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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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11 * (C) 1998,1999 by Marcin Dalecki <dalecki@cs.net.pl>
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12 *
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13 * "I'm a one-man software company. If you have anything UNIX, net or
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14 * embedded systems related, which seems to cause some serious trouble for
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15 * your's in-house developers, maybe we need to talk badly with each other
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16 * :-) <dalecki@cs.net.pl> (My native language is polish and I speak
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17 * native grade german too. I'm living in Göttingen.de.)
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18 * --mdcki"
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19 *
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20 * Support for GTK+ 2 was added by:
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21 *
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22 * (C) 2002,2003 Jason Hildebrand <jason@peaceworks.ca>
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23 * Daniel Elstner <daniel.elstner@gmx.net>
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24 *
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25 * This is a special purspose container widget, which manages arbitrary childs
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26 * at arbitrary positions width arbitrary sizes. This finally puts an end on
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27 * our resizement problems with which we where struggling for such a long time.
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28 */
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29
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30 #include "vim.h"
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31 #include <gtk/gtk.h> /* without this it compiles, but gives errors at
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32 runtime! */
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33 #include "gui_gtk_f.h"
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34 #include <gtk/gtksignal.h>
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35 #ifdef WIN3264
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36 # include <gdk/gdkwin32.h>
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37 #else
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38 # include <gdk/gdkx.h>
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39 #endif
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40
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41 typedef struct _GtkFormChild GtkFormChild;
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42
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43 struct _GtkFormChild
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44 {
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45 GtkWidget *widget;
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46 GdkWindow *window;
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47 gint x; /* relative subwidget x position */
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48 gint y; /* relative subwidget y position */
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49 gint mapped;
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50 };
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51
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52
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53 static void gtk_form_class_init(GtkFormClass *klass);
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54 static void gtk_form_init(GtkForm *form);
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55
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56 static void gtk_form_realize(GtkWidget *widget);
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57 static void gtk_form_unrealize(GtkWidget *widget);
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58 static void gtk_form_map(GtkWidget *widget);
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59 static void gtk_form_size_request(GtkWidget *widget,
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60 GtkRequisition *requisition);
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61 static void gtk_form_size_allocate(GtkWidget *widget,
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62 GtkAllocation *allocation);
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63 #ifndef HAVE_GTK2 /* this isn't needed in gtk2 */
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64 static void gtk_form_draw(GtkWidget *widget,
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65 GdkRectangle *area);
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66 #endif
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67 static gint gtk_form_expose(GtkWidget *widget,
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68 GdkEventExpose *event);
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69
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70 static void gtk_form_remove(GtkContainer *container,
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71 GtkWidget *widget);
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72 static void gtk_form_forall(GtkContainer *container,
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73 gboolean include_internals,
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74 GtkCallback callback,
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75 gpointer callback_data);
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76
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77 static void gtk_form_attach_child_window(GtkForm *form,
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78 GtkFormChild *child);
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79 static void gtk_form_realize_child(GtkForm *form,
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80 GtkFormChild *child);
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81 static void gtk_form_position_child(GtkForm *form,
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82 GtkFormChild *child,
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83 gboolean force_allocate);
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84 static void gtk_form_position_children(GtkForm *form);
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85
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86 static GdkFilterReturn gtk_form_filter(GdkXEvent *gdk_xevent,
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87 GdkEvent *event,
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88 gpointer data);
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89 static GdkFilterReturn gtk_form_main_filter(GdkXEvent *gdk_xevent,
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90 GdkEvent *event,
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91 gpointer data);
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92
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93 static void gtk_form_set_static_gravity(GdkWindow *window,
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94 gboolean use_static);
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95
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96 static void gtk_form_send_configure(GtkForm *form);
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97
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98 static void gtk_form_child_map(GtkWidget *widget, gpointer user_data);
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99 static void gtk_form_child_unmap(GtkWidget *widget, gpointer user_data);
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100
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101 static GtkWidgetClass *parent_class = NULL;
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102
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103 /* Public interface
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104 */
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105
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106 GtkWidget *
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107 gtk_form_new(void)
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108 {
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109 GtkForm *form;
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110
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111 form = gtk_type_new(gtk_form_get_type());
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112
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113 return GTK_WIDGET(form);
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114 }
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115
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116 void
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117 gtk_form_put(GtkForm *form,
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118 GtkWidget *child_widget,
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119 gint x,
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120 gint y)
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121 {
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122 GtkFormChild *child;
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123
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124 g_return_if_fail(GTK_IS_FORM(form));
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125
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126 child = g_new(GtkFormChild, 1);
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127
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128 child->widget = child_widget;
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129 child->window = NULL;
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130 child->x = x;
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131 child->y = y;
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132 child->widget->requisition.width = 0;
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133 child->widget->requisition.height = 0;
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134 child->mapped = FALSE;
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135
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136 form->children = g_list_append(form->children, child);
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137
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138 /* child->window must be created and attached to the widget _before_
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139 * it has been realized, or else things will break with GTK2. Note
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140 * that gtk_widget_set_parent() realizes the widget if it's visible
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141 * and its parent is mapped.
