%PDF-
%PDF-
Mini Shell
Mini Shell
#!/usr/bin/env python3
__license__ = 'GPL v3'
__copyright__ = '2014, Kovid Goyal <kovid at kovidgoyal.net>'
import re
import textwrap
from bisect import bisect
from functools import partial
from qt.core import (
QAbstractItemModel, QAbstractListModel, QApplication, QCheckBox, QGridLayout,
QHBoxLayout, QIcon, QInputMethodEvent, QLabel, QListView, QMenu, QMimeData,
QModelIndex, QPen, QPushButton, QSize, QSizePolicy, QSplitter,
QStyledItemDelegate, Qt, QToolButton, QTreeView, pyqtSignal, QAbstractItemView, QDialogButtonBox
)
from calibre.gui2.tweak_book import tprefs
from calibre.gui2.tweak_book.widgets import BusyCursor, Dialog
from calibre.gui2.widgets2 import HistoryLineEdit2
from calibre.utils.icu import safe_chr as codepoint_to_chr
from calibre.utils.unicode_names import character_name_from_code, points_for_word
from calibre_extensions.progress_indicator import set_no_activate_on_click
ROOT = QModelIndex()
non_printing = {
0xa0: 'nbsp', 0x2000: 'nqsp', 0x2001: 'mqsp', 0x2002: 'ensp', 0x2003: 'emsp', 0x2004: '3/msp', 0x2005: '4/msp', 0x2006: '6/msp',
0x2007: 'fsp', 0x2008: 'psp', 0x2009: 'thsp', 0x200A: 'hsp', 0x200b: 'zwsp', 0x200c: 'zwnj', 0x200d: 'zwj', 0x200e: 'lrm', 0x200f: 'rlm',
0x2028: 'lsep', 0x2029: 'psep', 0x202a: 'rle', 0x202b: 'lre', 0x202c: 'pdp', 0x202d: 'lro', 0x202e: 'rlo', 0x202f: 'nnbsp',
0x205f: 'mmsp', 0x2060: 'wj', 0x2061: 'fa', 0x2062: 'x', 0x2063: ',', 0x2064: '+', 0x206A: 'iss', 0x206b: 'ass', 0x206c: 'iafs', 0x206d: 'aafs',
0x206e: 'nads', 0x206f: 'nods', 0x20: 'sp', 0x7f: 'del', 0x2e3a: '2m', 0x2e3b: '3m', 0xad: 'shy',
}
# Searching {{{
def search_for_chars(query, and_tokens=False):
ans = set()
for i, token in enumerate(query.split()):
token = token.lower()
m = re.match(r'(?:[u]\+)([a-f0-9]+)', token)
if m is not None:
chars = {int(m.group(1), 16)}
else:
chars = points_for_word(token)
if chars is not None:
if and_tokens:
ans = chars if i == 0 else (ans & chars)
else:
ans |= chars
return sorted(ans)
# }}}
class CategoryModel(QAbstractItemModel):
def __init__(self, parent=None):
QAbstractItemModel.__init__(self, parent)
self.categories = ((_('Favorites'), ()), # {{{
(_('European scripts'), (
(_('Armenian'), (0x530, 0x58F)),
(_('Armenian ligatures'), (0xFB13, 0xFB17)),
(_('Coptic'), (0x2C80, 0x2CFF)),
(_('Coptic in Greek block'), (0x3E2, 0x3EF)),
(_('Cypriot syllabary'), (0x10800, 0x1083F)),
(_('Cyrillic'), (0x400, 0x4FF)),
(_('Cyrillic supplement'), (0x500, 0x52F)),
(_('Cyrillic extended A'), (0x2DE0, 0x2DFF)),
(_('Cyrillic extended B'), (0xA640, 0xA69F)),
(_('Georgian'), (0x10A0, 0x10FF)),
(_('Georgian supplement'), (0x2D00, 0x2D2F)),
(_('Glagolitic'), (0x2C00, 0x2C5F)),
(_('Gothic'), (0x10330, 0x1034F)),
(_('Greek and Coptic'), (0x370, 0x3FF)),
(_('Greek extended'), (0x1F00, 0x1FFF)),
(_('Latin, Basic & Latin-1 supplement'), (0x20, 0xFF)),
(_('Latin extended A'), (0x100, 0x17F)),
(_('Latin extended B'), (0x180, 0x24F)),
(_('Latin extended C'), (0x2C60, 0x2C7F)),
(_('Latin extended D'), (0xA720, 0xA7FF)),
(_('Latin extended additional'), (0x1E00, 0x1EFF)),
(_('Latin ligatures'), (0xFB00, 0xFB06)),
(_('Fullwidth Latin letters'), (0xFF00, 0xFF5E)),
(_('Linear B syllabary'), (0x10000, 0x1007F)),
(_('Linear B ideograms'), (0x10080, 0x100FF)),
(_('Ogham'), (0x1680, 0x169F)),
(_('Old italic'), (0x10300, 0x1032F)),
(_('Phaistos disc'), (0x101D0, 0x101FF)),
(_('Runic'), (0x16A0, 0x16FF)),
(_('Shavian'), (0x10450, 0x1047F)),
)),
(_('Phonetic symbols'), (
(_('IPA extensions'), (0x250, 0x2AF)),
(_('Phonetic extensions'), (0x1D00, 0x1D7F)),
(_('Phonetic extensions supplement'), (0x1D80, 0x1DBF)),
(_('Modifier tone letters'), (0xA700, 0xA71F)),
(_('Spacing modifier letters'), (0x2B0, 0x2FF)),
(_('Superscripts and subscripts'), (0x2070, 0x209F)),
)),
(_('Combining diacritics'), (
(_('Combining diacritical marks'), (0x300, 0x36F)),
(_('Combining diacritical marks for symbols'), (0x20D0, 0x20FF)),
(_('Combining diacritical marks supplement'), (0x1DC0, 0x1DFF)),
(_('Combining half marks'), (0xFE20, 0xFE2F)),
)),
(_('African scripts'), (
(_('Bamum'), (0xA6A0, 0xA6FF)),
(_('Bamum supplement'), (0x16800, 0x16A3F)),
(_('Egyptian hieroglyphs'), (0x13000, 0x1342F)),
(_('Ethiopic'), (0x1200, 0x137F)),
(_('Ethiopic supplement'), (0x1380, 0x139F)),
(_('Ethiopic extended'), (0x2D80, 0x2DDF)),
(_('Ethiopic extended A'), (0xAB00, 0xAB2F)),
(_('Meroitic cursive'), (0x109A0, 0x109FF)),
(_('Meroitic hieroglyphs'), (0x10980, 0x1099F)),
(_('N\'Ko'), (0x7C0, 0x7FF)),
(_('Osmanya'), (0x10480, 0x104AF)),
(_('Tifinagh'), (0x2D30, 0x2D7F)),
(_('Vai'), (0xA500, 0xA63F)),
)),
(_('Middle Eastern scripts'), (
(_('Arabic'), (0x600, 0x6FF)),
(_('Arabic supplement'), (0x750, 0x77F)),
(_('Arabic extended A'), (0x8A0, 0x8FF)),
(_('Arabic presentation forms A'), (0xFB50, 0xFDFF)),
(_('Arabic presentation forms B'), (0xFE70, 0xFEFF)),
(_('Avestan'), (0x10B00, 0x10B3F)),
(_('Carian'), (0x102A0, 0x102DF)),
(_('Cuneiform'), (0x12000, 0x123FF)),
(_('Cuneiform numbers and punctuation'), (0x12400, 0x1247F)),
(_('Hebrew'), (0x590, 0x5FF)),
(_('Hebrew presentation forms'), (0xFB1D, 0xFB4F)),
(_('Imperial Aramaic'), (0x10840, 0x1085F)),
(_('Inscriptional Pahlavi'), (0x10B60, 0x10B7F)),
(_('Inscriptional Parthian'), (0x10B40, 0x10B5F)),
(_('Lycian'), (0x10280, 0x1029F)),
(_('Lydian'), (0x10920, 0x1093F)),
(_('Mandaic'), (0x840, 0x85F)),
(_('Old Persian'), (0x103A0, 0x103DF)),
(_('Old South Arabian'), (0x10A60, 0x10A7F)),
(_('Phoenician'), (0x10900, 0x1091F)),
(_('Samaritan'), (0x800, 0x83F)),
(_('Syriac'), (0x700, 0x74F)),
(_('Ugaritic'), (0x10380, 0x1039F)),
)),
(_('Central Asian scripts'), (
(_('Mongolian'), (0x1800, 0x18AF)),
(_('Old Turkic'), (0x10C00, 0x10C4F)),
(_('Phags-pa'), (0xA840, 0xA87F)),
(_('Tibetan'), (0xF00, 0xFFF)),
)),
(_('South Asian scripts'), (
(_('Bengali'), (0x980, 0x9FF)),
(_('Brahmi'), (0x11000, 0x1107F)),
(_('Chakma'), (0x11100, 0x1114F)),
(_('Devanagari'), (0x900, 0x97F)),
(_('Devanagari extended'), (0xA8E0, 0xA8FF)),
(_('Gujarati'), (0xA80, 0xAFF)),
(_('Gurmukhi'), (0xA00, 0xA7F)),
(_('Kaithi'), (0x11080, 0x110CF)),
(_('Kannada'), (0xC80, 0xCFF)),
(_('Kharoshthi'), (0x10A00, 0x10A5F)),
(_('Lepcha'), (0x1C00, 0x1C4F)),
(_('Limbu'), (0x1900, 0x194F)),
(_('Malayalam'), (0xD00, 0xD7F)),
(_('Meetei Mayek'), (0xABC0, 0xABFF)),
(_('Meetei Mayek extensions'), (0xAAE0, 0xAAEF)),
(_('Ol Chiki'), (0x1C50, 0x1C7F)),
(_('Oriya'), (0xB00, 0xB7F)),
(_('Saurashtra'), (0xA880, 0xA8DF)),
(_('Sinhala'), (0xD80, 0xDFF)),
(_('Sharada'), (0x11180, 0x111DF)),
(_('Sora Sompeng'), (0x110D0, 0x110FF)),
(_('Syloti Nagri'), (0xA800, 0xA82F)),
(_('Takri'), (0x11680, 0x116CF)),
(_('Tamil'), (0xB80, 0xBFF)),
(_('Telugu'), (0xC00, 0xC7F)),
(_('Thaana'), (0x780, 0x7BF)),
