Lerking/gtk
1
0
Fork 0
Code Issues Pull Requests Actions Packages Projects Releases Wiki Activity

update from Paul Schifferer <isengard@geocities.com>

Browse Source 
2000-01-08  Damon Chaplin  <damon@karuna.freeserve.co.uk>

	* gtk/tmpl/gtkclist.sgml: update from Paul Schifferer
	<isengard@geocities.com>
This commit is contained in:
Damon Chaplin
2000-01-08 21:43:42 +00:00
committed by Damon Chaplin
parent 6aba663522
commit 4be016b20b
2 changed files with 267 additions and 228 deletions
Download Patch File Download Diff File Expand all files Collapse all files

5
docs/reference/ChangeLog
View File

@@ -1,3 +1,8 @@
2000-01-08 Damon Chaplin <damon@karuna.freeserve.co.uk>
* gtk/tmpl/gtkclist.sgml: update from Paul Schifferer
<isengard@geocities.com>
Wed Jan 5 10:23:41 2000 Owen Taylor <otaylor@redhat.com>
* gtk/tmpl/gtkprogress.sgml: Missing </listitem>, remove extra <para>

490
docs/reference/gtk/tmpl/gtkclist.sgml
View File

@@ -8,7 +8,6 @@ A multi-columned scrolling list widget.
<para>
The #GtkCList widget is a very useful multi-columned scrolling list. It can display
data in nicely aligned vertical columns, with titles at the top of the list.
FIXME: More info
</para>
<!-- ##### SECTION See_Also ##### -->
@@ -18,14 +17,16 @@ FIXME: More info
<!-- ##### STRUCT GtkCList ##### -->
<para>
This is the embodiment of the #GtkCList widget.
This is the embodiment of the #GtkCList widget. This structure contains
only private data, and should be accessed only via the CList API.
</para>
<!-- ##### ENUM GtkCellType ##### -->
<para>
Identifies the type of element in the current cell of the CList. Cells can
contain text, pixmaps, or even other widgets.
contain text, pixmaps, or both. Unfortunately support for %GTK_CELL_WIDGET
was never completed.
</para>
@GTK_CELL_EMPTY:
@@ -36,7 +37,8 @@ contain text, pixmaps, or even other widgets.
<!-- ##### ENUM GtkButtonAction ##### -->
<para>
Values for specifying what mouse button events a CList will
react to.
</para>
@GTK_BUTTON_IGNORED:
@@ -80,10 +82,10 @@ A macro to check whether the #GtkCList is in "drag mode."
<!-- ##### MACRO GTK_CLIST_ROW_HEIGHT_SET ##### -->
<para>
A macro to check whether the #GtkCList's row height is set.
</para>
@clist:
@clist: The #GtkCList to check.
<!-- ##### MACRO GTK_CLIST_SHOW_TITLES ##### -->
@@ -106,58 +108,66 @@ has the focus.
<!-- ##### MACRO GTK_CLIST_ADD_MODE ##### -->
<para>
A macro to test whether the CList is in "add mode."
</para>
@clist:
@clist: The #GtkCList widget to check.
<!-- ##### MACRO GTK_CLIST_AUTO_SORT ##### -->
<para>
A macro to test whether the CList has automatic sorting
switched on.
</para>
@clist:
@clist: The #GtkCList widget to check.
<!-- ##### MACRO GTK_CLIST_AUTO_RESIZE_BLOCKED ##### -->
<para>
A macro to check if automatic resizing of columns is blocked.
</para>
@clist:
@clist: The #GtkCList widget to check.
<!-- ##### MACRO GTK_CLIST_REORDERABLE ##### -->
<para>
A macro to test if the CList's columns are re-orderable
</para>
@clist:
@clist: The #GtkCList widget to check.
<!-- ##### MACRO GTK_CLIST_USE_DRAG_ICONS ##### -->
<para>
A macro to check if the USE_DRAG_ICONS property is enabled.
</para>
@clist:
@clist: The #GtkCList widget to check.
<!-- ##### MACRO GTK_CLIST_DRAW_DRAG_LINE ##### -->
<para>
A macro to check if the DRAW_DRAG_LINE property is enabled.
</para>
@clist:
@clist: The #GtkCList widget to check.
