text_to_pixel_conversion (domain,
|
|
|
493 IMAGE_INSTANCE_WIDGET_FACE (ii),
|
|
|
494 th, tw, th ? &ph : 0, tw ? &pw : 0);
|
|
|
495
|
|
|
496 IMAGE_INSTANCE_SUBWINDOW_WIDTH (ii) = pw;
|
|
|
497 IMAGE_INSTANCE_SUBWINDOW_HEIGHT (ii) = ph;
|
|
|
498 #ifdef DEBUG_WIDGETS
|
|
|
499 debug_widget_instances++;
|
|
|
500 stderr_out ("instantiated ");
|
|
|
501 debug_print (instantiator);
|
|
|
502 stderr_out ("%d widgets instantiated\n", debug_widget_instances);
|
|
|
503 #endif
|
|
|
504 }
|
|
|
505
|
|
|
506 static void
|
|
|
507 widget_instantiate (Lisp_Object image_instance, Lisp_Object instantiator,
|
|
|
508 Lisp_Object pointer_fg, Lisp_Object pointer_bg,
|
|
|
509 int dest_mask, Lisp_Object domain)
|
|
|
510 {
|
|
|
511 widget_instantiate_1 (image_instance, instantiator, pointer_fg,
|
|
|
512 pointer_bg, dest_mask, domain, 1, 0, 0);
|
|
|
513 }
|
|
|
514
|
|
|
515 /* tree-view generic instantiation - get the height right */
|
|
|
516 static void
|
|
|
517 tree_view_instantiate (Lisp_Object image_instance, Lisp_Object instantiator,
|
|
|
518 Lisp_Object pointer_fg, Lisp_Object pointer_bg,
|
|
|
519 int dest_mask, Lisp_Object domain)
|
|
|
520 {
|
|
|
521 Lisp_Object data = Fplist_get (find_keyword_in_vector (instantiator, Q_properties),
|
|
|
522 Q_items, Qnil);
|
|
|
523 int len;
|
|
|
524 GET_LIST_LENGTH (data, len);
|
|
|
525 widget_instantiate_1 (image_instance, instantiator, pointer_fg,
|
|
|
526 pointer_bg, dest_mask, domain, len + 1, 0, 0);
|
|
|
527 }
|
|
|
528
|
|
|
529 static void
|
|
|
530 tab_control_instantiate (Lisp_Object image_instance, Lisp_Object instantiator,
|
|
|
531 Lisp_Object pointer_fg, Lisp_Object pointer_bg,
|
|
|
532 int dest_mask, Lisp_Object domain)
|
|
|
533 {
|
|
|
534 Lisp_Object data = Fplist_get (find_keyword_in_vector (instantiator, Q_properties),
|
|
|
535 Q_items, Qnil);
|
|
|
536 Lisp_Object rest;
|
|
|
537 int len = 0;
|
|
|
538
|
|
|
539 LIST_LOOP (rest, data)
|
|
|
540 {
|
|
|
541 len += 3; /* some bias */
|
|
|
542 if (STRINGP (XCAR (rest)))
|
|
|
543 len += XSTRING_LENGTH (XCAR (rest));
|
|
|
544 else if (VECTORP (XCAR (rest)))
|
|
|
545 {
|
|
|
546 Lisp_Object gui = gui_parse_item_keywords (XCAR (rest));
|
|
|
547 len += XSTRING_LENGTH (XGUI_ITEM (gui)->name);
|
|
|
548 }
|
|
|
549 }
|
|
|
550
|
|
|
551 widget_instantiate_1 (image_instance, instantiator, pointer_fg,
|
|
|
552 pointer_bg, dest_mask, domain, 0, 0, len);
|
|
|
553 }
|
|
|
554
|
|
|
555 /* Instantiate a static control */
|
|
|
556 static void
|
|
|
557 static_instantiate (Lisp_Object image_instance, Lisp_Object instantiator,
|
|
|
558 Lisp_Object pointer_fg, Lisp_Object pointer_bg,
|
|
|
559 int dest_mask, Lisp_Object domain)
|
|
|
560 {
|
|
|
561 widget_instantiate_1 (image_instance, instantiator, pointer_fg,
|
|
|
562 pointer_bg, dest_mask, domain, 0, 4, 0);
|
|
|
563 }
|
|
|
564
|
|
|
565
|
|
|
566 /*****************************************************************************
|
|
|
567 * widget layout *
|
|
|
568 *****************************************************************************/
|
|
|
569 static int
|
|
|
570 layout_possible_dest_types (void)
|
|
|
571 {
|
|
|
572 return IMAGE_LAYOUT_MASK;
|
|
|
573 }
|
|
|
574
|
|
|
575 /* we need to convert things like glyphs to images, eval expressions
|
|
|
576 etc.*/
|
|
|
577 static Lisp_Object
|
|
|
578 layout_normalize (Lisp_Object inst, Lisp_Object console_type)
|
|
|
579 {
|
|
|
580 /* This function can call lisp */
|
|
|
581 Lisp_Object items = find_keyword_in_vector (inst, Q_items);
|
|
|
582 Lisp_Object border = find_keyword_in_vector (inst, Q_border);
|
|
|
583 /* we need to eval glyph if its an expression, we do this for the
|
|
|
584 same reasons we normalize file to data. */
|
|
|
585 if (!NILP (items))
|
|
|
586 {
|
|
|
587 Lisp_Object rest;
|
|
|
588 LIST_LOOP (rest, items)
|
|
|
589 {
|
|
|
590 /* substitute the new glyph */
|
|
|
591 Fsetcar (rest, glyph_instantiator_to_glyph (XCAR (rest)));
|
|
|
592 }
|
|
|
593 }
|
|
|
594 /* normalize the border spec. */
|
|
|
595 if (VECTORP (border) || CONSP (border))
|
|
|
596 {
|
|
|
597 substitute_keyword_value (inst, Q_border, glyph_instantiator_to_glyph (border));
|
|
|
598 }
|
|
|
599 return inst;
|
|
|
600 }
|