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142 */
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143 if (GTK_WIDGET_REALIZED(form))
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144 gtk_form_attach_child_window(form, child);
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145
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146 gtk_widget_set_parent(child_widget, GTK_WIDGET(form));
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147 gtk_widget_size_request(child->widget, NULL);
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148
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149 if (GTK_WIDGET_REALIZED(form) && !GTK_WIDGET_REALIZED(child_widget))
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150 gtk_form_realize_child(form, child);
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151
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152 gtk_form_position_child(form, child, TRUE);
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153 }
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154
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155 void
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156 gtk_form_move(GtkForm *form,
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157 GtkWidget *child_widget,
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158 gint x,
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159 gint y)
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160 {
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161 GList *tmp_list;
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162 GtkFormChild *child;
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163
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164 g_return_if_fail(GTK_IS_FORM(form));
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165
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166 for (tmp_list = form->children; tmp_list; tmp_list = tmp_list->next)
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167 {
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168 child = tmp_list->data;
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169 if (child->widget == child_widget)
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170 {
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171 child->x = x;
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172 child->y = y;
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173
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174 gtk_form_position_child(form, child, TRUE);
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175 return;
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176 }
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177 }
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178 }
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179
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180 void
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181 gtk_form_set_size(GtkForm *form, guint width, guint height)
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182 {
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183 g_return_if_fail(GTK_IS_FORM(form));
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184
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185 /* prevent unneccessary calls */
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186 if (form->width == width && form->height == height)
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187 return;
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188 form->width = width;
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189 form->height = height;
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190
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191 /* signal the change */
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192 #ifdef HAVE_GTK2
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193 gtk_widget_queue_resize(gtk_widget_get_parent(GTK_WIDGET(form)));
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194 #else
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195 gtk_container_queue_resize(GTK_CONTAINER(GTK_WIDGET(form)->parent));
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196 #endif
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197 }
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198
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199 void
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200 gtk_form_freeze(GtkForm *form)
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201 {
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202 g_return_if_fail(GTK_IS_FORM(form));
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203
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204 ++form->freeze_count;
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205 }
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206
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207 void
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208 gtk_form_thaw(GtkForm *form)
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209 {
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210 g_return_if_fail(GTK_IS_FORM(form));
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211
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212 if (form->freeze_count)
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213 {
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214 if (!(--form->freeze_count))
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215 {
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216 gtk_form_position_children(form);
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217 #ifdef HAVE_GTK2
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218 gtk_widget_queue_draw(GTK_WIDGET(form));
