Add setting for the snap-to-edge distance

[pulseview.git] / pv / views / viewbase.hpp

diff --git a/pv/views/viewbase.hpp b/pv/views/viewbase.hpp
index 1ac847562cd4462ebe0872d46732106f1b3dd49c..b524c1797d0d1478ba4bd1eac36ee538a400d69a 100644 (file)
--- a/pv/views/viewbase.hpp
+++ b/pv/views/viewbase.hpp
@@ -15,24 +15,30 @@
  * 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_VIEWS_VIEWBASE_HPP
 #define PULSEVIEW_PV_VIEWS_VIEWBASE_HPP
 
-#include <stdint.h>
-
+#include <cstdint>
 #include <memory>
-#include <set>
+#include <unordered_set>
 #include <vector>
 
+#include <QTimer>
 #include <QWidget>
 
 #include <pv/data/signalbase.hpp>
 #include <pv/util.hpp>
 
+#ifdef ENABLE_DECODE
+#include <pv/data/decodesignal.hpp>
+#endif
+
+using std::shared_ptr;
+using std::unordered_set;
+
 namespace pv {
 
 class Session;
@@ -49,23 +55,42 @@ enum ViewType {
        ViewTypeTabularDecode
 };
 
-class ViewBase : public QWidget {
+class ViewBase : public QWidget
+{
        Q_OBJECT
 
+private:
+       static const int MaxViewAutoUpdateRate;
+
 public:
-       explicit ViewBase(Session &session, QWidget *parent = 0);
+       explicit ViewBase(Session &session, bool is_main_view = false, QWidget *parent = nullptr);
+
+       /**
+        * Resets the view to its default state after construction. It does however
+        * not reset the signal bases or any other connections with the session.
+        */
+       virtual void reset_view_state();
 
        Session& session();
        const Session& session() const;
 
        virtual void clear_signals();
 
+       /**
+        * Returns the signal bases contained in this view.
+        */
+       unordered_set< shared_ptr<data::SignalBase> > signalbases() const;
+
+       virtual void clear_signalbases();
+
+       virtual void add_signalbase(const shared_ptr<data::SignalBase> signalbase);
+
 #ifdef ENABLE_DECODE
        virtual void clear_decode_signals();
 
-       virtual void add_decode_signal(std::shared_ptr<data::SignalBase> signalbase);
+       virtual void add_decode_signal(shared_ptr<data::DecodeSignal> signal);
 
-       virtual void remove_decode_signal(std::shared_ptr<data::SignalBase> signalbase);
+       virtual void remove_decode_signal(shared_ptr<data::DecodeSignal> signal);
 #endif
 
        virtual void save_settings(QSettings &settings) const;
@@ -73,15 +98,33 @@ public:
        virtual void restore_settings(QSettings &settings);
 
 public Q_SLOTS:
-       virtual void trigger_event(util::Timestamp location);
+       virtual void trigger_event(int segment_id, util::Timestamp location);
        virtual void signals_changed();
        virtual void capture_state_updated(int state);
-       virtual void data_updated();
+       virtual void on_new_segment(int new_segment_id);
+       virtual void on_segment_completed(int new_segment_id);
+       virtual void perform_delayed_view_update();
+
+private Q_SLOTS:
+       void on_samples_added(uint64_t segment_id, uint64_t start_sample,
+               uint64_t end_sample);
+
+       void on_data_updated();
 
 protected:
        Session &session_;
 
+       const bool is_main_view_;
+
+       util::Timestamp ruler_shift_;
        util::TimeUnit time_unit_;
+
+       unordered_set< shared_ptr<data::SignalBase> > signalbases_;
+
+       /// The ID of the currently displayed segment
+       uint32_t current_segment_;
+
+       QTimer delayed_view_updater_;
 };
 
 } // namespace views