Class IzCCombo

java.lang.Object
org.eclipse.swt.widgets.Widget
org.eclipse.swt.widgets.Control
org.eclipse.swt.widgets.Scrollable
org.eclipse.swt.widgets.Composite
com.iizigo.swt.IzCCombo
All Implemented Interfaces:
org.eclipse.swt.graphics.Drawable

public class IzCCombo extends org.eclipse.swt.widgets.Composite
The customized CCombo class to create a customized drop-down. By default, the drop-down supports a list with two columns. The items are separated by tab characters for the 2nd column.
  • Field Summary

    Fields
    Modifier and Type
    Field
    Description
    protected org.eclipse.swt.widgets.Shell
     
    protected org.eclipse.swt.widgets.Button
     
    protected org.eclipse.swt.graphics.Color
     
    protected org.eclipse.swt.widgets.Listener
     
    protected org.eclipse.swt.graphics.Font
     
    protected org.eclipse.swt.graphics.Color
     
    protected boolean
     
    protected org.eclipse.swt.widgets.Listener
     
    protected org.eclipse.swt.widgets.Shell
     
    protected org.eclipse.swt.widgets.Table
     
    protected org.eclipse.swt.widgets.Text
     
    protected int
     

    Fields inherited from class org.eclipse.swt.widgets.Control

    handle
  • Constructor Summary

    Constructors
    Constructor
    Description
    IzCCombo(org.eclipse.swt.widgets.Composite parent, int style)
    Constructs a new instance of this class given its parent and a style value describing its behavior and appearance.
  • Method Summary

