def qute_help(win_id, request):
"""Handler for qute:help. Return HTML content as bytes."""
try:
utils.read_file('html/doc/index.html')
except FileNotFoundError:
html = jinja.env.get_template('error.html').render(
title="Error while loading documentation",
url=request.url().toDisplayString(),
error="This most likely means the documentation was not generated "
"properly. If you are running qutebrowser from the git "
"repository, please run scripts/asciidoc2html.py."
"If you're running a released version this is a bug, please "
"use :report to report it.",
icon='')
return html.encode('UTF-8', errors='xmlcharrefreplace')
urlpath = request.url().path()
if not urlpath or urlpath == '/':
urlpath = 'index.html'
else:
urlpath = urlpath.lstrip('/')
if not docutils.docs_up_to_date(urlpath):
message.error(win_id, "Your documentation is outdated! Please re-run "
"scripts/asciidoc2html.py.")
path = 'html/doc/{}'.format(urlpath)
return utils.read_file(path).encode('UTF-8', errors='xmlcharrefreplace')
def qute_help(url):
"""Handler for qute:help."""
try:
utils.read_file('html/doc/index.html')
except OSError:
html = jinja.render(
'error.html',
title="Error while loading documentation",
url=url.toDisplayString(),
error="This most likely means the documentation was not generated "
"properly. If you are running qutebrowser from the git "
"repository, please run scripts/asciidoc2html.py. "
"If you're running a released version this is a bug, please "
"use :report to report it.",
icon='',
qutescheme=True)
return 'text/html', html
urlpath = url.path()
if not urlpath or urlpath == '/':
urlpath = 'index.html'
else:
urlpath = urlpath.lstrip('/')
if not docutils.docs_up_to_date(urlpath):
message.error("Your documentation is outdated! Please re-run "
"scripts/asciidoc2html.py.")
path = 'html/doc/{}'.format(urlpath)
if urlpath.endswith('.png'):
return 'image/png', utils.read_file(path, binary=True)
else:
data = utils.read_file(path)
return 'text/html', data
def qute_help(win_id, request):
"""Handler for qute:help. Return HTML content as bytes."""
try:
utils.read_file('html/doc/index.html')
except FileNotFoundError:
html = jinja.env.get_template('error.html').render(
title="Error while loading documentation",
url=request.url().toDisplayString(),
error="This most likely means the documentation was not generated "
"properly. If you are running qutebrowser from the git "
"repository, please run scripts/asciidoc2html.py."
"If you're running a released version this is a bug, please "
"use :report to report it.",
icon='')
return html.encode('UTF-8', errors='xmlcharrefreplace')
urlpath = request.url().path()
if not urlpath or urlpath == '/':
urlpath = 'index.html'
else:
urlpath = urlpath.lstrip('/')
if not docutils.docs_up_to_date(urlpath):
message.error(
win_id, "Your documentation is outdated! Please re-run "
"scripts/asciidoc2html.py.")
path = 'html/doc/{}'.format(urlpath)
return utils.read_file(path).encode('UTF-8', errors='xmlcharrefreplace')
def qute_help(url):
"""Handler for qute:help."""
try:
utils.read_file('html/doc/index.html')
except OSError:
html = jinja.render(
'error.html',
title="Error while loading documentation",
url=url.toDisplayString(),
error="This most likely means the documentation was not generated "
"properly. If you are running qutebrowser from the git "
"repository, please run scripts/asciidoc2html.py. "
"If you're running a released version this is a bug, please "
"use :report to report it.",
icon='',
qutescheme=True)
return 'text/html', html
urlpath = url.path()
if not urlpath or urlpath == '/':
urlpath = 'index.html'
else:
urlpath = urlpath.lstrip('/')
if not docutils.docs_up_to_date(urlpath):
message.error("Your documentation is outdated! Please re-run "
"scripts/asciidoc2html.py.")
path = 'html/doc/{}'.format(urlpath)
if urlpath.endswith('.png'):
return 'image/png', utils.read_file(path, binary=True)
else:
data = utils.read_file(path)
return 'text/html', data
def qute_help(url):
"""Handler for qute://help."""
urlpath = url.path()
if not urlpath or urlpath == '/':
urlpath = 'index.html'
else:
urlpath = urlpath.lstrip('/')
if not docutils.docs_up_to_date(urlpath):
message.error("Your documentation is outdated! Please re-run "
"scripts/asciidoc2html.py.")
path = 'html/doc/{}'.format(urlpath)
if not urlpath.endswith('.html'):
try:
bdata = utils.read_file(path, binary=True)
except OSError as e:
raise QuteSchemeOSError(e)
mimetype, _encoding = mimetypes.guess_type(urlpath)
assert mimetype is not None, url
return mimetype, bdata
try:
data = utils.read_file(path)
except OSError:
# No .html around, let's see if we find the asciidoc
asciidoc_path = path.replace('.html', '.asciidoc')
if asciidoc_path.startswith('html/doc/'):
asciidoc_path = asciidoc_path.replace('html/doc/', '../doc/help/')
try:
asciidoc = utils.read_file(asciidoc_path)
except OSError:
asciidoc = None
if asciidoc is None:
raise
preamble = textwrap.dedent("""
There was an error loading the documentation!
