Source

thg / tortoisehg / hgqt / qscilib.py

Yuya Nishihara 53a93fc 

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Yuya Nishihara 53a93fc 




Yuya Nishihara 7aa69d1 

Yuya Nishihara 53a93fc 

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Yuya Nishihara f51b46b 
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James McKay e861453 


Yuya Nishihara 53a93fc 


Yuya Nishihara 3c518e8 

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Yuya Nishihara 8875cae 


James McKay e861453 



Yuya Nishihara 8875cae 
James McKay e861453 
Yuya Nishihara 8875cae 
James McKay e861453 
Yuya Nishihara 8875cae 
James McKay e861453 

Yuya Nishihara 8875cae 
James McKay e861453 
Yuya Nishihara 8875cae 

James McKay e861453 

Yuya Nishihara 8875cae 

James McKay e861453 


Steve Borho e4b7b76 


Wagner Bruna 58ad9b7 
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Steve Borho 01b0e38 

Steve Borho e4b7b76 







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Wagner Bruna da85379 










Steve Borho e4b7b76 

Steve Borho 2ddb740 
Wagner Bruna da85379 
Steve Borho e4b7b76 
Yuya Nishihara 8875cae 
Steve Borho e4b7b76 


Steve Borho 2ddb740 
Wagner Bruna da85379 
Steve Borho e4b7b76 



Steve Borho 2ddb740 
Wagner Bruna da85379 
Yuya Nishihara 3c518e8 

















Yuya Nishihara f1d1cc8 
Yuya Nishihara 7aa69d1 

















Phil Currier 1825396 


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David Golub 7d09a3d 


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Yuya Nishihara 0308f91 
Yuya Nishihara f1d1cc8 


David Golub b1b476d 
Yuya Nishihara f1d1cc8 

Steve Borho df15719 






Yuya Nishihara f1d1cc8 

David Golub b1b476d 
Yuya Nishihara f1d1cc8 









David Golub b1b476d 
Yuya Nishihara f1d1cc8 
Yuya Nishihara fbd8099 











Yuya Nishihara f1d1cc8 






Yuya Nishihara 75c3b21 

Yuya Nishihara f1d1cc8 










Steve Borho 2e5b69e 





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Yuya Nishihara ece8364 



Angel Ezquerra ce5dcd9 
Steve Borho 61dae24 

Yuya Nishihara f06d87a 
Yuya Nishihara ece8364 
Steve Borho 61dae24 
Yuya Nishihara ece8364 

Steve Borho 61dae24 
Yuya Nishihara ece8364 

Steve Borho 61dae24 
Yuya Nishihara bff06e8 








Steve Borho 61dae24 
Yuya Nishihara bff06e8 
Yuya Nishihara ece8364 



Steve Borho 61dae24 

Yuya Nishihara ece8364 
Steve Borho 61dae24 
Steve Borho 63f5762 

Steve Borho 61dae24 

Yuya Nishihara ece8364 

Steve Borho 61dae24 


Yuya Nishihara ece8364 


Steve Borho 61dae24 


Yuya Nishihara ece8364 


Steve Borho 04da935 
Yuya Nishihara ece8364 
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# qscilib.py - Utility codes for QsciScintilla
#
# Copyright 2010 Steve Borho <steve@borho.org>
# Copyright 2010 Yuya Nishihara <yuya@tcha.org>
#
# This software may be used and distributed according to the terms of the
# GNU General Public License version 2 or any later version.

import re

from mercurial import util

from tortoisehg.util import hglib
from tortoisehg.hgqt import qtlib
from tortoisehg.hgqt.i18n import _

from PyQt4.QtCore import *
from PyQt4.QtGui import *
from PyQt4.Qsci import *

class _SciImSupport(object):
    """Patch for QsciScintilla to implement improved input method support

    See http://doc.trolltech.com/4.7/qinputmethodevent.html
    """

