--- /dev/null
+import sys
+import contextlib
+import datetime
+import logging
+
+from PyQt4 import QtCore
+from PyQt4 import QtGui
+
+import misc
+
+
+_moduleLogger = logging.getLogger(__name__)
+
+
+@contextlib.contextmanager
+def notify_error(log):
+ try:
+ yield
+ except:
+ log.push_exception()
+
+
+@contextlib.contextmanager
+def notify_busy(log, message):
+ log.push_busy(message)
+ try:
+ yield
+ finally:
+ log.pop(message)
+
+
+class ErrorMessage(object):
+
+ LEVEL_ERROR = 0
+ LEVEL_BUSY = 1
+ LEVEL_INFO = 2
+
+ def __init__(self, message, level):
+ self._message = message
+ self._level = level
+ self._time = datetime.datetime.now()
+
+ @property
+ def level(self):
+ return self._level
+
+ @property
+ def message(self):
+ return self._message
+
+ def __repr__(self):
+ return "%s.%s(%r, %r)" % (__name__, self.__class__.__name__, self._message, self._level)
+
+
+class QErrorLog(QtCore.QObject):
+
+ messagePushed = QtCore.pyqtSignal()
+ messagePopped = QtCore.pyqtSignal()
+
+ def __init__(self):
+ QtCore.QObject.__init__(self)
+ self._messages = []
+
+ def push_busy(self, message):
+ _moduleLogger.info("Entering state: %s" % message)
+ self._push_message(message, ErrorMessage.LEVEL_BUSY)
+
+ def push_message(self, message):
+ self._push_message(message, ErrorMessage.LEVEL_INFO)
+
+ def push_error(self, message):
+ self._push_message(message, ErrorMessage.LEVEL_ERROR)
+
+ def push_exception(self):
+ userMessage = str(sys.exc_info()[1])
+ _moduleLogger.exception(userMessage)
+ self.push_error(userMessage)
+
+ def pop(self, message = None):
+ if message is None:
+ del self._messages[0]
+ else:
+ _moduleLogger.info("Exiting state: %s" % message)
+ messageIndex = [
+ i
+ for (i, error) in enumerate(self._messages)
+ if error.message == message
+ ]
+ # Might be removed out of order
+ if messageIndex:
+ del self._messages[messageIndex[0]]
+ self.messagePopped.emit()
+
+ def peek_message(self):
+ return self._messages[0]
+
+ def _push_message(self, message, level):
+ self._messages.append(ErrorMessage(message, level))
+ # Sort is defined as stable, so this should be fine
+ self._messages.sort(key=lambda x: x.level)
+ self.messagePushed.emit()
+
+ def __len__(self):
+ return len(self._messages)
+
+
+class ErrorDisplay(object):
+
+ _SENTINEL_ICON = QtGui.QIcon()
+
+ def __init__(self, errorLog):
+ self._errorLog = errorLog
+ self._errorLog.messagePushed.connect(self._on_message_pushed)
+ self._errorLog.messagePopped.connect(self._on_message_popped)
+
+ self._icons = {
+ ErrorMessage.LEVEL_BUSY:
+ get_theme_icon(
+ #("process-working", "view-refresh", "general_refresh", "gtk-refresh")
+ ("view-refresh", "general_refresh", "gtk-refresh", )
+ ).pixmap(32, 32),
+ ErrorMessage.LEVEL_INFO:
+ get_theme_icon(
+ ("dialog-information", "general_notes", "gtk-info")
+ ).pixmap(32, 32),
+ ErrorMessage.LEVEL_ERROR:
+ get_theme_icon(
+ ("dialog-error", "app_install_error", "gtk-dialog-error")
+ ).pixmap(32, 32),
+ }
+ self._severityLabel = QtGui.QLabel()
+ self._severityLabel.setAlignment(QtCore.Qt.AlignLeft | QtCore.Qt.AlignVCenter)
+
+ self._message = QtGui.QLabel()
