# Desktop **URL:** https://www.ruby-forum.com/c/desktop/34.md?page=7 [Latest](https://www.ruby-forum.com/latest.md) · [Categories](https://www.ruby-forum.com/categories.md) · [Tags](https://www.ruby-forum.com/tags.md) **Page:** 8 --- ## [How to create object properties tree ctrl in wxRuby](https://www.ruby-forum.com/t/how-to-create-object-properties-tree-ctrl-in-wxruby/235978)
**Author:** [@alcina](https://www.ruby-forum.com/u/alcina)\ **Replies:** 0\ **Last updated:** [July 27, 2013, 1:20pm UTC](https://www.ruby-forum.com/t/how-to-create-object-properties-tree-ctrl-in-wxruby/235978 "2013-07-27T13:20:18Z")
Has some one created object properties tree ctrl in wxRuby? It means that there should be more than one column int the tree, and we can use checkbox, combobox, button, text ctrl in the same column to render and edit t… --- ## [Latest pango package fails to build on pre cairo 1.8 systems](https://www.ruby-forum.com/t/latest-pango-package-fails-to-build-on-pre-cairo-1-8-systems/245774)
**Author:** [@Rafa\_F](https://www.ruby-forum.com/u/Rafa_F)\ **Replies:** 3\ **Last updated:** [July 13, 2013, 4:20am UTC](https://www.ruby-forum.com/t/latest-pango-package-fails-to-build-on-pre-cairo-1-8-systems/245774 "2013-07-13T04:20:56Z")
Using latest ruby-gnome2 from git. So with the recent change to rbpangocairo.c, I get a compile failure Error is: rbpangocairo.c:40: error: ‘CAIRO\_FONT\_TYPE\_USER’ undeclared (first use in this function) Looking at t… --- ## [Cairo or Gtk::DrawingArea memory leak?](https://www.ruby-forum.com/t/cairo-or-gtk-drawingarea-memory-leak/245740)
**Author:** [@Sadaf\_N](https://www.ruby-forum.com/u/Sadaf_N)\ **Replies:** 2\ **Last updated:** [July 11, 2013, 4:27am UTC](https://www.ruby-forum.com/t/cairo-or-gtk-drawingarea-memory-leak/245740 "2013-07-11T04:27:41Z")
Trying to figure out what I am doing wrong. Whenever I run this code it starts using up all my ram but no process shows up as using the ram but the task manager shows ram usage going up until the computer starts hangi… --- ## [Wx:Grid Setting Cursor Position](https://www.ruby-forum.com/t/wx-grid-setting-cursor-position/219949)
**Author:** [@Gurdipe\_D](https://www.ruby-forum.com/u/Gurdipe_D)\ **Replies:** 2\ **Last updated:** [June 11, 2013, 7:45pm UTC](https://www.ruby-forum.com/t/wx-grid-setting-cursor-position/219949 "2013-06-11T19:45:44Z")
I’m using the grid widget with an underlying GridTableBase and trying to implement a “Find” button which would cause the current cursor position to go to the next matching cell. I’m wondering if there’s an easy way t… --- ## [VR::ComboCol/VR::CellRendererCombo and attaching to signals (or any other cellrenderers)](https://www.ruby-forum.com/t/vr-combocol-vr-cellrenderercombo-and-attaching-to-signals-or-any-other-cellrenderers/245390)
**Author:** [@Rafa\_F](https://www.ruby-forum.com/u/Rafa_F)\ **Replies:** 3\ **Last updated:** [May 26, 2013, 7:48pm UTC](https://www.ruby-forum.com/t/vr-combocol-vr-cellrenderercombo-and-attaching-to-signals-or-any-other-cellrenderers/245390 "2013-05-26T19:48:32Z")
Hi there I’m coding an app with visualruby and I love it, but sometimes the lack of documentation and knowledge/skills (on my side) gets me stuck. :slight\_smile: What I can’t seem to get past now is to attach some cod… --- ## [\[ANN\] Ruby-GNOME2 2.0.1](https://www.ruby-forum.com/t/ann-ruby-gnome2-2-0-1/245386)
**Author:** [@Rafa\_F](https://www.ruby-forum.com/u/Rafa_F)\ **Replies:** 0\ **Last updated:** [May 25, 2013, 4:59am UTC](https://www.ruby-forum.com/t/ann-ruby-gnome2-2-0-1/245386 "2013-05-25T04:59:14Z")
Hi, The Ruby-GNOME2 project released Ruby-GNOME2 2.0.1: http://ruby-gnome2.sourceforge.jp/hiki.cgi?News\_20130525\_1 This release drops Ruby 1.8 support. If you want to use Ruby-GNOME2 with Ruby 1.8, please use Ruby-GN… --- ## [MacOSX (10.7) vr Run Error](https://www.ruby-forum.com/t/macosx-10-7-vr-run-error/245354)
**Author:** [@Sadaf\_N](https://www.ruby-forum.com/u/Sadaf_N)\ **Replies:** 0\ **Last updated:** [May 19, 2013, 5:23pm UTC](https://www.ruby-forum.com/t/macosx-10-7-vr-run-error/245354 "2013-05-19T17:23:58Z")
I installed everything like the site said with no errors, but when I tried to run the program by entering “vr” at the command prompt I received this message: /Users/Castor/.rvm/rubies/ruby-2.0.0-p0/lib/ruby/2.0.0/ruby… --- ## [2nd Release of Visual Ruby](https://www.ruby-forum.com/t/2nd-release-of-visual-ruby/218474)
**Author:** [@luislavena](https://www.ruby-forum.com/u/luislavena)\ **Replies:** 37\ **Last updated:** [May 18, 2013, 9:05am UTC](https://www.ruby-forum.com/t/2nd-release-of-visual-ruby/218474 "2013-05-18T09:05:29Z")
Hi y’all: I’ve just added support for active\_record to visualruby, so you can add active\_record objects to listviews and treeviews. I’ve also updated the documentation today. So, its time for the second release! go… --- ## [Segfault from rbgtk-tree-view.c](https://www.ruby-forum.com/t/segfault-from-rbgtk-tree-view-c/228699)
**Author:** [@Detlef\_R](https://www.ruby-forum.com/u/Detlef_R)\ **Replies:** 3\ **Last updated:** [May 9, 2013, 2:17pm UTC](https://www.ruby-forum.com/t/segfault-from-rbgtk-tree-view-c/228699 "2013-05-09T14:17:52Z")
Hi, With github pull request 151 I’ve made the stock browser sample gtk3 ready. If I scroll up and down in den list view, the program crashes with a segfault. It seems to be in the ruby bindings. The original C versi… --- ## [VisualRuby IDE](https://www.ruby-forum.com/t/visualruby-ide/228794)
**Author:** [@masoto](https://www.ruby-forum.com/u/masoto)\ **Replies:** 0\ **Last updated:** [May 8, 2013, 1:53am UTC](https://www.ruby-forum.com/t/visualruby-ide/228794 "2013-05-08T01:53:11Z")
Greetings All, I have been making announcements to Google Plus’ Ruby GUI Community in regards to the work I have been doing on VisualRuby’s new IDE Interface. And cause I have been working so hard to bring this togeth… --- ## [Column title of wxListCtrl from XRC file](https://www.ruby-forum.com/t/column-title-of-wxlistctrl-from-xrc-file/228584)
**Author:** [@jakub\_s](https://www.ruby-forum.com/u/jakub_s)\ **Replies:** 5\ **Last updated:** [May 5, 2013, 9:06am UTC](https://www.ruby-forum.com/t/column-title-of-wxlistctrl-from-xrc-file/228584 "2013-05-05T09:06:30Z")
Hello, I have problem with loading column title for wxListCtrl which are defined in xrc file. According to XRC file format description (wxWidgets: XRC File Format) it shall be possible to define column names for wxLC… --- ## [Problem with new signals](https://www.ruby-forum.com/t/problem-with-new-signals/228688)
