7
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1 /* vi:set ts=8 sts=4 sw=4:
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2 *
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3 * VIM - Vi IMproved by Bram Moolenaar
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4 *
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5 * Do ":help uganda" in Vim to read copying and usage conditions.
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6 * Do ":help credits" in Vim to see a list of people who contributed.
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7 * See README.txt for an overview of the Vim source code.
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8 */
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9
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10 /*
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66
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11 * (C) 1998,1999 by Marcin Dalecki <martin@dalecki.de>
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7
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12 *
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13 * Support for GTK+ 2 was added by:
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14 *
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15 * (C) 2002,2003 Jason Hildebrand <jason@peaceworks.ca>
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16 * Daniel Elstner <daniel.elstner@gmx.net>
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17 *
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1207
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18 * This is a special purpose container widget, which manages arbitrary
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19 * children at arbitrary positions width arbitrary sizes. This finally puts
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20 * an end on our resize problems with which we where struggling for such a
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21 * long time.
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7
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22 */
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23
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24 #include "vim.h"
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25 #include <gtk/gtk.h> /* without this it compiles, but gives errors at
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26 runtime! */
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27 #include "gui_gtk_f.h"
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28 #include <gtk/gtksignal.h>
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29 #ifdef WIN3264
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30 # include <gdk/gdkwin32.h>
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31 #else
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32 # include <gdk/gdkx.h>
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33 #endif
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34
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35 typedef struct _GtkFormChild GtkFormChild;
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36
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37 struct _GtkFormChild
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38 {
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39 GtkWidget *widget;
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40 GdkWindow *window;
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41 gint x; /* relative subwidget x position */
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42 gint y; /* relative subwidget y position */
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43 gint mapped;
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44 };
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45
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46
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47 static void gtk_form_class_init(GtkFormClass *klass);
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48 static void gtk_form_init(GtkForm *form);
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49
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50 static void gtk_form_realize(GtkWidget *widget);
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51 static void gtk_form_unrealize(GtkWidget *widget);
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52 static void gtk_form_map(GtkWidget *widget);
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53 static void gtk_form_size_request(GtkWidget *widget,
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54 GtkRequisition *requisition);
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55 static void gtk_form_size_allocate(GtkWidget *widget,
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56 GtkAllocation *allocation);
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57 static gint gtk_form_expose(GtkWidget *widget,
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58 GdkEventExpose *event);
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59
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60 static void gtk_form_remove(GtkContainer *container,
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61 GtkWidget *widget);
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62 static void gtk_form_forall(GtkContainer *container,
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63 gboolean include_internals,
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64 GtkCallback callback,
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65 gpointer callback_data);
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66
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67 static void gtk_form_attach_child_window(GtkForm *form,
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68 GtkFormChild *child);
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69 static void gtk_form_realize_child(GtkForm *form,
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70 GtkFormChild *child);
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71 static void gtk_form_position_child(GtkForm *form,
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72 GtkFormChild *child,
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73 gboolean force_allocate);
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74 static void gtk_form_position_children(GtkForm *form);
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75
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76 static GdkFilterReturn gtk_form_filter(GdkXEvent *gdk_xevent,
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77 GdkEvent *event,
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78 gpointer data);
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79 static GdkFilterReturn gtk_form_main_filter(GdkXEvent *gdk_xevent,
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80 GdkEvent *event,
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81 gpointer data);
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82
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83 static void gtk_form_set_static_gravity(GdkWindow *window,
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84 gboolean use_static);
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85
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86 static void gtk_form_send_configure(GtkForm *form);
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87
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88 static void gtk_form_child_map(GtkWidget *widget, gpointer user_data);
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89 static void gtk_form_child_unmap(GtkWidget *widget, gpointer user_data);
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90
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91 static GtkWidgetClass *parent_class = NULL;
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92
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93 /* Public interface
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94 */
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95
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96 GtkWidget *
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97 gtk_form_new(void)
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98 {
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99 GtkForm *form;
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100
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101 form = gtk_type_new(gtk_form_get_type());
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102
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103 return GTK_WIDGET(form);
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104 }
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105
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106 void
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107 gtk_form_put(GtkForm *form,
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108 GtkWidget *child_widget,
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109 gint x,
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110 gint y)
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111 {
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112 GtkFormChild *child;
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113
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114 g_return_if_fail(GTK_IS_FORM(form));
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115
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129
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116 /* LINTED: avoid warning: conversion to 'unsigned long' */
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7
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117 child = g_new(GtkFormChild, 1);
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118
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119 child->widget = child_widget;
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120 child->window = NULL;
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121 child->x = x;
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122 child->y = y;
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123 child->widget->requisition.width = 0;
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124 child->widget->requisition.height = 0;
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125 child->mapped = FALSE;
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126
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127 form->children = g_list_append(form->children, child);
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128
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129 /* child->window must be created and attached to the widget _before_
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130 * it has been realized, or else things will break with GTK2. Note
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131 * that gtk_widget_set_parent() realizes the widget if it's visible
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132 * and its parent is mapped.
