anki/qt/aqt/toolbar.py
2023-10-15 10:06:28 +10:00

475 lines
14 KiB
Python

# Copyright: Ankitects Pty Ltd and contributors
# License: GNU AGPL, version 3 or later; http://www.gnu.org/licenses/agpl.html
from __future__ import annotations
import enum
import re
from typing import Any, Callable, Optional, cast
import aqt
from anki.sync import SyncStatus
from aqt import gui_hooks, props
from aqt.qt import *
from aqt.sync import get_sync_status
from aqt.theme import theme_manager
from aqt.utils import tr
from aqt.webview import AnkiWebView, AnkiWebViewKind
class HideMode(enum.IntEnum):
FULLSCREEN = 0
ALWAYS = 1
# wrapper class for set_bridge_command()
class TopToolbar:
def __init__(self, toolbar: Toolbar) -> None:
self.toolbar = toolbar
# wrapper class for set_bridge_command()
class BottomToolbar:
def __init__(self, toolbar: Toolbar) -> None:
self.toolbar = toolbar
class ToolbarWebView(AnkiWebView):
hide_condition: Callable[..., bool]
def __init__(self, mw: aqt.AnkiQt, kind: AnkiWebViewKind | None = None) -> None:
AnkiWebView.__init__(self, mw, kind=kind)
self.mw = mw
self.setFocusPolicy(Qt.FocusPolicy.WheelFocus)
self.disable_zoom()
self.hidden = False
self.hide_timer = QTimer()
self.hide_timer.setSingleShot(True)
self.reset_timer()
def reset_timer(self) -> None:
self.hide_timer.stop()
self.hide_timer.setInterval(2000)
def hide(self) -> None:
self.hidden = True
def show(self) -> None:
self.hidden = False
class TopWebView(ToolbarWebView):
def __init__(self, mw: aqt.AnkiQt) -> None:
super().__init__(mw, kind=AnkiWebViewKind.TOP_TOOLBAR)
self.web_height = 0
qconnect(self.hide_timer.timeout, self.hide_if_allowed)
def eventFilter(self, obj, evt):
if handled := super().eventFilter(obj, evt):
return handled
# prevent collapse of both toolbars if pointer is inside one of them
if evt.type() == QEvent.Type.Enter:
self.reset_timer()
self.mw.bottomWeb.reset_timer()
return True
return False
def on_body_classes_need_update(self) -> None:
super().on_body_classes_need_update()
if self.mw.state == "review":
if self.mw.pm.hide_top_bar():
self.eval("""document.body.classList.remove("flat"); """)
else:
self.flatten()
self.show()
def _onHeight(self, qvar: Optional[int]) -> None:
super()._onHeight(qvar)
self.web_height = int(qvar)
def hide_if_allowed(self) -> None:
if self.mw.state != "review":
return
if self.mw.pm.hide_top_bar():
if (
self.mw.pm.top_bar_hide_mode() == HideMode.FULLSCREEN
and not self.mw.windowState() & Qt.WindowState.WindowFullScreen
):
self.show()
return
self.hide()
def hide(self) -> None:
super().hide()
self.hidden = True
self.eval(
"""document.body.classList.add("hidden"); """,
)
if self.mw.fullscreen:
self.mw.hide_menubar()
def show(self) -> None:
super().show()
self.eval("""document.body.classList.remove("hidden"); """)
self.mw.show_menubar()
def flatten(self) -> None:
self.eval("""document.body.classList.add("flat"); """)
def elevate(self) -> None:
self.eval(
"""
document.body.classList.remove("flat");
document.body.style.removeProperty("background");
"""
)
def update_background_image(self) -> None:
if self.mw.pm.minimalist_mode():
return
def set_background(computed: str) -> None:
# remove offset from copy
background = re.sub(r"-\d+px ", "0%", computed)
# ensure alignment with main webview
background = re.sub(r"\sfixed", "", background)
# change computedStyle px value back to 100vw
background = re.sub(r"\d+px", "100vw", background)
self.eval(
f"""
document.body.style.setProperty("background", '{background}');
"""
)
self.set_body_height(self.mw.web.height())
# offset reviewer background by toolbar height
self.mw.web.eval(
f"""document.body.style.setProperty("background-position-y", "-{self.web_height}px"); """
)
self.mw.web.evalWithCallback(
"""window.getComputedStyle(document.body).background; """,
set_background,
)
def set_body_height(self, height: int) -> None:
self.eval(
