source: trunk/src/user32/dc.cpp@ 5215

Last change on this file since 5215 was 5215, checked in by sandervl, 25 years ago

ScrollWindow, maximized window + system menu fixes
File size: 61.5 KB
Line 
1/* $Id: dc.cpp,v 1.91 2001-02-20 15:40:22 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
38#define INCLUDED_BY_DC
39#include "dc.h"
40
41#define DBG_LOCALLOG DBG_dc
42#include "dbglocal.h"
43
44#ifndef DEVESC_SETPS
45 #define DEVESC_SETPS 49149L
46#endif
47
48#define FLOAT_TO_FIXED(x) ((FIXED) ((x) * 65536.0))
49#define MICRO_HPS_TO_HDC(x) ((x) & 0xFFFFFFFE)
50
51#define PMRECT_FROM_WINRECT( pmRect, winRect ) \
52{ \
53 (pmRect).xLeft = (winRect).left; \
54 (pmRect).yBottom = (winRect).bottom; \
55 (pmRect).xRight = (winRect).right; \
56 (pmRect).yTop = (winRect).top; \
57}
58
59#define WINRECT_FROM_PMRECT( winRect, pmRect ) \
60{ \
61 (winRect).left = (pmRect).xLeft; \
62 (winRect).top = (pmRect).yTop; \
63 (winRect).right = (pmRect).xRight; \
64 (winRect).bottom = (pmRect).yBottom; \
65}
66
67#define MEM_HPS_MAX 768
68
69const XFORM_W XFORMIdentity = { 1.0, 0.0, 0.0, 1.0, 0, 0 };
70const MATRIXLF matrixlfIdentity = { 0x10000, 0, 0, 0, 0x10000, 0, 0, 0, 0};
71
72BOOL setPageXForm(Win32BaseWindow *wnd, pDCData pHps);
73BOOL changePageXForm(Win32BaseWindow *wnd, pDCData pHps, PPOINTL pValue, int x, int y, PPOINTL pPrev);
74LONG clientHeight(Win32BaseWindow *wnd, HWND hwnd, pDCData pHps);
75
76#ifdef DEBUG
77#define dprintfRegion(a,b,c) if(DbgEnabledLvl2[DBG_LOCALLOG] == 1) dprintfRegion1(a,b,c)
78
79void dprintfRegion1(HPS hps, HWND hWnd, HRGN hrgnClip)
80{
81 RGNRECT rgnRect = {0, 16, 0, RECTDIR_LFRT_TOPBOT};
82 RECTL rectRegion[16];
83 APIRET rc;
84
85 dprintf(("dprintfRegion %x %x", hWnd, hps));
86 rc = GpiQueryRegionRects(hps, hrgnClip, NULL, &rgnRect, &rectRegion[0]);
87 for(int i=0;i<rgnRect.crcReturned;i++) {
88 dprintf(("(%d,%d)(%d,%d)", rectRegion[i].xLeft, rectRegion[i].yBottom, rectRegion[i].xRight, rectRegion[i].yTop));
89 }
90}
91#else
92#define dprintfRegion(a,b,c)
93#endif
94
95//******************************************************************************
96//******************************************************************************
97void WIN32API TestWideLine (pDCData pHps)
98{
99 const LOGPEN_W *pLogPen;
100
101 pHps->isWideLine = FALSE;
102 pLogPen = pHps->penIsExtPen ?
103 &(pHps->lastPenObject->ExtPen.logpen) :
104 &(pHps->lastPenObject->Pen.logpen);
105
106 if (((pLogPen->lopnStyle & PS_STYLE_MASK_W) != PS_NULL_W) &&
107 (pLogPen->lopnWidth.x > 0))
108 {
109 POINTL aptl[2] = { 0, 0, pLogPen->lopnWidth.x, pLogPen->lopnWidth.x };
110
111 GpiConvert(pHps->hps, CVTC_WORLD, CVTC_DEVICE, 2, aptl);
112
113 ULONG dx = abs(aptl[0].x - aptl[1].x);
114 ULONG dy = abs(aptl[0].y - aptl[1].y);
115
116 pHps->isWideLine = (dx > 1) || (dy > 1);
117 }
118}
119//******************************************************************************
120//******************************************************************************
121void WIN32API Calculate1PixelDelta(pDCData pHps)
122{
123 POINTL aptl[2] = {0, 0, 1, 1};
124
125 GpiConvert(pHps->hps, CVTC_DEVICE, CVTC_WORLD, 2, aptl);
126 pHps->worldYDeltaFor1Pixel = (int)(aptl[1].y - aptl[0].y);
127 pHps->worldXDeltaFor1Pixel = (int)(aptl[1].x - aptl[0].x); // 171182
128}
129//******************************************************************************
130//******************************************************************************
131int setMapMode(Win32BaseWindow *wnd, pDCData pHps, int mode)
132{
133 int prevMode = 0;
134 ULONG flOptions;
135
136 switch (mode)
137 {
138 case MM_HIENGLISH_W : flOptions = PU_HIENGLISH; break;
139 case MM_LOENGLISH_W : flOptions = PU_LOENGLISH; break;
140 case MM_HIMETRIC_W : flOptions = PU_HIMETRIC ; break;
141 case MM_LOMETRIC_W : flOptions = PU_LOMETRIC ; break;
142 case MM_TEXT_W : flOptions = PU_PELS ; break;
143 case MM_TWIPS_W : flOptions = PU_TWIPS ; break;
144 case MM_ANISOTROPIC_W: flOptions = PU_PELS ; break;
145 case MM_ISOTROPIC_W : flOptions = PU_LOMETRIC ; break;
146 default:
147 SetLastError(ERROR_INVALID_PARAMETER_W);
148 return FALSE;
149 }
150
151 prevMode = pHps->MapMode; /* store previous mode */
152 pHps->MapMode = mode;
153
154 if (mode == MM_TEXT_W)
155 {
156 pHps->viewportXExt =
157 pHps->viewportYExt = 1.0;
158 pHps->windowExt.cx =
159 pHps->windowExt.cy = 1;
160 }
161 else if (mode != MM_ANISOTROPIC_W)
162 {
163 RECTL rectl;
164 SIZEL sizel;
165 ULONG data[3];
166
167 data[0] = flOptions;
168 data[1] = data[2] = 0;
169
170 if (DevEscape(pHps->hdc ? pHps->hdc : pHps->hps, DEVESC_SETPS, 12, (PBYTE)data, 0, 0) == DEVESC_ERROR)
171 {
172 SetLastError(ERROR_INVALID_PARAMETER_W);
173 return 0;
174 }
175
176 GpiQueryPageViewport(pHps->hps, &rectl);
177 pHps->viewportXExt = (double)rectl.xRight;
178 pHps->viewportYExt = -(double)rectl.yTop;
179
180 GreGetPageUnits(pHps->hdc? pHps->hdc : pHps->hps, &sizel);
181 pHps->windowExt.cx = sizel.cx;
182 pHps->windowExt.cy = sizel.cy;
183
184 data[0] = PU_PELS;
185 DevEscape(pHps->hdc ? pHps->hdc : pHps->hps, DEVESC_SETPS, 12, (PBYTE)data, 0, 0);
186 }
187
188 if (((prevMode != MM_ISOTROPIC_W) && (prevMode != MM_ANISOTROPIC_W)) &&
189 ((mode == MM_ISOTROPIC_W) || (mode == MM_ANISOTROPIC_W)))
190 {
191 if (pHps->lWndXExtSave && pHps->lWndYExtSave)
192 {
193 changePageXForm (wnd, pHps, (PPOINTL)&pHps->windowExt,
194 pHps->lWndXExtSave, pHps->lWndYExtSave, NULL );
195 pHps->lWndXExtSave = pHps->lWndYExtSave = 0;
196 }
197 if (pHps->lVwpXExtSave && pHps->lVwpYExtSave)
198 {
199 changePageXForm (wnd, pHps, NULL,
200 pHps->lVwpXExtSave, pHps->lVwpYExtSave, NULL );
201 pHps->lVwpXExtSave = pHps->lVwpYExtSave = 0;
202 }
203 }
204
205 setPageXForm(wnd, pHps);
206
207 return prevMode;
208}
209//******************************************************************************
210//******************************************************************************
211BOOL setPageXForm(Win32BaseWindow *wnd, pDCData pHps)
212{
213 MATRIXLF mlf;
214 BOOL rc = TRUE;
215
216 pHps->height = clientHeight(wnd, 0, pHps) - 1;
217
218 double xScale = pHps->viewportXExt / (double)pHps->windowExt.cx;
219 double yScale = pHps->viewportYExt / (double)pHps->windowExt.cy;
220
221#if 0
222 mlf.fxM11 = FLOAT_TO_FIXED(1.0);
223 mlf.fxM12 = 0;
224 mlf.lM13 = 0;
225 mlf.fxM21 = 0;
226 mlf.fxM22 = FLOAT_TO_FIXED(1.0);
227 mlf.lM23 = 0;
228 mlf.lM31 = pHps->viewportOrg.x - (LONG)(pHps->windowOrg.x * xScale);
229 mlf.lM32 = pHps->viewportOrg.y - (LONG)(pHps->windowOrg.y * yScale);
230 mlf.lM33 = 1;
231
232//testestest
233 if(wnd && wnd->getWindowWidth() && wnd->getWindowHeight())
234 {
235 RECTL recttmp, rectviewold;
236
237 rc = GpiQueryPageViewport(pHps->hps, &rectviewold);
238 if(rc == 0) {
239 dprintf(("WARNING: GpiQueryPageViewport returned FALSE!!"));
240 }
241 recttmp.xLeft = 0;
242 recttmp.xRight = ((double)GetScreenWidth() / xScale);
243 recttmp.yBottom = 0;
244 recttmp.yTop = ((double)GetScreenHeight() / yScale);
245
246 if(recttmp.yTop != rectviewold.yTop ||
247 recttmp.xRight != rectviewold.xRight)
248 {
249 if(pHps->viewportYExt > pHps->windowExt.cy) {//scaling up means we have to invert the y values
250 recttmp.yBottom = GetScreenHeight() - recttmp.yTop;
251 recttmp.yTop = GetScreenHeight();
252 }
253 dprintf(("GpiSetPageViewport %x (%d,%d)(%d,%d) %f %f", pHps->hps, recttmp.xLeft, recttmp.yBottom, recttmp.xRight, recttmp.yTop, xScale, yScale));
254 rc = GpiSetPageViewport(pHps->hps, &recttmp);
255 if(rc == 0) {
256 dprintf(("WARNING: GpiSetPageViewport returned FALSE!!"));
257 }
258 }
259 }
260//testestest
261
262#else
263 mlf.fxM11 = FLOAT_TO_FIXED(xScale);
264 mlf.fxM12 = 0;
265 mlf.lM13 = 0;
266 mlf.fxM21 = 0;
267 mlf.fxM22 = FLOAT_TO_FIXED(yScale);
268 mlf.lM23 = 0;
