source: trunk/src/user32/dc.cpp@ 5606

Last change on this file since 5606 was 5606, checked in by sandervl, 24 years ago

mouse message translation + dc reset after resize fixes
File size: 63.1 KB
Line 
1/* $Id: dc.cpp,v 1.97 2001-04-27 17:36:36 sandervl Exp $ */
2
3/*
4 * DC functions for USER32
5 *
6 * Project Odin Software License can be found in LICENSE.TXT
7 *
8 */
9
10/*****************************************************************************
11 * Includes *
12 *****************************************************************************/
13
14#include <odin.h>
15
16#define INCL_WIN
17#define INCL_GPI
18#define INCL_GREALL
19#define INCL_DEV
20#include <os2wrap.h>
21//#include <pmddi.h>
22#include <stdlib.h>
23
24#include <string.h>
25#include <win32type.h>
26#include <win32api.h>
27#include <winuser32.h>
28#include <winconst.h>
29#include <misc.h>
30#include <win32wbase.h>
31#include <math.h>
32#include <limits.h>
33#include "oslibwin.h"
34#include "oslibmsg.h"
35#include <dcdata.h>
36#include <codepage.h>
37#include <wingdi32.h>
38
39#define INCLUDED_BY_DC
40#include "dc.h"
41
42#define DBG_LOCALLOG DBG_dc
43#include "dbglocal.h"
44
45#ifndef DEVESC_SETPS
46 #define DEVESC_SETPS 49149L
47#endif
48
49#define FLOAT_TO_FIXED(x) ((FIXED) ((x) * 65536.0))
50#define MICRO_HPS_TO_HDC(x) ((x) & 0xFFFFFFFE)
51
52#define PMRECT_FROM_WINRECT( pmRect, winRect ) \
53{ \
54 (pmRect).xLeft = (winRect).left; \
55 (pmRect).yBottom = (winRect).bottom; \
56 (pmRect).xRight = (winRect).right; \
57 (pmRect).yTop = (winRect).top; \
58}
59
60#define WINRECT_FROM_PMRECT( winRect, pmRect ) \
61{ \
62 (winRect).left = (pmRect).xLeft; \
63 (winRect).top = (pmRect).yTop; \
64 (winRect).right = (pmRect).xRight; \
65 (winRect).bottom = (pmRect).yBottom; \
66}
67
68#define MEM_HPS_MAX 768
69
70const XFORM_W XFORMIdentity = { 1.0, 0.0, 0.0, 1.0, 0, 0 };
71const MATRIXLF matrixlfIdentity = { 0x10000, 0, 0, 0, 0x10000, 0, 0, 0, 0};
72
73BOOL setPageXForm(Win32BaseWindow *wnd, pDCData pHps);
74BOOL changePageXForm(Win32BaseWindow *wnd, pDCData pHps, PPOINTL pValue, int x, int y, PPOINTL pPrev);
75LONG clientHeight(Win32BaseWindow *wnd, HWND hwnd, pDCData pHps);
76
77#ifdef DEBUG
78#define dprintfRegion(a,b,c) if(DbgEnabledLvl2[DBG_LOCALLOG] == 1) dprintfRegion1(a,b,c)
79
80void dprintfRegion1(HPS hps, HWND hWnd, HRGN hrgnClip)
81{
82 RGNRECT rgnRect = {0, 16, 0, RECTDIR_LFRT_TOPBOT};
83 RECTL rectRegion[16];
84 APIRET rc;
85
86 dprintf(("dprintfRegion %x %x", hWnd, hps));
87 rc = GpiQueryRegionRects(hps, hrgnClip, NULL, &rgnRect, &rectRegion[0]);
88 for(int i=0;i<rgnRect.crcReturned;i++) {
89 dprintf(("(%d,%d)(%d,%d)", rectRegion[i].xLeft, rectRegion[i].yBottom, rectRegion[i].xRight, rectRegion[i].yTop));
90 }
91}
92#else
93#define dprintfRegion(a,b,c)
94#endif
95
96//******************************************************************************
97//******************************************************************************
98void WIN32API TestWideLine (pDCData pHps)
99{
100 const LOGPEN_W *pLogPen;
101
102 pHps->isWideLine = FALSE;
103 pLogPen = pHps->penIsExtPen ?
104 &(pHps->lastPenObject->ExtPen.logpen) :
105 &(pHps->lastPenObject->Pen.logpen);
106
107 if (((pLogPen->lopnStyle & PS_STYLE_MASK_W) != PS_NULL_W) &&
108 (pLogPen->lopnWidth.x > 0))
109 {
110 POINTL aptl[2] = { 0, 0, pLogPen->lopnWidth.x, pLogPen->lopnWidth.x };
111
112 GpiConvert(pHps->hps, CVTC_WORLD, CVTC_DEVICE, 2, aptl);
113
114 ULONG dx = abs(aptl[0].x - aptl[1].x);
115 ULONG dy = abs(aptl[0].y - aptl[1].y);
116
117 pHps->isWideLine = (dx > 1) || (dy > 1);
118 }
119}
120//******************************************************************************
121//******************************************************************************
122void WIN32API Calculate1PixelDelta(pDCData pHps)
123{
124 POINTL aptl[2] = {0, 0, 1, 1};
125
126 GpiConvert(pHps->hps, CVTC_DEVICE, CVTC_WORLD, 2, aptl);
127 pHps->worldYDeltaFor1Pixel = (int)(aptl[1].y - aptl[0].y);
128 pHps->worldXDeltaFor1Pixel = (int)(aptl[1].x - aptl[0].x); // 171182
129}
130//******************************************************************************
131//******************************************************************************
132int setMapMode(Win32BaseWindow *wnd, pDCData pHps, int mode)
133{
134 int prevMode = 0;
135 ULONG flOptions;
136
137 switch (mode)
138 {
139 case MM_HIENGLISH_W : flOptions = PU_HIENGLISH; break;
140 case MM_LOENGLISH_W : flOptions = PU_LOENGLISH; break;
141 case MM_HIMETRIC_W : flOptions = PU_HIMETRIC ; break;
142 case MM_LOMETRIC_W : flOptions = PU_LOMETRIC ; break;
143 case MM_TEXT_W : flOptions = PU_PELS ; break;
144 case MM_TWIPS_W : flOptions = PU_TWIPS ; break;
145 case MM_ANISOTROPIC_W: flOptions = PU_PELS ; break;
146 case MM_ISOTROPIC_W : flOptions = PU_LOMETRIC ; break;
147 default:
148 SetLastError(ERROR_INVALID_PARAMETER_W);
149 return FALSE;
150 }
151
152 prevMode = pHps->MapMode; /* store previous mode */
153 pHps->MapMode = mode;
154
155 if (mode == MM_TEXT_W)
156 {
157 pHps->viewportXExt =
158 pHps->viewportYExt = 1.0;
159 pHps->windowExt.cx =
160 pHps->windowExt.cy = 1;
161 }
162 else if (mode != MM_ANISOTROPIC_W)
163 {
164 RECTL rectl;
165 SIZEL sizel;
166 ULONG data[3];
167
168 data[0] = flOptions;
169 data[1] = data[2] = 0;
170
171 if (DevEscape(pHps->hdc ? pHps->hdc : pHps->hps, DEVESC_SETPS, 12, (PBYTE)data, 0, 0) == DEVESC_ERROR)
172 {
173 SetLastError(ERROR_INVALID_PARAMETER_W);
174 return 0;
175 }
176
177 GpiQueryPageViewport(pHps->hps, &rectl);
178 pHps->viewportXExt = (double)rectl.xRight;
179 pHps->viewportYExt = -(double)rectl.yTop;
180
181 GreGetPageUnits(pHps->hdc? pHps->hdc : pHps->hps, &sizel);
182 pHps->windowExt.cx = sizel.cx;
183 pHps->windowExt.cy = sizel.cy;
184
185 data[0] = PU_PELS;
186 DevEscape(pHps->hdc ? pHps->hdc : pHps->hps, DEVESC_SETPS, 12, (PBYTE)data, 0, 0);
187 }
188
189 if (((prevMode != MM_ISOTROPIC_W) && (prevMode != MM_ANISOTROPIC_W)) &&
190 ((mode == MM_ISOTROPIC_W) || (mode == MM_ANISOTROPIC_W)))
191 {
192 if (pHps->lWndXExtSave && pHps->lWndYExtSave)
193 {
194 changePageXForm (wnd, pHps, (PPOINTL)&pHps->windowExt,
195 pHps->lWndXExtSave, pHps->lWndYExtSave, NULL );
196 pHps->lWndXExtSave = pHps->lWndYExtSave = 0;
197 }
198 if (pHps->lVwpXExtSave && pHps->lVwpYExtSave)
199 {
200 changePageXForm (wnd, pHps, NULL,
201 pHps->lVwpXExtSave, pHps->lVwpYExtSave, NULL );
202 pHps->lVwpXExtSave = pHps->lVwpYExtSave = 0;
203 }
204 }
205
206 setPageXForm(wnd, pHps);
207
208 return prevMode;
209}
210//******************************************************************************
211//******************************************************************************
212BOOL setPageXForm(Win32BaseWindow *wnd, pDCData pHps)
213{
214 MATRIXLF mlf;
215 BOOL rc = TRUE;
216
217 pHps->height = clientHeight(wnd, 0, pHps) - 1;
218
219 double xScale = pHps->viewportXExt / (double)pHps->windowExt.cx;
220 double yScale = pHps->viewportYExt / (double)pHps->windowExt.cy;
221
222#if 0
223 mlf.fxM11 = FLOAT_TO_FIXED(1.0);
224 mlf.fxM12 = 0;
225 mlf.lM13 = 0;
226 mlf.fxM21 = 0;
227 mlf.fxM22 = FLOAT_TO_FIXED(1.0);
228 mlf.lM23 = 0;
229 mlf.lM31 = pHps->viewportOrg.x - (LONG)(pHps->windowOrg.x * xScale);
230 mlf.lM32 = pHps->viewportOrg.y - (LONG)(pHps->windowOrg.y * yScale);
231 mlf.lM33 = 1;
232
233//testestest
234 if(wnd && wnd->getWindowWidth() && wnd->getWindowHeight())
235 {
236 RECTL recttmp, rectviewold;
237
238 rc = GpiQueryPageViewport(pHps->hps, &rectviewold);
239 if(rc == 0) {
240 dprintf(("WARNING: GpiQueryPageViewport returned FALSE!!"));
241 }
242 recttmp.xLeft = 0;
243 recttmp.xRight = ((double)GetScreenWidth() / xScale);
244 recttmp.yBottom = 0;
245 recttmp.yTop = ((double)GetScreenHeight() / yScale);
246
247 if(recttmp.yTop != rectviewold.yTop ||
248 recttmp.xRight != rectviewold.xRight)
249 {
250 if(pHps->viewportYExt > pHps->windowExt.cy) {//scaling up means we have to invert the y values
251 recttmp.yBottom = GetScreenHeight() - recttmp.yTop;
252 recttmp.yTop = GetScreenHeight();
253 }
254 dprintf(("GpiSetPageViewport %x (%d,%d)(%d,%d) %f %f", pHps->hps, recttmp.xLeft, recttmp.yBottom, recttmp.xRight, recttmp.yTop, xScale, yScale));
255 rc = GpiSetPageViewport(pHps->hps, &recttmp);
256 if(rc == 0) {
257 dprintf(("WARNING: GpiSetPageViewport returned FALSE!!"));