|
|
601
|
|
|
602 /* Instantiate a layout widget. */
|
|
|
603 static void
|
|
|
604 layout_instantiate (Lisp_Object image_instance, Lisp_Object instantiator,
|
|
|
605 Lisp_Object pointer_fg, Lisp_Object pointer_bg,
|
|
|
606 int dest_mask, Lisp_Object domain)
|
|
|
607 {
|
|
|
608 struct Lisp_Image_Instance *ii = XIMAGE_INSTANCE (image_instance);
|
|
|
609 Lisp_Object rest, device = IMAGE_INSTANCE_DEVICE (ii);
|
|
|
610 Lisp_Object frame = FW_FRAME (domain);
|
|
|
611 Lisp_Object items = find_keyword_in_vector (instantiator, Q_items);
|
|
|
612 Lisp_Object width = find_keyword_in_vector (instantiator, Q_pixel_width);
|
|
|
613 Lisp_Object height = find_keyword_in_vector (instantiator, Q_pixel_height);
|
|
|
614 Lisp_Object orient = find_keyword_in_vector (instantiator, Q_orientation);
|
|
|
615 Lisp_Object justify = find_keyword_in_vector (instantiator, Q_justify);
|
|
|
616 Lisp_Object border = find_keyword_in_vector (instantiator, Q_border);
|
|
|
617 Lisp_Object children = Qnil;
|
|
|
618 int pw = 0, ph = 0, x, y, maxph = 0, maxpw = 0, nitems = 0,
|
|
|
619 horiz_spacing, vert_spacing, ph_adjust = 0;
|
|
|
620
|
|
|
621 if (NILP (frame))
|
|
|
622 signal_simple_error ("No selected frame", device);
|
|
|
623
|
|
|
624 if (!(dest_mask & IMAGE_LAYOUT_MASK))
|
|
|
625 incompatible_image_types (instantiator, dest_mask, IMAGE_LAYOUT_MASK);
|
|
|
626
|
|
|
627 if (NILP (orient))
|
|
|
628 orient = Qvertical;
|
|
|
629
|
|
|
630 if (EQ (border, Qt))
|
|
|
631 border = Qetched_in;
|
|
|
632
|
|
|
633 ii->data = 0;
|
|
|
634 IMAGE_INSTANCE_TYPE (ii) = IMAGE_LAYOUT;
|
|
|
635 IMAGE_INSTANCE_SUBWINDOW_ID (ii) = 0;
|
|
|
636 IMAGE_INSTANCE_SUBWINDOW_DISPLAYEDP (ii) = 0;
|
|
|
637 IMAGE_INSTANCE_SUBWINDOW_FRAME (ii) = frame;
|
|
|
638 IMAGE_INSTANCE_LAYOUT_BORDER (ii) = border;
|
|
|
639
|
|
|
640 /* normalize size information */
|
|
|
641 if (!NILP (width))
|
|
|
642 pw = XINT (width);
|
|
|
643 if (!NILP (height))
|
|
|
644 ph = XINT (height);
|
|
|
645
|
|
|
646 /* flip through the items to work out how much stuff we have to display */
|
|
|
647 LIST_LOOP (rest, items)
|
|
|
648 {
|
|
|
649 Lisp_Object glyph = XCAR (rest);
|
|
|
650 int gheight = glyph_height (glyph, Qnil, DEFAULT_INDEX, domain);
|
|
|
651 int gwidth = glyph_width (glyph, Qnil, DEFAULT_INDEX, domain);
|
|
|
652 nitems ++;
|
|
|
653 if (EQ (orient, Qhorizontal))
|
|
|
654 {
|
|
|
655 maxph = max (maxph, gheight);
|
|
|
656 maxpw += gwidth;
|
|
|
657 }
|
|
|
658 else if (EQ (orient, Qvertical))
|
|
|
659 {
|
|
|
660 maxpw = max (maxpw, gwidth);
|
|
|
661 maxph += gheight;
|
|
|
662 }
|
|
|
663 }
|
|
|
664
|
|
|
665 /* work out spacing between items and bounds of the layout */
|
|
|
666 if (!pw)
|
|
|
667 {
|
|
|
668 /* No user provided width so we just do default spacing. */
|
|
|
669 horiz_spacing = WIDGET_BORDER_WIDTH * 2;
|
|
|
670 if (EQ (orient, Qhorizontal))
|
|
|
671 pw = maxpw + (nitems + 1) * horiz_spacing;
|
|
|
672 else
|
|
|
673 pw = maxpw + 2 * horiz_spacing;
|
|
|
674 }
|
|
|
675 else if (pw < maxpw)
|
|
|
676 /* The user wants a smaller space than the largest item, so we
|
|
|
677 just provide default spacing and will let the output routines
|
|
|
678 clip.. */
|
|
|
679 horiz_spacing = WIDGET_BORDER_WIDTH * 2;
|
|
|
680 else if (EQ (orient, Qhorizontal))
|
|
|
681 /* We have a larger area to display in so distribute the space
|
|
|
682 evenly. */
|
|
|
683 horiz_spacing = (pw - maxpw) / (nitems + 1);
|
|
|
684 else
|
|
|
685 horiz_spacing = (pw - maxpw) / 2;
|
|
|
686
|
|
|
687 /* Do the border now so that we can adjust the layout. */
|
|
|
688 if (GLYPHP (border))
|
|
|
689 {
|
|
|
690 /* We are going to be sneaky here and add the border text as
|
|
|
691 just another child, the layout and output routines don't know
|
|
|
692 this and will just display at the offsets we prescribe. */
|
|
|
693 Lisp_Object bglyph = glyph_image_instance (border, domain, ERROR_ME, 1);
|
|
|
694
|
|
|
695 children = Fcons (bglyph, children);
|
|
|
696 XIMAGE_INSTANCE_XOFFSET (bglyph) = 10; /* Really, what should this be? */
|
|
|
697 XIMAGE_INSTANCE_YOFFSET (bglyph) = 0;
|
|
|
698
|
|
|
699 ph_adjust = (glyph_height (border, Qnil, DEFAULT_INDEX, domain) / 2);
|
|
|
