source: trunk/src/user32/dc.cpp@ 3670

Last change on this file since 3670 was 3662, checked in by sandervl, 25 years ago

Major rewrite: frame/client -> frame
File size: 57.8 KB
Line 
1/* $Id: dc.cpp,v 1.59 2000-06-07 14:51:25 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 <winconst.h>
28#include <misc.h>
29#include <win32wbase.h>
30#include <math.h>
31#include <limits.h>
32#include "oslibwin.h"
33#include "oslibmsg.h"
34#include <dcdata.h>
35
36#define INCLUDED_BY_DC
37#include "dc.h"
38
39#define DBG_LOCALLOG DBG_dc
40#include "dbglocal.h"
41
42#ifndef DEVESC_SETPS
43 #define DEVESC_SETPS 49149L
44#endif
45
46#define FLOAT_TO_FIXED(x) ((FIXED) ((x) * 65536.0))
47#define MICRO_HPS_TO_HDC(x) ((x) & 0xFFFFFFFE)
48
49#define PMRECT_FROM_WINRECT( pmRect, winRect ) \
50{ \
51 (pmRect).xLeft = (winRect).left; \
52 (pmRect).yBottom = (winRect).bottom; \
53 (pmRect).xRight = (winRect).right; \
54 (pmRect).yTop = (winRect).top; \
55}
56
57#define WINRECT_FROM_PMRECT( winRect, pmRect ) \
58{ \
59 (winRect).left = (pmRect).xLeft; \
60 (winRect).top = (pmRect).yTop; \
61 (winRect).right = (pmRect).xRight; \
62 (winRect).bottom = (pmRect).yBottom; \
63}
64
65#define MEM_HPS_MAX 768
66
67const XFORM_W XFORMIdentity = { 1.0, 0.0, 0.0, 1.0, 0, 0 };
68const MATRIXLF matrixlfIdentity = { 0x10000, 0, 0, 0, 0x10000, 0, 0, 0, 0};
69
70BOOL setPageXForm(Win32BaseWindow *wnd, pDCData pHps);
71BOOL changePageXForm(Win32BaseWindow *wnd, pDCData pHps, PPOINTL pValue, int x, int y, PPOINTL pPrev);
72LONG clientHeight(Win32BaseWindow *wnd, HWND hwnd, pDCData pHps);
73
74//******************************************************************************
75//******************************************************************************
76void TestWideLine (pDCData pHps)
77{
78 const LOGPEN_W *pLogPen;
79
80 pHps->isWideLine = FALSE;
81 pLogPen = pHps->penIsExtPen ?
82 &(pHps->lastPenObject->ExtPen.logpen) :
83 &(pHps->lastPenObject->Pen.logpen);
84
85 if (((pLogPen->lopnStyle & PS_STYLE_MASK_W) != PS_NULL_W) &&
86 (pLogPen->lopnWidth.x > 0))
87 {
88 POINTL aptl[2] = { 0, 0, pLogPen->lopnWidth.x, pLogPen->lopnWidth.x };
89
90 GpiConvert(pHps->hps, CVTC_WORLD, CVTC_DEVICE, 2, aptl);
91
92 ULONG dx = abs(aptl[0].x - aptl[1].x);
93 ULONG dy = abs(aptl[0].y - aptl[1].y);
94
95 pHps->isWideLine = (dx > 1) || (dy > 1);
96 }
97}
98//******************************************************************************
99//******************************************************************************
100void Calculate1PixelDelta(pDCData pHps)
101{
102 POINTL aptl[2] = {0, 0, 1, 1};
103
104 GpiConvert(pHps->hps, CVTC_DEVICE, CVTC_WORLD, 2, aptl);
105 pHps->worldYDeltaFor1Pixel = (int)(aptl[1].y - aptl[0].y);
106 pHps->worldXDeltaFor1Pixel = (int)(aptl[1].x - aptl[0].x); // 171182
107}
108//******************************************************************************
109//******************************************************************************
110int setMapMode(Win32BaseWindow *wnd, pDCData pHps, int mode)
111{
112 int prevMode = 0;
113 ULONG flOptions;
114
115 switch (mode)
116 {
117 case MM_HIENGLISH_W : flOptions = PU_HIENGLISH; break;
118 case MM_LOENGLISH_W : flOptions = PU_LOENGLISH; break;
119 case MM_HIMETRIC_W : flOptions = PU_HIMETRIC ; break;
120 case MM_LOMETRIC_W : flOptions = PU_LOMETRIC ; break;
121 case MM_TEXT_W : flOptions = PU_PELS ; break;
122 case MM_TWIPS_W : flOptions = PU_TWIPS ; break;
123 case MM_ANISOTROPIC_W: flOptions = PU_PELS ; break;
124 case MM_ISOTROPIC_W : flOptions = PU_LOMETRIC ; break;
125 default:
126 SetLastError(ERROR_INVALID_PARAMETER_W);
127 return FALSE;
128 }
129
130 prevMode = pHps->MapMode; /* store previous mode */
131 pHps->MapMode = mode;
132
133 if (mode == MM_TEXT_W)
134 {
135 pHps->viewportXExt =
136 pHps->viewportYExt = 1.0;
137 pHps->windowExt.cx =
138 pHps->windowExt.cy = 1;
139 }
140 else if (mode != MM_ANISOTROPIC_W)
141 {
142 RECTL rectl;
143 SIZEL sizel;
144 ULONG data[3];
145
146 data[0] = flOptions;
147 data[1] = data[2] = 0;
148
149 if (DevEscape(pHps->hdc ? pHps->hdc : pHps->hps, DEVESC_SETPS, 12, (PBYTE)data, 0, 0) == DEVESC_ERROR)
150 {
151 SetLastError(ERROR_INVALID_PARAMETER_W);
152 return 0;
153 }
154
155 GpiQueryPageViewport(pHps->hps, &rectl);
156 pHps->viewportXExt = (double)rectl.xRight;
157 pHps->viewportYExt = -(double)rectl.yTop;
158
159 GreGetPageUnits(pHps->hdc? pHps->hdc : pHps->hps, &sizel);
160 pHps->windowExt.cx = sizel.cx;
161 pHps->windowExt.cy = sizel.cy;
162
163 data[0] = PU_PELS;
164 DevEscape(pHps->hdc ? pHps->hdc : pHps->hps, DEVESC_SETPS, 12, (PBYTE)data, 0, 0);
165 }
166
167 if (((prevMode != MM_ISOTROPIC_W) && (prevMode != MM_ANISOTROPIC_W)) &&
168 ((mode == MM_ISOTROPIC_W) || (mode == MM_ANISOTROPIC_W)))
169 {
170 if (pHps->lWndXExtSave && pHps->lWndYExtSave)
171 {
172 changePageXForm (wnd, pHps, (PPOINTL)&pHps->windowExt,
173 pHps->lWndXExtSave, pHps->lWndYExtSave, NULL );
174 pHps->lWndXExtSave = pHps->lWndYExtSave = 0;
175 }
176 if (pHps->lVwpXExtSave && pHps->lVwpYExtSave)
177 {
178 changePageXForm (wnd, pHps, NULL,
179 pHps->lVwpXExtSave, pHps->lVwpYExtSave, NULL );
180 pHps->lVwpXExtSave = pHps->lVwpYExtSave = 0;
181 }
182 }
183
184 setPageXForm(wnd, pHps);
185
186 return prevMode;
187}
188//******************************************************************************
189//******************************************************************************
190BOOL setPageXForm(Win32BaseWindow *wnd, pDCData pHps)
191{
192 MATRIXLF mlf;
193 BOOL rc = TRUE;
194
195 pHps->height = clientHeight(wnd, 0, pHps) - 1;
196
197 double xScale = pHps->viewportXExt / (double)pHps->windowExt.cx;
198 double yScale = pHps->viewportYExt / (double)pHps->windowExt.cy;
199
200 mlf.fxM11 = FLOAT_TO_FIXED(xScale);
201 mlf.fxM12 = 0;
202 mlf.lM13 = 0;
203 mlf.fxM21 = 0;
204 mlf.fxM22 = FLOAT_TO_FIXED(yScale);
205 mlf.lM23 = 0;
206 mlf.lM31 = pHps->viewportOrg.x - (LONG)(pHps->windowOrg.x * xScale);
207 mlf.lM32 = pHps->viewportOrg.y - (LONG)(pHps->windowOrg.y * yScale);
208
209 pHps->isLeftLeft = mlf.fxM11 >= 0;
210 pHps->isTopTop = mlf.fxM22 >= 0;
211
212 BOOL bEnableYInversion = FALSE;
213 if ((mlf.fxM22 > 0) ||
214 ((pHps->graphicsMode == GM_ADVANCED_W) &&
215 ((pHps->MapMode == MM_ANISOTROPIC_W) ||
216 (pHps->MapMode == MM_ISOTROPIC_W))))
217 {
218 bEnableYInversion = TRUE;
219 }
220 else
221 {
222 bEnableYInversion = FALSE;
223 mlf.lM32 = pHps->HPStoHDCInversionHeight + pHps->height - mlf.lM32;
224 mlf.fxM22 = -mlf.fxM22;
225 }
226
227 if (!pHps->isMetaPS)
228// if ((!pHps->isMetaPS) ||
229// (pHps->pMetaFileObject && pHps->pMetaFileObject->isEnhanced()))
230 rc = GpiSetDefaultViewMatrix(pHps->hps, 8, &mlf, TRANSFORM_REPLACE);
231
232 if (bEnableYInversion)
233 GpiEnableYInversion(pHps->hps, pHps->height + pHps->HPStoHDCInversionHeight);
234 else
235 GpiEnableYInversion(pHps->hps, 0);
236
237 TestWideLine(pHps);
238 Calculate1PixelDelta(pHps);
239 return rc;
240}
241//******************************************************************************
242//******************************************************************************
243BOOL changePageXForm(Win32BaseWindow *wnd, pDCData pHps, PPOINTL pValue, int x, int y, PPOINTL pPrev)
244{
245 BOOL result = FALSE;
246
247 if (pValue)
248 {
249 if (pPrev)
250 *pPrev = *pValue;
251
252 if ((pValue->x == x) && (pValue->y == y)) {
253 return TRUE;
254 }
255 pValue->x = x;
256 pValue->y = y;
257 }
258 else
259 {
260 if (pPrev)
261 {
262 pPrev->x = (int)pHps->viewportXExt;
263 pPrev->y = (int)pHps->viewportYExt;
264 }
265 pHps->viewportXExt = (double)x;
266 pHps->viewportYExt = (double)y;
267 }
268
269 if (pHps->MapMode == MM_ISOTROPIC_W)
270 {
271 double xExt = fabs(pHps->viewportXExt);
272 double yExt = fabs(pHps->viewportYExt);
273 double sf = fabs((double)pHps->windowExt.cx / pHps->windowExt.cy);
274
275 if (xExt > (yExt * sf))
276 {
277 xExt = yExt * sf;
278
279 if ((double)LONG_MAX <= xExt) return (result);
280
281 if (pHps->viewportXExt < 0.0)
282 pHps->viewportXExt = -xExt;
283 else
284 pHps->viewportXExt = xExt;
285 }
286 else
287 {
288 yExt = xExt / sf;
289
290 if ((double)LONG_MAX <= yExt) return (result);
291
292 if (pHps->viewportYExt < 0.0)
293 pHps->viewportYExt = -yExt;
294 else
295 pHps->viewportYExt = yExt;
296 }
297 }
298 result = setPageXForm(wnd, pHps);
299
300 return (result);
301}
302//******************************************************************************
303//******************************************************************************
304VOID removeClientArea(pDCData pHps)
305{
306 POINTL point;
307
308 // This function checks to see if a client area is currently selected, if
309 // it is the origin plus the visible region of the frame are restored.
