Started rewrite of painting functions for multiple processes. Moved
BeginPaint to dlls/user. Fixed bug in paint count handling.
This commit is contained in:
parent
9c6af0a490
commit
4964c0f185
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@ -23,6 +23,7 @@ C_SRCS = \
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mouse.c \
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mouse.c \
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msg16.c \
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msg16.c \
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network.c \
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network.c \
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painting.c \
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property.c \
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property.c \
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resource.c \
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resource.c \
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text.c \
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text.c \
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@ -0,0 +1,231 @@
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/*
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* Window painting functions
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*
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* Copyright 1993, 1994, 1995, 2001 Alexandre Julliard
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* Copyright 1999 Alex Korobka
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*/
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#include <string.h>
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#include "windef.h"
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#include "wingdi.h"
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#include "wine/winuser16.h"
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#include "wine/server.h"
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#include "win.h"
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#include "dce.h"
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#include "debugtools.h"
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DEFAULT_DEBUG_CHANNEL(win);
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/***********************************************************************
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* add_paint_count
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*
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* Add an increment (normally 1 or -1) to the current paint count of a window.
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*/
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static void add_paint_count( HWND hwnd, int incr )
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{
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SERVER_START_REQ( inc_window_paint_count )
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{
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req->handle = hwnd;
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req->incr = incr;
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wine_server_call( req );
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}
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SERVER_END_REQ;
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}
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/***********************************************************************
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* copy_rgn
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*
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* copy a region, doing the right thing if the source region is 0 or 1
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*/
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static HRGN copy_rgn( HRGN hSrc )
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{
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if (hSrc > 1)
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{
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HRGN hrgn = CreateRectRgn( 0, 0, 0, 0 );
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CombineRgn( hrgn, hSrc, 0, RGN_COPY );
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return hrgn;
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}
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return hSrc;
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}
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/***********************************************************************
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* get_update_regions
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*
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* Return update regions for the whole window and for the client area.
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*/
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static void get_update_regions( WND *win, HRGN *whole_rgn, HRGN *client_rgn )
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{
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if (win->hrgnUpdate > 1)
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{
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RECT client, update;
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/* check if update rgn overlaps with nonclient area */
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GetRgnBox( win->hrgnUpdate, &update );
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client = win->rectClient;
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OffsetRect( &client, -win->rectWindow.left, -win->rectWindow.top );
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if (update.left < client.left || update.top < client.top ||
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update.right > client.right || update.bottom > client.bottom)
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{
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*whole_rgn = copy_rgn( win->hrgnUpdate );
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*client_rgn = CreateRectRgnIndirect( &client );
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if (CombineRgn( *client_rgn, *client_rgn, win->hrgnUpdate, RGN_AND ) == NULLREGION)
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{
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DeleteObject( *client_rgn );
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*client_rgn = 0;
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}
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}
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else
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{
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*whole_rgn = 0;
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*client_rgn = copy_rgn( win->hrgnUpdate );
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}
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}
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else
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{
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*client_rgn = *whole_rgn = win->hrgnUpdate; /* 0 or 1 */
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}
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}
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/***********************************************************************
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* begin_ncpaint
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*
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* Send a WM_NCPAINT message from inside BeginPaint().
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* Returns update region cropped to client rectangle (and in client coords),
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* and clears window update region and internal paint flag.
