def __positionPair(self, pos):
cursor = QTextCursor(self.document())
cursor.setPosition(pos)
rootFrame = self.document().rootFrame()
frames = rootFrame.childFrames()
frame = cursor.currentFrame()
if frame == rootFrame:
# pos is outside any group
return [pos, pos]
p = frame.parentFrame()
if p != rootFrame:
# frame is an input or output frame containing pos
return [frame.firstPosition(), frame.lastPosition()]
# frame is a group frame containing pos in a comment position
localFrames = frame.childFrames()
inputStart = localFrames[0].firstPosition()
if pos < inputStart:
return [frame.firstPosition(), inputStart - 1]
inputEnd = localFrames[0].lastPosition()
outputStart = localFrames[1].firstPosition()
if inputEnd < pos and pos < outputStart:
return [inputEnd + 1, outputStart - 1]
outputEnd = localFrames[1].lastPosition()
if outputEnd < pos:
return [outputEnd + 1, frame.lastPosition()]
traceLogger.critical("bad position %d (%d %d) (%d %d)" %
(pos, ifr.firstPosition(), ifr.lastPosition(),
ofr.firstPosition(), ofr.lastPosition()))
return [-1, -1]
def __positionPair(self,pos):
cursor = QTextCursor(self.document())
cursor.setPosition(pos)
rootFrame = self.document().rootFrame()
frames = rootFrame.childFrames()
frame = cursor.currentFrame()
if frame == rootFrame:
# pos is outside any group
return [pos,pos]
p = frame.parentFrame()
if p != rootFrame:
# frame is an input or output frame containing pos
return [frame.firstPosition(),frame.lastPosition()]
# frame is a group frame containing pos in a comment position
localFrames = frame.childFrames()
inputStart = localFrames[0].firstPosition()
if pos < inputStart:
return [frame.firstPosition(),inputStart-1]
inputEnd = localFrames[0].lastPosition()
outputStart = localFrames[1].firstPosition()
if inputEnd < pos and pos < outputStart:
return [inputEnd+1,outputStart-1]
outputEnd = localFrames[1].lastPosition()
if outputEnd < pos:
return [outputEnd+1,frame.lastPosition()]
traceLogger.critical("bad position %d (%d %d) (%d %d)" %
(pos,
ifr.firstPosition(), ifr.lastPosition(),
ofr.firstPosition(), ofr.lastPosition()))
return [-1,-1]
def markSentence(self):
"""Mark sentence with marker if marker ir checked."""
cursor = QTextCursor(self.sentence_mw.ui.textEditSentence.document())
begin = self.sentence_mw.ui.textEditSentence.textCursor(
).selectionStart()
end = self.sentence_mw.ui.textEditSentence.textCursor().selectionEnd()
marker = self.preferences['marker']
cursor.setPosition(begin, QTextCursor.MoveAnchor)
cursor.insertText(marker[0])
cursor.setPosition(end + 1, QTextCursor.MoveAnchor)
cursor.insertText(marker[1])
def gotoRow(self,row):
rows = self.document().rootFrame().childFrames()
if row >= len(rows):
traceLogger.critical("invalid row %d > %d" % (row,len(rows)-1))
row = len(rows)
cursor = QTextCursor(rows[row].lastCursorPosition())
cursor.movePosition(QTextCursor.NextBlock)
self.setTextCursor(cursor)
self.ensureCursorVisible()
cursor = QTextCursor(rows[row].childFrames()[0])
self.setTextCursor(cursor)
self.ensureCursorVisible()
def currentField(self,row):
rows = self.document().rootFrame().childFrames()
if row >= len(rows):
traceLogger.critical("invalid row %d > %d" % (row,len(rows)-1))
row = len(rows)
inputFrame = rows[row].childFrames()[0]
cursor = QTextCursor(inputFrame)
cursor.setPosition(inputFrame.lastPosition(),QTextCursor.KeepAnchor)
command = cursor.selectedText()
command = command.replace(u'\u2028',u'\n')
command = command.replace(u'\u2029',u'\n')
if command != '' and not command[-1] in [';','$']:
command += ';'
return command
def currentField(self, row):
rows = self.document().rootFrame().childFrames()
if row >= len(rows):
traceLogger.critical("invalid row %d > %d" % (row, len(rows) - 1))
row = len(rows)
