capicon.c

Go to the documentation of this file.

/*
 *  Copyright 2006 Saveliy Tretiakov
 *
 *  This program is free software; you can redistribute it and/or modify
 *  it under the terms of the GNU General Public License as published by
 *  the Free Software Foundation; either version 2 of the License, or
 *  (at your option) any later version.
 *
 *  This program is distributed in the hope that it will be useful,
 *  but WITHOUT ANY WARRANTY; without even the implied warranty of
 *  MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
 *  GNU General Public License for more details.
 *
 *  You should have received a copy of the GNU General Public License
 *  along with this program; if not, write to the Free Software
 *  Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
 */
 
#include "windows.h"
#include "stdio.h"
#include "resource.h"
 
WCHAR WndClass[] = L"capicon_class";
 
HINSTANCE hInst;
INT testnum = 0;
 
 
LRESULT CALLBACK WndProc(HWND hWnd,
                             UINT msg,
                             WPARAM wParam,
                             LPARAM lParam)
{
   HICON hIcon;
 
    switch (msg)
    {
       case WM_GETICON:
          if(testnum>2)
          {
             if(wParam == ICON_SMALL)
                hIcon = LoadIcon(hInst, MAKEINTRESOURCE(ID_ICON2SM));
             else if(wParam == ICON_BIG)
                hIcon = LoadIcon(hInst, MAKEINTRESOURCE(ID_ICON2BIG));
             else hIcon = (HICON)1;
 
             if(!hIcon)
             {
                printf("LoadIcon() failed: %d\n", (INT)GetLastError());
                break;
             }
 
             return (LRESULT)hIcon;
          }
          break;
 
        case WM_DESTROY:
            PostQuitMessage(0);
            return 0;
    }
 
    return DefWindowProc(hWnd, msg, wParam, lParam);
}
 
 
int wmain(int argc, wchar_t**argv)
{
    HWND hWnd;
    MSG msg;
    WNDCLASSEX wcx;
    UINT result;
 
    if(argc<2)
    {
        printf("DrawCaption icon test.\n");
        printf("USAGE: drawcap.exe <testnumber>\n\n");
        printf("Available tests:\n"
            "1. Class small icon\n"
            "2. Class big icon\n"
            "3. Class small icon + WM_GETICON\n"
            "4. Class big icon + WM_GETICON\n"
            "5. WM_GETICON only\n\n");
        return 0;
    }
 
    testnum = _wtoi(argv[1]);
    if(testnum < 1 || testnum > 5)
    {
        printf("Unknown test %d\n", testnum);
        return 1;
    }
 
    hInst = GetModuleHandle(NULL);
 
    memset(&wcx, 0, sizeof(wcx));
    wcx.cbSize = sizeof(wcx);
    wcx.style = CS_HREDRAW | CS_VREDRAW;
    wcx.lpfnWndProc = (WNDPROC) WndProc;
    wcx.hInstance = hInst;
    wcx.hbrBackground = (HBRUSH)COLOR_WINDOW;
    wcx.lpszClassName = WndClass;
    if(testnum<5)wcx.hIcon = LoadIcon(hInst, MAKEINTRESOURCE(ID_ICON1BIG));
    if(testnum == 1 || testnum == 3)
       wcx.hIconSm = LoadIcon(hInst, MAKEINTRESOURCE(ID_ICON1SM));
 
    if(!(result = RegisterClassEx(&wcx)))
    {
        printf("Shit! RegisterClassEx failed: %d\n",
            (int)GetLastError());
        return 1;
    }
 
    hWnd = CreateWindowEx(0,
                WndClass,
                L"DrawCaption icon test",
                WS_OVERLAPPED|WS_THICKFRAME|WS_SYSMENU,
                CW_USEDEFAULT,
                CW_USEDEFAULT,
                250,
                100,
                NULL,
                0,
                hInst,
                NULL);
 
    if(!hWnd)
    {
        printf("Shit! Can't create wnd!\n");
        UnregisterClass(WndClass, hInst);
        return 1;
    }
 
 
    ShowWindow(hWnd, SW_SHOW);
    UpdateWindow(hWnd);
 
    while(GetMessage(&msg, NULL, 0, 0 ))
    {
        TranslateMessage(&msg);
        DispatchMessage(&msg);
    }
 
    UnregisterClass(WndClass, hInst);
    return 0;
}