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Diffstat (limited to 'python/pyqt/examples3/tut8.py')
-rwxr-xr-x | python/pyqt/examples3/tut8.py | 97 |
1 files changed, 0 insertions, 97 deletions
diff --git a/python/pyqt/examples3/tut8.py b/python/pyqt/examples3/tut8.py deleted file mode 100755 index f7dd1567..00000000 --- a/python/pyqt/examples3/tut8.py +++ /dev/null @@ -1,97 +0,0 @@ -#!/usr/bin/env python - -# Qt tutorial 8. - -import sys -import qt - - -class LCDRange(qt.QVBox): - def __init__(self, parent=None, name=None): - qt.QVBox.__init__(self, parent, name) - - lcd = qt.QLCDNumber(2, self, "lcd") - self.slider = qt.QSlider(qt.Qt.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.QWidget): - def __init__(self, parent=None, name=None): - qt.QWidget.__init__(self, parent, name) - - self.ang = 45 - self.setPalette(qt.QPalette(qt.QColor(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.QPainter(self) - p.drawText(200, 200, "Angle = %d" % (self.ang)) - - def sizePolicy(self): - return qt.QSizePolicy(qt.QSizePolicy.Expanding, qt.QSizePolicy.Expanding) - - -class MyWidget(qt.QWidget): - def __init__(self, parent=None, name=None): - qt.QWidget.__init__(self, parent, name) - - quit = qt.QPushButton("Quit", self, "quit") - quit.setFont(qt.QFont("Times", 18, qt.QFont.Bold)) - self.connect(quit, qt.SIGNAL("clicked()"), qt.qApp, 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.QGridLayout(self, 2, 2, 10) - - grid.addWidget(quit, 0, 0) - grid.addWidget(self.angle, 1, 0, qt.Qt.AlignTop) - grid.addWidget(self.cannonField, 1, 1) - grid.setColStretch(1, 10) - - self.angle.setValue(60) - self.angle.setFocus() - - -a = qt.QApplication(sys.argv) - -w = MyWidget() -w.setGeometry(100, 100, 500, 355) -a.setMainWidget(w) -w.show() -sys.exit(a.exec_loop()) |