| /* |
| * Window painting functions |
| * |
| * Copyright 1993, 1994, 1995 Alexandre Julliard |
| */ |
| |
| #include <stdio.h> |
| #include <X11/Xlib.h> |
| |
| #include "win.h" |
| #include "queue.h" |
| #include "gdi.h" |
| #include "dce.h" |
| #include "stddebug.h" |
| /* #define DEBUG_WIN */ |
| #include "debug.h" |
| |
| /* Last CTLCOLOR id */ |
| #define CTLCOLOR_MAX CTLCOLOR_STATIC |
| |
| /*********************************************************************** |
| * WIN_UpdateNCArea |
| * |
| */ |
| void WIN_UpdateNCArea(WND* wnd, BOOL bUpdate) |
| { |
| POINT16 pt = {0, 0}; |
| HRGN hClip = 1; |
| |
| dprintf_nonclient(stddeb,"NCUpdate: hwnd %04x, hrgnUpdate %04x\n", |
| wnd->hwndSelf, wnd->hrgnUpdate ); |
| |
| /* desktop window doesn't have nonclient area */ |
| if(wnd == WIN_GetDesktop()) |
| { |
| wnd->flags &= ~WIN_NEEDS_NCPAINT; |
| return; |
| } |
| |
| if( wnd->hrgnUpdate > 1 ) |
| { |
| ClientToScreen16(wnd->hwndSelf, &pt); |
| |
| hClip = CreateRectRgn( 0, 0, 0, 0 ); |
| if (!CombineRgn(hClip, wnd->hrgnUpdate, 0, RGN_COPY) ) |
| { |
| DeleteObject(hClip); |
| hClip = 1; |
| } |
| else |
| OffsetRgn(hClip, pt.x, pt.y); |
| |
| if (bUpdate) |
| { |
| /* exclude non-client area from update region */ |
| HRGN hrgn = CreateRectRgn(0, 0, wnd->rectClient.right - wnd->rectClient.left, |
| wnd->rectClient.bottom - wnd->rectClient.top); |
| |
| if (hrgn && (CombineRgn(wnd->hrgnUpdate, wnd->hrgnUpdate, |
| hrgn, RGN_AND) == NULLREGION)) |
| { |
| DeleteObject(wnd->hrgnUpdate); |
| wnd->hrgnUpdate = 1; |
| } |
| |
| DeleteObject( hrgn ); |
| } |
| } |
| |
| wnd->flags &= ~WIN_NEEDS_NCPAINT; |
| |
| if ((wnd->hwndSelf == GetActiveWindow()) && |
| !(wnd->flags & WIN_NCACTIVATED)) |
| { |
| wnd->flags |= WIN_NCACTIVATED; |
| if( hClip > 1) DeleteObject(hClip); |
| hClip = 1; |
| } |
| |
| if (hClip) SendMessage16( wnd->hwndSelf, WM_NCPAINT, hClip, 0L ); |
| |
| if (hClip > 1) DeleteObject( hClip ); |
| } |
| |
| |
| /*********************************************************************** |
| * BeginPaint16 (USER.39) |
| */ |
| HDC16 BeginPaint16( HWND16 hwnd, LPPAINTSTRUCT16 lps ) |
| { |
| HRGN hrgnUpdate; |
| WND * wndPtr = WIN_FindWndPtr( hwnd ); |
| if (!wndPtr) return 0; |
| |
| wndPtr->flags &= ~WIN_NEEDS_BEGINPAINT; |
| |
| if (wndPtr->flags & WIN_NEEDS_NCPAINT) WIN_UpdateNCArea( wndPtr, TRUE ); |
| |
| if (((hrgnUpdate = wndPtr->hrgnUpdate) != 0) || |
| (wndPtr->flags & WIN_INTERNAL_PAINT)) |
| QUEUE_DecPaintCount( wndPtr->hmemTaskQ ); |
| |
| wndPtr->hrgnUpdate = 0; |
| wndPtr->flags &= ~WIN_INTERNAL_PAINT; |
| |
| HideCaret( hwnd ); |
| |
| dprintf_win(stddeb,"hrgnUpdate = %04x, ", hrgnUpdate); |
