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DOSFS_ToDosFCBFormat: fail if extension longer than 3 characters.
[wine/gsoc-2012-control.git] / controls / listbox.c
blob6c697bb34aca05029e728870941cbbc846a5c5f3
1 /*
2 * Listbox controls
3 *
4 * Copyright 1996 Alexandre Julliard
5 */
6
7 #include <string.h>
8 #include <stdlib.h>
9 #include <stdio.h>
10 #include "windef.h"
11 #include "wingdi.h"
12 #include "wine/winuser16.h"
13 #include "wine/winbase16.h"
14 #include "winuser.h"
15 #include "winerror.h"
16 #include "drive.h"
17 #include "heap.h"
18 #include "spy.h"
19 #include "selectors.h"
20 #include "win.h"
21 #include "combo.h"
22 #include "debugtools.h"
23 #include "tweak.h"
24
25 DEFAULT_DEBUG_CHANNEL(listbox);
26 DECLARE_DEBUG_CHANNEL(combo);
27
28 /* Unimplemented yet:
29 * - LBS_NOSEL
30 * - LBS_USETABSTOPS
31 * - Unicode
32 * - Locale handling
33 */
34
35 /* Items array granularity */
36 #define LB_ARRAY_GRANULARITY 16
37
38 /* Scrolling timeout in ms */
39 #define LB_SCROLL_TIMEOUT 50
40
41 /* Listbox system timer id */
42 #define LB_TIMER_ID 2
43
44 /* Item structure */
45 typedef struct
46 {
47 LPSTR str; /* Item text */
48 BOOL selected; /* Is item selected? */
49 UINT height; /* Item height (only for OWNERDRAWVARIABLE) */
50 DWORD data; /* User data */
51 } LB_ITEMDATA;
52
53 /* Listbox structure */
54 typedef struct
55 {
56 HANDLE heap; /* Heap for this listbox */
57 HWND owner; /* Owner window to send notifications to */
58 UINT style; /* Window style */
59 INT width; /* Window width */
60 INT height; /* Window height */
61 LB_ITEMDATA *items; /* Array of items */
62 INT nb_items; /* Number of items */
63 INT top_item; /* Top visible item */
64 INT selected_item; /* Selected item */
65 INT focus_item; /* Item that has the focus */
66 INT anchor_item; /* Anchor item for extended selection */
67 INT item_height; /* Default item height */
68 INT page_size; /* Items per listbox page */
69 INT column_width; /* Column width for multi-column listboxes */
70 INT horz_extent; /* Horizontal extent (0 if no hscroll) */
71 INT horz_pos; /* Horizontal position */
72 INT nb_tabs; /* Number of tabs in array */
73 INT *tabs; /* Array of tabs */
74 BOOL caret_on; /* Is caret on? */
75 BOOL captured; /* Is mouse captured? */
76 HFONT font; /* Current font */
77 LCID locale; /* Current locale for string comparisons */
78 LPHEADCOMBO lphc; /* ComboLBox */
79 } LB_DESCR;
80
81
82 #define IS_OWNERDRAW(descr) \
83 ((descr)->style & (LBS_OWNERDRAWFIXED | LBS_OWNERDRAWVARIABLE))
84
85 #define HAS_STRINGS(descr) \
86 (!IS_OWNERDRAW(descr) || ((descr)->style & LBS_HASSTRINGS))
87
88
89 #define IS_MULTISELECT(descr) \
90 ((descr)->style & LBS_MULTIPLESEL || ((descr)->style & LBS_EXTENDEDSEL))
91
92 #define SEND_NOTIFICATION(wnd,descr,code) \
93 (SendMessageA( (descr)->owner, WM_COMMAND, \
94 MAKEWPARAM((((descr)->lphc)?ID_CB_LISTBOX:(wnd)->wIDmenu), (code) ), (wnd)->hwndSelf ))
95
96 #define ISWIN31 (LOWORD(GetVersion()) == 0x0a03)
97
98 /* Current timer status */
99 typedef enum
