43 lines
		
	
	
		
			847 B
		
	
	
	
		
			C
		
	
	
	
	
	
			
		
		
	
	
			43 lines
		
	
	
		
			847 B
		
	
	
	
		
			C
		
	
	
	
	
	
| /* cc transient.c -o transient -lX11 */
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| 
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| #include <stdlib.h>
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| #include <unistd.h>
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| #include <X11/Xlib.h>
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| #include <X11/Xutil.h>
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| 
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| int main(void) {
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| 	Display *d;
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| 	Window r, f, t = None;
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| 	XSizeHints h;
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| 	XEvent e;
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| 
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| 	d = XOpenDisplay(NULL);
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| 	if (!d)
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| 		exit(1);
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| 	r = DefaultRootWindow(d);
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| 
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| 	f = XCreateSimpleWindow(d, r, 100, 100, 400, 400, 0, 0, 0);
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| 	h.min_width = h.max_width = h.min_height = h.max_height = 400;
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| 	h.flags = PMinSize | PMaxSize;
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| 	XSetWMNormalHints(d, f, &h);
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| 	XStoreName(d, f, "floating");
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| 	XMapWindow(d, f);
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| 
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| 	XSelectInput(d, f, ExposureMask);
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| 	while (1) {
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| 		XNextEvent(d, &e);
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| 
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| 		if (t == None) {
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| 			sleep(5);
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| 			t = XCreateSimpleWindow(d, r, 50, 50, 100, 100, 0, 0, 0);
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| 			XSetTransientForHint(d, t, f);
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| 			XStoreName(d, t, "transient");
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| 			XMapWindow(d, t);
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| 			XSelectInput(d, t, ExposureMask);
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| 		}
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| 	}
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| 
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| 	XCloseDisplay(d);
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| 	exit(0);
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| }
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