implemented different version of updategeom
This commit is contained in:
Anselm R Garbe
@@ -20,10 +20,10 @@ LIBS = -L/usr/lib -lc -L${X11LIB} -lX11 ${XINERAMALIBS}
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# flags
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CPPFLAGS = -DVERSION=\"${VERSION}\" ${XINERAMAFLAGS}
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#CFLAGS = -g -std=c99 -pedantic -Wall -O0 ${INCS} ${CPPFLAGS}
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CFLAGS = -std=c99 -pedantic -Wall -Os ${INCS} ${CPPFLAGS}
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#LDFLAGS = -g ${LIBS}
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LDFLAGS = -s ${LIBS}
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CFLAGS = -g -std=c99 -pedantic -Wall -O0 ${INCS} ${CPPFLAGS}
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#CFLAGS = -std=c99 -pedantic -Wall -Os ${INCS} ${CPPFLAGS}
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LDFLAGS = -g ${LIBS}
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#LDFLAGS = -s ${LIBS}
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# Solaris
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#CFLAGS = -fast ${INCS} -DVERSION=\"${VERSION}\"
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234
dwm.c
234
dwm.c
@@ -163,6 +163,7 @@ static void clearurgent(Client *c);
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static void configure(Client *c);
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static void configurenotify(XEvent *e);
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static void configurerequest(XEvent *e);
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static Monitor *createmon(void);
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static void destroynotify(XEvent *e);
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static void detach(Client *c);
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static void detachstack(Client *c);
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@@ -592,6 +593,22 @@ configurerequest(XEvent *e) {
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XSync(dpy, False);
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}
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Monitor *
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createmon(void) {
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Monitor *m;
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if(!(m = (Monitor *)calloc(1, sizeof(Monitor))))
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die("fatal: could not malloc() %u bytes\n", sizeof(Monitor));
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m->tagset[0] = m->tagset[1] = 1;
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m->mfact = mfact;
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m->showbar = showbar;
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m->topbar = topbar;
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m->lt[0] = &layouts[0];
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m->lt[1] = &layouts[1 % LENGTH(layouts)];
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m->ltsymbol = layouts[0].symbol;
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return m;
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}
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void
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destroynotify(XEvent *e) {
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Client *c;
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@@ -1005,6 +1022,19 @@ isprotodel(Client *c) {
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return ret;
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}
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#ifdef XINERAMA
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static Bool
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isuniquegeom(XineramaScreenInfo *unique, size_t len, XineramaScreenInfo *info) {
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unsigned int i;
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for(i = 0; i < len; i++)
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if(unique[i].x_org == info->x_org && unique[i].y_org == info->y_org
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&& unique[i].width == info->width && unique[i].height == info->height)
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return False;
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return True;
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}
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#endif /* XINERAMA */
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void
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keypress(XEvent *e) {
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unsigned int i;
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@@ -1695,165 +1725,71 @@ updatebarpos(Monitor *m) {
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Bool
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updategeom(void) {
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int i, j, nn = 1, n = 1;
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Client *c;
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Monitor *newmons = NULL, *m = NULL, *tm;
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Bool dirty = False;
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/* TODO:
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* This function needs to be seriously re-designed:
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*
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* #ifdef XINERAMA
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* 1. Determine number of already existing monitors n
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* 2. Determine number of monitors Xinerama reports nn
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* 3. if(n <= nn) {
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* if(n < nn) {
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* append nn-n monitors to current struct
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* flag dirty
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* }
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* for(i = 0; i < nn; i++) {
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* if(oldgeom != newgeom) {
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* apply newgeom;
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* flag dirty;
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* }
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* }
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* }
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* else {
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* detach all clients
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* destroy current monitor struct
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* create new monitor struct
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* attach all clients to first monitor
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* flag dirty;
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* }
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* return dirty flag to caller
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* if dirty is seen by caller:
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* re-arrange bars/pixmaps
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* arrange()
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* #else
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* don't share between XINERAMA and non-XINERAMA handling if it gets
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* too ugly
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* #endif
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*/
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#ifdef XINERAMA
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XineramaScreenInfo *info = NULL;
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Bool *flags = NULL;
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if(XineramaIsActive(dpy))
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info = XineramaQueryScreens(dpy, &n);
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flags = (Bool *)malloc(sizeof(Bool) * n);
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for(i = 0; i < n; i++)
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flags[i] = False;
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/* next double-loop seeks any combination of retrieved Xinerama info
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* with existing monitors, this is used to avoid unnecessary
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* re-allocations of monitor structs */
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for(i = 0, nn = n; i < n; i++)
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for(j = 0, m = mons; m; m = m->next, j++)
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if(!flags[j]) {
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if((flags[j] = (
