/*
    File:		TWindow.cp

    Version:	Mac OS X

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	Copyright © 2000-2005 Apple Computer, Inc., All Rights Reserved
*/

#include "TWindow.h"
#include "TNib.h"

// -----------------------------------------------------------------------------
//	constants
// -----------------------------------------------------------------------------
//

// Our base class for creating a Mac OS window which can be Carbon Event-savvy.

// -----------------------------------------------------------------------------
//	TWindow private constructor
// -----------------------------------------------------------------------------
//
TWindow::TWindow(
    int                 inAppSignature,
	CFStringRef			inName,
	CFStringRef			inNibName )
	: _appSignature(inAppSignature)
{
	fWindow = NULL;

	Init( inName, inNibName );
}

// -----------------------------------------------------------------------------
//	TWindow private constructor
// -----------------------------------------------------------------------------
//
TWindow::TWindow(
    int                 inAppSignature,
	WindowRef			inWindow )
	: _appSignature(inAppSignature)
{
	fWindow = NULL;
}

// -----------------------------------------------------------------------------
//	TWindow destructor
// -----------------------------------------------------------------------------
//
TWindow::~TWindow()
{
	if ( fWindow != NULL )
		DisposeWindow( fWindow );
}

// -----------------------------------------------------------------------------
//	Init (with WindowRef)
// -----------------------------------------------------------------------------
//
OSStatus
TWindow::Init(
	WindowRef			inWindow )
{
	OSStatus			err;
	static const
	EventTypeSpec		kEvents[] =
							{
								{ kEventClassWindow, kEventWindowClose },
								{ kEventClassWindow, kEventWindowActivated },
								{ kEventClassWindow, kEventWindowDeactivated },
								{ kEventClassWindow, kEventWindowDispose },
								{ kEventClassWindow, kEventWindowDrawContent },
								{ kEventClassWindow, kEventWindowBoundsChanged },
								{ kEventClassWindow, kEventWindowGetIdealSize },
								{ kEventClassWindow, kEventWindowGetMinimumSize },
								{ kEventClassWindow, kEventWindowGetMaximumSize },
								{ kEventClassCommand, kEventCommandProcess },
								{ kEventClassCommand, kEventCommandUpdateStatus },
							};
	TWindow*			tWindow;

	require_action( inWindow != NULL, InvalidWindow, err = paramErr );

	fWindow = inWindow;

	err = RegisterForEvents( GetEventTypeCount( kEvents ), kEvents );
	require_noerr( err, CantRegisterForEvents );
	
	tWindow = this;
	err = SetWindowProperty( inWindow, 'hifr', 'twin', sizeof( TWindow* ), &tWindow );

CantRegisterForEvents:
InvalidWindow:
	return err;
}

// -----------------------------------------------------------------------------
//	Init (from Nib)
// -----------------------------------------------------------------------------
//
OSStatus
TWindow::Init(
	CFStringRef			inWindowName,
	CFStringRef			inNibName )
{
	OSStatus			err;
	TNib				nib;
	WindowRef			window;

	err = nib.Init( inNibName );
	require_noerr( err, CantInitNib );

	err = nib.CreateWindow( inWindowName, &window );
	require_noerr( err, CantCreateWindow );

	err = Init( window );

CantCreateWindow:
CantInitNib:
	return err;
}

// -----------------------------------------------------------------------------
//	Init
// -----------------------------------------------------------------------------
//
OSStatus
TWindow::Init(
	WindowClass			inClass,
	WindowAttributes	inAttributes,
	const Rect&			inBounds )
{
	OSStatus			err;
	WindowRef			window;

	err = CreateNewWindow( inClass, inAttributes, &inBounds, &window );
	require_noerr( err, CantCreateWindow );

	err = Init( window );

CantCreateWindow:
	return err;
}

// -----------------------------------------------------------------------------
//	GetEventTarget
// -----------------------------------------------------------------------------
//
EventTargetRef
TWindow::GetEventTarget()
{
	return GetWindowEventTarget( GetWindowRef() );
}

