ui/drawfunc/fupoor.cxx

/*************************************************************************
 *
 * 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.
 *
 ************************************************************************/

// MARKER(update_precomp.py): autogen include statement, do not remove
#include "precompiled_sc.hxx"

#include <editeng/outliner.hxx>
#include <svx/svditer.hxx>
#include <svx/svdobj.hxx>
#include <svx/svdpagv.hxx>

#include "fupoor.hxx"
#include "tabvwsh.hxx"
#include "drawview.hxx"
#include "detfunc.hxx"
#include "document.hxx"
#include <vcl/svapp.hxx>
#include <svx/sdrhittesthelper.hxx>

/*************************************************************************
|*
|* Konstruktor
|*
\************************************************************************/

FuPoor::FuPoor(ScTabViewShell* pViewSh, Window* pWin, ScDrawView* pViewP,
			   SdrModel* pDoc, SfxRequest& rReq) :
    pView(pViewP),
	pViewShell(pViewSh),
	pWindow(pWin),
	pDrDoc(pDoc),
	aSfxRequest(rReq),
	pDialog(NULL),
	bIsInDragMode(sal_False),
	// #95491# remember MouseButton state
	mnCode(0)
{
	aScrollTimer.SetTimeoutHdl( LINK(this, FuPoor, ScrollHdl) );
	aScrollTimer.SetTimeout(SELENG_AUTOREPEAT_INTERVAL);

	aDragTimer.SetTimeoutHdl( LINK(this, FuPoor, DragTimerHdl) );
	aDragTimer.SetTimeout(SELENG_DRAGDROP_TIMEOUT);
}

/*************************************************************************
|*
|* Destruktor
|*
\************************************************************************/

FuPoor::~FuPoor()
{
	aDragTimer.Stop();
	aScrollTimer.Stop();

	if (pDialog)
		delete pDialog;
}

/*************************************************************************
|*
|* Function aktivieren
|*
\************************************************************************/

void FuPoor::Activate()
{
	if (pDialog)
	{
		pDialog->Show();
	}
}

/*************************************************************************
|*
|* Function deaktivieren
|*
\************************************************************************/

void FuPoor::Deactivate()
{
	aDragTimer.Stop();
	aScrollTimer.Stop();

	if (pDialog)
	{
		pDialog->Hide();
	}
}

/*************************************************************************
|*
|* Scrollen bei Erreichen des Fensterrandes; wird von
|* MouseMove aufgerufen
|*
\************************************************************************/

void FuPoor::ForceScroll(const Point& aPixPos)
{
	aScrollTimer.Stop();

	Size aSize = pWindow->GetSizePixel();
	SCsCOL dx = 0;
	SCsROW dy = 0;

	if ( aPixPos.X() <= 0			   ) dx = -1;
	if ( aPixPos.X() >= aSize.Width()  ) dx =  1;
	if ( aPixPos.Y() <= 0			   ) dy = -1;
	if ( aPixPos.Y() >= aSize.Height() ) dy =  1;

	ScViewData* pViewData = pViewShell->GetViewData();
	if ( pViewData->GetDocument()->IsNegativePage( pViewData->GetTabNo() ) )
		dx = -dx;

	ScSplitPos eWhich = pViewData->GetActivePart();
	if ( dx > 0 && pViewData->GetHSplitMode() == SC_SPLIT_FIX && WhichH(eWhich) == SC_SPLIT_LEFT )
	{
		pViewShell->ActivatePart( ( eWhich == SC_SPLIT_TOPLEFT ) ?
						SC_SPLIT_TOPRIGHT : SC_SPLIT_BOTTOMRIGHT );
		dx = 0;
	}
	if ( dy > 0 && pViewData->GetVSplitMode() == SC_SPLIT_FIX && WhichV(eWhich) == SC_SPLIT_TOP )
	{
		pViewShell->ActivatePart( ( eWhich == SC_SPLIT_TOPLEFT ) ?
						SC_SPLIT_BOTTOMLEFT : SC_SPLIT_BOTTOMRIGHT );
		dy = 0;
	}

	if ( dx != 0 || dy != 0 )
	{
		ScrollStart();							// Scrollaktion in abgeleiteter Klasse
		pViewShell->ScrollLines(2*dx, 4*dy);
		ScrollEnd();
		aScrollTimer.Start();
	}
}

/*************************************************************************
|*
|* Timer-Handler fuer Fensterscrolling
|*
\************************************************************************/

IMPL_LINK_INLINE_START( FuPoor, ScrollHdl, Timer *, EMPTYARG )
{
	Point aPosPixel = pWindow->GetPointerPosPixel();

	// #95491# use remembered MouseButton state to create correct
	// MouseEvents for this artifical MouseMove.
	MouseMove(MouseEvent(aPosPixel, 1, 0, GetMouseButtonCode()));

	return 0;
}
IMPL_LINK_INLINE_END( FuPoor, ScrollHdl, Timer *, pTimer )

// #95491# moved from inline to *.cxx
sal_Bool FuPoor::MouseButtonUp(const MouseEvent& rMEvt)
{
	// #95491# remember button state for creation of own MouseEvents
	SetMouseButtonCode(rMEvt.GetButtons());

	return sal_False;
}

// #95491# moved from inline to *.cxx
sal_Bool FuPoor::MouseButtonDown(const MouseEvent& rMEvt)
{
	// #95491# remember button state for creation of own MouseEvents
	SetMouseButtonCode(rMEvt.GetButtons());

	return sal_False;
}

/*************************************************************************
|*
|* String in Applikations-Statuszeile ausgeben
|*
\************************************************************************/

