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wine/dlls/comctl32/rebar.c

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  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_MEASUREITEM
 50  *   - WM_PALETTECHANGED
 51  *   - WM_QUERYNEWPALETTE
 52  *   - WM_RBUTTONDOWN
 53  *   - WM_RBUTTONUP
 54  *   - WM_SYSCOLORCHANGE
 55  *   - WM_VKEYTOITEM
 56  *   - WM_WININICHANGE
 57  *   Notifications:
 58  *   - NM_HCHITTEST
 59  *   - NM_RELEASEDCAPTURE
 60  *   - RBN_AUTOBREAK
 61  *   - RBN_GETOBJECT
 62  *   - RBN_MINMAX
 63  *   Band styles:
 64  *   - RBBS_FIXEDBMP
 65  *   Native uses (on each draw!!) SM_CYBORDER (or SM_CXBORDER for CCS_VERT)
 66  *   to set the size of the separator width (the value SEP_WIDTH_SIZE
 67  *   in here). Should be fixed!!
 68  */
 69 
 70 /*
 71  * Testing: set to 1 to make background brush *always* green
 72  */
 73 #define GLATESTING 0
 74 
 75 /*
 76  * 3. REBAR_MoveChildWindows should have a loop because more than
 77  *    one pass (together with the RBN_CHILDSIZEs) is made on
 78  *    at least RB_INSERTBAND
 79  */
 80 
 81 #include <stdarg.h>
 82 #include <stdlib.h>
 83 #include <string.h>
 84 
 85 #include "windef.h"
 86 #include "winbase.h"
 87 #include "wingdi.h"
 88 #include "wine/unicode.h"
 89 #include "winuser.h"
 90 #include "winnls.h"
 91 #include "commctrl.h"
 92 #include "comctl32.h"
 93 #include "uxtheme.h"
 94 #include "tmschema.h"
 95 #include "wine/debug.h"
 96 
 97 WINE_DEFAULT_DEBUG_CHANNEL(rebar);
 98 
 99 typedef struct
100 {
101     UINT    fStyle;
102     UINT    fMask;
103     COLORREF  clrFore;
104     COLORREF  clrBack;
105     INT     iImage;
106     HWND    hwndChild;
107     UINT    cxMinChild;     /* valid if _CHILDSIZE */
108     UINT    cyMinChild;     /* valid if _CHILDSIZE */
109     UINT    cx;             /* valid if _SIZE */
110     HBITMAP hbmBack;
111     UINT    wID;
112     UINT    cyChild;        /* valid if _CHILDSIZE */
113     UINT    cyMaxChild;     /* valid if _CHILDSIZE */
114     UINT    cyIntegral;     /* valid if _CHILDSIZE */
115     UINT    cxIdeal;
116     LPARAM    lParam;
117     UINT    cxHeader;
118 
119     INT     cxEffective;    /* current cx for band */
120     UINT    cyHeader;       /* the height of the header */
121     UINT    cxMinBand;      /* minimum cx for band */
122     UINT    cyMinBand;      /* minimum cy for band */
123 
124     UINT    cyRowSoFar;     /* for RBS_VARHEIGHT - the height of the row if it would break on this band (set by _Layout) */
125     INT     iRow;           /* zero-based index of the row this band assigned to */
126     UINT    fStatus;        /* status flags, reset only by _Validate */
127     UINT    fDraw;          /* drawing flags, reset only by _Layout */
128     UINT    uCDret;         /* last return from NM_CUSTOMDRAW */
129     RECT    rcBand;         /* calculated band rectangle - coordinates swapped for CCS_VERT */
130     RECT    rcGripper;      /* calculated gripper rectangle */
131     RECT    rcCapImage;     /* calculated caption image rectangle */
132     RECT    rcCapText;      /* calculated caption text rectangle */
133     RECT    rcChild;        /* calculated child rectangle */
134     RECT    rcChevron;      /* calculated chevron rectangle */
135 
136     LPWSTR    lpText;
137     HWND    hwndPrevParent;
138 } REBAR_BAND;
139 
140 /* fStatus flags */
141 #define HAS_GRIPPER    0x00000001
142 #define HAS_IMAGE      0x00000002
143 #define HAS_TEXT       0x00000004
144 
145 /* fDraw flags */
146 #define DRAW_GRIPPER    0x00000001
147 #define DRAW_IMAGE      0x00000002
148 #define DRAW_TEXT       0x00000004
149 #define DRAW_CHEVRONHOT 0x00000040
150 #define DRAW_CHEVRONPUSHED 0x00000080
151 #define NTF_INVALIDATE  0x01000000
152 
153 typedef struct
154 {
155     COLORREF   clrBk;       /* background color */
156     COLORREF   clrText;     /* text color */
157     COLORREF   clrBtnText;  /* system color for BTNTEXT */
158     COLORREF   clrBtnFace;  /* system color for BTNFACE */
159     HIMAGELIST himl;        /* handle to imagelist */
160     UINT     uNumBands;   /* # of bands in rebar (first=0, last=uNumBands-1 */
161     UINT     uNumRows;    /* # of rows of bands (first=1, last=uNumRows */
162     HWND     hwndSelf;    /* handle of REBAR window itself */
163     HWND     hwndToolTip; /* handle to the tool tip control */
164     HWND     hwndNotify;  /* notification window (parent) */
165     HFONT    hDefaultFont;
166     HFONT    hFont;       /* handle to the rebar's font */
167     SIZE     imageSize;   /* image size (image list) */
168     DWORD    dwStyle;     /* window style */
169     DWORD    orgStyle;    /* original style (dwStyle may change) */
170     SIZE     calcSize;    /* calculated rebar size - coordinates swapped for CCS_VERT */
171     BOOL     bUnicode;    /* TRUE if parent wants notify in W format */
172     BOOL     DoRedraw;    /* TRUE to actually draw bands */
173     UINT     fStatus;     /* Status flags (see below)  */
174     HCURSOR  hcurArrow;   /* handle to the arrow cursor */
175     HCURSOR  hcurHorz;    /* handle to the EW cursor */
176     HCURSOR  hcurVert;    /* handle to the NS cursor */
177     HCURSOR  hcurDrag;    /* handle to the drag cursor */
178     INT      iVersion;    /* version number */
179     POINT    dragStart;   /* x,y of button down */
180     POINT    dragNow;     /* x,y of this MouseMove */
181     INT      iOldBand;    /* last band that had the mouse cursor over it */
182     INT      ihitoffset;  /* offset of hotspot from gripper.left */
183     INT      ichevronhotBand; /* last band that had a hot chevron */
184     INT      iGrabbedBand;/* band number of band whose gripper was grabbed */
185 
186     REBAR_BAND *bands;      /* pointer to the array of rebar bands */
187 } REBAR_INFO;
188 
189 /* fStatus flags */
190 #define BEGIN_DRAG_ISSUED   0x00000001
191 #define SELF_RESIZE         0x00000002
192 #define BAND_NEEDS_REDRAW   0x00000020
193 
194 /* used by Windows to mark that the header size has been set by the user and shouldn't be changed */
195 #define RBBS_UNDOC_FIXEDHEADER 0x40000000
196 
197 /* ----   REBAR layout constants. Mostly determined by        ---- */
198 /* ----   experiment on WIN 98.                               ---- */
199 
200 /* Width (or height) of separators between bands (either horz. or  */
201 /* vert.). True only if RBS_BANDBORDERS is set                     */
202 #define SEP_WIDTH_SIZE  2
203 #define SEP_WIDTH       ((infoPtr->dwStyle & RBS_BANDBORDERS) ? SEP_WIDTH_SIZE : 0)
204 
205 /* Blank (background color) space between Gripper (if present)     */
206 /* and next item (image, text, or window). Always present          */
207 #define REBAR_ALWAYS_SPACE  4
208 
209 /* Blank (background color) space after Image (if present).        */
210 #define REBAR_POST_IMAGE  2
211 
212 /* Blank (background color) space after Text (if present).         */
213 #define REBAR_POST_TEXT  4
214 
215 /* Height of vertical gripper in a CCS_VERT rebar.                 */
216 #define GRIPPER_HEIGHT  16
217 
218 /* Blank (background color) space before Gripper (if present).     */
219 #define REBAR_PRE_GRIPPER   2
220 
221 /* Width (of normal vertical gripper) or height (of horz. gripper) */
222 /* if present.                                                     */
223 #define GRIPPER_WIDTH  3
224 
225 /* Width of the chevron button if present */
226 #define CHEVRON_WIDTH  10
227 
228 /* the gap between the child and the next band */
229 #define REBAR_POST_CHILD 4
230 
231 /* Height of divider for Rebar if not disabled (CCS_NODIVIDER)     */
232 /* either top or bottom                                            */
233 #define REBAR_DIVIDER  2
234 
235 /* height of a rebar without a child */
236 #define REBAR_NO_CHILD_HEIGHT 4
237 
238 /* minimum vertical height of a normal bar                        */
239 /*   or minimum width of a CCS_VERT bar - from experiment on Win2k */
240 #define REBAR_MINSIZE  23
241 
242 /* This is the increment that is used over the band height         */
243 #define REBARSPACE(a)     ((a->fStyle & RBBS_CHILDEDGE) ? 2*REBAR_DIVIDER : 0)
244 
245 /* ----   End of REBAR layout constants.                      ---- */
246 
247 #define RB_GETBANDINFO_OLD (WM_USER+5) /* obsoleted after IE3, but we have to support it anyway */
248 
249 /*  The following define determines if a given band is hidden      */
250 #define HIDDENBAND(a)  (((a)->fStyle & RBBS_HIDDEN) ||   \
251                         ((infoPtr->dwStyle & CCS_VERT) &&         \
252                          ((a)->fStyle & RBBS_NOVERT)))
253 
254 #define REBAR_GetInfoPtr(wndPtr) ((REBAR_INFO *)GetWindowLongPtrW (hwnd, 0))
255 
256 static LRESULT REBAR_NotifyFormat(REBAR_INFO *infoPtr, WPARAM wParam, LPARAM lParam);
257 static void REBAR_AutoSize(REBAR_INFO *infoPtr, BOOL needsLayout);
258 
259 /* "constant values" retrieved when DLL was initialized    */
260 /* FIXME we do this when the classes are registered.       */
261 static UINT mindragx = 0;
262 static UINT mindragy = 0;
263 
264 static const char * const band_stylename[] = {
265     "RBBS_BREAK",              /* 0001 */
266     "RBBS_FIXEDSIZE",          /* 0002 */
267     "RBBS_CHILDEDGE",          /* 0004 */
268     "RBBS_HIDDEN",             /* 0008 */
269     "RBBS_NOVERT",             /* 0010 */
270     "RBBS_FIXEDBMP",           /* 0020 */
271     "RBBS_VARIABLEHEIGHT",     /* 0040 */
272     "RBBS_GRIPPERALWAYS",      /* 0080 */
273     "RBBS_NOGRIPPER",          /* 0100 */
274     NULL };
275 
276 static const char * const band_maskname[] = {
277     "RBBIM_STYLE",         /*    0x00000001 */
278     "RBBIM_COLORS",        /*    0x00000002 */
279     "RBBIM_TEXT",          /*    0x00000004 */
280     "RBBIM_IMAGE",         /*    0x00000008 */
281     "RBBIM_CHILD",         /*    0x00000010 */
282     "RBBIM_CHILDSIZE",     /*    0x00000020 */
283     "RBBIM_SIZE",          /*    0x00000040 */
284     "RBBIM_BACKGROUND",    /*    0x00000080 */
285     "RBBIM_ID",            /*    0x00000100 */
286     "RBBIM_IDEALSIZE",     /*    0x00000200 */
287     "RBBIM_LPARAM",        /*    0x00000400 */
288     "RBBIM_HEADERSIZE",    /*    0x00000800 */
289     NULL };
290 
291 
292 static CHAR line[200];
293 
294 static const WCHAR themeClass[] = { 'R','e','b','a','r',0 };
295 
296 static CHAR *
297 REBAR_FmtStyle( UINT style)
298 {
299     INT i = 0;
300 
301     *line = 0;
302     while (band_stylename[i]) {
303         if (style & (1<<i)) {
304             if (*line != 0) strcat(line, " | ");
305             strcat(line, band_stylename[i]);
306         }
307         i++;
308     }
309     return line;
310 }
311 
312 
313 static CHAR *
314 REBAR_FmtMask( UINT mask)
315 {
316     INT i = 0;
317 
318     *line = 0;
319     while (band_maskname[i]) {
320         if (mask & (1<<i)) {
321             if (*line != 0) strcat(line, " | ");
322             strcat(line, band_maskname[i]);
323         }
324         i++;
325     }
326     return line;
327 }
328 
329 
330 static VOID
331 REBAR_DumpBandInfo(const REBARBANDINFOW *pB)
332 {
333     if( !TRACE_ON(rebar) ) return;
334     TRACE("band info: ");
335     if (pB->fMask & RBBIM_ID)
336         TRACE("ID=%u, ", pB->wID);
337     TRACE("size=%u, child=%p", pB->cbSize, pB->hwndChild);
338     if (pB->fMask & RBBIM_COLORS)
339         TRACE(", clrF=0x%06x, clrB=0x%06x", pB->clrFore, pB->clrBack);
340     TRACE("\n");
341 
342     TRACE("band info: mask=0x%08x (%s)\n", pB->fMask, REBAR_FmtMask(pB->fMask));
343     if (pB->fMask & RBBIM_STYLE)
344         TRACE("band info: style=0x%08x (%s)\n", pB->fStyle, REBAR_FmtStyle(pB->fStyle));
345     if (pB->fMask & (RBBIM_SIZE | RBBIM_IDEALSIZE | RBBIM_HEADERSIZE | RBBIM_LPARAM )) {
346         TRACE("band info:");
347         if (pB->fMask & RBBIM_SIZE)
348             TRACE(" cx=%u", pB->cx);
349         if (pB->fMask & RBBIM_IDEALSIZE)
350             TRACE(" xIdeal=%u", pB->cxIdeal);
351         if (pB->fMask & RBBIM_HEADERSIZE)
352             TRACE(" xHeader=%u", pB->cxHeader);
353         if (pB->fMask & RBBIM_LPARAM)
354             TRACE(" lParam=0x%08lx", pB->lParam);
355         TRACE("\n");
356     }
357     if (pB->fMask & RBBIM_CHILDSIZE)
358         TRACE("band info: xMin=%u, yMin=%u, yChild=%u, yMax=%u, yIntgl=%u\n",
359               pB->cxMinChild,
360               pB->cyMinChild, pB->cyChild, pB->cyMaxChild, pB->cyIntegral);
361 }
362 
363 static VOID
364 REBAR_DumpBand (const REBAR_INFO *iP)
365 {
366     REBAR_BAND *pB;
367     UINT i;
368 
369     if(! TRACE_ON(rebar) ) return;
370 
371     TRACE("hwnd=%p: color=%08x/%08x, bands=%u, rows=%u, cSize=%d,%d\n",
372           iP->hwndSelf, iP->clrText, iP->clrBk, iP->uNumBands, iP->uNumRows,
373           iP->calcSize.cx, iP->calcSize.cy);
374     TRACE("hwnd=%p: flags=%08x, dragStart=%d,%d, dragNow=%d,%d, iGrabbedBand=%d\n",
375           iP->hwndSelf, iP->fStatus, iP->dragStart.x, iP->dragStart.y,
376           iP->dragNow.x, iP->dragNow.y,
377           iP->iGrabbedBand);
378     TRACE("hwnd=%p: style=%08x, notify in Unicode=%s, redraw=%s\n",
379           iP->hwndSelf, iP->dwStyle, (iP->bUnicode)?"TRUE":"FALSE",
380           (iP->DoRedraw)?"TRUE":"FALSE");
381     for (i = 0; i < iP->uNumBands; i++) {
382         pB = &iP->bands[i];
383         TRACE("band # %u:", i);
384         if (pB->fMask & RBBIM_ID)
385             TRACE(" ID=%u", pB->wID);
386         if (pB->fMask & RBBIM_CHILD)
387             TRACE(" child=%p", pB->hwndChild);
388         if (pB->fMask & RBBIM_COLORS)
389             TRACE(" clrF=0x%06x clrB=0x%06x", pB->clrFore, pB->clrBack);
390         TRACE("\n");
391         TRACE("band # %u: mask=0x%08x (%s)\n", i, pB->fMask, REBAR_FmtMask(pB->fMask));
392         if (pB->fMask & RBBIM_STYLE)
393             TRACE("band # %u: style=0x%08x (%s)\n",
394                   i, pB->fStyle, REBAR_FmtStyle(pB->fStyle));
395         TRACE("band # %u: xHeader=%u",
396               i, pB->cxHeader);
397         if (pB->fMask & (RBBIM_SIZE | RBBIM_IDEALSIZE | RBBIM_LPARAM )) {
398             if (pB->fMask & RBBIM_SIZE)
399                 TRACE(" cx=%u", pB->cx);
400             if (pB->fMask & RBBIM_IDEALSIZE)
401                 TRACE(" xIdeal=%u", pB->cxIdeal);
402             if (pB->fMask & RBBIM_LPARAM)
403                 TRACE(" lParam=0x%08lx", pB->lParam);
404         }
405         TRACE("\n");
406         if (RBBIM_CHILDSIZE)
407             TRACE("band # %u: xMin=%u, yMin=%u, yChild=%u, yMax=%u, yIntgl=%u\n",
408                   i, pB->cxMinChild, pB->cyMinChild, pB->cyChild, pB->cyMaxChild, pB->cyIntegral);
409         if (pB->fMask & RBBIM_TEXT)
410             TRACE("band # %u: text=%s\n",
411                   i, (pB->lpText) ? debugstr_w(pB->lpText) : "(null)");
412         TRACE("band # %u: cxMinBand=%u, cxEffective=%u, cyMinBand=%u\n",
413               i, pB->cxMinBand, pB->cxEffective, pB->cyMinBand);
414         TRACE("band # %u: fStatus=%08x, fDraw=%08x, Band=(%s), Grip=(%s)\n",
415               i, pB->fStatus, pB->fDraw, wine_dbgstr_rect(&pB->rcBand),
416               wine_dbgstr_rect(&pB->rcGripper));
417         TRACE("band # %u: Img=(%s), Txt=(%s), Child=(%s)\n",
418               i, wine_dbgstr_rect(&pB->rcCapImage),
419               wine_dbgstr_rect(&pB->rcCapText), wine_dbgstr_rect(&pB->rcChild));
420     }
421 
422 }
423 
424 /* dest can be equal to src */
425 static void translate_rect(const REBAR_INFO *infoPtr, RECT *dest, const RECT *src)
426 {
427     if (infoPtr->dwStyle & CCS_VERT) {
428         int tmp;
429         tmp = src->left;
430         dest->left = src->top;
431         dest->top = tmp;
432         
433         tmp = src->right;
434         dest->right = src->bottom;
435         dest->bottom = tmp;
436     } else {
437         *dest = *src;
438     }
439 }
440 
441 static int get_rect_cx(const REBAR_INFO *infoPtr, const RECT *lpRect)
442 {
443     if (infoPtr->dwStyle & CCS_VERT)
444         return lpRect->bottom - lpRect->top;
445     return lpRect->right - lpRect->left;
446 }
447 
448 static int get_rect_cy(const REBAR_INFO *infoPtr, const RECT *lpRect)
449 {
450     if (infoPtr->dwStyle & CCS_VERT)
451         return lpRect->right - lpRect->left;
452     return lpRect->bottom - lpRect->top;
453 }
454 
455 static int round_child_height(REBAR_BAND *lpBand, int cyHeight)
456 {
457     int cy = 0;
458     if (lpBand->cyIntegral == 0)
459         return cyHeight;
460     cy = max(cyHeight - (int)lpBand->cyMinChild, 0);
461     cy = lpBand->cyMinChild + (cy/lpBand->cyIntegral) * lpBand->cyIntegral;
462     cy = min(cy, lpBand->cyMaxChild);
463     return cy;
464 }
465 
466 static void update_min_band_height(const REBAR_INFO *infoPtr, REBAR_BAND *lpBand)
467 {
468     lpBand->cyMinBand = max(lpBand->cyHeader,
469         (lpBand->hwndChild ? lpBand->cyChild + REBARSPACE(lpBand) : REBAR_NO_CHILD_HEIGHT));
470 }
471 
472 static void
473 REBAR_DrawChevron (HDC hdc, INT left, INT top, INT colorRef)
474 {
475     INT x, y;
476     HPEN hPen, hOldPen;
477 
478     if (!(hPen = CreatePen( PS_SOLID, 1, GetSysColor( colorRef )))) return;
479     hOldPen = SelectObject ( hdc, hPen );
480     x = left + 2;
481     y = top;
482     MoveToEx (hdc, x, y, NULL);
483     LineTo (hdc, x+5, y++); x++;
484     MoveToEx (hdc, x, y, NULL);
485     LineTo (hdc, x+3, y++); x++;
486     MoveToEx (hdc, x, y, NULL);
487     LineTo (hdc, x+1, y++);
488     SelectObject( hdc, hOldPen );
489     DeleteObject( hPen );
490 }
491 
492 static HWND
493 REBAR_GetNotifyParent (const REBAR_INFO *infoPtr)
494 {
495     HWND parent, owner;
496 
497     parent = infoPtr->hwndNotify;
498     if (!parent) {
499         parent = GetParent (infoPtr->hwndSelf);
500         owner = GetWindow (infoPtr->hwndSelf, GW_OWNER);
501         if (owner) parent = owner;
502     }
503     return parent;
504 }
505 
506 
507 static INT
508 REBAR_Notify (NMHDR *nmhdr, const REBAR_INFO *infoPtr, UINT code)
509 {
510     HWND parent;
511 
512     parent = REBAR_GetNotifyParent (infoPtr);
513     nmhdr->idFrom = GetDlgCtrlID (infoPtr->hwndSelf);
514     nmhdr->hwndFrom = infoPtr->hwndSelf;
515     nmhdr->code = code;
516 
517     TRACE("window %p, code=%08x, via %s\n", parent, code, (infoPtr->bUnicode)?"Unicode":"ANSI");
518 
519     return SendMessageW(parent, WM_NOTIFY, nmhdr->idFrom, (LPARAM)nmhdr);
520 }
521 
522 static INT
523 REBAR_Notify_NMREBAR (const REBAR_INFO *infoPtr, UINT uBand, UINT code)
524 {
525     NMREBAR notify_rebar;
526     REBAR_BAND *lpBand;
527 
528     notify_rebar.dwMask = 0;
529     if (uBand!=-1) {
530         lpBand = &infoPtr->bands[uBand];
531         if (lpBand->fMask & RBBIM_ID) {
532             notify_rebar.dwMask |= RBNM_ID;
533             notify_rebar.wID = lpBand->wID;
534         }
535         if (lpBand->fMask & RBBIM_LPARAM) {
536             notify_rebar.dwMask |= RBNM_LPARAM;
537             notify_rebar.lParam = lpBand->lParam;
538         }
539         if (lpBand->fMask & RBBIM_STYLE) {
540             notify_rebar.dwMask |= RBNM_STYLE;
541             notify_rebar.fStyle = lpBand->fStyle;
542         }
543     }
544     notify_rebar.uBand = uBand;
545     return REBAR_Notify ((NMHDR *)&notify_rebar, infoPtr, code);
546 }
547 
548 static VOID
549 REBAR_DrawBand (HDC hdc, const REBAR_INFO *infoPtr, REBAR_BAND *lpBand)
550 {
551     HFONT hOldFont = 0;
552     INT oldBkMode = 0;
553     NMCUSTOMDRAW nmcd;
554     HTHEME theme = GetWindowTheme (infoPtr->hwndSelf);
555     RECT rcBand;
556 
557     translate_rect(infoPtr, &rcBand, &lpBand->rcBand);
558 
559     if (lpBand->fDraw & DRAW_TEXT) {
560         hOldFont = SelectObject (hdc, infoPtr->hFont);
561         oldBkMode = SetBkMode (hdc, TRANSPARENT);
562     }
563 
564     /* should test for CDRF_NOTIFYITEMDRAW here */
565     nmcd.dwDrawStage = CDDS_ITEMPREPAINT;
