source: trunk/src/user32/dc.cpp@ 5687

Last change on this file since 5687 was 5687, checked in by sandervl, 24 years ago

ScrollDC & ScrollWindow fixes
File size: 58.4 KB
Line 
1/* $Id: dc.cpp,v 1.100 2001-05-11 13:31:54 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 <string.h>
25#include <win32type.h>
26#include <win32api.h>
27#include <winuser32.h>
28#include <winconst.h>
29#include <misc.h>
30#include <win32wbase.h>
31#include <math.h>
32#include <limits.h>
33#include "oslibwin.h"
34#include "oslibmsg.h"
35#include <dcdata.h>
36#include <codepage.h>
37#include <wingdi32.h>
38
39#define INCLUDED_BY_DC
40#include "dc.h"
41
42#define DBG_LOCALLOG DBG_dc
43#include "dbglocal.h"
44
45#ifndef DEVESC_SETPS
46 #define DEVESC_SETPS 49149L
47#endif
48
49#define FLOAT_TO_FIXED(x) ((FIXED) ((x) * 65536.0))
50#define MICRO_HPS_TO_HDC(x) ((x) & 0xFFFFFFFE)
51
52#define PMRECT_FROM_WINRECT( pmRect, winRect ) \
53{ \
54 (pmRect).xLeft = (winRect).left; \
55 (pmRect).yBottom = (winRect).bottom; \
56 (pmRect).xRight = (winRect).right; \
57 (pmRect).yTop = (winRect).top; \
58}
59
60#define WINRECT_FROM_PMRECT( winRect, pmRect ) \
61{ \
62 (winRect).left = (pmRect).xLeft; \
63 (winRect).top = (pmRect).yTop; \
64 (winRect).right = (pmRect).xRight; \
65 (winRect).bottom = (pmRect).yBottom; \
66}
67
68#define MEM_HPS_MAX 768
69
70const XFORM_W XFORMIdentity = { 1.0, 0.0, 0.0, 1.0, 0, 0 };
71const MATRIXLF matrixlfIdentity = { 0x10000, 0, 0, 0, 0x10000, 0, 0, 0, 0};
72
73BOOL setPageXForm(Win32BaseWindow *wnd, pDCData pHps);
74BOOL changePageXForm(Win32BaseWindow *wnd, pDCData pHps, PPOINTL pValue, int x, int y, PPOINTL pPrev);
75LONG clientHeight(Win32BaseWindow *wnd, HWND hwnd, pDCData pHps);
76
77#ifdef DEBUG
78#define dprintfRegion(a,b,c) if(DbgEnabledLvl2[DBG_LOCALLOG] == 1) dprintfRegion1(a,b,c)
79
80void dprintfRegion1(HPS hps, HWND hWnd, HRGN hrgnClip)
81{
82 RGNRECT rgnRect = {0, 16, 0, RECTDIR_LFRT_TOPBOT};
83 RECTL rectRegion[16];
84 APIRET rc;
85
86 dprintf(("dprintfRegion %x %x", hWnd, hps));
87 rc = GpiQueryRegionRects(hps, hrgnClip, NULL, &rgnRect, &rectRegion[0]);
88 for(int i=0;i<rgnRect.crcReturned;i++) {
89 dprintf(("(%d,%d)(%d,%d)", rectRegion[i].xLeft, rectRegion[i].yBottom, rectRegion[i].xRight, rectRegion[i].yTop));
90 }
91}
92#else
93#define dprintfRegion(a,b,c)
94#endif
95
96//******************************************************************************
97//******************************************************************************
98void WIN32API TestWideLine (pDCData pHps)
99{
100 const LOGPEN_W *pLogPen;
101
102 pHps->isWideLine = FALSE;
103 pLogPen = pHps->penIsExtPen ?
104 &(pHps->lastPenObject->ExtPen.logpen) :
105 &(pHps->lastPenObject->Pen.logpen);
106
107 if (((pLogPen->lopnStyle & PS_STYLE_MASK_W) != PS_NULL_W) &&
108 (pLogPen->lopnWidth.x > 0))
109 {
110 POINTL aptl[2] = { 0, 0, pLogPen->lopnWidth.x, pLogPen->lopnWidth.x };
111
112 GpiConvert(pHps->hps, CVTC_WORLD, CVTC_DEVICE, 2, aptl);
113
114 ULONG dx = abs(aptl[0].x - aptl[1].x);
115 ULONG dy = abs(aptl[0].y - aptl[1].y);
116
117 pHps->isWideLine = (dx > 1) || (dy > 1);
118 }
119}
120//******************************************************************************
121//******************************************************************************
122void WIN32API Calculate1PixelDelta(pDCData pHps)
123{
124 POINTL aptl[2] = {0, 0, 1, 1};
125
126 GpiConvert(pHps->hps, CVTC_DEVICE, CVTC_WORLD, 2, aptl);
127 pHps->worldYDeltaFor1Pixel = (int)(aptl[1].y - aptl[0].y);
128 pHps->worldXDeltaFor1Pixel = (int)(aptl[1].x - aptl[0].x); // 171182
129}
130//******************************************************************************
131//******************************************************************************
132int setMapMode(Win32BaseWindow *wnd, pDCData pHps, int mode)
133{
134 int prevMode = 0;
135 ULONG flOptions;
136
137 switch (mode)
138 {
139 case MM_HIENGLISH_W : flOptions = PU_HIENGLISH; break;
140 case MM_LOENGLISH_W : flOptions = PU_LOENGLISH; break;
141 case MM_HIMETRIC_W : flOptions = PU_HIMETRIC ; break;
142 case MM_LOMETRIC_W : flOptions = PU_LOMETRIC ; break;
143 case MM_TEXT_W : flOptions = PU_PELS ; break;
144 case MM_TWIPS_W : flOptions = PU_TWIPS ; break;
145 case MM_ANISOTROPIC_W: flOptions = PU_PELS ; break;
146 case MM_ISOTROPIC_W : flOptions = PU_LOMETRIC ; break;
147 default:
148 SetLastError(ERROR_INVALID_PARAMETER_W);
149 return FALSE;
150 }
151
152 prevMode = pHps->MapMode; /* store previous mode */
153 pHps->MapMode = mode;
154
155 if (mode == MM_TEXT_W)
156 {
157 pHps->viewportXExt =
158 pHps->viewportYExt = 1.0;
159 pHps->windowExt.cx =
160 pHps->windowExt.cy = 1;
161 }
162 else if (mode != MM_ANISOTROPIC_W)
163 {
164 RECTL rectl;
165 SIZEL sizel;
166 ULONG data[3];
167
168 data[0] = flOptions;
169 data[1] = data[2] = 0;
170
171 if (DevEscape(pHps->hdc ? pHps->hdc : pHps->hps, DEVESC_SETPS, 12, (PBYTE)data, 0, 0) == DEVESC_ERROR)
172 {
173 SetLastError(ERROR_INVALID_PARAMETER_W);
174 return 0;
175 }
176
177 GpiQueryPageViewport(pHps->hps, &rectl);
178 pHps->viewportXExt = (double)rectl.xRight;
179 pHps->viewportYExt = -(double)rectl.yTop;
180
181 GreGetPageUnits(pHps->hdc? pHps->hdc : pHps->hps, &sizel);
182 pHps->windowExt.cx = sizel.cx;
183 pHps->windowExt.cy = sizel.cy;
184
185 data[0] = PU_PELS;
186 DevEscape(pHps->hdc ? pHps->hdc : pHps->hps, DEVESC_SETPS, 12, (PBYTE)data, 0, 0);
187 }
188
189 if (((prevMode != MM_ISOTROPIC_W) && (prevMode != MM_ANISOTROPIC_W)) &&
190 ((mode == MM_ISOTROPIC_W) || (mode == MM_ANISOTROPIC_W)))
191 {
192 if (pHps->lWndXExtSave && pHps->lWndYExtSave)
193 {
194 changePageXForm (wnd, pHps, (PPOINTL)&pHps->windowExt,
195 pHps->lWndXExtSave, pHps->lWndYExtSave, NULL );
196 pHps->lWndXExtSave = pHps->lWndYExtSave = 0;
197 }
198 if (pHps->lVwpXExtSave && pHps->lVwpYExtSave)
199 {
200 changePageXForm (wnd, pHps, NULL,
201 pHps->lVwpXExtSave, pHps->lVwpYExtSave, NULL );
202 pHps->lVwpXExtSave = pHps->lVwpYExtSave = 0;
203 }
204 }
205
206 setPageXForm(wnd, pHps);
207
208 return prevMode;
209}
210//******************************************************************************
211//******************************************************************************
212BOOL setPageXForm(Win32BaseWindow *wnd, pDCData pHps)
213{
214 MATRIXLF mlf;
215 BOOL rc = TRUE;
216
217 pHps->height = clientHeight(wnd, 0, pHps) - 1;
218
219 double xScale = pHps->viewportXExt / (double)pHps->windowExt.cx;
220 double yScale = pHps->viewportYExt / (double)pHps->windowExt.cy;
221
222#if 0
223 mlf.fxM11 = FLOAT_TO_FIXED(1.0);
224 mlf.fxM12 = 0;
225 mlf.lM13 = 0;
226 mlf.fxM21 = 0;
227 mlf.fxM22 = FLOAT_TO_FIXED(1.0);
228 mlf.lM23 = 0;
229 mlf.lM31 = pHps->viewportOrg.x - (LONG)(pHps->windowOrg.x * xScale);
230 mlf.lM32 = pHps->viewportOrg.y - (LONG)(pHps->windowOrg.y * yScale);
231 mlf.lM33 = 1;
232
233//testestest
234 if(wnd && wnd->getWindowWidth() && wnd->getWindowHeight())
235 {
236 RECTL recttmp, rectviewold;
