def initAddButton(self):
addTabButton = QPushButton()
addTabButton.setParent(self)
addTabButton.setIconSize(QSize(22, 22))
addTabButton.setObjectName("addTabButton")
addTabButton.setCursor(Qt.PointingHandCursor)
self.addTabButton = addTabButton
self.updateAddButtonPos()
def initUI(self):
addSampleButton = QPushButton()
addSampleButton.setText("Add sample")
addSampleButton.setCursor(Qt.PointingHandCursor)
self.addSampleButton = addSampleButton
deleteSampleButton = QPushButton()
deleteSampleButton.setText("Delete sample")
deleteSampleButton.setObjectName("deleteSampleButton")
deleteSampleButton.setDisabled(True)
deleteSampleButton.setCursor(Qt.ForbiddenCursor)
self.deleteSampleButton = deleteSampleButton
sortSamplesButton = QPushButton()
sortSamplesButton.setText("Sort")
sortSamplesButton.setCursor(Qt.PointingHandCursor)
self.sortSamplesButton = sortSamplesButton
sampleButtonsLayout = QHBoxLayout()
sampleButtonsLayout.addWidget(self.addSampleButton)
sampleButtonsLayout.addWidget(self.deleteSampleButton)
sampleButtonsLayout.addWidget(self.sortSamplesButton)
addCohortButton = QPushButton()
addCohortButton.setText("Add cohort")
addCohortButton.setCursor(Qt.PointingHandCursor)
self.addCohortButton = addCohortButton
deleteCohortButton = QPushButton()
deleteCohortButton.setText("Delete cohort")
deleteCohortButton.setObjectName("deleteCohortButton")
deleteCohortButton.setDisabled(True)
deleteCohortButton.setCursor(Qt.ForbiddenCursor)
self.deleteCohortButton = deleteCohortButton
cohortButtonsLayout = QHBoxLayout()
cohortButtonsLayout.addWidget(self.addCohortButton)
cohortButtonsLayout.addWidget(self.deleteCohortButton)
layout = QVBoxLayout()
layout.addWidget(self.tableView)
layout.addLayout(sampleButtonsLayout)
layout.addLayout(cohortButtonsLayout)
groupBox = QGroupBox()
groupBox.setTitle("Samples")
groupBox.setLayout(layout)
parentLayout = QVBoxLayout()
parentLayout.addWidget(groupBox)
self.setLayout(parentLayout)
def initUI(self):
addFormulationButton = QPushButton()
addFormulationButton.setText("Add formulation")
addFormulationButton.setCursor(Qt.PointingHandCursor)
self.addFormulationButton = addFormulationButton
deleteFormulationButton = QPushButton()
deleteFormulationButton.setText("Delete formulation")
deleteFormulationButton.setObjectName("deleteFormulationButton")
deleteFormulationButton.setDisabled(True)
deleteFormulationButton.setCursor(Qt.ForbiddenCursor)
self.deleteFormulationButton = deleteFormulationButton
sortFormulationsButton = QPushButton()
sortFormulationsButton.setText("Sort")
sortFormulationsButton.setCursor(Qt.PointingHandCursor)
self.sortFormulationsButton = sortFormulationsButton
buttonsLayout = QHBoxLayout()
buttonsLayout.addWidget(addFormulationButton)
buttonsLayout.addWidget(deleteFormulationButton)
buttonsLayout.addWidget(sortFormulationsButton)
layout = QVBoxLayout()
layout.addWidget(self.tableView, 1)
layout.addLayout(buttonsLayout, 0)
groupBox = QGroupBox()
groupBox.setTitle("Formulations")
groupBox.setLayout(layout)
parentLayout = QVBoxLayout()
parentLayout.addWidget(groupBox)
self.setLayout(parentLayout)
class PluginListItem(QFrame):
def __init__(
self,
package_name: str,
version: str = '',
url: str = '',
summary: str = '',
author: str = '',
license: str = "UNKNOWN",
*,
plugin_name: str = None,
parent: QWidget = None,
enabled: bool = True,
installed: bool = False,
npe_version=1,
):
super().__init__(parent)
self.setup_ui(enabled)
self.plugin_name.setText(package_name)
self.package_name.setText(version)
self.summary.setText(summary)
self.package_author.setText(author)
self.cancel_btn.setVisible(False)
self.help_button.setText(trans._("Website"))
self.help_button.setObjectName("help_button")
if npe_version != 1:
self._handle_npe2_plugin()
if installed:
self.enabled_checkbox.show()
self.action_button.setText(trans._("uninstall"))
self.action_button.setObjectName("remove_button")
else:
self.enabled_checkbox.hide()
self.action_button.setText(trans._("install"))
self.action_button.setObjectName("install_button")
def _handle_npe2_plugin(self):
npe2_icon = QLabel(self)
icon = QColoredSVGIcon.from_resources('logo_silhouette')
npe2_icon.setPixmap(icon.colored(color='#33F0FF').pixmap(20, 20))
self.row1.insertWidget(2, QLabel('npe2'))
self.row1.insertWidget(2, npe2_icon)
def _get_dialog(self) -> QDialog:
p = self.parent()
while not isinstance(p, QDialog) and p.parent():
p = p.parent()
return p
def set_busy(self, text: str, update: bool = False):
self.item_status.setText(text)
self.cancel_btn.setVisible(True)
if not update:
self.action_button.setVisible(False)
else:
self.update_btn.setVisible(False)
def setup_ui(self, enabled=True):
self.v_lay = QVBoxLayout(self)
self.v_lay.setContentsMargins(-1, 6, -1, 6)
self.v_lay.setSpacing(0)
self.row1 = QHBoxLayout()
self.row1.setSpacing(6)
self.enabled_checkbox = QCheckBox(self)
self.enabled_checkbox.setChecked(enabled)
self.enabled_checkbox.stateChanged.connect(self._on_enabled_checkbox)
self.enabled_checkbox.setToolTip(trans._("enable/disable"))
sizePolicy = QSizePolicy(QSizePolicy.Fixed, QSizePolicy.Fixed)
sizePolicy.setHorizontalStretch(0)
sizePolicy.setVerticalStretch(0)
sizePolicy.setHeightForWidth(
self.enabled_checkbox.sizePolicy().hasHeightForWidth())
self.enabled_checkbox.setSizePolicy(sizePolicy)
self.enabled_checkbox.setMinimumSize(QSize(20, 0))
self.enabled_checkbox.setText("")
self.row1.addWidget(self.enabled_checkbox)
self.plugin_name = QLabel(self)
sizePolicy = QSizePolicy(QSizePolicy.Preferred, QSizePolicy.Minimum)
sizePolicy.setHorizontalStretch(0)
sizePolicy.setVerticalStretch(0)
sizePolicy.setHeightForWidth(
self.plugin_name.sizePolicy().hasHeightForWidth())
self.plugin_name.setSizePolicy(sizePolicy)
font15 = QFont()
font15.setPointSize(15)
self.plugin_name.setFont(font15)
self.row1.addWidget(self.plugin_name)
icon = QColoredSVGIcon.from_resources("warning")
self.warning_tooltip = QtToolTipLabel(self)
# TODO: This color should come from the theme but the theme needs
# to provide the right color. Default warning should be orange, not
# red. Code example:
# theme_name = get_settings().appearance.theme
# napari.utils.theme.get_theme(theme_name, as_dict=False).warning.as_hex()
self.warning_tooltip.setPixmap(
icon.colored(color="#E3B617").pixmap(15, 15))
self.warning_tooltip.setVisible(False)
self.row1.addWidget(self.warning_tooltip)
self.item_status = QLabel(self)
self.item_status.setObjectName("small_italic_text")
self.item_status.setSizePolicy(sizePolicy)
self.row1.addWidget(self.item_status)
self.row1.addStretch()
self.package_name = QLabel(self)
self.package_name.setAlignment(Qt.AlignRight | Qt.AlignTrailing
| Qt.AlignVCenter)
self.row1.addWidget(self.package_name)
self.cancel_btn = QPushButton("cancel", self)
self.cancel_btn.setSizePolicy(QSizePolicy.Fixed, QSizePolicy.Fixed)
