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source: trunk/src/user32/dc.cpp@ 3294

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Last change on this file since 3294 was 3294, checked in by sandervl, 25 years ago
dc.cpp cleanup
File size: 52.5 KB

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1	/* $Id: dc.cpp,v 1.51 2000-04-02 09:24:19 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	if(ExtSelectClipRgn(pHps->hps, hrgn, RGN_AND_W) == ERROR_W) {
939	dprintf(("ExtSelectClipRgn failed!!"));
940	}
941	}
942	if (!success)
943	goto error;
944	}
945
946	if (creatingOwnDC)
947	wnd->setOwnDC ((HDC)hps);
948
949	pHps->psType = psType;
950	pHps->hdcType = TYPE_1;
951	//TODO: WM_SETREDRAW affects drawingAllowed flag!!
952	GpiSetDrawControl (hps, DCTL_DISPLAY, drawingAllowed ? DCTL_ON : DCTL_OFF);
953
954	dprintf (("User32: GetDCEx hwnd %x (%x %x) -> hdc %x", hwnd, hrgn, flags, pHps->hps));
955	return (HDC)pHps->hps;
956
957	error:
958	/* Something went wrong; clean up
959	*/
960	if (pHps)
961	{
962	if (pHps->hps)
963	{
964	if(pHps->psType == MICRO_CACHED)
965	WinReleasePS(pHps->hps);
966	else
967	GpiDestroyPS(pHps->hps);
968	}
969
970	if (pHps->hdc) DevCloseDC(pHps->hdc);
971	if (pHps->hrgnHDC) GpiDestroyRegion(pHps->hps, pHps->hrgnHDC);
972
973	O32_DeleteObject (pHps->nullBitmapHandle);
974	}
975	SetLastError(ERROR_INVALID_PARAMETER_W);
976	return NULL;
977	}
978	//******************************************************************************
979	//******************************************************************************
980	HDC WIN32API GetDC (HWND hwnd)
981	{
982	if(!hwnd)
983	return GetDCEx( GetDesktopWindow(), 0, DCX_CACHE_W \| DCX_WINDOW_W );
984	return GetDCEx (hwnd, NULL, 0);
985	}
986	//******************************************************************************
987	//******************************************************************************
988	HDC WIN32API GetWindowDC (HWND hwnd)
989	{
990	if (!hwnd) hwnd = GetDesktopWindow();
991	return GetDCEx (hwnd, NULL, DCX_USESTYLE_W \| DCX_WINDOW_W);
992	}
993	//******************************************************************************
994	//******************************************************************************
995	int WIN32API ReleaseDC (HWND hwnd, HDC hdc)
996	{
997	BOOL isOwnDC = FALSE;
998	int rc;
999
1000	if (hwnd)
1001	{
1002	Win32BaseWindow *wnd = Win32BaseWindow::GetWindowFromHandle (hwnd);
1003	if(wnd == NULL) {
1004	dprintf(("ERROR: ReleaseDC %x %x failed", hwnd, hdc));
1005	return 0;
1006	}
1007	//SvL: Hack for memory.exe (doesn't get repainted properly otherwise)
1008	// isOwnDC = wnd->isOwnDC() && wnd->getOwnDC();
1009	isOwnDC = wnd->isOwnDC() && (wnd->getOwnDC() == hdc);
1010	}
1011	if (isOwnDC)
1012	rc = TRUE;
1013	else
1014	rc = O32_ReleaseDC (0, hdc);
1015
1016	dprintf(("ReleaseDC %x %x", hwnd, hdc));
1017	return (rc);
1018	}
1019	//******************************************************************************
1020	// This implementation of RedrawWindow supports
1021	// RDW_ERASE
1022	// RDW_NOERASE
1023	// RDW_INTERNALPAINT
1024	// RDW_NOINTERNALPAINT
1025	// RDW_INVALIDATE
1026	// RDW_VALIDATE
1027	// RDW_ERASENOW
1028	// RDW_UPDATENOW
1029	//******************************************************************************
1030	BOOL WIN32API RedrawWindow(HWND hwnd, const RECT* pRect, HRGN hrgn, DWORD redraw)
1031	{
1032	Win32BaseWindow *wnd;
1033
1034	if(pRect) {