(_('Vedic extensions'), (0x1CD0, 0x1CFF)),
)),
(_('Southeast Asian scripts'), (
(_('Balinese'), (0x1B00, 0x1B7F)),
(_('Batak'), (0x1BC0, 0x1BFF)),
(_('Buginese'), (0x1A00, 0x1A1F)),
(_('Cham'), (0xAA00, 0xAA5F)),
(_('Javanese'), (0xA980, 0xA9DF)),
(_('Kayah Li'), (0xA900, 0xA92F)),
(_('Khmer'), (0x1780, 0x17FF)),
(_('Khmer symbols'), (0x19E0, 0x19FF)),
(_('Lao'), (0xE80, 0xEFF)),
(_('Myanmar'), (0x1000, 0x109F)),
(_('Myanmar extended A'), (0xAA60, 0xAA7F)),
(_('New Tai Lue'), (0x1980, 0x19DF)),
(_('Rejang'), (0xA930, 0xA95F)),
(_('Sundanese'), (0x1B80, 0x1BBF)),
(_('Sundanese supplement'), (0x1CC0, 0x1CCF)),
(_('Tai Le'), (0x1950, 0x197F)),
(_('Tai Tham'), (0x1A20, 0x1AAF)),
(_('Tai Viet'), (0xAA80, 0xAADF)),
(_('Thai'), (0xE00, 0xE7F)),
)),
(_('Philippine scripts'), (
(_('Buhid'), (0x1740, 0x175F)),
(_('Hanunoo'), (0x1720, 0x173F)),
(_('Tagalog'), (0x1700, 0x171F)),
(_('Tagbanwa'), (0x1760, 0x177F)),
)),
(_('East Asian scripts'), (
(_('Bopomofo'), (0x3100, 0x312F)),
(_('Bopomofo extended'), (0x31A0, 0x31BF)),
(_('CJK Unified ideographs'), (0x4E00, 0x9FFF)),
(_('CJK Unified ideographs extension A'), (0x3400, 0x4DBF)),
(_('CJK Unified ideographs extension B'), (0x20000, 0x2A6DF)),
(_('CJK Unified ideographs extension C'), (0x2A700, 0x2B73F)),
(_('CJK Unified ideographs extension D'), (0x2B740, 0x2B81F)),
(_('CJK compatibility ideographs'), (0xF900, 0xFAFF)),
(_('CJK compatibility ideographs supplement'), (0x2F800, 0x2FA1F)),
(_('Kangxi radicals'), (0x2F00, 0x2FDF)),
(_('CJK radicals supplement'), (0x2E80, 0x2EFF)),
(_('CJK strokes'), (0x31C0, 0x31EF)),
(_('Ideographic description characters'), (0x2FF0, 0x2FFF)),
(_('Hiragana'), (0x3040, 0x309F)),
(_('Katakana'), (0x30A0, 0x30FF)),
(_('Katakana phonetic extensions'), (0x31F0, 0x31FF)),
(_('Kana supplement'), (0x1B000, 0x1B0FF)),
(_('Halfwidth Katakana'), (0xFF65, 0xFF9F)),
(_('Kanbun'), (0x3190, 0x319F)),
(_('Hangul syllables'), (0xAC00, 0xD7AF)),
(_('Hangul Jamo'), (0x1100, 0x11FF)),
(_('Hangul Jamo extended A'), (0xA960, 0xA97F)),
(_('Hangul Jamo extended B'), (0xD7B0, 0xD7FF)),
(_('Hangul compatibility Jamo'), (0x3130, 0x318F)),
(_('Halfwidth Jamo'), (0xFFA0, 0xFFDC)),
(_('Lisu'), (0xA4D0, 0xA4FF)),
(_('Miao'), (0x16F00, 0x16F9F)),
(_('Yi syllables'), (0xA000, 0xA48F)),
(_('Yi radicals'), (0xA490, 0xA4CF)),
)),
(_('American scripts'), (
(_('Cherokee'), (0x13A0, 0x13FF)),
(_('Deseret'), (0x10400, 0x1044F)),
(_('Unified Canadian aboriginal syllabics'), (0x1400, 0x167F)),
(_('UCAS extended'), (0x18B0, 0x18FF)),
)),
(_('Other'), (
(_('Alphabetic presentation forms'), (0xFB00, 0xFB4F)),
(_('Halfwidth and Fullwidth forms'), (0xFF00, 0xFFEF)),
)),
(_('Punctuation'), (
(_('General punctuation'), (0x2000, 0x206F)),
(_('ASCII punctuation'), (0x21, 0x7F)),
(_('Cuneiform numbers and punctuation'), (0x12400, 0x1247F)),
(_('Latin-1 punctuation'), (0xA1, 0xBF)),
(_('Small form variants'), (0xFE50, 0xFE6F)),
(_('Supplemental punctuation'), (0x2E00, 0x2E7F)),
(_('CJK symbols and punctuation'), (0x3000, 0x303F)),
(_('CJK compatibility forms'), (0xFE30, 0xFE4F)),
(_('Fullwidth ASCII punctuation'), (0xFF01, 0xFF60)),
(_('Vertical forms'), (0xFE10, 0xFE1F)),
)),
(_('Alphanumeric symbols'), (
(_('Arabic mathematical alphabetic symbols'), (0x1EE00, 0x1EEFF)),
(_('Letterlike symbols'), (0x2100, 0x214F)),
(_('Roman symbols'), (0x10190, 0x101CF)),
(_('Mathematical alphanumeric symbols'), (0x1D400, 0x1D7FF)),
