cxFileViewer.h

Go to the documentation of this file.

// Copyright (c) 2026 E. Oulashin
#ifndef __CXFILEVIEWER_H__
#define __CXFILEVIEWER_H__
 
// Copyright (c) 2005-2007 Michael H. Kinney
 
// Creates a new window, opens a file, and
// displays it in that window.
 
#include "cxScrolledWindow.h"
#include "cxFunction.h"
#include <string>
#include <memory>
 
namespace cx {
 
class cxFileViewer : public cxScrolledWindow
{
 
   public:
      explicit cxFileViewer(cxWindow *pParentWindow, const std::string& pFilename,
                            int pRow = 0, int pCol = 0,
                            int pHeight = DEFAULT_HEIGHT,
                            int pWidth = DEFAULT_WIDTH);
 
      cxFileViewer(const cxFileViewer& pThatFileViewer);
 
      virtual ~cxFileViewer();
 
      virtual long show(bool pBringToTop = true, bool pShowSubwindows = true) override;
 
      void load();
 
      int widestLine();
 
      virtual std::string cxTypeStr() const override;
 
   protected:
      void copyCxFileViewerStuff(const cxFileViewer* pThatFileViewer);
 
   private:
      std::string mFilename;
 
      // Displays the line numbers in the bottom border
      void displayLineNumbers();
 
      // Calls displayLineNumbers() on a cxFileViewer.  This
      // function is to be used as the 'loop function' to be
      // run at the end of each cycle through the input loop
      // in the parent class.
      static std::string updateLineNumbers(cxFileViewer& pFileViewer);
 
      // Disable the use of setLoopEndFunction from the outside
      void setLoopEndFunction(const std::shared_ptr<cxFunction>& pFuncPtr) override;
};
 
} // namespace cx
 
#endif