def status_bar(qtbot):
"""Set up StatusBarWidget."""
win = QMainWindow()
win.setWindowTitle("Status widgets test")
win.resize(900, 300)
statusbar = win.statusBar()
qtbot.addWidget(win)
return (win, statusbar)
def status_bar(qtbot):
"""Set up StatusBarWidget."""
win = QMainWindow()
win.setWindowTitle("Status widgets test")
win.resize(900, 300)
statusbar = win.statusBar()
qtbot.addWidget(win)
return (win, statusbar)
def test():
from qtpy.QtWidgets import QMainWindow
from spyder.utils.qthelpers import qapplication
app = qapplication(test_time=5)
win = QMainWindow()
win.setWindowTitle("Status widgets test")
win.resize(900, 300)
statusbar = win.statusBar()
status_widgets = []
for status_class in (MemoryStatus, CPUStatus):
status_widget = status_class(win, statusbar)
status_widgets.append(status_widget)
win.show()
app.exec_()
def test():
from qtpy.QtWidgets import QMainWindow
from spyder.utils.qthelpers import qapplication
app = qapplication(test_time=5)
win = QMainWindow()
win.setWindowTitle("Status widgets test")
win.resize(900, 300)
statusbar = win.statusBar()
status_widgets = []
for status_class in (MemoryStatus, CPUStatus):
status_widget = status_class(win, statusbar)
status_widgets.append(status_widget)
win.show()
app.exec_()
def test():
from qtpy.QtWidgets import QMainWindow
from spyderlib.utils.qthelpers import qapplication
app = qapplication(test_time=5)
win = QMainWindow()
win.setWindowTitle("Status widgets test")
win.resize(900, 300)
statusbar = win.statusBar()
swidgets = []
for klass in (ReadWriteStatus, EOLStatus, EncodingStatus,
CursorPositionStatus, MemoryStatus, CPUStatus):
swidget = klass(win, statusbar)
swidgets.append(swidget)
win.show()
app.exec_()
def test():
from qtpy.QtWidgets import QMainWindow
from spyder.utils.qthelpers import qapplication
app = qapplication(test_time=5)
win = QMainWindow()
win.setWindowTitle("Status widgets test")
win.resize(900, 300)
statusbar = win.statusBar()
swidgets = []
for klass in (ReadWriteStatus, EOLStatus, EncodingStatus,
CursorPositionStatus, MemoryStatus, CPUStatus):
swidget = klass(win, statusbar)
swidgets.append(swidget)
win.show()
app.exec_()
class Window:
"""Application window that contains the menu bar and viewer.
Parameters
----------
qt_viewer : QtViewer
Contained viewer widget.
Attributes
----------
qt_viewer : QtViewer
Contained viewer widget.
"""
def __init__(self, qt_viewer, *, show=True):
self.qt_viewer = qt_viewer
self._qt_window = QMainWindow()
self._qt_window.setUnifiedTitleAndToolBarOnMac(True)
self._qt_center = QWidget()
self._qt_window.setCentralWidget(self._qt_center)
self._qt_window.setWindowTitle(self.qt_viewer.viewer.title)
self._qt_center.setLayout(QHBoxLayout())
self._status_bar = self._qt_window.statusBar()
self._qt_window.closeEvent = self.closeEvent
self.close = self._qt_window.close
self._add_menubar()
self._add_file_menu()
self._add_view_menu()
self._add_window_menu()
self._status_bar.showMessage('Ready')
self._help = QLabel('')
self._status_bar.addPermanentWidget(self._help)
self._qt_center.layout().addWidget(self.qt_viewer)
self._qt_center.layout().setContentsMargins(4, 0, 4, 0)
self._update_palette(qt_viewer.viewer.palette)
self.qt_viewer.viewer.events.status.connect(self._status_changed)
self.qt_viewer.viewer.events.help.connect(self._help_changed)
self.qt_viewer.viewer.events.title.connect(self._title_changed)
self.qt_viewer.viewer.events.palette.connect(
lambda event: self._update_palette(event.palette))
if show:
self.show()
def _add_menubar(self):
self.main_menu = self._qt_window.menuBar()
# Menubar shortcuts are only active when the menubar is visible.
# Therefore, we set a global shortcut not associated with the menubar
# to toggle visibility, *but*, in order to not shadow the menubar
# shortcut, we disable it, and only enable it when the menubar is
# hidden. See this stackoverflow link for details:
# https://stackoverflow.com/questions/50537642/how-to-keep-the-shortcuts-of-a-hidden-widget-in-pyqt5
self._main_menu_shortcut = QShortcut(QKeySequence('Ctrl+M'),
self._qt_window)
self._main_menu_shortcut.activated.connect(
self._toggle_menubar_visible)
self._main_menu_shortcut.setEnabled(False)
def _toggle_menubar_visible(self):
"""Toggle visibility of app menubar.