This most likely means the documentation was not generated
properly. If you are running qutebrowser from the git repository,
please (re)run scripts/asciidoc2html.py and reload this page.
If you're running a released version this is a bug, please use
:report to report it.
Falling back to the plaintext version.
---------------------------------------------------------------
""")
return 'text/plain', (preamble + asciidoc).encode('utf-8')
else:
return 'text/html', data
def qute_help(url):
"""Handler for qute://help."""
urlpath = url.path()
if not urlpath or urlpath == '/':
urlpath = 'index.html'
else:
urlpath = urlpath.lstrip('/')
if not docutils.docs_up_to_date(urlpath):
message.error("Your documentation is outdated! Please re-run "
"scripts/asciidoc2html.py.")
path = 'html/doc/{}'.format(urlpath)
if not urlpath.endswith('.html'):
try:
bdata = utils.read_file(path, binary=True)
except OSError as e:
raise QuteSchemeOSError(e)
mimetype, _encoding = mimetypes.guess_type(urlpath)
assert mimetype is not None, url
return mimetype, bdata
try:
data = utils.read_file(path)
except OSError:
# No .html around, let's see if we find the asciidoc
asciidoc_path = path.replace('.html', '.asciidoc')
if asciidoc_path.startswith('html/doc/'):
asciidoc_path = asciidoc_path.replace('html/doc/', '../doc/help/')
try:
asciidoc = utils.read_file(asciidoc_path)
except OSError:
asciidoc = None
if asciidoc is None:
raise
preamble = textwrap.dedent("""
There was an error loading the documentation!
This most likely means the documentation was not generated
properly. If you are running qutebrowser from the git repository,
please (re)run scripts/asciidoc2html.py and reload this page.
If you're running a released version this is a bug, please use
:report to report it.
Falling back to the plaintext version.
---------------------------------------------------------------
""")
return 'text/plain', (preamble + asciidoc).encode('utf-8')
else:
return 'text/html', data
def _init_js(self):
"""Initialize global qutebrowser JavaScript."""
js_code = javascript.wrap_global(
'scripts',
utils.read_file('javascript/scroll.js'),
utils.read_file('javascript/webelem.js'),
utils.read_file('javascript/caret.js'),
)
# FIXME:qtwebengine what about subframes=True?
self._inject_early_js('js', js_code, subframes=True)
self._init_stylesheet()
greasemonkey = objreg.get('greasemonkey')
greasemonkey.scripts_reloaded.connect(self._inject_userscripts)
self._inject_userscripts()
def _init_js(self):
js_code = '\n'.join([
'"use strict";',
'window._qutebrowser = {};',
utils.read_file('javascript/scroll.js'),
utils.read_file('javascript/webelem.js'),
])
script = QWebEngineScript()
script.setInjectionPoint(QWebEngineScript.DocumentCreation)
script.setSourceCode(js_code)
page = self._widget.page()
script.setWorldId(QWebEngineScript.ApplicationWorld)
# FIXME:qtwebengine what about runsOnSubFrames?
page.scripts().insert(script)
def on_mode_entered(self, mode):
"""Ignore attempts to focus the widget if in any status-input mode."""
if mode in (usertypes.KeyMode.command, usertypes.KeyMode.prompt,
usertypes.KeyMode.yesno):
log.webview.debug("Ignoring focus because mode {} was "
"entered.".format(mode))
self.setFocusPolicy(Qt.NoFocus)
elif mode == usertypes.KeyMode.caret:
settings = self.settings()
settings.setAttribute(QWebSettings.CaretBrowsingEnabled, True)
self.selection_enabled = bool(self.page().selectedText())
if self.isVisible():
# Sometimes the caret isn't immediately visible, but unfocusing
# and refocusing it fixes that.
self.clearFocus()
self.setFocus(Qt.OtherFocusReason)
# Move the caret to the first element in the viewport if there
# isn't any text which is already selected.
#
# Note: We can't use hasSelection() here, as that's always
# true in caret mode.
if not self.page().selectedText():
self.page().currentFrame().evaluateJavaScript(
utils.read_file('javascript/position_caret.js'))
def _init_stylesheet(profile):
"""Initialize custom stylesheets.
