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authoranselm@garbe.us <unknown>2012-06-23 10:12:46 +0200
committeranselm@garbe.us <unknown>2012-06-23 10:12:46 +0200
commit20f6917910306bcb5275d726b01b42a3b5e868b4 (patch)
treebdaa8ba91f24bee1e2d0b2becde2848cdc30a896 /dwm.c
parent820cbb3545e60e4d2bad120fb6e691c80058a98c (diff)
downloaddwm-20f6917910306bcb5275d726b01b42a3b5e868b4.tar.gz
drastically changed updategeom() handling, see comment in updategeom() for details
Diffstat (limited to 'dwm.c')
-rw-r--r--dwm.c123
1 files changed, 53 insertions, 70 deletions
diff --git a/dwm.c b/dwm.c
index 685eb4a..1d79af6 100644
--- a/dwm.c
+++ b/dwm.c
@@ -235,7 +235,7 @@ 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 Bool updategeom(void);
+static void updategeom(void);
static void updatebarpos(Monitor *m);
static void updatebars(void);
static void updateclientlist(void);
@@ -573,23 +573,18 @@ 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(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);
- }
+ 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);
}
}
@@ -1076,8 +1071,8 @@ initfont(const char *fontstr) {
static Bool
isuniquegeom(XineramaScreenInfo *unique, size_t n, XineramaScreenInfo *info) {
while(n--)
- 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)
+ /* 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)
return False;
return True;
}
@@ -1887,86 +1882,74 @@ updateclientlist() {
(unsigned char *) &(c->win), 1);
}
-Bool
+void
updategeom(void) {
- Bool dirty = False;
+ /* 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.*/
#ifdef XINERAMA
if(XineramaIsActive(dpy)) {
- int i, j, n, nn;
+ int i, j, n;
Client *c;
- Monitor *m;
- XineramaScreenInfo *info = XineramaQueryScreens(dpy, &nn);
+ Monitor *m, *oldmons = mons;
+ XineramaScreenInfo *info = XineramaQueryScreens(dpy, &n);
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) * nn)))
- die("fatal: could not malloc() %u bytes\n", sizeof(XineramaScreenInfo) * nn);
- for(i = 0, j = 0; i < nn; i++)
+ 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(isuniquegeom(unique, j, &info[i]))
memcpy(&unique[j++], &info[i], sizeof(XineramaScreenInfo));
XFree(info);
- 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);
- }
+ /* create new monitor structure */
+ n = j;
+ mons = m = createmon(); /* new first monitor */
+ for(i = 1; i < n; i++) {
+ m->next = createmon();
+ m = m->next;
}
- 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);
- }
+ 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);
}
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);
+ }
+ oldmons = m->next;
+ cleanupmon(m);
+ }
}
else
#endif /* XINERAMA */
/* default monitor setup */
{
- if(!mons)
+ if(!mons) /* only true if !XINERAMA compile flag */
mons = createmon();
if(mons->mw != sw || mons->mh != sh) {
- dirty = True;
mons->mw = mons->ww = sw;
mons->mh = mons->wh = sh;
updatebarpos(mons);
}
}
- if(dirty) {
- selmon = mons;
- selmon = wintomon(root);
- }
- return dirty;
+ selmon = mons;
+ selmon = wintomon(root);
}
void