class Completer(QGraphicsProxyWidget, object):
''' Class for handling text autocompletion in the SDL scene '''
def __init__(self, parent):
''' Create an autocompletion list popup '''
widget = QListWidget()
super(Completer, self).__init__(parent)
self.setWidget(widget)
self.string_list = QStringListModel()
self._completer = QCompleter()
self.parent = parent
self._completer.setCaseSensitivity(Qt.CaseInsensitive)
# For some reason the default minimum size is (61,61)
# Set it to 0 so that the size of the box is not taken
# into account when it is hidden.
self.setMinimumSize(0, 0)
self.prepareGeometryChange()
self.resize(0, 0)
self.hide()
def set_completer_list(self):
''' Set list of items for the autocompleter popup '''
compl = [item.replace('-', '_') for item in
self.parent.parentItem().completion_list]
self.string_list.setStringList(compl)
self._completer.setModel(self.string_list)
def set_completion_prefix(self, completion_prefix):
'''
Set the current completion prefix (user-entered text)
and set the corresponding list of words in the popup widget
'''
self._completer.setCompletionPrefix(completion_prefix)
self.widget().clear()
count = self._completer.completionCount()
for i in xrange(count):
self._completer.setCurrentRow(i)
self.widget().addItem(self._completer.currentCompletion())
self.prepareGeometryChange()
if count:
self.resize(self.widget().sizeHintForColumn(0) + 40, 70)
else:
self.resize(0, 0)
return count
# pylint: disable=C0103
def keyPressEvent(self, e):
super(Completer, self).keyPressEvent(e)
if e.key() == Qt.Key_Escape:
self.parentItem().setFocus()
# Consume the event so that it is not repeated at EditableText level
e.accept()
# pylint: disable=C0103
def focusOutEvent(self, event):
''' When the user leaves the popup, return focus to parent '''
super(Completer, self).focusOutEvent(event)
self.hide()
self.resize(0, 0)
self.parentItem().setFocus()
class SQLiteCompleterText(QTextEdit):
def __init__(self, parent=None):
super(SQLiteCompleterText, self).__init__(parent)
self.cp = QCompleter(words)
self.cp.setWrapAround(False)
self.cp.setWidget(self)
self.cp.setCompletionMode(QCompleter.PopupCompletion)
self.cp.activated.connect(self.insertCompletion)
def insertCompletion(self, completion):
tc = self.textCursor()
extra = len(completion) - len(self.cp.completionPrefix())
tc.movePosition(QTextCursor.Left)
tc.movePosition(QTextCursor.EndOfWord)
tc.insertText(completion[-extra:])
self.setTextCursor(tc)
def textUnderCursor(self):
tc = self.textCursor()
tc.select(QTextCursor.WordUnderCursor)
return tc.selectedText()
def focusInEvent(self, e):
self.cp.setWidget(self)
super(SQLiteCompleterText, self).focusInEvent(e)
def keyPressEvent(self, e):
if self.cp.popup().isVisible():
if e.key() in (Qt.Key_Enter, Qt.Key_Return, Qt.Key_Escape, Qt.Key_Tab, Qt.Key_Backtab):
e.ignore()
return
is_shortcut = ((e.modifiers() & Qt.ControlModifier) != 0 and e.key() == Qt.Key_E & Qt.ControlModifier)
if not is_shortcut:
super(SQLiteCompleterText, self).keyPressEvent(e)
ctrl_or_shift = e.modifiers() & (Qt.ControlModifier | Qt.ShiftModifier)
if ctrl_or_shift and len(e.text()) == 0:
return
eo = "~!@#$%^&*()_+{}|:\"<>?,./;'[]\\-="
has_modifier = (e.modifiers() != Qt.NoModifier) and not ctrl_or_shift
cp = self.textUnderCursor()
if not is_shortcut and (cp in words or has_modifier or len(e.text()) == 0 or len(cp) < 1 or e.text()[-1] in eo):
self.cp.popup().hide()
return
if cp != self.cp.completionPrefix():
self.cp.setCompletionPrefix(cp)
self.cp.popup().setCurrentIndex(self.cp.completionModel().index(0, 0))
cr = self.cursorRect()
cr.setWidth(self.cp.popup().sizeHintForColumn(0) + self.cp.popup().verticalScrollBar().sizeHint().width())
self.cp.complete(cr)
class HelpWebSearchWidget(E5ClearableLineEdit):
"""
Class implementing a web search widget for the web browser.
@signal search(QUrl) emitted when the search should be done
"""
search = pyqtSignal(QUrl)
def __init__(self, parent=None):
"""
Constructor
@param parent reference to the parent widget (QWidget)
"""
super(HelpWebSearchWidget, self).__init__(parent)
from E5Gui.E5LineEdit import E5LineEdit
from E5Gui.E5LineEditButton import E5LineEditButton
from .OpenSearch.OpenSearchManager import OpenSearchManager
self.__mw = parent
self.__openSearchManager = OpenSearchManager(self)
self.__openSearchManager.currentEngineChanged.connect(
self.__currentEngineChanged)
self.__currentEngine = ""
self.__enginesMenu = QMenu(self)
self.__engineButton = E5LineEditButton(self)
self.__engineButton.setMenu(self.__enginesMenu)
self.addWidget(self.__engineButton, E5LineEdit.LeftSide)
self.__searchButton = E5LineEditButton(self)
self.__searchButton.setIcon(UI.PixmapCache.getIcon("webSearch.png"))
self.addWidget(self.__searchButton, E5LineEdit.LeftSide)
self.__model = QStandardItemModel(self)
self.__completer = QCompleter()
self.__completer.setModel(self.__model)
self.__completer.setCompletionMode(
QCompleter.UnfilteredPopupCompletion)
self.__completer.setWidget(self)
self.__searchButton.clicked.connect(self.__searchButtonClicked)
self.textEdited.connect(self.__textEdited)
self.returnPressed.connect(self.__searchNow)
self.__completer.activated[QModelIndex].connect(
self.__completerActivated)
self.__completer.highlighted[QModelIndex].connect(
self.__completerHighlighted)
self.__enginesMenu.aboutToShow.connect(self.__showEnginesMenu)
self.__suggestionsItem = None
self.__suggestions = []
self.__suggestTimer = None
self.__suggestionsEnabled = Preferences.getHelp("WebSearchSuggestions")
self.__recentSearchesItem = None
self.__recentSearches = []
self.__maxSavedSearches = 10
self.__engine = None
self.__loadSearches()
self.__setupCompleterMenu()
self.__currentEngineChanged()
def __searchNow(self):
"""
Private slot to perform the web search.
"""
searchText = self.text()
if not searchText:
return
globalSettings = QWebSettings.globalSettings()
if not globalSettings.testAttribute(
QWebSettings.PrivateBrowsingEnabled):
if searchText in self.__recentSearches:
self.__recentSearches.remove(searchText)
self.__recentSearches.insert(0, searchText)
if len(self.__recentSearches) > self.__maxSavedSearches:
self.__recentSearches = \
self.__recentSearches[:self.__maxSavedSearches]
self.__setupCompleterMenu()
url = self.__openSearchManager.currentEngine().searchUrl(searchText)
self.search.emit(url)
def __setupCompleterMenu(self):
"""
Private method to create the completer menu.
