Examples with Bounds org.apache.pivot.wtk.Bounds used on opensource projects

Example 11 with Bounds

use of org.apache.pivot.wtk.Bounds in project pivot by apache.

the class TextPaneSkinParagraphView method getPreferredSize.

@Override
public Dimensions getPreferredSize(int breakWidth) {
    // Break the views into multiple rows
    Paragraph paragraph = (Paragraph) getNode();
    ArrayList<Row> rowsLocal = new ArrayList<>();
    int offset = 0;
    ParagraphChildLayouter layouter = new ParagraphChildLayouter();
    Row row = new Row();
    for (TextPaneSkinNodeView nodeView : this) {
        nodeView.layout(Math.max(breakWidth - (row.width + PARAGRAPH_TERMINATOR_WIDTH), 0));
        int nodeViewWidth = nodeView.getWidth();
        if (row.width + nodeViewWidth > breakWidth && row.width > 0) {
            // The view is too big to fit in the remaining space,
            // and it is not the only view in this row
            rowsLocal.add(row);
            layouter.endRow(row);
            row = new Row();
            row.width = 0;
        }
        // Add the view to the row
        RowSegment segment = new RowSegment(nodeView, offset);
        row.rowSegments.add(segment);
        layouter.startSegment(segment);
        offset += nodeView.getCharacterCount();
        row.width += nodeViewWidth;
        // If the view was split into multiple views, add them to their own rows
        nodeView = getNext(nodeView);
        while (nodeView != null) {
            rowsLocal.add(row);
            layouter.endRow(row);
            row = new Row();
            nodeView.layout(breakWidth);
            segment = new RowSegment(nodeView, offset);
            row.rowSegments.add(segment);
            layouter.startSegment(segment);
            offset += nodeView.getCharacterCount();
            row.width = nodeView.getWidth();
            nodeView = getNext(nodeView);
        }
    }
    // Add the last row
    if (row.rowSegments.getLength() > 0) {
        rowsLocal.add(row);
        layouter.endRow(row);
    }
    // calculate paragraph width and adjust for alignment
    layouter.end(paragraph, rowsLocal);
    // Recalculate terminator bounds
    FontRenderContext fontRenderContext = Platform.getFontRenderContext();
    LineMetrics lm = getTextPaneSkin().getFont().getLineMetrics("", 0, 0, fontRenderContext);
    int terminatorHeight = (int) Math.ceil(lm.getHeight());
    int terminatorY;
    if (getCharacterCount() == 1) {
        // The terminator is the only character in this paragraph
        terminatorY = 0;
    } else {
        terminatorY = layouter.rowY - terminatorHeight;
    }
    Bounds terminatorBoundsLocal = new Bounds(layouter.x, terminatorY, PARAGRAPH_TERMINATOR_WIDTH, terminatorHeight);
    // Ensure that the paragraph is visible even when empty
    layouter.paragraphWidth += terminatorBoundsLocal.width;
    int height = Math.max(layouter.rowY, terminatorBoundsLocal.height);
    return new Dimensions(layouter.paragraphWidth, height);
}

Example 12 with Bounds

use of org.apache.pivot.wtk.Bounds in project pivot by apache.

the class TextPaneSkinParagraphView method getNextInsertionPoint.

@Override
public int getNextInsertionPoint(int x, int from, TextPane.ScrollDirection direction) {
    int offset = -1;
    int n = rows.getLength();
    if (n == 0 && from == -1) {
        // There are no rows; select the terminator character
        offset = 0;
    } else {
        int i;
        if (from == -1) {
            i = (direction == TextPane.ScrollDirection.DOWN) ? -1 : rows.getLength();
        } else {
            // Find the row that contains offset
            if (from == getCharacterCount() - 1) {
                i = rows.getLength() - 1;
            } else {
                i = 0;
                while (i < n) {
                    Row row = rows.get(i);
                    RowSegment firstNodeSegment = row.rowSegments.get(0);
                    RowSegment lastNodeSegment = row.rowSegments.get(row.rowSegments.getLength() - 1);
                    if (from >= firstNodeSegment.offset && from < lastNodeSegment.offset + lastNodeSegment.nodeView.getCharacterCount()) {
                        break;
                    }
                    i++;
                }
            }
        }
        // Move to the next or previous row
        if (direction == TextPane.ScrollDirection.DOWN) {
            i++;
        } else {
            i--;
        }
        if (i >= 0 && i < n) {
            // Find the node view that contains x and get the insertion point from it
            Row row = rows.get(i);
            for (RowSegment segment : row.rowSegments) {
                Bounds bounds = segment.nodeView.getBounds();
                if (x >= bounds.x && x < bounds.x + bounds.width) {
                    offset = segment.nodeView.getNextInsertionPoint(x - segment.nodeView.getX(), -1, direction) + segment.offset;
                    break;
                }
            }
            if (offset == -1) {
                // No node view contained the x position; move to the end of the row
                RowSegment lastNodeSegment = row.rowSegments.get(row.rowSegments.getLength() - 1);
                offset = lastNodeSegment.offset + lastNodeSegment.nodeView.getCharacterCount();
                if (offset < getCharacterCount() - 1) {
                    offset--;
                }
            }
        }
    }
    return offset;
}

Example 13 with Bounds

use of org.apache.pivot.wtk.Bounds in project pivot by apache.

the class GridPaneSkin method getRowBounds.

