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Object Look-and-Feel class. More...
#include <ilviews/gadgets/scrollb.h>
Public Member Functions | |
IlvScrollBarLFHandler (IlvLookFeelHandler *lfh) | |
Constructor. | |
virtual void | computeBBox (const IlvScrollBar *sb, IlvRect &arrow1, IlvRect &internal, IlvRect &arrow2, IlvRect &thumb, const IlvTransformer *t) const =0 |
Is called to compute the bounding boxes of the scroll bar parts. | |
virtual void | drawArrow (const IlvScrollBar *sb, IlvPosition position, IlvPort *dst, const IlvRect &arrow, const IlvRegion *clip) const =0 |
Is called to draw the arrows of a scroll bar. | |
virtual void | drawBackground (const IlvScrollBar *sb, IlvPort *dst, const IlvTransformer *t, const IlvRegion *clip) const =0 |
Is called to draw the background of a scroll bar. | |
virtual void | drawContents (const IlvScrollBar *sb, IlvPort *dst, const IlvTransformer *t, const IlvRegion *clip) const =0 |
Is called to draw the contents of a scroll bar. | |
virtual void | drawFrame (const IlvScrollBar *sb, IlvPort *dst, const IlvTransformer *t, const IlvRegion *clip) const =0 |
Is called to draw the frame of a scroll bar. | |
virtual void | drawInternal (const IlvScrollBar *sb, IlvPort *dst, const IlvRect &internal, const IlvRect &thumb, const IlvRegion *clip) const =0 |
Is called to draw the internal part of a scroll bar. | |
virtual IlBoolean | handleEvent (IlvScrollBar *sb, IlvEvent &event) const =0 |
Is called to handle the events of a scroll bar. | |
virtual IlBoolean | isValidPosition (const IlvScrollBar *sb, const IlvPoint &point, const IlvTransformer *t) const =0 |
Indicates whether a given position is valid for the scroll bar. |
Object Look-and-Feel class.
Library: ilvgadgt
The base class for the object look-and-feel handlers of the scroll bar.
IlvScrollBarLFHandler::IlvScrollBarLFHandler | ( | IlvLookFeelHandler * | lfh | ) |
Constructor.
Creates a new IlvScrollBarLFHandler
instance and initializes it with lfh.
lfh | The look-and-feel handler which this handler will be associated to. |
virtual void IlvScrollBarLFHandler::computeBBox | ( | const IlvScrollBar * | sb, | |
IlvRect & | arrow1, | |||
IlvRect & | internal, | |||
IlvRect & | arrow2, | |||
IlvRect & | thumb, | |||
const IlvTransformer * | t | |||
) | const [pure virtual] |
Is called to compute the bounding boxes of the scroll bar parts.
sb | The scroll bar. | |
arrow1 | The rectangle of the left/top arrow. | |
internal | The rectangle of the internal part. | |
arrow2 | The rectangle of the right/bottom arrow. | |
thumb | The rectangle of the thumb. | |
t | The transformer. |
Implemented in IlvScrollBarMLFHandler, IlvScrollBarVXLFHandler, IlvScrollBarW95LFHandler, and IlvScrollBarWLFHandler.
virtual void IlvScrollBarLFHandler::drawArrow | ( | const IlvScrollBar * | sb, | |
IlvPosition | position, | |||
IlvPort * | dst, | |||
const IlvRect & | arrow, | |||
const IlvRegion * | clip | |||
) | const [pure virtual] |
Is called to draw the arrows of a scroll bar.
sb | The scroll bar. | |
position | The orientation of the arrow. | |
dst | The destination port. | |
arrow | The bounding rectangle of the arrow. | |
clip | The clipping region. |
Implemented in IlvScrollBarMLFHandler, IlvScrollBarVXLFHandler, IlvScrollBarW95LFHandler, and IlvScrollBarWLFHandler.
virtual void IlvScrollBarLFHandler::drawBackground | ( | const IlvScrollBar * | sb, | |
IlvPort * | dst, | |||
const IlvTransformer * | t, | |||
const IlvRegion * | clip | |||
) | const [pure virtual] |
Is called to draw the background of a scroll bar.
sb | The scroll bar. | |
dst | The destination port. | |
t | The transformer. | |
clip | The clipping region. |
Implemented in IlvScrollBarMLFHandler, IlvScrollBarVXLFHandler, IlvScrollBarW95LFHandler, and IlvScrollBarWLFHandler.
virtual void IlvScrollBarLFHandler::drawContents | ( | const IlvScrollBar * | sb, | |
IlvPort * | dst, | |||
const IlvTransformer * | t, | |||
const IlvRegion * | clip | |||
) | const [pure virtual] |
Is called to draw the contents of a scroll bar.
sb | The scroll bar. | |
dst | The destination port. | |
t | The transformer. | |
clip | The clipping region. |
Implemented in IlvScrollBarMLFHandler, IlvDefaultScrollBarLFHandler, and IlvScrollBarWLFHandler.
virtual void IlvScrollBarLFHandler::drawFrame | ( | const IlvScrollBar * | sb, | |
IlvPort * | dst, | |||
const IlvTransformer * | t, | |||
const IlvRegion * | clip | |||
) | const [pure virtual] |
Is called to draw the frame of a scroll bar.
sb | The scroll bar. | |
dst | The destination port. | |
t | The transformer. | |
clip | The clipping region. |
Implemented in IlvScrollBarMLFHandler, IlvScrollBarVXLFHandler, IlvScrollBarW95LFHandler, and IlvScrollBarWLFHandler.
virtual void IlvScrollBarLFHandler::drawInternal | ( | const IlvScrollBar * | sb, | |
IlvPort * | dst, | |||
const IlvRect & | internal, | |||
const IlvRect & | thumb, | |||
const IlvRegion * | clip | |||
) | const [pure virtual] |
Is called to draw the internal part of a scroll bar.
sb | The scroll bar. | |
dst | The destination port. | |
internal | The bounding rectangle of the internal part. | |
thumb | The bounding rectangle of the thumb. This rectangle must be included into internal. | |
clip | The clipping region. |
Implemented in IlvScrollBarMLFHandler, IlvScrollBarVXLFHandler, IlvScrollBarW95LFHandler, and IlvScrollBarWLFHandler.
virtual IlBoolean IlvScrollBarLFHandler::handleEvent | ( | IlvScrollBar * | sb, | |
IlvEvent & | event | |||
) | const [pure virtual] |
Is called to handle the events of a scroll bar.
sb | The scroll bar. | |
event | The event to handle. |
IlTrue
if the event has been consumed. Implemented in IlvDefaultScrollBarLFHandler.
virtual IlBoolean IlvScrollBarLFHandler::isValidPosition | ( | const IlvScrollBar * | sb, | |
const IlvPoint & | point, | |||
const IlvTransformer * | t | |||
) | const [pure virtual] |
Indicates whether a given position is valid for the scroll bar.
sb | The scroll bar. | |
point | The position. | |
t | The transformer. |
Implemented in IlvScrollBarMLFHandler, IlvScrollBarVXLFHandler, IlvScrollBarW95LFHandler, and IlvScrollBarWLFHandler.
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