--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/windowing/windowserver/nonnga/SERVER/TCURSOR.CPP	Tue Feb 02 01:47:50 2010 +0200
@@ -0,0 +1,381 @@
+// Copyright (c) 1995-2009 Nokia Corporation and/or its subsidiary(-ies).
+// All rights reserved.
+// This component and the accompanying materials are made available
+// under the terms of "Eclipse Public License v1.0"
+// which accompanies this distribution, and is available
+// at the URL "http://www.eclipse.org/legal/epl-v10.html".
+//
+// Initial Contributors:
+// Nokia Corporation - initial contribution.
+//
+// Contributors:
+//
+// Description:
+// The text cursor
+// 
+//
+
+#include <e32std.h>
+#include "server.h"
+#include "tcursor.h"
+#include "windowgroup.h"
+#include "wstop.h"
+#include "panics.h"
+#include "offscreenbitmap.h"
+#include "EVENT.H"
+#include "graphics/windowserverconstants.h"
+
+void RWsTextCursor::ConstructL(CWsWindowGroup *aGroupWin)
+	{
+	iInternalFlags = 0;
+	iGroupWin=aGroupWin;
+	iCustomTextCursor = NULL;
+	}
+
+void RWsTextCursor::Close()
+	{
+	iDrawRegion.Close();
+	Cancel();
+	}
+
+void RWsTextCursor::SetL(const TWsWinCmdSetTextCursor &aSet, TBool aClipped)
+	{
+	if (aSet.cursor.iType < TTextCursor::ETypeFirst ||
+        (aSet.cursor.iType > TTextCursor::ETypeLast &&        
+         aSet.cursor.iType <= TTextCursor::ETypeLastBasic) ||
+		(aSet.cursor.iFlags&static_cast<TUint>(ETextCursorPrivateFlags)))
+		{
+		Cancel();
+		iGroupWin->OwnerPanic(EWservPanicInvalidTextCursor);
+		}
+	else
+		{
+		CWsClientWindow* win = NULL;
+		iGroupWin->WsOwner()->HandleToClientWindow(aSet.window, &win);
+
+		// Check window is a child of the group window
+		CWsWindowBase* searchWin = NULL;
+		for(searchWin=win; searchWin->WinType()!=EWinTypeGroup; searchWin=searchWin->BaseParent())
+			{}
+		if (iGroupWin != searchWin)
+			{
+			Cancel();
+			iGroupWin->OwnerPanic(EWservPanicWindow);
+			}
+
+		TPoint pos(aSet.pos.iX, aSet.pos.iY-aSet.cursor.iAscent);
+		TSize size(aSet.cursor.iWidth, aSet.cursor.iHeight);
+		TUint flags = aSet.cursor.iFlags;
+		TInt type = aSet.cursor.iType;
+		TRect clipRect = iClipRect;
+		TRgb color = aSet.cursor.iColor;
+		CWsCustomTextCursor* customTextCursor = iCustomTextCursor;
+		TBool changed = EFalse;
+
+		TPoint clipOrigo;
+		TSize clipSize;
+
+		if (type > TTextCursor::ETypeLastBasic)
+			{
+			changed = ETrue;
+
+			customTextCursor = CWsClient::FindCustomTextCursor(type);
+			if (!customTextCursor)
+				{
+				Cancel();
+				iGroupWin->OwnerPanic(EWservPanicNoCustomTextCursor);
+				return;
+				}
+			
+			if( !customTextCursor->HasSpriteMember() )
+				{
+				iGroupWin->OwnerPanic(EWservPanicNoSpriteMember);
+				return;
+				}
+			
+			TInt yAdjust=0;
+			switch (customTextCursor->Alignment())
+				{
+				case RWsSession::ECustomTextCursorAlignTop:
+					break;
+				case RWsSession::ECustomTextCursorAlignBaseline:
+					yAdjust = aSet.cursor.iAscent-1;
+					break;
+				case RWsSession::ECustomTextCursorAlignBottom:
+					yAdjust = aSet.cursor.iHeight-1;
+					break;
+				default:
+					Cancel();
+					iGroupWin->OwnerPanic(EWservPanicCustomTextCursorAlign);
+					return;
+				}
+			pos.iY += yAdjust;
+			// Start with a clipping rect to be the whole window
+			// relative cursor pos and shrink down to what we want
+			clipOrigo = -pos;
+			clipSize = win->Size();
+			if (flags & TTextCursor::EFlagClipHorizontal)
+				{
+				clipOrigo.iX = 0;
+				clipSize.iWidth = size.iWidth;
+				}
+			if (flags & TTextCursor::EFlagClipVertical)
+				{
+				clipOrigo.iY = -yAdjust;
+				clipSize.iHeight = aSet.cursor.iHeight;
+				}
+			}
+		else
+			{
+			customTextCursor = NULL;
+			}
+
+		if (aClipped)
+			{
+			flags|=ETextCursorFlagClipped;
+			clipRect=aSet.rect;
+			}
+
+		if (pos != iPos || size != iSize || iType != type ||
+			flags != iFlags || clipRect != iClipRect || color != iColor ||
+			customTextCursor != iCustomTextCursor || win != iWin)
+			{
+			// There is a change in the cursor.
