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source: trunk/src/user32/dc.cpp@ 3442

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Last change on this file since 3442 was 3341, checked in by sandervl, 26 years ago
clip fix for WM_NCPAINT
File size: 52.8 KB

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1	/* $Id: dc.cpp,v 1.54 2000-04-07 12:55:15 sandervl Exp $ */
2
3	/*
4	* DC functions for USER32
5	*
6	* Project Odin Software License can be found in LICENSE.TXT
7	*
8	*/
9
10	/*****************************************************************************
11	* Includes *
12	*****************************************************************************/
13
14	#include <odin.h>
15
16	#define INCL_WIN
17	#define INCL_GPI
18	#define INCL_GREALL
19	#define INCL_DEV
20	#include <os2wrap.h>
21	//#include <pmddi.h>
22	#include <stdlib.h>
23
24	#include <win32type.h>
25	#include <win32api.h>
26	#include <winconst.h>
27	#include <misc.h>
28	#include <win32wbase.h>
29	#include <math.h>
30	#include <limits.h>
31	#include "oslibwin.h"
32	#include "oslibmsg.h"
33	#include <dcdata.h>
34
35	#define INCLUDED_BY_DC
36	#include "dc.h"
37
38	#define DBG_LOCALLOG DBG_dc
39	#include "dbglocal.h"
40
41	#ifndef DEVESC_SETPS
42	#define DEVESC_SETPS 49149L
43	#endif
44
45	#define FLOAT_TO_FIXED(x) ((FIXED) ((x) * 65536.0))
46	#define MICRO_HPS_TO_HDC(x) ((x) & 0xFFFFFFFE)
47
48	#define PMRECT_FROM_WINRECT( pmRect, winRect ) \
49	{ \
50	(pmRect).xLeft = (winRect).left; \
51	(pmRect).yBottom = (winRect).bottom; \
52	(pmRect).xRight = (winRect).right; \
53	(pmRect).yTop = (winRect).top; \
54	}
55
56	#define WINRECT_FROM_PMRECT( winRect, pmRect ) \
57	{ \
58	(winRect).left = (pmRect).xLeft; \
59	(winRect).top = (pmRect).yTop; \
60	(winRect).right = (pmRect).xRight; \
61	(winRect).bottom = (pmRect).yBottom; \
62	}
63
64	#define MEM_HPS_MAX 768
65
66	const XFORM_W XFORMIdentity = { 1.0, 0.0, 0.0, 1.0, 0, 0 };
67	const MATRIXLF matrixlfIdentity = { 0x10000, 0, 0, 0, 0x10000, 0, 0, 0, 0};
68
69	BOOL setPageXForm(Win32BaseWindow *wnd, pDCData pHps);
70	BOOL changePageXForm(Win32BaseWindow *wnd, pDCData pHps, PPOINTL pValue, int x, int y, PPOINTL pPrev);
71	LONG clientHeight(Win32BaseWindow *wnd, HWND hwnd, pDCData pHps);
72
73	//******************************************************************************
74	//******************************************************************************
75	void TestWideLine (pDCData pHps)
76	{
77	const LOGPEN_W *pLogPen;
78
79	pHps->isWideLine = FALSE;
80	pLogPen = pHps->penIsExtPen ?
81	&(pHps->lastPenObject->ExtPen.logpen) :
82	&(pHps->lastPenObject->Pen.logpen);
83
84	if (((pLogPen->lopnStyle & PS_STYLE_MASK_W) != PS_NULL_W) &&
85	(pLogPen->lopnWidth.x > 0))
86	{
87	POINTL aptl[2] = { 0, 0, pLogPen->lopnWidth.x, pLogPen->lopnWidth.x };
88
89	GpiConvert(pHps->hps, CVTC_WORLD, CVTC_DEVICE, 2, aptl);
90
91	ULONG dx = abs(aptl[0].x - aptl[1].x);
92	ULONG dy = abs(aptl[0].y - aptl[1].y);
93
94	pHps->isWideLine = (dx > 1) \|\| (dy > 1);
95	}
96	}
97	//******************************************************************************
98	//******************************************************************************
99	void Calculate1PixelDelta(pDCData pHps)
100	{
101	POINTL aptl[2] = {0, 0, 1, 1};
102
103	GpiConvert(pHps->hps, CVTC_DEVICE, CVTC_WORLD, 2, aptl);
104	pHps->worldYDeltaFor1Pixel = (int)(aptl[1].y - aptl[0].y);
105	pHps->worldXDeltaFor1Pixel = (int)(aptl[1].x - aptl[0].x); // 171182
106	}
107	//******************************************************************************
108	//******************************************************************************
109	int setMapMode(Win32BaseWindow *wnd, pDCData pHps, int mode)
110	{
111	int prevMode = 0;
112	ULONG flOptions;
113
114	switch (mode)
115	{
116	case MM_HIENGLISH_W : flOptions = PU_HIENGLISH; break;
117	case MM_LOENGLISH_W : flOptions = PU_LOENGLISH; break;
118	case MM_HIMETRIC_W : flOptions = PU_HIMETRIC ; break;
119	case MM_LOMETRIC_W : flOptions = PU_LOMETRIC ; break;
120	case MM_TEXT_W : flOptions = PU_PELS ; break;
121	case MM_TWIPS_W : flOptions = PU_TWIPS ; break;
122	case MM_ANISOTROPIC_W: flOptions = PU_PELS ; break;
123	case MM_ISOTROPIC_W : flOptions = PU_LOMETRIC ; break;
124	default:
125	SetLastError(ERROR_INVALID_PARAMETER_W);
126	return FALSE;
127	}
128
129	prevMode = pHps->MapMode; /* store previous mode */
130	pHps->MapMode = mode;
131
132	if (mode == MM_TEXT_W)
133	{
134	pHps->viewportXExt =
135	pHps->viewportYExt = 1.0;
136	pHps->windowExt.cx =
137	pHps->windowExt.cy = 1;
138	}
139	else if (mode != MM_ANISOTROPIC_W)
140	{
141	RECTL rectl;
142	SIZEL sizel;
143	ULONG data[3];
144
145	data[0] = flOptions;
146	data[1] = data[2] = 0;
147
148	if (DevEscape(pHps->hdc ? pHps->hdc : pHps->hps, DEVESC_SETPS, 12, (PBYTE)data, 0, 0) == DEVESC_ERROR)
149	{
150	SetLastError(ERROR_INVALID_PARAMETER_W);
151	return 0;
152	}
153
154	GpiQueryPageViewport(pHps->hps, &rectl);
155	pHps->viewportXExt = (double)rectl.xRight;
156	pHps->viewportYExt = -(double)rectl.yTop;
157
158	GreGetPageUnits(pHps->hdc? pHps->hdc : pHps->hps, &sizel);
159	pHps->windowExt.cx = sizel.cx;
160	pHps->windowExt.cy = sizel.cy;
161
162	data[0] = PU_PELS;
163	DevEscape(pHps->hdc ? pHps->hdc : pHps->hps, DEVESC_SETPS, 12, (PBYTE)data, 0, 0);
164	}
165
166	if (((prevMode != MM_ISOTROPIC_W) && (prevMode != MM_ANISOTROPIC_W)) &&
167	((mode == MM_ISOTROPIC_W) \|\| (mode == MM_ANISOTROPIC_W)))
168	{
169	if (pHps->lWndXExtSave && pHps->lWndYExtSave)
170	{
171	changePageXForm (wnd, pHps, (PPOINTL)&pHps->windowExt,
172	pHps->lWndXExtSave, pHps->lWndYExtSave, NULL );
173	pHps->lWndXExtSave = pHps->lWndYExtSave = 0;
174	}
175	if (pHps->lVwpXExtSave && pHps->lVwpYExtSave)
176	{
177	changePageXForm (wnd, pHps, NULL,
178	pHps->lVwpXExtSave, pHps->lVwpYExtSave, NULL );
179	pHps->lVwpXExtSave = pHps->lVwpYExtSave = 0;
180	}
181	}
182
183	setPageXForm(wnd, pHps);
184
185	return prevMode;
186	}
187	//******************************************************************************
188	//******************************************************************************
189	BOOL setPageXForm(Win32BaseWindow *wnd, pDCData pHps)
190	{
191	MATRIXLF mlf;
192	BOOL rc = TRUE;
193
194	pHps->height = clientHeight(wnd, 0, pHps) - 1;
195
196	double xScale = pHps->viewportXExt / (double)pHps->windowExt.cx;
197	double yScale = pHps->viewportYExt / (double)pHps->windowExt.cy;
198
199	mlf.fxM11 = FLOAT_TO_FIXED(xScale);
200	mlf.fxM12 = 0;
201	mlf.lM13 = 0;
