1 /***************************************************************************
2 * Copyright (C) 2008 by Marco Gittler (g.marco@freenet.de) *
3 * Copyright (C) 2008 by Jean-Baptiste Mardelle (jb@kdenlive.org) *
5 * This program is free software; you can redistribute it and/or modify *
6 * it under the terms of the GNU General Public License as published by *
7 * the Free Software Foundation; either version 2 of the License, or *
8 * (at your option) any later version. *
10 * This program is distributed in the hope that it will be useful, *
11 * but WITHOUT ANY WARRANTY; without even the implied warranty of *
12 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the *
13 * GNU General Public License for more details. *
15 * You should have received a copy of the GNU General Public License *
16 * along with this program; if not, write to the *
17 * Free Software Foundation, Inc., *
18 * 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA *
19 ***************************************************************************/
21 #include <QGraphicsScene>
22 #include <QGraphicsView>
29 #include "abstractgroupitem.h"
30 #include "abstractclipitem.h"
31 #include "kdenlivesettings.h"
32 #include "customtrackscene.h"
34 AbstractGroupItem::AbstractGroupItem(double fps): QGraphicsItemGroup(), m_fps(fps) {
35 setFlags(QGraphicsItem::ItemClipsToShape | QGraphicsItem::ItemIsMovable | QGraphicsItem::ItemIsSelectable);
38 int AbstractGroupItem::type() const {
42 CustomTrackScene* AbstractGroupItem::projectScene() {
43 return static_cast <CustomTrackScene*>(scene());
47 QPainterPath AbstractGroupItem::groupShape(QPointF offset) {
48 QList<QGraphicsItem *> children = childItems();
50 for (int i = 0; i < children.count(); i++) {
51 QRectF r = children.at(i)->sceneBoundingRect();
52 //kDebug()<<"// GROUP CHild: "<<r;
53 //r.translate(offset);
59 void AbstractGroupItem::addItem(QGraphicsItem * item) {
64 void AbstractGroupItem::fixItemRect() {
65 QPointF start = boundingRect().topLeft();
66 if (start != QPointF(0, 0)) {
67 translate(0 - start.x(), 0 - start.y());
73 void AbstractGroupItem::paint(QPainter *p, const QStyleOptionGraphicsItem *, QWidget *) {
74 p->fillRect(boundingRect(), QColor(200, 100, 100, 100));
78 QVariant AbstractGroupItem::itemChange(GraphicsItemChange change, const QVariant &value) {
79 if (change == ItemPositionChange && scene()) {
80 // calculate new position.
81 QPointF newPos = value.toPointF();
82 QPainterPath sceneShape = groupShape(newPos);
83 QPointF start = sceneBoundingRect().topLeft();
84 QPointF sc = mapToScene(pos());
85 int posx = start.x() + newPos.x(); //projectScene()->getSnapPointForPos(start.x() + sc.x(), KdenliveSettings::snaptopoints());
86 //int startx = projectScene()->getSnapPointForPos(start.x(), false);
87 //int startx = projectScene()->getSnapPointForPos(start.x(), false);
88 kDebug() << "------------------------------------";
89 kDebug() << "BRect: " << start.x() << "diff: " << newPos.x() << ",mapd: " << start.x() - sc.x();
91 //kDebug()<<"BR: "<<start.x()<<",NP: "<<newPos.x()<<",MAPD: "<<sc.x()<<",POS: "<<pos().x();
93 //kDebug()<<"/// GOING UNDER 0, POS: "<<posx<<", ADJUSTED: items.at(i)->sceneBoundingRect();
96 //else posx -= startx;
97 //posx = qMax(posx, 0);
99 //kDebug()<<"Y POS: "<<start.y() + newPos.y()<<"SCN MP: "<<sc;
100 int newTrack = (start.y() + newPos.y()) / KdenliveSettings::trackheight();
101 int oldTrack = (start.y() + pos().y()) / KdenliveSettings::trackheight();
102 newPos.setY((newTrack) * KdenliveSettings::trackheight() - start.y() + 1);
105 //if (start.y() + newPos.y() < 1) newTrack = oldTrack;
109 // Only one clip is moving
111 QList<QGraphicsItem*> items = scene()->items(sceneShape, Qt::IntersectsItemShape);
113 QList<QGraphicsItem *> children = childItems();
114 for (int i = 0; i < children.count(); i++) {
115 items.removeAll(children.at(i));
120 if (!items.isEmpty()) {
121 for (int i = 0; i < items.count(); i++) {
122 if (items.at(i)->type() == AVWIDGET) {
124 //kDebug()<<"/// COLLISION WITH ITEM: "<<items.at(i)->sceneBoundingRect();
126 QPointF otherPos = items.at(i)->pos();
127 if ((int) otherPos.y() != (int) pos().y()) return pos();
128 if (pos().x() < otherPos.x()) {
129 // move clip just before colliding clip
130 int npos = (static_cast < AbstractClipItem* >(items.at(i))->startPos()).frames(m_fps) - sceneBoundingRect().width();
133 // get pos just after colliding clip
134 int npos = static_cast < AbstractClipItem* >(items.at(i))->endPos().frames(m_fps);
143 return QGraphicsItem::itemChange(change, value);