    Modifier and Type
    Method
    Description
    protected char
    Return the lower case of the first non-'&' character following an '&' character in the given string.
    org.eclipse.swt.widgets.TableItem
    add(String[] strings)
    Adds the argument to the end of the receiver's list.
    org.eclipse.swt.widgets.TableItem
    add(String col1, String col2)
    Adds the argument to the end of the receiver's list.
    void
    addModifyListener(org.eclipse.swt.events.ModifyListener listener)
    Adds the listener to the collection of listeners who will be notified when the receiver's text is modified, by sending it one of the messages defined in the ModifyListener interface.
    void
    addSelectionListener(org.eclipse.swt.events.SelectionListener listener)
    Adds the listener to the collection of listeners who will be notified when the user changes the receiver's selection, by sending it one of the messages defined in the SelectionListener interface.
    void
    addVerifyListener(org.eclipse.swt.events.VerifyListener listener)
    Adds the listener to the collection of listeners who will be notified when the receiver's text is verified, by sending it one of the messages defined in the VerifyListener interface.
    protected void
    arrowEvent(org.eclipse.swt.widgets.Event event)
    Processes the arrow event.
    void
    Sets the selection in the receiver's text field to an empty selection starting just before the first character.
    protected void
    comboEvent(org.eclipse.swt.widgets.Event event)
    Processes a combo event.
    org.eclipse.swt.graphics.Point
    computeSize(int wHint, int hHint, boolean changed)
    Computes the size of the widget.
    void
    Copies the selected text.
    protected void
    createPopup(String[][] items, int selectionIndex)
    Creates the pop-up for the items in question with specified selection.
    void
    cut()
    Cuts the selected text.
    void
    deselect(int index)
    Deselects the item at the given zero-relative index in the receiver's list.
    void
    Deselects all selected items in the receiver's list.
    protected String
    Return the Label immediately preceding the receiver in the z-order, or null if none.
    org.eclipse.swt.widgets.Control[]
    Gets the children of this component.
    boolean
    Gets the editable state.
    getItem(int index)
    Returns the item at the given, zero-relative index in the receiver's list.
    int
    Returns the number of items contained in the receiver's list.
    int
    Returns the height of the area which would be used to display one of the items in the receiver's list.
    String[][]
    Returns an array of Strings which are the items in the receiver's list.
    org.eclipse.swt.graphics.Point
    Returns a Point whose x coordinate is the start of the selection in the receiver's text field, and whose y coordinate is the end of the selection.
    int
    Returns the zero-relative index of the item which is currently selected in the receiver's list, or -1 if no item is selected.
    org.eclipse.swt.widgets.Shell
    Gets the shell of the combobox.
    int
    Gets the combobox style.
    Returns a string containing a copy of the contents of the receiver's text field.
    org.eclipse.swt.widgets.Text
    Gets the text field for input.
    int
    Returns the height of the receivers's text field.
    int
    Returns the maximum number of characters that the receiver's text field is capable of holding.
    int
    Gets the number of items that are visible in the drop down portion of the receiver's list.
    protected void
    handleFocus(int type)
    Processes focus.
    int
    indexOf(String string)
    Searches the receiver's list starting at the first item (index 0) until an item is found that is equal to the argument, and returns the index of that item.
    int
    indexOf(String string, int start)
    Searches the receiver's list starting at the given, zero-relative index until an item is found that is equal to the argument, and returns the index of that item.
    protected void
    Initializes the accessible support.
    boolean
    Checks drop-down is down.
    boolean
    Checks if the combobox has focus.
    protected boolean
    isParentScrolling(org.eclipse.swt.widgets.Control scrollableParent)
    Checks if the parent is scrolling.
    void
    Pastes text from clipboard.
    void
    Redraws the combobox.
    void
    redraw(int x, int y, int width, int height, boolean all)
    Redraws a part of the control, overridden to always include children.
    void
    Removes all of the items from the receiver's list, but leaves the contents of receiver's text field.
    void
    removeModifyListener(org.eclipse.swt.events.ModifyListener listener)
    Removes the listener from the collection of listeners who will be notified when the receiver's text is modified.
    void
    removeSelectionListener(org.eclipse.swt.events.SelectionListener listener)
    Removes the listener from the collection of listeners who will be notified when the user changes the receiver's selection.
    void
    removeVerifyListener(org.eclipse.swt.events.VerifyListener listener)
    Removes the listener from the collection of listeners who will be notified when the control is verified.
    void
    select(int index)
    Selects the item at the given zero-relative index in the receiver's list.
    void
    setBackground(org.eclipse.swt.graphics.Color color)
    Sets the background.
    void
    setEditable(boolean editable)
    Sets the editable state.
    void
    setEnabled(boolean enabled)
    Sets the enabled state.
    boolean
    Sets the focus.
    void
    setFont(org.eclipse.swt.graphics.Font font)
    Sets the font.
    void
    setForeground(org.eclipse.swt.graphics.Color color)
    Sets the foreground.
    void
    setLayout(org.eclipse.swt.widgets.Layout layout)
    Sets the layout which is associated with the receiver to be the argument which may be null.
    void
    setListVisible(boolean visible)
    Marks the receiver's list as visible if the argument is true, and marks it invisible otherwise.
    void
    setSelection(org.eclipse.swt.graphics.Point selection)
    Sets the selection in the receiver's text field to the range specified by the argument whose x coordinate is the start of the selection and whose y coordinate is the end of the selection.
    void
    setText(String string)
    Sets the contents of the receiver's text field to the given string.
    void
    setTextLimit(int limit)
    Sets the maximum number of characters that the receiver's text field is capable of holding to be the argument.
    void
    Sets the tooltip text.
    void
    setVisible(boolean visible)
    Sets the component visibility state.
    void
    Sets the number of items that are visible in the drop down portion of the receiver's list.
    protected String
    Strips the mnemonic from a string.
    protected void
    textEvent(org.eclipse.swt.widgets.Event event)
    Processes the text events.
    boolean
    traverse(int event)
    Processes the traverse event.

    Methods inherited from class org.eclipse.swt.widgets.Composite

    changed, checkSubclass, drawBackground, getBackgroundMode, getLayout, getLayoutDeferred, getTabList, isLayoutDeferred, layout, layout, layout, layout, layout, setBackgroundMode, setLayoutDeferred, setTabList, toString

    Methods inherited from class org.eclipse.swt.widgets.Scrollable

    computeTrim, getClientArea, getHorizontalBar, getScrollbarsMode, getVerticalBar

    Methods inherited from class org.eclipse.swt.widgets.Control

    addControlListener, addDragDetectListener, addFocusListener, addGestureListener, addHelpListener, addKeyListener, addMenuDetectListener, addMouseListener, addMouseMoveListener, addMouseTrackListener, addMouseWheelListener, addPaintListener, addTouchListener, addTraverseListener, computeSize, dragDetect, dragDetect, forceFocus, getAccessible, getBackground, getBackgroundImage, getBorderWidth, getBounds, getCursor, getDragDetect, getEnabled, getFont, getForeground, getLayoutData, getLocation, getMenu, getMonitor, getOrientation, getParent, getRegion, getSize, getTextDirection, getToolTipText, getTouchEnabled, getVisible, internal_dispose_GC, internal_new_GC, isEnabled, isReparentable, isVisible, moveAbove, moveBelow, pack, pack, print, removeControlListener, removeDragDetectListener, removeFocusListener, removeGestureListener, removeHelpListener, removeKeyListener, removeMenuDetectListener, removeMouseListener, removeMouseMoveListener, removeMouseTrackListener, removeMouseWheelListener, removePaintListener, removeTouchListener, removeTraverseListener, requestLayout, setBackgroundImage, setBounds, setBounds, setCapture, setCursor, setDragDetect, setLayoutData, setLocation, setLocation, setMenu, setOrientation, setParent, setRedraw, setRegion, setSize, setSize, setTextDirection, setTouchEnabled, toControl, toControl, toDisplay, toDisplay, traverse, traverse, update