f"""document.body.style.setProperty("min-height", "{self.mw.web.height()}px"); """
)
def adjustHeightToFit(self) -> None:
self.eval("""document.body.style.setProperty("min-height", "0px"); """)
self.evalWithCallback("document.documentElement.offsetHeight", self._onHeight)
def resizeEvent(self, event: QResizeEvent) -> None:
super().resizeEvent(event)
self.mw.web.evalWithCallback(
"""window.innerHeight; """,
self.set_body_height,
)
class BottomWebView(ToolbarWebView):
def __init__(self, mw: aqt.AnkiQt) -> None:
super().__init__(mw, kind=AnkiWebViewKind.BOTTOM_TOOLBAR)
qconnect(self.hide_timer.timeout, self.hide_if_allowed)
def eventFilter(self, obj, evt):
if handled := super().eventFilter(obj, evt):
return handled
if evt.type() == QEvent.Type.Enter:
self.reset_timer()
self.mw.toolbarWeb.reset_timer()
return True
return False
def on_body_classes_need_update(self) -> None:
super().on_body_classes_need_update()
if self.mw.state == "review":
self.show()
def animate_height(self, height: int) -> None:
self.web_height = height
if self.mw.pm.reduce_motion() or height == self.height():
self.setFixedHeight(height)
else:
# Collapse/Expand animation
self.setMinimumHeight(0)
self.animation = QPropertyAnimation(
self, cast(QByteArray, b"maximumHeight")
)
self.animation.setDuration(int(theme_manager.var(props.TRANSITION)))
self.animation.setStartValue(self.height())
self.animation.setEndValue(height)
qconnect(self.animation.finished, lambda: self.setFixedHeight(height))
self.animation.start()
def hide_if_allowed(self) -> None:
if self.mw.state != "review":
return
if self.mw.pm.hide_bottom_bar():
if (
self.mw.pm.bottom_bar_hide_mode() == HideMode.FULLSCREEN
and not self.mw.windowState() & Qt.WindowState.WindowFullScreen
):
self.show()
return
self.hide()
def hide(self) -> None:
super().hide()
self.hidden = True
self.animate_height(1)
def show(self) -> None:
super().show()
self.hidden = False
if self.mw.state == "review":
self.evalWithCallback(
"document.documentElement.offsetHeight", self.animate_height
)
else:
self.adjustHeightToFit()
class Toolbar:
def __init__(self, mw: aqt.AnkiQt, web: AnkiWebView) -> None:
self.mw = mw
self.web = web
self.link_handlers: dict[str, Callable] = {
"study": self._studyLinkHandler,
}
self.web.requiresCol = False
def draw(
self,
buf: str = "",
web_context: Any | None = None,
link_handler: Callable[[str], Any] | None = None,
) -> None:
web_context = web_context or TopToolbar(self)
link_handler = link_handler or self._linkHandler
self.web.set_bridge_command(link_handler, web_context)
body = self._body.format(
toolbar_content=self._centerLinks(),
left_tray_content=self._left_tray_content(),
right_tray_content=self._right_tray_content(),
)
self.web.stdHtml(
body,
css=["css/toolbar.css"],
js=["js/vendor/jquery.min.js", "js/toolbar.js"],
context=web_context,
)
self.web.adjustHeightToFit()
def redraw(self) -> None:
self.set_sync_active(self.mw.media_syncer.is_syncing())
self.update_sync_status()
gui_hooks.top_toolbar_did_redraw(self)
# Available links
######################################################################
def create_link(
self,
cmd: str,
label: str,
func: Callable,
tip: str | None = None,
id: str | None = None,
) -> str:
"""Generates HTML link element and registers link handler
Arguments:
cmd {str} -- Command name used for the JS → Python bridge
label {str} -- Display label of the link
func {Callable} -- Callable to be called on clicking the link
Keyword Arguments:
tip {Optional[str]} -- Optional tooltip text to show on hovering
over the link (default: {None})
id: {Optional[str]} -- Optional id attribute to supply the link with
(default: {None})
Returns:
str -- HTML link element
"""
self.link_handlers[cmd] = func
title_attr = f'title="{tip}"' if tip else ""
id_attr = f'id="{id}"' if id else ""
return (
f"""<a class=hitem tabindex="-1" aria-label="{label}" """
