pyside6 if判断文本框内指定的字体颜色
时间: 2025-01-03 17:03:53 浏览: 44
在PySide6中,可以通过QTextEdit或QLineEdit等文本框控件来显示和编辑文本。如果需要判断文本框内指定的字体颜色,可以使用QTextDocument和QTextCharFormat来实现。以下是一个示例代码,演示如何判断QTextEdit控件中指定文本的字体颜色:
```python
from PySide6.QtWidgets import QApplication, QMainWindow, QTextEdit, QPushButton, QVBoxLayout, QWidget
from PySide6.QtGui import QTextDocument, QTextCursor, QTextCharFormat, QColor
from PySide6.QtCore import Qt
class MainWindow(QMainWindow):
def __init__(self):
super().__init__()
self.text_edit = QTextEdit()
self.text_edit.setPlainText("Hello World")
self.text_edit.setStyleSheet("font-size: 14pt;")
self.check_button = QPushButton("Check Color")
self.check_button.clicked.connect(self.check_color)
layout = QVBoxLayout()
layout.addWidget(self.text_edit)
layout.addWidget(self.check_button)
container = QWidget()
container.setLayout(layout)
self.setCentralWidget(container)
def check_color(self):
text = self.text_edit.toPlainText()
cursor = self.text_edit.textCursor()
document = self.text_edit.document()
cursor.select(QTextCursor.Document)
char_format = cursor.charFormat()
color = char_format.foreground().color()
print(f"Selected text color: {color.name()}")
# Example: Check if the text color is red
if color == QColor("red"):
print("The text color is red.")
else:
print("The text color is not red.")
if __name__ == "__main__":
app = QApplication([])
window = MainWindow()
window.show()
app.exec()
```
在这个示例中,我们创建了一个QTextEdit控件和一个QPushButton按钮。按钮点击时,会调用`check_color`方法来判断文本的颜色。`check_color`方法使用QTextCursor和QTextCharFormat来获取文本的格式信息,并使用QColor来比较颜色。
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