我们从Python开源项目中，提取了以下50个代码示例，用于说明如何使用PyQt5.QtCore.Qt.red()。
def process_finished(self, exit_code): format = self.ui.edit_stdout.currentCharFormat() format.setFontWeight(QFont.Bold) if exit_code == 0: if self._interrupted: color = Qt.red msg = ('Process interrupted by user') else: color = Qt.green msg = ('Process exited normally') else: color = Qt.red msg = ('Process exited with exit code %d' % exit_code) format.setForeground(color) self.ui.edit_stdout.setCurrentCharFormat(format) self.ui.edit_stdout.appendPlainText(msg) self.restore_gui() self.ui.edit_stdout.setTextInteractionFlags(Qt.TextSelectableByMouse | Qt.TextSelectableByKeyboard) self.process = None self.ui.btn_log.setEnabled(self.last_log_file is not None and os.path.isfile(self.last_log_file))
def add_bars(win): if len(win.edges) == 0: QMessageBox.warning(win, "????????!", "?? ?????? ??????????!") return win.pen.setColor(red) w.lines.append([[win.edges[0].x() - 15, win.edges[0].y() - 15], [win.edges[1].x() - 15, win.edges[1].y() - 15]]) add_row(w.table_bars) i = w.table_bars.rowCount() - 1 item_b = QTableWidgetItem("[{0}, {1}]".format(win.edges[0].x() - 15 , win.edges[0].y() - 15)) item_e = QTableWidgetItem("[{0}, {1}]".format(win.edges[1].x() - 15, win.edges[1].y() - 15)) w.table_bars.setItem(i, 0, item_b) w.table_bars.setItem(i, 1, item_e) w.scene.addLine(win.edges[0].x() - 15, win.edges[0].y() - 15, win.edges[1].x() - 15, win.edges[1].y() - 15, w.pen) win.pen.setColor(red) w.lines.append([[win.edges[0].x() + 15, win.edges[0].y() + 15], [win.edges[1].x() + 15, win.edges[1].y() + 15]]) add_row(w.table_bars) i = w.table_bars.rowCount() - 1 item_b = QTableWidgetItem("[{0}, {1}]".format(win.edges[0].x() + 15, win.edges[0].y() + 15)) item_e = QTableWidgetItem("[{0}, {1}]".format(win.edges[1].x() + 15, win.edges[1].y() + 15)) w.table_bars.setItem(i, 0, item_b) w.table_bars.setItem(i, 1, item_e) w.scene.addLine(win.edges[0].x() + 15, win.edges[0].y() + 15, win.edges[1].x() + 15, win.edges[1].y() + 15, w.pen)
def clipping(win): if len(win.clip) <= 1: QMessageBox.warning(win, "??????!", "?????????? ?? ?????!") if len(win.pol) <= 1: QMessageBox.warning(win, "??????!", "????????????? ?? ?????!") if len(win.pol) > 1 and len(win.clip) > 1: norm = isConvex(win.clip) if not norm: QMessageBox.warning(win, "??????!", "?????????? ?? ????????!???????? ?? ????? ???? ?????????!") else: p = sutherland_hodgman(win.clip, win.pol, norm) if p: win.pen.setWidth(2) win.pen.setColor(red) win.scene.addPolygon(p, win.pen) win.pen.setWidth(1)
def __init__(self): QtWidgets.QWidget.__init__(self) uic.loadUi("window.ui", self) self.scene = Scene(0, 0, 561, 581) self.scene.win = self self.view.setScene(self.scene) self.image = QImage(561, 581, QImage.Format_ARGB32_Premultiplied) self.image.fill(Qt.white) self.bars.clicked.connect(lambda : set_bars(self)) self.erase.clicked.connect(lambda: clean_all(self)) self.paint.clicked.connect(lambda: clipping(self)) self.rect.clicked.connect(lambda: set_rect(self)) self.ect.clicked.connect(lambda: add_bars(self)) self.lines = [] self.clip = None self.point_now = None self.input_bars = False self.input_rect = False self.pen = QPen(red)
def data(self, role): if role in (Qt.EditRole, Qt.StatusTipRole): return self.formula() if role == Qt.DisplayRole: return self.display() t = str(self.display()) try: number = int(t) except ValueError: number = None if role == Qt.TextColorRole: if number is None: return QColor(Qt.black) elif number < 0: return QColor(Qt.red) return QColor(Qt.blue) if role == Qt.TextAlignmentRole: if t and (t[0].isdigit() or t[0] == '-'): return Qt.AlignRight | Qt.AlignVCenter return super(SpreadSheetItem, self).data(role)