700 IMAGE_INSTANCE_LAYOUT_BORDER (ii) = make_int (ph_adjust);
|
|
|
701 }
|
|
|
702
|
|
|
703 /* Work out vertical spacings. */
|
|
|
704 if (!ph)
|
|
|
705 {
|
|
|
706 vert_spacing = WIDGET_BORDER_HEIGHT * 2;
|
|
|
707 if (EQ (orient, Qvertical))
|
|
|
708 ph = maxph + (nitems + 1) * vert_spacing + ph_adjust;
|
|
|
709 else
|
|
|
710 ph = maxph + 2 * vert_spacing + ph_adjust;
|
|
|
711 }
|
|
|
712 else if (ph < maxph)
|
|
|
713 vert_spacing = WIDGET_BORDER_HEIGHT * 2;
|
|
|
714 else if (EQ (orient, Qvertical))
|
|
|
715 vert_spacing = (ph - (maxph + ph_adjust)) / (nitems + 1);
|
|
|
716 else
|
|
|
717 vert_spacing = (ph - (maxph + ph_adjust)) / 2;
|
|
|
718
|
|
|
719 y = vert_spacing + ph_adjust;
|
|
|
720 x = horiz_spacing;
|
|
|
721
|
|
|
722 /* Now flip through putting items where we want them, paying
|
|
|
723 attention to justification. */
|
|
|
724 LIST_LOOP (rest, items)
|
|
|
725 {
|
|
|
726 /* make sure the image is instantiated */
|
|
|
727 Lisp_Object glyph = XCAR (rest);
|
|
|
728 Lisp_Object gii = glyph_image_instance (glyph, domain, ERROR_ME, 1);
|
|
|
729 int gwidth = glyph_width (glyph, Qnil, DEFAULT_INDEX, domain);
|
|
|
730 int gheight = glyph_height (glyph, Qnil, DEFAULT_INDEX, domain);
|
|
|
731
|
|
|
732 children = Fcons (gii, children);
|
|
|
733
|
|
|
734 if (EQ (orient, Qhorizontal))
|
|
|
735 {
|
|
|
736 if (EQ (justify, Qright))
|
|
|
737 y = ph - (gheight + vert_spacing);
|
|
|
738 else if (EQ (justify, Qcenter))
|
|
|
739 y = (ph - gheight) / 2;
|
|
|
740 }
|
|
|
741 else if (EQ (orient, Qvertical))
|
|
|
742 {
|
|
|
743 if (EQ (justify, Qright))
|
|
|
744 x = pw - (gwidth + horiz_spacing);
|
|
|
745 else if (EQ (justify, Qcenter))
|
|
|
746 x = (pw - gwidth) / 2;
|
|
|
747 }
|
|
|
748
|
|
|
749 XIMAGE_INSTANCE_XOFFSET (gii) = x;
|
|
|
750 XIMAGE_INSTANCE_YOFFSET (gii) = y;
|
|
|
751
|
|
|
752 if (EQ (orient, Qhorizontal))
|
|
|
753 {
|
|
|
754 x += (gwidth + horiz_spacing);
|
|
|
755 }
|
|
|
756 else if (EQ (orient, Qvertical))
|
|
|
757 {
|
|
|
758 y += (gheight + vert_spacing);
|
|
|
759 }
|
|
|
760 }
|
|
|
761
|
|
|
762 IMAGE_INSTANCE_LAYOUT_CHILDREN (ii) = children;
|
|
|
763 assert (pw && ph);
|
|
|
764 IMAGE_INSTANCE_SUBWINDOW_WIDTH (ii) = pw;
|
|
|
765 IMAGE_INSTANCE_SUBWINDOW_HEIGHT (ii) = ph;
|
|
|
766 }
|
|
|
767
|
|
|
768
|
|
|
769 /************************************************************************/
|
|
|
770 /* initialization */
|
|
|
771 /************************************************************************/
|
|
|
772
|
|
|
773 void
|
|
|
774 syms_of_glyphs_widget (void)
|
|
|
775 {
|
|
|
776 defkeyword (&Q_descriptor, ":descriptor");
|
|
|
777 defkeyword (&Q_height, ":height");
|
|
|
778 defkeyword (&Q_width, ":width");
|
|
|
779 defkeyword (&Q_properties, ":properties");
|
|
|
780 defkeyword (&Q_items, ":items");
|
|
|
781 defkeyword (&Q_image, ":image");
|
|
|
782 defkeyword (&Q_percent, ":percent");
|
|
|
783 defkeyword (&Q_text, ":text");
|
|
|
784 defkeyword (&Q_orientation, ":orientation");
|
|
|
785 defkeyword (&Q_justify, ":justify");
|
|
|
786 defkeyword (&Q_border, ":border");
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787
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788 defsymbol (&Qetched_in, "etched-in");
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789 defsymbol (&Qetched_out, "etched-out");
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790 defsymbol (&Qbevel_in, "bevel-in");
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791 defsymbol (&Qbevel_out, "bevel-out");
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792 }
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793
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794 void
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795 image_instantiator_format_create_glyphs_widget (void)
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796 {
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797 #define VALID_GUI_KEYWORDS(type) \
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798 IIFORMAT_VALID_KEYWORD (type, Q_active, check_valid_anything); \
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799 IIFORMAT_VALID_KEYWORD (type, Q_suffix, check_valid_anything); \
