class MyWidget(QWidget):
def __init__(self):
QWidget.__init__(self)
self.hello = [
"Hallo Welt",
"ä½ å¥½ï¼Œä¸–ç•Œ",
"Hei maailma",
"Hola Mundo",
"Привет мир",
]
self.button = QPushButton("Click me!")
self.message = QLabel("Hello World")
self.message.alignment = Qt.AlignCenter
self.layout = QVBoxLayout(self)
self.layout.add_widget(self.message)
self.layout.add_widget(self.button)
# Connecting the signal
self.button.clicked.connect(self.magic)
@Slot()
def magic(self):
self.message.text = random.choice(self.hello)
def __init__(self, parent=None):
super().__init__(parent)
self.focus_policy = Qt.StrongFocus
self.view_label = QLabel()
self.view_label.style_sheet = 'QLabel { background-color : #313D4A; padding : 10px 10px 10px 10px; }' # 354A64
self.view_label.alignment = Qt.AlignCenter
self.red_color = QColor(205, 65, 65)
self.green_color = QColor(65, 205, 82)
transf_widget_size = QSize(28, 12)
self.translated_widget = ColoredWidget()
self.rotated_widget = ColoredWidget()
self.scaled_widget = ColoredWidget()
self.translated_widget.set_fixed_size(transf_widget_size)
self.rotated_widget.set_fixed_size(transf_widget_size)
self.scaled_widget.set_fixed_size(transf_widget_size)
self.translated_widget.tool_tip = 'translation was applied'
self.rotated_widget.tool_tip = 'rotation was applied'
self.scaled_widget.tool_tip = 'scaling was applied'
self.translated_widget.brush = QBrush(self.green_color)
self.rotated_widget.brush = QBrush(self.red_color)
self.scaled_widget.brush = QBrush(self.green_color)
transformation_layout = QHBoxLayout()
transformation_layout.add_stretch()
transformation_layout.add_widget(self.translated_widget)
transformation_layout.add_widget(self.rotated_widget)
transformation_layout.add_widget(self.scaled_widget)
transformation_layout.add_stretch()
self.info = QPlainTextEdit()
font = self.info.font
font.set_family('Courier New') # monospace
self.info.font = font
self.info.read_only = True
self.info.line_wrap_mode = QPlainTextEdit.NoWrap
layout = QVBoxLayout(self)
layout.add_widget(QLabel('Image information'))
layout.add_widget(self.view_label)
layout.add_layout(transformation_layout)
layout.add_widget(self.info)
layout.contents_margins = QtCore.QMargins(0, 0, 0, 0)
def _setup_view_widget(self,
view_widget,
title,
model,
update_slot,
width=250):
view_widget.set_model(model)
view_widget.selection_behavior = QtWidgets.QAbstractItemView.SelectRows
view_widget.selection_model().selectionChanged.connect(update_slot)
view_widget.edit_triggers = QtWidgets.QAbstractItemView.NoEditTriggers
count_widget = QLabel()
count_widget.alignment = Qt.AlignRight
font = count_widget.font
font.set_italic(True)
count_widget.font = font
widget = QWidget()
if width > 0:
widget.set_fixed_width(width)
layout = QVBoxLayout(widget)
layout.add_widget(QLabel(title))
layout.add_widget(view_widget)
layout.add_widget(count_widget)
layout.contents_margins = QtCore.QMargins(0, 0, 0, 0)
return view_widget, count_widget, widget
def _setup_gui(self):
# setup 3 widget model view : QTreeView - QListView - QListView
self.dataset_tree_view, self.dataset_count_label, dataset_widget = self._setup_view_widget(
QTreeView(), 'Dataset', self.dataset_model, self.select_dataset,
-1)
self.image_label_list_view, self.image_label_count_label, image_label_widget = self._setup_view_widget(
QListView(), 'Label', self.label_model, self.select_label)
self.image_list_view, self.image_count_label, image_widget = self._setup_view_widget(
QListView(), 'Image', self.image_model, self.select_image)
# configure QTreeView
self.dataset_tree_view.header_hidden = False
self.dataset_tree_view.horizontal_scroll_mode = QTreeView.ScrollPerPixel
self.dataset_tree_view.horizontal_scroll_bar_policy = Qt.ScrollBarAsNeeded
self.dataset_tree_view.selection_mode = QTreeView.SingleSelection
self.dataset_tree_view.edit_triggers = QtWidgets.QAbstractItemView.NoEditTriggers
# setup image view widget
self.image_info_widget = KlustRImageInfoWidget()
# layouting main widget
view_widget = QWidget()
view_layout = QHBoxLayout(view_widget)
view_layout.add_widget(dataset_widget)
view_layout.add_widget(image_label_widget)
view_layout.add_widget(image_widget)
view_splitter = QSplitter()
view_splitter.orientation = Qt.Horizontal
view_splitter.add_widget(view_widget)
view_splitter.add_widget(self.image_info_widget)
view_splitter.size_policy = QSizePolicy(QSizePolicy.Preferred,
QSizePolicy.MinimumExpanding)
# setup transformation filter widget
self.filter_box = QGroupBox('Filter')
self.filter_box.enabled = False
self.translation_checkbox = QCheckBox('Translation')
self.rotation_checkbox = QCheckBox('Rotation')
self.scaling_checkbox = QCheckBox('Scaling')
self.exclusive_checkbox = QCheckBox('Exclusive')
self.translation_checkbox.checked = True
self.rotation_checkbox.checked = True
self.scaling_checkbox.checked = True
self.exclusive_checkbox.checked = False
# setup transformation filter widget
filter_layout = QHBoxLayout(self.filter_box)
filter_layout.add_widget(self.translation_checkbox)
filter_layout.add_widget(self.rotation_checkbox)
filter_layout.add_widget(self.scaling_checkbox)
filter_layout.add_widget(self.exclusive_checkbox)
filter_layout.add_stretch()
# connect transformation filter widget
self.translation_checkbox.stateChanged.connect(self._update_models)
self.rotation_checkbox.stateChanged.connect(self._update_models)
self.scaling_checkbox.stateChanged.connect(self._update_models)
self.exclusive_checkbox.stateChanged.connect(self._update_models)
# main layouting
layout = QVBoxLayout(self)
layout.add_widget(view_splitter)
layout.add_widget(self.filter_box)