    PREEDIT_INDIC_ID = QsciScintilla.INDIC_MAX
    """indicator for highlighting preedit text"""

    def __init__(self, sci):
        self._sci = sci
        self._preeditpos = (0, 0)  # (line, index) where preedit text starts
        self._preeditlen = 0
        self._preeditcursorpos = 0  # relative pos where preedit cursor exists
        self._undoactionbegun = False
        self._setuppreeditindic()

    def removepreedit(self):
        """Remove the previous preedit text

        original pos: preedit cursor
        final pos: target cursor
        """
        l, i = self._sci.getCursorPosition()
        i -= self._preeditcursorpos
        self._preeditcursorpos = 0
        try:
            self._sci.setSelection(
                self._preeditpos[0], self._preeditpos[1],
                self._preeditpos[0], self._preeditpos[1] + self._preeditlen)
            self._sci.removeSelectedText()
        finally:
            self._sci.setCursorPosition(l, i)

    def commitstr(self, start, repllen, commitstr):
        """Remove the repl string followed by insertion of the commit string

        original pos: target cursor
        final pos: end of committed text (= start of preedit text)
        """
        l, i = self._sci.getCursorPosition()
        i += start
        self._sci.setSelection(l, i, l, i + repllen)
        self._sci.removeSelectedText()
        self._sci.insert(commitstr)
        self._sci.setCursorPosition(l, i + len(commitstr))
        if commitstr:
            self.endundo()

    def insertpreedit(self, text):
        """Insert preedit text

        original pos: start of preedit text
        final pos: start of preedit text (unchanged)
        """
        if text and not self._preeditlen:
            self.beginundo()
        l, i = self._sci.getCursorPosition()
        self._sci.insert(text)
        self._updatepreeditpos(l, i, len(text))
        if not self._preeditlen:
            self.endundo()

    def movepreeditcursor(self, pos):
        """Move the cursor to the relative pos inside preedit text"""
        self._preeditcursorpos = min(pos, self._preeditlen)
        l, i = self._preeditpos
        self._sci.setCursorPosition(l, i + self._preeditcursorpos)

    def beginundo(self):
        if self._undoactionbegun:
            return
        self._sci.beginUndoAction()
        self._undoactionbegun = True

    def endundo(self):
        if not self._undoactionbegun:
            return
        self._sci.endUndoAction()
        self._undoactionbegun = False

    def _updatepreeditpos(self, l, i, len):
        """Update the indicator and internal state for preedit text"""
        self._sci.SendScintilla(QsciScintilla.SCI_SETINDICATORCURRENT,
                                self.PREEDIT_INDIC_ID)
        self._preeditpos = (l, i)
        self._preeditlen = len
        if len <= 0:  # have problem on sci
            return
        p = self._sci.positionFromLineIndex(*self._preeditpos)
        q = self._sci.positionFromLineIndex(self._preeditpos[0],
                                            self._preeditpos[1] + len)
        self._sci.SendScintilla(QsciScintilla.SCI_INDICATORFILLRANGE,
                                p, q - p)  # q - p != len

    def _setuppreeditindic(self):
        """Configure the style of preedit text indicator"""
        self._sci.SendScintilla(QsciScintilla.SCI_INDICSETSTYLE,
                                self.PREEDIT_INDIC_ID,
                                QsciScintilla.INDIC_PLAIN)

class Scintilla(QsciScintilla):

    _stdMenu = None

    def __init__(self, parent=None):
        super(Scintilla, self).__init__(parent)
        self.setUtf8(True)
        self.textChanged.connect(self._resetfindcond)
        self._resetfindcond()

    def inputMethodQuery(self, query):
        if query == Qt.ImMicroFocus:
            return self.cursorRect()
        return super(Scintilla, self).inputMethodQuery(query)

    def inputMethodEvent(self, event):
        if self.isReadOnly():
            return

        self.removeSelectedText()
        self._imsupport.removepreedit()
        self._imsupport.commitstr(event.replacementStart(),
                                  event.replacementLength(),
                                  event.commitString())
        self._imsupport.insertpreedit(event.preeditString())
        for a in event.attributes():
            if a.type == QInputMethodEvent.Cursor:
                self._imsupport.movepreeditcursor(a.start)
            # TODO TextFormat

        event.accept()

