mirror of
https://github.com/QB64Official/qb64.git
synced 2024-09-12 15:30:31 +00:00
778 lines
20 KiB
Tcl
778 lines
20 KiB
Tcl
# 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.
|
||
#
|
||
# Copyright (c) 1992-1994 The Regents of the University of California.
|
||
# Copyright (c) 1994-1996 Sun Microsystems, Inc.
|
||
# Copyright (c) 2002 ActiveState Corporation.
|
||
#
|
||
# 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 {[tk windowingsystem] eq "aqua"} {
|
||
|
||
bind Radiobutton <Enter> {
|
||
tk::ButtonEnter %W
|
||
}
|
||
bind Radiobutton <1> {
|
||
tk::ButtonDown %W
|
||
}
|
||
bind Radiobutton <ButtonRelease-1> {
|
||
tk::ButtonUp %W
|
||
}
|
||
bind Checkbutton <Enter> {
|
||
tk::ButtonEnter %W
|
||
}
|
||
bind Checkbutton <1> {
|
||
tk::ButtonDown %W
|
||
}
|
||
bind Checkbutton <ButtonRelease-1> {
|
||
tk::ButtonUp %W
|
||
}
|
||
bind Checkbutton <Leave> {
|
||
tk::ButtonLeave %W
|
||
}
|
||
}
|
||
if {"win32" eq [tk windowingsystem]} {
|
||
bind Checkbutton <equal> {
|
||
tk::CheckRadioInvoke %W select
|
||
}
|
||
bind Checkbutton <plus> {
|
||
tk::CheckRadioInvoke %W select
|
||
}
|
||
bind Checkbutton <minus> {
|
||
tk::CheckRadioInvoke %W deselect
|
||
}
|
||
bind Checkbutton <1> {
|
||
tk::CheckRadioDown %W
|
||
}
|
||
bind Checkbutton <ButtonRelease-1> {
|
||
tk::ButtonUp %W
|
||
}
|
||
bind Checkbutton <Enter> {
|
||
tk::CheckRadioEnter %W
|
||
}
|
||
bind Checkbutton <Leave> {
|
||
tk::ButtonLeave %W
|
||
}
|
||
|
||
bind Radiobutton <1> {
|
||
tk::CheckRadioDown %W
|
||
}
|
||
bind Radiobutton <ButtonRelease-1> {
|
||
tk::ButtonUp %W
|
||
}
|
||
bind Radiobutton <Enter> {
|
||
tk::CheckRadioEnter %W
|
||
}
|
||
}
|
||
if {"x11" eq [tk windowingsystem]} {
|
||
bind Checkbutton <Return> {
|
||
if {!$tk_strictMotif} {
|
||
tk::CheckInvoke %W
|
||
}
|
||
}
|
||
bind Radiobutton <Return> {
|
||
if {!$tk_strictMotif} {
|
||
tk::CheckRadioInvoke %W
|
||
}
|
||
}
|
||
bind Checkbutton <1> {
|
||
tk::CheckInvoke %W
|
||
}
|
||
bind Radiobutton <1> {
|
||
tk::CheckRadioInvoke %W
|
||
}
|
||
bind Checkbutton <Enter> {
|
||
tk::CheckEnter %W
|
||
}
|
||
bind Radiobutton <Enter> {
|
||
tk::ButtonEnter %W
|
||
}
|
||
bind Checkbutton <Leave> {
|
||
tk::CheckLeave %W
|
||
}
|
||
}
|
||
|
||
bind Button <space> {
|
||
tk::ButtonInvoke %W
|
||
}
|
||
bind Checkbutton <space> {
|
||
tk::CheckRadioInvoke %W
|
||
}
|
||
bind Radiobutton <space> {
|
||
tk::CheckRadioInvoke %W
|
||
}
|
||
bind Button <<Invoke>> {
|
||
tk::ButtonInvoke %W
|
||
}
|
||
bind Checkbutton <<Invoke>> {
|
||
tk::CheckRadioInvoke %W
|
||
}
|
||
bind Radiobutton <<Invoke>> {
|
||
tk::CheckRadioInvoke %W
|
||
}
|
||
|
||
bind Button <FocusIn> {}
|
||
bind Button <Enter> {
|
||
tk::ButtonEnter %W
|
||
}
|
||
bind Button <Leave> {
|
||
tk::ButtonLeave %W
|
||
}
|
||
bind Button <1> {
|
||
tk::ButtonDown %W
|
||
}
|
||
bind Button <ButtonRelease-1> {
|
||
tk::ButtonUp %W
|
||
}
|
||
|
||
bind Checkbutton <FocusIn> {}
|
||
|
||
bind Radiobutton <FocusIn> {}
|
||
bind Radiobutton <Leave> {
|
||
tk::ButtonLeave %W
|
||
}
|
||
|
||
if {"win32" eq [tk windowingsystem]} {
|
||
|
||
#########################
|
||
# Windows implementation
|
||
#########################
|
||
|
||
# ::tk::ButtonEnter --
|
||
# 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 ::tk::ButtonEnter w {
|
||
variable ::tk::Priv
|
||
if {[$w cget -state] ne "disabled"} {
|
||
|
||
# If the mouse button is down, set the relief to sunken on entry.
|
||
# Overwise, if there's an -overrelief value, set the relief to that.
|
||
|
||
set Priv($w,relief) [$w cget -relief]
|
||
if {$Priv(buttonWindow) eq $w} {
|
||
$w configure -relief sunken -state active
|
||
set Priv($w,prelief) sunken
|
||
} elseif {[set over [$w cget -overrelief]] ne ""} {
|
||
$w configure -relief $over
|
||
set Priv($w,prelief) $over
|
||
}
|
||
}
|
||
set Priv(window) $w
|
||
}
|
||
|
||
# ::tk::ButtonLeave --
|
||
# The procedure below is invoked when the mouse pointer leaves a
|
||
# button widget. It changes the state of the button back to inactive.
|
||
# Restore any modified relief too.
|
||
#
|
||
# Arguments:
|
||
# w - The name of the widget.
|
||
|
||
proc ::tk::ButtonLeave w {
|
||
variable ::tk::Priv
|
||
if {[$w cget -state] ne "disabled"} {
|
||
$w configure -state normal
|
||
}
|
||
|
||
# Restore the original button relief if it was changed by Tk.
|
||
# That is signaled by the existence of Priv($w,prelief).
|
||
|
||
if {[info exists Priv($w,relief)]} {
|
||
if {[info exists Priv($w,prelief)] && \
|
||
$Priv($w,prelief) eq [$w cget -relief]} {
|
||
$w configure -relief $Priv($w,relief)
|
||
}
|
||
unset -nocomplain Priv($w,relief) Priv($w,prelief)
|
||
}
|
||
|
||
set Priv(window) ""
|
||
}
|
||
|
||
# ::tk::ButtonDown --
|
||
# 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 ::tk::ButtonDown w {
|
||
variable ::tk::Priv
|
||
|
||
# Only save the button's relief if it does not yet exist. If there
|
||
# is an overrelief setting, Priv($w,relief) will already have been set,
|
||
# and the current value of the -relief option will be incorrect.
|
||
|
||
if {![info exists Priv($w,relief)]} {
|
||
set Priv($w,relief) [$w cget -relief]
|
||
}
|
||
|
||
if {[$w cget -state] ne "disabled"} {
|
||
set Priv(buttonWindow) $w
|
||
$w configure -relief sunken -state active
|
||
set Priv($w,prelief) sunken
|
||
|
||
# If this button has a repeatdelay set up, get it going with an after
|
||
after cancel $Priv(afterId)
|
||
set delay [$w cget -repeatdelay]
|
||
set Priv(repeated) 0
|
||
if {$delay > 0} {
|
||
set Priv(afterId) [after $delay [list tk::ButtonAutoInvoke $w]]
