1 /* GTK - The GIMP Toolkit
2 * Copyright (C) 1995-1997 Peter Mattis, Spencer Kimball and Josh MacDonald
4 * This library is free software; you can redistribute it and/or
5 * modify it under the terms of the GNU Lesser General Public
6 * License as published by the Free Software Foundation; either
7 * version 2 of the License, or (at your option) any later version.
9 * This library is distributed in the hope that it will be useful,
10 * but WITHOUT ANY WARRANTY; without even the implied warranty of
11 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
12 * Lesser General Public License for more details.
14 * You should have received a copy of the GNU Lesser General Public
15 * License along with this library; if not, write to the
16 * Free Software Foundation, Inc., 59 Temple Place - Suite 330,
17 * Boston, MA 02111-1307, USA.
21 * Modified by the GTK+ Team and others 1997-2000. See the AUTHORS
22 * file for a list of people on the GTK+ Team. See the ChangeLog
23 * files for a list of changes. These files are distributed with
24 * GTK+ at ftp://ftp.gtk.org/pub/gtk/.
28 #include "gtkhpaned.h"
32 static void gtk_hpaned_size_request (GtkWidget *widget,
33 GtkRequisition *requisition);
34 static void gtk_hpaned_size_allocate (GtkWidget *widget,
35 GtkAllocation *allocation);
37 G_DEFINE_TYPE (GtkHPaned, gtk_hpaned, GTK_TYPE_PANED)
40 gtk_hpaned_class_init (GtkHPanedClass *class)
42 GtkWidgetClass *widget_class;
44 widget_class = (GtkWidgetClass *) class;
46 widget_class->size_request = gtk_hpaned_size_request;
47 widget_class->size_allocate = gtk_hpaned_size_allocate;
51 gtk_hpaned_init (GtkHPaned *hpaned)
53 GtkPaned *paned = GTK_PANED (hpaned);
55 paned->cursor_type = GDK_SB_H_DOUBLE_ARROW;
56 paned->orientation = GTK_ORIENTATION_VERTICAL;
64 hpaned = g_object_new (GTK_TYPE_HPANED, NULL);
66 return GTK_WIDGET (hpaned);
70 gtk_hpaned_size_request (GtkWidget *widget,
71 GtkRequisition *requisition)
73 GtkPaned *paned = GTK_PANED (widget);
74 GtkRequisition child_requisition;
76 requisition->width = 0;
77 requisition->height = 0;
79 if (paned->child1 && GTK_WIDGET_VISIBLE (paned->child1))
81 gtk_widget_size_request (paned->child1, &child_requisition);
83 requisition->height = child_requisition.height;
84 requisition->width = child_requisition.width;
87 if (paned->child2 && GTK_WIDGET_VISIBLE (paned->child2))
89 gtk_widget_size_request (paned->child2, &child_requisition);
91 requisition->height = MAX(requisition->height, child_requisition.height);
92 requisition->width += child_requisition.width;
95 requisition->width += GTK_CONTAINER (paned)->border_width * 2;
96 requisition->height += GTK_CONTAINER (paned)->border_width * 2;
98 if (paned->child1 && GTK_WIDGET_VISIBLE (paned->child1) &&
99 paned->child2 && GTK_WIDGET_VISIBLE (paned->child2))
103 gtk_widget_style_get (widget, "handle-size", &handle_size, NULL);
104 requisition->width += handle_size;
109 flip_child (GtkWidget *widget, GtkAllocation *child_pos)
111 gint x = widget->allocation.x;
112 gint width = widget->allocation.width;
114 child_pos->x = 2 * x + width - child_pos->x - child_pos->width;
118 gtk_hpaned_size_allocate (GtkWidget *widget,
119 GtkAllocation *allocation)
121 GtkPaned *paned = GTK_PANED (widget);
122 gint border_width = GTK_CONTAINER (paned)->border_width;
124 widget->allocation = *allocation;
126 if (paned->child1 && GTK_WIDGET_VISIBLE (paned->child1) &&
127 paned->child2 && GTK_WIDGET_VISIBLE (paned->child2))
129 GtkAllocation child1_allocation;
130 GtkAllocation child2_allocation;
131 GtkRequisition child1_requisition;
132 GtkRequisition child2_requisition;
135 gtk_widget_style_get (widget, "handle-size", &handle_size, NULL);
137 gtk_widget_get_child_requisition (paned->child1, &child1_requisition);
138 gtk_widget_get_child_requisition (paned->child2, &child2_requisition);
140 gtk_paned_compute_position (paned,
141 MAX (1, widget->allocation.width
144 child1_requisition.width,
145 child2_requisition.width);
147 paned->handle_pos.x = widget->allocation.x + paned->child1_size + border_width;
148 paned->handle_pos.y = widget->allocation.y + border_width;
149 paned->handle_pos.width = handle_size;
150 paned->handle_pos.height = MAX (1, widget->allocation.height - 2 * border_width);
152 child1_allocation.height = child2_allocation.height = MAX (1, (gint) allocation->height - border_width * 2);
153 child1_allocation.width = MAX (1, paned->child1_size);
154 child1_allocation.x = widget->allocation.x + border_width;
155 child1_allocation.y = child2_allocation.y = widget->allocation.y + border_width;
157 child2_allocation.x = child1_allocation.x + paned->child1_size + paned->handle_pos.width;
158 child2_allocation.width = MAX (1, widget->allocation.x + widget->allocation.width - child2_allocation.x - border_width);
160 if (gtk_widget_get_direction (GTK_WIDGET (widget)) == GTK_TEXT_DIR_RTL)
162 flip_child (widget, &(child2_allocation));
163 flip_child (widget, &(child1_allocation));
164 flip_child (widget, &(paned->handle_pos));
167 if (GTK_WIDGET_REALIZED (widget))
169 if (GTK_WIDGET_MAPPED (widget))
170 gdk_window_show (paned->handle);
171 gdk_window_move_resize (paned->handle,
175 paned->handle_pos.height);
178 /* Now allocate the childen, making sure, when resizing not to
179 * overlap the windows
181 if (GTK_WIDGET_MAPPED (widget) &&
182 paned->child1->allocation.width < child1_allocation.width)
184 gtk_widget_size_allocate (paned->child2, &child2_allocation);
185 gtk_widget_size_allocate (paned->child1, &child1_allocation);
189 gtk_widget_size_allocate (paned->child1, &child1_allocation);
190 gtk_widget_size_allocate (paned->child2, &child2_allocation);
195 GtkAllocation child_allocation;
197 if (GTK_WIDGET_REALIZED (widget))
198 gdk_window_hide (paned->handle);
201 gtk_widget_set_child_visible (paned->child1, TRUE);
203 gtk_widget_set_child_visible (paned->child2, TRUE);
205 child_allocation.x = widget->allocation.x + border_width;
206 child_allocation.y = widget->allocation.y + border_width;
207 child_allocation.width = MAX (1, allocation->width - 2 * border_width);
208 child_allocation.height = MAX (1, allocation->height - 2 * border_width);
210 if (paned->child1 && GTK_WIDGET_VISIBLE (paned->child1))
211 gtk_widget_size_allocate (paned->child1, &child_allocation);
212 else if (paned->child2 && GTK_WIDGET_VISIBLE (paned->child2))
213 gtk_widget_size_allocate (paned->child2, &child_allocation);
217 #define __GTK_HPANED_C__
218 #include "gtkaliasdef.c"