SIP4 python bindings for TQt
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 ``````#!/usr/bin/env python import sys from python_tqt.qt import * seed = 0.353535353535 KINDA_RAND_MAX = 32767 def kindaRand(): global seed seed = seed * 147 seed = seed - int(seed) return int(seed*(KINDA_RAND_MAX + 1)) velmax = 15 velmin = 4 def velocity(i): if i == 1 or i == 2: i = (kindaRand()&0x7fff % velmax)/3 + velmin else: i = (kindaRand()&0x7fff % velmax) + velmin return i maxpoints = 5 maxcurves = 8 def poly(): d = TQApplication.desktop() d.setEraseColor(TQt.white) xvel = [ 0 ] * maxpoints yvel = [ 0 ] * maxpoints head = 0 tail = -maxcurves + 2 a = [ TQPointArray() ] * maxcurves r = d.rect() for i in range(maxcurves): a[i].resize(maxpoints) p = a[0] for i in range(maxpoints): p.setPoint(i, (kindaRand()&0x7fff) % r.width(), (kindaRand()&0x7fff) % r.height() ) xvel[i] = velocity(i) yvel[i] = velocity(i) paint = TQPainter() paint.begin(d) for ntimes in range(2000): paint.setBrush(TQColor(kindaRand()%360,180,255, TQColor.Hsv)) paint.drawPolygon(a[head]) tail = tail + 1 if tail >= maxcurves: tail = 0 minx = r.left() maxx = r.right() miny = r.top() maxy = r.bottom() p = a[head] head = head + 1 if head >= maxcurves: head = 0 for i in range(maxpoints): x, y = p.point(i) x = x + xvel[i] y = y + yvel[i] if x >= maxx: x = maxx - (x - maxx + 1) xvel[i] = -velocity(i) if x <= minx: x = minx + (minx - x + 1) xvel[i] = velocity(i) if y >= maxy: y = maxy - (y - maxy + 1) yvel[i] = -velocity(i) if y <= miny: y = miny + (miny - y + 1) yvel[i] = velocity(i) a[head].setPoint(i, x, y) paint.end() def rotate(): w = 64 h = 64 image = TQImage(w, h, 8, 128) for i in range(128): image.setColor(i, tqRgb(i,0,0)) for y in range(h): for x in range(w): image.setPixel(x,y,(x+y)%128) pm = TQPixmap() pm.convertFromImage(image) pm.setOptimization(TQPixmap.BestOptim) d = TQApplication.desktop() for i in range(0,361,2): m = TQWMatrix() m.rotate(i) rpm = pm.xForm(m) d.setErasePixmap(rpm) d.update() def generateStone(pm, c1, c2, c3): p = TQPainter() p1 = TQPen(c1, 0) p2 = TQPen(c2, 0) p3 = TQPen(c3, 0) p.begin(pm) for i in range(pm.width()): for j in range(pm.height()): r = kindaRand() if r < KINDA_RAND_MAX / 3: p.setPen(p1) elif r < KINDA_RAND_MAX / 3 * 2: p.setPen(p2) else: p.setPen(p3) p.drawPoint(i, j) p.end() def drawShadeText(p, x, y, text, topColor, bottomColor, sw=2): if not p.isActive(): return p.setPen(bottomColor) p.drawText(x+sw, y+sw, text) p.setPen(topColor) p.drawText(x, y, text) class DesktopWidget(TQWidget): def __init__(self, s, parent=None, name=''): TQWidget.__init__(self, parent, name, TQt.WType_Desktop | TQt.WPaintDesktop) self.text = s self.pm = None def paintEvent(self, pe): c1 = self.eraseColor() c2 = c1.light(104) c3 = c1.dark(106) if not self.pm: self.pm = TQPixmap(64, 64) generateStone(self.pm, c1, c2, c3) self.setErasePixmap(self.pm) self.update() br = self.fontMetrics().boundingRect(self.text) offscreen = TQPixmap(br.width(), br.height()) x = self.width()/2 - br.width()/2 y = self.height()/2 - br.height()/2 offscreen.fill(self, x, y) p = TQPainter() p.begin(offscreen) drawShadeText(p, -br.x(), -br.y(), self.text, c2, c3, 3) p.end() bitBlt(self, x, y, offscreen) def desktopWidget(s='Trolltech'): t = DesktopWidget(s) t.update() tqApp.exec_loop() def desktopText(s='Trolltech'): border = 20 c1 = tqApp.palette().normal().background() c2 = c1.light(104) c3 = c1.dark(106) pm = TQPixmap(10, 10) p = TQPainter() p.begin(pm) r = p.fontMetrics().boundingRect(s) p.end() appWidth = tqApp.desktop().width() appHeight = tqApp.desktop().height() if r.width() > appWidth - border*2: r.setWidth(appWidth - border*2) if r.height() > appHeight - border*2: r.setHeight(appHeight - border*2) pm.resize(r.size().width()+border*2,r.size().height()+border*2) generateStone(pm, c1, c2, c3) p.begin(pm) drawShadeText(p, -r.x()+border, -r.y()+border, s, c2, c3) p.end() tqApp.desktop().setErasePixmap(pm) a = TQApplication(sys.argv) if len(sys.argv) > 1: f = TQFont('charter', 96, TQFont.Black) f.setStyleHint(TQFont.Times) a.setFont(f) validOptions = 0 if len(sys.argv) == 2: validOptions = 1 if sys.argv[1] == '-poly': poly() elif sys.argv[1] == '-rotate': rotate() elif sys.argv[1] == '-troll': desktopText() elif sys.argv[1] == '-trollwidget': desktopWidget() else: validOptions = 0 if len(sys.argv) == 3: validOptions = 1 if sys.argv[1] == '-shadetext': desktopText(sys.argv[2]) elif sys.argv[1] == '-shadewidget': desktopWidget(sys.argv[2]) else: validOptions = 0 if not validOptions: print """Usage: \tdesktop -poly \tdesktop -rotate \tdesktop -troll \tdesktop -trollwidget \tdesktop -shadetext \tdesktop -shadewidget """ rotate()``````