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*/
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static HRGN begin_ncpaint( HWND hwnd )
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{
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HRGN whole_rgn, client_rgn;
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WND *wnd = WIN_GetPtr( hwnd );
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if (!wnd || wnd == WND_OTHER_PROCESS) return 0;
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TRACE("hwnd %04x [%04x] ncf %i\n",
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hwnd, wnd->hrgnUpdate, wnd->flags & WIN_NEEDS_NCPAINT);
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get_update_regions( wnd, &whole_rgn, &client_rgn );
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if (whole_rgn) /* NOTE: WM_NCPAINT allows wParam to be 1 */
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{
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WIN_ReleasePtr( wnd );
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SendMessageA( hwnd, WM_NCPAINT, whole_rgn, 0 );
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if (whole_rgn > 1) DeleteObject( whole_rgn );
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/* make sure the window still exists before continuing */
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if (!(wnd = WIN_GetPtr( hwnd )) || wnd == WND_OTHER_PROCESS)
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{
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if (client_rgn > 1) DeleteObject( client_rgn );
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return 0;
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}
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}
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if (wnd->hrgnUpdate || (wnd->flags & WIN_INTERNAL_PAINT)) add_paint_count( hwnd, -1 );
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if (wnd->hrgnUpdate > 1) DeleteObject( wnd->hrgnUpdate );
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wnd->hrgnUpdate = 0;
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wnd->flags &= ~(WIN_INTERNAL_PAINT | WIN_NEEDS_NCPAINT | WIN_NEEDS_BEGINPAINT);
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if (client_rgn > 1) OffsetRgn( client_rgn, wnd->rectWindow.left - wnd->rectClient.left,
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wnd->rectWindow.top - wnd->rectClient.top );
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WIN_ReleasePtr( wnd );
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return client_rgn;
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}
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/***********************************************************************
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* BeginPaint (USER32.@)
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*/
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HDC WINAPI BeginPaint( HWND hwnd, PAINTSTRUCT *lps )
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{
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INT dcx_flags;
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BOOL bIcon;
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HRGN hrgnUpdate;
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RECT clipRect, clientRect;
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HWND full_handle;
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WND *wndPtr;
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if (!(full_handle = WIN_IsCurrentThread( hwnd )))
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{
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if (IsWindow(hwnd))
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FIXME( "window %x belongs to other thread\n", hwnd );
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return 0;
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}
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hwnd = full_handle;
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/* send WM_NCPAINT and retrieve update region */
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hrgnUpdate = begin_ncpaint( hwnd );
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if (!hrgnUpdate && !IsWindow( hwnd )) return 0;
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HideCaret( hwnd );
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bIcon = (IsIconic(hwnd) && GetClassLongA(hwnd, GCL_HICON));
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dcx_flags = DCX_INTERSECTRGN | DCX_WINDOWPAINT | DCX_USESTYLE;
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if (bIcon) dcx_flags |= DCX_WINDOW;
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if (GetClassLongA( hwnd, GCL_STYLE ) & CS_PARENTDC)
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{
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/* Don't clip the output to the update region for CS_PARENTDC window */
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if (hrgnUpdate > 1) DeleteObject( hrgnUpdate );
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hrgnUpdate = 0;
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dcx_flags &= ~DCX_INTERSECTRGN;
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}
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else
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{
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if (!hrgnUpdate) /* empty region, clip everything */
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{
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hrgnUpdate = CreateRectRgn( 0, 0, 0, 0 );
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}
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else if (hrgnUpdate == 1) /* whole client area, don't clip */
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{
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hrgnUpdate = 0;
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dcx_flags &= ~DCX_INTERSECTRGN;
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}
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}
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lps->hdc = GetDCEx( hwnd, hrgnUpdate, dcx_flags );
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/* ReleaseDC() in EndPaint() will delete the region */
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if (!lps->hdc)
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{
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WARN("GetDCEx() failed in BeginPaint(), hwnd=%04x\n", hwnd);
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DeleteObject( hrgnUpdate );
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return 0;
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}
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/* It is possible that the clip box is bigger than the window itself,
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if CS_PARENTDC flag is set. Windows never return a paint rect bigger
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than the window itself, so we need to intersect the cliprect with
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the window */
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GetClientRect( hwnd, &clientRect );
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GetClipBox( lps->hdc, &clipRect );
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LPtoDP(lps->hdc, (LPPOINT)&clipRect, 2); /* GetClipBox returns LP */
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IntersectRect(&lps->rcPaint, &clientRect, &clipRect);
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DPtoLP(lps->hdc, (LPPOINT)&lps->rcPaint, 2); /* we must return LP */
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TRACE("hdc = %x box = (%i,%i - %i,%i)\n",
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lps->hdc, lps->rcPaint.left, lps->rcPaint.top, lps->rcPaint.right, lps->rcPaint.bottom );
