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-rw-r--r--layout.c185
1 files changed, 185 insertions, 0 deletions
diff --git a/layout.c b/layout.c
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+++ b/layout.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"
+
+unsigned int master = MASTER;
+unsigned int nmaster = NMASTER;
+unsigned int blw = 0;
+Layout *lt = NULL;
+
+/* static */
+
+static unsigned int nlayouts = 0;
+
+static void
+tile(void) {
+ unsigned int i, n, nx, ny, nw, nh, mw, mh, tw, th;
+ Client *c;
+
+ for(n = 0, c = nexttiled(clients); c; c = nexttiled(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->isversatile)
+ 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();
+}
+
+LAYOUTS
+
+/* extern */
+
+void
+incnmaster(Arg *arg) {
+ if((lt->arrange != tile) || (nmaster + arg->i < 1)
+ || (wah / (nmaster + arg->i) <= 2 * BORDERPX))
+ return;
+ nmaster += arg->i;
+ if(sel)
+ lt->arrange();
+ else
+ drawstatus();
+}
+
+void
+initlayouts(void) {
+ unsigned int i, w;
+
+ lt = &layout[0];
+ nlayouts = sizeof layout / sizeof layout[0];
+ for(blw = i = 0; i < nlayouts; i++) {
+ w = textw(layout[i].symbol);
+ if(w > blw)
+ blw = w;
+ }
+}
+
+void
+resizemaster(Arg *arg) {
+ if(lt->arrange != tile)
+ 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;
+ }
+ lt->arrange();
+}
+
+void
+restack(void) {
+ Client *c;
+ XEvent ev;
+
+ drawstatus();
+ if(!sel)
+ return;
+ if(sel->isversatile || lt->arrange == versatile)
+ XRaiseWindow(dpy, sel->win);
+ if(lt->arrange != versatile) {
+ if(!sel->isversatile)
+ XLowerWindow(dpy, sel->win);
+ for(c = nexttiled(clients); c; c = nexttiled(c->next)) {
+ if(c == sel)
+ continue;
+ XLowerWindow(dpy, c->win);
+ }
+ }
+ XSync(dpy, False);
+ while(XCheckMaskEvent(dpy, EnterWindowMask, &ev));
+}
+
+void
+setlayout(Arg *arg) {
+ unsigned int i;
+
+ if(arg->i == -1) {
+ for(i = 0; i < nlayouts && lt != &layout[i]; i++);
+ if(i == nlayouts - 1)
+ lt = &layout[0];
+ else
+ lt = &layout[++i];
+ }
+ else {
+ if(arg->i < 0 || arg->i >= nlayouts)
+ return;
+ lt = &layout[arg->i];
+ }
+ if(sel)
+ lt->arrange();
+ else
+ drawstatus();
+}
+
+void
+toggleversatile(Arg *arg) {
+ if(!sel || lt->arrange == versatile)
+ return;
+ sel->isversatile = !sel->isversatile;
+ lt->arrange();
+}
+
+void
+versatile(void) {
+ Client *c;
+
+ for(c = clients; c; c = c->next) {
+ if(isvisible(c)) {
+ if(c->isbanned)
+ XMoveWindow(dpy, c->win, c->x, c->y);
+ c->isbanned = False;
+ resize(c, c->x, c->y, c->w, c->h, True);
+ }
+ 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();
+}