"""
if not self.__suggestions or \
(self.__model.rowCount() > 0 and
self.__model.item(0) != self.__suggestionsItem):
self.__model.clear()
self.__suggestionsItem = None
else:
self.__model.removeRows(1, self.__model.rowCount() - 1)
boldFont = QFont()
boldFont.setBold(True)
if self.__suggestions:
if self.__model.rowCount() == 0:
if not self.__suggestionsItem:
self.__suggestionsItem = QStandardItem(
self.tr("Suggestions"))
self.__suggestionsItem.setFont(boldFont)
self.__model.appendRow(self.__suggestionsItem)
for suggestion in self.__suggestions:
self.__model.appendRow(QStandardItem(suggestion))
if not self.__recentSearches:
self.__recentSearchesItem = QStandardItem(
self.tr("No Recent Searches"))
self.__recentSearchesItem.setFont(boldFont)
self.__model.appendRow(self.__recentSearchesItem)
else:
self.__recentSearchesItem = QStandardItem(
self.tr("Recent Searches"))
self.__recentSearchesItem.setFont(boldFont)
self.__model.appendRow(self.__recentSearchesItem)
for recentSearch in self.__recentSearches:
self.__model.appendRow(QStandardItem(recentSearch))
view = self.__completer.popup()
view.setFixedHeight(view.sizeHintForRow(0) * self.__model.rowCount() +
view.frameWidth() * 2)
self.__searchButton.setEnabled(
bool(self.__recentSearches or self.__suggestions))
def __completerActivated(self, index):
"""
Private slot handling the selection of an entry from the completer.
@param index index of the item (QModelIndex)
"""
if self.__suggestionsItem and \
self.__suggestionsItem.index().row() == index.row():
return
if self.__recentSearchesItem and \
self.__recentSearchesItem.index().row() == index.row():
return
self.__searchNow()
def __completerHighlighted(self, index):
"""
Private slot handling the highlighting of an entry of the completer.
@param index index of the item (QModelIndex)
@return flah indicating a successful highlighting (boolean)
"""
if self.__suggestionsItem and \
self.__suggestionsItem.index().row() == index.row():
return False
if self.__recentSearchesItem and \
self.__recentSearchesItem.index().row() == index.row():
return False
self.setText(index.data())
return True
def __textEdited(self, txt):
"""
Private slot to handle changes of the search text.
@param txt search text (string)
"""
if self.__suggestionsEnabled:
if self.__suggestTimer is None:
self.__suggestTimer = QTimer(self)
self.__suggestTimer.setSingleShot(True)
self.__suggestTimer.setInterval(200)
self.__suggestTimer.timeout.connect(self.__getSuggestions)
self.__suggestTimer.start()
else:
self.__completer.setCompletionPrefix(txt)
self.__completer.complete()
def __getSuggestions(self):
"""
Private slot to get search suggestions from the configured search
engine.
"""
searchText = self.text()
if searchText:
self.__openSearchManager.currentEngine()\
.requestSuggestions(searchText)
def __newSuggestions(self, suggestions):
"""
Private slot to receive a new list of suggestions.
@param suggestions list of suggestions (list of strings)
"""
self.__suggestions = suggestions
self.__setupCompleterMenu()
self.__completer.complete()
def __showEnginesMenu(self):
"""
Private slot to handle the display of the engines menu.
"""
self.__enginesMenu.clear()
from .OpenSearch.OpenSearchEngineAction import OpenSearchEngineAction
engineNames = self.__openSearchManager.allEnginesNames()
for engineName in engineNames:
engine = self.__openSearchManager.engine(engineName)
action = OpenSearchEngineAction(engine, self.__enginesMenu)
action.setData(engineName)
action.triggered.connect(self.__changeCurrentEngine)
self.__enginesMenu.addAction(action)
if self.__openSearchManager.currentEngineName() == engineName:
action.setCheckable(True)
action.setChecked(True)
ct = self.__mw.currentBrowser()
linkedResources = ct.linkedResources("search")
if len(linkedResources) > 0:
self.__enginesMenu.addSeparator()
for linkedResource in linkedResources:
url = QUrl(linkedResource.href)
title = linkedResource.title
mimetype = linkedResource.type_
if mimetype != "application/opensearchdescription+xml":
continue
if url.isEmpty():
continue
if url.isRelative():
url = ct.url().resolved(url)
if not title:
if not ct.title():
title = url.host()
else:
title = ct.title()
action = self.__enginesMenu.addAction(
self.tr("Add '{0}'").format(title),
self.__addEngineFromUrl)
action.setData(url)
action.setIcon(ct.icon())
self.__enginesMenu.addSeparator()
self.__enginesMenu.addAction(self.__mw.searchEnginesAction())
if self.__recentSearches:
self.__enginesMenu.addAction(self.tr("Clear Recent Searches"),
self.clear)
def __changeCurrentEngine(self):
"""
Private slot to handle the selection of a search engine.
"""
action = self.sender()
if action is not None:
name = action.data()
self.__openSearchManager.setCurrentEngineName(name)
def __addEngineFromUrl(self):
"""
Private slot to add a search engine given its URL.
"""
action = self.sender()
if action is not None:
url = action.data()
if not isinstance(url, QUrl):
return
self.__openSearchManager.addEngine(url)
def __searchButtonClicked(self):
"""
Private slot to show the search menu via the search button.
"""
self.__setupCompleterMenu()
self.__completer.complete()
def clear(self):
"""
Public method to clear all private data.
"""
self.__recentSearches = []
self.__setupCompleterMenu()
super(HelpWebSearchWidget, self).clear()
self.clearFocus()
def preferencesChanged(self):
"""
Public method to handle the change of preferences.
"""
self.__suggestionsEnabled = Preferences.getHelp("WebSearchSuggestions")
if not self.__suggestionsEnabled:
self.__suggestions = []
self.__setupCompleterMenu()
def saveSearches(self):
"""
Public method to save the recently performed web searches.
"""
Preferences.Prefs.settings.setValue(
'Help/WebSearches', self.__recentSearches)
def __loadSearches(self):
"""
Private method to load the recently performed web searches.
"""
searches = Preferences.Prefs.settings.value('Help/WebSearches')
if searches is not None:
self.__recentSearches = searches
def openSearchManager(self):
"""
Public method to get a reference to the opensearch manager object.
@return reference to the opensearch manager object (OpenSearchManager)
"""
return self.__openSearchManager
def __currentEngineChanged(self):
"""
Private slot to track a change of the current search engine.
"""
if self.__openSearchManager.engineExists(self.__currentEngine):
oldEngine = self.__openSearchManager.engine(self.__currentEngine)
oldEngine.imageChanged.disconnect(self.__engineImageChanged)
if self.__suggestionsEnabled:
oldEngine.suggestions.disconnect(self.__newSuggestions)
newEngine = self.__openSearchManager.currentEngine()
if newEngine.networkAccessManager() is None:
newEngine.setNetworkAccessManager(self.__mw.networkAccessManager())
newEngine.imageChanged.connect(self.__engineImageChanged)
if self.__suggestionsEnabled:
newEngine.suggestions.connect(self.__newSuggestions)
self.setInactiveText(self.__openSearchManager.currentEngineName())
self.__currentEngine = self.__openSearchManager.currentEngineName()
self.__engineButton.setIcon(QIcon(QPixmap.fromImage(
self.__openSearchManager.currentEngine().image())))
self.__suggestions = []
self.__setupCompleterMenu()
def __engineImageChanged(self):
"""
Private slot to handle a change of the current search engine icon.