100 {
101 LB_TIMER_NONE,
102 LB_TIMER_UP,
103 LB_TIMER_LEFT,
104 LB_TIMER_DOWN,
105 LB_TIMER_RIGHT
106 } TIMER_DIRECTION;
107
108 static TIMER_DIRECTION LISTBOX_Timer = LB_TIMER_NONE;
109
110
111 /***********************************************************************
112 * LISTBOX_Dump
113 */
114 void LISTBOX_Dump( WND *wnd )
115 {
116 INT i;
117 LB_ITEMDATA *item;
118 LB_DESCR *descr = *(LB_DESCR **)wnd->wExtra;
119
120 TRACE( "Listbox:\n" );
121 TRACE( "hwnd=%04x descr=%08x heap=%08x items=%d top=%d\n",
122 wnd->hwndSelf, (UINT)descr, descr->heap, descr->nb_items,
123 descr->top_item );
124 for (i = 0, item = descr->items; i < descr->nb_items; i++, item++)
125 {
126 TRACE( "%4d: %-40s %d %08lx %3d\n",
127 i, item->str, item->selected, item->data, item->height );
128 }
129 }
130
131
132 /***********************************************************************
133 * LISTBOX_GetCurrentPageSize
134 *
135 * Return the current page size
136 */
137 static INT LISTBOX_GetCurrentPageSize( WND *wnd, LB_DESCR *descr )
138 {
139 INT i, height;
140 if (!(descr->style & LBS_OWNERDRAWVARIABLE)) return descr->page_size;
141 for (i = descr->top_item, height = 0; i < descr->nb_items; i++)
142 {
143 if ((height += descr->items[i].height) > descr->height) break;
144 }
145 if (i == descr->top_item) return 1;
146 else return i - descr->top_item;
147 }
148
149
150 /***********************************************************************
151 * LISTBOX_GetMaxTopIndex
152 *
153 * Return the maximum possible index for the top of the listbox.
154 */
155 static INT LISTBOX_GetMaxTopIndex( WND *wnd, LB_DESCR *descr )
156 {
157 INT max, page;
158
159 if (descr->style & LBS_OWNERDRAWVARIABLE)
160 {
161 page = descr->height;
162 for (max = descr->nb_items - 1; max >= 0; max--)
163 if ((page -= descr->items[max].height) < 0) break;
164 if (max < descr->nb_items - 1) max++;
165 }
166 else if (descr->style & LBS_MULTICOLUMN)
167 {
168 if ((page = descr->width / descr->column_width) < 1) page = 1;
169 max = (descr->nb_items + descr->page_size - 1) / descr->page_size;
170 max = (max - page) * descr->page_size;
171 }
172 else
173 {
174 max = descr->nb_items - descr->page_size;
175 }
176 if (max < 0) max = 0;
177 return max;
178 }
179
180
181 /***********************************************************************
182 * LISTBOX_UpdateScroll
183 *
184 * Update the scrollbars. Should be called whenever the content
185 * of the listbox changes.
186 */
187 static void LISTBOX_UpdateScroll( WND *wnd, LB_DESCR *descr )
188 {
189 SCROLLINFO info;
190
191 /* Check the listbox scroll bar flags individually before we call
192 SetScrollInfo otherwise when the listbox style is WS_HSCROLL and
193 no WS_VSCROLL, we end up with an uninitialized, visible horizontal
194 scroll bar when we do not need one.
195 if (!(descr->style & WS_VSCROLL)) return;
196 */
197
198 /* It is important that we check descr->style, and not wnd->dwStyle,
199 for WS_VSCROLL, as the former is exactly the one passed in
200 argument to CreateWindow.
