--- /dev/null Thu Jan 01 00:00:00 1970 +0000
+++ b/textinput/peninputarc/src/peninputlayoutcontrol/peninputlayoutinsertionpoint.cpp Tue Feb 02 01:02:04 2010 +0200
@@ -0,0 +1,337 @@
+/*
+* Copyright (c) 2005-2005 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: Implementation for insertion point
+*
+*/
+
+
+
+#include "peninputlayoutinsertionpoint.h"
+#include "peninputlayouteditareabase.h"
+#include "peninputlayouttimer.h"
+
+// ============================ MEMBER FUNCTIONS =============================
+
+// ---------------------------------------------------------------------------
+// CInsertionPoint::CInsertionPoint
+// C++ default constructor can NOT contain any code, that might leave
+// ---------------------------------------------------------------------------
+//
+CInsertionPoint::CInsertionPoint(CFepUiBaseCtrl* aOwner,CFbsBitmapDevice* aBitmapDevice,
+ CBitmapContext* aGc,TInt aHeight)
+ :iPosition(0, 0),
+ iHeight(aHeight),
+ iIsOn(EFalse),
+ iIsVisible(EFalse),
+ iEditor(aOwner),
+ iBitmapDevice(aBitmapDevice),
+ iGc(aGc),
+ iCursorTempDisabled(EFalse)
+ {
+ }
+
+// ---------------------------------------------------------------------------
+// CInsertionPoint::ConstructL
+// Symbian 2nd phase constructor can leave.
+// ---------------------------------------------------------------------------
+//
+void CInsertionPoint::ConstructL()
+ {
+ iCursorBlinkingTimer = CPeriodic::NewL(CActive::EPriorityStandard);
+ iRestoreCursorTimer = CLayoutTimer::NewL(this,CLayoutTimer::EOthers);
+ }
+
+// ---------------------------------------------------------------------------
+// CInsertionPoint::NewL
+// Two-phased constructor.
+// ---------------------------------------------------------------------------
+//
+EXPORT_C CInsertionPoint* CInsertionPoint::NewL(CFepUiBaseCtrl* aOwner,CFbsBitmapDevice*
+ aBitmapDevice,CBitmapContext* aGc,TInt aHeight)
+ {
+ CInsertionPoint* self = new(ELeave) CInsertionPoint(aOwner,aBitmapDevice,aGc,aHeight);
+ CleanupStack::PushL(self);
+ self->ConstructL();
+ CleanupStack::Pop(self); // insertionPoint
+ return self;
+ }
+
+// ---------------------------------------------------------------------------
+// CInsertionPoint::~CInsertionPoint
+// Destructor
+// ---------------------------------------------------------------------------
+//
+CInsertionPoint::~CInsertionPoint()
+ {
+ if(iCursorBlinkingTimer)
+ {
+ iCursorBlinkingTimer->Cancel();
+ delete iCursorBlinkingTimer;
+ }
+
+ delete iRestoreCursorTimer;
+ }
+
+
+// ---------------------------------------------------------------------------
+// CInsertionPoint::SetPosition
+// Sets the position of the sprite if it has been turned on
+// (other items were commented in a header).
+// ---------------------------------------------------------------------------
+//
+EXPORT_C void CInsertionPoint::SetPosition(const TPoint& aPosition)
+ {
+
+ TBool isOn = iIsOn;
+ if (isOn)
+ {
+ SetOn(EFalse);
+ }
+ iPosition=aPosition;
+ TPoint correction(KCursorPosCorrectionX,KCursorPosCorrectionY );
+ iCursorRect = TRect(iPosition + correction , TSize(KCursorWidth,iHeight));
+
+ if (isOn)
+ {
+ SetOn(ETrue);
+ }
+ }
+
+// ---------------------------------------------------------------------------
+// CInsertionPoint::Position
+// get the cursor position
+// ---------------------------------------------------------------------------
+//
+TPoint CInsertionPoint::Position()
+ {
+ return iPosition;
+ }
+
+// ---------------------------------------------------------------------------
+// CInsertionPoint::SetLayoutOwner
+// Sets the layout owner
+// (other items were commented in a header).
