mirror of
https://github.com/reactos/reactos.git
synced 2024-07-11 23:25:09 +00:00
adding more seh protection to the code
svn path=/trunk/; revision=27036
This commit is contained in:
Magnus Olsen
parent
958b55cf2c
commit
8d0428bfbd
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@ -10,45 +10,57 @@
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#include "rosdraw.h"
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/* PSEH for SEH Support */
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#include <pseh/pseh.h>
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HRESULT WINAPI
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Main_DirectDraw_SetCooperativeLevel (LPDIRECTDRAW7 iface, HWND hwnd, DWORD cooplevel)
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{
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DX_WINDBG_trace();
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/*
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/*
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* Code from wine, this functions have been cut and paste from wine 0.9.35
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* and have been modify allot and are still in devloping so it match with
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* msdn document struct and flags
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*/
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HRESULT retVal = DD_OK;
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HWND window;
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LPDDRAWI_DIRECTDRAW_INT This = (LPDDRAWI_DIRECTDRAW_INT)iface;
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/* Get the old window */
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window = (HWND) This->lpLcl->hWnd;
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#if 0 // this check is totally invalid if you ask me - mbosma
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if(!window)
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DX_WINDBG_trace();
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_SEH_TRY
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{
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return DDERR_NOHWND;
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}
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/* Get the old window */
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window = (HWND) This->lpLcl->hWnd;
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#if 0 // this check is totally invalid if you ask me - mbosma
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if(!window)
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{
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retVal = DDERR_NOHWND;
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_SEH_LEAVE;
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}
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#endif
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if(hwnd && !IsWindow(hwnd))
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return DDERR_INVALIDPARAMS;
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if(hwnd && !IsWindow(hwnd))
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{
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retVal = DDERR_INVALIDPARAMS;
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_SEH_LEAVE;
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}
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/* Tests suggest that we need one of them: */
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if(!(cooplevel & (DDSCL_SETFOCUSWINDOW |
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/* Tests suggest that we need one of them: */
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if(!(cooplevel & (DDSCL_SETFOCUSWINDOW |
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DDSCL_NORMAL |
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DDSCL_EXCLUSIVE )))
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{
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return DDERR_INVALIDPARAMS;
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}
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{
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retVal = DDERR_INVALIDPARAMS;
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_SEH_LEAVE;
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}
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/* Handle those levels first which set various hwnds */
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if(cooplevel & DDSCL_SETFOCUSWINDOW)
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{
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/* This isn't compatible with a lot of flags */
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if(cooplevel & ( DDSCL_MULTITHREADED |
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/* Handle those levels first which set various hwnds */
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if(cooplevel & DDSCL_SETFOCUSWINDOW)
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{
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/* This isn't compatible with a lot of flags */
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if(cooplevel & ( DDSCL_MULTITHREADED |
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DDSCL_FPUSETUP |
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DDSCL_FPUPRESERVE |
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DDSCL_ALLOWREBOOT |
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@ -57,123 +69,138 @@ Main_DirectDraw_SetCooperativeLevel (LPDIRECTDRAW7 iface, HWND hwnd, DWORD coopl
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DDSCL_NORMAL |
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DDSCL_EXCLUSIVE |
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DDSCL_FULLSCREEN ) )
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{
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return DDERR_INVALIDPARAMS;
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{
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retVal = DDERR_INVALIDPARAMS;
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_SEH_LEAVE;
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}
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else if(This->lpLcl->dwLocalFlags & DDRAWILCL_SETCOOPCALLED)
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{
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retVal = DDERR_HWNDALREADYSET;
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_SEH_LEAVE;
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}
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else if( (This->lpLcl->dwLocalFlags & DDRAWILCL_ISFULLSCREEN) && window)
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{
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retVal = DDERR_HWNDALREADYSET;
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_SEH_LEAVE;
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}
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This->lpLcl->hFocusWnd = (ULONG_PTR) hwnd;