**Author:** [@Detlef\_R](https://www.ruby-forum.com/u/Detlef_R)\ **Replies:** 2\ **Last updated:** [May 3, 2013, 6:16pm UTC](https://www.ruby-forum.com/t/problem-with-new-signals/228688 "2013-05-03T18:16:50Z")
Hi, if I add a signal to a Gtk::Box super() doesn’t work like expected. The following code works: require ‘gtk3’ class MBox \< Gtk::Box def initialize super(:vertical) pack\_start Gtk::Label.new(‘bla1’) pack\_start … --- ## [\[ANN\] Ruby-GNOME2 2.0.0](https://www.ruby-forum.com/t/ann-ruby-gnome2-2-0-0/228586)
**Author:** [@Kouhei\_S](https://www.ruby-forum.com/u/Kouhei_S)\ **Replies:** 2\ **Last updated:** [May 3, 2013, 1:48pm UTC](https://www.ruby-forum.com/t/ann-ruby-gnome2-2-0-0/228586 "2013-05-03T13:48:38Z")
Hi, The Ruby-GNOME2 project released Ruby-GNOME2 2.0.0: http://ruby-gnome2.sourceforge.jp/hiki.cgi?News\_20130429\_1 Yes! It is 2.0.0!!! This release includes Windows binary included gem for GObject Introspection base… --- ## [Gtk3 Gdk::Window.create\_cairo\_contex replacement](https://www.ruby-forum.com/t/gtk3-gdk-window-create-cairo-contex-replacement/228573)
**Author:** [@Detlef\_R](https://www.ruby-forum.com/u/Detlef_R)\ **Replies:** 2\ **Last updated:** [April 30, 2013, 6:33pm UTC](https://www.ruby-forum.com/t/gtk3-gdk-window-create-cairo-contex-replacement/228573 "2013-04-30T18:33:23Z")
Hi, with gtk3 Gdk::Window.create\_cairo\_contex is gone. The C implementation of gdk3 has a gdk\_cairo\_\* “namespace” for cairo related functions. For the ruby implementation I think it is best to put the function cairo\_… --- ## [Wizard: how jump to a specific page?](https://www.ruby-forum.com/t/wizard-how-jump-to-a-specific-page/228493)
**Author:** [@maidireale](https://www.ruby-forum.com/u/maidireale)\ **Replies:** 1\ **Last updated:** [April 26, 2013, 11:44am UTC](https://www.ruby-forum.com/t/wizard-how-jump-to-a-specific-page/228493 "2013-04-26T11:44:07Z")
Hi all, I’ve a Wizard with 10 pages. How can I jump to a specific page? --- ## [Windows packaging advice](https://www.ruby-forum.com/t/windows-packaging-advice/204220)
**Author:** [@dubstep](https://www.ruby-forum.com/u/dubstep)\ **Replies:** 7\ **Last updated:** [April 26, 2013, 10:30am UTC](https://www.ruby-forum.com/t/windows-packaging-advice/204220 "2013-04-26T10:30:01Z")
First I want to thank everyone for doing such a good job with ruby-gnome2. It seems that lately development has accelerated :slight\_smile: Thanks especially to Kou for reducing the size of the Windows install. This… --- ## [Having trouble installing](https://www.ruby-forum.com/t/having-trouble-installing/228439)
**Author:** [@jfoxny](https://www.ruby-forum.com/u/jfoxny)\ **Replies:** 2\ **Last updated:** [April 25, 2013, 4:01pm UTC](https://www.ruby-forum.com/t/having-trouble-installing/228439 "2013-04-25T16:01:03Z")
I’ve been trying on and off for a couple days to get visual ruby on my computer at work. I’ve been unable to get the gem to install through my proxy so I decided to just download the gem from rubygems and got the dev … --- ## [Ruby 2.0 on Windows 7](https://www.ruby-forum.com/t/ruby-2-0-on-windows-7/228170)
**Author:** [@jamal86](https://www.ruby-forum.com/u/jamal86)\ **Replies:** 7\ **Last updated:** [April 21, 2013, 4:26am UTC](https://www.ruby-forum.com/t/ruby-2-0-on-windows-7/228170 "2013-04-21T04:26:04Z")
Can anyone give tips on how to get wxRuby working with Windows 7 (64-bit) and the Ruby 2.0 from RubyInstaller.org? I installed wxRuby with the following command: gem install wxruby-ruby19 No errors were reported duri… --- ## [Install error](https://www.ruby-forum.com/t/install-error/228343)
