source: trunk/src/user32/dc.cpp@ 7702

Last change on this file since 7702 was 7702, checked in by sandervl, 24 years ago

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1/* $Id: dc.cpp,v 1.115 2001-12-30 10:47:43 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#include <stats.h>
39
40#define INCLUDED_BY_DC
41#include "dc.h"
42
43#define DBG_LOCALLOG DBG_dc
44#include "dbglocal.h"
45
46#ifndef DEVESC_SETPS
47 #define DEVESC_SETPS 49149L
48#endif
49
50#define FLOAT_TO_FIXED(x) ((FIXED) ((x) * 65536.0))
51#define MICRO_HPS_TO_HDC(x) ((x) & 0xFFFFFFFE)
52
53#define PMRECT_FROM_WINRECT( pmRect, winRect ) \
54{ \
55 (pmRect).xLeft = (winRect).left; \
56 (pmRect).yBottom = (winRect).bottom; \
57 (pmRect).xRight = (winRect).right; \
58 (pmRect).yTop = (winRect).top; \
59}
60
61#define WINRECT_FROM_PMRECT( winRect, pmRect ) \
62{ \
63 (winRect).left = (pmRect).xLeft; \
64 (winRect).top = (pmRect).yTop; \
65 (winRect).right = (pmRect).xRight; \
66 (winRect).bottom = (pmRect).yBottom; \
67}
68
69#define MEM_HPS_MAX 768
70
71const XFORM_W XFORMIdentity = { 1.0, 0.0, 0.0, 1.0, 0, 0 };
72const MATRIXLF matrixlfIdentity = { 0x10000, 0, 0, 0, 0x10000, 0, 0, 0, 0};
73
74BOOL setPageXForm(Win32BaseWindow *wnd, pDCData pHps);
75BOOL changePageXForm(Win32BaseWindow *wnd, pDCData pHps, PPOINTL pValue, int x, int y, PPOINTL pPrev);
76LONG clientHeight(Win32BaseWindow *wnd, HWND hwnd, pDCData pHps);
77
78#ifdef DEBUG
79#define dprintfRegion(a,b,c) if(DbgEnabledLvl2USER32[DBG_LOCALLOG] == 1) dprintfRegion1(a,b,c)
80//#define dprintfRegion(a,b,c) dprintfRegion1(a,b,c)
81
82void dprintfRegion1(HPS hps, HWND hWnd, HRGN hrgnClip)
83{
84 RGNRECT rgnRect = {0, 16, 0, RECTDIR_LFRT_TOPBOT};
85 RECTL rectRegion[16];
86 APIRET rc;
87
88 dprintf(("dprintfRegion %x %x", hWnd, hps));
89 rc = GpiQueryRegionRects(hps, hrgnClip, NULL, &rgnRect, &rectRegion[0]);
90 for(int i=0;i<rgnRect.crcReturned;i++) {
91 dprintf(("(%d,%d)(%d,%d)", rectRegion[i].xLeft, rectRegion[i].yBottom, rectRegion[i].xRight, rectRegion[i].yTop));
92 }
93}
94#else
95#define dprintfRegion(a,b,c)
96#endif
97
98//******************************************************************************
99//******************************************************************************
100void WIN32API TestWideLine (pDCData pHps)
101{
102 const LOGPEN_W *pLogPen;
103
104 pHps->isWideLine = FALSE;
105 pLogPen = pHps->penIsExtPen ?
106 &(pHps->lastPenObject->ExtPen.logpen) :
107 &(pHps->lastPenObject->Pen.logpen);
108
109 if (((pLogPen->lopnStyle & PS_STYLE_MASK_W) != PS_NULL_W) &&
110 (pLogPen->lopnWidth.x > 0))
111 {
112 POINTL aptl[2] = { 0, 0, pLogPen->lopnWidth.x, pLogPen->lopnWidth.x };
113
114 GpiConvert(pHps->hps, CVTC_WORLD, CVTC_DEVICE, 2, aptl);
115
116 ULONG dx = abs(aptl[0].x - aptl[1].x);
117 ULONG dy = abs(aptl[0].y - aptl[1].y);
118
119 pHps->isWideLine = (dx > 1) || (dy > 1);
120 }
121}
122//******************************************************************************
123//******************************************************************************
124void WIN32API Calculate1PixelDelta(pDCData pHps)
125{
126 POINTL aptl[2] = {0, 0, 1, 1};
127
128 GpiConvert(pHps->hps, CVTC_DEVICE, CVTC_WORLD, 2, aptl);
129 pHps->worldYDeltaFor1Pixel = (int)(aptl[1].y - aptl[0].y);
130 pHps->worldXDeltaFor1Pixel = (int)(aptl[1].x - aptl[0].x); // 171182
131}
132//******************************************************************************
133//******************************************************************************
134int setMapMode(Win32BaseWindow *wnd, pDCData pHps, int mode)
135{
136 int prevMode = 0;
137 ULONG flOptions;
138
139 switch (mode)
140 {
141 case MM_HIENGLISH_W : flOptions = PU_HIENGLISH; break;
142 case MM_LOENGLISH_W : flOptions = PU_LOENGLISH; break;
143 case MM_HIMETRIC_W : flOptions = PU_HIMETRIC ; break;
144 case MM_LOMETRIC_W : flOptions = PU_LOMETRIC ; break;
145 case MM_TEXT_W : flOptions = PU_PELS ; break;
146 case MM_TWIPS_W : flOptions = PU_TWIPS ; break;
147 case MM_ANISOTROPIC_W: flOptions = PU_PELS ; break;
148 case MM_ISOTROPIC_W : flOptions = PU_LOMETRIC ; break;
149 default:
150 SetLastError(ERROR_INVALID_PARAMETER_W);
151 return FALSE;
152 }
153
154 prevMode = pHps->MapMode; /* store previous mode */
155 pHps->MapMode = mode;
156
157 if (mode == MM_TEXT_W)
158 {
159 pHps->viewportXExt =
160 pHps->viewportYExt = 1.0;
161 pHps->windowExt.cx =
162 pHps->windowExt.cy = 1;
163 }
164 else if (mode != MM_ANISOTROPIC_W)
165 {
166 RECTL rectl;
167 SIZEL sizel;
168 ULONG data[3];
169
170 data[0] = flOptions;
171 data[1] = data[2] = 0;
172
173 if (DevEscape(pHps->hdc ? pHps->hdc : pHps->hps, DEVESC_SETPS, 12, (PBYTE)data, 0, 0) == DEVESC_ERROR)
174 {
175 SetLastError(ERROR_INVALID_PARAMETER_W);
176 return 0;
177 }
178
179 GpiQueryPageViewport(pHps->hps, &rectl);
180 pHps->viewportXExt = (double)rectl.xRight;
181 pHps->viewportYExt = -(double)rectl.yTop;
182
183 GreGetPageUnits(pHps->hdc? pHps->hdc : pHps->hps, &sizel);
184 pHps->windowExt.cx = sizel.cx;
185 pHps->windowExt.cy = sizel.cy;
186
187 data[0] = PU_PELS;
188 DevEscape(pHps->hdc ? pHps->hdc : pHps->hps, DEVESC_SETPS, 12, (PBYTE)data, 0, 0);
189 }
190
191 if (((prevMode != MM_ISOTROPIC_W) && (prevMode != MM_ANISOTROPIC_W)) &&
192 ((mode == MM_ISOTROPIC_W) || (mode == MM_ANISOTROPIC_W)))
193 {
194 if (pHps->lWndXExtSave && pHps->lWndYExtSave)
195 {
196 changePageXForm (wnd, pHps, (PPOINTL)&pHps->windowExt,
197 pHps->lWndXExtSave, pHps->lWndYExtSave, NULL );
198 pHps->lWndXExtSave = pHps->lWndYExtSave = 0;
199 }
200 if (pHps->lVwpXExtSave && pHps->lVwpYExtSave)
201 {
202 changePageXForm (wnd, pHps, NULL,
203 pHps->lVwpXExtSave, pHps->lVwpYExtSave, NULL );
204 pHps->lVwpXExtSave = pHps->lVwpYExtSave = 0;
205 }
206 }
207
208 setPageXForm(wnd, pHps);
209
210 return prevMode;
211}
212//******************************************************************************
213//******************************************************************************
214BOOL setPageXForm(Win32BaseWindow *wnd, pDCData pHps)
215{
216 MATRIXLF mlf;
217 BOOL rc = TRUE;
218
219 pHps->height = clientHeight(wnd, 0, pHps) - 1;
220
221 double xScale = pHps->viewportXExt / (double)pHps->windowExt.cx;
222 double yScale = pHps->viewportYExt / (double)pHps->windowExt.cy;
223
224#if 0
225 mlf.fxM11 = FLOAT_TO_FIXED(1.0);
226 mlf.fxM12 = 0;
227 mlf.lM13 = 0;
228 mlf.fxM21 = 0;
229 mlf.fxM22 = FLOAT_TO_FIXED(1.0);
230 mlf.lM23 = 0;
231 mlf.lM31 = pHps->viewportOrg.x - (LONG)(pHps->windowOrg.x * xScale);
232 mlf.lM32 = pHps->viewportOrg.y - (LONG)(pHps->windowOrg.y * yScale);
233 mlf.lM33 = 1;
234
235//testestest
236 if(wnd && wnd->getWindowWidth() && wnd->getWindowHeight())
237 {
238 RECTL recttmp, rectviewold;
239
240 rc = GpiQueryPageViewport(pHps->hps, &rectviewold);