"""
self.__engineButton.setIcon(QIcon(QPixmap.fromImage(
self.__openSearchManager.currentEngine().image())))
def mousePressEvent(self, evt):
"""
Protected method called by a mouse press event.
@param evt reference to the mouse event (QMouseEvent)
"""
if evt.button() == Qt.XButton1:
self.__mw.currentBrowser().pageAction(QWebPage.Back).trigger()
elif evt.button() == Qt.XButton2:
self.__mw.currentBrowser().pageAction(QWebPage.Forward).trigger()
else:
super(HelpWebSearchWidget, self).mousePressEvent(evt)
class HelpWebSearchWidget(E5ClearableLineEdit):
"""
Class implementing a web search widget for the web browser.
@signal search(QUrl) emitted when the search should be done
"""
search = pyqtSignal(QUrl)
def __init__(self, parent=None):
"""
Constructor
@param parent reference to the parent widget (QWidget)
"""
super(HelpWebSearchWidget, self).__init__(parent)
from E5Gui.E5LineEdit import E5LineEdit
from E5Gui.E5LineEditButton import E5LineEditButton
from .OpenSearch.OpenSearchManager import OpenSearchManager
self.__mw = parent
self.__openSearchManager = OpenSearchManager(self)
self.__openSearchManager.currentEngineChanged.connect(
self.__currentEngineChanged)
self.__currentEngine = ""
self.__enginesMenu = QMenu(self)
self.__engineButton = E5LineEditButton(self)
self.__engineButton.setMenu(self.__enginesMenu)
self.addWidget(self.__engineButton, E5LineEdit.LeftSide)
self.__searchButton = E5LineEditButton(self)
self.__searchButton.setIcon(UI.PixmapCache.getIcon("webSearch.png"))
self.addWidget(self.__searchButton, E5LineEdit.LeftSide)
self.__model = QStandardItemModel(self)
self.__completer = QCompleter()
self.__completer.setModel(self.__model)
self.__completer.setCompletionMode(
QCompleter.UnfilteredPopupCompletion)
self.__completer.setWidget(self)
self.__searchButton.clicked.connect(self.__searchButtonClicked)
self.textEdited.connect(self.__textEdited)
self.returnPressed.connect(self.__searchNow)
self.__completer.activated[QModelIndex].connect(
self.__completerActivated)
self.__completer.highlighted[QModelIndex].connect(
self.__completerHighlighted)
self.__enginesMenu.aboutToShow.connect(self.__showEnginesMenu)
self.__suggestionsItem = None
self.__suggestions = []
self.__suggestTimer = None
self.__suggestionsEnabled = Preferences.getHelp("WebSearchSuggestions")
self.__recentSearchesItem = None
self.__recentSearches = []
self.__maxSavedSearches = 10
self.__engine = None
self.__loadSearches()
self.__setupCompleterMenu()
self.__currentEngineChanged()
def __searchNow(self):
"""
Private slot to perform the web search.
"""
searchText = self.text()
if not searchText:
return
globalSettings = QWebSettings.globalSettings()
if not globalSettings.testAttribute(
QWebSettings.PrivateBrowsingEnabled):
if searchText in self.__recentSearches:
self.__recentSearches.remove(searchText)
self.__recentSearches.insert(0, searchText)
if len(self.__recentSearches) > self.__maxSavedSearches:
self.__recentSearches = \
self.__recentSearches[:self.__maxSavedSearches]
self.__setupCompleterMenu()
url = self.__openSearchManager.currentEngine().searchUrl(searchText)
self.search.emit(url)
def __setupCompleterMenu(self):
"""
Private method to create the completer menu.
"""
if not self.__suggestions or \
(self.__model.rowCount() > 0 and
self.__model.item(0) != self.__suggestionsItem):
self.__model.clear()
self.__suggestionsItem = None
else:
self.__model.removeRows(1, self.__model.rowCount() - 1)
boldFont = QFont()
boldFont.setBold(True)
if self.__suggestions:
if self.__model.rowCount() == 0:
if not self.__suggestionsItem:
self.__suggestionsItem = QStandardItem(
self.tr("Suggestions"))
self.__suggestionsItem.setFont(boldFont)
self.__model.appendRow(self.__suggestionsItem)
for suggestion in self.__suggestions:
self.__model.appendRow(QStandardItem(suggestion))
if not self.__recentSearches:
self.__recentSearchesItem = QStandardItem(
self.tr("No Recent Searches"))
self.__recentSearchesItem.setFont(boldFont)
self.__model.appendRow(self.__recentSearchesItem)
else:
self.__recentSearchesItem = QStandardItem(
self.tr("Recent Searches"))
self.__recentSearchesItem.setFont(boldFont)
self.__model.appendRow(self.__recentSearchesItem)
for recentSearch in self.__recentSearches:
self.__model.appendRow(QStandardItem(recentSearch))
view = self.__completer.popup()
view.setFixedHeight(
view.sizeHintForRow(0) * self.__model.rowCount() +
view.frameWidth() * 2)
self.__searchButton.setEnabled(
bool(self.__recentSearches or self.__suggestions))
def __completerActivated(self, index):
"""
Private slot handling the selection of an entry from the completer.
@param index index of the item (QModelIndex)
"""
if self.__suggestionsItem and \
self.__suggestionsItem.index().row() == index.row():
return
if self.__recentSearchesItem and \
self.__recentSearchesItem.index().row() == index.row():
return
self.__searchNow()
def __completerHighlighted(self, index):
"""
Private slot handling the highlighting of an entry of the completer.
@param index index of the item (QModelIndex)
@return flah indicating a successful highlighting (boolean)
"""
if self.__suggestionsItem and \
self.__suggestionsItem.index().row() == index.row():
return False
if self.__recentSearchesItem and \
self.__recentSearchesItem.index().row() == index.row():
return False
self.setText(index.data())
return True
def __textEdited(self, txt):
"""
Private slot to handle changes of the search text.
@param txt search text (string)
"""
if self.__suggestionsEnabled:
if self.__suggestTimer is None:
self.__suggestTimer = QTimer(self)
self.__suggestTimer.setSingleShot(True)
self.__suggestTimer.setInterval(200)
self.__suggestTimer.timeout.connect(self.__getSuggestions)
self.__suggestTimer.start()
else:
self.__completer.setCompletionPrefix(txt)
self.__completer.complete()
def __getSuggestions(self):
"""
Private slot to get search suggestions from the configured search
engine.
"""
searchText = self.text()
if searchText:
self.__openSearchManager.currentEngine()\
.requestSuggestions(searchText)
def __newSuggestions(self, suggestions):
"""
Private slot to receive a new list of suggestions.
@param suggestions list of suggestions (list of strings)
"""
self.__suggestions = suggestions
self.__setupCompleterMenu()
self.__completer.complete()
def __showEnginesMenu(self):
"""
Private slot to handle the display of the engines menu.
