Resize search box to not be out of the parent

Using the screen did not always work because there could be some places on the
screen that are not reachable by a window, for example a desktop toolbar.

review2061002

tryton/gui/window/view_form/view/screen_container.py

@@ -487,6 +487,7 @@ class ScreenContainer(object):
             scrolled = gtk.ScrolledWindow()
             scrolled.add_with_viewport(self.search_table)
             scrolled.set_shadow_type(gtk.SHADOW_NONE)
+            scrolled.set_policy(gtk.POLICY_AUTOMATIC, gtk.POLICY_AUTOMATIC)
             vbox.pack_start(scrolled, expand=True, fill=True)
             find_button = gtk.Button(_('Find'))
             find_button.connect('clicked', lambda *a: search())
@@ -501,26 +502,19 @@ class ScreenContainer(object):
             self.search_window.add(vbox)
             vbox.show_all()
 
-            # Disable scrolling:
-            scrolled.set_policy(gtk.POLICY_NEVER, gtk.POLICY_NEVER)
-            # See what changed:
-            new_size = self.search_window.size_request()
-            # Reenable scrolling:
-            scrolled.set_policy(gtk.POLICY_AUTOMATIC, gtk.POLICY_AUTOMATIC)
+            new_size = map(sum, zip(self.search_table.size_request(),
+                    scrolled.size_request()))
             self.search_window.set_default_size(*new_size)
 
         parent = button.get_toplevel()
-        button_x, button_y = button.translate_coordinates(parent,
-            *parent.window.get_origin())
+        button_x, button_y = button.translate_coordinates(parent, 0, 0)
         button_allocation = button.get_allocation()
 
-        # Resize the window to not be out of the screen
+        # Resize the window to not be out of the parent
         width, height = self.search_window.get_default_size()
-        screen = self.search_window.get_screen()
-        screen_width = screen.get_width()
-        screen_height = screen.get_height()
-        delta_width = screen_width - (button_x + width)
-        delta_height = screen_height - (button_y + button_allocation.height
+        allocation = parent.get_allocation()
+        delta_width = allocation.width - (button_x + width)
+        delta_height = allocation.height - (button_y + button_allocation.height
             + height)
         if delta_width < 0:
             width += delta_width
@@ -529,8 +523,8 @@ class ScreenContainer(object):
         self.search_window.resize(width, height)
 
         # Move the window under the button
-        self.search_window.move(button_x,
-            button_y + button_allocation.height)
+        x, y = button.window.get_origin()
+        self.search_window.move(x, y + button_allocation.height)
 
         from tryton.gui.main import Main
         page = Main.get_main().get_page()