source: trunk/src/user32/dc.cpp@ 4840

Last change on this file since 4840 was 4762, checked in by sandervl, 25 years ago

BeginPaint fix (selectClientArea after GpiSelectClipRgn)
File size: 54.9 KB
Line 
1/* $Id: dc.cpp,v 1.80 2000-12-07 11:59:45 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#ifdef DEBUG
75#define dprintfRegion(a,b,c) if(DbgEnabledLvl2[DBG_LOCALLOG] == 1) dprintfRegion1(a,b,c)
76
77void dprintfRegion1(HPS hps, HWND hWnd, HRGN hrgnClip)
78{
79 RGNRECT rgnRect = {0, 16, 0, RECTDIR_LFRT_TOPBOT};
80 RECTL rectRegion[16];
81 APIRET rc;
82
83 dprintf(("dprintfRegion %x %x", hWnd, hps));
84 rc = GpiQueryRegionRects(hps, hrgnClip, NULL, &rgnRect, &rectRegion[0]);
85 for(int i=0;i<rgnRect.crcReturned;i++) {
86 dprintf(("(%d,%d)(%d,%d)", rectRegion[i].xLeft, rectRegion[i].yBottom, rectRegion[i].xRight, rectRegion[i].yTop));
87 }
88}
89#else
90#define dprintfRegion(a,b,c)
91#endif
92
93//******************************************************************************
94//******************************************************************************
95void WIN32API TestWideLine (pDCData pHps)
96{
97 const LOGPEN_W *pLogPen;
98
99 pHps->isWideLine = FALSE;
100 pLogPen = pHps->penIsExtPen ?
101 &(pHps->lastPenObject->ExtPen.logpen) :
102 &(pHps->lastPenObject->Pen.logpen);
103
104 if (((pLogPen->lopnStyle & PS_STYLE_MASK_W) != PS_NULL_W) &&
105 (pLogPen->lopnWidth.x > 0))
106 {
107 POINTL aptl[2] = { 0, 0, pLogPen->lopnWidth.x, pLogPen->lopnWidth.x };
108
109 GpiConvert(pHps->hps, CVTC_WORLD, CVTC_DEVICE, 2, aptl);
110
111 ULONG dx = abs(aptl[0].x - aptl[1].x);
112 ULONG dy = abs(aptl[0].y - aptl[1].y);
113
114 pHps->isWideLine = (dx > 1) || (dy > 1);
115 }
116}
117//******************************************************************************
118//******************************************************************************
119void WIN32API Calculate1PixelDelta(pDCData pHps)
120{
121 POINTL aptl[2] = {0, 0, 1, 1};
122
123 GpiConvert(pHps->hps, CVTC_DEVICE, CVTC_WORLD, 2, aptl);
124 pHps->worldYDeltaFor1Pixel = (int)(aptl[1].y - aptl[0].y);
125 pHps->worldXDeltaFor1Pixel = (int)(aptl[1].x - aptl[0].x); // 171182
126}
127//******************************************************************************
128//******************************************************************************
129int setMapMode(Win32BaseWindow *wnd, pDCData pHps, int mode)
130{
131 int prevMode = 0;
132 ULONG flOptions;
133
134 switch (mode)
135 {
136 case MM_HIENGLISH_W : flOptions = PU_HIENGLISH; break;
137 case MM_LOENGLISH_W : flOptions = PU_LOENGLISH; break;
138 case MM_HIMETRIC_W : flOptions = PU_HIMETRIC ; break;
139 case MM_LOMETRIC_W : flOptions = PU_LOMETRIC ; break;
140 case MM_TEXT_W : flOptions = PU_PELS ; break;
141 case MM_TWIPS_W : flOptions = PU_TWIPS ; break;
142 case MM_ANISOTROPIC_W: flOptions = PU_PELS ; break;
143 case MM_ISOTROPIC_W : flOptions = PU_LOMETRIC ; break;
144 default:
145 SetLastError(ERROR_INVALID_PARAMETER_W);
146 return FALSE;
147 }
148
149 prevMode = pHps->MapMode; /* store previous mode */
150 pHps->MapMode = mode;
151
152 if (mode == MM_TEXT_W)
153 {
154 pHps->viewportXExt =
155 pHps->viewportYExt = 1.0;
156 pHps->windowExt.cx =
157 pHps->windowExt.cy = 1;
158 }
159 else if (mode != MM_ANISOTROPIC_W)
160 {
161 RECTL rectl;
162 SIZEL sizel;
163 ULONG data[3];
164
165 data[0] = flOptions;
166 data[1] = data[2] = 0;
167
168 if (DevEscape(pHps->hdc ? pHps->hdc : pHps->hps, DEVESC_SETPS, 12, (PBYTE)data, 0, 0) == DEVESC_ERROR)
169 {
170 SetLastError(ERROR_INVALID_PARAMETER_W);
171 return 0;
172 }
173
174 GpiQueryPageViewport(pHps->hps, &rectl);
175 pHps->viewportXExt = (double)rectl.xRight;
176 pHps->viewportYExt = -(double)rectl.yTop;
177
178 GreGetPageUnits(pHps->hdc? pHps->hdc : pHps->hps, &sizel);
179 pHps->windowExt.cx = sizel.cx;
180 pHps->windowExt.cy = sizel.cy;
181
182 data[0] = PU_PELS;
183 DevEscape(pHps->hdc ? pHps->hdc : pHps->hps, DEVESC_SETPS, 12, (PBYTE)data, 0, 0);
184 }
185
186 if (((prevMode != MM_ISOTROPIC_W) && (prevMode != MM_ANISOTROPIC_W)) &&
187 ((mode == MM_ISOTROPIC_W) || (mode == MM_ANISOTROPIC_W)))
188 {
189 if (pHps->lWndXExtSave && pHps->lWndYExtSave)
190 {
191 changePageXForm (wnd, pHps, (PPOINTL)&pHps->windowExt,
192 pHps->lWndXExtSave, pHps->lWndYExtSave, NULL );
193 pHps->lWndXExtSave = pHps->lWndYExtSave = 0;
194 }
195 if (pHps->lVwpXExtSave && pHps->lVwpYExtSave)
196 {
197 changePageXForm (wnd, pHps, NULL,
198 pHps->lVwpXExtSave, pHps->lVwpYExtSave, NULL );
199 pHps->lVwpXExtSave = pHps->lVwpYExtSave = 0;
200 }
201 }
202
203 setPageXForm(wnd, pHps);
204
205 return prevMode;
206}
207//******************************************************************************
208//******************************************************************************
209BOOL setPageXForm(Win32BaseWindow *wnd, pDCData pHps)
210{
211 MATRIXLF mlf;
212 BOOL rc = TRUE;
213
214 pHps->height = clientHeight(wnd, 0, pHps) - 1;
215
216 double xScale = pHps->viewportXExt / (double)pHps->windowExt.cx;
217 double yScale = pHps->viewportYExt / (double)pHps->windowExt.cy;
218
219 mlf.fxM11 = FLOAT_TO_FIXED(xScale);
220 mlf.fxM12 = 0;
221 mlf.lM13 = 0;
222 mlf.fxM21 = 0;
223 mlf.fxM22 = FLOAT_TO_FIXED(yScale);
224 mlf.lM23 = 0;
225 mlf.lM31 = pHps->viewportOrg.x - (LONG)(pHps->windowOrg.x * xScale);
226 mlf.lM32 = pHps->viewportOrg.y - (LONG)(pHps->windowOrg.y * yScale);
227 mlf.lM33 = 1;
228
229 pHps->isLeftLeft = mlf.fxM11 >= 0;
230 pHps->isTopTop = mlf.fxM22 >= 0;
231
232 BOOL bEnableYInversion = FALSE;
233 if ((mlf.fxM22 > 0) ||
234 ((pHps->graphicsMode == GM_ADVANCED_W) &&
235 ((pHps->MapMode == MM_ANISOTROPIC_W) ||
236 (pHps->MapMode == MM_ISOTROPIC_W))))
237 {
238 bEnableYInversion = TRUE;
239 }
240 else
241 {
242 bEnableYInversion = FALSE;
243 mlf.lM32 = pHps->HPStoHDCInversionHeight + pHps->height - mlf.lM32;
244 mlf.fxM22 = -mlf.fxM22;
245 }
246
247 if (!pHps->isMetaPS)
248// if ((!pHps->isMetaPS) ||
249// (pHps->pMetaFileObject && pHps->pMetaFileObject->isEnhanced()))
250 rc = GpiSetDefaultViewMatrix(pHps->hps, 8, &mlf, TRANSFORM_REPLACE);
251
252#ifdef INVERT
253 if (bEnableYInversion)
254 GpiEnableYInversion(pHps->hps, pHps->height + pHps->HPStoHDCInversionHeight);
255 else
256 GpiEnableYInversion(pHps->hps, 0);
257#else
258 pHps->yInvert = 0;
259 if(bEnableYInversion)
260 {
261 pHps->yInvert4Enable = pHps->height + pHps->HPStoHDCInversionHeight;
262 if(pHps->isPrinter)
263 {
264 pHps->yInvert = pHps->yInvert4Enable
265 * (pHps->windowExt.cy / (double)pHps->viewportYExt);
266 } else {
267 pHps->yInvert = pHps->yInvert4Enable;
268 }
269 }
270#endif
271
272 TestWideLine(pHps);
273 Calculate1PixelDelta(pHps);
274 return rc;
275}
276//******************************************************************************
277//******************************************************************************
278BOOL changePageXForm(Win32BaseWindow *wnd, pDCData pHps, PPOINTL pValue, int x, int y, PPOINTL pPrev)
279{
280 BOOL result = FALSE;
281
282 if (pValue)
283 {
284 if (pPrev)
285 *pPrev = *pValue;
286
287 if ((pValue->x == x) && (pValue->y == y)) {
288 return TRUE;
289 }
290 pValue->x = x;
291 pValue->y = y;
292 }
293 else
294 {
295 if (pPrev)
296 {
297 pPrev->x = (int)pHps->viewportXExt;
298 pPrev->y = (int)pHps->viewportYExt;
299 }
300 pHps->viewportXExt = (double)x;
301 pHps->viewportYExt = (double)y;
302 }
303
304 if (pHps->MapMode == MM_ISOTROPIC_W)
305 {
306 double xExt = fabs(pHps->viewportXExt);
307 double yExt = fabs(pHps->viewportYExt);
308 double sf = fabs((double)pHps->windowExt.cx / pHps->windowExt.cy);
309
310 if (xExt > (yExt * sf))
311 {
312 xExt = yExt * sf;
313
314 if ((double)LONG_MAX <= xExt) return (result);
315
316 if (pHps->viewportXExt < 0.0)
317 pHps->viewportXExt = -xExt;
318 else
319 pHps->viewportXExt = xExt;
320 }
321 else
322 {
323 yExt = xExt / sf;
324
325 if ((double)LONG_MAX <= yExt) return (result);
326
327 if (pHps->viewportYExt < 0.0)
328 pHps->viewportYExt = -yExt;
329 else
330 pHps->viewportYExt = yExt;
331 }
332 }
333 result = setPageXForm(wnd, pHps);
334
335 return (result);
336}
337//******************************************************************************
338//******************************************************************************
339VOID removeClientArea(Win32BaseWindow *window, pDCData pHps)
340{
341 POINTL point;
342
343 // This function checks to see if a client area is currently selected, if
344 // it is the origin plus the visible region of the frame are restored.
