File indexing completed on 2024-05-12 16:35:45

 /* This file is part of the KDE project
    Copyright 2006 Robert Knight <robertknight@gmail.com>
    Copyright 2006 Inge Wallin <inge@lysator.liu.se>
    Copyright 2006 Stefan Nikolaus <stefan.nikolaus@kdemail.net>
    Copyright 1999-2002,2004 Laurent Montel <montel@kde.org>
    Copyright 2002-2005 Ariya Hidayat <ariya@kde.org>
    Copyright 1999-2004 David Faure <faure@kde.org>
    Copyright 2004-2005 Meni Livne <livne@kde.org>
    Copyright 2001-2003 Philipp Mueller <philipp.mueller@gmx.de>
    Copyright 2002-2003 Norbert Andres <nandres@web.de>
    Copyright 2003 Hamish Rodda <rodda@kde.org>
    Copyright 2003 Joseph Wenninger <jowenn@kde.org>
    Copyright 2003 Lukas Tinkl <lukas@kde.org>
    Copyright 2000-2002 Werner Trobin <trobin@kde.org>
    Copyright 2002 Harri Porten <porten@kde.org>
    Copyright 2002 John Dailey <dailey@vt.edu>
    Copyright 2002 Daniel Naber <daniel.naber@t-online.de>
    Copyright 1999-2000 Torben Weis <weis@kde.org>
    Copyright 1999-2000 Stephan Kulow <coolo@kde.org>
    Copyright 2000 Bernd Wuebben <wuebben@kde.org>
    Copyright 2000 Wilco Greven <greven@kde.org>
    Copyright 2000 Simon Hausmann <hausmann@kde.org
    Copyright 1999 Michael Reiher <michael.reiher@gmx.de>
    Copyright 1999 Boris Wedl <boris.wedl@kfunigraz.ac.at>
    Copyright 1999 Reginald Stadlbauer <reggie@kde.org>
 
    This library is free software; you can redistribute it and/or
    modify it under the terms of the GNU Library General Public
    License as published by the Free Software Foundation; either
    version 2 of the License, or (at your option) any later version.
 
    This library 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
    Library General Public License for more details.
 
    You should have received a copy of the GNU Library General Public License
    along with this library; see the file COPYING.LIB.  If not, write to
    the Free Software Foundation, Inc., 51 Franklin Street, Fifth Floor,
    Boston, MA 02110-1301, USA.
 */
 
 // Local
 #include "HeaderItems.h"
 
 // Qt
 #include <QApplication>
 #include <QDesktopWidget>
 #include <QLabel>
 #include <QPainter>
 #include <QRubberBand>
 #include <QStyle>
 #include <QTextLayout>
 #include <QToolTip>
 #include <QScrollBar>
 #include <QStyleOptionGraphicsItem>
 #include <QGraphicsSceneWheelEvent>
 
 // KF5
 #include <KLocalizedString>
 
 // Calligra
 #include <KoCanvasController.h>
 #include <KoToolProxy.h>
 #include <KoZoomHandler.h>
 #include <KoPointerEvent.h>
 #include <KoUnit.h>
 
 // Sheets
 #include "CanvasItem.h"
 #include "Cell.h"
 #include "Doc.h"
 #include "calligra_sheets_limits.h"
 #include "RowColumnFormat.h"
 #include "Sheet.h"
 
 // commands
 #include "commands/RowColumnManipulators.h"
 
 // ui
 #include "ui/Selection.h"
 
 using namespace Calligra::Sheets;
 
 /****************************************************************
  *
  * RowHeaderItem
  *
  ****************************************************************/
 
 RowHeaderItem::RowHeaderItem(QGraphicsItem *_parent, CanvasItem *_canvas)
         : QGraphicsWidget(_parent), RowHeader(_canvas)
 {
     //setMouseTracking(true);
     setAcceptHoverEvents(true);
 
     //connect(m_pView, SIGNAL(autoScroll(QPoint)),
             //this, SLOT(slotAutoScroll(QPoint)));
     connect(m_pCanvas->toolProxy(), SIGNAL(toolChanged(QString)),
             this, SLOT(toolChanged(QString)));
 
     setFlag(ItemClipsToShape, true);
 }
 
 
 RowHeaderItem::~RowHeaderItem()
 {
 }
 
 void RowHeaderItem::mousePressEvent(QGraphicsSceneMouseEvent * _ev)
 {
     KoPointerEvent pev(_ev, QPointF());
     mousePress(&pev);
 }
 
 void RowHeaderItem::mouseReleaseEvent(QGraphicsSceneMouseEvent * _ev)
 {
     KoPointerEvent pev(_ev, QPointF());
     mouseRelease(&pev);
 }
 