241 if(rc == 0) {
242 dprintf(("WARNING: GpiQueryPageViewport returned FALSE!!"));
243 }
244 recttmp.xLeft = 0;
245 recttmp.xRight = ((double)GetScreenWidth() / xScale);
246 recttmp.yBottom = 0;
247 recttmp.yTop = ((double)GetScreenHeight() / yScale);
248
249 if(recttmp.yTop != rectviewold.yTop ||
250 recttmp.xRight != rectviewold.xRight)
251 {
252 if(pHps->viewportYExt > pHps->windowExt.cy) {//scaling up means we have to invert the y values
253 recttmp.yBottom = GetScreenHeight() - recttmp.yTop;
254 recttmp.yTop = GetScreenHeight();
255 }
256 dprintf(("GpiSetPageViewport %x (%d,%d)(%d,%d) %f %f", pHps->hps, recttmp.xLeft, recttmp.yBottom, recttmp.xRight, recttmp.yTop, xScale, yScale));
257 rc = GpiSetPageViewport(pHps->hps, &recttmp);
258 if(rc == 0) {
259 dprintf(("WARNING: GpiSetPageViewport returned FALSE!!"));
260 }
261 }
262 }
263//testestest
264
265#else
266 mlf.fxM11 = FLOAT_TO_FIXED(xScale);
267 mlf.fxM12 = 0;
268 mlf.lM13 = 0;
269 mlf.fxM21 = 0;
270 mlf.fxM22 = FLOAT_TO_FIXED(yScale);
271 mlf.lM23 = 0;
272 mlf.lM31 = pHps->viewportOrg.x - (LONG)(pHps->windowOrg.x * xScale);
273 mlf.lM32 = pHps->viewportOrg.y - (LONG)(pHps->windowOrg.y * yScale);
274 mlf.lM33 = 1;
275#endif
276
277 pHps->isLeftLeft = mlf.fxM11 >= 0;
278 pHps->isTopTop = mlf.fxM22 >= 0;
279
280 BOOL bEnableYInversion = FALSE;
281 if ((mlf.fxM22 > 0) ||
282 ((pHps->graphicsMode == GM_ADVANCED_W) &&
283 ((pHps->MapMode == MM_ANISOTROPIC_W) ||
284 (pHps->MapMode == MM_ISOTROPIC_W))))
285 {
286 bEnableYInversion = TRUE;
287 }
288 else
289 {
290 bEnableYInversion = FALSE;
291 mlf.lM32 = pHps->HPStoHDCInversionHeight + pHps->height - mlf.lM32;
292 mlf.fxM22 = -mlf.fxM22;
293 }
294
295 if (!pHps->isMetaPS)
296// if ((!pHps->isMetaPS) ||
297// (pHps->pMetaFileObject && pHps->pMetaFileObject->isEnhanced()))
298 rc = GpiSetDefaultViewMatrix(pHps->hps, 8, &mlf, TRANSFORM_REPLACE);
299 if(rc == 0) {
300 dprintf(("WARNING: GpiSetDefaultViewMatrix returned FALSE!!"));
301 }
302#ifdef INVERT
303 if (bEnableYInversion)
304 GpiEnableYInversion(pHps->hps, pHps->height + pHps->HPStoHDCInversionHeight);
305 else
306 GpiEnableYInversion(pHps->hps, 0);
307#else
308 pHps->yInvert = 0;
309 if(bEnableYInversion)
310 {
311 pHps->yInvert4Enable = pHps->height + pHps->HPStoHDCInversionHeight;
312 if(pHps->isPrinter)
313 {
314 pHps->yInvert = pHps->yInvert4Enable
315 * (pHps->windowExt.cy / (double)pHps->viewportYExt);
316 } else {
317 pHps->yInvert = pHps->yInvert4Enable;
318 }
319 }
320#endif
321
322 TestWideLine(pHps);
323 Calculate1PixelDelta(pHps);
324 return rc;
325}
326//******************************************************************************
327//******************************************************************************
328BOOL changePageXForm(Win32BaseWindow *wnd, pDCData pHps, PPOINTL pValue, int x, int y, PPOINTL pPrev)
329{
330 BOOL result = FALSE;
331
332 if (pValue)
333 {
334 if (pPrev)
335 *pPrev = *pValue;
336
337 if ((pValue->x == x) && (pValue->y == y)) {
338 return TRUE;
339 }
340 pValue->x = x;
341 pValue->y = y;
342 }
343 else
344 {
345 if (pPrev)
346 {
347 pPrev->x = (int)pHps->viewportXExt;
348 pPrev->y = (int)pHps->viewportYExt;
349 }
350 pHps->viewportXExt = (double)x;
351 pHps->viewportYExt = (double)y;
352 }
353
354 if (pHps->MapMode == MM_ISOTROPIC_W)
355 {
356 double xExt = fabs(pHps->viewportXExt);
357 double yExt = fabs(pHps->viewportYExt);
358 double sf = fabs((double)pHps->windowExt.cx / pHps->windowExt.cy);
359
360 if (xExt > (yExt * sf))
361 {
362 xExt = yExt * sf;
363
364 if ((double)LONG_MAX <= xExt) return (result);
365
366 if (pHps->viewportXExt < 0.0)
367 pHps->viewportXExt = -xExt;
368 else
369 pHps->viewportXExt = xExt;
370 }
371 else
372 {
373 yExt = xExt / sf;
374
375 if ((double)LONG_MAX <= yExt) return (result);
376
377 if (pHps->viewportYExt < 0.0)
378 pHps->viewportYExt = -yExt;
379 else
380 pHps->viewportYExt = yExt;
381 }
382 }
383 result = setPageXForm(wnd, pHps);
384
385 return (result);
386}
387//******************************************************************************
388//******************************************************************************
389VOID removeClientArea(Win32BaseWindow *window, pDCData pHps)
390{
391 pHps->isClient = FALSE;
392 pHps->isClientArea = FALSE;
393}
394//******************************************************************************
395//******************************************************************************
396void selectClientArea(Win32BaseWindow *window, pDCData pHps)
397{
398 pHps->isClient = TRUE;
399 pHps->isClientArea = TRUE;
400}
401//******************************************************************************
402//******************************************************************************
403void selectClientArea(Win32BaseWindow *wnd, HDC hdc)
404{
405 pDCData pHps = (pDCData)GpiQueryDCData (wnd->getOwnDC());
406
407 if (pHps != NULLHANDLE)
408 selectClientArea(wnd, pHps);
409}
410//******************************************************************************
411//******************************************************************************
412LONG clientHeight(Win32BaseWindow *wnd, HWND hwnd, pDCData pHps)
413{
414 if ((hwnd == 0) && (pHps != 0))
415 hwnd = pHps->hwnd;
416
417 if ((hwnd != 0) || (pHps == 0))
418 {
419 if(wnd) {
420 if(pHps && !pHps->isClientArea) {
421 return (wnd->getWindowHeight());
422 }
423 else return (wnd->getClientHeight());
424 }
425 else return OSLibQueryScreenHeight();
426 }
427 else if (pHps->bitmapHandle)
428 {
429 return pHps->bitmapHeight;
430 }
431 else if (pHps->isMetaPS)
432 {
433 return 0;
434 }
435 else if (pHps->isPrinter)
436 {
437 return pHps->printPageHeight;
438 }
439 else
440 {
441 return MEM_HPS_MAX;
442 }
443}
444//******************************************************************************
445//******************************************************************************
446BOOL WIN32API changePageXForm(pDCData pHps, PPOINTL pValue, int x, int y, PPOINTL pPrev)
447{
448 Win32BaseWindow *wnd;
449
450 if(pHps->isClient) {
451 wnd = Win32BaseWindow::GetWindowFromOS2Handle(pHps->hwnd);
452 }
453 else wnd = Win32BaseWindow::GetWindowFromOS2FrameHandle(pHps->hwnd);
454 BOOL ret = changePageXForm(wnd, pHps, pValue, x, y, pPrev);
455 if(wnd) RELEASE_WNDOBJ(wnd);
456 return ret;
457}
458//******************************************************************************
459//******************************************************************************
460BOOL WIN32API setPageXForm(pDCData pHps)
461{
462 Win32BaseWindow *wnd;
463
464 if(pHps->isClient) {
465 wnd = Win32BaseWindow::GetWindowFromOS2Handle(pHps->hwnd);
466 }
467 else wnd = Win32BaseWindow::GetWindowFromOS2FrameHandle(pHps->hwnd);
