コード例 #1
0
    def adjustGeometry(self):
        # type: () -> None
        """
        Adjust the widget geometry to exactly fit the arrow inside
        while preserving the arrow path scene geometry.

        """
        # local system coordinate
        geom = self.geometry().translated(-self.pos())
        line = self.__line

        arrow_rect = self.__arrowItem.shape().boundingRect()

        if geom.isNull() and not line.isNull():
            geom = QRectF(0, 0, 1, 1)

        if not (geom.contains(arrow_rect)):
            geom = geom.united(arrow_rect)

        geom = geom.intersected(arrow_rect)
        diff = geom.topLeft()
        line = QLineF(line.p1() - diff, line.p2() - diff)
        geom.translate(self.pos())
        self.setGeometry(geom)
        self.setLine(line)
コード例 #2
0
    def setLine(self, line):
        # type: (QLineF) -> None
        """
        Set the arrow base line (a `QLineF` in object coordinates).
        """
        if self.__line != line:
            self.__line = QLineF(line)

            # local item coordinate system
            geom = self.geometry().translated(-self.pos())

            if geom.isNull() and not line.isNull():
                geom = QRectF(0, 0, 1, 1)

            arrow_shape = arrow_path_concave(line, self.lineWidth())
            arrow_rect = arrow_shape.boundingRect()

            if not (geom.contains(arrow_rect)):
                geom = geom.united(arrow_rect)

            if self.__autoAdjustGeometry:
                # Shrink the geometry if required.
                geom = geom.intersected(arrow_rect)

            # topLeft can move changing the local coordinates.
            diff = geom.topLeft()
            line = QLineF(line.p1() - diff, line.p2() - diff)
            self.__arrowItem.setLine(line)
            self.__arrowShadowBase.setLine(line)
            self.__line = line

            # parent item coordinate system
            geom.translate(self.pos())
            self.setGeometry(geom)
コード例 #3
0
ファイル: annotationitem.py プロジェクト: PrimozGodec/orange3
    def setLine(self, line):
        """
        Set the arrow base line (a `QLineF` in object coordinates).
        """
        if self.__line != line:
            self.__line = QLineF(line)

            # local item coordinate system
            geom = self.geometry().translated(-self.pos())

            if geom.isNull() and not line.isNull():
                geom = QRectF(0, 0, 1, 1)

            arrow_shape = arrow_path_concave(line, self.lineWidth())
            arrow_rect = arrow_shape.boundingRect()

            if not (geom.contains(arrow_rect)):
                geom = geom.united(arrow_rect)

            if self.__autoAdjustGeometry:
                # Shrink the geometry if required.
                geom = geom.intersected(arrow_rect)

            # topLeft can move changing the local coordinates.
            diff = geom.topLeft()
            line = QLineF(line.p1() - diff, line.p2() - diff)
            self.__arrowItem.setLine(line)
            self.__arrowShadowBase.setLine(line)
            self.__line = line

            # parent item coordinate system
            geom.translate(self.pos())
            self.setGeometry(geom)
コード例 #4
0
ファイル: annotationitem.py プロジェクト: PrimozGodec/orange3
    def adjustGeometry(self):
        """
        Adjust the widget geometry to exactly fit the arrow inside
        while preserving the arrow path scene geometry.

        """
        # local system coordinate
        geom = self.geometry().translated(-self.pos())
        line = self.__line

        arrow_rect = self.__arrowItem.shape().boundingRect()

        if geom.isNull() and not line.isNull():
            geom = QRectF(0, 0, 1, 1)

        if not (geom.contains(arrow_rect)):
            geom = geom.united(arrow_rect)

        geom = geom.intersected(arrow_rect)
        diff = geom.topLeft()
        line = QLineF(line.p1() - diff, line.p2() - diff)
        geom.translate(self.pos())
        self.setGeometry(geom)
        self.setLine(line)
コード例 #5
0
    def update(self, zoom_only=False):
        self.update_ticks()
        line_color = self.plot.color(OWPalette.Axis)
        text_color = self.plot.color(OWPalette.Text)
        if not self.graph_line or not self.scene():
            return
        self.line_item.setLine(self.graph_line)
        self.line_item.setPen(line_color)
        if self.title:
            self.title_item.setHtml('<b>' + self.title + '</b>')
            self.title_item.setDefaultTextColor(text_color)
        if self.title_location == AxisMiddle:
            title_p = 0.5
        elif self.title_location == AxisEnd:
            title_p = 0.95
        else:
            title_p = 0.05
        title_pos = self.graph_line.pointAt(title_p)
        v = self.graph_line.normalVector().unitVector()

        dense_text = False
        if hasattr(self, 'title_margin'):
            offset = self.title_margin
        elif self._ticks:
            if self.should_be_expanded():
                offset = 55
                dense_text = True
            else:
                offset = 35
        else:
            offset = 10

        if self.title_above:
            title_pos += (v.p2() - v.p1()) * (
                offset + QFontMetrics(self.title_item.font()).height())
        else:
            title_pos -= (v.p2() - v.p1()) * offset
            ## TODO: Move it according to self.label_pos
        self.title_item.setVisible(self.show_title)
        self.title_item.setRotation(-self.graph_line.angle())
        c = self.title_item.mapToParent(
            self.title_item.boundingRect().center())
        tl = self.title_item.mapToParent(
            self.title_item.boundingRect().topLeft())
        self.title_item.setPos(title_pos - c + tl)