+// ---------------------------------------------------------------------------
+//
+/*void CInsertionPoint::SetLayoutOwner(MLayoutOwner* aOwner)
+ {
+ iLayoutOwner = aOwner;
+ }
+*/
+
+// ---------------------------------------------------------------------------
+// CInsertionPoint::SetOn
+// Turns the sprite on and off
+// (other items were commented in a header).
+// ---------------------------------------------------------------------------
+//
+EXPORT_C void CInsertionPoint::SetOn(TBool aOn)
+ {
+ iIsOn = aOn;
+
+ if(iCursorTempDisabled)
+ return;
+ // If cursor will bee set off and timer is active, Cancel timer
+ if ( !iIsOn )
+ {
+ if ( iCursorBlinkingTimer->IsActive())
+ {
+ iCursorBlinkingTimer->Cancel();
+ }
+ }
+ else
+ {
+ // Activate blinking timer, if it is not already activated
+ if ( !iCursorBlinkingTimer->IsActive() )
+ {
+ iCursorBlinkingTimer->Start(0,
+ KCursorBlinkPerioid,TCallBack(CursorBlinkCallBack , this));
+ }
+ }
+
+ // Invalidate InsertionPoint's rect, so it will be removed from editarea
+ InvalidateInsertionPoint();
+ }
+
+// ---------------------------------------------------------------------------
+// CInsertionPoint::SetHeight
+// Sets caret height
+// (other items were commented in a header).
+// ---------------------------------------------------------------------------
+//
+EXPORT_C void CInsertionPoint::SetHeight(TInt aHeight)
+ {
+ if(aHeight > 0 && aHeight != iHeight )
+ {
+ TBool isOn = iIsOn;
+ if (isOn)
+ {
+ SetOn(EFalse);
+ }
+
+ iHeight = aHeight;
+ //change the cursor rect
+ TPoint correction(KCursorPosCorrectionX,KCursorPosCorrectionY );
+ iCursorRect = TRect(iPosition + correction ,
+ TSize(KCursorWidth,iHeight));
+ if (isOn)
+ {
+ SetOn(ETrue);
+ }
+ }
+
+ }
+
+// ---------------------------------------------------------------------------
+// CInsertionPoint::Draw
+// Draws insertion point's Rect and starts blinking timer
+// (other items were commented in a header).
+// ---------------------------------------------------------------------------
+//
+EXPORT_C void CInsertionPoint::Draw(CBitmapContext* aGc, TBool aReset)
+ {
+ if(!iEditor || !iEditor->AbleToDraw())
+ return;
+ if (aReset)
+ {
+ iIsVisible = EFalse;
+ }
+
+ if(iIsOn)
+ {
+ // draw cursor by inverting colors in the selected text rectancle
+ static_cast<CFbsBitGc*>(aGc)->Activate( iBitmapDevice );
+ aGc->SetClippingRegion(iEditor->ValidClipRegion());
+
+ aGc->SetBrushStyle(CGraphicsContext::ESolidBrush);
+ aGc->SetBrushColor(KRgbBlack);
+ aGc->SetDrawMode(CGraphicsContext::EDrawModeNOTSCREEN);
+
+ aGc->SetPenColor(KRgbBlack);
+ aGc->SetPenStyle(CGraphicsContext::ESolidPen);
+ aGc->SetPenSize( TSize(1,1));
+
+ aGc->DrawRect(iCursorRect);
+ iIsVisible = !iIsVisible;
+
+ // restore normal draw mode
+ aGc->SetDrawMode(CGraphicsContext::EDrawModePEN);
+ aGc->SetBrushStyle(CGraphicsContext::ENullBrush);
+
+ if (iEditor)
+ {
+ iEditor->UpdateArea(iCursorRect,EFalse);
+ }
+
+ // Activate blinking timer, if it is not already activated
