| /* |
| * Window painting functions |
| * |
| * Copyright 1993, 1994, 1995 Alexandre Julliard |
| * 1999 Alex Korobka |
| * |
| * This library is free software; you can redistribute it and/or |
| * modify it under the terms of the GNU Lesser General Public |
| * License as published by the Free Software Foundation; either |
| * version 2.1 of the License, or (at your option) any later version. |
| * |
| * This library is distributed in the hope that it will be useful, |
| * but WITHOUT ANY WARRANTY; without even the implied warranty of |
| * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU |
| * Lesser General Public License for more details. |
| * |
| * You should have received a copy of the GNU Lesser General Public |
| * License along with this library; if not, write to the Free Software |
| * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA |
| */ |
| |
| #include <string.h> |
| #include "windef.h" |
| #include "wingdi.h" |
| #include "wine/winuser16.h" |
| #include "wownt32.h" |
| #include "wine/unicode.h" |
| #include "wine/server.h" |
| #include "gdi.h" |
| #include "user.h" |
| #include "win.h" |
| #include "message.h" |
| #include "dce.h" |
| #include "wine/debug.h" |
| |
| WINE_DEFAULT_DEBUG_CHANNEL(win); |
| WINE_DECLARE_DEBUG_CHANNEL(nonclient); |
| |
| /* client rect in window coordinates */ |
| |
| #define GETCLIENTRECTW( wnd, r ) (r).left = (wnd)->rectClient.left - (wnd)->rectWindow.left; \ |
| (r).top = (wnd)->rectClient.top - (wnd)->rectWindow.top; \ |
| (r).right = (wnd)->rectClient.right - (wnd)->rectWindow.left; \ |
| (r).bottom = (wnd)->rectClient.bottom - (wnd)->rectWindow.top |
| |
| /* PAINT_RedrawWindow() control flags */ |
| #define RDW_EX_DELAY_NCPAINT 0x0020 |
| |
| /* WIN_UpdateNCRgn() flags */ |
| #define UNC_CHECK 0x0001 |
| #define UNC_ENTIRE 0x0002 |
| #define UNC_REGION 0x0004 |
| #define UNC_UPDATE 0x0008 |
| #define UNC_DELAY_NCPAINT 0x0010 |
| #define UNC_IN_BEGINPAINT 0x0020 |
| |
| /* Last COLOR id */ |
| #define COLOR_MAX COLOR_GRADIENTINACTIVECAPTION |
| |
| HPALETTE (WINAPI *pfnGDISelectPalette)(HDC hdc, HPALETTE hpal, WORD bkgnd ) = NULL; |
| UINT (WINAPI *pfnGDIRealizePalette)(HDC hdc) = NULL; |
| |
| |
| /*********************************************************************** |
| * add_paint_count |
| * |
| * Add an increment (normally 1 or -1) to the current paint count of a window. |
| */ |
| static void add_paint_count( HWND hwnd, int incr ) |
| { |
| SERVER_START_REQ( inc_window_paint_count ) |
| { |
| req->handle = hwnd; |
| req->incr = incr; |
| wine_server_call( req ); |
| } |
| SERVER_END_REQ; |
| } |
| |
| |
| /*********************************************************************** |
| * crop_rgn |
| * |
| * hSrc: Region to crop. |
| * lpRect: Clipping rectangle. |
| * |
| * hDst: Region to hold the result (a new region is created if it's 0). |
| * Allowed to be the same region as hSrc in which case everything |
| * will be done in place, with no memory reallocations. |
| * |
| * Returns: hDst if success, 0 otherwise. |
| */ |
| static HRGN crop_rgn( HRGN hDst, HRGN hSrc, const RECT *rect ) |
| { |
| HRGN h = CreateRectRgnIndirect( rect ); |
| if (hDst == 0) hDst = h; |
| CombineRgn( hDst, hSrc, h, RGN_AND ); |
| if (hDst != h) DeleteObject( h ); |
| return hDst; |
| } |
| |
| |
| /*********************************************************************** |
| * WIN_HaveToDelayNCPAINT |
| * |
| * Currently, in the Wine painting mechanism, the WM_NCPAINT message |
| * is generated as soon as a region intersecting the non-client area |
| * of a window is invalidated. |
| * |
| * This technique will work fine for all windows whose parents |
| * have the WS_CLIPCHILDREN style. When the parents have that style, |
| * they are not going to override the contents of their children. |
| * However, when the parent doesn't have that style, Windows relies |
| * on a "painter's algorithm" to display the contents of the windows. |
| * That is, windows are painted from back to front. This includes the |
| * non-client area. |
| * |
| * This method looks at the current state of a window to determine |
| * if the sending of the WM_NCPAINT message should be delayed until |
| * the BeginPaint call. |
| * |
| * PARAMS: |
| * wndPtr - A Locked window pointer to the window we're |
| * examining. |
| * uncFlags - This is the flag passed to the WIN_UpdateNCRgn |
| * function. This is a shortcut for the cases when |
| * we already know when to avoid scanning all the |
| * parents of a window. If you already know that this |
| * window's NCPAINT should be delayed, set the |
| * UNC_DELAY_NCPAINT flag for this parameter. |
| * |
| * This shortcut behavior is implemented in the |
| * RDW_Paint() method. |
| * |
| */ |
| static BOOL WIN_HaveToDelayNCPAINT( HWND hwnd, UINT uncFlags) |
| { |
| /* |
| * Test the shortcut first. (duh) |
| */ |
| if (uncFlags & UNC_DELAY_NCPAINT) |
| return TRUE; |
| |
| /* |
| * The UNC_IN_BEGINPAINT flag is set in the BeginPaint |
| * method only. This is another shortcut to avoid going |
| * up the parent's chain of the window to finally |
| * figure-out that none of them has an invalid region. |
| */ |
| if (uncFlags & UNC_IN_BEGINPAINT) |
| return FALSE; |
| |
| /* |
| * Scan all the parents of this window to find a window |
| * that doesn't have the WS_CLIPCHILDREN style and that |
