(GCW0/RS90) Enable configuration of the button combo used to toggle t…

…he menu:

- POWER or START+SELECT
- POWER or L3+R3
- POWER
- START+SELECT
Enables POWER button to be disabled, for users of simple menu/Adam image (where waking from sleep would otherwise cause the ReGBA menu to open)

source/opendingux/gui.c

@@ -1432,7 +1432,12 @@ static struct MenuEntry HotkeyMenu_FastForward = {
 	ENTRY_OPTIONAL_HOTKEY
 };
 
-#if !defined GCW_ZERO
+#if (defined(GCW_ZERO) || defined(RS90))
+static struct MenuEntry HotkeyMenu_MenuToggleCombo = {
+	ENTRY_OPTION("menu_toggle_combo", "Menu", &MenuToggleCombo),
+	.ChoiceCount = 4, .Choices = { { "Power/Start+Select", "power_or_start_select" }, { "Power/L3+R3", "power_or_l3_r3" }, { "Power", "power" },  { "Start+Select", "start_select" } }
+};
+#else
 static struct MenuEntry HotkeyMenu_Menu = {
 	ENTRY_OPTION("hotkey_menu", "Menu", &Hotkeys[1]),
 	ENTRY_MANDATORY_HOTKEY
@@ -1476,10 +1481,10 @@ static struct Menu HotkeyMenu = {
 	.Parent = &MainMenu, .Title = "Hotkeys",
 	.AlternateVersion = &PerGameHotkeyMenu,
 	.Entries = {
-#if !defined GCW_ZERO
-		&HotkeyMenu_Menu,
+#if (defined(GCW_ZERO) || defined(RS90))
+		&HotkeyMenu_MenuToggleCombo,
 #else
-		&Strut,
+		&HotkeyMenu_Menu,
 #endif
 		&HotkeyMenu_FastForward, &HotkeyMenu_FastForwardToggle, &HotkeyMenu_QuickLoadState, &HotkeyMenu_QuickSaveState, NULL
 	}

source/opendingux/od-input.c

@@ -149,6 +149,10 @@ enum OpenDingux_Buttons Hotkeys[5] = {
 	0,                            // Quick save state #1
 };
 
+#if (defined(GCW_ZERO) || defined(RS90))
+uint32_t MenuToggleCombo = 0;
+#endif
+
 // The menu keys, in decreasing order of priority when two or more are
 // pressed. For example, when the user keeps a direction pressed but also
 // presses A, start ignoring the direction.
@@ -362,6 +366,7 @@ enum ReGBA_Buttons ReGBA_GetPressedButtons()
 {
 	uint_fast8_t i;
 	enum ReGBA_Buttons Result = 0;
+	bool toggle_menu = false;
 
 	UpdateOpenDinguxButtons();
 
@@ -389,18 +394,42 @@ enum ReGBA_Buttons ReGBA_GetPressedButtons()
 	if ((Result & REGBA_BUTTON_UP) && (Result & REGBA_BUTTON_DOWN))
 		Result &= ~REGBA_BUTTON_UP;
 
