Exemplo n.º 1
0
    class InteractiveLetterItem(QGraphicsRectItem):
        """This is a class"""
        def __init__(self, *arg, **karg):
            QGraphicsRectItem.__init__(self, *arg, **karg)
            self.codon = None
            self.label = None
            self.setAcceptsHoverEvents(True)

        def hoverEnterEvent(self, e):
            """ when mouse is over"""
            if not self.label:
                self.label = QGraphicsRectItem(parent=self)
                #self.label.setY(-18)
                self.label.setX(11)
                self.label.setBrush(QBrush(QColor("white")))
                self.label.text = QGraphicsSimpleTextItem(parent=self.label)

            self.setZValue(1)
            self.label.text.setText(self.codon)
            self.label.setRect(self.label.text.boundingRect())
            self.label.setVisible(True)

        def hoverLeaveEvent(self, e):
            """when mouse leaves area"""
            if self.label:
                self.label.setVisible(False)
                self.setZValue(0)
Exemplo n.º 2
0
class InteractiveItem(QGraphicsRectItem):
    def __init__(self, *arg, **karg):
        QGraphicsRectItem.__init__(self, *arg, **karg)
        self.node = None
        self.label = None
        self.setCursor(QtCore.Qt.PointingHandCursor)
        self.setAcceptsHoverEvents(True)

    def hoverEnterEvent (self, e):
        # There are many ways of adding interactive elements. With the
        # following code, I show/hide a text item over my custom
        # DynamicItemFace
        if not self.label: 
            self.label = QGraphicsRectItem()
            self.label.setParentItem(self)
            # This is to ensure that the label is rendered over the
            # rest of item children (default ZValue for items is 0)
            self.label.setZValue(1)
            self.label.setBrush(QBrush(QColor("white")))
            self.label.text = QGraphicsSimpleTextItem()
            self.label.text.setParentItem(self.label)

        self.label.text.setText(self.node.name)
        self.label.setRect(self.label.text.boundingRect())
        self.label.setVisible(True)

    def hoverLeaveEvent(self, e):
        if self.label: 
            self.label.setVisible(False)
Exemplo n.º 3
0
 class InteractiveLetterItem(QGraphicsRectItem):
     """This is a class"""
     def __init__(self, *arg, **karg):
         QGraphicsRectItem.__init__(self, *arg, **karg)
         self.codon = None
         self.label = None
         self.setAcceptsHoverEvents(True)
 
     def hoverEnterEvent (self, e):
         """ when mouse is over"""
         if not self.label:
             self.label = QGraphicsRectItem(parent=self)
             #self.label.setY(-18)
             self.label.setX(11)
             self.label.setBrush(QBrush(QColor("white")))
             self.label.text = QGraphicsSimpleTextItem(parent=self.label)
 
         self.setZValue(1)
         self.label.text.setText(self.codon)
         self.label.setRect(self.label.text.boundingRect())
         self.label.setVisible(True)
 
     def hoverLeaveEvent(self, e):
         """when mouse leaves area"""
         if self.label: 
             self.label.setVisible(False)
             self.setZValue(0)
Exemplo n.º 4
0
class InteractiveItem(QGraphicsRectItem):
    def __init__(self, *arg, **karg):
        QGraphicsRectItem.__init__(self, *arg, **karg)
        self.node = None
        self.label = None
        self.setCursor(QtCore.Qt.PointingHandCursor)
        self.setAcceptsHoverEvents(True)

    def hoverEnterEvent(self, e):
        # There are many ways of adding interactive elements. With the
        # following code, I show/hide a text item over my custom
        # DynamicItemFace
        if not self.label:
            self.label = QGraphicsRectItem()
            self.label.setParentItem(self)
            # This is to ensure that the label is rendered over the
            # rest of item children (default ZValue for items is 0)
            self.label.setZValue(1)
            self.label.setBrush(QBrush(QColor("white")))
            self.label.text = QGraphicsSimpleTextItem()
            self.label.text.setParentItem(self.label)

        self.label.text.setText(self.node.name)
        self.label.setRect(self.label.text.boundingRect())
        self.label.setVisible(True)

    def hoverLeaveEvent(self, e):
        if self.label:
            self.label.setVisible(False)
Exemplo n.º 5
0
class MJScene(QGraphicsScene):
    """our scene with a potential Qt bug fix"""
    def __init__(self):
        QGraphicsScene.__init__(self)
        self.__disableFocusRect = False
        self._focusBoard = None
        self.focusRect = QGraphicsRectItem()
        pen = QPen(QColor(Qt.blue))
        pen.setWidth(6)
        self.focusRect.setPen(pen)
        self.addItem(self.focusRect)
        self.focusRect.setZValue(ZValues.marker)
        self.focusRect.hide()

    def __focusRectVisible(self):
        """should we show it?"""
        game = InternalParameters.field.game
        board = self._focusBoard
        return bool(not self.__disableFocusRect
                and board
                and board.hasFocus
                and board.focusTile
                and game
                and not game.autoPlay)

