我们从Python开源项目中，提取了以下21个代码示例，用于说明如何使用PyQt5.Qt()。
def _pyqt5(): import PyQt5.Qt # Remap PyQt5.QtCore.Signal = PyQt5.QtCore.pyqtSignal PyQt5.QtCore.Slot = PyQt5.QtCore.pyqtSlot PyQt5.QtCore.Property = PyQt5.QtCore.pyqtProperty # Add PyQt5.__wrapper_version__ = __version__ PyQt5.__binding__ = "PyQt5" PyQt5.__binding_version__ = PyQt5.QtCore.PYQT_VERSION_STR PyQt5.__qt_version__ = PyQt5.QtCore.QT_VERSION_STR PyQt5.load_ui = pyqt5_load_ui return PyQt5
def pyside_load_ui(fname): """Read Qt Designer .ui `fname` Args: fname (str): Absolute path to .ui file Usage: >> from Qt import load_ui >> class MyWindow(QtWidgets.QWidget): .. fname = 'my_ui.ui' .. self.ui = load_ui(fname) .. >> window = MyWindow() """ from PySide import QtUiTools return QtUiTools.QUiLoader().load(fname)
def __init__(self, parent=None): QtWidgets.QFrame.__init__(self, parent) # No title bar, but keep the frame # self.setWindowFlags(QtCore.Qt.CustomizeWindowHint) # Set position of the frame self.screen = QtWidgets.QDesktopWidget().screenGeometry() # Set geometry self.setGeometry(self.screen.width()/8, 50, 1600, 900) self.setMinimumSize(0, 0) # Set Widgets self.sideWindow = SideFrame(self) self.mainWindow = MainFrame(self) # Set Layout self.appLayout = QtWidgets.QHBoxLayout() self.appLayout.addWidget(self.sideWindow, 2) self.appLayout.addWidget(self.mainWindow, 8) # Add layout self.appLayout.setContentsMargins(0, 0, 0, 0) self.appLayout.setSpacing(0) self.setLayout(self.appLayout) self.setWindowTitle("Bayesian Adaptive Trial Simulator") # Close the application
def __init__(self, parent=None): QtWidgets.QWidget.__init__(self, parent) # Layout self.runmenulayout = QtWidgets.QVBoxLayout() # Widget self.runmenuLabel = QtWidgets.QLabel() self.runmenuLabel.setText("Task is running\nPlease wait...") # self.runmenuMovieLabel = QtWidgets.QLabel() # self.runmenuMovie = QtGui.QMovie(":/resources/runmenu.gif") # self.runmenuMovieLabel.setMovie(self.runmenuMovie) # self.runmenuMovieLabel.show() # Add Widget self.runmenulayout.addWidget(self.runmenuLabel) # self.runmenulayout.addWidget(self.runmenuMovieLabel) # Set layout self.runmenulayout.setAlignment(QtCore.Qt.AlignCenter) self.runmenulayout.setSpacing(0) self.runmenulayout.setContentsMargins(10, 0, 10, 0) self.setLayout(self.runmenulayout) # Stylesheet self.setStyleSheet("QLabel{background:transparent; color:#3d5159; font-family:'Segoe UI'; font-size:13pt; border:none;}")
def __init__(self, parent=None): super().__init__(parent) # These are set by Qt Designer self.text_preview = None self.graphics_preview = None
def _pyqt4(): # Attempt to set sip API v2 (must be done prior to importing PyQt4) import sip try: sip.setapi("QString", 2) sip.setapi("QVariant", 2) sip.setapi("QDate", 2) sip.setapi("QDateTime", 2) sip.setapi("QTextStream", 2) sip.setapi("QTime", 2) sip.setapi("QUrl", 2) except AttributeError: raise ImportError # PyQt4 < v4.6 except ValueError: # API version already set to v1 raise ImportError import PyQt4.Qt # Remap PyQt4.QtWidgets = PyQt4.QtGui PyQt4.QtCore.Signal = PyQt4.QtCore.pyqtSignal PyQt4.QtCore.Slot = PyQt4.QtCore.pyqtSlot PyQt4.QtCore.Property = PyQt4.QtCore.pyqtProperty PyQt4.QtCore.QItemSelection = PyQt4.QtGui.QItemSelection PyQt4.QtCore.QItemSelectionModel = PyQt4.QtGui.QItemSelectionModel # Add PyQt4.__wrapper_version__ = __version__ PyQt4.__binding__ = "PyQt4" PyQt4.__binding_version__ = PyQt4.QtCore.PYQT_VERSION_STR PyQt4.__qt_version__ = PyQt4.QtCore.QT_VERSION_STR PyQt4.load_ui = pyqt4_load_ui return PyQt4