 void RowHeaderItem::mouseDoubleClickEvent(QGraphicsSceneMouseEvent* _ev)
 {
     KoPointerEvent pev(_ev, QPointF());
     mouseDoubleClick(&pev);
 }
 
 
 void RowHeaderItem::mouseMoveEvent(QGraphicsSceneMouseEvent * _ev)
 {
     KoPointerEvent pev(_ev, QPointF());
     mouseMove(&pev);
 }
 /*
 void RowHeaderItem::slotAutoScroll(const QPoint& scrollDistance)
 {
     // NOTE Stefan: This slot is triggered by the same signal as
     //              Canvas::slotAutoScroll and ColumnHeaderItem::slotAutoScroll.
     //              Therefore, nothing has to be done except the scrolling was
     //              initiated in this header.
     if (!m_bMousePressed)
         return;
     if (scrollDistance.y() == 0)
         return;
     const QPoint offset = m_pCanvas->viewConverter()->documentToView(m_pCanvas->offset()).toPoint();
     if (offset.y() + scrollDistance.y() < 0)
         return;
     m_pCanvas->setDocumentOffset(offset + QPoint(0, scrollDistance.y()));
     // XXX: Port!
     //QGraphicsSceneMouseEvent event(QEvent::MouseMove, mapFromGlobal(QCursor::pos()),
     //                  Qt::NoButton, Qt::NoButton, QApplication::keyboardModifiers());
     //QApplication::sendEvent(this, &event);
     m_pCanvas->update();
 }
 */
 void RowHeaderItem::wheelEvent(QGraphicsSceneWheelEvent* _ev)
 {
     Q_UNUSED(_ev);
     // TODO XXX
 }
 
 void RowHeaderItem::paintSizeIndicator(int mouseY)
 {
     register Sheet * const sheet = m_pCanvas->activeSheet();
     if (!sheet)
         return;
 
     m_iResizePos = mouseY;
 
     // Don't make the row have a height < 2 pixel.
     double y = m_pCanvas->zoomHandler()->zoomItY(sheet->rowPosition(m_iResizedRow) - m_pCanvas->yOffset());
     if (m_iResizePos < y + 2)
         m_iResizePos = (int) y;
 
     // XXX: Port to QGraphicsView
     //if (!m_rubberband) {
     //    m_rubberband = new QRubberBand(QRubberBand::Line, m_pCanvas);
     //    m_rubberband->setGeometry(0, m_iResizePos, m_pCanvas->width(), 2);
     //    m_rubberband->show();
     //}
     //m_rubberband->move(0, m_iResizePos);
 
     QString tmpSize;
     double hh = m_pCanvas->zoomHandler()->unzoomItY(m_iResizePos - y);
     double hu = m_pCanvas->doc()->unit().toUserValue(hh);
     if (hu > 0.01)
         tmpSize = i18n("Height: %1 %2", hu, m_pCanvas->doc()->unit().symbol());
     else
         tmpSize = i18n("Hide Row");
 
     if (!m_lSize) {
         int screenNo = 0; //QApplication::desktop()->screenNumber(topLevelWidget());
         m_lSize = new QLabel(QApplication::desktop()->screen(screenNo) , Qt::ToolTip);
         m_lSize->setAlignment(Qt::AlignVCenter);
         m_lSize->setAutoFillBackground(true);
         m_lSize->setPalette(QToolTip::palette());
         m_lSize->setMargin(1 + style()->pixelMetric(QStyle::PM_ToolTipLabelFrameWidth, 0, m_lSize));
         m_lSize->setFrameShape(QFrame::Box);
         m_lSize->setIndent(1);
     }
 
     m_lSize->setText(tmpSize);
     m_lSize->adjustSize();
     QRectF rcf = static_cast<CanvasItem*>(m_pCanvas)->boundingRect();
     QPoint pos = (sheet->layoutDirection() == Qt::RightToLeft) ? QPoint(rcf.width() - m_lSize->width() - 3, (int)y + 3) : QPoint(3, (int)y + 3);
     pos -= QPoint(0, m_lSize->height());
     // XXX: Port
     //m_lSize->move(m_pCanvas->mapToGlobal(pos).x(), m_pCanvas->mapToGlobal(pos).y());
     m_lSize->show();
 }
 
 void RowHeaderItem::removeSizeIndicator()
 {
     // XXX TODO
 }
 
 void RowHeaderItem::updateRows(int from, int to)
 {
     register Sheet * const sheet = m_pCanvas->activeSheet();
     if (!sheet)
         return;
 
     double y0 = m_pCanvas->zoomHandler()->zoomItY(sheet->rowPosition(from));
     double y1 = m_pCanvas->zoomHandler()->zoomItY(sheet->rowPosition(to + 1));
     QGraphicsItem::update(0, (int) y0, boundingRect().width(), (int)(y1 - y0));
 }
 
 void RowHeaderItem::paint(QPainter *painter, const QStyleOptionGraphicsItem * option, QWidget * widget)
 {
     Q_UNUSED(widget);
     RowHeader::paint(painter, option->exposedRect);
 }
 
 
 void RowHeaderItem::focusOutEvent(QFocusEvent* _ev)
 {
     focusOut(_ev);
 }
 
 void RowHeaderItem::toolChanged(const QString& toolId)
 {
     doToolChanged(toolId);
 }
 
