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Workaround Qt replacing nbsp with normal scape on copy

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Kovid Goyal 2013-12-08 23:00:43 +05:30
parent 4f5469e42d
commit ccd2fc524c
1 changed files with 37 additions and 4 deletions
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41
src/calibre/gui2/tweak_book/editor/text.py
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@ -11,8 +11,9 @@ from future_builtins import map
import regex import regex
from PyQt4.Qt import ( from PyQt4.Qt import (
QPlainTextEdit, QFontDatabase, QToolTip, QPalette, QFont, QPlainTextEdit, QFontDatabase, QToolTip, QPalette, QFont, QKeySequence,
QTextEdit, QTextFormat, QWidget, QSize, QPainter, Qt, QRect) QTextEdit, QTextFormat, QWidget, QSize, QPainter, Qt, QRect, pyqtSlot,
QApplication, QMimeData)
from calibre.gui2.tweak_book import tprefs from calibre.gui2.tweak_book import tprefs
from calibre.gui2.tweak_book.editor import SYNTAX_PROPERTY from calibre.gui2.tweak_book.editor import SYNTAX_PROPERTY
@ -60,6 +61,7 @@ class TextEdit(QPlainTextEdit):
self.setMouseTracking(True) self.setMouseTracking(True)
self.cursorPositionChanged.connect(self.highlight_cursor_line) self.cursorPositionChanged.connect(self.highlight_cursor_line)
self.blockCountChanged[int].connect(self.update_line_number_area_width) self.blockCountChanged[int].connect(self.update_line_number_area_width)
self.selectionChanged.connect(self.selection_changed)
self.updateRequest.connect(self.update_line_number_area) self.updateRequest.connect(self.update_line_number_area)
self.syntax = None self.syntax = None
@ -75,7 +77,7 @@ class TextEdit(QPlainTextEdit):
@property @property
def selected_text(self): def selected_text(self):
return unicodedata.normalize('NFC', unicode(self.textCursor().selectedText())) return unicodedata.normalize('NFC', unicode(self.textCursor().selectedText()).replace(PARAGRAPH_SEPARATOR, '\n'))
def sizeHint(self): def sizeHint(self):
return self.size_hint return self.size_hint
@ -134,6 +136,30 @@ class TextEdit(QPlainTextEdit):
c.movePosition(c.End, c.KeepAnchor) c.movePosition(c.End, c.KeepAnchor)
return c.selectedText().replace(PARAGRAPH_SEPARATOR, '\n') return c.selectedText().replace(PARAGRAPH_SEPARATOR, '\n')
@pyqtSlot()
def copy(self):
# Workaround Qt replacing nbsp with normal spaces on copy
c = self.textCursor()
if not c.hasSelection():
return
md = QMimeData()
md.setText(self.selected_text)
QApplication.clipboard().setMimeData(md)
@pyqtSlot()
def cut(self):
# Workaround Qt replacing nbsp with normal spaces on copy
self.copy()
self.textCursor().removeSelectedText()
def selection_changed(self):
# Workaround Qt replacing nbsp with normal spaces on copy
clipboard = QApplication.clipboard()
if clipboard.supportsSelection() and self.textCursor().hasSelection():
md = QMimeData()
md.setText(self.selected_text)
clipboard.setMimeData(md, clipboard.Selection)
def load_text(self, text, syntax='html', process_template=False): def load_text(self, text, syntax='html', process_template=False):
self.highlighter = {'html':HTMLHighlighter, 'css':CSSHighlighter, 'xml':XMLHighlighter}.get(syntax, SyntaxHighlighter)(self) self.highlighter = {'html':HTMLHighlighter, 'css':CSSHighlighter, 'xml':XMLHighlighter}.get(syntax, SyntaxHighlighter)(self)
self.highlighter.apply_theme(self.theme) self.highlighter.apply_theme(self.theme)
@ -387,13 +413,20 @@ class TextEdit(QPlainTextEdit):
num += 1 num += 1
# }}} # }}}
# Tooltips {{{
def event(self, ev): def event(self, ev):
if ev.type() == ev.ToolTip: if ev.type() == ev.ToolTip:
self.show_tooltip(ev) self.show_tooltip(ev)
return True return True
if ev.type() == ev.ShortcutOverride and ev in (
QKeySequence.Copy, QKeySequence.Cut, QKeySequence.Paste):
# Let the global cut/copy/paste shortcuts work,this avoids the nbsp
# problem as well, since they use the overridden copy() method
# instead of the one from Qt
ev.ignore()
return False
return QPlainTextEdit.event(self, ev) return QPlainTextEdit.event(self, ev)
# Tooltips {{{
def syntax_format_for_cursor(self, cursor): def syntax_format_for_cursor(self, cursor):
if cursor.isNull(): if cursor.isNull():
return return