notepad/notepad1/LibSrc/NpdEdwinBase.cpp
changeset 0 f979ecb2b13e
child 11 0f07cd1b5772
--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/notepad/notepad1/LibSrc/NpdEdwinBase.cpp	Tue Feb 02 10:12:19 2010 +0200
@@ -0,0 +1,360 @@
+/*
+* Copyright (c) 2002 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 of Notepad/Template Editor.
+*
+*/
+
+
+#include "NpdEdwinBase.h"
+
+#include <AknUtils.h>
+#include <txtglobl.h>
+#include <barsread.h>
+
+#include <AknsUtils.h>
+#include <AknsDrawUtils.h>
+#include <AknsBasicBackgroundControlContext.h>
+#include <AknsFrameBackgroundControlContext.h>
+#include <applayout.cdl.h>
+#include <eikdialg.h>
+#include <skinlayout.cdl.h>
+#include <aknlayoutscalable_apps.cdl.h>
+#include <aknappui.h>
+#include <NpdLib.rsg>
+
+#include "NpdEdwin.h"
+#include "NpdRichTextEditor.h"
+
+#include "NpdLibPanic.h"
+#include "NpdEdwinLines.h"
+
+
+// ============================ MEMBER FUNCTIONS ===============================
+
+// ---------------------------------------------------------
+// CNotepadEdwinBase::CNotepadEdwinBase()
+// Constructor
+// ---------------------------------------------------------
+//
+CNotepadEdwinBase::CNotepadEdwinBase()
+	{
+	iEdwinLines = NULL;
+	iBgContext = NULL;
+	iSkinContext = NULL;
+    iIsFirstTimeDrawEditor = ETrue;
+	}
+
+// ---------------------------------------------------------
+// CNotepadEdwinBase::~CNotepadEdwinBase()
+// Destructor
+// ---------------------------------------------------------
+//
+CNotepadEdwinBase::~CNotepadEdwinBase()
+	{
+	if(iBgContext)
+		{
+		delete iBgContext;
+		iBgContext = NULL;	
+		}
+	if(iSkinContext)
+		{
+		delete iSkinContext;	
+		}
+	}
+
+// ---------------------------------------------------------
+// CNotepadEdwinBase::Share(CEikEdwin* aEdwin, MNotepadEdwinExposer* aEdwinExposer)
+// Shares the edwin and its exposer
+// ---------------------------------------------------------
+//
+void CNotepadEdwinBase::Share(CEikEdwin* aEdwin, MNotepadEdwinExposer* aEdwinExposer)
+	{
+	iEdwin = aEdwin;
+	iEdwinExposer = aEdwinExposer;
+	}
+// -----------------------------------------------------------------------------
+// CNotepadEdwinBase::DoEditorLayoutL
+// Sets the layout of the Edwin and the scrollbar.
+// -----------------------------------------------------------------------------
+//
+void CNotepadEdwinBase::DoEditorLayoutL()
+	{
+    	if (!iBgContext)
+        	return;
+    	UpdateScrollLayout();
+    	iBackgroundRect = iParent->Rect();
+    	if(iEdwinLines != NULL)
+    		{
+    		AknLayoutUtils::LayoutControl( iEdwinLines, 
+        			iBackgroundRect, 0, 0, 0, 
+        			AknLayoutUtilsNoValue, 
+        			AknLayoutUtilsNoValue, 
+        			iBackgroundRect.Width(), 
+        			iBackgroundRect.Height() );
+	 	}
+	TAknLayoutRect mainNotesPane;
+	TAknLayoutRect lineLayout;
+	TRect tempMainPane;
+	AknLayoutUtils::LayoutMetricsRect(AknLayoutUtils::EMainPane,tempMainPane);
+	TRect mainPane(TPoint(0, 0), tempMainPane.Size());
