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-rwxr-xr-xpython/pyqt/examples3/canvas/canvas.py619
1 files changed, 619 insertions, 0 deletions
diff --git a/python/pyqt/examples3/canvas/canvas.py b/python/pyqt/examples3/canvas/canvas.py
new file mode 100755
index 00000000..178a6e66
--- /dev/null
+++ b/python/pyqt/examples3/canvas/canvas.py
@@ -0,0 +1,619 @@
+#!/usr/bin/env python
+
+import sys
+from qt import *
+from qtcanvas import *
+import random
+
+
+True = 1
+False = 0
+butterfly_fn = QString.null
+butterflyimg = []
+logo_fn = QString.null
+logoimg = []
+bouncy_logo = None
+views = []
+
+
+class ImageItem(QCanvasRectangle):
+ def __init__(self,img,canvas):
+ QCanvasRectangle.__init__(self,canvas)
+ self.imageRTTI=984376
+ self.image=img
+ self.pixmap=QPixmap()
+ self.setSize(self.image.width(), self.image.height())
+ self.pixmap.convertFromImage(self.image, Qt.OrderedAlphaDither);
+
+ def rtti(self):
+ return self.imageRTTI
+
+ def hit(self,p):
+ ix = p.x()-self.x()
+ iy = p.y()-self.y()
+ if not self.image.valid( ix , iy ):
+ return False
+ self.pixel = self.image.pixel( ix, iy )
+ return (qAlpha( self.pixel ) != 0)
+
+ def drawShape(self,p):
+ p.drawPixmap( self.x(), self.y(), self.pixmap )
+
+
+class NodeItem(QCanvasEllipse):
+ def __init__(self,canvas):
+ QCanvasEllipse.__init__(self,6,6,canvas)
+ self.__inList=[]
+ self.__outList=[]
+ self.setPen(QPen(Qt.black))
+ self.setBrush(QBrush(Qt.red))
+ self.setZ(128)
+
+ def addInEdge(self,edge):
+ self.__inList.append(edge)
+
+ def addOutEdge(self,edge):
+ self.__outList.append(edge)
+
+ def moveBy(self,dx,dy):
+ QCanvasEllipse.moveBy(self,dx,dy)
+ for each_edge in self.__inList:
+ each_edge.setToPoint( int(self.x()), int(self.y()) )
+ for each_edge in self.__outList:
+ each_edge.setFromPoint( int(self.x()), int(self.y()) )
+
+class EdgeItem(QCanvasLine):
+ __c=0
+ def __init__(self,fromNode, toNode,canvas):
+ QCanvasLine.__init__(self,canvas)
+ self.__c=self.__c+1
+ self.setPen(QPen(Qt.black))
+ self.setBrush(QBrush(Qt.red))
+ fromNode.addOutEdge(self)
+ toNode.addInEdge(self)
+ self.setPoints(int(fromNode.x()),int(fromNode.y()), int(toNode.x()), int(toNode.y()))
+ self.setZ(127)
+
+ def setFromPoint(self,x,y):
+ self.setPoints(x,y,self.endPoint().x(),self.endPoint().y())
+
+ def setToPoint(self,x,y):
+ self.setPoints(self.startPoint().x(), self.startPoint().y(),x,y)
+
+ def count(self):
+ return self.__c
+
+ def moveBy(self,dx,dy):
+ pass
+
+
+class FigureEditor(QCanvasView):
+ def __init__(self,c,parent,name,f):
+ QCanvasView.__init__(self,c,parent,name,f)
+ self.__moving=0
+ self.__moving_start= 0
+
+ def contentsMousePressEvent(self,e): # QMouseEvent e
+ point = self.inverseWorldMatrix().map(e.pos())
+ ilist = self.canvas().collisions(point) #QCanvasItemList ilist
+ for each_item in ilist:
+ if each_item.rtti()==984376:
+ if not each_item.hit(point):
+ continue
+ self.__moving=each_item
+ self.__moving_start=point
+ return
+ self.__moving=0
+
+ def clear(self):
+ ilist = self.canvas().allItems()
+ for each_item in ilist:
+ if each_item:
+ each_item.setCanvas(None)
+ del each_item
+ self.canvas().update()
+
+ def contentsMouseMoveEvent(self,e):
+ if self.__moving :
+ point = self.inverseWorldMatrix().map(e.pos());
+ self.__moving.moveBy(point.x() - self.__moving_start.x(),point.y() - self.__moving_start.y())
+ self.__moving_start = point
+ self.canvas().update()
+
+
+class BouncyLogo(QCanvasSprite):
+ def __init__(self,canvas):
+ # Make sure the logo exists.