 /****************************************************************
  *
  * ColumnHeaderItem
  *
  ****************************************************************/
 
 ColumnHeaderItem::ColumnHeaderItem(QGraphicsItem *_parent, CanvasItem *_canvas)
         : QGraphicsWidget(_parent), ColumnHeader(_canvas)
 {
     //setMouseTracking(true);
     setAcceptHoverEvents(true);
 
     //connect(_view, SIGNAL(autoScroll(QPoint)),
             //this, SLOT(slotAutoScroll(QPoint)));
     connect(_canvas->toolProxy(), SIGNAL(toolChanged(QString)),
             this, SLOT(toolChanged(QString)));
 
     setFlag(ItemClipsToShape, true);
 }
 
 
 ColumnHeaderItem::~ColumnHeaderItem()
 {
 }
 
 void ColumnHeaderItem::mousePressEvent(QGraphicsSceneMouseEvent * _ev)
 {
     KoPointerEvent pev(_ev, QPointF());
     mousePress(&pev);
 }
 
 void ColumnHeaderItem::mouseReleaseEvent(QGraphicsSceneMouseEvent * _ev)
 {
     KoPointerEvent pev(_ev, QPointF());
     mouseRelease(&pev);
 }
 
 void ColumnHeaderItem::mouseDoubleClickEvent(QGraphicsSceneMouseEvent* _ev)
 {
     KoPointerEvent pev(_ev, QPointF());
     mouseDoubleClick(&pev);
 }
 
 void ColumnHeaderItem::mouseMoveEvent(QGraphicsSceneMouseEvent * _ev)
 {
     KoPointerEvent pev(_ev, QPointF());
     mouseMove(&pev);
 }
 /*
 void ColumnHeaderItem::slotAutoScroll(const QPoint& scrollDistance)
 {
     // NOTE Stefan: This slot is triggered by the same signal as
     //              Canvas::slotAutoScroll and RowHeaderItem::slotAutoScroll.
     //              Therefore, nothing has to be done except the scrolling was
     //              initiated in this header.
     if (!m_bMousePressed)
         return;
     if (scrollDistance.x() == 0)
         return;
     const QPoint offset = m_pCanvas->viewConverter()->documentToView(m_pCanvas->offset()).toPoint();
     if (offset.x() + scrollDistance.x() < 0)
         return;
     m_pCanvas->setDocumentOffset(offset + QPoint(scrollDistance.x(), 0));
     //QGraphicsSceneMouseEvent event(QEvent::MouseMove, mapFromGlobal(QCursor::pos()),
     //                  Qt::NoButton, Qt::NoButton, QApplication::keyboardModifiers());
     //QApplication::sendEvent(this, &event);
     m_pCanvas->update();
 }
 */
 void ColumnHeaderItem::wheelEvent(QGraphicsSceneWheelEvent* _ev)
 {
     Q_UNUSED(_ev);
     // TODO XXX
 }
 
 void ColumnHeaderItem::resizeEvent(QGraphicsSceneResizeEvent* _ev)
 {
     ColumnHeader::resize(_ev->newSize(), _ev->oldSize());
 }
 
 void ColumnHeaderItem::paintSizeIndicator(int mouseX)
 {
     register Sheet * const sheet = m_pCanvas->activeSheet();
     if (!sheet)
         return;
 
     if (sheet->layoutDirection() == Qt::RightToLeft)
         m_iResizePos = mouseX + m_pCanvas->width() - boundingRect().width();
     else
         m_iResizePos = mouseX;
 
     // Don't make the column have a width < 2 pixels.
     double x = m_pCanvas->zoomHandler()->zoomItX(sheet->columnPosition(m_iResizedColumn) - m_pCanvas->xOffset());
 
     if (sheet->layoutDirection() == Qt::RightToLeft) {
         x = m_pCanvas->width() - x;
 
         if (m_iResizePos > x - 2)
             m_iResizePos = (int) x;
     } else {
         if (m_iResizePos < x + 2)
             m_iResizePos = (int) x;
     }
 // XXX: Port
 //    if (!m_rubberband) {
 //        m_rubberband = new QRubberBand(QRubberBand::Line, m_pCanvas);
 //        m_rubberband->setGeometry(m_iResizePos, 0, 2, m_pCanvas->height());
 //        m_rubberband->show();
 //    }
 //    m_rubberband->move(m_iResizePos, 0);
 
