def minimumSize(self):
size = QSize()
for item in self.items:
size = size.expandedTo(item.minimumSize())
margin = self.margin()
size += QSize(2*margin, 2*margin)
return size
def sizeHint(self):
""" A virtual method implementation which returns the size hint
for the layout.
"""
if self._cached_hint is None:
size = QSize(0, 0)
for item in self._items:
size = size.expandedTo(item.sizeHint())
left, top, right, bottom = self.getContentsMargins()
size.setWidth(size.width() + left + right)
size.setHeight(size.height() + top + bottom)
self._cached_hint = size
return self._cached_hint
def cellSize(self, leafIndex, hv, styleOptions):
res = QSize()
variant = leafIndex.data(Qt.SizeHintRole)
if variant:
res = variant
fnt = QFont(hv.font())
var = leafIndex.data(Qt.FontRole)
if var:
fnt = var
fnt.setBold(True)
fm = QFontMetrics(fnt)
size = QSize(fm.size(0, leafIndex.data(Qt.DisplayRole))+QSize(4, 0)) #WA: add more horizontal size (4px)
if leafIndex.data(Qt.UserRole):
size.transpose()
decorationsSize = QSize(hv.style().sizeFromContents(QStyle.CT_HeaderSection, styleOptions, QSize(), hv))
emptyTextSize = QSize(fm.size(0, ""))
return res.expandedTo(size+decorationsSize-emptyTextSize)
def minimumSize(self):
""" A reimplemented method which returns the minimum size hint
of the layout item widget as the minimum size of the window.
"""
if self._cached_min is None:
size = QSize(0, 0)
for item in self._items:
size = size.expandedTo(item.minimumSize())
left, top, right, bottom = self.getContentsMargins()
size.setWidth(size.width() + left + right)
size.setHeight(size.height() + top + bottom)
self._cached_min = size
# XXX hack! We really need hasWidthForHeight! This doesn't quite
# work because a QScrollArea internally caches the min size.
d = self._options.direction
if d == self.TopToBottom or d == self.BottomToTop:
m = QSize(self._cached_min)
if m.width() < self._cached_wfh:
m.setWidth(self._cached_wfh)
return m
return self._cached_min
def sizeHint(self):
size = QSize(400, 300)
return size.expandedTo(QApplication.globalStrut())