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800 IIFORMAT_VALID_KEYWORD (type, Q_keys, check_valid_string); \
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801 IIFORMAT_VALID_KEYWORD (type, Q_style, check_valid_symbol); \
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802 IIFORMAT_VALID_KEYWORD (type, Q_selected, check_valid_anything); \
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803 IIFORMAT_VALID_KEYWORD (type, Q_filter, check_valid_anything); \
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804 IIFORMAT_VALID_KEYWORD (type, Q_config, check_valid_symbol); \
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805 IIFORMAT_VALID_KEYWORD (type, Q_included, check_valid_anything); \
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806 IIFORMAT_VALID_KEYWORD (type, Q_key_sequence, check_valid_string); \
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807 IIFORMAT_VALID_KEYWORD (type, Q_accelerator, check_valid_string); \
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808 IIFORMAT_VALID_KEYWORD (type, Q_label, check_valid_anything); \
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809 IIFORMAT_VALID_KEYWORD (type, Q_callback, check_valid_callback); \
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810 IIFORMAT_VALID_KEYWORD (type, Q_descriptor, check_valid_string_or_vector)
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811
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812 #define VALID_WIDGET_KEYWORDS(type) \
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813 IIFORMAT_VALID_KEYWORD (type, Q_width, check_valid_int); \
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814 IIFORMAT_VALID_KEYWORD (type, Q_height, check_valid_int); \
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815 IIFORMAT_VALID_KEYWORD (type, Q_pixel_width, check_valid_int); \
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816 IIFORMAT_VALID_KEYWORD (type, Q_pixel_height, check_valid_int); \
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817 IIFORMAT_VALID_KEYWORD (type, Q_face, check_valid_face)
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818
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819 /* we only do this for properties */
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820 INITIALIZE_IMAGE_INSTANTIATOR_FORMAT_NO_SYM (widget, "widget");
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821 IIFORMAT_HAS_METHOD (widget, property);
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822 IIFORMAT_HAS_METHOD (widget, set_property);
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823
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824 /* widget image-instantiator types - buttons */
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825 INITIALIZE_IMAGE_INSTANTIATOR_FORMAT (button, "button");
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826 IIFORMAT_HAS_SHARED_METHOD (button, validate, widget);
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827 IIFORMAT_HAS_SHARED_METHOD (button, possible_dest_types, widget);
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828 IIFORMAT_HAS_SHARED_METHOD (button, instantiate, widget);
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829 IIFORMAT_HAS_SHARED_METHOD (button, normalize, widget);
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830 IIFORMAT_VALID_KEYWORD (button,
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831 Q_image, check_valid_glyph_or_instantiator);
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832 VALID_WIDGET_KEYWORDS (button);
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833 VALID_GUI_KEYWORDS (button);
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834
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835 /* edit fields */
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836 INITIALIZE_IMAGE_INSTANTIATOR_FORMAT (edit_field, "edit-field");
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837 IIFORMAT_HAS_SHARED_METHOD (edit_field, validate, widget);
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838 IIFORMAT_HAS_SHARED_METHOD (edit_field, possible_dest_types, widget);
