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| author | crupest <crupest@outlook.com> | 2020-06-28 00:03:11 +0800 |
|---|---|---|
| committer | crupest <crupest@outlook.com> | 2020-06-28 00:03:11 +0800 |
| commit | 06d1d0442276a05b6caad6e3468f4afb1e8ee5df (patch) | |
| tree | ebd46f0fb7343dc57bf947b7b5fffc139c3ddeac /src/win/native/Cursor.cpp | |
| parent | e11be6caa9ef9b2b198ca61846e32f469627556e (diff) | |
| download | cru-06d1d0442276a05b6caad6e3468f4afb1e8ee5df.tar.gz cru-06d1d0442276a05b6caad6e3468f4afb1e8ee5df.tar.bz2 cru-06d1d0442276a05b6caad6e3468f4afb1e8ee5df.zip | |
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Diffstat (limited to 'src/win/native/Cursor.cpp')
| -rw-r--r-- | src/win/native/Cursor.cpp | 51 |
1 files changed, 51 insertions, 0 deletions
diff --git a/src/win/native/Cursor.cpp b/src/win/native/Cursor.cpp new file mode 100644 index 00000000..ca8bb1cd --- /dev/null +++ b/src/win/native/Cursor.cpp @@ -0,0 +1,51 @@ +#include "cru/win/native/Cursor.hpp" + +#include "cru/common/Logger.hpp" +#include "cru/win/native/Exception.hpp" + +#include <stdexcept> + +namespace cru::platform::native::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::Warn("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)) {} + +std::shared_ptr<WinCursor> WinCursorManager::GetSystemWinCursor( + SystemCursorType type) { + switch (type) { + case SystemCursorType::Arrow: + return sys_arrow_; + case SystemCursorType::Hand: + return sys_hand_; + default: + throw std::runtime_error("Unknown system cursor value."); + } +} +} // namespace cru::platform::native::win |
