示例#1
0
 /**
  * Return the {@link Mouse} button given a {@link NativeEvent}
  *
  * @param evt Native event
  * @return {@link Mouse} button corresponding to the event
  */
 protected static int getMouseButton(NativeEvent evt) {
   switch (evt.getButton()) {
     case (NativeEvent.BUTTON_LEFT):
       return Mouse.BUTTON_LEFT;
     case (NativeEvent.BUTTON_MIDDLE):
       return Mouse.BUTTON_MIDDLE;
     case (NativeEvent.BUTTON_RIGHT):
       return Mouse.BUTTON_RIGHT;
     default:
       return evt.getButton();
   }
 }
示例#2
0
文件: GwtInput.java 项目: QiXi/vtm
  private void handleEvent(NativeEvent e) {

    if (e.getType().equals("contextmenu")) {
      e.preventDefault();
      e.stopPropagation();
      return;
    }

    if (e.getType().equals("mousedown")) {
      if (!e.getEventTarget().equals(canvas) || touched[0]) {
        float mouseX = (int) getRelativeX(e, canvas);
        float mouseY = (int) getRelativeY(e, canvas);
        if (mouseX < 0
            || mouseX > Gdx.graphics.getWidth()
            || mouseY < 0
            || mouseY > Gdx.graphics.getHeight()) {
          hasFocus = false;
        }
        return;
      }
      hasFocus = true;
      this.justTouched = true;
      this.touched[0] = true;
      this.pressedButtons.add(getButton(e.getButton()));
      this.deltaX[0] = 0;
      this.deltaY[0] = 0;
      if (isCursorCatched()) {
        this.touchX[0] += getMovementXJSNI(e);
        this.touchY[0] += getMovementYJSNI(e);
      } else {
        this.touchX[0] = (int) getRelativeX(e, canvas);
        this.touchY[0] = (int) getRelativeY(e, canvas);
      }
      this.currentEventTimeStamp = TimeUtils.nanoTime();
      if (processor != null)
        if (processor.touchDown(touchX[0], touchY[0], 0, getButton(e.getButton()))) {
          e.preventDefault();
          e.stopPropagation();
        }
    }

    if (e.getType().equals("mousemove")) {
      if (isCursorCatched()) {
        this.deltaX[0] = (int) getMovementXJSNI(e);
        this.deltaY[0] = (int) getMovementYJSNI(e);
        this.touchX[0] += getMovementXJSNI(e);
        this.touchY[0] += getMovementYJSNI(e);
      } else {
        this.deltaX[0] = (int) getRelativeX(e, canvas) - touchX[0];
        this.deltaY[0] = (int) getRelativeY(e, canvas) - touchY[0];
        this.touchX[0] = (int) getRelativeX(e, canvas);
        this.touchY[0] = (int) getRelativeY(e, canvas);
      }
      this.currentEventTimeStamp = TimeUtils.nanoTime();
      if (processor != null) {
        if (touched[0]) processor.touchDragged(touchX[0], touchY[0], 0);
        else processor.mouseMoved(touchX[0], touchY[0]);
      }
    }

    if (e.getType().equals("mouseup")) {
      if (!touched[0]) return;
      this.pressedButtons.remove(getButton(e.getButton()));
      this.touched[0] = pressedButtons.size() > 0;
      if (isCursorCatched()) {
        this.deltaX[0] = (int) getMovementXJSNI(e);
        this.deltaY[0] = (int) getMovementYJSNI(e);
        this.touchX[0] += getMovementXJSNI(e);
        this.touchY[0] += getMovementYJSNI(e);
      } else {
        this.deltaX[0] = (int) getRelativeX(e, canvas) - touchX[0];
        this.deltaY[0] = (int) getRelativeY(e, canvas) - touchY[0];
        this.touchX[0] = (int) getRelativeX(e, canvas);
        this.touchY[0] = (int) getRelativeY(e, canvas);
      }
      this.currentEventTimeStamp = TimeUtils.nanoTime();
      this.touched[0] = false;
      if (processor != null) processor.touchUp(touchX[0], touchY[0], 0, getButton(e.getButton()));
    }

    if (e.getType().equals("keydown") && hasFocus) {
      // System.out.println("keydown");
      int code = keyForCode(e.getKeyCode());
      if (code == 67) {
        e.preventDefault();
        if (processor != null) {
          processor.keyDown(code);
          processor.keyTyped('\b');
        }
      } else {
        this.pressedKeys.add(code);
        if (processor != null) processor.keyDown(code);
      }
    }

