From b8cc43eb914a1d66b94dc917f27d9609266d4a01 Mon Sep 17 00:00:00 2001
From: =?UTF-8?q?P=C5=99emysl=20Eric=20Janouch?= <p@janouch.name>
Date: Sat, 13 Nov 2021 10:04:40 +0100
Subject: [PATCH] Bind the mouse back button on the view

---
 fastiv-view.c |  2 +-
 fastiv.c      | 13 +++++++++++++
 2 files changed, 14 insertions(+), 1 deletion(-)

diff --git a/fastiv-view.c b/fastiv-view.c
index a8b879e..b7dda61 100644
--- a/fastiv-view.c
+++ b/fastiv-view.c
@@ -100,7 +100,7 @@ fastiv_view_realize(GtkWidget *widget)
 		// than what we get automatically.
 		.visual = gtk_widget_get_visual(widget),
 		.event_mask = gtk_widget_get_events(widget) | GDK_SCROLL_MASK |
-			GDK_KEY_PRESS_MASK,
+			GDK_KEY_PRESS_MASK | GDK_BUTTON_PRESS_MASK,
 	};
 
 	// We need this window to receive input events at all.
diff --git a/fastiv.c b/fastiv.c
index 7aee564..f5fd463 100644
--- a/fastiv.c
+++ b/fastiv.c
@@ -317,6 +317,17 @@ on_key_press_view(G_GNUC_UNUSED GtkWidget *widget, GdkEventKey *event,
 	return FALSE;
 }
 
+static gboolean
+on_button_press_view(G_GNUC_UNUSED GtkWidget *widget, GdkEventButton *event)
+{
+	if (!(event->state & gtk_accelerator_get_default_mod_mask()) &&
+		event->button == 8 /* back */) {
+		gtk_stack_set_visible_child(GTK_STACK(g.stack), g.browser_scroller);
+		return TRUE;
+	}
+	return FALSE;
+}
+
 int
 main(int argc, char *argv[])
 {
@@ -377,6 +388,8 @@ main(int argc, char *argv[])
 	gtk_widget_set_hexpand(g.view, TRUE);
 	g_signal_connect(g.view, "key-press-event",
 		G_CALLBACK(on_key_press_view), NULL);
+	g_signal_connect(g.view, "button-press-event",
+		G_CALLBACK(on_button_press_view), NULL);
 	gtk_container_add(GTK_CONTAINER(g.view_scroller), g.view);
 	gtk_widget_show_all(g.view_scroller);