Timelines of metro-synched media player

ImGuiToolkit.cpp

@@ -965,59 +965,6 @@ bool ImGuiToolkit::TimelineSlider (const char* label, guint64 *time, guint64 beg
 }
 
 
-//void ImGuiToolkit::Timeline (const char* label, guint64 time, guint64 begin, guint64 end, guint64 step, const float width)
-//{
-//    // get window
-//    ImGuiWindow* window = ImGui::GetCurrentWindow();
-//    if (window->SkipItems)
-//        return;
-
-//    // get style & id
-//    const ImGuiContext& g = *GImGui;
-//    const ImGuiStyle& style = g.Style;
-//    const float fontsize = g.FontSize;
-//    const ImGuiID id = window->GetID(label);
-
-//    //
-//    // FIRST PREPARE ALL data structures
-//    //
-
-//    // widget bounding box
-//    const float height = 2.f * (fontsize + style.FramePadding.y);
-//    ImVec2 pos = window->DC.CursorPos;
-//    ImVec2 size = ImVec2(width, height);
-//    ImRect bbox(pos, pos + size);
-//    ImGui::ItemSize(size, style.FramePadding.y);
-//    if (!ImGui::ItemAdd(bbox, id))
-//        return;
-
-//    // cursor size
-//    const float cursor_width = 0.5f * fontsize;
-
-//    // TIMELINE is inside the bbox, in a slightly smaller bounding box
-//    ImRect timeline_bbox(bbox);
-//    timeline_bbox.Expand( ImVec2() - style.FramePadding );
-
-//    // units conversion: from time to float (calculation made with higher precision first)
-//    guint64 duration = end - begin;
-//    float time_ = static_cast<float> ( static_cast<double>(time - begin) / static_cast<double>(duration) );
-
-//    //
-//    // THIRD RENDER
-//    //
-
-//    // Render the bounding box
-//    ImGui::RenderFrame(bbox.Min, bbox.Max, ImGui::GetColorU32(ImGuiCol_FrameBg), true, style.FrameRounding);
-
-//    // render the timeline
-//    RenderTimeline(window, timeline_bbox, begin, end, step);
-
-//    // draw the cursor
-//    if ( time_ > -FLT_EPSILON && time_ < 1.f ) {
-//        pos = ImLerp(timeline_bbox.GetTL(), timeline_bbox.GetTR(), time_) - ImVec2(cursor_width, 2.f);
-//        ImGui::RenderArrow(window->DrawList, pos, ImGui::GetColorU32(ImGuiCol_SliderGrab), ImGuiDir_Up);
-//    }
-//}
 
 bool ImGuiToolkit::InvisibleSliderInt (const char* label, uint *index, uint min, uint max, ImVec2 size)
 {

ImGuiToolkit.h

@@ -46,7 +46,6 @@ namespace ImGuiToolkit
     bool TimelineSlider (const char* label, guint64 *time, guint64 begin, guint64 first, guint64 end, guint64 step, const float width, double tempo = 0, double quantum = 0);
     void RenderTimeline (struct ImGuiWindow* window, struct ImRect timeline_bbox, guint64 begin, guint64 end, guint64 step, bool verticalflip = false);
     void RenderTimelineBPM (struct ImGuiWindow* window, struct ImRect timeline_bbox, double tempo, double quantum, guint64 begin, guint64 end, guint64 step, bool verticalflip = false);
-//    void Timeline (const char* label, guint64 time, guint64 begin, guint64 end, guint64 step, const float width);
     bool InvisibleSliderInt(const char* label, uint *index, uint min, uint max, const ImVec2 size);
     bool EditPlotLines(const char* label, float *array, int values_count, float values_min, float values_max, const ImVec2 size);
     bool EditPlotHistoLines(const char* label, float *histogram_array, float *lines_array, int values_count, float values_min, float values_max, guint64 begin, guint64 end, bool cut, bool *released, const ImVec2 size);

UserInterfaceManager.cpp

@@ -2572,7 +2572,8 @@ void DrawTimeScale(const char* label, guint64 duration, double width_ratio)
 
 }
 
-std::list< std::pair<float, guint64> > DrawTimeline(const char* label, Timeline *timeline, guint64 time, double width_ratio, float height)
+std::list< std::pair<float, guint64> > DrawTimeline(const char* label, Timeline *timeline, guint64 time,
+                                                    double width_ratio, float height, double tempo = 0, double quantum = 0)
 {
     std::list< std::pair<float, guint64> > ret;
 
@@ -2640,6 +2641,10 @@ std::list< std::pair<float, guint64> > DrawTimeline(const char* label, Timeline
 
         // adjust bbox of section and render a timeline
         ImRect section_bbox(section_bbox_min, section_bbox_max);
+        // render the timeline
+        if (tempo > 0 && quantum > 0)
+            ImGuiToolkit::RenderTimelineBPM(window, section_bbox, tempo, quantum, section->begin, section->end, timeline->step());
+        else
             ImGuiToolkit::RenderTimeline(window, section_bbox, section->begin, section->end, timeline->step());
 
         // draw the cursor
@@ -2770,7 +2775,14 @@ void SourceController::RenderSelection(size_t i)
 
                     // draw the mediaplayer's timeline, with the indication of cursor position
                     // NB: use the same width/time ratio for all to ensure timing vertical correspondance
-                    DrawTimeline("##timeline_mediaplayer", mp->timeline(), mp->position(), width_ratio / fabs(mp->playSpeed()), framesize.y);
+
+                    if (mp->syncToMetronome() > Metronome::SYNC_NONE)
+                        DrawTimeline("##timeline_mediaplayer_bpm", mp->timeline(), mp->position(),
+                                     width_ratio / fabs(mp->playSpeed()), framesize.y,
+                                     Metronome::manager().tempo(), Metronome::manager().quantum());
+                    else
+                        DrawTimeline("##timeline_mediaplayer", mp->timeline(), mp->position(),
+                                     width_ratio / fabs(mp->playSpeed()), framesize.y);
 
                     if ( w > maxframewidth ) {