345
346 pHps->isClient = FALSE;
347
348#ifdef DEBUG
349 GreGetDCOrigin(pHps->hps, &point);
350#endif
351
352 if(pHps->isClientArea)
353 {
354 dprintf2(("removeClientArea %x: (%d,%d) -> (%d,%d)", window->getWindowHandle(), point.x, point.y, pHps->ptlOrigin.x, pHps->ptlOrigin.y));
355 pHps->isClientArea = FALSE;
356 GreSetupDC(pHps->hps,
357 pHps->hrgnVis,
358 pHps->ptlOrigin.x,
359 pHps->ptlOrigin.y,
360 0,
361 SETUPDC_ORIGIN | SETUPDC_VISRGN | SETUPDC_RECALCCLIP);
362 }
363 else dprintf2(("removeClientArea: %x (%d,%d) (%d,%d)", window->getWindowHandle(), point.x, point.y, pHps->ptlOrigin.x, pHps->ptlOrigin.y));
364
365}
366//******************************************************************************
367//******************************************************************************
368void selectClientArea(Win32BaseWindow *window, pDCData pHps)
369{
370 // This function checks to see if the DC needs to be adjusted to a client
371 // area and makes the adjustment.
372 RECTL rcl, rcltemp;
373 HRGN hrgnRect, hrgnClip, hrgnOldClip = 0;
374 HWND hwnd;
375 LONG rc;
376 PRECT pClient = window->getClientRectPtr();
377 PRECT pWindow = window->getWindowRect();
378
379 if(pClient->left == 0 && pClient->top == 0 &&
380 window->getClientHeight() == window->getWindowHeight() &&
381 window->getClientWidth() == window->getWindowWidth())
382 {
383 //client rectangle = frame rectangle -> no change necessary
384 return;
385 }
386 pHps->isClient = TRUE;
387
388 hwnd = window->getOS2WindowHandle();
389
390 mapWin32ToOS2Rect(window->getWindowHeight(), window->getClientRectPtr(), (PRECTLOS2)&rcl);
391
392 //convert to screen coordinates
393 GreGetDCOrigin(pHps->hps, (PPOINTL)&rcltemp);
394
395 if(pHps->isClientArea)
396 {
397 //TODO: counter
398 dprintf2(("WARNING: selectClientArea %x; already selected! origin (%d,%d) original origin (%d,%d)", window->getWindowHandle(), rcltemp.xLeft, rcltemp.yBottom, pHps->ptlOrigin.x, pHps->ptlOrigin.y));
399 RECT rectWindow;
400 RECTL rectWindowOS2;
401 GetWindowRect(window->getWindowHandle(), &rectWindow);
402 mapWin32ToOS2Rect(OSLibGetScreenHeight(), &rectWindow, (PRECTLOS2)&rectWindowOS2);
403 if(rectWindowOS2.xLeft + rcl.xLeft != rcltemp.xLeft ||
404 rectWindowOS2.yBottom + rcl.yBottom != rcltemp.yBottom)
405 {
406 dprintf2(("WARNING: origin changed (%d,%d) instead of (%d,%d)!", rcltemp.xLeft, rcltemp.yBottom, rectWindowOS2.xLeft + rcl.xLeft, rectWindowOS2.yBottom + rcl.yBottom));
407 rcl.xLeft += rectWindowOS2.xLeft;
408 rcl.xRight += rectWindowOS2.xLeft;
409 rcl.yTop += rectWindowOS2.yBottom;
410 rcl.yBottom += rectWindowOS2.yBottom;
411 }
412 else return;
413 }
414 else {
415 rcl.xLeft += rcltemp.xLeft;
416 rcl.xRight += rcltemp.xLeft;
417 rcl.yTop += rcltemp.yBottom;
418 rcl.yBottom += rcltemp.yBottom;
419
420 pHps->ptlOrigin.x = rcltemp.xLeft;
421 pHps->ptlOrigin.y = rcltemp.yBottom;
422 }
423
424 dprintf2(("selectClientArea %x: (%d,%d) -> (%d,%d)", window->getWindowHandle(), rcltemp.xLeft, rcltemp.yBottom, rcl.xLeft, rcl.yBottom));
425
426 if(pHps->hrgnVis == 0)
427 pHps->hrgnVis = GreCreateRectRegion(pHps->hps, &rcl, 1);
428
429 hrgnRect = GreCreateRectRegion(pHps->hps, &rcl, 1);
430
431 // Query the visible region
432 GreCopyClipRegion(pHps->hps, pHps->hrgnVis, 0, COPYCRGN_VISRGN);
433 GpiQueryRegionBox(pHps->hps, pHps->hrgnVis, &rcltemp);
434 // And the visible region of the frame with the client rectangle
435 // to get the new visible region
436 GreCombineRegion(pHps->hps, hrgnRect, pHps->hrgnVis, hrgnRect, CRGN_AND);
437#ifdef DEBUG
438 dprintfRegion1(pHps->hps, window->getWindowHandle(), hrgnRect);
439#endif
440
441 // Set the new origin plus visible region in the DC
442 GreSetupDC(pHps->hps,
443 hrgnRect,
444 rcl.xLeft,
445 rcl.yBottom,
446 NULL,
447 SETUPDC_ORIGIN | SETUPDC_VISRGN | SETUPDC_RECALCCLIP);
448
449 pHps->isClientArea = TRUE;
450
451 // Destroy the region now we have finished with it.
