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

[dwm.git] / dwm.c

diff --git a/dwm.c b/dwm.c
index afe8f18..9779654 100644 (file)
--- a/dwm.c
+++ b/dwm.c
@@ -1,3 +1,4 @@
+//#define XINULATOR /* debug, simulates dual head */

 /* See LICENSE file for copyright and license details.
  *
  * dynamic window manager is designed like any other X client as well. It is
 /* See LICENSE file for copyright and license details.
  *
  * dynamic window manager is designed like any other X client as well. It is


@@ -44,7 +45,7 @@
 #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 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(M, C)         ((M) == (C->m) && (C->tags & M->tagset[M->seltags]))
+#define ISVISIBLE(C)            ((C->tags & C->mon->tagset[C->mon->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 LENGTH(X)               (sizeof X / sizeof X[0])
 #define MAX(A, B)               ((A) > (B) ? (A) : (B))
 #define MIN(A, B)               ((A) < (B) ? (A) : (B))


@@ -89,7 +90,7 @@ struct Client {
        Bool isfixed, isfloating, isurgent;
        Client *next;
        Client *snext;
        Bool isfixed, isfloating, isurgent;
        Client *next;
        Client *snext;

-       Monitor *m;
+       Monitor *mon;

        Window win;
 };
 
        Window win;
 };
 


@@ -124,14 +125,18 @@ struct Monitor {
        int screen_number;
        float mfact;
        int by, btx;          /* bar geometry */
        int screen_number;
        float mfact;
        int by, btx;          /* bar geometry */

+       int my, mh;           /* vertical screen size*/

        int wx, wy, ww, wh;   /* window area  */
        unsigned int seltags;
        unsigned int sellt;
        unsigned int tagset[2];
        Bool showbar;
        Bool topbar;
        int wx, wy, ww, wh;   /* window area  */
        unsigned int seltags;
        unsigned int sellt;
        unsigned int tagset[2];
        Bool showbar;
        Bool topbar;

-       Window barwin;
+       Client *clients;
+       Client *sel;
+       Client *stack;

        Monitor *next;
        Monitor *next;

+       Window barwin;

 };
 
 typedef struct {
 };
 
 typedef struct {


@@ -161,7 +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 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);
 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);


@@ -171,6 +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 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);
 static long getstate(Window w);
 static Bool gettextprop(Window w, Atom atom, char *text, unsigned int size);
 static void grabbuttons(Client *c, Bool focused);


@@ -184,7 +192,7 @@ static void mappingnotify(XEvent *e);
 static void maprequest(XEvent *e);
 static void monocle(Monitor *m);
 static void movemouse(const Arg *arg);
 static void maprequest(XEvent *e);
 static void monocle(Monitor *m);
 static void movemouse(const Arg *arg);

-static Client *nexttiled(Monitor *m, Client *c);
+static Client *nexttiled(Client *c);

 static void propertynotify(XEvent *e);
 static void quit(const Arg *arg);
 static void resize(Client *c, int x, int y, int w, int h);
 static void propertynotify(XEvent *e);
 static void quit(const Arg *arg);
 static void resize(Client *c, int x, int y, int w, int h);


@@ -192,6 +200,7 @@ static void resizemouse(const Arg *arg);
 static void restack(Monitor *m);
 static void run(void);
 static void scan(void);
 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);
 static void setclientstate(Client *c, long state);
 static void setlayout(const Arg *arg);
 static void setmfact(const Arg *arg);


@@ -206,9 +215,11 @@ static void togglebar(const Arg *arg);
 static void togglefloating(const Arg *arg);
 static void toggletag(const Arg *arg);
 static void toggleview(const Arg *arg);
 static void togglefloating(const Arg *arg);
 static void toggletag(const Arg *arg);
 static void toggleview(const Arg *arg);

+static void unfocus(Client *c);

 static void unmanage(Client *c);
 static void unmapnotify(XEvent *e);
 static void updategeom(void);
 static void unmanage(Client *c);
 static void unmapnotify(XEvent *e);
 static void updategeom(void);

+static void updatebarpos(Monitor *m);

 static void updatebars(void);
 static void updatenumlockmask(void);
 static void updatesizehints(Client *c);
 static void updatebars(void);
 static void updatenumlockmask(void);
 static void updatesizehints(Client *c);


@@ -249,9 +260,6 @@ static void (*handler[LASTEvent]) (XEvent *) = {
 static Atom wmatom[WMLast], netatom[NetLast];
 static Bool otherwm;
 static Bool running = True;
 static Atom wmatom[WMLast], netatom[NetLast];
 static Bool otherwm;
 static Bool running = True;

-static Client *clients = NULL;
-static Client *sel = NULL;
-static Client *stack = NULL;

 static Cursor cursor[CurLast];
 static Display *dpy;
 static DC dc;
 static Cursor cursor[CurLast];
 static Display *dpy;
 static DC dc;


@@ -288,7 +296,7 @@ applyrules(Client *c) {
                if(ch.res_name)
                        XFree(ch.res_name);
        }
                if(ch.res_name)
                        XFree(ch.res_name);
        }

-       c->tags = c->tags & TAGMASK ? c->tags & TAGMASK : c->m->tagset[c->m->seltags];
+       c->tags = c->tags & TAGMASK ? c->tags & TAGMASK : c->mon->tagset[c->mon->seltags];

