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- # button.tcl --
- #
- # This file defines the default bindings for Tk label, button,
- # checkbutton, and radiobutton widgets and provides procedures
- # that help in implementing those bindings.
- #
- # SCCS: @(#) button.tcl 1.22 96/11/14 14:49:11
- #
- # Copyright (c) 1992-1994 The Regents of the University of California.
- # Copyright (c) 1994-1996 Sun Microsystems, Inc.
- #
- # See the file "license.terms" for information on usage and redistribution
- # of this file, and for a DISCLAIMER OF ALL WARRANTIES.
- #
-
- #-------------------------------------------------------------------------
- # The code below creates the default class bindings for buttons.
- #-------------------------------------------------------------------------
-
- if {$tcl_platform(platform) == "macintosh"} {
- bind Radiobutton <Enter> {
- tkButtonEnter %W
- }
- bind Radiobutton <1> {
- tkButtonDown %W
- }
- bind Radiobutton <ButtonRelease-1> {
- tkButtonUp %W
- }
- bind Checkbutton <Enter> {
- tkButtonEnter %W
- }
- bind Checkbutton <1> {
- tkButtonDown %W
- }
- bind Checkbutton <ButtonRelease-1> {
- tkButtonUp %W
- }
- }
- if {$tcl_platform(platform) == "windows"} {
- bind Checkbutton <equal> {
- tkCheckRadioInvoke %W select
- }
- bind Checkbutton <plus> {
- tkCheckRadioInvoke %W select
- }
- bind Checkbutton <minus> {
- tkCheckRadioInvoke %W deselect
- }
- bind Checkbutton <1> {
- tkCheckRadioDown %W
- }
- bind Checkbutton <ButtonRelease-1> {
- tkButtonUp %W
- }
- bind Checkbutton <Enter> {
- tkCheckRadioEnter %W
- }
-
- bind Radiobutton <1> {
- tkCheckRadioDown %W
- }
- bind Radiobutton <ButtonRelease-1> {
- tkButtonUp %W
- }
- bind Radiobutton <Enter> {
- tkCheckRadioEnter %W
- }
- }
- if {$tcl_platform(platform) == "unix"} {
- bind Checkbutton <Return> {
- if !$tk_strictMotif {
- tkCheckRadioInvoke %W
- }
- }
- bind Radiobutton <Return> {
- if !$tk_strictMotif {
- tkCheckRadioInvoke %W
- }
- }
- bind Checkbutton <1> {
- tkCheckRadioInvoke %W
- }
- bind Radiobutton <1> {
- tkCheckRadioInvoke %W
- }
- bind Checkbutton <Enter> {
- tkButtonEnter %W
- }
- bind Radiobutton <Enter> {
- tkButtonEnter %W
- }
- }
-
- bind Button <space> {
- tkButtonInvoke %W
- }
- bind Checkbutton <space> {
- tkCheckRadioInvoke %W
- }
- bind Radiobutton <space> {
- tkCheckRadioInvoke %W
- }
-
- bind Button <FocusIn> {}
- bind Button <Enter> {
- tkButtonEnter %W
- }
- bind Button <Leave> {
- tkButtonLeave %W
- }
- bind Button <1> {
- tkButtonDown %W
- }
- bind Button <ButtonRelease-1> {
- tkButtonUp %W
- }
-
- bind Checkbutton <FocusIn> {}
- bind Checkbutton <Leave> {
- tkButtonLeave %W
- }
-
- bind Radiobutton <FocusIn> {}
- bind Radiobutton <Leave> {
- tkButtonLeave %W
- }
-
- if {$tcl_platform(platform) == "windows"} {
-
- #########################
- # Windows implementation
- #########################
-
- # tkButtonEnter --
- # 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.
- #
- # Arguments:
- # w - The name of the widget.
-
- proc tkButtonEnter w {
- global tkPriv
- if {[$w cget -state] != "disabled"} {
- if {$tkPriv(buttonWindow) == $w} {
- $w configure -state active -relief sunken
- }
- }
- set tkPriv(window) $w
- }
-
- # tkButtonLeave --
- # The procedure below is invoked when the mouse pointer leaves a
- # button widget. It changes the state of the button back to
- # inactive. If we're leaving the button window with a mouse button
- # pressed (tkPriv(buttonWindow) == $w), restore the relief of the
- # button too.
