xref: /reactos/dll/win32/comctl32/rebar.c (revision 58aee30e)
1 /*
2  * Rebar control
3  *
4  * Copyright 1998, 1999 Eric Kohl
5  * Copyright 2007, 2008 Mikolaj Zalewski
6  *
7  * This library is free software; you can redistribute it and/or
8  * modify it under the terms of the GNU Lesser General Public
9  * License as published by the Free Software Foundation; either
10  * version 2.1 of the License, or (at your option) any later version.
11  *
12  * This library is distributed in the hope that it will be useful,
13  * but WITHOUT ANY WARRANTY; without even the implied warranty of
14  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
15  * Lesser General Public License for more details.
16  *
17  * You should have received a copy of the GNU Lesser General Public
18  * License along with this library; if not, write to the Free Software
19  * Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301, USA
20  *
21  * NOTES
22  *
23  * This code was audited for completeness against the documented features
24  * of Comctl32.dll version 6.0 on Oct. 19, 2004, by Robert Shearman.
25  *
26  * Unless otherwise noted, we believe this code to be complete, as per
27  * the specification mentioned above.
28  * If you discover missing features or bugs please note them below.
29  *
30  * TODO
31  *   Styles:
32  *   - RBS_DBLCLKTOGGLE
33  *   - RBS_FIXEDORDER
34  *   - RBS_REGISTERDROP
35  *   - RBS_TOOLTIPS
36  *   Messages:
37  *   - RB_BEGINDRAG
38  *   - RB_DRAGMOVE
39  *   - RB_ENDDRAG
40  *   - RB_GETBANDMARGINS
41  *   - RB_GETCOLORSCHEME
42  *   - RB_GETDROPTARGET
43  *   - RB_GETPALETTE
44  *   - RB_SETCOLORSCHEME
45  *   - RB_SETPALETTE
46  *   - RB_SETTOOLTIPS
47  *   - WM_CHARTOITEM
48  *   - WM_LBUTTONDBLCLK
49  *   - WM_PALETTECHANGED
50  *   - WM_QUERYNEWPALETTE
51  *   - WM_RBUTTONDOWN
52  *   - WM_RBUTTONUP
53  *   - WM_VKEYTOITEM
54  *   - WM_WININICHANGE
55  *   Notifications:
56  *   - NM_HCHITTEST
57  *   - NM_RELEASEDCAPTURE
58  *   - RBN_AUTOBREAK
59  *   - RBN_GETOBJECT
60  *   - RBN_MINMAX
61  *   Band styles:
62  *   - RBBS_FIXEDBMP
63  *   Native uses (on each draw!!) SM_CYBORDER (or SM_CXBORDER for CCS_VERT)
64  *   to set the size of the separator width (the value SEP_WIDTH_SIZE
65  *   in here). Should be fixed!!
66  */
67 
68 /*
69  * Testing: set to 1 to make background brush *always* green
70  */
71 #define GLATESTING 0
72 
73 /*
74  * 3. REBAR_MoveChildWindows should have a loop because more than
75  *    one pass (together with the RBN_CHILDSIZEs) is made on
76  *    at least RB_INSERTBAND
77  */
78 
79 #include <assert.h>
80 #include <stdarg.h>
81 #include <stdlib.h>
82 #include <string.h>
83 
84 #include "windef.h"
85 #include "winbase.h"
86 #include "wingdi.h"
87 #include "wine/unicode.h"
88 #include "winuser.h"
89 #include "winnls.h"
90 #include "commctrl.h"
91 #include "comctl32.h"
92 #include "uxtheme.h"
93 #include "vssym32.h"
94 #include "wine/debug.h"
95 
96 WINE_DEFAULT_DEBUG_CHANNEL(rebar);
97 
98 typedef struct
99 {
100     UINT    fStyle;
101     UINT    fMask;
102     COLORREF  clrFore;
103     COLORREF  clrBack;
104     INT     iImage;
105     HWND    hwndChild;
106     UINT    cxMinChild;     /* valid if _CHILDSIZE */
107     UINT    cyMinChild;     /* valid if _CHILDSIZE */
108     UINT    cx;             /* valid if _SIZE */
109     HBITMAP hbmBack;
110     UINT    wID;
111     UINT    cyChild;        /* valid if _CHILDSIZE */
112     UINT    cyMaxChild;     /* valid if _CHILDSIZE */
113     UINT    cyIntegral;     /* valid if _CHILDSIZE */
114     UINT    cxIdeal;
115     LPARAM    lParam;
116     UINT    cxHeader;
117 
118     INT     cxEffective;    /* current cx for band */
119     UINT    cyHeader;       /* the height of the header */
120     UINT    cxMinBand;      /* minimum cx for band */
121     UINT    cyMinBand;      /* minimum cy for band */
122 
123     UINT    cyRowSoFar;     /* for RBS_VARHEIGHT - the height of the row if it would break on this band (set by _Layout) */
124     INT     iRow;           /* zero-based index of the row this band assigned to */
125     UINT    fStatus;        /* status flags, reset only by _Validate */
126     UINT    fDraw;          /* drawing flags, reset only by _Layout */
127     UINT    uCDret;         /* last return from NM_CUSTOMDRAW */
128     RECT    rcBand;         /* calculated band rectangle - coordinates swapped for CCS_VERT */
129     RECT    rcGripper;      /* calculated gripper rectangle */
130     RECT    rcCapImage;     /* calculated caption image rectangle */
131     RECT    rcCapText;      /* calculated caption text rectangle */
132     RECT    rcChild;        /* calculated child rectangle */
133     RECT    rcChevron;      /* calculated chevron rectangle */
134 
135     LPWSTR    lpText;
136     HWND    hwndPrevParent;
137 } REBAR_BAND;
138 
139 /* has a value of: 0, CCS_TOP, CCS_NOMOVEY, CCS_BOTTOM */
140 #define CCS_LAYOUT_MASK 0x3
141 
142 /* fStatus flags */
143 #define HAS_GRIPPER    0x00000001
144 #define HAS_IMAGE      0x00000002
145 #define HAS_TEXT       0x00000004
146 
147 /* fDraw flags */
148 #define DRAW_GRIPPER    0x00000001
149 #define DRAW_IMAGE      0x00000002
150 #define DRAW_TEXT       0x00000004
151 #define DRAW_CHEVRONHOT 0x00000040
152 #define DRAW_CHEVRONPUSHED 0x00000080
153 #define NTF_INVALIDATE  0x01000000
154 
155 typedef struct
156 {
157     COLORREF   clrBk;       /* background color */
158     COLORREF   clrText;     /* text color */
159     COLORREF   clrBtnText;  /* system color for BTNTEXT */
160     COLORREF   clrBtnFace;  /* system color for BTNFACE */
161     HIMAGELIST himl;        /* handle to imagelist */
162     UINT     uNumBands;   /* # of bands in rebar (first=0, last=uNumBands-1 */
163     UINT     uNumRows;    /* # of rows of bands (first=1, last=uNumRows */
164     HWND     hwndSelf;    /* handle of REBAR window itself */
165     HWND     hwndToolTip; /* handle to the tool tip control */
166     HWND     hwndNotify;  /* notification window (parent) */
167     HFONT    hDefaultFont;
168     HFONT    hFont;       /* handle to the rebar's font */
169     SIZE     imageSize;   /* image size (image list) */
170     DWORD    dwStyle;     /* window style */
171     DWORD    orgStyle;    /* original style (dwStyle may change) */
172     SIZE     calcSize;    /* calculated rebar size - coordinates swapped for CCS_VERT */
173     BOOL     bUnicode;    /* TRUE if parent wants notify in W format */
174     BOOL     DoRedraw;    /* TRUE to actually draw bands */
175     UINT     fStatus;     /* Status flags (see below)  */
176     HCURSOR  hcurArrow;   /* handle to the arrow cursor */
177     HCURSOR  hcurHorz;    /* handle to the EW cursor */
178     HCURSOR  hcurVert;    /* handle to the NS cursor */
179     HCURSOR  hcurDrag;    /* handle to the drag cursor */
180     INT      iVersion;    /* version number */
181     POINT    dragStart;   /* x,y of button down */
182     POINT    dragNow;     /* x,y of this MouseMove */
183     INT      iOldBand;    /* last band that had the mouse cursor over it */
184     INT      ihitoffset;  /* offset of hotspot from gripper.left */
185     INT      ichevronhotBand; /* last band that had a hot chevron */
186     INT      iGrabbedBand;/* band number of band whose gripper was grabbed */
187 
188     HDPA     bands;       /* pointer to the array of rebar bands */
189 } REBAR_INFO;
190 
191 /* fStatus flags */
192 #define BEGIN_DRAG_ISSUED   0x00000001
193 #define SELF_RESIZE         0x00000002
194 #define BAND_NEEDS_REDRAW   0x00000020
195 
196 /* used by Windows to mark that the header size has been set by the user and shouldn't be changed */
197 #define RBBS_UNDOC_FIXEDHEADER 0x40000000
198 
199 /* ----   REBAR layout constants. Mostly determined by        ---- */
200 /* ----   experiment on WIN 98.                               ---- */
201 
202 /* Width (or height) of separators between bands (either horz. or  */
203 /* vert.). True only if RBS_BANDBORDERS is set                     */
204 #define SEP_WIDTH_SIZE  2
205 #define SEP_WIDTH       ((infoPtr->dwStyle & RBS_BANDBORDERS) ? SEP_WIDTH_SIZE : 0)
206 
207 /* Blank (background color) space between Gripper (if present)     */
208 /* and next item (image, text, or window). Always present          */
209 #define REBAR_ALWAYS_SPACE  4
210 
211 /* Blank (background color) space after Image (if present).        */
212 #define REBAR_POST_IMAGE  2
213 
214 /* Blank (background color) space after Text (if present).         */
215 #define REBAR_POST_TEXT  4
216 
217 /* Height of vertical gripper in a CCS_VERT rebar.                 */
218 #define GRIPPER_HEIGHT  16
219 
220 /* Blank (background color) space before Gripper (if present).     */
221 #define REBAR_PRE_GRIPPER   2
222 
223 /* Width (of normal vertical gripper) or height (of horz. gripper) */
224 /* if present.                                                     */
225 #define GRIPPER_WIDTH  3
226 
227 /* Width of the chevron button if present */
228 #define CHEVRON_WIDTH  10
229 
230 /* the gap between the child and the next band */
231 #define REBAR_POST_CHILD 4
232 
233 /* Height of divider for Rebar if not disabled (CCS_NODIVIDER)     */
234 /* either top or bottom                                            */
235 #define REBAR_DIVIDER  2
236 
237 /* height of a rebar without a child */
238 #define REBAR_NO_CHILD_HEIGHT 4
239 
240 /* minimum vertical height of a normal bar                        */
241 /*   or minimum width of a CCS_VERT bar - from experiment on Win2k */
242 #define REBAR_MINSIZE  23
243 
244 /* This is the increment that is used over the band height         */
245 #define REBARSPACE(a)     ((a->fStyle & RBBS_CHILDEDGE) ? 2*REBAR_DIVIDER : 0)
246 
247 /* ----   End of REBAR layout constants.                      ---- */
248 
249 #define RB_GETBANDINFO_OLD (WM_USER+5) /* obsoleted after IE3, but we have to support it anyway */
250 
251 /*  The following define determines if a given band is hidden      */
252 #define HIDDENBAND(a)  (((a)->fStyle & RBBS_HIDDEN) ||   \
253                         ((infoPtr->dwStyle & CCS_VERT) &&         \
254                          ((a)->fStyle & RBBS_NOVERT)))
255 
256 #define REBAR_GetInfoPtr(wndPtr) ((REBAR_INFO *)GetWindowLongPtrW (hwnd, 0))
257 
258 static LRESULT REBAR_NotifyFormat(REBAR_INFO *infoPtr, LPARAM lParam);
259 static void REBAR_AutoSize(REBAR_INFO *infoPtr, BOOL needsLayout);
260 
261 /* no index check here */
262 static inline REBAR_BAND* REBAR_GetBand(const REBAR_INFO *infoPtr, INT i)
263 {
264     assert(i >= 0 && i < infoPtr->uNumBands);
265     return DPA_GetPtr(infoPtr->bands, i);
266 }
267 
268 /* "constant values" retrieved when DLL was initialized    */
269 /* FIXME we do this when the classes are registered.       */
270 static UINT mindragx = 0;
271 static UINT mindragy = 0;
272 
273 static const char * const band_stylename[] = {
274     "RBBS_BREAK",              /* 0001 */
275     "RBBS_FIXEDSIZE",          /* 0002 */
276     "RBBS_CHILDEDGE",          /* 0004 */
277     "RBBS_HIDDEN",             /* 0008 */
278     "RBBS_NOVERT",             /* 0010 */
279     "RBBS_FIXEDBMP",           /* 0020 */
280     "RBBS_VARIABLEHEIGHT",     /* 0040 */
281     "RBBS_GRIPPERALWAYS",      /* 0080 */
282     "RBBS_NOGRIPPER",          /* 0100 */
283     NULL };
284 
285 static const char * const band_maskname[] = {
286     "RBBIM_STYLE",         /*    0x00000001 */
287     "RBBIM_COLORS",        /*    0x00000002 */
288     "RBBIM_TEXT",          /*    0x00000004 */
289     "RBBIM_IMAGE",         /*    0x00000008 */
290     "RBBIM_CHILD",         /*    0x00000010 */
291     "RBBIM_CHILDSIZE",     /*    0x00000020 */
292     "RBBIM_SIZE",          /*    0x00000040 */
293     "RBBIM_BACKGROUND",    /*    0x00000080 */
294     "RBBIM_ID",            /*    0x00000100 */
295     "RBBIM_IDEALSIZE",     /*    0x00000200 */
296     "RBBIM_LPARAM",        /*    0x00000400 */
297     "RBBIM_HEADERSIZE",    /*    0x00000800 */
298     NULL };
299 
300 
301 static CHAR line[200];
302 
303 static const WCHAR themeClass[] = { 'R','e','b','a','r',0 };
304 
305 static CHAR *
306 REBAR_FmtStyle( UINT style)
307 {
308     INT i = 0;
309 
310     *line = 0;
311     while (band_stylename[i]) {
312 	if (style & (1<<i)) {
313 	    if (*line != 0) strcat(line, " | ");
314 	    strcat(line, band_stylename[i]);
315 	}
316 	i++;
317     }
318     return line;
319 }
320 
321 
322 static CHAR *
323 REBAR_FmtMask( UINT mask)
324 {
325     INT i = 0;
326 
327     *line = 0;
328     while (band_maskname[i]) {
329 	if (mask & (1<<i)) {
330 	    if (*line != 0) strcat(line, " | ");
331 	    strcat(line, band_maskname[i]);
332 	}
333 	i++;
334     }
335     return line;
336 }
337 
338 
339 static VOID
340 REBAR_DumpBandInfo(const REBARBANDINFOW *pB)
341 {
342     if( !TRACE_ON(rebar) ) return;
343     TRACE("band info: ");
344     if (pB->fMask & RBBIM_ID)
345         TRACE("ID=%u, ", pB->wID);
346     TRACE("size=%u, child=%p", pB->cbSize, pB->hwndChild);
347     if (pB->fMask & RBBIM_COLORS)
348         TRACE(", clrF=0x%06x, clrB=0x%06x", pB->clrFore, pB->clrBack);
349     TRACE("\n");
350 
351     TRACE("band info: mask=0x%08x (%s)\n", pB->fMask, REBAR_FmtMask(pB->fMask));
352     if (pB->fMask & RBBIM_STYLE)
353 	TRACE("band info: style=0x%08x (%s)\n", pB->fStyle, REBAR_FmtStyle(pB->fStyle));
354     if (pB->fMask & (RBBIM_SIZE | RBBIM_IDEALSIZE | RBBIM_HEADERSIZE | RBBIM_LPARAM )) {
355 	TRACE("band info:");
356 	if (pB->fMask & RBBIM_SIZE)
357 	    TRACE(" cx=%u", pB->cx);
358 	if (pB->fMask & RBBIM_IDEALSIZE)
359 	    TRACE(" xIdeal=%u", pB->cxIdeal);
360 	if (pB->fMask & RBBIM_HEADERSIZE)
361 	    TRACE(" xHeader=%u", pB->cxHeader);
362 	if (pB->fMask & RBBIM_LPARAM)
363 	    TRACE(" lParam=0x%08lx", pB->lParam);
364 	TRACE("\n");
365     }
366     if (pB->fMask & RBBIM_CHILDSIZE)
367 	TRACE("band info: xMin=%u, yMin=%u, yChild=%u, yMax=%u, yIntgl=%u\n",
368 	      pB->cxMinChild,
369 	      pB->cyMinChild, pB->cyChild, pB->cyMaxChild, pB->cyIntegral);
370 }
371 
372 static VOID
373 REBAR_DumpBand (const REBAR_INFO *iP)
374 {
375     REBAR_BAND *pB;
376     UINT i;
377 
378     if(! TRACE_ON(rebar) ) return;
379 
380     TRACE("hwnd=%p: color=%08x/%08x, bands=%u, rows=%u, cSize=%d,%d\n",
381 	  iP->hwndSelf, iP->clrText, iP->clrBk, iP->uNumBands, iP->uNumRows,
382 	  iP->calcSize.cx, iP->calcSize.cy);
383     TRACE("hwnd=%p: flags=%08x, dragStart=%d,%d, dragNow=%d,%d, iGrabbedBand=%d\n",
384 	  iP->hwndSelf, iP->fStatus, iP->dragStart.x, iP->dragStart.y,
385 	  iP->dragNow.x, iP->dragNow.y,
386 	  iP->iGrabbedBand);
387     TRACE("hwnd=%p: style=%08x, notify in Unicode=%s, redraw=%s\n",
388           iP->hwndSelf, iP->dwStyle, (iP->bUnicode)?"TRUE":"FALSE",
389           (iP->DoRedraw)?"TRUE":"FALSE");
390     for (i = 0; i < iP->uNumBands; i++) {
391 	pB = REBAR_GetBand(iP, i);
392 	TRACE("band # %u:", i);
393 	if (pB->fMask & RBBIM_ID)
394 	    TRACE(" ID=%u", pB->wID);
395 	if (pB->fMask & RBBIM_CHILD)
396 	    TRACE(" child=%p", pB->hwndChild);
397 	if (pB->fMask & RBBIM_COLORS)
398             TRACE(" clrF=0x%06x clrB=0x%06x", pB->clrFore, pB->clrBack);
399 	TRACE("\n");
400 	TRACE("band # %u: mask=0x%08x (%s)\n", i, pB->fMask, REBAR_FmtMask(pB->fMask));
401 	if (pB->fMask & RBBIM_STYLE)
402 	    TRACE("band # %u: style=0x%08x (%s)\n",
403 		  i, pB->fStyle, REBAR_FmtStyle(pB->fStyle));
404 	TRACE("band # %u: xHeader=%u",
405 	      i, pB->cxHeader);
406 	if (pB->fMask & (RBBIM_SIZE | RBBIM_IDEALSIZE | RBBIM_LPARAM )) {
407 	    if (pB->fMask & RBBIM_SIZE)
408 		TRACE(" cx=%u", pB->cx);
409 	    if (pB->fMask & RBBIM_IDEALSIZE)
410 		TRACE(" xIdeal=%u", pB->cxIdeal);
411 	    if (pB->fMask & RBBIM_LPARAM)
412 		TRACE(" lParam=0x%08lx", pB->lParam);
413 	}
414 	TRACE("\n");
415 	if (RBBIM_CHILDSIZE)
416 	    TRACE("band # %u: xMin=%u, yMin=%u, yChild=%u, yMax=%u, yIntgl=%u\n",
417 		  i, pB->cxMinChild, pB->cyMinChild, pB->cyChild, pB->cyMaxChild, pB->cyIntegral);
418 	if (pB->fMask & RBBIM_TEXT)
419 	    TRACE("band # %u: text=%s\n",
420 		  i, (pB->lpText) ? debugstr_w(pB->lpText) : "(null)");
421         TRACE("band # %u: cxMinBand=%u, cxEffective=%u, cyMinBand=%u\n",
422               i, pB->cxMinBand, pB->cxEffective, pB->cyMinBand);
423         TRACE("band # %u: fStatus=%08x, fDraw=%08x, Band=(%s), Grip=(%s)\n",
424               i, pB->fStatus, pB->fDraw, wine_dbgstr_rect(&pB->rcBand),
425               wine_dbgstr_rect(&pB->rcGripper));
426         TRACE("band # %u: Img=(%s), Txt=(%s), Child=(%s)\n",
427               i, wine_dbgstr_rect(&pB->rcCapImage),
428               wine_dbgstr_rect(&pB->rcCapText), wine_dbgstr_rect(&pB->rcChild));
429     }
430 
431 }
432 
433 /* dest can be equal to src */
434 static void translate_rect(const REBAR_INFO *infoPtr, RECT *dest, const RECT *src)
435 {
436     if (infoPtr->dwStyle & CCS_VERT) {
437         int tmp;
438         tmp = src->left;
439         dest->left = src->top;
440         dest->top = tmp;
441 
442         tmp = src->right;
443         dest->right = src->bottom;
444         dest->bottom = tmp;
445     } else {
446         *dest = *src;
447     }
448 }
449 
450 static int get_rect_cx(const REBAR_INFO *infoPtr, const RECT *lpRect)
451 {
452     if (infoPtr->dwStyle & CCS_VERT)
453         return lpRect->bottom - lpRect->top;
454     return lpRect->right - lpRect->left;
455 }
456 
457 static int get_rect_cy(const REBAR_INFO *infoPtr, const RECT *lpRect)
458 {
459     if (infoPtr->dwStyle & CCS_VERT)
460         return lpRect->right - lpRect->left;
461     return lpRect->bottom - lpRect->top;
462 }
463 
464 static int round_child_height(const REBAR_BAND *lpBand, int cyHeight)
465 {
466     int cy = 0;
467     if (lpBand->cyIntegral == 0)
468         return cyHeight;
469     cy = max(cyHeight - (int)lpBand->cyMinChild, 0);
470     cy = lpBand->cyMinChild + (cy/lpBand->cyIntegral) * lpBand->cyIntegral;
471     cy = min(cy, lpBand->cyMaxChild);
472     return cy;
473 }
474 
475 static void update_min_band_height(const REBAR_INFO *infoPtr, REBAR_BAND *lpBand)
476 {
477     lpBand->cyMinBand = max(lpBand->cyHeader,
478         (lpBand->hwndChild ? lpBand->cyChild + REBARSPACE(lpBand) : REBAR_NO_CHILD_HEIGHT));
479 }
480 
481 static void
482 REBAR_DrawChevron (HDC hdc, INT left, INT top, INT colorRef)
483 {
484     INT x, y;
485     HPEN hPen, hOldPen;
486 
487     if (!(hPen = CreatePen( PS_SOLID, 1, GetSysColor( colorRef )))) return;
488     hOldPen = SelectObject ( hdc, hPen );
489     x = left + 2;
490     y = top;
491     MoveToEx (hdc, x, y, NULL);
492     LineTo (hdc, x+5, y++); x++;
493     MoveToEx (hdc, x, y, NULL);
494     LineTo (hdc, x+3, y++); x++;
495     MoveToEx (hdc, x, y, NULL);
496     LineTo (hdc, x+1, y);
497     SelectObject( hdc, hOldPen );
498     DeleteObject( hPen );
499 }
500 
501 static HWND
502 REBAR_GetNotifyParent (const REBAR_INFO *infoPtr)
503 {
504     HWND parent, owner;
505 
506     parent = infoPtr->hwndNotify;
507     if (!parent) {
508         parent = GetParent (infoPtr->hwndSelf);
509 	owner = GetWindow (infoPtr->hwndSelf, GW_OWNER);
510 	if (owner) parent = owner;
511     }
512     return parent;
513 }
514 
515 
516 static INT
517 REBAR_Notify (NMHDR *nmhdr, const REBAR_INFO *infoPtr, UINT code)
518 {
519     HWND parent;
520 
521     parent = REBAR_GetNotifyParent (infoPtr);
522     nmhdr->idFrom = GetDlgCtrlID (infoPtr->hwndSelf);
523     nmhdr->hwndFrom = infoPtr->hwndSelf;
524     nmhdr->code = code;
525 
526     TRACE("window %p, code=%08x, via %s\n", parent, code, (infoPtr->bUnicode)?"Unicode":"ANSI");
527 
528     return SendMessageW(parent, WM_NOTIFY, nmhdr->idFrom, (LPARAM)nmhdr);
529 }
530 
531 static INT
532 REBAR_Notify_NMREBAR (const REBAR_INFO *infoPtr, UINT uBand, UINT code)
533 {
534     NMREBAR notify_rebar;
535 
536     notify_rebar.dwMask = 0;
537     if (uBand != -1) {
538 	REBAR_BAND *lpBand = REBAR_GetBand(infoPtr, uBand);
539 
540 	if (lpBand->fMask & RBBIM_ID) {
541 	    notify_rebar.dwMask |= RBNM_ID;
542 	    notify_rebar.wID = lpBand->wID;
543 	}
544 	if (lpBand->fMask & RBBIM_LPARAM) {
545 	    notify_rebar.dwMask |= RBNM_LPARAM;
546 	    notify_rebar.lParam = lpBand->lParam;
547 	}
548 	if (lpBand->fMask & RBBIM_STYLE) {
549 	    notify_rebar.dwMask |= RBNM_STYLE;
550 	    notify_rebar.fStyle = lpBand->fStyle;
551 	}
552     }
553     notify_rebar.uBand = uBand;
554     return REBAR_Notify ((NMHDR *)&notify_rebar, infoPtr, code);
555 }
556 
557 static VOID
558 REBAR_DrawBand (HDC hdc, const REBAR_INFO *infoPtr, REBAR_BAND *lpBand)
559 {
560     HFONT hOldFont = 0;
561     INT oldBkMode = 0;
562     NMCUSTOMDRAW nmcd;
563     HTHEME theme = GetWindowTheme (infoPtr->hwndSelf);
564     RECT rcBand;
565 
566     translate_rect(infoPtr, &rcBand, &lpBand->rcBand);
567 
568     if (lpBand->fDraw & DRAW_TEXT) {
569 	hOldFont = SelectObject (hdc, infoPtr->hFont);
570 	oldBkMode = SetBkMode (hdc, TRANSPARENT);
571     }
572 
573     /* should test for CDRF_NOTIFYITEMDRAW here */
574     nmcd.dwDrawStage = CDDS_ITEMPREPAINT;
575     nmcd.hdc = hdc;
576     nmcd.rc = rcBand;
577     nmcd.rc.right = lpBand->rcCapText.right;
578     nmcd.rc.bottom = lpBand->rcCapText.bottom;
579     nmcd.dwItemSpec = lpBand->wID;
580     nmcd.uItemState = 0;
581     nmcd.lItemlParam = lpBand->lParam;
582     lpBand->uCDret = REBAR_Notify ((NMHDR *)&nmcd, infoPtr, NM_CUSTOMDRAW);
583     if (lpBand->uCDret == CDRF_SKIPDEFAULT) {
584 	if (oldBkMode != TRANSPARENT)
585 	    SetBkMode (hdc, oldBkMode);
586 	SelectObject (hdc, hOldFont);
587 	return;
588     }
589 
590     /* draw gripper */
591     if (lpBand->fDraw & DRAW_GRIPPER)
592     {
593         if (theme)
594         {
595             RECT rcGripper = lpBand->rcGripper;
596             int partId = (infoPtr->dwStyle & CCS_VERT) ? RP_GRIPPERVERT : RP_GRIPPER;
597             GetThemeBackgroundExtent (theme, hdc, partId, 0, &rcGripper, &rcGripper);
598             OffsetRect (&rcGripper, lpBand->rcGripper.left - rcGripper.left,
599                 lpBand->rcGripper.top - rcGripper.top);
600             DrawThemeBackground (theme, hdc, partId, 0, &rcGripper, NULL);
601         }
602         else
603             DrawEdge (hdc, &lpBand->rcGripper, BDR_RAISEDINNER, BF_RECT | BF_MIDDLE);
604     }
605 
606     /* draw caption image */
607     if (lpBand->fDraw & DRAW_IMAGE) {
608 	POINT pt;
609 
610 	/* center image */
611 	pt.y = (lpBand->rcCapImage.bottom + lpBand->rcCapImage.top - infoPtr->imageSize.cy)/2;
612 	pt.x = (lpBand->rcCapImage.right + lpBand->rcCapImage.left - infoPtr->imageSize.cx)/2;
613 
614 	ImageList_Draw (infoPtr->himl, lpBand->iImage, hdc,
615 			pt.x, pt.y,
616 			ILD_TRANSPARENT);
617     }
618 
619     /* draw caption text */
620     if (lpBand->fDraw & DRAW_TEXT) {
621 	/* need to handle CDRF_NEWFONT here */
622 	INT oldBkMode = SetBkMode (hdc, TRANSPARENT);
623 	COLORREF oldcolor = CLR_NONE;
624 	COLORREF new;
625 	if (lpBand->clrFore != CLR_NONE) {
626 	    new = (lpBand->clrFore == CLR_DEFAULT) ? infoPtr->clrBtnText :
627 		    lpBand->clrFore;
628 	    oldcolor = SetTextColor (hdc, new);
629 	}
630 
631 #ifdef __REACTOS__
632     if (!theme)
633     {
634         DrawTextW (hdc, lpBand->lpText, -1, &lpBand->rcCapText, DT_CENTER | DT_VCENTER | DT_SINGLELINE);
635     }
636     else
637     {
638         DrawThemeText(theme, hdc, 0, 0, lpBand->lpText, -1, DT_CENTER | DT_VCENTER | DT_SINGLELINE, 0, &lpBand->rcCapText);
639     }
640 #else
641 	DrawTextW (hdc, lpBand->lpText, -1, &lpBand->rcCapText,
642 		   DT_CENTER | DT_VCENTER | DT_SINGLELINE);
643 #endif
644 
645 	if (oldBkMode != TRANSPARENT)
646 	    SetBkMode (hdc, oldBkMode);
647 	if (lpBand->clrFore != CLR_NONE)
648 	    SetTextColor (hdc, oldcolor);
649 	SelectObject (hdc, hOldFont);
650     }
651 
652     if (!IsRectEmpty(&lpBand->rcChevron))
653     {
654         if (theme)
655         {
656             int stateId;
657             if (lpBand->fDraw & DRAW_CHEVRONPUSHED)
658                 stateId = CHEVS_PRESSED;
659             else if (lpBand->fDraw & DRAW_CHEVRONHOT)
660                 stateId = CHEVS_HOT;
661             else
662                 stateId = CHEVS_NORMAL;
663             DrawThemeBackground (theme, hdc, RP_CHEVRON, stateId, &lpBand->rcChevron, NULL);
664         }
665         else
666         {
667             if (lpBand->fDraw & DRAW_CHEVRONPUSHED)
668             {
669                 DrawEdge(hdc, &lpBand->rcChevron, BDR_SUNKENOUTER, BF_RECT | BF_MIDDLE);
670                 REBAR_DrawChevron(hdc, lpBand->rcChevron.left+1, lpBand->rcChevron.top + 11, COLOR_WINDOWFRAME);
671             }
672             else if (lpBand->fDraw & DRAW_CHEVRONHOT)
673             {
674                 DrawEdge(hdc, &lpBand->rcChevron, BDR_RAISEDINNER, BF_RECT | BF_MIDDLE);
675                 REBAR_DrawChevron(hdc, lpBand->rcChevron.left, lpBand->rcChevron.top + 10, COLOR_WINDOWFRAME);
676             }
677             else
678                 REBAR_DrawChevron(hdc, lpBand->rcChevron.left, lpBand->rcChevron.top + 10, COLOR_WINDOWFRAME);
679         }
680     }
681 
682     if (lpBand->uCDret == (CDRF_NOTIFYPOSTPAINT | CDRF_NOTIFYITEMDRAW)) {
683 	nmcd.dwDrawStage = CDDS_ITEMPOSTPAINT;
684 	nmcd.hdc = hdc;
685 	nmcd.rc = rcBand;
686 	nmcd.rc.right = lpBand->rcCapText.right;
687 	nmcd.rc.bottom = lpBand->rcCapText.bottom;
688 	nmcd.dwItemSpec = lpBand->wID;
689 	nmcd.uItemState = 0;
690 	nmcd.lItemlParam = lpBand->lParam;
691 	lpBand->uCDret = REBAR_Notify ((NMHDR *)&nmcd, infoPtr, NM_CUSTOMDRAW);
692     }
693 }
694 
695 
696 static VOID
697 REBAR_Refresh (const REBAR_INFO *infoPtr, HDC hdc)
698 {
699     REBAR_BAND *lpBand;
700     UINT i;
701 
702     if (!infoPtr->DoRedraw) return;
703 
704     for (i = 0; i < infoPtr->uNumBands; i++) {
705 	lpBand = REBAR_GetBand(infoPtr, i);
706 
707 	if (HIDDENBAND(lpBand)) continue;
708 
709 	/* now draw the band */
710 	TRACE("[%p] drawing band %i, flags=%08x\n",
711 	      infoPtr->hwndSelf, i, lpBand->fDraw);
712 	REBAR_DrawBand (hdc, infoPtr, lpBand);
713     }
714 }
715 
716 
717 static void
718 REBAR_CalcHorzBand (const REBAR_INFO *infoPtr, UINT rstart, UINT rend)
719      /* Function: this routine initializes all the rectangles in */
720      /*  each band in a row to fit in the adjusted rcBand rect.  */
721      /* *** Supports only Horizontal bars. ***                   */
722 {
723     REBAR_BAND *lpBand;
724     UINT i, xoff;
725     RECT work;
726 
727     for(i=rstart; i<rend; i++){
728       lpBand = REBAR_GetBand(infoPtr, i);
729       if (HIDDENBAND(lpBand)) {
730           SetRect (&lpBand->rcChild,
731 		   lpBand->rcBand.right, lpBand->rcBand.top,
732 		   lpBand->rcBand.right, lpBand->rcBand.bottom);
733 	  continue;
734       }
735 
736       /* set initial gripper rectangle */
737       SetRect (&lpBand->rcGripper, lpBand->rcBand.left, lpBand->rcBand.top,
738 	       lpBand->rcBand.left, lpBand->rcBand.bottom);
739 
740       /* calculate gripper rectangle */
741       if ( lpBand->fStatus & HAS_GRIPPER) {
742 	  lpBand->fDraw |= DRAW_GRIPPER;
743 	  lpBand->rcGripper.left   += REBAR_PRE_GRIPPER;
744 	  lpBand->rcGripper.right  = lpBand->rcGripper.left + GRIPPER_WIDTH;
745           InflateRect(&lpBand->rcGripper, 0, -2);
746 
747 	  SetRect (&lpBand->rcCapImage,
748 		   lpBand->rcGripper.right+REBAR_ALWAYS_SPACE, lpBand->rcBand.top,
749 		   lpBand->rcGripper.right+REBAR_ALWAYS_SPACE, lpBand->rcBand.bottom);
750       }
751       else {  /* no gripper will be drawn */
752 	  xoff = 0;
753 	  if (lpBand->fStatus & (HAS_IMAGE | HAS_TEXT))
754 	      /* if no gripper but either image or text, then leave space */
755 	      xoff = REBAR_ALWAYS_SPACE;
756 	  SetRect (&lpBand->rcCapImage,
757 		   lpBand->rcBand.left+xoff, lpBand->rcBand.top,
758 		   lpBand->rcBand.left+xoff, lpBand->rcBand.bottom);
759       }
760 
761       /* image is visible */
762       if (lpBand->fStatus & HAS_IMAGE) {
763 	  lpBand->fDraw |= DRAW_IMAGE;
764 	  lpBand->rcCapImage.right  += infoPtr->imageSize.cx;
765 	  lpBand->rcCapImage.bottom = lpBand->rcCapImage.top + infoPtr->imageSize.cy;
766 
767 	  /* set initial caption text rectangle */
768 	  SetRect (&lpBand->rcCapText,
769 		   lpBand->rcCapImage.right+REBAR_POST_IMAGE, lpBand->rcBand.top+1,
770 		   lpBand->rcBand.left+lpBand->cxHeader, lpBand->rcBand.bottom-1);
771       }
772       else {
773 	  /* set initial caption text rectangle */
774 	  SetRect (&lpBand->rcCapText, lpBand->rcCapImage.right, lpBand->rcBand.top+1,
775 		   lpBand->rcBand.left+lpBand->cxHeader, lpBand->rcBand.bottom-1);
776       }
777 
778       /* text is visible */
779       if ((lpBand->fStatus & HAS_TEXT) && !(lpBand->fStyle & RBBS_HIDETITLE)) {
780 	  lpBand->fDraw |= DRAW_TEXT;
781 	  lpBand->rcCapText.right = max(lpBand->rcCapText.left,
782 					lpBand->rcCapText.right-REBAR_POST_TEXT);
783       }
784 
785       /* set initial child window rectangle if there is a child */
786       if (lpBand->hwndChild) {
787 
788           lpBand->rcChild.left  = lpBand->rcBand.left + lpBand->cxHeader;
789           lpBand->rcChild.right = lpBand->rcBand.right - REBAR_POST_CHILD;
790 
791           if (lpBand->cyChild > 0) {
792 
793               UINT yoff = (lpBand->rcBand.bottom - lpBand->rcBand.top - lpBand->cyChild) / 2;
794 
795               /* center child if height is known */
796               lpBand->rcChild.top = lpBand->rcBand.top + yoff;
797               lpBand->rcChild.bottom = lpBand->rcBand.top + yoff + lpBand->cyChild;
798           }
799           else {
800               lpBand->rcChild.top = lpBand->rcBand.top;
801               lpBand->rcChild.bottom = lpBand->rcBand.bottom;
802           }
803 
804 	  if ((lpBand->fStyle & RBBS_USECHEVRON) && (lpBand->rcChild.right - lpBand->rcChild.left < lpBand->cxIdeal))
805 	  {
806 	      lpBand->rcChild.right -= CHEVRON_WIDTH;
807 	      SetRect(&lpBand->rcChevron, lpBand->rcChild.right,
808 	              lpBand->rcChild.top, lpBand->rcChild.right + CHEVRON_WIDTH,
809 	              lpBand->rcChild.bottom);
810 	  }
811       }
812       else {
813           SetRect (&lpBand->rcChild,
814 		   lpBand->rcBand.left+lpBand->cxHeader, lpBand->rcBand.top,
815 		   lpBand->rcBand.right, lpBand->rcBand.bottom);
816       }
817 
818       /* flag if notify required and invalidate rectangle */
819       if (lpBand->fDraw & NTF_INVALIDATE) {
820 	  lpBand->fDraw &= ~NTF_INVALIDATE;
821 	  work = lpBand->rcBand;
822 	  work.right += SEP_WIDTH;
823 	  work.bottom += SEP_WIDTH;
824 	  TRACE("invalidating %s\n", wine_dbgstr_rect(&work));
825 	  InvalidateRect(infoPtr->hwndSelf, &work, TRUE);
826 	  if (lpBand->hwndChild) InvalidateRect(lpBand->hwndChild, NULL, TRUE);
827       }
828 
829     }
830 
831 }
832 
833 
834 static VOID
835 REBAR_CalcVertBand (const REBAR_INFO *infoPtr, UINT rstart, UINT rend)
836      /* Function: this routine initializes all the rectangles in */
837      /*  each band in a row to fit in the adjusted rcBand rect.  */
838      /* *** Supports only Vertical bars. ***                     */
839 {
840     REBAR_BAND *lpBand;
841     UINT i, xoff;
842     RECT work;
843 
844     for(i=rstart; i<rend; i++){
845         RECT rcBand;
846         lpBand = REBAR_GetBand(infoPtr, i);
847 	if (HIDDENBAND(lpBand)) continue;
848 
849         translate_rect(infoPtr, &rcBand, &lpBand->rcBand);
850 
851         /* set initial gripper rectangle */
852 	SetRect (&lpBand->rcGripper, rcBand.left, rcBand.top, rcBand.right, rcBand.top);
853 
854 	/* calculate gripper rectangle */
855 	if (lpBand->fStatus & HAS_GRIPPER) {
856 	    lpBand->fDraw |= DRAW_GRIPPER;
857 
858 	    if (infoPtr->dwStyle & RBS_VERTICALGRIPPER) {
859 		/*  vertical gripper  */
860 		lpBand->rcGripper.left   += 3;
861 		lpBand->rcGripper.right  = lpBand->rcGripper.left + GRIPPER_WIDTH;
862 		lpBand->rcGripper.top    += REBAR_PRE_GRIPPER;
863 		lpBand->rcGripper.bottom = lpBand->rcGripper.top + GRIPPER_HEIGHT;
864 
865 		/* initialize Caption image rectangle  */
866 		SetRect (&lpBand->rcCapImage, rcBand.left,
867 			 lpBand->rcGripper.bottom + REBAR_ALWAYS_SPACE,
868 			 rcBand.right,
869 			 lpBand->rcGripper.bottom + REBAR_ALWAYS_SPACE);
870 	    }
871 	    else {
872 		/*  horizontal gripper  */
873                 InflateRect(&lpBand->rcGripper, -2, 0);
874 		lpBand->rcGripper.top    += REBAR_PRE_GRIPPER;
875 		lpBand->rcGripper.bottom  = lpBand->rcGripper.top + GRIPPER_WIDTH;
876 
877 		/* initialize Caption image rectangle  */
878 		SetRect (&lpBand->rcCapImage, rcBand.left,
879 			 lpBand->rcGripper.bottom + REBAR_ALWAYS_SPACE,
880 			 rcBand.right,
881 			 lpBand->rcGripper.bottom + REBAR_ALWAYS_SPACE);
882 	    }
883 	}
884 	else {  /* no gripper will be drawn */
885 	    xoff = 0;
886 	    if (lpBand->fStatus & (HAS_IMAGE | HAS_TEXT))
887 		/* if no gripper but either image or text, then leave space */
888 		xoff = REBAR_ALWAYS_SPACE;
889 	    /* initialize Caption image rectangle  */
890 	    SetRect (&lpBand->rcCapImage,
891                       rcBand.left, rcBand.top+xoff,
892                       rcBand.right, rcBand.top+xoff);
893 	}
894 
895 	/* image is visible */
896 	if (lpBand->fStatus & HAS_IMAGE) {
897 	    lpBand->fDraw |= DRAW_IMAGE;
898 
899 	    lpBand->rcCapImage.right  = lpBand->rcCapImage.left + infoPtr->imageSize.cx;
900 	    lpBand->rcCapImage.bottom += infoPtr->imageSize.cy;
901 
902 	    /* set initial caption text rectangle */
903 	    SetRect (&lpBand->rcCapText,
904 		     rcBand.left, lpBand->rcCapImage.bottom+REBAR_POST_IMAGE,
905 		     rcBand.right, rcBand.top+lpBand->cxHeader);
906 	}
907 	else {
908 	    /* set initial caption text rectangle */
909 	    SetRect (&lpBand->rcCapText,
910 		     rcBand.left, lpBand->rcCapImage.bottom,
911 		     rcBand.right, rcBand.top+lpBand->cxHeader);
912 	}
913 
914 	/* text is visible */
915 	if ((lpBand->fStatus & HAS_TEXT) && !(lpBand->fStyle & RBBS_HIDETITLE)) {
916 	    lpBand->fDraw |= DRAW_TEXT;
917 	    lpBand->rcCapText.bottom = max(lpBand->rcCapText.top,
918 					   lpBand->rcCapText.bottom);
919 	}
920 
921 	/* set initial child window rectangle if there is a child */
922 	if (lpBand->hwndChild) {
923             int cxBand = rcBand.right - rcBand.left;
924             xoff = (cxBand - lpBand->cyChild) / 2;
925 	    SetRect (&lpBand->rcChild,
926 		     rcBand.left + xoff,                   rcBand.top + lpBand->cxHeader,
927                      rcBand.left + xoff + lpBand->cyChild, rcBand.bottom - REBAR_POST_CHILD);
928 	}
929 	else {
930 	    SetRect (&lpBand->rcChild,
931 		     rcBand.left, rcBand.top+lpBand->cxHeader,
932 		     rcBand.right, rcBand.bottom);
933 	}
934 
935 	if (lpBand->fDraw & NTF_INVALIDATE) {
936 	    lpBand->fDraw &= ~NTF_INVALIDATE;
937 	    work = rcBand;
938 	    work.bottom += SEP_WIDTH;
939 	    work.right += SEP_WIDTH;
940 	    TRACE("invalidating %s\n", wine_dbgstr_rect(&work));
941 	    InvalidateRect(infoPtr->hwndSelf, &work, TRUE);
942 	    if (lpBand->hwndChild) InvalidateRect(lpBand->hwndChild, NULL, TRUE);
943 	}
944 
945     }
946 }
947 
948 
949 static VOID
950 REBAR_ForceResize (REBAR_INFO *infoPtr)
951      /* Function: This changes the size of the REBAR window to that */
952      /*  calculated by REBAR_Layout.                                */
953 {
954     INT x, y, width, height;
955     INT xedge = 0, yedge = 0;
956     RECT rcSelf;
957 
958     TRACE("new size [%d x %d]\n", infoPtr->calcSize.cx, infoPtr->calcSize.cy);
959 
960     if (infoPtr->dwStyle & CCS_NORESIZE)
961         return;
962 
963     if (infoPtr->dwStyle & WS_BORDER)
964     {
965         xedge = GetSystemMetrics(SM_CXEDGE);
966         yedge = GetSystemMetrics(SM_CYEDGE);
967         /* swap for CCS_VERT? */
968     }
969 
970     /* compute rebar window rect in parent client coordinates */
971     GetWindowRect(infoPtr->hwndSelf, &rcSelf);
972     MapWindowPoints(HWND_DESKTOP, GetParent(infoPtr->hwndSelf), (LPPOINT)&rcSelf, 2);
973     translate_rect(infoPtr, &rcSelf, &rcSelf);
974 
975     height = infoPtr->calcSize.cy + 2*yedge;
976     if (!(infoPtr->dwStyle & CCS_NOPARENTALIGN)) {
977         RECT rcParent;
978 
979         x = -xedge;
980         width = infoPtr->calcSize.cx + 2*xedge;
981         y = 0; /* quiet compiler warning */
982         switch ( infoPtr->dwStyle & CCS_LAYOUT_MASK) {
983             case 0:     /* shouldn't happen - see NCCreate */
984             case CCS_TOP:
985                 y = ((infoPtr->dwStyle & CCS_NODIVIDER) ? 0 : REBAR_DIVIDER) - yedge;
986                 break;
987             case CCS_NOMOVEY:
988                 y = rcSelf.top;
989                 break;
990             case CCS_BOTTOM:
991                 GetClientRect(GetParent(infoPtr->hwndSelf), &rcParent);
992                 translate_rect(infoPtr, &rcParent, &rcParent);
993                 y = rcParent.bottom - infoPtr->calcSize.cy - yedge;
994                 break;
995 	}
996     }
997     else {
998 	x = rcSelf.left;
999 	/* As on Windows if the CCS_NODIVIDER is not present the control will move
1000 	 * 2 pixel down after every layout */
1001 	y = rcSelf.top + ((infoPtr->dwStyle & CCS_NODIVIDER) ? 0 : REBAR_DIVIDER);
1002 	width = rcSelf.right - rcSelf.left;
1003     }
1004 
