imgui_user.h

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/******************************************************************************
** Copyright (c) 2020 MAK Technologies, Inc.
** All rights reserved.
******************************************************************************/


#pragma once

namespace ImGui
{

   IMGUI_API void PlotMultiLines(
      const char* label,
      int num_datas,
      const char** names,
      const ImColor* colors,
      float(*getter)(const void* data, int idx),
      const void * const * datas,
      int values_count,
      int values_offset,
      float scale_min,
      float scale_max,
      ImVec2 graph_size,
      const bool* labels = NULL);

   IMGUI_API void PlotMultiHistograms(
      const char* label,
      int num_hists,
      const char** names,
      const ImColor* colors,
      float(*getter)(const void* data, int idx),
      const void * const * datas,
      int values_count,
      float scale_min,
      float scale_max,
      ImVec2 graph_size);

// doesn't actually work yet
   IMGUI_API void ItemRowsBackground(float lineHeight = -1.0f, const ImColor& color = ImColor(20, 20, 20, 64));
   
//TDG: I know this is ugly but it avoids the need to put a pop tree in the right spot at the bottom of the if statement
// open to suggestions on how to improve this but this was the best I could come up with.
// this macro creates a DtScopedTreeNode and runs through the for loop once. The only reason it is a for loop is
// so it can base the destructor on the result of the treeNode function return variable.
#define IF_IMGUI_SCOPED_TREE_NODE(label) for (ImGui::DtScopedTreeNode scopedNode(label); scopedNode.nodeActive(); scopedNode.setNodeActive(false))
#define IF_IMGUI_SCOPED_TREE_NODE_EX(label, flags) for (ImGui::DtScopedTreeNodeEx scopedNode(label, flags); scopedNode.nodeActive(); scopedNode.setNodeActive(false))
   
   class IMGUI_API DtScopedTreeNode
   {
   public:
      DtScopedTreeNode(const char* label);

      ~DtScopedTreeNode();

      bool nodeActive();

      void setNodeActive(bool flag);
   
   protected:

      bool myNodeActive;
      bool myNodeActiveOriginal;
   };

   class IMGUI_API DtScopedTreeNodeEx
   {
   public:
      DtScopedTreeNodeEx(const char* label, ImGuiTreeNodeFlags flags);

      ~DtScopedTreeNodeEx();

      bool nodeActive();

      void setNodeActive(bool flag);

   protected:

      bool myNodeActive;
      bool myNodeActiveOriginal;

   };

} // namespace ImGui