564 lines
16 KiB
C
564 lines
16 KiB
C
/*
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* Window painting functions
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*
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* Copyright 1993, 1994, 1995 Alexandre Julliard
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*/
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#include <stdio.h>
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#include <X11/Xlib.h>
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#include "win.h"
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#include "queue.h"
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#include "gdi.h"
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#include "stddebug.h"
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/* #define DEBUG_WIN */
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#include "debug.h"
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/* Last CTLCOLOR id */
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#define CTLCOLOR_MAX CTLCOLOR_STATIC
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/***********************************************************************
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* WIN_UpdateNCArea
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*
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*/
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void WIN_UpdateNCArea(WND* wnd, BOOL bUpdate)
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{
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POINT16 pt = {0, 0};
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HRGN hClip = 1;
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dprintf_nonclient(stddeb,"NCUpdate: hwnd %04x, hrgnUpdate %04x\n",
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wnd->hwndSelf, wnd->hrgnUpdate );
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/* desktop window doesn't have nonclient area */
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if(wnd == WIN_GetDesktop())
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{
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wnd->flags &= ~WIN_NEEDS_NCPAINT;
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return;
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}
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if( wnd->hrgnUpdate > 1 )
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{
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ClientToScreen16(wnd->hwndSelf, &pt);
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hClip = CreateRectRgn( 0, 0, 0, 0 );
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if (!CombineRgn(hClip, wnd->hrgnUpdate, 0, RGN_COPY) )
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{
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DeleteObject(hClip);
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hClip = 1;
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}
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else
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OffsetRgn(hClip, pt.x, pt.y);
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if (bUpdate)
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{
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/* exclude non-client area from update region */
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HRGN hrgn = CreateRectRgn(0, 0, wnd->rectClient.right - wnd->rectClient.left,
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wnd->rectClient.bottom - wnd->rectClient.top);
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if (hrgn && (CombineRgn(wnd->hrgnUpdate, wnd->hrgnUpdate,
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hrgn, RGN_AND) == NULLREGION))
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{
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DeleteObject(wnd->hrgnUpdate);
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wnd->hrgnUpdate = 1;
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}
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DeleteObject( hrgn );
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}
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}
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wnd->flags &= ~WIN_NEEDS_NCPAINT;
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if ((wnd->hwndSelf == GetActiveWindow()) &&
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!(wnd->flags & WIN_NCACTIVATED))
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{
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wnd->flags |= WIN_NCACTIVATED;
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if( hClip > 1) DeleteObject(hClip);
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hClip = 1;
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}
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if (hClip) SendMessage( wnd->hwndSelf, WM_NCPAINT, hClip, 0L );
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if (hClip > 1) DeleteObject( hClip );
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}
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/***********************************************************************
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* BeginPaint16 (USER.39)
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*/
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HDC16 BeginPaint16( HWND16 hwnd, LPPAINTSTRUCT16 lps )
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{
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HRGN hrgnUpdate;
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WND * wndPtr = WIN_FindWndPtr( hwnd );
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if (!wndPtr) return 0;
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wndPtr->flags &= ~WIN_NEEDS_BEGINPAINT;
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if (wndPtr->flags & WIN_NEEDS_NCPAINT) WIN_UpdateNCArea( wndPtr, TRUE );
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if (((hrgnUpdate = wndPtr->hrgnUpdate) != 0) ||
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(wndPtr->flags & WIN_INTERNAL_PAINT))
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QUEUE_DecPaintCount( wndPtr->hmemTaskQ );
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wndPtr->hrgnUpdate = 0;
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wndPtr->flags &= ~WIN_INTERNAL_PAINT;
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HideCaret( hwnd );
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lps->hdc = GetDCEx( hwnd, hrgnUpdate, DCX_INTERSECTRGN | DCX_USESTYLE );
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if(hrgnUpdate > 1) DeleteObject( hrgnUpdate );
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if (!lps->hdc)
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{
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fprintf(stderr, "GetDCEx() failed in BeginPaint(), hwnd=%04x\n", hwnd);
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return 0;
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}
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GetRgnBox16( InquireVisRgn(lps->hdc), &lps->rcPaint );
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DPtoLP16( lps->hdc, (LPPOINT16)&lps->rcPaint, 2 );
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if (wndPtr->flags & WIN_NEEDS_ERASEBKGND)
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{
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wndPtr->flags &= ~WIN_NEEDS_ERASEBKGND;
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lps->fErase = !SendMessage( hwnd, WM_ERASEBKGND, (WPARAM)lps->hdc, 0 );
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}
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else lps->fErase = TRUE;
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return lps->hdc;
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}
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/***********************************************************************
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* BeginPaint32 (USER32.9)
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*/
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HDC32 BeginPaint32( HWND32 hwnd, PAINTSTRUCT32 *lps )
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{
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PAINTSTRUCT16 ps;
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BeginPaint16( hwnd, &ps );
