Java Code Examples for java.awt.event.MouseWheelEvent#isControlDown()

The following examples show how to use java.awt.event.MouseWheelEvent#isControlDown() . You can vote up the ones you like or vote down the ones you don't like, and go to the original project or source file by following the links above each example. You may check out the related API usage on the sidebar.
Example 1
Source File: ViewDragScrollListener.java    From openAGV with Apache License 2.0 6 votes vote down vote up 
@Override
public void mouseWheelMoved(MouseWheelEvent e) {
  if (e.isControlDown()) {
    int zoomLevel = zoomComboBox.getSelectedIndex();
    int notches = e.getWheelRotation();
    if (zoomLevel != -1) {
      if (notches < 0) {
        if (zoomLevel > 0) {
          zoomLevel--;
          zoomComboBox.setSelectedIndex(zoomLevel);
        }
      }
      else {
        if (zoomLevel < zoomComboBox.getItemCount() - 1) {
          zoomLevel++;
          zoomComboBox.setSelectedIndex(zoomLevel);
        }
      }
    }
  }
}
Example 2
Source File: ZyEditModeMouseWheelListener.java    From binnavi with Apache License 2.0 6 votes vote down vote up 
@Override
public void mouseWheelMoved(final MouseWheelEvent event) {
  final int ticks = Math.abs(event.getUnitsToScroll());

  // When the user holds down control, we switch between the two modes
  final boolean changeMode = event.isControlDown();

  for (int i = 0; i < ticks; ++i) {
    if (((m_zyGraph.getSettings().getMouseSettings().getMouseWheelAction() == MouseWheelAction.ZOOM) && !changeMode)
        || ((m_zyGraph.getSettings().getMouseSettings().getMouseWheelAction() == MouseWheelAction.SCROLL) && changeMode)) {
      handleInZoomMode(event);
    } else {
      handleInMoveMode(event);
    }
  }

  m_zyGraph.updateViews();
}
Example 3
Source File: Java3DEditor.java    From MogwaiERDesignerNG with GNU General Public License v3.0 5 votes vote down vote up 
private void mouseWheel(MouseWheelEvent e) {
    if (!e.isControlDown()) {
        if (e.getWheelRotation() < 0 && currentLayer < maxLayer - 1) {
            currentLayer++;
        }
        if (e.getWheelRotation() > 0 && currentLayer > 0) {
            currentLayer--;
        }

        setCurrentLayer(currentLayer);
    } else {
        scaleByAmount(e.getUnitsToScroll() * -0.1);
    }
}
Example 4
Source File: ERDesignerGraphUI.java    From MogwaiERDesignerNG with GNU General Public License v3.0 5 votes vote down vote up 
@Override
public void mouseWheelMoved(MouseWheelEvent e) {
    if (e.isControlDown()) {
        if (e.getWheelRotation() < 0) {
            erdesigner.commandZoomOneLevelIn();
        } else {
            erdesigner.commandZoomOneLevelOut();
        }
    }
}
Example 5
Source File: Diagrama.java    From brModelo with GNU General Public License v3.0 5 votes vote down vote up 
public void mouseWheelMoved(MouseWheelEvent e) {
    if (e.isControlDown()) {
        if (e.getWheelRotation() < 0) {
            getEditor().ZoomMais();
        } else {
            getEditor().ZoomMenos();
        }
        e.consume();
    }
}
Example 6
Source File: Rubber.java    From audiveris with GNU Affero General Public License v3.0 5 votes vote down vote up 
/**
 * Called when the mouse wheel is moved.
 * If CTRL key is down, modify current zoom ratio accordingly, otherwise
 * forward the wheel event to proper container (JScrollPane usually).
 *
 * @param e the mouse wheel event
 */
@Override
public void mouseWheelMoved (MouseWheelEvent e)
{
    // CTRL is down?
    if (e.isControlDown()) {
        double ratio = zoom.getRatio();

        if (e.getWheelRotation() > 0) {
            ratio /= factor;
        } else {
            ratio *= factor;
        }

        zoom.setRatio(ratio);
    } else {
        // Forward event to some container of the component?
        Container container = component.getParent();

        while (container != null) {
            if (container instanceof JComponent) {
                JComponent comp = (JComponent) container;
                MouseWheelListener[] listeners = comp.getMouseWheelListeners();

                if (listeners.length > 0) {
                    for (MouseWheelListener listener : listeners) {
                        listener.mouseWheelMoved(e);
                    }

                    return;
                }
            }

            container = container.getParent();
        }
    }
}
Example 7
Source File: VideoController.java    From zxpoly with GNU General Public License v3.0 5 votes vote down vote up 
@Override
public void mouseWheelMoved(final MouseWheelEvent e) {
  if (e.isControlDown()) {
    final float newzoom;
    if (e.getPreciseWheelRotation() > 0) {
      newzoom = Math.max(1.0f, this.zoom - 0.2f);
    } else {
      newzoom = Math.min(5.0f, this.zoom + 0.2f);
    }
    if (newzoom != this.zoom) {
      updateZoom(newzoom);
    }
  }
}
Example 8
Source File: Rubber.java    From libreveris with GNU Lesser General Public License v3.0 5 votes vote down vote up 
/**
 * Called when the mouse wheel is moved.
 * If CTRL key is down, modify current zoom ratio accordingly, otherwise
 * forward the wheel event to proper container (JScrollPane usually).
 *
 * @param e the mouse wheel event
 */
@Override
public void mouseWheelMoved (MouseWheelEvent e)
{
    // CTRL is down?
    if (e.isControlDown()) {
        double ratio = zoom.getRatio();

