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       XmIconButton - The Icon Button widget


       Documents the XmIconButton widget


       The Icon Button widget is a selectable area of the screen that contains
       both a label and a string. When the user selects this button  with  the
       OSF/Motif select button its activateCallback is called. This widget can
       also be used as a Toggle button, although it will  have  no  indicator.
       The placement of the icon relative to the text can be modified by using
       the iconPlacement resource.

       Note: This widget takes a String as its  label,  not  an  XmString,  so
       there  is  no  need  to  use XmStringCreate to get a properly formatted
       string. Internationalized text is not currently supported.

Normal Resources

       Name                  Class             Type                  Initial Value
       activateCallback      Callback          Callback              NULL
       alignment             Alignment         Alignment             XmALIGNMENT_
       armColor              ArmColor          Pixel                 <dynamic>
       doubleClickCallback   Callback          Callback              NULL
       fontList              FontList          FontList              fixed
       horizontalMargin      Space             HorizontalDimension   2
       iconTextPadding       Space             VerticalDimension     2
       iconPlacement         IconPlacement     IconPlacement         XmIconTop
       label                 Label             String                Widget name
       labelString           LabelString       XmString              Widget name
       pixmap                Pixmap            Pixmap                None
       recomputeSize         Boolean           Boolean               True
       set                   Boolean           Boolean               False
       stringDirection       StringDirection   StringDirection       XmSTRING_
       verticalMargin        Space             VerticalDimension     2

       All resource names begin with XmN and all resource  class  names  begin
       with XmC.


       This  list  of  callback routines is called whenever the icon button is
       clicked on by  the  user.  The  format  of  the  callback  routines  is
       specified below.


       This  is  the  pixel  index that describes the color to fill the widget
       with when it is set.


       This list of callback routines  is  called  whenever  the  user  double
       clicks on this widget. The format of the callback routines is specified


       The default font in this list is used to render the label string of the
       icon button.



       The  amount  of space to be left between the edge of the shadow and the
       text or pixmap displayed. The vertical and horizontal  spacing  can  be
       controlled independently.


       The amount of space to be left between the pixmap and the label string.


       The  location  of the pixmap (icon) with respect to the displayed text.
       This  resource  can  take  one  of  the  following  values:  XmIconTop,
       XmIconBottom,  XmIconLeft,  XmIconRight,  XmIconNone, and XmIconOnly. A
       type converter has been registered that converts the following strings:
       "top", "bottom", "left", "right", "none", and "iconOnly".

       If  only a string is displayed in the Icon Button, this resource can be
       used to  change  the  justification  of  the  label.  XmIconTop=bottom,
       XmIconBottom=top,          XmIconRight=Left,          XmIconLeft=Right,
       XmIconNone=Center. In order to use these options, pixmap must be set to


       The  string  to  display  in this button. This string can only have one
       font, but can be any number of lines long. Use the NEW_LINE character (
       '0   )  to  separate  lines.  This  resource  has  been  superceded  by
       labelString,  but  is  included   for   backwards   compatibility.   If
       XmNlabelString is set , XmNlabel is ignored


       Specifies  the  compound  string to be displayed in the button. If this
       value is NULL, the value  of  XmNlabel  is  used.  If  both  are  NULL,
       labelString  is  initialized  by converting the name of the widget to a
       compound string. Refer to XmString(3X) in  the  OSD/Motif  Programmers'
       Reference  for  more  information  on  the  creation  and  structure of
       compound strings.


       The pixmap to display. This pixmap may either be of depth one  (1),  or
       the  same depth as the screen this widget is being displayed on. If the
       pixmap is of depth one then XCopyPlane is used to render the pixmap  in
       the foreground and background colors. If the pixmap is not of depth one
       then XCopyArea is used and all the original colors of  the  pixmap  are
       preserved.   Unlike   the   Motif   PushButton  widget  the  pixmap  is
       automatically stippled when the Icon Button becomes insensitive.


       If this Boolean value is True then the icon button will ask its  parent
       to  resize  it to be just large enough to contain the pixmap, label and
       shadows. If it is False then the icon button will not attempt a resize.


       This Boolean value represents the current state of the icon button.  If
       this  value  is  True  then  the  icon button is set and is rendered as
       depressed. Otherwise it is unset and is rendered normally.


       Specifies  the  direction  in  which  the  string  is  to   be   drawn.
       XmNSTRING_DIRECTION_L_TO_R    is    drawn    left   to   right,   while
       XmNSTRING_DIRECTION_R_TO_L is drawn right to left. The default for this
       resource  is  determined at creation time. If no value is specified for
       this resource and the widget's  parent  is  a  manager,  the  value  is
       inherited    from    the    parent;    otherwise,    it   defaults   to

Callback Routines

       Whenever the user selects the icon button the activate  callbacks  will
       be  called.  When- ever the user double clicks on this widget the first
       click will call the activateCallback, and if the second  occurs  within
       MultiClickTime  it will call the doubleClickCallback..  These callbacks
       have the following parameters:

       void (activate_callback)(Widget  w,  XtPointer  client_data,  XtPointer

       w              the Icon Button widget

       client_data    the client data specified by the application

       call_data      a pointer to an XmIconButtonCallbackInfo structure

       void (double_click_callback)(Widget w, XtPointer client_data, XtPointer

       w              the Icon Button widget

       client_data    the client data specified by the application

       call_data      a pointer to an XmIconButtonCallbackInfo structure

       All   procedures   on   the   Icon   Button's   activateCallback    and
       doubleClickCallback    lists    will    have    a    pointer    to   an
       IconButtonCallbackInfo structure passed to them in the call_data field.
       This  structure  is  defined  in the Icon Button widget's public header
       file as follows:

       typedef struct _XmIconButtonCallbackInfo {

            Boolean state;   /* The current state of the icon button.*/

            XEvent * event;  /* The event that caused this action.*/

       } XmIconButtonCallbackInfo;

       state          the current state of the icon button. When this is  used
                      as  a  push button (the default) the state variable will
                      always be True.

       event          the X Event that caused this  action,  see  Translations
                      and  Actions  below  for  details on the events that can
                      cause these callbacks to be called.

Convenience Routine

XmCreateIconButton - Widget creation convenience routine

       Widget XmCreateIconButton(
                      Widget parent,/* Widget id of parent for IconButton */
                      String name, /* Name of the created widget */
                      ArgList args,/* argument list */
                      Cardinal num_args/* number of items in argument list */

       Translations and Actions:

       The following are the default translation bindings used by the icon button:

       <Btn1Down>,<Btn1Up>:   XmToggle() XmNotify()
       <Btn1Down>(2):         XmDoubleNotify()

       <Btn1Down>:            XmGetFocus() XmToggle()
       <Key>osfSelect:        XmArmAndActivate()
       <Key>osfActivate:      XmArmAndActivate()
       None<Key>space:        XmArmAndActivate()
       None<Key>Return:       XmArmAndActivate()
       <Btn1Down>,<Leave>     XmToggle()

       The following actions are supported by the icon button:

       XmToggle()     Toggles the state of the icon button.

       XmNotify()     Calls all routines on activateCallback list.

       XmDoubleNotify()Calls all routines on the doubleClickCallback list.

       XmArmAndActivated()This action will arm the button, call the actions on the activateCallback
                      list, wait a fraction of a second and then disarm the button.

       To use this button as a toggle button rather than a push button, replace the default
       translation table with the following table.

       <Btn1Down>:         XmToggle() XmNotify()
       <Btn1Up>(2):        XmDoubleNotify()
       <Key>osfSelect:     XmToggle() XmNotify()
       <Key>osfActivate:   XmToggle() XmNotify()
       None<Key>space:     XmToggle() XmNotify()
       None<Key>Return:    XmToggle() XmNotify()


       Copyright (c) 1992 by Integrated Computer Solutions, Inc.

                                 15 July 1992                  XmIconButton(3)

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