inputFrame = rows[row].childFrames()[0]
cursor = QTextCursor(inputFrame)
cursor.setPosition(inputFrame.lastPosition(), QTextCursor.KeepAnchor)
command = cursor.selectedText()
command = command.replace(u'\u2028', u'\n')
command = command.replace(u'\u2029', u'\n')
if command != '' and not command[-1] in [';', '$']:
command += ';'
return command
def hideFrom(self, line):
""" Hides a block starting by line. Do nothing if not hidable"""
block = self.getWidget().document().findBlockByNumber(line - 1)
openB = block.text().count("(")
closeB = block.text().count(")")
startline = line
# go to line >= line: block starts counting by 0
block = self.getWidget().document().findBlockByNumber(line - 1)
hidden = []
assert block.isValid()
while openB > closeB and block.isValid():
assert block.isValid()
block = block.next()
line = block.blockNumber() + 1
if block.isVisible():
hidden.append(line)
openB += block.text().count("(")
closeB += block.text().count(")")
if hidden == []:
return
self._hideLines(hidden)
self.hidden[startline] = hidden
# set current line in viewable area
current_line = self.getWidget().document().findBlock(
self.getWidget().textCursor().position()).blockNumber() + 1
if (startline < current_line and current_line <= line):
block = block.next()
cursor = QTextCursor(block)
self.getWidget().setTextCursor(cursor)
def cursor_is_in_editing_region(self, cursor):
# Want to be to the right of the prompt...
if cursor.positionInBlock() < len(self.prompt):
return False
# ... and in the final line.
if cursor.blockNumber() != self.te.blockCount() - 1:
return False
if cursor.anchor() != cursor.position():
# Anchor might be outside of editing region
anchorCursor = QTextCursor(cursor)
anchorCursor.setPosition(cursor.anchor())
if anchorCursor.positionInBlock() < len(self.prompt):
return False
if anchorCursor.blockNumber() != self.te.blockCount() - 1:
return False
return True
def append(self, text):
"""Append line to the end
"""
cursor = QTextCursor(self._doc)
cursor.movePosition(QTextCursor.End)
cursor.insertBlock()
cursor.insertText(text)
def cursors(self):
"""Cursors for rectangular selection.
1 cursor for every line
"""
cursors = []
if self._start is not None:
startLine, startVisibleCol = self._start
currentLine, currentCol = self._qpart.cursorPosition
if abs(startLine - currentLine) > self._MAX_SIZE or \
abs(startVisibleCol - currentCol) > self._MAX_SIZE:
# Too big rectangular selection freezes the GUI
self._qpart.userWarning.emit('Rectangular selection area is too big')
self._start = None
return []
currentBlockText = self._qpart.textCursor().block().text()
currentVisibleCol = self._realToVisibleColumn(currentBlockText, currentCol)
for lineNumber in range(min(startLine, currentLine),
max(startLine, currentLine) + 1):
block = self._qpart.document().findBlockByNumber(lineNumber)
cursor = QTextCursor(block)
realStartCol = self._visibleToRealColumn(block.text(), startVisibleCol)
realCurrentCol = self._visibleToRealColumn(block.text(), currentVisibleCol)
if realStartCol is None:
realStartCol = block.length() # out of range value
if realCurrentCol is None:
realCurrentCol = block.length() # out of range value
cursor.setPositionInBlock(min(realStartCol, block.length() - 1))
cursor.setPositionInBlock(min(realCurrentCol, block.length() - 1), QTextCursor.KeepAnchor)
cursors.append(cursor)
return cursors
def __init__(self, cursorOrBlockOrDoc, startPos=None, endPos=None,
draw_order=0, tooltip=None):
"""
Creates a text decoration
:param cursorOrBlockOrDoc: Selection
:type cursorOrBlockOrDoc: QTextCursor or QTextBlock or QTextDocument
:param startPos: Selection start pos
:param endPos: Selection end pos
.. note:: Use the cursor selection if startPos and endPos are none.