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if (!(wndPtr = WIN_GetPtr( hwnd )) || wndPtr == WND_OTHER_PROCESS) return 0;
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lps->fErase = !(wndPtr->flags & WIN_NEEDS_ERASEBKGND);
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wndPtr->flags &= ~WIN_NEEDS_ERASEBKGND;
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WIN_ReleasePtr( wndPtr );
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if (!lps->fErase)
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lps->fErase = !SendMessageA( hwnd, bIcon ? WM_ICONERASEBKGND : WM_ERASEBKGND,
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(WPARAM)lps->hdc, 0 );
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return lps->hdc;
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}
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/***********************************************************************
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* EndPaint (USER32.@)
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*/
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BOOL WINAPI EndPaint( HWND hwnd, const PAINTSTRUCT *lps )
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{
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ReleaseDC( hwnd, lps->hdc );
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ShowCaret( hwnd );
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return TRUE;
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}
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@ -214,6 +214,38 @@ INT16 WINAPI GetWindowTextLength16( HWND16 hwnd )
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}
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}
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/***********************************************************************
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* BeginPaint (USER.39)
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*/
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HDC16 WINAPI BeginPaint16( HWND16 hwnd, LPPAINTSTRUCT16 lps )
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{
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PAINTSTRUCT ps;
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BeginPaint( WIN_Handle32(hwnd), &ps );
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lps->hdc = ps.hdc;
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lps->fErase = ps.fErase;
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lps->rcPaint.top = ps.rcPaint.top;
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lps->rcPaint.left = ps.rcPaint.left;
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lps->rcPaint.right = ps.rcPaint.right;
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lps->rcPaint.bottom = ps.rcPaint.bottom;
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lps->fRestore = ps.fRestore;
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lps->fIncUpdate = ps.fIncUpdate;
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return lps->hdc;
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}
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/***********************************************************************
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* EndPaint (USER.40)
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*/
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BOOL16 WINAPI EndPaint16( HWND16 hwnd, const PAINTSTRUCT16* lps )
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{
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PAINTSTRUCT ps;
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ps.hdc = lps->hdc;
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return EndPaint( WIN_Handle32(hwnd), &ps );
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}
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/**************************************************************************
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/**************************************************************************
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* ShowWindow (USER.42)
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* ShowWindow (USER.42)
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*/
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*/
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@ -278,153 +278,6 @@ copyrgn:
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}
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}
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/***********************************************************************
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* BeginPaint (USER.39)
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*/
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HDC16 WINAPI BeginPaint16( HWND16 hwnd, LPPAINTSTRUCT16 lps )
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{
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PAINTSTRUCT ps;
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BeginPaint( WIN_Handle32(hwnd), &ps );
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lps->hdc = ps.hdc;
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lps->fErase = ps.fErase;
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lps->rcPaint.top = ps.rcPaint.top;
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lps->rcPaint.left = ps.rcPaint.left;
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lps->rcPaint.right = ps.rcPaint.right;
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lps->rcPaint.bottom = ps.rcPaint.bottom;
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lps->fRestore = ps.fRestore;
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lps->fIncUpdate = ps.fIncUpdate;
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return lps->hdc;
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}
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/***********************************************************************
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* BeginPaint (USER32.@)
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*/
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HDC WINAPI BeginPaint( HWND hwnd, PAINTSTRUCT *lps )
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{
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BOOL bIcon;
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HRGN hrgnUpdate;
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RECT clipRect, clientRect;
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HWND full_handle;
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WND *wndPtr;
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if (!(full_handle = WIN_IsCurrentThread( hwnd )))
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{
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if (IsWindow(hwnd))
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FIXME( "window %x belongs to other thread\n", hwnd );
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return 0;
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}
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hwnd = full_handle;
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bIcon = (IsIconic(hwnd) && GetClassLongA(hwnd, GCL_HICON));
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if (!(wndPtr = WIN_FindWndPtr( hwnd ))) return 0;
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wndPtr->flags &= ~WIN_NEEDS_BEGINPAINT;
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/* send WM_NCPAINT and make sure hrgnUpdate is a valid rgn handle */
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WIN_UpdateNCRgn( wndPtr, 0, UNC_UPDATE | UNC_IN_BEGINPAINT);
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/*
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* Make sure the window is still a window. All window locks are suspended
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* when the WM_NCPAINT is sent.
