/**
* This method retrieves the key that is placed at the given x,y coordinates, considering the flip
* status
*
* @param x The X coordinate to use at key lookup
* @param y The Y coordinate to use at key lookup
* @return The key placed at the given coordinate, or null if none is found
*/
private IAndroidKey getSkinKey(int x, int y) {
IAndroidKey keyToReturn = null;
IAndroidEmulatorInstance instance = UIHelper.getInstanceAssociatedToControl(this);
Collection<IAndroidKey> keyAreas = skin.getKeyDataCollection(instance.getCurrentLayout());
if (keyAreas != null) {
for (IAndroidKey key : keyAreas) {
if (key.isInsideKey(x, y)) {
if (key instanceof AndroidPressKey) {
AndroidPressKey defaultKeyData = (AndroidPressKey) key;
// if
// (!defaultKeyData.isFlipSlideValid(instance.isFlipSlideClosed()))
if (!defaultKeyData.isFlipSlideValid(false)) {
continue;
}
}
keyToReturn = key;
break;
}
}
}
return keyToReturn;
}
/**
* Builds an image data that is based on the released image but has the pressed/enter key area
* painted with data from the pressed/enter image
*
* @param key The pressed key
* @param isEnter Whether the image being retrieved will be used for enter or pressed
* @return An image data built the way described at method description
*/
private ImageData getKeyImageData(IAndroidKey key, boolean isEnter) {
ImageData resultingImage;
ImageData releasedImage = getImageData(false, false);
ImageData keyImage = isEnter ? getImageData(false, true) : getImageData(true, false);
resultingImage = (ImageData) releasedImage.clone();
Rectangle keyArea = key.getKeyArea();
int resultingImageSize = resultingImage.width * keyArea.height;
int[] keyPixelBuffer = new int[resultingImageSize];
int startY = keyArea.y < 0 ? 0 : keyArea.y;
keyImage.getPixels(0, startY, resultingImageSize, keyPixelBuffer, 0);
for (int line = 0; line < keyArea.height; line++) {
int pos = (line * resultingImage.width) + Math.abs(keyArea.x);
int startX = Math.abs(keyArea.x);
startY = (keyArea.y < 0 ? 0 : keyArea.y) + line;
if (startY < 0) {
continue;
}
int putWidth = keyArea.x < 0 ? keyArea.width - startX : keyArea.width;
resultingImage.setPixels(startX, startY, putWidth, keyPixelBuffer, pos);
}
return resultingImage;
}
/**
* This method is called when a mouse selection needs to be canceled. Pressing the right button,
* releasing the left button or leaving the key area are examples of typical conditions.
*/
private void cancelMouseSelection() {
// If the mouse timer is different from null, that means that a key is
// pressed
// This check is important so that event messages are not sent by
// mistake
if (currentKey != null) {
ImageData newImageData = getImageData(false, true);
setSkinImage(newImageData, currentKey, true);
androidInput.sendClick(currentKey.getKeysym(), false);
}
}
/**
* Performs the skin draw operation.
*
* @param gcUsedToDraw The gc object associated with the skin composite that is used to draw the
* images
*/
private void drawSkin(GC gcUsedToDraw, IAndroidKey changedKey) {
if (currentSkinImage == null) {
IAndroidEmulatorInstance instance = UIHelper.getInstanceAssociatedToControl(this);
ImageData initialSkinImage = getImageData(false, false);
setSkinImage(initialSkinImage, null, false);
applyLayout(instance.getCurrentLayout());
if (scrollBarsUsed) {
synchronizeScrollBars();
}
}
if (displayRectangle != null) {
int srcXPos, srcYPos, srcWidth, srcHeight;
int destXPos, destYPos, destWidth, destHeight;
if (changedKey == null) {
srcXPos = displayRectangle.x;
srcYPos = displayRectangle.y;
srcWidth = displayRectangle.width;
srcHeight = displayRectangle.height;
destXPos = 0;
destYPos = 0;
destWidth = Math.min(currentSkinImage.getImageData().width, displayRectangle.width);
destHeight = Math.min(currentSkinImage.getImageData().height, displayRectangle.height);
} else {
srcXPos =
((int) (changedKey.getKeyArea().x > 0 ? changedKey.getKeyArea().x * zoomFactor : 0));
srcYPos =
((int) (changedKey.getKeyArea().y > 0 ? changedKey.getKeyArea().y * zoomFactor : 0));
srcWidth = ((int) (changedKey.getKeyArea().width * zoomFactor));
srcHeight = ((int) (changedKey.getKeyArea().height * zoomFactor));
destXPos = srcXPos - displayRectangle.x;
destYPos = srcYPos - displayRectangle.y;
destWidth = srcWidth;
destHeight = srcHeight;
}
gcUsedToDraw.drawImage(
currentSkinImage,
srcXPos,
srcYPos,
srcWidth,
srcHeight,
destXPos,
destYPos,
destWidth,
destHeight);
}
}
private void changeCurrentKey(IAndroidKey newKey) {
// The following actions are executed only if the key has changed since
// the last
// time a mouse move event has happened.
ImageData newImage;
if (currentKey != null) {
// If currentKey is different from null, we know that the mouse
// cursor has
// left the area defined by currentKey. That is because from the
// previous
// if clause we know that the key has changed, and currentKey
// attribute
// state is out-dated until we reach the "currentKey = keyData"
// statement.
// In this case, we must draw the RELEASED image version of the key
// at the
// key location
newImage = getImageData(false, false);
setSkinImage(newImage, currentKey, true);
setToolTipText(null);
}
if (newKey != null) {
// If keyData is different from null, we know that the mouse cursor
// has
// entered the area defined by keyData.
// In this case, we must draw the ENTER image version of the key at
// the
// key location
newImage = getKeyImageData(newKey, true);
setSkinImage(newImage, newKey, true);
setToolTipText(newKey.getToolTip());
}
currentKey = newKey;
}