Native.h

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// ----------------------------------------------------------------------------
// -                        Open3D: www.open3d.org                            -
// ----------------------------------------------------------------------------
// Copyright (c) 2018-2026 www.open3d.org
// SPDX-License-Identifier: MIT
// ----------------------------------------------------------------------------
 
#pragma once
 
#include <string>
#include <vector>
 
#include "FileDialog.h"
 
struct GLFWwindow;
 
namespace open3d {
namespace visualization {
namespace gui {
 
void* GetNativeDrawable(GLFWwindow* glfw_window);
// GLFW uses the generic Windows application icon unless the native window is
// assigned the icon embedded in the executable.
#ifdef _WIN32
void SetNativeWindowIcon(GLFWwindow* glfw_window);
#endif  // _WIN32
// Note that Windows cannot post an expose event so it must draw immediately.
// Therefore this function cannot be called while drawing.
void PostNativeExposeEvent(GLFWwindow* glfw_window);
void ShowNativeAlert(const char* message);
 
#ifdef __APPLE__
void MacTransformIntoApp();
void SetNativeMenubar(void* menubar);
// Synchronize the CAMetalLayer's drawableSize and contentsScale with the
// window's current backing-store pixel dimensions after the window resizes
// or moves to a different display (Retina ↔ non-Retina).  Must be called
// before recreating the Filament swap chain so drawable and viewport agree.
void ResizeNativeWindow(GLFWwindow* glfw_window);
#endif  // __APPLE_
 
#if defined(__APPLE__) || defined(_WIN32)
void ShowNativeFileDialog(
        FileDialog::Mode mode,
        const std::string& path,
        const std::vector<std::pair<std::string, std::string>>& filters,
        std::function<void(const char*)> on_ok,
        std::function<void()> on_cancel);
#endif  // __APPLE__ || _WIN32
 
}  // namespace gui
}  // namespace visualization
}  // namespace open3d