+			changed = ETrue;
+			}
+
+		if (iInternalFlags&EHasFocus && changed)
+			{
+			TCursorSprite::Hide();
+			}
+
+		iPos = pos;
+		iSize = size;
+		iType = type;
+		iFlags= flags;
+		iClipRect = clipRect;
+		iColor = color;
+		iCustomTextCursor = customTextCursor;
+		iWin = win;
+		if (customTextCursor && iInternalFlags&EHasFocus)
+			{
+			customTextCursor->CompleteL(win, !(flags&TTextCursor::EFlagNoFlash), flags & (TTextCursor::EFlagClipHorizontal | TTextCursor::EFlagClipVertical), clipOrigo, clipSize);
+			customTextCursor->SetPositionNoRedraw(pos);
+			}
+
+		if (iInternalFlags&EHasFocus && changed)
+			{
+			TCursorSprite::SetCurrentCursor(this, win);
+			}
+		}
+	}
+
+void RWsTextCursor::Cancel()
+	{
+	if (iType!=TTextCursor::ETypeNone)
+		{
+		if (iInternalFlags&EHasFocus)
+			TCursorSprite::SetFocus(NULL);
+		iType=TTextCursor::ETypeNone;
+		iWin=NULL;
+		}
+	}
+
+void RWsTextCursor::Disable()
+	{
+	if (iWin)
+		{
+		TCursorSprite::Hide();
+		}
+	}
+
+void RWsTextCursor::Enable()
+	{
+	if (iWin)
+		{
+		TCursorSprite::Reveal();
+		}
+	}
+
+void RWsTextCursor::LostFocus()
+	{
+	TCursorSprite::SetFocus(NULL);
+	iInternalFlags &= ~EHasFocus;
+	}
+
+void RWsTextCursor::ReceivedFocus()
+	{
+	iInternalFlags |= EHasFocus;
+	if (iType!=TTextCursor::ETypeNone && iWin)
+		{
+		TCursorSprite::SetFocus(this,iWin);
+		if (iCustomTextCursor)
+			{
+			iCustomTextCursor->SetPositionNoRedraw(iPos);
+			}
+		}
+	}
+
+TRect RWsTextCursor::RectRelativeToScreen() const
+	{
+	TRect rect;
+	rect.iTl=iPos+iWin->Origin();
+	rect.iBr=rect.iTl+iSize;
+	return(rect);
+	}
+
+void RWsTextCursor::doDraw(CFbsBitGc* aGc, const TRegion& aRegion)
+	{
+	TRegionFix<1> justInCase;
+	const TRegion *pr= &aRegion;
+	if (aRegion.CheckError())
+		{
+		justInCase.AddRect(iWin->AbsRect());
+		pr= &justInCase;
+		}
+	if (!pr->IsEmpty())
+		{
+		aGc->SetUserDisplayMode(iWin->DisplayMode());
+		aGc->SetDitherOrigin(iWin->Origin());
+		aGc->SetDrawMode(CGraphicsContext::EDrawModeXOR);
+		switch (iType)
+			{
+			case TTextCursor::ETypeRectangle:
+				{
+				aGc->SetBrushStyle(CGraphicsContext::ESolidBrush);
+				aGc->SetPenStyle(CGraphicsContext::ENullPen);
+				aGc->SetBrushColor(iColor);
+				}
+				break;
+			case TTextCursor::ETypeHollowRectangle:
+				{
+				aGc->SetBrushStyle(CGraphicsContext::ENullBrush);
+				aGc->SetPenStyle(CGraphicsContext::ESolidPen);
+				aGc->SetPenColor(iColor);
+				}
+				break;
+			default:
+				WS_PANIC_ALWAYS(EWsPanicInvalidCursorType);
+			}
+		aGc->SetClippingRegion(pr);
+		aGc->DrawRect(RectRelativeToScreen());
+		aGc->SetUserDisplayMode(ENone);
+
+		TWindowServerEvent::NotifyScreenDrawingEvent(pr);
+		}
+	}
+
+void RWsTextCursor::Draw(CFbsBitGc* aGc, const TRegion& aRegion)
+	{
+	iDrawRegion.Copy(iWin->VisibleRegion());
+	if (iFlags&ETextCursorFlagClipped)
+		{
+		TRect rect(iClipRect);
+		rect.Move(iWin->Origin());
+		iDrawRegion.ClipRect(rect);
+		}
+
+	// Need to clip against a possible recent screen size change.
