forked from AuroraMiddleware/gtk
223 lines
7.0 KiB
C
223 lines
7.0 KiB
C
/* GTK - The GIMP Toolkit
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* Copyright (C) 1995-1997 Peter Mattis, Spencer Kimball and Josh MacDonald
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*
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* This library is free software; you can redistribute it and/or
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* modify it under the terms of the GNU Lesser General Public
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* License as published by the Free Software Foundation; either
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* version 2 of the License, or (at your option) any later version.
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*
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* This library is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
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* Lesser General Public License for more details.
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*
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* You should have received a copy of the GNU Lesser General Public
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* License along with this library; if not, write to the
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* Free Software Foundation, Inc., 59 Temple Place - Suite 330,
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* Boston, MA 02111-1307, USA.
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*/
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/*
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* Modified by the GTK+ Team and others 1997-2000. See the AUTHORS
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* file for a list of people on the GTK+ Team. See the ChangeLog
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* files for a list of changes. These files are distributed with
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* GTK+ at ftp://ftp.gtk.org/pub/gtk/.
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*/
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#include <config.h>
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#include "gtkhpaned.h"
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#include "gtkintl.h"
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#include "gtkalias.h"
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static void gtk_hpaned_size_request (GtkWidget *widget,
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GtkRequisition *requisition);
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static void gtk_hpaned_size_allocate (GtkWidget *widget,
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GtkAllocation *allocation);
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G_DEFINE_TYPE (GtkHPaned, gtk_hpaned, GTK_TYPE_PANED)
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static void
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gtk_hpaned_class_init (GtkHPanedClass *class)
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{
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GtkWidgetClass *widget_class;
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widget_class = (GtkWidgetClass *) class;
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widget_class->size_request = gtk_hpaned_size_request;
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widget_class->size_allocate = gtk_hpaned_size_allocate;
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}
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static void
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gtk_hpaned_init (GtkHPaned *hpaned)
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{
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GtkPaned *paned;
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g_return_if_fail (GTK_IS_PANED (hpaned));
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paned = GTK_PANED (hpaned);
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paned->cursor_type = GDK_SB_H_DOUBLE_ARROW;
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paned->orientation = GTK_ORIENTATION_VERTICAL;
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}
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GtkWidget *
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gtk_hpaned_new (void)
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{
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GtkHPaned *hpaned;
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hpaned = g_object_new (GTK_TYPE_HPANED, NULL);
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return GTK_WIDGET (hpaned);
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}
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static void
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gtk_hpaned_size_request (GtkWidget *widget,
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GtkRequisition *requisition)
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{
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GtkPaned *paned = GTK_PANED (widget);
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GtkRequisition child_requisition;
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requisition->width = 0;
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requisition->height = 0;
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if (paned->child1 && GTK_WIDGET_VISIBLE (paned->child1))
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{
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gtk_widget_size_request (paned->child1, &child_requisition);
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requisition->height = child_requisition.height;
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requisition->width = child_requisition.width;
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}
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if (paned->child2 && GTK_WIDGET_VISIBLE (paned->child2))
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{
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gtk_widget_size_request (paned->child2, &child_requisition);
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requisition->height = MAX(requisition->height, child_requisition.height);
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requisition->width += child_requisition.width;
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}
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requisition->width += GTK_CONTAINER (paned)->border_width * 2;
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requisition->height += GTK_CONTAINER (paned)->border_width * 2;
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if (paned->child1 && GTK_WIDGET_VISIBLE (paned->child1) &&
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paned->child2 && GTK_WIDGET_VISIBLE (paned->child2))
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{
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gint handle_size;
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gtk_widget_style_get (widget, "handle-size", &handle_size, NULL);
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requisition->width += handle_size;
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}
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}
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static void
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flip_child (GtkWidget *widget, GtkAllocation *child_pos)
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{
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gint x = widget->allocation.x;
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gint width = widget->allocation.width;
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child_pos->x = 2 * x + width - child_pos->x - child_pos->width;