- #
- # Arguments:
- # w - The name of the widget.
-
- proc tkButtonLeave w {
- global tkPriv
- if {[$w cget -state] != "disabled"} {
- $w config -state normal
- }
- if {$w == $tkPriv(buttonWindow)} {
- $w configure -relief $tkPriv(relief)
- }
- set tkPriv(window) ""
- }
-
- # tkCheckRadioEnter --
- # The procedure below is invoked when the mouse pointer enters a
- # checkbutton or radiobutton widget. It records the button we're in
- # and changes the state of the button to active unless the button is
- # disabled.
- #
- # Arguments:
- # w - The name of the widget.
-
- proc tkCheckRadioEnter w {
- global tkPriv
- if {[$w cget -state] != "disabled"} {
- if {$tkPriv(buttonWindow) == $w} {
- $w configure -state active
- }
- }
- set tkPriv(window) $w
- }
-
- # tkButtonDown --
- # The procedure below is invoked when the mouse button is pressed in
- # a button widget. It records the fact that the mouse is in the button,
- # saves the button's relief so it can be restored later, and changes
- # the relief to sunken.
- #
- # Arguments:
- # w - The name of the widget.
-
- proc tkButtonDown w {
- global tkPriv
- set tkPriv(relief) [lindex [$w conf -relief] 4]
- if {[$w cget -state] != "disabled"} {
- set tkPriv(buttonWindow) $w
- $w config -relief sunken -state active
- }
- }
-
- # tkCheckRadioDown --
- # The procedure below is invoked when the mouse button is pressed in
- # a button widget. It records the fact that the mouse is in the button,
- # saves the button's relief so it can be restored later, and changes
- # the relief to sunken.
- #
- # Arguments:
- # w - The name of the widget.
-
- proc tkCheckRadioDown w {
- global tkPriv
- set tkPriv(relief) [lindex [$w conf -relief] 4]
- if {[$w cget -state] != "disabled"} {
- set tkPriv(buttonWindow) $w
- $w config -state active
- }
- }
-
- # tkButtonUp --
- # The procedure below is invoked when the mouse button is released
- # in a button widget. It restores the button's relief and invokes
- # the command as long as the mouse hasn't left the button.
- #
- # Arguments:
- # w - The name of the widget.
-
- proc tkButtonUp w {
- global tkPriv
- if {$w == $tkPriv(buttonWindow)} {
- set tkPriv(buttonWindow) ""
- if {($w == $tkPriv(window))
- && ([$w cget -state] != "disabled")} {
- $w config -relief $tkPriv(relief) -state normal
- uplevel #0 [list $w invoke]
- }
- }
- }
-
- }
-
- if {$tcl_platform(platform) == "unix"} {
-
- #####################
- # Unix implementation
- #####################
-
- # tkButtonEnter --
- # 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.
- #
- # Arguments:
- # w - The name of the widget.
-
- proc tkButtonEnter {w} {
- global tkPriv
- if {[$w cget -state] != "disabled"} {
- $w config -state active
- if {$tkPriv(buttonWindow) == $w} {
- $w configure -state active -relief sunken
- }
- }
- set tkPriv(window) $w
- }
-
- # tkButtonLeave --
- # The procedure below is invoked when the mouse pointer leaves a
- # button widget. It changes the state of the button back to
- # inactive. If we're leaving the button window with a mouse button
- # pressed (tkPriv(buttonWindow) == $w), restore the relief of the
- # button too.
- #
- # Arguments:
- # w - The name of the widget.
-
- proc tkButtonLeave w {
- global tkPriv
- if {[$w cget -state] != "disabled"} {
- $w config -state normal
- }
- if {$w == $tkPriv(buttonWindow)} {
- $w configure -relief $tkPriv(relief)
- }
- set tkPriv(window) ""
- }
-
- # tkButtonDown --
- # The procedure below is invoked when the mouse button is pressed in
- # a button widget. It records the fact that the mouse is in the button,
- # saves the button's relief so it can be restored later, and changes
- # the relief to sunken.