f"""{title_attr} {id_attr} href=# onclick="return pycmd('{cmd}')">"""
f"""{label}</a>"""
)
def _centerLinks(self) -> str:
links = [
self.create_link(
"decks",
tr.actions_decks(),
self._deckLinkHandler,
tip=tr.actions_shortcut_key(val="D"),
id="decks",
),
self.create_link(
"add",
tr.actions_add(),
self._addLinkHandler,
tip=tr.actions_shortcut_key(val="A"),
id="add",
),
self.create_link(
"browse",
tr.qt_misc_browse(),
self._browseLinkHandler,
tip=tr.actions_shortcut_key(val="B"),
id="browse",
),
self.create_link(
"stats",
tr.qt_misc_stats(),
self._statsLinkHandler,
tip=tr.actions_shortcut_key(val="T"),
id="stats",
),
]
links.append(self._create_sync_link())
gui_hooks.top_toolbar_did_init_links(links, self)
return "\n".join(links)
# Add-ons
######################################################################
def _left_tray_content(self) -> str:
left_tray_content: list[str] = []
gui_hooks.top_toolbar_will_set_left_tray_content(left_tray_content, self)
return self._process_tray_content(left_tray_content)
def _right_tray_content(self) -> str:
right_tray_content: list[str] = []
gui_hooks.top_toolbar_will_set_right_tray_content(right_tray_content, self)
return self._process_tray_content(right_tray_content)
def _process_tray_content(self, content: list[str]) -> str:
return "\n".join(f"""<div class="tray-item">{item}</div>""" for item in content)
# Sync
######################################################################
def _create_sync_link(self) -> str:
name = tr.qt_misc_sync()
title = tr.actions_shortcut_key(val="Y")
label = "sync"
self.link_handlers[label] = self._syncLinkHandler
return f"""
<a class=hitem tabindex="-1" aria-label="{name}" title="{title}" id="{label}" href=# onclick="return pycmd('{label}')"
>{name}<img id=sync-spinner src='/_anki/imgs/refresh.svg'>
</a>"""
def set_sync_active(self, active: bool) -> None:
method = "add" if active else "remove"
self.web.eval(
f"document.getElementById('sync-spinner').classList.{method}('spin')"
)
def set_sync_status(self, status: SyncStatus) -> None:
self.web.eval(f"updateSyncColor({status.required})")
def update_sync_status(self) -> None:
get_sync_status(self.mw, self.mw.toolbar.set_sync_status)
# Link handling
######################################################################
def _linkHandler(self, link: str) -> bool:
if link in self.link_handlers:
self.link_handlers[link]()
return False
def _deckLinkHandler(self) -> None:
self.mw.moveToState("deckBrowser")
def _studyLinkHandler(self) -> None:
# if overview already shown, switch to review
if self.mw.state == "overview":
self.mw.col.startTimebox()
self.mw.moveToState("review")
else:
self.mw.onOverview()
def _addLinkHandler(self) -> None:
self.mw.onAddCard()
def _browseLinkHandler(self) -> None:
self.mw.onBrowse()
def _statsLinkHandler(self) -> None:
self.mw.onStats()
def _syncLinkHandler(self) -> None:
self.mw.on_sync_button_clicked()
# HTML & CSS
######################################################################
_body = """
<div class="header">
<div class="left-tray">{left_tray_content}</div>
<div class="toolbar">{toolbar_content}</div>
<div class="right-tray">{right_tray_content}</div>
</div>
"""
# Bottom bar
######################################################################
class BottomBar(Toolbar):
_centerBody = """
<center id=outer><table width=100%% id=header><tr><td align=center>
%s</td></tr></table></center>
"""
def draw(
self,
buf: str = "",
web_context: Any | None = None,
link_handler: Callable[[str], Any] | None = None,
) -> None:
# note: some screens may override this
web_context = web_context or BottomToolbar(self)
link_handler = link_handler or self._linkHandler
self.web.set_bridge_command(link_handler, web_context)
self.web.stdHtml(
self._centerBody % buf,
css=["css/toolbar.css", "css/toolbar-bottom.css"],
context=web_context,
)
self.web.adjustHeightToFit()