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96 lines
2.5 KiB
96 lines
2.5 KiB
/* $Id: gui_window.c,v 1.4 2013/02/21 23:07:19 steffen Exp $ */
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/***************************************************************************
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* gui_window.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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* reset all window data, do not allocate anything
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*/
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void gui_window_new (GUIWindow *win, int w, int h, char *title) {
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int i;
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for (i = 0; i < GUI_MAX_ITEM; i++) {
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win->items[i].item = NULL;
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win->items[i].type = GUI_NONE;
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}
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if (title == NULL) win->title[0] = 0;
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else strncpy (win->title, title, GUI_TEXTLEN);
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win->screen = NULL;
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win->screen_changed = 1;
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win->h = h;
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win->w = w;
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win->focus = NULL;
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d_printf ("gui_window_new [%s] %p width:%d height:%d", title, win, w, h);
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};
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/*
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* closes the window, but does not free the memory.
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*/
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void gui_window_close (GUIWindow *win) {
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d_printf ("gui_window_close [%s] %p", win->title, win);
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/* delete screen so we know it's disabled.. */
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if (win->screen) gfx_img_free (win->screen);
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win->screen = NULL;
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win->screen_changed = 1;
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if (currentwin == win) currentwin = NULL;
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};
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/*
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* add pointer to item to the window data structure..
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* the items will have to be hold inside the application
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*/
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void gui_window_item_add (GUIWindow *win, int type, void *item) {
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int i, ifree = -1;
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if (item == NULL || win == NULL) return;
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for (i = 0; i < GUI_MAX_ITEM; i++) {
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if (win->items[i].type == GUI_NONE && ifree == -1) ifree = i;
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if (win->items[i].item == item) {
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d_printf ("item already added to item list.");
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ifree = i;
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}
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}
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if (ifree == -1) {
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d_printf ("no free item slot");
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exit (1);
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}
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win->items[ifree].type = type;
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win->items[ifree].item = item;
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};
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