#include <CViewport.h>

Inheritance diagram for iview::CViewport:

Collaboration diagram for iview::CViewport:

Public Types
typedef CCalibratedViewBase	BaseClass

typedef QWidget	BaseClass2

Public Types inherited from iview::CCalibratedViewBase
typedef CViewBase	BaseClass

Public Types inherited from iview::CViewBase
enum	ZoomMode { ZM_RESET , ZM_ZOOM_IN , ZM_ZOOM_OUT , ZM_FIT , ZM_FIT_COVER , ZM_FIT_UNPROP , ZM_FIT_H , ZM_FIT_V }

Public Types inherited from iview::IShapeView
typedef IShapeObserver	BaseClass

Public Types inherited from iview::IDisplay
enum	ChangeFlags { CF_TRANSFORM = 0x3f67360 , CF_COLORS , CF_SIZE , CF_EDIT_MODE , CS_CONSOLE }
	Define possible display change flags. More...

Public Types inherited from iview::ISelectable
enum	MousePointerMode { MPM_NONE , MPM_DEFAULT , MPM_DESELECT , MPM_POINTER , MPM_WAIT , MPM_CROSS , MPM_HAND , MPM_DRAG , MPM_SCREEN_MOVE , MPM_LAST = MPM_SCREEN_MOVE }
	Defines possible states of mouse pointer. More...

enum	EditMode { EM_NONE = 0 , EM_MOVE = 1 , EM_ADD = 2 , EM_REMOVE = 3 }
	Describes standard edit modes. More...

typedef QSet< IInteractiveShape * >	SelectedShapes

Public Types inherited from iview::ITouchable
enum	TouchState { TS_NONE , TS_TRANSPARENT , TS_INACTIVE , TS_TICKER , TS_DRAGGABLE , TS_OTHER , TS_LAST = TS_OTHER }
	Enumeration for possible shape touch states. More...

Public Types inherited from istd::IChangeable
enum	ChangeFlags { CF_ICF_INTERNAL = 0 , CF_ALL_DATA , CF_ANY , CF_DESTROYING , CF_DELEGATED , CF_NO_UNDO }
	Data model change notification flags. More...

enum	SupportedOperations { SO_NONE = 0 , SO_OBSERVE = 1 << 0 , SO_COPY = 1 << 1 , SO_CLONE = 1 << 2 , SO_COMPARE = 1 << 3 , SO_RESET = 1 << 4 , SO_CHANGE_LOCK = 1 << 5 }
	Flags for supported operations. More...

enum	CompatibilityMode { CM_STRICT , CM_WITHOUT_REFS , CM_WITH_REFS , CM_CONVERT }
	Control how relationship betweeen objects are interpreted. More...

Signals
void	ShapesChanged ()
	Called when some shapes has been changed.

Public Member Functions
	CViewport (CConsoleBase framePtr, QWidget parent=nullptr)

virtual	~CViewport ()

CConsoleBase *	GetFramePtr () const

void	UpdateFitTransform ()

virtual void	SetEditMode (int mode)
	Set edit mode.

virtual void	SetFitArea (const i2d::CRectangle &area)
	Set area will be used to fit in some zoom modes.

virtual i2d::CRect	GetClientRect () const
	Get bounding box of client area.

virtual bool	OnSelectChange (const iview::IShapeView &view, const istd::CIndex2d &position, const iview::IInteractiveShape &shape, bool state)
	Message handler for selection changes.

virtual bool	OnViewMouseButton (const iview::IShapeView &view, const istd::CIndex2d &position, Qt::MouseButton buttonType, bool state, const iview::IInteractiveShape *shapePtr)
	Message handler for mouse button click.

virtual bool	OnMouseMove (istd::CIndex2d position)
	It is called, when mouse is moved.

virtual void	ConnectCalibrationShape (iview::IShape *shapePtr)
	Connect visualisation shape for calibration object.

Public Member Functions inherited from iview::CCalibratedViewBase
	CCalibratedViewBase ()

void	SetDisplayCalibration (const i2d::ICalibration2d *calibrationPtr)
	Set calibration using to display logical coordinates.

virtual void	SetGridVisible (bool state=true)
	Set grid visibility state.

virtual void	SetDistanceMeasureToolActive (bool state=true)
	Set distance measure tool active.

virtual void	SetPointMeasureToolActive (bool state=true)
	Set point measure tool active.

virtual void	ConnectToolShape (iview::IShape *shapePtr)
	Connect visualisation shape for ruler object.

void	SetMinGridDistance (double gridDistance)
	Set minimal grid size.

void	SetGridInMm (bool state=true)
	Set if grid should be shown in milimeter.

