* GNU General Public License for more details.
*
* You should have received a copy of the GNU General Public License
- * along with this program; if not, write to the Free Software
- * Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA
+ * along with this program; if not, see <http://www.gnu.org/licenses/>.
*/
-#ifndef PULSEVIEW_PV_VIEWITEM_H
-#define PULSEVIEW_PV_VIEWITEM_H
+#ifndef PULSEVIEW_PV_VIEWITEM_HPP
+#define PULSEVIEW_PV_VIEWITEM_HPP
#include <list>
class Popup;
}
-namespace view {
+namespace views {
+namespace TraceView {
+
+class ViewItemOwner;
class ViewItem : public QObject
{
Q_OBJECT
public:
+ static const QSizeF LabelPadding;
static const int HighlightRadius;
public:
/**
* Selects or deselects the signal.
*/
- void select(bool select = true);
+ virtual void select(bool select = true);
/**
- * Returns true if the item is being dragged.
+ * Returns true if the item may be dragged/moved.
*/
- bool dragging() const;
+ virtual bool is_draggable() const;
/**
- * Retunrns the current drag point.
+ * Returns true if the item is being dragged.
*/
- QPoint drag_point() const;
+ bool dragging() const;
/**
* Sets this item into the dragged state.
/**
* Sets this item into the un-dragged state.
*/
- void drag_release();
+ virtual void drag_release();
+
+ /**
+ * Drags the item to a delta relative to the drag point.
+ * @param delta the offset from the drag point.
+ */
+ virtual void drag_by(const QPoint &delta) = 0;
/**
* Get the drag point.
+ * @param rect the rectangle of the widget area.
*/
- virtual QPoint point() const = 0;
+ virtual QPoint point(const QRect &rect) const = 0;
/**
* Computes the outline rectangle of a label.
* @param rect the rectangle of the header area.
* @return Returns the rectangle of the signal label.
+ * @remarks The default implementation returns an empty rectangle.
+ */
+ virtual QRectF label_rect(const QRectF &rect) const;
+
+ /**
+ * Computes the outline rectangle of the viewport hit-box.
+ * @param rect the rectangle of the viewport area.
+ * @return Returns the rectangle of the hit-box.
+ * @remarks The default implementation returns an empty hit-box.
*/
- virtual QRectF label_rect(const QRectF &rect) const = 0;
+ virtual QRectF hit_box_rect(const ViewItemPaintParams &pp) const;
+
+ /**
+ * Paints the signal label.
+ * @param p the QPainter to paint into.
+ * @param rect the rectangle of the header area.
+ * @param hover true if the label is being hovered over by the mouse.
+ */
+ virtual void paint_label(QPainter &p, const QRect &rect, bool hover);
/**
* Paints the background layer of the item with a QPainter
* @param p the QPainter to paint into.
* @param pp the painting parameters object to paint with.
- **/
+ */
virtual void paint_back(QPainter &p, const ViewItemPaintParams &pp);
/**
* Paints the mid-layer of the item with a QPainter
* @param p the QPainter to paint into.
* @param pp the painting parameters object to paint with.
- **/
+ */
virtual void paint_mid(QPainter &p, const ViewItemPaintParams &pp);
/**
* Paints the foreground layer of the item with a QPainter
* @param p the QPainter to paint into.
* @param pp the painting parameters object to paint with.
- **/
+ */
virtual void paint_fore(QPainter &p, const ViewItemPaintParams &pp);
public:
public:
virtual QMenu* create_context_menu(QWidget *parent);
- virtual pv::widgets::Popup* create_popup(QWidget *parent) = 0;
+ virtual pv::widgets::Popup* create_popup(QWidget *parent);
virtual void delete_pressed();
protected:
QWidget *context_parent_;
+ QPoint drag_point_;
private:
bool selected_;
- QPoint drag_point_;
};
-} // namespace view
+} // namespace TraceView
+} // namespace views
} // namespace pv
-#endif // PULSEVIEW_PV_VIEWITEM_H
+#endif // PULSEVIEW_PV_VIEWITEM_HPP