453 lines
12 KiB
C
453 lines
12 KiB
C
/* GTK - The GIMP Toolkit
|
|
* Copyright (C) 1995-1997 Peter Mattis, Spencer Kimball and Josh MacDonald
|
|
*
|
|
* This library is free software; you can redistribute it and/or
|
|
* modify it under the terms of the GNU Library General Public
|
|
* License as published by the Free Software Foundation; either
|
|
* version 2 of the License, or (at your option) any later version.
|
|
*
|
|
* This library is distributed in the hope that it will be useful,
|
|
* but WITHOUT ANY WARRANTY; without even the implied warranty of
|
|
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
|
|
* Library General Public License for more details.
|
|
*
|
|
* You should have received a copy of the GNU Library General Public
|
|
* License along with this library; if not, write to the Free
|
|
* Software Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
|
|
*/
|
|
#include "gtkpaned.h"
|
|
|
|
|
|
static void gtk_paned_class_init (GtkPanedClass *klass);
|
|
static void gtk_paned_init (GtkPaned *paned);
|
|
static void gtk_paned_destroy (GtkObject *object);
|
|
static void gtk_paned_realize (GtkWidget *widget);
|
|
static void gtk_paned_map (GtkWidget *widget);
|
|
static void gtk_paned_unmap (GtkWidget *widget);
|
|
static void gtk_paned_unrealize (GtkWidget *widget);
|
|
static gint gtk_paned_expose (GtkWidget *widget,
|
|
GdkEventExpose *event);
|
|
static void gtk_paned_add (GtkContainer *container,
|
|
GtkWidget *widget);
|
|
static void gtk_paned_remove (GtkContainer *container,
|
|
GtkWidget *widget);
|
|
static void gtk_paned_foreach (GtkContainer *container,
|
|
GtkCallback callback,
|
|
gpointer callback_data);
|
|
|
|
|
|
static GtkContainerClass *parent_class = NULL;
|
|
|
|
|
|
guint
|
|
gtk_paned_get_type ()
|
|
{
|
|
static guint paned_type = 0;
|
|
|
|
if (!paned_type)
|
|
{
|
|
GtkTypeInfo paned_info =
|
|
{
|
|
"GtkPaned",
|
|
sizeof (GtkPaned),
|
|
sizeof (GtkPanedClass),
|
|
(GtkClassInitFunc) gtk_paned_class_init,
|
|
(GtkObjectInitFunc) gtk_paned_init,
|
|
(GtkArgFunc) NULL,
|
|
};
|
|
|
|
paned_type = gtk_type_unique (gtk_container_get_type (), &paned_info);
|
|
}
|
|
|
|
return paned_type;
|
|
}
|
|
|
|
static void
|
|
gtk_paned_class_init (GtkPanedClass *class)
|
|
{
|
|
GtkObjectClass *object_class;
|
|
GtkWidgetClass *widget_class;
|
|
GtkContainerClass *container_class;
|
|
|
|
object_class = (GtkObjectClass*) class;
|
|
widget_class = (GtkWidgetClass*) class;
|
|
container_class = (GtkContainerClass*) class;
|
|
|
|
parent_class = gtk_type_class (gtk_container_get_type ());
|
|
|
|
object_class->destroy = gtk_paned_destroy;
|
|
|
|
widget_class->realize = gtk_paned_realize;
|
|
widget_class->map = gtk_paned_map;
|
|
widget_class->unmap = gtk_paned_unmap;
|
|
widget_class->unrealize = gtk_paned_unrealize;
|
|
widget_class->expose_event = gtk_paned_expose;
|
|
|
|
container_class->add = gtk_paned_add;
|
|
container_class->remove = gtk_paned_remove;
|
|
container_class->foreach = gtk_paned_foreach;
|
|
}
|
|
|
|
static void
|
|
gtk_paned_init (GtkPaned *paned)
|
|
{
|
|
GTK_WIDGET_SET_FLAGS (paned, GTK_NO_WINDOW);
|
|
|
|
paned->child1 = NULL;