// -----------------------------------------------------------------------------
//	SourceWindowDispose
// -----------------------------------------------------------------------------
//
void
TWindow::SourceWindowDispose()
{
	fWindow = NULL;
}

// -----------------------------------------------------------------------------
//	Close
// -----------------------------------------------------------------------------
//
void
TWindow::Close()
{
	Hide();
	//delete this;
}

// -----------------------------------------------------------------------------
//	GetPort
// -----------------------------------------------------------------------------
//
CGrafPtr
TWindow::GetPort() const
{
	return GetWindowPort( GetWindowRef() );
}

// -----------------------------------------------------------------------------
//	SetTitle
// -----------------------------------------------------------------------------
//
void
TWindow::SetTitle(
	CFStringRef			inTitle )
{
	SetWindowTitleWithCFString( GetWindowRef(), inTitle );
}

// -----------------------------------------------------------------------------
//	CopyTitle
// -----------------------------------------------------------------------------
//
CFStringRef
TWindow::CopyTitle() const
{
	CFStringRef			outTitle;

	CopyWindowTitleAsCFString( GetWindowRef(), &outTitle );

	return outTitle;
}

// -----------------------------------------------------------------------------
//	SetAlternateTitle
// -----------------------------------------------------------------------------
//
void
TWindow::SetAlternateTitle(
	CFStringRef			inTitle )
{
	SetWindowAlternateTitle( GetWindowRef(), inTitle );
}

// -----------------------------------------------------------------------------
//	CopyAlternateTitle
// -----------------------------------------------------------------------------
//
CFStringRef
TWindow::CopyAlternateTitle() const
{
	CFStringRef	outTitle;

	CopyWindowAlternateTitle( GetWindowRef(), &outTitle );

	return outTitle;
}

// -----------------------------------------------------------------------------
//	Show
// -----------------------------------------------------------------------------
//
void
TWindow::Show()
{
	ShowWindow( GetWindowRef() );

	if ( GetWindowRef() == ActiveNonFloatingWindow() )
	{
		WindowActivationScope		scope;

		GetWindowActivationScope( GetWindowRef(), &scope );
		if ( scope == kWindowActivationScopeAll )
			AdvanceKeyboardFocus( GetWindowRef() );
	}
}

// -----------------------------------------------------------------------------
//	Hide
// -----------------------------------------------------------------------------
//
void
TWindow::Hide()
{
	HideWindow( GetWindowRef() );
}

// -----------------------------------------------------------------------------
//	IsVisible
// -----------------------------------------------------------------------------
//
bool
TWindow::IsVisible() const
{
	return IsWindowVisible( GetWindowRef() );
}

// -----------------------------------------------------------------------------
//	Select
// -----------------------------------------------------------------------------
//
void
TWindow::Select()
{
	SelectWindow( GetWindowRef() );
}

// -----------------------------------------------------------------------------
//	Draw
// -----------------------------------------------------------------------------
//
void
TWindow::Draw()
{
}

// -----------------------------------------------------------------------------
//	Activated
// -----------------------------------------------------------------------------
//
void
TWindow::Activated()
{
}

// -----------------------------------------------------------------------------
//	Deactivated
// -----------------------------------------------------------------------------
//
void
TWindow::Deactivated()
{
}

// -----------------------------------------------------------------------------
//	Moved
// -----------------------------------------------------------------------------
//
void
TWindow::Moved()
{
}

// -----------------------------------------------------------------------------
//	Resized
// -----------------------------------------------------------------------------
//
void
TWindow::Resized()
{
}

// -----------------------------------------------------------------------------
//	GetIdealSize
// -----------------------------------------------------------------------------
//
Point
TWindow::GetIdealSize()
{
	Point idealSize = { 0, 0 };

	return idealSize;
}

// -----------------------------------------------------------------------------
//	GetMinimumSize
// -----------------------------------------------------------------------------
//
Point
TWindow::GetMinimumSize()
{
	Point minSize = { 0, 0 };

	return minSize;
}

// -----------------------------------------------------------------------------
//	GetMaximumSize
// -----------------------------------------------------------------------------
//
Point
TWindow::GetMaximumSize()
{
	Point maxSize = { 0, 0 };

	return maxSize;
}

// -----------------------------------------------------------------------------
//	SetBounds
// -----------------------------------------------------------------------------
//
void
TWindow::SetBounds(
	const Rect&			inBounds )
{
	SetWindowBounds( GetWindowRef(), kWindowStructureRgn, &inBounds );
}

