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

   1 # menu.tcl --
   2 #
   3 # This demonstration script creates a window with a bunch of menus
   4 # and cascaded menus using menubars.
   5 #
   6 # RCS: @(#) $Id: menu.tcl,v 1.11 2007/04/23 21:16:00 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 .menu
  15 catch {destroy $w}
  16 toplevel $w
  17 wm title $w "Menu Demonstration"
  18 wm iconname $w "menu"
  19 positionWindow $w
  20
  21 label $w.msg -font $font -wraplength 4i -justify left
  22 if {[tk windowingsystem] eq "aqua"} {
  23     catch {set origUseCustomMDEF $::tk::mac::useCustomMDEF; set ::tk::mac::useCustomMDEF 1}
  24     $w.msg configure -text "This window has a menubar with cascaded menus.  You can invoke entries with an accelerator by typing Command+x, where \"x\" is the character next to the command key symbol. The rightmost menu can be torn off into a palette by selecting the first item in the menu."
  25 } else {
  26     $w.msg configure -text "This window contains a menubar with cascaded menus.  You can post a menu from the keyboard by typing Alt+x, where \"x\" is the character underlined on the menu.  You can then traverse among the menus using the arrow keys.  When a menu is posted, you can invoke the current entry by typing space, or you can invoke any entry by typing its underlined character.  If a menu entry has an accelerator, you can invoke the entry without posting the menu just by typing the accelerator. The rightmost menu can be torn off into a palette by selecting the first item in the menu."
  27 }
  28 pack $w.msg -side top
  29
  30 set menustatus "    "
  31 frame $w.statusBar
  32 label $w.statusBar.label -textvariable menustatus -relief sunken -bd 1 -font "Helvetica 10" -anchor w
  33 pack $w.statusBar.label -side left -padx 2 -expand yes -fill both
  34 pack $w.statusBar -side bottom -fill x -pady 2
  35
  36 ## See Code / Dismiss buttons
  37 set btns [addSeeDismiss $w.buttons $w]
  38 pack $btns -side bottom -fill x
  39
  40 menu $w.menu -tearoff 0
  41
  42 set m $w.menu.file
  43 menu $m -tearoff 0
  44 $w.menu add cascade -label "File" -menu $m -underline 0
  45 $m add command -label "Open..." -command {error "this is just a demo: no action has been defined for the \"Open...\" entry"}
  46 $m add command -label "New" -command {error "this is just a demo: no action has been defined for the \"New\" entry"}
  47 $m add command -label "Save" -command {error "this is just a demo: no action has been defined for the \"Save\" entry"}
  48 $m add command -label "Save As..." -command {error "this is just a demo: no action has been defined for the \"Save As...\" entry"}
  49 $m add separator
  50 $m add command -label "Print Setup..." -command {error "this is just a demo: no action has been defined for the \"Print Setup...\" entry"}
  51 $m add command -label "Print..." -command {error "this is just a demo: no action has been defined for the \"Print...\" entry"}
  52 $m add separator
  53 $m add command -label "Dismiss Menus Demo" -command "destroy $w"
  54
  55 set m $w.menu.basic
  56 $w.menu add cascade -label "Basic" -menu $m -underline 0
  57 menu $m -tearoff 0
  58 $m add command -label "Long entry that does nothing"
  59 if {[tk windowingsystem] eq "aqua"} {
  60     set modifier Command
  61 } elseif {$tcl_platform(platform) == "windows"} {
  62     set modifier Control
  63 } else {
  64     set modifier Meta
  65 }
  66 foreach i {A B C D E F} {
  67     $m add command -label "Print letter \"$i\"" -underline 14 \
  68             -accelerator Meta+$i -command "puts $i" -accelerator $modifier+$i
  69     bind $w <$modifier-[string tolower $i]> "puts $i"
  70 }
  71
  72 set m $w.menu.cascade
  73 $w.menu add cascade -label "Cascades" -menu $m -underline 0
  74 menu $m -tearoff 0
  75 $m add command -label "Print hello" \
