pyqt5_控件_toolbar

from PyQt5.QtCore import *
from PyQt5.QtGui import *
from PyQt5.QtWidgets import *
from demo_6 import *

import sys


class ToolBar(QMainWindow):

    def __init__(self):
        super().__init__()
        self._initUi()

    def _initUi(self):
        self.setWindowTitle('工具条实例')
        # 获取当前屏幕分辨率
        deskRect = QApplication.desktop().availableGeometry()  # type: QRect
        mainWidth = 600
        mainHeight = 400
        self.setWindowFlags(Qt.Window) # 普通窗口
        top = deskRect.height() // 2 - mainHeight / 2
        left = deskRect.width() // 2 - mainWidth / 2
        self.setGeometry(left, top, mainWidth, mainHeight) #居中
        # 工具条
        toolBar = QToolBar(self)
        toolBar.setFixedHeight(24)
        test1 = QPushButton('测试1')
        test1.clicked.connect(self._tool_push1_clicked)
        test2 = QPushButton('测试2')
        test2.clicked.connect(self._tool_push2_clicked)
        toolBar.addWidget(test1)
        toolBar.addWidget(test2)
        toolBar.setIconSize(QSize(16, 16))
        toolBar.addAction(QIcon('./search.png'), 'Search', self._tool_search_)
        self.addToolBar(Qt.TopToolBarArea, toolBar)

        self.show()
    def _tool_push1_clicked(self):
        print('测试1被单击')
    def _tool_push2_clicked(self):
        ex = Example(self) #创建一个对话框
        ex.exec_()#模态方式执行, show 为非模态
    def _tool_search_(self):
        print('出发search事件') #类似的快捷键， 工具条，菜单栏都会出发次事件

if __name__ == '__main__':
    app = QApplication(sys.argv)
    ex = ToolBar()
    sys.exit(app.exec_())