452 GreDestroyRegion(pHps->hps, hrgnRect);
453}
454//******************************************************************************
455//******************************************************************************
456LONG clientHeight(Win32BaseWindow *wnd, HWND hwnd, pDCData pHps)
457{
458 if ((hwnd == 0) && (pHps != 0))
459 hwnd = pHps->hwnd;
460
461 if ((hwnd != 0) || (pHps == 0))
462 {
463 if(wnd) {
464 if(pHps && !pHps->isClientArea) {
465 return (wnd->getWindowHeight());
466 }
467 else return (wnd->getClientHeight());
468 }
469 else return OSLibQueryScreenHeight();
470 }
471 else if (pHps->bitmapHandle)
472 {
473 return pHps->bitmapHeight;
474 }
475 else if (pHps->isMetaPS)
476 {
477 return 0;
478 }
479 else if (pHps->isPrinter)
480 {
481 return pHps->printPageHeight;
482 }
483 else
484 {
485 return MEM_HPS_MAX;
486 }
487}
488//******************************************************************************
489//******************************************************************************
490BOOL WIN32API changePageXForm(pDCData pHps, PPOINTL pValue, int x, int y, PPOINTL pPrev)
491{
492 Win32BaseWindow *wnd;
493
494 wnd = Win32BaseWindow::GetWindowFromOS2Handle(pHps->hwnd);
495 return changePageXForm(wnd, pHps, pValue, x, y, pPrev);
496}
497//******************************************************************************
498//******************************************************************************
499BOOL WIN32API setPageXForm(pDCData pHps)
500{
501 Win32BaseWindow *wnd;
502
503 wnd = Win32BaseWindow::GetWindowFromOS2Handle(pHps->hwnd);
504 return setPageXForm(wnd, pHps);
505}
506//******************************************************************************
507//******************************************************************************
508VOID WIN32API removeClientArea(pDCData pHps)
509{
510 Win32BaseWindow *wnd;
511
512 wnd = Win32BaseWindow::GetWindowFromOS2Handle(pHps->hwnd);
513 if(wnd) {
514 removeClientArea(wnd, pHps);
515 }
516}
517//******************************************************************************
518//******************************************************************************
519VOID WIN32API selectClientArea(pDCData pHps)
520{
521 Win32BaseWindow *wnd;
522
523 wnd = Win32BaseWindow::GetWindowFromOS2Handle(pHps->hwnd);
524 if(wnd) {
525 selectClientArea(wnd, pHps);
526 }
527}
528//******************************************************************************
529//******************************************************************************
530LONG WIN32API clientHeight(HWND hwnd, pDCData pHps)
531{
532 Win32BaseWindow *wnd;
533
534 wnd = Win32BaseWindow::GetWindowFromOS2Handle(pHps->hwnd);
535 return clientHeight(wnd, hwnd, pHps);
536}
537//******************************************************************************
538//******************************************************************************
539int WIN32API setMapMode(pDCData pHps, int mode)
540{
541 Win32BaseWindow *wnd;
542
543 wnd = Win32BaseWindow::GetWindowFromOS2Handle(pHps->hwnd);
544 return setMapMode(wnd, pHps, mode);
545}
546//******************************************************************************
547//******************************************************************************
548BOOL isYup (pDCData pHps)
549{
550 if (((pHps->windowExt.cy < 0) && (pHps->viewportYExt > 0.0)) ||
551 ((pHps->windowExt.cy > 0) && (pHps->viewportYExt < 0.0)))
552 {
553 if ((pHps->graphicsMode == GM_COMPATIBLE_W) ||
554 ((pHps->graphicsMode == GM_ADVANCED_W) && (pHps->xform.eM22 >= 0.0)))
555 return TRUE;
556 }
557 else
558 {
559 if ((pHps->graphicsMode == GM_ADVANCED_W) && (pHps->xform.eM22 < 0.0))
560 return TRUE;
561 }
562 return FALSE;
563}
564//******************************************************************************
565//******************************************************************************
566INT revertDy (Win32BaseWindow *wnd, INT dy)
567{
568 //SvL: Hack for memory.exe (doesn't get repainted properly otherwise)
569// if (wnd->isOwnDC() && wnd->getOwnDC())
570 if (wnd->isOwnDC())
571 {
572 pDCData pHps = (pDCData)GpiQueryDCData (wnd->getOwnDC());
573
574 if (pHps != NULLHANDLE)
575 if (!isYup (pHps))
576 dy = -dy;
577 }
578 else
579 {
580 dy = -dy;
581 }
582 return (dy);
583}
584//******************************************************************************
585//******************************************************************************
586HDC sendEraseBkgnd (Win32BaseWindow *wnd)
587{
588 BOOL erased;
589 HWND hwnd;
590 HDC hdc;
591 HPS hps;
592 HRGN hrgnUpdate, hrgnOld, hrgnClip, hrgnCombined;
593 RECTL rectl = { 1, 1, 2, 2 };
594
595 hwnd = wnd->getOS2WindowHandle();
596 hps = WinGetPS(hwnd);
597
598 hrgnUpdate = GpiCreateRegion (hps, 1, &rectl);
599 WinQueryUpdateRegion (hwnd, hrgnUpdate);
600 hrgnClip = GpiQueryClipRegion (hps);
601
602 if (hrgnClip == NULLHANDLE)
603 {
604 GpiSetClipRegion (hps, hrgnUpdate, &hrgnOld);
605 }
606 else
607 {
608 hrgnCombined = GpiCreateRegion (hps, 1, &rectl);
609 GpiCombineRegion (hps, hrgnCombined, hrgnClip, hrgnUpdate, CRGN_AND);
610 GpiSetClipRegion (hps, hrgnCombined, &hrgnOld);
611 GpiDestroyRegion (hps, hrgnUpdate);
612 GpiDestroyRegion (hps, hrgnClip);
613 }
614 if (hrgnOld != NULLHANDLE)
615 GpiDestroyRegion (hps, hrgnOld);
616
617 hdc = HPSToHDC (hwnd, hps, NULL, NULL);
618
619 erased = wnd->MsgEraseBackGround (hdc);
620
621 DeleteHDC (hdc);
622 WinReleasePS (hps);
623
624 return erased;
625}
626//******************************************************************************
627//******************************************************************************
628void releaseOwnDC (HDC hps)
629{
630 pDCData pHps = (pDCData)GpiQueryDCData ((HPS)hps);
631
632 dprintf2(("releaseOwnDC %x", hps));
633
634 if (pHps) {
635 if (pHps->hrgnHDC)
636 GpiDestroyRegion (pHps->hps, pHps->hrgnHDC);
637
638 GpiSetBitmap (pHps->hps, NULL);
639 O32_DeleteObject (pHps->nullBitmapHandle);
640 GpiDestroyPS(pHps->hps);
641
642 if (pHps->hdc)
643 DevCloseDC(pHps->hdc);
644 }
645}
646//******************************************************************************
647//******************************************************************************
648HDC WIN32API BeginPaint (HWND hWnd, PPAINTSTRUCT_W lpps)
649{
650 HWND hwnd = hWnd ? hWnd : HWND_DESKTOP;
651 pDCData pHps = NULLHANDLE;
652 HPS hPS_ownDC = NULLHANDLE, hpsPaint = 0;
653 RECTL rectl = {0, 0, 1, 1};
654 HRGN hrgnOldClip;
655 LONG lComplexity;
656 RECTL rectlClient;
657 RECTL rectlClip;
658
659 memset(lpps, 0, sizeof(*lpps));
660 Win32BaseWindow *wnd = Win32BaseWindow::GetWindowFromHandle(hwnd);
661 if(!lpps || !wnd) {
662 dprintf (("USER32: BeginPaint %x invalid parameter %x", hWnd, lpps));
663 SetLastError(ERROR_INVALID_PARAMETER_W);
664 return (HDC)0;
665 }
666 HWND hwndClient = wnd->getOS2WindowHandle();
667
668 if(hwnd != HWND_DESKTOP && wnd->isOwnDC())
669 {
670 hPS_ownDC = wnd->getOwnDC();
671 //SvL: Hack for memory.exe (doesn't get repainted properly otherwise)
672 if(hPS_ownDC) {
673 pHps = (pDCData)GpiQueryDCData(hPS_ownDC);
674 if (!pHps)
675 {
676 dprintf (("USER32: BeginPaint %x invalid parameter %x", hWnd, lpps));
677 SetLastError(ERROR_INVALID_PARAMETER_W);
678 return (HDC)NULLHANDLE;
679 }
680 hpsPaint = hPS_ownDC;
681 }
682 }
683 if(!hpsPaint) {
684 hpsPaint = GetDCEx(hwnd, 0, (DCX_CACHE_W|DCX_WINDOW_W|DCX_USESTYLE_W));
685 pHps = (pDCData)GpiQueryDCData(hpsPaint);
686 if (!pHps)
687 {
688 dprintf (("USER32: BeginPaint %x invalid parameter %x", hWnd, lpps));
689 SetLastError(ERROR_INVALID_PARAMETER_W);
690 return (HDC)NULLHANDLE;
691 }
692 }
693
694 if(WinQueryUpdateRect(hwndClient, &rectl) == FALSE) {
695 memset(&rectl, 0, sizeof(rectl));
696 dprintf (("USER32: WARNING: WinQueryUpdateRect failed (error or no update rectangle)!!"));
697
698 HRGN hrgnClip = GpiCreateRegion(pHps->hps, 1, &rectl);
699 GpiSetClipRegion(pHps->hps, hrgnClip, &hrgnOldClip);
700
701 selectClientArea(wnd, pHps);
702
703 //save old clip region (restored for CS_OWNDC windows in EndPaint)
704 wnd->SetClipRegion(hrgnOldClip);
705 lComplexity = RGN_NULL;
706 }
707 else {
708 rectlClip.yBottom = rectlClip.xLeft = 0;
709 rectlClip.yTop = rectlClip.xRight = 1;
710
711 //Query update region
712 HRGN hrgnClip = GpiCreateRegion(pHps->hps, 1, &rectlClip);
713 WinQueryUpdateRegion(hwndClient, hrgnClip);
714 WinValidateRegion(hwndClient, hrgnClip, FALSE);
715
716 mapWin32ToOS2Rect(wnd->getWindowHeight(), wnd->getClientRectPtr(), (PRECTLOS2)&rectlClient);
717 WinIntersectRect(NULL, &rectlClip, &rectl, &rectlClient);
718 WinOffsetRect(NULL, &rectlClip, -rectlClient.xLeft, -rectlClient.yBottom);
719
720 //clip update region with client window rectangle
721 HRGN hrgnClient = GpiCreateRegion(pHps->hps, 1, &rectlClient);
722 GpiCombineRegion(pHps->hps, hrgnClip, hrgnClip, hrgnClient, CRGN_AND);
723 GpiDestroyRegion(pHps->hps, hrgnClient);
724
725 //change origin of clip region (window -> client)
726 POINTL point = {-rectlClient.xLeft, -rectlClient.yBottom};
727 GpiOffsetRegion(pHps->hps, hrgnClip, &point);
728#ifdef DEBUG
729 dprintfRegion1(pHps->hps, hWnd, hrgnClip);
730#endif
731 //set clip region
732 lComplexity = GpiSetClipRegion(pHps->hps, hrgnClip, &hrgnOldClip);
733
734 //change presentation space for client window
735 //NOTE: MUST do this after GpiSetClipRegion call!