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lps->hdc = (HDC32)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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* EndPaint16 (USER.40)
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*/
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BOOL16 EndPaint16( HWND16 hwnd, const PAINTSTRUCT16* 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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/***********************************************************************
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* EndPaint32 (USER32.175)
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*/
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BOOL32 EndPaint32( HWND32 hwnd, const PAINTSTRUCT32 *lps )
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{
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ReleaseDC( hwnd, (HDC16)lps->hdc );
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ShowCaret( hwnd );
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return TRUE;
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}
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/***********************************************************************
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* FillWindow (USER.324)
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*/
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void FillWindow( HWND16 hwndParent, HWND16 hwnd, HDC16 hdc, HBRUSH16 hbrush )
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{
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RECT16 rect;
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GetClientRect16( hwnd, &rect );
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DPtoLP16( hdc, (LPPOINT16)&rect, 2 );
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PaintRect( hwndParent, hwnd, hdc, hbrush, &rect );
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}
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/***********************************************************************
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* PaintRect (USER.325)
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*/
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void PaintRect( HWND16 hwndParent, HWND16 hwnd, HDC16 hdc,
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HBRUSH16 hbrush, const RECT16 *rect)
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{
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/* Send WM_CTLCOLOR message if needed */
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if ((DWORD)hbrush <= CTLCOLOR_MAX)
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{
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if (!hwndParent) return;
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#ifdef WINELIB32
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hbrush = (HBRUSH)SendMessage( hwndParent,
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WM_CTLCOLORMSGBOX+(DWORD)hbrush,
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(WPARAM)hdc, (LPARAM)hwnd );
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#else
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hbrush = (HBRUSH)SendMessage( hwndParent, WM_CTLCOLOR,
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hdc, MAKELONG( hwnd, hbrush ) );
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#endif
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}
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if (hbrush) FillRect16( hdc, rect, hbrush );
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}
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/***********************************************************************
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* GetControlBrush (USER.326)
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*/
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HBRUSH GetControlBrush( HWND hwnd, HDC hdc, WORD control )
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{
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#ifdef WINELIB32
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return (HBRUSH)SendMessage( GetParent(hwnd), WM_CTLCOLOR+control,
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(WPARAM)hdc, (LPARAM)hwnd );
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#else
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return (HBRUSH)SendMessage( GetParent(hwnd), WM_CTLCOLOR,
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hdc, MAKELONG( hwnd, control ) );
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#endif
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}
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/***********************************************************************
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* RedrawWindow32 (USER32.425)
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*/
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BOOL32 RedrawWindow32( HWND32 hwnd, const RECT32 *rectUpdate,
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HRGN32 hrgnUpdate, UINT32 flags )
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{
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HRGN hrgn;
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RECT32 rectClient;
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WND * wndPtr;
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if (!hwnd) hwnd = GetDesktopWindow();
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if (!(wndPtr = WIN_FindWndPtr( hwnd ))) return FALSE;
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if (!IsWindowVisible(hwnd) || (wndPtr->flags & WIN_NO_REDRAW))
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return TRUE; /* No redraw needed */
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if (rectUpdate)
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{
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dprintf_win(stddeb, "RedrawWindow: %04x %d,%d-%d,%d %04x flags=%04x\n",
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hwnd, rectUpdate->left, rectUpdate->top,
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rectUpdate->right, rectUpdate->bottom, hrgnUpdate, flags );
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}
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else
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{
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dprintf_win(stddeb, "RedrawWindow: %04x NULL %04x flags=%04x\n",
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hwnd, hrgnUpdate, flags);
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}
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GetClientRect32( hwnd, &rectClient );
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if (flags & RDW_INVALIDATE) /* Invalidate */
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{
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int rgnNotEmpty = COMPLEXREGION;
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if (wndPtr->hrgnUpdate > 1) /* Is there already an update region? */
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{
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if ((hrgn = hrgnUpdate) == 0)
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hrgn = CreateRectRgnIndirect32( rectUpdate ? rectUpdate :
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&rectClient );
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rgnNotEmpty = CombineRgn( wndPtr->hrgnUpdate, wndPtr->hrgnUpdate, hrgn, RGN_OR );
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if (!hrgnUpdate) DeleteObject( hrgn );
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}
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else /* No update region yet */
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{
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if (!(wndPtr->flags & WIN_INTERNAL_PAINT))
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QUEUE_IncPaintCount( wndPtr->hmemTaskQ );
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if (hrgnUpdate)
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{
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wndPtr->hrgnUpdate = CreateRectRgn( 0, 0, 0, 0 );
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rgnNotEmpty = CombineRgn( wndPtr->hrgnUpdate, hrgnUpdate, 0, RGN_COPY );
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}
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else wndPtr->hrgnUpdate = CreateRectRgnIndirect32( rectUpdate ?
