Initial commit

devtools/create_engine/files_events/view.cpp

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+/* ScummVM - Graphic Adventure Engine
+ *
+ * ScummVM is the legal property of its developers, whose names
+ * are too numerous to list here. Please refer to the COPYRIGHT
+ * file distributed with this source distribution.
+ *
+ * This program is free software: you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License as published by
+ * the Free Software Foundation, either version 3 of the License, or
+ * (at your option) any later version.
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+ * GNU General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with this program.  If not, see <http://www.gnu.org/licenses/>.
+ *
+ */
+
+#include "xyzzy/view.h"
+
+namespace Xyzzy {
+
+void View::checkFocusedControl(const Common::Point &mousePos) {
+	if (_focusedElement) {
+		if (!_focusedElement->getBounds().contains(mousePos)) {
+			_focusedElement->send(MouseLeaveMessage());
+			_focusedElement = nullptr;
+		}
+
+	} else {
+		for (UIElement *child : _children) {
+			if (child->getBounds().contains(mousePos)) {
+				_focusedElement = child;
+				child->send(MouseEnterMessage());
+				break;
+			}
+		}
+	}
+}
+
+UIElement *View::getElementAtPos(const Common::Point &pos) const {
+	for (UIElement *child : _children) {
+		if (child->getBounds().contains(pos))
+			return child;
+	}
+
+	return nullptr;
+}
+
+
+bool View::msgFocus(const FocusMessage &msg) {
+	_focusedElement = nullptr;
+	return UIElement::msgFocus(msg);
+}
+
+bool View::msgUnfocus(const UnfocusMessage &msg) {
+	if (_focusedElement)
+		_focusedElement->send(MouseLeaveMessage());
+
+	return UIElement::msgUnfocus(msg);
+}
+
+bool View::msgMouseMove(const MouseMoveMessage &msg) {
+	checkFocusedControl(msg._pos);
+	return true;
+}
+
+bool View::msgMouseDown(const MouseDownMessage &msg) {
+	UIElement *child = getElementAtPos(msg._pos);
+	return child ? child->send(msg) : false;
+}
+
+bool View::msgMouseUp(const MouseUpMessage &msg) {
+	UIElement *child = getElementAtPos(msg._pos);
+	return child ? child->send(msg) : false;
+}
+
+} // namespace Xyzzy