Amebis/wxWidgets
1
0
Fork 0
Code Issues Pull Requests Actions Packages Projects Releases Wiki Activity

Update wxStaticBitmap in wxMSW on DPI change

Browse Source 
Use the appropriately sized bitmap when the resolution changes.
This commit is contained in:
Vadim Zeitlin
2021-10-21 19:05:07 +01:00
parent 0a91a2f40b
commit 04828b7225
2 changed files with 13 additions and 0 deletions
Download Patch File Download Diff File Expand all files Collapse all files

2
include/wx/msw/statbmp.h
View File

@@ -112,7 +112,9 @@ private:
// can we leave it to it) // can we leave it to it)
void DoPaintManually(wxPaintEvent& event); void DoPaintManually(wxPaintEvent& event);
// event handlers
void WXHandleSize(wxSizeEvent& event); void WXHandleSize(wxSizeEvent& event);
void WXHandleDPIChanged(wxDPIChangedEvent& event);
// return the size of m_icon or the appropriate size of m_bitmapBundle at // return the size of m_icon or the appropriate size of m_bitmapBundle at
// the current DPI scaling (may still be invalid of both of them are) // the current DPI scaling (may still be invalid of both of them are)

11
src/msw/statbmp.cpp
View File

@@ -45,6 +45,7 @@
wxBEGIN_EVENT_TABLE(wxStaticBitmap, wxStaticBitmapBase) wxBEGIN_EVENT_TABLE(wxStaticBitmap, wxStaticBitmapBase)
EVT_SIZE(wxStaticBitmap::WXHandleSize) EVT_SIZE(wxStaticBitmap::WXHandleSize)
EVT_DPI_CHANGED(wxStaticBitmap::WXHandleDPIChanged)
wxEND_EVENT_TABLE() wxEND_EVENT_TABLE()
// =========================================================================== // ===========================================================================
@@ -190,6 +191,16 @@ void wxStaticBitmap::WXHandleSize(wxSizeEvent& event)
event.Skip(); event.Skip();
} }
void wxStaticBitmap::WXHandleDPIChanged(wxDPIChangedEvent& event)
{
// Icons only exist in a single resolution, so don't bother updating in
// this case.
if ( !m_icon.IsOk() && m_bitmapBundle.IsOk() )
DoUpdateImage(wxSize(), false /* not using an icon */);
event.Skip();
}
void wxStaticBitmap::DoPaintManually(wxPaintEvent& WXUNUSED(event)) void wxStaticBitmap::DoPaintManually(wxPaintEvent& WXUNUSED(event))
{ {
wxPaintDC dc(this); wxPaintDC dc(this);