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* ext/tk/extconf.rb: apply [Backport87 - Backport #5048]
* ext/tk/lib/tk/canvas.rb, ext/tk/sample/demos-{en,jp}/{tree.rb,widget}: fix bug (Thanks to zzak) [ruby-trunk - Bug #8319]
git-svn-id: svn+ssh://ci.ruby-lang.org/ruby/trunk@41347 b2dd03c8-39d4-4d8f-98ff-823fe69b080e
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git-svn-id: svn+ssh://ci.ruby-lang.org/ruby/trunk@40829 b2dd03c8-39d4-4d8f-98ff-823fe69b080e
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git-svn-id: svn+ssh://ci.ruby-lang.org/ruby/trunk@40825 b2dd03c8-39d4-4d8f-98ff-823fe69b080e
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git-svn-id: svn+ssh://ci.ruby-lang.org/ruby/trunk@36895 b2dd03c8-39d4-4d8f-98ff-823fe69b080e
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ext/tk/sample/demos-en/widget, lib/benchmark.rb, lib/irb/cmd/fork.rb,
lib/mkmf.rb, lib/net/ftp.rb, lib/net/smtp.rb, lib/open3.rb,
lib/pstore.rb, lib/rexml/element.rb, lib/rexml/light/node.rb,
lib/rinda/tuplespace.rb, lib/rss/maker/base.rb,
lib/rss/maker/entry.rb, lib/scanf.rb, lib/set.rb, lib/shell.rb,
lib/shell/command-processor.rb, lib/shell/process-controller.rb,
lib/shell/system-command.rb, lib/uri/common.rb: remove unused block
arguments to avoid creating Proc objects.
git-svn-id: svn+ssh://ci.ruby-lang.org/ruby/trunk@33638 b2dd03c8-39d4-4d8f-98ff-823fe69b080e
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git-svn-id: svn+ssh://ci.ruby-lang.org/ruby/trunk@33271 b2dd03c8-39d4-4d8f-98ff-823fe69b080e
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before calling epath. patched by flori
https://github.com/flori/ruby/commit/aa9474d32e5f2c57f8b0e2e0c528a03f06a4d433
git-svn-id: svn+ssh://ci.ruby-lang.org/ruby/trunk@32871 b2dd03c8-39d4-4d8f-98ff-823fe69b080e
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* ext/tk/lib/tk/extconf.rb: cannot make on MinGW [Ruby 1.9 - Bug #4141].
git-svn-id: svn+ssh://ci.ruby-lang.org/ruby/trunk@31742 b2dd03c8-39d4-4d8f-98ff-823fe69b080e
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environment (reported on [ruby-talk:381444]).
* ext/tk/lib/tk/canvas.rb: support creating a canvas item object from an item ID number.
* ext/tk/lib/tk/image.rb: import documents which are pull-requested. [Ruby 1.9 - Feature #4595]
* ext/tk/lib/tk/extconf.rb: search directories for 64bit library (e.g. /usr/lib64), add some new configure options (see README.tcltklib), and bug fix.
* ext/tk/lib/tk/README.tcltklib: modify docs for some new configure options.
git-svn-id: svn+ssh://ci.ruby-lang.org/ruby/trunk@31717 b2dd03c8-39d4-4d8f-98ff-823fe69b080e
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git-svn-id: svn+ssh://ci.ruby-lang.org/ruby/trunk@31689 b2dd03c8-39d4-4d8f-98ff-823fe69b080e
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git-svn-id: svn+ssh://ci.ruby-lang.org/ruby/trunk@31573 b2dd03c8-39d4-4d8f-98ff-823fe69b080e
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[ruby-dev:42716] [Ruby 1.9-Bug#4129]
* ext/tk/lib/multi-tk.rb: when no eventloop is running, ruby freezes at exit.
git-svn-id: svn+ssh://ci.ruby-lang.org/ruby/trunk@30169 b2dd03c8-39d4-4d8f-98ff-823fe69b080e
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versions of kitgen for Tclkit (ready to use Mk4tcl or Vqtcl). And
support working on a file tree extracted from a VFS dataset on
Ruby/Tk-Kit. It's still experimental, because ext/tk/extconf.rb
can't make a Makefile for Ruby/Tk-Kit.
