diff --git a/pyqt5/CODE/元件使用範例/qt0411_QComboBox.py b/pyqt5/CODE/元件使用範例/qt0411_QComboBox.py new file mode 100644 index 0000000..5a3aa99 --- /dev/null +++ b/pyqt5/CODE/元件使用範例/qt0411_QComboBox.py @@ -0,0 +1,45 @@ +# -*- coding: utf-8 -*- + +''' + 【簡介】 + PyQt5中QComboBox範例 + + +''' + +import sys +from PyQt5.QtCore import * +from PyQt5.QtGui import * +from PyQt5.QtWidgets import * + +class ComboxDemo(QWidget): + def __init__(self, parent=None): + super(ComboxDemo, self).__init__(parent) + self.setWindowTitle("combox 範例") + self.resize(300, 90) + layout = QVBoxLayout() + self.lbl = QLabel("" ) + + self.cb = QComboBox() + self.cb.addItem("C") + self.cb.addItem("C++") + self.cb.addItems(["Java", "C#", "Python"]) + self.cb.currentIndexChanged.connect(self.selectionchange) + layout.addWidget(self.cb) + layout.addWidget(self.lbl ) + self.setLayout(layout) + + def selectionchange(self,i): + self.lbl.setText( self.cb.currentText() ) + self.lbl.adjustSize() + + print( "Items in the list are :" ) + for count in range(self.cb.count()): + print( 'item'+str(count) + '='+ self.cb.itemText(count) ) + print( "Current index",i,"selection changed ",self.cb.currentText() ) + +if __name__ == '__main__': + app = QApplication(sys.argv) + comboxDemo = ComboxDemo() + comboxDemo.show() + sys.exit(app.exec_()) diff --git a/pyqt5/CODE/元件使用範例/qt0412_QSpinBox.py b/pyqt5/CODE/元件使用範例/qt0412_QSpinBox.py new file mode 100644 index 0000000..b74bcf9 --- /dev/null +++ b/pyqt5/CODE/元件使用範例/qt0412_QSpinBox.py @@ -0,0 +1,37 @@ +# -*- coding: utf-8 -*- + +''' + 【簡介】 + PyQt5中QSpinBox範例 + + +''' + +import sys +from PyQt5.QtCore import * +from PyQt5.QtGui import * +from PyQt5.QtWidgets import * + +class spindemo(QWidget): + def __init__(self, parent=None): + super(spindemo, self).__init__(parent) + self.setWindowTitle("SpinBox 範例") + self.resize(300, 100) + + layout = QVBoxLayout() + self.l1=QLabel("current value:") + self.l1.setAlignment(Qt.AlignCenter) + layout.addWidget(self.l1) + self.sp = QSpinBox() + layout.addWidget(self.sp) + self.sp.valueChanged.connect(self.valuechange) + self.setLayout(layout) + + def valuechange(self): + self.l1.setText("目前值：" + str(self.sp.value()) ) + +if __name__ == '__main__': + app = QApplication(sys.argv) + ex = spindemo() + ex.show() + sys.exit(app.exec_()) diff --git a/pyqt5/CODE/元件使用範例/qt0413_QSlider.py b/pyqt5/CODE/元件使用範例/qt0413_QSlider.py new file mode 100644 index 0000000..ec29a97 --- /dev/null +++ b/pyqt5/CODE/元件使用範例/qt0413_QSlider.py @@ -0,0 +1,53 @@ +# -*- coding: utf-8 -*- + +''' + 【簡介】 + PyQt5中QSlider範例 + + +''' + +import sys +from PyQt5.QtCore import * +from PyQt5.QtGui import * +from PyQt5.QtWidgets import * + +class SliderDemo(QWidget): + def __init__(self, parent=None): + super(SliderDemo, self).