310
311 pHps->isClient = FALSE;
312
313 GreGetDCOrigin(pHps->hps, &point);
314
315 if(pHps->isClientArea)
316 {
317 dprintf2(("removeClientArea: (%d,%d) -> (%d,%d)", point.x, point.y, pHps->ptlOrigin.x, pHps->ptlOrigin.y));
318 pHps->isClientArea = FALSE;
319 GreSetupDC(pHps->hps,
320 pHps->hrgnVis,
321 pHps->ptlOrigin.x,
322 pHps->ptlOrigin.y,
323 0,
324 SETUPDC_ORIGIN | SETUPDC_VISRGN | SETUPDC_RECALCCLIP);
325 }
326 else dprintf(("removeClientArea: (%d,%d)", point.x, point.y));
327
328}
329//******************************************************************************
330//******************************************************************************
331HRGN selectClientArea(Win32BaseWindow *window, pDCData pHps, PRECTL prclPaint)
332{
333 // This function checks to see if the DC needs to be adjusted to a client
334 // area and makes the adjustment.
335 RECTL rcl, rcltemp;
336 HRGN hrgnRect, hrgnClip, hrgnOldClip = 0;
337 HWND hwnd;
338 LONG rc;
339 PRECT pClient = window->getClientRectPtr();
340 PRECT pWindow = window->getWindowRect();
341
342 if(pClient->left == 0 && pClient->top == 0 &&
343 window->getClientHeight() == window->getWindowHeight() &&
344 window->getClientWidth() == window->getWindowWidth())
345 {
346 //client rectangle = frame rectangle -> no change necessary
347 //only setup the clip region
348 goto setupclipregion;
349 }
350
351 pHps->isClient = TRUE;
352
353 hwnd = window->getOS2WindowHandle();
354
355 mapWin32ToOS2Rect(window->getWindowHeight(), window->getClientRectPtr(), (PRECTLOS2)&rcl);
356
357 //convert to screen coordinates
358 GreGetDCOrigin(pHps->hps, (PPOINTL)&rcltemp);
359 rcl.xLeft += rcltemp.xLeft;
360 rcl.xRight += rcltemp.xLeft;
361 rcl.yTop += rcltemp.yBottom;
362 rcl.yBottom += rcltemp.yBottom;
363
364 pHps->ptlOrigin.x = rcltemp.xLeft;
365 pHps->ptlOrigin.y = rcltemp.yBottom;
366
367 dprintf2(("selectClientArea: (%d,%d) -> (%d,%d)", rcltemp.xLeft, rcltemp.yBottom, rcl.xLeft, rcl.yBottom));
368
369 if(pHps->hrgnVis == 0)
370 pHps->hrgnVis = GreCreateRectRegion(pHps->hps, &rcl, 1);
371
372 hrgnRect = GreCreateRectRegion(pHps->hps, &rcl, 1);
373
374 // Query the visible region
375 GreCopyClipRegion(pHps->hps, pHps->hrgnVis, 0, COPYCRGN_VISRGN);
376 GpiQueryRegionBox(pHps->hps, pHps->hrgnVis, &rcltemp);
377 // And the visible region of the frame with the client rectangle
378 // to get the new visible region
379 GreCombineRegion(pHps->hps, hrgnRect, pHps->hrgnVis, hrgnRect, CRGN_AND);
380
381 // Set the new origin plus visible region in the DC
382 GreSetupDC(pHps->hps,
383 hrgnRect,
384 rcl.xLeft,
385 rcl.yBottom,
386 NULL,
387 SETUPDC_ORIGIN | SETUPDC_VISRGN | SETUPDC_RECALCCLIP);
388
389/*
390 GpiQueryRegionBox(pHps->hps, hrgnClip, &rcltemp);
391 GpiQueryRegionBox(pHps->hps, hrgnOldClip, &rcltemp);
392
393 GpiQueryRegionBox(pHps->hps, hrgnRect, &rcltemp);
394
395 GreGetDCOrigin(pHps->hps, (PPOINTL)&rcltemp);
396
397 GreCopyClipRegion(pHps->hps, hrgnRect, 0, COPYCRGN_VISRGN);
398 GpiQueryRegionBox(pHps->hps, hrgnRect, &rcltemp);
399
400 GreCopyClipRegion(pHps->hps, hrgnRect, 0, COPYCRGN_ALLINTERSECT);
401 GpiQueryRegionBox(pHps->hps, hrgnRect, &rcltemp);
402
403 GreCopyClipRegion(pHps->hps, hrgnRect, 0, COPYCRGN_CLIPRGN);
404 GpiQueryRegionBox(pHps->hps, hrgnRect, &rcltemp);
405*/
406 pHps->isClientArea = TRUE;
407
408 // Destroy the region now we have finished with it.
409 GreDestroyRegion(pHps->hps, hrgnRect);
410
411setupclipregion:
412 if(prclPaint) {
413 hrgnClip = GpiQueryClipRegion(pHps->hps);
414 if(hrgnClip) {
415 rc = GreIntersectClipRectangle(pHps->hps, prclPaint);
416 if(rc == RGN_ERROR) {
417 dprintf(("selectClientArea: GreIntersectClipRectangle returned RGN_ERROR!"));
418 }
419 }
420 else {
421 hrgnClip = GreCreateRectRegion(pHps->hps, prclPaint, 1);
422 GreSelectClipRegion(pHps->hps, hrgnClip, &hrgnOldClip);
423 }
424 }
425
426 return hrgnOldClip;
427}
428//******************************************************************************
429//******************************************************************************
430LONG clientHeight(Win32BaseWindow *wnd, HWND hwnd, pDCData pHps)
431{
432 if ((hwnd == 0) && (pHps != 0))
433 hwnd = pHps->hwnd;
434
435 if ((hwnd != 0) || (pHps == 0))
436 {
437 if(wnd) {
438 if(pHps && !pHps->isClientArea) {
439 return (wnd->getWindowHeight());
440 }
441 else return (wnd->getClientHeight());
442 }
443 else return OSLibQueryScreenHeight();
444 }
445 else if (pHps->bitmapHandle)
446 {
447 return pHps->bitmapHeight;
448 }
449 else if (pHps->isMetaPS)
450 {
451 return 0;
452 }
453 else if (pHps->isPrinter)
454 {
455 return pHps->printPageHeight;
456 }
457 else
458 {
459 return MEM_HPS_MAX;
460 }
461}
462//******************************************************************************
463//******************************************************************************
464BOOL isYup (pDCData pHps)
465{
466 if (((pHps->windowExt.cy < 0) && (pHps->viewportYExt > 0.0)) ||
467 ((pHps->windowExt.cy > 0) && (pHps->viewportYExt < 0.0)))
468 {
469 if ((pHps->graphicsMode == GM_COMPATIBLE_W) ||
470 ((pHps->graphicsMode == GM_ADVANCED_W) && (pHps->xform.eM22 >= 0.0)))
471 return TRUE;
472 }
473 else
474 {
475 if ((pHps->graphicsMode == GM_ADVANCED_W) && (pHps->xform.eM22 < 0.0))
476 return TRUE;
477 }
478 return FALSE;
479}
480//******************************************************************************
481//******************************************************************************
482INT revertDy (Win32BaseWindow *wnd, INT dy)
483{
484 //SvL: Hack for memory.exe (doesn't get repainted properly otherwise)
485// if (wnd->isOwnDC() && wnd->getOwnDC())
486 if (wnd->isOwnDC())
487 {
488 pDCData pHps = (pDCData)GpiQueryDCData (wnd->getOwnDC());
489
490 if (pHps != NULLHANDLE)
491 if (!isYup (pHps))
492 dy = -dy;
493 }
494 else
495 {
496 dy = -dy;
497 }
498 return (dy);
499}
500//******************************************************************************
501//******************************************************************************
502HDC sendEraseBkgnd (Win32BaseWindow *wnd)
503{
504 BOOL erased;
505 HWND hwnd;
506 HDC hdc;
507 HPS hps;
508 HRGN hrgnUpdate, hrgnOld, hrgnClip, hrgnCombined;
509 RECTL rectl = { 1, 1, 2, 2 };
510
511 hwnd = wnd->getOS2WindowHandle();
512 hps = WinGetPS(hwnd);
513
