Attachment 306438 Details for Bug 448032 – C Xlib program that draws a window with 2 bordered children that can be used to easily see the child border redraw problem.

C Xlib program that draws a window with 2 bordered children that can be used to easily see the child border redraw problem.

xbordertest.c (text/x-csrc), 2.25 KB, created by Joey Adams on 2008-05-23 02:09:17 UTC

(hide)

Description:

Filename:

MIME Type:

Creator: Joey Adams

Created: 2008-05-23 02:09:17 UTC

Size: 2.25 KB

patch

obsolete

>//build with the following command:  gcc -Os -Wall -W -lX11 main.c -o xbordertest
>
>#include <X11/Xlib.h>
>#include <stdlib.h>
>#include <stdio.h>
>#include <assert.h>
>
>#define WIDTH 640
>#define HEIGHT 480
>#define WIN_COUNT 1
>
>static unsigned long x_rgb(Display *dpy, int screen, unsigned short r, unsigned short g, unsigned short b) {
>	XColor color = {
>		red: r,
>		green: g,
>		blue: b,
>		flags:DoRed|DoGreen|DoBlue
>	};
>	XAllocColor(dpy, DefaultColormap(dpy,screen), &color);
>	return color.pixel;
>}
>
>int main(int argc, char *argv[]) {
>	Display *dpy = XOpenDisplay(NULL);
>	assert(dpy);
>	int screen = DefaultScreen(dpy);
>	int color[5] = {BlackPixel(dpy,screen), WhitePixel(dpy,screen), x_rgb(dpy,screen,65535,0,0), x_rgb(dpy,screen,0,65535,0), x_rgb(dpy,screen,0,0,65535)};
>	#define black 0
>	#define white 1
>	#define red 2
>	#define green 3
>	#define blue 4
>	Atom wm_protocols = XInternAtom(dpy, "WM_PROTOCOLS", 0);
>	Atom wm_delete_window = XInternAtom(dpy, "WM_DELETE_WINDOW", 0);
>	
>	Window win[WIN_COUNT];
>	Window win2[WIN_COUNT];
>	Window win3[WIN_COUNT];
>	int windows_left = WIN_COUNT;
>	int i;
>	for (i=0; i<WIN_COUNT; i++) {
>		win[i] = XCreateSimpleWindow(dpy, RootWindow(dpy,screen), 0,0, WIDTH,HEIGHT, 0, color[black], color[white]);
>		win2[i] = XCreateSimpleWindow(dpy, win[i], 10,20,100,50, 2, color[black], color[red]);
>		win3[i] = XCreateSimpleWindow(dpy, win[i], 120,20,100,50, 2, color[black], color[blue]);
>		fprintf(stderr, "%lu (%lu, %lu)\n", win[i], win2[i], win3[i]);
>		XMapWindow(dpy, win2[i]);
>		XMapWindow(dpy, win3[i]);
>		XSetWMProtocols(dpy, win[i], &wm_delete_window, 1);
>		GC gc = XCreateGC(dpy, win[i], 0, NULL); //can be used with both windows
>		XSelectInput(dpy, win[i], ExposureMask | StructureNotifyMask);
>		XMapWindow(dpy, win[i]);
>	}
>	
>	for (;;) {
>		XEvent e;
>		XNextEvent(dpy, &e);
>		switch (e.type) {
>			case ClientMessage: {
>				XClientMessageEvent *ev = &e.xclient;
>				if (ev->message_type==wm_protocols && (Atom)ev->data.l[0]==wm_delete_window) {
>					for (i=0; i<WIN_COUNT; i++)
>						if (ev->window == win[i]) {
>							fprintf(stderr, "Closing window %d (%lu)\n", i, win[i]);
>							XDestroyWindow(dpy, win[i]);
>							if (--windows_left==0) {
>								XCloseDisplay(dpy);
>								return 0;
>							}
>							break;
>						}
>					
>				}
>			}
>		}
>	}
>	
>	#undef black
>	#undef white
>}
>

Actions: View

Attachments on bug 448032: 306438