Qlineedit Text Color Apr 2026

QLineEdit *lineEdit = new QLineEdit("Hello World"); lineEdit->setStyleSheet("QLineEdit color: red; ");

def validate_email(self, text): if "@" not in text: self.error_input.setStyleSheet("QLineEdit color: red; ") else: self.error_input.setStyleSheet("QLineEdit color: green; ") if == " main ": app = QApplication(sys.argv) window = MainWindow() window.show() sys.exit(app.exec()) 6. Key Points to Remember | Property | Description | Example | |----------|-------------|---------| | color | Text color | color: #ff0000; | | ::placeholder | Placeholder text styling | QLineEdit::placeholder color: gray; | | :focus | When widget has focus | QLineEdit:focus color: blue; | | :disabled | Disabled state | QLineEdit:disabled color: #aaa; | | :read-only | Read-only state | QLineEdit:read-only color: #666; | qlineedit text color

layout.addWidget(lineEdit); window.show(); return app.exec(); Less flexible but works without style sheets. Using Style Sheets (Recommended) Change text color with

Here's comprehensive content about in Qt (PyQt / PySide / C++ Qt): QLineEdit Text Color – Complete Guide 1. Using Style Sheets (Recommended) Change text color with Qt Style Sheets (QSS), similar to CSS. Python (PyQt5/PySide6) from PyQt5.QtWidgets import QApplication, QLineEdit, QVBoxLayout, QWidget app = QApplication([]) window = QWidget() layout = QVBoxLayout() Normal text color line_edit = QLineEdit("Hello World") line_edit.setStyleSheet("QLineEdit color: blue; ") Different colors for different states line_edit2 = QLineEdit("Disabled text") line_edit2.setEnabled(False) line_edit2.setStyleSheet("QLineEdit:disabled color: gray; ") Placeholder text color line_edit3 = QLineEdit() line_edit3.setPlaceholderText("Enter your name...") line_edit3.setStyleSheet("QLineEdit color: black; QLineEdit::placeholder color: #888888; ") QLineEdit::placeholder color: #888888