258 }
259 }
260 }
261//testestest
262
263#else
264 mlf.fxM11 = FLOAT_TO_FIXED(xScale);
265 mlf.fxM12 = 0;
266 mlf.lM13 = 0;
267 mlf.fxM21 = 0;
268 mlf.fxM22 = FLOAT_TO_FIXED(yScale);
269 mlf.lM23 = 0;
270 mlf.lM31 = pHps->viewportOrg.x - (LONG)(pHps->windowOrg.x * xScale);
271 mlf.lM32 = pHps->viewportOrg.y - (LONG)(pHps->windowOrg.y * yScale);
272 mlf.lM33 = 1;
273#endif
274
275 pHps->isLeftLeft = mlf.fxM11 >= 0;
276 pHps->isTopTop = mlf.fxM22 >= 0;
277
278 BOOL bEnableYInversion = FALSE;
279 if ((mlf.fxM22 > 0) ||
280 ((pHps->graphicsMode == GM_ADVANCED_W) &&
281 ((pHps->MapMode == MM_ANISOTROPIC_W) ||
282 (pHps->MapMode == MM_ISOTROPIC_W))))
283 {
284 bEnableYInversion = TRUE;
285 }
286 else
287 {
288 bEnableYInversion = FALSE;
289 mlf.lM32 = pHps->HPStoHDCInversionHeight + pHps->height - mlf.lM32;
290 mlf.fxM22 = -mlf.fxM22;
291 }
292
293 if (!pHps->isMetaPS)
294// if ((!pHps->isMetaPS) ||
295// (pHps->pMetaFileObject && pHps->pMetaFileObject->isEnhanced()))
296 rc = GpiSetDefaultViewMatrix(pHps->hps, 8, &mlf, TRANSFORM_REPLACE);
297 if(rc == 0) {
298 dprintf(("WARNING: GpiSetDefaultViewMatrix returned FALSE!!"));
299 }
300#ifdef INVERT
301 if (bEnableYInversion)
302 GpiEnableYInversion(pHps->hps, pHps->height + pHps->HPStoHDCInversionHeight);
303 else
304 GpiEnableYInversion(pHps->hps, 0);
305#else
306 pHps->yInvert = 0;
307 if(bEnableYInversion)
308 {
309 pHps->yInvert4Enable = pHps->height + pHps->HPStoHDCInversionHeight;
310 if(pHps->isPrinter)
311 {
312 pHps->yInvert = pHps->yInvert4Enable
313 * (pHps->windowExt.cy / (double)pHps->viewportYExt);
314 } else {
315 pHps->yInvert = pHps->yInvert4Enable;
316 }
317 }
318#endif
319
320 TestWideLine(pHps);
321 Calculate1PixelDelta(pHps);
322 return rc;
323}
324//******************************************************************************
325//******************************************************************************
326BOOL changePageXForm(Win32BaseWindow *wnd, pDCData pHps, PPOINTL pValue, int x, int y, PPOINTL pPrev)
327{
328 BOOL result = FALSE;
329
330 if (pValue)
331 {
332 if (pPrev)
333 *pPrev = *pValue;
334
335 if ((pValue->x == x) && (pValue->y == y)) {
336 return TRUE;
337 }
338 pValue->x = x;
339 pValue->y = y;
340 }
341 else
342 {
343 if (pPrev)
344 {
345 pPrev->x = (int)pHps->viewportXExt;
346 pPrev->y = (int)pHps->viewportYExt;
347 }
348 pHps->viewportXExt = (double)x;
349 pHps->viewportYExt = (double)y;
350 }
351
352 if (pHps->MapMode == MM_ISOTROPIC_W)
353 {
354 double xExt = fabs(pHps->viewportXExt);
355 double yExt = fabs(pHps->viewportYExt);
356 double sf = fabs((double)pHps->windowExt.cx / pHps->windowExt.cy);
357
358 if (xExt > (yExt * sf))
359 {
360 xExt = yExt * sf;
361
362 if ((double)LONG_MAX <= xExt) return (result);
363
364 if (pHps->viewportXExt < 0.0)
365 pHps->viewportXExt = -xExt;
366 else
367 pHps->viewportXExt = xExt;
368 }
369 else
370 {
371 yExt = xExt / sf;
372
373 if ((double)LONG_MAX <= yExt) return (result);
374
375 if (pHps->viewportYExt < 0.0)
376 pHps->viewportYExt = -yExt;
377 else
378 pHps->viewportYExt = yExt;
379 }
380 }
381 result = setPageXForm(wnd, pHps);
382
383 return (result);
384}
385//******************************************************************************
386//******************************************************************************
387VOID removeClientArea(Win32BaseWindow *window, pDCData pHps)
388{
389 POINTL point;
390
391 // This function checks to see if a client area is currently selected, if
392 // it is the origin plus the visible region of the frame are restored.
393
394 pHps->isClient = FALSE;
395
396//// dprintfOrigin(pHps->hps);
397
398 if(pHps->isClientArea)
399 {
400 dprintf2(("removeClientArea %x: (%d,%d) -> (%d,%d)", window->getWindowHandle(), point.x, point.y, pHps->ptlOrigin.x, pHps->ptlOrigin.y));
401 pHps->isClientArea = FALSE;
402 GreSetupDC(pHps->hps,
403 pHps->hrgnVis,
404 pHps->ptlOrigin.x,
405 pHps->ptlOrigin.y,
406 0,
407 SETUPDC_ORIGIN | SETUPDC_VISRGN | SETUPDC_RECALCCLIP);
408 }
409//// else dprintf2(("removeClientArea: %x (%d,%d) (%d,%d)", window->getWindowHandle(), point.x, point.y, pHps->ptlOrigin.x, pHps->ptlOrigin.y));
410
411}
412//******************************************************************************
413//******************************************************************************
414void selectClientArea(Win32BaseWindow *window, pDCData pHps)
415{
416 // This function checks to see if the DC needs to be adjusted to a client
417 // area and makes the adjustment.
418 RECTL rcl, rcltemp;
419 HRGN hrgnRect, hrgnClip, hrgnOldClip = 0;
420 HWND hwnd;
421 LONG rc;
422 PRECT pClient = window->getClientRectPtr();
423 PRECT pWindow = window->getWindowRect();
424 RECT rectWindow;
425 RECTL rectWindowOS2;
426
427 if(!window->isOwnDCDirty() && (pClient->left == 0 && pClient->top == 0 &&
428 window->getClientHeight() == window->getWindowHeight() &&
429 window->getClientWidth() == window->getWindowWidth()))
430 {
431 //client rectangle = frame rectangle -> no change necessary
432 return;
433 }
434 pHps->isClient = TRUE;
435
436 hwnd = window->getOS2WindowHandle();
437
438 mapWin32ToOS2Rect(window->getWindowHeight(), window->getClientRectPtr(), (PRECTLOS2)&rcl);
439
440 GetWindowRect(window->getWindowHandle(), &rectWindow);
441 mapWin32ToOS2Rect(GetScreenHeight(), &rectWindow, (PRECTLOS2)&rectWindowOS2);
442 dprintf2(("frame (%d,%d)(%d,%d) hps height %d", rectWindowOS2.xLeft, rectWindowOS2.yBottom, rectWindowOS2.xRight, rectWindowOS2.yTop, pHps->height));
443
444 //convert to screen coordinates
445 GreGetDCOrigin(pHps->hps, (PPOINTL)&rcltemp);
446
447 if(pHps->isClientArea)
448 {
449 //TODO: counter
450 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));
451 GetWindowRect(window->getWindowHandle(), &rectWindow);
452 mapWin32ToOS2Rect(GetScreenHeight(), &rectWindow, (PRECTLOS2)&rectWindowOS2);
453 if(rectWindowOS2.xLeft + rcl.xLeft != rcltemp.xLeft ||
454 rectWindowOS2.yBottom + rcl.yBottom != rcltemp.yBottom)
455 {
456 dprintf2(("WARNING: origin changed (%d,%d) instead of (%d,%d)!", rcltemp.xLeft, rcltemp.yBottom, rectWindowOS2.xLeft + rcl.xLeft, rectWindowOS2.yBottom + rcl.yBottom));
457 rcl.xLeft += rectWindowOS2.xLeft;
458 rcl.xRight += rectWindowOS2.xLeft;
459 rcl.yTop += rectWindowOS2.yBottom;
460 rcl.yBottom += rectWindowOS2.yBottom;
461 }
462 else return;
463 }
464 else {
465 rcl.xLeft += rcltemp.xLeft;
466 rcl.xRight += rcltemp.xLeft;
467 rcl.yTop += rcltemp.yBottom;
468 rcl.yBottom += rcltemp.yBottom;
469
470 pHps->ptlOrigin.x = rcltemp.xLeft;
471 pHps->ptlOrigin.y = rcltemp.yBottom;
472 }
473 dprintf2(("selectClientArea %x: (%d,%d) -> (%d,%d)", window->getWindowHandle(), rcltemp.xLeft, rcltemp.yBottom, rcl.xLeft, rcl.yBottom));
474
475 if(pHps->hrgnVis == 0)
476 pHps->hrgnVis = GreCreateRectRegion(pHps->hps, &rcl, 1);
477
478 hrgnRect = GreCreateRectRegion(pHps->hps, &rcl, 1);
479#if 0
480 if(window->getParent())
481 {
482 HRGN hrgnParentClip;
483
484 pClient = window->getParent()->getClientRectPtr();
485 GetWindowRect(window->getParent()->getWindowHandle(), &rectWindow);
486 rectWindow.right = rectWindow.left + pClient->right;
487 rectWindow.left += pClient->left;
488 rectWindow.bottom = rectWindow.top + pClient->bottom;
489 rectWindow.top += pClient->top;
490 mapWin32ToOS2Rect(GetScreenHeight(), &rectWindow, (PRECTLOS2)&rectWindowOS2);
491
492 hrgnParentClip = GreCreateRectRegion(pHps->hps, &rectWindowOS2, 1);
493 GreCombineRegion(pHps->hps, hrgnRect, hrgnParentClip, hrgnRect, CRGN_AND);
494 GreDestroyRegion(pHps->hps, hrgnParentClip);
495 }
496#endif
497
498 // Query the visible region
499 GreCopyClipRegion(pHps->hps, pHps->hrgnVis, 0, COPYCRGN_VISRGN);
500 GpiQueryRegionBox(pHps->hps, pHps->hrgnVis, &rcltemp);
501 // And the visible region of the frame with the client rectangle
502 // to get the new visible region
503 GreCombineRegion(pHps->hps, hrgnRect, pHps->hrgnVis, hrgnRect, CRGN_AND);
504#ifdef DEBUG
505 dprintfRegion1(pHps->hps, window->getWindowHandle(), hrgnRect);
506#endif
507
508 // Set the new origin plus visible region in the DC
509 GreSetupDC(pHps->hps,
510 hrgnRect,
511 rcl.xLeft,
512 rcl.yBottom,
513 NULL,
514 SETUPDC_ORIGIN | SETUPDC_VISRGN | SETUPDC_RECALCCLIP);
515
516 // Destroy the region now we have finished with it.
