QCodeEdit completer refactor and works fine!

libs/widgets/qcodeedit_completer_p.cpp

@@ -0,0 +1,106 @@
+#include "qcodeedit_completer_p.h"
+#include <QHeaderView>
+
+
+QCodeEditCompleter::QCodeEditCompleter(QWidget * parent): QTreeWidget(parent) {
+	setWindowFlags(Qt::Tool | Qt::FramelessWindowHint | Qt::WindowStaysOnTopHint);
+	setFocusPolicy(Qt::NoFocus);
+	setColumnCount(2);
+	setRootIsDecorated(false);
+	setHeaderHidden(true);
+	setSizeAdjustPolicy(QAbstractScrollArea::AdjustToContents);
+	setVerticalScrollBarPolicy(Qt::ScrollBarAlwaysOn);
+	header()->setDefaultAlignment(Qt::AlignCenter);
+	header()->
+#if QT_VERSION >= QT_VERSION_CHECK(5, 0, 0)
+			setSectionResizeMode
+#else
+			setResizeMode
+#endif
+				(QHeaderView::ResizeToContents);
+	header()->setStretchLastSection(false);
+	//connect(verticalScrollBar(), SIGNAL(valueChanged(int)), this, SLOT(adjust()));
+}
+
+
+QCodeEditCompleter::~QCodeEditCompleter() {
+}
+
+
+void QCodeEditCompleter::nextCompletition() {
+	int ci = currentIndex().row();
+	if (ci >= topLevelItemCount() - 1) return;
+	if (topLevelItem(ci + 1)->flags().testFlag(Qt::ItemIsSelectable))
+		setCurrentItem(topLevelItem(ci + 1));
+	else {
+		if (ci >= topLevelItemCount() - 2) return;
+		setCurrentItem(topLevelItem(ci + 2));
+	}
+}
+
+
+void QCodeEditCompleter::previousCompletition() {
+	int ci = currentIndex().row();
+	if (ci <= 0) return;
+	if (topLevelItem(ci - 1)->flags().testFlag(Qt::ItemIsSelectable))
+		setCurrentItem(topLevelItem(ci - 1));
+	else {
+		if (ci <= 1) return;
+		setCurrentItem(topLevelItem(ci - 2));
+	}
+}
+
+void QCodeEditCompleter::addItems(QFont f, const QCodeEdit::ACClass & cl, const QCodeEdit::ACPair & items) {
+	QTreeWidgetItem * gi = new QTreeWidgetItem();
+	gi->setText(0, cl.name);
+	gi->setTextAlignment(0, Qt::AlignCenter);
+	gi->setTextAlignment(1, Qt::AlignCenter);
+	gi->setFont(0, f);
+	gi->setBackground(0, Qt::lightGray);
+	gi->setFlags(Qt::ItemIsEnabled);
+	addTopLevelItem(gi);
+	gi->setFirstColumnSpanned(true);
+	foreach (const auto & s, items.second) {
+		QTreeWidgetItem * ni = new QTreeWidgetItem();
+		ni->setIcon(0, cl.icon);
+		ni->setText(0, s.first);
+		ni->setText(1, s.second);
+		addTopLevelItem(ni);
+	}
+}
+
+
+bool QCodeEditCompleter::isEmpty() const {
+	return topLevelItemCount() <= 1;
+}
+
+
+void QCodeEditCompleter::invoke(QPoint global_pos) {
+	if (isEmpty()) {
+		hide();
+		return;
+	}
+	setCurrentItem(topLevelItem(1));
+	if (isHidden())
+		move(global_pos);
+	setVisible(true);
+	adjust();
+}
+
+
+QString QCodeEditCompleter::currentReturn() const {
+	if (!currentItem()) return QString();
+	return currentItem()->text(0);
+}
+
+
+QString QCodeEditCompleter::currentValue() const {
+	if (!currentItem()) return QString();
+	return currentItem()->text(1);
+}
+
+
+void QCodeEditCompleter::adjust() {
+	int sz = sizeHint().width();
+	resize(sz, fontHeight() * 16);
+}