View class. More...
#include <ilviews/util/drview.h>
Public Member Functions | |
IlvDrawingView (IlvAbstractView *parent, const IlvRect &size, IlBoolean visible=IlTrue) | |
Constructor. More... | |
IlvDrawingView (IlvDisplay *display, const char *name, const char *title, const IlvRect &size, IlBoolean visible=IlTrue) | |
Constructor. More... | |
IlvDrawingView (IlvDisplay *display, const char *name, const char *title, const IlvRect &size, IlUInt properties, IlBoolean visible=IlTrue, IlvSystemView transientFor=0) | |
Constructor. More... | |
IlvDrawingView (IlvDisplay *display, IlvSystemView available) | |
Constructor. More... | |
IlvDrawingView (IlvDisplay *display, IlvSystemView parent, const IlvRect &size, IlBoolean visible=IlTrue) | |
Constructor. More... | |
virtual void | draw (const IlvRegion *clip=0) |
Draws the view contents. More... | |
virtual void | handleExpose (IlvEvent &event) |
Handles a newly exposed region. More... | |
virtual void | handleInput (IlvEvent &event) |
Handles an input event. More... | |
virtual void | reDraw (const IlvRegion *clip=0) |
Redraws the entire view. More... | |
Public Member Functions inherited from IlvView | |
IlvView (IlvAbstractView *parent, const IlvRect &size, IlBoolean visible=IlTrue) | |
Initializes a new view object that is a child of another view. More... | |
IlvView (IlvDisplay *display, const char *name, const char *title, const IlvRect &size, IlBoolean visible=IlTrue) | |
Initializes a new view object that is a new top window. More... | |
IlvView (IlvDisplay *display, const char *name, const char *title, const IlvRect &size, IlUInt properties, IlBoolean visible=IlTrue, IlvSystemView transientFor=0) | |
Initializes a new view object that is a new top window with specific top-window properties. More... | |
IlvView (IlvDisplay *display, IlvSystemView available) | |
Initializes a new view object by actually using an existing system view. More... | |
IlvView (IlvDisplay *display, IlvSystemView parent, const IlvRect &size, IlBoolean visible=IlTrue) | |
Initializes a new view that is a child of an existing system view. More... | |
void | addProperty (const IlSymbol *key, IlAny value) |
Adds a property to the view. More... | |
void | ensureInScreen (IlvPos xMargin=0, IlvPos yMargin=0) |
Ensures that the view remains visible. More... | |
const char * | getName () const |
Retrieves the name. More... | |
IlAny | getProperty (const IlSymbol *key) const |
Retrieves a property. More... | |
Shape * | getShape () const |
Returns the view shape. More... | |
virtual const char * | getStylableName () const |
Returns the name of this object. More... | |
const char * | getTitle () const |
Retrieves the title of this view. More... | |
IlBoolean | hasProperty (const IlSymbol *key) const |
Checks the existence of a property. More... | |
virtual void | hide () |
Hides the view. More... | |
void | iconBitmap (IlvBitmap *image, IlvBitmap *mask=0) |
Sets the icon aspect. More... | |
void | iconify () |
Requests this window to iconify itself. More... | |
virtual IlBoolean | isIconified () const |
Retrieves the iconified state. More... | |
IlBoolean | isModal () const |
Queries the modality of this view. More... | |
IlBoolean | isVisible () const |
Retrieves the visibility. More... | |
virtual void | move (const IlvPoint &point) |
Moves the view. More... | |
virtual void | moveResize (const IlvRect &rect) |
Moves and resizes the view. More... | |
void | moveToMouse (IlvDirection alignment=IlvCenter, IlvPos dx=0, IlvPos dy=0, IlBoolean ensureInScreen=IlTrue) |
Moves the view relative to the location of the mouse. More... | |
void | moveToScreen (IlvDirection alignment=IlvCenter, IlvPos dx=0, IlvPos dy=0, IlBoolean ensureInScreen=IlTrue) |
Moves the view relative to the root window. More... | |
void | moveToView (const IlvView *view, IlvDirection alignment=IlvCenter, IlvPos dx=0, IlvPos dy=0, IlBoolean ensureInScreen=IlTrue) |
Moves the view relative to another view. More... | |
virtual void | removeDeleteCallback (IlvDestroyCallback del=0, IlAny userArg=0) |
Removes a Delete callback. More... | |
virtual void | removeDestroyCallback (IlvDestroyCallback destroy=0, IlAny userArg=0) |
Removes a Destroy callback. More... | |
virtual void | removeExposeCallback (IlvExposeCallback expose=0, IlAny userArg=0) |
Removes an Expose callback. More... | |
virtual void | removeInputCallback (IlvInputCallback input=0, IlAny userArg=0) |
Removes an Input callback. More... | |
virtual void | removePostResizeCallback (IlvResizeCallback resize, IlAny userArg=0) |
Removes a post Resize callback. More... | |
IlBoolean | removeProperty (const IlSymbol *key) |
Removes a property. More... | |
virtual void | removeResizeCallback (IlvResizeCallback resize=0, IlAny userArg=0) |
Removes a Resize callback. More... | |
IlBoolean | replaceProperty (const IlSymbol *key, IlAny value) |
Replaces a property. More... | |
virtual void | resize (IlvDim w, IlvDim h) |
Resizes the view. More... | |
virtual void | setDeleteCallback (IlvDestroyCallback del, IlAny userArg=0) |
Sets a callback that watches for destruction. More... | |
virtual void | setDestroyCallback (IlvDestroyCallback destroy, IlAny userArg=0) |
Sets a callback for Destroy events. More... | |
virtual void | setExposeCallback (IlvExposeCallback expose, IlAny userArg=0) |
Sets a callback for Expose events. More... | |
void | setIconTitle (const char *title) |
Sets the iconified title of this view. More... | |
virtual void | setInputCallback (IlvInputCallback input, IlAny userArg=0) |
Sets a callback for Input events. More... | |
void | setMaximumSize (IlvDim w, IlvDim h) |
Sets the maximum size of this view. More... | |
void | setMinimumSize (IlvDim w, IlvDim h) |
Sets the minimum size of this view. More... | |
virtual void | setName (const char *name) |
Sets the name. More... | |
virtual void | setPostResizeCallback (IlvResizeCallback resize, IlAny userArg=0) |
Sets a callback for Resize events. More... | |
void | setProperty (const IlSymbol *key, IlAny value) |
Sets or removes a property. More... | |
virtual void | setResizeCallback (IlvResizeCallback resize, IlAny userArg=0) |
Sets a callback for Resize events. More... | |
IlBoolean | setShape (Shape *newShape) |
Sets a shape on the view. More... | |
virtual void | setTitle (const char *title) |
Sets the title of the view. More... | |
virtual void | show () |
Shows the view. More... | |
virtual IlBoolean | showModal (IlBoolean doesGrab=IlFalse, IlvCursor *cursor=0) |
Shows the window in a modal mode. More... | |
Public Member Functions inherited from IlvAbstractView | |
virtual void | boundingBox (IlvRect &bbox) const |
Retrieves the relative dimensions of the view. More... | |
IlBoolean | enableMultitouch (IlBoolean enable) |
Allows the view to receive multi-touch events. More... | |
void | ensureVisible (const IlvPoint &point) |
Ensures that a point remains visible. More... | |
void | ensureVisible (const IlvRect &rect) |
Ensures that a rectangle remains visible. More... | |
virtual void | erase (const IlvRect &rect, IlBoolean reDraw=IlFalse) |
Erases an area of this view. More... | |
virtual void | erase (IlBoolean reDraw=IlFalse) |
Entirely erases the view. More... | |
virtual void | frameBBox (IlvRect &bbox) const |
Retrieves the dimension of the view frame. More... | |
IlvColor * | getBackground () const |
Retrieves the background color of this view. More... | |
IlvBitmap * | getBackgroundBitmap () const |
Gets the background bitmap of this view. More... | |
IlBoolean | getCompressButtonDragged () const |
Indicates if IlvButtonDragged compression is enabled or not. More... | |
IlBoolean | getCompressPointerMoved () const |
Indicates if IlvPointerMoved compression is enabled or not. More... | |
IlvCursor * | getCursor () const |
Retrieves the cursor currently set on this view. More... | |
IlvIntensity | getOpacity () const |
Returns the opacity level of the view. More... | |
virtual void | getOuterStylableSize (IlvDim &, IlvDim &) const |
Returns the size of the outer stylable if any. More... | |
IlvAbstractView * | getParent () const |
Gets the parent of this view. More... | |
IlvSystemView | getShellSystemView () const |
Gets the system-dependent identifier of the top shell of this view. More... | |
virtual const char * | getStylableClassName () const |
Returns the class name of this object. More... | |
virtual IlvDisplay * | getStylableDisplay () const |
Returns the display for this object. More... | |
virtual void | getStylableSize (IlvDim &, IlvDim &) const |
Returns the size of this object. More... | |
virtual IlvStylist * | getStylist () const |
Returns the stylist for this object. More... | |
IlvSystemView | getSystemView () const |
Gets the system-dependent identifier of this view. More... | |