269 mlf.lM31 = pHps->viewportOrg.x - (LONG)(pHps->windowOrg.x * xScale);
270 mlf.lM32 = pHps->viewportOrg.y - (LONG)(pHps->windowOrg.y * yScale);
271 mlf.lM33 = 1;
272#endif
273
274 pHps->isLeftLeft = mlf.fxM11 >= 0;
275 pHps->isTopTop = mlf.fxM22 >= 0;
276
277 BOOL bEnableYInversion = FALSE;
278 if ((mlf.fxM22 > 0) ||
279 ((pHps->graphicsMode == GM_ADVANCED_W) &&
280 ((pHps->MapMode == MM_ANISOTROPIC_W) ||
281 (pHps->MapMode == MM_ISOTROPIC_W))))
282 {
283 bEnableYInversion = TRUE;
284 }
285 else
286 {
287 bEnableYInversion = FALSE;
288 mlf.lM32 = pHps->HPStoHDCInversionHeight + pHps->height - mlf.lM32;
289 mlf.fxM22 = -mlf.fxM22;
290 }
291
292 if (!pHps->isMetaPS)
293// if ((!pHps->isMetaPS) ||
294// (pHps->pMetaFileObject && pHps->pMetaFileObject->isEnhanced()))
295 rc = GpiSetDefaultViewMatrix(pHps->hps, 8, &mlf, TRANSFORM_REPLACE);
296 if(rc == 0) {
297 dprintf(("WARNING: GpiSetDefaultViewMatrix returned FALSE!!"));
298 }
299#ifdef INVERT
300 if (bEnableYInversion)
301 GpiEnableYInversion(pHps->hps, pHps->height + pHps->HPStoHDCInversionHeight);
302 else
303 GpiEnableYInversion(pHps->hps, 0);
304#else
305 pHps->yInvert = 0;
306 if(bEnableYInversion)
307 {
308 pHps->yInvert4Enable = pHps->height + pHps->HPStoHDCInversionHeight;
309 if(pHps->isPrinter)
310 {
311 pHps->yInvert = pHps->yInvert4Enable
312 * (pHps->windowExt.cy / (double)pHps->viewportYExt);
313 } else {
314 pHps->yInvert = pHps->yInvert4Enable;
315 }
316 }
317#endif
318
319 TestWideLine(pHps);
320 Calculate1PixelDelta(pHps);
321 return rc;
322}
323//******************************************************************************
324//******************************************************************************
325BOOL changePageXForm(Win32BaseWindow *wnd, pDCData pHps, PPOINTL pValue, int x, int y, PPOINTL pPrev)
326{
327 BOOL result = FALSE;
328
329 if (pValue)
330 {
331 if (pPrev)
332 *pPrev = *pValue;
333
334 if ((pValue->x == x) && (pValue->y == y)) {
335 return TRUE;
336 }
337 pValue->x = x;
338 pValue->y = y;
339 }
340 else
341 {
342 if (pPrev)
343 {
344 pPrev->x = (int)pHps->viewportXExt;
345 pPrev->y = (int)pHps->viewportYExt;
346 }
347 pHps->viewportXExt = (double)x;
348 pHps->viewportYExt = (double)y;
349 }
350
351 if (pHps->MapMode == MM_ISOTROPIC_W)
352 {
353 double xExt = fabs(pHps->viewportXExt);
354 double yExt = fabs(pHps->viewportYExt);
355 double sf = fabs((double)pHps->windowExt.cx / pHps->windowExt.cy);
356
357 if (xExt > (yExt * sf))
358 {
359 xExt = yExt * sf;
360
361 if ((double)LONG_MAX <= xExt) return (result);
362
363 if (pHps->viewportXExt < 0.0)
364 pHps->viewportXExt = -xExt;
365 else
366 pHps->viewportXExt = xExt;
367 }
368 else
369 {
370 yExt = xExt / sf;
371
372 if ((double)LONG_MAX <= yExt) return (result);
373
374 if (pHps->viewportYExt < 0.0)
375 pHps->viewportYExt = -yExt;
376 else
377 pHps->viewportYExt = yExt;
378 }
379 }
380 result = setPageXForm(wnd, pHps);
381
382 return (result);
383}
384//******************************************************************************
385//******************************************************************************
386VOID removeClientArea(Win32BaseWindow *window, pDCData pHps)
387{
388 POINTL point;
389
390 // This function checks to see if a client area is currently selected, if
391 // it is the origin plus the visible region of the frame are restored.
392
393 pHps->isClient = FALSE;
394
395 dprintfOrigin(pHps->hps);
396
397 if(pHps->isClientArea)
398 {
399 dprintf2(("removeClientArea %x: (%d,%d) -> (%d,%d)", window->getWindowHandle(), point.x, point.y, pHps->ptlOrigin.x, pHps->ptlOrigin.y));
400 pHps->isClientArea = FALSE;
401 GreSetupDC(pHps->hps,
402 pHps->hrgnVis,
403 pHps->ptlOrigin.x,
404 pHps->ptlOrigin.y,
405 0,
406 SETUPDC_ORIGIN | SETUPDC_VISRGN | SETUPDC_RECALCCLIP);
407 }
408 else dprintf2(("removeClientArea: %x (%d,%d) (%d,%d)", window->getWindowHandle(), point.x, point.y, pHps->ptlOrigin.x, pHps->ptlOrigin.y));
409
410}
411//******************************************************************************
412//******************************************************************************
413void selectClientArea(Win32BaseWindow *window, pDCData pHps)
414{
415 // This function checks to see if the DC needs to be adjusted to a client
416 // area and makes the adjustment.
417 RECTL rcl, rcltemp;
418 HRGN hrgnRect, hrgnClip, hrgnOldClip = 0;
419 HWND hwnd;
420 LONG rc;
421 PRECT pClient = window->getClientRectPtr();
422 PRECT pWindow = window->getWindowRect();
423 RECT rectWindow;
424 RECTL rectWindowOS2;
425
426 if(pClient->left == 0 && pClient->top == 0 &&
427 window->getClientHeight() == window->getWindowHeight() &&
428 window->getClientWidth() == window->getWindowWidth())
429 {
430 //client rectangle = frame rectangle -> no change necessary
431 return;
432 }
433 pHps->isClient = TRUE;
434
435 hwnd = window->getOS2WindowHandle();
436
437 mapWin32ToOS2Rect(window->getWindowHeight(), window->getClientRectPtr(), (PRECTLOS2)&rcl);
438
439 //convert to screen coordinates
440 GreGetDCOrigin(pHps->hps, (PPOINTL)&rcltemp);
441
442 if(pHps->isClientArea)
443 {
444 //TODO: counter
445 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));
446 GetWindowRect(window->getWindowHandle(), &rectWindow);
447 mapWin32ToOS2Rect(GetScreenHeight(), &rectWindow, (PRECTLOS2)&rectWindowOS2);
448 if(rectWindowOS2.xLeft + rcl.xLeft != rcltemp.xLeft ||
449 rectWindowOS2.yBottom + rcl.yBottom != rcltemp.yBottom)
450 {
451 dprintf2(("WARNING: origin changed (%d,%d) instead of (%d,%d)!", rcltemp.xLeft, rcltemp.yBottom, rectWindowOS2.xLeft + rcl.xLeft, rectWindowOS2.yBottom + rcl.yBottom));
452 rcl.xLeft += rectWindowOS2.xLeft;
453 rcl.xRight += rectWindowOS2.xLeft;
454 rcl.yTop += rectWindowOS2.yBottom;
455 rcl.yBottom += rectWindowOS2.yBottom;
456 }
457 else return;
458 }
459 else {
460 rcl.xLeft += rcltemp.xLeft;
461 rcl.xRight += rcltemp.xLeft;
462 rcl.yTop += rcltemp.yBottom;
463 rcl.yBottom += rcltemp.yBottom;
464
465 pHps->ptlOrigin.x = rcltemp.xLeft;
466 pHps->ptlOrigin.y = rcltemp.yBottom;
467 }
468 dprintf2(("selectClientArea %x: (%d,%d) -> (%d,%d)", window->getWindowHandle(), rcltemp.xLeft, rcltemp.yBottom, rcl.xLeft, rcl.yBottom));
469
470 if(pHps->hrgnVis == 0)
471 pHps->hrgnVis = GreCreateRectRegion(pHps->hps, &rcl, 1);
472
473 hrgnRect = GreCreateRectRegion(pHps->hps, &rcl, 1);
474#if 0
475 if(window->getParent())
476 {
477 HRGN hrgnParentClip;
478
479 pClient = window->getParent()->getClientRectPtr();
480 GetWindowRect(window->getParent()->getWindowHandle(), &rectWindow);
481 rectWindow.right = rectWindow.left + pClient->right;
482 rectWindow.left += pClient->left;
483 rectWindow.bottom = rectWindow.top + pClient->bottom;
484 rectWindow.top += pClient->top;
485 mapWin32ToOS2Rect(GetScreenHeight(), &rectWindow, (PRECTLOS2)&rectWindowOS2);
486
487 hrgnParentClip = GreCreateRectRegion(pHps->hps, &rectWindowOS2, 1);
488 GreCombineRegion(pHps->hps, hrgnRect, hrgnParentClip, hrgnRect, CRGN_AND);
489 GreDestroyRegion(pHps->hps, hrgnParentClip);
490 }
491#endif
492
493 // Query the visible region
494 GreCopyClipRegion(pHps->hps, pHps->hrgnVis, 0, COPYCRGN_VISRGN);
495 GpiQueryRegionBox(pHps->hps, pHps->hrgnVis, &rcltemp);
496 // And the visible region of the frame with the client rectangle
497 // to get the new visible region
498 GreCombineRegion(pHps->hps, hrgnRect, pHps->hrgnVis, hrgnRect, CRGN_AND);
499#ifdef DEBUG
500 dprintfRegion1(pHps->hps, window->getWindowHandle(), hrgnRect);
501#endif
502
503 // Set the new origin plus visible region in the DC
504 GreSetupDC(pHps->hps,
505 hrgnRect,
506 rcl.xLeft,
507 rcl.yBottom,
508 NULL,
509 SETUPDC_ORIGIN | SETUPDC_VISRGN | SETUPDC_RECALCCLIP);
510
511 pHps->isClientArea = TRUE;
512
513 // Destroy the region now we have finished with it.
514 GreDestroyRegion(pHps->hps, hrgnRect);
515
516//testestest
517 GpiQueryViewingLimits(pHps->hps, &rectWindowOS2);
518 dprintf2(("view limits (%d,%d)(%d,%d)", rectWindowOS2.xLeft, rectWindowOS2.yBottom, rectWindowOS2.xRight, rectWindowOS2.yTop));
519 GpiQueryDefViewingLimits(pHps->hps, &rectWindowOS2);
520 dprintf2(("def view limits (%d,%d)(%d,%d)", rectWindowOS2.xLeft, rectWindowOS2.yBottom, rectWindowOS2.xRight, rectWindowOS2.yTop));
521 GpiQueryPageViewport(pHps->hps, &rectWindowOS2);
522 dprintf2(("page viewport (%d,%d)(%d,%d)", rectWindowOS2.xLeft, rectWindowOS2.yBottom, rectWindowOS2.xRight, rectWindowOS2.yTop));
523
524 GpiQueryBoundaryData(pHps->hps, &rectWindowOS2);
525 dprintf2(("boundary data (%d,%d)(%d,%d)", rectWindowOS2.xLeft, rectWindowOS2.yBottom, rectWindowOS2.xRight, rectWindowOS2.yTop));
526
527 GpiQueryGraphicsField(pHps->hps, &rectWindowOS2);
528 dprintf2(("graphics field (%d,%d)(%d,%d)", rectWindowOS2.xLeft, rectWindowOS2.yBottom, rectWindowOS2.xRight, rectWindowOS2.yTop));
529
530 SIZEL size;
531 GpiQueryPickApertureSize(pHps->hps, &size);
532 dprintf2(("page viewport (%d,%d)", size.cx, size.cy));
533//testestest
534
535}
536//******************************************************************************
537//******************************************************************************
538void selectClientArea(Win32BaseWindow *wnd, HDC hdc)
539{
540 pDCData pHps = (pDCData)GpiQueryDCData (wnd->getOwnDC());
541
542 if (pHps != NULLHANDLE)
543 selectClientArea(wnd, pHps);
544}
545//******************************************************************************
546//******************************************************************************
547LONG clientHeight(Win32BaseWindow *wnd, HWND hwnd, pDCData pHps)
548{
549 if ((hwnd == 0) && (pHps != 0))
550 hwnd = pHps->hwnd;
551
552 if ((hwnd != 0) || (pHps == 0))
553 {
554 if(wnd) {
555 if(pHps && !pHps->isClientArea) {
556 return (wnd->getWindowHeight());
557 }
558 else return (wnd->getClientHeight());
559 }
560 else return OSLibQueryScreenHeight();
561 }
562 else if (pHps->bitmapHandle)
563 {
564 return pHps->bitmapHeight;
565 }
566 else if (pHps->isMetaPS)
567 {
568 return 0;
569 }
570 else if (pHps->isPrinter)
571 {
572 return pHps->printPageHeight;
573 }
574 else
575 {
576 return MEM_HPS_MAX;
577 }
578}
579//******************************************************************************
580//******************************************************************************
581BOOL WIN32API changePageXForm(pDCData pHps, PPOINTL pValue, int x, int y, PPOINTL pPrev)
582{
583 Win32BaseWindow *wnd;
584
585 wnd = Win32BaseWindow::GetWindowFromOS2Handle(pHps->hwnd);
586 return changePageXForm(wnd, pHps, pValue, x, y, pPrev);
587}
588//******************************************************************************
589//******************************************************************************
590BOOL WIN32API setPageXForm(pDCData pHps)
591{
592 Win32BaseWindow *wnd;
593
594 wnd = Win32BaseWindow::GetWindowFromOS2Handle(pHps->hwnd);
595 return setPageXForm(wnd, pHps);
596}
597//******************************************************************************
598//******************************************************************************
599VOID WIN32API removeClientArea(pDCData pHps)
600{
601 Win32BaseWindow *wnd;
602
603 wnd = Win32BaseWindow::GetWindowFromOS2Handle(pHps->hwnd);
604 if(wnd) {
605 removeClientArea(wnd, pHps);
606 }
607}
608//******************************************************************************
609//******************************************************************************
610VOID WIN32API selectClientArea(pDCData pHps)
611{
612 Win32BaseWindow *wnd;
613
614 wnd = Win32BaseWindow::GetWindowFromOS2Handle(pHps->hwnd);
615 if(wnd) {
616 selectClientArea(wnd, pHps);
617 }
618}
619//******************************************************************************
620//******************************************************************************
621LONG WIN32API clientHeight(HWND hwnd, pDCData pHps)
622{
623 Win32BaseWindow *wnd;
624
625 wnd = Win32BaseWindow::GetWindowFromOS2Handle(hwnd);
626 return clientHeight(wnd, hwnd, pHps);
627}
628//******************************************************************************
629//******************************************************************************
630int WIN32API setMapMode(pDCData pHps, int mode)
631{
632 Win32BaseWindow *wnd;
633
634 wnd = Win32BaseWindow::GetWindowFromOS2Handle(pHps->hwnd);
635 return setMapMode(wnd, pHps, mode);
636}
637//******************************************************************************
638//******************************************************************************
639BOOL isYup (pDCData pHps)
640{
641 if (((pHps->windowExt.cy < 0) && (pHps->viewportYExt > 0.0)) ||
642 ((pHps->windowExt.cy > 0) && (pHps->viewportYExt < 0.0)))
643 {
644 if ((pHps->graphicsMode == GM_COMPATIBLE_W) ||
645 ((pHps->graphicsMode == GM_ADVANCED_W) && (pHps->xform.eM22 >= 0.0)))
646 return TRUE;
647 }
648 else
649 {
650 if ((pHps->graphicsMode == GM_ADVANCED_W) && (pHps->xform.eM22 < 0.0))
651 return TRUE;
652 }
653 return FALSE;
654}
655//******************************************************************************
656//******************************************************************************
657INT revertDy (Win32BaseWindow *wnd, INT dy)
658{
659 //SvL: Hack for memory.exe (doesn't get repainted properly otherwise)
660// if (wnd->isOwnDC() && wnd->getOwnDC())
661 if (wnd->isOwnDC())
662 {
663 pDCData pHps = (pDCData)GpiQueryDCData (wnd->getOwnDC());
664
665 if (pHps != NULLHANDLE)
666 if (!isYup (pHps))
667 dy = -dy;
668 }
669 else
670 {
671 dy = -dy;
672 }
673 return (dy);
674}
675//******************************************************************************
676//******************************************************************************
677HDC sendEraseBkgnd (Win32BaseWindow *wnd)
678{
679 BOOL erased;
680 HWND hwnd;
681 HDC hdc;
682 HPS hps;
683 HRGN hrgnUpdate, hrgnOld, hrgnClip, hrgnCombined;
684 RECTL rectl = { 1, 1, 2, 2 };
685
686 hwnd = wnd->getOS2WindowHandle();
687 hps = WinGetPS(hwnd);
688
689 hrgnUpdate = GpiCreateRegion (hps, 1, &rectl);
690 WinQueryUpdateRegion (hwnd, hrgnUpdate);
691 hrgnClip = GpiQueryClipRegion (hps);
692
693 if (hrgnClip == NULLHANDLE)
694 {
695 GpiSetClipRegion (hps, hrgnUpdate, &hrgnOld);
696 }
697 else
698 {
699 hrgnCombined = GpiCreateRegion (hps, 1, &rectl);
700 GpiCombineRegion (hps, hrgnCombined, hrgnClip, hrgnUpdate, CRGN_AND);
701 GpiSetClipRegion (hps, hrgnCombined, &hrgnOld);
702 GpiDestroyRegion (hps, hrgnUpdate);
703 GpiDestroyRegion (hps, hrgnClip);
704 }
705 if (hrgnOld != NULLHANDLE)
706 GpiDestroyRegion (hps, hrgnOld);
707
708 hdc = HPSToHDC (hwnd, hps, NULL, NULL);
709
710 erased = wnd->MsgEraseBackGround (hdc);
711
712 DeleteHDC (hdc);
713 WinReleasePS (hps);
714
715 return erased;
716}
717//******************************************************************************
718//******************************************************************************
719void releaseOwnDC (HDC hps)
720{
721 pDCData pHps = (pDCData)GpiQueryDCData ((HPS)hps);
722
723 dprintf2(("releaseOwnDC %x", hps));
724
725 if (pHps) {
726 if (pHps->hrgnHDC)
727 GpiDestroyRegion (pHps->hps, pHps->hrgnHDC);
728
729 GpiSetBitmap (pHps->hps, NULL);
730 O32_DeleteObject (pHps->nullBitmapHandle);
731 GpiDestroyPS(pHps->hps);
732
733 if (pHps->hdc)
