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/eseventaddline.cpp

@@ -0,0 +1,103 @@
+/*
+	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 <QGraphicsSceneMouseEvent>
+#include <QObject>
+
+#include "eseventaddline.h"
+#include "elementscene.h"
+#include "qetelementeditor.h"
+#include "partline.h"
+#include "editorcommands.h"
+
+/**
+ * @brief ESEventAddLine::ESEventAddLine
+ * Constructor
+ * @param scene : scene where we operate this action
+ */
+ESEventAddLine::ESEventAddLine(ElementScene *scene) :
+	ESEventInterface (scene),
+	m_line           (nullptr)
+{}
+
+/**
+ * @brief ESEventAddLine::~ESEventAddLine
+ * destructor
+ */
+ESEventAddLine::~ESEventAddLine() {
+	if (m_running || m_abort)
+		delete m_line;
+}
+
+/**
+ * @brief ESEventAddLine::mousePressEvent
+ * @param event
+ * @return
+ */
+bool ESEventAddLine::mousePressEvent(QGraphicsSceneMouseEvent *event) {
+
+	if (event -> button() == Qt::LeftButton) {
+
+		if (! m_running) m_running = true;
+		QPointF pos = m_scene -> snapToGrid(event -> scenePos());
+
+		//Create new line
+		if (!m_line) {
+			m_line = new PartLine(m_editor, 0, m_scene);
+			m_line  -> setLine(QLineF(pos, pos));
+			return true;
+		}
+
+		//Add new line to scene
+		m_line  -> setLine(QLineF(m_line->line().p1(), pos));
+		m_scene -> undoStack().push(new AddPartCommand(QObject::tr("ligne"), m_scene, m_line));
+
+		//Set m_line to nullptr for create new line at next mouse press
+		m_line = nullptr;
+
+		return true;
+	}
+
+	//Remove the current line if exist
+	//or finish if no line
+	if (event -> button() == Qt::RightButton) {
+		if (m_line) {
+			delete m_line; m_line = nullptr;
+		}
+		else {
+			m_running = false;
+		}
+		return true;
+	}
+
+	return false;
+}
+
+/**
+ * @brief ESEventAddLine::mouseMoveEvent
+ * @param event
+ * @return
+ */
+bool ESEventAddLine::mouseMoveEvent(QGraphicsSceneMouseEvent *event) {
+	updateHelpCross (event -> scenePos());
+
+	if (!m_line) return false;
+
+	QPointF pos = m_scene -> snapToGrid(event -> scenePos());
+	m_line -> setLine(QLineF(m_line->line().p1(), pos));
+	return true;
+}

sources/editor/esevent/eseventaddline.h

@@ -0,0 +1,40 @@
+/*
+	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/>.
+*/
+#ifndef ESEVENTADDLINE_H
+#define ESEVENTADDLINE_H
+
+#include "eseventinterface.h"
+
+class ElementScene;
+class PartLine;
+class QGraphicsSceneMouseEvent;
+
+class ESEventAddLine : public ESEventInterface
+{
+	public:
+		ESEventAddLine(ElementScene *scene);
+		virtual ~ESEventAddLine();
+
+		virtual bool mousePressEvent(QGraphicsSceneMouseEvent *event);
+		virtual bool mouseMoveEvent (QGraphicsSceneMouseEvent *event);
+
+	private:
+		PartLine *m_line;
+};
+
+#endif // ESEVENTADDLINE_H

sources/editor/esevent/eseventinterface.cpp

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+/*
+	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());
+
+}

sources/editor/esevent/eseventinterface.h

@@ -0,0 +1,55 @@
+/*
+	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/>.
+*/
+#ifndef ESEVENTINTERFACE_H
+#define ESEVENTINTERFACE_H
+
+class QGraphicsSceneMouseEvent;
+class QGraphicsSceneWheelEvent;
+class QKeyEvent;
+class ElementScene;
+class QETElementEditor;
+class QGraphicsLineItem;
+class QPointF;
+
+class ESEventInterface
+{
+	public:
+		ESEventInterface(ElementScene *scene);
+		virtual ~ESEventInterface();
+
+		virtual bool mouseDoubleClickEvent (QGraphicsSceneMouseEvent *event);
+		virtual bool mousePressEvent       (QGraphicsSceneMouseEvent *event);
+		virtual bool mouseMoveEvent        (QGraphicsSceneMouseEvent *event);
+		virtual bool mouseReleaseEvent     (QGraphicsSceneMouseEvent *event);
+		virtual bool wheelEvent            (QGraphicsSceneWheelEvent *event);
+		virtual bool keyPressEvent         (QKeyEvent *event);
+		virtual bool KeyReleaseEvent       (QKeyEvent *event);
+		virtual bool isRunning () const;
+		virtual bool isFinish  () const;
+
+	protected:
+		void updateHelpCross (const QPointF &p);
+
+	protected:
+		ElementScene     *m_scene;
+		QETElementEditor *m_editor;
+		QGraphicsLineItem *m_help_horiz, *m_help_verti;
+		bool m_running, m_abort;
+};
+
+#endif // ESEVENTINTERFACE_H