202	mlf.fxM21 = 0;
203	mlf.fxM22 = FLOAT_TO_FIXED(yScale);
204	mlf.lM23 = 0;
205	mlf.lM31 = pHps->viewportOrg.x - (LONG)(pHps->windowOrg.x * xScale);
206	mlf.lM32 = pHps->viewportOrg.y - (LONG)(pHps->windowOrg.y * yScale);
207
208	pHps->isLeftLeft = mlf.fxM11 >= 0;
209	pHps->isTopTop = mlf.fxM22 >= 0;
210
211	BOOL bEnableYInversion = FALSE;
212	if ((mlf.fxM22 > 0) \|\|
213	((pHps->graphicsMode == GM_ADVANCED_W) &&
214	((pHps->MapMode == MM_ANISOTROPIC_W) \|\|
215	(pHps->MapMode == MM_ISOTROPIC_W))))
216	{
217	bEnableYInversion = TRUE;
218	}
219	else
220	{
221	bEnableYInversion = FALSE;
222	mlf.lM32 = pHps->HPStoHDCInversionHeight + pHps->height - mlf.lM32;
223	mlf.fxM22 = -mlf.fxM22;
224	}
225
226	if (!pHps->isMetaPS)
227	// if ((!pHps->isMetaPS) \|\|
228	// (pHps->pMetaFileObject && pHps->pMetaFileObject->isEnhanced()))
229	rc = GpiSetDefaultViewMatrix(pHps->hps, 8, &mlf, TRANSFORM_REPLACE);
230
231	if (bEnableYInversion)
232	GpiEnableYInversion(pHps->hps, pHps->height + pHps->HPStoHDCInversionHeight);
233	else
234	GpiEnableYInversion(pHps->hps, 0);
235
236	TestWideLine(pHps);
237	Calculate1PixelDelta(pHps);
238	return rc;
239	}
240	//******************************************************************************
241	//******************************************************************************
242	BOOL changePageXForm(Win32BaseWindow *wnd, pDCData pHps, PPOINTL pValue, int x, int y, PPOINTL pPrev)
243	{
244	BOOL result = FALSE;
245
246	if (pValue)
247	{
248	if (pPrev)
249	pPrev = pValue;
250
251	if ((pValue->x == x) && (pValue->y == y)) {
252	return TRUE;
253	}
254	pValue->x = x;
255	pValue->y = y;
256	}
257	else
258	{
259	if (pPrev)
260	{
261	pPrev->x = (int)pHps->viewportXExt;
262	pPrev->y = (int)pHps->viewportYExt;
263	}
264	pHps->viewportXExt = (double)x;
265	pHps->viewportYExt = (double)y;
266	}
267
268	if (pHps->MapMode == MM_ISOTROPIC_W)
269	{
270	double xExt = fabs(pHps->viewportXExt);
271	double yExt = fabs(pHps->viewportYExt);
272	double sf = fabs((double)pHps->windowExt.cx / pHps->windowExt.cy);
273
274	if (xExt > (yExt * sf))
275	{
276	xExt = yExt * sf;
277
278	if ((double)LONG_MAX <= xExt) return (result);
279
280	if (pHps->viewportXExt < 0.0)
281	pHps->viewportXExt = -xExt;
282	else
283	pHps->viewportXExt = xExt;
284	}
285	else
286	{
287	yExt = xExt / sf;
288
289	if ((double)LONG_MAX <= yExt) return (result);
290
291	if (pHps->viewportYExt < 0.0)
292	pHps->viewportYExt = -yExt;
293	else
294	pHps->viewportYExt = yExt;
295	}
296	}
297	result = setPageXForm(wnd, pHps);
298
299	return (result);
300	}
301	//******************************************************************************
302	//******************************************************************************
303	LONG clientHeight(Win32BaseWindow *wnd, HWND hwnd, pDCData pHps)
304	{
305	if ((hwnd == 0) && (pHps != 0))
306	hwnd = pHps->hwnd;
307
308	if ((hwnd != 0) \|\| (pHps == 0))
309	{
310	if (wnd)
311	return (wnd->getClientHeight());
312	else
313	return OSLibQueryScreenHeight();
314	}
315	else if (pHps->bitmapHandle)
316	{
317	return pHps->bitmapHeight;
318	}
319	else if (pHps->isMetaPS)
320	{
321	return 0;
322	}
323	else if (pHps->isPrinter)
324	{
325	return pHps->printPageHeight;
326	}
327	else
328	{
329	return MEM_HPS_MAX;
330	}
331	}
332	//******************************************************************************
333	//******************************************************************************
334	BOOL isYup (pDCData pHps)
335	{
336	if (((pHps->windowExt.cy < 0) && (pHps->viewportYExt > 0.0)) \|\|
337	((pHps->windowExt.cy > 0) && (pHps->viewportYExt < 0.0)))
338	{
339	if ((pHps->graphicsMode == GM_COMPATIBLE_W) \|\|
340	((pHps->graphicsMode == GM_ADVANCED_W) && (pHps->xform.eM22 >= 0.0)))
341	return TRUE;
342	}
343	else
344	{
345	if ((pHps->graphicsMode == GM_ADVANCED_W) && (pHps->xform.eM22 < 0.0))
346	return TRUE;
347	}
348	return FALSE;
349	}
350	//******************************************************************************
351	//******************************************************************************
352	INT revertDy (Win32BaseWindow *wnd, INT dy)
353	{
354	//SvL: Hack for memory.exe (doesn't get repainted properly otherwise)
355	// if (wnd->isOwnDC() && wnd->getOwnDC())
356	if (wnd->isOwnDC())
357	{
358	pDCData pHps = (pDCData)GpiQueryDCData (wnd->getOwnDC());
359
360	if (pHps != NULLHANDLE)
361	if (!isYup (pHps))
362	dy = -dy;
363	}
364	else
365	{
366	dy = -dy;
367	}
368	return (dy);
369	}
370	//******************************************************************************
371	//******************************************************************************
372	HDC sendEraseBkgnd (Win32BaseWindow *wnd)
373	{
374	BOOL erased;
375	HWND hwnd;
376	HDC hdc;
377	HPS hps;
378	HRGN hrgnUpdate, hrgnOld, hrgnClip, hrgnCombined;
379	RECTL rectl = { 1, 1, 2, 2 };
380
381	hwnd = wnd->getOS2WindowHandle();
382	hps = WinGetPS(hwnd);
383
384	hrgnUpdate = GpiCreateRegion (hps, 1, &rectl);
385	WinQueryUpdateRegion (hwnd, hrgnUpdate);
386	hrgnClip = GpiQueryClipRegion (hps);
387
388	if (hrgnClip == NULLHANDLE)
389	{
390	GpiSetClipRegion (hps, hrgnUpdate, &hrgnOld);
391	}
392	else
393	{
394	hrgnCombined = GpiCreateRegion (hps, 1, &rectl);
395	GpiCombineRegion (hps, hrgnCombined, hrgnClip, hrgnUpdate, CRGN_AND);
396	GpiSetClipRegion (hps, hrgnCombined, &hrgnOld);
397	GpiDestroyRegion (hps, hrgnUpdate);
398	GpiDestroyRegion (hps, hrgnClip);
399	}
400	if (hrgnOld != NULLHANDLE)
401	GpiDestroyRegion (hps, hrgnOld);
402
403	hdc = HPSToHDC (hwnd, hps, NULL, NULL);
404
405	erased = wnd->MsgEraseBackGround (hdc);
406
407	DeleteHDC (hdc);
408	WinReleasePS (hps);
409
410	return erased;
411	}
412	//******************************************************************************
413	//******************************************************************************
414	void releaseOwnDC (HDC hps)
415	{
416	pDCData pHps = (pDCData)GpiQueryDCData ((HPS)hps);
417
418	if (pHps) {
419	if (pHps->hrgnHDC)
420	GpiDestroyRegion (pHps->hps, pHps->hrgnHDC);
421
422	GpiSetBitmap (pHps->hps, NULL);
423	O32_DeleteObject (pHps->nullBitmapHandle);
424	GpiDestroyPS(pHps->hps);
425
426	if (pHps->hdc)
427	DevCloseDC(pHps->hdc);
428	}
429	}
430	//******************************************************************************
431	//******************************************************************************
432	#if 0
433	HDC WIN32API BeginPaint (HWND hWnd, PPAINTSTRUCT_W lpps)
434	{
435	HWND hwnd = hWnd ? hWnd : HWND_DESKTOP;
