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Use wxOverlay to show docking hint instead of transparent wxFrame

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The main advantage of using wxOverlay over wxFrame, besides reduced
code complexity, is that the docking hint now works correctly under
Wayland which it didn't work before.

wxAUI_MGR_RECTANGLE_HINT now works everywhere (including wxGTK and wxOSX)

We simply use a bitmap to draw the venetian blinds hint instead of the
exotic and esoteric code using wxRegion.

wxGTK2 now uses graphics context for transparency. If not available, the hint
will be drawn using wxINVERT raster operation mode.
This commit is contained in:
AliKet 2024-01-31 18:39:45 +01:00
parent 7491ac5b7a
commit 29c8bfc249
2 changed files with 135 additions and 419 deletions
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3
include/wx/aui/framemanager.h
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@ -497,8 +497,6 @@ public:
protected:
void UpdateHintWindowConfig();
void DoFrameLayout();
void LayoutAddPane(wxSizer* container,
@ -611,7 +609,6 @@ protected:
double m_dockConstraintX; // 0.0 .. 1.0; max pct of window width a dock can consume
double m_dockConstraintY; // 0.0 .. 1.0; max pct of window height a dock can consume
wxFrame* m_hintWnd; // transparent hint window, if supported by platform
wxTimer m_hintFadeTimer; // transparent fade timer
wxByte m_hintFadeAmt; // transparent fade amount
wxByte m_hintFadeMax; // maximum value of hint fade