Added DWM

1 files changed, 198 insertions, 0 deletions

diff --git a/patch/bar_systray.c b/patch/bar_systray.c
new file mode 100644
index 0000000..67d1d2d
--- /dev/null
+++ b/patch/bar_systray.c
@@ -0,0 +1,198 @@
+static Systray *systray = NULL;
+static unsigned long systrayorientation = _NET_SYSTEM_TRAY_ORIENTATION_HORZ;
+
+int
+width_systray(Bar *bar, BarArg *a)
+{
+	unsigned int w = 0;
+	Client *i;
+	if (!systray)
+		return 1;
+	if (showsystray)
+		for (i = systray->icons; i; w += i->w + systrayspacing, i = i->next);
+	return w ? w + lrpad - systrayspacing : 0;
+}
+
+int
+draw_systray(Bar *bar, BarArg *a)
+{
+	if (!showsystray)
+		return 0;
+
+	XSetWindowAttributes wa;
+	XWindowChanges wc;
+	Client *i;
+	unsigned int w;
+
+	if (!systray) {
+		/* init systray */
+		if (!(systray = (Systray *)calloc(1, sizeof(Systray))))
+			die("fatal: could not malloc() %u bytes\n", sizeof(Systray));
+
+		wa.override_redirect = True;
+		wa.event_mask = ButtonPressMask|ExposureMask;
+		wa.border_pixel = 0;
+		systray->h = MIN(a->h, drw->fonts->h);
+		#if BAR_ALPHA_PATCH
+		wa.background_pixel = 0;
+		wa.colormap = cmap;
+		systray->win = XCreateWindow(dpy, root, bar->bx + a->x + lrpad / 2, bar->by + a->y + (a->h - systray->h) / 2, MAX(a->w + 40, 1), systray->h, 0, depth,
+						InputOutput, visual,
+						CWOverrideRedirect|CWBorderPixel|CWBackPixel|CWColormap|CWEventMask, &wa); // CWBackPixmap
+		#else
+		wa.background_pixel = scheme[SchemeNorm][ColBg].pixel;
+		systray->win = XCreateSimpleWindow(dpy, root, bar->bx + a->x + lrpad / 2, bar->by + a->y + (a->h - systray->h) / 2, MIN(a->w, 1), systray->h, 0, 0, scheme[SchemeNorm][ColBg].pixel);
+		XChangeWindowAttributes(dpy, systray->win, CWOverrideRedirect|CWBackPixel|CWBorderPixel|CWEventMask, &wa);
+		#endif // BAR_ALPHA_PATCH
+
+		XSelectInput(dpy, systray->win, SubstructureNotifyMask);
+		XChangeProperty(dpy, systray->win, netatom[NetSystemTrayOrientation], XA_CARDINAL, 32,
+				PropModeReplace, (unsigned char *)&systrayorientation, 1);
+		#if BAR_ALPHA_PATCH
+		XChangeProperty(dpy, systray->win, netatom[NetSystemTrayVisual], XA_VISUALID, 32,
+				PropModeReplace, (unsigned char *)&visual->visualid, 1);
+		#endif // BAR_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 0;
+		}
+	}
+
+	systray->bar = bar;
+
+	wc.stack_mode = Above;
+	wc.sibling = bar->win;
+	XConfigureWindow(dpy, systray->win, CWSibling|CWStackMode, &wc);
+
+	drw_setscheme(drw, scheme[SchemeNorm]);
+	for (w = 0, i = systray->icons; i; i = i->next) {
+		#if BAR_ALPHA_PATCH
+		wa.background_pixel = 0;
+		#else
+		wa.background_pixel = scheme[SchemeNorm][ColBg].pixel;
+		#endif // BAR_ALPHA_PATCH
+		XChangeWindowAttributes(dpy, i->win, CWBackPixel, &wa);
+		XMapRaised(dpy, i->win);
+		i->x = w;
+		XMoveResizeWindow(dpy, i->win, i->x, 0, i->w, i->h);
+		w += i->w;
+		if (i->next)
+			w += systrayspacing;
+		if (i->mon != bar->mon)
+			i->mon = bar->mon;
+	}
+
+	XMoveResizeWindow(dpy, systray->win, bar->bx + a->x + lrpad / 2, (w ? bar->by + a->y + (a->h - systray->h) / 2: -bar->by - a->y), MAX(w, 1), systray->h);
+	return w;
+}
+
+int
+click_systray(Bar *bar, Arg *arg, BarArg *a)
+{
+	return -1;
+}
+
+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);
+	drawbarwin(systray->bar);
+}
+
+void
+resizerequest(XEvent *e)
+{
+	XResizeRequestEvent *ev = &e->xresizerequest;
+	Client *i;
+
+	if ((i = wintosystrayicon(ev->window))) {
+		updatesystrayicongeom(i, ev->width, ev->height);
+		drawbarwin(systray->bar);
+	}
+}
+
+void
+updatesystrayicongeom(Client *i, int w, int h)
+{
+	if (!systray)
+		return;
+
+	int icon_height = systray->h;
+	if (i) {
+		i->h = icon_height;
+		if (w == h)
+			i->w = icon_height;
+		else if (h == icon_height)
+			i->w = w;
+		else
+			i->w = (int) ((float)icon_height * ((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 > icon_height) {
+			if (i->w == i->h)
+				i->w = icon_height;
+			else
+				i->w = (int) ((float)icon_height * ((float)i->w / (float)i->h));
+			i->h = icon_height;
+		}
+		if (i->w > 2 * icon_height)
+			i->w = icon_height;
+	}
+}
+
+void
+updatesystrayiconstate(Client *i, XPropertyEvent *ev)
+{
+	long flags;
+	int code = 0;
+
+	if (!showsystray || !systray || !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)
+{
+	if (!systray)
+		return NULL;
+	Client *i = NULL;
+	if (!showsystray || !w)
+		return i;
+	for (i = systray->icons; i && i->win != w; i = i->next);
+	return i;
+}
+