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-rw-r--r--dwm.c123
1 files changed, 70 insertions, 53 deletions
diff --git a/dwm.c b/dwm.c
index 6b39519..45191e9 100644
--- a/dwm.c
+++ b/dwm.c
@@ -236,7 +236,7 @@ static void toggleview(const Arg *arg);
static void unfocus(Client *c, Bool setfocus);
static void unmanage(Client *c, Bool destroyed);
static void unmapnotify(XEvent *e);
-static void updategeom(void);
+static Bool updategeom(void);
static void updatebarpos(Monitor *m);
static void updatebars(void);
static void updateclientlist(void);
@@ -574,18 +574,23 @@ void
configurenotify(XEvent *e) {
Monitor *m;
XConfigureEvent *ev = &e->xconfigure;
+ Bool dirty;
+ // TODO: updategeom handling sucks, needs to be simplified
if(ev->window == root) {
+ dirty = (sw != ev->width || sh != ev->height);
sw = ev->width;
sh = ev->height;
- if(dc.drawable != 0)
- XFreePixmap(dpy, dc.drawable);
- dc.drawable = XCreatePixmap(dpy, root, sw, bh, DefaultDepth(dpy, screen));
- updatebars();
- for(m = mons; m; m = m->next)
- XMoveResizeWindow(dpy, m->barwin, m->wx, m->by, m->ww, bh);
- focus(NULL);
- arrange(NULL);
+ if(updategeom() || dirty) {
+ if(dc.drawable != 0)
+ XFreePixmap(dpy, dc.drawable);
+ dc.drawable = XCreatePixmap(dpy, root, sw, bh, DefaultDepth(dpy, screen));
+ updatebars();
+ for(m = mons; m; m = m->next)
+ XMoveResizeWindow(dpy, m->barwin, m->wx, m->by, m->ww, bh);
+ focus(NULL);
+ arrange(NULL);
+ }
}
}
@@ -1072,8 +1077,8 @@ initfont(const char *fontstr) {
static Bool
isuniquegeom(XineramaScreenInfo *unique, size_t n, XineramaScreenInfo *info) {
while(n--)
- /* treat origin (x, y) as fixpoint for uniqueness only, first screen wins */
- if(unique[n].x_org == info->x_org && unique[n].y_org == info->y_org)
+ if(unique[n].x_org == info->x_org && unique[n].y_org == info->y_org
+ && unique[n].width == info->width && unique[n].height == info->height)
return False;
return True;
}
@@ -1883,74 +1888,86 @@ updateclientlist() {
(unsigned char *) &(c->win), 1);
}
-void
+Bool
updategeom(void) {
- /* Starting with dwm 6.1 this function uses a new (simpler) strategy:
- * whenever screen changes are reported, we destroy all monitors
- * and recreate all unique origin monitors and add all clients to
- * the first monitor, only. In several circumstances this may suck,
- * but dealing with all corner-cases sucks even more.*/
+ Bool dirty = False;
#ifdef XINERAMA
if(XineramaIsActive(dpy)) {
- int i, j, n;
+ int i, j, n, nn;
Client *c;
- Monitor *m, *oldmons = mons;
- XineramaScreenInfo *info = XineramaQueryScreens(dpy, &n);
+ Monitor *m;
+ XineramaScreenInfo *info = XineramaQueryScreens(dpy, &nn);
XineramaScreenInfo *unique = NULL;
+ for(n = 0, m = mons; m; m = m->next, n++);
/* only consider unique geometries as separate screens */
- if(!(unique = (XineramaScreenInfo *)malloc(sizeof(XineramaScreenInfo) * n)))
- die("fatal: could not malloc() %u bytes\n", sizeof(XineramaScreenInfo) * n);
- for(i = 0, j = 0; i < n; i++)
+ if(!(unique = (XineramaScreenInfo *)malloc(sizeof(XineramaScreenInfo) * nn)))
+ die("fatal: could not malloc() %u bytes\n", sizeof(XineramaScreenInfo) * nn);
+ for(i = 0, j = 0; i < nn; i++)
if(isuniquegeom(unique, j, &info[i]))
memcpy(&unique[j++], &info[i], sizeof(XineramaScreenInfo));
XFree(info);
- /* create new monitor structure */
- n = j;
- mons = m = createmon(); /* new first monitor */
- for(i = 1; i < n; i++) {
- m->next = createmon();
- m = m->next;
- }
- for(i = 0, m = mons; i < n && m; m = m->next, i++) {
- m->num = i;
- m->mx = m->wx = unique[i].x_org;
- m->my = m->wy = unique[i].y_org;
- m->mw = m->ww = unique[i].width;
- m->mh = m->wh = unique[i].height;
- updatebarpos(m);
+ nn = j;
+ if(n <= nn) {
+ for(i = 0; i < (nn - n); i++) { /* new monitors available */
+ for(m = mons; m && m->next; m = m->next);
+ if(m)
+ m->next = createmon();
+ else
+ mons = createmon();
+ }
+ for(i = 0, m = mons; i < nn && m; m = m->next, i++)
+ if(i >= n
+ || (unique[i].x_org != m->mx || unique[i].y_org != m->my
+ || unique[i].width != m->mw || unique[i].height != m->mh))
+ {
+ dirty = True;
+ m->num = i;
+ m->mx = m->wx = unique[i].x_org;
+ m->my = m->wy = unique[i].y_org;
+ m->mw = m->ww = unique[i].width;
+ m->mh = m->wh = unique[i].height;
+ updatebarpos(m);
+ }
}
- free(unique);
- /* re-attach old clients and cleanup old monitor structure */
- while(oldmons) {
- m = oldmons;
- while(m->clients) {
- c = m->clients;
- m->clients = c->next;
- detachstack(c);
- c->mon = mons;
- attach(c);
- attachstack(c);
+ else { /* less monitors available nn < n */
+ for(i = nn; i < n; i++) {
+ for(m = mons; m && m->next; m = m->next);
+ while(m->clients) {
+ dirty = True;
+ c = m->clients;
+ m->clients = c->next;
+ detachstack(c);
+ c->mon = mons;
+ attach(c);
+ attachstack(c);
+ }
+ if(m == selmon)
+ selmon = mons;
+ cleanupmon(m);
}
- oldmons = m->next;
- cleanupmon(m);
}
+ free(unique);
}
else
#endif /* XINERAMA */
/* default monitor setup */
{
- if(!mons) /* only true if !XINERAMA compile flag */
+ if(!mons)
mons = createmon();
if(mons->mw != sw || mons->mh != sh) {
+ dirty = True;
mons->mw = mons->ww = sw;
mons->mh = mons->wh = sh;
updatebarpos(mons);
}
}
- selmon = mons;
- selmon = wintomon(root);
+ if(dirty) {
+ selmon = mons;
+ selmon = wintomon(root);
+ }
+ return dirty;
}
void