def showPopup(self):
from sets import Set as set
upgrades = list_upgradable()
newUpgrades = set(upgrades) - set(self.lastUpgrades)
self.lastUpgrades = upgrades
if not len(upgrades) or not newUpgrades:
return
icon = KGlobal.iconLoader().loadIcon("package-manager", KIcon.Desktop, 48)
message = i18n("There are <b>%1</b> updates available!").arg(len(upgrades))
self.popup = BalloonMessage(self, icon, message)
pos = self.mapToGlobal(self.pos())
self.popup.setAnchor(pos)
self.popup.show()
def updateTrayIcon(self):
nofUpgrades = len(list_upgradable())
if not nofUpgrades:
self.setPixmap(self.icon)
return
oldW = self.pixmap().size().width()
oldH = self.pixmap().size().height()
uStr = QString.number(nofUpgrades)
f = KGlobalSettings.generalFont()
f.setBold(True)
pointSize = f.pointSizeFloat()
fm = QFontMetrics(f)
w = fm.width(uStr)
if w > oldW:
pointSize *= float(oldW) / float(w)
f.setPointSizeFloat(pointSize)
pix = QPixmap(oldW, oldH)
pix.fill(Qt.white)
p = QPainter(pix)
p.setFont(f)
p.setPen(Qt.blue)
p.drawText(pix.rect(), Qt.AlignCenter, uStr)
pix.setMask(pix.createHeuristicMask())
img = QImage(pix.convertToImage())
overlayImg = QImage(self.overlayIcon.copy())
KIconEffect.overlay(overlayImg, img)
icon = QPixmap()
icon.convertFromImage(overlayImg)
self.setPixmap(icon)
# for cannot destroy paint device error
p = None
