shithub: cstory

ref: f0e1119a91a1b21e91e9a86c7a3213ba6279ee49
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