Files
novelWriter/novelwriter/gui/theme.py
T
Veronica Berglyd Olsen b97844512a Update icons in the GUI
2025-01-07 19:19:11 +01:00

814 lines
32 KiB
Python
Raw Blame History

This file contains ambiguous Unicode characters
This file contains Unicode characters that might be confused with other characters. If you think that this is intentional, you can safely ignore this warning. Use the Escape button to reveal them.
"""
novelWriter Theme and Icons Classes
=====================================
File History:
Created: 2019-05-18 [0.1.3] GuiTheme
Created: 2019-11-08 [0.4] GuiIcons
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 math import ceil
from pathlib import Path
from PyQt5.QtCore import QSize, Qt
from PyQt5.QtGui import QColor, QFont, QFontDatabase, QFontMetrics, QIcon, QPalette, QPixmap
from PyQt5.QtWidgets import QApplication
from novelwriter import CONFIG
from novelwriter.common import NWConfigParser, cssCol, minmax
from novelwriter.constants import nwLabels
from novelwriter.enum import nwItemClass, nwItemLayout, nwItemType
from novelwriter.error import logException
from novelwriter.types import QtTransparent
logger = logging.getLogger(__name__)
STYLES_FLAT_TABS = "flatTabWidget"
STYLES_MIN_TOOLBUTTON = "minimalToolButton"
STYLES_BIG_TOOLBUTTON = "bigToolButton"
class GuiTheme:
"""Gui Theme Class
Handles the look and feel of novelWriter.
"""
def __init__(self) -> None:
self.iconCache = GuiIcons(self)
# Loaded Theme Settings
# =====================
# Theme
self.themeName = ""
self.themeDescription = ""
self.themeAuthor = ""
self.themeCredit = ""
self.themeUrl = ""
self.themeLicense = ""
self.themeLicenseUrl = ""
self.themeIcons = ""
self.isLightTheme = True
# GUI
self.statNone = QColor(0, 0, 0)
self.statUnsaved = QColor(0, 0, 0)
self.statSaved = QColor(0, 0, 0)
self.helpText = QColor(0, 0, 0)
self.fadedText = QColor(0, 0, 0)
self.errorText = QColor(255, 0, 0)
# Loaded Syntax Settings
# ======================
# Main
self.syntaxName = ""
self.syntaxDescription = ""
self.syntaxAuthor = ""
self.syntaxCredit = ""
self.syntaxUrl = ""
self.syntaxLicense = ""
self.syntaxLicenseUrl = ""
# Colours
self.colBack = QColor(255, 255, 255)
self.colText = QColor(0, 0, 0)
self.colLink = QColor(0, 0, 0)
self.colHead = QColor(0, 0, 0)
self.colHeadH = QColor(0, 0, 0)
self.colEmph = QColor(0, 0, 0)
self.colDialN = QColor(0, 0, 0)
self.colDialA = QColor(0, 0, 0)
self.colHidden = QColor(0, 0, 0)
self.colNote = QColor(0, 0, 0)
self.colCode = QColor(0, 0, 0)
self.colKey = QColor(0, 0, 0)
self.colTag = QColor(0, 0, 0)
self.colVal = QColor(0, 0, 0)
self.colOpt = QColor(0, 0, 0)
self.colSpell = QColor(0, 0, 0)
self.colError = QColor(0, 0, 0)
self.colRepTag = QColor(0, 0, 0)
self.colMod = QColor(0, 0, 0)
self.colMark = QColor(255, 255, 255, 128)
# Class Setup
# ===========
# Load Themes
self._guiPalette = QPalette()
self._themeList: list[tuple[str, str]] = []
self._syntaxList: list[tuple[str, str]] = []
self._availThemes: dict[str, Path] = {}
self._availSyntax: dict[str, Path] = {}
self._styleSheets: dict[str, str] = {}
self._listConf(self._availSyntax, CONFIG.assetPath("syntax"))
self._listConf(self._availThemes, CONFIG.assetPath("themes"))
self._listConf(self._availSyntax, CONFIG.dataPath("syntax"))
self._listConf(self._availThemes, CONFIG.dataPath("themes"))
self.loadTheme()
self.loadSyntax()
# Icon Functions
self.getIcon = self.iconCache.getIcon
self.getPixmap = self.iconCache.getPixmap
self.getItemIcon = self.iconCache.getItemIcon
self.getToggleIcon = self.iconCache.getToggleIcon
self.loadDecoration = self.iconCache.loadDecoration
self.getHeaderDecoration = self.iconCache.getHeaderDecoration
self.getHeaderDecorationNarrow = self.iconCache.getHeaderDecorationNarrow
# Extract Other Info
self.guiDPI = QApplication.primaryScreen().logicalDotsPerInchX()
self.guiScale = QApplication.primaryScreen().logicalDotsPerInchX()/96.0
CONFIG.guiScale = self.guiScale
logger.debug("GUI DPI: %.1f", self.guiDPI)
logger.debug("GUI Scale: %.2f", self.guiScale)
# Fonts
self.guiFont = QApplication.font()
self.guiFontB = QApplication.font()
self.guiFontB.setBold(True)
self.guiFontBU = QApplication.font()
self.guiFontBU.setBold(True)
self.guiFontBU.setUnderline(True)
self.guiFontSmall = QApplication.font()
self.guiFontSmall.setPointSizeF(0.9*self.guiFont.pointSizeF())
qMetric = QFontMetrics(self.guiFont)
fHeight = qMetric.height()
fAscent = qMetric.ascent()
self.fontPointSize = self.guiFont.pointSizeF()
self.fontPixelSize = int(round(fHeight))
self.baseIconHeight = int(round(fAscent))
self.baseButtonHeight = int(round(1.35*fAscent))
self.textNHeight = qMetric.boundingRect("N").height()
self.textNWidth = qMetric.boundingRect("N").width()
self.baseIconSize = QSize(self.baseIconHeight, self.baseIconHeight)
self.buttonIconSize = QSize(int(0.9*self.baseIconHeight), int(0.9*self.baseIconHeight))
# Monospace Font
self.guiFontFixed = QFont()
self.guiFontFixed.setPointSizeF(0.95*self.fontPointSize)
self.guiFontFixed.setFamily(
QFontDatabase.systemFont(QFontDatabase.SystemFont.FixedFont).family()
)
logger.debug("GUI Font Family: %s", self.guiFont.family())
logger.debug("GUI Font Point Size: %.2f", self.fontPointSize)
logger.debug("GUI Font Pixel Size: %d", self.fontPixelSize)
logger.debug("GUI Base Icon Height: %d", self.baseIconHeight)
logger.debug("GUI Base Button Height: %d", self.baseButtonHeight)
logger.debug("Text 'N' Height: %d", self.textNHeight)
logger.debug("Text 'N' Width: %d", self.textNWidth)
return
##
# Methods
##
def getTextWidth(self, text: str, font: QFont | None = None) -> int:
"""Returns the width needed to contain a given piece of text in
pixels.
"""
if isinstance(font, QFont):
qMetrics = QFontMetrics(font)
else:
qMetrics = QFontMetrics(self.guiFont)
return int(ceil(qMetrics.boundingRect(text).width()))
##
# Theme Methods
##
def loadTheme(self) -> bool:
"""Load the currently specified GUI theme."""
guiTheme = CONFIG.guiTheme
if guiTheme not in self._availThemes:
logger.error("Could not find GUI theme '%s'", guiTheme)
guiTheme = "default"
CONFIG.guiTheme = guiTheme
themeFile = self._availThemes.get(guiTheme, None)
if themeFile is None:
logger.error("Could not load GUI theme")
return False
# Config File
logger.info("Loading GUI theme '%s'", guiTheme)
parser = NWConfigParser()
try:
with open(themeFile, mode="r", encoding="utf-8") as inFile:
parser.read_file(inFile)
except Exception:
logger.error("Could not load theme settings from: %s", themeFile)
logException()
return False
# Reset Palette
self._guiPalette = QApplication.style().standardPalette()
self._resetGuiColors()
# Main
sec = "Main"
if parser.has_section(sec):
self.themeName = parser.rdStr(sec, "name", "")
self.themeDescription = parser.rdStr(sec, "description", "N/A")
self.themeAuthor = parser.rdStr(sec, "author", "N/A")
self.themeCredit = parser.rdStr(sec, "credit", "N/A")
self.themeUrl = parser.rdStr(sec, "url", "")
self.themeLicense = parser.rdStr(sec, "license", "N/A")
self.themeLicenseUrl = parser.rdStr(sec, "licenseurl", "")
self.themeIcons = parser.rdStr(sec, "icontheme", "")
# Icons
sec = "Icons"
if parser.has_section(sec):
self.iconCache.setIconColor("default", self._parseColour(parser, sec, "default"))
self.iconCache.setIconColor("red", self._parseColour(parser, sec, "red"))
self.iconCache.setIconColor("orange", self._parseColour(parser, sec, "orange"))
self.iconCache.setIconColor("yellow", self._parseColour(parser, sec, "yellow"))
self.iconCache.setIconColor("green", self._parseColour(parser, sec, "green"))
self.iconCache.setIconColor("aqua", self._parseColour(parser, sec, "aqua"))
self.iconCache.setIconColor("blue", self._parseColour(parser, sec, "blue"))
self.iconCache.setIconColor("purple", self._parseColour(parser, sec, "purple"))
# Palette
sec = "Palette"
if parser.has_section(sec):
self._setPalette(parser, sec, "window", QPalette.ColorRole.Window)
self._setPalette(parser, sec, "windowtext", QPalette.ColorRole.WindowText)
self._setPalette(parser, sec, "base", QPalette.ColorRole.Base)
self._setPalette(parser, sec, "alternatebase", QPalette.ColorRole.AlternateBase)
self._setPalette(parser, sec, "text", QPalette.ColorRole.Text)
self._setPalette(parser, sec, "tooltipbase", QPalette.ColorRole.ToolTipBase)
self._setPalette(parser, sec, "tooltiptext", QPalette.ColorRole.ToolTipText)
self._setPalette(parser, sec, "button", QPalette.ColorRole.Button)
self._setPalette(parser, sec, "buttontext", QPalette.ColorRole.ButtonText)
self._setPalette(parser, sec, "brighttext", QPalette.ColorRole.BrightText)
self._setPalette(parser, sec, "highlight", QPalette.ColorRole.Highlight)
self._setPalette(parser, sec, "highlightedtext", QPalette.ColorRole.HighlightedText)
self._setPalette(parser, sec, "link", QPalette.ColorRole.Link)
self._setPalette(parser, sec, "linkvisited", QPalette.ColorRole.LinkVisited)
# GUI
sec = "GUI"
if parser.has_section(sec):
self.helpText = self._parseColour(parser, sec, "helptext")
self.fadedText = self._parseColour(parser, sec, "fadedtext")
self.errorText = self._parseColour(parser, sec, "errortext")
self.statNone = self._parseColour(parser, sec, "statusnone")
self.statUnsaved = self._parseColour(parser, sec, "statusunsaved")
self.statSaved = self._parseColour(parser, sec, "statussaved")
# Update Dependant Colours
backCol = self._guiPalette.window().color()
textCol = self._guiPalette.windowText().color()
backLNess = backCol.lightnessF()
textLNess = textCol.lightnessF()
self.isLightTheme = backLNess > textLNess
if self.helpText == QColor(0, 0, 0):
if self.isLightTheme:
helpLCol = textLNess + 0.35*(backLNess - textLNess)
else:
helpLCol = backLNess + 0.65*(textLNess - backLNess)
self.helpText = QColor.fromHsl(0, 0, int(255*helpLCol))
logger.debug(
"Computed help text colour: rgb(%d, %d, %d)",
self.helpText.red(), self.helpText.green(), self.helpText.blue()
)
# Icons
defaultIcons = "typicons_light" if backLNess >= 0.5 else "typicons_dark"
self.iconCache.loadTheme(self.themeIcons or defaultIcons)
self.iconCache.loadNewTheme("")
# Apply Styles
QApplication.setPalette(self._guiPalette)
# Reset stylesheets so that they are regenerated
self._buildStyleSheets(self._guiPalette)
return True
def loadSyntax(self) -> bool:
"""Load the currently specified syntax highlighter theme."""
guiSyntax = CONFIG.guiSyntax
if guiSyntax not in self._availSyntax:
logger.error("Could not find syntax theme '%s'", guiSyntax)
guiSyntax = "default_light"
CONFIG.guiSyntax = guiSyntax
syntaxFile = self._availSyntax.get(guiSyntax, None)
if syntaxFile is None:
logger.error("Could not load syntax theme")
return False
logger.info("Loading syntax theme '%s'", guiSyntax)
confParser = NWConfigParser()
try:
with open(syntaxFile, mode="r", encoding="utf-8") as inFile:
confParser.read_file(inFile)
except Exception:
logger.error("Could not load syntax colours from: %s", syntaxFile)
logException()
return False
# Main
cnfSec = "Main"
if confParser.has_section(cnfSec):
self.syntaxName = confParser.rdStr(cnfSec, "name", "")
self.syntaxDescription = confParser.rdStr(cnfSec, "description", "N/A")
self.syntaxAuthor = confParser.rdStr(cnfSec, "author", "N/A")
self.syntaxCredit = confParser.rdStr(cnfSec, "credit", "N/A")
self.syntaxUrl = confParser.rdStr(cnfSec, "url", "")
self.syntaxLicense = confParser.rdStr(cnfSec, "license", "N/A")
self.syntaxLicenseUrl = confParser.rdStr(cnfSec, "licenseurl", "")
# Syntax
cnfSec = "Syntax"
if confParser.has_section(cnfSec):
self.colBack = self._parseColour(confParser, cnfSec, "background")
self.colText = self._parseColour(confParser, cnfSec, "text")
self.colLink = self._parseColour(confParser, cnfSec, "link")
self.colHead = self._parseColour(confParser, cnfSec, "headertext")
self.colHeadH = self._parseColour(confParser, cnfSec, "headertag")
self.colEmph = self._parseColour(confParser, cnfSec, "emphasis")
self.colDialN = self._parseColour(confParser, cnfSec, "dialog")
self.colDialA = self._parseColour(confParser, cnfSec, "altdialog")
self.colHidden = self._parseColour(confParser, cnfSec, "hidden")
self.colNote = self._parseColour(confParser, cnfSec, "note")
self.colCode = self._parseColour(confParser, cnfSec, "shortcode")
self.colKey = self._parseColour(confParser, cnfSec, "keyword")
self.colTag = self._parseColour(confParser, cnfSec, "tag")
self.colVal = self._parseColour(confParser, cnfSec, "value")
self.colOpt = self._parseColour(confParser, cnfSec, "optional")
self.colSpell = self._parseColour(confParser, cnfSec, "spellcheckline")
self.colError = self._parseColour(confParser, cnfSec, "errorline")
self.colRepTag = self._parseColour(confParser, cnfSec, "replacetag")
self.colMod = self._parseColour(confParser, cnfSec, "modifier")
self.colMark = self._parseColour(confParser, cnfSec, "texthighlight")
return True
def listThemes(self) -> list[tuple[str, str]]:
"""Scan the GUI themes folder and list all themes."""
if self._themeList:
return self._themeList
confParser = NWConfigParser()
for themeKey, themePath in self._availThemes.items():
logger.debug("Checking theme config for '%s'", themeKey)
themeName = _loadInternalName(confParser, themePath)
if themeName:
self._themeList.append((themeKey, themeName))
self._themeList = sorted(self._themeList, key=_sortTheme)
return self._themeList
def listSyntax(self) -> list[tuple[str, str]]:
"""Scan the syntax themes folder and list all themes."""
if self._syntaxList:
return self._syntaxList
confParser = NWConfigParser()
for syntaxKey, syntaxPath in self._availSyntax.items():
logger.debug("Checking theme syntax for '%s'", syntaxKey)
syntaxName = _loadInternalName(confParser, syntaxPath)
if syntaxName:
self._syntaxList.append((syntaxKey, syntaxName))
self._syntaxList = sorted(self._syntaxList, key=_sortTheme)
return self._syntaxList
def getStyleSheet(self, name: str) -> str:
"""Load a standard style sheet."""
return self._styleSheets.get(name, "")
##
# Internal Functions
##
def _resetGuiColors(self) -> None:
"""Reset GUI colours to default values."""
self.statNone = QColor(120, 120, 120)
self.statUnsaved = QColor(200, 15, 39)
self.statSaved = QColor(2, 133, 37)
self.helpText = QColor(0, 0, 0)
self.fadedText = QColor(128, 128, 128)
self.errorText = QColor(255, 0, 0)
return
def _listConf(self, targetDict: dict, checkDir: Path) -> bool:
"""Scan for theme config files and populate the dictionary."""
if not checkDir.is_dir():
return False
for checkFile in checkDir.iterdir():
if checkFile.is_file() and checkFile.name.endswith(".conf"):
targetDict[checkFile.name[:-5]] = checkFile
return True
def _parseColour(self, parser: NWConfigParser, section: str, name: str) -> QColor:
"""Parse a colour value from a config string."""
return QColor(*parser.rdIntList(section, name, [0, 0, 0, 255]))
def _setPalette(self, parser: NWConfigParser, section: str,
name: str, value: QPalette.ColorRole) -> None:
"""Set a palette colour value from a config string."""
self._guiPalette.setColor(value, self._parseColour(parser, section, name))
return
def _buildStyleSheets(self, palette: QPalette) -> None:
"""Build default style sheets."""
self._styleSheets = {}
aPx = CONFIG.pxInt(2)
bPx = CONFIG.pxInt(4)
cPx = CONFIG.pxInt(6)
dPx = CONFIG.pxInt(8)
tCol = palette.text().color()
hCol = palette.highlight().color()
# Flat Tab Widget and Tab Bar:
self._styleSheets[STYLES_FLAT_TABS] = (
"QTabWidget::pane {border: 0;} "
f"QTabWidget QTabBar::tab {{border: 0; padding: {bPx}px {dPx}px;}} "
f"QTabWidget QTabBar::tab:selected {{color: {cssCol(hCol)};}} "
)
# Minimal Tool Button
self._styleSheets[STYLES_MIN_TOOLBUTTON] = (
f"QToolButton {{padding: {aPx}px; margin: 0; border: none; background: transparent;}} "
f"QToolButton:hover {{border: none; background: {cssCol(tCol, 48)};}} "
"QToolButton::menu-indicator {image: none;} "
)
# Big Tool Button
self._styleSheets[STYLES_BIG_TOOLBUTTON] = (
f"QToolButton {{padding: {cPx}px; margin: 0; border: none; background: transparent;}} "
f"QToolButton:hover {{border: none; background: {cssCol(tCol, 48)};}} "
"QToolButton::menu-indicator {image: none;} "
)
return
class GuiIcons:
"""The icon class manages the content of the assets/icons folder,
and provides a simple interface for requesting icons. Only icons
listed in the ICON_KEYS are handled.
Icons are loaded on first request, and then cached for further
requests. Each icon key in the ICON_KEYS set has standard icon set
in the icon theme conf file. The existence of the file, and the
definition of all keys are checked when the theme is loaded.
When an icon is requested, the icon is loaded and cached. If it is
missing, a blank icon is returned and a warning issued.
"""
ICON_KEYS: set[str] = {
# Project and GUI Icons
"novelwriter", "proj_nwx"
# Decorations
"deco_doc_h0", "deco_doc_h1", "deco_doc_h2", "deco_doc_h3", "deco_doc_h4", "deco_doc_more",
"deco_doc_h0_n", "deco_doc_h1_n", "deco_doc_h2_n", "deco_doc_h3_n", "deco_doc_h4_n",
"deco_doc_nt_n",
}
TOGGLE_ICON_KEYS: dict[str, tuple[str, str]] = {
"bullet": ("bullet-on", "bullet-off"),
"unfold": ("unfold-show", "unfold-hide"),
}
IMAGE_MAP: dict[str, tuple[str, str]] = {
"welcome": ("welcome-light.jpg", "welcome-dark.jpg"),
"nw-text": ("novelwriter-text-light.svg", "novelwriter-text-dark.svg"),
}
def __init__(self, mainTheme: GuiTheme) -> None:
self.mainTheme = mainTheme
# Storage
self._svgData: dict[str, bytes] = {}
self._svgColours: dict[str, bytes] = {}
self._qIcons: dict[str, QIcon] = {}
self._themeMap: dict[str, Path] = {}
self._headerDec: list[QPixmap] = []
self._headerDecNarrow: list[QPixmap] = []
# Icon Theme Path
self._confName = "icons.conf"
self._iconPath = CONFIG.assetPath("icons")
# None Icon
self._noIcon = QIcon(str(self._iconPath / "none.svg"))
# Icon Theme Meta
self.themeName = ""
self.themeDescription = ""
self.themeAuthor = ""
self.themeCredit = ""
self.themeUrl = ""
self.themeLicense = ""
self.themeLicenseUrl = ""
return
##
# Actions
##
def loadTheme(self, iconTheme: str) -> bool:
"""Update the theme map. This is more of an init, since many of
the GUI icons cannot really be replaced without writing specific
update functions for the classes where they're used.
"""
self._themeMap = {}
themePath = self._iconPath / iconTheme
if not themePath.is_dir():
themePath = CONFIG.dataPath("icons") / iconTheme
if not themePath.is_dir():
logger.warning("No icons loaded for '%s'", iconTheme)
return False
themeConf = themePath / self._confName
logger.info("Loading icon theme '%s'", iconTheme)
# Config File
confParser = NWConfigParser()
try:
with open(themeConf, mode="r", encoding="utf-8") as inFile:
confParser.read_file(inFile)
except Exception:
logger.error("Could not load icon theme settings from: %s", themeConf)
logException()
return False
# Main
cnfSec = "Main"
if confParser.has_section(cnfSec):
self.themeName = confParser.rdStr(cnfSec, "name", "")
self.themeDescription = confParser.rdStr(cnfSec, "description", "")
self.themeAuthor = confParser.rdStr(cnfSec, "author", "N/A")
self.themeCredit = confParser.rdStr(cnfSec, "credit", "N/A")
self.themeUrl = confParser.rdStr(cnfSec, "url", "")
self.themeLicense = confParser.rdStr(cnfSec, "license", "N/A")
self.themeLicenseUrl = confParser.rdStr(cnfSec, "licenseurl", "")
# Populate Icon Map
cnfSec = "Map"
if confParser.has_section(cnfSec):
for iconName, iconFile in confParser.items(cnfSec):
if iconName not in self.ICON_KEYS:
logger.error("Unknown icon name '%s' in config file", iconName)
else:
iconPath = themePath / iconFile
if iconPath.is_file():
self._themeMap[iconName] = iconPath
# logger.debug("Icon slot '%s' using file '%s'", iconName, iconFile)
else:
logger.error("Icon file '%s' not in theme folder", iconFile)
# Check that icons have been defined
logger.debug("Scanning theme icons")
for iconKey in self.ICON_KEYS:
if iconKey in ("novelwriter", "proj_nwx"):
# These are not part of the theme itself
continue
if iconKey not in self._themeMap:
logger.error("No icon file specified for '%s'", iconKey)
# Refresh icons
for iconKey in self._qIcons:
logger.debug("Reloading icon: '%s'", iconKey)
qIcon = self._loadIcon(iconKey)
self._qIcons[iconKey] = qIcon
self._headerDec = []
self._headerDecNarrow = []
return True
def loadNewTheme(self, iconTheme: str) -> bool:
"""Load new style theme."""
themePath = self._iconPath / "material_outline_bold.icons"
with open(themePath, mode="r", encoding="utf-8") as icons:
for icon in icons:
key, _, svg = icon.partition(" = ")
if key and svg:
self._svgData[key.strip()] = svg.strip().encode("utf-8")
return True
def setIconColor(self, key: str, color: QColor) -> None:
"""Set an icon colour for a named colour."""
self._svgColours[key] = color.name(QColor.NameFormat.HexRgb).encode("utf-8")
return
##
# Access Functions
##
def loadDecoration(self, name: str, w: int | None = None, h: int | None = None) -> QPixmap:
"""Load graphical decoration element based on the decoration
map or the icon map. This function always returns a QPixmap.
"""
if name in self._themeMap:
imgPath = self._themeMap[name]
elif name in self.IMAGE_MAP:
idx = 0 if self.mainTheme.isLightTheme else 1
imgPath = CONFIG.assetPath("images") / self.IMAGE_MAP[name][idx]
else:
logger.error("Decoration with name '%s' does not exist", name)
return QPixmap()
if not imgPath.is_file():
logger.error("Asset not found: %s", imgPath)
return QPixmap()
pixmap = QPixmap(str(imgPath))
tMode = Qt.TransformationMode.SmoothTransformation
if w is not None and h is not None:
return pixmap.scaled(w, h, Qt.AspectRatioMode.IgnoreAspectRatio, tMode)
elif w is None and h is not None:
return pixmap.scaledToHeight(h, tMode)
elif w is not None and h is None:
return pixmap.scaledToWidth(w, tMode)
return pixmap
def getIcon(self, name: str, color: str | None = None, w: int = 24, h: int = 24) -> QIcon:
"""Return an icon from the icon buffer, or load it."""
variant = f"{name}-{color}" if color else name
if (key := f"{variant}-{w}x{h}") in self._qIcons:
return self._qIcons[key]
else:
icon = self._loadIcon(name, color, w, h)
self._qIcons[key] = icon
logger.info("Icon: %s", key)
return icon
def getToggleIcon(self, name: str, size: tuple[int, int], color: str | None = None) -> QIcon:
"""Return a toggle icon from the icon buffer. or load it."""
if name in self.TOGGLE_ICON_KEYS:
pOne = self.getPixmap(self.TOGGLE_ICON_KEYS[name][0], size, color)
pTwo = self.getPixmap(self.TOGGLE_ICON_KEYS[name][1], size, color)
icon = QIcon()
icon.addPixmap(pOne, QIcon.Mode.Normal, QIcon.State.On)
icon.addPixmap(pTwo, QIcon.Mode.Normal, QIcon.State.Off)
return icon
return self._noIcon
def getPixmap(self, name: str, size: tuple[int, int], color: str | None = None) -> QPixmap:
"""Return an icon from the icon buffer as a QPixmap. If it
doesn't exist, return an empty QPixmap.
"""
w, h = size
return self.getIcon(name, color, w, h).pixmap(w, h, QIcon.Mode.Normal)
def getItemIcon(self, tType: nwItemType, tClass: nwItemClass,
tLayout: nwItemLayout, hLevel: str = "H0") -> QIcon:
"""Get the correct icon for a project item based on type, class
and heading level
"""
name = None
color = "default"
if tType == nwItemType.ROOT:
name = nwLabels.CLASS_ICON[tClass]
color = nwLabels.CLASS_COLOR[tClass]
elif tType == nwItemType.FOLDER:
name = "folder"
elif tType == nwItemType.FILE:
name = "document"
if tLayout == nwItemLayout.DOCUMENT:
if hLevel == "H1":
color = "green"
elif hLevel == "H2":
color = "red"
elif hLevel == "H3":
color = "blue"
elif tLayout == nwItemLayout.NOTE:
color = "yellow"
if name is None:
return self._noIcon
return self.getIcon(name, color)
def getHeaderDecoration(self, hLevel: int) -> QPixmap:
"""Get the decoration for a specific heading level."""
if not self._headerDec:
iPx = self.mainTheme.baseIconHeight
self._headerDec = [
self.loadDecoration("deco_doc_h0", h=iPx),
self.loadDecoration("deco_doc_h1", h=iPx),
self.loadDecoration("deco_doc_h2", h=iPx),
self.loadDecoration("deco_doc_h3", h=iPx),
self.loadDecoration("deco_doc_h4", h=iPx),
]
return self._headerDec[minmax(hLevel, 0, 4)]
def getHeaderDecorationNarrow(self, hLevel: int) -> QPixmap:
"""Get the narrow decoration for a specific heading level."""
if not self._headerDecNarrow:
iPx = self.mainTheme.baseIconHeight
self._headerDecNarrow = [
self.loadDecoration("deco_doc_h0_n", h=iPx),
self.loadDecoration("deco_doc_h1_n", h=iPx),
self.loadDecoration("deco_doc_h2_n", h=iPx),
self.loadDecoration("deco_doc_h3_n", h=iPx),
self.loadDecoration("deco_doc_h4_n", h=iPx),
self.loadDecoration("deco_doc_nt_n", h=iPx),
]
return self._headerDecNarrow[minmax(hLevel, 0, 5)]
##
# Internal Functions
##
def _loadIcon(self, name: str, color: str | None = None, w: int = 24, h: int = 24) -> QIcon:
"""Load an icon from the assets themes folder. Is guaranteed to
return a QIcon.
"""
# If we just want the app icons, return right away
if name == "novelwriter":
return QIcon(str(self._iconPath / "novelwriter.svg"))
elif name == "proj_nwx":
return QIcon(str(self._iconPath / "x-novelwriter-project.svg"))
if svg := self._svgData.get(name, b""):
if fill := self._svgColours.get(color or "default"):
svg = svg.replace(b"#000000", fill)
pixmap = QPixmap(w, h)
pixmap.fill(QtTransparent)
pixmap.loadFromData(svg, "svg")
return QIcon(pixmap)
# Otherwise, we load from the theme folder
if name in self._themeMap:
logger.debug("Loading: %s", self._themeMap[name].name)
return QIcon(str(self._themeMap[name]))
# If we didn't find one, give up and return an empty icon
logger.warning("Did not load an icon for '%s'", name)
return self._noIcon
# Module Functions
# ================
def _sortTheme(data: tuple[str, str]) -> str:
"""Key function for theme sorting."""
key, name = data
return f"*{name}" if key.startswith("default_") else name
def _loadInternalName(confParser: NWConfigParser, confFile: str | Path) -> str:
"""Open a conf file and read the 'name' setting."""
try:
with open(confFile, mode="r", encoding="utf-8") as inFile:
confParser.read_file(inFile)
except Exception:
logger.error("Could not load file: %s", confFile)
logException()
return ""
return confParser.rdStr("Main", "name", "")