+ if ( !iCursorBlinkingTimer->IsActive() )
+ {
+ iCursorBlinkingTimer->Start(KCursorBlinkPerioid, KCursorBlinkPerioid,
+ TCallBack(CursorBlinkCallBack , this));
+ }
+ }
+ else
+ {
+ if(iIsVisible) //only do when already shown
+ {
+ //CFbsBitmapDevice* bitmapDevice = iEditor->BitmapDevice();
+ static_cast<CFbsBitGc*>(aGc)->Activate(iBitmapDevice);
+ aGc->SetClippingRegion(iEditor->ValidClipRegion());
+ aGc->SetPenColor(KRgbBlack);
+ aGc->SetBrushStyle(CGraphicsContext::ESolidBrush);
+ aGc->SetBrushColor(KRgbBlack);
+ aGc->SetDrawMode(CGraphicsContext::EDrawModeNOTSCREEN);
+ aGc->SetPenStyle(CGraphicsContext::ESolidPen);
+ aGc->SetPenSize( TSize(1,1));
+ aGc->DrawRect(iCursorRect);
+
+ // restore normal draw mode
+ aGc->SetDrawMode(CGraphicsContext::EDrawModePEN);
+ aGc->SetBrushStyle(CGraphicsContext::ENullBrush);
+
+ iIsVisible = EFalse;
+
+ if (iEditor)
+ {
+ iEditor->UpdateArea(iCursorRect,EFalse);
+ }
+ }
+ }
+ aGc->CancelClippingRegion();
+ }
+
+// ---------------------------------------------------------------------------
+// CInsertionPoint::CursorBlinkCallBack
+// Invalidates cursor rect, when timer gets out.
+// With periodic caused draw/undraw of cursor will cause cursor blinking
+// (other items were commented in a header).
+// ---------------------------------------------------------------------------
+//
+TInt CInsertionPoint::CursorBlinkCallBack(TAny *aPtr)
+ {
+ CInsertionPoint* self = static_cast<CInsertionPoint*>(aPtr);
+
+ self->InvalidateInsertionPoint();
+
+ return(ETrue);
+ }
+
+// ---------------------------------------------------------------------------
+// CInsertionPoint::InvalidateCursor
+// Invalidates InsertionPoint's rect
+// (other items were commented in a header).
+// ---------------------------------------------------------------------------
+//
+void CInsertionPoint::InvalidateInsertionPoint()
+ {
+ if(iEditor)
+ {
+ Draw(iGc);
+ }
+ }
+
+// ---------------------------------------------------------------------------
+// CInsertionPoint::DelayCursorWhileDraging
+// Disable the cursor while pen is draging
+// (other items were commented in a header).
+// ---------------------------------------------------------------------------
+//
+EXPORT_C void CInsertionPoint::DelayCursorWhileDraging()
+ {
+ if(!iIsOn && !iCursorTempDisabled) // do nothing is cursor is off
+ return;
+
+ if(!iCursorTempDisabled)
+ {
+ SetOn(EFalse); // disable the cursor
+ iCursorTempDisabled = ETrue;
+ }
+ iRestoreCursorTimer->SetTimer(KCursorBlinkPerioid);
+ }
+
+// ---------------------------------------------------------------------------
+// CInsertionPoint::HandleTimerOut
+// Set the cursor on
+// (other items were commented in a header).
+// ---------------------------------------------------------------------------
+//
+void CInsertionPoint::HandleTimerOut(TInt /*aTimeType*/)
+ {
+ iCursorTempDisabled = EFalse;
+ iIsOn = ETrue;
+ //To avoid the ugly first shown, we draw the cursor directly here.
+ InvalidateInsertionPoint();
+ SetOn(ETrue);
+ }
+// End of File