X-Git-Url: https://git.sesse.net/?a=blobdiff_plain;f=src%2Fgraphicsscenerectmove.cpp;h=ed563581621e5b04f990b3bbafc8bde1c8a7565e;hb=4ae3260592acc87712db77b7d3fe0cc2be7d76bc;hp=d0ceb8c8c483b17d9e351a3faa76cc360aa27a02;hpb=2a223cff6e45c560c28857b72c0cb7e584f9a4ef;p=kdenlive diff --git a/src/graphicsscenerectmove.cpp b/src/graphicsscenerectmove.cpp index d0ceb8c8..ed563581 100644 --- a/src/graphicsscenerectmove.cpp +++ b/src/graphicsscenerectmove.cpp @@ -1,136 +1,571 @@ +/*************************************************************************** + * copyright (C) 2008 by Marco Gittler (g.marco@freenet.de) * + * Copyright (C) 2008 by Jean-Baptiste Mardelle (jb@kdenlive.org) * + * * + * 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 2 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, write to the * + * Free Software Foundation, Inc., * + * 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA * + ***************************************************************************/ + #include "graphicsscenerectmove.h" + #include #include #include +#include #include #include +#include +#include +#include +#include +#include + -QGraphicsItem* selected = NULL; -int button = 0; -int resizeMode = -1; -enum resizeMode {NoResize, TopLeft, BottomLeft, TopRight, BottomRight, Left, Right, Up, Down}; -GraphicsSceneRectMove::GraphicsSceneRectMove(QObject *parent): QGraphicsScene(parent) { +GraphicsSceneRectMove::GraphicsSceneRectMove(QObject *parent) : + QGraphicsScene(parent), + m_selectedItem(NULL), + m_resizeMode(NoResize), + m_tool(TITLE_RECTANGLE) +{ //grabMouse(); - zoom = 1.0; -} - -void GraphicsSceneRectMove::mouseMoveEvent(QGraphicsSceneMouseEvent* e) { - - if (selected && selected->type() == 3 && e->buttons() & Qt::LeftButton) { - - QGraphicsRectItem *gi = (QGraphicsRectItem*)selected; - QRectF newrect = gi->rect(); - QPointF newpoint = e->scenePos(); - newpoint -= selected->scenePos(); - switch (resizeMode) { - case TopLeft: - newrect.setTopLeft(newpoint); - break; - case BottomLeft: - newrect.setBottomLeft(newpoint); - break; - case TopRight: - newrect.setTopRight(newpoint); - break; - case BottomRight: - newrect.setBottomRight(newpoint); - break; - case Left: - newrect.setLeft(newpoint.x()); - break; - case Right: - newrect.setRight(newpoint.x()); - break; - case Up: - newrect.setTop(newpoint.y()); - break; - case Down: - newrect.setBottom(newpoint.y()); - break; - } + m_zoom = 1.0; + setBackgroundBrush(QBrush(Qt::transparent)); + m_fontSize = 0; +} - gi->setRect(newrect); - gi->setPos(selected->scenePos()); +void GraphicsSceneRectMove::setSelectedItem(QGraphicsItem *item) +{ + clearSelection(); + m_selectedItem = item; + item->setSelected(true); + update(); +} + +TITLETOOL GraphicsSceneRectMove::tool() const +{ + return m_tool; +} + +void GraphicsSceneRectMove::setTool(TITLETOOL tool) +{ + m_tool = tool; + switch (m_tool) { + case TITLE_RECTANGLE: + setCursor(Qt::CrossCursor); + break; + case TITLE_TEXT: + setCursor(Qt::IBeamCursor); + break; + default: + setCursor(Qt::ArrowCursor); } +} - QPointF p = e->scenePos(); - p += QPoint(-2, -2); - resizeMode = NoResize; - selected = NULL; - foreach(QGraphicsItem* g, items(QRectF(p , QSizeF(4, 4)).toRect())) { - - if (g->type() == 3) { - - QGraphicsRectItem *gi = (QGraphicsRectItem*)g; - QRectF r = gi->rect(); - r.translate(gi->scenePos()); - - if ((r.toRect().topLeft() -= e->scenePos().toPoint()).manhattanLength() < 3) { - resizeMode = TopLeft; - } else if ((r.toRect().bottomLeft() -= e->scenePos().toPoint()).manhattanLength() < 