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/* -*- Mode: C; indent-tabs-mode: t; c-basic-offset: 8; tab-width: 8 -*- */
/* nautilus-smooth-widget.h - Functions and types shared by smooth widgets.
Copyright (C) 2000 Eazel, Inc.
The Gnome Library is free software; you can redistribute it and/or
modify it under the terms of the GNU Library General Public License as
published by the Free Software Foundation; either version 2 of the
License, or (at your option) any later version.
The Gnome 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.
You should have received a copy of the GNU Library General Public
License along with the Gnome Library; see the file COPYING.LIB. If not,
write to the Free Software Foundation, Inc., 59 Temple Place - Suite 330,
Boston, MA 02111-1307, USA.
Authors: Ramiro Estrugo <ramiro@eazel.com>
*/
#ifndef NAUTILUS_SMOOTH_WIDGET_H
#define NAUTILUS_SMOOTH_WIDGET_H
#include <libgnome/gnome-defs.h>
#include <gtk/gtkwidget.h>
#include <libnautilus-extensions/nautilus-art-extensions.h>
#include <libnautilus-extensions/nautilus-gdk-pixbuf-extensions.h>
BEGIN_GNOME_DECLS
/* See nautilus_smooth_widget_get_tile_bounds() */
#define NAUTILUS_SMOOTH_TILE_EXTENT_FULL -1
#define NAUTILUS_SMOOTH_TILE_EXTENT_ONE_STEP -2
/* See nautilus_smooth_widget_paint() */
typedef enum
{
NAUTILUS_SMOOTH_BACKGROUND_GTK,
NAUTILUS_SMOOTH_BACKGROUND_CALLBACK,
NAUTILUS_SMOOTH_BACKGROUND_SOLID_COLOR
} NautilusSmoothBackgroundMode;
/* See nautilus_smooth_widget_paint() */
typedef enum
{
NAUTILUS_SMOOTH_TILE_SELF,
NAUTILUS_SMOOTH_TILE_ANCESTOR
} NautilusSmoothTileMode;
/* Prototypes for shared methods. We declare these here so that
* the signatures in the smooth widget's class struture dont
* get out of whack.
*/
typedef void (* NautilusSmoothWidgetDrawBackground) (GtkWidget *widget,
GdkPixbuf *buffer,
const ArtIRect *area);
typedef void (* NautilusSmoothWidgetSetIsSmooth) (GtkWidget *widget,
gboolean is_smooth);
/* Callback for nautilus_smooth_widget_paint() used to render the
* smooth widget's content when not in smooth mode.
*/
typedef void (* NautilusSmoothPaintOpaqueCallback) (GtkWidget *widget,
GdkDrawable *destination_drawable,
GdkGC *gc,
int source_x,
int source_y,
const ArtIRect *area,
gpointer callback_data);
/* Callback for nautilus_smooth_widget_paint() used to composite the
* smooth widget's content when in smooth mode.
*/
typedef void (* NautilusSmoothCompositeCallback) (GtkWidget *widget,
GdkPixbuf *destination_pixbuf,
int source_x,
int source_y,
const ArtIRect *area,
int opacity,
gpointer callback_data);
void nautilus_smooth_widget_register (GtkWidget *widget);
void nautilus_smooth_widget_paint (GtkWidget *widget,
GdkGC *gc,
gboolean is_smooth,
NautilusSmoothBackgroundMode background_mode,
guint32 solid_background_color,
const GdkPixbuf *tile_pixbuf,
const ArtIRect *tile_bounds,
int tile_opacity,
NautilusSmoothTileMode tile_mode_vertical,
NautilusSmoothTileMode tile_mode_horizontal,
const ArtIRect *content_bounds,
int content_opacity,
const ArtIRect *dirty_area,
NautilusSmoothPaintOpaqueCallback paint_callback,
NautilusSmoothCompositeCallback composite_callback,
gpointer callback_data);
ArtIRect nautilus_smooth_widget_get_tile_bounds (const GtkWidget *widget,
const GdkPixbuf *tile_pixbuf,
int tile_width,
int tile_height);
ArtIRect nautilus_smooth_widget_get_preferred_frame (const GtkWidget *widget,
const ArtIRect *content_frame,
const ArtIRect *tile_frame,
int tile_width,
int tile_height);
END_GNOME_DECLS
#endif /* NAUTILUS_SMOOTH_WIDGET_H */
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