gecko-dev/lib/mac/UserInterface/CSimpleTextView.cp
2004-04-25 16:36:22 +00:00

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/* -*- Mode: C++; tab-width: 4; indent-tabs-mode: nil; c-basic-offset: 2 -*-
*
* ***** BEGIN LICENSE BLOCK *****
* Version: MPL 1.1/GPL 2.0/LGPL 2.1
*
* The contents of this file are subject to the Mozilla Public License Version
* 1.1 (the "License"); you may not use this file except in compliance with
* the License. You may obtain a copy of the License at
* http://www.mozilla.org/MPL/
*
* Software distributed under the License is distributed on an "AS IS" basis,
* WITHOUT WARRANTY OF ANY KIND, either express or implied. See the License
* for the specific language governing rights and limitations under the
* License.
*
* The Original Code is mozilla.org code.
*
* The Initial Developer of the Original Code is
* Netscape Communications Corporation.
* Portions created by the Initial Developer are Copyright (C) 1998
* the Initial Developer. All Rights Reserved.
*
* Contributor(s):
*
* Alternatively, the contents of this file may be used under the terms of
* either the GNU General Public License Version 2 or later (the "GPL"), or
* the GNU Lesser General Public License Version 2.1 or later (the "LGPL"),
* in which case the provisions of the GPL or the LGPL are applicable instead
* of those above. If you wish to allow use of your version of this file only
* under the terms of either the GPL or the LGPL, and not to allow others to
* use your version of this file under the terms of the MPL, indicate your
* decision by deleting the provisions above and replace them with the notice
* and other provisions required by the GPL or the LGPL. If you do not delete
* the provisions above, a recipient may use your version of this file under
* the terms of any one of the MPL, the GPL or the LGPL.
*
* ***** END LICENSE BLOCK ***** */
#include "CWASTEEdit.h"
#include "CSimpleTextView.h"
//#include <LTextModel.h>
//#include <LTextSelection.h>
//#include <LTextEditHandler.h>
//#include <LTextElemAEOM.h>
//#include <VStyleSet.h>
//#include <VOTextModel.h>
#include <UCursor.h>
#include "CSpellChecker.h"
#include "resgui.h" // for emSignature
//#include "Textension.h"
//#pragma global_optimizer off //why???
Boolean CSimpleTextView::sInitialized = false;
Boolean CSimpleTextView::sHasTSM = false;
WETSMPreUpdateUPP CSimpleTextView::sPreUpdateUPP = NewWETSMPreUpdateProc( CSimpleTextView::TSMPreUpdate );
CSimpleTextView *CSimpleTextView::sTargetView = NULL;
// <20><><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>
// <20><><EFBFBD> Construction/Destruction
#pragma mark --- Construction/Destruction ---
CSimpleTextView::CSimpleTextView()
{
if ( !sInitialized )
Initialize();
Assert_( false ); // Must use parameters
mTabIntoFieldSelectsAll = true; //default behaviour
}
CSimpleTextView::CSimpleTextView( LStream *inStream )
: CWASTEEdit( inStream )
{
if ( !sInitialized )
Initialize();
mTabIntoFieldSelectsAll = true; //default behaviour
/*
mTextParms = NULL;
try
{
// This is the first run at a new text scheme.
// The streaming parameters will probably change
mTextParms = new SSimpleTextParms;
inStream->ReadData(&mTextParms->attributes, sizeof(Uint16));
inStream->ReadData(&mTextParms->wrappingMode, sizeof(Uint16));
inStream->ReadData(&mTextParms->traitsID, sizeof(ResIDT));
inStream->ReadData(&mTextParms->textID, sizeof(ResIDT));
inStream->ReadData(&mTextParms->pageWidth, sizeof(Int32));
inStream->ReadData(&mTextParms->pageHeight, sizeof(Int32));
inStream->ReadData(&mTextParms->margins, sizeof(Rect));
}
catch ( ... )
{
// this is either a streaming error or we couldn't get the memory for
// a text parm structure, in which case you're totally snookered.
delete mTextParms;
throw;
}
*/
}
CSimpleTextView::~CSimpleTextView()
{
}
// Wrap fix page size.
// turn word wrap off
// set image size
// Wrap to frame
void
CSimpleTextView::FinishCreateSelf( void )
{
// Assert_( mTextParms != NULL );
// Install a pre-update UPP so we can focus the view
// correctly before the TSM does it's magic.
if ( sHasTSM )
WESetInfo( weTSMPreUpdate, &sPreUpdateUPP, GetWEHandle() );
// Turn this feature off. In CWASTEEdit, unfortunately, it is always
// turned on.