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133 */
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134 if (GTK_WIDGET_REALIZED(form))
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135 gtk_form_attach_child_window(form, child);
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136
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137 gtk_widget_set_parent(child_widget, GTK_WIDGET(form));
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138 gtk_widget_size_request(child->widget, NULL);
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139
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140 if (GTK_WIDGET_REALIZED(form) && !GTK_WIDGET_REALIZED(child_widget))
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141 gtk_form_realize_child(form, child);
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142
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143 gtk_form_position_child(form, child, TRUE);
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144 }
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145
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146 void
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147 gtk_form_move(GtkForm *form,
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148 GtkWidget *child_widget,
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149 gint x,
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150 gint y)
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151 {
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152 GList *tmp_list;
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153 GtkFormChild *child;
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154
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155 g_return_if_fail(GTK_IS_FORM(form));
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156
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157 for (tmp_list = form->children; tmp_list; tmp_list = tmp_list->next)
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158 {
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159 child = tmp_list->data;
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160 if (child->widget == child_widget)
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161 {
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162 child->x = x;
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163 child->y = y;
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164
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165 gtk_form_position_child(form, child, TRUE);
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166 return;
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167 }
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168 }
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169 }
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170
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171 void
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172 gtk_form_freeze(GtkForm *form)
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173 {
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174 g_return_if_fail(GTK_IS_FORM(form));
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175
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176 ++form->freeze_count;
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177 }
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178
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179 void
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180 gtk_form_thaw(GtkForm *form)
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181 {
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182 g_return_if_fail(GTK_IS_FORM(form));
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183
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184 if (form->freeze_count)
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185 {
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186 if (!(--form->freeze_count))
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187 {
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188 gtk_form_position_children(form);
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189 gtk_widget_queue_draw(GTK_WIDGET(form));
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190 }
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191 }
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192 }
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193
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194 /* Basic Object handling procedures
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195 */
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196 GtkType
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197 gtk_form_get_type(void)
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198 {
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199 static GtkType form_type = 0;
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200
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201 if (!form_type)
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202 {
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1884
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203 GtkTypeInfo form_info;
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204
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1885
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205 vim_memset(&form_info, 0, sizeof(form_info));
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1884
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206 form_info.type_name = "GtkForm";
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207 form_info.object_size = sizeof(GtkForm);
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208 form_info.class_size = sizeof(GtkFormClass);
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209 form_info.class_init_func = (GtkClassInitFunc)gtk_form_class_init;
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210 form_info.object_init_func = (GtkObjectInitFunc)gtk_form_init;
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7
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211
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212 form_type = gtk_type_unique(GTK_TYPE_CONTAINER, &form_info);
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213 }
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214 return form_type;
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215 }
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216
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217 static void
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218 gtk_form_class_init(GtkFormClass *klass)
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219 {
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220 GtkWidgetClass *widget_class;
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221 GtkContainerClass *container_class;
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222
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223 widget_class = (GtkWidgetClass *) klass;
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224 container_class = (GtkContainerClass *) klass;
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225
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226 parent_class = gtk_type_class(gtk_container_get_type());
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227
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228 widget_class->realize = gtk_form_realize;
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229 widget_class->unrealize = gtk_form_unrealize;
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230 widget_class->map = gtk_form_map;
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231 widget_class->size_request = gtk_form_size_request;
