mirror of
https://github.com/reactos/reactos.git
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4553986560
Bets are open : will this break anything? svn path=/branches/reactos-yarotows/; revision=48024
2049 lines
48 KiB
C
2049 lines
48 KiB
C
/*
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* COPYRIGHT: See COPYING in the top level directory
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* PROJECT: ReactOS kernel
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* PURPOSE: Window painting function
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* FILE: subsys/win32k/ntuser/painting.c
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* PROGRAMER: Filip Navara (xnavara@volny.cz)
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* REVISION HISTORY:
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* 06/06/2001 Created (?)
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* 18/11/2003 Complete rewrite
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*/
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/* INCLUDES ******************************************************************/
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#include <win32k.h>
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#define NDEBUG
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#include <debug.h>
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/* PRIVATE FUNCTIONS **********************************************************/
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/**
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* @name IntIntersectWithParents
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*
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* Intersect window rectangle with all parent client rectangles.
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*
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* @param Child
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* Pointer to child window to start intersecting from.
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* @param WindowRect
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* Pointer to rectangle that we want to intersect in screen
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* coordinates on input and intersected rectangle on output (if TRUE
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* is returned).
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*
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* @return
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* If any parent is minimized or invisible or the resulting rectangle
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* is empty then FALSE is returned. Otherwise TRUE is returned.
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*/
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BOOL FASTCALL
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IntIntersectWithParents(PWINDOW_OBJECT Child, RECTL *WindowRect)
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{
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PWINDOW_OBJECT ParentWindow;
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PWND ParentWnd;
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ParentWindow = Child->spwndParent;
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while (ParentWindow != NULL)
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{
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ParentWnd = ParentWindow->Wnd;
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if (!(ParentWnd->style & WS_VISIBLE) ||
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(ParentWnd->style & WS_MINIMIZE))
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{
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return FALSE;
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}
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if (!RECTL_bIntersectRect(WindowRect, WindowRect, &ParentWnd->rcClient))
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{
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return FALSE;
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}
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/* FIXME: Layered windows. */
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ParentWindow = ParentWindow->spwndParent;
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}
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return TRUE;
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}
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BOOL FASTCALL
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IntValidateParent(PWINDOW_OBJECT Child, HRGN hValidateRgn, BOOL Recurse)
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{
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PWINDOW_OBJECT ParentWindow = Child->spwndParent;
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PWND ParentWnd;
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while (ParentWindow)
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{
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ParentWnd = ParentWindow->Wnd;
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if (ParentWnd->style & WS_CLIPCHILDREN)
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break;
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if (ParentWindow->hrgnUpdate != 0)
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{
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if (Recurse)
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return FALSE;
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IntInvalidateWindows( ParentWindow,
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hValidateRgn,
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RDW_VALIDATE | RDW_NOCHILDREN);
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}
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ParentWindow = ParentWindow->spwndParent;
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}
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return TRUE;
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}
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/**
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* @name IntCalcWindowRgn
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*
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* Get a window or client region.
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*/
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HRGN FASTCALL
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IntCalcWindowRgn(PWINDOW_OBJECT Window, BOOL Client)
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{
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PWND Wnd;
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HRGN hRgnWindow;
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UINT RgnType;
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Wnd = Window->Wnd;
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if (Client)
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hRgnWindow = IntSysCreateRectRgnIndirect(&Wnd->rcClient);
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else
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hRgnWindow = IntSysCreateRectRgnIndirect(&Wnd->rcWindow);
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if (Window->hrgnClip != NULL && !(Wnd->style & WS_MINIMIZE))
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{
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NtGdiOffsetRgn(hRgnWindow,
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-Wnd->rcWindow.left,
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-Wnd->rcWindow.top);
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RgnType = NtGdiCombineRgn(hRgnWindow, hRgnWindow, Window->hrgnClip, RGN_AND);
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NtGdiOffsetRgn(hRgnWindow,
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Wnd->rcWindow.left,
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Wnd->rcWindow.top);
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}
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return hRgnWindow;
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}
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/**
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* @name IntGetNCUpdateRgn
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*
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* Get non-client update region of a window and optionally validate it.
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*
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* @param Window
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* Pointer to window to get the NC update region from.
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* @param Validate
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* Set to TRUE to force validating the NC update region.
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*
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* @return
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* Handle to NC update region. The caller is responsible for deleting
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* it.
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*/
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HRGN FASTCALL
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IntGetNCUpdateRgn(PWINDOW_OBJECT Window, BOOL Validate)
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{
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HRGN hRgnNonClient;
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HRGN hRgnWindow;
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UINT RgnType;
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if (Window->hrgnUpdate != NULL &&
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Window->hrgnUpdate != (HRGN)1)
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{
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hRgnNonClient = IntCalcWindowRgn(Window, FALSE);
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/*
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* If region creation fails it's safe to fallback to whole
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* window region.
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*/
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if (hRgnNonClient == NULL)
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{
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return (HRGN)1;
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}
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hRgnWindow = IntCalcWindowRgn(Window, TRUE);
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if (hRgnWindow == NULL)
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{
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REGION_FreeRgnByHandle(hRgnNonClient);
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return (HRGN)1;
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}
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RgnType = NtGdiCombineRgn(hRgnNonClient, hRgnNonClient,
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hRgnWindow, RGN_DIFF);
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if (RgnType == ERROR)
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{
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REGION_FreeRgnByHandle(hRgnWindow);
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REGION_FreeRgnByHandle(hRgnNonClient);
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return (HRGN)1;
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}
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else if (RgnType == NULLREGION)
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{
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REGION_FreeRgnByHandle(hRgnWindow);
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REGION_FreeRgnByHandle(hRgnNonClient);
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return NULL;
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}
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/*
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* Remove the nonclient region from the standard update region if
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* we were asked for it.
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*/
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if (Validate)
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{
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if (NtGdiCombineRgn(Window->hrgnUpdate, Window->hrgnUpdate,
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hRgnWindow, RGN_AND) == NULLREGION)
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{
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IntGdiSetRegionOwner(Window->hrgnUpdate, GDI_OBJ_HMGR_POWNED);
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REGION_FreeRgnByHandle(Window->hrgnUpdate);
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Window->hrgnUpdate = NULL;
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if (!(Window->Wnd->state & WNDS_INTERNALPAINT))
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MsqDecPaintCountQueue(Window->pti->MessageQueue);
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}
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}
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REGION_FreeRgnByHandle(hRgnWindow);
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return hRgnNonClient;
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}
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else
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{
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return Window->hrgnUpdate;
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}
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}
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/*
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* IntPaintWindows
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*
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* Internal function used by IntRedrawWindow.
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*/
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VOID FASTCALL
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co_IntPaintWindows(PWINDOW_OBJECT Window, ULONG Flags, BOOL Recurse)
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{
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HDC hDC;
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HWND hWnd = Window->hSelf;
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HRGN TempRegion;
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PWND Wnd;
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Wnd = Window->Wnd;
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if (Flags & (RDW_ERASENOW | RDW_UPDATENOW))
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{
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if (Window->hrgnUpdate)
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{
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if (!IntValidateParent(Window, Window->hrgnUpdate, Recurse))
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return;
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}
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if (Flags & RDW_UPDATENOW)
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{
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if (Window->hrgnUpdate != NULL ||
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Wnd->state & WNDS_INTERNALPAINT)
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{
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co_IntSendMessage(hWnd, WM_PAINT, 0, 0);
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}
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}
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else
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{
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if (Window->state & WINDOWOBJECT_NEED_NCPAINT)
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{
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TempRegion = IntGetNCUpdateRgn(Window, TRUE);
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Window->state &= ~WINDOWOBJECT_NEED_NCPAINT;
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MsqDecPaintCountQueue(Window->pti->MessageQueue);
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co_IntSendMessage(hWnd, WM_NCPAINT, (WPARAM)TempRegion, 0);
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if ( (HANDLE) 1 != TempRegion &&
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NULL != TempRegion)
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{
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/* NOTE: The region can already be deleted! */
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GDIOBJ_FreeObjByHandle(TempRegion, GDI_OBJECT_TYPE_REGION | GDI_OBJECT_TYPE_SILENT);
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}
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}
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if (Window->state & WINDOWOBJECT_NEED_ERASEBKGND)
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{
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if (Window->hrgnUpdate)
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{
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hDC = UserGetDCEx( Window,
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Window->hrgnUpdate,
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DCX_CACHE|DCX_USESTYLE|DCX_INTERSECTRGN|DCX_KEEPCLIPRGN);
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if (co_IntSendMessage(hWnd, WM_ERASEBKGND, (WPARAM)hDC, 0))
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{
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Window->state &= ~WINDOWOBJECT_NEED_ERASEBKGND;
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}
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UserReleaseDC(Window, hDC, FALSE);
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}
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}
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}
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}
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/*
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* Check that the window is still valid at this point
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*/
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if (!IntIsWindow(hWnd))
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{
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return;
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}
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/*
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* Paint child windows.
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*/
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if (!(Flags & RDW_NOCHILDREN) &&
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!(Wnd->style & WS_MINIMIZE) &&
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((Flags & RDW_ALLCHILDREN) || !(Wnd->style & WS_CLIPCHILDREN)) )
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{
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HWND *List, *phWnd;
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if ((List = IntWinListChildren(Window)))
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{
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/* FIXME: Handle WS_EX_TRANSPARENT */
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for (phWnd = List; *phWnd; ++phWnd)
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{
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Window = UserGetWindowObject(*phWnd);
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Wnd = Window->Wnd;
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if (Window && (Wnd->style & WS_VISIBLE))
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{
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USER_REFERENCE_ENTRY Ref;
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UserRefObjectCo(Window, &Ref);
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co_IntPaintWindows(Window, Flags, TRUE);
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UserDerefObjectCo(Window);
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}
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}
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ExFreePool(List);
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}
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}
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}
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/*
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* IntInvalidateWindows
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*
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* Internal function used by IntRedrawWindow.
