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Implement text-indent

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Kovid Goyal 2019-07-01 17:33:07 +05:30
parent badb775611
commit 5cba1261f5
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1 changed files with 15 additions and 6 deletions
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21
src/calibre/gui2/comments_editor.py
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@ -11,11 +11,11 @@
from lxml import html
from PyQt5.Qt import (
QAction, QApplication, QBrush, QByteArray, QCheckBox, QColor, QColorDialog,
QDialog, QDialogButtonBox, QFontInfo, QFormLayout, QHBoxLayout, QIcon,
QKeySequence, QLabel, QLineEdit, QTextListFormat, QMenu, QPlainTextEdit, QPushButton,
QDialog, QDialogButtonBox, QFontInfo, QFontMetrics, QFormLayout, QHBoxLayout,
QIcon, QKeySequence, QLabel, QLineEdit, QMenu, QPlainTextEdit, QPushButton,
QSize, QSyntaxHighlighter, Qt, QTabWidget, QTextBlockFormat, QTextCharFormat,
QTextCursor, QTextEdit, QToolBar, QUrl, QVBoxLayout, QWidget, pyqtSignal,
pyqtSlot
QTextCursor, QTextEdit, QTextListFormat, QToolBar, QUrl, QVBoxLayout, QWidget,
pyqtSignal, pyqtSlot
)
from calibre import prepare_string_for_xml, xml_replace_entities
@ -48,6 +48,8 @@ def __init__(self, parent=None):
if delta:
font.setPixelSize(f.pixelSize() + delta)
self.setFont(font)
f = QFontMetrics(self.font())
self.em_size = f.horizontalAdvance('m')
self.base_url = None
self._parent = weakref.ref(parent)
self.comments_pat = re.compile(r'<!--.*?-->', re.DOTALL)
@ -254,11 +256,18 @@ def do_cut(self):
self.cut()
self.focus_self()
def indent_block(self, mult=1):
c = self.textCursor()
bf = c.blockFormat()
bf.setTextIndent(bf.textIndent() + 2 * self.em_size * mult)
c.setBlockFormat(bf)
self.setTextCursor(c)
def do_indent(self):
raise NotImplementedError('TODO')
self.indent_block()
def do_outdent(self):
raise NotImplementedError('TODO')
self.indent_block(-1)
def do_select_all(self):
c = self.textCursor()