201 In Windows (and from now on in Wine :) a listbox created
202 with such a style (no WS_SCROLL) does not update
203 the scrollbar with listbox-related data, thus letting
204 the programmer use it for his/her own purposes. */
205
206 if (descr->style & LBS_NOREDRAW) return;
207 info.cbSize = sizeof(info);
208
209 if (descr->style & LBS_MULTICOLUMN)
210 {
211 info.nMin = 0;
212 info.nMax = (descr->nb_items - 1) / descr->page_size;
213 info.nPos = descr->top_item / descr->page_size;
214 info.nPage = descr->width / descr->column_width;
215 if (info.nPage < 1) info.nPage = 1;
216 info.fMask = SIF_RANGE | SIF_POS | SIF_PAGE;
217 if (descr->style & LBS_DISABLENOSCROLL)
218 info.fMask |= SIF_DISABLENOSCROLL;
219 if (descr->style & WS_HSCROLL)
220 SetScrollInfo( wnd->hwndSelf, SB_HORZ, &info, TRUE );
221 info.nMax = 0;
222 info.fMask = SIF_RANGE;
223 if (descr->style & WS_VSCROLL)
224 SetScrollInfo( wnd->hwndSelf, SB_VERT, &info, TRUE );
225 }
226 else
227 {
228 info.nMin = 0;
229 info.nMax = descr->nb_items - 1;
230 info.nPos = descr->top_item;
231 info.nPage = LISTBOX_GetCurrentPageSize( wnd, descr );
232 info.fMask = SIF_RANGE | SIF_POS | SIF_PAGE;
233 if (descr->style & LBS_DISABLENOSCROLL)
234 info.fMask |= SIF_DISABLENOSCROLL;
235 if (descr->style & WS_VSCROLL)
236 SetScrollInfo( wnd->hwndSelf, SB_VERT, &info, TRUE );
237
238 if (descr->horz_extent)
239 {
240 info.nMin = 0;
241 info.nMax = descr->horz_extent - 1;
242 info.nPos = descr->horz_pos;
243 info.nPage = descr->width;
244 info.fMask = SIF_RANGE | SIF_POS | SIF_PAGE;
245 if (descr->style & LBS_DISABLENOSCROLL)
246 info.fMask |= SIF_DISABLENOSCROLL;
247 if (descr->style & WS_HSCROLL)
248 SetScrollInfo( wnd->hwndSelf, SB_HORZ, &info, TRUE );
249
250 }
251 }
252 }
253
254
255 /***********************************************************************
256 * LISTBOX_SetTopItem
257 *
258 * Set the top item of the listbox, scrolling up or down if necessary.
259 */
260 static LRESULT LISTBOX_SetTopItem( WND *wnd, LB_DESCR *descr, INT index,
261 BOOL scroll )
262 {
263 INT max = LISTBOX_GetMaxTopIndex( wnd, descr );
264 if (index > max) index = max;
265 if (index < 0) index = 0;
266 if (descr->style & LBS_MULTICOLUMN) index -= index % descr->page_size;
267 if (descr->top_item == index) return LB_OKAY;
268 if (descr->style & LBS_MULTICOLUMN)
269 {
270 INT diff = (descr->top_item - index) / descr->page_size * descr->column_width;
271 if (scroll && (abs(diff) < descr->width))
272 ScrollWindowEx( wnd->hwndSelf, diff, 0, NULL, NULL, 0, NULL,
273 SW_INVALIDATE | SW_ERASE | SW_SCROLLCHILDREN );
274
275 else
276 scroll = FALSE;
277 }
278 else if (scroll)
279 {
280 INT diff;
281 if (descr->style & LBS_OWNERDRAWVARIABLE)
282 {
283 INT i;
284 diff = 0;
285 if (index > descr->top_item)
286 {
287 for (i = index - 1; i >= descr->top_item; i--)
288 diff -= descr->items[i].height;
289 }
290 else
291 {
292 for (i = index; i < descr->top_item; i++)
293 diff += descr->items[i].height;
294 }
295 }
296 else
297 diff = (descr->top_item - index) * descr->item_height;
298
299 if (abs(diff) < descr->height)
300 ScrollWindowEx( wnd->hwndSelf, 0, diff, NULL, NULL, 0, NULL,
301 SW_INVALIDATE | SW_ERASE | SW_SCROLLCHILDREN );
302 else
303 scroll = FALSE;
304 }
305 if (!scroll) InvalidateRect( wnd->hwndSelf, NULL, TRUE );
306 descr->top_item = index;
307 LISTBOX_UpdateScroll( wnd, descr );
308 return LB_OKAY;
309 }
310
311
312 /***********************************************************************
313 * LISTBOX_UpdatePage
314 *
315 * Update the page size. Should be called when the size of
316 * the client area or the item height changes.
317 */
318 static void LISTBOX_UpdatePage( WND *wnd, LB_DESCR *descr )
319 {
320 INT page_size;
321
322 if ((descr->item_height == 0) || (page_size = descr->height / descr->item_height) < 1)
323 page_size = 1;
324 if (page_size == descr->page_size) return;
325 descr->page_size = page_size;
326 if (descr->style & LBS_MULTICOLUMN)
327 InvalidateRect( wnd->hwndSelf, NULL, TRUE );
328 LISTBOX_SetTopItem( wnd, descr, descr->top_item, FALSE );
329 }
330
331
332 /***********************************************************************
333 * LISTBOX_UpdateSize
334 *
335 * Update the size of the listbox. Should be called when the size of
336 * the client area changes.
