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Add a right click context menu action to copy selected text

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This commit is contained in:
Kovid Goyal 2014-01-25 13:30:32 +05:30
parent e61ee4b510
commit 183048d01a
1 changed files with 17 additions and 2 deletions
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19
src/calibre/gui2/tweak_book/diff.py
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@ -18,7 +18,7 @@ from PyQt4.Qt import (
QTextCursor, QTextCharFormat, Qt, QRect, QPainter, QPalette, QPen,
QBrush, QColor, QTextLayout, QCursor, QFont, QSplitterHandle, QStyle,
QPainterPath, QHBoxLayout, QWidget, QScrollBar, QEventLoop, pyqtSignal,
QImage, QPixmap)
QImage, QPixmap, QMenu, QIcon)
from calibre import human_readable, fit_image
from calibre.ebooks.oeb.polish.utils import guess_type
@ -51,6 +51,8 @@ class TextBrowser(PlainTextEdit): # {{{
def __init__(self, right=False, parent=None):
PlainTextEdit.__init__(self, parent)
self.setContextMenuPolicy(Qt.CustomContextMenu)
self.customContextMenuRequested.connect(self.show_context_menu)
self.setFocusPolicy(Qt.NoFocus)
self.right = right
self.setReadOnly(True)
@ -106,6 +108,15 @@ class TextBrowser(PlainTextEdit): # {{{
f.setBackground(self.diff_backgrounds[x])
setattr(self, '%s_format' % x, f)
def show_context_menu(self, pos):
m = QMenu(self)
a = m.addAction
i = unicode(self.textCursor().selectedText())
if i:
a(QIcon(I('edit-copy.png')), _('Copy to clipboard'), self.copy)
if len(m.actions()) > 0:
m.exec_(self.mapToGlobal(pos))
def clear(self):
PlainTextEdit.clear(self)
self.line_number_map.clear()
@ -425,6 +436,7 @@ class DiffSplit(QSplitter): # {{{
left_text, right_text = text % human_readable(len(left_text)), text % human_readable(len(right_text))
self.add_text_diff(left_text, right_text, None, None)
# image diffs {{{
@property
def failed_img(self):
if self._failed_img is None:
@ -455,7 +467,7 @@ class DiffSplit(QSplitter): # {{{
left_img, right_img = load(left_data), load(right_data)
change = []
# Let any initial resizing of the window finish in case this is the
# first diff, to avoid expensize resize calculation later
# first diff, to avoid the expensive resize calculation later
QApplication.processEvents(QEventLoop.ExcludeUserInputEvents | QEventLoop.ExcludeSocketNotifiers)
for v, img, size in ((self.left, left_img, len(left_data)), (self.right, right_img, len(right_data))):
c = v.textCursor()
@ -516,7 +528,9 @@ class DiffSplit(QSplitter): # {{{
scaled, w, h = fit_image(w, h, view.width() - 5, int(0.9 * view.height()))
line_height = view.blockBoundingRect(view.document().begin()).height()
return int(ceil(h / line_height)) + 1, w
# }}}
# text diffs {{{
def add_text_diff(self, left_text, right_text, context, syntax):
left_text = unicodedata.normalize('NFC', left_text)
right_text = unicodedata.normalize('NFC', right_text)
@ -713,6 +727,7 @@ class DiffSplit(QSplitter): # {{{
if fmts:
block.layout().setAdditionalFormats(fmts)
# }}}
# }}}
class DiffView(QWidget): # {{{