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novelWriter/novelwriter/gui/statusbar.py
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"""
novelWriter GUI Main Window Status Bar
========================================
File History:
Created: 2019-04-20 [0.0.1] GuiMainStatus
This file is a part of novelWriter
Copyright (C) 2019 Veronica Berglyd Olsen and novelWriter contributors
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 logging
from datetime import datetime
from time import time
from PyQt6.QtCore import QLocale, pyqtSlot
from PyQt6.QtWidgets import QApplication, QLabel, QStatusBar, QWidget
from novelwriter import CONFIG, SHARED
from novelwriter.common import formatTime
from novelwriter.constants import nwConst
from novelwriter.enum import nwTrinary
from novelwriter.extensions.modified import NClickableLabel
from novelwriter.extensions.statusled import StatusLED
logger = logging.getLogger(__name__)
class GuiMainStatus(QStatusBar):
def __init__(self, parent: QWidget) -> None:
super().__init__(parent=parent)
logger.debug("Create: GuiMainStatus")
self._refTime = -1.0
self._userIdle = False
self._debugInfo = False
iPx = SHARED.theme.baseIconHeight
# Permanent Widgets
# =================
# The Spell Checker Language
self.langIcon = QLabel("", self)
self.langText = QLabel(self.tr("None"), self)
self.langIcon.setContentsMargins(0, 0, 0, 0)
self.langText.setContentsMargins(0, 0, 8, 0)
self.addPermanentWidget(self.langIcon)
self.addPermanentWidget(self.langText)
# The Editor Status
self.docIcon = StatusLED(iPx, iPx, self)
self.docText = QLabel(self.tr("Editor"), self)
self.docIcon.setContentsMargins(0, 0, 0, 0)
self.docText.setContentsMargins(0, 0, 8, 0)
self.addPermanentWidget(self.docIcon)
self.addPermanentWidget(self.docText)
# The Project Status
self.projIcon = StatusLED(iPx, iPx, self)
self.projText = QLabel(self.tr("Project"), self)
self.projIcon.setContentsMargins(0, 0, 0, 0)
self.projText.setContentsMargins(0, 0, 8, 0)
self.addPermanentWidget(self.projIcon)
self.addPermanentWidget(self.projText)
# The Project and Session Stats
self.statsIcon = QLabel(self)
self.statsText = QLabel("", self)
self.statsIcon.setContentsMargins(0, 0, 0, 0)
self.statsText.setContentsMargins(0, 0, 8, 0)
self.addPermanentWidget(self.statsIcon)
self.addPermanentWidget(self.statsText)
# The Session Clock
# Set the minimum width so the label doesn't rescale every second
self.timeIcon = NClickableLabel(self)
self.timeIcon.mouseClicked.connect(self._onClickTimerLabel)
self.timeText = NClickableLabel("", self)
self.timeText.setToolTip(self.tr("Session Time"))
self.timeText.setMinimumWidth(SHARED.theme.getTextWidth("00:00:00:"))
self.timeIcon.setContentsMargins(0, 0, 0, 0)
self.timeText.setContentsMargins(0, 0, 0, 0)
self.timeText.setVisible(CONFIG.showSessionTime)
self.timeText.mouseClicked.connect(self._onClickTimerLabel)
self.addPermanentWidget(self.timeIcon)
self.addPermanentWidget(self.timeText)
# Other Settings
self.setSizeGripEnabled(True)
logger.debug("Ready: GuiMainStatus")
self.updateTheme()
self.clearStatus()
return
def clearStatus(self) -> None:
"""Reset all widgets on the status bar to default values."""
self.setRefTime(-1.0)
self.setLanguage(*SHARED.spelling.describeDict())
self.setProjectStats(0, 0)
self.setProjectStatus(nwTrinary.NEUTRAL)
self.setDocumentStatus(nwTrinary.NEUTRAL)
self.updateTime()
return
def updateTheme(self) -> None:
"""Update theme elements."""
iPx = SHARED.theme.baseIconHeight
self.langIcon.setPixmap(SHARED.theme.getPixmap("language", (iPx, iPx)))
self.statsIcon.setPixmap(SHARED.theme.getPixmap("stats", (iPx, iPx)))
self.timePixmap = SHARED.theme.getPixmap("timer", (iPx, iPx))
self.idlePixmap = SHARED.theme.getPixmap("timer_off", (iPx, iPx))
self.timeIcon.setPixmap(self.timePixmap)
colNone = SHARED.theme.getIconColor("default").darker(150)
colSaved = SHARED.theme.getIconColor("green").darker(150)
colUnsaved = SHARED.theme.getIconColor("red").darker(150)
self.docIcon.setColors(colNone, colSaved, colUnsaved)
self.projIcon.setColors(colNone, colSaved, colUnsaved)
return
##
# Setters
##
def setRefTime(self, refTime: float) -> None:
"""Set the reference time for the status bar clock."""
self._refTime = refTime
return
def setProjectStatus(self, state: nwTrinary) -> None:
"""Set the project status colour icon."""
self.projIcon.setState(state)
return
def setDocumentStatus(self, state: nwTrinary) -> None:
"""Set the document status colour icon."""
self.docIcon.setState(state)
return
def setUserIdle(self, idle: bool) -> None:
"""Change the idle status icon."""
if not CONFIG.stopWhenIdle:
idle = False
if self._userIdle != idle:
if idle:
self.timeIcon.setPixmap(self.idlePixmap)
else:
self.timeIcon.setPixmap(self.timePixmap)
self._userIdle = idle
return
def setProjectStats(self, pWC: int, sWC: int) -> None:
"""Update the current project statistics."""
self.statsText.setText(self.tr("Words: {0} ({1})").format(f"{pWC:n}", f"{sWC:+n}"))
if CONFIG.incNotesWCount:
self.statsText.setToolTip(self.tr("Project word count (session change)"))
else:
self.statsText.setToolTip(self.tr("Novel word count (session change)"))
return
def updateTime(self, idleTime: float = 0.0) -> None:
"""Update the session clock."""
if self._refTime < 0.0:
self.timeText.setText("00:00:00")
else:
if CONFIG.stopWhenIdle:
sessTime = round(time() - self._refTime - idleTime)
else:
sessTime = round(time() - self._refTime)
self.timeText.setText(formatTime(sessTime))
return
##
# Public Slots
##
@pyqtSlot(str)
def setStatusMessage(self, message: str) -> None:
"""Set the status bar message to display."""
self.showMessage(message, nwConst.STATUS_MSG_TIMEOUT)
QApplication.processEvents()
return
@pyqtSlot(str, str)
def setLanguage(self, language: str, provider: str) -> None:
"""Set the language code for the spell checker."""
if language == "None":
self.langText.setText(self.tr("None"))
self.langText.setToolTip("")
else:
self.langText.setText(QLocale(language).nativeLanguageName().title())
self.langText.setToolTip(f"{language} ({provider})" if provider else language)
return
@pyqtSlot(bool)
def updateProjectStatus(self, status: bool) -> None:
"""Update the project status."""
self.setProjectStatus(nwTrinary.NEGATIVE if status else nwTrinary.POSITIVE)
return
@pyqtSlot(bool)
def updateDocumentStatus(self, status: bool) -> None:
"""Update the document status."""
self.setDocumentStatus(nwTrinary.NEGATIVE if status else nwTrinary.POSITIVE)
return
##
# Private Slots
##
@pyqtSlot()
def _onClickTimerLabel(self) -> None:
"""Process mouse click on timer label."""
state = not CONFIG.showSessionTime
self.timeText.setVisible(state)
CONFIG.showSessionTime = state
return
##
# Debug
##
def memInfo(self) -> None: # pragma: no cover
"""Display memory info on the status bar. This is used to
investigate memory usage and Qt widgets that get left in memory.
Enabled by the --meminfo command line flag.
By default, this tracks memory usage diff after launch. To track
full memory usage, set environment variable PYTHONTRACEMALLOC=1
before starting novelWriter.
"""
import tracemalloc
count = len(QApplication.allWidgets())
if not self._debugInfo:
if tracemalloc.is_tracing():
self._traceMallocRef = "Total"
else:
self._traceMallocRef = "Relative"
tracemalloc.start()
self._debugInfo = True
current, peak = tracemalloc.get_traced_memory()
stamp = datetime.now().strftime("%H:%M:%S")
message = (
f"Widgets: {count} \u2013 "
f"{self._traceMallocRef} Memory: {current/1024:,.2f} kiB \u2013 "
f"Peak: {peak/1024:,.2f} kiB"
)
self.showMessage(f"Debug [{stamp}] {message}", 6000)
logger.debug("[MEMINFO] %s", message)
return