home *** CD-ROM | disk | FTP | other *** search
- # button.tcl --
- #
- # This file contains Tcl procedures used to manage Tk buttons.
- #
- # $Header: /user6/ouster/wish/scripts/RCS/button.tcl,v 1.7 92/07/28 15:41:13 ouster Exp $ SPRITE (Berkeley)
- #
- # Copyright 1992 Regents of the University of California
- # Permission to use, copy, modify, and distribute this
- # software and its documentation for any purpose and without
- # fee is hereby granted, provided that this copyright
- # notice appears in all copies. The University of California
- # makes no representations about the suitability of this
- # software for any purpose. It is provided "as is" without
- # express or implied warranty.
- #
-
- # The procedure below is invoked when the mouse pointer enters a
- # button widget. It records the button we're in and changes the
- # state of the button to active unless the button is disabled.
-
- proc tk_butEnter w {
- global tk_priv tk_strictMotif
- if {[lindex [$w config -state] 4] != "disabled"} {
- if {!$tk_strictMotif} {
- $w config -state active
- }
- set tk_priv(window) $w
- }
- }
-
- # The procedure below is invoked when the mouse pointer leaves a
- # button widget. It changes the state of the button back to
- # inactive.
-
- proc tk_butLeave w {
- global tk_priv tk_strictMotif
- if {[lindex [$w config -state] 4] != "disabled"} {
- if {!$tk_strictMotif} {
- $w config -state normal
- }
- }
- set tk_priv(window) ""
- }
-
- # The procedure below is invoked when the mouse button is pressed in
- # a button/radiobutton/checkbutton widget. It records information
- # (a) to indicate that the mouse is in the button, and
- # (b) to save the button's relief so it can be restored later.
-
- proc tk_butDown w {
- global tk_priv
- set tk_priv(relief) [lindex [$w config -relief] 4]
- if {[lindex [$w config -state] 4] != "disabled"} {
- $w config -relief sunken
- }
- }
-
- # The procedure below is invoked when the mouse button is released
- # for a button/radiobutton/checkbutton widget. It restores the
- # button's relief and invokes the command as long as the mouse
- # hasn't left the button.
-
- proc tk_butUp w {
- global tk_priv
- $w config -relief $tk_priv(relief)
- if {($w == $tk_priv(window))
- && ([lindex [$w config -state] 4] != "disabled")} {
- uplevel #0 [list $w invoke]
- }
- }
-