Added keyboard and mouse input remapping, rudimentary mouse movement to joystick logic and more

CMakeLists.txt

@@ -724,6 +724,8 @@ set(IMGUI src/imgui/imgui_config.h
 
 set(INPUT src/input/controller.cpp
           src/input/controller.h
+          src/input/input_handler.cpp
+          src/input/input_handler.h
 )
 
 set(EMULATOR src/emulator.cpp
@@ -771,6 +773,10 @@ set(QT_GUI src/qt_gui/about_dialog.cpp
            src/qt_gui/trophy_viewer.h
            src/qt_gui/elf_viewer.cpp
            src/qt_gui/elf_viewer.h
+           src/qt_gui/kbm_config_dialog.cpp
+           src/qt_gui/kbm_config_dialog.h
+           src/qt_gui/kbm_help_dialog.cpp
+           src/qt_gui/kbm_help_dialog.h
            src/qt_gui/main_window_themes.cpp
            src/qt_gui/main_window_themes.h
            src/qt_gui/settings_dialog.cpp

README.md

@@ -74,37 +74,39 @@ Check the build instructions for [**macOS**](https://github.com/shadps4-emu/shad
 
 For more information on how to test, debug and report issues with the emulator or games, read the [**Debugging documentation**](https://github.com/shadps4-emu/shadPS4/blob/main/documents/Debugging/Debugging.md).
 
-# Keyboard mapping
+# Keyboard and Mouse Mappings
 
 > [!NOTE]
 > Xbox and DualShock controllers work out of the box.
 
-| Controller button | Keyboard equivelant |
-|-------------|-------------|
-LEFT AXIS UP | W |
-LEFT AXIS DOWN | S |
-LEFT AXIS LEFT | A |
-LEFT AXIS RIGHT | D |
-RIGHT AXIS UP | I |
-RIGHT AXIS DOWN | K |
-RIGHT AXIS LEFT | J |
-RIGHT AXIS RIGHT | L |
-TRIANGLE | Numpad 8 |
-CIRCLE | Numpad 6 |
-CROSS | Numpad 2 |
-SQUARE | Numpad 4 |
-PAD UP | UP |
-PAD DOWN | DOWN |
-PAD LEFT | LEFT |
-PAD RIGHT | RIGHT |
-OPTIONS | RETURN |
-BACK BUTTON / TOUCH PAD | SPACE |
-L1 | Q |
-R1 | U |
-L2 | E |
-R2 | O |
-L3 | X |
-R3 | M |
+The default controls are inspired by the *Elden Ring* PC controls. Inputs support up to three keys per binding, mouse buttons, mouse movement mapped to joystick input, and more.
+
+| Action      | Default Key(s)              |
+|-------------|-----------------------------|
+| Triangle    | F                           |
+| Circle      | Space                       |
+| Cross       | E                           |
+| Square      | R                           |
+| Pad Up      | W, LAlt / Mouse Wheel Up    |
+| Pad Down    | S, LAlt / Mouse Wheel Down  |
+| Pad Left    | A, LAlt / Mouse Wheel Left  |
+| Pad Right   | D, LAlt / Mouse Wheel Right |
+| L1          | Right Button, LShift        |
+| R1          | Left Button                 |
+| L2          | Right Button                |
+| R2          | Left Button, LShift         |
+| L3          | X                           |
+| R3          | Q / Middle Button          |
+| Options     | Escape                      |
+| Touchpad    | G                           |
+
+| Joystick           | Default Input  |
+|--------------------|----------------|
+| Left Joystick      | WASD           |
+| Right Joystick     | Mouse movement |
+
+Keyboard and mouse inputs can be customized in the settings menu by clicking the Controller button, and further details and help on controls are  also found there. Custom bindings are saved per-game.
+
 
 # Main team
 

src/common/config.cpp

@@ -701,4 +701,82 @@ void setDefaultValues() {
     gpuId = -1;
 }
 
+constexpr std::string_view GetDefaultKeyboardConfig() {
+    return R"(#Feeling lost? Check out the Help section!
+
+triangle = f
+circle = space
+cross = e
+square = r
+
+up = w, lalt
+up = mousewheelup
+down = s, lalt
+down = mousewheeldown
+left = a, lalt
+left = mousewheelleft
+right = d, lalt
+right = mousewheelright
+
+l1 = rightbutton, lshift
+r1 = leftbutton
+l2 = rightbutton
+r2 = leftbutton, lshift
+l3 = x
+r3 = q
+r3 = middlebutton
+
+key_toggle = i, lalt
+
+options = escape
+touchpad = g
+
+
+mouse_to_joystick = right
+mouse_movement_params = 1, 0.5, 0.125
+
+leftjoystick_halfmode = lctrl
+
+axis_left_x_minus = a
+axis_left_x_plus = d
+axis_left_y_minus = w
+axis_left_y_plus = s
+)";
+}
+std::filesystem::path GetFoolproofKbmConfigFile(const std::string& game_id) {
+    // Read configuration file of the game, and if it doesn't exist, generate it from default
+    // If that doesn't exist either, generate that from getDefaultConfig() and try again
+    // If even the folder is missing, we start with that.
+
+    const auto config_dir = Common::FS::GetUserPath(Common::FS::PathType::UserDir) / "kbmConfig";
+    const auto config_file = config_dir / (game_id + ".ini");
+    const auto default_config_file = config_dir / "default.ini";
+
+    // Ensure the config directory exists
+    if (!std::filesystem::exists(config_dir)) {
+        std::filesystem::create_directories(config_dir);
+    }
+
+    // Check if the default config exists
+    if (!std::filesystem::exists(default_config_file)) {
+        // If the default config is also missing, create it from getDefaultConfig()
+        const auto default_config = GetDefaultKeyboardConfig();
+        std::ofstream default_config_stream(default_config_file);
+        if (default_config_stream) {
+            default_config_stream << default_config;
+        }
+    }
+
+    // if empty, we only need to execute the function up until this point
+    if (game_id.empty()) {
+        return default_config_file;
+    }
+
+    // If game-specific config doesn't exist, create it from the default config
+    if (!std::filesystem::exists(config_file)) {
+        std::filesystem::copy(default_config_file, config_file);
+    }
+    return config_file;
+}
+
 } // namespace Config

src/common/config.h

@@ -123,6 +123,9 @@ std::string getEmulatorLanguage();
 
 void setDefaultValues();
 
+// todo: name and function location pending
+std::filesystem::path GetFoolproofKbmConfigFile(const std::string& game_id = "");
+
 // settings
 u32 GetLanguage();
 }; // namespace Config