    @util.propertycache
    def _imsupport(self):
        return _SciImSupport(self)

    def cursorRect(self):
        """Return a rectangle (in viewport coords) including the cursor"""
        l, i = self.getCursorPosition()
        p = self.positionFromLineIndex(l, i)
        x = self.SendScintilla(QsciScintilla.SCI_POINTXFROMPOSITION, 0, p)
        y = self.SendScintilla(QsciScintilla.SCI_POINTYFROMPOSITION, 0, p)
        w = self.SendScintilla(QsciScintilla.SCI_GETCARETWIDTH)
        return QRect(x, y, w, self.textHeight(l))

    def createStandardContextMenu(self):
        """Create standard context menu"""
        if not self._stdMenu:
            self._stdMenu = QMenu(self)
        else:
            self._stdMenu.clear()
        if not self.isReadOnly():
            a = self._stdMenu.addAction(_('Undo'), self.undo, QKeySequence.Undo)
            a.setEnabled(self.isUndoAvailable())
            a = self._stdMenu.addAction(_('Redo'), self.redo, QKeySequence.Redo)
            a.setEnabled(self.isRedoAvailable())
            self._stdMenu.addSeparator()
            a = self._stdMenu.addAction(_('Cut'), self.cut, QKeySequence.Cut)
            a.setEnabled(self.hasSelectedText())
        a = self._stdMenu.addAction(_('Copy'), self.copy, QKeySequence.Copy)
        a.setEnabled(self.hasSelectedText())
        if not self.isReadOnly():
            self._stdMenu.addAction(_('Paste'), self.paste, QKeySequence.Paste)
            a = self._stdMenu.addAction(_('Delete'), self.removeSelectedText,
                               QKeySequence.Delete)
            a.setEnabled(self.hasSelectedText())
        self._stdMenu.addSeparator()
        self._stdMenu.addAction(_('Select All'),
                                self.selectAll, QKeySequence.SelectAll)
        self._stdMenu.addSeparator()
        qsci = QsciScintilla
        wrapmenu = QMenu(_('Wrap'), self)
        for name, mode in ((_('None', 'wrap mode'), qsci.WrapNone),
                           (_('Word'), qsci.WrapWord),
                           (_('Character'), qsci.WrapCharacter)):
            def mkaction(n, m):
                a = wrapmenu.addAction(n)
                a.setCheckable(True)
                a.setChecked(self.wrapMode() == m)
                a.triggered.connect(lambda: self.setWrapMode(m))
            mkaction(name, mode)
        wsmenu = QMenu(_('Whitespace'), self)
        for name, mode in ((_('Visible'), qsci.WsVisible),
                           (_('Invisible'), qsci.WsInvisible),
                           (_('AfterIndent'), qsci.WsVisibleAfterIndent)):
            def mkaction(n, m):
                a = wsmenu.addAction(n)
                a.setCheckable(True)
                a.setChecked(self.whitespaceVisibility() == m)
                a.triggered.connect(lambda: self.setWhitespaceVisibility(m))
            mkaction(name, mode)
        vsmenu = QMenu(_('EolnVisibility'), self)
        for name, mode in ((_('Visible'), True),
                           (_('Invisible'), False)):
            def mkaction(n, m):
                a = vsmenu.addAction(n)
                a.setCheckable(True)
                a.setChecked(self.eolVisibility() == m)
                a.triggered.connect(lambda: self.setEolVisibility(m))
            mkaction(name, mode)
        acmenu = None
        if not self.isReadOnly():
            acmenu = QMenu(_('AutoComplete'), self)
            for name, value in ((_('Enable'), 2),
                                (_('Disable'), -1)):
                def mkaction(n, v):
                    a = acmenu.addAction(n)
                    a.setCheckable(True)
                    a.setChecked(self.autoCompletionThreshold() == v)
                    a.triggered.connect(lambda: self.setAutoCompletionThreshold(v))
                mkaction(name, value)
        self._stdMenu.addMenu(wrapmenu)
        self._stdMenu.addMenu(wsmenu)
        self._stdMenu.addMenu(vsmenu)
        if (acmenu): self._stdMenu.addMenu(acmenu)
        return self._stdMenu

