lib/tk8.4/demos/filebox.tcl

   1 # filebox.tcl --
   2 #
   3 # This demonstration script prompts the user to select a file.
   4 #
   5 # RCS: @(#) $Id: filebox.tcl,v 1.3 2001/06/14 10:56:58 dkf Exp $
   6
   7 if {![info exists widgetDemo]} {
   8     error "This script should be run from the \"widget\" demo."
   9 }
  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 frame $w.buttons
  22 pack $w.buttons -side bottom -fill x -pady 2m
  23 button $w.buttons.dismiss -text Dismiss -command "destroy $w"
  24 button $w.buttons.code -text "See Code" -command "showCode $w"
  25 pack $w.buttons.dismiss $w.buttons.code -side left -expand 1
  26
  27 foreach i {open save} {
  28     set f [frame $w.$i]
  29     label $f.lab -text "Select a file to $i: " -anchor e
  30     entry $f.ent -width 20
  31     button $f.but -text "Browse ..." -command "fileDialog $w $f.ent $i"
  32     pack $f.lab -side left
  33     pack $f.ent -side left -expand yes -fill x
  34     pack $f.but -side left
  35     pack $f -fill x -padx 1c -pady 3
  36 }
  37
  38 if {![string compare $tcl_platform(platform) unix]} {
  39     checkbutton $w.strict -text "Use Motif Style Dialog" \
  40         -variable tk_strictMotif -onvalue 1 -offvalue 0
  41     pack $w.strict -anchor c
  42 }
  43
  44 proc fileDialog {w ent operation} {
  45     #   Type names              Extension(s)    Mac File Type(s)
  46     #
  47     #---------------------------------------------------------
  48     set types {
  49         {"Text files"           {.txt .doc}     }
  50         {"Text files"           {}              TEXT}
  51         {"Tcl Scripts"          {.tcl}          TEXT}
  52         {"C Source Files"       {.c .h}         }
  53         {"All Source Files"     {.tcl .c .h}    }
  54         {"Image Files"          {.gif}          }
  55         {"Image Files"          {.jpeg .jpg}    }
  56         {"Image Files"          ""              {GIFF JPEG}}
  57         {"All files"            *}
  58     }
  59     if {$operation == "open"} {
  60         set file [tk_getOpenFile -filetypes $types -parent $w]
  61     } else {
  62         set file [tk_getSaveFile -filetypes $types -parent $w \
  63             -initialfile Untitled -defaultextension .txt]
  64     }
  65     if {[string compare $file ""]} {
  66         $ent delete 0 end
  67         $ent insert 0 $file
  68         $ent xview end
  69     }
  70 }