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rectUpdate : &rectClient );
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}
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if (flags & RDW_FRAME) wndPtr->flags |= WIN_NEEDS_NCPAINT;
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/* check for bogus update region */
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if ( rgnNotEmpty == NULLREGION )
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{
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wndPtr->flags &= ~WIN_NEEDS_ERASEBKGND;
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DeleteObject(wndPtr->hrgnUpdate);
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wndPtr->hrgnUpdate=0;
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if (!(wndPtr->flags & WIN_INTERNAL_PAINT))
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QUEUE_DecPaintCount( wndPtr->hmemTaskQ );
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}
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else
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if (flags & RDW_ERASE) wndPtr->flags |= WIN_NEEDS_ERASEBKGND;
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flags |= RDW_FRAME; /* Force invalidating the frame of children */
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}
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else if (flags & RDW_VALIDATE) /* Validate */
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{
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/* We need an update region in order to validate anything */
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if (wndPtr->hrgnUpdate > 1)
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{
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if (!hrgnUpdate && !rectUpdate)
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{
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/* Special case: validate everything */
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DeleteObject( wndPtr->hrgnUpdate );
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wndPtr->hrgnUpdate = 0;
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}
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else
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{
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if ((hrgn = hrgnUpdate) == 0)
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hrgn = CreateRectRgnIndirect32( rectUpdate );
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if (CombineRgn( wndPtr->hrgnUpdate, wndPtr->hrgnUpdate,
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hrgn, RGN_DIFF ) == NULLREGION)
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{
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DeleteObject( wndPtr->hrgnUpdate );
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wndPtr->hrgnUpdate = 0;
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}
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if (!hrgnUpdate) DeleteObject( hrgn );
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}
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if (!wndPtr->hrgnUpdate) /* No more update region */
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if (!(wndPtr->flags & WIN_INTERNAL_PAINT))
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QUEUE_DecPaintCount( wndPtr->hmemTaskQ );
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}
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if (flags & RDW_NOFRAME) wndPtr->flags &= ~WIN_NEEDS_NCPAINT;
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if (flags & RDW_NOERASE) wndPtr->flags &= ~WIN_NEEDS_ERASEBKGND;
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}
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/* Set/clear internal paint flag */
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if (flags & RDW_INTERNALPAINT)
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{
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if ( wndPtr->hrgnUpdate <= 1 && !(wndPtr->flags & WIN_INTERNAL_PAINT))
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QUEUE_IncPaintCount( wndPtr->hmemTaskQ );
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wndPtr->flags |= WIN_INTERNAL_PAINT;
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}
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else if (flags & RDW_NOINTERNALPAINT)
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{
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if ( wndPtr->hrgnUpdate <= 1 && (wndPtr->flags & WIN_INTERNAL_PAINT))
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QUEUE_DecPaintCount( wndPtr->hmemTaskQ );
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wndPtr->flags &= ~WIN_INTERNAL_PAINT;
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}
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/* Erase/update window */
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if (flags & RDW_UPDATENOW)
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{
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if (wndPtr->hrgnUpdate) SendMessage( hwnd, WM_PAINT, 0, 0 );
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}
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else if (flags & RDW_ERASENOW)
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{
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if (wndPtr->flags & WIN_NEEDS_NCPAINT)
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WIN_UpdateNCArea( wndPtr, FALSE);
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if (wndPtr->flags & WIN_NEEDS_ERASEBKGND)
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{
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HDC hdc = GetDCEx( hwnd, wndPtr->hrgnUpdate,
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DCX_INTERSECTRGN | DCX_USESTYLE );
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if (hdc)
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{
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/* Don't send WM_ERASEBKGND to icons */
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/* (WM_ICONERASEBKGND is sent during processing of WM_NCPAINT) */
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if (!(wndPtr->dwStyle & WS_MINIMIZE) ||
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!wndPtr->class->hIcon)
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{
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if (SendMessage( hwnd, WM_ERASEBKGND, (WPARAM)hdc, 0 ))
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wndPtr->flags &= ~WIN_NEEDS_ERASEBKGND;
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}
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ReleaseDC( hwnd, hdc );
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}
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}
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}
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/* Recursively process children */
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if (!(flags & RDW_NOCHILDREN) &&
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((flags & RDW_ALLCHILDREN) || !(wndPtr->dwStyle & WS_CLIPCHILDREN)))
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{
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if (hrgnUpdate)
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{
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HRGN hrgn = CreateRectRgn( 0, 0, 0, 0 );
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if (!hrgn) return TRUE;
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for (wndPtr = wndPtr->child; wndPtr; wndPtr = wndPtr->next)
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{
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CombineRgn( hrgn, hrgnUpdate, 0, RGN_COPY );
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OffsetRgn( hrgn, -wndPtr->rectClient.left,
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-wndPtr->rectClient.top );
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RedrawWindow32( wndPtr->hwndSelf, NULL, hrgn, flags );
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}
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DeleteObject( hrgn );
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}
