initHEADmaster

1 files changed, 112 insertions, 0 deletions

diff --git a/dwm/patch/bar_tagpreview.c b/dwm/patch/bar_tagpreview.c
new file mode 100755
index 0000000..27731b0
--- /dev/null
+++ b/dwm/patch/bar_tagpreview.c
@@ -0,0 +1,112 @@
+#include <Imlib2.h>
+
+void
+createpreview(Monitor *m)
+{
+	if (m->tagwin) {
+		XMoveResizeWindow(
+			dpy, m->tagwin,
+			m->mx,
+			m->bar->by + bh,
+			m->mw / scalepreview,
+			m->mh / scalepreview
+		);
+		return;
+	}
+
+	XSetWindowAttributes wa = {
+		.override_redirect = True,
+		#if BAR_ALPHA_PATCH
+		.background_pixel = 0,
+		.border_pixel = 0,
+		.colormap = cmap,
+		#else
+		.background_pixmap = ParentRelative,
+		#endif // BAR_ALPHA_PATCH
+		.event_mask = ButtonPressMask|ExposureMask
+	};
+
+	m->tagwin = XCreateWindow(dpy, root, m->wx, m->bar->by + bh, m->mw / scalepreview, m->mh / scalepreview, 0,
+		#if BAR_ALPHA_PATCH
+		depth, CopyFromParent, visual,
+		CWOverrideRedirect|CWBackPixel|CWBorderPixel|CWColormap|CWEventMask, &wa
+		#else
+		DefaultDepth(dpy, screen), CopyFromParent, DefaultVisual(dpy, screen),
+		CWOverrideRedirect|CWBackPixmap|CWEventMask, &wa
+		#endif // BAR_ALPHA_PATCH
+	);
+	XDefineCursor(dpy, m->tagwin, cursor[CurNormal]->cursor);
+	XMapRaised(dpy, m->tagwin);
+	XUnmapWindow(dpy, m->tagwin);
+}
+
+void
+hidetagpreview(Monitor *m)
+{
+	m->previewshow = 0;
+	XUnmapWindow(dpy, m->tagwin);
+}
+
+void
+showtagpreview(int tag, int x, int y)
+{
+	Monitor *m = selmon;
+
+	if (!m->tagwin)
+		return;
+
+	if (m->tagmap[tag]) {
+		XSetWindowBackgroundPixmap(dpy, m->tagwin, m->tagmap[tag]);
+		XCopyArea(dpy, m->tagmap[tag], m->tagwin, drw->gc, 0, 0, m->mw / scalepreview, m->mh / scalepreview, 0, 0);
+		XMoveWindow(dpy, m->tagwin, x, y);
+		XSync(dpy, False);
+		XMapWindow(dpy, m->tagwin);
+	} else
+		XUnmapWindow(dpy, m->tagwin);
+}
+
+void
+tagpreviewswitchtag(void)
+{
+	int i;
+	unsigned int occ = 0;
+	Client *c;
+	Imlib_Image image;
+	Monitor *m = selmon;
+
+	if (!m->tagwin)
+		createpreview(m);
+
+	for (c = m->clients; c; c = c->next)
+		occ |= c->tags;
+	for (i = 0; i < NUMTAGS; i++) {
+		if (m->tagset[m->seltags] & 1 << i) {
+			if (m->tagmap[i] != 0) {
+				XFreePixmap(dpy, m->tagmap[i]);
+				m->tagmap[i] = 0;
+			}
+			if (occ & 1 << i) {
+				image = imlib_create_image(sw, sh);
+				imlib_context_set_image(image);
+				imlib_context_set_display(dpy);
+				#if BAR_ALPHA_PATCH
+				imlib_image_set_has_alpha(1);
+				imlib_context_set_blend(0);
+				imlib_context_set_visual(visual);
+				#else
+				imlib_context_set_visual(DefaultVisual(dpy, screen));
+				#endif // BAR_ALPHA_PATCH
+				imlib_context_set_drawable(root);
+				imlib_copy_drawable_to_image(0, m->mx, m->my, m->mw ,m->mh, 0, 0, 1);
+				#if BAR_ALPHA_PATCH
+				m->tagmap[i] = XCreatePixmap(dpy, m->tagwin, m->mw / scalepreview, m->mh / scalepreview, depth);
+				#else
+				m->tagmap[i] = XCreatePixmap(dpy, m->tagwin, m->mw / scalepreview, m->mh / scalepreview, DefaultDepth(dpy, screen));
+				#endif // BAR_ALPHA_PATCH
+				imlib_context_set_drawable(m->tagmap[i]);
+				imlib_render_image_part_on_drawable_at_size(0, 0, m->mw, m->mh, 0, 0, m->mw / scalepreview, m->mh / scalepreview);
+				imlib_free_image();
+			}
+		}
+	}
+}