237
238 rc = GpiQueryPageViewport(pHps->hps, &rectviewold);
239 if(rc == 0) {
240 dprintf(("WARNING: GpiQueryPageViewport returned FALSE!!"));
241 }
242 recttmp.xLeft = 0;
243 recttmp.xRight = ((double)GetScreenWidth() / xScale);
244 recttmp.yBottom = 0;
245 recttmp.yTop = ((double)GetScreenHeight() / yScale);
246
247 if(recttmp.yTop != rectviewold.yTop ||
248 recttmp.xRight != rectviewold.xRight)
249 {
250 if(pHps->viewportYExt > pHps->windowExt.cy) {//scaling up means we have to invert the y values
251 recttmp.yBottom = GetScreenHeight() - recttmp.yTop;
252 recttmp.yTop = GetScreenHeight();
253 }
254 dprintf(("GpiSetPageViewport %x (%d,%d)(%d,%d) %f %f", pHps->hps, recttmp.xLeft, recttmp.yBottom, recttmp.xRight, recttmp.yTop, xScale, yScale));
255 rc = GpiSetPageViewport(pHps->hps, &recttmp);
256 if(rc == 0) {
257 dprintf(("WARNING: GpiSetPageViewport returned FALSE!!"));
258 }
259 }
260 }
261//testestest
262
263#else
264 mlf.fxM11 = FLOAT_TO_FIXED(xScale);
265 mlf.fxM12 = 0;
266 mlf.lM13 = 0;
267 mlf.fxM21 = 0;
268 mlf.fxM22 = FLOAT_TO_FIXED(yScale);
269 mlf.lM23 = 0;
270 mlf.lM31 = pHps->viewportOrg.x - (LONG)(pHps->windowOrg.x * xScale);
271 mlf.lM32 = pHps->viewportOrg.y - (LONG)(pHps->windowOrg.y * yScale);
272 mlf.lM33 = 1;
273#endif
274
275 pHps->isLeftLeft = mlf.fxM11 >= 0;
276 pHps->isTopTop = mlf.fxM22 >= 0;
277
278 BOOL bEnableYInversion = FALSE;
279 if ((mlf.fxM22 > 0) ||
280 ((pHps->graphicsMode == GM_ADVANCED_W) &&
281 ((pHps->MapMode == MM_ANISOTROPIC_W) ||
282 (pHps->MapMode == MM_ISOTROPIC_W))))
283 {
284 bEnableYInversion = TRUE;
285 }
286 else
287 {
288 bEnableYInversion = FALSE;
289 mlf.lM32 = pHps->HPStoHDCInversionHeight + pHps->height - mlf.lM32;
290 mlf.fxM22 = -mlf.fxM22;
291 }
292
293 if (!pHps->isMetaPS)
294// if ((!pHps->isMetaPS) ||
295// (pHps->pMetaFileObject && pHps->pMetaFileObject->isEnhanced()))
296 rc = GpiSetDefaultViewMatrix(pHps->hps, 8, &mlf, TRANSFORM_REPLACE);
297 if(rc == 0) {
298 dprintf(("WARNING: GpiSetDefaultViewMatrix returned FALSE!!"));
299 }
300#ifdef INVERT
301 if (bEnableYInversion)
302 GpiEnableYInversion(pHps->hps, pHps->height + pHps->HPStoHDCInversionHeight);
303 else
304 GpiEnableYInversion(pHps->hps, 0);
305#else
306 pHps->yInvert = 0;
307 if(bEnableYInversion)
308 {
309 pHps->yInvert4Enable = pHps->height + pHps->HPStoHDCInversionHeight;
310 if(pHps->isPrinter)
311 {
312 pHps->yInvert = pHps->yInvert4Enable
313 * (pHps->windowExt.cy / (double)pHps->viewportYExt);
314 } else {
315 pHps->yInvert = pHps->yInvert4Enable;
316 }
317 }
318#endif
319
320 TestWideLine(pHps);
321 Calculate1PixelDelta(pHps);
322 return rc;
323}
324//******************************************************************************
325//******************************************************************************
326BOOL changePageXForm(Win32BaseWindow *wnd, pDCData pHps, PPOINTL pValue, int x, int y, PPOINTL pPrev)
327{
328 BOOL result = FALSE;
329
330 if (pValue)
331 {
332 if (pPrev)
333 *pPrev = *pValue;
334
335 if ((pValue->x == x) && (pValue->y == y)) {
336 return TRUE;
337 }
338 pValue->x = x;
339 pValue->y = y;
340 }
341 else
342 {
343 if (pPrev)
344 {
345 pPrev->x = (int)pHps->viewportXExt;
346 pPrev->y = (int)pHps->viewportYExt;
347 }
348 pHps->viewportXExt = (double)x;
349 pHps->viewportYExt = (double)y;
350 }
351
352 if (pHps->MapMode == MM_ISOTROPIC_W)
353 {
354 double xExt = fabs(pHps->viewportXExt);
355 double yExt = fabs(pHps->viewportYExt);
356 double sf = fabs((double)pHps->windowExt.cx / pHps->windowExt.cy);
357
358 if (xExt > (yExt * sf))
359 {
360 xExt = yExt * sf;
361
362 if ((double)LONG_MAX <= xExt) return (result);
363
364 if (pHps->viewportXExt < 0.0)
365 pHps->viewportXExt = -xExt;
366 else
367 pHps->viewportXExt = xExt;
368 }
369 else
370 {
371 yExt = xExt / sf;
372
373 if ((double)LONG_MAX <= yExt) return (result);
374
375 if (pHps->viewportYExt < 0.0)
376 pHps->viewportYExt = -yExt;
377 else
378 pHps->viewportYExt = yExt;
379 }
380 }
381 result = setPageXForm(wnd, pHps);
382
383 return (result);
384}
385//******************************************************************************
386//******************************************************************************
387VOID removeClientArea(Win32BaseWindow *window, pDCData pHps)
388{
389 pHps->isClient = FALSE;
390 pHps->isClientArea = FALSE;
391}
392//******************************************************************************
393//******************************************************************************
394void selectClientArea(Win32BaseWindow *window, pDCData pHps)
395{
396 pHps->isClient = TRUE;
397 pHps->isClientArea = TRUE;
398}
399//******************************************************************************
400//******************************************************************************
401void selectClientArea(Win32BaseWindow *wnd, HDC hdc)
402{
403 pDCData pHps = (pDCData)GpiQueryDCData (wnd->getOwnDC());
404
405 if (pHps != NULLHANDLE)
406 selectClientArea(wnd, pHps);
407}
408//******************************************************************************
409//******************************************************************************
410LONG clientHeight(Win32BaseWindow *wnd, HWND hwnd, pDCData pHps)
411{
412 if ((hwnd == 0) && (pHps != 0))
413 hwnd = pHps->hwnd;
414
415 if ((hwnd != 0) || (pHps == 0))
416 {
417 if(wnd) {
418 if(pHps && !pHps->isClientArea) {
419 return (wnd->getWindowHeight());
420 }
421 else return (wnd->getClientHeight());
422 }
423 else return OSLibQueryScreenHeight();
424 }
425 else if (pHps->bitmapHandle)
426 {
427 return pHps->bitmapHeight;
428 }
429 else if (pHps->isMetaPS)
430 {
431 return 0;
432 }
433 else if (pHps->isPrinter)
434 {
435 return pHps->printPageHeight;
436 }
437 else
438 {
439 return MEM_HPS_MAX;
440 }
441}
442//******************************************************************************
443//******************************************************************************
444BOOL WIN32API changePageXForm(pDCData pHps, PPOINTL pValue, int x, int y, PPOINTL pPrev)
445{
446 Win32BaseWindow *wnd;
447
448 if(pHps->isClient) {
449 wnd = Win32BaseWindow::GetWindowFromOS2Handle(pHps->hwnd);
450 }
451 else wnd = Win32BaseWindow::GetWindowFromOS2FrameHandle(pHps->hwnd);
452 return changePageXForm(wnd, pHps, pValue, x, y, pPrev);
453}
454//******************************************************************************
455//******************************************************************************
456BOOL WIN32API setPageXForm(pDCData pHps)
457{
458 Win32BaseWindow *wnd;
459
460 if(pHps->isClient) {
461 wnd = Win32BaseWindow::GetWindowFromOS2Handle(pHps->hwnd);
462 }
463 else wnd = Win32BaseWindow::GetWindowFromOS2FrameHandle(pHps->hwnd);
464 return setPageXForm(wnd, pHps);
465}
466//******************************************************************************
467//******************************************************************************
468VOID WIN32API removeClientArea(pDCData pHps)
469{
470 Win32BaseWindow *wnd;
471
472 if(pHps->isClient) {
473 wnd = Win32BaseWindow::GetWindowFromOS2Handle(pHps->hwnd);
474 }
475 else wnd = Win32BaseWindow::GetWindowFromOS2FrameHandle(pHps->hwnd);
476 if(wnd) {
477 removeClientArea(wnd, pHps);
478 }
479}
480//******************************************************************************
481//******************************************************************************
482VOID WIN32API selectClientArea(pDCData pHps)
483{
484 Win32BaseWindow *wnd;
485
486 if(pHps->isClient) {
487 wnd = Win32BaseWindow::GetWindowFromOS2Handle(pHps->hwnd);
488 }
489 else wnd = Win32BaseWindow::GetWindowFromOS2FrameHandle(pHps->hwnd);
490 if(wnd) {
491 selectClientArea(wnd, pHps);
492 }
493}
494//******************************************************************************
495//******************************************************************************
496VOID WIN32API checkOrigin(pDCData pHps)
497{
498 Win32BaseWindow *wnd;
499
500 if(pHps->isClient) {
501 wnd = Win32BaseWindow::GetWindowFromOS2Handle(pHps->hwnd);
502 }
503 else wnd = Win32BaseWindow::GetWindowFromOS2FrameHandle(pHps->hwnd);
504 if(wnd) {
505 if(pHps->isClient)
506 selectClientArea(wnd, pHps);
507 }
508}
509//******************************************************************************
510//******************************************************************************
511LONG WIN32API clientHeight(HWND hwnd, pDCData pHps)
512{
513 Win32BaseWindow *wnd;
514
515 if(pHps->isClient) {
516 wnd = Win32BaseWindow::GetWindowFromOS2Handle(pHps->hwnd);
517 }
518 else wnd = Win32BaseWindow::GetWindowFromOS2FrameHandle(pHps->hwnd);
519 return clientHeight(wnd, hwnd, pHps);
520}
521//******************************************************************************
522//******************************************************************************
523int WIN32API setMapMode(pDCData pHps, int mode)
524{
525 Win32BaseWindow *wnd;
526
527 if(pHps->isClient) {
528 wnd = Win32BaseWindow::GetWindowFromOS2Handle(pHps->hwnd);
529 }
530 else wnd = Win32BaseWindow::GetWindowFromOS2FrameHandle(pHps->hwnd);
531 return setMapMode(wnd, pHps, mode);
532}
533//******************************************************************************
534//******************************************************************************
535BOOL isYup (pDCData pHps)
536{
537 if (((pHps->windowExt.cy < 0) && (pHps->viewportYExt > 0.0)) ||
538 ((pHps->windowExt.cy > 0) && (pHps->viewportYExt < 0.0)))
539 {
540 if ((pHps->graphicsMode == GM_COMPATIBLE_W) ||
541 ((pHps->graphicsMode == GM_ADVANCED_W) && (pHps->xform.eM22 >= 0.0)))
542 return TRUE;
543 }
544 else
545 {
546 if ((pHps->graphicsMode == GM_ADVANCED_W) && (pHps->xform.eM22 < 0.0))
547 return TRUE;
548 }
549 return FALSE;
550}
551//******************************************************************************
552//******************************************************************************
553INT revertDy (Win32BaseWindow *wnd, INT dy)
554{
555 //SvL: Hack for memory.exe (doesn't get repainted properly otherwise)
556// if (wnd->isOwnDC() && wnd->getOwnDC())
557 if (wnd->isOwnDC())
558 {
559 pDCData pHps = (pDCData)GpiQueryDCData (wnd->getOwnDC());
560
561 if (pHps != NULLHANDLE)
562 if (!isYup (pHps))
563 dy = -dy;
564 }
565 else
566 {
567 dy = -dy;
568 }
569 return (dy);
570}
571//******************************************************************************
572//******************************************************************************
573HDC sendEraseBkgnd (Win32BaseWindow *wnd)
574{
575 BOOL erased;
576 HWND hwnd;
577 HDC hdc;
578 HPS hps;
579 HRGN hrgnUpdate, hrgnOld, hrgnClip, hrgnCombined;
580 RECTL rectl = { 1, 1, 2, 2 };
581
582 hwnd = wnd->getOS2WindowHandle();
583 hps = WinGetPS(hwnd);
584
585 hrgnUpdate = GpiCreateRegion (hps, 1, &rectl);
586 WinQueryUpdateRegion (hwnd, hrgnUpdate);
587 hrgnClip = GpiQueryClipRegion (hps);
588
589 if (hrgnClip == NULLHANDLE)
590 {
591 GpiSetClipRegion (hps, hrgnUpdate, &hrgnOld);
592 }
593 else
594 {
595 hrgnCombined = GpiCreateRegion (hps, 1, &rectl);
596 GpiCombineRegion (hps, hrgnCombined, hrgnClip, hrgnUpdate, CRGN_AND);
597 GpiSetClipRegion (hps, hrgnCombined, &hrgnOld);
598 GpiDestroyRegion (hps, hrgnUpdate);
599 GpiDestroyRegion (hps, hrgnClip);
600 }
601 if (hrgnOld != NULLHANDLE)
602 GpiDestroyRegion (hps, hrgnOld);
603
604 hdc = HPSToHDC (hwnd, hps, NULL, NULL);
605
606 erased = wnd->MsgEraseBackGround (hdc);
607
608 DeleteHDC (hdc);
609 WinReleasePS (hps);
610
611 return erased;
612}
613//******************************************************************************
614//******************************************************************************
615void releaseOwnDC (HDC hps)
616{
617 pDCData pHps = (pDCData)GpiQueryDCData ((HPS)hps);
618
619 dprintf2(("releaseOwnDC %x", hps));
620
621 if (pHps) {
622 if (pHps->hrgnHDC)
623 GpiDestroyRegion (pHps->hps, pHps->hrgnHDC);
624
625 GpiSetBitmap (pHps->hps, NULL);
626 O32_DeleteObject (pHps->nullBitmapHandle);
627 GpiDestroyPS(pHps->hps);
628
629 if (pHps->hdc)
630 DevCloseDC(pHps->hdc);
631 }
632}
633//******************************************************************************
634//******************************************************************************
635HDC WIN32API BeginPaint (HWND hWnd, PPAINTSTRUCT_W lpps)
636{
637 HWND hwnd = hWnd ? hWnd : HWND_DESKTOP;
638 pDCData pHps = NULLHANDLE;
639 HPS hPS_ownDC = NULLHANDLE, hpsPaint = 0;
640 RECTL rectl = {0, 0, 1, 1};
641 HRGN hrgnOldClip;
642 LONG lComplexity;
643 RECTL rectlClient;
644 RECTL rectlClip;
645
646 if(lpps == NULL) {
647 //BeginPaint does NOT change last error in this case
648 //(verified in NT4, SP6)
649 dprintf (("USER32: BeginPaint %x NULL PAINTSTRUCT pointer", hWnd));
650 return 0;
651 }
652 memset(lpps, 0, sizeof(*lpps));
653
654 Win32BaseWindow *wnd = Win32BaseWindow::GetWindowFromHandle(hwnd);
655 if(!wnd) {
656 dprintf (("USER32: BeginPaint %x %x: invalid window handle!!", hWnd, lpps));
657 SetLastError(ERROR_INVALID_WINDOW_HANDLE_W); //(verified in NT4, SP6)
658 return (HDC)0;
659 }
660 HWND hwndClient = wnd->getOS2WindowHandle();
661
662 if(hwnd != HWND_DESKTOP && wnd->isOwnDC())
663 {
664 hPS_ownDC = wnd->getOwnDC();
665 //SvL: Hack for memory.exe (doesn't get repainted properly otherwise)
666 if(hPS_ownDC) {
667 pHps = (pDCData)GpiQueryDCData(hPS_ownDC);
668 if (!pHps)
669 {
670 dprintf (("USER32: BeginPaint %x invalid parameter %x", hWnd, lpps));
671 SetLastError(ERROR_INVALID_PARAMETER_W);
672 return (HDC)NULLHANDLE;
673 }
674 hpsPaint = hPS_ownDC;
675 }
676 }
677 if(!hpsPaint) {
678 hpsPaint = GetDCEx(hwnd, 0, (DCX_CACHE_W|DCX_USESTYLE_W));
679 pHps = (pDCData)GpiQueryDCData(hpsPaint);
680 if (!pHps)
681 {
682 dprintf (("USER32: BeginPaint %x invalid parameter %x", hWnd, lpps));
683 SetLastError(ERROR_INVALID_PARAMETER_W);
684 return (HDC)NULLHANDLE;
685 }
686 }
687
