File indexing completed on 2024-04-21 04:32:08

 /*
  * Copyright (C) 2010-2015 by Stephen Allewell
  * steve.allewell@gmail.com
  *
  * 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.
  */
 
 #include "LibraryListWidget.h"
 
 #include <QApplication>
 #include <QBitmap>
 #include <QDrag>
 #include <QMimeData>
 #include <QMouseEvent>
 #include <QPainter>
 
 #include "LibraryListWidgetItem.h"
 #include "LibraryPattern.h"
 #include "Pattern.h"
 
 LibraryListWidget::LibraryListWidget(QWidget *parent)
     : QListWidget(parent)
 {
     m_renderer.setRenderStitchesAs(Configuration::EnumRenderer_RenderStitchesAs::Stitches);
     m_renderer.setRenderBackstitchesAs(Configuration::EnumRenderer_RenderBackstitchesAs::ColorLines);
     m_renderer.setRenderKnotsAs(Configuration::EnumRenderer_RenderKnotsAs::ColorBlocks);
 }
 
 void LibraryListWidget::setCellSize(double cellWidth, double cellHeight)
 {
     m_cellWidth = cellWidth;
     m_cellHeight = cellHeight;
 }
 
 void LibraryListWidget::changeIconSize(int size)
 {
     setIconSize(QSize(size, size));
     setGridSize(QSize(size + 10, size + 20));
 }
 
 void LibraryListWidget::dragEnterEvent(QDragEnterEvent *)
 {
 }
 
 void LibraryListWidget::dragMoveEvent(QDragMoveEvent *)
 {
 }
 
 void LibraryListWidget::dragLeaveEvent(QDragLeaveEvent *)
 {
 }
 
 void LibraryListWidget::mousePressEvent(QMouseEvent *e)
 {
     m_startDrag = e->pos();
     LibraryListWidgetItem *item = static_cast<LibraryListWidgetItem *>(itemAt(m_startDrag));
 
     if (item && (e->button() == Qt::LeftButton)) {
         e->accept();
     } else {
         e->ignore();
     }
 }
 
 void LibraryListWidget::mouseMoveEvent(QMouseEvent *e)
 {
     if ((e->pos() - m_startDrag).manhattanLength() > QApplication::startDragDistance()) {
         LibraryListWidgetItem *item = static_cast<LibraryListWidgetItem *>(itemAt(m_startDrag));
 
         if (item && (e->buttons() & Qt::LeftButton)) {
             QByteArray data;
             QDataStream stream(&data, QIODevice::WriteOnly);
             Pattern *pattern = item->libraryPattern()->pattern();
             stream << *pattern;
             QMimeData *mimeData = new QMimeData();
             mimeData->setData(QStringLiteral("application/kxstitch"), data);
 
             QPixmap pixmap(pattern->stitches().width() * m_cellWidth, pattern->stitches().height() * m_cellHeight);
             pixmap.fill(Qt::white);
 
             QPainter painter(&pixmap);
             painter.setWindow(0, 0, pattern->stitches().width(), pattern->stitches().height());
             painter.setRenderHint(QPainter::Antialiasing, true);
 
             m_renderer.render(&painter,
                               pattern,
                               painter.window(),
                               false, // render grid
                               true, // render stitches
                               true, // render backstitches
                               true, // render knots
                               -1); // no color mask
 
             painter.end();
             pixmap.setMask(pixmap.createMaskFromColor(Qt::white));
 
             QDrag *drag = new QDrag(this);
             drag->setMimeData(mimeData);
             drag->setPixmap(pixmap);
             drag->setHotSpot(QPoint(m_cellWidth / 2, m_cellHeight / 2));
             drag->exec(Qt::CopyAction);
 
             e->accept();
         }
     } else {
         e->ignore();
     }
 }