 }
 
 Bool
 }
 
 Bool


@@ -360,7 +368,9 @@ void
 arrange(void) {
        Monitor *m;
 
 arrange(void) {
        Monitor *m;
 

-       showhide(stack);
+       /* optimise two loops into one, check focus(NULL) */
+       for(m = mons; m; m = m->next)
+               showhide(m->stack);

        focus(NULL);
        for(m = mons; m; m = m->next) {
                if(lt[m->sellt]->arrange)
        focus(NULL);
        for(m = mons; m; m = m->next) {
                if(lt[m->sellt]->arrange)


@@ -371,14 +381,14 @@ arrange(void) {
 
 void
 attach(Client *c) {
 
 void
 attach(Client *c) {

-       c->next = clients;
-       clients = c;
+       c->next = c->mon->clients;
+       c->mon->clients = c;

 }
 
 void
 attachstack(Client *c) {
 }
 
 void
 attachstack(Client *c) {

-       c->snext = stack;
-       stack = c;
+       c->snext = c->mon->stack;
+       c->mon->stack = c;

 }
 
 void
 }
 
 void


@@ -386,10 +396,17 @@ buttonpress(XEvent *e) {
        unsigned int i, x, click;
        Arg arg = {0};
        Client *c;
        unsigned int i, x, click;
        Arg arg = {0};
        Client *c;

+       Monitor *m;

        XButtonPressedEvent *ev = &e->xbutton;
 
        click = ClkRootWin;
        XButtonPressedEvent *ev = &e->xbutton;
 
        click = ClkRootWin;

-       if(ev->window == selmon->barwin) {
+       /* focus monitor if necessary */
+       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;
                do
                i = 0;
                x = selmon->btx;
                do


@@ -435,11 +452,15 @@ void
 cleanup(void) {
        Arg a = {.ui = ~0};
        Layout foo = { "", NULL };
 cleanup(void) {
        Arg a = {.ui = ~0};
        Layout foo = { "", NULL };

+       Monitor *m;

 
        view(&a);
        lt[selmon->sellt] = &foo;
 
        view(&a);
        lt[selmon->sellt] = &foo;

-       while(stack)
-               unmanage(stack);
+
+       /* TODO: consider simplifying cleanup code of the stack, perhaps do that in cleanmons() ? */
+       for(m = mons; m; m = m->next)
+               while(m->stack)
+                       unmanage(m->stack);

        if(dc.font.set)
                XFreeFontSet(dpy, dc.font.set);
        else
        if(dc.font.set)
                XFreeFontSet(dpy, dc.font.set);
        else


@@ -541,7 +562,7 @@ configurerequest(XEvent *e) {
                                c->y = sy + (sh / 2 - c->h / 2); /* center in y direction */
                        if((ev->value_mask & (CWX|CWY)) && !(ev->value_mask & (CWWidth|CWHeight)))
                                configure(c);
                                c->y = sy + (sh / 2 - c->h / 2); /* center in y direction */
                        if((ev->value_mask & (CWX|CWY)) && !(ev->value_mask & (CWWidth|CWHeight)))
                                configure(c);

-                       if(ISVISIBLE((c->m), c))
+                       if(ISVISIBLE(c))

                                XMoveResizeWindow(dpy, c->win, c->x, c->y, c->w, c->h);
                }
                else
                                XMoveResizeWindow(dpy, c->win, c->x, c->y, c->w, c->h);
                }
                else


@@ -573,7 +594,7 @@ void
 detach(Client *c) {
        Client **tc;
 
 detach(Client *c) {
        Client **tc;
 

-       for(tc = &clients; *tc && *tc != c; tc = &(*tc)->next);
+       for(tc = &c->mon->clients; *tc && *tc != c; tc = &(*tc)->next);

        *tc = c->next;
 }
 
        *tc = c->next;
 }
 


@@ -581,7 +602,7 @@ void
 detachstack(Client *c) {
        Client **tc;
 
 detachstack(Client *c) {
        Client **tc;
 

-       for(tc = &stack; *tc && *tc != c; tc = &(*tc)->snext);
+       for(tc = &c->mon->stack; *tc && *tc != c; tc = &(*tc)->snext);

        *tc = c->snext;
 }
 
        *tc = c->snext;
 }
 


@@ -602,22 +623,21 @@ drawbar(Monitor *m) {
        unsigned long *col;
        Client *c;
 
        unsigned long *col;
        Client *c;
 

-       for(c = clients; c; c = c->next) {
-               if(m == c->m) {
-                       occ |= c->tags;
-                       if(c->isurgent)
-                               urg |= c->tags;
-               }
+       for(c = m->clients; c; c = c->next) {
+               occ |= c->tags;
+               if(c->isurgent)
+                       urg |= c->tags;

        }
 
        dc.x = 0;
 #ifdef XINERAMA
        {
        }
 
        dc.x = 0;
 #ifdef XINERAMA
        {

-               /*
-               dc.w = TEXTW(m->symbol);
-               drawtext(NULL, selmon == m ? dc.sel : dc.norm, False);
+               char buf[2];
+               buf[0] = m->screen_number + '0';
+               buf[1] = '\0';
+               dc.w = TEXTW(buf);
+               drawtext(buf, selmon == m ? dc.sel : dc.norm, True);

                dc.x += dc.w;
                dc.x += dc.w;