688 if(WinQueryUpdateRect(hwndClient, &rectl) == FALSE)
689 {
690 memset(&rectl, 0, sizeof(rectl));
691 dprintf (("USER32: WARNING: WinQueryUpdateRect failed (error or no update rectangle)!!"));
692
693 HRGN hrgnClip = GpiCreateRegion(pHps->hps, 1, &rectl);
694 GpiSetClipRegion(pHps->hps, hrgnClip, &hrgnOldClip);
695
696 selectClientArea(wnd, pHps);
697
698 //save old clip region (restored for CS_OWNDC windows in EndPaint)
699 wnd->SetClipRegion(hrgnOldClip);
700 lComplexity = RGN_NULL;
701 }
702 else {
703 rectlClip.yBottom = rectlClip.xLeft = 0;
704 rectlClip.yTop = rectlClip.xRight = 1;
705
706 //Query update region
707 HRGN hrgnClip = GpiCreateRegion(pHps->hps, 1, &rectlClip);
708 WinQueryUpdateRegion(hwndClient, hrgnClip);
709 WinValidateRegion(hwndClient, hrgnClip, FALSE);
710
711 dprintfRegion(pHps->hps, wnd->getWindowHandle(), hrgnClip);
712
713#ifdef DEBUG
714 lComplexity = GpiQueryClipBox(pHps->hps, &rectlClip);
715 dprintf(("ClipBox (%d): (%d,%d)(%d,%d)", lComplexity, rectlClip.xLeft, rectlClip.yBottom, rectlClip.xRight, rectlClip.yTop));
716#endif
717
718 //set clip region
719 lComplexity = GpiSetClipRegion(pHps->hps, hrgnClip, &hrgnOldClip);
720
721 if(lComplexity == RGN_NULL) {
722 dprintf (("BeginPaint %x: EMPTY update rectangle (show=%d/%d vis=%d/%d", hWnd, WinIsWindowVisible(wnd->getOS2FrameWindowHandle()), WinIsWindowVisible(wnd->getOS2WindowHandle()), WinIsWindowShowing(wnd->getOS2FrameWindowHandle()), WinIsWindowShowing(wnd->getOS2WindowHandle())));
723 }
724 selectClientArea(wnd, pHps);
725
726#ifdef DEBUG
727 GpiQueryClipBox(pHps->hps, &rectlClip);
728 dprintf(("ClipBox (%d): (%d,%d)(%d,%d)", lComplexity, rectlClip.xLeft, rectlClip.yBottom, rectlClip.xRight, rectlClip.yTop));
729#endif
730 //save old clip region (restored for CS_OWNDC windows in EndPaint)
731 wnd->SetClipRegion(hrgnOldClip);
732 }
733
734 if(hPS_ownDC == 0)
735 setMapMode (wnd, pHps, MM_TEXT_W);
736 else
737 setPageXForm(wnd, pHps);
738
739 pHps->hdcType = TYPE_3;
740
741 HideCaret(hwnd);
742 WinShowTrackRect(wnd->getOS2WindowHandle(), FALSE);
743
744 if((wnd->needsEraseBkgnd() || wnd->IsVisibleRegionChanged()) && lComplexity != RGN_NULL) {
745 wnd->setEraseBkgnd(FALSE);
746 wnd->SetVisibleRegionChanged(FALSE);
747 lpps->fErase = (wnd->MsgEraseBackGround(pHps->hps) == 0);
748 }
749 else lpps->fErase = TRUE;
750
751 lpps->hdc = (HDC)pHps->hps;
752
753 if(lComplexity != RGN_NULL) {
754 long height = wnd->getClientHeight();
755 lpps->rcPaint.top = height - rectl.yTop;
756 lpps->rcPaint.left = rectl.xLeft;
757 lpps->rcPaint.bottom = height - rectl.yBottom;
758 lpps->rcPaint.right = rectl.xRight;
759 }
760 else {
761 lpps->rcPaint.bottom = lpps->rcPaint.top = 0;
762 lpps->rcPaint.right = lpps->rcPaint.left = 0;
763 }
764
765 SetLastError(0);
766 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));
767 return (HDC)pHps->hps;
768}
769//******************************************************************************
770//******************************************************************************
771BOOL WIN32API EndPaint (HWND hWnd, const PAINTSTRUCT_W *pPaint)
772{
773 HWND hwnd = hWnd ? hWnd : HWND_DESKTOP;
774 HRGN hrgnOld;
775 pDCData pHps;
776
777 dprintf (("USER32: EndPaint(%x)", hwnd));
778
779 if (!pPaint || !pPaint->hdc )
780 return TRUE;
781
782 Win32BaseWindow *wnd = Win32BaseWindow::GetWindowFromHandle(hwnd);
783
784 if (!wnd) goto exit;
785
786 pHps = (pDCData)GpiQueryDCData((HPS)pPaint->hdc);
787 if (pHps && (pHps->hdcType == TYPE_3))
788 {
789 GpiSetClipRegion(pHps->hps, wnd->GetClipRegion(), &hrgnOld);
790 wnd->SetClipRegion(0);
791 if(hrgnOld) {
792 GpiDestroyRegion(pHps->hps, hrgnOld);
793 }
794 pHps->hdcType = TYPE_1; //otherwise Open32's ReleaseDC fails
795 ReleaseDC(hwnd, pPaint->hdc);
796 }
797 else {
798 dprintf(("EndPaint: wrong hdc %x!!", pPaint->hdc));
799 }
800 wnd->setEraseBkgnd(TRUE);
801 ShowCaret(hwnd);
802 WinShowTrackRect(wnd->getOS2WindowHandle(), TRUE);
803
804exit:
805 SetLastError(0);
806 return TRUE;
807}
808//******************************************************************************
809//******************************************************************************
810int WIN32API ReleaseDC (HWND hwnd, HDC hdc)
811{
812 BOOL isOwnDC = FALSE;
813 int rc;
814
815 if (hwnd)
816 {
817 Win32BaseWindow *wnd = Win32BaseWindow::GetWindowFromHandle (hwnd);
818 if(wnd == NULL) {
819 dprintf(("ERROR: ReleaseDC %x %x failed", hwnd, hdc));
820 return 0;
821 }
822 isOwnDC = wnd->isOwnDC() && (wnd->getOwnDC() == hdc);
823 if(!isOwnDC)
824 {
825 pDCData pHps = (pDCData)GpiQueryDCData((HPS)hdc);
826 if(pHps && pHps->psType == MICRO_CACHED) {
827 removeClientArea(wnd, pHps);
828 if(pHps->hrgnVis) {
829 GreDestroyRegion(pHps->hps, pHps->hrgnVis);
830 pHps->hrgnVis = 0;
831 }
832 }
833 else {
834 dprintf(("ERROR: ReleaseDC: pHps == NULL!!"));
835 DebugInt3();
836 }
837 }
838 else {
839 dprintf2(("ReleaseDC: CS_OWNDC, not released"));
840 }
841 }
842
843 if(isOwnDC) {
844 rc = TRUE;
845 }
846 else {
847 UnselectGDIObjects(hdc);
848 rc = O32_ReleaseDC (0, hdc);
849 }
850
851 dprintf(("ReleaseDC %x %x", hwnd, hdc));
852 return (rc);
853}
854//******************************************************************************
855// This implementation of GetDCEx supports
856// DCX_WINDOW
857// DCX_CACHE
858// DCX_EXCLUDERGN (complex regions allowed)
859// DCX_INTERSECTRGN (complex regions allowed)
860// DCX_USESTYLE
861// DCX_CLIPSIBLINGS
862// DCX_CLIPCHILDREN
863// DCX_PARENTCLIP
864//
865//TODO: WM_SETREDRAW affects drawingAllowed flag!!
866//******************************************************************************
867HDC WIN32API GetDCEx (HWND hwnd, HRGN hrgn, ULONG flags)
868{
869 Win32BaseWindow *wnd = NULL;
870 HWND hWindow;
871 BOOL success;
872 pDCData pHps = NULL;
873 HPS hps = NULLHANDLE;
874 BOOL drawingAllowed = TRUE;
875 BOOL isWindowOwnDC;
876 BOOL creatingOwnDC = FALSE;
877 PS_Type psType;
878
879 if(hwnd == 0) {
880 dprintf(("error: GetDCEx window %x not found", hwnd));
881 SetLastError(ERROR_INVALID_WINDOW_HANDLE_W);
882 return 0;
883 }
884
885 if(hwnd)
886 {
887 wnd = Win32BaseWindow::GetWindowFromHandle(hwnd);
888 if(wnd == NULL) {
889 dprintf (("ERROR: User32: GetDCEx bad window handle %X!!!!!", hwnd));
890 SetLastError(ERROR_INVALID_WINDOW_HANDLE_W);
891 return 0;
892 }
893 if(flags & DCX_WINDOW_W) {
894 hWindow = wnd->getOS2FrameWindowHandle();
895 }
896 else hWindow = wnd->getOS2WindowHandle();
897 }
898
899 isWindowOwnDC = (((hWindow == HWND_DESKTOP) ? FALSE : (wnd->isOwnDC()))
900 && !(flags & (DCX_CACHE_W|DCX_WINDOW_W)));
901
902 if(isWindowOwnDC) //own dc always for client area
903 {
904 hps = wnd->getOwnDC();
905 if (hps)
906 {
907 pDCData pHps = (pDCData)GpiQueryDCData (hps);
908 if (!pHps)
909 goto error;
910
911 selectClientArea(wnd, pHps);
912
913 //TODO: Is this always necessary??
914 setPageXForm (wnd, pHps);
915 pHps->hdcType = TYPE_1;
916
917 //TODO: intersect/exclude clip region?
