/* $Id: gui_softkeyboard.c,v 1.1 2013/03/06 23:28:15 steffen Exp $ */
/***************************************************************************
 *            gui_softkeyboard.c
 *  
 *  Copyright (C) 2013  Steffen Pohle
 *  steffen@gulpe.de
 ***************************************************************************
 * softkeyboard: self written softkeyboard.
 ***************************************************************************/

/* 
 * 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"

GUISoftkeyboard *softkeyb = NULL;

void gui_softkeyb_show (int enable) {
	/* keys which are displayed.. */
	char line[GUI_SOFTKEYB_MODE_MAX][GUI_SOFTKEYB_X][GUI_SOFTKEYB_X] = {
		{ 	"qwertzuiop?",
			"asdfghjkl??",
			"yxcvbnm,.-_" },
		{ 	"QWERTZUIOP?",
			"ASDFGHIKL??",
			"YXCVBNM;:#+" },
		{ 	"0123456789=",
			"           ",
			"           " }};
	int i, j;

	/* disable software keyboard */
	if (cfg.softkeyboard == 0 || enable == 0) {
		if (softkeyb) softkeyb->enabled = FALSE;
		return;
	}

	/* check for allocation.. */
	if (softkeyb == NULL) {
		softkeyb = (GUISoftkeyboard*) ml_malloc (sizeof (GUISoftkeyboard));
		memset (softkeyb, 0x0, sizeof (GUISoftkeyboard));
	}

	/* reset data */
	for (i = 0; i < GUI_SOFTKEYB_MODE_MAX; i++) for (j = 0; j < 3; j++)
		strncpy (softkeyb->keys[i][j], line[i][j], GUI_SOFTKEYB_X);

	softkeyb->enabled = TRUE;
	softkeyb->mode = GUI_SOFTKEYB_MODE_NORM;
};


/* only preparing the screen image... copying to the screen will be done later... */
void gui_softkeyb_draw () {
	if (softkeyb == NULL || gfx_screensize.x < 0 || softkeyb->enabled == FALSE) return;
	if (softkeyb->screen == NULL || softkeyb->screen->width != gfx_screensize.x) {
		if (softkeyb->screen) gfx_img_free (softkeyb->screen);
		softkeyb->screen = gfx_img_alloc (gfx_screensize.x, gfx_screensize.y * 0.8);
	}
	
	gfx_clear (softkeyb->screen, &color[COLOR_white][1]);
};