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ruby--ruby/ext/tk/sample/demos-jp/image3.rb
nagai 976124788e * ext/tk/README.macosx-aqua: [new document] tips to avoid the known
bug on platform specific dialogs of Tcl/Tk Aqua on MacOS X.
* ext/tk/tcltklib.c: fix bug on switching threads and waiting on the
  deleted interpreter on vwait and tkwait command.
* ext/tk/lib/multi-tk.rb: kill the meaningless loop for the deleted Tk
  interpreter.
* ext/tk/sample/demos-jp/image3.rb: [bug fix] wrong argument.
* ext/tk/sample/demos-en/image3.rb: ditto.
* ext/tk/sample/demos-jp/menu.rb: fix message for MacOS X.
* ext/tk/sample/demos-jp/menu8x.rb: ditto.
* ext/tk/sample/demos-en/menu.rb: ditto.
* ext/tk/sample/demos-jp/widget; update version-info.
* ext/tk/sample/demos-en/widget; ditto.


git-svn-id: svn+ssh://ci.ruby-lang.org/ruby/trunk@9650 b2dd03c8-39d4-4d8f-98ff-823fe69b080e
2005-12-06 16:05:50 +00:00

123 lines
3.5 KiB
Ruby

# image3.rb
#
# This demonstration script creates a simple collection of widgets
# that allow you to select and view images in a Tk label.
#
# widget demo 'load image' (called by 'widget')
#
# toplevel widget
if defined?($image3_demo) && $image3_demo
$image3_demo.destroy
$image3_demo = nil
end
# demo toplevel widget
$image3_demo = TkToplevel.new {|w|
title('Image Demonstration #3')
iconname("Image3")
positionWindow(w)
}
#
def loadDir3(w)
w.delete(0,'end')
Dir.glob([$dirName,'*'].join(File::Separator)).sort.each{|f|
w.insert('end',File.basename(f))
}
end
# selectAndLoadDir3 --
# 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.
def selectAndLoadDir3(w, lbox)
dir = Tk.chooseDirectory(:initialdir=>$dirName.value,
:parent=>w, :mustexist=>true)
if dir.length > 0
$dirName.value = dir
loadDir3(lbox)
end
end
def loadImage3(w,x,y)
$image3a.file([$dirName, w.get("@#{x},#{y}")].join(File::Separator))
end
# label
msg = TkLabel.new($image3_demo) {
font $font
wraplength '4i'
justify 'left'
text "このデモではTkの photo image を使用して画像を 見ることができます。最初にエントリ内ににディレクトリ名を入れて下さい。次に下のリストボックスにこのディレクトリをロードするため、リターンを押してください。その後、画像を選択するためにリストボックスの中のファイル名をダブルクリックして下さい。"
}
msg.pack('side'=>'top')
# frame
TkFrame.new($image3_demo) {|frame|
TkButton.new(frame) {
#text '了解'
text '閉じる'
command proc{
tmppath = $image3_demo
$image3_demo = nil
tmppath.destroy
}
}.pack('side'=>'left', 'expand'=>'yes')
TkButton.new(frame) {
text 'コード参照'
command proc{showCode 'image3'}
}.pack('side'=>'left', 'expand'=>'yes')
}.pack('side'=>'bottom', 'fill'=>'x', 'pady'=>'2m')
# variable
$dirName = TkVariable.new([$demo_dir,'..','images'].join(File::Separator))
# image
begin
$image3a.delete
rescue
end
$image3a = TkPhotoImage.new
#
image3_f = TkFrame.new($image3_demo).pack(:fill=>:both, :expand=>true)
image3_df = TkLabelFrame.new($image3_demo, :text=>'ディレクトリ:')
image3_ff = TkLabelFrame.new($image3_demo, :text=>'ファイル:',
:padx=>'2m', :pady=>'2m')
image3_lbx = TkListbox.new(image3_ff, :width=>20, :height=>10) {
pack(:side=>:left, :fill=>:y, :expand=>true)
yscrollbar(TkScrollbar.new(image3_ff).pack(:side=>:left, :fill=>:y,
:expand=>true))
insert(0, *(%w(earth.gif earthris.gif teapot.ppm)))
bind('Double-1', proc{|x,y| loadImage3(self, x, y)}, '%x %y')
}
image3_ent = TkEntry.new(image3_df, :width=>30, :textvariable=>$dirName){
pack(:side=>:left, :fill=>:both, :padx=>'2m', :pady=>'2m', :expand=>true)
bind('Return', proc{loadDir3(image3_lbx)})
}
TkButton.new(image3_df, :pady=>0, :padx=>'2m', :text=>"ディレクトリ選択",
:command=>proc{selectAndLoadDir3(image3_ent, image3_lbx)}) {
pack(:side=>:left, :fill=>:y, :padx=>[0, '2m'], :pady=>'2m')
}
image3_if = TkLabelFrame.new($image3_demo, :text=>'イメージ:') {|f|
TkLabel.new(f, :image=>$image3a).pack(:padx=>'2m', :pady=>'2m')
}
Tk.grid(image3_df, '-',
:sticky=>:ew, :padx=>'1m', :pady=>'1m', :in=>image3_f)
Tk.grid(image3_ff, image3_if,
:sticky=>:nw, :padx=>'1m', :pady=>'1m', :in=>image3_f)
TkGrid.columnconfigure(image3_f, 1, :weight=>1)