X-Git-Url: https://cloud.milkyroute.net/gitweb/dolphin.git/blobdiff_plain/03415d90783979f8e51880b7950721985fee29bf..8fda69892284144a8aea3845d2aad844021c99d2:/src/kitemviews/kitemlistgroupheader.cpp diff --git a/src/kitemviews/kitemlistgroupheader.cpp b/src/kitemviews/kitemlistgroupheader.cpp index 03964e2b5..f0ff52503 100644 --- a/src/kitemviews/kitemlistgroupheader.cpp +++ b/src/kitemviews/kitemlistgroupheader.cpp @@ -1,41 +1,28 @@ -/*************************************************************************** - * 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), + QGraphicsWidget(parent), m_dirtyCache(true), m_role(), m_data(), m_styleOption(), m_scrollOrientation(Qt::Vertical), + m_itemIndex(-1), + m_separatorColor(), m_roleColor(), m_roleBounds() { @@ -77,6 +64,10 @@ QVariant KItemListGroupHeader::data() const void KItemListGroupHeader::setStyleOption(const KItemListStyleOption& option) { + if (m_styleOption == option) { + return; + } + const KItemListStyleOption previous = m_styleOption; m_styleOption = option; m_dirtyCache = true; @@ -100,6 +91,21 @@ void KItemListGroupHeader::setScrollOrientation(Qt::Orientation orientation) } } +void KItemListGroupHeader::setItemIndex(int index) +{ + if (m_itemIndex != index) { + const int previous = m_itemIndex; + m_itemIndex = index; + m_dirtyCache = true; + itemIndexChanged(m_itemIndex, previous); + } +} + +int KItemListGroupHeader::itemIndex() const +{ + return m_itemIndex; +} + Qt::Orientation KItemListGroupHeader::scrollOrientation() const { return m_scrollOrientation; @@ -107,52 +113,46 @@ Qt::Orientation KItemListGroupHeader::scrollOrientation() const 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_roleColor); - 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) { - Q_UNUSED(current); - Q_UNUSED(previous); + Q_UNUSED(current) + Q_UNUSED(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) { - 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) } void KItemListGroupHeader::resizeEvent(QGraphicsSceneResizeEvent* event) @@ -161,32 +161,72 @@ void KItemListGroupHeader::resizeEvent(QGraphicsSceneResizeEvent* event) if (event->oldSize().height() != event->newSize().height()) { m_dirtyCache = true; } + updateSize(); } void KItemListGroupHeader::updateCache() { Q_ASSERT(m_dirtyCache); - // Calculate the outline color. No alphablending is used for + // 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.background().color(); - const int p1 = 35; - const int p2 = 100 - p1; - m_roleColor = QColor((c1.red() * p1 + c2.red() * p2) / 100, - (c1.green() * p1 + c2.green() * p2) / 100, - (c1.blue() * p1 + c2.blue() * p2) / 100); - - const int padding = m_styleOption.padding; + 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 QFontMetrics fontMetrics(m_styleOption.font); const qreal roleHeight = fontMetrics.height(); - m_roleBounds = QRectF(padding, - size().height() - roleHeight - padding, - size().width() - 2 * padding, + const int y = (m_scrollOrientation == Qt::Vertical) ? padding : horizontalMargin; + + 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) +{ + Q_ASSERT(c1Percent >= 0 && c1Percent <= 100); + + const int c2Percent = 100 - c1Percent; + return QColor((c1.red() * c1Percent + c2.red() * c2Percent) / 100, + (c1.green() * c1Percent + c2.green() * 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"