summaryrefslogtreecommitdiffstats
path: root/examples/tut10.py
diff options
context:
space:
mode:
Diffstat (limited to 'examples/tut10.py')
-rwxr-xr-xexamples/tut10.py145
1 files changed, 145 insertions, 0 deletions
diff --git a/examples/tut10.py b/examples/tut10.py
new file mode 100755
index 0000000..b16804e
--- /dev/null
+++ b/examples/tut10.py
@@ -0,0 +1,145 @@
+#!/usr/bin/env python
+
+# TQt tutorial 10.
+
+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.f = 0
+ 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.cannonRect(), 0)
+ self.emit(qt.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(qt.PYSIGNAL("forceChanged(int)"), (self.f, ))
+
+ def paintEvent(self, ev):
+ if not ev.rect().intersects(self.cannonRect()):
+ return
+
+ cr = self.cannonRect()
+ pix = qt.TQPixmap(cr.size())
+ pix.fill(self, cr.topLeft())
+
+ p = qt.TQPainter(pix)
+
+ p.setBrush(qt.TQt.blue)
+ p.setPen(qt.TQt.NoPen)
+
+ p.translate(0, pix.height() - 1)
+ p.drawPie(qt.TQRect(-35, -35, 70, 70), 0, 90 * 16)
+ p.rotate(-self.ang)
+ p.drawRect(qt.TQRect(33, -4, 15, 8))
+ p.end()
+
+ p.begin(self)
+ p.drawPixmap(cr.topLeft(), pix)
+
+ def cannonRect(self):
+ r = qt.TQRect(0, 0, 50, 50)
+ r.moveBottomLeft(self.rect().bottomLeft())
+ return r
+
+ 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.force = LCDRange(self, "force")
+ self.force.setRange(10, 50)
+
+ 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)
+
+ self.connect(self.force, qt.PYSIGNAL("valueChanged(int)"), self.cannonField.setForce)
+ self.connect(self.cannonField, qt.PYSIGNAL("forceChanged(int)"), self.force.setValue)
+
+ grid = qt.TQGridLayout(self, 2, 2, 10)
+
+ grid.addWidget(quit, 0, 0)
+ grid.addWidget(self.cannonField, 1, 1)
+ grid.setColStretch(1, 10)
+
+ leftBox = qt.TQVBoxLayout()
+
+ grid.addLayout(leftBox, 1, 0)
+
+ leftBox.addWidget(self.angle)
+ leftBox.addWidget(self.force)
+
+ self.angle.setValue(60)
+ self.force.setValue(25)
+ self.angle.setFocus()
+
+
+qt.TQApplication.setColorSpec(qt.TQApplication.CustomColor)
+a = qt.TQApplication(sys.argv)
+
+w = MyWidget()
+w.setGeometry(100, 100, 500, 355)
+a.setMainWidget(w)
+w.show()
+sys.exit(a.exec_loop())