337 */
338 static void LISTBOX_UpdateSize( WND *wnd, LB_DESCR *descr )
339 {
340 RECT rect;
341
342 GetClientRect( wnd->hwndSelf, &rect );
343 descr->width = rect.right - rect.left;
344 descr->height = rect.bottom - rect.top;
345 if (!(descr->style & LBS_NOINTEGRALHEIGHT) && !IS_OWNERDRAW(descr))
346 {
347 if ((descr->height > descr->item_height) &&
348 (descr->height % descr->item_height))
349 {
350 TRACE("[%04x]: changing height %d -> %d\n",
351 wnd->hwndSelf, descr->height,
352 descr->height - descr->height%descr->item_height );
353 SetWindowPos( wnd->hwndSelf, 0, 0, 0,
354 wnd->rectWindow.right - wnd->rectWindow.left,
355 wnd->rectWindow.bottom - wnd->rectWindow.top -
356 (descr->height % descr->item_height),
357 SWP_NOZORDER | SWP_NOACTIVATE | SWP_NOMOVE );
358 return;
359 }
360 }
361 TRACE("[%04x]: new size = %d,%d\n",
362 wnd->hwndSelf, descr->width, descr->height );
363 LISTBOX_UpdatePage( wnd, descr );
364 LISTBOX_UpdateScroll( wnd, descr );
365 }
366
367
368 /***********************************************************************
369 * LISTBOX_GetItemRect
370 *
371 * Get the rectangle enclosing an item, in listbox client coordinates.
372 * Return 1 if the rectangle is (partially) visible, 0 if hidden, -1 on error.
373 */
374 static LRESULT LISTBOX_GetItemRect( WND *wnd, LB_DESCR *descr, INT index,
375 RECT *rect )
376 {
377 /* Index <= 0 is legal even on empty listboxes */
378 if (index && (index >= descr->nb_items)) return -1;
379 SetRect( rect, 0, 0, descr->width, descr->height );
380 if (descr->style & LBS_MULTICOLUMN)
381 {
382 INT col = (index / descr->page_size) -
383 (descr->top_item / descr->page_size);
384 rect->left += col * descr->column_width;
385 rect->right = rect->left + descr->column_width;
386 rect->top += (index % descr->page_size) * descr->item_height;
387 rect->bottom = rect->top + descr->item_height;
388 }
389 else if (descr->style & LBS_OWNERDRAWVARIABLE)
390 {
391 INT i;
392 rect->right += descr->horz_pos;
393 if ((index >= 0) && (index < descr->nb_items))
394 {
395 if (index < descr->top_item)
396 {
397 for (i = descr->top_item-1; i >= index; i--)
398 rect->top -= descr->items[i].height;
399 }
400 else
401 {
402 for (i = descr->top_item; i < index; i++)
403 rect->top += descr->items[i].height;
404 }
405 rect->bottom = rect->top + descr->items[index].height;
406
407 }
408 }
409 else
410 {
411 rect->top += (index - descr->top_item) * descr->item_height;
412 rect->bottom = rect->top + descr->item_height;
413 rect->right += descr->horz_pos;
414 }
415
416 return ((rect->left < descr->width) && (rect->right > 0) &&
417 (rect->top < descr->height) && (rect->bottom > 0));
418 }
419
420
421 /***********************************************************************
422 * LISTBOX_GetItemFromPoint
423 *
424 * Return the item nearest from point (x,y) (in client coordinates).
425 */
426 static INT LISTBOX_GetItemFromPoint( WND *wnd, LB_DESCR *descr,
427 INT x, INT y )
428 {
429 INT index = descr->top_item;
430
431 if (!descr->nb_items) return -1; /* No items */
432 if (descr->style & LBS_OWNERDRAWVARIABLE)
433 {
434 INT pos = 0;
435 if (y >= 0)
436 {
437 while (index < descr->nb_items)
438 {
439 if ((pos += descr->items[index].height) > y) break;
440 index++;
441 }
442 }
443 else
444 {
445 while (index > 0)
446 {
447 index--;
448 if ((pos -= descr->items[index].height) <= y) break;
449 }
450 }
451 }
452 else if (descr->style & LBS_MULTICOLUMN)
453 {
454 if (y >= descr->item_height * descr->page_size) return -1;
455 if (y >= 0) index += y / descr->item_height;
456 if (x >= 0) index += (x / descr->column_width) * descr->page_size;
457 else index -= (((x + 1) / descr->column_width) - 1) * descr->page_size;
458 }
459 else
460 {
461 index += (y / descr->item_height);
462 }
463 if (index < 0) return 0;
464 if (index >= descr->nb_items) return -1;
465 return index;
466 }
467
468
469 /***********************************************************************
470 * LISTBOX_PaintItem
471 *
472 * Paint an item.