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/* Won't use the hwnd param for anything else */
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hwnd = NULL;
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/* Use the focus window for drawing too */
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This->lpLcl->hWnd = This->lpLcl->hFocusWnd;
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}
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else if(This->lpLcl->dwLocalFlags & DDRAWILCL_SETCOOPCALLED)
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/* DDSCL_NORMAL or DDSCL_FULLSCREEN | DDSCL_EXCLUSIVE */
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if(cooplevel & DDSCL_NORMAL)
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{
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return DDERR_HWNDALREADYSET;
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}
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else if( (This->lpLcl->dwLocalFlags & DDRAWILCL_ISFULLSCREEN) && window)
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{
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return DDERR_HWNDALREADYSET;
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}
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/* Can't coexist with fullscreen or exclusive */
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if(cooplevel & (DDSCL_FULLSCREEN | DDSCL_EXCLUSIVE) )
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{
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retVal = DDERR_INVALIDPARAMS;
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_SEH_LEAVE;
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}
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This->lpLcl->hFocusWnd = (ULONG_PTR) hwnd;
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/* Switching from fullscreen? */
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if(This->lpLcl->dwLocalFlags & DDRAWILCL_ISFULLSCREEN)
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{
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/* Restore the display mode */
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Main_DirectDraw_RestoreDisplayMode(iface);
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This->lpLcl->dwLocalFlags &= ~DDRAWILCL_ISFULLSCREEN;
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This->lpLcl->dwLocalFlags &= ~DDRAWILCL_HASEXCLUSIVEMODE;
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This->lpLcl->dwLocalFlags &= ~DDRAWILCL_ALLOWMODEX;
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}
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/* Won't use the hwnd param for anything else */
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hwnd = NULL;
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/* Don't override focus windows or private device windows */
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if( hwnd &&
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!(This->lpLcl->hFocusWnd) &&
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!(This->lpLcl->dwObsolete1) &&
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(hwnd != window) )
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{
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This->lpLcl->hWnd = (ULONG_PTR)hwnd;
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}
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/* Use the focus window for drawing too */
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This->lpLcl->hWnd = This->lpLcl->hFocusWnd;
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}
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/* DDSCL_NORMAL or DDSCL_FULLSCREEN | DDSCL_EXCLUSIVE */
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if(cooplevel & DDSCL_NORMAL)
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{
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/* Can't coexist with fullscreen or exclusive */
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if(cooplevel & (DDSCL_FULLSCREEN | DDSCL_EXCLUSIVE) )
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return DDERR_INVALIDPARAMS;
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/* Switching from fullscreen? */
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if(This->lpLcl->dwLocalFlags & DDRAWILCL_ISFULLSCREEN)
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{
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/* Restore the display mode */
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Main_DirectDraw_RestoreDisplayMode(iface);
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This->lpLcl->dwLocalFlags &= ~DDRAWILCL_ISFULLSCREEN;
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This->lpLcl->dwLocalFlags &= ~DDRAWILCL_HASEXCLUSIVEMODE;
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This->lpLcl->dwLocalFlags &= ~DDRAWILCL_ALLOWMODEX;
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}
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/* Don't override focus windows or private device windows */
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if( hwnd &&
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!(This->lpLcl->hFocusWnd) &&
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!(This->lpLcl->dwObsolete1) &&
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(hwnd != window) )
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{
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This->lpLcl->hWnd = (ULONG_PTR)hwnd;
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}
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/* FIXME GL
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IWineD3DDevice_SetFullscreen(This->wineD3DDevice,
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FALSE);
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*/
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}
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else if(cooplevel & DDSCL_FULLSCREEN)
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{
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/* Needs DDSCL_EXCLUSIVE */
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if(!(cooplevel & DDSCL_EXCLUSIVE) )
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return DDERR_INVALIDPARAMS;
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/* Switch from normal to full screen mode? */
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if (!(This->lpLcl->dwLocalFlags & DDRAWILCL_HASEXCLUSIVEMODE))
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{
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/* FIXME GL
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IWineD3DDevice_SetFullscreen(This->wineD3DDevice,
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TRUE);
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IWineD3DDevice_SetFullscreen(This->wineD3DDevice,
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FALSE);
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*/
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}
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}