- #
- # Arguments:
- # w - The name of the widget.
-
- proc tkButtonDown w {
- global tkPriv
- set tkPriv(relief) [lindex [$w config -relief] 4]
- if {[$w cget -state] != "disabled"} {
- set tkPriv(buttonWindow) $w
- $w config -relief sunken
- }
- }
-
- # tkButtonUp --
- # The procedure below is invoked when the mouse button is released
- # in a button widget. It restores the button's relief and invokes
- # the command as long as the mouse hasn't left the button.
- #
- # Arguments:
- # w - The name of the widget.
-
- proc tkButtonUp w {
- global tkPriv
- if {$w == $tkPriv(buttonWindow)} {
- set tkPriv(buttonWindow) ""
- $w config -relief $tkPriv(relief)
- if {($w == $tkPriv(window))
- && ([$w cget -state] != "disabled")} {
- uplevel #0 [list $w invoke]
- }
- }
- }
-
- }
-
- if {$tcl_platform(platform) == "macintosh"} {
-
- ####################
- # Mac implementation
- ####################
-
- # tkButtonEnter --
- # 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.
- #
- # Arguments:
- # w - The name of the widget.
-
- proc tkButtonEnter {w} {
- global tkPriv
- if {[$w cget -state] != "disabled"} {
- if {$tkPriv(buttonWindow) == $w} {
- $w configure -state active
- }
- }
- set tkPriv(window) $w
- }
-
- # tkButtonLeave --
- # The procedure below is invoked when the mouse pointer leaves a
- # button widget. It changes the state of the button back to
- # inactive. If we're leaving the button window with a mouse button
- # pressed (tkPriv(buttonWindow) == $w), restore the relief of the
- # button too.
- #
- # Arguments:
- # w - The name of the widget.
-
- proc tkButtonLeave w {
- global tkPriv
- if {$w == $tkPriv(buttonWindow)} {
- $w configure -state normal
- }
- set tkPriv(window) ""
- }
-
- # tkButtonDown --
- # The procedure below is invoked when the mouse button is pressed in
- # a button widget. It records the fact that the mouse is in the button,
- # saves the button's relief so it can be restored later, and changes
- # the relief to sunken.
- #
- # Arguments:
- # w - The name of the widget.
-
- proc tkButtonDown w {
- global tkPriv
- if {[$w cget -state] != "disabled"} {
- set tkPriv(buttonWindow) $w
- $w config -state active
- }
- }
-
- # tkButtonUp --
- # The procedure below is invoked when the mouse button is released
- # in a button widget. It restores the button's relief and invokes
- # the command as long as the mouse hasn't left the button.
- #
- # Arguments:
- # w - The name of the widget.
-
- proc tkButtonUp w {
- global tkPriv
- if {$w == $tkPriv(buttonWindow)} {
- $w config -state normal
- set tkPriv(buttonWindow) ""
- if {($w == $tkPriv(window))
- && ([$w cget -state] != "disabled")} {
- uplevel #0 [list $w invoke]
- }
- }
- }
-
- }
-
- ##################
- # Shared routines
- ##################
-
- # tkButtonInvoke --
- # The procedure below is called when a button is invoked through
- # the keyboard. It simulate a press of the button via the mouse.
- #
- # Arguments:
- # w - The name of the widget.
-
- proc tkButtonInvoke w {
- if {[$w cget -state] != "disabled"} {
- set oldRelief [$w cget -relief]
- set oldState [$w cget -state]
- $w configure -state active -relief sunken
- update idletasks
- after 100
- $w configure -state $oldState -relief $oldRelief
- uplevel #0 [list $w invoke]
- }
- }
-
- # tkCheckRadioInvoke --
- # The procedure below is invoked when the mouse button is pressed in
- # a checkbutton or radiobutton widget, or when the widget is invoked
- # through the keyboard. It invokes the widget if it
- # isn't disabled.
- #
- # Arguments:
- # w - The name of the widget.
- # cmd - The subcommand to invoke (one of invoke, select, or deselect).
-
- proc tkCheckRadioInvoke {w {cmd invoke}} {
- if {[$w cget -state] != "disabled"} {
- uplevel #0 [list $w $cmd]
- }
- }
-
-