436	pDCData pHps = NULLHANDLE;
437	RECTL rect;
438	HPS hPS_ownDC = NULLHANDLE;
439
440	if ( !lpps )
441	{
442	SetLastError(ERROR_INVALID_PARAMETER_W);
443	return (HDC)NULLHANDLE;
444	}
445
446	Win32BaseWindow *wnd = Win32BaseWindow::GetWindowFromHandle(hwnd);
447
448	#if 0
449	if ((hwnd != HWND_DESKTOP) && wnd->isOwnDC())
450	{
451	hPS_ownDC = wnd->getOwnDC();
452	//SvL: Hack for memory.exe (doesn't get repainted properly otherwise)
453	if(hPS_ownDC) {
454	pHps = (pDCData)GpiQueryDCData(hPS_ownDC);
455	if (!pHps)
456	{
457	SetLastError(ERROR_INVALID_PARAMETER_W);
458	return (HDC)NULLHANDLE;
459	}
460	}
461	}
462	#endif
463
464	HWND hwndClient = wnd->getOS2WindowHandle();
465	HPS hps = WinBeginPaint(hwndClient, hPS_ownDC, &rect);
466
467	if (!pHps)
468	{
469	HDC hdc = HPSToHDC (hwndClient, hps, NULL, NULL);
470	pHps = (pDCData)GpiQueryDCData(hps);
471	}
472
473	if (hPS_ownDC == 0)
474	setMapMode (wnd, pHps, MM_TEXT_W);
475	else
476	setPageXForm (wnd, pHps);
477
478	pHps->hdcType = TYPE_3;
479
480	HideCaret(hwnd);
481
482	if(wnd->needsEraseBkgnd()) {
483	wnd->setEraseBkgnd(FALSE);
484	lpps->fErase = (wnd->MsgEraseBackGround(pHps->hps) != 0);
485	}
486	else lpps->fErase = TRUE;
487	lpps->hdc = (HDC)hps;
488
489	if (!hPS_ownDC)
490	{
491	long height = wnd->getClientHeight();
492
493	rect.yTop = height - rect.yTop;
494	rect.yBottom = height - rect.yBottom;
495	}
496	else
497	{
498	rect.yTop--;
499	rect.yBottom--;
500	GpiConvert(pHps->hps, CVTC_DEVICE, CVTC_WORLD, 2, (PPOINTL)&rect);
501	}
502
503	WINRECT_FROM_PMRECT(lpps->rcPaint, rect);
504	dprintf(("USER32: BeginPaint %x -> hdc %x (%d,%d)(%d,%d)", hWnd, pHps->hps, lpps->rcPaint.left, lpps->rcPaint.top, lpps->rcPaint.right, lpps->rcPaint.bottom));
505
506	SetLastError(0);
507	return (HDC)pHps->hps;
508	}
509
510	BOOL WIN32API EndPaint (HWND hwnd, const PAINTSTRUCT_W *pPaint)
511	{
512	pDCData pHps;
513
514	dprintf (("USER32: EndPaint(%x)", hwnd));
515
516	ShowCaret(hwnd);
517	if (!pPaint \|\| !pPaint->hdc )
518	return TRUE;
519
520	Win32BaseWindow *wnd = Win32BaseWindow::GetWindowFromHandle(hwnd);
521
522	if (!wnd) goto exit;
523
524	//SvL: Hack for memory.exe (doesn't get repainted properly otherwise)
525	pHps = (pDCData)GpiQueryDCData((HPS)pPaint->hdc);
526	if (pHps && (pHps->hdcType == TYPE_3)) {
527	WinEndPaint (pHps->hps);
528	}
529	wnd->setEraseBkgnd(TRUE);
530
531	exit:
532	SetLastError(0);
533	return TRUE;
534	}
535	#else
536	HDC WIN32API BeginPaint (HWND hWnd, PPAINTSTRUCT_W lpps)
537	{
538	HWND hwnd = hWnd ? hWnd : HWND_DESKTOP;
539	pDCData pHps = NULLHANDLE;
540	HPS hPS_ownDC = NULLHANDLE, hpsPaint = 0;
541	RECTL rectl = {0, 0, 1, 1};
542	HRGN hrgnUpdate, hrgnOld;
543	LONG lComplexity;
544
545	Win32BaseWindow *wnd = Win32BaseWindow::GetWindowFromHandle(hwnd);
546	if(!lpps \|\| !wnd) {
547	dprintf (("USER32: BeginPaint %x invalid parameter %x", hWnd, lpps));
548	SetLastError(ERROR_INVALID_PARAMETER_W);
549	return (HDC)0;
550	}
551	HWND hwndClient = wnd->getOS2WindowHandle();
552
553	if(hwnd != HWND_DESKTOP && wnd->isOwnDC())
554	{
555	hPS_ownDC = wnd->getOwnDC();
556	//SvL: Hack for memory.exe (doesn't get repainted properly otherwise)
557	if(hPS_ownDC) {
558	pHps = (pDCData)GpiQueryDCData(hPS_ownDC);
559	if (!pHps)
560	{
561	dprintf (("USER32: BeginPaint %x invalid parameter %x", hWnd, lpps));
562	SetLastError(ERROR_INVALID_PARAMETER_W);
563	return (HDC)NULLHANDLE;
564	}
565	hpsPaint = hPS_ownDC;
566	}
567	}
568	if(!hpsPaint) {
569	hpsPaint = GetDCEx(hwnd, 0, DCX_CACHE_W);
570	pHps = (pDCData)GpiQueryDCData(hpsPaint);
571	if (!pHps)
572	{
573	dprintf (("USER32: BeginPaint %x invalid parameter %x", hWnd, lpps));
574	SetLastError(ERROR_INVALID_PARAMETER_W);
575	return (HDC)NULLHANDLE;
576	}
577	}
578
579	#if 0
580	HPS hps = WinBeginPaint(hwndClient, hPS_ownDC, &rect);
581
582	if (!pHps)
583	{
584	HDC hdc = HPSToHDC (hwndClient, hps, NULL, NULL);
585	pHps = (pDCData)GpiQueryDCData(hps);
586	}
587	#endif
588
589	if (hPS_ownDC == 0)
590	setMapMode (wnd, pHps, MM_TEXT_W);
591	else
592	setPageXForm (wnd, pHps);
593
594	pHps->hdcType = TYPE_3;
595
596	hrgnUpdate = GpiCreateRegion(pHps->hps, 1, &rectl);
597	lComplexity = WinQueryUpdateRegion(hwndClient, hrgnUpdate);
598	if(lComplexity == RGN_ERROR) {
599	dprintf (("USER32: BeginPaint update region error!!"));
600	SetLastError(ERROR_INVALID_PARAMETER_W);
601	return 0;
602	}
603	WinQueryUpdateRect(hwndClient, &rectl);
604
605	if(lComplexity != RGN_NULL) {
606	WinValidateRegion(hwndClient, hrgnUpdate, FALSE);
607
608	GpiSetClipRegion(pHps->hps, hrgnUpdate, &hrgnOld);
609	//save old clip region (restored for CS_OWNDC windows in EndPaint)
610	wnd->SetClipRegion(hrgnOld);
611	}
612
613	if(wnd->needsEraseBkgnd() && lComplexity != RGN_NULL) {
614	wnd->setEraseBkgnd(FALSE);
615	lpps->fErase = (wnd->MsgEraseBackGround(pHps->hps) != 0);
616	}
617	else lpps->fErase = TRUE;
618
619	lpps->hdc = (HDC)pHps->hps;
620
621	if(lComplexity != RGN_NULL) {
622	long height = wnd->getClientHeight();
623	lpps->rcPaint.top = height - rectl.yTop;
624	lpps->rcPaint.left = rectl.xLeft;
625	lpps->rcPaint.bottom = height - rectl.yBottom;
626	lpps->rcPaint.right = rectl.xRight;
627	}
628	else {
629	lpps->rcPaint.bottom = lpps->rcPaint.top = 0;
630	lpps->rcPaint.right = lpps->rcPaint.left = 0;
631	}
632
633	HideCaret(hwnd);
634
635	SetLastError(0);
636	dprintf(("USER32: BeginPaint %x -> hdc %x (%d,%d)(%d,%d)", hWnd, pHps->hps, lpps->rcPaint.left, lpps->rcPaint.top, lpps->rcPaint.right, lpps->rcPaint.bottom));
637	return (HDC)pHps->hps;
638	}
639	//******************************************************************************
640	//******************************************************************************
641	BOOL WIN32API EndPaint (HWND hWnd, const PAINTSTRUCT_W *pPaint)
642	{
643	HWND hwnd = hWnd ? hWnd : HWND_DESKTOP;
644	HRGN hrgnOld;
645	pDCData pHps;
646
647	dprintf (("USER32: EndPaint(%x)", hwnd));
648
649	if (!pPaint \|\| !pPaint->hdc )
650	return TRUE;
651
652	Win32BaseWindow *wnd = Win32BaseWindow::GetWindowFromHandle(hwnd);
653
654	if (!wnd) goto exit;
655
656	pHps = (pDCData)GpiQueryDCData((HPS)pPaint->hdc);
657	if (pHps && (pHps->hdcType == TYPE_3))
658	{
659	GpiSetClipRegion(pHps->hps, NULLHANDLE, &hrgnOld);
660	if(hrgnOld) {
661	GpiDestroyRegion(pHps->hps, hrgnOld);
662	}
663	if(hwnd == HWND_DESKTOP \|\| !wnd->isOwnDC()) {
664	ReleaseDC(hwnd, pPaint->hdc);
665	}
666	else
667	if(wnd->GetClipRegion()) {
668	//TODO: What else do we need to restore here???