468 BOOL ret = setPageXForm(wnd, pHps);
469 if(wnd) RELEASE_WNDOBJ(wnd);
470 return ret;
471}
472//******************************************************************************
473//******************************************************************************
474VOID WIN32API removeClientArea(pDCData pHps)
475{
476 Win32BaseWindow *wnd;
477
478 if(pHps->isClient) {
479 wnd = Win32BaseWindow::GetWindowFromOS2Handle(pHps->hwnd);
480 }
481 else wnd = Win32BaseWindow::GetWindowFromOS2FrameHandle(pHps->hwnd);
482 if(wnd) {
483 removeClientArea(wnd, pHps);
484 RELEASE_WNDOBJ(wnd);
485 }
486}
487//******************************************************************************
488//******************************************************************************
489VOID WIN32API selectClientArea(pDCData pHps)
490{
491 Win32BaseWindow *wnd;
492
493 if(pHps->isClient) {
494 wnd = Win32BaseWindow::GetWindowFromOS2Handle(pHps->hwnd);
495 }
496 else wnd = Win32BaseWindow::GetWindowFromOS2FrameHandle(pHps->hwnd);
497 if(wnd) {
498 selectClientArea(wnd, pHps);
499 RELEASE_WNDOBJ(wnd);
500 }
501}
502//******************************************************************************
503//******************************************************************************
504VOID WIN32API checkOrigin(pDCData pHps)
505{
506 Win32BaseWindow *wnd;
507
508 if(pHps->isClient) {
509 wnd = Win32BaseWindow::GetWindowFromOS2Handle(pHps->hwnd);
510 }
511 else wnd = Win32BaseWindow::GetWindowFromOS2FrameHandle(pHps->hwnd);
512 if(wnd) {
513 if(pHps->isClient)
514 selectClientArea(wnd, pHps);
515 RELEASE_WNDOBJ(wnd);
516 }
517}
518//******************************************************************************
519//******************************************************************************
520LONG WIN32API clientHeight(HWND hwnd, pDCData pHps)
521{
522 Win32BaseWindow *wnd;
523
524 if(!pHps) {
525 wnd = Win32BaseWindow::GetWindowFromOS2Handle(hwnd);
526 }
527 else
528 if(pHps->isClient) {
529 wnd = Win32BaseWindow::GetWindowFromOS2Handle(pHps->hwnd);
530 }
531 else wnd = Win32BaseWindow::GetWindowFromOS2FrameHandle(pHps->hwnd);
532 LONG ret = clientHeight(wnd, hwnd, pHps);
533 if(wnd) RELEASE_WNDOBJ(wnd);
534 return ret;
535}
536//******************************************************************************
537//******************************************************************************
538int WIN32API setMapModeDC(pDCData pHps, int mode)
539{
540 Win32BaseWindow *wnd;
541
542 if(pHps->isClient) {
543 wnd = Win32BaseWindow::GetWindowFromOS2Handle(pHps->hwnd);
544 }
545 else wnd = Win32BaseWindow::GetWindowFromOS2FrameHandle(pHps->hwnd);
546 int ret = setMapMode(wnd, pHps, mode);
547 if(wnd) RELEASE_WNDOBJ(wnd);
548 return ret;
549}
550//******************************************************************************
551//******************************************************************************
552BOOL isYup (pDCData pHps)
553{
554 if (((pHps->windowExt.cy < 0) && (pHps->viewportYExt > 0.0)) ||
555 ((pHps->windowExt.cy > 0) && (pHps->viewportYExt < 0.0)))
556 {
557 if ((pHps->graphicsMode == GM_COMPATIBLE_W) ||
558 ((pHps->graphicsMode == GM_ADVANCED_W) && (pHps->xform.eM22 >= 0.0)))
559 return TRUE;
560 }
561 else
562 {
563 if ((pHps->graphicsMode == GM_ADVANCED_W) && (pHps->xform.eM22 < 0.0))
564 return TRUE;
565 }
566 return FALSE;
567}
568//******************************************************************************
569//******************************************************************************
570INT revertDy (Win32BaseWindow *wnd, INT dy)
571{
572 //SvL: Hack for memory.exe (doesn't get repainted properly otherwise)
573// if (wnd->isOwnDC() && wnd->getOwnDC())
574 if (wnd->isOwnDC())
575 {
576 pDCData pHps = (pDCData)GpiQueryDCData (wnd->getOwnDC());
577
578 if (pHps != NULLHANDLE)
579 if (!isYup (pHps))
580 dy = -dy;
581 }
582 else
583 {
584 dy = -dy;
585 }
586 return (dy);
587}
588//******************************************************************************
589//******************************************************************************
590HDC sendEraseBkgnd (Win32BaseWindow *wnd)
591{
592 BOOL erased;
593 HWND hwnd;
594 HDC hdc;
595 HPS hps;
596 HRGN hrgnUpdate, hrgnOld, hrgnClip, hrgnCombined;
597 RECTL rectl = { 1, 1, 2, 2 };
598
599 hwnd = wnd->getOS2WindowHandle();
600 hps = WinGetPS(hwnd);
601
602 hrgnUpdate = GpiCreateRegion (hps, 1, &rectl);
603 WinQueryUpdateRegion (hwnd, hrgnUpdate);
604 hrgnClip = GpiQueryClipRegion (hps);
605
606 if (hrgnClip == NULLHANDLE)
607 {
608 GpiSetClipRegion (hps, hrgnUpdate, &hrgnOld);
609 }
610 else
611 {
612 hrgnCombined = GpiCreateRegion (hps, 1, &rectl);
613 GpiCombineRegion (hps, hrgnCombined, hrgnClip, hrgnUpdate, CRGN_AND);
614 GpiSetClipRegion (hps, hrgnCombined, &hrgnOld);
615 GpiDestroyRegion (hps, hrgnUpdate);
616 GpiDestroyRegion (hps, hrgnClip);
617 }
618 if (hrgnOld != NULLHANDLE)
619 GpiDestroyRegion (hps, hrgnOld);
620
621 hdc = HPSToHDC (hwnd, hps, NULL, NULL);
622
623 erased = wnd->MsgEraseBackGround (hdc);
624
625 DeleteHDC (hdc);
626 WinReleasePS (hps);
627
628 return erased;
629}
630//******************************************************************************
631//******************************************************************************
632void releaseOwnDC (HDC hps)
633{
634 pDCData pHps = (pDCData)GpiQueryDCData ((HPS)hps);
635
636 dprintf2(("releaseOwnDC %x", hps));
637
638 if (pHps) {
639 if (pHps->hrgnHDC)
640 GpiDestroyRegion (pHps->hps, pHps->hrgnHDC);
641
642 GpiSetBitmap (pHps->hps, NULL);
643 O32_DeleteObject (pHps->nullBitmapHandle);
644 GpiDestroyPS(pHps->hps);
645
646 if (pHps->hdc)
647 DevCloseDC(pHps->hdc);
648 }
649}
650//******************************************************************************
651//******************************************************************************
652HDC WIN32API BeginPaint (HWND hWnd, PPAINTSTRUCT_W lpps)
653{
654 HWND hwnd = hWnd ? hWnd : HWND_DESKTOP;
655 pDCData pHps = NULLHANDLE;
656 HPS hPS_ownDC = NULLHANDLE, hpsPaint = 0;
657 RECTL rectl = {0, 0, 1, 1};
658 HRGN hrgnOldClip;
659 LONG lComplexity;
660 RECTL rectlClient;
661 RECTL rectlClip;
662
663 if(lpps == NULL) {
664 //BeginPaint does NOT change last error in this case
665 //(verified in NT4, SP6)
666 dprintf (("USER32: BeginPaint %x NULL PAINTSTRUCT pointer", hWnd));
667 return 0;
668 }
669 memset(lpps, 0, sizeof(*lpps));
670
671 Win32BaseWindow *wnd = Win32BaseWindow::GetWindowFromHandle(hwnd);
672 if(!wnd) {
673 dprintf (("USER32: BeginPaint %x %x: invalid window handle!!", hWnd, lpps));
674 SetLastError(ERROR_INVALID_WINDOW_HANDLE_W); //(verified in NT4, SP6)
675 return (HDC)0;
676 }
677 HWND hwndClient = wnd->getOS2WindowHandle();
678
679 if(hwnd != HWND_DESKTOP && wnd->isOwnDC())
