150 #include "vtkCommonCoreModule.h"
152 #include "vtkSetGet.h"
156 VTK_ABI_NAMESPACE_BEGIN
157 class vtkSubjectHelper;
173 void*
operator new(
size_t tSize);
174 void operator delete(
void* p);
291 template <
class U,
class T>
293 unsigned long event, U observer,
void (T::*callback)(),
float priority = 0.0f)
295 vtkClassMemberCallback<T>* callable =
new vtkClassMemberCallback<T>(observer, callback);
298 return this->AddTemplatedObserver(event, callable,
priority);
300 template <
class U,
class T>
304 vtkClassMemberCallback<T>* callable =
new vtkClassMemberCallback<T>(observer, callback);
307 return this->AddTemplatedObserver(event, callable,
priority);
316 template <
class U,
class T>
320 vtkClassMemberCallback<T>* callable =
new vtkClassMemberCallback<T>(observer, callback);
323 return this->AddTemplatedObserver(event, callable,
priority);
394 class vtkClassMemberCallbackBase
401 virtual bool operator()(
vtkObject*,
unsigned long,
void*) = 0;
402 virtual ~vtkClassMemberCallbackBase() =
default;
412 class vtkClassMemberHandlerPointer
419 if ((this->VoidPointer =
dynamic_cast<T*
>(o)) ==
nullptr)
422 this->VoidPointer = o;
424 this->WeakPointer = o;
425 this->UseWeakPointer =
true;
427 void operator=(
void* o)
429 this->VoidPointer = o;
430 this->WeakPointer =
nullptr;
431 this->UseWeakPointer =
false;
435 if (this->UseWeakPointer && !this->WeakPointer.GetPointer())
439 return static_cast<T*
>(this->VoidPointer);
454 class vtkClassMemberCallback :
public vtkClassMemberCallbackBase
456 vtkClassMemberHandlerPointer<T> Handler;
457 void (T::*Method1)();
458 void (T::*Method2)(
vtkObject*,
unsigned long,
void*);
459 bool (T::*Method3)(
vtkObject*,
unsigned long,
void*);
462 vtkClassMemberCallback(T* handler,
void (T::*method)())
464 this->Handler = handler;
465 this->Method1 = method;
466 this->Method2 =
nullptr;
467 this->Method3 =
nullptr;
470 vtkClassMemberCallback(T* handler,
void (T::*method)(
vtkObject*,
unsigned long,
void*))
472 this->Handler = handler;
473 this->Method1 =
nullptr;
474 this->Method2 = method;
475 this->Method3 =
nullptr;
478 vtkClassMemberCallback(T* handler,
bool (T::*method)(
vtkObject*,
unsigned long,
void*))
480 this->Handler = handler;
481 this->Method1 =
nullptr;
482 this->Method2 =
nullptr;
483 this->Method3 = method;
485 ~vtkClassMemberCallback()
override =
default;
488 bool operator()(
vtkObject* caller,
unsigned long event,
void* calldata)
override
490 T* handler = this->Handler.GetPointer();
495 (handler->*this->Method1)();
497 else if (this->Method2)
499 (handler->*this->Method2)(caller, event, calldata);
501 else if (this->Method3)
503 return (handler->*this->Method3)(caller, event, calldata);
523 unsigned long AddTemplatedObserver(
524 unsigned long event, vtkClassMemberCallbackBase* callable,
float priority);
526 friend class vtkObjectCommandInternal;
530 VTK_ABI_NAMESPACE_END
superclass for callback/observer methods
a simple class to control print indentation
abstract base class for most VTK objects
virtual void ObjectFinalize()
void operator=(const vtkObjectBase &)
abstract base class for most VTK objects
vtkBaseTypeMacro(vtkObject, vtkObjectBase)
void InternalReleaseFocus()
These methods allow a command to exclusively grab all events.
vtkCommand * GetCommand(unsigned long tag)
Allow people to add/remove/invoke observers (callbacks) to any VTK object.
virtual void DebugOn()
Turn debugging output on.
