totalcross.ui
Class ComboBoxDropDown

totalcross.lang.Object
  totalcross.ui.gfx.GfxSurface
      totalcross.ui.Control
          totalcross.ui.Container
              totalcross.ui.Window
                  totalcross.ui.ComboBoxDropDown

public class ComboBoxDropDown
extends Window

ComboBoxDropDown is a simple implementation of a PopUp Listbox. Used by the ComboBox class.

Field Summary

boolean	dontHideParent Set to true if want to make the control popup below or above always, and not only if WinCE
boolean	fullHeight Set to true to make this pop have the screen height
boolean	fullWidth Set to true to make this popup have the screen width
ListBox	lb The assigned ListBox.

Fields inherited from class totalcross.ui.Window

_controlEvent, _dragEvent, _draggingEvent, _focus, _keyEvent, _penEvent, beepIfOut, blocking, borderStyle, cancelPenUp, canDrag, dragEventTime, dragThreshold, fadeOtherWindows, fadeValue, firstFocus, flickEnabled, flickHighSpeedDecay, flickInitialInverval, flickLowSpeedDecay, flickPixelThresholdHoriz, flickPixelThresholdVert, flickSpeedLowBound, flickStartThreshold, flickTimer, gradientTitleEndColor, gradientTitleStartColor, highlighted, highResPrepared, HORIZONTAL_GRADIENT, ignoreEventOfType, isFlicking, lastSwappedContainer, mainSwapContainer, menubar, needsPaint, NO_BORDER, popped, RECT_BORDER, ROUND_BORDER, rTitle, SIP_BOTTOM, SIP_DISABLE_NUMERICPAD, SIP_ENABLE_NUMERICPAD, SIP_HIDE, SIP_SHOW, SIP_TOP, TAB_BORDER, TAB_ONLY_BORDER, title, titleColor, titleFont, topMost, triggeredFlickDirection, VERTICAL_GRADIENT, zStack

Fields inherited from class totalcross.ui.Container

alwaysEraseBackground, BORDER_LOWERED, BORDER_NONE, BORDER_RAISED, BORDER_SIMPLE, children, controlFound, finishedStart, ignoreOnAddAgain, ignoreOnRemove, insets, lastH, lastScreenWidth, lastW, nextTransitionEffect, started, tabOrder, tail, TRANSITION_CLOSE, TRANSITION_NONE, TRANSITION_OPEN, transitionEffect

Fields inherited from class totalcross.ui.Control

AFTER, appId, appObj, asContainer, asWindow, backColor, BEFORE, BOTTOM, BOTTOM_OF, CENTER, CENTER_OF, clearValueInt, clearValueStr, enabled, enableUpdateScreen, FILL, FIT, fm, fmH, focusHandler, focusLess, focusOnPenDown, focusTraversable, font, foreColor, height, isHighlighting, KEEP, LEFT, onEventFirst, parent, PREFERRED, RANGE, repositionAllowed, RIGHT, RIGHT_OF, SAME, setFont, setH, setRel, setW, setX, setY, TOP, transparentBackground, uiCE, uiFlat, uiPalm, uiVista, visible, width, WILL_RESIZE, x, y

Constructor Summary

ComboBoxDropDown()
Creates a ComboBoxDropDown with coordinates that will be set later via the setRect method.

ComboBoxDropDown(ListBox lb)
Creates a ComboBoxDropDown with the given ListBox.

Method Summary

int	getPreferredHeight() Returns the size of the title if any plus the size of the border.
int	getPreferredWidth() Returns the size of the title if any plus the size of the border.
protected boolean	onClickedOutside(PenEvent event) Close the popup list with a click outside its bounds
void	onEvent(Event event) Called to process key, pen, control and other posted events.
protected void	onFontChanged() Sets the font of the controls inside this window
protected void	onPopup() Placeholder called imediatly before the popup began.
protected void	postUnpop() Placeholder called after the unpop is done and after the repaint of the other window.
void	setRect(int x, int y, int width, int height, Control relative, boolean screenChanged) Sets the absolute rect of the parent's control.

Methods inherited from class totalcross.ui.Window

_doPaint, _postEvent, destroyZStack, drawHighlight, getBorderStyle, getClientRect, getClientRect, getFocus, getHighlighted, getTitleFont, getTopMost, handleFocusChangeKeys, isFlickEnabled, isFlicking, isTopMost, isVisible, loadBehind, makeUnmovable, onUnpop, paintTitle, popup, popupMenuBar, popupNonBlocking, postPopup, postPressedEvent, pumpEvents, releaseFlickTimer, removeFocus, repaintActiveWindows, resize, resizeHeight, resizeWidth, screenResized, setBorderStyle, setDeviceTitle, setFlickEnabled, setFocus, setGrabPenEvents, setHighlighted, setMenuBar, setSIP, setTitle, setTitleFont, swap, swapFocus, unpop, validate

Methods inherited from class totalcross.ui.Container

add, add, add, add, add, broadcastEvent, clear, findChild, findNearestChild, findNextFocusControl, getChildren, getFocusableControls, getInsets, incLastX, incLastY, initUI, onAddAgain, onColorsChanged, onPaint, onRemove, paintChildren, remove, removeAll, setEnabled, setHighlighting, setInsets, swapToTopmostWindow