517 GreDestroyRegion(pHps->hps, hrgnRect);
518
519 pHps->isClientArea = TRUE;
520
521 if(pClient->left == 0 && pClient->top == 0 &&
522 window->getClientHeight() == window->getWindowHeight() &&
523 window->getClientWidth() == window->getWindowWidth())
524 {
525 //client = frame, so no changes are necessary when switching between the two
526 pHps->isClient = FALSE;
527 pHps->isClientArea = FALSE;
528 }
529 if(window->isOwnDCDirty()) {
530 window->validateOwnDC();
531 setPageXForm(window, pHps);
532 }
533
534//testestest
535#if 0
536 GpiQueryViewingLimits(pHps->hps, &rectWindowOS2);
537 dprintf2(("view limits (%d,%d)(%d,%d)", rectWindowOS2.xLeft, rectWindowOS2.yBottom, rectWindowOS2.xRight, rectWindowOS2.yTop));
538 GpiQueryDefViewingLimits(pHps->hps, &rectWindowOS2);
539 dprintf2(("def view limits (%d,%d)(%d,%d)", rectWindowOS2.xLeft, rectWindowOS2.yBottom, rectWindowOS2.xRight, rectWindowOS2.yTop));
540 GpiQueryPageViewport(pHps->hps, &rectWindowOS2);
541 dprintf2(("page viewport (%d,%d)(%d,%d)", rectWindowOS2.xLeft, rectWindowOS2.yBottom, rectWindowOS2.xRight, rectWindowOS2.yTop));
542
543 GpiQueryBoundaryData(pHps->hps, &rectWindowOS2);
544 dprintf2(("boundary data (%d,%d)(%d,%d)", rectWindowOS2.xLeft, rectWindowOS2.yBottom, rectWindowOS2.xRight, rectWindowOS2.yTop));
545
546 GpiQueryGraphicsField(pHps->hps, &rectWindowOS2);
547 dprintf2(("graphics field (%d,%d)(%d,%d)", rectWindowOS2.xLeft, rectWindowOS2.yBottom, rectWindowOS2.xRight, rectWindowOS2.yTop));
548
549 SIZEL size;
550 GpiQueryPickApertureSize(pHps->hps, &size);
551 dprintf2(("page viewport (%d,%d)", size.cx, size.cy));
552
553 GpiQueryPS(pHps->hps, &size);
554 dprintf2(("page space (%d,%d)", size.cx, size.cy));
555#endif
556//testestest
557
558}
559//******************************************************************************
560//******************************************************************************
561void selectClientArea(Win32BaseWindow *wnd, HDC hdc)
562{
563 pDCData pHps = (pDCData)GpiQueryDCData (wnd->getOwnDC());
564
565 if (pHps != NULLHANDLE)
566 selectClientArea(wnd, pHps);
567}
568//******************************************************************************
569//******************************************************************************
570LONG clientHeight(Win32BaseWindow *wnd, HWND hwnd, pDCData pHps)
571{
572 if ((hwnd == 0) && (pHps != 0))
573 hwnd = pHps->hwnd;
574
575 if ((hwnd != 0) || (pHps == 0))
576 {
577 if(wnd) {
578 if(pHps && !pHps->isClientArea) {
579 return (wnd->getWindowHeight());
580 }
581 else return (wnd->getClientHeight());
582 }
583 else return OSLibQueryScreenHeight();
584 }
585 else if (pHps->bitmapHandle)
586 {
587 return pHps->bitmapHeight;
588 }
589 else if (pHps->isMetaPS)
590 {
591 return 0;
592 }
593 else if (pHps->isPrinter)
594 {
595 return pHps->printPageHeight;
596 }
597 else
598 {
599 return MEM_HPS_MAX;
600 }
601}
602//******************************************************************************
603//******************************************************************************
604BOOL WIN32API changePageXForm(pDCData pHps, PPOINTL pValue, int x, int y, PPOINTL pPrev)
605{
606 Win32BaseWindow *wnd;
607
608 wnd = Win32BaseWindow::GetWindowFromOS2Handle(pHps->hwnd);
609 return changePageXForm(wnd, pHps, pValue, x, y, pPrev);
610}
611//******************************************************************************
612//******************************************************************************
613BOOL WIN32API setPageXForm(pDCData pHps)
614{
615 Win32BaseWindow *wnd;
616
617 wnd = Win32BaseWindow::GetWindowFromOS2Handle(pHps->hwnd);
618 return setPageXForm(wnd, pHps);
619}
620//******************************************************************************
621//******************************************************************************
622VOID WIN32API removeClientArea(pDCData pHps)
623{
624 Win32BaseWindow *wnd;
625
626 wnd = Win32BaseWindow::GetWindowFromOS2Handle(pHps->hwnd);
627 if(wnd) {
628 removeClientArea(wnd, pHps);
629 }
630}
631//******************************************************************************
632//******************************************************************************
633VOID WIN32API selectClientArea(pDCData pHps)
634{
635 Win32BaseWindow *wnd;
636
637 wnd = Win32BaseWindow::GetWindowFromOS2Handle(pHps->hwnd);
638 if(wnd) {
639 selectClientArea(wnd, pHps);
640 }
641}
642//******************************************************************************
643//******************************************************************************
644VOID WIN32API checkOrigin(pDCData pHps)
645{
646 Win32BaseWindow *wnd;
647
648 wnd = Win32BaseWindow::GetWindowFromOS2Handle(pHps->hwnd);
649 if(wnd) {
650 dprintfOrigin(pHps->hps);
651 if(pHps->isClient)
652 selectClientArea(wnd, pHps);
653 }
654}
655//******************************************************************************
656//******************************************************************************
657LONG WIN32API clientHeight(HWND hwnd, pDCData pHps)
658{
659 Win32BaseWindow *wnd;
660
661 wnd = Win32BaseWindow::GetWindowFromOS2Handle(hwnd);
662 return clientHeight(wnd, hwnd, pHps);
663}
664//******************************************************************************
665//******************************************************************************
666int WIN32API setMapMode(pDCData pHps, int mode)
667{
668 Win32BaseWindow *wnd;
669
670 wnd = Win32BaseWindow::GetWindowFromOS2Handle(pHps->hwnd);
671 return setMapMode(wnd, pHps, mode);
672}
673//******************************************************************************
674//******************************************************************************
675BOOL isYup (pDCData pHps)
676{
677 if (((pHps->windowExt.cy < 0) && (pHps->viewportYExt > 0.0)) ||
678 ((pHps->windowExt.cy > 0) && (pHps->viewportYExt < 0.0)))
679 {
680 if ((pHps->graphicsMode == GM_COMPATIBLE_W) ||
681 ((pHps->graphicsMode == GM_ADVANCED_W) && (pHps->xform.eM22 >= 0.0)))
682 return TRUE;
683 }
684 else
685 {
686 if ((pHps->graphicsMode == GM_ADVANCED_W) && (pHps->xform.eM22 < 0.0))
687 return TRUE;
688 }
689 return FALSE;
690}
691//******************************************************************************
692//******************************************************************************
693INT revertDy (Win32BaseWindow *wnd, INT dy)
694{
695 //SvL: Hack for memory.exe (doesn't get repainted properly otherwise)
696// if (wnd->isOwnDC() && wnd->getOwnDC())
697 if (wnd->isOwnDC())
698 {
699 pDCData pHps = (pDCData)GpiQueryDCData (wnd->getOwnDC());
700
701 if (pHps != NULLHANDLE)
702 if (!isYup (pHps))
703 dy = -dy;
704 }
705 else
706 {
707 dy = -dy;
708 }
709 return (dy);
710}
711//******************************************************************************
712//******************************************************************************
713HDC sendEraseBkgnd (Win32BaseWindow *wnd)
714{
715 BOOL erased;
716 HWND hwnd;
717 HDC hdc;
718 HPS hps;
719 HRGN hrgnUpdate, hrgnOld, hrgnClip, hrgnCombined;
720 RECTL rectl = { 1, 1, 2, 2 };
721
722 hwnd = wnd->getOS2WindowHandle();
723 hps = WinGetPS(hwnd);
724
725 hrgnUpdate = GpiCreateRegion (hps, 1, &rectl);
726 WinQueryUpdateRegion (hwnd, hrgnUpdate);
727 hrgnClip = GpiQueryClipRegion (hps);
728
729 if (hrgnClip == NULLHANDLE)
730 {
731 GpiSetClipRegion (hps, hrgnUpdate, &hrgnOld);
732 }
733 else
734 {
735 hrgnCombined = GpiCreateRegion (hps, 1, &rectl);
736 GpiCombineRegion (hps, hrgnCombined, hrgnClip, hrgnUpdate, CRGN_AND);
737 GpiSetClipRegion (hps, hrgnCombined, &hrgnOld);
738 GpiDestroyRegion (hps, hrgnUpdate);
739 GpiDestroyRegion (hps, hrgnClip);
740 }
741 if (hrgnOld != NULLHANDLE)
742 GpiDestroyRegion (hps, hrgnOld);
743
744 hdc = HPSToHDC (hwnd, hps, NULL, NULL);
745
746 erased = wnd->MsgEraseBackGround (hdc);
747
748 DeleteHDC (hdc);
749 WinReleasePS (hps);
750
751 return erased;
752}
753//******************************************************************************
754//******************************************************************************
755void releaseOwnDC (HDC hps)
756{
757 pDCData pHps = (pDCData)GpiQueryDCData ((HPS)hps);
758
759 dprintf2(("releaseOwnDC %x", hps));
760
761 if (pHps) {
762 if (pHps->hrgnHDC)
763 GpiDestroyRegion (pHps->hps, pHps->hrgnHDC);
764
765 GpiSetBitmap (pHps->hps, NULL);
766 O32_DeleteObject (pHps->nullBitmapHandle);
767 GpiDestroyPS(pHps->hps);
768
769 if (pHps->hdc)
770 DevCloseDC(pHps->hdc);
771 }
772}
773//******************************************************************************
774//******************************************************************************
775HDC WIN32API BeginPaint (HWND hWnd, PPAINTSTRUCT_W lpps)
776{
777 HWND hwnd = hWnd ? hWnd : HWND_DESKTOP;
778 pDCData pHps = NULLHANDLE;
779 HPS hPS_ownDC = NULLHANDLE, hpsPaint = 0;
780 RECTL rectl = {0, 0, 1, 1};
781 HRGN hrgnOldClip;
782 LONG lComplexity;
783 RECTL rectlClient;
784 RECTL rectlClip;
785
786 if(lpps == NULL) {
787 //BeginPaint does NOT change last error in this case
788 //(verified in NT4, SP6)
789 dprintf (("USER32: BeginPaint %x NULL PAINTSTRUCT pointer", hWnd));
790 return 0;
791 }
792 memset(lpps, 0, sizeof(*lpps));
793
794 Win32BaseWindow *wnd = Win32BaseWindow::GetWindowFromHandle(hwnd);
795 if(!wnd) {
796 dprintf (("USER32: BeginPaint %x %x: invalid window handle!!", hWnd, lpps));
797 SetLastError(ERROR_INVALID_WINDOW_HANDLE_W); //(verified in NT4, SP6)
798 return (HDC)0;
799 }
800 HWND hwndClient = wnd->getOS2WindowHandle();
801
802 if(hwnd != HWND_DESKTOP && wnd->isOwnDC())
803 {
804 hPS_ownDC = wnd->getOwnDC();
805 //SvL: Hack for memory.exe (doesn't get repainted properly otherwise)
806 if(hPS_ownDC) {
807 pHps = (pDCData)GpiQueryDCData(hPS_ownDC);
808 if (!pHps)
809 {
810 dprintf (("USER32: BeginPaint %x invalid parameter %x", hWnd, lpps));
811 SetLastError(ERROR_INVALID_PARAMETER_W);
812 return (HDC)NULLHANDLE;
813 }
814 hpsPaint = hPS_ownDC;
815 }
816 }
817 if(!hpsPaint) {
818 hpsPaint = GetDCEx(hwnd, 0, (DCX_CACHE_W|DCX_WINDOW_W|DCX_USESTYLE_W));
819 pHps = (pDCData)GpiQueryDCData(hpsPaint);
820 if (!pHps)
821 {
822 dprintf (("USER32: BeginPaint %x invalid parameter %x", hWnd, lpps));
823 SetLastError(ERROR_INVALID_PARAMETER_W);
824 return (HDC)NULLHANDLE;
825 }
826 }
827
828 if(WinQueryUpdateRect(hwndClient, &rectl) == FALSE) {
829 memset(&rectl, 0, sizeof(rectl));
830 dprintf (("USER32: WARNING: WinQueryUpdateRect failed (error or no update rectangle)!!"));
831
832 HRGN hrgnClip = GpiCreateRegion(pHps->hps, 1, &rectl);
833 GpiSetClipRegion(pHps->hps, hrgnClip, &hrgnOldClip);
834
835 selectClientArea(wnd, pHps);
836
837 //save old clip region (restored for CS_OWNDC windows in EndPaint)
838 wnd->SetClipRegion(hrgnOldClip);
839 lComplexity = RGN_NULL;
840 }
841 else {
842 rectlClip.yBottom = rectlClip.xLeft = 0;
843 rectlClip.yTop = rectlClip.xRight = 1;
844
845 //Query update region
846 HRGN hrgnClip = GpiCreateRegion(pHps->hps, 1, &rectlClip);
847 WinQueryUpdateRegion(hwndClient, hrgnClip);
848 WinValidateRegion(hwndClient, hrgnClip, FALSE);
849
850 mapWin32ToOS2Rect(wnd->getWindowHeight(), wnd->getClientRectPtr(), (PRECTLOS2)&rectlClient);
851 WinIntersectRect(NULL, &rectlClip, &rectl, &rectlClient);
852 WinOffsetRect(NULL, &rectlClip, -rectlClient.xLeft, -rectlClient.yBottom);
853
854 //clip update region with client window rectangle
855 HRGN hrgnClient = GpiCreateRegion(pHps->hps, 1, &rectlClient);
856 GpiCombineRegion(pHps->hps, hrgnClip, hrgnClip, hrgnClient, CRGN_AND);
857 GpiDestroyRegion(pHps->hps, hrgnClient);
858
859 //change origin of clip region (window -> client)
860 POINTL point = {-rectlClient.xLeft, -rectlClient.yBottom};
861 GpiOffsetRegion(pHps->hps, hrgnClip, &point);
862#ifdef DEBUG
863 dprintfRegion1(pHps->hps, hWnd, hrgnClip);
864#endif
865 //set clip region
866 lComplexity = GpiSetClipRegion(pHps->hps, hrgnClip, &hrgnOldClip);
867
868 //change presentation space for client window
869 //NOTE: MUST do this after GpiSetClipRegion call!
870 // When a window with CS_OWNDC looses focus, for some reason
871 // GpiSetClipRegion resets the window dc origin back to (0,0)
872 selectClientArea(wnd, pHps);
873
874 GpiQueryClipBox(pHps->hps, &rectl);
875 dprintf(("ClipBox (%d): (%d,%d)(%d,%d)", lComplexity, rectl.xLeft, rectl.yBottom, rectl.xRight, rectl.yTop));
876
877 //save old clip region (restored for CS_OWNDC windows in EndPaint)
878 wnd->SetClipRegion(hrgnOldClip);
879 memcpy(&rectl, &rectlClip, sizeof(RECTL));
880 lComplexity = RGN_RECT;
881 }
882
883 if(hPS_ownDC == 0)
884 setMapMode (wnd, pHps, MM_TEXT_W);
885 else
886 setPageXForm(wnd, pHps);
887
888 pHps->hdcType = TYPE_3;
889
890 HideCaret(hwnd);
891 WinShowTrackRect(wnd->getOS2WindowHandle(), FALSE);
892
893 if(wnd->needsEraseBkgnd() && lComplexity != RGN_NULL) {
894 wnd->setEraseBkgnd(FALSE);
895 lpps->fErase = (wnd->MsgEraseBackGround(pHps->hps) == 0);
896 }
897 else lpps->fErase = TRUE;
898
899 dprintfOrigin(pHps->hps);
900
901 lpps->hdc = (HDC)pHps->hps;
902
903 if(lComplexity != RGN_NULL) {
904 long height = wnd->getClientHeight();
905 lpps->rcPaint.top = height - rectl.yTop;
906 lpps->rcPaint.left = rectl.xLeft;
907 lpps->rcPaint.bottom = height - rectl.yBottom;
908 lpps->rcPaint.right = rectl.xRight;
909 }
910 else {
911 lpps->rcPaint.bottom = lpps->rcPaint.top = 0;
912 lpps->rcPaint.right = lpps->rcPaint.left = 0;
913 }
914
915 SetLastError(0);
916 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));
917 return (HDC)pHps->hps;
918}
919//******************************************************************************
920//******************************************************************************
921BOOL WIN32API EndPaint (HWND hWnd, const PAINTSTRUCT_W *pPaint)
922{
923 HWND hwnd = hWnd ? hWnd : HWND_DESKTOP;
924 HRGN hrgnOld;
925 pDCData pHps;
926
927 dprintf (("USER32: EndPaint(%x)", hwnd));
928
929 if (!pPaint || !pPaint->hdc )
930 return TRUE;
931
932 Win32BaseWindow *wnd = Win32BaseWindow::GetWindowFromHandle(hwnd);
933
934 if (!wnd) goto exit;
935
936 pHps = (pDCData)GpiQueryDCData((HPS)pPaint->hdc);
937 if (pHps && (pHps->hdcType == TYPE_3))
938 {
939 dprintfOrigin(pHps->hps);
940
941 GpiSetClipRegion(pHps->hps, wnd->GetClipRegion(), &hrgnOld);
942 wnd->SetClipRegion(0);
943 if(hrgnOld) {
944 GpiDestroyRegion(pHps->hps, hrgnOld);
945 }
946 pHps->hdcType = TYPE_1; //otherwise Open32's ReleaseDC fails
947 ReleaseDC(hwnd, pPaint->hdc);
948 }
949 else {
950 dprintf(("EndPaint: wrong hdc %x!!", pPaint->hdc));
951 }
952 wnd->setEraseBkgnd(TRUE);
953 ShowCaret(hwnd);
954 WinShowTrackRect(wnd->getOS2WindowHandle(), TRUE);
955
956exit:
957 SetLastError(0);
958 return TRUE;
959}
960//******************************************************************************
961//******************************************************************************
962int WIN32API ReleaseDC (HWND hwnd, HDC hdc)
963{
964 BOOL isOwnDC = FALSE;
965 int rc;
966
967 if (hwnd)
968 {
969 Win32BaseWindow *wnd = Win32BaseWindow::GetWindowFromHandle (hwnd);
970 if(wnd == NULL) {
971 dprintf(("ERROR: ReleaseDC %x %x failed", hwnd, hdc));
972 return 0;
973 }
974 isOwnDC = wnd->isOwnDC() && (wnd->getOwnDC() == hdc);
975 if(!isOwnDC)
976 {
977 pDCData pHps = (pDCData)GpiQueryDCData((HPS)hdc);
978 if(pHps && pHps->psType == MICRO_CACHED) {
979 removeClientArea(wnd, pHps);
980 if(pHps->hrgnVis) {
981 GreDestroyRegion(pHps->hps, pHps->hrgnVis);
982 pHps->hrgnVis = 0;
983 }
984 }
985 else {
986 dprintf(("ERROR: ReleaseDC: pHps == NULL!!"));
987 DebugInt3();
988 }
989 }
990 else {
991 dprintf2(("ReleaseDC: CS_OWNDC, not released"));
992 }
993 }
994
995 if(isOwnDC) {
996 rc = TRUE;
997 }
998 else {
999 UnselectGDIObjects(hdc);
1000 rc = O32_ReleaseDC (0, hdc);
1001 }
1002
1003 dprintf(("ReleaseDC %x %x", hwnd, hdc));
1004 return (rc);
1005}
1006//******************************************************************************
1007// This implementation of GetDCEx supports
1008// DCX_WINDOW
1009// DCX_CACHE
1010// DCX_EXCLUDERGN (complex regions allowed)
1011// DCX_INTERSECTRGN (complex regions allowed)
1012// DCX_USESTYLE
1013// DCX_CLIPSIBLINGS
1014// DCX_CLIPCHILDREN
1015// DCX_PARENTCLIP
1016//
1017//TODO: WM_SETREDRAW affects drawingAllowed flag!!
