source/sidebar/Deck.cxx

/**************************************************************
 *
 * Licensed to the Apache Software Foundation (ASF) under one
 * or more contributor license agreements.  See the NOTICE file
 * distributed with this work for additional information
 * regarding copyright ownership.  The ASF licenses this file
 * to you under the Apache License, Version 2.0 (the
 * "License"); you may not use this file except in compliance
 * with the License.  You may obtain a copy of the License at
 *
 *   http://www.apache.org/licenses/LICENSE-2.0
 *
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 * software distributed under the License is distributed on an
 * "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
 * KIND, either express or implied.  See the License for the
 * specific language governing permissions and limitations
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#include "precompiled_sfx2.hxx"

#include "Deck.hxx"
#include "DeckDescriptor.hxx"
#include "DeckLayouter.hxx"
#include "DrawHelper.hxx"
#include "DeckTitleBar.hxx"
#include "PanelTitleBar.hxx"
#include "Paint.hxx"
#include "Panel.hxx"
#include "ToolBoxBackground.hxx"
#include "sfx2/sidebar/Tools.hxx"
#include "sfx2/sidebar/Theme.hxx"

#include <vcl/dockwin.hxx>
#include <vcl/scrbar.hxx>
#include <tools/svborder.hxx>

#include <boost/bind.hpp>

using namespace ::com::sun::star;
using namespace ::com::sun::star::uno;


namespace sfx2 { namespace sidebar {


namespace {
    static const sal_Int32 MinimalPanelHeight (25);
}


Deck::Deck (
    const DeckDescriptor& rDeckDescriptor,
    Window* pParentWindow,
    const ::boost::function<void(void)>& rCloserAction)
    : Window(pParentWindow, 0),
      msId(rDeckDescriptor.msId),
      maIcon(),
      msIconURL(rDeckDescriptor.msIconURL),
      msHighContrastIconURL(rDeckDescriptor.msHighContrastIconURL),
      maPanels(),
      mpTitleBar(new DeckTitleBar(rDeckDescriptor.msTitle, this, rCloserAction)),
      mpScrollClipWindow(new Window(this)),
      mpScrollContainer(new ScrollContainerWindow(mpScrollClipWindow.get())),
      mpFiller(new Window(this)),
      mpVerticalScrollBar(new ScrollBar(this))
{
    SetBackground(Wallpaper());

    mpScrollClipWindow->SetBackground(Wallpaper());
    mpScrollClipWindow->Show();

    mpScrollContainer->SetStyle(mpScrollContainer->GetStyle() | WB_DIALOGCONTROL);
    mpScrollContainer->SetBackground(Wallpaper());
    mpScrollContainer->Show();

    mpVerticalScrollBar->SetScrollHdl(LINK(this, Deck, HandleVerticalScrollBarChange));

#ifdef DEBUG
    SetText(A2S("Deck"));
    mpScrollClipWindow->SetText(A2S("ScrollClipWindow"));
    mpFiller->SetText(A2S("Filler"));
    mpVerticalScrollBar->SetText(A2S("VerticalScrollBar"));
#endif
}


Deck::~Deck (void)
{
    Dispose();

    // We have to explicitly trigger the destruction of panels.
    // Otherwise that is done by one of our base class destructors
    // without updating maPanels.
    maPanels.clear();
}


void Deck::Dispose (void)
{
    SharedPanelContainer aPanels;
    aPanels.swap(maPanels);
    for (SharedPanelContainer::iterator
             iPanel(aPanels.begin()),
             iEnd(aPanels.end());
         iPanel!=iEnd;
         ++iPanel)
    {
		if (*iPanel)
        {
			(*iPanel)->Dispose();
            OSL_ASSERT(iPanel->unique());
            iPanel->reset();
        }
    }

    mpTitleBar.reset();
    mpFiller.reset();
    mpVerticalScrollBar.reset();
}


const ::rtl::OUString& Deck::GetId (void) const
{
    return msId;
}


DeckTitleBar* Deck::GetTitleBar (void) const
{
    return mpTitleBar.get();
}


Rectangle Deck::GetContentArea (void) const
{
    const Size aWindowSize (GetSizePixel());
    const int nBorderSize (Theme::GetInteger(Theme::Int_DeckBorderSize));

    return Rectangle(
        Theme::GetInteger(Theme::Int_DeckLeftPadding) + nBorderSize,
        Theme::GetInteger(Theme::Int_DeckTopPadding) + nBorderSize,
        aWindowSize.Width() - 1 - Theme::GetInteger(Theme::Int_DeckRightPadding) - nBorderSize,
        aWindowSize.Height() - 1 - Theme::GetInteger(Theme::Int_DeckBottomPadding) - nBorderSize);
}