669	GpiSetClipRegion(pHps->hps, wnd->GetClipRegion(), &hrgnOld);
670	wnd->SetClipRegion(0);
671	pHps->hdcType = TYPE_1;
672	}
673
674	//// WinEndPaint (pHps->hps);
675	}
676	else {
677	dprintf(("EndPaint: wrong hdc %x!!", pPaint->hdc));
678	}
679	wnd->setEraseBkgnd(TRUE);
680	ShowCaret(hwnd);
681
682	exit:
683	SetLastError(0);
684	return TRUE;
685	}
686	#endif
687	//******************************************************************************
688	//******************************************************************************
689	BOOL WIN32API GetUpdateRect (HWND hwnd, LPRECT pRect, BOOL erase)
690	{
691	if (!hwnd)
692	{
693	SetLastError(ERROR_INVALID_WINDOW_HANDLE_W);
694	return FALSE;
695	}
696
697	RECTL rectl;
698	Win32BaseWindow *wnd = Win32BaseWindow::GetWindowFromHandle(hwnd);
699
700	if (!wnd)
701	{
702	SetLastError(ERROR_INVALID_WINDOW_HANDLE_W);
703	return FALSE;
704	}
705
706	BOOL updateRegionExists = WinQueryUpdateRect (wnd->getOS2WindowHandle(), pRect ? &rectl : NULL);
707	if (!pRect) {
708	return (updateRegionExists);
709	}
710
711	if (updateRegionExists)
712	{
713	//CB: for PM empty rect is valid
714	if ((rectl.xLeft == rectl.xRight) \|\| (rectl.yTop == rectl.yBottom)) {
715	if(pRect) {
716	pRect->left = pRect->top = pRect->right = pRect->bottom = 0;
717	}
718	return FALSE;
719	}
720	#if 0
721	//SvL: Hack for memory.exe (doesn't get repainted properly otherwise)
722	// if (wnd->isOwnDC() && wnd->getOwnDC())
723	if (wnd->isOwnDC())
724	{
725	pDCData pHps = NULL;
726	pHps = (pDCData)GpiQueryDCData(wnd->getOwnDC());
727	if (!pHps)
728	{
729	SetLastError(ERROR_INVALID_HANDLE_W);
730	return FALSE;
731	}
732	GpiConvert (pHps->hps, CVTC_DEVICE, CVTC_WORLD, 2, (PPOINTL)&rectl);
733	}
734	else
735	{
736	#endif
737	long height = wnd->getClientHeight();
738	rectl.yTop = height - rectl.yTop;
739	rectl.yBottom = height - rectl.yBottom;
740	////////// }
741
742	if (pRect)
743	WINRECT_FROM_PMRECT (*pRect, rectl);
744
745	if (erase)
746	sendEraseBkgnd (wnd);
747	}
748	else
749	{
750	if(pRect) {
751	pRect->left = pRect->top = pRect->right = pRect->bottom = 0;
752	}
753	}
754
755	return updateRegionExists;
756	}
757	//******************************************************************************
758	//functions for WM_NCPAINT
759	//******************************************************************************
760	INT SYSTEM GetOS2UpdateRgn(HWND hwnd,HRGN hrgn)
761	{
762	return O32_GetUpdateRgn(hwnd,hrgn,FALSE);
763	}
764	//******************************************************************************
765	//******************************************************************************
766	BOOL SYSTEM GetOS2UpdateRect(HWND hwnd,LPRECT pRect)
767	{
768	RECTL rectl;
769	BOOL updateRegionExists = WinQueryUpdateRect(hwnd,pRect ? &rectl:NULL);
770
771	if (!pRect)
772	return (updateRegionExists);
773
774	if (updateRegionExists)
775	{
776	//CB: for PM empty rect is valid
777	if ((rectl.xLeft == rectl.xRight) \|\| (rectl.yTop == rectl.yBottom)) return FALSE;
778	mapOS2ToWin32Rect(hwnd,(PRECTLOS2)&rectl,pRect);
779	}
780	else
781	pRect->left = pRect->top = pRect->right = pRect->bottom = 0;
782
783	return updateRegionExists;
784	}
785	//******************************************************************************
786	//******************************************************************************
787	int WIN32API GetUpdateRgn (HWND hwnd, HRGN hrgn, BOOL erase)
788	{
789	LONG Complexity;
790
791	Win32BaseWindow *wnd = Win32BaseWindow::GetWindowFromHandle(hwnd);
792
793	if (!wnd)
794	{
795	SetLastError(ERROR_INVALID_WINDOW_HANDLE_W);
796	return ERROR_W;
797	}
798
799	Complexity = O32_GetUpdateRgn (wnd->getOS2WindowHandle(), hrgn, FALSE);
800	if (erase && (Complexity > NULLREGION_W)) sendEraseBkgnd(wnd);
801
802	return Complexity;
803	}
804	//******************************************************************************
805	// This implementation of GetDCEx supports
806	// DCX_WINDOW
807	// DCX_CACHE
808	// DCX_EXCLUDERGN (complex regions allowed)
809	// DCX_INTERSECTRGN (complex regions allowed)
810	//
811	//TODO: WM_SETREDRAW affects drawingAllowed flag!!
812	//******************************************************************************
813	HDC WIN32API GetDCEx (HWND hwnd, HRGN hrgn, ULONG flags)
814	{
815	Win32BaseWindow *wnd = NULL;
816	HWND hWindow;
817	BOOL success;
818	pDCData pHps = NULL;
819	HPS hps = NULLHANDLE;
820	BOOL drawingAllowed = TRUE;
821	BOOL isWindowOwnDC;
822	BOOL creatingOwnDC = FALSE;
823	PS_Type psType;
824
825	if(hwnd == 0) {
826	dprintf(("error: GetDCEx window %x not found", hwnd));
827	SetLastError(ERROR_INVALID_WINDOW_HANDLE_W);
828	return 0;
829	}
830
831	if (hwnd)
832	{
833	wnd = Win32BaseWindow::GetWindowFromHandle(hwnd);
834	if(wnd == NULL) {
835	dprintf (("ERROR: User32: GetDCEx bad window handle %X!!!!!", hwnd));
836	SetLastError(ERROR_INVALID_WINDOW_HANDLE_W);
837	return 0;
838	}
839	//SvL: Experimental change (doesn't work right)
840	#if 0
841	if(wnd->fHasParentDC() && wnd->getParent()) {
842	wnd = wnd->getParent();
843	}
844	#endif
845	if (flags & DCX_WINDOW_W)
846	hWindow = wnd->getOS2FrameWindowHandle();
847	else
848	hWindow = wnd->getOS2WindowHandle();
849	}
850
851	isWindowOwnDC = (((hWindow == HWND_DESKTOP) ? FALSE : (wnd->isOwnDC()))
852	&& !(flags & DCX_CACHE_W\|DCX_WINDOW_W));
853
854	if (isWindowOwnDC)
855	{
856	hps = wnd->getOwnDC();
857	if (hps)
858	{
859	pDCData pHps = (pDCData)GpiQueryDCData (hps);
860	if (!pHps)
861	goto error;
862
863	setPageXForm (wnd, pHps);
864
865	pHps->hdcType = TYPE_1;
866	dprintf (("User32: GetDCEx hwnd %x (%x %x) -> wnd %x hdc %x", hwnd, hrgn, flags, wnd, hps));
867	return (HDC)hps;
868	}
869	else
870	creatingOwnDC = TRUE;
871	}
872
873	if (isWindowOwnDC)
874	{
875	SIZEL sizel = {0,0};
876	hps = GpiCreatePS (WinQueryAnchorBlock (hWindow),
877	WinOpenWindowDC (hWindow),
878	&sizel, PU_PELS \| GPIT_MICRO \| GPIA_ASSOC );
879	psType = MICRO;
880	}
881	else
882	{
883	if (hWindow == HWND_DESKTOP)
884	hps = WinGetScreenPS (hWindow);
885	else
886	hps = WinGetPS (hWindow);
887
888	psType = MICRO_CACHED;
889	}
890
891	if (!hps)
892	goto error;
893
894	HPSToHDC (hWindow, hps, NULL, NULL);
895	pHps = (pDCData)GpiQueryDCData (hps);
896
897	if ((flags & DCX_EXCLUDERGN_W) \|\| (flags & DCX_INTERSECTRGN_W))
898	{
899	ULONG BytesNeeded;
900	PRGNDATA_W RgnData;
901	PRECT pr;
902	int i;
903	RECTL rectl;
904
905	if (!hrgn)
906	goto error;
907
908	success = TRUE;
909	if (flags & DCX_EXCLUDERGN_W)
910	{
911	#if 0 //CB: todo
912	long height;
913
914	BytesNeeded = GetRegionData (hrgn, 0, NULL);
915	RgnData = (PRGNDATA_W)_alloca (BytesNeeded);
916	if (RgnData == NULL)
917	goto error;
918	GetRegionData (hrgn, BytesNeeded, RgnData);
919
920	i = RgnData->rdh.nCount;
921	pr = (PRECT)(RgnData->Buffer);
922
923	if (flags & DCX_WINDOW_W)
924	height = wnd->getWindowHeight();
925	else height = wnd->getClientHeight();
926
927	for (; (i > 0) && success; i--, pr++) {
928	LONG y = pr->yBottom;
929
930	pr->yBottom = height - pr->yTop;
931	pr->yTop = height - y;
932	success &= GpiExcludeClipRectangle (pHps->hps, pr);
933	}
934	#endif
935	}
936	else //DCX_INTERSECTRGN_W
937	{
938	//SvL: I'm getting paint problems when clipping a dc created in GetDCEx
939	// with a region that covers the entire window (RealPlayer 7 Update 1)
940	// Using SelectClipRgn here doesn't make any difference.
