source: trunk/src/user32/dc.cpp@ 5295

Last change on this file since 5295 was 5246, checked in by sandervl, 25 years ago

minimize updates + update region fix in NotifyFrameChanged
File size: 61.7 KB
Line 
1/* $Id: dc.cpp,v 1.92 2001-02-22 18:18:59 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#if 0
518 GpiQueryViewingLimits(pHps->hps, &rectWindowOS2);
519 dprintf2(("view limits (%d,%d)(%d,%d)", rectWindowOS2.xLeft, rectWindowOS2.yBottom, rectWindowOS2.xRight, rectWindowOS2.yTop));
520 GpiQueryDefViewingLimits(pHps->hps, &rectWindowOS2);
521 dprintf2(("def view limits (%d,%d)(%d,%d)", rectWindowOS2.xLeft, rectWindowOS2.yBottom, rectWindowOS2.xRight, rectWindowOS2.yTop));
522 GpiQueryPageViewport(pHps->hps, &rectWindowOS2);
523 dprintf2(("page viewport (%d,%d)(%d,%d)", rectWindowOS2.xLeft, rectWindowOS2.yBottom, rectWindowOS2.xRight, rectWindowOS2.yTop));
524
525 GpiQueryBoundaryData(pHps->hps, &rectWindowOS2);
526 dprintf2(("boundary data (%d,%d)(%d,%d)", rectWindowOS2.xLeft, rectWindowOS2.yBottom, rectWindowOS2.xRight, rectWindowOS2.yTop));
527
528 GpiQueryGraphicsField(pHps->hps, &rectWindowOS2);
529 dprintf2(("graphics field (%d,%d)(%d,%d)", rectWindowOS2.xLeft, rectWindowOS2.yBottom, rectWindowOS2.xRight, rectWindowOS2.yTop));
530
531 SIZEL size;
532 GpiQueryPickApertureSize(pHps->hps, &size);
533 dprintf2(("page viewport (%d,%d)", size.cx, size.cy));
534
535 GpiQueryPS(pHps->hps, &size);
536 dprintf2(("page space (%d,%d)", size.cx, size.cy));
537#endif
538//testestest
539
540}
541//******************************************************************************
542//******************************************************************************
543void selectClientArea(Win32BaseWindow *wnd, HDC hdc)
544{
545 pDCData pHps = (pDCData)GpiQueryDCData (wnd->getOwnDC());
546
547 if (pHps != NULLHANDLE)
548 selectClientArea(wnd, pHps);
549}
550//******************************************************************************
551//******************************************************************************
552LONG clientHeight(Win32BaseWindow *wnd, HWND hwnd, pDCData pHps)
553{
554 if ((hwnd == 0) && (pHps != 0))
555 hwnd = pHps->hwnd;
556
557 if ((hwnd != 0) || (pHps == 0))
558 {
559 if(wnd) {
560 if(pHps && !pHps->isClientArea) {
561 return (wnd->getWindowHeight());
562 }
563 else return (wnd->getClientHeight());
564 }
565 else return OSLibQueryScreenHeight();
566 }
567 else if (pHps->bitmapHandle)
568 {
569 return pHps->bitmapHeight;
570 }
571 else if (pHps->isMetaPS)
572 {
573 return 0;
574 }
575 else if (pHps->isPrinter)
576 {
577 return pHps->printPageHeight;
578 }
579 else
580 {
581 return MEM_HPS_MAX;
582 }
583}
584//******************************************************************************
585//******************************************************************************
586BOOL WIN32API changePageXForm(pDCData pHps, PPOINTL pValue, int x, int y, PPOINTL pPrev)
587{
588 Win32BaseWindow *wnd;
589
590 wnd = Win32BaseWindow::GetWindowFromOS2Handle(pHps->hwnd);
591 return changePageXForm(wnd, pHps, pValue, x, y, pPrev);
592}
593//******************************************************************************
594//******************************************************************************
595BOOL WIN32API setPageXForm(pDCData pHps)
596{
597 Win32BaseWindow *wnd;
598
599 wnd = Win32BaseWindow::GetWindowFromOS2Handle(pHps->hwnd);
600 return setPageXForm(wnd, pHps);
601}
602//******************************************************************************
603//******************************************************************************
604VOID WIN32API removeClientArea(pDCData pHps)
605{
606 Win32BaseWindow *wnd;
607
608 wnd = Win32BaseWindow::GetWindowFromOS2Handle(pHps->hwnd);
609 if(wnd) {
610 removeClientArea(wnd, pHps);
611 }
612}
613//******************************************************************************
614//******************************************************************************
615VOID WIN32API selectClientArea(pDCData pHps)
616{
617 Win32BaseWindow *wnd;
618
619 wnd = Win32BaseWindow::GetWindowFromOS2Handle(pHps->hwnd);
620 if(wnd) {
621 selectClientArea(wnd, pHps);
622 }
623}
624//******************************************************************************
625//******************************************************************************
626LONG WIN32API clientHeight(HWND hwnd, pDCData pHps)
627{
628 Win32BaseWindow *wnd;
629
630 wnd = Win32BaseWindow::GetWindowFromOS2Handle(hwnd);
631 return clientHeight(wnd, hwnd, pHps);
632}
633//******************************************************************************
634//******************************************************************************
635int WIN32API setMapMode(pDCData pHps, int mode)
636{
637 Win32BaseWindow *wnd;
638
639 wnd = Win32BaseWindow::GetWindowFromOS2Handle(pHps->hwnd);
640 return setMapMode(wnd, pHps, mode);
641}
642//******************************************************************************
643//******************************************************************************
644BOOL isYup (pDCData pHps)
645{
646 if (((pHps->windowExt.cy < 0) && (pHps->viewportYExt > 0.0)) ||
647 ((pHps->windowExt.cy > 0) && (pHps->viewportYExt < 0.0)))
648 {
649 if ((pHps->graphicsMode == GM_COMPATIBLE_W) ||
650 ((pHps->graphicsMode == GM_ADVANCED_W) && (pHps->xform.eM22 >= 0.0)))
651 return TRUE;
652 }
653 else
654 {
655 if ((pHps->graphicsMode == GM_ADVANCED_W) && (pHps->xform.eM22 < 0.0))
656 return TRUE;
657 }
658 return FALSE;
659}