const iview::IViewLayer &	GetCalibrationLayer () const
	Get default calibration layer.

const iview::IViewLayer &	GetToolsLayer () const
	Get default tools layer.

void	SetDefaultColorSchema (istd::TOptDelPtr< const IColorSchema > &&colorSchemaPtr)
	Set default color schema object.

bool	IsBackgroundBufferActive () const

void	SetBackgroundBufferActive (bool state=true)

bool	IsDoubleBufferActive () const

void	SetDoubleBufferActive (bool state=true)

const iview::CDrawBuffer &	GetBackgroundBuffer () const

iview::CDrawBuffer &	GetBackgroundBuffer ()

const iview::CDrawBuffer &	GetDoubleBuffer () const

iview::CDrawBuffer &	GetDoubleBuffer ()

void	CheckResize ()
	Check if size size was changed and invalidation and OnResize() should be done.

const iview::IColorSchema &	GetDefaultColorSchema () const override

void	UpdateAllShapes (const istd::IChangeable::ChangeSet &changeSet) override
	Inform all shapes about changes.

void	InsertDefaultLayers () override
	Insert default layers, when there is no one user layer.

int	InsertLayer (iview::IViewLayer *layerPtr, int index=-1, int layerType=IViewLayer::LT_NONE) override
	Insert layer to view.

void	RemoveLayer (int index) override
	Remove layer from view.

bool	IsGridVisible () const override
	Check if grid is visible.

double	GetMinGridDistance () const override
	Get minimal distance between grid lines.

bool	IsGridInMm () const override
	Check if grid should be shown in milimeter.

bool	IsDistanceMeasureToolActive () const override
	Check if the distance measuring is active.

bool	IsPointMeasureToolActive () const override
	Check if the point measuring is active.

const i2d::ICalibration2d *	GetCalibration () const override
	Get access to transformation object, which transforms a local logical coordinate system to global one.

virtual void	InvalidateBackground ()
	Invalidate whole background buffer.

Public Member Functions inherited from iview::CViewBase
	CViewBase ()

virtual	~CViewBase ()

virtual void	SetZoom (ZoomMode zoom)
	Set zoom.

virtual void	SetScreenPosition (const i2d::CVector2d &client, istd::CIndex2d screen)
	It sets position to become transformation of client point to specified screen position.

virtual const i2d::CRectangle &	GetFitArea () const
	Get area will be used to automatic fit the zoom to view size.

virtual void	SetViewDraggable (bool state=true)
	Turn on/off possibility to move whole view transform.

virtual void	SetMultiselectable (bool state=true)
	Turn on/off possibility to select more shapes using control keys.

virtual void	SetDraggable (bool state=true)
	Turn on/off possibility to move more selected shapes, when one is moved.

virtual void	AddViewEventObserver (iview::IViewEventObserver *listenerPtr)
	Adds handler to catch view events.

virtual void	RemoveViewEventObserver (iview::IViewEventObserver *listenerPtr)
	Removes handler to catch view events.

int	GetBackgroundLayerIndex () const
	Get index of default background layer.

int	GetInactiveLayerIndex () const
	Get index of default inactive layer.

int	GetActiveLayerIndex () const
	Get index of default active layer.

IInteractiveShape *	GetMouseShapePtr () const
	Get shape under mouse pointer.

IInteractiveShape *	GetFirstActiveShape () const

virtual void	Update ()
	Updates all invalidates shapes.

virtual bool	IsViewDraggable () const
	Check if is draggable mode.

virtual bool	IsMultiselectable () const
	Check, if it is possible to select more than one shape.

virtual int	GetLayerIndex (const IViewLayer &layer) const
	Get index of layer.

virtual int	GetLayerIndex (int layerType) const
	Get index of layer by type.

virtual int	GetLayersCount () const
	Get count of layer in this view.

virtual IViewLayer &	GetLayer (int index) const
	Get layer with the given index.

virtual bool	ConnectShape (IShape *shapePtr)
	Connect shape object to view.

virtual ISelectableLayer *	GetFocusedLayerPtr () const
	Get focused layer.

virtual void	OnLayerShapeFocused (IInteractiveShape shapePtr, ISelectableLayer layerPtr)
	Called when shape in layer get focus.

virtual void	OnLayerShapeDefocused (IInteractiveShape shapePtr, ISelectableLayer layerPtr)
	Called when shape in layer loose focus.

virtual void	OnLayerInvalidated (const IViewLayer &layer, const i2d::CRect &prevArea, const i2d::CRect &newArea)
	Inform that layer was invalidated.