1018//******************************************************************************
1019HDC WIN32API GetDCEx (HWND hwnd, HRGN hrgn, ULONG flags)
1020{
1021 Win32BaseWindow *wnd = NULL;
1022 HWND hWindow;
1023 BOOL success;
1024 pDCData pHps = NULL;
1025 HPS hps = NULLHANDLE;
1026 BOOL drawingAllowed = TRUE;
1027 BOOL isWindowOwnDC;
1028 BOOL creatingOwnDC = FALSE;
1029 PS_Type psType;
1030
1031 if(hwnd == 0) {
1032 dprintf(("error: GetDCEx window %x not found", hwnd));
1033 SetLastError(ERROR_INVALID_WINDOW_HANDLE_W);
1034 return 0;
1035 }
1036
1037 if (hwnd)
1038 {
1039 wnd = Win32BaseWindow::GetWindowFromHandle(hwnd);
1040 if(wnd == NULL) {
1041 dprintf (("ERROR: User32: GetDCEx bad window handle %X!!!!!", hwnd));
1042 SetLastError(ERROR_INVALID_WINDOW_HANDLE_W);
1043 return 0;
1044 }
1045 hWindow = wnd->getOS2WindowHandle();
1046 }
1047
1048 isWindowOwnDC = (((hWindow == HWND_DESKTOP) ? FALSE : (wnd->isOwnDC()))
1049 && !(flags & (DCX_CACHE_W|DCX_WINDOW_W)));
1050
1051 if(isWindowOwnDC) //own dc always for client area
1052 {
1053 hps = wnd->getOwnDC();
1054 if (hps)
1055 {
1056 pDCData pHps = (pDCData)GpiQueryDCData (hps);
1057 if (!pHps)
1058 goto error;
1059
1060 selectClientArea(wnd, pHps);
1061
1062 //TODO: Is this always necessary??
1063 setPageXForm (wnd, pHps);
1064 pHps->hdcType = TYPE_1;
1065
1066 //TODO: intersect/exclude clip region?
1067 dprintf (("User32: GetDCEx hwnd %x (%x %x) -> wnd %x hdc %x", hwnd, hrgn, flags, wnd, hps));
1068 return (HDC)hps;
1069 }
1070 else
1071 creatingOwnDC = TRUE;
1072 }
1073
1074 if(isWindowOwnDC)
1075 {
1076 SIZEL sizel = {0,0};
1077 hps = GpiCreatePS (WinQueryAnchorBlock (hWindow),
1078 WinOpenWindowDC (hWindow),
1079 &sizel, PU_PELS | GPIT_MICRO | GPIA_ASSOC );
1080 psType = MICRO;
1081 // default cp is OS/2 one: set to windows default (ODIN.INI)
1082 GpiSetCp(hps, GetDisplayCodepage());
1083 }
1084 else
1085 {
1086 if (hWindow == HWND_DESKTOP) {
1087 hps = WinGetScreenPS (hWindow);
1088 }
1089 else {
1090 int clipstyle = 0;
1091 int clipwnd = HWND_TOP;
1092 if(flags & (DCX_USESTYLE_W)) {
1093 int style = wnd->getStyle();
1094 if(style & WS_CLIPCHILDREN_W) {
1095 clipstyle |= PSF_CLIPCHILDREN;
1096 }
1097 if(style & WS_CLIPSIBLINGS_W) {
1098 clipstyle |= PSF_CLIPSIBLINGS;
1099 }
1100 if(wnd->fHasParentDC()) {
1101 clipstyle |= PSF_PARENTCLIP;
1102 }
1103 }
1104 if(flags & DCX_CLIPSIBLINGS_W) {
1105 clipstyle |= PSF_CLIPSIBLINGS;
1106 }
1107 if(flags & DCX_CLIPCHILDREN_W) {
1108 clipstyle |= PSF_CLIPCHILDREN;
1109 }
1110 if(flags & DCX_PARENTCLIP_W) {
1111 clipstyle |= PSF_PARENTCLIP;
1112 }
1113 if(clipstyle) {
1114 dprintf2(("WinGetClipPS style %x", clipstyle));
1115 hps = WinGetClipPS(hWindow, clipwnd, clipstyle);
1116 }
1117 else hps = WinGetPS (hWindow);
1118
1119 // default cp is OS/2 one: set to windows default (ODIN.INI)
1120 GpiSetCp(hps, GetDisplayCodepage());
1121 }
1122 psType = MICRO_CACHED;
1123 }
1124
1125 if (!hps)
1126 goto error;
1127
1128 HPSToHDC (hWindow, hps, NULL, NULL);
1129 pHps = (pDCData)GpiQueryDCData (hps);
1130
1131 if(!(flags & DCX_WINDOW_W))
1132 {
1133 selectClientArea(wnd, pHps);
1134 }
1135 else removeClientArea(wnd, pHps);
1136
1137 setMapMode(wnd, pHps, MM_TEXT_W);
1138
1139 if ((flags & DCX_EXCLUDERGN_W) || (flags & DCX_INTERSECTRGN_W))
1140 {
1141 ULONG BytesNeeded;
1142 PRGNDATA RgnData;
1143 PRECT pr;
1144 int i;
1145 RECTL rectl;
1146
1147 if (!hrgn)
1148 goto error;
1149
1150 success = TRUE;
1151 if (flags & DCX_EXCLUDERGN_W)
1152 {
1153#if 0 //CB: todo
1154 long height;
1155
1156 BytesNeeded = GetRegionData (hrgn, 0, NULL);
1157 RgnData = (PRGNDATA_W)_alloca (BytesNeeded);
1158 if (RgnData == NULL)
1159 goto error;
1160 GetRegionData (hrgn, BytesNeeded, RgnData);
1161
1162 i = RgnData->rdh.nCount;
1163 pr = (PRECT)(RgnData->Buffer);
1164
1165 if (flags & DCX_WINDOW_W)
1166 height = wnd->getWindowHeight();
1167 else height = wnd->getClientHeight();
1168
1169 for (; (i > 0) && success; i--, pr++) {
1170 LONG y = pr->yBottom;
1171
1172 pr->yBottom = height - pr->yTop;
1173 pr->yTop = height - y;
1174 success &= GpiExcludeClipRectangle (pHps->hps, pr);
1175 }
1176#endif
1177 }
1178 else //DCX_INTERSECTRGN_W
1179 {
1180 //SvL: I'm getting paint problems when clipping a dc created in GetDCEx
1181 // with a region that covers the entire window (RealPlayer 7 Update 1)
1182 // Using SelectClipRgn here doesn't make any difference.
1183 if(ExtSelectClipRgn(pHps->hps, hrgn, RGN_AND_W) == ERROR_W) {
1184 dprintf(("ExtSelectClipRgn failed!!"));
1185 }
1186 }
1187 if (!success)
1188 goto error;
1189 }
1190
1191 if (creatingOwnDC)
1192 wnd->setOwnDC ((HDC)hps);
1193
1194 pHps->psType = psType;
1195 pHps->hdcType = TYPE_1;
1196 //TODO: WM_SETREDRAW affects drawingAllowed flag!!
1197 GpiSetDrawControl (hps, DCTL_DISPLAY, drawingAllowed ? DCTL_ON : DCTL_OFF);
1198
1199 dprintf (("User32: GetDCEx hwnd %x (%x %x) -> hdc %x", hwnd, hrgn, flags, pHps->hps));
1200 return (HDC)pHps->hps;
1201
1202error:
1203 /* Something went wrong; clean up
1204 */
1205 dprintf(("ERROR: GetDCEx hwnd %x (%x %x) FAILED!", hwnd, hrgn, flags));
1206 DebugInt3();
1207 if (pHps)
1208 {
1209 if (pHps->hps)
1210 {
1211 if(pHps->psType == MICRO_CACHED)
1212 WinReleasePS(pHps->hps);
1213 else
1214 GpiDestroyPS(pHps->hps);
1215 }
1216
1217 if (pHps->hdc) DevCloseDC(pHps->hdc);
1218 if (pHps->hrgnHDC) GpiDestroyRegion(pHps->hps, pHps->hrgnHDC);
1219
1220 O32_DeleteObject (pHps->nullBitmapHandle);
1221 }
1222 SetLastError(ERROR_INVALID_PARAMETER_W);
1223 return NULL;
1224}
1225//******************************************************************************
1226//******************************************************************************
1227HDC WIN32API GetDC (HWND hwnd)
1228{
1229 if(!hwnd)
1230 return GetDCEx( GetDesktopWindow(), 0, DCX_CACHE_W | DCX_WINDOW_W );
1231 return GetDCEx (hwnd, NULL, 0);
1232}
1233//******************************************************************************
1234//******************************************************************************
1235HDC WIN32API GetWindowDC (HWND hwnd)
1236{
1237 if (!hwnd) hwnd = GetDesktopWindow();
1238 return GetDCEx (hwnd, NULL, DCX_WINDOW_W);
1239}
1240//******************************************************************************
1241//Helper for RedrawWindow (RDW_ALLCHILDREN_W)
1242//******************************************************************************
1243LRESULT WIN32API RedrawChildEnumProc(HWND hwnd, LPARAM lParam)
1244{
1245 RedrawWindow(hwnd, NULL, 0, lParam);
1246 return TRUE;
1247}
1248//******************************************************************************
1249// This implementation of RedrawWindow supports
1250// RDW_ERASE
1251// RDW_NOERASE
1252// RDW_INTERNALPAINT
1253// RDW_NOINTERNALPAINT
1254// RDW_INVALIDATE
1255// RDW_VALIDATE
1256// RDW_ERASENOW
1257// RDW_UPDATENOW
1258// RDW_FRAME
1259//
1260//TODO: Works ok for RDW_FRAME??