514 hrgnUpdate = GpiCreateRegion (hps, 1, &rectl);
515 WinQueryUpdateRegion (hwnd, hrgnUpdate);
516 hrgnClip = GpiQueryClipRegion (hps);
517
518 if (hrgnClip == NULLHANDLE)
519 {
520 GpiSetClipRegion (hps, hrgnUpdate, &hrgnOld);
521 }
522 else
523 {
524 hrgnCombined = GpiCreateRegion (hps, 1, &rectl);
525 GpiCombineRegion (hps, hrgnCombined, hrgnClip, hrgnUpdate, CRGN_AND);
526 GpiSetClipRegion (hps, hrgnCombined, &hrgnOld);
527 GpiDestroyRegion (hps, hrgnUpdate);
528 GpiDestroyRegion (hps, hrgnClip);
529 }
530 if (hrgnOld != NULLHANDLE)
531 GpiDestroyRegion (hps, hrgnOld);
532
533 hdc = HPSToHDC (hwnd, hps, NULL, NULL);
534
535 erased = wnd->MsgEraseBackGround (hdc);
536
537 DeleteHDC (hdc);
538 WinReleasePS (hps);
539
540 return erased;
541}
542//******************************************************************************
543//******************************************************************************
544void releaseOwnDC (HDC hps)
545{
546 pDCData pHps = (pDCData)GpiQueryDCData ((HPS)hps);
547
548 if (pHps) {
549 if (pHps->hrgnHDC)
550 GpiDestroyRegion (pHps->hps, pHps->hrgnHDC);
551
552 GpiSetBitmap (pHps->hps, NULL);
553 O32_DeleteObject (pHps->nullBitmapHandle);
554 GpiDestroyPS(pHps->hps);
555
556 if (pHps->hdc)
557 DevCloseDC(pHps->hdc);
558 }
559}
560//******************************************************************************
561//******************************************************************************
562HDC WIN32API BeginPaint (HWND hWnd, PPAINTSTRUCT_W lpps)
563{
564 HWND hwnd = hWnd ? hWnd : HWND_DESKTOP;
565 pDCData pHps = NULLHANDLE;
566 HPS hPS_ownDC = NULLHANDLE, hpsPaint = 0;
567 RECTL rectl = {0, 0, 1, 1};
568 HRGN hrgnUpdate, hrgnOld, hrgnOldClip;
569 LONG lComplexity;
570 RECTL rectlClient;
571 RECTL rectlClip;
572
573 memset(lpps, 0, sizeof(*lpps));
574 Win32BaseWindow *wnd = Win32BaseWindow::GetWindowFromHandle(hwnd);
575 if(!lpps || !wnd) {
576 dprintf (("USER32: BeginPaint %x invalid parameter %x", hWnd, lpps));
577 SetLastError(ERROR_INVALID_PARAMETER_W);
578 return (HDC)0;
579 }
580 HWND hwndClient = wnd->getOS2WindowHandle();
581
582 if(hwnd != HWND_DESKTOP && wnd->isOwnDC())
583 {
584 hPS_ownDC = wnd->getOwnDC();
585 //SvL: Hack for memory.exe (doesn't get repainted properly otherwise)
586 if(hPS_ownDC) {
587 pHps = (pDCData)GpiQueryDCData(hPS_ownDC);
588 if (!pHps)
589 {
590 dprintf (("USER32: BeginPaint %x invalid parameter %x", hWnd, lpps));
591 SetLastError(ERROR_INVALID_PARAMETER_W);
592 return (HDC)NULLHANDLE;
593 }
594 hpsPaint = hPS_ownDC;
595 }
596 }
597 if(!hpsPaint) {
598 hpsPaint = GetDCEx(hwnd, 0, (DCX_CACHE_W|DCX_WINDOW_W|DCX_USESTYLE_W));
599 pHps = (pDCData)GpiQueryDCData(hpsPaint);
600 if (!pHps)
601 {
602 dprintf (("USER32: BeginPaint %x invalid parameter %x", hWnd, lpps));
603 SetLastError(ERROR_INVALID_PARAMETER_W);
604 return (HDC)NULLHANDLE;
605 }
606 }
607
608 if(WinQueryUpdateRect(hwndClient, &rectl) == FALSE) {
609 memset(&rectl, 0, sizeof(rectl));
610 dprintf (("USER32: WARNING: WinQueryUpdateRect failed (error or no update rectangle)!!"));
611
612 mapWin32ToOS2Rect(wnd->getWindowHeight(), wnd->getClientRectPtr(), (PRECTLOS2)&rectlClient);
613 WinOffsetRect(NULL, &rectlClient, -rectlClient.xLeft, -rectlClient.yBottom);
614
615 hrgnOldClip = selectClientArea(wnd, pHps, &rectlClient);
616 //save old clip region (restored for CS_OWNDC windows in EndPaint)
617 wnd->SetClipRegion(hrgnOldClip);
618 lComplexity = RGN_NULL;
619 }
620 else {
621 HRGN hrgnTmp = GpiCreateRegion(pHps->hps, 1, &rectl);
622
623 WinQueryUpdateRegion(hwndClient, hrgnTmp);
624
625 RGNRECT rgnrect = {0, 12, 0, RECTDIR_LFRT_TOPBOT};
626 RECTL rectls[12], rcltemp;
627 GpiQueryRegionRects(pHps->hps, hrgnTmp, &rcltemp, &rgnrect, &rectls[0]);
628 GpiDestroyRegion(pHps->hps, hrgnTmp);
629
630 WinValidateRect(hwndClient, &rectl, FALSE);
631
632 mapWin32ToOS2Rect(wnd->getWindowHeight(), wnd->getClientRectPtr(), (PRECTLOS2)&rectlClient);
633 WinIntersectRect(NULL, &rectlClip, &rectl, &rectlClient);
634 WinOffsetRect(NULL, &rectlClip, -rectlClient.xLeft, -rectlClient.yBottom);
635
636 hrgnOldClip = selectClientArea(wnd, pHps, &rectlClip);
637
638 //save old clip region (restored for CS_OWNDC windows in EndPaint)
639 wnd->SetClipRegion(hrgnOldClip);
640 memcpy(&rectl, &rectlClip, sizeof(RECTL));
641 lComplexity = RGN_RECT;
642 }
643
644 if(hPS_ownDC == 0)
645 setMapMode (wnd, pHps, MM_TEXT_W);
646 else
647 setPageXForm(wnd, pHps);
648
649 pHps->hdcType = TYPE_3;
650
651 HideCaret(hwnd);
652 WinShowTrackRect(wnd->getOS2WindowHandle(), FALSE);
653
654 if(wnd->needsEraseBkgnd() && lComplexity != RGN_NULL) {
655 wnd->setEraseBkgnd(FALSE);
656 lpps->fErase = (wnd->MsgEraseBackGround(pHps->hps) != 0);
657 }
658 else lpps->fErase = TRUE;
659
660 lpps->hdc = (HDC)pHps->hps;
661
662 if(lComplexity != RGN_NULL) {
663 long height = wnd->getClientHeight();
664 lpps->rcPaint.top = height - rectl.yTop;
665 lpps->rcPaint.left = rectl.xLeft;
666 lpps->rcPaint.bottom = height - rectl.yBottom;
667 lpps->rcPaint.right = rectl.xRight;
668 }
669 else {
670 lpps->rcPaint.bottom = lpps->rcPaint.top = 0;
671 lpps->rcPaint.right = lpps->rcPaint.left = 0;
672 }
673
674 SetLastError(0);
675 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));
676 return (HDC)pHps->hps;
677}
678//******************************************************************************
679//******************************************************************************
680BOOL WIN32API EndPaint (HWND hWnd, const PAINTSTRUCT_W *pPaint)
681{
682 HWND hwnd = hWnd ? hWnd : HWND_DESKTOP;
683 HRGN hrgnOld;
684 pDCData pHps;
685
686 dprintf (("USER32: EndPaint(%x)", hwnd));
687
688 if (!pPaint || !pPaint->hdc )
689 return TRUE;
690
691 Win32BaseWindow *wnd = Win32BaseWindow::GetWindowFromHandle(hwnd);
692
693 if (!wnd) goto exit;
694
695 pHps = (pDCData)GpiQueryDCData((HPS)pPaint->hdc);
696 if (pHps && (pHps->hdcType == TYPE_3))
697 {
698 removeClientArea(pHps);
699 if(hrgnOld) {
700 GpiSetClipRegion(pHps->hps, NULLHANDLE, &hrgnOld);
701 GpiDestroyRegion(pHps->hps, hrgnOld);
702 }
703 if(hwnd == HWND_DESKTOP || !wnd->isOwnDC()) {
704 pHps->hdcType = TYPE_1; //otherwise Open32's ReleaseDC fails
705 ReleaseDC(hwnd, pPaint->hdc);
706 }
707 else
708 if(wnd->GetClipRegion()) {
709 //TODO: What else do we need to restore here???