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232 widget_class->size_allocate = gtk_form_size_allocate;
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233 widget_class->expose_event = gtk_form_expose;
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234
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235 container_class->remove = gtk_form_remove;
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236 container_class->forall = gtk_form_forall;
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237 }
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238
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239 static void
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240 gtk_form_init(GtkForm *form)
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241 {
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242 form->children = NULL;
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243
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244 form->width = 1;
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245 form->height = 1;
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246
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247 form->bin_window = NULL;
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248
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249 form->configure_serial = 0;
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250 form->visibility = GDK_VISIBILITY_PARTIAL;
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251
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252 form->freeze_count = 0;
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253 }
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254
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255 /*
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256 * Widget methods
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257 */
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258
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259 static void
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260 gtk_form_realize(GtkWidget *widget)
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261 {
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262 GList *tmp_list;
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263 GtkForm *form;
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264 GdkWindowAttr attributes;
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265 gint attributes_mask;
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266
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267 g_return_if_fail(GTK_IS_FORM(widget));
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268
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269 form = GTK_FORM(widget);
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270 GTK_WIDGET_SET_FLAGS(form, GTK_REALIZED);
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271
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272 attributes.window_type = GDK_WINDOW_CHILD;
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273 attributes.x = widget->allocation.x;
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274 attributes.y = widget->allocation.y;
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275 attributes.width = widget->allocation.width;
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276 attributes.height = widget->allocation.height;
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277 attributes.wclass = GDK_INPUT_OUTPUT;
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278 attributes.visual = gtk_widget_get_visual(widget);
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279 attributes.colormap = gtk_widget_get_colormap(widget);
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280 attributes.event_mask = GDK_VISIBILITY_NOTIFY_MASK;
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281
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282 attributes_mask = GDK_WA_X | GDK_WA_Y | GDK_WA_VISUAL | GDK_WA_COLORMAP;
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283
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284 widget->window = gdk_window_new(gtk_widget_get_parent_window(widget),
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285 &attributes, attributes_mask);
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286 gdk_window_set_user_data(widget->window, widget);
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287
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288 attributes.x = 0;
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289 attributes.y = 0;
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290 attributes.event_mask = gtk_widget_get_events(widget);
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291
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292 form->bin_window = gdk_window_new(widget->window,
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293 &attributes, attributes_mask);
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294 gdk_window_set_user_data(form->bin_window, widget);
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295
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296 gtk_form_set_static_gravity(form->bin_window, TRUE);
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297
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298 widget->style = gtk_style_attach(widget->style, widget->window);
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299 gtk_style_set_background(widget->style, widget->window, GTK_STATE_NORMAL);
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300 gtk_style_set_background(widget->style, form->bin_window, GTK_STATE_NORMAL);
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301
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302 gdk_window_add_filter(widget->window, gtk_form_main_filter, form);
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303 gdk_window_add_filter(form->bin_window, gtk_form_filter, form);
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304
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305 for (tmp_list = form->children; tmp_list; tmp_list = tmp_list->next)
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306 {
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307 GtkFormChild *child = tmp_list->data;
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308
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309 gtk_form_attach_child_window(form, child);
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310
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311 if (GTK_WIDGET_VISIBLE(child->widget))
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312 gtk_form_realize_child(form, child);
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313 }
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314 }
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315
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316
|
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317 /* After reading the documentation at
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318 * http://developer.gnome.org/doc/API/2.0/gtk/gtk-changes-2-0.html
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319 * I think it should be possible to remove this function when compiling
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320 * against gtk-2.0. It doesn't seem to cause problems, though.
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321 *
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322 * Well, I reckon at least the gdk_window_show(form->bin_window)
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323 * is necessary. GtkForm is anything but a usual container widget.