660//******************************************************************************
661//******************************************************************************
662INT revertDy (Win32BaseWindow *wnd, INT dy)
663{
664 //SvL: Hack for memory.exe (doesn't get repainted properly otherwise)
665// if (wnd->isOwnDC() && wnd->getOwnDC())
666 if (wnd->isOwnDC())
667 {
668 pDCData pHps = (pDCData)GpiQueryDCData (wnd->getOwnDC());
669
670 if (pHps != NULLHANDLE)
671 if (!isYup (pHps))
672 dy = -dy;
673 }
674 else
675 {
676 dy = -dy;
677 }
678 return (dy);
679}
680//******************************************************************************
681//******************************************************************************
682HDC sendEraseBkgnd (Win32BaseWindow *wnd)
683{
684 BOOL erased;
685 HWND hwnd;
686 HDC hdc;
687 HPS hps;
688 HRGN hrgnUpdate, hrgnOld, hrgnClip, hrgnCombined;
689 RECTL rectl = { 1, 1, 2, 2 };
690
691 hwnd = wnd->getOS2WindowHandle();
692 hps = WinGetPS(hwnd);
693
694 hrgnUpdate = GpiCreateRegion (hps, 1, &rectl);
695 WinQueryUpdateRegion (hwnd, hrgnUpdate);
696 hrgnClip = GpiQueryClipRegion (hps);
697
698 if (hrgnClip == NULLHANDLE)
699 {
700 GpiSetClipRegion (hps, hrgnUpdate, &hrgnOld);
701 }
702 else
703 {
704 hrgnCombined = GpiCreateRegion (hps, 1, &rectl);
705 GpiCombineRegion (hps, hrgnCombined, hrgnClip, hrgnUpdate, CRGN_AND);
706 GpiSetClipRegion (hps, hrgnCombined, &hrgnOld);
707 GpiDestroyRegion (hps, hrgnUpdate);
708 GpiDestroyRegion (hps, hrgnClip);
709 }
710 if (hrgnOld != NULLHANDLE)
711 GpiDestroyRegion (hps, hrgnOld);
712
713 hdc = HPSToHDC (hwnd, hps, NULL, NULL);
714
715 erased = wnd->MsgEraseBackGround (hdc);
716
717 DeleteHDC (hdc);
718 WinReleasePS (hps);
719
720 return erased;
721}
722//******************************************************************************
723//******************************************************************************
724void releaseOwnDC (HDC hps)
725{
726 pDCData pHps = (pDCData)GpiQueryDCData ((HPS)hps);
727
728 dprintf2(("releaseOwnDC %x", hps));
729
730 if (pHps) {
731 if (pHps->hrgnHDC)
732 GpiDestroyRegion (pHps->hps, pHps->hrgnHDC);
733
734 GpiSetBitmap (pHps->hps, NULL);
735 O32_DeleteObject (pHps->nullBitmapHandle);
736 GpiDestroyPS(pHps->hps);
737
738 if (pHps->hdc)
739 DevCloseDC(pHps->hdc);
740 }
741}
742//******************************************************************************
743//******************************************************************************
744HDC WIN32API BeginPaint (HWND hWnd, PPAINTSTRUCT_W lpps)
745{
746 HWND hwnd = hWnd ? hWnd : HWND_DESKTOP;
747 pDCData pHps = NULLHANDLE;
748 HPS hPS_ownDC = NULLHANDLE, hpsPaint = 0;
749 RECTL rectl = {0, 0, 1, 1};
750 HRGN hrgnOldClip;
751 LONG lComplexity;
752 RECTL rectlClient;
753 RECTL rectlClip;
754
755 memset(lpps, 0, sizeof(*lpps));
756 Win32BaseWindow *wnd = Win32BaseWindow::GetWindowFromHandle(hwnd);
757 if(!lpps || !wnd) {
758 dprintf (("USER32: BeginPaint %x invalid parameter %x", hWnd, lpps));
759 SetLastError(ERROR_INVALID_PARAMETER_W);
760 return (HDC)0;
761 }
762 HWND hwndClient = wnd->getOS2WindowHandle();
763
764 if(hwnd != HWND_DESKTOP && wnd->isOwnDC())
765 {
766 hPS_ownDC = wnd->getOwnDC();
767 //SvL: Hack for memory.exe (doesn't get repainted properly otherwise)
768 if(hPS_ownDC) {
769 pHps = (pDCData)GpiQueryDCData(hPS_ownDC);
770 if (!pHps)
771 {
772 dprintf (("USER32: BeginPaint %x invalid parameter %x", hWnd, lpps));
773 SetLastError(ERROR_INVALID_PARAMETER_W);
774 return (HDC)NULLHANDLE;
775 }
776 hpsPaint = hPS_ownDC;
777 }
778 }
779 if(!hpsPaint) {
780 hpsPaint = GetDCEx(hwnd, 0, (DCX_CACHE_W|DCX_WINDOW_W|DCX_USESTYLE_W));
781 pHps = (pDCData)GpiQueryDCData(hpsPaint);
782 if (!pHps)
783 {
784 dprintf (("USER32: BeginPaint %x invalid parameter %x", hWnd, lpps));
785 SetLastError(ERROR_INVALID_PARAMETER_W);
786 return (HDC)NULLHANDLE;
787 }
788 }
789
790 if(WinQueryUpdateRect(hwndClient, &rectl) == FALSE) {
791 memset(&rectl, 0, sizeof(rectl));
792 dprintf (("USER32: WARNING: WinQueryUpdateRect failed (error or no update rectangle)!!"));
793
794 HRGN hrgnClip = GpiCreateRegion(pHps->hps, 1, &rectl);
795 GpiSetClipRegion(pHps->hps, hrgnClip, &hrgnOldClip);
796
797 selectClientArea(wnd, pHps);
798
799 //save old clip region (restored for CS_OWNDC windows in EndPaint)
800 wnd->SetClipRegion(hrgnOldClip);
801 lComplexity = RGN_NULL;
802 }
803 else {
804 rectlClip.yBottom = rectlClip.xLeft = 0;
805 rectlClip.yTop = rectlClip.xRight = 1;
806
807 //Query update region
808 HRGN hrgnClip = GpiCreateRegion(pHps->hps, 1, &rectlClip);
809 WinQueryUpdateRegion(hwndClient, hrgnClip);
810 WinValidateRegion(hwndClient, hrgnClip, FALSE);
811
812 mapWin32ToOS2Rect(wnd->getWindowHeight(), wnd->getClientRectPtr(), (PRECTLOS2)&rectlClient);
813 WinIntersectRect(NULL, &rectlClip, &rectl, &rectlClient);
814 WinOffsetRect(NULL, &rectlClip, -rectlClient.xLeft, -rectlClient.yBottom);
815
816 //clip update region with client window rectangle
817 HRGN hrgnClient = GpiCreateRegion(pHps->hps, 1, &rectlClient);
818 GpiCombineRegion(pHps->hps, hrgnClip, hrgnClip, hrgnClient, CRGN_AND);
819 GpiDestroyRegion(pHps->hps, hrgnClient);
820
821 //change origin of clip region (window -> client)
822 POINTL point = {-rectlClient.xLeft, -rectlClient.yBottom};
823 GpiOffsetRegion(pHps->hps, hrgnClip, &point);
824#ifdef DEBUG
825 dprintfRegion1(pHps->hps, hWnd, hrgnClip);
826#endif
827 //set clip region
828 lComplexity = GpiSetClipRegion(pHps->hps, hrgnClip, &hrgnOldClip);
829
830 //change presentation space for client window
831 //NOTE: MUST do this after GpiSetClipRegion call!