473 */
474 static void LISTBOX_PaintItem( WND *wnd, LB_DESCR *descr, HDC hdc,
475 const RECT *rect, INT index, UINT action )
476 {
477 LB_ITEMDATA *item = NULL;
478 if (index < descr->nb_items) item = &descr->items[index];
479
480 if (IS_OWNERDRAW(descr))
481 {
482 DRAWITEMSTRUCT dis;
483 UINT id = (descr->lphc) ? ID_CB_LISTBOX : wnd->wIDmenu;
484
485 if (!item)
486 {
487 if (action == ODA_FOCUS)
488 DrawFocusRect( hdc, rect );
489 else
490 FIXME("called with an out of bounds index %d(%d) in owner draw, Not good.\n",index,descr->nb_items);
491 return;
492 }
493 dis.CtlType = ODT_LISTBOX;
494 dis.CtlID = id;
495 dis.hwndItem = wnd->hwndSelf;
496 dis.itemAction = action;
497 dis.hDC = hdc;
498 dis.itemID = index;
499 dis.itemState = 0;
500 if (item && item->selected) dis.itemState |= ODS_SELECTED;
501 if ((descr->focus_item == index) &&
502 (descr->caret_on) &&
503 (GetFocus() == wnd->hwndSelf)) dis.itemState |= ODS_FOCUS;
504 if (wnd->dwStyle & WS_DISABLED) dis.itemState |= ODS_DISABLED;
505 dis.itemData = item ? item->data : 0;
506 dis.rcItem = *rect;
507 TRACE("[%04x]: drawitem %d (%s) action=%02x "
508 "state=%02x rect=%d,%d-%d,%d\n",
509 wnd->hwndSelf, index, item ? item->str : "", action,
510 dis.itemState, rect->left, rect->top,
511 rect->right, rect->bottom );
512 SendMessageA(descr->owner, WM_DRAWITEM, id, (LPARAM)&dis);
513 }
514 else
515 {
516 COLORREF oldText = 0, oldBk = 0;
517
518 if (action == ODA_FOCUS)
519 {
520 DrawFocusRect( hdc, rect );
521 return;
522 }
523 if (item && item->selected)
524 {
525 oldBk = SetBkColor( hdc, GetSysColor( COLOR_HIGHLIGHT ) );
526 oldText = SetTextColor( hdc, GetSysColor(COLOR_HIGHLIGHTTEXT));
527 }
528
529 TRACE("[%04x]: painting %d (%s) action=%02x "
530 "rect=%d,%d-%d,%d\n",
531 wnd->hwndSelf, index, item ? item->str : "", action,
532 rect->left, rect->top, rect->right, rect->bottom );
533 if (!item)
534 ExtTextOutA( hdc, rect->left + 1, rect->top,
535 ETO_OPAQUE | ETO_CLIPPED, rect, NULL, 0, NULL );
536 else if (!(descr->style & LBS_USETABSTOPS))
537 ExtTextOutA( hdc, rect->left + 1, rect->top,
538 ETO_OPAQUE | ETO_CLIPPED, rect, item->str,
539 strlen(item->str), NULL );
540 else
541 {
542 /* Output empty string to paint background in the full width. */
543 ExtTextOutA( hdc, rect->left + 1, rect->top,
544 ETO_OPAQUE | ETO_CLIPPED, rect, NULL, 0, NULL );
545 TabbedTextOutA( hdc, rect->left + 1 , rect->top,
546 item->str, strlen(item->str),
547 descr->nb_tabs, descr->tabs, 0);
548 }
549 if (item && item->selected)
550 {
551 SetBkColor( hdc, oldBk );
552 SetTextColor( hdc, oldText );
553 }
554 if ((descr->focus_item == index) &&
555 (descr->caret_on) &&
556 (GetFocus() == wnd->hwndSelf)) DrawFocusRect( hdc, rect );
557 }
558 }
559
560
561 /***********************************************************************
562 * LISTBOX_SetRedraw
563 *
564 * Change the redraw flag.
