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source: trunk/src/user32/dc.cpp@ 2686

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Last change on this file since 2686 was 2686, checked in by sandervl, 26 years ago
Turn of WM_BACKERASEBKGND when calling RedrawWindow to invalidate a window
File size: 52.4 KB

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1	/* $Id: dc.cpp,v 1.45 2000-02-08 22:28:03 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 <winconst.h>
26	#include <misc.h>
27	#include <win32wbase.h>
28	#include <math.h>
29	#include <limits.h>
30	#include "oslibwin.h"
31	#include "oslibmsg.h"
32	#include <dcdata.h>
33
34	#define INCLUDED_BY_DC
35	#include "dc.h"
36
37	#undef SEVERITY_ERROR
38	#include <winerror.h>
39
40	#ifndef DEVESC_SETPS
41	#define DEVESC_SETPS 49149L
42	#endif
43
44	#define FLOAT_TO_FIXED(x) ((FIXED) ((x) * 65536.0))
45	#define MICRO_HPS_TO_HDC(x) ((x) & 0xFFFFFFFE)
46
47	#define PMRECT_FROM_WINRECT( pmRect, winRect ) \
48	{ \
49	(pmRect).xLeft = (winRect).left; \
50	(pmRect).yBottom = (winRect).bottom; \
51	(pmRect).xRight = (winRect).right; \
52	(pmRect).yTop = (winRect).top; \
53	}
54
55	#define WINRECT_FROM_PMRECT( winRect, pmRect ) \
56	{ \
57	(winRect).left = (pmRect).xLeft; \
58	(winRect).top = (pmRect).yTop; \
59	(winRect).right = (pmRect).xRight; \
60	(winRect).bottom = (pmRect).yBottom; \
61	}
62
63	#define MEM_HPS_MAX 768
64
65	const XFORM_W XFORMIdentity = { 1.0, 0.0, 0.0, 1.0, 0, 0 };
66	const MATRIXLF matrixlfIdentity = { 0x10000, 0, 0, 0, 0x10000, 0, 0, 0, 0};
67
68	BOOL setPageXForm(Win32BaseWindow *wnd, pDCData pHps);
69	BOOL changePageXForm(Win32BaseWindow *wnd, pDCData pHps, PPOINTL pValue, int x, int y, PPOINTL pPrev);
70	LONG clientHeight(Win32BaseWindow *wnd, HWND hwnd, pDCData pHps);
71
72	HWND WIN32API GetDesktopWindow(void);
73	INT WIN32API GetUpdateRgn(HWND, HRGN, BOOL);
74	BOOL WIN32API HideCaret(HWND hwnd);
75	BOOL WIN32API ShowCaret(HWND hwnd);
76	HDC WIN32API GetDCEx(HWND hwnd, HRGN hrgn, ULONG flags);
77	int WIN32API ReleaseDC(HWND hwnd, HDC hdc);
78	BOOL WIN32API PostMessageA(HWND hwnd, UINT msg, WPARAM wParam, LPARAM lParam);
79	int WIN32API ExtSelectClipRgn(HDC hdc, HRGN hrgn, int fnMode);
80
81	//******************************************************************************
82	//******************************************************************************
83	void TestWideLine (pDCData pHps)
84	{
85	const LOGPEN_W *pLogPen;
86
87	pHps->isWideLine = FALSE;
88	pLogPen = pHps->penIsExtPen ?
89	&(pHps->lastPenObject->ExtPen.logpen) :
90	&(pHps->lastPenObject->Pen.logpen);
91
92	if (((pLogPen->lopnStyle & PS_STYLE_MASK_W) != PS_NULL_W) &&
93	(pLogPen->lopnWidth.x > 0))
94	{
95	POINTL aptl[2] = { 0, 0, pLogPen->lopnWidth.x, pLogPen->lopnWidth.x };
96
97	GpiConvert(pHps->hps, CVTC_WORLD, CVTC_DEVICE, 2, aptl);
98
99	ULONG dx = abs(aptl[0].x - aptl[1].x);
100	ULONG dy = abs(aptl[0].y - aptl[1].y);
101
102	pHps->isWideLine = (dx > 1) \|\| (dy > 1);
103	}
104	}
105	//******************************************************************************
106	//******************************************************************************
107	void Calculate1PixelDelta(pDCData pHps)
108	{
109	POINTL aptl[2] = {0, 0, 1, 1};
110
111	GpiConvert(pHps->hps, CVTC_DEVICE, CVTC_WORLD, 2, aptl);
112	pHps->worldYDeltaFor1Pixel = (int)(aptl[1].y - aptl[0].y);
113	pHps->worldXDeltaFor1Pixel = (int)(aptl[1].x - aptl[0].x); // 171182
114	}
115	//******************************************************************************
116	//******************************************************************************
117	int setMapMode(Win32BaseWindow *wnd, pDCData pHps, int mode)
118	{
119	int prevMode = 0;
120	ULONG flOptions;
121
122	switch (mode)
123	{
124	case MM_HIENGLISH_W : flOptions = PU_HIENGLISH; break;
125	case MM_LOENGLISH_W : flOptions = PU_LOENGLISH; break;
126	case MM_HIMETRIC_W : flOptions = PU_HIMETRIC ; break;
127	case MM_LOMETRIC_W : flOptions = PU_LOMETRIC ; break;
128	case MM_TEXT_W : flOptions = PU_PELS ; break;
129	case MM_TWIPS_W : flOptions = PU_TWIPS ; break;
130	case MM_ANISOTROPIC_W: flOptions = PU_PELS ; break;
131	case MM_ISOTROPIC_W : flOptions = PU_LOMETRIC ; break;
132	default:
133	O32_SetLastError (ERROR_INVALID_PARAMETER);
134	return FALSE;
135	}
136
137	prevMode = pHps->MapMode; /* store previous mode */
138	pHps->MapMode = mode;
139
140	if (mode == MM_TEXT_W)
141	{
142	pHps->viewportXExt =
143	pHps->viewportYExt = 1.0;
144	pHps->windowExt.cx =
145	pHps->windowExt.cy = 1;
146	}
147	else if (mode != MM_ANISOTROPIC_W)
148	{
149	RECTL rectl;
150	SIZEL sizel;
151	ULONG data[3];
152
153	data[0] = flOptions;
154	data[1] = data[2] = 0;
155
156	if (DevEscape(pHps->hdc ? pHps->hdc : pHps->hps, DEVESC_SETPS, 12, (PBYTE)data, 0, 0) == DEVESC_ERROR)
157	{
158	O32_SetLastError (ERROR_INVALID_PARAMETER);
159	return 0;
160	}
161
162	GpiQueryPageViewport(pHps->hps, &rectl);
163	pHps->viewportXExt = (double)rectl.xRight;
164	pHps->viewportYExt = -(double)rectl.yTop;
165
166	GreGetPageUnits(pHps->hdc? pHps->hdc : pHps->hps, &sizel);
167	pHps->windowExt.cx = sizel.cx;
168	pHps->windowExt.cy = sizel.cy;
169
170	data[0] = PU_PELS;
171	DevEscape(pHps->hdc ? pHps->hdc : pHps->hps, DEVESC_SETPS, 12, (PBYTE)data, 0, 0);
172	}
173
174	if (((prevMode != MM_ISOTROPIC_W) && (prevMode != MM_ANISOTROPIC_W)) &&
175	((mode == MM_ISOTROPIC_W) \|\| (mode == MM_ANISOTROPIC_W)))
176	{
177	if (pHps->lWndXExtSave && pHps->lWndYExtSave)
178	{
179	changePageXForm (wnd, pHps, (PPOINTL)&pHps->windowExt,
180	pHps->lWndXExtSave, pHps->lWndYExtSave, NULL );
181	pHps->lWndXExtSave = pHps->lWndYExtSave = 0;
182	}
183	if (pHps->lVwpXExtSave && pHps->lVwpYExtSave)
184	{
185	changePageXForm (wnd, pHps, NULL,
186	pHps->lVwpXExtSave, pHps->lVwpYExtSave, NULL );
187	pHps->lVwpXExtSave = pHps->lVwpYExtSave = 0;
188	}
189	}
190
191	setPageXForm(wnd, pHps);
192
193	return prevMode;