    def saveSettings(self, qs, prefix):
        qs.setValue(prefix+'/wrap', self.wrapMode())
        qs.setValue(prefix+'/whitespace', self.whitespaceVisibility())
        qs.setValue(prefix+'/eol', self.eolVisibility())
        qs.setValue(prefix+'/autocomplete', self.autoCompletionThreshold())

    def loadSettings(self, qs, prefix):
        self.setWrapMode(qs.value(prefix+'/wrap').toInt()[0])
        self.setWhitespaceVisibility(qs.value(prefix+'/whitespace').toInt()[0])
        self.setEolVisibility(qs.value(prefix+'/eol').toBool())
        self.setAutoCompletionThreshold(qs.value(prefix+'/autocomplete').toInt()[0])

    @pyqtSlot(unicode, bool, bool, bool)
    def find(self, exp, icase=True, wrap=False, forward=True):
        """Find the next/prev occurence; returns True if found

        This method tries to imitate the behavior of QTextEdit.find(),
        unlike combo of QsciScintilla.findFirst() and findNext().
        """
        cond = (exp, True, not icase, False, wrap, forward)
        if cond == self.__findcond:
            return self.findNext()
        else:
            self.__findcond = cond
            return self.findFirst(*cond)

    @pyqtSlot()
    def _resetfindcond(self):
        self.__findcond = ()

    @pyqtSlot(unicode, bool)
    def highlightText(self, match, icase=False):
        """Highlight text matching to the given regexp pattern [unicode]

        The previous highlight is cleared automatically.
        """
        try:
            flags = 0
            if icase:
                flags |= re.IGNORECASE
            pat = re.compile(unicode(match).encode('utf-8'), flags)
        except re.error:
            return  # it could be partial pattern while user typing

        self.clearHighlightText()
        self.SendScintilla(self.SCI_SETINDICATORCURRENT,
                           self._highlightIndicator)

        if len(match) == 0:
            return

        # NOTE: pat and target text are *not* unicode because scintilla
        # requires positions in byte. For accuracy, it should do pattern
        # match in unicode, then calculating byte length of substring::
        #
        #     text = unicode(self.text())
        #     for m in pat.finditer(text):
        #         p = len(text[:m.start()].encode('utf-8'))
        #         self.SendScintilla(self.SCI_INDICATORFILLRANGE,
        #             p, len(m.group(0).encode('utf-8')))
        #
        # but it doesn't to avoid possible performance issue.
        for m in pat.finditer(unicode(self.text()).encode('utf-8')):
            self.SendScintilla(self.SCI_INDICATORFILLRANGE,
                               m.start(), m.end() - m.start())

    @pyqtSlot()
    def clearHighlightText(self):
        self.SendScintilla(self.SCI_SETINDICATORCURRENT,
                           self._highlightIndicator)
        self.SendScintilla(self.SCI_INDICATORCLEARRANGE, 0, self.length())

    @util.propertycache
    def _highlightIndicator(self):
        """Return indicator number for highlight after initializing it"""
        id = self._imsupport.PREEDIT_INDIC_ID - 1
        self.SendScintilla(self.SCI_INDICSETSTYLE, id, self.INDIC_ROUNDBOX)
        self.SendScintilla(self.SCI_INDICSETUNDER, id, True)
        self.SendScintilla(self.SCI_INDICSETFORE, id, 0x00ffff) # 0xbbggrr
        # document says alpha value is 0 to 255, but it looks 0 to 100
        self.SendScintilla(self.SCI_INDICSETALPHA, id, 100)
        return id

    def showHScrollBar(self, show=True):
        self.SendScintilla(self.SCI_SETHSCROLLBAR, show)

class SearchToolBar(QToolBar):
    conditionChanged = pyqtSignal(unicode, bool, bool)
    """Emitted (pattern, icase, wrap) when search condition changed"""

    searchRequested = pyqtSignal(unicode, bool, bool, bool)
    """Emitted (pattern, icase, wrap, forward) when requested"""