* ext/tk/lib/tk.rb: add comment about TclTkLib::WINDOWING_SYSTEM.
git-svn-id: svn+ssh://ci.ruby-lang.org/ruby/trunk@29087 b2dd03c8-39d4-4d8f-98ff-823fe69b080e
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git-svn-id: svn+ssh://ci.ruby-lang.org/ruby/trunk@28131 b2dd03c8-39d4-4d8f-98ff-823fe69b080e
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are enabled on MacOS X.
* ext/tk/stubs.c: dirty hack for frameworks and stubs on MacOS X.
* ext/tk/lib/tk.rb: stop creating a dummy Tcl/Tk interpreter.
And hide a root window before starting eventloop. (for ruby 1.9)
* ext/tk/tcltklib.c: add codes to support Ruby/Tk-Kit (Rubykit).
git-svn-id: svn+ssh://ci.ruby-lang.org/ruby/trunk@28111 b2dd03c8-39d4-4d8f-98ff-823fe69b080e
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* ext/tk/tcltklib.c: use xfree() for memories allocated by ALLOC().
* ext/tk/tkutil/tkutil.c: ditto.
* ext/tk/lib/tkextlib/version.rb: forgot updating.
git-svn-id: svn+ssh://ci.ruby-lang.org/ruby/trunk@27055 b2dd03c8-39d4-4d8f-98ff-823fe69b080e
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* ext/tk/lib/tk.rb: forgot updating RELEASE_DATE at last commit.
* ext/tk/tkutil/tkutil.c: ditto.
git-svn-id: svn+ssh://ci.ruby-lang.org/ruby/trunk@26901 b2dd03c8-39d4-4d8f-98ff-823fe69b080e
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* ext/tk/lib/tk.rb: [ruby1.9] fix freeze at exit.
* ext/tk/lib/tk.rb: [POTENTIAL INCOMPATIBLE] return NoMethodError
for TkWindow#to_ary and to_str.
* ext/tk/lib/tkextlib/tcllib/plotchart.rb: wrong arguments.
* ext/tk/sampel/tkballoonhelp.rb: fail to support TkEntry widgets.
git-svn-id: svn+ssh://ci.ruby-lang.org/ruby/trunk@26530 b2dd03c8-39d4-4d8f-98ff-823fe69b080e
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git-svn-id: svn+ssh://ci.ruby-lang.org/ruby/trunk@25760 b2dd03c8-39d4-4d8f-98ff-823fe69b080e
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bug on handling of the "other" value.
git-svn-id: svn+ssh://ci.ruby-lang.org/ruby/trunk@25754 b2dd03c8-39d4-4d8f-98ff-823fe69b080e
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git-svn-id: svn+ssh://ci.ruby-lang.org/ruby/trunk@25513 b2dd03c8-39d4-4d8f-98ff-823fe69b080e
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git-svn-id: svn+ssh://ci.ruby-lang.org/ruby/trunk@25488 b2dd03c8-39d4-4d8f-98ff-823fe69b080e
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option of first trace definition.
git-svn-id: svn+ssh://ci.ruby-lang.org/ruby/trunk@25320 b2dd03c8-39d4-4d8f-98ff-823fe69b080e
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'tags' option of a TkcItem object gives a list of TkcTag objects.
* ext/tk/lib/tkextlib/vu/dial.rb: fix logical bug.
* ext/tk/lib/tk/canvas.rb, ext/tk/lib/tkextlib/blt/component.rb:
lack of support for methodcall_optkeys.
git-svn-id: svn+ssh://ci.ruby-lang.org/ruby/trunk@25238 b2dd03c8-39d4-4d8f-98ff-823fe69b080e
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git-svn-id: svn+ssh://ci.ruby-lang.org/ruby/trunk@25218 b2dd03c8-39d4-4d8f-98ff-823fe69b080e
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declarations [ruby-core:22871].
* ext/tk/lib/tcltklib.c: (ruby_1_8) fix warning about RUBY_RELEASE_DATE
* ext/tk/lib/tk/multi-tk.rb: kill zombie threads.
* ext/tk/lib/tk/fontchooser.rb: fix typo and support OptionObj.
