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Edit Book: When insert an image into the current document, add a button to paste the image from the clipboard

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Kovid Goyal 2015-11-09 16:41:12 +05:30
parent a0c0a3ffbb
commit d1a1706dff
1 changed files with 26 additions and 1 deletions
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27
src/calibre/gui2/tweak_book/editor/insert_resource.py
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@ -20,11 +20,12 @@ from calibre import fit_image
from calibre.constants import plugins
from calibre.ebooks.metadata import string_to_authors
from calibre.ebooks.metadata.book.base import Metadata
from calibre.gui2 import choose_files, error_dialog
from calibre.gui2 import choose_files, error_dialog, pixmap_to_data
from calibre.gui2.languages import LanguagesEdit
from calibre.gui2.tweak_book import current_container, tprefs
from calibre.gui2.tweak_book.widgets import Dialog
from calibre.gui2.tweak_book.file_list import name_is_ok
from calibre.ptempfile import PersistentTemporaryFile
from calibre.utils.localization import get_lang, canonicalize_lang
from calibre.utils.icu import sort_key
@ -239,6 +240,10 @@ class InsertImage(Dialog):
b.clicked.connect(self.import_image)
b.setIcon(QIcon(I('view-image.png')))
b.setToolTip(_('Import an image from elsewhere in your computer'))
b = self.paste_button = self.bb.addButton(_('&Paste image'), self.bb.ActionRole)
b.clicked.connect(self.paste_image)
b.setIcon(QIcon(I('edit-paste.png')))
b.setToolTip(_('Paste an image from the clipboard'))
def refresh(self):
self.d.cover_cache.clear()
@ -257,6 +262,26 @@ class InsertImage(Dialog):
self.accept()
self.chosen_image_is_external = (d.filename, path)
def paste_image(self):
c = QApplication.instance().clipboard()
img = c.image()
if img.isNull():
img = c.image(c.Selection)
if img.isNull():
return error_dialog(self, _('No image'), _(
'There is no image on the clipboard'), show=True)
d = ChooseName('image.jpg', self)
if d.exec_() == d.Accepted and d.filename:
fmt = d.filename.rpartition('.')[-1].lower()
if fmt not in {'jpg', 'jpeg', 'png'}:
return error_dialog(self, _('Invalid file extension'), _(
'The file name you choose must have a .jpg or .png extension'), show=True)
t = PersistentTemporaryFile(prefix='editor-paste-image-', suffix='.' + fmt)
t.write(pixmap_to_data(img, fmt))
t.close()
self.chosen_image_is_external = (d.filename, t.name)
self.accept()
def pressed(self, index):
if QApplication.mouseButtons() & Qt.LeftButton:
self.activated(index)