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first try to motion to PyQt6

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This commit is contained in:
Dominik Demuth
2024-10-10 19:22:57 +02:00
parent 24f20f8850
commit 837ea2504c
134 changed files with 473 additions and 11464 deletions
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148
src/gui_qt/editors/codeeditor.py
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@ -1,7 +1,10 @@
# CodeEditor based on QT example, Python syntax highlighter found on Python site
import enum
import typing
from ast import parse
from PyQt5.QtGui import QTextCharFormat
from ..Qt import QtGui, QtCore, QtWidgets
@ -14,7 +17,7 @@ def _make_textformats(color, style=''):
_format = QtGui.QTextCharFormat()
_format.setForeground(_color)
if 'bold' in style:
_format.setFontWeight(QtGui.QFont.Bold)
_format.setFontWeight(QtGui.QFont.Weight.Bold)
if 'italic' in style:
_format.setFontItalic(True)
@ -22,17 +25,17 @@ def _make_textformats(color, style=''):
# Syntax styles that can be shared by all languages
STYLES = {
'keyword': _make_textformats('blue'),
'operator': _make_textformats('black'),
'brace': _make_textformats('black'),
'defclass': _make_textformats('black', 'bold'),
'string': _make_textformats('darkGreen'),
'comment': _make_textformats('gray', 'italic'),
'self': _make_textformats('brown', 'italic'),
'property': _make_textformats('brown'),
'numbers': _make_textformats('darkRed'),
}
class CodeStyle(enum.Enum):
KEYWORD = _make_textformats('blue')
OPERATOR = _make_textformats('black')
BRACE = _make_textformats('black')
CLASS_DEFINE = _make_textformats('black', 'bold')
STRING = _make_textformats('darkGreen')
COMMENT = _make_textformats('gray', 'italic')
SELF = _make_textformats('brown', 'italic')
PROPERTY = _make_textformats('brown')
NUMBER = _make_textformats('darkRed')
class PythonHighlighter(QtGui.QSyntaxHighlighter):
@ -55,43 +58,43 @@ class PythonHighlighter(QtGui.QSyntaxHighlighter):
# Multi-line strings (expression, flag, style)
# FIXME: The triple-quotes in these two lines will mess up the
# syntax highlighting from this point onward
self.tri_single = (QtCore.QRegExp("r'{3}"), 1, STYLES['string'])
self.tri_double = (QtCore.QRegExp('r?"{3}'), 2, STYLES['string'])
self.tri_single = (QtCore.QRegularExpression("r'{3}"), 1, CodeStyle.STRING.value)
self.tri_double = (QtCore.QRegularExpression('r?"{3}'), 2, CodeStyle.STRING.value)
rules = []
# Keyword, operator, and brace rules
rules += [(rf'\b{w}\b', 0, STYLES['keyword']) for w in PythonHighlighter.keywords]
rules += [(rf'\b{w}\b', 0, CodeStyle.KEYWORD.value) for w in PythonHighlighter.keywords]
# Other rules
rules += [
# 'self'
(r'\bself\b', 0, STYLES['self']),
(r'\bself\b', 0, CodeStyle.SELF.value),
# 'def' followed by an identifier
(r'\bdef\b\s*(\w+)', 1, STYLES['defclass']),
(r'\bdef\b\s*(\w+)', 1, CodeStyle.CLASS_DEFINE.value),
# 'class' followed by an identifier
(r'\bclass\b\s*(\w+)', 1, STYLES['defclass']),
(r'\bclass\b\s*(\w+)', 1, CodeStyle.CLASS_DEFINE.value),
# decorator @ followed by a word
(r'\s*@(\w+)\s*', 0, STYLES['property']),
(r'\s*@(\w+)\s*', 0, CodeStyle.PROPERTY.value),
# Numeric literals
(r'\b[+-]?\d+[lL]?\b', 0, STYLES['numbers']),
(r'\b[+-]?0[xX][\dA-Fa-f]+[lL]?\b', 0, STYLES['numbers']),
(r'\b[+-]?\d+(?:\.\d+)?(?:[eE][+-]?\d+)?\b', 0, STYLES['numbers']),
(r'\b[+-]?\d+[lL]?\b', 0, CodeStyle.NUMBER.value),
(r'\b[+-]?0[xX][\dA-Fa-f]+[lL]?\b', 0, CodeStyle.NUMBER.value),
(r'\b[+-]?\d+(?:\.\d+)?(?:[eE][+-]?\d+)?\b', 0, CodeStyle.NUMBER.value),
# Double-quoted string, possibly containing escape sequences
(r'[rf]?"[^"\\]*(\\.[^"\\]*)*"', 0, STYLES['string']),
(r'[rf]?"[^"\\]*(\\.[^"\\]*)*"', 0, CodeStyle.STRING.value),
# Single-quoted string, possibly containing escape sequences
(r"[rf]?'[^'\\]*(\\.[^'\\]*)*'", 0, STYLES['string']),
(r"[rf]?'[^'\\]*(\\.[^'\\]*)*'", 0, CodeStyle.STRING.value),
# From '#' until a newline
(r'#[^\n]*', 0, STYLES['comment']),
(r'#[^\n]*', 0, CodeStyle.COMMENT.value),
]
# Build a QRegExp for each pattern
self.rules = [(QtCore.QRegExp(pat), index, fmt) for (pat, index, fmt) in rules]
self.rules = [(QtCore.QRegularExpression(pat), index, fmt) for (pat, index, fmt) in rules]
def highlightBlock(self, text):
"""
@ -99,14 +102,12 @@ class PythonHighlighter(QtGui.QSyntaxHighlighter):
"""
# Do other syntax formatting
for expression, nth, rule in self.rules:
index = expression.indexIn(text, 0)
index = expression.globalMatch(text)
while index >= 0:
# We actually want the index of the nth match
index = expression.pos(nth)
length = len(expression.cap(nth))
self.setFormat(index, length, rule)
index = expression.indexIn(text, index + length)
while index.hasNext():
match = index.next()
self.setFormat(match.capturedStart(nth), match.capturedLength(nth), rule)
self.setCurrentBlockState(0)
@ -115,7 +116,7 @@ class PythonHighlighter(QtGui.QSyntaxHighlighter):
if not in_multiline:
in_multiline = self.match_multiline(text, *self.tri_double)
def match_multiline(self, text, delimiter, in_state, style):
def match_multiline(self, text: str, delimiter: QtCore.QRegularExpression, in_state: int, style: QtGui.QTextCharFormat):
"""
Highlighting of multi-line strings. ``delimiter`` should be a
``QRegExp`` for triple-single-quotes or triple-double-quotes, and
@ -124,40 +125,42 @@ class PythonHighlighter(QtGui.QSyntaxHighlighter):
inside a multi-line string when this function is finished.
