main/basic/source/app/appedit.cxx

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 * 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
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 * Unless required by applicable law or agreed to in writing,
 * software distributed under the License is distributed on an
 * "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
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// MARKER(update_precomp.py): autogen include statement, do not remove
#include "precompiled_basic.hxx"
#include <tools/config.hxx>
#include <svtools/ctrltool.hxx>
#include <svtools/textview.hxx>
#include <svtools/texteng.hxx>
#include <svl/undo.hxx>

#ifndef _BASIC_TTRESHLP_HXX
#include <basic/ttstrhlp.hxx>
#endif

#include "basic.hrc"
#include "appedit.hxx"
#include "brkpnts.hxx"

TYPEINIT1(AppEdit,AppWin);
AppEdit::AppEdit( BasicFrame* pParent )
: AppWin( pParent )
, pVScroll( NULL )
, pHScroll( NULL )
, nCurTextWidth(5)
{
	String aEmpty;
	// perhaps load the Untitled-String:

	pDataEdit = new TextEdit( this, WB_LEFT );
    LoadIniFile();
	// define Icon:
//	pIcon = new Icon( ResId( RID_WORKICON ) );
//	if( pIcon ) SetIcon( *pIcon );

	pDataEdit->SetText( aEmpty );

	pDataEdit->Show();

	pVScroll = new ScrollBar( this, WB_VSCROLL|WB_DRAG );
	pVScroll->Show();
	pVScroll->SetScrollHdl( LINK( this, AppEdit, Scroll ) );
	pHScroll = new ScrollBar( this, WB_HSCROLL|WB_DRAG );
	pHScroll->Show();
	pHScroll->SetScrollHdl( LINK( this, AppEdit, Scroll ) );

	InitScrollBars();
}

AppEdit::~AppEdit()
{
  DataEdit *pHold = pDataEdit;
  pDataEdit = NULL;
  delete pHold;
  delete pHScroll;
  delete pVScroll;
}

void AppEdit::LoadIniFile()
{
	TextView *pTextView = ((TextEdit*)pDataEdit)->aEdit.pTextView;
	sal_Bool bWasModified = pTextView->GetTextEngine()->IsModified();
	pTextView->GetTextEngine()->SetModified( sal_False );

    FontList aFontList( pFrame );   // Just some Window is needed
    Config aConf(Config::GetConfigName( Config::GetDefDirectory(), CUniString("testtool") ));
	aConf.SetGroup("Misc");
	String aFontName = String( aConf.ReadKey( "ScriptFontName", "Courier" ), RTL_TEXTENCODING_UTF8 );
	String aFontStyle = String( aConf.ReadKey( "ScriptFontStyle", "normal" ), RTL_TEXTENCODING_UTF8 );
	String aFontSize = String( aConf.ReadKey( "ScriptFontSize", "12" ), RTL_TEXTENCODING_UTF8 );
    Font aFont = aFontList.Get( aFontName, aFontStyle );
//    sal_uIntPtr nFontSize = aFontSize.GetValue( FUNIT_POINT );
    sal_uIntPtr nFontSize = aFontSize.ToInt32();
//    aFont.SetSize( Size( nFontSize, nFontSize ) );
    aFont.SetHeight( nFontSize );

#if OSL_DEBUG_LEVEL > 1
    {
	    Font aFont2( OutputDevice::GetDefaultFont( DEFAULTFONT_FIXED, Application::GetSettings().GetUILanguage(), 0, pFrame ));
    }
#endif
	aFont.SetTransparent( sal_False );
//    aFont.SetAlign( ALIGN_BOTTOM );
//    aFont.SetHeight( aFont.GetHeight()+2 );
	pDataEdit->SetFont( aFont );

	if ( ((TextEdit*)pDataEdit)->GetBreakpointWindow() )
    {
		((TextEdit*)pDataEdit)->GetBreakpointWindow()->SetFont( aFont );
		((TextEdit*)pDataEdit)->GetBreakpointWindow()->Invalidate();
    }

    pTextView->GetTextEngine()->SetModified( bWasModified );	// Perhaps reset the flag
}

void AppEdit::Command( const CommandEvent& rCEvt )
{
	switch( rCEvt.GetCommand() ) {
		case COMMAND_WHEEL:
			{
				HandleScrollCommand( rCEvt, pHScroll, pVScroll );
			}
			break;
		default:
			AppWin::Command( rCEvt );
	}
}


IMPL_LINK( AppEdit, Scroll, ScrollBar*, pScroll )
{
    (void) pScroll; /* avoid warning about unused parameter */ 
	if ( !pHScroll || !pVScroll )
		return 0;

	TextView *pTextView = ((TextEdit*)pDataEdit)->aEdit.pTextView;
	pTextView->SetStartDocPos( Point( pHScroll->GetThumbPos(), pVScroll->GetThumbPos() ) );
	pTextView->Invalidate();

	if ( ((TextEdit*)pDataEdit)->GetBreakpointWindow() )
		((TextEdit*)pDataEdit)->GetBreakpointWindow()->Scroll( 0, ((TextEdit*)pDataEdit)->GetBreakpointWindow()->GetCurYOffset() - pTextView->GetStartDocPos().Y() );

	return 0L;
}


void AppEdit::InitScrollBars()
{
	if ( !pHScroll || !pVScroll )
		return;