1035	dprintf(("RedrawWindow %x (%d,%d)(%d,%d) %x %x", hwnd, pRect->left, pRect->top, pRect->right, pRect->bottom, hrgn, redraw));
1036	}
1037	else dprintf(("RedrawWindow %x %x %x %x", hwnd, pRect, hrgn, redraw));
1038
1039	if (redraw & (RDW_FRAME_W \| RDW_NOFRAME_W))
1040	{
1041	SetLastError(ERROR_NOT_SUPPORTED_W);
1042	return FALSE;
1043	}
1044
1045	if (hwnd == NULLHANDLE)
1046	{
1047	#if 1
1048	// Don't do this for now (causes lots of desktop repaints in WordPad)
1049	SetLastError(ERROR_INVALID_PARAMETER_W);
1050	return FALSE;
1051	#else
1052	hwnd = HWND_DESKTOP;
1053	wnd = Win32BaseWindow::GetWindowFromOS2Handle(OSLIB_HWND_DESKTOP);
1054
1055	if (!wnd)
1056	{
1057	dprintf(("USER32:dc: RedrawWindow can't find desktop window %08xh\n",
1058	hwnd));
1059	SetLastError(ERROR_INVALID_PARAMETER_W);
1060	return FALSE;
1061	}
1062	#endif
1063	}
1064	else
1065	{
1066	wnd = Win32BaseWindow::GetWindowFromHandle (hwnd);
1067
1068	if (!wnd)
1069	{
1070	dprintf(("USER32:dc: RedrawWindow can't find window %08xh\n",
1071	hwnd));
1072	SetLastError(ERROR_INVALID_PARAMETER_W);
1073	return FALSE;
1074	}
1075	hwnd = wnd->getOS2WindowHandle();
1076	}
1077
1078	BOOL IncludeChildren = redraw & RDW_ALLCHILDREN_W ? TRUE : FALSE;
1079	BOOL success = TRUE;
1080	HPS hpsTemp = NULLHANDLE;
1081	HRGN hrgnTemp = NULLHANDLE;
1082	RECTL rectl;
1083
1084	if (hrgn)
1085	{
1086	ULONG BytesNeeded;
1087	PRGNDATA_W RgnData;
1088	PRECTL pr;
1089	int i;
1090	LONG height = wnd ? wnd->getClientHeight() : OSLibQueryScreenHeight();
1091
1092	if (!hrgn)
1093	goto error;
1094
1095	BytesNeeded = O32_GetRegionData (hrgn, 0, NULL);
1096	RgnData = (PRGNDATA_W)_alloca (BytesNeeded);
1097	if (RgnData == NULL)
1098	goto error;
1099	O32_GetRegionData (hrgn, BytesNeeded, RgnData);
1100
1101	pr = (PRECTL)(RgnData->Buffer);
1102	for (i = RgnData->rdh.nCount; i > 0; i--, pr++) {
1103	LONG temp = pr->yTop;
1104	pr->yTop = height - pr->yBottom;
1105	pr->yBottom = height - temp;
1106	}
1107
1108	hpsTemp = WinGetScreenPS (HWND_DESKTOP);
1109	hrgnTemp = GpiCreateRegion (hpsTemp, RgnData->rdh.nCount, (PRECTL)(RgnData->Buffer));
1110	if (!hrgnTemp) goto error;
1111	}
1112	else if (pRect)
1113	{
1114	LONG height = wnd ? wnd->getClientHeight() : OSLibQueryScreenHeight();
1115
1116	PMRECT_FROM_WINRECT (rectl, *pRect);
1117	rectl.yTop = height - rectl.yTop;
1118	rectl.yBottom = height - rectl.yBottom;
1119	}
1120
1121	if (redraw & RDW_INVALIDATE_W)
1122	{
1123	//TODO: SvL: pingpong.exe doesn't have RDW_NOERASE, but doesn't want WM_ERASEBKGND msgs
1124	if (redraw & RDW_ERASE_W)
1125	wnd->setEraseBkgnd (TRUE);
1126
1127	if (!pRect && !hrgn)
1128	success = WinInvalidateRect (hwnd, NULL, IncludeChildren);
1129	else
1130	if (hrgn)
1131	success = WinInvalidateRegion (hwnd, hrgnTemp, IncludeChildren);
1132	else
1133	success = WinInvalidateRect (hwnd, &rectl, IncludeChildren);
1134
1135	if (!success) goto error;
1136	}
1137	else if (redraw & RDW_VALIDATE_W)
1138	{
1139	if (redraw & RDW_NOERASE_W)
1140	wnd->setEraseBkgnd(FALSE);
1141
1142	if (WinQueryUpdateRect (hwnd, NULL))
1143	{
1144	if (!pRect && !hrgn)
1145	success = WinValidateRect (hwnd, NULL, IncludeChildren);
1146	else
1147	if (hrgn)
1148	success = WinValidateRegion (hwnd, hrgnTemp, IncludeChildren);
1149	else
1150	success = WinValidateRect (hwnd, &rectl, IncludeChildren);
1151	if (!success) goto error;
1152	}
1153	}
1154
1155	if(WinQueryUpdateRect(hwnd, NULL))
1156	{
1157	//TODO: Does this work if RDW_ALLCHILDREN is set??
