t* dwm + patches
       
   URI git clone git://git.codevoid.de/dwm-sdk
   DIR Log
   DIR Files
   DIR Refs
   DIR README
   DIR LICENSE
       ---
   DIR commit 78f56672b5164f2d8f7ecabc3be0a9bbe0ae98bf
   DIR parent c2fff604a760d271c7e9311c2927954e87ac3a6e
   URI Author: Anselm R Garbe <garbeam@gmail.com>
       Date:   Mon, 22 Jun 2009 14:58:08 +0100
       
       changes monitor structure to be a list
       Diffstat:
         M dwm.c                               |     302 +++++++++++++++++--------------
       
       1 file changed, 169 insertions(+), 133 deletions(-)
       ---
   DIR diff --git a/dwm.c b/dwm.c
       t@@ -44,7 +44,7 @@
        #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 ISVISIBLE(M, C)         ((M) == (&mon[C->mon]) && (C->tags & M->tagset[M->seltags]))
       +#define ISVISIBLE(M, C)         ((M) == (C->m) && (C->tags & M->tagset[M->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))
       t@@ -77,6 +77,7 @@ typedef struct {
                const Arg arg;
        } Button;
        
       +typedef struct Monitor Monitor;
        typedef struct Client Client;
        struct Client {
                char name[256];
       t@@ -85,10 +86,10 @@ struct Client {
                int basew, baseh, incw, inch, maxw, maxh, minw, minh;
                int bw, oldbw;
                unsigned int tags;
       -        unsigned int mon;
                Bool isfixed, isfloating, isurgent;
                Client *next;
                Client *snext;
       +        Monitor *m;
                Window win;
        };
        
       t@@ -115,7 +116,12 @@ typedef struct {
        } Key;
        
        typedef struct {
       -        char symbol[4];
       +        const char *symbol;
       +        void (*arrange)(Monitor *);
       +} Layout;
       +
       +struct Monitor {
       +        int screen_number;
                float mfact;
                int by, btx;          /* bar geometry */
                int wx, wy, ww, wh;   /* window area  */
       t@@ -125,12 +131,8 @@ typedef struct {
                Bool showbar;
                Bool topbar;
                Window barwin;
       -} Monitor;
       -
       -typedef struct {
       -        const char *symbol;
       -        void (*arrange)(Monitor *);
       -} Layout;
       +        Monitor *next;
       +};
        
        typedef struct {
                const char *class;
       t@@ -149,6 +151,7 @@ static void attachstack(Client *c);
        static void buttonpress(XEvent *e);
        static void checkotherwm(void);
        static void cleanup(void);
       +static void cleanupmons(void);
        static void clearurgent(Client *c);
        static void configure(Client *c);
        static void configurenotify(XEvent *e);
       t@@ -206,6 +209,7 @@ static void toggleview(const Arg *arg);
        static void unmanage(Client *c);
        static void unmapnotify(XEvent *e);
        static void updategeom(void);
       +static void updatebars(void);
        static void updatenumlockmask(void);
        static void updatesizehints(Client *c);
        static void updatestatus(void);
       t@@ -252,8 +256,7 @@ static Cursor cursor[CurLast];
        static Display *dpy;
        static DC dc;
        static Layout *lt[] = { NULL, NULL };
       -static Monitor *mon = NULL, *selmon = NULL;
       -static unsigned int nmons = 0;
       +static Monitor *mons = NULL, *selmon = NULL;
        static Window root;
        /* configuration, allows nested code to access above variables */
        #include "config.h"
       t@@ -285,7 +288,7 @@ applyrules(Client *c) {
                        if(ch.res_name)
                                XFree(ch.res_name);
                }
       -        c->tags = c->tags & TAGMASK ? c->tags & TAGMASK : mon[c->mon].tagset[mon[c->mon].seltags];
       +        c->tags = c->tags & TAGMASK ? c->tags & TAGMASK : c->m->tagset[c->m->seltags];
        }
        