self.cancel_btn.setObjectName("remove_button")
self.row1.addWidget(self.cancel_btn)
self.update_btn = QPushButton(self)
self.update_btn.setSizePolicy(QSizePolicy.Fixed, QSizePolicy.Fixed)
self.update_btn.setObjectName("install_button")
self.row1.addWidget(self.update_btn)
self.update_btn.setVisible(False)
self.help_button = QPushButton(self)
self.action_button = QPushButton(self)
sizePolicy = QSizePolicy(QSizePolicy.Fixed, QSizePolicy.Fixed)
sizePolicy.setHorizontalStretch(0)
sizePolicy.setVerticalStretch(0)
sizePolicy.setHeightForWidth(
self.action_button.sizePolicy().hasHeightForWidth())
self.help_button.setSizePolicy(sizePolicy)
self.action_button.setSizePolicy(sizePolicy)
self.row1.addWidget(self.help_button)
self.row1.addWidget(self.action_button)
self.v_lay.addLayout(self.row1)
self.row2 = QHBoxLayout()
self.error_indicator = QPushButton()
self.error_indicator.setObjectName("warning_icon")
self.error_indicator.setCursor(Qt.PointingHandCursor)
self.error_indicator.hide()
self.row2.addWidget(self.error_indicator)
self.row2.setContentsMargins(-1, 4, 0, -1)
self.summary = QElidingLabel(parent=self)
sizePolicy = QSizePolicy(QSizePolicy.MinimumExpanding,
QSizePolicy.Preferred)
sizePolicy.setHorizontalStretch(0)
sizePolicy.setVerticalStretch(0)
sizePolicy.setHeightForWidth(
self.summary.sizePolicy().hasHeightForWidth())
self.summary.setSizePolicy(sizePolicy)
self.summary.setObjectName("small_text")
self.row2.addWidget(self.summary)
self.package_author = QLabel(self)
sizePolicy = QSizePolicy(QSizePolicy.Preferred, QSizePolicy.Preferred)
sizePolicy.setHorizontalStretch(0)
sizePolicy.setVerticalStretch(0)
sizePolicy.setHeightForWidth(
self.package_author.sizePolicy().hasHeightForWidth())
self.package_author.setSizePolicy(sizePolicy)
self.package_author.setObjectName("small_text")
self.row2.addWidget(self.package_author)
self.v_lay.addLayout(self.row2)
def _on_enabled_checkbox(self, state: int):
"""Called with `state` when checkbox is clicked."""
enabled = bool(state)
plugin_name = self.plugin_name.text()
pm2 = PluginManager.instance()
if plugin_name in pm2:
pm2.enable(plugin_name) if state else pm2.disable(plugin_name)
return
for npe1_name, _, distname in plugin_manager.iter_available():
if distname and (distname == plugin_name):
plugin_manager.set_blocked(npe1_name, not enabled)
def show_warning(self, message: str = ""):
"""Show warning icon and tooltip."""
self.warning_tooltip.setVisible(bool(message))
self.warning_tooltip.setToolTip(message)
class PluginListItem(QFrame):
def __init__(
self,
package_name: str,
version: str = '',
url: str = '',
summary: str = '',
author: str = '',
license: str = "UNKNOWN",
*,
plugin_name: str = None,
parent: QWidget = None,
enabled: bool = True,
):
super().__init__(parent)
self.setup_ui()
if plugin_name:
self.plugin_name.setText(plugin_name)
self.package_name.setText(f"{package_name} {version}")
self.summary.setText(summary)
self.package_author.setText(author)
self.action_button.setText(trans._("remove"))
self.action_button.setObjectName("remove_button")
self.enabled_checkbox.setChecked(enabled)
if PluginError.get(plugin_name=plugin_name):
def _show_error():
rep = QtPluginErrReporter(parent=self._get_dialog(),
initial_plugin=plugin_name)
rep.setWindowFlags(Qt.Sheet)
close = QPushButton(trans._("close"), rep)
rep.layout.addWidget(close)
rep.plugin_combo.hide()
close.clicked.connect(rep.close)
rep.open()
self.error_indicator.clicked.connect(_show_error)
self.error_indicator.show()
self.summary.setIndent(18)
else:
self.summary.setIndent(38)
else:
self.plugin_name.setText(package_name)
self.package_name.setText(version)
self.summary.setText(summary)
self.package_author.setText(author)
self.action_button.setText(trans._("install"))
self.enabled_checkbox.hide()
def _get_dialog(self) -> QDialog:
p = self.parent()
while not isinstance(p, QDialog) and p.parent():
p = p.parent()
return p
def setup_ui(self):
self.v_lay = QVBoxLayout(self)
self.v_lay.setContentsMargins(-1, 8, -1, 8)
self.v_lay.setSpacing(0)
self.row1 = QHBoxLayout()
self.row1.setSpacing(8)
self.enabled_checkbox = QCheckBox(self)
self.enabled_checkbox.setChecked(True)
self.enabled_checkbox.setDisabled(True)
self.enabled_checkbox.setToolTip(trans._("enable/disable"))
sizePolicy = QSizePolicy(QSizePolicy.Fixed, QSizePolicy.Fixed)
sizePolicy.setHorizontalStretch(0)
sizePolicy.setVerticalStretch(0)
sizePolicy.setHeightForWidth(
self.enabled_checkbox.sizePolicy().hasHeightForWidth())
self.enabled_checkbox.setSizePolicy(sizePolicy)
self.enabled_checkbox.setMinimumSize(QSize(20, 0))
self.enabled_checkbox.setText("")
self.row1.addWidget(self.enabled_checkbox)
self.plugin_name = QLabel(self)
sizePolicy = QSizePolicy(QSizePolicy.Preferred, QSizePolicy.Minimum)
sizePolicy.setHorizontalStretch(0)
sizePolicy.setVerticalStretch(0)
sizePolicy.setHeightForWidth(
self.plugin_name.sizePolicy().hasHeightForWidth())
self.plugin_name.setSizePolicy(sizePolicy)
font16 = QFont()
font16.setPointSize(16)
self.plugin_name.setFont(font16)
self.row1.addWidget(self.plugin_name)
self.package_name = QLabel(self)
self.package_name.setAlignment(Qt.AlignRight | Qt.AlignTrailing
| Qt.AlignVCenter)
self.row1.addWidget(self.package_name)
self.action_button = QPushButton(self)
sizePolicy = QSizePolicy(QSizePolicy.Fixed, QSizePolicy.Fixed)
sizePolicy.setHorizontalStretch(0)
sizePolicy.setVerticalStretch(0)
sizePolicy.setHeightForWidth(
self.action_button.sizePolicy().hasHeightForWidth())
self.action_button.setSizePolicy(sizePolicy)
self.row1.addWidget(self.action_button)
self.v_lay.addLayout(self.row1)
self.row2 = QHBoxLayout()
self.error_indicator = QPushButton()
self.error_indicator.setObjectName("warning_icon")
self.error_indicator.setCursor(Qt.PointingHandCursor)
self.error_indicator.hide()
self.row2.addWidget(self.error_indicator)
self.row2.setContentsMargins(-1, 4, 0, -1)
self.summary = ElidingLabel(parent=self)
sizePolicy = QSizePolicy(QSizePolicy.MinimumExpanding,
QSizePolicy.Preferred)
sizePolicy.setHorizontalStretch(0)
sizePolicy.setVerticalStretch(0)
sizePolicy.setHeightForWidth(
self.summary.sizePolicy().hasHeightForWidth())
self.summary.setSizePolicy(sizePolicy)
self.summary.setObjectName("small_text")
self.row2.addWidget(self.summary)
self.package_author = QLabel(self)
sizePolicy = QSizePolicy(QSizePolicy.Preferred, QSizePolicy.Preferred)
sizePolicy.setHorizontalStretch(0)
sizePolicy.setVerticalStretch(0)
sizePolicy.setHeightForWidth(
self.package_author.sizePolicy().hasHeightForWidth())
self.package_author.setSizePolicy(sizePolicy)
self.package_author.setObjectName("small_text")
self.row2.addWidget(self.package_author)
self.v_lay.addLayout(self.row2)
class QtCustomTitleBar(QLabel):
"""A widget to be used as the titleBar in the QtViewerDockWidget.
