Make scroll bars hideable
This commit is contained in:
Florian Bruhin
parent
13a5f41f63
commit
1bfbdd79e4
1
TODO
1
TODO
@ -86,7 +86,6 @@ Improvements / minor features
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QNetworkManager.setCache() and use a QNetworkDiskCache probably
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- clear cookies command
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- keybind/aliases should have completion for commands/arguments
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- Hiding scrollbars
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- Ctrl+A/X to increase/decrease last number in URL
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- logging contexts
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- Add more element-selection-detection code (with options?) based on:
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@ -24,7 +24,7 @@ from tempfile import mkstemp
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from functools import partial
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from PyQt5.QtWidgets import QApplication
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from PyQt5.QtCore import pyqtSlot, Qt, QObject, QProcess
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from PyQt5.QtCore import pyqtSlot, Qt, QObject, QProcess, QPoint
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from PyQt5.QtGui import QClipboard
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from PyQt5.QtPrintSupport import QPrintDialog, QPrintPreviewDialog
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@ -78,10 +78,19 @@ class CurCommandDispatcher(QObject):
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perc = float(perc)
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perc = utils.check_overflow(perc, 'int', fatal=False)
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frame = self._tabs.currentWidget().page_.currentFrame()
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m = frame.scrollBarMaximum(orientation)
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if m == 0:
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return
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frame.setScrollBarValue(orientation, int(m * perc / 100))
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if orientation == Qt.Horizontal:
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right = frame.contentsSize().width()
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viewsize = frame.geometry().width()
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x = (right - viewsize) * perc / 100
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y = frame.scrollPosition().y()
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elif orientation == Qt.Vertical:
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bottom = frame.contentsSize().height()
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viewsize = frame.geometry().height()
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x = frame.scrollPosition().x()
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y = (bottom - viewsize) * perc / 100
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else:
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raise ValueError("Invalid orientation {}".format(orientation))
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frame.setScrollPosition(QPoint(x, y))
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def _prevnext(self, prev, newtab):
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"""Inner logic for {tab,}{prev,next}page."""
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@ -22,7 +22,7 @@ import shlex
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import os.path
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from sre_constants import error as RegexError
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from PyQt5.QtCore import QUrl
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from PyQt5.QtCore import Qt, QUrl
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from PyQt5.QtGui import QColor
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from PyQt5.QtNetwork import QNetworkProxy
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@ -650,6 +650,25 @@ class ZoomPerc(Perc):
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# FIXME we should validate the percentage is in the list here.
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class ScrollBarPolicy(BaseType):
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"""Base class for scroll bar policies."""
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valid_values = ValidValues(
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('as-needed', "Show a scroll bar when the content is too large."),
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('always', "Always show a scroll bar."),
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('never', "Never show a scroll bar."),
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)
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def transform(self, value):
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mapping = {
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'as-needed': Qt.ScrollBarAsNeeded,
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'always': Qt.ScrollBarAlwaysOn,
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'never': Qt.ScrollBarAlwaysOff,
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}
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return mapping[value]
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class HintMode(BaseType):
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"""Base class for the hints -> mode setting."""
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@ -197,6 +197,14 @@ DATA = OrderedDict([
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SettingValue(types.ShellCommand(placeholder=True), 'gvim -f "{}"'),
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"The editor (and arguments) to use for the open_editor binding. "
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"Use {} for the filename. Gets split via shutils."),
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('show-scroll-bar-horizontal',
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SettingValue(types.ScrollBarPolicy(), 'never'),
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"Whether to show horizontal scrollbar for web content."),
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('show-scroll-bar-vertical',
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SettingValue(types.ScrollBarPolicy(), 'never'),
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"Whether to show vertical scrollbar for web content."),
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)),
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('network', sect.KeyValue(
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@ -142,7 +142,7 @@ class TabbedBrowser(TabWidget):
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tab.loadStarted.connect(self._filter.create(self.cur_load_started))
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tab.statusBarMessage.connect(
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self._filter.create(self.cur_statusbar_message))
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tab.scroll_pos_changed.connect(
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tab.scroll_perc_changed.connect(
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self._filter.create(self.cur_scroll_perc_changed))
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tab.url_text_changed.connect(
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self._filter.create(self.cur_url_text_changed))
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@ -50,4 +50,4 @@ class Percentage(TextBase):
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def on_tab_changed(self, idx):
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"""Update scroll position when tab changed."""
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tab = self.sender().widget(idx)
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self.set_perc(*tab.scroll_pos)
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self.set_perc(*tab.scroll_perc)
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@ -54,14 +54,14 @@ class WebView(QWebView):
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We need this rather than signals to make createWindow
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work.
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progress: loading progress of this page.
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scroll_pos: The current scroll position as (x%, y%) tuple.
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scroll_perc: The current scroll position as (x%, y%) tuple.
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_url_text: The current URL as string.
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Accessed via url_text property.
