Beispiel #1
0
  private void paintVisibleWindow(Graphics2D g) {
    Rectangle visibleArea = editor.getScrollingModel().getVisibleArea();
    int firstVisibleLine = getMapYFromEditorY((int) visibleArea.getMinY());
    int height =
        coords.linesToPixels(
            (int) ((visibleArea.getMaxY() - visibleArea.getMinY()) / editor.getLineHeight()));

    // Draw the current viewport
    g.setColor(viewportColor);
    g.setComposite(AlphaComposite.getInstance(AlphaComposite.SRC_OVER, 0.50f));
    g.drawRect(0, firstVisibleLine, getWidth(), height);
    g.setComposite(AlphaComposite.getInstance(AlphaComposite.SRC_OVER, 0.20f));
    g.fillRect(0, firstVisibleLine, getWidth(), height);
  }
Beispiel #2
0
  private void paintSelection(Graphics2D g) {
    int selectionStartOffset = editor.getSelectionModel().getSelectionStart();
    int selectionEndOffset = editor.getSelectionModel().getSelectionEnd();
    int firstSelectedLine = coords.offsetToScreenSpace(selectionStartOffset);
    int firstSelectedCharacter = coords.offsetToCharacterInLine(selectionStartOffset);
    int lastSelectedLine = coords.offsetToScreenSpace(selectionEndOffset);
    int lastSelectedCharacter = coords.offsetToCharacterInLine(selectionEndOffset);

    g.setComposite(AlphaComposite.getInstance(AlphaComposite.SRC_OVER, 0.90f));
    g.setColor(
        editor
            .getColorsScheme()
            .getColor(ColorKey.createColorKey("SELECTION_BACKGROUND", JBColor.BLUE)));

    if (firstSelectedLine == lastSelectedLine) {
      // Single line is easy
      g.fillRect(
          firstSelectedCharacter,
          firstSelectedLine,
          lastSelectedCharacter - firstSelectedCharacter,
          config.pixelsPerLine);
    } else {
      // Draw the line leading in
      g.fillRect(
          firstSelectedCharacter,
          firstSelectedLine,
          getWidth() - firstSelectedCharacter,
          config.pixelsPerLine);

      // Then the line at the end
      g.fillRect(0, lastSelectedLine, lastSelectedCharacter, config.pixelsPerLine);

      if (firstSelectedLine + 1 != lastSelectedLine) {
        // And if there is anything in between, fill it in
        g.fillRect(
            0,
            firstSelectedLine + config.pixelsPerLine,
            getWidth(),
            lastSelectedLine - firstSelectedLine - config.pixelsPerLine);
      }
    }
  }