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// Copyright (c) 2010-2026, Lawrence Livermore National Security, LLC. Produced
// at the Lawrence Livermore National Laboratory. All Rights reserved. See files
// LICENSE and NOTICE for details. LLNL-CODE-443271.
//
// This file is part of the GLVis visualization tool and library. For more
// information and source code availability see https://glvis.org.
//
// GLVis is free software; you can redistribute it and/or modify it under the
// terms of the BSD-3 license. We welcome feedback and contributions, see file
// CONTRIBUTING.md for details.
#ifndef GLVIS_WINDOW_HPP
#define GLVIS_WINDOW_HPP
#include <string>
#include "data_state.hpp"
#include "stream_reader.hpp"
class GLWindow;
class VisualizationSceneScalarData;
class communication_thread;
class GLVisCommand;
struct Window
{
private:
struct
{
std::unique_ptr<GLWindow> wnd;
std::unique_ptr<VisualizationSceneScalarData> vs;
std::unique_ptr<communication_thread> comm_thread;
std::unique_ptr<GLVisCommand> glvis_command;
} internal;
public:
DataState data_state;
const std::unique_ptr<GLWindow> &wnd{internal.wnd};
const std::unique_ptr<VisualizationSceneScalarData> &vs{internal.vs};
const std::unique_ptr<communication_thread> &comm_thread {internal.comm_thread};
const std::unique_ptr<GLVisCommand> &glvis_command{internal.glvis_command};
int window_x = 0; // not a command line option
int window_y = 0; // not a command line option
int window_w = 400;
int window_h = 350;
const char *window_title = nullptr;
bool headless = false;
std::string plot_caption;
std::string extra_caption;
Window() = default;
Window(Window &&w) { *this = std::move(w); }
Window& operator=(Window &&w);
/// Visualize the data in the global variables mesh, sol/grid_f, etc
bool GLVisInitVis(StreamCollection input_streams);
void GLVisStartVis();
/// Switch the complex function representation and update the visualization
void SwitchComplexSolution(DataState::ComplexSolution type);
/// Switch the quadrature function representation and update the visualization
void SwitchQuadSolution(DataState::QuadSolution type);
/// Update complex phase of the solution and update the visualization
void UpdateComplexPhase(double ph);
/// Sets a new mesh and solution from another DataState object, and
/// updates the VisualizationScene with the new data.
///
/// Mesh space and grid function dimensions must both match the original
/// dimensions of the current DataState. If there is a mismatch in either
/// value, the function will return false, and the mesh/solution will not be
/// updated.
bool SetNewMeshAndSolution(DataState new_state);
/// Switch representation of the solution
static void SwitchSolution();
private:
/// Thread-local singleton for key handlers
static thread_local Window *locwin;
/// Switch representation of the complex function
static void SwitchComplexSolution();
/// Switch representation of the quadrature function
static void SwitchQuadSolution();
/// Updates the VisualizationScene with the new data of the given DataState object.
/// @note: Use with caution when the update is compatible
/// @see SetNewMeshAndSolution()
void ResetMeshAndSolution(DataState &ss);
};
#endif // GLVIS_WINDOW_HPP
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