710 GpiSetClipRegion(pHps->hps, wnd->GetClipRegion(), &hrgnOld);
711 wnd->SetClipRegion(0);
712 pHps->hdcType = TYPE_1;
713 }
714 }
715 else {
716 dprintf(("EndPaint: wrong hdc %x!!", pPaint->hdc));
717 }
718 wnd->setEraseBkgnd(TRUE);
719 ShowCaret(hwnd);
720 WinShowTrackRect(wnd->getOS2WindowHandle(), TRUE);
721
722exit:
723 SetLastError(0);
724 return TRUE;
725}
726//******************************************************************************
727//******************************************************************************
728int WIN32API GetClipBox( HDC hdc, PRECT lpRect)
729{
730 pDCData pHps = (pDCData)GpiQueryDCData((HPS)hdc);
731 RECTL rectl;
732 LONG lComplexity;
733 int rc;
734
735 if(!hdc || !lpRect || !pHps) {
736 dprintf(("GDI32: GetClipBox %x %x ERROR_INVALID_PARAMETER", hdc, lpRect));
737 SetLastError(ERROR_INVALID_PARAMETER_W);
738 return ERROR_W;
739 }
740 if(pHps->isPrinter)
741 {
742 lpRect->left = 0;
743 lpRect->top = 0;
744 lpRect->right = GetDeviceCaps( hdc, HORZRES_W);
745 lpRect->bottom = GetDeviceCaps( hdc, VERTRES_W);
746
747 rc = SIMPLEREGION_W;
748 }
749 else {
750 lComplexity = GpiQueryClipBox(pHps->hps, &rectl);
751 if(lComplexity == RGN_ERROR)
752 {
753 rc = ERROR_W;
754 }
755 else
756 if(lComplexity == RGN_NULL)
757 {
758 memset(lpRect, 0, sizeof(*lpRect));
759 rc = NULLREGION_W;
760 }
761 else {
762 lpRect->left = rectl.xLeft;
763 lpRect->right = rectl.xRight;
764#if 0
765 lpRect->top = pHps->height - rectl.yTop;
766 lpRect->bottom = pHps->height - rectl.yBottom;
767#else
768 //No conversion required as GpiQueryClipBox is affected by
769 //the y-inversion of the window
770 lpRect->top = rectl.yBottom;
771 lpRect->bottom = rectl.yTop;
772#endif
773 //Convert including/including to including/excluding
774 if(lpRect->left != lpRect->right) {
775 lpRect->right++;
776 }
777 if(lpRect->top != lpRect->bottom) {
778 lpRect->bottom++;
779 }
780 rc = (lComplexity == RGN_RECT) ? SIMPLEREGION_W : COMPLEXREGION_W;
781 }
782 }
783 dprintf(("GDI32: GetClipBox of %X returned %d\n", hdc, rc));
784 return rc;
785}
786//******************************************************************************
787//******************************************************************************
788int WIN32API GetClipRgn( HDC hdc, HRGN hRgn)
789{
790 int rc;
791
792 rc = O32_GetClipRgn(hdc, hRgn);
793 dprintf(("GDI32: GetClipRgn %x %x returned %x", hdc, hRgn, rc));
794 return rc;
795}
796//******************************************************************************
797//******************************************************************************
798BOOL WIN32API GetUpdateRect (HWND hwnd, LPRECT pRect, BOOL erase)
799{
800 if (!hwnd)
801 {
802 dprintf(("GetUpdateRect %x %x %d -> invalid handle!!", hwnd, pRect, erase));
803 SetLastError(ERROR_INVALID_WINDOW_HANDLE_W);
804 return FALSE;
805 }
806
807 RECTL rectl;
808 Win32BaseWindow *wnd = Win32BaseWindow::GetWindowFromHandle(hwnd);
809
810 if (!wnd)
811 {
812 SetLastError(ERROR_INVALID_WINDOW_HANDLE_W);
813 dprintf(("GetUpdateRect %x %x %d -> invalid handle!!", hwnd, pRect, erase));
814 return FALSE;
815 }
816
817 dprintf(("GetUpdateRect %x %x %d", hwnd, pRect, erase));
818
819 BOOL updateRegionExists = WinQueryUpdateRect (wnd->getOS2WindowHandle(), pRect ? &rectl : NULL);
820 if (!pRect) {
821 return (updateRegionExists);
822 }
823
824 if (updateRegionExists)
825 {
826 //CB: for PM empty rect is valid
827 if ((rectl.xLeft == rectl.xRight) || (rectl.yTop == rectl.yBottom)) {
828 if(pRect) {
829 pRect->left = pRect->top = pRect->right = pRect->bottom = 0;
830 }
831 return FALSE;
832 }
833#if 0
834 //SvL: Hack for memory.exe (doesn't get repainted properly otherwise)
835// if (wnd->isOwnDC() && wnd->getOwnDC())
836 if (wnd->isOwnDC())
837 {
838 pDCData pHps = NULL;
839 pHps = (pDCData)GpiQueryDCData(wnd->getOwnDC());
840 if (!pHps)
841 {
842 SetLastError(ERROR_INVALID_HANDLE_W);
843 return FALSE;
844 }
845 GpiConvert (pHps->hps, CVTC_DEVICE, CVTC_WORLD, 2, (PPOINTL)&rectl);
846 }
847 else
848 {
849#endif
850 long height = wnd->getClientHeight();
851 rectl.yTop = height - rectl.yTop;
852 rectl.yBottom = height - rectl.yBottom;
853////////// }
854
855 if (pRect)
856 WINRECT_FROM_PMRECT (*pRect, rectl);
857
858 if (erase)
859 sendEraseBkgnd (wnd);
860 }
861 else
862 {
863 if(pRect) {
864 pRect->left = pRect->top = pRect->right = pRect->bottom = 0;
865 }
866 }
867
868 return updateRegionExists;
869}
870//******************************************************************************
871//functions for WM_NCPAINT
872//******************************************************************************
873INT SYSTEM GetOS2UpdateRgn(HWND hwnd,HRGN hrgn)
874{
875 return O32_GetUpdateRgn(hwnd,hrgn,FALSE);
876}
877//******************************************************************************
878//******************************************************************************
879BOOL GetOS2UpdateRect(Win32BaseWindow *window, LPRECT pRect)
880{
881 RECTL rectl;
882 BOOL updateRegionExists = WinQueryUpdateRect(window->getOS2WindowHandle(),pRect ? &rectl:NULL);
883
884 if (!pRect)
885 return (updateRegionExists);
886
887 if (updateRegionExists)
888 {
889 //CB: for PM empty rect is valid
890 if ((rectl.xLeft == rectl.xRight) || (rectl.yTop == rectl.yBottom)) return FALSE;
891 mapOS2ToWin32Rect(window->getWindowHeight(), (PRECTLOS2)&rectl,pRect);
892 }
893 else
894 pRect->left = pRect->top = pRect->right = pRect->bottom = 0;
895
896 return updateRegionExists;
897}
898//******************************************************************************
899//******************************************************************************
900int WIN32API GetUpdateRgn (HWND hwnd, HRGN hrgn, BOOL erase)
901{
902 LONG Complexity;
903
904 Win32BaseWindow *wnd = Win32BaseWindow::GetWindowFromHandle(hwnd);
905
906 if (!wnd)
907 {
908 SetLastError(ERROR_INVALID_WINDOW_HANDLE_W);
909 return ERROR_W;
910 }
911
912 Complexity = O32_GetUpdateRgn (wnd->getOS2WindowHandle(), hrgn, FALSE);
913 if (erase && (Complexity > NULLREGION_W)) sendEraseBkgnd(wnd);
914
915 return Complexity;
916}
917//******************************************************************************
918//******************************************************************************
919int WIN32API ReleaseDC (HWND hwnd, HDC hdc)
920{
921 BOOL isOwnDC = FALSE;
922 int rc;
923
924 if (hwnd)
925 {
926 Win32BaseWindow *wnd = Win32BaseWindow::GetWindowFromHandle (hwnd);
927 if(wnd == NULL) {
928 dprintf(("ERROR: ReleaseDC %x %x failed", hwnd, hdc));
929 return 0;
930 }
931 //SvL: Hack for memory.exe (doesn't get repainted properly otherwise)
932// isOwnDC = wnd->isOwnDC() && wnd->getOwnDC();
933 isOwnDC = wnd->isOwnDC() && (wnd->getOwnDC() == hdc);
934 if(!isOwnDC)
935 {
936 pDCData pHps = (pDCData)GpiQueryDCData((HPS)hdc);
937 if(pHps && pHps->psType == MICRO_CACHED) {
938 removeClientArea(pHps);
939 if(pHps->hrgnVis) {
940 GreDestroyRegion(pHps->hps, pHps->hrgnVis);
941 pHps->hrgnVis = 0;
942 }
943 }
944 else {
945 dprintf(("ERROR: ReleaseDC: pHps == NULL!!"));
946 DebugInt3();
947 }
948 }
949 }
950
951 if(isOwnDC) {
952 rc = TRUE;
953 }
954 else {
955 rc = O32_ReleaseDC (0, hdc);
956 }
957
958 dprintf(("ReleaseDC %x %x", hwnd, hdc));
959 return (rc);
960}
961//******************************************************************************
962// This implementation of GetDCEx supports
963// DCX_WINDOW
964// DCX_CACHE
965// DCX_EXCLUDERGN (complex regions allowed)
966// DCX_INTERSECTRGN (complex regions allowed)
967// DCX_USESTYLE
968// DCX_CLIPSIBLINGS
969// DCX_CLIPCHILDREN
970// DCX_PARENTCLIP
971//
972//TODO: WM_SETREDRAW affects drawingAllowed flag!!