        if (e.getWheelRotation() > 0) {
            ratio /= factor;
        } else {
            ratio *= factor;
        }

        zoom.setRatio(ratio);
    } else {
        // Forward event to some container of the component?
        Container container = component.getParent();

        while (container != null) {
            if (container instanceof JComponent) {
                JComponent comp = (JComponent) container;
                MouseWheelListener[] listeners = comp.getMouseWheelListeners();

                if (listeners.length > 0) {
                    for (MouseWheelListener listener : listeners) {
                        listener.mouseWheelMoved(e);
                    }

                    return;
                }
            }

            container = container.getParent();
        }
    }
}
Example 9
Source File: MouseWheelTest.java    From libreveris with GNU Lesser General Public License v3.0 5 votes vote down vote up 
@Override
public void mouseWheelMoved (MouseWheelEvent e)
{
    /*
     * java.awt.event.MouseWheelEvent
     * [MOUSE_WHEEL,(628,24),absolute(0,0),button=0,modifiers=Ctrl,extModifiers=Ctrl,clickCount=0,scrollType=WHEEL_UNIT_SCROLL,scrollAmount=3,wheelRotation=-1]
     * on javax.swing.JPanel[,0,0,800x30,layout=java.awt.FlowLayout,alignmentX=0.0,alignmentY=0.0,border=,flags=9,maximumSize=,minimumSize=,preferredSize=]
     */

    //System.out.println("e: " + e);
    int scrollAmount = e.getScrollAmount();
    int     scrollType = e.getScrollType();
    int     unitsToScroll = e.getUnitsToScroll();
    int     wheelRotation = e.getWheelRotation();
    boolean ctrl = e.isControlDown();

    //        System.out.println(
    //            "CTRL:" + ctrl + " amount:" + scrollAmount + " type:" + scrollType +
    //            " units:" + unitsToScroll + " rotation:" + wheelRotation);
    if (ctrl) {
        double val = slider.getDoubleValue();

        System.out.println("val:" + val);

        if (wheelRotation > 0) {
            val /= factor;
        } else {
            val *= factor;
        }

        System.out.println("  val:" + val);

        slider.setDoubleValue(val);
    }
}
Example 10
Source File: ProductSceneView.java    From snap-desktop with GNU General Public License v3.0 5 votes vote down vote up 
@Override
public void mouseWheelMoved(MouseWheelEvent e) {
    if (e.isAltDown() || e.isAltGraphDown() || e.isControlDown() || e.isShiftDown()) {
        return;
    }
    Viewport viewport = layerCanvas.getViewport();
    int wheelRotation = e.getWheelRotation();
    if (invertZooming) {
        wheelRotation *= -1;
    }
    double oldZoomFactor = viewport.getZoomFactor();
    double newZoomFactor = oldZoomFactor * Math.pow(1.1, wheelRotation);
    viewport.setZoomFactor(newZoomFactor);
}
Example 11
Source File: ProcessPanelScroller.java    From rapidminer-studio with GNU Affero General Public License v3.0 4 votes vote down vote up 
@Override
public void mouseWheelMoved(final MouseWheelEvent e) {
	if (e.isControlDown() && e.getWheelRotation() != 0) {
		double oldZoomFactor = rendererView.getModel().getZoomFactor();
		if (e.getWheelRotation() < 0) {
			rendererView.getModel().zoomIn();
		} else {
			rendererView.getModel().zoomOut();
		}
		rendererView.getModel().fireProcessZoomChanged();

		// calculate how the scrollbar needs to be adjusted for centered zoom
		double relativeZoomFactor = rendererView.getModel().getZoomFactor() / oldZoomFactor;
		double differenceHorizontal = e.getPoint().getX() * (relativeZoomFactor - 1);
		double differenceVertical = e.getPoint().getY() * (relativeZoomFactor - 1);

		int newX = Math.max(0, (int) (scrollPane.getHorizontalScrollBar().getValue() + differenceHorizontal));
		int newY = Math.max(0, (int) (scrollPane.getVerticalScrollBar().getValue() + differenceVertical));

		scrollPane.getHorizontalScrollBar().setValue(newX);
		scrollPane.getVerticalScrollBar().setValue(newY);

		// prevent flickering when another adjustment of the scrollbars is needed
		RepaintManager.currentManager(scrollPane).markCompletelyClean(scrollPane);

		/**
		 * Setting the value as above does not always work since the scrollbars are not yet
		 * updated to the size changes caused by the zooming. Set flag an values to try
		 * again after the resizing happened.
		 */
		zoomed = true;
		desiredVerticalScrollValue = newY;
		desiredHorizontalScrollValue = newX;
		return;
	}

	Container p = rendererView.getParent();
	if (p != null) {
		p.dispatchEvent(SwingUtilities.convertMouseEvent(rendererView, e, p));
	}
}
Example 12
Source File: EditorUtil.java    From consulo with Apache License 2.0 4 votes vote down vote up 
public static boolean isChangeFontSize(@Nonnull MouseWheelEvent e) {
  if (e.getWheelRotation() == 0) return false;
  return SystemInfo.isMac ? !e.isControlDown() && e.isMetaDown() && !e.isAltDown() && !e.isShiftDown() : e.isControlDown() && !e.isMetaDown() && !e.isAltDown() && !e.isShiftDown();
}