void | getTransparentColorKey (IlvIntensity &r, IlvIntensity &g, IlvIntensity &b) const |
Returns the color used as a key for transparency. More... | |
virtual void | globalBBox (IlvRect &bbox) const |
Retrieves the absolute dimensions of the view. More... | |
IlBoolean | hasGrab () const |
Queries if this view has the display grab. More... | |
IlBoolean | isLayered () const |
Returns whether the view is layered or not. More... | |
IlBoolean | isMultitouchEnabled () |
Queries if the view is set to receive multi-touch events. More... | |
virtual IlBoolean | isScrolled () const |
Indicates if the view is a scrolling window subview. More... | |
IlBoolean | isSensitive () const |
Retrieves the sensitivity of this view to input events. More... | |
virtual void | lower () |
Pushes this view below the others. More... | |
virtual void | position (IlvPoint &position) const |
Retrieves the position of the view. More... | |
virtual void | raise () |
Brings this view on top. More... | |
void | removeWindowProc (IlvWindowProc windowProc, IlAny procArgument=0) |
Removes a user-defined window procedure. More... | |
virtual void | setBackground (IlvColor *c) |
Sets the background color of this view. More... | |
virtual void | setBackgroundBitmap (IlvBitmap *b) |
Sets the background bitmap of this view. More... | |
virtual void | setCompressButtonDragged (IlBoolean val) |
Enables or disables IlvButtonDragged event compression. More... | |
virtual void | setCompressPointerMoved (IlBoolean val) |
Enables or disables IlvPointerMoved event compression. More... | |
void | setCursor (IlvCursor *cursor) |
Sets the cursor for this view. More... | |
IlBoolean | setFocus () |
Sets the input focus to this view. More... | |
void | setLayered (IlBoolean layered) |
Sets whether the window is layered or not. More... | |
void | setOpacity (IlvIntensity level) |
Sets the opacity value of the view. More... | |
void | setSensitive (IlBoolean sensitivity) |
Sets the sensitivity of this view to input events. More... | |
IlBoolean | setShapeMask (const IlvBitmap *mask, IlBoolean addTitle=IlFalse) |
Sets a non-rectangular shape on the view according to a bitmap mask. More... | |
void | setTransparentColorKey (IlvIntensity r, IlvIntensity g, IlvIntensity b) |
Sets the transparency color key value. More... | |
void | setWindowProc (IlvWindowProc windowProc, IlAny procArgument=0) |
Sets a Windows window procedure. More... | |
virtual void | sizeVisible (IlvRect &rect) const |
Retrieves the visible part of the view. More... | |
Public Member Functions inherited from IlvSystemPort | |
IlvSystemPort (IlvDisplay *display, IlvWindowsHandle HDC, IlvDim width=0, IlvDim height=0) | |
Windows-specific constructor. More... | |
virtual IlBoolean | applyValue (const IlvValue &) |
Apply an accessor. More... | |
virtual void | clearArea (const IlvRect &, IlBoolean=IlFalse) const |
Clears a rectangular area of the screen. More... | |
virtual void | clearArea (const IlvRegion &, IlBoolean=IlFalse) const |
Clears a region of the screen. More... | |
virtual void | clip (const IlvRect *) const |
Limits the drawing to the given rectangular area. More... | |
virtual void | clip (const IlvRegion *) const |
Limits the drawing to the given region. More... | |
virtual IlUShort | depth () const |
Gives the depth of the port. More... | |
virtual void | drawArc (const IlvPalette *, const IlvRect &, IlFloat, IlFloat) const |
Draws an arc. More... | |
virtual void | drawBitmap (const IlvPalette *, const IlvBitmap *, const IlvRect &, const IlvRegion *=0, IlvPosition=IlvCenter, IlBoolean=IlFalse) const |
Draws an image. More... | |
virtual void | drawBitmap (const IlvPalette *, const IlvSystemPort *, const IlvRect &, const IlvPoint &) const |
Draws an image. More... | |
virtual void | drawIString (const IlvPalette *, const IlvPoint &, const char *, int, IlvPosition=IlvLeft) const |
Draws a string at the given position. More... | |
virtual void | drawLine (const IlvPalette *, const IlvPoint &, const IlvPoint &) const |
Draws a line between 2 points. More... | |
virtual void | drawPoint (const IlvPalette *, const IlvPoint &) const |
Draws a point at the given position. More... | |
virtual void | drawPoints (const IlvPalette *, IlUInt, const IlvPoint *) const |
Draws a series of points. More... | |
virtual void | drawPolyLine (const IlvPalette *, const IlvPoint &, IlUInt, const IlvDeltaPoint *) const |
