[WIP] Qt: Add config window controls (#655)

* Qt: Add config window controls

* Fix Windows build

* Fix audio slider

* Qt configs: Make thread-safe, properly update audio enable & renderdoc settings

* Qt configs: Add `connectCheckbox` function

* Qt configs: Add `connectCheckbox` function

* Rename spuLayout

* Add Discord RPC reloading

* Allow configuring the app icon

* Qt: Serialize icon & theme, properly set them

* Add rnap and rcow icons

* Qt: Fix forceShadergen config

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Co-authored-by: wheremyfoodat <44909372+wheremyfoodat@users.noreply.github.com>

src/emulator.cpp

@@ -444,3 +444,24 @@ void Emulator::loadRenderdoc() {
 	Renderdoc::loadRenderdoc();
 	Renderdoc::setOutputDir(capturePath, "");
 }
+
+void Emulator::reloadSettings() {
+	setAudioEnabled(config.audioEnabled);
+
+	if (Renderdoc::isSupported() && config.enableRenderdoc && !Renderdoc::isLoaded()) {
+		loadRenderdoc();
+	}
+
+#ifdef PANDA3DS_ENABLE_DISCORD_RPC
+	// Reload RPC setting if we're compiling with RPC support
+
+	if (discordRpc.running() != config.discordRpcEnabled) {
+		if (config.discordRpcEnabled) {
+			discordRpc.init();
+			updateDiscord();
+		} else {
+			discordRpc.stop();
+		}
+	}
+#endif
+}