973//******************************************************************************
974HDC WIN32API GetDCEx (HWND hwnd, HRGN hrgn, ULONG flags)
975{
976 Win32BaseWindow *wnd = NULL;
977 HWND hWindow;
978 BOOL success;
979 pDCData pHps = NULL;
980 HPS hps = NULLHANDLE;
981 BOOL drawingAllowed = TRUE;
982 BOOL isWindowOwnDC;
983 BOOL creatingOwnDC = FALSE;
984 PS_Type psType;
985
986 if(hwnd == 0) {
987 dprintf(("error: GetDCEx window %x not found", hwnd));
988 SetLastError(ERROR_INVALID_WINDOW_HANDLE_W);
989 return 0;
990 }
991
992 if (hwnd)
993 {
994 wnd = Win32BaseWindow::GetWindowFromHandle(hwnd);
995 if(wnd == NULL) {
996 dprintf (("ERROR: User32: GetDCEx bad window handle %X!!!!!", hwnd));
997 SetLastError(ERROR_INVALID_WINDOW_HANDLE_W);
998 return 0;
999 }
1000 hWindow = wnd->getOS2WindowHandle();
1001 }
1002
1003 isWindowOwnDC = (((hWindow == HWND_DESKTOP) ? FALSE : (wnd->isOwnDC()))
1004 && !(flags & DCX_CACHE_W));
1005
1006 if(isWindowOwnDC)
1007 {
1008 hps = wnd->getOwnDC();
1009 if (hps)
1010 {
1011 pDCData pHps = (pDCData)GpiQueryDCData (hps);
1012 if (!pHps)
1013 goto error;
1014
1015 if(flags & DCX_WINDOW_W)
1016 removeClientArea(pHps);
1017 else
1018 selectClientArea(wnd, pHps, NULL);
1019
1020 setPageXForm (wnd, pHps);
1021 pHps->hdcType = TYPE_1;
1022
1023 dprintf (("User32: GetDCEx hwnd %x (%x %x) -> wnd %x hdc %x", hwnd, hrgn, flags, wnd, hps));
1024 return (HDC)hps;
1025 }
1026 else
1027 creatingOwnDC = TRUE;
1028 }
1029
1030 if(isWindowOwnDC)
1031 {
1032 SIZEL sizel = {0,0};
1033 hps = GpiCreatePS (WinQueryAnchorBlock (hWindow),
1034 WinOpenWindowDC (hWindow),
1035 &sizel, PU_PELS | GPIT_MICRO | GPIA_ASSOC );
1036 psType = MICRO;
1037 }
1038 else
1039 {
1040 if (hWindow == HWND_DESKTOP) {
1041 hps = WinGetScreenPS (hWindow);
1042 }
1043 else {
1044 int clipstyle = 0;
1045 int clipwnd = HWND_TOP;
1046 if(flags & (DCX_USESTYLE_W)) {
1047 int style = wnd->getStyle();
1048 if(style & WS_CLIPCHILDREN_W) {
1049 clipstyle |= PSF_CLIPCHILDREN;
1050 }
1051 if(style & WS_CLIPSIBLINGS_W) {
1052 clipstyle |= PSF_CLIPSIBLINGS;
1053 }
1054 if(wnd->fHasParentDC()) {
1055 clipstyle |= PSF_PARENTCLIP;
1056 }
1057 }
1058 if(flags & DCX_CLIPSIBLINGS_W) {
1059 clipstyle |= PSF_CLIPSIBLINGS;
1060 }
1061 if(flags & DCX_CLIPCHILDREN_W) {
1062 clipstyle |= PSF_CLIPCHILDREN;
1063 }
1064 if(flags & DCX_PARENTCLIP_W) {
1065 clipstyle |= PSF_PARENTCLIP;
1066 }
1067 if(clipstyle) {
1068 dprintf2(("WinGetClipPS style %x", clipstyle));
1069 hps = WinGetClipPS(hWindow, clipwnd, clipstyle);
1070 }
1071 else hps = WinGetPS (hWindow);
1072 }
1073 psType = MICRO_CACHED;
1074 }
1075
1076 if (!hps)
1077 goto error;
1078
1079 HPSToHDC (hWindow, hps, NULL, NULL);
1080 pHps = (pDCData)GpiQueryDCData (hps);
1081
1082 if(!(flags & DCX_WINDOW_W))
1083 {
1084 selectClientArea(wnd, pHps, NULL);
1085 }
1086 else removeClientArea(pHps);
1087
1088
1089 setMapMode(wnd, pHps, MM_TEXT_W);
1090
1091 if ((flags & DCX_EXCLUDERGN_W) || (flags & DCX_INTERSECTRGN_W))
1092 {
1093 ULONG BytesNeeded;
1094 PRGNDATA_W RgnData;
1095 PRECT pr;
1096 int i;
1097 RECTL rectl;
1098
1099 if (!hrgn)
1100 goto error;
1101
1102 success = TRUE;
1103 if (flags & DCX_EXCLUDERGN_W)
1104 {
1105#if 0 //CB: todo
1106 long height;
1107
1108 BytesNeeded = GetRegionData (hrgn, 0, NULL);
1109 RgnData = (PRGNDATA_W)_alloca (BytesNeeded);
1110 if (RgnData == NULL)
1111 goto error;
1112 GetRegionData (hrgn, BytesNeeded, RgnData);
1113
1114 i = RgnData->rdh.nCount;
1115 pr = (PRECT)(RgnData->Buffer);
1116
1117 if (flags & DCX_WINDOW_W)
1118 height = wnd->getWindowHeight();
1119 else height = wnd->getClientHeight();
1120
1121 for (; (i > 0) && success; i--, pr++) {
1122 LONG y = pr->yBottom;
1123
1124 pr->yBottom = height - pr->yTop;
1125 pr->yTop = height - y;
1126 success &= GpiExcludeClipRectangle (pHps->hps, pr);
1127 }
1128#endif
1129 }
1130 else //DCX_INTERSECTRGN_W
1131 {
1132 //SvL: I'm getting paint problems when clipping a dc created in GetDCEx
1133 // with a region that covers the entire window (RealPlayer 7 Update 1)
1134 // Using SelectClipRgn here doesn't make any difference.
1135 if(ExtSelectClipRgn(pHps->hps, hrgn, RGN_AND_W) == ERROR_W) {
1136 dprintf(("ExtSelectClipRgn failed!!"));
1137 }
1138 }
1139 if (!success)
1140 goto error;
1141 }
1142
1143 if (creatingOwnDC)
1144 wnd->setOwnDC ((HDC)hps);
1145
1146 pHps->psType = psType;
1147 pHps->hdcType = TYPE_1;
1148 //TODO: WM_SETREDRAW affects drawingAllowed flag!!
1149 GpiSetDrawControl (hps, DCTL_DISPLAY, drawingAllowed ? DCTL_ON : DCTL_OFF);
1150
1151 dprintf (("User32: GetDCEx hwnd %x (%x %x) -> hdc %x", hwnd, hrgn, flags, pHps->hps));
1152 return (HDC)pHps->hps;
1153
1154error:
1155 /* Something went wrong; clean up
1156 */
1157 dprintf(("ERROR: GetDCEx hwnd %x (%x %x) FAILED!", hwnd, hrgn, flags));
1158 DebugInt3();
1159 if (pHps)
1160 {
1161 if (pHps->hps)
1162 {
1163 if(pHps->psType == MICRO_CACHED)
1164 WinReleasePS(pHps->hps);
1165 else
1166 GpiDestroyPS(pHps->hps);
1167 }
1168
1169 if (pHps->hdc) DevCloseDC(pHps->hdc);
1170 if (pHps->hrgnHDC) GpiDestroyRegion(pHps->hps, pHps->hrgnHDC);
1171
1172 O32_DeleteObject (pHps->nullBitmapHandle);
1173 }
1174 SetLastError(ERROR_INVALID_PARAMETER_W);
1175 return NULL;
1176}
1177//******************************************************************************
1178//******************************************************************************
1179HDC WIN32API GetDC (HWND hwnd)
1180{
1181 if(!hwnd)
1182 return GetDCEx( GetDesktopWindow(), 0, DCX_CACHE_W | DCX_WINDOW_W );
1183 return GetDCEx (hwnd, NULL, 0);
1184}
1185//******************************************************************************
1186//******************************************************************************
1187HDC WIN32API GetWindowDC (HWND hwnd)
1188{
1189 if (!hwnd) hwnd = GetDesktopWindow();
1190 return GetDCEx (hwnd, NULL, DCX_WINDOW_W);
1191}
1192//******************************************************************************
1193// This implementation of RedrawWindow supports
1194// RDW_ERASE
1195// RDW_NOERASE
1196// RDW_INTERNALPAINT
1197// RDW_NOINTERNALPAINT
1198// RDW_INVALIDATE
1199// RDW_VALIDATE
1200// RDW_ERASENOW
1201// RDW_UPDATENOW
1202//******************************************************************************
1203BOOL WIN32API RedrawWindow(HWND hwnd, const RECT* pRect, HRGN hrgn, DWORD redraw)
1204{
1205 Win32BaseWindow *wnd;
1206
1207 if(pRect) {
1208 dprintf(("RedrawWindow %x (%d,%d)(%d,%d) %x %x", hwnd, pRect->left, pRect->top, pRect->right, pRect->bottom, hrgn, redraw));
1209 }
1210 else dprintf(("RedrawWindow %x %x %x %x", hwnd, pRect, hrgn, redraw));
1211
1212 if (hwnd == NULLHANDLE)
1213 {
1214#if 1
1215 // Don't do this for now (causes lots of desktop repaints in WordPad)
1216 SetLastError(ERROR_INVALID_PARAMETER_W);
1217 return FALSE;
1218#else
1219 hwnd = HWND_DESKTOP;
1220 wnd = Win32BaseWindow::GetWindowFromOS2Handle(OSLIB_HWND_DESKTOP);
1221
1222 if (!wnd)
1223 {
1224 dprintf(("USER32:dc: RedrawWindow can't find desktop window %08xh\n",
1225 hwnd));
1226 SetLastError(ERROR_INVALID_PARAMETER_W);
1227 return FALSE;
1228 }
1229#endif
1230 }
1231 else
1232 {
