/* $Id: gui_button.c,v 1.3 2013/02/24 00:39:59 steffen Exp $ */
/***************************************************************************
 *            gui_button.c
 *  
 *  Copyright (C) 2013  Steffen Pohle
 *  steffen@gulpe.de
 ***************************************************************************
 * basic windows functions
 ***************************************************************************/

/* 
 * 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.
 * 
 * main.c 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/>.
 */


#include "osmroute.h"
#include "draw.h"
#include "gui.h"
#include "system.h"

/****************************************************************************
 * button
 */
void gui_button_draw (GUIButton *button) {
	struct line_style ls;

	ls.width = 1.0;
	ls.c = ls.borderc = color[COLOR_white][3];

	draw_polygonstart ();
	draw_polygonadd (button->x, button->y);
	draw_polygonadd (button->x, button->y + button->h);
	draw_polygonadd (button->x + button->w, button->y + button->h);
	draw_polygonadd (button->x + button->w, button->y);
	draw_polygonfinish (currentwin->screen, ls, *button->col, 1);
	gfx_draw_text (currentwin->screen, button->x + 2, button->y + 2, button->caption, button->textcol);
};


GUIButton *gui_button_new (char *caption, int x, int y, int w, int h) {
	GUIButton *item = (GUIButton*) ml_malloc (sizeof (GUIButton));

	if (caption == NULL) item->caption[0] = 0;
	else strncpy (item->caption, caption, GUI_TEXTLEN);
	item->x = x;
	item->y = y;
	item->w = w;
	item->h = h;
	item->col = &color[COLOR_white][1];
	item->textcol = &color[COLOR_white][3];
	item->callback_clicked = NULL;
	item->callback_draw = NULL;

	return item;
};


void gui_button_event (GUIButton *button, GUIEvent event) {
	if (button->callback_clicked != NULL && event.event == EGUI_MOUSEPRESSED) {
		button->callback_clicked (event.mousepos.x-button->x, event.mousepos.y-button->y);
    }
};