GIT_SILENT Update Appstream for new release

[dolphin.git] / src / kitemviews / kitemlistgroupheader.cpp

diff --git a/src/kitemviews/kitemlistgroupheader.cpp b/src/kitemviews/kitemlistgroupheader.cpp
index accaf9ecff3d1684d97e367ba4acc60fe5e9ec62..20cbc681f12f4c8a29e78dc39010fb82cc45d775 100644 (file)
--- a/src/kitemviews/kitemlistgroupheader.cpp
+++ b/src/kitemviews/kitemlistgroupheader.cpp
@@ -1,24 +1,10 @@
-/***************************************************************************
- *   Copyright (C) 2011 by Peter Penz <peter.penz19@gmail.com>             *
- *                                                                         *
- *   Based on the Itemviews NG project from Trolltech Labs:                *
- *   http://qt.gitorious.org/qt-labs/itemviews-ng                          *
- *                                                                         *
- *   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>
+ *
+ * Based on the Itemviews NG project from Trolltech Labs
+ *
+ * SPDX-License-Identifier: GPL-2.0-or-later
+ */
 
 #include "kstandarditemlistgroupheader.h"
 
@@ -27,19 +13,18 @@
 #include <QGraphicsSceneResizeEvent>
 #include <QPainter>
 #include <QStyleOptionGraphicsItem>
-#include <KDebug>
 
-KItemListGroupHeader::KItemListGroupHeader(QGraphicsWidget* parent) :
-    QGraphicsWidget(parent, 0),
-    m_dirtyCache(true),
-    m_role(),
-    m_data(),
-    m_styleOption(),
-    m_scrollOrientation(Qt::Vertical),
-    m_itemIndex(-1),
-    m_separatorColor(),
-    m_roleColor(),
-    m_roleBounds()
+KItemListGroupHeader::KItemListGroupHeader(QGraphicsWidget *parent)
+    : QGraphicsWidget(parent)
+    , m_dirtyCache(true)
+    , m_role()
+    , m_data()
+    , m_styleOption()
+    , m_scrollOrientation(Qt::Vertical)
+    , m_itemIndex(-1)
+    , m_separatorColor()
+    , m_roleColor()
+    , m_roleBounds()
 {
 }
 
@@ -47,7 +32,7 @@ KItemListGroupHeader::~KItemListGroupHeader()
 {
 }
 
-void KItemListGroupHeader::setRole(const QByteArray& role)
+void KItemListGroupHeader::setRole(const QByteArray &role)
 {
     if (m_role != role) {
         const QByteArray previous = m_role;
@@ -62,7 +47,7 @@ QByteArray KItemListGroupHeader::role() const
     return m_role;
 }
 
-void KItemListGroupHeader::setData(const QVariant& data)
+void KItemListGroupHeader::setData(const QVariant &data)
 {
     if (m_data != data) {
         const QVariant previous = m_data;
@@ -77,15 +62,19 @@ QVariant KItemListGroupHeader::data() const
     return m_data;
 }
 
-void KItemListGroupHeader::setStyleOption(const KItemListStyleOption& option)
+void KItemListGroupHeader::setStyleOption(const KItemListStyleOption &option)
 {
+    if (m_styleOption == option) {
+        return;
+    }
+
     const KItemListStyleOption previous = m_styleOption;
     m_styleOption = option;
     m_dirtyCache = true;
     styleOptionChanged(option, previous);
 }
 
-const KItemListStyleOption& KItemListGroupHeader::styleOption() const
+const KItemListStyleOption &KItemListGroupHeader::styleOption() const
 {
     return m_styleOption;
 }
@@ -122,11 +111,11 @@ Qt::Orientation KItemListGroupHeader::scrollOrientation() const
     return m_scrollOrientation;
 }
 
-void KItemListGroupHeader::paint(QPainter* painter, const QStyleOptionGraphicsItem* option, QWidget* widget)
+void KItemListGroupHeader::paint(QPainter *painter, const QStyleOptionGraphicsItem *option, QWidget *widget)
 {
-    Q_UNUSED(painter);
-    Q_UNUSED(option);
-    Q_UNUSED(widget);
+    Q_UNUSED(painter)
+    Q_UNUSED(option)
+    Q_UNUSED(widget)
 
     if (m_dirtyCache) {
         updateCache();
@@ -136,42 +125,43 @@ void KItemListGroupHeader::paint(QPainter* painter, const QStyleOptionGraphicsIt
     paintRole(painter, m_roleBounds, m_roleColor);
 }
 