def moveCursor(self, line, column): self.instanceEdit.moveCursor(QTextCursor.Start) for i in range(1, line): self.instanceEdit.moveCursor(QTextCursor.Down) for i in range(1, column): self.instanceEdit.moveCursor(QTextCursor.Right) extraSelections = [] selection = QTextEdit.ExtraSelection() lineColor = QColor(Qt.red).lighter(160) selection.format.setBackground(lineColor) selection.format.setProperty(QTextFormat.FullWidthSelection, True) selection.cursor = self.instanceEdit.textCursor() selection.cursor.clearSelection() extraSelections.append(selection) self.instanceEdit.setExtraSelections(extraSelections) self.instanceEdit.setFocus()
def reformatCalendarPage(self): if self.firstFridayCheckBox.isChecked(): firstFriday = QDate(self.calendar.yearShown(), self.calendar.monthShown(), 1) while firstFriday.dayOfWeek() != Qt.Friday: firstFriday = firstFriday.addDays(1) firstFridayFormat = QTextCharFormat() firstFridayFormat.setForeground(Qt.blue) self.calendar.setDateTextFormat(firstFriday, firstFridayFormat) # May 1st in Red takes precedence. if self.mayFirstCheckBox.isChecked(): mayFirst = QDate(self.calendar.yearShown(), 5, 1) mayFirstFormat = QTextCharFormat() mayFirstFormat.setForeground(Qt.red) self.calendar.setDateTextFormat(mayFirst, mayFirstFormat)
def updateLockStatus(self, status, reason): indicationColor = Qt.black if status == QCamera.Searching: self.ui.statusbar.showMessage("Focusing...") self.ui.lockButton.setText("Focusing...") indicationColor = Qt.yellow elif status == QCamera.Locked: self.ui.lockButton.setText("Unlock") self.ui.statusbar.showMessage("Focused", 2000) indicationColor = Qt.darkGreen elif status == QCamera.Unlocked: self.ui.lockButton.setText("Focus") if reason == QCamera.LockFailed: self.ui.statusbar.showMessage("Focus Failed", 2000) indicationColor = Qt.red palette = self.ui.lockButton.palette() palette.setColor(QPalette.ButtonText, indicationColor) self.ui.lockButton.setPalette(palette)
def color_oldDB_sections(self, old_section, intg_section, combo_section): """display old sections in red color. Args: old_section(str): Old sections from IS 808 1984 intg_section(str): Revised sections from IS 808 2007 combo_section(QcomboBox): Beam/Column dropdown list Returns: """ for col in old_section: if col in intg_section: indx = intg_section.index(str(col)) combo_section.setItemData(indx, QBrush(QColor("red")), Qt.TextColorRole) duplicate = [i for i, x in enumerate(intg_section) if intg_section.count(x) > 1] for i in duplicate: combo_section.setItemData(i, QBrush(QColor("red")), Qt.TextColorRole)
def check_range(self, widget, lblwidget, min_value, max_value): """(QlineEdit, QLabel, Number, Number)---> NoneType Validating F_u(ultimate Strength) and F_y (Yield Strength) textfields """ textStr = widget.text() val = int(textStr) if val < min_value or val > max_value: QMessageBox.about(self, 'Error', 'Please Enter a value between %s-%s' % (min_value, max_value)) widget.clear() widget.setFocus() palette = QPalette() palette.setColor(QPalette.Foreground, Qt.red) lblwidget.setPalette(palette) else: palette = QPalette() lblwidget.setPalette(palette)
def check_range(self, widget, lblwidget, min_val, max_val): '''(QlineEdit,QLable,Number,Number)---> NoneType Validating F_u(ultimate Strength) and F_y (Yeild Strength) textfields ''' text_str = widget.text() val = int(text_str) if(val < min_val or val > max_val): QMessageBox.about(self, 'Error', 'Please Enter a value between %s-%s' % (min_val, max_val)) widget.clear() widget.setFocus() palette = QPalette() palette.setColor(QPalette.Foreground, Qt.red) lblwidget.setPalette(palette) else: palette = QPalette() lblwidget.setPalette(palette)
