* 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.
*/
+
+/*
+ * 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/.
+ */
+
#include "gtkfixed.h"
+#include "gtkintl.h"
+enum {
+ CHILD_PROP_0,
+ CHILD_PROP_X,
+ CHILD_PROP_Y
+};
static void gtk_fixed_class_init (GtkFixedClass *klass);
static void gtk_fixed_init (GtkFixed *fixed);
-static void gtk_fixed_destroy (GtkObject *object);
-static void gtk_fixed_map (GtkWidget *widget);
-static void gtk_fixed_unmap (GtkWidget *widget);
static void gtk_fixed_realize (GtkWidget *widget);
-static void gtk_fixed_unrealize (GtkWidget *widget);
static void gtk_fixed_size_request (GtkWidget *widget,
GtkRequisition *requisition);
static void gtk_fixed_size_allocate (GtkWidget *widget,
GtkAllocation *allocation);
-static void gtk_fixed_paint (GtkWidget *widget,
- GdkRectangle *area);
-static void gtk_fixed_draw (GtkWidget *widget,
- GdkRectangle *area);
-static gint gtk_fixed_expose (GtkWidget *widget,
- GdkEventExpose *event);
static void gtk_fixed_add (GtkContainer *container,
GtkWidget *widget);
static void gtk_fixed_remove (GtkContainer *container,
GtkWidget *widget);
-static void gtk_fixed_foreach (GtkContainer *container,
- GtkCallback callback,
- gpointer callback_data);
-
+static void gtk_fixed_forall (GtkContainer *container,
+ gboolean include_internals,
+ GtkCallback callback,
+ gpointer callback_data);
+static GtkType gtk_fixed_child_type (GtkContainer *container);
+
+static void gtk_fixed_set_child_property (GtkContainer *container,
+ GtkWidget *child,
+ guint property_id,
+ const GValue *value,
+ GParamSpec *pspec);
+static void gtk_fixed_get_child_property (GtkContainer *container,
+ GtkWidget *child,
+ guint property_id,
+ GValue *value,
+ GParamSpec *pspec);
static GtkContainerClass *parent_class = NULL;
-guint
-gtk_fixed_get_type ()
+GtkType
+gtk_fixed_get_type (void)
{
- static guint fixed_type = 0;
+ static GtkType fixed_type = 0;
if (!fixed_type)
{
- GtkTypeInfo fixed_info =
+ static const GtkTypeInfo fixed_info =
{
"GtkFixed",
sizeof (GtkFixed),
sizeof (GtkFixedClass),
(GtkClassInitFunc) gtk_fixed_class_init,
(GtkObjectInitFunc) gtk_fixed_init,
- (GtkArgSetFunc) NULL,
- (GtkArgGetFunc) NULL,
+ /* reserved_1 */ NULL,
+ /* reserved_2 */ NULL,
+ (GtkClassInitFunc) NULL,
};
- fixed_type = gtk_type_unique (gtk_container_get_type (), &fixed_info);
+ fixed_type = gtk_type_unique (GTK_TYPE_CONTAINER, &fixed_info);
}
return fixed_type;
widget_class = (GtkWidgetClass*) class;
container_class = (GtkContainerClass*) class;
- parent_class = gtk_type_class (gtk_container_get_type ());
-
- object_class->destroy = gtk_fixed_destroy;
+ parent_class = gtk_type_class (GTK_TYPE_CONTAINER);
- widget_class->map = gtk_fixed_map;
- widget_class->unmap = gtk_fixed_unmap;
widget_class->realize = gtk_fixed_realize;
- widget_class->unrealize = gtk_fixed_unrealize;
widget_class->size_request = gtk_fixed_size_request;
widget_class->size_allocate = gtk_fixed_size_allocate;
- widget_class->draw = gtk_fixed_draw;
- widget_class->expose_event = gtk_fixed_expose;
container_class->add = gtk_fixed_add;
container_class->remove = gtk_fixed_remove;
- container_class->foreach = gtk_fixed_foreach;
+ container_class->forall = gtk_fixed_forall;
+ container_class->child_type = gtk_fixed_child_type;
+
+ container_class->set_child_property = gtk_fixed_set_child_property;
+ container_class->get_child_property = gtk_fixed_get_child_property;
+
+ gtk_container_class_install_child_property (container_class,
+ CHILD_PROP_X,
+ g_param_spec_int ("x",
+ _("X position"),