        Bool
       t@@ -355,13 +358,14 @@ applysizehints(Client *c, int *x, int *y, int *w, int *h) {
        
        void
        arrange(void) {
       -        unsigned int i;
       +        Monitor *m;
       +
                showhide(stack);
                focus(NULL);
       -        for(i = 0; i < nmons; i++) {
       -                if(lt[mon[i].sellt]->arrange)
       -                        lt[mon[i].sellt]->arrange(&mon[i]);
       -                restack(&mon[i]);
       +        for(m = mons; m; m = m->next) {
       +                if(lt[m->sellt]->arrange)
       +                        lt[m->sellt]->arrange(m);
       +                restack(m);
                }
        }
        
       t@@ -429,7 +433,6 @@ checkotherwm(void) {
        
        void
        cleanup(void) {
       -        unsigned int i;
                Arg a = {.ui = ~0};
                Layout foo = { "", NULL };
        
       t@@ -447,14 +450,25 @@ cleanup(void) {
                XFreeCursor(dpy, cursor[CurNormal]);
                XFreeCursor(dpy, cursor[CurResize]);
                XFreeCursor(dpy, cursor[CurMove]);
       -        for(i = 0; i < nmons; i++)
       -                XDestroyWindow(dpy, mon[i].barwin);
       -        free(mon);
       +        cleanupmons();
                XSync(dpy, False);
                XSetInputFocus(dpy, PointerRoot, RevertToPointerRoot, CurrentTime);
        }
        
        void
       +cleanupmons(void) {
       +        Monitor *m;
       +
       +        while(mons) {
       +                m = mons->next;
       +                XUnmapWindow(dpy, mons->barwin);
       +                XDestroyWindow(dpy, mons->barwin);
       +                free(mons);
       +                mons = m;
       +        }
       +}
       +
       +void
        clearurgent(Client *c) {
                XWMHints *wmh;
        
       t@@ -486,7 +500,7 @@ configure(Client *c) {
        
        void
        configurenotify(XEvent *e) {
       -        unsigned int i;
       +        Monitor *m;
                XConfigureEvent *ev = &e->xconfigure;
        
                if(ev->window == root && (ev->width != sw || ev->height != sh)) {
       t@@ -496,8 +510,9 @@ configurenotify(XEvent *e) {
                        if(dc.drawable != 0)
                                XFreePixmap(dpy, dc.drawable);
                        dc.drawable = XCreatePixmap(dpy, root, sw, bh, DefaultDepth(dpy, screen));
       -                for(i = 0; i < nmons; i++)
       -                        XMoveResizeWindow(dpy, mon[i].barwin, mon[i].wx, mon[i].by, mon[i].ww, bh);
       +                updatebars();
       +                for(m = mons; m; m = m->next)
       +                        XMoveResizeWindow(dpy, m->barwin, m->wx, m->by, m->ww, bh);
                        arrange();
                }
        }
       t@@ -526,7 +541,7 @@ 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);
       -                        if(ISVISIBLE((&mon[c->mon]), c))
       +                        if(ISVISIBLE((c->m), c))
                                        XMoveResizeWindow(dpy, c->win, c->x, c->y, c->w, c->h);
                        }
                        else
       t@@ -588,7 +603,7 @@ drawbar(Monitor *m) {
                Client *c;
        
                for(c = clients; c; c = c->next) {
       -                if(m == &mon[c->mon]) {
       +                if(m == c->m) {
                                occ |= c->tags;
                                if(c->isurgent)
                                        urg |= c->tags;
       t@@ -598,9 +613,11 @@ drawbar(Monitor *m) {
                dc.x = 0;
        #ifdef XINERAMA
                {
       +                /*
                        dc.w = TEXTW(m->symbol);
       -                drawtext(m->symbol, selmon == m ? dc.sel : dc.norm, False);
       +                drawtext(NULL, selmon == m ? dc.sel : dc.norm, False);
                        dc.x += dc.w;
       +                */
                }
        #endif /* XINERAMA */
                m->btx = dc.x;
       t@@ -648,10 +665,10 @@ drawbar(Monitor *m) {
        
        void
        drawbars() {
       -        unsigned int i;
       +        Monitor *m;
        
