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Use GDI Scaling for dpi-unaware system dialogs

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Fall back to system scaling when GDI scaling fails or is unavailable.
This commit is contained in:
Maarten Bent 2020-08-19 21:21:26 +02:00
parent 5192feb38e
commit 6f7f387b1b
1 changed files with 10 additions and 4 deletions
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14
include/wx/msw/private/dpiaware.h
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@ -22,13 +22,14 @@ namespace wxMSWImpl
{
// ----------------------------------------------------------------------------
// Temporarily change the DPI Awareness context to System
// Temporarily change the DPI Awareness context to GDIScaled or System
// ----------------------------------------------------------------------------
class AutoSystemDpiAware
{
#define WXDPI_AWARENESS_CONTEXT_UNAWARE ((WXDPI_AWARENESS_CONTEXT)-1)
#define WXDPI_AWARENESS_CONTEXT_SYSTEM_AWARE ((WXDPI_AWARENESS_CONTEXT)-2)
#define WXDPI_AWARENESS_CONTEXT_UNAWARE ((WXDPI_AWARENESS_CONTEXT)-1)
#define WXDPI_AWARENESS_CONTEXT_SYSTEM_AWARE ((WXDPI_AWARENESS_CONTEXT)-2)
#define WXDPI_AWARENESS_CONTEXT_UNAWARE_GDISCALED ((WXDPI_AWARENESS_CONTEXT)-5)
typedef WXDPI_AWARENESS_CONTEXT
(WINAPI *SetThreadDpiAwarenessContext_t)(WXDPI_AWARENESS_CONTEXT);
@ -46,7 +47,12 @@ public:
if ( m_pfnSetThreadDpiAwarenessContext )
{
m_prevContext = m_pfnSetThreadDpiAwarenessContext(
WXDPI_AWARENESS_CONTEXT_SYSTEM_AWARE);
WXDPI_AWARENESS_CONTEXT_UNAWARE_GDISCALED);
if ( !m_prevContext )
{
m_prevContext = m_pfnSetThreadDpiAwarenessContext(
WXDPI_AWARENESS_CONTEXT_SYSTEM_AWARE);
}
}
}