1158	if(redraw & RDW_UPDATENOW_W) {
1159	wnd->MsgPaint (0, FALSE);
1160	}
1161	else
1162	// if((redraw & RDW_ERASE_W) && (redraw & RDW_ERASENOW_W))
1163	if(redraw & RDW_ERASENOW_W && wnd->needsEraseBkgnd())
1164	wnd->setEraseBkgnd(sendEraseBkgnd(wnd) == 0);
1165	}
1166	else if((redraw & RDW_INTERNALPAINT_W) && !(redraw & RDW_INVALIDATE_W))
1167	{
1168	if(redraw & RDW_UPDATENOW_W)
1169	wnd->MsgPaint (0, FALSE);
1170	else PostMessageA(hwnd, WINWM_PAINT, 0, 0);
1171	}
1172
1173	error:
1174	/* clean up */
1175	if (hrgnTemp)
1176	GpiDestroyRegion (hpsTemp, hrgnTemp);
1177
1178	if (hpsTemp)
1179	WinReleasePS (hpsTemp);
1180
1181	if (!success)
1182	SetLastError(ERROR_INVALID_PARAMETER_W);
1183
1184	return (success);
1185	}
1186	//******************************************************************************
1187	//******************************************************************************
1188	BOOL WIN32API UpdateWindow (HWND hwnd)
1189	{
1190	Win32BaseWindow *wnd = Win32BaseWindow::GetWindowFromHandle (hwnd);
1191
1192	if(!wnd) {
1193	SetLastError(ERROR_INVALID_WINDOW_HANDLE_W);
1194	return FALSE;
1195	}
1196
1197	dprintf (("User32: UpdateWindow hwnd %x", hwnd));
1198	////SvL: This doesn't work right (Wine uses RDW_NOCHILDREN_W -> doesn't work here)
1199	//// Breaks vpbuddy
1200	//// return RedrawWindow( hwnd, NULL, 0, RDW_UPDATENOW_W \| RDW_ALLCHILDREN_W);
1201	WinUpdateWindow(wnd->getOS2WindowHandle());
1202	return TRUE;
1203	}
1204	//******************************************************************************
1205	//******************************************************************************
1206	BOOL WIN32API InvalidateRect (HWND hwnd, const RECT *pRect, BOOL erase)
1207	{
1208	BOOL result;
1209
1210	result = RedrawWindow (hwnd, pRect, NULLHANDLE,
1211	RDW_ALLCHILDREN_W \| RDW_INVALIDATE_W \|
1212	(erase ? RDW_ERASE_W : 0) \|
1213	(hwnd == NULLHANDLE ? RDW_UPDATENOW_W : 0));
1214	return (result);
1215	}
1216	//******************************************************************************
1217	//******************************************************************************
1218	BOOL WIN32API InvalidateRgn (HWND hwnd, HRGN hrgn, BOOL erase)
1219	{
1220	BOOL result;
1221
1222	result = RedrawWindow (hwnd, NULL, hrgn,
1223	RDW_ALLCHILDREN_W \| RDW_INVALIDATE_W \|
1224	(erase ? RDW_ERASE_W : 0) \|
1225	(hwnd == NULLHANDLE ? RDW_UPDATENOW_W : 0));
1226	return (result);
1227	}
1228	//******************************************************************************
1229	//******************************************************************************
1230	BOOL setPMRgnIntoWinRgn (HRGN hrgnPM, HRGN hrgnWin, LONG height)
1231	{
1232	BOOL rc;
1233	HPS hps = WinGetScreenPS (HWND_DESKTOP);
1234	RGNRECT rgnRect;
1235	rgnRect.ircStart = 1;
1236	rgnRect.crc = 0;
1237	rgnRect.ulDirection = RECTDIR_LFRT_TOPBOT; // doesn't make a difference because we're getting them all
1238
1239	rc = GpiQueryRegionRects (hps, hrgnPM, NULL, &rgnRect, NULL);
1240
1241	if (rc && (rgnRect.crcReturned > 0))
1242	{
1243	PRECTL Rcls = new RECTL[rgnRect.crcReturned];
1244	PRECTL pRcl = Rcls;
1245
1246	if (Rcls != NULL)
1247	{
1248	rgnRect.crc = rgnRect.crcReturned;
1249	rc = GpiQueryRegionRects (hps, hrgnPM, NULL, &rgnRect, Rcls);
1250
1251	rc = O32_SetRectRgn (hrgnWin, pRcl->xLeft,
1252	pRcl->xRight,