194	}
195	//******************************************************************************
196	//******************************************************************************
197	BOOL setPageXForm(Win32BaseWindow *wnd, pDCData pHps)
198	{
199	MATRIXLF mlf;
200	BOOL rc = TRUE;
201
202	pHps->height = clientHeight(wnd, 0, pHps) - 1;
203
204	double xScale = pHps->viewportXExt / (double)pHps->windowExt.cx;
205	double yScale = pHps->viewportYExt / (double)pHps->windowExt.cy;
206
207	mlf.fxM11 = FLOAT_TO_FIXED(xScale);
208	mlf.fxM12 = 0;
209	mlf.lM13 = 0;
210	mlf.fxM21 = 0;
211	mlf.fxM22 = FLOAT_TO_FIXED(yScale);
212	mlf.lM23 = 0;
213	mlf.lM31 = pHps->viewportOrg.x - (LONG)(pHps->windowOrg.x * xScale);
214	mlf.lM32 = pHps->viewportOrg.y - (LONG)(pHps->windowOrg.y * yScale);
215
216	pHps->isLeftLeft = mlf.fxM11 >= 0;
217	pHps->isTopTop = mlf.fxM22 >= 0;
218
219	BOOL bEnableYInversion = FALSE;
220	if ((mlf.fxM22 > 0) \|\|
221	((pHps->graphicsMode == GM_ADVANCED_W) &&
222	((pHps->MapMode == MM_ANISOTROPIC_W) \|\|
223	(pHps->MapMode == MM_ISOTROPIC_W))))
224	{
225	bEnableYInversion = TRUE;
226	}
227	else
228	{
229	bEnableYInversion = FALSE;
230	mlf.lM32 = pHps->HPStoHDCInversionHeight + pHps->height - mlf.lM32;
231	mlf.fxM22 = -mlf.fxM22;
232	}
233
234	if (!pHps->isMetaPS)
235	// if ((!pHps->isMetaPS) \|\|
236	// (pHps->pMetaFileObject && pHps->pMetaFileObject->isEnhanced()))
237	rc = GpiSetDefaultViewMatrix(pHps->hps, 8, &mlf, TRANSFORM_REPLACE);
238
239	if (bEnableYInversion)
240	GpiEnableYInversion(pHps->hps, pHps->height + pHps->HPStoHDCInversionHeight);
241	else
242	GpiEnableYInversion(pHps->hps, 0);
243
244	TestWideLine(pHps);
245	Calculate1PixelDelta(pHps);
246	return rc;
247	}
248	//******************************************************************************
249	//******************************************************************************
250	BOOL changePageXForm(Win32BaseWindow *wnd, pDCData pHps, PPOINTL pValue, int x, int y, PPOINTL pPrev)
251	{
252	BOOL result = FALSE;
253
254	if (pValue)
255	{
256	if (pPrev)
257	pPrev = pValue;
258
259	if ((pValue->x == x) && (pValue->y == y)) {
260	return TRUE;
261	}
262	pValue->x = x;
263	pValue->y = y;
264	}
265	else
266	{
267	if (pPrev)
268	{
269	pPrev->x = (int)pHps->viewportXExt;
270	pPrev->y = (int)pHps->viewportYExt;
271	}
272	pHps->viewportXExt = (double)x;
273	pHps->viewportYExt = (double)y;
274	}
275
276	if (pHps->MapMode == MM_ISOTROPIC_W)
277	{
278	double xExt = fabs(pHps->viewportXExt);
279	double yExt = fabs(pHps->viewportYExt);
280	double sf = fabs((double)pHps->windowExt.cx / pHps->windowExt.cy);
281
282	if (xExt > (yExt * sf))
283	{
284	xExt = yExt * sf;
285
286	if ((double)LONG_MAX <= xExt) return (result);
287
288	if (pHps->viewportXExt < 0.0)
289	pHps->viewportXExt = -xExt;
290	else
291	pHps->viewportXExt = xExt;
292	}
293	else
294	{
295	yExt = xExt / sf;
296
297	if ((double)LONG_MAX <= yExt) return (result);
298
299	if (pHps->viewportYExt < 0.0)
300	pHps->viewportYExt = -yExt;
301	else
302	pHps->viewportYExt = yExt;
303	}
304	}
305	result = setPageXForm(wnd, pHps);
306
307	return (result);
308	}
309	//******************************************************************************
310	//******************************************************************************
311	LONG clientHeight(Win32BaseWindow *wnd, HWND hwnd, pDCData pHps)
312	{
313	if ((hwnd == 0) && (pHps != 0))
314	hwnd = pHps->hwnd;
315
316	if ((hwnd != 0) \|\| (pHps == 0))
317	{
318	if (wnd)
319	return (wnd->getClientHeight());
320	else
321	return OSLibQueryScreenHeight();
322	}
323	else if (pHps->bitmapHandle)
324	{
325	return pHps->bitmapHeight;
326	}
327	else if (pHps->isMetaPS)
328	{
329	return 0;
330	}
331	else if (pHps->isPrinter)
332	{
333	return pHps->printPageHeight;
334	}
335	else
336	{
337	return MEM_HPS_MAX;
338	}
339	}
340	//******************************************************************************
341	//******************************************************************************
342	BOOL isYup (pDCData pHps)
343	{
344	if (((pHps->windowExt.cy < 0) && (pHps->viewportYExt > 0.0)) \|\|
345	((pHps->windowExt.cy > 0) && (pHps->viewportYExt < 0.0)))
346	{
347	if ((pHps->graphicsMode == GM_COMPATIBLE_W) \|\|
348	((pHps->graphicsMode == GM_ADVANCED_W) && (pHps->xform.eM22 >= 0.0)))
349	return TRUE;
350	}
351	else
352	{
353	if ((pHps->graphicsMode == GM_ADVANCED_W) && (pHps->xform.eM22 < 0.0))
354	return TRUE;
355	}
356	return FALSE;
357	}
358	//******************************************************************************
359	//******************************************************************************
360	INT revertDy (Win32BaseWindow *wnd, INT dy)
361	{
362	//SvL: Hack for memory.exe (doesn't get repainted properly otherwise)
363	// if (wnd->isOwnDC() && wnd->getOwnDC())
364	if (wnd->isOwnDC())
365	{
366	pDCData pHps = (pDCData)GpiQueryDCData (wnd->getOwnDC());
367
368	if (pHps != NULLHANDLE)
369	if (!isYup (pHps))
370	dy = -dy;
371	}
372	else
373	{
374	dy = -dy;
375	}
376	return (dy);
377	}
378	//******************************************************************************
379	//******************************************************************************
380	HDC sendEraseBkgnd (Win32BaseWindow *wnd)
381	{
382	BOOL erased;
383	HWND hwnd;
384	HDC hdc;
385	HPS hps;
386	HRGN hrgnUpdate, hrgnOld, hrgnClip, hrgnCombined;
387	RECTL rectl = { 1, 1, 2, 2 };
388
389	hwnd = wnd->getOS2WindowHandle();
390	hps = WinGetPS(hwnd);
391
392	hrgnUpdate = GpiCreateRegion (hps, 1, &rectl);
393	WinQueryUpdateRegion (hwnd, hrgnUpdate);
394	hrgnClip = GpiQueryClipRegion (hps);
395
396	if (hrgnClip == NULLHANDLE)
397	{
398	GpiSetClipRegion (hps, hrgnUpdate, &hrgnOld);
399	}
400	else
401	{
402	hrgnCombined = GpiCreateRegion (hps, 1, &rectl);
403	GpiCombineRegion (hps, hrgnCombined, hrgnClip, hrgnUpdate, CRGN_AND);
404	GpiSetClipRegion (hps, hrgnCombined, &hrgnOld);