def pyside2_load_ui(fname): """Read Qt Designer .ui `fname` Args: fname (str): Absolute path to .ui file """ from PySide2 import QtUiTools return QtUiTools.QUiLoader().load(fname)
def pyqt4_load_ui(fname): """Read Qt Designer .ui `fname` Args: fname (str): Absolute path to .ui file """ from PyQt4 import uic return uic.loadUi(fname)
def __init__(self, parent=None): QtWidgets.QWidget.__init__(self, parent) # Add new font self.titleFont = QtGui.QFont('Caviar Dreams', 20) self.titleFont.setLetterSpacing(QtGui.QFont.AbsoluteSpacing, 2.0) # Parent widget, application window self.parent = parent # Mouse self.clickPos = QtCore.QPoint(50, 50) # Layout self.titleLayout = QtWidgets.QHBoxLayout() # Icon self.iconLabel = QtWidgets.QLabel() self.iconLabel.setPixmap(QtGui.QPixmap(":/resources/bcts.png").scaled(QtCore.QSize(100, 100))) self.iconLabel.setAlignment(QtCore.Qt.AlignCenter) # Title text self.titleLabel = QtWidgets.QLabel("BATS") self.titleLabel.setFont(self.titleFont) # Stylesheet self.setStyleSheet("QLabel{color:#ffffff;}") # Add widget self.titleLayout.addWidget(self.iconLabel) self.titleLayout.addWidget(self.titleLabel) # Set layout self.titleLayout.setContentsMargins(20, 10, 20, 0) self.titleLayout.setSpacing(30) self.titleLayout.setAlignment(QtCore.Qt.AlignCenter) self.setLayout(self.titleLayout) # Side Menu
def __init__(self, parent=None): QtWidgets.QWidget.__init__(self, parent) # Customize widget self.setObjectName("Option") # Layout optionLayout = QtWidgets.QHBoxLayout() # Option font optionFont = QtGui.QFont("Caviar Dreams") optionFont.setPointSize(12) optionFont.setBold(False) optionFont.setLetterSpacing(QtGui.QFont.AbsoluteSpacing, 1.0) # Set widgets # Separator optionSep = QtWidgets.QWidget() optionSep.setStyleSheet("QWidget{background:#4da8e8;}") optionSep.setFixedWidth(2) # Doc button docButton = QtWidgets.QPushButton() docButton.setIcon(QtGui.QIcon(":/resources/doc.png")) docButton.setIconSize(QtCore.QSize(40, 40)) docButton.setText("Documentation") docButton.setFont(optionFont) docButton.setCursor(QtCore.Qt.PointingHandCursor) # Layout optionLayout.addWidget(docButton, 10) # self.optionLayout.setAlignment(QtCore.Qt.AlignCenter) optionLayout.setContentsMargins(0, 0, 0, 0) optionLayout.setSpacing(0) optionLayout.setAlignment(QtCore.Qt.AlignCenter) self.setLayout(optionLayout) # Stylesheet self.setStyleSheet("QWidget {margin: 0 0 0 0; padding: 0 0 0 0;} QPushButton{background:transparent; border:none; border-top: 2px solid #4da8e8; padding: 0 10px 0 10px; color: #ffffff; outline: none;} QPushButton:hover{background:#45c8dc;}") # Actiond docButton.clicked.connect(self.openDoc)
def setCallbackPlot(self, filedir): self.plot_file = {} # Delete previous widgets for root, dir, files in os.walk(filedir): for file in files: if file.endswith(".png"): filename = file.rsplit(".", 1)[0] root_index = root.rsplit("/", 1)[1] if root_index in self.plot_file: if file != "ui.png": self.plot_file[root_index].append(root + "/" + file) else: self.plot_file[root_index] = [root + "/ui.png"] if file != "ui.png": self.plot_file[root_index].append(root + "/" + file) row_pos = col_pos = 0 for root_index in range(0, len(list(self.plot_file.keys()))): row_pos = int(root_index/2) col_pos = root_index % 2 root_name = list(self.plot_file.keys())[root_index] currentfile = self.plot_file[root_name][0] plot_frame = SubGraphViewer(self, root_name, currentfile) self.plotViewer.addWidget(plot_frame, row_pos, col_pos, QtCore.Qt.AlignTop) # self.plotViewer.addItem(QtWidgets.QSpacerItem(20, 60, QtWidgets.QSizePolicy.Minimum, QtWidgets.QSizePolicy.Expanding), row_pos + 1, 0) # self.graph_comboBox.setCurrentIndex(-1) self.exportPlot_flag = -1
def __init__(self, parent = None): QtWidgets.QMainWindow.__init__(self, parent) self.setWindowFlags(QtCore.Qt.Widget)
def __init__(self, parent = None, root_name = "", currentfile = ""): QtWidgets.QFrame.__init__(self, parent) self.parent = parent self.setMinimumHeight(400) self.setMaximumHeight(400) self.plot_font = QtGui.QFont('Bitter', 11) self.setStyleSheet("QFrame{border: 2px solid #e9f0f5; border-radius:5px; border-left:4px solid #baddef;} QFrame:hover{border: 2px solid #faaba4; border-left:4px solid #fa7064; color: #55b1f2; }") self.plot_layout = QtWidgets.QVBoxLayout() self.plot_title_layout = QtWidgets.QHBoxLayout() self.plot_title = QtWidgets.QLabel() # Read only the name self.plot_title.setText(root_name) self.plot_title.setFont(self.plot_font) self.plot_title.setStyleSheet("QLabel {border: none;}") self.plot_title.setWordWrap(True) self.plot_title_layout.insertStretch(0, 2) self.plot_title_layout.addWidget(self.plot_title, 6) self.plot_title_layout.insertStretch(2, 2) self.plot_graph = GraphLabel() self.plot_graph.setMargin(0) self.plot_graph.setStyleSheet("QLabel{border: none;}") self.currentdir = currentfile.rsplit("/", 1)[0] self.currentpixmap = QtGui.QPixmap(currentfile).scaled(QtCore.QSize(300, 300)) self.plot_graph.setPixmap(self.currentpixmap) self.plot_graph.setAlignment(QtCore.Qt.AlignCenter) self.plot_layout.addWidget(self.plot_graph) self.plot_layout.addLayout(self.plot_title_layout) self.plot_layout.setContentsMargins(5, 5, 5, 10) self.plot_layout.setSpacing(0) self.setLayout(self.plot_layout) self.root_name = root_name # Click event self.plot_graph.clicked.connect(self.openAllGraph) # Display # self.show()
def application(cls): return PyQt5.Qt.qApp
def __init__(self, blocking=True): self.object = res = PyQt5.Qt.QProgressDialog() res.setVisible(False) res.setWindowModality(blocking) res.setAutoClose(True) path = "{:s}/{:s}".format(database.path(), database.filename()) self.update(current=0, min=0, max=0, text='Processing...', tooltip='...', title=path) # properties
def application(cls): return PyQt5.Qt.qApp #return PyQt5.Qt.QApplication.instance()
def preview_image_file(self, path): filename = path.split('/')[-1] if self.graphics_preview is None: msg = "Graphics preview widget not created yet." logger.critical(msg) return if not self.isVisible(): msg = "Preview widget invisible, not previewing image." logger.info(msg) return self.setCurrentWidget(self.graphics_preview) scene = QtWidgets.QGraphicsScene(self) self.graphics_preview.setScene(scene) # Using QImage instead of directly creating the QPixmap # prevents a segmentation fault in my container setup image = QtGui.QImage(path) if image.isNull(): fmt = "File '{}' should be an image, but isn't." msg = fmt.format(filename) logger.error(msg) return pixmap = QtGui.QPixmap.fromImage(image) if pixmap.isNull(): fmt = "Failed to generate pixmap from image '{}'." msg = fmt.format(filename) logger.critical(msg) return pixmap_item = QtWidgets.QGraphicsPixmapItem(pixmap) scene.addItem(pixmap_item) self.graphics_preview.fitInView( pixmap_item, Qt.Qt.KeepAspectRatio, ) fmt = "Previewed file '{}' as an image." msg = fmt.format(filename) logger.info(msg)
