Add Overlay Mouse, Lightgun, and Pointer (libretro#16343)

- When enabled, any touch inputs not in a hitbox are used to create pointing device input for the core.
- Mouse: 1-, 2-, 3-touch inputs are LMB, RMB, and MMB
- Lightgun: allows input from overlay buttons or multi-touch mappings

config.def.h

@@ -602,6 +602,24 @@
 #define DEFAULT_INPUT_OVERLAY_AUTO_SCALE false
 #endif
 
+#if defined(RARCH_MOBILE)
+#define DEFAULT_INPUT_OVERLAY_POINTER_ENABLE true
+#else
+#define DEFAULT_INPUT_OVERLAY_POINTER_ENABLE false
+#endif
+
+#define DEFAULT_INPUT_OVERLAY_LIGHTGUN_PORT -1
+#define DEFAULT_INPUT_OVERLAY_LIGHTGUN_TRIGGER_ON_TOUCH true
+#define DEFAULT_INPUT_OVERLAY_LIGHTGUN_TRIGGER_DELAY 1
+#define DEFAULT_INPUT_OVERLAY_LIGHTGUN_MULTI_TOUCH_INPUT 0
+#define DEFAULT_INPUT_OVERLAY_LIGHTGUN_ALLOW_OFFSCREEN true
+#define DEFAULT_INPUT_OVERLAY_MOUSE_SPEED 1.0f
+#define DEFAULT_INPUT_OVERLAY_MOUSE_HOLD_TO_DRAG true
+#define DEFAULT_INPUT_OVERLAY_MOUSE_HOLD_MSEC 200
+#define DEFAULT_INPUT_OVERLAY_MOUSE_DTAP_TO_DRAG false
+#define DEFAULT_INPUT_OVERLAY_MOUSE_DTAP_MSEC 200
+#define DEFAULT_INPUT_OVERLAY_MOUSE_SWIPE_THRESHOLD 1.0f
+
 #ifdef UDEV_TOUCH_SUPPORT
 #define DEFAULT_INPUT_TOUCH_VMOUSE_POINTER true
 #define DEFAULT_INPUT_TOUCH_VMOUSE_MOUSE true

configuration.c

@@ -2059,6 +2059,11 @@ static struct config_bool_setting *populate_settings_bool(
    SETTING_BOOL("input_overlay_auto_rotate",     &settings->bools.input_overlay_auto_rotate, true, DEFAULT_OVERLAY_AUTO_ROTATE, false);
    SETTING_BOOL("input_overlay_auto_scale",      &settings->bools.input_overlay_auto_scale, true, DEFAULT_INPUT_OVERLAY_AUTO_SCALE, false);
    SETTING_BOOL("input_osk_overlay_auto_scale",  &settings->bools.input_osk_overlay_auto_scale, true, DEFAULT_INPUT_OVERLAY_AUTO_SCALE, false);
+   SETTING_BOOL("input_overlay_pointer_enable",  &settings->bools.input_overlay_pointer_enable, true, DEFAULT_INPUT_OVERLAY_POINTER_ENABLE, false);
+   SETTING_BOOL("input_overlay_lightgun_trigger_on_touch", &settings->bools.input_overlay_lightgun_trigger_on_touch, true, DEFAULT_INPUT_OVERLAY_LIGHTGUN_TRIGGER_ON_TOUCH, false);
+   SETTING_BOOL("input_overlay_lightgun_allow_offscreen",  &settings->bools.input_overlay_lightgun_allow_offscreen, true, DEFAULT_INPUT_OVERLAY_LIGHTGUN_ALLOW_OFFSCREEN, false);
+   SETTING_BOOL("input_overlay_mouse_hold_to_drag", &settings->bools.input_overlay_mouse_hold_to_drag, true, DEFAULT_INPUT_OVERLAY_MOUSE_HOLD_TO_DRAG, false);
+   SETTING_BOOL("input_overlay_mouse_dtap_to_drag", &settings->bools.input_overlay_mouse_dtap_to_drag, true, DEFAULT_INPUT_OVERLAY_MOUSE_DTAP_TO_DRAG, false);
 #endif
 #ifdef UDEV_TOUCH_SUPPORT
    SETTING_BOOL("input_touch_vmouse_pointer",    &settings->bools.input_touch_vmouse_pointer, true, DEFAULT_INPUT_TOUCH_VMOUSE_POINTER, false);
@@ -2249,6 +2254,8 @@ static struct config_float_setting *populate_settings_float(
    SETTING_FLOAT("input_overlay_y_separation_portrait",   &settings->floats.input_overlay_y_separation_portrait, true, DEFAULT_INPUT_OVERLAY_Y_SEPARATION_PORTRAIT, false);
    SETTING_FLOAT("input_overlay_x_offset_portrait",       &settings->floats.input_overlay_x_offset_portrait, true, DEFAULT_INPUT_OVERLAY_X_OFFSET_PORTRAIT, false);
    SETTING_FLOAT("input_overlay_y_offset_portrait",       &settings->floats.input_overlay_y_offset_portrait, true, DEFAULT_INPUT_OVERLAY_Y_OFFSET_PORTRAIT, false);
+   SETTING_FLOAT("input_overlay_mouse_speed",             &settings->floats.input_overlay_mouse_speed, true, DEFAULT_INPUT_OVERLAY_MOUSE_SPEED, false);
+   SETTING_FLOAT("input_overlay_mouse_swipe_threshold",   &settings->floats.input_overlay_mouse_swipe_threshold, true, DEFAULT_INPUT_OVERLAY_MOUSE_SWIPE_THRESHOLD, false);
 #endif
 