// -----------------------------------------------------------------------------
//	InvalidateArea
// -----------------------------------------------------------------------------
//
void
TWindow::InvalidateArea(
	RgnHandle			inRegion )
{
	InvalWindowRgn( GetWindowRef(), inRegion );
}

// -----------------------------------------------------------------------------
//	InvalidateArea
// -----------------------------------------------------------------------------
//
void
TWindow::InvalidateArea(
	const Rect&			inRect )
{
	InvalWindowRect( GetWindowRef(), &inRect );
}

// -----------------------------------------------------------------------------
//	ValidateArea
// -----------------------------------------------------------------------------
//
void
TWindow::ValidateArea(
	RgnHandle			inRegion )
{
	ValidWindowRgn( GetWindowRef(), inRegion );
}

// -----------------------------------------------------------------------------
//	ValidateArea
// -----------------------------------------------------------------------------
//
void
TWindow::ValidateArea(
	const Rect&			inRect )
{
	ValidWindowRect( GetWindowRef(), &inRect );
}

// -----------------------------------------------------------------------------
//	UpdateCommandStatus
// -----------------------------------------------------------------------------
//
Boolean
TWindow::UpdateCommandStatus(
	const HICommandExtended&	inCommand )
{
	if ( inCommand.commandID == kHICommandClose )
	{
		EnableMenuCommand( NULL, inCommand.commandID );
		return true;
	}

	return false; // not handled
}

// -----------------------------------------------------------------------------
//	HandleCommand
// -----------------------------------------------------------------------------
//
Boolean
TWindow::HandleCommand(
	const HICommandExtended&		inCommand )
{
	return false; // not handled
}

// -----------------------------------------------------------------------------
//	SetDefaultButton
// -----------------------------------------------------------------------------
//
void
TWindow::SetDefaultButton(
	HIViewRef			inView )
{
	SetWindowDefaultButton( GetWindowRef(), inView );
}

// -----------------------------------------------------------------------------
//	SetCancelButton
// -----------------------------------------------------------------------------
//
void
TWindow::SetCancelButton(
	HIViewRef			inView )
{
	SetWindowCancelButton( GetWindowRef(), inView );
}

// -----------------------------------------------------------------------------
//	HandleEvent
// -----------------------------------------------------------------------------
//
OSStatus
TWindow::HandleEvent(
	EventHandlerCallRef		inRef,
	TCarbonEvent&			inEvent )
{
	OSStatus				result = eventNotHandledErr;
	UInt32					attributes;
	HICommandExtended		command;

	switch ( inEvent.GetClass() )
	{
		case kEventClassCommand:
			{
				inEvent.GetParameter( kEventParamDirectObject, &command );

				switch ( inEvent.GetKind() )
				{
					case kEventCommandProcess:
						if ( this->HandleCommand( command ) )
							result = noErr;
						break;

					case kEventCommandUpdateStatus:
						if ( this->UpdateCommandStatus( command ) )
							result = noErr;
						break;
				}
			}
			break;

		case kEventClassWindow:
			switch ( inEvent.GetKind() )
			{
				case kEventWindowActivated:
					CallNextEventHandler( inRef, inEvent.GetEventRef() );
					this->Activated();
					result = noErr;
					break;

				case kEventWindowBoundsChanged:
					if ( inEvent.GetParameter( kEventParamAttributes, &attributes ) )
					{
						if ( attributes & kWindowBoundsChangeSizeChanged )
						{
							this->Resized();
							result = noErr;
						}
						else if ( attributes & kWindowBoundsChangeOriginChanged )
						{
							this->Moved();
							result = noErr;
						}
					}
					break;

				case kEventWindowClose:
					this->Close();
					result = noErr;
					break;

				case kEventWindowDeactivated:
					CallNextEventHandler( inRef, inEvent.GetEventRef() );
					this->Deactivated();
					result = noErr;
					break;

