Python QtGui.QTextEdit类代码示例

 def __init__(self, parent=None):
     QTextEdit.__init__(self, parent)
     BaseEditMixin.__init__(self)
     TracebackLinksMixin.__init__(self)
     InspectObjectMixin.__init__(self)
     self.found_results = []
     self.calltip_widget = CallTipWidget(self, hide_timer_on=True)
     # To not use Spyder calltips obtained through the monitor
     self.calltips = False

 def keyPressEvent(self, event):
     """Reimplement Qt Method - Basic keypress event handler"""
     event, text, key, ctrl, shift = restore_keyevent(event)
     if key == Qt.Key_Question and not self.has_selected_text():
         self._key_question(text)
     elif key == Qt.Key_ParenLeft and not self.has_selected_text():
         self._key_question(text)
     else:
         # Let the parent widget handle the key press event
         QTextEdit.keyPressEvent(self, event)

class TextEditor(QDialog):
    """Array Editor Dialog"""
    def __init__(self, text, title='', font=None, parent=None,
                 readonly=False, size=(400, 300)):
        QDialog.__init__(self, parent)
        
        # Destroying the C++ object right after closing the dialog box,
        # otherwise it may be garbage-collected in another QThread
        # (e.g. the editor's analysis thread in Spyder), thus leading to
        # a segmentation fault on UNIX or an application crash on Windows
        self.setAttribute(Qt.WA_DeleteOnClose)
        
        self.text = None
        
        self._conv = str if isinstance(text, str) else to_text_string
        
        self.layout = QVBoxLayout()
        self.setLayout(self.layout)

        # Text edit
        self.edit = QTextEdit(parent)
        self.connect(self.edit, SIGNAL('textChanged()'), self.text_changed)
        self.edit.setReadOnly(readonly)
        self.edit.setPlainText(text)
        if font is None:
            font = get_font('texteditor')
        self.edit.setFont(font)
        self.layout.addWidget(self.edit)

        # Buttons configuration
        buttons = QDialogButtonBox.Ok
        if not readonly:
            buttons = buttons | QDialogButtonBox.Cancel
        bbox = QDialogButtonBox(buttons)
        self.connect(bbox, SIGNAL("accepted()"), SLOT("accept()"))
        self.connect(bbox, SIGNAL("rejected()"), SLOT("reject()"))
        self.layout.addWidget(bbox)
        
        # Make the dialog act as a window
        self.setWindowFlags(Qt.Window)
        
        self.setWindowIcon(get_icon('edit.png'))
        self.setWindowTitle(_("Text editor") + \
                            "%s" % (" - "+str(title) if str(title) else ""))
        self.resize(size[0], size[1])
    
    def text_changed(self):
        """Text has changed"""
        self.text = self._conv(self.edit.toPlainText())
        
    def get_value(self):
        """Return modified text"""
        # It is import to avoid accessing Qt C++ object as it has probably
        # already been destroyed, due to the Qt.WA_DeleteOnClose attribute
        return self.text

    def __init__(self, text, title='', font=None, parent=None,
                 readonly=False, size=(400, 300)):
        QDialog.__init__(self, parent)
        
        # Destroying the C++ object right after closing the dialog box,
        # otherwise it may be garbage-collected in another QThread
        # (e.g. the editor's analysis thread in Spyder), thus leading to
        # a segmentation fault on UNIX or an application crash on Windows
        self.setAttribute(Qt.WA_DeleteOnClose)
        
        self.text = None
        
        # Display text as unicode if it comes as bytes, so users see 
        # its right representation
        if is_binary_string(text):
            self.is_binary = True
            text = to_text_string(text, 'utf8')
        else:
            self.is_binary = False
        
        self.layout = QVBoxLayout()
        self.setLayout(self.layout)

        # Text edit
        self.edit = QTextEdit(parent)
        self.edit.textChanged.connect(self.text_changed)
        self.edit.setReadOnly(readonly)
        self.edit.setPlainText(text)
        if font is None:
            font = get_font()
        self.edit.setFont(font)
        self.layout.addWidget(self.edit)

