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Add a BView::LayoutChanged() method, called after layout of this view and children.

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Fixes #7683.
This commit is contained in:
Alex Wilson 2011-11-05 01:03:07 -06:00
parent fceb7ee27e
commit 0c8b758c09
3 changed files with 27 additions and 3 deletions
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3
headers/os/interface/View.h
View File

@ -581,6 +581,8 @@ public:
protected:
virtual bool GetToolTipAt(BPoint point, BToolTip** _tip);
virtual void LayoutChanged();
private:
void _Layout(bool force, BLayoutContext* context);
void _LayoutLeft(BLayout* deleted);
@ -588,7 +590,6 @@ private:
private:
// FBC padding and forbidden methods
virtual void _ReservedView12();
virtual void _ReservedView13();
virtual void _ReservedView14();
virtual void _ReservedView15();

4
headers/private/binary_compatibility/Global.h
View File

@ -25,7 +25,9 @@ enum {
// support kit
PERFORM_CODE_ALL_ARCHIVED = 1010,
PERFORM_CODE_ALL_UNARCHIVED = 1011
PERFORM_CODE_ALL_UNARCHIVED = 1011,
PERFORM_CODE_LAYOUT_CHANGED = 1012
};

23
src/kits/interface/View.cpp
View File

@ -4493,6 +4493,11 @@ BView::Perform(perform_code code, void* _data)
BView::DoLayout();
return B_OK;
}
case PERFORM_CODE_LAYOUT_CHANGED:
{
BView::LayoutChanged();
return B_OK;
}
case PERFORM_CODE_GET_TOOL_TIP_AT:
{
perform_data_get_tool_tip_at* data
@ -4879,6 +4884,13 @@ BView::GetToolTipAt(BPoint point, BToolTip** _tip)
}
void
BView::LayoutChanged()
{
// hook method
}
void
BView::_Layout(bool force, BLayoutContext* context)
{
@ -4909,6 +4921,8 @@ BView::_Layout(bool force, BLayoutContext* context)
child->_Layout(force, context);
}
LayoutChanged();
fLayoutData->fLayoutContext = oldContext;
// invalidate the drawn content, if requested
@ -5811,6 +5825,14 @@ _ReservedView11__5BView(BView* view, BPoint point, BToolTip** _toolTip)
}
extern "C" void
_ReservedView12__5BView(BView* view)
{
// LayoutChanged();
view->Perform(PERFORM_CODE_LAYOUT_CHANGED, NULL);
}
#elif __GNUC__ > 2
@ -5828,7 +5850,6 @@ _ZN5BView15_ReservedView11Ev(BView* view, BPoint point, BToolTip** _toolTip)
#endif // __GNUC__ > 2
void BView::_ReservedView12() {}
void BView::_ReservedView13() {}
void BView::_ReservedView14() {}
void BView::_ReservedView15() {}