1 files changed, 74 insertions, 0 deletions
diff --git a/src/win/gui/Keyboard.cpp b/src/win/gui/Keyboard.cpp
new file mode 100644
index 00000000..b706b240
--- /dev/null
+++ b/src/win/gui/Keyboard.cpp
@@ -0,0 +1,74 @@
+#include "cru/win/gui/Keyboard.hpp"
+
+namespace cru::platform::gui::win {
+KeyCode VirtualKeyToKeyCode(int virtual_key) {
+  if (virtual_key >= 0x30 && virtual_key <= 0x39) {
+    return KeyCode{static_cast<int>(KeyCode::N0) + (virtual_key - 0x30)};
+  } else if (virtual_key >= 0x41 && virtual_key <= 0x5a) {
+    return KeyCode{static_cast<int>(KeyCode::A) + (virtual_key - 0x41)};
+  } else if (virtual_key >= VK_NUMPAD0 && virtual_key <= VK_NUMPAD9) {
+    return KeyCode{static_cast<int>(KeyCode::NumPad0) +
+                   (virtual_key - VK_NUMPAD0)};
+  } else if (virtual_key >= VK_F1 && virtual_key <= VK_F12) {
+    return KeyCode{static_cast<int>(KeyCode::F1) + (virtual_key - VK_F1)};
+  } else {
+    switch (virtual_key) {
+#define CRU_MAP_KEY(virtual_key, keycode) \
+  case virtual_key:                       \
+    return KeyCode::keycode;
+
+      CRU_MAP_KEY(VK_LBUTTON, LeftButton)
+      CRU_MAP_KEY(VK_MBUTTON, MiddleButton)
+      CRU_MAP_KEY(VK_RBUTTON, RightButton)
+      CRU_MAP_KEY(VK_ESCAPE, Escape)
+      CRU_MAP_KEY(VK_OEM_3, GraveAccent)
+      CRU_MAP_KEY(VK_TAB, Tab)
+      CRU_MAP_KEY(VK_CAPITAL, CapsLock)
+      CRU_MAP_KEY(VK_LSHIFT, LeftShift)
+      CRU_MAP_KEY(VK_LCONTROL, LeftCtrl)
+      CRU_MAP_KEY(VK_LWIN, LeftSuper)
+      CRU_MAP_KEY(VK_LMENU, LeftAlt)
+      CRU_MAP_KEY(VK_OEM_MINUS, Minus)
+      CRU_MAP_KEY(VK_OEM_PLUS, Equal)
+      CRU_MAP_KEY(VK_BACK, Backspace)
+      CRU_MAP_KEY(VK_OEM_4, LeftSquareBracket)
+      CRU_MAP_KEY(VK_OEM_6, RightSquareBracket)
+      CRU_MAP_KEY(VK_OEM_5, BackSlash)
+      CRU_MAP_KEY(VK_OEM_1, Semicolon)
+      CRU_MAP_KEY(VK_OEM_7, Quote)
+      CRU_MAP_KEY(VK_OEM_COMMA, Comma)
+      CRU_MAP_KEY(VK_OEM_PERIOD, Period)
+      CRU_MAP_KEY(VK_OEM_2, Slash)
+      CRU_MAP_KEY(VK_RSHIFT, RightShift)
+      CRU_MAP_KEY(VK_RCONTROL, RightCtrl)
+      CRU_MAP_KEY(VK_RWIN, RightSuper)
+      CRU_MAP_KEY(VK_RMENU, RightAlt)
+      CRU_MAP_KEY(VK_INSERT, Insert)
+      CRU_MAP_KEY(VK_DELETE, Delete)
+      CRU_MAP_KEY(VK_HOME, Home)
+      CRU_MAP_KEY(VK_END, End)
+      CRU_MAP_KEY(VK_PRIOR, PageUp)
+      CRU_MAP_KEY(VK_NEXT, PageDown)
+      CRU_MAP_KEY(VK_UP, Up)
+      CRU_MAP_KEY(VK_LEFT, Left)
+      CRU_MAP_KEY(VK_DOWN, Down)
+      CRU_MAP_KEY(VK_RIGHT, Right)
+      CRU_MAP_KEY(VK_SNAPSHOT, PrintScreen)
+      CRU_MAP_KEY(VK_PAUSE, Pause)
+
+#undef CRU_MAP_KEY
+
+      default:
+        return KeyCode::Unknown;
+    }
+  }
+}
+
+KeyModifier RetrieveKeyMofifier() {
+  KeyModifier result{0};
+  if (::GetKeyState(VK_SHIFT) < 0) result |= KeyModifiers::shift;
+  if (::GetKeyState(VK_CONTROL) < 0) result |= KeyModifiers::ctrl;
+  if (::GetKeyState(VK_MENU) < 0) result |= KeyModifiers::alt;
+  return result;
+}
+}  // namespace cru::platform::gui::win