* Copyright Owen Taylor 4/9/97
*
* 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
+ * 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
+ * Modified by the GTK+ Team and others 1997-2001. 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 <config.h>
#include "gtkaspectframe.h"
+#include "gtkprivate.h"
+#include "gtkintl.h"
+#include "gtkalias.h"
enum {
- ARG_0,
- ARG_XALIGN,
- ARG_YALIGN,
- ARG_RATIO,
- ARG_OBEY_CHILD
+ PROP_0,
+ PROP_XALIGN,
+ PROP_YALIGN,
+ PROP_RATIO,
+ PROP_OBEY_CHILD
};
-static void gtk_aspect_frame_class_init (GtkAspectFrameClass *klass);
-static void gtk_aspect_frame_init (GtkAspectFrame *aspect_frame);
-static void gtk_aspect_frame_set_arg (GtkObject *object,
- GtkArg *arg,
- guint arg_id);
-static void gtk_aspect_frame_get_arg (GtkObject *object,
- GtkArg *arg,
- guint arg_id);
+static void gtk_aspect_frame_set_property (GObject *object,
+ guint prop_id,
+ const GValue *value,
+ GParamSpec *pspec);
+static void gtk_aspect_frame_get_property (GObject *object,
+ guint prop_id,
+ GValue *value,
+ GParamSpec *pspec);
static void gtk_aspect_frame_compute_child_allocation (GtkFrame *frame,
GtkAllocation *child_allocation);
#define MAX_RATIO 10000.0
#define MIN_RATIO 0.0001
-static GtkFrameClass *parent_class = NULL;
-
-GtkType
-gtk_aspect_frame_get_type (void)
-{
- static GtkType aspect_frame_type = 0;
-
- if (!aspect_frame_type)
- {
- static const GtkTypeInfo aspect_frame_info =
- {
- "GtkAspectFrame",
- sizeof (GtkAspectFrame),
- sizeof (GtkAspectFrameClass),
- (GtkClassInitFunc) gtk_aspect_frame_class_init,
- (GtkObjectInitFunc) gtk_aspect_frame_init,
- /* reserved_1 */ NULL,
- /* reserved_2 */ NULL,
- (GtkClassInitFunc) NULL,
- };
-
- aspect_frame_type = gtk_type_unique (GTK_TYPE_FRAME, &aspect_frame_info);
- }
-
- return aspect_frame_type;
-}
+G_DEFINE_TYPE (GtkAspectFrame, gtk_aspect_frame, GTK_TYPE_FRAME)
static void
gtk_aspect_frame_class_init (GtkAspectFrameClass *class)
{
- GtkObjectClass *object_class;
+ GObjectClass *gobject_class;
GtkFrameClass *frame_class;
- parent_class = gtk_type_class (GTK_TYPE_FRAME);
-
- object_class = GTK_OBJECT_CLASS (class);
- frame_class = GTK_FRAME_CLASS (class);
+ gobject_class = (GObjectClass*) class;
+ frame_class = (GtkFrameClass*) class;
- object_class->set_arg = gtk_aspect_frame_set_arg;
- object_class->get_arg = gtk_aspect_frame_get_arg;
+ gobject_class->set_property = gtk_aspect_frame_set_property;
+ gobject_class->get_property = gtk_aspect_frame_get_property;
frame_class->compute_child_allocation = gtk_aspect_frame_compute_child_allocation;
- gtk_object_add_arg_type ("GtkAspectFrame::xalign", GTK_TYPE_FLOAT,
- GTK_ARG_READWRITE, ARG_XALIGN);
- gtk_object_add_arg_type ("GtkAspectFrame::yalign", GTK_TYPE_FLOAT,
- GTK_ARG_READWRITE, ARG_YALIGN);
- gtk_object_add_arg_type ("GtkAspectFrame::ratio", GTK_TYPE_FLOAT,