def __init__(self, parent=None): super(MainWindow, self).__init__(parent) self.centralWidget = QWidget() self.setCentralWidget(self.centralWidget) self.createGroupBox() listWidget = QListWidget() for le in MainWindow.listEntries: listWidget.addItem(self.tr(le)) mainLayout = QVBoxLayout() mainLayout.addWidget(self.groupBox) mainLayout.addWidget(listWidget) self.centralWidget.setLayout(mainLayout) exitAction = QAction(self.tr("E&xit"), self, triggered=QApplication.instance().quit) fileMenu = self.menuBar().addMenu(self.tr("&File")) fileMenu.setPalette(QPalette(Qt.red)) fileMenu.addAction(exitAction) self.setWindowTitle(self.tr("Language: %s") % self.tr("English")) self.statusBar().showMessage(self.tr("Internationalization Example")) if self.tr("LTR") == "RTL": self.setLayoutDirection(Qt.RightToLeft)
def process_errored(self): try: exit_code = self.process.exitCode() except Exception: exit_code = 0 format = self.ui.edit_stdout.currentCharFormat() format.setFontWeight(QFont.Bold) format.setForeground(Qt.red) self.ui.edit_stdout.setCurrentCharFormat(format) self.ui.edit_stdout.appendPlainText('Process exited with exit code' % exit_code) self.restore_gui() self.ui.edit_stdout.setTextInteractionFlags(Qt.TextSelectableByMouse | Qt.TextSelectableByKeyboard) self.process = None
def initUI(self): # QToolTip.setFont(QFont('SansSerif', 9)) self.cwidget = GUICenterWidget() self.setCentralWidget(self.cwidget) # self.setToolTip('This is a <b>QWidget</b> widget') self.statusBar().showMessage('Ready') self.center() self.setWindowTitle('Coliform Control GUI') self.onewiretimer = QTimer(self) self.onewiretimer.timeout.connect(self.cwidget.onewireOn) self.onewiretimer.start(1000) # self.p = QPalette(self.palette()) # self.p.setColor(QPalette.Window, QColor(53, 53, 53)) # self.p.setColor(QPalette.WindowText, Qt.white) # self.p.setColor(QPalette.AlternateBase, QColor(53, 53, 53)) # self.p.setColor(QPalette.ToolTipBase, Qt.white) # self.p.setColor(QPalette.ToolTipText, Qt.white) # self.p.setColor(QPalette.Button, QColor(53, 53, 53)) # self.p.setColor(QPalette.ButtonText, Qt.white) # self.p.setColor(QPalette.BrightText, Qt.red) # self.p.setColor(QPalette.Highlight, QColor(142, 45, 197).lighter()) # self.p.setColor(QPalette.HighlightedText, Qt.black) # self.setPalette(self.p) self.show()
def initUI(self): # QToolTip.setFont(QFont('SansSerif', 9)) self.cwidget = CameraCenterWidget() self.setCentralWidget(self.cwidget) # self.setToolTip('This is a <b>QWidget</b> widget') self.center() self.setWindowTitle('Camera Control GUI') self.statusBarTimer = QTimer(self) self.statusBarTimer.timeout.connect(self.statusUpdate) self.statusBarTimer.start(100) # self.p = QPalette(self.palette()) # self.p.setColor(QPalette.Window, QColor(53, 53, 53)) # self.p.setColor(QPalette.WindowText, Qt.white) # self.p.setColor(QPalette.AlternateBase, QColor(53, 53, 53)) # self.p.setColor(QPalette.ToolTipBase, Qt.white) # self.p.setColor(QPalette.ToolTipText, Qt.white) # self.p.setColor(QPalette.Button, QColor(53, 53, 53)) # self.p.setColor(QPalette.ButtonText, Qt.white) # self.p.setColor(QPalette.BrightText, Qt.red) # self.p.setColor(QPalette.Highlight, QColor(142, 45, 197).lighter()) # self.p.setColor(QPalette.HighlightedText, Qt.black) # self.setPalette(self.p) self.show()