1261//******************************************************************************
1262BOOL WIN32API RedrawWindow(HWND hwnd, const RECT* pRect, HRGN hrgn, DWORD redraw)
1263{
1264 Win32BaseWindow *wnd;
1265
1266 if(pRect) {
1267 dprintf(("RedrawWindow %x (%d,%d)(%d,%d) %x %x", hwnd, pRect->left, pRect->top, pRect->right, pRect->bottom, hrgn, redraw));
1268 }
1269 else dprintf(("RedrawWindow %x %x %x %x", hwnd, pRect, hrgn, redraw));
1270
1271 if (hwnd == NULLHANDLE)
1272 {
1273#if 1
1274 // Don't do this for now (causes lots of desktop repaints in WordPad)
1275 SetLastError(ERROR_INVALID_PARAMETER_W);
1276 return FALSE;
1277#else
1278 hwnd = HWND_DESKTOP;
1279 wnd = Win32BaseWindow::GetWindowFromOS2Handle(OSLIB_HWND_DESKTOP);
1280
1281 if (!wnd)
1282 {
1283 dprintf(("USER32:dc: RedrawWindow can't find desktop window %08xh\n",
1284 hwnd));
1285 SetLastError(ERROR_INVALID_PARAMETER_W);
1286 return FALSE;
1287 }
1288#endif
1289 }
1290 else
1291 {
1292 wnd = Win32BaseWindow::GetWindowFromHandle (hwnd);
1293
1294 if (!wnd)
1295 {
1296 dprintf(("USER32:dc: RedrawWindow can't find window %08xh\n",
1297 hwnd));
1298 SetLastError(ERROR_INVALID_PARAMETER_W);
1299 return FALSE;
1300 }
1301 hwnd = wnd->getOS2WindowHandle();
1302 }
1303
1304 BOOL IncludeChildren = (redraw & RDW_ALLCHILDREN_W) ? TRUE : FALSE;
1305 BOOL success = TRUE;
1306 HPS hpsTemp = NULLHANDLE;
1307 HRGN hrgnTemp = NULLHANDLE;
1308 RECTL rectl;
1309
1310 if (hrgn)
1311 {
1312 ULONG BytesNeeded;
1313 PRGNDATA RgnData;
1314 PRECTL pr;
1315 int i;
1316 LONG height;
1317
1318 if(wnd) {
1319 height = (redraw & RDW_FRAME_W) ? wnd->getWindowHeight() : wnd->getClientHeight();
1320 }
1321 else height = OSLibQueryScreenHeight();
1322
1323 if (!hrgn)
1324 goto error;
1325
1326 BytesNeeded = GetRegionData (hrgn, 0, NULL);
1327 RgnData = (PRGNDATA)_alloca (BytesNeeded);
1328 if (RgnData == NULL)
1329 goto error;
1330 GetRegionData (hrgn, BytesNeeded, RgnData);
1331
1332 pr = (PRECTL)(RgnData->Buffer);
1333 for (i = RgnData->rdh.nCount; i > 0; i--, pr++) {
1334 LONG temp = pr->yTop;
1335 pr->yTop = height - pr->yBottom;
1336 pr->yBottom = height - temp;
1337 dprintf2(("RedrawWindow: region (%d,%d) (%d,%d)", pr->xLeft, pr->yBottom, pr->xRight, pr->yTop));
1338 }
1339
1340 hpsTemp = WinGetScreenPS (HWND_DESKTOP);
1341 hrgnTemp = GpiCreateRegion (hpsTemp, RgnData->rdh.nCount, (PRECTL)(RgnData->Buffer));
1342 if (!hrgnTemp) goto error;
1343 }
1344 else if (pRect)
1345 {
1346 if(wnd) {
1347 if(redraw & RDW_FRAME_W) {
1348 mapWin32ToOS2Rect(wnd->getWindowHeight(), (PRECT)pRect, (PRECTLOS2)&rectl);
1349 }
1350 else mapWin32ToOS2RectClientToFrame(wnd, (PRECT)pRect, (PRECTLOS2)&rectl);
1351 }
1352 else mapWin32ToOS2Rect(OSLibQueryScreenHeight(), (PRECT)pRect, (PRECTLOS2)&rectl);
1353 }
1354
1355 if (redraw & RDW_INVALIDATE_W)
1356 {
1357 //TODO: SvL: pingpong.exe doesn't have RDW_NOERASE, but doesn't want WM_ERASEBKGND msgs
1358 if (redraw & RDW_ERASE_W) {
1359 wnd->setEraseBkgnd(TRUE);
1360 }
1361 else
1362 if (redraw & RDW_NOERASE_W)
1363 wnd->setEraseBkgnd(FALSE);
1364
1365 if (!pRect && !hrgn)
1366 success = WinInvalidateRect (hwnd, NULL, IncludeChildren);
1367 else
1368 if (hrgn) {
1369 success = WinInvalidateRegion (hwnd, hrgnTemp, IncludeChildren);
1370 if(IncludeChildren && WinQueryUpdateRect(hwnd, NULL) == FALSE) {
1371 dprintf(("WARNING: WinQueryUpdateRect %x region %x returned false even though we just invalidated part of a window!!!", hwnd, hrgnTemp));
1372 success = success = WinInvalidateRegion (hwnd, hrgnTemp, FALSE);
1373 }
1374 }
1375 else {
1376 dprintf2(("WinInvalidateRect (%d,%d)(%d,%d)", rectl.xLeft, rectl.yBottom, rectl.xRight, rectl.yTop));
1377 success = WinInvalidateRect (hwnd, &rectl, IncludeChildren);
1378//SvL: If all children are included, then WinInvalidateRect is called
1379// with fIncludeChildren=1 -> rect of hwnd isn't invalidated if child(ren)
1380// overlap(s) the specified rectangle completely (EVEN if window doesn't
1381// have WS_CLIPCHILREN!)
1382// -> example: XWing vs Tie Fighter install window
1383// WinInvalidateRect with fIncludeChildren=0 invalidates both the parent
1384// and child windows
1385//SvL: Can't always set fIncludeChildren to FALSE or else some controls in
1386// the RealPlayer setup application aren't redrawn when invalidating
1387// their parent
1388// SO: Check if IncludeChildren is set and part of the window is invalid
1389// If not -> call WinInvalidateRect with IncludeChildren=0 to force
1390// the window rectangle to be invalidated
1391//
1392 if(IncludeChildren && WinQueryUpdateRect(hwnd, NULL) == FALSE) {
1393 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));
1394 success = WinInvalidateRect (hwnd, &rectl, FALSE);
1395 }
1396 }
1397
1398 if (!success) goto error;
1399 }
1400 else if (redraw & RDW_VALIDATE_W)
1401 {
1402 if (redraw & RDW_NOERASE_W)
1403 wnd->setEraseBkgnd(FALSE);
1404
1405 if (WinQueryUpdateRect (hwnd, NULL))
1406 {
1407 if(!pRect && !hrgn) {
1408 success = WinValidateRect (hwnd, NULL, IncludeChildren);
1409 }
1410 else
1411 if(hrgn) {
1412 success = WinValidateRegion (hwnd, hrgnTemp, IncludeChildren);
1413 }
1414 else {
1415 success = WinValidateRect (hwnd, &rectl, IncludeChildren);
1416 }
1417 if(!success) goto error;
1418 }
1419 }
1420
1421 if(WinQueryUpdateRect(hwnd, NULL))
1422 {
1423 //TODO: Does this work if RDW_ALLCHILDREN is set??
