Ejemplo n.º 1
0
 def __init__(self, scene, parent=None):
     super(ToolDefView, self).__init__(parent)
     self.setStyleSheet("QGraphicsView { background-color: #ddddff; }")
     self.setRenderHints(QPainter.Antialiasing)
     self.setHorizontalScrollBarPolicy(Qt.ScrollBarAlwaysOff)
     self.setVerticalScrollBarPolicy(Qt.ScrollBarAlwaysOff)
     self.setScene(scene)
     src = self.sceneRect().center()
     # Cartesian coord sys w/origin at the center of the scene rect
     self.setTransform(QTransform().scale(1, -1) \
                           .translate(src.x(), src.y()))
     # for dimension
     self.dimBox = DimEdit(self)
     self.dimBox.hide()
     # for comment
     self.commentBox = CommentEdit(self)
     self.commentBox.hide()
     self.fitInView(QRectF(-.5, -.5, 1.0, 1.0), qt.KeepAspectRatio)
Ejemplo n.º 2
0
 def __init__(self, scene, parent=None):
     super(ToolDefView, self).__init__(parent)
     self.setStyleSheet("QGraphicsView { background-color: #ddddff; }")
     self.setRenderHints(QPainter.Antialiasing)
     self.setHorizontalScrollBarPolicy(Qt.ScrollBarAlwaysOff)
     self.setVerticalScrollBarPolicy(Qt.ScrollBarAlwaysOff)
     self.setScene(scene)
     src = self.sceneRect().center()
     # Cartesian coord sys w/origin at the center of the scene rect
     self.setTransform(QTransform().scale(1, -1) \
                           .translate(src.x(), src.y()))
     # for dimension
     self.dimBox = DimEdit(self)
     self.dimBox.hide()
     # for comment
     self.commentBox = CommentEdit(self)
     self.commentBox.hide()
     self.fitInView(QRectF(-.5, -.5, 1.0, 1.0), qt.KeepAspectRatio)
Ejemplo n.º 3
0
class ToolDefView(QGraphicsView):
    def __init__(self, scene, parent=None):
        super(ToolDefView, self).__init__(parent)
        self.setStyleSheet("QGraphicsView { background-color: #ddddff; }")
        self.setRenderHints(QPainter.Antialiasing)
        self.setHorizontalScrollBarPolicy(Qt.ScrollBarAlwaysOff)
        self.setVerticalScrollBarPolicy(Qt.ScrollBarAlwaysOff)
        self.setScene(scene)
        src = self.sceneRect().center()
        # Cartesian coord sys w/origin at the center of the scene rect
        self.setTransform(QTransform().scale(1, -1) \
                              .translate(src.x(), src.y()))
        # for dimension
        self.dimBox = DimEdit(self)
        self.dimBox.hide()
        # for comment
        self.commentBox = CommentEdit(self)
        self.commentBox.hide()
        self.fitInView(QRectF(-.5, -.5, 1.0, 1.0), qt.KeepAspectRatio)
    def sizeHint(self):
        return QSize(300, 900)
    def updatePixelSize(self):
        sz = self.mapToScene(QRect(0, 0, 1, 1)).boundingRect().width()
        self.scene().pixelSize = sz
        return sz
    def fitAll(self):
        """Fit tool profile and dimensions into the view.

        Because the dimension labels do not scale, a half-assed iterative
        approach is used to position and fit them.
        """
        items = self.scene().items()
        ps = 0
        iters = 1
        while True:
            r = QRectF()
            for item in items:
                if not item.parentItem():
                    r = r.united(item.sceneBoundingRect())
            self.fitInView(r, qt.KeepAspectRatio)
            pps = self.updatePixelSize()
            for item in items:
                if isinstance(item, ToolDef):
                    item.config()
            if iters == 20 or abs(ps - pps) < 0.0001:
                break
            ps = pps
            iters += 1
        # print 'iters', iters
    def resizeEvent(self, e):
        super(ToolDefView, self).resizeEvent(e)
        self.fitAll()
        if self.dimBox.isVisible():
            self.posEditBox(self.dimBox)
        elif self.commentBox.isVisible():
            self.posEditBox(self.commentBox)
    def posEditBox(self, box):
        """Ensure the dimension edit text box is not clipped if possible.

        If both the left and right sides are clipped, it's just centered over
        the dim as if it were not clipped.
        """
        item = box.item
        viewpos = self.mapFromScene(item.pos())
        sz = box.size()
        lclip = min(0, viewpos.x() - sz.width() / 2.0)
        rclip = max(0, viewpos.x() + sz.width() / 2.0 - self.width())
        if lclip and rclip or not lclip and not rclip:
            box.move(viewpos.x() - sz.width() / 2,
                     viewpos.y() - sz.height() / 2)
        elif lclip:
            box.move(viewpos.x() - sz.width() / 2 - lclip,
                     viewpos.y() - sz.height() / 2)
        elif rclip:
            box.move(viewpos.x() - sz.width() / 2 - rclip,
                     viewpos.y() - sz.height() / 2)
    def mousePressEvent(self, e):
        """Handle Dimension selection.
        