832 // When a window with CS_OWNDC looses focus, for some reason
833 // GpiSetClipRegion resets the window dc origin back to (0,0)
834 selectClientArea(wnd, pHps);
835
836 GpiQueryClipBox(pHps->hps, &rectl);
837 dprintf(("ClipBox (%d): (%d,%d)(%d,%d)", lComplexity, rectl.xLeft, rectl.yBottom, rectl.xRight, rectl.yTop));
838
839 //save old clip region (restored for CS_OWNDC windows in EndPaint)
840 wnd->SetClipRegion(hrgnOldClip);
841 memcpy(&rectl, &rectlClip, sizeof(RECTL));
842 lComplexity = RGN_RECT;
843 }
844
845 if(hPS_ownDC == 0)
846 setMapMode (wnd, pHps, MM_TEXT_W);
847 else
848 setPageXForm(wnd, pHps);
849
850 pHps->hdcType = TYPE_3;
851
852 HideCaret(hwnd);
853 WinShowTrackRect(wnd->getOS2WindowHandle(), FALSE);
854
855 if(wnd->needsEraseBkgnd() && lComplexity != RGN_NULL) {
856 wnd->setEraseBkgnd(FALSE);
857 lpps->fErase = (wnd->MsgEraseBackGround(pHps->hps) != 0);
858 }
859 else lpps->fErase = TRUE;
860
861 dprintfOrigin(pHps->hps);
862
863 lpps->hdc = (HDC)pHps->hps;
864
865 if(lComplexity != RGN_NULL) {
866 long height = wnd->getClientHeight();
867 lpps->rcPaint.top = height - rectl.yTop;
868 lpps->rcPaint.left = rectl.xLeft;
869 lpps->rcPaint.bottom = height - rectl.yBottom;
870 lpps->rcPaint.right = rectl.xRight;
871 }
872 else {
873 lpps->rcPaint.bottom = lpps->rcPaint.top = 0;
874 lpps->rcPaint.right = lpps->rcPaint.left = 0;
875 }
876
877 SetLastError(0);
878 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));
879 return (HDC)pHps->hps;
880}
881//******************************************************************************
882//******************************************************************************
883BOOL WIN32API EndPaint (HWND hWnd, const PAINTSTRUCT_W *pPaint)
884{
885 HWND hwnd = hWnd ? hWnd : HWND_DESKTOP;
886 HRGN hrgnOld;
887 pDCData pHps;
888
889 dprintf (("USER32: EndPaint(%x)", hwnd));
890
891 if (!pPaint || !pPaint->hdc )
892 return TRUE;
893
894 Win32BaseWindow *wnd = Win32BaseWindow::GetWindowFromHandle(hwnd);
895
896 if (!wnd) goto exit;
897
898 pHps = (pDCData)GpiQueryDCData((HPS)pPaint->hdc);
899 if (pHps && (pHps->hdcType == TYPE_3))
900 {
901 dprintfOrigin(pHps->hps);
902
903 GpiSetClipRegion(pHps->hps, wnd->GetClipRegion(), &hrgnOld);
904 wnd->SetClipRegion(0);
905 if(hrgnOld) {
906 GpiDestroyRegion(pHps->hps, hrgnOld);
907 }
908 pHps->hdcType = TYPE_1; //otherwise Open32's ReleaseDC fails
909 ReleaseDC(hwnd, pPaint->hdc);
910 }
911 else {
912 dprintf(("EndPaint: wrong hdc %x!!", pPaint->hdc));
913 }
914 wnd->setEraseBkgnd(TRUE);
915 ShowCaret(hwnd);
916 WinShowTrackRect(wnd->getOS2WindowHandle(), TRUE);
917
918exit:
919 SetLastError(0);
920 return TRUE;
921}
922//******************************************************************************
923//******************************************************************************
924int WIN32API ReleaseDC (HWND hwnd, HDC hdc)
925{
926 BOOL isOwnDC = FALSE;
927 int rc;
928
929 if (hwnd)
930 {
931 Win32BaseWindow *wnd = Win32BaseWindow::GetWindowFromHandle (hwnd);
932 if(wnd == NULL) {
933 dprintf(("ERROR: ReleaseDC %x %x failed", hwnd, hdc));
934 return 0;
935 }
936 isOwnDC = wnd->isOwnDC() && (wnd->getOwnDC() == hdc);
937 if(!isOwnDC)
938 {
939 pDCData pHps = (pDCData)GpiQueryDCData((HPS)hdc);
940 if(pHps && pHps->psType == MICRO_CACHED) {
941 removeClientArea(wnd, pHps);
942 if(pHps->hrgnVis) {
943 GreDestroyRegion(pHps->hps, pHps->hrgnVis);
944 pHps->hrgnVis = 0;
945 }
946 }
947 else {
948 dprintf(("ERROR: ReleaseDC: pHps == NULL!!"));
949 DebugInt3();
950 }
951 }
952 else {
953 dprintf2(("ReleaseDC: CS_OWNDC, not released"));
954 }
955 }
956
957 if(isOwnDC) {
958 rc = TRUE;
959 }
960 else {
961 rc = O32_ReleaseDC (0, hdc);
962 }
963
964 dprintf(("ReleaseDC %x %x", hwnd, hdc));
965 return (rc);
966}
967//******************************************************************************
968// This implementation of GetDCEx supports
969// DCX_WINDOW
970// DCX_CACHE
971// DCX_EXCLUDERGN (complex regions allowed)
972// DCX_INTERSECTRGN (complex regions allowed)
973// DCX_USESTYLE
974// DCX_CLIPSIBLINGS
975// DCX_CLIPCHILDREN
976// DCX_PARENTCLIP
977//
978//TODO: WM_SETREDRAW affects drawingAllowed flag!!
979//******************************************************************************
980HDC WIN32API GetDCEx (HWND hwnd, HRGN hrgn, ULONG flags)
981{
982 Win32BaseWindow *wnd = NULL;
983 HWND hWindow;
984 BOOL success;
985 pDCData pHps = NULL;
986 HPS hps = NULLHANDLE;
987 BOOL drawingAllowed = TRUE;
988 BOOL isWindowOwnDC;
989 BOOL creatingOwnDC = FALSE;
990 PS_Type psType;
991
992 if(hwnd == 0) {
993 dprintf(("error: GetDCEx window %x not found", hwnd));
994 SetLastError(ERROR_INVALID_WINDOW_HANDLE_W);
995 return 0;
996 }
997
998 if (hwnd)
999 {
1000 wnd = Win32BaseWindow::GetWindowFromHandle(hwnd);
1001 if(wnd == NULL) {
1002 dprintf (("ERROR: User32: GetDCEx bad window handle %X!!!!!", hwnd));
1003 SetLastError(ERROR_INVALID_WINDOW_HANDLE_W);
1004 return 0;
1005 }
1006 hWindow = wnd->getOS2WindowHandle();
1007 }
1008
1009 isWindowOwnDC = (((hWindow == HWND_DESKTOP) ? FALSE : (wnd->isOwnDC()))
1010 && !(flags & (DCX_CACHE_W|DCX_WINDOW_W)));
1011
1012 if(isWindowOwnDC) //own dc always for client area
1013 {
1014 hps = wnd->getOwnDC();
1015 if (hps)
1016 {
1017 pDCData pHps = (pDCData)GpiQueryDCData (hps);
1018 if (!pHps)
1019 goto error;
1020
1021 selectClientArea(wnd, pHps);
1022
1023 //TODO: Is this always necessary??
1024 setPageXForm (wnd, pHps);
1025 pHps->hdcType = TYPE_1;
1026
1027 //TODO: intersect/exclude clip region?