| * has an invalid region. |
| */ |
| while ((hwnd = GetAncestor( hwnd, GA_PARENT ))) |
| { |
| WND* parentWnd = WIN_FindWndPtr( hwnd ); |
| if (parentWnd && !(parentWnd->dwStyle & WS_CLIPCHILDREN) && parentWnd->hrgnUpdate) |
| { |
| WIN_ReleaseWndPtr( parentWnd ); |
| return TRUE; |
| } |
| WIN_ReleaseWndPtr( parentWnd ); |
| } |
| return FALSE; |
| } |
| |
| /*********************************************************************** |
| * WIN_UpdateNCRgn |
| * |
| * Things to do: |
| * Send WM_NCPAINT if required (when nonclient is invalid or UNC_ENTIRE flag is set) |
| * Crop hrgnUpdate to a client rect, especially if it 1. |
| * If UNC_REGION is set return update region for the client rect. |
| * |
| * NOTE: UNC_REGION is mainly for the RDW_Paint() chunk that sends WM_ERASEBKGND message. |
| * The trick is that when the returned region handle may be different from hRgn. |
| * In this case the old hRgn must be considered gone. BUT, if the returned value |
| * is 1 then the hRgn is preserved and RDW_Paint() will have to get |
| * a DC without extra clipping region. |
| */ |
| static HRGN WIN_UpdateNCRgn(WND* wnd, HRGN hRgn, UINT uncFlags ) |
| { |
| RECT r; |
| HRGN hClip = 0; |
| HRGN hrgnRet = 0; |
| |
| TRACE_(nonclient)("hwnd %p [%p] hrgn %p, unc %04x, ncf %i\n", |
| wnd->hwndSelf, wnd->hrgnUpdate, hRgn, uncFlags, wnd->flags & WIN_NEEDS_NCPAINT); |
| |
| /* desktop window doesn't have a nonclient area */ |
| if(wnd->hwndSelf == GetDesktopWindow()) |
| { |
| wnd->flags &= ~WIN_NEEDS_NCPAINT; |
| if( wnd->hrgnUpdate > (HRGN)1 ) |
| { |
| if (!hRgn) hRgn = CreateRectRgn( 0, 0, 0, 0 ); |
| CombineRgn( hRgn, wnd->hrgnUpdate, 0, RGN_COPY ); |
| hrgnRet = hRgn; |
| } |
| else |
| { |
| hrgnRet = wnd->hrgnUpdate; |
| } |
| return hrgnRet; |
| } |
| |
| if ((wnd->hwndSelf == GetForegroundWindow()) && |
| !(wnd->flags & WIN_NCACTIVATED) ) |
| { |
| wnd->flags |= WIN_NCACTIVATED; |
| uncFlags |= UNC_ENTIRE; |
| } |
| |
| /* |
| * If the window's non-client area needs to be painted, |
| */ |
| if ( ( wnd->flags & WIN_NEEDS_NCPAINT ) && |
| !WIN_HaveToDelayNCPAINT(wnd->hwndSelf, uncFlags) ) |
| { |
| RECT r2, r3; |
| |
| wnd->flags &= ~WIN_NEEDS_NCPAINT; |
| GETCLIENTRECTW( wnd, r ); |
| |
| TRACE_(nonclient)( "\tclient box (%ld,%ld-%ld,%ld), hrgnUpdate %p\n", |
| r.left, r.top, r.right, r.bottom, wnd->hrgnUpdate ); |
| if( wnd->hrgnUpdate > (HRGN)1 ) |
| { |
| /* Check if update rgn overlaps with nonclient area */ |
| |
| GetRgnBox( wnd->hrgnUpdate, &r2 ); |
| UnionRect( &r3, &r2, &r ); |
| if( r3.left != r.left || r3.top != r.top || |
| r3.right != r.right || r3.bottom != r.bottom ) /* it does */ |
| { |
| /* crop hrgnUpdate, save old one in hClip - the only |
| * case that places a valid region handle in hClip */ |
| |
| hClip = wnd->hrgnUpdate; |
| wnd->hrgnUpdate = crop_rgn( hRgn, hClip, &r ); |
| if( uncFlags & UNC_REGION ) hrgnRet = hClip; |
| } |
| |
| if( uncFlags & UNC_CHECK ) |
| { |
| GetRgnBox( wnd->hrgnUpdate, &r3 ); |
| if( IsRectEmpty( &r3 ) ) |
| { |
| /* delete the update region since all invalid |
| * parts were in the nonclient area */ |
| |
| DeleteObject( wnd->hrgnUpdate ); |
| wnd->hrgnUpdate = 0; |
| if(!(wnd->flags & WIN_INTERNAL_PAINT)) |
| add_paint_count( wnd->hwndSelf, -1 ); |
| |
| wnd->flags &= ~WIN_NEEDS_ERASEBKGND; |
| } |
| } |
| |
| if(!hClip && wnd->hrgnUpdate ) goto copyrgn; |
| } |
| else |
| if( wnd->hrgnUpdate == (HRGN)1 )/* entire window */ |
| { |
| if( uncFlags & UNC_UPDATE ) wnd->hrgnUpdate = CreateRectRgnIndirect( &r ); |
| if( uncFlags & UNC_REGION ) hrgnRet = (HRGN)1; |
| uncFlags |= UNC_ENTIRE; |
| } |
| } |
| else /* no WM_NCPAINT unless forced */ |
| { |
| if( wnd->hrgnUpdate > (HRGN)1 ) |
| { |
| copyrgn: |
| if( uncFlags & UNC_REGION ) |
| { |
| if (!hRgn) hRgn = CreateRectRgn( 0, 0, 0, 0 ); |
| CombineRgn( hRgn, wnd->hrgnUpdate, 0, RGN_COPY ); |
| hrgnRet = hRgn; |
| } |
| } |
| else |
| if( wnd->hrgnUpdate == (HRGN)1 && (uncFlags & UNC_UPDATE) ) |
| { |
| GETCLIENTRECTW( wnd, r ); |
| wnd->hrgnUpdate = CreateRectRgnIndirect( &r ); |
| if( uncFlags & UNC_REGION ) hrgnRet = (HRGN)1; |
| } |
| } |
| |
| if(!hClip && (uncFlags & UNC_ENTIRE) ) |
| { |
| /* still don't do anything if there is no nonclient area */ |
| hClip = (HRGN)(memcmp( &wnd->rectWindow, &wnd->rectClient, sizeof(RECT) ) != 0); |
| } |
| |
| if( hClip ) /* NOTE: WM_NCPAINT allows wParam to be 1 */ |
| { |
| if ( hClip == hrgnRet && hrgnRet > (HRGN)1 ) { |
| hClip = CreateRectRgn( 0, 0, 0, 0 ); |
| CombineRgn( hClip, hrgnRet, 0, RGN_COPY ); |
| } |
| |
| SendMessageA( wnd->hwndSelf, WM_NCPAINT, (WPARAM)hClip, 0L ); |
| if( (hClip > (HRGN)1) && (hClip != hRgn) && (hClip != hrgnRet) ) |
| DeleteObject( hClip ); |
| /* |
| * Since all Window locks are suspended while processing the WM_NCPAINT |
| * we want to make sure the window still exists before continuing. |
| */ |
| if (!IsWindow(wnd->hwndSelf)) |
| { |
| DeleteObject(hrgnRet); |
| hrgnRet=0; |
| } |
| } |
| |
| TRACE_(nonclient)("returning %p (hClip = %p, hrgnUpdate = %p)\n", hrgnRet, hClip, wnd->hrgnUpdate ); |
| |
| return hrgnRet; |
| } |
| |
| |
| /*********************************************************************** |
| * RDW_ValidateParent [RDW_UpdateRgns() helper] |
| * |
| * Validate the portions of parents that are covered by a validated child |
| * wndPtr = child |
| */ |