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219 #else
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220 gtk_widget_draw(GTK_WIDGET(form), NULL);
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221 #endif
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222 }
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223 }
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224 }
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225
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226 /* Basic Object handling procedures
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227 */
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228 GtkType
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229 gtk_form_get_type(void)
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230 {
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231 static GtkType form_type = 0;
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232
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233 if (!form_type)
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234 {
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235 GtkTypeInfo form_info =
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236 {
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237 "GtkForm",
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238 sizeof(GtkForm),
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239 sizeof(GtkFormClass),
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240 (GtkClassInitFunc) gtk_form_class_init,
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241 (GtkObjectInitFunc) gtk_form_init
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242 };
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243
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244 form_type = gtk_type_unique(GTK_TYPE_CONTAINER, &form_info);
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245 }
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246 return form_type;
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247 }
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248
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249 static void
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250 gtk_form_class_init(GtkFormClass *klass)
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251 {
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252 GtkWidgetClass *widget_class;
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253 GtkContainerClass *container_class;
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254
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255 widget_class = (GtkWidgetClass *) klass;
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256 container_class = (GtkContainerClass *) klass;
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257
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258 parent_class = gtk_type_class(gtk_container_get_type());
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259
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260 widget_class->realize = gtk_form_realize;
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261 widget_class->unrealize = gtk_form_unrealize;
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262 widget_class->map = gtk_form_map;
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263 widget_class->size_request = gtk_form_size_request;
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264 widget_class->size_allocate = gtk_form_size_allocate;
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265 #ifndef HAVE_GTK2 /* not needed for GTK2 */
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266 widget_class->draw = gtk_form_draw;
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267 #endif
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268 widget_class->expose_event = gtk_form_expose;
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269
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270 container_class->remove = gtk_form_remove;
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271 container_class->forall = gtk_form_forall;
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272 }
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273
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274 static void
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275 gtk_form_init(GtkForm *form)
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276 {
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277 form->children = NULL;
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278
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279 form->width = 1;
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280 form->height = 1;
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281
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282 form->bin_window = NULL;
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283
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284 form->configure_serial = 0;
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285 form->visibility = GDK_VISIBILITY_PARTIAL;
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286
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287 form->freeze_count = 0;
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288 }
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289
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290 /*
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291 * Widget methods
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292 */
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293
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294 static void
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295 gtk_form_realize(GtkWidget *widget)
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296 {