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324 */
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325 static void
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326 gtk_form_map(GtkWidget *widget)
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327 {
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328 GList *tmp_list;
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329 GtkForm *form;
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330
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331 g_return_if_fail(GTK_IS_FORM(widget));
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332
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333 form = GTK_FORM(widget);
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334
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335 GTK_WIDGET_SET_FLAGS(widget, GTK_MAPPED);
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336
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337 gdk_window_show(widget->window);
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338 gdk_window_show(form->bin_window);
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339
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340 for (tmp_list = form->children; tmp_list; tmp_list = tmp_list->next)
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341 {
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342 GtkFormChild *child = tmp_list->data;
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343
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344 if (GTK_WIDGET_VISIBLE(child->widget)
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345 && !GTK_WIDGET_MAPPED(child->widget))
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346 gtk_widget_map(child->widget);
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347 }
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348 }
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349
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350 static void
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351 gtk_form_unrealize(GtkWidget *widget)
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352 {
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353 GList *tmp_list;
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354 GtkForm *form;
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355
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356 g_return_if_fail(GTK_IS_FORM(widget));
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357
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358 form = GTK_FORM(widget);
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359
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360 tmp_list = form->children;
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361
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362 gdk_window_set_user_data(form->bin_window, NULL);
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363 gdk_window_destroy(form->bin_window);
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364 form->bin_window = NULL;
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365
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366 while (tmp_list)
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367 {
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368 GtkFormChild *child = tmp_list->data;
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369
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370 if (child->window != NULL)
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371 {
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372 gtk_signal_disconnect_by_func(GTK_OBJECT(child->widget),
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373 GTK_SIGNAL_FUNC(gtk_form_child_map),
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374 child);
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375 gtk_signal_disconnect_by_func(GTK_OBJECT(child->widget),
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376 GTK_SIGNAL_FUNC(gtk_form_child_unmap),
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377 child);
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378
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379 gdk_window_set_user_data(child->window, NULL);
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380 gdk_window_destroy(child->window);
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381
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382 child->window = NULL;