"""
self.draw_order = draw_order
self.tooltip = tooltip
QTextEdit.ExtraSelection.__init__(self)
cursor = QTextCursor(cursorOrBlockOrDoc)
if startPos is not None:
cursor.setPosition(startPos)
if endPos is not None:
cursor.setPosition(endPos, QTextCursor.KeepAnchor)
self.cursor = cursor
def update_editor(self, *args, **kw):
'''
'''
self.control.clear()
adapter = self.factory.adapter
tables = adapter.make_tables(self.value)
cursor = QTextCursor(self.control.textCursor())
n = len(tables)
for i, ti in enumerate(tables):
self._add_table(ti, cursor)
# timethis(self._add_table, args=(ti, cursor), msg='add_table')
if i < n - 1:
self._add_table_hook(cursor)
def testRefcount(self):
textedit = QTextEdit()
textedit.setReadOnly(True)
doc = textedit.document()
cursor = QTextCursor(doc)
cursor.insertText("PySide Rocks")
ud = TestUserData({"Life": 42})
self.assertEqual(sys.getrefcount(ud), 2)
cursor.block().setUserData(ud)
self.assertEqual(sys.getrefcount(ud), 3)
ud2 = cursor.block().userData()
self.assertEqual(sys.getrefcount(ud), 4)
self.udata = weakref.ref(ud, None)
del ud, ud2
self.assertEqual(sys.getrefcount(self.udata()), 2)
def _makeMatchSelection(self, block, columnIndex, matched):
"""Make matched or unmatched QTextEdit.ExtraSelection
"""
selection = QTextEdit.ExtraSelection()
if matched:
bgColor = QColor('#9ED1FF')
else:
bgColor = QColor('#FFDFDF')
selection.format.setBackground(bgColor)
selection.cursor = QTextCursor(block)
selection.cursor.setPositionInBlock(columnIndex)
selection.cursor.movePosition(QTextCursor.Right,
QTextCursor.KeepAnchor)
return selection
def gotoRow(self, row):
rows = self.document().rootFrame().childFrames()
if row >= len(rows):
traceLogger.critical("invalid row %d > %d" % (row, len(rows) - 1))
row = len(rows)
cursor = QTextCursor(rows[row].lastCursorPosition())
cursor.movePosition(QTextCursor.NextBlock)
self.setTextCursor(cursor)
self.ensureCursorVisible()
cursor = QTextCursor(rows[row].childFrames()[0])
self.setTextCursor(cursor)
self.ensureCursorVisible()
def testUndoRedo(self):
text = 'foobar'
doc = QTextDocument(text)
self.assertFalse(doc.isRedoAvailable())
self.assertTrue(doc.isUndoAvailable())
self.assertEqual(doc.toPlainText(), text)
cursor = QTextCursor(doc)
doc.undo(cursor)
self.assertTrue(doc.isRedoAvailable())
self.assertFalse(doc.isUndoAvailable())
self.assertEqual(doc.toPlainText(), '')
doc.redo(cursor)
self.assertFalse(doc.isRedoAvailable())
self.assertTrue(doc.isUndoAvailable())
self.assertEqual(doc.toPlainText(), text)
def testRefcount(self):
textedit = QTextEdit()
textedit.setReadOnly(True)
doc = textedit.document()
cursor = QTextCursor(doc)
cursor.insertText("PySide Rocks")
ud = TestUserData({"Life": 42})
self.assertEqual(sys.getrefcount(ud), 2)
cursor.block().setUserData(ud)
self.assertEqual(sys.getrefcount(ud), 3)
ud2 = cursor.block().userData()
self.assertEqual(sys.getrefcount(ud), 4)
self.udata = weakref.ref(ud, None)
del ud, ud2
self.assertEqual(sys.getrefcount(self.udata()), 2)
def testQTextCursorSelectedTableCells(self):
obj = QTextCursor()
self.assertEquals(obj.selectedTableCells(), (-1, -1, -1, -1))
def testCase(self):
editor = QTextEdit()
cursor = QTextCursor(editor.textCursor())
cursor.movePosition(QTextCursor.Start)
mainFrame = cursor.currentFrame()
plainCharFormat = QTextCharFormat()
boldCharFormat = QTextCharFormat()
boldCharFormat.setFontWeight(QFont.Bold)
cursor.insertText(
"""
Text documents are represented by the
QTextDocument class, rather than by QString objects.