1424 if(redraw & RDW_UPDATENOW_W) {
1425 wnd->MsgNCPaint();
1426 wnd->MsgPaint(0, FALSE);
1427 }
1428 else
1429// if((redraw & RDW_ERASE_W) && (redraw & RDW_ERASENOW_W))
1430 if(redraw & RDW_ERASENOW_W && wnd->needsEraseBkgnd())
1431 wnd->setEraseBkgnd(sendEraseBkgnd(wnd) == 0);
1432// if(redraw & RDW_ALLCHILDREN_W) {
1433// EnumChildWindows(wnd->getWindowHandle(), RedrawChildEnumProc, redraw);
1434// }
1435 }
1436 else if((redraw & RDW_INTERNALPAINT_W) && !(redraw & RDW_INVALIDATE_W))
1437 {
1438 if(redraw & RDW_UPDATENOW_W) {
1439 wnd->MsgNCPaint();
1440 wnd->MsgPaint (0, FALSE);
1441 }
1442 else PostMessageA(hwnd, WINWM_PAINT, 0, 0);
1443 }
1444
1445error:
1446 /* clean up */
1447 if (hrgnTemp)
1448 GpiDestroyRegion (hpsTemp, hrgnTemp);
1449
1450 if (hpsTemp)
1451 WinReleasePS (hpsTemp);
1452
1453 if (!success) {
1454 dprintf(("RedrawWindow failure!"));
1455 SetLastError(ERROR_INVALID_PARAMETER_W);
1456 }
1457 return (success);
1458}
1459//******************************************************************************
1460//******************************************************************************
1461BOOL WIN32API UpdateWindow (HWND hwnd)
1462{
1463 Win32BaseWindow *wnd = Win32BaseWindow::GetWindowFromHandle (hwnd);
1464
1465 if(!wnd) {
1466 SetLastError(ERROR_INVALID_WINDOW_HANDLE_W);
1467 return FALSE;
1468 }
1469
1470 dprintf (("User32: UpdateWindow hwnd %x", hwnd));
1471//SvL: This doesn't work right (Wine uses RDW_NOCHILDREN_W -> doesn't work here)
1472// Breaks vpbuddy
1473// return RedrawWindow(hwnd, NULL, 0, RDW_UPDATENOW_W | RDW_ALLCHILDREN_W);
1474// -> RDW_UPDATENOW causes WM_PAINT messages to be directy posted to window
1475// handler; possibly bypassing queued WM_PAINT messages for parent window(s)
1476// -> out of sync painting (i.e. parent paints over child)
1477 WinUpdateWindow(wnd->getOS2WindowHandle());
1478 return TRUE;
1479}
1480//******************************************************************************
1481//******************************************************************************
1482BOOL WIN32API ValidateRect( HWND hwnd, const RECT * lprc)
1483{
1484 if(lprc) {
1485 dprintf(("USER32: ValidateRect %x (%d,%d)(%d,%d)", hwnd, lprc->left, lprc->top, lprc->right, lprc->bottom));
1486 }
1487 else dprintf(("USER32: ValidateRect %x", hwnd));
1488
1489 return RedrawWindow( hwnd, lprc, 0, RDW_VALIDATE_W | RDW_NOCHILDREN_W | (hwnd==0 ? RDW_UPDATENOW_W : 0));
1490}
1491//******************************************************************************
1492//******************************************************************************
1493BOOL WIN32API ValidateRgn( HWND hwnd, HRGN hrgn)
1494{
1495 dprintf(("USER32: ValidateRgn %x %x", hwnd, hrgn));
1496 return RedrawWindow( hwnd, NULL, hrgn, RDW_VALIDATE_W | RDW_NOCHILDREN_W | (hwnd==0 ? RDW_UPDATENOW_W : 0));
1497}
1498//******************************************************************************
1499//******************************************************************************
1500BOOL WIN32API InvalidateRect (HWND hwnd, const RECT *pRect, BOOL erase)
1501{
1502 BOOL result;
1503
1504 if(pRect) {
1505 dprintf(("InvalidateRect %x (%d,%d)(%d,%d) erase=%d", hwnd, pRect->left, pRect->top, pRect->right, pRect->bottom, erase));
1506 }
1507 else dprintf(("InvalidateRect %x NULL erase=%d", hwnd, erase));
1508#if 1
1509 result = RedrawWindow (hwnd, pRect, NULLHANDLE,
1510 RDW_ALLCHILDREN_W | RDW_INVALIDATE_W |
1511 (erase ? RDW_ERASE_W : 0) |
1512 (hwnd == NULLHANDLE ? RDW_UPDATENOW_W : 0));
1513#else
1514 result = RedrawWindow (hwnd, pRect, NULLHANDLE,
1515 RDW_ALLCHILDREN_W | RDW_INVALIDATE_W |
1516 (erase ? RDW_ERASE_W : RDW_NOERASE_W) |
1517 (hwnd == NULLHANDLE ? RDW_UPDATENOW_W : 0));
1518#endif
1519 return (result);
1520}
1521//******************************************************************************
1522//******************************************************************************
1523BOOL WIN32API InvalidateRgn (HWND hwnd, HRGN hrgn, BOOL erase)
1524{
1525 BOOL result;
1526
1527 dprintf(("InvalidateRgn %x %x erase=%d", hwnd, hrgn, erase));
1528#if 1
1529 result = RedrawWindow (hwnd, NULL, hrgn,
1530 RDW_ALLCHILDREN_W | RDW_INVALIDATE_W |
1531 (erase ? RDW_ERASE_W : 0) |
1532 (hwnd == NULLHANDLE ? RDW_UPDATENOW_W : 0));
1533#else
1534 result = RedrawWindow (hwnd, NULL, hrgn,
1535 RDW_ALLCHILDREN_W | RDW_INVALIDATE_W |
1536 (erase ? RDW_ERASE_W : RDW_NOERASE_W) |
1537 (hwnd == NULLHANDLE ? RDW_UPDATENOW_W : 0));
1538#endif
1539 return (result);
1540}
1541//******************************************************************************
1542//TODO: Change for client rectangle!!!!!
1543//******************************************************************************
1544BOOL setPMRgnIntoWinRgn (HRGN hrgnPM, HRGN hrgnWin, LONG height)
1545{
1546 BOOL rc;
1547 HPS hps = WinGetScreenPS (HWND_DESKTOP);
1548 RGNRECT rgnRect;
1549 rgnRect.ircStart = 1;
1550 rgnRect.crc = 0;
1551 rgnRect.ulDirection = RECTDIR_LFRT_TOPBOT; // doesn't make a difference because we're getting them all
1552
1553 rc = GpiQueryRegionRects (hps, hrgnPM, NULL, &rgnRect, NULL);
1554
1555 if (rc && (rgnRect.crcReturned > 0))
1556 {
1557 PRECTL Rcls = new RECTL[rgnRect.crcReturned];
1558 PRECTL pRcl = Rcls;
1559
1560 if (Rcls != NULL)
1561 {
1562 rgnRect.crc = rgnRect.crcReturned;
1563 rc = GpiQueryRegionRects (hps, hrgnPM, NULL, &rgnRect, Rcls);
1564
1565 rc = SetRectRgn(hrgnWin, pRcl->xLeft,
1566 pRcl->xRight,
1567 height - pRcl->yTop,
1568 height - pRcl->yBottom);
1569
1570 if (rgnRect.crcReturned > 1)
1571 {
1572 int i;
1573 HRGN temp;
1574 temp = CreateRectRgn (0, 0, 1, 1);
1575
1576 for (i = 1, pRcl++; rc && (i < rgnRect.crcReturned); i++, pRcl++)
1577 {
1578 rc = SetRectRgn (temp, pRcl->xLeft,
1579 pRcl->xRight,
1580 height - pRcl->yTop,
1581 height - pRcl->yBottom);
1582 rc &= CombineRgn (hrgnWin, hrgnWin, temp, RGN_OR_W);
1583 }
1584 DeleteObject (temp);
1585 }
1586 delete[] Rcls;
1587 }
1588 else
1589 {
1590 rc = FALSE;
1591 }
1592 }
1593 else
1594 {
1595 rc = SetRectRgn (hrgnWin, 0, 0, 0, 0);
1596 }
1597
1598 WinReleasePS (hps);
1599 return (rc);
1600}
1601//******************************************************************************
1602//TODO: Check if this one works correctly...
1603//Have to check if dc is for frame or client!!
1604//******************************************************************************
1605BOOL WIN32API ScrollDC(HDC hDC, int dx, int dy, const RECT *pScroll,
1606 const RECT *pClip, HRGN hrgnUpdate, LPRECT pRectUpdate)
1607{
1608 BOOL rc = TRUE;
1609
1610 dprintf (("USER32: ScrollDC %x (%d,%d), %x %x %x %x", hDC, dx, dy, pScroll, pClip, hrgnUpdate, pRectUpdate));
1611
1612 if (!hDC)
1613 {
1614 return (FALSE);
1615 }
1616
1617 pDCData pHps = (pDCData)GpiQueryDCData ((HPS)hDC);
1618 HWND hwnd = pHps->hwnd;
1619 Win32BaseWindow *wnd = Win32BaseWindow::GetWindowFromHandle (hwnd);
1620
1621 if ((hwnd == NULLHANDLE) || !wnd)
1622 {
1623 return (FALSE);
1624 }
1625
1626 POINTL ptl[2] = { 0, 0, dx, dy };
1627
1628 GpiConvert (pHps->hps, CVTC_WORLD, CVTC_DEVICE, 2, ptl);
1629 dx = (int)(ptl[1].x - ptl[0].x);
1630 dy = (int)(ptl[1].y - ptl[0].y);
1631
1632 RECT scrollRect;
1633 RECT clipRect;
1634
1635 if (pClip)
1636 {
1637 memcpy(&clipRect, pClip, sizeof(clipRect));
1638
1639 if ((pHps->graphicsMode == GM_COMPATIBLE_W) &&
1640 (clipRect.left != clipRect.right) &&
1641 (clipRect.bottom != clipRect.top))
1642 {
1643 if (abs((int)pHps->viewportXExt) <= abs((int)pHps->windowExt.cx))
1644 clipRect.right -= abs(pHps->worldXDeltaFor1Pixel);
1645 else
1646 clipRect.left += abs(pHps->worldXDeltaFor1Pixel);
1647
1648 if (abs((int)pHps->viewportYExt) <= abs((int)pHps->windowExt.cy))
1649 clipRect.bottom -= abs(pHps->worldYDeltaFor1Pixel);
1650 else
1651 clipRect.top += abs(pHps->worldYDeltaFor1Pixel);
1652 }
1653 GpiConvert(pHps->hps, CVTC_WORLD, CVTC_DEVICE, 2, (PPOINTL)&clipRect);
1654 if (clipRect.right < clipRect.left) {
1655 ULONG temp = clipRect.left;
1656 clipRect.left = clipRect.right;
1657 clipRect.right = temp;
1658 }
1659 if (clipRect.bottom < clipRect.top) {
1660 ULONG temp = clipRect.top;
1661 clipRect.top = clipRect.bottom;
1662 clipRect.bottom = temp;
1663 }
1664 }
1665
1666 if (pScroll)
1667 {
1668 memcpy(&scrollRect, pScroll, sizeof(scrollRect));
1669
1670 if ((pHps->graphicsMode == GM_COMPATIBLE_W) &&
1671 (scrollRect.left != scrollRect.right) &&
1672 (scrollRect.top != scrollRect.bottom))
1673 {
1674 if (abs((int)pHps->viewportXExt) <= abs((int)pHps->windowExt.cx))
1675 scrollRect.right -= abs(pHps->worldXDeltaFor1Pixel);
1676 else
1677 scrollRect.left += abs(pHps->worldXDeltaFor1Pixel);
1678
1679 if (abs((int)pHps->viewportYExt) <= abs((int)pHps->windowExt.cy))
1680 scrollRect.bottom -= abs(pHps->worldYDeltaFor1Pixel);
1681 else
1682 scrollRect.top += abs(pHps->worldYDeltaFor1Pixel);
1683 }
1684 GpiConvert (pHps->hps, CVTC_WORLD, CVTC_DEVICE, 2, (PPOINTL)&scrollRect);
1685 if (scrollRect.right < scrollRect.left) {
1686 ULONG temp = scrollRect.left;
1687 scrollRect.left = scrollRect.right;
1688 scrollRect.right = temp;
1689 }
1690 if (scrollRect.bottom < scrollRect.top) {
1691 ULONG temp = scrollRect.top;
1692 scrollRect.top = scrollRect.bottom;
1693 scrollRect.bottom = temp;
1694 }
1695 }
1696 RECTL rectlUpdate;
1697 HRGN hrgn;
1698 RECTL clientRect;
1699 RECTL clipOS2;
1700 RECTL scrollOS2;
1701 PRECTL pScrollOS2 = NULL;
1702 PRECTL pClipOS2 = NULL;
1703
1704 mapWin32ToOS2Rect(wnd->getWindowHeight(), wnd->getClientRectPtr(), (PRECTLOS2)&clientRect);
1705
1706 if(pScroll) {
1707 mapWin32ToOS2RectClientToFrame(wnd, &scrollRect, (PRECTLOS2)&scrollOS2);
1708 pScrollOS2 = &scrollOS2;
1709
1710 //Scroll rectangle relative to client area
1711 WinIntersectRect ((HAB) 0, pScrollOS2, pScrollOS2, &clientRect);
1712 }
1713 else {
1714 pScrollOS2 = &clientRect;
1715 }
1716
1717 if(pClip) {
1718 mapWin32ToOS2RectClientToFrame(wnd, &clipRect, (PRECTLOS2)&clipOS2);
1719 pClipOS2 = &clipOS2;
1720
1721 //Clip rectangle relative to client area
1722 WinIntersectRect((HAB) 0, pClipOS2, pClipOS2, &clientRect);
1723 }
1724 else {
1725 pClipOS2 = &clientRect;
1726 }
1727
1728 LONG lComplexity = WinScrollWindow(hwnd, dx, dy, pScrollOS2,
1729 pClipOS2, hrgn, &rectlUpdate, 0);
1730 if (lComplexity == RGN_ERROR)
1731 {
1732 return (FALSE);
1733 }
1734
1735 RECT winRectUpdate;
1736
1737 mapOS2ToWin32Rect(wnd->getWindowHeight(), (PRECTLOS2)&rectlUpdate, &winRectUpdate);
1738
1739 if (pRectUpdate)
1740 *pRectUpdate = winRectUpdate;
1741
1742 if (hrgnUpdate)
1743 rc = setPMRgnIntoWinRgn(hrgn, hrgnUpdate, wnd->getWindowHeight());
1744
1745 return (rc);
1746}
1747//******************************************************************************
1748//SvL: Using WinScrollWindow to scroll child windows is better (smoother).
