List of usage examples for java.awt.event MouseWheelEvent getScrollAmount
public int getScrollAmount()
From source file:Main.java
public static MouseEvent convertMouseEvent(Component source, MouseEvent sourceEvent, Component destination) { Point p = SwingUtilities.convertPoint(source, new Point(sourceEvent.getX(), sourceEvent.getY()), destination);//from w w w .jav a2 s .co m Component newSource; if (destination != null) newSource = destination; else newSource = source; MouseEvent newEvent; if (sourceEvent instanceof MouseWheelEvent) { MouseWheelEvent sourceWheelEvent = (MouseWheelEvent) sourceEvent; newEvent = new MouseWheelEvent(newSource, sourceWheelEvent.getID(), sourceWheelEvent.getWhen(), sourceEvent.getModifiers() | sourceEvent.getModifiersEx(), p.x, p.y, sourceWheelEvent.getClickCount(), sourceWheelEvent.isPopupTrigger(), sourceWheelEvent.getScrollType(), sourceWheelEvent.getScrollAmount(), sourceWheelEvent.getWheelRotation()); } else if (sourceEvent instanceof MenuDragMouseEvent) { MenuDragMouseEvent sourceMenuDragEvent = (MenuDragMouseEvent) sourceEvent; newEvent = new MenuDragMouseEvent(newSource, sourceMenuDragEvent.getID(), sourceMenuDragEvent.getWhen(), sourceEvent.getModifiers() | sourceEvent.getModifiersEx(), p.x, p.y, sourceMenuDragEvent.getClickCount(), sourceMenuDragEvent.isPopupTrigger(), sourceMenuDragEvent.getPath(), sourceMenuDragEvent.getMenuSelectionManager()); } else { newEvent = new MouseEvent(newSource, sourceEvent.getID(), sourceEvent.getWhen(), sourceEvent.getModifiers() | sourceEvent.getModifiersEx(), p.x, p.y, sourceEvent.getClickCount(), sourceEvent.isPopupTrigger(), sourceEvent.getButton()); } return newEvent; }
From source file:Main.java
public Main() { setDefaultCloseOperation(JFrame.EXIT_ON_CLOSE); setSize(200, 200);//from w w w . java2s.co m JTextArea textArea = new JTextArea(); textArea.addMouseWheelListener(new MouseWheelListener() { public void mouseWheelMoved(MouseWheelEvent e) { if (e.getWheelRotation() < 0) { System.out.println("Up... " + e.getWheelRotation()); } else { System.out.println("Down... " + e.getWheelRotation()); } System.out.println("ScrollAmount: " + e.getScrollAmount()); if (e.getScrollType() == MouseWheelEvent.WHEEL_UNIT_SCROLL) { System.out.println("MouseWheelEvent.WHEEL_UNIT_SCROLL"); } if (e.getScrollType() == MouseWheelEvent.WHEEL_BLOCK_SCROLL) { System.out.println("MouseWheelEvent.WHEEL_BLOCK_SCROLL"); } } }); getContentPane().add(textArea); }
From source file:Main.java
public void mouseWheelMoved(MouseWheelEvent e) { String message;// www. j av a 2 s .c o m int notches = e.getWheelRotation(); if (notches < 0) { message = "Mouse wheel moved UP " + -notches + " notch(es)" + newline; } else { message = "Mouse wheel moved DOWN " + notches + " notch(es)" + newline; } if (e.getScrollType() == MouseWheelEvent.WHEEL_UNIT_SCROLL) { message += " Scroll type: WHEEL_UNIT_SCROLL" + newline; message += " Scroll amount: " + e.getScrollAmount() + " unit increments per notch" + newline; message += " Units to scroll: " + e.getUnitsToScroll() + " unit increments" + newline; message += " Vertical unit increment: " + scrollPane.getVerticalScrollBar().getUnitIncrement(1) + " pixels" + newline; } else { // scroll type == MouseWheelEvent.WHEEL_BLOCK_SCROLL message += " Scroll type: WHEEL_BLOCK_SCROLL" + newline; message += " Vertical block increment: " + scrollPane.getVerticalScrollBar().getBlockIncrement(1) + " pixels" + newline; } saySomething(message, e); }
From source file:MouseWheelEventDemo.java
public void mouseWheelMoved(MouseWheelEvent e) { String message;/*from www. j a v a 2s. c om*/ int notches = e.getWheelRotation(); if (notches < 0) { message = "Mouse wheel moved UP " + -notches + " notch(es)" + newline; } else { message = "Mouse wheel moved DOWN " + notches + " notch(es)" + newline; } if (e.getScrollType() == MouseWheelEvent.WHEEL_UNIT_SCROLL) { message += " Scroll type: WHEEL_UNIT_SCROLL" + newline; message += " Scroll amount: " + e.getScrollAmount() + " unit increments per notch" + newline; message += " Units to scroll: " + e.getUnitsToScroll() + " unit increments" + newline; message += " Vertical unit increment: " + scrollPane.getVerticalScrollBar().getUnitIncrement(1) + " pixels" + newline; } else { //scroll type == MouseWheelEvent.WHEEL_BLOCK_SCROLL message += " Scroll type: WHEEL_BLOCK_SCROLL" + newline; message += " Vertical block increment: " + scrollPane.getVerticalScrollBar().getBlockIncrement(1) + " pixels" + newline; } saySomething(message, e); }
