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-rw-r--r--view.c253
1 files changed, 253 insertions, 0 deletions
diff --git a/view.c b/view.c
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index 0000000..d9aa6e4
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+++ b/view.c
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+/*
+ * (C)opyright MMVI Anselm R. Garbe <garbeam at gmail dot com>
+ * See LICENSE file for license details.
+ */
+#include "dwm.h"
+
+/* extern */
+
+void (*arrange)(Arg *) = DEFMODE;
+
+void
+dofloat(Arg *arg)
+{
+ Client *c;
+
+ for(c = clients; c; c = c->next) {
+ c->ismax = False;
+ if(isvisible(c)) {
+ resize(c, True, TopLeft);
+ }
+ else
+ ban(c);
+ }
+ if(!sel || !isvisible(sel))
+ sel = getnext(clients);
+ if(sel)
+ focus(sel);
+ else
+ XSetInputFocus(dpy, root, RevertToPointerRoot, CurrentTime);
+ restack();
+}
+
+void
+dotile(Arg *arg)
+{
+ int h, i, n, w;
+ Client *c;
+
+ w = sw - mw;
+ for(n = 0, c = clients; c; c = c->next)
+ if(isvisible(c) && !c->isfloat)
+ n++;
+
+ if(n > 1)
+ h = (sh - bh) / (n - 1);
+ else
+ h = sh - bh;
+
+ for(i = 0, c = clients; c; c = c->next) {
+ c->ismax = False;
+ if(isvisible(c)) {
+ if(c->isfloat) {
+ resize(c, True, TopLeft);
+ continue;
+ }
+ if(n == 1) {
+ c->x = sx;
+ c->y = sy + bh;
+ c->w = sw - 2;
+ c->h = sh - 2 - bh;
+ }
+ else if(i == 0) {
+ c->x = sx;
+ c->y = sy + bh;
+ c->w = mw - 2;
+ c->h = sh - 2 - bh;
+ }
+ else if(h > bh) {
+ c->x = sx + mw;
+ c->y = sy + (i - 1) * h + bh;
+ c->w = w - 2;
+ if(i + 1 == n)
+ c->h = sh - c->y - 2;
+ else
+ c->h = h - 2;
+ }
+ else { /* fallback if h < bh */
+ c->x = sx + mw;
+ c->y = sy + bh;
+ c->w = w - 2;
+ c->h = sh - 2 - bh;
+ }
+ resize(c, False, TopLeft);
+ i++;
+ }
+ else
+ ban(c);
+ }
+ if(!sel || !isvisible(sel))
+ sel = getnext(clients);
+ if(sel)
+ focus(sel);
+ else
+ XSetInputFocus(dpy, root, RevertToPointerRoot, CurrentTime);
+ restack();
+}
+
+void
+focusnext(Arg *arg)
+{
+ Client *c;
+
+ if(!sel)
+ return;
+
+ if(!(c = getnext(sel->next)))
+ c = getnext(clients);
+ if(c) {
+ focus(c);
+ restack();
+ }
+}
+
+void
+focusprev(Arg *arg)
+{
+ Client *c;
+
+ if(!sel)
+ return;
+
+ if(!(c = getprev(sel->prev))) {
+ for(c = clients; c && c->next; c = c->next);
+ c = getprev(c);
+ }
+ if(c) {
+ focus(c);
+ restack();
+ }
+}
+
+Bool
+isvisible(Client *c)
+{
+ unsigned int i;
+
+ for(i = 0; i < ntags; i++)
+ if(c->tags[i] && seltag[i])
+ return True;
+ return False;
+}
+
+void
+restack()
+{
+ static unsigned int nwins = 0;
+ static Window *wins = NULL;
+ unsigned int f, fi, m, mi, n;
+ Client *c;
+ XEvent ev;
+
+ for(f = 0, m = 0, c = clients; c; c = c->next)
+ if(isvisible(c)) {
+ if(c->isfloat || arrange == dofloat)
+ f++;
+ else
+ m++;
+ }
+ if(!(n = 2 * (f + m))) {
+ drawstatus();
+ return;
+ }
+ if(nwins < n) {
+ nwins = n;
+ wins = erealloc(wins, nwins * sizeof(Window));
+ }
+
+ fi = 0;
+ mi = 2 * f;
+ if(sel->isfloat || arrange == dofloat) {
+ wins[fi++] = sel->title;
+ wins[fi++] = sel->win;
+ }
+ else {
+ wins[mi++] = sel->title;
+ wins[mi++] = sel->win;
+ }
+ for(c = clients; c; c = c->next)
+ if(isvisible(c) && c != sel) {
+ if(c->isfloat || arrange == dofloat) {
+ wins[fi++] = c->title;
+ wins[fi++] = c->win;
+ }
+ else {
+ wins[mi++] = c->title;
+ wins[mi++] = c->win;
+ }
+ }
+ XRestackWindows(dpy, wins, n);
+ drawall();
+ XSync(dpy, False);
+ while(XCheckMaskEvent(dpy, EnterWindowMask, &ev));
+}
+
+void
+togglemode(Arg *arg)
+{
+ arrange = arrange == dofloat ? dotile : dofloat;
+ if(sel)
+ arrange(NULL);
+ else
+ drawstatus();
+}
+
+void
+toggleview(Arg *arg)
+{
+ unsigned int i;
+
+ seltag[arg->i] = !seltag[arg->i];
+ for(i = 0; i < ntags && !seltag[i]; i++);
+ if(i == ntags)
+ seltag[arg->i] = True; /* cannot toggle last view */
+ arrange(NULL);
+}
+
+void
+view(Arg *arg)
+{
+ unsigned int i;
+
+ for(i = 0; i < ntags; i++)
+ seltag[i] = False;
+ seltag[arg->i] = True;
+ arrange(NULL);
+}
+
+void
+zoom(Arg *arg)
+{
+ Client *c;
+
+ if(!sel || (arrange != dotile) || sel->isfloat || sel->ismax)
+ return;
+
+ if(sel == getnext(clients)) {
+ if((c = getnext(sel->next)))
+ sel = c;
+ else
+ return;
+ }
+
+ /* pop */
+ sel->prev->next = sel->next;
+ if(sel->next)
+ sel->next->prev = sel->prev;
+ sel->prev = NULL;
+ clients->prev = sel;
+ sel->next = clients;
+ clients = sel;
+ focus(sel);
+ arrange(NULL);
+}