3) { - resizeMode = BottomLeft; - } else if ((r.toRect().topRight() -= e->scenePos().toPoint()).manhattanLength() < 3) { - resizeMode = TopRight; - } else if ((r.toRect().bottomRight() -= e->scenePos().toPoint()).manhattanLength() < 3) { - resizeMode = BottomRight; - } else if (qAbs(r.toRect().left() - e->scenePos().toPoint().x()) < 3) { - resizeMode = Left; - } else if (qAbs(r.toRect().right() - e->scenePos().toPoint().x()) < 3) { - resizeMode = Right; - } else if (qAbs(r.toRect().top() - e->scenePos().toPoint().y()) < 3) { - resizeMode = Up; - } else if (qAbs(r.toRect().bottom() - e->scenePos().toPoint().y()) < 3) { - resizeMode = Down; - } - if (resizeMode != NoResize) - selected = gi; +void GraphicsSceneRectMove::keyPressEvent(QKeyEvent * keyEvent) +{ + if (m_selectedItem == NULL || !(m_selectedItem->flags() & QGraphicsItem::ItemIsMovable)) { + QGraphicsScene::keyPressEvent(keyEvent); + return; + } + if (m_selectedItem->type() == QGraphicsTextItem::Type) { + QGraphicsTextItem *t = static_cast(m_selectedItem); + if (t->textInteractionFlags() & Qt::TextEditorInteraction) { + QGraphicsScene::keyPressEvent(keyEvent); + return; } - break; } - switch (resizeMode) { - case TopLeft: - case BottomRight: - setCursor(QCursor(Qt::SizeFDiagCursor)); + int diff = 1; + if (keyEvent->modifiers() & Qt::ControlModifier) diff = 10; + switch (keyEvent->key()) { + case Qt::Key_Left: + foreach (QGraphicsItem *qgi, selectedItems()) { qgi->moveBy(-diff,0); } + emit itemMoved(); break; - case BottomLeft: - case TopRight: - setCursor(QCursor(Qt::SizeBDiagCursor)); + case Qt::Key_Right: + foreach (QGraphicsItem *qgi, selectedItems()) { qgi->moveBy( diff,0); } + emit itemMoved(); break; - case Left: - case Right: - setCursor(Qt::SizeHorCursor); + case Qt::Key_Up: + foreach (QGraphicsItem *qgi, selectedItems()) { qgi->moveBy(0,-diff); } + emit itemMoved(); break; - case Up: - case Down: - setCursor(Qt::SizeVerCursor); + case Qt::Key_Down: + foreach (QGraphicsItem *qgi, selectedItems()) { qgi->moveBy(0, diff); } + emit itemMoved(); + break; + case Qt::Key_Delete: + case Qt::Key_Backspace: + foreach (QGraphicsItem *qgi, selectedItems()) { + if (qgi->data(-1).toInt() == -1) continue; + removeItem(qgi); + delete qgi; + } + m_selectedItem = NULL; + emit selectionChanged(); break; default: - setCursor(QCursor(Qt::ArrowCursor)); - QGraphicsScene::mouseMoveEvent(e); + QGraphicsScene::keyPressEvent(keyEvent); } + emit actionFinished(); +} + +void GraphicsSceneRectMove::mouseDoubleClickEvent(QGraphicsSceneMouseEvent* e) +{ + QPointF p = e->scenePos(); + p += QPoint(-2, -2); + m_resizeMode = NoResize; + m_selectedItem = NULL; + // http://www.kdenlive.org/mantis/view.php?id=1035 + QList i = items(QRectF(p , QSizeF(4, 4)).toRect()); + if (i.isEmpty()) return; + QGraphicsItem* g = i.first(); + if (g->type() == QGraphicsTextItem::Type) { + m_selectedItem = g; + QGraphicsTextItem *t = static_cast(g); + t->setTextInteractionFlags(Qt::TextEditorInteraction); + } else emit doubleClickEvent(); + QGraphicsScene::mouseDoubleClickEvent(e); } -void GraphicsSceneRectMove::wheelEvent(QGraphicsSceneWheelEvent * wheelEvent) { - QList viewlist = views(); - kDebug() << wheelEvent->delta() << " " << zoom; - if (viewlist.size() > 0) { - if (wheelEvent->delta() < 0 && zoom < 20.0) { - zoom *= 1.1; +void GraphicsSceneRectMove::mouseReleaseEvent(QGraphicsSceneMouseEvent *e) +{ + if (m_tool == TITLE_RECTANGLE && m_selectedItem) setSelectedItem(m_selectedItem); + QGraphicsScene::mouseReleaseEvent(e); + emit