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/* -*- Mode: C++; tab-width: 4; indent-tabs-mode: nil; c-basic-offset: 4 -*- */
/*
* This file is part of the LibreOffice project.
*
* This Source Code Form is subject to the terms of the Mozilla Public
* License, v. 2.0. If a copy of the MPL was not distributed with this
* file, You can obtain one at http://mozilla.org/MPL/2.0/.
*
* This file incorporates work covered by the following license notice:
*
* 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 .
*/
#ifndef SD_SLIDESORTER_SELECTION_FUNCTION_HXX
#define SD_SLIDESORTER_SELECTION_FUNCTION_HXX
#include "model/SlsSharedPageDescriptor.hxx"
#include "controller/SlsFocusManager.hxx"
#include "controller/SlsInsertionIndicatorHandler.hxx"
#include "fupoor.hxx"
#include <svtools/transfer.hxx>
#include <boost/noncopyable.hpp>
#include <boost/scoped_ptr.hpp>
namespace sd { namespace slidesorter {
class SlideSorter;
} }
namespace sd { namespace slidesorter { namespace controller {
class SlideSorterController;
class SelectionFunction
: public FuPoor,
private ::boost::noncopyable
{
public:
TYPEINFO();
static FunctionReference Create( SlideSorter& rSlideSorter, SfxRequest& rRequest );
// Mouse- & Key-Events
virtual sal_Bool KeyInput(const KeyEvent& rKEvt);
virtual sal_Bool MouseMove(const MouseEvent& rMEvt);
virtual sal_Bool MouseButtonUp(const MouseEvent& rMEvt);
virtual sal_Bool MouseButtonDown(const MouseEvent& rMEvt);
virtual void Activate();
virtual void Deactivate();
/// Forward to the clipboard manager.
virtual void DoCut (void);
/// Forward to the clipboard manager.
virtual void DoCopy (void);
/// Forward to the clipboard manager.
virtual void DoPaste (void);
/** is called when the current function should be aborted. <p>
This is used when a function gets a KEY_ESCAPE but can also
be called directly.
@returns
true if a active function was aborted
*/
virtual bool cancel();
void MouseDragged (
const AcceptDropEvent& rEvent,
const sal_Int8 nDragAction);
/** Turn of substitution display and insertion indicator.
*/
void NotifyDragFinished (void);
/** Call when drag-and-drop or multi selection is started or stopped in
order to update permission of mouse over indication.
*/
void UpdateMouseOverIndicationPermission (void);
class EventDescriptor;
class ModeHandler;
friend class ModeHandler;
enum Mode
{
NormalMode,
MultiSelectionMode,
DragAndDropMode,
ButtonMode
};
void SwitchToNormalMode (void);
void SwitchToDragAndDropMode(const Point aMousePosition);
void SwitchToMultiSelectionMode (const Point aMousePosition, const sal_uInt32 nEventCode);
void ResetShiftKeySelectionAnchor (void);
/** Special case handling for when the context menu is hidden. This
method will reinitialize the current mouse position to prevent the
mouse motion during the time the context menu is displayed from
being interpreted as drag-and-drop start.
*/
void ResetMouseAnchor (void);
protected:
SlideSorter& mrSlideSorter;
SlideSorterController& mrController;
SelectionFunction (
SlideSorter& rSlideSorter,
SfxRequest& rRequest);
virtual ~SelectionFunction();
private:
/// The rectangle of the mouse drag selection.
Rectangle maDragSelectionRectangle;
bool mbDragSelection;
/// Box of the insert marker in model coordinates.
Rectangle maInsertionMarkerBox;
/** We use this flag to filter out the cases where MouseMotion() is called
with a pressed mouse button but without a prior MouseButtonDown()
call. This is an indication that the mouse button was pressed over
another control, e.g. the view tab bar, and that a re-layout of the
controls moved the slide sorter under the mouse.
*/
bool mbProcessingMouseButtonDown;
bool mbIsDeselectionPending;
/** Remember the slide where the shift key was pressed and started a
multiselection via keyboard.
*/
sal_Int32 mnShiftKeySelectionAnchor;
/** The selection function can be in one of several mutually
exclusive modes.
*/
::boost::shared_ptr<ModeHandler> mpModeHandler;
/** Make the slide nOffset slides away of the current one the new
current slide. When the new index is outside the range of valid
page numbers it is clipped to that range.
@param nOffset
When nOffset is negative then go back. When nOffset if positive go
forward. When it is zero then ignore the call.
*/
void GotoNextPage (int nOffset);
/** Make the slide with the given index the new current slide.
@param nIndex
Index of the new current slide. When the new index is outside
the range of valid page numbers it is clipped to that range.
*/
void GotoPage (int nIndex);
void ProcessMouseEvent (sal_uInt32 nEventType, const MouseEvent& rEvent);
// What follows are a couple of helper methods that are used by
// ProcessMouseEvent().
void ProcessEvent (EventDescriptor& rEvent);
void MoveFocus (
const FocusManager::FocusMoveDirection eDirection,
const bool bIsShiftDown,
const bool bIsControlDown);
void StopDragAndDrop (void);
void SwitchMode (const ::boost::shared_ptr<ModeHandler>& rpHandler);
};
} } } // end of namespace ::sd::slidesorter::controller
#endif
/* vim:set shiftwidth=4 softtabstop=4 expandtab: */
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