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297 GList *tmp_list;
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298 GtkForm *form;
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299 GdkWindowAttr attributes;
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300 gint attributes_mask;
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301
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302 g_return_if_fail(GTK_IS_FORM(widget));
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303
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304 form = GTK_FORM(widget);
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305 GTK_WIDGET_SET_FLAGS(form, GTK_REALIZED);
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306
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307 attributes.window_type = GDK_WINDOW_CHILD;
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308 attributes.x = widget->allocation.x;
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309 attributes.y = widget->allocation.y;
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310 attributes.width = widget->allocation.width;
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311 attributes.height = widget->allocation.height;
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312 attributes.wclass = GDK_INPUT_OUTPUT;
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313 attributes.visual = gtk_widget_get_visual(widget);
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314 attributes.colormap = gtk_widget_get_colormap(widget);
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315 attributes.event_mask = GDK_VISIBILITY_NOTIFY_MASK;
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316
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317 attributes_mask = GDK_WA_X | GDK_WA_Y | GDK_WA_VISUAL | GDK_WA_COLORMAP;
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318
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319 widget->window = gdk_window_new(gtk_widget_get_parent_window(widget),
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320 &attributes, attributes_mask);
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321 gdk_window_set_user_data(widget->window, widget);
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322
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323 attributes.x = 0;
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324 attributes.y = 0;
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325 attributes.event_mask = gtk_widget_get_events(widget);
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326
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327 form->bin_window = gdk_window_new(widget->window,
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328 &attributes, attributes_mask);
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329 gdk_window_set_user_data(form->bin_window, widget);
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330
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331 gtk_form_set_static_gravity(form->bin_window, TRUE);
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332
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333 widget->style = gtk_style_attach(widget->style, widget->window);
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334 gtk_style_set_background(widget->style, widget->window, GTK_STATE_NORMAL);
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335 gtk_style_set_background(widget->style, form->bin_window, GTK_STATE_NORMAL);
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336
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337 gdk_window_add_filter(widget->window, gtk_form_main_filter, form);
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338 gdk_window_add_filter(form->bin_window, gtk_form_filter, form);
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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 gtk_form_attach_child_window(form, child);
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345
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346 if (GTK_WIDGET_VISIBLE(child->widget))
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347 gtk_form_realize_child(form, child);
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348 }
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349 }
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350
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351
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352 /* After reading the documentation at
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353 * http://developer.gnome.org/doc/API/2.0/gtk/gtk-changes-2-0.html
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354 * I think it should be possible to remove this function when compiling
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355 * against gtk-2.0. It doesn't seem to cause problems, though.
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356 *
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357 * Well, I reckon at least the gdk_window_show(form->bin_window)
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358 * is necessary. GtkForm is anything but a usual container widget.
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359 */
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360 static void
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361 gtk_form_map(GtkWidget *widget)
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362 {
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363 GList *tmp_list;
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364 GtkForm *form;
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365
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366 g_return_if_fail(GTK_IS_FORM(widget));
