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/* TinyWM is written by Nick Welch <mack@incise.org>, 2005.
*
* This software is in the public domain
* and is provided AS IS, with NO WARRANTY. */
#include <X11/Xlib.h>
#define MAX(a, b) ((a) > (b) ? (a) : (b))
int main()
{
Display * dpy;
Window root;
XWindowAttributes attr;
XButtonEvent start;
XEvent ev;
if(!(dpy = XOpenDisplay(0x0))) return 1;
root = DefaultRootWindow(dpy);
XGrabKey(dpy, XKeysymToKeycode(dpy, XStringToKeysym("F1")), Mod1Mask, root,
True, GrabModeAsync, GrabModeAsync);
XGrabButton(dpy, 1, Mod1Mask, root, True, ButtonPressMask, GrabModeAsync,
GrabModeAsync, None, None);
XGrabButton(dpy, 3, Mod1Mask, root, True, ButtonPressMask, GrabModeAsync,
GrabModeAsync, None, None);
for(;;)
{
XNextEvent(dpy, &ev);
if(ev.type == KeyPress && ev.xkey.subwindow != None)
XRaiseWindow(dpy, ev.xkey.subwindow);
else if(ev.type == ButtonPress && ev.xbutton.subwindow != None)
{
XGrabPointer(dpy, ev.xbutton.subwindow, True,
PointerMotionMask|ButtonReleaseMask, GrabModeAsync,
GrabModeAsync, None, None, CurrentTime);
XGetWindowAttributes(dpy, ev.xbutton.subwindow, &attr);
start = ev.xbutton;
}
else if(ev.type == MotionNotify)
{
int xdiff, ydiff;
while(XCheckTypedEvent(dpy, MotionNotify, &ev));
xdiff = ev.xbutton.x_root - start.x_root;
ydiff = ev.xbutton.y_root - start.y_root;
XMoveResizeWindow(dpy, ev.xmotion.window,
attr.x + (start.button==1 ? xdiff : 0),
attr.y + (start.button==1 ? ydiff : 0),
MAX(1, attr.width + (start.button==3 ? xdiff : 0)),
MAX(1, attr.height + (start.button==3 ? ydiff : 0)));
}
else if(ev.type == ButtonRelease)
XUngrabPointer(dpy, CurrentTime);
}
}
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