//	WriteStatus gibt's nicht mehr

/*************************************************************************
|*
|* Tastaturereignisse bearbeiten
|*
|* Wird ein KeyEvent bearbeitet, so ist der Return-Wert sal_True, andernfalls
|* FALSE.
|*
\************************************************************************/

sal_Bool FuPoor::KeyInput(const KeyEvent& /* rKEvt */)
{
	sal_Bool bReturn = sal_False;

	return(bReturn);
}

sal_uInt8 FuPoor::Command(const CommandEvent& rCEvt)
{
	if ( COMMAND_STARTDRAG == rCEvt.GetCommand() )
	{
		//!!! sollte Joe eigentlich machen:
		// nur, wenn im Outliner was selektiert ist, darf
		// Command sal_True zurueckliefern:

		OutlinerView* pOutView = pView->GetTextEditOutlinerView();

		if ( pOutView )
			return pOutView->HasSelection() ? pView->Command(rCEvt,pWindow) : SC_CMD_NONE;
		else
			return pView->Command(rCEvt,pWindow);
	}
	else
		return pView->Command(rCEvt,pWindow);
}

/*************************************************************************
|*
|* Cut object to clipboard
|*
\************************************************************************/

void FuPoor::DoCut()
{
	if (pView)
	{
//!		pView->DoCut(pWindow);
	}
}

/*************************************************************************
|*
|* Copy object to clipboard
|*
\************************************************************************/

void FuPoor::DoCopy()
{
	if (pView)
	{
//!		pView->DoCopy(pWindow);
	}
}

/*************************************************************************
|*
|* Paste object from clipboard
|*
\************************************************************************/

void FuPoor::DoPaste()
{
	if (pView)
	{
//!		pView->DoPaste(pWindow);
	}
}

/*************************************************************************
|*
|* Timer-Handler fuer Drag&Drop
|*
\************************************************************************/

IMPL_LINK( FuPoor, DragTimerHdl, Timer *, EMPTYARG )
{
	//	ExecuteDrag (und das damit verbundene Reschedule) direkt aus dem Timer
	//	aufzurufen, bringt die VCL-Timer-Verwaltung durcheinander, wenn dabei
	//	(z.B. im Drop) wieder ein Timer gestartet wird (z.B. ComeBack-Timer der
	//	DrawView fuer Solid Handles / ModelHasChanged) - der neue Timer laeuft
	//	dann um die Dauer des Drag&Drop zu spaet ab.
	//	Darum Drag&Drop aus eigenem Event:

	Application::PostUserEvent( LINK( this, FuPoor, DragHdl ) );
	return 0;
}

IMPL_LINK( FuPoor, DragHdl, void *, EMPTYARG )
{
	SdrHdl* pHdl = pView->PickHandle(aMDPos);

	if ( pHdl==NULL && pView->IsMarkedHit(aMDPos) )
	{
		pWindow->ReleaseMouse();
		bIsInDragMode = sal_True;

//		pView->BeginDrag(pWindow, aMDPos);
		pViewShell->GetScDrawView()->BeginDrag(pWindow, aMDPos);
	}
	return 0;
}

//	Detektiv-Linie

sal_Bool FuPoor::IsDetectiveHit( const Point& rLogicPos )
{
	SdrPageView* pPV = pView->GetSdrPageView();
	if (!pPV)
		return sal_False;

	sal_Bool bFound = sal_False;
	SdrObjListIter aIter( *pPV->GetObjList(), IM_FLAT );
	SdrObject* pObject = aIter.Next();
	while (pObject && !bFound)
	{
		if (ScDetectiveFunc::IsNonAlienArrow( pObject ))
		{
			sal_uInt16 nHitLog = (sal_uInt16) pWindow->PixelToLogic(
								Size(pView->GetHitTolerancePixel(),0)).Width();
			if(SdrObjectPrimitiveHit(*pObject, rLogicPos, nHitLog, *pPV, 0, false))
            {
				bFound = sal_True;
            }
		}

		pObject = aIter.Next();
	}
	return bFound;
}

void FuPoor::StopDragTimer()
{
	if (aDragTimer.IsActive() )
		aDragTimer.Stop();
}

/*************************************************************************
|*
|* #98185# Create default drawing objects via keyboard
|*
\************************************************************************/

SdrObject* FuPoor::CreateDefaultObject(const sal_uInt16 /* nID */, const Rectangle& /* rRectangle */)
{
	// empty base implementation
	return 0L;
}

void FuPoor::ImpForceQuadratic(Rectangle& rRect)
{
	if(rRect.GetWidth() > rRect.GetHeight())
	{
		rRect = Rectangle(
			Point(rRect.Left() + ((rRect.GetWidth() - rRect.GetHeight()) / 2), rRect.Top()),
			Size(rRect.GetHeight(), rRect.GetHeight()));
	}
	else
	{
		rRect = Rectangle(
			Point(rRect.Left(), rRect.Top() + ((rRect.GetHeight() - rRect.GetWidth()) / 2)),
			Size(rRect.GetWidth(), rRect.GetWidth()));
	}
}

// #i33136#
bool FuPoor::doConstructOrthogonal() const
{
	return false;
}

// eof