1233 wnd = Win32BaseWindow::GetWindowFromHandle (hwnd);
1234
1235 if (!wnd)
1236 {
1237 dprintf(("USER32:dc: RedrawWindow can't find window %08xh\n",
1238 hwnd));
1239 SetLastError(ERROR_INVALID_PARAMETER_W);
1240 return FALSE;
1241 }
1242 //TODO: If frame, exclude client window from update
1243 if(redraw & RDW_FRAME_W) {
1244 hwnd = wnd->getOS2WindowHandle();
1245 }
1246 else hwnd = wnd->getOS2WindowHandle();
1247
1248 }
1249
1250 BOOL IncludeChildren = redraw & RDW_ALLCHILDREN_W ? TRUE : FALSE;
1251 BOOL success = TRUE;
1252 HPS hpsTemp = NULLHANDLE;
1253 HRGN hrgnTemp = NULLHANDLE;
1254 RECTL rectl;
1255
1256 if (hrgn)
1257 {
1258 ULONG BytesNeeded;
1259 PRGNDATA_W RgnData;
1260 PRECTL pr;
1261 int i;
1262 LONG height = wnd ? wnd->getClientHeight() : OSLibQueryScreenHeight();
1263
1264 if (!hrgn)
1265 goto error;
1266
1267 BytesNeeded = O32_GetRegionData (hrgn, 0, NULL);
1268 RgnData = (PRGNDATA_W)_alloca (BytesNeeded);
1269 if (RgnData == NULL)
1270 goto error;
1271 O32_GetRegionData (hrgn, BytesNeeded, RgnData);
1272
1273 pr = (PRECTL)(RgnData->Buffer);
1274 for (i = RgnData->rdh.nCount; i > 0; i--, pr++) {
1275 LONG temp = pr->yTop;
1276 pr->yTop = height - pr->yBottom;
1277 pr->yBottom = height - temp;
1278 }
1279
1280 hpsTemp = WinGetScreenPS (HWND_DESKTOP);
1281 hrgnTemp = GpiCreateRegion (hpsTemp, RgnData->rdh.nCount, (PRECTL)(RgnData->Buffer));
1282 if (!hrgnTemp) goto error;
1283 }
1284 else if (pRect)
1285 {
1286 LONG height = wnd ? wnd->getClientHeight() : OSLibQueryScreenHeight();
1287
1288 PMRECT_FROM_WINRECT (rectl, *pRect);
1289 rectl.yTop = height - rectl.yTop;
1290 rectl.yBottom = height - rectl.yBottom;
1291 }
1292
1293 if (redraw & RDW_INVALIDATE_W)
1294 {
1295 //TODO: SvL: pingpong.exe doesn't have RDW_NOERASE, but doesn't want WM_ERASEBKGND msgs
1296 if (redraw & RDW_ERASE_W) {
1297 wnd->setEraseBkgnd(TRUE);
1298 }
1299
1300 if (!pRect && !hrgn)
1301 success = WinInvalidateRect (hwnd, NULL, IncludeChildren);
1302 else
1303 if (hrgn)
1304 success = WinInvalidateRegion (hwnd, hrgnTemp, IncludeChildren);
1305 else
1306 success = WinInvalidateRect (hwnd, &rectl, IncludeChildren);
1307
1308 if (!success) goto error;
1309 }
1310 else if (redraw & RDW_VALIDATE_W)
1311 {
1312 if (redraw & RDW_NOERASE_W)
1313 wnd->setEraseBkgnd(FALSE);
1314
1315 if (WinQueryUpdateRect (hwnd, NULL))
1316 {
1317 if (!pRect && !hrgn)
1318 success = WinValidateRect (hwnd, NULL, IncludeChildren);
1319 else
1320 if (hrgn)
1321 success = WinValidateRegion (hwnd, hrgnTemp, IncludeChildren);
1322 else
1323 success = WinValidateRect (hwnd, &rectl, IncludeChildren);
1324 if (!success) goto error;
1325 }
1326 }
1327
1328 if(WinQueryUpdateRect(hwnd, NULL))
1329 {
1330 //TODO: Does this work if RDW_ALLCHILDREN is set??
1331 if(redraw & RDW_UPDATENOW_W) {
1332 wnd->MsgPaint (0, FALSE);
1333 }
1334 else
1335// if((redraw & RDW_ERASE_W) && (redraw & RDW_ERASENOW_W))
1336 if(redraw & RDW_ERASENOW_W && wnd->needsEraseBkgnd())
1337 wnd->setEraseBkgnd(sendEraseBkgnd(wnd) == 0);
1338 }
1339 else if((redraw & RDW_INTERNALPAINT_W) && !(redraw & RDW_INVALIDATE_W))
1340 {
1341 if(redraw & RDW_UPDATENOW_W)
1342 wnd->MsgPaint (0, FALSE);
1343 else PostMessageA(hwnd, WINWM_PAINT, 0, 0);
1344 }
1345
1346error:
1347 /* clean up */
1348 if (hrgnTemp)
1349 GpiDestroyRegion (hpsTemp, hrgnTemp);
1350
1351 if (hpsTemp)
1352 WinReleasePS (hpsTemp);
1353
1354 if (!success)
1355 SetLastError(ERROR_INVALID_PARAMETER_W);
1356
1357 return (success);
1358}
1359//******************************************************************************
1360//******************************************************************************
1361BOOL WIN32API UpdateWindow (HWND hwnd)
1362{
1363 Win32BaseWindow *wnd = Win32BaseWindow::GetWindowFromHandle (hwnd);
1364
1365 if(!wnd) {
1366 SetLastError(ERROR_INVALID_WINDOW_HANDLE_W);
1367 return FALSE;
1368 }
1369
1370 dprintf (("User32: UpdateWindow hwnd %x", hwnd));
1371////SvL: This doesn't work right (Wine uses RDW_NOCHILDREN_W -> doesn't work here)
1372//// Breaks vpbuddy
1373//// return RedrawWindow( hwnd, NULL, 0, RDW_UPDATENOW_W | RDW_ALLCHILDREN_W);
1374 WinUpdateWindow(wnd->getOS2WindowHandle());
1375 return TRUE;
1376}
1377//******************************************************************************
1378//******************************************************************************
1379BOOL WIN32API InvalidateRect (HWND hwnd, const RECT *pRect, BOOL erase)
1380{
1381 BOOL result;
1382
1383 if(pRect) {
1384 dprintf(("InvalidateRect %x (%d,%d)(%d,%d) erase=%d", hwnd, pRect->left, pRect->top, pRect->right, pRect->bottom, erase));
1385 }
1386 else dprintf(("InvalidateRect %x NULL erase=%d", hwnd, erase));
1387 result = RedrawWindow (hwnd, pRect, NULLHANDLE,
1388 RDW_ALLCHILDREN_W | RDW_INVALIDATE_W |
1389 (erase ? RDW_ERASE_W : 0) |
1390 (hwnd == NULLHANDLE ? RDW_UPDATENOW_W : 0));
1391 return (result);
1392}
1393//******************************************************************************
1394//******************************************************************************
1395BOOL WIN32API InvalidateRgn (HWND hwnd, HRGN hrgn, BOOL erase)
1396{
1397 BOOL result;
1398
1399 dprintf(("InvalidateRgn %x %x erase=%d", hwnd, hrgn, erase));
1400 result = RedrawWindow (hwnd, NULL, hrgn,
1401 RDW_ALLCHILDREN_W | RDW_INVALIDATE_W |
1402 (erase ? RDW_ERASE_W : 0) |
1403 (hwnd == NULLHANDLE ? RDW_UPDATENOW_W : 0));
1404 return (result);
1405}
1406//******************************************************************************
1407//TODO: Change for client rectangle!!!!!
1408//******************************************************************************
1409BOOL setPMRgnIntoWinRgn (HRGN hrgnPM, HRGN hrgnWin, LONG height)
1410{
1411 BOOL rc;
1412 HPS hps = WinGetScreenPS (HWND_DESKTOP);
1413 RGNRECT rgnRect;
1414 rgnRect.ircStart = 1;
1415 rgnRect.crc = 0;
1416 rgnRect.ulDirection = RECTDIR_LFRT_TOPBOT; // doesn't make a difference because we're getting them all
1417
1418 rc = GpiQueryRegionRects (hps, hrgnPM, NULL, &rgnRect, NULL);
1419
1420 if (rc && (rgnRect.crcReturned > 0))
1421 {
1422 PRECTL Rcls = new RECTL[rgnRect.crcReturned];
1423 PRECTL pRcl = Rcls;
1424
1425 if (Rcls != NULL)
1426 {
1427 rgnRect.crc = rgnRect.crcReturned;
1428 rc = GpiQueryRegionRects (hps, hrgnPM, NULL, &rgnRect, Rcls);
1429
1430 rc = O32_SetRectRgn (hrgnWin, pRcl->xLeft,
1431 pRcl->xRight,
1432 height - pRcl->yTop,
1433 height - pRcl->yBottom);
1434
1435 if (rgnRect.crcReturned > 1)
1436 {
1437 int i;
1438 HRGN temp;
1439 temp = O32_CreateRectRgn (0, 0, 1, 1);
1440
1441 for (i = 1, pRcl++; rc && (i < rgnRect.crcReturned); i++, pRcl++)
1442 {
1443 rc = O32_SetRectRgn (temp, pRcl->xLeft,
1444 pRcl->xRight,
1445 height - pRcl->yTop,
1446 height - pRcl->yBottom);
1447 rc &= O32_CombineRgn (hrgnWin, hrgnWin, temp, RGN_OR_W);
1448 }
1449 O32_DeleteObject (temp);
1450 }
1451 delete[] Rcls;
1452 }
1453 else
1454 {
1455 rc = FALSE;
1456 }
1457 }
1458 else
1459 {
1460 rc = O32_SetRectRgn (hrgnWin, 0, 0, 0, 0);
1461 }
1462
1463 WinReleasePS (hps);
1464 return (rc);
1465}
1466//******************************************************************************
1467//TODO: Check if this one works correctly...