Draws a series of connected lines relatively to a reference. More... | |
virtual void | drawPolyLine (const IlvPalette *, IlUInt, const IlvPoint *) const |
Draws a series of connected lines. More... | |
virtual void | drawRectangle (const IlvPalette *, const IlvRect &) const |
Draws the given rectangle. More... | |
virtual void | drawRoundRectangle (const IlvPalette *, const IlvRect &, IlUShort) const |
Draws a round rectangle. More... | |
virtual void | drawSegments (const IlvPalette *, IlUInt, const IlvPoint *, const IlvPoint *) const |
Draws a set of segments. More... | |
virtual void | drawString (const IlvPalette *, const IlvPoint &, const char *, int, IlvPosition=IlvLeft) const |
Draws a string at the given position. More... | |
virtual void | drawTransformedString (const IlvPalette *, const char *, int, const IlvTransformer &, const IlvRegion *=0) const |
Draws a transformed string. More... | |
virtual void | drawTransparentBitmap (const IlvPalette *, const IlvSystemPort *, const IlvRect &, const IlvPoint &) const |
Draws a transparent bitmap. More... | |
virtual void | end () |
Closed the dump device. More... | |
virtual void | fillArc (const IlvPalette *, const IlvRect &, IlFloat, IlFloat) const |
Fills the arc. More... | |
virtual void | fillPaths (const IlvPalette *, IlUInt, const IlvPointArray *) const |
Fills the shape defined by the given paths. More... | |
virtual void | fillPolyLine (const IlvPalette *, const IlvPoint &, IlUInt, const IlvDeltaPoint *, IlBoolean=IlFalse) const |
Fills a polygon. More... | |
virtual void | fillPolyLine (const IlvPalette *, IlUInt, const IlvPoint *, IlBoolean=IlFalse) const |
Fills a polygon. More... | |
virtual void | fillRectangle (const IlvPalette *, const IlvRect &) const |
Fills the given rectangle. More... | |
virtual void | fillRoundRectangle (const IlvPalette *, const IlvRect &, IlUShort) const |
Fills a round rectangle. More... | |
IlvWindowsHandle | getDC () const |
Gets the Windows Handle Device Context. More... | |
virtual IlBoolean | initDevice (const char *, IlvRect *=0) |
Initializes the dump device. More... | |
virtual IlBoolean | isABitmap () const |
Indicates that this port is a bitmap (not a view or a dump device). More... | |
virtual IlBoolean | isASystemPort () const |
Indicates that this port is a true system port (not a dump device). More... | |
virtual IlBoolean | isBad () const |
Indicates whether this port is valid. More... | |
virtual IlBoolean | newPage () const |
Produces an output page and prepares for a new page. More... | |
void | releaseDC () |
Releases the Windows Handle Device Context. More... | |
virtual void | send (const char *) const |
Sends character strings to an output device. More... | |
virtual void | setTransformer (const IlvTransformer &) |
Applies another transformer to the coordinates provided for the drawing functions. More... | |
virtual void | stretchBitmap (const IlvPalette *, const IlvPoint &, const IlvBitmap *, const IlvTransformer &, const IlvRect *=0) const |
Stretches a bitmap. More... | |
virtual void | stretchBitmap (const IlvPalette *, const IlvRect &, const IlvBitmap *, const IlvRect *=0) const |
Stretches a bitmap. More... | |
virtual void | stretchBitmapData (const IlvPalette *palette, const IlvBitmapData *src, const IlvRect &from, const IlvRect &to, IlBoolean opaque=IlFalse) const |
Draws a bitmap data. More... | |
virtual void | stretchTransparentBitmap (const IlvPalette *, const IlvPoint &, const IlvBitmap *, const IlvTransformer &, const IlvRect *=0) const |
Stretches a transparent bitmap. More... | |
virtual void | stretchTransparentBitmap (const IlvPalette *, const IlvRect &, const IlvBitmap *, const IlvRect *=0) const |
Stretches a transparent bitmap. More... | |
Public Member Functions inherited from IlvPort | |
IlvPort (IlvDisplay *display=0) | |
Constructor. More... | |
void | composeAlpha (IlvIntensity alpha) |
Composes the current alpha value of the port. More... | |
virtual void | drawArrow (const IlvPalette *palette, const IlvPoint &from, const IlvPoint &to, IlFloat position) const |
Draws an arrow. More... | |
virtual void | drawBezier (const IlvPalette *palette, IlUInt count, const IlvPoint *points) const |
Draws a set of Bézier curves. More... | |
virtual void | drawClosedBezier (const IlvPalette *palette, IlUInt count, const IlvPoint *points) const |