| static void RDW_ValidateParent(WND *wndChild) |
| { |
| HWND parent; |
| HRGN hrg; |
| |
| if (wndChild->hrgnUpdate == (HRGN)1 ) { |
| RECT r; |
| r.left = 0; |
| r.top = 0; |
| r.right = wndChild->rectWindow.right - wndChild->rectWindow.left; |
| r.bottom = wndChild->rectWindow.bottom - wndChild->rectWindow.top; |
| hrg = CreateRectRgnIndirect( &r ); |
| } else |
| hrg = wndChild->hrgnUpdate; |
| |
| parent = GetAncestor( wndChild->hwndSelf, GA_PARENT ); |
| while (parent && parent != GetDesktopWindow()) |
| { |
| WND *wndParent = WIN_FindWndPtr( parent ); |
| if (wndParent && !(wndParent->dwStyle & WS_CLIPCHILDREN)) |
| { |
| if (wndParent->hrgnUpdate != 0) |
| { |
| POINT ptOffset; |
| RECT rect, rectParent; |
| if( wndParent->hrgnUpdate == (HRGN)1 ) |
| { |
| RECT r; |
| |
| r.left = 0; |
| r.top = 0; |
| r.right = wndParent->rectWindow.right - wndParent->rectWindow.left; |
| r.bottom = wndParent->rectWindow.bottom - wndParent->rectWindow.top; |
| |
| wndParent->hrgnUpdate = CreateRectRgnIndirect( &r ); |
| } |
| /* we must offset the child region by the offset of the child rect in the parent */ |
| GetWindowRect(wndParent->hwndSelf, &rectParent); |
| GetWindowRect(wndChild->hwndSelf, &rect); |
| ptOffset.x = rect.left - rectParent.left; |
| ptOffset.y = rect.top - rectParent.top; |
| OffsetRgn( hrg, ptOffset.x, ptOffset.y ); |
| CombineRgn( wndParent->hrgnUpdate, wndParent->hrgnUpdate, hrg, RGN_DIFF ); |
| OffsetRgn( hrg, -ptOffset.x, -ptOffset.y ); |
| } |
| } |
| WIN_ReleaseWndPtr( wndParent ); |
| parent = GetAncestor( parent, GA_PARENT ); |
| } |
| if (hrg != wndChild->hrgnUpdate) DeleteObject( hrg ); |
| } |
| |
| /*********************************************************************** |
| * RDW_UpdateRgns [RedrawWindow() helper] |
| * |
| * Walks the window tree and adds/removes parts of the hRgn to/from update |
| * regions of windows that overlap it. Also, manages internal paint flags. |
| * |
| * NOTE: Walks the window tree so the caller must lock it. |
| * MUST preserve hRgn (can modify but then has to restore). |
| */ |
| static void RDW_UpdateRgns( WND* wndPtr, HRGN hRgn, UINT flags, BOOL firstRecursLevel ) |
| { |
| /* |
| * Called only when one of the following is set: |
| * (RDW_INVALIDATE | RDW_VALIDATE | RDW_INTERNALPAINT | RDW_NOINTERNALPAINT) |
| */ |
| |
| BOOL bHadOne = wndPtr->hrgnUpdate && hRgn; |
| BOOL bChildren = (!(flags & RDW_NOCHILDREN) && !(wndPtr->dwStyle & WS_MINIMIZE) && |
| ((flags & RDW_ALLCHILDREN) || !(wndPtr->dwStyle & WS_CLIPCHILDREN)) ); |
| RECT r; |
| |
| r.left = 0; |
| r.top = 0; |
| r.right = wndPtr->rectWindow.right - wndPtr->rectWindow.left; |
| r.bottom = wndPtr->rectWindow.bottom - wndPtr->rectWindow.top; |
| |
| TRACE("\thwnd %p [%p] -> hrgn [%p], flags [%04x]\n", wndPtr->hwndSelf, wndPtr->hrgnUpdate, hRgn, flags ); |
| |
| if( flags & RDW_INVALIDATE ) |
| { |
| if( hRgn > (HRGN)1 ) |
| { |
| switch ((UINT)wndPtr->hrgnUpdate) |
| { |
| default: |
| CombineRgn( wndPtr->hrgnUpdate, wndPtr->hrgnUpdate, hRgn, RGN_OR ); |
| /* fall through */ |
| case 0: |
| wndPtr->hrgnUpdate = crop_rgn( wndPtr->hrgnUpdate, |
| wndPtr->hrgnUpdate ? wndPtr->hrgnUpdate : hRgn, |
| &r ); |
| if( !bHadOne ) |
| { |
| GetRgnBox( wndPtr->hrgnUpdate, &r ); |
| if( IsRectEmpty( &r ) ) |
| { |
| DeleteObject( wndPtr->hrgnUpdate ); |
| wndPtr->hrgnUpdate = 0; |
| goto end; |
| } |
| } |
| break; |
| case 1: /* already an entire window */ |
| break; |
| } |
| } |
| else if( hRgn == (HRGN)1 ) |
| { |
| if( wndPtr->hrgnUpdate > (HRGN)1 ) |
| DeleteObject( wndPtr->hrgnUpdate ); |
| wndPtr->hrgnUpdate = (HRGN)1; |
| } |
| else |
| hRgn = wndPtr->hrgnUpdate; /* this is a trick that depends on code in PAINT_RedrawWindow() */ |
| |
| if( !bHadOne && !(wndPtr->flags & WIN_INTERNAL_PAINT) ) |
| add_paint_count( wndPtr->hwndSelf, 1 ); |
| |
| if (flags & RDW_FRAME) wndPtr->flags |= WIN_NEEDS_NCPAINT; |
| if (flags & RDW_ERASE) wndPtr->flags |= WIN_NEEDS_ERASEBKGND; |
| flags |= RDW_FRAME; |
| } |
| else if( flags & RDW_VALIDATE ) |
| { |
| if( wndPtr->hrgnUpdate ) |
| { |
| if( hRgn > (HRGN)1 ) |
| { |
| if( wndPtr->hrgnUpdate == (HRGN)1 ) |
| wndPtr->hrgnUpdate = CreateRectRgnIndirect( &r ); |
| |
| if( CombineRgn( wndPtr->hrgnUpdate, wndPtr->hrgnUpdate, hRgn, RGN_DIFF ) |
| == NULLREGION ) |
| { |
| DeleteObject( wndPtr->hrgnUpdate ); |
| wndPtr->hrgnUpdate = 0; |
| } |
| } |
| else /* validate everything */ |
| { |
| if( wndPtr->hrgnUpdate > (HRGN)1 ) DeleteObject( wndPtr->hrgnUpdate ); |
| wndPtr->hrgnUpdate = 0; |
| } |
| |
| if( !wndPtr->hrgnUpdate ) |
| { |
| wndPtr->flags &= ~WIN_NEEDS_ERASEBKGND; |
| if( !(wndPtr->flags & WIN_INTERNAL_PAINT) ) |
| add_paint_count( wndPtr->hwndSelf, -1 ); |
| } |
| } |
| |
| if (flags & RDW_NOFRAME) wndPtr->flags &= ~WIN_NEEDS_NCPAINT; |
| if (flags & RDW_NOERASE) wndPtr->flags &= ~WIN_NEEDS_ERASEBKGND; |
| |
| } |
| |
| if ((firstRecursLevel) && (wndPtr->hrgnUpdate != 0) && (flags & RDW_UPDATENOW)) |
| RDW_ValidateParent(wndPtr); /* validate parent covered by region */ |
| |
| /* in/validate child windows that intersect with the region if it |
| * is a valid handle. */ |
| |
| if( flags & (RDW_INVALIDATE | RDW_VALIDATE) ) |
| { |
| HWND *list; |
| if( hRgn > (HRGN)1 && bChildren && (list = WIN_ListChildren( wndPtr->hwndSelf ))) |
| { |
| POINT ptTotal, prevOrigin = {0,0}; |
| POINT ptClient; |
| INT i; |