				case kEventWindowDispose:
					CallNextEventHandler( inRef, inEvent.GetEventRef() );
					this->SourceWindowDispose();
					result = noErr;
					break;

				case kEventWindowDrawContent:
					CallNextEventHandler( inRef, inEvent.GetEventRef() );
					this->Draw();
					result = noErr;
					break;

				case kEventWindowGetIdealSize:
					{
						Point	size = this->GetIdealSize();

						if ( (size.h != 0) && (size.v != 0) )
						{
							inEvent.SetParameter( kEventParamDimensions, size );
							result = noErr;
						}
					}
					break;

				case kEventWindowGetMinimumSize:
					{
						Point	size = this->GetMinimumSize();

						if ( (size.h != 0) && (size.v != 0) )
						{
							inEvent.SetParameter( kEventParamDimensions, size );
							result = noErr;
						}
					}
					break;

				case kEventWindowGetMaximumSize:
					{
						Point	size = this->GetIdealSize();

						if ( (size.h != 0) && (size.v != 0) )
						{
							inEvent.SetParameter( kEventParamDimensions, size );
							result = noErr;
						}
					}
					break;
			}
	};

	return result;
}

// -----------------------------------------------------------------------------
//	GetView
// -----------------------------------------------------------------------------
//
HIViewRef
TWindow::GetView(
	ControlID				inID )
{
	HIViewRef				view;

	if ( GetControlByID( GetWindowRef(), &inID, &view ) != noErr )
		view = NULL;

	return view;
}

// -----------------------------------------------------------------------------
//	GetView
// -----------------------------------------------------------------------------
//
HIViewRef
TWindow::GetView(
	OSType					inSignature,
	SInt32					inID  )
{
	HIViewRef				view;
	ControlID				viewID = { inSignature, inID };

	view = GetView( viewID );

	return view;
}

// -----------------------------------------------------------------------------
//	EnableView
// -----------------------------------------------------------------------------
//
OSStatus
TWindow::EnableView(
	ControlID				inID )
{
	OSStatus				err = noErr;
	HIViewRef				view;

	view = GetView( inID );
	require_action( view != NULL, CantGetView, err = errUnknownControl );

	EnableControl( view );

CantGetView:
	return err;
}

// -----------------------------------------------------------------------------
//	EnableView
// -----------------------------------------------------------------------------
//
OSStatus
TWindow::EnableView(
	OSType					inSignature,
	SInt32					inID  )
{
	OSStatus				err;
	ControlID				viewID = { inSignature, inID };

	err = EnableView( viewID );

	return err;
}

// -----------------------------------------------------------------------------
//	DisableView
// -----------------------------------------------------------------------------
//
OSStatus
TWindow::DisableView(
	ControlID				inID )
{
	OSStatus				err = noErr;
	HIViewRef				view;

	view = GetView( inID );
	require_action( view != NULL, CantGetView, err = errUnknownControl );

	DisableControl( view );

CantGetView:
	return err;
}

// -----------------------------------------------------------------------------
//	DisableView
// -----------------------------------------------------------------------------
//
OSStatus
TWindow::DisableView(
	OSType					inSignature,
	SInt32					inID  )
{
	OSStatus				err;
	ControlID				viewID = { inSignature, inID };

	err = DisableView( viewID );

	return err;
}

// -----------------------------------------------------------------------------
//	ShowView
// -----------------------------------------------------------------------------
//
OSStatus
TWindow::ShowView(
	ControlID				inID )
{
	OSStatus				err = noErr;
	HIViewRef				view;

	view = GetView( inID );
	require_action( view != NULL, CantGetView, err = errUnknownControl );

	ShowControl( view );

CantGetView:
	return err;
}

// -----------------------------------------------------------------------------
//	ShowView
// -----------------------------------------------------------------------------
//
OSStatus
TWindow::ShowView(
	OSType					inSignature,
	SInt32					inID  )
{
	OSStatus				err;
	ControlID				viewID = { inSignature, inID };

	err = ShowView( viewID );

	return err;
}

// -----------------------------------------------------------------------------
//	HideView
// -----------------------------------------------------------------------------
//
OSStatus
TWindow::HideView(
	ControlID				inID )
{
	HIViewRef				view;
	OSStatus				err = noErr;

	view = GetView( inID );
	require_action( view != NULL, CantGetView, err = errUnknownControl );

