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C++ TrackList::GetCount方法代码示例

本文整理汇总了C++中TrackList::GetCount方法的典型用法代码示例。如果您正苦于以下问题:C++ TrackList::GetCount方法的具体用法?C++ TrackList::GetCount怎么用?C++ TrackList::GetCount使用的例子?那么恭喜您, 这里精选的方法代码示例或许可以为您提供帮助。您也可以进一步了解该方法所在TrackList的用法示例。


在下文中一共展示了TrackList::GetCount方法的2个代码示例,这些例子默认根据受欢迎程度排序。您可以为喜欢或者感觉有用的代码点赞,您的评价将有助于系统推荐出更棒的C++代码示例。

示例1: Apply

bool SelectCommand::Apply(CommandExecutionContext context)
{
    wxString mode = GetString(wxT("Mode"));
    if (mode.IsSameAs(wxT("None")))
    {
        // select none
        context.proj->OnSelectNone();
    }
    else if (mode.IsSameAs(wxT("All")))
    {
        // select all
        context.proj->OnSelectAll();
    }
    else if (mode.IsSameAs(wxT("Range")))
    {
        // select range
        double t0 = GetDouble(wxT("StartTime"));
        double t1 = GetDouble(wxT("EndTime"));

        TrackList *tracks = context.proj->GetTracks();

        if (t0 < context.proj->GetTracks()->GetMinOffset())
        {
            Error(wxT("Start time is before start of track!"));
            return false;
        }
        if (t1 > context.proj->GetTracks()->GetEndTime())
        {
            Error(wxT("End time is after end of track!"));
            return false;
        }
        context.proj->mViewInfo.sel0 = t0;
        context.proj->mViewInfo.sel1 = t1;

        // select specified tracks
        long firstTrack = GetLong(wxT("FirstTrack"));
        long lastTrack = GetLong(wxT("LastTrack"));

        if (firstTrack < 0)
        {
            Error(wxT("Trying to select a negatively numbered track!"));
            return false;
        }
        if (lastTrack >= tracks->GetCount())
        {
            Error(wxT("Trying to select higher number track than exists!"));
            return false;
        }

        int index = 0;
        TrackListIterator iter(tracks);
        Track *t = iter.First();
        while (t) {
            bool sel = firstTrack <= index && index <= lastTrack;
            t->SetSelected(sel);

            if (sel)
                Status(wxT("Selected track '") + t->GetName() + wxT("'"));

            t = iter.Next();
            ++index;
        }
        wxASSERT(index >= lastTrack);
    }
    else if (mode.IsSameAs(wxT("Name")))
    {
        wxString name = GetString(wxT("TrackName"));
        TrackList *tracks = context.proj->GetTracks();
        TrackListIterator iter(tracks);
        Track *t = iter.First();
        while (t) {
            bool sel = t->GetName().IsSameAs(name);
            t->SetSelected(sel);

            if (sel)
                Status(wxT("Selected track '") + t->GetName() + wxT("'"));

            t = iter.Next();
        }
    }
    else
    {
        Error(wxT("Invalid selection mode!"));
        return false;
    }
    return true;
}
开发者ID:nicklecoder,项目名称:Audacity,代码行数:87,代码来源:SelectCommand.cpp

示例2: Apply

bool SelectCommand::Apply(CommandExecutionContext context)
{
   wxString mode = GetString(wxT("Mode"));
   if (mode.IsSameAs(wxT("None")))
   {
      // select none
      context.GetProject()->OnSelectNone();
   }
   else if (mode.IsSameAs(wxT("All")))
   {
      // select all
      context.GetProject()->OnSelectAll();
   }
   else if (mode.IsSameAs(wxT("Range")))
   {
      // select range
      double t0 = GetDouble(wxT("StartTime"));
      double t1 = GetDouble(wxT("EndTime"));

      TrackList *tracks = context.GetProject()->GetTracks();

      if (t0 < context.GetProject()->GetTracks()->GetMinOffset())
      {
         Error(wxT("Start time is before start of track!"));
         return false;
      }
      if (t1 > context.GetProject()->GetTracks()->GetEndTime())
      {
         Error(wxT("End time is after end of track!"));
         return false;
      }

      // PRL: to do: only setting time boundaries of current selection.
      // Should other fields be left alone, or rather
      // defaulted, as in the second branch?
      // Or should this command take more parameters?
#if 1
      context.GetProject()->mViewInfo.selectedRegion.setTimes(t0, t1);
#else
      context.GetProject()->mViewInfo.selectedRegion = SelectedRegion(t0, t1);
#endif

      // select specified tracks
      long firstTrack = GetLong(wxT("FirstTrack"));
      long lastTrack = GetLong(wxT("LastTrack"));

      if (firstTrack < 0)
      {
         Error(wxT("Trying to select a negatively numbered track!"));
         return false;
      }
      if (lastTrack >= tracks->GetCount())
      {
         Error(wxT("Trying to select higher number track than exists!"));
         return false;
      }

      int index = 0;
      TrackListIterator iter(tracks);
      Track *t = iter.First();
      while (t) {
         bool sel = firstTrack <= index && index <= lastTrack;
         t->SetSelected(sel);

         if (sel)
            Status(wxT("Selected track '") + t->GetName() + wxT("'"));

         t = iter.Next();
         ++index;
      }
      wxASSERT(index >= lastTrack);
   }
   else if (mode.IsSameAs(wxT("Name")))
   {
      wxString name = GetString(wxT("TrackName"));
      TrackList *tracks = context.GetProject()->GetTracks();
      TrackListIterator iter(tracks);
      Track *t = iter.First();
      while (t) {
         bool sel = t->GetName().IsSameAs(name);
         t->SetSelected(sel);

         if (sel)
            Status(wxT("Selected track '") + t->GetName() + wxT("'"));

         t = iter.Next();
      }
   }
   else
   {
      Error(wxT("Invalid selection mode!"));
      return false;
   }
   return true;
}
开发者ID:forssil,项目名称:thirdpartysource,代码行数:95,代码来源:SelectCommand.cpp


注:本文中的TrackList::GetCount方法示例由纯净天空整理自Github/MSDocs等开源代码及文档管理平台,相关代码片段筛选自各路编程大神贡献的开源项目,源码版权归原作者所有,传播和使用请参考对应项目的License;未经允许,请勿转载。