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else
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{
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RECT32 rect;
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for (wndPtr = wndPtr->child; wndPtr; wndPtr = wndPtr->next)
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{
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if (rectUpdate)
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{
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rect = *rectUpdate;
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OffsetRect32( &rect, -wndPtr->rectClient.left,
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-wndPtr->rectClient.top );
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RedrawWindow32( wndPtr->hwndSelf, &rect, 0, flags );
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}
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else RedrawWindow32( wndPtr->hwndSelf, NULL, 0, flags );
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}
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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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* RedrawWindow16 (USER.290)
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*/
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BOOL16 RedrawWindow16( HWND16 hwnd, const RECT16 *rectUpdate,
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HRGN16 hrgnUpdate, UINT16 flags )
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{
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if (rectUpdate)
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{
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RECT32 r;
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CONV_RECT16TO32( rectUpdate, &r );
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return (BOOL16)RedrawWindow32( (HWND32)hwnd, &r, hrgnUpdate, flags );
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}
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return (BOOL16)RedrawWindow32( (HWND32)hwnd, NULL, hrgnUpdate, flags );
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}
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/***********************************************************************
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* UpdateWindow (USER.124) (USER32.566)
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*/
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void UpdateWindow( HWND32 hwnd )
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{
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RedrawWindow32( hwnd, NULL, 0, RDW_UPDATENOW | RDW_NOCHILDREN );
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}
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/***********************************************************************
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* InvalidateRgn (USER.126) (USER32.328)
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*/
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void InvalidateRgn( HWND32 hwnd, HRGN32 hrgn, BOOL32 erase )
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{
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RedrawWindow32(hwnd, NULL, hrgn, RDW_INVALIDATE | (erase ? RDW_ERASE : 0));
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}
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/***********************************************************************
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* InvalidateRect16 (USER.125)
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*/
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void InvalidateRect16( HWND16 hwnd, const RECT16 *rect, BOOL16 erase )
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{
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RedrawWindow16( hwnd, rect, 0, RDW_INVALIDATE | (erase ? RDW_ERASE : 0) );
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}
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/***********************************************************************
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* InvalidateRect32 (USER32.327)
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*/
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void InvalidateRect32( HWND32 hwnd, const RECT32 *rect, BOOL32 erase )
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{
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RedrawWindow32( hwnd, rect, 0, RDW_INVALIDATE | (erase ? RDW_ERASE : 0) );
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}
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/***********************************************************************
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* ValidateRgn (USER.128) (USER32.571)
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*/
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void ValidateRgn( HWND32 hwnd, HRGN32 hrgn )
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{
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RedrawWindow32( hwnd, NULL, hrgn, RDW_VALIDATE | RDW_NOCHILDREN );
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}
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/***********************************************************************
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* ValidateRect16 (USER.127)
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*/
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void ValidateRect16( HWND16 hwnd, const RECT16 *rect )
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{
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RedrawWindow16( hwnd, rect, 0, RDW_VALIDATE | RDW_NOCHILDREN );
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}
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/***********************************************************************
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* ValidateRect32 (USER32.570)
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*/
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void ValidateRect32( HWND32 hwnd, const RECT32 *rect )
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{
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RedrawWindow32( hwnd, rect, 0, RDW_VALIDATE | RDW_NOCHILDREN );
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}
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/***********************************************************************
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* GetUpdateRect16 (USER.190)
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*/
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BOOL16 GetUpdateRect16( HWND16 hwnd, LPRECT16 rect, BOOL16 erase )
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{
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RECT32 r;
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BOOL16 ret;
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if (!rect) return GetUpdateRect32( hwnd, NULL, erase );
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ret = GetUpdateRect32( hwnd, &r, erase );
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CONV_RECT32TO16( &r, rect );
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return ret;
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}
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/***********************************************************************
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* GetUpdateRect32 (USER32.296)
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*/
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BOOL32 GetUpdateRect32( HWND32 hwnd, LPRECT32 rect, BOOL32 erase )
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{
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WND * wndPtr = WIN_FindWndPtr( hwnd );
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if (!wndPtr) return FALSE;
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if (rect)
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{
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|
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;
|
|
}
|
|
|
|
|