detect active monitor using input focus

diff --git a/dmenu.c b/dmenu.c
index fd98d54..6c1407d 100644 (file)
--- a/dmenu.c
+++ b/dmenu.c
@@ -473,7 +473,7 @@ void
 setup(void) {
        int x, y, screen = DefaultScreen(dc->dpy);
        Window root = RootWindow(dc->dpy, screen);
-       XSetWindowAttributes wa;
+       XSetWindowAttributes swa;
 #ifdef XINERAMA
        int n;
        XineramaScreenInfo *info;
@@ -494,9 +494,14 @@ setup(void) {
        if((info = XineramaQueryScreens(dc->dpy, &n))) {
                int i, di;
                unsigned int du;
-               Window dw;
+               Window w, dw;
+               XWindowAttributes wa;
 
-               XQueryPointer(dc->dpy, root, &dw, &dw, &x, &y, &di, &di, &du);
+               XGetInputFocus(dc->dpy, &w, &di);
+               if(w != root && XGetWindowAttributes(dc->dpy, w, &wa))
+                       XTranslateCoordinates(dc->dpy, root, root, wa.x, wa.y, &x, &y, &dw);
+               else
+                       XQueryPointer(dc->dpy, root, &dw, &dw, &x, &y, &di, &di, &du);
                for(i = 0; i < n-1; i++)
                        if(INRECT(x, y, info[i].x_org, info[i].y_org, info[i].width, info[i].height))
                                break;
@@ -517,13 +522,13 @@ setup(void) {
        match(False);
 
        /* menu window */
-       wa.override_redirect = True;
-       wa.background_pixmap = ParentRelative;
-       wa.event_mask = ExposureMask | KeyPressMask | VisibilityChangeMask;
+       swa.override_redirect = True;
+       swa.background_pixmap = ParentRelative;
+       swa.event_mask = ExposureMask | KeyPressMask | VisibilityChangeMask;
        win = XCreateWindow(dc->dpy, root, x, y, mw, mh, 0,
                            DefaultDepth(dc->dpy, screen), CopyFromParent,
                            DefaultVisual(dc->dpy, screen),
-                           CWOverrideRedirect | CWBackPixmap | CWEventMask, &wa);
+                           CWOverrideRedirect | CWBackPixmap | CWEventMask, &swa);
 
        XMapRaised(dc->dpy, win);
        resizedc(dc, mw, mh);