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383 }
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384
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385 tmp_list = tmp_list->next;
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386 }
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387
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388 if (GTK_WIDGET_CLASS (parent_class)->unrealize)
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389 (* GTK_WIDGET_CLASS (parent_class)->unrealize) (widget);
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390 }
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391
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392 static void
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393 gtk_form_size_request(GtkWidget *widget, GtkRequisition *requisition)
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394 {
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395 GList *tmp_list;
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396 GtkForm *form;
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397
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398 g_return_if_fail(GTK_IS_FORM(widget));
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399
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400 form = GTK_FORM(widget);
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401
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402 requisition->width = form->width;
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403 requisition->height = form->height;
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404
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405 tmp_list = form->children;
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406
|
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407 while (tmp_list)
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408 {
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409 GtkFormChild *child = tmp_list->data;
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410 gtk_widget_size_request(child->widget, NULL);
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411 tmp_list = tmp_list->next;
|
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412 }
|
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413 }
|
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414
|
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415 static void
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416 gtk_form_size_allocate(GtkWidget *widget, GtkAllocation *allocation)
|
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417 {
|
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418 GList *tmp_list;
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419 GtkForm *form;
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420 gboolean need_reposition;
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421
|
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422 g_return_if_fail(GTK_IS_FORM(widget));
|
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423
|
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424 if (widget->allocation.x == allocation->x
|
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425 && widget->allocation.y == allocation->y
|
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426 && widget->allocation.width == allocation->width
|
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427 && widget->allocation.height == allocation->height)
|
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428 return;
|
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429
|
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430 need_reposition = widget->allocation.width != allocation->width
|
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431 || widget->allocation.height != allocation->height;
|
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432 form = GTK_FORM(widget);
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433
|
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434 if (need_reposition)
|
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435 {
|
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436 tmp_list = form->children;
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437
|
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438 while (tmp_list)
|
|
439 {
|
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440 GtkFormChild *child = tmp_list->data;
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441 gtk_form_position_child(form, child, TRUE);
|
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442
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443 tmp_list = tmp_list->next;
|
|
444 }
|
|
445 }
|
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446
|
|
447 if (GTK_WIDGET_REALIZED(widget))
|
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448 {
|
|
449 gdk_window_move_resize(widget->window,
|
|
450 allocation->x, allocation->y,
|
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451 allocation->width, allocation->height);
|
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452 gdk_window_move_resize(GTK_FORM(widget)->bin_window,
|
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453 0, 0,
|
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454 allocation->width, allocation->height);
|
|
455 }
|
|
456 widget->allocation = *allocation;
|
|
457 if (need_reposition)
|
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458 gtk_form_send_configure(form);
|
|
459 }
|
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460
|
|
461 static gint
|
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462 gtk_form_expose(GtkWidget *widget, GdkEventExpose *event)
|
|
463 {
|
|
464 GList *tmp_list;
|
|
465 GtkForm *form;
|
|
466
|
|
467 g_return_val_if_fail(GTK_IS_FORM(widget), FALSE);
|
|
468
|
|
469 form = GTK_FORM(widget);
|
|
470
|
|
471 if (event->window == form->bin_window)
|
|
472 return FALSE;
|
|
473
|
|
474 for (tmp_list = form->children; tmp_list; tmp_list = tmp_list->next)
|
|
475 {
|
|
476 GtkFormChild *formchild = tmp_list->data;
|
|
477 GtkWidget *child = formchild->widget;
|
|
478 /*
|
|
479 * The following chunk of code is taken from gtkcontainer.c. The
|
|
480 * gtk1.x code synthesized expose events directly on the child widgets,
|
|
481 * which can't be done in gtk2
|
|
482 */
|
|
483 if (GTK_WIDGET_DRAWABLE(child) && GTK_WIDGET_NO_WINDOW(child)
|
|
484 && child->window == event->window)
|
|
485 {
|
|
486 GdkEventExpose child_event;
|
|
487 child_event = *event;
|
|
488
|
|
489 child_event.region = gtk_widget_region_intersect(child, event->region);
|
|
490 if (!gdk_region_empty(child_event.region))
|
|
491 {
|
|
492 gdk_region_get_clipbox(child_event.region, &child_event.area);
|
|
493 gtk_widget_send_expose(child, (GdkEvent *)&child_event);
|
|
494 }
|
|
495 }
|
|
496 }
|
|
497
|
|
498 return FALSE;
|
|
499 }
|
|
500
|
|
501 /* Container method
|
|
502 */
|
|
503 static void
|
|
504 gtk_form_remove(GtkContainer *container, GtkWidget *widget)
|
|
505 {
|
|
506 GList *tmp_list;
|
|
507 GtkForm *form;
|
|
508 GtkFormChild *child = NULL; /* init for gcc */
|
|
509
|
|
510 g_return_if_fail(GTK_IS_FORM(container));
|
|
511
|
|
512 form = GTK_FORM(container);
|
|
513
|
|
514 tmp_list = form->children;
|
|
515 while (tmp_list)
|
|
516 {
|
|
517 child = tmp_list->data;
|
|
518 if (child->widget == widget)
|
|
519 break;
|
|
520 tmp_list = tmp_list->next;
|
|
521 }
|
|
522
|
|
523 if (tmp_list)
|
|
524 {
|
|
525 if (child->window)
|
|
526 {
|
|
527 gtk_signal_disconnect_by_func(GTK_OBJECT(child->widget),
|
|
528 GTK_SIGNAL_FUNC(>k_form_child_map), child);
|
|
529 gtk_signal_disconnect_by_func(GTK_OBJECT(child->widget),
|
|
530 GTK_SIGNAL_FUNC(>k_form_child_unmap), child);
|
|
531
|
|
532 /* FIXME: This will cause problems for reparenting NO_WINDOW
|
|
533 * widgets out of a GtkForm
|
|
534 */
|
|
535 gdk_window_set_user_data(child->window, NULL);
|
|
536 gdk_window_destroy(child->window);
|
|
537 }
|
|
538 gtk_widget_unparent(widget);
|
|
539
|
|
540 form->children = g_list_remove_link(form->children, tmp_list);
|
|
541 g_list_free_1(tmp_list);
|
|
542 g_free(child);
|
|
543 }
|
|
544 }
|
|
545
|
|
546 static void
|
|
547 gtk_form_forall(GtkContainer *container,
|
1884
|
548 gboolean include_internals UNUSED,
|
7
|
549 GtkCallback callback,
|
|
550 gpointer callback_data)
|
|
551 {
|
|
552 GtkForm *form;
|
|
553 GtkFormChild *child;
|
|
554 GList *tmp_list;
|
|
555
|
|
556 g_return_if_fail(GTK_IS_FORM(container));
|
|
557 g_return_if_fail(callback != NULL);
|
|
558
|
|
559 form = GTK_FORM(container);
|
|
560
|
|
561 tmp_list = form->children;
|
|
562 while (tmp_list)
|
|
563 {
|
|
564 child = tmp_list->data;
|
|
565 tmp_list = tmp_list->next;
|
|
566
|
|
567 (*callback) (child->widget, callback_data);
|
|
568 }
|
|
569 }
|
|
570
|
|
571 /* Operations on children
|
|
572 */
|
|
573
|
|
574 static void
|
|