Keeps vertical size minimal, has a hand cursor and styles (in stylesheet)
for hover. Close and float buttons.
Parameters
----------
parent : QDockWidget
The QtViewerDockWidget to which this titlebar belongs
title : str
A string to put in the titlebar.
vertical : bool
Whether this titlebar is oriented vertically or not.
"""
def __init__(self,
parent,
title: str = '',
vertical=False,
close_btn=True):
super().__init__(parent)
self.setObjectName("QtCustomTitleBar")
self.setProperty('vertical', str(vertical))
self.vertical = vertical
self.setToolTip(trans._('drag to move. double-click to float'))
line = QFrame(self)
line.setObjectName("QtCustomTitleBarLine")
self.hide_button = QPushButton(self)
self.hide_button.setToolTip(trans._('hide this panel'))
self.hide_button.setObjectName("QTitleBarHideButton")
self.hide_button.setCursor(Qt.ArrowCursor)
self.hide_button.clicked.connect(lambda: self.parent().close())
self.float_button = QPushButton(self)
self.float_button.setToolTip(trans._('float this panel'))
self.float_button.setObjectName("QTitleBarFloatButton")
self.float_button.setCursor(Qt.ArrowCursor)
self.float_button.clicked.connect(
lambda: self.parent().setFloating(not self.parent().isFloating()))
self.title = QLabel(title, self)
self.title.setSizePolicy(
QSizePolicy(QSizePolicy.Policy.Maximum,
QSizePolicy.Policy.Maximum))
if close_btn:
self.close_button = QPushButton(self)
self.close_button.setToolTip(trans._('close this panel'))
self.close_button.setObjectName("QTitleBarCloseButton")
self.close_button.setCursor(Qt.ArrowCursor)
self.close_button.clicked.connect(
lambda: self.parent().destroyOnClose())
if vertical:
layout = QVBoxLayout()
layout.setSpacing(4)
layout.setContentsMargins(0, 8, 0, 8)
line.setFixedWidth(1)
if close_btn:
layout.addWidget(self.close_button, 0, Qt.AlignHCenter)
layout.addWidget(self.hide_button, 0, Qt.AlignHCenter)
layout.addWidget(self.float_button, 0, Qt.AlignHCenter)
layout.addWidget(line, 0, Qt.AlignHCenter)
self.title.hide()
else:
layout = QHBoxLayout()
layout.setSpacing(4)
layout.setContentsMargins(8, 1, 8, 0)
line.setFixedHeight(1)
if close_btn:
layout.addWidget(self.close_button)
layout.addWidget(self.hide_button)
layout.addWidget(self.float_button)
layout.addWidget(line)
layout.addWidget(self.title)
self.setLayout(layout)
self.setCursor(Qt.OpenHandCursor)
def sizeHint(self):
# this seems to be the correct way to set the height of the titlebar
szh = super().sizeHint()
if self.vertical:
szh.setWidth(20)
else:
szh.setHeight(20)
return szh
class NapariQtNotification(QDialog):
"""Notification dialog frame, appears at the bottom right of the canvas.
By default, only the first line of the notification is shown, and the text
is elided. Double-clicking on the text (or clicking the chevron icon) will
expand to show the full notification. The dialog will autmatically
disappear in ``DISMISS_AFTER`` milliseconds, unless hovered or clicked.
Parameters
----------
message : str
The message that will appear in the notification
severity : str or NotificationSeverity, optional
Severity level {'error', 'warning', 'info', 'none'}. Will determine
the icon associated with the message.
by default NotificationSeverity.WARNING.
source : str, optional
A source string for the notifcation (intended to show the module and
or package responsible for the notification), by default None
actions : list of tuple, optional
A sequence of 2-tuples, where each tuple is a string and a callable.
Each tuple will be used to create button in the dialog, where the text
on the button is determine by the first item in the tuple, and a
callback function to call when the button is pressed is the second item
in the tuple. by default ()
"""
MAX_OPACITY = 0.9
FADE_IN_RATE = 220
FADE_OUT_RATE = 120
DISMISS_AFTER = 4000
MIN_WIDTH = 400
message: MultilineElidedLabel
source_label: QLabel
severity_icon: QLabel
def __init__(
self,
message: str,
severity: Union[str, NotificationSeverity] = 'WARNING',
source: Optional[str] = None,
actions: ActionSequence = (),
):
"""[summary]"""
super().__init__(None)
# FIXME: this does not work with multiple viewers.
# we need a way to detect the viewer in which the error occured.
for wdg in QApplication.topLevelWidgets():
if isinstance(wdg, QMainWindow):
try:
# TODO: making the canvas the parent makes it easier to
# move/resize, but also means that the notification can get
# clipped on the left if the canvas is too small.
canvas = wdg.centralWidget().children()[1].canvas.native
self.setParent(canvas)
canvas.resized.connect(self.move_to_bottom_right)
break
except Exception:
pass
self.setupUi()
self.setAttribute(Qt.WA_DeleteOnClose)
self.setup_buttons(actions)
self.setMouseTracking(True)
self.severity_icon.setText(NotificationSeverity(severity).as_icon())
self.message.setText(message)
if source:
self.source_label.setText(
trans._('Source: {source}', source=source)
)
self.close_button.clicked.connect(self.close)
self.expand_button.clicked.connect(self.toggle_expansion)
self.timer = QTimer()
self.opacity = QGraphicsOpacityEffect()
self.setGraphicsEffect(self.opacity)
self.opacity_anim = QPropertyAnimation(self.opacity, b"opacity", self)
self.geom_anim = QPropertyAnimation(self, b"geometry", self)
self.move_to_bottom_right()
def move_to_bottom_right(self, offset=(8, 8)):
"""Position widget at the bottom right edge of the parent."""
if not self.parent():
return
sz = self.parent().size() - self.size() - QSize(*offset)
self.move(QPoint(sz.width(), sz.height()))
def slide_in(self):
"""Run animation that fades in the dialog with a slight slide up."""
geom = self.geometry()
self.geom_anim.setDuration(self.FADE_IN_RATE)
self.geom_anim.setStartValue(geom.translated(0, 20))
self.geom_anim.setEndValue(geom)
self.geom_anim.setEasingCurve(QEasingCurve.OutQuad)
# fade in
self.opacity_anim.setDuration(self.FADE_IN_RATE)
self.opacity_anim.setStartValue(0)
self.opacity_anim.setEndValue(self.MAX_OPACITY)
self.geom_anim.start()
self.opacity_anim.start()
def show(self):
"""Show the message with a fade and slight slide in from the bottom."""
super().show()
self.slide_in()
if self.DISMISS_AFTER > 0:
self.timer.setInterval(self.DISMISS_AFTER)
self.timer.setSingleShot(True)
self.timer.timeout.connect(self.close)
self.timer.start()
def mouseMoveEvent(self, event):
"""On hover, stop the self-destruct timer"""
self.timer.stop()
def mouseDoubleClickEvent(self, event):
"""Expand the notification on double click."""
self.toggle_expansion()
def close(self):
"""Fade out then close."""
self.opacity_anim.setDuration(self.FADE_OUT_RATE)
self.opacity_anim.setStartValue(self.MAX_OPACITY)
self.opacity_anim.setEndValue(0)
self.opacity_anim.start()
self.opacity_anim.finished.connect(super().close)
def toggle_expansion(self):
"""Toggle the expanded state of the notification frame."""
self.contract() if self.property('expanded') else self.expand()
self.timer.stop()
def expand(self):
"""Expanded the notification so that the full message is visible."""
