Element editor : start work for change how draw primitive (work in progress)

git-svn-id: svn+ssh://svn.tuxfamily.org/svnroot/qet/qet/trunk@3451 bfdf4180-ca20-0410-9c96-a3a8aa849046

sources/editor/esevent/eseventinterface.cpp

@@ -0,0 +1,117 @@
+/*
+	Copyright 2006-2014 The QElectroTech Team
+	This file is part of QElectroTech.
+
+	QElectroTech 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 2 of the License, or
+	(at your option) any later version.
+
+	QElectroTech 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 QElectroTech.  If not, see <http://www.gnu.org/licenses/>.
+*/
+#include "eseventinterface.h"
+#include "elementscene.h"
+#include "qetelementeditor.h"
+#include <QGraphicsSceneMouseEvent>
+
+ESEventInterface::ESEventInterface(ElementScene *scene) :
+	m_scene      (scene),
+	m_editor     (scene->editor()),
+	m_help_horiz (nullptr),
+	m_help_verti (nullptr),
+	m_running    (false),
+	m_abort      (false)
+{
+	foreach (QGraphicsView *qgv, m_scene->views())
+		qgv->setContextMenuPolicy(Qt::NoContextMenu);
+}
+
+ESEventInterface::~ESEventInterface() {
+	delete m_help_horiz;
+	delete m_help_verti;
+
+	foreach (QGraphicsView *qgv, m_scene->views())
+		qgv->setContextMenuPolicy(Qt::DefaultContextMenu);
+}
+
+bool ESEventInterface::mouseDoubleClickEvent(QGraphicsSceneMouseEvent *event) {
+	Q_UNUSED (event);
+	return false;
+}
+
+bool ESEventInterface::mousePressEvent(QGraphicsSceneMouseEvent *event) {
+	Q_UNUSED (event);
+	return false;
+}
+
+bool ESEventInterface::mouseMoveEvent(QGraphicsSceneMouseEvent *event) {
+	Q_UNUSED (event);
+	return false;
+}
+
+bool ESEventInterface::mouseReleaseEvent(QGraphicsSceneMouseEvent *event) {
+	Q_UNUSED (event);
+	return false;
+}
+
+bool ESEventInterface::wheelEvent(QGraphicsSceneWheelEvent *event) {
+	Q_UNUSED (event);
+	return false;
+}
+
+/**
+ * @brief ESEventInterface::keyPressEvent
+ * By default, press escape key abort the curent action
+ * @param event
+ * @return
+ */
+bool ESEventInterface::keyPressEvent(QKeyEvent *event) {
+	if (event->key() == Qt::Key_Escape) {
+		m_running = false;
+		m_abort = true;
+		return true;
+	}
+	return false;
+}
+
+bool ESEventInterface::KeyReleaseEvent(QKeyEvent *event) {
+	Q_UNUSED (event);
+	return false;
+}
+
+bool ESEventInterface::isRunning() const {
+	return m_running;
+}
+
+bool ESEventInterface::isFinish() const {
+	return !m_running;
+}
+
+void ESEventInterface::updateHelpCross(const QPointF &p) {
+	//If line isn't created yet, we create it.
+	if (!m_help_horiz || !m_help_verti) {
+		QPen pen;
+		pen.setColor(Qt::darkBlue);
+		if (!m_help_horiz) {
+			m_help_horiz = new QGraphicsLineItem(-10000, 0, 10000, 0, 0, m_scene);
+			m_help_horiz -> setPen(pen);
+		}
+		if (!m_help_verti) {
+			m_help_verti = new QGraphicsLineItem(0, -10000, 0, 10000, 0, m_scene);
+			m_help_verti -> setPen(pen);
+		}
+	}
+
+	//Update the position of the cross
+	QPointF point = m_scene -> snapToGrid(p);
+
+	m_help_horiz -> setY(point.y());
+	m_help_verti -> setX(point.x());
+
+}