84 lines
2.0 KiB
Python
84 lines
2.0 KiB
Python
|
from sugar.canvas.IconItem import IconItem
|
||
|
|
from sugar.canvas.Grid import Grid
|
||
|
|
|
||
|
|
class _MenuShell:
|
||
|
|
def __init__(self):
|
||
|
|
self._menu_controller = None
|
||
|
|
|
||
|
|
def set_active(self, controller):
|
||
|
|
if self._menu_controller:
|
||
|
|
self._menu_controller.popdown()
|
||
|
|
self._menu_controller = controller
|
||
|
|
|
||
|
|
class MenuIcon(IconItem):
|
||
|
|
_menu_shell = _MenuShell()
|
||
|
|
|
||
|
|
def __init__(self, grid, **kwargs):
|
||
|
|
IconItem.__init__(self, **kwargs)
|
||
|
|
|
||
|
|
self._grid = grid
|
||
|
|
self._menu = None
|
||
|
|
self._menu_distance = 0
|
||
|
|
self._hover_menu = False
|
||
|
|
self._popdown_on_leave = False
|
||
|
|
|
||
|
|
self.connect('popup', self._popup_cb)
|
||
|
|
self.connect('popdown', self._popdown_cb)
|
||
|
|
|
||
|
|
def set_menu_distance(self, distance):
|
||
|
|
self._menu_distance = distance
|
||
|
|
|
||
|
|
def popdown(self):
|
||
|
|
if self._menu:
|
||
|
|
self._menu.destroy()
|
||
|
|
self._menu = None
|
||
|
|
|
||
|
|
def _popup_cb(self, icon, x1, y1, x2, y2):
|
||
|
|
self.popdown()
|
||
|
|
|
||
|
|
MenuIcon._menu_shell.set_active(None)
|
||
|
|
|
||
|
|
grid = self._shell.get_grid()
|
||
|
|
self._menu = self.create_menu()
|
||
|
|
self._menu.connect('enter-notify-event',
|
||
|
|
self._menu_enter_notify_event_cb)
|
||
|
|
self._menu.connect('leave-notify-event',
|
||
|
|
self._menu_leave_notify_event_cb)
|
||
|
|
|
||
|
|
distance = self._menu_distance
|
||
|
|
|
||
|
|
[grid_x1, grid_y1] = grid.convert_from_screen(x1, y1)
|
||
|
|
[grid_x2, grid_y2] = grid.convert_from_screen(x2, y2)
|
||
|
|
|
||
|
|
grid_x = grid_x2 + distance
|
||
|
|
if grid_x + self._menu.get_width() > Grid.ROWS:
|
||
|
|
grid_x = grid_x1 - self._menu.get_width() + 1 - distance
|
||
|
|
|
||
|
|
grid_y = grid_y1
|
||
|
|
|
||
|
|
if grid_y < 0:
|
||
|
|
grid_y = 0
|
||
|
|
if grid_y + self._menu.get_width() > Grid.ROWS:
|
||
|
|
grid_y = Grid.ROWS - self._menu.get_width()
|
||
|
|
|
||
|
|
grid.set_constraints(self._menu, grid_x, grid_y,
|
||
|
|
self._menu.get_width(), self._menu.get_height())
|
||
|
|
|
||
|
|
self._menu.show()
|
||
|
|
|
||
|
|
MenuIcon._menu_shell.set_active(self)
|
||
|
|
|
||
|
|
def _popdown_cb(self, friend):
|
||
|
|
if not self._hover_menu:
|
||
|
|
self.popdown()
|
||
|
|
else:
|
||
|
|
self._popdown_on_leave = True
|
||
|
|
|
||
|
|
def _menu_enter_notify_event_cb(self, widget, event):
|
||
|
|
self._hover_menu = True
|
||
|
|
|
||
|
|
def _menu_leave_notify_event_cb(self, widget, event):
|
||
|
|
self._hover_menu = False
|
||
|
|
if self._popdown_on_leave:
|
||
|
|
self.popdown()
|