curr = self.geometry()
self.geom_anim.setDuration(100)
self.geom_anim.setStartValue(curr)
new_height = self.sizeHint().height()
delta = new_height - curr.height()
self.geom_anim.setEndValue(
QRect(curr.x(), curr.y() - delta, curr.width(), new_height)
)
self.geom_anim.setEasingCurve(QEasingCurve.OutQuad)
self.geom_anim.start()
self.setProperty('expanded', True)
self.style().unpolish(self.expand_button)
self.style().polish(self.expand_button)
def contract(self):
"""Contract notification to a single elided line of the message."""
geom = self.geometry()
self.geom_anim.setDuration(100)
self.geom_anim.setStartValue(geom)
dlt = geom.height() - self.minimumHeight()
self.geom_anim.setEndValue(
QRect(geom.x(), geom.y() + dlt, geom.width(), geom.height() - dlt)
)
self.geom_anim.setEasingCurve(QEasingCurve.OutQuad)
self.geom_anim.start()
self.setProperty('expanded', False)
self.style().unpolish(self.expand_button)
self.style().polish(self.expand_button)
def setupUi(self):
"""Set up the UI during initialization."""
self.setWindowFlags(Qt.SubWindow)
self.setMinimumWidth(self.MIN_WIDTH)
self.setMaximumWidth(self.MIN_WIDTH)
self.setMinimumHeight(40)
self.setSizeGripEnabled(False)
self.setModal(False)
self.verticalLayout = QVBoxLayout(self)
self.verticalLayout.setContentsMargins(2, 2, 2, 2)
self.verticalLayout.setSpacing(0)
self.row1_widget = QWidget(self)
self.row1 = QHBoxLayout(self.row1_widget)
self.row1.setContentsMargins(12, 12, 12, 8)
self.row1.setSpacing(4)
self.severity_icon = QLabel(self.row1_widget)
self.severity_icon.setObjectName("severity_icon")
self.severity_icon.setMinimumWidth(30)
self.severity_icon.setMaximumWidth(30)
self.row1.addWidget(self.severity_icon, alignment=Qt.AlignTop)
self.message = MultilineElidedLabel(self.row1_widget)
self.message.setMinimumWidth(self.MIN_WIDTH - 200)
self.message.setSizePolicy(
QSizePolicy.Expanding, QSizePolicy.Expanding
)
self.row1.addWidget(self.message, alignment=Qt.AlignTop)
self.expand_button = QPushButton(self.row1_widget)
self.expand_button.setObjectName("expand_button")
self.expand_button.setCursor(Qt.PointingHandCursor)
self.expand_button.setMaximumWidth(20)
self.expand_button.setFlat(True)
self.row1.addWidget(self.expand_button, alignment=Qt.AlignTop)
self.close_button = QPushButton(self.row1_widget)
self.close_button.setObjectName("close_button")
self.close_button.setCursor(Qt.PointingHandCursor)
self.close_button.setMaximumWidth(20)
self.close_button.setFlat(True)
self.row1.addWidget(self.close_button, alignment=Qt.AlignTop)
self.verticalLayout.addWidget(self.row1_widget, 1)
self.row2_widget = QWidget(self)
self.row2_widget.hide()
self.row2 = QHBoxLayout(self.row2_widget)
self.source_label = QLabel(self.row2_widget)
self.source_label.setObjectName("source_label")
self.row2.addWidget(self.source_label, alignment=Qt.AlignBottom)
self.row2.addStretch()
self.row2.setContentsMargins(12, 2, 16, 12)
self.row2_widget.setMaximumHeight(34)
self.row2_widget.setStyleSheet(
'QPushButton{'
'padding: 4px 12px 4px 12px; '
'font-size: 11px;'
'min-height: 18px; border-radius: 0;}'
)
self.verticalLayout.addWidget(self.row2_widget, 0)
self.setProperty('expanded', False)
self.resize(self.MIN_WIDTH, 40)
def setup_buttons(self, actions: ActionSequence = ()):
"""Add buttons to the dialog.
Parameters
----------
actions : tuple, optional
A sequence of 2-tuples, where each tuple is a string and a
callable. Each tuple will be used to create button in the dialog,
where the text on the button is determine by the first item in the
tuple, and a callback function to call when the button is pressed
is the second item in the tuple. by default ()
"""
if isinstance(actions, dict):
actions = list(actions.items())
for text, callback in actions:
btn = QPushButton(text)
def call_back_with_self(callback, self):
"""
we need a higher order function this to capture the reference to self.
"""
def _inner():
return callback(self)
return _inner
btn.clicked.connect(call_back_with_self(callback, self))
btn.clicked.connect(self.close)
self.row2.addWidget(btn)
if actions:
self.row2_widget.show()
self.setMinimumHeight(
self.row2_widget.maximumHeight() + self.minimumHeight()
)
def sizeHint(self):
"""Return the size required to show the entire message."""
return QSize(
super().sizeHint().width(),
self.row2_widget.height() + self.message.sizeHint().height(),
)
@classmethod
def from_notification(
cls, notification: Notification
) -> NapariQtNotification:
from ...utils.notifications import ErrorNotification
actions = notification.actions
if isinstance(notification, ErrorNotification):
def show_tb(parent):
tbdialog = QDialog(parent=parent.parent())
tbdialog.setModal(True)
# this is about the minimum width to not get rewrap
# and the minimum height to not have scrollbar
tbdialog.resize(650, 270)
tbdialog.setLayout(QVBoxLayout())
text = QTextEdit()
text.setHtml(notification.as_html())
text.setReadOnly(True)
btn = QPushButton('Enter Debugger')
def _enter_debug_mode():
btn.setText(
'Now Debugging. Please quit debugger in console '
'to continue'
)
_debug_tb(notification.exception.__traceback__)
btn.setText('Enter Debugger')
btn.clicked.connect(_enter_debug_mode)
tbdialog.layout().addWidget(text)
tbdialog.layout().addWidget(btn, 0, Qt.AlignRight)
tbdialog.show()
actions = tuple(notification.actions) + (
(trans._('View Traceback'), show_tb),
)
else:
actions = notification.actions
return cls(
message=notification.message,
severity=notification.severity,
source=notification.source,
actions=actions,
)
@classmethod
def show_notification(cls, notification: Notification):
from ...utils.settings import SETTINGS
# after https://github.com/napari/napari/issues/2370,
# the os.getenv can be removed (and NAPARI_CATCH_ERRORS retired)
if (
os.getenv("NAPARI_CATCH_ERRORS") not in ('0', 'False')
and notification.severity
>= SETTINGS.application.gui_notification_level
):
cls.from_notification(notification).show()
class ClearableLineEdit(QLineEdit):
passive_color = QColor(194, 194, 194)
def __init__(self, placeholder="yyyy-mm-dd"):
QLineEdit.__init__(self)
self._placeholder_text = placeholder
self._active_color = self.palette().color(self.foregroundRole())
self._placeholder_active = False
self._clear_button = QPushButton(self)
self._clear_button.setIcon(resourceIcon("remove_outlined.svg"))
self._clear_button.setFlat(True)
self._clear_button.setFocusPolicy(Qt.NoFocus)
self._clear_button.setFixedSize(17, 17)
self._clear_button.setCursor(Qt.ArrowCursor)
self._clear_button.clicked.connect(self.clearButtonClicked)
self._clear_button.setVisible(False)
self.textChanged.connect(self.toggleClearButtonVisibility)
self.showPlaceholder()
def toggleClearButtonVisibility(self):
self._clear_button.setVisible(
len(self.text()) > 0 and not self._placeholder_active)
def sizeHint(self):
size = QLineEdit.sizeHint(self)
return QSize(size.width() + self._clear_button.width() + 3,
size.height())
def minimumSizeHint(self):
size = QLineEdit.minimumSizeHint(self)
return QSize(size.width() + self._clear_button.width() + 3,
size.height())
def resizeEvent(self, event):
right = self.rect().right()
frame_width = self.style().pixelMetric(QStyle.PM_DefaultFrameWidth)
self._clear_button.move(
right - frame_width - self._clear_button.width(),
int((self.height() - self._clear_button.height()) / 2),
)
QLineEdit.resizeEvent(self, event)
def clearButtonClicked(self):
self.setText("")
def showPlaceholder(self):
if not self._placeholder_active:
self._placeholder_active = True
QLineEdit.setText(self, self._placeholder_text)
palette = self.palette()
palette.setColor(self.foregroundRole(), self.passive_color)
self.setPalette(palette)
def hidePlaceHolder(self):
if self._placeholder_active:
self._placeholder_active = False
QLineEdit.setText(self, "")
palette = self.palette()
palette.setColor(self.foregroundRole(), self._active_color)
self.setPalette(palette)
def focusInEvent(self, focus_event):
QLineEdit.focusInEvent(self, focus_event)
self.hidePlaceHolder()
def focusOutEvent(self, focus_event):
QLineEdit.focusOutEvent(self, focus_event)
if str(QLineEdit.text(self)) == "":
self.showPlaceholder()
def keyPressEvent(self, key_event):
if key_event.key() == Qt.Key_Escape:
self.clear()
self.clearFocus()
key_event.accept()
QLineEdit.keyPressEvent(self, key_event)
def setText(self, string):
self.hidePlaceHolder()
QLineEdit.setText(self, string)
if len(str(string)) == 0 and not self.hasFocus():
self.showPlaceholder()
def text(self):
if self._placeholder_active:
return ""
else:
return QLineEdit.text(self)
class NapariNotification(QDialog):
"""Notification dialog frame, appears at the bottom right of the canvas.