405	GpiDestroyRegion (hps, hrgnUpdate);
406	GpiDestroyRegion (hps, hrgnClip);
407	}
408	if (hrgnOld != NULLHANDLE)
409	GpiDestroyRegion (hps, hrgnOld);
410
411	hdc = HPSToHDC (hwnd, hps, NULL, NULL);
412
413	erased = wnd->MsgEraseBackGround (hdc);
414
415	DeleteHDC (hdc);
416	WinReleasePS (hps);
417
418	return erased;
419	}
420	//******************************************************************************
421	//******************************************************************************
422	void releaseOwnDC (HDC hps)
423	{
424	pDCData pHps = (pDCData)GpiQueryDCData ((HPS)hps);
425
426	if (pHps) {
427	if (pHps->hrgnHDC)
428	GpiDestroyRegion (pHps->hps, pHps->hrgnHDC);
429
430	GpiSetBitmap (pHps->hps, NULL);
431	O32_DeleteObject (pHps->nullBitmapHandle);
432	GpiDestroyPS(pHps->hps);
433
434	if (pHps->hdc)
435	DevCloseDC(pHps->hdc);
436	}
437	}
438	//******************************************************************************
439	//******************************************************************************
440	#if 1
441	HDC WIN32API BeginPaint (HWND hWnd, PPAINTSTRUCT_W lpps)
442	{
443	HWND hwnd = hWnd ? hWnd : HWND_DESKTOP;
444	pDCData pHps = NULLHANDLE;
445	RECTL rect;
446	HPS hPS_ownDC = NULLHANDLE;
447
448	if ( !lpps )
449	{
450	O32_SetLastError (ERROR_INVALID_PARAMETER);
451	return (HDC)NULLHANDLE;
452	}
453
454	Win32BaseWindow *wnd = Win32BaseWindow::GetWindowFromHandle(hwnd);
455
456	#if 0
457	if ((hwnd != HWND_DESKTOP) && wnd->isOwnDC())
458	{
459	hPS_ownDC = wnd->getOwnDC();
460	//SvL: Hack for memory.exe (doesn't get repainted properly otherwise)
461	if(hPS_ownDC) {
462	pHps = (pDCData)GpiQueryDCData(hPS_ownDC);
463	if (!pHps)
464	{
465	O32_SetLastError (ERROR_INVALID_PARAMETER);
466	return (HDC)NULLHANDLE;
467	}
468	}
469	}
470	#endif
471
472	HWND hwndClient = wnd->getOS2WindowHandle();
473	HPS hps = WinBeginPaint(hwndClient, hPS_ownDC, &rect);
474
475	if (!pHps)
476	{
477	HDC hdc = HPSToHDC (hwndClient, hps, NULL, NULL);
478	pHps = (pDCData)GpiQueryDCData(hps);
479	}
480
481	if (hPS_ownDC == 0)
482	setMapMode (wnd, pHps, MM_TEXT_W);
483	else
484	setPageXForm (wnd, pHps);
485
486	pHps->hdcType = TYPE_3;
487	lpps->hdc = (HDC)hps;
488
489	if(!wnd->isSuppressErase()) {
490	wnd->setSuppressErase(TRUE);
491	wnd->setEraseBkgnd (FALSE, !wnd->MsgEraseBackGround(lpps->hdc));
492	}
493	lpps->fErase = wnd->isPSErase();
494
495	if (!hPS_ownDC)
496	{
497	long height = wnd->getClientHeight();
498	rect.yTop = height - rect.yTop;
499	rect.yBottom = height - rect.yBottom;
500	}
501	else
502	{
503	rect.yTop--;
504	rect.yBottom--;
505	GpiConvert(pHps->hps, CVTC_DEVICE, CVTC_WORLD, 2, (PPOINTL)&rect);
506	}
507
508	WINRECT_FROM_PMRECT(lpps->rcPaint, rect);
509	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));
510
511	O32_SetLastError(0);
512	return (HDC)pHps->hps;
513	}
514
515	BOOL WIN32API EndPaint (HWND hwnd, const PAINTSTRUCT_W *pPaint)
516	{
517	pDCData pHps;
518
519	dprintf (("USER32: EndPaint(%x)", hwnd));
520
521	if (!pPaint \|\| !pPaint->hdc )
522	return TRUE;
523
524	Win32BaseWindow *wnd = Win32BaseWindow::GetWindowFromHandle(hwnd);
525
526	if (!wnd) goto exit;
527
528	//SvL: Hack for memory.exe (doesn't get repainted properly otherwise)
529	pHps = (pDCData)GpiQueryDCData((HPS)pPaint->hdc);
530	if (pHps && (pHps->hdcType == TYPE_3)) {
531	WinEndPaint (pHps->hps);
532	}
533	wnd->setSuppressErase(FALSE);
534
535	exit:
536	O32_SetLastError(0);
537	return TRUE;
538	}
539	#else
540	HDC WIN32API BeginPaint (HWND hWnd, PPAINTSTRUCT_W lpps)
541	{
542	HWND hwnd = hWnd ? hWnd : HWND_DESKTOP;
543	pDCData pHps = NULLHANDLE;
544	HPS hPS_ownDC = NULLHANDLE, hpsPaint = 0;
545	RECTL rectl = {0, 0, 1, 1};
546	HRGN hrgnUpdate, hrgnOld;
547	LONG lComplexity;
548
549	Win32BaseWindow *wnd = Win32BaseWindow::GetWindowFromHandle(hwnd);
550	if(!lpps \|\| !wnd) {
551	dprintf (("USER32: BeginPaint %x invalid parameter %x", hWnd, lpps));
552	O32_SetLastError (ERROR_INVALID_PARAMETER);
553	return (HDC)0;
554	}
555	HWND hwndClient = wnd->getOS2WindowHandle();
556
557	if(hwnd != HWND_DESKTOP && wnd->isOwnDC())
558	{
559	hPS_ownDC = wnd->getOwnDC();
560	//SvL: Hack for memory.exe (doesn't get repainted properly otherwise)
561	if(hPS_ownDC) {
562	pHps = (pDCData)GpiQueryDCData(hPS_ownDC);
563	if (!pHps)
564	{
565	dprintf (("USER32: BeginPaint %x invalid parameter %x", hWnd, lpps));
566	O32_SetLastError (ERROR_INVALID_PARAMETER);
567	return (HDC)NULLHANDLE;
568	}
569	hpsPaint = hPS_ownDC;
570	}
571	}
572	if(!hpsPaint) {
573	hpsPaint = GetDCEx(hwnd, 0, DCX_CACHE_W);
574	pHps = (pDCData)GpiQueryDCData(hpsPaint);
575	if (!pHps)
576	{
577	dprintf (("USER32: BeginPaint %x invalid parameter %x", hWnd, lpps));
578	O32_SetLastError (ERROR_INVALID_PARAMETER);
579	return (HDC)NULLHANDLE;
580	}
581	}
582
583	#if 0
584	HPS hps = WinBeginPaint(hwndClient, hPS_ownDC, &rect);
585
586	if (!pHps)
587	{
588	HDC hdc = HPSToHDC (hwndClient, hps, NULL, NULL);
589	pHps = (pDCData)GpiQueryDCData(hps);
590	}
591	#endif
592
593	if (hPS_ownDC == 0)
594	setMapMode (wnd, pHps, MM_TEXT_W);
595	else
596	setPageXForm (wnd, pHps);
597
598	pHps->hdcType = TYPE_3;
599
600	hrgnUpdate = GpiCreateRegion(pHps->hps, 1, &rectl);
601	lComplexity = WinQueryUpdateRegion(hwndClient, hrgnUpdate);
602	if(lComplexity == RGN_ERROR) {
603	dprintf (("USER32: BeginPaint update region error!!"));
604	O32_SetLastError (ERROR_INVALID_PARAMETER);
605	return 0;
606	}
607	WinQueryUpdateRect(hwndClient, &rectl);
608
609	if(lComplexity != RGN_NULL) {
610	WinValidateRegion(hwndClient, hrgnUpdate, FALSE);
611
612	GpiSetClipRegion(pHps->hps, hrgnUpdate, &hrgnOld);
613	//save old clip region (restored for CS_OWNDC windows in EndPaint)
614	wnd->SetClipRegion(hrgnOld);
615	}
616
617	if(!wnd->isSuppressErase() && lComplexity != RGN_NULL) {
618	wnd->setSuppressErase(TRUE);
619	wnd->setEraseBkgnd (FALSE, !wnd->MsgEraseBackGround(pHps->hps));
620	}
621	lpps->fErase = wnd->isPSErase(); //correct ??
622	lpps->hdc = (HDC)pHps->hps;
623
624	if(lComplexity != RGN_NULL) {
625	long height = wnd->getClientHeight();
626	lpps->rcPaint.top = height - rectl.yTop;
627	lpps->rcPaint.left = rectl.xLeft;
628	lpps->rcPaint.bottom = height - rectl.yBottom;
629	lpps->rcPaint.right = rectl.xRight;
630	}
631	else {
632	lpps->rcPaint.bottom = lpps->rcPaint.top = 0;
633	lpps->rcPaint.right = lpps->rcPaint.left = 0;
634	}
635
636	HideCaret(hwnd);
637
638	O32_SetLastError(0);
639	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));
640	return (HDC)pHps->hps;
641	}
642	//******************************************************************************
643	//******************************************************************************
644	BOOL WIN32API EndPaint (HWND hWnd, const PAINTSTRUCT_W *pPaint)
645	{
646	HWND hwnd = hWnd ? hWnd : HWND_DESKTOP;
647	HRGN hrgnOld;
648	pDCData pHps;
649
650	dprintf (("USER32: EndPaint(%x)", hwnd));
651
652	if (!pPaint \|\| !pPaint->hdc )
653	return TRUE;
654
655	Win32BaseWindow *wnd = Win32BaseWindow::GetWindowFromHandle(hwnd);
656
657	if (!wnd) goto exit;
658
659	pHps = (pDCData)GpiQueryDCData((HPS)pPaint->hdc);
660	if (pHps && (pHps->hdcType == TYPE_3))
661	{
662	GpiSetClipRegion(pHps->hps, NULLHANDLE, &hrgnOld);
663	if(hrgnOld) {
664	GpiDestroyRegion(pHps->hps, hrgnOld);
665	}
666	if(hwnd == HWND_DESKTOP \|\| !wnd->isOwnDC()) {
667	ReleaseDC(hwnd, pPaint->hdc);
668	}
669	else
670	if(wnd->GetClipRegion()) {
671	//TODO: What else do we need to restore here???
672	GpiSetClipRegion(pHps->hps, wnd->GetClipRegion(), &hrgnOld);
673	wnd->SetClipRegion(0);
674	pHps->hdcType = TYPE_1;
675	}
676
677	//// WinEndPaint (pHps->hps);
678	}
679	else {
680	dprintf(("EndPaint: wrong hdc %x!!", pPaint->hdc));
681	}
682	wnd->setSuppressErase(FALSE);
683	ShowCaret(hwnd);
684
685	exit:
686	O32_SetLastError(0);
687	return TRUE;
688	}
689	#endif
690	//******************************************************************************
691	//******************************************************************************
692	BOOL WIN32API GetUpdateRect (HWND hwnd, LPRECT pRect, BOOL erase)
693	{
694	if (!hwnd)
695	{
696	O32_SetLastError (ERROR_INVALID_HANDLE);
697	return FALSE;
698	}
699
700	RECTL rectl;
701	Win32BaseWindow *wnd = Win32BaseWindow::GetWindowFromHandle(hwnd);
702
703	if (!wnd)
704	{
705	O32_SetLastError (ERROR_INVALID_HANDLE);
706	return FALSE;
707	}
708
709	BOOL updateRegionExists = WinQueryUpdateRect (wnd->getOS2WindowHandle(), pRect ? &rectl : NULL);
710	if (!pRect) {
711	return (updateRegionExists);
712	}
713
714	if (updateRegionExists)
715	{
716	//CB: for PM empty rect is valid
717	if ((rectl.xLeft == rectl.xRight) \|\| (rectl.yTop == rectl.yBottom)) {
718	if(pRect) {
719	pRect->left = pRect->top = pRect->right = pRect->bottom = 0;
720	}
721	return FALSE;
722	}
723	#if 0
724	//SvL: Hack for memory.exe (doesn't get repainted properly otherwise)
725	// if (wnd->isOwnDC() && wnd->getOwnDC())
726	if (wnd->isOwnDC())
727	{
728	pDCData pHps = NULL;
729	pHps = (pDCData)GpiQueryDCData(wnd->getOwnDC());
730	if (!pHps)
731	{
732	O32_SetLastError (ERROR_INVALID_HANDLE);
733	return FALSE;
734	}
735	GpiConvert (pHps->hps, CVTC_DEVICE, CVTC_WORLD, 2, (PPOINTL)&rectl);
736	}
737	else
738	{
739	#endif
740	long height = wnd->getClientHeight();
741	rectl.yTop = height - rectl.yTop;
742	rectl.yBottom = height - rectl.yBottom;
743	////////// }
744
745	if (pRect)
746	WINRECT_FROM_PMRECT (*pRect, rectl);
747
748	if (erase)
749	sendEraseBkgnd (wnd);
750	}
751	else
752	{
753	if(pRect) {
754	pRect->left = pRect->top = pRect->right = pRect->bottom = 0;
755	}
756	}
757
758	return updateRegionExists;
759	}
760	//******************************************************************************
761	//functions for WM_NCPAINT
762	//******************************************************************************
763	INT SYSTEM GetOS2UpdateRgn(HWND hwnd,HRGN hrgn)
764	{
765	return O32_GetUpdateRgn(hwnd,hrgn,FALSE);
766	}
767	//******************************************************************************
768	//******************************************************************************
769	BOOL SYSTEM GetOS2UpdateRect(HWND hwnd,LPRECT pRect)
770	{
771	RECTL rectl;
772	BOOL updateRegionExists = WinQueryUpdateRect(hwnd,pRect ? &rectl:NULL);
773
774	if (!pRect)
775	return (updateRegionExists);
776
777	if (updateRegionExists)
778	{
779	//CB: for PM empty rect is valid
780	if ((rectl.xLeft == rectl.xRight) \|\| (rectl.yTop == rectl.yBottom)) return FALSE;
781	mapOS2ToWin32Rect(hwnd,(PRECTLOS2)&rectl,pRect);
782	}
783	else
784	pRect->left = pRect->top = pRect->right = pRect->bottom = 0;
785
786	return updateRegionExists;
787	}
788	//******************************************************************************
789	//******************************************************************************
790	int WIN32API GetUpdateRgn (HWND hwnd, HRGN hrgn, BOOL erase)
791	{
792	LONG Complexity;
793
794	Win32BaseWindow *wnd = Win32BaseWindow::GetWindowFromHandle(hwnd);
795
796	if (!wnd)
797	{
798	O32_SetLastError (ERROR_INVALID_HANDLE);
799	return ERROR_W;
800	}
801
802	Complexity = O32_GetUpdateRgn (wnd->getOS2WindowHandle(), hrgn, FALSE);
803	if (erase && (Complexity > NULLREGION_W)) sendEraseBkgnd(wnd);
804
805	return Complexity;
806	}
807	//******************************************************************************
808	// This implementation of GetDCEx supports
809	// DCX_WINDOW
810	// DCX_CACHE
811	// DCX_EXCLUDERGN (complex regions allowed)
812	// DCX_INTERSECTRGN (complex regions allowed)
813	//
814	//TODO: WM_SETREDRAW affects drawingAllowed flag!!