+ _("X position of child widget"),
+ G_MININT,
+ G_MAXINT,
+ 0,
+ G_PARAM_READWRITE));
+
+ gtk_container_class_install_child_property (container_class,
+ CHILD_PROP_Y,
+ g_param_spec_int ("y",
+ _("Y position"),
+ _("Y position of child widget"),
+ G_MININT,
+ G_MAXINT,
+ 0,
+ G_PARAM_READWRITE));
+}
+
+static GtkType
+gtk_fixed_child_type (GtkContainer *container)
+{
+ return GTK_TYPE_WIDGET;
}
static void
gtk_fixed_init (GtkFixed *fixed)
{
- GTK_WIDGET_UNSET_FLAGS (fixed, GTK_NO_WINDOW);
- GTK_WIDGET_SET_FLAGS (fixed, GTK_BASIC);
+ GTK_WIDGET_SET_FLAGS (fixed, GTK_NO_WINDOW);
fixed->children = NULL;
}
GtkWidget*
-gtk_fixed_new ()
+gtk_fixed_new (void)
{
GtkFixed *fixed;
- fixed = gtk_type_new (gtk_fixed_get_type ());
+ fixed = gtk_type_new (GTK_TYPE_FIXED);
return GTK_WIDGET (fixed);
}
+static GtkFixedChild*
+get_child (GtkFixed *fixed,
+ GtkWidget *widget)
+{
+ GList *children;
+
+ children = fixed->children;
+ while (children)
+ {
+ GtkFixedChild *child;
+
+ child = children->data;
+ children = children->next;
+
+ if (child->widget == widget)
+ return child;
+ }
+
+ return NULL;
+}
+
void
gtk_fixed_put (GtkFixed *fixed,
GtkWidget *widget,
- gint16 x,
- gint16 y)
+ gint x,
+ gint y)
{
GtkFixedChild *child_info;
- g_return_if_fail (fixed != NULL);
g_return_if_fail (GTK_IS_FIXED (fixed));
- g_return_if_fail (widget != NULL);
+ g_return_if_fail (GTK_IS_WIDGET (fixed));
child_info = g_new (GtkFixedChild, 1);
child_info->widget = widget;
gtk_widget_set_parent (widget, GTK_WIDGET (fixed));
- fixed->children = g_list_append (fixed->children, child_info);
-
- if (GTK_WIDGET_REALIZED (fixed) && !GTK_WIDGET_REALIZED (widget))
- gtk_widget_realize (widget);
-
- if (GTK_WIDGET_MAPPED (fixed) && !GTK_WIDGET_MAPPED (widget))
- gtk_widget_map (widget);
-
- if (GTK_WIDGET_VISIBLE (widget) && GTK_WIDGET_VISIBLE (fixed))
- gtk_widget_queue_resize (GTK_WIDGET (fixed));
+ fixed->children = g_list_append (fixed->children, child_info);
}
-void
-gtk_fixed_move (GtkFixed *fixed,
- GtkWidget *widget,
- gint16 x,
- gint16 y)
+static void
+gtk_fixed_move_internal (GtkFixed *fixed,
+ GtkWidget *widget,
+ gboolean change_x,
+ gint x,
+ gboolean change_y,
+ gint y)
{
GtkFixedChild *child;
- GList *children;
-
- g_return_if_fail (fixed != NULL);
+
g_return_if_fail (GTK_IS_FIXED (fixed));
- g_return_if_fail (widget != NULL);
-
- children = fixed->children;
- while (children)
- {
- child = children->data;
- children = children->next;
-
- if (child->widget == widget)
- {
- child->x = x;
- child->y = y;
+ g_return_if_fail (GTK_IS_WIDGET (widget));
+ g_return_if_fail (widget->parent == GTK_WIDGET (fixed));
+
+ child = get_child (fixed, widget);
- if (GTK_WIDGET_VISIBLE (widget) && GTK_WIDGET_VISIBLE (fixed))
- gtk_widget_queue_resize (GTK_WIDGET (fixed));
+ g_assert (child);
- break;
- }
+ gtk_widget_freeze_child_notify (widget);
+
+ if (change_x)
+ {
+ child->x = x;
+ gtk_widget_child_notify (widget, "x");
}
-}
-
-static void
-gtk_fixed_destroy (GtkObject *object)
-{
- GtkFixed *fixed;
- GtkFixedChild *child;
- GList *children;
-
- g_return_if_fail (object != NULL);
- g_return_if_fail (GTK_IS_FIXED (object));
- fixed = GTK_FIXED (object);
-
- children = fixed->children;
- while (children)
+ if (change_y)
{
- child = children->data;
- children = children->next;
-
- child->widget->parent = NULL;
- gtk_object_unref (GTK_OBJECT (child->widget));
- gtk_widget_destroy (child->widget);
- g_free (child);
+ child->y = y;
+ gtk_widget_child_notify (widget, "y");
}
- g_list_free (fixed->children);