+ global bouncy_logo
+ if bouncy_logo is None:
+ bouncy_logo=QCanvasPixmapArray("qt-trans.xpm")
+
+ QCanvasSprite.__init__(self,None,canvas)
+ self.setSequence(bouncy_logo)
+ self.setAnimated(True)
+ self.initPos()
+ self.logo_rtti=1234
+
+ def rtti(self):
+ return self.logo_rtti
+
+ def initPos(self):
+ self.initSpeed()
+ trial=1000
+ self.move(random.random()%self.canvas().width(), random.random()%self.canvas().height())
+ self.advance(0)
+ trial=trial-1
+ while (trial & (self.xVelocity()==0 )& (self.yVelocity()==0)):
+ elf.move(random.random()%self.canvas().width(), random.random()%self.canvas().height())
+ self.advance(0)
+ trial=trial-1
+
+ def initSpeed(self):
+ speed=4.0
+ d=random.random()%1024/1024.0
+ self.setVelocity(d*speed*2-speed, (1-d)*speed*2-speed)
+
+ def advance(self,stage):
+ if stage==0:
+ vx=self.xVelocity()
+ vy=self.yVelocity()
+ if (vx==0.0) & (vy==0.0):
+ self.initSpeed()
+ vx=self.xVelocity()
+ vy=self.yVelocity()
+
+ nx=self.x()+vx
+ ny=self.y()+vy
+
+ if (nx<0) | (nx >= self.canvas().width()):
+ vx=-vx
+ if (ny<0) | (ny >= self.canvas().height()):
+ vy=-vy
+
+ for bounce in [0,1,2,3]:
+ l=self.collisions(False)
+ for hit in l:
+ if (hit.rtti()==1234) & (hit.collidesWith(self)):
+ if bounce==0:
+ vx=-vx
+ elif bounce==1:
+ vy=-vy
+ vx=-vx
+ elif bounce==2:
+ vx=-vx
+ elif bounce==3:
+ vx=0
+ vy=0
+ self.setVelocity(vx,vy)
+ break
+
+ if (self.x()+vx < 0) | (self.x()+vx >= self.canvas().width()):
+ vx=0
+ if (self.y()+vy < 0) | (self.y()+vy >= self.canvas().height()):
+ vy=0
+
+ self.setVelocity(vx,vy)
+ elif stage==1:
+ QCanvasItem.advance(self,stage)
+
+
+class Main (QMainWindow):
+ def __init__(self,c,parent,name,f=0):
+ QMainWindow.__init__(self,parent,name,f)
+ self.editor=FigureEditor(c,self,name,f)
+ self.printer=QPrinter()
+ self.dbf_id=0
+ self.canvas=c
+ self.mainCount=0
+ file=QPopupMenu(self.menuBar())
+ file.insertItem("&Fill canvas", self.init, Qt.CTRL+Qt.Key_F)
+ file.insertItem("&Erase canvas", self.clear, Qt.CTRL+Qt.Key_E)
+ file.insertItem("&New view", self.newView, Qt.CTRL+Qt.Key_N)
+ file.insertSeparator();
+ file.insertItem("&Print", self._print, Qt.CTRL+Qt.Key_P)
+ file.insertSeparator()
+ file.insertItem("E&xit", qApp, SLOT("quit()"), Qt.CTRL+Qt.Key_Q)
+ self.menuBar().insertItem("&File", file)
+
+ edit = QPopupMenu(self.menuBar() )
+ edit.insertItem("Add &Circle", self.addCircle, Qt.ALT+Qt.Key_C)
+ edit.insertItem("Add &Hexagon", self.addHexagon, Qt.ALT+Qt.Key_H)
+ edit.insertItem("Add &Polygon", self.addPolygon, Qt.ALT+Qt.Key_P)
+ edit.insertItem("Add Spl&ine", self.addSpline, Qt.ALT+Qt.Key_I)
+ edit.insertItem("Add &Text", self.addText, Qt.ALT+Qt.Key_T)
+ edit.insertItem("Add &Line", self.addLine, Qt.ALT+Qt.Key_L)