<!-- ##### MACRO GTK_CLIST_DRAW_DRAG_RECT ##### -->
<para>
A macro to check if the DRAW_DRAG_RECT property is enabled.
</para>
@clist:
@clist: The #GtkCList widget to check.
<!-- ##### MACRO GTK_CLIST_ROW ##### -->
@@ -202,13 +212,15 @@ A macro to cast a generic #GtkCList cell item to a GtkCellWidget pointer.
<!-- ##### USER_FUNCTION GtkCListCompareFunc ##### -->
<para>
Function prototype for the compare function callback.
</para>
@clist:
@ptr1:
@ptr2:
@Returns:
@clist: The #GtkCList that is affected.
@ptr1: A #gconstpointer to the first node to compare.
@ptr2: A #gconstpointer to the second node to compare.
@Returns: 0 if the nodes are equal, less than 0 if the first node should
come before the second, and greater than 1 if the second come before the
first.
<!-- ##### STRUCT GtkCListColumn ##### -->
@@ -314,7 +326,8 @@ contents of each of its cells.
<!-- ##### STRUCT GtkCListCellInfo ##### -->
<para>
A simple structure that the #GtkCList widget uses to keep track
of the location of a cell.
</para>
@row:
@@ -322,7 +335,8 @@ contents of each of its cells.
<!-- ##### STRUCT GtkCListDestInfo ##### -->
<para>
A simple structure that the #GtkCList widget uses to track
a cell for a drag operation.
</para>
@cell:
@@ -330,7 +344,7 @@ contents of each of its cells.
<!-- ##### ENUM GtkCListDragPos ##### -->
<para>
An enumeration for drag operations.
</para>
@GTK_CLIST_DRAG_NONE:
@@ -599,312 +613,315 @@ automatically to data in the row.
<!-- ##### FUNCTION gtk_clist_moveto ##### -->
<para>
Tells the CList widget to visually move to the specified
row and column.
</para>
@clist: The #GtkCList to affect.
@row:
@column:
@row_align:
@col_align:
@row: The row to which to move.
@column: The column to which to move.
@row_align: A value between 0 and 1 that describes the positioning of
the row in relation to the viewable area of the CList's contents.
@col_align: A value between 0 and 1 that describes the positioning of
the column in relation to the viewable area of the CList's contents.
<!-- ##### FUNCTION gtk_clist_row_is_visible ##### -->
<para>
Checks how the specified row is visible.
</para>
@clist:
@row:
@Returns:
@clist: The #GtkCList to affect.
@row: The row to query.
@Returns: A #GtkVisibility value that tells you how the row is visible.
<!-- ##### FUNCTION gtk_clist_get_cell_type ##### -->
<para>
Checks the type of cell at the location specified.
</para>
@clist:
@row:
@column:
@Returns:
@clist: The #GtkCList to affect.
@row: The row of the cell.
@column: The column of the cell.
@Returns: A #GtkCellType value describing the cell.
<!-- ##### FUNCTION gtk_clist_set_text ##### -->
<para>
Sets the displayed text in the specified cell.
</para>
@clist: The #GtkCList to affect.
@row:
@column:
@text:
@row: The row of the cell.
@column: The column of the cell.
@text: The text to set in the cell.
<!-- ##### FUNCTION gtk_clist_get_text ##### -->
<para>
Gets the text for the specified cell.
</para>
@clist:
@row:
@column:
@text:
@Returns:
@clist: The #GtkCList to affect.
@row: The row to query.
@column: The column to query.
@text: A pointer to a pointer to store the text.
@Returns: 1 if the cell's text could be retrieved, 0 otherwise.
<!-- ##### FUNCTION gtk_clist_set_pixmap ##### -->
<para>
Sets a pixmap for the specified cell.
</para>
@clist: The #GtkCList to affect.
@row:
@column:
@pixmap:
@mask:
@row: The row of the cell.
@column: The column of the cell.
@pixmap: A pointer to a #GdkPixmap to place in the cell.
@mask: A pointer to a #GdkBitmap mask for the cell.
<!-- ##### FUNCTION gtk_clist_get_pixmap ##### -->
<para>
Gets the pixmap and bitmap mask of the specified cell. The returned mask value can be NULL.
</para>
@clist:
@row:
@column:
@pixmap:
@mask:
@Returns:
@clist: The #GtkCList to affect.
@row: The row of the cell.
@column: The column of the cell.
@pixmap: A pointer to a pointer to store the cell's #GdkPixmap.
@mask: A pointer to a pointer to store the cell's #GdkBitmap mask.
@Returns: 1 if the cell's pixmap could be retrieved, 0 otherwise.
<!-- ##### FUNCTION gtk_clist_set_pixtext ##### -->
<para>
Sets text and a pixmap/bitmap on the specified cell.
</para>
@clist: The #GtkCList to affect.
@row:
@column:
@text:
@spacing:
@pixmap:
@mask:
@row: The row of the cell.
@column: The column of the cell.
@text: The text to set in the cell.
@spacing: The spacing between the cell's text and pixmap.
@pixmap: A pointer to a #GdkPixmap for the cell.
@mask: A pointer to a #GdkBitmap mask for the cell.
<!-- ##### FUNCTION gtk_clist_get_pixtext ##### -->
<para>
Gets the text, pixmap and bitmap mask for the specified cell.
</para>
@clist:
@row:
@column:
@text:
@spacing:
@pixmap:
@mask:
@Returns:
@clist: The #GtkCList to affect.
@row: The row to query.
@column: The column to query.
@text: A pointer to a pointer to store the text.
@spacing: A pointer to a #guint8 to store the spacing.
@pixmap: A pointer to a #GdkPixmap pointer to store the cell's pixmap.
@mask: A pointer to a #GdkBitmap pointer to store the cell's bitmap mask.
@Returns: 1 if the retrieval was successful, 0 otherwise.
<!-- ##### FUNCTION gtk_clist_set_foreground ##### -->
<para>
Sets the foreground color for the specified row.
</para>
@clist: The #GtkCList to affect.
@row:
@color:
@row: The row to affect.
@color: A pointer to a #GdkColor structure.
<!-- ##### FUNCTION gtk_clist_set_background ##### -->
<para>
Sets the background color for the specified row.
</para>
@clist: The #GtkCList to affect.
@row:
@color:
@row: The row to affect.
@color: A pointer to a #GdkColor structure.
<!-- ##### FUNCTION gtk_clist_set_cell_style ##### -->
<para>
Sets the style for the specified cell.
</para>
@clist: The #GtkCList to affect.
@row:
@column:
@style:
@row: The row of the cell.
@column: The column of the cell.
@style: A pointer to a #GtkStyle structure.
<!-- ##### FUNCTION gtk_clist_get_cell_style ##### -->
<para>
Gets the current style of the specified cell.
</para>
@clist:
@row:
@column:
@Returns:
@clist: The #GtkCList to affect.
@row: The row of the cell.
@column: The column of the cell.
@Returns: A #GtkStyle object.
<!-- ##### FUNCTION gtk_clist_set_row_style ##### -->
<para>
Sets the style for all cells in the specified row.
</para>
@clist: The #GtkCList to affect.
@row:
@style:
@row: The row to affect.
@style: A pointer to a #GtkStyle to set.
<!-- ##### FUNCTION gtk_clist_get_row_style ##### -->
<para>
Gets the style set for the specified row.
</para>
@clist:
@row:
@Returns:
@clist: The #GtkCList to affect.
@row: The row to query.
@Returns: The #GtkStyle of the row.
<!-- ##### FUNCTION gtk_clist_set_shift ##### -->
<para>
Sets the vertical and horizontal shift of the specified cell.
</para>
@clist: The #GtkCList to affect.
@row:
@column:
@vertical:
@horizontal:
@row: The row of the cell.
@column: The column of the cell.
@vertical: The value to set for the vertical shift.
@horizontal: The value to set for the vertical shift.
<!-- ##### FUNCTION gtk_clist_set_selectable ##### -->
<para>
Sets whether the specified row is selectable or not.
</para>
@clist: The #GtkCList to affect.
@row:
@selectable:
@row: The row to affect.
@selectable: %TRUE or %FALSE.
<!-- ##### FUNCTION gtk_clist_get_selectable ##### -->
<para>
Gets whether the specified row is selectable or not.
</para>
@clist:
@row:
@Returns:
@clist: The #GtkCList to affect.
@row: The row to query.
@Returns: A #gboolean value.
<!-- ##### FUNCTION gtk_clist_prepend ##### -->
<para>
Adds a row to the CList at the top.