+ gtk_widget_thaw_child_notify (widget);
+
+ if (GTK_WIDGET_VISIBLE (widget) && GTK_WIDGET_VISIBLE (fixed))
+ gtk_widget_queue_resize (GTK_WIDGET (fixed));
+}
- if (GTK_OBJECT_CLASS (parent_class)->destroy)
- (* GTK_OBJECT_CLASS (parent_class)->destroy) (object);
+void
+gtk_fixed_move (GtkFixed *fixed,
+ GtkWidget *widget,
+ gint x,
+ gint y)
+{
+ gtk_fixed_move_internal (fixed, widget, TRUE, x, TRUE, y);
}
static void
-gtk_fixed_map (GtkWidget *widget)
+gtk_fixed_set_child_property (GtkContainer *container,
+ GtkWidget *child,
+ guint property_id,
+ const GValue *value,
+ GParamSpec *pspec)
{
- GtkFixed *fixed;
- GtkFixedChild *child;
- GList *children;
-
- g_return_if_fail (widget != NULL);
- g_return_if_fail (GTK_IS_FIXED (widget));
-
- GTK_WIDGET_SET_FLAGS (widget, GTK_MAPPED);
- fixed = GTK_FIXED (widget);
-
- gdk_window_show (widget->window);
-
- children = fixed->children;
- while (children)
+ switch (property_id)
{
- child = children->data;
- children = children->next;
-
- if (GTK_WIDGET_VISIBLE (child->widget) &&
- !GTK_WIDGET_MAPPED (child->widget))
- gtk_widget_map (child->widget);
+ case CHILD_PROP_X:
+ gtk_fixed_move_internal (GTK_FIXED (container),
+ child,
+ TRUE, g_value_get_int (value),
+ FALSE, 0);
+ break;
+ case CHILD_PROP_Y:
+ gtk_fixed_move_internal (GTK_FIXED (container),
+ child,
+ FALSE, 0,
+ TRUE, g_value_get_int (value));
+ break;
+ default:
+ GTK_CONTAINER_WARN_INVALID_CHILD_PROPERTY_ID (container, property_id, pspec);
+ break;
}
}
static void
-gtk_fixed_unmap (GtkWidget *widget)
+gtk_fixed_get_child_property (GtkContainer *container,
+ GtkWidget *child,
+ guint property_id,
+ GValue *value,
+ GParamSpec *pspec)
{
- g_return_if_fail (widget != NULL);
- g_return_if_fail (GTK_IS_FIXED (widget));
+ GtkFixedChild *fixed_child;
- GTK_WIDGET_UNSET_FLAGS (widget, GTK_MAPPED);
+ fixed_child = get_child (GTK_FIXED (container), child);
+
+ switch (property_id)
+ {
+ case CHILD_PROP_X:
+ g_value_set_int (value, fixed_child->x);
+ break;
+ case CHILD_PROP_Y:
+ g_value_set_int (value, fixed_child->y);
+ break;
+ default:
+ GTK_CONTAINER_WARN_INVALID_CHILD_PROPERTY_ID (container, property_id, pspec);
+ break;
+ }
}
static void
GdkWindowAttr attributes;
gint attributes_mask;
- g_return_if_fail (widget != NULL);
- g_return_if_fail (GTK_IS_FIXED (widget));
-
- GTK_WIDGET_SET_FLAGS (widget, GTK_REALIZED);
-
- attributes.window_type = GDK_WINDOW_CHILD;
- attributes.x = widget->allocation.x;
- attributes.y = widget->allocation.y;
- attributes.width = widget->allocation.width;
- attributes.height = widget->allocation.height;
- attributes.wclass = GDK_INPUT_OUTPUT;
- attributes.visual = gtk_widget_get_visual (widget);
- attributes.colormap = gtk_widget_get_colormap (widget);
- attributes.event_mask = gtk_widget_get_events (widget);
- attributes.event_mask |= GDK_EXPOSURE_MASK | GDK_BUTTON_PRESS_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, widget);
-
- widget->style = gtk_style_attach (widget->style, widget->window);
- gtk_style_set_background (widget->style, widget->window, GTK_STATE_NORMAL);
-}
-
-static void
-gtk_fixed_unrealize (GtkWidget *widget)
-{
- g_return_if_fail (widget != NULL);
- g_return_if_fail (GTK_IS_FIXED (widget));
-
- GTK_WIDGET_UNSET_FLAGS (widget, GTK_REALIZED | GTK_MAPPED);
-
- gtk_style_detach (widget->style);
- gdk_window_destroy (widget->window);
- widget->window = NULL;
+ if (GTK_WIDGET_NO_WINDOW (widget))
+ GTK_WIDGET_CLASS (parent_class)->realize (widget);
+ else
+ {
+ GTK_WIDGET_SET_FLAGS (widget, GTK_REALIZED);
+
+ attributes.window_type = GDK_WINDOW_CHILD;