680 {
681 hPS_ownDC = wnd->getOwnDC();
682 //SvL: Hack for memory.exe (doesn't get repainted properly otherwise)
683 if(hPS_ownDC) {
684 pHps = (pDCData)GpiQueryDCData(hPS_ownDC);
685 if (!pHps)
686 {
687 dprintf (("USER32: BeginPaint %x invalid parameter %x", hWnd, lpps));
688 RELEASE_WNDOBJ(wnd);
689 SetLastError(ERROR_INVALID_PARAMETER_W);
690 return (HDC)NULLHANDLE;
691 }
692 hpsPaint = hPS_ownDC;
693 }
694 }
695 if(!hpsPaint) {
696 hpsPaint = GetDCEx(hwnd, 0, (DCX_CACHE_W|DCX_USESTYLE_W));
697 pHps = (pDCData)GpiQueryDCData(hpsPaint);
698 if (!pHps)
699 {
700 dprintf (("USER32: BeginPaint %x invalid parameter %x", hWnd, lpps));
701 RELEASE_WNDOBJ(wnd);
702 SetLastError(ERROR_INVALID_PARAMETER_W);
703 return (HDC)NULLHANDLE;
704 }
705 }
706
707 if(WinQueryUpdateRect(hwndClient, &rectl) == FALSE)
708 {
709 memset(&rectl, 0, sizeof(rectl));
710 dprintf (("USER32: WARNING: WinQueryUpdateRect failed (error or no update rectangle)!!"));
711
712 HRGN hrgnClip = GpiCreateRegion(pHps->hps, 1, &rectl);
713 GpiSetClipRegion(pHps->hps, hrgnClip, &hrgnOldClip);
714
715 selectClientArea(wnd, pHps);
716
717 //save old clip region (restored for CS_OWNDC windows in EndPaint)
718 wnd->SetClipRegion(hrgnOldClip);
719 lComplexity = RGN_NULL;
720 }
721 else {
722 rectlClip.yBottom = rectlClip.xLeft = 0;
723 rectlClip.yTop = rectlClip.xRight = 1;
724
725 //Query update region
726 HRGN hrgnClip = GpiCreateRegion(pHps->hps, 1, &rectlClip);
727 WinQueryUpdateRegion(hwndClient, hrgnClip);
728 WinValidateRegion(hwndClient, hrgnClip, FALSE);
729
730 dprintfRegion(pHps->hps, wnd->getWindowHandle(), hrgnClip);
731
732#ifdef DEBUG
733 //Note: GpiQueryClipBox returns logical points
734 lComplexity = GpiQueryClipBox(pHps->hps, &rectlClip);
735 dprintf(("ClipBox (%d): (%d,%d)(%d,%d)", lComplexity, rectlClip.xLeft, rectlClip.yBottom, rectlClip.xRight, rectlClip.yTop));
736#endif
737
738 //set clip region
739 lComplexity = GpiSetClipRegion(pHps->hps, hrgnClip, &hrgnOldClip);
740
741 if(lComplexity == RGN_NULL) {
742 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())));
743 }
744 else dprintf (("BeginPaint %x: (show=%d/%d vis=%d/%d)", hWnd, WinIsWindowVisible(wnd->getOS2FrameWindowHandle()), WinIsWindowVisible(wnd->getOS2WindowHandle()), WinIsWindowShowing(wnd->getOS2FrameWindowHandle()), WinIsWindowShowing(wnd->getOS2WindowHandle())));
745
746 selectClientArea(wnd, pHps);
747
748#ifdef DEBUG
749 //Note: GpiQueryClipBox returns logical points
750 GpiQueryClipBox(pHps->hps, &rectlClip);
751 dprintf(("ClipBox (%d): (%d,%d)(%d,%d)", lComplexity, rectlClip.xLeft, rectlClip.yBottom, rectlClip.xRight, rectlClip.yTop));
752#endif
753 //save old clip region (restored for CS_OWNDC windows in EndPaint)
754 wnd->SetClipRegion(hrgnOldClip);
755 }
756
757 if(hPS_ownDC == 0)
758 setMapMode (wnd, pHps, MM_TEXT_W);
759 else
760 setPageXForm(wnd, pHps);
761
762 pHps->hdcType = TYPE_3;
763
764 HideCaret(hwnd);
765 WinShowTrackRect(wnd->getOS2WindowHandle(), FALSE);
766
767 if((wnd->needsEraseBkgnd() || wnd->IsVisibleRegionChanged()) && lComplexity != RGN_NULL) {
768 wnd->setEraseBkgnd(FALSE);
769 wnd->SetVisibleRegionChanged(FALSE);
770 lpps->fErase = (wnd->MsgEraseBackGround(pHps->hps) == 0);
771 }
772 else lpps->fErase = TRUE;
773
774 lpps->hdc = (HDC)pHps->hps;
775
776 if(lComplexity != RGN_NULL) {
777 long height = wnd->getClientHeight();
778 lpps->rcPaint.top = height - rectl.yTop;
779 lpps->rcPaint.left = rectl.xLeft;
780 lpps->rcPaint.bottom = height - rectl.yBottom;
781 lpps->rcPaint.right = rectl.xRight;
782 //BeginPaint must return logical points instead of device points.
783 //(not the same if e.g. app changes page viewport)
784 DPtoLP(lpps->hdc, (LPPOINT)&lpps->rcPaint, 2);
785 }
786 else {
787 lpps->rcPaint.bottom = lpps->rcPaint.top = 0;
788 lpps->rcPaint.right = lpps->rcPaint.left = 0;
789 }
790 RELEASE_WNDOBJ(wnd);
791
792 SetLastError(0);
793 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));
794 return (HDC)pHps->hps;
795}
796//******************************************************************************
797//******************************************************************************
798BOOL WIN32API EndPaint (HWND hWnd, const PAINTSTRUCT_W *pPaint)
799{
800 HWND hwnd = hWnd ? hWnd : HWND_DESKTOP;
801 HRGN hrgnOld;
802 pDCData pHps;
803
804 dprintf (("USER32: EndPaint(%x)", hwnd));
805
806 if (!pPaint || !pPaint->hdc )
807 return TRUE;
808
809 Win32BaseWindow *wnd = Win32BaseWindow::GetWindowFromHandle(hwnd);
810
811 if (!wnd) goto exit;
812
813 pHps = (pDCData)GpiQueryDCData((HPS)pPaint->hdc);
814 if (pHps && (pHps->hdcType == TYPE_3))
815 {
816 GpiSetClipRegion(pHps->hps, wnd->GetClipRegion(), &hrgnOld);
817 wnd->SetClipRegion(0);
818 if(hrgnOld) {
819 GpiDestroyRegion(pHps->hps, hrgnOld);
820 }
821 pHps->hdcType = TYPE_1; //otherwise Open32's ReleaseDC fails
822 ReleaseDC(hwnd, pPaint->hdc);
823 }
824 else {
825 dprintf(("EndPaint: wrong hdc %x!!", pPaint->hdc));
826 }
827 wnd->setEraseBkgnd(TRUE);
828 ShowCaret(hwnd);
829 WinShowTrackRect(wnd->getOS2WindowHandle(), TRUE);
830
831exit:
832 if(wnd) RELEASE_WNDOBJ(wnd);
833 SetLastError(0);
834 return TRUE;
835}
836//******************************************************************************
837//******************************************************************************
838int WIN32API ReleaseDC (HWND hwnd, HDC hdc)
839{
840 BOOL isOwnDC = FALSE;
841 int rc;
842
843 if (hwnd)
844 {
845 Win32BaseWindow *wnd = Win32BaseWindow::GetWindowFromHandle (hwnd);
846 if(wnd == NULL) {
847 dprintf(("ERROR: ReleaseDC %x %x failed", hwnd, hdc));
848 return 0;
849 }
850 isOwnDC = wnd->isOwnDC() && (wnd->getOwnDC() == hdc);
851 if(!isOwnDC)
852 {
853 pDCData pHps = (pDCData)GpiQueryDCData((HPS)hdc);
854 if(pHps && pHps->psType == MICRO_CACHED) {
855 removeClientArea(wnd, pHps);
856 if(pHps->hrgnVis) {
857 GreDestroyRegion(pHps->hps, pHps->hrgnVis);
858 pHps->hrgnVis = 0;
859 }
860 }
861 else {
862 dprintf(("ERROR: ReleaseDC: pHps == NULL!!"));
863 DebugInt3();
864 }
865 }
866 else {
867 dprintf2(("ReleaseDC: CS_OWNDC, not released"));
868 }
869 RELEASE_WNDOBJ(wnd);
870 }
871
872 if(isOwnDC) {
873 rc = TRUE;
874 }
875 else {
876 UnselectGDIObjects(hdc);
877 rc = O32_ReleaseDC (0, hdc);
878 STATS_ReleaseDC(hwnd, hdc);
879 }
880
881 dprintf(("ReleaseDC %x %x", hwnd, hdc));
882 return (rc);
883}
884//******************************************************************************
885// This implementation of GetDCEx supports
886// DCX_WINDOW
887// DCX_CACHE
888// DCX_EXCLUDERGN (complex regions allowed)
889// DCX_INTERSECTRGN (complex regions allowed)
890// DCX_USESTYLE
891// DCX_CLIPSIBLINGS
892// DCX_CLIPCHILDREN
893// DCX_PARENTCLIP
894//
895//TODO: WM_SETREDRAW affects drawingAllowed flag!!