By default, only the first line of the notification is shown, and the text
is elided. Double-clicking on the text (or clicking the chevron icon) will
expand to show the full notification. The dialog will autmatically
disappear in ``DISMISS_AFTER`` milliseconds, unless hovered or clicked.
Parameters
----------
message : str
The message that will appear in the notification
severity : str or NotificationSeverity, optional
Severity level {'error', 'warning', 'info', 'none'}. Will determine
the icon associated with the message.
by default NotificationSeverity.WARNING.
source : str, optional
A source string for the notifcation (intended to show the module and
or package responsible for the notification), by default None
actions : list of tuple, optional
A sequence of 2-tuples, where each tuple is a string and a callable.
Each tuple will be used to create button in the dialog, where the text
on the button is determine by the first item in the tuple, and a
callback function to call when the button is pressed is the second item
in the tuple. by default ()
"""
MAX_OPACITY = 0.9
FADE_IN_RATE = 220
FADE_OUT_RATE = 120
DISMISS_AFTER = 4000
MIN_WIDTH = 400
def __init__(
self,
message: str,
severity: Union[
str, NotificationSeverity] = NotificationSeverity.WARNING,
source: Optional[str] = None,
actions: ActionSequence = (),
):
"""[summary]
"""
super().__init__(None)
# FIXME: this does not work with multiple viewers.
# we need a way to detect the viewer in which the error occured.
for wdg in QApplication.topLevelWidgets():
if isinstance(wdg, QMainWindow):
try:
# TODO: making the canvas the parent makes it easier to
# move/resize, but also means that the notification can get
# clipped on the left if the canvas is too small.
canvas = wdg.centralWidget().children()[1].canvas.native
self.setParent(canvas)
canvas.resized.connect(self.move_to_bottom_right)
break
except Exception:
pass
self.setupUi()
self.setAttribute(Qt.WA_DeleteOnClose)
self.setup_buttons(actions)
self.setMouseTracking(True)
self.severity_icon.setText(NotificationSeverity(severity).as_icon())
self.message.setText(message)
if source:
self.source_label.setText(f'Source: {source}')
self.close_button.clicked.connect(self.close)
self.expand_button.clicked.connect(self.toggle_expansion)
self.timer = None
self.opacity = QGraphicsOpacityEffect()
self.setGraphicsEffect(self.opacity)
self.opacity_anim = QPropertyAnimation(self.opacity, b"opacity", self)
self.geom_anim = QPropertyAnimation(self, b"geometry", self)
self.move_to_bottom_right()
def move_to_bottom_right(self, offset=(8, 8)):
"""Position widget at the bottom right edge of the parent."""
if not self.parent():
return
sz = self.parent().size() - self.size() - QSize(*offset)
self.move(QPoint(sz.width(), sz.height()))
def slide_in(self):
"""Run animation that fades in the dialog with a slight slide up."""
geom = self.geometry()
self.geom_anim.setDuration(self.FADE_IN_RATE)
self.geom_anim.setStartValue(geom.translated(0, 20))
self.geom_anim.setEndValue(geom)
self.geom_anim.setEasingCurve(QEasingCurve.OutQuad)
# fade in
self.opacity_anim.setDuration(self.FADE_IN_RATE)
self.opacity_anim.setStartValue(0)
self.opacity_anim.setEndValue(self.MAX_OPACITY)
self.geom_anim.start()
self.opacity_anim.start()
def show(self):
"""Show the message with a fade and slight slide in from the bottom."""
super().show()
self.slide_in()
self.timer = QTimer()
self.timer.setInterval(self.DISMISS_AFTER)
self.timer.setSingleShot(True)
self.timer.timeout.connect(self.close)
self.timer.start()
def mouseMoveEvent(self, event):
"""On hover, stop the self-destruct timer"""
self.timer.stop()
def mouseDoubleClickEvent(self, event):
"""Expand the notification on double click."""
self.toggle_expansion()
def close(self):
"""Fade out then close."""
self.opacity_anim.setDuration(self.FADE_OUT_RATE)
self.opacity_anim.setStartValue(self.MAX_OPACITY)
self.opacity_anim.setEndValue(0)
self.opacity_anim.start()
self.opacity_anim.finished.connect(super().close)
def toggle_expansion(self):
"""Toggle the expanded state of the notification frame."""
self.contract() if self.property('expanded') else self.expand()
self.timer.stop()
def expand(self):
"""Expanded the notification so that the full message is visible."""
curr = self.geometry()
self.geom_anim.setDuration(100)
self.geom_anim.setStartValue(curr)
new_height = self.sizeHint().height()
delta = new_height - curr.height()
self.geom_anim.setEndValue(
QRect(curr.x(),
curr.y() - delta, curr.width(), new_height))
self.geom_anim.setEasingCurve(QEasingCurve.OutQuad)
self.geom_anim.start()
self.setProperty('expanded', True)
self.style().unpolish(self.expand_button)
self.style().polish(self.expand_button)
def contract(self):
"""Contract notification to a single elided line of the message."""
geom = self.geometry()
self.geom_anim.setDuration(100)
self.geom_anim.setStartValue(geom)
dlt = geom.height() - self.minimumHeight()
self.geom_anim.setEndValue(
QRect(geom.x(),
geom.y() + dlt, geom.width(),
geom.height() - dlt))
self.geom_anim.setEasingCurve(QEasingCurve.OutQuad)
self.geom_anim.start()
self.setProperty('expanded', False)
self.style().unpolish(self.expand_button)
self.style().polish(self.expand_button)
def setupUi(self):
"""Set up the UI during initialization."""