</para>
@clist: The #GtkCList to affect.
@text:
@Returns:
@text: An array of strings to add.
@Returns: The number of the row added.
<!-- ##### FUNCTION gtk_clist_append ##### -->
<para>
Adds a row to the CList at the bottom.
</para>
@clist: The #GtkCList to affect.
@text:
@Returns:
@text: An array of strings to add.
@Returns: The number of the row added.
<!-- ##### FUNCTION gtk_clist_insert ##### -->
<para>
Adds a row of text to the CList at the specified position.
</para>
@clist: The #GtkCList to affect.
@row:
@text:
@Returns:
@row: The row where the text should be inserted.
@text: An array of string to add.
@Returns: The number of the row added.
<!-- ##### FUNCTION gtk_clist_remove ##### -->
<para>
Removes the specified row from the CList.
</para>
@clist: The #GtkCList to affect.
@row:
@row: The row to remove.
<!-- ##### FUNCTION gtk_clist_set_row_data ##### -->
<para>
Sets data for the specified row. This is the same as calling gtk_clist_set_row_data_full(clist, row, data, NULL).
</para>
@clist: The #GtkCList to affect.
@row:
@data:
@row: The row to affect.
@data: The data to set for the row.
<!-- ##### FUNCTION gtk_clist_set_row_data_full ##### -->
<para>
Sets the data for specified row, with a callback when the row is destroyed.
</para>
@clist: The #GtkCList to affect.
@row:
@data:
@destroy:
@row: The row to affect.
@data: The data to set for the row.
@destroy: A #GtkDestroyNotify function to be called when the row is destroyed.
<!-- ##### FUNCTION gtk_clist_get_row_data ##### -->
<para>
Gets the currently set data for the specified row.
</para>
@clist:
@row:
@Returns:
@clist: The #GtkCList to affect.
@row: The row to query.
@Returns: The data set for the row.
<!-- ##### FUNCTION gtk_clist_find_row_from_data ##### -->
<para>
Searches the CList for the row with the specified data.
</para>
@clist:
@data:
@Returns:
@clist: The #GtkCList to search.
@data: The data to search for a match.
@Returns: The number of the matching row, or -1 if no match could be found.
<!-- ##### FUNCTION gtk_clist_select_row ##### -->
<para>
Selects the specified row. Causes the "select-row" signal to be emitted for the specified row and column.
</para>
@clist: The #GtkCList to affect.
@row:
@column:
@row: The row to select.
@column: The column to select.
<!-- ##### FUNCTION gtk_clist_unselect_row ##### -->
<para>
Unselects the specified row. Causes the "unselect-row" signal to be emitted for the specified row and column.
</para>
@clist: The #GtkCList to affect.
@row:
@column:
@row: The row to select.
@column: The column to select.
<!-- ##### FUNCTION gtk_clist_undo_selection ##### -->
<para>
Undoes the last selection for an "extended selection mode" CList.
</para>
@clist: The #GtkCList to affect.
@@ -912,7 +929,7 @@ automatically to data in the row.
<!-- ##### FUNCTION gtk_clist_clear ##### -->
<para>
Removes all the CList's rows.
</para>
@clist: The #GtkCList to affect.
@@ -920,20 +937,21 @@ automatically to data in the row.
<!-- ##### FUNCTION gtk_clist_get_selection_info ##### -->
<para>
Gets the row and column at the specified pixel position in the CList.
</para>
@clist:
@x:
@y:
@row:
@column:
@Returns:
@clist: The #GtkCList to affect.
@x: The horizontal pixel position to check.
@y: The vertical pixel position to check..
@row: Pointer to a #gint to store the row value.
@column: Pointer to a #gint to store the column value.
@Returns: 1 if row/column is returned and in range, 0 otherwise.
<!-- ##### FUNCTION gtk_clist_select_all ##### -->
<para>
Selects all rows in the CList. This function has no affect for a
CList in "single" or "browse" selection mode.
</para>
@clist: The #GtkCList to affect.
@@ -941,7 +959,7 @@ automatically to data in the row.
<!-- ##### FUNCTION gtk_clist_unselect_all ##### -->
<para>
Unselects all rows in the CList.
</para>
@clist: The #GtkCList to affect.
@@ -949,17 +967,17 @@ automatically to data in the row.