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839 IIFORMAT_HAS_SHARED_METHOD (edit_field, instantiate, widget);
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840 VALID_WIDGET_KEYWORDS (edit_field);
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841 VALID_GUI_KEYWORDS (edit_field);
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842
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843 /* combo box */
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844 INITIALIZE_IMAGE_INSTANTIATOR_FORMAT (combo_box, "combo-box");
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845 IIFORMAT_HAS_METHOD (combo_box, validate);
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846 IIFORMAT_HAS_SHARED_METHOD (combo_box, possible_dest_types, widget);
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847 VALID_GUI_KEYWORDS (combo_box);
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848
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849 IIFORMAT_VALID_KEYWORD (combo_box, Q_width, check_valid_int);
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850 IIFORMAT_VALID_KEYWORD (combo_box, Q_height, check_valid_int);
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851 IIFORMAT_VALID_KEYWORD (combo_box, Q_pixel_width, check_valid_int);
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852 IIFORMAT_VALID_KEYWORD (combo_box, Q_face, check_valid_face);
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853 IIFORMAT_VALID_KEYWORD (combo_box, Q_properties, check_valid_item_list);
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854
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855 /* scrollbar */
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856 INITIALIZE_IMAGE_INSTANTIATOR_FORMAT (scrollbar, "scrollbar");
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857 IIFORMAT_HAS_SHARED_METHOD (scrollbar, validate, widget);
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858 IIFORMAT_HAS_SHARED_METHOD (scrollbar, possible_dest_types, widget);
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859 IIFORMAT_HAS_SHARED_METHOD (scrollbar, instantiate, widget);
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860 VALID_GUI_KEYWORDS (scrollbar);
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861
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862 IIFORMAT_VALID_KEYWORD (scrollbar, Q_pixel_width, check_valid_int);
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863 IIFORMAT_VALID_KEYWORD (scrollbar, Q_pixel_height, check_valid_int);
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864 IIFORMAT_VALID_KEYWORD (scrollbar, Q_face, check_valid_face);
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865
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866 /* progress guage */
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867 INITIALIZE_IMAGE_INSTANTIATOR_FORMAT (progress_gauge, "progress-gauge");
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868 IIFORMAT_HAS_SHARED_METHOD (progress_gauge, validate, widget);
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869 IIFORMAT_HAS_SHARED_METHOD (progress_gauge, possible_dest_types, widget);
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870 IIFORMAT_HAS_SHARED_METHOD (progress_gauge, instantiate, widget);
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871 VALID_WIDGET_KEYWORDS (progress_gauge);
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872 VALID_GUI_KEYWORDS (progress_gauge);
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873
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874 /* tree view */
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875 INITIALIZE_IMAGE_INSTANTIATOR_FORMAT (tree_view, "tree-view");
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876 IIFORMAT_HAS_SHARED_METHOD (tree_view, validate, combo_box);
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877 IIFORMAT_HAS_SHARED_METHOD (tree_view, possible_dest_types, widget);
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878 IIFORMAT_HAS_METHOD (tree_view, instantiate);
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879 VALID_WIDGET_KEYWORDS (tree_view);
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880 VALID_GUI_KEYWORDS (tree_view);