  76         -command {puts stdout "Hello"} -accelerator $modifier+H -underline 6
  77 bind $w <$modifier-h> {puts stdout "Hello"}
  78 $m add command -label "Print goodbye" -command {\
  79     puts stdout "Goodbye"} -accelerator $modifier+G -underline 6
  80 bind $w <$modifier-g> {puts stdout "Goodbye"}
  81 $m add cascade -label "Check buttons" \
  82         -menu $w.menu.cascade.check -underline 0
  83 $m add cascade -label "Radio buttons" \
  84         -menu $w.menu.cascade.radio -underline 0
  85
  86 set m $w.menu.cascade.check
  87 menu $m -tearoff 0
  88 $m add check -label "Oil checked" -variable oil
  89 $m add check -label "Transmission checked" -variable trans
  90 $m add check -label "Brakes checked" -variable brakes
  91 $m add check -label "Lights checked" -variable lights
  92 $m add separator
  93 $m add command -label "Show current values" \
  94     -command "showVars $w.menu.cascade.dialog oil trans brakes lights"
  95 $m invoke 1
  96 $m invoke 3
  97
  98 set m $w.menu.cascade.radio
  99 menu $m -tearoff 0
 100 $m add radio -label "10 point" -variable pointSize -value 10
 101 $m add radio -label "14 point" -variable pointSize -value 14
 102 $m add radio -label "18 point" -variable pointSize -value 18
 103 $m add radio -label "24 point" -variable pointSize -value 24
 104 $m add radio -label "32 point" -variable pointSize -value 32
 105 $m add sep
 106 $m add radio -label "Roman" -variable style -value roman
 107 $m add radio -label "Bold" -variable style -value bold
 108 $m add radio -label "Italic" -variable style -value italic
 109 $m add sep
 110 $m add command -label "Show current values" \
 111         -command "showVars $w.menu.cascade.dialog pointSize style"
 112 $m invoke 1
 113 $m invoke 7
 114
 115 set m $w.menu.icon
 116 $w.menu add cascade -label "Icons" -menu $m -underline 0
 117 menu $m -tearoff 0
 118 # Main widget program sets variable tk_demoDirectory
 119 $m add command -bitmap @[file join $tk_demoDirectory images pattern.xbm] \
 120     -hidemargin 1 -command [list \
 121         tk_dialog $w.pattern {Bitmap Menu Entry} \
 122                 "The menu entry you invoked displays a bitmap rather than\
 123                 a text string.  Other than this, it is just like any other\
 124                 menu entry." {} 0 OK ]
 125 foreach i {info questhead error} {
 126     $m add command -bitmap $i -hidemargin 1 -command [list \
 127             puts "You invoked the $i bitmap" ]
 128 }
 129 $m entryconfigure 2 -columnbreak 1
 130
 131 set m $w.menu.more
 132 $w.menu add cascade -label "More" -menu $m -underline 0
 133 menu $m -tearoff 0
 134 foreach i {{An entry} {Another entry} {Does nothing} {Does almost nothing} {Make life meaningful}} {
 135     $m add command -label $i -command [list puts "You invoked \"$i\""]
 136 }
 137 $m entryconfigure "Does almost nothing" -bitmap questhead -compound left \
 138         -command [list \
 139         tk_dialog $w.compound {Compound Menu Entry} \
 140                 "The menu entry you invoked displays both a bitmap and a\
 141                 text string.  Other than this, it is just like any other\
 142                 menu entry." {} 0 OK ]
 143
 144 set m $w.menu.colors
 145 $w.menu add cascade -label "Colors" -menu $m -underline 1
 146 menu $m -tearoff 1
 147 foreach i {red orange yellow green blue} {
 148     $m add command -label $i -background $i -command [list \
 149             puts "You invoked \"$i\"" ]
 150 }
 151
 152 $w configure -menu $w.menu
 153
 154 bind Menu <<MenuSelect>> {
 155     global $menustatus
 156     if {[catch {%W entrycget active -label} label]} {
 157         set label "    "
 158     }
 159     set menustatus $label
 160     update idletasks
 161 }
 162
 163 if {[tk windowingsystem] eq "aqua"} {catch {set ::tk::mac::useCustomMDEF $origUseCustomMDEF}}