941	if(ExtSelectClipRgn(pHps->hps, hrgn, RGN_AND_W) == ERROR_W) {
942	dprintf(("ExtSelectClipRgn failed!!"));
943	}
944	}
945	if (!success)
946	goto error;
947	}
948
949	if (creatingOwnDC)
950	wnd->setOwnDC ((HDC)hps);
951
952	pHps->psType = psType;
953	pHps->hdcType = TYPE_1;
954	//TODO: WM_SETREDRAW affects drawingAllowed flag!!
955	GpiSetDrawControl (hps, DCTL_DISPLAY, drawingAllowed ? DCTL_ON : DCTL_OFF);
956
957	dprintf (("User32: GetDCEx hwnd %x (%x %x) -> hdc %x", hwnd, hrgn, flags, pHps->hps));
958	return (HDC)pHps->hps;
959
960	error:
961	/* Something went wrong; clean up
962	*/
963	if (pHps)
964	{
965	if (pHps->hps)
966	{
967	if(pHps->psType == MICRO_CACHED)
968	WinReleasePS(pHps->hps);
969	else
970	GpiDestroyPS(pHps->hps);
971	}
972
973	if (pHps->hdc) DevCloseDC(pHps->hdc);
974	if (pHps->hrgnHDC) GpiDestroyRegion(pHps->hps, pHps->hrgnHDC);
975
976	O32_DeleteObject (pHps->nullBitmapHandle);
977	}
978	SetLastError(ERROR_INVALID_PARAMETER_W);
979	return NULL;
980	}
981	//******************************************************************************
982	//******************************************************************************
983	HDC WIN32API GetDC (HWND hwnd)
984	{
985	if(!hwnd)
986	return GetDCEx( GetDesktopWindow(), 0, DCX_CACHE_W \| DCX_WINDOW_W );
987	return GetDCEx (hwnd, NULL, 0);
988	}
989	//******************************************************************************
990	//******************************************************************************
991	HDC WIN32API GetWindowDC (HWND hwnd)
992	{
993	if (!hwnd) hwnd = GetDesktopWindow();
994	return GetDCEx (hwnd, NULL, DCX_USESTYLE_W \| DCX_WINDOW_W);
995	}
996	//******************************************************************************
997	//******************************************************************************
998	int WIN32API ReleaseDC (HWND hwnd, HDC hdc)
999	{
1000	BOOL isOwnDC = FALSE;
1001	int rc;
1002
1003	if (hwnd)
1004	{
1005	Win32BaseWindow *wnd = Win32BaseWindow::GetWindowFromHandle (hwnd);
1006	if(wnd == NULL) {
1007	dprintf(("ERROR: ReleaseDC %x %x failed", hwnd, hdc));
1008	return 0;
1009	}
1010	//SvL: Hack for memory.exe (doesn't get repainted properly otherwise)
1011	// isOwnDC = wnd->isOwnDC() && wnd->getOwnDC();
1012	isOwnDC = wnd->isOwnDC() && (wnd->getOwnDC() == hdc);
1013	}
1014	if (isOwnDC)
1015	rc = TRUE;
1016	else
1017	rc = O32_ReleaseDC (0, hdc);
1018
1019	dprintf(("ReleaseDC %x %x", hwnd, hdc));
1020	return (rc);
1021	}
1022	//******************************************************************************
1023	// This implementation of RedrawWindow supports
1024	// RDW_ERASE
1025	// RDW_NOERASE
1026	// RDW_INTERNALPAINT
1027	// RDW_NOINTERNALPAINT
1028	// RDW_INVALIDATE
1029	// RDW_VALIDATE
1030	// RDW_ERASENOW
1031	// RDW_UPDATENOW
1032	//******************************************************************************
1033	BOOL WIN32API RedrawWindow(HWND hwnd, const RECT* pRect, HRGN hrgn, DWORD redraw)
1034	{
1035	Win32BaseWindow *wnd;
1036
1037	if(pRect) {
1038	dprintf(("RedrawWindow %x (%d,%d)(%d,%d) %x %x", hwnd, pRect->left, pRect->top, pRect->right, pRect->bottom, hrgn, redraw));
1039	}
1040	else dprintf(("RedrawWindow %x %x %x %x", hwnd, pRect, hrgn, redraw));
1041
1042	if (redraw & (RDW_FRAME_W \| RDW_NOFRAME_W))
1043	{
1044	SetLastError(ERROR_NOT_SUPPORTED_W);
1045	return FALSE;
1046	}
1047
1048	if (hwnd == NULLHANDLE)
1049	{
1050	#if 1
1051	// Don't do this for now (causes lots of desktop repaints in WordPad)
1052	SetLastError(ERROR_INVALID_PARAMETER_W);
1053	return FALSE;
1054	#else
1055	hwnd = HWND_DESKTOP;
1056	wnd = Win32BaseWindow::GetWindowFromOS2Handle(OSLIB_HWND_DESKTOP);
1057
1058	if (!wnd)
1059	{
1060	dprintf(("USER32:dc: RedrawWindow can't find desktop window %08xh\n",
1061	hwnd));
1062	SetLastError(ERROR_INVALID_PARAMETER_W);
1063	return FALSE;
1064	}
1065	#endif
1066	}
1067	else
1068	{
1069	wnd = Win32BaseWindow::GetWindowFromHandle (hwnd);
1070
1071	if (!wnd)
1072	{
1073	dprintf(("USER32:dc: RedrawWindow can't find window %08xh\n",
1074	hwnd));
1075	SetLastError(ERROR_INVALID_PARAMETER_W);
1076	return FALSE;
1077	}
1078	hwnd = wnd->getOS2WindowHandle();
1079	}
1080
1081	BOOL IncludeChildren = redraw & RDW_ALLCHILDREN_W ? TRUE : FALSE;
1082	BOOL success = TRUE;
1083	HPS hpsTemp = NULLHANDLE;
1084	HRGN hrgnTemp = NULLHANDLE;
1085	RECTL rectl;
1086
1087	if (hrgn)
1088	{
1089	ULONG BytesNeeded;
1090	PRGNDATA_W RgnData;
1091	PRECTL pr;
1092	int i;
1093	LONG height = wnd ? wnd->getClientHeight() : OSLibQueryScreenHeight();
1094
1095	if (!hrgn)
1096	goto error;
1097
1098	BytesNeeded = O32_GetRegionData (hrgn, 0, NULL);
1099	RgnData = (PRGNDATA_W)_alloca (BytesNeeded);
1100	if (RgnData == NULL)
1101	goto error;
1102	O32_GetRegionData (hrgn, BytesNeeded, RgnData);
1103
1104	pr = (PRECTL)(RgnData->Buffer);
1105	for (i = RgnData->rdh.nCount; i > 0; i--, pr++) {
1106	LONG temp = pr->yTop;
1107	pr->yTop = height - pr->yBottom;
1108	pr->yBottom = height - temp;
1109	}
1110
1111	hpsTemp = WinGetScreenPS (HWND_DESKTOP);
1112	hrgnTemp = GpiCreateRegion (hpsTemp, RgnData->rdh.nCount, (PRECTL)(RgnData->Buffer));
1113	if (!hrgnTemp) goto error;
1114	}
1115	else if (pRect)
1116	{
1117	LONG height = wnd ? wnd->getClientHeight() : OSLibQueryScreenHeight();
1118
1119	PMRECT_FROM_WINRECT (rectl, *pRect);
1120	rectl.yTop = height - rectl.yTop;
1121	rectl.yBottom = height - rectl.yBottom;
1122	}
1123
1124	if (redraw & RDW_INVALIDATE_W)
1125	{
1126	//TODO: SvL: pingpong.exe doesn't have RDW_NOERASE, but doesn't want WM_ERASEBKGND msgs
1127	if (redraw & RDW_ERASE_W)
1128	wnd->setEraseBkgnd (TRUE);
1129
1130	if (!pRect && !hrgn)
1131	success = WinInvalidateRect (hwnd, NULL, IncludeChildren);
1132	else
1133	if (hrgn)
1134	success = WinInvalidateRegion (hwnd, hrgnTemp, IncludeChildren);
1135	else
1136	success = WinInvalidateRect (hwnd, &rectl, IncludeChildren);
1137
1138	if (!success) goto error;
1139	}
1140	else if (redraw & RDW_VALIDATE_W)
1141	{
1142	if (redraw & RDW_NOERASE_W)
1143	wnd->setEraseBkgnd(FALSE);
1144
1145	if (WinQueryUpdateRect (hwnd, NULL))
1146	{
1147	if (!pRect && !hrgn)
1148	success = WinValidateRect (hwnd, NULL, IncludeChildren);
1149	else
1150	if (hrgn)
1151	success = WinValidateRegion (hwnd, hrgnTemp, IncludeChildren);
1152	else
1153	success = WinValidateRect (hwnd, &rectl, IncludeChildren);
1154	if (!success) goto error;
1155	}
1156	}
1157
1158	if(WinQueryUpdateRect(hwnd, NULL))
1159	{
1160	//TODO: Does this work if RDW_ALLCHILDREN is set??
