def decorate_welcome_icon(icon, background_color): """Return a `QIcon` with a circle shaped background. """ welcome_icon = QIcon() sizes = [32, 48, 64, 80] background_color = NAMED_COLORS.get(background_color, background_color) background_color = QColor(background_color) grad = radial_gradient(background_color) for size in sizes: icon_pixmap = icon.pixmap(5 * size / 8, 5 * size / 8) icon_size = icon_pixmap.size() icon_rect = QRect(QPoint(0, 0), icon_size) pixmap = QPixmap(size, size) pixmap.fill(QColor(0, 0, 0, 0)) p = QPainter(pixmap) p.setRenderHint(QPainter.Antialiasing, True) p.setBrush(QBrush(grad)) p.setPen(Qt.NoPen) ellipse_rect = QRect(0, 0, size, size) p.drawEllipse(ellipse_rect) icon_rect.moveCenter(ellipse_rect.center()) p.drawPixmap(icon_rect.topLeft(), icon_pixmap) p.end() welcome_icon.addPixmap(pixmap) return welcome_icon
def __setControlAreaVisible(self, visible): # type: (bool) -> None if self.__splitter is None or self.__splitter.count() < 2: return self.controlAreaVisible = visible splitter = self.__splitter # type: QSplitter w = splitter.widget(0) # Set minimum width to 1 (overrides minimumSizeHint) when control area # is not visible to allow the main area to shrink further. Reset the # minimum width with a 0 if control area is visible. w.setMinimumWidth(int(not visible)) sizes = splitter.sizes() current_size = sizes[0] if bool(current_size) == visible: return current_width = w.width() geom = self.geometry() frame = self.frameGeometry() framemargins = QMargins( frame.left() - geom.left(), frame.top() - geom.top(), frame.right() - geom.right(), frame.bottom() - geom.bottom() ) splitter.setSizes([int(visible), QWIDGETSIZE_MAX]) if not self.isWindow() or \ self.windowState() not in [Qt.WindowNoState, Qt.WindowActive]: # not a window or not in state where we can move move/resize return # force immediate resize recalculation splitter.refresh() self.layout().invalidate() self.layout().activate() if visible: # move left and expand by the exposing widget's width diffx = -w.width() diffw = w.width() else: # move right and shrink by the collapsing width diffx = current_width diffw = -current_width newgeom = QRect( geom.x() + diffx, geom.y(), geom.width() + diffw, geom.height() ) # bound/move by available geometry bounds = QApplication.desktop().availableGeometry(self) bounds = bounds.adjusted( framemargins.left(), framemargins.top(), -framemargins.right(), -framemargins.bottom() ) newsize = newgeom.size().boundedTo(bounds.size()) newgeom = QRect(newgeom.topLeft(), newsize) newgeom.moveLeft(max(newgeom.left(), bounds.left())) newgeom.moveRight(min(newgeom.right(), bounds.right())) self.setGeometry(newgeom)
def paint(self, painter, option, index): rect = QRect(option.rect) is_selected = index.data(VariableSelectionModel.IsSelected) full_selection = index.model().sourceModel().is_full() if option.state & QStyle.State_MouseOver: if not full_selection or (full_selection and is_selected): txt = [" 添加 ", " 删除 "][is_selected] txtw = painter.fontMetrics().horizontalAdvance(txt) painter.save() painter.setPen(Qt.NoPen) painter.setBrush(option.palette.brush(QPalette.Button)) brect = QRect( rect.x() + rect.width() - 8 - txtw, rect.y(), txtw, rect.height() ) painter.drawRoundedRect(brect, 4, 4) painter.setPen(option.palette.color(QPalette.ButtonText)) painter.drawText(brect, Qt.AlignCenter, txt) painter.restore() painter.save() double_pen = painter.pen() double_pen.setWidth(2 * double_pen.width()) if is_selected: next = index.sibling(index.row() + 1, index.column()) if not next.isValid(): painter.setPen(double_pen) painter.drawLine(rect.bottomLeft(), rect.bottomRight()) elif not next.data(VariableSelectionModel.IsSelected): painter.drawLine(rect.bottomLeft(), rect.bottomRight()) elif not index.row(): down = QPoint(0, painter.pen().width()) painter.setPen(double_pen) painter.drawLine(rect.topLeft() + down, rect.topRight() + down) else: prev = index.sibling(index.row() - 1, index.column()) if prev.data(VariableSelectionModel.IsSelected): painter.drawLine(rect.topLeft(), rect.topRight()) painter.restore() super().paint(painter, option, index)
