SYNOPSIS

Classes

class CustomCursor
The SoQtCursor::CustomCursor class is used to specify bitmap data for SoQtCursor custom cursors.

Public Types

enum Shape { CUSTOM_BITMAP = -1, DEFAULT = 0, BUSY, CROSSHAIR, UPARROW }

Public Member Functions

SoQtCursor (void)

SoQtCursor (const Shape shape)

SoQtCursor (const CustomCursor *cc)

SoQtCursor (const SoQtCursor &cursor)

~SoQtCursor ()

SoQtCursor & operator= (const SoQtCursor &c)

Shape getShape (void) const

void setShape (const Shape shape)

const CustomCursor & getCustomCursor (void) const

Static Public Member Functions

static void initClass (void)

static const SoQtCursor & getZoomCursor (void)

static const SoQtCursor & getPanCursor (void)

static const SoQtCursor & getRotateCursor (void)

static const SoQtCursor & getBlankCursor (void)

Detailed Description

The SoQtCursor class is used to set cursors for GUI components.

The class provides both a set of pre-defined cursor shapes, aswell as the option to use custom bitmap graphics.

Instances of this class is usually made for passing in to the SoQtComponent::setComponentCursor() and SoQtComponent::setWidgetCursor() methods.

Member Enumeration Documentation

enum SoQtCursor::Shape

For enumerating built-in shape types, that can be used without having to specify cursor graphics. These are mapped to pre-defined cursor shapes from the underlying toolkit.

Enumerator

CUSTOM_BITMAP

Cursor is specified with our own bitmap graphics. The bitmap data must be passed into the constructor.

DEFAULT

Using the native Window system's default cursor.

BUSY

A busy cursor.

CROSSHAIR

Two thin lines in a cross.

UPARROW

Thick, upward-pointing arrow.

Constructor & Destructor Documentation

SoQtCursor::SoQtCursor (void)

Default constructor. Creates a default cursor.

References DEFAULT.

SoQtCursor::SoQtCursor (const Shape shape)

Constructor with Shape argument, for setting up the cursor with a pre-defined shape from the underlying native toolkit.

References CUSTOM_BITMAP.

SoQtCursor::SoQtCursor (const CustomCursor * ccarg)

Constructs a new custom bitmap cursor from cc.

Note that only a shallow copy will be made of the CustomCursor bitmap and mask references, so don't deallocate the memory they use until the SoQtCursor has been destructed.

As for the format of the cursor bitmap data, see documentation of SoQtCursor::CustomCursor.

References CUSTOM_BITMAP.

SoQtCursor::SoQtCursor (const SoQtCursor & cursor)

Constructor.

SoQtCursor::~SoQtCursor ()

Destructor

Member Function Documentation

SoQtCursor & SoQtCursor::operator= (const SoQtCursor & c)

Equal operator.

SoQtCursor::Shape SoQtCursor::getShape (void) const

Returns the shape type.

If the cursor has been set by the application programmer to a bitmap cursor, SoQtCursor::CUSTOM_BITMAP is returned.

Referenced by SoQtComponent::setWidgetCursor().

void SoQtCursor::setShape (const Shape shapearg)

Sets the cursor to a predefined shape.

const SoQtCursor::CustomCursor & SoQtCursor::getCustomCursor (void) const

Returns a reference to the current custom bitmap cursor.

Do not call this method unless SoQtCursor::getShape() returns SoQtCursor::CUSTOM_BITMAP.

Referenced by SoQtComponent::setWidgetCursor().

const SoQtCursor & SoQtCursor::getZoomCursor (void) [static]

Returns a 'zoom' indicator cursor.

Referenced by SoQtExaminerViewer::setViewing().

const SoQtCursor & SoQtCursor::getPanCursor (void) [static]

Returns a cursor with 'pan' graphics (ie for translation in the camera normal plane).

Referenced by SoQtPlaneViewer::afterRealizeHook(), and SoQtExaminerViewer::setViewing().

const SoQtCursor & SoQtCursor::getRotateCursor (void) [static]

Returns a 'rotate' indicator cursor.

Referenced by SoQtPlaneViewer::afterRealizeHook(), and SoQtExaminerViewer::setViewing().

const SoQtCursor & SoQtCursor::getBlankCursor (void) [static]

Because all toolkits don't easily support setting up a blank cursor from pre-defined shapes or API functions, we also provide a simple completely transparent cursor.

Referenced by SoQtPlaneViewer::afterRealizeHook(), and SoQtExaminerViewer::setViewing().

Author

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