|
||
}
|
||
}
|
||
}
|
||
|
||
# ::tk::ButtonUp --
|
||
# The procedure below is invoked when the mouse button is released
|
||
# in a button widget. It restores the button's relief and invokes
|
||
# the command as long as the mouse hasn't left the button.
|
||
#
|
||
# Arguments:
|
||
# w - The name of the widget.
|
||
|
||
proc ::tk::ButtonUp w {
|
||
variable ::tk::Priv
|
||
if {$Priv(buttonWindow) eq $w} {
|
||
set Priv(buttonWindow) ""
|
||
|
||
# Restore the button's relief if it was cached.
|
||
|
||
if {[info exists Priv($w,relief)]} {
|
||
if {[info exists Priv($w,prelief)] && \
|
||
$Priv($w,prelief) eq [$w cget -relief]} {
|
||
$w configure -relief $Priv($w,relief)
|
||
}
|
||
unset -nocomplain Priv($w,relief) Priv($w,prelief)
|
||
}
|
||
|
||
# Clean up the after event from the auto-repeater
|
||
after cancel $Priv(afterId)
|
||
|
||
if {$Priv(window) eq $w && [$w cget -state] ne "disabled"} {
|
||
$w configure -state normal
|
||
|
||
# Only invoke the command if it wasn't already invoked by the
|
||
# auto-repeater functionality
|
||
if { $Priv(repeated) == 0 } {
|
||
uplevel #0 [list $w invoke]
|
||
}
|
||
}
|
||
}
|
||
}
|
||
|
||
# ::tk::CheckRadioEnter --
|
||
# The procedure below is invoked when the mouse pointer enters a
|
||
# checkbutton or radiobutton widget. It records the button we're in
|
||
# and changes the state of the button to active unless the button is
|
||
# disabled.
|
||
#
|
||
# Arguments:
|
||
# w - The name of the widget.
|
||
|
||
proc ::tk::CheckRadioEnter w {
|
||
variable ::tk::Priv
|
||
if {[$w cget -state] ne "disabled"} {
|
||
if {$Priv(buttonWindow) eq $w} {
|
||
$w configure -state active
|
||
}
|
||
if {[set over [$w cget -overrelief]] ne ""} {
|
||
set Priv($w,relief) [$w cget -relief]
|
||
set Priv($w,prelief) $over
|
||
$w configure -relief $over
|
||
}
|
||
}
|
||
set Priv(window) $w
|
||
}
|
||
|
||
# ::tk::CheckRadioDown --
|
||
# The procedure below is invoked when the mouse button is pressed in
|
||
# a button widget. It records the fact that the mouse is in the button,
|
||
# saves the button's relief so it can be restored later, and changes
|
||
# the relief to sunken.
|
||
#
|
||
# Arguments:
|
||
# w - The name of the widget.
|
||
|
||
proc ::tk::CheckRadioDown w {
|
||
variable ::tk::Priv
|
||
if {![info exists Priv($w,relief)]} {
|
||
set Priv($w,relief) [$w cget -relief]
