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405 lines
6.8 KiB
405 lines
6.8 KiB
/*
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* (C)opyright MMVI Anselm R. Garbe <garbeam at gmail dot com>
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* See LICENSE file for license details.
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*/
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#include "dwm.h"
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/* static */
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static Client *
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minclient(void) {
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Client *c, *min;
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if((clients && clients->isfloat) || arrange == dofloat)
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return clients; /* don't touch floating order */
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for(min = c = clients; c; c = c->next)
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if(c->weight < min->weight)
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min = c;
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return min;
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}
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static Client *
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nexttiled(Client *c) {
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for(c = getnext(c); c && c->isfloat; c = getnext(c->next));
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return c;
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}
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static void
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reorder(void) {
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Client *c, *newclients, *tail;
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newclients = tail = NULL;
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while((c = minclient())) {
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detach(c);
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if(tail) {
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c->prev = tail;
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tail->next = c;
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tail = c;
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}
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else
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tail = newclients = c;
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}
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clients = newclients;
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}
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static void
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togglemax(Client *c)
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{
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XEvent ev;
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if((c->ismax = !c->ismax)) {
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c->rx = c->x; c->x = sx;
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c->ry = c->y; c->y = bh;
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c->rw = c->w; c->w = sw - 2 * BORDERPX;
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c->rh = c->h; c->h = sh - bh - 2 * BORDERPX;
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}
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else {
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c->x = c->rx;
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c->y = c->ry;
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c->w = c->rw;
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c->h = c->rh;
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}
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resize(c, True, TopLeft);
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while(XCheckMaskEvent(dpy, EnterWindowMask, &ev));
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}
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/* extern */
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void (*arrange)(Arg *) = DEFMODE;
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StackPos stackpos = STACKPOS;
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void
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detach(Client *c) {
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if(c->prev)
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c->prev->next = c->next;
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if(c->next)
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c->next->prev = c->prev;
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if(c == clients)
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clients = c->next;
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c->next = c->prev = NULL;
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}
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void
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dofloat(Arg *arg) {
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Client *c;
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for(c = clients; c; c = c->next) {
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if(isvisible(c)) {
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resize(c, True, TopLeft);
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}
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else
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ban(c);
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}
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if(!sel || !isvisible(sel)) {
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for(c = stack; c && !isvisible(c); c = c->snext);
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focus(c);
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}
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restack();
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}
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/* This algorithm is based on a (M)aster area and a (S)tacking area.
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* It supports following arrangements:
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* SSMMM MMMMM MMMSS
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* SSMMM SSSSS MMMSS
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*/
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void
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dotile(Arg *arg) {
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int i, n, stackw, stackh, tw, th;
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Client *c;
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for(n = 0, c = nexttiled(clients); c; c = nexttiled(c->next))
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n++;
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if(stackpos == StackBottom) {
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stackw = sw;
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stackh = sh - bh - master;
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}
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else {
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stackw = sw - master;
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stackh = sh - bh;
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}
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tw = stackw;
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if(n > 1)
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th = stackh / (n - 1);
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else
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th = stackh;
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for(i = 0, c = clients; c; c = c->next) {
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if(isvisible(c)) {
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if(c->isfloat) {
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resize(c, True, TopLeft);
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continue;
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}
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c->ismax = False;
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if(n == 1) { /* only 1 window */
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c->x = sx;
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c->y = sy + bh;
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c->w = sw - 2 * BORDERPX;
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c->h = sh - 2 * BORDERPX - bh;
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}
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else if(i == 0) { /* master window */
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switch(stackpos) {
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case StackLeft:
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c->x = sx + stackw;
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c->y = sy + bh;
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c->w = master - 2 * BORDERPX;
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c->h = sh - bh - 2 * BORDERPX;
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break;
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case StackBottom:
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c->x = sx;
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c->y = sy + bh;
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c->w = sw - 2 * BORDERPX;
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c->h = master - 2 * BORDERPX;
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break;
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case StackRight:
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c->x = sx;
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c->y = sy + bh;
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c->w = master - 2 * BORDERPX;
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c->h = sh - bh - 2 * BORDERPX;
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break;
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}
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}
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else if(th > bh) {
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/* tile window */
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c->w = tw - 2 * BORDERPX;
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c->h = th - 2 * BORDERPX;
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switch(stackpos) {
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case StackLeft:
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c->x = sx;
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c->y = sy + (i - 1) * th + bh;
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if(i + 1 == n)
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c->h = sh - c->y - 2 * BORDERPX;
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break;
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case StackBottom:
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c->x = sx;
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c->y = sy + master + (i - 1) * th + bh;
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if(i + 1 == n)
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c->h = sh - c->y - 2 * BORDERPX;
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break;
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case StackRight:
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c->x = sx + master;
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c->y = sy + (i - 1) * th + bh;
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if(i + 1 == n)
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c->h = sh - c->y - 2 * BORDERPX;
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break;
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}
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}
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else { /* fallback if th < bh */
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c->w = stackw - 2 * BORDERPX;
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c->h = stackh - 2 * BORDERPX;
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switch(stackpos) {
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case StackLeft:
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c->x = sx;
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c->y = sy + bh;
