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spOSMroute/gui/gui_checkbox.c

95 lines
2.8 KiB

/* $Id: gui_checkbox.c,v 1.1 2013/03/10 23:32:28 steffen Exp $ */
/***************************************************************************
* gui_checkbox.c
*
* Copyright (C) 2013 Steffen Pohle
* steffen@gulpe.de
***************************************************************************
* checkbox gui element
***************************************************************************/
/*
* 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"
/****************************************************************************
* label
*/
void gui_checkbox_draw (GUIItem *item) {
GUICheckbox *checkbox = NULL;
struct line_style ls;
if (item) checkbox = (GUICheckbox*) item->data;
ls.c = color[COLOR_white][3];
ls.width = 1.0;
ls.borderc = ls.c;
draw_rectangle (currentwin->screen, item->x , item->y, item->x + 15, item->y + 15, ls);
if (checkbox->checked) {
gfx_draw_line (currentwin->screen, item->x , item->y, item->x + 15, item->y + 15, ls);
gfx_draw_line (currentwin->screen, item->x + 15 , item->y, item->x, item->y + 15, ls);
}
gfx_draw_text (currentwin->screen, item->x + 17, item->y, checkbox->text, &ls.c);
};
GUIItem *gui_checkbox_new (char *text, int initialvalue, int x, int y) {
GUIItem *item = (GUIItem*) ml_malloc (sizeof (GUICheckbox) + sizeof (GUIItem) + POINTERALIGNMENT);
GUICheckbox *checkbox = NULL;
if (item) checkbox = (GUICheckbox*) item->data;
if (text == NULL) checkbox->text[0] = 0;
else strncpy (checkbox->text, text, GUI_TEXTLEN);
item->x = x;
item->y = y;
item->w = x + 15;
item->y = y + 15;
checkbox->checked = initialvalue;
checkbox->callback_changed = NULL;
item->type = GUI_CHECKBOX;
return item;
};
int gui_checkbox_event (GUIItem *item, GUIEvent *event) {
GUICheckbox *checkbox = NULL;
if (item) checkbox = (GUICheckbox*) item->data;
if (item == NULL || item->type != GUI_CHECKBOX) {
d_printf ("GUIButton %p not type GUICheckbox", item);
errorexit (-1);
}
if (event->event == EGUI_MOUSEPRESSED) {
checkbox->checked = !checkbox->checked;
if (checkbox->callback_changed != NULL) {
gui_set_focus (NULL);
checkbox->callback_changed ();
}
currentwin->screen_changed = 1;
draw();
return 1;
}
return 0;
};