Partially inspired by QupZilla:
https://github.com/QupZilla/qupzilla/blob/v2.0/src/lib/app/mainapplication.cpp#L1063-L1101
"""
old_script = profile.scripts().findScript('_qute_stylesheet')
if not old_script.isNull():
profile.scripts().remove(old_script)
css = shared.get_user_stylesheet()
source = '\n'.join([
'"use strict";',
'window._qutebrowser = window._qutebrowser || {};',
utils.read_file('javascript/stylesheet.js'),
javascript.assemble('stylesheet', 'set_css', css),
])
script = QWebEngineScript()
script.setName('_qute_stylesheet')
script.setInjectionPoint(QWebEngineScript.DocumentCreation)
script.setWorldId(QWebEngineScript.ApplicationWorld)
script.setRunsOnSubFrames(True)
script.setSourceCode(source)
profile.scripts().insert(script)
def get_pdfjs_res_and_path(path):
"""Get a pdf.js resource in binary format.
Returns a (content, path) tuple, where content is the file content and path
is the path where the file was found. If path is None, the bundled version
was used.
Args:
path: The path inside the pdfjs directory.
"""
path = path.lstrip('/')
content = None
file_path = None
# First try a system wide installation
# System installations might strip off the 'build/' or 'web/' prefixes.
# qute expects them, so we need to adjust for it.
names_to_try = [path, _remove_prefix(path)]
for system_path in SYSTEM_PDFJS_PATHS:
content, file_path = _read_from_system(system_path, names_to_try)
if content is not None:
break
# Fallback to bundled pdf.js
if content is None:
res_path = '3rdparty/pdfjs/{}'.format(path)
try:
content = utils.read_file(res_path, binary=True)
except FileNotFoundError:
raise PDFJSNotFound(path) from None
return content, file_path
def __init__(self, pac_str):
"""Create a PAC resolver.
Args:
pac_str: JavaScript code containing PAC resolver.
"""
self._engine = QJSEngine()
self._engine.installExtensions(QJSEngine.ConsoleExtension)
self._ctx = _PACContext(self._engine)
self._engine.globalObject().setProperty(
"PAC", self._engine.newQObject(self._ctx))
self._evaluate(_PACContext.JS_DEFINITIONS, "pac_js_definitions")
self._evaluate(utils.read_file("javascript/pac_utils.js"), "pac_utils")
proxy_config = self._engine.newObject()
proxy_config.setProperty("bindings", self._engine.newObject())
self._engine.globalObject().setProperty("ProxyConfig", proxy_config)
self._evaluate(pac_str, "pac")
global_js_object = self._engine.globalObject()
self._resolver = global_js_object.property("FindProxyForURL")
if not self._resolver.isCallable():
err = "Cannot resolve FindProxyForURL function, got '{}' instead"
raise EvalProxyError(err.format(self._resolver.toString()))
def __init__(self, pac_str):
"""Create a PAC resolver.
Args:
pac_str: JavaScript code containing PAC resolver.
"""
self._engine = QJSEngine()
self._engine.installExtensions(QJSEngine.ConsoleExtension)
self._ctx = _PACContext(self._engine)
self._engine.globalObject().setProperty(
"PAC", self._engine.newQObject(self._ctx))
self._evaluate(_PACContext.JS_DEFINITIONS, "pac_js_definitions")
self._evaluate(utils.read_file("javascript/pac_utils.js"), "pac_utils")
proxy_config = self._engine.newObject()
proxy_config.setProperty("bindings", self._engine.newObject())
self._engine.globalObject().setProperty("ProxyConfig", proxy_config)
self._evaluate(pac_str, "pac")
global_js_object = self._engine.globalObject()
self._resolver = global_js_object.property("FindProxyForURL")
if not self._resolver.isCallable():
err = "Cannot resolve FindProxyForURL function, got '{}' instead"
raise EvalProxyError(err.format(self._resolver.toString()))
def _on_mode_entered(self, mode):
if mode != usertypes.KeyMode.caret:
return
if self._widget.hasSelection():
self._selection_state = browsertab.SelectionState.normal
else:
self._selection_state = browsertab.SelectionState.none
self.selection_toggled.emit(self._selection_state)
settings = self._widget.settings()
settings.setAttribute(QWebSettings.CaretBrowsingEnabled, True)
if self._widget.isVisible():
# Sometimes the caret isn't immediately visible, but unfocusing
# and refocusing it fixes that.
self._widget.clearFocus()
self._widget.setFocus(Qt.OtherFocusReason)
# Move the caret to the first element in the viewport if there
# isn't any text which is already selected.
#
# Note: We can't use hasSelection() here, as that's always
# true in caret mode.
if self._selection_state is browsertab.SelectionState.none:
self._widget.page().currentFrame().evaluateJavaScript(
utils.read_file('javascript/position_caret.js'))
def _init_stylesheet(profile):
"""Initialize custom stylesheets.