(_('Enclosed alphanumerics'), (0x2460, 0x24FF)),
(_('Enclosed alphanumeric supplement'), (0x1F100, 0x1F1FF)),
(_('Enclosed CJK letters and months'), (0x3200, 0x32FF)),
(_('Enclosed ideographic supplement'), (0x1F200, 0x1F2FF)),
(_('CJK compatibility'), (0x3300, 0x33FF)),
)),
(_('Technical symbols'), (
(_('Miscellaneous technical'), (0x2300, 0x23FF)),
(_('Control pictures'), (0x2400, 0x243F)),
(_('Optical character recognition'), (0x2440, 0x245F)),
)),
(_('Numbers and digits'), (
(_('Aegean numbers'), (0x10100, 0x1013F)),
(_('Ancient Greek numbers'), (0x10140, 0x1018F)),
(_('Common Indic number forms'), (0xA830, 0xA83F)),
(_('Counting rod numerals'), (0x1D360, 0x1D37F)),
(_('Cuneiform numbers and punctuation'), (0x12400, 0x1247F)),
(_('Fullwidth ASCII digits'), (0xFF10, 0xFF19)),
(_('Number forms'), (0x2150, 0x218F)),
(_('Rumi numeral symbols'), (0x10E60, 0x10E7F)),
(_('Superscripts and subscripts'), (0x2070, 0x209F)),
)),
(_('Mathematical symbols'), (
(_('Arrows'), (0x2190, 0x21FF)),
(_('Supplemental arrows A'), (0x27F0, 0x27FF)),
(_('Supplemental arrows B'), (0x2900, 0x297F)),
(_('Miscellaneous symbols and arrows'), (0x2B00, 0x2BFF)),
(_('Mathematical alphanumeric symbols'), (0x1D400, 0x1D7FF)),
(_('Letterlike symbols'), (0x2100, 0x214F)),
(_('Mathematical operators'), (0x2200, 0x22FF)),
(_('Miscellaneous mathematical symbols A'), (0x27C0, 0x27EF)),
(_('Miscellaneous mathematical symbols B'), (0x2980, 0x29FF)),
(_('Supplemental mathematical operators'), (0x2A00, 0x2AFF)),
(_('Ceilings and floors'), (0x2308, 0x230B)),
(_('Geometric shapes'), (0x25A0, 0x25FF)),
(_('Box drawing'), (0x2500, 0x257F)),
(_('Block elements'), (0x2580, 0x259F)),
)),
(_('Musical symbols'), (
(_('Musical symbols'), (0x1D100, 0x1D1FF)),
(_('More musical symbols'), (0x2669, 0x266F)),
(_('Ancient Greek musical notation'), (0x1D200, 0x1D24F)),
(_('Byzantine musical symbols'), (0x1D000, 0x1D0FF)),
)),
(_('Game symbols'), (
(_('Chess'), (0x2654, 0x265F)),
(_('Domino tiles'), (0x1F030, 0x1F09F)),
(_('Draughts'), (0x26C0, 0x26C3)),
(_('Japanese chess'), (0x2616, 0x2617)),
(_('Mahjong tiles'), (0x1F000, 0x1F02F)),
(_('Playing cards'), (0x1F0A0, 0x1F0FF)),
(_('Playing card suits'), (0x2660, 0x2667)),
)),
(_('Other symbols'), (
(_('Alchemical symbols'), (0x1F700, 0x1F77F)),
(_('Ancient symbols'), (0x10190, 0x101CF)),
(_('Braille patterns'), (0x2800, 0x28FF)),
(_('Currency symbols'), (0x20A0, 0x20CF)),
(_('Combining diacritical marks for symbols'), (0x20D0, 0x20FF)),
(_('Dingbats'), (0x2700, 0x27BF)),
(_('Emoticons'), (0x1F600, 0x1F64F)),
(_('Miscellaneous symbols'), (0x2600, 0x26FF)),
(_('Miscellaneous symbols and arrows'), (0x2B00, 0x2BFF)),
(_('Miscellaneous symbols and pictographs'), (0x1F300, 0x1F5FF)),
(_('Yijing hexagram symbols'), (0x4DC0, 0x4DFF)),
(_('Yijing mono and digrams'), (0x268A, 0x268F)),
(_('Yijing trigrams'), (0x2630, 0x2637)),
(_('Tai Xuan Jing symbols'), (0x1D300, 0x1D35F)),
(_('Transport and map symbols'), (0x1F680, 0x1F6FF)),
)),
(_('Other'), (
(_('Specials'), (0xFFF0, 0xFFFF)),
(_('Tags'), (0xE0000, 0xE007F)),
(_('Variation selectors'), (0xFE00, 0xFE0F)),
(_('Variation selectors supplement'), (0xE0100, 0xE01EF)),
)),
) # }}}
self.category_map = {}
self.starts = []
for tlname, items in self.categories[1:]:
for name, (start, end) in items:
self.category_map[start] = (tlname, name)