WEFeatureFlag( weFOutlineHilite, weBitClear, GetWEHandle() );
/*
switch (mTextParms->wrappingMode)
{
case wrapMode_WrapToFrame:
mTextParms->attributes |= textAttr_WordWrap;
break;
case wrapMode_FixedPage:
Assert_(false); // not yet implemented
break;
case wrapMode_FixedPageWrap:
mTextParms->attributes &= ~textAttr_WordWrap;
ResizeImageTo(mTextParms->pageWidth, mTextParms->pageHeight, false);
break;
}
*/
Inherited::FinishCreateSelf();
}
/*
void CSimpleTextView::BuildTextObjects(LModelObject *inSuperModel)
{
Assert_(mTextParms != NULL);
VTextView::BuildTextObjects(inSuperModel);
StRecalculator change(mTextEngine);
mTextEngine->SetAttributes(mTextParms->attributes);
SetInitialTraits(mTextParms->traitsID);
if (mTextParms->textID != 0)
SetInitialText(mTextParms->textID);
mTextEngine->SetAttributes(mTextParms->attributes); // restore editable/selectable bits
if (!(mTextParms->attributes & textAttr_Selectable))
SetSelection(NULL);
mTextEngine->SetTextMargins(mTextParms->margins);
VOTextModel* theModel = dynamic_cast<VOTextModel*>(GetTextModel());
theModel->GetStyleManager().SetBehavior(setBehavior_Ignore);
delete mTextParms;
mTextParms = NULL;
}
*/
/*
void CSimpleTextView::NoteOverNewThing(LManipulator *inThing)
{
if (inThing)
{
switch(inThing->ItemType())
{
case kManipulator:
UCursor::Reset(); // ?
break;
case kSelection:
if (mEventHandler && ((LDataDragEventHandler *)mEventHandler)->GetStartsDataDrags())
{
CursHandle theCursH = ::GetCursor(131);
if (theCursH != nil)
::SetCursor(*theCursH);
break;
}
else
{
// fall through
}
case kSelectableItem:
UCursor::Tick(cu_IBeam); // ?
break;
}
}
else
{
UCursor::Reset();
}
}
*/
Boolean
CSimpleTextView::ObeyCommand( CommandT inCommand, void *ioParam )
{
Boolean cmdHandled = true;
switch (inCommand)
{
#ifdef MOZ_SPELLCHK
case cmd_CheckSpelling:
do_spellcheck(NULL, NULL, this);
return true;
break;
#endif // MOZ_SPELLCHK
// handle msg_TabSelect ourselves, because we don't want the CWASTEEdit
// select all behaviour
case msg_TabSelect:
if ( ! mTabIntoFieldSelectsAll )
{
// do nothing
break;
}
// else
// fallthrough for default behaviour
default:
cmdHandled = Inherited::ObeyCommand(inCommand, ioParam);
}
return cmdHandled;
}
void
CSimpleTextView::ClickSelf( const SMouseDownEvent &inMouseDown )
{
// Make sure the target is set or WASTE will do weird things
// when you drag from it if it's not the target. (especially
// if you are typing in a non-Roman script.
