shithub: cstory

ref: b1a706c31266a752fa2a3e84c11eb46e312fbed5
dir: /external/SDL2/test/testnativew32.c/

/*
  Copyright (C) 1997-2019 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