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*/
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VOID FASTCALL
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IntInvalidateWindows(PWINDOW_OBJECT Window, HRGN hRgn, ULONG Flags)
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{
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INT RgnType;
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PWND Wnd;
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BOOL HadPaintMessage, HadNCPaintMessage;
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BOOL HasPaintMessage, HasNCPaintMessage;
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Wnd = Window->Wnd;
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DPRINT("IntInvalidateWindows start\n");
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/*
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* If the nonclient is not to be redrawn, clip the region to the client
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* rect
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*/
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if (0 != (Flags & RDW_INVALIDATE) && 0 == (Flags & RDW_FRAME))
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{
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HRGN hRgnClient;
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hRgnClient = IntSysCreateRectRgnIndirect(&Window->Wnd->rcClient);
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RgnType = NtGdiCombineRgn(hRgn, hRgn, hRgnClient, RGN_AND);
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REGION_FreeRgnByHandle(hRgnClient);
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}
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/*
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* Clip the given region with window rectangle (or region)
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*/
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if (!Window->hrgnClip || (Wnd->style & WS_MINIMIZE))
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{
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HRGN hRgnWindow;
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hRgnWindow = IntSysCreateRectRgnIndirect(&Window->Wnd->rcWindow);
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RgnType = NtGdiCombineRgn(hRgn, hRgn, hRgnWindow, RGN_AND);
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REGION_FreeRgnByHandle(hRgnWindow);
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}
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else
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{
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NtGdiOffsetRgn( hRgn,
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-Wnd->rcWindow.left,
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-Wnd->rcWindow.top);
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RgnType = NtGdiCombineRgn(hRgn, hRgn, Window->hrgnClip, RGN_AND);
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NtGdiOffsetRgn( hRgn,
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Wnd->rcWindow.left,
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Wnd->rcWindow.top);
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}
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/*
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* Save current state of pending updates
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*/
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HadPaintMessage = Window->hrgnUpdate != NULL ||
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Wnd->state & WNDS_INTERNALPAINT;
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HadNCPaintMessage = Window->state & WINDOWOBJECT_NEED_NCPAINT;
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/*
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* Update the region and flags
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*/
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if (Flags & RDW_INVALIDATE && RgnType != NULLREGION)
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{
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if (Window->hrgnUpdate == NULL)
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{
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Window->hrgnUpdate = IntSysCreateRectRgn(0, 0, 0, 0);
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IntGdiSetRegionOwner(Window->hrgnUpdate, GDI_OBJ_HMGR_PUBLIC);
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}
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if (NtGdiCombineRgn(Window->hrgnUpdate, Window->hrgnUpdate,
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hRgn, RGN_OR) == NULLREGION)
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{
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IntGdiSetRegionOwner(Window->hrgnUpdate, GDI_OBJ_HMGR_POWNED);
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REGION_FreeRgnByHandle(Window->hrgnUpdate);
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Window->hrgnUpdate = NULL;
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}
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if (Flags & RDW_FRAME)
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Window->state |= WINDOWOBJECT_NEED_NCPAINT;
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if (Flags & RDW_ERASE)
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Window->state |= WINDOWOBJECT_NEED_ERASEBKGND;
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Flags |= RDW_FRAME;
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}
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if (Flags & RDW_VALIDATE && RgnType != NULLREGION)
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{
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if (Window->hrgnUpdate != NULL)
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{
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if (NtGdiCombineRgn(Window->hrgnUpdate, Window->hrgnUpdate,
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hRgn, RGN_DIFF) == NULLREGION)
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{
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IntGdiSetRegionOwner(Window->hrgnUpdate, GDI_OBJ_HMGR_POWNED);
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REGION_FreeRgnByHandle(Window->hrgnUpdate);
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Window->hrgnUpdate = NULL;
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}
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}
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if (Window->hrgnUpdate == NULL)
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Window->state &= ~WINDOWOBJECT_NEED_ERASEBKGND;
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if (Flags & RDW_NOFRAME)
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Window->state &= ~WINDOWOBJECT_NEED_NCPAINT;
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if (Flags & RDW_NOERASE)
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Window->state &= ~WINDOWOBJECT_NEED_ERASEBKGND;
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}
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if (Flags & RDW_INTERNALPAINT)
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{
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Wnd->state |= WNDS_INTERNALPAINT;
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}
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if (Flags & RDW_NOINTERNALPAINT)
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{
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Wnd->state &= ~WNDS_INTERNALPAINT;
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}
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/*
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* Process children if needed
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*/
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if (!(Flags & RDW_NOCHILDREN) && !(Wnd->style & WS_MINIMIZE) &&
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((Flags & RDW_ALLCHILDREN) || !(Wnd->style & WS_CLIPCHILDREN)))
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{
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PWINDOW_OBJECT Child;
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for (Child = Window->spwndChild; Child; Child = Child->spwndNext)
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{
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if (Child->Wnd->style & WS_VISIBLE)
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{
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/*
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* Recursive call to update children hrgnUpdate
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*/
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HRGN hRgnTemp = IntSysCreateRectRgn(0, 0, 0, 0);
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NtGdiCombineRgn(hRgnTemp, hRgn, 0, RGN_COPY);
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IntInvalidateWindows(Child, hRgnTemp, Flags);
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REGION_FreeRgnByHandle(hRgnTemp);
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}
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}
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}
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/*
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* Fake post paint messages to window message queue if needed
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*/
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HasPaintMessage = Window->hrgnUpdate != NULL ||
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Wnd->state & WNDS_INTERNALPAINT;
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HasNCPaintMessage = Window->state & WINDOWOBJECT_NEED_NCPAINT;
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if (HasPaintMessage != HadPaintMessage)
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{
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if (HadPaintMessage)
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MsqDecPaintCountQueue(Window->pti->MessageQueue);
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else
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MsqIncPaintCountQueue(Window->pti->MessageQueue);
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}
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if (HasNCPaintMessage != HadNCPaintMessage)
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{
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if (HadNCPaintMessage)
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MsqDecPaintCountQueue(Window->pti->MessageQueue);
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else
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MsqIncPaintCountQueue(Window->pti->MessageQueue);
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}
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DPRINT("IntInvalidateWindows exit\n");
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}
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/*
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* IntIsWindowDrawable
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*
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* Remarks
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* Window is drawable when it is visible and all parents are not
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* minimized.
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*/
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BOOL FASTCALL
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IntIsWindowDrawable(PWINDOW_OBJECT Window)
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{
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PWINDOW_OBJECT WndObject;
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PWND Wnd;
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for (WndObject = Window; WndObject != NULL; WndObject = WndObject->spwndParent)
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{
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Wnd = WndObject->Wnd;
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if ( Window->state & WINDOWSTATUS_DESTROYING || // state2
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Window->state & WINDOWSTATUS_DESTROYED ||
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!Wnd ||
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!(Wnd->style & WS_VISIBLE) ||
|
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((Wnd->style & WS_MINIMIZE) && (WndObject != Window)))
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{
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return FALSE;
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}
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}
|
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return TRUE;
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}
|
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|
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/*
|
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* IntRedrawWindow
|
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*
|
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* Internal version of NtUserRedrawWindow that takes WINDOW_OBJECT as
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* first parameter.
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*/
|
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|
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BOOL FASTCALL
|
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co_UserRedrawWindow(
|
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PWINDOW_OBJECT Window,
|
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const RECTL* UpdateRect,
|
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HRGN UpdateRgn,
|
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ULONG Flags)
|
|
{
|
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HRGN hRgn = NULL;
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DPRINT("co_UserRedrawWindow start\n");
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|
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/*
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* Step 1.
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* Validation of passed parameters.
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*/
|
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|
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if (!IntIsWindowDrawable(Window))
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{
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return TRUE; // Just do nothing!!!
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}
|
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|
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/*
|
|
* Step 2.
|
|
* Transform the parameters UpdateRgn and UpdateRect into
|
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* a region hRgn specified in screen coordinates.
|
|
*/
|
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|
|
if (Flags & (RDW_INVALIDATE | RDW_VALIDATE)) // Both are OKAY!
|
|
{
|
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if (UpdateRgn != NULL)
|
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{
|
|
hRgn = IntSysCreateRectRgn(0, 0, 0, 0);
|
|
if (NtGdiCombineRgn(hRgn, UpdateRgn, NULL, RGN_COPY) == NULLREGION)
|
|
{
|
|
REGION_FreeRgnByHandle(hRgn);
|
|
hRgn = NULL;
|
|
}
|
|
else
|
|
NtGdiOffsetRgn(hRgn, Window->Wnd->rcClient.left, Window->Wnd->rcClient.top);
|
|
}
|
|
else if (UpdateRect != NULL)
|
|
{
|
|
if (!RECTL_bIsEmptyRect(UpdateRect))
|
|
{
|
|
hRgn = IntSysCreateRectRgnIndirect((RECTL *)UpdateRect);
|
|
NtGdiOffsetRgn(hRgn, Window->Wnd->rcClient.left, Window->Wnd->rcClient.top);
|
|
}
|
|
}
|
|
else if ((Flags & (RDW_INVALIDATE | RDW_FRAME)) == (RDW_INVALIDATE | RDW_FRAME) ||
|
|
(Flags & (RDW_VALIDATE | RDW_NOFRAME)) == (RDW_VALIDATE | RDW_NOFRAME))
|
|
{
|
|
if (!RECTL_bIsEmptyRect(&Window->Wnd->rcWindow))
|
|
hRgn = IntSysCreateRectRgnIndirect(&Window->Wnd->rcWindow);
|
|
}
|
|
else
|
|
{
|
|
if (!RECTL_bIsEmptyRect(&Window->Wnd->rcClient))
|
|
hRgn = IntSysCreateRectRgnIndirect(&Window->Wnd->rcClient);
|
|
}
|
|
}
|
|
|
|
/*
|
|
* Step 3.