896//******************************************************************************
897HDC WIN32API GetDCEx (HWND hwnd, HRGN hrgn, ULONG flags)
898{
899 Win32BaseWindow *wnd = NULL;
900 HWND hWindow;
901 BOOL success;
902 pDCData pHps = NULL;
903 HPS hps = NULLHANDLE;
904 BOOL drawingAllowed = TRUE;
905 BOOL isWindowOwnDC;
906 BOOL creatingOwnDC = FALSE;
907 PS_Type psType;
908
909 if(hwnd == 0) {
910 dprintf(("error: GetDCEx window %x not found", hwnd));
911 SetLastError(ERROR_INVALID_WINDOW_HANDLE_W);
912 return 0;
913 }
914
915 if(hwnd)
916 {
917 wnd = Win32BaseWindow::GetWindowFromHandle(hwnd);
918 if(wnd == NULL) {
919 dprintf (("ERROR: User32: GetDCEx bad window handle %X!!!!!", hwnd));
920 SetLastError(ERROR_INVALID_WINDOW_HANDLE_W);
921 return 0;
922 }
923 if(flags & DCX_WINDOW_W) {
924 hWindow = wnd->getOS2FrameWindowHandle();
925 }
926 else hWindow = wnd->getOS2WindowHandle();
927 }
928
929 isWindowOwnDC = (((hWindow == HWND_DESKTOP) ? FALSE : (wnd->isOwnDC()))
930 && !(flags & (DCX_CACHE_W|DCX_WINDOW_W)));
931
932 if(isWindowOwnDC) //own dc always for client area
933 {
934 hps = wnd->getOwnDC();
935 if (hps)
936 {
937 pDCData pHps = (pDCData)GpiQueryDCData (hps);
938 if (!pHps)
939 goto error;
940
941 selectClientArea(wnd, pHps);
942
943 //TODO: Is this always necessary??
944 setPageXForm (wnd, pHps);
945 pHps->hdcType = TYPE_1;
946
947 //TODO: intersect/exclude clip region?
948 dprintf (("User32: GetDCEx hwnd %x (%x %x) -> wnd %x hdc %x", hwnd, hrgn, flags, wnd, hps));
949
950 RELEASE_WNDOBJ(wnd);
951
952 STATS_GetDCEx(hwnd, hps, hrgn, flags);
953
954 return (HDC)hps;
955 }
956 else creatingOwnDC = TRUE;
957 }
958
959 if(isWindowOwnDC)
960 {
961 SIZEL sizel = {0,0};
962 hps = GpiCreatePS (WinQueryAnchorBlock (hWindow),
963 WinOpenWindowDC (hWindow),
964 &sizel, PU_PELS | GPIT_MICRO | GPIA_ASSOC );
965 psType = MICRO;
966 // default cp is OS/2 one: set to windows default (ODIN.INI)
967 GpiSetCp(hps, GetDisplayCodepage());
968 }
969 else
970 {
971 if (hWindow == HWND_DESKTOP) {
972 hps = WinGetScreenPS (hWindow);
973 }
974 else {
975 int clipstyle = 0;
976 int clipwnd = HWND_TOP;
977 if(flags & (DCX_USESTYLE_W))
978 {
979 int style = wnd->getStyle();
980 if(style & WS_CLIPCHILDREN_W) {
981 clipstyle |= PSF_CLIPCHILDREN;
982 }
983 if(style & WS_CLIPSIBLINGS_W) {
984 clipstyle |= PSF_CLIPSIBLINGS;
985 }
986 if(wnd->fHasParentDC()) {
987 clipstyle |= PSF_PARENTCLIP;
988 }
989 }
990 if(flags & DCX_CLIPSIBLINGS_W) {
991 clipstyle |= PSF_CLIPSIBLINGS;
992 }
993 if(flags & DCX_CLIPCHILDREN_W) {
994 clipstyle |= PSF_CLIPCHILDREN;
995 }
996 if(flags & DCX_PARENTCLIP_W) {
997 clipstyle |= PSF_PARENTCLIP;
998 }
999 //Always call WinGetClipPS; WinGetPS takes window & class style
1000 //into account
1001// if(clipstyle || !(flags & DCX_DEFAULTCLIP_W)) {
1002 dprintf2(("WinGetClipPS style %x", clipstyle));
1003 hps = WinGetClipPS(hWindow, clipwnd, clipstyle);
1004// }
1005// else hps = WinGetPS (hWindow);
1006
1007 // default cp is OS/2 one: set to windows default (ODIN.INI)
1008 GpiSetCp(hps, GetDisplayCodepage());
1009 }
1010 psType = MICRO_CACHED;
1011 }
1012
1013 if (!hps)
1014 goto error;
1015
1016 HPSToHDC (hWindow, hps, NULL, NULL);
1017 pHps = (pDCData)GpiQueryDCData (hps);
1018
1019 if(flags & DCX_WINDOW_W) {
1020 removeClientArea(wnd, pHps);
1021 }
1022 else selectClientArea(wnd, pHps);
1023
1024 setMapMode(wnd, pHps, MM_TEXT_W);
1025
1026 if ((flags & DCX_EXCLUDERGN_W) || (flags & DCX_INTERSECTRGN_W))
1027 {
1028 ULONG BytesNeeded;
1029 PRGNDATA RgnData;
1030 PRECT pr;
1031 int i;
1032 RECTL rectl;
1033
1034 if (!hrgn)
1035 goto error;
1036
1037 success = TRUE;
1038 if (flags & DCX_EXCLUDERGN_W)
1039 {
1040#if 0 //CB: todo
1041 long height;
1042
1043 BytesNeeded = GetRegionData (hrgn, 0, NULL);
1044 RgnData = (PRGNDATA_W)_alloca (BytesNeeded);
1045 if (RgnData == NULL)
1046 goto error;
1047 GetRegionData (hrgn, BytesNeeded, RgnData);
1048
1049 i = RgnData->rdh.nCount;
1050 pr = (PRECT)(RgnData->Buffer);
1051
1052 if (flags & DCX_WINDOW_W)
1053 height = wnd->getWindowHeight();
1054 else height = wnd->getClientHeight();
1055
1056 for (; (i > 0) && success; i--, pr++) {
1057 LONG y = pr->yBottom;
1058
1059 pr->yBottom = height - pr->yTop;
1060 pr->yTop = height - y;
1061 success &= GpiExcludeClipRectangle (pHps->hps, pr);
1062 }
1063#endif
1064 }
1065 else //DCX_INTERSECTRGN_W
1066 {
1067 //SvL: I'm getting paint problems when clipping a dc created in GetDCEx
1068 // with a region that covers the entire window (RealPlayer 7 Update 1)
1069 // Using SelectClipRgn here doesn't make any difference.
1070 if(ExtSelectClipRgn(pHps->hps, hrgn, RGN_AND_W) == ERROR_W) {
1071 dprintf(("ExtSelectClipRgn failed!!"));
1072 }
1073 }
1074 if (!success)
1075 goto error;
1076 }
1077
1078 if (creatingOwnDC)
1079 wnd->setOwnDC ((HDC)hps);
1080
1081 pHps->psType = psType;
1082 pHps->hdcType = TYPE_1;
1083 //TODO: WM_SETREDRAW affects drawingAllowed flag!!
1084 GpiSetDrawControl (hps, DCTL_DISPLAY, drawingAllowed ? DCTL_ON : DCTL_OFF);
1085
1086 dprintf (("User32: GetDCEx hwnd %x (%x %x) -> hdc %x", hwnd, hrgn, flags, pHps->hps));
1087 RELEASE_WNDOBJ(wnd);
1088
1089
1090 STATS_GetDCEx(hwnd, pHps->hps, hrgn, flags);
1091 return (HDC)pHps->hps;
1092
1093error:
1094 /* Something went wrong; clean up
1095 */
1096 dprintf(("ERROR: GetDCEx hwnd %x (%x %x) FAILED!", hwnd, hrgn, flags));
1097 DebugInt3();
1098 if (pHps)
1099 {
1100 if (pHps->hps)
1101 {
1102 if(pHps->psType == MICRO_CACHED)
1103 WinReleasePS(pHps->hps);
1104 else
1105 GpiDestroyPS(pHps->hps);
1106 }
1107
1108 if (pHps->hdc) DevCloseDC(pHps->hdc);
1109 if (pHps->hrgnHDC) GpiDestroyRegion(pHps->hps, pHps->hrgnHDC);
1110
1111 O32_DeleteObject (pHps->nullBitmapHandle);
1112 }
1113 if(wnd) RELEASE_WNDOBJ(wnd);
1114 SetLastError(ERROR_INVALID_PARAMETER_W);
1115 return NULL;
1116}
1117//******************************************************************************
1118//******************************************************************************
1119HDC WIN32API GetDC (HWND hwnd)
1120{
1121 if(!hwnd)
1122 return GetDCEx( GetDesktopWindow(), 0, DCX_CACHE_W | DCX_WINDOW_W );
1123
1124 return GetDCEx (hwnd, NULL, DCX_USESTYLE_W);
1125}
1126//******************************************************************************
1127//******************************************************************************
1128HDC WIN32API GetWindowDC (HWND hwnd)
1129{
1130 if (!hwnd) hwnd = GetDesktopWindow();
1131 return GetDCEx (hwnd, NULL, DCX_WINDOW_W | DCX_USESTYLE_W);
1132}
1133//******************************************************************************
1134//Helper for RedrawWindow (RDW_ALLCHILDREN_W)
1135//******************************************************************************
1136LRESULT WIN32API RedrawChildEnumProc(HWND hwnd, LPARAM lParam)
1137{
1138 RedrawWindow(hwnd, NULL, 0, lParam);
1139 return TRUE;
1140}
1141//******************************************************************************
1142// This implementation of RedrawWindow supports
1143// RDW_ERASE
1144// RDW_NOERASE
1145// RDW_INTERNALPAINT
1146// RDW_NOINTERNALPAINT
1147// RDW_INVALIDATE
1148// RDW_VALIDATE
1149// RDW_ERASENOW
1150// RDW_UPDATENOW
1151// RDW_FRAME
1152//
1153//TODO: Works ok for RDW_FRAME??
