feat(input): add host input remapping

Add compact keyboard and mouse mapping with analog-stick defaults and integrate a global remapping editor into the Qt launcher.

Based on the host input remapping work from PR #109.

Co-authored-by: DistantMyth <thetarun3@gmail.com>

src/common/emulatorConfig.cpp

@@ -101,4 +101,8 @@ bool ReadbackLinearImagesEnabled() {
 	return g_config->readback_linear_images;
 }
 
+const Keymap& GetKeymap() {
+	return g_config->keymap;
+}
+
 } // namespace Config

src/common/emulatorConfig.h

@@ -5,6 +5,8 @@
 #include "common/subsystems.h"
 
 #include <filesystem>
+#include <string>
+#include <vector>
 
 namespace Config {
 
@@ -18,6 +20,8 @@ enum class ProfilerDirection { None, Network };
 
 enum class OutputDirection { Silent, Console, File };
 
+using Keymap = std::vector<std::string>;
+
 constexpr uint32_t DEFAULT_CONSOLE_LANGUAGE = 1;
 constexpr uint32_t MAX_CONSOLE_LANGUAGE     = 29;
 
@@ -41,6 +45,7 @@ struct ConfigOptions {
 	bool                   spirv_debug_printf_enabled  = false;
 	bool                   renderdoc_enabled           = false;
 	bool                   readback_linear_images      = false;
+	Keymap                 keymap;
 };
 
 void Load(const ConfigOptions& cfg);
@@ -72,6 +77,8 @@ bool SpirvDebugPrintfEnabled();
 bool RenderDocEnabled();
 bool ReadbackLinearImagesEnabled();
 
+const Keymap& GetKeymap();
+
 } // namespace Config
 
 #endif /* KYTY_COMMON_EMULATOR_CONFIG_H_ */