"""
self.__enginesMenu.clear()
from .OpenSearch.OpenSearchEngineAction import OpenSearchEngineAction
engineNames = self.__openSearchManager.allEnginesNames()
for engineName in engineNames:
engine = self.__openSearchManager.engine(engineName)
action = OpenSearchEngineAction(engine, self.__enginesMenu)
action.setData(engineName)
action.triggered.connect(self.__changeCurrentEngine)
self.__enginesMenu.addAction(action)
if self.__openSearchManager.currentEngineName() == engineName:
action.setCheckable(True)
action.setChecked(True)
ct = self.__mw.currentBrowser()
linkedResources = ct.linkedResources("search")
if len(linkedResources) > 0:
self.__enginesMenu.addSeparator()
for linkedResource in linkedResources:
url = QUrl(linkedResource.href)
title = linkedResource.title
mimetype = linkedResource.type_
if mimetype != "application/opensearchdescription+xml":
continue
if url.isEmpty():
continue
if url.isRelative():
url = ct.url().resolved(url)
if not title:
if not ct.title():
title = url.host()
else:
title = ct.title()
action = self.__enginesMenu.addAction(
self.tr("Add '{0}'").format(title), self.__addEngineFromUrl)
action.setData(url)
action.setIcon(ct.icon())
self.__enginesMenu.addSeparator()
self.__enginesMenu.addAction(self.__mw.searchEnginesAction())
if self.__recentSearches:
self.__enginesMenu.addAction(self.tr("Clear Recent Searches"),
self.clear)
def __changeCurrentEngine(self):
"""
Private slot to handle the selection of a search engine.
"""
action = self.sender()
if action is not None:
name = action.data()
self.__openSearchManager.setCurrentEngineName(name)
def __addEngineFromUrl(self):
"""
Private slot to add a search engine given its URL.
"""
action = self.sender()
if action is not None:
url = action.data()
if not isinstance(url, QUrl):
return
self.__openSearchManager.addEngine(url)
def __searchButtonClicked(self):
"""
Private slot to show the search menu via the search button.
"""
self.__setupCompleterMenu()
self.__completer.complete()
def clear(self):
"""
Public method to clear all private data.
"""
self.__recentSearches = []
self.__setupCompleterMenu()
super(HelpWebSearchWidget, self).clear()
self.clearFocus()
def preferencesChanged(self):
"""
Public method to handle the change of preferences.
"""
self.__suggestionsEnabled = Preferences.getHelp("WebSearchSuggestions")
if not self.__suggestionsEnabled:
self.__suggestions = []
self.__setupCompleterMenu()
def saveSearches(self):
"""
Public method to save the recently performed web searches.
"""
Preferences.Prefs.settings.setValue('Help/WebSearches',
self.__recentSearches)
def __loadSearches(self):
"""
Private method to load the recently performed web searches.
"""
searches = Preferences.Prefs.settings.value('Help/WebSearches')
if searches is not None:
self.__recentSearches = searches
def openSearchManager(self):
"""
Public method to get a reference to the opensearch manager object.
@return reference to the opensearch manager object (OpenSearchManager)
"""
return self.__openSearchManager
def __currentEngineChanged(self):
"""
Private slot to track a change of the current search engine.
"""
if self.__openSearchManager.engineExists(self.__currentEngine):
oldEngine = self.__openSearchManager.engine(self.__currentEngine)
oldEngine.imageChanged.disconnect(self.__engineImageChanged)
if self.__suggestionsEnabled:
oldEngine.suggestions.disconnect(self.__newSuggestions)
newEngine = self.__openSearchManager.currentEngine()
if newEngine.networkAccessManager() is None:
newEngine.setNetworkAccessManager(self.__mw.networkAccessManager())
newEngine.imageChanged.connect(self.__engineImageChanged)
if self.__suggestionsEnabled:
newEngine.suggestions.connect(self.__newSuggestions)
self.setInactiveText(self.__openSearchManager.currentEngineName())
self.__currentEngine = self.__openSearchManager.currentEngineName()
self.__engineButton.setIcon(
QIcon(
QPixmap.fromImage(
self.__openSearchManager.currentEngine().image())))
self.__suggestions = []
self.__setupCompleterMenu()
def __engineImageChanged(self):
"""
Private slot to handle a change of the current search engine icon.
"""
self.__engineButton.setIcon(
QIcon(
QPixmap.fromImage(
self.__openSearchManager.currentEngine().image())))
def mousePressEvent(self, evt):
"""
Protected method called by a mouse press event.
@param evt reference to the mouse event (QMouseEvent)
"""
if evt.button() == Qt.XButton1:
self.__mw.currentBrowser().pageAction(QWebPage.Back).trigger()
elif evt.button() == Qt.XButton2:
self.__mw.currentBrowser().pageAction(QWebPage.Forward).trigger()
else:
super(HelpWebSearchWidget, self).mousePressEvent(evt)
class CompletingTextEdit(QTextEdit):
def __init__(self, parent=None):
super().__init__(parent)
self.completerSequence = QKeySequence("Ctrl+Space")
self._completer = QCompleter()
self._completer.setWidget(self)
self._completer.activated.connect(self.insertCompletion)
def insertCompletion(self, completion):
if self._completer.widget() is not self:
return
tc = self.textCursor()
extra = len(completion) - len(self._completer.completionPrefix())
tc.movePosition(QTextCursor.Left)
tc.movePosition(QTextCursor.EndOfWord)
tc.insertText(completion[-extra:])
self.setTextCursor(tc)
def textUnderCursor(self):
tc = self.textCursor()
tc.select(QTextCursor.WordUnderCursor)
return tc.selectedText()
def loadFromFile(self, fileName):
f = QFile(fileName)
if not f.open(QFile.ReadOnly):
model = QStringListModel()
self._completer.setModel(model)
QApplication.setOverrideCursor(QCursor(Qt.WaitCursor))
words = []
while not f.atEnd():
line = f.readLine().trimmed()
if line.length() != 0:
try:
line = str(line, encoding='utf-8')
except TypeError:
line = str(line)
words.append(line)
QApplication.restoreOverrideCursor()
model = QStringListModel(words)
self._completer.setModel(model)
def loadFromList(self, words):
model = QStringListModel(words)
self._completer.setModel(model)
def keyPressEvent(self, e):
if self._completer.popup().isVisible():
# The following keys are forwarded by the completer to the widget.
if e.key() in (Qt.Key_Enter, Qt.Key_Return, Qt.Key_Escape,
Qt.Key_Tab, Qt.Key_Backtab):
e.ignore()
# Let the completer do default behavior.
return
newSeq = QKeySequence(e.modifiers() | e.key())
isShortcut = newSeq == self.completerSequence
if not isShortcut:
# Do not process the shortcut when we have a completer.
super().keyPressEvent(e)
return
ctrlOrShift = e.modifiers() & (Qt.ControlModifier | Qt.ShiftModifier)
if ctrlOrShift and not e.text():
return
eow = "~!@#$%^&*()_+{}|:\"<>?,./;'[]\\-="
hasModifier = (e.modifiers() != Qt.NoModifier) and not ctrlOrShift
completionPrefix = self.textUnderCursor()
if not isShortcut and (hasModifier or not e.text()
or len(completionPrefix) < 3
or e.text()[-1] in eow):
self._completer.popup().hide()
return
if completionPrefix != self._completer.completionPrefix():
self._completer.setCompletionPrefix(completionPrefix)
self._completer.popup().setCurrentIndex(
self._completer.completionModel().index(0, 0))
cr = self.cursorRect()
cr.setWidth(
self._completer.popup().sizeHintForColumn(0) +
self._completer.popup().verticalScrollBar().sizeHint().width())
self._completer.complete(cr)
class TextStatusEditComplete(TextStatusEdit):
""" Adds Completion functions to the base class
This class extends 'TextStatusEdit' by:
1. providing a QCompleter to validate lines for the
'fixupText' and 'lineChanged' signals
2. providing a popup for suggested completions as
the user is typing
3. auto-completing the line when the user selects
a suggestion.
