dwm/patch/systray.c
2020-02-09 15:17:05 +01:00

203 lines
5.2 KiB
C

static Systray *systray = NULL;
static unsigned long systrayorientation = _NET_SYSTEM_TRAY_ORIENTATION_HORZ;
unsigned int
getsystraywidth()
{
unsigned int w = 0;
Client *i;
if (showsystray)
for (i = systray->icons; i; w += i->w + systrayspacing, i = i->next);
return w ? w + systrayspacing : 0;
}
void
removesystrayicon(Client *i)
{
Client **ii;
if (!showsystray || !i)
return;
for (ii = &systray->icons; *ii && *ii != i; ii = &(*ii)->next);
if (ii)
*ii = i->next;
free(i);
}
void
resizerequest(XEvent *e)
{
XResizeRequestEvent *ev = &e->xresizerequest;
Client *i;
if ((i = wintosystrayicon(ev->window))) {
updatesystrayicongeom(i, ev->width, ev->height);
updatesystray();
}
}
Monitor *
systraytomon(Monitor *m)
{
Monitor *t;
int i, n;
if (!systraypinning) {
if (!m)
return selmon;
return m == selmon ? m : NULL;
}
for (n = 1, t = mons; t && t->next; n++, t = t->next) ;
for (i = 1, t = mons; t && t->next && i < systraypinning; i++, t = t->next) ;
if (systraypinningfailfirst && n < systraypinning)
return mons;
return t;
}
void
updatesystray(void)
{
XSetWindowAttributes wa;
XWindowChanges wc;
Client *i;
Monitor *m = systraytomon(NULL);
unsigned int x = m->mx + m->mw;
unsigned int w = 1, xpad = 0, ypad = 0;
#if BARPADDING_PATCH
xpad = sp;
ypad = vp;
#endif // BARPADDING_PATCH
if (!showsystray)
return;
if (!systray) {
/* init systray */
if (!(systray = (Systray *)calloc(1, sizeof(Systray))))
die("fatal: could not malloc() %u bytes\n", sizeof(Systray));
#if ALPHA_PATCH
XSetWindowAttributes wa = {
.override_redirect = True,
.background_pixel = scheme[SchemeNorm][ColBg].pixel,
.border_pixel = 0,
.colormap = cmap,
.event_mask = ButtonPressMask|ExposureMask
};
systray->win = XCreateWindow(dpy, root, x - xpad, m->by + ypad, w, bh, 0, depth,
InputOutput, visual,
CWOverrideRedirect|CWBackPixel|CWBorderPixel|CWColormap|CWEventMask, &wa);
#else
systray->win = XCreateSimpleWindow(dpy, root, x - xpad, m->by + ypad, w, bh, 0, 0, scheme[SchemeSel][ColBg].pixel);
#endif // ALPHA_PATCH
XSelectInput(dpy, systray->win, SubstructureNotifyMask);
XChangeProperty(dpy, systray->win, netatom[NetSystemTrayOrientation], XA_CARDINAL, 32,
PropModeReplace, (unsigned char *)&systrayorientation, 1);
#if ALPHA_PATCH
XChangeProperty(dpy, systray->win, netatom[NetSystemTrayVisual], XA_VISUALID, 32,
PropModeReplace, (unsigned char *)&visual->visualid, 1);
#endif // ALPHA_PATCH
XChangeProperty(dpy, systray->win, netatom[NetWMWindowType], XA_ATOM, 32,
PropModeReplace, (unsigned char *)&netatom[NetWMWindowTypeDock], 1);
XMapRaised(dpy, systray->win);
XSetSelectionOwner(dpy, netatom[NetSystemTray], systray->win, CurrentTime);
if (XGetSelectionOwner(dpy, netatom[NetSystemTray]) == systray->win) {
sendevent(root, xatom[Manager], StructureNotifyMask, CurrentTime, netatom[NetSystemTray], systray->win, 0, 0);
XSync(dpy, False);
}
else {
fprintf(stderr, "dwm: unable to obtain system tray.\n");
free(systray);
systray = NULL;
return;
}
}
for (w = 0, i = systray->icons; i; i = i->next) {
/* make sure the background color stays the same */
wa.background_pixel = scheme[SchemeNorm][ColBg].pixel;
XChangeWindowAttributes(dpy, i->win, CWBackPixel, &wa);
XMapRaised(dpy, i->win);
w += systrayspacing;
i->x = w;
XMoveResizeWindow(dpy, i->win, i->x, 0, i->w, i->h);
w += i->w;
if (i->mon != m)
i->mon = m;
}
w = w ? w + systrayspacing : 1;
x -= w;
XMoveResizeWindow(dpy, systray->win, x - xpad, m->by + ypad, w, bh);
wc.x = x - xpad;
wc.y = m->by + ypad;
wc.width = w;
wc.height = bh;
wc.stack_mode = Above; wc.sibling = m->barwin;
XConfigureWindow(dpy, systray->win, CWX|CWY|CWWidth|CWHeight|CWSibling|CWStackMode, &wc);
XMapWindow(dpy, systray->win);
XMapSubwindows(dpy, systray->win);
/* redraw background */
XSetForeground(dpy, drw->gc, scheme[SchemeNorm][ColBg].pixel);
XFillRectangle(dpy, systray->win, drw->gc, 0, 0, w, bh);
XSync(dpy, False);
}
void
updatesystrayicongeom(Client *i, int w, int h)
{
if (i) {
i->h = bh;
if (w == h)
i->w = bh;
else if (h == bh)
i->w = w;
else
i->w = (int) ((float)bh * ((float)w / (float)h));
applysizehints(i, &(i->x), &(i->y), &(i->w), &(i->h), False);
/* force icons into the systray dimensions if they don't want to */
if (i->h > bh) {
if (i->w == i->h)
i->w = bh;
else
i->w = (int) ((float)bh * ((float)i->w / (float)i->h));
i->h = bh;
}
}
}
void
updatesystrayiconstate(Client *i, XPropertyEvent *ev)
{
long flags;
int code = 0;
if (!showsystray || !i || ev->atom != xatom[XembedInfo] ||
!(flags = getatomprop(i, xatom[XembedInfo])))
return;
if (flags & XEMBED_MAPPED && !i->tags) {
i->tags = 1;
code = XEMBED_WINDOW_ACTIVATE;
XMapRaised(dpy, i->win);
setclientstate(i, NormalState);
}
else if (!(flags & XEMBED_MAPPED) && i->tags) {
i->tags = 0;
code = XEMBED_WINDOW_DEACTIVATE;
XUnmapWindow(dpy, i->win);
setclientstate(i, WithdrawnState);
}
else
return;
sendevent(i->win, xatom[Xembed], StructureNotifyMask, CurrentTime, code, 0,
systray->win, XEMBED_EMBEDDED_VERSION);
}
Client *
wintosystrayicon(Window w)
{
Client *i = NULL;
if (!showsystray || !w)
return i;
for (i = systray->icons; i && i->win != w; i = i->next);
return i;
}