TaurusMainWindow
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- class TaurusMainWindow(parent=None, designMode=False, splash=None)[source]
A Taurus-aware QMainWindow with several customizations:
It takes care of (re)storing its geometry and state (see
loadSettings()
)Supports perspectives (programmatic access and, optionally, accessible by user), and allows defining a set of “factory settings”
It provides a customizable splashScreen (optional)
Supports spawning remote consoles and remote debugging
Supports full-screen mode toggling
Supports adding launchers to external applications
It provides a statusBar with an optional heart-beat LED
The following Menus are optionally provided and populated with basic actions:
File (accessible by derived classes as self.fileMenu)
View (accessible by derived classes as self.viewMenu)
Taurus (accessible by derived classes as self.taurusMenu)
Tools (accessible by derived classes as self.toolsMenu)
Help (accessible by derived classes as self.helpMenu)
Import from
taurus.qt.qtgui.container
as:from taurus.qt.qtgui.container import TaurusMainWindow
- FILE_MENU_ENABLED = True
Whether to show the File menu
- FULLSCREEN_TOOLBAR_ENABLED = True
Whether to show the Full Screen Toolbar
- HEARTBEAT = 1500
Heartbeat LED blinking semi-period in ms. Set to None for not showing it
- HELP_MENU_ENABLED = True
Whether to show the Help menu
- LOGGER_WIDGET_ENABLED = True
Whether add a dockwidget with the logger widget
- SPLASH_LOGO_NAME = 'large:TaurusSplash.png'
Name of logo image for splash screen. Set to None for disabling splash
- SPLASH_MESSAGE = 'Initializing Main window...'
Message for splash screen
- TAURUS_MENU_ENABLED = True
Whether to show the Taurus menu
- TOOLS_MENU_ENABLED = True
Whether to show the Tools menu
- USER_PERSPECTIVES_ENABLED = True
Whether to show actions for user perspectives
- VIEW_MENU_ENABLED = True
Whether to show the View menu
- addExternalAppLauncher(extapp, toToolBar=True, toMenu=True)[source]
Adds launchers for an external application to the Tools Menu and/or to the Tools ToolBar.
- Parameters
extapp (ExternalAppAction or list<str>) – the external application to be launched passed as a
ExternalAppAction
(recommended because it allows to specify custom text and icon) or, alternatively, as a list of strings (sys.argv- like) that will be passed tosubprocess.Popen()
.toToolBar (bool) – If True (default) a button will be added in the Tools toolBar
toMenu (bool) – If True (default) an entry will be added in the Tools Menu, under the “External Applications” submenu
See also
ExternalAppAction
- addLoggerWidget(hidden=True)[source]
adds a QLoggingWidget as a dockwidget of the main window (and hides it by default)
- basicTaurusToolbar()[source]
returns a QToolBar with few basic buttons (most important, the logo)
- Returns
- Return type
QToolBar
- checkSingleInstance(key=None)[source]
Tries to connect via a QLocalSocket to an existing application with the given key. If another instance already exists (i.e. the connection succeeds), it means that this application is not the only one
- contextMenuEvent(event)[source]
Reimplemented to avoid deprecation warning related to: https://gitlab.com/taurus-org/taurus/-/issues/905
- deleteExternalAppLauncher(action)[source]
Remove launchers for an external application to the Tools Menu and/or to the Tools ToolBar.
- Parameters
extapp (ExternalAppAction) – the external application to be removed passed as a
ExternalAppAction
- exportSettingsFile(fname=None)[source]
copies the current settings file into the given file name.
- Parameters
fname (str) – name of output file. If None given, a file dialog will be shown.
- getFactorySettingsFileName()[source]
returns the file name of the “factory settings” (the ini file with default settings). The default implementation returns “<path>/<appname>.ini”, where <path> is the path of the module where the main window class is defined and <appname> is the application name (as obtained from QApplication).
- Returns
the absolute file name.
- Return type
str
- getPerspectivesList(settings=None)[source]
Returns the list of saved perspectives
- Parameters
settings (QSettings or None) – a QSettings object. If None given, the default one returned by
getQSettings()
will be used- Returns
the list of the names of the currently saved perspectives
- Return type
QStringList
- getQSettings()[source]
Returns the main window settings object. If it was not previously set, it will create a new QSettings object following the Taurus convention i.e., it using Ini format and userScope)
- Returns
the main window QSettings object
- Return type
QSettings
- classmethod getQtDesignerPluginInfo()[source]
Returns pertinent information in order to be able to build a valid QtDesigner widget plugin.