1005     TRACE("hwnd %p, style=%08x, setting at (%d,%d) for (%d,%d)\n",
1006 	infoPtr->hwndSelf, infoPtr->dwStyle, x, y, width, height);
1007 
1008     /* Set flag to ignore next WM_SIZE message and resize the window */
1009     infoPtr->fStatus |= SELF_RESIZE;
1010     if ((infoPtr->dwStyle & CCS_VERT) == 0)
1011         SetWindowPos(infoPtr->hwndSelf, 0, x, y, width, height, SWP_NOZORDER);
1012     else
1013         SetWindowPos(infoPtr->hwndSelf, 0, y, x, height, width, SWP_NOZORDER);
1014     infoPtr->fStatus &= ~SELF_RESIZE;
1015 }
1016 
1017 
1018 static VOID
1019 REBAR_MoveChildWindows (const REBAR_INFO *infoPtr, UINT start, UINT endplus)
1020 {
1021     static const WCHAR strComboBox[] = { 'C','o','m','b','o','B','o','x',0 };
1022     REBAR_BAND *lpBand;
1023     WCHAR szClassName[40];
1024     UINT i;
1025     NMREBARCHILDSIZE  rbcz;
1026     HDWP deferpos;
1027 
1028     if (!(deferpos = BeginDeferWindowPos(infoPtr->uNumBands)))
1029         ERR("BeginDeferWindowPos returned NULL\n");
1030 
1031     for (i = start; i < endplus; i++) {
1032 	lpBand = REBAR_GetBand(infoPtr, i);
1033 
1034 	if (HIDDENBAND(lpBand)) continue;
1035 	if (lpBand->hwndChild) {
1036 	    TRACE("hwndChild = %p\n", lpBand->hwndChild);
1037 
1038 	    /* Always generate the RBN_CHILDSIZE even if child
1039 		   did not change */
1040 	    rbcz.uBand = i;
1041 	    rbcz.wID = lpBand->wID;
1042 	    rbcz.rcChild = lpBand->rcChild;
1043             translate_rect(infoPtr, &rbcz.rcBand, &lpBand->rcBand);
1044 	    if (infoPtr->dwStyle & CCS_VERT)
1045 		rbcz.rcBand.top += lpBand->cxHeader;
1046 	    else
1047 		rbcz.rcBand.left += lpBand->cxHeader;
1048 	    REBAR_Notify ((NMHDR *)&rbcz, infoPtr, RBN_CHILDSIZE);
1049 	    if (!EqualRect (&lpBand->rcChild, &rbcz.rcChild)) {
1050 		TRACE("Child rect changed by NOTIFY for band %u\n", i);
1051                 TRACE("    from (%s)  to (%s)\n",
1052                       wine_dbgstr_rect(&lpBand->rcChild),
1053                       wine_dbgstr_rect(&rbcz.rcChild));
1054 		lpBand->rcChild = rbcz.rcChild;  /* *** ??? */
1055             }
1056 
1057 	    GetClassNameW (lpBand->hwndChild, szClassName, ARRAY_SIZE(szClassName));
1058 	    if (!lstrcmpW (szClassName, strComboBox) ||
1059 		!lstrcmpW (szClassName, WC_COMBOBOXEXW)) {
1060 		INT nEditHeight, yPos;
1061 		RECT rc;
1062 
1063 		/* special placement code for combo or comboex box */
1064 
1065 
1066 		/* get size of edit line */
1067 		GetWindowRect (lpBand->hwndChild, &rc);
1068 		nEditHeight = rc.bottom - rc.top;
1069 		yPos = (lpBand->rcChild.bottom + lpBand->rcChild.top - nEditHeight)/2;
1070 
1071 		/* center combo box inside child area */
1072 		TRACE("moving child (Combo(Ex)) %p to (%d,%d) for (%d,%d)\n",
1073 		      lpBand->hwndChild,
1074 		      lpBand->rcChild.left, yPos,
1075 		      lpBand->rcChild.right - lpBand->rcChild.left,
1076 		      nEditHeight);
1077 		deferpos = DeferWindowPos (deferpos, lpBand->hwndChild, HWND_TOP,
1078 					   lpBand->rcChild.left,
1079 					   /*lpBand->rcChild.top*/ yPos,
1080 					   lpBand->rcChild.right - lpBand->rcChild.left,
1081 					   nEditHeight,
1082 					   SWP_NOZORDER);
1083 		if (!deferpos)
1084 		    ERR("DeferWindowPos returned NULL\n");
1085 	    }
1086 	    else {
1087 		TRACE("moving child (Other) %p to (%d,%d) for (%d,%d)\n",
1088 		      lpBand->hwndChild,
1089 		      lpBand->rcChild.left, lpBand->rcChild.top,
1090 		      lpBand->rcChild.right - lpBand->rcChild.left,
1091 		      lpBand->rcChild.bottom - lpBand->rcChild.top);
1092 		deferpos = DeferWindowPos (deferpos, lpBand->hwndChild, HWND_TOP,
1093 					   lpBand->rcChild.left,
1094 					   lpBand->rcChild.top,
1095 					   lpBand->rcChild.right - lpBand->rcChild.left,
1096 					   lpBand->rcChild.bottom - lpBand->rcChild.top,
1097 					   SWP_NOZORDER);
1098 		if (!deferpos)
1099 		    ERR("DeferWindowPos returned NULL\n");
1100 	    }
1101 	}
1102     }
1103     if (!EndDeferWindowPos(deferpos))
1104         ERR("EndDeferWindowPos returned NULL\n");
1105 
1106     if (infoPtr->DoRedraw)
1107 	UpdateWindow (infoPtr->hwndSelf);
1108 }
1109 
1110 /* Returns the next visible band (the first visible band in [i+1; infoPtr->uNumBands) )
1111  * or infoPtr->uNumBands if none */
1112 static int next_visible(const REBAR_INFO *infoPtr, int i)
1113 {
1114     unsigned int n;
1115     for (n = i + 1; n < infoPtr->uNumBands; n++)
1116         if (!HIDDENBAND(REBAR_GetBand(infoPtr, n)))
1117             break;
1118     return n;
1119 }
1120 
1121 /* Returns the previous visible band (the last visible band in [0; i) )
1122  * or -1 if none */
1123 static int prev_visible(const REBAR_INFO *infoPtr, int i)
1124 {
1125     int n;
1126     for (n = i - 1; n >= 0; n--)
1127         if (!HIDDENBAND(REBAR_GetBand(infoPtr, n)))
1128             break;
1129     return n;
1130 }
1131 
1132 /* Returns the first visible band or infoPtr->uNumBands if none */
1133 static int first_visible(const REBAR_INFO *infoPtr)
1134 {
1135     return next_visible(infoPtr, -1); /* this works*/
1136 }
1137 
1138 /* Returns the first visible band for the given row (or iBand if none) */
1139 static int get_row_begin_for_band(const REBAR_INFO *infoPtr, INT iBand)
1140 {
1141     int iLastBand = iBand;
1142     int iRow = REBAR_GetBand(infoPtr, iBand)->iRow;
1143     while ((iBand = prev_visible(infoPtr, iBand)) >= 0) {
1144         if (REBAR_GetBand(infoPtr, iBand)->iRow != iRow)
1145             break;
1146         else
1147             iLastBand = iBand;
1148     }
1149     return iLastBand;
1150 }
1151 
1152 /* Returns the first visible band for the next row (or infoPtr->uNumBands if none) */
1153 static int get_row_end_for_band(const REBAR_INFO *infoPtr, INT iBand)
1154 {
1155     int iRow = REBAR_GetBand(infoPtr, iBand)->iRow;
1156     while ((iBand = next_visible(infoPtr, iBand)) < infoPtr->uNumBands)
1157         if (REBAR_GetBand(infoPtr, iBand)->iRow != iRow)
1158             break;
1159     return iBand;
1160 }
1161 
1162 /* Compute the rcBand.{left,right} from the cxEffective bands widths computed earlier.
1163  * iBeginBand must be visible */
1164 static void REBAR_SetRowRectsX(const REBAR_INFO *infoPtr, INT iBeginBand, INT iEndBand)
1165 {
1166     int xPos = 0, i;
1167     for (i = iBeginBand; i < iEndBand; i = next_visible(infoPtr, i))
1168     {
1169         REBAR_BAND *lpBand = REBAR_GetBand(infoPtr, i);
1170         if (lpBand->rcBand.left != xPos || lpBand->rcBand.right != xPos + lpBand->cxEffective) {
1171             lpBand->fDraw |= NTF_INVALIDATE;
1172             TRACE("Setting rect %d to %d,%d\n", i, xPos, xPos + lpBand->cxEffective);
1173             lpBand->rcBand.left = xPos;
1174             lpBand->rcBand.right = xPos + lpBand->cxEffective;
1175         }
1176         xPos += lpBand->cxEffective + SEP_WIDTH;
1177     }
1178 }
1179 
1180 /* The rationale of this function is probably as follows: if we have some space
1181  * to distribute we want to add it to a band on the right. However we don't want
1182  * to unminimize a minimized band so we search for a band that is big enough.
1183  * For some reason "big enough" is defined as bigger than the minimum size of the
1184  * first band in the row
1185  */
1186 static REBAR_BAND *REBAR_FindBandToGrow(const REBAR_INFO *infoPtr, INT iBeginBand, INT iEndBand)
1187 {
1188     INT cxMinFirstBand = 0, i;
1189 
1190     cxMinFirstBand = REBAR_GetBand(infoPtr, iBeginBand)->cxMinBand;
1191 
1192     for (i = prev_visible(infoPtr, iEndBand); i >= iBeginBand; i = prev_visible(infoPtr, i))
1193         if (REBAR_GetBand(infoPtr, i)->cxEffective > cxMinFirstBand &&
1194           !(REBAR_GetBand(infoPtr, i)->fStyle & RBBS_FIXEDSIZE))
1195             break;
1196 
1197     if (i < iBeginBand)
1198         for (i = prev_visible(infoPtr, iEndBand); i >= iBeginBand; i = prev_visible(infoPtr, i))
1199             if (REBAR_GetBand(infoPtr, i)->cxMinBand == cxMinFirstBand)
1200                 break;
1201 
1202     TRACE("Extra space for row [%d..%d) should be added to band %d\n", iBeginBand, iEndBand, i);
1203     return REBAR_GetBand(infoPtr, i);
1204 }
1205 
1206 /* Try to shrink the visible bands in [iBeginBand; iEndBand) by cxShrink, starting from the right */
1207 static int REBAR_ShrinkBandsRTL(const REBAR_INFO *infoPtr, INT iBeginBand, INT iEndBand, INT cxShrink, BOOL bEnforce)
1208 {
1209     REBAR_BAND *lpBand;
1210     INT width, i;
1211 
1212     TRACE("Shrinking bands [%d..%d) by %d, right-to-left\n", iBeginBand, iEndBand, cxShrink);
1213     for (i = prev_visible(infoPtr, iEndBand); i >= iBeginBand; i = prev_visible(infoPtr, i))
1214     {
1215         lpBand = REBAR_GetBand(infoPtr, i);
1216 
1217         width = max(lpBand->cxEffective - cxShrink, (int)lpBand->cxMinBand);
1218         cxShrink -= lpBand->cxEffective - width;
1219         lpBand->cxEffective = width;
1220         if (bEnforce && lpBand->cx > lpBand->cxEffective)
1221             lpBand->cx = lpBand->cxEffective;
1222         if (cxShrink == 0)
1223             break;
1224     }
1225     return cxShrink;
1226 }
1227 
1228 
1229 /* Try to shrink the visible bands in [iBeginBand; iEndBand) by cxShrink, starting from the left.
1230  * iBeginBand must be visible */
1231 static int REBAR_ShrinkBandsLTR(const REBAR_INFO *infoPtr, INT iBeginBand, INT iEndBand, INT cxShrink, BOOL bEnforce)
1232 {
1233     REBAR_BAND *lpBand;
1234     INT width, i;
1235 
1236     TRACE("Shrinking bands [%d..%d) by %d, left-to-right\n", iBeginBand, iEndBand, cxShrink);
1237     for (i = iBeginBand; i < iEndBand; i = next_visible(infoPtr, i))
1238     {
1239         lpBand = REBAR_GetBand(infoPtr, i);
1240 
1241         width = max(lpBand->cxEffective - cxShrink, (int)lpBand->cxMinBand);
1242         cxShrink -= lpBand->cxEffective - width;
1243         lpBand->cxEffective = width;
1244         if (bEnforce)
1245             lpBand->cx = lpBand->cxEffective;
1246         if (cxShrink == 0)
1247             break;
1248     }
1249     return cxShrink;
1250 }
1251 
1252 /* Tries to move a band to a given offset within a row. */
1253 static int REBAR_MoveBandToRowOffset(REBAR_INFO *infoPtr, INT iBand, INT iFirstBand,
1254     INT iLastBand, INT xOff, BOOL reorder)
1255 {
1256     REBAR_BAND *insertBand = REBAR_GetBand(infoPtr, iBand);
1257     int xPos = 0, i;
1258     const BOOL setBreak = REBAR_GetBand(infoPtr, iFirstBand)->fStyle & RBBS_BREAK;
1259 
1260     /* Find the band's new position */
1261     if(reorder)
1262     {
1263         /* Used during an LR band reorder drag */
1264         for (i = iFirstBand; i < iLastBand; i = next_visible(infoPtr, i))
1265         {
1266             if(xPos > xOff)
1267                 break;
1268             xPos += REBAR_GetBand(infoPtr, i)->cxEffective + SEP_WIDTH;
1269         }
1270     }
1271     else
1272     {
1273         /* Used during a UD band insertion drag */
1274         for (i = iFirstBand; i < iLastBand; i = next_visible(infoPtr, i))
1275         {
1276             const REBAR_BAND *band = REBAR_GetBand(infoPtr, i);
1277             if(xPos + band->cxMinBand / 2 > xOff)
1278                 break;
1279             xPos += band->cxEffective + SEP_WIDTH;
1280         }
1281     }
1282 
1283     /* Move the band to its new position */
1284     DPA_DeletePtr(infoPtr->bands, iBand);
1285     if(i > iBand)
1286         i--;
1287     DPA_InsertPtr(infoPtr->bands, i, insertBand);
1288 
1289     /* Ensure only the last band has the RBBS_BREAK flag set */
1290     insertBand->fStyle &= ~RBBS_BREAK;
1291     if(setBreak)
1292         REBAR_GetBand(infoPtr, iFirstBand)->fStyle |= RBBS_BREAK;
1293 
1294     /* Return the currently grabbed band */
1295     if(infoPtr->iGrabbedBand == iBand)
1296     {
1297         infoPtr->iGrabbedBand = i;
1298         return i;
1299     }
1300     else return -1;
1301 }
1302 
1303 /* Set the heights of the visible bands in [iBeginBand; iEndBand) to the max height. iBeginBand must be visible */
1304 static int REBAR_SetBandsHeight(const REBAR_INFO *infoPtr, INT iBeginBand, INT iEndBand, INT yStart)
1305 {
1306     REBAR_BAND *lpBand;
1307     int yMaxHeight = 0;
1308     int yPos = yStart;
1309     int row = REBAR_GetBand(infoPtr, iBeginBand)->iRow;
1310     int i;
1311     for (i = iBeginBand; i < iEndBand; i = next_visible(infoPtr, i))
1312     {
1313         lpBand = REBAR_GetBand(infoPtr, i);
1314         lpBand->cyRowSoFar = yMaxHeight;
1315         yMaxHeight = max(yMaxHeight, lpBand->cyMinBand);
1316     }
1317     TRACE("Bands [%d; %d) height: %d\n", iBeginBand, iEndBand, yMaxHeight);
1318 
1319     for (i = iBeginBand; i < iEndBand; i = next_visible(infoPtr, i))
1320     {
1321         lpBand = REBAR_GetBand(infoPtr, i);
1322         /* we may be called for multiple rows if RBS_VARHEIGHT not set */
1323         if (lpBand->iRow != row) {
1324             yPos += yMaxHeight + SEP_WIDTH;
1325             row = lpBand->iRow;
1326         }
1327 
1328         if (lpBand->rcBand.top != yPos || lpBand->rcBand.bottom != yPos + yMaxHeight) {
1329             lpBand->fDraw |= NTF_INVALIDATE;
1330             lpBand->rcBand.top = yPos;
1331             lpBand->rcBand.bottom = yPos + yMaxHeight;
1332             TRACE("Band %d: %s\n", i, wine_dbgstr_rect(&lpBand->rcBand));
1333         }
1334     }
1335     return yPos + yMaxHeight;
1336 }
1337 
1338 /* Layout the row [iBeginBand; iEndBand). iBeginBand must be visible */
1339 static void REBAR_LayoutRow(const REBAR_INFO *infoPtr, int iBeginBand, int iEndBand, int cx, int *piRow, int *pyPos)
1340 {
1341     REBAR_BAND *lpBand;
1342     int i, extra;
1343     int width = 0;
1344 
1345     TRACE("Adjusting row [%d;%d). Width: %d\n", iBeginBand, iEndBand, cx);
1346     for (i = iBeginBand; i < iEndBand; i++)
1347         REBAR_GetBand(infoPtr, i)->iRow = *piRow;
1348 
1349     /* compute the extra space */
1350     for (i = iBeginBand; i < iEndBand; i = next_visible(infoPtr, i))
1351     {
1352         lpBand = REBAR_GetBand(infoPtr, i);
1353         if (i > iBeginBand)
1354             width += SEP_WIDTH;
1355         lpBand->cxEffective = max(lpBand->cxMinBand, lpBand->cx);
1356         width += lpBand->cxEffective;
1357     }
1358 
1359     extra = cx - width;
1360     TRACE("Extra space: %d\n", extra);
1361     if (extra < 0) {
1362         int ret = REBAR_ShrinkBandsRTL(infoPtr, iBeginBand, iEndBand, -extra, FALSE);
1363         if (ret > 0 && next_visible(infoPtr, iBeginBand) != iEndBand)  /* one band may be longer than expected... */
1364             ERR("Error layouting row %d - couldn't shrink for %d pixels (%d total shrink)\n", *piRow, ret, -extra);
1365     } else
1366     if (extra > 0) {
1367         lpBand = REBAR_FindBandToGrow(infoPtr, iBeginBand, iEndBand);
1368         lpBand->cxEffective += extra;
1369     }
1370 
1371     REBAR_SetRowRectsX(infoPtr, iBeginBand, iEndBand);
1372     if (infoPtr->dwStyle & RBS_VARHEIGHT)
1373     {
1374         if (*piRow > 0)
1375             *pyPos += SEP_WIDTH;
1376         *pyPos = REBAR_SetBandsHeight(infoPtr, iBeginBand, iEndBand, *pyPos);
1377     }
1378     (*piRow)++;
1379 }
1380 
1381 static VOID
1382 REBAR_Layout(REBAR_INFO *infoPtr)
1383 {
1384     REBAR_BAND *lpBand;
1385     RECT rcAdj;
1386     SIZE oldSize;
1387     INT adjcx, i;
1388     INT rowstart;
1389     INT row = 0;
1390     INT xMin, yPos;
1391 
1392     if (infoPtr->dwStyle & (CCS_NORESIZE | CCS_NOPARENTALIGN) || GetParent(infoPtr->hwndSelf) == NULL)
1393         GetClientRect(infoPtr->hwndSelf, &rcAdj);
1394     else
1395         GetClientRect(GetParent(infoPtr->hwndSelf), &rcAdj);
1396     TRACE("adjustment rect is (%s)\n", wine_dbgstr_rect(&rcAdj));
1397 
1398     adjcx = get_rect_cx(infoPtr, &rcAdj);
1399 
1400     if (infoPtr->uNumBands == 0) {
1401         TRACE("No bands - setting size to (0,%d), style: %x\n", adjcx, infoPtr->dwStyle);
1402         infoPtr->calcSize.cx = adjcx;
1403         /* the calcSize.cy won't change for a 0 band rebar */
1404         infoPtr->uNumRows = 0;
1405         REBAR_ForceResize(infoPtr);
1406         return;
1407     }
1408 
1409     yPos = 0;
1410     xMin = 0;
1411     rowstart = first_visible(infoPtr);
1412     /* divide rows */
1413     for (i = rowstart; i < infoPtr->uNumBands; i = next_visible(infoPtr, i))
1414     {
1415         lpBand = REBAR_GetBand(infoPtr, i);
1416 
1417         if (i > rowstart && (lpBand->fStyle & RBBS_BREAK || xMin + lpBand->cxMinBand > adjcx)) {
1418             TRACE("%s break on band %d\n", (lpBand->fStyle & RBBS_BREAK ? "Hard" : "Soft"), i - 1);
1419             REBAR_LayoutRow(infoPtr, rowstart, i, adjcx, &row, &yPos);
1420             rowstart = i;
1421             xMin = 0;
1422         }
1423         else
1424             xMin += SEP_WIDTH;
1425 
1426         xMin += lpBand->cxMinBand;
1427     }
1428     if (rowstart < infoPtr->uNumBands)
1429         REBAR_LayoutRow(infoPtr, rowstart, infoPtr->uNumBands, adjcx, &row, &yPos);
1430 
1431     if (!(infoPtr->dwStyle & RBS_VARHEIGHT))
1432         yPos = REBAR_SetBandsHeight(infoPtr, first_visible(infoPtr), infoPtr->uNumBands, 0);
1433 
1434     infoPtr->uNumRows = row;
1435 
1436     if (infoPtr->dwStyle & CCS_VERT)
1437         REBAR_CalcVertBand(infoPtr, 0, infoPtr->uNumBands);
1438     else
1439         REBAR_CalcHorzBand(infoPtr, 0, infoPtr->uNumBands);
1440     /* now compute size of Rebar itself */
1441     oldSize = infoPtr->calcSize;
1442 
1443     infoPtr->calcSize.cx = adjcx;
1444     infoPtr->calcSize.cy = yPos;
1445     TRACE("calcsize size=(%d, %d), origheight=(%d,%d)\n",
1446             infoPtr->calcSize.cx, infoPtr->calcSize.cy,
1447 	    oldSize.cx, oldSize.cy);
1448 
1449     REBAR_DumpBand (infoPtr);
1450     REBAR_MoveChildWindows (infoPtr, 0, infoPtr->uNumBands);
1451     REBAR_ForceResize (infoPtr);
1452 
1453     /* note: after a RBN_HEIGHTCHANGE native sends once again all the RBN_CHILDSIZE
1454      * and does another ForceResize */
1455     if (oldSize.cy != infoPtr->calcSize.cy)
1456     {
1457         NMHDR heightchange;
1458         REBAR_Notify(&heightchange, infoPtr, RBN_HEIGHTCHANGE);
1459         REBAR_AutoSize(infoPtr, FALSE);
1460     }
1461 }
1462 
1463 /* iBeginBand must be visible */
1464 static int
1465 REBAR_SizeChildrenToHeight(const REBAR_INFO *infoPtr, int iBeginBand, int iEndBand, int extra, BOOL *fChanged)
1466 {
1467     int cyBandsOld;
1468     int cyBandsNew = 0;
1469     int i;
1470 
1471     TRACE("[%d;%d) by %d\n", iBeginBand, iEndBand, extra);
1472 
1473     cyBandsOld = REBAR_GetBand(infoPtr, iBeginBand)->rcBand.bottom -
1474                  REBAR_GetBand(infoPtr, iBeginBand)->rcBand.top;