| |
| lps->hdc = GetDCEx( hwnd, hrgnUpdate, DCX_INTERSECTRGN | DCX_WINDOWPAINT | DCX_USESTYLE ); |
| |
| dprintf_win(stddeb,"hdc = %04x\n", lps->hdc); |
| |
| /* pseudocode from "Internals" doesn't delete hrgnUpdate - yet another clue |
| that ReleaseDC should take care of it (hence DCX_KEEPCLIPRGN) */ |
| |
| if (!lps->hdc) |
| { |
| fprintf(stderr, "GetDCEx() failed in BeginPaint(), hwnd=%04x\n", hwnd); |
| return 0; |
| } |
| |
| GetRgnBox16( InquireVisRgn(lps->hdc), &lps->rcPaint ); |
| DPtoLP16( lps->hdc, (LPPOINT16)&lps->rcPaint, 2 ); |
| |
| if (wndPtr->flags & WIN_NEEDS_ERASEBKGND) |
| { |
| wndPtr->flags &= ~WIN_NEEDS_ERASEBKGND; |
| lps->fErase = !SendMessage16(hwnd, WM_ERASEBKGND, (WPARAM)lps->hdc, 0); |
| } |
| else lps->fErase = TRUE; |
| |
| return lps->hdc; |
| } |
| |
| |
| /*********************************************************************** |
| * BeginPaint32 (USER32.9) |
| */ |
| HDC32 BeginPaint32( HWND32 hwnd, PAINTSTRUCT32 *lps ) |
| { |
| PAINTSTRUCT16 ps; |
| |
| BeginPaint16( hwnd, &ps ); |
| lps->hdc = (HDC32)ps.hdc; |
| lps->fErase = ps.fErase; |
| lps->rcPaint.top = ps.rcPaint.top; |
| lps->rcPaint.left = ps.rcPaint.left; |
| lps->rcPaint.right = ps.rcPaint.right; |
| lps->rcPaint.bottom = ps.rcPaint.bottom; |
| lps->fRestore = ps.fRestore; |
| lps->fIncUpdate = ps.fIncUpdate; |
| return lps->hdc; |
| } |
| |
| |
| /*********************************************************************** |
| * EndPaint16 (USER.40) |
| */ |
| BOOL16 EndPaint16( HWND16 hwnd, const PAINTSTRUCT16* lps ) |
| { |
| ReleaseDC( hwnd, lps->hdc ); |
| ShowCaret( hwnd ); |
| return TRUE; |
| } |
| |
| |
| /*********************************************************************** |
| * EndPaint32 (USER32.175) |
| */ |
| BOOL32 EndPaint32( HWND32 hwnd, const PAINTSTRUCT32 *lps ) |
| { |
| ReleaseDC( hwnd, (HDC16)lps->hdc ); |
| ShowCaret( hwnd ); |
| return TRUE; |
| } |
| |
| |
| /*********************************************************************** |
| * FillWindow (USER.324) |
| */ |
| void FillWindow( HWND16 hwndParent, HWND16 hwnd, HDC16 hdc, HBRUSH16 hbrush ) |
| { |
| RECT16 rect; |
| GetClientRect16( hwnd, &rect ); |
| DPtoLP16( hdc, (LPPOINT16)&rect, 2 ); |
| PaintRect( hwndParent, hwnd, hdc, hbrush, &rect ); |
| } |
| |
| |
| /*********************************************************************** |
| * PaintRect (USER.325) |
| */ |
| void PaintRect( HWND16 hwndParent, HWND16 hwnd, HDC16 hdc, |
| HBRUSH16 hbrush, const RECT16 *rect) |
| { |
| /* Send WM_CTLCOLOR message if needed */ |
| |
| if ((UINT32)hbrush <= CTLCOLOR_MAX) |
| { |