|
||
}
|
||
if {[$w cget -state] ne "disabled"} {
|
||
set Priv(buttonWindow) $w
|
||
set Priv(repeated) 0
|
||
$w configure -state active
|
||
}
|
||
}
|
||
|
||
}
|
||
|
||
if {"x11" eq [tk windowingsystem]} {
|
||
|
||
#####################
|
||
# Unix implementation
|
||
#####################
|
||
|
||
# ::tk::ButtonEnter --
|
||
# The procedure below is invoked when the mouse pointer enters a
|
||
# button widget. It records the button we're in and changes the
|
||
# state of the button to active unless the button is disabled.
|
||
#
|
||
# Arguments:
|
||
# w - The name of the widget.
|
||
|
||
proc ::tk::ButtonEnter {w} {
|
||
variable ::tk::Priv
|
||
if {[$w cget -state] ne "disabled"} {
|
||
# On unix the state is active just with mouse-over
|
||
$w configure -state active
|
||
|
||
# If the mouse button is down, set the relief to sunken on entry.
|
||
# Overwise, if there's an -overrelief value, set the relief to that.
|
||
|
||
set Priv($w,relief) [$w cget -relief]
|
||
if {$Priv(buttonWindow) eq $w} {
|
||
$w configure -relief sunken
|
||
set Priv($w,prelief) sunken
|
||
} elseif {[set over [$w cget -overrelief]] ne ""} {
|
||
$w configure -relief $over
|
||
set Priv($w,prelief) $over
|
||
}
|
||
}
|
||
set Priv(window) $w
|
||
}
|
||
|
||
# ::tk::ButtonLeave --
|
||
# The procedure below is invoked when the mouse pointer leaves a
|
||
# button widget. It changes the state of the button back to inactive.
|
||
# Restore any modified relief too.
|
||
#
|
||
# Arguments:
|
||
# w - The name of the widget.
|
||
|
||
proc ::tk::ButtonLeave w {
|
||
variable ::tk::Priv
|
||
if {[$w cget -state] ne "disabled"} {
|
||
$w configure -state normal
|
||
}
|
||
|
||
# Restore the original button relief if it was changed by Tk.
|
||
# That is signaled by the existence of Priv($w,prelief).
|
||
|
||
if {[info exists Priv($w,relief)]} {
|
||
if {[info exists Priv($w,prelief)] && \
|
||
$Priv($w,prelief) eq [$w cget -relief]} {
|
||
$w configure -relief $Priv($w,relief)
|
||
}
|
||
unset -nocomplain Priv($w,relief) Priv($w,prelief)
|
||
}
|
||
|
||
set Priv(window) ""
|
||
}
|
||
|
||
# ::tk::ButtonDown --
|
||
# 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 ::tk::ButtonDown w {
|
||
variable ::tk::Priv
|
||
|
||
# Only save the button's relief if it does not yet exist. If there
|
||
# is an overrelief setting, Priv($w,relief) will already have been set,
|
||
# and the current value of the -relief option will be incorrect.
|
||
|
||
if {![info exists Priv($w,relief)]} {
|
||
set Priv($w,relief) [$w cget -relief]
|
||
}
|
||
|
||
if {[$w cget -state] ne "disabled"} {
|
||
set Priv(buttonWindow) $w
|
||
$w configure -relief sunken
|
||
set Priv($w,prelief) sunken
|
||
|
||
# If this button has a repeatdelay set up, get it going with an after
|
||
after cancel $Priv(afterId)
|
||
set delay [$w cget -repeatdelay]
|
||
set Priv(repeated) 0
|
||
if {$delay > 0} {
|
||
set Priv(afterId) [after $delay [list tk::ButtonAutoInvoke $w]]
|
||
}
|
||
}
|
||
}
|
||
|
||
# ::tk::ButtonUp --
|
||
# The procedure below is invoked when the mouse button is released
|
||
# in a button widget. It restores the button's relief and invokes
|
||
# the command as long as the mouse hasn't left the button.
|
||
#
|
||
# Arguments:
|
||
# w - The name of the widget.
|
||
|
||
proc ::tk::ButtonUp w {
|
||
variable ::tk::Priv
|
||
if {$w eq $Priv(buttonWindow)} {
|
||
set Priv(buttonWindow) ""
|
||
|
||
# Restore the button's relief if it was cached.
|
||
|
||
if {[info exists Priv($w,relief)]} {
|
||
if {[info exists Priv($w,prelief)] && \
|
||
$Priv($w,prelief) eq [$w cget -relief]} {
|
||
$w configure -relief $Priv($w,relief)
|
||
}
|
||
unset -nocomplain Priv($w,relief) Priv($w,prelief)
|
||
}
|
||
|
||
# Clean up the after event from the auto-repeater
|
||
after cancel $Priv(afterId)
|
||
|
||
if {$Priv(window) eq $w && [$w cget -state] ne "disabled"} {
|
||
# Only invoke the command if it wasn't already invoked by the
|
||
# auto-repeater functionality
|
||
if { $Priv(repeated) == 0 } {
|
||
uplevel #0 [list $w invoke]
