126 lines
3.1 KiB
C++
126 lines
3.1 KiB
C++
#include "ScreenSetupModel.h"
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#include "Screen.h"
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#include <QtCore>
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#include <QtGui>
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const QString ScreenSetupModel::m_MimeType = "application/x-qsynergy-screen";
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ScreenSetupModel::ScreenSetupModel(ScreenList& screens, int numColumns, int numRows) :
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QAbstractTableModel(NULL),
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m_Screens(screens),
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m_NumColumns(numColumns),
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m_NumRows(numRows)
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{
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if (m_NumColumns * m_NumRows > screens.size())
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qFatal("Not enough elements (%u) in screens QList for %d columns and %d rows", screens.size(), m_NumColumns, m_NumRows);
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}
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QVariant ScreenSetupModel::data(const QModelIndex& index, int role) const
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{
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if (index.isValid() && index.row() < m_NumRows && index.column() < m_NumColumns)
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{
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switch(role)
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{
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case Qt::DecorationRole:
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if (screen(index).isNull())
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break;
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return QIcon(*screen(index).pixmap());
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case Qt::ToolTipRole:
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if (screen(index).isNull())
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break;
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return QString(tr(
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"<center>Screen: <b>%1</b></center>"
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"<br>Double click to edit settings"
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"<br>Drag screen to the trashcan to remove it")).arg(screen(index).name());
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case Qt::DisplayRole:
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if (screen(index).isNull())
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break;
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return screen(index).name();
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}
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}
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return QVariant();
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}
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Qt::ItemFlags ScreenSetupModel::flags(const QModelIndex& index) const
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{
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if (!index.isValid() || index.row() >= m_NumRows || index.column() >= m_NumColumns)
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return 0;
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if (!screen(index).isNull())
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return Qt::ItemIsEnabled | Qt::ItemIsDragEnabled | Qt::ItemIsSelectable | Qt::ItemIsDropEnabled;
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return Qt::ItemIsDropEnabled;
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}
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Qt::DropActions ScreenSetupModel::supportedDropActions() const
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{
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return Qt::MoveAction | Qt::CopyAction;
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}
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QStringList ScreenSetupModel::mimeTypes() const
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{
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return QStringList() << m_MimeType;
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}
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QMimeData* ScreenSetupModel::mimeData(const QModelIndexList& indexes) const
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{
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QMimeData* pMimeData = new QMimeData();
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QByteArray encodedData;
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QDataStream stream(&encodedData, QIODevice::WriteOnly);
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foreach (const QModelIndex& index, indexes)
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if (index.isValid())
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stream << index.column() << index.row() << screen(index);
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pMimeData->setData(m_MimeType, encodedData);
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return pMimeData;
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}
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bool ScreenSetupModel::dropMimeData(const QMimeData* data, Qt::DropAction action, int row, int column, const QModelIndex& parent)
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{
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if (action == Qt::IgnoreAction)
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return true;
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if (!data->hasFormat(m_MimeType))
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return false;
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if (!parent.isValid() || row != -1 || column != -1)
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return false;
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QByteArray encodedData = data->data(m_MimeType);
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QDataStream stream(&encodedData, QIODevice::ReadOnly);
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int sourceColumn = -1;
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int sourceRow = -1;
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stream >> sourceColumn;
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stream >> sourceRow;
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// don't drop screen onto itself
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if (sourceColumn == parent.column() && sourceRow == parent.row())
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return false;
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Screen droppedScreen;
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stream >> droppedScreen;
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Screen oldScreen = screen(parent.column(), parent.row());
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if (!oldScreen.isNull() && sourceColumn != -1 && sourceRow != -1)
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{
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// mark the screen so it isn't deleted after the dragndrop succeeded
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// see ScreenSetupView::startDrag()
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oldScreen.setSwapped(true);
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screen(sourceColumn, sourceRow) = oldScreen;
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}
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screen(parent.column(), parent.row()) = droppedScreen;
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return true;
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}
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