From aa41b891f06a629099d108ab1f4df94d1bbc828c Mon Sep 17 00:00:00 2001 From: =?UTF-8?q?Petr=20Mr=C3=A1zek?= Date: Sat, 8 Feb 2014 21:46:29 +0100 Subject: [PATCH] Group View: Use painting code from the previous group headers, small optimizations --- gui/groupview/Group.cpp | 105 +++++++++++++++++++++++++++++++----- gui/groupview/Group.h | 9 ++-- gui/groupview/GroupView.cpp | 22 ++++++-- 3 files changed, 117 insertions(+), 19 deletions(-) diff --git a/gui/groupview/Group.cpp b/gui/groupview/Group.cpp index 7cce674a..f3319dc3 100644 --- a/gui/groupview/Group.cpp +++ b/gui/groupview/Group.cpp @@ -3,6 +3,7 @@ #include #include #include +#include #include "GroupView.h" @@ -58,8 +59,9 @@ Group::HitResults Group::hitScan(const QPoint &pos) const return results; } -void Group::drawHeader(QPainter *painter, const QStyleOptionViewItem &option, const int y) +void Group::drawHeader(QPainter *painter, const QStyleOptionViewItem &option) { + /* QStyleOptionViewItemV4 opt = option; painter->save(); @@ -107,6 +109,95 @@ void Group::drawHeader(QPainter *painter, const QStyleOptionViewItem &option, co midY + 1); painter->restore(); + */ + painter->setRenderHint(QPainter::Antialiasing); + + const QRect optRect = option.rect; + QFont font(QApplication::font()); + font.setBold(true); + const QFontMetrics fontMetrics = QFontMetrics(font); + + QColor outlineColor = option.palette.text().color(); + outlineColor.setAlphaF(0.35); + + //BEGIN: top left corner + { + painter->save(); + painter->setPen(outlineColor); + const QPointF topLeft(optRect.topLeft()); + QRectF arc(topLeft, QSizeF(4, 4)); + arc.translate(0.5, 0.5); + painter->drawArc(arc, 1440, 1440); + painter->restore(); + } + //END: top left corner + + //BEGIN: left vertical line + { + QPoint start(optRect.topLeft()); + start.ry() += 3; + QPoint verticalGradBottom(optRect.topLeft()); + verticalGradBottom.ry() += fontMetrics.height() + 5; + QLinearGradient gradient(start, verticalGradBottom); + gradient.setColorAt(0, outlineColor); + gradient.setColorAt(1, Qt::transparent); + painter->fillRect(QRect(start, QSize(1, fontMetrics.height() + 5)), gradient); + } + //END: left vertical line + + //BEGIN: horizontal line + { + QPoint start(optRect.topLeft()); + start.rx() += 3; + QPoint horizontalGradTop(optRect.topLeft()); + horizontalGradTop.rx() += optRect.width() - 6; + painter->fillRect(QRect(start, QSize(optRect.width() - 6, 1)), outlineColor); + } + //END: horizontal line + + //BEGIN: top right corner + { + painter->save(); + painter->setPen(outlineColor); + QPointF topRight(optRect.topRight()); + topRight.rx() -= 4; + QRectF arc(topRight, QSizeF(4, 4)); + arc.translate(0.5, 0.5); + painter->drawArc(arc, 0, 1440); + painter->restore(); + } + //END: top right corner + + //BEGIN: right vertical line + { + QPoint start(optRect.topRight()); + start.ry() += 3; + QPoint verticalGradBottom(optRect.topRight()); + verticalGradBottom.ry() += fontMetrics.height() + 5; + QLinearGradient gradient(start, verticalGradBottom); + gradient.setColorAt(0, outlineColor); + gradient.setColorAt(1, Qt::transparent); + painter->fillRect(QRect(start, QSize(1, fontMetrics.height() + 5)), gradient); + } + //END: right vertical line + + //BEGIN: text + { + QRect textRect(option.rect); + textRect.setTop(textRect.top() + 7); + textRect.setLeft(textRect.left() + 