Partially inspired by QupZilla:
https://github.com/QupZilla/qupzilla/blob/v2.0/src/lib/app/mainapplication.cpp#L1063-L1101
"""
old_script = profile.scripts().findScript('_qute_stylesheet')
if not old_script.isNull():
profile.scripts().remove(old_script)
css = shared.get_user_stylesheet()
source = '\n'.join([
'"use strict";',
'window._qutebrowser = window._qutebrowser || {};',
utils.read_file('javascript/stylesheet.js'),
javascript.assemble('stylesheet', 'set_css', css),
])
script = QWebEngineScript()
script.setName('_qute_stylesheet')
script.setInjectionPoint(QWebEngineScript.DocumentCreation)
script.setWorldId(QWebEngineScript.ApplicationWorld)
script.setRunsOnSubFrames(True)
script.setSourceCode(source)
profile.scripts().insert(script)
def get_pdfjs_res(path):
"""Get a pdf.js resource in binary format.
Args:
path: The path inside the pdfjs directory.
"""
path = path.lstrip('/')
content = None
# First try a system wide installation
# System installations might strip off the 'build/' or 'web/' prefixes.
# qute expects them, so we need to adjust for it.
names_to_try = [path, _remove_prefix(path)]
for system_path in SYSTEM_PDFJS_PATHS:
content = _read_from_system(system_path, names_to_try)
if content is not None:
break
# Fallback to bundled pdf.js
if content is None:
res_path = '3rdparty/pdfjs/{}'.format(path)
try:
content = utils.read_file(res_path, binary=True)
except FileNotFoundError:
raise PDFJSNotFound
try:
# Might be script/html or might be binary
text_content = content.decode('utf-8')
except UnicodeDecodeError:
return content
text_content = fix_urls(text_content)
return text_content.encode('utf-8')
def _init_js(self):
js_code = '\n'.join([
'"use strict";',
'window._qutebrowser = {};',
utils.read_file('javascript/scroll.js'),
utils.read_file('javascript/webelem.js'),
])
script = QWebEngineScript()
script.setInjectionPoint(QWebEngineScript.DocumentCreation)
script.setSourceCode(js_code)
page = self._widget.page()
script.setWorldId(QWebEngineScript.ApplicationWorld)
# FIXME:qtwebengine what about runsOnSubFrames?
page.scripts().insert(script)
def _data_url(self, path):
"""Get a data: url for the broken qutebrowser logo."""
data = utils.read_file(path, binary=True)
filename = utils.resource_filename(path)
mimetype = mimetypes.guess_type(filename)
assert mimetype is not None, path
return urlutils.data_url(mimetype[0], data).toString()
def _asciidoc_fallback_path(html_path: str) -> Optional[str]:
"""Fall back to plaintext asciidoc if the HTML is unavailable."""
path = html_path.replace('.html', '.asciidoc')
try:
return utils.read_file(path)
except OSError:
return None
def _asciidoc_fallback_path(html_path):
"""Fall back to plaintext asciidoc if the HTML is unavailable."""
path = html_path.replace('.html', '.asciidoc')
try:
return utils.read_file(path)
except OSError:
return None
def get_pdfjs_res(path):
"""Get a pdf.js resource in binary format.
Args:
path: The path inside the pdfjs directory.
"""
path = path.lstrip('/')
content = None
# First try a system wide installation
# System installations might strip off the 'build/' or 'web/' prefixes.
# qute expects them, so we need to adjust for it.
names_to_try = [path, _remove_prefix(path)]
for system_path in SYSTEM_PDFJS_PATHS:
content = _read_from_system(system_path, names_to_try)
if content is not None:
break
# Fallback to bundled pdf.js
if content is None:
res_path = '3rdparty/pdfjs/{}'.format(path)
try:
content = utils.read_file(res_path, binary=True)
except FileNotFoundError:
raise PDFJSNotFound
try:
# Might be script/html or might be binary
text_content = content.decode('utf-8')
except UnicodeDecodeError:
return content
text_content = fix_urls(text_content)
return text_content.encode('utf-8')
def to_perc(self, x=None, y=None):
js_code = """
{scroll_js}
scroll_to_perc({x}, {y});
""".format(scroll_js=utils.read_file('javascript/scroll.js'),
x='undefined' if x is None else x,
y='undefined' if y is None else y)
self._tab.run_js_async(js_code)
def data_url(path):
"""Get a data: url for the broken qutebrowser logo."""
