MVPApplication
mvp/MVPApplication.hpp
A specialization of the TouchGFX Application class that provides the necessary glue for transitioning between presenter/view pairs. It maintains a callback for transitioning and evaluates this at each tick.
See: Application
Inherits from: Application, UIEventListener
Public Functions
virtual void | handlePendingScreenTransition() |
Handles the pending screen transition. | |
MVPApplication() | |
Initializes a new instance of the MVPApplication class. | |
Protected Functions
void | evaluatePendingScreenTransition() |
Evaluates the pending Callback instances. | |
Protected Attributes
Presenter * | currentPresenter |
Pointer to the currently active presenter. | |
GenericCallback * | pendingScreenTransitionCallback |
Callback for screen transitions. Will be set to something valid when a transition request is made. | |
Additional inherited members
Protected Classes inherited from Application
class | TimerWidgets |
A class to handle and manage timer widgets. | |
Protected Types inherited from Application
typedef Vector< Rect, 8 > | RectVector_t |
Type to ensure the same number of rects are in the Vector. | |
Public Functions inherited from Application
Screen * | getCurrentScreen() |
Gets the current screen. | |
DebugPrinter * | getDebugPrinter() |
Returns the DebugPrinter object associated with the application. | |
Application * | getInstance() |
Gets the single instance application. | |
void | invalidateDebugRegion() |
Sets the debug string to be displayed onscreen on top of the framebuffer. | |
void | setDebugPrinter(DebugPrinter * printer) |
Sets the DebugPrinter object to be used by the application to print debug messages. | |
void | setDebugString(const char * string) |
Sets the debug string to be displayed onscreen on top of the framebuffer. | |
virtual void | appSwitchScreen(uint8_t screenId) |
An application specific function for switching screen. | |
virtual void | changeToStartScreen() |
This function can be called to send your application back to the start screen. | |
void | clearAllTimerWidgets() |
Clears all currently registered timer widgets. | |
virtual void | clearCachedAreas() |
Clears the cached areas so coming calls to invalidate are collected for future drawing. | |
void | copyInvalidatedAreasFromTFTToClientBuffer() |
This function copies the parts that were updated in the previous frame (in the TFT buffer) to the active framebuffer (client buffer). | |
virtual void | drawCachedAreas() |
Draws all cached, invalidated areas on the screen. | |
const Vector< Rect, 8 > & | getInvalidatedAreas() |
Get list of the invalidated areas in the current frame. | |
uint16_t | getNumberOfRegisteredTimerWidgets() const |
gets the number of timer widgets that are registered and active. | |
uint16_t | getTimerWidgetCountForDrawable(const Drawable * w) const |
Gets the number of timer events registered to a widget, i.e. | |
virtual void | handleClickEvent(const ClickEvent & event) |
Handle a click event. | |
virtual void | handleDragEvent(const DragEvent & event) |
Handle drag events. | |
virtual void | handleGestureEvent(const GestureEvent & event) |
Handle gestures. | |
virtual void | handleKeyEvent(uint8_t c) |
Handle an incoming character received by the HAL layer. | |
virtual void | handleTickEvent() |
Handle tick. | |
virtual void | invalidate() |
Invalidates the entire screen. | |
virtual void | invalidateArea(Rect area) |
Invalidates the given area. | |
void | registerTimerWidget(Drawable * w) |
Adds a widget to the list of widgets receiving ticks every frame (typically 16.67ms) | |
virtual void | requestRedraw() |
An application specific function for requesting redraw of entire screen. | |
virtual void | requestRedraw(Rect & rect) |
An application specific function for requesting redraw of given Rect. | |
virtual void | switchScreen(Screen * newScreen) |
Switch to another Screen. | |
void | unregisterTimerWidget(const Drawable * w) |
Removes a widget from the list of widgets receiving ticks every frame (typically 16.67ms) milliseconds. | |
Protected Functions inherited from Application
Application() | |
Protected constructor. | |
virtual void | draw() |
Initiate a draw operation of the entire screen. | |
virtual void | draw(Rect & rect) |
Initiate a draw operation of the specified region of the screen. | |
Public Attributes inherited from Application
const uint8_t | MAX_TIMER_WIDGETS |
Maximum number of widgets receiving ticks. | |
const uint16_t | TICK_INTERVAL_MS |
Deprecated, do not use this constant. Tick interval depends on VSYNC of your target platform. | |
Protected Attributes inherited from Application
RectVector_t | cachedDirtyAreas |
When draw caching is enabled, these rects keeps track of the dirty screen area. | |
RectVector_t | lastRects |
The dirty areas from last frame that needs to be redrawn because we have swapped frame buffers. | |
Rect | redraw |
Rect describing application requested invalidate area. | |
class touchgfx::Application::TimerWidgets | timerWidgets |
The timer widgets. | |
bool | transitionHandled |
True if the transition is done and Screen::afterTransition has been called. | |
Screen * | currentScreen |
Pointer to currently displayed Screen. | |
Transition * | currentTransition |
Pointer to current transition. | |
DebugPrinter * | debugPrinter |
Pointer to the DebugPrinter instance. | |
Rect | debugRegionInvalidRect |
Invalidated Debug Region. | |
Application * | instance |
Pointer to the instance of the Application-derived subclass. | |
Public Functions inherited from UIEventListener
virtual void | handleClickEvent(const ClickEvent & event) |
This handler is invoked when a mouse click or display touch event has been detected by the system. | |
virtual void | handleDragEvent(const DragEvent & event) |
This handler is invoked when a drag event has been detected by the system. | |
virtual void | handleGestureEvent(const GestureEvent & event) |
This handler is invoked when a gesture event has been detected by the system. | |
virtual void | handleKeyEvent(uint8_t c) |
This handler is invoked when a key (or button) event has been detected by the system. | |
virtual void | handleTickEvent() |
This handler is invoked when a system tick event has been generated. | |
virtual | ~UIEventListener() |
Finalizes an instance of the UIEventListener class. | |
Public Functions Documentation
handlePendingScreenTransition
virtual void handlePendingScreenTransition | ( | ) |
Handles the pending screen transition.
Delegates the work to evaluatePendingScreenTransition()
Reimplements: touchgfx::Application::handlePendingScreenTransition
MVPApplication
Initializes a new instance of the MVPApplication class.
Protected Functions Documentation
evaluatePendingScreenTransition
Protected Attributes Documentation
currentPresenter
Presenter * currentPresenter
Pointer to the currently active presenter.
pendingScreenTransitionCallback
GenericCallback * pendingScreenTransitionCallback
Callback for screen transitions. Will be set to something valid when a transition request is made.