575 gtk_form_attach_child_window(GtkForm *form, GtkFormChild *child)
|
|
576 {
|
|
577 if (child->window != NULL)
|
|
578 return; /* been there, done that */
|
|
579
|
|
580 if (GTK_WIDGET_NO_WINDOW(child->widget))
|
|
581 {
|
|
582 GtkWidget *widget;
|
|
583 GdkWindowAttr attributes;
|
|
584 gint attributes_mask;
|
|
585
|
|
586 widget = GTK_WIDGET(form);
|
|
587
|
|
588 attributes.window_type = GDK_WINDOW_CHILD;
|
|
589 attributes.x = child->x;
|
|
590 attributes.y = child->y;
|
|
591 attributes.width = child->widget->requisition.width;
|
|
592 attributes.height = child->widget->requisition.height;
|
|
593 attributes.wclass = GDK_INPUT_OUTPUT;
|
|
594 attributes.visual = gtk_widget_get_visual(widget);
|
|
595 attributes.colormap = gtk_widget_get_colormap(widget);
|
|
596 attributes.event_mask = GDK_EXPOSURE_MASK;
|
|
597
|
|
598 attributes_mask = GDK_WA_X | GDK_WA_Y | GDK_WA_VISUAL | GDK_WA_COLORMAP;
|
|
599 child->window = gdk_window_new(form->bin_window,
|
|
600 &attributes, attributes_mask);
|
|
601 gdk_window_set_user_data(child->window, widget);
|
|
602
|
|
603 gtk_style_set_background(widget->style,
|
|
604 child->window,
|
|
605 GTK_STATE_NORMAL);
|
|
606
|
|
607 gtk_widget_set_parent_window(child->widget, child->window);
|
|
608 gtk_form_set_static_gravity(child->window, TRUE);
|
|
609 /*
|
|
610 * Install signal handlers to map/unmap child->window
|
|
611 * alongside with the actual widget.
|
|
612 */
|
|
613 gtk_signal_connect(GTK_OBJECT(child->widget), "map",
|
|
614 GTK_SIGNAL_FUNC(>k_form_child_map), child);
|
|
615 gtk_signal_connect(GTK_OBJECT(child->widget), "unmap",
|
|
616 GTK_SIGNAL_FUNC(>k_form_child_unmap), child);
|
|
617 }
|
|
618 else if (!GTK_WIDGET_REALIZED(child->widget))
|
|
619 {
|
|
620 gtk_widget_set_parent_window(child->widget, form->bin_window);
|
|
621 }
|
|
622 }
|
|
623
|
|
624 static void
|
|
625 gtk_form_realize_child(GtkForm *form, GtkFormChild *child)
|
|
626 {
|
|
627 gtk_form_attach_child_window(form, child);
|
|
628 gtk_widget_realize(child->widget);
|
|
629
|
|
630 if (child->window == NULL) /* might be already set, see above */
|
|
631 gtk_form_set_static_gravity(child->widget->window, TRUE);
|
|
632 }
|
|
633
|
|
634 static void
|
|
635 gtk_form_position_child(GtkForm *form, GtkFormChild *child,
|
|
636 gboolean force_allocate)
|
|
637 {
|
|
638 gint x;
|
|
639 gint y;
|
|
640
|
|
641 x = child->x;
|
|
642 y = child->y;
|
|
643
|
|
644 if ((x >= G_MINSHORT) && (x <= G_MAXSHORT) &&
|
|
645 (y >= G_MINSHORT) && (y <= G_MAXSHORT))
|
|
646 {
|
|
647 if (!child->mapped)
|
|
648 {
|
|
649 if (GTK_WIDGET_MAPPED(form) && GTK_WIDGET_VISIBLE(child->widget))
|
|
650 {
|
|
651 if (!GTK_WIDGET_MAPPED(child->widget))
|
|
652 gtk_widget_map(child->widget);
|
|
653
|
|
654 child->mapped = TRUE;
|
|
655 force_allocate = TRUE;
|
|
656 }
|
|
657 }
|
|
658
|
|
659 if (force_allocate)
|
|
660 {
|
|
661 GtkAllocation allocation;
|
|
662
|
|
663 if (GTK_WIDGET_NO_WINDOW(child->widget))
|
|
664 {
|
|
665 if (child->window)
|
|
666 {
|
|
667 gdk_window_move_resize(child->window,
|
|
668 x, y,
|
|
669 child->widget->requisition.width,
|
|
670 child->widget->requisition.height);
|
|
671 }
|
|
672
|
|
673 allocation.x = 0;
|
|
674 allocation.y = 0;
|
|
675 }
|
|
676 else
|
|
677 {
|
|
678 allocation.x = x;
|
|
679 allocation.y = y;
|
|
680 }
|
|
681
|
|
682 allocation.width = child->widget->requisition.width;
|
|
683 allocation.height = child->widget->requisition.height;
|
|
684
|
|
685 gtk_widget_size_allocate(child->widget, &allocation);
|
|
686 }
|
|
687 }
|
|
688 else
|
|
689 {
|
|
690 if (child->mapped)
|
|
691 {
|
|
692 child->mapped = FALSE;
|
|
693
|
|
694 if (GTK_WIDGET_MAPPED(child->widget))
|
|
695 gtk_widget_unmap(child->widget);
|
|
696 }
|
|
697 }
|
|
698 }
|
|
699
|
|
700 static void
|
|
701 gtk_form_position_children(GtkForm *form)
|
|
702 {
|
|
703 GList *tmp_list;
|
|
704
|
|
705 for (tmp_list = form->children; tmp_list; tmp_list = tmp_list->next)
|
|
706 gtk_form_position_child(form, tmp_list->data, FALSE);
|
|
707 }
|
|
708
|
|
709 /* Callbacks */
|
|
710
|
|
711 /* The main event filter. Actually, we probably don't really need
|
|
712 * to install this as a filter at all, since we are calling it
|
|
713 * directly above in the expose-handling hack.
|
|
714 *
|
|
715 * This routine identifies expose events that are generated when
|
|
716 * we've temporarily moved the bin_window_origin, and translates
|
|
717 * them or discards them, depending on whether we are obscured
|
|
718 * or not.