    Methods inherited from class org.eclipse.swt.widgets.Widget

    addDisposeListener, addListener, checkWidget, dispose, getData, getData, getDisplay, getListeners, isAutoDirection, isDisposed, isListening, notifyListeners, removeDisposeListener, removeListener, removeListener, reskin, setData, setData

    Methods inherited from class java.lang.Object

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

    Methods inherited from interface org.eclipse.swt.graphics.Drawable

    isAutoScalable
  • Field Details

    • text

      protected org.eclipse.swt.widgets.Text text
    • table

      protected org.eclipse.swt.widgets.Table table
    • visibleItemCount

      protected int visibleItemCount
    • arrow

      protected org.eclipse.swt.widgets.Button arrow
    • hasFocus

      protected boolean hasFocus
    • listener

      protected org.eclipse.swt.widgets.Listener listener
    • filter

      protected org.eclipse.swt.widgets.Listener filter
    • foreground

      protected org.eclipse.swt.graphics.Color foreground
    • background

      protected org.eclipse.swt.graphics.Color background
    • font

      protected org.eclipse.swt.graphics.Font font
    • _shell

      protected org.eclipse.swt.widgets.Shell _shell
  • Constructor Details

    • IzCCombo

      public IzCCombo(org.eclipse.swt.widgets.Composite parent, int style)
      Constructs a new instance of this class given its parent and a style value describing its behavior and appearance.

      The style value is either one of the style constants defined in class SWT which is applicable to instances of this class, or must be built by bitwise OR'ing together (that is, using the int "|" operator) two or more of those SWT style constants. The class description lists the style constants that are applicable to the class. Style bits are also inherited from superclasses.

      Parameters:
      parent - A widget which 'will be the parent of the new instance (cannot be null).
      style - The style of widget to construct.
      Throws:
      IllegalArgumentException - ERROR_NULL_ARGUMENT - if the parent is null.
      org.eclipse.swt.SWTException - ERROR_THREAD_INVALID_ACCESS - if not called from the thread that created the parent.
      See Also:
      • SWT.BORDER
      • SWT.READ_ONLY
      • SWT.FLAT
      • Widget.getStyle()
  • Method Details

    • getTextControl

      public org.eclipse.swt.widgets.Text getTextControl()
      Gets the text field for input.
    • add

      public org.eclipse.swt.widgets.TableItem add(String col1, String col2)
      Adds the argument to the end of the receiver's list.
      Parameters:
      col1 - String for column 1.
      col2 - String for column 2.
      Returns:
      The added table item.
      Throws:
      IllegalArgumentException - ERROR_NULL_ARGUMENT - if the string is null.
      org.eclipse.swt.SWTException -
      • ERROR_WIDGET_DISPOSED - if the receiver has been disposed.
      • ERROR_THREAD_INVALID_ACCESS - if not called from the thread that created the receiver.
    • add

      public org.eclipse.swt.widgets.TableItem add(String[] strings)
      Adds the argument to the end of the receiver's list.
      Parameters:
      strings - The new item strings.
      Returns:
      The added table item.
      Throws:
      IllegalArgumentException - ERROR_NULL_ARGUMENT - if the string is null.
      org.eclipse.swt.SWTException -
      • ERROR_WIDGET_DISPOSED - if the receiver has been disposed.
      • ERROR_THREAD_INVALID_ACCESS - if not called from the thread that created the receiver.
    • addModifyListener

      public void addModifyListener(org.eclipse.swt.events.ModifyListener listener)
      Adds the listener to the collection of listeners who will be notified when the receiver's text is modified, by sending it one of the messages defined in the ModifyListener interface.
      Parameters:
      listener - The listener which should be notified.
      Throws:
      IllegalArgumentException -
      • ERROR_NULL_ARGUMENT - if the listener is null.
      org.eclipse.swt.SWTException -
      • ERROR_WIDGET_DISPOSED - if the receiver has been disposed.
      • ERROR_THREAD_INVALID_ACCESS - if not called from the thread that created the receiver.
      See Also:
    • addSelectionListener

      public void addSelectionListener(org.eclipse.swt.events.SelectionListener listener)
      Adds the listener to the collection of listeners who will be notified when the user changes the receiver's selection, by sending it one of the messages defined in the SelectionListener interface.

      widgetSelected is called when the combo's list selection changes. widgetDefaultSelected is typically called when ENTER is pressed the combo's text area.