def initUI(self): # QToolTip.setFont(QFont('SansSerif', 9)) self.cwidget = RGBCenterWidget() self.setCentralWidget(self.cwidget) # self.setToolTip('This is a <b>QWidget</b> widget') self.center() self.setWindowTitle('RGB Sensor GUI') self.statusBarTimer = QTimer(self) self.statusBarTimer.timeout.connect(self.statusUpdate) self.statusBarTimer.start(100) # self.p = QPalette(self.palette()) # self.p.setColor(QPalette.Window, QColor(53, 53, 53)) # self.p.setColor(QPalette.WindowText, Qt.white) # self.p.setColor(QPalette.AlternateBase, QColor(53, 53, 53)) # self.p.setColor(QPalette.ToolTipBase, Qt.white) # self.p.setColor(QPalette.ToolTipText, Qt.white) # self.p.setColor(QPalette.Button, QColor(53, 53, 53)) # self.p.setColor(QPalette.ButtonText, Qt.white) # self.p.setColor(QPalette.BrightText, Qt.red) # self.p.setColor(QPalette.Highlight, QColor(142, 45, 197).lighter()) # self.p.setColor(QPalette.HighlightedText, Qt.black) # self.setPalette(self.p) self.show()
def highlight_bytes_at_address(self, segment, address, length, color=Qt.red, name="*"): """ Helper function for highlighting """ self.get_widget(segment).highlight_address(address, length, color, name)
def highlight_instr_pointer(self, ip): """ Removes old instruction pointer highlights and creates a new one """ if self.instr_pointer is not None: self.get_widget('stack').clear_highlight(self.instr_pointer) self.highlight_bytes_at_address('stack', ip, 1, Qt.red) self.instr_pointer = ip
def _add_latest_input_line(self, angle): """Adds a line to the graphic scene that visualizes a scanned angle""" mx, my = self._get_middle() angle_rad = deg2rad(angle) angle_1_rad = deg2rad(angle - self.measurement_angle/2.0) angle_2_rad = deg2rad(angle + self.measurement_angle/2.0) length = max(self.width(), self.height()) start_point = (mx, my) p1 = (mx + length * math.cos(angle_1_rad), my + length * math.sin(angle_1_rad)) p2 = (mx + length * math.cos(angle_2_rad), my + length * math.sin(angle_2_rad)) gradient_start_point, gradient_end_point = (mx, my), (mx + length * math.cos(angle_rad), my + length * math.sin(angle_rad)) gradient = QLinearGradient(*gradient_start_point, *gradient_end_point) gradient.setColorAt(0, Qt.transparent) gradient.setColorAt(0.8, Qt.red) gradient.setColorAt(1, Qt.darkRed) triangle = QPolygonF() triangle.append(QPointF(*start_point)) triangle.append(QPointF(*p1)) triangle.append(QPointF(*p2)) triangle.append(QPointF(*start_point)) self.scene.addPolygon(triangle, pen=QPen(Qt.transparent), brush=QBrush(gradient))
def node_mode_to_color(mode): s = uavcan.protocol.NodeStatus() return { s.MODE_INITIALIZATION: Qt.cyan, s.MODE_MAINTENANCE: Qt.magenta, s.MODE_SOFTWARE_UPDATE: Qt.magenta, s.MODE_OFFLINE: Qt.red }.get(mode)
def node_health_to_color(health): s = uavcan.protocol.NodeStatus() return { s.HEALTH_WARNING: Qt.yellow, s.HEALTH_ERROR: Qt.magenta, s.HEALTH_CRITICAL: Qt.red, }.get(health)
def log_level_to_color(level): return { level.DEBUG: None, level.INFO: Qt.green, level.WARNING: Qt.yellow, level.ERROR: Qt.red, }.get(level.value)
def _on_extraction_expression_changed(self): text = self._extraction_expression_box.text() try: expr = Expression(text) self._extraction_expression_box.setPalette(QApplication.palette()) except Exception: _set_color(self._extraction_expression_box, QPalette.Base, Qt.red) return self._model.extraction_expression = expr