virtual int	GetSelectedShapesCount () const
	Get count of selected shapes.

virtual void	InsertSelectedShapes (SelectedShapes &result) const
	Get set of selected shapes.

virtual void	DeselectAllShapes ()
	Set all shapes to be deselected.

virtual int	GetKeysState () const
	Get state of system keys.

virtual int	GetEditMode () const
	Get actual edit mode.

virtual void	OnShapeFocused (IInteractiveShape *)
	Called when shape get focus.

virtual void	OnShapeDefocused (IInteractiveShape *)
	Called when shape loose focus.

virtual TouchState	IsTouched (istd::CIndex2d position) const
	Check, if any shape is touched.

virtual QString	GetShapeDescriptionAt (istd::CIndex2d position) const
	Get description to shape at specified position.

virtual void	SetTransform (const i2d::CAffine2d &transform)
	Set a screen transformation.

virtual void	UpdateMousePointer ()
	Update mouse pointer.

virtual bool	OnMouseButton (istd::CIndex2d position, Qt::MouseButton buttonType, bool downFlag)
	It is called, when mouse button is pushed down or up on this object.

virtual IDisplay *	GetParentDisplayPtr () const
	Get parent object of this display.

virtual const iview::CScreenTransform &	GetTransform () const
	Return a screen transformation.

virtual i2d::CRect	GetBoundingBox () const
	Get bounding box of all object in this display.

virtual const IColorSchema &	GetColorSchema () const
	Get color schema.

virtual void	OnChangeShape (IShape *shapePtr)
	Invalidate a shape.

virtual bool	DisconnectShape (IShape *shapePtr)
	Disconnect shape object from view.

virtual void	OnShapeSelected (IInteractiveShape &shape, bool state=true)
	It is called after change shape selection state.

virtual bool	IsDraggable () const
	Check if drag is enabled.

virtual void	BeginDrag (const istd::CIndex2d &reference)
	Called before dragging is begin.

virtual void	SetDragPosition (const istd::CIndex2d &position)
	Set new drag position.

virtual void	EndDrag ()
	Called after dragging.

Public Member Functions inherited from iview::IShapeView
Public Member Functions inherited from iview::IDisplay
Public Member Functions inherited from iview::IShapeObserver
Public Member Functions inherited from iview::ISelectable
Public Member Functions inherited from iview::ITouchable
Public Member Functions inherited from iview::IDraggable
Public Member Functions inherited from i2d::ICalibration2dProvider
Public Member Functions inherited from istd::IChangeable
virtual int	GetSupportedOperations () const
	Get set of flags for supported operations.

virtual bool	CopyFrom (const IChangeable &object, CompatibilityMode mode=CM_WITHOUT_REFS)
	Copy this object from another one.

virtual bool	IsEqual (const IChangeable &object) const
	Compare this object with another object.

virtual std::unique_ptr< IChangeable >	CloneMe (CompatibilityMode mode=CM_WITHOUT_REFS) const
	Make a copy of this object.

virtual bool	ResetData (CompatibilityMode mode=CM_WITHOUT_REFS)
	Reset data to its default state.

virtual QMutex *	GetChangesLock () const
	Get mutex beeing locked during changes, if available.

virtual void	BeginChanges (const ChangeSet &changeSet)
	Starts the change transaction.

virtual void	EndChanges (const ChangeSet &changeSet)
	Ends the change transaction.

virtual void	BeginChangeGroup (const ChangeSet &changeSet)
	Starts group of changes.

virtual void	EndChangeGroup (const ChangeSet &changeSet)
	Ends group of changes.

Public Member Functions inherited from iview::IVisualCalibrationInfo
Public Member Functions inherited from iview::IToolsLayerInfo
Public Member Functions inherited from iview::IViewEventObserver

Protected Member Functions
virtual void	SetBackgroundBufferValid (bool state=true)
	Set validate flag of background buffer.

virtual void	OnResize ()
	Called if found that display area was resized.

virtual bool	CanBeMoved () const
	This method is internal used to check, if drag mode is allowed.

virtual void	paintEvent (QPaintEvent *event)

virtual void	resizeEvent (QResizeEvent *event)

virtual void	mousePressEvent (QMouseEvent *event)

virtual void	mouseReleaseEvent (QMouseEvent *event)

virtual void	mouseMoveEvent (QMouseEvent *event)

virtual void	SetMousePointer (MousePointerMode mode)
	Set mouse pointer.

void	UpdateRectArea (const i2d::CRect &rect)
	Start updating specified rectangle area.

virtual void	OnBoundingBoxChanged ()
	Called when bounding box has been changed.

virtual void	OnAreaInvalidated (const i2d::CRect &beforeBox, const i2d::CRect &afterBox)
	Invalidate display area.

int	GetMouseKeysState (const QMouseEvent &event)

Protected Member Functions inherited from iview::CCalibratedViewBase
virtual void	DrawBuffers (QPaintDevice &nativeContext, const i2d::CRect &clipRect)

virtual void	DrawToContext (QPaintDevice &nativeContext, QPainter &context, const i2d::CRect &invalidatedBox)

int	CalcShapeLayerIndex (const IShape &shape) const override
	Calculate optimal layer index for some shape.