736 // When a window with CS_OWNDC looses focus, for some reason
737 // GpiSetClipRegion resets the window dc origin back to (0,0)
738 selectClientArea(wnd, pHps);
739
740 GpiQueryClipBox(pHps->hps, &rectl);
741 dprintf(("ClipBox (%d): (%d,%d)(%d,%d)", lComplexity, rectl.xLeft, rectl.yBottom, rectl.xRight, rectl.yTop));
742
743 //save old clip region (restored for CS_OWNDC windows in EndPaint)
744 wnd->SetClipRegion(hrgnOldClip);
745 memcpy(&rectl, &rectlClip, sizeof(RECTL));
746 lComplexity = RGN_RECT;
747 }
748
749 if(hPS_ownDC == 0)
750 setMapMode (wnd, pHps, MM_TEXT_W);
751 else
752 setPageXForm(wnd, pHps);
753
754 pHps->hdcType = TYPE_3;
755
756 HideCaret(hwnd);
757 WinShowTrackRect(wnd->getOS2WindowHandle(), FALSE);
758
759 if(wnd->needsEraseBkgnd() && lComplexity != RGN_NULL) {
760 wnd->setEraseBkgnd(FALSE);
761 lpps->fErase = (wnd->MsgEraseBackGround(pHps->hps) != 0);
762 }
763 else lpps->fErase = TRUE;
764
765#ifdef DEBUG
766 POINTL point;
767 GreGetDCOrigin(pHps->hps, &point);
768 dprintf(("dc origin (%d,%d)", point.x, point.y));
769#endif
770
771 lpps->hdc = (HDC)pHps->hps;
772
773 if(lComplexity != RGN_NULL) {
774 long height = wnd->getClientHeight();
775 lpps->rcPaint.top = height - rectl.yTop;
776 lpps->rcPaint.left = rectl.xLeft;
777 lpps->rcPaint.bottom = height - rectl.yBottom;
778 lpps->rcPaint.right = rectl.xRight;
779 }
780 else {
781 lpps->rcPaint.bottom = lpps->rcPaint.top = 0;
782 lpps->rcPaint.right = lpps->rcPaint.left = 0;
783 }
784
785 SetLastError(0);
786 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));
787 return (HDC)pHps->hps;
788}
789//******************************************************************************
790//******************************************************************************
791BOOL WIN32API EndPaint (HWND hWnd, const PAINTSTRUCT_W *pPaint)
792{
793 HWND hwnd = hWnd ? hWnd : HWND_DESKTOP;
794 HRGN hrgnOld;
795 pDCData pHps;
796
797 dprintf (("USER32: EndPaint(%x)", hwnd));
798
799 if (!pPaint || !pPaint->hdc )
800 return TRUE;
801
802 Win32BaseWindow *wnd = Win32BaseWindow::GetWindowFromHandle(hwnd);
803
804 if (!wnd) goto exit;
805
806 pHps = (pDCData)GpiQueryDCData((HPS)pPaint->hdc);
807 if (pHps && (pHps->hdcType == TYPE_3))
808 {
809 GpiSetClipRegion(pHps->hps, wnd->GetClipRegion(), &hrgnOld);
810 wnd->SetClipRegion(0);
811 if(hrgnOld) {
812 GpiDestroyRegion(pHps->hps, hrgnOld);
813 }
814 pHps->hdcType = TYPE_1; //otherwise Open32's ReleaseDC fails
815 ReleaseDC(hwnd, pPaint->hdc);
816 }
817 else {
818 dprintf(("EndPaint: wrong hdc %x!!", pPaint->hdc));
819 }
820 wnd->setEraseBkgnd(TRUE);
821 ShowCaret(hwnd);
822 WinShowTrackRect(wnd->getOS2WindowHandle(), TRUE);
823
824exit:
825 SetLastError(0);
826 return TRUE;
827}
828//******************************************************************************
829//******************************************************************************
830int WIN32API ReleaseDC (HWND hwnd, HDC hdc)
831{
832 BOOL isOwnDC = FALSE;
833 int rc;
834
835 if (hwnd)
836 {
837 Win32BaseWindow *wnd = Win32BaseWindow::GetWindowFromHandle (hwnd);
838 if(wnd == NULL) {
839 dprintf(("ERROR: ReleaseDC %x %x failed", hwnd, hdc));
840 return 0;
841 }
842 isOwnDC = wnd->isOwnDC() && (wnd->getOwnDC() == hdc);
843 if(!isOwnDC)
844 {
845 pDCData pHps = (pDCData)GpiQueryDCData((HPS)hdc);
846 if(pHps && pHps->psType == MICRO_CACHED) {
847 removeClientArea(wnd, pHps);
848 if(pHps->hrgnVis) {
849 GreDestroyRegion(pHps->hps, pHps->hrgnVis);
850 pHps->hrgnVis = 0;
851 }
852 }
853 else {
854 dprintf(("ERROR: ReleaseDC: pHps == NULL!!"));
855 DebugInt3();
856 }
857 }
858 else {
859 dprintf2(("ReleaseDC: CS_OWNDC, not released"));
860 }
861 }
862
863 if(isOwnDC) {
864 rc = TRUE;
865 }
866 else {
867 rc = O32_ReleaseDC (0, hdc);
868 }
869
870 dprintf(("ReleaseDC %x %x", hwnd, hdc));
871 return (rc);
872}
873//******************************************************************************
874// This implementation of GetDCEx supports
875// DCX_WINDOW
876// DCX_CACHE
877// DCX_EXCLUDERGN (complex regions allowed)
878// DCX_INTERSECTRGN (complex regions allowed)
879// DCX_USESTYLE
880// DCX_CLIPSIBLINGS
881// DCX_CLIPCHILDREN
882// DCX_PARENTCLIP
883//
884//TODO: WM_SETREDRAW affects drawingAllowed flag!!
885//******************************************************************************
886HDC WIN32API GetDCEx (HWND hwnd, HRGN hrgn, ULONG flags)
887{
888 Win32BaseWindow *wnd = NULL;
889 HWND hWindow;
890 BOOL success;
891 pDCData pHps = NULL;
892 HPS hps = NULLHANDLE;
893 BOOL drawingAllowed = TRUE;
894 BOOL isWindowOwnDC;
895 BOOL creatingOwnDC = FALSE;
896 PS_Type psType;
897
898 if(hwnd == 0) {
899 dprintf(("error: GetDCEx window %x not found", hwnd));
900 SetLastError(ERROR_INVALID_WINDOW_HANDLE_W);
901 return 0;
902 }
903
904 if (hwnd)
905 {
906 wnd = Win32BaseWindow::GetWindowFromHandle(hwnd);
907 if(wnd == NULL) {
908 dprintf (("ERROR: User32: GetDCEx bad window handle %X!!!!!", hwnd));
909 SetLastError(ERROR_INVALID_WINDOW_HANDLE_W);
910 return 0;
911 }
912 hWindow = wnd->getOS2WindowHandle();
913 }
914
915 isWindowOwnDC = (((hWindow == HWND_DESKTOP) ? FALSE : (wnd->isOwnDC()))
916 && !(flags & (DCX_CACHE_W|DCX_WINDOW_W)));
917
918 if(isWindowOwnDC) //own dc always for client area
919 {
920 hps = wnd->getOwnDC();
921 if (hps)
922 {
923 pDCData pHps = (pDCData)GpiQueryDCData (hps);
924 if (!pHps)
925 goto error;
926
927 selectClientArea(wnd, pHps);
928
929 //TODO: Is this always necessary??
930 setPageXForm (wnd, pHps);
931 pHps->hdcType = TYPE_1;
932
933 //TODO: intersect/exclude clip region?
