Class 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 _shell  
      protected org.eclipse.swt.widgets.Button arrow  
      protected org.eclipse.swt.graphics.Color background  
      protected org.eclipse.swt.widgets.Listener filter  
      protected org.eclipse.swt.graphics.Font font  
      protected org.eclipse.swt.graphics.Color foreground  
      protected boolean hasFocus  
      protected org.eclipse.swt.widgets.Listener listener  
      protected org.eclipse.swt.widgets.Shell popup  
      protected org.eclipse.swt.widgets.Table table  
      protected org.eclipse.swt.widgets.Text text  
      protected int visibleItemCount  
      • 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

      All Methods Instance Methods Concrete Methods 
      Modifier and Type Method Description
      protected char _findMnemonic​(java.lang.String string)
      Return the lower case of the first non-'&' character following an '&' character in the given string.
      org.eclipse.swt.widgets.TableItem add​(java.lang.String[] strings)
      Adds the argument to the end of the receiver's list.
      org.eclipse.swt.widgets.TableItem add​(java.lang.String col1, java.lang.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 clearSelection()
      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 copy()
      Copies the selected text.
      protected void createPopup​(java.lang.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 deselectAll()
      Deselects all selected items in the receiver's list.
      protected java.lang.String getAssociatedLabel()
      Return the Label immediately preceding the receiver in the z-order, or null if none.
      org.eclipse.swt.widgets.Control[] getChildren()
      Gets the children of this component.
      boolean getEditable()
      Gets the editable state.
      java.lang.String[] getItem​(int index)
      Returns the item at the given, zero-relative index in the receiver's list.
      int getItemCount()
      Returns the number of items contained in the receiver's list.
      int getItemHeight()
      Returns the height of the area which would be used to display one of the items in the receiver's list.
      java.lang.String[][] getItems()
      Returns an array of Strings which are the items in the receiver's list.
      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.
      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.
      org.eclipse.swt.widgets.Shell getShell()
      Gets the shell of the combobox.
      int getStyle()
      Gets the combobox style.
      java.lang.String getText()
      Returns a string containing a copy of the contents of the receiver's text field.
      org.eclipse.swt.widgets.Text getTextControl()
      Gets the text field for input.
      int getTextHeight()
      Returns the height of the receivers's text field.
      int getTextLimit()
      Returns the maximum number of characters that the receiver's text field is capable of holding.
      int getVisibleItemCount()
      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​(java.lang.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​(java.lang.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 initAccessible()
      Initializes the accessible support.
      boolean isDropped()
      Checks drop-down is down.
      boolean isFocusControl()
      Checks if the combobox has focus.
      protected boolean isParentScrolling​(org.eclipse.swt.widgets.Control scrollableParent)
      Checks if the parent is scrolling.
      void paste()
      Pastes text from clipboard.
      void redraw()
      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 removeAll()
      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 setFocus()
      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​(java.lang.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 setToolTipText​(java.lang.String string)
      Sets the tooltip text.
      void setVisible​(boolean visible)
      Sets the component visibility state.
      void setVisibleItemCount​(int count)
      Sets the number of items that are visible in the drop down portion of the receiver's list.
      protected java.lang.String stripMnemonic​(java.lang.String 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
      • 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, toString
      • 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 Detail

      • text

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

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

        protected int visibleItemCount
      • popup

        protected org.eclipse.swt.widgets.Shell popup
      • 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 Detail

      • 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:
        java.lang.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 Detail

      • getTextControl

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

        public org.eclipse.swt.widgets.TableItem add​(java.lang.String col1,
                                                     java.lang.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:
        java.lang.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​(java.lang.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:
        java.lang.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:
        java.lang.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:
        ModifyListener, removeModifyListener(org.eclipse.swt.events.ModifyListener)
      • 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:
        java.lang.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:
        SelectionListener, removeSelectionListener(org.eclipse.swt.events.SelectionListener), SelectionEvent
      • 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:
        java.lang.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:
        VerifyListener, removeVerifyListener(org.eclipse.swt.events.VerifyListener)
      • 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:
        deselectAll()
      • 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​(java.lang.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:
        clearSelection()
      • _findMnemonic

        protected char _findMnemonic​(java.lang.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 java.lang.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 java.lang.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:
        java.lang.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 java.lang.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 java.lang.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​(java.lang.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:
        java.lang.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​(java.lang.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:
        java.lang.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:
        java.lang.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:
        ModifyListener, addModifyListener(org.eclipse.swt.events.ModifyListener)
      • 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:
        java.lang.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:
        SelectionListener, addSelectionListener(org.eclipse.swt.events.SelectionListener)
      • 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:
        java.lang.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:
        VerifyListener, addVerifyListener(org.eclipse.swt.events.VerifyListener)
      • 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:
        java.lang.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​(java.lang.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:
        java.lang.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:
        java.lang.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​(java.lang.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 java.lang.String stripMnemonic​(java.lang.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.