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[ruby][gtk2] Style Property - How to change?

Posted by Robux Biz (robux) on 05.06.2010 19:39
Hi everybody!

I can see style property:

btn = Gtk::Button.new
puts btn.style_get_property('image-spacing') # "2"

But how can I change the value to "0"?

I did that:

Code:

  class ClsBtn < Gtk::Button

    type_register

        install_style_property(GLib::Param::Int.new('image-spacing',

        'image-spacing', '', 0, 10000, 0,

        GLib::Param::READABLE|GLib::Param::WRITABLE))

  end

  closebtn = ClsBtn.new

  image = Gtk::Image.new(Gtk::Stock::CLOSE, Gtk::IconSize::MENU)

  closebtn.add(image)

  p closebtn.style_get_property('image-spacing')

Property becames "0",
but border around image is still big (not equals 0)
How can I to decrease the button? (The button is needed for Notebook tabs)

I did that:

Code:

  style = closebtn.modifier_style 

  style.xthickness = 0 

  style.ythickness = 0 

  closebtn.modify_style(style)

But fields are still exist. Any else ideas?

I find solution in Geany source code:

Code:

    label_box = Gtk::HBox.new(false, 0) 

    label = Gtk::Label.new('Page1') 

    label_box.pack_start(label, false, false, 0) 

 

    btn = Gtk::Button.new 

    btn.relief = Gtk::RELIEF_NONE 

    btn.focus_on_click = false 

    style = btn.modifier_style 

    style.xthickness = 0 

    style.ythickness = 0 

    btn.modify_style(style) 

    btn.set_tooltip_text("Close page1") 

    wim,him = Gtk::IconSize.lookup(Gtk::IconSize::MENU) 

    btn.set_size_request(wim+2,him+2) 

    btn.signal_connect('clicked') do 

      $notebook.remove_page($notebook.children.index(treeview)) 

      store.clear 

      label_box.destroy 

      treeview.destroy 

    end 

 

    image = Gtk::Image.new(Gtk::Stock::CLOSE, Gtk::IconSize::MENU) 

    btn.add(image) 

 

    align = Gtk::Alignment.new(1.0, 0.0, 0.0, 0.0) 

    align.add(btn) 

    label_box.pack_start(align, false, false, 0) 

 

    label_box.spacing = 3 

    label_box.show_all 

 

    page = $notebook.append_page(treeview, label_box) 

    treeview.show_all 

    $notebook.page = $notebook.n_pages-1