918 dprintf (("User32: GetDCEx hwnd %x (%x %x) -> wnd %x hdc %x", hwnd, hrgn, flags, wnd, hps));
919 return (HDC)hps;
920 }
921 else creatingOwnDC = TRUE;
922 }
923
924 if(isWindowOwnDC)
925 {
926 SIZEL sizel = {0,0};
927 hps = GpiCreatePS (WinQueryAnchorBlock (hWindow),
928 WinOpenWindowDC (hWindow),
929 &sizel, PU_PELS | GPIT_MICRO | GPIA_ASSOC );
930 psType = MICRO;
931 // default cp is OS/2 one: set to windows default (ODIN.INI)
932 GpiSetCp(hps, GetDisplayCodepage());
933 }
934 else
935 {
936 if (hWindow == HWND_DESKTOP) {
937 hps = WinGetScreenPS (hWindow);
938 }
939 else {
940 int clipstyle = 0;
941 int clipwnd = HWND_TOP;
942 if(flags & (DCX_USESTYLE_W)) {
943 int style = wnd->getStyle();
944 if(style & WS_CLIPCHILDREN_W) {
945 clipstyle |= PSF_CLIPCHILDREN;
946 }
947 if(style & WS_CLIPSIBLINGS_W) {
948 clipstyle |= PSF_CLIPSIBLINGS;
949 }
950 if(wnd->fHasParentDC()) {
951 clipstyle |= PSF_PARENTCLIP;
952 }
953 }
954 if(flags & DCX_CLIPSIBLINGS_W) {
955 clipstyle |= PSF_CLIPSIBLINGS;
956 }
957 if(flags & DCX_CLIPCHILDREN_W) {
958 clipstyle |= PSF_CLIPCHILDREN;
959 }
960 if(flags & DCX_PARENTCLIP_W) {
961 clipstyle |= PSF_PARENTCLIP;
962 }
963 if(clipstyle) {
964 dprintf2(("WinGetClipPS style %x", clipstyle));
965 hps = WinGetClipPS(hWindow, clipwnd, clipstyle);
966 }
967 else hps = WinGetPS (hWindow);
968
969 // default cp is OS/2 one: set to windows default (ODIN.INI)
970 GpiSetCp(hps, GetDisplayCodepage());
971 }
972 psType = MICRO_CACHED;
973 }
974
975 if (!hps)
976 goto error;
977
978 HPSToHDC (hWindow, hps, NULL, NULL);
979 pHps = (pDCData)GpiQueryDCData (hps);
980
981 if(flags & DCX_WINDOW_W) {
982 removeClientArea(wnd, pHps);
983 }
984 else selectClientArea(wnd, pHps);
985
986 setMapMode(wnd, pHps, MM_TEXT_W);
987
988 if ((flags & DCX_EXCLUDERGN_W) || (flags & DCX_INTERSECTRGN_W))
989 {
990 ULONG BytesNeeded;
991 PRGNDATA RgnData;
992 PRECT pr;
993 int i;
994 RECTL rectl;
995
996 if (!hrgn)
997 goto error;
998
999 success = TRUE;
1000 if (flags & DCX_EXCLUDERGN_W)
1001 {
1002#if 0 //CB: todo
1003 long height;
1004
1005 BytesNeeded = GetRegionData (hrgn, 0, NULL);
1006 RgnData = (PRGNDATA_W)_alloca (BytesNeeded);
1007 if (RgnData == NULL)
1008 goto error;
1009 GetRegionData (hrgn, BytesNeeded, RgnData);
1010
1011 i = RgnData->rdh.nCount;
1012 pr = (PRECT)(RgnData->Buffer);
1013
1014 if (flags & DCX_WINDOW_W)
1015 height = wnd->getWindowHeight();
1016 else height = wnd->getClientHeight();
1017
1018 for (; (i > 0) && success; i--, pr++) {
1019 LONG y = pr->yBottom;
1020
1021 pr->yBottom = height - pr->yTop;
1022 pr->yTop = height - y;
1023 success &= GpiExcludeClipRectangle (pHps->hps, pr);
1024 }
1025#endif
1026 }
1027 else //DCX_INTERSECTRGN_W
1028 {
1029 //SvL: I'm getting paint problems when clipping a dc created in GetDCEx
1030 // with a region that covers the entire window (RealPlayer 7 Update 1)
1031 // Using SelectClipRgn here doesn't make any difference.
1032 if(ExtSelectClipRgn(pHps->hps, hrgn, RGN_AND_W) == ERROR_W) {
1033 dprintf(("ExtSelectClipRgn failed!!"));
1034 }
1035 }
1036 if (!success)
1037 goto error;
1038 }
1039
1040 if (creatingOwnDC)
1041 wnd->setOwnDC ((HDC)hps);
1042
1043 pHps->psType = psType;
1044 pHps->hdcType = TYPE_1;
1045 //TODO: WM_SETREDRAW affects drawingAllowed flag!!
1046 GpiSetDrawControl (hps, DCTL_DISPLAY, drawingAllowed ? DCTL_ON : DCTL_OFF);
1047
1048 dprintf (("User32: GetDCEx hwnd %x (%x %x) -> hdc %x", hwnd, hrgn, flags, pHps->hps));
1049 return (HDC)pHps->hps;
1050
1051error:
1052 /* Something went wrong; clean up
1053 */
1054 dprintf(("ERROR: GetDCEx hwnd %x (%x %x) FAILED!", hwnd, hrgn, flags));
1055 DebugInt3();
1056 if (pHps)
1057 {
1058 if (pHps->hps)
1059 {
1060 if(pHps->psType == MICRO_CACHED)
1061 WinReleasePS(pHps->hps);
1062 else
1063 GpiDestroyPS(pHps->hps);
1064 }
1065
1066 if (pHps->hdc) DevCloseDC(pHps->hdc);
1067 if (pHps->hrgnHDC) GpiDestroyRegion(pHps->hps, pHps->hrgnHDC);
1068
1069 O32_DeleteObject (pHps->nullBitmapHandle);
1070 }
1071 SetLastError(ERROR_INVALID_PARAMETER_W);
1072 return NULL;
1073}
1074//******************************************************************************
1075//******************************************************************************
1076HDC WIN32API GetDC (HWND hwnd)
1077{
1078 if(!hwnd)
1079 return GetDCEx( GetDesktopWindow(), 0, DCX_CACHE_W | DCX_WINDOW_W );
1080
1081 return GetDCEx (hwnd, NULL, 0);
1082}
1083//******************************************************************************
1084//******************************************************************************
1085HDC WIN32API GetWindowDC (HWND hwnd)
1086{
1087 if (!hwnd) hwnd = GetDesktopWindow();
1088 return GetDCEx (hwnd, NULL, DCX_WINDOW_W);
1089}
1090//******************************************************************************
1091//Helper for RedrawWindow (RDW_ALLCHILDREN_W)
1092//******************************************************************************
1093LRESULT WIN32API RedrawChildEnumProc(HWND hwnd, LPARAM lParam)
1094{
1095 RedrawWindow(hwnd, NULL, 0, lParam);
1096 return TRUE;
1097}
1098//******************************************************************************
1099// This implementation of RedrawWindow supports
1100// RDW_ERASE
1101// RDW_NOERASE
1102// RDW_INTERNALPAINT
1103// RDW_NOINTERNALPAINT
1104// RDW_INVALIDATE
1105// RDW_VALIDATE
1106// RDW_ERASENOW
1107// RDW_UPDATENOW
1108// RDW_FRAME
1109//
1110//TODO: Works ok for RDW_FRAME??
1111// SDK docs say RDW_FRAME is only valid for RDW_INVALIDATE...
1112//******************************************************************************
1113BOOL WIN32API RedrawWindow(HWND hwnd, const RECT* pRect, HRGN hrgn, DWORD redraw)
1114{
1115 Win32BaseWindow *wnd;
1116
1117 if(pRect) {
1118 dprintf(("RedrawWindow %x (%d,%d)(%d,%d) %x %x", hwnd, pRect->left, pRect->top, pRect->right, pRect->bottom, hrgn, redraw));
1119 }
1120 else dprintf(("RedrawWindow %x %x %x %x", hwnd, pRect, hrgn, redraw));
1121
1122 if (hwnd == NULLHANDLE)
1123 {
1124#if 1
1125 // Don't do this for now (causes lots of desktop repaints in WordPad)
1126 SetLastError(ERROR_INVALID_PARAMETER_W);
1127 return FALSE;
1128#else
1129 hwnd = HWND_DESKTOP;
1130 wnd = Win32BaseWindow::GetWindowFromOS2Handle(OSLIB_HWND_DESKTOP);
1131
1132 if (!wnd)
1133 {
1134 dprintf(("USER32:dc: RedrawWindow can't find desktop window %08xh\n",
1135 hwnd));
1136 SetLastError(ERROR_INVALID_PARAMETER_W);
1137 return FALSE;
1138 }
1139#endif
1140 }
1141 else
1142 {
1143 wnd = Win32BaseWindow::GetWindowFromHandle (hwnd);
1144
1145 if (!wnd)
1146 {
1147 dprintf(("USER32:dc: RedrawWindow can't find window %08xh\n",
1148 hwnd));
1149 SetLastError(ERROR_INVALID_PARAMETER_W);
1150 return FALSE;
1151 }
1152 if(redraw & RDW_FRAME_W) {
1153 hwnd = wnd->getOS2FrameWindowHandle();
1154 }
1155 else hwnd = wnd->getOS2WindowHandle();
1156 }
1157
1158 BOOL IncludeChildren = (redraw & RDW_ALLCHILDREN_W) ? TRUE : FALSE;
1159 BOOL success = TRUE;
1160 HPS hpsTemp = NULLHANDLE;
1161 HRGN hrgnTemp = NULLHANDLE;
1162 RECTL rectl;
1163
1164 if (hrgn)
1165 {
1166 ULONG BytesNeeded;
1167 PRGNDATA RgnData;
1168 PRECTL pr;
1169 int i;
1170 LONG height;
1171
1172 if(wnd) {
1173 height = (redraw & RDW_FRAME_W) ? wnd->getWindowHeight() : wnd->getClientHeight();
1174 }
1175 else height = OSLibQueryScreenHeight();
1176
1177 if (!hrgn)
1178 goto error;
1179
1180 BytesNeeded = GetRegionData (hrgn, 0, NULL);
1181 RgnData = (PRGNDATA)_alloca (BytesNeeded);
1182 if (RgnData == NULL)
1183 goto error;
1184 GetRegionData (hrgn, BytesNeeded, RgnData);
1185
1186 pr = (PRECTL)(RgnData->Buffer);
1187 for (i = RgnData->rdh.nCount; i > 0; i--, pr++) {
1188 LONG temp = pr->yTop;
1189 pr->yTop = height - pr->yBottom;
1190 pr->yBottom = height - temp;
1191 dprintf2(("RedrawWindow: region (%d,%d) (%d,%d)", pr->xLeft, pr->yBottom, pr->xRight, pr->yTop));
1192 }
1193
1194 hpsTemp = WinGetScreenPS (HWND_DESKTOP);
1195 hrgnTemp = GpiCreateRegion (hpsTemp, RgnData->rdh.nCount, (PRECTL)(RgnData->Buffer));
1196 if (!hrgnTemp) goto error;
1197 }
1198 else if (pRect)
1199 {
1200 if(wnd) {
1201 if(redraw & RDW_FRAME_W) {
1202 mapWin32ToOS2Rect(wnd->getWindowHeight(), (PRECT)pRect, (PRECTLOS2)&rectl);
1203 }
1204 else mapWin32ToOS2Rect(wnd->getClientHeight(), (PRECT)pRect, (PRECTLOS2)&rectl);
1205 }
1206 else mapWin32ToOS2Rect(OSLibQueryScreenHeight(), (PRECT)pRect, (PRECTLOS2)&rectl);
1207 }
1208
1209 if (redraw & RDW_INVALIDATE_W)
1210 {
1211 //TODO: SvL: pingpong.exe doesn't have RDW_NOERASE, but doesn't want WM_ERASEBKGND msgs
1212 if (redraw & RDW_ERASE_W) {
1213 wnd->setEraseBkgnd(TRUE);
1214 }
1215 else wnd->setEraseBkgnd(FALSE);
1216
1217 if (!pRect && !hrgn)
1218 success = WinInvalidateRect (hwnd, NULL, IncludeChildren);
1219 else
1220 if (hrgn) {
1221 success = WinInvalidateRegion (hwnd, hrgnTemp, IncludeChildren);
1222 if(IncludeChildren && WinQueryUpdateRect(hwnd, NULL) == FALSE) {
1223 dprintf(("WARNING: WinQueryUpdateRect %x region %x returned false even though we just invalidated part of a window!!!", hwnd, hrgnTemp));
1224 success = success = WinInvalidateRegion (hwnd, hrgnTemp, FALSE);
1225 }
1226 }
1227 else {
1228 dprintf2(("WinInvalidateRect (%d,%d)(%d,%d)", rectl.xLeft, rectl.yBottom, rectl.xRight, rectl.yTop));
1229 success = WinInvalidateRect (hwnd, &rectl, IncludeChildren);
1230//SvL: If all children are included, then WinInvalidateRect is called
1231// with fIncludeChildren=1 -> rect of hwnd isn't invalidated if child(ren)
1232// overlap(s) the specified rectangle completely (EVEN if window doesn't
1233// have WS_CLIPCHILREN!)