def add_point(point): global w if w.input_rect: w.pen.setColor(black) if w.point_now_rect is None: w.point_now_rect = point w.point_lock = point add_row(w.table_rect) i = w.table_rect.rowCount() - 1 item_x = QTableWidgetItem("{0}".format(point.x())) item_y = QTableWidgetItem("{0}".format(point.y())) w.table_rect.setItem(i, 0, item_x) w.table_rect.setItem(i, 1, item_y) else: w.edges.append(point) w.point_now_rect = point add_row(w.table_rect) i = w.table_rect.rowCount() - 1 item_x = QTableWidgetItem("{0}".format(point.x())) item_y = QTableWidgetItem("{0}".format(point.y())) w.table_rect.setItem(i, 0, item_x) w.table_rect.setItem(i, 1, item_y) item_x = w.table_rect.item(i-1, 0) item_y = w.table_rect.item(i-1, 1) w.scene.addLine(point.x(), point.y(), float(item_x.text()), float(item_y.text()), w.pen) if w.input_bars: w.pen.setColor(red) if w.point_now_bars is None: w.point_now_bars = point else: w.lines.append([[w.point_now_bars.x(), w.point_now_bars.y()], [point.x(), point.y()]]) add_row(w.table_bars) i = w.table_bars.rowCount() - 1 item_b = QTableWidgetItem("[{0}, {1}]".format(w.point_now_bars.x(), w.point_now_bars.y())) item_e = QTableWidgetItem("[{0}, {1}]".format(point.x(), point.y())) w.table_bars.setItem(i, 0, item_b) w.table_bars.setItem(i, 1, item_e) w.scene.addLine(w.point_now_bars.x(), w.point_now_bars.y(), point.x(), point.y(), w.pen) w.point_now_bars = None
def clipping(win): norm = isConvex(win.edges) if not norm: QMessageBox.warning(win, "??????!", "?????????? ?? ????????!???????? ?? ????? ???? ?????????!") for b in win.lines: win.pen.setColor(blue) cyrus_beck(b, win.edges, norm, win.scene, win.pen) win.pen.setColor(red)
def clipping(win): buf = win.scene.itemAt(now, QTransform()).rect() win.clip = [buf.left(), buf.right(), buf.top(), buf.bottom()] for b in win.lines: pass win.pen.setColor(blue) cohen_sutherland(b, win.clip, win) win.pen.setColor(red)
def selectedChanged(self, state): if state: self.mainRect.setPen(QPen(Qt.red)) else: self.mainRect.setPen(QPen(Qt.black))
def selectedChanged(self, state): if state: self.mainRect.setPen(QPen(Qt.red)) else: self.mainRect.setPen(QPen(Qt.blue))
def data(self, QModelIndex, int_role=None): if not QModelIndex.isValid(): return QVariant() if int_role == Qt.BackgroundColorRole: if QModelIndex.row() * self.column_count + QModelIndex.column() in self.breakpoint_list: return QVariant(QColor(Qt.red)) elif int_role != Qt.DisplayRole: return QVariant() if self.data_array is None: return QVariant() return QVariant(self.data_array[QModelIndex.row() * self.column_count + QModelIndex.column()])
def data(self, QModelIndex, int_role=None): if not QModelIndex.isValid(): return QVariant() if int_role == Qt.BackgroundColorRole: if QModelIndex.row() * self.column_count + QModelIndex.column() in self.breakpoint_list: return QVariant(QColor(Qt.red)) elif int_role != Qt.DisplayRole: return QVariant() if self.data_array is None: return QVariant() return QVariant( SysUtils.aob_to_str(self.data_array[QModelIndex.row() * self.column_count + QModelIndex.column()]))
def __init__(self, parent=None): super(XmlSyntaxHighlighter, self).__init__(parent) self.highlightingRules = [] # Tag format. format = QTextCharFormat() format.setForeground(Qt.darkBlue) format.setFontWeight(QFont.Bold) pattern = QRegExp("(<[a-zA-Z:]+\\b|<\\?[a-zA-Z:]+\\b|\\?>|>|/>|</[a-zA-Z:]+>)") self.highlightingRules.append((pattern, format)) # Attribute format. format = QTextCharFormat() format.setForeground(Qt.darkGreen) pattern = QRegExp("[a-zA-Z:]+=") self.highlightingRules.append((pattern, format)) # Attribute content format. format = QTextCharFormat() format.setForeground(Qt.red) pattern = QRegExp("(\"[^\"]*\"|'[^']*')") self.highlightingRules.append((pattern, format)) # Comment format. self.commentFormat = QTextCharFormat() self.commentFormat.setForeground(Qt.lightGray) self.commentFormat.setFontItalic(True) self.commentStartExpression = QRegExp("<!--") self.commentEndExpression = QRegExp("-->")
