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Displaying characters works (apart from non-printable chars)
This commit is contained in:
Kovid Goyal
parent
a06038f078
commit
fb7118814f
@ -6,14 +6,18 @@ from __future__ import (unicode_literals, division, absolute_import,
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__license__ = 'GPL v3'
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__copyright__ = '2014, Kovid Goyal <kovid at kovidgoyal.net>'
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import unicodedata
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from bisect import bisect
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from PyQt4.Qt import (
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QAbstractItemModel, QModelIndex, Qt, QVariant, pyqtSignal, QApplication,
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QTreeView, QSize, QGridLayout)
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QTreeView, QSize, QGridLayout, QAbstractListModel, QListView,
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QStyledItemDelegate, QSplitter, QLabel, QSizePolicy, QIcon)
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from calibre.constants import ispy3, plugins
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from calibre.gui2 import NONE
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from calibre.gui2.tweak_book import tprefs
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from calibre.gui2.tweak_book.insert_resource import Dialog
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from calibre.gui2.tweak_book.editor.insert_resource import Dialog
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if not ispy3:
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chr = unichr
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@ -184,10 +188,10 @@ class CategoryModel(QAbstractItemModel):
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(_('East Asian Scripts'), (
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(_('Bopomofo'), (0x3100, 0x312F)),
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(_('Bopomofo Extended'), (0x31A0, 0x31BF)),
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(_('CJK Unified Ideographs (big!)'), (0x4E00, 0x9FFF)),
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(_('CJK Unified Ideographs Extension-A (big!)'), (0x3400, 0x4DBF)),
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(_('CJK Unified Ideographs Extension B (big!)'), (0x20000, 0x2A6DF)),
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(_('CJK Unified Ideographs Extension C (big!)'), (0x2A700, 0x2B73F)),
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(_('CJK Unified Ideographs'), (0x4E00, 0x9FFF)),
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(_('CJK Unified Ideographs Extension-A'), (0x3400, 0x4DBF)),
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(_('CJK Unified Ideographs Extension B'), (0x20000, 0x2A6DF)),
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(_('CJK Unified Ideographs Extension C'), (0x2A700, 0x2B73F)),
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(_('CJK Unified Ideographs Extension D'), (0x2B740, 0x2B81F)),
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(_('CJK Compatibility Ideographs'), (0xF900, 0xFAFF)),
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(_('CJK Compatibility Ideographs Supplement'), (0x2F800, 0x2FA1F)),
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@ -201,7 +205,7 @@ class CategoryModel(QAbstractItemModel):
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(_('Kana Supplement'), (0x1B000, 0x1B0FF)),
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(_('Halfwidth Katakana'), (0xFF65, 0xFF9F)),
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(_('Kanbun'), (0x3190, 0x319F)),
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(_('Hangul Syllables (big!)'), (0xAC00, 0xD7AF)),
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(_('Hangul Syllables'), (0xAC00, 0xD7AF)),
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(_('Hangul Jamo'), (0x1100, 0x11FF)),
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(_('Hangul Jamo Extended-A'), (0xA960, 0xA97F)),
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(_('Hangul Jamo Extended-B'), (0xD7B0, 0xD7FF)),
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@ -328,6 +332,17 @@ class CategoryModel(QAbstractItemModel):
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)),
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) # }}}
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self.category_map = {}
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self.starts = []
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for tlname, items in self.categories[1:]:
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for name, (start, end) in items:
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self.category_map[start] = (tlname, name)
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self.starts.append(start)
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self.starts.sort()
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self.bold_font = f = QApplication.font()
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f.setBold(True)
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self.fav_icon = QIcon(I('rating.png'))
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def columnCount(self, parent=ROOT):
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return 1
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@ -363,6 +378,10 @@ class CategoryModel(QAbstractItemModel):
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if pid == 0:
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if role == Qt.DisplayRole:
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return QVariant(self.categories[index.row()][0])
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if role == Qt.FontRole:
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return QVariant(self.bold_font)
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if role == Qt.DecorationRole and index.row() == 0:
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return QVariant(self.fav_icon)
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else:
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if role == Qt.DisplayRole:
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item = self.categories[pid - 1][1][index.row()]
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@ -379,6 +398,25 @@ class CategoryModel(QAbstractItemModel):
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item = self.categories[pid - 1][1][index.row()]
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return (item[0], list(xrange(item[1][0], item[1][1] + 1)))
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def get_char_info(self, char_code):
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ipos = bisect(self.starts, char_code) - 1
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try:
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category, subcategory = self.category_map[self.starts[ipos]]
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except IndexError:
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category = subcategory = _('Unknown')
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return category, subcategory, unicodedata.name(chr(char_code), _('Unknown'))
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class CategoryDelegate(QStyledItemDelegate):
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def __init__(self, parent=None):
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QStyledItemDelegate.__init__(self, parent)
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def sizeHint(self, option, index):
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ans = QStyledItemDelegate.sizeHint(self, option, index)
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if not index.parent().isValid():
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ans += QSize(0, 6)
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return ans
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class CategoryView(QTreeView):
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category_selected = pyqtSignal(object, object)
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@ -386,6 +424,7 @@ class CategoryView(QTreeView):
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def __init__(self, parent=None):
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QTreeView.__init__(self, parent)
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self.setHeaderHidden(True)
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self.setAnimated(True)
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self.activated.connect(self.item_activated)