| if (!hwndParent) return; |
| hbrush = (HBRUSH)SendMessage32A( hwndParent, |
| WM_CTLCOLORMSGBOX + (UINT32)hbrush, |
| (WPARAM)hdc, (LPARAM)hwnd ); |
| } |
| if (hbrush) FillRect16( hdc, rect, hbrush ); |
| } |
| |
| |
| /*********************************************************************** |
| * GetControlBrush (USER.326) |
| */ |
| HBRUSH GetControlBrush( HWND hwnd, HDC hdc, WORD control ) |
| { |
| return (HBRUSH)SendMessage32A( GetParent(hwnd), WM_CTLCOLOR+control, |
| (WPARAM)hdc, (LPARAM)hwnd ); |
| } |
| |
| |
| /*********************************************************************** |
| * RedrawWindow32 (USER32.425) |
| */ |
| BOOL32 RedrawWindow32( HWND32 hwnd, const RECT32 *rectUpdate, |
| HRGN32 hrgnUpdate, UINT32 flags ) |
| { |
| HRGN hrgn; |
| RECT32 rectClient; |
| WND * wndPtr; |
| |
| if (!hwnd) hwnd = GetDesktopWindow(); |
| if (!(wndPtr = WIN_FindWndPtr( hwnd ))) return FALSE; |
| if (!IsWindowVisible(hwnd) || (wndPtr->flags & WIN_NO_REDRAW)) |
| return TRUE; /* No redraw needed */ |
| |
| if (rectUpdate) |
| { |
| dprintf_win(stddeb, "RedrawWindow: %04x %d,%d-%d,%d %04x flags=%04x\n", |
| hwnd, rectUpdate->left, rectUpdate->top, |
| rectUpdate->right, rectUpdate->bottom, hrgnUpdate, flags ); |
| } |
| else |
| { |
| dprintf_win(stddeb, "RedrawWindow: %04x NULL %04x flags=%04x\n", |
| hwnd, hrgnUpdate, flags); |
| } |
| GetClientRect32( hwnd, &rectClient ); |
| |
| if (flags & RDW_INVALIDATE) /* Invalidate */ |
| { |
| int rgnNotEmpty = COMPLEXREGION; |
| |
| if (wndPtr->hrgnUpdate > 1) /* Is there already an update region? */ |
| { |
| if ((hrgn = hrgnUpdate) == 0) |
| hrgn = CreateRectRgnIndirect32( rectUpdate ? rectUpdate : |
| &rectClient ); |
| rgnNotEmpty = CombineRgn( wndPtr->hrgnUpdate, wndPtr->hrgnUpdate, hrgn, RGN_OR ); |
| if (!hrgnUpdate) DeleteObject( hrgn ); |
| } |
| else /* No update region yet */ |
| { |
| if (!(wndPtr->flags & WIN_INTERNAL_PAINT)) |
| QUEUE_IncPaintCount( wndPtr->hmemTaskQ ); |
| if (hrgnUpdate) |
| { |
| wndPtr->hrgnUpdate = CreateRectRgn( 0, 0, 0, 0 ); |
| rgnNotEmpty = CombineRgn( wndPtr->hrgnUpdate, hrgnUpdate, 0, RGN_COPY ); |
| } |
| else wndPtr->hrgnUpdate = CreateRectRgnIndirect32( rectUpdate ? |
| rectUpdate : &rectClient ); |
| } |
| |
| if (flags & RDW_FRAME) wndPtr->flags |= WIN_NEEDS_NCPAINT; |
| |
| /* check for bogus update region */ |
| if ( rgnNotEmpty == NULLREGION ) |
| { |
| wndPtr->flags &= ~WIN_NEEDS_ERASEBKGND; |
| DeleteObject(wndPtr->hrgnUpdate); |
| wndPtr->hrgnUpdate=0; |
| if (!(wndPtr->flags & WIN_INTERNAL_PAINT)) |
| QUEUE_DecPaintCount( wndPtr->hmemTaskQ ); |
| } |
| else |
| if (flags & RDW_ERASE) wndPtr->flags |= WIN_NEEDS_ERASEBKGND; |
