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-rw-r--r--library/demos/image2.tcl48
1 files changed, 36 insertions, 12 deletions
diff --git a/library/demos/image2.tcl b/library/demos/image2.tcl
index 6d3be0f..e7195e6 100644
--- a/library/demos/image2.tcl
+++ b/library/demos/image2.tcl
@@ -3,7 +3,7 @@
# This demonstration script creates a simple collection of widgets
# that allow you to select and view images in a Tk label.
#
-# RCS: @(#) $Id: image2.tcl,v 1.3 2001/08/10 08:33:35 dkf Exp $
+# RCS: @(#) $Id: image2.tcl,v 1.4 2001/11/15 14:02:47 dkf Exp $
if {![info exists widgetDemo]} {
error "This script should be run from the \"widget\" demo."
@@ -25,6 +25,23 @@ proc loadDir w {
}
}
+# loadDir --
+# This procedure pops up a dialog to ask for a directory to load into
+# the listobx and (if the user presses OK) reloads the directory
+# listbox from the directory named in the demo's entry.
+#
+# Arguments:
+# w - Name of the toplevel window of the demo.
+
+proc selectAndLoadDir w {
+ global dirName
+ set dir [tk_chooseDirectory -initialdir $dirName -parent $w -mustexist 1]
+ if {[string length $dir] != 0} {
+ set dirName $dir
+ loadDir $w
+ }
+}
+
# loadImage --
# Given the name of the toplevel window of the demo and the mouse
# position, extracts the directory entry under the mouse and loads
@@ -57,14 +74,18 @@ button $w.buttons.dismiss -text Dismiss -command "destroy $w"
button $w.buttons.code -text "See Code" -command "showCode $w"
pack $w.buttons.dismiss $w.buttons.code -side left -expand 1
-label $w.dirLabel -text "Directory:"
+frame $w.mid
+pack $w.mid -fill both -expand 1
+
+labelframe $w.dir -text "Directory:"
set dirName [file join $tk_library demos images]
-entry $w.dirName -width 30 -textvariable dirName
-bind $w.dirName <Return> "loadDir $w"
-frame $w.spacer1 -height 3m -width 20
-label $w.fileLabel -text "File:"
-frame $w.f
-pack $w.dirLabel $w.dirName $w.spacer1 $w.fileLabel $w.f -side top -anchor w
+entry $w.dir.e -width 30 -textvariable dirName
+button $w.dir.b -pady 0 -padx 2m -text "Select Dir." \
+ -command "selectAndLoadDir $w"
+bind $w.dir.e <Return> "loadDir $w"
+pack $w.dir.e -side left -fill y -padx 2m -pady 2m
+pack $w.dir.b -side left -fill y -padx {0 2m} -pady 2m
+labelframe $w.f -text "File:" -padx 2m -pady 2m
listbox $w.f.list -width 20 -height 10 -yscrollcommand "$w.f.scroll set"
scrollbar $w.f.scroll -command "$w.f.list yview"
@@ -74,7 +95,10 @@ bind $w.f.list <Double-1> "loadImage $w %x %y"
catch {image delete image2a}
image create photo image2a
-frame $w.spacer2 -height 3m -width 20
-label $w.imageLabel -text "Image:"
-label $w.image -image image2a
-pack $w.spacer2 $w.imageLabel $w.image -side top -anchor w
+labelframe $w.image -text "Image:"
+label $w.image.image -image image2a
+pack $w.image.image -padx 2m -pady 2m
+
+grid $w.dir - -sticky w -padx 1m -pady 1m -in $w.mid
+grid $w.f $w.image -sticky nw -padx 1m -pady 1m -in $w.mid
+grid columnconfigure $w.mid 1 -weight 1