actionFinished(); +} + +void GraphicsSceneRectMove::mousePressEvent(QGraphicsSceneMouseEvent* e) +{ + m_clickPoint = e->screenPos(); + QPointF p = e->scenePos(); + p += QPoint(-2, -2); + m_resizeMode = NoResize; + const QList list = items(QRectF(p , QSizeF(4, 4)).toRect()); + QGraphicsItem *item = NULL; + + if (m_tool == TITLE_SELECT) { + foreach(QGraphicsItem *g, list) { + kDebug() << " - - CHECKING ITEM Z:" << g->zValue() << ", TYPE: " << g->type(); + // check is there is a selected item in list + if (g->zValue() > -1000 && g->isSelected()) { + item = g; + break; + } + } + if (item == NULL || !(item->flags() & QGraphicsItem::ItemIsSelectable)) { + if (m_selectedItem && m_selectedItem->type() == QGraphicsTextItem::Type) { + // disable text editing + QGraphicsTextItem *t = static_cast(m_selectedItem); + t->textCursor().setPosition(0); + QTextBlock cur = t->textCursor().block(); + t->setTextCursor(QTextCursor(cur)); + t->setTextInteractionFlags(Qt::NoTextInteraction); + } + m_selectedItem = NULL; + foreach(QGraphicsItem* g, list) { + if (g->zValue() > -1000) { + item = g; + break; + } + } + } + if (item != NULL && item->flags() & QGraphicsItem::ItemIsMovable) { + m_sceneClickPoint = e->scenePos(); + m_selectedItem = item; + kDebug() << "///////// ITEM TYPE: " << item->type(); + if (item->type() == QGraphicsTextItem::Type) { + QGraphicsTextItem *t = static_cast(item); + if (t->textInteractionFlags() == Qt::TextEditorInteraction) { + QGraphicsScene::mousePressEvent(e); + return; + } + t->setTextInteractionFlags(Qt::NoTextInteraction); + setCursor(Qt::ClosedHandCursor); + } else if (item->type() == QGraphicsRectItem::Type || item->type() == QGraphicsSvgItem::Type || item->type() == QGraphicsPixmapItem::Type) { + QRectF r1; + if (m_selectedItem->type() == QGraphicsRectItem::Type) + r1 = ((QGraphicsRectItem*)m_selectedItem)->rect().normalized(); + else + r1 = m_selectedItem->boundingRect().normalized(); + + QList viewlist = views(); + QGraphicsView *view = NULL; + if (viewlist.size() > 0) view = viewlist[0]; + if (view == NULL) return; + // Item mapped coordinates + QPolygon r = m_selectedItem->deviceTransform(view->viewportTransform()).map(r1).toPolygon(); + QPainterPath top(r.point(0)); + top.lineTo(r.point(1)); + QPainterPath bottom(r.point(2)); + bottom.lineTo(r.point(3)); + QPainterPath left(r.point(0)); + left.lineTo(r.point(3)); + QPainterPath right(r.point(1)); + right.lineTo(r.point(2)); + + + // The area interested by the mouse pointer + QPoint viewPos = view->mapFromScene(e->scenePos()); + QPainterPath mouseArea; + mouseArea.addRect(viewPos.x() - 4, viewPos.y() - 4, 8, 8); + + // Check for collisions between the mouse and the borders + if (mouseArea.contains(r.point(0))) m_resizeMode = TopLeft; + else if (mouseArea.contains(r.point(2))) m_resizeMode = BottomRight; + else if (mouseArea.contains(r.point(1))) m_resizeMode = TopRight; + else if (mouseArea.contains(r.point(3))) m_resizeMode = BottomLeft; + else if (top.intersects(mouseArea)) m_resizeMode = Up; + else if (bottom.intersects(mouseArea)) m_resizeMode = Down; + else if (right.intersects(mouseArea)) m_resizeMode = Right; + else if (left.intersects(mouseArea)) m_resizeMode = Left; - } else if (wheelEvent->delta() > 0 && zoom > .05) { - zoom /= 1.1; + else + setCursor(Qt::ClosedHandCursor); + } + } + QGraphicsScene::mousePressEvent(e); + } else if (m_tool == TITLE_RECTANGLE) { + m_sceneClickPoint = e->scenePos(); + m_selectedItem = NULL; + } else