File indexing completed on 2022-12-06 18:50:28

0001 /*
0002     SPDX-License-Identifier: GPL-2.0-or-later
0003     SPDX-FileCopyrightText: 2020 Sirgienko Nikita <warquark@gmail.com>
0004 */
0005 
0006 #include "worksheetcontrolitem.h"
0007 #include "worksheet.h"
0008 #include "worksheetentry.h"
0009 
0010 #include <QApplication>
0011 #include <QGraphicsSceneMouseEvent>
0012 #include <QPainter>
0013 
0014 #include <KColorScheme>
0015 
0016 WorksheetControlItem::WorksheetControlItem(Worksheet* worksheet, WorksheetEntry* parent) : QGraphicsRectItem(parent),
0017     m_worksheet(worksheet)
0018 {
0019     setAcceptDrops(true);
0020     setAcceptHoverEvents(true);
0021     setFlags(flags() | QGraphicsItem::ItemIsMovable | QGraphicsItem::ItemIsFocusable);
0022 }
0023 
0024 void WorksheetControlItem::paint(QPainter* painter, const QStyleOptionGraphicsItem* option, QWidget* widget)
0025 {
0026     Q_UNUSED(option);
0027     Q_UNUSED(widget);
0028 
0029     if (m_worksheet->isPrinting())
0030         return;
0031 
0032     painter->setViewTransformEnabled(true);
0033 
0034     if (m_isHovered)
0035         painter->setPen(QPen(QApplication::palette().color(QPalette::Text), 2));
0036     else
0037         painter->setPen(QPen(QApplication::palette().color(QPalette::Text), 1));
0038 
0039     qreal x = rect().x();
0040     qreal y = rect().y();
0041     qreal w = rect().width();
0042     qreal h = rect().height();
0043 
0044     painter->drawLine(x, y, x+w, y);
0045     painter->drawLine(x+w, y, x+w, y+h);
0046     painter->drawLine(x, y+h, x+w, y+h);
0047 
0048     //For collabsable entries draw "collapsing triangle" (form will depends from collapse's state)
0049     if (isCollapsable)
0050     {
0051         if (isCollapsed)
0052         {
0053             QBrush brush = painter->brush();
0054             brush.setStyle(Qt::SolidPattern);
0055             brush.setColor(QApplication::palette().color(QPalette::Text));
0056             painter->setBrush(brush);
0057 
0058             QPolygon triangle;
0059             triangle << QPoint(x, y) << QPoint(x+w, y) << QPoint(x+w, y+w);
0060 
0061             painter->drawPolygon(triangle);
0062         }
0063         else
0064             painter->drawLine(x, y, x+w, y+w);
0065     }
0066 
0067     if (isSelected)
0068     {
0069         //Use theme colour for selection, but with transparent
0070         QColor color = QApplication::palette().color(QPalette::Highlight);
0071         color.setAlpha(192);
0072 
0073         painter->fillRect(rect(), color);
0074     }
0075 }
0076 
0077 void WorksheetControlItem::mouseDoubleClickEvent(QGraphicsSceneMouseEvent* event)
0078 {
0079     emit doubleClick();
0080     QGraphicsItem::mouseDoubleClickEvent(event);
0081 }
0082 
0083 void WorksheetControlItem::mouseMoveEvent(QGraphicsSceneMouseEvent* event)
0084 {
0085     if (event->buttons() != Qt::LeftButton)
0086         return;
0087 
0088     const QPointF buttonDownPos = event->buttonDownPos(Qt::LeftButton);
0089     if (contains(buttonDownPos) && (event->pos() - buttonDownPos).manhattanLength() >= QApplication::startDragDistance())
0090     {
0091         ungrabMouse();
0092         emit drag(mapToParent(buttonDownPos), mapToParent(event->pos()));
0093         event->accept();
0094     }
0095 }
0096 
0097 void WorksheetControlItem::hoverEnterEvent(QGraphicsSceneHoverEvent* event)
0098 {
0099     Q_UNUSED(event);
0100     m_isHovered = true;
0101     update();
0102 }
0103 
0104 void WorksheetControlItem::hoverLeaveEvent(QGraphicsSceneHoverEvent* event)
0105 {
0106     Q_UNUSED(event);
0107     m_isHovered = false;
0108     update();
0109 }