125 lines
3.8 KiB
C++
125 lines
3.8 KiB
C++
/*
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Copyright (C) 2017 Srivats P.
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This file is part of "Ostinato"
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This is free software: you can redistribute it and/or modify
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it under the terms of the GNU General Public License as published by
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the Free Software Foundation, either version 3 of the License, or
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(at your option) any later version.
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This program is distributed in the hope that it will be useful,
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but WITHOUT ANY WARRANTY; without even the implied warranty of
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MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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GNU General Public License for more details.
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You should have received a copy of the GNU General Public License
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along with this program. If not, see <http://www.gnu.org/licenses/>
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*/
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#ifndef _X_TABLE_VIEW_H
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#define _X_TABLE_VIEW_H
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#include <QTableView>
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#include <QClipboard>
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#include <QKeyEvent>
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#include <QMimeData>
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#include <QPainter>
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class XTableView : public QTableView
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{
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public:
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XTableView(QWidget *parent) : QTableView(parent) {}
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virtual ~XTableView() {}
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protected:
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virtual void paintEvent(QPaintEvent *event)
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{
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if (!model()->hasChildren()) {
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QPainter painter(viewport());
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style()->drawItemText(&painter, viewport()->rect(),
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layoutDirection() | Qt::AlignCenter, palette(),
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true, whatsThis(), QPalette::WindowText);
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}
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else
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QTableView::paintEvent(event);
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}
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virtual void keyPressEvent(QKeyEvent *event)
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{
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if (event->matches(QKeySequence::Cut)) {
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cut();
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} else if (event->matches(QKeySequence::Copy)) {
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copy();
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} else if (event->matches(QKeySequence::Paste)) {
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paste();
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} else
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QTableView::keyPressEvent(event);
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}
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private:
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void cut()
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{
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copy();
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foreach(QItemSelectionRange range, selectionModel()->selection())
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model()->removeRows(range.top(), range.height());
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}
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void copy()
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{
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// Copy selection to clipboard (base class copies only current item)
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// Selection, by default, is in the order in which items were selected
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// - sort them before copying
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QModelIndexList selected = selectionModel()->selectedIndexes();
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if (selected.isEmpty())
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return;
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std::sort(selected.begin(), selected.end());
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QMimeData *mimeData = model()->mimeData(selected);
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qApp->clipboard()->setMimeData(mimeData);
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qDebug("Copied data in %d format(s) to clipboard",
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mimeData->formats().size());
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for (int i = 0; i < mimeData->formats().size(); i++) {
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qDebug(" %d: %s, %d bytes", i+1,
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qPrintable(mimeData->formats().at(i)),
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mimeData->data(mimeData->formats().at(i)).size());
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}
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}
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void paste()
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{
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const QMimeData *mimeData = qApp->clipboard()->mimeData();
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if (!mimeData)
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return;
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if (selectionModel()->hasSelection()
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&& selectionModel()->selection().size() > 1) {
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qWarning("Cannot paste into multiple(%d) selections",
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selectionModel()->selection().size());
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return;
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}
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// If no selection, insert at the end
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int row, column;
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if (selectionModel()->hasSelection()
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&& selectionModel()->selection().size() == 1) {
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row = selectionModel()->selection().first().top();
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column = selectionModel()->selection().first().left();
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} else {
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row = model()->rowCount();
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column = model()->columnCount();
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}
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if (model()->canDropMimeData(mimeData, Qt::CopyAction,
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row, column, QModelIndex()))
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model()->dropMimeData(mimeData, Qt::CopyAction,
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row, column, QModelIndex());
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}
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};
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#endif
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