def _init(): """Try loading each binding in turn Please note: the entire Qt module is replaced with this code: sys.modules["Qt"] = binding() This means no functions or variables can be called after this has executed. """ preferred = os.getenv("QT_PREFERRED_BINDING") verbose = os.getenv("QT_VERBOSE") is not None bindings = (_pyside2, _pyqt5, _pyside, _pyqt4) if preferred: # Internal flag (used in installer) if preferred == "None": sys.modules[__name__].__wrapper_version__ = __version__ return preferred = preferred.split(os.pathsep) available = { "PySide2": _pyside2, "PyQt5": _pyqt5, "PySide": _pyside, "PyQt4": _pyqt4 } try: bindings = [available[binding] for binding in preferred] except KeyError: raise ImportError( "Available preferred Qt bindings: " "\n".join(preferred) ) for binding in bindings: _log("Trying %s" % binding.__name__[1:], verbose) try: sys.modules[__name__] = binding() return except ImportError as e: _log(" - ImportError(\"%s\")\n" % e, verbose) continue # If not binding were found, throw this error raise ImportError("No Qt binding were found.")
def __init__(self, parent=None): QtWidgets.QListWidget.__init__(self, parent) # Get parent self.parent = parent # List font self.listFont = QtGui.QFont("Caviar Dreams") self.listFont.setPointSize(14) self.listFont.setBold(False) self.listFont.setLetterSpacing(QtGui.QFont.AbsoluteSpacing, 1.0) # Customize the widgets self.setFocusPolicy(QtCore.Qt.NoFocus) self.setFont(self.listFont) self.horizontalScrollBar().setVisible(False) self.setIconSize(QtCore.QSize(50, 50)) self.setFlow(QtWidgets.QListView.TopToBottom) # Design icon self.designIcon = QtGui.QIcon() self.designIcon.addPixmap(QtGui.QPixmap(":/resources/design.png"), QtGui.QIcon.Normal) self.designIcon.addPixmap(QtGui.QPixmap(":/resources/design_selected.png"), QtGui.QIcon.Selected) """ # Table?icon self.tableIcon = QtGui.QIcon() self.tableIcon.addPixmap(QtGui.QPixmap(":/resources/table.png"), QtGui.QIcon.Normal) self.tableIcon.addPixmap(QtGui.QPixmap(":/resources/table_selected.png"), QtGui.QIcon.Selected) """ # Other icon self.otherIcon = QtGui.QIcon() self.otherIcon.addPixmap(QtGui.QPixmap(":/resources/other.png"), QtGui.QIcon.Normal) self.otherIcon.addPixmap(QtGui.QPixmap(":/resources/other_selected.png"), QtGui.QIcon.Selected) # Add design items self.designItem = QtWidgets.QListWidgetItem(self.designIcon, "Design") # self.tableItem = QtWidgets.QListWidgetItem(self.tableIcon, "Table") self.otherItem = QtWidgets.QListWidgetItem(self.otherIcon, "Analyze") # Add items to the list widget self.addItem(self.designItem) # self.addItem(self.tableItem) self.addItem(self.otherItem) # Stylesheet self.setStyleSheet("QListWidget{min-width: 100px; border:none; border-top:2px solid #4da8e8; color:#ffffff; margin: 0 0 0 0; padding: 0 0 0 0; text-align:center;} QListWidget::item{border-bottom: 2px solid #4da8e8; padding:15px 25px 15px 25px; margin: 0 0 0 0; text-align: center; background:#399ee5; color:#ffffff;} QListWidget::item:hover{border:none; background:#45c8dc; font-weight:bold;} QListWidget::item:selected{border:none; border-left: 6px solid #fa7064; background:#ffffff; color:#fa7064; font-weight:bold;} QListWidget::icon{margin: 0 0 0 0; padding: 0 20px 0 0;} QLabel{background:transparent; border: none; font-size: 15pt; color:#ffffff; font-family:'Segoe UI';}") # Action # Select the tab, change the layout self.currentRowChanged.connect(self.changeLayout) # Change color
