def _find_font(self):
font = QFont()
wanted_size = self._point_size
font.setStyleStrategy(QFont.StyleStrategy(QFont.OpenGLCompatible | QFont.PreferAntialias))
fm = QFontMetricsF(font)
width = fm.width("888")
ratio = 1.8*wanted_size/max(width, fm.ascent())
self._font = font
self._font_zoom = ratio
def getMonoFont(fontsize=12, msg=False):
monofont = QFont()
monofont.setStyleStrategy(QFont.PreferAntialias+QFont.PreferMatch)
monofont.setStyleHint(QFont.Courier)
monofont.setFamily(IMC.fontFamily)
monofont.setFixedPitch(True) # probably unnecessary
monofont.setPointSize(fontsize)
if msg and (monofont.family() != IMC.fontFamily):
infoMsg("Font {0} not available, using {1}".format(
IMC.fontFamily, monoinf.family()) )
return monofont
def _find_font(self):
font = QFont()
wanted_size = self._point_size
font.setStyleStrategy(
QFont.StyleStrategy(QFont.OpenGLCompatible
| QFont.PreferAntialias))
fm = QFontMetricsF(font)
width = fm.width("888")
ratio = 1.8 * wanted_size / max(width, fm.ascent())
self._font = font
self._font_zoom = ratio
def displayLayerProperties( self ):
""" It is required to build the QLabel widget every time it is set """
propertiesFont = QFont()
propertiesFont.setItalic( True )
propertiesFont.setPointSize( 8 )
propertiesFont.setStyleStrategy( QFont.PreferAntialias )
label = QLabel( self.properties )
label.setTextInteractionFlags( Qt.TextSelectableByMouse | Qt.TextSelectableByKeyboard )
label.setFont( propertiesFont )
self.legend.setItemWidget( self.child, 0, label )
def __init__(self, parent=None):
super(htmlPreview, self).__init__(parent)
hbox = QHBoxLayout()
self.refreshButton = QPushButton(u"Refresh")
hbox.addWidget(self.refreshButton, 0)
hbox.addStretch(1)
self.refreshAndClearButton = QPushButton(u"Refresh + Clear")
hbox.addWidget(self.refreshAndClearButton)
vbox = QVBoxLayout()
vbox.addLayout(hbox, 0)
self.preview = QWebView(self)
# save a shortcut reference to web page and its history
self.webPage = self.preview.page()
self.history = self.preview.page().history()
vbox.addWidget(self.preview, 1)
self.setLayout(vbox)
# make the web preview uneditable
self.webPage.setContentEditable(False)
self.settings = self.preview.settings()
# Find out the nearest font to Palatino
qf = QFont()
qf.setStyleStrategy(QFont.PreferAntialias + QFont.PreferMatch)
qf.setStyleHint(QFont.Serif)
qf.setFamily(QString(u'Palatino'))
qfi = QFontInfo(qf)
# set the default font to that serif font
self.settings.setFontFamily(QWebSettings.StandardFont, qfi.family())
self.settings.setFontSize(QWebSettings.DefaultFontSize, 16)
self.settings.setFontSize(QWebSettings.MinimumFontSize, 6)
self.settings.setFontSize(QWebSettings.MinimumLogicalFontSize, 6)
self.zoomFactor = 1.0
# Disable everything but bog-standard html, appropriate for PP
self.settings.setAttribute(QWebSettings.JavascriptEnabled, False)
self.settings.setAttribute(QWebSettings.JavaEnabled, False)
self.settings.setAttribute(QWebSettings.PluginsEnabled, False)
self.settings.setAttribute(QWebSettings.ZoomTextOnly, False)
# the following causes a hard error in linux
#self.settings.setAttribute(QWebSettings.SiteSpecificQuirksEnabled, False)
# hook up the refresh buttons
self.connect(self.refreshButton, SIGNAL("clicked()"),
self.refresh1Click)
self.connect(self.refreshAndClearButton, SIGNAL("clicked()"),
self.refresh2Click)
# hook up the load status signals
self.connect(self.preview, SIGNAL("loadStarted()"), self.loadStarts)
self.connect(self.preview, SIGNAL("loadProgress(int)"),
self.loadProgresses)
self.connect(self.preview, SIGNAL("loadFinished(bool)"), self.loadEnds)
# here we store the scroll position to return to after reloading
self.scrollPosition = QPoint(0, 0)
# here save the user's find text for ctl-g use
self.findText = QString()