The task of auto completion and providing suggestions
is provided directly by this class.
The task validating and cleaning up text is provided by
the PluginFinder.
"""
def __init__(self, parent: QWidget = None):
super().__init__(parent)
self._dataModel = None
self._monitorDbChanges = False
self._enableAutoCompletion = False
self._completedAndSelected = False
self._completer = QCompleter(self)
self._completer.setWidget(self)
self._completer.setWrapAround(False)
self._completer.setCompletionMode(QCompleter.PopupCompletion)
self._completer.setCaseSensitivity(Qt.CaseInsensitive)
self._completer.setFilterMode(Qt.MatchStartsWith)
self._completer.setModelSorting(
QCompleter.CaseInsensitivelySortedModel)
self._completer.activated.connect(self.replaceLine)
self._pluginFinder = PluginFinder(self._completer, self)
self.fixupText.connect(self._pluginFinder.fixupText)
self.lineChanged.connect(self._pluginFinder.setRowForLine)
QShortcut(Qt.CTRL + Qt.Key_E, self, self.toggleAutoCompletion)
QShortcut(Qt.CTRL + Qt.Key_T, self, self.suggestCompletions)
# --- Methods related to the completer's underlying data model
def setModel(self, model: QAbstractItemModel):
self._completer.setModel(model)
def _updateModelSignals(self):
""" We do not need to check for column changes due to
the way our PluginModel is structured. """
if self._dataModel is not None:
self._dataModel.rowsMoved.disconnect(self.resetData)
self._dataModel.rowsInserted.disconnect(self.resetData)
self._dataModel.rowsRemoved.disconnect(self.resetData)
self._dataModel.modelReset.disconnect(self.resetData)
self._dataModel.dataChanged.disconnect(self.resetData)
self._dataModel.layoutChanged.disconnect(self.resetData)
if self._monitorDbChanges:
self._dataModel = self._completer.model()
if self._dataModel is not None:
self._dataModel.rowsMoved.connect(self.resetData)
self._dataModel.rowsInserted.connect(self.resetData)
self._dataModel.rowsRemoved.connect(self.resetData)
self._dataModel.modelReset.connect(self.resetData)
self._dataModel.dataChanged.connect(self.resetData)
self._dataModel.layoutChanged.connect(self.resetData)
else:
self._dataModel = None
def monitorDbChanges(self, enable: bool):
""" Enable invalidating line status when
the data model changes.
Depending on the underlying data model, it may
be unnecessary to monitor these changes, or, a
higher level class can monitor specific signals
more efficiently. So, this is not enabled
by default. """
if self._monitorDbChanges == enable:
return
self._monitorDbChanges = enable
if enable:
self._dataModel = self._completer.model()
self._completer.completionModel().sourceModelChanged.connect(
self._updateModelSignals)
else:
self._completer.completionModel().sourceModelChanged.disconnect(
self._updateModelSignals)
self._updateModelSignals()
# ---- Methods related to line completion
def completer(self):
return self._completer
def enableAutoCompletion(self, enable: bool):
self._enableAutoCompletion = enable
def toggleAutoCompletion(self):
self.enableAutoCompletion(not self._enableAutoCompletion)
def _textUnderCursor(self):
tc = self.textCursor()
if tc.positionInBlock() == 0 and len(tc.block().text()) > 1:
tc.movePosition(QTextCursor.NextCharacter)
tc.movePosition(QTextCursor.StartOfLine, QTextCursor.KeepAnchor)
return tc.selectedText().lstrip()
def suggestCompletions(self):
if self.isLineInvalid(self.textCursor().blockNumber()):
self._suggestCompletionsForText(self._textUnderCursor())
def _suggestCompletionsForText(self, prefix: str):
if not prefix:
return
if prefix != self._completer.completionPrefix():
self._completer.setCompletionPrefix(prefix)
self._completer.popup().setCurrentIndex(
self._completer.completionModel().index(0, 0))
if self._completer.completionCount() == 1:
self._insertSuggestion(self._completer.currentCompletion())
else:
rect = self.cursorRect()
rect.moveRight(self.statusAreaWidth())
rect.setWidth(
self._completer.popup().sizeHintForColumn(
self._completer.completionColumn()) +
self._completer.popup().verticalScrollBar().sizeHint().width())
self._completer.complete(rect)
def _insertSuggestion(self, text: str):
""" Only one suggestion matched, prefill line """
cursor = self.textCursor()
# handle when cursor is in middle of line
if not cursor.atBlockEnd():
cursor.beginEditBlock()
cursor.select(QTextCursor.LineUnderCursor)
cursor.removeSelectedText()
cursor.insertText(text)
cursor.movePosition(QTextCursor.StartOfLine)
cursor.movePosition(QTextCursor.EndOfLine, QTextCursor.KeepAnchor)
self._completedAndSelected = True
self.setTextCursor(cursor)
cursor.endEditBlock()
return
# handle when cursor at end of line
cursor.beginEditBlock()
numCharsToComplete = len(text) - len(
self._completer.completionPrefix())
insertionPosition = cursor.position()
cursor.movePosition(QTextCursor.EndOfLine, QTextCursor.KeepAnchor)
cursor.removeSelectedText()
cursor.insertText(text[-numCharsToComplete:])
cursor.setPosition(insertionPosition)
cursor.movePosition(QTextCursor.EndOfLine, QTextCursor.KeepAnchor)
self._completedAndSelected = True
self.setTextCursor(cursor)
cursor.endEditBlock()
def keyPressEvent(self, event: QKeyEvent):
if self._completedAndSelected and self.handledCompletedAndSelected(
event):
return
self._completedAndSelected = False
if self._completer.popup().isVisible():
ignoredKeys = [
Qt.Key_Up,
Qt.Key_Down,
Qt.Key_Enter,
Qt.Key_Return,
Qt.Key_Tab,
Qt.Key_Escape,
]
if event.key() in ignoredKeys:
event.ignore()
return
self._completer.popup().hide()
super().keyPressEvent(event)
if not self._enableAutoCompletion:
return
ctrlOrShift = (event.modifiers() & Qt.ShiftModifier == Qt.ShiftModifier
or event.modifiers() & Qt.ControlModifier
== Qt.ControlModifier)
if ctrlOrShift and not event.text():
return
if self.textCursor().atBlockEnd():
self.suggestCompletions()
def mousePressEvent(self, event: QMouseEvent):
if self._completedAndSelected:
self._completedAndSelected = False
self.document().undo()
super().mousePressEvent(event)
def handledCompletedAndSelected(self, event: QKeyEvent):
""" The line is prefilled when only one completion matches. The user
can accept the suggestion by pressing 'Enter'. The user can reject
the suggestion by pressing 'Esc' or by continuing to type. """
self._completedAndSelected = False
cursor = self.textCursor()
acceptKeys = [Qt.Key_Enter, Qt.Key_Return, Qt.Key_Tab]
if event.key() in acceptKeys:
self.replaceLine(self._completer.currentCompletion())
elif event.key() == Qt.Key_Escape:
self.document().undo()
else:
self.document().undo()
return False
self.setTextCursor(cursor)
event.accept()
return True
def replaceLine(self, text: str):
cursor = self.textCursor()
cursor.beginEditBlock()
cursor.select(QTextCursor.LineUnderCursor)
cursor.removeSelectedText()
cursor.insertText(text)
