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Diffstat (limited to 'ext/tk/sample/tkballoonhelp.rb')
| -rw-r--r-- | ext/tk/sample/tkballoonhelp.rb | 99 |
1 files changed, 0 insertions, 99 deletions
diff --git a/ext/tk/sample/tkballoonhelp.rb b/ext/tk/sample/tkballoonhelp.rb deleted file mode 100644 index 312e376a07..0000000000 --- a/ext/tk/sample/tkballoonhelp.rb +++ /dev/null @@ -1,99 +0,0 @@ -# -# tkballoonhelp.rb : simple balloon help widget -# by Hidetoshi NAGAI (nagai@ai.kyutech.ac.jp) -# -# Add a balloon help to a widget. -# This widget has only poor featureas. If you need more useful features, -# please try to use the Tix extension of Tcl/Tk under Ruby/Tk. -# -# The interval time to display a balloon help is defined 'interval' option -# (default is 1000ms). -# -require 'tk' - -class TkBalloonHelp<TkLabel - def _balloon_binding(interval) - @timer = TkAfter.new(interval, 1, proc{show}) - def @timer.interval(val) - @sleep_time = val - end - @bindtag = TkBindTag.new - @bindtag.bind('Enter', proc{@timer.start}) - @bindtag.bind('Motion', proc{@timer.restart; erase}) - @bindtag.bind('Any-ButtonPress', proc{@timer.restart; erase}) - @bindtag.bind('Leave', proc{@timer.stop; erase}) - tags = @parent.bindtags - idx = tags.index(@parent) - tags[idx,0] = @bindtag - @parent.bindtags(tags) - end - private :_balloon_binding - - def initialize(parent=nil, keys={}) - @parent = parent - - @frame = TkToplevel.new(@parent) - @frame.withdraw - @frame.overrideredirect(true) - @frame.transient(TkWinfo.toplevel(@parent)) - @epath = @frame.path - - keys = {} unless keys - - @interval = keys.delete('interval'){1000} - _balloon_binding(@interval) - - @label = TkLabel.new(@frame, 'background'=>'bisque').pack - @label.configure(_symbolkey2str(keys)) unless keys.empty? - @path = @label - end - - def epath - @epath - end - - def interval(val) - if val - @timer.interval(val) - else - @interval - end - end - - def show - x = TkWinfo.pointerx(@parent) - y = TkWinfo.pointery(@parent) - @frame.geometry("+#{x+1}+#{y+1}") - @frame.deiconify - @frame.raise - - @org_cursor = @parent['cursor'] - @parent.cursor('crosshair') - end - - def erase - @parent.cursor(@org_cursor) - @frame.withdraw - end - - def destroy - @frame.destroy - end -end - -################################################ -# test -################################################ -if __FILE__ == $0 - TkButton.new('text'=>'This button has a balloon help') {|b| - pack('fill'=>'x') - TkBalloonHelp.new(b, 'text'=>' Message ') - } - TkButton.new('text'=>'This button has another balloon help') {|b| - pack('fill'=>'x') - TkBalloonHelp.new(b, 'text'=>'configured message', - 'interval'=>500, 'font'=>'courier', - 'background'=>'gray', 'foreground'=>'red') - } - Tk.mainloop -end |
