ch.marlovits.plz
Class MCCombo2

java.lang.Object
  Composite
      ch.marlovits.plz.MCCombo2

public final class MCCombo2
extends Composite

Constructor Summary

MCCombo2(Composite parent, int style)
new methods for this new Composite END

Method Summary

void	add(java.lang.String[] strings) Adds the argument to the end of the receiver's list.
void	add(java.lang.String[] strings, int index) Adds the argument to the receiver's list at the given zero-relative index.
void	addModifyListener(ModifyListener listener) Adds the 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(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(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.
void	clearSelection() Sets the selection in the receiver's text field to an empty selection starting just before the first character.
Point	computeSize(int wHint, int hHint, boolean changed)
Point	computeSize(int listIx, int wHint, int hHint, boolean changed) calc comboBox field size: loop through items, find widest string (in pixels)
void	copy() Copies the selected text.
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.
Control[]	getChildren()
int	getColumnLeftMargin()
int	getColumnRightMargin()
int	getColumnSpacing()
Color	getDividerLineColor()
boolean	getDrawDividerLines()
boolean	getEditable() Gets the editable state.
java.lang.String[]	getItem(int rowIx)
java.lang.String	getItem(int columnIx, int rowIx) 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.
java.lang.String[]	getItems(int columnIx)
boolean	getListVisible() Returns true if the receiver's list is visible, and false otherwise.
Menu	getMenu()
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.
int	getStyle()
java.lang.String	getText() Returns a string containing a copy of the contents of the receiver's text field.
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.
int	indexOf(int columnIx, 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(int columnIx, java.lang.String string, int start)
int	indexOf(java.lang.String string)
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.
boolean	isFocusControl()
void	paste() Pastes text from clipboard.
void	redraw()
void	redraw(int x, int y, int width, int height, boolean all)
void	remove(int index) Removes the item from the receiver's list at the given zero-relative index.
void	remove(int start, int end) Removes the items from the receiver's list which are between the given zero-relative start and end indices (inclusive).
void	remove(int columnIx, java.lang.String string)
void	remove(java.lang.String string) Searches the receiver's list starting at the first item until an item is found that is equal to the argument, and removes that item from the list.
void	removeAll() Removes all of the items from the receiver's list and clear the contents of receiver's text field.
void	removeModifyListener(ModifyListener listener) Removes the listener from the collection of listeners who will be notified when the receiver's text is modified.
void	removeSelectionListener(SelectionListener listener) Removes the listener from the collection of listeners who will be notified when the user changes the receiver's selection.
void	removeVerifyListener(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(Color color)
void	setColumnLeftMargin(int newLeftMargin)
void	setColumnRightMargin(int newRightMargin)
void	setColumnSpacing(int colSpacing)
void	setDividerLineColor(Color newColor)
void	setDividerLineColor(int newColor)
void	setDrawDividerLines(boolean doDrawDividerLines) new methods for this new Composite START
void	setEditable(boolean editable) Sets the editable state.
void	setEnabled(boolean enabled)
boolean	setFocus()
void	setFont(Font font)
void	setForeground(Color color)
void	setItem(int columnIx, int index, java.lang.String string) Sets the text of the item in the receiver's list at the given zero-relative index to the string argument.
void	setItem(int index, java.lang.String[] items)
void	setItems(int columnIx, java.lang.String[] items) Sets the receiver's list to be the given array of items.
void	setItems(java.lang.String[][] items)
void	setLayout(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	setMenu(Menu menu)
void	setSelection(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)
void	setVisible(boolean visible)
void	setVisibleItemCount(int count) Sets the number of items that are visible in the drop down portion of the receiver's list.

Methods inherited from class java.lang.Object

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

Constructor Detail

MCCombo2

public MCCombo2(Composite parent,
                int style)

new methods for this new Composite END

Method Detail

setDrawDividerLines

public void setDrawDividerLines(boolean doDrawDividerLines)

new methods for this new Composite START

getDrawDividerLines

public boolean getDrawDividerLines()

setDividerLineColor

public void setDividerLineColor(int newColor)

setDividerLineColor

public void setDividerLineColor(Color newColor)

getDividerLineColor

public Color getDividerLineColor()

setColumnSpacing

public void setColumnSpacing(int colSpacing)

getColumnSpacing

public int getColumnSpacing()

setColumnLeftMargin

public void setColumnLeftMargin(int newLeftMargin)

getColumnLeftMargin

public int getColumnLeftMargin()

setColumnRightMargin

public void setColumnRightMargin(int newRightMargin)

getColumnRightMargin

public int getColumnRightMargin()

add

public void add(java.lang.String[] strings)

Adds the argument to the end of the receiver's list.

Parameters:

string - the new item

Throws:

java.lang.IllegalArgumentException -

• ERROR_NULL_ARGUMENT - if the string is null

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:

#add(String,int)

add

public void add(java.lang.String[] strings,
                int index)

Adds the argument to the receiver's list at the given zero-relative index.

Note: To add an item at the end of the list, use the result of calling getItemCount() as the index or use add(String).

Parameters:

string - the new item

index - the index for the item

Throws:

java.lang.IllegalArgumentException -

• ERROR_NULL_ARGUMENT - if the string is null
• ERROR_INVALID_RANGE - if the index is not between 0 and the number of elements in the list (inclusive)

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:

#add(String)

addModifyListener

public void addModifyListener(ModifyListener listener)

Adds the 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

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(ModifyListener)

addSelectionListener

public void addSelectionListener(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

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(SelectionListener), SelectionEvent

addVerifyListener

public void addVerifyListener(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

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, removeVerifyListener(VerifyListener)

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:

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()

computeSize

public Point computeSize(int listIx,
                         int wHint,
                         int hHint,
                         boolean changed)

calc comboBox field size: loop through items, find widest string (in pixels)

computeSize

public Point computeSize(int wHint,
                         int hHint,
                         boolean changed)

copy

public void copy()

Copies the selected text.

