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99 lines
3.3 KiB
99 lines
3.3 KiB
/* $Id: gui_list.c,v 1.2 2013/02/18 00:06:44 steffen Exp $ */
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/***************************************************************************
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* gui_list.c
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*
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* Copyright (C) 2013 Steffen Pohle
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* steffen@gulpe.de
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***************************************************************************
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* basic windows functions
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***************************************************************************/
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/*
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* This program is free software; you can redistribute it and/or modify it
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* under the terms of the GNU General Public License as published by the
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* Free Software Foundation, either version 3 of the License, or
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* (at your option) any later version.
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*
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* main.c is distributed in the hope that it will be useful, but
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* WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.
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* See the GNU General Public License for more details.
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*
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* You should have received a copy of the GNU General Public License along
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* with this program. If not, see <http://www.gnu.org/licenses/>.
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*/
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#include "osmroute.h"
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#include "draw.h"
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#include "gui.h"
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#include "system.h"
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/****************************************************************************
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* list
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*/
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void gui_list_draw (GUIList *list) {
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struct line_style ls;
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int max, i, x, y, j;
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ls.width = 1.0;
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if (currentwin->focus != NULL && currentwin->focus->item == (void *) list)
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ls.c = ls.borderc = color[COLOR_white][3];
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else
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ls.c = ls.borderc = color[COLOR_white][2];
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gfx_draw_line (currentwin->screen, list->x, list->y, list->x+list->w, list->y, ls);
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gfx_draw_line (currentwin->screen, list->x+list->w, list->y, list->x+list->w, list->y+list->h, ls);
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gfx_draw_line (currentwin->screen, list->x+list->w, list->y+list->h, list->x, list->y+list->h, ls);
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gfx_draw_line (currentwin->screen, list->x, list->y+list->h, list->x, list->y, ls);
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if (list->data == NULL) return;
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for (max = 0; list->data[max] != NULL; max++);
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/* range to display */
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i = max - list->h/16;
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if (i < list->vs) list->vs = i;
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if (list->vs < 0) list->vs = 0;
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for (i = list->vs; i < (list->vs + list->h/16) && i < max; i++) {
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if (i == list->selected) gfx_draw_text (currentwin->screen, list->x + 5, list->y + 5 + 16 * (i - list->vs), list->data[i], &color[COLOR_red][1]);
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else gfx_draw_text (currentwin->screen, list->x + 5, list->y + 5 + 16 * (i - list->vs), list->data[i], &color[COLOR_white][3]);
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}
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ls.c = ls.borderc = color[COLOR_white][3];
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for (i = -1; i < 2; i += 2) {
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if (i < 0) y = list->y + list->h;
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else y = list->y;
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x = list->x + list->w;
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for (j = 0; j <= 5; j++) {
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gfx_draw_line (currentwin->screen, x - 5, y, x-j, y + i*5, ls);
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gfx_draw_line (currentwin->screen, x - 5 -j, y+ i*5, x-5, y, ls);
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}
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}
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};
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/*
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* event handling
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*/
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void gui_list_event (GUIList *list, GUIEvent *event) {
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int x = event->mousepos.x - list->x;
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int y = event->mousepos.y - list->y;
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int i;
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/* set focus */
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if (event->event == EGUI_MOUSERELEASED && x >= 0 && x <= list->w && y >= 0 && y <= list->h) {
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currentwin->focus = list;
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if (y <= 5 && x >= list->w - 10) list->vs--;
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else if (y >= list->h - 5 && x >= list->w - 10) list->vs++;
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else { /* select entry */
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i = (y-5)/16 + list->vs;
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list->selected = i;
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if (list->callback_selectitem) list->callback_selectitem (i);
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d_printf ("selected nr: %d", i);
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}
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}
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currentwin->screen_changed = 1;
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draw ();
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};
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