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self.clicked.connect(self.item_activated)
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pi = plugins['progress_indicator'][0]
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@ -402,8 +441,86 @@ class CategoryView(QTreeView):
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if not self.initialized:
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self._model = m = CategoryModel(self)
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self.setModel(m)
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self.item_activated(m.index(0, 0))
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self._delegate = CategoryDelegate(self)
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self.setItemDelegate(self._delegate)
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self.initialized = True
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class CharModel(QAbstractListModel):
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def __init__(self, parent=None):
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QAbstractListModel.__init__(self, parent)
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self.chars = []
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def rowCount(self, parent=ROOT):
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return len(self.chars)
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def data(self, index, role):
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if role == Qt.UserRole and -1 < index.row() < len(self.chars):
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return QVariant(self.chars[index.row()])
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return NONE
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class CharDelegate(QStyledItemDelegate):
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def __init__(self, parent=None):
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QStyledItemDelegate.__init__(self, parent)
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self.item_size = QSize(32, 32)
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def sizeHint(self, option, index):
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return self.item_size
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def paint(self, painter, option, index):
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QStyledItemDelegate.paint(self, painter, option, index)
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charcode, ok = index.data(Qt.UserRole).toInt()
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if not ok:
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return
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char = chr(charcode)
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painter.save()
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try:
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f = option.font
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f.setPixelSize(self.item_size.height() - 8)
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painter.setFont(f)
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painter.drawText(option.rect, Qt.AlignHCenter | Qt.AlignBottom | Qt.TextSingleLine, char)
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finally:
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painter.restore()
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class CharView(QListView):
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show_name = pyqtSignal(object)
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def __init__(self, parent=None):
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self.last_mouse_idx = -1
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QListView.__init__(self, parent)
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self._model = CharModel(self)
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self.setModel(self._model)
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self.delegate = CharDelegate(self)
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self.setItemDelegate(self.delegate)
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self.setFlow(self.LeftToRight)
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self.setWrapping(True)
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self.setMouseTracking(True)
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self.setSpacing(2)
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self.setCursor(Qt.PointingHandCursor)
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def show_chars(self, name, codes):
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self._model.chars = codes
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self._model.reset()
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self.scrollToTop()
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def mouseMoveEvent(self, ev):
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index = self.indexAt(ev.pos())
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if index.isValid():
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row = index.row()
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if row != self.last_mouse_idx:
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self.last_mouse_idx = row
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char_code, ok = self.model().data(index, Qt.UserRole).toInt()
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if ok:
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self.show_name.emit(char_code)
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self.setCursor(Qt.PointingHandCursor)
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else:
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self.setCursor(Qt.ArrowCursor)
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self.show_name.emit(-1)
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self.last_mouse_idx = -1
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class CharSelect(Dialog):
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def __init__(self, parent=None):
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@ -415,8 +532,19 @@ class CharSelect(Dialog):
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self.setLayout(l)
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self.bb.setStandardButtons(self.bb.Close)
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self.splitter = s = QSplitter(self)
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s.setChildrenCollapsible(False)
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self.category_view = CategoryView(self)
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l.addWidget(self.category_view)
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l.addWidget(s)
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self.char_view = CharView(self)
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self.category_view.category_selected.connect(self.char_view.show_chars)
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self.char_view.show_name.connect(self.show_char_info)
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s.addWidget(self.category_view), s.addWidget(self.char_view)
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self.char_info = la = QLabel('\xa0')
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la.setSizePolicy(QSizePolicy.Expanding, QSizePolicy.Fixed)
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l.addWidget(la)
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l.addWidget(self.bb)
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def initialize(self):
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@ -426,6 +554,13 @@ class CharSelect(Dialog):
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def sizeHint(self):
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return QSize(800, 600)
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def show_char_info(self, char_code):
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if char_code > 0:
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category_name, subcategory_name, character_name = self.category_view.model().get_char_info(char_code)
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self.char_info.setText('%s - %s - %s (U+%s)' % (category_name, subcategory_name, character_name, hex(char_code)))
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else:
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self.char_info.clear()
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def show(self):
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self.initialize()
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Dialog.show(self)
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