	HideControl( view );

CantGetView:
	return err;
}

// -----------------------------------------------------------------------------
//	HideView
// -----------------------------------------------------------------------------
//
OSStatus
TWindow::HideView(
	OSType					inSignature,
	SInt32					inID  )
{
	OSStatus				err;
	ControlID				viewID = { inSignature, inID };

	err = HideView( viewID );

	return err;
}

// --------------------------------------------------------------------------------
//	GetTWindowFromWindowRef
// --------------------------------------------------------------------------------
//
TWindow*
TWindow::GetTWindowFromWindowRef(
	WindowRef				inWindowRef )
{
	TWindow*				tWindow = NULL;
	verify_noerr( GetWindowProperty( inWindowRef, 'hifr', 'twin', sizeof( TWindow* ), NULL, &tWindow ) );
	return tWindow;
}

OSStatus
TWindow::GetLabelControlString(const int inID, std::string& value)
{
    return GetControlString(inID, kControlStaticTextTextTag, value);
}

OSStatus
TWindow::SetLabelControlString(const int inID, const std::string& value)
{
    return SetControlString(inID, kControlStaticTextTextTag, value);
}

OSStatus
TWindow::GetTextControlString(const int inID, std::string& value)
{
    return GetControlString(inID, kControlEditTextTextTag, value);
}

OSStatus
TWindow::SetTextControlString(const int inID, const std::string& value)
{
    return SetControlString(inID, kControlEditTextTextTag, value);
}

OSStatus
TWindow::GetPasswordControlString(const int inID, std::string& value)
{
    OSStatus err = noErr;
	ControlID controlID = { _appSignature, inID };
	ControlRef control = NULL;
	CFStringRef result = NULL;
    char* pszValue = NULL;
	
	err = GetControlByID(GetWindowRef(), &controlID, &control);
	if (err == noErr)
	{
		   err = GetControlData(control,
		                        kControlEntireControl,
							    kControlEditTextPasswordCFStringTag,
							    sizeof(result),
							    &result,
							    NULL);
	       if (err == noErr)
		   {
	          CFIndex len = CFStringGetLength(result);
			  if (len > 0)
			  {
			     pszValue = new char[len+1];
		         if (CFStringGetCString(result, pszValue, len+1, kCFStringEncodingMacRoman))
				 {
				    value = pszValue;
					delete [] pszValue; pszValue = NULL;
				 }
			  }
		   }
	}
	
	if (result)
	{
	   CFRelease(result);
	}
	
	if (pszValue)
	{
	   delete [] pszValue;
	}
	
	return err;
}

OSStatus
TWindow::SetPasswordControlString(const int inID, const std::string& value)
{
    OSStatus err = noErr;
	ControlID controlID = { _appSignature, inID };
	ControlRef control = NULL;
	CFStringRef cfVal = NULL;
	
	err = GetControlByID(GetWindowRef(), &controlID, &control);
	if (err == noErr)
	{
	    cfVal = CFStringCreateWithCString(NULL, value.c_str(), kCFStringEncodingMacRoman);
		
		err = SetControlData(control,
							 kControlEntireControl,
							 kControlEditTextPasswordCFStringTag,
							 sizeof(cfVal),
							 &cfVal);
	}
	
	if (cfVal)
	{
	   CFRelease(cfVal);
	}
	
	return err;
}

OSStatus
TWindow::GetControlString(const int inID, ResType resourceType, std::string& value)
{
    OSStatus err = noErr;
	ControlID controlID = { _appSignature, inID };
	ControlRef control = NULL;
	char* pszBuf = NULL;

	err = GetControlByID(GetWindowRef(), &controlID, &control);
	if (err == noErr)
	{
		Size actualSize;
		
