anki/aqt/__init__.py
Damien Elmes a57b913450 opt in to qt's full hidpi support
doesn't seem to affect the webviews on Linux, so we need to keep the old
zoom code around for now
2017-08-10 15:02:46 +10:00

257 lines
7.7 KiB
Python

# Copyright: Damien Elmes <anki@ichi2.net>
# License: GNU AGPL, version 3 or later; http://www.gnu.org/licenses/agpl.html
from anki import version as _version
import getpass
import sys
import optparse
import tempfile
import builtins
import locale
import gettext
from aqt.qt import *
import anki.lang
from anki.consts import HELP_SITE
from anki.lang import langDir
from anki.utils import isMac, isLin
appVersion=_version
appWebsite="http://ankisrs.net/"
appChanges="http://ankisrs.net/docs/changes.html"
appDonate="http://ankisrs.net/support/"
appShared="https://ankiweb.net/shared/"
appUpdate="https://ankiweb.net/update/desktop"
appHelpSite=HELP_SITE
mw = None # set on init
moduleDir = os.path.split(os.path.dirname(os.path.abspath(__file__)))[0]
try:
import aqt.forms
except ImportError as e:
if "forms" in str(e):
print("If you're running from git, did you run build_ui.sh?")
print()
raise
from anki.utils import checksum
# Dialog manager - manages modeless windows
##########################################################################emacs
class DialogManager:
def __init__(self):
from aqt import addcards, browser, editcurrent, stats, about
self._dialogs = {
"AddCards": [addcards.AddCards, None],
"Browser": [browser.Browser, None],
"EditCurrent": [editcurrent.EditCurrent, None],
"DeckStats": [stats.DeckStats, None],
"About": [about.show, None],
}
def open(self, name, *args):
(creator, instance) = self._dialogs[name]
if instance:
instance.setWindowState(Qt.WindowNoState)
instance.activateWindow()
instance.raise_()
return instance
else:
instance = creator(*args)
self._dialogs[name][1] = instance
return instance
def close(self, name):
self._dialogs[name] = [self._dialogs[name][0], None]
def closeAll(self):
"True if all closed successfully."
for (n, (creator, instance)) in list(self._dialogs.items()):
if instance:
if not instance.canClose():
return False
instance.forceClose = True
instance.close()
self.close(n)
return True
dialogs = DialogManager()
# Language handling
##########################################################################
# Qt requires its translator to be installed before any GUI widgets are
# loaded, and we need the Qt language to match the gettext language or
# translated shortcuts will not work.
_gtrans = None
_qtrans = None
def setupLang(pm, app, force=None):
global _gtrans, _qtrans
try:
locale.setlocale(locale.LC_ALL, '')
except:
pass
lang = force or pm.meta["defaultLang"]
dir = langDir()
# gettext
_gtrans = gettext.translation(
'anki', dir, languages=[lang], fallback=True)
builtins.__dict__['_'] = _gtrans.gettext
builtins.__dict__['ngettext'] = _gtrans.ngettext
anki.lang.setLang(lang, local=False)
if lang in ("he","ar","fa"):
app.setLayoutDirection(Qt.RightToLeft)
else:
app.setLayoutDirection(Qt.LeftToRight)
# qt
_qtrans = QTranslator()
if _qtrans.load("qt_" + lang, dir):
app.installTranslator(_qtrans)
# App initialisation
##########################################################################
class AnkiApp(QApplication):
# Single instance support on Win32/Linux
##################################################
appMsg = pyqtSignal(str)
KEY = "anki"+checksum(getpass.getuser())
TMOUT = 5000
def __init__(self, argv):
QApplication.__init__(self, argv)
self._argv = argv
def secondInstance(self):
# we accept only one command line argument. if it's missing, send
# a blank screen to just raise the existing window
opts, args = parseArgs(self._argv)
buf = "raise"
if args and args[0]:
buf = os.path.abspath(args[0])
if self.sendMsg(buf):
print("Already running; reusing existing instance.")
return True
else:
# send failed, so we're the first instance or the
# previous instance died
QLocalServer.removeServer(self.KEY)
self._srv = QLocalServer(self)
self._srv.newConnection.connect(self.onRecv)
self._srv.listen(self.KEY)
return False
def sendMsg(self, txt):
sock = QLocalSocket(self)
sock.connectToServer(self.KEY, QIODevice.WriteOnly)
if not sock.waitForConnected(self.TMOUT):
# first instance or previous instance dead
return False
sock.write(txt.encode("utf8"))
if not sock.waitForBytesWritten(self.TMOUT):
# existing instance running but hung
return False
sock.disconnectFromServer()
return True
def onRecv(self):
sock = self._srv.nextPendingConnection()
if not sock.waitForReadyRead(self.TMOUT):
sys.stderr.write(sock.errorString())
return
path = bytes(sock.readAll()).decode("utf8")
self.appMsg.emit(path)
sock.disconnectFromServer()
# OS X file/url handler
##################################################
def event(self, evt):
if evt.type() == QEvent.FileOpen:
self.appMsg.emit(evt.file() or "raise")
return True
return QApplication.event(self, evt)
def parseArgs(argv):
"Returns (opts, args)."
# py2app fails to strip this in some instances, then anki dies
# as there's no such profile
if isMac and len(argv) > 1 and argv[1].startswith("-psn"):
argv = [argv[0]]
parser = optparse.OptionParser(version="%prog " + appVersion)
parser.usage = "%prog [OPTIONS] [file to import]"
parser.add_option("-b", "--base", help="path to base folder")
parser.add_option("-p", "--profile", help="profile name to load")
parser.add_option("-l", "--lang", help="interface language (en, de, etc)")
return parser.parse_args(argv[1:])
def run():
try:
_run()
except Exception as e:
QMessageBox.critical(None, "Startup Error",
"Please notify support of this error:\n\n"+
traceback.format_exc())
def _run():
global mw
# parse args
opts, args = parseArgs(sys.argv)
opts.base = opts.base or ""
opts.profile = opts.profile or ""
# work around pyqt loading wrong GL library
if isLin:
import ctypes
ctypes.CDLL('libGL.so.1', ctypes.RTLD_GLOBAL)
# opt in to full hidpi support
QCoreApplication.setAttribute(Qt.AA_EnableHighDpiScaling)
# create the app
app = AnkiApp(sys.argv)
QCoreApplication.setApplicationName("Anki")
if app.secondInstance():
# we've signaled the primary instance, so we should close
return
# disable icons on mac; this must be done before window created
if isMac:
app.setAttribute(Qt.AA_DontShowIconsInMenus)
# we must have a usable temp dir
try:
tempfile.gettempdir()
except:
QMessageBox.critical(
None, "Error", """\
No usable temporary folder found. Make sure C:\\temp exists or TEMP in your \
environment points to a valid, writable folder.""")
return
# profile manager
from aqt.profiles import ProfileManager
pm = ProfileManager(opts.base, opts.profile)
# i18n
setupLang(pm, app, opts.lang)
# remaining pm init
pm.ensureProfile()
print("This is an BETA build - please do not package it up for Linux distributions")
# load the main window
import aqt.main
mw = aqt.main.AnkiQt(app, pm, args)
app.exec_()