if (m_tool == TITLE_TEXT) { + m_selectedItem = addText(QString()); + emit newText((QGraphicsTextItem *) m_selectedItem); + m_selectedItem->setFlags(QGraphicsItem::ItemIsMovable | QGraphicsItem::ItemIsSelectable); + ((QGraphicsTextItem *)m_selectedItem)->setTextInteractionFlags(Qt::TextEditorInteraction); + m_selectedItem->setPos(e->scenePos() - QPointF(0, (int)(m_fontSize / 2))); + QGraphicsScene::mousePressEvent(e); + } + + kDebug() << "////// MOUSE CLICK, RESIZE MODE: " << m_resizeMode; + +} + +void GraphicsSceneRectMove::clearTextSelection() +{ + if (m_selectedItem && m_selectedItem->type() == QGraphicsTextItem::Type) { + // disable text editing + QGraphicsTextItem *t = static_cast(m_selectedItem); + t->textCursor().setPosition(0); + QTextBlock cur = t->textCursor().block(); + t->setTextCursor(QTextCursor(cur)); + t->setTextInteractionFlags(Qt::NoTextInteraction); + } + m_selectedItem = NULL; + clearSelection(); +} + +void GraphicsSceneRectMove::mouseMoveEvent(QGraphicsSceneMouseEvent* e) +{ + if (e->buttons() != Qt::NoButton && (e->screenPos() - m_clickPoint).manhattanLength() < QApplication::startDragDistance()) { + e->accept(); + return; + } + if (m_selectedItem && e->buttons() & Qt::LeftButton) { + if (m_selectedItem->type() == QGraphicsRectItem::Type || m_selectedItem->type() == QGraphicsSvgItem::Type || m_selectedItem->type() == QGraphicsPixmapItem::Type) { + QRectF newrect; + if (m_selectedItem->type() == QGraphicsRectItem::Type) + newrect = ((QGraphicsRectItem*)m_selectedItem)->rect(); + else + newrect = m_selectedItem->boundingRect(); + QPointF newpoint = e->scenePos(); + /* + * The vertices of the rectangle (check for matrix + * transformation); to be replaced by QTransform::map()? + */ + QPointF itemOrigin = m_selectedItem->scenePos(); + QTransform transform = m_selectedItem->transform(); + QPointF topLeft(transform.m11() * newrect.toRect().left() + transform.m21() * newrect.toRect().top() + transform.m31() + itemOrigin.x(), transform.m22() * newrect.toRect().top() + transform.m12() * newrect.toRect().left() + transform.m32() + itemOrigin.y()); + QPointF bottomLeft(transform.m11() * newrect.toRect().left() + transform.m21() * newrect.toRect().bottom() + transform.m31() + itemOrigin.x(), transform.m22() * newrect.toRect().bottom() + transform.m12() * newrect.toRect().left() + transform.m32() + itemOrigin.y()); + QPointF topRight(transform.m11() * newrect.toRect().right() + transform.m21() * newrect.toRect().top() + transform.m31() + itemOrigin.x(), transform.m22() * newrect.toRect().top() + transform.m12() * newrect.toRect().right() + transform.m32() + itemOrigin.y()); + QPointF bottomRight(transform.m11() * newrect.toRect().right() + transform.m21() * newrect.toRect().bottom() + transform.m31() + itemOrigin.x(), transform.m22() * newrect.toRect().bottom() + transform.m12() * newrect.toRect().right() + transform.m32() + itemOrigin.y()); + // Convert the mouse coordinates applying inverted transformation + QPointF newPointRelative = newpoint - itemOrigin; + QPointF resizePoint(transform.inverted().m11() * newPointRelative.x() + transform.inverted().m21() * newPointRelative.y() + transform.inverted().m31(), transform.inverted().m22() * newPointRelative.y() + transform.inverted().m12() * newPointRelative.x() + transform.inverted().m32()); + /* + * Will check if the mouse is on the right of the limit lines with a + * determinant (it must be less than zero because the Y axis is + * inverted) + */ + int determinantH, determinantV; + // Check