You can not select more than 25 topics
Topics must start with a letter or number, can include dashes ('-') and can be up to 35 characters long.
129 lines
3.8 KiB
129 lines
3.8 KiB
/* $Id: gui_list.c,v 1.9 2013/03/24 00:38:50 steffen Exp $ */
|
|
/***************************************************************************
|
|
* gui_list.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"
|
|
|
|
|
|
/****************************************************************************
|
|
* list
|
|
*/
|
|
void gui_list_draw (GUIItem *item) {
|
|
struct line_style ls;
|
|
int max, i, x, y, j;
|
|
GUIList *list = NULL;
|
|
|
|
if (item == NULL) return;
|
|
else list = (GUIList *) item->data;
|
|
|
|
ls.width = 1.0;
|
|
if (currentwin->focus == item)
|
|
ls.c = ls.borderc = color[COLOR_white][3];
|
|
else
|
|
ls.c = ls.borderc = color[COLOR_white][2];
|
|
gfx_draw_line (currentwin->screen, item->x, item->y, item->x+item->w, item->y, ls);
|
|
gfx_draw_line (currentwin->screen, item->x+item->w, item->y, item->x+item->w, item->y+item->h, ls);
|
|
gfx_draw_line (currentwin->screen, item->x+item->w, item->y+item->h, item->x, item->y+item->h, ls);
|
|
gfx_draw_line (currentwin->screen, item->x, item->y+item->h, item->x, item->y, ls);
|
|
|
|
/* find last max */
|
|
max = 0;
|
|
for (max = 0; list->data[max] != NULL; max++);
|
|
|
|
/* range to display */
|
|
i = max - item->h/16;
|
|
if (i < list->vs) list->vs = i;
|
|
if (list->vs < 0) list->vs = 0;
|
|
|
|
for (i = list->vs; i < (list->vs + item->h/16) && i < max; i++) {
|
|
if (i == list->selected) gfx_draw_text (currentwin->screen, item->x + 5, item->y + 5 + 16 * (i - list->vs), list->data[i], &color[COLOR_red][2]);
|
|
else gfx_draw_text (currentwin->screen, item->x + 5, item->y + 5 + 16 * (i - list->vs), list->data[i], &color[COLOR_white][3]);
|
|
}
|
|
|
|
ls.c = ls.borderc = color[COLOR_white][3];
|
|
for (i = -1; i < 2; i += 2) {
|
|
if (i < 0) y = item->y + item->h;
|
|
else y = item->y;
|
|
x = item->x + item->w;
|
|
for (j = 0; j <= 5; j++) {
|
|
gfx_draw_line (currentwin->screen, x - 5, y, x-j, y + i*5, ls);
|
|
gfx_draw_line (currentwin->screen, x - 5 -j, y+ i*5, x-5, y, ls);
|
|
}
|
|
}
|
|
};
|
|
|
|
|
|
/*
|
|
* event handling
|
|
*/
|
|
int gui_list_event (GUIItem *item, GUIEvent *event) {
|
|
int x = event->mousepos.x - item->x;
|
|
int y = event->mousepos.y - item->y;
|
|
int i;
|
|
GUIList *list = NULL;
|
|
static GUIItem *olditem = NULL;
|
|
|
|
if (item == NULL) return 0;
|
|
else list = (GUIList *) item->data;
|
|
|
|
/* set focus */
|
|
if (event->event == EGUI_MOUSEPRESSED) {
|
|
olditem = item;
|
|
}
|
|
else if (event->event == EGUI_MOUSERELEASED && olditem == item) {
|
|
gui_set_focus (item);
|
|
|
|
if (y <= 5 && x >= item->w - 10) list->vs--;
|
|
else if (y >= item->h - 5 && x >= item->w - 10) list->vs++;
|
|
else { /* select entry */
|
|
i = (y-5)/16 + list->vs;
|
|
list->selected = i;
|
|
if (list->callback_selectitem) list->callback_selectitem (i);
|
|
}
|
|
}
|
|
currentwin->screen_changed = 1;
|
|
draw ();
|
|
|
|
return 1;
|
|
};
|
|
|
|
|
|
GUIItem *gui_list_new (int x, int y, int w, int h) {
|
|
GUIItem *item = (GUIItem *) ml_malloc (sizeof (GUIList) + sizeof (GUIItem) + POINTERALIGNMENT);
|
|
GUIList *list = (GUIList *) item->data;
|
|
|
|
item->type = GUI_LIST;
|
|
item->x = x;
|
|
item->y = y;
|
|
item->w = w;
|
|
item->h = h;
|
|
list->selected = -1;
|
|
list->vs = 0;
|
|
list->callback_selectitem = NULL;
|
|
return item;
|
|
};
|