1253	height - pRcl->yTop,
1254	height - pRcl->yBottom);
1255
1256	if (rgnRect.crcReturned > 1)
1257	{
1258	int i;
1259	HRGN temp;
1260	temp = O32_CreateRectRgn (0, 0, 1, 1);
1261
1262	for (i = 1, pRcl++; rc && (i < rgnRect.crcReturned); i++, pRcl++)
1263	{
1264	rc = O32_SetRectRgn (temp, pRcl->xLeft,
1265	pRcl->xRight,
1266	height - pRcl->yTop,
1267	height - pRcl->yBottom);
1268	rc &= O32_CombineRgn (hrgnWin, hrgnWin, temp, RGN_OR_W);
1269	}
1270	O32_DeleteObject (temp);
1271	}
1272	delete[] Rcls;
1273	}
1274	else
1275	{
1276	rc = FALSE;
1277	}
1278	}
1279	else
1280	{
1281	rc = O32_SetRectRgn (hrgnWin, 0, 0, 0, 0);
1282	}
1283
1284	WinReleasePS (hps);
1285	return (rc);
1286	}
1287	//******************************************************************************
1288	//******************************************************************************
1289	BOOL WIN32API ScrollDC (HDC hDC, int dx, int dy, const RECT *pScroll,
1290	const RECT *pClip, HRGN hrgnUpdate, LPRECT pRectUpdate)
1291	{
1292	BOOL rc = TRUE;
1293
1294	dprintf (("USER32: ScrollDC"));
1295
1296	if (!hDC)
1297	{
1298	return (FALSE);
1299	}
1300
1301	pDCData pHps = (pDCData)GpiQueryDCData ((HPS)hDC);
1302	HWND hwnd = pHps->hwnd;
1303	Win32BaseWindow *wnd = Win32BaseWindow::GetWindowFromHandle (hwnd);
1304
1305	if ((hwnd == NULLHANDLE) \|\| !wnd)
1306	{
1307	return (FALSE);
1308	}
1309
1310	POINTL ptl[2] = { 0, 0, dx, dy };
1311
1312	GpiConvert (pHps->hps, CVTC_WORLD, CVTC_DEVICE, 2, ptl);
1313	dx = (int)(ptl[1].x - ptl[0].x);
1314	dy = (int)(ptl[1].y - ptl[0].y);
1315
1316	RECTL scrollRect;
1317	RECTL clipRect;
1318
1319	if (pClip)
1320	{
1321	clipRect.xLeft = min (pClip->left, pClip->right);
1322	clipRect.xRight = max (pClip->left, pClip->right);
1323	clipRect.yTop = max (pClip->top, pClip->bottom);
1324	clipRect.yBottom = min (pClip->top, pClip->bottom);
1325
1326	if ((pHps->graphicsMode == GM_COMPATIBLE_W) &&
1327	(clipRect.xLeft != clipRect.xRight) &&
1328	(clipRect.yBottom != clipRect.yTop))
1329	{
1330	if (abs((int)pHps->viewportXExt) <= abs((int)pHps->windowExt.cx))
1331	clipRect.xRight -= abs(pHps->worldXDeltaFor1Pixel);
1332	else
1333	clipRect.xLeft += abs(pHps->worldXDeltaFor1Pixel);
1334
1335	if (abs((int)pHps->viewportYExt) <= abs((int)pHps->windowExt.cy))
1336	clipRect.yTop -= abs(pHps->worldYDeltaFor1Pixel);
1337	else
1338	clipRect.yBottom += abs(pHps->worldYDeltaFor1Pixel);
1339	}
1340	GpiConvert (pHps->hps, CVTC_WORLD, CVTC_DEVICE, 2, (PPOINTL)&clipRect);
1341	if (clipRect.xRight < clipRect.xLeft) {
1342	ULONG temp = clipRect.xLeft;
1343	clipRect.xLeft = clipRect.xRight;
1344	clipRect.xRight = temp;
1345	}
1346	if (clipRect.yTop < clipRect.yBottom) {
1347	ULONG temp = clipRect.yBottom;
1348	clipRect.yBottom = clipRect.yTop;
1349	clipRect.yTop = temp;
1350	}
1351	}
1352
1353	if (pScroll)
1354	{
1355	scrollRect.xLeft = min (pScroll->left, pScroll->right);
1356	scrollRect.xRight = max (pScroll->left, pScroll->right);
1357	scrollRect.yTop = max (pScroll->top, pScroll->bottom);
1358	scrollRect.yBottom = min (pScroll->top, pScroll->bottom);
1359
1360	if ((pHps->graphicsMode == GM_COMPATIBLE_W) &&
1361	(scrollRect.xLeft != scrollRect.xRight) &&
1362	(scrollRect.yBottom != scrollRect.yTop))
1363	{
1364	if (abs((int)pHps->viewportXExt) <= abs((int)pHps->windowExt.cx))