data = utils.read_file(path, binary=True)
filename = utils.resource_filename(path)
mimetype = mimetypes.guess_type(filename)
assert mimetype is not None, path
b64 = base64.b64encode(data).decode('ascii')
return 'data:{};charset=utf-8;base64,{}'.format(mimetype[0], b64)
def assemble(name, function, *args):
"""Assemble a javascript file and a function call."""
code = "{code}\n_qutebrowser_{function}({args});".format(
code=utils.read_file('javascript/{}.js'.format(name)),
function=function,
args=', '.join(_convert_js_arg(arg) for arg in args),
)
return code
def get_source(self, _env, template):
path = os.path.join(self._subdir, template)
try:
source = utils.read_file(path)
except OSError:
raise jinja2.TemplateNotFound(template)
# Currently we don't implement auto-reloading, so we always return True
# for up-to-date.
return source, path, lambda: True
def render(template, **kwargs):
"""Render the given template and pass the given arguments to it."""
try:
return _env.get_template(template).render(**kwargs)
except jinja2.exceptions.UndefinedError:
log.misc.exception("UndefinedError while rendering " + template)
err_path = os.path.join('html', 'undef_error.html')
err_template = utils.read_file(err_path)
tb = traceback.format_exc()
return err_template.format(pagename=template, traceback=tb)
def _init_js(self):
js_code = '\n'.join([
'"use strict";',
'window._qutebrowser = window._qutebrowser || {};',
utils.read_file('javascript/scroll.js'),
utils.read_file('javascript/webelem.js'),
utils.read_file('javascript/caret.js'),
])
script = QWebEngineScript()
# We can't use DocumentCreation here as WORKAROUND for
# https://bugreports.qt.io/browse/QTBUG-66011
script.setInjectionPoint(QWebEngineScript.DocumentReady)
script.setSourceCode(js_code)
page = self._widget.page()
script.setWorldId(QWebEngineScript.ApplicationWorld)
# FIXME:qtwebengine what about runsOnSubFrames?
page.scripts().insert(script)
def run_file(self, filename: str, expected=None) -> None:
"""Run a javascript file.
Args:
filename: The javascript filename, relative to
qutebrowser/javascript.
expected: The value expected return from the javascript execution
"""
source = utils.read_file(os.path.join('javascript', filename))
self.run(source, expected)
def _init_js(self):
js_code = '\n'.join([
'"use strict";',
'window._qutebrowser = window._qutebrowser || {};',
utils.read_file('javascript/scroll.js'),
utils.read_file('javascript/webelem.js'),
utils.read_file('javascript/caret.js'),
])
script = QWebEngineScript()
# We can't use DocumentCreation here as WORKAROUND for
# https://bugreports.qt.io/browse/QTBUG-66011
script.setInjectionPoint(QWebEngineScript.DocumentReady)
script.setSourceCode(js_code)
page = self._widget.page()
script.setWorldId(QWebEngineScript.ApplicationWorld)
# FIXME:qtwebengine what about runsOnSubFrames?
page.scripts().insert(script)
def run_file(self, filename: str, expected=None) -> None:
"""Run a javascript file.
Args:
filename: The javascript filename, relative to
qutebrowser/javascript.
expected: The value expected return from the javascript execution
"""
source = utils.read_file(os.path.join('javascript', filename))
self.run(source, expected)
def qute_javascript(url):
"""Handler for qute://javascript.
Return content of file given as query parameter.
"""
path = url.path()
if path:
path = "javascript" + os.sep.join(path.split('/'))
return 'text/html', utils.read_file(path, binary=False)
else:
raise UrlInvalidError("No file specified")
def qute_javascript(url):
"""Handler for qute://javascript.
Return content of file given as query parameter.
"""
path = url.path()
if path:
path = "javascript" + os.sep.join(path.split('/'))
return 'text/html', utils.read_file(path, binary=False)
else:
raise UrlInvalidError("No file specified")
def get_source(self, _env, template):
path = os.path.join(self._subdir, template)
try:
source = utils.read_file(path)
except OSError as e:
source = html_fallback.replace("%ERROR%", html.escape(str(e)))
source = source.replace("%FILE%", html.escape(template))
log.misc.exception("The {} template could not be loaded from {}"
.format(template, path))
# Currently we don't implement auto-reloading, so we always return True
# for up-to-date.
return source, path, lambda: True
def run_file(self, filename):
"""Run a javascript file.