1028 dprintf (("User32: GetDCEx hwnd %x (%x %x) -> wnd %x hdc %x", hwnd, hrgn, flags, wnd, hps));
1029 return (HDC)hps;
1030 }
1031 else
1032 creatingOwnDC = TRUE;
1033 }
1034
1035 if(isWindowOwnDC)
1036 {
1037 SIZEL sizel = {0,0};
1038 hps = GpiCreatePS (WinQueryAnchorBlock (hWindow),
1039 WinOpenWindowDC (hWindow),
1040 &sizel, PU_PELS | GPIT_MICRO | GPIA_ASSOC );
1041 psType = MICRO;
1042 // default cp is OS/2 one: set to windows default (ODIN.INI)
1043 GpiSetCp(hps, GetDisplayCodepage());
1044 }
1045 else
1046 {
1047 if (hWindow == HWND_DESKTOP) {
1048 hps = WinGetScreenPS (hWindow);
1049 }
1050 else {
1051 int clipstyle = 0;
1052 int clipwnd = HWND_TOP;
1053 if(flags & (DCX_USESTYLE_W)) {
1054 int style = wnd->getStyle();
1055 if(style & WS_CLIPCHILDREN_W) {
1056 clipstyle |= PSF_CLIPCHILDREN;
1057 }
1058 if(style & WS_CLIPSIBLINGS_W) {
1059 clipstyle |= PSF_CLIPSIBLINGS;
1060 }
1061 if(wnd->fHasParentDC()) {
1062 clipstyle |= PSF_PARENTCLIP;
1063 }
1064 }
1065 if(flags & DCX_CLIPSIBLINGS_W) {
1066 clipstyle |= PSF_CLIPSIBLINGS;
1067 }
1068 if(flags & DCX_CLIPCHILDREN_W) {
1069 clipstyle |= PSF_CLIPCHILDREN;
1070 }
1071 if(flags & DCX_PARENTCLIP_W) {
1072 clipstyle |= PSF_PARENTCLIP;
1073 }
1074 if(clipstyle) {
1075 dprintf2(("WinGetClipPS style %x", clipstyle));
1076 hps = WinGetClipPS(hWindow, clipwnd, clipstyle);
1077 }
1078 else hps = WinGetPS (hWindow);
1079
1080 // default cp is OS/2 one: set to windows default (ODIN.INI)
1081 GpiSetCp(hps, GetDisplayCodepage());
1082 }
1083 psType = MICRO_CACHED;
1084 }
1085
1086 if (!hps)
1087 goto error;
1088
1089 HPSToHDC (hWindow, hps, NULL, NULL);
1090 pHps = (pDCData)GpiQueryDCData (hps);
1091
1092 if(!(flags & DCX_WINDOW_W))
1093 {
1094 selectClientArea(wnd, pHps);
1095 }
1096 else removeClientArea(wnd, pHps);
1097
1098 setMapMode(wnd, pHps, MM_TEXT_W);
1099
1100 if ((flags & DCX_EXCLUDERGN_W) || (flags & DCX_INTERSECTRGN_W))
1101 {
1102 ULONG BytesNeeded;
1103 PRGNDATA RgnData;
1104 PRECT pr;
1105 int i;
1106 RECTL rectl;
1107
1108 if (!hrgn)
1109 goto error;
1110
1111 success = TRUE;
1112 if (flags & DCX_EXCLUDERGN_W)
1113 {
1114#if 0 //CB: todo
1115 long height;
1116
1117 BytesNeeded = GetRegionData (hrgn, 0, NULL);
1118 RgnData = (PRGNDATA_W)_alloca (BytesNeeded);
1119 if (RgnData == NULL)
1120 goto error;
1121 GetRegionData (hrgn, BytesNeeded, RgnData);
1122
1123 i = RgnData->rdh.nCount;
1124 pr = (PRECT)(RgnData->Buffer);
1125
1126 if (flags & DCX_WINDOW_W)
1127 height = wnd->getWindowHeight();
1128 else height = wnd->getClientHeight();
1129
1130 for (; (i > 0) && success; i--, pr++) {
1131 LONG y = pr->yBottom;
1132
1133 pr->yBottom = height - pr->yTop;
1134 pr->yTop = height - y;
1135 success &= GpiExcludeClipRectangle (pHps->hps, pr);
1136 }
1137#endif
1138 }
1139 else //DCX_INTERSECTRGN_W
1140 {
1141 //SvL: I'm getting paint problems when clipping a dc created in GetDCEx
1142 // with a region that covers the entire window (RealPlayer 7 Update 1)
1143 // Using SelectClipRgn here doesn't make any difference.
1144 if(ExtSelectClipRgn(pHps->hps, hrgn, RGN_AND_W) == ERROR_W) {
1145 dprintf(("ExtSelectClipRgn failed!!"));
1146 }
1147 }
1148 if (!success)
1149 goto error;
1150 }
1151
1152 if (creatingOwnDC)
1153 wnd->setOwnDC ((HDC)hps);
1154
1155 pHps->psType = psType;
1156 pHps->hdcType = TYPE_1;
1157 //TODO: WM_SETREDRAW affects drawingAllowed flag!!
1158 GpiSetDrawControl (hps, DCTL_DISPLAY, drawingAllowed ? DCTL_ON : DCTL_OFF);
1159
1160 dprintf (("User32: GetDCEx hwnd %x (%x %x) -> hdc %x", hwnd, hrgn, flags, pHps->hps));
1161 return (HDC)pHps->hps;
1162
1163error:
1164 /* Something went wrong; clean up
1165 */
1166 dprintf(("ERROR: GetDCEx hwnd %x (%x %x) FAILED!", hwnd, hrgn, flags));
1167 DebugInt3();
1168 if (pHps)
1169 {
1170 if (pHps->hps)
1171 {
1172 if(pHps->psType == MICRO_CACHED)
1173 WinReleasePS(pHps->hps);
1174 else
1175 GpiDestroyPS(pHps->hps);
1176 }
1177
1178 if (pHps->hdc) DevCloseDC(pHps->hdc);
1179 if (pHps->hrgnHDC) GpiDestroyRegion(pHps->hps, pHps->hrgnHDC);
1180
1181 O32_DeleteObject (pHps->nullBitmapHandle);
1182 }
1183 SetLastError(ERROR_INVALID_PARAMETER_W);
1184 return NULL;
1185}
1186//******************************************************************************
1187//******************************************************************************
1188HDC WIN32API GetDC (HWND hwnd)
1189{
1190 if(!hwnd)
1191 return GetDCEx( GetDesktopWindow(), 0, DCX_CACHE_W | DCX_WINDOW_W );
1192 return GetDCEx (hwnd, NULL, 0);
1193}
1194//******************************************************************************
1195//******************************************************************************
1196HDC WIN32API GetWindowDC (HWND hwnd)
1197{
1198 if (!hwnd) hwnd = GetDesktopWindow();
1199 return GetDCEx (hwnd, NULL, DCX_WINDOW_W);
1200}
1201//******************************************************************************
1202//Helper for RedrawWindow (RDW_ALLCHILDREN_W)
1203//******************************************************************************
1204LRESULT WIN32API RedrawChildEnumProc(HWND hwnd, LPARAM lParam)
1205{
1206 RedrawWindow(hwnd, NULL, 0, lParam);
1207 return TRUE;
1208}
1209//******************************************************************************
1210// This implementation of RedrawWindow supports
1211// RDW_ERASE
1212// RDW_NOERASE
1213// RDW_INTERNALPAINT
1214// RDW_NOINTERNALPAINT
1215// RDW_INVALIDATE
1216// RDW_VALIDATE
1217// RDW_ERASENOW
1218// RDW_UPDATENOW
1219// RDW_FRAME
1220//
1221//TODO: Works ok for RDW_FRAME??