**Author:** [@neel\_p](https://www.ruby-forum.com/u/neel_p)\ **Replies:** 2\ **Last updated:** [April 19, 2013, 9:07pm UTC](https://www.ruby-forum.com/t/install-error/228343 "2013-04-19T21:07:17Z")
I tied installing this on Ruby but got error and then VR does not come up. C:\\Ruby200\>gem install visualruby Fetching: require\_all-1.2.1.gem (100%) Successfully installed require\_all-1.2.1 Fetching: pkg-config-1.1.4… --- ## [Where is Gtk::MessageDialog.set\_secondary\_text defined?](https://www.ruby-forum.com/t/where-is-gtk-messagedialog-set-secondary-text-defined/228344)
**Author:** [@Detlef\_R](https://www.ruby-forum.com/u/Detlef_R)\ **Replies:** 4\ **Last updated:** [April 19, 2013, 5:08pm UTC](https://www.ruby-forum.com/t/where-is-gtk-messagedialog-set-secondary-text-defined/228344 "2013-04-19T17:08:52Z")
Hi, the title says it all. The method is usable, but I don’t find it in the sources… Who can enlighten me? Are there some kind of docs, where this magic is explained? Cheers, detlef --- ## [Missing methods](https://www.ruby-forum.com/t/missing-methods/228301)
**Author:** [@Detlef\_R](https://www.ruby-forum.com/u/Detlef_R)\ **Replies:** 1\ **Last updated:** [April 17, 2013, 2:41pm UTC](https://www.ruby-forum.com/t/missing-methods/228301 "2013-04-17T14:41:50Z")
Hi, while I’m on porting samples to Ruby-GTK3 I’ve stumbled over two missing methods. g\_object\_bind\_property gtk\_tree\_model\_get\_path Will they come, is there an alternative or have I hack around it? Cheers, detlef --- ## [Name collision?](https://www.ruby-forum.com/t/name-collision/228287)
**Author:** [@Detlef\_R](https://www.ruby-forum.com/u/Detlef_R)\ **Replies:** 1\ **Last updated:** [April 17, 2013, 2:37pm UTC](https://www.ruby-forum.com/t/name-collision/228287 "2013-04-17T14:37:44Z")
Hi, I’m on porting the ComboBox sample from C to ruby. There is Gtk::ComboBoxText in use. This class has an remove-methode itself and a remove-methode inherited from Gtk::Container. The one from Gtk::Container, which… --- ## [Can't use open-uri in a Thread if there are treectrl](https://www.ruby-forum.com/t/cant-use-open-uri-in-a-thread-if-there-are-treectrl/228166)
**Author:** [@Tetsuya\_YUASA](https://www.ruby-forum.com/u/Tetsuya_YUASA)\ **Replies:** 2\ **Last updated:** [April 16, 2013, 3:58am UTC](https://www.ruby-forum.com/t/cant-use-open-uri-in-a-thread-if-there-are-treectrl/228166 "2013-04-16T03:58:44Z")
I want to use Open-URI::open in a Thread. But with this code freeze the window when I push toolbar button. require “open-uri” require ‘wx’ class MyApp \< Wx::App def on\_init MyFrame.new.show end end class MyFrame… --- ## [Patch: crash during GC when using combo, listbox](https://www.ruby-forum.com/t/patch-crash-during-gc-when-using-combo-listbox/228266)
**Author:** [@david](https://www.ruby-forum.com/u/david)\ **Replies:** 0\ **Last updated:** [April 16, 2013, 2:06am UTC](https://www.ruby-forum.com/t/patch-crash-during-gc-when-using-combo-listbox/228266 "2013-04-16T02:06:35Z")
Hi all, I feel like I may have written about this before, apologies if so. I recently started getting “object allocation during garbage collection phase” with wxruby on linux. I traced the problem to GetCount() being … --- ## [Creating and handling a non\_GUI event](https://www.ruby-forum.com/t/creating-and-handling-a-non-gui-event/228133)