|
||
}
|
||
}
|
||
}
|
||
}
|
||
|
||
}
|
||
|
||
if {[tk windowingsystem] eq "aqua"} {
|
||
|
||
####################
|
||
# Mac implementation
|
||
####################
|
||
|
||
# ::tk::ButtonEnter --
|
||
# The procedure below is invoked when the mouse pointer enters a
|
||
# button widget. It records the button we're in and changes the
|
||
# state of the button to active unless the button is disabled.
|
||
#
|
||
# Arguments:
|
||
# w - The name of the widget.
|
||
|
||
proc ::tk::ButtonEnter {w} {
|
||
variable ::tk::Priv
|
||
if {[$w cget -state] ne "disabled"} {
|
||
|
||
# If there's an -overrelief value, set the relief to that.
|
||
|
||
if {$Priv(buttonWindow) eq $w} {
|
||
$w configure -state active
|
||
} elseif {[set over [$w cget -overrelief]] ne ""} {
|
||
set Priv($w,relief) [$w cget -relief]
|
||
set Priv($w,prelief) $over
|
||
$w configure -relief $over
|
||
}
|
||
}
|
||
set Priv(window) $w
|
||
}
|
||
|
||
# ::tk::ButtonLeave --
|
||
# 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 (Priv(buttonWindow) == $w), restore the relief of the
|
||
# button too.
|
||
#
|
||
# Arguments:
|
||
# w - The name of the widget.
|
||
|
||
proc ::tk::ButtonLeave w {
|
||
variable ::tk::Priv
|
||
if {$w eq $Priv(buttonWindow)} {
|
||
$w configure -state normal
|
||
}
|
||
|
||
# Restore the original button relief if it was changed by Tk.
|
||
# That is signaled by the existence of Priv($w,prelief).
|
||
|
||
if {[info exists Priv($w,relief)]} {
|
||
if {[info exists Priv($w,prelief)] && \
|
||
$Priv($w,prelief) eq [$w cget -relief]} {
|
||
$w configure -relief $Priv($w,relief)
|
||
}
|
||
unset -nocomplain Priv($w,relief) Priv($w,prelief)
|
||
}
|
||
|
||
set Priv(window) ""
|
||
}
|
||
|
||
# ::tk::ButtonDown --
|
||
# 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 ::tk::ButtonDown w {
|
||
variable ::tk::Priv
|
||
|
||
if {[$w cget -state] ne "disabled"} {
|
||
set Priv(buttonWindow) $w
|
||
$w configure -state active
|
||
|
||
# If this button has a repeatdelay set up, get it going with an after
|
||
after cancel $Priv(afterId)
|
||
set Priv(repeated) 0
|
||
if { ![catch {$w cget -repeatdelay} delay] } {
|
||
if {$delay > 0} {
|
||
set Priv(afterId) [after $delay [list tk::ButtonAutoInvoke $w]]
|
||
}
|
||
}
|
||
}
|
||
}
|
||
|
||
# ::tk::ButtonUp --
|
||
# The procedure below is invoked when the mouse button is released
|
||
# in a button widget. It restores the button's relief and invokes
|
||
# the command as long as the mouse hasn't left the button.
|
||
#
|
||
# Arguments:
|
||
# w - The name of the widget.
|
||
|
||
proc ::tk::ButtonUp w {
|
||
variable ::tk::Priv
|
||
if {$Priv(buttonWindow) eq $w} {
|
||
set Priv(buttonWindow) ""
