screenshots: extend default paths where stuff gets written

Change-Id: I1886d832bb9474371ea27d4d36f0446b221246d0

3 files changed, 72 insertions, 0 deletions

diff --git a/vcl/source/window/abstdlg.cxx b/vcl/source/window/abstdlg.cxx
index d12d4d47d451..ebed762f3542 100644
--- a/vcl/source/window/abstdlg.cxx
+++ b/vcl/source/window/abstdlg.cxx
@@ -57,6 +57,23 @@ VclAbstractDialog::~VclAbstractDialog()
 {
 }
 
+std::vector<OUString> VclAbstractDialog::getAllPageUIXMLDescriptions() const
+{
+    // default has no pages
+    return std::vector<OUString>();
+}
+
+void VclAbstractDialog::selectPageByUIXMLDescription(const OUString& /*rUIXMLDescription*/)
+{
+    // default cannot select a page
+}
+
+Bitmap VclAbstractDialog::createScreenshot() const
+{
+    // default returns empty bitmap
+    return Bitmap();
+}
+
 // virtual
 VclAbstractDialog2::~VclAbstractDialog2()
 {
diff --git a/vcl/source/window/dialog.cxx b/vcl/source/window/dialog.cxx
index ec4a3be527ef..837791ef012e 100644
--- a/vcl/source/window/dialog.cxx
+++ b/vcl/source/window/dialog.cxx
@@ -351,6 +351,7 @@ void Dialog::ImplInitDialogData()
     mbInExecute             = false;
     mbInClose               = false;
     mbModalMode             = false;
+    mbPaintComplete         = false;
     mpContentArea.clear();
     mpActionArea.clear();
     mnMousePositioned       = 0;
@@ -830,6 +831,49 @@ void Dialog::ImplEndExecuteModal()
     pSVData->maAppData.mnModalMode--;
 }
 
+void Dialog::PrePaint(vcl::RenderContext& rRenderContext)
+{
+    SystemWindow::PrePaint(rRenderContext);
+    mbPaintComplete = false;
+}
+
+void Dialog::PostPaint(vcl::RenderContext& rRenderContext)
+{
+    SystemWindow::PostPaint(rRenderContext);
+    mbPaintComplete = true;
+}
+
+std::vector<OUString> Dialog::getAllPageUIXMLDescriptions() const
+{
+    // default has no pages
+    return std::vector<OUString>();
+}
+
+void Dialog::selectPageByUIXMLDescription(const OUString& /*rUIXMLDescription*/)
+{
+    // default cannot select anything
+}
+
+Bitmap Dialog::createScreenshot()
+{
+    // same prerequisites as in Execute()
+    setDeferredProperties();
+    ImplAdjustNWFSizes();
+    Show();
+    ToTop();
+
+    // ensure repaint
+    Invalidate();
+    mbPaintComplete = false;
+
+    while (!mbPaintComplete)
+    {
+        Application::Yield();
+    }
+
+    return GetBitmap(Point(), GetOutputSizePixel());
+}
+
 short Dialog::Execute()
 {
 #if HAVE_FEATURE_DESKTOP
diff --git a/vcl/source/window/paint.cxx b/vcl/source/window/paint.cxx
index e927e6a86485..f85582acd7b2 100644
--- a/vcl/source/window/paint.cxx
+++ b/vcl/source/window/paint.cxx
@@ -600,6 +600,10 @@ void Window::ImplCallPaint(const vcl::Region* pRegion, sal_uInt16 nPaintFlags)
             Invalidate(InvalidateFlags::NoChildren | InvalidateFlags::NoErase | InvalidateFlags::NoTransparent | InvalidateFlags::NoClipChildren);
         else if ( pRegion )
             Invalidate(*pRegion, InvalidateFlags::NoChildren | InvalidateFlags::NoErase | InvalidateFlags::NoTransparent | InvalidateFlags::NoClipChildren);
+
+        // call PostPaint before returning
+        PostPaint(*this);
+
         return;
     }
 
@@ -611,6 +615,9 @@ void Window::ImplCallPaint(const vcl::Region* pRegion, sal_uInt16 nPaintFlags)
         aHelper.DoPaint(pRegion);
     else
         mpWindowImpl->mnPaintFlags = 0;
+
+    // call PostPaint
+    PostPaint(*this);
 }
 
 void Window::ImplCallOverlapPaint()
@@ -1011,6 +1018,10 @@ void Window::PrePaint(vcl::RenderContext& /*rRenderContext*/)
 {
 }
 
+void Window::PostPaint(vcl::RenderContext& /*rRenderContext*/)
+{
+}
+
 void Window::Paint(vcl::RenderContext& /*rRenderContext*/, const Rectangle& rRect)
 {
     CallEventListeners(VCLEVENT_WINDOW_PAINT, const_cast<Rectangle *>(&rRect));