/****************************************************************************
 * Copyright (C) 2015 Dimok
 *
 * 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 3 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, see <http://www.gnu.org/licenses/>.
 ****************************************************************************/
#ifndef GUI_BUTTON_H_
#define GUI_BUTTON_H_

#include "GuiElement.h"
#include "GuiText.h"
#include "GuiController.h"
#include "GuiImage.h"
#include "GuiSound.h"
#include "GuiTrigger.h"

//!Display, manage, and manipulate buttons in the GUI. Buttons can have images, icons, text, and sound set (all of which are optional)
class GuiButton : public GuiElement
{
	public:
		//!Constructor
		//!\param w Width
		//!\param h Height
		GuiButton(f32 w, f32 h);
		//!Destructor
		virtual ~GuiButton();
		//!Sets the button's image
		//!\param i Pointer to GuiImage object
		void setImage(GuiImage* i);
		//!Sets the button's image on over
		//!\param i Pointer to GuiImage object
		void setImageOver(GuiImage* i);

		void setIcon(GuiImage* i);
		void setIconOver(GuiImage* i);
		//!Sets the button's image on hold
		//!\param i Pointer to GuiImage object
		void setImageHold(GuiImage* i);
		//!Sets the button's image on click
		//!\param i Pointer to GuiImage object
		void setImageClick(GuiImage* i);
		//!Sets the button's label
		//!\param t Pointer to GuiText object
		//!\param n Index of label to set (optional, default is 0)
		void setLabel(GuiText* t, int n = 0);
		//!Sets the button's label on over (eg: different colored text)
		//!\param t Pointer to GuiText object
		//!\param n Index of label to set (optional, default is 0)
		void setLabelOver(GuiText* t, int n = 0);
		//!Sets the button's label on hold
		//!\param t Pointer to GuiText object
		//!\param n Index of label to set (optional, default is 0)
		void setLabelHold(GuiText* t, int n = 0);
		//!Sets the button's label on click
		//!\param t Pointer to GuiText object
		//!\param n Index of label to set (optional, default is 0)
		void setLabelClick(GuiText* t, int n = 0);
		//!Sets the sound to play on over
		//!\param s Pointer to GuiSound object
		void setSoundOver(GuiSound * s);
		//!Sets the sound to play on hold
		//!\param s Pointer to GuiSound object
		void setSoundHold(GuiSound * s);
		//!Sets the sound to play on click
		//!\param s Pointer to GuiSound object
		void setSoundClick(GuiSound * s);
		//!Set a new GuiTrigger for the element
		//!\param i Index of trigger array to set
		//!\param t Pointer to GuiTrigger
		void setTrigger(GuiTrigger * t, int idx = -1);
		//!
		void resetState(void);
		//!Constantly called to draw the GuiButton
		void draw(CVideo *video);
		//!Constantly called to allow the GuiButton to respond to updated input data
		//!\param t Pointer to a GuiTrigger, containing the current input data from PAD/WPAD
		void update(GuiController * c);

		sigslot::signal2<GuiButton *, const GuiController *> selected;
		sigslot::signal2<GuiButton *, const GuiController *> deSelected;
		sigslot::signal2<GuiButton *, const GuiController *> pointedOn;
		sigslot::signal2<GuiButton *, const GuiController *> pointedOff;
		sigslot::signal3<GuiButton *, const GuiController *, GuiTrigger *> clicked;
		sigslot::signal3<GuiButton *, const GuiController *, GuiTrigger *> held;
		sigslot::signal3<GuiButton *, const GuiController *, GuiTrigger *> released;
	protected:
        static const int iMaxGuiTriggers = 7;

		GuiImage * image; //!< Button image (default)
		GuiImage * imageOver; //!< Button image for STATE_SELECTED
		GuiImage * imageHold; //!< Button image for STATE_HELD
		GuiImage * imageClick; //!< Button image for STATE_CLICKED
		GuiImage * icon;
		GuiImage * iconOver;
		GuiText * label[4]; //!< Label(s) to display (default)
		GuiText * labelOver[4]; //!< Label(s) to display for STATE_SELECTED
		GuiText * labelHold[4]; //!< Label(s) to display for STATE_HELD
		GuiText * labelClick[4]; //!< Label(s) to display for STATE_CLICKED
		GuiSound * soundOver; //!< Sound to play for STATE_SELECTED
		GuiSound * soundHold; //!< Sound to play for STATE_HELD
		GuiSound * soundClick; //!< Sound to play for STATE_CLICKED
		GuiTrigger * trigger[iMaxGuiTriggers]; //!< GuiTriggers (input actions) that this element responds to
		GuiTrigger * clickedTrigger;
		GuiTrigger * heldTrigger;
};

#endif