From 2b6ed52cd97a1e66a6b68f5ebebc490fdcf5b946 Mon Sep 17 00:00:00 2001
From: Huang Peng <shawn.p.huang@gmail.com>
Date: Mon, 23 Jun 2008 20:14:32 +0800
Subject: [PATCH] Add menu.py

---
 panel/Makefile.am    |  1 +
 panel/languagebar.py |  4 ++--
 panel/menu.py        | 54 ++++++++++++++++++++++++++++++++++++++++++++++++++++
 panel/panel.py       |  4 ++--
 4 files changed, 59 insertions(+), 4 deletions(-)
 create mode 100644 panel/menu.py

diff --git a/panel/Makefile.am b/panel/Makefile.am
index 1418bd4..210ac6a 100644
--- a/panel/Makefile.am
+++ b/panel/Makefile.am
@@ -26,6 +26,7 @@ panel_PYTHON = \
 	lang.py \
 	languagebar.py \
 	main.py \
+	menu.py \
 	panel.py \
 	$(NULL)
 
diff --git a/panel/languagebar.py b/panel/languagebar.py
index f1497e0..45fc404 100644
--- a/panel/languagebar.py
+++ b/panel/languagebar.py
@@ -25,7 +25,7 @@ import gobject
 import ibus
 from image import Image
 from handle import Handle
-import menu
+from menu import menu_position
 
 ICON_SIZE = gtk.ICON_SIZE_MENU
 
@@ -209,7 +209,7 @@ class LanguageBar (gtk.Toolbar):
 		self.emit ("property-activate", prop._name, prop._state)
 
 	def _property_menu_clicked (self, widget, prop, menu):
-		menu.popup (None, None, menu.menu_position,
+		menu.popup (None, None, menu_position,
 					0, gtk.get_current_event_time (), widget)
 
 gobject.type_register (LanguageBar, "IBusLanguageBar")
diff --git a/panel/menu.py b/panel/menu.py
new file mode 100644
index 0000000..f57cc95
--- /dev/null
+++ b/panel/menu.py
@@ -0,0 +1,54 @@
+# vim:set noet ts=4:
+#
+# ibus - The Input Bus
+#
+# Copyright (c) 2007-2008 Huang Peng <shawn.p.huang@gmail.com>
+#
+# This library is free software; you can redistribute it and/or
+# modify it under the terms of the GNU Lesser General Public
+# License as published by the Free Software Foundation; either
+# version 2 of the License, or (at your option) any later version.
+#
+# This library is distributed in the hope that it will be useful,
+# but WITHOUT ANY WARRANTY; without even the implied warranty of
+# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+# GNU Lesser General Public License for more details.
+#
+# You should have received a copy of the GNU Lesser General Public
+# License along with this program; if not, write to the
+# Free Software Foundation, Inc., 59 Temple Place, Suite 330,
+# Boston, MA  02111-1307  USA
+
+def menu_position (menu, button):
+	screen = button.get_screen ()
+	monitor = screen.get_monitor_at_window (button.window)
+	monitor_allocation = screen.get_monitor_geometry (monitor)
+
+	x, y = button.window.get_origin ()
+	x += button.allocation.x
+	y += button.allocation.y
+
+	menu_width, menu_height = menu.size_request ()
+
+	if x + menu_width >= monitor_allocation.width:
+		x -= menu_width - button.allocation.width
+	elif x - menu_width <= 0:
+		pass
+	else:
+		if x <= monitor_allocation.width * 3 / 4:
+			pass
+		else:
+			x -= menu_width - button.allocation.width
+
+	if y + button.allocation.height + menu_height >= monitor_allocation.height:
+		y -= menu_height
+	elif y - menu_height <= 0:
+		y += button.allocation.height
+	else:
+		if y <= monitor_allocation.height * 3 / 4:
+			y += button.allocation.height
+		else:
+			y -= menu_height
+
+	return (x, y, False)
+
diff --git a/panel/panel.py b/panel/panel.py
index a7a6194..8f187e8 100644
--- a/panel/panel.py
+++ b/panel/panel.py
@@ -28,7 +28,7 @@ from lang import LANGUAGES
 from ibus import interface
 from languagebar import LanguageBar
 from candidatepanel import CandidatePanel
-import menu
+from menu import menu_position
 
 class Panel (ibus.Object):
 	def __init__ (self, proxy, _ibus):
@@ -135,7 +135,7 @@ class Panel (ibus.Object):
 	def _im_menu_popup_cb (self, languagebar, button):
 		menu = self._create_im_menu ()
 		menu.popup (None, None,
-				menu.menu_position,
+				menu_position,
 				0,
 				gtk.get_current_event_time (),
 				button)
-- 
2.7.4