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Diffstat (limited to 'libnautilus-private/nautilus-background.h')
| -rw-r--r-- | libnautilus-private/nautilus-background.h | 207 |
1 files changed, 0 insertions, 207 deletions
diff --git a/libnautilus-private/nautilus-background.h b/libnautilus-private/nautilus-background.h deleted file mode 100644 index 9d5fb70e8..000000000 --- a/libnautilus-private/nautilus-background.h +++ /dev/null @@ -1,207 +0,0 @@ -/* -*- Mode: C; indent-tabs-mode: t; c-basic-offset: 8; tab-width: 8 -*- - - nautilus-background.h: Object for the background of a widget. - - Copyright (C) 2000 Eazel, Inc. - - This program is free software; you can redistribute it and/or - modify it under the terms of the GNU General Public License as - published by the Free Software Foundation; either version 2 of the - License, or (at your option) any later version. - - This program 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 - General Public License for more details. - - You should have received a copy of the GNU General Public - License along with this program; if not, write to the - Free Software Foundation, Inc., 59 Temple Place - Suite 330, - Boston, MA 02111-1307, USA. - - Authors: Darin Adler <darin@eazel.com> -*/ - -#ifndef NAUTILUS_BACKGROUND_H -#define NAUTILUS_BACKGROUND_H - -/* Windows for Nautilus can contain backgrounds that are either tiled - with an image, a solid color, or a color gradient. This class manages - the process of loading the image if necessary and parsing the string - that specifies either a color or color gradient. - - The color or gradient is always present, even if there's a tiled image - on top of it. This is used when the tiled image can't be loaded for - some reason (or just has not been loaded yet). - - The NautilusBackground object is easier to modify than a GtkStyle. - You can just call nautilus_get_window_background and modify the - returned background directly, unlike a style, which must be copied, - modified and then set. -*/ - -#include <gdk/gdktypes.h> -#include <gtk/gtkwidget.h> - -#include <libgnomeui/gnome-canvas.h> -#include <gdk-pixbuf/gdk-pixbuf.h> - -typedef struct NautilusBackground NautilusBackground; -typedef struct NautilusBackgroundClass NautilusBackgroundClass; - -#define NAUTILUS_TYPE_BACKGROUND \ - (nautilus_background_get_type ()) -#define NAUTILUS_BACKGROUND(obj) \ - (GTK_CHECK_CAST ((obj), NAUTILUS_TYPE_BACKGROUND, NautilusBackground)) -#define NAUTILUS_BACKGROUND_CLASS(klass) \ - (GTK_CHECK_CLASS_CAST ((klass), NAUTILUS_TYPE_BACKGROUND, NautilusBackgroundClass)) -#define NAUTILUS_IS_BACKGROUND(obj) \ - (GTK_CHECK_TYPE ((obj), NAUTILUS_TYPE_BACKGROUND)) -#define NAUTILUS_IS_BACKGROUND_CLASS(klass) \ - (GTK_CHECK_CLASS_TYPE ((klass), NAUTILUS_TYPE_BACKGROUND)) - -typedef enum { - NAUTILUS_BACKGROUND_TILED = 0, /* zero makes this the default placement */ - NAUTILUS_BACKGROUND_CENTERED, - NAUTILUS_BACKGROUND_SCALED, - NAUTILUS_BACKGROUND_SCALED_ASPECT -} NautilusBackgroundImagePlacement; - -GtkType nautilus_background_get_type (void); -NautilusBackground * nautilus_background_new (void); - - -/* Calls to change a background. */ -void nautilus_background_set_color (NautilusBackground *background, - const char *color_or_gradient); -void nautilus_background_set_image_uri (NautilusBackground *background, - const char *image_uri); -void nautilus_background_reset (NautilusBackground *background); -void nautilus_background_set_image_placement (NautilusBackground *background, - NautilusBackgroundImagePlacement placement); -/* Calls to interrogate the current state of a background. */ -char * nautilus_background_get_color (NautilusBackground *background); -char * nautilus_background_get_image_uri (NautilusBackground *background); -NautilusBackgroundImagePlacement nautilus_background_get_image_placement (NautilusBackground *background); -gboolean nautilus_background_is_dark (NautilusBackground *background); -gboolean nautilus_background_is_set (NautilusBackground *background); -gboolean nautilus_background_is_loaded (NautilusBackground *background); - -/* For preping the background to be used in one of the two