diff options
Diffstat (limited to 'tagitem.cpp')
| -rw-r--r-- | tagitem.cpp | 67 |
1 files changed, 64 insertions, 3 deletions
diff --git a/tagitem.cpp b/tagitem.cpp index d251428..e493b81 100644 --- a/tagitem.cpp +++ b/tagitem.cpp @@ -1,25 +1,86 @@ #include "tagitem.h"
+#include <QPainter>
+#include <QGuiApplication>
+
TagItem::TagItem(const Tag &tag)
: valid(true)
{
setFlags(QGraphicsItem::ItemIsMovable
| QGraphicsItem::ItemIsSelectable
- | QGraphicsItem::ItemIsFocusable);
- /* TODO text_it.setFlags(QGraphicsItem::ItemIgnoresTransformations);
- */
+ | QGraphicsItem::ItemIsFocusable
+ | QGraphicsItem::ItemIgnoresTransformations
+ | QGraphicsItem::ItemSendsGeometryChanges);
+ QFont font(QGuiApplication::font());
+ font.setPointSize(18);
+ setFont(font);
tagUpdated(tag);
}
void TagItem::tagUpdated(const Tag &tag)
{
m_tag = tag;
+ qDebug() << "TagItem updated" << tag.name << tag.anchor;
setText(tag.name);
setPos(tag.anchor);
}
+QRectF TagItem::boundingRect() const
+{
+ QRectF parentRect(QGraphicsSimpleTextItem::boundingRect());
+ parentRect.translate(-(parentRect.bottomRight() - parentRect.topLeft()) * 0.5);
+ return parentRect.marginsAdded(QMargins(5, 5, 5, 5));
+}
+
+/* For some reason this is not exposed through the public API so we have to copy-paste it here m( */
+static void paintSelectionHighlightBorder(QPainter *painter, const QStyleOptionGraphicsItem *option, TagItem *item)
+{
+ const QRectF mbrect = painter->transform().mapRect(item->boundingRect());
+ if (qMin(mbrect.width(), mbrect.height()) < qreal(1.0))
+ return;
+
+ const qreal pad = item->pen().widthF() / 2;
+ const qreal penWidth = 0; // cosmetic pen
+ const QColor fgcolor = option->palette.windowText().color();
+ const QColor bgcolor( // ensure good contrast against fgcolor
+ fgcolor.red() > 127 ? 0 : 255,
+ fgcolor.green() > 127 ? 0 : 255,
+ fgcolor.blue() > 127 ? 0 : 255);
+ painter->setPen(QPen(bgcolor, penWidth, Qt::SolidLine));
+ painter->setBrush(Qt::NoBrush);
+ painter->drawRect(item->boundingRect().adjusted(pad, pad, -pad, -pad));
+ painter->setPen(QPen(option->palette.windowText(), 0, Qt::DashLine));
+ painter->setBrush(Qt::NoBrush);
+ painter->drawRect(item->boundingRect().adjusted(pad, pad, -pad, -pad));
+}
+
+void TagItem::paint(QPainter *painter, const QStyleOptionGraphicsItem *option, QWidget *widget)
+{
+ painter->setBrush(Qt::white);
+ painter->drawRect(boundingRect());
+
+ QRectF parentRect(QGraphicsSimpleTextItem::boundingRect());
+ QPointF pos = (parentRect.bottomRight() - parentRect.topLeft()) * 0.5;
+ painter->translate(-pos);
+
+ QStyleOptionGraphicsItem newOption(*option);
+ newOption.state = ~(QStyle::State_Selected |QStyle::State_HasFocus);
+ QGraphicsSimpleTextItem::paint(painter, &newOption, widget);
+
+ painter->translate(pos);
+ if (option->state & (QStyle::State_Selected | QStyle::State_HasFocus))
+ paintSelectionHighlightBorder(painter, option, this);
+}
+
+QPainterPath TagItem::shape() const
+{
+ QPainterPath path;
+ return QGraphicsItem::shape();
+}
+
QVariant TagItem::itemChange(QGraphicsItem::GraphicsItemChange change, const QVariant &value)
{
+ qDebug() << "itemChange" << m_tag.name << this->boundingRect() << change;
if (change == ItemPositionChange) {
/* https://gist.github.com/csukuangfj/c2a06416062bec9ed99eddd705c21275#file-qgraphicsscenetest-cpp-L90
*
|