1365	scrollRect.xRight -= abs(pHps->worldXDeltaFor1Pixel);
1366	else
1367	scrollRect.xLeft += abs(pHps->worldXDeltaFor1Pixel);
1368
1369	if (abs((int)pHps->viewportYExt) <= abs((int)pHps->windowExt.cy))
1370	scrollRect.yTop -= abs(pHps->worldYDeltaFor1Pixel);
1371	else
1372	scrollRect.yBottom += abs(pHps->worldYDeltaFor1Pixel);
1373	}
1374	GpiConvert (pHps->hps, CVTC_WORLD, CVTC_DEVICE, 2, (PPOINTL)&scrollRect);
1375	if (scrollRect.xRight < scrollRect.xLeft) {
1376	ULONG temp = scrollRect.xLeft;
1377	scrollRect.xLeft = scrollRect.xRight;
1378	scrollRect.xRight = temp;
1379	}
1380	if (scrollRect.yTop < scrollRect.yBottom) {
1381	ULONG temp = scrollRect.yBottom;
1382	scrollRect.yBottom = scrollRect.yTop;
1383	scrollRect.yTop = temp;
1384	}
1385	}
1386	RECTL rectlUpdate;
1387	HRGN hrgn;
1388
1389	LONG lComplexity = WinScrollWindow (hwnd, dx, dy, (pScroll) ? &scrollRect : NULL, (pClip) ? &clipRect : NULL, hrgn, &rectlUpdate, 0);
1390	if (lComplexity == RGN_ERROR)
1391	{
1392	return (FALSE);
1393	}
1394
1395	RECT winRectUpdate;
1396	LONG height = wnd->getClientHeight();
1397
1398	winRectUpdate.left = rectlUpdate.xLeft;
1399	winRectUpdate.right = rectlUpdate.xRight;
1400	winRectUpdate.top = height - rectlUpdate.yTop;
1401	winRectUpdate.bottom = height - rectlUpdate.yBottom;
1402
1403	if (pRectUpdate)
1404	*pRectUpdate = winRectUpdate;
1405
1406	if (hrgnUpdate)
1407	rc = setPMRgnIntoWinRgn (hrgn, hrgnUpdate, height);
1408
1409	return (rc);
1410	}
1411	//******************************************************************************
1412	//******************************************************************************
1413	#if 1
1414	BOOL WIN32API ScrollWindow(HWND hwnd, int dx, int dy, const RECT pScroll, const RECT pClip)
1415	{
1416	Win32BaseWindow *window;
1417	APIRET rc;
1418	RECTL clientRect;
1419	PRECT pClientRect;
1420	RECTL scrollRect;
1421	RECTL clipRect;
1422	PRECTL pScrollRect = NULL;
1423	PRECTL pClipRect = NULL;
1424	ULONG scrollFlags = SW_INVALIDATERGN;
1425
1426	window = Win32BaseWindow::GetWindowFromHandle(hwnd);
1427	if(!window) {
1428	dprintf(("ScrollWindow, window %x not found", hwnd));
1429	return 0;
1430	}
1431	dprintf(("ScrollWindow %x %d %d %x %x", hwnd, dx, dy, pScroll, pClip));
1432
1433	pClientRect = window->getClientRectPtr();
1434	clientRect.xLeft = 0;
1435	clientRect.yBottom = 0;
1436	clientRect.xRight = pClientRect->right - pClientRect->left;
1437	clientRect.yTop = pClientRect->bottom - pClientRect->top;
1438
1439	if(pScroll) {
1440	mapWin32ToOS2Rect(window,(RECT *)pScroll, (PRECTLOS2)&scrollRect);
1441	pScrollRect = &scrollRect;
1442
1443	//Scroll rectangle relative to client area
1444	WinIntersectRect ((HAB) 0, pScrollRect, pScrollRect, &clientRect);
1445	}
1446	else scrollFlags \|= SW_SCROLLCHILDREN;
1447
1448	if(pClip) {
1449	mapWin32ToOS2Rect(window,(RECT *)pClip, (PRECTLOS2)&clipRect);
1450	pClipRect = &clipRect;
1451
1452	//Clip rectangle relative to client area
1453	WinIntersectRect ((HAB) 0, pClipRect, pClipRect, &clientRect);
1454	}
1455
1456	dy = revertDy (window, dy);
1457
1458	rc = WinScrollWindow(window->getOS2WindowHandle(), dx, dy,
1459	pScrollRect, pClipRect, NULLHANDLE,
1460	NULL, scrollFlags);
1461
1462	return (rc != RGN_ERROR);
1463	}
1464	#else
1465	BOOL WIN32API ScrollWindow(HWND hwnd, int dx, int dy, const RECT pScroll, const RECT pClip)
1466	{