734 DevCloseDC(pHps->hdc);
735 }
736}
737//******************************************************************************
738//******************************************************************************
739HDC WIN32API BeginPaint (HWND hWnd, PPAINTSTRUCT_W lpps)
740{
741 HWND hwnd = hWnd ? hWnd : HWND_DESKTOP;
742 pDCData pHps = NULLHANDLE;
743 HPS hPS_ownDC = NULLHANDLE, hpsPaint = 0;
744 RECTL rectl = {0, 0, 1, 1};
745 HRGN hrgnOldClip;
746 LONG lComplexity;
747 RECTL rectlClient;
748 RECTL rectlClip;
749
750 memset(lpps, 0, sizeof(*lpps));
751 Win32BaseWindow *wnd = Win32BaseWindow::GetWindowFromHandle(hwnd);
752 if(!lpps || !wnd) {
753 dprintf (("USER32: BeginPaint %x invalid parameter %x", hWnd, lpps));
754 SetLastError(ERROR_INVALID_PARAMETER_W);
755 return (HDC)0;
756 }
757 HWND hwndClient = wnd->getOS2WindowHandle();
758
759 if(hwnd != HWND_DESKTOP && wnd->isOwnDC())
760 {
761 hPS_ownDC = wnd->getOwnDC();
762 //SvL: Hack for memory.exe (doesn't get repainted properly otherwise)
763 if(hPS_ownDC) {
764 pHps = (pDCData)GpiQueryDCData(hPS_ownDC);
765 if (!pHps)
766 {
767 dprintf (("USER32: BeginPaint %x invalid parameter %x", hWnd, lpps));
768 SetLastError(ERROR_INVALID_PARAMETER_W);
769 return (HDC)NULLHANDLE;
770 }
771 hpsPaint = hPS_ownDC;
772 }
773 }
774 if(!hpsPaint) {
775 hpsPaint = GetDCEx(hwnd, 0, (DCX_CACHE_W|DCX_WINDOW_W|DCX_USESTYLE_W));
776 pHps = (pDCData)GpiQueryDCData(hpsPaint);
777 if (!pHps)
778 {
779 dprintf (("USER32: BeginPaint %x invalid parameter %x", hWnd, lpps));
780 SetLastError(ERROR_INVALID_PARAMETER_W);
781 return (HDC)NULLHANDLE;
782 }
783 }
784
785 if(WinQueryUpdateRect(hwndClient, &rectl) == FALSE) {
786 memset(&rectl, 0, sizeof(rectl));
787 dprintf (("USER32: WARNING: WinQueryUpdateRect failed (error or no update rectangle)!!"));
788
789 HRGN hrgnClip = GpiCreateRegion(pHps->hps, 1, &rectl);
790 GpiSetClipRegion(pHps->hps, hrgnClip, &hrgnOldClip);
791
792 selectClientArea(wnd, pHps);
793
794 //save old clip region (restored for CS_OWNDC windows in EndPaint)
795 wnd->SetClipRegion(hrgnOldClip);
796 lComplexity = RGN_NULL;
797 }
798 else {
799 rectlClip.yBottom = rectlClip.xLeft = 0;
800 rectlClip.yTop = rectlClip.xRight = 1;
801
802 //Query update region
803 HRGN hrgnClip = GpiCreateRegion(pHps->hps, 1, &rectlClip);
804 WinQueryUpdateRegion(hwndClient, hrgnClip);
805 WinValidateRegion(hwndClient, hrgnClip, FALSE);
806
807 mapWin32ToOS2Rect(wnd->getWindowHeight(), wnd->getClientRectPtr(), (PRECTLOS2)&rectlClient);
808 WinIntersectRect(NULL, &rectlClip, &rectl, &rectlClient);
809 WinOffsetRect(NULL, &rectlClip, -rectlClient.xLeft, -rectlClient.yBottom);
810
811 //clip update region with client window rectangle
812 HRGN hrgnClient = GpiCreateRegion(pHps->hps, 1, &rectlClient);
813 GpiCombineRegion(pHps->hps, hrgnClip, hrgnClip, hrgnClient, CRGN_AND);
814 GpiDestroyRegion(pHps->hps, hrgnClient);
815
816 //change origin of clip region (window -> client)
817 POINTL point = {-rectlClient.xLeft, -rectlClient.yBottom};
818 GpiOffsetRegion(pHps->hps, hrgnClip, &point);
819#ifdef DEBUG
820 dprintfRegion1(pHps->hps, hWnd, hrgnClip);
821#endif
822 //set clip region
823 lComplexity = GpiSetClipRegion(pHps->hps, hrgnClip, &hrgnOldClip);
824
825 //change presentation space for client window
826 //NOTE: MUST do this after GpiSetClipRegion call!
827 // When a window with CS_OWNDC looses focus, for some reason
828 // GpiSetClipRegion resets the window dc origin back to (0,0)
829 selectClientArea(wnd, pHps);
830
831 GpiQueryClipBox(pHps->hps, &rectl);
832 dprintf(("ClipBox (%d): (%d,%d)(%d,%d)", lComplexity, rectl.xLeft, rectl.yBottom, rectl.xRight, rectl.yTop));
833
834 //save old clip region (restored for CS_OWNDC windows in EndPaint)
835 wnd->SetClipRegion(hrgnOldClip);
836 memcpy(&rectl, &rectlClip, sizeof(RECTL));
837 lComplexity = RGN_RECT;
838 }
839
840 if(hPS_ownDC == 0)
841 setMapMode (wnd, pHps, MM_TEXT_W);
842 else
843 setPageXForm(wnd, pHps);
844
845 pHps->hdcType = TYPE_3;
846
847 HideCaret(hwnd);
848 WinShowTrackRect(wnd->getOS2WindowHandle(), FALSE);
849
850 if(wnd->needsEraseBkgnd() && lComplexity != RGN_NULL) {
851 wnd->setEraseBkgnd(FALSE);
852 lpps->fErase = (wnd->MsgEraseBackGround(pHps->hps) != 0);
853 }
854 else lpps->fErase = TRUE;
855
856 dprintfOrigin(pHps->hps);
857
858 lpps->hdc = (HDC)pHps->hps;
859
860 if(lComplexity != RGN_NULL) {
861 long height = wnd->getClientHeight();
862 lpps->rcPaint.top = height - rectl.yTop;
863 lpps->rcPaint.left = rectl.xLeft;
864 lpps->rcPaint.bottom = height - rectl.yBottom;
865 lpps->rcPaint.right = rectl.xRight;
866 }
867 else {
868 lpps->rcPaint.bottom = lpps->rcPaint.top = 0;
869 lpps->rcPaint.right = lpps->rcPaint.left = 0;
870 }
871
872 SetLastError(0);
873 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));
874 return (HDC)pHps->hps;
875}
876//******************************************************************************
877//******************************************************************************
878BOOL WIN32API EndPaint (HWND hWnd, const PAINTSTRUCT_W *pPaint)
879{
880 HWND hwnd = hWnd ? hWnd : HWND_DESKTOP;
881 HRGN hrgnOld;
882 pDCData pHps;
883
884 dprintf (("USER32: EndPaint(%x)", hwnd));
885
886 if (!pPaint || !pPaint->hdc )
887 return TRUE;
888
889 Win32BaseWindow *wnd = Win32BaseWindow::GetWindowFromHandle(hwnd);
890
891 if (!wnd) goto exit;
892
893 pHps = (pDCData)GpiQueryDCData((HPS)pPaint->hdc);
894 if (pHps && (pHps->hdcType == TYPE_3))
895 {
896 dprintfOrigin(pHps->hps);
897
898 GpiSetClipRegion(pHps->hps, wnd->GetClipRegion(), &hrgnOld);
899 wnd->SetClipRegion(0);
900 if(hrgnOld) {
901 GpiDestroyRegion(pHps->hps, hrgnOld);
902 }
903 pHps->hdcType = TYPE_1; //otherwise Open32's ReleaseDC fails
904 ReleaseDC(hwnd, pPaint->hdc);
905 }
906 else {
907 dprintf(("EndPaint: wrong hdc %x!!", pPaint->hdc));
908 }
909 wnd->setEraseBkgnd(TRUE);
910 ShowCaret(hwnd);
911 WinShowTrackRect(wnd->getOS2WindowHandle(), TRUE);
912
913exit:
914 SetLastError(0);
915 return TRUE;
916}
917//******************************************************************************
918//******************************************************************************
919int WIN32API ReleaseDC (HWND hwnd, HDC hdc)
920{
921 BOOL isOwnDC = FALSE;
922 int rc;
923
924 if (hwnd)
925 {
926 Win32BaseWindow *wnd = Win32BaseWindow::GetWindowFromHandle (hwnd);
927 if(wnd == NULL) {
928 dprintf(("ERROR: ReleaseDC %x %x failed", hwnd, hdc));
929 return 0;
930 }
931 isOwnDC = wnd->isOwnDC() && (wnd->getOwnDC() == hdc);
932 if(!isOwnDC)
933 {
934 pDCData pHps = (pDCData)GpiQueryDCData((HPS)hdc);
935 if(pHps && pHps->psType == MICRO_CACHED) {
936 removeClientArea(wnd, pHps);
937 if(pHps->hrgnVis) {
938 GreDestroyRegion(pHps->hps, pHps->hrgnVis);
939 pHps->hrgnVis = 0;
940 }
941 }
942 else {
943 dprintf(("ERROR: ReleaseDC: pHps == NULL!!"));
944 DebugInt3();
945 }
946 }
947 else {
948 dprintf2(("ReleaseDC: CS_OWNDC, not released"));
949 }
950 }
951
952 if(isOwnDC) {
953 rc = TRUE;
954 }
955 else {
956 rc = O32_ReleaseDC (0, hdc);
957 }
958
959 dprintf(("ReleaseDC %x %x", hwnd, hdc));
960 return (rc);
961}
962//******************************************************************************
963// This implementation of GetDCEx supports
964// DCX_WINDOW
965// DCX_CACHE
966// DCX_EXCLUDERGN (complex regions allowed)
967// DCX_INTERSECTRGN (complex regions allowed)
968// DCX_USESTYLE
969// DCX_CLIPSIBLINGS
970// DCX_CLIPCHILDREN
971// DCX_PARENTCLIP
972//
973//TODO: WM_SETREDRAW affects drawingAllowed flag!!