7); + textRect.setHeight(fontMetrics.height()); + textRect.setRight(textRect.right() - 7); + + painter->save(); + painter->setFont(font); + QColor penColor(option.palette.text().color()); + penColor.setAlphaF(0.6); + painter->setPen(penColor); + painter->drawText(textRect, Qt::AlignLeft | Qt::AlignVCenter, text); + painter->restore(); + } + //END: text } int Group::totalHeight() const @@ -144,17 +235,7 @@ int Group::numRows() const int Group::verticalPosition() const { - int res = 0; - const QList cats = view->m_groups; - for (int i = 0; i < cats.size(); ++i) - { - if (cats.at(i) == this) - { - break; - } - res += cats.at(i)->totalHeight() + view->m_categoryMargin; - } - return res; + return m_verticalPosition; } QList Group::items() const diff --git a/gui/groupview/Group.h b/gui/groupview/Group.h index 46a12f63..3b797f4c 100644 --- a/gui/groupview/Group.h +++ b/gui/groupview/Group.h @@ -16,18 +16,19 @@ struct Group Group(const Group *other); /* data */ - GroupView *view; + GroupView *view = nullptr; QString text; - bool collapsed; + bool collapsed = false; QVector rowHeights; - int firstItemIndex; + int firstItemIndex = 0; + int m_verticalPosition = 0; /* logic */ /// do stuff. and things. TODO: redo. void update(); /// draw the header at y-position. - void drawHeader(QPainter *painter, const QStyleOptionViewItem &option, const int y); + void drawHeader(QPainter *painter, const QStyleOptionViewItem &option); /// height of the group, in total. includes a small bit of padding. int totalHeight() const; diff --git a/gui/groupview/GroupView.cpp b/gui/groupview/GroupView.cpp index 9e186854..9954d743 100644 --- a/gui/groupview/GroupView.cpp +++ b/gui/groupview/GroupView.cpp @@ -114,12 +114,19 @@ void GroupView::updateGeometries() else { int totalHeight = 0; + // top margin + totalHeight += m_categoryMargin; for (auto category : m_groups) { + category->m_verticalPosition = totalHeight; totalHeight += category->totalHeight() + m_categoryMargin; } + /* // remove the last margin (we don't want it) totalHeight -= m_categoryMargin; + // add a margin on top... + totalHeight += m_categoryMargin; + */ totalHeight += m_bottomMargin; verticalScrollBar()->setRange(0, totalHeight - height()); } @@ -426,12 +433,22 @@ void GroupView::paintEvent(QPaintEvent *event) QStyleOptionViewItemV4 option(viewOptions()); option.widget = this; - int y = -verticalOffset(); + int wpWidth = viewport()->width(); + option.rect.setWidth(wpWidth); for (int i = 0; i < m_groups.size(); ++i) { Group *category = m_groups.at(i); - category->drawHeader(&painter, option, y); + int y = category->verticalPosition(); + y -= verticalOffset(); + QRect backup = option.rect; + int height = category->totalHeight(); + option.rect.setTop(y); + option.rect.setHeight(height); + option.rect.setLeft(m_leftMargin); + option.rect.setRight(wpWidth - m_rightMargin); + category->drawHeader(&painter, option); y += category->totalHeight() + m_categoryMargin; + option.rect = backup; } for (int i = 0; i < model()->rowCount(); ++i) @@ -587,7 +604,6 @@ void GroupView::startDrag(Qt::DropActions supportedActions) QDrag *drag = new QDrag(this); drag->setPixmap(pixmap); drag->setMimeData(data); - drag->setHotSpot(m_pressedPosition - rect.topLeft()); Qt::DropAction defaultDropAction = Qt::IgnoreAction; if (this->defaultDropAction() != Qt::IgnoreAction && (supportedActions & this->defaultDropAction()))