Package org.apache.pivot.wtk

Examples of org.apache.pivot.wtk.TextArea$TextAreaSelectionListenerList

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        return Math.round(margin.top + lm.getAscent());
    }

    @Override
    public void paint(Graphics2D graphics) {
        TextArea textArea = (TextArea)getComponent();
        int width = getWidth();
        int height = getHeight();

        // Draw the background
        if (backgroundColor != null) {
            graphics.setPaint(backgroundColor);
            graphics.fillRect(0, 0, width, height);
        }

        // Draw the caret/selection
        if (selection == null) {
            if (caretOn
                && textArea.isFocused()) {
                graphics.setColor(textArea.isEditable() ? color : inactiveColor);
                graphics.fill(caret);
            }
        } else {
            graphics.setColor(textArea.isFocused()
                && textArea.isEditable() ? selectionBackgroundColor : inactiveSelectionBackgroundColor);
            graphics.fill(selection);
        }

        // Draw the text
        graphics.setFont(font);
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                if (index != -1) {
                    index += paragraphView.getParagraph().getOffset();
                }
            } else {
                TextArea textArea = (TextArea)getComponent();
                int i = textArea.getParagraphAt(from);

                TextAreaSkinParagraphView paragraphView = paragraphViews.get(i);
                index = paragraphView.getNextInsertionPoint(x - paragraphView.getX(),
                    from - paragraphView.getParagraph().getOffset(), direction);
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    @Override
    public int getRowAt(int index) {
        int rowIndex = -1;

        if (paragraphViews.getLength() > 0) {
            TextArea textArea = (TextArea)getComponent();
            TextAreaSkinParagraphView paragraphView = paragraphViews.get(textArea.getParagraphAt(index));

            rowIndex = paragraphView.getRowAt(index - paragraphView.getParagraph().getOffset())
                + paragraphView.getRowOffset();
        }
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    @Override
    public int getRowOffset(int index) {
        int rowOffset = -1;

        if (paragraphViews.getLength() > 0) {
            TextArea textArea = (TextArea)getComponent();
            TextAreaSkinParagraphView paragraphView = paragraphViews.get(textArea.getParagraphAt(index));

            rowOffset = paragraphView.getRowOffset(index - paragraphView.getParagraph().getOffset())
                + paragraphView.getParagraph().getOffset();
        }
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    @Override
    public int getRowLength(int index) {
        int rowLength = -1;

        if (paragraphViews.getLength() > 0) {
            TextArea textArea = (TextArea)getComponent();
            TextAreaSkinParagraphView paragraphView = paragraphViews.get(textArea.getParagraphAt(index));

            rowLength = paragraphView.getRowLength(index - paragraphView.getParagraph().getOffset());
        }

        return rowLength;
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    @Override
    public Bounds getCharacterBounds(int index) {
        Bounds characterBounds = null;

        if (paragraphViews.getLength() > 0) {
            TextArea textArea = (TextArea)getComponent();
            TextAreaSkinParagraphView paragraphView = paragraphViews.get(textArea.getParagraphAt(index));
            characterBounds = paragraphView.getCharacterBounds(index
                - paragraphView.getParagraph().getOffset());

            characterBounds = new Bounds(characterBounds.x + paragraphView.getX(),
                characterBounds.y + paragraphView.getY(),
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    private void scrollCharacterToVisible(int index) {
        Bounds characterBounds = getCharacterBounds(index);

        if (characterBounds != null) {
            TextArea textArea = (TextArea)getComponent();
            textArea.scrollAreaToVisible(characterBounds.x, characterBounds.y,
                characterBounds.width, characterBounds.height);
        }
    }
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    @Override
    public boolean mouseMove(Component component, int x, int y) {
        boolean consumed = super.mouseMove(component, x, y);

        if (Mouse.getCapturer() == component) {
            TextArea textArea = (TextArea)getComponent();

            Bounds visibleArea = textArea.getVisibleArea();
            visibleArea = new Bounds(visibleArea.x, visibleArea.y, visibleArea.width,
                visibleArea.height);

            // if it's inside the visible area, stop the scroll timer
            if (y >= visibleArea.y
                && y < visibleArea.y + visibleArea.height) {
                // Stop the scroll selection timer
                if (scheduledScrollSelectionCallback != null) {
                    scheduledScrollSelectionCallback.cancel();
                    scheduledScrollSelectionCallback = null;
                }

                scrollDirection = null;
            } else {
                // if it's outside the visible area, start the scroll timer
                if (scheduledScrollSelectionCallback == null) {
                    scrollDirection = (y < visibleArea.y) ? TextArea.ScrollDirection.UP
                        : TextArea.ScrollDirection.DOWN;

                    scheduledScrollSelectionCallback = ApplicationContext.scheduleRecurringCallback(
                        scrollSelectionCallback, SCROLL_RATE);

                    // Run the callback once now to scroll the selection immediately
                    scrollSelectionCallback.run();
                }
            }

            int index = getInsertionPoint(x, y);

            if (index != -1) {
                // Select the range
                if (index > anchor) {
                    textArea.setSelection(anchor, index - anchor);
                } else {
                    textArea.setSelection(index, anchor - index);
                }
            }

            mouseX = x;
        } else {
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    @Override
    public boolean mouseDown(Component component, Mouse.Button button, int x, int y) {
        boolean consumed = super.mouseDown(component, button, x, y);

        TextArea textArea = (TextArea)component;

        if (button == Mouse.Button.LEFT) {
            anchor = getInsertionPoint(x, y);

            if (anchor != -1) {
                if (Keyboard.isPressed(Keyboard.Modifier.SHIFT)) {
                    // Select the range
                    int selectionStart = textArea.getSelectionStart();

                    if (anchor > selectionStart) {
                        textArea.setSelection(selectionStart, anchor - selectionStart);
                    } else {
                        textArea.setSelection(anchor, selectionStart - anchor);
                    }
                } else {
                    // Move the caret to the insertion point
                    textArea.setSelection(anchor, 0);
                    consumed = true;
                }
            }

            caretX = caret.x;

            // Set focus to the text input
            textArea.requestFocus();
        }

        return consumed;
    }
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    @Override
    public boolean keyTyped(Component component, char character) {
        boolean consumed = super.keyTyped(component, character);

        if (paragraphViews.getLength() > 0) {
            TextArea textArea = (TextArea)getComponent();

            if (textArea.isEditable()) {
                // Ignore characters in the control range and the ASCII delete
                // character as well as meta key presses
                if (character > 0x1F
                    && character != 0x7F
                    && !Keyboard.isPressed(Keyboard.Modifier.META)) {
                    int selectionLength = textArea.getSelectionLength();

                    if (textArea.getCharacterCount() - selectionLength + 1 > textArea.getMaximumLength()) {
                        Toolkit.getDefaultToolkit().beep();
                    } else {
                        int selectionStart = textArea.getSelectionStart();
                        textArea.removeText(selectionStart, selectionLength);
                        textArea.insertText(Character.toString(character), selectionStart);
                    }

                    showCaret(true);
                }
            }
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  • org.apache.pivot.wtk.skin.TextAreaSkin$ScrollSelectionCallback
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