934 dprintf (("User32: GetDCEx hwnd %x (%x %x) -> wnd %x hdc %x", hwnd, hrgn, flags, wnd, hps));
935 return (HDC)hps;
936 }
937 else
938 creatingOwnDC = TRUE;
939 }
940
941 if(isWindowOwnDC)
942 {
943 SIZEL sizel = {0,0};
944 hps = GpiCreatePS (WinQueryAnchorBlock (hWindow),
945 WinOpenWindowDC (hWindow),
946 &sizel, PU_PELS | GPIT_MICRO | GPIA_ASSOC );
947 psType = MICRO;
948 }
949 else
950 {
951 if (hWindow == HWND_DESKTOP) {
952 hps = WinGetScreenPS (hWindow);
953 }
954 else {
955 int clipstyle = 0;
956 int clipwnd = HWND_TOP;
957 if(flags & (DCX_USESTYLE_W)) {
958 int style = wnd->getStyle();
959 if(style & WS_CLIPCHILDREN_W) {
960 clipstyle |= PSF_CLIPCHILDREN;
961 }
962 if(style & WS_CLIPSIBLINGS_W) {
963 clipstyle |= PSF_CLIPSIBLINGS;
964 }
965 if(wnd->fHasParentDC()) {
966 clipstyle |= PSF_PARENTCLIP;
967 }
968 }
969 if(flags & DCX_CLIPSIBLINGS_W) {
970 clipstyle |= PSF_CLIPSIBLINGS;
971 }
972 if(flags & DCX_CLIPCHILDREN_W) {
973 clipstyle |= PSF_CLIPCHILDREN;
974 }
975 if(flags & DCX_PARENTCLIP_W) {
976 clipstyle |= PSF_PARENTCLIP;
977 }
978 if(clipstyle) {
979 dprintf2(("WinGetClipPS style %x", clipstyle));
980 hps = WinGetClipPS(hWindow, clipwnd, clipstyle);
981 }
982 else hps = WinGetPS (hWindow);
983 }
984 psType = MICRO_CACHED;
985 }
986
987 if (!hps)
988 goto error;
989
990 HPSToHDC (hWindow, hps, NULL, NULL);
991 pHps = (pDCData)GpiQueryDCData (hps);
992
993 if(!(flags & DCX_WINDOW_W))
994 {
995 selectClientArea(wnd, pHps);
996 }
997 else removeClientArea(wnd, pHps);
998
999 setMapMode(wnd, pHps, MM_TEXT_W);
1000
1001 if ((flags & DCX_EXCLUDERGN_W) || (flags & DCX_INTERSECTRGN_W))
1002 {
1003 ULONG BytesNeeded;
1004 PRGNDATA RgnData;
1005 PRECT pr;
1006 int i;
1007 RECTL rectl;
1008
1009 if (!hrgn)
1010 goto error;
1011
1012 success = TRUE;
1013 if (flags & DCX_EXCLUDERGN_W)
1014 {
1015#if 0 //CB: todo
1016 long height;
1017
1018 BytesNeeded = GetRegionData (hrgn, 0, NULL);
1019 RgnData = (PRGNDATA_W)_alloca (BytesNeeded);
1020 if (RgnData == NULL)
1021 goto error;
1022 GetRegionData (hrgn, BytesNeeded, RgnData);
1023
1024 i = RgnData->rdh.nCount;
1025 pr = (PRECT)(RgnData->Buffer);
1026
1027 if (flags & DCX_WINDOW_W)
1028 height = wnd->getWindowHeight();
1029 else height = wnd->getClientHeight();
1030
1031 for (; (i > 0) && success; i--, pr++) {
1032 LONG y = pr->yBottom;
1033
1034 pr->yBottom = height - pr->yTop;
1035 pr->yTop = height - y;
1036 success &= GpiExcludeClipRectangle (pHps->hps, pr);
1037 }
1038#endif
1039 }
1040 else //DCX_INTERSECTRGN_W
1041 {
1042 //SvL: I'm getting paint problems when clipping a dc created in GetDCEx
1043 // with a region that covers the entire window (RealPlayer 7 Update 1)
1044 // Using SelectClipRgn here doesn't make any difference.
1045 if(ExtSelectClipRgn(pHps->hps, hrgn, RGN_AND_W) == ERROR_W) {
1046 dprintf(("ExtSelectClipRgn failed!!"));
1047 }
1048 }
1049 if (!success)
1050 goto error;
1051 }
1052
1053 if (creatingOwnDC)
1054 wnd->setOwnDC ((HDC)hps);
1055
1056 pHps->psType = psType;
1057 pHps->hdcType = TYPE_1;
1058 //TODO: WM_SETREDRAW affects drawingAllowed flag!!
1059 GpiSetDrawControl (hps, DCTL_DISPLAY, drawingAllowed ? DCTL_ON : DCTL_OFF);
1060
1061 dprintf (("User32: GetDCEx hwnd %x (%x %x) -> hdc %x", hwnd, hrgn, flags, pHps->hps));
1062 return (HDC)pHps->hps;
1063
1064error:
1065 /* Something went wrong; clean up
1066 */
1067 dprintf(("ERROR: GetDCEx hwnd %x (%x %x) FAILED!", hwnd, hrgn, flags));
1068 DebugInt3();
1069 if (pHps)
1070 {
1071 if (pHps->hps)
1072 {
1073 if(pHps->psType == MICRO_CACHED)
1074 WinReleasePS(pHps->hps);
1075 else
1076 GpiDestroyPS(pHps->hps);
1077 }
1078
1079 if (pHps->hdc) DevCloseDC(pHps->hdc);
1080 if (pHps->hrgnHDC) GpiDestroyRegion(pHps->hps, pHps->hrgnHDC);
1081
1082 O32_DeleteObject (pHps->nullBitmapHandle);
1083 }
1084 SetLastError(ERROR_INVALID_PARAMETER_W);
1085 return NULL;
1086}
1087//******************************************************************************
1088//******************************************************************************
1089HDC WIN32API GetDC (HWND hwnd)
1090{
1091 if(!hwnd)
1092 return GetDCEx( GetDesktopWindow(), 0, DCX_CACHE_W | DCX_WINDOW_W );
1093 return GetDCEx (hwnd, NULL, 0);
1094}
1095//******************************************************************************
1096//******************************************************************************
1097HDC WIN32API GetWindowDC (HWND hwnd)
1098{
1099 if (!hwnd) hwnd = GetDesktopWindow();
1100 return GetDCEx (hwnd, NULL, DCX_WINDOW_W);
1101}
1102//******************************************************************************
1103//Helper for RedrawWindow (RDW_ALLCHILDREN_W)
1104//******************************************************************************
1105LRESULT WIN32API RedrawChildEnumProc(HWND hwnd, LPARAM lParam)
1106{
1107 RedrawWindow(hwnd, NULL, 0, lParam);
1108 return TRUE;
1109}
1110//******************************************************************************
1111// This implementation of RedrawWindow supports
1112// RDW_ERASE
1113// RDW_NOERASE
1114// RDW_INTERNALPAINT
1115// RDW_NOINTERNALPAINT
1116// RDW_INVALIDATE
1117// RDW_VALIDATE
1118// RDW_ERASENOW
1119// RDW_UPDATENOW
1120// RDW_FRAME
1121//
1122//TODO: Works ok for RDW_FRAME??