-void KItemListGroupHeader::roleChanged(const QByteArray& current, const QByteArray& previous)
+void KItemListGroupHeader::roleChanged(const QByteArray &current, const QByteArray &previous)
 {
-    Q_UNUSED(current);
-    Q_UNUSED(previous);
+    Q_UNUSED(current)
+    Q_UNUSED(previous)
 }
 
-void KItemListGroupHeader::dataChanged(const QVariant& current, const QVariant& previous)
+void KItemListGroupHeader::dataChanged(const QVariant &current, const QVariant &previous)
 {
-    Q_UNUSED(current);
-    Q_UNUSED(previous);
+    Q_UNUSED(current)
+    Q_UNUSED(previous)
 }
 
-void KItemListGroupHeader::styleOptionChanged(const KItemListStyleOption& current, const KItemListStyleOption& previous)
+void KItemListGroupHeader::styleOptionChanged(const KItemListStyleOption &current, const KItemListStyleOption &previous)
 {
-    Q_UNUSED(current);
-    Q_UNUSED(previous);
+    Q_UNUSED(current)
+    Q_UNUSED(previous)
 }
 
 void KItemListGroupHeader::scrollOrientationChanged(Qt::Orientation current, Qt::Orientation previous)
 {
-    Q_UNUSED(current);
-    Q_UNUSED(previous);
+    Q_UNUSED(current)
+    Q_UNUSED(previous)
 }
 
 void KItemListGroupHeader::itemIndexChanged(int current, int previous)
 {
-    Q_UNUSED(current);
-    Q_UNUSED(previous);
+    Q_UNUSED(current)
+    Q_UNUSED(previous)
 }
 
-void KItemListGroupHeader::resizeEvent(QGraphicsSceneResizeEvent* event)
+void KItemListGroupHeader::resizeEvent(QGraphicsSceneResizeEvent *event)
 {
     QGraphicsWidget::resizeEvent(event);
     if (event->oldSize().height() != event->newSize().height()) {
         m_dirtyCache = true;
     }
+    updateSize();
 }
 
 void KItemListGroupHeader::updateCache()
@@ -185,6 +175,13 @@ void KItemListGroupHeader::updateCache()
     m_separatorColor = mixedColor(c1, c2, 10);
     m_roleColor = mixedColor(c1, c2, 60);
 
+    updateSize();
+
+    m_dirtyCache = false;
+}
+
+void KItemListGroupHeader::updateSize()
+{
     const int padding = qMax(1, m_styleOption.padding);
     const int horizontalMargin = qMax(2, m_styleOption.horizontalMargin);
 
@@ -193,22 +190,19 @@ void KItemListGroupHeader::updateCache()
 
     const int y = (m_scrollOrientation == Qt::Vertical) ? padding : horizontalMargin;
 
-    m_roleBounds = QRectF(horizontalMargin + padding,
-                          y,
-                          size().width() - 2 * padding - horizontalMargin,
-                          roleHeight);
+    m_roleBounds = QRectF(horizontalMargin + padding, y, size().width() - 2 * (padding + horizontalMargin), roleHeight);
 
-    m_dirtyCache = false;
+    update();
 }
 
-QColor KItemListGroupHeader::mixedColor(const QColor& c1, const QColor& c2, int c1Percent)
+QColor KItemListGroupHeader::mixedColor(const QColor &c1, const QColor &c2, int c1Percent)
 {
     Q_ASSERT(c1Percent >= 0 && c1Percent <= 100);
 
     const int c2Percent = 100 - c1Percent;
-    return QColor((c1.red()   * c1Percent + c2.red()   * c2Percent) / 100,
+    return QColor((c1.red() * c1Percent + c2.red() * c2Percent) / 100,
                   (c1.green() * c1Percent + c2.green() * c2Percent) / 100,
-                  (c1.blue()  * c1Percent + c2.blue()  * c2Percent) / 100);
+                  (c1.blue() * c1Percent + c2.blue() * c2Percent) / 100);
 }
 
 QPalette::ColorRole KItemListGroupHeader::normalTextColorRole() const
@@ -233,3 +227,4 @@ QColor KItemListGroupHeader::baseColor() const
     return styleOption().palette.color(group, normalBaseColorRole());
 }
 
+#include "moc_kitemlistgroupheader.cpp"