diff options
Diffstat (limited to 'library/demos')
| -rw-r--r-- | library/demos/image2.tcl | 48 |
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 |