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/* This file is part of the KDE project
Copyright 2008 Stefan Nikolaus <stefan.nikolaus@kdemail.net>
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.
*/
#include "AbstractSelectionStrategy.h"
#include "CellToolBase.h"
#include "calligra_sheets_limits.h"
#include "RowColumnFormat.h"
#include "RowFormatStorage.h"
#include "Selection.h"
#include "Sheet.h"
#include <KoCanvasBase.h>
#include <KoSelection.h>
#include <KoShapeManager.h>
#include <KoViewConverter.h>
using namespace Calligra::Sheets;
class AbstractSelectionStrategy::Private
{
public:
CellToolBase *cellTool;
QPointF start;
};
AbstractSelectionStrategy::AbstractSelectionStrategy(CellToolBase *cellTool,
const QPointF &documentPos, Qt::KeyboardModifiers modifiers)
: KoInteractionStrategy(cellTool)
, d(new Private)
{
Q_UNUSED(modifiers)
d->cellTool = cellTool;
d->start = documentPos;
}
AbstractSelectionStrategy::~AbstractSelectionStrategy()
{
delete d;
}
void AbstractSelectionStrategy::handleMouseMove(const QPointF& documentPos, Qt::KeyboardModifiers modifiers)
{
Q_UNUSED(modifiers)
Selection *const selection = d->cellTool->selection();
const QPointF position = documentPos - cellTool()->offset();
// In which cell did the user click?
qreal xpos;
qreal ypos;
int col = selection->activeSheet()->leftColumn(position.x(), xpos);
int row = selection->activeSheet()->topRow(position.y(), ypos);
// Check boundaries.
if (col < 1 || col > KS_colMax || row < 1 || row > KS_rowMax) {
debugSheetsUI << "col or row is out of range:" << "col:" << col << " row:" << row;
return;
}
// Test whether mouse is over the Selection.handle
if (hitTestSelectionSizeGrip(tool()->canvas(), selection, position)) {
// If the cursor is over the handle, than it might be already on the next cell.
// Recalculate the cell position!
col = selection->activeSheet()->leftColumn(position.x() - tool()->canvas()->viewConverter()->viewToDocumentX(2.0), xpos);
row = selection->activeSheet()->topRow(position.y() - tool()->canvas()->viewConverter()->viewToDocumentY(2.0), ypos);
}
// Update the selection.
selection->update(QPoint(col, row));
tool()->repaintDecorations();
}
KUndo2Command* AbstractSelectionStrategy::createCommand()
{
return 0;
}
void AbstractSelectionStrategy::finishInteraction(Qt::KeyboardModifiers modifiers)
{
Q_UNUSED(modifiers)
tool()->repaintDecorations();
}
// static
bool AbstractSelectionStrategy::hitTestSelectionSizeGrip(KoCanvasBase *canvas,
Selection *selection,
const QPointF &position)
{
if (selection->referenceSelectionMode() || !selection->isValid()) {
return false;
}
// Define the (normal) selection size grip.
const qreal pixelX = canvas->viewConverter()->viewToDocumentX(1);
const qreal pixelY = canvas->viewConverter()->viewToDocumentY(1);
const QRectF gripArea(-2 * pixelX, -2 * pixelY, 5 * pixelX, 5 * pixelY);
Sheet *const sheet = selection->activeSheet();
int column, row;
if (selection->isColumnOrRowSelected()) {
// complete rows/columns are selected, use the marker.
const QPoint marker = selection->marker();
column = marker.x();
row = marker.y();
} else {
const QRect range = selection->lastRange();
column = range.right();
row = range.bottom();
}
const double xpos = sheet->columnPosition(column);
const double ypos = sheet->rowPosition(row);
const double width = sheet->columnFormat(column)->width();
const double height = sheet->rowFormats()->rowHeight(row);
return gripArea.translated(xpos + width, ypos + height).contains(position);
}
// static
bool AbstractSelectionStrategy::hitTestReferenceSizeGrip(KoCanvasBase *canvas,
Selection *selection,
const QPointF &position)
{
if (!selection->referenceSelectionMode() || !selection->isValid()) {
return false;
}
// Define the reference selection size grip.
const qreal pixelX = canvas->viewConverter()->viewToDocumentX(1);
const qreal pixelY = canvas->viewConverter()->viewToDocumentY(1);
const QRectF gripArea(-3 * pixelX, -3 * pixelY, 6 * pixelX, 6 * pixelY);
// Iterate over the referenced ranges.
const Region::ConstIterator end(selection->constEnd());
for (Region::ConstIterator it(selection->constBegin()); it != end; ++it) {
Sheet *const sheet = (*it)->sheet();
// Only check the ranges on the active sheet.
if (sheet != selection->activeSheet()) {
continue;
}
const QRect range = (*it)->rect();
const QRectF area = sheet->cellCoordinatesToDocument(range);
const QPointF corner(area.bottomRight());
if (gripArea.translated(corner).contains(position)) {
return true;
}
}
return false;
}
CellToolBase *AbstractSelectionStrategy::cellTool() const
{
return d->cellTool;
}
Selection* AbstractSelectionStrategy::selection() const
{
return d->cellTool->selection();
}
const QPointF& AbstractSelectionStrategy::startPosition() const
{
return d->start;
}
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