       -        for(i = 0; i < nmons; i++)
       -                drawbar(&mon[i]);
       +        for(m = mons; m; m = m->next)
       +                drawbar(m);
        }
        
        void
       t@@ -718,20 +735,20 @@ enternotify(XEvent *e) {
        
        void
        expose(XEvent *e) {
       -        unsigned int i;
       +        Monitor *m;
                XExposeEvent *ev = &e->xexpose;
        
                if(ev->count == 0)
       -                for(i = 0; i < nmons; i++)
       -                        if(ev->window == mon[i].barwin) {
       -                                drawbar(&mon[i]);
       +                for(m = mons; m; m = m->next)
       +                        if(ev->window == m->barwin) {
       +                                drawbar(m);
                                        break;
                                }
        }
        
        void
        focus(Client *c) {
       -        if(!c || !ISVISIBLE((&mon[c->mon]), c))
       +        if(!c || !ISVISIBLE((c->m), c))
                        for(c = stack; c && !ISVISIBLE(selmon, c); c = c->snext);
                if(sel && sel != c) {
                        grabbuttons(sel, False);
       t@@ -763,11 +780,16 @@ focusin(XEvent *e) { /* there are some broken focus acquiring clients */
        #ifdef XINERAMA
        void
        focusmon(const Arg *arg) {
       -        if(arg->ui >= nmons)
       -                return;
       -        selmon = &mon[arg->ui];
       -        focus(NULL);
       -        drawbars();
       +        unsigned int i;
       +        Monitor *m; 
       +
       +        for(i = 0, m = mons; m; m = m->next, i++)
       +                if(i == arg->ui) {
       +                        selmon = m;
       +                        focus(NULL);
       +                        drawbars();
       +                        break;
       +                }
        }
        #endif /* XINERAMA */
        
       t@@ -993,7 +1015,7 @@ manage(Window w, XWindowAttributes *wa) {
                        die("fatal: could not malloc() %u bytes\n", sizeof(Client));
                *c = cz;
                c->win = w;
       -        for(c->mon = 0; selmon != &mon[c->mon]; c->mon++);
       +        c->m = selmon;
        
                /* geometry */
                c->x = wa->x;
       t@@ -1356,7 +1378,7 @@ setup(void) {
                netatom[NetWMName] = XInternAtom(dpy, "_NET_WM_NAME", False);
        
                /* init cursors */
       -        wa.cursor = cursor[CurNormal] = XCreateFontCursor(dpy, XC_left_ptr);
       +        cursor[CurNormal] = XCreateFontCursor(dpy, XC_left_ptr);
                cursor[CurResize] = XCreateFontCursor(dpy, XC_sizing);
                cursor[CurMove] = XCreateFontCursor(dpy, XC_fleur);
        
       t@@ -1374,22 +1396,11 @@ setup(void) {
                        XSetFont(dpy, dc.gc, dc.font.xfont->fid);
        
                /* init bars */
       -        wa.override_redirect = True;
       -        wa.background_pixmap = ParentRelative;
       -        wa.event_mask = ButtonPressMask|ExposureMask;
                for(blw = i = 0; LENGTH(layouts) > 1 && i < LENGTH(layouts); i++) {
                        w = TEXTW(layouts[i].symbol);
                        blw = MAX(blw, w);
                }
       -
       -        for(i = 0; i < nmons; i++) {
       -                mon[i].barwin = XCreateWindow(dpy, root, mon[i].wx, mon[i].by, mon[i].ww, bh, 0, DefaultDepth(dpy, screen),
       -
       -                                              CopyFromParent, DefaultVisual(dpy, screen),
       -                                              CWOverrideRedirect|CWBackPixmap|CWEventMask, &wa);
       -                XDefineCursor(dpy, mon[i].barwin, cursor[CurNormal]);
       -                XMapRaised(dpy, mon[i].barwin);
       -        }
       +        updatebars();
                updatestatus();
        