-	if (
-#if defined(GCW_ZERO) || defined(RS90)
-	// Unified emulator menu buttons: Start+Select
-		((LastButtons & (OPENDINGUX_BUTTON_START | OPENDINGUX_BUTTON_SELECT)) == (OPENDINGUX_BUTTON_START | OPENDINGUX_BUTTON_SELECT))
+#if (defined(GCW_ZERO) || defined(RS90))
+	switch (MenuToggleCombo)
+	{
+		case MENU_TOGGLE_POWER_OR_L3_R3:
+			if ((LastButtons & OPENDINGUX_BUTTON_MENU) ||
+			    ((LastButtons & (OPENDINGUX_BUTTON_L3 | OPENDINGUX_BUTTON_R3)) ==
+					(OPENDINGUX_BUTTON_L3 | OPENDINGUX_BUTTON_R3)))
+				toggle_menu = true;
+		case MENU_TOGGLE_POWER:
+			if (LastButtons & OPENDINGUX_BUTTON_MENU)
+				toggle_menu = true;
+			break;
+		case MENU_TOGGLE_START_SELECT:
+			if ((LastButtons & (OPENDINGUX_BUTTON_START | OPENDINGUX_BUTTON_SELECT)) ==
+					(OPENDINGUX_BUTTON_START | OPENDINGUX_BUTTON_SELECT))
+				toggle_menu = true;
+			break;
+		case MENU_TOGGLE_POWER_OR_START_SELECT:
+		default:
+			if ((LastButtons & OPENDINGUX_BUTTON_MENU) ||
+			    ((LastButtons & (OPENDINGUX_BUTTON_START | OPENDINGUX_BUTTON_SELECT)) ==
+					(OPENDINGUX_BUTTON_START | OPENDINGUX_BUTTON_SELECT)))
+				toggle_menu = true;
+			break;
+	}
 #else
 	// The ReGBA Menu key should be pressed if ONLY the hotkey bound to it
 	// is pressed on the native device.
 	// This is not in ProcessSpecialKeys because REGBA_BUTTON_MENU needs to
 	// be returned by ReGBA_GetPressedButtons.
-		LastButtons == Hotkeys[1]
+	if ((LastButtons == Hotkeys[1]) ||
+	    (LastButtons & OPENDINGUX_BUTTON_MENU))
+	   toggle_menu = true;
 #endif
-	 || (LastButtons & OPENDINGUX_BUTTON_MENU))
+
+	if (toggle_menu)
 		Result |= REGBA_BUTTON_MENU;
 
 	return Result;

source/opendingux/od-input.h

@@ -80,6 +80,18 @@ enum Joystick_Stick_Axis {
 	JS_AXIS_RIGHT_VERTICAL   = 3,
 };
 
+#if (defined(GCW_ZERO) || defined(RS90))
+/* Note: We do not offer an L3+R3 combo *without*
+ * power, since this would lock users out of the
+ * menu on devices without L3/R3 buttons */
+enum Menu_Toggle_Combo {
+	MENU_TOGGLE_POWER_OR_START_SELECT = 0,
+	MENU_TOGGLE_POWER_OR_L3_R3        = 1,
+	MENU_TOGGLE_POWER                 = 2,
+	MENU_TOGGLE_START_SELECT          = 3,
+};
+#endif
+
 // 0 if not fast-forwarding.
 // Otherwise, the amount of frames to skip per rendered frame.
 // 1 amounts to targetting 200% real-time;
@@ -174,6 +186,15 @@ extern enum OpenDingux_Buttons KeypadRemapping[12];
 extern enum OpenDingux_Buttons PerGameHotkeys[5];
 extern enum OpenDingux_Buttons Hotkeys[5];
 
+#if (defined(GCW_ZERO) || defined(RS90))
+// A value indicating which button combos will open the menu.
+// 0 means POWER or START+SELECT
+// 1 means POWER or L3+R3
+// 2 means POWER
+// 3 means START+SELECT
+extern uint32_t MenuToggleCombo;
+#endif
+
 /*
  * Returns true if the given hotkey is completely impossible to input on the
  * port being compiled.

source/opendingux/settings.c

@@ -203,6 +203,10 @@ static void FixUpSettings()
 	if (IsImpossibleHotkey(PerGameHotkeys[4]))
 		PerGameHotkeys[4] = 0;
 
+#if (defined(GCW_ZERO) || defined(RS90))
+	MenuToggleCombo = (MenuToggleCombo > MENU_TOGGLE_START_SELECT) ? MENU_TOGGLE_START_SELECT : MenuToggleCombo;
+#endif
+
 	/* Colour correction and interframe blending options
 	 * are converted to an enum via bit manipulation. It
 	 * is therefore essential that the associated settings