X-Git-Url: https://cloud.milkyroute.net/gitweb/dolphin.git/blobdiff_plain/6c3d9acbc22ea9463ba40ef84c9e8c8419dfacf3..1e5bc5b3d6ba344da09369802d822f6cd6da7c4c:/src/kitemviews/private/kitemlistselectiontoggle.cpp

diff --git a/src/kitemviews/private/kitemlistselectiontoggle.cpp b/src/kitemviews/private/kitemlistselectiontoggle.cpp
index 66da6a727..df61b3073 100644
--- a/src/kitemviews/private/kitemlistselectiontoggle.cpp
+++ b/src/kitemviews/private/kitemlistselectiontoggle.cpp
@@ -1,36 +1,21 @@
-/***************************************************************************
- *   Copyright (C) 2011 by Peter Penz <peter.penz19@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.                                   *
- *                                                                         *
- *   This program 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 General Public License for more details.                          *
- *                                                                         *
- *   You should have received a copy of the GNU General Public License     *
- *   along with this program; if not, write to the                         *
- *   Free Software Foundation, Inc.,                                       *
- *   51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA            *
- ***************************************************************************/
+/*
+ * SPDX-FileCopyrightText: 2011 Peter Penz <peter.penz19@gmail.com>
+ *
+ * SPDX-License-Identifier: GPL-2.0-or-later
+ */
 
 #include "kitemlistselectiontoggle.h"
 
-#include <KIconEffect>
 #include <KIconLoader>
-#include <QPainter>
 
-#include <KDebug>
+#include <QIcon>
+#include <QPainter>
 
-KItemListSelectionToggle::KItemListSelectionToggle(QGraphicsItem* parent) :
-    QGraphicsWidget(parent, 0),
-    m_checked(false),
-    m_hovered(false)
+KItemListSelectionToggle::KItemListSelectionToggle(QGraphicsItem *parent)
+    : QGraphicsWidget(parent)
+    , m_checked(false)
+    , m_hovered(false)
 {
-    setAcceptHoverEvents(true);
 }
 
 KItemListSelectionToggle::~KItemListSelectionToggle()
@@ -51,56 +36,68 @@ bool KItemListSelectionToggle::isChecked() const
     return m_checked;
 }
 
-void KItemListSelectionToggle::paint(QPainter* painter, const QStyleOptionGraphicsItem* option, QWidget* widget)
+void KItemListSelectionToggle::setHovered(bool hovered)
+{
+    if (m_hovered != hovered) {
+        m_hovered = hovered;
+        m_pixmap = QPixmap();
+        update();
+    }
+}
+
+void KItemListSelectionToggle::paint(QPainter *painter, const QStyleOptionGraphicsItem *option, QWidget *widget)
 {
-    Q_UNUSED(option);
-    Q_UNUSED(widget);
+    Q_UNUSED(option)
+    Q_UNUSED(widget)
 
     if (m_pixmap.isNull()) {
         updatePixmap();
     }
 
-    const qreal x = (size().width()  - qreal(m_pixmap.width()))  / 2;
-    const qreal y = (size().height() - qreal(m_pixmap.height())) / 2;
+    const qreal x = (size().width() - qreal(m_pixmap.width() / m_pixmap.devicePixelRatioF())) / 2;
+    const qreal y = (size().height() - qreal(m_pixmap.height() / m_pixmap.devicePixelRatioF())) / 2;
     painter->drawPixmap(x, y, m_pixmap);
 }
 
-void KItemListSelectionToggle::hoverEnterEvent(QGraphicsSceneHoverEvent* event)
+void KItemListSelectionToggle::resizeEvent(QGraphicsSceneResizeEvent *event)
 {
-    QGraphicsWidget::hoverEnterEvent(event);
-    m_hovered = true;
-    m_pixmap = QPixmap();
+    QGraphicsWidget::resizeEvent(event);
+
+    if (!m_pixmap.isNull()) {
+        const int pixmapSize = m_pixmap.size().width() / m_pixmap.devicePixelRatioF(); // Pixmap width is always equal pixmap height
+
+        if (pixmapSize != iconSize()) {
+            // If the required icon size is different from the actual pixmap size,
+            // overwrite the m_pixmap with an empty pixmap and reload the new
+            // icon on next re-painting.
+            m_pixmap = QPixmap();
+        }
+    }
 }
 
-void KItemListSelectionToggle::hoverLeaveEvent(QGraphicsSceneHoverEvent* event)
+void KItemListSelectionToggle::updatePixmap()
 {
-    QGraphicsWidget::hoverLeaveEvent(event);
-    m_hovered = false;
-    m_pixmap = QPixmap();
+    const QString icon = m_checked ? QStringLiteral("emblem-remove") : QStringLiteral("emblem-added");
+    m_pixmap = QIcon::fromTheme(icon).pixmap(iconSize(), m_hovered ? QIcon::Active : QIcon::Disabled);
 }
 
-void KItemListSelectionToggle::updatePixmap()
+int KItemListSelectionToggle::iconSize() const
 {
-    const char* icon = m_checked ? "list-remove" : "list-add";
+    const int iconSize = qMin(size().width(), size().height());
 
-    int iconSize = qMin(size().width(), size().height());
     if (iconSize < KIconLoader::SizeSmallMedium) {
-        iconSize = KIconLoader::SizeSmall;
+        return KIconLoader::SizeSmall;
     } else if (iconSize < KIconLoader::SizeMedium) {
-        iconSize = KIconLoader::SizeSmallMedium;
+        return KIconLoader::SizeSmallMedium;
     } else if (iconSize < KIconLoader::SizeLarge) {
-        iconSize = KIconLoader::SizeMedium;
+        return KIconLoader::SizeMedium;
     } else if (iconSize < KIconLoader::SizeHuge) {
-        iconSize = KIconLoader::SizeLarge;
+        return KIconLoader::SizeLarge;
     } else if (iconSize < KIconLoader::SizeEnormous) {
-        iconSize = KIconLoader::SizeHuge;
+        return KIconLoader::SizeHuge;
     }
 
-    m_pixmap = KIconLoader::global()->loadIcon(QLatin1String(icon), KIconLoader::NoGroup, iconSize);
-
-    if (m_hovered) {
-        KIconLoader::global()->iconEffect()->apply(m_pixmap, KIconLoader::Desktop, KIconLoader::ActiveState);
-    }
+    return iconSize;
 }
 
-#include "kitemlistselectiontoggle.moc"
+#include "moc_kitemlistselectiontoggle.cpp"