        ## Arrows
        if not zoom_only:
            if self.start_arrow_item:
                self.scene().removeItem(self.start_arrow_item)
                self.start_arrow_item = None
            if self.end_arrow_item:
                self.scene().removeItem(self.end_arrow_item)
                self.end_arrow_item = None

        if self.arrows & AxisStart:
            if not zoom_only or not self.start_arrow_item:
                self.start_arrow_item = QGraphicsPathItem(
                    self.arrow_path, self)
            self.start_arrow_item.setPos(self.graph_line.p1())
            self.start_arrow_item.setRotation(-self.graph_line.angle() + 180)
            self.start_arrow_item.setBrush(line_color)
            self.start_arrow_item.setPen(line_color)
        if self.arrows & AxisEnd:
            if not zoom_only or not self.end_arrow_item:
                self.end_arrow_item = QGraphicsPathItem(self.arrow_path, self)
            self.end_arrow_item.setPos(self.graph_line.p2())
            self.end_arrow_item.setRotation(-self.graph_line.angle())
            self.end_arrow_item.setBrush(line_color)
            self.end_arrow_item.setPen(line_color)

        ## Labels

        n = len(self._ticks)
        resize_plot_item_list(self.label_items, n, QGraphicsTextItem, self)
        resize_plot_item_list(self.label_bg_items, n, QGraphicsRectItem, self)
        resize_plot_item_list(self.tick_items, n, QGraphicsLineItem, self)

        test_rect = QRectF(self.graph_line.p1(),
                           self.graph_line.p2()).normalized()
        test_rect.adjust(-1, -1, 1, 1)

        n_v = self.graph_line.normalVector().unitVector()
        if self.title_above:
            n_p = n_v.p2() - n_v.p1()
        else:
            n_p = n_v.p1() - n_v.p2()
        l_v = self.graph_line.unitVector()
        l_p = l_v.p2() - l_v.p1()
        for i in range(n):
            pos, text, size, step = self._ticks[i]
            hs = 0.5 * step
            tick_pos = self.map_to_graph(pos)
            if not test_rect.contains(tick_pos):
                self.tick_items[i].setVisible(False)
                self.label_items[i].setVisible(False)
                continue
            item = self.label_items[i]
            item.setVisible(True)
            if not zoom_only:
                if self.id in XAxes or getattr(self, 'is_horizontal', False):
                    item.setHtml('<center>' + Qt.escape(text.strip()) +
                                 '</center>')
                else:
                    item.setHtml(Qt.escape(text.strip()))

            item.setTextWidth(-1)
            text_angle = 0
            if dense_text:
                w = min(item.boundingRect().width(), self.max_text_width)
                item.setTextWidth(w)
                if self.title_above:
                    label_pos = tick_pos + n_p * (
                        w + self.text_margin
                    ) + l_p * item.boundingRect().height() / 2
                else:
                    label_pos = tick_pos + n_p * self.text_margin + l_p * item.boundingRect(
                    ).height() / 2
                text_angle = -90 if self.title_above else 90
            else:
                w = min(
                    item.boundingRect().width(),
                    QLineF(self.map_to_graph(pos - hs),
                           self.map_to_graph(pos + hs)).length())
                label_pos = tick_pos + n_p * self.text_margin + l_p * item.boundingRect(
                ).height() / 2
                item.setTextWidth(w)

            if not self.always_horizontal_text:
                if self.title_above:
                    item.setRotation(-self.graph_line.angle() - text_angle)
                else:
                    item.setRotation(self.graph_line.angle() - text_angle)

            item.setPos(label_pos)
            item.setDefaultTextColor(text_color)

            self.label_bg_items[i].setRect(item.boundingRect())
            self.label_bg_items[i].setPen(QPen(Qt.NoPen))
            self.label_bg_items[i].setBrush(self.plot.color(OWPalette.Canvas))

            item = self.tick_items[i]
            item.setVisible(True)
            tick_line = QLineF(v)
            tick_line.translate(-tick_line.p1())
            tick_line.setLength(size)
            if self.title_above:
                tick_line.setAngle(tick_line.angle() + 180)
            item.setLine(tick_line)
            item.setPen(line_color)
            item.setPos(self.map_to_graph(pos))
コード例 #6
0
ファイル: owaxis.py プロジェクト: RachitKansal/orange3
    def update(self, zoom_only=False):
        self.update_ticks()
        line_color = self.plot.color(OWPalette.Axis)
        text_color = self.plot.color(OWPalette.Text)
        if not self.graph_line or not self.scene():
            return
        self.line_item.setLine(self.graph_line)
        self.line_item.setPen(line_color)
        if self.title:
            self.title_item.setHtml('<b>' + self.title + '</b>')
            self.title_item.setDefaultTextColor(text_color)
        if self.title_location == AxisMiddle:
            title_p = 0.5
        elif self.title_location == AxisEnd:
            title_p = 0.95
        else:
            title_p = 0.05
        title_pos = self.graph_line.pointAt(title_p)
        v = self.graph_line.normalVector().unitVector()