# here store the base URL for the current book.
self.baseURL = QUrl()
def displayLayerProperties(self):
""" It is required to build the QLabel widget every time it is set """
propertiesFont = QFont()
propertiesFont.setItalic(True)
propertiesFont.setPointSize(8)
propertiesFont.setStyleStrategy(QFont.PreferAntialias)
label = QLabel(self.properties)
label.setTextInteractionFlags(Qt.TextSelectableByMouse
| Qt.TextSelectableByKeyboard)
label.setFont(propertiesFont)
self.legend.setItemWidget(self.child, 0, label)
def __init__(self, parent=None ):
super(htmlPreview, self).__init__(parent)
hbox = QHBoxLayout()
self.refreshButton = QPushButton(u"Refresh")
hbox.addWidget(self.refreshButton,0)
hbox.addStretch(1)
self.refreshAndClearButton = QPushButton(u"Refresh + Clear")
hbox.addWidget(self.refreshAndClearButton)
vbox = QVBoxLayout()
vbox.addLayout(hbox,0)
self.preview = QWebView(self)
# save a shortcut reference to web page and its history
self.webPage = self.preview.page()
self.history = self.preview.page().history()
vbox.addWidget(self.preview,1)
self.setLayout(vbox)
# make the web preview uneditable
self.webPage.setContentEditable(False)
self.settings = self.preview.settings()
# Find out the nearest font to Palatino
qf = QFont()
qf.setStyleStrategy(QFont.PreferAntialias+QFont.PreferMatch)
qf.setStyleHint(QFont.Serif)
qf.setFamily(QString(u'Palatino'))
qfi = QFontInfo(qf)
# set the default font to that serif font
self.settings.setFontFamily(QWebSettings.StandardFont, qfi.family())
self.settings.setFontSize(QWebSettings.DefaultFontSize, 16)
self.settings.setFontSize(QWebSettings.MinimumFontSize, 6)
self.settings.setFontSize(QWebSettings.MinimumLogicalFontSize, 6)
self.zoomFactor = 1.0
# Disable everything but bog-standard html, appropriate for PP
self.settings.setAttribute(QWebSettings.JavascriptEnabled, False)
self.settings.setAttribute(QWebSettings.JavaEnabled, False)
self.settings.setAttribute(QWebSettings.PluginsEnabled, False)
self.settings.setAttribute(QWebSettings.ZoomTextOnly, False)
# the following causes a hard error in linux
#self.settings.setAttribute(QWebSettings.SiteSpecificQuirksEnabled, False)
# hook up the refresh buttons
self.connect(self.refreshButton, SIGNAL("clicked()"),self.refresh1Click)
self.connect(self.refreshAndClearButton, SIGNAL("clicked()"),self.refresh2Click)
# hook up the load status signals
self.connect(self.preview,SIGNAL("loadStarted()"),self.loadStarts )
self.connect(self.preview,SIGNAL("loadProgress(int)"),self.loadProgresses )
self.connect(self.preview,SIGNAL("loadFinished(bool)"),self.loadEnds )
# here we store the scroll position to return to after reloading
self.scrollPosition = QPoint(0,0)
# here save the user's find text for ctl-g use
self.findText = QString()
