def css_for_highlight_style(style):
is_dark = is_dark_theme()
kind = style.get('kind')
ans = ''
if kind == 'color':
key = 'dark' if is_dark else 'light'
val = style.get(key)
if val is None:
which = style.get('which')
val = (builtin_colors_dark
if is_dark else builtin_colors_light).get(which)
if val is None:
val = style.get('background-color')
if val is not None:
ans = f'background-color: {val}'
elif 'background-color' in style:
ans = 'background-color: ' + style['background-color']
if 'color' in style:
ans += '; color: ' + style["color"]
elif kind == 'decoration':
which = style.get('which')
if which is not None:
q = builtin_decorations.get(which)
if q is not None:
ans = q
else:
ans = '; '.join(f'{k}: {v}' for k, v in style.items())
return ans
def __init__(self, prefs):
self.log = default_log
self.current_frag = None
self.com_id = str(uuid4())
QWebEnginePage.__init__(self)
secure_webengine(self.settings(), for_viewer=True)
self.titleChanged.connect(self.title_changed)
self.loadFinished.connect(self.show_frag)
s = QWebEngineScript()
s.setName('toc.js')
s.setInjectionPoint(QWebEngineScript.InjectionPoint.DocumentCreation)
s.setRunsOnSubFrames(True)
s.setWorldId(QWebEngineScript.ScriptWorldId.ApplicationWorld)
js = P('toc.js', allow_user_override=False,
data=True).decode('utf-8').replace('COM_ID', self.com_id, 1)
if 'preview_background' in prefs.defaults and 'preview_foreground' in prefs.defaults:
from calibre.gui2.tweak_book.preview import get_editor_settings
settings = get_editor_settings(prefs)
else:
if is_dark_theme():
settings = {
'is_dark_theme': True,
'bg': dark_color.name(),
'fg': dark_text_color.name(),
'link': dark_link_color.name(),
}
else:
settings = {}
js = js.replace('SETTINGS', json.dumps(settings), 1)
dark_mode_css = P('dark_mode.css',
data=True,
allow_user_override=False).decode('utf-8')
js = js.replace('CSS', json.dumps(dark_mode_css), 1)
s.setSourceCode(js)
self.scripts().insert(s)
def load(self, highlights):
s = self.style()
icon_size = s.pixelMetric(s.PM_SmallIconSize, None, self)
dpr = self.devicePixelRatioF()
is_dark = is_dark_theme()
self.clear()
self.uuid_map = {}
highlights = (h for h in highlights
if not h.get('removed') and h.get('highlighted_text'))
section_map = defaultdict(list)
section_tt_map = {}
for h in self.sorted_highlights(highlights):
tfam = h.get('toc_family_titles') or ()
if tfam:
tsec = tfam[0]
lsec = tfam[-1]
else:
tsec = h.get('top_level_section_title')
lsec = h.get('lowest_level_section_title')
sec = lsec or tsec or _('Unknown')
if len(tfam) > 1:
lines = []
for i, node in enumerate(tfam):
lines.append('\xa0\xa0' * i + '➤ ' + node)
tt = ngettext('Table of Contents section:',
'Table of Contents sections:', len(lines))
tt += '\n' + '\n'.join(lines)
section_tt_map[sec] = tt
section_map[sec].append(h)
for secnum, (sec, items) in enumerate(section_map.items()):
section = QTreeWidgetItem([sec], 1)
section.setFlags(Qt.ItemIsEnabled)
section.setFont(0, self.section_font)
tt = section_tt_map.get(sec)
if tt:
section.setToolTip(0, tt)
self.addTopLevelItem(section)
section.setExpanded(True)
for itemnum, h in enumerate(items):
txt = h.get('highlighted_text')
txt = txt.replace('\n', ' ')
if len(txt) > 100:
txt = txt[:100] + '…'
item = QTreeWidgetItem(section, [txt], 2)
item.setFlags(Qt.ItemIsSelectable | Qt.ItemIsEnabled
| Qt.ItemNeverHasChildren)
item.setData(0, Qt.UserRole, h)
try:
dec = decoration_for_style(self.palette(),
h.get('style') or {}, icon_size,
dpr, is_dark)
except Exception:
import traceback
traceback.print_exc()
dec = None
if dec is None:
dec = self.default_decoration
item.setData(0, Qt.DecorationRole, dec)
self.uuid_map[h['uuid']] = secnum, itemnum
self.num_of_items += 1
def __init__(self, doc):
QSyntaxHighlighter.__init__(self, doc)
self.colors = {}
self.colors['doctype'] = QColor(192, 192, 192)
self.colors['entity'] = QColor(128, 128, 128)
self.colors['comment'] = QColor(35, 110, 37)
if is_dark_theme():
from calibre.gui2.palette import dark_link_color
self.colors['tag'] = QColor(186, 78, 188)
self.colors['attrname'] = QColor(193, 119, 60)
self.colors['attrval'] = dark_link_color
else:
self.colors['tag'] = QColor(136, 18, 128)
self.colors['attrname'] = QColor(153, 69, 0)
self.colors['attrval'] = QColor(36, 36, 170)
def get_editor_settings(tprefs):
dark = is_dark_theme()
def get_color(name, dark_val):
ans = tprefs[name]
if ans == 'auto' and dark:
ans = dark_val.name()
if ans in ('auto', 'unset'):
return None
return ans
return {
'is_dark_theme': dark,
'bg': get_color('preview_background', dark_color),
'fg': get_color('preview_foreground', dark_text_color),
'link': get_color('preview_link_color', dark_link_color),
}
def update_settings(self):
dark = is_dark_theme()
def get_color(name, dark_val):
ans = tprefs[name]
if ans == 'auto' and dark:
ans = dark_val.name()
if ans in ('auto', 'unset'):
return None
return ans
settings = {
'is_dark_theme': dark,
'bg': get_color('preview_background', dark_color),
'fg': get_color('preview_foreground', dark_text_color),
'link': get_color('preview_link_color', dark_link_color),
}
p = self._page.profile()
ua = p.httpUserAgent().split('|')[0] + '|' + json.dumps(settings)
p.setHttpUserAgent(ua)
def themed_css(reset=False):
ans = css(reset)
if is_dark_theme():
ans = 'a { color: #6CB4EE }\n\n' + ans
return ans
