def __init__(self):
QMainWindow.__init__(self)
# 'Ui_MyMainWindow' is the class, that was generated by uic,
# naming convention is: 'Ui_' plus the name of root widget in designer
self.ui = Ui_DisplayWindow()
self.ui.setupUi(self)
class MyMainWindow(QMainWindow):
def __init__(self):
QMainWindow.__init__(self)
# 'Ui_MyMainWindow' is the class, that was generated by uic,
# naming convention is: 'Ui_' plus the name of root widget in designer
self.ui = Ui_DisplayWindow()
self.ui.setupUi(self)
@pyqtSlot()
def btnStartClicked(self):
self.ui.lstResults.clear()
lst = run(self.ui.boxNb.text())
for i in range(0, len(lst)):
strResult = " ".join(str(e) for e in lst[i])
self.ui.lstResults.addItem(strResult)
def paintEvent(self, event):
painter = QPainter(self)
lstRect = self.ui.lstResults.rect()
wndRect = self.rect()
nbPoints = self.ui.boxNb.text()
# définition de notre zone de dessin : à droite des listes/boutons et à 10 pixels de marge de chaque côté
drawingArea = QRect(lstRect.right() + 20, 10,
wndRect.width() - lstRect.width() - lstRect.x() - 30,
wndRect.height() - 20)
# on recadre la zone de dessin pour former un carré
if (drawingArea.width() > drawingArea.height()):
drawingArea.setWidth(drawingArea.height())
else:
drawingArea.setHeight(drawingArea.width())
print "Drawing circle from", drawingArea.x(), "/", drawingArea.y(), "to", drawingArea.right(), "/", drawingArea.bottom()
painter.drawEllipse(drawingArea)
selection = self.ui.lstResults.selectedItems()
if (selection == []):
print "Selection vide"
else:
x = drawingArea.left() + drawingArea.width()/2
y = drawingArea.top()
points = selection[0].text().split(" ")
for i in range(1, len(points)):
# calcul de l'angle par rapport à la verticale
angle = ((360 / len(points)) * (int(points[i]) - 1))
# conversion par rapport à l'horizontale
angle = (angle - 90) * -1
# conversion en radians (pour les fonctions cos() et sin() qui ne gèrent pas les degrés
angle = angle * math.pi / 180
# on va calculer la position du point destination par rapport au centre du cercle
# avec x et y définit à partir de la position centrale
# sin(angle) = (y) / rayon => y = rayon * sin(angle)
# cos(angle) = (x) / rayon => x = rayon * cos(angle)
sinus = math.sin(angle)
cosinus = math.cos(angle)
destX = drawingArea.x() + drawingArea.width()/2 + (cosinus * (drawingArea.width()/2))
destY = drawingArea.y() + drawingArea.height()/2 - (sinus * drawingArea.height()/2)
print "Angle = ", angle, " cos = ", cosinus, " sin = ", sinus
print "Drawing line from ", x, "/", y, "to", destX, "/", destY
painter.drawLine(x, y, destX, destY)
x = destX
y = destY
print "Drawing (final) line from", x, "/", y, "to", drawingArea.x() + drawingArea.width()/2, "/", drawingArea.y() + 10
painter.drawLine(x, y, drawingArea.x() + drawingArea.width()/2, drawingArea.y())
