Prise en charge des touches de raccourci :
CTRL + molette de la souris pour ajuster la taille de la police
Prise en charge de la copie de la ligne actuelle
Couper la ligne actuelle
# 多行文本框
class TextEdit(QTextEdit):
def __init__(self, parent=None):
super().__init__(parent)
self.setStyleSheet("background-color: #262626;color: #d0d0d0;")
self.setFont(standard_font) # 设置标准字体
# Ctrl+鼠标滚轮调整字体大小
def wheelEvent(self, event):
# 捕捉鼠标滚轮事件
modifiers = QApplication.keyboardModifiers()
if modifiers == Qt.ControlModifier:
# 如果按下了 Ctrl 键
delta = event.angleDelta().y()
font = self.font()
# 根据滚轮方向调整字体大小
if delta > 0:
font.setPointSize(font.pointSize() + 1)
else:
font.setPointSize(font.pointSize() - 1)
self.setFont(font)
else:
# 如果没有按下 Ctrl 键,则使用默认滚轮事件处理
super().wheelEvent(event)
# Ctrl+X,Ctrl+C
def keyPressEvent(self, event):
if event.modifiers() == Qt.ControlModifier and event.key() == Qt.Key_X:
if self.textCursor().hasSelection():
# If there is selected text, cut the selection
super().keyPressEvent(event)
else:
# If no text is selected, cut the entire line
self.cut_current_line()
elif event.modifiers() == Qt.ControlModifier and event.key() == Qt.Key_C:
if self.textCursor().hasSelection():
# If there is selected text, cut the selection
super().keyPressEvent(event)
else:
# If no text is selected, cut the entire line
self.copy_current_line()
else:
super().keyPressEvent(event)
# 剪切当前行内容
def cut_current_line(self):
cursor = self.textCursor()
cursor.movePosition(QTextCursor.StartOfLine)
cursor.movePosition(QTextCursor.EndOfLine, QTextCursor.KeepAnchor)
self.setTextCursor(cursor)
self.cut()
# 复制当前行内容
def copy_current_line(self):
cursor = self.textCursor()
cursor.movePosition(QTextCursor.StartOfLine)
cursor.movePosition(QTextCursor.EndOfLine, QTextCursor.KeepAnchor)
self.setTextCursor(cursor)
self.copy()