+	mainNotesPane.LayoutRect(mainPane, AknLayoutScalable_Apps::main_notes_pane().LayoutLine());
+	lineLayout.LayoutRect(mainNotesPane.Rect(),AknLayoutScalable_Apps::list_notes_pane().LayoutLine());
+	TAknLayoutScalableParameterLimits textLimits =AknLayoutScalable_Apps::list_notes_text_pane_ParamLimits();
+	RArray<TAknTextComponentLayout> layouts;
+	for (TInt i = 0; i < textLimits.LastRow()+1 ; i++)
+    		{
+    		TAknWindowComponentLayout paneLayout = AknLayoutScalable_Apps::list_notes_text_pane(i);
+    		TAknTextComponentLayout textLayout = AknLayoutScalable_Apps::list_notes_text_pane_t1();
+    		TAknTextComponentLayout composedTextLayout = TAknWindowComponentLayout::ComposeText(paneLayout, textLayout);
+  		layouts.AppendL(composedTextLayout); 
+    		}    
+	TAknMultiLineTextLayout edwinLayout =
+	TAknTextComponentLayout::Multiline( layouts );              
+	AknLayoutUtils::LayoutEdwin(iEdwin, lineLayout.Rect(), edwinLayout, EAknsCIQsnTextColorsCG6);
+	layouts.Reset();
+
+    	// layout edwin overrides this value
+    	iEdwin->SetTextSkinColorIdL(EAknsCIQsnTextColorsCG34);
+
+    	// SetBackgroundColorL() contains modification to 
+    	// Edwin's CParaFormat which was created by 
+    	// AknLayoutUtils::LayoutEdwin(...), so iEditor->SetBackgroundColorL()
+    	// must be called after AknLayoutUtils::LayoutEdwin(...).
+    	//
+    	SetBackgroundColorL();
+	}
+
+// -----------------------------------------------------------------------------
+// CNotepadEdwinBase::InitNotepadEditorL
+// -----------------------------------------------------------------------------
+//
+void CNotepadEdwinBase::InitNotepadEditorL(
+    CEikDialog* aParent,
+    TBool aIsRichTextEditor, 
+    CNotepadEdwinLines* aEdwinLines)
+    {
+    iParent = aParent;
+    iBackgroundRect = iParent->Rect();
+    iEdwinLines = aEdwinLines;
+    iIsRichTextEditor = aIsRichTextEditor;
+    if (!iBgContext)
+    	{
+    	iBgContext = CAknsFrameBackgroundControlContext::NewL( KAknsIIDQsnFrNotepad, iBackgroundRect, iBackgroundRect, EFalse );
+    	}
+    if(!iSkinContext)
+    	{
+    	iSkinContext = CAknsBasicBackgroundControlContext::NewL(KAknsIIDQsnBgAreaMain,iBackgroundRect,EFalse);
+    	}
+    iBgContext->SetParentContext( iSkinContext );
+    DoEditorLayoutL();    
+
+    // EdwinEvent is used for dynamically changing Laf bitmap
+    //
+    iEdwin->AddEdwinObserverL(this);
+
+    iEdwin->SetAknEditorFlags(EAknEditorFlagUseSCTNumericCharmap
+                                | EAknEditorFlagEnablePictographInput
+                                | EAknEditorFlagAllowEntersWithScrollDown );
+
+    iEdwin->Text()->SetHasChanged(EFalse);
+    SetAmountToFormat(iEdwin->Text()->DocumentLength()); // ensure switch to band formatting 
+    iEdwinExposer->CallSetCanDrawOutsideRect(); // Redraw after Chinese FEP
+    }
+
+// ---------------------------------------------------------
+// CNotepadEdwinBase::SupplyMopObject(TTypeUid aId,TTypeUid::Ptr& ptr)
+// Gets an object whose type is encapsulated by 
+// the specified TTypeUid object.
+// ---------------------------------------------------------
+//
+TBool CNotepadEdwinBase::SupplyMopObject(TTypeUid aId,TTypeUid::Ptr& ptr)
+	{
+	if(aId.iUid == MAknsControlContext::ETypeId)
+		{
+		ptr =  MAknsControlContext::SupplyMopObject(aId, iSkinContext);
+		return ETrue;
+		}
+	return EFalse;
+	}
+
+// -----------------------------------------------------------------------------
+// CNotepadEdwinBase::HandleEdwinEventL
+// from MEikEdwinObserver
+// -----------------------------------------------------------------------------
+//
+void CNotepadEdwinBase::HandleEdwinEventL(
+    CEikEdwin* /*aEdwin*/,
+    TEdwinEvent aEventType )
+    {
+
+    iTextLength = iEdwin->TextLength();
+
+    if ( aEventType == EEventFormatChanged )
+        {
+        iEdwin->DrawNow();
+        }
+    if ( aEventType == EEventTextUpdate )
+        { 
+        iEdwin->TextView()->DocPosToXyPosL( iEdwin->CursorPos(), iPointAtCursor );
+        iLineNumByYCoordinate = iPointAtCursor.iY;
+
+        if ( !iIsFirstTimeDrawEditor )
+            {
+
+            if ( iTextLength < iPreTextLength &&  iLineNumByYCoordinate < iPreLineNumByYCoordinate )
+            	{
+                iEdwin->NotifyNewFormatL();
+                iEdwin->DrawDeferred();
+            	}
+            }
+        else
+            {
+            iIsFirstTimeDrawEditor = EFalse;
+            }
+        
+
+        iPreLineNumByYCoordinate = iLineNumByYCoordinate;
+        }
+
+     iPreTextLength = iTextLength;
+    }
+
+// -----------------------------------------------------------------------------
+// CNotepadEdwinBase::SetBackgroundColorL
+// -----------------------------------------------------------------------------
+//
+void CNotepadEdwinBase::SetBackgroundColorL()
+	{
+    	TAknLayoutRect insiderect;
+	TAknLayoutRect bgLayout;
+	TAknLayoutRect mainNotesPane;
+    TRect tempMainPane;
+    TBool hasChanged;
+    
+    hasChanged = iEdwin->Text()->HasChanged();
+    	AknLayoutUtils::LayoutMetricsRect(AknLayoutUtils::EMainPane,tempMainPane);
+	TRect mainPane(TPoint(0, 0), tempMainPane.Size());
+	mainNotesPane.LayoutRect(mainPane, AknLayoutScalable_Apps::main_notes_pane().LayoutLine());
+	bgLayout.LayoutRect(mainNotesPane.Rect(), AknLayoutScalable_Apps::bg_notes_pane().LayoutLine());
+	insiderect.LayoutRect(bgLayout.Rect(), AknLayoutScalable_Apps::notes_bg_pane_g1().LayoutLine());
+	TRgb bgcolor(insiderect.Color());
+	iEdwin->CEikEdwin::SetBackgroundColorL(bgcolor);
+    	iEdwinExposer->GetTextView().SetBackgroundColor(bgcolor);
+	iEdwin->CEikEdwin::SetSkinBackgroundControlContextL(iBgContext);
+	CGlobalText* text = STATIC_CAST(CGlobalText*, iEdwin->Text());
+    	CParaFormat* paraFormat = CParaFormat::NewLC();
+    	TParaFormatMask paraFormatMask;
+    	text->GetParaFormatL(paraFormat, paraFormatMask, 
+       		0, text->DocumentLength());
+    	paraFormat->iFillColor = bgcolor;
+    	paraFormatMask.SetAttrib(EAttFillColor);
+    	text->ApplyParaFormatL(paraFormat,paraFormatMask, 
+        	0, text->DocumentLength());
+    if ( !hasChanged )
+        {
+        iEdwin->Text()->SetHasChanged( EFalse );
+        }
+
+	if(iIsRichTextEditor)
+    		{
+    		(STATIC_CAST(CEikRichTextEditor*,iEdwin))->ApplyParaFormatL(paraFormat,paraFormatMask);
+    		}
+     	CleanupStack::PopAndDestroy(); // paraFormat
+	TResourceReader rr;
+        iEdwinExposer->GetCoeEnv().CreateResourceReaderLC(rr, R_NOTEPAD_CURSOR_COLOR);
+    	TRgb cursorColor(AKN_LAF_COLOR(rr.ReadInt16()));
+    	CleanupStack::PopAndDestroy(); // rr