@Override
public Bounds getRowBounds(int row) {
    GridPane gridPane = (GridPane) getComponent();
    GridPane.RowSequence rows = gridPane.getRows();
    int rowCount = rows.getLength();
    if (row < 0 || row >= rowCount) {
        throw new IndexOutOfBoundsException(String.valueOf(row));
    }
    int rowY = padding.top;
    for (int i = 0; i < row; i++) {
        rowY += cellHeight + verticalSpacing;
    }
    return new Bounds(0, rowY, getWidth(), cellHeight);
}

Example 14 with Bounds

use of org.apache.pivot.wtk.Bounds in project pivot by apache.

the class GridPaneSkin method getColumnBounds.

@Override
public Bounds getColumnBounds(int column) {
    GridPane gridPane = (GridPane) getComponent();
    int columnCount = gridPane.getColumnCount();
    if (column < 0 || column >= columnCount) {
        throw new IndexOutOfBoundsException(String.valueOf(column));
    }
    int columnX = padding.left;
    for (int j = 0; j < column; j++) {
        columnX += cellWidth + horizontalSpacing;
    }
    return new Bounds(columnX, 0, cellWidth, getHeight());
}

Example 15 with Bounds

use of org.apache.pivot.wtk.Bounds in project pivot by apache.

the class TextPaneSkinTextNodeView method paint.

@Override
public void paint(Graphics2D graphics) {
    if (textLayout != null) {
        TextPane textPane = (TextPane) getTextPaneSkin().getComponent();
        FontRenderContext fontRenderContext = Platform.getFontRenderContext();
        Font effectiveFont = getEffectiveFont();
        LineMetrics lm = effectiveFont.getLineMetrics("", fontRenderContext);
        float ascent = lm.getAscent() + lm.getLeading();
        graphics.setFont(effectiveFont);
        int selectionStart = textPane.getSelectionStart();
        int selectionLength = textPane.getSelectionLength();
        Span selectionRange = new Span(selectionStart, selectionStart + selectionLength - 1);
        int documentOffset = getDocumentOffset();
        Span characterRange = new Span(documentOffset, documentOffset + getCharacterCount() - 1);
        int width = getWidth();
        int height = getHeight();
        if (selectionLength > 0 && characterRange.intersects(selectionRange)) {
            // Determine the selection bounds
            int x0;
            if (selectionRange.start > characterRange.start) {
                Bounds leadingSelectionBounds = getCharacterBounds(selectionRange.start - documentOffset);
                x0 = leadingSelectionBounds.x;
            } else {
                x0 = 0;
            }
            int x1;
            if (selectionRange.end < characterRange.end) {
                Bounds trailingSelectionBounds = getCharacterBounds(selectionRange.end - documentOffset);
                x1 = trailingSelectionBounds.x + trailingSelectionBounds.width;
            } else {
                x1 = width;
            }
            int selectionWidth = x1 - x0;
            Rectangle selection = new Rectangle(x0, 0, selectionWidth, height);
            // Paint the unselected text
            Area unselectedArea = new Area();
            unselectedArea.add(new Area(new Rectangle(0, 0, width, height)));
            unselectedArea.subtract(new Area(selection));
            Graphics2D textGraphics = (Graphics2D) graphics.create();
            textGraphics.setColor(getEffectiveForegroundColor());
            textGraphics.clip(unselectedArea);
            textLayout.draw(textGraphics, 0, ascent);
            textGraphics.dispose();
            // Paint the selection
            Color selectionColor;
            if (textPane.isFocused()) {
                selectionColor = getTextPaneSkin().getSelectionColor();
            } else {
                selectionColor = getTextPaneSkin().getInactiveSelectionColor();
            }
            Graphics2D selectedTextGraphics = (Graphics2D) graphics.create();
            selectedTextGraphics.setColor(textPane.isFocused() && textPane.isEditable() ? selectionColor : getTextPaneSkin().getInactiveSelectionColor());
            selectedTextGraphics.clip(selection.getBounds());
            textLayout.draw(selectedTextGraphics, 0, ascent);
            selectedTextGraphics.dispose();
        } else {
            // Draw the text
            graphics.setColor(getEffectiveForegroundColor());
            textLayout.draw(graphics, 0, ascent);
        }
    }
}