summaryrefslogtreecommitdiff
path: root/ext/tk/sample/tkballoonhelp.rb
diff options
context:
space:
mode:
Diffstat (limited to 'ext/tk/sample/tkballoonhelp.rb')
-rw-r--r--ext/tk/sample/tkballoonhelp.rb99
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