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break;
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case StackBottom:
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c->x = sx;
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c->y = sy + master;
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break;
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case StackRight:
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c->x = sx + master;
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c->y = sy + bh;
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break;
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}
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}
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resize(c, False, TopLeft);
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i++;
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}
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else
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ban(c);
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}
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if(!sel || !isvisible(sel)) {
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for(c = stack; c && !isvisible(c); c = c->snext);
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focus(c);
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}
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restack();
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}
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void
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focusnext(Arg *arg) {
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Client *c;
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if(!sel)
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return;
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if(!(c = getnext(sel->next)))
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c = getnext(clients);
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if(c) {
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focus(c);
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restack();
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}
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}
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void
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focusprev(Arg *arg) {
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Client *c;
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if(!sel)
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return;
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if(!(c = getprev(sel->prev))) {
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for(c = clients; c && c->next; c = c->next);
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c = getprev(c);
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}
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if(c) {
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focus(c);
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restack();
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}
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}
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Bool
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isvisible(Client *c) {
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unsigned int i;
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for(i = 0; i < ntags; i++)
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if(c->tags[i] && seltag[i])
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return True;
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return False;
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}
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void
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resizecol(Arg *arg) {
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unsigned int n;
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Client *c;
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for(n = 0, c = clients; c; c = c->next)
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if(isvisible(c) && !c->isfloat)
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n++;
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if(!sel || sel->isfloat || n < 2 || (arrange == dofloat))
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return;
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if(sel == getnext(clients)) {
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if(master + arg->i > sw - MINW || master + arg->i < MINW)
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return;
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master += arg->i;
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}
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else {
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if(master - arg->i > sw - MINW || master - arg->i < MINW)
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return;
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master -= arg->i;
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}
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arrange(NULL);
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}
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void
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restack(void) {
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Client *c;
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XEvent ev;
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if(!sel) {
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drawstatus();
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return;
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}
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if(sel->isfloat || arrange == dofloat) {
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XRaiseWindow(dpy, sel->win);
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XRaiseWindow(dpy, sel->twin);
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}
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if(arrange != dofloat) {
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if(!sel->isfloat) {
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XLowerWindow(dpy, sel->twin);
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XLowerWindow(dpy, sel->win);
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}
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for(c = nexttiled(clients); c; c = nexttiled(c->next)) {
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if(c == sel)
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continue;
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XLowerWindow(dpy, c->twin);
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XLowerWindow(dpy, c->win);
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}
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}
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drawall();
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XSync(dpy, False);
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while(XCheckMaskEvent(dpy, EnterWindowMask, &ev));
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}
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void
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togglemode(Arg *arg) {
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arrange = (arrange == dofloat) ? dotile : dofloat;
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if(sel)
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arrange(NULL);
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else
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drawstatus();
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}
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void
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toggleview(Arg *arg) {
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unsigned int i;
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seltag[arg->i] = !seltag[arg->i];
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for(i = 0; i < ntags && !seltag[i]; i++);
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if(i == ntags)
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seltag[arg->i] = True; /* cannot toggle last view */
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reorder();
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arrange(NULL);
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}
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void
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togglestackpos(Arg *arg) {
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if(arrange == dofloat)
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return;
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if(stackpos == StackBottom)
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stackpos = STACKPOS;
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else
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stackpos = StackBottom;
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updatemaster();
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arrange(NULL);
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}
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void
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updatemaster(void) {
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master = ((stackpos == StackBottom ? sh - bh : sw) * MASTER) / 100;
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}
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void
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view(Arg *arg) {
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unsigned int i;
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for(i = 0; i < ntags; i++)
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seltag[i] = False;
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seltag[arg->i] = True;
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reorder();
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arrange(NULL);
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}
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void
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viewall(Arg *arg) {
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unsigned int i;
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for(i = 0; i < ntags; i++)
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seltag[i] = True;
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reorder();
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arrange(NULL);
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}
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void
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zoom(Arg *arg) {
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unsigned int n;
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Client *c;
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if(!sel)
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return;
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if(sel->isfloat || (arrange == dofloat)) {
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togglemax(sel);
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return;
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}
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for(n = 0, c = clients; c; c = c->next)
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if(isvisible(c) && !c->isfloat)
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n++;
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if(n < 2 || (arrange == dofloat))
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return;
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if((c = sel) == nexttiled(clients))
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if(!(c = nexttiled(c->next)))
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return;
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detach(c);
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if(clients)
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clients->prev = c;
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c->next = clients;
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clients = c;
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focus(c);
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arrange(NULL);
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}
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