slidecopy: outsourced the TaskPane/ToolPanel's drawer (TitleBar, type TBT_CONTROL_TITLE) from sd to svtools, to be used with generic tool panel decks, not only within sd

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diff --git a/svtools/source/toolpanel/drawerlayouter.cxx b/svtools/source/toolpanel/drawerlayouter.cxx
new file mode 100644
index 000000000000..d9aa80369827
--- /dev/null
+++ b/svtools/source/toolpanel/drawerlayouter.cxx
@@ -0,0 +1,286 @@
+/*************************************************************************
+ * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
+ *
+ * Copyright 2000, 2010 Oracle and/or its affiliates.
+ *
+ * OpenOffice.org - a multi-platform office productivity suite
+ *
+ * This file is part of OpenOffice.org.
+ *
+ * OpenOffice.org is free software: you can redistribute it and/or modify
+ * it under the terms of the GNU Lesser General Public License version 3
+ * only, as published by the Free Software Foundation.
+ *
+ * OpenOffice.org is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+ * GNU Lesser General Public License version 3 for more details
+ * (a copy is included in the LICENSE file that accompanied this code).
+ *
+ * You should have received a copy of the GNU Lesser General Public License
+ * version 3 along with OpenOffice.org.  If not, see
+ * <http://www.openoffice.org/license.html>
+ * for a copy of the LGPLv3 License.
+ *
+************************************************************************/
+
+#include "precompiled_svtools.hxx"
+
+#include "svtools/toolpanel/drawerlayouter.hxx"
+#include "toolpaneldrawer.hxx"
+
+#include <com/sun/star/accessibility/XAccessible.hpp>
+
+#include <comphelper/accimplaccess.hxx>
+#include <tools/diagnose_ex.h>
+
+//......................................................................................................................
+namespace svt
+{
+//......................................................................................................................
+
+    /** === begin UNO using === **/
+    using ::com::sun::star::uno::Reference;
+    using ::com::sun::star::accessibility::XAccessible;
+    /** === end UNO using === **/
+
+    //==================================================================================================================
+    //= DrawerDeckLayouter
+    //==================================================================================================================
+    //------------------------------------------------------------------------------------------------------------------
+    DrawerDeckLayouter::DrawerDeckLayouter( ::Window& i_rParentWindow, IToolPanelDeck& i_rPanels )
+        :m_rParentWindow( i_rParentWindow )
+        ,m_rPanelDeck( i_rPanels )
+        ,m_aDrawers()
+        ,m_aLastKnownActivePanel()
+    {
+        m_rPanelDeck.AddListener( *this );
+
+        // simulate PanelInserted events for the panels which are already there
+        for ( size_t i=0; i<m_rPanelDeck.GetPanelCount(); ++i )
+            PanelInserted( m_rPanelDeck.GetPanel( i ), i );
+    }
+
+    //------------------------------------------------------------------------------------------------------------------
+    DrawerDeckLayouter::~DrawerDeckLayouter()
+    {
+    }
+
+    //------------------------------------------------------------------------------------------------------------------
+    IMPLEMENT_IREFERENCE( DrawerDeckLayouter )
+
+    //------------------------------------------------------------------------------------------------------------------
+    Rectangle DrawerDeckLayouter::Layout( const Rectangle& i_rDeckPlayground )
+    {
+        const size_t nPanelCount( m_rPanelDeck.GetPanelCount() );
+        if ( nPanelCount == 0 )
+            return i_rDeckPlayground;
+
+        const int nWidth( i_rDeckPlayground.GetWidth() );
+        ::boost::optional< size_t > aActivePanel( m_rPanelDeck.GetActivePanel() );
+        if ( !aActivePanel )
+            aActivePanel = m_aLastKnownActivePanel;
+
+        // arrange the title bars which are *above* the active panel (or *all* if there is no active panel), plus
+        // the title bar of the active panel itself
+        Point aUpperDrawerPos( i_rDeckPlayground.TopLeft() );
+        const size_t nUpperBound = !!aActivePanel ? *aActivePanel : nPanelCount - 1;
+        for ( size_t i=0; i<=nUpperBound; ++i )
+        {
+            sal_uInt32 nDrawerHeight = m_aDrawers[i]->GetPreferredHeightPixel();
+            m_aDrawers[i]->SetPosSizePixel(
