From 7d84e62be3bc8fd1a347269a70130f3b56d28fe6 Mon Sep 17 00:00:00 2001
From: P. J. McDermott <pj@pehjota.net>
Date: Wed, 03 Oct 2018 18:52:03 -0400
Subject: MqTabLabel: Keep or revert custom title

---
(limited to 'src')

diff --git a/src/tab-label.c b/src/tab-label.c
index 35f1c91..e3b7ee3 100644
--- a/src/tab-label.c
+++ b/src/tab-label.c
@@ -40,6 +40,7 @@ struct _MqTabLabel {
 	GtkWidget     *label;
 	guint          position;
 	gchar         *title;
+	gchar         *custom_title;
 	gboolean       scrolling;
 	gchar         *scrolled_title;
 	gchar         *scrolled_markup;
@@ -179,13 +180,22 @@ update_label(MqTabLabel *tab_label)
 		gtk_label_set_markup(GTK_LABEL(tab_label->label), label);
 	} else {
 		label = g_strdup_printf("%u. %s", tab_label->position,
-			tab_label->title);
+			(tab_label->custom_title && tab_label->custom_title[0])
+				? tab_label->custom_title : tab_label->title);
 		gtk_label_set_text(GTK_LABEL(tab_label->label), label);
 		gtk_label_set_use_markup(GTK_LABEL(tab_label->label), FALSE);
 	}
 	g_free(label);
 }
 
+/*
+ * Title setting logic:
+ *     !custom &&  title:   set normal title and use normal title
+ *     !custom && !title:   set normal title and use normal title
+ *      custom &&  title:   set custom title and use custom title
+ *      custom && !title: unset custom title and use normal title
+ */
+
 static void
 set_title(MqTabLabel *tab_label, const gchar *title)
 {
@@ -201,10 +211,26 @@ set_title(MqTabLabel *tab_label, const gchar *title)
 static void
 set_custom_title(MqTabLabel *tab_label, const gchar *title)
 {
-	/* TODO: Handle empty string.  Set custom title instead of overriding
-	 * (temporarily) regular title. */
-	mq_tab_page_set_title(tab_label->tab_page, title);
-	set_title(tab_label, title);
+	if (title && title[0]) {
+		g_free(tab_label->custom_title);
+		tab_label->custom_title = g_strdup(title);
+		if (tab_label->scrolling) {
+			mq_tab_label_begin_scrolling(tab_label);
+		}
+		update_label(tab_label);
+		gtk_widget_set_tooltip_text(GTK_WIDGET(tab_label), title);
+		mq_tab_page_set_title(tab_label->tab_page, title);
+	} else {
+		g_free(tab_label->custom_title);
+		tab_label->custom_title = NULL;
+		if (tab_label->scrolling) {
+			mq_tab_label_begin_scrolling(tab_label);
+		}
+		update_label(tab_label);
+		gtk_widget_set_tooltip_text(GTK_WIDGET(tab_label),
+			tab_label->title);
+		mq_tab_page_set_title(tab_label->tab_page, NULL);
+	}
 }
 
 static void
@@ -324,7 +350,9 @@ create_name_popover(MqTabLabel *tab_label)
 		G_CALLBACK(name_entry_changed_cb), NULL);
 	g_signal_connect(GTK_ENTRY(tab_label->name_entry), "icon-press",
 		G_CALLBACK(name_entry_icon_press_cb), NULL);
-	gtk_entry_set_text(GTK_ENTRY(tab_label->name_entry), tab_label->title);
+	gtk_entry_set_text(GTK_ENTRY(tab_label->name_entry),
+		(tab_label->custom_title && tab_label->custom_title[0]) ?
+			tab_label->custom_title : tab_label->title);
 
 	/* Close button */
 	close_button = gtk_button_new_from_icon_name("window-close",
@@ -511,7 +539,9 @@ mq_tab_label_begin_scrolling(MqTabLabel *tab_label)
 	tab_label->scrolling = TRUE;
 	g_free(tab_label->scrolled_title);
 	g_free(tab_label->scrolled_markup);
-	tab_label->scrolled_title = g_strdup_printf("%s    ", tab_label->title);
+	tab_label->scrolled_title = g_strdup_printf("%s    ",
+		(tab_label->custom_title && tab_label->custom_title[0]) ?
+			tab_label->custom_title : tab_label->title);
 	tab_label->scrolled_markup = g_markup_printf_escaped(SCROLLED_TITLE_FMT,
 		tab_label->scrolled_title);
 }
--
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