Add event handling of sdl native window.

1 files changed, 25 insertions, 0 deletions

diff --git a/src/platform/gui/sdl/Input.cpp b/src/platform/gui/sdl/Input.cpp
new file mode 100644
index 00000000..1c7b4475
--- /dev/null
+++ b/src/platform/gui/sdl/Input.cpp
@@ -0,0 +1,25 @@
+#include "cru/platform/gui/sdl/Input.h"
+
+namespace cru::platform::gui::sdl {
+MouseButton ConvertMouseButton(Uint8 button) {
+  switch (button) {
+    case SDL_BUTTON_LEFT:
+      return MouseButtons::Left;
+    case SDL_BUTTON_MIDDLE:
+      return MouseButtons::Middle;
+    case SDL_BUTTON_RIGHT:
+      return MouseButtons::Right;
+  }
+  return MouseButtons::Unknown;
+}
+
+KeyModifier ConvertKeyModifier(SDL_Keymod keymod) {
+  KeyModifier result;
+  if (keymod & SDL_KMOD_SHIFT) result |= KeyModifiers::Shift;
+  if (keymod & SDL_KMOD_CTRL) result |= KeyModifiers::Ctrl;
+  if (keymod & SDL_KMOD_ALT) result |= KeyModifiers::Alt;
+  return result;
+}
+
+KeyModifier GetKeyModifier() { return ConvertKeyModifier(SDL_GetModState()); }
+}  // namespace cru::cru::platform::gui::sdl