desktop.cpp

来自「这是VCF框架的代码」· C++ 代码 · 共 209 行

//Desktop.cpp

/*
Copyright 2000-2004 The VCF Project.
Please see License.txt in the top level directory
where you installed the VCF.
*/


//Desktop.h
#include "vcf/ApplicationKit/ApplicationKit.h"
#include "vcf/ApplicationKit/DesktopPeer.h"



using namespace VCF;

Desktop* Desktop::create()
{
	if ( NULL == Desktop::desktopInstance ) {
		Desktop::desktopInstance = new Desktop();
		Desktop::desktopInstance->init();
	}

	return Desktop::desktopInstance;
}

Desktop::Desktop()
{
	context_ = NULL;
	peer_ = NULL;
}

Desktop::~Desktop()
{
	/**may be NULL if the init function was never called,
	*which is theoretically possible if no one uses the Desktop object
	*Maybe the Toolkit should init the deskotp ?
	*/
	if ( NULL != context_ ) {
		context_->getPeer()->setContextID( 0 );
		delete context_;
	}
	context_ = NULL;

	delete peer_;
	peer_ = NULL;
}

void Desktop::init()
{
	if ( context_ == NULL ) {
		peer_ = UIToolkit::createDesktopPeer( this );
		if ( NULL == peer_ ) {
			throw InvalidPeer( MAKE_ERROR_MSG_2("UIToolkit returned a NULL DesktopPeer, UIToolkit::createDesktopPeer() is probably not implemented correctly") );
		}
		context_ = new GraphicsContext( peer_->desktopGetGraphicsContextHandleID() );
	}
}

void Desktop::beginPainting( Rect* clippingRect )
{
	peer_->desktopBeginPainting( clippingRect );
}

void Desktop::endPainting()
{
	peer_->desktopEndPainting();
}

bool Desktop::supportsVirtualDirectories()
{
	return peer_->desktopSupportsVirtualDirectories();
}


bool Desktop::hasFileSystemDirectory()
{
	return peer_->desktopHasFileSystemDirectory();
}

String Desktop::getDirectory()
{
	return peer_->desktopGetDirectory();
}

ulong32 Desktop::getWidth()
{
	return peer_->desktopGetWidth();
}

ulong32 Desktop::getHeight()
{
	return peer_->desktopGetHeight();
}

Rect Desktop::getUsableBounds()
{
	return peer_->desktopGetUsableBounds();
}

Point Desktop::getCurrentMousePosition()
{
	return peer_->getCurrentMousePosition();
}

/**
*CVS Log info
*$Log$
*Revision 1.3  2006/04/07 02:35:23  ddiego
*initial checkin of merge from 0.6.9 dev branch.
*
*Revision 1.2.6.1  2006/02/15 05:14:33  ddiego
*more browser code.
*
*Revision 1.2  2004/08/07 02:49:07  ddiego
*merged in the devmain-0-6-5 branch to stable
*
*Revision 1.1.2.2  2004/04/29 03:43:13  marcelloptr
*reformatting of source files: macros and csvlog and copyright sections
*
*Revision 1.1.2.1  2004/04/28 00:28:16  ddiego
*migration towards new directory structure
*
*Revision 1.16  2003/08/09 02:56:45  ddiego
*merge over from the devmain-0-6-1 branch
*Changes
*Features:
*-Added additional implementation to better support the MVC architecture in
*the VCF
*
*-Added a Document/View architecure that is similar to MFC's or NextSteps's
*Doc/View architectures
*
*-Integrated the Anti Grain Graphics library into the GraphicsKit. There is
*now basic support for it in terms of drawing vector shapes
*(fills and strokes). Image support will come in the next release
*
*-Added several documented graphics tutorials
*
*Bugfixes:
*
*[ 775744 ] wrong buttons on a dialog
*[ 585239 ] Painting weirdness in a modal dialog ?
*[ 585238 ] Modal dialog which makes a modal Dialog
*[ 509004 ] Opening a modal Dialog causes flicker
*[ 524878 ] onDropped not called for MLTcontrol
*
*Plus an issue with some focus and getting the right popup window to activate
*has also been fixed
*
*Revision 1.15.2.1  2003/07/24 04:10:44  ddiego
*added fixes for the following tasks:
*Task #82279 ApplicationKit: add static methods to singleton objects
*Task #82277 FoundationKit: add static methods to singleton objects
*this required a bunch of changes in terms of getting rid of older style code
*
*Revision 1.15  2003/05/17 20:37:48  ddiego
*this is the checkin for the 0.6.1 release - represents the merge over from
*the devmain-0-6-0 branch plus a few minor bug fixes
*
*Revision 1.14.2.3  2003/04/17 04:29:52  ddiego
*updated scintilla, added gtk support for the application kit, with stubs
*for the basic peers.
*
*Revision 1.14.2.2  2003/03/23 03:24:00  marcelloptr
*3 empty lines at the end of the files
*
*Revision 1.14.2.1  2003/03/12 03:13:11  ddiego
*switched all member variable that used the "m_"<name> prefix to
* <name>"_" suffix nameing standard.
*Also changed all vcf builder files to accomadate this.
*Changes were made to the Stream classes to NOT multiple inheritance and to
*be a little more correct. Changes include breaking the FileStream into two
*distinct classes, one for input and one for output.
*
*Revision 1.14  2003/02/26 04:30:56  ddiego
*merge of code in the devmain-0-5-9 branch into the current tree.
*most additions are in the area of the current linux port, but the major
*addition to this release is the addition of a Condition class (currently
*still under development) and the change over to using the Delegate class
*exclusively from the older event handler macros.
*
*Revision 1.13.14.2  2003/01/08 00:19:59  marcelloptr
*mispellings and newlines at the end of all source files
*
*Revision 1.13.14.1  2002/12/26 04:32:12  ddiego
*added basic peer implementation to ApplicationKit so that we can now create
*a VERY simple application and terminate correctly. Woohoo! First steps
*of running on linux!
*
*Revision 1.13  2002/05/09 03:10:45  ddiego
*merged over code from development branch devmain-0-5-1a into the main CVS trunk
*
*Revision 1.12.4.2  2002/04/27 15:52:47  ddiego
*Changed a bunch of files include and made it a bit faster and added better include
*guards in the common headers
*
*Revision 1.12.4.1  2002/04/08 20:55:31  zzack
*changed include style
*
*Revision 1.12  2002/01/24 01:46:50  ddiego
*added a cvs "log" comment to the top of all files in vcf/src and vcf/include
*to facilitate change tracking
*
*/