974//******************************************************************************
975HDC WIN32API GetDCEx (HWND hwnd, HRGN hrgn, ULONG flags)
976{
977 Win32BaseWindow *wnd = NULL;
978 HWND hWindow;
979 BOOL success;
980 pDCData pHps = NULL;
981 HPS hps = NULLHANDLE;
982 BOOL drawingAllowed = TRUE;
983 BOOL isWindowOwnDC;
984 BOOL creatingOwnDC = FALSE;
985 PS_Type psType;
986
987 if(hwnd == 0) {
988 dprintf(("error: GetDCEx window %x not found", hwnd));
989 SetLastError(ERROR_INVALID_WINDOW_HANDLE_W);
990 return 0;
991 }
992
993 if (hwnd)
994 {
995 wnd = Win32BaseWindow::GetWindowFromHandle(hwnd);
996 if(wnd == NULL) {
997 dprintf (("ERROR: User32: GetDCEx bad window handle %X!!!!!", hwnd));
998 SetLastError(ERROR_INVALID_WINDOW_HANDLE_W);
999 return 0;
1000 }
1001 hWindow = wnd->getOS2WindowHandle();
1002 }
1003
1004 isWindowOwnDC = (((hWindow == HWND_DESKTOP) ? FALSE : (wnd->isOwnDC()))
1005 && !(flags & (DCX_CACHE_W|DCX_WINDOW_W)));
1006
1007 if(isWindowOwnDC) //own dc always for client area
1008 {
1009 hps = wnd->getOwnDC();
1010 if (hps)
1011 {
1012 pDCData pHps = (pDCData)GpiQueryDCData (hps);
1013 if (!pHps)
1014 goto error;
1015
1016 selectClientArea(wnd, pHps);
1017
1018 //TODO: Is this always necessary??
1019 setPageXForm (wnd, pHps);
1020 pHps->hdcType = TYPE_1;
1021
1022 //TODO: intersect/exclude clip region?
1023 dprintf (("User32: GetDCEx hwnd %x (%x %x) -> wnd %x hdc %x", hwnd, hrgn, flags, wnd, hps));
1024 return (HDC)hps;
1025 }
1026 else
1027 creatingOwnDC = TRUE;
1028 }
1029
1030 if(isWindowOwnDC)
1031 {
1032 SIZEL sizel = {0,0};
1033 hps = GpiCreatePS (WinQueryAnchorBlock (hWindow),
1034 WinOpenWindowDC (hWindow),
1035 &sizel, PU_PELS | GPIT_MICRO | GPIA_ASSOC );
1036 psType = MICRO;
1037 // default cp is OS/2 one: set to windows default (ODIN.INI)
1038 GpiSetCp(hps, GetDisplayCodepage());
1039 }
1040 else
1041 {
1042 if (hWindow == HWND_DESKTOP) {
1043 hps = WinGetScreenPS (hWindow);
1044 }
1045 else {
1046 int clipstyle = 0;
1047 int clipwnd = HWND_TOP;
1048 if(flags & (DCX_USESTYLE_W)) {
1049 int style = wnd->getStyle();
1050 if(style & WS_CLIPCHILDREN_W) {
1051 clipstyle |= PSF_CLIPCHILDREN;
1052 }
1053 if(style & WS_CLIPSIBLINGS_W) {
1054 clipstyle |= PSF_CLIPSIBLINGS;
1055 }
1056 if(wnd->fHasParentDC()) {
1057 clipstyle |= PSF_PARENTCLIP;
1058 }
1059 }
1060 if(flags & DCX_CLIPSIBLINGS_W) {
1061 clipstyle |= PSF_CLIPSIBLINGS;
1062 }
1063 if(flags & DCX_CLIPCHILDREN_W) {
1064 clipstyle |= PSF_CLIPCHILDREN;
1065 }
1066 if(flags & DCX_PARENTCLIP_W) {
1067 clipstyle |= PSF_PARENTCLIP;
1068 }
1069 if(clipstyle) {
1070 dprintf2(("WinGetClipPS style %x", clipstyle));
1071 hps = WinGetClipPS(hWindow, clipwnd, clipstyle);
1072 }
1073 else hps = WinGetPS (hWindow);
1074
1075 // default cp is OS/2 one: set to windows default (ODIN.INI)
1076 GpiSetCp(hps, GetDisplayCodepage());
1077 }
1078 psType = MICRO_CACHED;
1079 }
1080
1081 if (!hps)
1082 goto error;
1083
1084 HPSToHDC (hWindow, hps, NULL, NULL);
1085 pHps = (pDCData)GpiQueryDCData (hps);
1086
1087 if(!(flags & DCX_WINDOW_W))
1088 {
1089 selectClientArea(wnd, pHps);
1090 }
1091 else removeClientArea(wnd, pHps);
1092
1093 setMapMode(wnd, pHps, MM_TEXT_W);
1094
1095 if ((flags & DCX_EXCLUDERGN_W) || (flags & DCX_INTERSECTRGN_W))
1096 {
1097 ULONG BytesNeeded;
1098 PRGNDATA RgnData;
1099 PRECT pr;
1100 int i;
1101 RECTL rectl;
1102
1103 if (!hrgn)
1104 goto error;
1105
1106 success = TRUE;
1107 if (flags & DCX_EXCLUDERGN_W)
1108 {
1109#if 0 //CB: todo
1110 long height;
1111
1112 BytesNeeded = GetRegionData (hrgn, 0, NULL);
1113 RgnData = (PRGNDATA_W)_alloca (BytesNeeded);
1114 if (RgnData == NULL)
1115 goto error;
1116 GetRegionData (hrgn, BytesNeeded, RgnData);
1117
1118 i = RgnData->rdh.nCount;
1119 pr = (PRECT)(RgnData->Buffer);
1120
1121 if (flags & DCX_WINDOW_W)
1122 height = wnd->getWindowHeight();
1123 else height = wnd->getClientHeight();
1124
1125 for (; (i > 0) && success; i--, pr++) {
1126 LONG y = pr->yBottom;
1127
1128 pr->yBottom = height - pr->yTop;
1129 pr->yTop = height - y;
1130 success &= GpiExcludeClipRectangle (pHps->hps, pr);
1131 }
1132#endif
1133 }
1134 else //DCX_INTERSECTRGN_W
1135 {
1136 //SvL: I'm getting paint problems when clipping a dc created in GetDCEx
1137 // with a region that covers the entire window (RealPlayer 7 Update 1)
1138 // Using SelectClipRgn here doesn't make any difference.
1139 if(ExtSelectClipRgn(pHps->hps, hrgn, RGN_AND_W) == ERROR_W) {
1140 dprintf(("ExtSelectClipRgn failed!!"));
1141 }
1142 }
1143 if (!success)
1144 goto error;
1145 }
1146
1147 if (creatingOwnDC)
1148 wnd->setOwnDC ((HDC)hps);
1149
1150 pHps->psType = psType;
1151 pHps->hdcType = TYPE_1;
1152 //TODO: WM_SETREDRAW affects drawingAllowed flag!!
1153 GpiSetDrawControl (hps, DCTL_DISPLAY, drawingAllowed ? DCTL_ON : DCTL_OFF);
1154
1155 dprintf (("User32: GetDCEx hwnd %x (%x %x) -> hdc %x", hwnd, hrgn, flags, pHps->hps));
1156 return (HDC)pHps->hps;
1157
1158error:
1159 /* Something went wrong; clean up
1160 */
1161 dprintf(("ERROR: GetDCEx hwnd %x (%x %x) FAILED!", hwnd, hrgn, flags));
1162 DebugInt3();
1163 if (pHps)
1164 {
1165 if (pHps->hps)
1166 {
1167 if(pHps->psType == MICRO_CACHED)
1168 WinReleasePS(pHps->hps);
1169 else
1170 GpiDestroyPS(pHps->hps);
1171 }
1172
1173 if (pHps->hdc) DevCloseDC(pHps->hdc);
1174 if (pHps->hrgnHDC) GpiDestroyRegion(pHps->hps, pHps->hrgnHDC);
1175
1176 O32_DeleteObject (pHps->nullBitmapHandle);
1177 }
1178 SetLastError(ERROR_INVALID_PARAMETER_W);
1179 return NULL;
1180}
1181//******************************************************************************
1182//******************************************************************************
1183HDC WIN32API GetDC (HWND hwnd)
1184{
1185 if(!hwnd)
1186 return GetDCEx( GetDesktopWindow(), 0, DCX_CACHE_W | DCX_WINDOW_W );
1187 return GetDCEx (hwnd, NULL, 0);
1188}
1189//******************************************************************************
1190//******************************************************************************
1191HDC WIN32API GetWindowDC (HWND hwnd)
1192{
1193 if (!hwnd) hwnd = GetDesktopWindow();
1194 return GetDCEx (hwnd, NULL, DCX_WINDOW_W);
1195}
1196//******************************************************************************
1197//Helper for RedrawWindow (RDW_ALLCHILDREN_W)
1198//******************************************************************************
1199LRESULT WIN32API RedrawChildEnumProc(HWND hwnd, LPARAM lParam)
1200{
1201 RedrawWindow(hwnd, NULL, 0, lParam);
1202 return TRUE;
1203}
1204//******************************************************************************
1205// This implementation of RedrawWindow supports
1206// RDW_ERASE
1207// RDW_NOERASE
1208// RDW_INTERNALPAINT
1209// RDW_NOINTERNALPAINT
1210// RDW_INVALIDATE
1211// RDW_VALIDATE
1212// RDW_ERASENOW
1213// RDW_UPDATENOW
1214// RDW_FRAME
1215//
1216//TODO: Works ok for RDW_FRAME??