815	//******************************************************************************
816	HDC WIN32API GetDCEx (HWND hwnd, HRGN hrgn, ULONG flags)
817	{
818	Win32BaseWindow *wnd = NULL;
819	HWND hWindow;
820	BOOL success;
821	pDCData pHps = NULL;
822	HPS hps = NULLHANDLE;
823	BOOL drawingAllowed = TRUE;
824	BOOL isWindowOwnDC;
825	BOOL creatingOwnDC = FALSE;
826	PS_Type psType;
827
828	if(hwnd == 0) {
829	dprintf(("error: GetDCEx window %x not found", hwnd));
830	O32_SetLastError(ERROR_INVALID_WINDOW_HANDLE);
831	return 0;
832	}
833
834	if (hwnd)
835	{
836	wnd = Win32BaseWindow::GetWindowFromHandle(hwnd);
837	if(wnd == NULL) {
838	dprintf (("ERROR: User32: GetDCEx bad window handle %X!!!!!", hwnd));
839	O32_SetLastError(ERROR_INVALID_WINDOW_HANDLE_W);
840	return 0;
841	}
842	//SvL: Experimental change (doesn't work right)
843	#if 0
844	if(wnd->fHasParentDC() && wnd->getParent()) {
845	wnd = wnd->getParent();
846	}
847	#endif
848	if (flags & DCX_WINDOW_W)
849	hWindow = wnd->getOS2FrameWindowHandle();
850	else
851	hWindow = wnd->getOS2WindowHandle();
852	}
853
854	isWindowOwnDC = (((hWindow == HWND_DESKTOP) ? FALSE : (wnd->isOwnDC()))
855	&& !(flags & DCX_CACHE_W\|DCX_WINDOW_W));
856
857	if (isWindowOwnDC)
858	{
859	hps = wnd->getOwnDC();
860	if (hps)
861	{
862	pDCData pHps = (pDCData)GpiQueryDCData (hps);
863	if (!pHps)
864	goto error;
865
866	setPageXForm (wnd, pHps);
867
868	pHps->hdcType = TYPE_1;
869	dprintf (("User32: GetDCEx hwnd %x (%x %x) -> wnd %x hdc %x", hwnd, hrgn, flags, wnd, hps));
870	return (HDC)hps;
871	}
872	else
873	creatingOwnDC = TRUE;
874	}
875
876	if (isWindowOwnDC)
877	{
878	SIZEL sizel = {0,0};
879	hps = GpiCreatePS (WinQueryAnchorBlock (hWindow),
880	WinOpenWindowDC (hWindow),
881	&sizel, PU_PELS \| GPIT_MICRO \| GPIA_ASSOC );
882	psType = MICRO;
883	}
884	else
885	{
886	if (hWindow == HWND_DESKTOP)
887	hps = WinGetScreenPS (hWindow);
888	else
889	hps = WinGetPS (hWindow);
890
891	psType = MICRO_CACHED;
892	}
893
894	if (!hps)
895	goto error;
896
897	HPSToHDC (hWindow, hps, NULL, NULL);
898	pHps = (pDCData)GpiQueryDCData (hps);
899
900	if ((flags & DCX_EXCLUDERGN_W) \|\| (flags & DCX_INTERSECTRGN_W))
901	{
902	ULONG BytesNeeded;
903	PRGNDATA_W RgnData;
904	PRECT pr;
905	int i;
906	RECTL rectl;
907
908	if (!hrgn)
909	goto error;
910
911	success = TRUE;
912	if (flags & DCX_EXCLUDERGN_W)
913	{
914	#if 0 //CB: todo
915	long height;
916
917	BytesNeeded = GetRegionData (hrgn, 0, NULL);
918	RgnData = (PRGNDATA_W)_alloca (BytesNeeded);
919	if (RgnData == NULL)
920	goto error;
921	GetRegionData (hrgn, BytesNeeded, RgnData);
922
923	i = RgnData->rdh.nCount;
924	pr = (PRECT)(RgnData->Buffer);
925
926	if (flags & DCX_WINDOW_W)
927	height = wnd->getWindowHeight();
928	else height = wnd->getClientHeight();
929
930	for (; (i > 0) && success; i--, pr++) {
931	LONG y = pr->yBottom;
932
933	pr->yBottom = height - pr->yTop;
934	pr->yTop = height - y;
935	success &= GpiExcludeClipRectangle (pHps->hps, pr);
936	}
937	#endif
938	}
939	else //DCX_INTERSECTRGN_W
940	{
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	O32_SetLastError (ERROR_INVALID_PARAMETER);
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	O32_SetLastError (ERROR_NOT_SUPPORTED);
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	O32_SetLastError (ERROR_INVALID_PARAMETER);
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	O32_SetLastError (ERROR_INVALID_PARAMETER);
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	O32_SetLastError (ERROR_INVALID_PARAMETER);
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 (redraw & RDW_UPDATENOW_W) redraw &= ~RDW_ERASENOW_W;
1088
1089	//SvL: Should we check if there is already an invalidated window part before
1090	// deciding to skip erase?
1091	if(redraw & RDW_NOERASE_W \|\| ((redraw & (RDW_INVALIDATE_W\|RDW_ERASE_W\|RDW_ERASENOW_W)) == RDW_INVALIDATE_W)) {
1092	wnd->setSuppressErase(TRUE);
1093	}
1094	else wnd->setSuppressErase(FALSE);
1095
1096	if (hrgn)
1097	{
1098	ULONG BytesNeeded;
1099	PRGNDATA_W RgnData;
1100	PRECTL pr;
1101	int i;
1102	LONG height = wnd ? wnd->getClientHeight() : OSLibQueryScreenHeight();
1103
1104	if (!hrgn)
1105	goto error;
1106
1107	BytesNeeded = O32_GetRegionData (hrgn, 0, NULL);
1108	RgnData = (PRGNDATA_W)_alloca (BytesNeeded);
1109	if (RgnData == NULL)
1110	goto error;
1111	O32_GetRegionData (hrgn, BytesNeeded, RgnData);
1112
1113	pr = (PRECTL)(RgnData->Buffer);
1114	for (i = RgnData->rdh.nCount; i > 0; i--, pr++) {
1115	LONG temp = pr->yTop;
1116	pr->yTop = height - pr->yBottom;
1117	pr->yBottom = height - temp;
1118	}
1119
1120	hpsTemp = WinGetScreenPS (HWND_DESKTOP);
1121	hrgnTemp = GpiCreateRegion (hpsTemp, RgnData->rdh.nCount, (PRECTL)(RgnData->Buffer));
1122	if (!hrgnTemp) goto error;
1123	}
1124	else if (pRect)
1125	{
1126	LONG height = wnd ? wnd->getClientHeight() : OSLibQueryScreenHeight();
1127
1128	PMRECT_FROM_WINRECT (rectl, *pRect);
1129	rectl.yTop = height - rectl.yTop;
1130	rectl.yBottom = height - rectl.yBottom;
1131	}
1132
1133	if (redraw & RDW_INVALIDATE_W)
1134	{
1135	if (redraw & RDW_ERASE_W)
1136	wnd->setEraseBkgnd (TRUE, TRUE);
1137
1138	if (!pRect && !hrgn)
1139	success = WinInvalidateRect (hwnd, NULL, IncludeChildren);
1140	else if (hrgn)
1141	success = WinInvalidateRegion (hwnd, hrgnTemp, IncludeChildren);
1142	else
1143	success = WinInvalidateRect (hwnd, &rectl, IncludeChildren);
1144	if (!success) goto error;
1145	}
1146	else if (redraw & RDW_VALIDATE_W)
1147	{
1148	if (WinQueryUpdateRect (hwnd, NULL))
1149	{
1150	if (!pRect && !hrgn)
1151	success = WinValidateRect (hwnd, NULL, IncludeChildren);
1152	else if (hrgn)
1153	success = WinValidateRegion (hwnd, hrgnTemp, IncludeChildren);
1154	else
1155	success = WinValidateRect (hwnd, &rectl, IncludeChildren);
1156	if (!success) goto error;
1157	}
1158	}
1159
1160	if(WinQueryUpdateRect(hwnd, NULL))
1161	{
1162	if(redraw & RDW_UPDATENOW_W) {
1163	wnd->MsgPaint (0, FALSE);
1164	}
1165	else
1166	if((redraw & RDW_ERASE_W) && (redraw & RDW_ERASENOW_W))
1167	wnd->setEraseBkgnd (FALSE, !sendEraseBkgnd (wnd));
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	//SvL: Test
1185	// if ((redraw & RDW_INVALIDATE_W) == 0)
1186	// wnd->setSuppressErase (FALSE);
1187	// else if ((redraw & RDW_ERASENOW_W) == RDW_ERASENOW_W)
1188	// wnd->setSuppressErase (TRUE);
1189