+ attributes.x = widget->allocation.x;
+ attributes.y = widget->allocation.y;
+ attributes.width = widget->allocation.width;
+ attributes.height = widget->allocation.height;
+ attributes.wclass = GDK_INPUT_OUTPUT;
+ attributes.visual = gtk_widget_get_visual (widget);
+ attributes.colormap = gtk_widget_get_colormap (widget);
+ attributes.event_mask = gtk_widget_get_events (widget);
+ attributes.event_mask |= GDK_EXPOSURE_MASK | GDK_BUTTON_PRESS_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, widget);
+
+ widget->style = gtk_style_attach (widget->style, widget->window);
+ gtk_style_set_background (widget->style, widget->window, GTK_STATE_NORMAL);
+ }
}
static void
GtkFixed *fixed;
GtkFixedChild *child;
GList *children;
-
- g_return_if_fail (widget != NULL);
- g_return_if_fail (GTK_IS_FIXED (widget));
- g_return_if_fail (requisition != NULL);
+ GtkRequisition child_requisition;
fixed = GTK_FIXED (widget);
requisition->width = 0;
if (GTK_WIDGET_VISIBLE (child->widget))
{
- gtk_widget_size_request (child->widget, &child->widget->requisition);
+ gtk_widget_size_request (child->widget, &child_requisition);
requisition->height = MAX (requisition->height,
child->y +
- child->widget->requisition.height);
+ child_requisition.height);
requisition->width = MAX (requisition->width,
child->x +
- child->widget->requisition.width);
+ child_requisition.width);
}
}
GtkFixed *fixed;
GtkFixedChild *child;
GtkAllocation child_allocation;
+ GtkRequisition child_requisition;
GList *children;
guint16 border_width;
- g_return_if_fail (widget != NULL);
- g_return_if_fail (GTK_IS_FIXED(widget));
- g_return_if_fail (allocation != NULL);
-
fixed = GTK_FIXED (widget);
widget->allocation = *allocation;
- if (GTK_WIDGET_REALIZED (widget))
- gdk_window_move_resize (widget->window,
- allocation->x,
- allocation->y,
- allocation->width,
- allocation->height);
+ if (!GTK_WIDGET_NO_WINDOW (widget))
+ {
+ if (GTK_WIDGET_REALIZED (widget))
+ gdk_window_move_resize (widget->window,
+ allocation->x,
+ allocation->y,
+ allocation->width,
+ allocation->height);
+ }
+
border_width = GTK_CONTAINER (fixed)->border_width;
children = fixed->children;
if (GTK_WIDGET_VISIBLE (child->widget))
{
+ gtk_widget_get_child_requisition (child->widget, &child_requisition);
child_allocation.x = child->x + border_width;
child_allocation.y = child->y + border_width;
- child_allocation.width = child->widget->requisition.width;
- child_allocation.height = child->widget->requisition.height;
- gtk_widget_size_allocate (child->widget, &child_allocation);
- }
- }
-}
-
-static void
-gtk_fixed_paint (GtkWidget *widget,
- GdkRectangle *area)
-{
- g_return_if_fail (widget != NULL);
- g_return_if_fail (GTK_IS_FIXED (widget));
- g_return_if_fail (area != NULL);
-
- if (GTK_WIDGET_DRAWABLE (widget))
- gdk_window_clear_area (widget->window,
- area->x, area->y,
- area->width, area->height);
-}
-static void
-gtk_fixed_draw (GtkWidget *widget,
- GdkRectangle *area)
-{
- GtkFixed *fixed;
- GtkFixedChild *child;
- GdkRectangle child_area;
- GList *children;
-
- g_return_if_fail (widget != NULL);
- g_return_if_fail (GTK_IS_FIXED (widget));
-
- if (GTK_WIDGET_DRAWABLE (widget))
- {
- fixed = GTK_FIXED (widget);
- gtk_fixed_paint (widget, area);
-
- children = fixed->children;
- while (children)
- {
- child = children->data;
- children = children->next;
-
- if (gtk_widget_intersect (child->widget, area, &child_area))
- gtk_widget_draw (child->widget, &child_area);
- }
- }
-}
-
-static gint
-gtk_fixed_expose (GtkWidget *widget,
