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Better handling of image alignment change on right click

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Kovid Goyal 2023-09-06 11:41:45 +05:30
parent 9240af7d40
commit 705c174271
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1 changed files with 35 additions and 20 deletions
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55
src/calibre/gui2/comments_editor.py
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@ -16,7 +16,7 @@ from qt.core import (
QKeySequence, QLabel, QLineEdit, QMenu, QPalette, QPlainTextEdit, QPushButton,
QSize, QSyntaxHighlighter, Qt, QTabWidget, QTextBlockFormat, QTextCharFormat,
QTextCursor, QTextEdit, QTextFormat, QTextFrameFormat, QTextListFormat, QTimer,
QToolButton, QUrl, QVBoxLayout, QWidget, pyqtSignal, pyqtSlot,
QToolButton, QUrl, QVBoxLayout, QWidget, pyqtSignal, pyqtSlot, QPointF, QTextDocument
)
from calibre import xml_replace_entities
@ -909,27 +909,42 @@ class EditorWidget(QTextEdit, LineEditECM): # {{{
c.deleteChar()
c.insertImage(fmt.toImageFormat(), alignment)
def first_image_replacement_char_position_for(self, image_name):
d = self.document()
c = self.textCursor()
c.setPosition(0)
while True:
c = d.find('\ufffc', c, QTextDocument.FindFlag.FindCaseSensitively)
if c.isNull():
break
fmt = c.charFormat()
if fmt.isImageFormat() and fmt.toImageFormat().name() == image_name:
return c.position()
return -1
def contextMenuEvent(self, ev):
menu = QMenu(self)
# unfortunately there appears to be no way to get the image under the
# mouse for floating images.
c = self.cursorForPosition(ev.pos())
fmt = c.charFormat()
if fmt.isImageFormat() and c.currentFrame():
cf = c.currentFrame().childFrames()
pos = QTextFrameFormat.Position.InFlow
if len(cf) == 1:
pos = cf[0].frameFormat().position()
align_menu = menu.addMenu(QIcon.ic('view-image.png'), _('Change image alignment...'))
def a(text, epos):
ac = align_menu.addAction(text)
ac.setCheckable(True)
ac.triggered.connect(partial(self.align_image_at, c.position(), epos))
if pos == epos:
ac.setChecked(True)
a(_('Float to the left'), QTextFrameFormat.Position.FloatLeft)
a(_('Inline with text'), QTextFrameFormat.Position.InFlow)
a(_('Float to the right'), QTextFrameFormat.Position.FloatRight)
img_name = self.document().documentLayout().imageAt(QPointF(ev.pos()))
if img_name:
pos = self.first_image_replacement_char_position_for(img_name)
if pos > -1:
c = self.textCursor()
c.clearSelection()
c.setPosition(pos)
cf = c.currentFrame().childFrames()
pos = QTextFrameFormat.Position.InFlow
if len(cf) == 1:
pos = cf[0].frameFormat().position()
align_menu = menu.addMenu(QIcon.ic('view-image.png'), _('Change image alignment...'))
def a(text, epos):
ac = align_menu.addAction(text)
ac.setCheckable(True)
ac.triggered.connect(partial(self.align_image_at, c.position(), epos))
if pos == epos:
ac.setChecked(True)
a(_('Float to the left'), QTextFrameFormat.Position.FloatLeft)
a(_('Inline with text'), QTextFrameFormat.Position.InFlow)
a(_('Float to the right'), QTextFrameFormat.Position.FloatRight)
for ac in 'undo redo -- cut copy paste paste_and_match_style -- select_all'.split():
if ac == '--':
menu.addSeparator()