nuclear@6: /*
nuclear@6: GoatKit - a themable/animated widget toolkit for games
nuclear@6: Copyright (C) 2014  John Tsiombikas <nuclear@member.fsf.org>
nuclear@6: 
nuclear@6: This program is free software: you can redistribute it and/or modify
nuclear@6: it under the terms of the GNU Lesser General Public License as published by
nuclear@6: the Free Software Foundation, either version 3 of the License, or
nuclear@6: (at your option) any later version.
nuclear@6: 
nuclear@6: This program is distributed in the hope that it will be useful,
nuclear@6: but WITHOUT ANY WARRANTY; without even the implied warranty of
nuclear@6: MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
nuclear@6: GNU Lesser General Public License for more details.
nuclear@6: 
nuclear@6: You should have received a copy of the GNU Lesser General Public License
nuclear@6: along with this program.  If not, see <http://www.gnu.org/licenses/>.
nuclear@6: */
nuclear@6: #ifndef GOATKIT_WIDGET_H_
nuclear@6: #define GOATKIT_WIDGET_H_
nuclear@6: 
nuclear@6: #include "vec.h"
nuclear@6: #include "event.h"
nuclear@6: 
nuclear@6: namespace goatkit {
nuclear@6: 
nuclear@6: struct BBox {
nuclear@6: 	Vec2 bmin, bmax;
nuclear@6: };
nuclear@6: 
nuclear@6: class Screen;
nuclear@6: class Widget;
nuclear@6: struct WidgetImpl;
nuclear@6: 
nuclear@6: typedef void (*EventCallback)(Widget*, const Event &ev, void *cls);
nuclear@6: 
nuclear@6: class Widget {
nuclear@6: protected:
nuclear@6: 	WidgetImpl *widget;
nuclear@6: 
nuclear@6: 	virtual void set_screen(Screen *scr);
nuclear@6: 	Screen *get_screen() const;
nuclear@6: 
nuclear@6: public:
nuclear@6: 	Widget();
nuclear@6: 	virtual ~Widget();
nuclear@6: 
nuclear@6: 	virtual const char *get_type_name() const;
nuclear@6: 
nuclear@6: 	virtual void set_name(const char *name);
nuclear@6: 	virtual const char *get_name() const;
nuclear@6: 
nuclear@6: 	virtual void set_text(const char *text);
nuclear@6: 	virtual const char *get_text() const;
nuclear@6: 
nuclear@6: 	virtual void show();
nuclear@6: 	virtual void hide();
nuclear@6: 	virtual float get_visibility() const;
nuclear@6: 	virtual bool is_visible() const;
nuclear@6: 
nuclear@6: 	virtual void activate();
nuclear@6: 	virtual void deactivate();
nuclear@6: 	virtual float get_active() const;
nuclear@6: 	virtual bool is_active() const;
nuclear@6: 
nuclear@6: 	virtual void press();
nuclear@6: 	virtual void release();
nuclear@6: 	virtual float get_pressed() const;
nuclear@6: 	virtual bool is_pressed() const;
nuclear@6: 
nuclear@6: 	virtual void mousein();
nuclear@6: 	virtual void mouseout();
nuclear@6: 	virtual float get_under_mouse() const;
nuclear@6: 	virtual bool is_under_mouse() const;
nuclear@6: 
nuclear@6: 	// input focus, managed by the screen
nuclear@6: 	virtual bool can_focus() const;
nuclear@6: 	virtual void focusin();
nuclear@6: 	virtual void focusout();
nuclear@6: 	virtual float get_focus() const;
nuclear@6: 	virtual bool is_focused() const;
nuclear@6: 
nuclear@6: 	virtual void set_position(float x, float y);
nuclear@6: 	virtual void set_position(const Vec2 &pos);
nuclear@6: 	virtual const Vec2 &get_position() const;
nuclear@6: 
nuclear@6: 	virtual void set_size(float x, float y);
nuclear@6: 	virtual void set_size(const Vec2 &size);
nuclear@6: 	virtual const Vec2 get_size() const;
nuclear@6: 
nuclear@6: 	virtual const BBox &get_box() const;
nuclear@6: 
nuclear@6: 	virtual bool hit_test(const Vec2 &pt) const;
nuclear@6: 
nuclear@6: 	virtual void draw() const;
nuclear@6: 
nuclear@6: 	// low level events
nuclear@6: 	virtual void on_mouse_button(const ButtonEvent &ev);
nuclear@6: 	virtual void on_mouse_motion(const MotionEvent &ev);
nuclear@6: 	virtual void on_mouse_focus(const FocusEvent &ev);
nuclear@6: 	virtual void on_key(const KeyEvent &ev);
nuclear@6: 
nuclear@6: 	// high level events
nuclear@6: 	virtual void on_click();
nuclear@6: 	virtual void on_double_click();
nuclear@6: 	virtual void on_change();
nuclear@6: 	//virtual void on_drag_move(int bn, const Vec2 &pt);
nuclear@6: 	//virtual void on_drag_release(int bn, const Vec2 &pt);
nuclear@6: 
nuclear@6: 	// event dispatcher
nuclear@6: 	virtual void handle_event(const Event &ev);
nuclear@6: 
nuclear@6: 	// external callback setting
nuclear@6: 	virtual void set_callback(EventType evtype, EventCallback func, void *cls = 0);
nuclear@6: 
nuclear@6: 	friend class Screen;
nuclear@6: };
nuclear@6: 
nuclear@6: }
nuclear@6: 
nuclear@6: #endif	// GOATKIT_WIDGET_H_