      Parameters:
      listener - The listener which should be notified when the user changes the receiver's selection.
      Throws:
      IllegalArgumentException -
      • ERROR_NULL_ARGUMENT - if the listener is null.
      org.eclipse.swt.SWTException -
      • ERROR_WIDGET_DISPOSED - if the receiver has been disposed.
      • ERROR_THREAD_INVALID_ACCESS - if not called from the thread that created the receiver.
      See Also:
    • addVerifyListener

      public void addVerifyListener(org.eclipse.swt.events.VerifyListener listener)
      Adds the listener to the collection of listeners who will be notified when the receiver's text is verified, by sending it one of the messages defined in the VerifyListener interface.
      Parameters:
      listener - The listener which should be notified.
      Throws:
      IllegalArgumentException -
      • ERROR_NULL_ARGUMENT - if the listener is null.
      org.eclipse.swt.SWTException -
      • ERROR_WIDGET_DISPOSED - if the receiver has been disposed.
      • ERROR_THREAD_INVALID_ACCESS - if not called from the thread that created the receiver.
      See Also:
    • arrowEvent

      protected void arrowEvent(org.eclipse.swt.widgets.Event event)
      Processes the arrow event.
      Parameters:
      event - The raw SWT event.
    • clearSelection

      public void clearSelection()
      Sets the selection in the receiver's text field to an empty selection starting just before the first character. If the text field is editable, this has the effect of placing the i-beam at the start of the text.

      Note: To clear the selected items in the receiver's list, use deselectAll().

      Throws:
      org.eclipse.swt.SWTException -
      • ERROR_WIDGET_DISPOSED - if the receiver has been disposed.
      • ERROR_THREAD_INVALID_ACCESS - if not called from the thread that created the receiver.
      See Also:
    • comboEvent

      protected void comboEvent(org.eclipse.swt.widgets.Event event)
      Processes a combo event.
      Parameters:
      event - The raw SWT event.
    • computeSize

      public org.eclipse.swt.graphics.Point computeSize(int wHint, int hHint, boolean changed)
      Computes the size of the widget.
      Overrides:
      computeSize in class org.eclipse.swt.widgets.Control
    • copy

      public void copy()
      Copies the selected text.

      The current selection is copied to the clipboard.

      Throws:
      org.eclipse.swt.SWTException -
      • ERROR_WIDGET_DISPOSED - if the receiver has been disposed
      • ERROR_THREAD_INVALID_ACCESS - if not called from the thread that created the receiver
      Since:
      3.3
    • createPopup

      protected void createPopup(String[][] items, int selectionIndex)
      Creates the pop-up for the items in question with specified selection.
      Parameters:
      items - The items.
      selectionIndex - The selected index, -1 for none.
    • cut

      public void cut()
      Cuts the selected text.

      The current selection is first copied to the clipboard and then deleted from the widget.

      Throws:
      org.eclipse.swt.SWTException -
      • ERROR_WIDGET_DISPOSED - if the receiver has been disposed.
      • ERROR_THREAD_INVALID_ACCESS - if not called from the thread that created the receiver.
    • deselect

      public void deselect(int index)
      Deselects the item at the given zero-relative index in the receiver's list. If the item at the index was already deselected, it remains deselected. Indices that are out of range are ignored.
      Parameters:
      index - The index of the item to deselect.
      Throws:
      org.eclipse.swt.SWTException -
      • ERROR_WIDGET_DISPOSED - if the receiver has been disposed.
      • ERROR_THREAD_INVALID_ACCESS - if not called from the thread that created the receiver.
    • deselectAll

      public void deselectAll()
      Deselects all selected items in the receiver's list.

      Note: To clear the selection in the receiver's text field, use clearSelection().