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367
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368 form = GTK_FORM(widget);
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369
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370 GTK_WIDGET_SET_FLAGS(widget, GTK_MAPPED);
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371
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372 gdk_window_show(widget->window);
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373 gdk_window_show(form->bin_window);
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374
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375 for (tmp_list = form->children; tmp_list; tmp_list = tmp_list->next)
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376 {
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377 GtkFormChild *child = tmp_list->data;
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378
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379 if (GTK_WIDGET_VISIBLE(child->widget)
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380 && !GTK_WIDGET_MAPPED(child->widget))
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381 gtk_widget_map(child->widget);
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382 }
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383 }
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384
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385 static void
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386 gtk_form_unrealize(GtkWidget *widget)
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387 {
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388 GList *tmp_list;
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389 GtkForm *form;
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390
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391 g_return_if_fail(GTK_IS_FORM(widget));
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392
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393 form = GTK_FORM(widget);
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394
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395 tmp_list = form->children;
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396
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397 gdk_window_set_user_data(form->bin_window, NULL);
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398 gdk_window_destroy(form->bin_window);
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399 form->bin_window = NULL;
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400
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401 while (tmp_list)
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402 {
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403 GtkFormChild *child = tmp_list->data;
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404
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405 if (child->window != NULL)
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406 {
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407 gtk_signal_disconnect_by_func(GTK_OBJECT(child->widget),
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408 GTK_SIGNAL_FUNC(gtk_form_child_map),
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409 child);
|
|
|
410 gtk_signal_disconnect_by_func(GTK_OBJECT(child->widget),
|
|
|
411 GTK_SIGNAL_FUNC(gtk_form_child_unmap),
|
|
|
412 child);
|
|
|
413
|
|
|
414 gdk_window_set_user_data(child->window, NULL);
|
|
|
415 gdk_window_destroy(child->window);
|
|
|
416
|
|
|
417 child->window = NULL;
|
|
|
418 }
|
|
|
419
|
|
|
420 tmp_list = tmp_list->next;
|
|
|
421 }
|
|
|
422
|
|
|
423 if (GTK_WIDGET_CLASS (parent_class)->unrealize)
|
|
|
424 (* GTK_WIDGET_CLASS (parent_class)->unrealize) (widget);
|
|
|
425 }
|
|
|
426
|
|
|
427 #ifndef HAVE_GTK2
|
|
|
428 static void
|
|
|
429 gtk_form_draw(GtkWidget *widget, GdkRectangle *area)
|
|
|
430 {
|
|
|
431 GtkForm *form;
|
|
|
432 GList *children;
|
|
|
433 GtkFormChild *child;
|
|
|
434 GdkRectangle child_area;
|
|
|
435
|
|
|
436 g_return_if_fail(GTK_IS_FORM(widget));
|
|
|
437
|
|
|
438 if (GTK_WIDGET_DRAWABLE(widget))
|
|
|
439 {
|
|
|
440 form = GTK_FORM(widget);
|
|
|
441
|
|
|
442 children = form->children;
|
|
|
443
|
|
|
444 while (children)
|
|
|
445 {
|
|
|
446 child = children->data;
|
|
|
447
|
|
|
448 if (GTK_WIDGET_DRAWABLE(child->widget)
|
|
|
449 && gtk_widget_intersect(child->widget, area, &child_area))
|
|
|
450 gtk_widget_draw(child->widget, &child_area);
|
|
|
451
|
|
|
452 children = children->next;
|
|
|
453 }
|
|
|
454 }
|
|
|
455 }
|
|
|
456 #endif /* !HAVE_GTK2 */
|
|
|
457
|
|
|
458 static void
|
|
|
459 gtk_form_size_request(GtkWidget *widget, GtkRequisition *requisition)
|
|
|
460 {
|
|
|
461 GList *tmp_list;
|
|
|
462 GtkForm *form;
|
|
|
463
|
|
|
464 g_return_if_fail(GTK_IS_FORM(widget));
|
|
|
465
|
|
|
466 form = GTK_FORM(widget);
|
|
|
467
|
|
|
468 requisition->width = form->width;
|
|
|
469 requisition->height = form->height;
|
|
|
470
|
|
|
471 tmp_list = form->children;
|
|
|
472
|
|
|
473 while (tmp_list)
|
|
|
474 {
|
|
|
475 GtkFormChild *child = tmp_list->data;
|
|
|
476 gtk_widget_size_request(child->widget, NULL);
|
|
|
477 tmp_list = tmp_list->next;
|
|
|
478 }
|
|
|
479 }
|
|
|
480
|
|
|
481 static void
|
|
|
482 gtk_form_size_allocate(GtkWidget *widget, GtkAllocation *allocation)
|
|
|
483 {
|
|
|
484 GList *tmp_list;
|
|
|
485 GtkForm *form;
|
|
|
486 gboolean need_reposition;
|
|
|
487
|
|
|
488 g_return_if_fail(GTK_IS_FORM(widget));
|
|
|
489
|
|
|
490 if (widget->allocation.x == allocation->x
|
|
|
491 && widget->allocation.y == allocation->y
|
|
|
492 && widget->allocation.width == allocation->width
|
|
|
493 && widget->allocation.height == allocation->height)
|
|
|
494 return;
|
|
|
495
|
|
|
496 need_reposition = widget->allocation.width != allocation->width
