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Create a reusable item delegate wich supports "annotations".

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Currently used by the QML outline and C++ type hierarchy.

Reviewed-by: kkoehne
Task-number: QTCREATORBUG-2583
This commit is contained in:
Leandro Melo
2010-10-06 15:23:05 +02:00
parent ed6585c312
commit 2d50925071
8 changed files with 212 additions and 194 deletions
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66
src/plugins/qmljseditor/qmljsoutlinetreeview.cpp
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@@ -1,71 +1,11 @@
#include "qmljsoutlinetreeview.h"
#include "qmloutlinemodel.h"
#include <QtCore/QDebug>
#include <QtGui/QApplication>
#include <QtGui/QPainter>
#include <utils/annotateditemdelegate.h>
namespace QmlJSEditor {
namespace Internal {
QmlJSOutlineItemDelegate::QmlJSOutlineItemDelegate(QObject *parent) :
QStyledItemDelegate(parent)
{
}
QSize QmlJSOutlineItemDelegate::sizeHint(const QStyleOptionViewItem &option, const QModelIndex &index) const
{
QStyleOptionViewItemV4 opt = option;
initStyleOption(&opt, index);
const QString annotation = index.data(QmlOutlineModel::AnnotationRole).toString();
if (!annotation.isEmpty())
opt.text += " " + annotation;
QStyle *style = QApplication::style();
return style->sizeFromContents(QStyle::CT_ItemViewItem, &opt, QSize(), 0);
}
void QmlJSOutlineItemDelegate::paint(QPainter *painter, const QStyleOptionViewItem &option,
const QModelIndex &index) const
{
QStyleOptionViewItemV4 opt = option;
initStyleOption(&opt, index);
if (opt.state & QStyle::State_Selected)
painter->fillRect(opt.rect, option.palette.highlight());
const QString typeString = index.data(Qt::DisplayRole).toString();
const QString annotationString = index.data(QmlOutlineModel::AnnotationRole).toString();
QStyle *style = QApplication::style();
style->drawControl(QStyle::CE_ItemViewItem, &opt, painter, 0);
if (!annotationString.isEmpty()) {
QPalette::ColorRole textColorRole = QPalette::Text;
if (option.state & QStyle::State_Selected) {
textColorRole = QPalette::HighlightedText;
}
// calculate sizes of icon, type.
QPixmap iconPixmap = opt.icon.pixmap(opt.rect.size());
QRect iconRect = style->itemPixmapRect(opt.rect, Qt::AlignLeft, iconPixmap);
QRect typeRect = style->itemTextRect(opt.fontMetrics, opt.rect, Qt::AlignLeft, true, typeString);
QRect annotationRect = style->itemTextRect(opt.fontMetrics, opt.rect, Qt::AlignLeft | Qt::AlignBottom, true,
annotationString);
static int space = opt.fontMetrics.width(" ");
annotationRect.adjust(iconRect.width() + typeRect.width() + space, 0,
iconRect.width() + typeRect.width() + space, 0);
QPalette disabledPalette(opt.palette);
disabledPalette.setCurrentColorGroup(QPalette::Disabled);
style->drawItemText(painter, annotationRect, Qt::AlignLeft, disabledPalette, true,
annotationString, textColorRole);
}
}
QmlJSOutlineTreeView::QmlJSOutlineTreeView(QWidget *parent) :
Utils::NavigationTreeView(parent)
{
@@ -80,7 +20,9 @@ QmlJSOutlineTreeView::QmlJSOutlineTreeView(QWidget *parent) :
setRootIsDecorated(false);
QmlJSOutlineItemDelegate *itemDelegate = new QmlJSOutlineItemDelegate(this);
Utils::AnnotatedItemDelegate *itemDelegate = new Utils::AnnotatedItemDelegate(this);
itemDelegate->setDelimiter(QLatin1String(" "));
itemDelegate->setAnnotationRole(QmlOutlineModel::AnnotationRole);
setItemDelegateForColumn(0, itemDelegate);
}