X-Git-Url: https://cloud.milkyroute.net/gitweb/dolphin.git/blobdiff_plain/056d12d60f93a052e19f6e2cff9b826e500eef16..09a0a44a073cf6396f0a28dc3847d081c4dab24e:/src/kitemviews/kitemlistgroupheader.cpp diff --git a/src/kitemviews/kitemlistgroupheader.cpp b/src/kitemviews/kitemlistgroupheader.cpp index ffc81eb12..20cbc681f 100644 --- a/src/kitemviews/kitemlistgroupheader.cpp +++ b/src/kitemviews/kitemlistgroupheader.cpp @@ -1,45 +1,30 @@ -/*************************************************************************** - * Copyright (C) 2011 by Peter Penz * - * * - * 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 * - ***************************************************************************/ - -#include "kitemlistgroupheader.h" +/* + * SPDX-FileCopyrightText: 2011 Peter Penz + * + * Based on the Itemviews NG project from Trolltech Labs + * + * SPDX-License-Identifier: GPL-2.0-or-later + */ + +#include "kstandarditemlistgroupheader.h" #include "kitemlistview.h" #include #include #include -#include -KItemListGroupHeader::KItemListGroupHeader(QGraphicsWidget* parent) : - QGraphicsWidget(parent, 0), - m_dirtyCache(true), - m_role(), - m_data(), - m_styleOption(), - m_scrollOrientation(Qt::Vertical), - m_itemIndex(-1), - m_lineColor(), - 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; } @@ -122,73 +111,57 @@ 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(option); - Q_UNUSED(widget); + Q_UNUSED(painter) + Q_UNUSED(option) + Q_UNUSED(widget) if (m_dirtyCache) { updateCache(); } - if (m_scrollOrientation == Qt::Horizontal) { - painter->setPen(m_lineColor); - const qreal x = m_roleBounds.x() - m_styleOption.padding; - painter->drawLine(x, 0, x, size().height() - 1); - - } else if (m_itemIndex > 0) { - painter->setPen(m_lineColor); - const qreal y = m_roleBounds.y() - m_styleOption.padding; - painter->drawLine(0, y, size().width() - 1, y); - } -} - -QRectF KItemListGroupHeader::roleBounds() const -{ - return m_roleBounds; -} - -QColor KItemListGroupHeader::roleColor() const -{ - return m_roleColor; + paintSeparator(painter, m_separatorColor); + paintRole(painter, m_roleBounds, m_roleColor); } -void KItemListGroupHeader::roleChanged(const QByteArray& current, const QByteArray& previous) +void KItemListGroupHeader::roleChanged(const QByteArray ¤t, 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 ¤t, 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 ¤t, 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() @@ -197,38 +170,61 @@ void KItemListGroupHeader::updateCache() // Calculate the role- and line-color. No alphablending is used for // performance reasons. - const QColor c1 = m_styleOption.palette.text().color(); - const QColor c2 = m_styleOption.palette.base().color(); - m_lineColor = mixedColor(c1, c2, 10); - m_roleColor = mixedColor(c1, c2, 50); - - int horizontalMargin = 0; - if (m_scrollOrientation == Qt::Vertical) { - // The x-position of the group-header-widget will always be 0, - // Add a minimum margin. - horizontalMargin = qMax(2, m_styleOption.horizontalMargin); - } + const QColor c1 = textColor(); + const QColor c2 = baseColor(); + 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); - const int padding = qMax(2, m_styleOption.padding); const QFontMetrics fontMetrics(m_styleOption.font); const qreal roleHeight = fontMetrics.height(); - m_roleBounds = QRectF(horizontalMargin + padding, - size().height() - roleHeight - padding, - size().width() - 2 * (horizontalMargin + padding), - roleHeight); + const int y = (m_scrollOrientation == Qt::Vertical) ? padding : horizontalMargin; - m_dirtyCache = false; + m_roleBounds = QRectF(horizontalMargin + padding, y, size().width() - 2 * (padding + horizontalMargin), roleHeight); + + 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 +{ + return QPalette::Text; +} + +QPalette::ColorRole KItemListGroupHeader::normalBaseColorRole() const +{ + return QPalette::Window; +} + +QColor KItemListGroupHeader::textColor() const +{ + const QPalette::ColorGroup group = isActiveWindow() ? QPalette::Active : QPalette::Inactive; + return styleOption().palette.color(group, normalTextColorRole()); +} + +QColor KItemListGroupHeader::baseColor() const +{ + const QPalette::ColorGroup group = isActiveWindow() ? QPalette::Active : QPalette::Inactive; + return styleOption().palette.color(group, normalBaseColorRole()); } -#include "kitemlistgroupheader.moc" +#include "moc_kitemlistgroupheader.cpp"