        When a dimension is clicked, an associated line edit box is shown and
        given focus. If one is already visible and the mouse is clicked on
        anything except another dimension text, the line edit is hidden.
        """
        # other buttons do nothing
        if e.button() == qt.LeftButton:
            item = self.itemAt(e.pos())
            self.commentBox.hide()
            self.dimBox.hide()
            if item and isinstance(item, (DimLabel, CommentLabel)):
                if isinstance(item, DimLabel):
                    box = self.dimBox
                elif isinstance(item, CommentLabel):
                    box = self.commentBox
                box.setItem(item)
                box.setText(item.text())
                box.selectAll()
                box.show()
                self.posEditBox(box)
                box.setFocus()
    def keyPressEvent(self, e):
        # eat it
        pass
    def wheelEvent(self, e):
        # eat it
        pass
Ejemplo n.º 4
0
class ToolDefView(QGraphicsView):
    def __init__(self, scene, parent=None):
        super(ToolDefView, self).__init__(parent)
        self.setStyleSheet("QGraphicsView { background-color: #ddddff; }")
        self.setRenderHints(QPainter.Antialiasing)
        self.setHorizontalScrollBarPolicy(Qt.ScrollBarAlwaysOff)
        self.setVerticalScrollBarPolicy(Qt.ScrollBarAlwaysOff)
        self.setScene(scene)
        src = self.sceneRect().center()
        # Cartesian coord sys w/origin at the center of the scene rect
        self.setTransform(QTransform().scale(1, -1) \
                              .translate(src.x(), src.y()))
        # for dimension
        self.dimBox = DimEdit(self)
        self.dimBox.hide()
        # for comment
        self.commentBox = CommentEdit(self)
        self.commentBox.hide()
        self.fitInView(QRectF(-.5, -.5, 1.0, 1.0), qt.KeepAspectRatio)

    def sizeHint(self):
        return QSize(300, 900)

    def updatePixelSize(self):
        sz = self.mapToScene(QRect(0, 0, 1, 1)).boundingRect().width()
        self.scene().pixelSize = sz
        return sz

    def fitAll(self):
        """Fit tool profile and dimensions into the view.

        Because the dimension labels do not scale, a half-assed iterative
        approach is used to position and fit them.
        """
        items = self.scene().items()
        ps = 0
        iters = 1
        while True:
            r = QRectF()
            for item in items:
                if not item.parentItem():
                    r = r.united(item.sceneBoundingRect())
            self.fitInView(r, qt.KeepAspectRatio)
            pps = self.updatePixelSize()
            for item in items:
                if isinstance(item, ToolDef):
                    item.config()
            if iters == 20 or abs(ps - pps) < 0.0001:
                break
            ps = pps
            iters += 1
        # print 'iters', iters
    def resizeEvent(self, e):
        super(ToolDefView, self).resizeEvent(e)
        self.fitAll()
        if self.dimBox.isVisible():
            self.posEditBox(self.dimBox)
        elif self.commentBox.isVisible():
            self.posEditBox(self.commentBox)

    def posEditBox(self, box):
        """Ensure the dimension edit text box is not clipped if possible.

        If both the left and right sides are clipped, it's just centered over
        the dim as if it were not clipped.
        """
        item = box.item
        viewpos = self.mapFromScene(item.pos())
        sz = box.size()
        lclip = min(0, viewpos.x() - sz.width() / 2.0)
        rclip = max(0, viewpos.x() + sz.width() / 2.0 - self.width())
        if lclip and rclip or not lclip and not rclip:
            box.move(viewpos.x() - sz.width() / 2,
                     viewpos.y() - sz.height() / 2)
        elif lclip:
            box.move(viewpos.x() - sz.width() / 2 - lclip,
                     viewpos.y() - sz.height() / 2)
        elif rclip:
            box.move(viewpos.x() - sz.width() / 2 - rclip,
                     viewpos.y() - sz.height() / 2)

    def mousePressEvent(self, e):
        """Handle Dimension selection.
        
        When a dimension is clicked, an associated line edit box is shown and
        given focus. If one is already visible and the mouse is clicked on
        anything except another dimension text, the line edit is hidden.
        """
        # other buttons do nothing
        if e.button() == qt.LeftButton:
            item = self.itemAt(e.pos())
            self.commentBox.hide()
            self.dimBox.hide()
            if item and isinstance(item, (DimLabel, CommentLabel)):
                if isinstance(item, DimLabel):
                    box = self.dimBox
                elif isinstance(item, CommentLabel):
                    box = self.commentBox
                box.setItem(item)
                box.setText(item.text())
                box.selectAll()
                box.show()
                self.posEditBox(box)
                box.setFocus()

    def keyPressEvent(self, e):
        # eat it
        pass

    def wheelEvent(self, e):
        # eat it
        pass