::rtl::OUString Deck::GetIconURL (const bool bIsHighContrastModeActive) const
{
    if (bIsHighContrastModeActive)
        return msHighContrastIconURL;
    else
        return msIconURL;
}


void Deck::Paint (const Rectangle& rUpdateArea)
{
    (void) rUpdateArea;

    const Size aWindowSize (GetSizePixel());
    const SvBorder aPadding (
            Theme::GetInteger(Theme::Int_DeckLeftPadding),
            Theme::GetInteger(Theme::Int_DeckTopPadding),
            Theme::GetInteger(Theme::Int_DeckRightPadding),
            Theme::GetInteger(Theme::Int_DeckBottomPadding));

    // Paint deck background outside the border.
    Rectangle aBox(
        0,
        0,
        aWindowSize.Width() - 1,
        aWindowSize.Height() - 1);
    DrawHelper::DrawBorder(
        *this,
        aBox,
        aPadding,
        Theme::GetPaint(Theme::Paint_DeckBackground),
        Theme::GetPaint(Theme::Paint_DeckBackground));

    // Paint the border.
    const int nBorderSize (Theme::GetInteger(Theme::Int_DeckBorderSize));
    aBox.Left() += aPadding.Left();
    aBox.Top() += aPadding.Top();
    aBox.Right() -= aPadding.Right();
    aBox.Bottom() -= aPadding.Bottom();
    const sfx2::sidebar::Paint& rHorizontalBorderPaint (Theme::GetPaint(Theme::Paint_HorizontalBorder));
    DrawHelper::DrawBorder(
        *this,
        aBox,
        SvBorder(nBorderSize, nBorderSize, nBorderSize, nBorderSize),
        rHorizontalBorderPaint,
        Theme::GetPaint(Theme::Paint_VerticalBorder));
}


void Deck::DataChanged (const DataChangedEvent& rEvent)
{
    (void)rEvent;
    RequestLayout();
}


long Deck::Notify (NotifyEvent& rEvent)
{
    if (rEvent.GetType() == EVENT_COMMAND)
    {
        CommandEvent* pCommandEvent = reinterpret_cast<CommandEvent*>(rEvent.GetData());
        if (pCommandEvent != NULL)
            switch (pCommandEvent->GetCommand())
            {
                case COMMAND_WHEEL:
                    return ProcessWheelEvent(pCommandEvent, rEvent)
                        ? sal_True
                        : sal_False;

                default:
                    break;
            }
    }

    return Window::Notify(rEvent);
}


bool Deck::ProcessWheelEvent (
    CommandEvent* pCommandEvent,
    NotifyEvent& rEvent)
{
    if ( ! mpVerticalScrollBar)
        return false;
    if ( ! mpVerticalScrollBar->IsVisible())
        return false;

    // Ignore all wheel commands from outside the vertical scroll bar.
    // Otherwise after a scroll we might land on a spin field and
    // subsequent wheel events would change the value of that control.
    if (rEvent.GetWindow() != mpVerticalScrollBar.get())
        return true;

    // Get the wheel data and check that it describes a valid vertical
    // scroll.
    const CommandWheelData* pData = pCommandEvent->GetWheelData();
    if (pData==NULL
        || pData->GetModifier()
        || pData->GetMode() != COMMAND_WHEEL_SCROLL
        || pData->IsHorz())
        return false;

    // Execute the actual scroll action.
    long nDelta = pData->GetDelta();
    mpVerticalScrollBar->DoScroll(
        mpVerticalScrollBar->GetThumbPos() - nDelta);
    return true;
}


void Deck::SetPanels (const SharedPanelContainer& rPanels)
{
    maPanels = rPanels;

    RequestLayout();
}


const SharedPanelContainer& Deck::GetPanels (void) const
{
    return maPanels;
}


void Deck::RequestLayout (void)
{
    //    PrintWindowTree();

    DeckLayouter::LayoutDeck(
        GetContentArea(),
        maPanels,
        *GetTitleBar(),
        *mpScrollClipWindow,
        *mpScrollContainer,
        *mpFiller,
        *mpVerticalScrollBar);