1468//******************************************************************************
1469BOOL WIN32API ScrollDC(HDC hDC, int dx, int dy, const RECT *pScroll,
1470 const RECT *pClip, HRGN hrgnUpdate, LPRECT pRectUpdate)
1471{
1472 BOOL rc = TRUE;
1473
1474 dprintf (("USER32: ScrollDC %x (%d,%d), %x %x %x %x", hDC, dx, dy, pScroll, pClip, hrgnUpdate, pRectUpdate));
1475
1476 if (!hDC)
1477 {
1478 return (FALSE);
1479 }
1480
1481 pDCData pHps = (pDCData)GpiQueryDCData ((HPS)hDC);
1482 HWND hwnd = pHps->hwnd;
1483 Win32BaseWindow *wnd = Win32BaseWindow::GetWindowFromHandle (hwnd);
1484
1485 if ((hwnd == NULLHANDLE) || !wnd)
1486 {
1487 return (FALSE);
1488 }
1489
1490 POINTL ptl[2] = { 0, 0, dx, dy };
1491
1492 GpiConvert (pHps->hps, CVTC_WORLD, CVTC_DEVICE, 2, ptl);
1493 dx = (int)(ptl[1].x - ptl[0].x);
1494 dy = (int)(ptl[1].y - ptl[0].y);
1495
1496 RECT scrollRect;
1497 RECT clipRect;
1498
1499 if (pClip)
1500 {
1501 memcpy(&clipRect, pClip, sizeof(clipRect));
1502
1503 if ((pHps->graphicsMode == GM_COMPATIBLE_W) &&
1504 (clipRect.left != clipRect.right) &&
1505 (clipRect.bottom != clipRect.top))
1506 {
1507 if (abs((int)pHps->viewportXExt) <= abs((int)pHps->windowExt.cx))
1508 clipRect.right -= abs(pHps->worldXDeltaFor1Pixel);
1509 else
1510 clipRect.left += abs(pHps->worldXDeltaFor1Pixel);
1511
1512 if (abs((int)pHps->viewportYExt) <= abs((int)pHps->windowExt.cy))
1513 clipRect.bottom -= abs(pHps->worldYDeltaFor1Pixel);
1514 else
1515 clipRect.top += abs(pHps->worldYDeltaFor1Pixel);
1516 }
1517 GpiConvert(pHps->hps, CVTC_WORLD, CVTC_DEVICE, 2, (PPOINTL)&clipRect);
1518 if (clipRect.right < clipRect.left) {
1519 ULONG temp = clipRect.left;
1520 clipRect.left = clipRect.right;
1521 clipRect.right = temp;
1522 }
1523 if (clipRect.bottom < clipRect.top) {
1524 ULONG temp = clipRect.top;
1525 clipRect.top = clipRect.bottom;
1526 clipRect.bottom = temp;
1527 }
1528 }
1529
1530 if (pScroll)
1531 {
1532 memcpy(&scrollRect, pScroll, sizeof(scrollRect));
1533
1534 if ((pHps->graphicsMode == GM_COMPATIBLE_W) &&
1535 (scrollRect.left != scrollRect.right) &&
1536 (scrollRect.top != scrollRect.bottom))
1537 {
1538 if (abs((int)pHps->viewportXExt) <= abs((int)pHps->windowExt.cx))
1539 scrollRect.right -= abs(pHps->worldXDeltaFor1Pixel);
1540 else
1541 scrollRect.left += abs(pHps->worldXDeltaFor1Pixel);
1542
1543 if (abs((int)pHps->viewportYExt) <= abs((int)pHps->windowExt.cy))
1544 scrollRect.bottom -= abs(pHps->worldYDeltaFor1Pixel);
1545 else
1546 scrollRect.top += abs(pHps->worldYDeltaFor1Pixel);
1547 }
1548 GpiConvert (pHps->hps, CVTC_WORLD, CVTC_DEVICE, 2, (PPOINTL)&scrollRect);
1549 if (scrollRect.right < scrollRect.left) {
1550 ULONG temp = scrollRect.left;
1551 scrollRect.left = scrollRect.right;
1552 scrollRect.right = temp;
1553 }
1554 if (scrollRect.bottom < scrollRect.top) {
1555 ULONG temp = scrollRect.top;
1556 scrollRect.top = scrollRect.bottom;
1557 scrollRect.bottom = temp;
1558 }
1559 }
1560 RECTL rectlUpdate;
1561 HRGN hrgn;
1562 RECTL clientRect;
1563 RECTL clipOS2;
1564 RECTL scrollOS2;
1565 PRECTL pScrollOS2 = NULL;
1566 PRECTL pClipOS2 = NULL;
1567
1568 mapWin32ToOS2Rect(wnd->getWindowHeight(), wnd->getClientRectPtr(), (PRECTLOS2)&clientRect);
1569
1570 if(pScroll) {
1571 mapWin32ToOS2RectClientToFrame(wnd, &scrollRect, (PRECTLOS2)&scrollOS2);
1572 pScrollOS2 = &scrollOS2;
1573
1574 //Scroll rectangle relative to client area
1575 WinIntersectRect ((HAB) 0, pScrollOS2, pScrollOS2, &clientRect);
1576 }
1577 else {
1578 pScrollOS2 = &clientRect;
1579 }
1580
1581 if(pClip) {
1582 mapWin32ToOS2RectClientToFrame(wnd, &clipRect, (PRECTLOS2)&clipOS2);
1583 pClipOS2 = &clipOS2;
1584
1585 //Clip rectangle relative to client area
1586 WinIntersectRect((HAB) 0, pClipOS2, pClipOS2, &clientRect);
1587 }
1588 else {
1589 pClipOS2 = &clientRect;
1590 }
1591
1592 LONG lComplexity = WinScrollWindow(hwnd, dx, dy, pScrollOS2,
1593 pClipOS2, hrgn, &rectlUpdate, 0);
1594 if (lComplexity == RGN_ERROR)
1595 {
1596 return (FALSE);
1597 }
1598
1599 RECT winRectUpdate;
1600
1601 mapOS2ToWin32Rect(wnd->getWindowHeight(), (PRECTLOS2)&rectlUpdate, &winRectUpdate);
1602
1603 if (pRectUpdate)
1604 *pRectUpdate = winRectUpdate;
1605
1606 if (hrgnUpdate)
1607 rc = setPMRgnIntoWinRgn(hrgn, hrgnUpdate, wnd->getWindowHeight());
1608
1609 return (rc);
1610}
1611//******************************************************************************
1612//******************************************************************************
1613BOOL WIN32API ScrollWindow(HWND hwnd, int dx, int dy, const RECT *pScroll, const RECT *pClip)
1614{
1615 Win32BaseWindow *window;
1616 APIRET rc;
1617 RECTL clientRect;
1618 RECTL scrollRect;
1619 RECTL clipRect;
1620 PRECTL pScrollOS2 = NULL;
1621 PRECTL pClipOS2 = NULL;
1622 ULONG scrollFlags = SW_INVALIDATERGN;
1623
1624 window = Win32BaseWindow::GetWindowFromHandle(hwnd);
1625 if(!window) {
1626 dprintf(("ScrollWindow, window %x not found", hwnd));
1627 return 0;
1628 }
1629 dprintf(("ScrollWindow %x %d %d %x %x", hwnd, dx, dy, pScroll, pClip));
1630
1631 mapWin32ToOS2Rect(window->getWindowHeight(), window->getClientRectPtr(), (PRECTLOS2)&clientRect);
1632
1633 if(pScroll) {
1634 mapWin32ToOS2RectClientToFrame(window,(RECT *)pScroll, (PRECTLOS2)&scrollRect);
1635 pScrollOS2 = &scrollRect;
1636
1637 //Scroll rectangle relative to client area
1638 WinIntersectRect ((HAB) 0, pScrollOS2, pScrollOS2, &clientRect);
1639 }
1640 else {
1641 pScrollOS2 = &clientRect;
1642 scrollFlags |= SW_SCROLLCHILDREN;
1643 }
1644
1645 if(pClip) {
1646 mapWin32ToOS2RectClientToFrame(window,(RECT *)pClip, (PRECTLOS2)&clipRect);
1647 pClipOS2 = &clipRect;
1648
1649 //Clip rectangle relative to client area
1650 WinIntersectRect ((HAB) 0, pClipOS2, pClipOS2, &clientRect);
1651 }
1652 else {
1653 pClipOS2 = &clientRect;
1654 }
1655
1656 dy = revertDy (window, dy);
1657
1658 rc = WinScrollWindow(window->getOS2WindowHandle(), dx, dy,
1659 pScrollOS2, pClipOS2, NULLHANDLE,
1660 NULL, scrollFlags);
1661
1662 return (rc != RGN_ERROR);
1663}
1664//******************************************************************************
1665//******************************************************************************
1666INT WIN32API ScrollWindowEx(HWND hwnd, int dx, int dy, const RECT *pScroll, const RECT *pClip,
1667 HRGN hrgnUpdate, PRECT pRectUpdate, UINT scrollFlag)
1668{
1669 Win32BaseWindow *window;
1670 APIRET rc;
1671 RECTL clientRect;
1672 RECTL scrollRect;
1673 RECTL clipRect;
1674 PRECTL pScrollOS2 = NULL;
1675 PRECTL pClipOS2 = NULL;
1676 ULONG scrollFlags = 0;
1677 int regionType = ERROR_W;
1678
1679 window = Win32BaseWindow::GetWindowFromHandle(hwnd);
1680 if(!window) {
1681 dprintf(("ScrollWindowEx, window %x not found", hwnd));
1682 return 0;
1683 }
1684
1685 dprintf(("ScrollWindowEx %x %d %d %x %x", hwnd, dx, dy, pScroll, pClip));
1686
1687 dy = revertDy (window, dy);
1688
1689 if (scrollFlag & SW_INVALIDATE_W) scrollFlags |= SW_INVALIDATERGN;
1690 if (scrollFlag & SW_SCROLLCHILDREN_W) scrollFlags |= SW_SCROLLCHILDREN;
1691
1692 mapWin32ToOS2Rect(window->getWindowHeight(), window->getClientRectPtr(), (PRECTLOS2)&clientRect);
1693
1694 if(pScroll) {
1695 mapWin32ToOS2RectClientToFrame(window,(RECT *)pScroll, (PRECTLOS2)&scrollRect);
1696 pScrollOS2 = &scrollRect;
1697
1698 //Scroll rectangle relative to client area
1699 WinIntersectRect ((HAB) 0, pScrollOS2, pScrollOS2, &clientRect);
1700 }
1701 else {
1702 pScrollOS2 = &clientRect;
1703 scrollFlags |= SW_SCROLLCHILDREN; //TODO: ?????
