本文整理汇总了Python中qtpy.QtWidgets.QComboBox.clear方法的典型用法代码示例。如果您正苦于以下问题:Python QComboBox.clear方法的具体用法?Python QComboBox.clear怎么用?Python QComboBox.clear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qtpy.QtWidgets.QComboBox
的用法示例。
在下文中一共展示了QComboBox.clear方法的3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: ClassFunctionDropdown
# 需要导入模块: from qtpy.QtWidgets import QComboBox [as 别名]
# 或者: from qtpy.QtWidgets.QComboBox import clear [as 别名]
class ClassFunctionDropdown(Panel):
"""
Class and Function/Method Dropdowns Widget.
Parameters
----------
editor : :class:`spyder.plugins.editor.widgets.codeeditor.CodeEditor`
The editor to act on.
"""
def __init__(self, editor):
Panel.__init__(self, editor)
self._editor = editor
self._editor.sig_cursor_position_changed.connect(
self._handle_cursor_position_change_event
)
# The layout
hbox = QHBoxLayout()
self.class_cb = QComboBox()
self.method_cb = QComboBox()
hbox.addWidget(self.class_cb)
hbox.addWidget(self.method_cb)
hbox.setSpacing(0)
hbox.setContentsMargins(0, 0, 0, 0)
self.setLayout(hbox)
# Internal data
self.folds = None
self.parents = None
self.classes = None
self.funcs = None
# Initial data for the dropdowns.
self.class_cb.addItem("<None>", 0)
self.method_cb.addItem("<None>", 0)
# Attach some events.
self.class_cb.activated.connect(self.combobox_activated)
self.method_cb.activated.connect(self.combobox_activated)
def sizeHint(self):
"""Override Qt method."""
return QSize(0, self._getVerticalSize())
def _getVerticalSize(self):
"""Get the default height of a QComboBox."""
return self.class_cb.height()
def _update_data(self):
"""Update the internal data values."""
_old = self.folds
self.folds = _get_fold_levels(self.editor)
# only update our dropdown lists if the folds have changed.
if self.folds != _old:
self.classes, self.funcs = _split_classes_and_methods(self.folds)
self.populate_dropdowns()
def populate_dropdowns(self):
self.class_cb.clear()
self.method_cb.clear()
populate(self.class_cb, self.classes)
populate(self.method_cb, self.funcs)
def combobox_activated(self):
"""Move the cursor to the selected definition."""
sender = self.sender()
data = sender.itemData(sender.currentIndex())
if isinstance(data, FoldScopeHelper):
self.editor.go_to_line(data.line + 1)
def update_selected(self, linenum):
"""Updates the dropdowns to reflect the current class and function."""
self.parents = _get_parents(self.funcs, linenum)
update_selected_cb(self.parents, self.method_cb)
self.parents = _get_parents(self.classes, linenum)
update_selected_cb(self.parents, self.class_cb)
@Slot(int, int)
def _handle_cursor_position_change_event(self, linenum, column):
self._update_data()
self.update_selected(linenum)
示例2: FadingTipBox
# 需要导入模块: from qtpy.QtWidgets import QComboBox [as 别名]
# 或者: from qtpy.QtWidgets.QComboBox import clear [as 别名]
#.........这里部分代码省略.........
self.set_funcs_before_fade_in([self._disable_widgets])
self.set_funcs_after_fade_in([self._enable_widgets, self.setFocus])
self.set_funcs_before_fade_out([self._disable_widgets])
self.setContextMenuPolicy(Qt.CustomContextMenu)
# signals and slots
# These are defined every time by the AnimatedTour Class
def _disable_widgets(self):
""" """
for widget in self.widgets:
widget.setDisabled(True)
def _enable_widgets(self):
""" """
self.setWindowFlags(Qt.Dialog | Qt.FramelessWindowHint |
Qt.WindowStaysOnTopHint)
for widget in self.widgets:
widget.setDisabled(False)
if self.button_disable == 'previous':
self.button_previous.setDisabled(True)
self.button_home.setDisabled(True)
elif self.button_disable == 'next':
self.button_next.setDisabled(True)
self.button_end.setDisabled(True)
def set_data(self, title, content, current, image, run, frames=None,
step=None):
""" """
self.label_title.setText(title)
self.combo_title.clear()
self.combo_title.addItems(frames)
self.combo_title.setCurrentIndex(step)
# min_content_len = max([len(f) for f in frames])
# self.combo_title.setMinimumContentsLength(min_content_len)
# Fix and try to see how it looks with a combo box
self.label_current.setText(current)
self.button_current.setText(current)
self.label_content.setText(content)
self.image = image
if image is None:
self.label_image.setFixedHeight(1)
self.label_image.setFixedWidth(1)
else:
extension = image.split('.')[-1]
self.image = QPixmap(get_image_path(image), extension)
self.label_image.setPixmap(self.image)
self.label_image.setFixedSize(self.image.size())
if run is None:
self.button_run.setVisible(False)
else:
self.button_run.setDisabled(False)
self.button_run.setVisible(True)
# Refresh layout
self.layout().activate()
def set_pos(self, x, y):
""" """
self.x = x
示例3: SelectSmoothing
# 需要导入模块: from qtpy.QtWidgets import QComboBox [as 别名]
# 或者: from qtpy.QtWidgets.QComboBox import clear [as 别名]
#.........这里部分代码省略.........
def _load_options(self):
"""Extract names + types of kernels from SmoothCube.kernel_registry"""
kernel_registry = self.smooth_cube.get_kernel_registry()
self.options = {"spatial": [], "spectral": []}
for k in kernel_registry:
axis = kernel_registry[k]["axis"]
for a in axis:
if "spatial" == a:
self.options["spatial"].append(kernel_registry[k]["name"])
elif "spectral" == a:
self.options["spectral"].append(kernel_registry[k]["name"])
self.options["spectral"].sort()
self.options["spatial"].sort()
self.current_kernel_name = self.options[self.current_axis][0]
self.current_kernel_type = self.smooth_cube.name_to_kernel_type(self.options[self.current_axis][0])
def selection_changed(self, i):
"""
Update kernel type, units, etc... when
kernel name changes in combo box.
"""
keys = self.options[self.current_axis]
name = keys[i]
self.current_kernel_name = name
self.current_kernel_type = self.smooth_cube.name_to_kernel_type(name)
self.unit_label.setText(self.smooth_cube.get_kernel_unit(self.current_kernel_type))
self.size_prompt.setText(self.smooth_cube.get_kernel_size_prompt(self.current_kernel_type))
def spatial_radio_checked(self):
self.current_axis = "spatial"
self.update_preview_button()
self.combo.clear()
self.combo.addItems(self.options[self.current_axis])
def spectral_radio_checked(self):
self.current_axis = "spectral"
self.update_preview_button()
self.combo.clear()
self.combo.addItems(self.options[self.current_axis])
def input_validation(self):
"""
Check if input will break Smoothing
:return: bool: True if no errors
"""
red = "background-color: rgba(255, 0, 0, 128);"
success = True
# Check 1: k_size
if self.k_size == "":
self.k_size.setStyleSheet(red)
success = False
else:
try:
if self.current_kernel_type == "median":
k_size = int(self.k_size.text())
else:
k_size = float(self.k_size.text())
if k_size <= 0:
self.k_size.setStyleSheet(red)
success = False
else:
self.k_size.setStyleSheet("")
except ValueError: