本文整理汇总了Python中PyQt4.QtGui.QStackedLayout.setContentsMargins方法的典型用法代码示例。如果您正苦于以下问题：Python QStackedLayout.setContentsMargins方法的具体用法？Python QStackedLayout.setContentsMargins怎么用？Python QStackedLayout.setContentsMargins使用的例子？那么恭喜您, 这里精选的方法代码示例或许可以为您提供帮助。您也可以进一步了解该方法所在类PyQt4.QtGui.QStackedLayout的用法示例。
在下文中一共展示了QStackedLayout.setContentsMargins方法的4个代码示例，这些例子默认根据受欢迎程度排序。您可以为喜欢或者感觉有用的代码点赞，您的评价将有助于系统推荐出更棒的Python代码示例。
示例1: CodeCompletionWidget
# 需要导入模块: from PyQt4.QtGui import QStackedLayout [as 别名]
# 或者: from PyQt4.QtGui.QStackedLayout import setContentsMargins [as 别名]
class CodeCompletionWidget(QFrame):
def __init__(self, editor):
super(CodeCompletionWidget, self).__init__(
None, Qt.FramelessWindowHint | Qt.ToolTip)
self._editor = editor
self._revision = 0
self._block = 0
self.stack_layout = QStackedLayout(self)
self.stack_layout.setContentsMargins(0, 0, 0, 0)
self.stack_layout.setSpacing(0)
self.completion_list = QListWidget()
self.completion_list.setMinimumHeight(200)
self.completion_list.setAlternatingRowColors(True)
self._list_index = self.stack_layout.addWidget(self.completion_list)
self._icons = {'a': resources.IMAGES['attribute'],
'f': resources.IMAGES['function'],
'c': resources.IMAGES['class'],
'm': resources.IMAGES['module']}
self.cc = code_completion.CodeCompletion()
self._completion_results = {}
self._prefix = u''
self.setVisible(False)
self.source = ''
self._key_operations = {
Qt.Key_Up: self._select_previous_row,
Qt.Key_Down: self._select_next_row,
Qt.Key_PageUp: (lambda: self._select_previous_row(6)),
Qt.Key_PageDown: (lambda: self._select_next_row(6)),
Qt.Key_Right: lambda: None,
Qt.Key_Left: lambda: None,
Qt.Key_Enter: self.pre_key_insert_completion,
Qt.Key_Return: self.pre_key_insert_completion,
Qt.Key_Tab: self.pre_key_insert_completion,
Qt.Key_Space: self.hide_completer,
Qt.Key_Escape: self.hide_completer,
Qt.Key_Backtab: self.hide_completer,
Qt.NoModifier: self.hide_completer,
Qt.ShiftModifier: self.hide_completer,
}
self.desktop = QApplication.instance().desktop()
self.connect(self.completion_list,
SIGNAL("itemClicked(QListWidgetItem*)"),
self.pre_key_insert_completion)
self.connect(self._editor.document(),
SIGNAL("cursorPositionChanged(QTextCursor)"),
self.update_metadata)
def _select_next_row(self, move=1):
new_row = self.completion_list.currentRow() + move
if new_row < self.completion_list.count():
self.completion_list.setCurrentRow(new_row)
else:
self.completion_list.setCurrentRow(0)
return True
def _select_previous_row(self, move=1):
new_row = self.completion_list.currentRow() - move
if new_row >= 0:
self.completion_list.setCurrentRow(new_row)
else:
self.completion_list.setCurrentRow(
self.completion_list.count() - move)
return True
def update_metadata(self, cursor):
if settings.CODE_COMPLETION:
if self._editor.document().revision() != self._revision and \
cursor.block().blockNumber() != self._block:
source = self._editor.get_text()
source = source.encode(self._editor.encoding)
self.cc.analyze_file(self._editor.ID, source)
self._revision = self._editor.document().revision()
self._block = cursor.block().blockNumber()
def insert_completion(self, insert, type_=ord('a')):
if insert != self._prefix:
closing = ''
if type_ in (ord('f'), ord('c')):
closing = '()'
extra = len(self._prefix) - len(insert)
insertion = '%s%s' % (insert[extra:], closing)
self._editor.textCursor().insertText(insertion)
self.hide_completer()
def _get_geometry(self):
cr = self._editor.cursorRect()
desktop_geometry = self.desktop.availableGeometry(self._editor)
point = self._editor.mapToGlobal(cr.topLeft())
cr.moveTopLeft(point)
#Check new position according desktop geometry
width = (self.completion_list.sizeHintForColumn(0) +
self.completion_list.verticalScrollBar().sizeHint().width() + 10)
height = 200
orientation = (point.y() + height) < desktop_geometry.height()
if orientation:
#.........这里部分代码省略.........
