message: Draw selection rectangle around selected gfx row
diff: @@ -423,14 +423,24 @@ void TraceWin::render_graph_row( const std::string &comm, const std::vector< uin
  imgui_drawrect( x0, x1 - x0, y, text_h, col_green );
  imgui_drawrect( x1, x2 - x1, y, text_h, col_red );
  + if ( gi.hovered_graph_event == ( uint32_t )-1 )
  + {
  if ( mousex >= x0 && mousex <= x2 && mousey >= y && mousey <= y + text_h )
  + {
  gi.hovered_graph_event = event0->id;
  + ImGui::GetWindowDrawList()->AddRect( ImVec2( x0, y ),
  + ImVec2( x2, y + text_h ),
  + IM_COL32( 0, 0, 0xff, 255 ) );
  + }
  + }
  +
  if ( dx >= imgui_scale( 16.0f ) )
  {
  float x = std::max( x0, gi.x ) + imgui_scale( 2.0f );
  - ImGui::GetWindowDrawList()->AddText( ImVec2( x, y ), IM_COL32_WHITE, event0->user_comm );
  + ImGui::GetWindowDrawList()->AddText( ImVec2( x, y + imgui_scale( 1.0f ) ),
  + IM_COL32_WHITE, event0->user_comm );
  }
  }
  }
  