1123//******************************************************************************
1124BOOL WIN32API RedrawWindow(HWND hwnd, const RECT* pRect, HRGN hrgn, DWORD redraw)
1125{
1126 Win32BaseWindow *wnd;
1127
1128 if(pRect) {
1129 dprintf(("RedrawWindow %x (%d,%d)(%d,%d) %x %x", hwnd, pRect->left, pRect->top, pRect->right, pRect->bottom, hrgn, redraw));
1130 }
1131 else dprintf(("RedrawWindow %x %x %x %x", hwnd, pRect, hrgn, redraw));
1132
1133 if (hwnd == NULLHANDLE)
1134 {
1135#if 1
1136 // Don't do this for now (causes lots of desktop repaints in WordPad)
1137 SetLastError(ERROR_INVALID_PARAMETER_W);
1138 return FALSE;
1139#else
1140 hwnd = HWND_DESKTOP;
1141 wnd = Win32BaseWindow::GetWindowFromOS2Handle(OSLIB_HWND_DESKTOP);
1142
1143 if (!wnd)
1144 {
1145 dprintf(("USER32:dc: RedrawWindow can't find desktop window %08xh\n",
1146 hwnd));
1147 SetLastError(ERROR_INVALID_PARAMETER_W);
1148 return FALSE;
1149 }
1150#endif
1151 }
1152 else
1153 {
1154 wnd = Win32BaseWindow::GetWindowFromHandle (hwnd);
1155
1156 if (!wnd)
1157 {
1158 dprintf(("USER32:dc: RedrawWindow can't find window %08xh\n",
1159 hwnd));
1160 SetLastError(ERROR_INVALID_PARAMETER_W);
1161 return FALSE;
1162 }
1163 hwnd = wnd->getOS2WindowHandle();
1164 }
1165
1166 BOOL IncludeChildren = (redraw & RDW_ALLCHILDREN_W) ? TRUE : FALSE;
1167 BOOL success = TRUE;
1168 HPS hpsTemp = NULLHANDLE;
1169 HRGN hrgnTemp = NULLHANDLE;
1170 RECTL rectl;
1171
1172 if (hrgn)
1173 {
1174 ULONG BytesNeeded;
1175 PRGNDATA RgnData;
1176 PRECTL pr;
1177 int i;
1178 LONG height;
1179
1180 if(wnd) {
1181 height = (redraw & RDW_FRAME_W) ? wnd->getWindowHeight() : wnd->getClientHeight();
1182 }
1183 else height = OSLibQueryScreenHeight();
1184
1185 if (!hrgn)
1186 goto error;
1187
1188 BytesNeeded = GetRegionData (hrgn, 0, NULL);
1189 RgnData = (PRGNDATA)_alloca (BytesNeeded);
1190 if (RgnData == NULL)
1191 goto error;
1192 GetRegionData (hrgn, BytesNeeded, RgnData);
1193
1194 pr = (PRECTL)(RgnData->Buffer);
1195 for (i = RgnData->rdh.nCount; i > 0; i--, pr++) {
1196 LONG temp = pr->yTop;
1197 pr->yTop = height - pr->yBottom;
1198 pr->yBottom = height - temp;
1199 }
1200
1201 hpsTemp = WinGetScreenPS (HWND_DESKTOP);
1202 hrgnTemp = GpiCreateRegion (hpsTemp, RgnData->rdh.nCount, (PRECTL)(RgnData->Buffer));
1203 if (!hrgnTemp) goto error;
1204 }
1205 else if (pRect)
1206 {
1207 if(wnd) {
1208 if(redraw & RDW_FRAME_W) {
1209 mapWin32ToOS2Rect(wnd->getWindowHeight(), (PRECT)pRect, (PRECTLOS2)&rectl);
1210 }
1211 else mapWin32ToOS2RectClientToFrame(wnd, (PRECT)pRect, (PRECTLOS2)&rectl);
1212 }
1213 else mapWin32ToOS2Rect(OSLibQueryScreenHeight(), (PRECT)pRect, (PRECTLOS2)&rectl);
1214 }
1215
1216 if (redraw & RDW_INVALIDATE_W)
1217 {
1218 //TODO: SvL: pingpong.exe doesn't have RDW_NOERASE, but doesn't want WM_ERASEBKGND msgs
1219 if (redraw & RDW_ERASE_W) {
1220 wnd->setEraseBkgnd(TRUE);
1221 }
1222 else
1223 if (redraw & RDW_NOERASE_W)
1224 wnd->setEraseBkgnd(FALSE);
1225
1226 if (!pRect && !hrgn)
1227 success = WinInvalidateRect (hwnd, NULL, IncludeChildren);
1228 else
1229 if (hrgn) {
1230 success = WinInvalidateRegion (hwnd, hrgnTemp, IncludeChildren);
1231 if(IncludeChildren && WinQueryUpdateRect(hwnd, NULL) == FALSE) {
1232 dprintf(("WARNING: WinQueryUpdateRect %x region %x returned false even though we just invalidated part of a window!!!", hwnd, hrgnTemp));
1233 success = success = WinInvalidateRegion (hwnd, hrgnTemp, FALSE);
1234 }
1235 }
1236 else {
1237 dprintf2(("WinInvalidateRect (%d,%d)(%d,%d)", rectl.xLeft, rectl.yBottom, rectl.xRight, rectl.yTop));
1238 success = WinInvalidateRect (hwnd, &rectl, IncludeChildren);
1239//SvL: If all children are included, then WinInvalidateRect is called
1240// with fIncludeChildren=1 -> rect of hwnd isn't invalidated if child(ren)
1241// overlap(s) the specified rectangle completely (EVEN if window doesn't
1242// have WS_CLIPCHILREN!)
1243// -> example: XWing vs Tie Fighter install window
1244// WinInvalidateRect with fIncludeChildren=0 invalidates both the parent
1245// and child windows
1246//SvL: Can't always set fIncludeChildren to FALSE or else some controls in
1247// the RealPlayer setup application aren't redrawn when invalidating
1248// their parent
1249// SO: Check if IncludeChildren is set and part of the window is invalid
1250// If not -> call WinInvalidateRect with IncludeChildren=0 to force
1251// the window rectangle to be invalidated
1252//
1253 if(IncludeChildren && WinQueryUpdateRect(hwnd, NULL) == FALSE) {
1254 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));
1255 success = WinInvalidateRect (hwnd, &rectl, FALSE);
1256 }
1257 }
1258
1259 if (!success) goto error;
1260 }
1261 else if (redraw & RDW_VALIDATE_W)
1262 {
1263 if (redraw & RDW_NOERASE_W)
1264 wnd->setEraseBkgnd(FALSE);
1265
1266 if (WinQueryUpdateRect (hwnd, NULL))
1267 {
1268 if(!pRect && !hrgn) {
1269 success = WinValidateRect (hwnd, NULL, IncludeChildren);
1270 }
1271 else
1272 if(hrgn) {
1273 success = WinValidateRegion (hwnd, hrgnTemp, IncludeChildren);
1274 }
1275 else {
1276 success = WinValidateRect (hwnd, &rectl, IncludeChildren);
1277 }
1278 if(!success) goto error;
1279 }
1280 }
1281
1282 if(WinQueryUpdateRect(hwnd, NULL))
1283 {
1284 //TODO: Does this work if RDW_ALLCHILDREN is set??
1285 if(redraw & RDW_UPDATENOW_W) {
1286 wnd->MsgNCPaint();
1287 wnd->MsgPaint(0, FALSE);
1288 }
1289 else
1290// if((redraw & RDW_ERASE_W) && (redraw & RDW_ERASENOW_W))
1291 if(redraw & RDW_ERASENOW_W && wnd->needsEraseBkgnd())
1292 wnd->setEraseBkgnd(sendEraseBkgnd(wnd) == 0);
1293// if(redraw & RDW_ALLCHILDREN_W) {
1294// EnumChildWindows(wnd->getWindowHandle(), RedrawChildEnumProc, redraw);
1295// }
1296 }
1297 else if((redraw & RDW_INTERNALPAINT_W) && !(redraw & RDW_INVALIDATE_W))
1298 {
1299 if(redraw & RDW_UPDATENOW_W) {
1300 wnd->MsgNCPaint();
1301 wnd->MsgPaint (0, FALSE);
1302 }
1303 else PostMessageA(hwnd, WINWM_PAINT, 0, 0);
1304 }
1305
1306error:
1307 /* clean up */
1308 if (hrgnTemp)
1309 GpiDestroyRegion (hpsTemp, hrgnTemp);
1310
1311 if (hpsTemp)
1312 WinReleasePS (hpsTemp);
1313
1314 if (!success) {
1315 dprintf(("RedrawWindow failure!"));
1316 SetLastError(ERROR_INVALID_PARAMETER_W);
1317 }
1318 return (success);
1319}
1320//******************************************************************************
1321//******************************************************************************
1322BOOL WIN32API UpdateWindow (HWND hwnd)
1323{
1324 Win32BaseWindow *wnd = Win32BaseWindow::GetWindowFromHandle (hwnd);
1325
1326 if(!wnd) {
1327 SetLastError(ERROR_INVALID_WINDOW_HANDLE_W);
1328 return FALSE;
1329 }
1330
1331 dprintf (("User32: UpdateWindow hwnd %x", hwnd));
1332//SvL: This doesn't work right (Wine uses RDW_NOCHILDREN_W -> doesn't work here)
1333// Breaks vpbuddy
1334// return RedrawWindow(hwnd, NULL, 0, RDW_UPDATENOW_W | RDW_ALLCHILDREN_W);
1335// -> RDW_UPDATENOW causes WM_PAINT messages to be directy posted to window
1336// handler; possibly bypassing queued WM_PAINT messages for parent window(s)
1337// -> out of sync painting (i.e. parent paints over child)
1338 WinUpdateWindow(wnd->getOS2WindowHandle());
1339 return TRUE;
1340}
1341//******************************************************************************
1342//******************************************************************************
1343BOOL WIN32API ValidateRect( HWND hwnd, const RECT * lprc)
1344{
1345 if(lprc) {
1346 dprintf(("USER32: ValidateRect %x (%d,%d)(%d,%d)", hwnd, lprc->left, lprc->top, lprc->right, lprc->bottom));
1347 }
1348 else dprintf(("USER32: ValidateRect %x", hwnd));
1349
1350 return RedrawWindow( hwnd, lprc, 0, RDW_VALIDATE_W | RDW_NOCHILDREN_W | (hwnd==0 ? RDW_UPDATENOW_W : 0));
1351}
1352//******************************************************************************
1353//******************************************************************************
1354BOOL WIN32API ValidateRgn( HWND hwnd, HRGN hrgn)
1355{
1356 dprintf(("USER32: ValidateRgn %x %x", hwnd, hrgn));
1357 return RedrawWindow( hwnd, NULL, hrgn, RDW_VALIDATE_W | RDW_NOCHILDREN_W | (hwnd==0 ? RDW_UPDATENOW_W : 0));
1358}
1359//******************************************************************************
1360//******************************************************************************
1361BOOL WIN32API InvalidateRect (HWND hwnd, const RECT *pRect, BOOL erase)
1362{
1363 BOOL result;
1364
1365 if(pRect) {
1366 dprintf(("InvalidateRect %x (%d,%d)(%d,%d) erase=%d", hwnd, pRect->left, pRect->top, pRect->right, pRect->bottom, erase));
1367 }
1368 else dprintf(("InvalidateRect %x NULL erase=%d", hwnd, erase));
1369 result = RedrawWindow (hwnd, pRect, NULLHANDLE,
1370 RDW_ALLCHILDREN_W | RDW_INVALIDATE_W |
1371 (erase ? RDW_ERASE_W : RDW_NOERASE_W) |
1372 (hwnd == NULLHANDLE ? RDW_UPDATENOW_W : 0));
1373 return (result);
1374}
1375//******************************************************************************
1376//******************************************************************************
1377BOOL WIN32API InvalidateRgn (HWND hwnd, HRGN hrgn, BOOL erase)
1378{
1379 BOOL result;
1380
1381 dprintf(("InvalidateRgn %x %x erase=%d", hwnd, hrgn, erase));
1382 result = RedrawWindow (hwnd, NULL, hrgn,
1383 RDW_ALLCHILDREN_W | RDW_INVALIDATE_W |
1384 (erase ? RDW_ERASE_W : RDW_NOERASE_W) |
1385 (hwnd == NULLHANDLE ? RDW_UPDATENOW_W : 0));
1386 return (result);
1387}
1388//******************************************************************************
1389//TODO: Change for client rectangle!!!!!