- GdkEventExpose *event)
-{
- GtkFixed *fixed;
- GtkFixedChild *child;
- GdkEventExpose child_event;
- GList *children;
-
- g_return_val_if_fail (widget != NULL, FALSE);
- g_return_val_if_fail (GTK_IS_FIXED (widget), FALSE);
- g_return_val_if_fail (event != NULL, FALSE);
-
- if (GTK_WIDGET_DRAWABLE (widget))
- {
- fixed = GTK_FIXED (widget);
-
- child_event = *event;
-
- children = fixed->children;
- while (children)
- {
- child = children->data;
- children = children->next;
-
- if (GTK_WIDGET_NO_WINDOW (child->widget) &&
- gtk_widget_intersect (child->widget, &event->area,
- &child_event.area))
- gtk_widget_event (child->widget, (GdkEvent*) &child_event);
+ if (GTK_WIDGET_NO_WINDOW (widget))
+ {
+ child_allocation.x += widget->allocation.x;
+ child_allocation.y += widget->allocation.y;
+ }
+
+ child_allocation.width = child_requisition.width;
+ child_allocation.height = child_requisition.height;
+ gtk_widget_size_allocate (child->widget, &child_allocation);
}
}
-
- return FALSE;
}
static void
gtk_fixed_add (GtkContainer *container,
GtkWidget *widget)
{
- g_return_if_fail (container != NULL);
- g_return_if_fail (GTK_IS_FIXED (container));
- g_return_if_fail (widget != NULL);
-
gtk_fixed_put (GTK_FIXED (container), widget, 0, 0);
}
GtkFixedChild *child;
GList *children;
- g_return_if_fail (container != NULL);
- g_return_if_fail (GTK_IS_FIXED (container));
- g_return_if_fail (widget != NULL);
-
fixed = GTK_FIXED (container);
children = fixed->children;
if (child->widget == widget)
{
+ gboolean was_visible = GTK_WIDGET_VISIBLE (widget);
+
gtk_widget_unparent (widget);
fixed->children = g_list_remove_link (fixed->children, children);
g_list_free (children);
g_free (child);
- if (GTK_WIDGET_VISIBLE (widget) && GTK_WIDGET_VISIBLE (container))
+ if (was_visible && GTK_WIDGET_VISIBLE (container))
gtk_widget_queue_resize (GTK_WIDGET (container));
break;
}
static void
-gtk_fixed_foreach (GtkContainer *container,
- GtkCallback callback,
- gpointer callback_data)
+gtk_fixed_forall (GtkContainer *container,
+ gboolean include_internals,
+ GtkCallback callback,
+ gpointer callback_data)
{
GtkFixed *fixed;
GtkFixedChild *child;
GList *children;
- g_return_if_fail (container != NULL);
- g_return_if_fail (GTK_IS_FIXED (container));
g_return_if_fail (callback != NULL);
fixed = GTK_FIXED (container);
(* callback) (child->widget, callback_data);
}
}
+
+/**
+ * gtk_fixed_set_has_window:
+ * @fixed: a #GtkFixed
+ * @has_window: %TRUE if a separate window should be created
+ *
+ * Sets whether a #GtkFixed widget is created with a separate
+ * #GdkWindow for widget->window or not. (By default, it will be
+ * created with no separate #GdkWindow). This function must be called
+ * while the #GtkFixed is not realized, for instance, immediately after the
+ * window is created.
+ **/
+void
+gtk_fixed_set_has_window (GtkFixed *fixed,
+ gboolean has_window)
+{
+ g_return_if_fail (GTK_IS_FIXED (fixed));
+ g_return_if_fail (!GTK_WIDGET_REALIZED (fixed));
+
+ if (!has_window != GTK_WIDGET_NO_WINDOW (fixed))
+ {
+ if (has_window)
+ GTK_WIDGET_UNSET_FLAGS (fixed, GTK_NO_WINDOW);
+ else
+ GTK_WIDGET_SET_FLAGS (fixed, GTK_NO_WINDOW);
+ }
+}
+
+/**
+ * gtk_fixed_get_has_window:
+ * @fixed: a #GtkWidget
+ *
+ * Gets whether the #GtkFixed has it's own #GdkWindow.
+ * See gdk_fixed_set_has_window().
+ *
+ * Return value: %TRUE if @fixed has its own window.
+ **/
+gboolean
+gtk_fixed_get_has_window (GtkFixed *fixed)
+{
+ g_return_val_if_fail (GTK_IS_FIXED (fixed), FALSE);
+
+ return !GTK_WIDGET_NO_WINDOW (fixed);
+}