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*/
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if (!IsWindow( hwnd ))
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{
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WIN_ReleaseWndPtr(wndPtr);
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return 0;
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}
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if( ((hrgnUpdate = wndPtr->hrgnUpdate) != 0) || (wndPtr->flags & WIN_INTERNAL_PAINT))
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add_paint_count( hwnd, -1 );
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wndPtr->hrgnUpdate = 0;
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wndPtr->flags &= ~WIN_INTERNAL_PAINT;
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WIN_ReleaseWndPtr(wndPtr);
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HideCaret( hwnd );
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TRACE("hrgnUpdate = %04x, \n", hrgnUpdate);
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if (GetClassLongA( hwnd, GCL_STYLE ) & CS_PARENTDC)
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{
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/* Don't clip the output to the update region for CS_PARENTDC window */
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if( hrgnUpdate )
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DeleteObject(hrgnUpdate);
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lps->hdc = GetDCEx( hwnd, 0, DCX_WINDOWPAINT | DCX_USESTYLE |
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(bIcon ? DCX_WINDOW : 0) );
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}
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else
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{
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if( hrgnUpdate ) /* convert to client coordinates */
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OffsetRgn( hrgnUpdate, wndPtr->rectWindow.left - wndPtr->rectClient.left,
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wndPtr->rectWindow.top - wndPtr->rectClient.top );
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lps->hdc = GetDCEx(hwnd, hrgnUpdate, DCX_INTERSECTRGN |
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DCX_WINDOWPAINT | DCX_USESTYLE | (bIcon ? DCX_WINDOW : 0) );
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/* ReleaseDC() in EndPaint() will delete the region */
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}
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TRACE("hdc = %04x\n", lps->hdc);
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if (!lps->hdc)
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{
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WARN("GetDCEx() failed in BeginPaint(), hwnd=%04x\n", hwnd);
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return 0;
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}
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/* It is possible that the clip box is bigger than the window itself,
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|
||||||
if CS_PARENTDC flag is set. Windows never return a paint rect bigger
|
|
||||||