1749//******************************************************************************
1750INT WIN32API ScrollWindowEx(HWND hwnd, int dx, int dy, const RECT *pScroll, const RECT *pClip,
1751 HRGN hrgnUpdate, PRECT pRectUpdate, UINT scrollFlag)
1752{
1753 Win32BaseWindow *window;
1754 APIRET rc;
1755 RECTL clientRect;
1756 RECTL scrollRect;
1757 RECTL clipRect;
1758 PRECTL pScrollOS2 = NULL;
1759 PRECTL pClipOS2 = NULL;
1760 ULONG scrollFlagsOS2 = 0;
1761 int orgdy = dy;
1762 int regionType = ERROR_W;
1763
1764 window = Win32BaseWindow::GetWindowFromHandle(hwnd);
1765 if(!window) {
1766 dprintf(("ScrollWindowEx, window %x not found", hwnd));
1767 return 0;
1768 }
1769
1770 dprintf(("ScrollWindowEx %x %d %d %x %x", hwnd, dx, dy, pScroll, pClip));
1771
1772 dy = revertDy (window, dy);
1773
1774 if (scrollFlag & SW_INVALIDATE_W) scrollFlagsOS2 |= SW_INVALIDATERGN;
1775 if (scrollFlag & SW_SCROLLCHILDREN_W) scrollFlagsOS2 |= SW_SCROLLCHILDREN;
1776
1777 mapWin32ToOS2Rect(window->getWindowHeight(), window->getClientRectPtr(), (PRECTLOS2)&clientRect);
1778
1779 if(pScroll) {
1780 mapWin32ToOS2RectClientToFrame(window,(RECT *)pScroll, (PRECTLOS2)&scrollRect);
1781 pScrollOS2 = &scrollRect;
1782
1783 //Scroll rectangle relative to client area
1784 WinIntersectRect ((HAB) 0, pScrollOS2, pScrollOS2, &clientRect);
1785 }
1786 else {
1787 pScrollOS2 = &clientRect;
1788 }
1789
1790 if(pClip) {
1791 mapWin32ToOS2RectClientToFrame(window,(RECT *)pClip, (PRECTLOS2)&clipRect);
1792 pClipOS2 = &clipRect;
1793
1794 //Clip rectangle relative to client area
1795 WinIntersectRect ((HAB) 0, pClipOS2, pClipOS2, &clientRect);
1796 }
1797 else {
1798 pClipOS2 = &clientRect;
1799 }
1800
1801 RECTL rectlUpdate;
1802 HRGN hrgn;
1803
1804 if (scrollFlag & SW_SMOOTHSCROLL_W)
1805 {
1806 INT time = (scrollFlag >> 16) & 0xFFFF;
1807
1808 //CB: todo, scroll in several steps
1809 // is time in ms? time <-> iteration count?
1810 }
1811
1812 LONG lComplexity = WinScrollWindow (window->getOS2WindowHandle(), dx, dy,
1813 pScrollOS2,
1814 pClipOS2,
1815 hrgn, &rectlUpdate, scrollFlagsOS2);
1816 if (lComplexity == RGN_ERROR)
1817 {
1818 return ERROR_W;
1819 }
1820
1821 //Notify children that they have moved (according to the SDK docs,
1822 //they only receive a WM_MOVE message)
1823 //(PM only does this for windows with CS_MOVENOTIFY class)
1824 //TODO: Verify this (no WM_WINDOWPOSCHANGING/ED?)
1825 if (scrollFlag & SW_SCROLLCHILDREN_W)
1826 {
1827 HWND hwndChild;
1828 RECT rectChild, rc;
1829
1830 dprintf(("ScrollWindowEx: Scroll child windows"));
1831 GetClientRect(hwnd, &rc);
1832 if (pScroll) IntersectRect(&rc, &rc, pScroll);
1833
1834 hwndChild = GetWindow(hwnd, GW_CHILD_W);
1835
1836 while(hwndChild)
1837 {
1838 Win32BaseWindow *child;
1839
1840 child = Win32BaseWindow::GetWindowFromHandle(hwndChild);
1841 if(!child) {
1842 dprintf(("ERROR: ScrollWindowEx, child %x not found", hwnd));
1843 return 0;
1844 }
1845 rectChild = *child->getWindowRect();
1846 if(!pRectUpdate || IntersectRect(&rectChild, &rectChild, &rc))
1847 {
1848 dprintf(("ScrollWindowEx: Scroll child window %x", hwndChild));
1849 child->ScrollWindow(dx, orgdy);
1850 }
1851 hwndChild = GetWindow(hwndChild, GW_HWNDNEXT_W);
1852 }
1853 dprintf(("***ScrollWindowEx: Scroll child windows DONE"));
1854 }
1855
1856 RECT winRectUpdate;
1857
1858 mapOS2ToWin32Rect(window->getWindowHeight(), (PRECTLOS2)&rectlUpdate, &winRectUpdate);
1859
1860 if (pRectUpdate)
1861 *pRectUpdate = winRectUpdate;
1862
1863 if (hrgnUpdate)
1864 rc = setPMRgnIntoWinRgn (hrgn, hrgnUpdate, window->getWindowHeight());
1865
1866#if 0
1867 //SvL: WinScrollWindow already invalidates the area; no need to do it again
1868 //(call to invalidateRect was wrong; has to include erase flag)
1869 if ((scrollFlag & SW_INVALIDATE_W) &&
1870 ((lComplexity == RGN_RECT) || (lComplexity == RGN_COMPLEX)))
1871 {
1872 rc = RedrawWindow (hwnd, &winRectUpdate, NULLHANDLE,
1873 RDW_ALLCHILDREN_W | RDW_INVALIDATE_W |
1874 ((scrollFlag & SW_ERASE_W) ? RDW_ERASE_W : 0) |
1875 RDW_UPDATENOW_W);
1876
1877// rc = InvalidateRect (hwnd, &winRectUpdate, (scrollFlag & SW_ERASE_W) ? 1 : 0);
1878 if (rc == FALSE)
1879 {
1880 return (0);
1881 }
1882 }
1883#endif
1884
1885 switch (lComplexity)
1886 {
1887 case RGN_NULL:
1888 regionType = NULLREGION_W;
1889 break;
1890 case RGN_RECT:
1891 regionType = SIMPLEREGION_W;
1892 break;
1893 case RGN_COMPLEX:
1894 regionType = COMPLEXREGION_W;
1895 break;
1896 default:
1897 regionType = ERROR_W;
1898 break;
1899 }
1900
1901 return (regionType);
1902}
1903//******************************************************************************
1904//******************************************************************************
1905BOOL WIN32API ScrollWindow(HWND hwnd, int dx, int dy, const RECT *pScroll, const RECT *pClip)
1906{
1907 Win32BaseWindow *window;
1908
1909 window = Win32BaseWindow::GetWindowFromHandle(hwnd);
1910 if(!window) {
1911 dprintf(("ScrollWindow, window %x not found", hwnd));
1912 return 0;
1913 }
1914 dprintf(("ScrollWindow %x %d %d %x %x", hwnd, dx, dy, pScroll, pClip));
1915 return (ERROR_W != ScrollWindowEx(hwnd, dx, dy, pScroll, pClip, 0, NULL,
1916 (pScroll ? 0 : SW_SCROLLCHILDREN_W) |
1917 SW_INVALIDATE_W ));
1918}
1919//******************************************************************************
1920//******************************************************************************
1921HWND WIN32API WindowFromDC(HDC hdc)
1922{
1923 pDCData pHps = (pDCData)GpiQueryDCData( (HPS)hdc );
1924
1925 dprintf2(("USER32: WindowFromDC %x", hdc));
1926 if ( pHps )
1927 return OS2ToWin32Handle(pHps->hwnd);
1928 else
1929 return 0;
1930}
1931//******************************************************************************
1932//******************************************************************************
1933#ifdef DEBUG
1934void dprintfOrigin(HDC hdc)
1935{
1936 POINTL point;
1937
1938 pDCData pHps = (pDCData)GpiQueryDCData((HPS)hdc);
1939 if(!pHps)
1940 {
1941 return;
1942 }
1943
1944 GreGetDCOrigin(pHps->hps, &point);
1945 dprintf(("HDC %x origin (%d,%d) org (%d,%d)", hdc, point.x, point.y, pHps->ptlOrigin.x, pHps->ptlOrigin.y));
1946}
1947#endif
1948//******************************************************************************
1949//******************************************************************************
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