1190	if (!success)
1191	O32_SetLastError (ERROR_INVALID_PARAMETER);
1192
1193	return (success);
1194	}
1195	//******************************************************************************
1196	//******************************************************************************
1197	BOOL WIN32API UpdateWindow (HWND hwnd)
1198	{
1199	Win32BaseWindow *wnd = Win32BaseWindow::GetWindowFromHandle (hwnd);
1200
1201	if(!wnd) {
1202	O32_SetLastError(ERROR_INVALID_WINDOW_HANDLE);
1203	return FALSE;
1204	}
1205
1206	dprintf (("User32: UpdateWindow hwnd %x", hwnd));
1207	////SvL: This doesn't work right (it's what Wine does) -> TODO
1208	//// return RedrawWindow( hwnd, NULL, 0, RDW_UPDATENOW_W \| RDW_NOCHILDREN_W);
1209	WinUpdateWindow(wnd->getOS2WindowHandle());
1210	return TRUE;
1211	}
1212	//******************************************************************************
1213	//******************************************************************************
1214	BOOL WIN32API InvalidateRect (HWND hwnd, const RECT *pRect, BOOL erase)
1215	{
1216	BOOL result;
1217
1218	result = RedrawWindow (hwnd, pRect, NULLHANDLE,
1219	RDW_ALLCHILDREN_W \| RDW_INVALIDATE_W \|
1220	(erase ? RDW_ERASE_W : 0) \|
1221	(hwnd == NULLHANDLE ? RDW_UPDATENOW_W : 0));
1222	return (result);
1223	}
1224	//******************************************************************************
1225	//******************************************************************************
1226	BOOL WIN32API InvalidateRgn (HWND hwnd, HRGN hrgn, BOOL erase)
1227	{
1228	BOOL result;
1229
1230	result = RedrawWindow (hwnd, NULL, hrgn,
1231	RDW_ALLCHILDREN_W \| RDW_INVALIDATE_W \|
1232	(erase ? RDW_ERASE_W : 0) \|
1233	(hwnd == NULLHANDLE ? RDW_UPDATENOW_W : 0));
1234	return (result);
1235	}
1236	//******************************************************************************
1237	//******************************************************************************
1238	BOOL setPMRgnIntoWinRgn (HRGN hrgnPM, HRGN hrgnWin, LONG height)
1239	{
1240	BOOL rc;
1241	HPS hps = WinGetScreenPS (HWND_DESKTOP);
1242	RGNRECT rgnRect;
1243	rgnRect.ircStart = 1;
1244	rgnRect.crc = 0;
1245	rgnRect.ulDirection = RECTDIR_LFRT_TOPBOT; // doesn't make a difference because we're getting them all
1246
1247	rc = GpiQueryRegionRects (hps, hrgnPM, NULL, &rgnRect, NULL);
1248
1249	if (rc && (rgnRect.crcReturned > 0))
1250	{
1251	PRECTL Rcls = new RECTL[rgnRect.crcReturned];
1252	PRECTL pRcl = Rcls;
1253
1254	if (Rcls != NULL)
1255	{
1256	rgnRect.crc = rgnRect.crcReturned;
1257	rc = GpiQueryRegionRects (hps, hrgnPM, NULL, &rgnRect, Rcls);
1258
1259	rc = O32_SetRectRgn (hrgnWin, pRcl->xLeft,
1260	pRcl->xRight,
1261	height - pRcl->yTop,
1262	height - pRcl->yBottom);
1263
1264	if (rgnRect.crcReturned > 1)
1265	{
1266	int i;
1267	HRGN temp;
1268	temp = O32_CreateRectRgn (0, 0, 1, 1);
1269
1270	for (i = 1, pRcl++; rc && (i < rgnRect.crcReturned); i++, pRcl++)
1271	{
1272	rc = O32_SetRectRgn (temp, pRcl->xLeft,
1273	pRcl->xRight,
1274	height - pRcl->yTop,
1275	height - pRcl->yBottom);
1276	rc &= O32_CombineRgn (hrgnWin, hrgnWin, temp, RGN_OR_W);
1277	}
1278	O32_DeleteObject (temp);
1279	}
1280	delete[] Rcls;
1281	}
1282	else
1283	{
1284	rc = FALSE;
1285	}
1286	}
1287	else
1288	{
1289	rc = O32_SetRectRgn (hrgnWin, 0, 0, 0, 0);
1290	}
1291
1292	WinReleasePS (hps);
1293	return (rc);
1294	}
1295	//******************************************************************************
1296	//******************************************************************************
1297	BOOL WIN32API ScrollDC (HDC hDC, int dx, int dy, const RECT *pScroll,
1298	const RECT *pClip, HRGN hrgnUpdate, LPRECT pRectUpdate)
1299	{
1300	BOOL rc = TRUE;
1301
1302	dprintf (("USER32: ScrollDC"));
1303
1304	if (!hDC)
1305	{
1306	return (FALSE);
1307	}
1308
1309	pDCData pHps = (pDCData)GpiQueryDCData ((HPS)hDC);
1310	HWND hwnd = pHps->hwnd;
1311	Win32BaseWindow *wnd = Win32BaseWindow::GetWindowFromHandle (hwnd);
1312
1313	if ((hwnd == NULLHANDLE) \|\| !wnd)
1314	{
1315	return (FALSE);
1316	}
1317
1318	POINTL ptl[2] = { 0, 0, dx, dy };
1319
1320	GpiConvert (pHps->hps, CVTC_WORLD, CVTC_DEVICE, 2, ptl);
1321	dx = (int)(ptl[1].x - ptl[0].x);
1322	dy = (int)(ptl[1].y - ptl[0].y);
1323
1324	RECTL scrollRect;
1325	RECTL clipRect;
1326
1327	if (pClip)
1328	{
1329	clipRect.xLeft = min (pClip->left, pClip->right);
1330	clipRect.xRight = max (pClip->left, pClip->right);
1331	clipRect.yTop = max (pClip->top, pClip->bottom);
1332	clipRect.yBottom = min (pClip->top, pClip->bottom);
1333
1334	if ((pHps->graphicsMode == GM_COMPATIBLE_W) &&
1335	(clipRect.xLeft != clipRect.xRight) &&
1336	(clipRect.yBottom != clipRect.yTop))
1337	{
1338	if (abs((int)pHps->viewportXExt) <= abs((int)pHps->windowExt.cx))
1339	clipRect.xRight -= abs(pHps->worldXDeltaFor1Pixel);
1340	else
1341	clipRect.xLeft += abs(pHps->worldXDeltaFor1Pixel);
1342
1343	if (abs((int)pHps->viewportYExt) <= abs((int)pHps->windowExt.cy))
1344	clipRect.yTop -= abs(pHps->worldYDeltaFor1Pixel);
1345	else
1346	clipRect.yBottom += abs(pHps->worldYDeltaFor1Pixel);
1347	}
1348	GpiConvert (pHps->hps, CVTC_WORLD, CVTC_DEVICE, 2, (PPOINTL)&clipRect);
1349	if (clipRect.xRight < clipRect.xLeft) {
1350	ULONG temp = clipRect.xLeft;
1351	clipRect.xLeft = clipRect.xRight;
1352	clipRect.xRight = temp;
1353	}
1354	if (clipRect.yTop < clipRect.yBottom) {
1355	ULONG temp = clipRect.yBottom;
1356	clipRect.yBottom = clipRect.yTop;
1357	clipRect.yTop = temp;
1358	}
1359	}
1360
1361	if (pScroll)
1362	{
1363	scrollRect.xLeft = min (pScroll->left, pScroll->right);
1364	scrollRect.xRight = max (pScroll->left, pScroll->right);
1365	scrollRect.yTop = max (pScroll->top, pScroll->bottom);
1366	scrollRect.yBottom = min (pScroll->top, pScroll->bottom);
1367
1368	if ((pHps->graphicsMode == GM_COMPATIBLE_W) &&
1369	(scrollRect.xLeft != scrollRect.xRight) &&
1370	(scrollRect.yBottom != scrollRect.yTop))
1371	{
1372	if (abs((int)pHps->viewportXExt) <= abs((int)pHps->windowExt.cx))
1373	scrollRect.xRight -= abs(pHps->worldXDeltaFor1Pixel);
1374	else
1375	scrollRect.xLeft += abs(pHps->worldXDeltaFor1Pixel);
1376
1377	if (abs((int)pHps->viewportYExt) <= abs((int)pHps->windowExt.cy))
1378	scrollRect.yTop -= abs(pHps->worldYDeltaFor1Pixel);
1379	else
1380	scrollRect.yBottom += abs(pHps->worldYDeltaFor1Pixel);
1381	}