      Throws:
      org.eclipse.swt.SWTException -
      • ERROR_WIDGET_DISPOSED - if the receiver has been disposed
      • ERROR_THREAD_INVALID_ACCESS - if not called from the thread that created the receiver
      See Also:
    • _findMnemonic

      protected char _findMnemonic(String string)
      Return the lower case of the first non-'&' character following an '&' character in the given string. If there are no '&' characters in the given string, return '\0'.
      Parameters:
      string - The string for the mnemonic.
      Returns:
      The character, or '\0' if not found.
    • getAssociatedLabel

      protected String getAssociatedLabel()
      Return the Label immediately preceding the receiver in the z-order, or null if none.
      Returns:
      The string, or null if not found.
    • getChildren

      public org.eclipse.swt.widgets.Control[] getChildren()
      Gets the children of this component.
      Overrides:
      getChildren in class org.eclipse.swt.widgets.Composite
      Returns:
      An empty array, always.
    • getEditable

      public boolean getEditable()
      Gets the editable state.
      Returns:
      whether or not the receiver is editable.
      Throws:
      org.eclipse.swt.SWTException -
      • ERROR_WIDGET_DISPOSED - if the receiver has been disposed.
      • ERROR_THREAD_INVALID_ACCESS - if not called from the thread that created the receiver.
    • getItem

      public String[] getItem(int index)
      Returns the item at the given, zero-relative index in the receiver's list. Throws an exception if the index is out of range.
      Parameters:
      index - The index of the item to return.
      Returns:
      The item at the given index.
      Throws:
      IllegalArgumentException -
      • ERROR_INVALID_RANGE - if the index is not between 0 and the number of elements in the list minus 1 (inclusive).
      org.eclipse.swt.SWTException -
      • ERROR_WIDGET_DISPOSED - if the receiver has been disposed.
      • ERROR_THREAD_INVALID_ACCESS - if not called from the thread that created the receiver.
    • getItemCount

      public int getItemCount()
      Returns the number of items contained in the receiver's list.
      Returns:
      The number of items.
      Throws:
      org.eclipse.swt.SWTException -
      • ERROR_WIDGET_DISPOSED - if the receiver has been disposed.
      • ERROR_THREAD_INVALID_ACCESS - if not called from the thread that created the receiver.
    • getItemHeight

      public int getItemHeight()
      Returns the height of the area which would be used to display one of the items in the receiver's list.
      Returns:
      The height of one item.
      Throws:
      org.eclipse.swt.SWTException -
      • ERROR_WIDGET_DISPOSED - if the receiver has been disposed.
      • ERROR_THREAD_INVALID_ACCESS - if not called from the thread that created the receiver.
    • getItems

      public String[][] getItems()
      Returns an array of Strings which are the items in the receiver's list.

      Note: This is not the actual structure used by the receiver to maintain its list of items, so modifying the array will not affect the receiver.

      Returns:
      The items in the receiver's list.
      Throws:
      org.eclipse.swt.SWTException -
      • ERROR_WIDGET_DISPOSED - if the receiver has been disposed.
      • ERROR_THREAD_INVALID_ACCESS - if not called from the thread that created the receiver.
    • getSelection

      public org.eclipse.swt.graphics.Point getSelection()
      Returns a Point whose x coordinate is the start of the selection in the receiver's text field, and whose y coordinate is the end of the selection. The returned values are zero-relative. An "empty" selection as indicated by the the x and y coordinates having the same value.
      Returns:
      A point representing the selection start and end.
      Throws:
      org.eclipse.swt.SWTException -
      • ERROR_WIDGET_DISPOSED - if the receiver has been disposed.
      • ERROR_THREAD_INVALID_ACCESS - if not called from the thread that created the receiver.
    • getSelectionIndex

      public int getSelectionIndex()
      Returns the zero-relative index of the item which is currently selected in the receiver's list, or -1 if no item is selected.
      Returns:
      The index of the selected item.
      Throws:
      org.eclipse.swt.SWTException -
      • ERROR_WIDGET_DISPOSED - if the receiver has been disposed.
      • ERROR_THREAD_INVALID_ACCESS - if not called from the thread that created the receiver.
    • getShell

      public org.eclipse.swt.widgets.Shell getShell()
      Gets the shell of the combobox.
      Overrides:
      getShell in class org.eclipse.swt.widgets.Control
    • getStyle

      public int getStyle()
      Gets the combobox style.
      Overrides:
      getStyle in class org.eclipse.swt.widgets.Widget
    • getText

      public String getText()
      Returns a string containing a copy of the contents of the receiver's text field.
      Returns:
      The receiver's text.
      Throws:
      org.eclipse.swt.SWTException -
      • ERROR_WIDGET_DISPOSED - if the receiver has been disposed.
      • ERROR_THREAD_INVALID_ACCESS - if not called from the thread that created the receiver.
    • getTextHeight