1475     for (i = iBeginBand; i < iEndBand; i = next_visible(infoPtr, i))
1476     {
1477         REBAR_BAND *lpBand = REBAR_GetBand(infoPtr, i);
1478         int cyMaxChild = cyBandsOld - REBARSPACE(lpBand) + extra;
1479         int cyChild = round_child_height(lpBand, cyMaxChild);
1480 
1481         if (lpBand->hwndChild && cyChild != lpBand->cyChild && (lpBand->fStyle & RBBS_VARIABLEHEIGHT))
1482         {
1483             TRACE("Resizing %d: %d -> %d [%d]\n", i, lpBand->cyChild, cyChild, lpBand->cyMaxChild);
1484             *fChanged = TRUE;
1485             lpBand->cyChild = cyChild;
1486             lpBand->fDraw |= NTF_INVALIDATE;
1487             update_min_band_height(infoPtr, lpBand);
1488         }
1489         cyBandsNew = max(cyBandsNew, lpBand->cyMinBand);
1490     }
1491     return cyBandsNew - cyBandsOld;
1492 }
1493 
1494 /* worker function for RB_SIZETORECT and RBS_AUTOSIZE */
1495 static VOID
1496 REBAR_SizeToHeight(REBAR_INFO *infoPtr, int height)
1497 {
1498     int extra = height - infoPtr->calcSize.cy;  /* may be negative */
1499     BOOL fChanged = FALSE;
1500     UINT uNumRows = infoPtr->uNumRows;
1501     int i;
1502 
1503     if (uNumRows == 0)  /* avoid division by 0 */
1504         return;
1505 
1506     /* That's not exactly what Windows does but should be similar */
1507 
1508     /* Pass one: break-up/glue rows */
1509     if (extra > 0)
1510     {
1511         for (i = prev_visible(infoPtr, infoPtr->uNumBands); i > 0; i = prev_visible(infoPtr, i))
1512         {
1513             REBAR_BAND *lpBand = REBAR_GetBand(infoPtr, i);
1514             int cyBreakExtra;  /* additional cy for the rebar after a RBBS_BREAK on this band */
1515 
1516             height = lpBand->rcBand.bottom - lpBand->rcBand.top;
1517 
1518             if (infoPtr->dwStyle & RBS_VARHEIGHT)
1519                 cyBreakExtra = lpBand->cyRowSoFar; /* 'height' => 'lpBand->cyRowSoFar' + 'height'*/
1520             else
1521                 cyBreakExtra = height;             /* 'height' => 'height' + 'height'*/
1522             cyBreakExtra += SEP_WIDTH;
1523 
1524             if (extra <= cyBreakExtra / 2)
1525                 break;
1526 
1527             if (!(lpBand->fStyle & RBBS_BREAK))
1528             {
1529                 TRACE("Adding break on band %d - extra %d -> %d\n", i, extra, extra - cyBreakExtra);
1530                 lpBand->fStyle |= RBBS_BREAK;
1531                 lpBand->fDraw |= NTF_INVALIDATE;
1532                 fChanged = TRUE;
1533                 extra -= cyBreakExtra;
1534                 uNumRows++;
1535                 /* temporary change for _SizeControlsToHeight. The true values will be computed in _Layout */
1536                 if (infoPtr->dwStyle & RBS_VARHEIGHT)
1537                     lpBand->rcBand.bottom = lpBand->rcBand.top + lpBand->cyMinBand;
1538             }
1539         }
1540     }
1541     /* TODO: else if (extra < 0) { try to remove some RBBS_BREAKs } */
1542 
1543     /* Pass two: increase/decrease control height */
1544     if (infoPtr->dwStyle & RBS_VARHEIGHT)
1545     {
1546         int i = first_visible(infoPtr);
1547         int iRow = 0;
1548         while (i < infoPtr->uNumBands)
1549         {
1550             REBAR_BAND *lpBand = REBAR_GetBand(infoPtr, i);
1551             int extraForRow = extra / (int)(uNumRows - iRow);
1552             int rowEnd;
1553 
1554             /* we can't use get_row_end_for_band as we might have added RBBS_BREAK in the first phase */
1555             for (rowEnd = next_visible(infoPtr, i); rowEnd < infoPtr->uNumBands; rowEnd = next_visible(infoPtr, rowEnd))
1556                 if (REBAR_GetBand(infoPtr, rowEnd)->iRow != lpBand->iRow ||
1557                     REBAR_GetBand(infoPtr, rowEnd)->fStyle & RBBS_BREAK)
1558                     break;
1559 
1560             extra -= REBAR_SizeChildrenToHeight(infoPtr, i, rowEnd, extraForRow, &fChanged);
1561             TRACE("extra = %d\n", extra);
1562             i = rowEnd;
1563             iRow++;
1564         }
1565     }
1566     else
1567         REBAR_SizeChildrenToHeight(infoPtr, first_visible(infoPtr), infoPtr->uNumBands, extra / infoPtr->uNumRows, &fChanged);
1568 
1569     if (fChanged)
1570         REBAR_Layout(infoPtr);
1571 }
1572 
1573 static VOID
1574 REBAR_AutoSize(REBAR_INFO *infoPtr, BOOL needsLayout)
1575 {
1576     RECT rc, rcNew;
1577     NMRBAUTOSIZE autosize;
1578 
1579     if (needsLayout)
1580         REBAR_Layout(infoPtr);
1581     GetClientRect(infoPtr->hwndSelf, &rc);
1582     REBAR_SizeToHeight(infoPtr, get_rect_cy(infoPtr, &rc));
1583     GetClientRect(infoPtr->hwndSelf, &rcNew);
1584 
1585     GetClientRect(infoPtr->hwndSelf, &autosize.rcTarget);
1586     autosize.fChanged = EqualRect(&rc, &rcNew);
1587     autosize.rcTarget = rc;
1588     autosize.rcActual = rcNew;
1589     REBAR_Notify((NMHDR *)&autosize, infoPtr, RBN_AUTOSIZE);
1590 }
1591 
1592 static VOID
1593 REBAR_ValidateBand (const REBAR_INFO *infoPtr, REBAR_BAND *lpBand)
1594      /* Function:  This routine evaluates the band specs supplied */
1595      /*  by the user and updates the following 5 fields in        */
1596      /*  the internal band structure: cxHeader, cyHeader, cxMinBand, cyMinBand, fStatus */
1597 {
1598     UINT header=0;
1599     UINT textheight=0, imageheight = 0;
1600     UINT i, nonfixed;
1601     REBAR_BAND *tBand;
1602 
1603     lpBand->fStatus = 0;
1604     lpBand->cxMinBand = 0;
1605     lpBand->cyMinBand = 0;
1606 
1607     /* Data coming in from users into the cx... and cy... fields   */
1608     /* may be bad, just garbage, because the user never clears     */
1609     /* the fields. RB_{SET|INSERT}BAND{A|W} just passes the data   */
1610     /* along if the fields exist in the input area. Here we must   */
1611     /* determine if the data is valid. I have no idea how MS does  */
1612     /* the validation, but it does because the RB_GETBANDINFO      */
1613     /* returns a 0 when I know the sample program passed in an     */
1614     /* address. Here I will use the algorithm that if the value    */
1615     /* is greater than 65535 then it is bad and replace it with    */
1616     /* a zero. Feel free to improve the algorithm.  -  GA 12/2000  */
1617     if (lpBand->cxMinChild > 65535) lpBand->cxMinChild = 0;
1618     if (lpBand->cyMinChild > 65535) lpBand->cyMinChild = 0;
1619     if (lpBand->cx         > 65535) lpBand->cx         = 0;
1620     if (lpBand->cyChild    > 65535) lpBand->cyChild    = 0;
1621     if (lpBand->cyIntegral > 65535) lpBand->cyIntegral = 0;
1622     if (lpBand->cxIdeal    > 65535) lpBand->cxIdeal    = 0;
1623     if (lpBand->cxHeader   > 65535) lpBand->cxHeader   = 0;
1624 
1625     /* TODO : we could try return to the caller if a value changed so that */
1626     /*        a REBAR_Layout is needed. Till now the caller should call it */
1627     /*        it always (we should also check what native does)            */
1628 
1629     /* Header is where the image, text and gripper exist  */
1630     /* in the band and precede the child window.          */
1631 
1632     /* count number of non-FIXEDSIZE and non-Hidden bands */
1633     nonfixed = 0;
1634     for (i=0; i<infoPtr->uNumBands; i++){
1635 	tBand = REBAR_GetBand(infoPtr, i);
1636 	if (!HIDDENBAND(tBand) && !(tBand->fStyle & RBBS_FIXEDSIZE))
1637 	    nonfixed++;
1638     }
1639 
1640     /* calculate gripper rectangle */
1641     if (  (!(lpBand->fStyle & RBBS_NOGRIPPER)) &&
1642 	  ( (lpBand->fStyle & RBBS_GRIPPERALWAYS) ||
1643 	    ( !(lpBand->fStyle & RBBS_FIXEDSIZE) && (nonfixed > 1)))
1644        ) {
1645 	lpBand->fStatus |= HAS_GRIPPER;
1646         if (infoPtr->dwStyle & CCS_VERT)
1647 	    if (infoPtr->dwStyle & RBS_VERTICALGRIPPER)
1648                 header += (GRIPPER_HEIGHT + REBAR_PRE_GRIPPER);
1649             else
1650 	        header += (GRIPPER_WIDTH + REBAR_PRE_GRIPPER);
1651         else
1652             header += (REBAR_PRE_GRIPPER + GRIPPER_WIDTH);
1653         /* Always have 4 pixels before anything else */
1654         header += REBAR_ALWAYS_SPACE;
1655     }
1656 
1657     /* image is visible */
1658     if (lpBand->iImage != -1 && (infoPtr->himl)) {
1659 	lpBand->fStatus |= HAS_IMAGE;
1660         if (infoPtr->dwStyle & CCS_VERT) {
1661 	   header += (infoPtr->imageSize.cy + REBAR_POST_IMAGE);
1662            imageheight = infoPtr->imageSize.cx + 4;
1663 	}
1664 	else {
1665 	   header += (infoPtr->imageSize.cx + REBAR_POST_IMAGE);
1666            imageheight = infoPtr->imageSize.cy + 4;
1667 	}
1668     }
1669 
1670     /* text is visible */
1671     if ((lpBand->fMask & RBBIM_TEXT) && (lpBand->lpText) &&
1672         !(lpBand->fStyle & RBBS_HIDETITLE)) {
1673 	HDC hdc = GetDC (0);
1674 	HFONT hOldFont = SelectObject (hdc, infoPtr->hFont);
1675 	SIZE size;
1676 
1677 	lpBand->fStatus |= HAS_TEXT;
1678 	GetTextExtentPoint32W (hdc, lpBand->lpText,
1679 			       lstrlenW (lpBand->lpText), &size);
1680 	header += ((infoPtr->dwStyle & CCS_VERT) ? (size.cy + REBAR_POST_TEXT) : (size.cx + REBAR_POST_TEXT));
1681 	textheight = (infoPtr->dwStyle & CCS_VERT) ? 0 : size.cy;
1682 
1683 	SelectObject (hdc, hOldFont);
1684 	ReleaseDC (0, hdc);
1685     }
1686 
1687     /* if no gripper but either image or text, then leave space */
1688     if ((lpBand->fStatus & (HAS_IMAGE | HAS_TEXT)) &&
1689 	!(lpBand->fStatus & HAS_GRIPPER)) {
1690 	header += REBAR_ALWAYS_SPACE;
1691     }
1692 
1693     /* check if user overrode the header value */
1694     if (!(lpBand->fStyle & RBBS_UNDOC_FIXEDHEADER))
1695         lpBand->cxHeader = header;
1696     lpBand->cyHeader = max(textheight, imageheight);
1697 
1698     /* Now compute minimum size of child window */
1699     update_min_band_height(infoPtr, lpBand);       /* update lpBand->cyMinBand from cyHeader and cyChild*/
1700 
1701     lpBand->cxMinBand = lpBand->cxMinChild + lpBand->cxHeader + REBAR_POST_CHILD;
1702     if (lpBand->fStyle & RBBS_USECHEVRON && lpBand->cxMinChild < lpBand->cxIdeal)
1703         lpBand->cxMinBand += CHEVRON_WIDTH;
1704 }
1705 
1706 static UINT
1707 REBAR_CommonSetupBand(HWND hwnd, const REBARBANDINFOW *lprbbi, REBAR_BAND *lpBand)
1708      /* Function:  This routine copies the supplied values from   */
1709      /*  user input (lprbbi) to the internal band structure.      */
1710      /*  It returns the mask of what changed.   */
1711 {
1712     UINT uChanged = 0x0;
1713 
1714     lpBand->fMask |= lprbbi->fMask;
1715 
1716     if( (lprbbi->fMask & RBBIM_STYLE) &&
1717         (lpBand->fStyle != lprbbi->fStyle ) )
1718     {
1719 	lpBand->fStyle = lprbbi->fStyle;
1720         uChanged |= RBBIM_STYLE;
1721     }
1722 
1723     if( (lprbbi->fMask & RBBIM_COLORS) &&
1724        ( ( lpBand->clrFore != lprbbi->clrFore ) ||
1725          ( lpBand->clrBack != lprbbi->clrBack ) ) )
1726     {
1727 	lpBand->clrFore = lprbbi->clrFore;
1728 	lpBand->clrBack = lprbbi->clrBack;
1729         uChanged |= RBBIM_COLORS;
1730     }
1731 
1732     if( (lprbbi->fMask & RBBIM_IMAGE) &&
1733        ( lpBand->iImage != lprbbi->iImage ) )
1734     {
1735 	lpBand->iImage = lprbbi->iImage;
1736         uChanged |= RBBIM_IMAGE;
1737     }
1738 
1739     if( (lprbbi->fMask & RBBIM_CHILD) &&
1740        (lprbbi->hwndChild != lpBand->hwndChild ) )
1741     {
1742 	if (lprbbi->hwndChild) {
1743 	    lpBand->hwndChild = lprbbi->hwndChild;
1744 	    lpBand->hwndPrevParent =
1745 		SetParent (lpBand->hwndChild, hwnd);
1746 	    /* below in trace from WinRAR */
1747 	    ShowWindow(lpBand->hwndChild, SW_SHOWNOACTIVATE | SW_SHOWNORMAL);
1748 	    /* above in trace from WinRAR */
1749 	}
1750 	else {
1751 	    TRACE("child: %p  prev parent: %p\n",
1752 		   lpBand->hwndChild, lpBand->hwndPrevParent);
1753 	    lpBand->hwndChild = 0;
1754 	    lpBand->hwndPrevParent = 0;
1755 	}
1756         uChanged |= RBBIM_CHILD;
1757     }
1758 
1759     if( (lprbbi->fMask & RBBIM_CHILDSIZE) &&
1760         ( (lpBand->cxMinChild != lprbbi->cxMinChild) ||
1761           (lpBand->cyMinChild != lprbbi->cyMinChild ) ||
1762           ( (lprbbi->cbSize >= REBARBANDINFOA_V6_SIZE && (lpBand->fStyle & RBBS_VARIABLEHEIGHT)) &&
1763             ( (lpBand->cyChild    != lprbbi->cyChild ) ||
1764               (lpBand->cyMaxChild != lprbbi->cyMaxChild ) ||
1765               (lpBand->cyIntegral != lprbbi->cyIntegral ) ) ) ||
1766           ( (lprbbi->cbSize < REBARBANDINFOA_V6_SIZE) &&
1767             ( (lpBand->cyChild ||
1768                lpBand->cyMaxChild ||
1769                lpBand->cyIntegral ) ) ) ) )
1770     {
1771 	lpBand->cxMinChild = lprbbi->cxMinChild;
1772 	lpBand->cyMinChild = lprbbi->cyMinChild;
1773         /* These fields where added in WIN32_IE == 0x400 and are set only for RBBS_VARIABLEHEIGHT bands */
1774         if (lprbbi->cbSize >= REBARBANDINFOA_V6_SIZE && (lpBand->fStyle & RBBS_VARIABLEHEIGHT)) {
1775 	    lpBand->cyMaxChild = lprbbi->cyMaxChild;
1776             lpBand->cyIntegral = lprbbi->cyIntegral;
1777 
1778             lpBand->cyChild = round_child_height(lpBand, lprbbi->cyChild);  /* make (cyChild - cyMinChild) a multiple of cyIntergral */
1779         }
1780 	else {
1781 	    lpBand->cyChild    = lpBand->cyMinChild;
1782 	    lpBand->cyMaxChild = 0x7fffffff;
1783 	    lpBand->cyIntegral = 0;
1784 	}
1785         uChanged |= RBBIM_CHILDSIZE;
1786     }
1787 
1788     if( (lprbbi->fMask & RBBIM_SIZE) &&
1789         (lpBand->cx != lprbbi->cx ) )
1790     {
1791 	lpBand->cx = lprbbi->cx;
1792         uChanged |= RBBIM_SIZE;
1793     }
1794 
1795     if( (lprbbi->fMask & RBBIM_BACKGROUND) &&
1796        ( lpBand->hbmBack != lprbbi->hbmBack ) )
1797     {
1798 	lpBand->hbmBack = lprbbi->hbmBack;
1799         uChanged |= RBBIM_BACKGROUND;
1800     }
1801 
1802     if( (lprbbi->fMask & RBBIM_ID) &&
1803         (lpBand->wID != lprbbi->wID ) )
1804     {
1805 	lpBand->wID = lprbbi->wID;
1806         uChanged |= RBBIM_ID;
1807     }
1808 
1809     /* check for additional data */
1810     if (lprbbi->cbSize >= REBARBANDINFOA_V6_SIZE) {
1811 	if( (lprbbi->fMask & RBBIM_IDEALSIZE) &&
1812             ( lpBand->cxIdeal != lprbbi->cxIdeal ) )
1813         {
1814 	    lpBand->cxIdeal = lprbbi->cxIdeal;
1815             uChanged |= RBBIM_IDEALSIZE;
1816         }
1817 
1818 	if( (lprbbi->fMask & RBBIM_LPARAM) &&
1819             (lpBand->lParam != lprbbi->lParam ) )
1820         {
1821 	    lpBand->lParam = lprbbi->lParam;
1822             uChanged |= RBBIM_LPARAM;
1823         }
1824 
1825 	if( (lprbbi->fMask & RBBIM_HEADERSIZE) &&
1826             (lpBand->cxHeader != lprbbi->cxHeader ) )
1827         {
1828 	    lpBand->cxHeader = lprbbi->cxHeader;
1829             lpBand->fStyle |= RBBS_UNDOC_FIXEDHEADER;
1830             uChanged |= RBBIM_HEADERSIZE;
1831         }
1832     }
1833 
1834     return uChanged;
1835 }
1836 
1837 static LRESULT REBAR_EraseBkGnd (const REBAR_INFO *infoPtr, HDC hdc)
1838      /* Function:  This erases the background rectangle by drawing  */
1839      /*  each band with its background color (or the default) and   */
1840      /*  draws each bands right separator if necessary. The row     */
1841      /*  separators are drawn on the first band of the next row.    */
1842 {
1843     REBAR_BAND *lpBand;
1844     UINT i;
1845     INT oldrow;
1846     RECT cr;
1847     COLORREF old = CLR_NONE, new;
1848     HTHEME theme = GetWindowTheme (infoPtr->hwndSelf);
1849 
1850     GetClientRect (infoPtr->hwndSelf, &cr);
1851 
1852 #ifdef __REACTOS__
1853     if (theme)
1854     {
1855         if (IsThemeBackgroundPartiallyTransparent(theme, 0, 0))
1856         {
1857             DrawThemeParentBackground (infoPtr->hwndSelf, hdc, &cr);
1858         }
1859         DrawThemeBackground (theme, hdc, 0, 0, &cr, NULL);
1860     }
1861 #endif
1862 
1863     oldrow = -1;
1864     for(i=0; i<infoPtr->uNumBands; i++) {
1865         RECT rcBand;
1866         lpBand = REBAR_GetBand(infoPtr, i);
1867 	if (HIDDENBAND(lpBand)) continue;
1868         translate_rect(infoPtr, &rcBand, &lpBand->rcBand);
1869 
1870 	/* draw band separator between rows */
1871 	if (lpBand->iRow != oldrow) {
1872 	    oldrow = lpBand->iRow;
1873 	    if (infoPtr->dwStyle & RBS_BANDBORDERS) {
1874 		RECT rcRowSep;
1875 		rcRowSep = rcBand;
1876 		if (infoPtr->dwStyle & CCS_VERT) {
1877 		    rcRowSep.right += SEP_WIDTH_SIZE;
1878 		    rcRowSep.bottom = infoPtr->calcSize.cx;
1879                     if (theme)
1880                         DrawThemeEdge (theme, hdc, RP_BAND, 0, &rcRowSep, EDGE_ETCHED, BF_RIGHT, NULL);
1881                     else
1882 		        DrawEdge (hdc, &rcRowSep, EDGE_ETCHED, BF_RIGHT);
1883 		}
1884 		else {
1885 		    rcRowSep.bottom += SEP_WIDTH_SIZE;
1886 		    rcRowSep.right = infoPtr->calcSize.cx;
1887                     if (theme)
1888                         DrawThemeEdge (theme, hdc, RP_BAND, 0, &rcRowSep, EDGE_ETCHED, BF_BOTTOM, NULL);
1889                     else
1890 		        DrawEdge (hdc, &rcRowSep, EDGE_ETCHED, BF_BOTTOM);
1891 		}
1892                 TRACE ("drawing band separator bottom (%s)\n",
1893                        wine_dbgstr_rect(&rcRowSep));
1894 	    }
1895 	}
1896 
1897 	/* draw band separator between bands in a row */
1898         if (infoPtr->dwStyle & RBS_BANDBORDERS && lpBand->rcBand.left > 0) {
1899 	    RECT rcSep;
1900 	    rcSep = rcBand;
1901 	    if (infoPtr->dwStyle & CCS_VERT) {
1902                 rcSep.bottom = rcSep.top;
1903 		rcSep.top -= SEP_WIDTH_SIZE;
1904                 if (theme)
1905                     DrawThemeEdge (theme, hdc, RP_BAND, 0, &rcSep, EDGE_ETCHED, BF_BOTTOM, NULL);
1906                 else
1907 		    DrawEdge (hdc, &rcSep, EDGE_ETCHED, BF_BOTTOM);
1908 	    }
1909 	    else {
1910                 rcSep.right = rcSep.left;
1911 		rcSep.left -= SEP_WIDTH_SIZE;
1912                 if (theme)
1913                     DrawThemeEdge (theme, hdc, RP_BAND, 0, &rcSep, EDGE_ETCHED, BF_RIGHT, NULL);
1914                 else
1915 		    DrawEdge (hdc, &rcSep, EDGE_ETCHED, BF_RIGHT);
1916 	    }
1917             TRACE("drawing band separator right (%s)\n",
1918                   wine_dbgstr_rect(&rcSep));
1919 	}
1920 
1921 	/* draw the actual background */
1922 	if (lpBand->clrBack != CLR_NONE) {
1923 	    new = (lpBand->clrBack == CLR_DEFAULT) ? infoPtr->clrBtnFace :
1924 		    lpBand->clrBack;
1925 #if GLATESTING
1926 	    /* testing only - make background green to see it */
1927 	    new = RGB(0,128,0);
1928 #endif
1929 	}
1930 	else {
1931 	    /* In the absence of documentation for Rebar vs. CLR_NONE,
1932 	     * we will use the default BtnFace color. Note documentation
1933 	     * exists for Listview and Imagelist.