Args:
filename: The javascript filename, relative to
qutebrowser/javascript.
Return:
The javascript return value.
"""
source = utils.read_file(os.path.join('javascript', filename))
return self.run(source)
def run_file(self, filename):
"""Run a javascript file.
Args:
filename: The javascript filename, relative to
qutebrowser/javascript.
Return:
The javascript return value.
"""
source = utils.read_file(os.path.join('javascript', filename))
return self.run(source)
def get_pdfjs_res_and_path(path):
"""Get a pdf.js resource in binary format.
Returns a (content, path) tuple, where content is the file content and path
is the path where the file was found. If path is None, the bundled version
was used.
Args:
path: The path inside the pdfjs directory.
"""
path = path.lstrip('/')
content = None
file_path = None
system_paths = [
# Debian pdf.js-common
# Arch Linux pdfjs (AUR)
'/usr/share/pdf.js/',
# Flatpak (Flathub)
'/app/share/pdf.js/',
# Arch Linux pdf.js (AUR)
'/usr/share/javascript/pdf.js/',
# Debian libjs-pdf
'/usr/share/javascript/pdf/',
# fallback to bundled pdf.js on windows
## os.path.join(os.getcwd(), '3rdparty', 'pdfjs'),
# fallback
os.path.join(standarddir.data(), 'pdfjs'),
# hardcoded fallback for --temp-basedir
os.path.expanduser('~/.local/share/qutebrowser/pdfjs/'),
]
# First try a system wide installation
# System installations might strip off the 'build/' or 'web/' prefixes.
# qute expects them, so we need to adjust for it.
names_to_try = [path, _remove_prefix(path)]
for system_path in system_paths:
content, file_path = _read_from_system(system_path, names_to_try)
if content is not None:
break
# Fallback to bundled pdf.js
if content is None:
res_path = '3rdparty/pdfjs/{}'.format(path)
try:
content = utils.read_file(file_path, binary=True)
except FileNotFoundError:
raise PDFJSNotFound(path) from None
except OSError as e:
log.misc.warning("OSError while reading PDF.js file: {}".format(e))
raise PDFJSNotFound(path) from None
return content, file_path
def _init_js(self):
js_code = '\n'.join([
'"use strict";',
'window._qutebrowser = {};',
utils.read_file('javascript/scroll.js'),
utils.read_file('javascript/webelem.js'),
])
script = QWebEngineScript()
script.setInjectionPoint(QWebEngineScript.DocumentCreation)
page = self._widget.page()
script.setSourceCode(js_code)
try:
page.runJavaScript("", QWebEngineScript.ApplicationWorld)
except TypeError:
# We're unable to pass a world to runJavaScript
script.setWorldId(QWebEngineScript.MainWorld)
else:
script.setWorldId(QWebEngineScript.ApplicationWorld)
# FIXME:qtwebengine what about runsOnSubFrames?
page.scripts().insert(script)
def _init_js(self):
js_code = '\n'.join([
'"use strict";',
'window._qutebrowser = {};',
utils.read_file('javascript/scroll.js'),
utils.read_file('javascript/webelem.js'),
])
script = QWebEngineScript()
script.setInjectionPoint(QWebEngineScript.DocumentCreation)
page = self._widget.page()
script.setSourceCode(js_code)
try:
page.runJavaScript("", QWebEngineScript.ApplicationWorld)
except TypeError:
# We're unable to pass a world to runJavaScript
script.setWorldId(QWebEngineScript.MainWorld)
else:
script.setWorldId(QWebEngineScript.ApplicationWorld)
# FIXME:qtwebengine what about runsOnSubFrames?
page.scripts().insert(script)
def _on_scroll_pos_changed(self):
"""Update the scroll position attributes when it changed."""
def update_scroll_pos(jsret):
"""Callback after getting scroll position via JS."""
assert isinstance(jsret, dict)
self._pos_perc = (jsret['perc']['x'], jsret['perc']['y'])
self._pos_px = QPoint(jsret['px']['x'], jsret['px']['y'])
self.perc_changed.emit(*self._pos_perc)
js_code = """
{scroll_js}
scroll_pos();
""".format(scroll_js=utils.read_file('javascript/scroll.js'))
self._tab.run_js_async(js_code, update_scroll_pos)
def _init_stylesheet(self):
"""Initialize custom stylesheets.