      public int getTextHeight()
      Returns the height of the receivers's text field.
      Returns:
      The text height.
      Throws:
      org.eclipse.swt.SWTException -
      • ERROR_WIDGET_DISPOSED - if the receiver has been disposed.
      • ERROR_THREAD_INVALID_ACCESS - if not called from the thread that created the receiver.
    • getTextLimit

      public int getTextLimit()
      Returns the maximum number of characters that the receiver's text field is capable of holding. If this has not been changed by setTextLimit(), it will be the constant Combo.LIMIT.
      Returns:
      The text limit.
      Throws:
      org.eclipse.swt.SWTException -
      • ERROR_WIDGET_DISPOSED - if the receiver has been disposed
      • ERROR_THREAD_INVALID_ACCESS - if not called from the thread that created the receiver
    • getVisibleItemCount

      public int getVisibleItemCount()
      Gets the number of items that are visible in the drop down portion of the receiver's list.
      Returns:
      The number of items that are visible.
      Throws:
      org.eclipse.swt.SWTException -
      • ERROR_WIDGET_DISPOSED - if the receiver has been disposed.
      • ERROR_THREAD_INVALID_ACCESS - if not called from the thread that created the receiver.
    • handleFocus

      protected void handleFocus(int type)
      Processes focus.
      Parameters:
      type - FocusIn or FocusOut.
    • indexOf

      public int indexOf(String string)
      Searches the receiver's list starting at the first item (index 0) until an item is found that is equal to the argument, and returns the index of that item. If no item is found, returns -1.
      Parameters:
      string - The search item.
      Returns:
      The index of the item.
      Throws:
      IllegalArgumentException -
      • ERROR_NULL_ARGUMENT - if the string is null.
      org.eclipse.swt.SWTException -
      • ERROR_WIDGET_DISPOSED - if the receiver has been disposed.
      • ERROR_THREAD_INVALID_ACCESS - if not called from the thread that created the receiver.
    • indexOf

      public int indexOf(String string, int start)
      Searches the receiver's list starting at the given, zero-relative index until an item is found that is equal to the argument, and returns the index of that item. If no item is found or the starting index is out of range, returns -1.
      Parameters:
      string - The search item.
      start - The zero-relative index at which to begin the search.
      Returns:
      The index of the item
      Throws:
      IllegalArgumentException -
      • ERROR_NULL_ARGUMENT - if the string is null.
      org.eclipse.swt.SWTException -
      • ERROR_WIDGET_DISPOSED - if the receiver has been disposed.
      • ERROR_THREAD_INVALID_ACCESS - if not called from the thread that created the receiver.
    • initAccessible

      protected void initAccessible()
      Initializes the accessible support.
    • isDropped

      public boolean isDropped()
      Checks drop-down is down.
      Returns:
      true if dropped down.
    • isFocusControl

      public boolean isFocusControl()
      Checks if the combobox has focus.
      Overrides:
      isFocusControl in class org.eclipse.swt.widgets.Control
    • isParentScrolling

      protected boolean isParentScrolling(org.eclipse.swt.widgets.Control scrollableParent)
      Checks if the parent is scrolling.
      Parameters:
      scrollableParent - A scrollable parent.
      Returns:
      Flag for parent is scrolling.
    • paste

      public void paste()
      Pastes text from clipboard.

      The selected text is deleted from the widget and new text inserted from the clipboard.

      Throws:
      org.eclipse.swt.SWTException -
      • ERROR_WIDGET_DISPOSED - if the receiver has been disposed.
      • ERROR_THREAD_INVALID_ACCESS - if not called from the thread that created the receiver.
    • redraw

      public void redraw()
      Redraws the combobox.
      Overrides:
      redraw in class org.eclipse.swt.widgets.Control
    • redraw

      public void redraw(int x, int y, int width, int height, boolean all)
      Redraws a part of the control, overridden to always include children.
      Overrides:
      redraw in class org.eclipse.swt.widgets.Control
    • removeAll

      public void removeAll()
      Removes all of the items from the receiver's list, but leaves the contents of receiver's text field.
      Throws:
      org.eclipse.swt.SWTException -
      • ERROR_WIDGET_DISPOSED - if the receiver has been disposed.
      • ERROR_THREAD_INVALID_ACCESS - if not called from the thread that created the receiver.
    • removeModifyListener