| |
| ptClient.x = wndPtr->rectClient.left - wndPtr->rectWindow.left; |
| ptClient.y = wndPtr->rectClient.top - wndPtr->rectWindow.top; |
| |
| for(i = ptTotal.x = ptTotal.y = 0; list[i]; i++) |
| { |
| WND *wnd = WIN_FindWndPtr( list[i] ); |
| if (!wnd) continue; |
| if( wnd->dwStyle & WS_VISIBLE ) |
| { |
| POINT ptOffset; |
| |
| r.left = wnd->rectWindow.left + ptClient.x; |
| r.right = wnd->rectWindow.right + ptClient.x; |
| r.top = wnd->rectWindow.top + ptClient.y; |
| r.bottom = wnd->rectWindow.bottom + ptClient.y; |
| |
| ptOffset.x = r.left - prevOrigin.x; |
| ptOffset.y = r.top - prevOrigin.y; |
| OffsetRect( &r, -ptTotal.x, -ptTotal.y ); |
| |
| if( RectInRegion( hRgn, &r ) ) |
| { |
| OffsetRgn( hRgn, -ptOffset.x, -ptOffset.y ); |
| RDW_UpdateRgns( wnd, hRgn, flags, FALSE ); |
| prevOrigin.x = r.left + ptTotal.x; |
| prevOrigin.y = r.top + ptTotal.y; |
| ptTotal.x += ptOffset.x; |
| ptTotal.y += ptOffset.y; |
| } |
| } |
| WIN_ReleaseWndPtr( wnd ); |
| } |
| HeapFree( GetProcessHeap(), 0, list ); |
| OffsetRgn( hRgn, ptTotal.x, ptTotal.y ); |
| bChildren = 0; |
| } |
| } |
| |
| /* handle hRgn == 1 (alias for entire window) and/or internal paint recursion */ |
| |
| if( bChildren ) |
| { |
| HWND *list; |
| if ((list = WIN_ListChildren( wndPtr->hwndSelf ))) |
| { |
| INT i; |
| for (i = 0; list[i]; i++) |
| { |
| WND *wnd = WIN_FindWndPtr( list[i] ); |
| if (!wnd) continue; |
| if( wnd->dwStyle & WS_VISIBLE ) |
| RDW_UpdateRgns( wnd, hRgn, flags, FALSE ); |
| WIN_ReleaseWndPtr( wnd ); |
| } |
| HeapFree( GetProcessHeap(), 0, list ); |
| } |
| } |
| |
| end: |
| |
| /* Set/clear internal paint flag */ |
| |
| if (flags & RDW_INTERNALPAINT) |
| { |
| if ( !wndPtr->hrgnUpdate && !(wndPtr->flags & WIN_INTERNAL_PAINT)) |
| add_paint_count( wndPtr->hwndSelf, 1 ); |
| wndPtr->flags |= WIN_INTERNAL_PAINT; |
| } |
| else if (flags & RDW_NOINTERNALPAINT) |
| { |
| if ( !wndPtr->hrgnUpdate && (wndPtr->flags & WIN_INTERNAL_PAINT)) |
| add_paint_count( wndPtr->hwndSelf, -1 ); |
| wndPtr->flags &= ~WIN_INTERNAL_PAINT; |
| } |
| } |
| |
| /*********************************************************************** |
| * RDW_Paint [RedrawWindow() helper] |
| * |
| * Walks the window tree and paints/erases windows that have |
| * nonzero update regions according to redraw flags. hrgn is a scratch |
| * region passed down during recursion. Must not be 1. |
| * |
| */ |
| static HRGN RDW_Paint( WND* wndPtr, HRGN hrgn, UINT flags, UINT ex ) |
| { |
| /* NOTE: wndPtr is locked by caller. |
| * |
| * FIXME: Windows uses WM_SYNCPAINT to cut down the number of intertask |
| * SendMessage() calls. This is a comment inside DefWindowProc() source |
| * from 16-bit SDK: |
| * |
| * This message avoids lots of inter-app message traffic |
| * by switching to the other task and continuing the |
| * recursion there. |
| * |
| * wParam = flags |
| * LOWORD(lParam) = hrgnClip |
| * HIWORD(lParam) = hwndSkip (not used; always NULL) |
| * |
| */ |
| HDC hDC; |
| HWND hWnd = wndPtr->hwndSelf; |
| BOOL bIcon = ((wndPtr->dwStyle & WS_MINIMIZE) && GetClassLongA(hWnd, GCL_HICON)); |
| |
| /* Erase/update the window itself ... */ |
| |
| TRACE("\thwnd %p [%p] -> hrgn [%p], flags [%04x]\n", hWnd, wndPtr->hrgnUpdate, hrgn, flags ); |
| |
| /* |
| * Check if this window should delay it's processing of WM_NCPAINT. |
| * See WIN_HaveToDelayNCPAINT for a description of the mechanism |
| */ |
| if ((ex & RDW_EX_DELAY_NCPAINT) || WIN_HaveToDelayNCPAINT(wndPtr->hwndSelf, 0) ) |
| ex |= RDW_EX_DELAY_NCPAINT; |
| |
| if (flags & RDW_UPDATENOW) |
| { |
| if (wndPtr->hrgnUpdate) /* wm_painticon wparam is 1 */ |
| SendMessageW( hWnd, (bIcon) ? WM_PAINTICON : WM_PAINT, bIcon, 0 ); |
| } |
| else if (flags & RDW_ERASENOW) |
| { |
| UINT dcx = DCX_INTERSECTRGN | DCX_USESTYLE | DCX_KEEPCLIPRGN | DCX_WINDOWPAINT | DCX_CACHE; |
| HRGN hrgnRet; |
| |
| hrgnRet = WIN_UpdateNCRgn(wndPtr, |
| hrgn, |
| UNC_REGION | UNC_CHECK | |
| ((ex & RDW_EX_DELAY_NCPAINT) ? UNC_DELAY_NCPAINT : 0) ); |
| |
| if( hrgnRet ) |
| { |
| if( hrgnRet > (HRGN)1 ) hrgn = hrgnRet; else hrgnRet = 0; /* entire client */ |
| if( wndPtr->flags & WIN_NEEDS_ERASEBKGND ) |
| { |
| if( bIcon ) dcx |= DCX_WINDOW; |
| else |
| if( hrgnRet ) |
| OffsetRgn( hrgnRet, wndPtr->rectWindow.left - wndPtr->rectClient.left, |
| wndPtr->rectWindow.top - wndPtr->rectClient.top); |
| else |
| dcx &= ~DCX_INTERSECTRGN; |
| if (( hDC = GetDCEx( hWnd, hrgnRet, dcx )) ) |
| { |
| if (SendMessageW( hWnd, (bIcon) ? WM_ICONERASEBKGND : WM_ERASEBKGND, |
| (WPARAM)hDC, 0 )) |
| wndPtr->flags &= ~WIN_NEEDS_ERASEBKGND; |
| ReleaseDC( hWnd, hDC ); |
| } |
| } |
| } |
| } |
| |
| if( !IsWindow(hWnd) ) return hrgn; |
| |
| /* ... and its child windows */ |
| |
| if(!(flags & RDW_NOCHILDREN) && !(wndPtr->dwStyle & WS_MINIMIZE) && |
| ((flags & RDW_ALLCHILDREN) || !(wndPtr->dwStyle & WS_CLIPCHILDREN)) ) |
| { |
| HWND *list, *phwnd; |
| |
| if( (list = WIN_ListChildren( wndPtr->hwndSelf )) ) |
| { |
| for (phwnd = list; *phwnd; phwnd++) |
| { |
| if (!(wndPtr = WIN_FindWndPtr( *phwnd ))) continue; |
| if ( (wndPtr->dwStyle & WS_VISIBLE) && |
| (wndPtr->hrgnUpdate || (wndPtr->flags & WIN_INTERNAL_PAINT)) ) |
| hrgn = RDW_Paint( wndPtr, hrgn, flags, ex ); |
| WIN_ReleaseWndPtr(wndPtr); |
| } |
| HeapFree( GetProcessHeap(), 0, list ); |
| } |
| } |
| |
| return hrgn; |