|
|
* Adjust the window update region depending on hRgn and flags.
|
|
*/
|
|
|
|
if (Flags & (RDW_INVALIDATE | RDW_VALIDATE | RDW_INTERNALPAINT | RDW_NOINTERNALPAINT) &&
|
|
hRgn != NULL)
|
|
{
|
|
IntInvalidateWindows(Window, hRgn, Flags);
|
|
}
|
|
|
|
/*
|
|
* Step 4.
|
|
* Repaint and erase windows if needed.
|
|
*/
|
|
|
|
if (Flags & (RDW_ERASENOW | RDW_UPDATENOW))
|
|
{
|
|
co_IntPaintWindows(Window, Flags, FALSE);
|
|
}
|
|
|
|
/*
|
|
* Step 5.
|
|
* Cleanup ;-)
|
|
*/
|
|
|
|
if (hRgn != NULL)
|
|
{
|
|
REGION_FreeRgnByHandle(hRgn);
|
|
}
|
|
DPRINT("co_UserRedrawWindow exit\n");
|
|
|
|
return TRUE;
|
|
}
|
|
|
|
BOOL FASTCALL
|
|
IntIsWindowDirty(PWINDOW_OBJECT Window)
|
|
{
|
|
PWND Wnd = Window->Wnd;
|
|
return (Wnd->style & WS_VISIBLE) &&
|
|
((Window->hrgnUpdate != NULL) ||
|
|
(Wnd->state & WNDS_INTERNALPAINT) ||
|
|
(Window->state & WINDOWOBJECT_NEED_NCPAINT));
|
|
}
|
|
|
|
HWND FASTCALL
|
|
IntFindWindowToRepaint(PWINDOW_OBJECT Window, PTHREADINFO Thread)
|
|
{
|
|
HWND hChild;
|
|
PWINDOW_OBJECT TempWindow;
|
|
PWND Wnd, TempWnd;
|
|
|
|
for (; Window != NULL; Window = Window->spwndNext)
|
|
{
|
|
Wnd = Window->Wnd;
|
|
if (IntWndBelongsToThread(Window, Thread) &&
|
|
IntIsWindowDirty(Window))
|
|
{
|
|
/* Make sure all non-transparent siblings are already drawn. */
|
|
if (Wnd->ExStyle & WS_EX_TRANSPARENT)
|
|
{
|
|
for (TempWindow = Window->spwndNext; TempWindow != NULL;
|
|
TempWindow = TempWindow->spwndNext)
|
|
{
|
|
TempWnd = TempWindow->Wnd;
|
|
if (!(TempWnd->ExStyle & WS_EX_TRANSPARENT) &&
|
|
IntWndBelongsToThread(TempWindow, Thread) &&
|
|
IntIsWindowDirty(TempWindow))
|
|
{
|
|
return TempWindow->hSelf;
|
|
}
|
|
}
|
|
}
|
|
|
|
return Window->hSelf;
|
|
}
|
|
|
|
if (Window->spwndChild)
|
|
{
|
|
hChild = IntFindWindowToRepaint(Window->spwndChild, Thread);
|
|
if (hChild != NULL)
|
|
return hChild;
|
|
}
|
|
}
|
|
|
|
return NULL;
|
|
}
|
|
|
|
BOOL FASTCALL
|
|
IntGetPaintMessage(
|
|
PWINDOW_OBJECT Window,
|
|
UINT MsgFilterMin,
|
|
UINT MsgFilterMax,
|
|
PTHREADINFO Thread,
|
|
MSG *Message,
|
|
BOOL Remove)
|
|
{
|
|
PUSER_MESSAGE_QUEUE MessageQueue = (PUSER_MESSAGE_QUEUE)Thread->MessageQueue;
|
|
|
|
if (!MessageQueue->PaintCount)
|
|
return FALSE;
|
|
|
|
if ((MsgFilterMin != 0 || MsgFilterMax != 0) &&
|
|
(MsgFilterMin > WM_PAINT || MsgFilterMax < WM_PAINT))
|
|
return FALSE;
|
|
|
|
Message->hwnd = IntFindWindowToRepaint(UserGetDesktopWindow(), PsGetCurrentThreadWin32Thread());
|
|
|
|
if (Message->hwnd == NULL)
|
|
{
|
|
DPRINT1("PAINTING BUG: Thread marked as containing dirty windows, but no dirty windows found!\n");
|
|
/* Hack to stop spamming the debuglog ! */
|
|
MessageQueue->PaintCount = 0;
|
|
return FALSE;
|
|
}
|
|
|
|
if (Window != NULL && Message->hwnd != Window->hSelf)
|
|
return FALSE;
|
|
|
|
Message->message = WM_PAINT;
|
|
Message->wParam = Message->lParam = 0;
|
|
|
|
return TRUE;
|
|
}
|
|
|
|
static
|
|
HWND FASTCALL
|
|
co_IntFixCaret(PWINDOW_OBJECT Window, RECTL *lprc, UINT flags)
|
|
{
|
|
PDESKTOP Desktop;
|
|
PTHRDCARETINFO CaretInfo;
|
|
HWND hWndCaret;
|
|
PWINDOW_OBJECT WndCaret;
|
|
|
|
ASSERT_REFS_CO(Window);
|
|
|
|
Desktop = ((PTHREADINFO)PsGetCurrentThread()->Tcb.Win32Thread)->rpdesk;
|
|
CaretInfo = ((PUSER_MESSAGE_QUEUE)Desktop->ActiveMessageQueue)->CaretInfo;
|
|
hWndCaret = CaretInfo->hWnd;
|
|
|
|
WndCaret = UserGetWindowObject(hWndCaret);
|
|
|
|
//fix: check for WndCaret can be null
|
|
if (WndCaret == Window ||
|
|
((flags & SW_SCROLLCHILDREN) && IntIsChildWindow(Window, WndCaret)))
|
|
{
|
|
POINT pt, FromOffset, ToOffset, Offset;
|
|
RECTL rcCaret;
|
|
|
|
pt.x = CaretInfo->Pos.x;
|
|
pt.y = CaretInfo->Pos.y;
|
|
IntGetClientOrigin(WndCaret, &FromOffset);
|
|
IntGetClientOrigin(Window, &ToOffset);
|
|
Offset.x = FromOffset.x - ToOffset.x;
|
|
Offset.y = FromOffset.y - ToOffset.y;
|
|
rcCaret.left = pt.x;
|
|
rcCaret.top = pt.y;
|
|
rcCaret.right = pt.x + CaretInfo->Size.cx;
|
|
rcCaret.bottom = pt.y + CaretInfo->Size.cy;
|
|
if (RECTL_bIntersectRect(lprc, lprc, &rcCaret))
|
|
{
|
|
co_UserHideCaret(0);
|
|
lprc->left = pt.x;
|
|
lprc->top = pt.y;
|
|
return hWndCaret;
|
|
}
|
|
}
|
|
|
|
return 0;
|
|
}
|
|
|
|
/* PUBLIC FUNCTIONS ***********************************************************/
|
|
|
|
/*
|
|
* NtUserBeginPaint
|
|
*
|
|
* Status
|
|
* @implemented
|
|
*/
|
|
|
|
HDC APIENTRY
|
|
NtUserBeginPaint(HWND hWnd, PAINTSTRUCT* UnsafePs)
|
|
{
|
|
PWINDOW_OBJECT Window = NULL;
|
|
PAINTSTRUCT Ps;
|
|
NTSTATUS Status;
|
|
DECLARE_RETURN(HDC);
|
|
USER_REFERENCE_ENTRY Ref;
|
|
PWND Wnd;
|
|
|
|
DPRINT("Enter NtUserBeginPaint\n");
|
|
UserEnterExclusive();
|
|
|
|
if (!(Window = UserGetWindowObject(hWnd)))
|
|
{
|
|
RETURN( NULL);
|
|
}
|
|
|
|
UserRefObjectCo(Window, &Ref);
|
|
|
|
Wnd = Window->Wnd;
|
|
|
|
co_UserHideCaret(Window);
|
|
|
|
if (Window->state & WINDOWOBJECT_NEED_NCPAINT)
|
|
{
|
|
HRGN hRgn;
|
|
|
|
hRgn = IntGetNCUpdateRgn(Window, FALSE);
|
|
Window->state &= ~WINDOWOBJECT_NEED_NCPAINT;
|
|
MsqDecPaintCountQueue(Window->pti->MessageQueue);
|
|
co_IntSendMessage(hWnd, WM_NCPAINT, (WPARAM)hRgn, 0);
|
|
if (hRgn != (HANDLE)1 && hRgn != NULL)
|
|
{
|
|
/* NOTE: The region can already by deleted! */
|
|
GDIOBJ_FreeObjByHandle(hRgn, GDI_OBJECT_TYPE_REGION | GDI_OBJECT_TYPE_SILENT);
|
|
}
|
|
}
|
|
|
|
RtlZeroMemory(&Ps, sizeof(PAINTSTRUCT));
|
|
|
|
Ps.hdc = UserGetDCEx( Window,
|
|
Window->hrgnUpdate,
|
|
DCX_INTERSECTRGN | DCX_USESTYLE);
|
|
if (!Ps.hdc)
|
|
{
|
|
RETURN(NULL);
|
|
}
|
|
|
|
if (Window->hrgnUpdate != NULL)
|
|
{
|
|
MsqDecPaintCountQueue(Window->pti->MessageQueue);
|
