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import os
from PyQt5.QtCore import QUrl, QFile, QUrl
from PyQt5.QtWidgets import (QWidget,QVBoxLayout,QLabel)
from qtvcp.core import Path
# Set up logging
from qtvcp import logger
LOG = logger.getLogger(__name__)
PATH = Path()
good = True
try:
from PyQt5.QtWebEngineWidgets import QWebEngineView as WebBase
except:
try:
from PyQt5.QtWebKitWidgets import QWebView as WebBase
except:
LOG.warning('WebWidget - Is python3-pyqt-QtWebEngine installed?')
# fail safe - mostly for designer
# PyQt5.QtWebEngineWidgets must be loaded before QApplication
# which doesn't happen in designer. Also screen won't immediately
# crash if both libraries are not missing
WebBase = QWidget
good = False
class WebWidget(WebBase):
def __init__(self, parent=None):
super(WebWidget, self).__init__(parent)
# bad imports - give a clue
if not good:
vbox = QVBoxLayout(self)
vbox.addStretch(1)
mess = QLabel('WebWidget Import failed')
vbox.addWidget(mess)
# load a HTML file, but try to fix the image path
def loadFile(self, path):
file = QFile(path)
file.open(QFile.ReadOnly)
txt = file.readAll()
txt = str(txt, encoding='utf8')
# fix sample html image path
if 'IMAGEDIR/' in txt:
txt = txt.replace('IMAGEDIR/','')
super().setHtml(txt,QUrl.fromLocalFile(str(PATH.IMAGEDIR+'/')))
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