| } |
| |
| |
| /*********************************************************************** |
| * RedrawWindow (USER32.@) |
| */ |
| BOOL WINAPI RedrawWindow( HWND hwnd, const RECT *rectUpdate, |
| HRGN hrgnUpdate, UINT flags ) |
| { |
| HRGN hRgn = 0; |
| RECT r, r2; |
| POINT pt; |
| WND* wndPtr; |
| |
| if (!hwnd) hwnd = GetDesktopWindow(); |
| |
| /* check if the window or its parents are visible/not minimized */ |
| |
| if (!WIN_IsWindowDrawable( hwnd, !(flags & RDW_FRAME) )) return TRUE; |
| |
| /* process pending events and messages before painting */ |
| if (flags & RDW_UPDATENOW) |
| MsgWaitForMultipleObjects( 0, NULL, FALSE, 0, QS_ALLINPUT ); |
| |
| if (!(wndPtr = WIN_FindWndPtr( hwnd ))) return FALSE; |
| if (TRACE_ON(win)) |
| { |
| if( hrgnUpdate ) |
| { |
| GetRgnBox( hrgnUpdate, &r ); |
| TRACE( "%p (%p) NULL %p box (%ld,%ld-%ld,%ld) flags=%04x\n", |
| hwnd, wndPtr->hrgnUpdate, hrgnUpdate, r.left, r.top, r.right, r.bottom, flags ); |
| } |
| else |
| { |
| if( rectUpdate ) |
| r = *rectUpdate; |
| else |
| SetRectEmpty( &r ); |
| TRACE( "%p (%p) %s %ld,%ld-%ld,%ld %p flags=%04x\n", |
| hwnd, wndPtr->hrgnUpdate, rectUpdate ? "rect" : "NULL", r.left, |
| r.top, r.right, r.bottom, hrgnUpdate, flags ); |
| } |
| } |
| |
| /* prepare an update region in window coordinates */ |
| |
| if (((flags & (RDW_INVALIDATE|RDW_FRAME)) == (RDW_INVALIDATE|RDW_FRAME)) || |
| ((flags & (RDW_VALIDATE|RDW_NOFRAME)) == (RDW_VALIDATE|RDW_NOFRAME))) |
| r = wndPtr->rectWindow; |
| else |
| r = wndPtr->rectClient; |
| |
| pt.x = wndPtr->rectClient.left - wndPtr->rectWindow.left; |
| pt.y = wndPtr->rectClient.top - wndPtr->rectWindow.top; |
| OffsetRect( &r, -wndPtr->rectClient.left, -wndPtr->rectClient.top ); |
| |
| if (flags & RDW_INVALIDATE) /* ------------------------- Invalidate */ |
| { |
| /* If the window doesn't have hrgnUpdate we leave hRgn zero |
| * and put a new region straight into wndPtr->hrgnUpdate |
| * so that RDW_UpdateRgns() won't have to do any extra work. |
| */ |
| |
| if( hrgnUpdate ) |
| { |
| if( wndPtr->hrgnUpdate ) |
| { |
| hRgn = CreateRectRgn( 0, 0, 0, 0 ); |
| CombineRgn( hRgn, hrgnUpdate, 0, RGN_COPY ); |
| OffsetRgn( hRgn, pt.x, pt.y ); |
| } |
| else |
| { |
| wndPtr->hrgnUpdate = crop_rgn( 0, hrgnUpdate, &r ); |
| OffsetRgn( wndPtr->hrgnUpdate, pt.x, pt.y ); |
| } |
| } |
| else if( rectUpdate ) |
| { |
| if( !IntersectRect( &r2, &r, rectUpdate ) ) goto END; |
| OffsetRect( &r2, pt.x, pt.y ); |
| if( wndPtr->hrgnUpdate == 0 ) |
| wndPtr->hrgnUpdate = CreateRectRgnIndirect( &r2 ); |
| else |
| hRgn = CreateRectRgnIndirect( &r2 ); |
| } |
| else /* entire window or client depending on RDW_FRAME */ |
| { |
| if( flags & RDW_FRAME ) |
| { |
| if (wndPtr->hrgnUpdate) hRgn = (HRGN)1; |
| else wndPtr->hrgnUpdate = (HRGN)1; |
| } |
| else |
| { |
| GETCLIENTRECTW( wndPtr, r2 ); |
| if( wndPtr->hrgnUpdate == 0 ) |
| wndPtr->hrgnUpdate = CreateRectRgnIndirect( &r2 ); |
| else |
| hRgn = CreateRectRgnIndirect( &r2 ); |
| } |
| } |
| } |
| else if (flags & RDW_VALIDATE) /* ------------------------- Validate */ |
| { |
| /* In this we cannot leave with zero hRgn */ |
| if( hrgnUpdate ) |
| { |
| hRgn = crop_rgn( hRgn, hrgnUpdate, &r ); |
| OffsetRgn( hRgn, pt.x, pt.y ); |
| GetRgnBox( hRgn, &r2 ); |
| if( IsRectEmpty( &r2 ) ) goto END; |
| } |
| else if( rectUpdate ) |
| { |
| if( !IntersectRect( &r2, &r, rectUpdate ) ) goto END; |
| OffsetRect( &r2, pt.x, pt.y ); |
| hRgn = CreateRectRgnIndirect( &r2 ); |
| } |
| else /* entire window or client depending on RDW_NOFRAME */ |
| { |
| if( flags & RDW_NOFRAME ) |
| hRgn = (HRGN)1; |
| else |
| { |
| GETCLIENTRECTW( wndPtr, r2 ); |
| hRgn = CreateRectRgnIndirect( &r2 ); |
| } |
| } |
| } |
| |
| /* At this point hRgn is either an update region in window coordinates or 1 or 0 */ |
| |
| RDW_UpdateRgns( wndPtr, hRgn, flags, TRUE ); |
| |
| /* Erase/update windows, from now on hRgn is a scratch region */ |
| |
| hRgn = RDW_Paint( wndPtr, (hRgn == (HRGN)1) ? 0 : hRgn, flags, 0 ); |
| |
| END: |
| if( hRgn > (HRGN)1 && (hRgn != hrgnUpdate) ) |
| DeleteObject(hRgn ); |
| WIN_ReleaseWndPtr(wndPtr); |
| return TRUE; |
| } |
| |
| |
| /*********************************************************************** |
| * UpdateWindow (USER32.@) |
| */ |
| BOOL WINAPI UpdateWindow( HWND hwnd ) |
| { |
| return RedrawWindow( hwnd, NULL, 0, RDW_UPDATENOW | RDW_ALLCHILDREN ); |
| } |
| |
| |
| /*********************************************************************** |
| * InvalidateRgn (USER32.@) |
| */ |
| BOOL WINAPI InvalidateRgn( HWND hwnd, HRGN hrgn, BOOL erase ) |
| { |
| return RedrawWindow(hwnd, NULL, hrgn, RDW_INVALIDATE | (erase ? RDW_ERASE : 0) ); |
| } |
| |
| |
| /*********************************************************************** |
| * InvalidateRect (USER32.@) |
| */ |
| BOOL WINAPI InvalidateRect( HWND hwnd, const RECT *rect, BOOL erase ) |
| { |
| return RedrawWindow( hwnd, rect, 0, RDW_INVALIDATE | (erase ? RDW_ERASE : 0) ); |
| } |
| |
| |
| /*********************************************************************** |
| * ValidateRgn (USER32.@) |
| */ |
| BOOL WINAPI ValidateRgn( HWND hwnd, HRGN hrgn ) |
| { |
| return RedrawWindow( hwnd, NULL, hrgn, RDW_VALIDATE | RDW_NOCHILDREN ); |
| } |
| |
| |
| /*********************************************************************** |
| * ValidateRect (USER32.@) |