-               */

        }
 #endif /* XINERAMA */
        m->btx = dc.x;
        }
 #endif /* XINERAMA */
        m->btx = dc.x;


@@ -625,7 +645,7 @@ drawbar(Monitor *m) {
                dc.w = TEXTW(tags[i]);
                col = m->tagset[m->seltags] & 1 << i ? dc.sel : dc.norm;
                drawtext(tags[i], col, urg & 1 << i);
                dc.w = TEXTW(tags[i]);
                col = m->tagset[m->seltags] & 1 << i ? dc.sel : dc.norm;
                drawtext(tags[i], col, urg & 1 << i);

-               drawsquare(m == selmon && sel && sel->tags & 1 << i,
+               drawsquare(m == selmon && selmon->sel && selmon->sel->tags & 1 << i,

                           occ & 1 << i, urg & 1 << i, col);
                dc.x += dc.w;
        }
                           occ & 1 << i, urg & 1 << i, col);
                dc.x += dc.w;
        }


@@ -636,7 +656,7 @@ drawbar(Monitor *m) {
        }
        else
                x = dc.x;
        }
        else
                x = dc.x;

-       if(m == selmon) {
+       if(m == selmon) { /* status is only drawn on selected monitor */

                dc.w = TEXTW(stext);
                dc.x = m->ww - dc.w;
                if(dc.x < x) {
                dc.w = TEXTW(stext);
                dc.x = m->ww - dc.w;
                if(dc.x < x) {


@@ -644,27 +664,26 @@ drawbar(Monitor *m) {
                        dc.w = m->ww - x;
                }
                drawtext(stext, dc.norm, False);
                        dc.w = m->ww - x;
                }
                drawtext(stext, dc.norm, False);

-               if((dc.w = dc.x - x) > bh) {
-                       dc.x = x;
-                       if(sel) {
-                               drawtext(sel->name, dc.sel, False);
-                               drawsquare(sel->isfixed, sel->isfloating, False, dc.sel);
-                       }
-                       else
-                               drawtext(NULL, dc.norm, False);
-               }

        }
        else {
        }
        else {

+               dc.x = m->ww;
+       }
+       if((dc.w = dc.x - x) > bh) {

                dc.x = x;
                dc.x = x;

-               dc.w = m->ww - x;
-               drawtext(NULL, dc.norm, False);
+               if(m->sel) {
+                       col = m == selmon ? dc.sel : dc.norm;
+                       drawtext(m->sel->name, col, False);
+                       drawsquare(m->sel->isfixed, m->sel->isfloating, False, col);
+               }
+               else
+                       drawtext(NULL, dc.norm, False);

        }
        XCopyArea(dpy, dc.drawable, m->barwin, dc.gc, 0, 0, m->ww, bh, 0, 0);
        XSync(dpy, False);
 }
 
 void
        }
        XCopyArea(dpy, dc.drawable, m->barwin, dc.gc, 0, 0, m->ww, bh, 0, 0);
        XSync(dpy, False);
 }
 
 void

-drawbars() {
+drawbars(void) {

        Monitor *m;
 
        for(m = mons; m; m = m->next)
        Monitor *m;
 
        for(m = mons; m; m = m->next)


@@ -723,10 +742,15 @@ drawtext(const char *text, unsigned long col[ColLast], Bool invert) {
 void
 enternotify(XEvent *e) {
        Client *c;
 void
 enternotify(XEvent *e) {
        Client *c;

+       Monitor *m;

        XCrossingEvent *ev = &e->xcrossing;
 
        if((ev->mode != NotifyNormal || ev->detail == NotifyInferior) && ev->window != root)
                return;
        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
        if((c = getclient(ev->window)))
                focus(c);
        else


@@ -738,23 +762,19 @@ expose(XEvent *e) {
        Monitor *m;
        XExposeEvent *ev = &e->xexpose;
 
        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
 focus(Client *c) {
 }
 
 void
 focus(Client *c) {

-       if(!c || !ISVISIBLE((c->m), c))
-               for(c = stack; c && !ISVISIBLE(selmon, c); c = c->snext);
-       if(sel && sel != c) {
-               grabbuttons(sel, False);
-               XSetWindowBorder(dpy, sel->win, dc.norm[ColBorder]);
-       }
+       if(!c || !ISVISIBLE(c))
+               for(c = selmon->stack; c && !ISVISIBLE(c); c = c->snext);
+       if(selmon->sel)
+               unfocus(selmon->sel);

        if(c) {
        if(c) {

+               if(c->mon != selmon)
+                       selmon = c->mon;

                if(c->isurgent)
                        clearurgent(c);
                detachstack(c);
                if(c->isurgent)
                        clearurgent(c);
                detachstack(c);


@@ -765,7 +785,7 @@ focus(Client *c) {
        }
        else
                XSetInputFocus(dpy, root, RevertToPointerRoot, CurrentTime);
        }
        else
                XSetInputFocus(dpy, root, RevertToPointerRoot, CurrentTime);

-       sel = c;
+       selmon->sel = c;

        drawbars();
 }
 
        drawbars();
 }
 


@@ -773,8 +793,8 @@ void
 focusin(XEvent *e) { /* there are some broken focus acquiring clients */
        XFocusChangeEvent *ev = &e->xfocus;
 
 focusin(XEvent *e) { /* there are some broken focus acquiring clients */
        XFocusChangeEvent *ev = &e->xfocus;
 