# here store the base URL for the current book.
self.baseURL = QUrl()
def fontHasChar(fontFamily, char):
if not hasFontAvailability():
return False
from PyQt4.QtGui import QFont, QFontMetrics
from PyQt4.QtCore import QString
global _currentFontFamily
global _currentFontMetrics
if not _currentFontFamily or _currentFontFamily != fontFamily:
_currentFontFamily = fontFamily
font = QFont(fontFamily)
oldStrategy = font.styleStrategy()
font.setStyleStrategy(oldStrategy and QFont.NoFontMerging)
_currentFontMetrics = QFontMetrics(font)
return _currentFontMetrics.inFont(QString(char).at(0))
def __init__(self, parent=None ):
super(helpDisplay, self).__init__(parent)
# make page unmodifiable
self.page().setContentEditable(False)
# initialize settings
# Find out the nearest font to Palatino
qf = QFont()
qf.setStyleStrategy(QFont.PreferAntialias+QFont.PreferMatch)
qf.setStyleHint(QFont.Serif)
qf.setFamily(QString(u'Palatino'))
qfi = QFontInfo(qf)
# set the default font to that serif font
self.settings().setFontFamily(QWebSettings.StandardFont, qfi.family())
self.settings().setFontSize(QWebSettings.DefaultFontSize, 16)
self.settings().setFontSize(QWebSettings.MinimumFontSize, 6)
self.settings().setFontSize(QWebSettings.MinimumLogicalFontSize, 6)
self.textZoomFactor = 1.0
self.setTextSizeMultiplier(self.textZoomFactor)
self.settings().setAttribute(QWebSettings.JavascriptEnabled, False)
self.settings().setAttribute(QWebSettings.JavaEnabled, False)
self.settings().setAttribute(QWebSettings.PluginsEnabled, False)
self.settings().setAttribute(QWebSettings.ZoomTextOnly, True)
#self.settings().setAttribute(QWebSettings.SiteSpecificQuirksEnabled, False)
self.userFindText = QString()
# Look for pqHelp.html in the app folder and copy its text into
# a local buffer. If it isn't found, put a message there instead.
# We need to keep it in order to implement the "back" function.
helpPath = os.path.join(IMC.appBasePath,u'pqHelp.html')
helpFile = QFile(helpPath)
if not helpFile.exists():
self.HTMLstring = QString('''<p>Unable to locate pqHelp.html.</p>
<p>Looking in {0}'''.format(helpPath)
)
elif not helpFile.open(QIODevice.ReadOnly) :
self.HTMLstring = QString('''<p>Unable to open pqHelp.html.</p>
<p>Looking in {0}</p><p>Error code {1}</p>'''.format(helpPath,
helpFile.error())
)
else:
helpStream = QTextStream(helpFile)
helpStream.setCodec('ISO8859-1')
self.HTMLstring = helpStream.readAll()
self.setHtml(self.HTMLstring)
def __init__(self, parent=None):
super(helpDisplay, self).__init__(parent)
# make page unmodifiable
self.page().setContentEditable(False)
# initialize settings
# Find out the nearest font to Palatino
qf = QFont()
qf.setStyleStrategy(QFont.PreferAntialias + QFont.PreferMatch)
qf.setStyleHint(QFont.Serif)
qf.setFamily(QString(u'Palatino'))
qfi = QFontInfo(qf)
# set the default font to that serif font
self.settings().setFontFamily(QWebSettings.StandardFont, qfi.family())
self.settings().setFontSize(QWebSettings.DefaultFontSize, 16)
self.settings().setFontSize(QWebSettings.MinimumFontSize, 6)
self.settings().setFontSize(QWebSettings.MinimumLogicalFontSize, 6)
self.textZoomFactor = 1.0
self.setTextSizeMultiplier(self.textZoomFactor)
self.settings().setAttribute(QWebSettings.JavascriptEnabled, False)
self.settings().setAttribute(QWebSettings.JavaEnabled, False)
self.settings().setAttribute(QWebSettings.PluginsEnabled, False)
self.settings().setAttribute(QWebSettings.ZoomTextOnly, True)
#self.settings().setAttribute(QWebSettings.SiteSpecificQuirksEnabled, False)
self.userFindText = QString()
# Look for pqHelp.html in the app folder and copy its text into
# a local buffer. If it isn't found, put a message there instead.
# We need to keep it in order to implement the "back" function.
helpPath = os.path.join(IMC.appBasePath, u'pqHelp.html')
helpFile = QFile(helpPath)
if not helpFile.exists():
self.HTMLstring = QString('''<p>Unable to locate pqHelp.html.</p>
<p>Looking in {0}'''.format(helpPath))
elif not helpFile.open(QIODevice.ReadOnly):
self.HTMLstring = QString('''<p>Unable to open pqHelp.html.</p>
<p>Looking in {0}</p><p>Error code {1}</p>'''.format(
helpPath, helpFile.error()))
else:
helpStream = QTextStream(helpFile)
helpStream.setCodec('ISO8859-1')
self.HTMLstring = helpStream.readAll()
self.setHtml(self.HTMLstring)