self.setWindowFlags(Qt.SubWindow)
self.setMinimumWidth(self.MIN_WIDTH)
self.setMaximumWidth(self.MIN_WIDTH)
self.setMinimumHeight(40)
self.setSizeGripEnabled(False)
self.setModal(False)
self.verticalLayout = QVBoxLayout(self)
self.verticalLayout.setContentsMargins(2, 2, 2, 2)
self.verticalLayout.setSpacing(0)
self.row1_widget = QWidget(self)
self.row1 = QHBoxLayout(self.row1_widget)
self.row1.setContentsMargins(12, 12, 12, 8)
self.row1.setSpacing(4)
self.severity_icon = QLabel(self.row1_widget)
self.severity_icon.setObjectName("severity_icon")
self.severity_icon.setMinimumWidth(30)
self.severity_icon.setMaximumWidth(30)
self.row1.addWidget(self.severity_icon, alignment=Qt.AlignTop)
self.message = MultilineElidedLabel(self.row1_widget)
self.message.setMinimumWidth(self.MIN_WIDTH - 200)
self.message.setSizePolicy(QSizePolicy.Expanding,
QSizePolicy.Expanding)
self.row1.addWidget(self.message, alignment=Qt.AlignTop)
self.expand_button = QPushButton(self.row1_widget)
self.expand_button.setObjectName("expand_button")
self.expand_button.setCursor(Qt.PointingHandCursor)
self.expand_button.setMaximumWidth(20)
self.expand_button.setFlat(True)
self.row1.addWidget(self.expand_button, alignment=Qt.AlignTop)
self.close_button = QPushButton(self.row1_widget)
self.close_button.setObjectName("close_button")
self.close_button.setCursor(Qt.PointingHandCursor)
self.close_button.setMaximumWidth(20)
self.close_button.setFlat(True)
self.row1.addWidget(self.close_button, alignment=Qt.AlignTop)
self.verticalLayout.addWidget(self.row1_widget, 1)
self.row2_widget = QWidget(self)
self.row2_widget.hide()
self.row2 = QHBoxLayout(self.row2_widget)
self.source_label = QLabel(self.row2_widget)
self.source_label.setObjectName("source_label")
self.row2.addWidget(self.source_label, alignment=Qt.AlignBottom)
self.row2.addStretch()
self.row2.setContentsMargins(12, 2, 16, 12)
self.row2_widget.setMaximumHeight(34)
self.row2_widget.setStyleSheet('QPushButton{'
'padding: 4px 12px 4px 12px; '
'font-size: 11px;'
'min-height: 18px; border-radius: 0;}')
self.verticalLayout.addWidget(self.row2_widget, 0)
self.setProperty('expanded', False)
self.resize(self.MIN_WIDTH, 40)
def setup_buttons(self, actions: ActionSequence = ()):
"""Add buttons to the dialog.
Parameters
----------
actions : tuple, optional
A sequence of 2-tuples, where each tuple is a string and a
callable. Each tuple will be used to create button in the dialog,
where the text on the button is determine by the first item in the
tuple, and a callback function to call when the button is pressed
is the second item in the tuple. by default ()
"""
if isinstance(actions, dict):
actions = list(actions.items())
for text, callback in actions:
btn = QPushButton(text)
btn.clicked.connect(callback)
btn.clicked.connect(self.close)
self.row2.addWidget(btn)
if actions:
self.row2_widget.show()
self.setMinimumHeight(self.row2_widget.maximumHeight() +
self.minimumHeight())
def sizeHint(self):
"""Return the size required to show the entire message."""
return QSize(
super().sizeHint().width(),
self.row2_widget.height() + self.message.sizeHint().height(),
)
@classmethod
def from_exception(cls, exception: BaseException) -> 'NapariNotification':
"""Create a NapariNotifcation dialog from an exception object."""
# TODO: this method could be used to recognize various exception
# subclasses and populate the dialog accordingly.
msg = getattr(exception, 'message', str(exception))
severity = getattr(exception, 'severity', 'WARNING')
source = None
actions = getattr(exception, 'actions', ())
return cls(msg, severity, source, actions)
class PluginListItem(QFrame):
def __init__(
self,
package_name: str,
version: str = '',
url: str = '',
summary: str = '',
author: str = '',
license: str = "UNKNOWN",
*,
plugin_name: str = None,
parent: QWidget = None,
enabled: bool = True,
installed: bool = False,
npe_version=1,
):
super().__init__(parent)
self.setup_ui(enabled)
self.plugin_name.setText(package_name)
self.package_name.setText(version)
self.summary.setText(summary)
self.package_author.setText(author)
self.cancel_btn.setVisible(False)
self.help_button.setText(trans._("Website"))
self.help_button.setObjectName("help_button")
if npe_version != 1:
self.enabled_checkbox.setEnabled(False)
if installed:
self.enabled_checkbox.show()
self.action_button.setText(trans._("uninstall"))
self.action_button.setObjectName("remove_button")
else:
self.enabled_checkbox.hide()
self.action_button.setText(trans._("install"))
self.action_button.setObjectName("install_button")
def _get_dialog(self) -> QDialog:
p = self.parent()
while not isinstance(p, QDialog) and p.parent():
p = p.parent()
return p
def set_busy(self, text: str, update: bool = False):
self.item_status.setText(text)
self.cancel_btn.setVisible(True)
if not update:
self.action_button.setVisible(False)
else:
self.update_btn.setVisible(False)
def setup_ui(self, enabled=True):
self.v_lay = QVBoxLayout(self)
self.v_lay.setContentsMargins(-1, 6, -1, 6)
self.v_lay.setSpacing(0)
self.row1 = QHBoxLayout()
self.row1.setSpacing(6)
self.enabled_checkbox = QCheckBox(self)
self.enabled_checkbox.setChecked(enabled)
self.enabled_checkbox.stateChanged.connect(self._on_enabled_checkbox)
self.enabled_checkbox.setToolTip(trans._("enable/disable"))
sizePolicy = QSizePolicy(QSizePolicy.Fixed, QSizePolicy.Fixed)
sizePolicy.setHorizontalStretch(0)
sizePolicy.setVerticalStretch(0)
sizePolicy.setHeightForWidth(
self.enabled_checkbox.sizePolicy().hasHeightForWidth()
)
self.enabled_checkbox.setSizePolicy(sizePolicy)
self.enabled_checkbox.setMinimumSize(QSize(20, 0))
self.enabled_checkbox.setText("")
self.row1.addWidget(self.enabled_checkbox)
self.plugin_name = QLabel(self)
sizePolicy = QSizePolicy(QSizePolicy.Preferred, QSizePolicy.Minimum)
sizePolicy.setHorizontalStretch(0)
sizePolicy.setVerticalStretch(0)
sizePolicy.setHeightForWidth(
self.plugin_name.sizePolicy().hasHeightForWidth()
)
self.plugin_name.setSizePolicy(sizePolicy)
font15 = QFont()
font15.setPointSize(15)
self.plugin_name.setFont(font15)
self.row1.addWidget(self.plugin_name)
self.item_status = QLabel(self)
self.item_status.setObjectName("small_italic_text")
self.item_status.setSizePolicy(sizePolicy)
self.row1.addWidget(self.item_status)
self.row1.addStretch()
self.package_name = QLabel(self)
self.package_name.setAlignment(
Qt.AlignRight | Qt.AlignTrailing | Qt.AlignVCenter
)
self.row1.addWidget(self.package_name)
self.cancel_btn = QPushButton("cancel", self)
self.cancel_btn.setSizePolicy(QSizePolicy.Fixed, QSizePolicy.Fixed)
self.cancel_btn.setObjectName("remove_button")
self.row1.addWidget(self.cancel_btn)
self.update_btn = QPushButton(self)
self.update_btn.setSizePolicy(QSizePolicy.Fixed, QSizePolicy.Fixed)
self.update_btn.setObjectName("install_button")
self.row1.addWidget(self.update_btn)
self.update_btn.setVisible(False)
self.help_button = QPushButton(self)
self.action_button = QPushButton(self)
sizePolicy = QSizePolicy(QSizePolicy.Fixed, QSizePolicy.Fixed)
sizePolicy.setHorizontalStretch(0)
sizePolicy.setVerticalStretch(0)
sizePolicy.setHeightForWidth(
self.action_button.sizePolicy().hasHeightForWidth()
)
self.help_button.setSizePolicy(sizePolicy)
self.action_button.setSizePolicy(sizePolicy)
self.row1.addWidget(self.help_button)
self.row1.addWidget(self.action_button)
self.v_lay.addLayout(self.row1)
self.row2 = QHBoxLayout()
self.error_indicator = QPushButton()
self.error_indicator.setObjectName("warning_icon")
self.error_indicator.setCursor(Qt.PointingHandCursor)
self.error_indicator.hide()
self.row2.addWidget(self.error_indicator)
self.row2.setContentsMargins(-1, 4, 0, -1)
self.summary = QElidingLabel(parent=self)
sizePolicy = QSizePolicy(
QSizePolicy.MinimumExpanding, QSizePolicy.Preferred
)
sizePolicy.setHorizontalStretch(0)
sizePolicy.setVerticalStretch(0)
sizePolicy.setHeightForWidth(
self.summary.sizePolicy().hasHeightForWidth()
)
self.summary.setSizePolicy(sizePolicy)
self.summary.setObjectName("small_text")
self.row2.addWidget(self.summary)
self.package_author = QLabel(self)
sizePolicy = QSizePolicy(QSizePolicy.Preferred, QSizePolicy.Preferred)
sizePolicy.setHorizontalStretch(0)
sizePolicy.setVerticalStretch(0)
sizePolicy.setHeightForWidth(
self.package_author.sizePolicy().hasHeightForWidth()
)
self.package_author.setSizePolicy(sizePolicy)
self.package_author.setObjectName("small_text")
self.row2.addWidget(self.package_author)
self.v_lay.addLayout(self.row2)
def _on_enabled_checkbox(self, state: int):
"""Called with `state` when checkbox is clicked."""