1222//******************************************************************************
1223BOOL WIN32API RedrawWindow(HWND hwnd, const RECT* pRect, HRGN hrgn, DWORD redraw)
1224{
1225 Win32BaseWindow *wnd;
1226
1227 if(pRect) {
1228 dprintf(("RedrawWindow %x (%d,%d)(%d,%d) %x %x", hwnd, pRect->left, pRect->top, pRect->right, pRect->bottom, hrgn, redraw));
1229 }
1230 else dprintf(("RedrawWindow %x %x %x %x", hwnd, pRect, hrgn, redraw));
1231
1232 if (hwnd == NULLHANDLE)
1233 {
1234#if 1
1235 // Don't do this for now (causes lots of desktop repaints in WordPad)
1236 SetLastError(ERROR_INVALID_PARAMETER_W);
1237 return FALSE;
1238#else
1239 hwnd = HWND_DESKTOP;
1240 wnd = Win32BaseWindow::GetWindowFromOS2Handle(OSLIB_HWND_DESKTOP);
1241
1242 if (!wnd)
1243 {
1244 dprintf(("USER32:dc: RedrawWindow can't find desktop window %08xh\n",
1245 hwnd));
1246 SetLastError(ERROR_INVALID_PARAMETER_W);
1247 return FALSE;
1248 }
1249#endif
1250 }
1251 else
1252 {
1253 wnd = Win32BaseWindow::GetWindowFromHandle (hwnd);
1254
1255 if (!wnd)
1256 {
1257 dprintf(("USER32:dc: RedrawWindow can't find window %08xh\n",
1258 hwnd));
1259 SetLastError(ERROR_INVALID_PARAMETER_W);
1260 return FALSE;
1261 }
1262 hwnd = wnd->getOS2WindowHandle();
1263 }
1264
1265 BOOL IncludeChildren = (redraw & RDW_ALLCHILDREN_W) ? TRUE : FALSE;
1266 BOOL success = TRUE;
1267 HPS hpsTemp = NULLHANDLE;
1268 HRGN hrgnTemp = NULLHANDLE;
1269 RECTL rectl;
1270
1271 if (hrgn)
1272 {
1273 ULONG BytesNeeded;
1274 PRGNDATA RgnData;
1275 PRECTL pr;
1276 int i;
1277 LONG height;
1278
1279 if(wnd) {
1280 height = (redraw & RDW_FRAME_W) ? wnd->getWindowHeight() : wnd->getClientHeight();
1281 }
1282 else height = OSLibQueryScreenHeight();
1283
1284 if (!hrgn)
1285 goto error;
1286
1287 BytesNeeded = GetRegionData (hrgn, 0, NULL);
1288 RgnData = (PRGNDATA)_alloca (BytesNeeded);
1289 if (RgnData == NULL)
1290 goto error;
1291 GetRegionData (hrgn, BytesNeeded, RgnData);
1292
1293 pr = (PRECTL)(RgnData->Buffer);
1294 for (i = RgnData->rdh.nCount; i > 0; i--, pr++) {
1295 LONG temp = pr->yTop;
1296 pr->yTop = height - pr->yBottom;
1297 pr->yBottom = height - temp;
1298 dprintf2(("Invalid region (%d,%d) (%d,%d)", pr->xLeft, pr->yBottom, pr->xRight, pr->yTop));
1299 }
1300
1301 hpsTemp = WinGetScreenPS (HWND_DESKTOP);
1302 hrgnTemp = GpiCreateRegion (hpsTemp, RgnData->rdh.nCount, (PRECTL)(RgnData->Buffer));
1303 if (!hrgnTemp) goto error;
1304 }
1305 else if (pRect)
1306 {
1307 if(wnd) {
1308 if(redraw & RDW_FRAME_W) {
1309 mapWin32ToOS2Rect(wnd->getWindowHeight(), (PRECT)pRect, (PRECTLOS2)&rectl);
1310 }
1311 else mapWin32ToOS2RectClientToFrame(wnd, (PRECT)pRect, (PRECTLOS2)&rectl);
1312 }
1313 else mapWin32ToOS2Rect(OSLibQueryScreenHeight(), (PRECT)pRect, (PRECTLOS2)&rectl);
1314 }
1315
1316 if (redraw & RDW_INVALIDATE_W)
1317 {
1318 //TODO: SvL: pingpong.exe doesn't have RDW_NOERASE, but doesn't want WM_ERASEBKGND msgs
1319 if (redraw & RDW_ERASE_W) {
1320 wnd->setEraseBkgnd(TRUE);
1321 }
1322 else
1323 if (redraw & RDW_NOERASE_W)
1324 wnd->setEraseBkgnd(FALSE);
1325
1326 if (!pRect && !hrgn)
1327 success = WinInvalidateRect (hwnd, NULL, IncludeChildren);
1328 else
1329 if (hrgn) {
1330 success = WinInvalidateRegion (hwnd, hrgnTemp, IncludeChildren);
1331 if(IncludeChildren && WinQueryUpdateRect(hwnd, NULL) == FALSE) {
1332 dprintf(("WARNING: WinQueryUpdateRect %x region %x returned false even though we just invalidated part of a window!!!", hwnd, hrgnTemp));
1333 success = success = WinInvalidateRegion (hwnd, hrgnTemp, FALSE);
1334 }
1335 }
1336 else {
1337 dprintf2(("WinInvalidateRect (%d,%d)(%d,%d)", rectl.xLeft, rectl.yBottom, rectl.xRight, rectl.yTop));
1338 success = WinInvalidateRect (hwnd, &rectl, IncludeChildren);
1339//SvL: If all children are included, then WinInvalidateRect is called
1340// with fIncludeChildren=1 -> rect of hwnd isn't invalidated if child(ren)
1341// overlap(s) the specified rectangle completely (EVEN if window doesn't
1342// have WS_CLIPCHILREN!)
1343// -> example: XWing vs Tie Fighter install window
1344// WinInvalidateRect with fIncludeChildren=0 invalidates both the parent
1345// and child windows
1346//SvL: Can't always set fIncludeChildren to FALSE or else some controls in
1347// the RealPlayer setup application aren't redrawn when invalidating
1348// their parent
1349// SO: Check if IncludeChildren is set and part of the window is invalid
1350// If not -> call WinInvalidateRect with IncludeChildren=0 to force
1351// the window rectangle to be invalidated
1352//
1353 if(IncludeChildren && WinQueryUpdateRect(hwnd, NULL) == FALSE) {
1354 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));
1355 success = WinInvalidateRect (hwnd, &rectl, FALSE);
1356 }
1357 }
1358
1359 if (!success) goto error;
1360 }
1361 else if (redraw & RDW_VALIDATE_W)
1362 {
1363 if (redraw & RDW_NOERASE_W)
1364 wnd->setEraseBkgnd(FALSE);
1365
1366 if (WinQueryUpdateRect (hwnd, NULL))
1367 {
1368 if(!pRect && !hrgn) {
1369 success = WinValidateRect (hwnd, NULL, IncludeChildren);
1370 }
1371 else
1372 if(hrgn) {
1373 success = WinValidateRegion (hwnd, hrgnTemp, IncludeChildren);
1374 }
1375 else {
1376 success = WinValidateRect (hwnd, &rectl, IncludeChildren);
1377 }
1378 if(!success) goto error;
1379 }
1380 }
1381
1382 if(WinQueryUpdateRect(hwnd, NULL))
1383 {
1384 //TODO: Does this work if RDW_ALLCHILDREN is set??