Appends a closing curve to a set of Bézier curves. More... | |
virtual void | drawILabel (const IlvPalette *palette, const char *label, int length, const IlvRect &drawRect, const IlvRegion *clip=0, IlvPosition align=IlvCenter) const |
Draws a label in a rectangle. More... | |
virtual void | drawLabel (const IlvPalette *palette, const char *label, int length, const IlvRect &drawRect, const IlvRegion *clip=0, IlvPosition align=IlvCenter) const |
Draws a label in a rectangle. More... | |
virtual void | drawMarker (const IlvPalette *palette, const IlvPoint &location, IlvMarkerType type=IlvMarkerSquare, IlUShort size=IlvDefaultMarkerSize) const |
Draws a marker. More... | |
virtual void | drawMnemonicLabel (const IlvPalette *palette, const char *label, const IlvRect &drawRect, const IlvRegion *clip=0, IlvPosition align=IlvCenter, IlBoolean underline=IlTrue) const |
Draws an underlined letter in a label. More... | |
virtual void | drawOutlineRectangle (const IlvPalette *outlinePalette, const IlvPalette *fillPalette, const IlvRect &rect, const IlvRegion *clip=0) const |
Draws a rectangle with border effects. More... | |
virtual void | drawPaths (const IlvPalette *palette, IlUInt count, const IlvPointArray *paths) const |
Draws an array of paths as polylines. More... | |
virtual void | drawReliefDiamond (const IlvPalette *, const IlvPalette *invertedPalette, const IlvPalette *topShade, const IlvPalette *bottomShade, const IlvRect &bbox, IlUShort thickness, const IlvRegion *clip=0) const |
Draws a diamond with depth effects. More... | |
virtual void | drawReliefRectangle (const IlvPalette *palette, const IlvPalette *invertedPalette, const IlvPalette *topShade, const IlvPalette *bottomShade, const IlvRect &bbox, IlUShort thickness, const IlvRegion *clip=0) const |
Draws a filled rectangle with depth effects. More... | |
virtual void | drawShadowRectangle (const IlvPalette *palette, const IlvPalette *invertedPalette, const IlvRect &bbox, IlUShort thickness, IlvPosition shadowPosition, const IlvRegion *clip=0) const |
Draws a filled rectangle with its shadow. More... | |
virtual void | fillBezier (const IlvPalette *palette, IlUInt count, const IlvPoint *points) const |
Fills an area specified by a set of Bézier curves. More... | |
IlvIntensity | getAlpha () const |
Provides the alpha value of the port. More... | |
IlvAntialiasingMode | getAntialiasingMode () const |
Provides the anti-aliasing mode of the port. More... | |
IlvDisplay * | getDisplay () const |
Returns a pointer to the IlvDisplay of this port. More... | |
IlvDim | height () const |
Provides the height of the port. More... | |
virtual IlBoolean | isADevice () const |
Indicates that this port is a dump device. More... | |
void | setAlpha (IlvIntensity alpha) |
Sets the alpha value of the port. More... | |
void | setAntialiasingMode (IlvAntialiasingMode mode) |
Sets the anti-aliasing mode of the port. More... | |
void | size (IlvDim &w, IlvDim &h) const |
Gives the dimensions of the port. More... | |
IlvDim | width () const |
Provides the width of the port. More... | |
Public Member Functions inherited from IlvValueInterface | |
virtual IlBoolean | changeValue (const IlvValue &val) |
Changes the value of an accessor. More... | |
virtual IlBoolean | changeValues (const IlvValue *values, IlUShort count=0) |
Changes several accessor values simultaneously. More... | |
virtual void | getAccessors (const IlSymbol *const **names, const IlvValueTypeClass *const **types, IlUInt &count) const |
Retrieves the list of available accessors of an object. More... | |
virtual IlvValue & | queryValue (IlvValue &val) const |
Retrieves an accessor value. More... | |
virtual void | queryValues (IlvValue *values, IlUShort count) const |
Retrieves multiple accessor values simultaneously. More... | |
Public Member Functions inherited from IlvStylable | |
IlvStylable () | |
Constructor. | |
virtual const IlvStylable * | getStylableParent () const |
Returns the parent of this object in the style hierarchy. More... | |
virtual const IlSymbol *const * | getStylableTags (IlUInt &nTags) const |
Returns the tags of this object. More... | |
Additional Inherited Members | |
Static Public Member Functions inherited from IlvSystemPort | |
static IlvBitmapData * | GetBitmapData (IlvSystemPort *port, const IlvRect *rect=0) |
Creates an IlvBitmapData from a rectangular area in an IlvSystemPort . More... | |
View class.
