Merge branch 'master' of https://github.com/crupest/CruUI

1 files changed, 54 insertions, 0 deletions

diff --git a/src/win/gui/Cursor.cpp b/src/win/gui/Cursor.cpp
new file mode 100644
index 00000000..80e8a749
--- /dev/null
+++ b/src/win/gui/Cursor.cpp
@@ -0,0 +1,54 @@
+#include "cru/win/gui/Cursor.hpp"
+
+#include "cru/common/Logger.hpp"
+#include "cru/win/gui/Exception.hpp"
+
+#include <stdexcept>
+
+namespace cru::platform::gui::win {
+WinCursor::WinCursor(HCURSOR handle, bool auto_destroy) {
+  handle_ = handle;
+  auto_destroy_ = auto_destroy;
+}
+
+WinCursor::~WinCursor() {
+  if (auto_destroy_) {
+    if (!::DestroyCursor(handle_)) {
+      // This is not a fetal error but might still need notice because it may
+      // cause leak.
+      log::TagWarn(log_tag, u"Failed to destroy a cursor. Last error code: {}",
+                   ::GetLastError());
+    }
+  }
+}
+
+namespace {
+WinCursor* LoadWinCursor(const wchar_t* name) {
+  const auto handle = static_cast<HCURSOR>(::LoadImageW(
+      NULL, name, IMAGE_CURSOR, SM_CYCURSOR, SM_CYCURSOR, LR_SHARED));
+  if (handle == NULL) {
+    throw Win32Error(::GetLastError(), "Failed to load system cursor.");
+  }
+  return new WinCursor(handle, false);
+}
+}  // namespace
+
+WinCursorManager::WinCursorManager()
+    : sys_arrow_(LoadWinCursor(IDC_ARROW)),
+      sys_hand_(LoadWinCursor(IDC_HAND)),
+      sys_ibeam_(LoadWinCursor(IDC_IBEAM)) {}
+
+std::shared_ptr<WinCursor> WinCursorManager::GetSystemWinCursor(
+    SystemCursorType type) {
+  switch (type) {
+    case SystemCursorType::Arrow:
+      return sys_arrow_;
+    case SystemCursorType::Hand:
+      return sys_hand_;
+    case SystemCursorType::IBeam:
+      return sys_ibeam_;
+    default:
+      throw std::runtime_error("Unknown system cursor value.");
+  }
+}
+}  // namespace cru::platform::gui::win