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 if {![info exists widgetDemo]} {
   7     error "This script should be run from the \"widget\" demo."
   8 }
   9
  10 package require Tk
  11
  12 set w .menu
  13 catch {destroy $w}
  14 toplevel $w
  15 wm title $w "Menu Demonstration"
  16 wm iconname $w "menu"
  17 positionWindow $w
  18
  19 label $w.msg -font $font -wraplength 4i -justify left
  20 if {[tk windowingsystem] eq "aqua"} {
  21     catch {set origUseCustomMDEF $::tk::mac::useCustomMDEF; set ::tk::mac::useCustomMDEF 1}
  22     $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."
  23 } else {
  24     $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."
  25 }
  26 pack $w.msg -side top
  27
  28 set menustatus "    "
  29 frame $w.statusBar
  30 label $w.statusBar.label -textvariable menustatus -relief sunken -bd 1 -font "Helvetica 10" -anchor w
  31 pack $w.statusBar.label -side left -padx 2 -expand yes -fill both
  32 pack $w.statusBar -side bottom -fill x -pady 2
  33
  34 ## See Code / Dismiss buttons
  35 set btns [addSeeDismiss $w.buttons $w]
  36 pack $btns -side bottom -fill x
  37
  38 menu $w.menu -tearoff 0
  39
  40 set m $w.menu.file
  41 menu $m -tearoff 0
  42 $w.menu add cascade -label "File" -menu $m -underline 0
  43 $m add command -label "Open..." -command {error "this is just a demo: no action has been defined for the \"Open...\" entry"}
  44 $m add command -label "New" -command {error "this is just a demo: no action has been defined for the \"New\" entry"}
  45 $m add command -label "Save" -command {error "this is just a demo: no action has been defined for the \"Save\" entry"}
  46 $m add command -label "Save As..." -command {error "this is just a demo: no action has been defined for the \"Save As...\" entry"}
  47 $m add separator
  48 $m add command -label "Print Setup..." -command {error "this is just a demo: no action has been defined for the \"Print Setup...\" entry"}
  49 $m add command -label "Print..." -command {error "this is just a demo: no action has been defined for the \"Print...\" entry"}
  50 $m add separator
  51 $m add command -label "Dismiss Menus Demo" -command "destroy $w"
  52
  53 set m $w.menu.basic
  54 $w.menu add cascade -label "Basic" -menu $m -underline 0
  55 menu $m -tearoff 0
  56 $m add command -label "Long entry that does nothing"
  57 if {[tk windowingsystem] eq "aqua"} {
  58     set modifier Command
  59 } elseif {$tcl_platform(platform) == "windows"} {
  60     set modifier Control
  61 } else {
  62     set modifier Meta
  63 }
  64 foreach i {A B C D E F} {
  65     $m add command -label "Print letter \"$i\"" -underline 14 \
  66             -accelerator Meta+$i -command "puts $i" -accelerator $modifier+$i
  67     bind $w <$modifier-[string tolower $i]> "puts $i"
  68 }
  69
  70 set m $w.menu.cascade
  71 $w.menu add cascade -label "Cascades" -menu $m -underline 0
  72 menu $m -tearoff 0
  73 $m add command -label "Print hello" \
  74         -command {puts stdout "Hello"} -accelerator $modifier+H -underline 6
  75 bind $w <$modifier-h> {puts stdout "Hello"}
  76 $m add command -label "Print goodbye" -command {\
  77     puts stdout "Goodbye"} -accelerator $modifier+G -underline 6
  78 bind $w <$modifier-g> {puts stdout "Goodbye"}
  79 $m add cascade -label "Check buttons" \
  80         -menu $w.menu.cascade.check -underline 0
  81 $m add cascade -label "Radio buttons" \
  82         -menu $w.menu.cascade.radio -underline 0
  83
  84 set m $w.menu.cascade.check
  85 menu $m -tearoff 0
  86 $m add check -label "Oil checked" -variable oil
  87 $m add check -label "Transmission checked" -variable trans
  88 $m add check -label "Brakes checked" -variable brakes
  89 $m add check -label "Lights checked" -variable lights
  90 $m add separator
  91 $m add command -label "Show current values" \
  92     -command "showVars $w.menu.cascade.dialog oil trans brakes lights"
  93 $m invoke 1
  94 $m invoke 3
  95
  96 set m $w.menu.cascade.radio
  97 menu $m -tearoff 0
  98 $m add radio -label "10 point" -variable pointSize -value 10
  99 $m add radio -label "14 point" -variable pointSize -value 14
 100 $m add radio -label "18 point" -variable pointSize -value 18
 101 $m add radio -label "24 point" -variable pointSize -value 24
 102 $m add radio -label "32 point" -variable pointSize -value 32
 103 $m add sep
 104 $m add radio -label "Roman" -variable style -value roman
 105 $m add radio -label "Bold" -variable style -value bold
 106 $m add radio -label "Italic" -variable style -value italic
 107 $m add sep
 108 $m add command -label "Show current values" \
 109         -command "showVars $w.menu.cascade.dialog pointSize style"
 110 $m invoke 1
 111 $m invoke 7
 112
 113 set m $w.menu.icon
 114 $w.menu add cascade -label "Icons" -menu $m -underline 0
 115 menu $m -tearoff 0
 116 # Main widget program sets variable tk_demoDirectory
 117 $m add command -bitmap @[file join $tk_demoDirectory images pattern.xbm] \
 118     -hidemargin 1 -command [list \
 119         tk_dialog $w.pattern {Bitmap Menu Entry} \
 120                 "The menu entry you invoked displays a bitmap rather than\
 121                 a text string.  Other than this, it is just like any other\
 122                 menu entry." {} 0 OK ]
 123 foreach i {info questhead error} {
 124     $m add command -bitmap $i -hidemargin 1 -command [list \
 125             puts "You invoked the $i bitmap" ]
 126 }
 127 $m entryconfigure 2 -columnbreak 1
 128
 129 set m $w.menu.more
 130 $w.menu add cascade -label "More" -menu $m -underline 0
 131 menu $m -tearoff 0
 132 foreach i {{An entry} {Another entry} {Does nothing} {Does almost nothing} {Make life meaningful}} {
 133     $m add command -label $i -command [list puts "You invoked \"$i\""]
 134 }
 135 $m entryconfigure "Does almost nothing" -bitmap questhead -compound left \
 136         -command [list \
 137         tk_dialog $w.compound {Compound Menu Entry} \
 138                 "The menu entry you invoked displays both a bitmap and a\
 139                 text string.  Other than this, it is just like any other\
 140                 menu entry." {} 0 OK ]
 141
 142 set m $w.menu.colors
 143 $w.menu add cascade -label "Colors" -menu $m -underline 1
 144 menu $m -tearoff 1
 145 foreach i {red orange yellow green blue} {
 146     $m add command -label $i -background $i -command [list \
 147             puts "You invoked \"$i\"" ]
 148 }
 149
 150 $w configure -menu $w.menu
 151
 152 bind Menu <<MenuSelect>> {
 153     global $menustatus
 154     if {[catch {%W entrycget active -label} label]} {
 155         set label "    "
 156     }
 157     set menustatus $label
 158     update idletasks
 159 }
 160
 161 if {[tk windowingsystem] eq "aqua"} {catch {set ::tk::mac::useCustomMDEF $origUseCustomMDEF}}