1 files changed, 145 insertions, 0 deletions
diff --git a/python/pyqt/examples2/tut10.py b/python/pyqt/examples2/tut10.py
new file mode 100755
index 00000000..0470a85d
--- /dev/null
+++ b/python/pyqt/examples2/tut10.py
@@ -0,0 +1,145 @@
+#!/usr/bin/env python
+
+# Qt tutorial 10.
+
+import sys
+from qt import *
+
+
+class LCDRange(QVBox):
+    def __init__(self,parent=None,name=None):
+        QVBox.__init__(self,parent,name)
+
+        lcd = QLCDNumber(2,self,'lcd')
+        self.slider = QSlider(Qt.Horizontal,self,'slider')
+        self.slider.setRange(0,99)
+        self.slider.setValue(0)
+        self.connect(self.slider,SIGNAL('valueChanged(int)'),lcd,SLOT('display(int)'))
+        self.connect(self.slider,SIGNAL('valueChanged(int)'),self,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(QWidget):
+    def __init__(self,parent=None,name=None):
+        QWidget.__init__(self,parent,name)
+
+        self.ang = 45
+        self.f = 0
+        self.setPalette(QPalette(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.cannonRect(),0)
+        self.emit(PYSIGNAL('angleChanged(int)'),(self.ang,))
+
+    def force(self):
+        return self.f
+
+    def setForce(self,newton):
+        if newton < 0:
+            newton = 0
+        if self.f == newton:
+            return
+        self.f = newton
+        self.emit(PYSIGNAL('forceChanged(int)'),(self.f,))
+
+    def paintEvent(self,ev):
+        if not ev.rect().intersects(self.cannonRect()):
+            return
+
+        cr = self.cannonRect()
+        pix = QPixmap(cr.size())
+        pix.fill(self,cr.topLeft())
+
+        p = QPainter(pix)
+
+        p.setBrush(Qt.blue)
+        p.setPen(Qt.NoPen)
+
+        p.translate(0,pix.height() - 1)
+        p.drawPie(QRect(-35,-35,70,70),0,90 * 16)
+        p.rotate(-self.ang)
+        p.drawRect(QRect(33,-4,15,8))
+        p.end()
+
+        p.begin(self)
+        p.drawPixmap(cr.topLeft(),pix)
+
+    def cannonRect(self):
+        r = QRect(0,0,50,50)
+        r.moveBottomLeft(self.rect().bottomLeft())
+        return r
+
+    def sizePolicy(self):
+        return QSizePolicy(QSizePolicy.Expanding,QSizePolicy.Expanding)
+
+
+class MyWidget(QWidget):
+    def __init__(self,parent=None,name=None):
+        QWidget.__init__(self,parent,name)
+
+        quit = QPushButton('&Quit',self,'quit')
+        quit.setFont(QFont('Times',18,QFont.Bold))
+        self.connect(quit,SIGNAL('clicked()'),qApp,SLOT('quit()'))
+
+        self.angle = LCDRange(self,'angle')
+        self.angle.setRange(5,70)
+
+        self.force = LCDRange(self,'force')
+        self.force.setRange(10,50)
+
+        self.cannonField = CannonField(self,'cannonField')
+
+        self.connect(self.angle,PYSIGNAL('valueChanged(int)'),self.cannonField.setAngle)
+        self.connect(self.cannonField,PYSIGNAL('angleChanged(int)'),self.angle.setValue)
+
+        self.connect(self.force,PYSIGNAL('valueChanged(int)'),self.cannonField.setForce)
+        self.connect(self.cannonField,PYSIGNAL('forceChanged(int)'),self.force.setValue)
+
+        grid = QGridLayout(self,2,2,10)
+
+        grid.addWidget(quit,0,0)
+        grid.addWidget(self.cannonField,1,1)
+        grid.setColStretch(1,10)
+
+        leftBox = QVBoxLayout()
+
+        grid.addLayout(leftBox,1,0)
+
+        leftBox.addWidget(self.angle)
+        leftBox.addWidget(self.force)
+
+        self.angle.setValue(60)
+        self.force.setValue(25)
+        self.angle.setFocus()
+
+
+QApplication.setColorSpec(QApplication.CustomColor)
+a = QApplication(sys.argv)
+
+w = MyWidget()
+w.setGeometry(100,100,500,355)
+a.setMainWidget(w)
+w.show()
+a.exec_loop()