-       if(sel && ev->window != sel->win)
-               XSetInputFocus(dpy, sel->win, RevertToPointerRoot, CurrentTime);
+       if(selmon->sel && ev->window != selmon->sel->win)
+               XSetInputFocus(dpy, selmon->sel->win, RevertToPointerRoot, CurrentTime);

 }
 
 #ifdef XINERAMA
 }
 
 #ifdef XINERAMA


@@ -785,9 +805,11 @@ focusmon(const Arg *arg) {
 
        for(i = 0, m = mons; m; m = m->next, i++)
                if(i == arg->ui) {
 
        for(i = 0, m = mons; m; m = m->next, i++)
                if(i == arg->ui) {

+                       if(m == selmon)
+                               return;
+                       unfocus(selmon->sel);

                        selmon = m;
                        focus(NULL);
                        selmon = m;
                        focus(NULL);

-                       drawbars();

                        break;
                }
 }
                        break;
                }
 }


@@ -797,20 +819,20 @@ void
 focusstack(const Arg *arg) {
        Client *c = NULL, *i;
 
 focusstack(const Arg *arg) {
        Client *c = NULL, *i;
 

-       if(!sel)
+       if(!selmon->sel)

                return;
        if(arg->i > 0) {
                return;
        if(arg->i > 0) {

-               for(c = sel->next; c && !ISVISIBLE(selmon, c); c = c->next);
+               for(c = selmon->sel->next; c && !ISVISIBLE(c); c = c->next);

                if(!c)
                if(!c)

-                       for(c = clients; c && !ISVISIBLE(selmon, c); c = c->next);
+                       for(c = selmon->clients; c && !ISVISIBLE(c); c = c->next);

        }
        else {
        }
        else {

-               for(i = clients; i != sel; i = i->next)
-                       if(ISVISIBLE(selmon, i))
+               for(i = selmon->clients; i != selmon->sel; i = i->next)
+                       if(ISVISIBLE(i))

                                c = i;
                if(!c)
                        for(; i; i = i->next)
                                c = i;
                if(!c)
                        for(; i; i = i->next)

-                               if(ISVISIBLE(selmon, i))
+                               if(ISVISIBLE(i))

                                        c = i;
        }
        if(c) {
                                        c = i;
        }
        if(c) {


@@ -822,9 +844,13 @@ focusstack(const Arg *arg) {
 Client *
 getclient(Window w) {
        Client *c;
 Client *
 getclient(Window w) {
        Client *c;

+       Monitor *m;

 
 

-       for(c = clients; c && c->win != w; c = c->next);
-       return c;
+       for(m = mons; m; m = m->next)
+               for(c = m->clients; c; c = c->next)
+                       if(c->win == w)
+                               return c;
+       return NULL;

 }
 
 unsigned long
 }
 
 unsigned long


@@ -837,6 +863,40 @@ getcolor(const char *colstr) {
        return color.pixel;
 }
 
        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;
 long
 getstate(Window w) {
        int format, status;


@@ -989,19 +1049,19 @@ void
 killclient(const Arg *arg) {
        XEvent ev;
 
 killclient(const Arg *arg) {
        XEvent ev;
 

-       if(!sel)
+       if(!selmon->sel)

                return;
                return;

-       if(isprotodel(sel)) {
+       if(isprotodel(selmon->sel)) {

                ev.type = ClientMessage;
                ev.type = ClientMessage;

-               ev.xclient.window = sel->win;
+               ev.xclient.window = selmon->sel->win;

                ev.xclient.message_type = wmatom[WMProtocols];
                ev.xclient.format = 32;
                ev.xclient.data.l[0] = wmatom[WMDelete];
                ev.xclient.data.l[1] = CurrentTime;
                ev.xclient.message_type = wmatom[WMProtocols];
                ev.xclient.format = 32;
                ev.xclient.data.l[0] = wmatom[WMDelete];
                ev.xclient.data.l[1] = CurrentTime;

-               XSendEvent(dpy, sel->win, False, NoEventMask, &ev);
+               XSendEvent(dpy, selmon->sel->win, False, NoEventMask, &ev);

        }
        else
        }
        else

-               XKillClient(dpy, sel->win);
+               XKillClient(dpy, selmon->sel->win);

 }
 
 void
 }
 
 void


@@ -1015,7 +1075,7 @@ manage(Window w, XWindowAttributes *wa) {
                die("fatal: could not malloc() %u bytes\n", sizeof(Client));
        *c = cz;
        c->win = w;
                die("fatal: could not malloc() %u bytes\n", sizeof(Client));
        *c = cz;
        c->win = w;

-       c->m = selmon;
+       c->mon = selmon;

 
        /* geometry */
        c->x = wa->x;
 
        /* geometry */
        c->x = wa->x;


@@ -1035,8 +1095,8 @@ manage(Window w, XWindowAttributes *wa) {
                        c->y = sy + sh - HEIGHT(c);
                c->x = MAX(c->x, sx);
                /* only fix client y-offset, if the client center might cover the bar */
                        c->y = sy + sh - HEIGHT(c);
                c->x = MAX(c->x, sx);
                /* only fix client y-offset, if the client center might cover the bar */

