* 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
+ * modify it under the terms of the GNU Lesser 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.
+ * Lesser 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.
+ * You should have received a copy of the GNU Lesser General Public
+ * License along with this library; if not, write to the
+ * Free Software Foundation, Inc., 59 Temple Place - Suite 330,
+ * Boston, MA 02111-1307, USA.
*/
-#include "gtkpaned.h"
+/*
+ * Modified by the GTK+ Team and others 1997-2000. See the AUTHORS
+ * file for a list of people on the GTK+ Team. See the ChangeLog
+ * files for a list of changes. These files are distributed with
+ * GTK+ at ftp://ftp.gtk.org/pub/gtk/.
+ */
-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);
+#include "gtkintl.h"
+#include "gtkpaned.h"
+enum {
+ ARG_0,
+};
+
+static void gtk_paned_class_init (GtkPanedClass *klass);
+static void gtk_paned_init (GtkPaned *paned);
+static void gtk_paned_set_arg (GtkObject *object,
+ GtkArg *arg,
+ guint arg_id);
+static void gtk_paned_get_arg (GtkObject *object,
+ GtkArg *arg,
+ guint arg_id);
+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_forall (GtkContainer *container,
+ gboolean include_internals,
+ GtkCallback callback,
+ gpointer callback_data);
+static GtkType gtk_paned_child_type (GtkContainer *container);
static GtkContainerClass *parent_class = NULL;
-guint
-gtk_paned_get_type ()
+GtkType
+gtk_paned_get_type (void)
{
- static guint paned_type = 0;
-
+ static GtkType paned_type = 0;
+
if (!paned_type)
{
- GtkTypeInfo paned_info =
+ static const GtkTypeInfo paned_info =
{
"GtkPaned",
sizeof (GtkPaned),
sizeof (GtkPanedClass),
(GtkClassInitFunc) gtk_paned_class_init,
(GtkObjectInitFunc) gtk_paned_init,
- (GtkArgFunc) NULL,
+ /* reserved_1 */ NULL,
+ /* reserved_2 */ NULL,
+ (GtkClassInitFunc) NULL,
};
- paned_type = gtk_type_unique (gtk_container_get_type (), &paned_info);
+ paned_type = gtk_type_unique (GTK_TYPE_CONTAINER, &paned_info);
}
-
+
return paned_type;
}
GtkWidgetClass *widget_class;
GtkContainerClass *container_class;
- object_class = (GtkObjectClass*) class;
- widget_class = (GtkWidgetClass*) class;
- container_class = (GtkContainerClass*) class;
+ object_class = (GtkObjectClass *) class;
+ widget_class = (GtkWidgetClass *) class;
+ container_class = (GtkContainerClass *) class;
- parent_class = gtk_type_class (gtk_container_get_type ());
+ parent_class = gtk_type_class (GTK_TYPE_CONTAINER);
- object_class->destroy = gtk_paned_destroy;
+ object_class->set_arg = gtk_paned_set_arg;
+ object_class->get_arg = gtk_paned_get_arg;
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;
+ container_class->forall = gtk_paned_forall;
+ container_class->child_type = gtk_paned_child_type;
+
+ gtk_widget_class_install_style_property (widget_class,
+ g_param_spec_int ("handle_size",
+ _("Handle Size"),
+ _("Width of handle"),
+ 0,
+ G_MAXINT,
+ 5,
+ G_PARAM_READABLE));
+}
+
+static GtkType
+gtk_paned_child_type (GtkContainer *container)
+{
+ if (!GTK_PANED (container)->child1 || !GTK_PANED (container)->child2)
+ return GTK_TYPE_WIDGET;
+ else
+ return GTK_TYPE_NONE;
}
static void
gtk_paned_init (GtkPaned *paned)
{
- GTK_WIDGET_SET_FLAGS (paned, GTK_NO_WINDOW);
-
+ GTK_WIDGET_UNSET_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->cursor_type = GDK_CROSS;
+
+ paned->handle_width = 5;
+ paned->handle_height = 5;
paned->position_set = FALSE;
+ paned->last_allocation = -1;
paned->in_drag = FALSE;
-
+
paned->handle_xpos = -1;
paned->handle_ypos = -1;
}
-
static void
-gtk_paned_destroy (GtkObject *object)
+gtk_paned_set_arg (GtkObject *object,
+ GtkArg *arg,
+ guint arg_id)
{
- GtkPaned *paned;
-