1467	Win32BaseWindow *window;
1468	APIRET rc;
1469	RECTL clientRect;
1470	RECTL scrollRect;
1471	RECTL clipRect;
1472	PRECTL pScrollRect = NULL;
1473	PRECTL pClipRect = NULL;
1474	ULONG scrollFlags = SW_INVALIDATERGN;
1475
1476	window = Win32BaseWindow::GetWindowFromHandle(hwnd);
1477	if(!window) {
1478	dprintf(("ScrollWindow, window %x not found", hwnd));
1479	return 0;
1480	}
1481	dprintf(("ScrollWindow %x %d %d %x %x", hwnd, dx, dy, pScroll, pClip));
1482	mapWin32ToOS2Rect(window,window->getClientRectPtr(),(PRECTLOS2)&clientRect);
1483	#if 0
1484	//Rectangle could be relative to parent window, so fix this
1485	if(clientRect.yBottom != 0) {
1486	clientRect.yTop -= clientRect.yBottom;
1487	clientRect.yBottom = 0;
1488	}
1489	if(clientRect.xLeft != 0) {
1490	clientRect.xRight -= clientRect.xLeft;
1491	clientRect.xLeft = 0;
1492	}
1493	#endif
1494	if(pScroll) {
1495	mapWin32ToOS2Rect(window,(RECT *)pScroll, (PRECTLOS2)&scrollRect);
1496	pScrollRect = &scrollRect;
1497
1498	//Scroll rectangle relative to client area
1499	pScrollRect->xLeft += clientRect.xLeft;
1500	pScrollRect->xRight += clientRect.xLeft;
1501	pScrollRect->yTop += clientRect.yBottom;
1502	pScrollRect->yBottom += clientRect.yBottom;
1503	WinIntersectRect ((HAB) 0, pScrollRect, pScrollRect, &clientRect);
1504	}
1505	else scrollFlags \|= SW_SCROLLCHILDREN;
1506
1507	if(pClip) {
1508	mapWin32ToOS2Rect(window,(RECT *)pClip, (PRECTLOS2)&clipRect);
1509	pClipRect = &clipRect;
1510
1511	//Clip rectangle relative to client area
1512	pClipRect->xLeft += clientRect.xLeft;
1513	pClipRect->xRight += clientRect.xLeft;
1514	pClipRect->yTop += clientRect.yBottom;
1515	pClipRect->yBottom += clientRect.yBottom;
1516	WinIntersectRect ((HAB) 0, pClipRect, pClipRect, &clientRect);
1517	}
1518
1519	dy = revertDy (window, dy);
1520
1521	rc = WinScrollWindow(window->getOS2WindowHandle(), dx, dy,
1522	pScrollRect, pClipRect, NULLHANDLE,
1523	NULL, scrollFlags);
1524
1525	return (rc != RGN_ERROR);
1526	}
1527	#endif
1528	//******************************************************************************
1529	//******************************************************************************
1530	INT WIN32API ScrollWindowEx(HWND hwnd, int dx, int dy, const RECT pScroll, const RECT pClip,
1531	HRGN hrgnUpdate, PRECT pRectUpdate, UINT scrollFlag)
1532	{
1533	Win32BaseWindow *window;
1534	APIRET rc;
1535	RECTL scrollRect;
1536	RECTL clipRect;
1537	ULONG scrollFlags = 0;
1538	int regionType = ERROR_W;
1539
1540	window = Win32BaseWindow::GetWindowFromHandle(hwnd);
1541	if(!window) {
1542	dprintf(("ScrollWindowEx, window %x not found", hwnd));
1543	return 0;
1544	}
1545
1546	dprintf(("ScrollWindowEx %x %d %d %x %x", hwnd, dx, dy, pScroll, pClip));
1547
1548	dy = revertDy (window, dy);
1549
1550	if (scrollFlag & SW_INVALIDATE_W) scrollFlags \|= SW_INVALIDATERGN;
1551	if (scrollFlag & SW_SCROLLCHILDREN_W) scrollFlags \|= SW_SCROLLCHILDREN;
1552
1553	if(pScroll) mapWin32ToOS2Rect(window,(RECT *)pScroll, (PRECTLOS2)&scrollRect);
1554	if(pClip) mapWin32ToOS2Rect(window,(RECT *)pClip, (PRECTLOS2)&clipRect);
1555
1556	RECTL rectlUpdate;
1557	HRGN hrgn;
1558
1559	if (scrollFlag & SW_SMOOTHSCROLL_W)
1560	{
1561	INT time = (scrollFlag >> 16) & 0xFFFF;
1562
1563	//CB: todo, scroll in several steps
1564	// is time in ms? time <-> iteration count?
