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

   1 # filebox.tcl --
   2 #
   3 # This demonstration script prompts the user to select a file.
   4
   5 if {![info exists widgetDemo]} {
   6     error "This script should be run from the \"widget\" demo."
   7 }
   8
   9 package require Tk
  10
  11 set w .filebox
  12 catch {destroy $w}
  13 toplevel $w
  14 wm title $w "File Selection Dialogs"
  15 wm iconname $w "filebox"
  16 positionWindow $w
  17
  18 label $w.msg -font $font -wraplength 4i -justify left -text "Enter a file name in the entry box or click on the \"Browse\" buttons to select a file name using the file selection dialog."
  19 pack $w.msg -side top
  20
  21 ## See Code / Dismiss buttons
  22 set btns [addSeeDismiss $w.buttons $w]
  23 pack $btns -side bottom -fill x
  24
  25 foreach i {open save} {
  26     set f [frame $w.$i]
  27     label $f.lab -text "Select a file to $i: " -anchor e
  28     entry $f.ent -width 20
  29     button $f.but -text "Browse ..." -command "fileDialog $w $f.ent $i"
  30     pack $f.lab -side left
  31     pack $f.ent -side left -expand yes -fill x
  32     pack $f.but -side left
  33     pack $f -fill x -padx 1c -pady 3
  34 }
  35
  36 if {[tk windowingsystem] eq "x11"} {
  37     checkbutton $w.strict -text "Use Motif Style Dialog" \
  38         -variable tk_strictMotif -onvalue 1 -offvalue 0
  39     pack $w.strict -anchor c
  40
  41     # This binding ensures that we don't run the rest of the demos
  42     # with motif style interactions
  43     bind $w.strict <Destroy> {set tk_strictMotif 0}
  44 }
  45
  46 proc fileDialog {w ent operation} {
  47     #   Type names              Extension(s)    Mac File Type(s)
  48     #
  49     #---------------------------------------------------------
  50     set types {
  51         {"Text files"           {.txt .doc}     }
  52         {"Text files"           {}              TEXT}
  53         {"Tcl Scripts"          {.tcl}          TEXT}
  54         {"C Source Files"       {.c .h}         }
  55         {"All Source Files"     {.tcl .c .h}    }
  56         {"Image Files"          {.gif}          }
  57         {"Image Files"          {.jpeg .jpg}    }
  58         {"Image Files"          ""              {GIFF JPEG}}
  59         {"All files"            *}
  60     }
  61     if {$operation == "open"} {
  62         global selected_type
  63         if {![info exists selected_type]} {
  64             set selected_type "Tcl Scripts"
  65         }
  66         set file [tk_getOpenFile -filetypes $types -parent $w \
  67                 -typevariable selected_type]
  68         puts "You selected filetype \"$selected_type\""
  69     } else {
  70         set file [tk_getSaveFile -filetypes $types -parent $w \
  71                 -initialfile Untitled -defaultextension .txt]
  72     }
  73     if {[string compare $file ""]} {
  74         $ent delete 0 end
  75         $ent insert 0 $file
  76         $ent xview end
  77     }
  78 }