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Diffstat (limited to 'ganv/Item.hpp')
-rw-r--r-- | ganv/Item.hpp | 90 |
1 files changed, 90 insertions, 0 deletions
diff --git a/ganv/Item.hpp b/ganv/Item.hpp new file mode 100644 index 0000000..680b991 --- /dev/null +++ b/ganv/Item.hpp @@ -0,0 +1,90 @@ +/* This file is part of Ganv. + * Copyright 2007-2015 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/>. + */ + +#ifndef GANV_ITEM_HPP +#define GANV_ITEM_HPP + +#include <assert.h> + +#include <glib.h> + +#include <sigc++/signal.h> +#include <sigc++/trackable.h> + +#include "ganv/Canvas.hpp" +#include "ganv/item.h" +#include "ganv/wrap.hpp" + +GANV_GLIB_WRAP(Item) + +namespace Ganv { + +class Canvas; + +/** An item on the canvas. + */ +class Item : public sigc::trackable { +public: + Item(GanvItem* gobj) + : _gobj(gobj) + { + ganv_item_set_wrapper(gobj, this); + if (gobj && ganv_item_get_parent(gobj)) { + g_signal_connect( + G_OBJECT(_gobj), "event", G_CALLBACK(on_item_event), this); + } + } + + virtual ~Item() { + gtk_object_destroy(GTK_OBJECT(_gobj)); + } + + RW_PROPERTY(double, x) + RW_PROPERTY(double, y) + + METHOD0(ganv_item, raise); + METHOD0(ganv_item, lower); + METHOD2(ganv_item, move, double, dx, double, dy); + METHOD0(ganv_item, show); + METHOD0(ganv_item, hide); + METHOD2(ganv_item, i2w, double*, x, double*, y); + METHOD2(ganv_item, w2i, double*, x, double*, y); + METHOD0(ganv_item, grab_focus); + + Canvas* canvas() const { + return Glib::wrap(ganv_item_get_canvas(_gobj)); + } + + GanvItem* gobj() const { return _gobj; } + + SIGNAL1(event, GdkEvent*) + SIGNAL1(click, GdkEventButton*) + +protected: + GanvItem* const _gobj; + +private: + static gboolean + on_item_event(GanvItem* canvasitem, + GdkEvent* ev, + void* item) + { + return ((Item*)item)->signal_event().emit(ev); + } +}; + +} // namespace Ganv + +#endif // GANV_ITEM_HPP |