+	iDrawRegion.ClipRect(iWin->Screen()->DrawDevice()->SizeInPixels());
+
+
+	RWsRegion tmpRegion;
+	tmpRegion.Intersection(iDrawRegion, aRegion);
+	if (tmpRegion.CheckError())
+		doDraw(aGc, iDrawRegion);
+	else
+		{
+		if (!tmpRegion.IsEmpty())
+			{
+			doDraw(aGc, tmpRegion);
+			}
+		}
+	tmpRegion.Close();
+	}
+
+void RWsTextCursor::WindowDisconnected(CWsWindow *aWindow)
+	{
+	if (iWin==aWindow)
+		Cancel();
+	}
+
+TBool RWsTextCursor::IsStandardCursorActive()
+	{
+	return TCursorSprite::IsStandardCursorActive();
+	}
+
+TBool RWsTextCursor::IsFlashing() const
+	{
+	return !(iFlags&TTextCursor::EFlagNoFlash);
+	}
+
+void RWsTextCursor::ScheduleReDrawNow()
+	{
+	iGroupWin->Screen()->ScheduleAnimation(RectRelativeToScreen(), 0, 0, 0);
+	}
+
+
+// Cursor sprite handling
+
+TBool TCursorSprite::iHidden=ETrue;
+RWsTextCursor *TCursorSprite::iCurrentCursor=NULL;
+
+//
+
+// Hide / Reveal text cursors.
+void TCursorSprite::Hide()
+	{
+	if (!iHidden && iCurrentCursor)
+		{
+		iHidden=ETrue;
+		if (iCurrentCursor->iCustomTextCursor)
+			{
+			iCurrentCursor->iCustomTextCursor->Deactivate();
+			}
+		else
+			{
+			iCurrentCursor->ScheduleReDrawNow();
+			}
+		}
+	}
+	
+void TCursorSprite::Reveal()
+	{
+	if(iHidden && iCurrentCursor)
+		{
+		iHidden=EFalse;
+		if (iCurrentCursor->iCustomTextCursor)
+			{
+			iCurrentCursor->iCustomTextCursor->Activate();
+			}
+		else
+			{
+			iCurrentCursor->ScheduleReDrawNow();
+			}
+		}
+	}
+
+void TCursorSprite::SetFocus(RWsTextCursor* aFocus,CWsClientWindow* aWin/*=NULL*/)
+	{
+	if (iCurrentCursor!=aFocus)
+		{
+		Hide();
+		SetCurrentCursor(aFocus, aWin);
+		}
+	}
+
+void TCursorSprite::SetCurrentCursor(RWsTextCursor* aFocus, CWsClientWindow* aWin)
+	{
+	iCurrentCursor = aFocus;
+	if (aWin && iCurrentCursor && iCurrentCursor->iCustomTextCursor)
+		{
+		iCurrentCursor->iCustomTextCursor->SetWindow(aWin);
+		}
+	Reveal();
+	}
+
+TBool TCursorSprite::IsStandardCursorActive()
+	{
+	return iCurrentCursor && !iCurrentCursor->iCustomTextCursor && !iHidden;
+	}
+