NativeLinux.cpp

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// ----------------------------------------------------------------------------
// -                        CloudViewer: www.cloudViewer.org                  -
// ----------------------------------------------------------------------------
// Copyright (c) 2018-2024 www.cloudViewer.org
// SPDX-License-Identifier: MIT
// ----------------------------------------------------------------------------
 
#include <GLFW/glfw3.h>
 
#include "Application.h"
#include "Native.h"
#define GLFW_EXPOSE_NATIVE_X11 1
#ifdef CLOUDVIEWER_GLFW_HAS_WAYLAND
#define GLFW_EXPOSE_NATIVE_WAYLAND 1
#endif
#include <GLFW/glfw3native.h>
#include <memory.h>
 
namespace cloudViewer {
namespace visualization {
namespace gui {
 
void* GetNativeDrawable(GLFWwindow* glfw_window) {
    const int platform = glfwGetPlatform();
    if (platform == GLFW_PLATFORM_X11) {
        return (void*)glfwGetX11Window(glfw_window);
    }
#ifdef CLOUDVIEWER_GLFW_HAS_WAYLAND
    else if (platform == GLFW_PLATFORM_WAYLAND) {
        return (void*)glfwGetWaylandWindow(glfw_window);
    }
#endif
    else {
        return nullptr;
    }
}
 
void PostNativeExposeEvent(GLFWwindow* glfw_window) {
    const int platform = glfwGetPlatform();
 
    if (platform == GLFW_PLATFORM_X11) {
        Display* d = glfwGetX11Display();
        auto x11win = glfwGetX11Window(glfw_window);
 
        XEvent e;
        memset(&e, 0, sizeof(e));
        e.type = Expose;
        e.xexpose.window = x11win;
 
        XSendEvent(d, x11win, False, ExposureMask, &e);
        XFlush(d);
    }
}
 
void ShowNativeAlert(const char* message) {
    // Linux doesn't have a native alert
    Application::GetInstance().ShowMessageBox("Alert", message);
}
 
}  // namespace gui
}  // namespace visualization
}  // namespace cloudViewer