1217//******************************************************************************
1218BOOL WIN32API RedrawWindow(HWND hwnd, const RECT* pRect, HRGN hrgn, DWORD redraw)
1219{
1220 Win32BaseWindow *wnd;
1221
1222 if(pRect) {
1223 dprintf(("RedrawWindow %x (%d,%d)(%d,%d) %x %x", hwnd, pRect->left, pRect->top, pRect->right, pRect->bottom, hrgn, redraw));
1224 }
1225 else dprintf(("RedrawWindow %x %x %x %x", hwnd, pRect, hrgn, redraw));
1226
1227 if (hwnd == NULLHANDLE)
1228 {
1229#if 1
1230 // Don't do this for now (causes lots of desktop repaints in WordPad)
1231 SetLastError(ERROR_INVALID_PARAMETER_W);
1232 return FALSE;
1233#else
1234 hwnd = HWND_DESKTOP;
1235 wnd = Win32BaseWindow::GetWindowFromOS2Handle(OSLIB_HWND_DESKTOP);
1236
1237 if (!wnd)
1238 {
1239 dprintf(("USER32:dc: RedrawWindow can't find desktop window %08xh\n",
1240 hwnd));
1241 SetLastError(ERROR_INVALID_PARAMETER_W);
1242 return FALSE;
1243 }
1244#endif
1245 }
1246 else
1247 {
1248 wnd = Win32BaseWindow::GetWindowFromHandle (hwnd);
1249
1250 if (!wnd)
1251 {
1252 dprintf(("USER32:dc: RedrawWindow can't find window %08xh\n",
1253 hwnd));
1254 SetLastError(ERROR_INVALID_PARAMETER_W);
1255 return FALSE;
1256 }
1257 hwnd = wnd->getOS2WindowHandle();
1258 }
1259
1260 BOOL IncludeChildren = (redraw & RDW_ALLCHILDREN_W) ? TRUE : FALSE;
1261 BOOL success = TRUE;
1262 HPS hpsTemp = NULLHANDLE;
1263 HRGN hrgnTemp = NULLHANDLE;
1264 RECTL rectl;
1265
1266 if (hrgn)
1267 {
1268 ULONG BytesNeeded;
1269 PRGNDATA RgnData;
1270 PRECTL pr;
1271 int i;
1272 LONG height;
1273
1274 if(wnd) {
1275 height = (redraw & RDW_FRAME_W) ? wnd->getWindowHeight() : wnd->getClientHeight();
1276 }
1277 else height = OSLibQueryScreenHeight();
1278
1279 if (!hrgn)
1280 goto error;
1281
1282 BytesNeeded = GetRegionData (hrgn, 0, NULL);
1283 RgnData = (PRGNDATA)_alloca (BytesNeeded);
1284 if (RgnData == NULL)
1285 goto error;
1286 GetRegionData (hrgn, BytesNeeded, RgnData);
1287
1288 pr = (PRECTL)(RgnData->Buffer);
1289 for (i = RgnData->rdh.nCount; i > 0; i--, pr++) {
1290 LONG temp = pr->yTop;
1291 pr->yTop = height - pr->yBottom;
1292 pr->yBottom = height - temp;
1293 }
1294
1295 hpsTemp = WinGetScreenPS (HWND_DESKTOP);
1296 hrgnTemp = GpiCreateRegion (hpsTemp, RgnData->rdh.nCount, (PRECTL)(RgnData->Buffer));
1297 if (!hrgnTemp) goto error;
1298 }
1299 else if (pRect)
1300 {
1301 if(wnd) {
1302 if(redraw & RDW_FRAME_W) {
1303 mapWin32ToOS2Rect(wnd->getWindowHeight(), (PRECT)pRect, (PRECTLOS2)&rectl);
1304 }
1305 else mapWin32ToOS2RectClientToFrame(wnd, (PRECT)pRect, (PRECTLOS2)&rectl);
1306 }
1307 else mapWin32ToOS2Rect(OSLibQueryScreenHeight(), (PRECT)pRect, (PRECTLOS2)&rectl);
1308 }
1309
1310 if (redraw & RDW_INVALIDATE_W)
1311 {
1312 //TODO: SvL: pingpong.exe doesn't have RDW_NOERASE, but doesn't want WM_ERASEBKGND msgs
1313 if (redraw & RDW_ERASE_W) {
1314 wnd->setEraseBkgnd(TRUE);
1315 }
1316 else
1317 if (redraw & RDW_NOERASE_W)
1318 wnd->setEraseBkgnd(FALSE);
1319
1320 if (!pRect && !hrgn)
1321 success = WinInvalidateRect (hwnd, NULL, IncludeChildren);
1322 else
1323 if (hrgn) {
1324 success = WinInvalidateRegion (hwnd, hrgnTemp, IncludeChildren);
1325 if(IncludeChildren && WinQueryUpdateRect(hwnd, NULL) == FALSE) {
1326 dprintf(("WARNING: WinQueryUpdateRect %x region %x returned false even though we just invalidated part of a window!!!", hwnd, hrgnTemp));
1327 success = success = WinInvalidateRegion (hwnd, hrgnTemp, FALSE);
1328 }
1329 }
1330 else {
1331 dprintf2(("WinInvalidateRect (%d,%d)(%d,%d)", rectl.xLeft, rectl.yBottom, rectl.xRight, rectl.yTop));
1332 success = WinInvalidateRect (hwnd, &rectl, IncludeChildren);
1333//SvL: If all children are included, then WinInvalidateRect is called
1334// with fIncludeChildren=1 -> rect of hwnd isn't invalidated if child(ren)
1335// overlap(s) the specified rectangle completely (EVEN if window doesn't
1336// have WS_CLIPCHILREN!)
1337// -> example: XWing vs Tie Fighter install window
1338// WinInvalidateRect with fIncludeChildren=0 invalidates both the parent
1339// and child windows
1340//SvL: Can't always set fIncludeChildren to FALSE or else some controls in
1341// the RealPlayer setup application aren't redrawn when invalidating
1342// their parent
1343// SO: Check if IncludeChildren is set and part of the window is invalid
1344// If not -> call WinInvalidateRect with IncludeChildren=0 to force
1345// the window rectangle to be invalidated
1346//
1347 if(IncludeChildren && WinQueryUpdateRect(hwnd, NULL) == FALSE) {
1348 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));
1349 success = WinInvalidateRect (hwnd, &rectl, FALSE);
1350 }
1351 }
1352
1353 if (!success) goto error;
1354 }
1355 else if (redraw & RDW_VALIDATE_W)
1356 {
1357 if (redraw & RDW_NOERASE_W)
1358 wnd->setEraseBkgnd(FALSE);
1359
1360 if (WinQueryUpdateRect (hwnd, NULL))
1361 {
1362 if(!pRect && !hrgn) {
1363 success = WinValidateRect (hwnd, NULL, IncludeChildren);
1364 }
1365 else
1366 if(hrgn) {
1367 success = WinValidateRegion (hwnd, hrgnTemp, IncludeChildren);
1368 }
1369 else {
1370 success = WinValidateRect (hwnd, &rectl, IncludeChildren);
1371 }
1372 if(!success) goto error;
1373 }
1374 }
1375
1376 if(WinQueryUpdateRect(hwnd, NULL))
1377 {
1378 //TODO: Does this work if RDW_ALLCHILDREN is set??
1379 if(redraw & RDW_UPDATENOW_W) {
1380 wnd->MsgNCPaint();
1381 wnd->MsgPaint(0, FALSE);
1382 }
1383 else
1384// if((redraw & RDW_ERASE_W) && (redraw & RDW_ERASENOW_W))
1385 if(redraw & RDW_ERASENOW_W && wnd->needsEraseBkgnd())
1386 wnd->setEraseBkgnd(sendEraseBkgnd(wnd) == 0);
1387// if(redraw & RDW_ALLCHILDREN_W) {
1388// EnumChildWindows(wnd->getWindowHandle(), RedrawChildEnumProc, redraw);
1389// }
1390 }
1391 else if((redraw & RDW_INTERNALPAINT_W) && !(redraw & RDW_INVALIDATE_W))
1392 {
1393 if(redraw & RDW_UPDATENOW_W) {
1394 wnd->MsgNCPaint();
1395 wnd->MsgPaint (0, FALSE);
1396 }
1397 else PostMessageA(hwnd, WINWM_PAINT, 0, 0);
1398 }
1399
1400error:
1401 /* clean up */
1402 if (hrgnTemp)
1403 GpiDestroyRegion (hpsTemp, hrgnTemp);
1404
1405 if (hpsTemp)
1406 WinReleasePS (hpsTemp);
1407
1408 if (!success) {
1409 dprintf(("RedrawWindow failure!"));
1410 SetLastError(ERROR_INVALID_PARAMETER_W);
1411 }
1412 return (success);
1413}
1414//******************************************************************************
1415//******************************************************************************
1416BOOL WIN32API UpdateWindow (HWND hwnd)
1417{
1418 Win32BaseWindow *wnd = Win32BaseWindow::GetWindowFromHandle (hwnd);
1419
1420 if(!wnd) {
1421 SetLastError(ERROR_INVALID_WINDOW_HANDLE_W);
1422 return FALSE;
1423 }
1424
1425 dprintf (("User32: UpdateWindow hwnd %x", hwnd));
1426//SvL: This doesn't work right (Wine uses RDW_NOCHILDREN_W -> doesn't work here)
1427// Breaks vpbuddy
1428// return RedrawWindow(hwnd, NULL, 0, RDW_UPDATENOW_W | RDW_ALLCHILDREN_W);
1429// -> RDW_UPDATENOW causes WM_PAINT messages to be directy posted to window
1430// handler; possibly bypassing queued WM_PAINT messages for parent window(s)
1431// -> out of sync painting (i.e. parent paints over child)
1432 WinUpdateWindow(wnd->getOS2WindowHandle());
1433 return TRUE;
1434}
1435//******************************************************************************
1436//******************************************************************************
1437BOOL WIN32API ValidateRect( HWND hwnd, const RECT * lprc)
1438{
1439 if(lprc) {
1440 dprintf(("USER32: ValidateRect %x (%d,%d)(%d,%d)", hwnd, lprc->left, lprc->top, lprc->right, lprc->bottom));
1441 }
1442 else dprintf(("USER32: ValidateRect %x", hwnd));
1443
1444 return RedrawWindow( hwnd, lprc, 0, RDW_VALIDATE_W | RDW_NOCHILDREN_W | (hwnd==0 ? RDW_UPDATENOW_W : 0));
1445}
1446//******************************************************************************
1447//******************************************************************************
1448BOOL WIN32API ValidateRgn( HWND hwnd, HRGN hrgn)
1449{
1450 dprintf(("USER32: ValidateRgn %x %x", hwnd, hrgn));
1451 return RedrawWindow( hwnd, NULL, hrgn, RDW_VALIDATE_W | RDW_NOCHILDREN_W | (hwnd==0 ? RDW_UPDATENOW_W : 0));
1452}
1453//******************************************************************************
1454//******************************************************************************
1455BOOL WIN32API InvalidateRect (HWND hwnd, const RECT *pRect, BOOL erase)
1456{
1457 BOOL result;
1458
1459 if(pRect) {
1460 dprintf(("InvalidateRect %x (%d,%d)(%d,%d) erase=%d", hwnd, pRect->left, pRect->top, pRect->right, pRect->bottom, erase));
1461 }
1462 else dprintf(("InvalidateRect %x NULL erase=%d", hwnd, erase));
1463#if 1
1464 result = RedrawWindow (hwnd, pRect, NULLHANDLE,
1465 RDW_ALLCHILDREN_W | RDW_INVALIDATE_W |
1466 (erase ? RDW_ERASE_W : 0) |
1467 (hwnd == NULLHANDLE ? RDW_UPDATENOW_W : 0));
1468#else
1469 result = RedrawWindow (hwnd, pRect, NULLHANDLE,
1470 RDW_ALLCHILDREN_W | RDW_INVALIDATE_W |
1471 (erase ? RDW_ERASE_W : RDW_NOERASE_W) |
1472 (hwnd == NULLHANDLE ? RDW_UPDATENOW_W : 0));
1473#endif
1474 return (result);
1475}
1476//******************************************************************************
1477//******************************************************************************
1478BOOL WIN32API InvalidateRgn (HWND hwnd, HRGN hrgn, BOOL erase)
1479{
1480 BOOL result;
1481
1482 dprintf(("InvalidateRgn %x %x erase=%d", hwnd, hrgn, erase));
1483#if 1
1484 result = RedrawWindow (hwnd, NULL, hrgn,
1485 RDW_ALLCHILDREN_W | RDW_INVALIDATE_W |
1486 (erase ? RDW_ERASE_W : 0) |
1487 (hwnd == NULLHANDLE ? RDW_UPDATENOW_W : 0));
1488#else
1489 result = RedrawWindow (hwnd, NULL, hrgn,
1490 RDW_ALLCHILDREN_W | RDW_INVALIDATE_W |
1491 (erase ? RDW_ERASE_W : RDW_NOERASE_W) |
1492 (hwnd == NULLHANDLE ? RDW_UPDATENOW_W : 0));
1493#endif
1494 return (result);
1495}
1496//******************************************************************************
1497//TODO: Change for client rectangle!!!!!