def paint(self, painter, option, index): rect = QRect(option.rect) is_selected = index.data(VariableSelectionModel.IsSelected) if option.state & QStyle.State_MouseOver: txt = [" Add ", " Remove "][is_selected] txtw = painter.fontMetrics().width(txt) painter.save() painter.setPen(Qt.NoPen) painter.setBrush(QColor("#ccc")) brect = QRect(rect.x() + rect.width() - 8 - txtw, rect.y(), txtw, rect.height()) painter.drawRoundedRect(brect, 4, 4) painter.restore() painter.drawText(brect, Qt.AlignCenter, txt) painter.save() double_pen = painter.pen() double_pen.setWidth(2 * double_pen.width()) if is_selected: next = index.sibling(index.row() + 1, index.column()) if not next.isValid(): painter.setPen(double_pen) painter.drawLine(rect.bottomLeft(), rect.bottomRight()) elif not next.data(VariableSelectionModel.IsSelected): painter.drawLine(rect.bottomLeft(), rect.bottomRight()) elif not index.row(): down = QPoint(0, painter.pen().width()) painter.setPen(double_pen) painter.drawLine(rect.topLeft() + down, rect.topRight() + down) else: prev = index.sibling(index.row() - 1, index.column()) if prev.data(VariableSelectionModel.IsSelected): painter.drawLine(rect.topLeft(), rect.topRight()) painter.restore() super().paint(painter, option, index)
def showPopup(self): # type: () -> None """ Reimplemented from QComboBox.showPopup Popup up a customized view and filter edit line. Note ---- The .popup(), .lineEdit(), .completer() of the base class are not used. """ if self.__popup is not None: # We have user entered state that cannot be disturbed # (entered filter text, scroll offset, ...) return # pragma: no cover if self.count() == 0: return opt = QStyleOptionComboBox() self.initStyleOption(opt) popup = QListView( uniformItemSizes=True, horizontalScrollBarPolicy=Qt.ScrollBarAlwaysOff, verticalScrollBarPolicy=Qt.ScrollBarAsNeeded, iconSize=self.iconSize(), ) popup.setFocusProxy(self.__searchline) popup.setParent(self, Qt.Popup | Qt.FramelessWindowHint) popup.setItemDelegate(_ComboBoxListDelegate(popup)) proxy = QSortFilterProxyModel( popup, filterCaseSensitivity=Qt.CaseInsensitive ) proxy.setFilterKeyColumn(self.modelColumn()) proxy.setSourceModel(self.model()) popup.setModel(proxy) root = proxy.mapFromSource(self.rootModelIndex()) popup.setRootIndex(root) self.__popup = popup self.__proxy = proxy self.__searchline.setText("") self.__searchline.setPlaceholderText("Filter...") self.__searchline.setVisible(True) self.__searchline.textEdited.connect(proxy.setFilterFixedString) style = self.style() # type: QStyle popuprect_origin = style.subControlRect( QStyle.CC_ComboBox, opt, QStyle.SC_ComboBoxListBoxPopup, self ) # type: QRect popuprect_origin = QRect( self.mapToGlobal(popuprect_origin.topLeft()), popuprect_origin.size() ) editrect = style.subControlRect( QStyle.CC_ComboBox, opt, QStyle.SC_ComboBoxEditField, self ) # type: QRect self.__searchline.setGeometry(editrect) desktop = QApplication.desktop() screenrect = desktop.availableGeometry(self) # type: QRect # get the height for the view listrect = QRect() for i in range(min(proxy.rowCount(root), self.maxVisibleItems())): index = proxy.index(i, self.modelColumn(), root) if index.isValid(): listrect = listrect.united(popup.visualRect(index)) if listrect.height() >= screenrect.height(): break window = popup.window() # type: QWidget window.ensurePolished() if window.layout() is not None: window.layout().activate() else: QApplication.sendEvent(window, QEvent(QEvent.LayoutRequest)) margins = qwidget_margin_within(popup.viewport(), window) height = (listrect.height() + 2 * popup.spacing() + margins.top() + margins.bottom()) popup_size = (QSize(popuprect_origin.width(), height) .expandedTo(window.minimumSize()) .boundedTo(window.maximumSize()) .boundedTo(screenrect.size())) popuprect = QRect(popuprect_origin.bottomLeft(), popup_size) popuprect = dropdown_popup_geometry( popuprect, popuprect_origin, screenrect) popup.setGeometry(popuprect) current = proxy.mapFromSource( self.model().index(self.currentIndex(), self.modelColumn(), self.rootModelIndex())) popup.setCurrentIndex(current) popup.scrollTo(current, QAbstractItemView.EnsureVisible) popup.show() popup.setFocus(Qt.PopupFocusReason) popup.installEventFilter(self) popup.viewport().installEventFilter(self) popup.viewport().setMouseTracking(True) self.update() self.__popupTimer.restart()