- GTK_ARG_READWRITE, ARG_RATIO);
- gtk_object_add_arg_type ("GtkAspectFrame::obey_child", GTK_TYPE_BOOL,
- GTK_ARG_READWRITE, ARG_OBEY_CHILD);
+ g_object_class_install_property (gobject_class,
+ PROP_XALIGN,
+ g_param_spec_float ("xalign",
+ P_("Horizontal Alignment"),
+ P_("X alignment of the child"),
+ 0.0, 1.0, 0.5,
+ GTK_PARAM_READWRITE));
+ g_object_class_install_property (gobject_class,
+ PROP_YALIGN,
+ g_param_spec_float ("yalign",
+ P_("Vertical Alignment"),
+ P_("Y alignment of the child"),
+ 0.0, 1.0, 0.5,
+ GTK_PARAM_READWRITE));
+ g_object_class_install_property (gobject_class,
+ PROP_RATIO,
+ g_param_spec_float ("ratio",
+ P_("Ratio"),
+ P_("Aspect ratio if obey_child is FALSE"),
+ MIN_RATIO, MAX_RATIO, 0.5,
+ GTK_PARAM_READWRITE));
+ g_object_class_install_property (gobject_class,
+ PROP_OBEY_CHILD,
+ g_param_spec_boolean ("obey-child",
+ P_("Obey child"),
+ P_("Force aspect ratio to match that of the frame's child"),
+ TRUE,
+ GTK_PARAM_READWRITE));
}
static void
}
static void
-gtk_aspect_frame_set_arg (GtkObject *object,
- GtkArg *arg,
- guint arg_id)
+gtk_aspect_frame_set_property (GObject *object,
+ guint prop_id,
+ const GValue *value,
+ GParamSpec *pspec)
{
GtkAspectFrame *aspect_frame = GTK_ASPECT_FRAME (object);
- switch (arg_id)
+ switch (prop_id)
{
- case ARG_XALIGN:
+ /* g_object_notify is handled by the _frame_set function */
+ case PROP_XALIGN:
gtk_aspect_frame_set (aspect_frame,
- GTK_VALUE_FLOAT (*arg),
+ g_value_get_float (value),
aspect_frame->yalign,
aspect_frame->ratio,
aspect_frame->obey_child);
break;
- case ARG_YALIGN:
+ case PROP_YALIGN:
gtk_aspect_frame_set (aspect_frame,
aspect_frame->xalign,
- GTK_VALUE_FLOAT (*arg),
+ g_value_get_float (value),
aspect_frame->ratio,
aspect_frame->obey_child);
break;
- case ARG_RATIO:
+ case PROP_RATIO:
gtk_aspect_frame_set (aspect_frame,
aspect_frame->xalign,
aspect_frame->yalign,
- GTK_VALUE_FLOAT (*arg),
+ g_value_get_float (value),
aspect_frame->obey_child);
break;
- case ARG_OBEY_CHILD:
+ case PROP_OBEY_CHILD:
gtk_aspect_frame_set (aspect_frame,
aspect_frame->xalign,
aspect_frame->yalign,
aspect_frame->ratio,
- GTK_VALUE_BOOL (*arg));
+ g_value_get_boolean (value));
+ break;
+ default:
+ G_OBJECT_WARN_INVALID_PROPERTY_ID (object, prop_id, pspec);
break;
}
}
static void
-gtk_aspect_frame_get_arg (GtkObject *object,
- GtkArg *arg,
- guint arg_id)
+gtk_aspect_frame_get_property (GObject *object,
+ guint prop_id,
+ GValue *value,
+ GParamSpec *pspec)
{
GtkAspectFrame *aspect_frame = GTK_ASPECT_FRAME (object);
- switch (arg_id)
+ switch (prop_id)
{
- case ARG_XALIGN:
- GTK_VALUE_FLOAT (*arg) = aspect_frame->xalign;
+ case PROP_XALIGN:
+ g_value_set_float (value, aspect_frame->xalign);
break;
- case ARG_YALIGN:
- GTK_VALUE_FLOAT (*arg) = aspect_frame->yalign;
+ case PROP_YALIGN:
+ g_value_set_float (value, aspect_frame->yalign);