| */ |
| BOOL WINAPI ValidateRect( HWND hwnd, const RECT *rect ) |
| { |
| return RedrawWindow( hwnd, rect, 0, RDW_VALIDATE | RDW_NOCHILDREN ); |
| } |
| |
| |
| /*********************************************************************** |
| * GetUpdateRect (USER32.@) |
| */ |
| BOOL WINAPI GetUpdateRect( HWND hwnd, LPRECT rect, BOOL erase ) |
| { |
| BOOL retvalue; |
| WND * wndPtr = WIN_FindWndPtr( hwnd ); |
| if (!wndPtr) return FALSE; |
| |
| if (rect) |
| { |
| if (wndPtr->hrgnUpdate > (HRGN)1) |
| { |
| HRGN hrgn = CreateRectRgn( 0, 0, 0, 0 ); |
| if (GetUpdateRgn( hwnd, hrgn, erase ) == ERROR) |
| { |
| retvalue = FALSE; |
| goto END; |
| } |
| GetRgnBox( hrgn, rect ); |
| DeleteObject( hrgn ); |
| if (GetClassLongA(wndPtr->hwndSelf, GCL_STYLE) & CS_OWNDC) |
| { |
| if (GetMapMode(wndPtr->dce->hDC) != MM_TEXT) |
| { |
| DPtoLP (wndPtr->dce->hDC, (LPPOINT)rect, 2); |
| } |
| } |
| } |
| else |
| if( wndPtr->hrgnUpdate == (HRGN)1 ) |
| { |
| GetClientRect( hwnd, rect ); |
| if (erase) RedrawWindow( hwnd, NULL, 0, RDW_FRAME | RDW_ERASENOW | RDW_NOCHILDREN ); |
| } |
| else |
| SetRectEmpty( rect ); |
| } |
| retvalue = (wndPtr->hrgnUpdate >= (HRGN)1); |
| END: |
| WIN_ReleaseWndPtr(wndPtr); |
| return retvalue; |
| } |
| |
| |
| /*********************************************************************** |
| * GetUpdateRgn (USER32.@) |
| */ |
| INT WINAPI GetUpdateRgn( HWND hwnd, HRGN hrgn, BOOL erase ) |
| { |
| INT retval; |
| WND * wndPtr = WIN_FindWndPtr( hwnd ); |
| if (!wndPtr) return ERROR; |
| |
| if (wndPtr->hrgnUpdate == 0) |
| { |
| SetRectRgn( hrgn, 0, 0, 0, 0 ); |
| retval = NULLREGION; |
| goto END; |
| } |
| else |
| if (wndPtr->hrgnUpdate == (HRGN)1) |
| { |
| SetRectRgn( hrgn, 0, 0, wndPtr->rectClient.right - wndPtr->rectClient.left, |
| wndPtr->rectClient.bottom - wndPtr->rectClient.top ); |
| retval = SIMPLEREGION; |
| } |
| else |
| { |
| retval = CombineRgn( hrgn, wndPtr->hrgnUpdate, 0, RGN_COPY ); |
| OffsetRgn( hrgn, wndPtr->rectWindow.left - wndPtr->rectClient.left, |
| wndPtr->rectWindow.top - wndPtr->rectClient.top ); |
| } |
| if (erase) RedrawWindow( hwnd, NULL, 0, RDW_ERASENOW | RDW_NOCHILDREN ); |
| END: |
| WIN_ReleaseWndPtr(wndPtr); |
| return retval; |
| } |
| |
| |
| /*********************************************************************** |
| * ExcludeUpdateRgn (USER32.@) |
| */ |
| INT WINAPI ExcludeUpdateRgn( HDC hdc, HWND hwnd ) |
| { |
| RECT rect; |
| WND * wndPtr; |
| |
| if (!(wndPtr = WIN_FindWndPtr( hwnd ))) return ERROR; |
| |
| if (wndPtr->hrgnUpdate) |
| { |
| INT ret; |
| HRGN hrgn = CreateRectRgn(wndPtr->rectWindow.left - wndPtr->rectClient.left, |
| wndPtr->rectWindow.top - wndPtr->rectClient.top, |
| wndPtr->rectWindow.right - wndPtr->rectClient.left, |
| wndPtr->rectWindow.bottom - wndPtr->rectClient.top); |
| if( wndPtr->hrgnUpdate > (HRGN)1 ) |
| { |
| CombineRgn(hrgn, wndPtr->hrgnUpdate, 0, RGN_COPY); |
| OffsetRgn(hrgn, wndPtr->rectWindow.left - wndPtr->rectClient.left, |
| wndPtr->rectWindow.top - wndPtr->rectClient.top ); |
| } |
| |
| /* do ugly coordinate translations in dce.c */ |
| |
| ret = DCE_ExcludeRgn( hdc, hwnd, hrgn ); |
| DeleteObject( hrgn ); |
| WIN_ReleaseWndPtr(wndPtr); |
| return ret; |
| } |
| WIN_ReleaseWndPtr(wndPtr); |
| return GetClipBox( hdc, &rect ); |
| } |
| |
| |
| |
| /*********************************************************************** |
| * FillRect (USER.81) |
| * NOTE |
| * The Win16 variant doesn't support special color brushes like |
| * the Win32 one, despite the fact that Win16, as well as Win32, |
| * supports special background brushes for a window class. |
| */ |
| INT16 WINAPI FillRect16( HDC16 hdc, const RECT16 *rect, HBRUSH16 hbrush ) |
| { |
| HBRUSH prevBrush; |
| |
| /* coordinates are logical so we cannot fast-check 'rect', |
| * it will be done later in the PatBlt(). |
| */ |
| |
| if (!(prevBrush = SelectObject( HDC_32(hdc), HBRUSH_32(hbrush) ))) return 0; |
| PatBlt( HDC_32(hdc), rect->left, rect->top, |
| rect->right - rect->left, rect->bottom - rect->top, PATCOPY ); |
| SelectObject( HDC_32(hdc), prevBrush ); |
| return 1; |
| } |
| |
| |
| /*********************************************************************** |
| * FillRect (USER32.@) |
| */ |
| INT WINAPI FillRect( HDC hdc, const RECT *rect, HBRUSH hbrush ) |
| { |
| HBRUSH prevBrush; |
| |
| if (hbrush <= (HBRUSH) (COLOR_MAX + 1)) { |
| hbrush = GetSysColorBrush( (INT) hbrush - 1 ); |
| } |
| |
| if (!(prevBrush = SelectObject( hdc, hbrush ))) return 0; |
| PatBlt( hdc, rect->left, rect->top, |
| rect->right - rect->left, rect->bottom - rect->top, PATCOPY ); |
| SelectObject( hdc, prevBrush ); |
| return 1; |
| } |
| |
| |
| /*********************************************************************** |
| * InvertRect (USER.82) |
| */ |
| void WINAPI InvertRect16( HDC16 hdc, const RECT16 *rect ) |
| { |
| PatBlt( HDC_32(hdc), rect->left, rect->top, |
| rect->right - rect->left, rect->bottom - rect->top, DSTINVERT ); |
| } |
| |
| |
| /*********************************************************************** |
| * InvertRect (USER32.@) |
| */ |
| BOOL WINAPI InvertRect( HDC hdc, const RECT *rect ) |
| { |
| return PatBlt( hdc, rect->left, rect->top, |
| rect->right - rect->left, rect->bottom - rect->top, |
| DSTINVERT ); |
| } |
| |
| |
| /*********************************************************************** |