- g_return_if_fail (object != NULL);
- g_return_if_fail (GTK_IS_PANED (object));
-
- paned = GTK_PANED (object);
-
- if (paned->child1)
+ switch (arg_id)
{
- paned->child1->parent = NULL;
- gtk_object_unref (GTK_OBJECT (paned->child1));
- gtk_widget_destroy (paned->child1);
+ default:
+ break;
}
- if (paned->child2)
+}
+
+static void
+gtk_paned_get_arg (GtkObject *object,
+ GtkArg *arg,
+ guint arg_id)
+{
+ switch (arg_id)
{
- paned->child2->parent = NULL;
- gtk_object_unref (GTK_OBJECT (paned->child2));
- gtk_widget_destroy (paned->child2);
+ default:
+ arg->type = GTK_TYPE_INVALID;
+ break;
}
-
- if (GTK_OBJECT_CLASS (parent_class)->destroy)
- (* GTK_OBJECT_CLASS (parent_class)->destroy) (object);
}
static void
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.x = widget->allocation.x;
+ attributes.y = widget->allocation.y;
+ attributes.width = widget->allocation.width;
+ attributes.height = widget->allocation.height;
attributes.window_type = GDK_WINDOW_CHILD;
+ attributes.wclass = GDK_INPUT_OUTPUT;
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 |
+ attributes.event_mask = gtk_widget_get_events (widget) | GDK_EXPOSURE_MASK;
+ attributes_mask = GDK_WA_X | GDK_WA_Y | GDK_WA_VISUAL | GDK_WA_COLORMAP;
+
+ widget->window = gdk_window_new (gtk_widget_get_parent_window(widget),
+ &attributes, attributes_mask);
+ gdk_window_set_user_data (widget->window, paned);
+
+ attributes.x = paned->handle_xpos;
+ attributes.y = paned->handle_ypos;
+ attributes.width = paned->handle_width;
+ attributes.height = paned->handle_height;
+ attributes.cursor = gdk_cursor_new (paned->cursor_type);
+ attributes.event_mask |= (GDK_BUTTON_PRESS_MASK |
GDK_BUTTON_RELEASE_MASK |
GDK_POINTER_MOTION_MASK |
GDK_POINTER_MOTION_HINT_MASK);
+ attributes_mask |= GDK_WA_CURSOR;
- 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);
+ paned->handle = gdk_window_new (widget->window,
+ &attributes, attributes_mask);
+ gdk_window_set_user_data (paned->handle, paned);
+ gdk_cursor_destroy (attributes.cursor);
- widget->window = widget->parent->window;
widget->style = gtk_style_attach (widget->style, widget->window);
+ gtk_style_set_background (widget->style, widget->window, GTK_STATE_NORMAL);
gtk_style_set_background (widget->style, paned->handle, GTK_STATE_NORMAL);
+
+ gdk_window_set_back_pixmap (widget->window, NULL, TRUE);
+
+ gdk_window_show (paned->handle);
}
static void
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_VISIBLE (paned->child2) &&
!GTK_WIDGET_MAPPED (paned->child2))
gtk_widget_map (paned->child2);
+
+ gdk_window_show (widget->window);
}
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);
+ gdk_window_hide (widget->window);
}
static void
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);
+ {
+ gdk_gc_destroy (paned->xor_gc);
+ paned->xor_gc = NULL;
+ }
+
if (paned->handle)
- gdk_window_destroy (paned->handle);
+ {
+ gdk_window_set_user_data (paned->handle, NULL);
+ gdk_window_destroy (paned->handle);
+ paned->handle = NULL;
+ }
- paned->handle = NULL;
- widget->window = NULL;
+ if (GTK_WIDGET_CLASS (parent_class)->unrealize)
+ (* GTK_WIDGET_CLASS (parent_class)->unrealize) (widget);
}
+
+
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);
{
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);
- }
+ if (event->window != paned->handle)
+ (* GTK_WIDGET_CLASS (parent_class)->expose_event) (widget, event);
}
+
return FALSE;
}
void
-gtk_paned_add1 (GtkPaned *paned,
- GtkWidget *widget)
+gtk_paned_add1 (GtkPaned *paned,
+ GtkWidget *widget)
{
- g_return_if_fail (widget != NULL);
+ gtk_paned_pack1 (paned, widget, FALSE, TRUE);
+}
+
+void
+gtk_paned_add2 (GtkPaned *paned,
+ GtkWidget *widget)
+{
+ gtk_paned_pack2 (paned, widget, TRUE, TRUE);
+}
+