        # Buttons configuration
        buttons = QDialogButtonBox.Ok
        if not readonly:
            buttons = buttons | QDialogButtonBox.Cancel
        bbox = QDialogButtonBox(buttons)
        bbox.accepted.connect(self.accept)
        bbox.rejected.connect(self.reject)
        self.layout.addWidget(bbox)
        
        # Make the dialog act as a window
        self.setWindowFlags(Qt.Window)
        
        self.setWindowIcon(ima.icon('edit'))
        self.setWindowTitle(_("Text editor") + \
                            "%s" % (" - "+str(title) if str(title) else ""))
        self.resize(size[0], size[1])

 def __init__(self, parent=None):
     QTextEdit.__init__(self, parent)
     BaseEditMixin.__init__(self)
     self.found_results = []

    def __init__(self, parent, text):
        QWidget.__init__(self, parent)

        self.text_editor = QTextEdit(self)
        self.text_editor.setText(text)
        self.text_editor.setReadOnly(True)

        # Type frame
        type_layout = QHBoxLayout()
        type_label = QLabel(_("Import as"))
        type_layout.addWidget(type_label)
        data_btn = QRadioButton(_("data"))
        data_btn.setChecked(True)
        self._as_data = True
        type_layout.addWidget(data_btn)
        code_btn = QRadioButton(_("code"))
        self._as_code = False
        type_layout.addWidget(code_btn)
        txt_btn = QRadioButton(_("text"))
        type_layout.addWidget(txt_btn)

        h_spacer = QSpacerItem(40, 20, QSizePolicy.Expanding, QSizePolicy.Minimum)
        type_layout.addItem(h_spacer)
        type_frame = QFrame()
        type_frame.setLayout(type_layout)

        # Opts frame
        grid_layout = QGridLayout()
        grid_layout.setSpacing(0)

        col_label = QLabel(_("Column separator:"))
        grid_layout.addWidget(col_label, 0, 0)
        col_w = QWidget()
        col_btn_layout = QHBoxLayout()
        self.tab_btn = QRadioButton(_("Tab"))
        self.tab_btn.setChecked(False)
        col_btn_layout.addWidget(self.tab_btn)
        other_btn_col = QRadioButton(_("other"))
        other_btn_col.setChecked(True)
        col_btn_layout.addWidget(other_btn_col)
        col_w.setLayout(col_btn_layout)
        grid_layout.addWidget(col_w, 0, 1)
        self.line_edt = QLineEdit(",")
        self.line_edt.setMaximumWidth(30)
        self.line_edt.setEnabled(True)
        other_btn_col.toggled.connect(self.line_edt.setEnabled)
        grid_layout.addWidget(self.line_edt, 0, 2)

        row_label = QLabel(_("Row separator:"))
        grid_layout.addWidget(row_label, 1, 0)
        row_w = QWidget()
        row_btn_layout = QHBoxLayout()
        self.eol_btn = QRadioButton(_("EOL"))
        self.eol_btn.setChecked(True)
        row_btn_layout.addWidget(self.eol_btn)
        other_btn_row = QRadioButton(_("other"))
        row_btn_layout.addWidget(other_btn_row)
        row_w.setLayout(row_btn_layout)
        grid_layout.addWidget(row_w, 1, 1)
        self.line_edt_row = QLineEdit(";")
        self.line_edt_row.setMaximumWidth(30)
        self.line_edt_row.setEnabled(False)
        other_btn_row.toggled.connect(self.line_edt_row.setEnabled)
        grid_layout.addWidget(self.line_edt_row, 1, 2)

        grid_layout.setRowMinimumHeight(2, 15)

        other_group = QGroupBox(_("Additional options"))
        other_layout = QGridLayout()
        other_group.setLayout(other_layout)