Partially inspired by QupZilla:
https://github.com/QupZilla/qupzilla/blob/v2.0/src/lib/app/mainapplication.cpp#L1063-L1101
"""
self._remove_early_js('stylesheet')
css = shared.get_user_stylesheet()
js_code = javascript.wrap_global(
'stylesheet',
utils.read_file('javascript/stylesheet.js'),
javascript.assemble('stylesheet', 'set_css', css),
)
self._inject_early_js('stylesheet', js_code, subframes=True)
def get_pdfjs_res_and_path(path):
"""Get a pdf.js resource in binary format.
Returns a (content, path) tuple, where content is the file content and path
is the path where the file was found. If path is None, the bundled version
was used.
Args:
path: The path inside the pdfjs directory.
"""
path = path.lstrip('/')
content = None
file_path = None
system_paths = [
# Debian pdf.js-common
# Arch Linux pdfjs (AUR)
'/usr/share/pdf.js/',
# Arch Linux pdf.js (AUR)
'/usr/share/javascript/pdf.js/',
# Debian libjs-pdf
'/usr/share/javascript/pdf/',
# fallback
os.path.join(standarddir.data(), 'pdfjs'),
# hardcoded fallback for --temp-basedir
os.path.expanduser('~/.local/share/qutebrowser/pdfjs/'),
]
# First try a system wide installation
# System installations might strip off the 'build/' or 'web/' prefixes.
# qute expects them, so we need to adjust for it.
names_to_try = [path, _remove_prefix(path)]
for system_path in system_paths:
content, file_path = _read_from_system(system_path, names_to_try)
if content is not None:
break
# Fallback to bundled pdf.js
if content is None:
res_path = '3rdparty/pdfjs/{}'.format(path)
try:
content = utils.read_file(res_path, binary=True)
except FileNotFoundError:
raise PDFJSNotFound(path) from None
except OSError as e:
log.misc.warning("OSError while reading PDF.js file: {}".format(e))
raise PDFJSNotFound(path) from None
return content, file_path
def _asciidoc_fallback_path(html_path):
"""Fall back to plaintext asciidoc if the HTML is unavailable."""
asciidoc_path = html_path.replace('.html', '.asciidoc')
asciidoc_paths = [asciidoc_path]
if asciidoc_path.startswith('html/doc/'):
asciidoc_paths += [asciidoc_path.replace('html/doc/', '../doc/help/'),
asciidoc_path.replace('html/doc/', '../doc/')]
for path in asciidoc_paths:
try:
return utils.read_file(path)
except OSError:
pass
return None
def qute_help(url: QUrl) -> _HandlerRet:
"""Handler for qute://help."""
urlpath = url.path()
if not urlpath or urlpath == '/':
urlpath = 'index.html'
else:
urlpath = urlpath.lstrip('/')
if not docutils.docs_up_to_date(urlpath):
message.error("Your documentation is outdated! Please re-run "
"scripts/asciidoc2html.py.")
path = 'html/doc/{}'.format(urlpath)
if not urlpath.endswith('.html'):
try:
bdata = utils.read_file_binary(path)
except OSError as e:
raise SchemeOSError(e)
mimetype = utils.guess_mimetype(urlpath)
return mimetype, bdata
try:
data = utils.read_file(path)
except OSError:
asciidoc = _asciidoc_fallback_path(path)
if asciidoc is None:
raise
preamble = textwrap.dedent("""
There was an error loading the documentation!
This most likely means the documentation was not generated
properly. If you are running qutebrowser from the git repository,
please (re)run scripts/asciidoc2html.py and reload this page.
If you're running a released version this is a bug, please use
:report to report it.
Falling back to the plaintext version.
---------------------------------------------------------------
""")
return 'text/plain', (preamble + asciidoc).encode('utf-8')
else:
return 'text/html', data
def _asciidoc_fallback_path(html_path):
"""Fall back to plaintext asciidoc if the HTML is unavailable."""
asciidoc_path = html_path.replace('.html', '.asciidoc')
asciidoc_paths = [asciidoc_path]
if asciidoc_path.startswith('html/doc/'):
asciidoc_paths += [
asciidoc_path.replace('html/doc/', '../doc/help/'),
asciidoc_path.replace('html/doc/', '../doc/')
]
for path in asciidoc_paths:
try:
return utils.read_file(path)
except OSError:
pass
return None
def on_mode_entered(self, mode):
"""Ignore attempts to focus the widget if in any status-input mode."""