-               c->y = MAX(c->y, ((selmon->by == 0) && (c->x + (c->w / 2) >= selmon->wx)
-                          && (c->x + (c->w / 2) < selmon->wx + selmon->ww)) ? bh : sy);
+               c->y = MAX(c->y, ((c->mon->by == 0) && (c->x + (c->w / 2) >= c->mon->wx)
+                          && (c->x + (c->w / 2) < c->mon->wx + c->mon->ww)) ? bh : sy);

                c->bw = borderpx;
        }
 
                c->bw = borderpx;
        }
 


@@ -1092,19 +1152,18 @@ void
 monocle(Monitor *m) {
        Client *c;
 
 monocle(Monitor *m) {
        Client *c;
 

-       for(c = nexttiled(m, clients); c; c = nexttiled(m, c->next))
+       for(c = nexttiled(m->clients); c; c = nexttiled(c->next))

                resize(c, m->wx, m->wy, m->ww - 2 * c->bw, m->wh - 2 * c->bw);
 }
 
 void
 movemouse(const Arg *arg) {
                resize(c, m->wx, m->wy, m->ww - 2 * c->bw, m->wh - 2 * c->bw);
 }
 
 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;
        Client *c;

-       Window dummy;
+       Monitor *m;

        XEvent ev;
 
        XEvent ev;
 

-       if(!(c = sel))
+       if(!(c = selmon->sel))

                return;
        restack(selmon);
        ocx = c->x;
                return;
        restack(selmon);
        ocx = c->x;


@@ -1112,7 +1171,8 @@ movemouse(const Arg *arg) {
        if(XGrabPointer(dpy, root, False, MOUSEMASK, GrabModeAsync, GrabModeAsync,
        None, cursor[CurMove], CurrentTime) != GrabSuccess)
                return;
        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) {
        do {
                XMaskEvent(dpy, MOUSEMASK|ExposureMask|SubstructureRedirectMask, &ev);
                switch (ev.type) {


@@ -1145,12 +1205,13 @@ movemouse(const Arg *arg) {
        }
        while(ev.type != ButtonRelease);
        XUngrabPointer(dpy, CurrentTime);
        }
        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 *
 }
 
 Client *

-nexttiled(Monitor *m, Client *c) {
-       // TODO: m handling
-       for(; c && (c->isfloating || !ISVISIBLE(m, c)); c = c->next);
+nexttiled(Client *c) {
+       for(; c && (c->isfloating || !ISVISIBLE(c)); c = c->next);

        return c;
 }
 
        return c;
 }
 


@@ -1182,7 +1243,7 @@ propertynotify(XEvent *e) {
                }
                if(ev->atom == XA_WM_NAME || ev->atom == netatom[NetWMName]) {
                        updatetitle(c);
                }
                if(ev->atom == XA_WM_NAME || ev->atom == netatom[NetWMName]) {
                        updatetitle(c);

-                       if(c == sel)
+                       if(c == selmon->sel)

                                drawbars();
                }
        }
                                drawbars();
                }
        }


@@ -1203,8 +1264,7 @@ resize(Client *c, int x, int y, int w, int h) {
                c->w = wc.width = w;
                c->h = wc.height = h;
                wc.border_width = c->bw;
                c->w = wc.width = w;
                c->h = wc.height = h;
                wc.border_width = c->bw;

-               XConfigureWindow(dpy, c->win,
-                               CWX|CWY|CWWidth|CWHeight|CWBorderWidth, &wc);
+               XConfigureWindow(dpy, c->win, CWX|CWY|CWWidth|CWHeight|CWBorderWidth, &wc);

                configure(c);
                XSync(dpy, False);
        }
                configure(c);
                XSync(dpy, False);
        }


@@ -1215,9 +1275,10 @@ resizemouse(const Arg *arg) {
        int ocx, ocy;
        int nw, nh;
        Client *c;
        int ocx, ocy;
        int nw, nh;
        Client *c;

+       Monitor *m;

        XEvent ev;
 
        XEvent ev;
 

-       if(!(c = sel))
+       if(!(c = selmon->sel))

                return;
        restack(selmon);
        ocx = c->x;
                return;
        restack(selmon);
        ocx = c->x;


@@ -1253,6 +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));
        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
 }
 
 void


@@ -1262,15 +1325,15 @@ restack(Monitor *m) {
        XWindowChanges wc;
 
        drawbars();
        XWindowChanges wc;
 
        drawbars();

-       if(!sel)
+       if(!m->sel)

                return;
                return;

-       if(m == selmon && (sel->isfloating || !lt[m->sellt]->arrange))
-               XRaiseWindow(dpy, sel->win);
+       if(m->sel->isfloating || !lt[m->sellt]->arrange)
+               XRaiseWindow(dpy, m->sel->win);

        if(lt[m->sellt]->arrange) {
                wc.stack_mode = Below;
                wc.sibling = m->barwin;
        if(lt[m->sellt]->arrange) {
                wc.stack_mode = Below;
                wc.sibling = m->barwin;

-               for(c = stack; c; c = c->snext)
-                       if(!c->isfloating && ISVISIBLE(m, c)) {
+               for(c = m->stack; c; c = c->snext)
+                       if(!c->isfloating && ISVISIBLE(c)) {

                                XConfigureWindow(dpy, c->win, CWSibling|CWStackMode, &wc);
                                wc.sibling = c->win;
                        }
                                XConfigureWindow(dpy, c->win, CWSibling|CWStackMode, &wc);
                                wc.sibling = c->win;
                        }