示例2: CodeCompletionWidget
# 需要导入模块: from PyQt4.QtGui import QStackedLayout [as 别名]
# 或者: from PyQt4.QtGui.QStackedLayout import setContentsMargins [as 别名]
class CodeCompletionWidget(QFrame):
def __init__(self, editor):
super(CodeCompletionWidget, self).__init__(None, Qt.FramelessWindowHint | Qt.ToolTip)
self._editor = editor
self.stack_layout = QStackedLayout(self)
self.stack_layout.setContentsMargins(0, 0, 0, 0)
self.stack_layout.setSpacing(0)
self.completion_list = QListWidget()
self.completion_list.setMinimumHeight(200)
self.completion_list.setAlternatingRowColors(True)
self._list_index = self.stack_layout.addWidget(self.completion_list)
self._icons = {
"a": resources.IMAGES["attribute"],
"f": resources.IMAGES["function"],
"c": resources.IMAGES["class"],
}
self.cc = code_completion.CodeCompletion()
self._completion_results = []
self._prefix = u""
self.setVisible(False)
self.source = ""
self._key_operations = {
Qt.Key_Up: self._select_previous_row,
Qt.Key_Down: self._select_next_row,
Qt.Key_PageUp: (lambda: self._select_previous_row(6)),
Qt.Key_PageDown: (lambda: self._select_next_row(6)),
Qt.Key_Right: lambda: None,
Qt.Key_Left: lambda: None,
Qt.Key_Enter: self.pre_key_insert_completion,
Qt.Key_Return: self.pre_key_insert_completion,
Qt.Key_Tab: self.pre_key_insert_completion,
Qt.Key_Space: self.hide_completer,
Qt.Key_Escape: self.hide_completer,
Qt.Key_Backtab: self.hide_completer,
Qt.NoModifier: self.hide_completer,
Qt.ShiftModifier: self.hide_completer,
}
desktop = QApplication.instance().desktop()
self._desktop_geometry = desktop.availableGeometry()
self.connect(self._editor.document(), SIGNAL("blockCountChanged(int)"), self.update_metadata)
def _select_next_row(self, move=1):
new_row = self.completion_list.currentRow() + move
if new_row < self.completion_list.count():
self.completion_list.setCurrentRow(new_row)
else:
self.completion_list.setCurrentRow(0)
return True
def _select_previous_row(self, move=1):
new_row = self.completion_list.currentRow() - move
if new_row >= 0:
self.completion_list.setCurrentRow(new_row)
else:
self.completion_list.setCurrentRow(self.completion_list.count() - move)
return True
def update_metadata(self):
source = self._editor.get_text()
source = source.encode(self._editor.encoding)
self.cc.analyze_file("", source)
def insert_completion(self, insert):
if insert != self._prefix:
extra = len(self._prefix) - len(insert)
self._editor.textCursor().insertText(insert[extra:])
self.hide_completer()
def _get_geometry(self):
cr = self._editor.cursorRect()
point = self._editor.mapToGlobal(cr.topLeft())
cr.moveTopLeft(point)
# Check new position according desktop geometry
width = (
self.completion_list.sizeHintForColumn(0) + self.completion_list.verticalScrollBar().sizeHint().width() + 10
)
height = 200
orientation = (point.y() + height) < self._desktop_geometry.height()
if orientation:
cr.moveTop(cr.bottom())
cr.setWidth(width)
cr.setHeight(height)
if not orientation:
cr.moveBottom(cr.top())
xpos = self._desktop_geometry.width() - (point.x() + width)
if xpos < 0:
cr.moveLeft(cr.left() + xpos)
return cr
def complete(self, results):
self.add_list_items(results)
self.completion_list.setCurrentRow(0)
cr = self._get_geometry()
self.setGeometry(cr)
self.completion_list.updateGeometries()
self.show()
#.........这里部分代码省略.........