|
GdiGetClipBox(Ps.hdc, &Ps.rcPaint);
|
|
IntGdiSetRegionOwner(Window->hrgnUpdate, GDI_OBJ_HMGR_POWNED);
|
|
/* The region is part of the dc now and belongs to the process! */
|
|
Window->hrgnUpdate = NULL;
|
|
}
|
|
else
|
|
{
|
|
if (Wnd->state & WNDS_INTERNALPAINT)
|
|
MsqDecPaintCountQueue(Window->pti->MessageQueue);
|
|
|
|
IntGetClientRect(Window, &Ps.rcPaint);
|
|
}
|
|
|
|
Wnd->state &= ~WNDS_INTERNALPAINT;
|
|
|
|
if (Window->state & WINDOWOBJECT_NEED_ERASEBKGND)
|
|
{
|
|
Window->state &= ~WINDOWOBJECT_NEED_ERASEBKGND;
|
|
Ps.fErase = !co_IntSendMessage(hWnd, WM_ERASEBKGND, (WPARAM)Ps.hdc, 0);
|
|
}
|
|
else
|
|
{
|
|
Ps.fErase = FALSE;
|
|
}
|
|
if (Window->hrgnUpdate)
|
|
{
|
|
if (!(Wnd->style & WS_CLIPCHILDREN))
|
|
{
|
|
PWINDOW_OBJECT Child;
|
|
for (Child = Window->spwndChild; Child; Child = Child->spwndNext)
|
|
{
|
|
IntInvalidateWindows(Child, Window->hrgnUpdate, RDW_FRAME | RDW_ERASE | RDW_INVALIDATE | RDW_ALLCHILDREN);
|
|
}
|
|
}
|
|
}
|
|
|
|
Status = MmCopyToCaller(UnsafePs, &Ps, sizeof(PAINTSTRUCT));
|
|
if (! NT_SUCCESS(Status))
|
|
{
|
|
SetLastNtError(Status);
|
|
RETURN(NULL);
|
|
}
|
|
|
|
RETURN(Ps.hdc);
|
|
|
|
CLEANUP:
|
|
if (Window) UserDerefObjectCo(Window);
|
|
|
|
DPRINT("Leave NtUserBeginPaint, ret=%i\n",_ret_);
|
|
UserLeave();
|
|
END_CLEANUP;
|
|
|
|
}
|
|
|
|
/*
|
|
* NtUserEndPaint
|
|
*
|
|
* Status
|
|
* @implemented
|
|
*/
|
|
|
|
BOOL APIENTRY
|
|
NtUserEndPaint(HWND hWnd, CONST PAINTSTRUCT* pUnsafePs)
|
|
{
|
|
NTSTATUS Status = STATUS_SUCCESS;
|
|
PWINDOW_OBJECT Window;
|
|
DECLARE_RETURN(BOOL);
|
|
USER_REFERENCE_ENTRY Ref;
|
|
HDC hdc = NULL;
|
|
|
|
DPRINT("Enter NtUserEndPaint\n");
|
|
UserEnterExclusive();
|
|
|
|
if (!(Window = UserGetWindowObject(hWnd)))
|
|
{
|
|
RETURN(FALSE);
|
|
}
|
|
|
|
_SEH2_TRY
|
|
{
|
|
ProbeForRead(pUnsafePs, sizeof(*pUnsafePs), 1);
|
|
hdc = pUnsafePs->hdc;
|
|
}
|
|
_SEH2_EXCEPT(EXCEPTION_EXECUTE_HANDLER)
|
|
{
|
|
Status = _SEH2_GetExceptionCode();
|
|
}
|
|
_SEH2_END
|
|
if (!NT_SUCCESS(Status))
|
|
{
|
|
RETURN(FALSE);
|
|
}
|
|
|
|
UserReleaseDC(Window, hdc, TRUE);
|
|
|
|
UserRefObjectCo(Window, &Ref);
|
|
co_UserShowCaret(Window);
|
|
UserDerefObjectCo(Window);
|
|
|
|
RETURN(TRUE);
|
|
|
|
CLEANUP:
|
|
DPRINT("Leave NtUserEndPaint, ret=%i\n",_ret_);
|
|
UserLeave();
|
|
END_CLEANUP;
|
|
}
|
|
|
|
|
|
INT FASTCALL
|
|
co_UserGetUpdateRgn(PWINDOW_OBJECT Window, HRGN hRgn, BOOL bErase)
|
|
{
|
|
int RegionType;
|
|
RECTL Rect;
|
|
|
|
ASSERT_REFS_CO(Window);
|
|
|
|
if (Window->hrgnUpdate == NULL)
|
|
{
|
|
RegionType = (NtGdiSetRectRgn(hRgn, 0, 0, 0, 0) ? NULLREGION : ERROR);
|
|
}
|
|
else
|
|
{
|
|
Rect = Window->Wnd->rcClient;
|
|
IntIntersectWithParents(Window, &Rect);
|
|
NtGdiSetRectRgn(hRgn, Rect.left, Rect.top, Rect.right, Rect.bottom);
|
|
RegionType = NtGdiCombineRgn(hRgn, hRgn, Window->hrgnUpdate, RGN_AND);
|
|
NtGdiOffsetRgn(hRgn, -Window->Wnd->rcClient.left, -Window->Wnd->rcClient.top);
|
|
}
|
|
|
|
if (bErase && RegionType != NULLREGION && RegionType != ERROR)
|
|
{
|
|
co_UserRedrawWindow(Window, NULL, NULL, RDW_ERASENOW | RDW_NOCHILDREN);
|
|
}
|
|
|
|
return RegionType;
|
|
}
|
|
|
|
/*
|
|
* NtUserGetUpdateRgn
|
|
*
|
|
* Status
|
|
* @implemented
|
|
*/
|
|
|
|
INT APIENTRY
|
|
NtUserGetUpdateRgn(HWND hWnd, HRGN hRgn, BOOL bErase)
|
|
{
|
|
DECLARE_RETURN(INT);
|
|
PWINDOW_OBJECT Window;
|
|
INT ret;
|
|
USER_REFERENCE_ENTRY Ref;
|
|
|
|
DPRINT("Enter NtUserGetUpdateRgn\n");
|
|
UserEnterExclusive();
|
|
|
|
if (!(Window = UserGetWindowObject(hWnd)))
|
|
{
|
|
RETURN(ERROR);
|
|
}
|
|
|
|
UserRefObjectCo(Window, &Ref);
|
|
ret = co_UserGetUpdateRgn(Window, hRgn, bErase);
|
|
UserDerefObjectCo(Window);
|
|
|
|
RETURN(ret);
|
|
|
|
CLEANUP:
|
|
DPRINT("Leave NtUserGetUpdateRgn, ret=%i\n",_ret_);
|
|
UserLeave();
|
|
END_CLEANUP;
|
|
}
|
|
|
|
/*
|
|
* NtUserGetUpdateRect
|
|
*
|
|
* Status
|
|
* @implemented
|
|
*/
|
|
|
|
BOOL APIENTRY
|
|
NtUserGetUpdateRect(HWND hWnd, LPRECT UnsafeRect, BOOL bErase)
|
|
{
|
|
PWINDOW_OBJECT Window;
|
|
RECTL Rect;
|
|
INT RegionType;
|
|
PROSRGNDATA RgnData;
|
|
NTSTATUS Status;
|
|
DECLARE_RETURN(BOOL);
|
|
|
|
DPRINT("Enter NtUserGetUpdateRect\n");
|
|
UserEnterExclusive();
|
|
|
|
if (!(Window = UserGetWindowObject(hWnd)))
|
|
{
|
|
RETURN(FALSE);
|
|
}
|
|
|
|
if (Window->hrgnUpdate == NULL)
|
|
{
|
|
Rect.left = Rect.top = Rect.right = Rect.bottom = 0;
|
|
}
|
|
else
|
|
{
|
|
/* Get the update region bounding box. */
|
|
if (Window->hrgnUpdate == (HRGN)1)
|
|
{
|
|
Rect = Window->Wnd->rcClient;
|
|
}
|
|
else
|
|
{
|
|
RgnData = RGNOBJAPI_Lock(Window->hrgnUpdate, NULL);
|
|
ASSERT(RgnData != NULL);
|
|
RegionType = REGION_GetRgnBox(RgnData, &Rect);
|
|
RGNOBJAPI_Unlock(RgnData);
|
|
|
|
if (RegionType != ERROR && RegionType != NULLREGION)
|
|
RECTL_bIntersectRect(&Rect, &Rect, &Window->Wnd->rcClient);
|
|
}
|
|
|
|
if (IntIntersectWithParents(Window, &Rect))
|
|
{
|
|
RECTL_vOffsetRect(&Rect,
|
|
-Window->Wnd->rcClient.left,
|
|
-Window->Wnd->rcClient.top);
|
|
} else
|
|
{
|
|
Rect.left = Rect.top = Rect.right = Rect.bottom = 0;
|
|
}
|
|
}
|
|
|
|
if (bErase && !RECTL_bIsEmptyRect(&Rect))
|
|
{
|
|
USER_REFERENCE_ENTRY Ref;
|
|
UserRefObjectCo(Window, &Ref);
|
|
co_UserRedrawWindow(Window, NULL, NULL, RDW_ERASENOW | RDW_NOCHILDREN);
|
|
UserDerefObjectCo(Window);
|
|
}
|
|
|
|
if (UnsafeRect != NULL)
|
|
{
|
|
Status = MmCopyToCaller(UnsafeRect, &Rect, sizeof(RECTL));
|
|
if (!NT_SUCCESS(Status))
|
|
{
|
|
SetLastWin32Error(ERROR_INVALID_PARAMETER);
|
|
RETURN(FALSE);
|
|
}
|
|
}
|
|
|
|
RETURN(!RECTL_bIsEmptyRect(&Rect));
|
|
|
|
