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Fixed parts of toolbar background not being drawn with older comctl32.dll.

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When using comctl32.dll versions older than 6.0 toolbar icons would not have their background drawn. Fix this in a rough way by always completely erasing the background like was done before. Regression since r62971.

Closes #13512.

git-svn-id: https://svn.wxwidgets.org/svn/wx/wxWidgets/trunk@71341 c3d73ce0-8a6f-49c7-b76d-6d57e0e08775
This commit is contained in:
Dimitri Schoolwerth 2012-05-02 14:44:45 +00:00
parent c06efacb1c
commit ae580de376
2 changed files with 13 additions and 1 deletions
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1
include/wx/msw/toolbar.h
View File

@ -67,6 +67,7 @@ public:
void OnMouseEvent(wxMouseEvent& event);
void OnSysColourChanged(wxSysColourChangedEvent& event);
void OnEraseBackground(wxEraseEvent& event);
void SetFocus() {}

13
src/msw/toolbar.cpp
View File

@ -127,6 +127,7 @@ IMPLEMENT_DYNAMIC_CLASS(wxToolBar, wxControl)
BEGIN_EVENT_TABLE(wxToolBar, wxToolBarBase)
EVT_MOUSE_EVENTS(wxToolBar::OnMouseEvent)
EVT_SYS_COLOUR_CHANGED(wxToolBar::OnSysColourChanged)
EVT_ERASE_BACKGROUND(wxToolBar::OnEraseBackground)
END_EVENT_TABLE()
// ----------------------------------------------------------------------------
@ -340,7 +341,10 @@ bool wxToolBar::Create(wxWindow *parent,
// in WM_ERASEBKGND too (by default this won't be done but if the toolbar
// has a non default background colour, then it would be used in both
// places resulting in flicker)
SetBackgroundStyle(wxBG_STYLE_PAINT);
if (wxApp::GetComCtl32Version() >= 600)
{
SetBackgroundStyle(wxBG_STYLE_PAINT);
}
return true;
}
@ -1679,6 +1683,13 @@ void wxToolBar::OnMouseEvent(wxMouseEvent& event)
}
}
// This handler is needed to fix problems with painting the background of
// toolbar icons with comctl32.dll < 6.0.
void wxToolBar::OnEraseBackground(wxEraseEvent& event)
{
MSWDoEraseBackground(event.GetDC()->GetHDC());
}
bool wxToolBar::HandleSize(WXWPARAM WXUNUSED(wParam), WXLPARAM lParam)
{
// wait until we have some tools