def start_drag(self, point = None):
self._monitor_rects = None
# Find the pointer position for the occasions when we are
# not being called from an event (move button).
if not point:
rootwin = Gdk.get_default_root_window()
dunno, x_root, y_root, mask = rootwin.get_pointer()
point = (x_root, y_root)
# rmember pointer and window positions
window = self.get_drag_window()
x, y = window.get_position()
self._drag_start_pointer = point
self._drag_start_offset = [point[0] - x, point[1] - y]
self._drag_start_rect = Rect.from_position_size(window.get_position(),
window.get_size())
# not yet actually moving the window
self._drag_active = False
# get the threshold
self._drag_threshold = self.get_drag_threshold()
# check if the temporary threshold unlocking has expired
if not self.drag_protection or \
not self._temporary_unlock_time is None and \
time.time() - self._temporary_unlock_time > \
self.temporary_unlock_delay:
self._temporary_unlock_time = None
# give keyboard window a chance to react
self.on_drag_initiated()
def get_monitor_rects(screen):
"""
Screen limits, one rect per monitor. Monitors may have
different sizes and arbitrary relative positions.
"""
rects = []
if screen:
for i in range(screen.get_n_monitors()):
r = screen.get_monitor_geometry(i)
rects.append(Rect(r.x, r.y, r.width, r.height))
else:
rootwin = Gdk.get_default_root_window()
r = Rect.from_position_size(rootwin.get_position(),
(rootwin.get_width(), rootwin.get_height()))
rects.append(r)
return rects
def update_window_rect(self):
"""
Call this on configure event, the only time when
get_position, get_size, etc. can be trusted.
"""
visible = self.is_visible()
if visible:
pos = Gtk.Window.get_position(self)
size = Gtk.Window.get_size(self)
origin = self.get_window().get_origin()
if len(origin) == 3: # What is the first parameter for? Gdk bug?
origin = origin[1:]
self._window_rect = Rect.from_position_size(pos, size)
self._origin = origin
self._client_offset = (origin[0] - pos[0], origin[1] - pos[1])
self._screen_orientation = self.get_screen_orientation()