| flags |= RDW_FRAME; /* Force invalidating the frame of children */ |
| } |
| else if (flags & RDW_VALIDATE) /* Validate */ |
| { |
| /* We need an update region in order to validate anything */ |
| if (wndPtr->hrgnUpdate > 1) |
| { |
| if (!hrgnUpdate && !rectUpdate) |
| { |
| /* Special case: validate everything */ |
| DeleteObject( wndPtr->hrgnUpdate ); |
| wndPtr->hrgnUpdate = 0; |
| } |
| else |
| { |
| if ((hrgn = hrgnUpdate) == 0) |
| hrgn = CreateRectRgnIndirect32( rectUpdate ); |
| if (CombineRgn( wndPtr->hrgnUpdate, wndPtr->hrgnUpdate, |
| hrgn, RGN_DIFF ) == NULLREGION) |
| { |
| DeleteObject( wndPtr->hrgnUpdate ); |
| wndPtr->hrgnUpdate = 0; |
| } |
| if (!hrgnUpdate) DeleteObject( hrgn ); |
| } |
| if (!wndPtr->hrgnUpdate) /* No more update region */ |
| if (!(wndPtr->flags & WIN_INTERNAL_PAINT)) |
| QUEUE_DecPaintCount( wndPtr->hmemTaskQ ); |
| } |
| if (flags & RDW_NOFRAME) wndPtr->flags &= ~WIN_NEEDS_NCPAINT; |
| if (flags & RDW_NOERASE) wndPtr->flags &= ~WIN_NEEDS_ERASEBKGND; |
| } |
| |
| /* Set/clear internal paint flag */ |
| |
| if (flags & RDW_INTERNALPAINT) |
| { |
| if ( wndPtr->hrgnUpdate <= 1 && !(wndPtr->flags & WIN_INTERNAL_PAINT)) |
| QUEUE_IncPaintCount( wndPtr->hmemTaskQ ); |
| wndPtr->flags |= WIN_INTERNAL_PAINT; |
| } |
| else if (flags & RDW_NOINTERNALPAINT) |
| { |
| if ( wndPtr->hrgnUpdate <= 1 && (wndPtr->flags & WIN_INTERNAL_PAINT)) |
| QUEUE_DecPaintCount( wndPtr->hmemTaskQ ); |
| wndPtr->flags &= ~WIN_INTERNAL_PAINT; |
| } |
| |
| /* Erase/update window */ |
| |
| if (flags & RDW_UPDATENOW) |
| { |
| if (wndPtr->hrgnUpdate) SendMessage16( hwnd, WM_PAINT, 0, 0 ); |
| } |
| else if (flags & RDW_ERASENOW) |
| { |
| if (wndPtr->flags & WIN_NEEDS_NCPAINT) |
| WIN_UpdateNCArea( wndPtr, FALSE); |
| |
| if (wndPtr->flags & WIN_NEEDS_ERASEBKGND) |
| { |
| HDC hdc = GetDCEx( hwnd, wndPtr->hrgnUpdate, |
| DCX_INTERSECTRGN | DCX_USESTYLE | DCX_KEEPCLIPRGN | DCX_WINDOWPAINT); |
| if (hdc) |
| { |
| /* Don't send WM_ERASEBKGND to icons */ |
| /* (WM_ICONERASEBKGND is sent during processing of WM_NCPAINT) */ |
| if (!(wndPtr->dwStyle & WS_MINIMIZE) || |
| !wndPtr->class->hIcon) |
| { |
| if (SendMessage16( hwnd, WM_ERASEBKGND, (WPARAM)hdc, 0 )) |
| wndPtr->flags &= ~WIN_NEEDS_ERASEBKGND; |
| } |
| ReleaseDC( hwnd, hdc ); |
| } |
| } |
| } |
| |
| /* Recursively process children */ |
| |
| if (!(flags & RDW_NOCHILDREN) && |
| ((flags & RDW_ALLCHILDREN) || !(wndPtr->dwStyle & WS_CLIPCHILDREN))) |
| { |
| if (hrgnUpdate) |
| { |
| HRGN hrgn = CreateRectRgn( 0, 0, 0, 0 ); |
| if (!hrgn) return TRUE; |
