tagpreview: adding compatibility with powerline tags and taglabels

config.def.h

@@ -549,13 +549,13 @@ static const BarRule barrules[] = {
 	{ -1,        0,     BAR_ALIGN_LEFT,   width_stbutton,           draw_stbutton,          click_stbutton,          NULL,                    "statusbutton" },
 	#endif // BAR_STATUSBUTTON_PATCH
 	#if BAR_POWERLINE_TAGS_PATCH
-	{  0,        0,     BAR_ALIGN_LEFT,   width_pwrl_tags,          draw_pwrl_tags,         click_pwrl_tags,         NULL,                    "powerline_tags" },
+	{  0,        0,     BAR_ALIGN_LEFT,   width_pwrl_tags,          draw_pwrl_tags,         click_pwrl_tags,         hover_pwrl_tags,         "powerline_tags" },
 	#endif // BAR_POWERLINE_TAGS_PATCH
 	#if BAR_TAGS_PATCH
 	{ -1,        0,     BAR_ALIGN_LEFT,   width_tags,               draw_tags,              click_tags,              hover_tags,              "tags" },
 	#endif // BAR_TAGS_PATCH
 	#if BAR_TAGLABELS_PATCH
-	{ -1,        0,     BAR_ALIGN_LEFT,   width_taglabels,          draw_taglabels,         click_taglabels,         NULL,                    "taglabels" },
+	{ -1,        0,     BAR_ALIGN_LEFT,   width_taglabels,          draw_taglabels,         click_taglabels,         hover_taglabels,         "taglabels" },
 	#endif // BAR_TAGLABELS_PATCH
 	#if BAR_TAGGRID_PATCH
 	{ -1,        0,     BAR_ALIGN_LEFT,   width_taggrid,            draw_taggrid,           click_taggrid,           NULL,                    "taggrid" },

patch/bar_powerline_tags.c

@@ -105,3 +105,57 @@ click_pwrl_tags(Bar *bar, Arg *arg, BarArg *a)
 	return ClkTagBar;
 }
 
+int
+hover_pwrl_tags(Bar *bar, BarArg *a, XMotionEvent *ev)
+{
+	#if BAR_TAGPREVIEW_PATCH
+	int i = 0, x = lrpad / 2;
+	int px, py;
+	int plw = drw->fonts->h / 2 + 1;
+	Monitor *m = bar->mon;
+	#if VANITYGAPS_PATCH
+	int ov = gappov;
+	int oh = gappoh;
+	#else
+	int ov = 0;
+	int oh = 0;
+	#endif // VANITYGAPS_PATCH
+
+	#if BAR_HIDEVACANTTAGS_PATCH
+	Client *c;
+	unsigned int occ = 0;
+	for (c = bar->mon->clients; c; c = c->next)
+		occ |= c->tags == 255 ? 0 : c->tags;
+	#endif // BAR_HIDEVACANTTAGS_PATCH
+
+	do {
+		#if BAR_HIDEVACANTTAGS_PATCH
+		if (!(occ & 1 << i || bar->mon->tagset[bar->mon->seltags] & 1 << i))
+			continue;
+		#endif // BAR_HIDEVACANTTAGS_PATCH
+		x += TEXTW(tagicon(bar->mon, i)) + plw;
+	} while (a->x >= x && ++i < NUMTAGS);
+
+	if (i < NUMTAGS) {
+		if ((i + 1) != selmon->previewshow && !(selmon->tagset[selmon->seltags] & 1 << i)) {
+			if (bar->by > m->my + m->mh / 2) // bottom bar
+				py = bar->by - m->mh / scalepreview - oh;
+			else // top bar
+				py = bar->by + bar->bh + oh;
+			px = bar->bx + ev->x - m->mw / scalepreview / 2;
+			if (px + m->mw / scalepreview > m->mx + m->mw)
+				px = m->wx + m->ww - m->mw / scalepreview - ov;
+			else if (px < bar->bx)
+				px = m->wx + ov;
+			selmon->previewshow = i + 1;
+			showtagpreview(i, px, py);
+		} else if (selmon->tagset[selmon->seltags] & 1 << i) {
+			hidetagpreview(selmon);
+		}
+	} else if (selmon->previewshow != 0) {
+		hidetagpreview(selmon);
+	}
+	#endif // BAR_TAGPREVIEW_PATCH
+
+	return 1;
+}

patch/bar_powerline_tags.h

@@ -1,4 +1,4 @@
 static int width_pwrl_tags(Bar *bar, BarArg *a);
 static int draw_pwrl_tags(Bar *bar, BarArg *a);
 static int click_pwrl_tags(Bar *bar, Arg *arg, BarArg *a);
-
+static int hover_pwrl_tags(Bar *bar, BarArg *a, XMotionEvent *ev);

patch/bar_taglabels.c

@@ -89,3 +89,48 @@ click_taglabels(Bar *bar, Arg *arg, BarArg *a)
 	}
 	return ClkTagBar;
 }
+
+int
+hover_taglabels(Bar *bar, BarArg *a, XMotionEvent *ev)
+{
+	#if BAR_TAGPREVIEW_PATCH
+	int i = 0, x = lrpad / 2;
+	int px, py;
+	Monitor *m = bar->mon;
+	#if VANITYGAPS_PATCH
+	int ov = gappov;
+	int oh = gappoh;
+	#else
+	int ov = 0;
+	int oh = 0;
+	#endif // VANITYGAPS_PATCH
+
+	do {
+		if (!m->taglabel[i][0])
+			continue;
+		x += TEXTW(m->taglabel[i]);
+	} while (a->x >= x && ++i < NUMTAGS);
+
+	if (i < NUMTAGS) {
+		if ((i + 1) != selmon->previewshow && !(selmon->tagset[selmon->seltags] & 1 << i)) {
+			if (bar->by > m->my + m->mh / 2) // bottom bar
+				py = bar->by - m->mh / scalepreview - oh;
+			else // top bar
+				py = bar->by + bar->bh + oh;
+			px = bar->bx + ev->x - m->mw / scalepreview / 2;
+			if (px + m->mw / scalepreview > m->mx + m->mw)
+				px = m->wx + m->ww - m->mw / scalepreview - ov;
+			else if (px < bar->bx)
+				px = m->wx + ov;
+			selmon->previewshow = i + 1;
+			showtagpreview(i, px, py);
+		} else if (selmon->tagset[selmon->seltags] & 1 << i) {
+			hidetagpreview(selmon);
+		}
+	} else if (selmon->previewshow != 0) {
+		hidetagpreview(selmon);
+	}
+	#endif // BAR_TAGPREVIEW_PATCH
+
+	return 1;
+}

patch/bar_taglabels.h

@@ -2,4 +2,5 @@
 
 static int width_taglabels(Bar *bar, BarArg *a);
 static int draw_taglabels(Bar *bar, BarArg *a);
-static int click_taglabels(Bar *bar, Arg *arg, BarArg *a);
+static int click_taglabels(Bar *bar, Arg *arg, BarArg *a);
+static int hover_taglabels(Bar *bar, BarArg *a, XMotionEvent *ev);