**Author:** [@erubin](https://www.ruby-forum.com/u/erubin)\ **Replies:** 3\ **Last updated:** [April 15, 2013, 10:09pm UTC](https://www.ruby-forum.com/t/creating-and-handling-a-non-gui-event/228133 "2013-04-15T22:09:19Z")
I need to change the value of a Wx::TextCtrl when a message is received in a separate thread from the GUI. I think I should be creating a class derived from Wx::Event (not Wx::CommandEvent) for this. But I haven’t b… --- ## [Gtk2 to gtk3 : create a dialog](https://www.ruby-forum.com/t/gtk2-to-gtk3-create-a-dialog/228258)
**Author:** [@raubarede](https://www.ruby-forum.com/u/raubarede)\ **Replies:** 2\ **Last updated:** [April 15, 2013, 7:26pm UTC](https://www.ruby-forum.com/t/gtk2-to-gtk3-create-a-dialog/228258 "2013-04-15T19:26:06Z")
Hello, This code come from gtk2 application : wdlog = Dialog.new(“Logs”, nil, 0, \[ Stock::OK, Dialog::RESPONSE\_NONE \]) How to convert it for gtk3 ? I try wdlog = Dialog.new( title: “Logs”, parent: nil, flags: … --- ## [Gtk3 API reference](https://www.ruby-forum.com/t/gtk3-api-reference/228226)
**Author:** [@Detlef\_R](https://www.ruby-forum.com/u/Detlef_R)\ **Replies:** 3\ **Last updated:** [April 15, 2013, 2:15pm UTC](https://www.ruby-forum.com/t/gtk3-api-reference/228226 "2013-04-15T14:15:28Z")
Hi, it looks like the gtk3 bindings are (more or less?) complete. But the API reference seems completely missing, or not? Are there any plans for them? Should they be integrated in the existing pages, or should a com… --- ## [BUG: undefined method \`prepend\_environment\_path' for GLib:Module](https://www.ruby-forum.com/t/bug-undefined-method-prepend-environment-path-for-glib-module/228217)
**Author:** [@Detlef\_R](https://www.ruby-forum.com/u/Detlef_R)\ **Replies:** 1\ **Last updated:** [April 13, 2013, 4:35pm UTC](https://www.ruby-forum.com/t/bug-undefined-method-prepend-environment-path-for-glib-module/228217 "2013-04-13T16:35:55Z")
Hi, with the last changes a bug in glib2 was introduced. With a fresh installation you get this error: irb(main):001:0\> require ‘gtk2’ NoMethodError: undefined method prepend\_environment\_path' for GLib:Module from /u… --- ## [Problem in subclassing and new signals](https://www.ruby-forum.com/t/problem-in-subclassing-and-new-signals/228199)
**Author:** [@Detlef\_R](https://www.ruby-forum.com/u/Detlef_R)\ **Replies:** 2\ **Last updated:** [April 13, 2013, 1:48pm UTC](https://www.ruby-forum.com/t/problem-in-subclassing-and-new-signals/228199 "2013-04-13T13:48:13Z")
Hi, I have a problem with subclassing a widget, when I add new signals to this widget. See this smal example: require ‘gtk2’ class Box1 \< Gtk::VBox def initialize data super false, 2 end end class Box2 \< Gtk::VB… --- ## [\[ANN\] Ruby-GNOME2 1.2.4](https://www.ruby-forum.com/t/ann-ruby-gnome2-1-2-4/227679)
**Author:** [@Kouhei\_S](https://www.ruby-forum.com/u/Kouhei_S)\ **Replies:** 5\ **Last updated:** [April 12, 2013, 1:50pm UTC](https://www.ruby-forum.com/t/ann-ruby-gnome2-1-2-4/227679 "2013-04-12T13:50:59Z")
Hi, The Ruby-GNOME2 project released Ruby-GNOME2 1.2.4: http://ruby-gnome2.sourceforge.jp/hiki.cgi?News\_20130324\_1 This release adds Ruby/WebKitGtk2. It is for GTK+ 2. == Help us! === About Ruby/GTK3 Many sample pr… [Previous page](https://www.ruby-forum.com/c/desktop/34.md?page=6) [Next page](https://www.ruby-forum.com/c/desktop/34.md?page=8)