Files
libreoffice/sd/source/ui/slidesorter/controller/SlsFocusManager.cxx
Oliver Bolte 4de4c1126b INTEGRATION: CWS impress29 (1.2.186); FILE MERGED
2005/01/13 16:50:19 af 1.2.186.2: #i39639# Guard code in HideFocusIndicator() against pDescriptor being NULL.
2005/01/13 10:16:28 af 1.2.186.1: #i32465# Added new SetFocusedPage() method in two variants.
2005-01-25 14:34:22 +00:00

310 lines
7.9 KiB
C++

/*************************************************************************
*
* $RCSfile: SlsFocusManager.cxx,v $
*
* $Revision: 1.4 $
*
* last change: $Author: obo $ $Date: 2005-01-25 15:34:22 $
*
* The Contents of this file are made available subject to the terms of
* either of the following licenses
*
* - GNU Lesser General Public License Version 2.1
* - Sun Industry Standards Source License Version 1.1
*
* Sun Microsystems Inc., October, 2000
*
* GNU Lesser General Public License Version 2.1
* =============================================
* Copyright 2000 by Sun Microsystems, Inc.
* 901 San Antonio Road, Palo Alto, CA 94303, USA
*
* This library is free software; you can redistribute it and/or
* modify it under the terms of the GNU Lesser General Public
* License version 2.1, as published by the Free Software Foundation.
*
* This library 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 for more details.
*
* You should have received a copy of the GNU Lesser General Public
* License along with this library; if not, write to the Free Software
* Foundation, Inc., 59 Temple Place, Suite 330, Boston,
* MA 02111-1307 USA
*
*
* Sun Industry Standards Source License Version 1.1
* =================================================
* The contents of this file are subject to the Sun Industry Standards
* Source License Version 1.1 (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.openoffice.org/license.html.
*
* Software provided under this License is provided on an "AS IS" basis,
* WITHOUT WARRANTY OF ANY KIND, EITHER EXPRESSED OR IMPLIED, INCLUDING,
* WITHOUT LIMITATION, WARRANTIES THAT THE SOFTWARE IS FREE OF DEFECTS,
* MERCHANTABLE, FIT FOR A PARTICULAR PURPOSE, OR NON-INFRINGING.
* See the License for the specific provisions governing your rights and
* obligations concerning the Software.
*
* The Initial Developer of the Original Code is: Sun Microsystems, Inc.
*
* Copyright: 2000 by Sun Microsystems, Inc.
*
* All Rights Reserved.
*
* Contributor(s): _______________________________________
*
*
************************************************************************/
#include "controller/SlsFocusManager.hxx"
#include "controller/SlideSorterController.hxx"
#include "model/SlideSorterModel.hxx"
#include "model/SlsPageDescriptor.hxx"
#include "view/SlideSorterView.hxx"
#include "view/SlsLayouter.hxx"
#include "Window.hxx"
#include "sdpage.hxx"
namespace sd { namespace slidesorter { namespace controller {
FocusManager::FocusManager (SlideSorterController& rController)
: mrController (rController),
mnPageIndex (-1),
mbPageIsFocused (false)
{
if (mrController.GetModel().GetPageCount() > 0)
mnPageIndex = 0;
}
FocusManager::~FocusManager (void)
{
}
void FocusManager::MoveFocus (FocusMoveDirection eDirection)
{
if (mnPageIndex >= 0 && mbPageIsFocused)
{
HideFocusIndicator (GetFocusedPageDescriptor());
int nColumnCount
= mrController.GetView().GetLayouter().GetColumnCount();
switch (eDirection)
{
case FMD_NONE:
if (mnPageIndex >= mrController.GetModel().GetPageCount())
mnPageIndex = mrController.GetModel().GetPageCount() - 1;
break;
case FMD_LEFT:
mnPageIndex -= 1;
if (mnPageIndex < 0)
mnPageIndex = mrController.GetModel().GetPageCount() - 1;
break;
case FMD_RIGHT:
mnPageIndex += 1;
if (mnPageIndex >= mrController.GetModel().GetPageCount())
mnPageIndex = 0;
break;
case FMD_UP:
{
int nColumn = mnPageIndex % nColumnCount;
mnPageIndex -= nColumnCount;
if (mnPageIndex < 0)
{
// Wrap arround to the bottom row or the one above and
// go to the correct column.