|
|
paned->child2 = NULL;
|
|
paned->handle = NULL;
|
|
paned->xor_gc = NULL;
|
|
|
|
paned->handle_size = 10;
|
|
paned->gutter_size = 6;
|
|
paned->position_set = FALSE;
|
|
paned->in_drag = FALSE;
|
|
|
|
paned->handle_xpos = -1;
|
|
paned->handle_ypos = -1;
|
|
}
|
|
|
|
|
|
static void
|
|
gtk_paned_destroy (GtkObject *object)
|
|
{
|
|
GtkPaned *paned;
|
|
|
|
g_return_if_fail (object != NULL);
|
|
g_return_if_fail (GTK_IS_PANED (object));
|
|
|
|
paned = GTK_PANED (object);
|
|
|
|
if (paned->child1)
|
|
{
|
|
paned->child1->parent = NULL;
|
|
gtk_object_unref (GTK_OBJECT (paned->child1));
|
|
gtk_widget_destroy (paned->child1);
|
|
}
|
|
if (paned->child2)
|
|
{
|
|
paned->child2->parent = NULL;
|
|
gtk_object_unref (GTK_OBJECT (paned->child2));
|
|
gtk_widget_destroy (paned->child2);
|
|
}
|
|
|
|
if (GTK_OBJECT_CLASS (parent_class)->destroy)
|
|
(* GTK_OBJECT_CLASS (parent_class)->destroy) (object);
|
|
}
|
|
|
|
static void
|
|
gtk_paned_realize (GtkWidget *widget)
|
|
{
|
|
GtkPaned *paned;
|
|
GdkWindowAttr attributes;
|
|
gint attributes_mask;
|
|
|
|
g_return_if_fail (widget != NULL);
|
|
g_return_if_fail (GTK_IS_PANED (widget));
|
|
|
|
GTK_WIDGET_SET_FLAGS (widget, GTK_REALIZED);
|
|
paned = GTK_PANED (widget);
|
|
|
|
attributes.x = paned->handle_xpos;
|
|
attributes.y = paned->handle_ypos;
|
|
attributes.width = paned->handle_size;
|
|
attributes.height = paned->handle_size;
|
|
attributes.wclass = GDK_INPUT_OUTPUT;
|
|
attributes.window_type = GDK_WINDOW_CHILD;
|
|
attributes.visual = gtk_widget_get_visual (widget);
|
|
attributes.colormap = gtk_widget_get_colormap (widget);
|
|
attributes.cursor = gdk_cursor_new(GDK_CROSS);
|
|
attributes.event_mask = gtk_widget_get_events (widget);
|
|
attributes.event_mask |= (GDK_EXPOSURE_MASK |
|
|
GDK_BUTTON_PRESS_MASK |
|
|
GDK_BUTTON_RELEASE_MASK |
|
|
GDK_POINTER_MOTION_MASK |
|
|
GDK_POINTER_MOTION_HINT_MASK);
|
|
|
|
attributes_mask = GDK_WA_X | GDK_WA_Y | GDK_WA_VISUAL | GDK_WA_COLORMAP |
|
|
GDK_WA_CURSOR;
|
|
|
|
paned->handle = gdk_window_new (widget->parent->window, &attributes, attributes_mask);
|
|
gdk_window_set_user_data (paned->handle, widget);
|
|
gdk_window_show (paned->handle);
|
|
gdk_window_raise (paned->handle);
|
|
|
|
widget->window = widget->parent->window;
|
|
widget->style = gtk_style_attach (widget->style, widget->window);
|
|
|
|
gtk_style_set_background (widget->style, paned->handle, GTK_STATE_NORMAL);
|
|
}
|
|
|
|
static void
|
|
gtk_paned_map (GtkWidget *widget)
|
|
{
|
|
GtkPaned *paned;
|
|
|
|
g_return_if_fail (widget != NULL);
|
|
g_return_if_fail (GTK_IS_PANED (widget));
|
|
|
|
GTK_WIDGET_SET_FLAGS (widget, GTK_MAPPED);
|
|
paned = GTK_PANED (widget);
|
|
|
|
gdk_window_show (paned->handle);
|
|
gtk_widget_queue_draw (widget);
|
|
|
|
if (paned->child1 &&
|
|
GTK_WIDGET_VISIBLE (paned->child1) &&
|
|
!GTK_WIDGET_MAPPED (paned->child1))
|
|
gtk_widget_map (paned->child1);
|
|
if (paned->child2 &&
|
|
GTK_WIDGET_VISIBLE (paned->child2) &&
|
|
!GTK_WIDGET_MAPPED (paned->child2))
|
|
gtk_widget_map (paned->child2);
|
|
}
|
|
|
|
static void
|
|
gtk_paned_unmap (GtkWidget *widget)
|