+ self._message.setText("Boo")
+ self._message.setAlignment(QtCore.Qt.AlignLeft | QtCore.Qt.AlignVCenter)
+ self._message.setWordWrap(True)
+
+ closeIcon = get_theme_icon(("window-close", "general_close", "gtk-close"), self._SENTINEL_ICON)
+ if closeIcon is not self._SENTINEL_ICON:
+ self._closeLabel = QtGui.QPushButton(closeIcon, "")
+ else:
+ self._closeLabel = QtGui.QPushButton("X")
+ self._closeLabel.clicked.connect(self._on_close)
+
+ self._controlLayout = QtGui.QHBoxLayout()
+ self._controlLayout.addWidget(self._severityLabel, 1, QtCore.Qt.AlignCenter)
+ self._controlLayout.addWidget(self._message, 1000)
+ self._controlLayout.addWidget(self._closeLabel, 1, QtCore.Qt.AlignCenter)
+
+ self._widget = QtGui.QWidget()
+ self._widget.setLayout(self._controlLayout)
+ self._widget.hide()
+
+ @property
+ def toplevel(self):
+ return self._widget
+
+ def _show_error(self):
+ error = self._errorLog.peek_message()
+ self._message.setText(error.message)
+ self._severityLabel.setPixmap(self._icons[error.level])
+ self._widget.show()
+
+ @QtCore.pyqtSlot()
+ @QtCore.pyqtSlot(bool)
+ @misc.log_exception(_moduleLogger)
+ def _on_close(self, checked = False):
+ self._errorLog.pop()
+
+ @QtCore.pyqtSlot()
+ @misc.log_exception(_moduleLogger)
+ def _on_message_pushed(self):
+ self._show_error()
+
+ @QtCore.pyqtSlot()
+ @misc.log_exception(_moduleLogger)
+ def _on_message_popped(self):
+ if len(self._errorLog) == 0:
+ self._message.setText("")
+ self._widget.hide()
+ else:
+ self._show_error()
+
+
+class QHtmlDelegate(QtGui.QStyledItemDelegate):
+
+ UNDEFINED_SIZE = -1
+
+ def __init__(self, *args, **kwd):
+ QtGui.QStyledItemDelegate.__init__(*((self, ) + args), **kwd)
+ self._width = self.UNDEFINED_SIZE
+
+ def paint(self, painter, option, index):
+ newOption = QtGui.QStyleOptionViewItemV4(option)
+ self.initStyleOption(newOption, index)
+ if newOption.widget is not None:
+ style = newOption.widget.style()
+ else:
+ style = QtGui.QApplication.style()
+
+ doc = QtGui.QTextDocument()
+ doc.setHtml(newOption.text)
+ doc.setTextWidth(newOption.rect.width())
+
+ newOption.text = ""
+ style.drawControl(QtGui.QStyle.CE_ItemViewItem, newOption, painter)
+
+ ctx = QtGui.QAbstractTextDocumentLayout.PaintContext()
+ if newOption.state & QtGui.QStyle.State_Selected:
+ ctx.palette.setColor(
+ QtGui.QPalette.Text,
+ newOption.palette.color(
+ QtGui.QPalette.Active,
+ QtGui.QPalette.HighlightedText
+ )
+ )
+ else:
+ ctx.palette.setColor(
+ QtGui.QPalette.Text,
+ newOption.palette.color(
+ QtGui.QPalette.Active,
+ QtGui.QPalette.Text
+ )
+ )
+
+ textRect = style.subElementRect(QtGui.QStyle.SE_ItemViewItemText, newOption)
+ painter.save()
+ painter.translate(textRect.topLeft())
+ painter.setClipRect(textRect.translated(-textRect.topLeft()))
+ doc.documentLayout().draw(painter, ctx)
+ painter.restore()
+
+ def setWidth(self, width):
+ # @bug we need to be emitting sizeHintChanged but it requires an index
+ self._width = width
+
+ def sizeHint(self, option, index):
+ newOption = QtGui.QStyleOptionViewItemV4(option)
+ self.initStyleOption(newOption, index)
+
+ doc = QtGui.QTextDocument()