self.starts.append(start)
self.starts.sort()
self.bold_font = f = QApplication.font()
f.setBold(True)
self.fav_icon = QIcon(I('rating.png'))
def columnCount(self, parent=ROOT):
return 1
def rowCount(self, parent=ROOT):
if not parent.isValid():
return len(self.categories)
r = parent.row()
pid = parent.internalId()
if pid == 0 and -1 < r < len(self.categories):
return len(self.categories[r][1])
return 0
def index(self, row, column, parent=ROOT):
if not parent.isValid():
return self.createIndex(row, column) if -1 < row < len(self.categories) else ROOT
try:
return self.createIndex(row, column, parent.row() + 1) if -1 < row < len(self.categories[parent.row()][1]) else ROOT
except IndexError:
return ROOT
def parent(self, index):
if not index.isValid():
return ROOT
pid = index.internalId()
if pid == 0:
return ROOT
return self.index(pid - 1, 0)
def data(self, index, role=Qt.ItemDataRole.DisplayRole):
if not index.isValid():
return None
pid = index.internalId()
if pid == 0:
if role == Qt.ItemDataRole.DisplayRole:
return self.categories[index.row()][0]
if role == Qt.ItemDataRole.FontRole:
return self.bold_font
if role == Qt.ItemDataRole.DecorationRole and index.row() == 0:
return self.fav_icon
else:
if role == Qt.ItemDataRole.DisplayRole:
item = self.categories[pid - 1][1][index.row()]
return item[0]
return None
def get_range(self, index):
if index.isValid():
pid = index.internalId()
if pid == 0:
if index.row() == 0:
return (_('Favorites'), list(tprefs['charmap_favorites']))
else:
item = self.categories[pid - 1][1][index.row()]
return (item[0], list(range(item[1][0], item[1][1] + 1)))
def get_char_info(self, char_code):
ipos = bisect(self.starts, char_code) - 1
try:
category, subcategory = self.category_map[self.starts[ipos]]
except IndexError:
category = subcategory = _('Unknown')
return category, subcategory, character_name_from_code(char_code)
class CategoryDelegate(QStyledItemDelegate):
def __init__(self, parent=None):
QStyledItemDelegate.__init__(self, parent)
def sizeHint(self, option, index):
ans = QStyledItemDelegate.sizeHint(self, option, index)
if not index.parent().isValid():
ans += QSize(0, 6)
return ans
class CategoryView(QTreeView):
category_selected = pyqtSignal(object, object)
def __init__(self, parent=None):
QTreeView.__init__(self, parent)
self.setHeaderHidden(True)
self.setAnimated(True)
self.activated.connect(self.item_activated)
self.clicked.connect(self.item_activated)
set_no_activate_on_click(self)
self.initialized = False
self.setExpandsOnDoubleClick(False)
def item_activated(self, index):
ans = self._model.get_range(index)
if ans is not None:
self.category_selected.emit(*ans)
else:
if self.isExpanded(index):
self.collapse(index)
else:
self.expand(index)
def get_chars(self):
ans = self._model.get_range(self.currentIndex())
if ans is not None:
self.category_selected.emit(*ans)
def initialize(self):
if not self.initialized:
self._model = m = CategoryModel(self)
self.setModel(m)
self.setCurrentIndex(m.index(0, 0))
self.item_activated(m.index(0, 0))
self._delegate = CategoryDelegate(self)
self.setItemDelegate(self._delegate)
self.initialized = True
class CharModel(QAbstractListModel):
def __init__(self, parent=None):
QAbstractListModel.__init__(self, parent)
self.chars = []
self.allow_dnd = False
def rowCount(self, parent=ROOT):
return len(self.chars)
def data(self, index, role):