Methods inherited from class totalcross.ui.Control

_onEvent, addFocusListener, addGridListener, addHighlightListener, addKeyListener, addPenListener, addPressListener, addTimer, addTimer, addTimerListener, addWindowListener, changeHighlighted, contains, getAbsoluteRect, getBackColor, getEventListeners, getFont, getForeColor, getGraphics, getHeight, getNext, getParent, getParentWindow, getPos, getPressedEvent, getPrev, getRect, getSize, getWidth, getX, getX2, getY, getY2, handleGeographicalFocusChangeKeys, isDisplayed, isEnabled, isInsideOrNear, isVisibleAndInside, onBoundsChanged, onWindowPaintFinished, postEvent, removeFocusListener, removeGridListener, removeHighlightListener, removeKeyListener, removePenListener, removePressListener, removeTimer, removeTimerListener, removeWindowListener, repaint, repaintNow, reposition, reposition, requestFocus, setBackColor, setBackForeColors, setFocusLess, setFont, setForeColor, setRect, setRect, setRect, setVisible, translateFromOrigin, uiStyleChanged, updateScreen, updateTemporary

Methods inherited from class totalcross.lang.Object

clone, equals, finalize, getClass, hashCode, notify, notifyAll, toString, wait, wait, wait

Field Detail

lb

public ListBox lb

The assigned ListBox.

dontHideParent

public boolean dontHideParent

Set to true if want to make the control popup below or above always, and not only if WinCE

fullHeight

public boolean fullHeight

Set to true to make this pop have the screen height

fullWidth

public boolean fullWidth

Set to true to make this popup have the screen width

Constructor Detail

ComboBoxDropDown

public ComboBoxDropDown()

Creates a ComboBoxDropDown with coordinates that will be set later via the setRect method.

ComboBoxDropDown

public ComboBoxDropDown(ListBox lb)

Creates a ComboBoxDropDown with the given ListBox. You can extend the ListBox to draw the items by yourself and use this constructor so the ComboBoxDropDown will use your class and not the default ListBox one. Note that this constructor forces the ListBox.simpleBorder to true.

Method Detail

onFontChanged

protected void onFontChanged()

Sets the font of the controls inside this window

Overrides:

onFontChanged in class Control

setRect

public void setRect(int x,
                    int y,
                    int width,
                    int height,
                    Control relative,
                    boolean screenChanged)

Sets the absolute rect of the parent's control. The ComboBoxDropDown rect will be computed based on that rectangle.

Overrides:

setRect in class Control

Parameters:

x - One of the relative positioning constants: LEFT, RIGHT, SAME, BEFORE, AFTER, CENTER, with a small adjustment. You can also use an absolute value, but this is strongly discouraged.

y - One of the relative positioning constants: TOP, BOTTOM, SAME, BEFORE, AFTER, CENTER, with a small adjustment. You can also use an absolute value, but this is strongly discouraged.

width - One of the relative positioning constants: PREFERRED, FILL, FIT, SAME. You can also use an absolute value, but this is strongly discouraged.

height - One of the relative positioning constants: PREFERRED, FILL, FIT, SAME. You can also use an absolute value, but this is strongly discouraged.

relative - To whom the position should be relative to; or null to be relative to the last control.

screenChanged - Indicates that a screen change (resize, collapse) occured and the reposition method is calling this method. Set by the system. If you call this method directly, always pass false to it.

See Also:

Control.LEFT, Control.TOP, Control.RIGHT, Control.BOTTOM, Control.BEFORE, Control.AFTER, Control.CENTER, Control.SAME, Control.FILL, Control.PREFERRED, Control.FIT, Control.CENTER_OF, Control.RIGHT_OF, Control.BOTTOM_OF, Container.add(Control, int, int), Container.add(Control, int, int, Control)

onClickedOutside

protected boolean onClickedOutside(PenEvent event)

Close the popup list with a click outside its bounds

Overrides:

onClickedOutside in class Window

onEvent

public void onEvent(Event event)

Description copied from class: Control

Called to process key, pen, control and other posted events.

Overrides:

onEvent in class Control

Parameters:

event - the event to process

See Also:

Event, KeyEvent, PenEvent

getPreferredWidth

public int getPreferredWidth()

Description copied from class: Window

Returns the size of the title if any plus the size of the border. Note that the value returned here does not handle the controls inside the window.

Overrides:

getPreferredWidth in class Window

getPreferredHeight

public int getPreferredHeight()

Description copied from class: Window

Returns the size of the title if any plus the size of the border. Note that the value returned here does not handle the controls inside the window.

Overrides:

getPreferredHeight in class Window

onPopup

protected void onPopup()

Description copied from class: Window

Placeholder called imediatly before the popup began. The default implementation does nothing.

Overrides:

onPopup in class Window

postUnpop

protected void postUnpop()

Description copied from class: Window

Placeholder called after the unpop is done and after the repaint of the other window. The default implementation does nothing.

Overrides:

postUnpop in class Window