|
||
$w configure -state normal
|
||
|
||
# Restore the button's relief if it was cached.
|
||
|
||
if {[info exists Priv($w,relief)]} {
|
||
if {[info exists Priv($w,prelief)] && \
|
||
$Priv($w,prelief) eq [$w cget -relief]} {
|
||
$w configure -relief $Priv($w,relief)
|
||
}
|
||
unset -nocomplain Priv($w,relief) Priv($w,prelief)
|
||
}
|
||
|
||
# Clean up the after event from the auto-repeater
|
||
after cancel $Priv(afterId)
|
||
|
||
if {$Priv(window) eq $w && [$w cget -state] ne "disabled"} {
|
||
# Only invoke the command if it wasn't already invoked by the
|
||
# auto-repeater functionality
|
||
if { $Priv(repeated) == 0 } {
|
||
uplevel #0 [list $w invoke]
|
||
}
|
||
}
|
||
}
|
||
}
|
||
|
||
}
|
||
|
||
##################
|
||
# Shared routines
|
||
##################
|
||
|
||
# ::tk::ButtonInvoke --
|
||
# 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 ::tk::ButtonInvoke w {
|
||
if {[winfo exists $w] && [$w cget -state] ne "disabled"} {
|
||
set oldRelief [$w cget -relief]
|
||
set oldState [$w cget -state]
|
||
$w configure -state active -relief sunken
|
||
after 100 [list ::tk::ButtonInvokeEnd $w $oldState $oldRelief]
|
||
}
|
||
}
|
||
|
||
# ::tk::ButtonInvokeEnd --
|
||
# The procedure below is called after a button is invoked through
|
||
# the keyboard. It simulate a release of the button via the mouse.
|
||
#
|
||
# Arguments:
|
||
# w - The name of the widget.
|
||
# oldState - Old state to be set back.
|
||
# oldRelief - Old relief to be set back.
|
||
|
||
proc ::tk::ButtonInvokeEnd {w oldState oldRelief} {
|
||
if {[winfo exists $w]} {
|
||
$w configure -state $oldState -relief $oldRelief
|
||
uplevel #0 [list $w invoke]
|
||
}
|
||
}
|
||
|
||
# ::tk::ButtonAutoInvoke --
|
||
#
|
||
# Invoke an auto-repeating button, and set it up to continue to repeat.
|
||
#
|
||
# Arguments:
|
||
# w button to invoke.
|
||
#
|
||
# Results:
|
||
# None.
|
||
#
|
||
# Side effects:
|
||
# May create an after event to call ::tk::ButtonAutoInvoke.
|
||
|
||
proc ::tk::ButtonAutoInvoke {w} {
|
||
variable ::tk::Priv
|
||
after cancel $Priv(afterId)
|
||
set delay [$w cget -repeatinterval]
|
||
if {$Priv(window) eq $w} {
|
||
incr Priv(repeated)
|
||
uplevel #0 [list $w invoke]
|
||
}
|
||
if {$delay > 0} {
|
||
set Priv(afterId) [after $delay [list tk::ButtonAutoInvoke $w]]
|
||
}
|
||
}
|
||
|
||
# ::tk::CheckRadioInvoke --
|
||
# The procedure below is invoked when the mouse button is pressed in
|
||
# a checkbutton or radiobutton widget, or when the widget is invoked
|
||
# through the keyboard. It invokes the widget if it
|
||
# isn't disabled.
|
||
#
|
||
# Arguments:
|
||
# w - The name of the widget.
|
||
# cmd - The subcommand to invoke (one of invoke, select, or deselect).
|
||
|
||
proc ::tk::CheckRadioInvoke {w {cmd invoke}} {
|
||
if {[$w cget -state] ne "disabled"} {
|
||
uplevel #0 [list $w $cmd]
