From 7e45aa5d2356191873fabd4a632bbf8ea1822e12 Mon Sep 17 00:00:00 2001
From: sorgelig <pour.garbage@gmail.com>
Date: Mon, 13 Jul 2020 03:03:08 +0800
Subject: [PATCH] Allow INI combo switch only in main or system page.

---
 input.cpp | 11 +++++++----
 menu.cpp  | 28 +++++++++++++++++++++++++++-
 menu.h    |  2 ++
 3 files changed, 36 insertions(+), 5 deletions(-)

diff --git a/input.cpp b/input.cpp
index 04fccd7..0016d4a 100644
--- a/input.cpp
+++ b/input.cpp
@@ -1534,10 +1534,13 @@ static void joy_digital(int jnum, uint32_t mask, uint32_t code, char press, int
 			struct input_event ev;
 			ev.type = EV_KEY;
 			ev.value = press;
+
+			int cfg_switch = menu_allow_cfg_switch() && (osdbtn & JOY_BTN2) && press;
+
 			switch (mask)
 			{
 			case JOY_RIGHT:
-				if (press && (osdbtn & JOY_BTN2))
+				if (cfg_switch)
 				{
 					user_io_set_ini(0);
 					osdbtn = 0;
@@ -1547,7 +1550,7 @@ static void joy_digital(int jnum, uint32_t mask, uint32_t code, char press, int
 				break;
 
 			case JOY_LEFT:
-				if (press && (osdbtn & JOY_BTN2))
+				if (cfg_switch)
 				{
 					user_io_set_ini(1);
 					osdbtn = 0;
@@ -1557,7 +1560,7 @@ static void joy_digital(int jnum, uint32_t mask, uint32_t code, char press, int
 				break;
 
 			case JOY_UP:
-				if (press && (osdbtn & JOY_BTN2))
+				if (cfg_switch)
 				{
 					user_io_set_ini(2);
 					osdbtn = 0;
@@ -1567,7 +1570,7 @@ static void joy_digital(int jnum, uint32_t mask, uint32_t code, char press, int
 				break;
 
 			case JOY_DOWN:
-				if (press && (osdbtn & JOY_BTN2))
+				if (cfg_switch)
 				{
 					user_io_set_ini(3);
 					osdbtn = 0;
diff --git a/menu.cpp b/menu.cpp
index 73229e9..f3225c6 100644
--- a/menu.cpp
+++ b/menu.cpp
@@ -843,6 +843,7 @@ static int wm_y = 0;
 static int wm_ok = 0;
 static int wm_side = 0;
 static uint16_t wm_pos[4] = {};
+static int page = 0;
 
 void HandleUI(void)
 {
@@ -881,7 +882,6 @@ void HandleUI(void)
 	static int flash_state = 0;
 	static uint32_t dip_submenu;
 	static int need_reset = 0;
-	static int page = 0;
 	static int flat = 0;
 	static int menusub_parent = 0;
 	static char title[32] = {};
@@ -5862,3 +5862,29 @@ int menu_lightgun_cb(uint16_t type, uint16_t code, int value)
 	}
 	return 0;
 }
+
+int menu_allow_cfg_switch()
+{
+	if (user_io_osd_is_visible())
+	{
+		switch (menustate)
+		{
+		case MENU_ST_MAIN2:
+		case MENU_ARCHIE_MAIN2:
+		case MENU_MAIN2:
+		case MENU_8BIT_SYSTEM2:
+		case MENU_SYSTEM2:
+			return 1;
+
+		case MENU_FILE_SELECT2:
+			if (is_menu() && (fs_Options & SCANO_CORES)) return 1;
+			break;
+
+		case MENU_8BIT_MAIN2:
+			if (!page) return 1;
+			break;
+		}
+	}
+
+	return 0;
+}
diff --git a/menu.h b/menu.h
index 4bb25f4..4ceb494 100644
--- a/menu.h
+++ b/menu.h
@@ -19,4 +19,6 @@ void substrcpy(char *d, char *s, char idx);
 void open_joystick_setup();
 int menu_lightgun_cb(uint16_t type, uint16_t code, int value);
 
+int menu_allow_cfg_switch();
+
 #endif