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-rw-r--r--tile.c132
1 files changed, 132 insertions, 0 deletions
diff --git a/tile.c b/tile.c
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index 0000000..a9bc0f5
--- /dev/null
+++ b/tile.c
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+/* (C)opyright MMVI-MMVII Anselm R. Garbe <garbeam at gmail dot com>
+ * See LICENSE file for license details.
+ */
+#include "dwm.h"
+
+/* static */
+
+static void
+togglemax(Client *c) {
+ XEvent ev;
+
+ if(c->isfixed)
+ return;
+
+ if((c->ismax = !c->ismax)) {
+ c->rx = c->x;
+ c->ry = c->y;
+ c->rw = c->w;
+ c->rh = c->h;
+ resize(c, wax, way, waw - 2 * BORDERPX, wah - 2 * BORDERPX, True);
+ }
+ else
+ resize(c, c->rx, c->ry, c->rw, c->rh, True);
+ while(XCheckMaskEvent(dpy, EnterWindowMask, &ev));
+}
+
+/* extern */
+
+void
+dotile(void) {
+ unsigned int i, n, nx, ny, nw, nh, mw, mh, tw, th;
+ Client *c;
+
+ for(n = 0, c = nextmanaged(clients); c; c = nextmanaged(c->next))
+ n++;
+ /* window geoms */
+ mh = (n > nmaster) ? wah / nmaster : wah / (n > 0 ? n : 1);
+ mw = (n > nmaster) ? (waw * master) / 1000 : waw;
+ th = (n > nmaster) ? wah / (n - nmaster) : 0;
+ tw = waw - mw;
+
+ for(i = 0, c = clients; c; c = c->next)
+ if(isvisible(c)) {
+ if(c->isbanned)
+ XMoveWindow(dpy, c->win, c->x, c->y);
+ c->isbanned = False;
+ if(c->isfloat)
+ continue;
+ c->ismax = False;
+ nx = wax;
+ ny = way;
+ if(i < nmaster) {
+ ny += i * mh;
+ nw = mw - 2 * BORDERPX;
+ nh = mh - 2 * BORDERPX;
+ }
+ else { /* tile window */
+ nx += mw;
+ nw = tw - 2 * BORDERPX;
+ if(th > 2 * BORDERPX) {
+ ny += (i - nmaster) * th;
+ nh = th - 2 * BORDERPX;
+ }
+ else /* fallback if th <= 2 * BORDERPX */
+ nh = wah - 2 * BORDERPX;
+ }
+ resize(c, nx, ny, nw, nh, False);
+ i++;
+ }
+ else {
+ c->isbanned = True;
+ XMoveWindow(dpy, c->win, c->x + 2 * sw, c->y);
+ }
+ if(!sel || !isvisible(sel)) {
+ for(c = stack; c && !isvisible(c); c = c->snext);
+ focus(c);
+ }
+ restack();
+}
+
+void
+incnmaster(Arg *arg) {
+ if((arrange == dofloat) || (nmaster + arg->i < 1)
+ || (wah / (nmaster + arg->i) <= 2 * BORDERPX))
+ return;
+ nmaster += arg->i;
+ if(sel)
+ arrange();
+ else
+ drawstatus();
+}
+
+void
+resizemaster(Arg *arg) {
+ if(arrange != dotile)
+ return;
+ if(arg->i == 0)
+ master = MASTER;
+ else {
+ if(waw * (master + arg->i) / 1000 >= waw - 2 * BORDERPX
+ || waw * (master + arg->i) / 1000 <= 2 * BORDERPX)
+ return;
+ master += arg->i;
+ }
+ arrange();
+}
+
+void
+zoom(Arg *arg) {
+ unsigned int n;
+ Client *c;
+
+ if(!sel)
+ return;
+ if(sel->isfloat || (arrange == dofloat)) {
+ togglemax(sel);
+ return;
+ }
+ for(n = 0, c = nextmanaged(clients); c; c = nextmanaged(c->next))
+ n++;
+
+ if((c = sel) == nextmanaged(clients))
+ if(!(c = nextmanaged(c->next)))
+ return;
+ detach(c);
+ if(clients)
+ clients->prev = c;
+ c->next = clients;
+ clients = c;
+ focus(c);
+ arrange();
+}