@@ -1317,6 +1380,20 @@ 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};
 void
 setclientstate(Client *c, long state) {
        long data[] = {state, None};


@@ -1331,7 +1408,7 @@ setlayout(const Arg *arg) {
                selmon->sellt ^= 1;
        if(arg && arg->v)
                lt[selmon->sellt] = (Layout *)arg->v;
                selmon->sellt ^= 1;
        if(arg && arg->v)
                lt[selmon->sellt] = (Layout *)arg->v;

-       if(sel)
+       if(selmon->sel)

                arrange();
        else
                drawbars();
                arrange();
        else
                drawbars();


@@ -1408,6 +1485,7 @@ setup(void) {
                        PropModeReplace, (unsigned char *) netatom, NetLast);
 
        /* select for events */
                        PropModeReplace, (unsigned char *) netatom, NetLast);
 
        /* select for events */

+       wa.cursor = cursor[CurNormal];

        wa.event_mask = SubstructureRedirectMask|SubstructureNotifyMask|ButtonPressMask
                        |EnterWindowMask|LeaveWindowMask|StructureNotifyMask
                        |PropertyChangeMask;
        wa.event_mask = SubstructureRedirectMask|SubstructureNotifyMask|ButtonPressMask
                        |EnterWindowMask|LeaveWindowMask|StructureNotifyMask
                        |PropertyChangeMask;


@@ -1421,9 +1499,9 @@ void
 showhide(Client *c) {
        if(!c)
                return;
 showhide(Client *c) {
        if(!c)
                return;

-       if(ISVISIBLE((c->m), c)) { /* show clients top down */
+       if(ISVISIBLE(c)) { /* show clients top down */

                XMoveWindow(dpy, c->win, c->x, c->y);
                XMoveWindow(dpy, c->win, c->x, c->y);

-               if(!lt[c->m->sellt]->arrange || c->isfloating)
+               if(!lt[c->mon->sellt]->arrange || c->isfloating)

                        resize(c, c->x, c->y, c->w, c->h);
                showhide(c->snext);
        }
                        resize(c, c->x, c->y, c->w, c->h);
                showhide(c->snext);
        }


@@ -1455,8 +1533,8 @@ spawn(const Arg *arg) {
 
 void
 tag(const Arg *arg) {
 
 void
 tag(const Arg *arg) {

-       if(sel && arg->ui & TAGMASK) {
-               sel->tags = arg->ui & TAGMASK;
+       if(selmon->sel && arg->ui & TAGMASK) {
+               selmon->sel->tags = arg->ui & TAGMASK;

                arrange();
        }
 }
                arrange();
        }
 }


@@ -1465,12 +1543,14 @@ tag(const Arg *arg) {
 void
 tagmon(const Arg *arg) {
        unsigned int i;
 void
 tagmon(const Arg *arg) {
        unsigned int i;

+       Client *c;

        Monitor *m;
 
        Monitor *m;
 

+       if(!(c = selmon->sel))
+               return;

        for(i = 0, m = mons; m; m = m->next, i++)
                if(i == arg->ui) {
        for(i = 0, m = mons; m; m = m->next, i++)
                if(i == arg->ui) {

-                       sel->m = m;
-                       arrange();
+                       sendmon(c, m);

                        break;
                }
 }
                        break;
                }
 }


@@ -1493,12 +1573,12 @@ tile(Monitor *m) {
        unsigned int i, n;
        Client *c;
 
        unsigned int i, n;
        Client *c;
 

-       for(n = 0, c = nexttiled(m, clients); c; c = nexttiled(m, c->next), n++);
+       for(n = 0, c = nexttiled(m->clients); c; c = nexttiled(c->next), n++);

        if(n == 0)
                return;
 
        /* master */
        if(n == 0)
                return;
 
        /* master */

-       c = nexttiled(m, clients);
+       c = nexttiled(m->clients);

        mw = m->mfact * m->ww;
        resize(c, m->wx, m->wy, (n == 1 ? m->ww : mw) - 2 * c->bw, m->wh - 2 * c->bw);
 
        mw = m->mfact * m->ww;
        resize(c, m->wx, m->wy, (n == 1 ? m->ww : mw) - 2 * c->bw, m->wh - 2 * c->bw);
 


@@ -1513,7 +1593,7 @@ tile(Monitor *m) {
        if(h < bh)
                h = m->wh;
 
        if(h < bh)
                h = m->wh;
 

-       for(i = 0, c = nexttiled(m, c->next); c; c = nexttiled(m, c->next), i++) {
+       for(i = 0, c = nexttiled(c->next); c; c = nexttiled(c->next), i++) {

                resize(c, x, y, w - 2 * c->bw, /* remainder */ ((i + 1 == n)
                       ? m->wy + m->wh - y - 2 * c->bw : h - 2 * c->bw));
                if(h != m->wh)
                resize(c, x, y, w - 2 * c->bw, /* remainder */ ((i + 1 == n)
                       ? m->wy + m->wh - y - 2 * c->bw : h - 2 * c->bw));
                if(h != m->wh)


@@ -1524,18 +1604,18 @@ tile(Monitor *m) {
 void
 togglebar(const Arg *arg) {
        selmon->showbar = !selmon->showbar;
 void
 togglebar(const Arg *arg) {
        selmon->showbar = !selmon->showbar;

-       updategeom();
+       updatebarpos(selmon);

