openmedialibrary_platform_w.../tcl/tk8.6/demos/filebox.tcl

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2019-01-20 10:35:31 +00:00
# filebox.tcl --
#
# This demonstration script prompts the user to select a file.
if {![info exists widgetDemo]} {
error "This script should be run from the \"widget\" demo."
}
package require Tk
set w .filebox
catch {destroy $w}
toplevel $w
wm title $w "File Selection Dialogs"
wm iconname $w "filebox"
positionWindow $w
ttk::frame $w._bg
place $w._bg -x 0 -y 0 -relwidth 1 -relheight 1
ttk::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."
pack $w.msg -side top
## See Code / Dismiss buttons
set btns [addSeeDismiss $w.buttons $w]
pack $btns -side bottom -fill x
foreach i {open save} {
set f [ttk::frame $w.$i]
ttk::label $f.lab -text "Select a file to $i: " -anchor e
ttk::entry $f.ent -width 20
ttk::button $f.but -text "Browse ..." -command "fileDialog $w $f.ent $i"
pack $f.lab -side left
pack $f.ent -side left -expand yes -fill x
pack $f.but -side left
pack $f -fill x -padx 1c -pady 3
}
if {[tk windowingsystem] eq "x11"} {
ttk::checkbutton $w.strict -text "Use Motif Style Dialog" \
-variable tk_strictMotif -onvalue 1 -offvalue 0
pack $w.strict -anchor c
# This binding ensures that we don't run the rest of the demos
# with motif style interactions
bind $w.strict <Destroy> {set tk_strictMotif 0}
}
proc fileDialog {w ent operation} {
# Type names Extension(s) Mac File Type(s)
#
#---------------------------------------------------------
set types {
{"Text files" {.txt .doc} }
{"Text files" {} TEXT}
{"Tcl Scripts" {.tcl} TEXT}
{"C Source Files" {.c .h} }
{"All Source Files" {.tcl .c .h} }
{"Image Files" {.gif} }
{"Image Files" {.jpeg .jpg} }
{"Image Files" "" {GIFF JPEG}}
{"All files" *}
}
if {$operation == "open"} {
global selected_type
if {![info exists selected_type]} {
set selected_type "Tcl Scripts"
}
set file [tk_getOpenFile -filetypes $types -parent $w \
-typevariable selected_type]
puts "You selected filetype \"$selected_type\""
} else {
set file [tk_getSaveFile -filetypes $types -parent $w \
-initialfile Untitled -defaultextension .txt]
}
if {[string compare $file ""]} {
$ent delete 0 end
$ent insert 0 $file
$ent xview end
}
}