<!-- ##### FUNCTION gtk_clist_swap_rows ##### -->
<para>
Swaps the two specified rows with each other.
</para>
@clist: The #GtkCList to affect.
@row1:
@row2:
@row1: Number of the first row.
@row2: Number of the second row.
<!-- ##### FUNCTION gtk_clist_set_compare_func ##### -->
<para>
Sets the compare function of the #GtkClist to cmp_func. If cmp_func is NULL,
Sets the compare function of the #GtkClist to @cmp_func. If @cmp_func is NULL,
then the default compare function is used. The default compare function sorts
ascending or with the type set by gtk_clist_set_sort_type() by the column set
by gtk_clist_set_sort_column().
@@ -1009,40 +1027,42 @@ Turns on or off auto sort of the #GtkCList. If auto sort is on, then the CList w
<!-- ##### FUNCTION gtk_clist_columns_autosize ##### -->
<para>
Auto-sizes all columns in the CList and returns the total width of the CList.
</para>
@clist: The #GtkCList to affect.
@Returns:
@Returns: The total width of the CList.
<!-- ##### FUNCTION gtk_clist_get_column_title ##### -->
<para>
Gets the current title of the specified column
</para>
@clist:
@column:
@Returns:
@clist: The #GtkCList to affect.
@column: The column to query.
@Returns: The title of the column.
<!-- ##### FUNCTION gtk_clist_get_column_widget ##### -->
<para>
Gets the widget in the column header for the specified column.
</para>
@clist:
@column:
@Returns:
@clist: The #GtkCList to affect.
@column: The column to query.
@Returns: Pointer to a #GtkWidget for the column header.
<!-- ##### FUNCTION gtk_clist_get_hadjustment ##### -->
<para>
Gets the #GtkAdjustment currently being used for the horizontal
aspect.
</para>
@clist:
@Returns:
@clist: The #GtkCList to check.
@Returns: A #GtkAdjustment object, or NULL if none is currently
being used.
<!-- ##### FUNCTION gtk_clist_get_vadjustment ##### -->
@@ -1052,7 +1072,7 @@ aspect.
</para>
@clist: The #GtkCList to check.
@Returns: A #GtkAdjustment widget, or NULL if none is currently
@Returns: A #GtkAdjustment object, or NULL if none is currently
being used.
@@ -1063,18 +1083,20 @@ list.
</para>
@clist: The #GtkCList to affect.
@source_row:
@dest_row:
@source_row: The original position of the row to move.
@dest_row: The position to which the row should be moved.
<!-- ##### FUNCTION gtk_clist_set_button_actions ##### -->
<para>
Sets the action(s) that the specified mouse button will have
on the CList.
</para>
@clist: The #GtkCList to affect.
@button:
@button_actions:
@button: The mouse button to set.
@button_actions: A logically OR'd value of #GtkButtonAction values
for the button.
<!-- ##### FUNCTION gtk_clist_set_hadjustment ##### -->
@@ -1089,11 +1111,11 @@ aspect of the #GtkCList widget.
<!-- ##### FUNCTION gtk_clist_set_reorderable ##### -->
<para>
Sets whether the CList's columns are re-orderable.
</para>
@clist:
@reorderable:
@clist: The #GtkCList to affect.
@reorderable: %TRUE or %FALSE.
<!-- ##### FUNCTION gtk_clist_set_use_drag_icons ##### -->
@@ -1118,166 +1140,178 @@ aspect of the #GtkCList widget.
<!-- ##### SIGNAL GtkCList::select-row ##### -->
<para>
This signal is emitted when the user selects a row in the list.
It is emitted for every row that is selected in a multi-selection or
by calling gtk_clist_select_all().
</para>
@clist: the object which received the signal.
@row:
@column:
@event:
@clist: The object which received the signal.
@row: The row selected.
@column: The column where the selection occured.
@event: A #GdkEvent structure for the selection.
<!-- ##### SIGNAL GtkCList::unselect-row ##### -->
<para>
This signal is emitted when the user unselects a row in the list.
It is emitted for every row that is unselected in a multi-selection or
by calling gtk_clist_unselect_all(). It is also emitted for the
previously selected row in a "single" or "browse" mode CList.
</para>
@clist: the object which received the signal.
@row:
@column:
@clist: The object which received the signal.
@row: The selected row
@column: The column where the selection occured.