if role == Qt.ItemDataRole.UserRole and -1 < index.row() < len(self.chars):
return self.chars[index.row()]
return None
def flags(self, index):
ans = Qt.ItemFlag.ItemIsEnabled
if self.allow_dnd:
ans |= Qt.ItemFlag.ItemIsSelectable
ans |= Qt.ItemFlag.ItemIsDragEnabled if index.isValid() else Qt.ItemFlag.ItemIsDropEnabled
return ans
def supportedDropActions(self):
return Qt.DropAction.MoveAction
def mimeTypes(self):
return ['application/calibre_charcode_indices']
def mimeData(self, indexes):
data = ','.join(str(i.row()) for i in indexes)
md = QMimeData()
md.setData('application/calibre_charcode_indices', data.encode('utf-8'))
return md
def dropMimeData(self, md, action, row, column, parent):
if action != Qt.DropAction.MoveAction or not md.hasFormat('application/calibre_charcode_indices') or row < 0 or column != 0:
return False
indices = list(map(int, bytes(md.data('application/calibre_charcode_indices')).decode('ascii').split(',')))
codes = [self.chars[x] for x in indices]
for x in indices:
self.chars[x] = None
for x in reversed(codes):
self.chars.insert(row, x)
self.beginResetModel()
self.chars = [x for x in self.chars if x is not None]
self.endResetModel()
tprefs['charmap_favorites'] = list(self.chars)
return True
class CharDelegate(QStyledItemDelegate):
def __init__(self, parent=None):
QStyledItemDelegate.__init__(self, parent)
self.item_size = QSize(32, 32)
self.np_pat = re.compile(r'(sp|j|nj|ss|fs|ds)$')
def sizeHint(self, option, index):
return self.item_size
def paint(self, painter, option, index):
QStyledItemDelegate.paint(self, painter, option, index)
try:
charcode = int(index.data(Qt.ItemDataRole.UserRole))
except (TypeError, ValueError):
return
painter.save()
try:
if charcode in non_printing:
self.paint_non_printing(painter, option, charcode)
else:
self.paint_normal(painter, option, charcode)
finally:
painter.restore()
def paint_normal(self, painter, option, charcode):
f = option.font
f.setPixelSize(option.rect.height() - 8)
painter.setFont(f)
painter.drawText(option.rect, Qt.AlignmentFlag.AlignHCenter | Qt.AlignmentFlag.AlignBottom | Qt.TextFlag.TextSingleLine, codepoint_to_chr(charcode))
def paint_non_printing(self, painter, option, charcode):
text = self.np_pat.sub(r'\n\1', non_printing[charcode])
painter.drawText(option.rect, Qt.AlignmentFlag.AlignCenter | Qt.TextFlag.TextWordWrap | Qt.TextFlag.TextWrapAnywhere, text)
painter.setPen(QPen(Qt.PenStyle.DashLine))
painter.drawRect(option.rect.adjusted(1, 1, -1, -1))
class CharView(QListView):
show_name = pyqtSignal(object)
char_selected = pyqtSignal(object)
def __init__(self, parent=None):
self.last_mouse_idx = -1
QListView.__init__(self, parent)
self._model = CharModel(self)
self.setModel(self._model)
self.delegate = CharDelegate(self)
self.setResizeMode(QListView.ResizeMode.Adjust)
self.setItemDelegate(self.delegate)
self.setFlow(QListView.Flow.LeftToRight)
self.setWrapping(True)
self.setMouseTracking(True)
self.setSpacing(2)
self.setUniformItemSizes(True)
self.setContextMenuPolicy(Qt.ContextMenuPolicy.CustomContextMenu)
self.customContextMenuRequested.connect(self.context_menu)
self.showing_favorites = False
set_no_activate_on_click(self)
self.activated.connect(self.item_activated)
self.clicked.connect(self.item_activated)
def item_activated(self, index):
try:
char_code = int(self.model().data(index, Qt.ItemDataRole.UserRole))