    Invalidate();
}


::Window* Deck::GetPanelParentWindow (void)
{
    return mpScrollContainer.get();
}


void Deck::ShowPanel (const Panel& rPanel)
{
    if (mpVerticalScrollBar && mpVerticalScrollBar->IsVisible())
    {
        // Get vertical extent of the panel.
        sal_Int32 nPanelTop (rPanel.GetPosPixel().Y());
        const sal_Int32 nPanelBottom (nPanelTop + rPanel.GetSizePixel().Height() - 1);
        // Add the title bar into the extent.
        if (rPanel.GetTitleBar() != NULL && rPanel.GetTitleBar()->IsVisible())
            nPanelTop = rPanel.GetTitleBar()->GetPosPixel().Y();

        // Determine what the new thumb position should be like.
        // When the whole panel does not fit then make its top visible
        // and it off at the bottom.
        sal_Int32 nNewThumbPos (mpVerticalScrollBar->GetThumbPos());
        if (nPanelBottom >= nNewThumbPos+mpVerticalScrollBar->GetVisibleSize())
            nNewThumbPos = nPanelBottom - mpVerticalScrollBar->GetVisibleSize();
        if (nPanelTop < nNewThumbPos)
            nNewThumbPos = nPanelTop;

        mpVerticalScrollBar->SetThumbPos(nNewThumbPos);
        mpScrollContainer->SetPosPixel(
            Point(
                mpScrollContainer->GetPosPixel().X(),
                -nNewThumbPos));

    }
}


const char* GetWindowClassification (const Window* pWindow)
{
    const String& rsName (pWindow->GetText());
    if (rsName.Len() > 0)
    {
        return ::rtl::OUStringToOString(rsName, RTL_TEXTENCODING_ASCII_US).getStr();
    }
    else
    {
        static char msWindow[] = "window";
        return msWindow;
    }
}


void Deck::PrintWindowSubTree (Window* pRoot, int nIndentation)
{
    static const char* sIndentation = "                                                                  ";
    const Point aLocation (pRoot->GetPosPixel());
    const Size aSize (pRoot->GetSizePixel());
    const char* sClassification = GetWindowClassification(pRoot);
    const char* sVisible = pRoot->IsVisible() ? "visible" : "hidden";
    OSL_TRACE("%s%x %s %s +%d+%d x%dx%d",
        sIndentation+strlen(sIndentation)-nIndentation*4,
        pRoot,
        sClassification,
        sVisible,
        aLocation.X(),aLocation.Y(),
        aSize.Width(),aSize.Height());

    const sal_uInt16 nChildCount (pRoot->GetChildCount());
    for (sal_uInt16 nIndex=0; nIndex<nChildCount; ++nIndex)
        PrintWindowSubTree(pRoot->GetChild(nIndex), nIndentation+1);
}


void Deck::PrintWindowTree (void)
{
    PrintWindowSubTree(this, 0);
}


void Deck::PrintWindowTree (const ::std::vector<Panel*>& rPanels)
{
    (void)rPanels;

    PrintWindowTree();
}


IMPL_LINK(Deck, HandleVerticalScrollBarChange,void*, EMPTYARG)
{
    const sal_Int32 nYOffset (-mpVerticalScrollBar->GetThumbPos());
    mpScrollContainer->SetPosPixel(
        Point(
            mpScrollContainer->GetPosPixel().X(),
            nYOffset));
    return sal_True;
}


//----- Deck::ScrollContainerWindow -------------------------------------------

Deck::ScrollContainerWindow::ScrollContainerWindow (Window* pParentWindow)
    : Window(pParentWindow),
      maSeparators()
{
#ifdef DEBUG
    SetText(A2S("ScrollContainerWindow"));
#endif
}


Deck::ScrollContainerWindow::~ScrollContainerWindow (void)
{
}


void Deck::ScrollContainerWindow::Paint (const Rectangle& rUpdateArea)
{
    (void)rUpdateArea;

    // Paint the separators.
    const sal_Int32 nSeparatorHeight (Theme::GetInteger(Theme::Int_DeckSeparatorHeight));
    const sal_Int32 nLeft  (0);
    const sal_Int32 nRight (GetSizePixel().Width()-1);
    const sfx2::sidebar::Paint& rHorizontalBorderPaint (Theme::GetPaint(Theme::Paint_HorizontalBorder));
    for (::std::vector<sal_Int32>::const_iterator iY(maSeparators.begin()), iEnd(maSeparators.end());
         iY!=iEnd;
         ++iY)
    {
        DrawHelper::DrawHorizontalLine(
            *this,
            nLeft,
            nRight,
            *iY,
            nSeparatorHeight,
            rHorizontalBorderPaint);
    }
}


void Deck::ScrollContainerWindow::SetSeparators (const ::std::vector<sal_Int32>& rSeparators)
{
    maSeparators = rSeparators;
}


} } // end of namespace sfx2::sidebar