* ext/tk/lib/tk/canvas.rb, ext/tk/lib/tk/virtevent.rb,
ext/tk/lib/tk/image.rb, , ext/tk/lib/tk/timer.rb: create unnecessary array.
git-svn-id: svn+ssh://ci.ruby-lang.org/ruby/trunk@24377 b2dd03c8-39d4-4d8f-98ff-823fe69b080e
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git-svn-id: svn+ssh://ci.ruby-lang.org/ruby/trunk@24184 b2dd03c8-39d4-4d8f-98ff-823fe69b080e
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Extend usage pattern of grid_column()/grid_row().
git-svn-id: svn+ssh://ci.ruby-lang.org/ruby/trunk@24180 b2dd03c8-39d4-4d8f-98ff-823fe69b080e
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white space characters on Windows.[ruby-dev:38794]
* ext/tk/lib/tk.rb: works on Cygwin (limitation:: Tk.mainloop works on
the main thread only).
git-svn-id: svn+ssh://ci.ruby-lang.org/ruby/trunk@24154 b2dd03c8-39d4-4d8f-98ff-823fe69b080e
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So, disable the feature and waiting for improvement in the future.
git-svn-id: svn+ssh://ci.ruby-lang.org/ruby/trunk@24100 b2dd03c8-39d4-4d8f-98ff-823fe69b080e
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git-svn-id: svn+ssh://ci.ruby-lang.org/ruby/trunk@24097 b2dd03c8-39d4-4d8f-98ff-823fe69b080e
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* ext/tk/*: Support new features of Tcl/Tk8.6b1 and minor bug fixes.
( [KNOWN BUG] Ruby/Tk on Ruby 1.9 will not work on Cygwin. )
* ext/tk/*: Unify sources between Ruby 1.8 & 1.9.
Improve default_widget_set handling.
* ext/tk/*: Multi-TkInterpreter (multi-tk.rb) works on Ruby 1.8 & 1.9.
( [KNOWN BUG] On Ruby 1.8, join to a long term Thread on Tk
callbacks may freeze. On Ruby 1.9, cannot create a second
master interpreter (creating slaves are OK); supported master
interpreter is the default master interpreter only. )
* ext/tk/lib/tkextlib/*: Update supported versions of Tk extensions.
Tcllib 1.8/Tklib 0.4.1 ==> Tcllib 1.11.1/Tklib 0.5
BWidgets 1.7 ==> BWidgets 1.8
TkTable 2.9 ==> TkTable 2.10
TkTreeCtrl 2005-12-02 ==> TkTreeCtrl 2.2.9
Tile 0.8.0/8.5.1 ==> Tile 0.8.3/8.6b1
IncrTcl 2005-02-14 ==> IncrTcl 2008-12-15
TclX 2005-02-07 ==> TclX 2008-12-15
Trofs 0.4.3 ==> Trofs 0.4.4
git-svn-id: svn+ssh://ci.ruby-lang.org/ruby/trunk@24063 b2dd03c8-39d4-4d8f-98ff-823fe69b080e
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git-svn-id: svn+ssh://ci.ruby-lang.org/ruby/trunk@22784 b2dd03c8-39d4-4d8f-98ff-823fe69b080e
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git-svn-id: svn+ssh://ci.ruby-lang.org/ruby/trunk@22196 b2dd03c8-39d4-4d8f-98ff-823fe69b080e
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Encoding.locale_charmap
git-svn-id: svn+ssh://ci.ruby-lang.org/ruby/trunk@21472 b2dd03c8-39d4-4d8f-98ff-823fe69b080e
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git-svn-id: svn+ssh://ci.ruby-lang.org/ruby/trunk@21406 b2dd03c8-39d4-4d8f-98ff-823fe69b080e
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* ext/tk/sample/demos-jp/widget: set encoding to a demo-code string to
avoid garbled text on the Code Window.
git-svn-id: svn+ssh://ci.ruby-lang.org/ruby/trunk@20903 b2dd03c8-39d4-4d8f-98ff-823fe69b080e
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'parent' and 'variable' options on a Hash argument.
git-svn-id: svn+ssh://ci.ruby-lang.org/ruby/trunk@20476 b2dd03c8-39d4-4d8f-98ff-823fe69b080e
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* ext/tk/tcltklib.c: update RELEASE_DATE
git-svn-id: svn+ssh://ci.ruby-lang.org/ruby/trunk@20475 b2dd03c8-39d4-4d8f-98ff-823fe69b080e
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fix many bugs. Now, those work properly.
git-svn-id: svn+ssh://ci.ruby-lang.org/ruby/trunk@20349 b2dd03c8-39d4-4d8f-98ff-823fe69b080e
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git-svn-id: svn+ssh://ci.ruby-lang.org/ruby/trunk@20303 b2dd03c8-39d4-4d8f-98ff-823fe69b080e
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fix NameError bug.
git-svn-id: svn+ssh://ci.ruby-lang.org/ruby/trunk@20299 b2dd03c8-39d4-4d8f-98ff-823fe69b080e
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* ext/tk/tcltklib.c: ditto.
