from PyQt5 import QtWidgets
from PyQt5 import QtCore, QtGui
import sys
import cv2
class TextDemoPanel(QtWidgets.QWidget):
def __init__(self, *args, **kwargs):
super().__init__(*args, **kwargs)
select_btn = QtWidgets.QPushButton("輸入")
self.line_text = QtWidgets.QLineEdit()
self.line_text.setMinimumWidth(200)
# self.line_text.setValidator(QtCore.QIntValidator()) # 文字輸入只能是整數
self.mul_txt_browser = QtWidgets.QTextBrowser() # 多文字顯示框
self.mul_txt_browser.setFixedSize(640, 640)
self.mul_txt_browser.setReadOnly(True) # 只讀
self.mul_txt_browser.setStyleSheet("background-color:pink;color:green") # 背景顏色設定
font = QtGui.QFont()
font.setBold(True)
font.setPointSizeF(18)
self.mul_txt_browser.setFont(font)
btn_panel = QtWidgets.QGroupBox("文字輸入")
hboxlayout = QtWidgets.QHBoxLayout()
hboxlayout.addWidget(self.line_text)
hboxlayout.addWidget(select_btn)
hboxlayout.addStretch(1)
btn_panel.setLayout(hboxlayout)
vboxlayout = QtWidgets.QVBoxLayout()
vboxlayout.addWidget(self.mul_txt_browser)
vboxlayout.addWidget(btn_panel)
vboxlayout.addStretch(1)
self.setLayout(vboxlayout)
# 繫結點選
self.line_text.editingFinished.connect(self.on_update_text)
def on_update_text(self):
curr_txt = self.line_text.text()
self.line_text.clear()
self.mul_txt_browser.append(curr_txt)
if __name__ == '__main__':
app = QtWidgets.QApplication(sys.argv)
main_win = QtWidgets.QMainWindow()
main_win.setWindowTitle("文字框演示")
myPanel = TextDemoPanel()
main_win.setCentralWidget(myPanel)
# main_win.setMinimumSize(1080, 720)
main_win.show()
app.exec_()