1498//******************************************************************************
1499BOOL setPMRgnIntoWinRgn (HRGN hrgnPM, HRGN hrgnWin, LONG height)
1500{
1501 BOOL rc;
1502 HPS hps = WinGetScreenPS (HWND_DESKTOP);
1503 RGNRECT rgnRect;
1504 rgnRect.ircStart = 1;
1505 rgnRect.crc = 0;
1506 rgnRect.ulDirection = RECTDIR_LFRT_TOPBOT; // doesn't make a difference because we're getting them all
1507
1508 rc = GpiQueryRegionRects (hps, hrgnPM, NULL, &rgnRect, NULL);
1509
1510 if (rc && (rgnRect.crcReturned > 0))
1511 {
1512 PRECTL Rcls = new RECTL[rgnRect.crcReturned];
1513 PRECTL pRcl = Rcls;
1514
1515 if (Rcls != NULL)
1516 {
1517 rgnRect.crc = rgnRect.crcReturned;
1518 rc = GpiQueryRegionRects (hps, hrgnPM, NULL, &rgnRect, Rcls);
1519
1520 rc = SetRectRgn(hrgnWin, pRcl->xLeft,
1521 pRcl->xRight,
1522 height - pRcl->yTop,
1523 height - pRcl->yBottom);
1524
1525 if (rgnRect.crcReturned > 1)
1526 {
1527 int i;
1528 HRGN temp;
1529 temp = CreateRectRgn (0, 0, 1, 1);
1530
1531 for (i = 1, pRcl++; rc && (i < rgnRect.crcReturned); i++, pRcl++)
1532 {
1533 rc = SetRectRgn (temp, pRcl->xLeft,
1534 pRcl->xRight,
1535 height - pRcl->yTop,
1536 height - pRcl->yBottom);
1537 rc &= CombineRgn (hrgnWin, hrgnWin, temp, RGN_OR_W);
1538 }
1539 DeleteObject (temp);
1540 }
1541 delete[] Rcls;
1542 }
1543 else
1544 {
1545 rc = FALSE;
1546 }
1547 }
1548 else
1549 {
1550 rc = SetRectRgn (hrgnWin, 0, 0, 0, 0);
1551 }
1552
1553 WinReleasePS (hps);
1554 return (rc);
1555}
1556//******************************************************************************
1557//TODO: Check if this one works correctly...
1558//Have to check if dc is for frame or client!!
1559//******************************************************************************
1560BOOL WIN32API ScrollDC(HDC hDC, int dx, int dy, const RECT *pScroll,
1561 const RECT *pClip, HRGN hrgnUpdate, LPRECT pRectUpdate)
1562{
1563 BOOL rc = TRUE;
1564
1565 dprintf (("USER32: ScrollDC %x (%d,%d), %x %x %x %x", hDC, dx, dy, pScroll, pClip, hrgnUpdate, pRectUpdate));
1566
1567 if (!hDC)
1568 {
1569 return (FALSE);
1570 }
1571
1572 pDCData pHps = (pDCData)GpiQueryDCData ((HPS)hDC);
1573 HWND hwnd = pHps->hwnd;
1574 Win32BaseWindow *wnd = Win32BaseWindow::GetWindowFromHandle (hwnd);
1575
1576 if ((hwnd == NULLHANDLE) || !wnd)
1577 {
1578 return (FALSE);
1579 }
1580
1581 POINTL ptl[2] = { 0, 0, dx, dy };
1582
1583 GpiConvert (pHps->hps, CVTC_WORLD, CVTC_DEVICE, 2, ptl);
1584 dx = (int)(ptl[1].x - ptl[0].x);
1585 dy = (int)(ptl[1].y - ptl[0].y);
1586
1587 RECT scrollRect;
1588 RECT clipRect;
1589
1590 if (pClip)
1591 {
1592 memcpy(&clipRect, pClip, sizeof(clipRect));
1593
1594 if ((pHps->graphicsMode == GM_COMPATIBLE_W) &&
1595 (clipRect.left != clipRect.right) &&
1596 (clipRect.bottom != clipRect.top))
1597 {
1598 if (abs((int)pHps->viewportXExt) <= abs((int)pHps->windowExt.cx))
1599 clipRect.right -= abs(pHps->worldXDeltaFor1Pixel);
1600 else
1601 clipRect.left += abs(pHps->worldXDeltaFor1Pixel);
1602
1603 if (abs((int)pHps->viewportYExt) <= abs((int)pHps->windowExt.cy))
1604 clipRect.bottom -= abs(pHps->worldYDeltaFor1Pixel);
1605 else
1606 clipRect.top += abs(pHps->worldYDeltaFor1Pixel);
1607 }
1608 GpiConvert(pHps->hps, CVTC_WORLD, CVTC_DEVICE, 2, (PPOINTL)&clipRect);
1609 if (clipRect.right < clipRect.left) {
1610 ULONG temp = clipRect.left;
1611 clipRect.left = clipRect.right;
1612 clipRect.right = temp;
1613 }
1614 if (clipRect.bottom < clipRect.top) {
1615 ULONG temp = clipRect.top;
1616 clipRect.top = clipRect.bottom;
1617 clipRect.bottom = temp;
1618 }
1619 }
1620
1621 if (pScroll)
1622 {
1623 memcpy(&scrollRect, pScroll, sizeof(scrollRect));
1624
1625 if ((pHps->graphicsMode == GM_COMPATIBLE_W) &&
1626 (scrollRect.left != scrollRect.right) &&
1627 (scrollRect.top != scrollRect.bottom))
1628 {
1629 if (abs((int)pHps->viewportXExt) <= abs((int)pHps->windowExt.cx))
1630 scrollRect.right -= abs(pHps->worldXDeltaFor1Pixel);
1631 else
1632 scrollRect.left += abs(pHps->worldXDeltaFor1Pixel);
1633
1634 if (abs((int)pHps->viewportYExt) <= abs((int)pHps->windowExt.cy))
1635 scrollRect.bottom -= abs(pHps->worldYDeltaFor1Pixel);
1636 else
1637 scrollRect.top += abs(pHps->worldYDeltaFor1Pixel);
1638 }
1639 GpiConvert (pHps->hps, CVTC_WORLD, CVTC_DEVICE, 2, (PPOINTL)&scrollRect);
1640 if (scrollRect.right < scrollRect.left) {
1641 ULONG temp = scrollRect.left;
1642 scrollRect.left = scrollRect.right;
1643 scrollRect.right = temp;
1644 }
1645 if (scrollRect.bottom < scrollRect.top) {
1646 ULONG temp = scrollRect.top;
1647 scrollRect.top = scrollRect.bottom;
1648 scrollRect.bottom = temp;
1649 }
1650 }
1651 RECTL rectlUpdate;
1652 HRGN hrgn;
1653 RECTL clientRect;
1654 RECTL clipOS2;
1655 RECTL scrollOS2;
1656 PRECTL pScrollOS2 = NULL;
1657 PRECTL pClipOS2 = NULL;
1658
1659 mapWin32ToOS2Rect(wnd->getWindowHeight(), wnd->getClientRectPtr(), (PRECTLOS2)&clientRect);
1660
1661 if(pScroll) {
1662 mapWin32ToOS2RectClientToFrame(wnd, &scrollRect, (PRECTLOS2)&scrollOS2);
1663 pScrollOS2 = &scrollOS2;
1664
1665 //Scroll rectangle relative to client area
1666 WinIntersectRect ((HAB) 0, pScrollOS2, pScrollOS2, &clientRect);
1667 }
1668 else {
1669 pScrollOS2 = &clientRect;
1670 }
1671
1672 if(pClip) {
1673 mapWin32ToOS2RectClientToFrame(wnd, &clipRect, (PRECTLOS2)&clipOS2);
1674 pClipOS2 = &clipOS2;
1675
1676 //Clip rectangle relative to client area
1677 WinIntersectRect((HAB) 0, pClipOS2, pClipOS2, &clientRect);
1678 }
1679 else {
1680 pClipOS2 = &clientRect;
1681 }
1682
1683 LONG lComplexity = WinScrollWindow(hwnd, dx, dy, pScrollOS2,
1684 pClipOS2, hrgn, &rectlUpdate, 0);
1685 if (lComplexity == RGN_ERROR)
1686 {
1687 return (FALSE);
1688 }
1689
1690 RECT winRectUpdate;
1691
1692 mapOS2ToWin32Rect(wnd->getWindowHeight(), (PRECTLOS2)&rectlUpdate, &winRectUpdate);
1693
1694 if (pRectUpdate)
1695 *pRectUpdate = winRectUpdate;
1696
1697 if (hrgnUpdate)
1698 rc = setPMRgnIntoWinRgn(hrgn, hrgnUpdate, wnd->getWindowHeight());
1699
1700 return (rc);
1701}
1702//******************************************************************************
1703//SvL: Using WinScrollWindow to scroll child windows is better (smoother).
