}
private void handleDetectedComponentMouseEvents() {
- if (renderingContext.clickedItem != null) {
- if (renderingContext.mouseClick.button == 0) {
+ if (renderingContext.objectUnderMouse != null) {
+ if (renderingContext.mouseEvent.button == 0) {
// mouse over
if (currentMouseOverComponent == null) {
- currentMouseOverComponent = renderingContext.clickedItem;
- currentMouseOverComponent.mouseEntered();
- viewRepaintNeeded = true;
- } else if (currentMouseOverComponent != renderingContext.clickedItem) {
- currentMouseOverComponent.mouseExited();
- currentMouseOverComponent = renderingContext.clickedItem;
- currentMouseOverComponent.mouseEntered();
- viewRepaintNeeded = true;
+ currentMouseOverComponent = renderingContext.objectUnderMouse;
+ viewRepaintNeeded |= currentMouseOverComponent.mouseEntered();
+ } else if (currentMouseOverComponent != renderingContext.objectUnderMouse) {
+ viewRepaintNeeded |= currentMouseOverComponent.mouseExited();
+ currentMouseOverComponent = renderingContext.objectUnderMouse;
+ viewRepaintNeeded |= currentMouseOverComponent.mouseEntered();
}
} else {
// mouse click
- renderingContext.clickedItem.mouseClicked();
- viewRepaintNeeded = true;
+ viewRepaintNeeded |= renderingContext.objectUnderMouse.mouseClicked();
}
} else if (currentMouseOverComponent != null) {
- currentMouseOverComponent.mouseExited();
- viewRepaintNeeded = true;
+ viewRepaintNeeded |= currentMouseOverComponent.mouseExited();
currentMouseOverComponent = null;
}
}
}
private void renderFrame() {
- if (isNewRenderingContextNeeded())
- renderingContext = new RenderingContext(getWidth(), getHeight());
// paint root geometry collection to the offscreen render buffer
clearCanvas();
renderingContext.graphics.fillRect(0, 0, getWidth(), getHeight());
}
- private boolean isNewRenderingContextNeeded() {
- return (renderingContext == null)
- || (renderingContext.width != getWidth())
- || (renderingContext.height != getHeight());
- }
-
/**
* Calling this methods tells 3D engine that current 3D view needs to be
* repainted on first opportunity.
* graphics is needed.
*/
void updateView() {
- if (renderingContext != null) {
- renderingContext.mouseClick = null;
- renderingContext.clickedItem = null;
- }
+ maintainRenderingContext();
final int millisecondsPassedSinceLastUpdate = getMillisecondsPassedSinceLastUpdate();
}
// abort rendering if window size is invalid
- if ((getWidth() <= 0) || (getHeight() <= 0))
- renderFrame = false;
-
- if (renderFrame) {
+ if ((getWidth() > 0) && (getHeight() > 0) && renderFrame) {
renderFrame();
handleDetectedComponentMouseEvents();
}
+
+ }
+
+ private void maintainRenderingContext() {
+ int panelWidth = getWidth();
+ int panelHeight = getHeight();
+
+ if (panelWidth <= 0 || panelHeight <=0){
+ renderingContext = null;
+ return;
+ }
+
+ if ((renderingContext == null)
+ || (renderingContext.width != panelWidth)
+ || (renderingContext.height != panelHeight)) {
+ renderingContext = new RenderingContext(panelWidth, panelHeight);
+ }
+
+ renderingContext.mouseEvent = null;
+ renderingContext.objectUnderMouse = null;
}
private boolean notifyViewRenderListeners(int millisecondsPassedSinceLastUpdate) {