    @apply
    def disableFocusRect(): # pylint: disable=E0202
        """suppress focusrect"""
        def fget(self):
            # pylint: disable=W0212
            return self.__disableFocusRect
        def fset(self, value):
            # pylint: disable=W0212
            # always place or hide, even if value does not change
            self.__disableFocusRect = value
            if value:
                self.focusRect.hide()
            else:
                self.placeFocusRect()
        return property(**locals())

    @apply
    def focusBoard(): # pylint: disable=E0202
        """get / set the board that has its focusRect shown"""
        def fget(self):
            # pylint: disable=W0212
            return self._focusBoard
        def fset(self, board):
            # pylint: disable=W0212
            self._focusBoard = board
            focusTile = board.focusTile if board else None
            if focusTile:
                focusTile.graphics.setFocus()
                self.placeFocusRect()
            self.focusRect.setVisible(self.__focusRectVisible())
        return property(**locals())

    def placeFocusRect(self):
        """show a blue rect around tile"""
        board = self._focusBoard
        if isAlive(board) and self.__focusRectVisible():
            rect = board.tileFaceRect()
            rect.setWidth(rect.width()*board.focusRectWidth())
            self.focusRect.setRect(rect)
            self.focusRect.setPos(board.focusTile.graphics.pos())
            self.focusRect.setRotation(board.sceneRotation())
            self.focusRect.setScale(board.scale())
            self.focusRect.show()
        else:
            self.focusRect.hide()

    def graphicsTileItems(self):
        """returns all GraphicsTileItems in the scene"""
        return (x for x in self.items() if isinstance(x, GraphicsTileItem))

    def nonTiles(self):
        """returns all other items in the scene"""
        return (x for x in self.items() if not isinstance(x, GraphicsTileItem))

    def removeTiles(self):
        """remove all tiles from scene"""
        for item in self.graphicsTileItems():
            self.removeItem(item)
        self.focusRect.hide()
Exemplo n.º 6
0
class MJScene(QGraphicsScene):
    """our scene with a potential Qt bug fix"""
    def __init__(self):
        QGraphicsScene.__init__(self)
        self.__disableFocusRect = False
        self._focusBoard = None
        self.focusRect = QGraphicsRectItem()
        pen = QPen(QColor(Qt.blue))
        pen.setWidth(6)
        self.focusRect.setPen(pen)
        self.addItem(self.focusRect)
        self.focusRect.setZValue(ZValues.marker)
        self.focusRect.hide()

    def focusInEvent(self, event):
        """work around a qt bug. See https://bugreports.qt-project.org/browse/QTBUG-32890
        This can be reproduced as follows:
           ./kajongg.py --game=whatever --autoplay=SomeRuleset
               such that the human player is the first one to discard a tile.
           wait until the main screen has been built
           click with the mouse into the middle of that window
           press left arrow key
           this will violate the assertion in GraphicsTileItem.keyPressEvent """
        prev = self.focusItem()
        QGraphicsScene.focusInEvent(self, event)
        if prev and bool(prev.flags() & QGraphicsItem.ItemIsFocusable) and prev != self.focusItem():
            self.setFocusItem(prev)

    def __focusRectVisible(self):
        """should we show it?"""
        game = Internal.field.game
        board = self._focusBoard
        return bool(not self.__disableFocusRect
                and board
                and board.hasFocus
                and board.focusTile
                and game
                and not game.autoPlay)

    @property
    def disableFocusRect(self):
        """suppress focusrect"""
        return self.__disableFocusRect

    @disableFocusRect.setter
    def disableFocusRect(self, value):
        """always place or hide, even if value does not change"""
        self.__disableFocusRect = value
        if value:
            self.focusRect.hide()
        else:
            self.placeFocusRect()

    @property
    def focusBoard(self):
        """get / set the board that has its focusRect shown"""
        return self._focusBoard

    @focusBoard.setter
    def focusBoard(self, board):
        """get / set the board that has its focusRect shown"""
        self._focusBoard = board
        focusTile = board.focusTile if board else None
        if focusTile:
            focusTile.graphics.setFocus()
            self.placeFocusRect()
        self.focusRect.setVisible(self.__focusRectVisible())

    def placeFocusRect(self):
        """show a blue rect around tile"""
        board = self._focusBoard
        if isAlive(board) and self.__focusRectVisible():
            rect = board.tileFaceRect()
            rect.setWidth(rect.width()*board.focusRectWidth())
            self.focusRect.setRect(rect)
            self.focusRect.setPos(board.focusTile.graphics.pos())
            self.focusRect.setRotation(board.sceneRotation())
            self.focusRect.setScale(board.scale())
            self.focusRect.show()
        else:
            self.focusRect.hide()

    def graphicsTileItems(self):
        """returns all GraphicsTileItems in the scene"""
        return (x for x in self.items() if isinstance(x, GraphicsTileItem))

    def nonTiles(self):
        """returns all other items in the scene"""
        return (x for x in self.items() if not isinstance(x, GraphicsTileItem))

    def removeTiles(self):
        """remove all tiles from scene"""
        for item in self.graphicsTileItems():
            self.removeItem(item)
        self.focusRect.hide()