+                aUpperDrawerPos, Size( nWidth, nDrawerHeight ) );
+            aUpperDrawerPos.Move( 0, nDrawerHeight );
+        }
+
+        // arrange title bars which are below the active panel (or *none* if there is no active panel)
+        Point aLowerDrawerPos( i_rDeckPlayground.BottomLeft() );
+        for ( size_t j = nPanelCount - 1; j > nUpperBound; --j )
+        {
+            sal_uInt32 nDrawerHeight = m_aDrawers[j]->GetPreferredHeightPixel();
+            m_aDrawers[j]->SetPosSizePixel(
+                Point( aLowerDrawerPos.X(), aLowerDrawerPos.Y() - nDrawerHeight + 1 ),
+                Size( nWidth, nDrawerHeight )
+            );
+            aLowerDrawerPos.Move( 0, -nDrawerHeight );
+        }
+
+        // fincally calculate the rectangle for the active panel
+        return Rectangle(
+            aUpperDrawerPos,
+            Size( nWidth, aLowerDrawerPos.Y() - aUpperDrawerPos.Y() + 1 )
+        );
+    }
+
+    //------------------------------------------------------------------------------------------------------------------
+    void DrawerDeckLayouter::Destroy()
+    {
+        while ( !m_aDrawers.empty() )
+            impl_removeDrawer( 0 );
+        m_rPanelDeck.RemoveListener( *this );
+    }
+
+    //------------------------------------------------------------------------------------------------------------------
+    void DrawerDeckLayouter::SetFocusToPanelSelector()
+    {
+        const size_t nPanelCount( m_rPanelDeck.GetPanelCount() );
+        if ( !nPanelCount )
+            // nothing to focus
+            return;
+        ::boost::optional< size_t > aActivePanel( m_rPanelDeck.GetActivePanel() );
+        if ( !aActivePanel )
+            aActivePanel = 0;
+        ENSURE_OR_RETURN_VOID( *aActivePanel < m_aDrawers.size(), "DrawerDeckLayouter::SetFocusToPanelSelector: invalid active panel, or inconsistent drawers!" );
+        m_aDrawers[ *aActivePanel ]->GrabFocus();
+    }
+
+    //------------------------------------------------------------------------------------------------------------------
+    size_t DrawerDeckLayouter::GetAccessibleChildCount() const
+    {
+        return m_aDrawers.size();
+    }
+
+    //------------------------------------------------------------------------------------------------------------------
+    Reference< XAccessible > DrawerDeckLayouter::GetAccessibleChild( const size_t i_nChildIndex, const Reference< XAccessible >& i_rParentAccessible )
+    {
+        ENSURE_OR_RETURN( i_nChildIndex < m_aDrawers.size(), "illegal index", NULL );
+
+        const PToolPanelDrawer pDrawer( m_aDrawers[ i_nChildIndex ] );
+
+        Reference< XAccessible > xItemAccessible = pDrawer->GetAccessible( FALSE );
+        if ( !xItemAccessible.is() )
+        {
+            xItemAccessible = pDrawer->GetAccessible( TRUE );
+            ENSURE_OR_RETURN( xItemAccessible.is(), "illegal accessible provided by the drawer implementation!", NULL );
+            OSL_VERIFY( ::comphelper::OAccessibleImplementationAccess::setAccessibleParent( xItemAccessible->getAccessibleContext(),
+                i_rParentAccessible ) );
+        }
+
+        return xItemAccessible;
+    }
+
+    //------------------------------------------------------------------------------------------------------------------
+    void DrawerDeckLayouter::PanelInserted( const PToolPanel& i_pPanel, const size_t i_nPosition )
+    {
+        OSL_PRECOND( i_nPosition <= m_aDrawers.size(), "DrawerDeckLayouter::PanelInserted: inconsistency!" );
+
+        PToolPanelDrawer pDrawer( new ToolPanelDrawer( m_rParentWindow ) );
+        pDrawer->SetText( i_pPanel->GetDisplayName() );
+        pDrawer->Show();
+        pDrawer->AddEventListener( LINK( this, DrawerDeckLayouter, OnWindowEvent ) );
+        m_aDrawers.insert( m_aDrawers.begin() + i_nPosition, pDrawer );
+        impl_triggerRearrange();
+    }
+
+    //------------------------------------------------------------------------------------------------------------------
+    void DrawerDeckLayouter::PanelRemoved( const size_t i_nPosition )
+    {
+        impl_removeDrawer( i_nPosition );
+        impl_triggerRearrange();
+    }
+
+    //------------------------------------------------------------------------------------------------------------------
+    void DrawerDeckLayouter::impl_triggerRearrange() const
+    {
+        // this is somewhat hacky, it assumes that the parent of our panels is a tool panel deck, which, in its
+        // Resize implementation, rearrances all elements.
