More widget demos!

1 files changed, 35 insertions, 6 deletions

diff --git a/library/demos/ttkbut.tcl b/library/demos/ttkbut.tcl
index 9af0963..1d058eb 100644
--- a/library/demos/ttkbut.tcl
+++ b/library/demos/ttkbut.tcl
@@ -4,7 +4,7 @@
 # simple Ttk widgets, such as labels, labelframes, buttons, checkbuttons and
 # radiobuttons.
 #
-# RCS: @(#) $Id: ttkbut.tcl,v 1.2 2007/10/17 18:21:49 das Exp $
+# RCS: @(#) $Id: ttkbut.tcl,v 1.3 2007/10/22 14:21:10 dkf Exp $
 
 if {![info exists widgetDemo]} {
     error "This script should be run from the \"widget\" demo."
@@ -20,13 +20,14 @@ wm title $w "Simple Ttk Widgets"
 wm iconname $w "ttkbut"
 positionWindow $w
 
-ttk::label $w.msg -font $font -wraplength 4i -justify left -text "Ttk is the new Tk themed widget set. This is a Ttk themed label, and below are three groups of Ttk widgets in Ttk labelframes. The first group are all buttons that set the current application theme when pressed. The second group contains checkbuttons, with a separator widget between the first pair and the second. The third group has a collection of linked radiobuttons."
+ttk::label $w.msg -font $font -wraplength 4i -justify left -text "Ttk is the new Tk themed widget set. This is a Ttk themed label, and below are three groups of Ttk widgets in Ttk labelframes. The first group are all buttons that set the current application theme when pressed. The second group contains three sets of checkbuttons, with a separator widget between the sets. Note that the \u201cEnabled\u201d button controls whether all the other themed widgets in this toplevel are in the disabled state. The third group has a collection of linked radiobuttons."
 pack $w.msg -side top -fill x
 
 ## See Code / Dismiss
-pack [addSeeDismiss $w.seeDismiss $w {cheese tomato basil oregano happyness}]\
+pack [addSeeDismiss $w.seeDismiss $w {enabled cheese tomato basil oregano happyness}]\
 	-side bottom -fill x
 
+## Add buttons for setting the theme
 ttk::labelframe $w.buttons -text "Buttons"
 foreach theme [ttk::themes] {
     ttk::button $w.buttons.$theme -text $theme \
@@ -34,15 +35,42 @@ foreach theme [ttk::themes] {
     pack $w.buttons.$theme -pady 2
 }
 
+## Helper procedure for the top checkbutton
+proc setState {rootWidget exceptThese value} {
+    if {$rootWidget in $exceptThese} {
+	return
+    }
+    ## Non-Ttk widgets (e.g. the toplevel) will fail, so make it silent
+    catch {
+	$rootWidget state $value
+    }
+    ## Recursively invoke on all children of this root that are in the same
+    ## toplevel widget
+    foreach w [winfo children $rootWidget] {
+	if {[winfo toplevel $w] eq [winfo toplevel $rootWidget]} {
+	    setState $w $exceptThese $value
+	}
+    }
+}
+
+## Set up the checkbutton group
 ttk::labelframe $w.checks -text "Checkbuttons"
+ttk::checkbutton $w.checks.e  -text Enabled -variable enabled -command {
+    setState .ttkbut .ttkbut.checks.e \
+	    [expr {$enabled ? "!disabled" : "disabled"}]
+}
+set enabled 1
+## See ttk_widget(n) for other possible state flags
+ttk::separator   $w.checks.sep1
 ttk::checkbutton $w.checks.c1 -text Cheese  -variable cheese
 ttk::checkbutton $w.checks.c2 -text Tomato  -variable tomato
-ttk::separator   $w.checks.sep
+ttk::separator   $w.checks.sep2
 ttk::checkbutton $w.checks.c3 -text Basil   -variable basil
 ttk::checkbutton $w.checks.c4 -text Oregano -variable oregano
-pack $w.checks.c1 $w.checks.c2 $w.checks.sep $w.checks.c3 $w.checks.c4 \
-	-fill x -pady 2
+pack $w.checks.e $w.checks.sep1 $w.checks.c1 $w.checks.c2 $w.checks.sep2 \
+	$w.checks.c3 $w.checks.c4   -fill x -pady 2
 
+## Set up the radiobutton group
 ttk::labelframe $w.radios -text "Radiobuttons"
 ttk::radiobutton $w.radios.r1 -text "Great" -variable happyness -value great
 ttk::radiobutton $w.radios.r2 -text "Good" -variable happyness -value good
@@ -52,6 +80,7 @@ ttk::radiobutton $w.radios.r5 -text "Awful" -variable happyness -value awful
 pack $w.radios.r1 $w.radios.r2 $w.radios.r3 $w.radios.r4 $w.radios.r5 \
 	-fill x -padx 3 -pady 2
 
+## Arrange things neatly
 pack [ttk::frame $w.f] -fill both -expand 1
 lower $w.f
 grid $w.buttons $w.checks $w.radios -in $w.f -sticky nwe -pady 2 -padx 3