Implement expansion marker animation and its infrastructure

[pulseview.git] / pv / views / trace / decodetrace.hpp

diff --git a/pv/views/trace/decodetrace.hpp b/pv/views/trace/decodetrace.hpp
index b74524c56e5b90b860fee83356e9dc21a208a330..79f7a27d23b948bebf3c231de8df04c5042bfdd0 100644 (file)
--- a/pv/views/trace/decodetrace.hpp
+++ b/pv/views/trace/decodetrace.hpp
@@ -29,17 +29,21 @@
 
 #include <QColor>
 #include <QComboBox>
+#include <QPolygon>
 #include <QPushButton>
 #include <QSignalMapper>
 #include <QTimer>
 
 #include <pv/binding/decoder.hpp>
+#include <pv/data/decode/decoder.hpp>
 #include <pv/data/decode/annotation.hpp>
 #include <pv/data/decode/row.hpp>
 #include <pv/data/signalbase.hpp>
 
+using std::deque;
 using std::list;
 using std::map;
+using std::mutex;
 using std::pair;
 using std::shared_ptr;
 using std::vector;
@@ -67,6 +71,18 @@ class DecoderGroupBox;
 namespace views {
 namespace trace {
 
+struct RowData {
+       // When adding a field, make sure it's initialized properly in
+       // DecodeTrace::update_rows()
+
+       data::decode::Row decode_row;
+       unsigned int height, expanded_height, title_width, animation_step;
+       bool exists, currently_visible;
+       bool expand_marker_highlighted, expanding, expanded, collapsing;
+       QPolygon expand_marker_shape;
+       float anim_height, anim_shape;
+};
+
 class DecodeTrace : public Trace
 {
        Q_OBJECT
@@ -81,6 +97,7 @@ private:
        static const int DrawPadding;
 
        static const int MaxTraceUpdateRate;
+       static const unsigned int AnimationDurationInTicks;
 
 public:
        DecodeTrace(pv::Session &session, shared_ptr<data::SignalBase> signalbase,
@@ -125,7 +142,11 @@ public:
 
        virtual QMenu* create_view_context_menu(QWidget *parent, QPoint &click_pos);
 
-       void delete_pressed();
+       virtual void delete_pressed();
+
+       virtual void hover_point_changed(const QPoint &hp);
+
+       virtual void mouse_left_press_event(const QMouseEvent* event);
 
 private:
        void draw_annotations(vector<pv::data::decode::Annotation> annotations,
@@ -167,7 +188,9 @@ private:
        QColor get_row_color(int row_index) const;
        QColor get_annotation_color(QColor row_color, int annotation_index) const;
 
-       int get_row_at_point(const QPoint &point);
+       unsigned int get_row_y(const RowData* row) const;
+
+       RowData* get_row_at_point(const QPoint &point);
 
        const QString get_annotation_at_point(const QPoint &point);
 
@@ -178,14 +201,13 @@ private:
                QWidget *parent, QFormLayout *form);
 
        QComboBox* create_channel_selector(QWidget *parent,
-               const data::DecodeChannel *ch);
+               const data::decode::DecodeChannel *ch);
        QComboBox* create_channel_selector_init_state(QWidget *parent,
-               const data::DecodeChannel *ch);
+               const data::decode::DecodeChannel *ch);
 
        void export_annotations(vector<data::decode::Annotation> *annotations) const;
 
-public:
-       virtual void hover_point_changed(const QPoint &hp);
+       void update_rows();
 
 private Q_SLOTS:
        void on_setting_changed(const QString &key, const QVariant &value);
@@ -219,31 +241,36 @@ private Q_SLOTS:
        void on_export_row_from_here();
        void on_export_all_rows_from_here();
 
+       void on_animation_timer();
+
 private:
        pv::Session &session_;
        shared_ptr<data::DecodeSignal> decode_signal_;
 
-       vector<data::decode::Row> visible_rows_;
-       bool always_show_all_rows_;
+       deque<RowData> rows_;
+       mutable mutex row_modification_mutex_;
 
        map<QComboBox*, uint16_t> channel_id_map_;  // channel selector -> decode channel ID
        map<QComboBox*, uint16_t> init_state_map_;  // init state selector -> decode channel ID
        list< shared_ptr<pv::binding::Decoder> > bindings_;
 
-       data::decode::Row *selected_row_;
+       const data::decode::Row* selected_row_;
        pair<uint64_t, uint64_t> selected_sample_range_;
 
        vector<pv::widgets::DecoderGroupBox*> decoder_forms_;
        QPushButton* stack_button_;
 
-       map<data::decode::Row, int> row_title_widths_;
-       int row_height_, max_visible_rows_;
+       unsigned int default_row_height_, annotation_height_;
+       unsigned int visible_rows_, max_visible_rows_;
 
        int min_useful_label_width_;
+       bool always_show_all_rows_;
 
        QSignalMapper delete_mapper_, show_hide_mapper_;
 
-       QTimer delayed_trace_updater_;
+       QTimer delayed_trace_updater_, animation_timer_;
+
+       QPolygon default_marker_shape_;
 };
 
 } // namespace trace