+ edit.insertItem("Add &Rectangle", self.addRectangle, Qt.ALT+Qt.Key_R)
+ edit.insertItem("Add &Sprite", self.addSprite, Qt.ALT+Qt.Key_S)
+ edit.insertItem("Create &Mesh", self.addMesh, Qt.ALT+Qt.Key_M )
+ edit.insertItem("Add &Alpha-blended image", self.addButterfly, Qt.ALT+Qt.Key_A)
+ self.menuBar().insertItem("&Edit", edit)
+
+ view = QPopupMenu(self.menuBar() );
+ view.insertItem("&Enlarge", self.enlarge, Qt.SHIFT+Qt.CTRL+Qt.Key_Plus);
+ view.insertItem("Shr&ink", self.shrink, Qt.SHIFT+Qt.CTRL+Qt.Key_Minus);
+ view.insertSeparator();
+ view.insertItem("&Rotate clockwise", self.rotateClockwise, Qt.CTRL+Qt.Key_PageDown);
+ view.insertItem("Rotate &counterclockwise", self.rotateCounterClockwise, Qt.CTRL+Qt.Key_PageUp);
+ view.insertItem("&Zoom in", self.zoomIn, Qt.CTRL+Qt.Key_Plus);
+ view.insertItem("Zoom &out", self.zoomOut, Qt.CTRL+Qt.Key_Minus);
+ view.insertItem("Translate left", self.moveL, Qt.CTRL+Qt.Key_Left);
+ view.insertItem("Translate right", self.moveR, Qt.CTRL+Qt.Key_Right);
+ view.insertItem("Translate up", self.moveU, Qt.CTRL+Qt.Key_Up);
+ view.insertItem("Translate down", self.moveD, Qt.CTRL+Qt.Key_Down);
+ view.insertItem("&Mirror", self.mirror, Qt.CTRL+Qt.Key_Home);
+ self.menuBar().insertItem("&View", view)
+
+ self.options = QPopupMenu( self.menuBar() );
+ self.dbf_id = self.options.insertItem("Double buffer", self.toggleDoubleBuffer)
+ self.options.setItemChecked(self.dbf_id, True)
+ self.menuBar().insertItem("&Options",self.options)
+
+ self.menuBar().insertSeparator();
+
+ help = QPopupMenu( self.menuBar() )
+ help.insertItem("&About", self.help, Qt.Key_F1)
+ help.insertItem("&About Qt", self.aboutQt, Qt.Key_F2)
+ help.setItemChecked(self.dbf_id, True)
+ self.menuBar().insertItem("&Help",help)
+
+ self.statusBar()
+
+ self.setCentralWidget(self.editor)
+
+ self.printer = 0
+ self.tb=0
+ self.tp=0
+
+ self.init()
+
+ def init(self):
+ self.clear()
+ r=24
+ r=r+1
+ random.seed(r)
+ for i in range(self.canvas.width()/56):
+ self.addButterfly()
+ for j in range(self.canvas.width()/85):
+ self.addHexagon()
+ for k in range(self.canvas.width()/128):
+ self.addLogo()
+
+ def newView(self):
+ m=Main(self.canvas,None,"new windiw",Qt.WDestructiveClose)
+ qApp.setMainWidget(m)
+ m.show()
+ qApp.setMainWidget(None)
+ views.append(m)
+
+ def clear(self):
+ self.editor.clear()
+
+ def help(self):
+ QMessageBox.information(None, "PyQt Canvas Example",
+ "<h3>The PyQt QCanvas classes example</h3><hr>"
+ "<p>This is the PyQt implementation of "
+ "Qt canvas example.</p> by Sadi Kose "
+ "<i>(kose@nuvox.net)</i><hr>"
+ "<ul>"
+ "<li> Press ALT-S for some sprites."
+ "<li> Press ALT-C for some circles."
+ "<li> Press ALT-L for some lines."
+ "<li> Drag the objects around."
+ "<li> Read the code!"