1934 	     */
1935 	    new = infoPtr->clrBtnFace;
1936 #if GLATESTING
1937 	    /* testing only - make background green to see it */
1938 	    new = RGB(0,128,0);
1939 #endif
1940 	}
1941 
1942         if (theme)
1943         {
1944             /* When themed, the background color is ignored (but not a
1945              * background bitmap */
1946             DrawThemeBackground (theme, hdc, 0, 0, &cr, &rcBand);
1947         }
1948         else
1949         {
1950             old = SetBkColor (hdc, new);
1951             TRACE("%s background color=0x%06x, band %s\n",
1952                   (lpBand->clrBack == CLR_NONE) ? "none" :
1953                     ((lpBand->clrBack == CLR_DEFAULT) ? "dft" : ""),
1954                   GetBkColor(hdc), wine_dbgstr_rect(&rcBand));
1955             ExtTextOutW (hdc, 0, 0, ETO_OPAQUE, &rcBand, NULL, 0, 0);
1956             if (lpBand->clrBack != CLR_NONE)
1957                 SetBkColor (hdc, old);
1958         }
1959     }
1960     return TRUE;
1961 }
1962 
1963 static void
1964 REBAR_InternalHitTest (const REBAR_INFO *infoPtr, const POINT *lpPt, UINT *pFlags, INT *pBand)
1965 {
1966     REBAR_BAND *lpBand;
1967     RECT rect;
1968     UINT  iCount;
1969 
1970     GetClientRect (infoPtr->hwndSelf, &rect);
1971 
1972     *pFlags = RBHT_NOWHERE;
1973     if (PtInRect (&rect, *lpPt))
1974     {
1975 	if (infoPtr->uNumBands == 0) {
1976 	    *pFlags = RBHT_NOWHERE;
1977 	    if (pBand)
1978 		*pBand = -1;
1979 	    TRACE("NOWHERE\n");
1980 	    return;
1981 	}
1982 	else {
1983 	    /* somewhere inside */
1984 	    for (iCount = 0; iCount < infoPtr->uNumBands; iCount++) {
1985                 RECT rcBand;
1986 		lpBand = REBAR_GetBand(infoPtr, iCount);
1987                 translate_rect(infoPtr, &rcBand, &lpBand->rcBand);
1988                 if (HIDDENBAND(lpBand)) continue;
1989 		if (PtInRect (&rcBand, *lpPt)) {
1990 		    if (pBand)
1991 			*pBand = iCount;
1992 		    if (PtInRect (&lpBand->rcGripper, *lpPt)) {
1993 			*pFlags = RBHT_GRABBER;
1994 			TRACE("ON GRABBER %d\n", iCount);
1995 			return;
1996 		    }
1997 		    else if (PtInRect (&lpBand->rcCapImage, *lpPt)) {
1998 			*pFlags = RBHT_CAPTION;
1999 			TRACE("ON CAPTION %d\n", iCount);
2000 			return;
2001 		    }
2002 		    else if (PtInRect (&lpBand->rcCapText, *lpPt)) {
2003 			*pFlags = RBHT_CAPTION;
2004 			TRACE("ON CAPTION %d\n", iCount);
2005 			return;
2006 		    }
2007 		    else if (PtInRect (&lpBand->rcChild, *lpPt)) {
2008 			*pFlags = RBHT_CLIENT;
2009 			TRACE("ON CLIENT %d\n", iCount);
2010 			return;
2011 		    }
2012 		    else if (PtInRect (&lpBand->rcChevron, *lpPt)) {
2013 			*pFlags = RBHT_CHEVRON;
2014 			TRACE("ON CHEVRON %d\n", iCount);
2015 			return;
2016 		    }
2017 		    else {
2018 			*pFlags = RBHT_NOWHERE;
2019 			TRACE("NOWHERE %d\n", iCount);
2020 			return;
2021 		    }
2022 		}
2023 	    }
2024 
2025 	    *pFlags = RBHT_NOWHERE;
2026 	    if (pBand)
2027 		*pBand = -1;
2028 
2029 	    TRACE("NOWHERE\n");
2030 	    return;
2031 	}
2032     }
2033     else {
2034 	*pFlags = RBHT_NOWHERE;
2035 	if (pBand)
2036 	    *pBand = -1;
2037 	TRACE("NOWHERE\n");
2038 	return;
2039     }
2040 }
2041 
2042 static void
2043 REBAR_HandleLRDrag (REBAR_INFO *infoPtr, const POINT *ptsmove)
2044      /* Function:  This will implement the functionality of a     */
2045      /*  Gripper drag within a row. It will not implement "out-   */
2046      /*  of-row" drags. (They are detected and handled in         */
2047      /*  REBAR_MouseMove.)                                        */
2048 {
2049     REBAR_BAND *hitBand;
2050     INT iHitBand, iRowBegin, iRowEnd;
2051     INT movement, xBand, cxLeft = 0;
2052     BOOL shrunkBands = FALSE;
2053 
2054     iHitBand = infoPtr->iGrabbedBand;
2055     iRowBegin = get_row_begin_for_band(infoPtr, iHitBand);
2056     iRowEnd = get_row_end_for_band(infoPtr, iHitBand);
2057     hitBand = REBAR_GetBand(infoPtr, iHitBand);
2058 
2059     xBand = hitBand->rcBand.left;
2060     movement = (infoPtr->dwStyle&CCS_VERT ? ptsmove->y : ptsmove->x)
2061                     - (xBand + REBAR_PRE_GRIPPER - infoPtr->ihitoffset);
2062 
2063     /* Dragging the first band in a row cannot cause shrinking */
2064     if(iHitBand != iRowBegin)
2065     {
2066         if (movement < 0) {
2067             cxLeft = REBAR_ShrinkBandsRTL(infoPtr, iRowBegin, iHitBand, -movement, TRUE);
2068 
2069             if(cxLeft < -movement)
2070             {
2071                 hitBand->cxEffective += -movement - cxLeft;
2072                 hitBand->cx = hitBand->cxEffective;
2073                 shrunkBands = TRUE;
2074             }
2075 
2076         } else if (movement > 0) {
2077 
2078             cxLeft = movement;
2079             if (prev_visible(infoPtr, iHitBand) >= 0)
2080                 cxLeft = REBAR_ShrinkBandsLTR(infoPtr, iHitBand, iRowEnd, movement, TRUE);
2081 
2082             if(cxLeft < movement)
2083             {
2084                 REBAR_BAND *lpPrev = REBAR_GetBand(infoPtr, prev_visible(infoPtr, iHitBand));
2085                 lpPrev->cxEffective += movement - cxLeft;
2086                 lpPrev->cx = hitBand->cxEffective;
2087                 shrunkBands = TRUE;
2088             }
2089 
2090         }
2091     }
2092 
2093     if(!shrunkBands)
2094     {
2095         /* It was not possible to move the band by shrinking bands.
2096          * Try relocating the band instead. */
2097         REBAR_MoveBandToRowOffset(infoPtr, iHitBand, iRowBegin,
2098             iRowEnd, xBand + movement, TRUE);
2099     }
2100 
2101     REBAR_SetRowRectsX(infoPtr, iRowBegin, iRowEnd);
2102     if (infoPtr->dwStyle & CCS_VERT)
2103         REBAR_CalcVertBand(infoPtr, 0, infoPtr->uNumBands);
2104     else
2105         REBAR_CalcHorzBand(infoPtr, 0, infoPtr->uNumBands);
2106     REBAR_MoveChildWindows(infoPtr, iRowBegin, iRowEnd);
2107 }
2108 
2109 static void
2110 REBAR_HandleUDDrag (REBAR_INFO *infoPtr, const POINT *ptsmove)
2111 {
2112     INT yOff = (infoPtr->dwStyle & CCS_VERT) ? ptsmove->x : ptsmove->y;
2113     INT iHitBand, iRowBegin, iNextRowBegin;
2114     REBAR_BAND *hitBand, *rowBeginBand;
2115 
2116     if(infoPtr->uNumBands <= 0)
2117         ERR("There are no bands in this rebar\n");
2118 
2119     /* Up/down dragging can only occur when there is more than one
2120      * band in the rebar */
2121     if(infoPtr->uNumBands <= 1)
2122         return;
2123 
2124     iHitBand = infoPtr->iGrabbedBand;
2125     hitBand = REBAR_GetBand(infoPtr, iHitBand);
2126 
2127     /* If we're taking a band that has the RBBS_BREAK style set, this
2128      * style needs to be reapplied to the band that is going to become
2129      * the new start of the row. */
2130     if((hitBand->fStyle & RBBS_BREAK) &&
2131         (iHitBand < infoPtr->uNumBands - 1))
2132         REBAR_GetBand(infoPtr, iHitBand + 1)->fStyle |= RBBS_BREAK;
2133 
2134     if(yOff < 0)
2135     {
2136         /* Place the band above the current top row */
2137         if(iHitBand==0 && (infoPtr->uNumBands==1 || REBAR_GetBand(infoPtr, 1)->fStyle&RBBS_BREAK))
2138             return;
2139         DPA_DeletePtr(infoPtr->bands, iHitBand);
2140         hitBand->fStyle &= ~RBBS_BREAK;
2141         REBAR_GetBand(infoPtr, 0)->fStyle |= RBBS_BREAK;
2142         infoPtr->iGrabbedBand = DPA_InsertPtr(
2143             infoPtr->bands, 0, hitBand);
2144     }
2145     else if(yOff > REBAR_GetBand(infoPtr, infoPtr->uNumBands - 1)->rcBand.bottom)
2146     {
2147         /* Place the band below the current bottom row */
2148         if(iHitBand == infoPtr->uNumBands-1 && hitBand->fStyle&RBBS_BREAK)
2149             return;
2150         DPA_DeletePtr(infoPtr->bands, iHitBand);
2151         hitBand->fStyle |= RBBS_BREAK;
2152         infoPtr->iGrabbedBand = DPA_InsertPtr(
2153             infoPtr->bands, infoPtr->uNumBands - 1, hitBand);
2154     }
2155     else
2156     {
2157         /* Place the band in the prexisting row the mouse is hovering over */
2158         iRowBegin = first_visible(infoPtr);
2159         while(iRowBegin < infoPtr->uNumBands)
2160         {
2161             iNextRowBegin = get_row_end_for_band(infoPtr, iRowBegin);
2162             rowBeginBand = REBAR_GetBand(infoPtr, iRowBegin);
2163             if(rowBeginBand->rcBand.bottom > yOff)
2164             {
2165                 REBAR_MoveBandToRowOffset(
2166                     infoPtr, iHitBand, iRowBegin, iNextRowBegin,
2167                     ((infoPtr->dwStyle & CCS_VERT) ? ptsmove->y : ptsmove->x)
2168                         - REBAR_PRE_GRIPPER - infoPtr->ihitoffset, FALSE);
2169                 break;
2170             }
2171 
2172             iRowBegin = iNextRowBegin;
2173         }
2174     }
2175 
2176     REBAR_Layout(infoPtr);
2177 }
2178 
2179 
2180 /* << REBAR_BeginDrag >> */
2181 
2182 
2183 static LRESULT
2184 REBAR_DeleteBand (REBAR_INFO *infoPtr, WPARAM wParam)
2185 {
2186     UINT uBand = (UINT)wParam;
2187     REBAR_BAND *lpBand;
2188 
2189     if (uBand >= infoPtr->uNumBands)
2190 	return FALSE;
2191 
2192     TRACE("deleting band %u!\n", uBand);
2193     lpBand = REBAR_GetBand(infoPtr, uBand);
2194     REBAR_Notify_NMREBAR (infoPtr, uBand, RBN_DELETINGBAND);
2195     /* TODO: a return of 1 should probably cancel the deletion */
2196 
2197     if (lpBand->hwndChild)
2198         ShowWindow(lpBand->hwndChild, SW_HIDE);
2199     Free(lpBand->lpText);
2200     Free(lpBand);
2201 
2202     infoPtr->uNumBands--;
2203     DPA_DeletePtr(infoPtr->bands, uBand);
2204 
2205     REBAR_Notify_NMREBAR (infoPtr, -1, RBN_DELETEDBAND);
2206 
2207     /* if only 1 band left the re-validate to possible eliminate gripper */
2208     if (infoPtr->uNumBands == 1)
2209       REBAR_ValidateBand (infoPtr, REBAR_GetBand(infoPtr, 0));
2210 
2211     REBAR_Layout(infoPtr);
2212 
2213     return TRUE;
2214 }
2215 
2216 
2217 /* << REBAR_DragMove >> */
2218 /* << REBAR_EndDrag >> */
2219 
2220 
2221 static LRESULT
2222 REBAR_GetBandBorders (const REBAR_INFO *infoPtr, UINT uBand, RECT *lpRect)
2223 {
2224     REBAR_BAND *lpBand;
2225 
2226     if (!lpRect)
2227 	return 0;
2228     if (uBand >= infoPtr->uNumBands)
2229 	return 0;
2230 
2231     lpBand = REBAR_GetBand(infoPtr, uBand);
2232 
2233     /* FIXME - the following values were determined by experimentation */
2234     /* with the REBAR Control Spy. I have guesses as to what the 4 and */
2235     /* 1 are, but I am not sure. There doesn't seem to be any actual   */
2236     /* difference in size of the control area with and without the     */
2237     /* style.  -  GA                                                   */
2238     if (infoPtr->dwStyle & RBS_BANDBORDERS) {
2239 	if (infoPtr->dwStyle & CCS_VERT) {
2240 	    lpRect->left = 1;
2241 	    lpRect->top = lpBand->cxHeader + 4;
2242 	    lpRect->right = 1;
2243 	    lpRect->bottom = 0;
2244 	}
2245 	else {
2246 	    lpRect->left = lpBand->cxHeader + 4;
2247 	    lpRect->top = 1;
2248 	    lpRect->right = 0;
2249 	    lpRect->bottom = 1;
2250 	}
2251     }
2252     else {
2253 	lpRect->left = lpBand->cxHeader;
2254     }
2255     return 0;
2256 }
2257 
2258 
2259 static inline LRESULT
2260 REBAR_GetBandCount (const REBAR_INFO *infoPtr)
2261 {
2262     TRACE("band count %u!\n", infoPtr->uNumBands);
2263 
2264     return infoPtr->uNumBands;
2265 }
2266 
2267 
2268 static LRESULT
2269 REBAR_GetBandInfoT(const REBAR_INFO *infoPtr, UINT uIndex, LPREBARBANDINFOW lprbbi, BOOL bUnicode)
2270 {
2271     REBAR_BAND *lpBand;
2272 
2273     if (!lprbbi || lprbbi->cbSize < REBARBANDINFOA_V3_SIZE)
2274 	return FALSE;
2275 
2276     if (uIndex >= infoPtr->uNumBands)
2277 	return FALSE;
2278 
2279     TRACE("index %u (bUnicode=%d)\n", uIndex, bUnicode);
2280 
2281     /* copy band information */
2282     lpBand = REBAR_GetBand(infoPtr, uIndex);
2283 
2284     if (lprbbi->fMask & RBBIM_STYLE)
2285 	lprbbi->fStyle = lpBand->fStyle;
2286 
2287     if (lprbbi->fMask & RBBIM_COLORS) {
2288 	lprbbi->clrFore = lpBand->clrFore;
2289 	lprbbi->clrBack = lpBand->clrBack;
2290 	if (lprbbi->clrBack == CLR_DEFAULT)
2291 	    lprbbi->clrBack = infoPtr->clrBtnFace;
2292     }
2293 
2294     if (lprbbi->fMask & RBBIM_TEXT) {
2295         if (bUnicode)
2296             Str_GetPtrW(lpBand->lpText, lprbbi->lpText, lprbbi->cch);
2297         else
2298             Str_GetPtrWtoA(lpBand->lpText, (LPSTR)lprbbi->lpText, lprbbi->cch);
2299     }
2300 
2301     if (lprbbi->fMask & RBBIM_IMAGE)
2302 	lprbbi->iImage = lpBand->iImage;
2303 
2304     if (lprbbi->fMask & RBBIM_CHILD)
2305 	lprbbi->hwndChild = lpBand->hwndChild;
2306 
2307     if (lprbbi->fMask & RBBIM_CHILDSIZE) {
2308 	lprbbi->cxMinChild = lpBand->cxMinChild;
2309 	lprbbi->cyMinChild = lpBand->cyMinChild;
2310         /* to make tests pass we follow Windows' behaviour and allow reading these fields only
2311          * for RBBS_VARIABLEHEIGHTS bands */
2312         if (lprbbi->cbSize >= REBARBANDINFOW_V6_SIZE && (lpBand->fStyle & RBBS_VARIABLEHEIGHT)) {
2313 	    lprbbi->cyChild    = lpBand->cyChild;
2314 	    lprbbi->cyMaxChild = lpBand->cyMaxChild;
2315 	    lprbbi->cyIntegral = lpBand->cyIntegral;
2316 	}
2317     }
2318 
2319     if (lprbbi->fMask & RBBIM_SIZE)
2320 	lprbbi->cx = lpBand->cx;
2321 
2322     if (lprbbi->fMask & RBBIM_BACKGROUND)
2323 	lprbbi->hbmBack = lpBand->hbmBack;
2324 
2325     if (lprbbi->fMask & RBBIM_ID)
2326 	lprbbi->wID = lpBand->wID;
2327 
2328     /* check for additional data */
2329     if (lprbbi->cbSize >= REBARBANDINFOW_V6_SIZE) {
2330 	if (lprbbi->fMask & RBBIM_IDEALSIZE)
2331 	    lprbbi->cxIdeal = lpBand->cxIdeal;
2332 
2333 	if (lprbbi->fMask & RBBIM_LPARAM)
2334 	    lprbbi->lParam = lpBand->lParam;
2335 
2336 	if (lprbbi->fMask & RBBIM_HEADERSIZE)
2337 	    lprbbi->cxHeader = lpBand->cxHeader;
2338     }
2339 
2340     REBAR_DumpBandInfo(lprbbi);
2341 
2342     return TRUE;
2343 }
2344 
2345 
2346 static LRESULT
2347 REBAR_GetBarHeight (const REBAR_INFO *infoPtr)
2348 {
2349     INT nHeight;
2350 
2351     nHeight = infoPtr->calcSize.cy;
2352 
2353     TRACE("height = %d\n", nHeight);
2354 
2355     return nHeight;
2356 }
2357 
2358 
2359 static LRESULT
2360 REBAR_GetBarInfo (const REBAR_INFO *infoPtr, LPREBARINFO lpInfo)
2361 {
2362     if (!lpInfo || lpInfo->cbSize < sizeof (REBARINFO))
2363 	return FALSE;
2364 
2365     TRACE("getting bar info!\n");
2366 
2367     if (infoPtr->himl) {
2368 	lpInfo->himl = infoPtr->himl;
2369 	lpInfo->fMask |= RBIM_IMAGELIST;
2370     }
2371 
2372     return TRUE;
2373 }
2374 
2375 
2376 static inline LRESULT
2377 REBAR_GetBkColor (const REBAR_INFO *infoPtr)
2378 {
2379     COLORREF clr = infoPtr->clrBk;
2380 
2381     if (clr == CLR_DEFAULT)
2382       clr = infoPtr->clrBtnFace;
2383 
2384     TRACE("background color 0x%06x!\n", clr);
2385 
2386     return clr;
2387 }
2388 
2389 
2390 /* << REBAR_GetColorScheme >> */
2391 /* << REBAR_GetDropTarget >> */
2392 
2393 
2394 static LRESULT
2395 REBAR_GetPalette (const REBAR_INFO *infoPtr)
2396 {
2397     FIXME("empty stub!\n");
2398 
2399     return 0;
2400 }
2401 
2402 
2403 static LRESULT
2404 REBAR_GetRect (const REBAR_INFO *infoPtr, INT iBand, RECT *lprc)
2405 {
2406     REBAR_BAND *lpBand;
2407 
2408     if (iBand < 0 || iBand >= infoPtr->uNumBands)
2409 	return FALSE;
2410     if (!lprc)