1234// -> example: XWing vs Tie Fighter install window
1235// WinInvalidateRect with fIncludeChildren=0 invalidates both the parent
1236// and child windows
1237//SvL: Can't always set fIncludeChildren to FALSE or else some controls in
1238// the RealPlayer setup application aren't redrawn when invalidating
1239// their parent
1240// SO: Check if IncludeChildren is set and part of the window is invalid
1241// If not -> call WinInvalidateRect with IncludeChildren=0 to force
1242// the window rectangle to be invalidated
1243//
1244 if(IncludeChildren && WinQueryUpdateRect(hwnd, NULL) == FALSE) {
1245 dprintf(("WARNING: WinQueryUpdateRect %x (%d,%d)(%d,%d) returned false even though we just invalidated part of a window!!!", hwnd, rectl.xLeft, rectl.yBottom, rectl.xRight, rectl.yTop));
1246 success = WinInvalidateRect (hwnd, &rectl, FALSE);
1247 }
1248 }
1249
1250 if (!success) goto error;
1251 }
1252 else if (redraw & RDW_VALIDATE_W)
1253 {
1254 if (redraw & RDW_NOERASE_W)
1255 wnd->setEraseBkgnd(FALSE);
1256
1257 if (WinQueryUpdateRect (hwnd, NULL))
1258 {
1259 if(!pRect && !hrgn) {
1260 success = WinValidateRect (hwnd, NULL, IncludeChildren);
1261 }
1262 else
1263 if(hrgn) {
1264 success = WinValidateRegion (hwnd, hrgnTemp, IncludeChildren);
1265 }
1266 else {
1267 success = WinValidateRect (hwnd, &rectl, IncludeChildren);
1268 }
1269 if(!success) goto error;
1270 }
1271 }
1272
1273 if(WinQueryUpdateRect(hwnd, &rectl))
1274 {
1275 //TODO: Does this work if RDW_ALLCHILDREN is set??
1276 if(redraw & RDW_UPDATENOW_W) {
1277 RECT rectUpdate;
1278
1279 if(redraw & RDW_FRAME_W) {
1280 mapOS2ToWin32Rect(wnd->getWindowHeight(), (PRECTLOS2)&rectl, &rectUpdate);
1281 wnd->MsgNCPaint(&rectUpdate);
1282 }
1283
1284 wnd->MsgPaint(0, FALSE);
1285 }
1286 else
1287// if((redraw & RDW_ERASE_W) && (redraw & RDW_ERASENOW_W))
1288 if(redraw & RDW_ERASENOW_W && wnd->needsEraseBkgnd())
1289 wnd->setEraseBkgnd(sendEraseBkgnd(wnd) == 0);
1290// if(redraw & RDW_ALLCHILDREN_W) {
1291// EnumChildWindows(wnd->getWindowHandle(), RedrawChildEnumProc, redraw);
1292// }
1293 }
1294 else if((redraw & RDW_INTERNALPAINT_W) && !(redraw & RDW_INVALIDATE_W))
1295 {
1296 if(redraw & RDW_UPDATENOW_W) {
1297 wnd->MsgPaint(0, FALSE);
1298 }
1299 else PostMessageA(hwnd, WINWM_PAINT, 0, 0);
1300 }
1301
1302error:
1303 /* clean up */
1304 if (hrgnTemp)
1305 GpiDestroyRegion (hpsTemp, hrgnTemp);
1306
1307 if (hpsTemp)
1308 WinReleasePS (hpsTemp);
1309
1310 if (!success) {
1311 dprintf(("RedrawWindow failure!"));
1312 SetLastError(ERROR_INVALID_PARAMETER_W);
1313 }
1314 return (success);
1315}
1316//******************************************************************************
1317//******************************************************************************
1318BOOL WIN32API UpdateWindow (HWND hwnd)
1319{
1320 Win32BaseWindow *wnd = Win32BaseWindow::GetWindowFromHandle (hwnd);
1321 RECTL rectl;
1322 BOOL rc;
1323
1324 if(!wnd) {
1325 dprintf (("ERROR: User32: UpdateWindow INVALID hwnd %x", hwnd));
1326 SetLastError(ERROR_INVALID_WINDOW_HANDLE_W);
1327 return FALSE;
1328 }
1329
1330#ifdef DEBUG
1331 if(WinQueryUpdateRect(wnd->getOS2WindowHandle(), &rectl))
1332 {
1333 RECT rectUpdate;
1334 mapOS2ToWin32Rect(wnd->getClientHeight(), (PRECTLOS2)&rectl, &rectUpdate);
1335
1336 dprintf (("User32: UpdateWindow hwnd %x: update rectangle (%d,%d)(%d,%d)", hwnd, rectUpdate.left, rectUpdate.top, rectUpdate.right, rectUpdate.bottom));
1337 }
1338 else dprintf (("User32: UpdateWindow hwnd %x; EMPTY update rectangle (vis=%d/%d, show=%d/%d)", hwnd, WinIsWindowVisible(wnd->getOS2FrameWindowHandle()), WinIsWindowVisible(wnd->getOS2WindowHandle()), WinIsWindowShowing(wnd->getOS2FrameWindowHandle()), WinIsWindowShowing(wnd->getOS2WindowHandle())));
1339#endif
1340 //SvL: This doesn't work right (Wine uses RDW_NOCHILDREN_W -> doesn't work here)
1341 // Breaks vpbuddy
1342 //rc = RedrawWindow(hwnd, NULL, 0, RDW_UPDATENOW_W | RDW_ALLCHILDREN_W);
1343 // -> RDW_UPDATENOW causes WM_PAINT messages to be directy posted to window
1344 // handler; possibly bypassing queued WM_PAINT messages for parent window(s)
1345 // -> out of sync painting (i.e. parent paints over child)
1346
1347// if(!WinIsWindowShowing(wnd->getOS2FrameWindowHandle()) || !WinIsWindowShowing(wnd->getOS2WindowHandle())) {
1348// dprintf(("UpdateWindow: window not showing %d/%d", WinIsWindowShowing(wnd->getOS2FrameWindowHandle()), WinIsWindowShowing(wnd->getOS2WindowHandle()) ));
1349// return FALSE;
1350// }
1351 //Must use frame window here. If the frame window has a valid update region and we call
1352 //WinUpdateWindow for the client window, then no WM_PAINT messages will be sent.
1353 rc = WinUpdateWindow(wnd->getOS2FrameWindowHandle());
1354#ifdef DEBUG
1355 if(WinQueryUpdateRect(wnd->getOS2WindowHandle(), NULL))
1356 {
1357 //if parent has valid update region then WinUpdateWindow will still fail..
