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a25fbe3b3e
* parse.y: encoding aware parsing. * parse.y (pragma_encoding): encoding specification pragma. * parse.y (rb_intern3): encoding specified symbols. * string.c (rb_str_length): length based on characters. for older behavior, bytesize method added. * string.c (rb_str_index_m): index based on characters. rindex as well. * string.c (succ_char): encoding aware succeeding string. * string.c (rb_str_reverse): reverse based on characters. * string.c (rb_str_inspect): encoding aware string description. * string.c (rb_str_upcase_bang): encoding aware case conversion. downcase, capitalize, swapcase as well. * string.c (rb_str_tr_bang): tr based on characters. delete, squeeze, tr_s, count as well. * string.c (rb_str_split_m): split based on characters. * string.c (rb_str_each_line): encoding aware each_line. * string.c (rb_str_each_char): added. iteration based on characters. * string.c (rb_str_strip_bang): encoding aware whitespace stripping. lstrip, rstrip as well. * string.c (rb_str_justify): encoding aware justifying (ljust, rjust, center). * string.c (str_encoding): get encoding attribute from a string. * re.c (rb_reg_initialize): encoding aware regular expression * sprintf.c (rb_str_format): formatting (i.e. length count) based on characters. * io.c (rb_io_getc): getc to return one-character string. for older behavior, getbyte method added. * ext/stringio/stringio.c (strio_getc): ditto. * io.c (rb_io_ungetc): allow pushing arbitrary string at the current reading point. * ext/stringio/stringio.c (strio_ungetc): ditto. * ext/strscan/strscan.c: encoding support. git-svn-id: svn+ssh://ci.ruby-lang.org/ruby/trunk@13261 b2dd03c8-39d4-4d8f-98ff-823fe69b080e
124 lines
3.5 KiB
Ruby
124 lines
3.5 KiB
Ruby
# -*- coding: euc-jp -*-
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# image3.rb
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#
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# This demonstration script creates a simple collection of widgets
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# that allow you to select and view images in a Tk label.
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#
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# widget demo 'load image' (called by 'widget')
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#
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# toplevel widget
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if defined?($image3_demo) && $image3_demo
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$image3_demo.destroy
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$image3_demo = nil
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end
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# demo toplevel widget
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$image3_demo = TkToplevel.new {|w|
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title('Image Demonstration #3')
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iconname("Image3")
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positionWindow(w)
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}
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#
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def loadDir3(w)
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w.delete(0,'end')
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Dir.glob([$dirName,'*'].join(File::Separator)).sort.each{|f|
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w.insert('end',File.basename(f))
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}
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end
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# selectAndLoadDir3 --
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# This procedure pops up a dialog to ask for a directory to load into
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# the listobx and (if the user presses OK) reloads the directory
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# listbox from the directory named in the demo's entry.
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#
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# Arguments:
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# w - Name of the toplevel window of the demo.
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def selectAndLoadDir3(w, lbox)
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dir = Tk.chooseDirectory(:initialdir=>$dirName.value,
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:parent=>w, :mustexist=>true)
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if dir.length > 0
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$dirName.value = dir
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loadDir3(lbox)
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end
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end
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def loadImage3(w,x,y)
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$image3a.file([$dirName, w.get("@#{x},#{y}")].join(File::Separator))
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end
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# label
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msg = TkLabel.new($image3_demo) {
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font $font
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wraplength '4i'
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justify 'left'
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text "このデモではTkの photo image を使用して画像を 見ることができます。最初にエントリ内ににディレクトリ名を入れて下さい。次に下のリストボックスにこのディレクトリをロードするため、リターンを押してください。その後、画像を選択するためにリストボックスの中のファイル名をダブルクリックして下さい。"
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}
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msg.pack('side'=>'top')
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# frame
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TkFrame.new($image3_demo) {|frame|
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TkButton.new(frame) {
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#text '了解'
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text '閉じる'
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command proc{
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tmppath = $image3_demo
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$image3_demo = nil
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tmppath.destroy
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}
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}.pack('side'=>'left', 'expand'=>'yes')
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TkButton.new(frame) {
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text 'コード参照'
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command proc{showCode 'image3'}
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}.pack('side'=>'left', 'expand'=>'yes')
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}.pack('side'=>'bottom', 'fill'=>'x', 'pady'=>'2m')
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# variable
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$dirName = TkVariable.new([$demo_dir,'..','images'].join(File::Separator))
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# image
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begin
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$image3a.delete
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rescue
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end
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$image3a = TkPhotoImage.new
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#
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image3_f = TkFrame.new($image3_demo).pack(:fill=>:both, :expand=>true)
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image3_df = TkLabelFrame.new($image3_demo, :text=>'ディレクトリ:')
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image3_ff = TkLabelFrame.new($image3_demo, :text=>'ファイル:',
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:padx=>'2m', :pady=>'2m')
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image3_lbx = TkListbox.new(image3_ff, :width=>20, :height=>10) {
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pack(:side=>:left, :fill=>:y, :expand=>true)
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yscrollbar(TkScrollbar.new(image3_ff).pack(:side=>:left, :fill=>:y,
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:expand=>true))
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insert(0, *(%w(earth.gif earthris.gif teapot.ppm)))
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bind('Double-1', proc{|x,y| loadImage3(self, x, y)}, '%x %y')
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}
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image3_ent = TkEntry.new(image3_df, :width=>30, :textvariable=>$dirName){
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pack(:side=>:left, :fill=>:both, :padx=>'2m', :pady=>'2m', :expand=>true)
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bind('Return', proc{loadDir3(image3_lbx)})
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}
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TkButton.new(image3_df, :pady=>0, :padx=>'2m', :text=>"ディレクトリ選択",
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:command=>proc{selectAndLoadDir3(image3_ent, image3_lbx)}) {
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pack(:side=>:left, :fill=>:y, :padx=>[0, '2m'], :pady=>'2m')
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}
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image3_if = TkLabelFrame.new($image3_demo, :text=>'イメージ:') {|f|
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TkLabel.new(f, :image=>$image3a).pack(:padx=>'2m', :pady=>'2m')
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}
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Tk.grid(image3_df, '-',
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:sticky=>:ew, :padx=>'1m', :pady=>'1m', :in=>image3_f)
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Tk.grid(image3_ff, image3_if,
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:sticky=>:nw, :padx=>'1m', :pady=>'1m', :in=>image3_f)
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TkGrid.columnconfigure(image3_f, 1, :weight=>1)
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