1382	GpiConvert (pHps->hps, CVTC_WORLD, CVTC_DEVICE, 2, (PPOINTL)&scrollRect);
1383	if (scrollRect.xRight < scrollRect.xLeft) {
1384	ULONG temp = scrollRect.xLeft;
1385	scrollRect.xLeft = scrollRect.xRight;
1386	scrollRect.xRight = temp;
1387	}
1388	if (scrollRect.yTop < scrollRect.yBottom) {
1389	ULONG temp = scrollRect.yBottom;
1390	scrollRect.yBottom = scrollRect.yTop;
1391	scrollRect.yTop = temp;
1392	}
1393	}
1394	RECTL rectlUpdate;
1395	HRGN hrgn;
1396
1397	LONG lComplexity = WinScrollWindow (hwnd, dx, dy, (pScroll) ? &scrollRect : NULL, (pClip) ? &clipRect : NULL, hrgn, &rectlUpdate, 0);
1398	if (lComplexity == RGN_ERROR)
1399	{
1400	return (FALSE);
1401	}
1402
1403	RECT winRectUpdate;
1404	LONG height = wnd->getClientHeight();
1405
1406	winRectUpdate.left = rectlUpdate.xLeft;
1407	winRectUpdate.right = rectlUpdate.xRight;
1408	winRectUpdate.top = height - rectlUpdate.yTop;
1409	winRectUpdate.bottom = height - rectlUpdate.yBottom;
1410
1411	if (pRectUpdate)
1412	*pRectUpdate = winRectUpdate;
1413
1414	if (hrgnUpdate)
1415	rc = setPMRgnIntoWinRgn (hrgn, hrgnUpdate, height);
1416
1417	return (rc);
1418	}
1419	//******************************************************************************
1420	//******************************************************************************
1421	#if 1
1422	BOOL WIN32API ScrollWindow(HWND hwnd, int dx, int dy, const RECT pScroll, const RECT pClip)
1423	{
1424	Win32BaseWindow *window;
1425	APIRET rc;
1426	RECTL clientRect;
1427	PRECT pClientRect;
1428	RECTL scrollRect;
1429	RECTL clipRect;
1430	PRECTL pScrollRect = NULL;
1431	PRECTL pClipRect = NULL;
1432	ULONG scrollFlags = SW_INVALIDATERGN;
1433
1434	window = Win32BaseWindow::GetWindowFromHandle(hwnd);
1435	if(!window) {
1436	dprintf(("ScrollWindow, window %x not found", hwnd));
1437	return 0;
1438	}
1439	dprintf(("ScrollWindow %x %d %d %x %x", hwnd, dx, dy, pScroll, pClip));
1440
1441	pClientRect = window->getClientRectPtr();
1442	clientRect.xLeft = 0;
1443	clientRect.yBottom = 0;
1444	clientRect.xRight = pClientRect->right - pClientRect->left;
1445	clientRect.yTop = pClientRect->bottom - pClientRect->top;
1446
1447	if(pScroll) {
1448	mapWin32ToOS2Rect(window,(RECT *)pScroll, (PRECTLOS2)&scrollRect);
1449	pScrollRect = &scrollRect;
1450
1451	//Scroll rectangle relative to client area
1452	WinIntersectRect ((HAB) 0, pScrollRect, pScrollRect, &clientRect);
1453	}
1454	else scrollFlags \|= SW_SCROLLCHILDREN;
1455
1456	if(pClip) {
1457	mapWin32ToOS2Rect(window,(RECT *)pClip, (PRECTLOS2)&clipRect);
1458	pClipRect = &clipRect;
1459
1460	//Clip rectangle relative to client area
1461	WinIntersectRect ((HAB) 0, pClipRect, pClipRect, &clientRect);
1462	}
1463
1464	dy = revertDy (window, dy);
1465
1466	rc = WinScrollWindow(window->getOS2WindowHandle(), dx, dy,
1467	pScrollRect, pClipRect, NULLHANDLE,
1468	NULL, scrollFlags);
1469
1470	return (rc != RGN_ERROR);
1471	}
1472	#else
1473	BOOL WIN32API ScrollWindow(HWND hwnd, int dx, int dy, const RECT pScroll, const RECT pClip)
1474	{
1475	Win32BaseWindow *window;
1476	APIRET rc;
1477	RECTL clientRect;
1478	RECTL scrollRect;
1479	RECTL clipRect;
1480	PRECTL pScrollRect = NULL;
1481	PRECTL pClipRect = NULL;
1482	ULONG scrollFlags = SW_INVALIDATERGN;
1483
1484	window = Win32BaseWindow::GetWindowFromHandle(hwnd);
1485	if(!window) {
1486	dprintf(("ScrollWindow, window %x not found", hwnd));
1487	return 0;
1488	}
1489	dprintf(("ScrollWindow %x %d %d %x %x", hwnd, dx, dy, pScroll, pClip));
1490	mapWin32ToOS2Rect(window,window->getClientRectPtr(),(PRECTLOS2)&clientRect);
1491	#if 0
1492	//Rectangle could be relative to parent window, so fix this
1493	if(clientRect.yBottom != 0) {
1494	clientRect.yTop -= clientRect.yBottom;
1495	clientRect.yBottom = 0;
1496	}
1497	if(clientRect.xLeft != 0) {
1498	clientRect.xRight -= clientRect.xLeft;
1499	clientRect.xLeft = 0;
1500	}
1501	#endif
1502	if(pScroll) {
1503	mapWin32ToOS2Rect(window,(RECT *)pScroll, (PRECTLOS2)&scrollRect);
1504	pScrollRect = &scrollRect;
1505
1506	//Scroll rectangle relative to client area
1507	pScrollRect->xLeft += clientRect.xLeft;
1508	pScrollRect->xRight += clientRect.xLeft;
1509	pScrollRect->yTop += clientRect.yBottom;
1510	pScrollRect->yBottom += clientRect.yBottom;
1511	WinIntersectRect ((HAB) 0, pScrollRect, pScrollRect, &clientRect);
1512	}
1513	else scrollFlags \|= SW_SCROLLCHILDREN;
1514
1515	if(pClip) {
1516	mapWin32ToOS2Rect(window,(RECT *)pClip, (PRECTLOS2)&clipRect);
1517	pClipRect = &clipRect;
1518
1519	//Clip rectangle relative to client area
1520	pClipRect->xLeft += clientRect.xLeft;
1521	pClipRect->xRight += clientRect.xLeft;
1522	pClipRect->yTop += clientRect.yBottom;
1523	pClipRect->yBottom += clientRect.yBottom;
1524	WinIntersectRect ((HAB) 0, pClipRect, pClipRect, &clientRect);
1525	}
1526
1527	dy = revertDy (window, dy);
1528
1529	rc = WinScrollWindow(window->getOS2WindowHandle(), dx, dy,
1530	pScrollRect, pClipRect, NULLHANDLE,
1531	NULL, scrollFlags);
1532
1533	return (rc != RGN_ERROR);
1534	}
1535	#endif
1536	//******************************************************************************
1537	//******************************************************************************
1538	INT WIN32API ScrollWindowEx(HWND hwnd, int dx, int dy, const RECT pScroll, const RECT pClip,
1539	HRGN hrgnUpdate, PRECT pRectUpdate, UINT scrollFlag)
1540	{
1541	Win32BaseWindow *window;
1542	APIRET rc;
1543	RECTL scrollRect;
1544	RECTL clipRect;
1545	ULONG scrollFlags = 0;
1546	int regionType = ERROR_W;
1547
1548	window = Win32BaseWindow::GetWindowFromHandle(hwnd);
1549	if(!window) {
1550	dprintf(("ScrollWindowEx, window %x not found", hwnd));
1551	return 0;
1552	}
1553
1554	dprintf(("ScrollWindowEx %x %d %d %x %x", hwnd, dx, dy, pScroll, pClip));
1555
1556	dy = revertDy (window, dy);
1557
1558	if (scrollFlag & SW_INVALIDATE_W) scrollFlags \|= SW_INVALIDATERGN;
1559	if (scrollFlag & SW_SCROLLCHILDREN_W) scrollFlags \|= SW_SCROLLCHILDREN;
1560
1561	if(pScroll) mapWin32ToOS2Rect(window,(RECT *)pScroll, (PRECTLOS2)&scrollRect);
1562	if(pClip) mapWin32ToOS2Rect(window,(RECT *)pClip, (PRECTLOS2)&clipRect);
1563
1564	RECTL rectlUpdate;
1565	HRGN hrgn;
1566
1567	if (scrollFlag & SW_SMOOTHSCROLL_W)
1568	{
1569	INT time = (scrollFlag >> 16) & 0xFFFF;
1570
1571	//CB: todo, scroll in several steps
1572	// is time in ms? time <-> iteration count?