1358 //might be harmless and happen even in windows
1359 dprintf (("ERROR: User32: UpdateWindow didn't send WM_PAINT messages!!"));
1360 }
1361#endif
1362 return rc;
1363}
1364//******************************************************************************
1365//******************************************************************************
1366BOOL WIN32API ValidateRect( HWND hwnd, const RECT * lprc)
1367{
1368 if(lprc) {
1369 dprintf(("USER32: ValidateRect %x (%d,%d)(%d,%d)", hwnd, lprc->left, lprc->top, lprc->right, lprc->bottom));
1370 }
1371 else dprintf(("USER32: ValidateRect %x", hwnd));
1372
1373 return RedrawWindow( hwnd, lprc, 0, RDW_VALIDATE_W | RDW_NOCHILDREN_W | (hwnd==0 ? RDW_UPDATENOW_W : 0));
1374}
1375//******************************************************************************
1376//******************************************************************************
1377BOOL WIN32API ValidateRgn( HWND hwnd, HRGN hrgn)
1378{
1379 dprintf(("USER32: ValidateRgn %x %x", hwnd, hrgn));
1380 return RedrawWindow( hwnd, NULL, hrgn, RDW_VALIDATE_W | RDW_NOCHILDREN_W | (hwnd==0 ? RDW_UPDATENOW_W : 0));
1381}
1382//******************************************************************************
1383//******************************************************************************
1384BOOL WIN32API InvalidateRect (HWND hwnd, const RECT *pRect, BOOL erase)
1385{
1386 BOOL result;
1387
1388 if(pRect) {
1389 dprintf(("InvalidateRect %x (%d,%d)(%d,%d) erase=%d", hwnd, pRect->left, pRect->top, pRect->right, pRect->bottom, erase));
1390 }
1391 else dprintf(("InvalidateRect %x NULL erase=%d", hwnd, erase));
1392#if 1
1393 result = RedrawWindow (hwnd, pRect, NULLHANDLE,
1394 RDW_INVALIDATE_W |
1395 (erase ? RDW_ERASE_W : 0) |
1396 (hwnd == NULLHANDLE ? RDW_UPDATENOW_W : 0));
1397#else
1398 result = RedrawWindow (hwnd, pRect, NULLHANDLE,
1399 RDW_ALLCHILDREN_W | RDW_INVALIDATE_W |
1400 (erase ? RDW_ERASE_W : RDW_NOERASE_W) |
1401 (hwnd == NULLHANDLE ? RDW_UPDATENOW_W : 0));
1402#endif
1403 return (result);
1404}
1405//******************************************************************************
1406//******************************************************************************
1407BOOL WIN32API InvalidateRgn (HWND hwnd, HRGN hrgn, BOOL erase)
1408{
1409 BOOL result;
1410
1411 dprintf(("InvalidateRgn %x %x erase=%d", hwnd, hrgn, erase));
1412#if 1
1413 result = RedrawWindow (hwnd, NULL, hrgn,
1414 RDW_INVALIDATE_W |
1415 (erase ? RDW_ERASE_W : 0) |
1416 (hwnd == NULLHANDLE ? RDW_UPDATENOW_W : 0));
1417#else
1418 result = RedrawWindow (hwnd, NULL, hrgn,
1419 RDW_ALLCHILDREN_W | RDW_INVALIDATE_W |
1420 (erase ? RDW_ERASE_W : RDW_NOERASE_W) |
1421 (hwnd == NULLHANDLE ? RDW_UPDATENOW_W : 0));
1422#endif
1423 return (result);
1424}
1425//******************************************************************************
1426//TODO: Change for client rectangle!!!!!
1427//******************************************************************************
1428BOOL setPMRgnIntoWinRgn (HPS hps, HRGN hrgnPM, HRGN hrgnWin, LONG height)
1429{
1430 BOOL rc;
1431 RGNRECT rgnRect;
1432 rgnRect.ircStart = 1;
1433 rgnRect.crc = 0;
1434 rgnRect.ulDirection = RECTDIR_LFRT_TOPBOT;
1435
1436 rc = GpiQueryRegionRects (hps, hrgnPM, NULL, &rgnRect, NULL);
1437
1438 if (rc && (rgnRect.crcReturned > 0))
1439 {
1440 PRECTL Rcls = new RECTL[rgnRect.crcReturned];
1441 PRECTL pRcl = Rcls;
1442
1443 if (Rcls != NULL)
1444 {
1445 rgnRect.crc = rgnRect.crcReturned;
1446 rc = GpiQueryRegionRects (hps, hrgnPM, NULL, &rgnRect, Rcls);
1447
1448 rc = SetRectRgn(hrgnWin, pRcl->xLeft, height - pRcl->yTop,
1449 pRcl->xRight, height - pRcl->yBottom);
1450
1451 if (rgnRect.crcReturned > 1)
1452 {
1453 int i;
1454 HRGN temp;
1455 temp = CreateRectRgn (0, 0, 1, 1);
1456
1457 for (i = 1, pRcl++; rc && (i < rgnRect.crcReturned); i++, pRcl++)
1458 {
1459 rc = SetRectRgn (temp, pRcl->xLeft, height - pRcl->yTop,
1460 pRcl->xRight, height - pRcl->yBottom);
1461 rc &= CombineRgn (hrgnWin, hrgnWin, temp, RGN_OR_W);
1462 }
1463 DeleteObject (temp);
1464 }
1465 delete[] Rcls;
1466 }
1467 else
1468 {
1469 rc = FALSE;
1470 }
1471 }
1472 else
1473 {
1474 rc = SetRectRgn (hrgnWin, 0, 0, 0, 0);
1475 }
1476
1477 return (rc);
1478}
1479//******************************************************************************
1480//TODO: Check if this one works correctly...
1481//Have to check if dc is for frame or client!!
1482//******************************************************************************
1483BOOL WIN32API ScrollDC(HDC hDC, int dx, int dy, const RECT *pScroll,
1484 const RECT *pClip, HRGN hrgnUpdate, LPRECT pRectUpdate)
1485{
1486 Win32BaseWindow *wnd;
1487 BOOL rc = TRUE;
1488
1489 dprintf (("USER32: ScrollDC %x (%d,%d), %x %x %x %x", hDC, dx, dy, pScroll, pClip, hrgnUpdate, pRectUpdate));
1490
1491 if (!hDC)
1492 {
1493 return (FALSE);
1494 }
1495
1496 pDCData pHps = (pDCData)GpiQueryDCData ((HPS)hDC);
1497 HWND hwnd = pHps->hwnd;
1498 if(pHps->isClient) {
1499 wnd = Win32BaseWindow::GetWindowFromOS2Handle (hwnd);
1500 }
1501 else {
1502 //assume (for now) that this is not allowed (TODO)
1503 dprintf(("ScrollDC used for frame HDC!!"));
1504 DebugInt3();
1505 return FALSE;
1506 }
1507
1508 if((hwnd == NULLHANDLE) || !wnd)
1509 {
1510 return (FALSE);
1511 }
1512
1513 POINTL ptl[2] = { 0, 0, dx, dy };
1514
1515 GpiConvert (pHps->hps, CVTC_WORLD, CVTC_DEVICE, 2, ptl);
1516 dx = (int)(ptl[1].x - ptl[0].x);
1517 dy = (int)(ptl[1].y - ptl[0].y);
1518
1519 RECT scrollRect;
1520 RECT clipRect;
1521
1522 if (pClip)
1523 {
1524 memcpy(&clipRect, pClip, sizeof(clipRect));
1525
1526 if ((pHps->graphicsMode == GM_COMPATIBLE_W) &&
1527 (clipRect.left != clipRect.right) &&
1528 (clipRect.bottom != clipRect.top))
1529 {
1530 if (abs((int)pHps->viewportXExt) <= abs((int)pHps->windowExt.cx))
1531 clipRect.right -= abs(pHps->worldXDeltaFor1Pixel);
1532 else
1533 clipRect.left += abs(pHps->worldXDeltaFor1Pixel);
1534
1535 if (abs((int)pHps->viewportYExt) <= abs((int)pHps->windowExt.cy))
1536 clipRect.bottom -= abs(pHps->worldYDeltaFor1Pixel);
1537 else
1538 clipRect.top += abs(pHps->worldYDeltaFor1Pixel);
1539 }
1540 GpiConvert(pHps->hps, CVTC_WORLD, CVTC_DEVICE, 2, (PPOINTL)&clipRect);
1541 if (clipRect.right < clipRect.left) {
1542 ULONG temp = clipRect.left;
1543 clipRect.left = clipRect.right;
1544 clipRect.right = temp;
1545 }
1546 if (clipRect.bottom < clipRect.top) {
1547 ULONG temp = clipRect.top;
1548 clipRect.top = clipRect.bottom;
1549 clipRect.bottom = temp;
1550 }
1551 }
1552
1553 if (pScroll)
1554 {
1555 memcpy(&scrollRect, pScroll, sizeof(scrollRect));
1556
1557 if ((pHps->graphicsMode == GM_COMPATIBLE_W) &&
1558 (scrollRect.left != scrollRect.right) &&
1559 (scrollRect.top != scrollRect.bottom))
1560 {
1561 if (abs((int)pHps->viewportXExt) <= abs((int)pHps->windowExt.cx))
1562 scrollRect.right -= abs(pHps->worldXDeltaFor1Pixel);
1563 else
1564 scrollRect.left += abs(pHps->worldXDeltaFor1Pixel);
1565
1566 if (abs((int)pHps->viewportYExt) <= abs((int)pHps->windowExt.cy))
1567 scrollRect.bottom -= abs(pHps->worldYDeltaFor1Pixel);
1568 else
1569 scrollRect.top += abs(pHps->worldYDeltaFor1Pixel);
1570 }
1571 GpiConvert (pHps->hps, CVTC_WORLD, CVTC_DEVICE, 2, (PPOINTL)&scrollRect);
1572 if (scrollRect.right < scrollRect.left) {
1573 ULONG temp = scrollRect.left;
1574 scrollRect.left = scrollRect.right;
1575 scrollRect.right = temp;
1576 }
1577 if (scrollRect.bottom < scrollRect.top) {
1578 ULONG temp = scrollRect.top;
1579 scrollRect.top = scrollRect.bottom;
1580 scrollRect.bottom = temp;
1581 }
1582 }
1583 RECTL rectlUpdate;
1584 HRGN hrgn = NULLHANDLE;
1585 RECTL clipOS2;
1586 RECTL scrollOS2;
1587 PRECTL pScrollOS2 = NULL;
1588 PRECTL pClipOS2 = NULL;
1589 HPS hpsScreen = 0;
1590
1591 if(pScroll) {
1592 mapWin32ToOS2Rect(wnd->getClientHeight(), &scrollRect, (PRECTLOS2)&scrollOS2);
1593 pScrollOS2 = &scrollOS2;
1594 }
1595
1596 if(pClip) {
1597 mapWin32ToOS2Rect(wnd->getClientHeight(), &clipRect, (PRECTLOS2)&clipOS2);
1598 pClipOS2 = &clipOS2;
1599 }
1600
1601 if(hrgnUpdate) {
1602 RECTL rectl = { 1, 1, 2, 2 };
1603
1604 hpsScreen = WinGetScreenPS (HWND_DESKTOP);
1605 hrgn = GpiCreateRegion(hpsScreen, 1, &rectl);
1606 }
1607
1608 LONG lComplexity = WinScrollWindow(hwnd, dx, dy, pScrollOS2,
1609 pClipOS2, hrgn, &rectlUpdate, 0);
1610 if (lComplexity == RGN_ERROR)
1611 {
1612 return (FALSE);
1613 }
1614
1615 RECT winRectUpdate;
1616
1617 mapOS2ToWin32Rect(wnd->getClientHeight(), (PRECTLOS2)&rectlUpdate, &winRectUpdate);
1618
1619 if (pRectUpdate)
1620 *pRectUpdate = winRectUpdate;
1621
1622 if (hrgnUpdate) {
1623 rc = setPMRgnIntoWinRgn(hpsScreen, hrgn, hrgnUpdate, wnd->getClientHeight());
1624 GpiDestroyRegion(hpsScreen, hrgn);
1625 WinReleasePS(hpsScreen);
1626 }
1627
1628 return (rc);
1629}
1630//******************************************************************************
1631//Using WinScrollWindow to scroll child windows is better (smoother).