def openAllGraph(self): self.plot_file_list = self.parent.plot_file[self.root_name] self.graphviewer = QtWidgets.QFrame() self.screen = QtWidgets.QDesktopWidget().screenGeometry() # Set geometry self.graphviewer.setGeometry(self.screen.width()/4, 100, 800, 600) self.graphviewer.setWindowFlags(QtCore.Qt.Popup) self.graphviewer.setObjectName("graphView") self.graphviewer.setStyleSheet("QFrame#graphView{background:#ffffff;border:0.5px solid #fa7064;} QPushButton:hover{background:#6e66cc;border:1px solid #373366;} QToolButton:hover{background:#fa7064;}") # self.graphviewer.setWindowModality(QtCore.Qt.WindowModal) # Layout graph_layout = QtWidgets.QVBoxLayout() # Title graph_title = SubTitleBar(self.graphviewer) graph_title.title_Label.setText(self.root_name) # Separator line hline = QtWidgets.QWidget() hline.setStyleSheet("QWidget{min-height:2px; max-height:2px; background:#399ee5;}") # ComboBox graph_control = QtWidgets.QWidget() graph_control_layout = QtWidgets.QHBoxLayout() self.graph_control_comboBox = QtWidgets.QComboBox() self.graph_control_comboBox.setStyleSheet("QComboBox{font-family:'Segoe UI';font-size: 10pt;border: 1px solid #c5d2d9; border-radius:5px;padding: 5px 10px 5px 10px; color: #66767c;min-width: 250px;} QComboBox:hover{border: 2px solid #2a4d69;border-radius: 5px;height: 30ps;} QComboBox::drop-down {subcontrol-origin: padding; subcontrol-position: top right;width: 40px;border-left-width: 2px;border-left-color: #c5d2d9;border-left-style: solid; border-top-right-radius: 5px; border-bottom-right-radius: 5px;padding: 1px 1px 1px 1px;image: url(:/resources/dropdown_arrow.png);} QComboBox QAbstractItemView {border: 1px solid #c5d2d9; border-bottom-left-radius: 5px; border-bottom-right-radius: 5px;selection-background-color:#4b86b4;outline: solid #2a4d69;font-family: 'Segoe UI';font-size: 10pt;color: #66767c;}") graph_control_layout.insertStretch(0, 4) graph_control_layout.addWidget(self.graph_control_comboBox) graph_control_layout.insertStretch(3, 4) graph_control.setLayout(graph_control_layout) # Main Content self.graph_content = QtWidgets.QStackedWidget() # Add stack for i in range(1, len(self.plot_file_list)): currentName = self.plot_file_list[i].rsplit("/", 1)[1].rsplit(".", 1)[0] self.graph_control_comboBox.addItem(currentName) graph_label = QtWidgets.QLabel() currentGraph = QtGui.QPixmap(self.plot_file_list[i]) graph_label.setPixmap(currentGraph) graph_label.setAlignment(QtCore.Qt.AlignCenter) self.graph_content.addWidget(graph_label) # Add layout graph_layout.addWidget(graph_title, 1) graph_layout.addWidget(hline, 1) graph_layout.addWidget(graph_control, 1) graph_layout.addWidget(self.graph_content, 8) graph_layout.setContentsMargins(5, 10, 5, 10) graph_layout.setAlignment(QtCore.Qt.AlignTop) self.graphviewer.setLayout(graph_layout) self.graph_control_comboBox.currentIndexChanged.connect(self.changeGraph) self.graphviewer.show()