cursor.movePosition(QTextCursor.EndOfLine)
self.setTextCursor(cursor)
cursor.endEditBlock()
# ---- Methods related to Context Menu
def createStandardContextMenu(self, pos: QPoint):
menu = super().createStandardContextMenu(pos)
menu.addSeparator()
autoCompletionAction = menu.addAction(
QIcon(),
self.tr("Enable Auto Complete"),
self.toggleAutoCompletion,
QKeySequence(Qt.CTRL + Qt.Key_E),
)
autoCompletionAction.setCheckable(True)
autoCompletionAction.setChecked(self._enableAutoCompletion)
completionAction = menu.addAction(
QIcon(),
self.tr("Suggest Completions"),
self.suggestCompletions,
QKeySequence(Qt.CTRL + Qt.Key_T),
)
completionAction.setEnabled(
self.isLineInvalid(self.textCursor().blockNumber()))
return menu
class GuiApplication(QApplication, BaseApplication):
# TODO: figure out how to catch close/delete window from window frame
def __init__(self, *args, **kw):
QApplication.__init__(self, *args, **kw)
BaseApplication.__init__(self)
self.view = qtutils.create_form(
"main.ui",
opengl={"graphicsView": ChimeraGraphics},
connections={
"actionOpen.triggered": self.open,
"actionQuit.triggered": self.quit,
"lineEdit.textChanged": self.save_command,
"lineEdit.returnPressed": self.process_command,
"graphicsViewGL.mousePress": self.mouse_press,
"graphicsViewGL.mouseRelease": self.mouse_release,
"graphicsViewGL.mouseMove": self.mouse_drag,
# TODO: why are't these needed?
#"graphicsViewGL.keyPress": "lineEdit.event",
#"graphicsViewGL.keyRelease": "lineEdit.event",
})
self.view.setWindowTitle(self.applicationName())
self.statusbar = self.find_object("statusbar")
assert self.statusbar is not None
self.graphics = self.find_object("graphicsViewGL")
assert self.graphics is not None
self.graphics.makeCurrent()
self.graphics.setFocusPolicy(Qt.WheelFocus)
self.line_edit = self.find_object("lineEdit")
assert self.line_edit is not None
self.completer = QCompleter(self.line_edit)
self.completer.setModel(QStringListModel(self.completer))
#self.completer.setCompletionMode(QCompleter.PopupCompletion)
self.line_edit.setCompleter(self.completer)
self._mouse_mode = None
self.view.show()
self.cursors = {
# TODO: custom cursors
"pick": Qt.PointingHandCursor,
"vsphere_z": Qt.IBeamCursor,
"vsphere_rot": Qt.ClosedHandCursor,
"translate": Qt.SizeAllCursor,
}
self.timer = QTimer(self.view)
self.active_timer = False
from chimera2.trackchanges import track
from chimera2 import scene
track.add_handler(scene.View, self._update_cb)
def _update_cb(self, *args, **kw):
if self.graphics:
self.graphics.updateGL()
def physicalDotsPerInch(self):
screen = self.primaryScreen()
return screen.physicalDotsPerInch()
def find_object(self, name):
return self.view.findChild(QObject, name)
@pyqtSlot()
def open(self):
# QFileDialog.getOpenFileName(QWidget parent=None, str caption='', str directory='', str filter='', str initialFilter='', QFileDialog.Options options=0) -> (str, str)
from chimera2 import io
filename, filter = QFileDialog.getOpenFileName(
self.view, caption="Open File", filter=io.qt_open_file_filter())
if filename:
from chimera2 import commands
commands.cmd_open(filename)
@property
def mouse_mode(self):
return self._mouse_mode
@mouse_mode.setter
def mouse_mode(self, mode):
if mode == self._mouse_mode:
return
self._mouse_mode = mode
cursor = self.cursors.get(mode, None)
if cursor:
self.graphics.setCursor(cursor)
else:
self.graphics.setCursor(QCursor())
@pyqtSlot(QEvent)
def mouse_press(self, event):
buttons = event.buttons()
x = event.x()
y = event.y()
if buttons & Qt.RightButton:
self.graphics.pick(x, y)
self.mouse_mode = "pick"
elif buttons & Qt.MiddleButton:
self.mouse_mode = "translate"
self.xy = event.globalPos()
elif buttons & Qt.LeftButton:
zrot = self.graphics.vsphere_press(x, y)
if zrot:
self.mouse_mode = "vsphere_z"
else:
self.mouse_mode = "vsphere_rot"
@pyqtSlot(QEvent)
def mouse_release(self, event):
if self.mouse_mode in ("vsphere_z", "vsphere_rot"):
self.graphics.vsphere_release()
self.mouse_mode = None
@pyqtSlot(QEvent)
def mouse_drag(self, event):
if self.mouse_mode in ("vsphere_z", "vsphere_rot"):
x = event.x()
y = event.y()
throttle = event.modifiers() & Qt.ShiftModifier
zrot = self.graphics.vsphere_drag(x, y, throttle)
if zrot:
self.mouse_mode = "vsphere_z"
else:
self.mouse_mode = "vsphere_rot"
elif self.mouse_mode == "translate":
xy = event.globalPos()
delta = xy - self.xy
self.xy = xy
self.graphics.translate_xy(delta)
@pyqtSlot(str)
def save_command(self, text):
self.command.parse_text(text)
self.completer.setCompletionPrefix(self.command.completion_prefix)
self.completer.model().setStringList(self.command.completions)
self.completer.complete()
@pyqtSlot()
def process_command(self, cmd=None):
self.status("")
BaseApplication.process_command(self)
class TextEditTechnique(QTextEdit):
def __init__(self, text_file, input_trigger=None, active=True):
super(TextEditTechnique, self).__init__()
self._completer = None
self.isActive = active
word_list = self.get_suggestion_words(text_file)
self.input_trigger = input_trigger
# connects the text textChanged event
self.textChanged.connect(self.handle_input)
self.char_length = 1
self.set_completer(word_list)
self.technique_used = False
self.no_suggestion_input = "~!@#$%^&*()_+{}|:\"<>?,./;'[]\\-= "
# gets words for suggestion
def get_suggestion_words(self, text_file):
words = []
file = open(text_file)
for line in file:
for word in line.split(' '):
word = word.strip().lower().replace('.', '').replace(
',', '').replace(':', '').replace('?', '')
if word and word not in words:
words.append(word)
file.close()
return words
# initializes the completer
def set_completer(self, words):
if self._completer is not None:
self._completer.activated.disconnect()
self._completer = QCompleter(words, self)
self._completer.setCaseSensitivity(Qt.CaseInsensitive)
self._completer.setWrapAround(False)
self._completer.setWidget(self)
self._completer.setCompletionMode(QCompleter.PopupCompletion)
self._completer.activated.connect(self.insert_sel_suggestion)
# insert the selected suggestion and moves the text cursor
def insert_sel_suggestion(self, suggestion):
if self._completer.widget() is not self:
return
text_cursor = self.textCursor()
extra = len(suggestion) - len(self._completer.completionPrefix())
text_cursor.movePosition(QTextCursor.Left)
text_cursor.movePosition(QTextCursor.EndOfWord)
text_cursor.insertText(suggestion[-extra:])
self.setTextCursor(text_cursor)
# returns the current typed word
def text_under_cursor(self):
text_cursor = self.textCursor()
text_cursor.select(QTextCursor.WordUnderCursor)
return text_cursor.selectedText()
# sets the widget
def focusInEvent(self, e):
if self._completer is not None and self.isActive:
self._completer.setWidget(self)
super(TextEditTechnique, self).focusInEvent(e)
def keyPressEvent(self, e):
