got rid of compile time xidx configuration, querying mouse pointer instead

diff --git a/config.def.h b/config.def.h
index d408e70..eaf773d 100644 (file)
--- a/config.def.h
+++ b/config.def.h
@@ -13,10 +13,6 @@ static uint snap                    = 32;       /* snap pixel */
 static Bool showbar                 = True;     /* False means no bar */
 static Bool topbar                  = True;     /* False means bottom bar */
 
-#ifdef XINERAMA
-static uint xidx                    = 0;        /* Xinerama screen index to use */
-#endif
-
 /* tagging */
 static const char tags[][MAXTAGLEN] = { "1", "2", "3", "4", "5", "6", "7", "8", "9" };
 

diff --git a/dwm.c b/dwm.c
index 29157de..f8a6ed5 100644 (file)
--- a/dwm.c
+++ b/dwm.c
@@ -44,16 +44,17 @@
 #endif
 
 /* macros */
-#define MAX(a, b)       ((a) > (b) ? (a) : (b))
-#define MIN(a, b)       ((a) < (b) ? (a) : (b))
-#define BUTTONMASK      (ButtonPressMask|ButtonReleaseMask)
-#define CLEANMASK(mask) (mask & ~(numlockmask|LockMask))
-#define LENGTH(x)       (sizeof x / sizeof x[0])
-#define MAXTAGLEN       16
-#define MOUSEMASK       (BUTTONMASK|PointerMotionMask)
-#define TAGMASK         ((int)((1LL << LENGTH(tags)) - 1))
-#define TEXTW(x)        (textnw(x, strlen(x)) + dc.font.height)
-#define ISVISIBLE(x)    (x->tags & tagset[seltags])
+#define BUTTONMASK              (ButtonPressMask|ButtonReleaseMask)
+#define CLEANMASK(mask)         (mask & ~(numlockmask|LockMask))
+#define INRECT(X,Y,RX,RY,RW,RH) ((X) >= (RX) && (X) < (RX) + (RW) && (Y) >= (RY) && (Y) < (RY) + (RH))
+#define ISVISIBLE(x)            (x->tags & tagset[seltags])
+#define LENGTH(x)               (sizeof x / sizeof x[0])
+#define MAX(a, b)               ((a) > (b) ? (a) : (b))
+#define MIN(a, b)               ((a) < (b) ? (a) : (b))
+#define MAXTAGLEN               16
+#define MOUSEMASK               (BUTTONMASK|PointerMotionMask)
+#define TAGMASK                 ((int)((1LL << LENGTH(tags)) - 1))
+#define TEXTW(x)                (textnw(x, strlen(x)) + dc.font.height)
 
 /* enums */
 enum { CurNormal, CurResize, CurMove, CurLast };        /* cursor */
@@ -974,7 +975,7 @@ monocle(void) {
 
 void
 movemouse(const Arg *arg) {
-       int x1, y1, ocx, ocy, di, nx, ny;
+       int x, y, ocx, ocy, di, nx, ny;
        unsigned int dui;
        Client *c;
        Window dummy;
@@ -988,7 +989,7 @@ movemouse(const Arg *arg) {
        if(XGrabPointer(dpy, root, False, MOUSEMASK, GrabModeAsync, GrabModeAsync,
        None, cursor[CurMove], CurrentTime) != GrabSuccess)
                return;
-       XQueryPointer(dpy, root, &dummy, &dummy, &x1, &y1, &di, &di, &dui);
+       XQueryPointer(dpy, root, &dummy, &dummy, &x, &y, &di, &di, &dui);
        for(;;) {
                XMaskEvent(dpy, MOUSEMASK|ExposureMask|SubstructureRedirectMask, &ev);
                switch (ev.type) {
@@ -1002,8 +1003,8 @@ movemouse(const Arg *arg) {
                        break;
                case MotionNotify:
                        XSync(dpy, False);
-                       nx = ocx + (ev.xmotion.x - x1);
-                       ny = ocy + (ev.xmotion.y - y1);
+                       nx = ocx + (ev.xmotion.x - x);
+                       ny = ocy + (ev.xmotion.y - y);
                        if(snap && nx >= wx && nx <= wx + ww
                                && ny >= wy && ny <= wy + wh) {
                                if(abs(wx - nx) < snap)
@@ -1557,12 +1558,24 @@ updatebar(void) {
 void
 updategeom(void) {
 #ifdef XINERAMA
-       int i;
+       int n;
+       unsigned int xidx = 0;
        XineramaScreenInfo *info = NULL;
 
        /* window area geometry */
        if(XineramaIsActive(dpy)) {
-               info = XineramaQueryScreens(dpy, &i);
+               info = XineramaQueryScreens(dpy, &n);
+               if(n > 1) {
+                       int di, i, x, y;
+                       unsigned int dui;
+                       Window dummy;
+                       if(XQueryPointer(dpy, root, &dummy, &dummy, &x, &y, &di, &di, &dui))
+                               for(i = 0; i < n; i++)
+                                       if(INRECT(x, y, info[i].x_org, info[i].y_org, info[i].width, info[i].height)) {
+                                               xidx = i;
+                                               break;
+                                       }
+               }
                wx = info[xidx].x_org;
                wy = showbar && topbar ?  info[xidx].y_org + bh : info[xidx].y_org;
                ww = info[xidx].width;