1161	if(redraw & RDW_UPDATENOW_W) {
1162	wnd->MsgPaint (0, FALSE);
1163	}
1164	else
1165	// if((redraw & RDW_ERASE_W) && (redraw & RDW_ERASENOW_W))
1166	if(redraw & RDW_ERASENOW_W && wnd->needsEraseBkgnd())
1167	wnd->setEraseBkgnd(sendEraseBkgnd(wnd) == 0);
1168	}
1169	else if((redraw & RDW_INTERNALPAINT_W) && !(redraw & RDW_INVALIDATE_W))
1170	{
1171	if(redraw & RDW_UPDATENOW_W)
1172	wnd->MsgPaint (0, FALSE);
1173	else PostMessageA(hwnd, WINWM_PAINT, 0, 0);
1174	}
1175
1176	error:
1177	/* clean up */
1178	if (hrgnTemp)
1179	GpiDestroyRegion (hpsTemp, hrgnTemp);
1180
1181	if (hpsTemp)
1182	WinReleasePS (hpsTemp);
1183
1184	if (!success)
1185	SetLastError(ERROR_INVALID_PARAMETER_W);
1186
1187	return (success);
1188	}
1189	//******************************************************************************
1190	//******************************************************************************
1191	BOOL WIN32API UpdateWindow (HWND hwnd)
1192	{
1193	Win32BaseWindow *wnd = Win32BaseWindow::GetWindowFromHandle (hwnd);
1194
1195	if(!wnd) {
1196	SetLastError(ERROR_INVALID_WINDOW_HANDLE_W);
1197	return FALSE;
1198	}
1199
1200	dprintf (("User32: UpdateWindow hwnd %x", hwnd));
1201	////SvL: This doesn't work right (Wine uses RDW_NOCHILDREN_W -> doesn't work here)
1202	//// Breaks vpbuddy
1203	//// return RedrawWindow( hwnd, NULL, 0, RDW_UPDATENOW_W \| RDW_ALLCHILDREN_W);
1204	WinUpdateWindow(wnd->getOS2WindowHandle());
1205	return TRUE;
1206	}
1207	//******************************************************************************
1208	//******************************************************************************
1209	BOOL WIN32API InvalidateRect (HWND hwnd, const RECT *pRect, BOOL erase)
1210	{
1211	BOOL result;
1212
1213	result = RedrawWindow (hwnd, pRect, NULLHANDLE,
1214	RDW_ALLCHILDREN_W \| RDW_INVALIDATE_W \|
1215	(erase ? RDW_ERASE_W : 0) \|
1216	(hwnd == NULLHANDLE ? RDW_UPDATENOW_W : 0));
1217	return (result);
1218	}
1219	//******************************************************************************
1220	//******************************************************************************
1221	BOOL WIN32API InvalidateRgn (HWND hwnd, HRGN hrgn, BOOL erase)
1222	{
1223	BOOL result;
1224
1225	result = RedrawWindow (hwnd, NULL, hrgn,
1226	RDW_ALLCHILDREN_W \| RDW_INVALIDATE_W \|
1227	(erase ? RDW_ERASE_W : 0) \|
1228	(hwnd == NULLHANDLE ? RDW_UPDATENOW_W : 0));
1229	return (result);
1230	}
1231	//******************************************************************************
1232	//******************************************************************************
1233	BOOL setPMRgnIntoWinRgn (HRGN hrgnPM, HRGN hrgnWin, LONG height)
1234	{
1235	BOOL rc;
1236	HPS hps = WinGetScreenPS (HWND_DESKTOP);
1237	RGNRECT rgnRect;
1238	rgnRect.ircStart = 1;
1239	rgnRect.crc = 0;
1240	rgnRect.ulDirection = RECTDIR_LFRT_TOPBOT; // doesn't make a difference because we're getting them all
1241
1242	rc = GpiQueryRegionRects (hps, hrgnPM, NULL, &rgnRect, NULL);
1243
1244	if (rc && (rgnRect.crcReturned > 0))
1245	{
1246	PRECTL Rcls = new RECTL[rgnRect.crcReturned];
1247	PRECTL pRcl = Rcls;
1248
1249	if (Rcls != NULL)
1250	{
1251	rgnRect.crc = rgnRect.crcReturned;
1252	rc = GpiQueryRegionRects (hps, hrgnPM, NULL, &rgnRect, Rcls);
1253
1254	rc = O32_SetRectRgn (hrgnWin, pRcl->xLeft,
1255	pRcl->xRight,
1256	height - pRcl->yTop,
1257	height - pRcl->yBottom);
1258
1259	if (rgnRect.crcReturned > 1)
1260	{
1261	int i;
1262	HRGN temp;
1263	temp = O32_CreateRectRgn (0, 0, 1, 1);
1264
1265	for (i = 1, pRcl++; rc && (i < rgnRect.crcReturned); i++, pRcl++)
1266	{
1267	rc = O32_SetRectRgn (temp, pRcl->xLeft,
1268	pRcl->xRight,
1269	height - pRcl->yTop,
1270	height - pRcl->yBottom);
1271	rc &= O32_CombineRgn (hrgnWin, hrgnWin, temp, RGN_OR_W);
1272	}
1273	O32_DeleteObject (temp);
1274	}
1275	delete[] Rcls;
1276	}
1277	else
1278	{
1279	rc = FALSE;
1280	}
1281	}
1282	else
1283	{
1284	rc = O32_SetRectRgn (hrgnWin, 0, 0, 0, 0);
1285	}
1286
1287	WinReleasePS (hps);
1288	return (rc);
1289	}
1290	//******************************************************************************
1291	//******************************************************************************
1292	BOOL WIN32API ScrollDC (HDC hDC, int dx, int dy, const RECT *pScroll,
1293	const RECT *pClip, HRGN hrgnUpdate, LPRECT pRectUpdate)
1294	{
1295	BOOL rc = TRUE;
1296
1297	dprintf (("USER32: ScrollDC"));
1298
1299	if (!hDC)
1300	{
1301	return (FALSE);
1302	}
1303
1304	pDCData pHps = (pDCData)GpiQueryDCData ((HPS)hDC);
1305	HWND hwnd = pHps->hwnd;
1306	Win32BaseWindow *wnd = Win32BaseWindow::GetWindowFromHandle (hwnd);
1307
1308	if ((hwnd == NULLHANDLE) \|\| !wnd)
1309	{
1310	return (FALSE);
1311	}
1312
1313	POINTL ptl[2] = { 0, 0, dx, dy };
1314
1315	GpiConvert (pHps->hps, CVTC_WORLD, CVTC_DEVICE, 2, ptl);
1316	dx = (int)(ptl[1].x - ptl[0].x);
1317	dy = (int)(ptl[1].y - ptl[0].y);
1318
1319	RECTL scrollRect;
1320	RECTL clipRect;
1321
1322	if (pClip)
1323	{
1324	clipRect.xLeft = min (pClip->left, pClip->right);
1325	clipRect.xRight = max (pClip->left, pClip->right);
1326	clipRect.yTop = max (pClip->top, pClip->bottom);
1327	clipRect.yBottom = min (pClip->top, pClip->bottom);
1328
1329	if ((pHps->graphicsMode == GM_COMPATIBLE_W) &&
1330	(clipRect.xLeft != clipRect.xRight) &&
1331	(clipRect.yBottom != clipRect.yTop))
1332	{
1333	if (abs((int)pHps->viewportXExt) <= abs((int)pHps->windowExt.cx))
1334	clipRect.xRight -= abs(pHps->worldXDeltaFor1Pixel);
1335	else
1336	clipRect.xLeft += abs(pHps->worldXDeltaFor1Pixel);
1337
1338	if (abs((int)pHps->viewportYExt) <= abs((int)pHps->windowExt.cy))
1339	clipRect.yTop -= abs(pHps->worldYDeltaFor1Pixel);
1340	else
1341	clipRect.yBottom += abs(pHps->worldYDeltaFor1Pixel);
1342	}
1343	GpiConvert (pHps->hps, CVTC_WORLD, CVTC_DEVICE, 2, (PPOINTL)&clipRect);
1344	if (clipRect.xRight < clipRect.xLeft) {
1345	ULONG temp = clipRect.xLeft;
1346	clipRect.xLeft = clipRect.xRight;
1347	clipRect.xRight = temp;
1348	}
1349	if (clipRect.yTop < clipRect.yBottom) {
1350	ULONG temp = clipRect.yBottom;
1351	clipRect.yBottom = clipRect.yTop;
1352	clipRect.yTop = temp;
1353	}
1354	}
1355
1356	if (pScroll)
1357	{
1358	scrollRect.xLeft = min (pScroll->left, pScroll->right);
1359	scrollRect.xRight = max (pScroll->left, pScroll->right);
1360	scrollRect.yTop = max (pScroll->top, pScroll->bottom);
1361	scrollRect.yBottom = min (pScroll->top, pScroll->bottom);
1362
1363	if ((pHps->graphicsMode == GM_COMPATIBLE_W) &&
1364	(scrollRect.xLeft != scrollRect.xRight) &&
1365	(scrollRect.yBottom != scrollRect.yTop))
1366	{
1367	if (abs((int)pHps->viewportXExt) <= abs((int)pHps->windowExt.cx))