|
|
|
497 || widget->allocation.height != allocation->height;
|
|
|
498 form = GTK_FORM(widget);
|
|
|
499
|
|
|
500 if (need_reposition)
|
|
|
501 {
|
|
|
502 tmp_list = form->children;
|
|
|
503
|
|
|
504 while (tmp_list)
|
|
|
505 {
|
|
|
506 GtkFormChild *child = tmp_list->data;
|
|
|
507 gtk_form_position_child(form, child, TRUE);
|
|
|
508
|
|
|
509 tmp_list = tmp_list->next;
|
|
|
510 }
|
|
|
511 }
|
|
|
512
|
|
|
513 if (GTK_WIDGET_REALIZED(widget))
|
|
|
514 {
|
|
|
515 gdk_window_move_resize(widget->window,
|
|
|
516 allocation->x, allocation->y,
|
|
|
517 allocation->width, allocation->height);
|
|
|
518 gdk_window_move_resize(GTK_FORM(widget)->bin_window,
|
|
|
519 0, 0,
|
|
|
520 allocation->width, allocation->height);
|
|
|
521 }
|
|
|
522 widget->allocation = *allocation;
|
|
|
523 if (need_reposition)
|
|
|
524 gtk_form_send_configure(form);
|
|
|
525 }
|
|
|
526
|
|
|
527 static gint
|
|
|
528 gtk_form_expose(GtkWidget *widget, GdkEventExpose *event)
|
|
|
529 {
|
|
|
530 GList *tmp_list;
|
|
|
531 GtkForm *form;
|
|
|
532
|
|
|
533 g_return_val_if_fail(GTK_IS_FORM(widget), FALSE);
|
|
|
534
|
|
|
535 form = GTK_FORM(widget);
|
|
|
536
|
|
|
537 if (event->window == form->bin_window)
|
|
|
538 return FALSE;
|
|
|
539
|
|
|
540 for (tmp_list = form->children; tmp_list; tmp_list = tmp_list->next)
|
|
|
541 {
|
|
|
542 #ifdef HAVE_GTK2
|
|
|
543 GtkFormChild *formchild = tmp_list->data;
|
|
|
544 GtkWidget *child = formchild->widget;
|
|
|
545 /*
|
|
|
546 * The following chunk of code is taken from gtkcontainer.c. The
|
|
|
547 * gtk1.x code synthesized expose events directly on the child widgets,
|
|
|
548 * which can't be done in gtk2
|
|
|
549 */
|
|
|
550 if (GTK_WIDGET_DRAWABLE(child) && GTK_WIDGET_NO_WINDOW(child)
|
|
|
551 && child->window == event->window)
|
|
|
552 {
|
|
|
553 GdkEventExpose child_event;
|
|
|
554 child_event = *event;
|
|
|
555
|
|
|
556 child_event.region = gtk_widget_region_intersect(child, event->region);
|
|
|
557 if (!gdk_region_empty(child_event.region))
|
|
|
558 {
|
|
|
559 gdk_region_get_clipbox(child_event.region, &child_event.area);
|
|
|
560 gtk_widget_send_expose(child, (GdkEvent *)&child_event);
|
|
|
561 }
|
|
|
562 }
|
|
|
563 #else /* !HAVE_GTK2 */
|
|
|
564 GtkFormChild *child = tmp_list->data;
|
|
|
565
|
|
|
566 if (event->window == child->window)
|
|
|
567 return gtk_widget_event(child->widget, (GdkEvent *) event);
|
|
|
568 #endif /* !HAVE_GTK2 */
|
|
|
569 }
|
|
|
570
|
|
|
571 return FALSE;
|
|
|
572 }
|
|
|
573
|
|
|
574 /* Container method
|
|
|
575 */
|
|
|
576 static void
|
|
|
577 gtk_form_remove(GtkContainer *container, GtkWidget *widget)
|
|
|
578 {
|
|
|
579 GList *tmp_list;
|
|
|
580 GtkForm *form;
|
|
|
581 GtkFormChild *child = NULL; /* init for gcc */
|
|
|
582
|
|
|
583 g_return_if_fail(GTK_IS_FORM(container));
|
|
|
584
|
|
|
585 form = GTK_FORM(container);
|
|
|
586
|
|
|
587 tmp_list = form->children;
|
|
|
588 while (tmp_list)
|
|
|
589 {
|
|
|
590 child = tmp_list->data;
|
|
|
591 if (child->widget == widget)
|
|
|
592 break;
|
|
|
593 tmp_list = tmp_list->next;
|
|
|
594 }
|
|
|
595
|
|
|
596 if (tmp_list)
|
|
|
597 {
|
|
|
598 if (child->window)
|
|
|
599 {
|
|
|
600 gtk_signal_disconnect_by_func(GTK_OBJECT(child->widget),
|
|
|
601 GTK_SIGNAL_FUNC(>k_form_child_map), child);
|
|
|
602 gtk_signal_disconnect_by_func(GTK_OBJECT(child->widget),
|
|
|
603 GTK_SIGNAL_FUNC(>k_form_child_unmap), child);
|
|
|
604
|
|
|
605 /* FIXME: This will cause problems for reparenting NO_WINDOW
|
|
|
606 * widgets out of a GtkForm
|
|
|
607 */
|
|
|
608 gdk_window_set_user_data(child->window, NULL);
|
|
|
609 gdk_window_destroy(child->window);
|
|
|
610 }
|
|
|
611 gtk_widget_unparent(widget);
|
|
|
612
|
|
|
613 form->children = g_list_remove_link(form->children, tmp_list);
|
|
|
614 g_list_free_1(tmp_list);
|
|
|
615 g_free(child);
|
|
|
616 }
|
|
|
617 }
|
|
|
618
|
|
|
619 /*ARGSUSED1*/
|
|
|
620 static void
|
|
|
621 gtk_form_forall(GtkContainer *container,
|
|
|
622 gboolean include_internals,
|
|
|
623 GtkCallback callback,
|
|
|
624 gpointer callback_data)
|
|
|
625 {
|
|
|
626 GtkForm *form;
|
|
|
627 GtkFormChild *child;
|
|
|
628 GList *tmp_list;
|
|
|
629
|
|
|
630 g_return_if_fail(GTK_IS_FORM(container));
|
|
|
631 g_return_if_fail(callback != NULL);
|
|
|
632
|
|
|
633 form = GTK_FORM(container);
|
|
|
634
|
|
|
635 tmp_list = form->children;
|
|
|
636 while (tmp_list)
|
|
|
637 {
|
|
|
638 child = tmp_list->data;
|
|
|
639 tmp_list = tmp_list->next;
|
|
|
640
|
|
|
641 (*callback) (child->widget, callback_data);
|
|
|
642 }
|
|
|
643 }
|
|
|
644
|
|
|
645 /* Operations on children
|
|
|
646 */
|
|
|
647
|
|
|
648 static void
|
|
|
649 gtk_form_attach_child_window(GtkForm *form, GtkFormChild *child)
|
|
|
650 {
|
|
|
651 if (child->window != NULL)
|
|
|
652 return; /* been there, done that */
|
|
|
653
|
|
|
654 if (GTK_WIDGET_NO_WINDOW(child->widget))
|
|
|
655 {
|
|
|
656 GtkWidget *widget;
|
|
|
657 GdkWindowAttr attributes;
|
|
|
658 gint attributes_mask;
|
|
|
659
|
|
|
660 widget = GTK_WIDGET(form);
|
|
|
661
|
|
|
662 attributes.window_type = GDK_WINDOW_CHILD;
|
|
|
663 attributes.x = child->x;
|
|
|
664 attributes.y = child->y;
|
|
|
665 attributes.width = child->widget->requisition.width;
|
|
|
666 attributes.height = child->widget->requisition.height;
|
|
|
667 attributes.wclass = GDK_INPUT_OUTPUT;
|
|
|
668 attributes.visual = gtk_widget_get_visual(widget);
|
|
|
669 attributes.colormap = gtk_widget_get_colormap(widget);
|
|
|
670 attributes.event_mask = GDK_EXPOSURE_MASK;
|
|
|
671
|
|
|
672 attributes_mask = GDK_WA_X | GDK_WA_Y | GDK_WA_VISUAL | GDK_WA_COLORMAP;
|
|
|
673 child->window = gdk_window_new(form->bin_window,
|
|
|
674 &attributes, attributes_mask);
|
|
|
675 gdk_window_set_user_data(child->window, widget);
|
