main.cpp

#include <iostream>
#include <SDL.h>

int main()
{
//  uint32_t windowStyleSDL = SDL_WINDOW_VULKAN;
    SDL_SetHint("SDL_VIDEO_X11_REQUIRE_XRANDR", "1");  // workaround for misbuilt SDL libraries on X11.

//  SDL_SetHint(SDL_HINT_MOUSE_RELATIVE_MODE_SHOW_CURSOR, "1"); // When relative mouse mode is acive, don't hide cursor.
    SDL_SetHint(SDL_HINT_MOUSE_RELATIVE_MODE_WARP, "0"); // Don't warp the cursor to the center in relative mouse mode.

    if (SDL_Init((SDL_INIT_EVERYTHING ^ SDL_INIT_AUDIO) | SDL_INIT_NOPARACHUTE) != 0)
        std::cout << "SDL could not be inited.\n";

    SDL_version CompileTimeSDLVersion;
    SDL_version RunTimeSDLVersion;
    SDL_VERSION(&CompileTimeSDLVersion);
    SDL_GetVersion(&RunTimeSDLVersion);
    int SdlRevisionNum = SDL_GetRevisionNumber();
    const char *SdlRevision = SDL_GetRevision();
    std::cout <<  "Init SDL version: " << (unsigned int)RunTimeSDLVersion.major << "."
        << (unsigned int)RunTimeSDLVersion.minor << "." << (unsigned int)RunTimeSDLVersion.patch
        << " revision: " << SdlRevisionNum << " (" << SdlRevision << ") (compiled against: " << (unsigned int)CompileTimeSDLVersion.major
        << "." << (unsigned int)CompileTimeSDLVersion.minor << "."
        << (unsigned int)CompileTimeSDLVersion.patch << ")\n";

    const char *SdlVideoDriver = SDL_GetCurrentVideoDriver();
    if (SdlVideoDriver)
        std::cout << "Using SDL video driver: " << SdlVideoDriver << "\n";

    SDL_StartTextInput();

    const char *title = "Title";
    const char *message = "message";
    SDL_MessageBoxButtonData *buttons = new SDL_MessageBoxButtonData[2];
    buttons[0].flags = SDL_MESSAGEBOX_BUTTON_ESCAPEKEY_DEFAULT;
    buttons[0].text = "Yes";
    buttons[0].buttonid = 1;
    buttons[1].flags = SDL_MESSAGEBOX_BUTTON_ESCAPEKEY_DEFAULT;
    buttons[1].text = "No";
    buttons[1].buttonid = 0;

    SDL_MessageBoxData messageBoxData =
    {
            SDL_MESSAGEBOX_INFORMATION,
            NULL,
            title,
            message,
            2,
            buttons,
            NULL
    };

    int buttonPressed = -1;
    if (SDL_ShowMessageBox(&messageBoxData, &buttonPressed) == -1)
        std::cout << "Messagebox could not be shown\n";

    return 0;
}