1368	scrollRect.xRight -= abs(pHps->worldXDeltaFor1Pixel);
1369	else
1370	scrollRect.xLeft += abs(pHps->worldXDeltaFor1Pixel);
1371
1372	if (abs((int)pHps->viewportYExt) <= abs((int)pHps->windowExt.cy))
1373	scrollRect.yTop -= abs(pHps->worldYDeltaFor1Pixel);
1374	else
1375	scrollRect.yBottom += abs(pHps->worldYDeltaFor1Pixel);
1376	}
1377	GpiConvert (pHps->hps, CVTC_WORLD, CVTC_DEVICE, 2, (PPOINTL)&scrollRect);
1378	if (scrollRect.xRight < scrollRect.xLeft) {
1379	ULONG temp = scrollRect.xLeft;
1380	scrollRect.xLeft = scrollRect.xRight;
1381	scrollRect.xRight = temp;
1382	}
1383	if (scrollRect.yTop < scrollRect.yBottom) {
1384	ULONG temp = scrollRect.yBottom;
1385	scrollRect.yBottom = scrollRect.yTop;
1386	scrollRect.yTop = temp;
1387	}
1388	}
1389	RECTL rectlUpdate;
1390	HRGN hrgn;
1391
1392	LONG lComplexity = WinScrollWindow (hwnd, dx, dy, (pScroll) ? &scrollRect : NULL, (pClip) ? &clipRect : NULL, hrgn, &rectlUpdate, 0);
1393	if (lComplexity == RGN_ERROR)
1394	{
1395	return (FALSE);
1396	}
1397
1398	RECT winRectUpdate;
1399	LONG height = wnd->getClientHeight();
1400
1401	winRectUpdate.left = rectlUpdate.xLeft;
1402	winRectUpdate.right = rectlUpdate.xRight;
1403	winRectUpdate.top = height - rectlUpdate.yTop;
1404	winRectUpdate.bottom = height - rectlUpdate.yBottom;
1405
1406	if (pRectUpdate)
1407	*pRectUpdate = winRectUpdate;
1408
1409	if (hrgnUpdate)
1410	rc = setPMRgnIntoWinRgn (hrgn, hrgnUpdate, height);
1411
1412	return (rc);
1413	}
1414	//******************************************************************************
1415	//******************************************************************************
1416	#if 1
1417	BOOL WIN32API ScrollWindow(HWND hwnd, int dx, int dy, const RECT pScroll, const RECT pClip)
1418	{
1419	Win32BaseWindow *window;
1420	APIRET rc;
1421	RECTL clientRect;
1422	PRECT pClientRect;
1423	RECTL scrollRect;
1424	RECTL clipRect;
1425	PRECTL pScrollRect = NULL;
1426	PRECTL pClipRect = NULL;
1427	ULONG scrollFlags = SW_INVALIDATERGN;
1428
1429	window = Win32BaseWindow::GetWindowFromHandle(hwnd);
1430	if(!window) {
1431	dprintf(("ScrollWindow, window %x not found", hwnd));
1432	return 0;
1433	}
1434	dprintf(("ScrollWindow %x %d %d %x %x", hwnd, dx, dy, pScroll, pClip));
1435
1436	pClientRect = window->getClientRectPtr();
1437	clientRect.xLeft = 0;
1438	clientRect.yBottom = 0;
1439	clientRect.xRight = pClientRect->right - pClientRect->left;
1440	clientRect.yTop = pClientRect->bottom - pClientRect->top;
1441
1442	if(pScroll) {
1443	mapWin32ToOS2Rect(window,(RECT *)pScroll, (PRECTLOS2)&scrollRect);
1444	pScrollRect = &scrollRect;
1445
1446	//Scroll rectangle relative to client area
1447	WinIntersectRect ((HAB) 0, pScrollRect, pScrollRect, &clientRect);
1448	}
1449	else scrollFlags \|= SW_SCROLLCHILDREN;
1450
1451	if(pClip) {
1452	mapWin32ToOS2Rect(window,(RECT *)pClip, (PRECTLOS2)&clipRect);
1453	pClipRect = &clipRect;
1454
1455	//Clip rectangle relative to client area
1456	WinIntersectRect ((HAB) 0, pClipRect, pClipRect, &clientRect);
1457	}
1458
1459	dy = revertDy (window, dy);
1460
1461	rc = WinScrollWindow(window->getOS2WindowHandle(), dx, dy,
1462	pScrollRect, pClipRect, NULLHANDLE,
1463	NULL, scrollFlags);
1464
1465	return (rc != RGN_ERROR);
1466	}
1467	#else
1468	BOOL WIN32API ScrollWindow(HWND hwnd, int dx, int dy, const RECT pScroll, const RECT pClip)
1469	{
1470	Win32BaseWindow *window;
1471	APIRET rc;
1472	RECTL clientRect;
1473	RECTL scrollRect;
1474	RECTL clipRect;
1475	PRECTL pScrollRect = NULL;
1476	PRECTL pClipRect = NULL;
1477	ULONG scrollFlags = SW_INVALIDATERGN;
1478
1479	window = Win32BaseWindow::GetWindowFromHandle(hwnd);
1480	if(!window) {
1481	dprintf(("ScrollWindow, window %x not found", hwnd));
1482	return 0;
1483	}
1484	dprintf(("ScrollWindow %x %d %d %x %x", hwnd, dx, dy, pScroll, pClip));
1485	mapWin32ToOS2Rect(window,window->getClientRectPtr(),(PRECTLOS2)&clientRect);
1486	#if 0
1487	//Rectangle could be relative to parent window, so fix this
1488	if(clientRect.yBottom != 0) {
1489	clientRect.yTop -= clientRect.yBottom;
1490	clientRect.yBottom = 0;
1491	}
1492	if(clientRect.xLeft != 0) {
1493	clientRect.xRight -= clientRect.xLeft;
1494	clientRect.xLeft = 0;
1495	}
1496	#endif
1497	if(pScroll) {
1498	mapWin32ToOS2Rect(window,(RECT *)pScroll, (PRECTLOS2)&scrollRect);
1499	pScrollRect = &scrollRect;
1500
1501	//Scroll rectangle relative to client area
1502	pScrollRect->xLeft += clientRect.xLeft;
1503	pScrollRect->xRight += clientRect.xLeft;
1504	pScrollRect->yTop += clientRect.yBottom;
1505	pScrollRect->yBottom += clientRect.yBottom;
1506	WinIntersectRect ((HAB) 0, pScrollRect, pScrollRect, &clientRect);
1507	}
1508	else scrollFlags \|= SW_SCROLLCHILDREN;
1509
1510	if(pClip) {
1511	mapWin32ToOS2Rect(window,(RECT *)pClip, (PRECTLOS2)&clipRect);
1512	pClipRect = &clipRect;
1513
1514	//Clip rectangle relative to client area
1515	pClipRect->xLeft += clientRect.xLeft;
1516	pClipRect->xRight += clientRect.xLeft;
1517	pClipRect->yTop += clientRect.yBottom;
1518	pClipRect->yBottom += clientRect.yBottom;
1519	WinIntersectRect ((HAB) 0, pClipRect, pClipRect, &clientRect);
1520	}
1521
1522	dy = revertDy (window, dy);
1523
1524	rc = WinScrollWindow(window->getOS2WindowHandle(), dx, dy,
1525	pScrollRect, pClipRect, NULLHANDLE,
1526	NULL, scrollFlags);
1527
1528	return (rc != RGN_ERROR);
1529	}
1530	#endif
1531	//******************************************************************************
1532	//******************************************************************************
1533	INT WIN32API ScrollWindowEx(HWND hwnd, int dx, int dy, const RECT pScroll, const RECT pClip,
1534	HRGN hrgnUpdate, PRECT pRectUpdate, UINT scrollFlag)
1535	{
1536	Win32BaseWindow *window;
1537	APIRET rc;
1538	RECTL scrollRect;
1539	RECTL clipRect;
1540	ULONG scrollFlags = 0;
1541	int regionType = ERROR_W;
1542
1543	window = Win32BaseWindow::GetWindowFromHandle(hwnd);
1544	if(!window) {
1545	dprintf(("ScrollWindowEx, window %x not found", hwnd));
1546	return 0;
1547	}
1548
1549	dprintf(("ScrollWindowEx %x %d %d %x %x", hwnd, dx, dy, pScroll, pClip));
1550
1551	dy = revertDy (window, dy);
1552
1553	if (scrollFlag & SW_INVALIDATE_W) scrollFlags \|= SW_INVALIDATERGN;
1554	if (scrollFlag & SW_SCROLLCHILDREN_W) scrollFlags \|= SW_SCROLLCHILDREN;
1555
1556	if(pScroll) mapWin32ToOS2Rect(window,(RECT *)pScroll, (PRECTLOS2)&scrollRect);
1557	if(pClip) mapWin32ToOS2Rect(window,(RECT *)pClip, (PRECTLOS2)&clipRect);
1558
1559	RECTL rectlUpdate;
1560	HRGN hrgn;
1561
1562	if (scrollFlag & SW_SMOOTHSCROLL_W)
1563	{
1564	INT time = (scrollFlag >> 16) & 0xFFFF;
1565
1566	//CB: todo, scroll in several steps
1567	// is time in ms? time <-> iteration count?