Library: xviews or winviews or mviews (mutually exclusive)
When using the IlvView
class hierarchy, you must specify the callback functions used to handle incoming events. The IlvDrawingView
class has predefined member functions for this purpose.
IlvDrawingView::IlvDrawingView | ( | IlvAbstractView * | parent, |
const IlvRect & | size, | ||
IlBoolean | visible = IlTrue |
||
) |
Constructor.
This constructor initializes a view object that is a child of the parent
view.
parent | The parent view. |
size | The initial location and size of the view, in the coordinate system of parent. |
visible | Can be set to IlFalse to initially hide the window. |
IlvDrawingView::IlvDrawingView | ( | IlvDisplay * | display, |
IlvSystemView | parent, | ||
const IlvRect & | size, | ||
IlBoolean | visible = IlTrue |
||
) |
Constructor.
This constructor creates a view that is a child of the existing system view indicated by parent
.
display | The display instance. |
parent | The parent system view. |
size | The initial location and size of the view, in the coordinate system of the existing system view. |
visible | Can be set to IlFalse to initially hide the window. |
IlvDrawingView::IlvDrawingView | ( | IlvDisplay * | display, |
IlvSystemView | available | ||
) |
Constructor.
This constructor creates a new view object by actually using the existing system view indicated by available.
display | The display instance. |
available | The system view on which this IlvDrawingView is based. |
IlvDrawingView::IlvDrawingView | ( | IlvDisplay * | display, |
const char * | name, | ||
const char * | title, | ||
const IlvRect & | size, | ||
IlBoolean | visible = IlTrue |
||
) |
Constructor.
This constructor initializes a view object that is a new top window.
display | The display instance. |
name | The name of this view (used by the resource association mechanism). |
title | The title of this top window. |
size | The initial location and size of the view, relative to the root window of display. |
visible | Can be set to IlFalse to initially hide the window. |
IlvDrawingView::IlvDrawingView | ( | IlvDisplay * | display, |
const char * | name, | ||
const char * | title, | ||
const IlvRect & | size, | ||
IlUInt | properties, | ||
IlBoolean | visible = IlTrue , |
||
IlvSystemView | transientFor = 0 |
||
) |
Constructor.
This constructor creates a top window, with an optional parameter properties that makes it possible to tune its aspect.
display | The display instance. |
name | The name of this view (used by the resource association mechanism). |
title | The title of this top window. |
size | The initial location and size of the view, relative to the root window of display. |
properties | The properties of that view (see above). |
visible | Can be set to IlFalse to initially hide the window. |
transientFor | The possible system view for which this view is transient. If unspecified or set to 0 , this view will not be transient for any view. |
|
virtual |
Draws the view contents.
This is the member function you will overload to perform the different drawing tasks that are needed by your application.
The default implementation does nothing.
clip | The clipping region where the drawing must take place. If 0 , there is no clipping region to be used. |
Reimplemented in IlvContainer.
|
virtual |
Handles a newly exposed region.
This member function is called when this view reveals new regions that must be updated.
The default implementation calls reDraw
with the relevant exposed region.
event | The event that is received for this expose event. |
Reimplemented in IlvContainer.
|
virtual |
Handles an input event.
This member function is called when an input event (keystrokes or mouse events) is received by this view.
Its default implementation does nothing.
event | The input event that is received. |
Reimplemented in IlvContainer.
|
virtual |
Redraws the entire view.
The default implementation erases, if necessary, the background of the window then calls draw
.
clip | The clipping region to be refreshed. |
Reimplemented in IlvContainer.