1154// SDK docs say RDW_FRAME is only valid for RDW_INVALIDATE...
1155//******************************************************************************
1156BOOL WIN32API RedrawWindow(HWND hwnd, const RECT* pRect, HRGN hrgn, DWORD redraw)
1157{
1158 Win32BaseWindow *wnd;
1159
1160 if(pRect) {
1161 dprintf(("RedrawWindow %x (%d,%d)(%d,%d) %x %x", hwnd, pRect->left, pRect->top, pRect->right, pRect->bottom, hrgn, redraw));
1162 }
1163 else dprintf(("RedrawWindow %x %x %x %x", hwnd, pRect, hrgn, redraw));
1164
1165 if (hwnd == NULLHANDLE)
1166 {
1167 hwnd = HWND_DESKTOP;
1168 wnd = Win32BaseWindow::GetWindowFromOS2Handle(OSLIB_HWND_DESKTOP);
1169
1170 if (!wnd)
1171 {
1172 dprintf(("USER32:dc: RedrawWindow can't find desktop window %08xh\n",
1173 hwnd));
1174 SetLastError(ERROR_INVALID_PARAMETER_W);
1175 return FALSE;
1176 }
1177 }
1178 else
1179 {
1180 wnd = Win32BaseWindow::GetWindowFromHandle (hwnd);
1181
1182 if (!wnd)
1183 {
1184 dprintf(("USER32:dc: RedrawWindow can't find window %08xh\n",
1185 hwnd));
1186 SetLastError(ERROR_INVALID_PARAMETER_W);
1187 return FALSE;
1188 }
1189 if(redraw & RDW_FRAME_W) {
1190 hwnd = wnd->getOS2FrameWindowHandle();
1191 }
1192 else hwnd = wnd->getOS2WindowHandle();
1193 }
1194
1195 BOOL IncludeChildren = (redraw & RDW_ALLCHILDREN_W) ? TRUE : FALSE;
1196 BOOL success = TRUE;
1197 HPS hpsTemp = NULLHANDLE;
1198 HRGN hrgnTemp = NULLHANDLE;
1199 RECTL rectl;
1200
1201 if (hrgn)
1202 {
1203 ULONG BytesNeeded;
1204 PRGNDATA RgnData;
1205 PRECTL pr;
1206 int i;
1207 LONG height;
1208
1209 if(wnd) {
1210 height = (redraw & RDW_FRAME_W) ? wnd->getWindowHeight() : wnd->getClientHeight();
1211 }
1212 else height = OSLibQueryScreenHeight();
1213
1214 if (!hrgn)
1215 goto error;
1216
1217 BytesNeeded = GetRegionData (hrgn, 0, NULL);
1218 RgnData = (PRGNDATA)_alloca (BytesNeeded);
1219 if (RgnData == NULL)
1220 goto error;
1221 GetRegionData (hrgn, BytesNeeded, RgnData);
1222
1223 pr = (PRECTL)(RgnData->Buffer);
1224 for (i = RgnData->rdh.nCount; i > 0; i--, pr++) {
1225 LONG temp = pr->yTop;
1226 pr->yTop = height - pr->yBottom;
1227 pr->yBottom = height - temp;
1228 dprintf2(("RedrawWindow: region (%d,%d) (%d,%d)", pr->xLeft, pr->yBottom, pr->xRight, pr->yTop));
1229 }
1230
1231 hpsTemp = WinGetScreenPS (HWND_DESKTOP);
1232 hrgnTemp = GpiCreateRegion (hpsTemp, RgnData->rdh.nCount, (PRECTL)(RgnData->Buffer));
1233 if (!hrgnTemp) goto error;
1234 }
1235 else if (pRect)
1236 {
1237 if(wnd) {
1238 if(redraw & RDW_FRAME_W) {
1239 mapWin32ToOS2Rect(wnd->getWindowHeight(), (PRECT)pRect, (PRECTLOS2)&rectl);
1240 }
1241 else mapWin32ToOS2Rect(wnd->getClientHeight(), (PRECT)pRect, (PRECTLOS2)&rectl);
1242 }
1243 else mapWin32ToOS2Rect(OSLibQueryScreenHeight(), (PRECT)pRect, (PRECTLOS2)&rectl);
1244 }
1245
1246 if (redraw & RDW_INVALIDATE_W)
1247 {
1248 //TODO: SvL: pingpong.exe doesn't have RDW_NOERASE, but doesn't want WM_ERASEBKGND msgs
1249 if (redraw & RDW_ERASE_W) {
1250 wnd->setEraseBkgnd(TRUE);
1251 }
1252 else
1253 //Don't clear erase background flag if the window is
1254 //already (partly) invalidated
1255 if (!WinQueryUpdateRect (hwnd, NULL)) {
1256 wnd->setEraseBkgnd(FALSE);
1257 }
1258
1259 if (!pRect && !hrgn)
1260 success = WinInvalidateRect (hwnd, NULL, IncludeChildren);
1261 else
1262 if (hrgn) {
1263 success = WinInvalidateRegion (hwnd, hrgnTemp, IncludeChildren);
1264 if(IncludeChildren && WinQueryUpdateRect(hwnd, NULL) == FALSE) {
1265 dprintf(("WARNING: WinQueryUpdateRect %x region %x returned false even though we just invalidated part of a window!!!", hwnd, hrgnTemp));
1266 success = success = WinInvalidateRegion (hwnd, hrgnTemp, FALSE);
1267 }
1268 }
1269 else {
1270 dprintf2(("WinInvalidateRect (%d,%d)(%d,%d)", rectl.xLeft, rectl.yBottom, rectl.xRight, rectl.yTop));
1271 success = WinInvalidateRect (hwnd, &rectl, IncludeChildren);
1272//SvL: If all children are included, then WinInvalidateRect is called
1273// with fIncludeChildren=1 -> rect of hwnd isn't invalidated if child(ren)
1274// overlap(s) the specified rectangle completely (EVEN if window doesn't
1275// have WS_CLIPCHILREN!)
1276// -> example: XWing vs Tie Fighter install window
1277// WinInvalidateRect with fIncludeChildren=0 invalidates both the parent
1278// and child windows
1279//SvL: Can't always set fIncludeChildren to FALSE or else some controls in
1280// the RealPlayer setup application aren't redrawn when invalidating
1281// their parent
1282// SO: Check if IncludeChildren is set and part of the window is invalid
1283// If not -> call WinInvalidateRect with IncludeChildren=0 to force
1284// the window rectangle to be invalidated
1285//
1286 if(IncludeChildren && WinQueryUpdateRect(hwnd, NULL) == FALSE) {
1287 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));
1288 success = WinInvalidateRect (hwnd, &rectl, FALSE);
1289 }
1290 }
1291
1292 if (!success) goto error;
1293 }
1294 else if (redraw & RDW_VALIDATE_W)
1295 {
1296 if (redraw & RDW_NOERASE_W)
1297 wnd->setEraseBkgnd(FALSE);
1298
1299 if (WinQueryUpdateRect (hwnd, NULL))
1300 {
1301 if(!pRect && !hrgn) {
1302 success = WinValidateRect (hwnd, NULL, IncludeChildren);
1303 }
1304 else
1305 if(hrgn) {
1306 success = WinValidateRegion (hwnd, hrgnTemp, IncludeChildren);
1307 }
1308 else {
1309 success = WinValidateRect (hwnd, &rectl, IncludeChildren);
1310 }
1311 if(!success) goto error;
1312 }
1313 }
1314
1315 if(WinQueryUpdateRect(hwnd, &rectl))
1316 {
1317 dprintf2(("Update region (%d,%d)(%d,%d)", rectl.xLeft, rectl.yBottom, rectl.xRight, rectl.yTop));
1318 //TODO: Does this work if RDW_ALLCHILDREN is set??