1568	}
1569
1570	LONG lComplexity = WinScrollWindow (window->getOS2WindowHandle(), dx, dy,
1571	(pScroll) ? &scrollRect : NULL,
1572	(pClip) ? &clipRect : NULL,
1573	hrgn, &rectlUpdate, scrollFlags);
1574	if (lComplexity == RGN_ERROR)
1575	{
1576	return ERROR_W;
1577	}
1578
1579	RECT winRectUpdate;
1580	LONG height = window->getClientHeight();
1581
1582	winRectUpdate.left = rectlUpdate.xLeft;
1583	winRectUpdate.right = rectlUpdate.xRight;
1584	winRectUpdate.top = height - rectlUpdate.yTop;
1585	winRectUpdate.bottom = height - rectlUpdate.yBottom;
1586
1587	if (pRectUpdate)
1588	*pRectUpdate = winRectUpdate;
1589
1590	if (hrgnUpdate)
1591	rc = setPMRgnIntoWinRgn (hrgn, hrgnUpdate, height);
1592
1593	//SvL: WinScrollWindow already invalidates the area; no need to do it again
1594	//(call to invalidateRect was wrong; has to include erase flag)
1595	#if 0
1596	if ((scrollFlag & SW_INVALIDATE_W) &&
1597	((lComplexity == RGN_RECT) \|\| (lComplexity == RGN_COMPLEX)))
1598	{
1599	rc = InvalidateRect (hwnd, &winRectUpdate, (scrollFlag & SW_ERASE_W) ? 1 : 0);
1600	if (rc == FALSE)
1601	{
1602	return (0);
1603	}
1604	}
1605	#endif
1606
1607	switch (lComplexity)
1608	{
1609	case RGN_NULL:
1610	regionType = NULLREGION_W;
1611	break;
1612	case RGN_RECT:
1613	regionType = SIMPLEREGION_W;
1614	break;
1615	case RGN_COMPLEX:
1616	regionType = COMPLEXREGION_W;
1617	break;
1618	default:
1619	regionType = ERROR_W;
1620	break;
1621	}
1622
1623	return (regionType);
1624	}
1625	//******************************************************************************
1626	//******************************************************************************
1627	HWND WIN32API WindowFromDC(HDC hdc)
1628	{
1629	pDCData pHps = (pDCData)GpiQueryDCData( (HPS)hdc );
1630
1631	dprintf2(("USER32: WindowFromDC %x", hdc));
1632	if ( pHps )
1633	return Win32BaseWindow::OS2ToWin32Handle(pHps->hwnd);
1634	else
1635	return 0;
1636	}
1637	//******************************************************************************
1638	//******************************************************************************
1639	INT WIN32API ExcludeUpdateRgn( HDC hDC, HWND hWnd)
1640	{
1641	dprintf(("USER32: ExcludeUpdateRgn\n"));
1642	hWnd = Win32BaseWindow::Win32ToOS2Handle(hWnd);
1643
1644	return O32_ExcludeUpdateRgn(hDC,hWnd);
1645	}
1646	//******************************************************************************
1647	//******************************************************************************
1648	BOOL WIN32API ValidateRect( HWND hwnd, const RECT * lprc)
1649	{
1650	if(lprc) {
1651	dprintf(("USER32: ValidateRect %x (%d,%d)(%d,%d)", hwnd, lprc->left, lprc->top, lprc->right, lprc->bottom));
1652	}
1653	else dprintf(("USER32: ValidateRect %x", hwnd));
1654
1655	return RedrawWindow( hwnd, lprc, 0, RDW_VALIDATE_W \| RDW_NOCHILDREN_W \| (hwnd==0 ? RDW_UPDATENOW_W : 0));
1656	}
1657	//******************************************************************************
1658	//******************************************************************************
1659	BOOL WIN32API ValidateRgn( HWND hwnd, HRGN hrgn)
1660	{
1661	dprintf(("USER32: ValidateRgn %x %x", hwnd, hrgn));
1662	return RedrawWindow( hwnd, NULL, hrgn, RDW_VALIDATE_W \| RDW_NOCHILDREN_W \| (hwnd==0 ? RDW_UPDATENOW_W : 0));
1663	}
1664	/*****************************************************************************
1665	* Name : int WIN32API GetWindowRgn
1666	* Purpose : The GetWindowRgn function obtains a copy of the window region of a window.
1667	* Parameters: HWND hWnd handle to window whose window region is to be obtained
1668	* HRGN hRgn handle to region that receives a copy of the window region
1669	* Variables :
1670	* Result : NULLREGION, SIMPLEREGION, COMPLEXREGION, ERROR
1671	* Remark :
1672	* Status : UNTESTED STUB
1673	*
1674	* Author : Patrick Haller [Thu, 1998/02/26 11:55]
1675	*****************************************************************************/
1676
1677	int WIN32API GetWindowRgn(HWND hwnd, HRGN hRgn)
1678	{
1679	Win32BaseWindow *window;
1680	HRGN hWindowRegion;
1681
1682	window = Win32BaseWindow::GetWindowFromHandle(hwnd);
1683	if(!window) {
1684	dprintf(("SetWindowContextHelpId, window %x not found", hwnd));
1685	SetLastError(ERROR_INVALID_WINDOW_HANDLE_W);
1686	return 0;
1687	}
1688	dprintf(("USER32:GetWindowRgn (%x,%x)", hwnd, hRgn));
1689	hWindowRegion = window->GetWindowRegion();
1690
1691	return O32_CombineRgn(hRgn, hWindowRegion, 0, RGN_COPY_W);
1692	}
1693	/*****************************************************************************
1694	* Name : int WIN32API SetWindowRgn
1695	* Purpose : The SetWindowRgn function sets the window region of a window. The
1696	* window region determines the area within the window where the
1697	* operating system permits drawing. The operating system does not
1698	* display any portion of a window that lies outside of the window region
1699	* When this function is called, the system sends the WM_WINDOWPOSCHANGING and
1700	* WM_WINDOWPOSCHANGED messages to the window.
1701	*
1702	* Parameters: HWND hWnd handle to window whose window region is to be set
1703	* HRGN hRgn handle to region
1704	* BOOL bRedraw window redraw flag
1705	* Variables :
1706	* Result : If the function succeeds, the return value is non-zero.
1707	* If the function fails, the return value is zero.
1708	* Remark :
1709	* Status : UNTESTED STUB
1710	*
1711	* Author : Patrick Haller [Thu, 1998/02/26 11:55]
1712	*****************************************************************************/
1713
1714	int WIN32API SetWindowRgn(HWND hwnd,
1715	HRGN hRgn,
1716	BOOL bRedraw)
1717	{
1718	Win32BaseWindow *window;
1719	HRGN hWindowRegion;
1720
1721	window = Win32BaseWindow::GetWindowFromHandle(hwnd);
1722	if(!window) {
1723	dprintf(("SetWindowContextHelpId, window %x not found", hwnd));
1724	SetLastError(ERROR_INVALID_WINDOW_HANDLE_W);
1725	return 0;
1726	}
1727	dprintf(("USER32:SetWindowRgn (%x,%x,%d)", hwnd, hRgn, bRedraw));
1728	if(window->GetWindowRegion()) {
1729	O32_DeleteObject(window->GetWindowRegion());
1730	}
1731	window->SetWindowRegion(hRgn);
1732	if(bRedraw) {
1733	RedrawWindow(hwnd, 0, 0, RDW_UPDATENOW_W);
1734	}
1735	//TODO:
1736	// When this function is called, the system sends the WM_WINDOWPOSCHANGING and
1737	// WM_WINDOWPOSCHANGED messages to the window.
1738	return 1;
1739	}
1740	//******************************************************************************
1741	//******************************************************************************

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