whether to resize or to just move the item(s) + switch (m_resizeMode) { + case TopLeft: + determinantV = (bottomRight.x() - newpoint.x()) * (topRight.y() - newpoint.y()) - (bottomRight.y() - newpoint.y()) * (topRight.x() - newpoint.x()); + determinantH = (bottomLeft.x() - newpoint.x()) * (bottomRight.y() - newpoint.y()) - (bottomLeft.y() - newpoint.y()) * (bottomRight.x() - newpoint.x()); + if (determinantV < 0) { + if (determinantH < 0) { + // resizePoint is not working for some reason + newrect.setBottomRight(QPointF(newrect.width() - (transform.inverted().m11() * resizePoint.x() + transform.inverted().m21() * resizePoint.y() + transform.inverted().m31()), newrect.bottom() - (transform.inverted().m22() * resizePoint.y() + transform.inverted().m12() * resizePoint.x() + transform.inverted().m32()))); + m_selectedItem->setPos(resizePoint + itemOrigin); + } else + m_resizeMode = BottomLeft; + } else { + if (determinantH < 0) + m_resizeMode = TopRight; + else + m_resizeMode = BottomRight; + } + break; + case BottomLeft: + determinantV = (bottomRight.x() - newpoint.x()) * (topRight.y() - newpoint.y()) - (bottomRight.y() - newpoint.y()) * (topRight.x() - newpoint.x()); + determinantH = (topRight.x() - newpoint.x()) * (topLeft.y() - newpoint.y()) - (topRight.y() - newpoint.y()) * (topLeft.x() - newpoint.x()); + if (determinantV < 0) { + if (determinantH < 0) { + newrect.setBottomRight(QPointF(newrect.width() - resizePoint.x(), resizePoint.y())); + m_selectedItem->setPos(QPointF(transform.m11() * resizePoint.x() + transform.m21() *(newrect.bottom() - resizePoint.y()) + transform.m31() + itemOrigin.x(), transform.m22() *(newrect.bottom() - resizePoint.y()) + transform.m12() * resizePoint.x() + transform.m32() + itemOrigin.y())); + } else + m_resizeMode = TopLeft; + } else { + if (determinantH < 0) + m_resizeMode = BottomRight; + else + m_resizeMode = TopRight; + } + break; + case TopRight: + determinantV = (topLeft.x() - newpoint.x()) * (bottomLeft.y() - newpoint.y()) - (topLeft.y() - newpoint.y()) * (bottomLeft.x() - newpoint.x()); + determinantH = (bottomLeft.x() - newpoint.x()) * (bottomRight.y() - newpoint.y()) - (bottomLeft.y() - newpoint.y()) * (bottomRight.x() - newpoint.x()); + if (determinantV < 0) { + if (determinantH < 0) { + newrect.setBottomRight(QPointF(resizePoint.x(), newrect.bottom() - resizePoint.y())); + m_selectedItem->setPos(QPointF(transform.m11() *(newrect.width() - resizePoint.x()) + transform.m21() * resizePoint.y() + transform.m31() + itemOrigin.x(), transform.m22() * resizePoint.y() + transform.m12() *(newrect.width() - resizePoint.x()) + transform.m32() + itemOrigin.y())); + } else + m_resizeMode = BottomRight; + } else { + if (determinantH < 0) + m_resizeMode = TopLeft; + else + m_resizeMode = BottomLeft; + } + break; + case BottomRight: + determinantV = (topLeft.x() - newpoint.x()) * (bottomLeft.y() - newpoint.y()) - (topLeft.y() - newpoint.y()) * (bottomLeft.x() - newpoint.x()); + determinantH = (topRight.x() - newpoint.x()) * (topLeft.y() - newpoint.y()) - (topRight.y() - newpoint.y()) * (topLeft.x() - newpoint.x()); + if (determinantV < 0) { + if (determinantH < 0) + newrect.setBottomRight(resizePoint); + else + m_resizeMode = TopRight; + } else { + if (determinantH < 0) + m_resizeMode = BottomLeft; + else + m_resizeMode = TopLeft; + } + break; + case Left: + determinantV = (bottomRight.x() - newpoint.x()) * (topRight.y() - newpoint.y()) - (bottomRight.y() - newpoint.y()) * (topRight.x() - newpoint.x()); + if (determinantV < 0) { + newrect.setRight(newrect.width() - resizePoint.x()); + m_selectedItem->setPos(QPointF(transform.m11() * resizePoint.x() + transform.m31() + itemOrigin.x(), transform.m12() * resizePoint.x() + transform.m32() + itemOrigin.y())); + } else + m_resizeMode = Right; + break; + case Right: + determinantV = (topLeft.x() - newpoint.x()) * (bottomLeft.y() - newpoint.y()) - (topLeft.y() - newpoint.y()) * (bottomLeft.x() - newpoint.x()); + if (determinantV < 0) + newrect.setRight(resizePoint.x()); + else + m_resizeMode = Left; + break; + case Up: + determinantH = (bottomLeft.x() - newpoint.x()) * (bottomRight.y() - newpoint.y()) - (bottomLeft.y() - newpoint.y()) * (bottomRight.x() - newpoint.x()); + if (determinantH < 0) { + newrect.setBottom(newrect.bottom() - resizePoint.y()); + m_selectedItem->setPos(QPointF(transform.m21() * resizePoint.y() + transform.m31() + itemOrigin.x(), transform.m22() * resizePoint.y() + transform.m32() + itemOrigin.y())); + } else + m_resizeMode = Down; + break; + case Down: + determinantH = (topRight.x() - newpoint.x()) * (topLeft.y() - newpoint.y()) - (topRight.y() - newpoint.y()) * (topLeft.x() - newpoint.x()); + if (determinantH < 0) + newrect.setBottom(resizePoint.y()); + else + m_resizeMode = Up; + break; + default: + QPointF diff = e->scenePos() - m_sceneClickPoint; + m_sceneClickPoint = e->scenePos(); + foreach (QGraphicsItem *qgi, selectedItems()) { qgi->moveBy(diff.x(), diff.y()); } + break; + } + if (m_selectedItem->type() == QGraphicsRectItem::Type && m_resizeMode != NoResize) { + QGraphicsRectItem *gi = (QGraphicsRectItem*)m_selectedItem; + // Resize using aspect ratio + if (!m_selectedItem->data(0).isNull()) { + // we want to keep aspect ratio + double hRatio = (double) newrect.width() / m_selectedItem->data(0).toInt(); + double vRatio = (double) newrect.height() / m_selectedItem->data(1).toInt(); + if (hRatio < vRatio) newrect.setHeight(m_selectedItem->data(1).toInt() * hRatio); + else newrect.setWidth(m_selectedItem->data(0).toInt() * vRatio); + } + + gi->setRect(newrect); + } + /*else { + qreal s; + if (resizeMode == Left || resizeMode == Right ) s = m_selectedItem->boundingRect().width() / newrect.width(); + else s = m_selectedItem->boundingRect().height() / newrect.height(); + m_selectedItem->scale( 1 / s, 1 / s ); + kDebug()<<"/// SCALING SVG, RESIZE MODE: "<boundingRect(); + }*/ + //gi->setPos(m_selectedItem->scenePos()); + /*if (resizeMode == NoResize) { + QGraphicsScene::mouseMoveEvent(e); + return; + }*/ + } else if (m_selectedItem->type() == QGraphicsTextItem::Type) { + QGraphicsTextItem *t = static_cast(m_selectedItem); + if (t->textInteractionFlags() & Qt::TextEditorInteraction) { + QGraphicsScene::mouseMoveEvent(e); + return; + } + QPointF diff = e->scenePos() - m_sceneClickPoint; + m_sceneClickPoint = e->scenePos(); + foreach (QGraphicsItem *qgi, selectedItems()) { qgi->moveBy(diff.x(), diff.y()); } } + emit itemMoved(); + } else if (m_tool == TITLE_SELECT) { + QList viewlist = views(); + QGraphicsView *view = NULL; + if (viewlist.size() > 0) view = viewlist[0]; + + QPointF p = e->scenePos(); + p += QPoint(-2, -2); + m_resizeMode = NoResize; + bool itemFound = false; + QList list = items(QRectF(p , QSizeF(4, 4)).toRect()); + foreach(const QGraphicsItem* g, list) { + if ((g->type() == QGraphicsSvgItem::Type || g->type() == QGraphicsPixmapItem::Type) && g->zValue() > -1000) { + // image or svg item + setCursor(Qt::OpenHandCursor); + break; + } else if (g->type() == QGraphicsRectItem::Type && g->zValue() > -1000) { + if (view == NULL) continue; + QRectF r1 = ((const QGraphicsRectItem*)g)->rect().normalized(); + itemFound = true; + + // Item mapped coordinates + QPolygon r = g->deviceTransform(view->viewportTransform()).map(r1).toPolygon(); + QPainterPath top(r.point(0)); + top.lineTo(r.point(1)); + QPainterPath bottom(r.point(2)); + bottom.lineTo(r.point(3)); + QPainterPath left(r.point(0)); + left.lineTo(r.point(3)); + QPainterPath right(r.point(1)); + right.lineTo(r.point(2)); + // The area interested by the mouse pointer + QPoint viewPos = view->mapFromScene(e->scenePos()); + QPainterPath mouseArea; + mouseArea.addRect(viewPos.x() - 4, viewPos.y() - 4, 8, 8); + + // Check for collisions between the mouse and the borders + if (mouseArea.contains(r.point(0)) || mouseArea.contains(r.point(2))) setCursor(Qt::SizeFDiagCursor); + else if (mouseArea.contains(r.point(1)) || mouseArea.contains(r.point(3))) setCursor(Qt::SizeBDiagCursor); + else if (top.intersects(mouseArea) || bottom.intersects(mouseArea)) setCursor(Qt::SizeVerCursor); + else if (right.intersects(mouseArea) || left.intersects(mouseArea)) setCursor(Qt::SizeHorCursor); + else + setCursor(Qt::OpenHandCursor); + break; + } + if (!itemFound) setCursor(Qt::ArrowCursor); + } + QGraphicsScene::mouseMoveEvent(e); + } else if (m_tool == TITLE_RECTANGLE && e->buttons() & Qt::LeftButton) { + if (m_selectedItem == NULL) { + // create new rect item + QRectF r(0, 0, e->scenePos().x() - m_sceneClickPoint.x(), e->scenePos().y() - m_sceneClickPoint.y()); + r = r.normalized(); + m_selectedItem = addRect(QRectF(0, 0, r.width(), r.height())); + emit newRect((QGraphicsRectItem *) m_selectedItem); + m_selectedItem->setFlags(QGraphicsItem::ItemIsMovable | QGraphicsItem::ItemIsSelectable); + m_selectedItem->setPos(m_sceneClickPoint); + m_resizeMode = BottomRight; + QGraphicsScene::mouseMoveEvent(e); + } + } +} + +void GraphicsSceneRectMove::wheelEvent(QGraphicsSceneWheelEvent * wheelEvent) +{ + if (wheelEvent->modifiers() == Qt::ControlModifier) { + QList viewlist = views(); + //kDebug() << wheelEvent->delta() << " " << zoom; + if (viewlist.size() > 0) { + if (wheelEvent->delta() > 0) emit sceneZoom(true); + else emit sceneZoom(false); + } + } else wheelEvent->setAccepted(false); +} + +void GraphicsSceneRectMove::setScale(double s) +{ + if (m_zoom < 1.0 / 7.0 && s < 1.0) return; + else if (m_zoom > 10.0 / 7.9 && s > 1.0) return; + QList viewlist = views(); + if (viewlist.size() > 0) { + viewlist[0]->scale(s, s); + m_zoom = m_zoom * s; + } + //kDebug()<<"////////// ZOOM: "< viewlist = views(); + if (viewlist.size() > 0) { viewlist[0]->resetTransform(); - viewlist[0]->scale(zoom, zoom); + viewlist[0]->scale(s, s); + m_zoom = s; } + + //kDebug()<<"////////// ZOOM: "< l = views(); +void GraphicsSceneRectMove::setCursor(QCursor c) +{ + const QList l = views(); foreach(QGraphicsView* v, l) { v->setCursor(c); } } + +void GraphicsSceneRectMove::setResizeCursor(qreal angle) +{ + // % is not working... + while (angle < 0) + angle += 180; + while (angle >= 180) + angle -= 180; + if (angle > 157.5 || angle <= 22.5) + setCursor(Qt::SizeVerCursor); + else if (angle > 22.5 && angle <= 67.5) + setCursor(Qt::SizeFDiagCursor); + else if (angle > 67.5 && angle <= 112.5) + setCursor(Qt::SizeHorCursor); + else if (angle > 112.5 && angle <= 157.5) + setCursor(Qt::SizeBDiagCursor); +} + +void GraphicsSceneRectMove::slotUpdateFontSize(int s) +{ + m_fontSize = s; +} + +#include "graphicsscenerectmove.moc"