| * FrameRect (USER32.@) |
| */ |
| INT WINAPI FrameRect( HDC hdc, const RECT *rect, HBRUSH hbrush ) |
| { |
| HBRUSH prevBrush; |
| RECT r = *rect; |
| |
| if ( (r.right <= r.left) || (r.bottom <= r.top) ) return 0; |
| if (!(prevBrush = SelectObject( hdc, hbrush ))) return 0; |
| |
| PatBlt( hdc, r.left, r.top, 1, |
| r.bottom - r.top, PATCOPY ); |
| PatBlt( hdc, r.right - 1, r.top, 1, |
| r.bottom - r.top, PATCOPY ); |
| PatBlt( hdc, r.left, r.top, |
| r.right - r.left, 1, PATCOPY ); |
| PatBlt( hdc, r.left, r.bottom - 1, |
| r.right - r.left, 1, PATCOPY ); |
| |
| SelectObject( hdc, prevBrush ); |
| return TRUE; |
| } |
| |
| |
| /*********************************************************************** |
| * FrameRect (USER.83) |
| */ |
| INT16 WINAPI FrameRect16( HDC16 hdc, const RECT16 *rect16, HBRUSH16 hbrush ) |
| { |
| RECT rect; |
| CONV_RECT16TO32( rect16, &rect ); |
| return FrameRect( HDC_32(hdc), &rect, HBRUSH_32(hbrush) ); |
| } |
| |
| |
| /*********************************************************************** |
| * DrawFocusRect (USER.466) |
| */ |
| void WINAPI DrawFocusRect16( HDC16 hdc, const RECT16* rc ) |
| { |
| RECT rect32; |
| CONV_RECT16TO32( rc, &rect32 ); |
| DrawFocusRect( HDC_32(hdc), &rect32 ); |
| } |
| |
| |
| /*********************************************************************** |
| * DrawFocusRect (USER32.@) |
| * |
| * FIXME: PatBlt(PATINVERT) with background brush. |
| */ |
| BOOL WINAPI DrawFocusRect( HDC hdc, const RECT* rc ) |
| { |
| HBRUSH hOldBrush; |
| HPEN hOldPen, hNewPen; |
| INT oldDrawMode, oldBkMode; |
| |
| hOldBrush = SelectObject(hdc, GetStockObject(NULL_BRUSH)); |
| hNewPen = CreatePen(PS_ALTERNATE, 1, GetSysColor(COLOR_WINDOWTEXT)); |
| hOldPen = SelectObject(hdc, hNewPen); |
| oldDrawMode = SetROP2(hdc, R2_XORPEN); |
| oldBkMode = SetBkMode(hdc, TRANSPARENT); |
| |
| Rectangle(hdc, rc->left, rc->top, rc->right, rc->bottom); |
| |
| SetBkMode(hdc, oldBkMode); |
| SetROP2(hdc, oldDrawMode); |
| SelectObject(hdc, hOldPen); |
| DeleteObject(hNewPen); |
| SelectObject(hdc, hOldBrush); |
| |
| return TRUE; |
| } |
| |
| |
| /********************************************************************** |
| * DrawAnimatedRects (USER32.@) |
| */ |
| BOOL WINAPI DrawAnimatedRects( HWND hwnd, INT idAni, |
| const RECT* lprcFrom, |
| const RECT* lprcTo ) |
| { |
| FIXME_(win)("(%p,%d,%p,%p): stub\n",hwnd,idAni,lprcFrom,lprcTo); |
| return TRUE; |
| } |
| |
| |
| /********************************************************************** |
| * PAINTING_DrawStateJam |
| * |
| * Jams in the requested type in the dc |
| */ |
| static BOOL PAINTING_DrawStateJam(HDC hdc, UINT opcode, |
| DRAWSTATEPROC func, LPARAM lp, WPARAM wp, |
| LPRECT rc, UINT dtflags, BOOL unicode ) |
| { |
| HDC memdc; |
| HBITMAP hbmsave; |
| BOOL retval; |
| INT cx = rc->right - rc->left; |
| INT cy = rc->bottom - rc->top; |
| |
| switch(opcode) |
| { |
| case DST_TEXT: |
| case DST_PREFIXTEXT: |
| if(unicode) |
| return DrawTextW(hdc, (LPWSTR)lp, (INT)wp, rc, dtflags); |
| else |
| return DrawTextA(hdc, (LPSTR)lp, (INT)wp, rc, dtflags); |
| |
| case DST_ICON: |
| return DrawIcon(hdc, rc->left, rc->top, (HICON)lp); |
| |
| case DST_BITMAP: |
| memdc = CreateCompatibleDC(hdc); |
| if(!memdc) return FALSE; |
| hbmsave = (HBITMAP)SelectObject(memdc, (HBITMAP)lp); |
| if(!hbmsave) |
| { |
| DeleteDC(memdc); |
| return FALSE; |
| } |
| retval = BitBlt(hdc, rc->left, rc->top, cx, cy, memdc, 0, 0, SRCCOPY); |
| SelectObject(memdc, hbmsave); |
| DeleteDC(memdc); |
| return retval; |
| |
| case DST_COMPLEX: |
| if(func) { |
| BOOL bRet; |
| /* DRAWSTATEPROC assumes that it draws at the center of coordinates */ |
| |
| OffsetViewportOrgEx(hdc, rc->left, rc->top, NULL); |
| bRet = func(hdc, lp, wp, cx, cy); |
| /* Restore origin */ |
| OffsetViewportOrgEx(hdc, -rc->left, -rc->top, NULL); |
| return bRet; |
| } else |
| return FALSE; |
| } |
| return FALSE; |
| } |
| |
| /********************************************************************** |
| * PAINTING_DrawState() |
| */ |
| static BOOL PAINTING_DrawState(HDC hdc, HBRUSH hbr, DRAWSTATEPROC func, LPARAM lp, WPARAM wp, |
| INT x, INT y, INT cx, INT cy, UINT flags, BOOL unicode ) |
| { |
| HBITMAP hbm, hbmsave; |
| HFONT hfsave; |
| HBRUSH hbsave, hbrtmp = 0; |
| HDC memdc; |
| RECT rc; |
| UINT dtflags = DT_NOCLIP; |
| COLORREF fg, bg; |
| UINT opcode = flags & 0xf; |
| INT len = wp; |
| BOOL retval, tmp; |
| |
| if((opcode == DST_TEXT || opcode == DST_PREFIXTEXT) && !len) /* The string is '\0' terminated */ |
| { |
| if(unicode) |
| len = strlenW((LPWSTR)lp); |
| else |
| len = strlen((LPSTR)lp); |
| } |
| |
| /* Find out what size the image has if not given by caller */ |
| if(!cx || !cy) |
| { |
| SIZE s; |
| CURSORICONINFO *ici; |
| BITMAP bm; |
| |
| switch(opcode) |
| { |
| case DST_TEXT: |
| case DST_PREFIXTEXT: |
| if(unicode) |
| retval = GetTextExtentPoint32W(hdc, (LPWSTR)lp, len, &s); |
| else |
| retval = GetTextExtentPoint32A(hdc, (LPSTR)lp, len, &s); |
| if(!retval) return FALSE; |
| break; |
| |
| case DST_ICON: |
| ici = (CURSORICONINFO *)GlobalLock16((HGLOBAL16)lp); |
| if(!ici) return FALSE; |
| s.cx = ici->nWidth; |
| s.cy = ici->nHeight; |
| GlobalUnlock16((HGLOBAL16)lp); |
| break; |
| |
| case DST_BITMAP: |
| if(!GetObjectA((HBITMAP)lp, sizeof(bm), &bm)) |