break;
- case ARG_RATIO:
- GTK_VALUE_FLOAT (*arg) = aspect_frame->ratio;
+ case PROP_RATIO:
+ g_value_set_float (value, aspect_frame->ratio);
break;
- case ARG_OBEY_CHILD:
- GTK_VALUE_BOOL (*arg) = aspect_frame->obey_child;
+ case PROP_OBEY_CHILD:
+ g_value_set_boolean (value, aspect_frame->obey_child);
break;
default:
- arg->type = GTK_TYPE_INVALID;
+ G_OBJECT_WARN_INVALID_PROPERTY_ID (object, prop_id, pspec);
break;
}
}
{
GtkAspectFrame *aspect_frame;
- aspect_frame = gtk_type_new (gtk_aspect_frame_get_type ());
+ aspect_frame = g_object_new (GTK_TYPE_ASPECT_FRAME, NULL);
aspect_frame->xalign = CLAMP (xalign, 0.0, 1.0);
aspect_frame->yalign = CLAMP (yalign, 0.0, 1.0);
gfloat ratio,
gboolean obey_child)
{
- g_return_if_fail (aspect_frame != NULL);
g_return_if_fail (GTK_IS_ASPECT_FRAME (aspect_frame));
xalign = CLAMP (xalign, 0.0, 1.0);
ratio = CLAMP (ratio, MIN_RATIO, MAX_RATIO);
obey_child = obey_child != FALSE;
- if ((aspect_frame->xalign != xalign) ||
- (aspect_frame->yalign != yalign) ||
- (aspect_frame->ratio != ratio) ||
- (aspect_frame->obey_child != obey_child))
+ if ( (aspect_frame->xalign != xalign)
+ || (aspect_frame->yalign != yalign)
+ || (aspect_frame->ratio != ratio)
+ || (aspect_frame->obey_child != obey_child))
{
- GtkWidget *widget = GTK_WIDGET(aspect_frame);
-
- aspect_frame->xalign = xalign;
- aspect_frame->yalign = yalign;
- aspect_frame->ratio = ratio;
- aspect_frame->obey_child = obey_child;
-
- gtk_widget_queue_resize (widget);
+ g_object_freeze_notify (G_OBJECT (aspect_frame));
+
+ if (aspect_frame->xalign != xalign)
+ {
+ aspect_frame->xalign = xalign;
+ g_object_notify (G_OBJECT (aspect_frame), "xalign");
+ }
+ if (aspect_frame->yalign != yalign)
+ {
+ aspect_frame->yalign = yalign;
+ g_object_notify (G_OBJECT (aspect_frame), "yalign");
+ }
+ if (aspect_frame->ratio != ratio)
+ {
+ aspect_frame->ratio = ratio;
+ g_object_notify (G_OBJECT (aspect_frame), "ratio");
+ }
+ if (aspect_frame->obey_child != obey_child)
+ {
+ aspect_frame->obey_child = obey_child;
+ g_object_notify (G_OBJECT (aspect_frame), "obey-child");
+ }
+ g_object_thaw_notify (G_OBJECT (aspect_frame));
+
+ gtk_widget_queue_resize (GTK_WIDGET (aspect_frame));
}
}
else
ratio = aspect_frame->ratio;
- parent_class->compute_child_allocation (frame, &full_allocation);
+ GTK_FRAME_CLASS (gtk_aspect_frame_parent_class)->compute_child_allocation (frame, &full_allocation);
if (ratio * full_allocation.height > full_allocation.width)
{
child_allocation->y = full_allocation.y + aspect_frame->yalign * (full_allocation.height - child_allocation->height);
}
else
- parent_class->compute_child_allocation (frame, child_allocation);
+ GTK_FRAME_CLASS (gtk_aspect_frame_parent_class)->compute_child_allocation (frame, child_allocation);
}
+
+#define __GTK_ASPECT_FRAME_C__
+#include "gtkaliasdef.c"