shithub: cstory

ref: 84d6b50bc2db92dc695177445b2eb39e4b861a39
dir: /external/SDL2/test/testnativew32.c/

/*
  Copyright (C) 1997-2020 Sam Lantinga <slouken@libsdl.org>

  This software is provided 'as-is', without any express or implied
  warranty.  In no event will the authors be held liable for any damages
  arising from the use of this software.

  Permission is granted to anyone to use this software for any purpose,
  including commercial applications, and to alter it and redistribute it
  freely.
*/

#include "testnative.h"

#ifdef TEST_NATIVE_WINDOWS

static void *CreateWindowNative(int w, int h);
static void DestroyWindowNative(void *window);

NativeWindowFactory WindowsWindowFactory = {
    "windows",
    CreateWindowNative,
    DestroyWindowNative
};

LRESULT CALLBACK
WndProc(HWND hwnd, UINT msg, WPARAM wParam, LPARAM lParam)
{
    switch (msg) {
    case WM_CLOSE:
        DestroyWindow(hwnd);
        break;
    case WM_DESTROY:
        PostQuitMessage(0);
        break;
    default:
        return DefWindowProc(hwnd, msg, wParam, lParam);
    }
    return 0;
}

static void *
CreateWindowNative(int w, int h)
{
    HWND hwnd;
    WNDCLASS wc;

    wc.style = 0;
    wc.lpfnWndProc = WndProc;
    wc.cbClsExtra = 0;
    wc.cbWndExtra = 0;
    wc.hInstance = GetModuleHandle(NULL);
    wc.hIcon = LoadIcon(NULL, IDI_APPLICATION);
    wc.hCursor = LoadCursor(NULL, IDC_ARROW);
    wc.hbrBackground = (HBRUSH) (COLOR_WINDOW + 1);
    wc.lpszMenuName = NULL;
    wc.lpszClassName = "SDL Test";

    if (!RegisterClass(&wc)) {
        MessageBox(NULL, "Window Registration Failed!", "Error!",
                   MB_ICONEXCLAMATION | MB_OK);
        return 0;
    }

    hwnd =
        CreateWindow("SDL Test", "", WS_OVERLAPPEDWINDOW, CW_USEDEFAULT,
                     CW_USEDEFAULT, w, h, NULL, NULL, GetModuleHandle(NULL),
                     NULL);
    if (hwnd == NULL) {
        MessageBox(NULL, "Window Creation Failed!", "Error!",
                   MB_ICONEXCLAMATION | MB_OK);
        return 0;
    }

    ShowWindow(hwnd, SW_SHOW);

    return hwnd;
}

static void
DestroyWindowNative(void *window)
{
    DestroyWindow((HWND) window);
}

#endif