def initialize()
super("Drag and Drop Gtk::TreeView")
set_default_size(300,128)
signal_connect("destroy") { Gtk.main_quit }
data = [["Hello", "KON-NI-CHIWA"],
["Goodbye", "SAYO-NARA"],
["Good morning", "OHA-YO-GOZAI-MASU"],
["Good evening", "KON-BAN-WA"]]
model = Gtk::ListStore.new(String, String)
view = Gtk::TreeView.new(model)
renderer = Gtk::CellRendererText.new
col1 = Gtk::TreeViewColumn.new("Data", renderer, {:text => 0})
col2 = Gtk::TreeViewColumn.new("Data", renderer, {:text => 1})
view.append_column(col1)
view.append_column(col2)
data.each do |v1, v2|
iter = model.append
iter.set_value(0, v1)
iter.set_value(1, v2)
end
view.enable_model_drag_source(Gdk::Window::BUTTON1_MASK,
TARGET_TABLE,
Gdk::DragContext::ACTION_COPY|Gdk::DragContext::ACTION_MOVE)
view.enable_model_drag_dest(TARGET_TABLE,
Gdk::DragContext::ACTION_COPY|Gdk::DragContext::ACTION_MOVE)
add(view)
end