      public void removeModifyListener(org.eclipse.swt.events.ModifyListener listener)
      Removes the listener from the collection of listeners who will be notified when the receiver's text is modified.
      Parameters:
      listener - The listener which should no longer be notified.
      Throws:
      IllegalArgumentException -
      • ERROR_NULL_ARGUMENT - if the listener is null.
      org.eclipse.swt.SWTException -
      • ERROR_WIDGET_DISPOSED - if the receiver has been disposed.
      • ERROR_THREAD_INVALID_ACCESS - if not called from the thread that created the receiver.
      See Also:
    • removeSelectionListener

      public void removeSelectionListener(org.eclipse.swt.events.SelectionListener listener)
      Removes the listener from the collection of listeners who will be notified when the user changes the receiver's selection.
      Parameters:
      listener - The listener which should no longer be notified.
      Throws:
      IllegalArgumentException -
      • ERROR_NULL_ARGUMENT - if the listener is null.
      org.eclipse.swt.SWTException -
      • ERROR_WIDGET_DISPOSED - if the receiver has been disposed.
      • ERROR_THREAD_INVALID_ACCESS - if not called from the thread that created the receiver.
      See Also:
    • removeVerifyListener

      public void removeVerifyListener(org.eclipse.swt.events.VerifyListener listener)
      Removes the listener from the collection of listeners who will be notified when the control is verified.
      Parameters:
      listener - The listener which should no longer be notified.
      Throws:
      IllegalArgumentException -
      • ERROR_NULL_ARGUMENT - if the listener is null.
      org.eclipse.swt.SWTException -
      • ERROR_WIDGET_DISPOSED - if the receiver has been disposed.
      • ERROR_THREAD_INVALID_ACCESS - if not called from the thread that created the receiver.
      Since:
      3.3
      See Also:
    • select

      public void select(int index)
      Selects the item at the given zero-relative index in the receiver's list. If the item at the index was already selected, it remains selected. Indices that are out of range are ignored.
      Parameters:
      index - The index of the item to select.
      Throws:
      org.eclipse.swt.SWTException -
      • ERROR_WIDGET_DISPOSED - if the receiver has been disposed.
      • ERROR_THREAD_INVALID_ACCESS - if not called from the thread that created the receiver.
    • setBackground

      public void setBackground(org.eclipse.swt.graphics.Color color)
      Sets the background.
      Overrides:
      setBackground in class org.eclipse.swt.widgets.Control
      Parameters:
      color - The color.
      Throws:
      org.eclipse.swt.SWTException -
      • ERROR_WIDGET_DISPOSED - if the receiver has been disposed.
      • ERROR_THREAD_INVALID_ACCESS - if not called from the thread that created the receiver.
    • setForeground

      public void setForeground(org.eclipse.swt.graphics.Color color)
      Sets the foreground.
      Overrides:
      setForeground in class org.eclipse.swt.widgets.Control
      Parameters:
      color - The color.
      Throws:
      org.eclipse.swt.SWTException -
      • ERROR_WIDGET_DISPOSED - if the receiver has been disposed.
      • ERROR_THREAD_INVALID_ACCESS - if not called from the thread that created the receiver.
    • setEditable

      public void setEditable(boolean editable)
      Sets the editable state.
      Parameters:
      editable - The new editable state.
      Throws:
      org.eclipse.swt.SWTException -
      • ERROR_WIDGET_DISPOSED - if the receiver has been disposed.
      • ERROR_THREAD_INVALID_ACCESS - if not called from the thread that created the receiver.
    • setEnabled

      public void setEnabled(boolean enabled)
      Sets the enabled state.
      Overrides:
      setEnabled in class org.eclipse.swt.widgets.Control
      Parameters:
      enabled - The new enabled state.
      Throws:
      org.eclipse.swt.SWTException -
      • ERROR_WIDGET_DISPOSED - if the receiver has been disposed.
      • ERROR_THREAD_INVALID_ACCESS - if not called from the thread that created the receiver.
    • setFocus

      public boolean setFocus()
      Sets the focus.
      Overrides:
      setFocus in class org.eclipse.swt.widgets.Composite
      Throws:
      org.eclipse.swt.SWTException -
      • ERROR_WIDGET_DISPOSED - if the receiver has been disposed.
      • ERROR_THREAD_INVALID_ACCESS - if not called from the thread that created the receiver.
    • setFont

      public void setFont(org.eclipse.swt.graphics.Font font)
      Sets the font.
      Overrides:
      setFont in class org.eclipse.swt.widgets.Control
      Parameters:
      font - The font.
      Throws:
      org.eclipse.swt.SWTException -
      • ERROR_WIDGET_DISPOSED - if the receiver has been disposed.
      • ERROR_THREAD_INVALID_ACCESS - if not called from the thread that created the receiver.
    • setLayout

      public void setLayout(org.eclipse.swt.widgets.Layout layout)
      Sets the layout which is associated with the receiver to be the argument which may be null.

