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novelWriter/novelwriter/gui/doceditor.py
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2023-11-13 22:09:07 +01:00

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"""
novelWriter GUI Document Editor
=================================
File History:
Created: 2018-09-29 [0.0.1] GuiDocEditor
Created: 2019-04-22 [0.0.1] BackgroundWordCounter
Created: 2019-09-29 [0.2.1] GuiDocEditSearch
Created: 2020-04-25 [0.4.5] GuiDocEditHeader
Rewritten: 2020-06-15 [0.9] GuiDocEditSearch
Created: 2020-06-27 [0.10] GuiDocEditFooter
Rewritten: 2020-10-07 [1.0b3] BackgroundWordCounter
Created: 2023-11-06 [2.2b1] MetaCompleter
Created: 2023-11-07 [2.2b1] GuiDocToolBar
This file is a part of novelWriter
Copyright 20182023, Veronica Berglyd Olsen
This program is free software: you can redistribute it and/or modify
it under the terms of the GNU General Public License as published by
the Free Software Foundation, either version 3 of the License, or
(at your option) any later version.
This program is distributed in the hope that it will be useful, but
WITHOUT ANY WARRANTY; without even the implied warranty of
MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
General Public License for more details.
You should have received a copy of the GNU General Public License
along with this program. If not, see <https://www.gnu.org/licenses/>.
"""
from __future__ import annotations
import bisect
import logging
from enum import Enum
from time import time
from typing import TYPE_CHECKING
from PyQt5.QtCore import (
pyqtSignal, pyqtSlot, QObject, QPoint, QRegExp, QRegularExpression,
QRunnable, QSize, Qt, QTimer
)
from PyQt5.QtGui import (
QColor, QCursor, QFont, QKeyEvent, QKeySequence, QMouseEvent, QPalette,
QPixmap, QResizeEvent, QTextBlock, QTextCursor, QTextDocument, QTextOption
)
from PyQt5.QtWidgets import (
QAction, QFrame, QGridLayout, QHBoxLayout, QLabel, QLineEdit, QMenu,
QPlainTextEdit, QPushButton, QShortcut, QToolBar, QToolButton, QVBoxLayout, QWidget,
qApp
)
from novelwriter import CONFIG, SHARED
from novelwriter.enum import nwDocAction, nwDocInsert, nwDocMode, nwItemClass, nwTrinary
from novelwriter.common import minmax, transferCase
from novelwriter.constants import nwKeyWords, nwLabels, nwShortcode, nwUnicode, trConst
from novelwriter.core.item import NWItem
from novelwriter.core.index import countWords
from novelwriter.core.document import NWDocument
from novelwriter.gui.dochighlight import GuiDocHighlighter
from novelwriter.gui.editordocument import GuiTextDocument
from novelwriter.extensions.wheeleventfilter import WheelEventFilter
if TYPE_CHECKING: # pragma: no cover
from novelwriter.guimain import GuiMain
logger = logging.getLogger(__name__)
class _SelectAction(Enum):
NO_DECISION = 0
KEEP_SELECTION = 1
KEEP_POSITION = 2
MOVE_AFTER = 3
# END Class _SelectAction
class GuiDocEditor(QPlainTextEdit):
"""Gui Widget: Main Document Editor"""
MOVE_KEYS = (
Qt.Key_Left, Qt.Key_Right, Qt.Key_Up, Qt.Key_Down,
Qt.Key_PageUp, Qt.Key_PageDown
)
# Custom Signals
statusMessage = pyqtSignal(str)
docCountsChanged = pyqtSignal(str, int, int, int)
editedStatusChanged = pyqtSignal(bool)
loadDocumentTagRequest = pyqtSignal(str, Enum)
novelStructureChanged = pyqtSignal()
novelItemMetaChanged = pyqtSignal(str)
spellCheckStateChanged = pyqtSignal(bool)
closeDocumentRequest = pyqtSignal()
toggleFocusModeRequest = pyqtSignal()
def __init__(self, mainGui: GuiMain) -> None:
super().__init__(parent=mainGui)
logger.debug("Create: GuiDocEditor")
# Class Variables
self.mainGui = mainGui
self._nwDocument = None
self._nwItem = None
self._docChanged = False # Flag for changed status of document
self._docHandle = None # The handle of the open document
self._vpMargin = 0 # The editor viewport margin, set during init
# Document Variables
self._lastEdit = 0.0 # Timestamp of last edit
self._lastActive = 0.0 # Timestamp of last activity
self._lastFind = None # Position of the last found search word
self._doReplace = False # Switch to temporarily disable auto-replace
# Typography Cache
self._typPadChar = " "
self._typDQuoteO = '"'
self._typDQuoteC = '"'
self._typSQuoteO = "'"
self._typSQuoteC = "'"
self._typRepDQuote = False
self._typRepSQuote = False
self._typRepDash = False
self._typRepDots = False
self._typPadBefore = ""
self._typPadAfter = ""
# Completer
self._completer = MetaCompleter(self)
self._completer.complete.connect(self._insertCompletion)
# Create Custom Document
self._qDocument = GuiTextDocument(self)
self.setDocument(self._qDocument)
# Connect Signals
self._qDocument.contentsChange.connect(self._docChange)
self.selectionChanged.connect(self._updateSelectedStatus)
self.spellCheckStateChanged.connect(self._qDocument.setSpellCheckState)
# Document Title
self.docHeader = GuiDocEditHeader(self)
self.docFooter = GuiDocEditFooter(self)
self.docSearch = GuiDocEditSearch(self)
self.docToolBar = GuiDocToolBar(self)
# Connect Signals
self.docHeader.closeDocumentRequest.connect(self._closeCurrentDocument)
self.docHeader.toggleToolBarRequest.connect(self._toggleToolBarVisibility)
self.docToolBar.requestDocAction.connect(self.docAction)
# Context Menu
self.setContextMenuPolicy(Qt.CustomContextMenu)
self.customContextMenuRequested.connect(self._openContextMenu)
# Editor Settings
self.setMinimumWidth(CONFIG.pxInt(300))
self.setAutoFillBackground(True)
self.setFrameStyle(QFrame.NoFrame)
# Custom Shortcuts
self.keyContext = QShortcut(self)
self.keyContext.setKey("Ctrl+.")
self.keyContext.setContext(Qt.WidgetShortcut)
self.keyContext.activated.connect(self._openContextFromCursor)
self.followTag1 = QShortcut(self)
self.followTag1.setKey(Qt.Key_Return | Qt.ControlModifier)
self.followTag1.setContext(Qt.WidgetShortcut)
self.followTag1.activated.connect(self._processTag)
self.followTag2 = QShortcut(self)
self.followTag2.setKey(Qt.Key_Enter | Qt.ControlModifier)
self.followTag2.setContext(Qt.WidgetShortcut)
self.followTag2.activated.connect(self._processTag)
# Set Up Document Word Counter
self.wcTimerDoc = QTimer()
self.wcTimerDoc.timeout.connect(self._runDocCounter)
self.wCounterDoc = BackgroundWordCounter(self)
self.wCounterDoc.setAutoDelete(False)
self.wCounterDoc.signals.countsReady.connect(self._updateDocCounts)
self.wcInterval = CONFIG.wordCountTimer
# Set Up Selection Word Counter
self.wcTimerSel = QTimer()
self.wcTimerSel.timeout.connect(self._runSelCounter)
self.wcTimerSel.setInterval(500)
self.wCounterSel = BackgroundWordCounter(self, forSelection=True)
self.wCounterSel.setAutoDelete(False)
self.wCounterSel.signals.countsReady.connect(self._updateSelCounts)
# Install Event Filter for Mouse Wheel
self.wheelEventFilter = WheelEventFilter(self)
self.installEventFilter(self.wheelEventFilter)
# Finalise
self.updateSyntaxColours()
self.initEditor()
logger.debug("Ready: GuiDocEditor")
return
##
# Properties
##
@property
def docChanged(self) -> bool:
"""Return the changed status of the document."""
return self._docChanged
@property
def docHandle(self) -> str | None:
"""Return the handle of the currently open document."""
return self._docHandle
@property
def lastActive(self) -> float:
"""Return the last active timestamp for the user."""
return self._lastActive
@property
def isEmpty(self) -> bool:
"""Check if the current document is empty."""
return self._qDocument.isEmpty()
##
# Methods
##
def clearEditor(self) -> None:
"""Clear the current document and reset all document-related
flags and counters.
"""
self._nwDocument = None
self.setReadOnly(True)
self.clear()
self.wcTimerDoc.stop()
self.wcTimerSel.stop()
self._docHandle = None
self._lastEdit = 0.0
self._lastActive = 0.0
self._lastFind = None
self._doReplace = False
self.setDocumentChanged(False)
self.docHeader.setTitleFromHandle(self._docHandle)
self.docFooter.setHandle(self._docHandle)
self.docToolBar.setVisible(False)
return
def updateTheme(self) -> None:
"""Update theme elements."""
self.docSearch.updateTheme()
self.docHeader.updateTheme()
self.docFooter.updateTheme()
self.docToolBar.updateTheme()
return
def updateSyntaxColours(self) -> None:
"""Update the syntax highlighting theme."""
mainPalette = self.palette()
mainPalette.setColor(QPalette.Window, QColor(*SHARED.theme.colBack))
mainPalette.setColor(QPalette.Base, QColor(*SHARED.theme.colBack))
mainPalette.setColor(QPalette.Text, QColor(*SHARED.theme.colText))
self.setPalette(mainPalette)
docPalette = self.viewport().palette()
docPalette.setColor(QPalette.Base, QColor(*SHARED.theme.colBack))
docPalette.setColor(QPalette.Text, QColor(*SHARED.theme.colText))
self.viewport().setPalette(docPalette)
self.docHeader.matchColours()
self.docFooter.matchColours()
self._qDocument.syntaxHighlighter.initHighlighter()
return
def initEditor(self) -> None:
"""Initialise or re-initialise the editor with the user's
settings. This function is both called when the editor is
created, and when the user changes the main editor preferences.
"""
# Typography
if CONFIG.fmtPadThin:
self._typPadChar = nwUnicode.U_THNBSP
else:
self._typPadChar = nwUnicode.U_NBSP
self._typSQuoteO = CONFIG.fmtSQuoteOpen
self._typSQuoteC = CONFIG.fmtSQuoteClose
self._typDQuoteO = CONFIG.fmtDQuoteOpen
self._typDQuoteC = CONFIG.fmtDQuoteClose
self._typRepDQuote = CONFIG.doReplaceDQuote
self._typRepSQuote = CONFIG.doReplaceSQuote
self._typRepDash = CONFIG.doReplaceDash
self._typRepDots = CONFIG.doReplaceDots
self._typPadBefore = CONFIG.fmtPadBefore
self._typPadAfter = CONFIG.fmtPadAfter
# Reload spell check and dictionaries
SHARED.updateSpellCheckLanguage()
# Set font
textFont = QFont()
textFont.setFamily(CONFIG.textFont)
textFont.setPointSize(CONFIG.textSize)
self.setFont(textFont)
# Set default text margins
# Due to cursor visibility, a part of the margin must be
# allocated to the document itself. See issue #1112.
self._qDocument.setDocumentMargin(4)
self._vpMargin = max(CONFIG.getTextMargin() - 4, 0)
self.setViewportMargins(self._vpMargin, self._vpMargin, self._vpMargin, self._vpMargin)
# Also set the document text options for the document text flow
options = QTextOption()
if CONFIG.doJustify:
options.setAlignment(Qt.AlignJustify)
if CONFIG.showTabsNSpaces:
options.setFlags(options.flags() | QTextOption.ShowTabsAndSpaces)
if CONFIG.showLineEndings:
options.setFlags(options.flags() | QTextOption.ShowLineAndParagraphSeparators)
self._qDocument.setDefaultTextOption(options)
# Scrolling
self.setCenterOnScroll(CONFIG.scrollPastEnd)
if CONFIG.hideVScroll:
self.setVerticalScrollBarPolicy(Qt.ScrollBarAlwaysOff)
else:
self.setVerticalScrollBarPolicy(Qt.ScrollBarAsNeeded)
if CONFIG.hideHScroll:
self.setHorizontalScrollBarPolicy(Qt.ScrollBarAlwaysOff)
else:
self.setHorizontalScrollBarPolicy(Qt.ScrollBarAsNeeded)
# Refresh the tab stops
self.setTabStopDistance(CONFIG.getTabWidth())
# Configure word count timer
self.wcInterval = CONFIG.wordCountTimer
self.wcTimerDoc.setInterval(int(self.wcInterval*1000))
# If we have a document open, we should reload it in case the
# font changed, otherwise we just clear the editor entirely,
# which makes it read only.
if self._docHandle is None:
self.clearEditor()
else:
self._qDocument.syntaxHighlighter.rehighlight()
return
def loadText(self, tHandle, tLine=None) -> bool:
"""Load text from a document into the editor. If we have an I/O
error, we must handle this and clear the editor so that we don't
risk overwriting the file if it exists. This can for instance
happen of the file contains binary elements or an encoding that
novelWriter does not support. If loading is successful, or the
document is new (empty string), we set up the editor for editing
the file.