1565	}
1566
1567	LONG lComplexity = WinScrollWindow (window->getOS2WindowHandle(), dx, dy,
1568	(pScroll) ? &scrollRect : NULL,
1569	(pClip) ? &clipRect : NULL,
1570	hrgn, &rectlUpdate, scrollFlags);
1571	if (lComplexity == RGN_ERROR)
1572	{
1573	return ERROR_W;
1574	}
1575
1576	RECT winRectUpdate;
1577	LONG height = window->getClientHeight();
1578
1579	winRectUpdate.left = rectlUpdate.xLeft;
1580	winRectUpdate.right = rectlUpdate.xRight;
1581	winRectUpdate.top = height - rectlUpdate.yTop;
1582	winRectUpdate.bottom = height - rectlUpdate.yBottom;
1583
1584	if (pRectUpdate)
1585	*pRectUpdate = winRectUpdate;
1586
1587	if (hrgnUpdate)
1588	rc = setPMRgnIntoWinRgn (hrgn, hrgnUpdate, height);
1589
1590	//SvL: WinScrollWindow already invalidates the area; no need to do it again
1591	//(call to invalidateRect was wrong; has to include erase flag)
1592	#if 0
1593	if ((scrollFlag & SW_INVALIDATE_W) &&
1594	((lComplexity == RGN_RECT) \|\| (lComplexity == RGN_COMPLEX)))
1595	{
1596	rc = InvalidateRect (hwnd, &winRectUpdate, (scrollFlag & SW_ERASE_W) ? 1 : 0);
1597	if (rc == FALSE)
1598	{
1599	return (0);
1600	}
1601	}
1602	#endif
1603
1604	switch (lComplexity)
1605	{
1606	case RGN_NULL:
1607	regionType = NULLREGION_W;
1608	break;
1609	case RGN_RECT:
1610	regionType = SIMPLEREGION_W;
1611	break;
1612	case RGN_COMPLEX:
1613	regionType = COMPLEXREGION_W;
1614	break;
1615	default:
1616	regionType = ERROR_W;
1617	break;
1618	}
1619
1620	return (regionType);
1621	}
1622	//******************************************************************************
1623	//******************************************************************************
1624	HWND WIN32API WindowFromDC(HDC hdc)
1625	{
1626	pDCData pHps = (pDCData)GpiQueryDCData( (HPS)hdc );
1627
1628	dprintf2(("USER32: WindowFromDC %x", hdc));
1629	if ( pHps )
1630	return Win32BaseWindow::OS2ToWin32Handle(pHps->hwnd);
1631	else
1632	return 0;
1633	}
1634	//******************************************************************************
1635	//******************************************************************************
1636	INT WIN32API ExcludeUpdateRgn( HDC hDC, HWND hWnd)
1637	{
1638	dprintf(("USER32: ExcludeUpdateRgn\n"));
1639	hWnd = Win32BaseWindow::Win32ToOS2Handle(hWnd);
1640
1641	return O32_ExcludeUpdateRgn(hDC,hWnd);
1642	}
1643	//******************************************************************************
1644	//******************************************************************************
1645	BOOL WIN32API ValidateRect( HWND hwnd, const RECT * lprc)
1646	{
1647	if(lprc) {
1648	dprintf(("USER32: ValidateRect %x (%d,%d)(%d,%d)", hwnd, lprc->left, lprc->top, lprc->right, lprc->bottom));
1649	}
1650	else dprintf(("USER32: ValidateRect %x", hwnd));
1651
1652	return RedrawWindow( hwnd, lprc, 0, RDW_VALIDATE_W \| RDW_NOCHILDREN_W \| (hwnd==0 ? RDW_UPDATENOW_W : 0));
1653	}
1654	//******************************************************************************
1655	//******************************************************************************
1656	BOOL WIN32API ValidateRgn( HWND hwnd, HRGN hrgn)
1657	{
1658	dprintf(("USER32: ValidateRgn %x %x", hwnd, hrgn));
1659	return RedrawWindow( hwnd, NULL, hrgn, RDW_VALIDATE_W \| RDW_NOCHILDREN_W \| (hwnd==0 ? RDW_UPDATENOW_W : 0));
1660	}
1661	/*****************************************************************************
1662	* Name : int WIN32API GetWindowRgn
1663	* Purpose : The GetWindowRgn function obtains a copy of the window region of a window.
