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void
removescratch(const Arg *arg)
{
Client *c = selmon->sel;
if (!c)
return;
c->scratchkey = 0;
}
void
setscratch(const Arg *arg)
{
Client *c = selmon->sel;
if (!c)
return;
c->scratchkey = ((char**)arg->v)[0][0];
}
void spawnscratch(const Arg *arg)
{
if (fork() == 0) {
if (dpy)
close(ConnectionNumber(dpy));
setsid();
execvp(((char **)arg->v)[1], ((char **)arg->v)+1);
fprintf(stderr, "dwm: execvp %s", ((char **)arg->v)[1]);
perror(" failed");
exit(EXIT_SUCCESS);
}
}
void
togglescratch(const Arg *arg)
{
Client *c, *next, *last = NULL, *found = NULL, *monclients = NULL;
Monitor *mon;
int scratchvisible = 0; // whether the scratchpads are currently visible or not
int multimonscratch = 0; // whether we have scratchpads that are placed on multiple monitors
int scratchmon = -1; // the monitor where the scratchpads exist
int numscratchpads = 0; // count of scratchpads
/* Looping through monitors and client's twice, the first time to work out whether we need
to move clients across from one monitor to another or not */
for (mon = mons; mon; mon = mon->next)
for (c = mon->clients; c; c = c->next) {
if (c->scratchkey != ((char**)arg->v)[0][0])
continue;
if (scratchmon != -1 && scratchmon != mon->num)
multimonscratch = 1;
if (c->mon->tagset[c->mon->seltags] & c->tags) // && !HIDDEN(c)
++scratchvisible;
scratchmon = mon->num;
++numscratchpads;
}
/* Now for the real deal. The logic should go like:
- hidden scratchpads will be shown
- shown scratchpads will be hidden, unless they are being moved to the current monitor
- the scratchpads will be moved to the current monitor if they all reside on the same monitor
- multiple scratchpads residing on separate monitors will be left in place
*/
for (mon = mons; mon; mon = mon->next) {
for (c = mon->stack; c; c = next) {
next = c->snext;
if (c->scratchkey != ((char**)arg->v)[0][0])
continue;
/* awesomebar / wintitleactions compatibility, unhide scratchpad if hidden
if (HIDDEN(c)) {
XMapWindow(dpy, c->win);
setclientstate(c, NormalState);
}
*/
/* Record the first found scratchpad client for focus purposes, but prioritise the
scratchpad on the current monitor if one exists */
if (!found || (mon == selmon && found->mon != selmon))
found = c;
/* If scratchpad clients reside on another monitor and we are moving them across then
as we are looping through monitors we could be moving a client to a monitor that has
not been processed yet, hence we could be processing a scratchpad twice. To avoid
this we detach them and add them to a temporary list (monclients) which is to be
processed later. */
if (!multimonscratch && c->mon != selmon) {
detach(c);
detachstack(c);
c->next = NULL;
/* Note that we are adding clients at the end of the list, this is to preserve the
order of clients as they were on the adjacent monitor (relevant when tiled) */
if (last)
last = last->next = c;
else
last = monclients = c;
} else if (scratchvisible == numscratchpads) {
c->tags = 0;
} else {
XSetWindowBorder(dpy, c->win, scheme[SchemeScratchNorm][ColBorder].pixel);
c->tags = c->mon->tagset[c->mon->seltags];
if (c->isfloating)
XRaiseWindow(dpy, c->win);
}
}
}
/* Attach moved scratchpad clients on the selected monitor */
for (c = monclients; c; c = next) {
next = c->next;
mon = c->mon;
c->mon = selmon;
c->tags = selmon->tagset[selmon->seltags];
/* Attach scratchpad clients from other monitors at the bottom of the stack */
if (selmon->clients) {
for (last = selmon->clients; last && last->next; last = last->next);
last->next = c;
} else
selmon->clients = c;
c->next = NULL;
attachstack(c);
/* Center floating scratchpad windows when moved from one monitor to another */
if (c->isfloating) {
if (c->w > selmon->ww)
c->w = selmon->ww - c->bw * 2;
if (c->h > selmon->wh)
c->h = selmon->wh - c->bw * 2;
if (numscratchpads > 1) {
c->x = c->mon->wx + (c->x - mon->wx) * ((double)(abs(c->mon->ww - WIDTH(c))) / MAX(abs(mon->ww - WIDTH(c)), 1));
c->y = c->mon->wy + (c->y - mon->wy) * ((double)(abs(c->mon->wh - HEIGHT(c))) / MAX(abs(mon->wh - HEIGHT(c)), 1));
} else if (c->x < c->mon->mx || c->x > c->mon->mx + c->mon->mw ||
c->y < c->mon->my || c->y > c->mon->my + c->mon->mh) {
c->x = c->mon->wx + (c->mon->ww / 2 - WIDTH(c) / 2);
c->y = c->mon->wy + (c->mon->wh / 2 - HEIGHT(c) / 2);
}
resizeclient(c, c->x, c->y, c->w, c->h);
XRaiseWindow(dpy, c->win);
}
}
if (found) {
focus(ISVISIBLE(found) ? found : NULL);
arrange(NULL);
if (found->isfloating)
XRaiseWindow(dpy, found->win);
} else {
spawnscratch(arg);
}
}
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