X-Git-Url: https://cloud.milkyroute.net/gitweb/dolphin.git/blobdiff_plain/82b56ca6fd8831a896d1f6584b3a7dc0df6a8f85..b7ad5fb99d32d43fe4e083a8ffc2ebfbd046d2db:/src/kitemviews/kitemlistgroupheader.cpp diff --git a/src/kitemviews/kitemlistgroupheader.cpp b/src/kitemviews/kitemlistgroupheader.cpp index 0cc04dc25..f8576b08c 100644 --- a/src/kitemviews/kitemlistgroupheader.cpp +++ b/src/kitemviews/kitemlistgroupheader.cpp @@ -20,14 +20,13 @@ * 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA * ***************************************************************************/ -#include "kitemlistgroupheader.h" +#include "kstandarditemlistgroupheader.h" #include "kitemlistview.h" #include #include #include -#include KItemListGroupHeader::KItemListGroupHeader(QGraphicsWidget* parent) : QGraphicsWidget(parent, 0), @@ -36,16 +35,15 @@ KItemListGroupHeader::KItemListGroupHeader(QGraphicsWidget* parent) : m_data(), m_styleOption(), m_scrollOrientation(Qt::Vertical), - m_leftBorderCache(0), - m_rightBorderCache(0), - m_outlineColor() + m_itemIndex(-1), + m_separatorColor(), + m_roleColor(), + m_roleBounds() { } KItemListGroupHeader::~KItemListGroupHeader() { - delete m_leftBorderCache; - delete m_rightBorderCache; } void KItemListGroupHeader::setRole(const QByteArray& role) @@ -96,11 +94,28 @@ void KItemListGroupHeader::setScrollOrientation(Qt::Orientation orientation) if (m_scrollOrientation != orientation) { const Qt::Orientation previous = m_scrollOrientation; m_scrollOrientation = orientation; - m_dirtyCache = true; + if (orientation == Qt::Vertical) { + m_dirtyCache = true; + } scrollOrientationChanged(orientation, previous); } } +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; @@ -108,21 +123,16 @@ Qt::Orientation KItemListGroupHeader::scrollOrientation() const void KItemListGroupHeader::paint(QPainter* painter, const QStyleOptionGraphicsItem* option, QWidget* widget) { - if (m_dirtyCache) { - updateCache(); - } - + Q_UNUSED(painter); Q_UNUSED(option); Q_UNUSED(widget); - const int leftBorderX = m_leftBorderCache->width() + 1; - const int rightBorderX = size().width() - m_rightBorderCache->width() - 2; - - painter->setPen(m_outlineColor); - painter->drawLine(leftBorderX, 1, rightBorderX, 1); + if (m_dirtyCache) { + updateCache(); + } - painter->drawPixmap(1, 1, *m_leftBorderCache); - painter->drawPixmap(rightBorderX, 1, *m_rightBorderCache); + paintSeparator(painter, m_separatorColor); + paintRole(painter, m_roleBounds, m_roleColor); } void KItemListGroupHeader::roleChanged(const QByteArray& current, const QByteArray& previous) @@ -149,6 +159,12 @@ void KItemListGroupHeader::scrollOrientationChanged(Qt::Orientation current, Qt: Q_UNUSED(previous); } +void KItemListGroupHeader::itemIndexChanged(int current, int previous) +{ + Q_UNUSED(current); + Q_UNUSED(previous); +} + void KItemListGroupHeader::resizeEvent(QGraphicsSceneResizeEvent* event) { QGraphicsWidget::resizeEvent(event); @@ -161,82 +177,58 @@ void KItemListGroupHeader::updateCache() { Q_ASSERT(m_dirtyCache); - delete m_leftBorderCache; - delete m_rightBorderCache; + // Calculate the role- and line-color. No alphablending is used for + // performance reasons. + const QColor c1 = textColor(); + const QColor c2 = baseColor(); + m_separatorColor = mixedColor(c1, c2, 10); + m_roleColor = mixedColor(c1, c2, 60); - const int length = qMax(int(size().height() - 1), 1); - m_leftBorderCache = new QPixmap(length, length); - m_leftBorderCache->fill(Qt::transparent); + const int padding = qMax(1, m_styleOption.padding); + const int horizontalMargin = qMax(2, m_styleOption.horizontalMargin); - m_rightBorderCache = new QPixmap(length, length); - m_rightBorderCache->fill(Qt::transparent); + const QFontMetrics fontMetrics(m_styleOption.font); + const qreal roleHeight = fontMetrics.height(); - // Calculate the outline 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_outlineColor = QColor((c1.red() * p1 + c2.red() * p2) / 100, - (c1.green() * p1 + c2.green() * p2) / 100, - (c1.blue() * p1 + c2.blue() * p2) / 100); - - // The drawing code is based on the code of DolphinCategoryDrawer from Dolphin 1.7 - // Copyright (C) 2007 Rafael Fernández López - { - // Cache the left border as pixmap - QPainter painter(m_leftBorderCache); - painter.setPen(m_outlineColor); - - // 1. Draw top horizontal line - painter.drawLine(3, 0, length, 0); - - // 2. Draw vertical line with gradient - const QPoint start(0, 3); - QLinearGradient gradient(start, QPoint(0, length)); - gradient.setColorAt(0, m_outlineColor); - gradient.setColorAt(1, Qt::transparent); - painter.fillRect(QRect(start, QSize(1, length - start.y())), gradient); - - // 3. Draw arc - painter.setRenderHint(QPainter::Antialiasing); - QRectF arc(QPointF(0, 0), QSizeF(4, 4)); - arc.translate(0.5, 0.5); - painter.drawArc(arc, 1440, 1440); - } + const int y = (m_scrollOrientation == Qt::Vertical) ? padding : horizontalMargin; - { - // Cache the right border as pixmap - QPainter painter(m_rightBorderCache); - painter.setPen(m_outlineColor); - - const int right = length - 1; - if (m_scrollOrientation == Qt::Vertical) { - // 1. Draw top horizontal line - painter.drawLine(0, 0, length - 3, 0); - - // 2. Draw vertical line with gradient - const QPoint start(right, 3); - QLinearGradient gradient(start, QPoint(right, length)); - gradient.setColorAt(0, m_outlineColor); - gradient.setColorAt(1, Qt::transparent); - painter.fillRect(QRect(start, QSize(1, length - start.y())), gradient); - - // 3. Draw arc - painter.setRenderHint(QPainter::Antialiasing); - QRectF arc(QPointF(length - 5, 0), QSizeF(4, 4)); - arc.translate(0.5, 0.5); - painter.drawArc(arc, 0, 1440); - } else { - // Draw a horizontal gradiented line - QLinearGradient gradient(QPoint(0, 0), QPoint(length, 0)); - gradient.setColorAt(0, m_outlineColor); - gradient.setColorAt(1, Qt::transparent); - painter.fillRect(QRect(QPoint(0, 0), QSize(length, 1)), gradient); - } - } + m_roleBounds = QRectF(horizontalMargin + padding, + y, + size().width() - 2 * padding - horizontalMargin, + roleHeight); m_dirtyCache = false; } -#include "kitemlistgroupheader.moc" +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()); +} +