|
|
719 */
|
|
720 static GdkFilterReturn
|
1884
|
721 gtk_form_filter(GdkXEvent *gdk_xevent, GdkEvent *event UNUSED, gpointer data)
|
7
|
722 {
|
|
723 XEvent *xevent;
|
|
724 GtkForm *form;
|
|
725
|
|
726 xevent = (XEvent *) gdk_xevent;
|
|
727 form = GTK_FORM(data);
|
|
728
|
|
729 switch (xevent->type)
|
|
730 {
|
|
731 case Expose:
|
|
732 if (xevent->xexpose.serial == form->configure_serial)
|
|
733 {
|
|
734 if (form->visibility == GDK_VISIBILITY_UNOBSCURED)
|
|
735 return GDK_FILTER_REMOVE;
|
|
736 else
|
|
737 break;
|
|
738 }
|
|
739 break;
|
|
740
|
|
741 case ConfigureNotify:
|
|
742 if ((xevent->xconfigure.x != 0) || (xevent->xconfigure.y != 0))
|
|
743 form->configure_serial = xevent->xconfigure.serial;
|
|
744 break;
|
|
745 }
|
|
746
|
|
747 return GDK_FILTER_CONTINUE;
|
|
748 }
|
|
749
|
|
750 /* Although GDK does have a GDK_VISIBILITY_NOTIFY event,
|
|
751 * there is no corresponding event in GTK, so we have
|
|
752 * to get the events from a filter
|
|
753 */
|
|
754 static GdkFilterReturn
|
1884
|
755 gtk_form_main_filter(GdkXEvent *gdk_xevent,
|
|
756 GdkEvent *event UNUSED,
|
|
757 gpointer data)
|
7
|
758 {
|
|
759 XEvent *xevent;
|
|
760 GtkForm *form;
|
|
761
|
|
762 xevent = (XEvent *) gdk_xevent;
|
|
763 form = GTK_FORM(data);
|
|
764
|
|
765 if (xevent->type == VisibilityNotify)
|
|
766 {
|
|
767 switch (xevent->xvisibility.state)
|
|
768 {
|
|
769 case VisibilityFullyObscured:
|
|
770 form->visibility = GDK_VISIBILITY_FULLY_OBSCURED;
|
|
771 break;
|
|
772
|
|
773 case VisibilityPartiallyObscured:
|
|
774 form->visibility = GDK_VISIBILITY_PARTIAL;
|
|
775 break;
|
|
776
|
|
777 case VisibilityUnobscured:
|
|
778 form->visibility = GDK_VISIBILITY_UNOBSCURED;
|
|
779 break;
|
|
780 }
|
|
781
|
|
782 return GDK_FILTER_REMOVE;
|
|
783 }
|
|
784 return GDK_FILTER_CONTINUE;
|
|
785 }
|
|
786
|
|
787 static void
|
|
788 gtk_form_set_static_gravity(GdkWindow *window, gboolean use_static)
|
|
789 {
|
1960
|
790 /* We don't check if static gravity is actually supported, because it
|
|
791 * results in an annoying assertion error message. */
|
|
792 gdk_window_set_static_gravities(window, use_static);
|
7
|
793 }
|
|
794
|
|
795 void
|
|
796 gtk_form_move_resize(GtkForm *form, GtkWidget *widget,
|
|
797 gint x, gint y, gint w, gint h)
|
|
798 {
|
|
799 widget->requisition.width = w;
|
|
800 widget->requisition.height = h;
|
|
801
|
|
802 gtk_form_move(form, widget, x, y);
|
|
803 }
|
|
804
|
|
805 static void
|
|
806 gtk_form_send_configure(GtkForm *form)
|
|
807 {
|
|
808 GtkWidget *widget;
|
|
809 GdkEventConfigure event;
|
|
810
|
|
811 widget = GTK_WIDGET(form);
|
|
812
|
|
813 event.type = GDK_CONFIGURE;
|
|
814 event.window = widget->window;
|
|
815 event.x = widget->allocation.x;
|
|
816 event.y = widget->allocation.y;
|
|
817 event.width = widget->allocation.width;
|
|
818 event.height = widget->allocation.height;
|
|
819
|
|
820 gtk_main_do_event((GdkEvent*)&event);
|
|
821 }
|
|
822
|
|
823 static void
|
1884
|
824 gtk_form_child_map(GtkWidget *widget UNUSED, gpointer user_data)
|
7
|
825 {
|
|
826 GtkFormChild *child;
|
|
827
|
|
828 child = (GtkFormChild *)user_data;
|
|
829
|
|
830 child->mapped = TRUE;
|
|
831 gdk_window_show(child->window);
|
|
832 }
|
|
833
|
|
834 static void
|
1884
|
835 gtk_form_child_unmap(GtkWidget *widget UNUSED, gpointer user_data)
|
7
|
836 {
|
|
837 GtkFormChild *child;
|
|
838
|
|
839 child = (GtkFormChild *)user_data;
|
|
840
|
|
841 child->mapped = FALSE;
|
|
842 gdk_window_hide(child->window);
|
|
843 }
|
|
844
|