[Ruby-GNOME2 Project Website] update - tut-gtk2-dnd-intro (ruby-gnome2-doc-cvs) - Ruby-GNOME2

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REMOTE_ADDR = 184.145.95.170
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        URL = http://ruby-gnome2.sourceforge.jp/hiki.cgi?tut-gtk2-dnd-intro
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 === Builti-in DnD Tree View Mechanism
 
 
-{{image_right("treeview-builtin-dnd.png")}}
+{{image_right("treeview-builtin-dnd-s1.png")}}
 
 Our first example program will show that only with a line of code you can get the complete drag-and-drop behaviour for free. All you need is to set up the reorderable attribute to true, by using the 'Gtk::TreeView#reorderable=' method. The drag objects here are the tree view rows, regardless whether they are leaf or nodes with children. When you left-click, hold the mouse button down and drag the mouse simultaneously the cursor changes to the 'move-icon' and the row you are dragging appears underneath it. If you look carefully, when dragging, you will notice that a potential drop position is shown, namely, the items over which you are dragging the row get highlighted, and the when you are in-between i.e., above or below rows a line appears. If you are dropping the dragged row onto a highlighted row it will become it's child, but if you drop it when the line indicator is shown, the dragged item will be placed at that position.
 



Ruby-GNOME2