+ "</ul>","Dismiss")
+
+ def aboutQt(self):
+ QMessageBox.aboutQt(self,"PyQt Canvas Example")
+
+ def toggleDoubleBuffer(self):
+ s = not self.options.isItemChecked(self.dbf_id)
+ self.options.setItemChecked(self.dbf_id,s)
+ self.canvas.setDoubleBuffering(s)
+
+ def enlarge(self):
+ self.canvas.resize(self.canvas.width()*4/3, self.canvas.height()*4/3)
+
+ def shrink(self):
+ self.canvas.resize(self.canvas.width()*3/4, self.canvas.height()*3/4)
+
+ def rotateClockwise(self):
+ m = self.editor.worldMatrix()
+ m.rotate( 22.5 )
+ self.editor.setWorldMatrix( m )
+
+ def rotateCounterClockwise(self):
+ m = self.editor.worldMatrix()
+ m.rotate( -22.5 )
+ self.editor.setWorldMatrix( m )
+
+ def zoomIn(self):
+ m = self.editor.worldMatrix()
+ m.scale( 2.0, 2.0 )
+ self.editor.setWorldMatrix( m )
+
+ def zoomOut(self):
+ m = self.editor.worldMatrix()
+ m.scale( 0.5, 0.5 )
+ self.editor.setWorldMatrix( m )
+
+ def mirror(self):
+ m = self.editor.worldMatrix()
+ m.scale( -1, 1 )
+ self.editor.setWorldMatrix( m )
+
+ def moveL(self):
+ m = self.editor.worldMatrix()
+ m.translate( -16, 0 )
+ self.editor.setWorldMatrix( m )
+
+ def moveR(self):
+ m = self.editor.worldMatrix()
+ m.translate( +16, 0 )
+ self.editor.setWorldMatrix( m )
+
+ def moveU(self):
+ m = self.editor.worldMatrix()
+ m.translate( 0, -16 )
+ self.editor.setWorldMatrix( m )
+
+ def moveD(self):
+ m = self.editor.worldMatrix();
+ m.translate( 0, +16 );
+ self.editor.setWorldMatrix( m )
+
+ def _print(self):
+ if not self.printer:
+ self.printer = QPrinter()
+ if self.printer.setup(self) :
+ pp=QPainter(self.printer)
+ self.canvas.drawArea(QRect(0,0,self.canvas.width(),self.canvas.height()),pp,False)
+
+ def addSprite(self):
+ i = BouncyLogo(self.canvas)
+ i.setZ(256*random.random()%256);
+ i.show();
+
+ def addButterfly(self):
+ if butterfly_fn.isEmpty():
+ return
+ if not butterflyimg:
+ butterflyimg.append(QImage())
+ butterflyimg[0].load(butterfly_fn)
+ butterflyimg.append(QImage())
+ butterflyimg[1] = butterflyimg[0].smoothScale( int(butterflyimg[0].width()*0.75),
+ int(butterflyimg[0].height()*0.75) )
+ butterflyimg.append(QImage())
+ butterflyimg[2] = butterflyimg[0].smoothScale( int(butterflyimg[0].width()*0.5),
+ int(butterflyimg[0].height()*0.5) )
+ butterflyimg.append(QImage())
+ butterflyimg[3] = butterflyimg[0].smoothScale( int(butterflyimg[0].width()*0.25),
+ int(butterflyimg[0].height()*0.25) )
+
+ i = ImageItem(butterflyimg[int(4*random.random()%4)],self.canvas)
+ i.move((self.canvas.width()-butterflyimg[0].width())*random.random()%(self.canvas.width()-butterflyimg[0].width()),
+ (self.canvas.height()-butterflyimg[0].height())*random.random()%(self.canvas.height()-butterflyimg[0].height()))
+ i.setZ(256*random.random()%256+250);
+ i.show()
+
+ def addLogo(self):
+ if logo_fn.isEmpty():
+ return;
+ if not logoimg:
+ logoimg.append(QImage())
+ logoimg[0].load( logo_fn )
+ logoimg.append(QImage())
+ logoimg[1] = logoimg[0].smoothScale( int(logoimg[0].width()*0.75),
+ int(logoimg[0].height()*0.75) )
+ logoimg.append(QImage())
+ logoimg[2] = logoimg[0].smoothScale( int(logoimg[0].width()*0.5),
+ int(logoimg[0].height()*0.5) )
+ logoimg.append(QImage())
+ logoimg[3] = logoimg[0].smoothScale( int(logoimg[0].width()*0.25),
