forked from AuroraMiddleware/gtk
356f1f59ae
It is permissable to remove a widget using gtk_container_remove from the gtk_container_foreach callback handler. Document this fact to make it more discoverable. Fixes #1461
308 lines
11 KiB
C
308 lines
11 KiB
C
/* GTK - The GIMP Toolkit
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* Copyright (C) 1995-1997 Peter Mattis, Spencer Kimball and Josh MacDonald
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*
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* This library is free software; you can redistribute it and/or
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* modify it under the terms of the GNU Lesser General Public
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* License as published by the Free Software Foundation; either
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* version 2 of the License, or (at your option) any later version.
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*
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* This library is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
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* Lesser General Public License for more details.
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*
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* You should have received a copy of the GNU Lesser General Public
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* License along with this library. If not, see <http://www.gnu.org/licenses/>.
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*/
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/*
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* Modified by the GTK+ Team and others 1997-2000. See the AUTHORS
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* file for a list of people on the GTK+ Team. See the ChangeLog
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* files for a list of changes. These files are distributed with
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* GTK+ at ftp://ftp.gtk.org/pub/gtk/.
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*/
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#ifndef __GTK_CONTAINER_H__
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#define __GTK_CONTAINER_H__
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#if !defined (__GTK_H_INSIDE__) && !defined (GTK_COMPILATION)
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#error "Only <gtk/gtk.h> can be included directly."
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#endif
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#include <gtk/gtkwidget.h>
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G_BEGIN_DECLS
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#define GTK_TYPE_CONTAINER (gtk_container_get_type ())
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#define GTK_CONTAINER(obj) (G_TYPE_CHECK_INSTANCE_CAST ((obj), GTK_TYPE_CONTAINER, GtkContainer))
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#define GTK_CONTAINER_CLASS(klass) (G_TYPE_CHECK_CLASS_CAST ((klass), GTK_TYPE_CONTAINER, GtkContainerClass))
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#define GTK_IS_CONTAINER(obj) (G_TYPE_CHECK_INSTANCE_TYPE ((obj), GTK_TYPE_CONTAINER))
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#define GTK_IS_CONTAINER_CLASS(klass) (G_TYPE_CHECK_CLASS_TYPE ((klass), GTK_TYPE_CONTAINER))
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#define GTK_CONTAINER_GET_CLASS(obj) (G_TYPE_INSTANCE_GET_CLASS ((obj), GTK_TYPE_CONTAINER, GtkContainerClass))
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typedef struct _GtkContainer GtkContainer;
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typedef struct _GtkContainerPrivate GtkContainerPrivate;
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typedef struct _GtkContainerClass GtkContainerClass;
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struct _GtkContainer
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{
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GtkWidget widget;
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/*< private >*/
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GtkContainerPrivate *priv;
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};
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/**
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* GtkContainerClass:
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* @parent_class: The parent class.
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* @add: Signal emitted when a widget is added to container.
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* @remove: Signal emitted when a widget is removed from container.
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* @check_resize: Signal emitted when a size recalculation is needed.
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* @forall: Invokes callback on each child of container. The callback handler
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* may remove the child.
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* @set_focus_child: Sets the focused child of container.
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* @child_type: Returns the type of the children supported by the container.
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* @composite_name: Gets a widget’s composite name. Deprecated: 3.10.
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* @set_child_property: Set a property on a child of container.
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* @get_child_property: Get a property from a child of container.
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* @get_path_for_child: Get path representing entire widget hierarchy
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* from the toplevel down to and including @child.
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*
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* Base class for containers.
