voidadd(Field field)
Adds a field to this screen's manager.
voidaddKeyListener(KeyListener listener)
Registers a key event listener for this screen.
voidaddTrackwheelListener(TrackwheelListener listener)
Registers a trackwheel event listener for this screen.
voidclose()
Closes this screen.
voiddelete(Field field)
Deletes a field from this screen's manager.
voiddeleteRange(int start,
int count)
Deletes a range of fields from this screen's manager.
voiddoPaint()
Paints this screen.
voidensureRegionVisible(Field field,
int x,
int y,
int width,
int height)
Attempts to make your provided region visible.
ApplicationgetApplication()
Retrieves this screen's application.
MenuItemgetDefaultMenuItem(int instance)
Retrieves the default menu item.
ManagergetDelegate()
Retrieves this screen's delegate manager.
FieldgetField(int index)
Retrieves controlled field with specified index.
intgetFieldAtLocation(int x,
int y)
Retrieves index of field under provided point.
intgetFieldCount()
Retrieves the number of controlled fields.
FieldgetFieldWithFocus()
Retrieves controlled field with focus.
intgetFieldWithFocusIndex()
Retrieves index of controlled field with focus.
voidgetFocusRect(XYRect rect)
Retrieves current extent of the focus.
GraphicsgetGraphics()
Retrieves the graphics context for this screen.
FieldgetLeafFieldWithFocus()
Retrieves leaf field with focus.
MenugetMenu(int instance)
Retrieves the menu.
ScreengetScreenAbove()
Retrieves handle for screen above this one.
ScreengetScreenBelow()
Retrieves handle for screen below this one.
UiEnginegetUiEngine()
Retrieves UiEngine that owns the display.
voidinsert(Field field,
int index)
Inserts a field to this screen's manager.
voidinvalidate()
Invalidates a region of this screen.
voidinvalidate(int x,
int y,
int width,
int height)
Invalidates a region of this screen.
voidinvalidateAll(int x,
int y,
int width,
int height)
Invalidates a region of this screen.
voidinvalidateLayout()
Invalidates this screen's layout (including all controlled fields).
protected booleaninvokeAction(int action)
Invokes an action on this screen.
booleanisDataValid()
Computes and returns whether or not the data on this screen is valid.
booleanisDirty()
Determines if this screen is dirty.
booleanisDisplayed()
Determines if this screen is currently in use.
booleanisFocusable()
Verifies that the delegate manager accepts the focus.
booleanisGlobal()
Determines if this is a global screen.
booleanisGlobalStatus()
Deprecated. Use isGlobal()
booleanisMuddy()
Determines if this screen is muddy.
booleanisSelecting()
Determines if this screen has the focus.
protected booleankeyChar(char c,
int status,
int time)
Delegates key generation event to the controlled field with focus.
protected booleankeyCharUnhandled(char key,
int status,
int time)
Invoked when a keyChar event is unhandled.
protected booleankeyControl(char c,
int status,
int time)
Delegates key generation event to the controlled field with focus.
protected booleankeyDown(int keycode,
int time)
Delegates key down event to controlled field with focus.
protected booleankeyRepeat(int keycode,
int time)
Delegates key repeat event to controlled field with focus.
protected booleankeyStatus(int keycode,
int time)
Delegates key status event to controlled field with focus.
protected booleankeyUp(int keycode,
int time)
Delegates key up event to controlled field with focus.
protected voidlayoutDelegate(int width,
int height)
Lays out this screen's delegate.
protected voidmakeMenu(Menu menu,
int instance)
Called from onMenu to populate the menu.
protected booleannavigationClick(int status,
int time)
Delegates navigational click events.
protected booleannavigationMovement(int dx,
int dy,
int status,
int time)
Invoked when a navigational motion occurs.
protected booleannavigationUnclick(int status,
int time)
Delegates navigation unclick events.
booleanonClose()
Indicates a close event has occurred.
protected voidonDisplay()
Invoked when this screen is pushed onto the display stack.
protected voidonExposed()
Invoked when this screen is exposed.
protected voidonFocus(int direction)
Finds a controlled field to give the focus.
protected voidonFocusNotify(boolean focus)
Called whenever the screen has gained or lost focus.
booleanonMenu(int instance)
Invoked when a menu needs displaying.
protected voidonMenuDismissed()
Deprecated. Use onMenuDismissed(Menu).
protected voidonMenuDismissed(Menu menu)
Called when the menu is dismissed.
protected voidonObscured()
Invoked when this screen is obscured.
protected booleanonSave()
Invoked when the screen should save its contents.
protected booleanonSavePrompt()
Invoked when the screen should prompt to save its contents.
protected voidonUndisplay()
Invoked when this screen is popped off the display stack.
protected voidonUnfocus()
Invoked when focus is removed from this screen.
protected booleanopenDevelopmentBackdoor(int backdoorCode)
Handles development backdoor key-sequences.
protected booleanopenProductionBackdoor(int backdoorCode)
Handles production backdoor key-sequences.
protected voidpaint(Graphics graphics)
Paints this screen's visible region.
protected voidpaintBackground(Graphics graphics)
Paint this screen's background.
voidremoveFocus()
Removes focus from this screen.
voidremoveKeyListener(KeyListener listener)
Removes a key event listener from this screen.
voidremoveTrackwheelListener(TrackwheelListener listener)
Removes a trackwheel event listener from this screen.
voidreplace(Field oldField,
Field newField)
Removes a field from this
Screen and replaces it with another field. voidsave()
Invoked when the screen should save its contents.
booleanscroll(int direction)
Scrolls the focus in specified direction.
protected voidsetBackdoorAltStatus(boolean altStatus)
Sets whether backdoors key sequences use ALT'd or un-ALT'd keystrokes.
protected voidsetDefaultClose(boolean provideDefaultClose)
This method controls whether the screen's menu contains a "close" menu item.
voidsetDirty(boolean dirty)
Cleans or dirties all controlled fields.
voidsetFocus()
Sets the focus to the delegate manager.
booleansetFocus(Field field,
int x,
int y,
int status,
int time)
Sets focus to exact position in current screen.
voidsetHorizontalQuantization(int horizontalQuanta)
Sets the horizontal quantization.
protected voidsetPositionDelegate(int x,
int y)
Set the position of this screen's layout manager (delegate).
voidsetTrackballFilter(int filter)
Sets the trackball filter for this Screen.
voidsetTrackballSensitivityXOffset(int trackballSensitivityXOffset)
Sets the relative trackball sensitivity for the X axis.
voidsetTrackballSensitivityYOffset(int trackballSensitivityYOffset)
Sets the relative trackball sensitivity for the X axis.
voidsetVerticalQuantization(int verticalQuanta)
Sets the vertical quantization.
protected booleantrackwheelClick(int status,
int time)
Delegates trackwheel click events.
protected booleantrackwheelClickUnhandled(int status,
int time)
Handles trackwheel click event if delegate passes it through.
protected booleantrackwheelRoll(int amount,
int status,
int time)
Invoked when the trackwheel is rolled.
protected booleantrackwheelUnclick(int status,
int time)
Delegates trackwheel unclick events.
voidupdateDisplay()
Updates the display.