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#include "refactoroverlay.h"
#include <QPainter>
#include <QTextBlock>
#include "basetextdocumentlayout.h"
#include <QDebug>
using namespace TextEditor::Internal;
RefactorOverlay::RefactorOverlay(TextEditor::BaseTextEditor *editor) :
QObject(editor),
m_editor(editor),
m_maxWidth(0),
m_icon(QLatin1String(":/texteditor/images/refactormarker.png"))
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{
}
void RefactorOverlay::paint(QPainter *painter, const QRect &clip)
{
QTextBlock lastBlock;
int position = 0;
m_maxWidth = 0;
for (int i = 0; i < m_markers.size(); ++i) {
// position counts how many refactor markers are in a single block
if (m_markers.at(i).cursor.block() != lastBlock) {
lastBlock = m_markers.at(i).cursor.block();
position = 0;
} else {
position++;
}
paintMarker(m_markers.at(i), position, painter, clip);
}
if (BaseTextDocumentLayout *documentLayout = qobject_cast<BaseTextDocumentLayout*>(m_editor->document()->documentLayout())) {
documentLayout->setRequiredWidth(m_maxWidth);
}
}
RefactorMarker RefactorOverlay::markerAt(const QPoint &pos) const
{
QPointF offset = m_editor->contentOffset();
foreach(const RefactorMarker &marker, m_markers) {
if (marker.rect.translated(offset.toPoint()).contains(pos))
return marker;
}
return RefactorMarker();
}
void RefactorOverlay::paintMarker(const RefactorMarker& marker, int position,
QPainter *painter, const QRect &clip)
{
QPointF offset = m_editor->contentOffset();
QRectF geometry = m_editor->blockBoundingGeometry(marker.cursor.block()).translated(offset);
if (geometry.top() > clip.bottom() + 10 || geometry.bottom() < clip.top() - 10)
return; // marker not visible
QTextCursor cursor = marker.cursor;
cursor.movePosition(QTextCursor::EndOfLine);
QRect r = m_editor->cursorRect(cursor);
QIcon icon = marker.icon;
if (icon.isNull())
icon = m_icon;
QSize sz = icon.actualSize(QSize(INT_MAX, r.height()));
int x = r.right() + position * sz.width();
marker.rect = QRect(x, r.bottom() + 1 - sz.height(), sz.width(), sz.height());