示例3: CSVImportDialog
# 需要导入模块: from PyQt4.QtGui import QStackedLayout [as 别名]
# 或者: from PyQt4.QtGui.QStackedLayout import setContentsMargins [as 别名]
class CSVImportDialog(QDialog):
def __init__(self, parent=None, **kwargs):
super(CSVImportDialog, self).__init__(parent, **kwargs)
self.setLayout(QVBoxLayout())
self._options = None
self._path = None
self.__update_pending = False
self._optionswidget = CSVOptionsWidget()
self._optionswidget.format_changed.connect(self._invalidate_preview)
self._stack = QStackedLayout()
self._stack.setContentsMargins(0, 0, 0, 0)
prev_box = QGroupBox("Preview")
prev_box.setLayout(self._stack)
self._preview = QTableView(tabKeyNavigation=False)
self._preview_error = QLabel()
self._stack.addWidget(self._preview)
self._stack.addWidget(self._preview_error)
buttons = QDialogButtonBox(
orientation=Qt.Horizontal,
standardButtons=(QDialogButtonBox.Ok | QDialogButtonBox.Cancel |
QDialogButtonBox.Reset)
)
buttons.accepted.connect(self.accept)
buttons.rejected.connect(self.reject)
def on_clicked(button):
if buttons.buttonRole(button) == QDialogButtonBox.ResetRole:
self.reset()
buttons.clicked.connect(on_clicked)
self.layout().addWidget(self._optionswidget)
self.layout().addWidget(prev_box)
self.layout().addWidget(buttons)
def set_options(self, options):
self._options = options
self._optionswidget.set_dialect(options.dialect)
self._optionswidget.set_header_format(options.header_format)
self._optionswidget.set_missing_values(options.missing_values or "")
self._invalidate_preview()
def options(self):
missing_values = self._optionswidget.missing_values()
return CSV(self._optionswidget.dialect(),
header_format=self._optionswidget.header_format(),
missing_values=missing_values)
def set_path(self, path):
"""Set the preview path."""
if self._path != path:
self._path = path
self._invalidate_preview()
def path(self):
"""Return the preview path"""
return self._path
def reset(self):
"""Reset the options to their default values."""
self.set_options(self._options)
def _invalidate_preview(self):
if not self.__update_pending:
self.__update_pending = True
QApplication.postEvent(self, QEvent(QEvent.User))
def customEvent(self, event):
if self.__update_pending:
self.__update_pending = False
self._update_preview()
def _update_preview(self):
if not self._path:
return
head = itertools.islice(open(self._path, "rU"), 20)
head = StringIO("".join(head))
try:
data = load_csv(head, **self.options()._asdict())
except csv.Error as err:
self._preview_error.setText(
"Cannot load data preview:\n {!s}".format(err)
)
self._stack.setCurrentWidget(self._preview_error)
except (Orange.data.io.CSVFormatError,
Orange.data.io.VariableDefinitionError) as err:
self._preview_error.setText(
"Data formating error:\n {!s}".format(err)
)
self._stack.setCurrentWidget(self._preview_error)
except Exception as err:
self._preview_error.setText(
"Cannot load data preview:\n {!s}".format(err)
)
self._stack.setCurrentWidget(self._preview_error)
#.........这里部分代码省略.........