This function also disables or enables a global keyboard shortcut to
show the menubar, since menubar shortcuts are only available while the
menubar is visible.
"""
if self.main_menu.isVisible():
self.main_menu.setVisible(False)
self._main_menu_shortcut.setEnabled(True)
else:
self.main_menu.setVisible(True)
self._main_menu_shortcut.setEnabled(False)
def _add_file_menu(self):
open_images = QAction('Open', self._qt_window)
open_images.setShortcut('Ctrl+O')
open_images.setStatusTip('Open image file(s)')
open_images.triggered.connect(self.qt_viewer._open_images)
self.file_menu = self.main_menu.addMenu('&File')
self.file_menu.addAction(open_images)
def _add_view_menu(self):
toggle_visible = QAction('Toggle menubar visibility', self._qt_window)
toggle_visible.setShortcut('Ctrl+M')
toggle_visible.setStatusTip('Hide Menubar')
toggle_visible.triggered.connect(self._toggle_menubar_visible)
self.view_menu = self.main_menu.addMenu('&View')
self.view_menu.addAction(toggle_visible)
def _add_window_menu(self):
exit_action = QAction("Close window", self._qt_window)
exit_action.setShortcut("Ctrl+W")
exit_action.setStatusTip('Close napari window')
exit_action.triggered.connect(self._qt_window.close)
self.window_menu = self.main_menu.addMenu('&Window')
self.window_menu.addAction(exit_action)
def resize(self, width, height):
"""Resize the window.
Parameters
----------
width : int
Width in logical pixels.
height : int
Height in logical pixels.
"""
self._qt_window.resize(width, height)
def show(self):
"""Resize, show, and bring forward the window.
"""
self._qt_window.resize(self._qt_window.layout().sizeHint())
self._qt_window.show()
self._qt_window.raise_()
def _update_palette(self, palette):
# set window styles which don't use the primary stylesheet
# FIXME: this is a problem with the stylesheet not using properties
self._status_bar.setStyleSheet(
template(
'QStatusBar { background: {{ background }}; '
'color: {{ text }}; }',
**palette,
))
self._qt_center.setStyleSheet(
template('QWidget { background: {{ background }}; }', **palette))
def _status_changed(self, event):
"""Update status bar.
"""
self._status_bar.showMessage(event.text)
def _title_changed(self, event):
"""Update window title.
"""
self._qt_window.setWindowTitle(event.text)
def _help_changed(self, event):
"""Update help message on status bar.
"""
self._help.setText(event.text)
def closeEvent(self, event):
# Forward close event to the console to trigger proper shutdown
self.qt_viewer.console.shutdown()
event.accept()
class Window:
"""Application window that contains the menu bar and viewers.
Parameters
----------
viewer : Viewer
Contained viewer.
Attributes
----------
viewer : Viewer
Contained viewer.
"""
def __init__(self, viewer, show=True):
self._qt_window = QMainWindow()
self._qt_window.setUnifiedTitleAndToolBarOnMac(True)
self._qt_center = QWidget()
self._qt_window.setCentralWidget(self._qt_center)
self._qt_window.setWindowTitle(viewer.title)
self._qt_center.setLayout(QHBoxLayout())
self._status_bar = self._qt_window.statusBar()
self._status_bar.showMessage('Ready')
self._help = QLabel('')
self._status_bar.addPermanentWidget(self._help)
self._status_bar.setStyleSheet("""QStatusBar { background: %s;
color: %s}""" % (palette['background'], palette['text']))
self.viewer = viewer
self._qt_center.layout().addWidget(self.viewer._qtviewer)
self._qt_center.layout().setContentsMargins(4, 0, 4, 0)
self._qt_center.setStyleSheet('QWidget { background: %s;}' %
palette['background'])
self.viewer.events.status.connect(self._status_changed)
self.viewer.events.help.connect(self._help_changed)
self.viewer.events.title.connect(self._title_changed)
if show:
self.show()
def resize(self, width, height):
"""Resize the window.
Parameters
----------
width : int
Width in logical pixels.
height : int
Height in logical pixels.
"""
self._qt_window.resize(width, height)
def show(self):
"""Resize, show, and bring forward the window.
"""
self._qt_window.resize(self._qt_window.layout().sizeHint())
self._qt_window.show()
self._qt_window.raise_()
def _status_changed(self, event):
"""Update status bar.
"""
self._status_bar.showMessage(event.text)
def _title_changed(self, event):
"""Update window title.
"""
self._qt_window.setWindowTitle(event.text)
def _help_changed(self, event):
"""Update help message on status bar.
"""
self._help.setText(event.text)