                /* EWMH support per view */
       t@@ -1410,9 +1421,9 @@ void
        showhide(Client *c) {
                if(!c)
                        return;
       -        if(ISVISIBLE((&mon[c->mon]), c)) { /* show clients top down */
       +        if(ISVISIBLE((c->m), c)) { /* show clients top down */
                        XMoveWindow(dpy, c->win, c->x, c->y);
       -                if(!lt[mon[c->mon].sellt]->arrange || c->isfloating)
       +                if(!lt[c->m->sellt]->arrange || c->isfloating)
                                resize(c, c->x, c->y, c->w, c->h);
                        showhide(c->snext);
                }
       t@@ -1453,10 +1464,15 @@ tag(const Arg *arg) {
        #ifdef XINERAMA
        void
        tagmon(const Arg *arg) {
       -        if(!sel || arg->ui >= nmons)
       -                return;
       -        sel->mon = arg->ui;
       -        arrange();
       +        unsigned int i;
       +        Monitor *m;
       +
       +        for(i = 0, m = mons; m; m = m->next, i++)
       +                if(i == arg->ui) {
       +                        sel->m = m;
       +                        arrange();
       +                        break;
       +                }
        }
        #endif /* XINERAMA */
        
       t@@ -1579,91 +1595,111 @@ unmapnotify(XEvent *e) {
        }
        
        void
       +updatebars(void) {
       +        Monitor *m;
       +        XSetWindowAttributes wa;
       +
       +        wa.cursor = cursor[CurNormal];
       +        wa.override_redirect = True;
       +        wa.background_pixmap = ParentRelative;
       +        wa.event_mask = ButtonPressMask|ExposureMask;
       +
       +        for(m = mons; m; m = m->next) {
       +                m->barwin = XCreateWindow(dpy, root, m->wx, m->by, m->ww, bh, 0, DefaultDepth(dpy, screen),
       +
       +                                          CopyFromParent, DefaultVisual(dpy, screen),
       +                                          CWOverrideRedirect|CWBackPixmap|CWEventMask, &wa);
       +                XDefineCursor(dpy, m->barwin, cursor[CurNormal]);
       +                XMapRaised(dpy, m->barwin);
       +        }
       +}
       +
       +void
        updategeom(void) {
       -#ifdef XINERAMA
       -        int n;
       -        unsigned int i = 0;
       +        int i, n;
                Client *c;
       +        Monitor *newmons = NULL, *m;
       +
       +#ifdef XINERAMA
                XineramaScreenInfo *info = NULL;
        
