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/* -*- Mode: C; tab-width: 8; indent-tabs-mode: t; c-basic-offset: 8 -*- */
#ifndef __GLADE_WIDGET_CLASS_H__
#define __GLADE_WIDGET_CLASS_H__
#include <glib-object.h>
#include <gmodule.h>
#include <gtk/gtkwidget.h>
#include "glade-types.h"
G_BEGIN_DECLS
#define GLADE_WIDGET_CLASS(gwc) ((GladeWidgetClass *) gwc)
#define GLADE_IS_WIDGET_CLASS(gwc) (gwc != NULL)
typedef struct _GladeSupportedChild GladeSupportedChild;
typedef void (* GladeChildSetPropertyFunc) (GObject *container,
GObject *child,
const gchar *property_name,
const GValue *value);
typedef void (* GladeChildGetPropertyFunc) (GObject *container,
GObject *child,
const gchar *property_name,
GValue *value);
typedef GList *(* GladeGetChildrenFunc) (GObject *container);
typedef void (* GladeAddChildFunc) (GObject *parent,
GObject *child);
typedef void (* GladeRemoveChildFunc) (GObject *parent,
GObject *child);
/* GladeWidgetClass contains all the information we need regarding an widget
* type. It is also used to store information that has been loaded to memory
* for that object like the icon/mask.
*/
struct _GladeWidgetClass
{
GType type; /* GType of the widget */
gchar *name; /* Name of the widget, for example GtkButton */
GdkPixbuf *icon; /* The GdkPixbuf icon for the widget */
gchar *generic_name; /* Use to generate names of new widgets, for
* example "button" so that we generate button1,
* button2, buttonX ..
*/
gchar *palette_name; /* Name used in the palette */
GList *properties; /* List of GladePropertyClass objects.
* [see glade-property.h ] this list contains
* properties about the widget that we are going
* to modify. Like "title", "label", "rows" .
* Each property creates an input in the propety
* editor.
*/
GList *signals; /* List of GladeWidgetClassSignal objects */
GList *children; /* List of GladeSupportedChild objects */
GList *child_packings; /* Private */
GModule *module; /* Module with the (optional) special functions
* needed for placeholder_replace, post_create_function
* and the set & get functions of the properties
* of this class.
*/
gboolean in_palette;
/* Executed after widget creation: it takes care of creating the
* GladeWidgets associated with internal children. It's also the place
* to set sane defaults, e.g. set the size of a window.
*/
void (*post_create_function) (GObject *gobject);
/* Retrieves the the internal child of the given name.
*/
void (*get_internal_child) (GObject *parent,
const gchar *name,
GObject **child);
/* Is property_class of ancestor applicable to the widget? Usually property_class only
* applies to direct children of a given ancestor */
gboolean (*child_property_applies) (GtkWidget *ancestor,
GtkWidget *widget,
const gchar *property_id);
};
struct _GladeSupportedChild
{
GType type; /* This supported child type */
GList *properties; /* List of GladePropertyClass objects representing
* child_properties of a container (the list is empty if
* this container has no child_properties)
* Note that the actual GladeProperty corresponding to
* each class end up in the packing_properties list of
* each _child_ of the container and thus are edited
* when the _child_ is selected.
*/
GladeAddChildFunc add; /* Adds a new child of this type */
GladeRemoveChildFunc remove; /* Removes a child from the container */
GladeGetChildrenFunc get_children; /* Returns a list of children for this
* type, not including internals
*/
GladeGetChildrenFunc get_all_children; /* Returns a list of children of this
* type, including internals
*/
GladeChildSetPropertyFunc set_property; /* Sets/Gets a packing property */
GladeChildGetPropertyFunc get_property; /* for this child */
void (* fill_empty) (GObject *container); /* Used for placeholders in
* GtkContainers */
void (* replace_child) (GObject *container, /* This method replaces a */
GObject *old, /* child widget with */
GObject *new); /* another one: it's used to
* replace a placeholder with
* a widget and viceversa.
*/
};
/* GladeWidgetClassSignal contains all the info we need for a given signal, such as
* the signal name, and maybe more in the future
*/
struct _GladeWidgetClassSignal
{
gchar *name; /* Name of the signal, eg clicked */
gchar *type; /* Name of the object class that this signal belongs to
* eg GtkButton */
};
/* Need to go through all properties in catalog file and compare
* against parent class.
*/
struct _GladePackagingDefault
{
gchar *id;
gchar *value;
};
GladeWidgetClass *glade_widget_class_new (GladeXmlNode *class_node,
const gchar *library);
void glade_widget_class_free (GladeWidgetClass *widget_class);
GladeWidgetClass *glade_widget_class_get_by_name (const char *name);
GladeWidgetClass *glade_widget_class_get_by_type (GType type);
GList *glade_widget_class_get_derived_types (GType type);
GType glade_widget_class_get_type (GladeWidgetClass *class);
void glade_widget_class_dump_param_specs (GladeWidgetClass *class);
GladePropertyClass *glade_widget_class_get_property_class (GladeWidgetClass *class,
const gchar *name);
GladeSupportedChild *glade_widget_class_get_child_support (GladeWidgetClass *class,
GType child_type);
void glade_widget_class_container_add (GladeWidgetClass *class,
GObject *container,
GObject *child);
void glade_widget_class_container_remove (GladeWidgetClass *class,
GObject *container,
GObject *child);
GList *glade_widget_class_container_get_children (GladeWidgetClass *class,
GObject *container);
GList *glade_widget_class_container_get_all_children (GladeWidgetClass *class,
GObject *container);
void glade_widget_class_container_set_property (GladeWidgetClass *class,
GObject *container,
GObject *child,
const gchar *property_name,
const GValue *value);
void glade_widget_class_container_get_property (GladeWidgetClass *class,
GObject *container,
GObject *child,
const gchar *property_name,
GValue *value);
void glade_widget_class_container_fill_empty (GladeWidgetClass *class,
GObject *container);
void glade_widget_class_container_replace_child (GladeWidgetClass *class,
GObject *container,
GObject *old,
GObject *new);
gboolean glade_widget_class_contains_non_widgets (GladeWidgetClass *class);
GladePackingDefault *glade_widget_class_get_packing_default (GladeWidgetClass *child_class,
GladeWidgetClass *container_class,
const gchar *propert_id);
G_END_DECLS
#endif /* __GLADE_WIDGET_CLASS_H__ */
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