From source file:events.MouseWheelEventDemo.java
public void mouseWheelMoved(MouseWheelEvent e) { String message;//w ww .j av a 2 s . c o m int notches = e.getWheelRotation(); if (notches < 0) { message = "Mouse wheel moved UP " + -notches + " notch(es)" + NEWLINE; } else { message = "Mouse wheel moved DOWN " + notches + " notch(es)" + NEWLINE; } if (e.getScrollType() == MouseWheelEvent.WHEEL_UNIT_SCROLL) { message += " Scroll type: WHEEL_UNIT_SCROLL" + NEWLINE; message += " Scroll amount: " + e.getScrollAmount() + " unit increments per notch" + NEWLINE; message += " Units to scroll: " + e.getUnitsToScroll() + " unit increments" + NEWLINE; message += " Vertical unit increment: " + scrollPane.getVerticalScrollBar().getUnitIncrement(1) + " pixels" + NEWLINE; } else { //scroll type == MouseWheelEvent.WHEEL_BLOCK_SCROLL message += " Scroll type: WHEEL_BLOCK_SCROLL" + NEWLINE; message += " Vertical block increment: " + scrollPane.getVerticalScrollBar().getBlockIncrement(1) + " pixels" + NEWLINE; } eventOutput(message, e); }
From source file:corelyzer.ui.CorelyzerGLCanvas.java
private void scrollSceneWithScrollWheel(final MouseWheelEvent e) { int scrollAmount = e.getScrollAmount(); int wheelRotation = e.getWheelRotation(); int ample = 3; Point currentPos = e.getPoint(); int dY = ample * scrollAmount * wheelRotation; float sy;// ww w. ja v a2s .co m float h; canvasLock.lock(); { h = SceneGraph.getCanvasHeight(canvasId); sy = h / canvas.getHeight(); SceneGraph.panScene(0, dY * sy); this.convertMousePointToSceneSpace(currentPos, scenePos); SceneGraph.positionMouse(scenePos[0], scenePos[1]); } canvasLock.unlock(); prePos = currentPos; }
From source file:corelyzer.ui.CorelyzerGLCanvas.java
private void zoomSceneWithScrollWheel(final MouseWheelEvent e) { // FIXME MouseWheelEvent info /*//from w w w.jav a 2 s.co m * System.out.println(e); * * String mesg = "Component: " + e.getComponent(); mesg += ", id: " + * e.getID(); mesg += ", when: " + e.getWhen(); mesg += ", modifiers: " * + e.getModifiers(); mesg += ", x: " + e.getX(); mesg += ", y: " + * e.getY(); mesg += ", clickCount: " + e.getClickCount(); mesg += * ", scrollType: " + e.getScrollType(); mesg += ", scrollAmount: " + * e.getScrollAmount(); mesg += ", wheelRot: " + e.getWheelRotation(); * * System.out.println(mesg); */ // -- int scrollAmount = e.getScrollAmount(); int wheelRotation = e.getWheelRotation(); Point mousePos = e.getPoint(); /* * // int scrollType = e.getScrollType(); // int scrollUnit = * e.getUnitsToScroll(); * * System.out.println("---- ScrollAmount: " + scrollAmount); * System.out.println("---- ScrollType: " + scrollType); * System.out.println("---- ScrollUnit: " + scrollUnit); * System.out.println("---- WheelRotation: " + wheelRotation); * System.out.println("---- Mouse Location: " + mousePos); */ // determine what point to zoom in or out on float cp[] = { 0.0f, 0.0f }; // canvas position x,y float sc[] = { 0.0f, 0.0f }; // scene center x,y float s; // scale factor // float w; // canvas width canvasLock.lock(); { this.convertMousePointToSceneSpace(mousePos, cp); sc[0] = SceneGraph.getSceneCenterX(); sc[1] = SceneGraph.getSceneCenterY(); /* * System.out.println("Mouse Position Translated to " + cp[0] + ", " * + cp[1]); * * System.out.println("Difference from center " + (cp[0] - sc[0]) + * ", " + (cp[1] - sc[1])); */ // each amount is approximately 5% if (wheelRotation <= 0) { s = (float) Math.pow(.95, scrollAmount); } else { s = (float) Math.pow(1.05f, scrollAmount); } // System.out.println("Scale Factor " + s); SceneGraph.scaleScene(s); // mouse in same place in screen, used to determine pan amount float ncp[] = { 0.0f, 0.0f }; this.convertMousePointToSceneSpace(mousePos, ncp); // System.out.println("New Pos of mouse point after scale " + ncp[0] // + // ", " + ncp[1]); ncp[0] = ncp[0] - cp[0]; ncp[1] = ncp[1] - cp[1]; // System.out.println("Difference of " + ncp[0] + ", " + ncp[1]); SceneGraph.panScene(-ncp[0], -ncp[1]); } canvasLock.unlock(); }