     QString tmpSize;
     double ww = m_pCanvas->zoomHandler()->unzoomItX((sheet->layoutDirection() == Qt::RightToLeft) ? x - m_iResizePos : m_iResizePos - x);
     double wu = m_pCanvas->doc()->unit().toUserValue(ww);
     if (wu > 0.01)
         tmpSize = i18n("Width: %1 %2", wu, m_pCanvas->doc()->unit().symbol());
     else
         tmpSize = i18n("Hide Column");
 
 // XXX: Port
 //    if (!m_lSize) {
 //        int screenNo = 0; // QApplication::desktop()->screenNumber(this);
 //        m_lSize = new QLabel(QApplication::desktop()->screen(screenNo) , Qt::ToolTip);
 //        m_lSize->setAlignment(Qt::AlignVCenter);
 //        m_lSize->setAutoFillBackground(true);
 //        m_lSize->setPalette(QToolTip::palette());
 //        m_lSize->setMargin(1 + style()->pixelMetric(QStyle::PM_ToolTipLabelFrameWidth, 0, m_lSize));
 //        m_lSize->setFrameShape(QFrame::Box);
 //        m_lSize->setIndent(1);
 //    }
 //
 //    m_lSize->setText(tmpSize);
 //    m_lSize->adjustSize();
 //    QPoint pos = (sheet->layoutDirection() == Qt::RightToLeft) ? QPoint((int) x - 3 - m_lSize->width(), 3) :
 //                 QPoint((int) x + 3, 3);
 //    pos -= QPoint(0, m_lSize->height());
 //    m_lSize->move(m_pCanvas->mapToGlobal(pos).x(), mapToGlobal(pos).y());
 //    m_lSize->show();
 }
 
 void ColumnHeaderItem::removeSizeIndicator()
 {
     // XXX TODO
 }
 
 void ColumnHeaderItem::updateColumns(int from, int to)
 {
     register Sheet * const sheet = m_pCanvas->activeSheet();
     if (!sheet)
         return;
 
     double x0 = m_pCanvas->zoomHandler()->zoomItX(sheet->columnPosition(from));
     double x1 = m_pCanvas->zoomHandler()->zoomItX(sheet->columnPosition(to + 1));
     QGraphicsItem::update((int) x0, 0, (int)(x1 - x0), boundingRect().height());
 }
 
 void ColumnHeaderItem::paint(QPainter * painter, const QStyleOptionGraphicsItem * option, QWidget * widget)
 {
     Q_UNUSED(widget);
     ColumnHeader::paint(painter, option->exposedRect);
 }
 
 
 void ColumnHeaderItem::focusOutEvent(QFocusEvent* _ev)
 {
     focusOut(_ev);
 }
 
 void ColumnHeaderItem::toolChanged(const QString& toolId)
 {
     doToolChanged(toolId);
 }
 
 void ColumnHeaderItem::scroll(qreal x, qreal y)
 {
     if (m_pCanvas->layoutDirection() == Qt::RightToLeft) {
         QGraphicsWidget::scroll(-x, y);
     } else {
         QGraphicsWidget::scroll(x, y);
     }
 }
 
 /****************************************************************
  *
  * SelectAllButtonItem
  *
  ****************************************************************/
 
 SelectAllButtonItem::SelectAllButtonItem(QGraphicsItem *_parent, CanvasBase* canvasBase)
         : QGraphicsWidget(_parent)
         , SelectAllButton(canvasBase)
 {
     connect(canvasBase->toolProxy(), SIGNAL(toolChanged(QString)),
             this, SLOT(toolChanged(QString)));
 }
 
 SelectAllButtonItem::~SelectAllButtonItem()
 {
 }
 
 void SelectAllButtonItem::paint(QPainter * painter, const QStyleOptionGraphicsItem * option, QWidget * widget)
 {
     Q_UNUSED(widget);
     SelectAllButton::paint(painter, option->exposedRect);
 }
 
 void SelectAllButtonItem::mousePressEvent(QGraphicsSceneMouseEvent* _ev)
 {
     KoPointerEvent pev(_ev, QPointF());
     mousePress(&pev);
 }
 
 void SelectAllButtonItem::mouseReleaseEvent(QGraphicsSceneMouseEvent* _ev)
 {
     KoPointerEvent pev(_ev, QPointF());
     mouseRelease(&pev);
 }
 
 void SelectAllButtonItem::wheelEvent(QGraphicsSceneWheelEvent* _ev)
 {
     Q_UNUSED(_ev);
     // TODO XXX
 }
 
 void SelectAllButtonItem::toolChanged(const QString& toolId)
 {
     doToolChanged(toolId);
 }