|
|
676
|
|
|
677 gtk_style_set_background(widget->style,
|
|
|
678 child->window,
|
|
|
679 GTK_STATE_NORMAL);
|
|
|
680
|
|
|
681 gtk_widget_set_parent_window(child->widget, child->window);
|
|
|
682 gtk_form_set_static_gravity(child->window, TRUE);
|
|
|
683 /*
|
|
|
684 * Install signal handlers to map/unmap child->window
|
|
|
685 * alongside with the actual widget.
|
|
|
686 */
|
|
|
687 gtk_signal_connect(GTK_OBJECT(child->widget), "map",
|
|
|
688 GTK_SIGNAL_FUNC(>k_form_child_map), child);
|
|
|
689 gtk_signal_connect(GTK_OBJECT(child->widget), "unmap",
|
|
|
690 GTK_SIGNAL_FUNC(>k_form_child_unmap), child);
|
|
|
691 }
|
|
|
692 else if (!GTK_WIDGET_REALIZED(child->widget))
|
|
|
693 {
|
|
|
694 gtk_widget_set_parent_window(child->widget, form->bin_window);
|
|
|
695 }
|
|
|
696 }
|
|
|
697
|
|
|
698 static void
|
|
|
699 gtk_form_realize_child(GtkForm *form, GtkFormChild *child)
|
|
|
700 {
|
|
|
701 gtk_form_attach_child_window(form, child);
|
|
|
702 gtk_widget_realize(child->widget);
|
|
|
703
|
|
|
704 if (child->window == NULL) /* might be already set, see above */
|
|
|
705 gtk_form_set_static_gravity(child->widget->window, TRUE);
|
|
|
706 }
|
|
|
707
|
|
|
708 static void
|
|
|
709 gtk_form_position_child(GtkForm *form, GtkFormChild *child,
|
|
|
710 gboolean force_allocate)
|
|
|
711 {
|
|
|
712 gint x;
|
|
|
713 gint y;
|
|
|
714
|
|
|
715 x = child->x;
|
|
|
716 y = child->y;
|
|
|
717
|
|
|
718 if ((x >= G_MINSHORT) && (x <= G_MAXSHORT) &&
|
|
|
719 (y >= G_MINSHORT) && (y <= G_MAXSHORT))
|
|
|
720 {
|
|
|
721 if (!child->mapped)
|
|
|
722 {
|
|
|
723 if (GTK_WIDGET_MAPPED(form) && GTK_WIDGET_VISIBLE(child->widget))
|
|
|
724 {
|
|
|
725 if (!GTK_WIDGET_MAPPED(child->widget))
|
|
|
726 gtk_widget_map(child->widget);
|
|
|
727
|
|
|
728 child->mapped = TRUE;
|
|
|
729 force_allocate = TRUE;
|
|
|
730 }
|
|
|
731 }
|
|
|
732
|
|
|
733 if (force_allocate)
|
|
|
734 {
|
|
|
735 GtkAllocation allocation;
|
|
|
736
|
|
|
737 if (GTK_WIDGET_NO_WINDOW(child->widget))
|
|
|
738 {
|
|
|
739 if (child->window)
|
|
|
740 {
|
|
|
741 gdk_window_move_resize(child->window,
|
|
|
742 x, y,
|
|
|
743 child->widget->requisition.width,
|
|
|
744 child->widget->requisition.height);
|
|
|
745 }
|
|
|
746
|
|
|
747 allocation.x = 0;
|
|
|
748 allocation.y = 0;
|
|
|
749 }
|
|
|
750 else
|
|
|
751 {
|
|
|
752 allocation.x = x;
|
|
|
753 allocation.y = y;
|
|
|
754 }
|
|
|
755
|
|
|
756 allocation.width = child->widget->requisition.width;
|
|
|
757 allocation.height = child->widget->requisition.height;
|
|
|
758
|
|
|
759 gtk_widget_size_allocate(child->widget, &allocation);
|
|
|
760 }
|
|
|
761 }
|
|
|
762 else
|
|
|
763 {
|
|
|
764 if (child->mapped)
|
|
|
765 {
|
|
|
766 child->mapped = FALSE;
|
|
|
767
|
|
|
768 if (GTK_WIDGET_MAPPED(child->widget))
|
|
|
769 gtk_widget_unmap(child->widget);
|
|
|
770 }
|
|
|
771 }
|
|
|
772 }
|
|
|
773
|
|
|
774 static void
|
|
|
775 gtk_form_position_children(GtkForm *form)
|
|
|
776 {
|
|
|
777 GList *tmp_list;
|
|
|
778
|
|
|
779 for (tmp_list = form->children; tmp_list; tmp_list = tmp_list->next)
|
|
|
780 gtk_form_position_child(form, tmp_list->data, FALSE);
|
|
|
781 }
|
|
|
782
|
|
|
783 /* Callbacks */
|
|
|
784
|
|
|
785 /* The main event filter. Actually, we probably don't really need
|
|
|
786 * to install this as a filter at all, since we are calling it
|
|
|
787 * directly above in the expose-handling hack.
|
|
|
788 *
|
|
|
789 * This routine identifies expose events that are generated when
|
|
|
790 * we've temporarily moved the bin_window_origin, and translates
|
|
|
791 * them or discards them, depending on whether we are obscured
|
|
|
792 * or not.
|
|
|
793 */
|
|
|
794 /*ARGSUSED1*/
|
|
|
795 static GdkFilterReturn
|
|
|
796 gtk_form_filter(GdkXEvent *gdk_xevent, GdkEvent *event, gpointer data)
|
|
|
797 {
|
|
|
798 XEvent *xevent;
|
|
|
799 GtkForm *form;
|
|
|
800
|
|
|
801 xevent = (XEvent *) gdk_xevent;
|
|
|
802 form = GTK_FORM(data);
|
|
|
803
|
|
|
804 switch (xevent->type)
|
|
|
805 {
|
|
|
806 case Expose:
|
|
|
807 if (xevent->xexpose.serial == form->configure_serial)
|
|
|
808 {
|
|
|
809 if (form->visibility == GDK_VISIBILITY_UNOBSCURED)
|
|
|
810 return GDK_FILTER_REMOVE;
|
|
|
811 else
|
|
|
812 break;
|
|
|
813 }
|
|
|
814 break;
|
|
|
815
|
|
|
816 case ConfigureNotify:
|
|
|
817 if ((xevent->xconfigure.x != 0) || (xevent->xconfigure.y != 0))
|
|
|
818 form->configure_serial = xevent->xconfigure.serial;
|
|
|
819 break;
|
|
|
820 }
|
|
|
821
|
|
|
822 return GDK_FILTER_CONTINUE;
|
|
|
823 }
|
|
|
824
|
|
|
825 /* Although GDK does have a GDK_VISIBILITY_NOTIFY event,
|
|
|
826 * there is no corresponding event in GTK, so we have
|
|
|
827 * to get the events from a filter
|
|
|
828 */
|
|
|
829 /*ARGSUSED1*/
|
|
|
830 static GdkFilterReturn
|
|
|
831 gtk_form_main_filter(GdkXEvent *gdk_xevent, GdkEvent *event, gpointer data)
|
|
|
832 {
|
|
|
833 XEvent *xevent;
|
|
|
834 GtkForm *form;
|
|
|
835
|
|
|
836 xevent = (XEvent *) gdk_xevent;
|
|
|
837 form = GTK_FORM(data);
|
|
|
838
|
|
|
839 if (xevent->type == VisibilityNotify)
|
|
|
840 {
|
|
|
841 switch (xevent->xvisibility.state)
|
|
|
842 {
|
|
|
843 case VisibilityFullyObscured:
|
|
|
844 form->visibility = GDK_VISIBILITY_FULLY_OBSCURED;
|
|
|
845 break;
|
|
|
846
|
|
|
847 case VisibilityPartiallyObscured:
|
|
|
848 form->visibility = GDK_VISIBILITY_PARTIAL;
|
|
|
849 break;
|
|
|
850
|
|
|
851 case VisibilityUnobscured:
|
|
|
852 form->visibility = GDK_VISIBILITY_UNOBSCURED;
|
|
|
853 break;
|
|
|
854 }
|
|
|
855
|
|
|
856 return GDK_FILTER_REMOVE;
|
|
|
857 }
|
|
|
858 return GDK_FILTER_CONTINUE;
|
|
|
859 }
|
|
|
860
|
|
|
861 /* Routines to set the window gravity, and check whether it is
|
|
|
862 * functional. Extra capabilities need to be added to GDK, so
|
|
|
863 * we don't have to use Xlib here.
