ColourPanel::ColourPanel()
{
initialiseByAttributes(this);
mCurrentColour = MyGUI::Colour::Green;
mBaseColour = MyGUI::Colour::Green;
mColourRect->eventMouseButtonPressed += MyGUI::newDelegate(this, &ColourPanel::notifyMouseButtonPressed);
mColourRect->eventMouseDrag += MyGUI::newDelegate(this, &ColourPanel::notifyMouseDrag);
mImageColourPicker->eventMouseDrag += MyGUI::newDelegate(this, &ColourPanel::notifyMouseDrag);
mScrollRange->eventScrollChangePosition += MyGUI::newDelegate(this, &ColourPanel::notifyScrollChangePosition);
mEditRed->eventEditTextChange += MyGUI::newDelegate(this, &ColourPanel::notifyEditTextChange);
mEditGreen->eventEditTextChange += MyGUI::newDelegate(this, &ColourPanel::notifyEditTextChange);
mEditBlue->eventEditTextChange += MyGUI::newDelegate(this, &ColourPanel::notifyEditTextChange);
mOk->eventMouseButtonClick += MyGUI::newDelegate(this, &ColourPanel::notifyMouseButtonClick);
mColourRange.push_back(MyGUI::Colour(1, 0, 0));
mColourRange.push_back(MyGUI::Colour(1, 0, 1));
mColourRange.push_back(MyGUI::Colour(0, 0, 1));
mColourRange.push_back(MyGUI::Colour(0, 1, 1));
mColourRange.push_back(MyGUI::Colour(0, 1, 0));
mColourRange.push_back(MyGUI::Colour(1, 1, 0));
mColourRange.push_back(mColourRange[0]);
createTexture();
updateFirst();
}
ColourPanel::ColourPanel() :
Dialog(),
mAlphaSupport(true)
{
initialiseByAttributes(this);
mTextureName = MyGUI::utility::toString((size_t)this, "_ColourGradient");
mCurrentColour = MyGUI::Colour::Green;
mBaseColour = MyGUI::Colour::Green;
mColourRect->eventMouseButtonPressed += MyGUI::newDelegate(this, &ColourPanel::notifyMouseButtonPressed);
mColourRect->eventMouseDrag += MyGUI::newDelegate(this, &ColourPanel::notifyMouseDrag);
mImageColourPicker->eventMouseDrag += MyGUI::newDelegate(this, &ColourPanel::notifyMouseDrag);
mScrollRange->eventScrollChangePosition += MyGUI::newDelegate(this, &ColourPanel::notifyScrollChangePosition);
mAlphaSlider->eventScrollChangePosition += MyGUI::newDelegate(this, &ColourPanel::notifyScrollChangePositionAlpha);
mEditRed->eventEditTextChange += MyGUI::newDelegate(this, &ColourPanel::notifyEditTextChange);
mEditGreen->eventEditTextChange += MyGUI::newDelegate(this, &ColourPanel::notifyEditTextChange);
mEditBlue->eventEditTextChange += MyGUI::newDelegate(this, &ColourPanel::notifyEditTextChange);
mInputAlpha->eventEditTextChange += MyGUI::newDelegate(this, &ColourPanel::notifyEditTextChangeAlpha);
mOk->eventMouseButtonClick += MyGUI::newDelegate(this, &ColourPanel::notifyMouseButtonClickOk);
mCancel->eventMouseButtonClick += MyGUI::newDelegate(this, &ColourPanel::notifyMouseButtonClickCancel);
MyGUI::Window* window = mMainWidget->castType<MyGUI::Window>(false);
if (window != nullptr)
window->eventWindowButtonPressed += MyGUI::newDelegate(this, &ColourPanel::notifyWindowButtonPressed);
mColourRange.push_back(MyGUI::Colour(1, 0, 0));
mColourRange.push_back(MyGUI::Colour(1, 0, 1));
mColourRange.push_back(MyGUI::Colour(0, 0, 1));
mColourRange.push_back(MyGUI::Colour(0, 1, 1));
mColourRange.push_back(MyGUI::Colour(0, 1, 0));
mColourRange.push_back(MyGUI::Colour(1, 1, 0));
mColourRange.push_back(mColourRange[0]);
mMainWidget->setVisible(false);
createTexture();
updateFirst();
}
// delete the specified key from the Btree
RC deleteKey(BTreeHandle *tree, Value *key) {
Btree* leaf = NULL;
// get the desired leaf
leaf = find_leaf(tree, key);
// get the left node
Btree* childLeft = NULL;
childLeft = leaf->prev;
// get the tree stastistics data
Btree_stat *info = NULL;
info = tree->mgmtData;
if (leaf != NULL) {
if (childLeft == NULL) {
// no child
// delete the entry and adjust the tree if needed
delete_entry(tree, leaf, key);
// done
return RC_OK;
}
if (key->v.intV == leaf->keys[0]) {
// the key exists in this leaf node
// delete it
delete_entry(tree, leaf, key);
// check if there is underflow in the node capacity
if (leaf->num_keys == 0) {
// merge with the left sibling
childLeft->next = leaf->next;
// check if we need to propagate this change up the tree
delete_parent_nodes_inital(info, leaf, key);
// done
return RC_OK;
}
// update the prent node
updateFirst(leaf, key);
return RC_OK;
} else {
delete_entry(tree, leaf, key);
if (leaf) {
// see of there is underflow
if (checkUnderflow(info, leaf)) {
// if yes, merge with left sibling
if (childLeft) {
// check the number of keys even after splitting
if (childLeft->num_keys > splitNode(info->order)
&& childLeft->num_keys != info->order) {
// we need to redistribute the keys
// to balance out
redistribute(info, childLeft, leaf);
} else {
// just merge
merge_nodes(info, childLeft, leaf);
}
}
}
}
return RC_OK;
}
}
// all ok
return RC_OK;
}