1319 if(redraw & RDW_UPDATENOW_W)
1320 {
1321 dprintf(("RDW_UPDATENOW -> UpdateWindow"));
1322 UpdateWindow(wnd->getWindowHandle());
1323 }
1324 else
1325// if((redraw & RDW_ERASE_W) && (redraw & RDW_ERASENOW_W))
1326 if(redraw & RDW_ERASENOW_W && wnd->needsEraseBkgnd())
1327 wnd->setEraseBkgnd(sendEraseBkgnd(wnd) == 0);
1328// if(redraw & RDW_ALLCHILDREN_W) {
1329// EnumChildWindows(wnd->getWindowHandle(), RedrawChildEnumProc, redraw);
1330// }
1331 }
1332 else if((redraw & RDW_INTERNALPAINT_W) && !(redraw & RDW_INVALIDATE_W))
1333 {
1334 dprintf(("Manual redraw"));
1335 if(redraw & RDW_UPDATENOW_W) {
1336 wnd->MsgPaint(0, FALSE);
1337 }
1338 else PostMessageA(hwnd, WINWM_PAINT, 0, 0);
1339 }
1340
1341error:
1342 /* clean up */
1343 if (hrgnTemp)
1344 GpiDestroyRegion (hpsTemp, hrgnTemp);
1345
1346 if (hpsTemp)
1347 WinReleasePS (hpsTemp);
1348
1349 if (!success) {
1350 dprintf(("RedrawWindow failure!"));
1351 SetLastError(ERROR_INVALID_PARAMETER_W);
1352 }
1353 if(wnd) RELEASE_WNDOBJ(wnd);
1354 return (success);
1355}
1356//******************************************************************************
1357//******************************************************************************
1358BOOL WIN32API UpdateWindow (HWND hwnd)
1359{
1360 Win32BaseWindow *wnd = Win32BaseWindow::GetWindowFromHandle (hwnd);
1361 RECTL rectl;
1362 BOOL rc;
1363
1364 if(!wnd) {
1365 dprintf (("ERROR: User32: UpdateWindow INVALID hwnd %x", hwnd));
1366 SetLastError(ERROR_INVALID_WINDOW_HANDLE_W);
1367 return FALSE;
1368 }
1369
1370#ifdef DEBUG
1371 if(WinQueryUpdateRect(wnd->getOS2WindowHandle(), &rectl))
1372 {
1373 RECT rectUpdate;
1374 mapOS2ToWin32Rect(wnd->getClientHeight(), (PRECTLOS2)&rectl, &rectUpdate);
1375
1376 dprintf (("User32: UpdateWindow hwnd %x: update rectangle (%d,%d)(%d,%d)", hwnd, rectUpdate.left, rectUpdate.top, rectUpdate.right, rectUpdate.bottom));
1377 }
1378 else dprintf (("User32: UpdateWindow hwnd %x; EMPTY update rectangle (vis=%d/%d, show=%d/%d, vis parent=%d)", hwnd, WinIsWindowVisible(wnd->getOS2FrameWindowHandle()), WinIsWindowVisible(wnd->getOS2WindowHandle()), WinIsWindowShowing(wnd->getOS2FrameWindowHandle()), WinIsWindowShowing(wnd->getOS2WindowHandle()), IsWindowVisible(GetParent(hwnd))));
1379#endif
1380 //SvL: This doesn't work right (Wine uses RDW_NOCHILDREN_W -> doesn't work here)
1381 // Breaks vpbuddy
1382 //rc = RedrawWindow(hwnd, NULL, 0, RDW_UPDATENOW_W | RDW_ALLCHILDREN_W);
1383 // -> RDW_UPDATENOW causes WM_PAINT messages to be directy posted to window
1384 // handler; possibly bypassing queued WM_PAINT messages for parent window(s)
1385 // -> out of sync painting (i.e. parent paints over child)
1386
1387// if(!WinIsWindowShowing(wnd->getOS2FrameWindowHandle()) || !WinIsWindowShowing(wnd->getOS2WindowHandle())) {
1388// dprintf(("UpdateWindow: window not showing %d/%d", WinIsWindowShowing(wnd->getOS2FrameWindowHandle()), WinIsWindowShowing(wnd->getOS2WindowHandle()) ));
1389// RELEASE_WNDOBJ(wnd);
1390// return FALSE;
1391// }
1392 //Must use frame window here. If the frame window has a valid update region and we call
1393 //WinUpdateWindow for the client window, then no WM_PAINT messages will be sent.
1394 rc = WinUpdateWindow(wnd->getOS2FrameWindowHandle());
1395#ifdef DEBUG
1396 if(WinQueryUpdateRect(wnd->getOS2WindowHandle(), NULL))
1397 {
1398 //if parent has valid update region then WinUpdateWindow will still fail..
1399 //might be harmless and happen even in windows
1400 dprintf (("ERROR: User32: UpdateWindow didn't send WM_PAINT messages!!"));
1401 }
1402#endif
1403 RELEASE_WNDOBJ(wnd);
1404 return rc;
1405}
1406//******************************************************************************
1407//******************************************************************************
1408BOOL WIN32API ValidateRect( HWND hwnd, const RECT * lprc)
1409{
1410 if(lprc) {
1411 dprintf(("USER32: ValidateRect %x (%d,%d)(%d,%d)", hwnd, lprc->left, lprc->top, lprc->right, lprc->bottom));
1412 }
1413 else dprintf(("USER32: ValidateRect %x", hwnd));
1414
1415 return RedrawWindow( hwnd, lprc, 0, RDW_VALIDATE_W | RDW_NOCHILDREN_W | (hwnd==0 ? RDW_UPDATENOW_W : 0));
1416}
1417//******************************************************************************
1418//******************************************************************************
1419BOOL WIN32API ValidateRgn( HWND hwnd, HRGN hrgn)
1420{
1421 dprintf(("USER32: ValidateRgn %x %x", hwnd, hrgn));
1422 return RedrawWindow( hwnd, NULL, hrgn, RDW_VALIDATE_W | RDW_NOCHILDREN_W | (hwnd==0 ? RDW_UPDATENOW_W : 0));
1423}
1424//******************************************************************************
1425//******************************************************************************
1426BOOL WIN32API InvalidateRect (HWND hwnd, const RECT *pRect, BOOL erase)
1427{
1428 BOOL result;
1429
1430 if(pRect) {
1431 dprintf(("InvalidateRect %x (%d,%d)(%d,%d) erase=%d", hwnd, pRect->left, pRect->top, pRect->right, pRect->bottom, erase));
1432 }
1433 else dprintf(("InvalidateRect %x NULL erase=%d", hwnd, erase));
1434#if 1
1435 result = RedrawWindow (hwnd, pRect, NULLHANDLE,
1436 RDW_ALLCHILDREN_W | RDW_INVALIDATE_W |
1437 (erase ? RDW_ERASE_W : 0) |
1438 (hwnd == NULLHANDLE ? RDW_UPDATENOW_W : 0));
1439#else
1440 result = RedrawWindow (hwnd, pRect, NULLHANDLE,
1441 RDW_ALLCHILDREN_W | RDW_INVALIDATE_W |
1442 (erase ? RDW_ERASE_W : RDW_NOERASE_W) |
1443 (hwnd == NULLHANDLE ? RDW_UPDATENOW_W : 0));
1444#endif
1445 return (result);
1446}
1447//******************************************************************************
1448//******************************************************************************
1449BOOL WIN32API InvalidateRgn (HWND hwnd, HRGN hrgn, BOOL erase)
1450{
1451 BOOL result;
1452
1453 dprintf(("InvalidateRgn %x %x erase=%d", hwnd, hrgn, erase));
1454#if 1
1455 result = RedrawWindow (hwnd, NULL, hrgn,
1456 RDW_ALLCHILDREN_W | RDW_INVALIDATE_W |
1457 (erase ? RDW_ERASE_W : 0) |
1458 (hwnd == NULLHANDLE ? RDW_UPDATENOW_W : 0));
1459#else
1460 result = RedrawWindow (hwnd, NULL, hrgn,
1461 RDW_ALLCHILDREN_W | RDW_INVALIDATE_W |
1462 (erase ? RDW_ERASE_W : RDW_NOERASE_W) |
1463 (hwnd == NULLHANDLE ? RDW_UPDATENOW_W : 0));
1464#endif
1465 return (result);
1466}
1467//******************************************************************************
1468//TODO: Change for client rectangle!!!!!