2411 	return FALSE;
2412 
2413     lpBand = REBAR_GetBand(infoPtr, iBand);
2414     /* For CCS_VERT the coordinates will be swapped - like on Windows */
2415     *lprc = lpBand->rcBand;
2416 
2417     TRACE("band %d, (%s)\n", iBand, wine_dbgstr_rect(lprc));
2418 
2419     return TRUE;
2420 }
2421 
2422 
2423 static inline LRESULT
2424 REBAR_GetRowCount (const REBAR_INFO *infoPtr)
2425 {
2426     TRACE("%u\n", infoPtr->uNumRows);
2427 
2428     return infoPtr->uNumRows;
2429 }
2430 
2431 
2432 static LRESULT
2433 REBAR_GetRowHeight (const REBAR_INFO *infoPtr, INT iRow)
2434 {
2435     int j = 0, ret = 0;
2436     UINT i;
2437     REBAR_BAND *lpBand;
2438 
2439     for (i=0; i<infoPtr->uNumBands; i++) {
2440 	lpBand = REBAR_GetBand(infoPtr, i);
2441 	if (HIDDENBAND(lpBand)) continue;
2442 	if (lpBand->iRow != iRow) continue;
2443         j = lpBand->rcBand.bottom - lpBand->rcBand.top;
2444 	if (j > ret) ret = j;
2445     }
2446 
2447     TRACE("row %d, height %d\n", iRow, ret);
2448 
2449     return ret;
2450 }
2451 
2452 
2453 static inline LRESULT
2454 REBAR_GetTextColor (const REBAR_INFO *infoPtr)
2455 {
2456     TRACE("text color 0x%06x!\n", infoPtr->clrText);
2457 
2458     return infoPtr->clrText;
2459 }
2460 
2461 
2462 static inline LRESULT
2463 REBAR_GetToolTips (const REBAR_INFO *infoPtr)
2464 {
2465     return (LRESULT)infoPtr->hwndToolTip;
2466 }
2467 
2468 
2469 static inline LRESULT
2470 REBAR_GetUnicodeFormat (const REBAR_INFO *infoPtr)
2471 {
2472     TRACE("%s hwnd=%p\n",
2473 	  infoPtr->bUnicode ? "TRUE" : "FALSE", infoPtr->hwndSelf);
2474 
2475     return infoPtr->bUnicode;
2476 }
2477 
2478 
2479 static inline LRESULT
2480 REBAR_GetVersion (const REBAR_INFO *infoPtr)
2481 {
2482     TRACE("version %d\n", infoPtr->iVersion);
2483     return infoPtr->iVersion;
2484 }
2485 
2486 
2487 static LRESULT
2488 REBAR_HitTest (const REBAR_INFO *infoPtr, LPRBHITTESTINFO lprbht)
2489 {
2490     if (!lprbht)
2491 	return -1;
2492 
2493     REBAR_InternalHitTest (infoPtr, &lprbht->pt, &lprbht->flags, &lprbht->iBand);
2494 
2495     return lprbht->iBand;
2496 }
2497 
2498 
2499 static LRESULT
2500 REBAR_IdToIndex (const REBAR_INFO *infoPtr, UINT uId)
2501 {
2502     UINT i;
2503 
2504     if (infoPtr->uNumBands < 1)
2505 	return -1;
2506 
2507     for (i = 0; i < infoPtr->uNumBands; i++) {
2508 	if (REBAR_GetBand(infoPtr, i)->wID == uId) {
2509 	    TRACE("id %u is band %u found!\n", uId, i);
2510 	    return i;
2511 	}
2512     }
2513 
2514     TRACE("id %u is not found\n", uId);
2515     return -1;
2516 }
2517 
2518 
2519 static LRESULT
2520 REBAR_InsertBandT(REBAR_INFO *infoPtr, INT iIndex, const REBARBANDINFOW *lprbbi, BOOL bUnicode)
2521 {
2522     REBAR_BAND *lpBand;
2523 
2524     if (!lprbbi || lprbbi->cbSize < REBARBANDINFOA_V3_SIZE)
2525 	return FALSE;
2526 
2527     /* trace the index as signed to see the -1 */
2528     TRACE("insert band at %d (bUnicode=%d)!\n", iIndex, bUnicode);
2529     REBAR_DumpBandInfo(lprbbi);
2530 
2531     if (!(lpBand = Alloc(sizeof(REBAR_BAND)))) return FALSE;
2532     if ((iIndex == -1) || (iIndex > infoPtr->uNumBands))
2533         iIndex = infoPtr->uNumBands;
2534     if (DPA_InsertPtr(infoPtr->bands, iIndex, lpBand) == -1)
2535     {
2536         Free(lpBand);
2537         return FALSE;
2538     }
2539     infoPtr->uNumBands++;
2540 
2541     TRACE("index %d!\n", iIndex);
2542 
2543     /* initialize band */
2544     memset(lpBand, 0, sizeof(*lpBand));
2545     lpBand->clrFore = infoPtr->clrText == CLR_NONE ? infoPtr->clrBtnText :
2546                                                      infoPtr->clrText;
2547     lpBand->clrBack = infoPtr->clrBk == CLR_NONE ? infoPtr->clrBtnFace :
2548                                                    infoPtr->clrBk;
2549     lpBand->iImage = -1;
2550 
2551     REBAR_CommonSetupBand(infoPtr->hwndSelf, lprbbi, lpBand);
2552 
2553     /* Make sure the defaults for these are correct */
2554     if (lprbbi->cbSize < REBARBANDINFOA_V6_SIZE || !(lpBand->fStyle & RBBS_VARIABLEHEIGHT)) {
2555         lpBand->cyChild    = lpBand->cyMinChild;
2556         lpBand->cyMaxChild = 0x7fffffff;
2557         lpBand->cyIntegral = 0;
2558     }
2559 
2560     if ((lprbbi->fMask & RBBIM_TEXT) && (lprbbi->lpText)) {
2561         if (bUnicode)
2562             Str_SetPtrW(&lpBand->lpText, lprbbi->lpText);
2563         else
2564             Str_SetPtrAtoW(&lpBand->lpText, (LPSTR)lprbbi->lpText);
2565     }
2566 
2567     REBAR_ValidateBand (infoPtr, lpBand);
2568     /* On insert of second band, revalidate band 1 to possible add gripper */
2569     if (infoPtr->uNumBands == 2)
2570 	REBAR_ValidateBand (infoPtr, REBAR_GetBand(infoPtr, 0));
2571 
2572     REBAR_DumpBand (infoPtr);
2573 
2574     REBAR_Layout(infoPtr);
2575     InvalidateRect(infoPtr->hwndSelf, NULL, TRUE);
2576 
2577     return TRUE;
2578 }
2579 
2580 
2581 static LRESULT
2582 REBAR_MaximizeBand (const REBAR_INFO *infoPtr, INT iBand, LPARAM lParam)
2583 {
2584     REBAR_BAND *lpBand;
2585     int iRowBegin, iRowEnd;
2586     int cxDesired, extra, extraOrig;
2587     int cxIdealBand;
2588 
2589     /* Validate */
2590     if (infoPtr->uNumBands == 0 || iBand < 0 || iBand >= infoPtr->uNumBands) {
2591 	/* error !!! */
2592 	ERR("Illegal MaximizeBand, requested=%d, current band count=%d\n",
2593 	      iBand, infoPtr->uNumBands);
2594       	return FALSE;
2595     }
2596 
2597     lpBand = REBAR_GetBand(infoPtr, iBand);
2598 
2599     if (lpBand->fStyle & RBBS_HIDDEN)
2600     {
2601         /* Windows is buggy and creates a hole */
2602         WARN("Ignoring maximize request on a hidden band (%d)\n", iBand);
2603         return FALSE;
2604     }
2605 
2606     cxIdealBand = lpBand->cxIdeal + lpBand->cxHeader + REBAR_POST_CHILD;
2607     if (lParam && (lpBand->cxEffective < cxIdealBand))
2608         cxDesired = cxIdealBand;
2609     else
2610         cxDesired = infoPtr->calcSize.cx;
2611 
2612     iRowBegin = get_row_begin_for_band(infoPtr, iBand);
2613     iRowEnd   = get_row_end_for_band(infoPtr, iBand);
2614     extraOrig = extra = cxDesired - lpBand->cxEffective;
2615     if (extra > 0)
2616         extra = REBAR_ShrinkBandsRTL(infoPtr, iRowBegin, iBand, extra, TRUE);
2617     if (extra > 0)
2618         extra = REBAR_ShrinkBandsLTR(infoPtr, next_visible(infoPtr, iBand), iRowEnd, extra, TRUE);
2619     lpBand->cxEffective += extraOrig - extra;
2620     lpBand->cx = lpBand->cxEffective;
2621     TRACE("(%d, %ld): Wanted size %d, obtained %d (shrink %d, %d)\n", iBand, lParam, cxDesired, lpBand->cx, extraOrig, extra);
2622     REBAR_SetRowRectsX(infoPtr, iRowBegin, iRowEnd);
2623 
2624     if (infoPtr->dwStyle & CCS_VERT)
2625         REBAR_CalcVertBand(infoPtr, iRowBegin, iRowEnd);
2626     else
2627         REBAR_CalcHorzBand(infoPtr, iRowBegin, iRowEnd);
2628     REBAR_MoveChildWindows(infoPtr, iRowBegin, iRowEnd);
2629     return TRUE;
2630 
2631 }
2632 
2633 
2634 static LRESULT
2635 REBAR_MinimizeBand (const REBAR_INFO *infoPtr, INT iBand)
2636 {
2637     REBAR_BAND *lpBand;
2638     int iPrev, iRowBegin, iRowEnd;
2639 
2640     /* A "minimize" band is equivalent to "dragging" the gripper
2641      * of than band to the right till the band is only the size
2642      * of the cxHeader.
2643      */
2644 
2645     /* Validate */
2646     if (infoPtr->uNumBands == 0 || iBand < 0 || iBand >= infoPtr->uNumBands) {
2647 	/* error !!! */
2648 	ERR("Illegal MinimizeBand, requested=%d, current band count=%d\n",
2649 	      iBand, infoPtr->uNumBands);
2650       	return FALSE;
2651     }
2652 
2653     /* compute amount of movement and validate */
2654     lpBand = REBAR_GetBand(infoPtr, iBand);
2655 
2656     if (lpBand->fStyle & RBBS_HIDDEN)
2657     {
2658         /* Windows is buggy and creates a hole/overlap */
2659         WARN("Ignoring minimize request on a hidden band (%d)\n", iBand);
2660         return FALSE;
2661     }
2662 
2663     iPrev = prev_visible(infoPtr, iBand);
2664     /* if first band in row */
2665     if (iPrev < 0 || REBAR_GetBand(infoPtr, iPrev)->iRow != lpBand->iRow) {
2666         int iNext = next_visible(infoPtr, iBand);
2667         if (iNext < infoPtr->uNumBands && REBAR_GetBand(infoPtr, iNext)->iRow == lpBand->iRow) {
2668             TRACE("(%d): Minimizing the first band in row is by maximizing the second\n", iBand);
2669             REBAR_MaximizeBand(infoPtr, iNext, FALSE);
2670         }
2671         else
2672             TRACE("(%d): Only one band in row - nothing to do\n", iBand);
2673         return TRUE;
2674     }
2675 
2676     REBAR_GetBand(infoPtr, iPrev)->cxEffective += lpBand->cxEffective - lpBand->cxMinBand;
2677     REBAR_GetBand(infoPtr, iPrev)->cx = REBAR_GetBand(infoPtr, iPrev)->cxEffective;
2678     lpBand->cx = lpBand->cxEffective = lpBand->cxMinBand;
2679 
2680     iRowBegin = get_row_begin_for_band(infoPtr, iBand);
2681     iRowEnd = get_row_end_for_band(infoPtr, iBand);
2682     REBAR_SetRowRectsX(infoPtr, iRowBegin, iRowEnd);
2683 
2684     if (infoPtr->dwStyle & CCS_VERT)
2685         REBAR_CalcVertBand(infoPtr, iRowBegin, iRowEnd);
2686     else
2687         REBAR_CalcHorzBand(infoPtr, iRowBegin, iRowEnd);
2688     REBAR_MoveChildWindows(infoPtr, iRowBegin, iRowEnd);
2689     return FALSE;
2690 }
2691 
2692 
2693 static LRESULT
2694 REBAR_MoveBand (REBAR_INFO *infoPtr, INT iFrom, INT iTo)
2695 {
2696     REBAR_BAND *lpBand;
2697 
2698     /* Validate */
2699     if ((infoPtr->uNumBands == 0) ||
2700 	(iFrom < 0) || iFrom >= infoPtr->uNumBands ||
2701 	(iTo < 0)   || iTo >= infoPtr->uNumBands) {
2702 	/* error !!! */
2703 	ERR("Illegal MoveBand, from=%d, to=%d, current band count=%d\n",
2704 	      iFrom, iTo, infoPtr->uNumBands);
2705       	return FALSE;
2706     }
2707 
2708     lpBand = REBAR_GetBand(infoPtr, iFrom);
2709     DPA_DeletePtr(infoPtr->bands, iFrom);
2710     DPA_InsertPtr(infoPtr->bands, iTo, lpBand);
2711 
2712     TRACE("moved band %d to index %d\n", iFrom, iTo);
2713     REBAR_DumpBand (infoPtr);
2714 
2715     /* **************************************************** */
2716     /*                                                      */
2717     /* We do not do a REBAR_Layout here because the native  */
2718     /* control does not do that. The actual layout and      */
2719     /* repaint is done by the *next* real action, ex.:      */
2720     /* RB_INSERTBAND, RB_DELETEBAND, RB_SIZETORECT, etc.    */
2721     /*                                                      */
2722     /* **************************************************** */
2723 
2724     return TRUE;
2725 }
2726 
2727 
2728 /* return TRUE if two strings are different */
2729 static BOOL
2730 REBAR_strdifW( LPCWSTR a, LPCWSTR b )
2731 {
2732     return ( (a && !b) || (b && !a) || (a && b && lstrcmpW(a, b) ) );
2733 }
2734 
2735 static LRESULT
2736 REBAR_SetBandInfoT(REBAR_INFO *infoPtr, INT iBand, const REBARBANDINFOW *lprbbi, BOOL bUnicode)
2737 {
2738     REBAR_BAND *lpBand;
2739     UINT uChanged;
2740 
2741     if (!lprbbi || lprbbi->cbSize < REBARBANDINFOA_V3_SIZE)
2742 	return FALSE;
2743 
2744     if (iBand >= infoPtr->uNumBands)
2745 	return FALSE;
2746 
2747     TRACE("index %d\n", iBand);
2748     REBAR_DumpBandInfo (lprbbi);
2749 
2750     /* set band information */
2751     lpBand = REBAR_GetBand(infoPtr, iBand);
2752 
2753     uChanged = REBAR_CommonSetupBand (infoPtr->hwndSelf, lprbbi, lpBand);
2754     if (lprbbi->fMask & RBBIM_TEXT) {
2755         LPWSTR wstr = NULL;
2756         if (bUnicode)
2757             Str_SetPtrW(&wstr, lprbbi->lpText);
2758         else
2759             Str_SetPtrAtoW(&wstr, (LPSTR)lprbbi->lpText);
2760 
2761         if (REBAR_strdifW(wstr, lpBand->lpText)) {
2762             Free(lpBand->lpText);
2763             lpBand->lpText = wstr;
2764             uChanged |= RBBIM_TEXT;
2765         }
2766         else
2767             Free(wstr);
2768     }
2769 
2770     REBAR_ValidateBand (infoPtr, lpBand);
2771 
2772     REBAR_DumpBand (infoPtr);
2773 
2774     if (uChanged & (RBBIM_CHILDSIZE | RBBIM_SIZE | RBBIM_STYLE | RBBIM_IMAGE)) {
2775 	  REBAR_Layout(infoPtr);
2776 	  InvalidateRect(infoPtr->hwndSelf, NULL, TRUE);
2777     }
2778 
2779     return TRUE;
2780 }
2781 
2782 
2783 static LRESULT
2784 REBAR_SetBarInfo (REBAR_INFO *infoPtr, const REBARINFO *lpInfo)
2785 {
2786     REBAR_BAND *lpBand;
2787     UINT i;
2788 
2789     if (!lpInfo || lpInfo->cbSize < sizeof (REBARINFO))
2790 	return FALSE;
2791 
2792     TRACE("setting bar info!\n");
2793 
2794     if (lpInfo->fMask & RBIM_IMAGELIST) {
2795 	infoPtr->himl = lpInfo->himl;
2796 	if (infoPtr->himl) {
2797             INT cx, cy;
2798 	    ImageList_GetIconSize (infoPtr->himl, &cx, &cy);
2799 	    infoPtr->imageSize.cx = cx;
2800 	    infoPtr->imageSize.cy = cy;
2801 	}
2802 	else {
2803 	    infoPtr->imageSize.cx = 0;
2804 	    infoPtr->imageSize.cy = 0;
2805 	}
2806 	TRACE("new image cx=%d, cy=%d\n", infoPtr->imageSize.cx,
2807 	      infoPtr->imageSize.cy);
2808     }
2809 
2810     /* revalidate all bands to reset flags for images in headers of bands */
2811     for (i=0; i<infoPtr->uNumBands; i++) {
2812         lpBand = REBAR_GetBand(infoPtr, i);
2813 	REBAR_ValidateBand (infoPtr, lpBand);
2814     }
2815 
2816     return TRUE;
2817 }
2818 
2819 
2820 static LRESULT
2821 REBAR_SetBkColor (REBAR_INFO *infoPtr, COLORREF clr)
2822 {
2823     COLORREF clrTemp;
2824 
2825     clrTemp = infoPtr->clrBk;
2826     infoPtr->clrBk = clr;
2827 
2828     TRACE("background color 0x%06x!\n", infoPtr->clrBk);
2829 
2830     return clrTemp;
2831 }
2832 
2833 
2834 /* << REBAR_SetColorScheme >> */
2835 /* << REBAR_SetPalette >> */
2836 
2837 
2838 static LRESULT
2839 REBAR_SetParent (REBAR_INFO *infoPtr, HWND parent)
2840 {
2841     HWND hwndTemp = infoPtr->hwndNotify;
2842 
2843     infoPtr->hwndNotify = parent;
2844 
2845     return (LRESULT)hwndTemp;
2846 }
2847 
2848 
2849 static LRESULT
2850 REBAR_SetTextColor (REBAR_INFO *infoPtr, COLORREF clr)
2851 {
2852     COLORREF clrTemp;
2853 
2854     clrTemp = infoPtr->clrText;
2855     infoPtr->clrText = clr;
2856 
2857     TRACE("text color 0x%06x!\n", infoPtr->clrText);
2858 
2859     return clrTemp;
2860 }
2861 
2862 
2863 /* << REBAR_SetTooltips >> */
2864 
2865 
2866 static inline LRESULT
2867 REBAR_SetUnicodeFormat (REBAR_INFO *infoPtr, BOOL unicode)
2868 {
2869     BOOL bTemp = infoPtr->bUnicode;
2870 
2871     TRACE("to %s hwnd=%p, was %s\n",
2872 	   unicode ? "TRUE" : "FALSE", infoPtr->hwndSelf,
2873 	  (bTemp) ? "TRUE" : "FALSE");
2874 
2875     infoPtr->bUnicode = unicode;
2876 
2877    return bTemp;
2878 }
2879 
2880 
2881 static LRESULT
2882 REBAR_SetVersion (REBAR_INFO *infoPtr, INT iVersion)
2883 {
2884     INT iOldVersion = infoPtr->iVersion;
2885 
2886     if (iVersion > COMCTL32_VERSION)
2887 	return -1;
2888 
2889     infoPtr->iVersion = iVersion;
2890 
2891     TRACE("new version %d\n", iVersion);
2892 
2893     return iOldVersion;
2894 }
2895 
2896 
2897 static LRESULT
2898 REBAR_ShowBand (REBAR_INFO *infoPtr, INT iBand, BOOL show)
2899 {
2900     REBAR_BAND *lpBand;
2901 
2902     if (iBand < 0 || iBand >= infoPtr->uNumBands)
2903 	return FALSE;
2904 
2905     lpBand = REBAR_GetBand(infoPtr, iBand);
2906 
2907     if (show) {
2908 	TRACE("show band %d\n", iBand);
2909 	lpBand->fStyle = lpBand->fStyle & ~RBBS_HIDDEN;
2910 	if (IsWindow (lpBand->hwndChild))
2911 	    ShowWindow (lpBand->hwndChild, SW_SHOW);
2912     }
2913     else {
2914 	TRACE("hide band %d\n", iBand);
2915 	lpBand->fStyle = lpBand->fStyle | RBBS_HIDDEN;
2916 	if (IsWindow (lpBand->hwndChild))
2917 	    ShowWindow (lpBand->hwndChild, SW_HIDE);
2918     }
2919 
2920     REBAR_Layout(infoPtr);
2921     InvalidateRect(infoPtr->hwndSelf, NULL, TRUE);
2922 
2923     return TRUE;
2924 }
2925 
2926 
2927 static LRESULT
2928 #ifdef __REACTOS__
2929 REBAR_SizeToRect (REBAR_INFO *infoPtr, WPARAM flags, RECT *lpRect)
2930 #else
2931 REBAR_SizeToRect (REBAR_INFO *infoPtr, const RECT *lpRect)
2932 #endif
2933 {
2934     if (!lpRect) return FALSE;
2935 
2936     TRACE("[%s]\n", wine_dbgstr_rect(lpRect));
2937     REBAR_SizeToHeight(infoPtr, get_rect_cy(infoPtr, lpRect));
2938 
2939 #ifdef __REACTOS__
2940     /* Note that this undocumented flag is available on comctl32 v6 or later */
2941     if ((flags & RBSTR_CHANGERECT) != 0)
2942     {
2943         RECT rcRebar;
2944         GetClientRect(infoPtr->hwndSelf, &rcRebar);
2945         lpRect->bottom = lpRect->top + (rcRebar.bottom - rcRebar.top);
2946     }
2947 #endif
2948     return TRUE;
2949 }
2950 
2951 
2952 
2953 static LRESULT
2954 REBAR_Create (REBAR_INFO *infoPtr, LPCREATESTRUCTW cs)
2955 {
2956     RECT wnrc1, clrc1;
2957 
2958     if (TRACE_ON(rebar)) {
2959 	GetWindowRect(infoPtr->hwndSelf, &wnrc1);
2960 	GetClientRect(infoPtr->hwndSelf, &clrc1);
2961         TRACE("window=(%s) client=(%s) cs=(%d,%d %dx%d)\n",
2962               wine_dbgstr_rect(&wnrc1), wine_dbgstr_rect(&clrc1),
2963 	      cs->x, cs->y, cs->cx, cs->cy);
2964     }
2965 
2966     TRACE("created!\n");
2967 
2968     if (OpenThemeData (infoPtr->hwndSelf, themeClass))
2969     {
2970         /* native seems to clear WS_BORDER when themed */
2971         infoPtr->dwStyle &= ~WS_BORDER;
2972     }
2973 
2974     return 0;
2975 }
2976 
2977 
2978 static LRESULT
2979 REBAR_Destroy (REBAR_INFO *infoPtr)
2980 {
2981     REBAR_BAND *lpBand;
2982     UINT i;
2983 
2984     /* clean up each band */
2985     for (i = 0; i < infoPtr->uNumBands; i++) {
2986 	lpBand = REBAR_GetBand(infoPtr, i);
2987 
2988 	/* delete text strings */
2989         Free (lpBand->lpText);
2990 	lpBand->lpText = NULL;
2991 	/* destroy child window */
2992 	DestroyWindow (lpBand->hwndChild);
2993 	Free (lpBand);
2994     }
2995 
2996     /* free band array */
2997     DPA_Destroy (infoPtr->bands);
2998     infoPtr->bands = NULL;
2999 
3000     DestroyCursor (infoPtr->hcurArrow);
3001     DestroyCursor (infoPtr->hcurHorz);
3002     DestroyCursor (infoPtr->hcurVert);
3003     DestroyCursor (infoPtr->hcurDrag);
3004     if (infoPtr->hDefaultFont) DeleteObject (infoPtr->hDefaultFont);
3005     SetWindowLongPtrW (infoPtr->hwndSelf, 0, 0);
3006 
3007     CloseThemeData (GetWindowTheme (infoPtr->hwndSelf));
3008 
3009     /* free rebar info data */
3010     Free (infoPtr);
3011     TRACE("destroyed!\n");
3012     return 0;
3013 }
3014 
3015 static LRESULT
3016 REBAR_GetFont (const REBAR_INFO *infoPtr)
3017 {
3018     return (LRESULT)infoPtr->hFont;
3019 }
3020 
3021 static LRESULT
3022 REBAR_PushChevron(const REBAR_INFO *infoPtr, UINT uBand, LPARAM lParam)
3023 {
3024     if (uBand < infoPtr->uNumBands)
3025     {
3026         NMREBARCHEVRON nmrbc;
3027         REBAR_BAND *lpBand = REBAR_GetBand(infoPtr, uBand);
3028 
3029         TRACE("Pressed chevron on band %u\n", uBand);
3030 
3031         /* redraw chevron in pushed state */
3032         lpBand->fDraw |= DRAW_CHEVRONPUSHED;
3033         RedrawWindow(infoPtr->hwndSelf, &lpBand->rcChevron,0,
3034           RDW_ERASE|RDW_INVALIDATE|RDW_UPDATENOW);
3035 
3036         /* notify app so it can display a popup menu or whatever */
3037         nmrbc.uBand = uBand;
3038         nmrbc.wID = lpBand->wID;
3039         nmrbc.lParam = lpBand->lParam;
3040         nmrbc.rc = lpBand->rcChevron;
3041         nmrbc.lParamNM = lParam;
3042         REBAR_Notify((NMHDR*)&nmrbc, infoPtr, RBN_CHEVRONPUSHED);
3043 
3044         /* redraw chevron in previous state */
3045         lpBand->fDraw &= ~DRAW_CHEVRONPUSHED;
3046         InvalidateRect(infoPtr->hwndSelf, &lpBand->rcChevron, TRUE);
3047 
3048         return TRUE;
3049     }
3050     return FALSE;
3051 }
3052 
3053 static LRESULT
3054 REBAR_LButtonDown (REBAR_INFO *infoPtr, LPARAM lParam)
3055 {
3056     UINT htFlags;
3057     INT iHitBand;
3058     POINT ptMouseDown;
3059     ptMouseDown.x = (short)LOWORD(lParam);
3060     ptMouseDown.y = (short)HIWORD(lParam);
3061 
3062     REBAR_InternalHitTest(infoPtr, &ptMouseDown, &htFlags, &iHitBand);
3063 
3064     if (htFlags == RBHT_CHEVRON)
3065     {
3066         REBAR_PushChevron(infoPtr, iHitBand, 0);
3067     }
3068     else if (htFlags == RBHT_GRABBER || htFlags == RBHT_CAPTION)
3069     {
3070         REBAR_BAND *lpBand;
3071 
3072         TRACE("Starting drag\n");
3073 
3074         lpBand = REBAR_GetBand(infoPtr, iHitBand);
3075 
3076         SetCapture (infoPtr->hwndSelf);
3077         infoPtr->iGrabbedBand = iHitBand;
3078 
3079         /* save off the LOWORD and HIWORD of lParam as initial x,y */
3080         infoPtr->dragStart.x = (short)LOWORD(lParam);
3081         infoPtr->dragStart.y = (short)HIWORD(lParam);
3082         infoPtr->dragNow = infoPtr->dragStart;
3083         if (infoPtr->dwStyle & CCS_VERT)
3084             infoPtr->ihitoffset = infoPtr->dragStart.y - (lpBand->rcBand.left + REBAR_PRE_GRIPPER);
3085         else
3086             infoPtr->ihitoffset = infoPtr->dragStart.x - (lpBand->rcBand.left + REBAR_PRE_GRIPPER);
3087     }
3088     return 0;
3089 }
3090 
3091 static LRESULT
3092 REBAR_LButtonUp (REBAR_INFO *infoPtr)
3093 {
3094     if (infoPtr->iGrabbedBand >= 0)
3095     {
3096         NMHDR layout;
3097         RECT rect;
3098 
3099         infoPtr->dragStart.x = 0;
3100         infoPtr->dragStart.y = 0;
3101         infoPtr->dragNow = infoPtr->dragStart;
3102 
3103         ReleaseCapture ();
3104 
3105         if (infoPtr->fStatus & BEGIN_DRAG_ISSUED) {
3106             REBAR_Notify(&layout, infoPtr, RBN_LAYOUTCHANGED);
3107             REBAR_Notify_NMREBAR (infoPtr, infoPtr->iGrabbedBand, RBN_ENDDRAG);
3108             infoPtr->fStatus &= ~BEGIN_DRAG_ISSUED;
3109         }
3110 
3111         infoPtr->iGrabbedBand = -1;
3112 
3113         GetClientRect(infoPtr->hwndSelf, &rect);
3114         InvalidateRect(infoPtr->hwndSelf, NULL, TRUE);
3115     }
3116 
3117     return 0;
3118 }
3119 
3120 static LRESULT
3121 REBAR_MouseLeave (REBAR_INFO *infoPtr)
3122 {
3123     if (infoPtr->ichevronhotBand >= 0)
3124     {
3125         REBAR_BAND *lpChevronBand = REBAR_GetBand(infoPtr, infoPtr->ichevronhotBand);
3126         if (lpChevronBand->fDraw & DRAW_CHEVRONHOT)
3127         {
3128             lpChevronBand->fDraw &= ~DRAW_CHEVRONHOT;
3129             InvalidateRect(infoPtr->hwndSelf, &lpChevronBand->rcChevron, TRUE);
3130         }
3131     }
3132     infoPtr->iOldBand = -1;
3133     infoPtr->ichevronhotBand = -2;
3134 
3135     return TRUE;
3136 }
3137 
3138 static LRESULT
3139 REBAR_MouseMove (REBAR_INFO *infoPtr, LPARAM lParam)
3140 {
3141     REBAR_BAND *lpChevronBand;
3142     POINT ptMove;
3143 
3144     ptMove.x = (short)LOWORD(lParam);
3145     ptMove.y = (short)HIWORD(lParam);
3146 
3147     /* if we are currently dragging a band */
3148     if (infoPtr->iGrabbedBand >= 0)
3149     {
3150         REBAR_BAND *band;
3151         int yPtMove = (infoPtr->dwStyle & CCS_VERT ? ptMove.x : ptMove.y);
3152 
3153         if (GetCapture() != infoPtr->hwndSelf)
3154             ERR("We are dragging but haven't got capture?!?\n");
3155 
3156         band = REBAR_GetBand(infoPtr, infoPtr->iGrabbedBand);
3157 
3158         /* if mouse did not move much, exit */
3159         if ((abs(ptMove.x - infoPtr->dragNow.x) <= mindragx) &&
3160             (abs(ptMove.y - infoPtr->dragNow.y) <= mindragy)) return 0;
3161 
3162         /* on first significant mouse movement, issue notify */
3163         if (!(infoPtr->fStatus & BEGIN_DRAG_ISSUED)) {
3164             if (REBAR_Notify_NMREBAR (infoPtr, -1, RBN_BEGINDRAG)) {
3165                 /* Notify returned TRUE - abort drag */
3166                 infoPtr->dragStart.x = 0;
3167                 infoPtr->dragStart.y = 0;
3168                 infoPtr->dragNow = infoPtr->dragStart;
3169                 infoPtr->iGrabbedBand = -1;
3170                 ReleaseCapture ();
3171                 return 0;
3172             }
3173             infoPtr->fStatus |= BEGIN_DRAG_ISSUED;
3174         }
3175 
3176         /* Test for valid drag case - must not be first band in row */
3177         if ((yPtMove < band->rcBand.top) ||
3178               (yPtMove > band->rcBand.bottom)) {
3179             REBAR_HandleUDDrag (infoPtr, &ptMove);
3180         }
3181         else {
3182             REBAR_HandleLRDrag (infoPtr, &ptMove);
3183         }
3184     }
3185     else
3186     {
3187         INT iHitBand;
3188         UINT htFlags;
3189         TRACKMOUSEEVENT trackinfo;
3190 
3191         REBAR_InternalHitTest(infoPtr, &ptMove, &htFlags, &iHitBand);
3192 
3193         if (infoPtr->iOldBand >= 0 && infoPtr->iOldBand == infoPtr->ichevronhotBand)
3194         {
3195             lpChevronBand = REBAR_GetBand(infoPtr, infoPtr->ichevronhotBand);
3196             if (lpChevronBand->fDraw & DRAW_CHEVRONHOT)
3197             {
3198                 lpChevronBand->fDraw &= ~DRAW_CHEVRONHOT;
3199                 InvalidateRect(infoPtr->hwndSelf, &lpChevronBand->rcChevron, TRUE);
3200             }
3201             infoPtr->ichevronhotBand = -2;
3202         }
3203 
3204         if (htFlags == RBHT_CHEVRON)
3205         {
3206             /* fill in the TRACKMOUSEEVENT struct */
3207             trackinfo.cbSize = sizeof(TRACKMOUSEEVENT);
3208             trackinfo.dwFlags = TME_QUERY;
3209             trackinfo.hwndTrack = infoPtr->hwndSelf;
3210             trackinfo.dwHoverTime = 0;
3211 
3212             /* call _TrackMouseEvent to see if we are currently tracking for this hwnd */
3213             _TrackMouseEvent(&trackinfo);
3214 
3215             /* Make sure tracking is enabled so we receive a WM_MOUSELEAVE message */
3216             if(!(trackinfo.dwFlags & TME_LEAVE))
3217             {
3218                 trackinfo.dwFlags = TME_LEAVE; /* notify upon leaving */
3219 
3220                 /* call TRACKMOUSEEVENT so we receive a WM_MOUSELEAVE message */
3221                 /* and can properly deactivate the hot chevron */
3222                 _TrackMouseEvent(&trackinfo);
3223             }
3224 
3225             lpChevronBand = REBAR_GetBand(infoPtr, iHitBand);
3226             if (!(lpChevronBand->fDraw & DRAW_CHEVRONHOT))
3227             {
3228                 lpChevronBand->fDraw |= DRAW_CHEVRONHOT;
3229                 InvalidateRect(infoPtr->hwndSelf, &lpChevronBand->rcChevron, TRUE);
3230                 infoPtr->ichevronhotBand = iHitBand;
3231             }
3232         }
3233         infoPtr->iOldBand = iHitBand;
3234     }
3235 
3236     return 0;
3237 }
3238 
3239 
3240 static inline LRESULT
3241 REBAR_NCCalcSize (const REBAR_INFO *infoPtr, RECT *rect)
3242 {
3243     HTHEME theme;
3244 
3245     if (infoPtr->dwStyle & WS_BORDER) {
3246         rect->left   = min(rect->left + GetSystemMetrics(SM_CXEDGE), rect->right);
3247         rect->right  = max(rect->right - GetSystemMetrics(SM_CXEDGE), rect->left);
3248         rect->top    = min(rect->top + GetSystemMetrics(SM_CYEDGE), rect->bottom);
3249         rect->bottom = max(rect->bottom - GetSystemMetrics(SM_CYEDGE), rect->top);
3250     }
3251     else if ((theme = GetWindowTheme (infoPtr->hwndSelf)))
3252     {
3253         /* FIXME: should use GetThemeInt */
3254 #ifdef __REACTOS__
3255         rect->top = (rect->top + 1 < rect->bottom) ? rect->top : rect->bottom;
3256 #else
3257         rect->top = min(rect->top + 1, rect->bottom);
3258 #endif
3259     }
3260     TRACE("new client=(%s)\n", wine_dbgstr_rect(rect));
3261     return 0;
3262 }
3263 
3264 
3265 static LRESULT
3266 REBAR_NCCreate (HWND hwnd, const CREATESTRUCTW *cs)
3267 {
3268     REBAR_INFO *infoPtr = REBAR_GetInfoPtr (hwnd);
3269     RECT wnrc1, clrc1;
3270     NONCLIENTMETRICSW ncm;
3271     HFONT tfont;
3272 
3273     if (infoPtr) {
3274 	ERR("Strange info structure pointer *not* NULL\n");
3275 	return FALSE;
3276     }
3277 
3278     if (TRACE_ON(rebar)) {
3279 	GetWindowRect(hwnd, &wnrc1);
3280 	GetClientRect(hwnd, &clrc1);
3281         TRACE("window=(%s) client=(%s) cs=(%d,%d %dx%d)\n",
3282               wine_dbgstr_rect(&wnrc1), wine_dbgstr_rect(&clrc1),
3283 	      cs->x, cs->y, cs->cx, cs->cy);
3284     }
3285 
3286     /* allocate memory for info structure */
3287     infoPtr = Alloc (sizeof(REBAR_INFO));
3288     SetWindowLongPtrW (hwnd, 0, (DWORD_PTR)infoPtr);
3289 
3290     /* initialize info structure - initial values are 0 */
3291     infoPtr->clrBk = CLR_NONE;
3292     infoPtr->clrText = CLR_NONE;
3293     infoPtr->clrBtnText = comctl32_color.clrBtnText;
3294     infoPtr->clrBtnFace = comctl32_color.clrBtnFace;
3295     infoPtr->iOldBand = -1;
3296     infoPtr->ichevronhotBand = -2;
3297     infoPtr->iGrabbedBand = -1;
3298     infoPtr->hwndSelf = hwnd;
3299     infoPtr->DoRedraw = TRUE;
3300     infoPtr->hcurArrow = LoadCursorW (0, (LPWSTR)IDC_ARROW);
3301     infoPtr->hcurHorz  = LoadCursorW (0, (LPWSTR)IDC_SIZEWE);
3302     infoPtr->hcurVert  = LoadCursorW (0, (LPWSTR)IDC_SIZENS);
3303     infoPtr->hcurDrag  = LoadCursorW (0, (LPWSTR)IDC_SIZE);
3304     infoPtr->fStatus = 0;
3305     infoPtr->hFont = GetStockObject (SYSTEM_FONT);
3306     infoPtr->bands = DPA_Create(8);
3307 
3308     /* issue WM_NOTIFYFORMAT to get unicode status of parent */
3309     REBAR_NotifyFormat(infoPtr, NF_REQUERY);
3310 
3311     /* Stow away the original style */
3312     infoPtr->orgStyle = cs->style;
3313     /* add necessary styles to the requested styles */
3314     infoPtr->dwStyle = cs->style | WS_VISIBLE;
3315     if ((infoPtr->dwStyle & CCS_LAYOUT_MASK) == 0)
3316         infoPtr->dwStyle |= CCS_TOP;
3317     SetWindowLongW (hwnd, GWL_STYLE, infoPtr->dwStyle);
3318 
3319     /* get font handle for Caption Font */
3320     ncm.cbSize = sizeof(ncm);
3321     SystemParametersInfoW (SPI_GETNONCLIENTMETRICS, ncm.cbSize, &ncm, 0);
3322     /* if the font is bold, set to normal */
3323     if (ncm.lfCaptionFont.lfWeight > FW_NORMAL) {
3324 	ncm.lfCaptionFont.lfWeight = FW_NORMAL;
3325     }
3326     tfont = CreateFontIndirectW (&ncm.lfCaptionFont);
3327     if (tfont) {
3328         infoPtr->hFont = infoPtr->hDefaultFont = tfont;
3329     }
3330 
3331     return TRUE;
3332 }
3333 
3334 
3335 static LRESULT
3336 REBAR_NCHitTest (const REBAR_INFO *infoPtr, LPARAM lParam)
3337 {
3338     NMMOUSE nmmouse;
3339     POINT clpt;
3340     INT i;
3341     UINT scrap;
3342     LRESULT ret = HTCLIENT;
3343 
3344     /*
3345      * Differences from doc at MSDN (as observed with version 4.71 of
3346      *      comctl32.dll
3347      * 1. doc says nmmouse.pt is in screen coord, trace shows client coord.
3348      * 2. if band is not identified .dwItemSpec is 0xffffffff.
3349      * 3. native always seems to return HTCLIENT if notify return is 0.
3350      */
3351 
3352     clpt.x = (short)LOWORD(lParam);
3353     clpt.y = (short)HIWORD(lParam);
3354     ScreenToClient (infoPtr->hwndSelf, &clpt);
3355     REBAR_InternalHitTest (infoPtr, &clpt, &scrap,
3356 			   (INT *)&nmmouse.dwItemSpec);
3357     nmmouse.dwItemData = 0;
3358     nmmouse.pt = clpt;
3359 #ifdef __REACTOS__
3360     nmmouse.dwHitInfo = scrap;
3361 #else
3362     nmmouse.dwHitInfo = 0;
3363 #endif
3364     if ((i = REBAR_Notify((NMHDR *) &nmmouse, infoPtr, NM_NCHITTEST))) {
3365 	TRACE("notify changed return value from %ld to %d\n",
3366 	      ret, i);
3367 	ret = (LRESULT) i;
3368     }
3369     TRACE("returning %ld, client point %s\n", ret, wine_dbgstr_point(&clpt));
3370     return ret;
3371 }
3372 
3373 
3374 static LRESULT
3375 REBAR_NCPaint (const REBAR_INFO *infoPtr)
3376 {
3377     RECT rcWindow;
3378     HDC hdc;
3379     HTHEME theme;
3380 
3381     if (infoPtr->dwStyle & WS_MINIMIZE)
3382 	return 0; /* Nothing to do */
3383 
3384     if (infoPtr->dwStyle & WS_BORDER) {
3385 
3386 	/* adjust rectangle and draw the necessary edge */
3387 	if (!(hdc = GetDCEx( infoPtr->hwndSelf, 0, DCX_USESTYLE | DCX_WINDOW )))
3388 	    return 0;
3389 	GetWindowRect (infoPtr->hwndSelf, &rcWindow);
3390 	OffsetRect (&rcWindow, -rcWindow.left, -rcWindow.top);
3391         TRACE("rect (%s)\n", wine_dbgstr_rect(&rcWindow));
3392 	DrawEdge (hdc, &rcWindow, EDGE_ETCHED, BF_RECT);
3393 	ReleaseDC( infoPtr->hwndSelf, hdc );
3394     }
3395     else if ((theme = GetWindowTheme (infoPtr->hwndSelf)))
3396     {
3397         /* adjust rectangle and draw the necessary edge */
3398         if (!(hdc = GetDCEx( infoPtr->hwndSelf, 0, DCX_USESTYLE | DCX_WINDOW )))
3399             return 0;
3400         GetWindowRect (infoPtr->hwndSelf, &rcWindow);
3401         OffsetRect (&rcWindow, -rcWindow.left, -rcWindow.top);
3402         TRACE("rect (%s)\n", wine_dbgstr_rect(&rcWindow));
3403         DrawThemeEdge (theme, hdc, 0, 0, &rcWindow, BDR_RAISEDINNER, BF_TOP, NULL);
3404         ReleaseDC( infoPtr->hwndSelf, hdc );
3405     }
3406 
3407     return 0;
3408 }
3409 
3410 
3411 static LRESULT
3412 REBAR_NotifyFormat (REBAR_INFO *infoPtr, LPARAM cmd)
3413 {
3414     INT i;
3415 
3416     if (cmd == NF_REQUERY) {
3417 	i = SendMessageW(REBAR_GetNotifyParent (infoPtr),
3418 			 WM_NOTIFYFORMAT, (WPARAM)infoPtr->hwndSelf, NF_QUERY);
3419         if ((i != NFR_ANSI) && (i != NFR_UNICODE)) {
3420 	    ERR("wrong response to WM_NOTIFYFORMAT (%d), assuming ANSI\n", i);
3421 	    i = NFR_ANSI;
3422 	}
3423         infoPtr->bUnicode = (i == NFR_UNICODE);
3424 	return (LRESULT)i;
3425     }
3426     return (LRESULT)((infoPtr->bUnicode) ? NFR_UNICODE : NFR_ANSI);
3427 }
3428 
3429 
3430 static LRESULT
3431 REBAR_Paint (const REBAR_INFO *infoPtr, HDC hdc)
3432 {
3433     if (hdc) {
3434         TRACE("painting\n");
3435 #ifdef __REACTOS__
3436         REBAR_EraseBkGnd (infoPtr, hdc);
3437 #endif
3438         REBAR_Refresh (infoPtr, hdc);
3439     } else {
3440         PAINTSTRUCT ps;
3441         hdc = BeginPaint (infoPtr->hwndSelf, &ps);
3442         TRACE("painting (%s)\n", wine_dbgstr_rect(&ps.rcPaint));
3443         if (ps.fErase) {
3444             /* Erase area of paint if requested */
3445             REBAR_EraseBkGnd (infoPtr, hdc);
3446         }
3447         REBAR_Refresh (infoPtr, hdc);
3448 	EndPaint (infoPtr->hwndSelf, &ps);
3449     }
3450 
3451     return 0;
3452 }
3453 
3454 
3455 static LRESULT
3456 REBAR_SetCursor (const REBAR_INFO *infoPtr, LPARAM lParam)
3457 {
3458     POINT pt;
3459     UINT  flags;
3460 
3461     TRACE("code=0x%X  id=0x%X\n", LOWORD(lParam), HIWORD(lParam));
3462 
3463     GetCursorPos (&pt);
3464     ScreenToClient (infoPtr->hwndSelf, &pt);
3465 
3466     REBAR_InternalHitTest (infoPtr, &pt, &flags, NULL);
3467 
3468     if (flags == RBHT_GRABBER) {
3469 	if ((infoPtr->dwStyle & CCS_VERT) &&
3470 	    !(infoPtr->dwStyle & RBS_VERTICALGRIPPER))
3471 	    SetCursor (infoPtr->hcurVert);
3472 	else
3473 	    SetCursor (infoPtr->hcurHorz);
3474     }
3475     else if (flags != RBHT_CLIENT)
3476 	SetCursor (infoPtr->hcurArrow);
3477 
3478     return 0;
3479 }
3480 
3481 
3482 static LRESULT
3483 REBAR_SetFont (REBAR_INFO *infoPtr, HFONT font)
3484 {
3485     REBAR_BAND *lpBand;
3486     UINT i;
3487 
3488     infoPtr->hFont = font;
3489 
3490     /* revalidate all bands to change sizes of text in headers of bands */
3491     for (i=0; i<infoPtr->uNumBands; i++) {
3492         lpBand = REBAR_GetBand(infoPtr, i);
3493 	REBAR_ValidateBand (infoPtr, lpBand);
3494     }
3495 
3496     REBAR_Layout(infoPtr);
3497     return 0;
3498 }
3499 
3500 
3501 /*****************************************************
3502  *
3503  *  Handles the WM_SETREDRAW message.
3504  *
3505  * Documentation:
3506  *  According to testing V4.71 of COMCTL32 returns the
3507  *  *previous* status of the redraw flag (either 0 or -1)
3508  *  instead of the MSDN documented value of 0 if handled
3509  *
3510  *****************************************************/
3511 static inline LRESULT
3512 REBAR_SetRedraw (REBAR_INFO *infoPtr, BOOL redraw)
3513 {
3514     BOOL oldredraw = infoPtr->DoRedraw;
3515 
3516     TRACE("set to %s, fStatus=%08x\n",
3517 	  (redraw) ? "TRUE" : "FALSE", infoPtr->fStatus);
3518     infoPtr->DoRedraw = redraw;
3519     if (redraw) {
3520 	if (infoPtr->fStatus & BAND_NEEDS_REDRAW) {
3521 	    REBAR_MoveChildWindows (infoPtr, 0, infoPtr->uNumBands);
3522 	    REBAR_ForceResize (infoPtr);
3523 	    InvalidateRect (infoPtr->hwndSelf, NULL, TRUE);
3524 	}
3525 	infoPtr->fStatus &= ~BAND_NEEDS_REDRAW;
3526     }
3527     return (oldredraw) ? -1 : 0;
3528 }
3529 
3530 
3531 static LRESULT
3532 REBAR_Size (REBAR_INFO *infoPtr, WPARAM wParam, LPARAM lParam)
3533 {
3534     TRACE("wParam=%lx, lParam=%lx\n", wParam, lParam);
3535 
3536     /* avoid _Layout resize recursion (but it shouldn't be infinite and it seems Windows does recurse) */
3537     if (infoPtr->fStatus & SELF_RESIZE) {
3538 	infoPtr->fStatus &= ~SELF_RESIZE;
3539 	TRACE("SELF_RESIZE was set, reset, fStatus=%08x lparam=%08lx\n",
3540 	      infoPtr->fStatus, lParam);
3541 	return 0;
3542     }
3543 
3544     if (infoPtr->dwStyle & RBS_AUTOSIZE)
3545         REBAR_AutoSize(infoPtr, TRUE);
3546     else
3547         REBAR_Layout(infoPtr);
3548 
3549     return 0;
3550 }
3551 
3552 
3553 static LRESULT
3554 REBAR_StyleChanged (REBAR_INFO *infoPtr, INT nType, const STYLESTRUCT *lpStyle)
3555 {
3556     TRACE("current style=%08x, styleOld=%08x, style being set to=%08x\n",
3557 	  infoPtr->dwStyle, lpStyle->styleOld, lpStyle->styleNew);
3558     if (nType == GWL_STYLE)
3559     {
3560         infoPtr->orgStyle = infoPtr->dwStyle = lpStyle->styleNew;
3561         if (GetWindowTheme (infoPtr->hwndSelf))
3562             infoPtr->dwStyle &= ~WS_BORDER;
3563         /* maybe it should be COMMON_STYLES like in toolbar */
3564         if ((lpStyle->styleNew ^ lpStyle->styleOld) & CCS_VERT)
3565             REBAR_Layout(infoPtr);
3566     }
3567     return FALSE;
3568 }
3569 
3570 /* update theme after a WM_THEMECHANGED message */
3571 static LRESULT theme_changed (REBAR_INFO* infoPtr)
3572 {
3573     HTHEME theme = GetWindowTheme (infoPtr->hwndSelf);
3574     CloseThemeData (theme);
3575     theme = OpenThemeData (infoPtr->hwndSelf, themeClass);
3576     /* WS_BORDER disappears when theming is enabled and reappears when
3577      * disabled... */
3578     infoPtr->dwStyle &= ~WS_BORDER;
3579     infoPtr->dwStyle |= theme ? 0 : (infoPtr->orgStyle & WS_BORDER);
3580     return 0;
3581 }
3582 
3583 static LRESULT
3584 REBAR_WindowPosChanged (const REBAR_INFO *infoPtr, WPARAM wParam, LPARAM lParam)
3585 {
3586     LRESULT ret;
3587     RECT rc;
3588 
3589     ret = DefWindowProcW(infoPtr->hwndSelf, WM_WINDOWPOSCHANGED,
3590 			 wParam, lParam);
3591     GetWindowRect(infoPtr->hwndSelf, &rc);
3592     TRACE("hwnd %p new pos (%s)\n", infoPtr->hwndSelf, wine_dbgstr_rect(&rc));
3593     return ret;
3594 }
3595 
3596 
3597 static LRESULT WINAPI
3598 REBAR_WindowProc (HWND hwnd, UINT uMsg, WPARAM wParam, LPARAM lParam)
3599 {
3600     REBAR_INFO *infoPtr = REBAR_GetInfoPtr (hwnd);
3601 
3602     TRACE("hwnd=%p msg=%x wparam=%lx lparam=%lx\n",
3603 	  hwnd, uMsg, wParam, lParam);
3604     if (!infoPtr && (uMsg != WM_NCCREATE))
3605         return DefWindowProcW (hwnd, uMsg, wParam, lParam);
3606     switch (uMsg)
3607     {
3608 /*	case RB_BEGINDRAG: */
3609 
3610 	case RB_DELETEBAND:
3611 	    return REBAR_DeleteBand (infoPtr, wParam);
3612 
3613 /*	case RB_DRAGMOVE: */
3614 /*	case RB_ENDDRAG: */
3615 
3616 	case RB_GETBANDBORDERS:
3617 	    return REBAR_GetBandBorders (infoPtr, wParam, (LPRECT)lParam);
3618 
3619 	case RB_GETBANDCOUNT:
3620 	    return REBAR_GetBandCount (infoPtr);
3621 
3622 	case RB_GETBANDINFO_OLD:
3623 	case RB_GETBANDINFOA:
3624 	case RB_GETBANDINFOW:
3625 	    return REBAR_GetBandInfoT(infoPtr, wParam, (LPREBARBANDINFOW)lParam,
3626 	                                                uMsg == RB_GETBANDINFOW);
3627 	case RB_GETBARHEIGHT:
3628 	    return REBAR_GetBarHeight (infoPtr);
3629 
3630 	case RB_GETBARINFO:
3631 	    return REBAR_GetBarInfo (infoPtr, (LPREBARINFO)lParam);
3632 
3633 	case RB_GETBKCOLOR:
3634 	    return REBAR_GetBkColor (infoPtr);
3635 
3636 /*	case RB_GETCOLORSCHEME: */
3637 /*	case RB_GETDROPTARGET: */
3638 
3639 	case RB_GETPALETTE:
3640 	    return REBAR_GetPalette (infoPtr);
3641 
3642 	case RB_GETRECT:
3643 	    return REBAR_GetRect (infoPtr, wParam, (LPRECT)lParam);
3644 
3645 	case RB_GETROWCOUNT:
3646 	    return REBAR_GetRowCount (infoPtr);
3647 
3648 	case RB_GETROWHEIGHT:
3649 	    return REBAR_GetRowHeight (infoPtr, wParam);
3650 
3651 	case RB_GETTEXTCOLOR:
3652 	    return REBAR_GetTextColor (infoPtr);
3653 
3654 	case RB_GETTOOLTIPS:
3655 	    return REBAR_GetToolTips (infoPtr);
3656 
3657 	case RB_GETUNICODEFORMAT:
3658 	    return REBAR_GetUnicodeFormat (infoPtr);
3659 
3660 	case CCM_GETVERSION:
3661 	    return REBAR_GetVersion (infoPtr);
3662 
3663 	case RB_HITTEST:
3664 	    return REBAR_HitTest (infoPtr, (LPRBHITTESTINFO)lParam);
3665 
3666 	case RB_IDTOINDEX:
3667 	    return REBAR_IdToIndex (infoPtr, wParam);
3668 
3669 	case RB_INSERTBANDA:
3670 	case RB_INSERTBANDW:
3671 	    return REBAR_InsertBandT(infoPtr, wParam, (LPREBARBANDINFOW)lParam,
3672 	                                               uMsg == RB_INSERTBANDW);
3673 	case RB_MAXIMIZEBAND:
3674 	    return REBAR_MaximizeBand (infoPtr, wParam, lParam);
3675 
3676 	case RB_MINIMIZEBAND:
3677 	    return REBAR_MinimizeBand (infoPtr, wParam);
3678 
3679 	case RB_MOVEBAND:
3680 	    return REBAR_MoveBand (infoPtr, wParam, lParam);
3681 
3682 	case RB_PUSHCHEVRON:
3683 	    return REBAR_PushChevron (infoPtr, wParam, lParam);
3684 
3685 	case RB_SETBANDINFOA:
3686 	case RB_SETBANDINFOW:
3687 	    return REBAR_SetBandInfoT(infoPtr, wParam, (LPREBARBANDINFOW)lParam,
3688 	                                                uMsg == RB_SETBANDINFOW);
3689 	case RB_SETBARINFO:
3690 	    return REBAR_SetBarInfo (infoPtr, (LPREBARINFO)lParam);
3691 
3692 	case RB_SETBKCOLOR:
3693 	    return REBAR_SetBkColor (infoPtr, lParam);
3694 
3695 /*	case RB_SETCOLORSCHEME: */
3696 /*	case RB_SETPALETTE: */
3697 
3698 	case RB_SETPARENT:
3699 	    return REBAR_SetParent (infoPtr, (HWND)wParam);
3700 
3701 	case RB_SETTEXTCOLOR:
3702 	    return REBAR_SetTextColor (infoPtr, lParam);
3703 
3704 /*	case RB_SETTOOLTIPS: */
3705 
3706 	case RB_SETUNICODEFORMAT:
3707 	    return REBAR_SetUnicodeFormat (infoPtr, wParam);
3708 
3709 	case CCM_SETVERSION:
3710 	    return REBAR_SetVersion (infoPtr, (INT)wParam);
3711 
3712 	case RB_SHOWBAND:
3713 	    return REBAR_ShowBand (infoPtr, wParam, lParam);
3714 
3715 	case RB_SIZETORECT:
3716 #ifdef __REACTOS__
3717 	    return REBAR_SizeToRect (infoPtr, wParam, (LPRECT)lParam);
3718 #else
3719 	    return REBAR_SizeToRect (infoPtr, (LPCRECT)lParam);
3720 #endif
3721 
3722 
3723 /*    Messages passed to parent */
3724 	case WM_COMMAND:
3725 	case WM_DRAWITEM:
3726 	case WM_NOTIFY:
3727         case WM_MEASUREITEM:
3728             return SendMessageW(REBAR_GetNotifyParent (infoPtr), uMsg, wParam, lParam);
3729 
3730 
3731 /*      case WM_CHARTOITEM:     supported according to ControlSpy */
3732 
3733 	case WM_CREATE:
3734 	    return REBAR_Create (infoPtr, (LPCREATESTRUCTW)lParam);
3735 
3736 	case WM_DESTROY:
3737 	    return REBAR_Destroy (infoPtr);
3738 
3739         case WM_ERASEBKGND:
3740 	    return REBAR_EraseBkGnd (infoPtr, (HDC)wParam);
3741 
3742 	case WM_GETFONT:
3743 	    return REBAR_GetFont (infoPtr);
3744 
3745 /*      case WM_LBUTTONDBLCLK:  supported according to ControlSpy */
3746 
3747 	case WM_LBUTTONDOWN:
3748 	    return REBAR_LButtonDown (infoPtr, lParam);
3749 
3750 	case WM_LBUTTONUP:
3751 	    return REBAR_LButtonUp (infoPtr);
3752 
3753 	case WM_MOUSEMOVE:
3754 	    return REBAR_MouseMove (infoPtr, lParam);
3755 
3756 	case WM_MOUSELEAVE:
3757 	    return REBAR_MouseLeave (infoPtr);
3758 
3759 	case WM_NCCALCSIZE:
3760 	    return REBAR_NCCalcSize (infoPtr, (RECT*)lParam);
3761 
3762         case WM_NCCREATE:
3763 	    return REBAR_NCCreate (hwnd, (LPCREATESTRUCTW)lParam);
3764 
3765         case WM_NCHITTEST:
3766 	    return REBAR_NCHitTest (infoPtr, lParam);
3767 
3768 	case WM_NCPAINT:
3769 	    return REBAR_NCPaint (infoPtr);
3770 
3771         case WM_NOTIFYFORMAT:
3772 	    return REBAR_NotifyFormat (infoPtr, lParam);
3773 
3774 	case WM_PRINTCLIENT:
3775 	case WM_PAINT:
3776 	    return REBAR_Paint (infoPtr, (HDC)wParam);
3777 
3778 /*      case WM_PALETTECHANGED: supported according to ControlSpy */
3779 /*      case WM_QUERYNEWPALETTE:supported according to ControlSpy */
3780 /*      case WM_RBUTTONDOWN:    supported according to ControlSpy */
3781 /*      case WM_RBUTTONUP:      supported according to ControlSpy */
3782 
3783 	case WM_SETCURSOR:
3784 	    return REBAR_SetCursor (infoPtr, lParam);
3785 
3786 	case WM_SETFONT:
3787 	    return REBAR_SetFont (infoPtr, (HFONT)wParam);
3788 
3789         case WM_SETREDRAW:
3790 	    return REBAR_SetRedraw (infoPtr, wParam);
3791 
3792 	case WM_SIZE:
3793 	    return REBAR_Size (infoPtr, wParam, lParam);
3794 
3795         case WM_STYLECHANGED:
3796 	    return REBAR_StyleChanged (infoPtr, wParam, (LPSTYLESTRUCT)lParam);
3797 
3798         case WM_THEMECHANGED:
3799             return theme_changed (infoPtr);
3800 
3801         case WM_SYSCOLORCHANGE:
3802             COMCTL32_RefreshSysColors();
3803 #ifdef __REACTOS__
3804             /* r51522 - Properly support WM_SYSCOLORCHANGE */
3805             infoPtr->clrBtnText = comctl32_color.clrBtnText;
3806             infoPtr->clrBtnFace = comctl32_color.clrBtnFace;
3807 #endif
3808             return 0;
3809 
3810 /*      case WM_VKEYTOITEM:     supported according to ControlSpy */
3811 /*	case WM_WININICHANGE: */
3812 
3813         case WM_WINDOWPOSCHANGED:
3814 	    return REBAR_WindowPosChanged (infoPtr, wParam, lParam);
3815 
3816 	default:
3817 	    if ((uMsg >= WM_USER) && (uMsg < WM_APP) && !COMCTL32_IsReflectedMessage(uMsg))
3818 		ERR("unknown msg %04x wp=%08lx lp=%08lx\n",
3819 		     uMsg, wParam, lParam);
3820 	    return DefWindowProcW (hwnd, uMsg, wParam, lParam);
3821     }
3822 }
3823 
3824 
3825 VOID
3826 REBAR_Register (void)
3827 {
3828     WNDCLASSW wndClass;
3829 
3830     ZeroMemory (&wndClass, sizeof(WNDCLASSW));
3831     wndClass.style         = CS_GLOBALCLASS | CS_DBLCLKS;
3832     wndClass.lpfnWndProc   = REBAR_WindowProc;
3833     wndClass.cbClsExtra    = 0;
3834     wndClass.cbWndExtra    = sizeof(REBAR_INFO *);
3835     wndClass.hCursor       = 0;
3836     wndClass.hbrBackground = (HBRUSH)(COLOR_BTNFACE + 1);
3837 #if GLATESTING
3838     wndClass.hbrBackground = CreateSolidBrush(RGB(0,128,0));
3839 #endif
3840     wndClass.lpszClassName = REBARCLASSNAMEW;
3841 
3842     RegisterClassW (&wndClass);
3843 
3844     mindragx = GetSystemMetrics (SM_CXDRAG);
3845     mindragy = GetSystemMetrics (SM_CYDRAG);
3846 
3847 }
3848 
3849 
3850 VOID
3851 REBAR_Unregister (void)
3852 {
3853     UnregisterClassW (REBARCLASSNAMEW, NULL);
3854 }
3855