view.hpp

/** Copyright (c) 2021 Nikolai Wuttke
  *
  * Permission is hereby granted, free of charge, to any person obtaining a copy
  * of this software and associated documentation files (the "Software"), to deal
  * in the Software without restriction, including without limitation the rights
  * to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
  * copies of the Software, and to permit persons to whom the Software is
  * furnished to do so, subject to the following conditions:
  *
  * The above copyright notice and this permission notice shall be included in all
  * copies or substantial portions of the Software.
  *
  * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
  * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
  * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
  * AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
  * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
  * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
  * SOFTWARE.
  */

#pragma once

#include "imgui.h"

#include <cstdio>
#include <string>
#include <optional>
#include <variant>
#include <vector>


class View {
public:
  View(
    std::string windowTitle,
    std::string inputTextOrScriptFile,
    bool showYesNoButtons,
    bool wrapLines,
    bool inpuTextIsScriptFile);
  ~View();

  std::optional<int> draw(const ImVec2& windowSize);

private:
  bool fetchScriptOutput();
  void closeScriptPipe();

  std::string mTitle;
  std::variant<std::string, std::vector<std::string>> mText;
  FILE* mpScriptPipe;
  int mScriptPipeFd;

  std::optional<int> mExitCode;
  bool mShowYesNoButtons;
};