1385 if(redraw & RDW_UPDATENOW_W) {
1386 wnd->MsgNCPaint();
1387 wnd->MsgPaint(0, FALSE);
1388 }
1389 else
1390// if((redraw & RDW_ERASE_W) && (redraw & RDW_ERASENOW_W))
1391 if(redraw & RDW_ERASENOW_W && wnd->needsEraseBkgnd())
1392 wnd->setEraseBkgnd(sendEraseBkgnd(wnd) == 0);
1393// if(redraw & RDW_ALLCHILDREN_W) {
1394// EnumChildWindows(wnd->getWindowHandle(), RedrawChildEnumProc, redraw);
1395// }
1396 }
1397 else if((redraw & RDW_INTERNALPAINT_W) && !(redraw & RDW_INVALIDATE_W))
1398 {
1399 if(redraw & RDW_UPDATENOW_W) {
1400 wnd->MsgNCPaint();
1401 wnd->MsgPaint (0, FALSE);
1402 }
1403 else PostMessageA(hwnd, WINWM_PAINT, 0, 0);
1404 }
1405
1406error:
1407 /* clean up */
1408 if (hrgnTemp)
1409 GpiDestroyRegion (hpsTemp, hrgnTemp);
1410
1411 if (hpsTemp)
1412 WinReleasePS (hpsTemp);
1413
1414 if (!success) {
1415 dprintf(("RedrawWindow failure!"));
1416 SetLastError(ERROR_INVALID_PARAMETER_W);
1417 }
1418 return (success);
1419}
1420//******************************************************************************
1421//******************************************************************************
1422BOOL WIN32API UpdateWindow (HWND hwnd)
1423{
1424 Win32BaseWindow *wnd = Win32BaseWindow::GetWindowFromHandle (hwnd);
1425
1426 if(!wnd) {
1427 SetLastError(ERROR_INVALID_WINDOW_HANDLE_W);
1428 return FALSE;
1429 }
1430
1431 dprintf (("User32: UpdateWindow hwnd %x", hwnd));
1432//SvL: This doesn't work right (Wine uses RDW_NOCHILDREN_W -> doesn't work here)
1433// Breaks vpbuddy
1434// return RedrawWindow(hwnd, NULL, 0, RDW_UPDATENOW_W | RDW_ALLCHILDREN_W);
1435// -> RDW_UPDATENOW causes WM_PAINT messages to be directy posted to window
1436// handler; possibly bypassing queued WM_PAINT messages for parent window(s)
1437// -> out of sync painting (i.e. parent paints over child)
1438 WinUpdateWindow(wnd->getOS2WindowHandle());
1439 return TRUE;
1440}
1441//******************************************************************************
1442//******************************************************************************
1443BOOL WIN32API ValidateRect( HWND hwnd, const RECT * lprc)
1444{
1445 if(lprc) {
1446 dprintf(("USER32: ValidateRect %x (%d,%d)(%d,%d)", hwnd, lprc->left, lprc->top, lprc->right, lprc->bottom));
1447 }
1448 else dprintf(("USER32: ValidateRect %x", hwnd));
1449
1450 return RedrawWindow( hwnd, lprc, 0, RDW_VALIDATE_W | RDW_NOCHILDREN_W | (hwnd==0 ? RDW_UPDATENOW_W : 0));
1451}
1452//******************************************************************************
1453//******************************************************************************
1454BOOL WIN32API ValidateRgn( HWND hwnd, HRGN hrgn)
1455{
1456 dprintf(("USER32: ValidateRgn %x %x", hwnd, hrgn));
1457 return RedrawWindow( hwnd, NULL, hrgn, RDW_VALIDATE_W | RDW_NOCHILDREN_W | (hwnd==0 ? RDW_UPDATENOW_W : 0));
1458}
1459//******************************************************************************
1460//******************************************************************************
1461BOOL WIN32API InvalidateRect (HWND hwnd, const RECT *pRect, BOOL erase)
1462{
1463 BOOL result;
1464
1465 if(pRect) {
1466 dprintf(("InvalidateRect %x (%d,%d)(%d,%d) erase=%d", hwnd, pRect->left, pRect->top, pRect->right, pRect->bottom, erase));
1467 }
1468 else dprintf(("InvalidateRect %x NULL erase=%d", hwnd, erase));
1469#if 1
1470 result = RedrawWindow (hwnd, pRect, NULLHANDLE,
1471 RDW_ALLCHILDREN_W | RDW_INVALIDATE_W |
1472 (erase ? RDW_ERASE_W : 0) |
1473 (hwnd == NULLHANDLE ? RDW_UPDATENOW_W : 0));
1474#else
1475 result = RedrawWindow (hwnd, pRect, NULLHANDLE,
1476 RDW_ALLCHILDREN_W | RDW_INVALIDATE_W |
1477 (erase ? RDW_ERASE_W : RDW_NOERASE_W) |
1478 (hwnd == NULLHANDLE ? RDW_UPDATENOW_W : 0));
1479#endif
1480 return (result);
1481}
1482//******************************************************************************
1483//******************************************************************************
1484BOOL WIN32API InvalidateRgn (HWND hwnd, HRGN hrgn, BOOL erase)
1485{
1486 BOOL result;
1487
1488 dprintf(("InvalidateRgn %x %x erase=%d", hwnd, hrgn, erase));
1489#if 1
1490 result = RedrawWindow (hwnd, NULL, hrgn,
1491 RDW_ALLCHILDREN_W | RDW_INVALIDATE_W |
1492 (erase ? RDW_ERASE_W : 0) |
1493 (hwnd == NULLHANDLE ? RDW_UPDATENOW_W : 0));
1494#else
1495 result = RedrawWindow (hwnd, NULL, hrgn,
1496 RDW_ALLCHILDREN_W | RDW_INVALIDATE_W |
1497 (erase ? RDW_ERASE_W : RDW_NOERASE_W) |
1498 (hwnd == NULLHANDLE ? RDW_UPDATENOW_W : 0));
1499#endif
1500 return (result);
1501}
1502//******************************************************************************
1503//TODO: Change for client rectangle!!!!!
1504//******************************************************************************
1505BOOL setPMRgnIntoWinRgn (HRGN hrgnPM, HRGN hrgnWin, LONG height)
1506{
1507 BOOL rc;
1508 HPS hps = WinGetScreenPS (HWND_DESKTOP);
1509 RGNRECT rgnRect;
1510 rgnRect.ircStart = 1;
1511 rgnRect.crc = 0;
1512 rgnRect.ulDirection = RECTDIR_LFRT_TOPBOT; // doesn't make a difference because we're getting them all
1513
1514 rc = GpiQueryRegionRects (hps, hrgnPM, NULL, &rgnRect, NULL);
1515
1516 if (rc && (rgnRect.crcReturned > 0))
1517 {
1518 PRECTL Rcls = new RECTL[rgnRect.crcReturned];
1519 PRECTL pRcl = Rcls;
1520
1521 if (Rcls != NULL)
1522 {
1523 rgnRect.crc = rgnRect.crcReturned;
1524 rc = GpiQueryRegionRects (hps, hrgnPM, NULL, &rgnRect, Rcls);
1525
1526 rc = SetRectRgn(hrgnWin, pRcl->xLeft,
1527 pRcl->xRight,
1528 height - pRcl->yTop,
1529 height - pRcl->yBottom);
1530
1531 if (rgnRect.crcReturned > 1)
1532 {
1533 int i;
1534 HRGN temp;
1535 temp = CreateRectRgn (0, 0, 1, 1);
1536
1537 for (i = 1, pRcl++; rc && (i < rgnRect.crcReturned); i++, pRcl++)
1538 {
1539 rc = SetRectRgn (temp, pRcl->xLeft,
1540 pRcl->xRight,
1541 height - pRcl->yTop,
1542 height - pRcl->yBottom);
1543 rc &= CombineRgn (hrgnWin, hrgnWin, temp, RGN_OR_W);
1544 }
1545 DeleteObject (temp);
1546 }
1547 delete[] Rcls;
1548 }
1549 else
1550 {
1551 rc = FALSE;
1552 }
1553 }
1554 else
1555 {
1556 rc = SetRectRgn (hrgnWin, 0, 0, 0, 0);
1557 }
1558
1559 WinReleasePS (hps);
1560 return (rc);
1561}
1562//******************************************************************************
1563//TODO: Check if this one works correctly...