| for (wndPtr = wndPtr->child; wndPtr; wndPtr = wndPtr->next) |
| { |
| CombineRgn( hrgn, hrgnUpdate, 0, RGN_COPY ); |
| OffsetRgn( hrgn, -wndPtr->rectClient.left, |
| -wndPtr->rectClient.top ); |
| RedrawWindow32( wndPtr->hwndSelf, NULL, hrgn, flags ); |
| } |
| DeleteObject( hrgn ); |
| } |
| else |
| { |
| RECT32 rect; |
| for (wndPtr = wndPtr->child; wndPtr; wndPtr = wndPtr->next) |
| { |
| if (rectUpdate) |
| { |
| rect = *rectUpdate; |
| OffsetRect32( &rect, -wndPtr->rectClient.left, |
| -wndPtr->rectClient.top ); |
| RedrawWindow32( wndPtr->hwndSelf, &rect, 0, flags ); |
| } |
| else RedrawWindow32( wndPtr->hwndSelf, NULL, 0, flags ); |
| } |
| } |
| } |
| return TRUE; |
| } |
| |
| |
| /*********************************************************************** |
| * RedrawWindow16 (USER.290) |
| */ |
| BOOL16 RedrawWindow16( HWND16 hwnd, const RECT16 *rectUpdate, |
| HRGN16 hrgnUpdate, UINT16 flags ) |
| { |
| if (rectUpdate) |
| { |
| RECT32 r; |
| CONV_RECT16TO32( rectUpdate, &r ); |
| return (BOOL16)RedrawWindow32( (HWND32)hwnd, &r, hrgnUpdate, flags ); |
| } |
| return (BOOL16)RedrawWindow32( (HWND32)hwnd, NULL, hrgnUpdate, flags ); |
| } |
| |
| |
| /*********************************************************************** |
| * UpdateWindow (USER.124) (USER32.566) |
| */ |
| void UpdateWindow( HWND32 hwnd ) |
| { |
| RedrawWindow32( hwnd, NULL, 0, RDW_UPDATENOW | RDW_NOCHILDREN ); |
| } |
| |
| |
| /*********************************************************************** |
| * InvalidateRgn (USER.126) (USER32.328) |
| */ |
| void InvalidateRgn( HWND32 hwnd, HRGN32 hrgn, BOOL32 erase ) |
| { |
| RedrawWindow32(hwnd, NULL, hrgn, RDW_INVALIDATE | (erase ? RDW_ERASE : 0)); |
| } |
| |
| |
| /*********************************************************************** |
| * InvalidateRect16 (USER.125) |
| */ |
| void InvalidateRect16( HWND16 hwnd, const RECT16 *rect, BOOL16 erase ) |
| { |
| RedrawWindow16( hwnd, rect, 0, RDW_INVALIDATE | (erase ? RDW_ERASE : 0) ); |
| } |
| |
| |
| /*********************************************************************** |
| * InvalidateRect32 (USER32.327) |
| */ |
| void InvalidateRect32( HWND32 hwnd, const RECT32 *rect, BOOL32 erase ) |
| { |
| RedrawWindow32( hwnd, rect, 0, RDW_INVALIDATE | (erase ? RDW_ERASE : 0) ); |
| } |
| |
| |
| /*********************************************************************** |
| * ValidateRgn (USER.128) (USER32.571) |
| */ |
| void ValidateRgn( HWND32 hwnd, HRGN32 hrgn ) |
| { |
| RedrawWindow32( hwnd, NULL, hrgn, RDW_VALIDATE | RDW_NOCHILDREN ); |
| } |
| |
| |
| /*********************************************************************** |