		err = GetControlDataSize(control,
								 kControlEntireControl,
								 resourceType,
								 &actualSize);
		if ((err == noErr) && actualSize > 0)
		{
		   pszBuf = new char[actualSize+1];
		   *pszBuf = '\0';
		
		   err = GetControlData(control,
		                        kControlEntireControl,
							    resourceType,
							    actualSize,
							    pszBuf,
							    &actualSize);
	       if (err == noErr)
		   {
		      *(pszBuf+actualSize) = '\0';
		      value = pszBuf;
		   }
	   }
	}
	
	if (pszBuf)
	{
		delete [] pszBuf;
	}
	
	return err;
}

OSStatus
TWindow::SetControlString(const int inID, ResType resourceType, const std::string& inValue)
{
    OSStatus err = noErr;
	ControlID controlID = { _appSignature, inID };
	ControlRef control = NULL;
	
	err = GetControlByID(GetWindowRef(), &controlID, &control);
	if (err == noErr)
	{
		err = SetControlData(control,
		                     kControlEntireControl,
							 resourceType,
							 inValue.length(),
							 inValue.length() ? inValue.c_str() : "");
	}
	
	return err;
}

OSStatus
TWindow::SetControlValue(const int inID, const SInt32 inValue)
{
    OSStatus err = noErr;
	ControlID controlID = { _appSignature, inID };
	ControlRef control = NULL;
	
	err = GetControlByID(GetWindowRef(), &controlID, &control);
	if (err == noErr)
	{
	   SetControl32BitValue(control, inValue);
	}
	
	return err;
}

OSStatus
TWindow::GetControlValue(const int inID, SInt32& outValue)
{
    OSStatus err = noErr;
	ControlID controlID = { _appSignature, inID };
	ControlRef control = NULL;
	
	err = GetControlByID(GetWindowRef(), &controlID, &control);
	if (err == noErr)
	{
	   outValue = GetControl32BitValue(control);
	}
	
	return err;
}

bool
TWindow::IsRadioButtonSet(const int inID)
{
	 SInt32 value = 0; 
	 return (noErr == GetControlValue(inID, value)) && (value != 0);
}

OSStatus
TWindow::EnableLocalControl(const int inID)
{
    OSStatus err = noErr;
	ControlID controlID = { _appSignature, inID };
	ControlRef control = NULL;
	
	err = GetControlByID(GetWindowRef(), &controlID, &control);
	if (err == noErr)
	{
	   err = EnableControl(control);
	}
	
	return err;
}

OSStatus
TWindow::DisableLocalControl(const int inID)
{
    OSStatus err = noErr;
	ControlID controlID = { _appSignature, inID };
	ControlRef control = NULL;
	
	err = GetControlByID(GetWindowRef(), &controlID, &control);
	if (err == noErr)
	{
	   err = DisableControl(control);
	}
	
	return err;
}

OSStatus
TWindow::PostApplicationEvent(const int cmdID)
{
    OSStatus err = noErr;
    EventRef event;
	
	err = CreateEvent(NULL, kEventClassCommand, kEventCommandProcess, GetCurrentEventTime(), 0, &event);
	if (err == noErr)
	{
	   HICommand command;
	
	   BlockZero(&command, sizeof(command));
	   command.commandID = cmdID;
		
	   SetEventParameter(event, kEventParamDirectObject, typeHICommand, sizeof(command), &command);

	   SendEventToEventTarget(event, GetApplicationEventTarget());
	   ReleaseEvent(event);
	}
	
	return err;
}

OSStatus
TWindow::PostWindowEvent(const int cmdID, WindowRef window)
{
	OSStatus err = noErr;
    EventRef event;
	
	err = CreateEvent(NULL, kEventClassCommand, kEventCommandProcess, GetCurrentEventTime(), kEventAttributeUserEvent, &event);
	if (err == noErr)
	{
		HICommand command;
	
	    BlockZero(&command, sizeof(command));
	    command.commandID = cmdID;
		
		SetEventParameter(event, kEventParamDirectObject, typeHICommand, sizeof(command), &command);
		
	    SendEventToEventTarget(event, GetWindowEventTarget(window));
	    ReleaseEvent(event);
	}
	
	return err;
}