* ext/tk/extconf.rb: improve the strategy for searching Tcl/Tk headers.
git-svn-id: svn+ssh://ci.ruby-lang.org/ruby/trunk@19852 b2dd03c8-39d4-4d8f-98ff-823fe69b080e
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git-svn-id: svn+ssh://ci.ruby-lang.org/ruby/trunk@17423 b2dd03c8-39d4-4d8f-98ff-823fe69b080e
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git-svn-id: svn+ssh://ci.ruby-lang.org/ruby/trunk@17389 b2dd03c8-39d4-4d8f-98ff-823fe69b080e
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* ext/tk/lib/tk.rb: add a check for safety to Tk.exit.
* ext/tk/sample/irbtkw.rbw: freezes when receives SIGINT.
git-svn-id: svn+ssh://ci.ruby-lang.org/ruby/trunk@17368 b2dd03c8-39d4-4d8f-98ff-823fe69b080e
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* ext/tk/tcltklib.c: avoid error on a shared object.
* ext/tk/extconf.rb: support --with-tcltkversion
* ext/tk/README.tcltklib: add document about --with-tcltkversion
* ext/tk/lib/tk.rb, ext/tk/lib/multi-tk.rb, ext/tk/lib/remote-tk.rb:
not work on $SAFE==4
* ext/tk/lib/multi-tk.rb: Object#methods returns Symbols on Ruby1.9.
* ext/tk/lib/tk/timer.rb: add TkTimer#at_end(proc) to register the
procedure which called at end of the timer.
* ext/tk/lib/tk.rb, ext/tk/lib/tk/itemfont.rb, ext/tk/lib/font.rb:
support __IGNORE_UNKNOWN_CONFIGURE_OPTION__ about font options.
* ext/tk/lib/*: treat __IGNORE_UNKNOWN_CONFIGURE_OPTION__
* ext/tk/lib/tkextlib/iwidgets/scrolledcanvas.rb,
ext/tk/lib/tkextlib/iwidgets/scrolledlistbox.rb,
ext/tk/lib/tkextlib/iwidgets/scrolledtext.rb: bug fix.
* ext/tk/lib/tk/text.rb: typo. call a wrong method.
* ext/tk/lib/tk/itemconfig.rb: ditto.
* ext/tk/lib/tk.rb, ext/tk/lib/tk/itemconfig.rb,
ext/tk/lib/tk/canvas.rb: support alias names of option keys.
* ext/tk/lib/tk/grid.rb: lack of module-method definitions.
* ext/tk/lib/tk/pack.rb, ext/tk/lib/tk/grid.rb: increase supported
parameter patterns of configure method.
* ext/tk/lib/tk.rb: add TkWindow#grid_anchor, grid_column, grid_row.
* ext/tk/lib/tk/wm.rb: methods of Tk::Wm_for_General module cannot
pass the given block to methods of Tk::Wm module.
* ext/tk/lib/tk/wm.rb: Wm#overrideredirect overwrites arguemnt to
an invalid value.
* ext/tk/lib/tk.rb: fix memory (object) leak bug.
* ext/tk/tcltklib.c, ext/tk/tkutil/tkutil.c: fix memory leak.
* ext/tk/sample/demos-jp/aniwave.rb, ext/tk/sample/demos-en/aniwave.rb:
bug fix.
* ext/tk/lib/tkextlib/blt/component.rb,
ext/tk/lib/tkextlib/tile/tentry.rb,
ext/tk/lib/tkextlib/tile/treeview.rb: ditto.
* ext/tk/lib/tkextlib/tile/tpaned.rb: improve TPaned#add.
* ext/tk/sample/demos-jp/widget, ext/tk/sample/demos-en/widget,
ext/tk/sample/demos-jp/style.rb, ext/tk/sample/demos-en/style.rb,
ext/tk/sample/demos-jp/bind.rb, ext/tk/sample/demos-en/bind.rb:
bug fix.
* ext/tk/sample/ttk_wrapper.rb: ditto.
* ext/tk/sample/ttk_wrapper.rb: support "if __FILE__ == $0" idiom.
* ext/tk/sample/tktextio.rb: add binding for 'Ctrl-u' at console mode.
* ext/tk/lib/tkextlib/tile.rb, ext/tk/lib/tkextlib/tile/style.rb,
ext/tk/sample/ttk_wrapper.rb: improve treating and control themes.
add Tk::Tile.themes and Tk::Tile.set_theme(theme).