1573	}
1574
1575	LONG lComplexity = WinScrollWindow (window->getOS2WindowHandle(), dx, dy,
1576	(pScroll) ? &scrollRect : NULL,
1577	(pClip) ? &clipRect : NULL,
1578	hrgn, &rectlUpdate, scrollFlags);
1579	if (lComplexity == RGN_ERROR)
1580	{
1581	return ERROR_W;
1582	}
1583
1584	RECT winRectUpdate;
1585	LONG height = window->getClientHeight();
1586
1587	winRectUpdate.left = rectlUpdate.xLeft;
1588	winRectUpdate.right = rectlUpdate.xRight;
1589	winRectUpdate.top = height - rectlUpdate.yTop;
1590	winRectUpdate.bottom = height - rectlUpdate.yBottom;
1591
1592	if (pRectUpdate)
1593	*pRectUpdate = winRectUpdate;
1594
1595	if (hrgnUpdate)
1596	rc = setPMRgnIntoWinRgn (hrgn, hrgnUpdate, height);
1597
1598	if ((scrollFlag & SW_INVALIDATE_W) &&
1599	((lComplexity == RGN_RECT) \|\| (lComplexity == RGN_COMPLEX)))
1600	{
1601	rc = InvalidateRect (hwnd, &winRectUpdate, (scrollFlag & SW_ERASE_W) ? 1 : 0);
1602	if (rc == FALSE)
1603	{
1604	return (0);
1605	}
1606	}
1607
1608	switch (lComplexity)
1609	{
1610	case RGN_NULL:
1611	regionType = NULLREGION_W;
1612	break;
1613	case RGN_RECT:
1614	regionType = SIMPLEREGION_W;
1615	break;
1616	case RGN_COMPLEX:
1617	regionType = COMPLEXREGION_W;
1618	break;
1619	default:
1620	regionType = ERROR_W;
1621	break;
1622	}
1623
1624	return (regionType);
1625	}
1626	//******************************************************************************
1627	//******************************************************************************
1628	HWND WIN32API WindowFromDC(HDC hdc)
1629	{
1630	pDCData pHps = (pDCData)GpiQueryDCData( (HPS)hdc );
1631
1632	dprintf2(("USER32: WindowFromDC %x", hdc));
1633	if ( pHps )
1634	return Win32BaseWindow::OS2ToWin32Handle(pHps->hwnd);
1635	else
1636	return 0;
1637	}
1638	//******************************************************************************
1639	//******************************************************************************
1640	INT WIN32API ExcludeUpdateRgn( HDC hDC, HWND hWnd)
1641	{
1642	dprintf(("USER32: ExcludeUpdateRgn\n"));
1643	hWnd = Win32BaseWindow::Win32ToOS2Handle(hWnd);
1644
1645	return O32_ExcludeUpdateRgn(hDC,hWnd);
1646	}
1647	//******************************************************************************
1648	//******************************************************************************
1649	BOOL WIN32API ValidateRect( HWND hwnd, const RECT * lprc)
1650	{
1651	if(lprc) {
1652	dprintf(("USER32: ValidateRect %x (%d,%d)(%d,%d)", hwnd, lprc->left, lprc->top, lprc->right, lprc->bottom));
1653	}
1654	else dprintf(("USER32: ValidateRect %x", hwnd));
1655
1656	return RedrawWindow( hwnd, lprc, 0, RDW_VALIDATE_W \| RDW_NOCHILDREN_W \| (hwnd==0 ? RDW_UPDATENOW_W : 0));
1657	}
1658	//******************************************************************************
1659	//******************************************************************************
1660	BOOL WIN32API ValidateRgn( HWND hwnd, HRGN hrgn)
1661	{
1662	dprintf(("USER32: ValidateRgn %x %x", hwnd, hrgn));
1663	return RedrawWindow( hwnd, NULL, hrgn, RDW_VALIDATE_W \| RDW_NOCHILDREN_W \| (hwnd==0 ? RDW_UPDATENOW_W : 0));
1664	}
1665	/*****************************************************************************
1666	* Name : int WIN32API GetWindowRgn
1667	* Purpose : The GetWindowRgn function obtains a copy of the window region of a window.
1668	* Parameters: HWND hWnd handle to window whose window region is to be obtained
1669	* HRGN hRgn handle to region that receives a copy of the window region
1670	* Variables :
1671	* Result : NULLREGION, SIMPLEREGION, COMPLEXREGION, ERROR
1672	* Remark :
1673	* Status : UNTESTED STUB
1674	*
1675	* Author : Patrick Haller [Thu, 1998/02/26 11:55]
1676	*****************************************************************************/
1677
1678	int WIN32API GetWindowRgn(HWND hwnd, HRGN hRgn)
1679	{
1680	Win32BaseWindow *window;
1681	HRGN hWindowRegion;
1682
1683	window = Win32BaseWindow::GetWindowFromHandle(hwnd);
1684	if(!window) {
1685	dprintf(("SetWindowContextHelpId, window %x not found", hwnd));
1686	O32_SetLastError(ERROR_INVALID_WINDOW_HANDLE);
1687	return 0;
1688	}
1689	dprintf(("USER32:GetWindowRgn (%x,%x)", hwnd, hRgn));
1690	hWindowRegion = window->GetWindowRegion();
1691
1692	return O32_CombineRgn(hRgn, hWindowRegion, 0, RGN_COPY_W);
1693	}
1694	/*****************************************************************************
1695	* Name : int WIN32API SetWindowRgn
1696	* Purpose : The SetWindowRgn function sets the window region of a window. The
1697	* window region determines the area within the window where the
1698	* operating system permits drawing. The operating system does not
1699	* display any portion of a window that lies outside of the window region
1700	* When this function is called, the system sends the WM_WINDOWPOSCHANGING and
1701	* WM_WINDOWPOSCHANGED messages to the window.
1702	*
1703	* Parameters: HWND hWnd handle to window whose window region is to be set
1704	* HRGN hRgn handle to region
1705	* BOOL bRedraw window redraw flag
1706	* Variables :
1707	* Result : If the function succeeds, the return value is non-zero.
1708	* If the function fails, the return value is zero.
1709	* Remark :
1710	* Status : UNTESTED STUB
1711	*
1712	* Author : Patrick Haller [Thu, 1998/02/26 11:55]
1713	*****************************************************************************/
1714
1715	int WIN32API SetWindowRgn(HWND hwnd,
1716	HRGN hRgn,
1717	BOOL bRedraw)
1718	{
1719	Win32BaseWindow *window;
1720	HRGN hWindowRegion;
1721
1722	window = Win32BaseWindow::GetWindowFromHandle(hwnd);
1723	if(!window) {
1724	dprintf(("SetWindowContextHelpId, window %x not found", hwnd));
1725	O32_SetLastError(ERROR_INVALID_WINDOW_HANDLE);
1726	return 0;
1727	}
1728	dprintf(("USER32:SetWindowRgn (%x,%x,%d)", hwnd, hRgn, bRedraw));
1729	if(window->GetWindowRegion()) {
1730	O32_DeleteObject(window->GetWindowRegion());
1731	}
1732	window->SetWindowRegion(hRgn);
1733	if(bRedraw) {
1734	RedrawWindow(hwnd, 0, 0, RDW_UPDATENOW_W);
1735	}
1736	//TODO:
1737	// When this function is called, the system sends the WM_WINDOWPOSCHANGING and
1738	// WM_WINDOWPOSCHANGED messages to the window.
1739	return 1;
1740	}
1741	//******************************************************************************
1742	//******************************************************************************

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