	TextView *pTextView = ((TextEdit*)pDataEdit)->aEdit.pTextView;

	SetScrollBarRanges();

	Size aOutSz( pTextView->GetWindow()->GetOutputSizePixel() );
	pVScroll->SetVisibleSize( aOutSz.Height() );
	pVScroll->SetPageSize( aOutSz.Height() * 8 / 10 );
	pVScroll->SetLineSize( GetTextHeight() +2 );	// +2 is empirical. don't know why
	pVScroll->SetThumbPos( pTextView->GetStartDocPos().Y() );
	pVScroll->Show();

	pHScroll->SetVisibleSize( aOutSz.Width() );
	pHScroll->SetPageSize( aOutSz.Width() * 8 / 10 );
	pHScroll->SetLineSize( GetTextWidth( CUniString("x") ) );
	pHScroll->SetThumbPos( pTextView->GetStartDocPos().X() );
	pHScroll->Show();
}

void AppEdit::SetScrollBarRanges()
{
  // Extra-Method, not InitScrollBars, but for EditEngine-Events.

  if ( !pHScroll || !pVScroll )
    return;

  pHScroll->SetRange( Range( 0, nCurTextWidth ) );
  pVScroll->SetRange( Range( 0, ((TextEdit*)pDataEdit)->aEdit.pTextEngine->GetTextHeight() ) );
}



sal_uInt16 AppEdit::GetLineNr()
{ 
  return pDataEdit->GetLineNr(); 
}

FileType AppEdit::GetFileType()
{
  return FT_BASIC_SOURCE;
}

// Set up the menu
long AppEdit::InitMenu( Menu* pMenu )
{
	AppWin::InitMenu (pMenu );
    
    if( pDataEdit )
    {
        size_t UndoCount = ((TextEdit*)pDataEdit)->aEdit.pTextEngine->GetUndoManager().GetUndoActionCount();
        size_t RedoCount = ((TextEdit*)pDataEdit)->aEdit.pTextEngine->GetUndoManager().GetRedoActionCount();
    
        pMenu->EnableItem( RID_EDITUNDO,	UndoCount > 0 );
        pMenu->EnableItem( RID_EDITREDO, 	RedoCount > 0 );
    }

	return sal_True;
}

long AppEdit::DeInitMenu( Menu* pMenu )
{
	AppWin::DeInitMenu (pMenu );

	pMenu->EnableItem( RID_EDITUNDO );
	pMenu->EnableItem( RID_EDITREDO );

	return sal_True;
}

void AppEdit::Resize()
{
	if( !pDataEdit )
		return;

	Point rHStart,rVStart;
	Size rHSize,rVSize;
	Size rNewSize( GetOutputSizePixel() );

	if ( pHScroll )
	{
		rHSize = pHScroll->GetSizePixel();
		sal_uIntPtr nHieght = rHSize.Height();
		rNewSize.Height() -= nHieght;
		rHStart.Y() = rNewSize.Height();
	}

	if ( pVScroll )
	{
		rVSize = pVScroll->GetSizePixel();
		sal_uIntPtr nWidth = rVSize.Width();
		rNewSize.Width() -= nWidth;
		rVStart.X() = rNewSize.Width();
	}

	rHSize.Width() = rNewSize.Width();
	rVSize.Height() = rNewSize.Height();

	if ( pHScroll )
	{
		pHScroll->SetPosPixel( rHStart );
		pHScroll->SetSizePixel( rHSize );
	}

	if ( pVScroll )
	{
		pVScroll->SetPosPixel( rVStart );
		pVScroll->SetSizePixel( rVSize );
	}
	pDataEdit->SetPosPixel( Point() );
	pDataEdit->SetSizePixel( rNewSize );


	TextView *pTextView = ((TextEdit*)pDataEdit)->aEdit.pTextView;
	long nVisY = pTextView->GetStartDocPos().Y();
	pTextView->ShowCursor();
	Size aOutSz( pTextView->GetWindow()->GetOutputSizePixel() );
	long nMaxVisAreaStart = pTextView->GetTextEngine()->GetTextHeight() - aOutSz.Height();
	if ( nMaxVisAreaStart < 0 )
		nMaxVisAreaStart = 0;
	if ( pTextView->GetStartDocPos().Y() > nMaxVisAreaStart )
	{
		Point aStartDocPos( pTextView->GetStartDocPos() );
		aStartDocPos.Y() = nMaxVisAreaStart;
		pTextView->SetStartDocPos( aStartDocPos );
		pTextView->ShowCursor();
//              pModulWindow->GetBreakPointWindow().GetCurYOffset() = aStartDocPos.Y();
	}
	InitScrollBars();
	if ( nVisY != pTextView->GetStartDocPos().Y() )
		pTextView->GetWindow()->Invalidate();

}

void AppEdit::PostLoad()
{
}

void AppEdit::PostSaveAs()
{
}

void AppEdit::Highlight( sal_uInt16 nLine, sal_uInt16 nCol1, sal_uInt16 nCol2 )
{
	((TextEdit*)pDataEdit)->Highlight( nLine, nCol1, nCol2 );
	ToTop();
}