* ext/tk/lib/tkextlib/tile.rb: lack of autoload definitions.
* ext/tk/lib/tkextlib/tile/tnotebook.rb: cannot use kanji (not UTF-8)
characters for headings.
* ext/tk/lib/tkextlib/tkDND/shape.rb: wrong package name.
* ext/tk/tkutil/tkutil.c: improve handling callback-subst-keys.
Now, support longnam-keys (e.g. '%CTT' on tkdnd-2.0; however, still
not support tkdnd-2.0 on tkextlib), and symbols of parameters (e.g.
:widget=>'%W', :keycode=>'%k', '%x'=>:x, '%X'=>:root_x, and so on;
those are attributes of event object). It means that Ruby/Tk accepts
not only "widget.bind(ev, '%W', '%k', ...){|w, k, ...| ... }", but
also "widget.bind(ev, :widget, :keycode, ...){|w, k, ...| ... }".
It is potentially incompatible, when user passes symbols to the
arguments of the callback block (the block receives the symbols as
strings). I think that is very rare case (probably, used by Ruby/Tk
experts only). When causes such trouble, please give strings instead
of such symbol parameters (e.g. call Symbol#to_s method).
* ext/tk/lib/tk/event.rb, ext/tk/lib/tk/validation.rb,
ext/tk/lib/tkextlib/blt/treeview.rb,
ext/tk/lib/tkextlib/winico/winico.rb: ditto.
* ext/tk/tkutil/tkutil.c: strings are available on subst_tables on
TkUtil::CallbackSubst class (it is useful on Ruby 1.9).
* ext/tk/lib/tk/spinbox.rb, ext/tk/lib/tkextlib/iwidgets/hierarchy.rb,
ext/tk/lib/tkextlib/iwidgets/spinner.rb,
ext/tk/lib/tkextlib/iwidgets/entryfield.rb,
ext/tk/lib/tkextlib/iwidgets/calendar.rb,
ext/tk/lib/tkextlib/blt/dragdrop.rb,
ext/tk/lib/tkextlib/tkDND/tkdnd.rb,
ext/tk/lib/tkextlib/treectrl/tktreectrl.rb,
ext/tk/lib/tkextlib/tktable/tktable.rb: disable code piece became
unnecessary by reason of the changes of ext/tk/tkutil/tkutil.c.
* ext/tk/lib/tk.rb, ext/tk/lib/multi-tk.rb: change strategy to define
the constant WITH_ENCODING.
* ext/tk/lib/tk.rb: fix bug on Tk::Encoding.tk_encoding_names.
git-svn-id: svn+ssh://ci.ruby-lang.org/ruby/trunk@17083 b2dd03c8-39d4-4d8f-98ff-823fe69b080e
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* ext/tk/lib/tkextlib/tile.rb: [incompatible] remove TileWidgets'
instate/state/identify method to avoid the conflict with standard
widget options. Those methods are renamed to ttk_instate/ttk_state/
ttk_identify (tile_instate/tile_state/tile_identify are available
too). Although I don't recommend, if you realy need old methods,
please define "Tk::USE_OBSOLETE_TILE_STATE_METHOD = true" before
"require 'tkextlib/tile'".
* ext/tk/lib/tkextlib/tile.rb: "Tk::Tile::__Import_Tile_Widgets__!"
is obsolete. It outputs warning. To control default widget set,
use "Tk.default_widget_set = :Ttk".
* ext/tk/lib/tk.rb: __IGNORE_UNKNOWN_CONFIGURE_OPTION__ method and
__set_IGNORE_UNKNOWN_CONFIGURE_OPTION__!(mode) method are defind
as module methods of TkConfigMethod. It may help users to wrap old
Ruby/Tk scripts (use standard widgets) to force to use Ttk widgets.
Ttk widgets don't have some options of standard widgets which are
control the view of widgets. When set ignore-mode true, configure
method tries to ignoure such unknown options with no exception.
Of course, it may raise other troubles on the GUI design.
So, those are a little danger methods.
* ext/tk/lib/tk/itemconfig.rb: __IGNORE_UNKNOWN_CONFIGURE_OPTION__
method and __set_IGNORE_UNKNOWN_CONFIGURE_OPTION__!(mode) method
are defind as module methods of TkItemConfigMethod as the same
purpose as TkConfigMethod's ones.