CLEANUP:
|
|
DPRINT("Leave NtUserGetUpdateRect, ret=%i\n",_ret_);
|
|
UserLeave();
|
|
END_CLEANUP;
|
|
}
|
|
|
|
/*
|
|
* NtUserRedrawWindow
|
|
*
|
|
* Status
|
|
* @implemented
|
|
*/
|
|
|
|
BOOL APIENTRY
|
|
NtUserRedrawWindow(
|
|
HWND hWnd,
|
|
CONST RECT *lprcUpdate,
|
|
HRGN hrgnUpdate,
|
|
UINT flags)
|
|
{
|
|
RECTL SafeUpdateRect;
|
|
PWINDOW_OBJECT Wnd;
|
|
BOOL Ret;
|
|
USER_REFERENCE_ENTRY Ref;
|
|
NTSTATUS Status = STATUS_SUCCESS;
|
|
DECLARE_RETURN(BOOL);
|
|
|
|
DPRINT("Enter NtUserRedrawWindow\n");
|
|
UserEnterExclusive();
|
|
|
|
if (!(Wnd = UserGetWindowObject(hWnd ? hWnd : IntGetDesktopWindow())))
|
|
{
|
|
RETURN( FALSE);
|
|
}
|
|
|
|
if (lprcUpdate)
|
|
{
|
|
_SEH2_TRY
|
|
{
|
|
ProbeForRead(lprcUpdate, sizeof(RECTL), 1);
|
|
RtlCopyMemory(&SafeUpdateRect, lprcUpdate, sizeof(RECTL));
|
|
}
|
|
_SEH2_EXCEPT(EXCEPTION_EXECUTE_HANDLER)
|
|
{
|
|
Status = _SEH2_GetExceptionCode();
|
|
}
|
|
_SEH2_END
|
|
if (!NT_SUCCESS(Status))
|
|
{
|
|
SetLastWin32Error(RtlNtStatusToDosError(Status));
|
|
RETURN( FALSE);
|
|
}
|
|
}
|
|
|
|
if ( flags & ~(RDW_ERASE|RDW_FRAME|RDW_INTERNALPAINT|RDW_INVALIDATE|
|
|
RDW_NOERASE|RDW_NOFRAME|RDW_NOINTERNALPAINT|RDW_VALIDATE|
|
|
RDW_ERASENOW|RDW_UPDATENOW|RDW_ALLCHILDREN|RDW_NOCHILDREN) )
|
|
{
|
|
/* RedrawWindow fails only in case that flags are invalid */
|
|
SetLastWin32Error(ERROR_INVALID_FLAGS);
|
|
RETURN( FALSE);
|
|
}
|
|
|
|
UserRefObjectCo(Wnd, &Ref);
|
|
|
|
Ret = co_UserRedrawWindow( Wnd,
|
|
lprcUpdate ? &SafeUpdateRect : NULL,
|
|
hrgnUpdate,
|
|
flags);
|
|
|
|
UserDerefObjectCo(Wnd);
|
|
|
|
RETURN( Ret);
|
|
|
|
CLEANUP:
|
|
DPRINT("Leave NtUserRedrawWindow, ret=%i\n",_ret_);
|
|
UserLeave();
|
|
END_CLEANUP;
|
|
}
|
|
|
|
static
|
|
INT FASTCALL
|
|
UserScrollDC(
|
|
HDC hDC,
|
|
INT dx,
|
|
INT dy,
|
|
const RECTL *prcScroll,
|
|
const RECTL *prcClip,
|
|
HRGN hrgnUpdate,
|
|
RECTL *prcUpdate)
|
|
{
|
|
PDC pDC;
|
|
RECTL rcScroll, rcClip, rcSrc, rcDst;
|
|
INT Result;
|
|
|
|
GdiGetClipBox(hDC, &rcClip);
|
|
rcScroll = rcClip;
|
|
if (prcClip)
|
|
{
|
|
RECTL_bIntersectRect(&rcClip, &rcClip, prcClip);
|
|
}
|
|
|
|
if (prcScroll)
|
|
{
|
|
rcScroll = *prcScroll;
|
|
RECTL_bIntersectRect(&rcSrc, &rcClip, prcScroll);
|
|
}
|
|
else
|
|
{
|
|
rcSrc = rcClip;
|
|
}
|
|
|
|
rcDst = rcSrc;
|
|
RECTL_vOffsetRect(&rcDst, dx, dy);
|
|
RECTL_bIntersectRect(&rcDst, &rcDst, &rcClip);
|
|
|
|
if (!NtGdiBitBlt( hDC,
|
|
rcDst.left,
|
|
rcDst.top,
|
|
rcDst.right - rcDst.left,
|
|
rcDst.bottom - rcDst.top,
|
|
hDC,
|
|
rcDst.left - dx,
|
|
rcDst.top - dy,
|
|
SRCCOPY,
|
|
0,
|
|
0))
|
|
{
|
|
return ERROR;
|
|
}
|
|
|
|
/* Calculate the region that was invalidated by moving or
|
|
could not be copied, because it was not visible */
|
|
if (hrgnUpdate || prcUpdate)
|
|
{
|
|
HRGN hrgnOwn, hrgnVisible, hrgnTmp;
|
|
|
|
pDC = DC_LockDc(hDC);
|
|
if (!pDC)
|
|
{
|
|
return FALSE;
|
|
}
|
|
hrgnVisible = ((PROSRGNDATA)pDC->prgnVis)->BaseObject.hHmgr; // pDC->prgnRao?
|
|
|
|
/* Begin with the shifted and then clipped scroll rect */
|
|
rcDst = rcScroll;
|
|
RECTL_vOffsetRect(&rcDst, dx, dy);
|
|
RECTL_bIntersectRect(&rcDst, &rcDst, &rcClip);
|
|
if (hrgnUpdate)
|
|
{
|
|
hrgnOwn = hrgnUpdate;
|
|
if (!NtGdiSetRectRgn(hrgnOwn, rcDst.left, rcDst.top, rcDst.right, rcDst.bottom))
|
|
{
|
|
return ERROR;
|
|
}
|
|
}
|
|
else
|
|
{
|
|
hrgnOwn = IntSysCreateRectRgnIndirect(&rcDst);
|
|
}
|
|
|
|
/* Add the source rect */
|
|
hrgnTmp = IntSysCreateRectRgnIndirect(&rcSrc);
|
|
NtGdiCombineRgn(hrgnOwn, hrgnOwn, hrgnTmp, RGN_OR);
|
|
|
|
/* Substract the part of the dest that was visible in source */
|
|
NtGdiCombineRgn(hrgnTmp, hrgnTmp, hrgnVisible, RGN_AND);
|
|
NtGdiOffsetRgn(hrgnTmp, dx, dy);
|
|
Result = NtGdiCombineRgn(hrgnOwn, hrgnOwn, hrgnTmp, RGN_DIFF);
|
|
|
|
/* DO NOT Unlock DC while messing with prgnVis! */
|
|
DC_UnlockDc(pDC);
|
|
|
|
REGION_FreeRgnByHandle(hrgnTmp);
|
|
|
|
if (prcUpdate)
|
|
{
|
|
IntGdiGetRgnBox(hrgnOwn, prcUpdate);
|
|
}
|
|
|
|
if (!hrgnUpdate)
|
|
{
|
|
REGION_FreeRgnByHandle(hrgnOwn);
|
|
}
|
|
}
|
|
else
|
|
Result = NULLREGION;
|
|
|
|
return Result;
|
|
}
|
|
|
|
/*
|
|
* NtUserScrollDC
|
|
*
|
|
* Status
|
|
* @implemented
|
|
*/
|
|
BOOL APIENTRY
|
|
NtUserScrollDC(
|
|
HDC hDC,
|
|
INT dx,
|
|
INT dy,
|
|
const RECT *prcUnsafeScroll,
|
|
const RECT *prcUnsafeClip,
|
|
HRGN hrgnUpdate,
|
|
LPRECT prcUnsafeUpdate)
|
|
{
|
|
DECLARE_RETURN(DWORD);
|
|
RECTL rcScroll, rcClip, rcUpdate;
|
|
NTSTATUS Status = STATUS_SUCCESS;
|
|
DWORD Result;
|
|
|
|
DPRINT("Enter NtUserScrollDC\n");
|
|
UserEnterExclusive();
|
|
|
|
_SEH2_TRY
|
|
{
|
|
if (prcUnsafeScroll)
|
|
{
|
|
ProbeForRead(prcUnsafeScroll, sizeof(*prcUnsafeScroll), 1);
|
|
rcScroll = *prcUnsafeScroll;
|
|
}
|
|
if (prcUnsafeClip)
|
|
{
|
|
ProbeForRead(prcUnsafeClip, sizeof(*prcUnsafeClip), 1);
|
|
rcClip = *prcUnsafeClip;
|
|
}
|
|
if (prcUnsafeUpdate)
|
|
{
|
|
ProbeForWrite(prcUnsafeUpdate, sizeof(*prcUnsafeUpdate), 1);
|
|
}
|
|
}
|
|
_SEH2_EXCEPT(EXCEPTION_EXECUTE_HANDLER)
|
|
{
|
|
Status = _SEH2_GetExceptionCode();
|
|
}
|
|
_SEH2_END
|
|
if (!NT_SUCCESS(Status))
|
|
{
|
|
SetLastNtError(Status);
|
|
RETURN(FALSE);
|
|
}
|
|
|
|
Result = UserScrollDC( hDC,
|
|
dx,
|
|
dy,
|
|
prcUnsafeScroll? &rcScroll : 0,
|
|
prcUnsafeClip? &rcClip : 0,
|
|
hrgnUpdate,
|
|
prcUnsafeUpdate? &rcUpdate : NULL);
|
|
if(Result == ERROR)
|
|
{
|
|
/* FIXME: Only if hRgnUpdate is invalid we should SetLastError(ERROR_INVALID_HANDLE) */
|
|
RETURN(FALSE);
|
|
}
|
|
|
|
if (prcUnsafeUpdate)
|
|
{
|
|
_SEH2_TRY
|
|
{
|
|
*prcUnsafeUpdate = rcUpdate;
|
|
}
|
|