Each QTextDocument object contains information about
the document's internal representation, its structure,
and keeps track of modifications to provide undo/redo
facilities. This approach allows features such as the
layout management to be delegated to specialized
classes, but also provides a focus for the framework.""",
plainCharFormat)
frameFormat = QTextFrameFormat()
frameFormat.setMargin(32)
frameFormat.setPadding(8)
frameFormat.setBorder(4)
cursor.insertFrame(frameFormat)
cursor.insertText(
"""
Documents are either converted from external sources
or created from scratch using Qt. The creation process
can done by an editor widget, such as QTextEdit, or by
explicit calls to the Scribe API.""", boldCharFormat)
cursor = mainFrame.lastCursorPosition()
cursor.insertText(
"""
There are two complementary ways to visualize the
contents of a document: as a linear buffer that is
used by editors to modify the contents, and as an
object hierarchy containing structural information
that is useful to layout engines. In the hierarchical
model, the objects generally correspond to visual
elements such as frames, tables, and lists. At a lower
level, these elements describe properties such as the
style of text used and its alignment. The linear
representation of the document is used for editing and
manipulation of the document's contents.""",
plainCharFormat)
frame = cursor.currentFrame()
items = []
#test iterator
for i in frame:
items.append(i)
#test __iadd__
b = frame.begin()
i = 0
while not b.atEnd():
self.assertEqual(b, items[i])
self.assert_(b.parentFrame(), items[i].parentFrame())
b.__iadd__(1)
i += 1
#test __isub__
b = frame.end()
i = 0
while i > 0:
self.assertEqual(b, items[i])
self.assert_(b.parentFrame(), items[i].parentFrame())
b.__isub__(1)
i -= 1
def insertRow(self, row):
self.insertingFrames = True
document = self.document()
rootFrame = document.rootFrame()
rows = rootFrame.childFrames()
if row > len(rows):
traceLogger.critical("invalid row %d > %d" % (row, len(rows)))
row = len(rows)
if row == len(rows):
cursor = QTextCursor(document)
cursor.movePosition(QTextCursor.End)
elif rows:
cursor = QTextCursor(rows[row].firstCursorPosition())
cursor.movePosition(QTextCursor.PreviousBlock)
cursor.insertFrame(QtReduceRowFormat())
cursor.insertFrame(QtReduceInput().frameFormat)
position = cursor.position()
cursor.clearSelection()
cursor.setBlockFormat(QtReduceInput().blockFormat)
cursor.setBlockCharFormat(QtReduceInput().charFormat)
cursor.movePosition(QTextCursor.NextBlock)
cursor.insertFrame(QtReduceNoResult().frameFormat)
cursor.setBlockFormat(QtReduceNoResult().blockFormat)
cursor.setBlockCharFormat(QtReduceNoResult().charFormat)
cursor.insertText(QtReduceFrameView.NotEvaluated)
cursor.setPosition(position)
self.insertingFrames = False
def insertRow(self,row):
self.insertingFrames = True
document = self.document()
rootFrame = document.rootFrame()
rows = rootFrame.childFrames()
if row > len(rows):
traceLogger.critical("invalid row %d > %d" % (row,len(rows)))
row = len(rows)
if row == len(rows):
cursor = QTextCursor(document)
cursor.movePosition(QTextCursor.End)
elif rows:
cursor = QTextCursor(rows[row].firstCursorPosition())
cursor.movePosition(QTextCursor.PreviousBlock)
cursor.insertFrame(QtReduceRowFormat())
cursor.insertFrame(QtReduceInput().frameFormat)
position = cursor.position()
cursor.clearSelection()
cursor.setBlockFormat(QtReduceInput().blockFormat)
cursor.setBlockCharFormat(QtReduceInput().charFormat)
cursor.movePosition(QTextCursor.NextBlock)
cursor.insertFrame(QtReduceNoResult().frameFormat)
cursor.setBlockFormat(QtReduceNoResult().blockFormat)
cursor.setBlockCharFormat(QtReduceNoResult().charFormat)
cursor.insertText(QtReduceFrameView.NotEvaluated)
cursor.setPosition(position)
self.insertingFrames = False
def goToLine(self, line):
block = self.editor.document().findBlockByLNumber(line)
cursor = QTextCursor(self.editor.document())
cursor.setPosition(block.position())