        XMoveResizeWindow(dpy, selmon->barwin, selmon->wx, selmon->by, selmon->ww, bh);
        arrange();
 }
 
 void
 togglefloating(const Arg *arg) {
        XMoveResizeWindow(dpy, selmon->barwin, selmon->wx, selmon->by, selmon->ww, bh);
        arrange();
 }
 
 void
 togglefloating(const Arg *arg) {

-       if(!sel)
+       if(!selmon->sel)

                return;
                return;

-       sel->isfloating = !sel->isfloating || sel->isfixed;
-       if(sel->isfloating)
-               resize(sel, sel->x, sel->y, sel->w, sel->h);
+       selmon->sel->isfloating = !selmon->sel->isfloating || selmon->sel->isfixed;
+       if(selmon->sel->isfloating)
+               resize(selmon->sel, selmon->sel->x, selmon->sel->y, selmon->sel->w, selmon->sel->h);

        arrange();
 }
 
        arrange();
 }
 


@@ -1543,12 +1623,12 @@ void
 toggletag(const Arg *arg) {
        unsigned int mask;
 
 toggletag(const Arg *arg) {
        unsigned int mask;
 

-       if(!sel)
+       if(!selmon->sel)

                return;
        
                return;
        

-       mask = sel->tags ^ (arg->ui & TAGMASK);
+       mask = selmon->sel->tags ^ (arg->ui & TAGMASK);

        if(mask) {
        if(mask) {

-               sel->tags = mask;
+               selmon->sel->tags = mask;

                arrange();
        }
 }
                arrange();
        }
 }


@@ -1563,6 +1643,15 @@ toggleview(const Arg *arg) {
        }
 }
 
        }
 }
 

+void
+unfocus(Client *c) {
+       if(!c)
+               return;
+       grabbuttons(c, False);
+       XSetWindowBorder(dpy, c->win, dc.norm[ColBorder]);
+       XSetInputFocus(dpy, root, RevertToPointerRoot, CurrentTime);
+}
+

 void
 unmanage(Client *c) {
        XWindowChanges wc;
 void
 unmanage(Client *c) {
        XWindowChanges wc;


@@ -1574,8 +1663,13 @@ unmanage(Client *c) {
        XConfigureWindow(dpy, c->win, CWBorderWidth, &wc); /* restore border */
        detach(c);
        detachstack(c);
        XConfigureWindow(dpy, c->win, CWBorderWidth, &wc); /* restore border */
        detach(c);
        detachstack(c);

-       if(sel == c)
+       if(c->mon->sel == c) {
+               /* TODO: consider separate the next code into a function or into detachstack? */
+               Client *tc;
+               for(tc = c->mon->stack; tc && !ISVISIBLE(tc); tc = tc->snext);
+               c->mon->sel = tc;

                focus(NULL);
                focus(NULL);

+       }

        XUngrabButton(dpy, AnyButton, AnyModifier, c->win);
        setclientstate(c, WithdrawnState);
        free(c);
        XUngrabButton(dpy, AnyButton, AnyModifier, c->win);
        setclientstate(c, WithdrawnState);
        free(c);


@@ -1599,7 +1693,6 @@ updatebars(void) {
        Monitor *m;
        XSetWindowAttributes wa;
 
        Monitor *m;
        XSetWindowAttributes wa;
 

-       wa.cursor = cursor[CurNormal];

        wa.override_redirect = True;
        wa.background_pixmap = ParentRelative;
        wa.event_mask = ButtonPressMask|ExposureMask;
        wa.override_redirect = True;
        wa.background_pixmap = ParentRelative;
        wa.event_mask = ButtonPressMask|ExposureMask;


@@ -1614,13 +1707,28 @@ updatebars(void) {
        }
 }
 
        }
 }
 

+void
+updatebarpos(Monitor *m) {
+       m->wy = m->my;
+       m->wh = m->mh;
+       if(m->showbar) {
+               m->wh -= bh;
+               m->by = m->topbar ? m->wy : m->wy + m->wh;
+               m->wy = m->topbar ? m->wy + bh : m->wy;
+       }
+       else
+               m->by = -bh;
+}
+

 void
 updategeom(void) {
 void
 updategeom(void) {

-       int i, n;
+       int i, n = 1;

        Client *c;
        Client *c;

-       Monitor *newmons = NULL, *m;
+       Monitor *newmons = NULL, *m, *tm;

 
 

-#ifdef XINERAMA
+#ifdef XINULATOR
+       n = 2;
+#elif defined(XINERAMA)

        XineramaScreenInfo *info = NULL;
 
        if(XineramaIsActive(dpy))
        XineramaScreenInfo *info = NULL;
 
        if(XineramaIsActive(dpy))


@@ -1634,14 +1742,30 @@ updategeom(void) {
        }
 
        /* initialise monitor(s) */
        }
 
        /* initialise monitor(s) */

-#ifdef XINERAMA
+#ifdef XINULATOR
+       if(1) {
+               m = newmons;
+               m->screen_number = 0;
+               m->wx = sx;
+               m->my = m->wy = sy;
+               m->ww = sw;
+               m->mh = m->wh = sh / 2;
+               m = newmons->next;
+               m->screen_number = 1;
+               m->wx = sx;
+               m->my = m->wy = sy + sh / 2;
+               m->ww = sw;
+               m->mh = m->wh = sh / 2;
+       }
+       else
+#elif defined(XINERAMA)

        if(XineramaIsActive(dpy)) {
                for(i = 0, m = newmons; m; m = m->next, i++) {
                        m->screen_number = info[i].screen_number;
                        m->wx = info[i].x_org;
        if(XineramaIsActive(dpy)) {
                for(i = 0, m = newmons; m; m = m->next, i++) {
                        m->screen_number = info[i].screen_number;
                        m->wx = info[i].x_org;

