X-Git-Url: https://sigrok.org/gitweb/?p=pulseview.git;a=blobdiff_plain;f=pv%2Fview%2Fcursorpair.cpp;h=24d036652d763ca6d9a4be898a2cdcbeedd35020;hp=5ce398a0ff3f764e9b0e6d6914bf9f258254bce0;hb=cb5a1216019ae561046f7812b7fc67c11ea3d6c5;hpb=199441e4fe68f1ee45f3d4b7617a7166a87c7926 diff --git a/pv/view/cursorpair.cpp b/pv/view/cursorpair.cpp index 5ce398a0..24d03665 100644 --- a/pv/view/cursorpair.cpp +++ b/pv/view/cursorpair.cpp @@ -14,83 +14,182 @@ * 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 . */ -#include "cursorpair.h" +#include "cursorpair.hpp" -#include "view.h" +#include "pv/util.hpp" +#include "ruler.hpp" +#include "view.hpp" #include +#include -using namespace std; +using std::max; +using std::make_pair; +using std::min; +using std::shared_ptr; +using std::pair; namespace pv { -namespace view { +namespace views { +namespace TraceView { -CursorPair::CursorPair(const View &view) : - _first(view, 0.0, _second), - _second(view, 1.0, _first), - _view(view) +const int CursorPair::DeltaPadding = 8; +const QColor CursorPair::ViewportFillColour(220, 231, 243); + +CursorPair::CursorPair(View &view) : + TimeItem(view), + first_(new Cursor(view, 0.0)), + second_(new Cursor(view, 1.0)) +{ +} + +bool CursorPair::enabled() const +{ + return view_.cursors_shown(); +} + +shared_ptr CursorPair::first() const +{ + return first_; +} + +shared_ptr CursorPair::second() const +{ + return second_; +} + +void CursorPair::set_time(const pv::util::Timestamp& time) { + const pv::util::Timestamp delta = second_->time() - first_->time(); + first_->set_time(time); + second_->set_time(time + delta); } -const Cursor& CursorPair::first() const +float CursorPair::get_x() const { - return _first; + return (first_->get_x() + second_->get_x()) / 2.0f; } -Cursor& CursorPair::first() +QPoint CursorPair::point(const QRect &rect) const { - return _first; + return first_->point(rect); } -const Cursor& CursorPair::second() const +pv::widgets::Popup* CursorPair::create_popup(QWidget *parent) { - return _second; + (void)parent; + return nullptr; } -Cursor& CursorPair::second() +QRectF CursorPair::label_rect(const QRectF &rect) const { - return _second; + const QSizeF label_size(text_size_ + LabelPadding * 2); + const pair offsets(get_cursor_offsets()); + const pair normal_offsets( + (offsets.first < offsets.second) ? offsets : + make_pair(offsets.second, offsets.first)); + + const float height = label_size.height(); + const float left = max(normal_offsets.first + DeltaPadding, -height); + const float right = min(normal_offsets.second - DeltaPadding, + (float)rect.width() + height); + + return QRectF(left, rect.height() - label_size.height() - + TimeMarker::ArrowSize - 0.5f, + right - left, height); } -void CursorPair::draw_markers(QPainter &p, - const QRect &rect, unsigned int prefix) +void CursorPair::paint_label(QPainter &p, const QRect &rect, bool hover) { - _first.paint_label(p, rect, prefix); - _second.paint_label(p, rect, prefix); + assert(first_); + assert(second_); + + if (!enabled()) + return; + + const QColor text_colour = + ViewItem::select_text_colour(Cursor::FillColour); + + p.setPen(text_colour); + compute_text_size(p); + QRectF delta_rect(label_rect(rect)); + + const int radius = delta_rect.height() / 2; + const QRectF text_rect(delta_rect.intersected( + rect).adjusted(radius, 0, -radius, 0)); + if (text_rect.width() >= text_size_.width()) { + const int highlight_radius = delta_rect.height() / 2 - 2; + + if (selected()) { + p.setBrush(Qt::transparent); + p.setPen(highlight_pen()); + p.drawRoundedRect(delta_rect, radius, radius); + } + + p.setBrush(hover ? Cursor::FillColour.lighter() : + Cursor::FillColour); + p.setPen(Cursor::FillColour.darker()); + p.drawRoundedRect(delta_rect, radius, radius); + + delta_rect.adjust(1, 1, -1, -1); + p.setPen(Cursor::FillColour.lighter()); + p.drawRoundedRect(delta_rect, highlight_radius, highlight_radius); + + p.setPen(text_colour); + p.drawText(text_rect, Qt::AlignCenter | Qt::AlignVCenter, + format_string()); + } } -void CursorPair::draw_viewport_background(QPainter &p, - const QRect &rect) +void CursorPair::paint_back(QPainter &p, const ViewItemPaintParams &pp) { + if (!enabled()) + return; + p.setPen(Qt::NoPen); - p.setBrush(QBrush(View::CursorAreaColour)); + p.setBrush(QBrush(ViewportFillColour)); const pair offsets(get_cursor_offsets()); const int l = (int)max(min( offsets.first, offsets.second), 0.0f); const int r = (int)min(max( - offsets.first, offsets.second), (float)rect.width()); + offsets.first, offsets.second), (float)pp.width()); - p.drawRect(l, 0, r - l, rect.height()); + p.drawRect(l, pp.top(), r - l, pp.height()); } -void CursorPair::draw_viewport_foreground(QPainter &p, - const QRect &rect) +QString CursorPair::format_string() { - _first.paint(p, rect); - _second.paint(p, rect); + const pv::util::SIPrefix prefix = view_.tick_prefix(); + const pv::util::Timestamp diff = abs(second_->time() - first_->time()); + + const QString s1 = Ruler::format_time_with_distance( + diff, diff, prefix, view_.time_unit(), view_.tick_precision(), false); + const QString s2 = util::format_time_si( + 1 / diff, pv::util::SIPrefix::unspecified, 4, "Hz", false); + + return QString("%1 / %2").arg(s1).arg(s2); +} + +void CursorPair::compute_text_size(QPainter &p) +{ + assert(first_); + assert(second_); + + text_size_ = p.boundingRect(QRectF(), 0, format_string()).size(); } pair CursorPair::get_cursor_offsets() const { - return pair( - (_first.time() - _view.offset()) / _view.scale(), - (_second.time() - _view.offset()) / _view.scale()); + assert(first_); + assert(second_); + + return pair(first_->get_x(), second_->get_x()); } -} // namespace view +} // namespace TraceView +} // namespace views } // namespace pv