"""
self._nwDocument = SHARED.project.storage.getDocument(tHandle)
self._nwItem = self._nwDocument.nwItem
docText = self._nwDocument.readDocument()
if docText is None:
# There was an I/O error
self.clearEditor()
return False
qApp.setOverrideCursor(QCursor(Qt.WaitCursor))
self._docHandle = tHandle
self._allowAutoReplace(False)
self._qDocument.setTextContent(docText, tHandle)
self._allowAutoReplace(True)
qApp.processEvents()
self._lastEdit = time()
self._lastActive = time()
self._runDocCounter()
self.wcTimerDoc.start()
self.setReadOnly(False)
self.docHeader.setTitleFromHandle(self._docHandle)
self.docFooter.setHandle(self._docHandle)
self.updateDocMargins()
if tLine is None and self._nwItem is not None:
self.setCursorPosition(self._nwItem.cursorPos)
elif isinstance(tLine, int):
self.setCursorLine(tLine)
self.docFooter.updateLineCount()
# This is a hack to fix invisible cursor on an empty document
if self._qDocument.characterCount() <= 1:
self.setPlainText("\n")
self.setPlainText("")
self.setCursorPosition(0)
qApp.processEvents()
self.setDocumentChanged(False)
self._qDocument.clearUndoRedoStacks()
self.docToolBar.setVisible(CONFIG.showEditToolBar)
qApp.restoreOverrideCursor()
# Update the status bar
if self._nwItem is not None:
self.statusMessage.emit(self.tr("Opened Document: {0}").format(self._nwItem.itemName))
return True
def updateTagHighLighting(self) -> None:
"""Rerun the syntax highlighter on all meta data lines."""
self._qDocument.syntaxHighlighter.rehighlightByType(GuiDocHighlighter.BLOCK_META)
return
def replaceText(self, text: str) -> None:
"""Replace the text of the current document with the provided
text. This also clears undo history.
"""
qApp.setOverrideCursor(QCursor(Qt.WaitCursor))
self.setPlainText(text)
self.updateDocMargins()
self.setDocumentChanged(True)
qApp.restoreOverrideCursor()
return
def saveText(self) -> bool:
"""Save the text currently in the editor to the NWDocument
object, and update the NWItem meta data.
"""
if self._nwItem is None or self._nwDocument is None:
logger.error("Cannot save text as no document is open")
return False
tHandle = self._nwItem.itemHandle
if self._docHandle != tHandle:
logger.error(
"Editor handle '%s' and item handle '%s' do not match", self._docHandle, tHandle
)
return False
docText = self.getText()
cC, wC, pC = countWords(docText)
self._updateDocCounts(cC, wC, pC)
self.saveCursorPosition()
if not self._nwDocument.writeDocument(docText):
saveOk = False
if self._nwDocument.hashError:
msgYes = SHARED.question(self.tr(
"This document has been changed outside of novelWriter "
"while it was open. Overwrite the file on disk?"
))
if msgYes:
saveOk = self._nwDocument.writeDocument(docText, forceWrite=True)
if not saveOk:
SHARED.error(
self.tr("Could not save document."),
info=self._nwDocument.getError()
)
return False
self.setDocumentChanged(False)
oldHeader = self._nwItem.mainHeading
oldCount = SHARED.project.index.getHandleHeaderCount(tHandle)
SHARED.project.index.scanText(tHandle, docText)
newHeader = self._nwItem.mainHeading
newCount = SHARED.project.index.getHandleHeaderCount(tHandle)
if self._nwItem.itemClass == nwItemClass.NOVEL:
if oldCount == newCount:
self.novelItemMetaChanged.emit(tHandle)
else:
self.novelStructureChanged.emit()
# ToDo: This should be a signal
if oldHeader != newHeader:
self.mainGui.projView.setTreeItemValues(tHandle)
self.mainGui.itemDetails.updateViewBox(tHandle)
self.docFooter.updateInfo()
# Update the status bar
self.statusMessage.emit(self.tr("Saved Document: {0}").format(self._nwItem.itemName))
return True
def updateDocMargins(self) -> None:
"""Automatically adjust the margins so the text is centred if
we have a text width set or we're in Focus Mode. Otherwise, just
ensure the margins are set correctly.
"""
wW = self.width()
wH = self.height()
vBar = self.verticalScrollBar()
sW = vBar.width() if vBar.isVisible() else 0
hBar = self.horizontalScrollBar()
sH = hBar.height() if hBar.isVisible() else 0
tM = self._vpMargin
if CONFIG.textWidth > 0 or self.mainGui.isFocusMode:
tW = CONFIG.getTextWidth(self.mainGui.isFocusMode)
tM = max((wW - sW - tW)//2, self._vpMargin)
tB = self.frameWidth()
tW = wW - 2*tB - sW
tH = self.docHeader.height()
fH = self.docFooter.height()
fY = wH - fH - tB - sH
self.docHeader.setGeometry(tB, tB, tW, tH)
self.docFooter.setGeometry(tB, fY, tW, fH)
self.docToolBar.move(0, tH)
rH = 0
if self.docSearch.isVisible():
rH = self.docSearch.height()
rW = self.docSearch.width()
rL = wW - sW - rW - 2*tB
self.docSearch.move(rL, 2*tB)
uM = max(self._vpMargin, tH, rH)
lM = max(self._vpMargin, fH)
self.setViewportMargins(tM, uM, tM, lM)
return
##
# Getters
##
def getText(self) -> str:
"""Get the text content of the current document. This method uses
QTextDocument->toRawText instead of toPlainText. The former preserves
non-breaking spaces, the latter does not. We still want to get rid of
paragraph and line separators though.
See: https://doc.qt.io/qt-5/qtextdocument.html#toPlainText
"""
text = self._qDocument.toRawText()
text = text.replace(nwUnicode.U_LSEP, "\n") # Line separators
text = text.replace(nwUnicode.U_PSEP, "\n") # Paragraph separators
return text
def getCursorPosition(self) -> int:
"""Find the cursor position in the document. If the editor has a
selection, return the position of the end of the selection.
"""
return self.textCursor().selectionEnd()
##
# Setters
##
def setDocumentChanged(self, state: bool) -> bool:
"""Keep track of the document changed variable, and emit the
document change signal.
"""
self._docChanged = state
self.editedStatusChanged.emit(self._docChanged)
return self._docChanged
def setCursorPosition(self, position: int) -> None:
"""Move the cursor to a given position in the document."""
nChars = self._qDocument.characterCount()
if nChars > 1 and isinstance(position, int):
cursor = self.textCursor()
cursor.setPosition(minmax(position, 0, nChars-1))
self.setTextCursor(cursor)
self.centerCursor()
self.docFooter.updateLineCount()
return
def saveCursorPosition(self) -> None:
"""Save the cursor position to the current project item."""
if self._nwItem is not None:
cursPos = self.getCursorPosition()
self._nwItem.setCursorPos(cursPos)
return
def setCursorLine(self, line: int | None) -> None:
"""Move the cursor to a given line in the document."""
if isinstance(line, int) and line > 0:
block = self._qDocument.findBlockByNumber(line - 1)
if block:
self.setCursorPosition(block.position())
logger.debug("Cursor moved to line %d", line)
return
##
# Spell Checking
##
def toggleSpellCheck(self, state: bool | None) -> None:
"""This is the main spell check setting function, and this one
should call all other setSpellCheck functions in other classes.
If the spell check state is not defined (None), then toggle the
current status saved in this class.
"""
if state is None:
state = not SHARED.project.data.spellCheck
if SHARED.spelling.spellLanguage is None:
state = False
if state and not CONFIG.hasEnchant:
SHARED.info(self.tr(
"Spell checking requires the package PyEnchant. "
"It does not appear to be installed."
))
state = False
SHARED.project.data.setSpellCheck(state)
self.spellCheckStateChanged.emit(state)
self.spellCheckDocument()
logger.debug("Spell check is set to '%s'", str(state))
return
def spellCheckDocument(self) -> None:
"""Rerun the highlighter to update spell checking status of the
currently loaded text. The fastest way to do this, at least as
of Qt 5.13, is to clear the text and put it back. This clears
the undo stack, so we only do it for big documents.
"""
logger.debug("Running spell checker")
start = time()
qApp.setOverrideCursor(QCursor(Qt.WaitCursor))
self._qDocument.syntaxHighlighter.rehighlight()
qApp.restoreOverrideCursor()
logger.debug("Document highlighted in %.3f ms", 1000*(time() - start))
self.statusMessage.emit(self.tr("Spell check complete"))
return
##
# General Class Methods
##
def docAction(self, action: nwDocAction) -> bool:
"""Perform an action on the current document based on an action
flag. This is just a single entry point wrapper function to
ensure all the feature functions get the correct information
passed to it without having to consider the internal logic of
this class when calling these actions from other classes.
"""
if self._docHandle is None:
logger.error("No document open")
return False
if not isinstance(action, nwDocAction):
logger.error("Not a document action")
return False
logger.debug("Requesting action: %s", action.name)
self._allowAutoReplace(False)
if action == nwDocAction.UNDO:
self.undo()
elif action == nwDocAction.REDO:
self.redo()
elif action == nwDocAction.CUT:
self.cut()
elif action == nwDocAction.COPY:
self.copy()
elif action == nwDocAction.PASTE:
self.paste()
elif action == nwDocAction.EMPH:
self._toggleFormat(1, "_")
elif action == nwDocAction.STRONG:
self._toggleFormat(2, "*")
elif action == nwDocAction.STRIKE:
self._toggleFormat(2, "~")
elif action == nwDocAction.S_QUOTE:
self._wrapSelection(self._typSQuoteO, self._typSQuoteC)
elif action == nwDocAction.D_QUOTE:
self._wrapSelection(self._typDQuoteO, self._typDQuoteC)
elif action == nwDocAction.SEL_ALL:
self._makeSelection(QTextCursor.Document)
elif action == nwDocAction.SEL_PARA:
self._makeSelection(QTextCursor.BlockUnderCursor)
elif action == nwDocAction.BLOCK_H1:
self._formatBlock(nwDocAction.BLOCK_H1)
elif action == nwDocAction.BLOCK_H2:
self._formatBlock(nwDocAction.BLOCK_H2)
elif action == nwDocAction.BLOCK_H3:
self._formatBlock(nwDocAction.BLOCK_H3)
elif action == nwDocAction.BLOCK_H4:
self._formatBlock(nwDocAction.BLOCK_H4)
elif action == nwDocAction.BLOCK_COM:
self._formatBlock(nwDocAction.BLOCK_COM)
elif action == nwDocAction.BLOCK_TXT:
self._formatBlock(nwDocAction.BLOCK_TXT)
elif action == nwDocAction.BLOCK_TTL:
self._formatBlock(nwDocAction.BLOCK_TTL)
elif action == nwDocAction.BLOCK_UNN:
self._formatBlock(nwDocAction.BLOCK_UNN)
elif action == nwDocAction.REPL_SNG:
self._replaceQuotes("'", self._typSQuoteO, self._typSQuoteC)
elif action == nwDocAction.REPL_DBL:
self._replaceQuotes("\"", self._typDQuoteO, self._typDQuoteC)
elif action == nwDocAction.RM_BREAKS:
self._removeInParLineBreaks()
elif action == nwDocAction.ALIGN_L:
self._formatBlock(nwDocAction.ALIGN_L)
elif action == nwDocAction.ALIGN_C:
self._formatBlock(nwDocAction.ALIGN_C)
elif action == nwDocAction.ALIGN_R:
self._formatBlock(nwDocAction.ALIGN_R)
elif action == nwDocAction.INDENT_L:
self._formatBlock(nwDocAction.INDENT_L)
elif action == nwDocAction.INDENT_R:
self._formatBlock(nwDocAction.INDENT_R)
elif action == nwDocAction.SC_ITALIC:
self._wrapSelection(nwShortcode.ITALIC_O, nwShortcode.ITALIC_C)
elif action == nwDocAction.SC_BOLD:
self._wrapSelection(nwShortcode.BOLD_O, nwShortcode.BOLD_C)
elif action == nwDocAction.SC_STRIKE:
self._wrapSelection(nwShortcode.STRIKE_O, nwShortcode.STRIKE_C)
elif action == nwDocAction.SC_ULINE:
self._wrapSelection(nwShortcode.ULINE_O, nwShortcode.ULINE_C)
elif action == nwDocAction.SC_SUP:
self._wrapSelection(nwShortcode.SUP_O, nwShortcode.SUP_C)
elif action == nwDocAction.SC_SUB:
self._wrapSelection(nwShortcode.SUB_O, nwShortcode.SUB_C)
else:
logger.debug("Unknown or unsupported document action '%s'", str(action))
self._allowAutoReplace(True)
return False
self._allowAutoReplace(True)
self._lastActive = time()
return True
def anyFocus(self) -> bool:
"""Check if any widget or child widget has focus."""
if self.hasFocus():
return True
if self.isAncestorOf(qApp.focusWidget()):
return True
return False
def revealLocation(self) -> None:
"""Tell the user where on the file system the file in the editor
is saved.