|
|
|
864 */
|
|
|
865 static void
|
|
|
866 gtk_form_set_static_gravity(GdkWindow *window, gboolean use_static)
|
|
|
867 {
|
|
|
868 #ifdef HAVE_GTK2
|
|
|
869 gboolean static_gravity_supported;
|
|
|
870
|
|
|
871 static_gravity_supported = gdk_window_set_static_gravities(window,
|
|
|
872 use_static);
|
|
|
873 g_return_if_fail(static_gravity_supported);
|
|
|
874 #else
|
|
|
875 XSetWindowAttributes xattributes;
|
|
|
876
|
|
|
877 xattributes.win_gravity = (use_static) ? StaticGravity : NorthWestGravity;
|
|
|
878 xattributes.bit_gravity = (use_static) ? StaticGravity : NorthWestGravity;
|
|
|
879
|
|
|
880 XChangeWindowAttributes(GDK_WINDOW_XDISPLAY(window),
|
|
|
881 GDK_WINDOW_XWINDOW(window),
|
|
|
882 CWBitGravity | CWWinGravity,
|
|
|
883 &xattributes);
|
|
|
884 #endif
|
|
|
885 }
|
|
|
886
|
|
|
887 void
|
|
|
888 gtk_form_move_resize(GtkForm *form, GtkWidget *widget,
|
|
|
889 gint x, gint y, gint w, gint h)
|
|
|
890 {
|
|
|
891 widget->requisition.width = w;
|
|
|
892 widget->requisition.height = h;
|
|
|
893
|
|
|
894 gtk_form_move(form, widget, x, y);
|
|
|
895 }
|
|
|
896
|
|
|
897 static void
|
|
|
898 gtk_form_send_configure(GtkForm *form)
|
|
|
899 {
|
|
|
900 GtkWidget *widget;
|
|
|
901 GdkEventConfigure event;
|
|
|
902
|
|
|
903 widget = GTK_WIDGET(form);
|
|
|
904
|
|
|
905 event.type = GDK_CONFIGURE;
|
|
|
906 event.window = widget->window;
|
|
|
907 event.x = widget->allocation.x;
|
|
|
908 event.y = widget->allocation.y;
|
|
|
909 event.width = widget->allocation.width;
|
|
|
910 event.height = widget->allocation.height;
|
|
|
911
|
|
|
912 #ifdef HAVE_GTK2
|
|
|
913 gtk_main_do_event((GdkEvent*)&event);
|
|
|
914 #else
|
|
|
915 gtk_widget_event(widget, (GdkEvent*)&event);
|
|
|
916 #endif
|
|
|
917 }
|
|
|
918
|
|
|
919 /*ARGSUSED0*/
|
|
|
920 static void
|
|
|
921 gtk_form_child_map(GtkWidget *widget, gpointer user_data)
|
|
|
922 {
|
|
|
923 GtkFormChild *child;
|
|
|
924
|
|
|
925 child = (GtkFormChild *)user_data;
|
|
|
926
|
|
|
927 child->mapped = TRUE;
|
|
|
928 gdk_window_show(child->window);
|
|
|
929 }
|
|
|
930
|
|
|
931 /*ARGSUSED0*/
|
|
|
932 static void
|
|
|
933 gtk_form_child_unmap(GtkWidget *widget, gpointer user_data)
|
|
|
934 {
|
|
|
935 GtkFormChild *child;
|
|
|
936
|
|
|
937 child = (GtkFormChild *)user_data;
|
|
|
938
|
|
|
939 child->mapped = FALSE;
|
|
|
940 gdk_window_hide(child->window);
|
|
|
941 }
|
|
|
942
|