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*/
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struct _GtkContainerClass
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{
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GtkWidgetClass parent_class;
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/*< public >*/
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void (*add) (GtkContainer *container,
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GtkWidget *widget);
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void (*remove) (GtkContainer *container,
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GtkWidget *widget);
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void (*check_resize) (GtkContainer *container);
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void (*forall) (GtkContainer *container,
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gboolean include_internals,
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GtkCallback callback,
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gpointer callback_data);
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void (*set_focus_child) (GtkContainer *container,
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GtkWidget *child);
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GType (*child_type) (GtkContainer *container);
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gchar* (*composite_name) (GtkContainer *container,
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GtkWidget *child);
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void (*set_child_property) (GtkContainer *container,
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GtkWidget *child,
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guint property_id,
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const GValue *value,
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GParamSpec *pspec);
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void (*get_child_property) (GtkContainer *container,
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GtkWidget *child,
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guint property_id,
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GValue *value,
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GParamSpec *pspec);
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GtkWidgetPath * (*get_path_for_child) (GtkContainer *container,
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GtkWidget *child);
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/*< private >*/
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unsigned int _handle_border_width : 1;
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/* Padding for future expansion */
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void (*_gtk_reserved1) (void);
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void (*_gtk_reserved2) (void);
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void (*_gtk_reserved3) (void);
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void (*_gtk_reserved4) (void);
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void (*_gtk_reserved5) (void);
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void (*_gtk_reserved6) (void);
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void (*_gtk_reserved7) (void);
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void (*_gtk_reserved8) (void);
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};
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/**
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* GtkResizeMode:
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* @GTK_RESIZE_PARENT: Pass resize request to the parent
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* @GTK_RESIZE_QUEUE: Queue resizes on this widget
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* @GTK_RESIZE_IMMEDIATE: Resize immediately. Deprecated.
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*/
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typedef enum
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{
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GTK_RESIZE_PARENT,
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GTK_RESIZE_QUEUE,
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GTK_RESIZE_IMMEDIATE
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} GtkResizeMode;
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/* Application-level methods */
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GDK_AVAILABLE_IN_ALL
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GType gtk_container_get_type (void) G_GNUC_CONST;
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GDK_AVAILABLE_IN_ALL
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void gtk_container_set_border_width (GtkContainer *container,
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guint border_width);
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GDK_AVAILABLE_IN_ALL
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guint gtk_container_get_border_width (GtkContainer *container);
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GDK_AVAILABLE_IN_ALL
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void gtk_container_add (GtkContainer *container,
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GtkWidget *widget);
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GDK_AVAILABLE_IN_ALL
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void gtk_container_remove (GtkContainer *container,
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GtkWidget *widget);
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GDK_DEPRECATED_IN_3_12
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void gtk_container_set_resize_mode (GtkContainer *container,
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GtkResizeMode resize_mode);
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GDK_DEPRECATED_IN_3_12
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GtkResizeMode gtk_container_get_resize_mode (GtkContainer *container);
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GDK_AVAILABLE_IN_ALL
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void gtk_container_check_resize (GtkContainer *container);
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GDK_AVAILABLE_IN_ALL
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void gtk_container_foreach (GtkContainer *container,
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GtkCallback callback,
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gpointer callback_data);
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GDK_AVAILABLE_IN_ALL
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GList* gtk_container_get_children (GtkContainer *container);
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GDK_AVAILABLE_IN_ALL
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void gtk_container_propagate_draw (GtkContainer *container,
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GtkWidget *child,
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cairo_t *cr);
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GDK_DEPRECATED_IN_3_24
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void gtk_container_set_focus_chain (GtkContainer *container,
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GList *focusable_widgets);
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GDK_DEPRECATED_IN_3_24
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gboolean gtk_container_get_focus_chain (GtkContainer *container,
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GList **focusable_widgets);
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GDK_DEPRECATED_IN_3_24
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void gtk_container_unset_focus_chain (GtkContainer *container);
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#define GTK_IS_RESIZE_CONTAINER(widget) (GTK_IS_CONTAINER (widget) && \
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(gtk_container_get_resize_mode (GTK_CONTAINER (widget)) != GTK_RESIZE_PARENT))
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/* Widget-level methods */
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GDK_DEPRECATED_IN_3_14
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void gtk_container_set_reallocate_redraws (GtkContainer *container,
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gboolean needs_redraws);
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GDK_AVAILABLE_IN_ALL
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void gtk_container_set_focus_child (GtkContainer *container,
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GtkWidget *child);