1664	* Parameters: HWND hWnd handle to window whose window region is to be obtained
1665	* HRGN hRgn handle to region that receives a copy of the window region
1666	* Variables :
1667	* Result : NULLREGION, SIMPLEREGION, COMPLEXREGION, ERROR
1668	* Remark :
1669	* Status : UNTESTED STUB
1670	*
1671	* Author : Patrick Haller [Thu, 1998/02/26 11:55]
1672	*****************************************************************************/
1673
1674	int WIN32API GetWindowRgn(HWND hwnd, HRGN hRgn)
1675	{
1676	Win32BaseWindow *window;
1677	HRGN hWindowRegion;
1678
1679	window = Win32BaseWindow::GetWindowFromHandle(hwnd);
1680	if(!window) {
1681	dprintf(("SetWindowContextHelpId, window %x not found", hwnd));
1682	SetLastError(ERROR_INVALID_WINDOW_HANDLE_W);
1683	return 0;
1684	}
1685	dprintf(("USER32:GetWindowRgn (%x,%x)", hwnd, hRgn));
1686	hWindowRegion = window->GetWindowRegion();
1687
1688	return O32_CombineRgn(hRgn, hWindowRegion, 0, RGN_COPY_W);
1689	}
1690	/*****************************************************************************
1691	* Name : int WIN32API SetWindowRgn
1692	* Purpose : The SetWindowRgn function sets the window region of a window. The
1693	* window region determines the area within the window where the
1694	* operating system permits drawing. The operating system does not
1695	* display any portion of a window that lies outside of the window region
1696	* When this function is called, the system sends the WM_WINDOWPOSCHANGING and
1697	* WM_WINDOWPOSCHANGED messages to the window.
1698	*
1699	* Parameters: HWND hWnd handle to window whose window region is to be set
1700	* HRGN hRgn handle to region
1701	* BOOL bRedraw window redraw flag
1702	* Variables :
1703	* Result : If the function succeeds, the return value is non-zero.
1704	* If the function fails, the return value is zero.
1705	* Remark :
1706	* Status : UNTESTED STUB
1707	*
1708	* Author : Patrick Haller [Thu, 1998/02/26 11:55]
1709	*****************************************************************************/
1710
1711	int WIN32API SetWindowRgn(HWND hwnd,
1712	HRGN hRgn,
1713	BOOL bRedraw)
1714	{
1715	Win32BaseWindow *window;
1716	HRGN hWindowRegion;
1717
1718	window = Win32BaseWindow::GetWindowFromHandle(hwnd);
1719	if(!window) {
1720	dprintf(("SetWindowContextHelpId, window %x not found", hwnd));
1721	SetLastError(ERROR_INVALID_WINDOW_HANDLE_W);
1722	return 0;
1723	}
1724	dprintf(("USER32:SetWindowRgn (%x,%x,%d)", hwnd, hRgn, bRedraw));
1725	if(window->GetWindowRegion()) {
1726	O32_DeleteObject(window->GetWindowRegion());
1727	}
1728	window->SetWindowRegion(hRgn);
1729	if(bRedraw) {
1730	RedrawWindow(hwnd, 0, 0, RDW_UPDATENOW_W);
1731	}
1732	//TODO:
1733	// When this function is called, the system sends the WM_WINDOWPOSCHANGING and
1734	// WM_WINDOWPOSCHANGED messages to the window.
1735	return 1;
1736	}
1737	//******************************************************************************
1738	//******************************************************************************

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