# behaves like a normal input field!
if not self.isActive or self._completer is None:
super(TextEditTechnique, self).keyPressEvent(e)
return
# ignore events funktion keys on Textedit if popup is visible --> popup behaves default
if self._completer.popup().isVisible():
if e.key() in (Qt.Key_Enter, Qt.Key_Return, Qt.Key_Escape,
Qt.Key_Tab, Qt.Key_Backtab):
e.ignore()
self.technique_used = True
return
# writes text in the editfield
super(TextEditTechnique, self).keyPressEvent(e)
ctrl_or_shift = e.modifiers() & (Qt.ControlModifier | Qt.ShiftModifier)
if self._completer is None or (ctrl_or_shift and len(e.text()) == 0):
return
has_modifier = (e.modifiers() != Qt.NoModifier) and not ctrl_or_shift
completion_prefix = self.text_under_cursor()
# hide the popup for no chars, modifiers, shift and no text
if (has_modifier or len(e.text()) == 0
or len(completion_prefix) < self.char_length
or e.text()[-1] in self.no_suggestion_input):
self._completer.popup().hide()
return
# shows the popup with the suggested words
if completion_prefix != self._completer.completionPrefix():
self._completer.setCompletionPrefix(completion_prefix)
self._completer.popup().setCurrentIndex(
self._completer.completionModel().index(0, 0))
cursor = self.cursorRect()
cursor.setWidth(
self._completer.popup().sizeHintForColumn(0) +
self._completer.popup().verticalScrollBar().sizeHint().width())
self._completer.complete(cursor)
# event called if textedit input has changed
def handle_input(self):
timestamp = time.time()
self.input_trigger.emit(self.toPlainText(), timestamp)
# clears the text input
def clear_input(self):
self.setHtml('')
# deactivates the completer
def deactivate_completer(self):
self.isActive = False
# activates the completer
def activate_completer(self):
self.isActive = True
class WebBrowserWebSearchWidget(E5ClearableLineEdit):
"""
Class implementing a web search widget for the web browser.
@signal search(QUrl) emitted when the search should be done
"""
search = pyqtSignal(QUrl)
def __init__(self, mainWindow, parent=None):
"""
Constructor
@param mainWindow reference to the browser main window
@type WebBrowserWindow
@param parent reference to the parent widget
@type QWidget
"""
super(WebBrowserWebSearchWidget, self).__init__(parent)
from E5Gui.E5LineEdit import E5LineEdit
from E5Gui.E5LineEditButton import E5LineEditButton
from .OpenSearch.OpenSearchManager import OpenSearchManager
self.__mw = mainWindow
self.__openSearchManager = OpenSearchManager(self)
self.__openSearchManager.currentEngineChanged.connect(
self.__currentEngineChanged)
self.__currentEngine = ""
self.__enginesMenu = QMenu(self)
self.__enginesMenu.triggered.connect(
self.__handleEnginesMenuActionTriggered)
self.__engineButton = E5LineEditButton(self)
self.__engineButton.setMenu(self.__enginesMenu)
self.addWidget(self.__engineButton, E5LineEdit.LeftSide)
self.__searchButton = E5LineEditButton(self)
self.__searchButton.setIcon(UI.PixmapCache.getIcon("webSearch.png"))
self.addWidget(self.__searchButton, E5LineEdit.LeftSide)
self.__model = QStandardItemModel(self)
self.__completer = QCompleter()
self.__completer.setModel(self.__model)
self.__completer.setCompletionMode(
QCompleter.UnfilteredPopupCompletion)
self.__completer.setWidget(self)
self.__searchButton.clicked.connect(self.__searchButtonClicked)
self.textEdited.connect(self.__textEdited)
self.returnPressed.connect(self.__searchNow)
self.__completer.activated[QModelIndex].connect(
self.__completerActivated)
self.__completer.highlighted[QModelIndex].connect(
self.__completerHighlighted)
self.__enginesMenu.aboutToShow.connect(self.__showEnginesMenu)
self.__suggestionsItem = None
self.__suggestions = []
self.__suggestTimer = None
self.__suggestionsEnabled = Preferences.getWebBrowser(
"WebSearchSuggestions")
self.__recentSearchesItem = None
self.__recentSearches = []
self.__maxSavedSearches = 10
self.__engine = None
self.__loadSearches()
self.__setupCompleterMenu()
self.__currentEngineChanged()
def __searchNow(self):
"""
Private slot to perform the web search.
"""
searchText = self.text()
if not searchText:
return
import WebBrowser.WebBrowserWindow
if WebBrowser.WebBrowserWindow.WebBrowserWindow.isPrivate():
return
if searchText in self.__recentSearches:
self.__recentSearches.remove(searchText)
self.__recentSearches.insert(0, searchText)
if len(self.__recentSearches) > self.__maxSavedSearches:
self.__recentSearches = self.__recentSearches[:self.
__maxSavedSearches]
self.__setupCompleterMenu()
self.__mw.currentBrowser().setFocus()
self.__mw.currentBrowser().load(
self.__openSearchManager.currentEngine().searchUrl(searchText))
def __setupCompleterMenu(self):
"""
Private method to create the completer menu.
"""
if (not self.__suggestions
or (self.__model.rowCount() > 0
and self.__model.item(0) != self.__suggestionsItem)):
self.__model.clear()
self.__suggestionsItem = None
else:
self.__model.removeRows(1, self.__model.rowCount() - 1)
boldFont = QFont()
boldFont.setBold(True)
if self.__suggestions:
if self.__model.rowCount() == 0:
if not self.__suggestionsItem:
self.__suggestionsItem = QStandardItem(
self.tr("Suggestions"))
self.__suggestionsItem.setFont(boldFont)
self.__model.appendRow(self.__suggestionsItem)
for suggestion in self.__suggestions:
self.__model.appendRow(QStandardItem(suggestion))
if not self.__recentSearches:
self.__recentSearchesItem = QStandardItem(
self.tr("No Recent Searches"))
self.__recentSearchesItem.setFont(boldFont)
self.__model.appendRow(self.__recentSearchesItem)
else:
self.__recentSearchesItem = QStandardItem(
self.tr("Recent Searches"))
self.__recentSearchesItem.setFont(boldFont)
self.__model.appendRow(self.__recentSearchesItem)
for recentSearch in self.__recentSearches:
self.__model.appendRow(QStandardItem(recentSearch))
view = self.__completer.popup()
view.setFixedHeight(
view.sizeHintForRow(0) * self.__model.rowCount() +
view.frameWidth() * 2)
self.__searchButton.setEnabled(
bool(self.__recentSearches or self.__suggestions))
def __completerActivated(self, index):
"""
Private slot handling the selection of an entry from the completer.