1704//******************************************************************************
1705INT WIN32API ScrollWindowEx(HWND hwnd, int dx, int dy, const RECT *pScroll, const RECT *pClip,
1706 HRGN hrgnUpdate, PRECT pRectUpdate, UINT scrollFlag)
1707{
1708 Win32BaseWindow *window;
1709 APIRET rc;
1710 RECTL clientRect;
1711 RECTL scrollRect;
1712 RECTL clipRect;
1713 PRECTL pScrollOS2 = NULL;
1714 PRECTL pClipOS2 = NULL;
1715 ULONG scrollFlagsOS2 = 0;
1716 int orgdy = dy;
1717 int regionType = ERROR_W;
1718
1719 window = Win32BaseWindow::GetWindowFromHandle(hwnd);
1720 if(!window) {
1721 dprintf(("ScrollWindowEx, window %x not found", hwnd));
1722 return 0;
1723 }
1724
1725 dprintf(("ScrollWindowEx %x %d %d %x %x", hwnd, dx, dy, pScroll, pClip));
1726
1727 dy = revertDy (window, dy);
1728
1729 if (scrollFlag & SW_INVALIDATE_W) scrollFlagsOS2 |= SW_INVALIDATERGN;
1730 if (scrollFlag & SW_SCROLLCHILDREN_W) scrollFlagsOS2 |= SW_SCROLLCHILDREN;
1731
1732 mapWin32ToOS2Rect(window->getWindowHeight(), window->getClientRectPtr(), (PRECTLOS2)&clientRect);
1733
1734 if(pScroll) {
1735 mapWin32ToOS2RectClientToFrame(window,(RECT *)pScroll, (PRECTLOS2)&scrollRect);
1736 pScrollOS2 = &scrollRect;
1737
1738 //Scroll rectangle relative to client area
1739 WinIntersectRect ((HAB) 0, pScrollOS2, pScrollOS2, &clientRect);
1740 }
1741 else {
1742 pScrollOS2 = &clientRect;
1743 }
1744
1745 if(pClip) {
1746 mapWin32ToOS2RectClientToFrame(window,(RECT *)pClip, (PRECTLOS2)&clipRect);
1747 pClipOS2 = &clipRect;
1748
1749 //Clip rectangle relative to client area
1750 WinIntersectRect ((HAB) 0, pClipOS2, pClipOS2, &clientRect);
1751 }
1752 else {
1753 pClipOS2 = &clientRect;
1754 }
1755
1756 RECTL rectlUpdate;
1757 HRGN hrgn;
1758
1759 if (scrollFlag & SW_SMOOTHSCROLL_W)
1760 {
1761 INT time = (scrollFlag >> 16) & 0xFFFF;
1762
1763 //CB: todo, scroll in several steps
1764 // is time in ms? time <-> iteration count?
1765 }
1766
1767 LONG lComplexity = WinScrollWindow (window->getOS2WindowHandle(), dx, dy,
1768 pScrollOS2,
1769 pClipOS2,
1770 hrgn, &rectlUpdate, scrollFlagsOS2);
1771 if (lComplexity == RGN_ERROR)
1772 {
1773 return ERROR_W;
1774 }
1775
1776 //Notify children that they have moved (according to the SDK docs,
1777 //they only receive a WM_MOVE message)
1778 //(PM only does this for windows with CS_MOVENOTIFY class)
1779 //TODO: Verify this (no WM_WINDOWPOSCHANGING/ED?)
1780 if (scrollFlag & SW_SCROLLCHILDREN_W)
1781 {
1782 HWND hwndChild;
1783 RECT rectChild, rc;
1784
1785 dprintf(("ScrollWindowEx: Scroll child windows"));
1786 GetClientRect(hwnd, &rc);
1787 if (pScroll) IntersectRect(&rc, &rc, pScroll);
1788
1789 hwndChild = GetWindow(hwnd, GW_CHILD_W);
1790
1791 while(hwndChild)
1792 {
1793 Win32BaseWindow *child;
1794
1795 child = Win32BaseWindow::GetWindowFromHandle(hwndChild);
1796 if(!child) {
1797 dprintf(("ERROR: ScrollWindowEx, child %x not found", hwnd));
1798 return 0;
1799 }
1800 rectChild = *child->getWindowRect();
1801 if(!pRectUpdate || IntersectRect(&rectChild, &rectChild, &rc))
1802 {
1803 dprintf(("ScrollWindowEx: Scroll child window %x", hwndChild));
1804 child->ScrollWindow(dx, orgdy);
1805 }
1806 hwndChild = GetWindow(hwndChild, GW_HWNDNEXT_W);
1807 }
1808 dprintf(("***ScrollWindowEx: Scroll child windows DONE"));
1809 }
1810
1811 RECT winRectUpdate;
1812
1813 mapOS2ToWin32Rect(window->getWindowHeight(), (PRECTLOS2)&rectlUpdate, &winRectUpdate);
1814
1815 if (pRectUpdate)
1816 *pRectUpdate = winRectUpdate;
1817
1818 if (hrgnUpdate)
1819 rc = setPMRgnIntoWinRgn (hrgn, hrgnUpdate, window->getWindowHeight());
1820
1821#if 0
1822 //SvL: WinScrollWindow already invalidates the area; no need to do it again
1823 //(call to invalidateRect was wrong; has to include erase flag)
1824 if ((scrollFlag & SW_INVALIDATE_W) &&
1825 ((lComplexity == RGN_RECT) || (lComplexity == RGN_COMPLEX)))
1826 {
1827 rc = RedrawWindow (hwnd, &winRectUpdate, NULLHANDLE,
1828 RDW_ALLCHILDREN_W | RDW_INVALIDATE_W |
1829 ((scrollFlag & SW_ERASE_W) ? RDW_ERASE_W : 0) |
1830 RDW_UPDATENOW_W);
1831
1832// rc = InvalidateRect (hwnd, &winRectUpdate, (scrollFlag & SW_ERASE_W) ? 1 : 0);
1833 if (rc == FALSE)
1834 {
1835 return (0);
1836 }
1837 }
1838#endif
1839
1840 switch (lComplexity)
1841 {
1842 case RGN_NULL:
1843 regionType = NULLREGION_W;
1844 break;
1845 case RGN_RECT:
1846 regionType = SIMPLEREGION_W;
1847 break;
1848 case RGN_COMPLEX:
1849 regionType = COMPLEXREGION_W;
1850 break;
1851 default:
1852 regionType = ERROR_W;
1853 break;
1854 }
1855
1856 return (regionType);
1857}
1858//******************************************************************************
1859//******************************************************************************
1860BOOL WIN32API ScrollWindow(HWND hwnd, int dx, int dy, const RECT *pScroll, const RECT *pClip)
1861{
1862 Win32BaseWindow *window;
1863
1864 window = Win32BaseWindow::GetWindowFromHandle(hwnd);
1865 if(!window) {
1866 dprintf(("ScrollWindow, window %x not found", hwnd));
1867 return 0;
1868 }
1869 dprintf(("ScrollWindow %x %d %d %x %x", hwnd, dx, dy, pScroll, pClip));
1870 return (ERROR_W != ScrollWindowEx(hwnd, dx, dy, pScroll, pClip, 0, NULL,
1871 (pScroll ? 0 : SW_SCROLLCHILDREN_W) |
1872 SW_INVALIDATE_W ));
1873}
1874//******************************************************************************
1875//******************************************************************************
1876HWND WIN32API WindowFromDC(HDC hdc)
1877{
1878 pDCData pHps = (pDCData)GpiQueryDCData( (HPS)hdc );
1879
1880 dprintf2(("USER32: WindowFromDC %x", hdc));
1881 if ( pHps )
1882 return OS2ToWin32Handle(pHps->hwnd);
1883 else
1884 return 0;
1885}
1886//******************************************************************************
1887//******************************************************************************
1888#ifdef DEBUG
1889void dprintfOrigin(HDC hdc)
1890{
1891 POINTL point;
1892
1893 pDCData pHps = (pDCData)GpiQueryDCData((HPS)hdc);
1894 if(!pHps)
1895 {
1896 return;
1897 }
1898
1899 GreGetDCOrigin(pHps->hps, &point);
1900 dprintf(("HDC %x origin (%d,%d) org (%d,%d)", hdc, point.x, point.y, pHps->ptlOrigin.x, pHps->ptlOrigin.y));
1901}
1902#endif
1903//******************************************************************************
1904//******************************************************************************
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