| * ValidateRect16 (USER.127) |
| */ |
| void ValidateRect16( HWND16 hwnd, const RECT16 *rect ) |
| { |
| RedrawWindow16( hwnd, rect, 0, RDW_VALIDATE | RDW_NOCHILDREN ); |
| } |
| |
| |
| /*********************************************************************** |
| * ValidateRect32 (USER32.570) |
| */ |
| void ValidateRect32( HWND32 hwnd, const RECT32 *rect ) |
| { |
| RedrawWindow32( hwnd, rect, 0, RDW_VALIDATE | RDW_NOCHILDREN ); |
| } |
| |
| |
| /*********************************************************************** |
| * GetUpdateRect16 (USER.190) |
| */ |
| BOOL16 GetUpdateRect16( HWND16 hwnd, LPRECT16 rect, BOOL16 erase ) |
| { |
| RECT32 r; |
| BOOL16 ret; |
| |
| if (!rect) return GetUpdateRect32( hwnd, NULL, erase ); |
| ret = GetUpdateRect32( hwnd, &r, erase ); |
| CONV_RECT32TO16( &r, rect ); |
| return ret; |
| } |
| |
| |
| /*********************************************************************** |
| * GetUpdateRect32 (USER32.296) |
| */ |
| BOOL32 GetUpdateRect32( HWND32 hwnd, LPRECT32 rect, BOOL32 erase ) |
| { |
| WND * wndPtr = WIN_FindWndPtr( hwnd ); |
| if (!wndPtr) return FALSE; |
| |
| if (rect) |
| { |
| if (wndPtr->hrgnUpdate > 1) |
| { |
| HRGN hrgn = CreateRectRgn( 0, 0, 0, 0 ); |
| if (GetUpdateRgn( hwnd, hrgn, erase ) == ERROR) return FALSE; |
| GetRgnBox32( hrgn, rect ); |
| DeleteObject( hrgn ); |
| } |
| else SetRectEmpty32( rect ); |
| } |
| return (wndPtr->hrgnUpdate > 1); |
| } |
| |
| |
| /*********************************************************************** |
| * GetUpdateRgn (USER.237) (USER32.297) |
| */ |
| INT16 GetUpdateRgn( HWND32 hwnd, HRGN32 hrgn, BOOL32 erase ) |
| { |
| INT16 retval; |
| WND * wndPtr = WIN_FindWndPtr( hwnd ); |
| if (!wndPtr) return ERROR; |
| |
| if (wndPtr->hrgnUpdate <= 1) |
| { |
| SetRectRgn( hrgn, 0, 0, 0, 0 ); |
| return NULLREGION; |
| } |
| retval = CombineRgn( hrgn, wndPtr->hrgnUpdate, 0, RGN_COPY ); |
| if (erase) RedrawWindow32( hwnd, NULL, 0, RDW_ERASENOW | RDW_NOCHILDREN ); |
| return retval; |
| } |
| |
| |
| /*********************************************************************** |
| * ExcludeUpdateRgn (USER.238) (USER32.194) |
| */ |
| INT16 ExcludeUpdateRgn( HDC32 hdc, HWND32 hwnd ) |
| { |
| INT16 retval = ERROR; |
| HRGN hrgn; |
| WND * wndPtr; |
| |
| if (!(wndPtr = WIN_FindWndPtr( hwnd ))) return ERROR; |
| if ((hrgn = CreateRectRgn( 0, 0, 0, 0 )) != 0) |
| { |
| retval = CombineRgn( hrgn, InquireVisRgn(hdc), |
| (wndPtr->hrgnUpdate>1)?wndPtr->hrgnUpdate:0, |
| (wndPtr->hrgnUpdate>1)?RGN_DIFF:RGN_COPY); |
| if (retval) SelectVisRgn( hdc, hrgn ); |
| DeleteObject( hrgn ); |
| } |
| return retval; |
| } |
| |
| |