def getPlugins():
"""Returns a map with all custom widget plugins."""
widgets = {}
plugins = {}
qarbon_dir = moduleDirectory(qarbon)
base_widget_dir = os.path.join(qarbon_dir, "qt", "gui")
base_package = "qarbon.qt.gui."
for filename in os.listdir(base_widget_dir):
if filename.startswith(".") or filename.startswith("_") or \
not filename.endswith(".py"):
continue
fullpath = os.path.join(base_widget_dir, filename)
if not os.path.isfile(fullpath):
continue
modulename = base_package + os.path.splitext(filename)[0]
try:
widgets.update(getWidgetClasses(modulename))
except ImportError:
log.warning("Error importing %s", modulename)
for _, widget_info in widgets.items():
widget_klass = widget_info["klass"]
widget_name = widget_info['name']
info_func = getattr(widget_klass, "getQtDesignerPluginInfo", None)
if info_func is None:
continue
info = info_func()
if isinstance(info, collections.Mapping):
plugin_klass = __build_qtdesigner_widget_plugin(widget_klass)
plugin_klass_name = plugin_klass.__name__
#globals()[plugin_klass_name] = plugin_klass
plugins[plugin_klass_name] = plugin_klass
return plugins
def getPlugins():
"""Returns a map with all custom widget plugins."""
widgets = {}
plugins = {}
qarbon_dir = moduleDirectory(qarbon)
base_widget_dir = os.path.join(qarbon_dir, "qt", "gui")
base_package = "qarbon.qt.gui."
for filename in os.listdir(base_widget_dir):
if filename.startswith(".") or filename.startswith("_") or \
not filename.endswith(".py"):
continue
fullpath = os.path.join(base_widget_dir, filename)
if not os.path.isfile(fullpath):
continue
modulename = base_package + os.path.splitext(filename)[0]
try:
widgets.update(getWidgetClasses(modulename))
except ImportError:
log.warning("Error importing %s", modulename)
for _, widget_info in widgets.items():
widget_klass = widget_info["klass"]
widget_name = widget_info['name']
info_func = getattr(widget_klass, "getQtDesignerPluginInfo", None)
if info_func is None:
continue
info = info_func()
if isinstance(info, collections.Mapping):
plugin_klass = __build_qtdesigner_widget_plugin(widget_klass)
plugin_klass_name = plugin_klass.__name__
#globals()[plugin_klass_name] = plugin_klass
plugins[plugin_klass_name] = plugin_klass
return plugins
def __onPropertyTreeChanged(self, item, column):
if column != 2:
return
qobject = self.qobject
if qobject is None:
log.warning("qobject disappeared while trying to set a property " \
"on it")
return
prop_name = item.data(column, QtCore.Qt.UserRole)
prop_value = item.data(column, QtCore.Qt.DisplayRole)
qobject.setProperty(prop_name, prop_value)
def grabWidget(widget, fileName, period=None):
"""Grabs the given widget into the given image filename. If period is
None (default) it grabs immediately once and returns.
If period is given and >0 means grab the image every period (in seconds).
.. warning::
this method **MUST** be called from the same thread which created
the widget
:param widget: the Qt widget to be grabbed
:type widget: QtWidget
:param fileName: the name of the image file
:type fileName: str
:param period: period (seconds)
:type period: float
"""
if period is None:
widgetName = widget.objectName()
widgetTitle = widget.windowTitle()
log.debug("Grabbing widget '%s' to '%s':", widgetName, fileName)
try:
pixmap = QtGui.QPixmap.grabWidget(widget)
if fileName.endswith(".svg"):
import qarbon.external.qt.QtSvg
generator = qarbon.external.qt.QtSvg.QSvgGenerator()
generator.setFileName(fileName)
generator.setSize(pixmap.size())
if hasattr(generator, "setViewBox"):
viewBox = QtCore.QRect(QtCore.QPoint(0, 0), pixmap.size())
generator.setViewBox(viewBox)
title = "Qarbon widget"
if widgetTitle:
title += " - " + widgetTitle
elif widgetName:
title += " - " + widgetName
desc = "An SVG created by the qarbon widget grabber"
generator.setTitle(title)
generator.setDescription(desc)
painter = QtGui.QPainter()
painter.begin(generator)
try:
painter.drawPixmap(0, 0, -1, -1, pixmap)
finally:
painter.end()
else:
pixmap.save(fileName, quality=100)
except Exception:
log.warning("Could not save file into '%s':", fileName)
log.debug("Details:", exc_info=1)
ret = __GrabberThread(widget, fileName, period)
ret.start()
return ret
def __onPropertyTreeChanged(self, item, column):
if column != 2:
return
qobject = self.qobject
if qobject is None:
log.warning("qobject disappeared while trying to set a property " \
"on it")
return
prop_name = item.data(column, QtCore.Qt.UserRole)
prop_value = item.data(column, QtCore.Qt.DisplayRole)
qobject.setProperty(prop_name, prop_value)
def grabWidget(widget, fileName, period=None):
"""Grabs the given widget into the given image filename. If period is
None (default) it grabs immediately once and returns.
