reverted to old updategeom() after several complains, we need to optimize the old way
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anselm@garbe.us
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606b44179d
commit
940feed314
@ -1,5 +1,5 @@
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# dwm version
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VERSION = 6.1
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VERSION = 6.0-tip
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# Customize below to fit your system
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71
dwm.c
71
dwm.c
@ -236,7 +236,7 @@ static void toggleview(const Arg *arg);
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static void unfocus(Client *c, Bool setfocus);
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static void unmanage(Client *c, Bool destroyed);
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static void unmapnotify(XEvent *e);
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static void updategeom(void);
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static Bool updategeom(void);
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static void updatebarpos(Monitor *m);
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static void updatebars(void);
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static void updateclientlist(void);
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@ -574,10 +574,14 @@ void
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configurenotify(XEvent *e) {
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Monitor *m;
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XConfigureEvent *ev = &e->xconfigure;
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Bool dirty;
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// TODO: updategeom handling sucks, needs to be simplified
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if(ev->window == root) {
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dirty = (sw != ev->width || sh != ev->height);
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sw = ev->width;
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sh = ev->height;
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if(updategeom() || dirty) {
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if(dc.drawable != 0)
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XFreePixmap(dpy, dc.drawable);
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dc.drawable = XCreatePixmap(dpy, root, sw, bh, DefaultDepth(dpy, screen));
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@ -588,6 +592,7 @@ configurenotify(XEvent *e) {
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arrange(NULL);
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}
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}
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}
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void
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configurerequest(XEvent *e) {
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@ -1072,8 +1077,8 @@ initfont(const char *fontstr) {
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static Bool
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isuniquegeom(XineramaScreenInfo *unique, size_t n, XineramaScreenInfo *info) {
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while(n--)
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/* treat origin (x, y) as fixpoint for uniqueness only, first screen wins */
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if(unique[n].x_org == info->x_org && unique[n].y_org == info->y_org)
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if(unique[n].x_org == info->x_org && unique[n].y_org == info->y_org
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&& unique[n].width == info->width && unique[n].height == info->height)
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return False;
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return True;
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}
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@ -1883,37 +1888,41 @@ updateclientlist() {
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(unsigned char *) &(c->win), 1);
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}
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void
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Bool
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updategeom(void) {
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/* Starting with dwm 6.1 this function uses a new (simpler) strategy:
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* whenever screen changes are reported, we destroy all monitors
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* and recreate all unique origin monitors and add all clients to
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* the first monitor, only. In several circumstances this may suck,
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* but dealing with all corner-cases sucks even more.*/
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Bool dirty = False;
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#ifdef XINERAMA
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if(XineramaIsActive(dpy)) {
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int i, j, n;
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int i, j, n, nn;
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Client *c;
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Monitor *m, *oldmons = mons;
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XineramaScreenInfo *info = XineramaQueryScreens(dpy, &n);
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Monitor *m;
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XineramaScreenInfo *info = XineramaQueryScreens(dpy, &nn);
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XineramaScreenInfo *unique = NULL;
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for(n = 0, m = mons; m; m = m->next, n++);
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/* only consider unique geometries as separate screens */
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if(!(unique = (XineramaScreenInfo *)malloc(sizeof(XineramaScreenInfo) * n)))
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die("fatal: could not malloc() %u bytes\n", sizeof(XineramaScreenInfo) * n);
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for(i = 0, j = 0; i < n; i++)
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if(!(unique = (XineramaScreenInfo *)malloc(sizeof(XineramaScreenInfo) * nn)))
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die("fatal: could not malloc() %u bytes\n", sizeof(XineramaScreenInfo) * nn);
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for(i = 0, j = 0; i < nn; i++)
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if(isuniquegeom(unique, j, &info[i]))
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memcpy(&unique[j++], &info[i], sizeof(XineramaScreenInfo));
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XFree(info);
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/* create new monitor structure */
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n = j;
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mons = m = createmon(); /* new first monitor */
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for(i = 1; i < n; i++) {
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nn = j;
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if(n <= nn) {
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for(i = 0; i < (nn - n); i++) { /* new monitors available */
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for(m = mons; m && m->next; m = m->next);
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if(m)
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m->next = createmon();
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m = m->next;
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else
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mons = createmon();
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}
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for(i = 0, m = mons; i < n && m; m = m->next, i++) {
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for(i = 0, m = mons; i < nn && m; m = m->next, i++)
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if(i >= n
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|| (unique[i].x_org != m->mx || unique[i].y_org != m->my
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|| unique[i].width != m->mw || unique[i].height != m->mh))
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{
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dirty = True;
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m->num = i;
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m->mx = m->wx = unique[i].x_org;
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m->my = m->wy = unique[i].y_org;
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@ -1921,11 +1930,12 @@ updategeom(void) {
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m->mh = m->wh = unique[i].height;
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updatebarpos(m);
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}
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free(unique);
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/* re-attach old clients and cleanup old monitor structure */
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while(oldmons) {
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m = oldmons;
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}
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else { /* less monitors available nn < n */
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for(i = nn; i < n; i++) {
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for(m = mons; m && m->next; m = m->next);
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while(m->clients) {
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dirty = True;
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c = m->clients;
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m->clients = c->next;
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detachstack(c);
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@ -1933,25 +1943,32 @@ updategeom(void) {
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attach(c);
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attachstack(c);
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}
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oldmons = m->next;
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if(m == selmon)
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selmon = mons;
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cleanupmon(m);
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}
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}
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free(unique);
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}
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else
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#endif /* XINERAMA */
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/* default monitor setup */
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{
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if(!mons) /* only true if !XINERAMA compile flag */
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if(!mons)
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mons = createmon();
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if(mons->mw != sw || mons->mh != sh) {
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dirty = True;
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mons->mw = mons->ww = sw;
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mons->mh = mons->wh = sh;
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updatebarpos(mons);
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}
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}
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if(dirty) {
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selmon = mons;
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selmon = wintomon(root);
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}
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return dirty;
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}
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void
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updatenumlockmask(void) {
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