_SEH2_EXCEPT(EXCEPTION_EXECUTE_HANDLER)
|
|
{
|
|
Status = _SEH2_GetExceptionCode();
|
|
}
|
|
_SEH2_END
|
|
if (!NT_SUCCESS(Status))
|
|
{
|
|
/* FIXME: SetLastError? */
|
|
/* FIXME: correct? We have already scrolled! */
|
|
RETURN(FALSE);
|
|
}
|
|
}
|
|
|
|
RETURN(TRUE);
|
|
|
|
CLEANUP:
|
|
DPRINT("Leave NtUserScrollDC, ret=%i\n",_ret_);
|
|
UserLeave();
|
|
END_CLEANUP;
|
|
}
|
|
|
|
/*
|
|
* NtUserScrollWindowEx
|
|
*
|
|
* Status
|
|
* @implemented
|
|
*/
|
|
|
|
DWORD APIENTRY
|
|
NtUserScrollWindowEx(
|
|
HWND hWnd,
|
|
INT dx,
|
|
INT dy,
|
|
const RECT *prcUnsafeScroll,
|
|
const RECT *prcUnsafeClip,
|
|
HRGN hrgnUpdate,
|
|
LPRECT prcUnsafeUpdate,
|
|
UINT flags)
|
|
{
|
|
RECTL rcScroll, rcClip, rcCaret, rcUpdate;
|
|
INT Result;
|
|
PWINDOW_OBJECT Window = NULL, CaretWnd;
|
|
HDC hDC;
|
|
HRGN hrgnOwn = NULL, hrgnTemp;
|
|
HWND hwndCaret;
|
|
NTSTATUS Status = STATUS_SUCCESS;
|
|
DECLARE_RETURN(DWORD);
|
|
USER_REFERENCE_ENTRY Ref, CaretRef;
|
|
|
|
DPRINT("Enter NtUserScrollWindowEx\n");
|
|
UserEnterExclusive();
|
|
|
|
Window = UserGetWindowObject(hWnd);
|
|
if (!Window || !IntIsWindowDrawable(Window))
|
|
{
|
|
Window = NULL; /* prevent deref at cleanup */
|
|
RETURN( ERROR);
|
|
}
|
|
UserRefObjectCo(Window, &Ref);
|
|
|
|
IntGetClientRect(Window, &rcClip);
|
|
|
|
_SEH2_TRY
|
|
{
|
|
if (prcUnsafeScroll)
|
|
{
|
|
ProbeForRead(prcUnsafeScroll, sizeof(*prcUnsafeScroll), 1);
|
|
RECTL_bIntersectRect(&rcScroll, &rcClip, prcUnsafeScroll);
|
|
}
|
|
else
|
|
rcScroll = rcClip;
|
|
|
|
if (prcUnsafeClip)
|
|
{
|
|
ProbeForRead(prcUnsafeClip, sizeof(*prcUnsafeClip), 1);
|
|
RECTL_bIntersectRect(&rcClip, &rcClip, prcUnsafeClip);
|
|
}
|
|
}
|
|
_SEH2_EXCEPT(EXCEPTION_EXECUTE_HANDLER)
|
|
{
|
|
Status = _SEH2_GetExceptionCode();
|
|
}
|
|
_SEH2_END
|
|
|
|
if (!NT_SUCCESS(Status))
|
|
{
|
|
SetLastNtError(Status);
|
|
RETURN(ERROR);
|
|
}
|
|
|
|
if (rcClip.right <= rcClip.left || rcClip.bottom <= rcClip.top ||
|
|
(dx == 0 && dy == 0))
|
|
{
|
|
RETURN(NULLREGION);
|
|
}
|
|
|
|
if (hrgnUpdate)
|
|
hrgnOwn = hrgnUpdate;
|
|
else
|
|
hrgnOwn = IntSysCreateRectRgn(0, 0, 0, 0);
|
|
|
|
hDC = UserGetDCEx(Window, 0, DCX_CACHE | DCX_USESTYLE);
|
|
if (!hDC)
|
|
{
|
|
/* FIXME: SetLastError? */
|
|
RETURN(ERROR);
|
|
}
|
|
|
|
rcCaret = rcScroll;
|
|
hwndCaret = co_IntFixCaret(Window, &rcCaret, flags);
|
|
|
|
Result = UserScrollDC( hDC,
|
|
dx,
|
|
dy,
|
|
&rcScroll,
|
|
&rcClip,
|
|
hrgnOwn,
|
|
prcUnsafeUpdate? &rcUpdate : NULL);
|
|
|
|
UserReleaseDC(Window, hDC, FALSE);
|
|
|
|
/*
|
|
* Take into account the fact that some damage may have occurred during
|
|
* the scroll.
|
|
*/
|
|
|
|
hrgnTemp = IntSysCreateRectRgn(0, 0, 0, 0);
|
|
if (co_UserGetUpdateRgn(Window, hrgnTemp, FALSE) != NULLREGION)
|
|
{
|
|
HRGN hrgnClip = IntSysCreateRectRgnIndirect(&rcClip);
|
|
NtGdiOffsetRgn(hrgnTemp, dx, dy);
|
|
NtGdiCombineRgn(hrgnTemp, hrgnTemp, hrgnClip, RGN_AND);
|
|
co_UserRedrawWindow(Window, NULL, hrgnTemp, RDW_INVALIDATE | RDW_ERASE);
|
|
REGION_FreeRgnByHandle(hrgnClip);
|
|
}
|
|
REGION_FreeRgnByHandle(hrgnTemp);
|
|
|
|
if (flags & SW_SCROLLCHILDREN)
|
|
{
|
|
PWINDOW_OBJECT Child;
|
|
RECTL rcChild;
|
|
POINT ClientOrigin;
|
|
USER_REFERENCE_ENTRY WndRef;
|
|
RECTL rcDummy;
|
|
|
|
IntGetClientOrigin(Window, &ClientOrigin);
|
|
for (Child = Window->spwndChild; Child; Child = Child->spwndNext)
|
|
{
|
|
rcChild = Child->Wnd->rcWindow;
|
|
rcChild.left -= ClientOrigin.x;
|
|
rcChild.top -= ClientOrigin.y;
|
|
rcChild.right -= ClientOrigin.x;
|
|
rcChild.bottom -= ClientOrigin.y;
|
|
|
|
if (! prcUnsafeScroll || RECTL_bIntersectRect(&rcDummy, &rcChild, &rcScroll))
|
|
{
|
|
UserRefObjectCo(Child, &WndRef);
|
|
co_WinPosSetWindowPos(Child, 0, rcChild.left + dx, rcChild.top + dy, 0, 0,
|
|
SWP_NOZORDER | SWP_NOSIZE | SWP_NOACTIVATE |
|
|
SWP_NOREDRAW);
|
|
UserDerefObjectCo(Child);
|
|
}
|
|
}
|
|
}
|
|
|
|
if (flags & (SW_INVALIDATE | SW_ERASE))
|
|
{
|
|
co_UserRedrawWindow(Window, NULL, hrgnOwn, RDW_INVALIDATE | RDW_ERASE |
|
|
((flags & SW_ERASE) ? RDW_ERASENOW : 0) |
|
|
((flags & SW_SCROLLCHILDREN) ? RDW_ALLCHILDREN : 0));
|
|
}
|
|
|
|
if ((CaretWnd = UserGetWindowObject(hwndCaret)))
|
|
{
|
|
UserRefObjectCo(CaretWnd, &CaretRef);
|
|
|
|
co_IntSetCaretPos(rcCaret.left + dx, rcCaret.top + dy);
|
|
co_UserShowCaret(CaretWnd);
|
|
|
|
UserDerefObjectCo(CaretWnd);
|
|
}
|
|
|
|
if (prcUnsafeUpdate)
|
|
{
|
|
_SEH2_TRY
|
|
{
|
|
/* Probe here, to not fail on invalid pointer before scrolling */
|
|
ProbeForWrite(prcUnsafeUpdate, sizeof(*prcUnsafeUpdate), 1);
|
|
*prcUnsafeUpdate = rcUpdate;
|
|
}
|
|
_SEH2_EXCEPT(EXCEPTION_EXECUTE_HANDLER)
|
|
{
|
|
Status = _SEH2_GetExceptionCode();
|
|
}
|
|
_SEH2_END
|
|
|
|
if (!NT_SUCCESS(Status))
|
|
{
|
|
SetLastNtError(Status);
|
|
RETURN(ERROR);
|
|
}
|
|
}
|
|
|
|
RETURN(Result);
|
|
|
|
CLEANUP:
|
|
if (hrgnOwn && !hrgnUpdate)
|
|
{
|
|
REGION_FreeRgnByHandle(hrgnOwn);
|
|
}
|
|
|
|
if (Window)
|
|
UserDerefObjectCo(Window);
|
|
|
|
DPRINT("Leave NtUserScrollWindowEx, ret=%i\n",_ret_);
|
|
UserLeave();
|
|
END_CLEANUP;
|
|
}
|
|
|
|
|
|
BOOL
|
|
UserDrawSysMenuButton(
|
|
PWINDOW_OBJECT pWnd,
|
|
HDC hDc,
|
|
RECTL *lpRc,
|
|
BOOL Down)
|
|
{
|
|
HICON hIcon;
|
|
PCURICON_OBJECT pIcon;
|
|
|
|
ASSERT(pWnd && lpRc);
|
|
|
|
/* Get the icon to draw. We don't care about WM_GETICON here. */
|
|
|
|
hIcon = pWnd->Wnd->pcls->hIconSm;
|
|
|
|
if(!hIcon)
|
|
{
|
|
DPRINT("Wnd class has no small icon.\n");
|
|
hIcon = pWnd->Wnd->pcls->hIcon;
|
|
}
|
|
|
|
if(!hIcon)
|
|
{
|
|
DPRINT("Wnd class hasn't any icon.\n");
|
|
//FIXME: Draw "winlogo" icon.