+        m_rParentWindow.Resize();
+    }
+
+    //------------------------------------------------------------------------------------------------------------------
+    void DrawerDeckLayouter::ActivePanelChanged( const ::boost::optional< size_t >& i_rOldActive, const ::boost::optional< size_t >& i_rNewActive )
+    {
+        if ( !!i_rOldActive )
+        {
+            OSL_ENSURE( *i_rOldActive < m_aDrawers.size(), "DrawerDeckLayouter::ActivePanelChanged: illegal old index!" );
+            m_aDrawers[ *i_rOldActive ]->SetExpanded( false );
+        }
+
+        if ( !!i_rNewActive )
+        {
+            OSL_ENSURE( *i_rNewActive < m_aDrawers.size(), "DrawerDeckLayouter::ActivePanelChanged: illegal new index!" );
+            m_aDrawers[ *i_rNewActive ]->SetExpanded( true );
+        }
+
+        impl_triggerRearrange();
+    }
+
+    //------------------------------------------------------------------------------------------------------------------
+    void DrawerDeckLayouter::LayouterChanged( const PDeckLayouter& i_rNewLayouter )
+    {
+        // not interested in
+        (void)i_rNewLayouter;
+    }
+
+    //------------------------------------------------------------------------------------------------------------------
+    size_t DrawerDeckLayouter::impl_getPanelPositionFromWindow( const Window* i_pDrawerWindow ) const
+    {
+        for (   ::std::vector< PToolPanelDrawer >::const_iterator drawerPos = m_aDrawers.begin();
+                drawerPos != m_aDrawers.end();
+                ++drawerPos
+            )
+        {
+            if ( drawerPos->get() == i_pDrawerWindow )
+                return drawerPos - m_aDrawers.begin();
+        }
+        return m_aDrawers.size();
+    }
+
+    //------------------------------------------------------------------------------------------------------------------
+    void DrawerDeckLayouter::impl_removeDrawer( const size_t i_nPosition )
+    {
+        OSL_PRECOND( i_nPosition < m_aDrawers.size(), "DrawerDeckLayouter::impl_removeDrawer: invalid panel position!" );
+        m_aDrawers[ i_nPosition ]->RemoveEventListener( LINK( this, DrawerDeckLayouter, OnWindowEvent ) );
+        OSL_ENSURE( m_aDrawers[ i_nPosition ].unique(), "DrawerDeckLayouter::impl_removeDrawer: somebody else is still holding a reference!" );
+        m_aDrawers.erase( m_aDrawers.begin() + i_nPosition );
+    }
+
+    //------------------------------------------------------------------------------------------------------------------
+    IMPL_LINK( DrawerDeckLayouter, OnWindowEvent, VclSimpleEvent*, i_pEvent )
+    {
+        const VclWindowEvent* pWindowEvent = PTR_CAST( VclWindowEvent, i_pEvent );
+        ENSURE_OR_RETURN( pWindowEvent, "no WindowEvent", 0L );
+
+        bool bActivatePanel = false;
+        switch ( pWindowEvent->GetId() )
+        {
+            case VCLEVENT_WINDOW_MOUSEBUTTONUP:
+            {
+                const MouseEvent* pMouseEvent = static_cast< const MouseEvent* >( pWindowEvent->GetData() );
+                ENSURE_OR_RETURN( pMouseEvent, "no mouse event with MouseButtonUp", 0L );
+                if ( pMouseEvent->GetButtons() == MOUSE_LEFT )
+                {
+                    bActivatePanel = true;
+                }
+            }
+            break;
+            case VCLEVENT_WINDOW_KEYINPUT:
+            {
+                const KeyEvent* pKeyEvent = static_cast< const KeyEvent* >( pWindowEvent->GetData() );
+                ENSURE_OR_RETURN( pKeyEvent, "no key event with KeyInput", 0L );
+                const KeyCode& rKeyCode( pKeyEvent->GetKeyCode() );
+                if ( ( rKeyCode.GetModifier() == 0 ) && ( rKeyCode.GetCode() == KEY_RETURN ) )
+                {
+                    bActivatePanel = true;
+                }
+            }
+            break;
+        }
+        if ( bActivatePanel )
+        {
+            const size_t nPanelPos = impl_getPanelPositionFromWindow( pWindowEvent->GetWindow() );
+            m_rPanelDeck.ActivatePanel( nPanelPos );
+            return 1L;
+        }
+        return 0L;
+    }
+
+    //------------------------------------------------------------------------------------------------------------------
+    void DrawerDeckLayouter::Dying()
+    {
+        Destroy();
+    }
+
+//......................................................................................................................
+} // namespace svt
+//......................................................................................................................