      Note: No Layout can be set on this Control because it already manages the size and position of its children.

      Overrides:
      setLayout in class org.eclipse.swt.widgets.Composite
      Parameters:
      layout - The receiver's new layout -- IGNORED!
    • setListVisible

      public void setListVisible(boolean visible)
      Marks the receiver's list as visible if the argument is true, and marks it invisible otherwise.

      If one of the receiver's ancestors is not visible or some other condition makes the receiver not visible, marking it visible may not actually cause it to be displayed.

      Parameters:
      visible - The new visibility state.
      Throws:
      org.eclipse.swt.SWTException -
      • ERROR_WIDGET_DISPOSED - if the receiver has been disposed.
      • ERROR_THREAD_INVALID_ACCESS - if not called from the thread that created the receiver.
    • setSelection

      public void setSelection(org.eclipse.swt.graphics.Point selection)
      Sets the selection in the receiver's text field to the range specified by the argument whose x coordinate is the start of the selection and whose y coordinate is the end of the selection.
      Parameters:
      selection - A point representing the new selection start and end.
      Throws:
      IllegalArgumentException -
      • ERROR_NULL_ARGUMENT - if the point is null.
      org.eclipse.swt.SWTException -
      • ERROR_WIDGET_DISPOSED - if the receiver has been disposed.
      • ERROR_THREAD_INVALID_ACCESS - if not called from the thread that created the receiver.
    • setText

      public void setText(String string)
      Sets the contents of the receiver's text field to the given string.

      Note: The text field in a Combo is typically only capable of displaying a single line of text. Thus, setting the text to a string containing line breaks or other special characters will probably cause it to display incorrectly.

      Parameters:
      string - The new text.
      Throws:
      IllegalArgumentException -
      • ERROR_NULL_ARGUMENT - if the string is null.
      org.eclipse.swt.SWTException -
      • ERROR_WIDGET_DISPOSED - if the receiver has been disposed.
      • ERROR_THREAD_INVALID_ACCESS - if not called from the thread that created the receiver.
    • setTextLimit

      public void setTextLimit(int limit)
      Sets the maximum number of characters that the receiver's text field is capable of holding to be the argument.
      Parameters:
      limit - New text limit.
      Throws:
      IllegalArgumentException -
      • ERROR_CANNOT_BE_ZERO - if the limit is zero.
      org.eclipse.swt.SWTException -
      • ERROR_WIDGET_DISPOSED - if the receiver has been disposed.
      • ERROR_THREAD_INVALID_ACCESS - if not called from the thread that created the receiver.
    • setToolTipText

      public void setToolTipText(String string)
      Sets the tooltip text.
      Overrides:
      setToolTipText in class org.eclipse.swt.widgets.Control
      Parameters:
      string - The text, or null for none.
      Throws:
      org.eclipse.swt.SWTException -
      • ERROR_WIDGET_DISPOSED - if the receiver has been disposed.
      • ERROR_THREAD_INVALID_ACCESS - if not called from the thread that created the receiver.
    • setVisible

      public void setVisible(boolean visible)
      Sets the component visibility state.
      Overrides:
      setVisible in class org.eclipse.swt.widgets.Control
      Parameters:
      visible - The new visibility state.
      Throws:
      org.eclipse.swt.SWTException -
      • ERROR_WIDGET_DISPOSED - if the receiver has been disposed.
      • ERROR_THREAD_INVALID_ACCESS - if not called from the thread that created the receiver.
    • setVisibleItemCount

      public void setVisibleItemCount(int count)
      Sets the number of items that are visible in the drop down portion of the receiver's list.
      Parameters:
      count - The new number of items to be visible.
      Throws:
      org.eclipse.swt.SWTException -
      • ERROR_WIDGET_DISPOSED - if the receiver has been disposed.
      • ERROR_THREAD_INVALID_ACCESS - if not called from the thread that created the receiver.
    • stripMnemonic

      protected String stripMnemonic(String string)
      Strips the mnemonic from a string.
      Parameters:
      string - The string.
      Returns:
      String without mnemonic.
    • textEvent

      protected void textEvent(org.eclipse.swt.widgets.Event event)
      Processes the text events.
      Parameters:
      event - The raw SWT event.
    • traverse

      public boolean traverse(int event)
      Processes the traverse event.
      Overrides:
      traverse in class org.eclipse.swt.widgets.Control
      Parameters:
      event - The SWT event ID.