enabled = bool(state)
current_distname = self.plugin_name.text()
for plugin_name, _, distname in plugin_manager.iter_available():
if distname and distname == current_distname:
plugin_manager.set_blocked(plugin_name, not enabled)
def __init__(self, *args, **kwargs):
super().__init__(*args, **kwargs)
selectProjectButton = QPushButton()
selectProjectButton.setCursor(Qt.PointingHandCursor)
selectProjectButton.setObjectName("selectProjectButton")
selectProjectButton.setText("Select project")
self.selectProjectButton = selectProjectButton
pathLabel = QLabel()
pathLabel.setText("Path:")
pathLabel.setToolTip("Project path")
pathLabel.setWordWrap(False)
pathLabel.setAlignment(Qt.AlignRight)
pathValueLabel = QElidedLabel()
pathValueLabel.setText("none")
pathValueLabel.setToolTip("none")
pathValueLabel.setWordWrap(False)
self.pathValueLabel = pathValueLabel
nameLabel = QLabel()
nameLabel.setText("Name:")
nameLabel.setToolTip("Project name")
nameLabel.setWordWrap(False)
nameLabel.setAlignment(Qt.AlignRight)
nameValueLabel = QElidedLabel()
nameValueLabel.setText("none")
nameValueLabel.setToolTip("none")
nameValueLabel.setWordWrap(False)
self.nameValueLabel = nameValueLabel
projectStatusGrid = QGridLayout()
projectStatusGrid.setContentsMargins(2, 2, 2, 2)
projectStatusGrid.setColumnStretch(0, 0)
projectStatusGrid.setColumnStretch(1, 1)
projectStatusGrid.addWidget(pathLabel, 0, 0)
projectStatusGrid.addWidget(nameLabel, 1, 0)
projectStatusGrid.addWidget(pathValueLabel, 0, 1)
projectStatusGrid.addWidget(nameValueLabel, 1, 1)
projectGroupBox = QGroupBox()
projectGroupBox.setTitle("Current project")
projectGroupBox.setLayout(projectStatusGrid)
statusLayout = QVBoxLayout()
statusLayout.addWidget(selectProjectButton, stretch=0)
statusLayout.addSpacing(10)
statusLayout.addWidget(projectGroupBox, stretch=0)
statusLayout.addStretch(1)
statusLayout.setContentsMargins(0, 0, 0, 0)
statusLayout.setSpacing(0)
statusWidget = QWidget()
statusWidget.setLayout(statusLayout)
statusWidget.setContentsMargins(0, 0, 0, 0)
statusWidget.setFixedWidth(250)
noProjectSetLabel = QLabel()
noProjectSetLabel.setObjectName("noProjectSetLabel")
noProjectSetLabel.setText("No project set")
noProjectSetLabel.setAlignment(Qt.AlignCenter)
layout = QHBoxLayout()
layout.setContentsMargins(6, 6, 6, 6)
layout.addWidget(statusWidget, stretch=0)
layout.addSpacing(3)
layout.addWidget(noProjectSetLabel, stretch=1)
self.setLayout(layout)
class NapariQtNotification(QDialog):
"""Notification dialog frame, appears at the bottom right of the canvas.
By default, only the first line of the notification is shown, and the text
is elided. Double-clicking on the text (or clicking the chevron icon) will
expand to show the full notification. The dialog will autmatically
disappear in ``DISMISS_AFTER`` milliseconds, unless hovered or clicked.
Parameters
----------
message : str
The message that will appear in the notification
severity : str or NotificationSeverity, optional
Severity level {'error', 'warning', 'info', 'none'}. Will determine
the icon associated with the message.
by default NotificationSeverity.WARNING.
source : str, optional
A source string for the notifcation (intended to show the module and
or package responsible for the notification), by default None
actions : list of tuple, optional
A sequence of 2-tuples, where each tuple is a string and a callable.
Each tuple will be used to create button in the dialog, where the text
on the button is determine by the first item in the tuple, and a
callback function to call when the button is pressed is the second item
in the tuple. by default ()
"""
MAX_OPACITY = 0.9
FADE_IN_RATE = 220
FADE_OUT_RATE = 120
DISMISS_AFTER = 4000
MIN_WIDTH = 400
MIN_EXPANSION = 18
message: QElidingLabel
source_label: QLabel
severity_icon: QLabel
def __init__(
self,
message: str,
severity: Union[str, NotificationSeverity] = 'WARNING',
source: Optional[str] = None,
actions: ActionSequence = (),
):
super().__init__()
from ..qt_main_window import _QtMainWindow
current_window = _QtMainWindow.current()
if current_window is not None:
canvas = current_window._qt_viewer._canvas_overlay
self.setParent(canvas)
canvas.resized.connect(self.move_to_bottom_right)
self.setupUi()
self.setAttribute(Qt.WA_DeleteOnClose)
self.setup_buttons(actions)
self.setMouseTracking(True)
self._update_icon(str(severity))
self.message.setText(message)
if source:
self.source_label.setText(
trans._('Source: {source}', source=source)
)
self.close_button.clicked.connect(self.close)
self.expand_button.clicked.connect(self.toggle_expansion)
self.timer = QTimer()
self.opacity = QGraphicsOpacityEffect()
self.setGraphicsEffect(self.opacity)
self.opacity_anim = QPropertyAnimation(self.opacity, b"opacity", self)
self.geom_anim = QPropertyAnimation(self, b"geometry", self)
self.move_to_bottom_right()
def _update_icon(self, severity: str):
"""Update the icon to match the severity level."""
from ...settings import get_settings
from ...utils.theme import get_theme
settings = get_settings()
theme = settings.appearance.theme
default_color = getattr(get_theme(theme, False), 'icon')
# FIXME: Should these be defined at the theme level?
# Currently there is a warning one
colors = {
'error': "#D85E38",
'warning': "#E3B617",
'info': default_color,
'debug': default_color,
'none': default_color,
}
color = colors.get(severity, default_color)
icon = QColoredSVGIcon.from_resources(severity)
self.severity_icon.setPixmap(icon.colored(color=color).pixmap(15, 15))
def move_to_bottom_right(self, offset=(8, 8)):
"""Position widget at the bottom right edge of the parent."""
if not self.parent():
return
sz = self.parent().size() - self.size() - QSize(*offset)
self.move(QPoint(sz.width(), sz.height()))
def slide_in(self):
"""Run animation that fades in the dialog with a slight slide up."""
geom = self.geometry()
self.geom_anim.setDuration(self.FADE_IN_RATE)
self.geom_anim.setStartValue(geom.translated(0, 20))
self.geom_anim.setEndValue(geom)
self.geom_anim.setEasingCurve(QEasingCurve.OutQuad)
# fade in
self.opacity_anim.setDuration(self.FADE_IN_RATE)
self.opacity_anim.setStartValue(0)
self.opacity_anim.setEndValue(self.MAX_OPACITY)
self.geom_anim.start()
self.opacity_anim.start()
def show(self):
"""Show the message with a fade and slight slide in from the bottom."""
