From 891420edfda753181db6b9b3ef5b03db22ae6025 Mon Sep 17 00:00:00 2001
From: =?UTF-8?q?P=C5=99emysl=20Eric=20Janouch?= <p@janouch.name>
Date: Fri, 22 Jul 2022 16:16:09 +0200
Subject: [PATCH] Handle back/forward mouse buttons on Win32/macOS

There is no conflict with X11/Wayland, because 4/5 are the scroll wheel,
which never gets forwarded to button-press-event.
---
 fiv.c | 3 +++
 1 file changed, 3 insertions(+)

diff --git a/fiv.c b/fiv.c
index b190922..a99c39a 100644
--- a/fiv.c
+++ b/fiv.c
@@ -1299,6 +1299,7 @@ on_button_press_view(G_GNUC_UNUSED GtkWidget *widget, GdkEventButton *event)
 	if ((event->state & gtk_accelerator_get_default_mod_mask()))
 		return FALSE;
 	switch (event->button) {
+	case 4:  // back (GdkWin32, GdkQuartz)
 	case 8:  // back
 		switch_to_browser();
 		return TRUE;
@@ -1320,10 +1321,12 @@ on_button_press_browser_paned(
 	if ((event->state & gtk_accelerator_get_default_mod_mask()))
 		return FALSE;
 	switch (event->button) {
+	case 4:  // back (GdkWin32, GdkQuartz)
 	case 8:  // back
 		if (g.directory_back)
 			load_directory(g.directory_back->data);
 		return TRUE;
+	case 5:  // forward (GdkWin32, GdkQuartz)
 	case 9:  // forward
 		if (g.directory_forward)
 			load_directory(g.directory_forward->data);