electron/brightray/browser/win/win32_desktop_notifications/common.h

59 lines
1.4 KiB
C++

#pragma once
#include <Windows.h>
namespace brightray {
struct NotificationData
{
DesktopNotificationController* controller = nullptr;
std::wstring caption;
std::wstring body_text;
HBITMAP image = NULL;
NotificationData() = default;
~NotificationData()
{
if(image) DeleteObject(image);
}
NotificationData(const NotificationData& other) = delete;
NotificationData& operator=(const NotificationData& other) = delete;
};
template<typename T>
inline T ScaleForDpi(T value, unsigned dpi)
{
return value * dpi / 96;
}
struct ScreenMetrics
{
UINT dpi_x, dpi_y;
ScreenMetrics()
{
typedef HRESULT WINAPI GetDpiForMonitor_t(HMONITOR, int, UINT*, UINT*);
auto GetDpiForMonitor =
(GetDpiForMonitor_t*)GetProcAddress(GetModuleHandle(TEXT("shcore")),
"GetDpiForMonitor");
if(GetDpiForMonitor)
{
auto monitor = MonitorFromPoint({}, MONITOR_DEFAULTTOPRIMARY);
if(GetDpiForMonitor(monitor, 0, &dpi_x, &dpi_y) == S_OK)
return;
}
HDC hdc = GetDC(NULL);
dpi_x = GetDeviceCaps(hdc, LOGPIXELSX);
dpi_y = GetDeviceCaps(hdc, LOGPIXELSY);
ReleaseDC(NULL, hdc);
}
template<class T> T X(T value) const { return ScaleForDpi(value, dpi_x); }
template<class T> T Y(T value) const { return ScaleForDpi(value, dpi_y); }
};
}