Protected Member Functions inherited from iview::CViewBase
virtual void	DrawLayers (QPainter &drawContext, int firstLayer, int lastLayer)
	Draw Background layer.

int	GetLastBackgroundLayerIndex ()
	Get last background layer index.

void	SetLastBackgroundLayerIndex (int index)

void	DisconnectAllShapes ()
	Disconnect all shapes from this view.

virtual void	InvalidateBoundingBox ()
	Invalidate bounding box.

bool	EnsureBoundingBoxValid ()
	Calculate bounding box if it was invalid.

virtual i2d::CRect	CalcBoundingBox () const
	Calculate bounding box of all shapes.

virtual MousePointerMode	CalcMousePointer (istd::CIndex2d position) const

virtual void	InvalidateMouseShape ()
	Invalidate stored shape under mouse pointer.

virtual void	CalcMouseShape () const
	Calc shape under mouse pointer.

virtual bool	IsBackgroundBufferValid () const
	Check if background buffer is valid.

const i2d::CRect &	GetInvalidatedBox () const
	Get bounding box of all invalidated rectangles.

void	InvalidateBox (const i2d::CRect &rect)
	Invalidate rectangle screen area.

void	ResetInvalidatedBox ()
	Reset invalidated box.

void	SetKeysState (int state)
	Set state of keys.

const Layers &	GetLayers () const

Layers &	GetLayers ()

Protected Member Functions inherited from iview::IMouseActionObserver
Protected Member Functions inherited from istd::IChangeable
virtual void	OnBeginChanges ()
	Callback function for begin change event.

virtual void	OnEndChanges (const ChangeSet &changeSet)
	Callback function for end change event.

Additional Inherited Members
Static Public Member Functions inherited from istd::IChangeable
static const ChangeSet &	GetNoChanges ()
	Get empty set of changes.

static const ChangeSet &	GetAnyChange ()
	Get anonymous change set.

static const ChangeSet &	GetAllChanges ()
	Get anonymous change set.

static const ChangeSet &	GetDelegatedChanges ()
	Get delegated change set.

Protected Types inherited from iview::CViewBase
typedef QVector< IViewLayer * >	Layers

Detailed Description

Definition at line 31 of file CViewport.h.

Member Typedef Documentation

◆ BaseClass

CCalibratedViewBase iview::CViewport::BaseClass

Definition at line 39 of file CViewport.h.

◆ BaseClass2

QWidget iview::CViewport::BaseClass2

Definition at line 40 of file CViewport.h.

Constructor & Destructor Documentation

◆ CViewport()

iview::CViewport::CViewport	(	CConsoleBase *	framePtr,
		QWidget *	parent = nullptr )

◆ ~CViewport()

virtual iview::CViewport::~CViewport ( )

virtual

Member Function Documentation

◆ CanBeMoved()

virtual bool iview::CViewport::CanBeMoved ( ) const

protectedvirtual

This method is internal used to check, if drag mode is allowed.

Normally it return IsViewDraggable(), but in derived class you can change its implementation to avoid dragging.

Reimplemented from iview::CViewBase.

◆ ConnectCalibrationShape()

virtual void iview::CViewport::ConnectCalibrationShape ( iview::IShape * shapePtr )

virtual

Connect visualisation shape for calibration object.

Reimplemented from iview::CCalibratedViewBase.

◆ GetClientRect()

virtual i2d::CRect iview::CViewport::GetClientRect ( ) const

virtual

Get bounding box of client area.

Implements iview::IDisplay.

◆ GetFramePtr()

CConsoleBase * iview::CViewport::GetFramePtr ( ) const

◆ GetMouseKeysState()

int iview::CViewport::GetMouseKeysState ( const QMouseEvent & event )

protected

◆ mouseMoveEvent()

virtual void iview::CViewport::mouseMoveEvent ( QMouseEvent * event )

protectedvirtual

◆ mousePressEvent()

virtual void iview::CViewport::mousePressEvent ( QMouseEvent * event )

protectedvirtual

◆ mouseReleaseEvent()

virtual void iview::CViewport::mouseReleaseEvent ( QMouseEvent * event )

protectedvirtual

◆ OnAreaInvalidated()

virtual void iview::CViewport::OnAreaInvalidated	(	const i2d::CRect &	prevArea,
		const i2d::CRect &	newArea )

protectedvirtual

Invalidate display area.