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info[i].x_org == m->mx
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&& info[i].y_org == m->my
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&& info[i].width == m->mw
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&& info[i].height == m->mh)
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))
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--nn;
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}
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if(nn == 0) { /* no need to re-allocate monitors */
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j = 0;
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for(i = 0, m = mons; m; m = m->next, i++) {
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m->num = info[i].screen_number;
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if(info[i].x_org != m->mx
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|| info[i].y_org != m->my
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|| info[i].width != m->mw
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|| info[i].height != m->mh)
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{
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m->mx = m->wx = info[i].x_org;
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m->my = m->wy = info[i].y_org;
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m->mw = m->ww = info[i].width;
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m->mh = m->wh = info[i].height;
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updatebarpos(m);
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j++;
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}
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}
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XFree(info);
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free(flags);
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return j > 0;
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}
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/* next algorithm only considers unique geometries as separate screens */
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for(i = 0; i < n; i++)
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flags[i] = False; /* used for ignoring certain monitors */
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for(i = 0, nn = n; i < n; i++)
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for(j = 0; j < n; j++)
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if(i != j && !flags[i]) {
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if((flags[i] = (
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info[i].x_org == info[j].x_org
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&& info[i].y_org == info[j].y_org
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&& info[i].width == info[j].width
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&& info[i].height == info[j].height)
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))
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--nn;
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}
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#endif /* XINERAMA */
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/* allocate monitor(s) for the new geometry setup */
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for(i = 0; i < nn; i++) {
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if(!(m = (Monitor *)malloc(sizeof(Monitor))))
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die("fatal: could not malloc() %u bytes\n", sizeof(Monitor));
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m->next = newmons;
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newmons = m;
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}
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/* initialise monitor(s) */
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#ifdef XINERAMA
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if(XineramaIsActive(dpy)) {
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for(i = 0, m = newmons; m && i < n; i++) {
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if(!flags[i]) { /* only use screens that aren't dublettes */
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m->num = info[i].screen_number;
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m->mx = m->wx = info[i].x_org;
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m->my = m->wy = info[i].y_org;
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m->mw = m->ww = info[i].width;
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m->mh = m->wh = info[i].height;
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m = m->next;
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}
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}
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int i, j, n, nn;
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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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info = XineramaQueryScreens(dpy, &nn);
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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) * 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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free(flags);
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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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else
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mons = createmon();
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}
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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 = unique[i].screen_number;
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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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m->mw = m->ww = unique[i].width;
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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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}
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else { /* less monitors available */
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cleanup();
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setup();
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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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m->num = 0;
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m->mx = m->wx = 0;
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m->my = m->wy = 0;
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m->mw = m->ww = sw;
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m->mh = m->wh = sh;
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}
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/* bar geometry setup */
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for(m = newmons; m; m = m->next) {
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m->sel = m->stack = m->clients = NULL;
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m->seltags = 0;
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m->sellt = 0;
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m->tagset[0] = m->tagset[1] = 1;
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m->mfact = mfact;
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m->showbar = showbar;
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m->topbar = topbar;
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m->lt[0] = &layouts[0];
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m->lt[1] = &layouts[1 % LENGTH(layouts)];
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m->ltsymbol = layouts[0].symbol;
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updatebarpos(m);
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}
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/* reassign left over clients of disappeared monitors */
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for(tm = mons; tm; tm = tm->next)
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while(tm->clients) {
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c = tm->clients;
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tm->clients = c->next;
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detachstack(c);
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c->mon = newmons;
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attach(c);
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attachstack(c);
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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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/* select focused monitor */
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cleanupmons();
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selmon = mons = newmons;
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selmon = wintomon(root);
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return True;
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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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