示例4: Ui_option
# 需要导入模块: from PyQt4.QtGui import QStackedLayout [as 别名]
# 或者: from PyQt4.QtGui.QStackedLayout import setContentsMargins [as 别名]
class Ui_option(object):
def createLine(self):
line = QFrame()
line.setFrameShape(QFrame.HLine)
line.setFrameShadow(QFrame.Sunken)
return line
def createSquareLabel(self):
label = QLabel()
label.setEnabled(False)
label.setFixedSize(24, 24)
label.setFrameShape(QFrame.StyledPanel)
return label
def addVerticalStretch(self, page_layout):
vert_spacer = QSpacerItem(20, 20, QSizePolicy.Expanding, QSizePolicy.Expanding)
page_layout.addItem(vert_spacer, page_layout.rowCount(), 0, 1, page_layout.columnCount())
def createConnSection(self, page_layout, label, combobox, num_column):
conn_layout = QHBoxLayout()
conn_layout.setSpacing(5)
conn_layout.setContentsMargins(0, 0, 0, 0)
conn_layout.addWidget(label)
conn_layout.addItem(QSpacerItem(40, 20, QSizePolicy.Fixed, QSizePolicy.Minimum))
conn_layout.addWidget(combobox, 1)
page_layout.addLayout(conn_layout, page_layout.rowCount(), 0, 1, num_column)
page_layout.addWidget(self.createLine(), page_layout.rowCount(), 0, 1, num_column)
vert_spacer = QSpacerItem(20, 20, QSizePolicy.Fixed, QSizePolicy.Fixed)
page_layout.addItem(vert_spacer, page_layout.rowCount(), 0, 1, num_column)
def createConnPage(self):
self.conn_page = QWidget()
self.conn_page.setObjectName("conn_page")
self.conn_page.setToolTip(QApplication.translate("option",
"<b>Add/Modify/Delete a connection for a MUD server.</b>"
"<p>Set the IP or hostname and the port of the MUD server.<br/>"
"You have to define a connection to use all the functionality "
"related (accounts, aliases, macros and triggers).</p>"))
page_layout = QGridLayout(self.conn_page)
page_layout.setSpacing(7)
page_layout.setContentsMargins(10, 20, 0, 10)
page_layout.setColumnMinimumWidth(0, 100)
self.label_conn = QLabel()
self.label_conn.setText(QApplication.translate("option", "Connection"))
page_layout.addWidget(self.label_conn, 0, 0)
self.list_conn = QComboBox()
self.list_conn.addItem(QApplication.translate("option", "Create New"))
page_layout.addWidget(self.list_conn, 0, 1, 1, 2)
self.label_name_conn = QLabel()
self.label_name_conn.setText(QApplication.translate("option", "Name"))
page_layout.addWidget(self.label_name_conn, 1, 0)
self.name_conn = QLineEdit()
page_layout.addWidget(self.name_conn, 1, 1, 1, 2)
self.label_host_conn = QLabel()
self.label_host_conn.setText(QApplication.translate("option", "Host"))
page_layout.addWidget(self.label_host_conn, 2, 0)
self.host_conn = QLineEdit()
page_layout.addWidget(self.host_conn, 2, 1, 1, 2)
self.label_port_conn = QLabel()
self.label_port_conn.setText(QApplication.translate("option", "Port"))
page_layout.addWidget(self.label_port_conn, 3, 0)
page_layout.addItem(QSpacerItem(80, 20), 3, 1) # horizontal spacer
self.port_conn = QLineEdit()
self.port_conn.setMaxLength(8)
page_layout.addWidget(self.port_conn, 3, 2)
vert_spacer = QSpacerItem(271,20,QSizePolicy.Minimum,QSizePolicy.Fixed)
page_layout.addItem(vert_spacer, 4, 0, 1, 3)
buttons_box = QHBoxLayout()
buttons_box.setSpacing(5)
buttons_box.setContentsMargins(0, 0, 0, 0)
self.save_conn = QPushButton()
self.save_conn.setFixedHeight(28)
self.save_conn.setIcon(QIcon(":/images/button-save.png"))
self.save_conn.setText(QApplication.translate("option", "Save"))
buttons_box.addWidget(self.save_conn)
self.delete_conn = QPushButton()
self.delete_conn.setFixedHeight(28)
self.delete_conn.setIcon(QIcon(":/images/button-cancel.png"))
self.delete_conn.setText(QApplication.translate("option", "Delete"))
buttons_box.addWidget(self.delete_conn)
page_layout.addLayout(buttons_box, 5, 0, 1, 3, Qt.AlignRight)
self.addVerticalStretch(page_layout)
#.........这里部分代码省略.........