1390//******************************************************************************
1391BOOL setPMRgnIntoWinRgn (HRGN hrgnPM, HRGN hrgnWin, LONG height)
1392{
1393 BOOL rc;
1394 HPS hps = WinGetScreenPS (HWND_DESKTOP);
1395 RGNRECT rgnRect;
1396 rgnRect.ircStart = 1;
1397 rgnRect.crc = 0;
1398 rgnRect.ulDirection = RECTDIR_LFRT_TOPBOT; // doesn't make a difference because we're getting them all
1399
1400 rc = GpiQueryRegionRects (hps, hrgnPM, NULL, &rgnRect, NULL);
1401
1402 if (rc && (rgnRect.crcReturned > 0))
1403 {
1404 PRECTL Rcls = new RECTL[rgnRect.crcReturned];
1405 PRECTL pRcl = Rcls;
1406
1407 if (Rcls != NULL)
1408 {
1409 rgnRect.crc = rgnRect.crcReturned;
1410 rc = GpiQueryRegionRects (hps, hrgnPM, NULL, &rgnRect, Rcls);
1411
1412 rc = SetRectRgn(hrgnWin, pRcl->xLeft,
1413 pRcl->xRight,
1414 height - pRcl->yTop,
1415 height - pRcl->yBottom);
1416
1417 if (rgnRect.crcReturned > 1)
1418 {
1419 int i;
1420 HRGN temp;
1421 temp = CreateRectRgn (0, 0, 1, 1);
1422
1423 for (i = 1, pRcl++; rc && (i < rgnRect.crcReturned); i++, pRcl++)
1424 {
1425 rc = SetRectRgn (temp, pRcl->xLeft,
1426 pRcl->xRight,
1427 height - pRcl->yTop,
1428 height - pRcl->yBottom);
1429 rc &= CombineRgn (hrgnWin, hrgnWin, temp, RGN_OR_W);
1430 }
1431 DeleteObject (temp);
1432 }
1433 delete[] Rcls;
1434 }
1435 else
1436 {
1437 rc = FALSE;
1438 }
1439 }
1440 else
1441 {
1442 rc = SetRectRgn (hrgnWin, 0, 0, 0, 0);
1443 }
1444
1445 WinReleasePS (hps);
1446 return (rc);
1447}
1448//******************************************************************************
1449//TODO: Check if this one works correctly...
1450//Have to check if dc is for frame or client!!
1451//******************************************************************************
1452BOOL WIN32API ScrollDC(HDC hDC, int dx, int dy, const RECT *pScroll,
1453 const RECT *pClip, HRGN hrgnUpdate, LPRECT pRectUpdate)
1454{
1455 BOOL rc = TRUE;
1456
1457 dprintf (("USER32: ScrollDC %x (%d,%d), %x %x %x %x", hDC, dx, dy, pScroll, pClip, hrgnUpdate, pRectUpdate));
1458
1459 if (!hDC)
1460 {
1461 return (FALSE);
1462 }
1463
1464 pDCData pHps = (pDCData)GpiQueryDCData ((HPS)hDC);
1465 HWND hwnd = pHps->hwnd;
1466 Win32BaseWindow *wnd = Win32BaseWindow::GetWindowFromHandle (hwnd);
1467
1468 if ((hwnd == NULLHANDLE) || !wnd)
1469 {
1470 return (FALSE);
1471 }
1472
1473 POINTL ptl[2] = { 0, 0, dx, dy };
1474
1475 GpiConvert (pHps->hps, CVTC_WORLD, CVTC_DEVICE, 2, ptl);
1476 dx = (int)(ptl[1].x - ptl[0].x);
1477 dy = (int)(ptl[1].y - ptl[0].y);
1478
1479 RECT scrollRect;
1480 RECT clipRect;
1481
1482 if (pClip)
1483 {
1484 memcpy(&clipRect, pClip, sizeof(clipRect));
1485
1486 if ((pHps->graphicsMode == GM_COMPATIBLE_W) &&
1487 (clipRect.left != clipRect.right) &&
1488 (clipRect.bottom != clipRect.top))
1489 {
1490 if (abs((int)pHps->viewportXExt) <= abs((int)pHps->windowExt.cx))
1491 clipRect.right -= abs(pHps->worldXDeltaFor1Pixel);
1492 else
1493 clipRect.left += abs(pHps->worldXDeltaFor1Pixel);
1494
1495 if (abs((int)pHps->viewportYExt) <= abs((int)pHps->windowExt.cy))
1496 clipRect.bottom -= abs(pHps->worldYDeltaFor1Pixel);
1497 else
1498 clipRect.top += abs(pHps->worldYDeltaFor1Pixel);
1499 }
1500 GpiConvert(pHps->hps, CVTC_WORLD, CVTC_DEVICE, 2, (PPOINTL)&clipRect);
1501 if (clipRect.right < clipRect.left) {
1502 ULONG temp = clipRect.left;
1503 clipRect.left = clipRect.right;
1504 clipRect.right = temp;
1505 }
1506 if (clipRect.bottom < clipRect.top) {
1507 ULONG temp = clipRect.top;
1508 clipRect.top = clipRect.bottom;
1509 clipRect.bottom = temp;
1510 }
1511 }
1512
1513 if (pScroll)
1514 {
1515 memcpy(&scrollRect, pScroll, sizeof(scrollRect));
1516
1517 if ((pHps->graphicsMode == GM_COMPATIBLE_W) &&
1518 (scrollRect.left != scrollRect.right) &&
1519 (scrollRect.top != scrollRect.bottom))
1520 {
1521 if (abs((int)pHps->viewportXExt) <= abs((int)pHps->windowExt.cx))
1522 scrollRect.right -= abs(pHps->worldXDeltaFor1Pixel);
1523 else
1524 scrollRect.left += abs(pHps->worldXDeltaFor1Pixel);
1525
1526 if (abs((int)pHps->viewportYExt) <= abs((int)pHps->windowExt.cy))
1527 scrollRect.bottom -= abs(pHps->worldYDeltaFor1Pixel);
1528 else
1529 scrollRect.top += abs(pHps->worldYDeltaFor1Pixel);
1530 }
1531 GpiConvert (pHps->hps, CVTC_WORLD, CVTC_DEVICE, 2, (PPOINTL)&scrollRect);
1532 if (scrollRect.right < scrollRect.left) {
1533 ULONG temp = scrollRect.left;
1534 scrollRect.left = scrollRect.right;
1535 scrollRect.right = temp;
1536 }
1537 if (scrollRect.bottom < scrollRect.top) {
1538 ULONG temp = scrollRect.top;
1539 scrollRect.top = scrollRect.bottom;
1540 scrollRect.bottom = temp;
1541 }
1542 }
1543 RECTL rectlUpdate;
1544 HRGN hrgn;
1545 RECTL clientRect;
1546 RECTL clipOS2;
1547 RECTL scrollOS2;
1548 PRECTL pScrollOS2 = NULL;
1549 PRECTL pClipOS2 = NULL;
1550
1551 mapWin32ToOS2Rect(wnd->getWindowHeight(), wnd->getClientRectPtr(), (PRECTLOS2)&clientRect);
1552
1553 if(pScroll) {
1554 mapWin32ToOS2RectClientToFrame(wnd, &scrollRect, (PRECTLOS2)&scrollOS2);
1555 pScrollOS2 = &scrollOS2;
1556
1557 //Scroll rectangle relative to client area
1558 WinIntersectRect ((HAB) 0, pScrollOS2, pScrollOS2, &clientRect);
1559 }
1560 else {
1561 pScrollOS2 = &clientRect;
1562 }
1563
1564 if(pClip) {
1565 mapWin32ToOS2RectClientToFrame(wnd, &clipRect, (PRECTLOS2)&clipOS2);
1566 pClipOS2 = &clipOS2;
1567
1568 //Clip rectangle relative to client area
1569 WinIntersectRect((HAB) 0, pClipOS2, pClipOS2, &clientRect);
1570 }
1571 else {
1572 pClipOS2 = &clientRect;
1573 }
1574
1575 LONG lComplexity = WinScrollWindow(hwnd, dx, dy, pScrollOS2,
1576 pClipOS2, hrgn, &rectlUpdate, 0);
1577 if (lComplexity == RGN_ERROR)
1578 {
1579 return (FALSE);
1580 }
1581
1582 RECT winRectUpdate;
1583
1584 mapOS2ToWin32Rect(wnd->getWindowHeight(), (PRECTLOS2)&rectlUpdate, &winRectUpdate);
1585
1586 if (pRectUpdate)
1587 *pRectUpdate = winRectUpdate;