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}
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static void
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gtk_hpaned_size_allocate (GtkWidget *widget,
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GtkAllocation *allocation)
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{
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GtkPaned *paned = GTK_PANED (widget);
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gint border_width = GTK_CONTAINER (paned)->border_width;
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widget->allocation = *allocation;
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if (paned->child1 && GTK_WIDGET_VISIBLE (paned->child1) &&
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paned->child2 && GTK_WIDGET_VISIBLE (paned->child2))
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{
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GtkAllocation child1_allocation;
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GtkAllocation child2_allocation;
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GtkRequisition child1_requisition;
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GtkRequisition child2_requisition;
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gint handle_size;
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gtk_widget_style_get (widget, "handle-size", &handle_size, NULL);
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gtk_widget_get_child_requisition (paned->child1, &child1_requisition);
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gtk_widget_get_child_requisition (paned->child2, &child2_requisition);
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gtk_paned_compute_position (paned,
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MAX (1, widget->allocation.width
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- handle_size
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- 2 * border_width),
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child1_requisition.width,
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child2_requisition.width);
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paned->handle_pos.x = widget->allocation.x + paned->child1_size + border_width;
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paned->handle_pos.y = widget->allocation.y + border_width;
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paned->handle_pos.width = handle_size;
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paned->handle_pos.height = MAX (1, widget->allocation.height - 2 * border_width);
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child1_allocation.height = child2_allocation.height = MAX (1, (gint) allocation->height - border_width * 2);
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child1_allocation.width = MAX (1, paned->child1_size);
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child1_allocation.x = widget->allocation.x + border_width;
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child1_allocation.y = child2_allocation.y = widget->allocation.y + border_width;
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child2_allocation.x = child1_allocation.x + paned->child1_size + paned->handle_pos.width;
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child2_allocation.width = MAX (1, widget->allocation.x + widget->allocation.width - child2_allocation.x - border_width);
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if (gtk_widget_get_direction (GTK_WIDGET (widget)) == GTK_TEXT_DIR_RTL)
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{
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flip_child (widget, &(child2_allocation));
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flip_child (widget, &(child1_allocation));
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flip_child (widget, &(paned->handle_pos));
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}
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if (GTK_WIDGET_REALIZED (widget))
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{
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if (GTK_WIDGET_MAPPED (widget))
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gdk_window_show (paned->handle);
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gdk_window_move_resize (paned->handle,
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paned->handle_pos.x,
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paned->handle_pos.y,
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handle_size,
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paned->handle_pos.height);
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}
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/* Now allocate the childen, making sure, when resizing not to
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* overlap the windows
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*/
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if (GTK_WIDGET_MAPPED (widget) &&
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paned->child1->allocation.width < child1_allocation.width)
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{
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gtk_widget_size_allocate (paned->child2, &child2_allocation);
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gtk_widget_size_allocate (paned->child1, &child1_allocation);
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}
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else
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{
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gtk_widget_size_allocate (paned->child1, &child1_allocation);
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gtk_widget_size_allocate (paned->child2, &child2_allocation);
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}
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}
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else
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{
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GtkAllocation child_allocation;
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if (GTK_WIDGET_REALIZED (widget))
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gdk_window_hide (paned->handle);
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if (paned->child1)
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gtk_widget_set_child_visible (paned->child1, TRUE);
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if (paned->child2)
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gtk_widget_set_child_visible (paned->child2, TRUE);
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child_allocation.x = widget->allocation.x + border_width;
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child_allocation.y = widget->allocation.y + border_width;
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child_allocation.width = MAX (1, allocation->width - 2 * border_width);
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child_allocation.height = MAX (1, allocation->height - 2 * border_width);
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if (paned->child1 && GTK_WIDGET_VISIBLE (paned->child1))
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gtk_widget_size_allocate (paned->child1, &child_allocation);
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else if (paned->child2 && GTK_WIDGET_VISIBLE (paned->child2))
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gtk_widget_size_allocate (paned->child2, &child_allocation);
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}
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}
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#define __GTK_HPANED_C__
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#include "gtkaliasdef.c"
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