if ( !IsTarget() )
SwitchTarget( this );
Inherited::ClickSelf( inMouseDown );
}
void
CSimpleTextView::BeTarget()
{
OSErr result = noErr;
sTargetView = this;
if ( sHasTSM )
{
result = WEInstallTSMHandlers();
Assert_( result == noErr );
}
//Inherited::BeTarget();
// ugly copy and paste because I don't want to change CWASTEEdit
// but want to override its scroller activation behaviour
if (FocusDraw()) { // Show active selection
WEActivate( GetWEHandle() );
}
StartIdling();
ProtectSelection();
}
void
CSimpleTextView::DontBeTarget()
{
OSErr result = noErr;
sTargetView = NULL;
if ( sHasTSM )
{
result = WERemoveTSMHandlers();
Assert_( result == noErr );
}
// Inherited::DontBeTarget();
// ugly copy and paste because I don't want to change CWASTEEdit
// but want to override its scroller activation behaviour
if (FocusDraw()) { // Show inactive selection
WEDeactivate( GetWEHandle() );
}
StopIdling(); // Stop flashing the cursor
}
void CSimpleTextView::FindCommandStatus( CommandT inCommand,
Boolean &outEnabled,
Boolean &outUsesMark,
Char16 &outMark,
Str255 outName)
{
switch (inCommand)
{
#ifdef MOZ_SPELLCHK
case cmd_CheckSpelling:
outEnabled = true;
break;
#endif // MOZ_SPELLCHK
default:
Inherited::FindCommandStatus(inCommand, outEnabled,
outUsesMark, outMark, outName);
}
}
Boolean CSimpleTextView::HandleKeyPress( const EventRecord & inKeyEvent)
{
Boolean commandKeyDown = (inKeyEvent.modifiers & cmdKey) != 0;
Int16 theKey = inKeyEvent.message & charCodeMask;
if (commandKeyDown && ( theKey == char_Tab) )
{
// strip out the command key modifier so the tab group handles it
const_cast<EventRecord *>(& inKeyEvent)->modifiers &= ~cmdKey;
// send it up to the supercommander (the window) to handle
return LCommander::HandleKeyPress( inKeyEvent );
}
else
{
return Inherited::HandleKeyPress( inKeyEvent );
}
}
void CSimpleTextView::Save( const FSSpec &inFileSpec )
{
LFileStream *file = new LFileStream( inFileSpec );
if ( file != NULL )
{
file->CreateNewFile(emSignature, 'TEXT');
file->OpenDataFork(fsRdWrPerm);
// write the text data
Handle msgBody = GetTextHandle();
UInt32 textLength = GetTextLength();
StHandleLocker lock( msgBody );
file->WriteData( *msgBody, textLength );
// Close File
file->CloseDataFork();
}
}
pascal void CSimpleTextView::TSMPreUpdate( WEReference )
{
// AHHHH!!! Why didn't they allow us to pass in a context
// pointer? Now I have to maintain this stupid sTargetView item.
Assert_( sTargetView != NULL );
if ( sTargetView != NULL )
sTargetView->FocusDraw();
}
#pragma mark --- Initialization ---
void CSimpleTextView::SetInitialTraits(ResIDT inTextTraitsID)
{
TextTraitsRecord traits;
TextTraitsH traitsH = UTextTraits::LoadTextTraits(inTextTraitsID);
TextStyle theTextStyle;
if (traitsH)
traits = **traitsH;
else
UTextTraits::LoadSystemTraits(traits);
// LStyleSet* defaultStyle = mTextEngine->GetDefaultStyleSet();
// defaultStyle->SetTextTraits(traits);
theTextStyle.tsFont = traits.fontNumber;
theTextStyle.tsSize = traits.size;
theTextStyle.tsFace = traits.style;
theTextStyle.tsColor = traits.color;
SetStyle( weDoAll, &theTextStyle );
// SPoint32 theScrollUnit;
// theScrollUnit.v = defaultStyle->GetHeight();
// theScrollUnit.h = theScrollUnit.v;
// SetScrollUnit(theScrollUnit);
}
void CSimpleTextView::SetInitialText(ResIDT inTextID)
{
StResource textRsrc('TEXT', inTextID, false);
if (textRsrc.mResourceH != nil)
{
// mTextEngine->TextReplaceByHandle(LTextEngine::sTextAll, textRsrc.mResourceH);
// ((LTextSelection *)mSelection)->SetSelectionRange(LTextEngine::sTextStart);
UseText( textRsrc.mResourceH );
SetSelection( 0, 0 );
}
}
Boolean
CSimpleTextView::IsReadOnly()
{
Boolean bResult = false;
SInt16 flagStatus = 0;
flagStatus = FeatureFlag( weFReadOnly, weBitTest );
if ( flagStatus > 0 )
bResult = true;
return bResult;
}
void
CSimpleTextView::SetReadOnly( const Boolean inFlag )
{
if ( inFlag )
FeatureFlag( weFReadOnly, weBitSet );
else FeatureFlag( weFReadOnly, weBitClear );
}
void
CSimpleTextView::Initialize()
{
// Here we check for TSM presence.
OSErr result = noErr;
SInt32 gestaltResponse = 0;
Assert_( sInitialized == false );
if ( sInitialized == false )
{
sInitialized = true;
result = ::Gestalt( gestaltTSMgrVersion, &gestaltResponse );
if ( (result == noErr) && (gestaltResponse >= 1) )
{
result = ::Gestalt( gestaltTSMTEAttr, &gestaltResponse );
if ( (result == noErr) && ((gestaltResponse >> gestaltTSMTEPresent) & 1) )
{
sHasTSM = true;
}
}
}
}