1564//Have to check if dc is for frame or client!!
1565//******************************************************************************
1566BOOL WIN32API ScrollDC(HDC hDC, int dx, int dy, const RECT *pScroll,
1567 const RECT *pClip, HRGN hrgnUpdate, LPRECT pRectUpdate)
1568{
1569 BOOL rc = TRUE;
1570
1571 dprintf (("USER32: ScrollDC %x (%d,%d), %x %x %x %x", hDC, dx, dy, pScroll, pClip, hrgnUpdate, pRectUpdate));
1572
1573 if (!hDC)
1574 {
1575 return (FALSE);
1576 }
1577
1578 pDCData pHps = (pDCData)GpiQueryDCData ((HPS)hDC);
1579 HWND hwnd = pHps->hwnd;
1580 Win32BaseWindow *wnd = Win32BaseWindow::GetWindowFromHandle (hwnd);
1581
1582 if ((hwnd == NULLHANDLE) || !wnd)
1583 {
1584 return (FALSE);
1585 }
1586
1587 POINTL ptl[2] = { 0, 0, dx, dy };
1588
1589 GpiConvert (pHps->hps, CVTC_WORLD, CVTC_DEVICE, 2, ptl);
1590 dx = (int)(ptl[1].x - ptl[0].x);
1591 dy = (int)(ptl[1].y - ptl[0].y);
1592
1593 RECT scrollRect;
1594 RECT clipRect;
1595
1596 if (pClip)
1597 {
1598 memcpy(&clipRect, pClip, sizeof(clipRect));
1599
1600 if ((pHps->graphicsMode == GM_COMPATIBLE_W) &&
1601 (clipRect.left != clipRect.right) &&
1602 (clipRect.bottom != clipRect.top))
1603 {
1604 if (abs((int)pHps->viewportXExt) <= abs((int)pHps->windowExt.cx))
1605 clipRect.right -= abs(pHps->worldXDeltaFor1Pixel);
1606 else
1607 clipRect.left += abs(pHps->worldXDeltaFor1Pixel);
1608
1609 if (abs((int)pHps->viewportYExt) <= abs((int)pHps->windowExt.cy))
1610 clipRect.bottom -= abs(pHps->worldYDeltaFor1Pixel);
1611 else
1612 clipRect.top += abs(pHps->worldYDeltaFor1Pixel);
1613 }
1614 GpiConvert(pHps->hps, CVTC_WORLD, CVTC_DEVICE, 2, (PPOINTL)&clipRect);
1615 if (clipRect.right < clipRect.left) {
1616 ULONG temp = clipRect.left;
1617 clipRect.left = clipRect.right;
1618 clipRect.right = temp;
1619 }
1620 if (clipRect.bottom < clipRect.top) {
1621 ULONG temp = clipRect.top;
1622 clipRect.top = clipRect.bottom;
1623 clipRect.bottom = temp;
1624 }
1625 }
1626
1627 if (pScroll)
1628 {
1629 memcpy(&scrollRect, pScroll, sizeof(scrollRect));
1630
1631 if ((pHps->graphicsMode == GM_COMPATIBLE_W) &&
1632 (scrollRect.left != scrollRect.right) &&
1633 (scrollRect.top != scrollRect.bottom))
1634 {
1635 if (abs((int)pHps->viewportXExt) <= abs((int)pHps->windowExt.cx))
1636 scrollRect.right -= abs(pHps->worldXDeltaFor1Pixel);
1637 else
1638 scrollRect.left += abs(pHps->worldXDeltaFor1Pixel);
1639
1640 if (abs((int)pHps->viewportYExt) <= abs((int)pHps->windowExt.cy))
1641 scrollRect.bottom -= abs(pHps->worldYDeltaFor1Pixel);
1642 else
1643 scrollRect.top += abs(pHps->worldYDeltaFor1Pixel);
1644 }
1645 GpiConvert (pHps->hps, CVTC_WORLD, CVTC_DEVICE, 2, (PPOINTL)&scrollRect);
1646 if (scrollRect.right < scrollRect.left) {
1647 ULONG temp = scrollRect.left;
1648 scrollRect.left = scrollRect.right;
1649 scrollRect.right = temp;
1650 }
1651 if (scrollRect.bottom < scrollRect.top) {
1652 ULONG temp = scrollRect.top;
1653 scrollRect.top = scrollRect.bottom;
1654 scrollRect.bottom = temp;
1655 }
1656 }
1657 RECTL rectlUpdate;
1658 HRGN hrgn;
1659 RECTL clientRect;
1660 RECTL clipOS2;
1661 RECTL scrollOS2;
1662 PRECTL pScrollOS2 = NULL;
1663 PRECTL pClipOS2 = NULL;
1664
1665 mapWin32ToOS2Rect(wnd->getWindowHeight(), wnd->getClientRectPtr(), (PRECTLOS2)&clientRect);
1666
1667 if(pScroll) {
1668 mapWin32ToOS2RectClientToFrame(wnd, &scrollRect, (PRECTLOS2)&scrollOS2);
1669 pScrollOS2 = &scrollOS2;
1670
1671 //Scroll rectangle relative to client area
1672 WinIntersectRect ((HAB) 0, pScrollOS2, pScrollOS2, &clientRect);
1673 }
1674 else {
1675 pScrollOS2 = &clientRect;
1676 }
1677
1678 if(pClip) {
1679 mapWin32ToOS2RectClientToFrame(wnd, &clipRect, (PRECTLOS2)&clipOS2);
1680 pClipOS2 = &clipOS2;
1681
1682 //Clip rectangle relative to client area
1683 WinIntersectRect((HAB) 0, pClipOS2, pClipOS2, &clientRect);
1684 }
1685 else {
1686 pClipOS2 = &clientRect;
1687 }
1688
1689 LONG lComplexity = WinScrollWindow(hwnd, dx, dy, pScrollOS2,
1690 pClipOS2, hrgn, &rectlUpdate, 0);
1691 if (lComplexity == RGN_ERROR)
1692 {
1693 return (FALSE);
1694 }
1695
1696 RECT winRectUpdate;
1697
1698 mapOS2ToWin32Rect(wnd->getWindowHeight(), (PRECTLOS2)&rectlUpdate, &winRectUpdate);
1699
1700 if (pRectUpdate)
1701 *pRectUpdate = winRectUpdate;
1702
1703 if (hrgnUpdate)
1704 rc = setPMRgnIntoWinRgn(hrgn, hrgnUpdate, wnd->getWindowHeight());
1705
1706 return (rc);
1707}
1708//******************************************************************************
1709//SvL: Using WinScrollWindow to scroll child windows is better (smoother).