"""
# If inside triple-single quotes, start at 0
if self.previousBlockState() == in_state:
start = 0
add = 0
# Otherwise, look for the delimiter on this line
else:
start = delimiter.indexIn(text)
# Move past this match
add = delimiter.matchedLength()
# As long as there's a delimiter match on this line...
while start >= 0:
# Look for the ending delimiter
end = delimiter.indexIn(text, start + add)
# Ending delimiter on this line?
if end >= add:
length = end - start + add + delimiter.matchedLength()
self.setCurrentBlockState(0)
# No; multi-line string
else:
self.setCurrentBlockState(in_state)
try:
length = text.length() - start + add
except AttributeError:
length = len(text) - start + add
# Apply formatting
self.setFormat(start, length, style)
# Look for the next match
start = delimiter.indexIn(text, start + length)
# Return True if still inside a multi-line string, False otherwise
if self.currentBlockState() == in_state:
return True
else:
return False
# TODO
return False
# if self.previousBlockState() == in_state:
# start = 0
# add = 0
# # Otherwise, look for the delimiter on this line
# else:
# start = delimiter.match(text).
# # Move past this match
# add = delimiter.matchedLength()
#
# # As long as there's a delimiter match on this line...
# while start >= 0:
# # Look for the ending delimiter
# end = delimiter.indexIn(text, start + add)
# # Ending delimiter on this line?
# if end >= add:
# length = end - start + add + delimiter.matchedLength()
# self.setCurrentBlockState(0)
# # No; multi-line string
# else:
# self.setCurrentBlockState(in_state)
# try:
# length = text.length() - start + add
# except AttributeError:
# length = len(text) - start + add
# # Apply formatting
# self.setFormat(start, length, style)
# # Look for the next match
# start = delimiter.indexIn(text, start + length)
#
# # Return True if still inside a multi-line string, False otherwise
# if self.currentBlockState() == in_state:
# return True
# else:
# return False
class LineNumbers(QtWidgets.QWidget):
@ -195,19 +198,18 @@ class CodeEditor(QtWidgets.QPlainTextEdit):
else:
super().keyPressEvent(evt)
@property
def width_linenumber(self):
digits = 1
count = max(1, self.blockCount())
while count >= 10:
count /= 10
digits += 1
space = 6 + self.fontMetrics().width('9') * digits
space = 6 + self.fontMetrics().horizontalAdvance('9') * digits
return space
def update_width_linenumber(self, _):
self.setViewportMargins(self.width_linenumber, 0, 0, 0)
self.setViewportMargins(self.width_linenumber(), 0, 0, 0)
def update_current_area(self, rect, dy):
if dy:
@ -221,7 +223,7 @@ class CodeEditor(QtWidgets.QPlainTextEdit):
super().resizeEvent(evt)
cr = self.contentsRect()
self.current_linenumber.setGeometry(QtCore.QRect(cr.left(), cr.top(), self.width_linenumber, cr.height()))
self.current_linenumber.setGeometry(QtCore.QRect(cr.left(), cr.top(), self.width_linenumber(), cr.height()))
def paintevent_linenumber(self, evt):
painter = QtGui.QPainter(self.current_linenumber)
@ -255,7 +257,7 @@ class CodeEditor(QtWidgets.QPlainTextEdit):
line_color = QtGui.QColor(QtCore.Qt.GlobalColor.yellow).lighter(180)
selection.format.setBackground(line_color)
selection.format.setProperty(QtGui.QTextFormat.FullWidthSelection, True)
selection.format.setProperty(QtGui.QTextFormat.Property.FullWidthSelection, True)
selection.cursor = self.textCursor()
selection.cursor.clearSelection()
extra_selections.append(selection)