reorganized directory

sdl3_pen.c3i

@@ -0,0 +1,27 @@
+module sdl3::sdl;
+
+typedef PenID = uint;
+
+const MouseID PEN_MOUSEID @builtin = ((MouseID)-2);
+const TouchID PEN_TOUCHID @builtin = ((TouchID)-2);
+
+typedef PenInputFlags = uint;
+
+const PenInputFlags PEN_INPUT_DOWN @builtin       = (1 << 0);
+const PenInputFlags PEN_INPUT_BUTTON_1 @builtin   = (1 << 1);
+const PenInputFlags PEN_INPUT_BUTTON_2 @builtin   = (1 << 2);
+const PenInputFlags PEN_INPUT_BUTTON_3 @builtin   = (1 << 3);
+const PenInputFlags PEN_INPUT_BUTTON_4 @builtin   = (1 << 4);
+const PenInputFlags PEN_INPUT_BUTTON_5 @builtin   = (1 << 5);
+const PenInputFlags PEN_INPUT_ERASER_TIP @builtin = (1 << 30);
+
+enum PenAxis : inline CInt {
+    SDL_PEN_AXIS_PRESSURE,
+    SDL_PEN_AXIS_XTILT,
+    SDL_PEN_AXIS_YTILT,
+    SDL_PEN_AXIS_DISTANCE,
+    SDL_PEN_AXIS_ROTATION,
+    SDL_PEN_AXIS_SLIDER,
+    SDL_PEN_AXIS_TANGENTIAL_PRESSURE,
+    SDL_PEN_AXIS_COUNT
+}