+ int(logoimg[0].height()*0.25) );
+
+ i = ImageItem(logoimg[int(4*random.random()%4)],self.canvas)
+ i.move((self.canvas.width()-logoimg[0].width())*random.random()%(self.canvas.width()-logoimg[0].width()),
+ (self.canvas.height()-logoimg[0].width())*random.random()%(self.canvas.height()-logoimg[0].width()))
+ i.setZ(256*random.random()%256+256)
+ i.show()
+
+ def addCircle(self):
+ i = QCanvasEllipse(50,50,self.canvas)
+ i.setBrush( QBrush(QColor(256*random.random()%32*8,256*random.random()%32*8,256*random.random()%32*8) ))
+ i.move(self.canvas.width()*random.random()%self.canvas.width(),self.canvas.width()*random.random()%self.canvas.height())
+ i.setZ(256*random.random()%256)
+ i.show()
+
+ def addHexagon(self):
+ i = QCanvasPolygon(self.canvas)
+ size = canvas.width() / 25
+ pa=QPointArray(6)
+ pa.setPoint(0,QPoint(2*size,0))
+ pa.setPoint(1,QPoint(size,-size*173/100))
+ pa.setPoint(2,QPoint(-size,-size*173/100))
+ pa.setPoint(3,QPoint(-2*size,0))
+ pa.setPoint(4,QPoint(-size,size*173/100))
+ pa.setPoint(5,QPoint(size,size*173/100))
+ i.setPoints(pa)
+ i.setBrush( QBrush(QColor(256*random.random()%32*8,256*random.random()%32*8,256*random.random()%32*8) ))
+ i.move(self.canvas.width()*random.random()%self.canvas.width(),self.canvas.width()*random.random()%self.canvas.height())
+ i.setZ(256*random.random()%256)
+ i.show()
+
+ def addPolygon(self):
+ i = QCanvasPolygon(self.canvas)
+ size = self.canvas.width()/2
+ pa=QPointArray(6)
+ pa.setPoint(0, QPoint(0,0))
+ pa.setPoint(1, QPoint(size,size/5))
+ pa.setPoint(2, QPoint(size*4/5,size))
+ pa.setPoint(3, QPoint(size/6,size*5/4))
+ pa.setPoint(4, QPoint(size*3/4,size*3/4))
+ pa.setPoint(5, QPoint(size*3/4,size/4))
+
+ i.setPoints(pa)
+ i.setBrush(QBrush( QColor(256*random.random()%32*8,256*random.random()%32*8,256*random.random()%32*8)) )
+ i.move(self.canvas.width()*random.random()%self.canvas.width(),self.canvas.width()*random.random()%self.canvas.height())
+ i.setZ(256*random.random()%256)
+ i.show()
+
+ def addSpline(self):
+ i = QCanvasSpline(self.canvas)
+ size = canvas.width()/6
+ pa=QPointArray(12)
+ pa.setPoint(0,QPoint(0,0))
+ pa.setPoint(1,QPoint(size/2,0))
+ pa.setPoint(2,QPoint(size,size/2))
+ pa.setPoint(3,QPoint(size,size))
+ pa.setPoint(4,QPoint(size,size*3/2))
+ pa.setPoint(5,QPoint(size/2,size*2))
+ pa.setPoint(6,QPoint(0,size*2))
+ pa.setPoint(7,QPoint(-size/2,size*2))
+ pa.setPoint(8,QPoint(size/4,size*3/2))
+ pa.setPoint(9,QPoint(0,size))
+ pa.setPoint(10,QPoint(-size/4,size/2))
+ pa.setPoint(11,QPoint(-size/2,0))
+ i.setControlPoints(pa)
+ i.setBrush( QBrush(QColor(256*random.random()%32*8,256*random.random()%32*8,256*random.random()%32*8) ))
+ i.move(self.canvas.width()*random.random()%self.canvas.width(),self.canvas.width()*random.random()%self.canvas.height())
+ i.setZ(256*random.random()%256)
+ i.show()
+
+ def addText(self):
+ i = QCanvasText(self.canvas)
+ i.setText("QCanvasText")
+ i.move(self.canvas.width()*random.random()%self.canvas.width(),self.canvas.width()*random.random()%self.canvas.height())
+ i.setZ(256*random.random()%256)
+ i.show()
+
+ def addLine(self):
+ i = QCanvasLine(self.canvas);
+ i.setPoints( self.canvas.width()*random.random()%self.canvas.width(), self.canvas.width()*random.random()%self.canvas.height(),
