Implement in-place renaming

1 files changed, 61 insertions, 1 deletions

diff --git a/view.py b/view.py
index cc77142..f3305a8 100644
--- a/view.py
+++ b/view.py
@@ -44,7 +44,7 @@ class MindMapView(GtkView):
                     append(NewThoughtTool()).       \
                     append(tool.HoverTool()).       \
                     append(ItemTool()).             \
-                    append(tool.TextEditTool()).    \
+                    append(TextEditTool()).         \
                     append(tool.RubberbandTool())
 
         if model is not None:
@@ -273,3 +273,63 @@ class Connection(Line):
         cr.set_source_rgb(0, 0, .8)
         super(Connection, self).draw(context)
 
+class TextEditTool(tool.Tool):
+
+    def __init__(self):
+        super(tool.Tool, self).__init__()
+        self._clicked_item = None
+
+    def on_double_click(self, context, event):
+        view = context.view
+        self._clicked_item = view.get_item_at_point((event.x, event.y))
+        if not isinstance(self._clicked_item, ThoughtView):
+            return False
+
+        window = gtk.Window()
+        window.set_parent_window(context.view.window)
+        window.size_allocate(gtk.gdk.Rectangle(int(event.x), int(event.y), 50, 50))
+
+        x, y = self._clicked_item.get_position()
+        origin_x, origin_y = context.view.window.get_origin()
+        window.move(x + origin_x, y + origin_y)
+
+        window.connect('focus-out-event', self.__focus_out_event_cb)
+        window.connect('realize', self.__realize_cb)
+
+        text_view = gtk.TextView()
+
+        buf = text_view.get_buffer()
+        buf.set_text(self._clicked_item.name)
+        buf.select_range(buf.get_start_iter(), buf.get_end_iter())
+
+        text_view.connect('key-press-event', self.__key_press_event_cb)
+        text_view.show()
+
+        window.add(text_view)
+
+        window.show()
+
+        return True
+
+    def __realize_cb(self, widget):
+        widget.set_decorated(False)
+        widget.set_resize_mode(gtk.RESIZE_IMMEDIATE)
+        widget.set_modal(True)
+        widget.window.set_type_hint(gtk.gdk.WINDOW_TYPE_HINT_DIALOG)
+
+    def __key_press_event_cb(self, widget, event):
+        if event.keyval == gtk.keysyms.Return:
+            buf = widget.get_buffer()
+            self._clicked_item.name = buf.get_text(buf.get_start_iter(),
+                                                   buf.get_end_iter())
+            widget.get_toplevel().destroy()
+            return True
+        elif event.keyval == gtk.keysyms.Escape:
+            widget.get_toplevel().destroy()
+            return True
+        else:
+            return False
+
+    def __focus_out_event_cb(self, widget, event):
+        widget.destroy()
+