-                       m->wy = info[i].y_org;
+                       m->my = m->wy = info[i].y_org;

                        m->ww = info[i].width;
                        m->ww = info[i].width;

-                       m->wh = info[i].height;
+                       m->mh = m->wh = info[i].height;

                }
                XFree(info);
        }
                }
                XFree(info);
        }


@@ -1651,55 +1775,41 @@ updategeom(void) {
        {
                m->screen_number = 0;
                m->wx = sx;
        {
                m->screen_number = 0;
                m->wx = sx;

-               m->wy = sy;
+               m->my = m->wy = sy;

                m->ww = sw;
                m->ww = sw;

-               m->wh = sh;
+               m->mh = m->wh = sh;

        }
 
        /* bar geometry setup */
        for(m = newmons; m; m = m->next) {
                /* TODO: consider removing the following values from config.h */
        }
 
        /* bar geometry setup */
        for(m = newmons; m; m = m->next) {
                /* TODO: consider removing the following values from config.h */

+               m->clients = NULL;
+               m->sel = NULL;
+               m->stack = NULL;

                m->seltags = 0;
                m->sellt = 0;
                m->tagset[0] = m->tagset[1] = 1;
                m->mfact = mfact;
                m->showbar = showbar;
                m->topbar = topbar;
                m->seltags = 0;
                m->sellt = 0;
                m->tagset[0] = m->tagset[1] = 1;
                m->mfact = mfact;
                m->showbar = showbar;
                m->topbar = topbar;

-               if(m->showbar) {
-                       m->wh -= bh;
-                       m->by = m->topbar ? m->wy : m->wy + m->wh;
-                       m->wy = m->topbar ? m->wy + bh : m->wy;
-               }
-               else
-                       m->by = -bh;
-               /* reassign all clients with same screen number */
-               for(c = clients; c; c = c->next)
-                       if(c->m->screen_number == m->screen_number)
-                               c->m = m;
+               updatebarpos(m);

        }
 
        }
 

-       /* reassign left over clients with disappeared screen number */
-       for(c = clients; c; c = c->next)
-               if(c->m->screen_number >= n)
-                       c->m = newmons;
+       /* reassign left over clients of disappeared monitors */
+       for(tm = mons; tm; tm = tm->next)
+               while(tm->clients) {
+                       c = tm->clients;
+                       tm->clients = c->next;
+                       detachstack(c);
+                       c->mon = newmons;
+                       attach(c);
+                       attachstack(c);
+               }

 
        /* select focused monitor */
 
        /* select focused monitor */

-       if(!selmon) {
-               selmon = newmons;
-               int di, x, y;
-               unsigned int dui;
-               Window dummy;
-               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;
        cleanupmons();
        mons = newmons;

+       selmon = getmonitor(root);

 }
 
 void
 }
 
 void


@@ -1774,7 +1884,7 @@ updatetitle(Client *c) {
 }
 
 void
 }
 
 void

-updatestatus() {
+updatestatus(void) {

        if(!gettextprop(root, XA_WM_NAME, stext, sizeof(stext)))
                strcpy(stext, "dwm-"VERSION);
        drawbar(selmon);
        if(!gettextprop(root, XA_WM_NAME, stext, sizeof(stext)))
                strcpy(stext, "dwm-"VERSION);
        drawbar(selmon);


@@ -1785,7 +1895,7 @@ updatewmhints(Client *c) {
        XWMHints *wmh;
 
        if((wmh = XGetWMHints(dpy, c->win))) {
        XWMHints *wmh;
 
        if((wmh = XGetWMHints(dpy, c->win))) {

-               if(c == sel && wmh->flags & XUrgencyHint) {
+               if(c == selmon->sel && wmh->flags & XUrgencyHint) {

                        wmh->flags &= ~XUrgencyHint;
                        XSetWMHints(dpy, c->win, wmh);
                }
                        wmh->flags &= ~XUrgencyHint;
                        XSetWMHints(dpy, c->win, wmh);
                }


@@ -1841,12 +1951,12 @@ xerrorstart(Display *dpy, XErrorEvent *ee) {
 
 void
 zoom(const Arg *arg) {
 
 void
 zoom(const Arg *arg) {

-       Client *c = sel;
+       Client *c = selmon->sel;

 
 

-       if(!lt[selmon->sellt]->arrange || lt[selmon->sellt]->arrange == monocle || (sel && sel->isfloating))
+       if(!lt[selmon->sellt]->arrange || lt[selmon->sellt]->arrange == monocle || (selmon->sel && selmon->sel->isfloating))

                return;
                return;

-       if(c == nexttiled(selmon, clients))
-               if(!c || !(c = nexttiled(selmon, c->next)))
+       if(c == nexttiled(selmon->clients))
+               if(!c || !(c = nexttiled(c->next)))

                        return;
        detach(c);
        attach(c);
                        return;
        detach(c);
        attach(c);