1632//******************************************************************************
1633INT WIN32API ScrollWindowEx(HWND hwnd, int dx, int dy, const RECT *pScroll, const RECT *pClip,
1634 HRGN hrgnUpdate, PRECT pRectUpdate, UINT scrollFlag)
1635{
1636 Win32BaseWindow *window;
1637 APIRET rc;
1638 RECTL scrollRect;
1639 RECTL clipRect;
1640 PRECTL pScrollOS2 = NULL;
1641 PRECTL pClipOS2 = NULL;
1642 ULONG scrollFlagsOS2 = 0;
1643 int orgdy = dy;
1644 int regionType = ERROR_W;
1645
1646 window = Win32BaseWindow::GetWindowFromHandle(hwnd);
1647 if(!window) {
1648 dprintf(("ScrollWindowEx, window %x not found", hwnd));
1649 return 0;
1650 }
1651
1652 dprintf(("ScrollWindowEx %x %d %d %x %x", hwnd, dx, dy, pScroll, pClip));
1653
1654 dy = revertDy (window, dy);
1655
1656 if (scrollFlag & SW_INVALIDATE_W) scrollFlagsOS2 |= SW_INVALIDATERGN;
1657 if (scrollFlag & SW_SCROLLCHILDREN_W) scrollFlagsOS2 |= SW_SCROLLCHILDREN;
1658
1659 if(pScroll) {
1660 mapWin32ToOS2Rect(window->getClientHeight(), (RECT *)pScroll, (PRECTLOS2)&scrollRect);
1661 pScrollOS2 = &scrollRect;
1662 }
1663
1664 if(pClip) {
1665 mapWin32ToOS2Rect(window->getClientHeight(), (RECT *)pClip, (PRECTLOS2)&clipRect);
1666 pClipOS2 = &clipRect;
1667 }
1668
1669 RECTL rectlUpdate;
1670 HRGN hrgn = NULLHANDLE;
1671 HPS hpsScreen = 0;
1672
1673 if(hrgnUpdate) {
1674 RECTL rectl = { 1, 1, 2, 2 };
1675
1676 hpsScreen = WinGetScreenPS (HWND_DESKTOP);
1677 hrgn = GpiCreateRegion(hpsScreen, 1, &rectl);
1678 }
1679
1680 if (scrollFlag & SW_SMOOTHSCROLL_W)
1681 {
1682 INT time = (scrollFlag >> 16) & 0xFFFF;
1683
1684 //CB: todo, scroll in several steps
1685 // is time in ms? time <-> iteration count?
1686 }
1687
1688 LONG lComplexity = WinScrollWindow(window->getOS2WindowHandle(), dx, dy,
1689 pScrollOS2, pClipOS2,
1690 hrgn, &rectlUpdate, scrollFlagsOS2);
1691 if (lComplexity == RGN_ERROR)
1692 {
1693 return ERROR_W;
1694 }
1695
1696 //Notify children that they have moved (according to the SDK docs,
1697 //they only receive a WM_MOVE message)
1698 //(PM only does this for windows with CS_MOVENOTIFY class)
1699 //TODO: Verify this (no WM_WINDOWPOSCHANGING/ED?)
1700 if (scrollFlag & SW_SCROLLCHILDREN_W)
1701 {
1702 HWND hwndChild;
1703 RECT rectChild, rc;
1704
1705 dprintf(("ScrollWindowEx: Scroll child windows"));
1706 GetClientRect(hwnd, &rc);
1707 if (pScroll) IntersectRect(&rc, &rc, pScroll);
1708
1709 hwndChild = GetWindow(hwnd, GW_CHILD_W);
1710
1711 while(hwndChild)
1712 {
1713 Win32BaseWindow *child;
1714
1715 child = Win32BaseWindow::GetWindowFromHandle(hwndChild);
1716 if(!child) {
1717 dprintf(("ERROR: ScrollWindowEx, child %x not found", hwnd));
1718 return 0;
1719 }
1720 rectChild = *child->getWindowRect();
1721 if(!pScroll || IntersectRect(&rectChild, &rectChild, &rc))
1722 {
1723 dprintf(("ScrollWindowEx: Scroll child window %x", hwndChild));
1724 child->ScrollWindow(dx, orgdy);
1725 }
1726 hwndChild = GetWindow(hwndChild, GW_HWNDNEXT_W);
1727 }
1728 dprintf(("***ScrollWindowEx: Scroll child windows DONE"));
1729 }
1730
1731 RECT winRectUpdate;
1732
1733 mapOS2ToWin32Rect(window->getClientHeight(), (PRECTLOS2)&rectlUpdate, &winRectUpdate);
1734
1735 if (pRectUpdate)
1736 *pRectUpdate = winRectUpdate;
1737
1738 if (hrgnUpdate) {
1739 rc = setPMRgnIntoWinRgn(hpsScreen, hrgn, hrgnUpdate, window->getClientHeight());
1740 GpiDestroyRegion(hpsScreen, hrgn);
1741 WinReleasePS(hpsScreen);
1742 }
1743
1744#if 0
1745 //SvL: WinScrollWindow already invalidates the area; no need to do it again
1746 //(call to invalidateRect was wrong; has to include erase flag)
1747 if ((scrollFlag & SW_INVALIDATE_W) &&
1748 ((lComplexity == RGN_RECT) || (lComplexity == RGN_COMPLEX)))
1749 {
1750 rc = RedrawWindow (hwnd, &winRectUpdate, NULLHANDLE,
1751 RDW_ALLCHILDREN_W | RDW_INVALIDATE_W |
1752 ((scrollFlag & SW_ERASE_W) ? RDW_ERASE_W : 0) |
1753 RDW_UPDATENOW_W);
1754
1755// rc = InvalidateRect (hwnd, &winRectUpdate, (scrollFlag & SW_ERASE_W) ? 1 : 0);
1756 if (rc == FALSE)
1757 {
1758 return (0);
1759 }
1760 }
1761#endif
1762
1763 switch (lComplexity)
1764 {
1765 case RGN_NULL:
1766 regionType = NULLREGION_W;
1767 break;
1768 case RGN_RECT:
1769 regionType = SIMPLEREGION_W;
1770 break;
1771 case RGN_COMPLEX:
1772 regionType = COMPLEXREGION_W;
1773 break;
1774 default:
1775 regionType = ERROR_W;
1776 break;
1777 }
1778
1779 return (regionType);
1780}
1781//******************************************************************************
1782//******************************************************************************
1783BOOL WIN32API ScrollWindow(HWND hwnd, int dx, int dy, const RECT *pScroll, const RECT *pClip)
1784{
1785 Win32BaseWindow *window;
1786
1787 window = Win32BaseWindow::GetWindowFromHandle(hwnd);
1788 if(!window) {
1789 dprintf(("ScrollWindow, window %x not found", hwnd));
1790 return 0;
1791 }
1792 dprintf(("ScrollWindow %x %d %d %x %x", hwnd, dx, dy, pScroll, pClip));
1793 return (ERROR_W != ScrollWindowEx(hwnd, dx, dy, pScroll, pClip, 0, NULL,
1794 (pScroll ? 0 : SW_SCROLLCHILDREN_W) |
1795 SW_INVALIDATE_W ));
1796}
1797//******************************************************************************
1798//******************************************************************************
1799HWND WIN32API WindowFromDC(HDC hdc)
1800{
1801 pDCData pHps = (pDCData)GpiQueryDCData( (HPS)hdc );
1802
1803 dprintf2(("USER32: WindowFromDC %x", hdc));
1804 if ( pHps )
1805 return OS2ToWin32Handle(pHps->hwnd);
1806 else
1807 return 0;
1808}
1809//******************************************************************************
1810//******************************************************************************
1811
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