int nCandidate = mrController.GetModel().GetPageCount()-1;
int nCandidateColumn = nCandidate % nColumnCount;
if (nCandidateColumn > nColumn)
mnPageIndex = nCandidate - (nCandidateColumn-nColumn);
else if (nCandidateColumn < nColumn)
mnPageIndex = nCandidate
- nColumnCount
+ (nColumn - nCandidateColumn);
else
mnPageIndex = nCandidate;
}
}
break;
case FMD_DOWN:
{
int nColumn = mnPageIndex % nColumnCount;
mnPageIndex += nColumnCount;
if (mnPageIndex >= mrController.GetModel().GetPageCount())
{
// Wrap arround to the correct column.
mnPageIndex = nColumn;
}
}
break;
}
ShowFocusIndicator (GetFocusedPageDescriptor());
}
}
void FocusManager::ShowFocus (void)
{
mbPageIsFocused = true;
ShowFocusIndicator (GetFocusedPageDescriptor());
}
void FocusManager::HideFocus (void)
{
mbPageIsFocused = false;
HideFocusIndicator (GetFocusedPageDescriptor());
}
bool FocusManager::ToggleFocus (void)
{
if (mnPageIndex >= 0)
{
if (mbPageIsFocused)
HideFocus ();
else
ShowFocus ();
}
return mbPageIsFocused;
}
bool FocusManager::HasFocus (void) const
{
return mrController.GetView().GetWindow()->HasFocus();
}
model::PageDescriptor* FocusManager::GetFocusedPageDescriptor (void) const
{
return mrController.GetModel().GetPageDescriptor (mnPageIndex);
}
sal_Int32 FocusManager::GetFocusedPageIndex (void) const
{
return mnPageIndex;
}
void FocusManager::FocusPage (sal_Int32 nPageIndex)
{
if (nPageIndex != mnPageIndex)
{
// Hide the focus while switching it to the specified page.
FocusHider aHider (*this);
mnPageIndex = nPageIndex;
}
}
void FocusManager::SetFocusedPage (const model::PageDescriptor& rDescriptor)
{
FocusHider aFocusHider (*this);
mnPageIndex = (rDescriptor.GetPage()->GetPageNum()-1)/2;
}
void FocusManager::SetFocusedPage (sal_Int32 nPageIndex)
{
FocusHider aFocusHider (*this);
mnPageIndex = nPageIndex;
}
bool FocusManager::IsFocusShowing (void) const
{
return HasFocus() && mbPageIsFocused;
}
void FocusManager::HideFocusIndicator (model::PageDescriptor* pDescriptor)
{
if (pDescriptor != NULL)
{
pDescriptor->RemoveFocus();
mrController.GetView().RequestRepaint (*pDescriptor);
}
}
void FocusManager::ShowFocusIndicator (model::PageDescriptor* pDescriptor)
{
if (pDescriptor != NULL)
{
pDescriptor->SetFocus ();
// Scroll the focused page object into the visible area and repaint
// it, so that the focus indicator becomes visible.
view::SlideSorterView& rView (mrController.GetView());
mrController.MakeRectangleVisible (
rView.GetPageBoundingBox (
*GetFocusedPageDescriptor(),
view::SlideSorterView::CS_MODEL,
view::SlideSorterView::BBT_INFO));
mrController.GetView().RequestRepaint (*pDescriptor);
}
}
FocusManager::FocusHider::FocusHider (FocusManager& rManager)
: mrManager(rManager),
mbFocusVisible(rManager.IsFocusShowing())
{
mrManager.HideFocus();
}
FocusManager::FocusHider::~FocusHider (void)
{
if (mbFocusVisible)
mrManager.ShowFocus();
}
} } } // end of namespace ::sd::slidesorter::controller