mGUI: Add variants

CHANGES

@@ -108,8 +108,10 @@ Bugfixes:
  - 3DS: Fix unused screens not clearing (fixes mgba.io/i/1184)
  - GBA Video: Fix caching with background toggling (fixes mgba.io/i/1118)
  - Wii: Fix drawing caching regression (fixes mgba.io/i/1185)
+ - Switch: Fix incorrect mapping for fast forward cap
 Misc:
  - mGUI: Add SGB border configuration option
+ - mGUI: Add support for different settings types
 
 0.7 beta 1: (2018-09-24)
 - Initial beta for 0.7

include/mgba-util/gui/menu.h

@@ -12,12 +12,37 @@ CXX_GUARD_START
 
 #include <mgba-util/vector.h>
 
+#define GUI_V_V (struct GUIVariant) { .type = GUI_VARIANT_VOID }
+#define GUI_V_U(U) (struct GUIVariant) { .type = GUI_VARIANT_UNSIGNED, .v.u = (U) }
+#define GUI_V_I(I) (struct GUIVariant) { .type = GUI_VARIANT_INT, .v.i = (I) }
+#define GUI_V_F(F) (struct GUIVariant) { .type = GUI_VARIANT_FLOAT, .v.f = (F) }
+#define GUI_V_S(S) (struct GUIVariant) { .type = GUI_VARIANT_STRING, .v.s = (S) }
+
+enum GUIVariantType {
+	GUI_VARIANT_VOID = 0,
+	GUI_VARIANT_UNSIGNED,
+	GUI_VARIANT_INT,
+	GUI_VARIANT_FLOAT,
+	GUI_VARIANT_STRING
+};
+
+struct GUIVariant {
+	enum GUIVariantType type;
+	union {
+		unsigned u;
+		int i;
+		float f;
+		const char* s;
+	} v;
+};
+
 struct GUIMenu;
 struct GUIMenuItem {
 	const char* title;
 	void* data;
 	unsigned state;
 	const char* const* validStates;
+	const struct GUIVariant* stateMappings;
 	unsigned nStates;
 	struct GUIMenu* submenu;
 };

src/feature/gui/gui-config.c

@@ -162,7 +162,50 @@ void mGUIShowConfig(struct mGUIRunner* runner, struct GUIMenuItem* extra, size_t
 		if (!item->validStates || !item->data) {
 			continue;
 		}
-		mCoreConfigGetUIntValue(&runner->config, item->data, &item->state);
+		if (item->stateMappings) {
+			item->state = 0;
+
+			size_t j;
+			for (j = 0; j < item->nStates; ++j) {
+				const struct GUIVariant* v = &item->stateMappings[j];
+				struct GUIVariant test;
+				switch (v->type) {
+				case GUI_VARIANT_VOID:
+					if (!mCoreConfigGetValue(&runner->config, item->data)) {
+						item->state = j;
+						break;
+					}
+					break;
+				case GUI_VARIANT_UNSIGNED:
+					if (mCoreConfigGetUIntValue(&runner->config, item->data, &test.v.u) && test.v.u == v->v.u) {
+						item->state = j;
+						break;
+					}
+					break;
+				case GUI_VARIANT_INT:
+					if (mCoreConfigGetIntValue(&runner->config, item->data, &test.v.i) && test.v.i == v->v.i) {
+						item->state = j;
+						break;
+					}
+					break;
+				case GUI_VARIANT_FLOAT:
+					if (mCoreConfigGetFloatValue(&runner->config, item->data, &test.v.f) && fabsf(test.v.f - v->v.f) <= 1e-3f) {
+						item->state = j;
+						break;
+					}
+					break;
+				case GUI_VARIANT_STRING:
+					test.v.s = mCoreConfigGetValue(&runner->config, item->data);
+					if (test.v.s && strcmp(test.v.s, v->v.s) == 0) {
+						item->state = j;
+						break;						
+					}
+					break;
+				}
+			}
+		} else {
+			mCoreConfigGetUIntValue(&runner->config, item->data, &item->state);
+		}
 	}
 
 	while (true) {
@@ -188,7 +231,28 @@ void mGUIShowConfig(struct mGUIRunner* runner, struct GUIMenuItem* extra, size_t
 				if (!item->validStates || !item->data) {
 					continue;
 				}
-				mCoreConfigSetUIntValue(&runner->config, item->data, item->state);
+				if (item->stateMappings) {
+					const struct GUIVariant* v = &item->stateMappings[item->state];
+					switch (v->type) {
+					case GUI_VARIANT_VOID:
+						mCoreConfigSetValue(&runner->config, item->data, NULL);
+						break;
+					case GUI_VARIANT_UNSIGNED:
+						mCoreConfigSetUIntValue(&runner->config, item->data, v->v.u);
+						break;
+					case GUI_VARIANT_INT:
+						mCoreConfigSetUIntValue(&runner->config, item->data, v->v.i);
+						break;
+					case GUI_VARIANT_FLOAT:
+						mCoreConfigSetFloatValue(&runner->config, item->data, v->v.f);
+						break;
+					case GUI_VARIANT_STRING:
+						mCoreConfigSetValue(&runner->config, item->data, v->v.s);
+						break;
+					}
+				} else {
+					mCoreConfigSetUIntValue(&runner->config, item->data, item->state);
+				}
 			}
 			if (runner->keySources) {
 				size_t i;

src/platform/switch/main.c

@@ -528,6 +528,23 @@ int main(int argc, char* argv[]) {
 					"10", "11", "12", "13", "14", "15",
 					"20", "30"
 				},
+				.stateMappings = (const struct GUIVariant[]) {
+					GUI_V_U(3),
+					GUI_V_U(4),
+					GUI_V_U(5),
+					GUI_V_U(6),
+					GUI_V_U(7),
+					GUI_V_U(8),
+					GUI_V_U(9),
+					GUI_V_U(10),
+					GUI_V_U(11),
+					GUI_V_U(12),
+					GUI_V_U(13),
+					GUI_V_U(14),
+					GUI_V_U(15),
+					GUI_V_U(20),
+					GUI_V_U(30),
+				},
 				.nStates = 15
 			},
 		},