       -        /* window area geometry */
       -        if(XineramaIsActive(dpy) && (info = XineramaQueryScreens(dpy, &n))) {
       -                if(n != nmons) {
       -                        for(c = clients; c; c = c->next)
       -                                if(c->mon >= n)
       -                                        c->mon = n - 1;
       -                        if(!(mon = (Monitor *)realloc(mon, sizeof(Monitor) * n)))
       -                                die("fatal: could not realloc() %u bytes\n", sizeof(Monitor) * nmons);
       -                        selmon = NULL;
       -                }
       -                for(i = 0; i < n ; i++) {
       -                        /* TODO: consider re-using XineramaScreenInfo */
       -                        mon[i].symbol[0] = '[';
       -                        mon[i].symbol[1] = '0' + info[i].screen_number;
       -                        mon[i].symbol[2] = ']';
       -                        mon[i].symbol[3] = 0;
       -                        if(!selmon) { /* not initialised yet */
       -                                mon[i].mfact = mfact;
       -                                mon[i].showbar = showbar;
       -                                mon[i].topbar = topbar;
       -                                mon[i].tagset[0] = mon[i].tagset[1] = 1;
       -                        }
       -                        mon[i].wx = info[i].x_org;
       -                        mon[i].wy = mon[i].showbar && mon[i].topbar ? info[i].y_org + bh : info[i].y_org;
       -                        mon[i].ww = info[i].width;
       -                        mon[i].wh = mon[i].showbar ? info[i].height - bh : info[i].height;
       -                        mon[i].seltags = 0;
       -                        mon[i].sellt = 0;
       -                        if(mon[i].showbar)
       -                                mon[i].by = mon[i].topbar ? info[i].y_org : mon[i].wy + mon[i].wh;
       -                        else
       -                                mon[i].by = -bh;
       -                }
       -                nmons = (unsigned int)n;
       -                if(!selmon) {
       -                        selmon = &mon[0];
       -                        int di, x, y;
       -                        unsigned int dui;
       -                        Window dummy;
       -                        if(XQueryPointer(dpy, root, &dummy, &dummy, &x, &y, &di, &di, &dui)) 
       -                                for(i = 0; i < nmons; i++)
       -                                        if(INRECT(x, y, info[i].x_org, info[i].y_org, info[i].width, info[i].height)) {
       -                                                selmon = &mon[i];
       -                                                break;
       -                                        }
       +        if(XineramaIsActive(dpy))
       +                info = XineramaQueryScreens(dpy, &n);
       +#endif
       +        /* allocate monitor(s) for the new geometry setup */
       +        for(i = 0; i < n; i++) {
       +                m = (Monitor *)malloc(sizeof(Monitor));
       +                m->next = newmons;
       +                newmons = m;
       +        }
       +
       +        /* initialise monitor(s) */
       +#ifdef 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;
       +                        m->wy = info[i].y_org;
       +                        m->ww = info[i].width;
       +                        m->wh = info[i].height;
                        }
                        XFree(info);
                }
                else
       -#endif /* XINERAMA */
       +#endif
       +        /* default monitor setup */
                {
       -                if(!mon) {
       -                        nmons = 1;
       -                        if(!(mon = (Monitor *)malloc(sizeof(Monitor))))
       -                                die("fatal: could not malloc() %u bytes\n", sizeof(Monitor));
       -                }
       -                if(!selmon) {
       -                        mon[0].symbol[0] = '[';
       -                        mon[0].symbol[1] = '0';
       -                        mon[0].symbol[2] = ']';
       -                        mon[0].symbol[3] = 0;
       -                        mon[0].mfact = mfact;
       -                        mon[0].showbar = showbar;
       -                        mon[0].topbar = topbar;
       -                        mon[0].tagset[0] = mon[0].tagset[1] = 1;
       +                m->screen_number = 0;
       +                m->wx = sx;
       +                m->wy = sy;
       +                m->ww = sw;
       +                m->wh = sh;
       +        }
       +
       +        /* bar geometry setup */
       +        for(m = newmons; m; m = m->next) {
       +                /* TODO: consider removing the following values from config.h */
       +                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;
                        }
       -                mon[0].wx = sx;
       -                mon[0].wy = mon[0].showbar && mon[0].topbar ? sy + bh : sy;
       -                mon[0].ww = sw;
       -                mon[0].wh = mon[0].showbar ? sh - bh : sh;
       -                mon[0].seltags = 0;
       -                mon[0].sellt = 0;
       -                if(mon[0].showbar)
       -                        mon[0].by = mon[0].topbar ? sy : mon[0].wy + mon[0].wh;
                        else
       -                        mon[0].by = -bh;
       -                selmon = &mon[0];
       +                        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;
       +        }
       +
       +        /* reassign left over clients with disappeared screen number */
       +        for(c = clients; c; c = c->next)
       +                if(c->m->screen_number >= n)
       +                        c->m = newmons;
       +
       +        /* 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;
        }
        
        void