1710//******************************************************************************
1711INT WIN32API ScrollWindowEx(HWND hwnd, int dx, int dy, const RECT *pScroll, const RECT *pClip,
1712 HRGN hrgnUpdate, PRECT pRectUpdate, UINT scrollFlag)
1713{
1714 Win32BaseWindow *window;
1715 APIRET rc;
1716 RECTL clientRect;
1717 RECTL scrollRect;
1718 RECTL clipRect;
1719 PRECTL pScrollOS2 = NULL;
1720 PRECTL pClipOS2 = NULL;
1721 ULONG scrollFlagsOS2 = 0;
1722 int orgdy = dy;
1723 int regionType = ERROR_W;
1724
1725 window = Win32BaseWindow::GetWindowFromHandle(hwnd);
1726 if(!window) {
1727 dprintf(("ScrollWindowEx, window %x not found", hwnd));
1728 return 0;
1729 }
1730
1731 dprintf(("ScrollWindowEx %x %d %d %x %x", hwnd, dx, dy, pScroll, pClip));
1732
1733 dy = revertDy (window, dy);
1734
1735 if (scrollFlag & SW_INVALIDATE_W) scrollFlagsOS2 |= SW_INVALIDATERGN;
1736 if (scrollFlag & SW_SCROLLCHILDREN_W) scrollFlagsOS2 |= SW_SCROLLCHILDREN;
1737
1738 mapWin32ToOS2Rect(window->getWindowHeight(), window->getClientRectPtr(), (PRECTLOS2)&clientRect);
1739
1740 if(pScroll) {
1741 mapWin32ToOS2RectClientToFrame(window,(RECT *)pScroll, (PRECTLOS2)&scrollRect);
1742 pScrollOS2 = &scrollRect;
1743
1744 //Scroll rectangle relative to client area
1745 WinIntersectRect ((HAB) 0, pScrollOS2, pScrollOS2, &clientRect);
1746 }
1747 else {
1748 pScrollOS2 = &clientRect;
1749 }
1750
1751 if(pClip) {
1752 mapWin32ToOS2RectClientToFrame(window,(RECT *)pClip, (PRECTLOS2)&clipRect);
1753 pClipOS2 = &clipRect;
1754
1755 //Clip rectangle relative to client area
1756 WinIntersectRect ((HAB) 0, pClipOS2, pClipOS2, &clientRect);
1757 }
1758 else {
1759 pClipOS2 = &clientRect;
1760 }
1761
1762 RECTL rectlUpdate;
1763 HRGN hrgn;
1764
1765 if (scrollFlag & SW_SMOOTHSCROLL_W)
1766 {
1767 INT time = (scrollFlag >> 16) & 0xFFFF;
1768
1769 //CB: todo, scroll in several steps
1770 // is time in ms? time <-> iteration count?
1771 }
1772
1773 LONG lComplexity = WinScrollWindow (window->getOS2WindowHandle(), dx, dy,
1774 pScrollOS2,
1775 pClipOS2,
1776 hrgn, &rectlUpdate, scrollFlagsOS2);
1777 if (lComplexity == RGN_ERROR)
1778 {
1779 return ERROR_W;
1780 }
1781
1782 //Notify children that they have moved (according to the SDK docs,
1783 //they only receive a WM_MOVE message)
1784 //(PM only does this for windows with CS_MOVENOTIFY class)
1785 //TODO: Verify this (no WM_WINDOWPOSCHANGING/ED?)
1786 if (scrollFlag & SW_SCROLLCHILDREN_W)
1787 {
1788 HWND hwndChild;
1789 RECT rectChild, rc;
1790
1791 dprintf(("ScrollWindowEx: Scroll child windows"));
1792 GetClientRect(hwnd, &rc);
1793 if (pScroll) IntersectRect(&rc, &rc, pScroll);
1794
1795 hwndChild = GetWindow(hwnd, GW_CHILD_W);
1796
1797 while(hwndChild)
1798 {
1799 Win32BaseWindow *child;
1800
1801 child = Win32BaseWindow::GetWindowFromHandle(hwndChild);
1802 if(!child) {
1803 dprintf(("ERROR: ScrollWindowEx, child %x not found", hwnd));
1804 return 0;
1805 }
1806 rectChild = *child->getWindowRect();
1807 if(!pRectUpdate || IntersectRect(&rectChild, &rectChild, &rc))
1808 {
1809 dprintf(("ScrollWindowEx: Scroll child window %x", hwndChild));
1810 child->ScrollWindow(dx, orgdy);
1811 }
1812 hwndChild = GetWindow(hwndChild, GW_HWNDNEXT_W);
1813 }
1814 dprintf(("***ScrollWindowEx: Scroll child windows DONE"));
1815 }
1816
1817 RECT winRectUpdate;
1818
1819 mapOS2ToWin32Rect(window->getWindowHeight(), (PRECTLOS2)&rectlUpdate, &winRectUpdate);
1820
1821 if (pRectUpdate)
1822 *pRectUpdate = winRectUpdate;
1823
1824 if (hrgnUpdate)
1825 rc = setPMRgnIntoWinRgn (hrgn, hrgnUpdate, window->getWindowHeight());
1826
1827#if 0
1828 //SvL: WinScrollWindow already invalidates the area; no need to do it again
1829 //(call to invalidateRect was wrong; has to include erase flag)
1830 if ((scrollFlag & SW_INVALIDATE_W) &&
1831 ((lComplexity == RGN_RECT) || (lComplexity == RGN_COMPLEX)))
1832 {
1833 rc = RedrawWindow (hwnd, &winRectUpdate, NULLHANDLE,
1834 RDW_ALLCHILDREN_W | RDW_INVALIDATE_W |
1835 ((scrollFlag & SW_ERASE_W) ? RDW_ERASE_W : 0) |
1836 RDW_UPDATENOW_W);
1837
1838// rc = InvalidateRect (hwnd, &winRectUpdate, (scrollFlag & SW_ERASE_W) ? 1 : 0);
1839 if (rc == FALSE)
1840 {
1841 return (0);
1842 }
1843 }
1844#endif
1845
1846 switch (lComplexity)
1847 {
1848 case RGN_NULL:
1849 regionType = NULLREGION_W;
1850 break;
1851 case RGN_RECT:
1852 regionType = SIMPLEREGION_W;
1853 break;
1854 case RGN_COMPLEX:
1855 regionType = COMPLEXREGION_W;
1856 break;
1857 default:
1858 regionType = ERROR_W;
1859 break;
1860 }
1861
1862 return (regionType);
1863}
1864//******************************************************************************
1865//******************************************************************************
1866BOOL WIN32API ScrollWindow(HWND hwnd, int dx, int dy, const RECT *pScroll, const RECT *pClip)
1867{
1868 Win32BaseWindow *window;
1869
1870 window = Win32BaseWindow::GetWindowFromHandle(hwnd);
1871 if(!window) {
1872 dprintf(("ScrollWindow, window %x not found", hwnd));
1873 return 0;
1874 }
1875 dprintf(("ScrollWindow %x %d %d %x %x", hwnd, dx, dy, pScroll, pClip));
1876 return (ERROR_W != ScrollWindowEx(hwnd, dx, dy, pScroll, pClip, 0, NULL,
1877 (pScroll ? 0 : SW_SCROLLCHILDREN_W) |
1878 SW_INVALIDATE_W ));
1879}
1880//******************************************************************************
1881//******************************************************************************
1882HWND WIN32API WindowFromDC(HDC hdc)
1883{
1884 pDCData pHps = (pDCData)GpiQueryDCData( (HPS)hdc );
1885
1886 dprintf2(("USER32: WindowFromDC %x", hdc));
1887 if ( pHps )
1888 return OS2ToWin32Handle(pHps->hwnd);
1889 else
1890 return 0;
1891}
1892//******************************************************************************
1893//******************************************************************************
1894#ifdef DEBUG
1895void dprintfOrigin(HDC hdc)
1896{
1897 POINTL point;
1898
1899 pDCData pHps = (pDCData)GpiQueryDCData((HPS)hdc);
1900 if(!pHps)
1901 {
1902 return;
1903 }
1904
1905 GreGetDCOrigin(pHps->hps, &point);
1906 dprintf(("HDC %x origin (%d,%d) org (%d,%d)", hdc, point.x, point.y, pHps->ptlOrigin.x, pHps->ptlOrigin.y));
1907}
1908#endif
1909//******************************************************************************
1910//******************************************************************************
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