super().show()
self.slide_in()
if self.DISMISS_AFTER > 0:
self.timer.setInterval(self.DISMISS_AFTER)
self.timer.setSingleShot(True)
self.timer.timeout.connect(self.close)
self.timer.start()
def mouseMoveEvent(self, event):
"""On hover, stop the self-destruct timer"""
self.timer.stop()
def mouseDoubleClickEvent(self, event):
"""Expand the notification on double click."""
self.toggle_expansion()
def close(self):
"""Fade out then close."""
self.opacity_anim.setDuration(self.FADE_OUT_RATE)
self.opacity_anim.setStartValue(self.MAX_OPACITY)
self.opacity_anim.setEndValue(0)
self.opacity_anim.start()
self.opacity_anim.finished.connect(super().close)
def toggle_expansion(self):
"""Toggle the expanded state of the notification frame."""
self.contract() if self.property('expanded') else self.expand()
self.timer.stop()
def expand(self):
"""Expanded the notification so that the full message is visible."""
curr = self.geometry()
self.geom_anim.setDuration(100)
self.geom_anim.setStartValue(curr)
new_height = self.sizeHint().height()
if new_height < curr.height():
# new height would shift notification down, ensure some expansion
new_height = curr.height() + self.MIN_EXPANSION
delta = new_height - curr.height()
self.geom_anim.setEndValue(
QRect(curr.x(), curr.y() - delta, curr.width(), new_height)
)
self.geom_anim.setEasingCurve(QEasingCurve.OutQuad)
self.geom_anim.start()
self.setProperty('expanded', True)
self.style().unpolish(self.expand_button)
self.style().polish(self.expand_button)
def contract(self):
"""Contract notification to a single elided line of the message."""
geom = self.geometry()
self.geom_anim.setDuration(100)
self.geom_anim.setStartValue(geom)
dlt = geom.height() - self.minimumHeight()
self.geom_anim.setEndValue(
QRect(geom.x(), geom.y() + dlt, geom.width(), geom.height() - dlt)
)
self.geom_anim.setEasingCurve(QEasingCurve.OutQuad)
self.geom_anim.start()
self.setProperty('expanded', False)
self.style().unpolish(self.expand_button)
self.style().polish(self.expand_button)
def setupUi(self):
"""Set up the UI during initialization."""
self.setWindowFlags(Qt.SubWindow)
self.setMinimumWidth(self.MIN_WIDTH)
self.setMaximumWidth(self.MIN_WIDTH)
self.setMinimumHeight(40)
self.setSizeGripEnabled(False)
self.setModal(False)
self.verticalLayout = QVBoxLayout(self)
self.verticalLayout.setContentsMargins(2, 2, 2, 2)
self.verticalLayout.setSpacing(0)
self.row1_widget = QWidget(self)
self.row1 = QHBoxLayout(self.row1_widget)
self.row1.setContentsMargins(12, 12, 12, 8)
self.row1.setSpacing(4)
self.severity_icon = QLabel(self.row1_widget)
self.severity_icon.setObjectName("severity_icon")
self.severity_icon.setMinimumWidth(30)
self.severity_icon.setMaximumWidth(30)
self.row1.addWidget(self.severity_icon, alignment=Qt.AlignTop)
self.message = QElidingLabel()
self.message.setWordWrap(True)
self.message.setTextInteractionFlags(Qt.TextSelectableByMouse)
self.message.setMinimumWidth(self.MIN_WIDTH - 200)
self.message.setSizePolicy(
QSizePolicy.Expanding, QSizePolicy.Expanding
)
self.row1.addWidget(self.message, alignment=Qt.AlignTop)
self.expand_button = QPushButton(self.row1_widget)
self.expand_button.setObjectName("expand_button")
self.expand_button.setCursor(Qt.PointingHandCursor)
self.expand_button.setMaximumWidth(20)
self.expand_button.setFlat(True)
self.row1.addWidget(self.expand_button, alignment=Qt.AlignTop)
self.close_button = QPushButton(self.row1_widget)
self.close_button.setObjectName("close_button")
self.close_button.setCursor(Qt.PointingHandCursor)
self.close_button.setMaximumWidth(20)
self.close_button.setFlat(True)
self.row1.addWidget(self.close_button, alignment=Qt.AlignTop)
self.verticalLayout.addWidget(self.row1_widget, 1)
self.row2_widget = QWidget(self)
self.row2_widget.hide()
self.row2 = QHBoxLayout(self.row2_widget)
self.source_label = QLabel(self.row2_widget)
self.source_label.setObjectName("source_label")
self.row2.addWidget(self.source_label, alignment=Qt.AlignBottom)
self.row2.addStretch()
self.row2.setContentsMargins(12, 2, 16, 12)
self.row2_widget.setMaximumHeight(34)
self.row2_widget.setStyleSheet(
'QPushButton{'
'padding: 4px 12px 4px 12px; '
'font-size: 11px;'
'min-height: 18px; border-radius: 0;}'
)
self.verticalLayout.addWidget(self.row2_widget, 0)
self.setProperty('expanded', False)
self.resize(self.MIN_WIDTH, 40)
def setup_buttons(self, actions: ActionSequence = ()):
"""Add buttons to the dialog.
Parameters
----------
actions : tuple, optional
A sequence of 2-tuples, where each tuple is a string and a
callable. Each tuple will be used to create button in the dialog,
where the text on the button is determine by the first item in the
tuple, and a callback function to call when the button is pressed
is the second item in the tuple. by default ()
"""
if isinstance(actions, dict):
actions = list(actions.items())
for text, callback in actions:
btn = QPushButton(text)
def call_back_with_self(callback, self):
"""
We need a higher order function this to capture the reference to self.
"""
def _inner():
return callback(self)
return _inner
btn.clicked.connect(call_back_with_self(callback, self))
btn.clicked.connect(self.close)
self.row2.addWidget(btn)
if actions:
self.row2_widget.show()
self.setMinimumHeight(
self.row2_widget.maximumHeight() + self.minimumHeight()
)
def sizeHint(self):
"""Return the size required to show the entire message."""
return QSize(
super().sizeHint().width(),
self.row2_widget.height() + self.message.sizeHint().height(),
)
@classmethod
def from_notification(
cls, notification: Notification
) -> NapariQtNotification:
from ...utils.notifications import ErrorNotification
actions = notification.actions
if isinstance(notification, ErrorNotification):
def show_tb(parent):
tbdialog = QDialog(parent=parent.parent())
tbdialog.setModal(True)
# this is about the minimum width to not get rewrap
# and the minimum height to not have scrollbar
tbdialog.resize(650, 270)
tbdialog.setLayout(QVBoxLayout())
text = QTextEdit()
theme = get_theme(
get_settings().appearance.theme, as_dict=False
)
_highlight = Pylighter( # noqa: F841
text.document(), "python", theme.syntax_style
)
text.setText(notification.as_text())
text.setReadOnly(True)
btn = QPushButton(trans._('Enter Debugger'))
def _enter_debug_mode():
btn.setText(
trans._(
'Now Debugging. Please quit debugger in console to continue'
)
)
_debug_tb(notification.exception.__traceback__)
btn.setText(trans._('Enter Debugger'))
btn.clicked.connect(_enter_debug_mode)
tbdialog.layout().addWidget(text)
tbdialog.layout().addWidget(btn, 0, Qt.AlignRight)
tbdialog.show()
actions = tuple(notification.actions) + (
(trans._('View Traceback'), show_tb),
)
else:
actions = notification.actions
return cls(
message=notification.message,
severity=notification.severity,
source=notification.source,
actions=actions,
)
@classmethod
@ensure_main_thread
def show_notification(cls, notification: Notification):
from ...settings import get_settings
settings = get_settings()
# after https://github.com/napari/napari/issues/2370,
# the os.getenv can be removed (and NAPARI_CATCH_ERRORS retired)
if (
notification.severity
>= settings.application.gui_notification_level
):
cls.from_notification(notification).show()