565 */
566 static void LISTBOX_SetRedraw( WND *wnd, LB_DESCR *descr, BOOL on )
567 {
568 if (on)
569 {
570 if (!(descr->style & LBS_NOREDRAW)) return;
571 descr->style &= ~LBS_NOREDRAW;
572 LISTBOX_UpdateScroll( wnd, descr );
573 }
574 else descr->style |= LBS_NOREDRAW;
575 }
576
577
578 /***********************************************************************
579 * LISTBOX_RepaintItem
580 *
581 * Repaint a single item synchronously.
582 */
583 static void LISTBOX_RepaintItem( WND *wnd, LB_DESCR *descr, INT index,
584 UINT action )
585 {
586 HDC hdc;
587 RECT rect;
588 HFONT oldFont = 0;
589 HBRUSH hbrush, oldBrush = 0;
590
591 /* Do not repaint the item if the item is not visible */
592 if ((descr->style & LBS_NOREDRAW) || !IsWindowVisible(wnd->hwndSelf)) return;
593
594 if (LISTBOX_GetItemRect( wnd, descr, index, &rect ) != 1) return;
595 if (!(hdc = GetDCEx( wnd->hwndSelf, 0, DCX_CACHE ))) return;
596 if (descr->font) oldFont = SelectObject( hdc, descr->font );
597 hbrush = SendMessageA( descr->owner, WM_CTLCOLORLISTBOX,
598 hdc, (LPARAM)wnd->hwndSelf );
599 if (hbrush) oldBrush = SelectObject( hdc, hbrush );
600 if (wnd->dwStyle & WS_DISABLED)
601 SetTextColor( hdc, GetSysColor( COLOR_GRAYTEXT ) );
602 SetWindowOrgEx( hdc, descr->horz_pos, 0, NULL );
603 LISTBOX_PaintItem( wnd, descr, hdc, &rect, index, action );
604 if (oldFont) SelectObject( hdc, oldFont );
605 if (oldBrush) SelectObject( hdc, oldBrush );
606 ReleaseDC( wnd->hwndSelf, hdc );
607 }
608
609
610 /***********************************************************************
611 * LISTBOX_InitStorage
612 */
613 static LRESULT LISTBOX_InitStorage( WND *wnd, LB_DESCR *descr, INT nb_items,
614 DWORD bytes )
615 {
616 LB_ITEMDATA *item;
617
618 nb_items += LB_ARRAY_GRANULARITY - 1;
619 nb_items -= (nb_items % LB_ARRAY_GRANULARITY);
620 if (descr->items)
621 nb_items += HeapSize( descr->heap, 0, descr->items ) / sizeof(*item);
622 if (!(item = HeapReAlloc( descr->heap, 0, descr->items,
623 nb_items * sizeof(LB_ITEMDATA) )))
624 {
625 SEND_NOTIFICATION( wnd, descr, LBN_ERRSPACE );
626 return LB_ERRSPACE;
627 }
628 descr->items = item;
629 return LB_OKAY;
630 }
631
632
633 /***********************************************************************
634 * LISTBOX_SetTabStops
635 */
636 static BOOL LISTBOX_SetTabStops( WND *wnd, LB_DESCR *descr, INT count,
637 LPINT tabs, BOOL short_ints )
638 {
639 if (!(descr->style & LBS_USETABSTOPS)) return TRUE;
640 if (descr->tabs) HeapFree( descr->heap, 0, descr->tabs );
641 if (!(descr->nb_tabs = count))
642 {
643 descr->tabs = NULL;
644 return TRUE;
645 }
646 /* FIXME: count = 1 */
647 if (!(descr->tabs = (INT *)HeapAlloc( descr->heap, 0,
648 descr->nb_tabs * sizeof(INT) )))
649 return FALSE;
650 if (short_ints)
651 {
652 INT i;
653 LPINT16 p = (LPINT16)tabs;
654
655 TRACE("[%04x]: settabstops ", wnd->hwndSelf );
656 for (i = 0; i < descr->nb_tabs; i++) {
657 descr->tabs[i] = *p++<<1; /* FIXME */
658 if (TRACE_ON(listbox)) DPRINTF("%hd ", descr->tabs[i]);
659 }
660 if (TRACE_ON(listbox)) DPRINTF("\n");
661 }
662 else memcpy( descr->tabs, tabs, descr->nb_tabs * sizeof(INT) );
663 /* FIXME: repaint the window? */
664 return TRUE;
665 }
666
667
668 /***********************************************************************
669 * LISTBOX_GetText
670 */
671 static LRESULT LISTBOX_GetText( WND *wnd, LB_DESCR *descr, INT index,
672 LPSTR buffer )
673 {
674 if ((index < 0) || (index >= descr->nb_items)) return LB_ERR;
675 if (HAS_STRINGS(descr))
676 {
677 if (!buffer)
678 return strlen(descr->items[index].str);
679 lstrcpyA( buffer, descr->items[index].str );
680 return strlen(buffer);
681 } else {
682 if (buffer)
683 *((LPDWORD)buffer)=*(LPDWORD)(&descr->items[index].data);
684 return sizeof(DWORD);
685 }
686 }
687
688
689 /***********************************************************************
690 * LISTBOX_FindStringPos
691 *
692 * Find the nearest string located before a given string in sort order.
