TGLLockable Class Reference

Simple locking interface used by viewer and scene.

Definition at line 17 of file TGLLockable.h.

Classes
class	TUnlocker

Public Types
enum	ELock { kUnlocked, kDrawLock, kSelectLock, kModifyLock }

Public Member Functions
	TGLLockable ()
virtual	~TGLLockable ()
virtual const char *	LockIdStr () const
Bool_t	TakeLock (ELock lock) const
	Lock the object in mode 'lock'. More...
Bool_t	ReleaseLock (ELock lock) const
	Release current lock, make sure it the same as the 'lock' argument. More...
Bool_t	IsLocked () const
ELock	CurrentLock () const
Bool_t	IsDrawOrSelectLock () const

Static Public Member Functions
static const char *	LockName (ELock lock)
	Return name-string for given lock-type. More...
static Bool_t	LockValid (ELock lock)
	Test if lock is a valid type to take/release. More...

Protected Attributes
ELock	fLock

Private Member Functions
	TGLLockable (const TGLLockable &)
TGLLockable &	operator= (const TGLLockable &)

#include <TGLLockable.h>

Inheritance diagram for TGLLockable:

Member Enumeration Documentation

ELock

enum TGLLockable::ELock

Enumerator
kUnlocked
kDrawLock
kSelectLock
kModifyLock

Definition at line 20 of file TGLLockable.h.

Constructor & Destructor Documentation

TGLLockable() [1/2]

TGLLockable::TGLLockable ( const TGLLockable &  )

private

TGLLockable() [2/2]

TGLLockable::TGLLockable

(

)

Definition at line 22 of file TGLLockable.cxx.

Referenced by TGLLockable::TUnlocker::~TUnlocker().

~TGLLockable()

virtual TGLLockable::~TGLLockable ( )

inlinevirtual

Definition at line 54 of file TGLLockable.h.

Member Function Documentation

CurrentLock()

ELock TGLLockable::CurrentLock ( ) const

inline

Definition at line 61 of file TGLLockable.h.

Referenced by TGLScenePad::AddObject(), TGLScenePad::BuildingScene(), TGLViewer::DoDraw(), TGLViewer::DoOverlaySelect(), TGLViewer::DoSecondarySelect(), TGLViewer::DoSelect(), TGLEventHandler::HandleButton(), TGLEventHandler::HandleConfigureNotify(), TGLEventHandler::HandleDoubleClick(), TGLEventHandler::HandleExpose(), TGLEventHandler::HandleKey(), TGLEventHandler::HandleMotion(), TGLEventHandler::Repaint(), TGLViewer::SetCurrentCamera(), TGLViewer::SetupCameras(), TGLViewer::SwapBuffers(), and TGLLockable::TUnlocker::~TUnlocker().

IsDrawOrSelectLock()

Bool_t TGLLockable::IsDrawOrSelectLock ( ) const

inline

Definition at line 63 of file TGLLockable.h.

Referenced by TGLSceneBase::PreDraw(), and TGLViewer::SwapBuffers().

IsLocked()

Bool_t TGLLockable::IsLocked ( ) const

inline

Definition at line 60 of file TGLLockable.h.

Referenced by TGLEventHandler::HandleButton(), TGLEventHandler::HandleConfigureNotify(), TGLEventHandler::HandleDoubleClick(), TGLEventHandler::HandleExpose(), TGLEventHandler::HandleKey(), TGLEventHandler::HandleMotion(), TGLEventHandler::Repaint(), TGLViewer::SetCurrentCamera(), TGLViewer::SetupCameras(), and TGLLockable::TUnlocker::~TUnlocker().

LockIdStr()

virtual const char* TGLLockable::LockIdStr ( ) const

inlinevirtual

Reimplemented in TGLViewerBase, and TGLSceneBase.

Definition at line 56 of file TGLLockable.h.

Referenced by ReleaseLock(), and TakeLock().

LockName()

const char * TGLLockable::LockName ( ELock  lock )

static

Return name-string for given lock-type.

Definition at line 69 of file TGLLockable.cxx.

Referenced by TGLViewer::DoDraw(), TGLViewer::DoOverlaySelect(), TGLViewer::DoSecondarySelect(), TGLViewer::DoSelect(), TGLEventHandler::HandleButton(), TGLEventHandler::HandleConfigureNotify(), TGLEventHandler::HandleDoubleClick(), TGLEventHandler::HandleExpose(), TGLEventHandler::HandleKey(), TGLEventHandler::HandleMotion(), IsDrawOrSelectLock(), ReleaseLock(), TGLEventHandler::Repaint(), TGLViewer::SetCurrentCamera(), TGLViewer::SetupCameras(), TGLViewer::SwapBuffers(), and TakeLock().

LockValid()

Bool_t TGLLockable::LockValid ( ELock  lock )

static

Test if lock is a valid type to take/release.

kUnlocked is never valid in these cases.

Definition at line 85 of file TGLLockable.cxx.

Referenced by IsDrawOrSelectLock(), ReleaseLock(), and TakeLock().

operator=()

TGLLockable& TGLLockable::operator= ( const TGLLockable &  )

private

ReleaseLock()

Bool_t TGLLockable::ReleaseLock

(

ELock

lock

)

const

Release current lock, make sure it the same as the 'lock' argument.

Returns TRUE on success, FALSE on failure.

Definition at line 51 of file TGLLockable.cxx.

Referenced by TGLViewer::DoDraw(), TGLViewer::DoOverlaySelect(), TGLViewer::DoSecondarySelect(), TGLViewer::DoSelect(), TGLScene::EndUpdate(), LockIdStr(), TGLViewerBase::PostRender(), TGLViewerBase::PreRender(), TGLScene::~TGLScene(), and TGLLockable::TUnlocker::~TUnlocker().

TakeLock()

Bool_t TGLLockable::TakeLock

(

ELock

lock

)

const

Lock the object in mode 'lock'.

Return TRUE if successful, FALSE if the object is already locked.

Definition at line 32 of file TGLLockable.cxx.

Referenced by TGLScene::BeginUpdate(), TGLViewer::DoDraw(), TGLViewer::GetPictureUsingBB(), TGLViewer::GetPictureUsingFBO(), LockIdStr(), TGLViewerBase::PreRender(), TGLViewer::RequestDraw(), TGLViewer::RequestOverlaySelect(), TGLViewer::RequestSecondarySelect(), TGLViewer::RequestSelect(), TGLViewer::SavePictureUsingBB(), TGLViewer::SavePictureUsingFBO(), and TGLScene::~TGLScene().

Member Data Documentation

fLock

ELock TGLLockable::fLock

mutableprotected

Definition at line 32 of file TGLLockable.h.

Referenced by TGLScene::AdoptLogical(), TGLScene::AdoptPhysical(), CurrentLock(), TGLScene::DestroyLogical(), TGLScene::DestroyLogicals(), TGLScene::DestroyPhysical(), TGLScene::DestroyPhysicals(), ReleaseLock(), TakeLock(), TGLScene::UpdateLogical(), TGLScene::UpdatePhysical(), and TGLScene::UpdatePhysioLogical().

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The documentation for this class was generated from the following files:

• graf3d/gl/inc/TGLLockable.h
• graf3d/gl/src/TGLLockable.cxx