"""
if isinstance(self._nwDocument, NWDocument):
SHARED.info(
"<br>".join([
self.tr("Document Details"),
""*40,
self.tr("Created: {0}").format(self._nwDocument.createdDate),
self.tr("Updated: {0}").format(self._nwDocument.updatedDate),
]),
details=self.tr("File Location: {0}").format(self._nwDocument.fileLocation),
log=False
)
return
def insertText(self, insert: str | nwDocInsert) -> bool:
"""Insert a specific type of text at the cursor position."""
if self._docHandle is None:
logger.error("No document open")
return False
newBlock = False
goAfter = False
if isinstance(insert, str):
text = insert
elif isinstance(insert, nwDocInsert):
if insert == nwDocInsert.QUOTE_LS:
text = self._typSQuoteO
elif insert == nwDocInsert.QUOTE_RS:
text = self._typSQuoteC
elif insert == nwDocInsert.QUOTE_LD:
text = self._typDQuoteO
elif insert == nwDocInsert.QUOTE_RD:
text = self._typDQuoteC
elif insert == nwDocInsert.SYNOPSIS:
text = "% Synopsis: "
newBlock = True
goAfter = True
elif insert == nwDocInsert.NEW_PAGE:
text = "[newpage]"
newBlock = True
goAfter = False
elif insert == nwDocInsert.VSPACE_S:
text = "[vspace]"
newBlock = True
goAfter = False
elif insert == nwDocInsert.VSPACE_M:
text = "[vspace:2]"
newBlock = True
goAfter = False
else:
return False
else:
return False
if newBlock:
self.insertNewBlock(text, defaultAfter=goAfter)
else:
cursor = self.textCursor()
cursor.beginEditBlock()
cursor.insertText(text)
cursor.endEditBlock()
return True
def insertNewBlock(self, text: str, defaultAfter: bool = True) -> bool:
"""Insert a piece of text on a blank line."""
cursor = self.textCursor()
block = cursor.block()
if not block.isValid():
logger.error("Not a valid text block")
return False
sPos = block.position()
sLen = block.length()
cursor.beginEditBlock()
if sLen > 1 and defaultAfter:
cursor.setPosition(sPos + sLen - 1)
cursor.insertText("\n")
else:
cursor.setPosition(sPos)
cursor.insertText(text)
if sLen > 1 and not defaultAfter:
cursor.insertText("\n")
cursor.endEditBlock()
self.setTextCursor(cursor)
return True
def closeSearch(self) -> bool:
"""Close the search box."""
self.docSearch.closeSearch()
return self.docSearch.isVisible()
##
# Document Events and Maintenance
##
def keyPressEvent(self, event: QKeyEvent) -> None:
"""Intercept key press events.
We need to intercept a few key sequences:
* The return and enter keys redirect here even if the search
box has focus. Since we need these keys to continue search,
we block any further interaction here while it has focus.
* The undo/redo/select all sequences bypass the docAction
pathway from the menu, so we redirect them back from here.
* We also handle automatic scrolling here.
"""
self._lastActive = time()
isReturn = event.key() == Qt.Key_Return
isReturn |= event.key() == Qt.Key_Enter
if isReturn and self.docSearch.anyFocus():
return
elif event == QKeySequence.Redo:
self.docAction(nwDocAction.REDO)
return
elif event == QKeySequence.Undo:
self.docAction(nwDocAction.UNDO)
return
elif event == QKeySequence.SelectAll:
self.docAction(nwDocAction.SEL_ALL)
return
if CONFIG.autoScroll:
cPos = self.cursorRect().topLeft().y()
super().keyPressEvent(event)
nPos = self.cursorRect().topLeft().y()
kMod = event.modifiers()
okMod = kMod == Qt.NoModifier or kMod == Qt.ShiftModifier
okKey = event.key() not in self.MOVE_KEYS
if nPos != cPos and okMod and okKey:
mPos = CONFIG.autoScrollPos*0.01 * self.viewport().height()
if cPos > mPos:
vBar = self.verticalScrollBar()
vBar.setValue(vBar.value() + (1 if nPos > cPos else -1))
else:
super().keyPressEvent(event)
self.docFooter.updateLineCount()
return
def focusNextPrevChild(self, next: bool) -> bool:
"""Capture the focus request from the tab key on the text
editor. If the editor has focus, we do not change focus and
allow the editor to insert a tab. If the search bar has focus,
we forward the call to the search object.
"""
if self.hasFocus():
return False
elif self.docSearch.isVisible():
return self.docSearch.cycleFocus(next)
return True
def mouseReleaseEvent(self, event: QMouseEvent) -> None:
"""If the mouse button is released and the control key is
pressed, check if we're clicking on a tag, and trigger the
follow tag function.
"""
if qApp.keyboardModifiers() == Qt.ControlModifier:
self._processTag(self.cursorForPosition(event.pos()))
super().mouseReleaseEvent(event)
self.docFooter.updateLineCount()
return
def resizeEvent(self, event: QResizeEvent) -> None:
"""If the text editor is resized, we must make sure the document
has its margins adjusted according to user preferences.
"""
self.updateDocMargins()
super().resizeEvent(event)
return
##
# Public Slots
##
@pyqtSlot(str)
def updateDocInfo(self, tHandle: str) -> None:
"""Called when an item label is changed to check if the document
title bar needs updating,
"""
if tHandle == self._docHandle:
self.docHeader.setTitleFromHandle(self._docHandle)
self.docFooter.updateInfo()
self.updateDocMargins()
return
@pyqtSlot(str)
def insertKeyWord(self, keyword: str) -> bool:
"""Insert a keyword in the text editor, at the cursor position.
If the insert line is not blank, a new line is started.
"""
if keyword not in nwKeyWords.VALID_KEYS:
logger.error("Invalid keyword '%s'", keyword)
return False
logger.debug("Inserting keyword '%s'", keyword)
state = self.insertNewBlock("%s: " % keyword)
return state
@pyqtSlot()
def toggleSearch(self) -> None:
"""Toggle the visibility of the search box."""
if self.docSearch.isVisible():
self.docSearch.closeSearch()
else:
self.beginSearch()
return
##
# Private Slots
##
@pyqtSlot(int, int, int)
def _docChange(self, pos: int, removed: int, added: int) -> None:
"""Triggered by QTextDocument->contentsChanged. This also
triggers the syntax highlighter.
"""
self._lastEdit = time()
self._lastFind = None
if not self._docChanged:
self.setDocumentChanged(removed != 0 or added != 0)
if not self.wcTimerDoc.isActive():
self.wcTimerDoc.start()
block = self._qDocument.findBlock(pos)
if not block.isValid():
return
text = block.text()
if text.startswith("@") and added + removed == 1:
# Only run on single keypresses, otherwise it will trigger
# at unwanted times when other changes are made to the document
cursor = self.textCursor()
bPos = cursor.positionInBlock()
if bPos > 0:
show = self._completer.updateText(text, bPos)
point = self.cursorRect().bottomRight()
self._completer.move(self.viewport().mapToGlobal(point))
self._completer.setVisible(show)
else:
self._completer.setVisible(False)
if self._doReplace and added == 1:
self._docAutoReplace(text)
return
@pyqtSlot(int, int, str)
def _insertCompletion(self, pos: int, length: int, text: str) -> None:
"""Insert choice from the completer menu."""
cursor = self.textCursor()
block = cursor.block()
if block.isValid():
pos += block.position()
cursor.setPosition(pos, QTextCursor.MoveMode.MoveAnchor)
cursor.setPosition(pos + length, QTextCursor.MoveMode.KeepAnchor)
cursor.insertText(text)
self._completer.hide()
return
@pyqtSlot("QPoint")
def _openContextMenu(self, pos: QPoint) -> None:
"""Triggered by right click to open the context menu. Also
triggered by the Ctrl+. shortcut.
"""
uCursor = self.textCursor()
pCursor = self.cursorForPosition(pos)
ctxMenu = QMenu(self)
# Follow
status = self._processTag(cursor=pCursor, follow=False)
if status == nwTrinary.POSITIVE:
aTag = ctxMenu.addAction(self.tr("Follow Tag"))
aTag.triggered.connect(lambda: self._processTag(cursor=pCursor, follow=True))
ctxMenu.addSeparator()
elif status == nwTrinary.NEGATIVE:
aTag = ctxMenu.addAction(self.tr("Create Note for Tag"))
aTag.triggered.connect(lambda: self._processTag(cursor=pCursor, create=True))
ctxMenu.addSeparator()
# Cut, Copy and Paste
if uCursor.hasSelection():
aCut = ctxMenu.addAction(self.tr("Cut"))
aCut.triggered.connect(lambda: self.docAction(nwDocAction.CUT))
aCopy = ctxMenu.addAction(self.tr("Copy"))
aCopy.triggered.connect(lambda: self.docAction(nwDocAction.COPY))
aPaste = ctxMenu.addAction(self.tr("Paste"))
aPaste.triggered.connect(lambda: self.docAction(nwDocAction.PASTE))
ctxMenu.addSeparator()
# Selections
aSAll = ctxMenu.addAction(self.tr("Select All"))
aSAll.triggered.connect(lambda: self.docAction(nwDocAction.SEL_ALL))
aSWrd = ctxMenu.addAction(self.tr("Select Word"))
aSWrd.triggered.connect(lambda: self._makePosSelection(QTextCursor.WordUnderCursor, pos))
aSPar = ctxMenu.addAction(self.tr("Select Paragraph"))
aSPar.triggered.connect(lambda: self._makePosSelection(QTextCursor.BlockUnderCursor, pos))
# Spell Checking
if SHARED.project.data.spellCheck:
word, cPos, cLen, suggest = self._qDocument.spellErrorAtPos(pCursor.position())
if word and cPos >= 0 and cLen > 0:
logger.debug("Word '%s' is misspelled", word)
block = pCursor.block()
sCursor = self.textCursor()
sCursor.setPosition(block.position() + cPos)
sCursor.movePosition(QTextCursor.Right, QTextCursor.KeepAnchor, cLen)
if suggest:
ctxMenu.addSeparator()
ctxMenu.addAction(self.tr("Spelling Suggestion(s)"))
for option in suggest[:15]:
aFix = ctxMenu.addAction(f"{nwUnicode.U_ENDASH} {option}")
aFix.triggered.connect(
lambda _, option=option: self._correctWord(sCursor, option)
)
else:
ctxMenu.addAction("%s %s" % (nwUnicode.U_ENDASH, self.tr("No Suggestions")))
ctxMenu.addSeparator()
aAdd = ctxMenu.addAction(self.tr("Add Word to Dictionary"))
aAdd.triggered.connect(lambda: self._addWord(word, block))
# Execute the context menu
ctxMenu.exec_(self.viewport().mapToGlobal(pos))
return
@pyqtSlot("QTextCursor", str)
def _correctWord(self, cursor: QTextCursor, word: str) -> None:
"""Slot for the spell check context menu triggering the
replacement of a word with the word from the dictionary.
"""
pos = cursor.selectionStart()
cursor.beginEditBlock()
cursor.removeSelectedText()
cursor.insertText(word)
cursor.endEditBlock()
cursor.setPosition(pos)
self.setTextCursor(cursor)
return
@pyqtSlot(str, "QTextBlock")
def _addWord(self, word: str, block: QTextBlock) -> None:
"""Slot for the spell check context menu triggered when the user
wants to add a word to the project dictionary.
"""
logger.debug("Added '%s' to project dictionary", word)
SHARED.spelling.addWord(word)
self._qDocument.syntaxHighlighter.rehighlightBlock(block)
return
@pyqtSlot()
def _runDocCounter(self) -> None:
"""Decide whether to run the word counter, or not due to
inactivity.
"""
if self._docHandle is None:
return
if self.wCounterDoc.isRunning():
logger.debug("Word counter is busy")
return
if time() - self._lastEdit < 5.0 * self.wcInterval:
logger.debug("Running word counter")
SHARED.runInThreadPool(self.wCounterDoc)
return
@pyqtSlot(int, int, int)
def _updateDocCounts(self, cCount: int, wCount: int, pCount: int) -> None:
"""Process the word counter's finished signal."""
if self._docHandle is None or self._nwItem is None:
return
logger.debug("Updating word count")
self._nwItem.setCharCount(cCount)
self._nwItem.setWordCount(wCount)
self._nwItem.setParaCount(pCount)
# Must not be emitted if docHandle is None!
self.docCountsChanged.emit(self._docHandle, cCount, wCount, pCount)
self.docFooter.updateCounts()
return
@pyqtSlot()
def _updateSelectedStatus(self) -> None:
"""The user made a change in text selection. Forward this
information to the footer, and start the selection word counter.
"""
if self.textCursor().hasSelection():
if not self.wcTimerSel.isActive():
self.wcTimerSel.start()
self.docFooter.setHasSelection(True)
else:
self.wcTimerSel.stop()
self.docFooter.setHasSelection(False)
self.docFooter.updateCounts()
return
@pyqtSlot()
def _runSelCounter(self) -> None:
"""Update the selection word count."""
if self._docHandle is None:
return
if self.wCounterSel.isRunning():
logger.debug("Selection word counter is busy")
return
SHARED.runInThreadPool(self.wCounterSel)
return
@pyqtSlot(int, int, int)
def _updateSelCounts(self, cCount: int, wCount: int, pCount: int) -> None:
"""Update the counts on the counter's finished signal."""
if self._docHandle is None or self._nwItem is None:
return
logger.debug("User selected %d words", wCount)
self.docFooter.updateCounts(wCount=wCount, cCount=cCount)
self.wcTimerSel.stop()
return
@pyqtSlot()
def _closeCurrentDocument(self) -> None:
"""Close the document. Forwarded to the main Gui."""
self.closeDocumentRequest.emit()
self.docToolBar.setVisible(False)
return
@pyqtSlot()
def _toggleToolBarVisibility(self) -> None:
"""Toggle the visibility of the tool bar."""
state = not self.docToolBar.isVisible()
self.docToolBar.setVisible(state)
CONFIG.showEditToolBar = state
return
##
# Search & Replace
##
def beginSearch(self) -> None:
"""Set the selected text as the search text."""
cursor = self.textCursor()
if cursor.hasSelection():
self.docSearch.setSearchText(cursor.selectedText())
else:
self.docSearch.setSearchText(None)
resS, _ = self.findAllOccurences()
self.docSearch.setResultCount(None, len(resS))
return
def beginReplace(self) -> None:
"""Initialise the search box and reset the replace text box."""
self.beginSearch()
self.docSearch.setReplaceText("")
self.updateDocMargins()
return
def findNext(self, goBack: bool = False) -> None:
"""Search for the next or previous occurrence of the search bar
text in the document. Wrap around if not found and loop is
enabled, or continue to next file if next file is enabled.
"""
if not self.anyFocus():
logger.debug("Editor does not have focus")
return
if not self.docSearch.isVisible():
self.beginSearch()
return
resS, resE = self.findAllOccurences()
if len(resS) == 0 and self._docHandle:
self.docSearch.setResultCount(0, 0)
self._lastFind = None
if self.docSearch.doNextFile and not goBack:
self.mainGui.openNextDocument(
self._docHandle, wrapAround=self.docSearch.doLoop
)
self.beginSearch()
return
cursor = self.textCursor()
resIdx = bisect.bisect_left(resS, cursor.position())
doLoop = self.docSearch.doLoop
maxIdx = len(resS) - 1
if goBack:
resIdx -= 2
if resIdx < 0:
resIdx = maxIdx if doLoop else 0
if resIdx > maxIdx and self._docHandle:
if self.docSearch.doNextFile and not goBack:
self.mainGui.openNextDocument(
self._docHandle, wrapAround=self.docSearch.doLoop
)
self.beginSearch()
return
else:
resIdx = 0 if doLoop else maxIdx
cursor.setPosition(resS[resIdx], QTextCursor.MoveAnchor)
cursor.setPosition(resE[resIdx], QTextCursor.KeepAnchor)
self.setTextCursor(cursor)
self.docFooter.updateLineCount()
self.docSearch.setResultCount(resIdx + 1, len(resS))
self._lastFind = (resS[resIdx], resE[resIdx])
return
def findAllOccurences(self) -> tuple[list[int], list[int]]:
"""Create a list of all search results of the current search
text in the document.
"""
resS = []
resE = []
cursor = self.textCursor()
hasSelection = cursor.hasSelection()
if hasSelection:
origA = cursor.selectionStart()
origB = cursor.selectionEnd()
else:
origA = cursor.position()
origB = cursor.position()
findOpt = QTextDocument.FindFlag(0)
if self.docSearch.isCaseSense:
findOpt |= QTextDocument.FindCaseSensitively
if self.docSearch.isWholeWord:
findOpt |= QTextDocument.FindWholeWords
searchFor = self.docSearch.getSearchObject()
cursor.setPosition(0)
self.setTextCursor(cursor)
# Search up to a maximum of 1000, and make sure certain special
# searches like a regex search for .* don't loop infinitely
while self.find(searchFor, findOpt) and len(resE) <= 1000:
cursor = self.textCursor()
if cursor.hasSelection():
resS.append(cursor.selectionStart())
resE.append(cursor.selectionEnd())
else:
logger.warning("The search returned an empty result")
break
if hasSelection:
cursor.setPosition(origA, QTextCursor.MoveAnchor)
cursor.setPosition(origB, QTextCursor.KeepAnchor)
else:
cursor.setPosition(origA)
self.setTextCursor(cursor)
return resS, resE
def replaceNext(self) -> None:
"""Search for the next occurrence of the search bar text in the
document and replace it with the replace text. Call search next
automatically when done.
"""
if not self.anyFocus():
logger.debug("Editor does not have focus")
return
if not self.docSearch.isVisible():
# The search tool is not active, so we activate it.
self.beginSearch()
return
cursor = self.textCursor()
if not cursor.hasSelection():
# We have no text selected at all, so just make this a
# regular find next call.
self.findNext()
return
if self._lastFind is None and cursor.hasSelection():
# If we have a selection but no search, it may have been the
# text we triggered the search with, in which case we search
# again from the beginning of that selection to make sure we
# have a valid result.
sPos = cursor.selectionStart()
cursor.clearSelection()
cursor.setPosition(sPos)
self.setTextCursor(cursor)
self.findNext()
cursor = self.textCursor()
if self._lastFind is None:
# In case the above didn't find a result, we give up here.
return
searchFor = self.docSearch.searchText
replWith = self.docSearch.replaceText
if self.docSearch.doMatchCap:
replWith = transferCase(cursor.selectedText(), replWith)
# Make sure the selected text was selected by an actual find
# call, and not the user.
try:
isFind = self._lastFind[0] == cursor.selectionStart()
isFind &= self._lastFind[1] == cursor.selectionEnd()
except Exception:
isFind = False
if isFind:
cursor.beginEditBlock()
cursor.removeSelectedText()
cursor.insertText(replWith)
cursor.endEditBlock()
cursor.setPosition(cursor.selectionEnd())
self.setTextCursor(cursor)
logger.debug(
"Replaced occurrence of '%s' with '%s' on line %d",
searchFor, replWith, cursor.blockNumber()
)
else:
logger.error("The selected text is not a search result, skipping replace")
self.findNext()
return
##
# Internal Functions : Text Manipulation
##
def _toggleFormat(self, fLen: int, fChar: str) -> bool:
"""Toggle the formatting of a specific type for a piece of text.
If more than one block is selected, the formatting is applied to
the first block.
"""
cursor = self.textCursor()
posO = cursor.position()
if cursor.hasSelection():
select = _SelectAction.KEEP_SELECTION
else:
cursor = self._autoSelect()
if cursor.hasSelection() and posO == cursor.selectionEnd():
select = _SelectAction.MOVE_AFTER
else:
select = _SelectAction.KEEP_POSITION
posS = cursor.selectionStart()
posE = cursor.selectionEnd()
if self._qDocument.characterAt(posO - 1) == fChar:
logger.warning("Format repetition, cancelling action")
cursor.clearSelection()
cursor.setPosition(posO)
self.setTextCursor(cursor)
return False
blockS = self._qDocument.findBlock(posS)
blockE = self._qDocument.findBlock(posE)
if blockS != blockE:
posE = blockS.position() + blockS.length() - 1
cursor.clearSelection()
cursor.setPosition(posS, QTextCursor.MoveAnchor)
cursor.setPosition(posE, QTextCursor.KeepAnchor)
self.setTextCursor(cursor)
numB = 0
for n in range(fLen):
if self._qDocument.characterAt(posS-n-1) == fChar:
numB += 1
else:
break
numA = 0
for n in range(fLen):
if self._qDocument.characterAt(posE+n) == fChar:
numA += 1
else:
break
if fLen == min(numA, numB):
cursor.clearSelection()
cursor.beginEditBlock()
cursor.setPosition(posS)
for i in range(fLen):
cursor.deletePreviousChar()
cursor.setPosition(posE)
for i in range(fLen):
cursor.deletePreviousChar()
cursor.endEditBlock()
cursor.clearSelection()
cursor.setPosition(posO - fLen)
self.setTextCursor(cursor)
else:
self._wrapSelection(fChar*fLen, pos=posO, select=select)
return True
def _wrapSelection(self, before: str, after: str | None = None, pos: int | None = None,
select: _SelectAction = _SelectAction.NO_DECISION) -> bool:
"""Wrap the selected text in whatever is in tBefore and tAfter.
If there is no selection, the autoSelect setting decides the
action. AutoSelect will select the word under the cursor before
wrapping it. If this feature is disabled, nothing is done.
"""
if after is None:
after = before
cursor = self.textCursor()
posO = pos if isinstance(pos, int) else cursor.position()
if select == _SelectAction.NO_DECISION:
if cursor.hasSelection():
select = _SelectAction.KEEP_SELECTION
else:
cursor = self._autoSelect()
if cursor.hasSelection() and posO == cursor.selectionEnd():
select = _SelectAction.MOVE_AFTER
else:
select = _SelectAction.KEEP_POSITION
posS = cursor.selectionStart()
posE = cursor.selectionEnd()
blockS = self._qDocument.findBlock(posS)
blockE = self._qDocument.findBlock(posE)
if blockS != blockE:
posE = blockS.position() + blockS.length() - 1
cursor.clearSelection()
cursor.beginEditBlock()
cursor.setPosition(posE)
cursor.insertText(after)
cursor.setPosition(posS)
cursor.insertText(before)
cursor.endEditBlock()
if select == _SelectAction.MOVE_AFTER:
cursor.setPosition(posE + len(before + after))
elif select == _SelectAction.KEEP_SELECTION:
cursor.setPosition(posE + len(before), QTextCursor.MoveMode.MoveAnchor)
cursor.setPosition(posS + len(before), QTextCursor.MoveMode.KeepAnchor)
elif select == _SelectAction.KEEP_POSITION:
cursor.setPosition(posO + len(before))
self.setTextCursor(cursor)
return True
def _replaceQuotes(self, sQuote: str, oQuote: str, cQuote: str) -> bool:
"""Replace all straight quotes in the selected text."""
cursor = self.textCursor()
if not cursor.hasSelection():
SHARED.error(self.tr("Please select some text before calling replace quotes."))
return False
posS = cursor.selectionStart()
posE = cursor.selectionEnd()
closeCheck = (
" ", "\n", nwUnicode.U_LSEP, nwUnicode.U_PSEP
)
self._allowAutoReplace(False)
for posC in range(posS, posE+1):
cursor.setPosition(posC)
cursor.movePosition(QTextCursor.Left, QTextCursor.KeepAnchor, 2)
selText = cursor.selectedText()
nS = len(selText)
if nS == 2:
pC = selText[0]
cC = selText[1]
elif nS == 1:
pC = " "
cC = selText[0]
else: # pragma: no cover
continue
if cC != sQuote:
continue
cursor.clearSelection()
cursor.setPosition(posC)
if pC in closeCheck:
cursor.beginEditBlock()
cursor.movePosition(QTextCursor.Left, QTextCursor.KeepAnchor, 1)
cursor.insertText(oQuote)
cursor.endEditBlock()
else:
cursor.beginEditBlock()
cursor.movePosition(QTextCursor.Left, QTextCursor.KeepAnchor, 1)
cursor.insertText(cQuote)
cursor.endEditBlock()
self._allowAutoReplace(True)
return True
def _formatBlock(self, action: nwDocAction) -> bool:
"""Change the block format of the block under the cursor."""
cursor = self.textCursor()
block = cursor.block()
if not block.isValid():
logger.debug("Invalid block selected for action '%s'", str(action))
return False
# Remove existing format first, if any
setText = block.text()
hasText = len(setText) > 0
if setText.startswith("@"):
logger.error("Cannot apply block format to keyword/value line")
return False
elif setText.startswith("% "):
newText = setText[2:]
cOffset = 2
if action == nwDocAction.BLOCK_COM:
action = nwDocAction.BLOCK_TXT
elif setText.startswith("%"):
newText = setText[1:]
cOffset = 1
if action == nwDocAction.BLOCK_COM:
action = nwDocAction.BLOCK_TXT
elif setText.startswith("# "):
newText = setText[2:]
cOffset = 2
elif setText.startswith("## "):
newText = setText[3:]
cOffset = 3
elif setText.startswith("### "):
newText = setText[4:]
cOffset = 4
elif setText.startswith("#### "):
newText = setText[5:]
cOffset = 5
elif setText.startswith("#! "):
newText = setText[3:]
cOffset = 3
elif setText.startswith("##! "):
newText = setText[4:]
cOffset = 4
elif setText.startswith(">> "):
newText = setText[3:]
cOffset = 3
elif setText.startswith("> ") and action != nwDocAction.INDENT_R:
newText = setText[2:]
cOffset = 2
elif setText.startswith(">>"):
newText = setText[2:]
cOffset = 2
elif setText.startswith(">") and action != nwDocAction.INDENT_R:
newText = setText[1:]
cOffset = 1
else:
newText = setText
cOffset = 0
# Also remove formatting tags at the end
if setText.endswith(" <<"):
newText = newText[:-3]
elif setText.endswith(" <") and action != nwDocAction.INDENT_L:
newText = newText[:-2]
elif setText.endswith("<<"):
newText = newText[:-2]
elif setText.endswith("<") and action != nwDocAction.INDENT_L:
newText = newText[:-1]
# Apply new format
if action == nwDocAction.BLOCK_COM:
setText = "% "+newText
cOffset -= 2
elif action == nwDocAction.BLOCK_H1:
setText = "# "+newText
cOffset -= 2
elif action == nwDocAction.BLOCK_H2:
setText = "## "+newText
cOffset -= 3
elif action == nwDocAction.BLOCK_H3:
setText = "### "+newText
cOffset -= 4
elif action == nwDocAction.BLOCK_H4:
setText = "#### "+newText
cOffset -= 5
elif action == nwDocAction.BLOCK_TTL:
setText = "#! "+newText
cOffset -= 3
elif action == nwDocAction.BLOCK_UNN:
setText = "##! "+newText
cOffset -= 4
elif action == nwDocAction.ALIGN_L:
setText = newText+" <<"
elif action == nwDocAction.ALIGN_C:
setText = ">> "+newText+" <<"
cOffset -= 3
elif action == nwDocAction.ALIGN_R:
setText = ">> "+newText
cOffset -= 3
elif action == nwDocAction.INDENT_L:
setText = "> "+newText
cOffset -= 2
elif action == nwDocAction.INDENT_R:
setText = newText+" <"
elif action == nwDocAction.BLOCK_TXT:
setText = newText
else:
logger.error("Unknown or unsupported block format requested: '%s'", str(action))
return False
# Replace the block text
cursor.beginEditBlock()
posO = cursor.position()
cursor.select(QTextCursor.BlockUnderCursor)
posS = cursor.selectionStart()
cursor.removeSelectedText()
cursor.setPosition(posS)
if posS > 0 and hasText:
# If the block already had text, we must insert a new block
# first before we can add back the text to it.
cursor.insertBlock()
cursor.insertText(setText)
if posO - cOffset >= 0:
cursor.setPosition(posO - cOffset)
cursor.endEditBlock()
self.setTextCursor(cursor)
return True
def _removeInParLineBreaks(self) -> None:
"""Strip line breaks within paragraphs in the selected text."""
cursor = self.textCursor()
iS = 0
iE = self._qDocument.blockCount() - 1
rS = 0
rE = self._qDocument.characterCount()
if cursor.hasSelection():
sBlock = self._qDocument.findBlock(cursor.selectionStart())
eBlock = self._qDocument.findBlock(cursor.selectionEnd())
iS = sBlock.blockNumber()
iE = eBlock.blockNumber()
rS = sBlock.position()
rE = eBlock.position() + eBlock.length()
# Clean up the text
currPar = []
cleanText = ""
for i in range(iS, iE+1):
cBlock = self._qDocument.findBlockByNumber(i)
cText = cBlock.text()
if cText.strip() == "":
if currPar:
cleanText += " ".join(currPar) + "\n\n"
else:
cleanText += "\n"
currPar = []
elif cText.startswith(("# ", "## ", "### ", "#### ", "@", "%")):
cleanText += cText + "\n"
else:
currPar.append(cText)
if currPar:
cleanText += " ".join(currPar) + "\n\n"
# Replace the text with the cleaned up text
cursor.beginEditBlock()
cursor.clearSelection()
cursor.setPosition(rS)
cursor.movePosition(QTextCursor.Right, QTextCursor.KeepAnchor, rE-rS)
cursor.insertText(cleanText.rstrip() + "\n")
cursor.endEditBlock()
return
##
# Internal Functions
##
def _processTag(self, cursor: QTextCursor | None = None,
follow: bool = True, create: bool = False) -> nwTrinary:
"""Activated by Ctrl+Enter. Checks that we're in a block
starting with '@'. We then find the tag under the cursor and
check that it is not the tag itself. If all this is fine, we
have a tag and can tell the document viewer to try and find and
load the file where the tag is defined.
"""
if cursor is None:
cursor = self.textCursor()
block = cursor.block()
text = block.text()
if len(text) == 0:
return nwTrinary.UNKNOWN
if text.startswith("@") and isinstance(self._nwItem, NWItem):
isGood, tBits, tPos = SHARED.project.index.scanThis(text)
if not isGood:
return nwTrinary.UNKNOWN
tag = ""
exist = False
cPos = cursor.selectionStart() - block.position()
tExist = SHARED.project.index.checkThese(tBits, self._nwItem)
for sTag, sPos, sExist in zip(reversed(tBits), reversed(tPos), reversed(tExist)):
if cPos >= sPos:
# The cursor is between the start of two tags
if cPos <= sPos + len(sTag):
# The cursor is inside or at the edge of the tag
tag = sTag
exist = sExist
break
if not tag or tag.startswith("@"):
# The keyword cannot be looked up, so we ignore that
return nwTrinary.UNKNOWN
if follow and exist:
logger.debug("Attempting to follow tag '%s'", tag)
self.loadDocumentTagRequest.emit(tag, nwDocMode.VIEW)
elif create and not exist:
if SHARED.question(self.tr(
"Do you want to create a new project note for the tag '{0}'?"
).format(tag)):
itemClass = nwKeyWords.KEY_CLASS.get(tBits[0], nwItemClass.NO_CLASS)
if SHARED.mainGui.projView.createNewNote(tag, itemClass):
self._qDocument.syntaxHighlighter.rehighlightBlock(block)
else:
SHARED.error(self.tr(
"Could not create note in a root folder for '{0}'. "
"If one doesn't exist, you must create one first."
).format(trConst(nwLabels.CLASS_NAME[itemClass])))
return nwTrinary.POSITIVE if exist else nwTrinary.NEGATIVE
return nwTrinary.UNKNOWN
def _openContextFromCursor(self) -> None:
"""Open the spell check context menu at the cursor."""
self._openContextMenu(self.cursorRect().center())
return
def _docAutoReplace(self, text: str) -> None:
"""Auto-replace text elements based on main configuration."""
cursor = self.textCursor()
tPos = cursor.positionInBlock()
tLen = len(text)
if tLen < 1 or tPos-1 > tLen:
return
tOne = text[tPos-1:tPos]
tTwo = text[tPos-2:tPos]
tThree = text[tPos-3:tPos]
if not tOne:
return
nDelete = 0
tInsert = tOne
if self._typRepDQuote and tTwo[:1].isspace() and tTwo.endswith('"'):
nDelete = 1
tInsert = self._typDQuoteO
elif self._typRepDQuote and tOne == '"':
nDelete = 1
if tPos == 1:
tInsert = self._typDQuoteO
elif tPos == 2 and tTwo == '>"':
tInsert = self._typDQuoteO
elif tPos == 3 and tThree == '>>"':
tInsert = self._typDQuoteO
else:
tInsert = self._typDQuoteC
elif self._typRepSQuote and tTwo[:1].isspace() and tTwo.endswith("'"):
nDelete = 1
tInsert = self._typSQuoteO
elif self._typRepSQuote and tOne == "'":
nDelete = 1
if tPos == 1:
tInsert = self._typSQuoteO
elif tPos == 2 and tTwo == ">'":
tInsert = self._typSQuoteO
elif tPos == 3 and tThree == ">>'":
tInsert = self._typSQuoteO
else:
tInsert = self._typSQuoteC
elif self._typRepDash and tThree == "---":
nDelete = 3
tInsert = nwUnicode.U_EMDASH
elif self._typRepDash and tTwo == "--":
nDelete = 2
tInsert = nwUnicode.U_ENDASH
elif self._typRepDash and tTwo == nwUnicode.U_ENDASH + "-":
nDelete = 2
tInsert = nwUnicode.U_EMDASH
elif self._typRepDots and tThree == "...":
nDelete = 3
tInsert = nwUnicode.U_HELLIP
elif tOne == nwUnicode.U_LSEP:
# This resolves issue #1150
nDelete = 1
tInsert = nwUnicode.U_PSEP
tCheck = tInsert
if self._typPadBefore and tCheck in self._typPadBefore:
if self._allowSpaceBeforeColon(text, tCheck):
nDelete = max(nDelete, 1)
chkPos = tPos - nDelete - 1
if chkPos >= 0 and text[chkPos].isspace():
# Strip existing space before inserting a new (#1061)
nDelete += 1
tInsert = self._typPadChar + tInsert
if self._typPadAfter and tCheck in self._typPadAfter:
if self._allowSpaceBeforeColon(text, tCheck):
nDelete = max(nDelete, 1)
tInsert = tInsert + self._typPadChar
if nDelete > 0:
cursor.movePosition(QTextCursor.Left, QTextCursor.KeepAnchor, nDelete)
cursor.insertText(tInsert)
return
@staticmethod
def _allowSpaceBeforeColon(text: str, char: str) -> bool:
"""Special checker function only used by the insert space
feature for French, Spanish, etc, so it doesn't insert a
space before colons in meta data lines. See issue #1090.
"""
if char == ":" and len(text) > 1:
if text[0] == "@":
return False
if text[0] == "%":
if text[1:].lstrip()[:9].lower() == "synopsis:":
return False
return True
def _autoSelect(self) -> QTextCursor:
"""Return a cursor which may or may not have a selection based
on user settings and document action. The selection will be the
word closest to the cursor consisting of alphanumerical unicode
characters.
"""
cursor = self.textCursor()
if CONFIG.autoSelect and not cursor.hasSelection():
cPos = cursor.position()
bPos = cursor.block().position()
bLen = cursor.block().length()
# Scan backwards
sPos = cPos
for i in range(cPos - bPos):
sPos = cPos - i - 1
if not self._qDocument.characterAt(sPos).isalnum():
sPos += 1
break
# Scan forwards
ePos = cPos
for i in range(bPos + bLen - cPos):
ePos = cPos + i
if not self._qDocument.characterAt(ePos).isalnum():
break
if ePos - sPos <= 0:
# No selection possible
return cursor
cursor.clearSelection()
cursor.setPosition(sPos, QTextCursor.MoveAnchor)
cursor.setPosition(ePos, QTextCursor.KeepAnchor)
self.setTextCursor(cursor)
return cursor
def _makeSelection(self, mode: QTextCursor.SelectionType) -> None:
"""Select text based on selection mode."""
cursor = self.textCursor()
cursor.clearSelection()
cursor.select(mode)
if mode == QTextCursor.WordUnderCursor:
cursor = self._autoSelect()
elif mode == QTextCursor.BlockUnderCursor:
# This selection mode also selects the preceding paragraph
# separator, which we want to avoid.
posS = cursor.selectionStart()
posE = cursor.selectionEnd()
selTxt = cursor.selectedText()
if selTxt.startswith(nwUnicode.U_PSEP):
cursor.setPosition(posS+1, QTextCursor.MoveAnchor)
cursor.setPosition(posE, QTextCursor.KeepAnchor)
self.setTextCursor(cursor)
return
def _makePosSelection(self, mode: QTextCursor.SelectionType, pos: QPoint) -> None:
"""Select text based on selection mode, but first move cursor."""
cursor = self.cursorForPosition(pos)
self.setTextCursor(cursor)
self._makeSelection(mode)
return
def _allowAutoReplace(self, state: bool) -> None:
"""Enable/disable the auto-replace feature temporarily."""
if state:
self._doReplace = CONFIG.doReplace
else:
self._doReplace = False
return
# END Class GuiDocEditor
class MetaCompleter(QMenu):
"""GuiWidget: Meta Completer Menu
This is a context menu with options populated from the user's
defined tags. It also helps to type the meta data keyword on a new
line starting with an @. The updateText function should be called on
every keystroke on a line starting with @.
"""
complete = pyqtSignal(int, int, str)
def __init__(self, parent: QWidget) -> None:
super().__init__(parent=parent)
return
def updateText(self, text: str, pos: int) -> bool:
"""Update the menu options based on the line of text."""
self.clear()
kw, sep, _ = text.partition(":")
if pos <= len(kw):
offset = 0
length = len(kw.rstrip())
suffix = "" if sep else ":"
options = list(filter(
lambda x: x.startswith(kw.rstrip()), nwKeyWords.VALID_KEYS
))
else:
status, tBits, tPos = SHARED.project.index.scanThis(text)
if not status:
return False
index = bisect.bisect_right(tPos, pos) - 1
lookup = tBits[index].lower() if index > 0 else ""
offset = tPos[index] if lookup else pos
length = len(lookup)
suffix = ""
options = list(filter(
lambda x: lookup in x.lower(), SHARED.project.index.getTags(
nwKeyWords.KEY_CLASS.get(kw.strip(), nwItemClass.NO_CLASS)
)
))[:15]
if not options:
return False
for value in sorted(options):
rep = value + suffix
action = self.addAction(value)
action.triggered.connect(lambda _, r=rep: self._emitComplete(offset, length, r))
return True
##
# Events
##
def keyPressEvent(self, event: QKeyEvent) -> None:
"""Capture keypresses and forward most of them to the editor."""
parent = self.parent()
if event.key() in (Qt.Key_Up, Qt.Key_Down, Qt.Key_Return, Qt.Key_Enter, Qt.Key_Escape):
super().keyPressEvent(event)
elif isinstance(parent, GuiDocEditor):
parent.keyPressEvent(event)
return
##
# Internal Functions
##
def _emitComplete(self, pos: int, length: int, value: str):
"""Emit the signal to indicate a selection has been made."""
self.complete.emit(pos, length, value)
return
# END Class MetaCompleter
# =============================================================================================== #
# The Off-GUI Thread Word Counter
# A runnable for the word counter to be run in the thread pool off the main GUI thread.
# =============================================================================================== #
class BackgroundWordCounter(QRunnable):
def __init__(self, docEditor: GuiDocEditor, forSelection: bool = False) -> None:
super().__init__()
self._docEditor = docEditor
self._forSelection = forSelection
self._isRunning = False
self.signals = BackgroundWordCounterSignals()
return
def isRunning(self) -> bool:
return self._isRunning
@pyqtSlot()
def run(self) -> None:
"""Overloaded run function for the word counter, forwarding the
call to the function that does the actual counting.
"""
self._isRunning = True
if self._forSelection:
text = self._docEditor.textCursor().selectedText()
else:
text = self._docEditor.getText()
cC, wC, pC = countWords(text)
self.signals.countsReady.emit(cC, wC, pC)
self._isRunning = False
return
# END Class BackgroundWordCounter
class BackgroundWordCounterSignals(QObject):
"""The QRunnable cannot emit a signal, so we need a simple QObject
to hold the word counter signal.
"""
countsReady = pyqtSignal(int, int, int)
# END Class BackgroundWordCounterSignals
# =============================================================================================== #
# The Formatting and Options Fold Out Menu
# Only used by DocEditor, and is opened by the first button in the header
# =============================================================================================== #
class GuiDocToolBar(QWidget):
requestDocAction = pyqtSignal(nwDocAction)
def __init__(self, docEditor: GuiDocEditor) -> None:
super().__init__(parent=docEditor)
logger.debug("Create: GuiDocToolBar")
cM = CONFIG.pxInt(4)
tPx = int(0.8*SHARED.theme.fontPixelSize)
iconSize = QSize(tPx, tPx)
self.setContentsMargins(0, 0, 0, 0)
# General Buttons
# ===============
self.tbMode = QToolButton(self)
self.tbMode.setToolTip(self.tr("Toggle Markdown or Shortcodes Mode"))
self.tbMode.setIconSize(iconSize)
self.tbMode.setCheckable(True)
self.tbMode.setChecked(CONFIG.useShortcodes)
self.tbMode.toggled.connect(self._toggleFormatMode)
self.tbBold = QToolButton(self)
self.tbBold.setIconSize(iconSize)
self.tbBold.clicked.connect(self._formatBold)
self.tbItalic = QToolButton(self)
self.tbItalic.setIconSize(iconSize)
self.tbItalic.clicked.connect(self._formatItalic)
self.tbStrike = QToolButton(self)
self.tbStrike.setIconSize(iconSize)
self.tbStrike.clicked.connect(self._formatStrike)
self.tbUnderline = QToolButton(self)
self.tbUnderline.setIconSize(iconSize)
self.tbUnderline.clicked.connect(
lambda: self.requestDocAction.emit(nwDocAction.SC_ULINE)
)
self.tbSuperscript = QToolButton(self)
self.tbSuperscript.setIconSize(iconSize)
self.tbSuperscript.clicked.connect(
lambda: self.requestDocAction.emit(nwDocAction.SC_SUP)
)
self.tbSubscript = QToolButton(self)
self.tbSubscript.setIconSize(iconSize)
self.tbSubscript.clicked.connect(
lambda: self.requestDocAction.emit(nwDocAction.SC_SUB)
)
# Assemble
# ========
self.outerBox = QVBoxLayout()
self.outerBox.addWidget(self.tbMode)
self.outerBox.addWidget(self.tbBold)
self.outerBox.addWidget(self.tbItalic)
self.outerBox.addWidget(self.tbStrike)
self.outerBox.addWidget(self.tbUnderline)
self.outerBox.addWidget(self.tbSuperscript)
self.outerBox.addWidget(self.tbSubscript)
self.outerBox.setContentsMargins(cM, cM, cM, cM)
self.outerBox.setSpacing(cM)
self.setLayout(self.outerBox)
self.updateTheme()
# Starts as Invisible
self.setVisible(False)
logger.debug("Ready: GuiDocToolBar")
return
def updateTheme(self) -> None:
"""Initialise GUI elements that depend on specific settings."""
palette = QPalette()
palette.setColor(QPalette.Window, QColor(*SHARED.theme.colBack))
palette.setColor(QPalette.WindowText, QColor(*SHARED.theme.colText))
palette.setColor(QPalette.Text, QColor(*SHARED.theme.colText))
self.setPalette(palette)
tPx = int(0.8*SHARED.theme.fontPixelSize)
self.tbMode.setIcon(SHARED.theme.getToggleIcon("fmt_mode", (tPx, tPx)))
self.tbBold.setIcon(SHARED.theme.getIcon("fmt_bold"))
self.tbItalic.setIcon(SHARED.theme.getIcon("fmt_italic"))
self.tbStrike.setIcon(SHARED.theme.getIcon("fmt_strike"))
self.tbUnderline.setIcon(SHARED.theme.getIcon("fmt_underline"))
self.tbSuperscript.setIcon(SHARED.theme.getIcon("fmt_superscript"))
self.tbSubscript.setIcon(SHARED.theme.getIcon("fmt_subscript"))
return
##
# Private Slots
##
@pyqtSlot(bool)
def _toggleFormatMode(self, checked: bool) -> None:
"""Toggle the formatting mode."""
CONFIG.useShortcodes = checked
return
@pyqtSlot()
def _formatBold(self):
"""Call the bold format action."""
self.requestDocAction.emit(
nwDocAction.SC_BOLD if self.tbMode.isChecked() else nwDocAction.STRONG
)
return
@pyqtSlot()
def _formatItalic(self):
"""Call the italic format action."""
self.requestDocAction.emit(
nwDocAction.SC_ITALIC if self.tbMode.isChecked() else nwDocAction.EMPH
)
return
@pyqtSlot()
def _formatStrike(self):
"""Call the strikethrough format action."""
self.requestDocAction.emit(
nwDocAction.SC_STRIKE if self.tbMode.isChecked() else nwDocAction.STRIKE
)
return
# END Class GuiDocToolBar
# =============================================================================================== #
# The Embedded Document Search/Replace Feature
# Only used by DocEditor, and is at a fixed position in the QTextEdit's viewport
# =============================================================================================== #
class GuiDocEditSearch(QFrame):
def __init__(self, docEditor: GuiDocEditor) -> None:
super().__init__(parent=docEditor)
logger.debug("Create: GuiDocEditSearch")
self.docEditor = docEditor
self.repVisible = False
self.isCaseSense = CONFIG.searchCase
self.isWholeWord = CONFIG.searchWord
self.isRegEx = CONFIG.searchRegEx
self.doLoop = CONFIG.searchLoop
self.doNextFile = CONFIG.searchNextFile
self.doMatchCap = CONFIG.searchMatchCap
mPx = CONFIG.pxInt(6)
tPx = int(0.8*SHARED.theme.fontPixelSize)
self.boxFont = SHARED.theme.guiFont
self.boxFont.setPointSizeF(0.9*SHARED.theme.fontPointSize)
self.setContentsMargins(0, 0, 0, 0)
self.setAutoFillBackground(True)
self.setFrameStyle(QFrame.StyledPanel | QFrame.Plain)
self.mainBox = QGridLayout(self)
self.setLayout(self.mainBox)
# Text Boxes
# ==========
self.searchBox = QLineEdit(self)
self.searchBox.setFont(self.boxFont)
self.searchBox.setPlaceholderText(self.tr("Search"))
self.searchBox.returnPressed.connect(self._doSearch)
self.replaceBox = QLineEdit(self)
self.replaceBox.setFont(self.boxFont)
self.replaceBox.setPlaceholderText(self.tr("Replace"))
self.replaceBox.returnPressed.connect(self._doReplace)
self.searchOpt = QToolBar(self)
self.searchOpt.setToolButtonStyle(Qt.ToolButtonIconOnly)
self.searchOpt.setIconSize(QSize(tPx, tPx))
self.searchOpt.setContentsMargins(0, 0, 0, 0)
self.searchLabel = QLabel(self.tr("Search"))
self.searchLabel.setFont(self.boxFont)
self.searchLabel.setIndent(CONFIG.pxInt(6))
self.resultLabel = QLabel("?/?")
self.resultLabel.setFont(self.boxFont)
self.resultLabel.setMinimumWidth(SHARED.theme.getTextWidth("?/?", self.boxFont))
self.toggleCase = QAction(self.tr("Case Sensitive"), self)
self.toggleCase.setCheckable(True)
self.toggleCase.setChecked(self.isCaseSense)
self.toggleCase.toggled.connect(self._doToggleCase)
self.searchOpt.addAction(self.toggleCase)
self.toggleWord = QAction(self.tr("Whole Words Only"), self)
self.toggleWord.setCheckable(True)
self.toggleWord.setChecked(self.isWholeWord)
self.toggleWord.toggled.connect(self._doToggleWord)
self.searchOpt.addAction(self.toggleWord)
self.toggleRegEx = QAction(self.tr("RegEx Mode"), self)
self.toggleRegEx.setCheckable(True)
self.toggleRegEx.setChecked(self.isRegEx)
self.toggleRegEx.toggled.connect(self._doToggleRegEx)
self.searchOpt.addAction(self.toggleRegEx)
self.toggleLoop = QAction(self.tr("Loop Search"), self)
self.toggleLoop.setCheckable(True)
self.toggleLoop.setChecked(self.doLoop)
self.toggleLoop.toggled.connect(self._doToggleLoop)
self.searchOpt.addAction(self.toggleLoop)
self.toggleProject = QAction(self.tr("Search Next File"), self)
self.toggleProject.setCheckable(True)
self.toggleProject.setChecked(self.doNextFile)
self.toggleProject.toggled.connect(self._doToggleProject)
self.searchOpt.addAction(self.toggleProject)
self.searchOpt.addSeparator()
self.toggleMatchCap = QAction(self.tr("Preserve Case"), self)
self.toggleMatchCap.setCheckable(True)
self.toggleMatchCap.setChecked(self.doMatchCap)
self.toggleMatchCap.toggled.connect(self._doToggleMatchCap)
self.searchOpt.addAction(self.toggleMatchCap)
self.searchOpt.addSeparator()
self.cancelSearch = QAction(self.tr("Close Search"), self)
self.cancelSearch.triggered.connect(self._doClose)
self.searchOpt.addAction(self.cancelSearch)
# Buttons
# =======
bPx = self.searchBox.sizeHint().height()
self.showReplace = QToolButton(self)
self.showReplace.setArrowType(Qt.RightArrow)
self.showReplace.setCheckable(True)
self.showReplace.toggled.connect(self._doToggleReplace)
self.searchButton = QPushButton("")
self.searchButton.setFixedSize(QSize(bPx, bPx))
self.searchButton.setToolTip(self.tr("Find in current document"))
self.searchButton.clicked.connect(self._doSearch)
self.replaceButton = QPushButton("")
self.replaceButton.setFixedSize(QSize(bPx, bPx))
self.replaceButton.setToolTip(self.tr("Find and replace in current document"))
self.replaceButton.clicked.connect(self._doReplace)
self.mainBox.addWidget(self.searchLabel, 0, 0, 1, 2, Qt.AlignLeft)
self.mainBox.addWidget(self.searchOpt, 0, 2, 1, 3, Qt.AlignRight)
self.mainBox.addWidget(self.showReplace, 1, 0, 1, 1)
self.mainBox.addWidget(self.searchBox, 1, 1, 1, 2)
self.mainBox.addWidget(self.searchButton, 1, 3, 1, 1)
self.mainBox.addWidget(self.resultLabel, 1, 4, 1, 1)
self.mainBox.addWidget(self.replaceBox, 2, 1, 1, 2)
self.mainBox.addWidget(self.replaceButton, 2, 3, 1, 1)
self.mainBox.setColumnStretch(0, 0)
self.mainBox.setColumnStretch(1, 0)
self.mainBox.setColumnStretch(2, 1)
self.mainBox.setColumnStretch(3, 0)
self.mainBox.setColumnStretch(4, 0)
self.mainBox.setColumnStretch(5, 0)
self.mainBox.setSpacing(CONFIG.pxInt(2))
self.mainBox.setContentsMargins(mPx, mPx, mPx, mPx)
boxWidth = CONFIG.pxInt(200)
self.searchBox.setFixedWidth(boxWidth)
self.replaceBox.setFixedWidth(boxWidth)
self.replaceBox.setVisible(False)
self.replaceButton.setVisible(False)
self.adjustSize()
self.updateTheme()
logger.debug("Ready: GuiDocEditSearch")
return
##
# Properties
##
@property
def searchText(self) -> str:
"""Return the current search text."""
return self.searchBox.text()
@property
def replaceText(self) -> str:
"""Return the current replace text."""
return self.replaceBox.text()
##
# Getters
##
def getSearchObject(self) -> str | QRegularExpression | QRegExp:
"""Return the current search text either as text or as a regular
expression object.
"""
text = self.searchBox.text()
if self.isRegEx:
# Using the Unicode-capable QRegularExpression class was
# only added in Qt 5.13. Otherwise, 5.3 and up supports
# only the QRegExp class.
if CONFIG.verQtValue >= 0x050d00:
rxOpt = QRegularExpression.UseUnicodePropertiesOption
if not self.isCaseSense:
rxOpt |= QRegularExpression.CaseInsensitiveOption
regEx = QRegularExpression(text, rxOpt)
self._alertSearchValid(regEx.isValid())
return regEx
else: # pragma: no cover
# >= 50300 to < 51300
if self.isCaseSense:
rxOpt = Qt.CaseSensitive
else:
rxOpt = Qt.CaseInsensitive
regEx = QRegExp(text, rxOpt)
self._alertSearchValid(regEx.isValid())
return regEx
return text
##
# Setters
##
def setSearchText(self, text: str | None) -> None:
"""Open the search bar and set the search text to the text
provided, if any.
"""
if not self.isVisible():
self.setVisible(True)
if text is not None:
self.searchBox.setText(text)
self.searchBox.setFocus()
self.searchBox.selectAll()
if self.isRegEx:
self._alertSearchValid(True)
return
def setReplaceText(self, text: str) -> None:
"""Set the replace text."""
self.showReplace.setChecked(True)
self.replaceBox.setFocus()
self.replaceBox.setText(text)
return
def setResultCount(self, currRes: int | None, resCount: int | None) -> None:
"""Set the count values for the current search."""
sCurrRes = "?" if currRes is None else str(currRes)
sResCount = "?" if resCount is None else "1000+" if resCount > 1000 else str(resCount)
minWidth = SHARED.theme.getTextWidth(f"{sResCount}//{sResCount}", self.boxFont)
self.resultLabel.setText(f"{sCurrRes}/{sResCount}")
self.resultLabel.setMinimumWidth(minWidth)
self.adjustSize()
self.docEditor.updateDocMargins()
return
##
# Methods
##
def updateTheme(self) -> None:
"""Update theme elements."""
qPalette = qApp.palette()
self.setPalette(qPalette)
self.searchBox.setPalette(qPalette)
self.replaceBox.setPalette(qPalette)
# Set icons
self.toggleCase.setIcon(SHARED.theme.getIcon("search_case"))
self.toggleWord.setIcon(SHARED.theme.getIcon("search_word"))
self.toggleRegEx.setIcon(SHARED.theme.getIcon("search_regex"))
self.toggleLoop.setIcon(SHARED.theme.getIcon("search_loop"))
self.toggleProject.setIcon(SHARED.theme.getIcon("search_project"))
self.toggleMatchCap.setIcon(SHARED.theme.getIcon("search_preserve"))
self.cancelSearch.setIcon(SHARED.theme.getIcon("search_cancel"))
self.searchButton.setIcon(SHARED.theme.getIcon("search"))
self.replaceButton.setIcon(SHARED.theme.getIcon("search_replace"))
# Set stylesheets
self.searchOpt.setStyleSheet("QToolBar {padding: 0;}")
self.showReplace.setStyleSheet("QToolButton {border: none; background: transparent;}")
# Construct Box Colours
qPalette = self.searchBox.palette()
baseCol = qPalette.base().color()
rCol = baseCol.redF() + 0.1
gCol = baseCol.greenF() - 0.1
bCol = baseCol.blueF() - 0.1
mCol = max(rCol, gCol, bCol, 1.0)
errCol = QColor()
errCol.setRedF(rCol/mCol)
errCol.setGreenF(gCol/mCol)
errCol.setBlueF(bCol/mCol)
self.rxCol = {
True: baseCol,
False: errCol
}
return
def closeSearch(self) -> None:
"""Close the search box."""
CONFIG.searchCase = self.isCaseSense
CONFIG.searchWord = self.isWholeWord
CONFIG.searchRegEx = self.isRegEx
CONFIG.searchLoop = self.doLoop
CONFIG.searchNextFile = self.doNextFile
CONFIG.searchMatchCap = self.doMatchCap
self.showReplace.setChecked(False)
self.setVisible(False)
self.docEditor.updateDocMargins()
self.docEditor.setFocus()
return
def cycleFocus(self, next: bool) -> bool:
"""The tab key just alternates focus between the two input
boxes, if the replace box is visible.
"""
if self.replaceBox.isVisible():
if self.searchBox.hasFocus():
self.replaceBox.setFocus()
return True
elif self.replaceBox.hasFocus():
self.searchBox.setFocus()
return True
return False
def anyFocus(self) -> bool:
"""Return True if any of the input boxes have focus."""
return self.searchBox.hasFocus() | self.replaceBox.hasFocus()
##
# Private Slots
##
@pyqtSlot()
def _doClose(self) -> None:
"""Hide the search/replace bar."""
self.closeSearch()
return
@pyqtSlot()
def _doSearch(self) -> None:
"""Call the search action function for the document editor."""
modKey = qApp.keyboardModifiers()
if modKey == Qt.ShiftModifier:
self.docEditor.findNext(goBack=True)
else:
self.docEditor.findNext()
return
@pyqtSlot()
def _doReplace(self) -> None:
"""Call the replace action function for the document editor."""
self.docEditor.replaceNext()
return
@pyqtSlot(bool)
def _doToggleReplace(self, state: bool) -> None:
"""Toggle the show/hide of the replace box."""
if state:
self.showReplace.setArrowType(Qt.DownArrow)
else:
self.showReplace.setArrowType(Qt.RightArrow)
self.replaceBox.setVisible(state)
self.replaceButton.setVisible(state)
self.repVisible = state
self.adjustSize()
self.docEditor.updateDocMargins()
return
@pyqtSlot(bool)
def _doToggleCase(self, state: bool) -> None:
"""Enable/disable case sensitive mode."""
self.isCaseSense = state
return
@pyqtSlot(bool)
def _doToggleWord(self, state: bool) -> None:
"""Enable/disable whole word search mode."""
self.isWholeWord = state
return
@pyqtSlot(bool)
def _doToggleRegEx(self, state: bool) -> None:
"""Enable/disable regular expression search mode."""
self.isRegEx = state
return
@pyqtSlot(bool)
def _doToggleLoop(self, state: bool) -> None:
"""Enable/disable looping the search."""
self.doLoop = state
return
@pyqtSlot(bool)
def _doToggleProject(self, state: bool) -> None:
"""Enable/disable continuing search in next project file."""
self.doNextFile = state
return
@pyqtSlot(bool)
def _doToggleMatchCap(self, state: bool) -> None:
"""Enable/disable preserving capitalisation when replacing."""
self.doMatchCap = state
return
##
# Internal Functions
##
def _alertSearchValid(self, isValid: bool) -> None:
"""Highlight the search box to indicate the search string is or
isn't valid. Take the colour from the replace box.
"""
qPalette = self.replaceBox.palette()
qPalette.setColor(QPalette.Base, self.rxCol[isValid])
self.searchBox.setPalette(qPalette)
return
# END Class GuiDocEditSearch
# =============================================================================================== #
# The Embedded Document Header
# Only used by DocEditor, and is at a fixed position in the QTextEdit's viewport
# =============================================================================================== #
class GuiDocEditHeader(QWidget):
closeDocumentRequest = pyqtSignal()
toggleToolBarRequest = pyqtSignal()
def __init__(self, docEditor: GuiDocEditor) -> None:
super().__init__(parent=docEditor)
logger.debug("Create: GuiDocEditHeader")
self.docEditor = docEditor
self.mainGui = docEditor.mainGui
self._docHandle = None
fPx = int(0.9*SHARED.theme.fontPixelSize)
hSp = CONFIG.pxInt(6)
iconSize = QSize(fPx, fPx)
# Main Widget Settings
self.setAutoFillBackground(True)
# Title Label
self.itemTitle = QLabel()
self.itemTitle.setText("")
self.itemTitle.setIndent(0)
self.itemTitle.setMargin(0)
self.itemTitle.setContentsMargins(0, 0, 0, 0)
self.itemTitle.setAutoFillBackground(True)
self.itemTitle.setAlignment(Qt.AlignHCenter | Qt.AlignTop)
self.itemTitle.setFixedHeight(fPx)
lblFont = self.itemTitle.font()
lblFont.setPointSizeF(0.9*SHARED.theme.fontPointSize)
self.itemTitle.setFont(lblFont)
# Buttons
self.tbButton = QToolButton(self)
self.tbButton.setContentsMargins(0, 0, 0, 0)
self.tbButton.setIconSize(iconSize)
self.tbButton.setFixedSize(fPx, fPx)
self.tbButton.setToolButtonStyle(Qt.ToolButtonIconOnly)
self.tbButton.setVisible(False)
self.tbButton.setToolTip(self.tr("Toggle Tool Bar"))
self.tbButton.clicked.connect(lambda: self.toggleToolBarRequest.emit())
self.searchButton = QToolButton(self)
self.searchButton.setContentsMargins(0, 0, 0, 0)
self.searchButton.setIconSize(iconSize)
self.searchButton.setFixedSize(fPx, fPx)
self.searchButton.setToolButtonStyle(Qt.ToolButtonIconOnly)
self.searchButton.setVisible(False)
self.searchButton.setToolTip(self.tr("Search"))
self.searchButton.clicked.connect(self.docEditor.toggleSearch)
self.minmaxButton = QToolButton(self)
self.minmaxButton.setContentsMargins(0, 0, 0, 0)
self.minmaxButton.setIconSize(iconSize)
self.minmaxButton.setFixedSize(fPx, fPx)
self.minmaxButton.setToolButtonStyle(Qt.ToolButtonIconOnly)
self.minmaxButton.setVisible(False)
self.minmaxButton.setToolTip(self.tr("Toggle Focus Mode"))
self.minmaxButton.clicked.connect(lambda: self.docEditor.toggleFocusModeRequest.emit())
self.closeButton = QToolButton(self)
self.closeButton.setContentsMargins(0, 0, 0, 0)
self.closeButton.setIconSize(iconSize)
self.closeButton.setFixedSize(fPx, fPx)
self.closeButton.setToolButtonStyle(Qt.ToolButtonIconOnly)
self.closeButton.setVisible(False)
self.closeButton.setToolTip(self.tr("Close"))
self.closeButton.clicked.connect(self._closeDocument)
# Assemble Layout
self.outerBox = QHBoxLayout()
self.outerBox.setSpacing(hSp)
self.outerBox.addWidget(self.tbButton, 0)
self.outerBox.addWidget(self.searchButton, 0)
self.outerBox.addWidget(self.itemTitle, 1)
self.outerBox.addWidget(self.minmaxButton, 0)
self.outerBox.addWidget(self.closeButton, 0)
self.setLayout(self.outerBox)
# Fix Margins and Size
# This is needed for high DPI systems. See issue #499.
cM = CONFIG.pxInt(8)
self.setContentsMargins(0, 0, 0, 0)
self.outerBox.setContentsMargins(cM, cM, cM, cM)
self.setMinimumHeight(fPx + 2*cM)
self.updateTheme()
logger.debug("Ready: GuiDocEditHeader")
return
##
# Methods
##
def updateTheme(self) -> None:
"""Update theme elements."""
self.tbButton.setIcon(SHARED.theme.getIcon("menu"))
self.searchButton.setIcon(SHARED.theme.getIcon("search"))
self.minmaxButton.setIcon(SHARED.theme.getIcon("maximise"))
self.closeButton.setIcon(SHARED.theme.getIcon("close"))
buttonStyle = (
"QToolButton {{border: none; background: transparent;}} "
"QToolButton:hover {{border: none; background: rgba({0},{1},{2},0.2);}}"
).format(*SHARED.theme.colText)
self.tbButton.setStyleSheet(buttonStyle)
self.searchButton.setStyleSheet(buttonStyle)
self.minmaxButton.setStyleSheet(buttonStyle)
self.closeButton.setStyleSheet(buttonStyle)
self.matchColours()
return
def matchColours(self) -> None:
"""Update the colours of the widget to match those of the syntax
theme rather than the main GUI.
"""
palette = QPalette()
palette.setColor(QPalette.Window, QColor(*SHARED.theme.colBack))
palette.setColor(QPalette.WindowText, QColor(*SHARED.theme.colText))
palette.setColor(QPalette.Text, QColor(*SHARED.theme.colText))
self.setPalette(palette)
self.itemTitle.setPalette(palette)
return
def setTitleFromHandle(self, tHandle: str | None) -> bool:
"""Set the document title from the handle, or alternatively, set
the whole document path within the project.
"""
self._docHandle = tHandle
if tHandle is None:
self.itemTitle.setText("")
self.tbButton.setVisible(False)
self.searchButton.setVisible(False)
self.closeButton.setVisible(False)
self.minmaxButton.setVisible(False)
return True
pTree = SHARED.project.tree
if CONFIG.showFullPath:
tTitle = []
tTree = pTree.getItemPath(tHandle)
for aHandle in reversed(tTree):
nwItem = pTree[aHandle]
if nwItem is not None:
tTitle.append(nwItem.itemName)
sSep = " %s " % nwUnicode.U_RSAQUO
self.itemTitle.setText(sSep.join(tTitle))
else:
nwItem = pTree[tHandle]
if nwItem is None:
return False
self.itemTitle.setText(nwItem.itemName)
self.tbButton.setVisible(True)
self.searchButton.setVisible(True)
self.closeButton.setVisible(True)
self.minmaxButton.setVisible(True)
return True
def updateFocusMode(self) -> None:
"""Update the minimise/maximise icon of the Focus Mode button.
This function is called by the GuiMain class via the
toggleFocusMode function and should not be activated directly.
"""
if self.mainGui.isFocusMode:
self.minmaxButton.setIcon(SHARED.theme.getIcon("minimise"))
else:
self.minmaxButton.setIcon(SHARED.theme.getIcon("maximise"))
return
##
# Private Slots
##
@pyqtSlot()
def _closeDocument(self) -> None:
"""Trigger the close editor on the main window."""
self.closeDocumentRequest.emit()
self.tbButton.setVisible(False)
self.searchButton.setVisible(False)
self.closeButton.setVisible(False)
self.minmaxButton.setVisible(False)
return
##
# Events
##
def mousePressEvent(self, event: QMouseEvent):
"""Capture a click on the title and ensure that the item is
selected in the project tree.
"""
self.mainGui.projView.setSelectedHandle(self._docHandle, doScroll=True)
return
# END Class GuiDocEditHeader
# =============================================================================================== #
# The Embedded Document Footer
# Only used by DocEditor, and is at a fixed position in the QTextEdit's viewport
# =============================================================================================== #
class GuiDocEditFooter(QWidget):
def __init__(self, docEditor: GuiDocEditor) -> None:
super().__init__(parent=docEditor)
logger.debug("Create: GuiDocEditFooter")
self.docEditor = docEditor
self._tItem = None
self._docHandle = None
self._docSelection = False
self.sPx = int(round(0.9*SHARED.theme.baseIconSize))
fPx = int(0.9*SHARED.theme.fontPixelSize)
bSp = CONFIG.pxInt(4)
hSp = CONFIG.pxInt(6)
lblFont = self.font()
lblFont.setPointSizeF(0.9*SHARED.theme.fontPointSize)
# Main Widget Settings
self.setContentsMargins(0, 0, 0, 0)
self.setAutoFillBackground(True)
# Status
self.statusIcon = QLabel("")
self.statusIcon.setContentsMargins(0, 0, 0, 0)
self.statusIcon.setFixedHeight(self.sPx)
self.statusIcon.setAlignment(Qt.AlignLeft | Qt.AlignTop)
self.statusText = QLabel(self.tr("Status"))
self.statusText.setIndent(0)
self.statusText.setMargin(0)
self.statusText.setContentsMargins(0, 0, 0, 0)
self.statusText.setAutoFillBackground(True)
self.statusText.setFixedHeight(fPx)
self.statusText.setAlignment(Qt.AlignLeft | Qt.AlignTop)
self.statusText.setFont(lblFont)
# Lines
self.linesIcon = QLabel("")
self.linesIcon.setContentsMargins(0, 0, 0, 0)
self.linesIcon.setFixedHeight(self.sPx)
self.linesIcon.setAlignment(Qt.AlignLeft | Qt.AlignTop)
self.linesText = QLabel("")
self.linesText.setIndent(0)
self.linesText.setMargin(0)
self.linesText.setContentsMargins(0, 0, 0, 0)
self.linesText.setAutoFillBackground(True)
self.linesText.setFixedHeight(fPx)
self.linesText.setAlignment(Qt.AlignLeft | Qt.AlignTop)
self.linesText.setFont(lblFont)
# Words
self.wordsIcon = QLabel("")
self.wordsIcon.setContentsMargins(0, 0, 0, 0)
self.wordsIcon.setFixedHeight(self.sPx)
self.wordsIcon.setAlignment(Qt.AlignLeft | Qt.AlignTop)
self.wordsText = QLabel("")
self.wordsText.setIndent(0)
self.wordsText.setMargin(0)
self.wordsText.setContentsMargins(0, 0, 0, 0)
self.wordsText.setAutoFillBackground(True)
self.wordsText.setFixedHeight(fPx)
self.wordsText.setAlignment(Qt.AlignLeft | Qt.AlignTop)
self.wordsText.setFont(lblFont)
# Assemble Layout
self.outerBox = QHBoxLayout()
self.outerBox.setSpacing(bSp)
self.outerBox.addWidget(self.statusIcon)
self.outerBox.addWidget(self.statusText)
self.outerBox.addStretch(1)
self.outerBox.addWidget(self.linesIcon)
self.outerBox.addWidget(self.linesText)
self.outerBox.addSpacing(hSp)
self.outerBox.addWidget(self.wordsIcon)
self.outerBox.addWidget(self.wordsText)
self.setLayout(self.outerBox)
# Fix Margins and Size
# This is needed for high DPI systems. See issue #499.
cM = CONFIG.pxInt(8)
self.setContentsMargins(0, 0, 0, 0)
self.outerBox.setContentsMargins(cM, cM, cM, cM)
self.setMinimumHeight(fPx + 2*cM)
# Fix the Colours
self.updateTheme()
self.updateLineCount()
self.updateCounts()
logger.debug("Ready: GuiDocEditFooter")
return
##
# Methods
##
def updateTheme(self) -> None:
"""Update theme elements."""
self.linesIcon.setPixmap(SHARED.theme.getPixmap("status_lines", (self.sPx, self.sPx)))
self.wordsIcon.setPixmap(SHARED.theme.getPixmap("status_stats", (self.sPx, self.sPx)))
self.matchColours()
return
def matchColours(self) -> None:
"""Update the colours of the widget to match those of the syntax
theme rather than the main GUI.
"""
palette = QPalette()
palette.setColor(QPalette.Window, QColor(*SHARED.theme.colBack))
palette.setColor(QPalette.WindowText, QColor(*SHARED.theme.colText))
palette.setColor(QPalette.Text, QColor(*SHARED.theme.colText))
self.setPalette(palette)
self.statusText.setPalette(palette)
self.linesText.setPalette(palette)
self.wordsText.setPalette(palette)
return
def setHandle(self, tHandle: str | None) -> None:
"""Set the handle that will populate the footer's data."""
self._docHandle = tHandle
if self._docHandle is None:
logger.debug("No handle set, so clearing the editor footer")
self._tItem = None
else:
self._tItem = SHARED.project.tree[self._docHandle]
self.setHasSelection(False)
self.updateInfo()
self.updateCounts()
return
def setHasSelection(self, hasSelection: bool) -> None:
"""Toggle the word counter mode between full count and selection
count mode.
"""
self._docSelection = hasSelection
return
def updateInfo(self) -> None:
"""Update the content of text labels."""
if self._tItem is None:
sIcon = QPixmap()
sText = ""
else:
status, icon = self._tItem.getImportStatus(incIcon=True)
sIcon = icon.pixmap(self.sPx, self.sPx)
sText = f"{status} / {self._tItem.describeMe()}"
self.statusIcon.setPixmap(sIcon)
self.statusText.setText(sText)
return
def updateLineCount(self) -> None:
"""Update the line counter."""
if self._tItem is None:
iLine = 0
iDist = 0
else:
cursor = self.docEditor.textCursor()
iLine = cursor.blockNumber() + 1
iDist = 100*iLine/self.docEditor._qDocument.blockCount()
self.linesText.setText(
self.tr("Line: {0} ({1})").format(f"{iLine:n}", f"{iDist:.0f} %")
)
return
def updateCounts(self, wCount: int | None = None, cCount: int | None = None) -> None:
"""Select which word count display mode to use."""
if self._docSelection:
self._updateSelectionWordCounts(wCount, cCount)
else:
self._updateWordCounts()
return
##
# Internal Functions
##
def _updateWordCounts(self) -> None:
"""Update the word count for the whole document."""
if self._tItem is None:
wCount = 0
wDiff = 0
else:
wCount = self._tItem.wordCount
wDiff = wCount - self._tItem.initCount
self.wordsText.setText(
self.tr("Words: {0} ({1})").format(f"{wCount:n}", f"{wDiff:+n}")
)
byteSize = self.docEditor._qDocument.characterCount()
self.wordsText.setToolTip(
self.tr("Document size is {0} bytes").format(f"{byteSize:n}")
)
return
def _updateSelectionWordCounts(self, wCount: int | None, cCount: int | None) -> None:
"""Update the word count for a selection."""
if wCount is None or cCount is None:
return
self.wordsText.setText(
self.tr("Words: {0} selected").format(f"{wCount:n}")
)
self.wordsText.setToolTip(
self.tr("Character count: {0}").format(f"{cCount:n}")
)
return
# END Class GuiDocEditFooter