|
{
|
|
GtkPaned *paned;
|
|
|
|
g_return_if_fail (widget != NULL);
|
|
g_return_if_fail (GTK_IS_PANED (widget));
|
|
|
|
GTK_WIDGET_UNSET_FLAGS (widget, GTK_MAPPED);
|
|
paned = GTK_PANED (widget);
|
|
|
|
gdk_window_clear_area (widget->window,
|
|
widget->allocation.x,
|
|
widget->allocation.y,
|
|
widget->allocation.width,
|
|
widget->allocation.height);
|
|
gdk_window_hide (paned->handle);
|
|
|
|
if (paned->child1 &&
|
|
GTK_WIDGET_VISIBLE (paned->child1) &&
|
|
GTK_WIDGET_MAPPED (paned->child1))
|
|
gtk_widget_unmap (paned->child1);
|
|
if (paned->child2 &&
|
|
GTK_WIDGET_VISIBLE (paned->child2) &&
|
|
GTK_WIDGET_MAPPED (paned->child2))
|
|
gtk_widget_unmap (paned->child2);
|
|
}
|
|
|
|
static void
|
|
gtk_paned_unrealize (GtkWidget *widget)
|
|
{
|
|
GtkPaned *paned;
|
|
|
|
g_return_if_fail (widget != NULL);
|
|
g_return_if_fail (GTK_IS_PANED (widget));
|
|
|
|
GTK_WIDGET_UNSET_FLAGS (widget, GTK_REALIZED);
|
|
paned = GTK_PANED (widget);
|
|
|
|
gtk_style_detach (widget->style);
|
|
|
|
if (paned->xor_gc)
|
|
gdk_gc_destroy (paned->xor_gc);
|
|
if (paned->handle)
|
|
gdk_window_destroy (paned->handle);
|
|
|
|
paned->handle = NULL;
|
|
widget->window = NULL;
|
|
}
|
|
|
|
static gint
|
|
gtk_paned_expose (GtkWidget *widget,
|
|
GdkEventExpose *event)
|
|
{
|
|
GtkPaned *paned;
|
|
GdkEventExpose child_event;
|
|
|
|
g_return_val_if_fail (widget != NULL, FALSE);
|
|
g_return_val_if_fail (GTK_IS_PANED (widget), FALSE);
|
|
g_return_val_if_fail (event != NULL, FALSE);
|
|
|
|
if (GTK_WIDGET_DRAWABLE (widget))
|
|
{
|
|
paned = GTK_PANED (widget);
|
|
|
|
/* An expose event for the handle */
|
|
if (event->window == paned->handle)
|
|
{
|
|
gdk_window_set_background (paned->handle,
|
|
&widget->style->bg[widget->state]);
|
|
gdk_window_clear (paned->handle);
|
|
gtk_draw_shadow (widget->style, paned->handle,
|
|
GTK_WIDGET_STATE(widget),
|
|
GTK_SHADOW_OUT, 0, 0,
|
|
paned->handle_size, paned->handle_size);
|
|
}
|
|
else
|
|
{
|
|
child_event = *event;
|
|
if (paned->child1 &&
|
|
GTK_WIDGET_NO_WINDOW (paned->child1) &&
|
|
gtk_widget_intersect (paned->child1, &event->area, &child_event.area))
|
|
gtk_widget_event (paned->child1, (GdkEvent*) &child_event);
|
|
|
|
if (paned->child2 &&
|
|
GTK_WIDGET_NO_WINDOW (paned->child2) &&
|
|
gtk_widget_intersect (paned->child2, &event->area, &child_event.area))
|
|
gtk_widget_event (paned->child2, (GdkEvent*) &child_event);
|
|
|
|
/* redraw the groove if necessary */
|
|
child_event.area = paned->groove_rectangle;
|
|
if (gtk_widget_intersect (widget, &event->area, &child_event.area))
|
|
gtk_widget_draw (widget, &child_event.area);
|
|
}
|
|
}
|
|
return FALSE;
|
|
}
|
|
|
|
void
|
|
gtk_paned_add1 (GtkPaned *paned,
|
|
GtkWidget *widget)
|
|
{
|
|
g_return_if_fail (widget != NULL);
|
|
|
|
if (!paned->child1)
|
|
{
|
|
gtk_widget_set_parent (widget, GTK_WIDGET (paned));
|
|
|
|
if (GTK_WIDGET_VISIBLE (widget->parent))
|
|
{
|
|
if (GTK_WIDGET_REALIZED (widget->parent) &&
|
|
!GTK_WIDGET_REALIZED (widget))
|
|
gtk_widget_realize (widget);
|
|
|
|
if (GTK_WIDGET_MAPPED (widget->parent) &&
|
|
!GTK_WIDGET_MAPPED (widget))
|
|