def __layout(self): # position itself over `widget` # pylint: disable=too-many-branches widget = self.__widget if widget is None: return alignment = self.__alignment policy = self.sizePolicy() if widget.window() is self.window() and not self.isWindow(): if widget.isWindow(): bounds = widget.rect() else: bounds = QRect(widget.mapTo(widget.window(), QPoint(0, 0)), widget.size()) tl = self.parent().mapFrom(widget.window(), bounds.topLeft()) bounds = QRect(tl, widget.size()) else: if widget.isWindow(): bounds = widget.geometry() else: bounds = QRect(widget.mapToGlobal(QPoint(0, 0)), widget.size()) if self.isWindow(): bounds = bounds else: bounds = QRect(self.parent().mapFromGlobal(bounds.topLeft()), bounds.size()) sh = self.sizeHint() minsh = self.minimumSizeHint() minsize = self.minimumSize() if minsize.isNull(): minsize = minsh maxsize = bounds.size().boundedTo(self.maximumSize()) minsize = minsize.boundedTo(maxsize) effectivesh = sh.expandedTo(minsize).boundedTo(maxsize) hpolicy = policy.horizontalPolicy() vpolicy = policy.verticalPolicy() if not effectivesh.isValid(): effectivesh = QSize(0, 0) vpolicy = hpolicy = QSizePolicy.Ignored def getsize(hint, minimum, maximum, policy): if policy == QSizePolicy.Ignored: return maximum elif policy & QSizePolicy.ExpandFlag: return maximum else: return max(hint, minimum) width = getsize(effectivesh.width(), minsize.width(), maxsize.width(), hpolicy) heightforw = self.heightForWidth(width) if heightforw > 0: height = getsize(heightforw, minsize.height(), maxsize.height(), vpolicy) else: height = getsize(effectivesh.height(), minsize.height(), maxsize.height(), vpolicy) size = QSize(width, height) if alignment & Qt.AlignLeft: x = bounds.x() elif alignment & Qt.AlignRight: x = bounds.x() + bounds.width() - size.width() else: x = bounds.x() + max(0, bounds.width() - size.width()) // 2 if alignment & Qt.AlignTop: y = bounds.y() elif alignment & Qt.AlignBottom: y = bounds.y() + bounds.height() - size.height() else: y = bounds.y() + max(0, bounds.height() - size.height()) // 2 geom = QRect(QPoint(x, y), size) self.setGeometry(geom)
def __layout(self): # position itself over `widget` widget = self.__widget if widget is None: return alignment = self.__alignment policy = self.sizePolicy() if widget.isWindow(): bounds = widget.geometry() else: bounds = QRect(widget.mapToGlobal(QPoint(0, 0)), widget.size()) if self.isWindow(): bounds = bounds else: bounds = QRect(self.parent().mapFromGlobal(bounds.topLeft()), bounds.size()) sh = self.sizeHint() minsh = self.minimumSizeHint() minsize = self.minimumSize() if minsize.isNull(): minsize = minsh maxsize = bounds.size().boundedTo(self.maximumSize()) minsize = minsize.boundedTo(maxsize) effectivesh = sh.expandedTo(minsize).boundedTo(maxsize) hpolicy = policy.horizontalPolicy() vpolicy = policy.verticalPolicy() def getsize(hint, minimum, maximum, policy): if policy == QSizePolicy.Ignored: return maximum elif policy & QSizePolicy.ExpandFlag: return maximum else: return max(hint, minimum) width = getsize(effectivesh.width(), minsize.width(), maxsize.width(), hpolicy) heightforw = self.heightForWidth(width) if heightforw > 0: height = getsize(heightforw, minsize.height(), maxsize.height(), vpolicy) else: height = getsize(effectivesh.height(), minsize.height(), maxsize.height(), vpolicy) size = QSize(width, height) if alignment & Qt.AlignLeft: x = bounds.x() elif alignment & Qt.AlignRight: x = bounds.right() - size.width() else: x = bounds.x() + max(0, bounds.width() - size.width()) // 2 if alignment & Qt.AlignTop: y = bounds.y() elif alignment & Qt.AlignBottom: y = bounds.bottom() - size.height() else: y = bounds.y() + max(0, bounds.height() - size.height()) // 2 geom = QRect(QPoint(x, y), size) self.setGeometry(geom)