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#require 'gtk2'
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require 'gtk3'
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tv = [
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["item01","item02"],
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["item11","item12"],
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["item21","item22"],
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["item31","item32"],
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["item41","item42"],
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["item51","item52"],
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["item61","item62"],
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["item71","item72"],
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["item81","item82"],
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["item91","item92"],
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]
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ls = Gtk::ListStore.new(*([String] * 5))
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treeview = Gtk::TreeView.new
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treeview.set_model(ls)
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treeview.append_column ::Gtk::TreeViewColumn.new("label1", ::Gtk::CellRendererText.new, text: 0)
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treeview.append_column ::Gtk::TreeViewColumn.new("label2", ::Gtk::CellRendererText.new, text: 1)
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tv.each do |val|
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iter = ls.append
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iter.set_value(0, val[0])
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iter.set_value(1, val[1])
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end
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win = Gtk::Window.new
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win.title = 'TreeView visible_range test'
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win.set_size_request 100, 200
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sw = Gtk::ScrolledWindow.new
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if sw.respond_to? :set_propagate_natural_width
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sw.propagate_natural_width = true
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sw.propagate_natural_height = true
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gtkversion = 3
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end
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sw.add_with_viewport(treeview)
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#box = Gtk::Box.new(:vertical)
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box = Gtk::VBox.new
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box.pack_start(sw, expand: true)
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win.add box
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win.signal_connect('destroy') { Gtk.main_quit }
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win.show_all
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if gtkversion == 3
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dummy, start_path, end_path = treeview.visible_range
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else
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start_path, end_path = treeview.visible_range
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end
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label = Gtk::Label.new("start_path: " + start_path.to_s)
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label.set_alignment(0, 0.5)
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box.pack_start(label, expand: true)
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label = Gtk::Label.new("end_path: " + end_path.to_s)
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label.set_alignment(0, 0.5)
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box.pack_start(label, expand: true)
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win.show_all
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Gtk.main
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