If period is given and >0 means grab the image every period (in seconds).
.. warning::
this method **MUST** be called from the same thread which created
the widget
:param widget: the Qt widget to be grabbed
:type widget: QtWidget
:param fileName: the name of the image file
:type fileName: str
:param period: period (seconds)
:type period: float
"""
if period is None:
widgetName = widget.objectName()
widgetTitle = widget.windowTitle()
log.debug("Grabbing widget '%s' to '%s':", widgetName, fileName)
try:
pixmap = QtGui.QPixmap.grabWidget(widget)
if fileName.endswith('.svg'):
import qarbon.external.qt.QtSvg
generator = qarbon.external.qt.QtSvg.QSvgGenerator()
generator.setFileName(fileName)
generator.setSize(pixmap.size())
if hasattr(generator, 'setViewBox'):
viewBox = QtCore.QRect(QtCore.QPoint(0, 0), pixmap.size())
generator.setViewBox(viewBox)
title = "Qarbon widget"
if widgetTitle:
title += " - " + widgetTitle
elif widgetName:
title += " - " + widgetName
desc = "An SVG created by the qarbon widget grabber"
generator.setTitle(title)
generator.setDescription(desc)
painter = QtGui.QPainter()
painter.begin(generator)
try:
painter.drawPixmap(0, 0, -1, -1, pixmap)
finally:
painter.end()
else:
pixmap.save(fileName, quality=100)
except Exception:
log.warning("Could not save file into '%s':", fileName)
log.debug("Details:", exc_info=1)
ret = __GrabberThread(widget, fileName, period)
ret.start()
return ret
def __setPyQt4API(element, api_version=2):
try:
ver = sip.getapi(element)
except ValueError:
ver = -1
if ver < 0:
try:
sip.setapi(element, api_version)
log.debug("%s API set to version %d",
element, sip.getapi("QString"))
except ValueError:
log.warning("Error setting %s API to version %s", element,
api_version, exc_info=1)
return False
elif ver < api_version:
log.info("%s API set to version %s (advised: version >= %s)",
element, ver, api_version)
return True
def __preparePyQt4():
# In python 3 both QString and QVariant API are set to level 2 so
# nothing to do
if sys.version_info[0] > 2:
return __import("PyQt4")
# For PySide compatibility, use the new-style string API that
# automatically converts QStrings to Unicode Python strings. Also,
# automatically unpack QVariants to their underlying objects.
if sip is None:
log.warning("Could not find sip")
elif sip.SIP_VERSION < 0x040900:
sip_ver = sip.SIP_VERSION_STR
log.warning("Using old sip %s (advised >= 4.9)", sip_ver)
else:
__setPyQt4API("QString", 2)
__setPyQt4API("QVariant", 2)
return __import("PyQt4")
def __preparePyQt4():
# In python 3 both QString and QVariant API are set to level 2 so
# nothing to do
if sys.version_info[0] > 2:
return __import("PyQt4")
# For PySide compatibility, use the new-style string API that
# automatically converts QStrings to Unicode Python strings. Also,
# automatically unpack QVariants to their underlying objects.
if sip is None:
log.warning("Could not find sip")
elif sip.SIP_VERSION < 0x040900:
sip_ver = sip.SIP_VERSION_STR
log.warning("Using old sip %s (advised >= 4.9)", sip_ver)
else:
__setPyQt4API("QString", 2)
__setPyQt4API("QVariant", 2)
return __import("PyQt4")
def __setPyQt4API(element, api_version=2):
try:
ver = sip.getapi(element)
except ValueError:
ver = -1
if ver < 0:
try:
sip.setapi(element, api_version)
log.debug("%s API set to version %d", element,
sip.getapi("QString"))
except ValueError:
log.warning("Error setting %s API to version %s",
element,
api_version,
exc_info=1)
return False
elif ver < api_version:
log.info("%s API set to version %s (advised: version >= %s)", element,
ver, api_version)
return True
def __onFocus(self):
qwidget = self.qobject
if qwidget is None:
log.warning("widget disappeared while trying to set a property " \
"on it")
return
def __onFocus(self):
qwidget = self.qobject
if qwidget is None:
log.warning("widget disappeared while trying to set a property " \
"on it")
return