self.editor.setTextCursor(cursor)
def cursorForPosition(codeEdit, line, column, selectEndOfLine=False,
selection=None, selectWordUnderCursor=False):
"""
Return a QTextCursor set to line and column with the specified selection
:param line:
:param column:
"""
tc = QTextCursor(codeEdit.document())
tc.movePosition(QTextCursor.Start, QTextCursor.MoveAnchor)
tc.movePosition(QTextCursor.Down, QTextCursor.MoveAnchor, line - 1)
tc.setPosition(tc.position() + column - 1)
if selectEndOfLine is True:
tc.movePosition(QTextCursor.EndOfLine, QTextCursor.KeepAnchor)
elif isinstance(selection, int):
tc.movePosition(QTextCursor.Right, QTextCursor.KeepAnchor, selection)
elif selectWordUnderCursor is True:
tc.select(QTextCursor.WordUnderCursor)
codeEdit.setTextCursor(tc)
return tc
class TextFormat():
def __init__(self, selection, button):
self.selection = selection
self.cursor = QTextCursor(self.selection.textEdit.textCursor())
self.format = QTextCharFormat()
self.button = button
def bold_button_behavior(self):
if self.selection.textEdit.textCursor().hasSelection():
return self.bold_selection()
if self.selection.textEdit.fontWeight() == QFont.Bold:
self.button.setDown(False)
return self.selection.textEdit.setFontWeight(QFont.Normal)
self.button.setDown(True)
return self.selection.textEdit.setFontWeight(QFont.Bold)
def bold_selection(self):
if self.selection.bold_button.isDown():
self.selection.bold_button.setDown(False)
return self.selection.textEdit.setFontWeight(QFont.Normal)
if not self.selection.textEdit.textCursor().charFormat().fontWeight() == QFont.Bold:
self.format.setFontWeight(QFont.Bold)
self.selection.bold_button.setDown(True)
return self.cursor.mergeCharFormat(self.format)
return self.selection.textEdit.setFontWeight(QFont.Normal)
def italic_button_behavior(self):
if self.selection.textEdit.textCursor().hasSelection():
return self.italic_selection()
if self.selection.textEdit.fontItalic():
self.button.setDown(False)
return self.selection.textEdit.setFontItalic(False)
self.button.setDown(True)
return self.selection.textEdit.setFontItalic(True)
def italic_selection(self):
if self.selection.italic_button.isDown():
self.selection.italic_button.setDown(False)
return self.selection.textEdit.setFontItalic()
if not self.selection.textEdit.textCursor().charFormat().fontItalic():
self.format.setFontItalic(True)
return self.cursor.mergeCharFormat(self.format)
self.selection.italic_button.setDown(False)
return self.selection.textEdit.setFontItalic(False)
def underline_button_behavior(self):
if self.selection.textEdit.textCursor().hasSelection():
return self.underline_selection()
if self.selection.textEdit.fontUnderline():
self.button.setDown(False)
return self.selection.textEdit.setFontUnderline(False)
self.button.setDown(True)
return self.selection.textEdit.setFontUnderline(True)
def underline_selection(self):
if self.selection.underline_button.isDown():
self.selection.underline_button.setDown(False)
return self.selection.textEdit.setFontUnderline(False)
if not self.selection.textEdit.textCursor().charFormat().fontUnderline():
self.format.setFontUnderline(True)
return self.cursor.mergeCharFormat(self.format)
return self.selection.textEdit.setFontUnderline(False)
def strikeout_button_behavior(self):
if self.selection.textEdit.textCursor().hasSelection():
return self.strikeout_selection()
if self.selection.textEdit.textCursor().charFormat().fontStrikeOut():
self.button.setDown(False)
return self.selection.textEdit.textCursor().charFormat().setFontStrikeOut(False)
self.button.setDown(True)
formatter = QTextCharFormat()
formatter.setFontStrikeOut(True)
return self.selection.textEdit.setCurrentCharFormat(formatter)
def strikeout_selection(self):
if self.selection.textEdit.textCursor().charFormat().fontStrikeOut():
self.selection.strikeout_button.setDown(False)
self.format.setFontStrikeOut(False)
return self.cursor.mergeCharFormat(self.format)
if not self.selection.textEdit.textCursor().charFormat().fontStrikeOut():