* ext/tk/sample/ttk_wrapper.rb: A new example. This is a tool for
wrapping old Ruby/Tk scripts (which use standard widgets) to use
Ttk (Tile) widgets as default.
* ext/tk/sample/tkextlib/tile/demo.rb: use ttk_instate/ttk_state
method instead of instate/state method.
* ext/tk/lib/tk/root, ext/tk/lib/tk/namespace.rb,
ext/tk/lib/tk/text.rb, ext/tk/lib/tkextlib/*: some 'instance_eval's
are replaced to "instance_exec(self)".
* ext/tk/lib/tk/event.rb: bug fix on KEY_TBL and PROC_TBL (?x is not
a character code on Ruby1.9).
* ext/tk/lib/tk/variable.rb: support new style of operation argument
on Tcl/Tk's 'trace' command for variables.
* ext/tk/sample/demos-jp/widget, ext/tk/sample/demos-en/widget: bug fix
* ext/tk/sammple/demos-jp/textpeer.rb,
ext/tk/sammple/demos-en/textpeer.rb: new widget demo.
* ext/tk/tcltklib.c: decrase SEGV troubles (probably)
* ext/tk/lib/tk.rb: remove Thread.critical access if Ruby1.9
* ext/tk/lib/tk/multi-tk.rb: support Ruby1.9 (probably)
* ext/tk/lib/tkextlib/tile.rb: add method to define Tcl/Tk command
to make Tcl/Tk theme sources (based on different version of Tile
extension) available.
(Tk::Tile::__define_LoadImages_proc_for_comaptibility__)
* ext/tk/lib/tk.rb, ext/tk/lib/tk/wm.rb: support dockable frames
(Tcl/Tk8.5 feature). 'wm' command can treat many kinds of widgets
as toplevel widgets.
* ext/tk/lib/tkextlib/tile/style.rb: ditto.
(Tk::Tile::Style.__define_wrapper_proc_for_compatibility__)
* ext/tk/lib/tk/font.rb: add actual_hash and metrics_hash to get
properties as a hash. metrics_hash method returns a boolean value
for 'fixed' option. But metrics method returns numeric value
(0 or 1) for 'fixed' option, because of backward compatibility.
* ext/tk/lib/tk/timer.rb: somtimes fail to set callback procedure.
* ext/tk/lib/tk.rb: add Tk.sleep and Tk.wakeup method. Tk.sleep
doesn't block the eventloop. It will be better to use the method
in event callbacks.
* ext/tk/sample/tksleep_sample.rb: sample script about Tk.sleep.
git-svn-id: svn+ssh://ci.ruby-lang.org/ruby/trunk@15848 b2dd03c8-39d4-4d8f-98ff-823fe69b080e
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* ext/tk/lib/tk.rb, ext/tk/lib/tk/text.rb,
ext/tk/lib/tkextlib/iwidgets/scrolledtext.rb: remove adhoc check
of Ruby's features (use existence of some classes instead of
comparing with RUBY_VERSION)
* ext/tk/lib/tk/root.rb, ext/tk/lib/tk/autoload.rb: make TkRoot
(Tk::Root) unswitchable
* ext/tk/lib/multi-tk.rb: partial bug fix (still not work!!)
git-svn-id: svn+ssh://ci.ruby-lang.org/ruby/trunk@15634 b2dd03c8-39d4-4d8f-98ff-823fe69b080e
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switchable between Tk (standard Tcl/Tk widget set) and
Ttk (Tile). Initial default widget set is Tk. Now, toplevel
widget classes are removed and defined as aliases.
For example, "TkButton" is an alias of the "Tk::Button" class.
Those aliases are replaced when switching default widget set.
"Tk.default_widget_set=" is the method for switching default
widget set. "Tk.default_widget_set = :Ttk" defines Ttk (Tile)
widget set as default. It means that "TkButton" denotes
"Tk::Tile::Button" class. And then, "TkButton.new" creates
a Tk::Tile::Button widget. Of course, you can back to use
standard Tk widgets as the default widget set by calling
"Tk.default_widget_set = :Tk", whenever you want. Based on
thie feature, you can use Ttk widget styling engine on your
old Ruby/Tk application without modifying its source, if you
don'tuse widget options unsupported on Ttk widgets (At first,
call "Tk.default_widget_set = :Ttk", and next load and run
your application).
This is one step for supporting Tcl/Tk8.5 features.
git-svn-id: svn+ssh://ci.ruby-lang.org/ruby/trunk@15618 b2dd03c8-39d4-4d8f-98ff-823fe69b080e
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