diff options
Diffstat (limited to 'examples/tut8.py')
| -rwxr-xr-x | examples/tut8.py | 97 | 
1 files changed, 97 insertions, 0 deletions
| diff --git a/examples/tut8.py b/examples/tut8.py new file mode 100755 index 0000000..2e81a94 --- /dev/null +++ b/examples/tut8.py @@ -0,0 +1,97 @@ +#!/usr/bin/env python + +# TQt tutorial 8. + +import sys +from python_tqt import qt + + +class LCDRange(qt.TQVBox): +    def __init__(self, parent=None, name=None): +        qt.TQVBox.__init__(self, parent, name) + +        lcd = qt.TQLCDNumber(2, self, "lcd") +        self.slider = qt.TQSlider(qt.TQt.Horizontal, self, "slider") +        self.slider.setRange(0, 99) +        self.slider.setValue(0) +        self.connect(self.slider, qt.SIGNAL("valueChanged(int)"), lcd, qt.SLOT("display(int)")) +        self.connect(self.slider, qt.SIGNAL("valueChanged(int)"), self, qt.PYSIGNAL("valueChanged(int)")) + +        self.setFocusProxy(self.slider) + +    def value(self): +        return self.slider.value() + +    def setValue(self, value): +        self.slider.setValue(value) + +    def setRange(self, minVal, maxVal): +        if minVal < 0 or maxVal > 99 or minVal > maxVal: +            raise ValueError("LCDRange.setRange(): invalid range") + +        self.slider.setRange(minVal, maxVal) + + +class CannonField(qt.TQWidget): +    def __init__(self, parent=None, name=None): +        qt.TQWidget.__init__(self, parent, name) + +        self.ang = 45 +        self.setPalette(qt.TQPalette(qt.TQColor(250, 250, 200))) + +    def angle(self): +        return self.ang + +    def setAngle(self, degrees): +        if degrees < 5: +            degrees = 5 +        if degrees > 70: +            degrees = 70 +        if self.ang == degrees: +            return +        self.ang = degrees +        self.repaint() +        self.emit(qt.PYSIGNAL("angleChanged(int)"), (self.ang, )) + +    def paintEvent(self, ev): +        p = qt.TQPainter(self) +        p.drawText(200, 200, "Angle = %d" % (self.ang)) + +    def sizePolicy(self): +        return qt.TQSizePolicy(qt.TQSizePolicy.Expanding, qt.TQSizePolicy.Expanding) + + +class MyWidget(qt.TQWidget): +    def __init__(self, parent=None, name=None): +        qt.TQWidget.__init__(self, parent, name) + +        quit = qt.TQPushButton("Quit", self, "quit") +        quit.setFont(qt.TQFont("Times", 18, qt.TQFont.Bold)) +        self.connect(quit, qt.SIGNAL("clicked()"), qt.tqApp, qt.SLOT("quit()")) + +        self.angle = LCDRange(self, "angle") +        self.angle.setRange(5, 70) + +        self.cannonField = CannonField(self, "cannonField") + +        self.connect(self.angle, qt.PYSIGNAL("valueChanged(int)"), self.cannonField.setAngle) +        self.connect(self.cannonField, qt.PYSIGNAL("angleChanged(int)"), self.angle.setValue) + +        grid = qt.TQGridLayout(self, 2, 2, 10) + +        grid.addWidget(quit, 0, 0) +        grid.addWidget(self.angle, 1, 0, qt.TQt.AlignTop) +        grid.addWidget(self.cannonField, 1, 1) +        grid.setColStretch(1, 10) + +        self.angle.setValue(60) +        self.angle.setFocus() + + +a = qt.TQApplication(sys.argv) + +w = MyWidget() +w.setGeometry(100, 100, 500, 355) +a.setMainWidget(w) +w.show() +sys.exit(a.exec_loop()) | 
