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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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8
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 class AutoSystemDpiAware
{ {
#define WXDPI_AWARENESS_CONTEXT_UNAWARE ((WXDPI_AWARENESS_CONTEXT)-1) #define WXDPI_AWARENESS_CONTEXT_UNAWARE ((WXDPI_AWARENESS_CONTEXT)-1)
#define WXDPI_AWARENESS_CONTEXT_SYSTEM_AWARE ((WXDPI_AWARENESS_CONTEXT)-2) #define WXDPI_AWARENESS_CONTEXT_SYSTEM_AWARE ((WXDPI_AWARENESS_CONTEXT)-2)
#define WXDPI_AWARENESS_CONTEXT_UNAWARE_GDISCALED ((WXDPI_AWARENESS_CONTEXT)-5)
typedef WXDPI_AWARENESS_CONTEXT typedef WXDPI_AWARENESS_CONTEXT
(WINAPI *SetThreadDpiAwarenessContext_t)(WXDPI_AWARENESS_CONTEXT); (WINAPI *SetThreadDpiAwarenessContext_t)(WXDPI_AWARENESS_CONTEXT);
@@ -44,10 +45,15 @@ public:
} }
if ( m_pfnSetThreadDpiAwarenessContext ) if ( m_pfnSetThreadDpiAwarenessContext )
{
m_prevContext = m_pfnSetThreadDpiAwarenessContext(
WXDPI_AWARENESS_CONTEXT_UNAWARE_GDISCALED);
if ( !m_prevContext )
{ {
m_prevContext = m_pfnSetThreadDpiAwarenessContext( m_prevContext = m_pfnSetThreadDpiAwarenessContext(
WXDPI_AWARENESS_CONTEXT_SYSTEM_AWARE); WXDPI_AWARENESS_CONTEXT_SYSTEM_AWARE);
} }
}
} }