Parameters

prevArea	previous area used to display object.
newArea	new area used to display object.

Reimplemented from iview::CViewBase.

◆ OnBoundingBoxChanged()

virtual void iview::CViewport::OnBoundingBoxChanged ( )

protectedvirtual

Called when bounding box has been changed.

Reimplemented from iview::CViewBase.

◆ OnMouseMove()

virtual bool iview::CViewport::OnMouseMove ( istd::CIndex2d position )

virtual

It is called, when mouse is moved.

Only objects with focus receive this event.

Parameters

position - position of mouse pointer on client area (picture coords).

Returns: true if this shape should hold focus to catch longer all mouse movements.

Reimplemented from iview::CViewBase.

◆ OnResize()

virtual void iview::CViewport::OnResize ( )

protectedvirtual

Called if found that display area was resized.

Reimplemented from iview::CCalibratedViewBase.

◆ OnSelectChange()

virtual bool iview::CViewport::OnSelectChange	(	const iview::IShapeView &	view,
		const istd::CIndex2d &	position,
		const iview::IInteractiveShape &	shape,
		bool	state )

virtual

Message handler for selection changes.

Returns: true, if this event was consumed by this listener and should not be further processed.

Implements iview::IViewEventObserver.

◆ OnViewMouseButton()

virtual bool iview::CViewport::OnViewMouseButton	(	const iview::IShapeView &	view,
		const istd::CIndex2d &	position,
		Qt::MouseButton	buttonType,
		bool	state,
		const iview::IInteractiveShape *	shapePtr )

virtual

Message handler for mouse button click.

Returns: true, if this event was consumed by this listener and should not be further processed.

Implements iview::IViewEventObserver.

◆ paintEvent()

virtual void iview::CViewport::paintEvent ( QPaintEvent * event )

protectedvirtual

◆ resizeEvent()

virtual void iview::CViewport::resizeEvent ( QResizeEvent * event )

protectedvirtual

◆ SetBackgroundBufferValid()

virtual void iview::CViewport::SetBackgroundBufferValid ( bool state = true )

protectedvirtual

Set validate flag of background buffer.

Reimplemented from iview::CViewBase.

◆ SetEditMode()

virtual void iview::CViewport::SetEditMode ( int mode )

virtual

Set edit mode.

Reimplemented from iview::CViewBase.

◆ SetFitArea()

virtual void iview::CViewport::SetFitArea ( const i2d::CRectangle & area )

virtual

Set area will be used to fit in some zoom modes.

See also: SetZoom(ZoomMode)

Reimplemented from iview::CViewBase.

◆ SetMousePointer()

virtual void iview::CViewport::SetMousePointer ( MousePointerMode mode )

protectedvirtual

Set mouse pointer.

You have to implement it in your iview::CViewBase implementations.

Implements iview::CViewBase.

◆ ShapesChanged

void iview::CViewport::ShapesChanged ( )

signal

Called when some shapes has been changed.

◆ UpdateFitTransform()

void iview::CViewport::UpdateFitTransform ( )

◆ UpdateRectArea()

void iview::CViewport::UpdateRectArea ( const i2d::CRect & rect )

protectedvirtual

Start updating specified rectangle area.

Implements iview::CViewBase.

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

iview/CViewport.h

Public Types

Signals

Public Member Functions

Protected Member Functions

Additional Inherited Members

Detailed Description

Member Typedef Documentation

◆ BaseClass

◆ BaseClass2

Constructor & Destructor Documentation

◆ CViewport()

◆ ~CViewport()

Member Function Documentation

◆ CanBeMoved()

◆ ConnectCalibrationShape()

◆ GetClientRect()

◆ GetFramePtr()

◆ GetMouseKeysState()

◆ mouseMoveEvent()

◆ mousePressEvent()

◆ mouseReleaseEvent()

◆ OnAreaInvalidated()

◆ OnBoundingBoxChanged()

◆ OnMouseMove()

◆ OnResize()

◆ OnSelectChange()

◆ OnViewMouseButton()

◆ paintEvent()

◆ resizeEvent()

◆ SetBackgroundBufferValid()

◆ SetEditMode()

◆ SetFitArea()

◆ SetMousePointer()

◆ ShapesChanged

◆ UpdateFitTransform()

◆ UpdateRectArea()