@param index index of the item (QModelIndex)
"""
if (self.__suggestionsItem
and self.__suggestionsItem.index().row() == index.row()):
return
if (self.__recentSearchesItem
and self.__recentSearchesItem.index().row() == index.row()):
return
self.__searchNow()
def __completerHighlighted(self, index):
"""
Private slot handling the highlighting of an entry of the completer.
@param index index of the item (QModelIndex)
@return flah indicating a successful highlighting (boolean)
"""
if (self.__suggestionsItem
and self.__suggestionsItem.index().row() == index.row()):
return False
if (self.__recentSearchesItem
and self.__recentSearchesItem.index().row() == index.row()):
return False
self.setText(index.data())
return True
def __textEdited(self, txt):
"""
Private slot to handle changes of the search text.
@param txt search text (string)
"""
if self.__suggestionsEnabled:
if self.__suggestTimer is None:
self.__suggestTimer = QTimer(self)
self.__suggestTimer.setSingleShot(True)
self.__suggestTimer.setInterval(200)
self.__suggestTimer.timeout.connect(self.__getSuggestions)
self.__suggestTimer.start()
else:
self.__completer.setCompletionPrefix(txt)
self.__completer.complete()
def __getSuggestions(self):
"""
Private slot to get search suggestions from the configured search
engine.
"""
searchText = self.text()
if searchText:
self.__openSearchManager.currentEngine().requestSuggestions(
searchText)
def __newSuggestions(self, suggestions):
"""
Private slot to receive a new list of suggestions.
@param suggestions list of suggestions (list of strings)
"""
self.__suggestions = suggestions
self.__setupCompleterMenu()
self.__completer.complete()
def __showEnginesMenu(self):
"""
Private slot to handle the display of the engines menu.
"""
self.__enginesMenu.clear()
from .OpenSearch.OpenSearchEngineAction import OpenSearchEngineAction
engineNames = self.__openSearchManager.allEnginesNames()
for engineName in engineNames:
engine = self.__openSearchManager.engine(engineName)
action = OpenSearchEngineAction(engine, self.__enginesMenu)
action.setData(engineName)
self.__enginesMenu.addAction(action)
if self.__openSearchManager.currentEngineName() == engineName:
action.setCheckable(True)
action.setChecked(True)
cb = self.__mw.currentBrowser()
from .Tools import Scripts
script = Scripts.getOpenSearchLinks()
cb.page().runJavaScript(script, WebBrowserPage.SafeJsWorld,
self.__showEnginesMenuCallback)
def __showEnginesMenuCallback(self, res):
"""
Private method handling the open search links callback.
@param res result of the JavaScript
@type list of dict
"""
cb = self.__mw.currentBrowser()
if res:
self.__enginesMenu.addSeparator()
for entry in res:
url = cb.url().resolved(QUrl(entry["url"]))
title = entry["title"]
if url.isEmpty():
continue
if not title:
title = cb.title()
action = self.__enginesMenu.addAction(
self.tr("Add '{0}'").format(title))
action.setData(url)
action.setIcon(cb.icon())
self.__enginesMenu.addSeparator()
self.__enginesMenu.addAction(self.__mw.searchEnginesAction())
if self.__recentSearches:
act = self.__enginesMenu.addAction(
self.tr("Clear Recent Searches"))
act.setData("@@CLEAR@@")
def __handleEnginesMenuActionTriggered(self, action):
"""
Private slot to handle an action of the menu being triggered.
@param action reference to the action that triggered
@type QAction
"""
actData = action.data()
if isinstance(actData, QUrl):
# add search engine
self.__openSearchManager.addEngine(actData)
elif isinstance(actData, str):
# engine name or special action
if actData == "@@CLEAR@@":
self.clear()
else:
self.__openSearchManager.setCurrentEngineName(actData)
def __searchButtonClicked(self):
"""
Private slot to show the search menu via the search button.
"""
self.__setupCompleterMenu()
self.__completer.complete()
def clear(self):
"""
Public method to clear all private data.
"""
self.__recentSearches = []
self.__setupCompleterMenu()
super(WebBrowserWebSearchWidget, self).clear()
self.clearFocus()
def preferencesChanged(self):
"""
Public method to handle the change of preferences.
"""
self.__suggestionsEnabled = Preferences.getWebBrowser(
"WebSearchSuggestions")
if not self.__suggestionsEnabled:
self.__suggestions = []
self.__setupCompleterMenu()
def saveSearches(self):
"""
Public method to save the recently performed web searches.
"""
Preferences.Prefs.settings.setValue('WebBrowser/WebSearches',
self.__recentSearches)
def __loadSearches(self):
"""
Private method to load the recently performed web searches.
"""
searches = Preferences.Prefs.settings.value('WebBrowser/WebSearches')
if searches is not None:
self.__recentSearches = searches
def openSearchManager(self):
"""
Public method to get a reference to the opensearch manager object.
@return reference to the opensearch manager object (OpenSearchManager)
"""
return self.__openSearchManager
def __currentEngineChanged(self):
"""
Private slot to track a change of the current search engine.
"""
if self.__openSearchManager.engineExists(self.__currentEngine):
oldEngine = self.__openSearchManager.engine(self.__currentEngine)
oldEngine.imageChanged.disconnect(self.__engineImageChanged)
if self.__suggestionsEnabled:
oldEngine.suggestions.disconnect(self.__newSuggestions)
newEngine = self.__openSearchManager.currentEngine()
if newEngine.networkAccessManager() is None:
newEngine.setNetworkAccessManager(self.__mw.networkManager())
newEngine.imageChanged.connect(self.__engineImageChanged)
if self.__suggestionsEnabled:
newEngine.suggestions.connect(self.__newSuggestions)
self.setInactiveText(self.__openSearchManager.currentEngineName())
self.__currentEngine = self.__openSearchManager.currentEngineName()
self.__engineButton.setIcon(
QIcon(
QPixmap.fromImage(
self.__openSearchManager.currentEngine().image())))
self.__suggestions = []
self.__setupCompleterMenu()
def __engineImageChanged(self):
"""
Private slot to handle a change of the current search engine icon.
"""
self.__engineButton.setIcon(
QIcon(
QPixmap.fromImage(
self.__openSearchManager.currentEngine().image())))
def mousePressEvent(self, evt):
"""
Protected method called by a mouse press event.
@param evt reference to the mouse event (QMouseEvent)
"""
if evt.button() == Qt.XButton1:
self.__mw.currentBrowser().triggerPageAction(QWebEnginePage.Back)
elif evt.button() == Qt.XButton2:
self.__mw.currentBrowser().triggerPageAction(
QWebEnginePage.Forward)
else:
super(WebBrowserWebSearchWidget, self).mousePressEvent(evt)