PythonQtArgumentFrame Class Reference

Stores C++ arguments for a qt_metacall (which are created when converting data from Python to C++). More...

#include <PythonQtMisc.h>

Public Member Functions
void	reset ()
	Resets the pod and variant argument lists to empty lists.
QVariant *	nextVariantPtr ()
	Get next pointer to a variant.
quint64 *	nextPODPtr ()
	Get next pointer to a POD.
template<typename Class>
void *	establishPersistentPtr (void *alreadyAllocatedPtr, const Class &value)
template<typename Class, typename ViewClass>
void *	establishPersistentViewPtr (void *alreadyAllocatedPtr, const Class &value)

Static Public Member Functions
static PythonQtArgumentFrame *	newFrame ()
	Create a new (empty) frame (which is typically reused from a freelist).
static void	deleteFrame (PythonQtArgumentFrame *frame)
	Frees the frame (resetting it and putting it back to the freelist).
static void	cleanupFreeList ()
	Frees all PythonQtArgumentFrame frames that are stored.

Detailed Description

Stores C++ arguments for a qt_metacall (which are created when converting data from Python to C++).

Definition at line 104 of file PythonQtMisc.h.

Member Function Documentation

cleanupFreeList()

void PythonQtArgumentFrame::cleanupFreeList ( )

static

Frees all PythonQtArgumentFrame frames that are stored.

deleteFrame()

void PythonQtArgumentFrame::deleteFrame ( PythonQtArgumentFrame * frame )

static

Frees the frame (resetting it and putting it back to the freelist).

establishPersistentPtr()

template<typename Class>

void * PythonQtArgumentFrame::establishPersistentPtr ( void * alreadyAllocatedPtr, const Class & value )

inline

Definition at line 125 of file PythonQtMisc.h.

  {
    if (alreadyAllocatedPtr) {
      *reinterpret_cast<Class*>(alreadyAllocatedPtr) = value;
      return alreadyAllocatedPtr;
    } else {
      QVariant* item = nextVariantPtr();
      *item = QVariant(value);
      return const_cast<void*>(item->constData());
    }
  }

References nextVariantPtr().

establishPersistentViewPtr()

template<typename Class, typename ViewClass>

void * PythonQtArgumentFrame::establishPersistentViewPtr ( void * alreadyAllocatedPtr, const Class & value )

inline

Definition at line 138 of file PythonQtMisc.h.

  {
    QVariant* itemStore = nextVariantPtr();
    *itemStore = QVariant(value);
    if (alreadyAllocatedPtr) {
      *reinterpret_cast<ViewClass*>(alreadyAllocatedPtr) =
        ViewClass(*reinterpret_cast<const Class*>(itemStore->constData()));
      return alreadyAllocatedPtr;
    } else {
      QVariant* item = nextVariantPtr();
      *item = QVariant::fromValue(ViewClass(*reinterpret_cast<const Class*>(itemStore->constData())));
      return const_cast<void*>(item->constData());
    }
  }

References nextVariantPtr().

newFrame()

PythonQtArgumentFrame * PythonQtArgumentFrame::newFrame ( )

static

Create a new (empty) frame (which is typically reused from a freelist).

nextPODPtr()

quint64 * PythonQtArgumentFrame::nextPODPtr

(

)

Get next pointer to a POD.

nextVariantPtr()

QVariant * PythonQtArgumentFrame::nextVariantPtr

(

)

Get next pointer to a variant.

Referenced by establishPersistentPtr(), and establishPersistentViewPtr().

reset()

void PythonQtArgumentFrame::reset

(

)

Resets the pod and variant argument lists to empty lists.

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

• PythonQtMisc.h