fixed several issues with focus handling via mouse, also added sending clients to...

diff --git a/dwm.c b/dwm.c
index 096895c..9779654 100644 (file)
--- a/dwm.c
+++ b/dwm.c
@@ -166,7 +166,7 @@ static void detach(Client *c);
 static void detachstack(Client *c);
 static void die(const char *errstr, ...);
 static void drawbar(Monitor *m);
-static void drawbars();
+static void drawbars(void);
 static void drawsquare(Bool filled, Bool empty, Bool invert, unsigned long col[ColLast]);
 static void drawtext(const char *text, unsigned long col[ColLast], Bool invert);
 static void enternotify(XEvent *e);
@@ -176,6 +176,9 @@ static void focusin(XEvent *e);
 static void focusstack(const Arg *arg);
 static Client *getclient(Window w);
 static unsigned long getcolor(const char *colstr);
+static Monitor *getmonitor(Window w);
+static Monitor *getmonitorxy(int x, int y);
+static Bool getrootpointer(int *x, int *y);
 static long getstate(Window w);
 static Bool gettextprop(Window w, Atom atom, char *text, unsigned int size);
 static void grabbuttons(Client *c, Bool focused);
@@ -197,6 +200,7 @@ static void resizemouse(const Arg *arg);
 static void restack(Monitor *m);
 static void run(void);
 static void scan(void);
+static void sendmon(Client *c, Monitor *m);
 static void setclientstate(Client *c, long state);
 static void setlayout(const Arg *arg);
 static void setmfact(const Arg *arg);
@@ -397,15 +401,11 @@ buttonpress(XEvent *e) {
 
        click = ClkRootWin;
        /* focus monitor if necessary */
-       for(m = mons; m; m = m->next)
-               if(ev->window == m->barwin) {
-                       if(m != selmon) {
-                               unfocus(selmon->stack);
-                               selmon = m;
-                               focus(NULL);
-                       }
-                       break;
-               }
+       if((m = getmonitor(ev->window)) && m != selmon) {
+               unfocus(selmon->sel);
+               selmon = m;
+               focus(NULL);
+       }
        if(ev->window == selmon->barwin && ev->x >= selmon->btx) {
                i = 0;
                x = selmon->btx;
@@ -683,7 +683,7 @@ drawbar(Monitor *m) {
 }
 
 void
-drawbars() {
+drawbars(void) {
        Monitor *m;
 
        for(m = mons; m; m = m->next)
@@ -742,10 +742,15 @@ drawtext(const char *text, unsigned long col[ColLast], Bool invert) {
 void
 enternotify(XEvent *e) {
        Client *c;
+       Monitor *m;
        XCrossingEvent *ev = &e->xcrossing;
 
        if((ev->mode != NotifyNormal || ev->detail == NotifyInferior) && ev->window != root)
                return;
+       if((m = getmonitor(ev->window)) && m != selmon) {
+               unfocus(selmon->sel);
+               selmon = m;
+       }
        if((c = getclient(ev->window)))
                focus(c);
        else
@@ -757,12 +762,8 @@ expose(XEvent *e) {
        Monitor *m;
        XExposeEvent *ev = &e->xexpose;
 
-       if(ev->count == 0)
-               for(m = mons; m; m = m->next)
-                       if(ev->window == m->barwin) {
-                               drawbar(m);
-                               break;
-                       }
+       if(ev->count == 0 && (m = getmonitor(ev->window)))
+               drawbar(m);
 }
 
 void
@@ -809,7 +810,6 @@ focusmon(const Arg *arg) {
                        unfocus(selmon->sel);
                        selmon = m;
                        focus(NULL);
-                       drawbars();
                        break;
                }
 }
@@ -863,6 +863,40 @@ getcolor(const char *colstr) {
        return color.pixel;
 }
 
+Monitor *
+getmonitor(Window w) {
+       int x, y;
+       Client *c;
+       Monitor *m;
+
+       if(w == root && getrootpointer(&x, &y))
+               return getmonitorxy(x, y);
+       for(m = mons; m; m = m->next)
+               if(w == m->barwin)
+                       return m;
+       if((c = getclient(w)))
+               return c->mon;
+       return NULL;
+}
+
+Monitor *
+getmonitorxy(int x, int y) {
+       Monitor *m;
+
+       for(m = mons; m; m = m->next)
+               if(INRECT(x, y, m->wx, m->wy, m->ww, m->wh))
+                       return m;
+       return NULL;
+}
+
+Bool
+getrootpointer(int *x, int *y) {
+       int di;
+       unsigned int dui;
+       Window dummy;
+       return XQueryPointer(dpy, root, &dummy, &dummy, x, y, &di, &di, &dui);
+}
+
 long
 getstate(Window w) {
        int format, status;
@@ -1124,10 +1158,9 @@ monocle(Monitor *m) {
 