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else if(cooplevel & DDSCL_FULLSCREEN)
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{
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/* Needs DDSCL_EXCLUSIVE */
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if(!(cooplevel & DDSCL_EXCLUSIVE) )
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{
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retVal = DDERR_INVALIDPARAMS;
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_SEH_LEAVE;
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}
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/* Don't override focus windows or private device windows */
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if( hwnd &&
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!(This->lpLcl->hFocusWnd) &&
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!(This->lpLcl->dwObsolete1) &&
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(hwnd != window) )
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{
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This->lpLcl->hWnd = (ULONG_PTR) hwnd;
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}
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}
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else if(cooplevel & DDSCL_EXCLUSIVE)
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{
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return DDERR_INVALIDPARAMS;
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}
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/* Switch from normal to full screen mode? */
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if (!(This->lpLcl->dwLocalFlags & DDRAWILCL_HASEXCLUSIVEMODE))
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{
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/* FIXME GL
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IWineD3DDevice_SetFullscreen(This->wineD3DDevice,
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TRUE);
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*/
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}
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if(cooplevel & DDSCL_CREATEDEVICEWINDOW)
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{
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/* Don't create a device window if a focus window is set */
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if( !This->lpLcl->hFocusWnd)
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{
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HWND devicewindow = CreateWindowExW(0, classname, L"DDraw device window",
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/* Don't override focus windows or private device windows */
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if( hwnd &&
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!(This->lpLcl->hFocusWnd) &&
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!(This->lpLcl->dwObsolete1) &&
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(hwnd != window) )
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{
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This->lpLcl->hWnd = (ULONG_PTR) hwnd;
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}
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}
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else if(cooplevel & DDSCL_EXCLUSIVE)
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{
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retVal = DDERR_INVALIDPARAMS;
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_SEH_LEAVE;
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}
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if(cooplevel & DDSCL_CREATEDEVICEWINDOW)
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{
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/* Don't create a device window if a focus window is set */
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if( !This->lpLcl->hFocusWnd)
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{
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HWND devicewindow = CreateWindowExW(0, classname, L"DDraw device window",
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WS_POPUP, 0, 0,
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GetSystemMetrics(SM_CXSCREEN),
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GetSystemMetrics(SM_CYSCREEN),
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NULL, NULL, GetModuleHandleW(0), NULL);
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ShowWindow(devicewindow, SW_SHOW); /* Just to be sure */
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ShowWindow(devicewindow, SW_SHOW); /* Just to be sure */
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This->lpLcl->dwObsolete1 = (DWORD)devicewindow;
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}
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This->lpLcl->dwObsolete1 = (DWORD)devicewindow;
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}
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}
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if(cooplevel & DDSCL_MULTITHREADED && !(This->lpLcl->dwLocalFlags & DDRAWILCL_MULTITHREADED))
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{
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/* FIXME GL
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* IWineD3DDevice_SetMultithreaded(This->wineD3DDevice);
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*/
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}
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/* Store the cooperative_level */
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/* FIXME GL
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* This->cooperative_level |= cooplevel;
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*/
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}
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if(cooplevel & DDSCL_MULTITHREADED && !(This->lpLcl->dwLocalFlags & DDRAWILCL_MULTITHREADED))
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_SEH_HANDLE
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{
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/* FIXME GL
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* IWineD3DDevice_SetMultithreaded(This->wineD3DDevice);
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*/
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}
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_SEH_END;
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/* Store the cooperative_level */
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/* FIXME GL
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* This->cooperative_level |= cooplevel;
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*/
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return DD_OK;
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return retVal;
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}
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