Palettes only popup if mouse slow, #4515

This commit is contained in:
Reinier Heeres 2007-11-22 18:07:52 +01:00
parent e9119e5733
commit 4e8615a883

View File

@ -59,6 +59,69 @@ def _calculate_gap(a, b):
else:
return False
class MouseSpeedDetector(gobject.GObject):
__gsignals__ = {
'motion-slow': (gobject.SIGNAL_RUN_FIRST, gobject.TYPE_NONE, ([])),
'motion-fast': (gobject.SIGNAL_RUN_FIRST, gobject.TYPE_NONE, ([])),
}
_MOTION_SLOW = 1
_MOTION_FAST = 2
def __init__(self, parent, delay, thresh):
"""Create MouseSpeedDetector object,
delay in msec
threshold in pixels (per tick of 'delay' msec)"""
gobject.GObject.__init__(self)
self._threshold = thresh
self._parent = parent
self._delay = delay
self._state = None
self._timeout_hid = None
def start(self):
self._state = None
self._mouse_pos = self._get_mouse_position()
self._timeout_hid = gobject.timeout_add(self._delay, self._timer_cb)
def stop(self):
if self._timeout_hid is not None:
gobject.source_remove(self._timeout_hid)
self._state = None
def _get_mouse_position(self):
display = gtk.gdk.display_get_default()
screen, x, y, mask = display.get_pointer()
return (x, y)
def _detect_motion(self):
oldx, oldy = self._mouse_pos
(x, y) = self._get_mouse_position()
self._mouse_pos = (x, y)
dist2 = (oldx - x)**2 + (oldy - y)**2
if dist2 > self._threshold**2:
return True
else:
return False
def _timer_cb(self):
motion = self._detect_motion()
if motion and self._state != self._MOTION_FAST:
self.emit('motion-fast')
self._state = self._MOTION_FAST
elif not motion and self._state != self._MOTION_SLOW:
self.emit('motion-slow')
self._state = self._MOTION_SLOW
return True
class Palette(gtk.Window):
PRIMARY = 0
SECONDARY = 1
@ -151,6 +214,9 @@ class Palette(gtk.Window):
self.set_primary_text(label, accel_path)
self.set_group_id('default')
self._mouse_detector = MouseSpeedDetector(self, 200, 5)
self._mouse_detector.connect('motion-slow', self._mouse_slow_cb)
def _add_menu(self):
self._menu_box = gtk.VBox()
self._secondary_box.pack_start(self._menu_box)
@ -213,7 +279,7 @@ class Palette(gtk.Window):
if pspec.name == 'invoker':
if self._invoker is not None:
self._invoker.disconnect(self._enter_invoker_hid)
self._invoker.disconnect(self._leave_invoker_hid)
self._invoker.disconnect(self._leave_invoker_hid)
self._invoker = value
if value is not None:
@ -392,9 +458,16 @@ class Palette(gtk.Window):
self.palette_state = state
def _invoker_mouse_enter_cb(self, invoker):
self._mouse_detector.start()
def _mouse_slow_cb(self, widget):
self._mouse_detector.stop()
self._palette_do_popup()
def _palette_do_popup(self):
immediate = False
if self.is_up():
if self.is_up():
self._popdown_anim.stop()
return
@ -409,6 +482,8 @@ class Palette(gtk.Window):
self.popup(immediate=immediate)
def _invoker_mouse_leave_cb(self, invoker):
if self._mouse_detector is not None:
self._mouse_detector.stop()
self.popdown()
def _enter_notify_event_cb(self, widget, event):