        skiprows_label = QLabel(_("Skip rows:"))
        other_layout.addWidget(skiprows_label, 0, 0)
        self.skiprows_edt = QLineEdit("0")
        self.skiprows_edt.setMaximumWidth(30)
        intvalid = QIntValidator(0, len(to_text_string(text).splitlines()), self.skiprows_edt)
        self.skiprows_edt.setValidator(intvalid)
        other_layout.addWidget(self.skiprows_edt, 0, 1)

        other_layout.setColumnMinimumWidth(2, 5)

        comments_label = QLabel(_("Comments:"))
        other_layout.addWidget(comments_label, 0, 3)
        self.comments_edt = QLineEdit("#")
        self.comments_edt.setMaximumWidth(30)
        other_layout.addWidget(self.comments_edt, 0, 4)

        self.trnsp_box = QCheckBox(_("Transpose"))
        # self.trnsp_box.setEnabled(False)
        other_layout.addWidget(self.trnsp_box, 1, 0, 2, 0)

        grid_layout.addWidget(other_group, 3, 0, 2, 0)

        opts_frame = QFrame()
        opts_frame.setLayout(grid_layout)

        data_btn.toggled.connect(opts_frame.setEnabled)
        data_btn.toggled.connect(self.set_as_data)
        code_btn.toggled.connect(self.set_as_code)
        #        self.connect(txt_btn, SIGNAL("toggled(bool)"),
#.........这里部分代码省略.........

class ContentsWidget(QWidget):
    """Import wizard contents widget"""

    asDataChanged = Signal(bool)

    def __init__(self, parent, text):
        QWidget.__init__(self, parent)

        self.text_editor = QTextEdit(self)
        self.text_editor.setText(text)
        self.text_editor.setReadOnly(True)

        # Type frame
        type_layout = QHBoxLayout()
        type_label = QLabel(_("Import as"))
        type_layout.addWidget(type_label)
        data_btn = QRadioButton(_("data"))
        data_btn.setChecked(True)
        self._as_data = True
        type_layout.addWidget(data_btn)
        code_btn = QRadioButton(_("code"))
        self._as_code = False
        type_layout.addWidget(code_btn)
        txt_btn = QRadioButton(_("text"))
        type_layout.addWidget(txt_btn)

        h_spacer = QSpacerItem(40, 20, QSizePolicy.Expanding, QSizePolicy.Minimum)
        type_layout.addItem(h_spacer)
        type_frame = QFrame()
        type_frame.setLayout(type_layout)

        # Opts frame
        grid_layout = QGridLayout()
        grid_layout.setSpacing(0)

        col_label = QLabel(_("Column separator:"))
        grid_layout.addWidget(col_label, 0, 0)
        col_w = QWidget()
        col_btn_layout = QHBoxLayout()
        self.tab_btn = QRadioButton(_("Tab"))
        self.tab_btn.setChecked(False)
        col_btn_layout.addWidget(self.tab_btn)
        other_btn_col = QRadioButton(_("other"))
        other_btn_col.setChecked(True)
        col_btn_layout.addWidget(other_btn_col)
        col_w.setLayout(col_btn_layout)
        grid_layout.addWidget(col_w, 0, 1)
        self.line_edt = QLineEdit(",")
        self.line_edt.setMaximumWidth(30)
        self.line_edt.setEnabled(True)
        other_btn_col.toggled.connect(self.line_edt.setEnabled)
        grid_layout.addWidget(self.line_edt, 0, 2)

        row_label = QLabel(_("Row separator:"))
        grid_layout.addWidget(row_label, 1, 0)
        row_w = QWidget()
        row_btn_layout = QHBoxLayout()
        self.eol_btn = QRadioButton(_("EOL"))
        self.eol_btn.setChecked(True)
        row_btn_layout.addWidget(self.eol_btn)
        other_btn_row = QRadioButton(_("other"))
        row_btn_layout.addWidget(other_btn_row)
        row_w.setLayout(row_btn_layout)
        grid_layout.addWidget(row_w, 1, 1)
        self.line_edt_row = QLineEdit(";")
        self.line_edt_row.setMaximumWidth(30)
        self.line_edt_row.setEnabled(False)
        other_btn_row.toggled.connect(self.line_edt_row.setEnabled)
        grid_layout.addWidget(self.line_edt_row, 1, 2)