566     nmcd.hdc = hdc;
567     nmcd.rc = rcBand;
568     nmcd.rc.right = lpBand->rcCapText.right;
569     nmcd.rc.bottom = lpBand->rcCapText.bottom;
570     nmcd.dwItemSpec = lpBand->wID;
571     nmcd.uItemState = 0;
572     nmcd.lItemlParam = lpBand->lParam;
573     lpBand->uCDret = REBAR_Notify ((NMHDR *)&nmcd, infoPtr, NM_CUSTOMDRAW);
574     if (lpBand->uCDret == CDRF_SKIPDEFAULT) {
575         if (oldBkMode != TRANSPARENT)
576             SetBkMode (hdc, oldBkMode);
577         SelectObject (hdc, hOldFont);
578         return;
579     }
580 
581     /* draw gripper */
582     if (lpBand->fDraw & DRAW_GRIPPER)
583     {
584         if (theme)
585         {
586             RECT rcGripper = lpBand->rcGripper;
587             int partId = (infoPtr->dwStyle & CCS_VERT) ? RP_GRIPPERVERT : RP_GRIPPER;
588             GetThemeBackgroundExtent (theme, hdc, partId, 0, &rcGripper, &rcGripper);
589             OffsetRect (&rcGripper, lpBand->rcGripper.left - rcGripper.left,
590                 lpBand->rcGripper.top - rcGripper.top);
591             DrawThemeBackground (theme, hdc, partId, 0, &rcGripper, NULL);
592         }
593         else
594             DrawEdge (hdc, &lpBand->rcGripper, BDR_RAISEDINNER, BF_RECT | BF_MIDDLE);
595     }
596 
597     /* draw caption image */
598     if (lpBand->fDraw & DRAW_IMAGE) {
599         POINT pt;
600 
601         /* center image */
602         pt.y = (lpBand->rcCapImage.bottom + lpBand->rcCapImage.top - infoPtr->imageSize.cy)/2;
603         pt.x = (lpBand->rcCapImage.right + lpBand->rcCapImage.left - infoPtr->imageSize.cx)/2;
604 
605         ImageList_Draw (infoPtr->himl, lpBand->iImage, hdc,
606                         pt.x, pt.y,
607                         ILD_TRANSPARENT);
608     }
609 
610     /* draw caption text */
611     if (lpBand->fDraw & DRAW_TEXT) {
612         /* need to handle CDRF_NEWFONT here */
613         INT oldBkMode = SetBkMode (hdc, TRANSPARENT);
614         COLORREF oldcolor = CLR_NONE;
615         COLORREF new;
616         if (lpBand->clrFore != CLR_NONE) {
617             new = (lpBand->clrFore == CLR_DEFAULT) ? infoPtr->clrBtnText :
618                     lpBand->clrFore;
619             oldcolor = SetTextColor (hdc, new);
620         }
621         DrawTextW (hdc, lpBand->lpText, -1, &lpBand->rcCapText,
622                    DT_CENTER | DT_VCENTER | DT_SINGLELINE);
623         if (oldBkMode != TRANSPARENT)
624             SetBkMode (hdc, oldBkMode);
625         if (lpBand->clrFore != CLR_NONE)
626             SetTextColor (hdc, oldcolor);
627         SelectObject (hdc, hOldFont);
628     }
629 
630     if (!IsRectEmpty(&lpBand->rcChevron))
631     {
632         if (theme)
633         {
634             int stateId; 
635             if (lpBand->fDraw & DRAW_CHEVRONPUSHED)
636                 stateId = CHEVS_PRESSED;
637             else if (lpBand->fDraw & DRAW_CHEVRONHOT)
638                 stateId = CHEVS_HOT;
639             else
640                 stateId = CHEVS_NORMAL;
641             DrawThemeBackground (theme, hdc, RP_CHEVRON, stateId, &lpBand->rcChevron, NULL);
642         }
643         else
644         {
645             if (lpBand->fDraw & DRAW_CHEVRONPUSHED)
646             {
647                 DrawEdge(hdc, &lpBand->rcChevron, BDR_SUNKENOUTER, BF_RECT | BF_MIDDLE);
648                 REBAR_DrawChevron(hdc, lpBand->rcChevron.left+1, lpBand->rcChevron.top + 11, COLOR_WINDOWFRAME);
649             }
650             else if (lpBand->fDraw & DRAW_CHEVRONHOT)
651             {
652                 DrawEdge(hdc, &lpBand->rcChevron, BDR_RAISEDINNER, BF_RECT | BF_MIDDLE);
653                 REBAR_DrawChevron(hdc, lpBand->rcChevron.left, lpBand->rcChevron.top + 10, COLOR_WINDOWFRAME);
654             }
655             else
656                 REBAR_DrawChevron(hdc, lpBand->rcChevron.left, lpBand->rcChevron.top + 10, COLOR_WINDOWFRAME);
657         }
658     }
659 
660     if (lpBand->uCDret == (CDRF_NOTIFYPOSTPAINT | CDRF_NOTIFYITEMDRAW)) {
661         nmcd.dwDrawStage = CDDS_ITEMPOSTPAINT;
662         nmcd.hdc = hdc;
663         nmcd.rc = rcBand;
664         nmcd.rc.right = lpBand->rcCapText.right;
665         nmcd.rc.bottom = lpBand->rcCapText.bottom;
666         nmcd.dwItemSpec = lpBand->wID;
667         nmcd.uItemState = 0;
668         nmcd.lItemlParam = lpBand->lParam;
669         lpBand->uCDret = REBAR_Notify ((NMHDR *)&nmcd, infoPtr, NM_CUSTOMDRAW);
670     }
671 }
672 
673 
674 static VOID
675 REBAR_Refresh (const REBAR_INFO *infoPtr, HDC hdc)
676 {
677     REBAR_BAND *lpBand;
678     UINT i;
679 
680     if (!infoPtr->DoRedraw) return;
681 
682     for (i = 0; i < infoPtr->uNumBands; i++) {
683         lpBand = &infoPtr->bands[i];
684 
685         if (HIDDENBAND(lpBand)) continue;
686 
687         /* now draw the band */
688         TRACE("[%p] drawing band %i, flags=%08x\n",
689               infoPtr->hwndSelf, i, lpBand->fDraw);
690         REBAR_DrawBand (hdc, infoPtr, lpBand);
691 
692     }
693 }
694 
695 
696 static void
697 REBAR_CalcHorzBand (const REBAR_INFO *infoPtr, UINT rstart, UINT rend)
698      /* Function: this routine initializes all the rectangles in */
699      /*  each band in a row to fit in the adjusted rcBand rect.  */
700      /* *** Supports only Horizontal bars. ***                   */
701 {
702     REBAR_BAND *lpBand;
703     UINT i, xoff, yoff;
704     RECT work;
705 
706     for(i=rstart; i<rend; i++){
707       lpBand = &infoPtr->bands[i];
708       if (HIDDENBAND(lpBand)) {
709           SetRect (&lpBand->rcChild,
710                    lpBand->rcBand.right, lpBand->rcBand.top,
711                    lpBand->rcBand.right, lpBand->rcBand.bottom);
712           continue;
713       }
714 
715       /* set initial gripper rectangle */
716       SetRect (&lpBand->rcGripper, lpBand->rcBand.left, lpBand->rcBand.top,
717                lpBand->rcBand.left, lpBand->rcBand.bottom);
718 
719       /* calculate gripper rectangle */
720       if ( lpBand->fStatus & HAS_GRIPPER) {
721           lpBand->fDraw |= DRAW_GRIPPER;
722           lpBand->rcGripper.left   += REBAR_PRE_GRIPPER;
723           lpBand->rcGripper.right  = lpBand->rcGripper.left + GRIPPER_WIDTH;
724           lpBand->rcGripper.top    += 2;
725           lpBand->rcGripper.bottom -= 2;
726 
727           SetRect (&lpBand->rcCapImage,
728                    lpBand->rcGripper.right+REBAR_ALWAYS_SPACE, lpBand->rcBand.top,
729                    lpBand->rcGripper.right+REBAR_ALWAYS_SPACE, lpBand->rcBand.bottom);
730       }
731       else {  /* no gripper will be drawn */
732           xoff = 0;
733           if (lpBand->fStatus & (HAS_IMAGE | HAS_TEXT))
734               /* if no gripper but either image or text, then leave space */
735               xoff = REBAR_ALWAYS_SPACE;
736           SetRect (&lpBand->rcCapImage,
737                    lpBand->rcBand.left+xoff, lpBand->rcBand.top,
738                    lpBand->rcBand.left+xoff, lpBand->rcBand.bottom);
739       }
740 
741       /* image is visible */
742       if (lpBand->fStatus & HAS_IMAGE) {
743           lpBand->fDraw |= DRAW_IMAGE;
744           lpBand->rcCapImage.right  += infoPtr->imageSize.cx;
745           lpBand->rcCapImage.bottom = lpBand->rcCapImage.top + infoPtr->imageSize.cy;
746 
747           /* set initial caption text rectangle */
748           SetRect (&lpBand->rcCapText,
749                    lpBand->rcCapImage.right+REBAR_POST_IMAGE, lpBand->rcBand.top+1,
750                    lpBand->rcBand.left+lpBand->cxHeader, lpBand->rcBand.bottom-1);
751       }
752       else {
753           /* set initial caption text rectangle */
754           SetRect (&lpBand->rcCapText, lpBand->rcCapImage.right, lpBand->rcBand.top+1,
755                    lpBand->rcBand.left+lpBand->cxHeader, lpBand->rcBand.bottom-1);
756       }
757 
758       /* text is visible */
759       if ((lpBand->fStatus & HAS_TEXT) && !(lpBand->fStyle & RBBS_HIDETITLE)) {
760           lpBand->fDraw |= DRAW_TEXT;
761           lpBand->rcCapText.right = max(lpBand->rcCapText.left,
762                                         lpBand->rcCapText.right-REBAR_POST_TEXT);
763       }
764 
765       /* set initial child window rectangle if there is a child */
766       if (lpBand->hwndChild != NULL) {
767           int cyBand = lpBand->rcBand.bottom - lpBand->rcBand.top;
768           yoff = (cyBand - lpBand->cyChild) / 2;
769           SetRect (&lpBand->rcChild,
770                    lpBand->rcBand.left + lpBand->cxHeader, lpBand->rcBand.top + yoff,
771                    lpBand->rcBand.right - REBAR_POST_CHILD, lpBand->rcBand.top + yoff + lpBand->cyChild);
772           if ((lpBand->fStyle & RBBS_USECHEVRON) && (lpBand->rcChild.right - lpBand->rcChild.left < lpBand->cxIdeal))
773           {
774               lpBand->rcChild.right -= CHEVRON_WIDTH;
775               SetRect(&lpBand->rcChevron, lpBand->rcChild.right,
776                       lpBand->rcChild.top, lpBand->rcChild.right + CHEVRON_WIDTH,
777                       lpBand->rcChild.bottom);
778           }
779       }
780       else {
781           SetRect (&lpBand->rcChild,
782                    lpBand->rcBand.left+lpBand->cxHeader, lpBand->rcBand.top,
783                    lpBand->rcBand.right, lpBand->rcBand.bottom);
784       }
785 
786       /* flag if notify required and invalidate rectangle */
787       if (lpBand->fDraw & NTF_INVALIDATE) {
788           TRACE("invalidating (%d,%d)-(%d,%d)\n",
789                 lpBand->rcBand.left,
790                 lpBand->rcBand.top,
791                 lpBand->rcBand.right + SEP_WIDTH,
792                 lpBand->rcBand.bottom + SEP_WIDTH);
793           lpBand->fDraw &= ~NTF_INVALIDATE;
794           work = lpBand->rcBand;
795           work.right += SEP_WIDTH;
796           work.bottom += SEP_WIDTH;
797           InvalidateRect(infoPtr->hwndSelf, &work, TRUE);
798           InvalidateRect(lpBand->hwndChild, NULL, TRUE);
799       }
800 
801     }
802 
803 }
804 
805 
806 static VOID
807 REBAR_CalcVertBand (const REBAR_INFO *infoPtr, UINT rstart, UINT rend)
808      /* Function: this routine initializes all the rectangles in */
809      /*  each band in a row to fit in the adjusted rcBand rect.  */
810      /* *** Supports only Vertical bars. ***                     */
811 {
812     REBAR_BAND *lpBand;
813     UINT i, xoff;
814     RECT work;
815 
816     for(i=rstart; i<rend; i++){
817         RECT rcBand;
818         lpBand = &infoPtr->bands[i];
819         if (HIDDENBAND(lpBand)) continue;
820 
821         translate_rect(infoPtr, &rcBand, &lpBand->rcBand);
822 
823         /* set initial gripper rectangle */
824         SetRect (&lpBand->rcGripper, rcBand.left, rcBand.top, rcBand.right, rcBand.top);
825 
826         /* calculate gripper rectangle */
827         if (lpBand->fStatus & HAS_GRIPPER) {
828             lpBand->fDraw |= DRAW_GRIPPER;
829 
830             if (infoPtr->dwStyle & RBS_VERTICALGRIPPER) {
831                 /*  vertical gripper  */
832                 lpBand->rcGripper.left   += 3;
833                 lpBand->rcGripper.right  = lpBand->rcGripper.left + GRIPPER_WIDTH;
834                 lpBand->rcGripper.top    += REBAR_PRE_GRIPPER;
835                 lpBand->rcGripper.bottom = lpBand->rcGripper.top + GRIPPER_HEIGHT;
836 
837                 /* initialize Caption image rectangle  */
838                 SetRect (&lpBand->rcCapImage, rcBand.left,
839                          lpBand->rcGripper.bottom + REBAR_ALWAYS_SPACE,
840                          rcBand.right,
841                          lpBand->rcGripper.bottom + REBAR_ALWAYS_SPACE);
842             }
843             else {
844                 /*  horizontal gripper  */
845                 lpBand->rcGripper.left   += 2;
846                 lpBand->rcGripper.right  -= 2;
847                 lpBand->rcGripper.top    += REBAR_PRE_GRIPPER;
848                 lpBand->rcGripper.bottom  = lpBand->rcGripper.top + GRIPPER_WIDTH;
849 
850                 /* initialize Caption image rectangle  */
851                 SetRect (&lpBand->rcCapImage, rcBand.left,
852                          lpBand->rcGripper.bottom + REBAR_ALWAYS_SPACE,
853                          rcBand.right,
854                          lpBand->rcGripper.bottom + REBAR_ALWAYS_SPACE);
855             }
856         }
857         else {  /* no gripper will be drawn */
858             xoff = 0;
859             if (lpBand->fStatus & (HAS_IMAGE | HAS_TEXT))
860                 /* if no gripper but either image or text, then leave space */
861                 xoff = REBAR_ALWAYS_SPACE;
862             /* initialize Caption image rectangle  */
863             SetRect (&lpBand->rcCapImage,
864                       rcBand.left, rcBand.top+xoff,
865                       rcBand.right, rcBand.top+xoff);
866         }
867 
868         /* image is visible */
869         if (lpBand->fStatus & HAS_IMAGE) {
870             lpBand->fDraw |= DRAW_IMAGE;
871 
872             lpBand->rcCapImage.right  = lpBand->rcCapImage.left + infoPtr->imageSize.cx;
873             lpBand->rcCapImage.bottom += infoPtr->imageSize.cy;
874 
875             /* set initial caption text rectangle */
876             SetRect (&lpBand->rcCapText,
877                      rcBand.left, lpBand->rcCapImage.bottom+REBAR_POST_IMAGE,
878                      rcBand.right, rcBand.top+lpBand->cxHeader);
879         }
880         else {
881             /* set initial caption text rectangle */
882             SetRect (&lpBand->rcCapText,
883                      rcBand.left, lpBand->rcCapImage.bottom,
884                      rcBand.right, rcBand.top+lpBand->cxHeader);
885         }
886 
887         /* text is visible */
888         if ((lpBand->fStatus & HAS_TEXT) && !(lpBand->fStyle & RBBS_HIDETITLE)) {
889             lpBand->fDraw |= DRAW_TEXT;
890             lpBand->rcCapText.bottom = max(lpBand->rcCapText.top,
891                                            lpBand->rcCapText.bottom);
892         }
893 
894         /* set initial child window rectangle if there is a child */
895         if (lpBand->hwndChild != NULL) {
896             int cxBand = rcBand.right - rcBand.left;
897             xoff = (cxBand - lpBand->cyChild) / 2;
898             SetRect (&lpBand->rcChild,
899                      rcBand.left + xoff,                   rcBand.top + lpBand->cxHeader,
900                      rcBand.left + xoff + lpBand->cyChild, rcBand.bottom - REBAR_POST_CHILD);
901         }
902         else {
903             SetRect (&lpBand->rcChild,
904                      rcBand.left, rcBand.top+lpBand->cxHeader,
905                      rcBand.right, rcBand.bottom);
906         }
907 
908         if (lpBand->fDraw & NTF_INVALIDATE) {
909             TRACE("invalidating (%d,%d)-(%d,%d)\n",
910                   rcBand.left,
911                   rcBand.top,
912                   rcBand.right + SEP_WIDTH,
913                   rcBand.bottom + SEP_WIDTH);
914             lpBand->fDraw &= ~NTF_INVALIDATE;
915             work = rcBand;
916             work.bottom += SEP_WIDTH;
917             work.right += SEP_WIDTH;
918             InvalidateRect(infoPtr->hwndSelf, &work, TRUE);
919             InvalidateRect(lpBand->hwndChild, NULL, TRUE);
920         }
921 
922     }
923 }
924 
925 
926 static VOID
927 REBAR_ForceResize (REBAR_INFO *infoPtr)
928      /* Function: This changes the size of the REBAR window to that */
929      /*  calculated by REBAR_Layout.                                */
930 {
931     INT x, y, width, height;
932     INT xedge = 0, yedge = 0;
933     RECT rcSelf;
934 
935     TRACE("new size [%d x %d]\n", infoPtr->calcSize.cx, infoPtr->calcSize.cy);
936 
937     if (infoPtr->dwStyle & CCS_NORESIZE)
938         return;
939 
940     if (infoPtr->dwStyle & WS_BORDER)
941     {
942         xedge = GetSystemMetrics(SM_CXEDGE);
943         yedge = GetSystemMetrics(SM_CYEDGE);
944         /* swap for CCS_VERT? */
945     }
946 
947     /* compute rebar window rect in parent client coordinates */
948     GetWindowRect(infoPtr->hwndSelf, &rcSelf);
949     MapWindowPoints(HWND_DESKTOP, GetParent(infoPtr->hwndSelf), (LPPOINT)&rcSelf, 2);
950     translate_rect(infoPtr, &rcSelf, &rcSelf);
951 
952     height = infoPtr->calcSize.cy + 2*yedge;
953     if (!(infoPtr->dwStyle & CCS_NOPARENTALIGN)) {
954         RECT rcParent;
955 
956         x = -xedge;
957         width = infoPtr->calcSize.cx + 2*xedge;
958         y = 0; /* quiet compiler warning */
959         switch ( infoPtr->dwStyle & CCS_LAYOUT_MASK) {
960             case 0:     /* shouldn't happen - see NCCreate */
961             case CCS_TOP:
962                 y = ((infoPtr->dwStyle & CCS_NODIVIDER) ? 0 : REBAR_DIVIDER) - yedge;
963                 break;
964             case CCS_NOMOVEY:
965                 y = rcSelf.top;
966                 break;
967             case CCS_BOTTOM:
968                 GetClientRect(GetParent(infoPtr->hwndSelf), &rcParent);
969                 translate_rect(infoPtr, &rcParent, &rcParent);
970                 y = rcParent.bottom - infoPtr->calcSize.cy - yedge;
971                 break;
972         }
973     }
974     else {
975         x = rcSelf.left;
976         /* As on Windows if the CCS_NODIVIDER is not present the control will move
977          * 2 pixel down after every layout */
978         y = rcSelf.top + ((infoPtr->dwStyle & CCS_NODIVIDER) ? 0 : REBAR_DIVIDER);
979         width = rcSelf.right - rcSelf.left;
980     }
981 
982     TRACE("hwnd %p, style=%08x, setting at (%d,%d) for (%d,%d)\n",
983         infoPtr->hwndSelf, infoPtr->dwStyle, x, y, width, height);
984 
985     /* Set flag to ignore next WM_SIZE message and resize the window */
986     infoPtr->fStatus |= SELF_RESIZE;
987     if ((infoPtr->dwStyle & CCS_VERT) == 0)
988         SetWindowPos(infoPtr->hwndSelf, 0, x, y, width, height, SWP_NOZORDER);
989     else
990         SetWindowPos(infoPtr->hwndSelf, 0, y, x, height, width, SWP_NOZORDER);
991     infoPtr->fStatus &= ~SELF_RESIZE;
992 }
993 
994 
995 static VOID
996 REBAR_MoveChildWindows (const REBAR_INFO *infoPtr, UINT start, UINT endplus)
997 {
998     static const WCHAR strComboBox[] = { 'C','o','m','b','o','B','o','x',0 };
999     REBAR_BAND *lpBand;
1000     WCHAR szClassName[40];
1001     UINT i;
1002     NMREBARCHILDSIZE  rbcz;
1003     HDWP deferpos;
1004 
1005     if (!(deferpos = BeginDeferWindowPos(infoPtr->uNumBands)))
1006         ERR("BeginDeferWindowPos returned NULL\n");
1007 
1008     for (i = start; i < endplus; i++) {
1009         lpBand = &infoPtr->bands[i];
1010 
1011         if (HIDDENBAND(lpBand)) continue;
1012         if (lpBand->hwndChild) {
1013             TRACE("hwndChild = %p\n", lpBand->hwndChild);
1014 
1015             /* Always generate the RBN_CHILDSIZE even if child
1016                    did not change */
1017             rbcz.uBand = i;
1018             rbcz.wID = lpBand->wID;
1019             rbcz.rcChild = lpBand->rcChild;
1020             translate_rect(infoPtr, &rbcz.rcBand, &lpBand->rcBand);
1021             if (infoPtr->dwStyle & CCS_VERT)
1022                 rbcz.rcBand.top += lpBand->cxHeader;
1023             else
1024                 rbcz.rcBand.left += lpBand->cxHeader;
1025             REBAR_Notify ((NMHDR *)&rbcz, infoPtr, RBN_CHILDSIZE);
1026             if (!EqualRect (&lpBand->rcChild, &rbcz.rcChild)) {
1027                 TRACE("Child rect changed by NOTIFY for band %u\n", i);
1028                 TRACE("    from (%s)  to (%s)\n",
1029                       wine_dbgstr_rect(&lpBand->rcChild),
1030                       wine_dbgstr_rect(&rbcz.rcChild));
1031                 lpBand->rcChild = rbcz.rcChild;  /* *** ??? */
1032             }
1033 
1034             /* native (IE4 in "Favorites" frame **1) does:
1035              *   SetRect (&rc, -1, -1, -1, -1)
1036              *   EqualRect (&rc,band->rc???)
