add qdialog

Author: xugaoxiang

QDialog/dialog_test.py

@@ -0,0 +1,33 @@
+import sys
+
+from PyQt5.QtCore import *
+from PyQt5.QtGui import *
+from PyQt5.QtWidgets import *
+
+
+class DialogDemo(QMainWindow):
+    
+    def __init__(self, parent=None):
+        super(DialogDemo, self).__init__(parent)
+        self.setWindowTitle("Dialog demo")
+        self.resize(600, 400)
+        
+        self.button = QPushButton(self)
+        self.button.setText("点击弹出对话框")
+        self.button.move(50, 50)
+        self.button.clicked.connect(self.showDialog)
+        
+    def showDialog(self):
+        dialog = QDialog()
+        btn = QPushButton("ok", dialog)
+        btn.move(50, 50)
+        dialog.setWindowTitle("Dialog")
+        # Qt.WindowModal
+        dialog.setWindowModality(Qt.WindowModal)
+        dialog.exec_()
+        
+if __name__ == '__main__':
+    app = QApplication(sys.argv)
+    demo = DialogDemo()
+    demo.show()
+    sys.exit(app.exec_())

QDialog/qfiledialog_test.py

@@ -0,0 +1,30 @@
+import sys
+
+from PyQt5.QtCore import *
+from PyQt5.QtGui import *
+from PyQt5.QtWidgets import *
+
+
+class DialogDemo(QMainWindow):
+    
+    def __init__(self, parent=None):
+        super(DialogDemo, self).__init__(parent)
+        self.setWindowTitle("Dialog demo")
+        self.resize(600, 400)
+        
+        self.button = QPushButton(self)
+        self.button.setText("点击弹出文件对话框")
+        self.button.move(50, 50)
+        self.button.clicked.connect(self.showDialog)
+    
+    def showDialog(self):
+        filename, _ = QFileDialog.getOpenFileName(self, "打开文件", "D:\\", "Image Files (*.jpg *.png)")
+        if filename:
+            print(f"file: {filename}")
+
+
+if __name__ == '__main__':
+    app = QApplication(sys.argv)
+    demo = DialogDemo()
+    demo.show()
+    sys.exit(app.exec_())

QDialog/qfontdialog_test.py

@@ -0,0 +1,30 @@
+import sys
+
+from PyQt5.QtCore import *
+from PyQt5.QtGui import *
+from PyQt5.QtWidgets import *
+
+
+class DialogDemo(QMainWindow):
+    
+    def __init__(self, parent=None):
+        super(DialogDemo, self).__init__(parent)
+        self.setWindowTitle("Dialog demo")
+        self.resize(600, 400)
+        
+        self.button = QPushButton(self)
+        self.button.setText("点击弹出字体对话框")
+        self.button.move(50, 50)
+        self.button.clicked.connect(self.showDialog)
+    
+    def showDialog(self):
+        font, ok = QFontDialog.getFont()
+        if ok:
+            print(f'font: {font.pointSize()}')
+
+
+if __name__ == '__main__':
+    app = QApplication(sys.argv)
+    demo = DialogDemo()
+    demo.show()
+    sys.exit(app.exec_())

QDialog/qinputdialog_test.py

@@ -0,0 +1,32 @@
+import sys
+
+from PyQt5.QtCore import *
+from PyQt5.QtGui import *
+from PyQt5.QtWidgets import *
+
+
+class DialogDemo(QMainWindow):
+    
+    def __init__(self, parent=None):
+        super(DialogDemo, self).__init__(parent)
+        self.setWindowTitle("QInputDialog demo")
+        self.resize(600, 400)
+        
+        self.button = QPushButton(self)
+        self.button.setText("点击弹出QInputDialog")
+        self.button.move(50, 50)
+        self.button.clicked.connect(self.showDialog)
+
+    def showDialog(self):
+        name, okPressed = QInputDialog.getText(self, "迷途小书童", "请输入你的大名:", QLineEdit.Normal, " ")
+        if okPressed and name:
+            print(f'Welcome {name}')
+        else:
+            QMessageBox.critical(self, "Error", "请输入大名并点击OK!")
+
+
+if __name__ == '__main__':
+    app = QApplication(sys.argv)
+    demo = DialogDemo()
+    demo.show()
+    sys.exit(app.exec_())

QDialog/qmessagebox_test.py

@@ -0,0 +1,30 @@
+import sys
+
+from PyQt5.QtCore import *
+from PyQt5.QtGui import *
+from PyQt5.QtWidgets import *
+
+
+class DialogDemo(QMainWindow):
+    
+    def __init__(self, parent=None):
+        super(DialogDemo, self).__init__(parent)
+        self.setWindowTitle("QMessageBox demo")
+        self.resize(600, 400)
+        
+        self.button = QPushButton(self)
+        self.button.setText("点击弹出QMessageBox")
+        self.button.move(50, 50)
+        self.button.clicked.connect(self.showDialog)
+    
+    def showDialog(self):
+        # warning、critical、question
+        reply = QMessageBox.critical(self, "标题", "消息正文", QMessageBox.Yes | QMessageBox.No, QMessageBox.Yes)
+        print(reply)
+
+
+if __name__ == '__main__':
+    app = QApplication(sys.argv)
+    demo = DialogDemo()
+    demo.show()
+    sys.exit(app.exec_())