Application : Screen

Application is base class in Enterprise application development.

Properties

• bg : BGDrawing
  Background drawing, it holds instance of BGDrawing to decorate background.
• bgPressed : BGDrawing
  
• border : Drawing
  Border drawing, it holds instance of Drawing to decorate border.
• defaults : Object
  Sets default controls options.
• fg : TextDrawing
  Foreground drawing, it holds instance of TextDrawing object to decorate text of Control.
• fgPressed : TextDrawing
  
• height : Integer
  Height of the Control (in pixels).
• initialisation : Boolean
  Initialisation in progress.
• keyboard : Keyboard
  Application Keyboard handler.
• layout : StackLayout
  StackLayout used to layout elements into the object.
• left : Integer
  X - coordinates of Control's position.
• name : String
  Name of the Control.
• native : Any
  Native, instance of native UI object(View,ScrollView,Window).
• options : Object
  Position of navigation bar.
• orientation : Symbol
  Orientation of application.
• parent : Any
  Parent, instance of native UI object where current Control is assigned. Basicaly is a container where control was added.(View,ScrollView,>Window)
• skin : Skin
  Skin property.
• skipDrawing : Boolean
  Skip control drawing. It used if control is part of composite control what manage drawing bu itself.
• stretch : Symbol
  Gets or sets if the view's width is stretchable.
• top : Integer
  Y - coordinates of control's position.
• visible : Boolean
  Visibility of the Control. Default is True.
• width : Integer
  Width of the Control (in pixels).

Methods

• _loadSkin(skinName)
  Load skin instance.
• add(form, force = false, order = #front)
  Funcian add forms to application.
• afterInit()
  After Init Control, set control defaults from current theme setting.
• afterInitControls
  Method is executed after init controls.
• beforeInit()
  After Init Control, set control defaults from current theme setting.
• beforeInitControls
  Method is executed before init controls.
• find(name) : Control
  Search for child Controls, which name is same as name from function's param.
• focusable() : Boolean
  Ability to have a focus.
• getChildrenBounds() : MultiValue
  Returns four values (left, top, right, bottom) of child's union content.
• getChildrenSize() : MultiValue
  Returns two values (width, height) of child's union content.
• hasFocus() : Boolean
  Returns true if this Control has focus. Otherwise, function returns false.
• hideAll()
  Function make all registered form invisible
• hideKeyboard()
  Function makes keyboard invisible.
• icon(width, height) : Control
  Icon, other way how o set control image. It accept symbol of vector, location to bitmap, instance of bitmap or instance of path. This property can be used only if image is defined.
• init()
  Init class controls.
• invalidate()
  This function ensure redrawing a rectangle, determined by parameters. Redrawing manages the function, which is set to onDraw event.
• isForm(name) : Boolean
  Function checks if form with name exists in application
• performLayout()
  Performs (force) layout calculations.
• pop() : Any
  Function makes current form invisible and call on deactivation method, and makes previous form visible and call on activation method.
• push(form)
  Functiom makes form visible, register form to application and raise onActivate method. If form is already registered in application, it makes form visible and raise onActivate method only.
• quit() : Screen
  Function signals to terminate application.
• remove(form)
  Remove form from application and raise on deactivate.
• removeAll()
  Remove all child controls from container.
• replace(form,remove=false)
  Function replace current form.
• requestKeyboard(callback,keyboardType = #UIKeyboardTypeDefault) : Array
  Function for request of keyboard. Application can by system one or Moscrif keyboard.
• resumeLayout()
  Resume layer's recalculating.
• run() : Screen
  Run method, runs game or application.
• setFocus() : Control
  Function sets focus to the Control.
• setLocation(left, top) : Control
  Function to set control left and top position.
• setSize(width, height) : Control
  Function to set width and hight of control.
• showModal(overlay) : Object
  Function shows modal window.
• suspendLayout()
  Pause layer's recalculating.
• this(options = {}) : Application
  Public constructor of Application class. This class is Singelton and application instance is stored in Application.instance variable. Once Application is constructing it check if options contains skin instance, if not application includes and set skin based on project settings.
• undefined(k,v) : Form
  Make form instace accesible via application instance. If propery is undefined it looks for name of the form stored in application. In the case form with same name as requested property is stored in application it returns instance of the form.

Events

• onChar(sender,charCode) : Function
  This event is raised by release an UNICODE character key.
• onDraw(sender,canvas) : Function
  This event occurs, when it is necessary to redraw object. onDraw event is usually managed by skin.
• onKeyPressed(sender,key) : Function
  This event is raised by press the key.
• onKeyReleased(sender,key) : Function
  This event is raised by release the key.
• onPointerDragged(sender,x,y) : Function
  Called when touch (click) is moved.
• onPointerPressed(sender,x,y) : Fucntion
  Called when touch (click) is stared.
• onPointerReleased(sender,x,y) : Function
  Called when touch (click) is finished.
• onProcess : Function
  Callback function, which is called from the object every 25ms.
• onQuit : Function
  On Quit Handler, executed when game or application ends.
• onResize(sender,charCode) : Function
  Occurs when the control is resized.
• onStart : Function
  This event appears, when application starts - only once during the application life cycle.