|
|
return FALSE;
|
|
}
|
|
|
|
if(!(pIcon = UserGetCurIconObject(hIcon)))
|
|
{
|
|
DPRINT1("UserGetCurIconObject() failed!\n");
|
|
return FALSE;
|
|
}
|
|
|
|
return UserDrawIconEx(hDc, lpRc->left, lpRc->top, pIcon,
|
|
UserGetSystemMetrics(SM_CXSMICON),
|
|
UserGetSystemMetrics(SM_CYSMICON),
|
|
0, NULL, DI_NORMAL);
|
|
}
|
|
|
|
BOOL
|
|
UserDrawCaptionText(
|
|
HDC hDc,
|
|
const PUNICODE_STRING Text,
|
|
const RECTL *lpRc,
|
|
UINT uFlags)
|
|
{
|
|
HFONT hOldFont = NULL, hFont = NULL;
|
|
COLORREF OldTextColor;
|
|
NONCLIENTMETRICSW nclm;
|
|
NTSTATUS Status;
|
|
#ifndef NDEBUG
|
|
INT i;
|
|
DPRINT("%s:", __FUNCTION__);
|
|
for(i = 0; i < Text->Length/sizeof(WCHAR); i++)
|
|
DbgPrint("%C", Text->Buffer[i]);
|
|
DbgPrint(", %d\n", Text->Length/sizeof(WCHAR));
|
|
#endif
|
|
|
|
nclm.cbSize = sizeof(nclm);
|
|
if(!UserSystemParametersInfo(SPI_GETNONCLIENTMETRICS,
|
|
sizeof(NONCLIENTMETRICS), &nclm, 0))
|
|
{
|
|
DPRINT1("%s: UserSystemParametersInfo() failed!\n", __FUNCTION__);
|
|
return FALSE;
|
|
}
|
|
|
|
IntGdiSetBkMode(hDc, TRANSPARENT);
|
|
|
|
if(uFlags & DC_SMALLCAP)
|
|
Status = TextIntCreateFontIndirect(&nclm.lfSmCaptionFont, &hFont);
|
|
else Status = TextIntCreateFontIndirect(&nclm.lfCaptionFont, &hFont);
|
|
|
|
if(!NT_SUCCESS(Status))
|
|
{
|
|
DPRINT1("%s: TextIntCreateFontIndirect() failed! Status: 0x%x\n",
|
|
__FUNCTION__, Status);
|
|
return FALSE;
|
|
}
|
|
|
|
hOldFont = NtGdiSelectFont(hDc, hFont);
|
|
if(!hOldFont)
|
|
{
|
|
DPRINT1("%s: SelectFont() failed!\n", __FUNCTION__);
|
|
GreDeleteObject(hFont);
|
|
return FALSE;
|
|
}
|
|
|
|
if(uFlags & DC_INBUTTON)
|
|
OldTextColor = IntGdiSetTextColor(hDc, IntGetSysColor(COLOR_BTNTEXT));
|
|
else OldTextColor = IntGdiSetTextColor(hDc, IntGetSysColor(uFlags & DC_ACTIVE
|
|
? COLOR_CAPTIONTEXT : COLOR_INACTIVECAPTIONTEXT));
|
|
|
|
//FIXME: If string doesn't fit to rc, truncate it and add ellipsis.
|
|
|
|
GreExtTextOutW(hDc, lpRc->left,
|
|
lpRc->top, 0, NULL, Text->Buffer,
|
|
Text->Length/sizeof(WCHAR), NULL, 0);
|
|
|
|
IntGdiSetTextColor(hDc, OldTextColor);
|
|
NtGdiSelectFont(hDc, hOldFont);
|
|
GreDeleteObject(hFont);
|
|
|
|
return TRUE;
|
|
}
|
|
|
|
BOOL UserDrawCaption(
|
|
PWINDOW_OBJECT pWnd,
|
|
HDC hDc,
|
|
RECTL *lpRc,
|
|
HFONT hFont,
|
|
HICON hIcon,
|
|
const PUNICODE_STRING str,
|
|
UINT uFlags)
|
|
{
|
|
BOOL Ret = FALSE;
|
|
HBITMAP hMemBmp = NULL, hOldBmp = NULL;
|
|
HBRUSH hOldBrush = NULL;
|
|
HDC hMemDc = NULL;
|
|
ULONG Height;
|
|
UINT VCenter = 0, Padding = 0;
|
|
RECTL r = *lpRc;
|
|
LONG ButtonWidth, IconWidth;
|
|
BOOL HasIcon;
|
|
PWND Wnd = NULL;
|
|
|
|
//ASSERT(pWnd != NULL);
|
|
|
|
if (pWnd)
|
|
Wnd = pWnd->Wnd;
|
|
|
|
RECTL_vMakeWellOrdered(lpRc);
|
|
hMemBmp = NtGdiCreateCompatibleBitmap(hDc,
|
|
lpRc->right - lpRc->left,
|
|
lpRc->bottom - lpRc->top);
|
|
|
|
if(!hMemBmp)
|
|
{
|
|
DPRINT1("%s: NtGdiCreateCompatibleBitmap() failed!\n", __FUNCTION__);
|
|
return FALSE;
|
|
}
|
|
|
|
hMemDc = NtGdiCreateCompatibleDC(hDc);
|
|
if(!hMemDc)
|
|
{
|
|
DPRINT1("%s: NtGdiCreateCompatibleDC() failed!\n", __FUNCTION__);
|
|
goto cleanup;
|
|
}
|
|
|
|
hOldBmp = NtGdiSelectBitmap(hMemDc, hMemBmp);
|
|
if(!hOldBmp)
|
|
{
|
|
DPRINT1("%s: NtGdiSelectBitmap() failed!\n", __FUNCTION__);
|
|
goto cleanup;
|
|
}
|
|
|
|
Height = UserGetSystemMetrics(SM_CYCAPTION) - 1;
|
|
VCenter = (lpRc->bottom - lpRc->top) / 2;
|
|
Padding = VCenter - (Height / 2);
|
|
|
|
if ((!hIcon) && (Wnd != NULL))
|
|
{
|
|
HasIcon = (uFlags & DC_ICON) && (Wnd->style & WS_SYSMENU)
|
|
&& !(uFlags & DC_SMALLCAP) && !(Wnd->ExStyle & WS_EX_DLGMODALFRAME)
|
|
&& !(Wnd->ExStyle & WS_EX_TOOLWINDOW);
|
|
}
|
|
else
|
|
HasIcon = (hIcon != 0);
|
|
|
|
IconWidth = UserGetSystemMetrics(SM_CXSIZE) + Padding;
|
|
|
|
r.left = Padding;
|
|
r.right = r.left + (lpRc->right - lpRc->left);
|
|
r.top = Padding;
|
|
r.bottom = r.top + (Height / 2);
|
|
|
|
// Draw the caption background
|
|
if(uFlags & DC_INBUTTON)
|
|
{
|
|
hOldBrush = NtGdiSelectBrush(hMemDc,
|
|
IntGetSysColorBrush(COLOR_3DFACE));
|
|
|
|
if(!hOldBrush)
|
|
{
|
|
DPRINT1("%s: NtGdiSelectBrush() failed!\n", __FUNCTION__);
|
|
goto cleanup;
|
|
}
|
|
|
|
if(!NtGdiPatBlt(hMemDc, 0, 0,
|
|
lpRc->right - lpRc->left,
|
|
lpRc->bottom - lpRc->top,
|
|
PATCOPY))
|
|
{
|
|
DPRINT1("%s: NtGdiPatBlt() failed!\n", __FUNCTION__);
|
|
goto cleanup;
|
|
}
|
|
|
|
if(HasIcon) r.left+=IconWidth;
|
|
}
|
|
else
|
|
{
|
|
r.right = (lpRc->right - lpRc->left);
|
|
if(uFlags & DC_SMALLCAP)
|
|
ButtonWidth = UserGetSystemMetrics(SM_CXSMSIZE) - 2;
|
|
else ButtonWidth = UserGetSystemMetrics(SM_CXSIZE) - 2;
|
|
|
|
hOldBrush = NtGdiSelectBrush(hMemDc,
|
|
IntGetSysColorBrush(uFlags & DC_ACTIVE ?
|
|
COLOR_ACTIVECAPTION : COLOR_INACTIVECAPTION));
|
|
|
|
if(!hOldBrush)
|
|
{
|
|
DPRINT1("%s: NtGdiSelectBrush() failed!\n", __FUNCTION__);
|
|
goto cleanup;
|
|
}
|
|
|
|
if(HasIcon && (uFlags & DC_GRADIENT))
|
|
{
|
|
NtGdiPatBlt(hMemDc, 0, 0,
|
|
IconWidth+1,
|
|
lpRc->bottom - lpRc->top,
|
|
PATCOPY);
|
|
r.left+=IconWidth;
|
|
}
|
|
else
|
|
{
|
|
NtGdiPatBlt(hMemDc, 0, 0,
|
|
lpRc->right - lpRc->left,
|
|
lpRc->bottom - lpRc->top,
|
|
PATCOPY);
|
|
}
|
|
|
|
if(uFlags & DC_GRADIENT)
|
|
{
|
|
static GRADIENT_RECT gcap = {0, 1};
|
|
TRIVERTEX vert[2];
|
|
COLORREF Colors[2];
|
|
|
|
if (Wnd != NULL)
|
|
{
|
|
if(Wnd->style & WS_SYSMENU)
|
|
{
|
|
r.right -= 3 + ButtonWidth;
|
|
if(!(uFlags & DC_SMALLCAP))
|
|
{
|
|
if(Wnd->style & (WS_MAXIMIZEBOX | WS_MINIMIZEBOX))
|
|
r.right -= 2 + 2 * ButtonWidth;
|
|
else r.right -= 2;
|
|
r.right -= 2;
|
|
}
|
|
|
|
//Draw buttons background
|
|
if(!NtGdiSelectBrush(hMemDc,
|
|
IntGetSysColorBrush(uFlags & DC_ACTIVE ?