if mode in (usertypes.KeyMode.command, usertypes.KeyMode.prompt,
usertypes.KeyMode.yesno):
log.webview.debug("Ignoring focus because mode {} was "
"entered.".format(mode))
self.setFocusPolicy(Qt.NoFocus)
elif mode == usertypes.KeyMode.caret:
settings = self.settings()
settings.setAttribute(QWebSettings.CaretBrowsingEnabled, True)
self.selection_enabled = False
if self.isVisible():
# Sometimes the caret isn't immediately visible, but unfocusing
# and refocusing it fixes that.
self.clearFocus()
self.setFocus(Qt.OtherFocusReason)
self.page().currentFrame().evaluateJavaScript(
utils.read_file('javascript/position_caret.js'))
def _on_mode_entered(self, mode):
if mode != usertypes.KeyMode.caret:
return
settings = self._widget.settings()
settings.setAttribute(QWebSettings.CaretBrowsingEnabled, True)
self.selection_enabled = bool(self.selection())
if self._widget.isVisible():
# Sometimes the caret isn't immediately visible, but unfocusing
# and refocusing it fixes that.
self._widget.clearFocus()
self._widget.setFocus(Qt.OtherFocusReason)
# Move the caret to the first element in the viewport if there
# isn't any text which is already selected.
#
# Note: We can't use hasSelection() here, as that's always
# true in caret mode.
if not self.selection():
self._widget.page().currentFrame().evaluateJavaScript(utils.read_file("javascript/position_caret.js"))
def get_pdfjs_res_and_path(path):
"""Get a pdf.js resource in binary format.
Returns a (content, path) tuple, where content is the file content and path
is the path where the file was found. If path is None, the bundled version
was used.
Args:
path: The path inside the pdfjs directory.
"""
path = path.lstrip("/")
content = None
file_path = None
# First try a system wide installation
# System installations might strip off the 'build/' or 'web/' prefixes.
# qute expects them, so we need to adjust for it.
names_to_try = [path, _remove_prefix(path)]
for system_path in SYSTEM_PDFJS_PATHS:
content, file_path = _read_from_system(system_path, names_to_try)
if content is not None:
break
# Fallback to bundled pdf.js
if content is None:
res_path = "3rdparty/pdfjs/{}".format(path)
try:
content = utils.read_file(res_path, binary=True)
except FileNotFoundError:
raise PDFJSNotFound(path) from None
try:
# Might be script/html or might be binary
text_content = content.decode("utf-8")
except UnicodeDecodeError:
return (content, file_path)
text_content = fix_urls(text_content)
return (text_content.encode("utf-8"), file_path)
def _git_str():
"""Try to find out git version.
Return:
string containing the git commit ID.
None if there was an error or we're not in a git repo.
"""
# First try via subprocess if possible
commit = None
if not hasattr(sys, "frozen"):
try:
gitpath = os.path.join(os.path.dirname(os.path.realpath(__file__)), os.path.pardir, os.path.pardir)
except (NameError, OSError):
log.misc.exception("Error while getting git path")
else:
commit = _git_str_subprocess(gitpath)
if commit is not None:
return commit
# If that fails, check the git-commit-id file.
try:
return utils.read_file("git-commit-id")
except (OSError, ImportError):
return None
def _git_str():
"""Try to find out git version.
Return:
string containing the git commit ID.
None if there was an error or we're not in a git repo.
"""
# First try via subprocess if possible
commit = None
if not hasattr(sys, "frozen"):
try:
gitpath = os.path.join(os.path.dirname(os.path.realpath(__file__)),
os.path.pardir, os.path.pardir)
except (NameError, OSError):
log.misc.exception("Error while getting git path")
else:
commit = _git_str_subprocess(gitpath)
if commit is not None:
return commit
# If that fails, check the git-commit-id file.
try:
return utils.read_file('git-commit-id')
except (OSError, ImportError):
return None
def qute_gpl(_win_id, _request):
"""Handler for qute:gpl. Return HTML content as bytes."""
return utils.read_file('html/COPYING.html').encode('ASCII')
def qute_resource(url):
"""Serve resources via a qute://resource/... URL."""
data = utils.read_file(url.path(), binary=True)
mimetype, _encoding = mimetypes.guess_type(url.fileName())
assert mimetype is not None, url
return mimetype, data
def init() -> None:
"""Initialize configdata from the YAML file."""
global DATA, MIGRATIONS
DATA, MIGRATIONS = _read_yaml(utils.read_file('config/configdata.yml'))
def qute_gpl(_url):
"""Handler for qute://gpl. Return HTML content as string."""
return 'text/html', utils.read_file('html/license.html')
def init():
"""Initialize configdata from the YAML file."""
global DATA
DATA = _read_yaml(utils.read_file('config/configdata.yml'))
def qute_gpl(_url):
"""Handler for qute:gpl. Return HTML content as string."""
return 'text/html', utils.read_file('html/COPYING.html')