def validate(self): schemaData = decode_utf8(self.schemaView.toPlainText()) instanceData = decode_utf8(self.instanceEdit.toPlainText()) messageHandler = MessageHandler() schema = QXmlSchema() schema.setMessageHandler(messageHandler) schema.load(schemaData) errorOccurred = False if not schema.isValid(): errorOccurred = True else: validator = QXmlSchemaValidator(schema) if not validator.validate(instanceData): errorOccurred = True if errorOccurred: self.validationStatus.setText(messageHandler.statusMessage()) self.moveCursor(messageHandler.line(), messageHandler.column()) background = Qt.red else: self.validationStatus.setText("validation successful") background = Qt.green styleSheet = 'QLabel {background: %s; padding: 3px}' % QColor(background).lighter(160).name() self.validationStatus.setStyleSheet(styleSheet)
def refresh(self): self.setUpdatesEnabled(False) pattern = self.patternComboBox.currentText() text = self.textComboBox.currentText() escaped = str(pattern) escaped.replace('\\', '\\\\') escaped.replace('"', '\\"') self.escapedPatternLineEdit.setText('"' + escaped + '"') rx = QRegExp(pattern) cs = Qt.CaseSensitive if self.caseSensitiveCheckBox.isChecked() else Qt.CaseInsensitive rx.setCaseSensitivity(cs) rx.setMinimal(self.minimalCheckBox.isChecked()) syntax = self.syntaxComboBox.itemData(self.syntaxComboBox.currentIndex()) rx.setPatternSyntax(syntax) palette = self.patternComboBox.palette() if rx.isValid(): palette.setColor(QPalette.Text, self.textComboBox.palette().color(QPalette.Text)) else: palette.setColor(QPalette.Text, Qt.red) self.patternComboBox.setPalette(palette) self.indexEdit.setText(str(rx.indexIn(text))) self.matchedLengthEdit.setText(str(rx.matchedLength())) for i in range(self.MaxCaptures): self.captureLabels[i].setEnabled(i <= rx.captureCount()) self.captureEdits[i].setEnabled(i <= rx.captureCount()) self.captureEdits[i].setText(rx.cap(i)) self.setUpdatesEnabled(True)
def colorForLanguage(self, language): hashValue = hash(language) red = 156 + (hashValue & 0x3F) green = 156 + ((hashValue >> 6) & 0x3F) blue = 156 + ((hashValue >> 12) & 0x3F) return QColor(red, green, blue)
def paintEvent(self, event): painter = QPainter(self) painter.fillRect(event.rect(), Qt.white) painter.setFont(self.displayFont) redrawRect = event.rect() beginRow = redrawRect.top() // self.squareSize endRow = redrawRect.bottom() // self.squareSize beginColumn = redrawRect.left() // self.squareSize endColumn = redrawRect.right() // self.squareSize painter.setPen(Qt.gray) for row in range(beginRow, endRow + 1): for column in range(beginColumn, endColumn + 1): painter.drawRect(column * self.squareSize, row * self.squareSize, self.squareSize, self.squareSize) fontMetrics = QFontMetrics(self.displayFont) painter.setPen(Qt.black) for row in range(beginRow, endRow + 1): for column in range(beginColumn, endColumn + 1): key = row * self.columns + column painter.setClipRect(column * self.squareSize, row * self.squareSize, self.squareSize, self.squareSize) if key == self.lastKey: painter.fillRect(column * self.squareSize + 1, row * self.squareSize + 1, self.squareSize, self.squareSize, Qt.red) key_ch = self._chr(key) painter.drawText(column * self.squareSize + (self.squareSize / 2) - fontMetrics.width(key_ch) / 2, row * self.squareSize + 4 + fontMetrics.ascent(), key_ch)
def createColorComboBox(self): comboBox = QComboBox() comboBox.addItem("Red", Qt.red) comboBox.addItem("Blue", Qt.blue) comboBox.addItem("Black", Qt.black) comboBox.addItem("Magenta", Qt.magenta) return comboBox
