dlls/ddraw/dsurface/wndproc.c

   1 /*      User-based primary surface driver
   2  *
   3  * Copyright 2000 TransGaming Technologies Inc.
   4  *
   5  * This library is free software; you can redistribute it and/or
   6  * modify it under the terms of the GNU Lesser General Public
   7  * License as published by the Free Software Foundation; either
   8  * version 2.1 of the License, or (at your option) any later version.
   9  *
  10  * This library is distributed in the hope that it will be useful,
  11  * but WITHOUT ANY WARRANTY; without even the implied warranty of
  12  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
  13  * Lesser General Public License for more details.
  14  *
  15  * You should have received a copy of the GNU Lesser General Public
  16  * License along with this library; if not, write to the Free Software
  17  * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA  02111-1307  USA
  18  */
  19
  20 #include "config.h"
  21
  22 #include <assert.h>
  23 #include <stdlib.h>
  24 #include <string.h>
  25
  26 #include "winerror.h"
  27
  28 #include "ddraw_private.h"
  29 #include "dsurface/wndproc.h"
  30
  31 #include "wine/debug.h"
  32
  33 WINE_DEFAULT_DEBUG_CHANNEL(ddraw);
  34
  35 static LRESULT WINAPI DirectDrawSurface_WndProc(HWND hwnd, UINT msg, WPARAM wParam, LPARAM lParam);
  36
  37 void DirectDrawSurface_RegisterClass(void)
  38 {
  39     WNDCLASSA wc;
  40     memset(&wc, 0, sizeof(wc));
  41     wc.lpfnWndProc = DirectDrawSurface_WndProc;
  42     wc.cbWndExtra  = sizeof(IDirectDrawSurfaceImpl*);
  43     wc.hCursor     = (HCURSOR)IDC_ARROW;
  44     wc.lpszClassName = "WINE_DDRAW";
  45     RegisterClassA(&wc);
  46 }
  47
  48 void DirectDrawSurface_UnregisterClass(void)
  49 {
  50     UnregisterClassA("WINE_DDRAW", 0);
  51 }
  52
  53 static LRESULT WINAPI DirectDrawSurface_WndProc(HWND hwnd, UINT msg, WPARAM wParam, LPARAM lParam)
  54 {
  55     IDirectDrawSurfaceImpl *This;
  56     LRESULT ret;
  57
  58     This = (IDirectDrawSurfaceImpl *)GetWindowLongA(hwnd, 0);
  59     if (This) {
  60         HWND window = This->ddraw_owner->window;
  61
  62         switch (msg) {
  63         case WM_DESTROY:
  64         case WM_NCDESTROY:
  65         case WM_SHOWWINDOW:
  66         case WM_WINDOWPOSCHANGING:
  67         case WM_WINDOWPOSCHANGED:
  68         case WM_SIZE:
  69         case WM_MOVE:
  70         case WM_ERASEBKGND:
  71         case WM_SYNCPAINT:
  72             /* since we're pretending fullscreen,
  73              * let's not pass these on to the app */
  74             ret = DefWindowProcA(hwnd, msg, wParam, lParam);
  75             break;
  76         case WM_NCHITTEST:
  77             ret = HTCLIENT;
  78             break;
  79         case WM_MOUSEACTIVATE:
  80             ret = MA_NOACTIVATE;
  81             break;
  82         case WM_PAINT:
  83             {
  84                 PAINTSTRUCT ps;
  85                 HDC dc;
  86                 dc = BeginPaint(hwnd, &ps);
  87                 /* call User_copy_to_screen? */
  88                 EndPaint(hwnd, &ps);
  89                 ret = 0;
  90             }
  91             break;
  92         default:
  93             ret = window ? SendMessageA(window, msg, wParam, lParam)
  94                          : DefWindowProcA(hwnd, msg, wParam, lParam);
  95         }
  96     } else {
  97         if (msg == WM_CREATE) {
  98             CREATESTRUCTA *cs = (CREATESTRUCTA *)lParam;
  99             This = (IDirectDrawSurfaceImpl *)cs->lpCreateParams;
 100             SetWindowLongA(hwnd, 0, (LONG)This);
 101         }
 102         ret = DefWindowProcA(hwnd, msg, wParam, lParam);
 103     }
 104     return ret;
 105 }