 #ifdef _3DS
@@ -2528,6 +2535,15 @@ static struct config_uint_setting *populate_settings_uint(
    SETTING_UINT("steam_rich_presence_format",    &settings->uints.steam_rich_presence_format, true, DEFAULT_STEAM_RICH_PRESENCE_FORMAT, false);
 #endif
 
+#ifdef HAVE_OVERLAY
+   SETTING_UINT("input_overlay_lightgun_trigger_delay",     &settings->uints.input_overlay_lightgun_trigger_delay, true, DEFAULT_INPUT_OVERLAY_LIGHTGUN_TRIGGER_DELAY, false);
+   SETTING_UINT("input_overlay_lightgun_two_touch_input",   &settings->uints.input_overlay_lightgun_two_touch_input, true, DEFAULT_INPUT_OVERLAY_LIGHTGUN_MULTI_TOUCH_INPUT, false);
+   SETTING_UINT("input_overlay_lightgun_three_touch_input", &settings->uints.input_overlay_lightgun_three_touch_input, true, DEFAULT_INPUT_OVERLAY_LIGHTGUN_MULTI_TOUCH_INPUT, false);
+   SETTING_UINT("input_overlay_lightgun_four_touch_input",  &settings->uints.input_overlay_lightgun_four_touch_input, true, DEFAULT_INPUT_OVERLAY_LIGHTGUN_MULTI_TOUCH_INPUT, false);
+   SETTING_UINT("input_overlay_mouse_hold_msec",            &settings->uints.input_overlay_mouse_hold_msec, true, DEFAULT_INPUT_OVERLAY_MOUSE_HOLD_MSEC, false);
+   SETTING_UINT("input_overlay_mouse_dtap_msec",            &settings->uints.input_overlay_mouse_dtap_msec, true, DEFAULT_INPUT_OVERLAY_MOUSE_DTAP_MSEC, false);
+#endif
+
    *size = count;
 
    return tmp;
@@ -2599,6 +2615,10 @@ static struct config_int_setting *populate_settings_int(
    SETTING_INT("bottom_font_color_opacity",      &settings->ints.bottom_font_color_opacity, true, DEFAULT_BOTTOM_FONT_COLOR, false);
 #endif
 
+#ifdef HAVE_OVERLAY
+   SETTING_INT("input_overlay_lightgun_port",    &settings->ints.input_overlay_lightgun_port, true, DEFAULT_INPUT_OVERLAY_LIGHTGUN_PORT, false);
+#endif
+
    *size = count;
 
    return tmp;

configuration.h

@@ -134,6 +134,9 @@ typedef struct settings
 #ifdef HAVE_XMB
       int menu_xmb_title_margin;
       int menu_xmb_title_margin_horizontal_offset;
+#endif
+#ifdef HAVE_OVERLAY
+      int input_overlay_lightgun_port;
 #endif
    } ints;
 
@@ -319,6 +322,12 @@ typedef struct settings
       unsigned input_overlay_show_inputs_port;
       unsigned input_overlay_dpad_diagonal_sensitivity;
       unsigned input_overlay_abxy_diagonal_sensitivity;
+      unsigned input_overlay_lightgun_trigger_delay;
+      unsigned input_overlay_lightgun_two_touch_input;
+      unsigned input_overlay_lightgun_three_touch_input;
+      unsigned input_overlay_lightgun_four_touch_input;
+      unsigned input_overlay_mouse_hold_msec;
+      unsigned input_overlay_mouse_dtap_msec;
 #endif
 
       unsigned run_ahead_frames;
@@ -418,6 +427,9 @@ typedef struct settings
       float input_overlay_x_offset_portrait;
       float input_overlay_y_offset_portrait;
 
+      float input_overlay_mouse_speed;
+      float input_overlay_mouse_swipe_threshold;
+
       float slowmotion_ratio;
       float fastforward_ratio;
       float input_analog_deadzone;
@@ -664,6 +676,11 @@ typedef struct settings
       bool input_overlay_auto_rotate;
       bool input_overlay_auto_scale;
       bool input_osk_overlay_auto_scale;
+      bool input_overlay_pointer_enable;
+      bool input_overlay_lightgun_trigger_on_touch;
+      bool input_overlay_lightgun_allow_offscreen;
+      bool input_overlay_mouse_hold_to_drag;
+      bool input_overlay_mouse_dtap_to_drag;
       bool input_descriptor_label_show;
       bool input_descriptor_hide_unbound;
       bool input_all_users_control_menu;