+void
+gtk_paned_pack1 (GtkPaned *paned,
+ GtkWidget *child,
+ gboolean resize,
+ gboolean shrink)
+{
+ g_return_if_fail (paned != NULL);
+ g_return_if_fail (GTK_IS_PANED (paned));
+ g_return_if_fail (GTK_IS_WIDGET (child));
if (!paned->child1)
{
- gtk_widget_set_parent (widget, GTK_WIDGET (paned));
+ paned->child1 = child;
+ paned->child1_resize = resize;
+ paned->child1_shrink = shrink;
- 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);
- }
+ gtk_widget_set_parent (child, GTK_WIDGET (paned));
- paned->child1 = widget;
+ if (GTK_WIDGET_REALIZED (child->parent))
+ gtk_widget_realize (child);
- if (GTK_WIDGET_VISIBLE (widget) && GTK_WIDGET_VISIBLE (paned))
- gtk_widget_queue_resize (widget);
+ if (GTK_WIDGET_VISIBLE (child->parent) && GTK_WIDGET_VISIBLE (child))
+ {
+ if (GTK_WIDGET_MAPPED (child->parent))
+ gtk_widget_map (child);
+
+ gtk_widget_queue_resize (child);
+ }
}
}
void
-gtk_paned_add2 (GtkPaned *paned,
- GtkWidget *widget)
+gtk_paned_pack2 (GtkPaned *paned,
+ GtkWidget *child,
+ gboolean resize,
+ gboolean shrink)
{
- g_return_if_fail (widget != NULL);
+ g_return_if_fail (paned != NULL);
+ g_return_if_fail (GTK_IS_PANED (paned));
+ g_return_if_fail (GTK_IS_WIDGET (child));
if (!paned->child2)
{
- gtk_widget_set_parent (widget, GTK_WIDGET (paned));
+ paned->child2 = child;
+ paned->child2_resize = resize;
+ paned->child2_shrink = shrink;
- 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);
- }
+ gtk_widget_set_parent (child, GTK_WIDGET (paned));
- paned->child2 = widget;
+ if (GTK_WIDGET_REALIZED (child->parent))
+ gtk_widget_realize (child);
- if (GTK_WIDGET_VISIBLE (widget) && GTK_WIDGET_VISIBLE (paned))
- gtk_widget_queue_resize (widget);
+ if (GTK_WIDGET_VISIBLE (child->parent) && GTK_WIDGET_VISIBLE (child))
+ {
+ if (GTK_WIDGET_MAPPED (child->parent))
+ gtk_widget_map (child);
+
+ gtk_widget_queue_resize (child);
+ }
}
}
+
static void
gtk_paned_add (GtkContainer *container,
GtkWidget *widget)
paned = GTK_PANED (container);
if (!paned->child1)
- gtk_paned_add1 (GTK_PANED (container),widget);
+ gtk_paned_add1 (GTK_PANED (container), widget);
else if (!paned->child2)
- gtk_paned_add2 (GTK_PANED (container),widget);
+ gtk_paned_add2 (GTK_PANED (container), widget);
}
static void
GtkWidget *widget)
{
GtkPaned *paned;
+ gboolean was_visible;
g_return_if_fail (container != NULL);
g_return_if_fail (GTK_IS_PANED (container));
g_return_if_fail (widget != NULL);
paned = GTK_PANED (container);
+ was_visible = GTK_WIDGET_VISIBLE (widget);
if (paned->child1 == widget)
{
paned->child1 = NULL;
- if (GTK_WIDGET_VISIBLE (widget) && GTK_WIDGET_VISIBLE (container))
- gtk_widget_queue_resize (GTK_WIDGET (container));
+ if (was_visible && GTK_WIDGET_VISIBLE (container))
+ gtk_widget_queue_resize (GTK_WIDGET (container));
}
else if (paned->child2 == widget)
{
paned->child2 = NULL;
- if (GTK_WIDGET_VISIBLE (widget) && GTK_WIDGET_VISIBLE (container))
- gtk_widget_queue_resize (GTK_WIDGET (container));
+ if (was_visible && GTK_WIDGET_VISIBLE (container))
+ gtk_widget_queue_resize (GTK_WIDGET (container));
}
}
static void
-gtk_paned_foreach (GtkContainer *container,
- GtkCallback callback,
- gpointer callback_data)
+gtk_paned_forall (GtkContainer *container,
+ gboolean include_internals,
+ GtkCallback callback,
+ gpointer callback_data)
{
GtkPaned *paned;
paned = GTK_PANED (container);
if (paned->child1)
- (* callback) (paned->child1, callback_data);
+ (*callback) (paned->child1, callback_data);
if (paned->child2)
- (* callback) (paned->child2, callback_data);
+ (*callback) (paned->child2, callback_data);
}
+/**
+ * gtk_paned_get_position:
+ * @paned: a #GtkPaned widget
+ *
+ * Obtains the position of the divider between the two panes.