+ self.canvas.width()*random.random()%self.canvas.width(), self.canvas.width()*random.random()%self.canvas.height() )
+ i.setPen( QPen(QColor(256*random.random()%32*8,256*random.random()%32*8,256*random.random()%32*8), 6) )
+ i.setZ(256*random.random()%256)
+ i.show()
+
+ def ternary(self,exp,x,y):
+ if exp:
+ return x
+ else:
+ return y
+
+ def addMesh(self):
+ x0 = 0;
+ y0 = 0;
+
+ if not self.tb:
+ self.tb = QBrush( Qt.red )
+ if not self.tp:
+ self.tp = QPen( Qt.black )
+
+ nodecount = 0;
+
+ w = self.canvas.width()
+ h = self.canvas.height()
+
+ dist = 30
+ rows = h / dist
+ cols = w / dist
+
+ #ifndef QT_NO_PROGRESSDIALOG
+ #progress=QProgressDialog( "Creating mesh...", "Abort", rows,
+ # self, "progress", True );
+ #endif
+
+ lastRow=[]
+ for c in range(cols):
+ lastRow.append(NodeItem(self.canvas))
+ for j in range(rows):
+ n = self.ternary(j%2 , cols-1 , cols)
+ prev = 0;
+ for i in range(n):
+ el = NodeItem( self.canvas )
+ nodecount=nodecount+1
+ r = 20*20*random.random()
+ xrand = r %20
+ yrand = (r/20) %20
+ el.move( xrand + x0 + i*dist + self.ternary(j%2 , dist/2 , 0 ),
+ yrand + y0 + j*dist );
+
+ if j > 0 :
+ if i < cols-1 :
+ EdgeItem( lastRow[i], el, self.canvas ).show()
+ if j%2 :
+ EdgeItem( lastRow[i+1], el, self.canvas ).show()
+ elif i > 0 :
+ EdgeItem( lastRow[i-1], el, self.canvas ).show()
+ if prev:
+ EdgeItem( prev, el, self.canvas ).show()
+
+ if i > 0 :
+ lastRow[i-1] = prev
+ prev = el
+ el.show()
+
+ lastRow[n-1]=prev
+ #ifndef QT_NO_PROGRESSDIALOG
+ #progress.setProgress( j )
+ #if progress.wasCancelled() :
+ # break
+ #endif
+
+ #ifndef QT_NO_PROGRESSDIALOG
+ #progress.setProgress( rows )
+ #endif
+ #// qDebug( "%d nodes, %d edges", nodecount, EdgeItem::count() );
+
+ def addRectangle(self):
+ i = QCanvasRectangle( self.canvas.width()*random.random()%self.canvas.width(),
+ self.canvas.width()*random.random()%self.canvas.height(),
+ self.canvas.width()/5,self.canvas.width()/5,self.canvas)
+ z = 256*random.random()%256
+ i.setBrush( QBrush(QColor(z,z,z) ))
+ i.setPen( QPen(QColor(self.canvas.width()*random.random()%32*8,
+ self.canvas.width()*random.random()%32*8,
+ self.canvas.width()*random.random()%32*8), 6) )
+ i.setZ(z)
+ i.show()
+
+
+if __name__=='__main__':
+ app=QApplication(sys.argv)
+
+ if len(sys.argv) > 1:
+ butterfly_fn=QString(sys.argv[1])
+ else:
+ butterfly_fn=QString("butterfly.png")
+
+ if len(sys.argv) > 2:
+ logo_fn = QString(sys.argv[2])
+ else:
+ logo_fn=QString("qtlogo.png")
+
+ canvas=QCanvas(800,600)
+ canvas.setAdvancePeriod(30)
+ m=Main(canvas,None,"pyqt canvas example")
+ m.resize(m.sizeHint())
+
+ qApp.setMainWidget(m)
+ m.setCaption("Qt Canvas Example ported to PyQt")
+ if QApplication.desktop().width() > m.width() + 10 and QApplication.desktop().height() > m.height() + 30:
+ m.show()
+ else:
+ m.showMaximized()
+
+ m.show();
+ #// m.help();
+ qApp.setMainWidget(None);
+
+ QObject.connect( qApp, SIGNAL("lastWindowClosed()"), qApp, SLOT("quit()") )
+
+ app.exec_loop()
+
+ # We need to explicitly delete the canvas now (and, therefore, the main
+ # window beforehand) to make sure that the sprite logo doesn't get garbage
+ # collected first.
+ views = []
+ del m
+ del canvas
generated by cgit v1.2.1 (git 2.18.0) at 2024-12-29 05:55:14 +0000