than the window itself, so we need to intersect the cliprect with
|
|
||||||
the window */
|
|
||||||
|
|
||||||
GetClientRect( hwnd, &clientRect );
|
|
||||||
|
|
||||||
GetClipBox( lps->hdc, &clipRect );
|
|
||||||
LPtoDP(lps->hdc, (LPPOINT)&clipRect, 2); /* GetClipBox returns LP */
|
|
||||||
|
|
||||||
IntersectRect(&lps->rcPaint, &clientRect, &clipRect);
|
|
||||||
DPtoLP(lps->hdc, (LPPOINT)&lps->rcPaint, 2); /* we must return LP */
|
|
||||||
|
|
||||||
TRACE("box = (%i,%i - %i,%i)\n", lps->rcPaint.left, lps->rcPaint.top,
|
|
||||||
lps->rcPaint.right, lps->rcPaint.bottom );
|
|
||||||
|
|
||||||
if (!(wndPtr = WIN_FindWndPtr( hwnd ))) return 0;
|
|
||||||
if (wndPtr->flags & WIN_NEEDS_ERASEBKGND)
|
|
||||||
{
|
|
||||||
wndPtr->flags &= ~WIN_NEEDS_ERASEBKGND;
|
|
||||||
lps->fErase = !SendMessageA(hwnd, (bIcon) ? WM_ICONERASEBKGND : WM_ERASEBKGND,
|
|
||||||
(WPARAM16)lps->hdc, 0 );
|
|
||||||
}
|
|
||||||
else lps->fErase = TRUE;
|
|
||||||
|
|
||||||
WIN_ReleaseWndPtr(wndPtr);
|
|
||||||
return lps->hdc;
|
|
||||||
}
|
|
||||||
|
|
||||||
|
|
||||||
/***********************************************************************
|
|
||||||
* EndPaint (USER.40)
|
|
||||||
*/
|
|
||||||
BOOL16 WINAPI EndPaint16( HWND16 hwnd, const PAINTSTRUCT16* lps )
|
|
||||||
{
|
|
||||||
ReleaseDC16( hwnd, lps->hdc );
|
|
||||||
ShowCaret16( hwnd );
|
|
||||||
return TRUE;
|
|
||||||
}
|
|
||||||
|
|
||||||
|
|
||||||
/***********************************************************************
|
|
||||||
* EndPaint (USER32.@)
|
|
||||||
*/
|
|
||||||
BOOL WINAPI EndPaint( HWND hwnd, const PAINTSTRUCT *lps )
|
|
||||||
{
|
|
||||||
ReleaseDC( hwnd, lps->hdc );
|
|
||||||
ShowCaret( hwnd );
|
|
||||||
return TRUE;
|
|
||||||
}
|
|
||||||
|
|
||||||
|
|
||||||
/***********************************************************************
|
/***********************************************************************
|
||||||
* RDW_ValidateParent [RDW_UpdateRgns() helper]
|
* RDW_ValidateParent [RDW_UpdateRgns() helper]
|
||||||
*
|
*
|
||||||
|
@ -858,8 +711,6 @@ BOOL WINAPI RedrawWindow( HWND hwnd, const RECT *rectUpdate,
|
||||||
{
|
{
|
||||||
if( !IntersectRect( &r2, &r, rectUpdate ) ) goto END;
|
if( !IntersectRect( &r2, &r, rectUpdate ) ) goto END;
|
||||||
OffsetRect( &r2, pt.x, pt.y );
|
OffsetRect( &r2, pt.x, pt.y );
|
||||||
|
|
||||||
rect2i:
|
|
||||||
if( wndPtr->hrgnUpdate == 0 )
|
if( wndPtr->hrgnUpdate == 0 )
|
||||||
wndPtr->hrgnUpdate = CreateRectRgnIndirect( &r2 );
|
wndPtr->hrgnUpdate = CreateRectRgnIndirect( &r2 );
|
||||||
else
|
else
|
||||||
|
@ -869,14 +720,16 @@ rect2i:
|
||||||
{
|
{
|
||||||
if( flags & RDW_FRAME )
|
if( flags & RDW_FRAME )
|
||||||
{
|
{
|
||||||
if( wndPtr->hrgnUpdate )
|
if (wndPtr->hrgnUpdate) hRgn = 1;
|
||||||
DeleteObject( wndPtr->hrgnUpdate );
|
else wndPtr->hrgnUpdate = 1;
|
||||||
wndPtr->hrgnUpdate = 1;
|
|
||||||
}
|
}
|
||||||
else
|
else
|
||||||
{
|
{
|
||||||
GETCLIENTRECTW( wndPtr, r2 );
|
GETCLIENTRECTW( wndPtr, r2 );
|
||||||
goto rect2i;
|
if( wndPtr->hrgnUpdate == 0 )
|
||||||
|
wndPtr->hrgnUpdate = CreateRectRgnIndirect( &r2 );
|
||||||
|
else
|
||||||
|
hRgn = CreateRectRgnIndirect( &r2 );
|
||||||
}
|
}
|
||||||
}
|
}
|
||||||
}
|
}
|
||||||
|
|
Loading…
Reference in New Issue