View

This is a generic touchgfx::Screen specialization for normal applications. It provides a link to the Presenter class.

Template Parameters:

• T The type of Presenter associated with this view.

See: Screen

Note: All views in the application must be a subclass of this type.

Inherits from: Screen

Public Functions

void	bind(T & presenter)
	Binds an instance of a specific Presenter type (subclass) to the View instance.
	View()

Protected Attributes

T *	presenter
	Pointer to the Presenter associated with this view.

Additional inherited members

Public Functions inherited from Screen

virtual void	afterTransition()
	Called by Application::handleTickEvent() when the transition to the screen is done.
void	bindTransition(Transition & trans)
	Enables the transition to access the containers.
void	draw()
	Tells the screen to draw its entire area.
virtual void	draw(Rect & rect)
	Tell the screen to draw the specified area.
Container &	getRootContainer()
	Obtain a reference to the root container of this screen.
int16_t	getScreenHeight() const
	Gets height of the current screen.
int16_t	getScreenWidth() const
	Gets width of the current screen.
virtual void	handleClickEvent(const ClickEvent & event)
	Traverse the drawables in reverse z-order and notify them of a click event.
virtual void	handleDragEvent(const DragEvent & event)
	Traverse the drawables in reverse z-order and notify them of a drag event.
virtual void	handleGestureEvent(const GestureEvent & event)
	Handle gestures.
virtual void	handleKeyEvent(uint8_t key)
	Called by the Application on the reception of a "key", the meaning of which is platform/application specific.
virtual void	handleTickEvent()
	Called by the Application on the current screen with a frequency of Application::TICK_INTERVAL_MS.
void	JSMOC(const Rect & invalidatedArea, Drawable * widgetToDraw)
	Recursive JSMOC function.
	Screen()
	Initializes a new instance of the Screen class.
virtual void	setupScreen()
	Called by Application::switchScreen() when this screen is going to be displayed.
void	startSMOC(const Rect & invalidatedArea)
	Starts a JSMOC run, analyzing what parts of what widgets should be redrawn.
virtual void	tearDownScreen()
	Called by Application::switchScreen() when this screen will no longer be displayed.
bool	usingSMOC() const
	Determines if using JSMOC.
virtual	~Screen()
	Finalizes an instance of the Screen class.

Protected Functions inherited from Screen

void	add(Drawable & d)
	Add a drawable to the content container.
void	insert(Drawable * previous, Drawable & d)
	Inserts a Drawable after a specific child node.
void	invalidate() const
	Tell the framework that this entire Screen needs to be redrawn.
void	invalidateRect(Rect & invalidatedArea) const
	Request that a region of this screen is redrawn.
void	remove(Drawable & d)
	Removes a drawable from the content container.
void	useSMOCDrawing(bool enabled)
	Determines whether to use JSMOC or painter's algorithm for drawing.

Protected Attributes inherited from Screen

Container	container
	The container contains the contents of the screen.
Drawable *	focus
	The drawable currently in focus (set when DOWN_PRESSED is received).

Public Functions Documentation

bind

void bind	(	T &	presenter	)

Binds an instance of a specific Presenter type (subclass) to the View instance.

This function is called automatically when a new presenter/view pair is activated.

Parameters:

presenter	The specific Presenter to be associated with the View.

View

View	(			)

Protected Attributes Documentation

presenter

T * presenter

Pointer to the Presenter associated with this view.