 void
 movemouse(const Arg *arg) {
-       int x, y, ocx, ocy, di, nx, ny;
-       unsigned int dui;
+       int x, y, ocx, ocy, nx, ny;
        Client *c;
-       Window dummy;
+       Monitor *m;
        XEvent ev;
 
        if(!(c = selmon->sel))
@@ -1138,7 +1171,8 @@ movemouse(const Arg *arg) {
        if(XGrabPointer(dpy, root, False, MOUSEMASK, GrabModeAsync, GrabModeAsync,
        None, cursor[CurMove], CurrentTime) != GrabSuccess)
                return;
-       XQueryPointer(dpy, root, &dummy, &dummy, &x, &y, &di, &di, &dui);
+       if(!getrootpointer(&x, &y))
+               return;
        do {
                XMaskEvent(dpy, MOUSEMASK|ExposureMask|SubstructureRedirectMask, &ev);
                switch (ev.type) {
@@ -1171,6 +1205,8 @@ movemouse(const Arg *arg) {
        }
        while(ev.type != ButtonRelease);
        XUngrabPointer(dpy, CurrentTime);
+       if((m = getmonitorxy(c->x + c->w / 2, c->y + c->h / 2)) != selmon)
+               sendmon(c, m);
 }
 
 Client *
@@ -1239,6 +1275,7 @@ resizemouse(const Arg *arg) {
        int ocx, ocy;
        int nw, nh;
        Client *c;
+       Monitor *m;
        XEvent ev;
 
        if(!(c = selmon->sel))
@@ -1277,6 +1314,8 @@ resizemouse(const Arg *arg) {
        XWarpPointer(dpy, None, c->win, 0, 0, 0, 0, c->w + c->bw - 1, c->h + c->bw - 1);
        XUngrabPointer(dpy, CurrentTime);
        while(XCheckMaskEvent(dpy, EnterWindowMask, &ev));
+       if((m = getmonitorxy(c->x + c->w / 2, c->y + c->h / 2)) != selmon)
+               sendmon(c, m);
 }
 
 void
@@ -1342,6 +1381,20 @@ scan(void) {
 }
 
 void
+sendmon(Client *c, Monitor *m) {
+       if(c->mon == m)
+               return;
+       detach(c);
+       detachstack(c);
+       c->mon = m;
+       c->tags = m->tagset[m->seltags]; /* assign tags of target monitor */
+       attach(c);
+       attachstack(c);
+       focus(NULL);
+       arrange();
+}
+
+void
 setclientstate(Client *c, long state) {
        long data[] = {state, None};
 
@@ -1497,14 +1550,7 @@ tagmon(const Arg *arg) {
                return;
        for(i = 0, m = mons; m; m = m->next, i++)
                if(i == arg->ui) {
-                       detach(c);
-                       detachstack(c);
-                       c->mon = m;
-                       c->tags = m->tagset[m->seltags]; /* assign tags of target monitor */
-                       attach(c);
-                       attachstack(c);
-                       focus(NULL);
-                       arrange();
+                       sendmon(c, m);
                        break;
                }
 }
@@ -1676,11 +1722,9 @@ updatebarpos(Monitor *m) {
 
 void
 updategeom(void) {
-       int i, di, n = 1, x, y;
-       unsigned int dui;
+       int i, n = 1;
        Client *c;
        Monitor *newmons = NULL, *m, *tm;
-       Window dummy;
 
 #ifdef XINULATOR
        n = 2;
@@ -1763,17 +1807,9 @@ updategeom(void) {
                }
 
        /* select focused monitor */
-       selmon = newmons;
-       if(XQueryPointer(dpy, root, &dummy, &dummy, &x, &y, &di, &di, &dui)) 
-               for(m = newmons; m; m = m->next)
-                       if(INRECT(x, y, m->wx, m->wy, m->ww, m->wh)) {
-                               selmon = m;
-                               break;
-                       }
-
-       /* final assignment of new monitors */
        cleanupmons();
        mons = newmons;
+       selmon = getmonitor(root);
 }
 
 void
@@ -1848,7 +1884,7 @@ updatetitle(Client *c) {
 }
 
 void
-updatestatus() {
+updatestatus(void) {
        if(!gettextprop(root, XA_WM_NAME, stext, sizeof(stext)))
                strcpy(stext, "dwm-"VERSION);
        drawbar(selmon);