@event:
<!-- ##### SIGNAL GtkCList::row-move ##### -->
<para>
This signal is emitted when a row is moved.
</para>
@clist: the object which received the signal.
@arg1:
@arg2:
@clist: The object which received the signal.
@arg1: The source position of the row.
@arg2: The destination position of the row.
<!-- ##### SIGNAL GtkCList::click-column ##### -->
<para>
This signal is emitted when a column title is clicked.
</para>
@clist: the object which received the signal.
@column:
@clist: The object which received the signal.
@column: The number of the column.
<!-- ##### SIGNAL GtkCList::resize-column ##### -->
<para>
This signal is emitted when a column is resized.
</para>
@clist: the object which received the signal.
@column:
@width:
@clist: The object which received the signal.
@column: The number of the column
@width: The new width of the column.
<!-- ##### SIGNAL GtkCList::toggle-focus-row ##### -->
<para>
</para>
@clist: the object which received the signal.
@clist: The object which received the signal.
<!-- ##### SIGNAL GtkCList::select-all ##### -->
<para>
This signal is emitted when all the rows are selected in a CList.
</para>
@clist: the object which received the signal.
<!-- ##### SIGNAL GtkCList::unselect-all ##### -->
<para>
This signal is emitted when all rows are unselected in a CList.
</para>
@clist: the object which received the signal.
<!-- ##### SIGNAL GtkCList::undo-selection ##### -->
<para>
This signal is emitted when an undo selection occurs in the CList,
probably via calling gtk_clist_undo_selection().
</para>
@clist: the object which received the signal.
<!-- ##### SIGNAL GtkCList::start-selection ##### -->
<para>
This signal is emitted when a drag-selection is started in
a multiple-selection CList.
</para>
@clist: the object which received the signal.
<!-- ##### SIGNAL GtkCList::end-selection ##### -->
<para>
This signal is emitted when a selection ends in a
multiple selection CList.
</para>
@clist: the object which received the signal.
<!-- ##### SIGNAL GtkCList::toggle-add-mode ##### -->
<para>
This signal is emitted when "add mode" is toggled.
</para>
@clist: the object which received the signal.
<!-- ##### SIGNAL GtkCList::extend-selection ##### -->
<para>
This signal is emitted when the selection is extended.
</para>
@clist: the object which received the signal.
@scroll_type:
@position:
@auto_start_selection:
@scroll_type: A #GtkScrollType value of any scrolling operation the
occured during the selection.
@position: A value between 0.0 and 1.0.
@auto_start_selection: %TRUE or %FALSE.
<!-- ##### SIGNAL GtkCList::scroll-vertical ##### -->
<para>
This signal is emitted when the CList is scrolled vertically.
</para>
@clist: the object which received the signal.
@scroll_type:
@position:
@scroll_type: A #GtkScrollType value of how the scroll operation occured.
@position: A value between 0.0 and 1.0.
<!-- ##### SIGNAL GtkCList::scroll-horizontal ##### -->
<para>
This signal is emitted when the CList is scrolled horizontally.
</para>
@clist: the object which received the signal.
@scroll_type:
@scroll_type: A #GtkScrollType value of how the scroll operation occured.
@position: a value between 0.0 and 1.0.
<!-- ##### SIGNAL GtkCList::abort-column-resize ##### -->
<para>
This signal is emitted when a column resize is aborted.
</para>
@clist: the object which received the signal.
<!-- ##### ARG GtkCList:n_columns ##### -->
<para>
An integer value for a column.
</para>
<!-- ##### ARG GtkCList:shadow_type ##### -->
<para>
Sets the shadowing for the CList.
</para>
<!-- ##### ARG GtkCList:selection_mode ##### -->
<para>
Sets the type of selection mode for the CList.
</para>
<!-- ##### ARG GtkCList:row_height ##### -->
<para>
An integer value representing the height of a row in pixels.
</para>
<!-- ##### ARG GtkCList:reorderable ##### -->
<para>
A boolean value for determining if the user can re-order the CList's
columns.
</para>
<!-- ##### ARG GtkCList:titles_active ##### -->
<para>
A boolean value for setting whether the column titles can be
clicked.
</para>
<!-- ##### ARG GtkCList:use_drag_icons ##### -->
<para>
A boolean value for setting whether to use icons during drag
operations.
</para>