| return FALSE; |
| s.cx = bm.bmWidth; |
| s.cy = bm.bmHeight; |
| break; |
| |
| case DST_COMPLEX: /* cx and cy must be set in this mode */ |
| return FALSE; |
| } |
| |
| if(!cx) cx = s.cx; |
| if(!cy) cy = s.cy; |
| } |
| |
| rc.left = x; |
| rc.top = y; |
| rc.right = x + cx; |
| rc.bottom = y + cy; |
| |
| if(flags & DSS_RIGHT) /* This one is not documented in the win32.hlp file */ |
| dtflags |= DT_RIGHT; |
| if(opcode == DST_TEXT) |
| dtflags |= DT_NOPREFIX; |
| |
| /* For DSS_NORMAL we just jam in the image and return */ |
| if((flags & 0x7ff0) == DSS_NORMAL) |
| { |
| return PAINTING_DrawStateJam(hdc, opcode, func, lp, len, &rc, dtflags, unicode); |
| } |
| |
| /* For all other states we need to convert the image to B/W in a local bitmap */ |
| /* before it is displayed */ |
| fg = SetTextColor(hdc, RGB(0, 0, 0)); |
| bg = SetBkColor(hdc, RGB(255, 255, 255)); |
| hbm = NULL; hbmsave = NULL; |
| memdc = NULL; hbsave = NULL; |
| retval = FALSE; /* assume failure */ |
| |
| /* From here on we must use "goto cleanup" when something goes wrong */ |
| hbm = CreateBitmap(cx, cy, 1, 1, NULL); |
| if(!hbm) goto cleanup; |
| memdc = CreateCompatibleDC(hdc); |
| if(!memdc) goto cleanup; |
| hbmsave = (HBITMAP)SelectObject(memdc, hbm); |
| if(!hbmsave) goto cleanup; |
| rc.left = rc.top = 0; |
| rc.right = cx; |
| rc.bottom = cy; |
| if(!FillRect(memdc, &rc, (HBRUSH)GetStockObject(WHITE_BRUSH))) goto cleanup; |
| SetBkColor(memdc, RGB(255, 255, 255)); |
| SetTextColor(memdc, RGB(0, 0, 0)); |
| hfsave = (HFONT)SelectObject(memdc, GetCurrentObject(hdc, OBJ_FONT)); |
| |
| /* DST_COMPLEX may draw text as well, |
| * so we must be sure that correct font is selected |
| */ |
| if(!hfsave && (opcode <= DST_PREFIXTEXT)) goto cleanup; |
| tmp = PAINTING_DrawStateJam(memdc, opcode, func, lp, len, &rc, dtflags, unicode); |
| if(hfsave) SelectObject(memdc, hfsave); |
| if(!tmp) goto cleanup; |
| |
| /* This state cause the image to be dithered */ |
| if(flags & DSS_UNION) |
| { |
| hbsave = (HBRUSH)SelectObject(memdc, CACHE_GetPattern55AABrush()); |
| if(!hbsave) goto cleanup; |
| tmp = PatBlt(memdc, 0, 0, cx, cy, 0x00FA0089); |
| SelectObject(memdc, hbsave); |
| if(!tmp) goto cleanup; |
| } |
| |
| if (flags & DSS_DISABLED) |
| hbrtmp = CreateSolidBrush(GetSysColor(COLOR_3DHILIGHT)); |
| else if (flags & DSS_DEFAULT) |
| hbrtmp = CreateSolidBrush(GetSysColor(COLOR_3DSHADOW)); |
| |
| /* Draw light or dark shadow */ |
| if (flags & (DSS_DISABLED|DSS_DEFAULT)) |
| { |
| if(!hbrtmp) goto cleanup; |
| hbsave = (HBRUSH)SelectObject(hdc, hbrtmp); |
| if(!hbsave) goto cleanup; |
| if(!BitBlt(hdc, x+1, y+1, cx, cy, memdc, 0, 0, 0x00B8074A)) goto cleanup; |
| SelectObject(hdc, hbsave); |
| DeleteObject(hbrtmp); |
| hbrtmp = 0; |
| } |
| |
| if (flags & DSS_DISABLED) |
| { |
| hbr = hbrtmp = CreateSolidBrush(GetSysColor(COLOR_3DSHADOW)); |
| if(!hbrtmp) goto cleanup; |
| } |
| else if (!hbr) |
| { |
| hbr = (HBRUSH)GetStockObject(BLACK_BRUSH); |
| } |
| |
| hbsave = (HBRUSH)SelectObject(hdc, hbr); |
| |
| if(!BitBlt(hdc, x, y, cx, cy, memdc, 0, 0, 0x00B8074A)) goto cleanup; |
| |
| retval = TRUE; /* We succeeded */ |
| |
| cleanup: |
| SetTextColor(hdc, fg); |
| SetBkColor(hdc, bg); |
| |
| if(hbsave) SelectObject(hdc, hbsave); |
| if(hbmsave) SelectObject(memdc, hbmsave); |
| if(hbrtmp) DeleteObject(hbrtmp); |
| if(hbm) DeleteObject(hbm); |
| if(memdc) DeleteDC(memdc); |
| |
| return retval; |
| } |
| |
| /********************************************************************** |
| * DrawStateA (USER32.@) |
| */ |
| BOOL WINAPI DrawStateA(HDC hdc, HBRUSH hbr, |
| DRAWSTATEPROC func, LPARAM ldata, WPARAM wdata, |
| INT x, INT y, INT cx, INT cy, UINT flags) |
| { |
| return PAINTING_DrawState(hdc, hbr, func, ldata, wdata, x, y, cx, cy, flags, FALSE); |
| } |
| |
| /********************************************************************** |
| * DrawStateW (USER32.@) |
| */ |
| BOOL WINAPI DrawStateW(HDC hdc, HBRUSH hbr, |
| DRAWSTATEPROC func, LPARAM ldata, WPARAM wdata, |
| INT x, INT y, INT cx, INT cy, UINT flags) |
| { |
| return PAINTING_DrawState(hdc, hbr, func, ldata, wdata, x, y, cx, cy, flags, TRUE); |
| } |
| |
| |
| /*********************************************************************** |
| * SelectPalette (Not a Windows API) |
| */ |
| HPALETTE WINAPI SelectPalette( HDC hDC, HPALETTE hPal, BOOL bForceBackground ) |
| { |
| WORD wBkgPalette = 1; |
| |
| if (!bForceBackground && (hPal != GetStockObject(DEFAULT_PALETTE))) |
| { |
| HWND hwnd = WindowFromDC( hDC ); |
| if (hwnd) |
| { |
| HWND hForeground = GetForegroundWindow(); |
| /* set primary palette if it's related to current active */ |
| if (hForeground == hwnd || IsChild(hForeground,hwnd)) wBkgPalette = 0; |
| } |
| } |
| return pfnGDISelectPalette( hDC, hPal, wBkgPalette); |
| } |
| |
| |
| /*********************************************************************** |
| * UserRealizePalette (USER32.@) |
| */ |
| UINT WINAPI UserRealizePalette( HDC hDC ) |
| { |
| UINT realized = pfnGDIRealizePalette( hDC ); |
| |
| /* do not send anything if no colors were changed */ |
| if (realized && IsDCCurrentPalette16( HDC_16(hDC) )) |
| { |
| /* send palette change notification */ |
| HWND hWnd = WindowFromDC( hDC ); |
| if (hWnd) SendMessageA( HWND_BROADCAST, WM_PALETTECHANGED, (WPARAM)hWnd, 0L); |
| } |
| return realized; |
| } |
