Rework menu positioning logic

This commit is contained in:
Marco Pesenti Gritti 2006-10-18 17:57:41 +02:00
parent 54dcb672e5
commit f3fbea70a3
2 changed files with 47 additions and 14 deletions

View File

@ -26,6 +26,7 @@ from view.frame.PanelWindow import PanelWindow
from view.frame.notificationtray import NotificationTray
from sugar.graphics.timeline import Timeline
from sugar.graphics.grid import Grid
from sugar.graphics.menushell import MenuShell
class EventFrame(gobject.GObject):
__gsignals__ = {
@ -151,6 +152,7 @@ class Frame:
# Top panel
[menu_shell, root] = self._create_panel(grid, 0, 0, 16, 1)
menu_shell.set_position(MenuShell.BOTTOM)
box = ZoomBox(self._shell, menu_shell)
@ -173,6 +175,7 @@ class Frame:
# Bottom panel
[menu_shell, root] = self._create_panel(grid, 0, 11, 16, 1)
menu_shell.set_position(MenuShell.TOP)
box = ActivitiesBox(self._shell)
root.append(box, hippo.PACK_FIXED)
@ -182,6 +185,7 @@ class Frame:
# Right panel
[menu_shell, root] = self._create_panel(grid, 15, 1, 1, 10)
menu_shell.set_position(MenuShell.LEFT)
box = FriendsBox(self._shell, menu_shell)
root.append(box)

View File

@ -16,6 +16,7 @@
# Boston, MA 02111-1307, USA.
import gobject
import gtk
class MenuShell(gobject.GObject):
__gsignals__ = {
@ -25,11 +26,21 @@ class MenuShell(gobject.GObject):
gobject.TYPE_NONE, ([])),
}
AUTO = 0
LEFT = 1
RIGHT = 2
TOP = 3
BOTTOM = 4
def __init__(self, parent_canvas):
gobject.GObject.__init__(self)
self._parent_canvas = parent_canvas
self._menu_controller = None
self._position = MenuShell.AUTO
def set_position(self, position):
self._position = position
def is_active(self):
return (self._menu_controller != None)
@ -44,29 +55,47 @@ class MenuShell(gobject.GObject):
self._menu_controller.popdown()
self._menu_controller = controller
def _get_item_origin(self, item):
def _get_item_rect(self, item):
[x, y] = item.get_context().translate_to_widget(item)
[origin_x, origin_y] = self._parent_canvas.window.get_origin()
x += origin_x
y += origin_y
return [x, y]
[w, h] = item.get_allocation()
return [x, y, w, h]
def get_position(self, menu, item):
[x, y] = self._get_item_origin(item)
[width, height] = item.get_allocation()
[canvas_x, canvas_y] = self._parent_canvas.window.get_origin()
canvas_rect = self._parent_canvas.get_allocation()
[item_x, item_y, item_w, item_h] = self._get_item_rect(item)
[menu_w, menu_h] = menu.size_request()
menu_x = x
menu_y = y + height
left_x = item_x - menu_w
left_y = item_y
right_x = item_x + item_w
right_y = item_y
top_x = item_x
top_y = item_y - menu_h
bottom_x = item_x
bottom_y = item_y + item_h
if (menu_x + menu_w > canvas_x) and \
(menu_y < canvas_y + canvas_rect.height):
menu_x = x - menu_w
menu_y = y
if self._position == MenuShell.LEFT:
[x, y] = [left_x, left_y]
elif self._position == MenuShell.RIGHT:
[x, y] = [right_x, right_y]
elif self._position == MenuShell.TOP:
[x, y] = [top_x, top_y]
elif self._position == MenuShell.BOTTOM:
[x, y] = [bottom_x, bottom_y]
elif self._position == MenuShell.AUTO:
[x, y] = [right_x, right_y]
if x + menu_w > gtk.gdk.screen_width():
[x, y] = [left_x, left_y]
return [menu_x, menu_y]
x = min(x, gtk.gdk.screen_width())
x = max(0, x)
y = min(y, gtk.gdk.screen_height())
y = max(0, y)
return [x, y]