+ doc.setHtml(newOption.text)
+ if self._width != self.UNDEFINED_SIZE:
+ width = self._width
+ else:
+ width = newOption.rect.width()
+ doc.setTextWidth(width)
+ size = QtCore.QSize(doc.idealWidth(), doc.size().height())
+ return size
+
+
+def _null_set_stackable(window, isStackable):
+ pass
+
+
+def _maemo_set_stackable(window, isStackable):
+ window.setAttribute(QtCore.Qt.WA_Maemo5StackedWindow, isStackable)
+
+
+try:
+ QtCore.Qt.WA_Maemo5StackedWindow
+ set_stackable = _maemo_set_stackable
+except AttributeError:
+ set_stackable = _null_set_stackable
+
+
+def _null_set_autorient(window, isStackable):
+ pass
+
+
+def _maemo_set_autorient(window, isStackable):
+ window.setAttribute(QtCore.Qt.WA_Maemo5AutoOrientation, isStackable)
+
+
+try:
+ QtCore.Qt.WA_Maemo5AutoOrientation
+ set_autorient = _maemo_set_autorient
+except AttributeError:
+ set_autorient = _null_set_autorient
+
+
+def screen_orientation():
+ geom = QtGui.QApplication.desktop().screenGeometry()
+ if geom.width() <= geom.height():
+ return QtCore.Qt.Vertical
+ else:
+ return QtCore.Qt.Horizontal
+
+
+def _null_set_window_orientation(window, orientation):
+ pass
+
+
+def _maemo_set_window_orientation(window, orientation):
+ if orientation == QtCore.Qt.Vertical:
+ oldHint = QtCore.Qt.WA_Maemo5LandscapeOrientation
+ newHint = QtCore.Qt.WA_Maemo5PortraitOrientation
+ elif orientation == QtCore.Qt.Horizontal:
+ oldHint = QtCore.Qt.WA_Maemo5PortraitOrientation
+ newHint = QtCore.Qt.WA_Maemo5LandscapeOrientation
+ window.setAttribute(oldHint, False)
+ window.setAttribute(newHint, True)
+
+
+try:
+ QtCore.Qt.WA_Maemo5LandscapeOrientation
+ QtCore.Qt.WA_Maemo5PortraitOrientation
+ set_window_orientation = _maemo_set_window_orientation
+except AttributeError:
+ set_window_orientation = _null_set_window_orientation
+
+
+def _null_show_progress_indicator(window, isStackable):
+ pass
+
+
+def _maemo_show_progress_indicator(window, isStackable):
+ window.setAttribute(QtCore.Qt.WA_Maemo5ShowProgressIndicator, isStackable)
+
+
+try:
+ QtCore.Qt.WA_Maemo5ShowProgressIndicator
+ show_progress_indicator = _maemo_show_progress_indicator
+except AttributeError:
+ show_progress_indicator = _null_show_progress_indicator
+
+
+def _null_mark_numbers_preferred(widget):
+ pass
+
+
+def _newqt_mark_numbers_preferred(widget):
+ widget.setInputMethodHints(QtCore.Qt.ImhPreferNumbers)
+
+
+try:
+ QtCore.Qt.ImhPreferNumbers
+ mark_numbers_preferred = _newqt_mark_numbers_preferred
+except AttributeError:
+ mark_numbers_preferred = _null_mark_numbers_preferred
+
+
+def _null_get_theme_icon(iconNames, fallback = None):
+ icon = fallback if fallback is not None else QtGui.QIcon()
+ return icon
+
+
+def _newqt_get_theme_icon(iconNames, fallback = None):
+ for iconName in iconNames:
+ if QtGui.QIcon.hasThemeIcon(iconName):
+ icon = QtGui.QIcon.fromTheme(iconName)
+ break
+ else:
+ icon = fallback if fallback is not None else QtGui.QIcon()
+ return icon
+
+
+try:
+ QtGui.QIcon.fromTheme
+ get_theme_icon = _newqt_get_theme_icon
+except AttributeError:
+ get_theme_icon = _null_get_theme_icon
+
projects / gonvert / blobdiff