The current selection is copied to the clipboard.

Throws:

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

cut

public void cut()

Cuts the selected text.

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

Throws:

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

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:

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:

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()

getChildren

public Control[] getChildren()

getEditable

public boolean getEditable()

Gets the editable state.

Returns:

whether or not the receiver is editable

Throws:

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:

3.0

getItem

public java.lang.String getItem(int columnIx,
                                int rowIx)

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)

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 rowIx)

getItemCount

public int getItemCount()

Returns the number of items contained in the receiver's list.

Returns:

the number of items

Throws:

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:

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:

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(int columnIx)

getListVisible

public boolean getListVisible()

Returns true if the receiver's list is visible, and false otherwise.

If one of the receiver's ancestors is not visible or some other condition makes the receiver not visible, this method may still indicate that it is considered visible even though it may not actually be showing.

Returns:

the receiver's list's visibility state

Throws:

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:

3.4

getMenu

public Menu getMenu()

getSelection

public 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:

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:

SWTException -

• ERROR_WIDGET_DISPOSED - if the receiver has been disposed
• ERROR_THREAD_INVALID_ACCESS - if not called from the thread that created the receiver

getStyle

public int getStyle()

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:

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:

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:

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:

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:

3.0

indexOf

public int indexOf(int columnIx,
                   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

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)

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

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(int columnIx,
                   java.lang.String string,
                   int start)

isFocusControl

public boolean isFocusControl()

paste

public void paste()

Pastes text from clipboard.

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

Throws:

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

redraw

public void redraw()

redraw

public void redraw(int x,
                   int y,
                   int width,
                   int height,
                   boolean all)

remove

public void remove(int index)

Removes the item from the receiver's list at the given zero-relative index.

Parameters:

index - the index for the item

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)

SWTException -

• ERROR_WIDGET_DISPOSED - if the receiver has been disposed
• ERROR_THREAD_INVALID_ACCESS - if not called from the thread that created the receiver

remove

public void remove(int start,
                   int end)

Removes the items from the receiver's list which are between the given zero-relative start and end indices (inclusive).

Parameters:

start - the start of the range

end - the end of the range

Throws:

java.lang.IllegalArgumentException -

• ERROR_INVALID_RANGE - if either the start or end are not between 0 and the number of elements in the list minus 1 (inclusive)

SWTException -

• ERROR_WIDGET_DISPOSED - if the receiver has been disposed
• ERROR_THREAD_INVALID_ACCESS - if not called from the thread that created the receiver

remove

public void remove(java.lang.String string)

Searches the receiver's list starting at the first item until an item is found that is equal to the argument, and removes that item from the list.

Parameters:

string - the item to remove

Throws:

java.lang.IllegalArgumentException -

• ERROR_NULL_ARGUMENT - if the string is null
• ERROR_INVALID_ARGUMENT - if the string is not found in the list

SWTException -

• ERROR_WIDGET_DISPOSED - if the receiver has been disposed
• ERROR_THREAD_INVALID_ACCESS - if not called from the thread that created the receiver

remove

public void remove(int columnIx,
                   java.lang.String string)

removeAll

public void removeAll()

Removes all of the items from the receiver's list and clear the contents of receiver's text field.

Throws:

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(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

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(ModifyListener)

removeSelectionListener

public void removeSelectionListener(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

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(SelectionListener)

removeVerifyListener

public void removeVerifyListener(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

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(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:

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(Color color)

setEditable

public void setEditable(boolean editable)

Sets the editable state.

Parameters:

editable - the new editable state

Throws:

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:

3.0

setEnabled

public void setEnabled(boolean enabled)

setFocus

public boolean setFocus()

setFont

public void setFont(Font font)

setForeground

public void setForeground(Color color)

setItem

public void setItem(int columnIx,
                    int index,
                    java.lang.String string)

Sets the text of the item in the receiver's list at the given zero-relative index to the string argument. This is equivalent to remove'ing the old item at the index, and then add'ing the new item at that index.

Parameters:

index - the index for the item

string - the new text for the item

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)
• ERROR_NULL_ARGUMENT - if the string is null

SWTException -

• ERROR_WIDGET_DISPOSED - if the receiver has been disposed
• ERROR_THREAD_INVALID_ACCESS - if not called from the thread that created the receiver

setItem

public void setItem(int index,
                    java.lang.String[] items)

setItems

public void setItems(int columnIx,
                     java.lang.String[] items)

Sets the receiver's list to be the given array of items.

Parameters:

items - the array of items

Throws:

java.lang.IllegalArgumentException -

• ERROR_NULL_ARGUMENT - if the items array is null
• ERROR_INVALID_ARGUMENT - if an item in the items array is null

SWTException -

• ERROR_WIDGET_DISPOSED - if the receiver has been disposed
• ERROR_THREAD_INVALID_ACCESS - if not called from the thread that created the receiver

setItems

public void setItems(java.lang.String[][] items)

setLayout

public void setLayout(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.

Parameters:

layout - the receiver's new layout or null

Throws:

SWTException -

• ERROR_WIDGET_DISPOSED - if the receiver has been disposed
• ERROR_THREAD_INVALID_ACCESS - if not called from the thread that created the receiver

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:

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:

3.4

setMenu

public void setMenu(Menu menu)

setSelection

public void setSelection(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

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

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

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)

setVisible

public void setVisible(boolean visible)

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:

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:

3.0