|
|
COLOR_GRADIENTACTIVECAPTION:COLOR_GRADIENTINACTIVECAPTION)))
|
|
{
|
|
DPRINT1("%s: NtGdiSelectBrush() failed!\n", __FUNCTION__);
|
|
goto cleanup;
|
|
}
|
|
|
|
NtGdiPatBlt(hMemDc,
|
|
r.right,
|
|
0,
|
|
lpRc->right - lpRc->left - r.right,
|
|
lpRc->bottom - lpRc->top,
|
|
PATCOPY);
|
|
}
|
|
}
|
|
|
|
Colors[0] = IntGetSysColor((uFlags & DC_ACTIVE) ?
|
|
COLOR_ACTIVECAPTION : COLOR_INACTIVECAPTION);
|
|
|
|
Colors[1] = IntGetSysColor((uFlags & DC_ACTIVE) ?
|
|
COLOR_GRADIENTACTIVECAPTION : COLOR_GRADIENTINACTIVECAPTION);
|
|
|
|
vert[0].x = r.left;
|
|
vert[0].y = 0;
|
|
vert[0].Red = (WORD)Colors[0]<<8;
|
|
vert[0].Green = (WORD)Colors[0] & 0xFF00;
|
|
vert[0].Blue = (WORD)(Colors[0]>>8) & 0xFF00;
|
|
vert[0].Alpha = 0;
|
|
|
|
vert[1].x = r.right;
|
|
vert[1].y = lpRc->bottom - lpRc->top;
|
|
vert[1].Red = (WORD)Colors[1]<<8;
|
|
vert[1].Green = (WORD)Colors[1] & 0xFF00;
|
|
vert[1].Blue = (WORD)(Colors[1]>>8) & 0xFF00;
|
|
vert[1].Alpha = 0;
|
|
|
|
if(!GreGradientFill(hMemDc, vert, 2, &gcap,
|
|
1, GRADIENT_FILL_RECT_H))
|
|
{
|
|
DPRINT1("%s: IntGdiGradientFill() failed!\n", __FUNCTION__);
|
|
}
|
|
|
|
} //if(uFlags & DC_GRADIENT)
|
|
}
|
|
|
|
if(HasIcon)
|
|
{
|
|
r.top ++;
|
|
r.left -= --IconWidth;
|
|
/* FIXME: Draw the Icon when pWnd == NULL but hIcon is valid */
|
|
if (pWnd != NULL)
|
|
UserDrawSysMenuButton(pWnd, hMemDc, &r, FALSE);
|
|
|
|
r.left += IconWidth;
|
|
r.top --;
|
|
}
|
|
|
|
r.top ++;
|
|
r.left += 2;
|
|
|
|
r.bottom = r.top + Height;
|
|
|
|
if((uFlags & DC_TEXT))
|
|
{
|
|
if(!(uFlags & DC_GRADIENT))
|
|
{
|
|
r.right = (lpRc->right - lpRc->left);
|
|
|
|
if(uFlags & DC_SMALLCAP)
|
|
ButtonWidth = UserGetSystemMetrics(SM_CXSMSIZE) - 2;
|
|
else ButtonWidth = UserGetSystemMetrics(SM_CXSIZE) - 2;
|
|
|
|
if ((Wnd != NULL) && (Wnd->style & WS_SYSMENU))
|
|
{
|
|
r.right -= 3 + ButtonWidth;
|
|
if(! (uFlags & DC_SMALLCAP))
|
|
{
|
|
if(Wnd->style & (WS_MAXIMIZEBOX | WS_MINIMIZEBOX))
|
|
r.right -= 2 + 2 * ButtonWidth;
|
|
else r.right -= 2;
|
|
r.right -= 2;
|
|
}
|
|
}
|
|
}
|
|
|
|
/* FIXME: hFont isn't handled */
|
|
if (str)
|
|
UserDrawCaptionText(hMemDc, str, &r, uFlags);
|
|
else if (pWnd != NULL)
|
|
{
|
|
UNICODE_STRING ustr;
|
|
ustr.Buffer = pWnd->Wnd->strName.Buffer;
|
|
ustr.Length = pWnd->Wnd->strName.Length;
|
|
ustr.MaximumLength = pWnd->Wnd->strName.MaximumLength;
|
|
UserDrawCaptionText(hMemDc, &ustr, &r, uFlags);
|
|
}
|
|
}
|
|
|
|
if(!NtGdiBitBlt(hDc, lpRc->left, lpRc->top,
|
|
lpRc->right - lpRc->left, lpRc->bottom - lpRc->top,
|
|
hMemDc, 0, 0, SRCCOPY, 0, 0))
|
|
{
|
|
DPRINT1("%s: NtGdiBitBlt() failed!\n", __FUNCTION__);
|
|
goto cleanup;
|
|
}
|
|
|
|
Ret = TRUE;
|
|
|
|
cleanup:
|
|
if (hOldBrush) NtGdiSelectBrush(hMemDc, hOldBrush);
|
|
if (hOldBmp) NtGdiSelectBitmap(hMemDc, hOldBmp);
|
|
if (hMemBmp) GreDeleteObject(hMemBmp);
|
|
if (hMemDc) NtGdiDeleteObjectApp(hMemDc);
|
|
|
|
return Ret;
|
|
}
|
|
|
|
INT
|
|
FASTCALL
|
|
UserRealizePalette(HDC hdc)
|
|
{
|
|
HWND hWnd;
|
|
DWORD Ret;
|
|
|
|
Ret = IntGdiRealizePalette(hdc);
|
|
if (Ret) // There was a change.
|
|
{
|
|
hWnd = IntWindowFromDC(hdc);
|
|
if (hWnd) // Send broadcast if dc is associated with a window.
|
|
{ // FYI: Thread locked in CallOneParam.
|
|
co_IntSendMessage((HWND)HWND_BROADCAST, WM_PALETTECHANGED, (WPARAM)hWnd, 0);
|
|
}
|
|
}
|
|
return Ret;
|
|
}
|
|
|
|
BOOL
|
|
APIENTRY
|
|
NtUserDrawCaptionTemp(
|
|
HWND hWnd,
|
|
HDC hDC,
|
|
LPCRECT lpRc,
|
|
HFONT hFont,
|
|
HICON hIcon,
|
|
const PUNICODE_STRING str,
|
|
UINT uFlags)
|
|
{
|
|
PWINDOW_OBJECT pWnd = NULL;
|
|
UNICODE_STRING SafeStr = {0};
|
|
NTSTATUS Status = STATUS_SUCCESS;
|
|
RECTL SafeRect;
|
|
BOOL Ret;
|
|
|
|
UserEnterExclusive();
|
|
|
|
if (hWnd != NULL)
|
|
{
|
|
if(!(pWnd = UserGetWindowObject(hWnd)))
|
|
{
|
|
UserLeave();
|
|
return FALSE;
|
|
}
|
|
}
|
|
|
|
_SEH2_TRY
|
|
{
|
|
ProbeForRead(lpRc, sizeof(RECTL), sizeof(ULONG));
|
|
RtlCopyMemory(&SafeRect, lpRc, sizeof(RECTL));
|
|
if (str != NULL)
|
|
{
|
|
SafeStr = ProbeForReadUnicodeString(str);
|
|
if (SafeStr.Length != 0)
|
|
{
|
|
ProbeForRead( SafeStr.Buffer,
|
|
SafeStr.Length,
|
|
sizeof(WCHAR));
|
|
}
|
|
}
|
|
}
|
|
_SEH2_EXCEPT(EXCEPTION_EXECUTE_HANDLER)
|
|
{
|
|
Status = _SEH2_GetExceptionCode();
|
|
}
|
|
_SEH2_END;
|
|
|
|
if (Status != STATUS_SUCCESS)
|
|
{
|
|
SetLastNtError(Status);
|
|
UserLeave();
|
|
return FALSE;
|
|
}
|
|
|
|
if (str != NULL)
|
|
Ret = UserDrawCaption(pWnd, hDC, &SafeRect, hFont, hIcon, &SafeStr, uFlags);
|
|
else
|
|
Ret = UserDrawCaption(pWnd, hDC, &SafeRect, hFont, hIcon, NULL, uFlags);
|
|
|
|
UserLeave();
|
|
return Ret;
|
|
}
|
|
|
|
BOOL
|
|
APIENTRY
|
|
NtUserDrawCaption(HWND hWnd,
|
|
HDC hDC,
|
|
LPCRECT lpRc,
|
|
UINT uFlags)
|
|
{
|
|
return NtUserDrawCaptionTemp(hWnd, hDC, lpRc, 0, 0, NULL, uFlags);
|
|
}
|
|
|
|
BOOL
|
|
APIENTRY
|
|
NtUserInvalidateRect(
|
|
HWND hWnd,
|
|
CONST RECT *lpUnsafeRect,
|
|
BOOL bErase)
|
|
{
|
|
return NtUserRedrawWindow(hWnd, lpUnsafeRect, NULL, RDW_INVALIDATE | (bErase? RDW_ERASE : 0));
|
|
}
|
|
|
|
BOOL
|
|
APIENTRY
|
|
NtUserInvalidateRgn(
|
|
HWND hWnd,
|
|
HRGN hRgn,
|
|
BOOL bErase)
|
|
{
|
|
return NtUserRedrawWindow(hWnd, NULL, hRgn, RDW_INVALIDATE | (bErase? RDW_ERASE : 0));
|
|
}
|
|
|
|
/* ValidateRect gets redirected to NtUserValidateRect:
|
|
http://blog.csdn.net/ntdll/archive/2005/10/19/509299.aspx */
|
|
BOOL
|
|
APIENTRY
|
|
NtUserValidateRect(
|
|
HWND hWnd,
|
|
const RECT *lpRect)
|
|
{
|
|
if (hWnd)
|
|
{
|
|
return NtUserRedrawWindow(hWnd, lpRect, NULL, RDW_VALIDATE );
|
|
}
|
|
return NtUserRedrawWindow(hWnd, lpRect, NULL, RDW_INVALIDATE|RDW_ERASE|RDW_ERASENOW|RDW_ALLCHILDREN);
|
|
}
|
|
|
|
/* EOF */
|