class FadingDialog(QDialog):
"""A general fade in/fade out QDialog with some builtin functions"""
sig_key_pressed = Signal()
def __init__(self, parent, opacity, duration, easing_curve):
super(FadingDialog, self).__init__(parent)
self.parent = parent
self.opacity_min = min(opacity)
self.opacity_max = max(opacity)
self.duration_fadein = duration[0]
self.duration_fadeout = duration[-1]
self.easing_curve_in = easing_curve[0]
self.easing_curve_out = easing_curve[-1]
self.effect = None
self.anim = None
self._fade_running = False
self._funcs_before_fade_in = []
self._funcs_after_fade_in = []
self._funcs_before_fade_out = []
self._funcs_after_fade_out = []
self.setModal(False)
def _run(self, funcs):
""" """
for func in funcs:
func()
def _run_before_fade_in(self):
""" """
self._run(self._funcs_before_fade_in)
def _run_after_fade_in(self):
""" """
self._run(self._funcs_after_fade_in)
def _run_before_fade_out(self):
""" """
self._run(self._funcs_before_fade_out)
def _run_after_fade_out(self):
""" """
self._run(self._funcs_after_fade_out)
def _set_fade_finished(self):
""" """
self._fade_running = False
def _fade_setup(self):
""" """
self._fade_running = True
self.effect = QGraphicsOpacityEffect(self)
self.setGraphicsEffect(self.effect)
self.anim = QPropertyAnimation(self.effect, "opacity")
# --- public api
def fade_in(self, on_finished_connect):
""" """
self._run_before_fade_in()
self._fade_setup()
self.show()
self.raise_()
self.anim.setEasingCurve(self.easing_curve_in)
self.anim.setStartValue(self.opacity_min)
self.anim.setEndValue(self.opacity_max)
self.anim.setDuration(self.duration_fadein)
self.anim.finished.connect(on_finished_connect)
self.anim.finished.connect(self._set_fade_finished)
self.anim.finished.connect(self._run_after_fade_in)
self.anim.start()
def fade_out(self, on_finished_connect):
""" """
self._run_before_fade_out()
self._fade_setup()
self.anim.setEasingCurve(self.easing_curve_out)
self.anim.setStartValue(self.opacity_max)
self.anim.setEndValue(self.opacity_min)
self.anim.setDuration(self.duration_fadeout)
self.anim.finished.connect(on_finished_connect)
self.anim.finished.connect(self._set_fade_finished)
self.anim.finished.connect(self._run_after_fade_out)
self.anim.start()
def is_fade_running(self):
""" """
return self._fade_running
def set_funcs_before_fade_in(self, funcs):
""" """
self._funcs_before_fade_in = funcs
def set_funcs_after_fade_in(self, funcs):
""" """
self._funcs_after_fade_in = funcs
def set_funcs_before_fade_out(self, funcs):
""" """
self._funcs_before_fade_out = funcs
def set_funcs_after_fade_out(self, funcs):
""" """
self._funcs_after_fade_out = funcs
class FadingDialog(QDialog):
"""A general fade in/fade out QDialog with some builtin functions"""
sig_key_pressed = Signal()
def __init__(self, parent, opacity, duration, easing_curve):
super(FadingDialog, self).__init__(parent)
self.parent = parent
self.opacity_min = min(opacity)
self.opacity_max = max(opacity)
self.duration_fadein = duration[0]
self.duration_fadeout = duration[-1]
self.easing_curve_in = easing_curve[0]
self.easing_curve_out = easing_curve[-1]
self.effect = None
self.anim = None
self._fade_running = False
self._funcs_before_fade_in = []
self._funcs_after_fade_in = []
self._funcs_before_fade_out = []
self._funcs_after_fade_out = []
self.setModal(False)
def _run(self, funcs):
""" """
for func in funcs:
func()
def _run_before_fade_in(self):
""" """
self._run(self._funcs_before_fade_in)
def _run_after_fade_in(self):
""" """
self._run(self._funcs_after_fade_in)
def _run_before_fade_out(self):
""" """
self._run(self._funcs_before_fade_out)
def _run_after_fade_out(self):
""" """
self._run(self._funcs_after_fade_out)
def _set_fade_finished(self):
""" """
self._fade_running = False
def _fade_setup(self):
""" """
self._fade_running = True
self.effect = QGraphicsOpacityEffect(self)
self.setGraphicsEffect(self.effect)
self.anim = QPropertyAnimation(self.effect, "opacity")
# --- public api
def fade_in(self, on_finished_connect):
""" """
self._run_before_fade_in()
self._fade_setup()
self.show()
self.raise_()
self.anim.setEasingCurve(self.easing_curve_in)
self.anim.setStartValue(self.opacity_min)
self.anim.setEndValue(self.opacity_max)
self.anim.setDuration(self.duration_fadein)
self.anim.finished.connect(on_finished_connect)
self.anim.finished.connect(self._set_fade_finished)
self.anim.finished.connect(self._run_after_fade_in)
self.anim.start()
def fade_out(self, on_finished_connect):
""" """
self._run_before_fade_out()
self._fade_setup()
self.anim.setEasingCurve(self.easing_curve_out)
self.anim.setStartValue(self.opacity_max)
self.anim.setEndValue(self.opacity_min)
self.anim.setDuration(self.duration_fadeout)
self.anim.finished.connect(on_finished_connect)
self.anim.finished.connect(self._set_fade_finished)
self.anim.finished.connect(self._run_after_fade_out)
self.anim.start()
def is_fade_running(self):
""" """
return self._fade_running
def set_funcs_before_fade_in(self, funcs):
""" """
self._funcs_before_fade_in = funcs
def set_funcs_after_fade_in(self, funcs):
""" """
self._funcs_after_fade_in = funcs
def set_funcs_before_fade_out(self, funcs):
""" """
self._funcs_before_fade_out = funcs
def set_funcs_after_fade_out(self, funcs):
""" """
self._funcs_after_fade_out = funcs