        dense_text = False
        if hasattr(self, 'title_margin'):
            offset = self.title_margin
        elif self._ticks:
            if self.should_be_expanded():
                offset = 55
                dense_text = True
            else:
                offset = 35
        else:
            offset = 10

        if self.title_above:
            title_pos += (v.p2() - v.p1()) * (offset + QFontMetrics(self.title_item.font()).height())
        else:
            title_pos -= (v.p2() - v.p1()) * offset
            ## TODO: Move it according to self.label_pos
        self.title_item.setVisible(self.show_title)
        self.title_item.setRotation(-self.graph_line.angle())
        c = self.title_item.mapToParent(self.title_item.boundingRect().center())
        tl = self.title_item.mapToParent(self.title_item.boundingRect().topLeft())
        self.title_item.setPos(title_pos - c + tl)

        ## Arrows
        if not zoom_only:
            if self.start_arrow_item:
                self.scene().removeItem(self.start_arrow_item)
                self.start_arrow_item = None
            if self.end_arrow_item:
                self.scene().removeItem(self.end_arrow_item)
                self.end_arrow_item = None

        if self.arrows & AxisStart:
            if not zoom_only or not self.start_arrow_item:
                self.start_arrow_item = QGraphicsPathItem(self.arrow_path, self)
            self.start_arrow_item.setPos(self.graph_line.p1())
            self.start_arrow_item.setRotation(-self.graph_line.angle() + 180)
            self.start_arrow_item.setBrush(line_color)
            self.start_arrow_item.setPen(line_color)
        if self.arrows & AxisEnd:
            if not zoom_only or not self.end_arrow_item:
                self.end_arrow_item = QGraphicsPathItem(self.arrow_path, self)
            self.end_arrow_item.setPos(self.graph_line.p2())
            self.end_arrow_item.setRotation(-self.graph_line.angle())
            self.end_arrow_item.setBrush(line_color)
            self.end_arrow_item.setPen(line_color)

        ## Labels

        n = len(self._ticks)
        resize_plot_item_list(self.label_items, n, QGraphicsTextItem, self)
        resize_plot_item_list(self.label_bg_items, n, QGraphicsRectItem, self)
        resize_plot_item_list(self.tick_items, n, QGraphicsLineItem, self)

        test_rect = QRectF(self.graph_line.p1(), self.graph_line.p2()).normalized()
        test_rect.adjust(-1, -1, 1, 1)

        n_v = self.graph_line.normalVector().unitVector()
        if self.title_above:
            n_p = n_v.p2() - n_v.p1()
        else:
            n_p = n_v.p1() - n_v.p2()
        l_v = self.graph_line.unitVector()
        l_p = l_v.p2() - l_v.p1()
        for i in range(n):
            pos, text, size, step = self._ticks[i]
            hs = 0.5 * step
            tick_pos = self.map_to_graph(pos)
            if not test_rect.contains(tick_pos):
                self.tick_items[i].setVisible(False)
                self.label_items[i].setVisible(False)
                continue
            item = self.label_items[i]
            item.setVisible(True)
            if not zoom_only:
                if self.id in XAxes or getattr(self, 'is_horizontal', False):
                    item.setHtml('<center>' + Qt.escape(text.strip()) + '</center>')
                else:
                    item.setHtml(Qt.escape(text.strip()))

            item.setTextWidth(-1)
            text_angle = 0
            if dense_text:
                w = min(item.boundingRect().width(), self.max_text_width)
                item.setTextWidth(w)
                if self.title_above:
                    label_pos = tick_pos + n_p * (w + self.text_margin) + l_p * item.boundingRect().height() / 2
                else:
                    label_pos = tick_pos + n_p * self.text_margin + l_p * item.boundingRect().height() / 2
                text_angle = -90 if self.title_above else 90
            else:
                w = min(item.boundingRect().width(),
                        QLineF(self.map_to_graph(pos - hs), self.map_to_graph(pos + hs)).length())
                label_pos = tick_pos + n_p * self.text_margin + l_p * item.boundingRect().height() / 2
                item.setTextWidth(w)

            if not self.always_horizontal_text:
                if self.title_above:
                    item.setRotation(-self.graph_line.angle() - text_angle)
                else:
                    item.setRotation(self.graph_line.angle() - text_angle)

            item.setPos(label_pos)
            item.setDefaultTextColor(text_color)

            self.label_bg_items[i].setRect(item.boundingRect())
            self.label_bg_items[i].setPen(QPen(Qt.NoPen))
            self.label_bg_items[i].setBrush(self.plot.color(OWPalette.Canvas))

            item = self.tick_items[i]
            item.setVisible(True)
            tick_line = QLineF(v)
            tick_line.translate(-tick_line.p1())
            tick_line.setLength(size)
            if self.title_above:
                tick_line.setAngle(tick_line.angle() + 180)
            item.setLine(tick_line)
            item.setPen(line_color)
            item.setPos(self.map_to_graph(pos))