def start(self, msec=None):
"""Extend start to check for overflows."""
if msec is not None:
qtutils.check_overflow(msec, 'int')
super().start(msec)
else:
super().start()
def check_overflow(arg: int, ctype: str) -> None:
"""Check if the given argument is in bounds for the given type.
Args:
arg: The argument to check.
ctype: The C++/Qt type to check as a string ('int'/'int64').
"""
try:
qtutils.check_overflow(arg, ctype)
except OverflowError:
raise CommandError("Numeric argument is too large for internal {} "
"representation.".format(ctype))
def _update_overlay_geometry(self, widget, centered, padding):
"""Reposition/resize the given overlay."""
if not widget.isVisible():
return
size_hint = widget.sizeHint()
if widget.sizePolicy().horizontalPolicy() == QSizePolicy.Expanding:
width = self.width() - 2 * padding
left = padding
else:
width = min(size_hint.width(), self.width() - 2 * padding)
left = (self.width() - width) // 2 if centered else 0
height_padding = 20
status_position = config.val.statusbar.position
if status_position == 'bottom':
if self.status.isVisible():
status_height = self.status.height()
bottom = self.status.geometry().top()
else:
status_height = 0
bottom = self.height()
top = self.height() - status_height - size_hint.height()
top = qtutils.check_overflow(top, 'int', fatal=False)
topleft = QPoint(left, max(height_padding, top))
bottomright = QPoint(left + width, bottom)
elif status_position == 'top':
if self.status.isVisible():
status_height = self.status.height()
top = self.status.geometry().bottom()
else:
status_height = 0
top = 0
topleft = QPoint(left, top)
bottom = status_height + size_hint.height()
bottom = qtutils.check_overflow(bottom, 'int', fatal=False)
bottomright = QPoint(left + width,
min(self.height() - height_padding, bottom))
else:
raise ValueError("Invalid position {}!".format(status_position))
rect = QRect(topleft, bottomright)
log.misc.debug('new geometry for {!r}: {}'.format(widget, rect))
if rect.isValid():
widget.setGeometry(rect)
def set_http_cache_size(self):
"""Initialize the HTTP cache size for the given profile."""
size = config.val.content.cache.size
if size is None:
size = 0
else:
size = qtutils.check_overflow(size, 'int', fatal=False)
# 0: automatically managed by QtWebEngine
self._profile.setHttpCacheMaximumSize(size)
def to_perc(self, x=None, y=None):
if x is None and y == 0:
self.top()
elif x is None and y == 100:
self.bottom()
else:
for val, orientation in [(x, Qt.Horizontal), (y, Qt.Vertical)]:
if val is not None:
frame = self._widget.page().mainFrame()
maximum = frame.scrollBarMaximum(orientation)
if maximum == 0:
continue
pos = int(maximum * val / 100)
pos = qtutils.check_overflow(pos, 'int', fatal=False)
frame.setScrollBarValue(orientation, pos)
def setInterval(self, msec):
"""Extend setInterval to check for overflows."""
qtutils.check_overflow(msec, 'int')
super().setInterval(msec)
def delta(self, x=0, y=0):
qtutils.check_overflow(x, 'int')
qtutils.check_overflow(y, 'int')
self._widget.page().mainFrame().scroll(x, y)
def test_bad_values_nonfatal(self, ctype, val, repl):
"""Test values which are outside bounds with fatal=False."""
newval = qtutils.check_overflow(val, ctype, fatal=False)
assert newval == repl
def test_bad_values_fatal(self, ctype, val):
"""Test values which are outside bounds with fatal=True."""
with pytest.raises(OverflowError):
qtutils.check_overflow(val, ctype)
def test_good_values(self, ctype, val):
"""Test values which are inside bounds."""
qtutils.check_overflow(val, ctype)