    def __init__(self, parent=None, hidable=False, settings=None):
        super(SearchToolBar, self).__init__(_('Search'), parent,
                                            objectName='search',
                                            iconSize=QSize(16, 16))
        if hidable:
            self._close_button = QToolButton(icon=qtlib.geticon('window-close'),
                                             shortcut=Qt.Key_Escape)
            self._close_button.clicked.connect(self.hide)
            self.addWidget(self._close_button)
            self.addWidget(qtlib.Spacer(2, 2))

        self._le = QLineEdit()
        if hasattr(self._le, 'setPlaceholderText'): # Qt >= 4.7
            self._le.setPlaceholderText(_('### regular expression ###'))
        else:
            self._lbl = QLabel(_('Regexp:'),
                               toolTip=_('Regular expression search pattern'))
            self.addWidget(self._lbl)
            self._lbl.setBuddy(self._le)
        self._le.returnPressed.connect(self._emitSearchRequested)
        self.addWidget(self._le)
        self.addWidget(qtlib.Spacer(4, 4))
        self._chk = QCheckBox(_('Ignore case'))
        self.addWidget(self._chk)
        self._wrapchk = QCheckBox(_('Wrap search'))
        self.addWidget(self._wrapchk)
        self._bt = QPushButton(_('Search'), enabled=False)
        self._bt.clicked.connect(self._emitSearchRequested)
        self._le.textChanged.connect(lambda s: self._bt.setEnabled(bool(s)))
        self.addWidget(self._bt)

        self.setFocusProxy(self._le)
        self.setStyleSheet(qtlib.tbstylesheet)

        def defaultsettings():
            s = QSettings()
            s.beginGroup('searchtoolbar')
            return s
        self._settings = settings or defaultsettings()
        self.searchRequested.connect(self._writesettings)
        self._readsettings()

        self._le.textChanged.connect(self._emitConditionChanged)
        self._chk.toggled.connect(self._emitConditionChanged)
        self._wrapchk.toggled.connect(self._emitConditionChanged)

    def keyPressEvent(self, event):
        if event.matches(QKeySequence.FindNext):
            self._emitSearchRequested(forward=True)
            return
        if event.matches(QKeySequence.FindPrevious):
            self._emitSearchRequested(forward=False)
            return
        if event.key() in (Qt.Key_Enter, Qt.Key_Return):
            return  # handled by returnPressed
        super(SearchToolBar, self).keyPressEvent(event)

    def wheelEvent(self, event):
        if event.delta() > 0:
            self._emitSearchRequested(forward=False)
            return
        if event.delta() < 0:
            self._emitSearchRequested(forward=True)
            return
        super(SearchToolBar, self).wheelEvent(event)

    def setVisible(self, visible=True):
        super(SearchToolBar, self).setVisible(visible)
        if visible:
            self._le.setFocus()
            self._le.selectAll()

    def _readsettings(self):
        self.setCaseInsensitive(self._settings.value('icase', False).toBool())
        self.setWrapAround(self._settings.value('wrap', False).toBool())

    @pyqtSlot()
    def _writesettings(self):
        self._settings.setValue('icase', self.caseInsensitive())
        self._settings.setValue('wrap', self.wrapAround())

    @pyqtSlot()
    def _emitConditionChanged(self):
        self.conditionChanged.emit(self.pattern(), self.caseInsensitive(),
                                   self.wrapAround())

    @pyqtSlot()
    def _emitSearchRequested(self, forward=True):
        self.searchRequested.emit(self.pattern(), self.caseInsensitive(),
                                  self.wrapAround(), forward)

    def pattern(self):
        """Returns the current search pattern [unicode]"""
        return self._le.text()

    def setPattern(self, text):
        """Set the search pattern [unicode]"""
        self._le.setText(text)

    def caseInsensitive(self):
        """True if case-insensitive search is requested"""
        return self._chk.isChecked()

    def setCaseInsensitive(self, icase):
        self._chk.setChecked(icase)

    def wrapAround(self):
        """True if wrap search is requested"""
        return self._wrapchk.isChecked()

    def setWrapAround(self, wrap):
        self._wrapchk.setChecked(wrap)

    @pyqtSlot(unicode)
    def search(self, text):
        """Request search with the given pattern"""
        self.setPattern(text)
        self._emitSearchRequested()

class KeyPressInterceptor(QObject):
    """Grab key press events important for dialogs

    Usage::
        sci = qscilib.Scintilla(self)
        sci.installEventFilter(KeyPressInterceptor(self))
    """

    def __init__(self, parent=None, keys=None, keyseqs=None):
        super(KeyPressInterceptor, self).__init__(parent)
        self._keys = set((Qt.Key_Escape,))
        self._keyseqs = set((QKeySequence.Refresh,))
        if keys:
            self._keys.update(keys)
        if keyseqs:
            self._keyseqs.update(keyseqs)

    def eventFilter(self, watched, event):
        if event.type() != QEvent.KeyPress:
            return super(KeyPressInterceptor, self).eventFilter(
                watched, event)
        if self._isinterceptable(event):
            event.ignore()
            return True
        return False

    def _isinterceptable(self, event):
        if event.key() in self._keys:
            return True
        if util.any(event.matches(e) for e in self._keyseqs):
            return True
        return False

def fileEditor(filename, **opts):
    'Open a simple modal file editing dialog'
    dialog = QDialog()
    dialog.setWindowFlags(dialog.windowFlags() & ~Qt.WindowContextHelpButtonHint | Qt.WindowMaximizeButtonHint)
    dialog.setWindowTitle(filename)
    dialog.setLayout(QVBoxLayout())
    editor = Scintilla()
    editor.setBraceMatching(QsciScintilla.SloppyBraceMatch)
    editor.installEventFilter(KeyPressInterceptor(dialog))
    editor.setMarginLineNumbers(1, True)
    editor.setMarginWidth(1, '000')
    editor.setLexer(QsciLexerProperties())
    if opts.get('foldable'):
        editor.setFolding(QsciScintilla.BoxedTreeFoldStyle)
    dialog.layout().addWidget(editor)

    searchbar = SearchToolBar(dialog, hidable=True)
    searchbar.searchRequested.connect(editor.find)
    searchbar.conditionChanged.connect(editor.highlightText)
    searchbar.hide()
    def showsearchbar():
        searchbar.show()
        searchbar.setFocus(Qt.OtherFocusReason)
    QShortcut(QKeySequence.Find, dialog, showsearchbar)
    dialog.layout().addWidget(searchbar)

    BB = QDialogButtonBox
    bb = QDialogButtonBox(BB.Save|BB.Cancel)
    bb.accepted.connect(dialog.accept)
    bb.rejected.connect(dialog.reject)
    dialog.layout().addWidget(bb)

    s = QSettings()
    geomname = 'editor-geom'
    desktopgeom = qApp.desktop().availableGeometry()
    dialog.resize(desktopgeom.size() * 0.5)
    dialog.restoreGeometry(s.value(geomname).toByteArray())

    ret = QDialog.Rejected
    try:
        f = QFile(filename)
        f.open(QIODevice.ReadOnly)
        editor.read(f)
        editor.setModified(False)
        ret = dialog.exec_()
        if ret == QDialog.Accepted:
            f = QFile(filename)
            f.open(QIODevice.WriteOnly)
            editor.write(f)
        s.setValue(geomname, dialog.saveGeometry())
    except EnvironmentError, e:
        qtlib.WarningMsgBox(_('Unable to read/write config file'),
                            hglib.tounicode(str(e)), parent=dialog)
    return ret
Tip: Filter by directory path e.g. /media app.js to search for public/media/app.js.
Tip: Use camelCasing e.g. ProjME to search for ProjectModifiedEvent.java.
Tip: Filter by extension type e.g. /repo .js to search for all .js files in the /repo directory.
Tip: Separate your search with spaces e.g. /ssh pom.xml to search for src/ssh/pom.xml.
Tip: Use ↑ and ↓ arrow keys to navigate and return to view the file.
Tip: You can also navigate files with Ctrl+j (next) and Ctrl+k (previous) and view the file with Ctrl+o.
Tip: You can also navigate files with Alt+j (next) and Alt+k (previous) and view the file with Alt+o.