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GDK_AVAILABLE_IN_ALL
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GtkWidget *
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gtk_container_get_focus_child (GtkContainer *container);
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GDK_AVAILABLE_IN_ALL
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void gtk_container_set_focus_vadjustment (GtkContainer *container,
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GtkAdjustment *adjustment);
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GDK_AVAILABLE_IN_ALL
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GtkAdjustment *gtk_container_get_focus_vadjustment (GtkContainer *container);
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GDK_AVAILABLE_IN_ALL
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void gtk_container_set_focus_hadjustment (GtkContainer *container,
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GtkAdjustment *adjustment);
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GDK_AVAILABLE_IN_ALL
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GtkAdjustment *gtk_container_get_focus_hadjustment (GtkContainer *container);
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GDK_DEPRECATED_IN_3_10
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void gtk_container_resize_children (GtkContainer *container);
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GDK_AVAILABLE_IN_ALL
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GType gtk_container_child_type (GtkContainer *container);
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GDK_AVAILABLE_IN_ALL
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void gtk_container_class_install_child_property (GtkContainerClass *cclass,
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guint property_id,
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GParamSpec *pspec);
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GDK_AVAILABLE_IN_3_18
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void gtk_container_class_install_child_properties (GtkContainerClass *cclass,
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guint n_pspecs,
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GParamSpec **pspecs);
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GDK_AVAILABLE_IN_ALL
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GParamSpec* gtk_container_class_find_child_property (GObjectClass *cclass,
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const gchar *property_name);
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GDK_AVAILABLE_IN_ALL
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GParamSpec** gtk_container_class_list_child_properties (GObjectClass *cclass,
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guint *n_properties);
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GDK_AVAILABLE_IN_ALL
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void gtk_container_add_with_properties (GtkContainer *container,
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GtkWidget *widget,
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const gchar *first_prop_name,
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...) G_GNUC_NULL_TERMINATED;
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GDK_AVAILABLE_IN_ALL
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void gtk_container_child_set (GtkContainer *container,
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GtkWidget *child,
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const gchar *first_prop_name,
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...) G_GNUC_NULL_TERMINATED;
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GDK_AVAILABLE_IN_ALL
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void gtk_container_child_get (GtkContainer *container,
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GtkWidget *child,
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const gchar *first_prop_name,
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...) G_GNUC_NULL_TERMINATED;
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GDK_AVAILABLE_IN_ALL
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void gtk_container_child_set_valist (GtkContainer *container,
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GtkWidget *child,
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const gchar *first_property_name,
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va_list var_args);
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GDK_AVAILABLE_IN_ALL
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void gtk_container_child_get_valist (GtkContainer *container,
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GtkWidget *child,
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const gchar *first_property_name,
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va_list var_args);
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GDK_AVAILABLE_IN_ALL
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void gtk_container_child_set_property (GtkContainer *container,
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GtkWidget *child,
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const gchar *property_name,
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const GValue *value);
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GDK_AVAILABLE_IN_ALL
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void gtk_container_child_get_property (GtkContainer *container,
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GtkWidget *child,
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const gchar *property_name,
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GValue *value);
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GDK_AVAILABLE_IN_3_2
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void gtk_container_child_notify (GtkContainer *container,
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GtkWidget *child,
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const gchar *child_property);
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GDK_AVAILABLE_IN_3_18
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void gtk_container_child_notify_by_pspec (GtkContainer *container,
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GtkWidget *child,
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GParamSpec *pspec);
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/**
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* GTK_CONTAINER_WARN_INVALID_CHILD_PROPERTY_ID:
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* @object: the #GObject on which set_child_property() or get_child_property()
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* was called
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* @property_id: the numeric id of the property
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* @pspec: the #GParamSpec of the property
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*
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* This macro should be used to emit a standard warning about unexpected
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* properties in set_child_property() and get_child_property() implementations.
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*/
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#define GTK_CONTAINER_WARN_INVALID_CHILD_PROPERTY_ID(object, property_id, pspec) \
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G_OBJECT_WARN_INVALID_PSPEC ((object), "child property", (property_id), (pspec))
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GDK_AVAILABLE_IN_ALL
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void gtk_container_forall (GtkContainer *container,
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GtkCallback callback,
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gpointer callback_data);
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GDK_AVAILABLE_IN_ALL
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void gtk_container_class_handle_border_width (GtkContainerClass *klass);
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GDK_AVAILABLE_IN_ALL
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GtkWidgetPath * gtk_container_get_path_for_child (GtkContainer *container,
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GtkWidget *child);
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G_DEFINE_AUTOPTR_CLEANUP_FUNC(GtkContainer, g_object_unref)
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G_END_DECLS
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#endif /* __GTK_CONTAINER_H__ */
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