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Paint the non printing characters using aliases

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This commit is contained in:
Kovid Goyal 2014-01-06 13:10:30 +05:30
parent fb7118814f
commit e3b0de4829
1 changed files with 32 additions and 9 deletions
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41
src/calibre/gui2/tweak_book/char_select.py
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@ -6,12 +6,12 @@ from __future__ import (unicode_literals, division, absolute_import,
__license__ = 'GPL v3' __license__ = 'GPL v3'
__copyright__ = '2014, Kovid Goyal <kovid at kovidgoyal.net>' __copyright__ = '2014, Kovid Goyal <kovid at kovidgoyal.net>'
import unicodedata import unicodedata, re
from bisect import bisect from bisect import bisect
from PyQt4.Qt import ( from PyQt4.Qt import (
QAbstractItemModel, QModelIndex, Qt, QVariant, pyqtSignal, QApplication, QAbstractItemModel, QModelIndex, Qt, QVariant, pyqtSignal, QApplication,
QTreeView, QSize, QGridLayout, QAbstractListModel, QListView, QTreeView, QSize, QGridLayout, QAbstractListModel, QListView, QPen,
QStyledItemDelegate, QSplitter, QLabel, QSizePolicy, QIcon) QStyledItemDelegate, QSplitter, QLabel, QSizePolicy, QIcon)
from calibre.constants import ispy3, plugins from calibre.constants import ispy3, plugins
@ -23,6 +23,14 @@ if not ispy3:
chr = unichr chr = unichr
ROOT = QModelIndex() 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',
}
class CategoryModel(QAbstractItemModel): class CategoryModel(QAbstractItemModel):
def __init__(self, parent=None): def __init__(self, parent=None):
@ -303,7 +311,7 @@ class CategoryModel(QAbstractItemModel):
(_('Japanese Chess'), (0x2616, 0x2617)), (_('Japanese Chess'), (0x2616, 0x2617)),
(_('Mahjong Tiles'), (0x1F000, 0x1F02F)), (_('Mahjong Tiles'), (0x1F000, 0x1F02F)),
(_('Playing Cards'), (0x1F0A0, 0x1F0FF)), (_('Playing Cards'), (0x1F0A0, 0x1F0FF)),
(_('Playing Cards'), (0x2660, 0x2667)), (_('Playing Card Suits'), (0x2660, 0x2667)),
)), )),
(_('Other Symbols'), ( (_('Other Symbols'), (
@ -460,6 +468,9 @@ class CharModel(QAbstractListModel):
return QVariant(self.chars[index.row()]) return QVariant(self.chars[index.row()])
return NONE return NONE
def flags(self, index):
return Qt.ItemIsEnabled
class CharDelegate(QStyledItemDelegate): class CharDelegate(QStyledItemDelegate):
def __init__(self, parent=None): def __init__(self, parent=None):
@ -474,16 +485,27 @@ class CharDelegate(QStyledItemDelegate):
charcode, ok = index.data(Qt.UserRole).toInt() charcode, ok = index.data(Qt.UserRole).toInt()
if not ok: if not ok:
return return
char = chr(charcode)
painter.save() painter.save()
try: try:
f = option.font if charcode in non_printing:
f.setPixelSize(self.item_size.height() - 8) self.paint_non_printing(painter, option, charcode)
painter.setFont(f) else:
painter.drawText(option.rect, Qt.AlignHCenter | Qt.AlignBottom | Qt.TextSingleLine, char) self.paint_normal(painter, option, charcode)
finally: finally:
painter.restore() 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.AlignHCenter | Qt.AlignBottom | Qt.TextSingleLine, chr(charcode))
def paint_non_printing(self, painter, option, charcode):
text = re.sub(r'(sp|j|nj|ss|fs|ds)$', r'\n\1', non_printing[charcode])
painter.drawText(option.rect, Qt.AlignCenter | Qt.TextWordWrap | Qt.TextWrapAnywhere, text)
painter.setPen(QPen(Qt.DashLine))
painter.drawRect(option.rect)
class CharView(QListView): class CharView(QListView):
show_name = pyqtSignal(object) show_name = pyqtSignal(object)
@ -499,6 +521,7 @@ class CharView(QListView):
self.setWrapping(True) self.setWrapping(True)
self.setMouseTracking(True) self.setMouseTracking(True)
self.setSpacing(2) self.setSpacing(2)
self.setUniformItemSizes(True)
self.setCursor(Qt.PointingHandCursor) self.setCursor(Qt.PointingHandCursor)
def show_chars(self, name, codes): def show_chars(self, name, codes):
@ -557,7 +580,7 @@ class CharSelect(Dialog):
def show_char_info(self, char_code): def show_char_info(self, char_code):
if char_code > 0: if char_code > 0:
category_name, subcategory_name, character_name = self.category_view.model().get_char_info(char_code) category_name, subcategory_name, character_name = self.category_view.model().get_char_info(char_code)
self.char_info.setText('%s - %s - %s (U+%s)' % (category_name, subcategory_name, character_name, hex(char_code))) self.char_info.setText('%s - %s - %s (%04X)' % (category_name, subcategory_name, character_name, char_code))
else: else:
self.char_info.clear() self.char_info.clear()