|
||
}
|
||
}
|
||
|
||
# Special versions of the handlers for checkbuttons on Unix that do the magic
|
||
# to make things work right when the checkbutton indicator is hidden;
|
||
# radiobuttons don't need this complexity.
|
||
|
||
# ::tk::CheckInvoke --
|
||
# The procedure below invokes the checkbutton, like ButtonInvoke, but handles
|
||
# what to do when the checkbutton indicator is missing. Only used on Unix.
|
||
#
|
||
# Arguments:
|
||
# w - The name of the widget.
|
||
|
||
proc ::tk::CheckInvoke {w} {
|
||
variable ::tk::Priv
|
||
if {[$w cget -state] ne "disabled"} {
|
||
# Additional logic to switch the "selected" colors around if necessary
|
||
# (when we're indicator-less).
|
||
|
||
if {![$w cget -indicatoron] && [info exist Priv($w,selectcolor)]} {
|
||
if {[$w cget -selectcolor] eq $Priv($w,aselectcolor)} {
|
||
$w configure -selectcolor $Priv($w,selectcolor)
|
||
} else {
|
||
$w configure -selectcolor $Priv($w,aselectcolor)
|
||
}
|
||
}
|
||
uplevel #0 [list $w invoke]
|
||
}
|
||
}
|
||
|
||
# ::tk::CheckEnter --
|
||
# The procedure below enters the checkbutton, like ButtonEnter, but handles
|
||
# what to do when the checkbutton indicator is missing. Only used on Unix.
|
||
#
|
||
# Arguments:
|
||
# w - The name of the widget.
|
||
|
||
proc ::tk::CheckEnter {w} {
|
||
variable ::tk::Priv
|
||
if {[$w cget -state] ne "disabled"} {
|
||
# On unix the state is active just with mouse-over
|
||
$w configure -state active
|
||
|
||
# If the mouse button is down, set the relief to sunken on entry.
|
||
# Overwise, if there's an -overrelief value, set the relief to that.
|
||
|
||
set Priv($w,relief) [$w cget -relief]
|
||
if {$Priv(buttonWindow) eq $w} {
|
||
$w configure -relief sunken
|
||
set Priv($w,prelief) sunken
|
||
} elseif {[set over [$w cget -overrelief]] ne ""} {
|
||
$w configure -relief $over
|
||
set Priv($w,prelief) $over
|
||
}
|
||
|
||
# Compute what the "selected and active" color should be.
|
||
|
||
if {![$w cget -indicatoron] && [$w cget -selectcolor] ne ""} {
|
||
set Priv($w,selectcolor) [$w cget -selectcolor]
|
||
lassign [winfo rgb $w [$w cget -selectcolor]] r1 g1 b1
|
||
lassign [winfo rgb $w [$w cget -activebackground]] r2 g2 b2
|
||
set Priv($w,aselectcolor) \
|
||
[format "#%04x%04x%04x" [expr {($r1+$r2)/2}] \
|
||
[expr {($g1+$g2)/2}] [expr {($b1+$b2)/2}]]
|
||
# use uplevel to work with other var resolvers
|
||
if {[uplevel #0 [list set [$w cget -variable]]]
|
||
eq [$w cget -onvalue]} {
|
||
$w configure -selectcolor $Priv($w,aselectcolor)
|
||
}
|
||
}
|
||
}
|
||
set Priv(window) $w
|
||
}
|
||
|
||
# ::tk::CheckLeave --
|
||
# The procedure below leaves the checkbutton, like ButtonLeave, but handles
|
||
# what to do when the checkbutton indicator is missing. Only used on Unix.
|
||
#
|
||
# Arguments:
|
||
# w - The name of the widget.
|
||
|
||
proc ::tk::CheckLeave {w} {
|
||
variable ::tk::Priv
|
||
if {[$w cget -state] ne "disabled"} {
|
||
$w configure -state normal
|
||
}
|
||
|
||
# Restore the original button "selected" color; assume that the user
|
||
# wasn't monkeying around with things too much.
|
||
|
||
if {![$w cget -indicatoron] && [info exist Priv($w,selectcolor)]} {
|
||
$w configure -selectcolor $Priv($w,selectcolor)
|
||
}
|
||
unset -nocomplain Priv($w,selectcolor) Priv($w,aselectcolor)
|
||
|
||
# Restore the original button relief if it was changed by Tk. That is
|
||
# signaled by the existence of Priv($w,prelief).
|
||
|
||
if {[info exists Priv($w,relief)]} {
|
||
if {[info exists Priv($w,prelief)] && \
|
||
$Priv($w,prelief) eq [$w cget -relief]} {
|
||
$w configure -relief $Priv($w,relief)
|
||
}
|
||
unset -nocomplain Priv($w,relief) Priv($w,prelief)
|
||
}
|
||
|
||
set Priv(window) ""
|
||
}
|
||
|
||
return
|
||
|
||
# Local Variables:
|
||
# mode: tcl
|
||
# fill-column: 78
|
||
# End:
|