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/* wintype.c - xtron v1.1 X windows handler
*
* Copyright (C) 1995 Rhett D. Jacobs <rhett@hotel.canberra.edu.au>
*
* 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 1, or (at your option)
* any later version.
*
* This program 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, write to the Free Software
* Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
*
* Last Modified: 16/4/95
*/
#include"wintype.h"
void win_setup(void)
{
/* set the display name from the environment variable DISPLAY */
display = XOpenDisplay (NULL);
if (display == NULL) {
fprintf (stderr,"Unable to open display %s\n",
XDisplayName (NULL));
exit (1);
}
screen = DefaultScreen (display);
foreground = ColourSet("black");
background = ColourSet("grey75");
}
unsigned long ColourSet(char *name)
{
int DefaultDepth;
Colormap DefaultCMap;
XColor ExactDef;
Visual *DefaultVisual;
DefaultDepth = DefaultDepth(display, screen);
DefaultVisual = DefaultVisual(display, screen);
DefaultCMap = DefaultColormap(display, screen);
if (!XParseColor(display, DefaultCMap, name, &ExactDef)) {
fprintf(stderr,"error: colour not in colour database..\n");
exit(0);
}
if (!XAllocColor(display, DefaultCMap, &ExactDef)) {
fprintf(stderr,"error: can't allocate colour..\n");
exit(0);
}
return(ExactDef.pixel);
}
void win_shutdown(void)
{
XFreeGC(display, gc);
XCloseDisplay (display);
exit (0);
}
Window win_open(int x, int y, int width, int height, int border_width,
Window parent, int istoplevel, int argc, char *argv[],
char *win_name)
{
Window new_window;
XSizeHints size_hints;
/* create window */
new_window = XCreateSimpleWindow(display, parent, x, y, width, height,
border_width, foreground, background);
/* set size hints for window manager */
if (istoplevel) {
size_hints.flags = PMinSize | PMaxSize | PSize | PResizeInc;
size_hints.min_width = width;
size_hints.max_width = width;
size_hints.min_height = height;
size_hints.max_height = height;
size_hints.width_inc=1;
size_hints.height_inc=1;
XSelectInput(display, new_window,
ButtonPressMask | KeyPressMask | ExposureMask |
VisibilityChangeMask | FocusChangeMask);
/* state which hints are included */
XSetStandardProperties (display, new_window, win_name,
"xtron", ReadXPM("Xtron_icon.xpm"),
argv, argc, &size_hints);
}
/* return the window ID */
return (new_window);
}
GC win_getGC(void)
{
XGCValues gcValues;
gc = XCreateGC (display, main_window,
(unsigned long) 0, &gcValues);
XSetBackground (display, gc, background);
XSetForeground (display, gc, foreground);
return (gc);
}
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