self.format.setFontStrikeOut(True)
return self.cursor.mergeCharFormat(self.format)
return self.selection.textEdit.textCursor().charFormat()
def __init__(self, selection, button):
self.selection = selection
self.cursor = QTextCursor(self.selection.textEdit.textCursor())
self.format = QTextCharFormat()
self.button = button
def testQTextCursorSelectedTableCells(self):
obj = QTextCursor()
self.assertEquals(obj.selectedTableCells(), (-1, -1, -1, -1))
def _setBlockText(blockIndex, text):
cursor = QTextCursor(self._doc.findBlockByNumber(blockIndex))
cursor.movePosition(QTextCursor.EndOfBlock, QTextCursor.KeepAnchor)
cursor.insertText(text)
def insert(self, index, text):
"""Insert line to the document
"""
if index < 0 or index > self._doc.blockCount():
raise IndexError('Invalid block index', index)
if index == 0: # first
cursor = QTextCursor(self._doc.firstBlock())
cursor.insertText(text)
cursor.insertBlock()
elif index != self._doc.blockCount(): # not the last
cursor = QTextCursor(self._doc.findBlockByNumber(index).previous())
cursor.movePosition(QTextCursor.EndOfBlock)
cursor.insertBlock()
cursor.insertText(text)
else: # last append to the end
self.append(text)
def _removeBlock(blockIndex):
block = self._doc.findBlockByNumber(blockIndex)
if block.next().isValid(): # not the last
cursor = QTextCursor(block)
cursor.movePosition(QTextCursor.NextBlock, QTextCursor.KeepAnchor)
elif block.previous().isValid(): # the last, not the first
cursor = QTextCursor(block.previous())
cursor.movePosition(QTextCursor.EndOfBlock)
cursor.movePosition(QTextCursor.NextBlock, QTextCursor.KeepAnchor)
cursor.movePosition(QTextCursor.EndOfBlock, QTextCursor.KeepAnchor)
else: # only one block
cursor = QTextCursor(block)
cursor.movePosition(QTextCursor.EndOfBlock, QTextCursor.KeepAnchor)
cursor.removeSelectedText()
def testCase(self):
editor = QTextEdit()
cursor = QTextCursor(editor.textCursor())
cursor.movePosition(QTextCursor.Start)
mainFrame = cursor.currentFrame()
plainCharFormat = QTextCharFormat()
boldCharFormat = QTextCharFormat()
boldCharFormat.setFontWeight(QFont.Bold);
cursor.insertText("""
Text documents are represented by the
QTextDocument class, rather than by QString objects.
Each QTextDocument object contains information about
the document's internal representation, its structure,
and keeps track of modifications to provide undo/redo
facilities. This approach allows features such as the
layout management to be delegated to specialized
classes, but also provides a focus for the framework.""",
plainCharFormat)
frameFormat = QTextFrameFormat()
frameFormat.setMargin(32)
frameFormat.setPadding(8)
frameFormat.setBorder(4)
cursor.insertFrame(frameFormat)
cursor.insertText("""
Documents are either converted from external sources
or created from scratch using Qt. The creation process
can done by an editor widget, such as QTextEdit, or by
explicit calls to the Scribe API.""",
boldCharFormat)
cursor = mainFrame.lastCursorPosition()
cursor.insertText("""
There are two complementary ways to visualize the
contents of a document: as a linear buffer that is
used by editors to modify the contents, and as an
object hierarchy containing structural information
that is useful to layout engines. In the hierarchical
model, the objects generally correspond to visual
elements such as frames, tables, and lists. At a lower
level, these elements describe properties such as the
style of text used and its alignment. The linear
representation of the document is used for editing and
manipulation of the document's contents.""",
plainCharFormat)
frame = cursor.currentFrame()
items = []
#test iterator
for i in frame:
items.append(i)
#test __iadd__
b = frame.begin()
i = 0
while not b.atEnd():
self.assertEqual(b, items[i])
self.assert_(b.parentFrame(), items[i].parentFrame())
b.__iadd__(1)
i += 1
#test __isub__
b = frame.end()
i = 0
while i > 0:
self.assertEqual(b, items[i])
self.assert_(b.parentFrame(), items[i].parentFrame())
b.__isub__(1)
i -= 1