1704 }
1705
1706 if(pClip) {
1707 mapWin32ToOS2RectClientToFrame(window,(RECT *)pClip, (PRECTLOS2)&clipRect);
1708 pClipOS2 = &clipRect;
1709
1710 //Clip rectangle relative to client area
1711 WinIntersectRect ((HAB) 0, pClipOS2, pClipOS2, &clientRect);
1712 }
1713 else {
1714 pClipOS2 = &clientRect;
1715 }
1716
1717 RECTL rectlUpdate;
1718 HRGN hrgn;
1719
1720 if (scrollFlag & SW_SMOOTHSCROLL_W)
1721 {
1722 INT time = (scrollFlag >> 16) & 0xFFFF;
1723
1724 //CB: todo, scroll in several steps
1725 // is time in ms? time <-> iteration count?
1726 }
1727
1728 LONG lComplexity = WinScrollWindow (window->getOS2WindowHandle(), dx, dy,
1729 pScrollOS2,
1730 pClipOS2,
1731 hrgn, &rectlUpdate, scrollFlags);
1732 if (lComplexity == RGN_ERROR)
1733 {
1734 return ERROR_W;
1735 }
1736
1737 RECT winRectUpdate;
1738
1739 mapOS2ToWin32Rect(window->getWindowHeight(), (PRECTLOS2)&rectlUpdate, &winRectUpdate);
1740
1741 if (pRectUpdate)
1742 *pRectUpdate = winRectUpdate;
1743
1744 if (hrgnUpdate)
1745 rc = setPMRgnIntoWinRgn (hrgn, hrgnUpdate, window->getWindowHeight());
1746
1747#if 0
1748 //SvL: WinScrollWindow already invalidates the area; no need to do it again
1749 //(call to invalidateRect was wrong; has to include erase flag)
1750 if ((scrollFlag & SW_INVALIDATE_W) &&
1751 ((lComplexity == RGN_RECT) || (lComplexity == RGN_COMPLEX)))
1752 {
1753 rc = InvalidateRect (hwnd, &winRectUpdate, (scrollFlag & SW_ERASE_W) ? 1 : 0);
1754 if (rc == FALSE)
1755 {
1756 return (0);
1757 }
1758 }
1759#endif
1760
1761 switch (lComplexity)
1762 {
1763 case RGN_NULL:
1764 regionType = NULLREGION_W;
1765 break;
1766 case RGN_RECT:
1767 regionType = SIMPLEREGION_W;
1768 break;
1769 case RGN_COMPLEX:
1770 regionType = COMPLEXREGION_W;
1771 break;
1772 default:
1773 regionType = ERROR_W;
1774 break;
1775 }
1776
1777 return (regionType);
1778}
1779//******************************************************************************
1780//******************************************************************************
1781HWND WIN32API WindowFromDC(HDC hdc)
1782{
1783 pDCData pHps = (pDCData)GpiQueryDCData( (HPS)hdc );
1784
1785 dprintf2(("USER32: WindowFromDC %x", hdc));
1786 if ( pHps )
1787 return Win32BaseWindow::OS2ToWin32Handle(pHps->hwnd);
1788 else
1789 return 0;
1790}
1791//******************************************************************************
1792//******************************************************************************
1793INT WIN32API ExcludeUpdateRgn( HDC hDC, HWND hWnd)
1794{
1795 dprintf(("USER32: ExcludeUpdateRgn\n"));
1796 hWnd = Win32BaseWindow::Win32ToOS2Handle(hWnd);
1797
1798 return O32_ExcludeUpdateRgn(hDC,hWnd);
1799}
1800//******************************************************************************
1801//******************************************************************************
1802BOOL WIN32API ValidateRect( HWND hwnd, const RECT * lprc)
1803{
1804 if(lprc) {
1805 dprintf(("USER32: ValidateRect %x (%d,%d)(%d,%d)", hwnd, lprc->left, lprc->top, lprc->right, lprc->bottom));
1806 }
1807 else dprintf(("USER32: ValidateRect %x", hwnd));
1808
1809 return RedrawWindow( hwnd, lprc, 0, RDW_VALIDATE_W | RDW_NOCHILDREN_W | (hwnd==0 ? RDW_UPDATENOW_W : 0));
1810}
1811//******************************************************************************
1812//******************************************************************************
1813BOOL WIN32API ValidateRgn( HWND hwnd, HRGN hrgn)
1814{
1815 dprintf(("USER32: ValidateRgn %x %x", hwnd, hrgn));
1816 return RedrawWindow( hwnd, NULL, hrgn, RDW_VALIDATE_W | RDW_NOCHILDREN_W | (hwnd==0 ? RDW_UPDATENOW_W : 0));
1817}
1818/*****************************************************************************
1819 * Name : int WIN32API GetWindowRgn
1820 * Purpose : The GetWindowRgn function obtains a copy of the window region of a window.
1821 * Parameters: HWND hWnd handle to window whose window region is to be obtained
1822 * HRGN hRgn handle to region that receives a copy of the window region
1823 * Variables :
1824 * Result : NULLREGION, SIMPLEREGION, COMPLEXREGION, ERROR
1825 * Remark :
1826 * Status : UNTESTED STUB
1827 *
1828 * Author : Patrick Haller [Thu, 1998/02/26 11:55]
1829 *****************************************************************************/
1830
1831int WIN32API GetWindowRgn(HWND hwnd, HRGN hRgn)
1832{
1833 Win32BaseWindow *window;
1834 HRGN hWindowRegion;
1835
1836 window = Win32BaseWindow::GetWindowFromHandle(hwnd);
1837 if(!window) {
1838 dprintf(("SetWindowContextHelpId, window %x not found", hwnd));
1839 SetLastError(ERROR_INVALID_WINDOW_HANDLE_W);
1840 return 0;
1841 }
1842 dprintf(("USER32:GetWindowRgn (%x,%x)", hwnd, hRgn));
1843 hWindowRegion = window->GetWindowRegion();
1844
1845 return O32_CombineRgn(hRgn, hWindowRegion, 0, RGN_COPY_W);
1846}
1847/*****************************************************************************
1848 * Name : int WIN32API SetWindowRgn
1849 * Purpose : The SetWindowRgn function sets the window region of a window. The
1850 * window region determines the area within the window where the
1851 * operating system permits drawing. The operating system does not
1852 * display any portion of a window that lies outside of the window region
1853 * When this function is called, the system sends the WM_WINDOWPOSCHANGING and
1854 * WM_WINDOWPOSCHANGED messages to the window.
1855 *
1856 * Parameters: HWND hWnd handle to window whose window region is to be set
1857 * HRGN hRgn handle to region
1858 * BOOL bRedraw window redraw flag
1859 * Variables :
1860 * Result : If the function succeeds, the return value is non-zero.
1861 * If the function fails, the return value is zero.
1862 * Remark :
1863 * Status : UNTESTED STUB
1864 *
1865 * Author : Patrick Haller [Thu, 1998/02/26 11:55]
1866 *****************************************************************************/
1867
1868int WIN32API SetWindowRgn(HWND hwnd,
1869 HRGN hRgn,
1870 BOOL bRedraw)
1871{
1872 Win32BaseWindow *window;
1873 HRGN hWindowRegion;
1874
1875 window = Win32BaseWindow::GetWindowFromHandle(hwnd);
1876 if(!window) {
1877 dprintf(("SetWindowContextHelpId, window %x not found", hwnd));
1878 SetLastError(ERROR_INVALID_WINDOW_HANDLE_W);
1879 return 0;
1880 }
1881 dprintf(("USER32:SetWindowRgn (%x,%x,%d)", hwnd, hRgn, bRedraw));
1882 if(window->GetWindowRegion()) {
1883 O32_DeleteObject(window->GetWindowRegion());
1884 }
1885 window->SetWindowRegion(hRgn);
1886 if(bRedraw) {
1887 RedrawWindow(hwnd, 0, 0, RDW_UPDATENOW_W);
1888 }
1889//TODO:
1890// When this function is called, the system sends the WM_WINDOWPOSCHANGING and
1891// WM_WINDOWPOSCHANGED messages to the window.
1892 return 1;
1893}
1894//******************************************************************************
1895//******************************************************************************
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