mingw/lib/tk8.5/demos/radio.tcl

   1 # radio.tcl --
   2 #
   3 # This demonstration script creates a toplevel window containing
   4 # several radiobutton widgets.
   5 #
   6 # RCS: @(#) $Id: radio.tcl,v 1.8 2007/04/23 21:16:01 das Exp $
   7
   8 if {![info exists widgetDemo]} {
   9     error "This script should be run from the \"widget\" demo."
  10 }
  11
  12 package require Tk
  13
  14 set w .radio
  15 catch {destroy $w}
  16 toplevel $w
  17 wm title $w "Radiobutton Demonstration"
  18 wm iconname $w "radio"
  19 positionWindow $w
  20 label $w.msg -font $font -wraplength 5i -justify left -text "Three groups of radiobuttons are displayed below.  If you click on a button then the button will become selected exclusively among all the buttons in its group.  A Tcl variable is associated with each group to indicate which of the group's buttons is selected.  When the 'Tristate' button is pressed, the radio buttons will display the tri-state mode. Selecting any radio button will return the buttons to their respective on/off state. Click the \"See Variables\" button to see the current values of the variables."
  21 grid $w.msg -row 0 -column 0 -columnspan 3 -sticky nsew
  22
  23 ## See Code / Dismiss buttons
  24 set btns [addSeeDismiss $w.buttons $w [list size color align]]
  25 grid $btns -row 3 -column 0 -columnspan 3 -sticky ew
  26
  27 labelframe $w.left -pady 2 -text "Point Size" -padx 2
  28 labelframe $w.mid -pady 2 -text "Color" -padx 2
  29 labelframe $w.right -pady 2 -text "Alignment" -padx 2
  30 button $w.tristate -text Tristate -command "set size multi; set color multi" \
  31     -pady 2 -padx 2
  32 if {[tk windowingsystem] eq "aqua"} {
  33     $w.tristate configure -padx 10
  34 }
  35 grid $w.left     -column 0 -row 1 -pady .5c -padx .5c -rowspan 2
  36 grid $w.mid      -column 1 -row 1 -pady .5c -padx .5c -rowspan 2
  37 grid $w.right    -column 2 -row 1 -pady .5c -padx .5c
  38 grid $w.tristate -column 2 -row 2 -pady .5c -padx .5c
  39
  40 foreach i {10 12 14 18 24} {
  41     radiobutton $w.left.b$i -text "Point Size $i" -variable size \
  42             -relief flat -value $i -tristatevalue "multi"
  43     pack $w.left.b$i  -side top -pady 2 -anchor w -fill x
  44 }
  45
  46 foreach c {Red Green Blue Yellow Orange Purple} {
  47     set lower [string tolower $c]
  48     radiobutton $w.mid.$lower -text $c -variable color \
  49             -relief flat -value $lower -anchor w \
  50             -command "$w.mid configure -fg \$color" \
  51         -tristatevalue "multi"
  52     pack $w.mid.$lower -side top -pady 2 -fill x
  53 }
  54
  55
  56 label $w.right.l -text "Label" -bitmap questhead -compound left
  57 $w.right.l configure -width [winfo reqwidth $w.right.l] -compound top
  58 $w.right.l configure -height [winfo reqheight $w.right.l]
  59 foreach a {Top Left Right Bottom} {
  60     set lower [string tolower $a]
  61     radiobutton $w.right.$lower -text $a -variable align \
  62             -relief flat -value $lower -indicatoron 0 -width 7 \
  63             -command "$w.right.l configure -compound \$align"
  64 }
  65
  66 grid x $w.right.top
  67 grid $w.right.left $w.right.l $w.right.right
  68 grid x $w.right.bottom