gtk_widget_map (widget);
|
|
}
|
|
|
|
paned->child1 = widget;
|
|
|
|
if (GTK_WIDGET_VISIBLE (widget) && GTK_WIDGET_VISIBLE (paned))
|
|
gtk_widget_queue_resize (widget);
|
|
}
|
|
}
|
|
|
|
void
|
|
gtk_paned_add2 (GtkPaned *paned,
|
|
GtkWidget *widget)
|
|
{
|
|
g_return_if_fail (widget != NULL);
|
|
|
|
if (!paned->child2)
|
|
{
|
|
gtk_widget_set_parent (widget, GTK_WIDGET (paned));
|
|
|
|
if (GTK_WIDGET_VISIBLE (widget->parent))
|
|
{
|
|
if (GTK_WIDGET_REALIZED (widget->parent) &&
|
|
!GTK_WIDGET_REALIZED (widget))
|
|
gtk_widget_realize (widget);
|
|
|
|
if (GTK_WIDGET_MAPPED (widget->parent) &&
|
|
!GTK_WIDGET_MAPPED (widget))
|
|
gtk_widget_map (widget);
|
|
}
|
|
|
|
paned->child2 = widget;
|
|
|
|
if (GTK_WIDGET_VISIBLE (widget) && GTK_WIDGET_VISIBLE (paned))
|
|
gtk_widget_queue_resize (widget);
|
|
}
|
|
}
|
|
|
|
static void
|
|
gtk_paned_add (GtkContainer *container,
|
|
GtkWidget *widget)
|
|
{
|
|
GtkPaned *paned;
|
|
|
|
g_return_if_fail (container != NULL);
|
|
g_return_if_fail (GTK_IS_PANED (container));
|
|
g_return_if_fail (widget != NULL);
|
|
|
|
paned = GTK_PANED (container);
|
|
|
|
if (!paned->child1)
|
|
gtk_paned_add1 (GTK_PANED (container),widget);
|
|
else if (!paned->child2)
|
|
gtk_paned_add2 (GTK_PANED (container),widget);
|
|
}
|
|
|
|
static void
|
|
gtk_paned_remove (GtkContainer *container,
|
|
GtkWidget *widget)
|
|
{
|
|
GtkPaned *paned;
|
|
|
|
g_return_if_fail (container != NULL);
|
|
g_return_if_fail (GTK_IS_PANED (container));
|
|
g_return_if_fail (widget != NULL);
|
|
|
|
paned = GTK_PANED (container);
|
|
|
|
if (paned->child1 == widget)
|
|
{
|
|
gtk_widget_unparent (widget);
|
|
|
|
paned->child1 = NULL;
|
|
|
|
if (GTK_WIDGET_VISIBLE (widget) && GTK_WIDGET_VISIBLE (container))
|
|
gtk_widget_queue_resize (GTK_WIDGET (container));
|
|
}
|
|
else if (paned->child2 == widget)
|
|
{
|
|
gtk_widget_unparent (widget);
|
|
|
|
paned->child2 = NULL;
|
|
|
|
if (GTK_WIDGET_VISIBLE (widget) && GTK_WIDGET_VISIBLE (container))
|
|
gtk_widget_queue_resize (GTK_WIDGET (container));
|
|
}
|
|
}
|
|
|
|
static void
|
|
gtk_paned_foreach (GtkContainer *container,
|
|
GtkCallback callback,
|
|
gpointer callback_data)
|
|
{
|
|
GtkPaned *paned;
|
|
|
|
g_return_if_fail (container != NULL);
|
|
g_return_if_fail (GTK_IS_PANED (container));
|
|
g_return_if_fail (callback != NULL);
|
|
|
|
paned = GTK_PANED (container);
|
|
|
|
if (paned->child1)
|
|
(* callback) (paned->child1, callback_data);
|
|
if (paned->child2)
|
|
(* callback) (paned->child2, callback_data);
|
|
}
|
|
|
|
void
|
|
gtk_paned_handle_size (GtkPaned *paned, guint16 size)
|
|
{
|
|
gint x,y;
|
|
|
|
if (paned->handle)
|
|
{
|
|
gdk_window_get_geometry (paned->handle, &x, &y, NULL, NULL, NULL);
|
|
gdk_window_move_resize (paned->handle,
|
|
x + paned->handle_size / 2 - size / 2,
|
|
y + paned->handle_size / 2 - size / 2,
|
|
size, size);
|
|
}
|
|
|
|
paned->handle_size = size;
|
|
}
|
|
|
|
void
|
|
gtk_paned_gutter_size (GtkPaned *paned, guint16 size)
|
|
{
|
|
paned->gutter_size = size;
|
|
|
|
if (GTK_WIDGET_VISIBLE (GTK_WIDGET (paned)))
|
|
gtk_widget_queue_resize (GTK_WIDGET (paned));
|
|
}
|