1588
1589 if (hrgnUpdate)
1590 rc = setPMRgnIntoWinRgn(hrgn, hrgnUpdate, wnd->getWindowHeight());
1591
1592 return (rc);
1593}
1594//******************************************************************************
1595//******************************************************************************
1596BOOL WIN32API ScrollWindow(HWND hwnd, int dx, int dy, const RECT *pScroll, const RECT *pClip)
1597{
1598 Win32BaseWindow *window;
1599 APIRET rc;
1600 RECTL clientRect;
1601 RECTL scrollRect;
1602 RECTL clipRect;
1603 PRECTL pScrollOS2 = NULL;
1604 PRECTL pClipOS2 = NULL;
1605 ULONG scrollFlags = SW_INVALIDATERGN;
1606
1607 window = Win32BaseWindow::GetWindowFromHandle(hwnd);
1608 if(!window) {
1609 dprintf(("ScrollWindow, window %x not found", hwnd));
1610 return 0;
1611 }
1612 dprintf(("ScrollWindow %x %d %d %x %x", hwnd, dx, dy, pScroll, pClip));
1613
1614 mapWin32ToOS2Rect(window->getWindowHeight(), window->getClientRectPtr(), (PRECTLOS2)&clientRect);
1615
1616 if(pScroll) {
1617 mapWin32ToOS2RectClientToFrame(window,(RECT *)pScroll, (PRECTLOS2)&scrollRect);
1618 pScrollOS2 = &scrollRect;
1619
1620 //Scroll rectangle relative to client area
1621 WinIntersectRect ((HAB) 0, pScrollOS2, pScrollOS2, &clientRect);
1622 }
1623 else {
1624 pScrollOS2 = &clientRect;
1625 scrollFlags |= SW_SCROLLCHILDREN;
1626 }
1627
1628 if(pClip) {
1629 mapWin32ToOS2RectClientToFrame(window,(RECT *)pClip, (PRECTLOS2)&clipRect);
1630 pClipOS2 = &clipRect;
1631
1632 //Clip rectangle relative to client area
1633 WinIntersectRect ((HAB) 0, pClipOS2, pClipOS2, &clientRect);
1634 }
1635 else {
1636 pClipOS2 = &clientRect;
1637 }
1638
1639 dy = revertDy (window, dy);
1640
1641 rc = WinScrollWindow(window->getOS2WindowHandle(), dx, dy,
1642 pScrollOS2, pClipOS2, NULLHANDLE,
1643 NULL, scrollFlags);
1644
1645 return (rc != RGN_ERROR);
1646}
1647//******************************************************************************
1648//******************************************************************************
1649INT WIN32API ScrollWindowEx(HWND hwnd, int dx, int dy, const RECT *pScroll, const RECT *pClip,
1650 HRGN hrgnUpdate, PRECT pRectUpdate, UINT scrollFlag)
1651{
1652 Win32BaseWindow *window;
1653 APIRET rc;
1654 RECTL clientRect;
1655 RECTL scrollRect;
1656 RECTL clipRect;
1657 PRECTL pScrollOS2 = NULL;
1658 PRECTL pClipOS2 = NULL;
1659 ULONG scrollFlags = 0;
1660 int regionType = ERROR_W;
1661
1662 window = Win32BaseWindow::GetWindowFromHandle(hwnd);
1663 if(!window) {
1664 dprintf(("ScrollWindowEx, window %x not found", hwnd));
1665 return 0;
1666 }
1667
1668 dprintf(("ScrollWindowEx %x %d %d %x %x", hwnd, dx, dy, pScroll, pClip));
1669
1670 dy = revertDy (window, dy);
1671
1672 if (scrollFlag & SW_INVALIDATE_W) scrollFlags |= SW_INVALIDATERGN;
1673 if (scrollFlag & SW_SCROLLCHILDREN_W) scrollFlags |= SW_SCROLLCHILDREN;
1674
1675 mapWin32ToOS2Rect(window->getWindowHeight(), window->getClientRectPtr(), (PRECTLOS2)&clientRect);
1676
1677 if(pScroll) {
1678 mapWin32ToOS2RectClientToFrame(window,(RECT *)pScroll, (PRECTLOS2)&scrollRect);
1679 pScrollOS2 = &scrollRect;
1680
1681 //Scroll rectangle relative to client area
1682 WinIntersectRect ((HAB) 0, pScrollOS2, pScrollOS2, &clientRect);
1683 }
1684 else {
1685 pScrollOS2 = &clientRect;
1686 scrollFlags |= SW_SCROLLCHILDREN; //TODO: ?????
1687 }
1688
1689 if(pClip) {
1690 mapWin32ToOS2RectClientToFrame(window,(RECT *)pClip, (PRECTLOS2)&clipRect);
1691 pClipOS2 = &clipRect;
1692
1693 //Clip rectangle relative to client area
1694 WinIntersectRect ((HAB) 0, pClipOS2, pClipOS2, &clientRect);
1695 }
1696 else {
1697 pClipOS2 = &clientRect;
1698 }
1699
1700 RECTL rectlUpdate;
1701 HRGN hrgn;
1702
1703 if (scrollFlag & SW_SMOOTHSCROLL_W)
1704 {
1705 INT time = (scrollFlag >> 16) & 0xFFFF;
1706
1707 //CB: todo, scroll in several steps
1708 // is time in ms? time <-> iteration count?
1709 }
1710
1711 LONG lComplexity = WinScrollWindow (window->getOS2WindowHandle(), dx, dy,
1712 pScrollOS2,
1713 pClipOS2,
1714 hrgn, &rectlUpdate, scrollFlags);
1715 if (lComplexity == RGN_ERROR)
1716 {
1717 return ERROR_W;
1718 }
1719
1720 RECT winRectUpdate;
1721
1722 mapOS2ToWin32Rect(window->getWindowHeight(), (PRECTLOS2)&rectlUpdate, &winRectUpdate);
1723
1724 if (pRectUpdate)
1725 *pRectUpdate = winRectUpdate;
1726
1727 if (hrgnUpdate)
1728 rc = setPMRgnIntoWinRgn (hrgn, hrgnUpdate, window->getWindowHeight());
1729
1730#if 0
1731 //SvL: WinScrollWindow already invalidates the area; no need to do it again
1732 //(call to invalidateRect was wrong; has to include erase flag)
1733 if ((scrollFlag & SW_INVALIDATE_W) &&
1734 ((lComplexity == RGN_RECT) || (lComplexity == RGN_COMPLEX)))
1735 {
1736 rc = InvalidateRect (hwnd, &winRectUpdate, (scrollFlag & SW_ERASE_W) ? 1 : 0);
1737 if (rc == FALSE)
1738 {
1739 return (0);
1740 }
1741 }
1742#endif
1743
1744 switch (lComplexity)
1745 {
1746 case RGN_NULL:
1747 regionType = NULLREGION_W;
1748 break;
1749 case RGN_RECT:
1750 regionType = SIMPLEREGION_W;
1751 break;
1752 case RGN_COMPLEX:
1753 regionType = COMPLEXREGION_W;
1754 break;
1755 default:
1756 regionType = ERROR_W;
1757 break;
1758 }
1759
1760 return (regionType);
1761}
1762//******************************************************************************
1763//******************************************************************************
1764HWND WIN32API WindowFromDC(HDC hdc)
1765{
1766 pDCData pHps = (pDCData)GpiQueryDCData( (HPS)hdc );
1767
1768 dprintf2(("USER32: WindowFromDC %x", hdc));
1769 if ( pHps )
1770 return Win32BaseWindow::OS2ToWin32Handle(pHps->hwnd);
1771 else
1772 return 0;
1773}
1774//******************************************************************************
1775//******************************************************************************
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