+ *
+ * Return value: position of the divider
+ **/
+gint
+gtk_paned_get_position (GtkPaned *paned)
+{
+ g_return_val_if_fail (paned != NULL, 0);
+ g_return_val_if_fail (GTK_IS_PANED (paned), 0);
+
+ return paned->child1_size;
+}
+
+/**
+ * gtk_paned_set_position:
+ * @paned: a #GtkPaned widget
+ * @position: pixel position of divider
+ *
+ * Sets the position of the divider between the two panes.
+ **/
void
-gtk_paned_handle_size (GtkPaned *paned, guint16 size)
+gtk_paned_set_position (GtkPaned *paned,
+ gint position)
{
- gint x,y;
+ g_return_if_fail (paned != NULL);
+ g_return_if_fail (GTK_IS_PANED (paned));
- if (paned->handle)
+ if (position >= 0)
{
- 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);
+ /* We don't clamp here - the assumption is that
+ * if the total allocation changes at the same time
+ * as the position, the position set is with reference
+ * to the new total size. If only the position changes,
+ * then clamping will occur in gtk_paned_compute_position()
+ */
+ paned->child1_size = position;
+ paned->position_set = TRUE;
}
-
- paned->handle_size = size;
+ else
+ {
+ paned->position_set = FALSE;
+ }
+
+ gtk_widget_queue_resize (GTK_WIDGET (paned));
}
void
-gtk_paned_gutter_size (GtkPaned *paned, guint16 size)
+gtk_paned_compute_position(GtkPaned *paned,
+ gint allocation,
+ gint child1_req,
+ gint child2_req)
{
- paned->gutter_size = size;
+ g_return_if_fail (paned != NULL);
+ g_return_if_fail (GTK_IS_PANED (paned));
+
+ paned->min_position = paned->child1_shrink ? 0 : child1_req;
+
+ paned->max_position = allocation;
+ if (!paned->child2_shrink)
+ paned->max_position = MAX (1, paned->max_position - child2_req);
+
+ if (!paned->position_set)
+ {
+ if (paned->child1_resize && !paned->child2_resize)
+ paned->child1_size = MAX (1, allocation - child2_req);
+ else if (!paned->child1_resize && paned->child2_resize)
+ paned->child1_size = child1_req;
+ else if (child1_req + child2_req != 0)
+ paned->child1_size = allocation * ((gdouble)child1_req / (child1_req + child2_req));
+ else
+ paned->child1_size = allocation * 0.5;
+ }
+ else
+ {
+ /* If the position was set before the initial allocation.
+ * (paned->last_allocation <= 0) just clamp it and leave it.
+ */
+ if (paned->last_allocation > 0)
+ {
+ if (paned->child1_resize && !paned->child2_resize)
+ paned->child1_size += allocation - paned->last_allocation;
+ else if (!(!paned->child1_resize && paned->child2_resize))
+ paned->child1_size = allocation * ((gdouble) paned->child1_size / (paned->last_allocation));
+ }
+ }
+
+ paned->child1_size = CLAMP (paned->child1_size,
+ paned->min_position,
+ paned->max_position);
- if (GTK_WIDGET_VISIBLE (GTK_WIDGET (paned)))
- gtk_widget_queue_resize (GTK_WIDGET (paned));
+ paned->last_allocation = allocation;
}
projects / ~andy / gtk / blobdiff