        grid_layout.setRowMinimumHeight(2, 15)

        other_group = QGroupBox(_("Additional options"))
        other_layout = QGridLayout()
        other_group.setLayout(other_layout)

        skiprows_label = QLabel(_("Skip rows:"))
        other_layout.addWidget(skiprows_label, 0, 0)
        self.skiprows_edt = QLineEdit("0")
        self.skiprows_edt.setMaximumWidth(30)
        intvalid = QIntValidator(0, len(to_text_string(text).splitlines()), self.skiprows_edt)
        self.skiprows_edt.setValidator(intvalid)
        other_layout.addWidget(self.skiprows_edt, 0, 1)

        other_layout.setColumnMinimumWidth(2, 5)

        comments_label = QLabel(_("Comments:"))
        other_layout.addWidget(comments_label, 0, 3)
        self.comments_edt = QLineEdit("#")
        self.comments_edt.setMaximumWidth(30)
        other_layout.addWidget(self.comments_edt, 0, 4)

        self.trnsp_box = QCheckBox(_("Transpose"))
        # self.trnsp_box.setEnabled(False)
        other_layout.addWidget(self.trnsp_box, 1, 0, 2, 0)

        grid_layout.addWidget(other_group, 3, 0, 2, 0)

        opts_frame = QFrame()
        opts_frame.setLayout(grid_layout)
#.........这里部分代码省略.........

	def setup(self):
		for label, value in self.data:
			if DEBUG_FORMLAYOUT:
				print("value:", value)
			if label is None and value is None:
				# Separator: (None, None)
				self.formlayout.addRow(QLabel(" "), QLabel(" "))
				self.widgets.append(None)
				continue
			elif label is None:
				# Comment
				self.formlayout.addRow(QLabel(value))
				self.widgets.append(None)
				continue

			elif is_text_string(value):
				if '\n' in value:
					for linesep in (os.linesep, '\n'):
						if linesep in value:
							value = value.replace(linesep, u("\u2029"))
					field = QTextEdit(value, self)
				else:
					field = QLineEdit(value, self)

			elif isinstance(value, (list, tuple)):
				value = list(value)  # in case this is a tuple
				selindex = value.pop(0)
				field = QComboBox(self)
				if isinstance(value[0], (list, tuple)):
					keys = [key for key, _val in value]
					value = [val for _key, val in value]
				else:
					keys = value
				field.addItems(value)
				if selindex in value:
					selindex = value.index(selindex)
				elif selindex in keys:
					selindex = keys.index(selindex)
				elif not isinstance(selindex, int):
					print("Warning: '%s' index is invalid (label: " \
					      "%s, value: %s)" % (selindex, label, value),
					      file=STDERR)
					selindex = 0
				field.setCurrentIndex(selindex)

			elif isinstance(value, bool):
				field = QCheckBox(self)
				field.setCheckState(Qt.Checked if value else Qt.Unchecked)

			elif isinstance(value, QLabel):
				field = QCheckBox(self)
				field.setCheckState(Qt.Checked if value.text() else Qt.Unchecked)


			elif isinstance(value, float):
				field = QLineEdit(repr(value), self)
				field.setValidator(QDoubleValidator(field))
				dialog = self.get_dialog()
				dialog.register_float_field(field)
				self.connect(field, SIGNAL('textChanged(QString)'),
				             lambda text: dialog.update_buttons())

			elif isinstance(value, int):
				field = QSpinBox(self)
				field.setRange(-1e9, 1e9)
				field.setValue(value)
			elif isinstance(value, datetime.datetime):
				field = QDateTimeEdit(self)
				field.setDateTime(value)
			elif isinstance(value, datetime.date):
				field = QDateEdit(self)
				field.setDate(value)

			else:
				field = QLineEdit(repr(value), self)

			self.formlayout.addRow(label, field)
			self.widgets.append(field)