The dictionary returned by this method should contain at least the following keys and values:
‘module’ : a string representing the full python module name (ex.: ‘taurus.qt.qtgui.base’)
‘icon’ : a string representing valid resource icon (ex.: ‘designer:combobox.png’)
- ‘container’a bool telling if this widget is a container widget or
not.
This default implementation returns the following dictionary:
{ 'group' : 'Taurus [Unclassified]', 'icon' : 'logos:taurus.png', 'container' : False }
- Returns
a map with pertinent designer information
- Return type
dict
- heartbeat
returns the heart beat interval
- helpManualURI
- importSettingsFile(fname=None)[source]
loads settings (including importing all perspectives) from a given ini file. It warns before overwriting an existing perspective.
- Parameters
fname (str) – name of ini file. If None given, a file dialog will be shown.
- loadPerspective(name=None, settings=None)[source]
Loads the settings saved for the given perspective. It emits a ‘perspectiveChanged’ signal with name as its parameter
- Parameters
name (str) – name of the perspective
settings (QSettings or None) – a QSettings object. If None given, the default one returned by
getQSettings()
will be used
- loadSettings(settings=None, group=None, ignoreGeometry=False, factorySettingsFileName=None)[source]
restores the application settings previously saved with
saveSettings()
.Note
This method should be called explicitly from derived classes after all initialization is done
- Parameters
settings (QSettings or None) – a QSettings object. If None given, the default one returned by
getQSettings()
will be usedgroup (str) – a prefix that will be added to the keys to be loaded (no prefix by default)
ignoreGeometry (bool) – if True, the geometry of the MainWindow won’t be restored
factorySettingsFileName (str) – file name of a ini file containing the default settings to be used as a fallback in case the settings file is not found (e.g., the first time the application is launched after installation)
- model
Returns the model name for this component.
- Returns
the model name.
- Return type
str
- modelChanged
- newQSettings()[source]
Returns a settings taurus-specific QSettings object. The returned QSettings object will comply with the Taurus defaults for storing application settings (i.e., it uses Ini format and userScope)
- Returns
a taurus-specific QSettings object
- Return type
QSettings
- onIncommingSocketConnection()[source]
Slot to be called when another application/instance with the same key checks if this application exists.
Note
This is a dummy implementation which just logs the connection and discards the associated socket You may want to reimplement this if you want to act on such connections
- perspectiveChanged
- removePerspective(name=None, settings=None)[source]
removes the given perspective from the settings
- Parameters
name (str) – name of the perspective
settings (QSettings or None) – a QSettings object. If None given, the default one returned by
getQSettings()
will be used
- savePerspective(name=None)[source]
Stores current state of the application as a perspective with the given name
- Parameters
name (str) – name of the perspective
- saveSettings(group=None)[source]
saves the application settings (so that they can be restored with
loadSettings()
)Note
this method is automatically called by default when closing the window, so in general there is no need to call it from derived classes
- Parameters
group (str) – a prefix that will be added to the keys to be saved (no prefix by default)
- setHeartbeat(interval)[source]
sets the interval of the heartbeat LED for the window. The heartbeat is displayed by a Led in the status bar unless it is disabled by setting the interval to 0
- Parameters
interval (int) – heart beat interval in millisecs. Set to 0 to disable
- setQSettings(settings)[source]
sets the main window settings object
- Parameters
settings (QSettings or None) –
See also
- showQuality
Returns if showing the quality as a background color
- Returns
True if showing the quality or False otherwise
- Return type
bool
- tangoHost
- updatePerspectivesMenu()[source]
re-checks the perspectives available to update self.perspectivesMenu
Note
This method may need be called by derived classes at the end of their initialization.
- Returns
the updated perspectives menu (or None if self.USER_PERSPECTIVES_ENABLED is False)
- Return type
QMenu
- useParentModel
Returns whether this component is using the parent model
- Returns
True if using parent model or False otherwise
- Return type
bool