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_load_status: loading status of this page (index into LoadStatus)
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Accessed via load_status property.
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_has_ssl_errors: Whether SSL errors occured during loading.
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_zoom: A NeighborList with the zoom levels.
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_old_scroll_pos: The old scroll position.
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_old_scroll_perc: The old scroll position.
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_shutdown_callback: Callback to be called after shutdown.
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_open_target: Where to open the next tab ("normal", "tab", "bgtab")
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_force_open_target: Override for _open_target.
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@ -69,7 +69,7 @@ class WebView(QWebView):
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_destroyed: Dict of all items to be destroyed on shtudown.
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Signals:
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scroll_pos_changed: Scroll percentage of current tab changed.
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scroll_perc_changed: Scroll percentage of current tab changed.
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arg 1: x-position in %.
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arg 2: y-position in %.
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linkHovered: QWebPages linkHovered signal exposed.
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@ -77,7 +77,7 @@ class WebView(QWebView):
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url_text_changed: Current URL string changed.
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"""
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scroll_pos_changed = pyqtSignal(int, int)
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scroll_perc_changed = pyqtSignal(int, int)
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linkHovered = pyqtSignal(str, str, str)
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load_status_changed = pyqtSignal(str)
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url_text_changed = pyqtSignal(str)
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@ -86,8 +86,8 @@ class WebView(QWebView):
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super().__init__(parent)
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self._load_status = LoadStatus.none
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self.tabbedbrowser = parent
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self.scroll_pos = (-1, -1)
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self._old_scroll_pos = (-1, -1)
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self.scroll_perc = (-1, -1)
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self._old_scroll_perc = (-1, -1)
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self._shutdown_callback = None
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self._open_target = Target.normal
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self._force_open_target = None
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@ -111,7 +111,10 @@ class WebView(QWebView):
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self.loadProgress.connect(lambda p: setattr(self, 'progress', p))
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self.page_.networkAccessManager().sslErrors.connect(
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lambda *args: setattr(self, '_has_ssl_errors', True))
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# FIXME find some way to hide scrollbars without setScrollBarPolicy
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self.page_.mainFrame().setScrollBarPolicy(
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Qt.Horizontal, config.get('general', 'show-scroll-bar-horizontal'))
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self.page_.mainFrame().setScrollBarPolicy(
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Qt.Vertical, config.get('general', 'show-scroll-bar-vertical'))
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def __repr__(self):
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return "WebView(url='{}')".format(
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@ -386,8 +389,17 @@ class WebView(QWebView):
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@pyqtSlot(str, str)
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def on_config_changed(self, section, option):
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"""Update tab config when config was changed."""
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if section == 'general' and option in ['zoom-levels', 'default-zoom']:
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self._init_neighborlist()
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if section == 'general':
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if option in ['zoom-levels', 'default-zoom']:
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self._init_neighborlist()
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elif option == 'show-scroll-bar-horizontal':
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self.page_.mainFrame().setScrollBarPolicy(
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Qt.Horizontal,
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config.get('general', 'show-scroll-bar-horizontal'))
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elif option == 'show-scroll-bar-vertical':
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self.page_.mainFrame().setScrollBarPolicy(
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Qt.Vertical,
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config.get('general', 'show-scroll-bar-vertical'))
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@pyqtSlot('QMouseEvent')
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def on_mouse_event(self, evt):
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@ -475,23 +487,21 @@ class WebView(QWebView):
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e: The QPaintEvent.
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Emit:
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scroll_pos_changed; If the scroll position changed.
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scroll_perc_changed; If the scroll position changed.
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Return:
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The superclass event return value.
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"""
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frame = self.page_.mainFrame()
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new_pos = (frame.scrollBarValue(Qt.Horizontal),
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frame.scrollBarValue(Qt.Vertical))
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if self._old_scroll_pos != new_pos:
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self._old_scroll_pos = new_pos
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logging.debug("Updating scroll position")
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m = (frame.scrollBarMaximum(Qt.Horizontal),
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frame.scrollBarMaximum(Qt.Vertical))
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perc = (round(100 * new_pos[0] / m[0]) if m[0] != 0 else 0,
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round(100 * new_pos[1] / m[1]) if m[1] != 0 else 0)
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self.scroll_pos = perc
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self.scroll_pos_changed.emit(*perc)
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new_pos = frame.scrollPosition()
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if self._old_scroll_perc != new_pos:
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self._old_scroll_perc = new_pos
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max_x = frame.contentsSize().width() - frame.geometry().width()
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max_y = frame.contentsSize().height() - frame.geometry().height()
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perc = (round(100 * new_pos.x() / max_x) if max_x != 0 else 0,
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round(100 * new_pos.y() / max_y) if max_y != 0 else 0)
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self.scroll_perc = perc
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self.scroll_perc_changed.emit(*perc)
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# Let superclass handle the event
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return super().paintEvent(e)
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