except (TypeError, ValueError):
pass
else:
self.char_selected.emit(codepoint_to_chr(char_code))
def set_allow_drag_and_drop(self, enabled):
if not enabled:
self.setDragEnabled(False)
self.viewport().setAcceptDrops(False)
self.setDropIndicatorShown(True)
self._model.allow_dnd = False
else:
self.setSelectionMode(QAbstractItemView.SelectionMode.ExtendedSelection)
self.viewport().setAcceptDrops(True)
self.setDragEnabled(True)
self.setAcceptDrops(True)
self.setDropIndicatorShown(False)
self._model.allow_dnd = True
def show_chars(self, name, codes):
self.showing_favorites = name == _('Favorites')
self._model.beginResetModel()
self._model.chars = codes
self._model.endResetModel()
self.scrollToTop()
def mouseMoveEvent(self, ev):
index = self.indexAt(ev.pos())
if index.isValid():
row = index.row()
if row != self.last_mouse_idx:
self.last_mouse_idx = row
try:
char_code = int(self.model().data(index, Qt.ItemDataRole.UserRole))
except (TypeError, ValueError):
pass
else:
self.show_name.emit(char_code)
self.setCursor(Qt.CursorShape.PointingHandCursor)
else:
self.setCursor(Qt.CursorShape.ArrowCursor)
self.show_name.emit(-1)
self.last_mouse_idx = -1
return QListView.mouseMoveEvent(self, ev)
def context_menu(self, pos):
index = self.indexAt(pos)
if index.isValid():
try:
char_code = int(self.model().data(index, Qt.ItemDataRole.UserRole))
except (TypeError, ValueError):
pass
else:
m = QMenu(self)
m.addAction(QIcon(I('edit-copy.png')), _('Copy %s to clipboard') % codepoint_to_chr(char_code), partial(self.copy_to_clipboard, char_code))
m.addAction(QIcon(I('rating.png')),
(_('Remove %s from favorites') if self.showing_favorites else _('Add %s to favorites')) % codepoint_to_chr(char_code),
partial(self.remove_from_favorites, char_code))
if self.showing_favorites:
m.addAction(_('Restore favorites to defaults'), self.restore_defaults)
m.exec(self.mapToGlobal(pos))
def restore_defaults(self):
del tprefs['charmap_favorites']
self.model().beginResetModel()
self.model().chars = list(tprefs['charmap_favorites'])
self.model().endResetModel()
def copy_to_clipboard(self, char_code):
c = QApplication.clipboard()
c.setText(codepoint_to_chr(char_code))
def remove_from_favorites(self, char_code):
existing = tprefs['charmap_favorites']
if not self.showing_favorites:
if char_code not in existing:
tprefs['charmap_favorites'] = [char_code] + existing
elif char_code in existing:
existing.remove(char_code)
tprefs['charmap_favorites'] = existing
self.model().beginResetModel()
self.model().chars.remove(char_code)
self.model().endResetModel()
class CharSelect(Dialog):
def __init__(self, parent=None):
self.initialized = False
Dialog.__init__(self, _('Insert character'), 'charmap_dialog', parent)
self.setWindowIcon(QIcon(I('character-set.png')))
self.setFocusProxy(parent)
def setup_ui(self):
self.l = l = QGridLayout(self)
self.setLayout(l)
self.bb.setStandardButtons(QDialogButtonBox.StandardButton.Close)
self.rearrange_button = b = self.bb.addButton(_('Re-arrange favorites'), QDialogButtonBox.ButtonRole.ActionRole)
b.setCheckable(True)
b.setChecked(False)
b.setVisible(False)
b.setDefault(True)
self.splitter = s = QSplitter(self)
s.setFocusPolicy(Qt.FocusPolicy.NoFocus)
s.setChildrenCollapsible(False)
self.search = h = HistoryLineEdit2(self)
h.setToolTip(textwrap.fill(_(
'Search for Unicode characters by using the English names or nicknames.'