+    	iEdwinExposer->GetTextView().SetCursorXorColor( TRgb( cursorColor.Value() ^ bgcolor.Value() ) );
+    	iEdwin->NotifyNewFormatL();
+	}
+
+// -----------------------------------------------------------------------------
+// CNotepadEdwinBase::HandleResourceChange
+// -----------------------------------------------------------------------------
+//
+void CNotepadEdwinBase::HandleResourceChange(TInt aType)
+    {
+    iEdwin->CEikEdwin::HandleResourceChange( aType );
+    switch(aType)
+    	{
+    	case KEikColorResourceChange:
+    	case KAknsMessageSkinChange:
+    		TInt ignore;	
+        	TRAP(ignore, SetBackgroundColorL());
+        	break;
+    	}
+    if( aType == KAknsMessageSkinChange )
+        {
+        UpdateScrollLayout();
+        }
+    }
+
+// -----------------------------------------------------------------------------
+// CNotepadEdwinBase::Draw
+// -----------------------------------------------------------------------------
+//
+void CNotepadEdwinBase::Draw(const TRect& aRect) const   
+	{
+    CWindowGc& gc = iEdwin->SystemGc();
+    TRect tempMainPane;
+    AknLayoutUtils::LayoutMetricsRect(AknLayoutUtils::EMainPane,tempMainPane);
+	TRect mainPane(TPoint(0, 0), tempMainPane.Size());
+    	if( iBgContext )
+		{
+    		TAknLayoutRect mainpaneSkinTl;
+    		TAknLayoutRect mainpaneSkinBr;
+    		mainpaneSkinTl.LayoutRect( mainPane, SkinLayout::Notepad_skin_element_placing_Line_2() );  // <CDL LAYOUT>
+    		mainpaneSkinBr.LayoutRect( mainPane, SkinLayout::Notepad_skin_element_placing_Line_5() );  // <CDL LAYOUT>
+    		TAknWindowLineLayout mainPaneSkinCenter = SkinLayout::Notepad_skin_element_placing_Line_1();  // <CDL LAYOUT>
+		TAknLayoutRect mainPaneLayout;
+		mainPaneLayout.LayoutRect(mainPane,mainPaneSkinCenter);
+    		TRect skinCenter( mainPaneLayout.Rect() );
+    		TRect viewRect;
+    		viewRect.iTl= mainpaneSkinTl.Rect().iTl;
+    		viewRect.iBr = mainpaneSkinBr.Rect().iBr;
+    	
+    		if(iSkinContext)
+    			{
+    			iSkinContext->SetRect(iParent->Rect());
+    			TRAP_IGNORE( iEdwin->CEikEdwin::SetSkinBackgroundControlContextL(iSkinContext) );
+        		AknsDrawUtils::Background( AknsUtils::SkinInstance(), iSkinContext, iEdwin, gc, mainPane);	
+    			}
+        	TRAP_IGNORE( iEdwin->CEikEdwin::SetSkinBackgroundControlContextL(iBgContext) );
+    		iBgContext->SetFrameRects( viewRect, mainPaneLayout.Rect() );
+    		AknsDrawUtils::Background( AknsUtils::SkinInstance(), iBgContext, iEdwin, gc, mainPane,KAknsDrawParamNoClearUnderImage);
+ 		}
+   	iEdwin->CEikEdwin::Draw(aRect);
+	}
+
+// ---------------------------------------------------------
+// CNotepadEdwinBase::UpdateScrollLayout()
+// Updates the scroll layout
+// ---------------------------------------------------------
+//
+void CNotepadEdwinBase::UpdateScrollLayout()
+	{
+	CEikScrollBarFrame* sbFrame = iEdwin->ScrollBarFrame();
+    	TInt type = sbFrame->TypeOfVScrollBar();
+	if( type == CEikScrollBarFrame::EDoubleSpan )
+        	{
+		TAknLayoutRect mainNotesPane;
+		TRect tempMainPane;
+        	AknLayoutUtils::LayoutMetricsRect(AknLayoutUtils::EMainPane,tempMainPane);
+		TRect mainPane(TPoint(0, 0), tempMainPane.Size());
+		TAknWindowLineLayout scrollPane = AknLayoutScalable_Apps::scroll_pane_cp06().LayoutLine();
+		mainNotesPane.LayoutRect(mainPane, AknLayoutScalable_Apps::main_notes_pane().LayoutLine());
+        	AknLayoutUtils::LayoutVerticalScrollBar(sbFrame, mainNotesPane.Rect(), scrollPane);
+        	}
+	}
+// End of File