1037              *   if ret==0
1038              *     CopyRect (band->rc????, &rc)
1039              *     set flag outside of loop
1040              */
1041 
1042             GetClassNameW (lpBand->hwndChild, szClassName, sizeof(szClassName)/sizeof(szClassName[0]));
1043             if (!lstrcmpW (szClassName, strComboBox) ||
1044                 !lstrcmpW (szClassName, WC_COMBOBOXEXW)) {
1045                 INT nEditHeight, yPos;
1046                 RECT rc;
1047 
1048                 /* special placement code for combo or comboex box */
1049 
1050 
1051                 /* get size of edit line */
1052                 GetWindowRect (lpBand->hwndChild, &rc);
1053                 nEditHeight = rc.bottom - rc.top;
1054                 yPos = (lpBand->rcChild.bottom + lpBand->rcChild.top - nEditHeight)/2;
1055 
1056                 /* center combo box inside child area */
1057                 TRACE("moving child (Combo(Ex)) %p to (%d,%d) for (%d,%d)\n",
1058                       lpBand->hwndChild,
1059                       lpBand->rcChild.left, yPos,
1060                       lpBand->rcChild.right - lpBand->rcChild.left,
1061                       nEditHeight);
1062                 deferpos = DeferWindowPos (deferpos, lpBand->hwndChild, HWND_TOP,
1063                                            lpBand->rcChild.left,
1064                                            /*lpBand->rcChild.top*/ yPos,
1065                                            lpBand->rcChild.right - lpBand->rcChild.left,
1066                                            nEditHeight,
1067                                            SWP_NOZORDER);
1068                 if (!deferpos)
1069                     ERR("DeferWindowPos returned NULL\n");
1070             }
1071             else {
1072                 TRACE("moving child (Other) %p to (%d,%d) for (%d,%d)\n",
1073                       lpBand->hwndChild,
1074                       lpBand->rcChild.left, lpBand->rcChild.top,
1075                       lpBand->rcChild.right - lpBand->rcChild.left,
1076                       lpBand->rcChild.bottom - lpBand->rcChild.top);
1077                 deferpos = DeferWindowPos (deferpos, lpBand->hwndChild, HWND_TOP,
1078                                            lpBand->rcChild.left,
1079                                            lpBand->rcChild.top,
1080                                            lpBand->rcChild.right - lpBand->rcChild.left,
1081                                            lpBand->rcChild.bottom - lpBand->rcChild.top,
1082                                            SWP_NOZORDER);
1083                 if (!deferpos)
1084                     ERR("DeferWindowPos returned NULL\n");
1085             }
1086         }
1087     }
1088     if (!EndDeferWindowPos(deferpos))
1089         ERR("EndDeferWindowPos returned NULL\n");
1090 
1091     if (infoPtr->DoRedraw)
1092         UpdateWindow (infoPtr->hwndSelf);
1093 
1094     /* native (from **1 above) does:
1095      *      UpdateWindow(rebar)
1096      *      REBAR_ForceResize
1097      *      RBN_HEIGHTCHANGE if necessary
1098      *      if ret from any EqualRect was 0
1099      *         Goto "BeginDeferWindowPos"
1100      */
1101 
1102 }
1103 
1104 /* Returns the next visible band (the first visible band in [i+1; infoPtr->uNumBands) )
1105  * or infoPtr->uNumBands if none */
1106 static int next_visible(const REBAR_INFO *infoPtr, int i)
1107 {
1108     int n;
1109     for (n = i + 1; n < infoPtr->uNumBands; n++)
1110         if (!HIDDENBAND(&infoPtr->bands[n]))
1111             break;
1112     return n;
1113 }
1114 
1115 /* Returns the previous visible band (the last visible band in [0; i) )
1116  * or -1 if none */
1117 static int prev_visible(const REBAR_INFO *infoPtr, int i)
1118 {
1119     int n;
1120     for (n = i - 1; n >= 0; n--)
1121         if (!HIDDENBAND(&infoPtr->bands[n]))
1122             break;
1123     return n;
1124 }
1125 
1126 /* Returns the first visible band or infoPtr->uNumBands if none */
1127 static int first_visible(const REBAR_INFO *infoPtr)
1128 {
1129     return next_visible(infoPtr, -1); /* this works*/
1130 }
1131 
1132 /* Returns the first visible band for the given row (or iBand if none) */
1133 static int get_row_begin_for_band(const REBAR_INFO *infoPtr, INT iBand)
1134 {
1135     int iLastBand = iBand;
1136     int iRow = infoPtr->bands[iBand].iRow;
1137     while ((iBand = prev_visible(infoPtr, iBand)) >= 0) {
1138         if (infoPtr->bands[iBand].iRow != iRow)
1139             break;
1140         else
1141             iLastBand = iBand;
1142     }
1143     return iLastBand;
1144 }
1145 
1146 /* Returns the first visible band for the next row (or infoPtr->uNumBands if none) */
1147 static int get_row_end_for_band(const REBAR_INFO *infoPtr, INT iBand)
1148 {
1149     int iRow = infoPtr->bands[iBand].iRow;
1150     while ((iBand = next_visible(infoPtr, iBand)) < infoPtr->uNumBands)
1151         if (infoPtr->bands[iBand].iRow != iRow)
1152             break;
1153     return iBand;
1154 }
1155 
1156 /* Compute the rcBand.{left,right} from the cxEffective bands widths computed earlier.
1157  * iBeginBand must be visible */
1158 static void REBAR_SetRowRectsX(const REBAR_INFO *infoPtr, INT iBeginBand, INT iEndBand)
1159 {
1160     int xPos = 0, i;
1161     for (i = iBeginBand; i < iEndBand; i = next_visible(infoPtr, i))
1162     {
1163         REBAR_BAND *lpBand = &infoPtr->bands[i];
1164 
1165         lpBand = &infoPtr->bands[i];
1166         if (lpBand->rcBand.left != xPos || lpBand->rcBand.right != xPos + lpBand->cxEffective) {
1167             lpBand->fDraw |= NTF_INVALIDATE;
1168             TRACE("Setting rect %d to %d,%d\n", i, xPos, xPos + lpBand->cxEffective);
1169             lpBand->rcBand.left = xPos;
1170             lpBand->rcBand.right = xPos + lpBand->cxEffective;
1171         }
1172         xPos += lpBand->cxEffective + SEP_WIDTH;
1173     }
1174 }
1175 
1176 /* The rationale of this function is probably as follows: if we have some space
1177  * to distribute we want to add it to a band on the right. However we don't want
1178  * to unminimize a minimized band so we search for a band that is big enough.
1179  * For some reason "big enough" is defined as bigger than the minimum size of the
1180  * first band in the row
1181  */
1182 static REBAR_BAND *REBAR_FindBandToGrow(const REBAR_INFO *infoPtr, INT iBeginBand, INT iEndBand)
1183 {
1184     INT cxMinFirstBand = 0, i;
1185 
1186     cxMinFirstBand = infoPtr->bands[iBeginBand].cxMinBand;
1187 
1188     for (i = prev_visible(infoPtr, iEndBand); i >= iBeginBand; i = prev_visible(infoPtr, i))
1189         if (infoPtr->bands[i].cxEffective > cxMinFirstBand && !(infoPtr->bands[i].fStyle&RBBS_FIXEDSIZE))
1190             break;
1191 
1192     if (i < iBeginBand)
1193         for (i = prev_visible(infoPtr, iEndBand); i >= iBeginBand; i = prev_visible(infoPtr, i))
1194             if (infoPtr->bands[i].cxMinBand == cxMinFirstBand)
1195                 break;
1196 
1197     TRACE("Extra space for row [%d..%d) should be added to band %d\n", iBeginBand, iEndBand, i);
1198     return &infoPtr->bands[i];
1199 }
1200 
1201 /* Try to shrink the visible bands in [iBeginBand; iEndBand) by cxShrink, starting from the right */
1202 static int REBAR_ShrinkBandsRTL(const REBAR_INFO *infoPtr, INT iBeginBand, INT iEndBand, INT cxShrink, BOOL bEnforce)
1203 {
1204     REBAR_BAND *lpBand;
1205     INT width, i;
1206 
1207     TRACE("Shrinking bands [%d..%d) by %d, right-to-left\n", iBeginBand, iEndBand, cxShrink);
1208     for (i = prev_visible(infoPtr, iEndBand); i >= iBeginBand; i = prev_visible(infoPtr, i))
1209     {
1210         lpBand = &infoPtr->bands[i];
1211 
1212         width = max(lpBand->cxEffective - cxShrink, (int)lpBand->cxMinBand);
1213         cxShrink -= lpBand->cxEffective - width;
1214         lpBand->cxEffective = width;
1215         if (bEnforce && lpBand->cx > lpBand->cxEffective)
1216             lpBand->cx = lpBand->cxEffective;
1217         if (cxShrink == 0)
1218             break;
1219     }
1220     return cxShrink;
1221 }
1222 
1223 
1224 /* Try to shrink the visible bands in [iBeginBand; iEndBand) by cxShrink, starting from the left.
1225  * iBeginBand must be visible */
1226 static int REBAR_ShrinkBandsLTR(const REBAR_INFO *infoPtr, INT iBeginBand, INT iEndBand, INT cxShrink, BOOL bEnforce)
1227 {
1228     REBAR_BAND *lpBand;
1229     INT width, i;
1230 
1231     TRACE("Shrinking bands [%d..%d) by %d, left-to-right\n", iBeginBand, iEndBand, cxShrink);
1232     for (i = iBeginBand; i < iEndBand; i = next_visible(infoPtr, i))
1233     {
1234         lpBand = &infoPtr->bands[i];
1235 
1236         width = max(lpBand->cxEffective - cxShrink, (int)lpBand->cxMinBand);
1237         cxShrink -= lpBand->cxEffective - width;
1238         lpBand->cxEffective = width;
1239         if (bEnforce)
1240             lpBand->cx = lpBand->cxEffective;
1241         if (cxShrink == 0)
1242             break;
1243     }
1244     return cxShrink;
1245 }
1246 
1247 /* Set the heights of the visible bands in [iBeginBand; iEndBand) to the max height. iBeginBand must be visible */
1248 static int REBAR_SetBandsHeight(const REBAR_INFO *infoPtr, INT iBeginBand, INT iEndBand, INT yStart)
1249 {
1250     REBAR_BAND *lpBand;
1251     int yMaxHeight = 0;
1252     int yPos = yStart;
1253     int row = infoPtr->bands[iBeginBand].iRow;
1254     int i;
1255     for (i = iBeginBand; i < iEndBand; i = next_visible(infoPtr, i))
1256     {
1257         lpBand = &infoPtr->bands[i];
1258         lpBand->cyRowSoFar = yMaxHeight;
1259         yMaxHeight = max(yMaxHeight, lpBand->cyMinBand);
1260     }
1261     TRACE("Bands [%d; %d) height: %d\n", iBeginBand, iEndBand, yMaxHeight);
1262 
1263     for (i = iBeginBand; i < iEndBand; i = next_visible(infoPtr, i))
1264     {
1265         lpBand = &infoPtr->bands[i];
1266         /* we may be called for multiple rows if RBS_VARHEIGHT not set */
1267         if (lpBand->iRow != row) {
1268             yPos += yMaxHeight + SEP_WIDTH;
1269             row = lpBand->iRow;
1270         }
1271 
1272         if (lpBand->rcBand.top != yPos || lpBand->rcBand.bottom != yPos + yMaxHeight) {
1273             lpBand->fDraw |= NTF_INVALIDATE;
1274             lpBand->rcBand.top = yPos;
1275             lpBand->rcBand.bottom = yPos + yMaxHeight;
1276             TRACE("Band %d: %s\n", i, wine_dbgstr_rect(&lpBand->rcBand));
1277         }
1278     }
1279     return yPos + yMaxHeight;
1280 }
1281 
1282 /* Layout the row [iBeginBand; iEndBand). iBeginBand must be visible */
1283 static void REBAR_LayoutRow(const REBAR_INFO *infoPtr, int iBeginBand, int iEndBand, int cx, int *piRow, int *pyPos)
1284 {
1285     REBAR_BAND *lpBand;
1286     int i, extra;
1287     int width = 0;
1288 
1289     TRACE("Adjusting row [%d;%d). Width: %d\n", iBeginBand, iEndBand, cx);
1290     for (i = iBeginBand; i < iEndBand; i++)
1291         infoPtr->bands[i].iRow = *piRow;
1292 
1293     /* compute the extra space */
1294     for (i = iBeginBand; i < iEndBand; i = next_visible(infoPtr, i))
1295     {
1296         lpBand = &infoPtr->bands[i];
1297         if (i > iBeginBand)
1298             width += SEP_WIDTH;
1299         lpBand->cxEffective = max(lpBand->cxMinBand, lpBand->cx);
1300         width += lpBand->cxEffective;
1301     }
1302 
1303     extra = cx - width;
1304     TRACE("Extra space: %d\n", extra);
1305     if (extra < 0) {
1306         int ret = REBAR_ShrinkBandsRTL(infoPtr, iBeginBand, iEndBand, -extra, FALSE);
1307         if (ret > 0 && next_visible(infoPtr, iBeginBand) != iEndBand)  /* one band may be longer than expected... */
1308             ERR("Error layouting row %d - couldn't shrink for %d pixels (%d total shrink)\n", *piRow, ret, -extra);
1309     } else
1310     if (extra > 0) {
1311         lpBand = REBAR_FindBandToGrow(infoPtr, iBeginBand, iEndBand);
1312         lpBand->cxEffective += extra;
1313     }
1314 
1315     REBAR_SetRowRectsX(infoPtr, iBeginBand, iEndBand);
1316     if (infoPtr->dwStyle & RBS_VARHEIGHT)
1317     {
1318         if (*piRow > 0)
1319             *pyPos += SEP_WIDTH;
1320         *pyPos = REBAR_SetBandsHeight(infoPtr, iBeginBand, iEndBand, *pyPos);
1321     }
1322     (*piRow)++;
1323 }
1324 
1325 static VOID
1326 REBAR_Layout(REBAR_INFO *infoPtr)
1327 {
1328     REBAR_BAND *lpBand;
1329     RECT rcAdj;
1330     SIZE oldSize;
1331     INT adjcx, i;
1332     INT rowstart;
1333     INT row = 0;
1334     INT xMin, yPos;
1335 
1336     if (infoPtr->dwStyle & (CCS_NORESIZE | CCS_NOPARENTALIGN) || GetParent(infoPtr->hwndSelf) == NULL)
1337         GetClientRect(infoPtr->hwndSelf, &rcAdj);
1338     else
1339         GetClientRect(GetParent(infoPtr->hwndSelf), &rcAdj);
1340     TRACE("adjustment rect is (%s)\n", wine_dbgstr_rect(&rcAdj));
1341 
1342     adjcx = get_rect_cx(infoPtr, &rcAdj);
1343 
1344     if (infoPtr->uNumBands == 0) {
1345         TRACE("No bands - setting size to (0,%d), vert: %lx\n", adjcx, infoPtr->dwStyle & CCS_VERT);
1346         infoPtr->calcSize.cx = adjcx;
1347         /* the calcSize.cy won't change for a 0 band rebar */
1348         infoPtr->uNumRows = 0;
1349         REBAR_ForceResize(infoPtr);
1350         return;
1351     }
1352 
1353     yPos = 0;
1354     xMin = 0;
1355     rowstart = first_visible(infoPtr);
1356     /* divide rows */
1357     for (i = rowstart; i < infoPtr->uNumBands; i = next_visible(infoPtr, i))
1358     {
1359         lpBand = &infoPtr->bands[i];
1360 
1361         if (i > rowstart && (lpBand->fStyle & RBBS_BREAK || xMin + lpBand->cxMinBand > adjcx)) {
1362             TRACE("%s break on band %d\n", (lpBand->fStyle & RBBS_BREAK ? "Hard" : "Soft"), i - 1);
1363             REBAR_LayoutRow(infoPtr, rowstart, i, adjcx, &row, &yPos);
1364             rowstart = i;
1365             xMin = 0;
1366         }
1367         else
1368             xMin += SEP_WIDTH;
1369 
1370         xMin += lpBand->cxMinBand;
1371     }
1372     REBAR_LayoutRow(infoPtr, rowstart, infoPtr->uNumBands, adjcx, &row, &yPos);
1373 
1374     if (!(infoPtr->dwStyle & RBS_VARHEIGHT))
1375         yPos = REBAR_SetBandsHeight(infoPtr, first_visible(infoPtr), infoPtr->uNumBands, 0);
1376 
1377     infoPtr->uNumRows = row;
1378 
1379     if (infoPtr->dwStyle & CCS_VERT)
1380         REBAR_CalcVertBand(infoPtr, 0, infoPtr->uNumBands);
1381     else
1382         REBAR_CalcHorzBand(infoPtr, 0, infoPtr->uNumBands);
1383     /* now compute size of Rebar itself */
1384     oldSize = infoPtr->calcSize;
1385 
1386     infoPtr->calcSize.cx = adjcx;
1387     infoPtr->calcSize.cy = yPos;
1388     TRACE("calcsize size=(%d, %d), origheight=(%d,%d)\n",
1389             infoPtr->calcSize.cx, infoPtr->calcSize.cy,
1390             oldSize.cx, oldSize.cy);
1391 
1392     REBAR_DumpBand (infoPtr);
1393     REBAR_MoveChildWindows (infoPtr, 0, infoPtr->uNumBands);
1394     REBAR_ForceResize (infoPtr);
1395 
1396     /* note: after a RBN_HEIGHTCHANGE native sends once again all the RBN_CHILDSIZE
1397      * and does another ForceResize */
1398     if (oldSize.cy != infoPtr->calcSize.cy)
1399     {
1400         NMHDR heightchange;
1401         REBAR_Notify(&heightchange, infoPtr, RBN_HEIGHTCHANGE);
1402         REBAR_AutoSize(infoPtr, FALSE);
1403     }
1404 }
1405 
1406 /* iBeginBand must be visible */
1407 static int
1408 REBAR_SizeChildrenToHeight(const REBAR_INFO *infoPtr, int iBeginBand, int iEndBand, int extra, BOOL *fChanged)
1409 {
1410     int cyBandsOld;
1411     int cyBandsNew = 0;
1412     int i;
1413 
1414     TRACE("[%d;%d) by %d\n", iBeginBand, iEndBand, extra);
1415 
1416     cyBandsOld = infoPtr->bands[iBeginBand].rcBand.bottom - infoPtr->bands[iBeginBand].rcBand.top;
1417     for (i = iBeginBand; i < iEndBand; i = next_visible(infoPtr, i))
1418     {
1419         REBAR_BAND *lpBand = &infoPtr->bands[i];
1420         int cyMaxChild = cyBandsOld - REBARSPACE(lpBand) + extra;
1421         int cyChild = round_child_height(lpBand, cyMaxChild);
1422 
1423         if (lpBand->hwndChild && cyChild != lpBand->cyChild && (lpBand->fStyle & RBBS_VARIABLEHEIGHT))
1424         {
1425             TRACE("Resizing %d: %d -> %d [%d]\n", i, lpBand->cyChild, cyChild, lpBand->cyMaxChild);
1426             *fChanged = TRUE;
1427             lpBand->cyChild = cyChild;
1428             lpBand->fDraw |= NTF_INVALIDATE;
1429             update_min_band_height(infoPtr, lpBand);
1430         }
1431         cyBandsNew = max(cyBandsNew, lpBand->cyMinBand);
1432     }
1433     return cyBandsNew - cyBandsOld;
1434 }
1435 
1436 /* worker function for RB_SIZETORECT and RBS_AUTOSIZE */
1437 static VOID
1438 REBAR_SizeToHeight(REBAR_INFO *infoPtr, int height)
1439 {
1440     int extra = height - infoPtr->calcSize.cy;  /* may be negative */
1441     BOOL fChanged = FALSE;
1442     UINT uNumRows = infoPtr->uNumRows;
1443     int i;
1444 
1445     if (uNumRows == 0)  /* avoid division by 0 */
1446         return;
1447 
1448     /* That's not exactly what Windows does but should be similar */
1449 
1450     /* Pass one: break-up/glue rows */
1451     if (extra > 0)
1452     {
1453         for (i = prev_visible(infoPtr, infoPtr->uNumBands); i > 0; i = prev_visible(infoPtr, i))
1454         {
1455             REBAR_BAND *lpBand = &infoPtr->bands[i];
1456             int height = lpBand->rcBand.bottom - lpBand->rcBand.top;
1457             int cyBreakExtra;  /* additional cy for the rebar after a RBBS_BREAK on this band */
1458 
1459             if (infoPtr->dwStyle & RBS_VARHEIGHT)
1460                 cyBreakExtra = lpBand->cyRowSoFar; /* 'height' => 'lpBand->cyRowSoFar' + 'height'*/
1461             else
1462                 cyBreakExtra = height;             /* 'height' => 'height' + 'height'*/
1463             cyBreakExtra += SEP_WIDTH;
1464 
1465             if (extra <= cyBreakExtra / 2)
1466                 break;
1467 
1468             if (!(lpBand->fStyle & RBBS_BREAK))
1469             {
1470                 TRACE("Adding break on band %d - extra %d -> %d\n", i, extra, extra - cyBreakExtra);
1471                 lpBand->fStyle |= RBBS_BREAK;
1472                 lpBand->fDraw |= NTF_INVALIDATE;
1473                 fChanged = TRUE;
1474                 extra -= cyBreakExtra;
1475                 uNumRows++;
1476                 /* temporary change for _SizeControlsToHeight. The true values will be computed in _Layout */
1477                 if (infoPtr->dwStyle & RBS_VARHEIGHT)
1478                     lpBand->rcBand.bottom = lpBand->rcBand.top + lpBand->cyMinBand;
1479             }
1480         }
1481     }
1482     /* TODO: else if (extra < 0) { try to remove some RBBS_BREAKs } */
1483 
1484     /* Pass two: increase/decrease control height */
1485     if (infoPtr->dwStyle & RBS_VARHEIGHT)
1486     {
1487         int i = first_visible(infoPtr);
1488         int iRow = 0;
1489         while (i < infoPtr->uNumBands)
1490         {
1491             REBAR_BAND *lpBand = &infoPtr->bands[i];
1492             int extraForRow = extra / (int)(uNumRows - iRow);
1493             int rowEnd;
1494 
1495             /* we can't use get_row_end_for_band as we might have added RBBS_BREAK in the first phase */
1496             for (rowEnd = next_visible(infoPtr, i); rowEnd < infoPtr->uNumBands; rowEnd = next_visible(infoPtr, rowEnd))
1497                 if (infoPtr->bands[rowEnd].iRow != lpBand->iRow || (infoPtr->bands[rowEnd].fStyle & RBBS_BREAK))
1498                     break;
1499 
1500             extra -= REBAR_SizeChildrenToHeight(infoPtr, i, rowEnd, extraForRow, &fChanged);
1501             TRACE("extra = %d\n", extra);
1502             i = rowEnd;
1503             iRow++;
1504         }
1505     }
1506     else
1507         extra -= REBAR_SizeChildrenToHeight(infoPtr, first_visible(infoPtr), infoPtr->uNumBands, extra / infoPtr->uNumRows, &fChanged);
1508 
1509     if (fChanged)
1510         REBAR_Layout(infoPtr);
1511 }
1512 
1513 static VOID
1514 REBAR_AutoSize(REBAR_INFO *infoPtr, BOOL needsLayout)
1515 {
1516     RECT rc, rcNew;
1517     NMRBAUTOSIZE autosize;
1518 
1519     if (needsLayout)
1520         REBAR_Layout(infoPtr);
1521     GetClientRect(infoPtr->hwndSelf, &rc);
1522     REBAR_SizeToHeight(infoPtr, get_rect_cy(infoPtr, &rc));
1523     GetClientRect(infoPtr->hwndSelf, &rcNew);
1524 
1525     GetClientRect(infoPtr->hwndSelf, &autosize.rcTarget);
1526     autosize.fChanged = (memcmp(&rc, &rcNew, sizeof(RECT)) == 0);
1527     autosize.rcTarget = rc;
1528     autosize.rcActual = rcNew;
1529     REBAR_Notify((NMHDR *)&autosize, infoPtr, RBN_AUTOSIZE);
1530 }
1531 
1532 static VOID
1533 REBAR_ValidateBand (const REBAR_INFO *infoPtr, REBAR_BAND *lpBand)
1534      /* Function:  This routine evaluates the band specs supplied */
1535      /*  by the user and updates the following 5 fields in        */
1536      /*  the internal band structure: cxHeader, cyHeader, cxMinBand, cyMinBand, fStatus */
1537 {
1538     UINT header=0;
1539     UINT textheight=0, imageheight = 0;
1540     UINT i, nonfixed;
1541     REBAR_BAND *tBand;
1542 
1543     lpBand->fStatus = 0;
1544     lpBand->cxMinBand = 0;
1545     lpBand->cyMinBand = 0;
1546 
1547     /* Data coming in from users into the cx... and cy... fields   */
1548     /* may be bad, just garbage, because the user never clears     */
1549     /* the fields. RB_{SET|INSERT}BAND{A|W} just passes the data   */
1550     /* along if the fields exist in the input area. Here we must   */
1551     /* determine if the data is valid. I have no idea how MS does  */
1552     /* the validation, but it does because the RB_GETBANDINFO      */
1553     /* returns a 0 when I know the sample program passed in an     */
1554     /* address. Here I will use the algorithm that if the value    */
1555     /* is greater than 65535 then it is bad and replace it with    */
1556     /* a zero. Feel free to improve the algorithm.  -  GA 12/2000  */
1557     if (lpBand->cxMinChild > 65535) lpBand->cxMinChild = 0;
1558     if (lpBand->cyMinChild > 65535) lpBand->cyMinChild = 0;
1559     if (lpBand->cx         > 65535) lpBand->cx         = 0;
1560     if (lpBand->cyChild    > 65535) lpBand->cyChild    = 0;
1561     if (lpBand->cyIntegral > 65535) lpBand->cyIntegral = 0;
1562     if (lpBand->cxIdeal    > 65535) lpBand->cxIdeal    = 0;
1563     if (lpBand->cxHeader   > 65535) lpBand->cxHeader   = 0;
1564 
1565     /* TODO : we could try return to the caller if a value changed so that */
1566     /*        a REBAR_Layout is needed. Till now the caller should call it */
1567     /*        it always (we should also check what native does)            */
1568 
1569     /* Header is where the image, text and gripper exist  */
1570     /* in the band and precede the child window.          */
1571 
1572     /* count number of non-FIXEDSIZE and non-Hidden bands */
1573     nonfixed = 0;
1574     for (i=0; i<infoPtr->uNumBands; i++){
1575         tBand = &infoPtr->bands[i];
1576         if (!HIDDENBAND(tBand) && !(tBand->fStyle & RBBS_FIXEDSIZE))
1577             nonfixed++;
1578     }
1579 
1580     /* calculate gripper rectangle */
1581     if (  (!(lpBand->fStyle & RBBS_NOGRIPPER)) &&
1582           ( (lpBand->fStyle & RBBS_GRIPPERALWAYS) ||
1583             ( !(lpBand->fStyle & RBBS_FIXEDSIZE) && (nonfixed > 1)))
1584        ) {
1585         lpBand->fStatus |= HAS_GRIPPER;
1586         if (infoPtr->dwStyle & CCS_VERT)
1587             if (infoPtr->dwStyle & RBS_VERTICALGRIPPER)
1588                 header += (GRIPPER_HEIGHT + REBAR_PRE_GRIPPER);
1589             else
1590                 header += (GRIPPER_WIDTH + REBAR_PRE_GRIPPER);
1591         else
1592             header += (REBAR_PRE_GRIPPER + GRIPPER_WIDTH);
1593         /* Always have 4 pixels before anything else */
1594         header += REBAR_ALWAYS_SPACE;
1595     }
1596 
1597     /* image is visible */
1598     if (lpBand->iImage != -1 && (infoPtr->himl)) {
1599         lpBand->fStatus |= HAS_IMAGE;
1600         if (infoPtr->dwStyle & CCS_VERT) {
1601            header += (infoPtr->imageSize.cy + REBAR_POST_IMAGE);
1602            imageheight = infoPtr->imageSize.cx + 4;
1603         }
1604         else {
1605            header += (infoPtr->imageSize.cx + REBAR_POST_IMAGE);
1606            imageheight = infoPtr->imageSize.cy + 4;
1607         }
1608     }
1609 
1610     /* text is visible */
1611     if ((lpBand->fMask & RBBIM_TEXT) && (lpBand->lpText) &&
1612         !(lpBand->fStyle & RBBS_HIDETITLE)) {
1613         HDC hdc = GetDC (0);
1614         HFONT hOldFont = SelectObject (hdc, infoPtr->hFont);
1615         SIZE size;
1616 
1617         lpBand->fStatus |= HAS_TEXT;
1618         GetTextExtentPoint32W (hdc, lpBand->lpText,
1619                                lstrlenW (lpBand->lpText), &size);
1620         header += ((infoPtr->dwStyle & CCS_VERT) ? (size.cy + REBAR_POST_TEXT) : (size.cx + REBAR_POST_TEXT));
1621         textheight = (infoPtr->dwStyle & CCS_VERT) ? 0 : size.cy;
1622 
1623         SelectObject (hdc, hOldFont);
1624         ReleaseDC (0, hdc);
1625     }
1626 
1627     /* if no gripper but either image or text, then leave space */
1628     if ((lpBand->fStatus & (HAS_IMAGE | HAS_TEXT)) &&
1629         !(lpBand->fStatus & HAS_GRIPPER)) {
1630         header += REBAR_ALWAYS_SPACE;
1631     }
1632 
1633     /* check if user overrode the header value */
1634     if (!(lpBand->fStyle & RBBS_UNDOC_FIXEDHEADER))
1635         lpBand->cxHeader = header;
1636     lpBand->cyHeader = max(textheight, imageheight);
1637 
1638     /* Now compute minimum size of child window */
1639     update_min_band_height(infoPtr, lpBand);       /* update lpBand->cyMinBand from cyHeader and cyChild*/
1640 
1641     lpBand->cxMinBand = lpBand->cxMinChild + lpBand->cxHeader + REBAR_POST_CHILD;
1642     if (lpBand->fStyle & RBBS_USECHEVRON && lpBand->cxMinChild < lpBand->cxIdeal)
1643         lpBand->cxMinBand += CHEVRON_WIDTH;
1644 }
1645 
1646 static BOOL
1647 REBAR_CommonSetupBand(HWND hwnd, const REBARBANDINFOW *lprbbi, REBAR_BAND *lpBand)
1648      /* Function:  This routine copies the supplied values from   */
1649      /*  user input (lprbbi) to the internal band structure.      */
1650      /*  It returns true if something changed and false if not.   */
1651 {
1652     BOOL bChanged = FALSE;
1653 
1654     lpBand->fMask |= lprbbi->fMask;
1655 
1656     if( (lprbbi->fMask & RBBIM_STYLE) &&
1657         (lpBand->fStyle != lprbbi->fStyle ) )
1658     {
1659         lpBand->fStyle = lprbbi->fStyle;
1660         bChanged = TRUE;
1661     }
1662 
1663     if( (lprbbi->fMask & RBBIM_COLORS) &&
1664        ( ( lpBand->clrFore != lprbbi->clrFore ) ||
1665          ( lpBand->clrBack != lprbbi->clrBack ) ) )
1666     {
1667         lpBand->clrFore = lprbbi->clrFore;
1668         lpBand->clrBack = lprbbi->clrBack;
1669         bChanged = TRUE;
1670     }
1671 
1672     if( (lprbbi->fMask & RBBIM_IMAGE) &&
1673        ( lpBand->iImage != lprbbi->iImage ) )
1674     {
1675         lpBand->iImage = lprbbi->iImage;
1676         bChanged = TRUE;
1677     }
1678 
1679     if( (lprbbi->fMask & RBBIM_CHILD) &&
1680        (lprbbi->hwndChild != lpBand->hwndChild ) )
1681     {
1682         if (lprbbi->hwndChild) {
1683             lpBand->hwndChild = lprbbi->hwndChild;
1684             lpBand->hwndPrevParent =
1685                 SetParent (lpBand->hwndChild, hwnd);
1686             /* below in trace from WinRAR */
1687             ShowWindow(lpBand->hwndChild, SW_SHOWNOACTIVATE | SW_SHOWNORMAL);
1688             /* above in trace from WinRAR */
1689         }
1690         else {
1691             TRACE("child: %p  prev parent: %p\n",
1692                    lpBand->hwndChild, lpBand->hwndPrevParent);
1693             lpBand->hwndChild = 0;
1694             lpBand->hwndPrevParent = 0;
1695         }
1696         bChanged = TRUE;
1697     }
1698 
1699     if( (lprbbi->fMask & RBBIM_CHILDSIZE) &&
1700         ( (lpBand->cxMinChild != lprbbi->cxMinChild) ||
1701           (lpBand->cyMinChild != lprbbi->cyMinChild ) ||
1702           ( (lprbbi->cbSize >= sizeof (REBARBANDINFOA)) &&
1703             ( (lpBand->cyChild    != lprbbi->cyChild ) ||
1704               (lpBand->cyMaxChild != lprbbi->cyMaxChild ) ||
1705               (lpBand->cyIntegral != lprbbi->cyIntegral ) ) ) ||
1706           ( (lprbbi->cbSize < sizeof (REBARBANDINFOA)) &&
1707             ( (lpBand->cyChild || 
1708                lpBand->cyMaxChild || 
1709                lpBand->cyIntegral ) ) ) ) )
1710     {
1711         lpBand->cxMinChild = lprbbi->cxMinChild;
1712         lpBand->cyMinChild = lprbbi->cyMinChild;
1713         /* These fields where added in WIN32_IE == 0x400 and are set only for RBBS_VARIABLEHEIGHT bands */
1714         if (lprbbi->cbSize >= sizeof (REBARBANDINFOA) && (lpBand->fStyle & RBBS_VARIABLEHEIGHT)) {
1715             lpBand->cyMaxChild = lprbbi->cyMaxChild;
1716             lpBand->cyIntegral = lprbbi->cyIntegral;
1717 
1718             lpBand->cyChild = round_child_height(lpBand, lprbbi->cyChild);  /* make (cyChild - cyMinChild) a multiple of cyIntergral */
1719         }
1720         else {
1721             lpBand->cyChild    = lpBand->cyMinChild;
1722             lpBand->cyMaxChild = 0x7fffffff;
1723             lpBand->cyIntegral = 0;
1724         }
1725         bChanged = TRUE;
1726     }
1727 
1728     if( (lprbbi->fMask & RBBIM_SIZE) &&
1729         (lpBand->cx != lprbbi->cx ) )
1730     {
1731         lpBand->cx = lprbbi->cx;
1732         bChanged = TRUE;
1733     }
1734 
1735     if( (lprbbi->fMask & RBBIM_BACKGROUND) &&
1736        ( lpBand->hbmBack != lprbbi->hbmBack ) )
1737     {
1738         lpBand->hbmBack = lprbbi->hbmBack;
1739         bChanged = TRUE;
1740     }
1741 
1742     if( (lprbbi->fMask & RBBIM_ID) &&
1743         (lpBand->wID != lprbbi->wID ) )
1744     {
1745         lpBand->wID = lprbbi->wID;
1746         bChanged = TRUE;
1747     }
1748 
1749     /* check for additional data */
1750     if (lprbbi->cbSize >= sizeof (REBARBANDINFOA)) {
1751         if( (lprbbi->fMask & RBBIM_IDEALSIZE) &&
1752             ( lpBand->cxIdeal != lprbbi->cxIdeal ) )
1753         {
1754             lpBand->cxIdeal = lprbbi->cxIdeal;
1755             bChanged = TRUE;
1756         }
1757 
1758         if( (lprbbi->fMask & RBBIM_LPARAM) &&
1759             (lpBand->lParam != lprbbi->lParam ) )
1760         {
1761             lpBand->lParam = lprbbi->lParam;
1762             bChanged = TRUE;
1763         }
1764 
1765         if( (lprbbi->fMask & RBBIM_HEADERSIZE) &&
1766             (lpBand->cxHeader != lprbbi->cxHeader ) )
1767         {
1768             lpBand->cxHeader = lprbbi->cxHeader;
1769             lpBand->fStyle |= RBBS_UNDOC_FIXEDHEADER;
1770             bChanged = TRUE;
1771         }
1772     }
1773 
1774     return bChanged;
1775 }
1776 
1777 static LRESULT
1778 REBAR_InternalEraseBkGnd (const REBAR_INFO *infoPtr, WPARAM wParam, LPARAM lParam, const RECT *clip)
1779      /* Function:  This erases the background rectangle by drawing  */
1780      /*  each band with its background color (or the default) and   */
1781      /*  draws each bands right separator if necessary. The row     */
1782      /*  separators are drawn on the first band of the next row.    */
1783 {
1784     REBAR_BAND *lpBand;
1785     UINT i;
1786     INT oldrow;
1787     HDC hdc = (HDC)wParam;
1788     RECT cr;
1789     COLORREF old = CLR_NONE, new;
1790     HTHEME theme = GetWindowTheme (infoPtr->hwndSelf);
1791 
1792     GetClientRect (infoPtr->hwndSelf, &cr);
1793 
1794     oldrow = -1;
1795     for(i=0; i<infoPtr->uNumBands; i++) {
1796         RECT rcBand;
1797         lpBand = &infoPtr->bands[i];
1798         if (HIDDENBAND(lpBand)) continue;
1799         translate_rect(infoPtr, &rcBand, &lpBand->rcBand);
1800 
1801         /* draw band separator between rows */
1802         if (lpBand->iRow != oldrow) {
1803             oldrow = lpBand->iRow;
1804             if (infoPtr->dwStyle & RBS_BANDBORDERS) {
1805                 RECT rcRowSep;
1806                 rcRowSep = rcBand;
1807                 if (infoPtr->dwStyle & CCS_VERT) {
1808                     rcRowSep.right += SEP_WIDTH_SIZE;
1809                     rcRowSep.bottom = infoPtr->calcSize.cx;
1810                     if (theme)
1811                         DrawThemeEdge (theme, hdc, RP_BAND, 0, &rcRowSep, EDGE_ETCHED, BF_RIGHT, NULL);
1812                     else
1813                         DrawEdge (hdc, &rcRowSep, EDGE_ETCHED, BF_RIGHT);
1814                 }
1815                 else {
1816                     rcRowSep.bottom += SEP_WIDTH_SIZE;
1817                     rcRowSep.right = infoPtr->calcSize.cx;
1818                     if (theme)
1819                         DrawThemeEdge (theme, hdc, RP_BAND, 0, &rcRowSep, EDGE_ETCHED, BF_BOTTOM, NULL);
1820                     else
1821                         DrawEdge (hdc, &rcRowSep, EDGE_ETCHED, BF_BOTTOM);
1822                 }
1823                 TRACE ("drawing band separator bottom (%s)\n",
1824                        wine_dbgstr_rect(&rcRowSep));
1825             }
1826         }
1827 
1828         /* draw band separator between bands in a row */
1829         if (infoPtr->dwStyle & RBS_BANDBORDERS && lpBand->rcBand.left > 0) {
1830             RECT rcSep;
1831             rcSep = rcBand;
1832             if (infoPtr->dwStyle & CCS_VERT) {
1833                 rcSep.bottom = rcSep.top;
1834                 rcSep.top -= SEP_WIDTH_SIZE;
1835                 if (theme)
1836                     DrawThemeEdge (theme, hdc, RP_BAND, 0, &rcSep, EDGE_ETCHED, BF_BOTTOM, NULL);
1837                 else
1838                     DrawEdge (hdc, &rcSep, EDGE_ETCHED, BF_BOTTOM);
1839             }
1840             else {
1841                 rcSep.right = rcSep.left;
1842                 rcSep.left -= SEP_WIDTH_SIZE;
1843                 if (theme)
1844                     DrawThemeEdge (theme, hdc, RP_BAND, 0, &rcSep, EDGE_ETCHED, BF_RIGHT, NULL);
1845                 else
1846                     DrawEdge (hdc, &rcSep, EDGE_ETCHED, BF_RIGHT);
1847             }
1848             TRACE("drawing band separator right (%s)\n",
1849                   wine_dbgstr_rect(&rcSep));
1850         }
1851 
1852         /* draw the actual background */
1853         if (lpBand->clrBack != CLR_NONE) {
1854             new = (lpBand->clrBack == CLR_DEFAULT) ? infoPtr->clrBtnFace :
1855                     lpBand->clrBack;
1856 #if GLATESTING
1857             /* testing only - make background green to see it */
1858             new = RGB(0,128,0);
1859 #endif
1860         }
1861         else {
1862             /* In the absence of documentation for Rebar vs. CLR_NONE,
1863              * we will use the default BtnFace color. Note documentation
1864              * exists for Listview and Imagelist.
1865              */
1866             new = infoPtr->clrBtnFace;
1867 #if GLATESTING
1868             /* testing only - make background green to see it */
1869             new = RGB(0,128,0);
1870 #endif
1871         }
1872 
1873         if (theme)
1874         {
1875             /* When themed, the background color is ignored (but not a
1876              * background bitmap */
1877             DrawThemeBackground (theme, hdc, 0, 0, &cr, &rcBand);
1878         }
1879         else
1880         {
1881             old = SetBkColor (hdc, new);
1882             TRACE("%s background color=0x%06x, band (%d,%d)-(%d,%d), clip (%d,%d)-(%d,%d)\n",
1883                   (lpBand->clrBack == CLR_NONE) ? "none" :
1884                     ((lpBand->clrBack == CLR_DEFAULT) ? "dft" : ""),
1885                   GetBkColor(hdc),
1886                   rcBand.left,rcBand.top,
1887                   rcBand.right,rcBand.bottom,
1888                   clip->left, clip->top,
1889                   clip->right, clip->bottom);
1890             ExtTextOutW (hdc, 0, 0, ETO_OPAQUE, &rcBand, NULL, 0, 0);
1891             if (lpBand->clrBack != CLR_NONE)
1892                 SetBkColor (hdc, old);
1893         }
1894     }
1895     return TRUE;
1896 }
1897 
1898 static void
1899 REBAR_InternalHitTest (const REBAR_INFO *infoPtr, const POINT *lpPt, UINT *pFlags, INT *pBand)
1900 {
1901     REBAR_BAND *lpBand;
1902     RECT rect;
1903     UINT  iCount;
1904 
1905     GetClientRect (infoPtr->hwndSelf, &rect);
1906 
1907     *pFlags = RBHT_NOWHERE;
1908     if (PtInRect (&rect, *lpPt))
1909     {
1910         if (infoPtr->uNumBands == 0) {
1911             *pFlags = RBHT_NOWHERE;
1912             if (pBand)
1913                 *pBand = -1;
1914             TRACE("NOWHERE\n");
1915             return;
1916         }
1917         else {
1918             /* somewhere inside */
1919             for (iCount = 0; iCount < infoPtr->uNumBands; iCount++) {
1920                 RECT rcBand;
1921                 lpBand = &infoPtr->bands[iCount];
1922                 translate_rect(infoPtr, &rcBand, &lpBand->rcBand);
1923                 if (HIDDENBAND(lpBand)) continue;
1924                 if (PtInRect (&rcBand, *lpPt)) {
1925                     if (pBand)
1926                         *pBand = iCount;
1927                     if (PtInRect (&lpBand->rcGripper, *lpPt)) {
1928                         *pFlags = RBHT_GRABBER;
1929                         TRACE("ON GRABBER %d\n", iCount);
1930                         return;
1931                     }
1932                     else if (PtInRect (&lpBand->rcCapImage, *lpPt)) {
1933                         *pFlags = RBHT_CAPTION;
1934                         TRACE("ON CAPTION %d\n", iCount);
1935                         return;
1936                     }
1937                     else if (PtInRect (&lpBand->rcCapText, *lpPt)) {
1938                         *pFlags = RBHT_CAPTION;
1939                         TRACE("ON CAPTION %d\n", iCount);
1940                         return;
1941                     }
1942                     else if (PtInRect (&lpBand->rcChild, *lpPt)) {
1943                         *pFlags = RBHT_CLIENT;
1944                         TRACE("ON CLIENT %d\n", iCount);
1945                         return;
1946                     }
1947                     else if (PtInRect (&lpBand->rcChevron, *lpPt)) {
1948                         *pFlags = RBHT_CHEVRON;
1949                         TRACE("ON CHEVRON %d\n", iCount);
1950                         return;
1951                     }
1952                     else {
1953                         *pFlags = RBHT_NOWHERE;
1954                         TRACE("NOWHERE %d\n", iCount);
1955                         return;
1956                     }
1957                 }
1958             }
1959 
1960             *pFlags = RBHT_NOWHERE;
1961             if (pBand)
1962                 *pBand = -1;
1963 
1964             TRACE("NOWHERE\n");
1965             return;
1966         }
1967     }
1968     else {
1969         *pFlags = RBHT_NOWHERE;
1970         if (pBand)
1971             *pBand = -1;
1972         TRACE("NOWHERE\n");
1973         return;
1974     }
1975 }
1976 
1977 static void
1978 REBAR_HandleLRDrag (REBAR_INFO *infoPtr, const POINT *ptsmove)
1979      /* Function:  This will implement the functionality of a     */
1980      /*  Gripper drag within a row. It will not implement "out-   */
1981      /*  of-row" drags. (They are detected and handled in         */
1982      /*  REBAR_MouseMove.)                                        */
1983      /*  **** FIXME Switching order of bands in a row not   ****  */
1984      /*  ****       yet implemented.                        ****  */
1985 {
1986     REBAR_BAND *hitBand;
1987     INT iHitBand, iRowBegin, iRowEnd;
1988     INT movement, xBand;
1989 
1990     /* on first significant mouse movement, issue notify */
1991     if (!(infoPtr->fStatus & BEGIN_DRAG_ISSUED)) {
1992         if (REBAR_Notify_NMREBAR (infoPtr, -1, RBN_BEGINDRAG)) {
1993             /* Notify returned TRUE - abort drag */
1994             infoPtr->dragStart.x = 0;
1995             infoPtr->dragStart.y = 0;
1996             infoPtr->dragNow = infoPtr->dragStart;
1997             infoPtr->iGrabbedBand = -1;
1998             ReleaseCapture ();
1999             return ;
2000         }
2001         infoPtr->fStatus |= BEGIN_DRAG_ISSUED;
2002     }
2003 
2004     iHitBand = infoPtr->iGrabbedBand;
2005     iRowBegin = get_row_begin_for_band(infoPtr, iHitBand);
2006     iRowEnd = get_row_end_for_band(infoPtr, iHitBand);
2007     hitBand = &infoPtr->bands[iHitBand];
2008 
2009     xBand = hitBand->rcBand.left;
2010     movement = (infoPtr->dwStyle&CCS_VERT ? ptsmove->y : ptsmove->x)
2011                     - (xBand + REBAR_PRE_GRIPPER - infoPtr->ihitoffset);
2012 
2013     if (movement < 0) {
2014         int cxLeft = REBAR_ShrinkBandsRTL(infoPtr, iRowBegin, iHitBand, -movement, TRUE);
2015         hitBand->cxEffective += -movement - cxLeft;
2016         hitBand->cx = hitBand->cxEffective;
2017     } else if (movement > 0) {
2018         int cxLeft = REBAR_ShrinkBandsLTR(infoPtr, iHitBand, iRowEnd, movement, TRUE);
2019         REBAR_BAND *lpPrev = &infoPtr->bands[prev_visible(infoPtr, iHitBand)];
2020         lpPrev->cxEffective += movement - cxLeft;
2021         lpPrev->cx = lpPrev->cxEffective;
2022     }
2023 
2024     REBAR_SetRowRectsX(infoPtr, iRowBegin, iRowEnd);
2025     if (infoPtr->dwStyle & CCS_VERT)
2026         REBAR_CalcVertBand(infoPtr, 0, infoPtr->uNumBands);
2027     else
2028         REBAR_CalcHorzBand(infoPtr, 0, infoPtr->uNumBands);
2029     REBAR_MoveChildWindows(infoPtr, iRowBegin, iRowEnd);
2030 }
2031 
2032 
2033 
2034 /* << REBAR_BeginDrag >> */
2035 
2036 
2037 static LRESULT
2038 REBAR_DeleteBand (REBAR_INFO *infoPtr, WPARAM wParam, LPARAM lParam)
2039 {
2040     UINT uBand = (UINT)wParam;
2041     REBAR_BAND *lpBand;
2042 
2043     if (uBand >= infoPtr->uNumBands)
2044         return FALSE;
2045 
2046     TRACE("deleting band %u!\n", uBand);
2047     lpBand = &infoPtr->bands[uBand];
2048     REBAR_Notify_NMREBAR (infoPtr, uBand, RBN_DELETINGBAND);
2049     /* TODO: a return of 1 should probably cancel the deletion */
2050 
2051     if (lpBand->hwndChild)
2052         ShowWindow(lpBand->hwndChild, SW_HIDE);
2053     Free(lpBand->lpText);
2054 
2055     infoPtr->uNumBands--;
2056     memmove(&infoPtr->bands[uBand], &infoPtr->bands[uBand+1],
2057         (infoPtr->uNumBands - uBand) * sizeof(REBAR_BAND));
2058     infoPtr->bands = ReAlloc(infoPtr->bands, infoPtr->uNumBands * sizeof(REBAR_BAND));
2059 
2060     REBAR_Notify_NMREBAR (infoPtr, -1, RBN_DELETEDBAND);
2061 
2062     /* if only 1 band left the re-validate to possible eliminate gripper */
2063     if (infoPtr->uNumBands == 1)
2064       REBAR_ValidateBand (infoPtr, &infoPtr->bands[0]);
2065 
2066     REBAR_Layout(infoPtr);
2067 
2068     return TRUE;
2069 }
2070 
2071 
2072 /* << REBAR_DragMove >> */
2073 /* << REBAR_EndDrag >> */
2074 
2075 
2076 static LRESULT
2077 REBAR_GetBandBorders (const REBAR_INFO *infoPtr, WPARAM wParam, LPARAM lParam)
2078 {
2079     LPRECT lpRect = (LPRECT)lParam;
2080     REBAR_BAND *lpBand;
2081 
2082     if (!lParam)
2083         return 0;
2084     if ((UINT)wParam >= infoPtr->uNumBands)
2085         return 0;
2086 
2087     lpBand = &infoPtr->bands[(UINT)wParam];
2088 
2089     /* FIXME - the following values were determined by experimentation */
2090     /* with the REBAR Control Spy. I have guesses as to what the 4 and */
2091     /* 1 are, but I am not sure. There doesn't seem to be any actual   */
2092     /* difference in size of the control area with and without the     */
2093     /* style.  -  GA                                                   */
2094     if (infoPtr->dwStyle & RBS_BANDBORDERS) {
2095         if (infoPtr->dwStyle & CCS_VERT) {
2096             lpRect->left = 1;
2097             lpRect->top = lpBand->cxHeader + 4;
2098             lpRect->right = 1;
2099             lpRect->bottom = 0;
2100         }
2101         else {
2102             lpRect->left = lpBand->cxHeader + 4;
2103             lpRect->top = 1;
2104             lpRect->right = 0;
2105             lpRect->bottom = 1;
2106         }
2107     }
2108     else {
2109         lpRect->left = lpBand->cxHeader;
2110     }
2111     return 0;
2112 }
2113 
2114 
2115 static inline LRESULT
2116 REBAR_GetBandCount (const REBAR_INFO *infoPtr)
2117 {
2118     TRACE("band count %u!\n", infoPtr->uNumBands);
2119 
2120     return infoPtr->uNumBands;
2121 }
2122 
2123 
2124 static LRESULT
2125 REBAR_GetBandInfoT(const REBAR_INFO *infoPtr, WPARAM wParam, LPARAM lParam, BOOL bUnicode)
2126 {
2127     LPREBARBANDINFOW lprbbi = (LPREBARBANDINFOW)lParam;
2128     REBAR_BAND *lpBand;
2129 
2130     if (lprbbi == NULL)
2131         return FALSE;
2132     if (lprbbi->cbSize < REBARBANDINFOA_V3_SIZE)
2133         return FALSE;
2134     if ((UINT)wParam >= infoPtr->uNumBands)
2135         return FALSE;
2136 
2137     TRACE("index %u (bUnicode=%d)\n", (UINT)wParam, bUnicode);
2138 
2139     /* copy band information */
2140     lpBand = &infoPtr->bands[(UINT)wParam];
2141 
2142     if (lprbbi->fMask & RBBIM_STYLE)
2143         lprbbi->fStyle = lpBand->fStyle;
2144 
2145     if (lprbbi->fMask & RBBIM_COLORS) {
2146         lprbbi->clrFore = lpBand->clrFore;
2147         lprbbi->clrBack = lpBand->clrBack;
2148         if (lprbbi->clrBack == CLR_DEFAULT)
2149             lprbbi->clrBack = infoPtr->clrBtnFace;
2150     }
2151 
2152     if (lprbbi->fMask & RBBIM_TEXT) {
2153         if (bUnicode)
2154             Str_GetPtrW(lpBand->lpText, lprbbi->lpText, lprbbi->cch);
2155         else
2156             Str_GetPtrWtoA(lpBand->lpText, (LPSTR)lprbbi->lpText, lprbbi->cch);
2157     }
2158 
2159     if (lprbbi->fMask & RBBIM_IMAGE)
2160         lprbbi->iImage = lpBand->iImage;
2161 
2162     if (lprbbi->fMask & RBBIM_CHILD)
2163         lprbbi->hwndChild = lpBand->hwndChild;
2164 
2165     if (lprbbi->fMask & RBBIM_CHILDSIZE) {
2166         lprbbi->cxMinChild = lpBand->cxMinChild;
2167         lprbbi->cyMinChild = lpBand->cyMinChild;
2168         /* to make tests pass we follow Windows behaviour and allow to read these fields only
2169          * for RBBS_VARIABLEHEIGHTS bands */
2170         if (lprbbi->cbSize >= sizeof (REBARBANDINFOA) && (lpBand->fStyle & RBBS_VARIABLEHEIGHT)) {
2171             lprbbi->cyChild    = lpBand->cyChild;
2172             lprbbi->cyMaxChild = lpBand->cyMaxChild;
2173             lprbbi->cyIntegral = lpBand->cyIntegral;
2174         }
2175     }
2176 
2177     if (lprbbi->fMask & RBBIM_SIZE)
2178         lprbbi->cx = lpBand->cx;
2179 
2180     if (lprbbi->fMask & RBBIM_BACKGROUND)
2181         lprbbi->hbmBack = lpBand->hbmBack;
2182 
2183     if (lprbbi->fMask & RBBIM_ID)
2184         lprbbi->wID = lpBand->wID;
2185 
2186     /* check for additional data */
2187     if (lprbbi->cbSize >= sizeof (REBARBANDINFOA)) {
2188         if (lprbbi->fMask & RBBIM_IDEALSIZE)
2189             lprbbi->cxIdeal = lpBand->cxIdeal;
2190 
2191         if (lprbbi->fMask & RBBIM_LPARAM)
2192             lprbbi->lParam = lpBand->lParam;
2193 
2194         if (lprbbi->fMask & RBBIM_HEADERSIZE)
2195             lprbbi->cxHeader = lpBand->cxHeader;
2196     }
2197 
2198     REBAR_DumpBandInfo(lprbbi);
2199 
2200     return TRUE;
2201 }
2202 
2203 
2204 static LRESULT
2205 REBAR_GetBarHeight (const REBAR_INFO *infoPtr, WPARAM wParam, LPARAM lParam)
2206 {
2207     INT nHeight;
2208 
2209     nHeight = infoPtr->calcSize.cy;
2210 
2211     TRACE("height = %d\n", nHeight);
2212 
2213     return nHeight;
2214 }
2215 
2216 
2217 static LRESULT
2218 REBAR_GetBarInfo (const REBAR_INFO *infoPtr, WPARAM wParam, LPARAM lParam)
2219 {
2220     LPREBARINFO lpInfo = (LPREBARINFO)lParam;
2221 
2222     if (lpInfo == NULL)
2223         return FALSE;
2224 
2225     if (lpInfo->cbSize < sizeof (REBARINFO))
2226         return FALSE;
2227 
2228     TRACE("getting bar info!\n");
2229 
2230     if (infoPtr->himl) {
2231         lpInfo->himl = infoPtr->himl;
2232         lpInfo->fMask |= RBIM_IMAGELIST;
2233     }
2234 
2235     return TRUE;
2236 }
2237 
2238 
2239 static inline LRESULT
2240 REBAR_GetBkColor (const REBAR_INFO *infoPtr)
2241 {
2242     COLORREF clr = infoPtr->clrBk;
2243 
2244     if (clr == CLR_DEFAULT)
2245       clr = infoPtr->clrBtnFace;
2246 
2247     TRACE("background color 0x%06x!\n", clr);
2248 
2249     return clr;
2250 }
2251 
2252 
2253 /* << REBAR_GetColorScheme >> */
2254 /* << REBAR_GetDropTarget >> */
2255 
2256 
2257 static LRESULT
2258 REBAR_GetPalette (const REBAR_INFO *infoPtr, WPARAM wParam, LPARAM lParam)
2259 {
2260     FIXME("empty stub!\n");
2261 
2262     return 0;
2263 }
2264 
2265 
2266 static LRESULT
2267 REBAR_GetRect (const REBAR_INFO *infoPtr, WPARAM wParam, LPARAM lParam)
2268 {
2269     INT iBand = (INT)wParam;
2270     LPRECT lprc = (LPRECT)lParam;
2271     REBAR_BAND *lpBand;
2272 
2273     if ((iBand < 0) || ((UINT)iBand >= infoPtr->uNumBands))
2274         return FALSE;
2275     if (!lprc)
2276         return FALSE;
2277 
2278     lpBand = &infoPtr->bands[iBand];
2279     /* For CCS_VERT the coordinates will be swapped - like on Windows */
2280     CopyRect (lprc, &lpBand->rcBand);
2281 
2282     TRACE("band %d, (%s)\n", iBand, wine_dbgstr_rect(lprc));
2283 
2284     return TRUE;
2285 }
2286 
2287 
2288 static inline LRESULT
2289 REBAR_GetRowCount (const REBAR_INFO *infoPtr)
2290 {
2291     TRACE("%u\n", infoPtr->uNumRows);
2292 
2293     return infoPtr->uNumRows;
2294 }
2295 
2296 
2297 static LRESULT
2298 REBAR_GetRowHeight (const REBAR_INFO *infoPtr, WPARAM wParam, LPARAM lParam)
2299 {
2300     INT iRow = (INT)wParam;
2301     int j = 0, ret = 0;
2302     UINT i;
2303     REBAR_BAND *lpBand;
2304 
2305     for (i=0; i<infoPtr->uNumBands; i++) {
2306         lpBand = &infoPtr->bands[i];
2307         if (HIDDENBAND(lpBand)) continue;
2308         if (lpBand->iRow != iRow) continue;
2309         j = lpBand->rcBand.bottom - lpBand->rcBand.top;
2310         if (j > ret) ret = j;
2311     }
2312 
2313     TRACE("row %d, height %d\n", iRow, ret);
2314 
2315     return ret;
2316 }
2317 
2318 
2319 static inline LRESULT
2320 REBAR_GetTextColor (const REBAR_INFO *infoPtr)
2321 {
2322     TRACE("text color 0x%06x!\n", infoPtr->clrText);
2323 
2324     return infoPtr->clrText;
2325 }
2326 
2327 
2328 static inline LRESULT
2329 REBAR_GetToolTips (const REBAR_INFO *infoPtr)
2330 {
2331     return (LRESULT)infoPtr->hwndToolTip;
2332 }
2333 
2334 
2335 static inline LRESULT
2336 REBAR_GetUnicodeFormat (const REBAR_INFO *infoPtr)
2337 {
2338     TRACE("%s hwnd=%p\n",
2339           infoPtr->bUnicode ? "TRUE" : "FALSE", infoPtr->hwndSelf);
2340 
2341     return infoPtr->bUnicode;
2342 }
2343 
2344 
2345 static inline LRESULT
2346 REBAR_GetVersion (const REBAR_INFO *infoPtr)
2347 {
2348     TRACE("version %d\n", infoPtr->iVersion);
2349     return infoPtr->iVersion;
2350 }
2351 
2352 
2353 static LRESULT
2354 REBAR_HitTest (const REBAR_INFO *infoPtr, WPARAM wParam, LPARAM lParam)
2355 {
2356     LPRBHITTESTINFO lprbht = (LPRBHITTESTINFO)lParam;
2357 
2358     if (!lprbht)
2359         return -1;
2360 
2361     REBAR_InternalHitTest (infoPtr, &lprbht->pt, &lprbht->flags, &lprbht->iBand);
2362 
2363     return lprbht->iBand;
2364 }
2365 
2366 
2367 static LRESULT
2368 REBAR_IdToIndex (const REBAR_INFO *infoPtr, WPARAM wParam, LPARAM lParam)
2369 {
2370     UINT i;
2371 
2372     if (infoPtr == NULL)
2373         return -1;
2374 
2375     if (infoPtr->uNumBands < 1)
2376         return -1;
2377 
2378     for (i = 0; i < infoPtr->uNumBands; i++) {
2379         if (infoPtr->bands[i].wID == (UINT)wParam) {
2380             TRACE("id %u is band %u found!\n", (UINT)wParam, i);
2381             return i;
2382         }
2383     }
2384 
2385     TRACE("id %u is not found\n", (UINT)wParam);
2386     return -1;
2387 }
2388 
2389 
2390 static LRESULT
2391 REBAR_InsertBandT(REBAR_INFO *infoPtr, WPARAM wParam, LPARAM lParam, BOOL bUnicode)
2392 {
2393     LPREBARBANDINFOW lprbbi = (LPREBARBANDINFOW)lParam;
2394     UINT uIndex = (UINT)wParam;
2395     REBAR_BAND *lpBand;
2396 
2397     if (infoPtr == NULL)
2398         return FALSE;
2399     if (lprbbi == NULL)
2400         return FALSE;
2401     if (lprbbi->cbSize < REBARBANDINFOA_V3_SIZE)
2402         return FALSE;
2403 
2404     /* trace the index as signed to see the -1 */
2405     TRACE("insert band at %d (bUnicode=%d)!\n", (INT)uIndex, bUnicode);
2406     REBAR_DumpBandInfo(lprbbi);
2407 
2408     infoPtr->bands = ReAlloc(infoPtr->bands, (infoPtr->uNumBands+1) * sizeof(REBAR_BAND));
2409     if (((INT)uIndex == -1) || (uIndex > infoPtr->uNumBands))
2410         uIndex = infoPtr->uNumBands;
2411     memmove(&infoPtr->bands[uIndex+1], &infoPtr->bands[uIndex],
2412         sizeof(REBAR_BAND) * (infoPtr->uNumBands - uIndex));
2413     infoPtr->uNumBands++;
2414 
2415     TRACE("index %u!\n", uIndex);
2416 
2417     /* initialize band (infoPtr->bands[uIndex])*/
2418     lpBand = &infoPtr->bands[uIndex];
2419     ZeroMemory(lpBand, sizeof(*lpBand));
2420     lpBand->clrFore = infoPtr->clrText;
2421     lpBand->clrBack = infoPtr->clrBk;
2422     lpBand->iImage = -1;
2423 
2424     REBAR_CommonSetupBand(infoPtr->hwndSelf, lprbbi, lpBand);
2425     if ((lprbbi->fMask & RBBIM_TEXT) && (lprbbi->lpText)) {
2426         if (bUnicode)
2427             Str_SetPtrW(&lpBand->lpText, lprbbi->lpText);
2428         else
2429             Str_SetPtrAtoW(&lpBand->lpText, (LPSTR)lprbbi->lpText);
2430     }
2431 
2432     REBAR_ValidateBand (infoPtr, lpBand);
2433     /* On insert of second band, revalidate band 1 to possible add gripper */
2434     if (infoPtr->uNumBands == 2)
2435         REBAR_ValidateBand (infoPtr, &infoPtr->bands[0]);
2436 
2437     REBAR_DumpBand (infoPtr);
2438 
2439     REBAR_Layout(infoPtr);
2440     InvalidateRect(infoPtr->hwndSelf, 0, TRUE);
2441 
2442     return TRUE;
2443 }
2444 
2445 
2446 static LRESULT
2447 REBAR_MaximizeBand (const REBAR_INFO *infoPtr, WPARAM wParam, LPARAM lParam)
2448 {
2449     REBAR_BAND *lpBand;
2450     UINT uBand = (UINT) wParam;
2451     int iRowBegin, iRowEnd;
2452     int cxDesired, extra, extraOrig;
2453     int cxIdealBand;
2454 
2455     /* Validate */
2456     if ((infoPtr->uNumBands == 0) ||
2457         ((INT)uBand < 0) || (uBand >= infoPtr->uNumBands)) {
2458         /* error !!! */
2459         ERR("Illegal MaximizeBand, requested=%d, current band count=%d\n",
2460               (INT)uBand, infoPtr->uNumBands);
2461         return FALSE;
2462     }
2463 
2464     lpBand = &infoPtr->bands[uBand];
2465 
2466     if (lpBand->fStyle & RBBS_HIDDEN)
2467     {
2468         /* Windows is buggy and creates a hole */
2469         WARN("Ignoring maximize request on a hidden band (%d)\n", uBand);
2470         return FALSE;
2471     }
2472 
2473     cxIdealBand = lpBand->cxIdeal + lpBand->cxHeader + REBAR_POST_CHILD;
2474     if (lParam && (lpBand->cxEffective < cxIdealBand))
2475         cxDesired = cxIdealBand;
2476     else
2477         cxDesired = infoPtr->calcSize.cx;
2478 
2479     iRowBegin = get_row_begin_for_band(infoPtr, uBand);
2480     iRowEnd   = get_row_end_for_band(infoPtr, uBand);
2481     extraOrig = extra = cxDesired - lpBand->cxEffective;
2482     if (extra > 0)
2483         extra = REBAR_ShrinkBandsRTL(infoPtr, iRowBegin, uBand, extra, TRUE);
2484     if (extra > 0)
2485         extra = REBAR_ShrinkBandsLTR(infoPtr, next_visible(infoPtr, uBand), iRowEnd, extra, TRUE);
2486     lpBand->cxEffective += extraOrig - extra;
2487     lpBand->cx = lpBand->cxEffective;
2488     TRACE("(%ld, %ld): Wanted size %d, obtained %d (shrink %d, %d)\n", wParam, lParam, cxDesired, lpBand->cx, extraOrig, extra);
2489     REBAR_SetRowRectsX(infoPtr, iRowBegin, iRowEnd);
2490 
2491     if (infoPtr->dwStyle & CCS_VERT)
2492         REBAR_CalcVertBand(infoPtr, iRowBegin, iRowEnd);
2493     else
2494         REBAR_CalcHorzBand(infoPtr, iRowBegin, iRowEnd);
2495     REBAR_MoveChildWindows(infoPtr, iRowBegin, iRowEnd);
2496     return TRUE;
2497 
2498 }
2499 
2500 
2501 static LRESULT
2502 REBAR_MinimizeBand (const REBAR_INFO *infoPtr, WPARAM wParam, LPARAM lParam)
2503 {
2504     REBAR_BAND *lpBand;
2505     UINT uBand = (UINT) wParam;
2506     int iPrev, iRowBegin, iRowEnd;
2507 
2508     /* A "minimize" band is equivalent to "dragging" the gripper
2509      * of than band to the right till the band is only the size
2510      * of the cxHeader.
2511      */
2512 
2513     /* Validate */
2514     if ((infoPtr->uNumBands == 0) ||
2515         ((INT)uBand < 0) || (uBand >= infoPtr->uNumBands)) {
2516         /* error !!! */
2517         ERR("Illegal MinimizeBand, requested=%d, current band count=%d\n",
2518               (INT)uBand, infoPtr->uNumBands);
2519         return FALSE;
2520     }
2521 
2522     /* compute amount of movement and validate */
2523     lpBand = &infoPtr->bands[uBand];
2524 
2525     if (lpBand->fStyle & RBBS_HIDDEN)
2526     {
2527         /* Windows is buggy and creates a hole/overlap */
2528         WARN("Ignoring minimize request on a hidden band (%d)\n", uBand);
2529         return FALSE;
2530     }
2531 
2532     iPrev = prev_visible(infoPtr, uBand);
2533     /* if first band in row */
2534     if (iPrev < 0 || infoPtr->bands[iPrev].iRow != lpBand->iRow) {
2535         int iNext = next_visible(infoPtr, uBand);
2536         if (iNext < infoPtr->uNumBands && infoPtr->bands[iNext].iRow == lpBand->iRow) {
2537             TRACE("(%ld): Minimizing the first band in row is by maximizing the second\n", wParam);
2538             REBAR_MaximizeBand(infoPtr, iNext, FALSE);
2539         }
2540         else
2541             TRACE("(%ld): Only one band in row - nothing to do\n", wParam);
2542         return TRUE;
2543     }
2544 
2545     infoPtr->bands[iPrev].cxEffective += lpBand->cxEffective - lpBand->cxMinBand;
2546     infoPtr->bands[iPrev].cx = infoPtr->bands[iPrev].cxEffective;
2547     lpBand->cx = lpBand->cxEffective = lpBand->cxMinBand;
2548 
2549     iRowBegin = get_row_begin_for_band(infoPtr, uBand);
2550     iRowEnd = get_row_end_for_band(infoPtr, uBand);
2551     REBAR_SetRowRectsX(infoPtr, iRowBegin, iRowEnd);
2552 
2553     if (infoPtr->dwStyle & CCS_VERT)
2554         REBAR_CalcVertBand(infoPtr, iRowBegin, iRowEnd);
2555     else
2556         REBAR_CalcHorzBand(infoPtr, iRowBegin, iRowEnd);
2557     REBAR_MoveChildWindows(infoPtr, iRowBegin, iRowEnd);
2558     return FALSE;
2559 }
2560 
2561 
2562 static LRESULT
2563 REBAR_MoveBand (REBAR_INFO *infoPtr, WPARAM wParam, LPARAM lParam)
2564 {
2565     REBAR_BAND *oldBands = infoPtr->bands;
2566     REBAR_BAND holder;
2567     UINT uFrom = (UINT)wParam;
2568     UINT uTo = (UINT)lParam;
2569 
2570     /* Validate */
2571     if ((infoPtr->uNumBands == 0) ||
2572         ((INT)uFrom < 0) || (uFrom >= infoPtr->uNumBands) ||
2573         ((INT)uTo < 0)   || (uTo >= infoPtr->uNumBands)) {
2574         /* error !!! */
2575         ERR("Illegal MoveBand, from=%d, to=%d, current band count=%d\n",
2576               (INT)uFrom, (INT)uTo, infoPtr->uNumBands);
2577         return FALSE;
2578     }
2579 
2580     /* save one to be moved */
2581     holder = oldBands[uFrom];
2582 
2583     /* close up rest of bands (pseudo delete) */
2584     if (uFrom < infoPtr->uNumBands - 1) {
2585         memcpy (&oldBands[uFrom], &oldBands[uFrom+1],
2586                 (infoPtr->uNumBands - uFrom - 1) * sizeof(REBAR_BAND));
2587     }
2588 
2589     /* allocate new space and copy rest of bands into it */
2590     infoPtr->bands =
2591         (REBAR_BAND *)Alloc ((infoPtr->uNumBands)*sizeof(REBAR_BAND));
2592 
2593     /* pre insert copy */
2594     if (uTo > 0) {
2595         memcpy (&infoPtr->bands[0], &oldBands[0],
2596                 uTo * sizeof(REBAR_BAND));
2597     }
2598 
2599     /* set moved band */
2600     infoPtr->bands[uTo] = holder;
2601 
2602     /* post copy */
2603     if (uTo < infoPtr->uNumBands - 1) {
2604         memcpy (&infoPtr->bands[uTo+1], &oldBands[uTo],
2605                 (infoPtr->uNumBands - uTo - 1) * sizeof(REBAR_BAND));
2606     }
2607 
2608     Free (oldBands);
2609 
2610     TRACE("moved band %d to index %d\n", uFrom, uTo);
2611     REBAR_DumpBand (infoPtr);
2612 
2613     /* **************************************************** */
2614     /*                                                      */
2615     /* We do not do a REBAR_Layout here because the native  */
2616     /* control does not do that. The actual layout and      */
2617     /* repaint is done by the *next* real action, ex.:      */
2618     /* RB_INSERTBAND, RB_DELETEBAND, RB_SIZETORECT, etc.    */
2619     /*                                                      */
2620     /* **************************************************** */
2621 
2622     return TRUE;
2623 }
2624 
2625 
2626 /* return TRUE if two strings are different */
2627 static BOOL
2628 REBAR_strdifW( LPCWSTR a, LPCWSTR b )
2629 {
2630     return ( (a && !b) || (b && !a) || (a && b && lstrcmpW(a, b) ) );
2631 }
2632 
2633 static LRESULT
2634 REBAR_SetBandInfoT(REBAR_INFO *infoPtr, WPARAM wParam, LPARAM lParam, BOOL bUnicode)
2635 {
2636     LPREBARBANDINFOW lprbbi = (LPREBARBANDINFOW)lParam;
2637     REBAR_BAND *lpBand;
2638     BOOL bChanged;
2639 
2640     if (lprbbi == NULL)
2641         return FALSE;
2642     if (lprbbi->cbSize < REBARBANDINFOA_V3_SIZE)
2643         return FALSE;
2644     if ((UINT)wParam >= infoPtr->uNumBands)
2645         return FALSE;
2646 
2647     TRACE("index %u\n", (UINT)wParam);
2648     REBAR_DumpBandInfo (lprbbi);
2649 
2650     /* set band information */
2651     lpBand = &infoPtr->bands[(UINT)wParam];
2652 
2653     bChanged = REBAR_CommonSetupBand (infoPtr->hwndSelf, lprbbi, lpBand);
2654     if (lprbbi->fMask & RBBIM_TEXT) {
2655         LPWSTR wstr = NULL;
2656         if (bUnicode)
2657             Str_SetPtrW(&wstr, lprbbi->lpText);
2658         else
2659             Str_SetPtrAtoW(&wstr, (LPSTR)lprbbi->lpText);
2660 
2661         if (REBAR_strdifW(wstr, lpBand->lpText)) {
2662             Free(lpBand->lpText);
2663             lpBand->lpText = wstr;
2664             bChanged = TRUE;
2665         }
2666         else
2667             Free(wstr);
2668     }
2669 
2670     REBAR_ValidateBand (infoPtr, lpBand);
2671 
2672     REBAR_DumpBand (infoPtr);
2673 
2674     if (bChanged && (lprbbi->fMask & (RBBIM_CHILDSIZE | RBBIM_SIZE | RBBIM_STYLE | RBBIM_IMAGE))) {
2675           REBAR_Layout(infoPtr);
2676           InvalidateRect(infoPtr->hwndSelf, 0, 1);
2677     }
2678 
2679     return TRUE;
2680 }
2681 
2682 
2683 static LRESULT
2684 REBAR_SetBarInfo (REBAR_INFO *infoPtr, WPARAM wParam, LPARAM lParam)
2685 {
2686     LPREBARINFO lpInfo = (LPREBARINFO)lParam;
2687     REBAR_BAND *lpBand;
2688     UINT i;
2689 
2690     if (lpInfo == NULL)
2691         return FALSE;
2692 
2693     if (lpInfo->cbSize < sizeof (REBARINFO))
2694         return FALSE;
2695 
2696     TRACE("setting bar info!\n");
2697 
2698     if (lpInfo->fMask & RBIM_IMAGELIST) {
2699         infoPtr->himl = lpInfo->himl;
2700         if (infoPtr->himl) {
2701             INT cx, cy;
2702             ImageList_GetIconSize (infoPtr->himl, &cx, &cy);
2703             infoPtr->imageSize.cx = cx;
2704             infoPtr->imageSize.cy = cy;
2705         }
2706         else {
2707             infoPtr->imageSize.cx = 0;
2708             infoPtr->imageSize.cy = 0;
2709         }
2710         TRACE("new image cx=%d, cy=%d\n", infoPtr->imageSize.cx,
2711               infoPtr->imageSize.cy);
2712     }
2713 
2714     /* revalidate all bands to reset flags for images in headers of bands */
2715     for (i=0; i<infoPtr->uNumBands; i++) {
2716         lpBand = &infoPtr->bands[i];
2717         REBAR_ValidateBand (infoPtr, lpBand);
2718     }
2719 
2720     return TRUE;
2721 }
2722 
2723 
2724 static LRESULT
2725 REBAR_SetBkColor (REBAR_INFO *infoPtr, WPARAM wParam, LPARAM lParam)
2726 {
2727     COLORREF clrTemp;
2728 
2729     clrTemp = infoPtr->clrBk;
2730     infoPtr->clrBk = (COLORREF)lParam;
2731 
2732     TRACE("background color 0x%06x!\n", infoPtr->clrBk);
2733 
2734     return clrTemp;
2735 }
2736 
2737 
2738 /* << REBAR_SetColorScheme >> */
2739 /* << REBAR_SetPalette >> */
2740 
2741 
2742 static LRESULT
2743 REBAR_SetParent (REBAR_INFO *infoPtr, WPARAM wParam, LPARAM lParam)
2744 {
2745     HWND hwndTemp = infoPtr->hwndNotify;
2746 
2747     infoPtr->hwndNotify = (HWND)wParam;
2748 
2749     return (LRESULT)hwndTemp;
2750 }
2751 
2752 
2753 static LRESULT
2754 REBAR_SetTextColor (REBAR_INFO *infoPtr, WPARAM wParam, LPARAM lParam)
2755 {
2756     COLORREF clrTemp;
2757 
2758     clrTemp = infoPtr->clrText;
2759     infoPtr->clrText = (COLORREF)lParam;
2760 
2761     TRACE("text color 0x%06x!\n", infoPtr->clrText);
2762 
2763     return clrTemp;
2764 }
2765 
2766 
2767 /* << REBAR_SetTooltips >> */
2768 
2769 
2770 static inline LRESULT
2771 REBAR_SetUnicodeFormat (REBAR_INFO *infoPtr, WPARAM wParam)
2772 {
2773     BOOL bTemp = infoPtr->bUnicode;
2774 
2775     TRACE("to %s hwnd=%p, was %s\n",
2776           ((BOOL)wParam) ? "TRUE" : "FALSE", infoPtr->hwndSelf,
2777           (bTemp) ? "TRUE" : "FALSE");
2778 
2779     infoPtr->bUnicode = (BOOL)wParam;
2780 
2781    return bTemp;
2782 }
2783 
2784 
2785 static LRESULT
2786 REBAR_SetVersion (REBAR_INFO *infoPtr, INT iVersion)
2787 {
2788     INT iOldVersion = infoPtr->iVersion;
2789 
2790     if (iVersion > COMCTL32_VERSION)
2791         return -1;
2792 
2793     infoPtr->iVersion = iVersion;
2794 
2795     TRACE("new version %d\n", iVersion);
2796 
2797     return iOldVersion;
2798 }
2799 
2800 
2801 static LRESULT
2802 REBAR_ShowBand (REBAR_INFO *infoPtr, WPARAM wParam, LPARAM lParam)
2803 {
2804     REBAR_BAND *lpBand;
2805 
2806     if (((INT)wParam < 0) || ((INT)wParam > infoPtr->uNumBands))
2807         return FALSE;
2808 
2809     lpBand = &infoPtr->bands[(INT)wParam];
2810 
2811     if ((BOOL)lParam) {
2812         TRACE("show band %d\n", (INT)wParam);
2813         lpBand->fStyle = lpBand->fStyle & ~RBBS_HIDDEN;
2814         if (IsWindow (lpBand->hwndChild))
2815             ShowWindow (lpBand->hwndChild, SW_SHOW);
2816     }
2817     else {
2818         TRACE("hide band %d\n", (INT)wParam);
2819         lpBand->fStyle = lpBand->fStyle | RBBS_HIDDEN;
2820         if (IsWindow (lpBand->hwndChild))
2821             ShowWindow (lpBand->hwndChild, SW_HIDE);
2822     }
2823 
2824     REBAR_Layout(infoPtr);
2825     InvalidateRect(infoPtr->hwndSelf, 0, 1);
2826 
2827     return TRUE;
2828 }
2829 
2830 
2831 static LRESULT
2832 REBAR_SizeToRect (REBAR_INFO *infoPtr, WPARAM wParam, LPARAM lParam)
2833 {
2834     LPRECT lpRect = (LPRECT)lParam;
2835 
2836     if (lpRect == NULL)
2837        return FALSE;
2838 
2839     TRACE("[%s]\n", wine_dbgstr_rect(lpRect));
2840     REBAR_SizeToHeight(infoPtr, get_rect_cy(infoPtr, lpRect));
2841     return TRUE;
2842 }
2843 
2844 
2845 
2846 static LRESULT
2847 REBAR_Create (REBAR_INFO *infoPtr, WPARAM wParam, LPARAM lParam)
2848 {
2849     LPCREATESTRUCTW cs = (LPCREATESTRUCTW) lParam;
2850     RECT wnrc1, clrc1;
2851 
2852     if (TRACE_ON(rebar)) {
2853         GetWindowRect(infoPtr->hwndSelf, &wnrc1);
2854         GetClientRect(infoPtr->hwndSelf, &clrc1);
2855         TRACE("window=(%s) client=(%s) cs=(%d,%d %dx%d)\n",
2856               wine_dbgstr_rect(&wnrc1), wine_dbgstr_rect(&clrc1),
2857               cs->x, cs->y, cs->cx, cs->cy);
2858     }
2859 
2860     TRACE("created!\n");
2861 
2862     if (OpenThemeData (infoPtr->hwndSelf, themeClass))
2863     {
2864         /* native seems to clear WS_BORDER when themed */
2865         infoPtr->dwStyle &= ~WS_BORDER;
2866     }
2867     
2868     return 0;
2869 }
2870 
2871 
2872 static LRESULT
2873 REBAR_Destroy (REBAR_INFO *infoPtr, WPARAM wParam, LPARAM lParam)
2874 {
2875     REBAR_BAND *lpBand;
2876     UINT i;
2877 
2878 
2879     /* free rebar bands */
2880     if ((infoPtr->uNumBands > 0) && infoPtr->bands) {
2881         /* clean up each band */
2882         for (i = 0; i < infoPtr->uNumBands; i++) {
2883             lpBand = &infoPtr->bands[i];
2884 
2885             /* delete text strings */
2886             Free (lpBand->lpText);
2887             lpBand->lpText = NULL;
2888             /* destroy child window */
2889             DestroyWindow (lpBand->hwndChild);
2890         }
2891 
2892         /* free band array */
2893         Free (infoPtr->bands);
2894         infoPtr->bands = NULL;
2895     }
2896 
2897     DestroyCursor (infoPtr->hcurArrow);
2898     DestroyCursor (infoPtr->hcurHorz);
2899     DestroyCursor (infoPtr->hcurVert);
2900     DestroyCursor (infoPtr->hcurDrag);
2901     if(infoPtr->hDefaultFont) DeleteObject (infoPtr->hDefaultFont);
2902     SetWindowLongPtrW (infoPtr->hwndSelf, 0, 0);
2903     
2904     CloseThemeData (GetWindowTheme (infoPtr->hwndSelf));
2905 
2906     /* free rebar info data */
2907     Free (infoPtr);
2908     TRACE("destroyed!\n");
2909     return 0;
2910 }
2911 
2912 
2913 static LRESULT
2914 REBAR_EraseBkGnd (const REBAR_INFO *infoPtr, WPARAM wParam, LPARAM lParam)
2915 {
2916     RECT cliprect;
2917 
2918     if (GetClipBox ( (HDC)wParam, &cliprect))
2919         return REBAR_InternalEraseBkGnd (infoPtr, wParam, lParam, &cliprect);
2920     return 0;
2921 }
2922 
2923 
2924 static LRESULT
2925 REBAR_GetFont (const REBAR_INFO *infoPtr, WPARAM wParam, LPARAM lParam)
2926 {
2927     return (LRESULT)infoPtr->hFont;
2928 }
2929 
2930 static LRESULT
2931 REBAR_PushChevron(const REBAR_INFO *infoPtr, WPARAM wParam, LPARAM lParam)
2932 {
2933     if ((UINT)wParam < infoPtr->uNumBands)
2934     {
2935         NMREBARCHEVRON nmrbc;
2936         REBAR_BAND *lpBand = &infoPtr->bands[wParam];
2937 
2938         TRACE("Pressed chevron on band %ld\n", wParam);
2939 
2940         /* redraw chevron in pushed state */
2941         lpBand->fDraw |= DRAW_CHEVRONPUSHED;
2942         RedrawWindow(infoPtr->hwndSelf, &lpBand->rcChevron,0,
2943           RDW_ERASE|RDW_INVALIDATE|RDW_UPDATENOW);
2944 
2945         /* notify app so it can display a popup menu or whatever */
2946         nmrbc.uBand = wParam;
2947         nmrbc.wID = lpBand->wID;
2948         nmrbc.lParam = lpBand->lParam;
2949         nmrbc.rc = lpBand->rcChevron;
2950         nmrbc.lParamNM = lParam;
2951         REBAR_Notify((NMHDR*)&nmrbc, infoPtr, RBN_CHEVRONPUSHED);
2952 
2953         /* redraw chevron in previous state */
2954         lpBand->fDraw &= ~DRAW_CHEVRONPUSHED;
2955         InvalidateRect(infoPtr->hwndSelf, &lpBand->rcChevron, TRUE);
2956 
2957         return TRUE;
2958     }
2959     return FALSE;
2960 }
2961 
2962 static LRESULT
2963 REBAR_LButtonDown (REBAR_INFO *infoPtr, WPARAM wParam, LPARAM lParam)
2964 {
2965     REBAR_BAND *lpBand;
2966     UINT htFlags;
2967     INT iHitBand;
2968     POINT ptMouseDown;
2969     ptMouseDown.x = (short)LOWORD(lParam);
2970     ptMouseDown.y = (short)HIWORD(lParam);
2971 
2972     REBAR_InternalHitTest(infoPtr, &ptMouseDown, &htFlags, &iHitBand);
2973     lpBand = &infoPtr->bands[iHitBand];
2974 
2975     if (htFlags == RBHT_CHEVRON)
2976     {
2977         REBAR_PushChevron(infoPtr, iHitBand, 0);
2978     }
2979     else if (htFlags == RBHT_GRABBER || htFlags == RBHT_CAPTION)
2980     {
2981         TRACE("Starting drag\n");
2982 
2983         SetCapture (infoPtr->hwndSelf);
2984         infoPtr->iGrabbedBand = iHitBand;
2985 
2986         /* save off the LOWORD and HIWORD of lParam as initial x,y */
2987         infoPtr->dragStart.x = (short)LOWORD(lParam);
2988         infoPtr->dragStart.y = (short)HIWORD(lParam);
2989         infoPtr->dragNow = infoPtr->dragStart;
2990         if (infoPtr->dwStyle & CCS_VERT)
2991             infoPtr->ihitoffset = infoPtr->dragStart.y - (lpBand->rcBand.left + REBAR_PRE_GRIPPER);
2992         else
2993             infoPtr->ihitoffset = infoPtr->dragStart.x - (lpBand->rcBand.left + REBAR_PRE_GRIPPER);
2994     }
2995     return 0;
2996 }
2997 
2998 static LRESULT
2999 REBAR_LButtonUp (REBAR_INFO *infoPtr, WPARAM wParam, LPARAM lParam)
3000 {
3001     if (infoPtr->iGrabbedBand >= 0)
3002     {
3003         NMHDR layout;
3004         RECT rect;
3005 
3006         infoPtr->dragStart.x = 0;
3007         infoPtr->dragStart.y = 0;
3008         infoPtr->dragNow = infoPtr->dragStart;
3009 
3010         ReleaseCapture ();
3011 
3012         if (infoPtr->fStatus & BEGIN_DRAG_ISSUED) {
3013             REBAR_Notify(&layout, infoPtr, RBN_LAYOUTCHANGED);
3014             REBAR_Notify_NMREBAR (infoPtr, infoPtr->iGrabbedBand, RBN_ENDDRAG);
3015             infoPtr->fStatus &= ~BEGIN_DRAG_ISSUED;
3016         }
3017 
3018         infoPtr->iGrabbedBand = -1;
3019 
3020         GetClientRect(infoPtr->hwndSelf, &rect);
3021         InvalidateRect(infoPtr->hwndSelf, NULL, TRUE);
3022     }
3023 
3024     return 0;
3025 }
3026 
3027 static LRESULT
3028 REBAR_MouseLeave (REBAR_INFO *infoPtr, WPARAM wParam, LPARAM lParam)
3029 {
3030     if (infoPtr->ichevronhotBand >= 0)
3031     {
3032         REBAR_BAND *lpChevronBand = &infoPtr->bands[infoPtr->ichevronhotBand];
3033         if (lpChevronBand->fDraw & DRAW_CHEVRONHOT)
3034         {
3035             lpChevronBand->fDraw &= ~DRAW_CHEVRONHOT;
3036             InvalidateRect(infoPtr->hwndSelf, &lpChevronBand->rcChevron, TRUE);
3037         }
3038     }
3039     infoPtr->iOldBand = -1;
3040     infoPtr->ichevronhotBand = -2;
3041 
3042     return TRUE;
3043 }
3044 
3045 static LRESULT
3046 REBAR_MouseMove (REBAR_INFO *infoPtr, WPARAM wParam, LPARAM lParam)
3047 {
3048     REBAR_BAND *lpChevronBand;
3049     POINT ptMove;
3050 
3051     ptMove.x = (short)LOWORD(lParam);
3052     ptMove.y = (short)HIWORD(lParam);
3053 
3054     /* if we are currently dragging a band */
3055     if (infoPtr->iGrabbedBand >= 0)
3056     {
3057         REBAR_BAND *band1, *band2;
3058         int yPtMove = (infoPtr->dwStyle & CCS_VERT ? ptMove.x : ptMove.y);
3059 
3060         if (GetCapture() != infoPtr->hwndSelf)
3061             ERR("We are dragging but haven't got capture?!?\n");
3062 
3063         band1 = &infoPtr->bands[infoPtr->iGrabbedBand-1];
3064         band2 = &infoPtr->bands[infoPtr->iGrabbedBand];
3065 
3066         /* if mouse did not move much, exit */
3067         if ((abs(ptMove.x - infoPtr->dragNow.x) <= mindragx) &&
3068             (abs(ptMove.y - infoPtr->dragNow.y) <= mindragy)) return 0;
3069 
3070         /* Test for valid drag case - must not be first band in row */
3071         if ((yPtMove < band2->rcBand.top) ||
3072               (yPtMove > band2->rcBand.bottom) ||
3073               ((infoPtr->iGrabbedBand > 0) && (band1->iRow != band2->iRow))) {
3074             FIXME("Cannot drag to other rows yet!!\n");
3075         }
3076         else {
3077             REBAR_HandleLRDrag (infoPtr, &ptMove);
3078         }
3079     }
3080     else
3081     {
3082         INT iHitBand;
3083         UINT htFlags;
3084         TRACKMOUSEEVENT trackinfo;
3085 
3086         REBAR_InternalHitTest(infoPtr, &ptMove, &htFlags, &iHitBand);
3087 
3088         if (infoPtr->iOldBand >= 0 && infoPtr->iOldBand == infoPtr->ichevronhotBand)
3089         {
3090             lpChevronBand = &infoPtr->bands[infoPtr->ichevronhotBand];
3091             if (lpChevronBand->fDraw & DRAW_CHEVRONHOT)
3092             {
3093                 lpChevronBand->fDraw &= ~DRAW_CHEVRONHOT;
3094                 InvalidateRect(infoPtr->hwndSelf, &lpChevronBand->rcChevron, TRUE);
3095             }
3096             infoPtr->ichevronhotBand = -2;
3097         }
3098 
3099         if (htFlags == RBHT_CHEVRON)
3100         {
3101             /* fill in the TRACKMOUSEEVENT struct */
3102             trackinfo.cbSize = sizeof(TRACKMOUSEEVENT);
3103             trackinfo.dwFlags = TME_QUERY;
3104             trackinfo.hwndTrack = infoPtr->hwndSelf;
3105             trackinfo.dwHoverTime = 0;
3106 
3107             /* call _TrackMouseEvent to see if we are currently tracking for this hwnd */
3108             _TrackMouseEvent(&trackinfo);
3109 
3110             /* Make sure tracking is enabled so we receive a WM_MOUSELEAVE message */
3111             if(!(trackinfo.dwFlags & TME_LEAVE))
3112             {
3113                 trackinfo.dwFlags = TME_LEAVE; /* notify upon leaving */
3114 
3115                 /* call TRACKMOUSEEVENT so we receive a WM_MOUSELEAVE message */
3116                 /* and can properly deactivate the hot chevron */
3117                 _TrackMouseEvent(&trackinfo);
3118             }
3119 
3120             lpChevronBand = &infoPtr->bands[iHitBand];
3121             if (!(lpChevronBand->fDraw & DRAW_CHEVRONHOT))
3122             {
3123                 lpChevronBand->fDraw |= DRAW_CHEVRONHOT;
3124                 InvalidateRect(infoPtr->hwndSelf, &lpChevronBand->rcChevron, TRUE);
3125                 infoPtr->ichevronhotBand = iHitBand;
3126             }
3127         }
3128         infoPtr->iOldBand = iHitBand;
3129     }
3130 
3131     return 0;
3132 }
3133 
3134 
3135 static inline LRESULT
3136 REBAR_NCCalcSize (const REBAR_INFO *infoPtr, WPARAM wParam, LPARAM lParam)
3137 {
3138     HTHEME theme;
3139     RECT *rect = (RECT *)lParam;
3140 
3141     if (infoPtr->dwStyle & WS_BORDER) {
3142         rect->left   = min(rect->left + GetSystemMetrics(SM_CXEDGE), rect->right);
3143         rect->right  = max(rect->right - GetSystemMetrics(SM_CXEDGE), rect->left);
3144         rect->top    = min(rect->top + GetSystemMetrics(SM_CYEDGE), rect->bottom);
3145         rect->bottom = max(rect->bottom - GetSystemMetrics(SM_CYEDGE), rect->top);
3146     }
3147     else if ((theme = GetWindowTheme (infoPtr->hwndSelf)))
3148     {
3149         /* FIXME: should use GetThemeInt */
3150         rect->top = min(rect->top + 1, rect->bottom);
3151     }
3152     TRACE("new client=(%s)\n", wine_dbgstr_rect(rect));
3153     return 0;
3154 }
3155 
3156 
3157 static LRESULT
3158 REBAR_NCCreate (HWND hwnd, WPARAM wParam, LPARAM lParam)
3159 {
3160     LPCREATESTRUCTW cs = (LPCREATESTRUCTW) lParam;
3161     REBAR_INFO *infoPtr = REBAR_GetInfoPtr (hwnd);
3162     RECT wnrc1, clrc1;
3163     NONCLIENTMETRICSW ncm;
3164     HFONT tfont;
3165 
3166     if (infoPtr != NULL) {
3167         ERR("Strange info structure pointer *not* NULL\n");
3168         return FALSE;
3169     }
3170 
3171     if (TRACE_ON(rebar)) {
3172         GetWindowRect(hwnd, &wnrc1);
3173         GetClientRect(hwnd, &clrc1);
3174         TRACE("window=(%s) client=(%s) cs=(%d,%d %dx%d)\n",
3175               wine_dbgstr_rect(&wnrc1), wine_dbgstr_rect(&clrc1),
3176               cs->x, cs->y, cs->cx, cs->cy);
3177     }
3178 
3179     /* allocate memory for info structure */
3180     infoPtr = (REBAR_INFO *)Alloc (sizeof(REBAR_INFO));
3181     SetWindowLongPtrW (hwnd, 0, (DWORD_PTR)infoPtr);
3182 
3183     /* initialize info structure - initial values are 0 */
3184     infoPtr->clrBk = CLR_NONE;
3185     infoPtr->clrText = CLR_NONE;
3186     infoPtr->clrBtnText = GetSysColor (COLOR_BTNTEXT);
3187     infoPtr->clrBtnFace = GetSysColor (COLOR_BTNFACE);
3188     infoPtr->iOldBand = -1;
3189     infoPtr->ichevronhotBand = -2;
3190     infoPtr->iGrabbedBand = -1;
3191     infoPtr->hwndSelf = hwnd;
3192     infoPtr->DoRedraw = TRUE;
3193     infoPtr->hcurArrow = LoadCursorW (0, (LPWSTR)IDC_ARROW);
3194     infoPtr->hcurHorz  = LoadCursorW (0, (LPWSTR)IDC_SIZEWE);
3195     infoPtr->hcurVert  = LoadCursorW (0, (LPWSTR)IDC_SIZENS);
3196     infoPtr->hcurDrag  = LoadCursorW (0, (LPWSTR)IDC_SIZE);
3197     infoPtr->fStatus = 0;
3198     infoPtr->hFont = GetStockObject (SYSTEM_FONT);
3199 
3200     /* issue WM_NOTIFYFORMAT to get unicode status of parent */
3201     REBAR_NotifyFormat(infoPtr, 0, NF_REQUERY);
3202 
3203     /* Stow away the original style */
3204     infoPtr->orgStyle = cs->style;
3205     /* add necessary styles to the requested styles */
3206     infoPtr->dwStyle = cs->style | WS_VISIBLE;
3207     if ((infoPtr->dwStyle & CCS_LAYOUT_MASK) == 0)
3208         infoPtr->dwStyle |= CCS_TOP;
3209     SetWindowLongW (hwnd, GWL_STYLE, infoPtr->dwStyle);
3210 
3211     /* get font handle for Caption Font */
3212     ncm.cbSize = sizeof(ncm);
3213     SystemParametersInfoW (SPI_GETNONCLIENTMETRICS, ncm.cbSize, &ncm, 0);
3214     /* if the font is bold, set to normal */
3215     if (ncm.lfCaptionFont.lfWeight > FW_NORMAL) {
3216         ncm.lfCaptionFont.lfWeight = FW_NORMAL;
3217     }
3218     tfont = CreateFontIndirectW (&ncm.lfCaptionFont);
3219     if (tfont) {
3220         infoPtr->hFont = infoPtr->hDefaultFont = tfont;
3221     }
3222 
3223 /* native does:
3224             GetSysColor (numerous);
3225             GetSysColorBrush (numerous) (see WM_SYSCOLORCHANGE);
3226            *GetStockObject (SYSTEM_FONT);
3227            *SetWindowLong (hwnd, 0, info ptr);
3228            *WM_NOTIFYFORMAT;
3229            *SetWindowLong (hwnd, GWL_STYLE, style+0x10000001);
3230                                     WS_VISIBLE = 0x10000000;
3231                                     CCS_TOP    = 0x00000001;
3232            *SystemParametersInfo (SPI_GETNONCLIENTMETRICS...);
3233            *CreateFontIndirect (lfCaptionFont from above);
3234             GetDC ();
3235             SelectObject (hdc, fontabove);
3236             GetTextMetrics (hdc, );    guessing is tmHeight
3237             SelectObject (hdc, oldfont);
3238             ReleaseDC ();
3239             GetWindowRect ();
3240             MapWindowPoints (0, parent, rectabove, 2);
3241             GetWindowRect ();
3242             GetClientRect ();
3243             ClientToScreen (clientrect);
3244             SetWindowPos (hwnd, 0, 0, 0, 0, 0, SWP_NOZORDER);
3245  */
3246     return TRUE;
3247 }
3248 
3249 
3250 static LRESULT
3251 REBAR_NCHitTest (const REBAR_INFO *infoPtr, WPARAM wParam, LPARAM lParam)
3252 {
3253     NMMOUSE nmmouse;
3254     POINT clpt;
3255     INT i;
3256     UINT scrap;
3257     LRESULT ret = HTCLIENT;
3258 
3259     /*
3260      * Differences from doc at MSDN (as observed with version 4.71 of
3261      *      comctl32.dll
3262      * 1. doc says nmmouse.pt is in screen coord, trace shows client coord.
3263      * 2. if band is not identified .dwItemSpec is 0xffffffff.
3264      * 3. native always seems to return HTCLIENT if notify return is 0.
3265      */
3266 
3267     clpt.x = (short)LOWORD(lParam);
3268     clpt.y = (short)HIWORD(lParam);
3269     ScreenToClient (infoPtr->hwndSelf, &clpt);
3270     REBAR_InternalHitTest (infoPtr, &clpt, &scrap,
3271                            (INT *)&nmmouse.dwItemSpec);
3272     nmmouse.dwItemData = 0;
3273     nmmouse.pt = clpt;
3274     nmmouse.dwHitInfo = 0;
3275     if ((i = REBAR_Notify((NMHDR *) &nmmouse, infoPtr, NM_NCHITTEST))) {
3276         TRACE("notify changed return value from %ld to %d\n",
3277               ret, i);
3278         ret = (LRESULT) i;
3279     }
3280     TRACE("returning %ld, client point (%d,%d)\n", ret, clpt.x, clpt.y);
3281     return ret;
3282 }
3283 
3284 
3285 static LRESULT
3286 REBAR_NCPaint (const REBAR_INFO *infoPtr, WPARAM wParam, LPARAM lParam)
3287 {
3288     RECT rcWindow;
3289     HDC hdc;
3290     HTHEME theme;
3291 
3292     if (infoPtr->dwStyle & WS_MINIMIZE)
3293         return 0; /* Nothing to do */
3294 
3295     if (infoPtr->dwStyle & WS_BORDER) {
3296 
3297         /* adjust rectangle and draw the necessary edge */
3298         if (!(hdc = GetDCEx( infoPtr->hwndSelf, 0, DCX_USESTYLE | DCX_WINDOW )))
3299             return 0;
3300         GetWindowRect (infoPtr->hwndSelf, &rcWindow);
3301         OffsetRect (&rcWindow, -rcWindow.left, -rcWindow.top);
3302         TRACE("rect (%s)\n", wine_dbgstr_rect(&rcWindow));
3303         DrawEdge (hdc, &rcWindow, EDGE_ETCHED, BF_RECT);
3304         ReleaseDC( infoPtr->hwndSelf, hdc );
3305     }
3306     else if ((theme = GetWindowTheme (infoPtr->hwndSelf)))
3307     {
3308         /* adjust rectangle and draw the necessary edge */
3309         if (!(hdc = GetDCEx( infoPtr->hwndSelf, 0, DCX_USESTYLE | DCX_WINDOW )))
3310             return 0;
3311         GetWindowRect (infoPtr->hwndSelf, &rcWindow);
3312         OffsetRect (&rcWindow, -rcWindow.left, -rcWindow.top);
3313         TRACE("rect (%s)\n", wine_dbgstr_rect(&rcWindow));
3314         DrawThemeEdge (theme, hdc, 0, 0, &rcWindow, BDR_RAISEDINNER, BF_TOP, NULL);
3315         ReleaseDC( infoPtr->hwndSelf, hdc );
3316     }
3317 
3318     return 0;
3319 }
3320 
3321 
3322 static LRESULT
3323 REBAR_NotifyFormat (REBAR_INFO *infoPtr, WPARAM wParam, LPARAM lParam)
3324 {
3325     INT i;
3326 
3327     if (lParam == NF_REQUERY) {
3328         i = SendMessageW(REBAR_GetNotifyParent (infoPtr),
3329                          WM_NOTIFYFORMAT, (WPARAM)infoPtr->hwndSelf, NF_QUERY);
3330         if ((i != NFR_ANSI) && (i != NFR_UNICODE)) {
3331             ERR("wrong response to WM_NOTIFYFORMAT (%d), assuming ANSI\n", i);
3332             i = NFR_ANSI;
3333         }
3334         infoPtr->bUnicode = (i == NFR_UNICODE) ? 1 : 0;
3335         return (LRESULT)i;
3336     }
3337     return (LRESULT)((infoPtr->bUnicode) ? NFR_UNICODE : NFR_ANSI);
3338 }
3339 
3340 
3341 static LRESULT
3342 REBAR_Paint (const REBAR_INFO *infoPtr, WPARAM wParam, LPARAM lParam)
3343 {
3344     HDC hdc = (HDC)wParam;
3345 
3346     if (hdc) {
3347         TRACE("painting\n");
3348         REBAR_Refresh (infoPtr, hdc);
3349     } else {
3350         PAINTSTRUCT ps;
3351         hdc = BeginPaint (infoPtr->hwndSelf, &ps);
3352         TRACE("painting (%s)\n", wine_dbgstr_rect(&ps.rcPaint));
3353         if (ps.fErase) {
3354             /* Erase area of paint if requested */
3355             REBAR_InternalEraseBkGnd (infoPtr, wParam, lParam, &ps.rcPaint);
3356         }
3357         REBAR_Refresh (infoPtr, hdc);
3358         EndPaint (infoPtr->hwndSelf, &ps);
3359     }
3360 
3361     return 0;
3362 }
3363 
3364 
3365 static LRESULT
3366 REBAR_SetCursor (const REBAR_INFO *infoPtr, WPARAM wParam, LPARAM lParam)
3367 {
3368     POINT pt;
3369     UINT  flags;
3370 
3371     TRACE("code=0x%X  id=0x%X\n", LOWORD(lParam), HIWORD(lParam));
3372 
3373     GetCursorPos (&pt);
3374     ScreenToClient (infoPtr->hwndSelf, &pt);
3375 
3376     REBAR_InternalHitTest (infoPtr, &pt, &flags, NULL);
3377 
3378     if (flags == RBHT_GRABBER) {
3379         if ((infoPtr->dwStyle & CCS_VERT) &&
3380             !(infoPtr->dwStyle & RBS_VERTICALGRIPPER))
3381             SetCursor (infoPtr->hcurVert);
3382         else
3383             SetCursor (infoPtr->hcurHorz);
3384     }
3385     else if (flags != RBHT_CLIENT)
3386         SetCursor (infoPtr->hcurArrow);
3387 
3388     return 0;
3389 }
3390 
3391 
3392 static LRESULT
3393 REBAR_SetFont (REBAR_INFO *infoPtr, WPARAM wParam, LPARAM lParam)
3394 {
3395     REBAR_BAND *lpBand;
3396     UINT i;
3397 
3398     infoPtr->hFont = (HFONT)wParam;
3399 
3400     /* revalidate all bands to change sizes of text in headers of bands */
3401     for (i=0; i<infoPtr->uNumBands; i++) {
3402         lpBand = &infoPtr->bands[i];
3403         REBAR_ValidateBand (infoPtr, lpBand);
3404     }
3405 
3406     REBAR_Layout(infoPtr);
3407     return 0;
3408 }
3409 
3410 
3411 static inline LRESULT
3412 REBAR_SetRedraw (REBAR_INFO *infoPtr, WPARAM wParam, LPARAM lParam)
3413      /*****************************************************
3414       *
3415       * Function;
3416       *  Handles the WM_SETREDRAW message.
3417       *
3418       * Documentation:
3419       *  According to testing V4.71 of COMCTL32 returns the
3420       *  *previous* status of the redraw flag (either 0 or -1)
3421       *  instead of the MSDN documented value of 0 if handled
3422       *
3423       *****************************************************/
3424 {
3425     BOOL oldredraw = infoPtr->DoRedraw;
3426 
3427     TRACE("set to %s, fStatus=%08x\n",
3428           (wParam) ? "TRUE" : "FALSE", infoPtr->fStatus);
3429     infoPtr->DoRedraw = (BOOL) wParam;
3430     if (wParam) {
3431         if (infoPtr->fStatus & BAND_NEEDS_REDRAW) {
3432             REBAR_MoveChildWindows (infoPtr, 0, infoPtr->uNumBands);
3433             REBAR_ForceResize (infoPtr);
3434             InvalidateRect (infoPtr->hwndSelf, 0, TRUE);
3435         }
3436         infoPtr->fStatus &= ~BAND_NEEDS_REDRAW;
3437     }
3438     return (oldredraw) ? -1 : 0;
3439 }
3440 
3441 
3442 static LRESULT
3443 REBAR_Size (REBAR_INFO *infoPtr, WPARAM wParam, LPARAM lParam)
3444 {
3445     TRACE("wParam=%lx, lParam=%lx\n", wParam, lParam);
3446 
3447     /* avoid _Layout resize recursion (but it shouldn't be infinite and it seems Windows does recurse) */
3448     if (infoPtr->fStatus & SELF_RESIZE) {
3449         infoPtr->fStatus &= ~SELF_RESIZE;
3450         TRACE("SELF_RESIZE was set, reset, fStatus=%08x lparam=%08lx\n",
3451               infoPtr->fStatus, lParam);
3452         return 0;
3453     }
3454     
3455     if (infoPtr->dwStyle & RBS_AUTOSIZE)
3456         REBAR_AutoSize(infoPtr, TRUE);
3457     else
3458         REBAR_Layout(infoPtr);
3459 
3460     return 0;
3461 }
3462 
3463 
3464 static LRESULT
3465 REBAR_StyleChanged (REBAR_INFO *infoPtr, WPARAM wParam, LPARAM lParam)
3466 {
3467     STYLESTRUCT *ss = (STYLESTRUCT *)lParam;
3468 
3469     TRACE("current style=%08x, styleOld=%08x, style being set to=%08x\n",
3470           infoPtr->dwStyle, ss->styleOld, ss->styleNew);
3471     infoPtr->orgStyle = infoPtr->dwStyle = ss->styleNew;
3472     if (GetWindowTheme (infoPtr->hwndSelf))
3473         infoPtr->dwStyle &= ~WS_BORDER;
3474     /* maybe it should be COMMON_STYLES like in toolbar */
3475     if ((ss->styleNew ^ ss->styleOld) & CCS_VERT)
3476         REBAR_Layout(infoPtr);
3477 
3478     return FALSE;
3479 }
3480 
3481 /* update theme after a WM_THEMECHANGED message */
3482 static LRESULT theme_changed (REBAR_INFO* infoPtr)
3483 {
3484     HTHEME theme = GetWindowTheme (infoPtr->hwndSelf);
3485     CloseThemeData (theme);
3486     theme = OpenThemeData (infoPtr->hwndSelf, themeClass);
3487     /* WS_BORDER disappears when theming is enabled and reappears when
3488      * disabled... */
3489     infoPtr->dwStyle &= ~WS_BORDER;
3490     infoPtr->dwStyle |= theme ? 0 : (infoPtr->orgStyle & WS_BORDER);
3491     return 0;
3492 }
3493 
3494 static LRESULT
3495 REBAR_WindowPosChanged (const REBAR_INFO *infoPtr, WPARAM wParam, LPARAM lParam)
3496 {
3497     LRESULT ret;
3498     RECT rc;
3499 
3500     ret = DefWindowProcW(infoPtr->hwndSelf, WM_WINDOWPOSCHANGED,
3501                          wParam, lParam);
3502     GetWindowRect(infoPtr->hwndSelf, &rc);
3503     TRACE("hwnd %p new pos (%s)\n", infoPtr->hwndSelf, wine_dbgstr_rect(&rc));
3504     return ret;
3505 }
3506 
3507 
3508 static LRESULT WINAPI
3509 REBAR_WindowProc (HWND hwnd, UINT uMsg, WPARAM wParam, LPARAM lParam)
3510 {
3511     REBAR_INFO *infoPtr = REBAR_GetInfoPtr (hwnd);
3512 
3513     TRACE("hwnd=%p msg=%x wparam=%lx lparam=%lx\n",
3514           hwnd, uMsg, wParam, lParam);
3515     if (!infoPtr && (uMsg != WM_NCCREATE))
3516         return DefWindowProcW (hwnd, uMsg, wParam, lParam);
3517     switch (uMsg)
3518     {
3519 /*      case RB_BEGINDRAG: */
3520 
3521         case RB_DELETEBAND:
3522             return REBAR_DeleteBand (infoPtr, wParam, lParam);
3523 
3524 /*      case RB_DRAGMOVE: */
3525 /*      case RB_ENDDRAG: */
3526 
3527         case RB_GETBANDBORDERS:
3528             return REBAR_GetBandBorders (infoPtr, wParam, lParam);
3529 
3530         case RB_GETBANDCOUNT:
3531             return REBAR_GetBandCount (infoPtr);
3532 
3533         case RB_GETBANDINFO_OLD:
3534         case RB_GETBANDINFOA:
3535             return REBAR_GetBandInfoT(infoPtr, wParam, lParam, FALSE);
3536 
3537         case RB_GETBANDINFOW:
3538             return REBAR_GetBandInfoT(infoPtr, wParam, lParam, TRUE);
3539 
3540         case RB_GETBARHEIGHT:
3541             return REBAR_GetBarHeight (infoPtr, wParam, lParam);
3542 
3543         case RB_GETBARINFO:
3544             return REBAR_GetBarInfo (infoPtr, wParam, lParam);
3545 
3546         case RB_GETBKCOLOR:
3547             return REBAR_GetBkColor (infoPtr);
3548 
3549 /*      case RB_GETCOLORSCHEME: */
3550 /*      case RB_GETDROPTARGET: */
3551 
3552         case RB_GETPALETTE:
3553             return REBAR_GetPalette (infoPtr, wParam, lParam);
3554 
3555         case RB_GETRECT:
3556             return REBAR_GetRect (infoPtr, wParam, lParam);
3557 
3558         case RB_GETROWCOUNT:
3559             return REBAR_GetRowCount (infoPtr);
3560 
3561         case RB_GETROWHEIGHT:
3562             return REBAR_GetRowHeight (infoPtr, wParam, lParam);
3563 
3564         case RB_GETTEXTCOLOR:
3565             return REBAR_GetTextColor (infoPtr);
3566 
3567         case RB_GETTOOLTIPS:
3568             return REBAR_GetToolTips (infoPtr);
3569 
3570         case RB_GETUNICODEFORMAT:
3571             return REBAR_GetUnicodeFormat (infoPtr);
3572 
3573         case CCM_GETVERSION:
3574             return REBAR_GetVersion (infoPtr);
3575 
3576         case RB_HITTEST:
3577             return REBAR_HitTest (infoPtr, wParam, lParam);
3578 
3579         case RB_IDTOINDEX:
3580             return REBAR_IdToIndex (infoPtr, wParam, lParam);
3581 
3582         case RB_INSERTBANDA:
3583             return REBAR_InsertBandT(infoPtr, wParam, lParam, FALSE);
3584 
3585         case RB_INSERTBANDW:
3586             return REBAR_InsertBandT(infoPtr, wParam, lParam, TRUE);
3587 
3588         case RB_MAXIMIZEBAND:
3589             return REBAR_MaximizeBand (infoPtr, wParam, lParam);
3590 
3591         case RB_MINIMIZEBAND:
3592             return REBAR_MinimizeBand (infoPtr, wParam, lParam);
3593 
3594         case RB_MOVEBAND:
3595             return REBAR_MoveBand (infoPtr, wParam, lParam);
3596 
3597         case RB_PUSHCHEVRON:
3598             return REBAR_PushChevron (infoPtr, wParam, lParam);
3599 
3600         case RB_SETBANDINFOA:
3601             return REBAR_SetBandInfoT(infoPtr, wParam, lParam, FALSE);
3602 
3603         case RB_SETBANDINFOW:
3604             return REBAR_SetBandInfoT(infoPtr, wParam, lParam, TRUE);
3605 
3606         case RB_SETBARINFO:
3607             return REBAR_SetBarInfo (infoPtr, wParam, lParam);
3608 
3609         case RB_SETBKCOLOR:
3610             return REBAR_SetBkColor (infoPtr, wParam, lParam);
3611 
3612 /*      case RB_SETCOLORSCHEME: */
3613 /*      case RB_SETPALETTE: */
3614 /*          return REBAR_GetPalette (infoPtr, wParam, lParam); */
3615 
3616         case RB_SETPARENT:
3617             return REBAR_SetParent (infoPtr, wParam, lParam);
3618 
3619         case RB_SETTEXTCOLOR:
3620             return REBAR_SetTextColor (infoPtr, wParam, lParam);
3621 
3622 /*      case RB_SETTOOLTIPS: */
3623 
3624         case RB_SETUNICODEFORMAT:
3625             return REBAR_SetUnicodeFormat (infoPtr, wParam);
3626 
3627         case CCM_SETVERSION:
3628             return REBAR_SetVersion (infoPtr, (INT)wParam);
3629 
3630         case RB_SHOWBAND:
3631             return REBAR_ShowBand (infoPtr, wParam, lParam);
3632 
3633         case RB_SIZETORECT:
3634             return REBAR_SizeToRect (infoPtr, wParam, lParam);
3635 
3636 
3637 /*    Messages passed to parent */
3638         case WM_COMMAND:
3639         case WM_DRAWITEM:
3640         case WM_NOTIFY:
3641             return SendMessageW(REBAR_GetNotifyParent (infoPtr), uMsg, wParam, lParam);
3642 
3643 
3644 /*      case WM_CHARTOITEM:     supported according to ControlSpy */
3645 
3646         case WM_CREATE:
3647             return REBAR_Create (infoPtr, wParam, lParam);
3648 
3649         case WM_DESTROY:
3650             return REBAR_Destroy (infoPtr, wParam, lParam);
3651 
3652         case WM_ERASEBKGND:
3653             return REBAR_EraseBkGnd (infoPtr, wParam, lParam);
3654 
3655         case WM_GETFONT:
3656             return REBAR_GetFont (infoPtr, wParam,