calls - * below. Only intended to be called by nautilus_background_canvas_group_update. - */ -void nautilus_background_pre_draw (NautilusBackground *background, - int entire_width, - int entire_height); -/* For updating the canvas, non-aa case. Note: nautilus_background_pre_draw - * must have been previously called. Only intended to be called by - * nautilus_background_canvas_group_draw. - */ -void nautilus_background_draw (NautilusBackground *background, - GdkDrawable *drawable, - GdkGC *gc, - int drawable_x, - int drawable_y, - int drawable_width, - int drawable_height); -/* For updating the canvas, aa case. Note: nautilus_background_pre_draw - * must have been previously called. Only intended to be called by - * nautilus_background_canvas_group_render. - */ -void nautilus_background_draw_aa (NautilusBackground *background, - GnomeCanvasBuf *buffer); -/* Used to fill a drawable with a background. - * - entire_width/height describe the total area the background covers - * - drawable_x/y/width/height describe the portion of that area the drawable covers - */ -void nautilus_background_draw_to_drawable (NautilusBackground *background, - GdkDrawable *drawable, - GdkGC *gc, - int drawable_x, - int drawable_y, - int drawable_width, - int drawable_height, - int entire_width, - int entire_height); - -/* Used to fill a drawable with a background. - * - entire_width/height describe the total area the background covers - * - buffer is a portion of that area - */ -void nautilus_background_draw_to_canvas (NautilusBackground *background, - GnomeCanvasBuf *buffer, - int entire_width, - int entire_height); -/* Used to fill a pixbuf with a background. - * - entire_width/height describe the total area the background covers - * - drawable_x/y/width/height describe the portion of that area the pixbuf covers - */ -void nautilus_background_draw_to_pixbuf (NautilusBackground *background, - GdkPixbuf *pixbuf, - int pixbuf_x, - int pixbuf_y, - int pixbuf_width, - int pixbuf_height, - int entire_width, - int entire_height); - -/* Handles a dragged color being dropped on a widget to change the background color. */ -void nautilus_background_receive_dropped_color (NautilusBackground *background, - GtkWidget *widget, - int drop_location_x, - int drop_location_y, - const GtkSelectionData *dropped_color); - -/* Handles a special-case image name that means "reset to default background" too. */ -void nautilus_background_receive_dropped_background_image (NautilusBackground *background, - const char *image_uri); - -/* Gets or creates a background so that it's attached to a widget. */ -NautilusBackground * nautilus_get_widget_background (GtkWidget *widget); - -/* Return whether a background has beed attatched to the given widget. */ -gboolean nautilus_widget_has_attached_background (GtkWidget *widget); - -/* Find the background ancestor for the widget. */ -GtkWidget * nautilus_gtk_widget_find_background_ancestor (GtkWidget *widget); - -/* Find out if a nautilus background is too complex for GtkStyle, so that we have to draw it ourselves */ -gboolean nautilus_background_is_too_complex_for_gtk_style (NautilusBackground *background); - - -typedef struct NautilusBackgroundDetails NautilusBackgroundDetails; - -struct NautilusBackground -{ - GtkObject object; - NautilusBackgroundDetails *details; -}; - -struct NautilusBackgroundClass -{ - GtkObjectClass parent_class; - - /* This signal is emitted whenever the background settings are - * changed. - */ - void (* settings_changed) (NautilusBackground *); - - /* This signal is emitted whenever the appearance of the - * background has changed, like when the background settings are - * altered or when an image is loaded. - */ - void (* appearance_changed) (NautilusBackground *); - - /* This signal is emitted when image loading is over - whether it - * was successfully loaded or not. - */ - void (* image_loading_done) (NautilusBackground *background, gboolean successful_load); - - /* This signal is emitted when the background is reset by receiving - the reset property from a drag - */ - void (* reset) (NautilusBackground *); - -}; - -#endif /* NAUTILUS_BACKGROUND_H */ |