__init__(parent) + self.setWindowTitle("QSlider 範例") + self.resize(300, 100) + + layout = QVBoxLayout() + self.l1 = QLabel("Hello PyQt5") + self.l1.setAlignment(Qt.AlignCenter) + layout.addWidget(self.l1) + # 水平方向 + self.sl = QSlider(Qt.Horizontal) + # 設定最小值 + self.sl.setMinimum(10) + # 設定最大值 + self.sl.setMaximum(50) + # 步長 + self.sl.setSingleStep( 3 ) + # 設置目前值 + self.sl.setValue(20) + # 刻度位置，刻度在下方 + self.sl.setTickPosition(QSlider.TicksBelow) + # 設定刻度間隔 + self.sl.setTickInterval(5) + layout.addWidget(self.sl) + # 連接訊號/槽 + self.sl.valueChanged.connect(self.valuechange) + self.setLayout(layout) + + def valuechange(self): + print('current slider value=%s' % self.sl.value() ) + size = self.sl.value() + self.l1.setFont(QFont("Arial",size)) + +if __name__ == '__main__': + app = QApplication(sys.argv) + demo = SliderDemo() + demo.show() + sys.exit(app.exec_()) diff --git a/pyqt5/CODE/元件使用範例/qt0414_Qmenu.py b/pyqt5/CODE/元件使用範例/qt0414_Qmenu.py new file mode 100644 index 0000000..30c073d --- /dev/null +++ b/pyqt5/CODE/元件使用範例/qt0414_Qmenu.py @@ -0,0 +1,42 @@ +# -*- coding: utf-8 -*- + +''' + 【簡介】 + PyQt5中Qmenu範例 + + +''' + +import sys +from PyQt5.QtCore import * +from PyQt5.QtGui import * +from PyQt5.QtWidgets import * + +class MenuDemo(QMainWindow): + def __init__(self, parent=None): + super(MenuDemo, self).__init__(parent) + layout = QHBoxLayout() + bar = self.menuBar() + file = bar.addMenu("File") + file.addAction("New") + save = QAction("Save", self) + save.setShortcut("Ctrl+S") + file.addAction(save) + edit = file.addMenu("Edit") + edit.addAction("Copy") + edit.addAction("Paste") + quit = QAction("Quit", self) + file.addAction(quit) + file.triggered[QAction].connect(self.processtrigger) + self.setLayout(layout) + self.setWindowTitle("Qmenu範例") + self.resize(350,300) + + def processtrigger(self,q): + print( q.text()+" is triggered" ) + +if __name__ == '__main__': + app = QApplication(sys.argv) + demo = MenuDemo() + demo.show() + sys.exit(app.exec_()) diff --git a/pyqt5/CODE/元件使用範例/qt0415_QToolBar.py b/pyqt5/CODE/元件使用範例/qt0415_QToolBar.py new file mode 100644 index 0000000..9309783 --- /dev/null +++ b/pyqt5/CODE/元件使用範例/qt0415_QToolBar.py @@ -0,0 +1,40 @@ +# -*- coding: utf-8 -*- + +''' + 【簡介】 + PyQt5中QToolBar範例 + + +''' + +import sys +from PyQt5.QtCore import * +from PyQt5.QtGui import * +from PyQt5.QtWidgets import * + +class ToolBarDemo( QMainWindow ): + + def __init__(self, parent=None): + super(ToolBarDemo, self).__init__(parent) + self.setWindowTitle("QToolBar範例") + self.resize(300, 200) + + layout = QVBoxLayout() + tb = self.addToolBar("File") + new = QAction(QIcon("./images/new.png"),"New",self) + tb.addAction(new) + open = QAction(QIcon("./images/open.png"),"Open",self) + tb.addAction(open) + save = QAction(QIcon("./images/save.png"),"Save",self) + tb.addAction(save) + tb.actionTriggered[QAction].connect(self.toolbtnpressed) + self.setLayout(layout) + + def toolbtnpressed(self,a): + print("pressed tool button is ",a.text() ) + +if __name__ == '__main__': + app = QApplication(sys.argv) + demo = ToolBarDemo() + demo.show() + sys.exit(app.exec_())