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#include "cru/win/native/cursor.hpp"
#include "cru/common/format.hpp"
#include "cru/platform/debug.hpp"
#include "cru/win/native/exception.hpp"
#include <stdexcept>
namespace cru::platform::native::win {
WinCursor::WinCursor(HCURSOR handle, bool auto_delete) {
handle_ = handle;
auto_delete_ = auto_delete;
}
WinCursor::~WinCursor() {
if (auto_delete_) {
if (!::DestroyCursor(handle_)) {
DebugMessage(
util::Format(L"Failed to destroy a cursor. Last error code: {}",
::GetLastError())); // This is not a fetal error but
// might still need notice.
}
}
}
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 get 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(
SystemCursor type) {
switch (type) {
case SystemCursor::Arrow:
return sys_arrow_;
case SystemCursor::Hand:
return sys_hand_;
default:
throw std::runtime_error("Unknown system cursor value.");
}
}
} // namespace cru::platform::native::win
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