vtkTypeBool HasObserver(unsigned long event)
void PrintSelf(ostream &os, vtkIndent indent) override
Methods invoked by print to print information about the object including superclasses.
void RemoveObservers(const char *event)
vtkSubjectHelper * SubjectHelper
std::string GetObjectDescription() const override
The object description printed in messages and PrintSelf output.
static void SetGlobalWarningDisplay(vtkTypeBool val)
This is a global flag that controls whether any debug, warning or error messages are displayed.
unsigned long AddObserver(unsigned long event, U observer, bool(T::*callback)(vtkObject *, unsigned long, void *), float priority=0.0f)
Allow user to set the AbortFlagOn() with the return value of the callback method.
vtkTypeBool HasObserver(const char *event, vtkCommand *)
Allow people to add/remove/invoke observers (callbacks) to any VTK object.
virtual void DebugOff()
Turn debugging output off.
unsigned long AddObserver(unsigned long event, U observer, void(T::*callback)(vtkObject *, unsigned long, void *), float priority=0.0f)
Overloads to AddObserver that allow developers to add class member functions as callbacks for events.
vtkTypeBool InvokeEvent(unsigned long event)
void InternalGrabFocus(vtkCommand *mouseEvents, vtkCommand *keypressEvents=nullptr)
These methods allow a command to exclusively grab all events.
static vtkObject * New()
Create an object with Debug turned off, modified time initialized to zero, and reference counting on.
void RemoveObserver(vtkCommand *)
Allow people to add/remove/invoke observers (callbacks) to any VTK object.
void RemoveObservers(unsigned long event, vtkCommand *)
Allow people to add/remove/invoke observers (callbacks) to any VTK object.
virtual std::string GetObjectName() const
Set/get the name of this object for reporting purposes.
void UnRegisterInternal(vtkObjectBase *, vtkTypeBool check) override
void RemoveAllObservers()
void RegisterInternal(vtkObjectBase *, vtkTypeBool check) override
vtkTypeBool InvokeEvent(const char *event)
static void GlobalWarningDisplayOff()
This is a global flag that controls whether any debug, warning or error messages are displayed.
virtual void Modified()
Update the modification time for this object.
vtkTypeBool HasObserver(unsigned long event, vtkCommand *)
Allow people to add/remove/invoke observers (callbacks) to any VTK object.
vtkTypeBool InvokeEvent(unsigned long event, void *callData)
This method invokes an event and return whether the event was aborted or not.
unsigned long AddObserver(unsigned long event, vtkCommand *, float priority=0.0f)
Allow people to add/remove/invoke observers (callbacks) to any VTK object.
void RemoveObservers(const char *event, vtkCommand *)
Allow people to add/remove/invoke observers (callbacks) to any VTK object.
unsigned long AddObserver(const char *event, vtkCommand *, float priority=0.0f)
Allow people to add/remove/invoke observers (callbacks) to any VTK object.
void SetDebug(bool debugFlag)
Set the value of the debug flag.
vtkTypeBool HasObserver(const char *event)
static void BreakOnError()
This method is called when vtkErrorMacro executes.
static void GlobalWarningDisplayOn()
This is a global flag that controls whether any debug, warning or error messages are displayed.
bool GetDebug()
Get the value of the debug flag.
virtual vtkMTimeType GetMTime()
Return this object's modified time.
void RemoveObservers(unsigned long event)
virtual void SetObjectName(const std::string &objectName)
Set/get the name of this object for reporting purposes.
void RemoveObserver(unsigned long tag)
static vtkTypeBool GetGlobalWarningDisplay()
This is a global flag that controls whether any debug, warning or error messages are displayed.
unsigned long AddObserver(unsigned long event, U observer, void(T::*callback)(), float priority=0.0f)
Overloads to AddObserver that allow developers to add class member functions as callbacks for events.
vtkTypeBool InvokeEvent(const char *event, void *callData)
This method invokes an event and return whether the event was aborted or not.
record modification and/or execution time
Non-templated superclass for vtkWeakPointer.
vtkTypeUInt32 vtkMTimeType