From 1322d264cc0949fe99abf30e94807940926320b3 Mon Sep 17 00:00:00 2001
From: Patrick McDermott <pj@pehjota.net>
Date: Fri, 22 Sep 2017 01:51:34 -0400
Subject: MqTab: Make tab list scrollable

---
diff --git a/src/tab.c b/src/tab.c
index 8667b22..978d0d5 100644
--- a/src/tab.c
+++ b/src/tab.c
@@ -69,6 +69,7 @@ tab_label_button_press_cb(GtkWidget *widget, GdkEvent *event, MqTab *tab)
 	GtkWidget *buttons[BUTTON_ROWS * BUTTON_COLS];
 	GtkWidget *box;
 	GtkWidget *tab_list;
+	GtkWidget *tab_list_scrolled_window;
 	GtkWidget *popover;  /* TODO: Add to MqWindow */
 
 	/* Make sure this is a right mouse button press event. */
@@ -96,11 +97,26 @@ tab_label_button_press_cb(GtkWidget *widget, GdkEvent *event, MqTab *tab)
 
 	/* Set up the tab list. */
 	tab_list = gtk_label_new("Tab list");
-	gtk_box_pack_start(GTK_BOX(box), tab_list,
+
+	/* Set up the tab list scrolled window.
+	 *
+	 * The following GtkScrolledWindow widget has a hardcoded minimum size,
+	 * because there seems to be (in GTK+ versions before 3.22) no way to
+	 * set the natural size of GtkScrolledWindow and its GtkViewport.
+	 *
+	 * See tab-chrome.c for more information. */
+	tab_list_scrolled_window = gtk_scrolled_window_new(NULL, NULL);
+	gtk_scrolled_window_set_min_content_width(
+		GTK_SCROLLED_WINDOW(tab_list_scrolled_window), 400);
+	gtk_scrolled_window_set_min_content_height(
+		GTK_SCROLLED_WINDOW(tab_list_scrolled_window), 200);
+	gtk_container_add(GTK_CONTAINER(tab_list_scrolled_window), tab_list);
+	gtk_box_pack_start(GTK_BOX(box), tab_list_scrolled_window,
 		TRUE, FALSE, 0);
 
 	g_signal_connect(buttons[1 * BUTTON_COLS + 3], "toggled",
-		G_CALLBACK(tab_list_button_toggled_cb), tab_list);
+		G_CALLBACK(tab_list_button_toggled_cb),
+		tab_list_scrolled_window);
 
 	/* Set up the popover. */
 	popover = gtk_popover_new(widget);
@@ -108,7 +124,7 @@ tab_label_button_press_cb(GtkWidget *widget, GdkEvent *event, MqTab *tab)
 
 	/* NB: gtk_popover_popup() is new in GTK+ 3.22. */
 	gtk_widget_show_all(popover);
-	gtk_widget_hide(tab_list);
+	gtk_widget_hide(tab_list_scrolled_window);
 
 	return FALSE;
 }
--
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