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Diffstat (limited to 'ganv/item.h')
| -rw-r--r-- | ganv/item.h | 184 |
1 files changed, 0 insertions, 184 deletions
diff --git a/ganv/item.h b/ganv/item.h deleted file mode 100644 index 4605ffb..0000000 --- a/ganv/item.h +++ /dev/null @@ -1,184 +0,0 @@ -/* This file is part of Ganv. - * Copyright 2007-2016 David Robillard <http://drobilla.net> - * - * Ganv 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 3 of the License, or any later version. - * - * Ganv 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 details. - * - * You should have received a copy of the GNU General Public License along - * with Ganv. If not, see <http://www.gnu.org/licenses/>. - */ - -/* Based on GnomeCanvas, by Federico Mena <federico@nuclecu.unam.mx> - * and Raph Levien <raph@gimp.org> - * Copyright 1997-2000 Free Software Foundation - */ - -#ifndef GANV_ITEM_H -#define GANV_ITEM_H - -#include <stdarg.h> - -#include <cairo.h> -#include <gtk/gtk.h> - -G_BEGIN_DECLS - -struct _GanvCanvas; - -typedef struct _GanvItem GanvItem; -typedef struct _GanvItemPrivate GanvItemPrivate; -typedef struct _GanvItemClass GanvItemClass; - -/* Object flags for items */ -enum { - GANV_ITEM_REALIZED = 1 << 1, - GANV_ITEM_MAPPED = 1 << 2, - GANV_ITEM_ALWAYS_REDRAW = 1 << 3, - GANV_ITEM_VISIBLE = 1 << 4, - GANV_ITEM_NEED_UPDATE = 1 << 5, - GANV_ITEM_NEED_VIS = 1 << 6 -}; - -#define GANV_TYPE_ITEM (ganv_item_get_type()) -#define GANV_ITEM(obj) (G_TYPE_CHECK_INSTANCE_CAST((obj), GANV_TYPE_ITEM, GanvItem)) -#define GANV_ITEM_CLASS(klass) (G_TYPE_CHECK_CLASS_CAST((klass), GANV_TYPE_ITEM, GanvItemClass)) -#define GANV_IS_ITEM(obj) (G_TYPE_CHECK_INSTANCE_TYPE((obj), GANV_TYPE_ITEM)) -#define GANV_IS_ITEM_CLASS(klass) (G_TYPE_CHECK_CLASS_TYPE((klass), GANV_TYPE_ITEM)) -#define GANV_ITEM_GET_CLASS(obj) (G_TYPE_INSTANCE_GET_CLASS((obj), GANV_TYPE_ITEM, GanvItemClass)) - -struct _GanvItem { - GtkObject object; - GanvItemPrivate* impl; -}; - -struct _GanvItemClass { - GtkObjectClass parent_class; - - /* Add a child to this item (optional). */ - void (*add)(GanvItem* item, GanvItem* child); - - /* Remove a child from this item (optional). */ - void (*remove)(GanvItem* item, GanvItem* child); - - /* Tell the item to update itself. - * - * The flags are from the update flags defined above. The item should - * update its internal state from its queued state, and recompute and - * request its repaint area. The update method also recomputes the - * bounding box of the item. - */ - void (*update)(GanvItem* item, int flags); - - /* Realize an item (create GCs, etc.). */ - void (*realize)(GanvItem* item); - - /* Unrealize an item. */ - void (*unrealize)(GanvItem* item); - - /* Map an item - normally only need by items with their own GdkWindows. */ - void (*map)(GanvItem* item); - - /* Unmap an item */ - void (*unmap)(GanvItem* item); - - /* Draw an item of this type. - * - * (cx, cy) and (width, height) describe the rectangle being drawn in - * world-relative coordinates. - */ - void (*draw)(GanvItem* item, - cairo_t* cr, - double cx, - double cy, - double cw, - double ch); - - /* Calculate the distance from an item to the specified point. - * - * It also returns a canvas item which is actual item the point is within, - * which may not be equal to @item if @item has children. - * (x, y) are item-relative coordinates. - */ - double (*point)(GanvItem* item, - double x, - double y, - GanvItem** actual_item); - - /* Fetch the item's bounding box (need not be exactly tight). - * - * This should be in item-relative coordinates. - */ - void (*bounds)(GanvItem* item, double* x1, double* y1, double* x2, double* y2); - - /* Signal: an event occurred for an item of this type. - * - * The (x, y) coordinates are in the canvas world coordinate system. - */ - gboolean (*event)(GanvItem* item, GdkEvent* event); - - /* Reserved for future expansion */ - gpointer spare_vmethods[4]; -}; - -GType ganv_item_get_type(void) G_GNUC_CONST; - -GanvItem* ganv_item_new(GanvItem* parent, GType type, - const gchar* first_arg_name, ...); - -void ganv_item_construct(GanvItem* item, GanvItem* parent, - const gchar* first_arg_name, va_list args); - -void ganv_item_set(GanvItem* item, const gchar* first_arg_name, ...); - -void ganv_item_set_valist(GanvItem* item, - const gchar* first_arg_name, va_list args); - -/** - * ganv_item_get_canvas: - * @item: The item. - * - * Return value: (transfer none): The canvas @item is on. - */ -struct _GanvCanvas* ganv_item_get_canvas(GanvItem* item); - -/** - * ganv_item_get_parent: - * @item: The item. - * - * Return value: (transfer none): The parent of @item. - */ -GanvItem* ganv_item_get_parent(GanvItem* item); - -void ganv_item_raise(GanvItem* item); - -void ganv_item_lower(GanvItem* item); - -void ganv_item_move(GanvItem* item, double dx, double dy); - -void ganv_item_show(GanvItem* item); - -void ganv_item_hide(GanvItem* item); - -void ganv_item_i2w(GanvItem* item, double* x, double* y); - -void ganv_item_w2i(GanvItem* item, double* x, double* y); - -void ganv_item_grab_focus(GanvItem* item); - -void ganv_item_get_bounds(GanvItem* item, - double* x1, double* y1, double* x2, double* y2); - -void ganv_item_request_update(GanvItem* item); - -void ganv_item_set_wrapper(GanvItem* item, void* wrapper); - -void* ganv_item_get_wrapper(GanvItem* item); - -G_END_DECLS - -#endif /* GANV_ITEM_H */ |