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881 IIFORMAT_VALID_KEYWORD (tree_view, Q_properties, check_valid_item_list);
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882
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883 /* tab control */
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884 INITIALIZE_IMAGE_INSTANTIATOR_FORMAT (tab_control, "tab-control");
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885 IIFORMAT_HAS_SHARED_METHOD (tab_control, validate, combo_box);
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886 IIFORMAT_HAS_SHARED_METHOD (tab_control, possible_dest_types, widget);
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887 IIFORMAT_HAS_METHOD (tab_control, instantiate);
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888 VALID_WIDGET_KEYWORDS (tab_control);
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889 VALID_GUI_KEYWORDS (tab_control);
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890 IIFORMAT_VALID_KEYWORD (tab_control, Q_properties, check_valid_item_list);
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891
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892 /* labels */
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893 INITIALIZE_IMAGE_INSTANTIATOR_FORMAT (label, "label");
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894 IIFORMAT_HAS_SHARED_METHOD (label, possible_dest_types, widget);
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895 IIFORMAT_HAS_SHARED_METHOD (label, instantiate, static);
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896 VALID_WIDGET_KEYWORDS (label);
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897 IIFORMAT_VALID_KEYWORD (label, Q_descriptor, check_valid_string);
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898
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899 /* layout */
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900 INITIALIZE_IMAGE_INSTANTIATOR_FORMAT (layout, "layout");
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901 IIFORMAT_HAS_METHOD (layout, possible_dest_types);
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902 IIFORMAT_HAS_METHOD (layout, instantiate);
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903 IIFORMAT_HAS_METHOD (layout, normalize);
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904 IIFORMAT_VALID_KEYWORD (layout, Q_pixel_width, check_valid_int);
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905 IIFORMAT_VALID_KEYWORD (layout, Q_pixel_height, check_valid_int);
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906 IIFORMAT_VALID_KEYWORD (layout, Q_orientation, check_valid_orientation);
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907 IIFORMAT_VALID_KEYWORD (layout, Q_justify, check_valid_justification);
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908 IIFORMAT_VALID_KEYWORD (layout, Q_border, check_valid_border);
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909 IIFORMAT_VALID_KEYWORD (layout, Q_items,
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910 check_valid_glyph_or_instantiator_list);
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911 }
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912
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913 void
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914 reinit_vars_of_glyphs_widget (void)
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915 {
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916 #ifdef DEBUG_WIDGETS
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917 debug_widget_instances = 0;
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918 #endif
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919 }
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920
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921 void
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922 vars_of_glyphs_widget (void)
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923 {
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924 reinit_vars_of_glyphs_widget ();
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925 }
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