46 lines
1.2 KiB
C
46 lines
1.2 KiB
C
#include <stdio.h>
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#include <X11/Xlib.h>
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#include <X11/Xutil.h>
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#include <X11/Xatom.h>
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int main () {
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Display *display;
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Window parent, child;
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XEvent report;
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Atom state, modal;
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int x=10,y=10,h=400,w=400;
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display = XOpenDisplay(NULL);
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if (display == NULL) {
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fprintf(stderr, "couldn't connect to X server :0\n");
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return 0;
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}
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state = XInternAtom(display, "_NET_WM_STATE", True);
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modal = XInternAtom(display, "_NET_WM_STATE_MODAL", True);
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parent = XCreateWindow(display, RootWindow(display, 0),
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x, y, w, h, 10, CopyFromParent, CopyFromParent,
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CopyFromParent, 0, 0);
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child = XCreateWindow(display, RootWindow(display, 0),
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x, y, w/2, h/2, 10, CopyFromParent, CopyFromParent,
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CopyFromParent, 0, 0);
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XSetWindowBackground(display,parent,WhitePixel(display,0));
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XSetWindowBackground(display,child,BlackPixel(display,0));
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XSetTransientForHint(display, child, parent);
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XChangeProperty(display, child, state, XA_ATOM, 32,
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PropModeReplace, (unsigned char*)&modal, 1);
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XMapWindow(display, parent);
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XMapWindow(display, child);
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XFlush(display);
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while (1) {
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XNextEvent(display, &report);
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}
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return 1;
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}
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