* 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/>.
*/
#include "cursor.hpp"
+#include "ruler.hpp"
#include "view.hpp"
#include "pv/util.hpp"
#include <cassert>
#include <cstdio>
+#include <limits>
+using std::abs; // Force usage of std::abs() instead of C's abs().
using std::shared_ptr;
namespace pv {
-namespace view {
+namespace views {
+namespace TraceView {
const QColor Cursor::FillColour(52, 101, 164);
{
}
-QRectF Cursor::get_label_rect(const QRect &rect) const
+bool Cursor::enabled() const
+{
+ return view_.cursors_shown();
+}
+
+QString Cursor::get_text() const
+{
+ const shared_ptr<Cursor> other = get_other_cursor();
+ const pv::util::Timestamp& diff = abs(time_ - other->time_);
+
+ return Ruler::format_time_with_distance(
+ diff, time_, view_.tick_prefix(), view_.time_unit(), view_.tick_precision());
+}
+
+QRectF Cursor::label_rect(const QRectF &rect) const
{
const shared_ptr<Cursor> other(get_other_cursor());
assert(other);
- const float x = (time_ - view_.offset()) / view_.scale();
+ const float x = ((time_ - view_.offset())/ view_.scale()).convert_to<float>();
QFontMetrics m(QApplication::font());
- QSize text_size = m.boundingRect(
- pv::util::format_time(time_, view_.tick_prefix(), 2)).size();
+ QSize text_size = m.boundingRect(get_text()).size();
const QSizeF label_size(
- text_size.width() + View::LabelPadding.width() * 2,
- text_size.height() + View::LabelPadding.height() * 2);
+ text_size.width() + LabelPadding.width() * 2,
+ text_size.height() + LabelPadding.height() * 2);
const float top = rect.height() - label_size.height() -
- TimeMarker::Offset - TimeMarker::ArrowSize - 0.5f;
+ TimeMarker::ArrowSize - 0.5f;
const float height = label_size.height();
- if (time_ > other->time())
+ const pv::util::Timestamp& other_time = other->time();
+
+ if (time_ > other_time ||
+ (abs(time_ - other_time).is_zero() && this > other.get()))
return QRectF(x, top, label_size.width(), height);
else
- return QRectF(x - label_size.width(), top,
- label_size.width(), height);
+ return QRectF(x - label_size.width(), top, label_size.width(), height);
}
shared_ptr<Cursor> Cursor::get_other_cursor() const
{
- const CursorPair &cursors = view_.cursors();
- return (cursors.first().get() == this) ?
- cursors.second() : cursors.first();
+ const shared_ptr<CursorPair> cursors(view_.cursors());
+ assert(cursors);
+ return (cursors->first().get() == this) ?
+ cursors->second() : cursors->first();
}
-} // namespace view
+} // namespace TraceView
+} // namespace views
} // namespace pv