    if (e.getType().equals("keypress") && hasFocus) {
      // System.out.println("keypress");
      char c = (char) e.getCharCode();
      if (processor != null) processor.keyTyped(c);
    }

    if (e.getType().equals("keyup") && hasFocus) {
      // System.out.println("keyup");
      int code = keyForCode(e.getKeyCode());
      this.pressedKeys.remove(code);
      if (processor != null) processor.keyUp(code);
    }

    if (e.getType().equals("touchstart")) {
      this.justTouched = true;
      JsArray<Touch> touches = e.getChangedTouches();
      for (int i = 0, j = touches.length(); i < j; i++) {
        Touch touch = touches.get(i);
        int touchId = touch.getIdentifier();
        touched[touchId] = true;
        double r = GwtGraphics.getDevicePixelRatioJSNI();
        int x = (int) (touch.getRelativeX(canvas) * r);
        int y = (int) (touch.getRelativeY(canvas) * r);
        touchX[touchId] = x;
        touchY[touchId] = y;
        deltaX[touchId] = 0;
        deltaY[touchId] = 0;
        if (processor != null) {
          processor.touchDown(touchX[touchId], touchY[touchId], touchId, Buttons.LEFT);
        }
      }
      this.currentEventTimeStamp = TimeUtils.nanoTime();
      e.preventDefault();
    }
    if (e.getType().equals("touchmove")) {
      JsArray<Touch> touches = e.getChangedTouches();
      for (int i = 0, j = touches.length(); i < j; i++) {
        Touch touch = touches.get(i);
        int touchId = touch.getIdentifier();
        double r = GwtGraphics.getDevicePixelRatioJSNI();
        int x = (int) (touch.getRelativeX(canvas) * r);
        int y = (int) (touch.getRelativeY(canvas) * r);
        deltaX[touchId] = x - touchX[touchId];
        deltaY[touchId] = y - touchY[touchId];
        touchX[touchId] = x;
        touchY[touchId] = y;
        if (processor != null) {
          processor.touchDragged(touchX[touchId], touchY[touchId], touchId);
        }
      }
      this.currentEventTimeStamp = TimeUtils.nanoTime();
      e.preventDefault();
    }
    if (e.getType().equals("touchcancel")) {
      JsArray<Touch> touches = e.getChangedTouches();
      for (int i = 0, j = touches.length(); i < j; i++) {
        Touch touch = touches.get(i);
        int touchId = touch.getIdentifier();
        touched[touchId] = false;
        double r = GwtGraphics.getDevicePixelRatioJSNI();
        int x = (int) (touch.getRelativeX(canvas) * r);
        int y = (int) (touch.getRelativeY(canvas) * r);
        deltaX[touchId] = x - touchX[touchId];
        deltaY[touchId] = y - touchY[touchId];
        touchX[touchId] = x;
        touchY[touchId] = y;
        if (processor != null) {
          processor.touchUp(touchX[touchId], touchY[touchId], touchId, Buttons.LEFT);
        }
      }
      this.currentEventTimeStamp = TimeUtils.nanoTime();
      e.preventDefault();
    }
    if (e.getType().equals("touchend")) {
      JsArray<Touch> touches = e.getChangedTouches();
      for (int i = 0, j = touches.length(); i < j; i++) {
        Touch touch = touches.get(i);
        int touchId = touch.getIdentifier();
        touched[touchId] = false;
        double r = GwtGraphics.getDevicePixelRatioJSNI();
        int x = (int) (touch.getRelativeX(canvas) * r);
        int y = (int) (touch.getRelativeY(canvas) * r);
        deltaX[touchId] = x - touchX[touchId];
        deltaY[touchId] = y - touchY[touchId];
        touchX[touchId] = x;
        touchY[touchId] = y;
        if (processor != null) {
          processor.touchUp(touchX[touchId], touchY[touchId], touchId, Buttons.LEFT);
        }
      }
      this.currentEventTimeStamp = TimeUtils.nanoTime();
      e.preventDefault();
    } else if (e.getType().equals("mousewheel") || e.getType().equals("DOMMouseScroll")) {
      float dir = getMouseWheelVelocity(e);

      if (dir != 0 && processor != null) processor.scrolled(dir > 0 ? 1 : -1);
    }
    // if(hasFocus) e.preventDefault();
  }