' You can also search directly using a character code. For example, the following'
' searches will all yield the no-break space character: U+A0, nbsp, no-break')))
h.initialize('charmap_search')
h.setPlaceholderText(_('Search by name, nickname or character code'))
self.search_button = b = QPushButton(_('&Search'))
b.setFocusPolicy(Qt.FocusPolicy.NoFocus)
h.returnPressed.connect(self.do_search)
b.clicked.connect(self.do_search)
self.clear_button = cb = QToolButton(self)
cb.setIcon(QIcon(I('clear_left.png')))
cb.setFocusPolicy(Qt.FocusPolicy.NoFocus)
cb.setText(_('Clear search'))
cb.clicked.connect(self.clear_search)
l.addWidget(h), l.addWidget(b, 0, 1), l.addWidget(cb, 0, 2)
self.category_view = CategoryView(self)
self.category_view.setFocusPolicy(Qt.FocusPolicy.NoFocus)
l.addWidget(s, 1, 0, 1, 3)
self.char_view = CharView(self)
self.char_view.setFocusPolicy(Qt.FocusPolicy.NoFocus)
self.rearrange_button.toggled[bool].connect(self.set_allow_drag_and_drop)
self.category_view.category_selected.connect(self.show_chars)
self.char_view.show_name.connect(self.show_char_info)
self.char_view.char_selected.connect(self.char_selected)
s.addWidget(self.category_view), s.addWidget(self.char_view)
self.char_info = la = QLabel('\xa0')
la.setSizePolicy(QSizePolicy.Policy.Expanding, QSizePolicy.Policy.Fixed)
l.addWidget(la, 2, 0, 1, 3)
self.rearrange_msg = la = QLabel(_(
'Drag and drop characters to re-arrange them. Click the "Re-arrange" button again when you are done.'))
la.setSizePolicy(QSizePolicy.Policy.Expanding, QSizePolicy.Policy.Fixed)
la.setVisible(False)
l.addWidget(la, 3, 0, 1, 3)
self.h = h = QHBoxLayout()
h.setContentsMargins(0, 0, 0, 0)
self.match_any = mm = QCheckBox(_('Match any word'))
mm.setToolTip(_('When searching return characters whose names match any of the specified words'))
mm.setChecked(tprefs.get('char_select_match_any', True))
connect_lambda(mm.stateChanged, self, lambda self: tprefs.set('char_select_match_any', self.match_any.isChecked()))
h.addWidget(mm), h.addStretch(), h.addWidget(self.bb)
l.addLayout(h, 4, 0, 1, 3)
self.char_view.setFocus(Qt.FocusReason.OtherFocusReason)
def do_search(self):
text = str(self.search.text()).strip()
if not text:
return self.clear_search()
with BusyCursor():
chars = search_for_chars(text, and_tokens=not self.match_any.isChecked())
self.show_chars(_('Search'), chars)
def clear_search(self):
self.search.clear()
self.category_view.get_chars()
def set_allow_drag_and_drop(self, on):
self.char_view.set_allow_drag_and_drop(on)
self.rearrange_msg.setVisible(on)
def show_chars(self, name, codes):
b = self.rearrange_button
b.setVisible(name == _('Favorites'))
b.blockSignals(True)
b.setChecked(False)
b.blockSignals(False)
self.char_view.show_chars(name, codes)
self.char_view.set_allow_drag_and_drop(False)
def initialize(self):
if not self.initialized:
self.category_view.initialize()
def sizeHint(self):
return QSize(800, 600)
def show_char_info(self, char_code):
if char_code > 0:
category_name, subcategory_name, character_name = self.category_view.model().get_char_info(char_code)
self.char_info.setText(f'{category_name} - {subcategory_name} - {character_name} (U+{char_code:04X})')
else:
self.char_info.clear()
def show(self):
self.initialize()
Dialog.show(self)
self.raise_()
def char_selected(self, c):
if QApplication.keyboardModifiers() & Qt.KeyboardModifier.ControlModifier:
self.hide()
if self.parent() is None or self.parent().focusWidget() is None:
QApplication.clipboard().setText(c)
return
self.parent().activateWindow()
w = self.parent().focusWidget()
e = QInputMethodEvent('', [])
e.setCommitString(c)
if hasattr(w, 'no_popup'):
oval = w.no_popup
w.no_popup = True
QApplication.sendEvent(w, e)
if hasattr(w, 'no_popup'):
w.no_popup = oval
if __name__ == '__main__':
from calibre.gui2 import Application
app = Application([])
w = CharSelect()
w.initialize()
w.show()
app.exec()
Zerion Mini Shell 1.0