1469//******************************************************************************
1470BOOL setPMRgnIntoWinRgn (HPS hps, HRGN hrgnPM, HRGN hrgnWin, LONG height)
1471{
1472 BOOL rc;
1473 RGNRECT rgnRect;
1474 rgnRect.ircStart = 1;
1475 rgnRect.crc = 0;
1476 rgnRect.ulDirection = RECTDIR_LFRT_TOPBOT;
1477
1478 rc = GpiQueryRegionRects (hps, hrgnPM, NULL, &rgnRect, NULL);
1479
1480 if (rc && (rgnRect.crcReturned > 0))
1481 {
1482 PRECTL Rcls = new RECTL[rgnRect.crcReturned];
1483 PRECTL pRcl = Rcls;
1484
1485 if (Rcls != NULL)
1486 {
1487 rgnRect.crc = rgnRect.crcReturned;
1488 rc = GpiQueryRegionRects (hps, hrgnPM, NULL, &rgnRect, Rcls);
1489
1490 rc = SetRectRgn(hrgnWin, pRcl->xLeft, height - pRcl->yTop,
1491 pRcl->xRight, height - pRcl->yBottom);
1492
1493 if (rgnRect.crcReturned > 1)
1494 {
1495 int i;
1496 HRGN temp;
1497 temp = CreateRectRgn (0, 0, 1, 1);
1498
1499 for (i = 1, pRcl++; rc && (i < rgnRect.crcReturned); i++, pRcl++)
1500 {
1501 rc = SetRectRgn (temp, pRcl->xLeft, height - pRcl->yTop,
1502 pRcl->xRight, height - pRcl->yBottom);
1503 rc &= CombineRgn (hrgnWin, hrgnWin, temp, RGN_OR_W);
1504 }
1505 DeleteObject (temp);
1506 }
1507 delete[] Rcls;
1508 }
1509 else
1510 {
1511 rc = FALSE;
1512 }
1513 }
1514 else
1515 {
1516 rc = SetRectRgn (hrgnWin, 0, 0, 0, 0);
1517 }
1518
1519 return (rc);
1520}
1521//******************************************************************************
1522//Using WinScrollWindow to scroll child windows is better (smoother).
1523//******************************************************************************
1524INT WIN32API ScrollWindowEx(HWND hwnd, int dx, int dy, const RECT *pScroll, const RECT *pClip,
1525 HRGN hrgnUpdate, PRECT pRectUpdate, UINT scrollFlag)
1526{
1527 Win32BaseWindow *window;
1528 APIRET rc;
1529 RECTL scrollRect;
1530 RECTL clipRect;
1531 PRECTL pScrollOS2 = NULL;
1532 PRECTL pClipOS2 = NULL;
1533 ULONG scrollFlagsOS2 = 0;
1534 int orgdy = dy;
1535 int regionType = ERROR_W;
1536
1537 window = Win32BaseWindow::GetWindowFromHandle(hwnd);
1538 if(!window) {
1539 dprintf(("ScrollWindowEx, window %x not found", hwnd));
1540 return 0;
1541 }
1542
1543 dprintf(("ScrollWindowEx %x %d %d %x %x", hwnd, dx, dy, pScroll, pClip));
1544
1545 dy = revertDy (window, dy);
1546
1547 if (scrollFlag & SW_INVALIDATE_W) scrollFlagsOS2 |= SW_INVALIDATERGN;
1548 if (scrollFlag & SW_SCROLLCHILDREN_W) scrollFlagsOS2 |= SW_SCROLLCHILDREN;
1549
1550 if(pScroll) {
1551 mapWin32ToOS2Rect(window->getClientHeight(), (RECT *)pScroll, (PRECTLOS2)&scrollRect);
1552 pScrollOS2 = &scrollRect;
1553 }
1554
1555 if(pClip) {
1556 mapWin32ToOS2Rect(window->getClientHeight(), (RECT *)pClip, (PRECTLOS2)&clipRect);
1557 pClipOS2 = &clipRect;
1558 }
1559
1560 RECTL rectlUpdate;
1561 HRGN hrgn = NULLHANDLE;
1562 HPS hpsScreen = 0;
1563
1564 if(hrgnUpdate) {
1565 RECTL rectl = { 1, 1, 2, 2 };
1566
1567 hpsScreen = WinGetScreenPS (HWND_DESKTOP);
1568 hrgn = GpiCreateRegion(hpsScreen, 1, &rectl);
1569 }
1570
1571 if (scrollFlag & SW_SMOOTHSCROLL_W)
1572 {
1573 INT time = (scrollFlag >> 16) & 0xFFFF;
1574
1575 //CB: todo, scroll in several steps
1576 // is time in ms? time <-> iteration count?
1577 }
1578
1579 LONG lComplexity = WinScrollWindow(window->getOS2WindowHandle(), dx, dy,
1580 pScrollOS2, pClipOS2,
1581 hrgn, &rectlUpdate, scrollFlagsOS2);
1582 if (lComplexity == RGN_ERROR)
1583 {
1584 RELEASE_WNDOBJ(window);
1585 return ERROR_W;
1586 }
1587
1588 //Notify children that they have moved (according to the SDK docs,
1589 //they only receive a WM_MOVE message)
1590 //(PM only does this for windows with CS_MOVENOTIFY class)
1591 //TODO: Verify this (no WM_WINDOWPOSCHANGING/ED?)
1592 if (scrollFlag & SW_SCROLLCHILDREN_W)
1593 {
1594 HWND hwndChild;
1595 RECT rectChild, rc;
1596
1597 dprintf(("ScrollWindowEx: Scroll child windows"));
1598 GetClientRect(hwnd, &rc);
1599 if (pScroll) IntersectRect(&rc, &rc, pScroll);
1600
1601 hwndChild = GetWindow(hwnd, GW_CHILD_W);
1602
1603 while(hwndChild)
1604 {
1605 Win32BaseWindow *child;
1606
1607 child = Win32BaseWindow::GetWindowFromHandle(hwndChild);
1608 if(!child) {
1609 dprintf(("ERROR: ScrollWindowEx, child %x not found", hwnd));
1610 RELEASE_WNDOBJ(window);
1611 return 0;
1612 }
1613 rectChild = *child->getWindowRect();
1614 if(!pScroll || IntersectRect(&rectChild, &rectChild, &rc))
1615 {
1616 dprintf(("ScrollWindowEx: Scroll child window %x", hwndChild));
1617 child->ScrollWindow(dx, orgdy);
1618 }
1619 RELEASE_WNDOBJ(child);
1620 hwndChild = GetWindow(hwndChild, GW_HWNDNEXT_W);
1621 }
1622 dprintf(("***ScrollWindowEx: Scroll child windows DONE"));
1623 }
1624
1625 RECT winRectUpdate;
1626
1627 mapOS2ToWin32Rect(window->getClientHeight(), (PRECTLOS2)&rectlUpdate, &winRectUpdate);
1628
1629 if (pRectUpdate)
1630 *pRectUpdate = winRectUpdate;
1631
1632 if (hrgnUpdate) {
1633 rc = setPMRgnIntoWinRgn(hpsScreen, hrgn, hrgnUpdate, window->getClientHeight());
1634 GpiDestroyRegion(hpsScreen, hrgn);
1635 WinReleasePS(hpsScreen);
1636 }
1637
1638#if 0
1639 //SvL: WinScrollWindow already invalidates the area; no need to do it again
1640 //(call to invalidateRect was wrong; has to include erase flag)
1641 if ((scrollFlag & SW_INVALIDATE_W) &&
1642 ((lComplexity == RGN_RECT) || (lComplexity == RGN_COMPLEX)))
1643 {
1644 rc = RedrawWindow (hwnd, &winRectUpdate, NULLHANDLE,
1645 RDW_ALLCHILDREN_W | RDW_INVALIDATE_W |
1646 ((scrollFlag & SW_ERASE_W) ? RDW_ERASE_W : 0) |
1647 RDW_UPDATENOW_W);
1648
1649// rc = InvalidateRect (hwnd, &winRectUpdate, (scrollFlag & SW_ERASE_W) ? 1 : 0);
1650 if (rc == FALSE)
1651 {
1652 RELEASE_WNDOBJ(window);
1653 return (0);
1654 }
1655 }
1656#endif
1657
1658 switch (lComplexity)
1659 {
1660 case RGN_NULL:
1661 regionType = NULLREGION_W;
1662 break;
1663 case RGN_RECT:
1664 regionType = SIMPLEREGION_W;
1665 break;
1666 case RGN_COMPLEX:
1667 regionType = COMPLEXREGION_W;
1668 break;
1669 default:
1670 regionType = ERROR_W;
1671 break;
1672 }
1673
1674 RELEASE_WNDOBJ(window);
1675 return (regionType);
1676}
1677//******************************************************************************
1678//******************************************************************************
1679BOOL WIN32API ScrollWindow(HWND hwnd, int dx, int dy, const RECT *pScroll, const RECT *pClip)
1680{
1681 dprintf(("ScrollWindow %x %d %d %x %x", hwnd, dx, dy, pScroll, pClip));
1682 return (ERROR_W != ScrollWindowEx(hwnd, dx, dy, pScroll, pClip, 0, NULL,
1683 (pScroll ? 0 : SW_SCROLLCHILDREN_W) |
1684 SW_INVALIDATE_W ));
1685}
1686//******************************************************************************
1687//******************************************************************************
1688HWND WIN32API WindowFromDC(HDC hdc)
1689{
1690 pDCData pHps = (pDCData)GpiQueryDCData( (HPS)hdc );
1691
1692 dprintf2(("USER32: WindowFromDC %x", hdc));
1693 if ( pHps )
1694 return OS2ToWin32Handle(pHps->hwnd);
1695 else
1696 return 0;
1697}
1698//******************************************************************************
1699//******************************************************************************
1700
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