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To allow testing the ViewHWInterface (used in the test environment) with

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both double buffering and single buffering, Invalidate() needs to be
virtual and ViewHWInterface needs to decide where to invalidate it's host
window.


git-svn-id: file:///srv/svn/repos/haiku/haiku/trunk@28480 a95241bf-73f2-0310-859d-f6bbb57e9c96
This commit is contained in:
Stephan Aßmus 2008-11-03 19:31:26 +00:00
parent 3cbd4a09f7
commit 6198dc0e17
3 changed files with 13 additions and 1 deletions
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2
src/servers/app/drawing/HWInterface.h
View File

@ -143,7 +143,7 @@ class HWInterface : protected MultiLocker {
virtual bool IsDoubleBuffered() const;
// Invalidate is used for scheduling an area for updating
status_t Invalidate(const BRect& frame);
virtual status_t Invalidate(const BRect& frame);
// while as CopyBackToFront() actually performs the operation
// either directly or asynchronously by the UpdateQueue thread
virtual status_t CopyBackToFront(const BRect& frame);

11
src/servers/app/drawing/ViewHWInterface.cpp
View File

@ -758,6 +758,17 @@ ViewHWInterface::IsDoubleBuffered() const
return HWInterface::IsDoubleBuffered();
}
// Invalidate
status_t
ViewHWInterface::Invalidate(const BRect& frame)
{
status_t ret = HWInterface::Invalidate(frame);
if (ret >= B_OK && fWindow && !IsDoubleBuffered())
fWindow->Invalidate(frame);
return ret;
}
// CopyBackToFront
status_t
ViewHWInterface::CopyBackToFront(const BRect& frame)

1
src/servers/app/drawing/ViewHWInterface.h
View File

@ -53,6 +53,7 @@ class ViewHWInterface : public HWInterface {
virtual RenderingBuffer* BackBuffer() const;
virtual bool IsDoubleBuffered() const;
virtual status_t Invalidate(const BRect& frame);
virtual status_t CopyBackToFront(const BRect& frame);
private: