4 * Copyright 1996 Alexandre Julliard
6 * This library is free software; you can redistribute it and/or
7 * modify it under the terms of the GNU Lesser General Public
8 * License as published by the Free Software Foundation; either
9 * version 2.1 of the License, or (at your option) any later version.
11 * This library is distributed in the hope that it will be useful,
12 * but WITHOUT ANY WARRANTY; without even the implied warranty of
13 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
14 * Lesser General Public License for more details.
16 * You should have received a copy of the GNU Lesser General Public
17 * License along with this library; if not, write to the Free Software
18 * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
22 * This code was audited for completeness against the documented features
23 * of Comctl32.dll version 6.0 on Oct. 9, 2004, by Dimitrie O. Paun.
25 * Unless otherwise noted, we believe this code to be complete, as per
26 * the specification mentioned above.
27 * If you discover missing features, or bugs, please note them below.
42 #include "wine/winuser16.h"
43 #include "wine/winbase16.h"
44 #include "wine/unicode.h"
45 #include "user_private.h"
47 #include "wine/debug.h"
49 WINE_DEFAULT_DEBUG_CHANNEL(listbox);
51 /* Items array granularity */
52 #define LB_ARRAY_GRANULARITY 16
54 /* Scrolling timeout in ms */
55 #define LB_SCROLL_TIMEOUT 50
57 /* Listbox system timer id */
60 /* flag listbox changed while setredraw false - internal style */
61 #define LBS_DISPLAYCHANGED 0x80000000
66 LPWSTR str; /* Item text */
67 BOOL selected; /* Is item selected? */
68 UINT height; /* Item height (only for OWNERDRAWVARIABLE) */
69 ULONG_PTR data; /* User data */
72 /* Listbox structure */
75 HWND self; /* Our own window handle */
76 HWND owner; /* Owner window to send notifications to */
77 UINT style; /* Window style */
78 INT width; /* Window width */
79 INT height; /* Window height */
80 LB_ITEMDATA *items; /* Array of items */
81 INT nb_items; /* Number of items */
82 INT top_item; /* Top visible item */
83 INT selected_item; /* Selected item */
84 INT focus_item; /* Item that has the focus */
85 INT anchor_item; /* Anchor item for extended selection */
86 INT item_height; /* Default item height */
87 INT page_size; /* Items per listbox page */
88 INT column_width; /* Column width for multi-column listboxes */
89 INT horz_extent; /* Horizontal extent (0 if no hscroll) */
90 INT horz_pos; /* Horizontal position */
91 INT nb_tabs; /* Number of tabs in array */
92 INT *tabs; /* Array of tabs */
93 INT avg_char_width; /* Average width of characters */
94 BOOL caret_on; /* Is caret on? */
95 BOOL captured; /* Is mouse captured? */
97 HFONT font; /* Current font */
98 LCID locale; /* Current locale for string comparisons */
99 LPHEADCOMBO lphc; /* ComboLBox */
103 #define IS_OWNERDRAW(descr) \
104 ((descr)->style & (LBS_OWNERDRAWFIXED | LBS_OWNERDRAWVARIABLE))
106 #define HAS_STRINGS(descr) \
107 (!IS_OWNERDRAW(descr) || ((descr)->style & LBS_HASSTRINGS))
110 #define IS_MULTISELECT(descr) \
111 ((descr)->style & (LBS_MULTIPLESEL|LBS_EXTENDEDSEL) && \
112 !((descr)->style & LBS_NOSEL))
114 #define SEND_NOTIFICATION(descr,code) \
115 (SendMessageW( (descr)->owner, WM_COMMAND, \
116 MAKEWPARAM( GetWindowLongPtrW((descr->self),GWLP_ID), (code)), (LPARAM)(descr->self) ))
118 #define ISWIN31 (LOWORD(GetVersion()) == 0x0a03)
120 /* Current timer status */
130 static TIMER_DIRECTION LISTBOX_Timer = LB_TIMER_NONE;
132 static LRESULT WINAPI ListBoxWndProcA( HWND hwnd, UINT msg, WPARAM wParam, LPARAM lParam );
133 static LRESULT WINAPI ListBoxWndProcW( HWND hwnd, UINT msg, WPARAM wParam, LPARAM lParam );
135 static LRESULT LISTBOX_GetItemRect( LB_DESCR *descr, INT index, RECT *rect );
137 /*********************************************************************
138 * listbox class descriptor
140 const struct builtin_class_descr LISTBOX_builtin_class =
142 "ListBox", /* name */
143 CS_DBLCLKS /*| CS_PARENTDC*/, /* style */
144 ListBoxWndProcA, /* procA */
145 ListBoxWndProcW, /* procW */
146 sizeof(LB_DESCR *), /* extra */
147 IDC_ARROW, /* cursor */
152 /*********************************************************************
153 * combolbox class descriptor
155 const struct builtin_class_descr COMBOLBOX_builtin_class =
157 "ComboLBox", /* name */
158 CS_DBLCLKS | CS_SAVEBITS, /* style */
159 ListBoxWndProcA, /* procA */
160 ListBoxWndProcW, /* procW */
161 sizeof(LB_DESCR *), /* extra */
162 IDC_ARROW, /* cursor */
167 /* check whether app is a Win 3.1 app */
168 inline static BOOL is_old_app( LB_DESCR *descr )
170 return (GetExpWinVer16( GetWindowLongPtrW(descr->self, GWLP_HINSTANCE) ) & 0xFF00 ) == 0x0300;
174 /***********************************************************************
175 * LISTBOX_GetCurrentPageSize
177 * Return the current page size
179 static INT LISTBOX_GetCurrentPageSize( LB_DESCR *descr )
182 if (!(descr->style & LBS_OWNERDRAWVARIABLE)) return descr->page_size;
183 for (i = descr->top_item, height = 0; i < descr->nb_items; i++)
185 if ((height += descr->items[i].height) > descr->height) break;
187 if (i == descr->top_item) return 1;
188 else return i - descr->top_item;
192 /***********************************************************************
193 * LISTBOX_GetMaxTopIndex
195 * Return the maximum possible index for the top of the listbox.
197 static INT LISTBOX_GetMaxTopIndex( LB_DESCR *descr )
201 if (descr->style & LBS_OWNERDRAWVARIABLE)
203 page = descr->height;
204 for (max = descr->nb_items - 1; max >= 0; max--)
205 if ((page -= descr->items[max].height) < 0) break;
206 if (max < descr->nb_items - 1) max++;
208 else if (descr->style & LBS_MULTICOLUMN)
210 if ((page = descr->width / descr->column_width) < 1) page = 1;
211 max = (descr->nb_items + descr->page_size - 1) / descr->page_size;
212 max = (max - page) * descr->page_size;
216 max = descr->nb_items - descr->page_size;
218 if (max < 0) max = 0;
223 /***********************************************************************
224 * LISTBOX_UpdateScroll
226 * Update the scrollbars. Should be called whenever the content
227 * of the listbox changes.
229 static void LISTBOX_UpdateScroll( LB_DESCR *descr )
233 /* Check the listbox scroll bar flags individually before we call
234 SetScrollInfo otherwise when the listbox style is WS_HSCROLL and
235 no WS_VSCROLL, we end up with an uninitialized, visible horizontal
236 scroll bar when we do not need one.
237 if (!(descr->style & WS_VSCROLL)) return;
240 /* It is important that we check descr->style, and not wnd->dwStyle,
241 for WS_VSCROLL, as the former is exactly the one passed in
242 argument to CreateWindow.
243 In Windows (and from now on in Wine :) a listbox created
244 with such a style (no WS_SCROLL) does not update
245 the scrollbar with listbox-related data, thus letting
246 the programmer use it for his/her own purposes. */
248 if (descr->style & LBS_NOREDRAW) return;
249 info.cbSize = sizeof(info);
251 if (descr->style & LBS_MULTICOLUMN)
254 info.nMax = (descr->nb_items - 1) / descr->page_size;
255 info.nPos = descr->top_item / descr->page_size;
256 info.nPage = descr->width / descr->column_width;
257 if (info.nPage < 1) info.nPage = 1;
258 info.fMask = SIF_RANGE | SIF_POS | SIF_PAGE;
259 if (descr->style & LBS_DISABLENOSCROLL)
260 info.fMask |= SIF_DISABLENOSCROLL;
261 if (descr->style & WS_HSCROLL)
262 SetScrollInfo( descr->self, SB_HORZ, &info, TRUE );
264 info.fMask = SIF_RANGE;
265 if (descr->style & WS_VSCROLL)
266 SetScrollInfo( descr->self, SB_VERT, &info, TRUE );
271 info.nMax = descr->nb_items - 1;
272 info.nPos = descr->top_item;
273 info.nPage = LISTBOX_GetCurrentPageSize( descr );
274 info.fMask = SIF_RANGE | SIF_POS | SIF_PAGE;
275 if (descr->style & LBS_DISABLENOSCROLL)
276 info.fMask |= SIF_DISABLENOSCROLL;
277 if (descr->style & WS_VSCROLL)
278 SetScrollInfo( descr->self, SB_VERT, &info, TRUE );
280 if (descr->horz_extent)
283 info.nMax = descr->horz_extent - 1;
284 info.nPos = descr->horz_pos;
285 info.nPage = descr->width;
286 info.fMask = SIF_RANGE | SIF_POS | SIF_PAGE;
287 if (descr->style & LBS_DISABLENOSCROLL)
288 info.fMask |= SIF_DISABLENOSCROLL;
289 if (descr->style & WS_HSCROLL)
290 SetScrollInfo( descr->self, SB_HORZ, &info, TRUE );
296 /***********************************************************************
299 * Set the top item of the listbox, scrolling up or down if necessary.
301 static LRESULT LISTBOX_SetTopItem( LB_DESCR *descr, INT index, BOOL scroll )
303 INT max = LISTBOX_GetMaxTopIndex( descr );
304 if (index > max) index = max;
305 if (index < 0) index = 0;
306 if (descr->style & LBS_MULTICOLUMN) index -= index % descr->page_size;
307 if (descr->top_item == index) return LB_OKAY;
308 if (descr->style & LBS_MULTICOLUMN)
310 INT diff = (descr->top_item - index) / descr->page_size * descr->column_width;
311 if (scroll && (abs(diff) < descr->width))
312 ScrollWindowEx( descr->self, diff, 0, NULL, NULL, 0, NULL,
313 SW_INVALIDATE | SW_ERASE | SW_SCROLLCHILDREN );
321 if (descr->style & LBS_OWNERDRAWVARIABLE)
325 if (index > descr->top_item)
327 for (i = index - 1; i >= descr->top_item; i--)
328 diff -= descr->items[i].height;
332 for (i = index; i < descr->top_item; i++)
333 diff += descr->items[i].height;
337 diff = (descr->top_item - index) * descr->item_height;
339 if (abs(diff) < descr->height)
340 ScrollWindowEx( descr->self, 0, diff, NULL, NULL, 0, NULL,
341 SW_INVALIDATE | SW_ERASE | SW_SCROLLCHILDREN );
345 if (!scroll) InvalidateRect( descr->self, NULL, TRUE );
346 descr->top_item = index;
347 LISTBOX_UpdateScroll( descr );
352 /***********************************************************************
355 * Update the page size. Should be called when the size of
356 * the client area or the item height changes.
358 static void LISTBOX_UpdatePage( LB_DESCR *descr )
362 if ((descr->item_height == 0) || (page_size = descr->height / descr->item_height) < 1)
364 if (page_size == descr->page_size) return;
365 descr->page_size = page_size;
366 if (descr->style & LBS_MULTICOLUMN)
367 InvalidateRect( descr->self, NULL, TRUE );
368 LISTBOX_SetTopItem( descr, descr->top_item, FALSE );
372 /***********************************************************************
375 * Update the size of the listbox. Should be called when the size of
376 * the client area changes.
378 static void LISTBOX_UpdateSize( LB_DESCR *descr )
382 GetClientRect( descr->self, &rect );
383 descr->width = rect.right - rect.left;
384 descr->height = rect.bottom - rect.top;
385 if (!(descr->style & LBS_NOINTEGRALHEIGHT) && !(descr->style & LBS_OWNERDRAWVARIABLE))
390 GetWindowRect( descr->self, &rect );
391 if(descr->item_height != 0)
392 remaining = descr->height % descr->item_height;
395 if ((descr->height > descr->item_height) && remaining)
397 if (is_old_app(descr))
398 { /* give a margin for error to 16 bits programs - if we need
399 less than the height of the nonclient area, round to the
400 *next* number of items */
401 int ncheight = rect.bottom - rect.top - descr->height;
402 if ((descr->item_height - remaining) <= ncheight)
403 remaining = remaining - descr->item_height;
405 TRACE("[%p]: changing height %d -> %d\n",
406 descr->self, descr->height, descr->height - remaining );
407 SetWindowPos( descr->self, 0, 0, 0, rect.right - rect.left,
408 rect.bottom - rect.top - remaining,
409 SWP_NOZORDER | SWP_NOACTIVATE | SWP_NOMOVE );
413 TRACE("[%p]: new size = %d,%d\n", descr->self, descr->width, descr->height );
414 LISTBOX_UpdatePage( descr );
415 LISTBOX_UpdateScroll( descr );
417 /* Invalidate the focused item so it will be repainted correctly */
418 if (LISTBOX_GetItemRect( descr, descr->focus_item, &rect ) == 1)
420 InvalidateRect( descr->self, &rect, FALSE );
425 /***********************************************************************
426 * LISTBOX_GetItemRect
428 * Get the rectangle enclosing an item, in listbox client coordinates.
429 * Return 1 if the rectangle is (partially) visible, 0 if hidden, -1 on error.
431 static LRESULT LISTBOX_GetItemRect( LB_DESCR *descr, INT index, RECT *rect )
433 /* Index <= 0 is legal even on empty listboxes */
434 if (index && (index >= descr->nb_items))
436 memset(rect, 0, sizeof(*rect));
437 SetLastError(ERROR_INVALID_INDEX);
440 SetRect( rect, 0, 0, descr->width, descr->height );
441 if (descr->style & LBS_MULTICOLUMN)
443 INT col = (index / descr->page_size) -
444 (descr->top_item / descr->page_size);
445 rect->left += col * descr->column_width;
446 rect->right = rect->left + descr->column_width;
447 rect->top += (index % descr->page_size) * descr->item_height;
448 rect->bottom = rect->top + descr->item_height;
450 else if (descr->style & LBS_OWNERDRAWVARIABLE)
453 rect->right += descr->horz_pos;
454 if ((index >= 0) && (index < descr->nb_items))
456 if (index < descr->top_item)
458 for (i = descr->top_item-1; i >= index; i--)
459 rect->top -= descr->items[i].height;
463 for (i = descr->top_item; i < index; i++)
464 rect->top += descr->items[i].height;
466 rect->bottom = rect->top + descr->items[index].height;
472 rect->top += (index - descr->top_item) * descr->item_height;
473 rect->bottom = rect->top + descr->item_height;
474 rect->right += descr->horz_pos;
477 return ((rect->left < descr->width) && (rect->right > 0) &&
478 (rect->top < descr->height) && (rect->bottom > 0));
482 /***********************************************************************
483 * LISTBOX_GetItemFromPoint
485 * Return the item nearest from point (x,y) (in client coordinates).
487 static INT LISTBOX_GetItemFromPoint( LB_DESCR *descr, INT x, INT y )
489 INT index = descr->top_item;
491 if (!descr->nb_items) return -1; /* No items */
492 if (descr->style & LBS_OWNERDRAWVARIABLE)
497 while (index < descr->nb_items)
499 if ((pos += descr->items[index].height) > y) break;
508 if ((pos -= descr->items[index].height) <= y) break;
512 else if (descr->style & LBS_MULTICOLUMN)
514 if (y >= descr->item_height * descr->page_size) return -1;
515 if (y >= 0) index += y / descr->item_height;
516 if (x >= 0) index += (x / descr->column_width) * descr->page_size;
517 else index -= (((x + 1) / descr->column_width) - 1) * descr->page_size;
521 index += (y / descr->item_height);
523 if (index < 0) return 0;
524 if (index >= descr->nb_items) return -1;
529 /***********************************************************************
534 static void LISTBOX_PaintItem( LB_DESCR *descr, HDC hdc, const RECT *rect,
535 INT index, UINT action, BOOL ignoreFocus )
537 LB_ITEMDATA *item = NULL;
538 if (index < descr->nb_items) item = &descr->items[index];
540 if (IS_OWNERDRAW(descr))
548 if (action == ODA_FOCUS)
549 DrawFocusRect( hdc, rect );
551 ERR("called with an out of bounds index %d(%d) in owner draw, Not good.\n",index,descr->nb_items);
555 /* some programs mess with the clipping region when
556 drawing the item, *and* restore the previous region
557 after they are done, so a region has better to exist
558 else everything ends clipped */
559 GetClientRect(descr->self, &r);
560 hrgn = CreateRectRgnIndirect(&r);
561 SelectClipRgn( hdc, hrgn);
562 DeleteObject( hrgn );
564 dis.CtlType = ODT_LISTBOX;
565 dis.CtlID = GetWindowLongPtrW( descr->self, GWLP_ID );
566 dis.hwndItem = descr->self;
567 dis.itemAction = action;
571 if (item && item->selected) dis.itemState |= ODS_SELECTED;
572 if (!ignoreFocus && (descr->focus_item == index) &&
574 (descr->in_focus)) dis.itemState |= ODS_FOCUS;
575 if (!IsWindowEnabled(descr->self)) dis.itemState |= ODS_DISABLED;
576 dis.itemData = item ? item->data : 0;
578 TRACE("[%p]: drawitem %d (%s) action=%02x state=%02x rect=%ld,%ld-%ld,%ld\n",
579 descr->self, index, item ? debugstr_w(item->str) : "", action,
580 dis.itemState, rect->left, rect->top, rect->right, rect->bottom );
581 SendMessageW(descr->owner, WM_DRAWITEM, dis.CtlID, (LPARAM)&dis);
585 COLORREF oldText = 0, oldBk = 0;
587 if (action == ODA_FOCUS)
589 DrawFocusRect( hdc, rect );
592 if (item && item->selected)
594 oldBk = SetBkColor( hdc, GetSysColor( COLOR_HIGHLIGHT ) );
595 oldText = SetTextColor( hdc, GetSysColor(COLOR_HIGHLIGHTTEXT));
598 TRACE("[%p]: painting %d (%s) action=%02x rect=%ld,%ld-%ld,%ld\n",
599 descr->self, index, item ? debugstr_w(item->str) : "", action,
600 rect->left, rect->top, rect->right, rect->bottom );
602 ExtTextOutW( hdc, rect->left + 1, rect->top,
603 ETO_OPAQUE | ETO_CLIPPED, rect, NULL, 0, NULL );
604 else if (!(descr->style & LBS_USETABSTOPS))
605 ExtTextOutW( hdc, rect->left + 1, rect->top,
606 ETO_OPAQUE | ETO_CLIPPED, rect, item->str,
607 strlenW(item->str), NULL );
610 /* Output empty string to paint background in the full width. */
611 ExtTextOutW( hdc, rect->left + 1, rect->top,
612 ETO_OPAQUE | ETO_CLIPPED, rect, NULL, 0, NULL );
613 TabbedTextOutW( hdc, rect->left + 1 , rect->top,
614 item->str, strlenW(item->str),
615 descr->nb_tabs, descr->tabs, 0);
617 if (item && item->selected)
619 SetBkColor( hdc, oldBk );
620 SetTextColor( hdc, oldText );
622 if (!ignoreFocus && (descr->focus_item == index) &&
624 (descr->in_focus)) DrawFocusRect( hdc, rect );
629 /***********************************************************************
632 * Change the redraw flag.
634 static void LISTBOX_SetRedraw( LB_DESCR *descr, BOOL on )
638 if (!(descr->style & LBS_NOREDRAW)) return;
639 descr->style &= ~LBS_NOREDRAW;
640 if (descr->style & LBS_DISPLAYCHANGED)
641 { /* page was changed while setredraw false, refresh automatically */
642 InvalidateRect(descr->self, NULL, TRUE);
643 if ((descr->top_item + descr->page_size) > descr->nb_items)
644 { /* reset top of page if less than number of items/page */
645 descr->top_item = descr->nb_items - descr->page_size;
646 if (descr->top_item < 0) descr->top_item = 0;
648 descr->style &= ~LBS_DISPLAYCHANGED;
650 LISTBOX_UpdateScroll( descr );
652 else descr->style |= LBS_NOREDRAW;
656 /***********************************************************************
657 * LISTBOX_RepaintItem
659 * Repaint a single item synchronously.
661 static void LISTBOX_RepaintItem( LB_DESCR *descr, INT index, UINT action )
666 HBRUSH hbrush, oldBrush = 0;
668 /* Do not repaint the item if the item is not visible */
669 if (!IsWindowVisible(descr->self)) return;
670 if (descr->style & LBS_NOREDRAW)
672 descr->style |= LBS_DISPLAYCHANGED;
675 if (LISTBOX_GetItemRect( descr, index, &rect ) != 1) return;
676 if (!(hdc = GetDCEx( descr->self, 0, DCX_CACHE ))) return;
677 if (descr->font) oldFont = SelectObject( hdc, descr->font );
678 hbrush = (HBRUSH)SendMessageW( descr->owner, WM_CTLCOLORLISTBOX,
679 (WPARAM)hdc, (LPARAM)descr->self );
680 if (hbrush) oldBrush = SelectObject( hdc, hbrush );
681 if (!IsWindowEnabled(descr->self))
682 SetTextColor( hdc, GetSysColor( COLOR_GRAYTEXT ) );
683 SetWindowOrgEx( hdc, descr->horz_pos, 0, NULL );
684 LISTBOX_PaintItem( descr, hdc, &rect, index, action, FALSE );
685 if (oldFont) SelectObject( hdc, oldFont );
686 if (oldBrush) SelectObject( hdc, oldBrush );
687 ReleaseDC( descr->self, hdc );
691 /***********************************************************************
692 * LISTBOX_InitStorage
694 static LRESULT LISTBOX_InitStorage( LB_DESCR *descr, INT nb_items )
698 nb_items += LB_ARRAY_GRANULARITY - 1;
699 nb_items -= (nb_items % LB_ARRAY_GRANULARITY);
701 nb_items += HeapSize( GetProcessHeap(), 0, descr->items ) / sizeof(*item);
702 item = HeapReAlloc( GetProcessHeap(), 0, descr->items,
703 nb_items * sizeof(LB_ITEMDATA));
706 item = HeapAlloc( GetProcessHeap(), 0,
707 nb_items * sizeof(LB_ITEMDATA));
712 SEND_NOTIFICATION( descr, LBN_ERRSPACE );
720 /***********************************************************************
721 * LISTBOX_SetTabStops
723 static BOOL LISTBOX_SetTabStops( LB_DESCR *descr, INT count, LPINT tabs, BOOL short_ints )
727 if (!(descr->style & LBS_USETABSTOPS))
729 SetLastError(ERROR_LB_WITHOUT_TABSTOPS);
733 HeapFree( GetProcessHeap(), 0, descr->tabs );
734 if (!(descr->nb_tabs = count))
739 if (!(descr->tabs = HeapAlloc( GetProcessHeap(), 0,
740 descr->nb_tabs * sizeof(INT) )))
745 LPINT16 p = (LPINT16)tabs;
747 TRACE("[%p]: settabstops ", descr->self );
748 for (i = 0; i < descr->nb_tabs; i++) {
749 descr->tabs[i] = *p++<<1; /* FIXME */
750 TRACE("%hd ", descr->tabs[i]);
754 else memcpy( descr->tabs, tabs, descr->nb_tabs * sizeof(INT) );
756 /* convert into "dialog units"*/
757 for (i = 0; i < descr->nb_tabs; i++)
758 descr->tabs[i] = MulDiv(descr->tabs[i], descr->avg_char_width, 4);
764 /***********************************************************************
767 static LRESULT LISTBOX_GetText( LB_DESCR *descr, INT index, LPWSTR buffer, BOOL unicode )
769 if ((index < 0) || (index >= descr->nb_items))
771 SetLastError(ERROR_INVALID_INDEX);
774 if (HAS_STRINGS(descr))
778 DWORD len = strlenW(descr->items[index].str);
781 return WideCharToMultiByte( CP_ACP, 0, descr->items[index].str, len,
782 NULL, 0, NULL, NULL );
785 TRACE("index %d (0x%04x) %s\n", index, index, debugstr_w(descr->items[index].str));
789 strcpyW( buffer, descr->items[index].str );
790 return strlenW(buffer);
794 return WideCharToMultiByte(CP_ACP, 0, descr->items[index].str, -1, (LPSTR)buffer, 0x7FFFFFFF, NULL, NULL) - 1;
798 *((LPDWORD)buffer)=*(LPDWORD)(&descr->items[index].data);
799 return sizeof(DWORD);
803 static inline INT LISTBOX_lstrcmpiW( LCID lcid, LPCWSTR str1, LPCWSTR str2 )
805 INT ret = CompareStringW( lcid, NORM_IGNORECASE, str1, -1, str2, -1 );
806 if (ret == CSTR_LESS_THAN)
808 if (ret == CSTR_EQUAL)
810 if (ret == CSTR_GREATER_THAN)
815 /***********************************************************************
816 * LISTBOX_FindStringPos
818 * Find the nearest string located before a given string in sort order.
819 * If 'exact' is TRUE, return an error if we don't get an exact match.
821 static INT LISTBOX_FindStringPos( LB_DESCR *descr, LPCWSTR str, BOOL exact )
823 INT index, min, max, res = -1;
825 if (!(descr->style & LBS_SORT)) return -1; /* Add it at the end */
827 max = descr->nb_items;
830 index = (min + max) / 2;
831 if (HAS_STRINGS(descr))
832 res = LISTBOX_lstrcmpiW( descr->locale, str, descr->items[index].str);
835 COMPAREITEMSTRUCT cis;
836 UINT id = (UINT)GetWindowLongPtrW( descr->self, GWLP_ID );
838 cis.CtlType = ODT_LISTBOX;
840 cis.hwndItem = descr->self;
841 /* note that some application (MetaStock) expects the second item
842 * to be in the listbox */
844 cis.itemData1 = (ULONG_PTR)str;
846 cis.itemData2 = descr->items[index].data;
847 cis.dwLocaleId = descr->locale;
848 res = SendMessageW( descr->owner, WM_COMPAREITEM, id, (LPARAM)&cis );
850 if (!res) return index;
851 if (res < 0) max = index;
852 else min = index + 1;
854 return exact ? -1 : max;
858 /***********************************************************************
859 * LISTBOX_FindFileStrPos
861 * Find the nearest string located before a given string in directory
862 * sort order (i.e. first files, then directories, then drives).
864 static INT LISTBOX_FindFileStrPos( LB_DESCR *descr, LPCWSTR str )
866 INT min, max, res = -1;
868 if (!HAS_STRINGS(descr))
869 return LISTBOX_FindStringPos( descr, str, FALSE );
871 max = descr->nb_items;
874 INT index = (min + max) / 2;
875 LPCWSTR p = descr->items[index].str;
876 if (*p == '[') /* drive or directory */
878 if (*str != '[') res = -1;
879 else if (p[1] == '-') /* drive */
881 if (str[1] == '-') res = str[2] - p[2];
886 if (str[1] == '-') res = 1;
887 else res = LISTBOX_lstrcmpiW( descr->locale, str, p );
892 if (*str == '[') res = 1;
893 else res = LISTBOX_lstrcmpiW( descr->locale, str, p );
895 if (!res) return index;
896 if (res < 0) max = index;
897 else min = index + 1;
903 /***********************************************************************
906 * Find the item beginning with a given string.
908 static INT LISTBOX_FindString( LB_DESCR *descr, INT start, LPCWSTR str, BOOL exact )
913 if (start >= descr->nb_items) start = -1;
914 item = descr->items + start + 1;
915 if (HAS_STRINGS(descr))
917 if (!str || ! str[0] ) return LB_ERR;
920 for (i = start + 1; i < descr->nb_items; i++, item++)
921 if (!LISTBOX_lstrcmpiW( descr->locale, str, item->str )) return i;
922 for (i = 0, item = descr->items; i <= start; i++, item++)
923 if (!LISTBOX_lstrcmpiW( descr->locale, str, item->str )) return i;
927 /* Special case for drives and directories: ignore prefix */
928 #define CHECK_DRIVE(item) \
929 if ((item)->str[0] == '[') \
931 if (!strncmpiW( str, (item)->str+1, len )) return i; \
932 if (((item)->str[1] == '-') && !strncmpiW(str, (item)->str+2, len)) \
936 INT len = strlenW(str);
937 for (i = start + 1; i < descr->nb_items; i++, item++)
939 if (!strncmpiW( str, item->str, len )) return i;
942 for (i = 0, item = descr->items; i <= start; i++, item++)
944 if (!strncmpiW( str, item->str, len )) return i;
952 if (exact && (descr->style & LBS_SORT))
953 /* If sorted, use a WM_COMPAREITEM binary search */
954 return LISTBOX_FindStringPos( descr, str, TRUE );
956 /* Otherwise use a linear search */
957 for (i = start + 1; i < descr->nb_items; i++, item++)
958 if (item->data == (ULONG_PTR)str) return i;
959 for (i = 0, item = descr->items; i <= start; i++, item++)
960 if (item->data == (ULONG_PTR)str) return i;
966 /***********************************************************************
967 * LISTBOX_GetSelCount
969 static LRESULT LISTBOX_GetSelCount( LB_DESCR *descr )
972 LB_ITEMDATA *item = descr->items;
974 if (!(descr->style & LBS_MULTIPLESEL) ||
975 (descr->style & LBS_NOSEL))
977 for (i = count = 0; i < descr->nb_items; i++, item++)
978 if (item->selected) count++;
983 /***********************************************************************
984 * LISTBOX_GetSelItems16
986 static LRESULT LISTBOX_GetSelItems16( LB_DESCR *descr, INT16 max, LPINT16 array )
989 LB_ITEMDATA *item = descr->items;
991 if (!(descr->style & LBS_MULTIPLESEL)) return LB_ERR;
992 for (i = count = 0; (i < descr->nb_items) && (count < max); i++, item++)
993 if (item->selected) array[count++] = (INT16)i;
998 /***********************************************************************
999 * LISTBOX_GetSelItems
1001 static LRESULT LISTBOX_GetSelItems( LB_DESCR *descr, INT max, LPINT array )
1004 LB_ITEMDATA *item = descr->items;
1006 if (!(descr->style & LBS_MULTIPLESEL)) return LB_ERR;
1007 for (i = count = 0; (i < descr->nb_items) && (count < max); i++, item++)
1008 if (item->selected) array[count++] = i;
1013 /***********************************************************************
1016 static LRESULT LISTBOX_Paint( LB_DESCR *descr, HDC hdc )
1018 INT i, col_pos = descr->page_size - 1;
1020 RECT focusRect = {-1, -1, -1, -1};
1022 HBRUSH hbrush, oldBrush = 0;
1024 if (descr->style & LBS_NOREDRAW) return 0;
1026 SetRect( &rect, 0, 0, descr->width, descr->height );
1027 if (descr->style & LBS_MULTICOLUMN)
1028 rect.right = rect.left + descr->column_width;
1029 else if (descr->horz_pos)
1031 SetWindowOrgEx( hdc, descr->horz_pos, 0, NULL );
1032 rect.right += descr->horz_pos;
1035 if (descr->font) oldFont = SelectObject( hdc, descr->font );
1036 hbrush = (HBRUSH)SendMessageW( descr->owner, WM_CTLCOLORLISTBOX,
1037 (WPARAM)hdc, (LPARAM)descr->self );
1038 if (hbrush) oldBrush = SelectObject( hdc, hbrush );
1039 if (!IsWindowEnabled(descr->self)) SetTextColor( hdc, GetSysColor( COLOR_GRAYTEXT ) );
1041 if (!descr->nb_items && (descr->focus_item != -1) && descr->caret_on &&
1044 /* Special case for empty listbox: paint focus rect */
1045 rect.bottom = rect.top + descr->item_height;
1046 ExtTextOutW( hdc, 0, 0, ETO_OPAQUE | ETO_CLIPPED,
1047 &rect, NULL, 0, NULL );
1048 LISTBOX_PaintItem( descr, hdc, &rect, descr->focus_item, ODA_FOCUS, FALSE );
1049 rect.top = rect.bottom;
1052 /* Paint all the item, regarding the selection
1053 Focus state will be painted after */
1055 for (i = descr->top_item; i < descr->nb_items; i++)
1057 if (!(descr->style & LBS_OWNERDRAWVARIABLE))
1058 rect.bottom = rect.top + descr->item_height;
1060 rect.bottom = rect.top + descr->items[i].height;
1062 if (i == descr->focus_item)
1064 /* keep the focus rect, to paint the focus item after */
1065 focusRect.left = rect.left;
1066 focusRect.right = rect.right;
1067 focusRect.top = rect.top;
1068 focusRect.bottom = rect.bottom;
1070 LISTBOX_PaintItem( descr, hdc, &rect, i, ODA_DRAWENTIRE, TRUE );
1071 rect.top = rect.bottom;
1073 if ((descr->style & LBS_MULTICOLUMN) && !col_pos)
1075 if (!IS_OWNERDRAW(descr))
1077 /* Clear the bottom of the column */
1078 if (rect.top < descr->height)
1080 rect.bottom = descr->height;
1081 ExtTextOutW( hdc, 0, 0, ETO_OPAQUE | ETO_CLIPPED,
1082 &rect, NULL, 0, NULL );
1086 /* Go to the next column */
1087 rect.left += descr->column_width;
1088 rect.right += descr->column_width;
1090 col_pos = descr->page_size - 1;
1095 if (rect.top >= descr->height) break;
1099 /* Paint the focus item now */
1100 if (focusRect.top != focusRect.bottom &&
1101 descr->caret_on && descr->in_focus)
1102 LISTBOX_PaintItem( descr, hdc, &focusRect, descr->focus_item, ODA_FOCUS, FALSE );
1104 if (!IS_OWNERDRAW(descr))
1106 /* Clear the remainder of the client area */
1107 if (rect.top < descr->height)
1109 rect.bottom = descr->height;
1110 ExtTextOutW( hdc, 0, 0, ETO_OPAQUE | ETO_CLIPPED,
1111 &rect, NULL, 0, NULL );
1113 if (rect.right < descr->width)
1115 rect.left = rect.right;
1116 rect.right = descr->width;
1118 rect.bottom = descr->height;
1119 ExtTextOutW( hdc, 0, 0, ETO_OPAQUE | ETO_CLIPPED,
1120 &rect, NULL, 0, NULL );
1123 if (oldFont) SelectObject( hdc, oldFont );
1124 if (oldBrush) SelectObject( hdc, oldBrush );
1129 /***********************************************************************
1130 * LISTBOX_InvalidateItems
1132 * Invalidate all items from a given item. If the specified item is not
1133 * visible, nothing happens.
1135 static void LISTBOX_InvalidateItems( LB_DESCR *descr, INT index )
1139 if (LISTBOX_GetItemRect( descr, index, &rect ) == 1)
1141 if (descr->style & LBS_NOREDRAW)
1143 descr->style |= LBS_DISPLAYCHANGED;
1146 rect.bottom = descr->height;
1147 InvalidateRect( descr->self, &rect, TRUE );
1148 if (descr->style & LBS_MULTICOLUMN)
1150 /* Repaint the other columns */
1151 rect.left = rect.right;
1152 rect.right = descr->width;
1154 InvalidateRect( descr->self, &rect, TRUE );
1159 static void LISTBOX_InvalidateItemRect( LB_DESCR *descr, INT index )
1163 if (LISTBOX_GetItemRect( descr, index, &rect ) == 1)
1164 InvalidateRect( descr->self, &rect, TRUE );
1167 /***********************************************************************
1168 * LISTBOX_GetItemHeight
1170 static LRESULT LISTBOX_GetItemHeight( LB_DESCR *descr, INT index )
1172 if (descr->style & LBS_OWNERDRAWVARIABLE)
1174 if ((index < 0) || (index >= descr->nb_items))
1176 SetLastError(ERROR_INVALID_INDEX);
1179 return descr->items[index].height;
1181 else return descr->item_height;
1185 /***********************************************************************
1186 * LISTBOX_SetItemHeight
1188 static LRESULT LISTBOX_SetItemHeight( LB_DESCR *descr, INT index, INT height, BOOL repaint )
1190 if (!height) height = 1;
1192 if (descr->style & LBS_OWNERDRAWVARIABLE)
1194 if ((index < 0) || (index >= descr->nb_items))
1196 SetLastError(ERROR_INVALID_INDEX);
1199 TRACE("[%p]: item %d height = %d\n", descr->self, index, height );
1200 descr->items[index].height = height;
1201 LISTBOX_UpdateScroll( descr );
1203 LISTBOX_InvalidateItems( descr, index );
1205 else if (height != descr->item_height)
1207 TRACE("[%p]: new height = %d\n", descr->self, height );
1208 descr->item_height = height;
1209 LISTBOX_UpdatePage( descr );
1210 LISTBOX_UpdateScroll( descr );
1212 InvalidateRect( descr->self, 0, TRUE );
1218 /***********************************************************************
1219 * LISTBOX_SetHorizontalPos
1221 static void LISTBOX_SetHorizontalPos( LB_DESCR *descr, INT pos )
1225 if (pos > descr->horz_extent - descr->width)
1226 pos = descr->horz_extent - descr->width;
1227 if (pos < 0) pos = 0;
1228 if (!(diff = descr->horz_pos - pos)) return;
1229 TRACE("[%p]: new horz pos = %d\n", descr->self, pos );
1230 descr->horz_pos = pos;
1231 LISTBOX_UpdateScroll( descr );
1232 if (abs(diff) < descr->width)
1235 /* Invalidate the focused item so it will be repainted correctly */
1236 if (LISTBOX_GetItemRect( descr, descr->focus_item, &rect ) == 1)
1237 InvalidateRect( descr->self, &rect, TRUE );
1238 ScrollWindowEx( descr->self, diff, 0, NULL, NULL, 0, NULL,
1239 SW_INVALIDATE | SW_ERASE | SW_SCROLLCHILDREN );
1242 InvalidateRect( descr->self, NULL, TRUE );
1246 /***********************************************************************
1247 * LISTBOX_SetHorizontalExtent
1249 static LRESULT LISTBOX_SetHorizontalExtent( LB_DESCR *descr, INT extent )
1251 if (!descr->horz_extent || (descr->style & LBS_MULTICOLUMN))
1253 if (extent <= 0) extent = 1;
1254 if (extent == descr->horz_extent) return LB_OKAY;
1255 TRACE("[%p]: new horz extent = %d\n", descr->self, extent );
1256 descr->horz_extent = extent;
1257 if (descr->horz_pos > extent - descr->width)
1258 LISTBOX_SetHorizontalPos( descr, extent - descr->width );
1260 LISTBOX_UpdateScroll( descr );
1265 /***********************************************************************
1266 * LISTBOX_SetColumnWidth
1268 static LRESULT LISTBOX_SetColumnWidth( LB_DESCR *descr, INT width)
1270 if (width == descr->column_width) return LB_OKAY;
1271 TRACE("[%p]: new column width = %d\n", descr->self, width );
1272 descr->column_width = width;
1273 LISTBOX_UpdatePage( descr );
1278 /***********************************************************************
1281 * Returns the item height.
1283 static INT LISTBOX_SetFont( LB_DESCR *descr, HFONT font )
1287 const char *alphabet = "abcdefghijklmnopqrstuvwxyzABCDEFGHIJKLMNOPQRSTUVWXYZ";
1292 if (!(hdc = GetDCEx( descr->self, 0, DCX_CACHE )))
1294 ERR("unable to get DC.\n" );
1297 if (font) oldFont = SelectObject( hdc, font );
1298 GetTextExtentPointA( hdc, alphabet, 52, &sz);
1299 if (oldFont) SelectObject( hdc, oldFont );
1300 ReleaseDC( descr->self, hdc );
1302 descr->avg_char_width = (sz.cx / 26 + 1) / 2;
1303 if (!IS_OWNERDRAW(descr))
1304 LISTBOX_SetItemHeight( descr, 0, sz.cy, FALSE );
1309 /***********************************************************************
1310 * LISTBOX_MakeItemVisible
1312 * Make sure that a given item is partially or fully visible.
1314 static void LISTBOX_MakeItemVisible( LB_DESCR *descr, INT index, BOOL fully )
1318 if (index <= descr->top_item) top = index;
1319 else if (descr->style & LBS_MULTICOLUMN)
1321 INT cols = descr->width;
1322 if (!fully) cols += descr->column_width - 1;
1323 if (cols >= descr->column_width) cols /= descr->column_width;
1325 if (index < descr->top_item + (descr->page_size * cols)) return;
1326 top = index - descr->page_size * (cols - 1);
1328 else if (descr->style & LBS_OWNERDRAWVARIABLE)
1330 INT height = fully ? descr->items[index].height : 1;
1331 for (top = index; top > descr->top_item; top--)
1332 if ((height += descr->items[top-1].height) > descr->height) break;
1336 if (index < descr->top_item + descr->page_size) return;
1337 if (!fully && (index == descr->top_item + descr->page_size) &&
1338 (descr->height > (descr->page_size * descr->item_height))) return;
1339 top = index - descr->page_size + 1;
1341 LISTBOX_SetTopItem( descr, top, TRUE );
1344 /***********************************************************************
1345 * LISTBOX_SetCaretIndex
1348 * index must be between 0 and descr->nb_items-1, or LB_ERR is returned.
1351 static LRESULT LISTBOX_SetCaretIndex( LB_DESCR *descr, INT index, BOOL fully_visible )
1353 INT oldfocus = descr->focus_item;
1355 if (descr->style & LBS_NOSEL) return LB_ERR;
1356 if ((index < 0) || (index >= descr->nb_items)) return LB_ERR;
1357 if (index == oldfocus) return LB_OKAY;
1358 descr->focus_item = index;
1359 if ((oldfocus != -1) && descr->caret_on && (descr->in_focus))
1360 LISTBOX_RepaintItem( descr, oldfocus, ODA_FOCUS );
1362 LISTBOX_MakeItemVisible( descr, index, fully_visible );
1363 if (descr->caret_on && (descr->in_focus))
1364 LISTBOX_RepaintItem( descr, index, ODA_FOCUS );
1370 /***********************************************************************
1371 * LISTBOX_SelectItemRange
1373 * Select a range of items. Should only be used on a MULTIPLESEL listbox.
1375 static LRESULT LISTBOX_SelectItemRange( LB_DESCR *descr, INT first,
1380 /* A few sanity checks */
1382 if (descr->style & LBS_NOSEL) return LB_ERR;
1383 if (!(descr->style & LBS_MULTIPLESEL)) return LB_ERR;
1385 if (!descr->nb_items) return LB_OKAY;
1387 if (last >= descr->nb_items) last = descr->nb_items - 1;
1388 if (first < 0) first = 0;
1389 if (last < first) return LB_OKAY;
1391 if (on) /* Turn selection on */
1393 for (i = first; i <= last; i++)
1395 if (descr->items[i].selected) continue;
1396 descr->items[i].selected = TRUE;
1397 LISTBOX_InvalidateItemRect(descr, i);
1400 else /* Turn selection off */
1402 for (i = first; i <= last; i++)
1404 if (!descr->items[i].selected) continue;
1405 descr->items[i].selected = FALSE;
1406 LISTBOX_InvalidateItemRect(descr, i);
1412 /***********************************************************************
1413 * LISTBOX_SetSelection
1415 static LRESULT LISTBOX_SetSelection( LB_DESCR *descr, INT index,
1416 BOOL on, BOOL send_notify )
1418 TRACE( "index=%d notify=%s\n", index, send_notify ? "YES" : "NO" );
1420 if (descr->style & LBS_NOSEL)
1422 descr->selected_item = index;
1425 if ((index < -1) || (index >= descr->nb_items)) return LB_ERR;
1426 if (descr->style & LBS_MULTIPLESEL)
1428 if (index == -1) /* Select all items */
1429 return LISTBOX_SelectItemRange( descr, 0, descr->nb_items, on );
1430 else /* Only one item */
1431 return LISTBOX_SelectItemRange( descr, index, index, on );
1435 INT oldsel = descr->selected_item;
1436 if (index == oldsel) return LB_OKAY;
1437 if (oldsel != -1) descr->items[oldsel].selected = FALSE;
1438 if (index != -1) descr->items[index].selected = TRUE;
1439 descr->selected_item = index;
1440 if (oldsel != -1) LISTBOX_RepaintItem( descr, oldsel, ODA_SELECT );
1441 if (index != -1) LISTBOX_RepaintItem( descr, index, ODA_SELECT );
1442 if (send_notify && descr->nb_items) SEND_NOTIFICATION( descr,
1443 (index != -1) ? LBN_SELCHANGE : LBN_SELCANCEL );
1445 if( descr->lphc ) /* set selection change flag for parent combo */
1446 descr->lphc->wState |= CBF_SELCHANGE;
1452 /***********************************************************************
1455 * Change the caret position and extend the selection to the new caret.
1457 static void LISTBOX_MoveCaret( LB_DESCR *descr, INT index, BOOL fully_visible )
1459 INT oldfocus = descr->focus_item;
1461 if ((index < 0) || (index >= descr->nb_items))
1464 /* Important, repaint needs to be done in this order if
1465 you want to mimic Windows behavior:
1466 1. Remove the focus and paint the item
1467 2. Remove the selection and paint the item(s)
1468 3. Set the selection and repaint the item(s)
1469 4. Set the focus to 'index' and repaint the item */
1471 /* 1. remove the focus and repaint the item */
1472 descr->focus_item = -1;
1473 if ((oldfocus != -1) && descr->caret_on && (descr->in_focus))
1474 LISTBOX_RepaintItem( descr, oldfocus, ODA_FOCUS );
1476 /* 2. then turn off the previous selection */
1477 /* 3. repaint the new selected item */
1478 if (descr->style & LBS_EXTENDEDSEL)
1480 if (descr->anchor_item != -1)
1482 INT first = min( index, descr->anchor_item );
1483 INT last = max( index, descr->anchor_item );
1485 LISTBOX_SelectItemRange( descr, 0, first - 1, FALSE );
1486 LISTBOX_SelectItemRange( descr, last + 1, -1, FALSE );
1487 LISTBOX_SelectItemRange( descr, first, last, TRUE );
1490 else if (!(descr->style & LBS_MULTIPLESEL))
1492 /* Set selection to new caret item */
1493 LISTBOX_SetSelection( descr, index, TRUE, FALSE );
1496 /* 4. repaint the new item with the focus */
1497 descr->focus_item = index;
1498 LISTBOX_MakeItemVisible( descr, index, fully_visible );
1499 if (descr->caret_on && (descr->in_focus))
1500 LISTBOX_RepaintItem( descr, index, ODA_FOCUS );
1504 /***********************************************************************
1505 * LISTBOX_InsertItem
1507 static LRESULT LISTBOX_InsertItem( LB_DESCR *descr, INT index,
1508 LPWSTR str, ULONG_PTR data )
1512 INT oldfocus = descr->focus_item;
1514 if (index == -1) index = descr->nb_items;
1515 else if ((index < 0) || (index > descr->nb_items)) return LB_ERR;
1516 if (!descr->items) max_items = 0;
1517 else max_items = HeapSize( GetProcessHeap(), 0, descr->items ) / sizeof(*item);
1518 if (descr->nb_items == max_items)
1520 /* We need to grow the array */
1521 max_items += LB_ARRAY_GRANULARITY;
1523 item = HeapReAlloc( GetProcessHeap(), 0, descr->items,
1524 max_items * sizeof(LB_ITEMDATA) );
1526 item = HeapAlloc( GetProcessHeap(), 0,
1527 max_items * sizeof(LB_ITEMDATA) );
1530 SEND_NOTIFICATION( descr, LBN_ERRSPACE );
1533 descr->items = item;
1536 /* Insert the item structure */
1538 item = &descr->items[index];
1539 if (index < descr->nb_items)
1540 RtlMoveMemory( item + 1, item,
1541 (descr->nb_items - index) * sizeof(LB_ITEMDATA) );
1545 item->selected = FALSE;
1548 /* Get item height */
1550 if (descr->style & LBS_OWNERDRAWVARIABLE)
1552 MEASUREITEMSTRUCT mis;
1553 UINT id = (UINT)GetWindowLongPtrW( descr->self, GWLP_ID );
1555 mis.CtlType = ODT_LISTBOX;
1558 mis.itemData = descr->items[index].data;
1559 mis.itemHeight = descr->item_height;
1560 SendMessageW( descr->owner, WM_MEASUREITEM, id, (LPARAM)&mis );
1561 item->height = mis.itemHeight ? mis.itemHeight : 1;
1562 TRACE("[%p]: measure item %d (%s) = %d\n",
1563 descr->self, index, str ? debugstr_w(str) : "", item->height );
1566 /* Repaint the items */
1568 LISTBOX_UpdateScroll( descr );
1569 LISTBOX_InvalidateItems( descr, index );
1571 /* Move selection and focused item */
1572 /* If listbox was empty, set focus to the first item */
1573 if (descr->nb_items == 1)
1574 LISTBOX_SetCaretIndex( descr, 0, FALSE );
1575 /* single select don't change selection index in win31 */
1576 else if ((ISWIN31) && !(IS_MULTISELECT(descr)))
1578 descr->selected_item++;
1579 LISTBOX_SetSelection( descr, descr->selected_item-1, TRUE, FALSE );
1583 if (index <= descr->selected_item)
1585 descr->selected_item++;
1586 descr->focus_item = oldfocus; /* focus not changed */
1593 /***********************************************************************
1594 * LISTBOX_InsertString
1596 static LRESULT LISTBOX_InsertString( LB_DESCR *descr, INT index, LPCWSTR str )
1598 LPWSTR new_str = NULL;
1602 if (HAS_STRINGS(descr))
1604 static const WCHAR empty_stringW[] = { 0 };
1605 if (!str) str = empty_stringW;
1606 if (!(new_str = HeapAlloc( GetProcessHeap(), 0, (strlenW(str) + 1) * sizeof(WCHAR) )))
1608 SEND_NOTIFICATION( descr, LBN_ERRSPACE );
1611 strcpyW(new_str, str);
1613 else data = (ULONG_PTR)str;
1615 if (index == -1) index = descr->nb_items;
1616 if ((ret = LISTBOX_InsertItem( descr, index, new_str, data )) != 0)
1618 HeapFree( GetProcessHeap(), 0, new_str );
1622 TRACE("[%p]: added item %d %s\n",
1623 descr->self, index, HAS_STRINGS(descr) ? debugstr_w(new_str) : "" );
1628 /***********************************************************************
1629 * LISTBOX_DeleteItem
1631 * Delete the content of an item. 'index' must be a valid index.
1633 static void LISTBOX_DeleteItem( LB_DESCR *descr, INT index )
1635 /* Note: Win 3.1 only sends DELETEITEM on owner-draw items,
1636 * while Win95 sends it for all items with user data.
1637 * It's probably better to send it too often than not
1638 * often enough, so this is what we do here.
1640 if (IS_OWNERDRAW(descr) || descr->items[index].data)
1642 DELETEITEMSTRUCT dis;
1643 UINT id = (UINT)GetWindowLongPtrW( descr->self, GWLP_ID );
1645 dis.CtlType = ODT_LISTBOX;
1648 dis.hwndItem = descr->self;
1649 dis.itemData = descr->items[index].data;
1650 SendMessageW( descr->owner, WM_DELETEITEM, id, (LPARAM)&dis );
1652 if (HAS_STRINGS(descr) && descr->items[index].str)
1653 HeapFree( GetProcessHeap(), 0, descr->items[index].str );
1657 /***********************************************************************
1658 * LISTBOX_RemoveItem
1660 * Remove an item from the listbox and delete its content.
1662 static LRESULT LISTBOX_RemoveItem( LB_DESCR *descr, INT index )
1667 if ((index < 0) || (index >= descr->nb_items)) return LB_ERR;
1669 /* We need to invalidate the original rect instead of the updated one. */
1670 LISTBOX_InvalidateItems( descr, index );
1672 LISTBOX_DeleteItem( descr, index );
1674 /* Remove the item */
1676 item = &descr->items[index];
1677 if (index < descr->nb_items-1)
1678 RtlMoveMemory( item, item + 1,
1679 (descr->nb_items - index - 1) * sizeof(LB_ITEMDATA) );
1681 if (descr->anchor_item == descr->nb_items) descr->anchor_item--;
1683 /* Shrink the item array if possible */
1685 max_items = HeapSize( GetProcessHeap(), 0, descr->items ) / sizeof(LB_ITEMDATA);
1686 if (descr->nb_items < max_items - 2*LB_ARRAY_GRANULARITY)
1688 max_items -= LB_ARRAY_GRANULARITY;
1689 item = HeapReAlloc( GetProcessHeap(), 0, descr->items,
1690 max_items * sizeof(LB_ITEMDATA) );
1691 if (item) descr->items = item;
1693 /* Repaint the items */
1695 LISTBOX_UpdateScroll( descr );
1696 /* if we removed the scrollbar, reset the top of the list
1697 (correct for owner-drawn ???) */
1698 if (descr->nb_items == descr->page_size)
1699 LISTBOX_SetTopItem( descr, 0, TRUE );
1701 /* Move selection and focused item */
1702 if (!IS_MULTISELECT(descr))
1704 if (index == descr->selected_item)
1705 descr->selected_item = -1;
1706 else if (index < descr->selected_item)
1708 descr->selected_item--;
1709 if (ISWIN31) /* win 31 do not change the selected item number */
1710 LISTBOX_SetSelection( descr, descr->selected_item + 1, TRUE, FALSE);
1714 if (descr->focus_item >= descr->nb_items)
1716 descr->focus_item = descr->nb_items - 1;
1717 if (descr->focus_item < 0) descr->focus_item = 0;
1723 /***********************************************************************
1724 * LISTBOX_ResetContent
1726 static void LISTBOX_ResetContent( LB_DESCR *descr )
1730 for(i = descr->nb_items - 1; i>=0; i--) LISTBOX_DeleteItem( descr, i);
1731 HeapFree( GetProcessHeap(), 0, descr->items );
1732 descr->nb_items = 0;
1733 descr->top_item = 0;
1734 descr->selected_item = -1;
1735 descr->focus_item = 0;
1736 descr->anchor_item = -1;
1737 descr->items = NULL;
1741 /***********************************************************************
1744 static LRESULT LISTBOX_SetCount( LB_DESCR *descr, INT count )
1748 if (HAS_STRINGS(descr))
1750 SetLastError(ERROR_SETCOUNT_ON_BAD_LB);
1754 /* FIXME: this is far from optimal... */
1755 if (count > descr->nb_items)
1757 while (count > descr->nb_items)
1758 if ((ret = LISTBOX_InsertString( descr, -1, 0 )) < 0)
1761 else if (count < descr->nb_items)
1763 while (count < descr->nb_items)
1764 if ((ret = LISTBOX_RemoveItem( descr, (descr->nb_items - 1) )) < 0)
1771 /***********************************************************************
1774 static LRESULT LISTBOX_Directory( LB_DESCR *descr, UINT attrib,
1775 LPCWSTR filespec, BOOL long_names )
1778 LRESULT ret = LB_OKAY;
1779 WIN32_FIND_DATAW entry;
1782 /* don't scan directory if we just want drives exclusively */
1783 if (attrib != (DDL_DRIVES | DDL_EXCLUSIVE)) {
1784 /* scan directory */
1785 if ((handle = FindFirstFileW(filespec, &entry)) == INVALID_HANDLE_VALUE)
1787 int le = GetLastError();
1788 if ((le != ERROR_NO_MORE_FILES) && (le != ERROR_FILE_NOT_FOUND)) return LB_ERR;
1795 if (entry.dwFileAttributes & FILE_ATTRIBUTE_DIRECTORY)
1797 static const WCHAR bracketW[] = { ']',0 };
1798 static const WCHAR dotW[] = { '.',0 };
1799 if (!(attrib & DDL_DIRECTORY) ||
1800 !strcmpW( entry.cFileName, dotW )) continue;
1802 if (!long_names && entry.cAlternateFileName[0])
1803 strcpyW( buffer + 1, entry.cAlternateFileName );
1805 strcpyW( buffer + 1, entry.cFileName );
1806 strcatW(buffer, bracketW);
1808 else /* not a directory */
1810 #define ATTRIBS (FILE_ATTRIBUTE_READONLY | FILE_ATTRIBUTE_HIDDEN | \
1811 FILE_ATTRIBUTE_SYSTEM | FILE_ATTRIBUTE_ARCHIVE)
1813 if ((attrib & DDL_EXCLUSIVE) &&
1814 ((attrib & ATTRIBS) != (entry.dwFileAttributes & ATTRIBS)))
1817 if (!long_names && entry.cAlternateFileName[0])
1818 strcpyW( buffer, entry.cAlternateFileName );
1820 strcpyW( buffer, entry.cFileName );
1822 if (!long_names) CharLowerW( buffer );
1823 pos = LISTBOX_FindFileStrPos( descr, buffer );
1824 if ((ret = LISTBOX_InsertString( descr, pos, buffer )) < 0)
1826 } while (FindNextFileW( handle, &entry ));
1827 FindClose( handle );
1832 if ((ret >= 0) && (attrib & DDL_DRIVES))
1834 WCHAR buffer[] = {'[','-','a','-',']',0};
1835 WCHAR root[] = {'A',':','\\',0};
1837 for (drive = 0; drive < 26; drive++, buffer[2]++, root[0]++)
1839 if (GetDriveTypeW(root) <= DRIVE_NO_ROOT_DIR) continue;
1840 if ((ret = LISTBOX_InsertString( descr, -1, buffer )) < 0)
1848 /***********************************************************************
1849 * LISTBOX_HandleVScroll
1851 static LRESULT LISTBOX_HandleVScroll( LB_DESCR *descr, WORD scrollReq, WORD pos )
1855 if (descr->style & LBS_MULTICOLUMN) return 0;
1859 LISTBOX_SetTopItem( descr, descr->top_item - 1, TRUE );
1862 LISTBOX_SetTopItem( descr, descr->top_item + 1, TRUE );
1865 LISTBOX_SetTopItem( descr, descr->top_item -
1866 LISTBOX_GetCurrentPageSize( descr ), TRUE );
1869 LISTBOX_SetTopItem( descr, descr->top_item +
1870 LISTBOX_GetCurrentPageSize( descr ), TRUE );
1872 case SB_THUMBPOSITION:
1873 LISTBOX_SetTopItem( descr, pos, TRUE );
1876 info.cbSize = sizeof(info);
1877 info.fMask = SIF_TRACKPOS;
1878 GetScrollInfo( descr->self, SB_VERT, &info );
1879 LISTBOX_SetTopItem( descr, info.nTrackPos, TRUE );
1882 LISTBOX_SetTopItem( descr, 0, TRUE );
1885 LISTBOX_SetTopItem( descr, descr->nb_items, TRUE );
1892 /***********************************************************************
1893 * LISTBOX_HandleHScroll
1895 static LRESULT LISTBOX_HandleHScroll( LB_DESCR *descr, WORD scrollReq, WORD pos )
1900 if (descr->style & LBS_MULTICOLUMN)
1905 LISTBOX_SetTopItem( descr, descr->top_item-descr->page_size,
1909 LISTBOX_SetTopItem( descr, descr->top_item+descr->page_size,
1913 page = descr->width / descr->column_width;
1914 if (page < 1) page = 1;
1915 LISTBOX_SetTopItem( descr,
1916 descr->top_item - page * descr->page_size, TRUE );
1919 page = descr->width / descr->column_width;
1920 if (page < 1) page = 1;
1921 LISTBOX_SetTopItem( descr,
1922 descr->top_item + page * descr->page_size, TRUE );
1924 case SB_THUMBPOSITION:
1925 LISTBOX_SetTopItem( descr, pos*descr->page_size, TRUE );
1928 info.cbSize = sizeof(info);
1929 info.fMask = SIF_TRACKPOS;
1930 GetScrollInfo( descr->self, SB_VERT, &info );
1931 LISTBOX_SetTopItem( descr, info.nTrackPos*descr->page_size,
1935 LISTBOX_SetTopItem( descr, 0, TRUE );
1938 LISTBOX_SetTopItem( descr, descr->nb_items, TRUE );
1942 else if (descr->horz_extent)
1947 LISTBOX_SetHorizontalPos( descr, descr->horz_pos - 1 );
1950 LISTBOX_SetHorizontalPos( descr, descr->horz_pos + 1 );
1953 LISTBOX_SetHorizontalPos( descr,
1954 descr->horz_pos - descr->width );
1957 LISTBOX_SetHorizontalPos( descr,
1958 descr->horz_pos + descr->width );
1960 case SB_THUMBPOSITION:
1961 LISTBOX_SetHorizontalPos( descr, pos );
1964 info.cbSize = sizeof(info);
1965 info.fMask = SIF_TRACKPOS;
1966 GetScrollInfo( descr->self, SB_HORZ, &info );
1967 LISTBOX_SetHorizontalPos( descr, info.nTrackPos );
1970 LISTBOX_SetHorizontalPos( descr, 0 );
1973 LISTBOX_SetHorizontalPos( descr,
1974 descr->horz_extent - descr->width );
1981 static LRESULT LISTBOX_HandleMouseWheel(LB_DESCR *descr, SHORT delta )
1983 short gcWheelDelta = 0;
1984 UINT pulScrollLines = 3;
1986 SystemParametersInfoW(SPI_GETWHEELSCROLLLINES,0, &pulScrollLines, 0);
1988 gcWheelDelta -= delta;
1990 if (abs(gcWheelDelta) >= WHEEL_DELTA && pulScrollLines)
1992 int cLineScroll = (int) min((UINT) descr->page_size, pulScrollLines);
1993 cLineScroll *= (gcWheelDelta / WHEEL_DELTA);
1994 LISTBOX_SetTopItem( descr, descr->top_item + cLineScroll, TRUE );
1999 /***********************************************************************
2000 * LISTBOX_HandleLButtonDown
2002 static LRESULT LISTBOX_HandleLButtonDown( LB_DESCR *descr, DWORD keys, INT x, INT y )
2004 INT index = LISTBOX_GetItemFromPoint( descr, x, y );
2005 TRACE("[%p]: lbuttondown %d,%d item %d\n", descr->self, x, y, index );
2006 if (!descr->caret_on && (descr->in_focus)) return 0;
2008 if (!descr->in_focus)
2010 if( !descr->lphc ) SetFocus( descr->self );
2011 else SetFocus( (descr->lphc->hWndEdit) ? descr->lphc->hWndEdit : descr->lphc->self );
2014 if (index == -1) return 0;
2016 if (descr->style & (LBS_EXTENDEDSEL | LBS_MULTIPLESEL))
2018 /* we should perhaps make sure that all items are deselected
2019 FIXME: needed for !LBS_EXTENDEDSEL, too ?
2020 if (!(keys & (MK_SHIFT|MK_CONTROL)))
2021 LISTBOX_SetSelection( descr, -1, FALSE, FALSE);
2024 if (!(keys & MK_SHIFT)) descr->anchor_item = index;
2025 if (keys & MK_CONTROL)
2027 LISTBOX_SetCaretIndex( descr, index, FALSE );
2028 LISTBOX_SetSelection( descr, index,
2029 !descr->items[index].selected,
2030 (descr->style & LBS_NOTIFY) != 0);
2034 LISTBOX_MoveCaret( descr, index, FALSE );
2036 if (descr->style & LBS_EXTENDEDSEL)
2038 LISTBOX_SetSelection( descr, index,
2039 descr->items[index].selected,
2040 (descr->style & LBS_NOTIFY) != 0 );
2044 LISTBOX_SetSelection( descr, index,
2045 !descr->items[index].selected,
2046 (descr->style & LBS_NOTIFY) != 0 );
2052 descr->anchor_item = index;
2053 LISTBOX_MoveCaret( descr, index, FALSE );
2054 LISTBOX_SetSelection( descr, index,
2055 TRUE, (descr->style & LBS_NOTIFY) != 0 );
2058 descr->captured = TRUE;
2059 SetCapture( descr->self );
2063 if (descr->style & LBS_NOTIFY )
2064 SendMessageW( descr->owner, WM_LBTRACKPOINT, index,
2065 MAKELPARAM( x, y ) );
2066 if (GetWindowLongW( descr->self, GWL_EXSTYLE ) & WS_EX_DRAGDETECT)
2073 if (DragDetect( descr->self, pt ))
2074 SendMessageW( descr->owner, WM_BEGINDRAG, 0, 0 );
2081 /*************************************************************************
2082 * LISTBOX_HandleLButtonDownCombo [Internal]
2084 * Process LButtonDown message for the ComboListBox
2087 * pWnd [I] The windows internal structure
2088 * pDescr [I] The ListBox internal structure
2089 * keys [I] Key Flag (WM_LBUTTONDOWN doc for more info)
2090 * x [I] X Mouse Coordinate
2091 * y [I] Y Mouse Coordinate
2094 * 0 since we are processing the WM_LBUTTONDOWN Message
2097 * This function is only to be used when a ListBox is a ComboListBox
2100 static LRESULT LISTBOX_HandleLButtonDownCombo( LB_DESCR *descr, UINT msg, DWORD keys, INT x, INT y)
2102 RECT clientRect, screenRect;
2108 GetClientRect(descr->self, &clientRect);
2110 if(PtInRect(&clientRect, mousePos))
2112 /* MousePos is in client, resume normal processing */
2113 if (msg == WM_LBUTTONDOWN)
2115 descr->lphc->droppedIndex = descr->nb_items ? descr->selected_item : -1;
2116 return LISTBOX_HandleLButtonDown( descr, keys, x, y);
2118 else if (descr->style & LBS_NOTIFY)
2119 SEND_NOTIFICATION( descr, LBN_DBLCLK );
2123 POINT screenMousePos;
2124 HWND hWndOldCapture;
2126 /* Check the Non-Client Area */
2127 screenMousePos = mousePos;
2128 hWndOldCapture = GetCapture();
2130 GetWindowRect(descr->self, &screenRect);
2131 ClientToScreen(descr->self, &screenMousePos);
2133 if(!PtInRect(&screenRect, screenMousePos))
2135 LISTBOX_SetCaretIndex( descr, descr->lphc->droppedIndex, FALSE );
2136 LISTBOX_SetSelection( descr, descr->lphc->droppedIndex, FALSE, FALSE );
2137 COMBO_FlipListbox( descr->lphc, FALSE, FALSE );
2141 /* Check to see the NC is a scrollbar */
2143 LONG style = GetWindowLongW( descr->self, GWL_STYLE );
2144 /* Check Vertical scroll bar */
2145 if (style & WS_VSCROLL)
2147 clientRect.right += GetSystemMetrics(SM_CXVSCROLL);
2148 if (PtInRect( &clientRect, mousePos ))
2149 nHitTestType = HTVSCROLL;
2151 /* Check horizontal scroll bar */
2152 if (style & WS_HSCROLL)
2154 clientRect.bottom += GetSystemMetrics(SM_CYHSCROLL);
2155 if (PtInRect( &clientRect, mousePos ))
2156 nHitTestType = HTHSCROLL;
2158 /* Windows sends this message when a scrollbar is clicked
2161 if(nHitTestType != 0)
2163 SendMessageW(descr->self, WM_NCLBUTTONDOWN, nHitTestType,
2164 MAKELONG(screenMousePos.x, screenMousePos.y));
2166 /* Resume the Capture after scrolling is complete
2168 if(hWndOldCapture != 0)
2169 SetCapture(hWndOldCapture);
2175 /***********************************************************************
2176 * LISTBOX_HandleLButtonUp
2178 static LRESULT LISTBOX_HandleLButtonUp( LB_DESCR *descr )
2180 if (LISTBOX_Timer != LB_TIMER_NONE)
2181 KillSystemTimer( descr->self, LB_TIMER_ID );
2182 LISTBOX_Timer = LB_TIMER_NONE;
2183 if (descr->captured)
2185 descr->captured = FALSE;
2186 if (GetCapture() == descr->self) ReleaseCapture();
2187 if ((descr->style & LBS_NOTIFY) && descr->nb_items)
2188 SEND_NOTIFICATION( descr, LBN_SELCHANGE );
2194 /***********************************************************************
2195 * LISTBOX_HandleTimer
2197 * Handle scrolling upon a timer event.
2198 * Return TRUE if scrolling should continue.
2200 static LRESULT LISTBOX_HandleTimer( LB_DESCR *descr, INT index, TIMER_DIRECTION dir )
2205 if (descr->top_item) index = descr->top_item - 1;
2209 if (descr->top_item) index -= descr->page_size;
2212 index = descr->top_item + LISTBOX_GetCurrentPageSize( descr );
2213 if (index == descr->focus_item) index++;
2214 if (index >= descr->nb_items) index = descr->nb_items - 1;
2216 case LB_TIMER_RIGHT:
2217 if (index + descr->page_size < descr->nb_items)
2218 index += descr->page_size;
2223 if (index == descr->focus_item) return FALSE;
2224 LISTBOX_MoveCaret( descr, index, FALSE );
2229 /***********************************************************************
2230 * LISTBOX_HandleSystemTimer
2232 * WM_SYSTIMER handler.
2234 static LRESULT LISTBOX_HandleSystemTimer( LB_DESCR *descr )
2236 if (!LISTBOX_HandleTimer( descr, descr->focus_item, LISTBOX_Timer ))
2238 KillSystemTimer( descr->self, LB_TIMER_ID );
2239 LISTBOX_Timer = LB_TIMER_NONE;
2245 /***********************************************************************
2246 * LISTBOX_HandleMouseMove
2248 * WM_MOUSEMOVE handler.
2250 static void LISTBOX_HandleMouseMove( LB_DESCR *descr,
2254 TIMER_DIRECTION dir = LB_TIMER_NONE;
2256 if (!descr->captured) return;
2258 if (descr->style & LBS_MULTICOLUMN)
2261 else if (y >= descr->item_height * descr->page_size)
2262 y = descr->item_height * descr->page_size - 1;
2266 dir = LB_TIMER_LEFT;
2269 else if (x >= descr->width)
2271 dir = LB_TIMER_RIGHT;
2272 x = descr->width - 1;
2277 if (y < 0) dir = LB_TIMER_UP; /* above */
2278 else if (y >= descr->height) dir = LB_TIMER_DOWN; /* below */
2281 index = LISTBOX_GetItemFromPoint( descr, x, y );
2282 if (index == -1) index = descr->focus_item;
2283 if (!LISTBOX_HandleTimer( descr, index, dir )) dir = LB_TIMER_NONE;
2285 /* Start/stop the system timer */
2287 if (dir != LB_TIMER_NONE)
2288 SetSystemTimer( descr->self, LB_TIMER_ID, LB_SCROLL_TIMEOUT, NULL);
2289 else if (LISTBOX_Timer != LB_TIMER_NONE)
2290 KillSystemTimer( descr->self, LB_TIMER_ID );
2291 LISTBOX_Timer = dir;
2295 /***********************************************************************
2296 * LISTBOX_HandleKeyDown
2298 static LRESULT LISTBOX_HandleKeyDown( LB_DESCR *descr, DWORD key )
2301 BOOL bForceSelection = TRUE; /* select item pointed to by focus_item */
2302 if ((IS_MULTISELECT(descr)) || (descr->selected_item == descr->focus_item))
2303 bForceSelection = FALSE; /* only for single select list */
2305 if (descr->style & LBS_WANTKEYBOARDINPUT)
2307 caret = SendMessageW( descr->owner, WM_VKEYTOITEM,
2308 MAKEWPARAM(LOWORD(key), descr->focus_item),
2309 (LPARAM)descr->self );
2310 if (caret == -2) return 0;
2312 if (caret == -1) switch(key)
2315 if (descr->style & LBS_MULTICOLUMN)
2317 bForceSelection = FALSE;
2318 if (descr->focus_item >= descr->page_size)
2319 caret = descr->focus_item - descr->page_size;
2324 caret = descr->focus_item - 1;
2325 if (caret < 0) caret = 0;
2328 if (descr->style & LBS_MULTICOLUMN)
2330 bForceSelection = FALSE;
2331 if (descr->focus_item + descr->page_size < descr->nb_items)
2332 caret = descr->focus_item + descr->page_size;
2337 caret = descr->focus_item + 1;
2338 if (caret >= descr->nb_items) caret = descr->nb_items - 1;
2342 if (descr->style & LBS_MULTICOLUMN)
2344 INT page = descr->width / descr->column_width;
2345 if (page < 1) page = 1;
2346 caret = descr->focus_item - (page * descr->page_size) + 1;
2348 else caret = descr->focus_item-LISTBOX_GetCurrentPageSize(descr) + 1;
2349 if (caret < 0) caret = 0;
2352 if (descr->style & LBS_MULTICOLUMN)
2354 INT page = descr->width / descr->column_width;
2355 if (page < 1) page = 1;
2356 caret = descr->focus_item + (page * descr->page_size) - 1;
2358 else caret = descr->focus_item + LISTBOX_GetCurrentPageSize(descr) - 1;
2359 if (caret >= descr->nb_items) caret = descr->nb_items - 1;
2365 caret = descr->nb_items - 1;
2368 if (descr->style & LBS_EXTENDEDSEL) caret = descr->focus_item;
2369 else if (descr->style & LBS_MULTIPLESEL)
2371 LISTBOX_SetSelection( descr, descr->focus_item,
2372 !descr->items[descr->focus_item].selected,
2373 (descr->style & LBS_NOTIFY) != 0 );
2377 bForceSelection = FALSE;
2379 if (bForceSelection) /* focused item is used instead of key */
2380 caret = descr->focus_item;
2383 if (((descr->style & LBS_EXTENDEDSEL) &&
2384 !(GetKeyState( VK_SHIFT ) & 0x8000)) ||
2385 !IS_MULTISELECT(descr))
2386 descr->anchor_item = caret;
2387 LISTBOX_MoveCaret( descr, caret, TRUE );
2389 if (descr->style & LBS_MULTIPLESEL)
2390 descr->selected_item = caret;
2392 LISTBOX_SetSelection( descr, caret, TRUE, FALSE);
2393 if (descr->style & LBS_NOTIFY)
2397 /* make sure that combo parent doesn't hide us */
2398 descr->lphc->wState |= CBF_NOROLLUP;
2400 if (descr->nb_items) SEND_NOTIFICATION( descr, LBN_SELCHANGE );
2407 /***********************************************************************
2408 * LISTBOX_HandleChar
2410 static LRESULT LISTBOX_HandleChar( LB_DESCR *descr, WCHAR charW )
2418 if (descr->style & LBS_WANTKEYBOARDINPUT)
2420 caret = SendMessageW( descr->owner, WM_CHARTOITEM,
2421 MAKEWPARAM(charW, descr->focus_item),
2422 (LPARAM)descr->self );
2423 if (caret == -2) return 0;
2426 caret = LISTBOX_FindString( descr, descr->focus_item, str, FALSE);
2429 if ((!IS_MULTISELECT(descr)) && descr->selected_item == -1)
2430 LISTBOX_SetSelection( descr, caret, TRUE, FALSE);
2431 LISTBOX_MoveCaret( descr, caret, TRUE );
2432 if ((descr->style & LBS_NOTIFY) && descr->nb_items)
2433 SEND_NOTIFICATION( descr, LBN_SELCHANGE );
2439 /***********************************************************************
2442 static BOOL LISTBOX_Create( HWND hwnd, LPHEADCOMBO lphc )
2445 MEASUREITEMSTRUCT mis;
2448 if (!(descr = HeapAlloc( GetProcessHeap(), 0, sizeof(*descr) )))
2451 GetClientRect( hwnd, &rect );
2453 descr->owner = GetParent( descr->self );
2454 descr->style = GetWindowLongW( descr->self, GWL_STYLE );
2455 descr->width = rect.right - rect.left;
2456 descr->height = rect.bottom - rect.top;
2457 descr->items = NULL;
2458 descr->nb_items = 0;
2459 descr->top_item = 0;
2460 descr->selected_item = -1;
2461 descr->focus_item = 0;
2462 descr->anchor_item = -1;
2463 descr->item_height = 1;
2464 descr->page_size = 1;
2465 descr->column_width = 150;
2466 descr->horz_extent = (descr->style & WS_HSCROLL) ? 1 : 0;
2467 descr->horz_pos = 0;
2470 descr->caret_on = lphc ? FALSE : TRUE;
2471 if (descr->style & LBS_NOSEL) descr->caret_on = FALSE;
2472 descr->in_focus = FALSE;
2473 descr->captured = FALSE;
2475 descr->locale = GetUserDefaultLCID();
2478 if (is_old_app(descr) && ( descr->style & ( WS_VSCROLL | WS_HSCROLL ) ) )
2480 /* Win95 document "List Box Differences" from MSDN:
2481 If a list box in a version 3.x application has either the
2482 WS_HSCROLL or WS_VSCROLL style, the list box receives both
2483 horizontal and vertical scroll bars.
2485 descr->style |= WS_VSCROLL | WS_HSCROLL;
2490 TRACE("[%p]: resetting owner %p -> %p\n", descr->self, descr->owner, lphc->self );
2491 descr->owner = lphc->self;
2494 SetWindowLongPtrW( descr->self, 0, (LONG_PTR)descr );
2496 /* if (wnd->dwExStyle & WS_EX_NOPARENTNOTIFY) descr->style &= ~LBS_NOTIFY;
2498 if (descr->style & LBS_EXTENDEDSEL) descr->style |= LBS_MULTIPLESEL;
2499 if (descr->style & LBS_MULTICOLUMN) descr->style &= ~LBS_OWNERDRAWVARIABLE;
2500 if (descr->style & LBS_OWNERDRAWVARIABLE) descr->style |= LBS_NOINTEGRALHEIGHT;
2501 descr->item_height = LISTBOX_SetFont( descr, 0 );
2503 if (descr->style & LBS_OWNERDRAWFIXED)
2505 if( descr->lphc && (descr->lphc->dwStyle & CBS_DROPDOWN))
2507 /* WinWord gets VERY unhappy if we send WM_MEASUREITEM from here */
2508 descr->item_height = lphc->fixedOwnerDrawHeight;
2512 UINT id = (UINT)GetWindowLongPtrW( descr->self, GWLP_ID );
2513 mis.CtlType = ODT_LISTBOX;
2518 mis.itemHeight = descr->item_height;
2519 SendMessageW( descr->owner, WM_MEASUREITEM, id, (LPARAM)&mis );
2520 descr->item_height = mis.itemHeight ? mis.itemHeight : 1;
2524 TRACE("owner: %p, style: %08x, width: %d, height: %d\n", descr->owner, descr->style, descr->width, descr->height);
2529 /***********************************************************************
2532 static BOOL LISTBOX_Destroy( LB_DESCR *descr )
2534 LISTBOX_ResetContent( descr );
2535 SetWindowLongPtrW( descr->self, 0, 0 );
2536 HeapFree( GetProcessHeap(), 0, descr );
2541 /***********************************************************************
2542 * ListBoxWndProc_common
2544 static LRESULT WINAPI ListBoxWndProc_common( HWND hwnd, UINT msg,
2545 WPARAM wParam, LPARAM lParam, BOOL unicode )
2547 LB_DESCR *descr = (LB_DESCR *)GetWindowLongPtrW( hwnd, 0 );
2548 LPHEADCOMBO lphc = 0;
2553 if (!IsWindow(hwnd)) return 0;
2555 if (msg == WM_CREATE)
2557 CREATESTRUCTW *lpcs = (CREATESTRUCTW *)lParam;
2558 if (lpcs->style & LBS_COMBOBOX) lphc = (LPHEADCOMBO)lpcs->lpCreateParams;
2559 if (!LISTBOX_Create( hwnd, lphc )) return -1;
2560 TRACE("creating wnd=%p descr=%lx\n", hwnd, GetWindowLongPtrW( hwnd, 0 ) );
2563 /* Ignore all other messages before we get a WM_CREATE */
2564 return unicode ? DefWindowProcW( hwnd, msg, wParam, lParam ) :
2565 DefWindowProcA( hwnd, msg, wParam, lParam );
2567 if (descr->style & LBS_COMBOBOX) lphc = descr->lphc;
2569 TRACE("[%p]: msg %s wp %08x lp %08lx\n",
2570 descr->self, SPY_GetMsgName(msg, descr->self), wParam, lParam );
2574 case LB_RESETCONTENT16:
2575 case LB_RESETCONTENT:
2576 LISTBOX_ResetContent( descr );
2577 LISTBOX_UpdateScroll( descr );
2578 InvalidateRect( descr->self, NULL, TRUE );
2581 case LB_ADDSTRING16:
2582 if (HAS_STRINGS(descr)) lParam = (LPARAM)MapSL(lParam);
2588 if(unicode || !HAS_STRINGS(descr))
2589 textW = (LPWSTR)lParam;
2592 LPSTR textA = (LPSTR)lParam;
2593 INT countW = MultiByteToWideChar(CP_ACP, 0, textA, -1, NULL, 0);
2594 if((textW = HeapAlloc(GetProcessHeap(), 0, countW * sizeof(WCHAR))))
2595 MultiByteToWideChar(CP_ACP, 0, textA, -1, textW, countW);
2597 wParam = LISTBOX_FindStringPos( descr, textW, FALSE );
2598 ret = LISTBOX_InsertString( descr, wParam, textW );
2599 if (!unicode && HAS_STRINGS(descr))
2600 HeapFree(GetProcessHeap(), 0, textW);
2604 case LB_INSERTSTRING16:
2605 if (HAS_STRINGS(descr)) lParam = (LPARAM)MapSL(lParam);
2606 wParam = (INT)(INT16)wParam;
2608 case LB_INSERTSTRING:
2612 if(unicode || !HAS_STRINGS(descr))
2613 textW = (LPWSTR)lParam;
2616 LPSTR textA = (LPSTR)lParam;
2617 INT countW = MultiByteToWideChar(CP_ACP, 0, textA, -1, NULL, 0);
2618 if((textW = HeapAlloc(GetProcessHeap(), 0, countW * sizeof(WCHAR))))
2619 MultiByteToWideChar(CP_ACP, 0, textA, -1, textW, countW);
2621 ret = LISTBOX_InsertString( descr, wParam, textW );
2622 if(!unicode && HAS_STRINGS(descr))
2623 HeapFree(GetProcessHeap(), 0, textW);
2628 if (HAS_STRINGS(descr)) lParam = (LPARAM)MapSL(lParam);
2634 if(unicode || !HAS_STRINGS(descr))
2635 textW = (LPWSTR)lParam;
2638 LPSTR textA = (LPSTR)lParam;
2639 INT countW = MultiByteToWideChar(CP_ACP, 0, textA, -1, NULL, 0);
2640 if((textW = HeapAlloc(GetProcessHeap(), 0, countW * sizeof(WCHAR))))
2641 MultiByteToWideChar(CP_ACP, 0, textA, -1, textW, countW);
2643 wParam = LISTBOX_FindFileStrPos( descr, textW );
2644 ret = LISTBOX_InsertString( descr, wParam, textW );
2645 if(!unicode && HAS_STRINGS(descr))
2646 HeapFree(GetProcessHeap(), 0, textW);
2650 case LB_DELETESTRING16:
2651 case LB_DELETESTRING:
2652 if (LISTBOX_RemoveItem( descr, wParam) != LB_ERR)
2653 return descr->nb_items;
2656 SetLastError(ERROR_INVALID_INDEX);
2660 case LB_GETITEMDATA16:
2661 case LB_GETITEMDATA:
2662 if (((INT)wParam < 0) || ((INT)wParam >= descr->nb_items))
2664 SetLastError(ERROR_INVALID_INDEX);
2667 return descr->items[wParam].data;
2669 case LB_SETITEMDATA16:
2670 case LB_SETITEMDATA:
2671 if (((INT)wParam < 0) || ((INT)wParam >= descr->nb_items))
2673 SetLastError(ERROR_INVALID_INDEX);
2676 descr->items[wParam].data = lParam;
2681 return descr->nb_items;
2684 lParam = (LPARAM)MapSL(lParam);
2687 return LISTBOX_GetText( descr, wParam, (LPWSTR)lParam, unicode );
2689 case LB_GETTEXTLEN16:
2692 if ((INT)wParam >= descr->nb_items || (INT)wParam < 0)
2694 SetLastError(ERROR_INVALID_INDEX);
2697 if (!HAS_STRINGS(descr)) return sizeof(DWORD);
2698 if (unicode) return strlenW( descr->items[wParam].str );
2699 return WideCharToMultiByte( CP_ACP, 0, descr->items[wParam].str,
2700 strlenW(descr->items[wParam].str), NULL, 0, NULL, NULL );
2702 case LB_GETCURSEL16:
2704 if (descr->nb_items == 0)
2706 if (!IS_MULTISELECT(descr))
2707 return descr->selected_item;
2708 if (descr->selected_item != -1)
2709 return descr->selected_item;
2710 return descr->focus_item;
2711 /* otherwise, if the user tries to move the selection with the */
2712 /* arrow keys, we will give the application something to choke on */
2713 case LB_GETTOPINDEX16:
2714 case LB_GETTOPINDEX:
2715 return descr->top_item;
2717 case LB_GETITEMHEIGHT16:
2718 case LB_GETITEMHEIGHT:
2719 return LISTBOX_GetItemHeight( descr, wParam );
2721 case LB_SETITEMHEIGHT16:
2722 lParam = LOWORD(lParam);
2724 case LB_SETITEMHEIGHT:
2725 return LISTBOX_SetItemHeight( descr, wParam, lParam, TRUE );
2727 case LB_ITEMFROMPOINT:
2732 pt.x = LOWORD(lParam);
2733 pt.y = HIWORD(lParam);
2736 rect.right = descr->width;
2737 rect.bottom = descr->height;
2739 return MAKELONG( LISTBOX_GetItemFromPoint(descr, pt.x, pt.y),
2740 !PtInRect( &rect, pt ) );
2743 case LB_SETCARETINDEX16:
2744 case LB_SETCARETINDEX:
2745 if ((!IS_MULTISELECT(descr)) && (descr->selected_item != -1)) return LB_ERR;
2746 if (LISTBOX_SetCaretIndex( descr, wParam, !lParam ) == LB_ERR)
2753 case LB_GETCARETINDEX16:
2754 case LB_GETCARETINDEX:
2755 return descr->focus_item;
2757 case LB_SETTOPINDEX16:
2758 case LB_SETTOPINDEX:
2759 return LISTBOX_SetTopItem( descr, wParam, TRUE );
2761 case LB_SETCOLUMNWIDTH16:
2762 case LB_SETCOLUMNWIDTH:
2763 return LISTBOX_SetColumnWidth( descr, wParam );
2765 case LB_GETITEMRECT16:
2768 RECT16 *r16 = MapSL(lParam);
2769 ret = LISTBOX_GetItemRect( descr, (INT16)wParam, &rect );
2770 r16->left = rect.left;
2771 r16->top = rect.top;
2772 r16->right = rect.right;
2773 r16->bottom = rect.bottom;
2777 case LB_GETITEMRECT:
2778 return LISTBOX_GetItemRect( descr, wParam, (RECT *)lParam );
2780 case LB_FINDSTRING16:
2781 wParam = (INT)(INT16)wParam;
2782 if (HAS_STRINGS(descr)) lParam = (LPARAM)MapSL(lParam);
2788 if(unicode || !HAS_STRINGS(descr))
2789 textW = (LPWSTR)lParam;
2792 LPSTR textA = (LPSTR)lParam;
2793 INT countW = MultiByteToWideChar(CP_ACP, 0, textA, -1, NULL, 0);
2794 if((textW = HeapAlloc(GetProcessHeap(), 0, countW * sizeof(WCHAR))))
2795 MultiByteToWideChar(CP_ACP, 0, textA, -1, textW, countW);
2797 ret = LISTBOX_FindString( descr, wParam, textW, FALSE );
2798 if(!unicode && HAS_STRINGS(descr))
2799 HeapFree(GetProcessHeap(), 0, textW);
2803 case LB_FINDSTRINGEXACT16:
2804 wParam = (INT)(INT16)wParam;
2805 if (HAS_STRINGS(descr)) lParam = (LPARAM)MapSL(lParam);
2807 case LB_FINDSTRINGEXACT:
2811 if(unicode || !HAS_STRINGS(descr))
2812 textW = (LPWSTR)lParam;
2815 LPSTR textA = (LPSTR)lParam;
2816 INT countW = MultiByteToWideChar(CP_ACP, 0, textA, -1, NULL, 0);
2817 if((textW = HeapAlloc(GetProcessHeap(), 0, countW * sizeof(WCHAR))))
2818 MultiByteToWideChar(CP_ACP, 0, textA, -1, textW, countW);
2820 ret = LISTBOX_FindString( descr, wParam, textW, TRUE );
2821 if(!unicode && HAS_STRINGS(descr))
2822 HeapFree(GetProcessHeap(), 0, textW);
2826 case LB_SELECTSTRING16:
2827 wParam = (INT)(INT16)wParam;
2828 if (HAS_STRINGS(descr)) lParam = (LPARAM)MapSL(lParam);
2830 case LB_SELECTSTRING:
2835 if(HAS_STRINGS(descr))
2836 TRACE("LB_SELECTSTRING: %s\n", unicode ? debugstr_w((LPWSTR)lParam) :
2837 debugstr_a((LPSTR)lParam));
2838 if(unicode || !HAS_STRINGS(descr))
2839 textW = (LPWSTR)lParam;
2842 LPSTR textA = (LPSTR)lParam;
2843 INT countW = MultiByteToWideChar(CP_ACP, 0, textA, -1, NULL, 0);
2844 if((textW = HeapAlloc(GetProcessHeap(), 0, countW * sizeof(WCHAR))))
2845 MultiByteToWideChar(CP_ACP, 0, textA, -1, textW, countW);
2847 index = LISTBOX_FindString( descr, wParam, textW, FALSE );
2848 if(!unicode && HAS_STRINGS(descr))
2849 HeapFree(GetProcessHeap(), 0, textW);
2850 if (index != LB_ERR)
2852 LISTBOX_MoveCaret( descr, index, TRUE );
2853 LISTBOX_SetSelection( descr, index, TRUE, FALSE );
2859 wParam = (INT)(INT16)wParam;
2862 if (((INT)wParam < 0) || ((INT)wParam >= descr->nb_items))
2864 return descr->items[wParam].selected;
2867 lParam = (INT)(INT16)lParam;
2870 return LISTBOX_SetSelection( descr, lParam, wParam, FALSE );
2872 case LB_SETCURSEL16:
2873 wParam = (INT)(INT16)wParam;
2876 if (IS_MULTISELECT(descr)) return LB_ERR;
2877 LISTBOX_SetCaretIndex( descr, wParam, TRUE );
2878 ret = LISTBOX_SetSelection( descr, wParam, TRUE, FALSE );
2879 if (lphc && ret != LB_ERR) ret = descr->selected_item;
2882 case LB_GETSELCOUNT16:
2883 case LB_GETSELCOUNT:
2884 return LISTBOX_GetSelCount( descr );
2886 case LB_GETSELITEMS16:
2887 return LISTBOX_GetSelItems16( descr, wParam, (LPINT16)MapSL(lParam) );
2889 case LB_GETSELITEMS:
2890 return LISTBOX_GetSelItems( descr, wParam, (LPINT)lParam );
2892 case LB_SELITEMRANGE16:
2893 case LB_SELITEMRANGE:
2894 if (LOWORD(lParam) <= HIWORD(lParam))
2895 return LISTBOX_SelectItemRange( descr, LOWORD(lParam),
2896 HIWORD(lParam), wParam );
2898 return LISTBOX_SelectItemRange( descr, HIWORD(lParam),
2899 LOWORD(lParam), wParam );
2901 case LB_SELITEMRANGEEX16:
2902 case LB_SELITEMRANGEEX:
2903 if ((INT)lParam >= (INT)wParam)
2904 return LISTBOX_SelectItemRange( descr, wParam, lParam, TRUE );
2906 return LISTBOX_SelectItemRange( descr, lParam, wParam, FALSE);
2908 case LB_GETHORIZONTALEXTENT16:
2909 case LB_GETHORIZONTALEXTENT:
2910 return descr->horz_extent;
2912 case LB_SETHORIZONTALEXTENT16:
2913 case LB_SETHORIZONTALEXTENT:
2914 return LISTBOX_SetHorizontalExtent( descr, wParam );
2916 case LB_GETANCHORINDEX16:
2917 case LB_GETANCHORINDEX:
2918 return descr->anchor_item;
2920 case LB_SETANCHORINDEX16:
2921 wParam = (INT)(INT16)wParam;
2923 case LB_SETANCHORINDEX:
2924 if (((INT)wParam < -1) || ((INT)wParam >= descr->nb_items))
2926 SetLastError(ERROR_INVALID_INDEX);
2929 descr->anchor_item = (INT)wParam;
2933 /* according to Win16 docs, DDL_DRIVES should make DDL_EXCLUSIVE
2934 * be set automatically (this is different in Win32) */
2935 if (wParam & DDL_DRIVES) wParam |= DDL_EXCLUSIVE;
2936 lParam = (LPARAM)MapSL(lParam);
2943 textW = (LPWSTR)lParam;
2946 LPSTR textA = (LPSTR)lParam;
2947 INT countW = MultiByteToWideChar(CP_ACP, 0, textA, -1, NULL, 0);
2948 if((textW = HeapAlloc(GetProcessHeap(), 0, countW * sizeof(WCHAR))))
2949 MultiByteToWideChar(CP_ACP, 0, textA, -1, textW, countW);
2951 ret = LISTBOX_Directory( descr, wParam, textW, msg == LB_DIR );
2953 HeapFree(GetProcessHeap(), 0, textW);
2958 return descr->locale;
2963 if (!IsValidLocale((LCID)wParam, LCID_INSTALLED))
2965 ret = descr->locale;
2966 descr->locale = (LCID)wParam;
2970 case LB_INITSTORAGE:
2971 return LISTBOX_InitStorage( descr, wParam );
2974 return LISTBOX_SetCount( descr, (INT)wParam );
2976 case LB_SETTABSTOPS16:
2977 return LISTBOX_SetTabStops( descr, (INT)(INT16)wParam, MapSL(lParam), TRUE );
2979 case LB_SETTABSTOPS:
2980 return LISTBOX_SetTabStops( descr, wParam, (LPINT)lParam, FALSE );
2984 if (descr->caret_on)
2986 descr->caret_on = TRUE;
2987 if ((descr->focus_item != -1) && (descr->in_focus))
2988 LISTBOX_RepaintItem( descr, descr->focus_item, ODA_FOCUS );
2993 if (!descr->caret_on)
2995 descr->caret_on = FALSE;
2996 if ((descr->focus_item != -1) && (descr->in_focus))
2997 LISTBOX_RepaintItem( descr, descr->focus_item, ODA_FOCUS );
3000 case LB_GETLISTBOXINFO:
3001 FIXME("LB_GETLISTBOXINFO: stub!\n");
3005 return LISTBOX_Destroy( descr );
3008 InvalidateRect( descr->self, NULL, TRUE );
3012 LISTBOX_SetRedraw( descr, wParam != 0 );
3016 return DLGC_WANTARROWS | DLGC_WANTCHARS;
3018 case WM_PRINTCLIENT:
3022 HDC hdc = ( wParam ) ? ((HDC)wParam) : BeginPaint( descr->self, &ps );
3023 ret = LISTBOX_Paint( descr, hdc );
3024 if( !wParam ) EndPaint( descr->self, &ps );
3028 LISTBOX_UpdateSize( descr );
3031 return (LRESULT)descr->font;
3033 LISTBOX_SetFont( descr, (HFONT)wParam );
3034 if (lParam) InvalidateRect( descr->self, 0, TRUE );
3037 descr->in_focus = TRUE;
3038 descr->caret_on = TRUE;
3039 if (descr->focus_item != -1)
3040 LISTBOX_RepaintItem( descr, descr->focus_item, ODA_FOCUS );
3041 SEND_NOTIFICATION( descr, LBN_SETFOCUS );
3044 descr->in_focus = FALSE;
3045 if ((descr->focus_item != -1) && descr->caret_on)
3046 LISTBOX_RepaintItem( descr, descr->focus_item, ODA_FOCUS );
3047 SEND_NOTIFICATION( descr, LBN_KILLFOCUS );
3050 return LISTBOX_HandleHScroll( descr, LOWORD(wParam), HIWORD(wParam) );
3052 return LISTBOX_HandleVScroll( descr, LOWORD(wParam), HIWORD(wParam) );
3054 if (wParam & (MK_SHIFT | MK_CONTROL))
3055 return DefWindowProcW( descr->self, msg, wParam, lParam );
3056 return LISTBOX_HandleMouseWheel( descr, (SHORT)HIWORD(wParam) );
3057 case WM_LBUTTONDOWN:
3059 return LISTBOX_HandleLButtonDownCombo(descr, msg, wParam,
3060 (INT16)LOWORD(lParam),
3061 (INT16)HIWORD(lParam) );
3062 return LISTBOX_HandleLButtonDown( descr, wParam,
3063 (INT16)LOWORD(lParam),
3064 (INT16)HIWORD(lParam) );
3065 case WM_LBUTTONDBLCLK:
3067 return LISTBOX_HandleLButtonDownCombo(descr, msg, wParam,
3068 (INT16)LOWORD(lParam),
3069 (INT16)HIWORD(lParam) );
3070 if (descr->style & LBS_NOTIFY)
3071 SEND_NOTIFICATION( descr, LBN_DBLCLK );
3074 if ( lphc && ((lphc->dwStyle & CBS_DROPDOWNLIST) != CBS_SIMPLE) )
3076 BOOL captured = descr->captured;
3080 mousePos.x = (INT16)LOWORD(lParam);
3081 mousePos.y = (INT16)HIWORD(lParam);
3084 * If we are in a dropdown combobox, we simulate that
3085 * the mouse is captured to show the tracking of the item.
3087 if (GetClientRect(descr->self, &clientRect) && PtInRect( &clientRect, mousePos ))
3088 descr->captured = TRUE;
3090 LISTBOX_HandleMouseMove( descr, mousePos.x, mousePos.y);
3092 descr->captured = captured;
3094 else if (GetCapture() == descr->self)
3096 LISTBOX_HandleMouseMove( descr, (INT16)LOWORD(lParam),
3097 (INT16)HIWORD(lParam) );
3107 * If the mouse button "up" is not in the listbox,
3108 * we make sure there is no selection by re-selecting the
3109 * item that was selected when the listbox was made visible.
3111 mousePos.x = (INT16)LOWORD(lParam);
3112 mousePos.y = (INT16)HIWORD(lParam);
3114 GetClientRect(descr->self, &clientRect);
3117 * When the user clicks outside the combobox and the focus
3118 * is lost, the owning combobox will send a fake buttonup with
3119 * 0xFFFFFFF as the mouse location, we must also revert the
3120 * selection to the original selection.
3122 if ( (lParam == (LPARAM)-1) || (!PtInRect( &clientRect, mousePos )) )
3123 LISTBOX_MoveCaret( descr, lphc->droppedIndex, FALSE );
3125 return LISTBOX_HandleLButtonUp( descr );
3127 if( lphc && (lphc->dwStyle & CBS_DROPDOWNLIST) != CBS_SIMPLE )
3129 /* for some reason Windows makes it possible to
3130 * show/hide ComboLBox by sending it WM_KEYDOWNs */
3132 if( (!(lphc->wState & CBF_EUI) && wParam == VK_F4) ||
3133 ( (lphc->wState & CBF_EUI) && !(lphc->wState & CBF_DROPPED)
3134 && (wParam == VK_DOWN || wParam == VK_UP)) )
3136 COMBO_FlipListbox( lphc, FALSE, FALSE );
3140 return LISTBOX_HandleKeyDown( descr, wParam );
3145 charW = (WCHAR)wParam;
3148 CHAR charA = (CHAR)wParam;
3149 MultiByteToWideChar(CP_ACP, 0, &charA, 1, &charW, 1);
3151 return LISTBOX_HandleChar( descr, charW );
3154 return LISTBOX_HandleSystemTimer( descr );
3156 if ((IS_OWNERDRAW(descr)) && !(descr->style & LBS_DISPLAYCHANGED))
3159 HBRUSH hbrush = (HBRUSH)SendMessageW( descr->owner, WM_CTLCOLORLISTBOX,
3160 wParam, (LPARAM)descr->self );
3161 TRACE("hbrush = %p\n", hbrush);
3163 hbrush = GetSysColorBrush(COLOR_WINDOW);
3166 GetClientRect(descr->self, &rect);
3167 FillRect((HDC)wParam, &rect, hbrush);
3172 if( lphc ) return 0;
3173 return unicode ? SendMessageW( descr->owner, msg, wParam, lParam ) :
3174 SendMessageA( descr->owner, msg, wParam, lParam );
3177 if( lphc && (lphc->dwStyle & CBS_DROPDOWNLIST) != CBS_SIMPLE )
3186 if ((msg >= WM_USER) && (msg < 0xc000))
3187 WARN("[%p]: unknown msg %04x wp %08x lp %08lx\n",
3188 hwnd, msg, wParam, lParam );
3191 return unicode ? DefWindowProcW( hwnd, msg, wParam, lParam ) :
3192 DefWindowProcA( hwnd, msg, wParam, lParam );
3195 /***********************************************************************
3198 static LRESULT WINAPI ListBoxWndProcA( HWND hwnd, UINT msg, WPARAM wParam, LPARAM lParam )
3200 return ListBoxWndProc_common( hwnd, msg, wParam, lParam, FALSE );
3203 /***********************************************************************
3206 static LRESULT WINAPI ListBoxWndProcW( HWND hwnd, UINT msg, WPARAM wParam, LPARAM lParam )
3208 return ListBoxWndProc_common( hwnd, msg, wParam, lParam, TRUE );