693 * If 'exact' is TRUE, return an error if we don't get an exact match.
694 */
695 static INT LISTBOX_FindStringPos( WND *wnd, LB_DESCR *descr, LPCSTR str,
696 BOOL exact )
697 {
698 INT index, min, max, res = -1;
699
700 if (!(descr->style & LBS_SORT)) return -1; /* Add it at the end */
701 min = 0;
702 max = descr->nb_items;
703 while (min != max)
704 {
705 index = (min + max) / 2;
706 if (HAS_STRINGS(descr))
707 res = lstrcmpiA( descr->items[index].str, str );
708 else
709 {
710 COMPAREITEMSTRUCT cis;
711 UINT id = (descr->lphc) ? ID_CB_LISTBOX : wnd->wIDmenu;
712
713 cis.CtlType = ODT_LISTBOX;
714 cis.CtlID = id;
715 cis.hwndItem = wnd->hwndSelf;
716 cis.itemID1 = index;
717 cis.itemData1 = descr->items[index].data;
718 cis.itemID2 = -1;
719 cis.itemData2 = (DWORD)str;
720 cis.dwLocaleId = descr->locale;
721 res = SendMessageA( descr->owner, WM_COMPAREITEM,
722 id, (LPARAM)&cis );
723 }
724 if (!res) return index;
725 if (res > 0) max = index;
726 else min = index + 1;
727 }
728 return exact ? -1 : max;
729 }
730
731
732 /***********************************************************************
733 * LISTBOX_FindFileStrPos
734 *
735 * Find the nearest string located before a given string in directory
736 * sort order (i.e. first files, then directories, then drives).
737 */
738 static INT LISTBOX_FindFileStrPos( WND *wnd, LB_DESCR *descr, LPCSTR str )
739 {
740 INT min, max, res = -1;
741
742 if (!HAS_STRINGS(descr))
743 return LISTBOX_FindStringPos( wnd, descr, str, FALSE );
744 min = 0;
745 max = descr->nb_items;
746 while (min != max)
747 {
748 INT index = (min + max) / 2;
749 const char *p = descr->items[index].str;
750 if (*p == '[') /* drive or directory */
751 {
752 if (*str != '[') res = -1;
753 else if (p[1] == '-') /* drive */
754 {
755 if (str[1] == '-') res = str[2] - p[2];
756 else res = -1;
757 }
758 else /* directory */
759 {
760 if (str[1] == '-') res = 1;
761 else res = lstrcmpiA( str, p );
762 }
763 }
764 else /* filename */
765 {
766 if (*str == '[') res = 1;
767 else res = lstrcmpiA( str, p );
768 }
769 if (!res) return index;
770 if (res < 0) max = index;
771 else min = index + 1;
772 }
773 return max;
774 }
775
776
777 /***********************************************************************
778 * LISTBOX_FindString
779 *
780 * Find the item beginning with a given string.
781 */
782 static INT LISTBOX_FindString( WND *wnd, LB_DESCR *descr, INT start,
783 LPCSTR str, BOOL exact )
784 {
785 INT i;
786 LB_ITEMDATA *item;
787
788 if (start >= descr->nb_items) start = -1;
789 item = descr->items + start + 1;
790 if (HAS_STRINGS(descr))
791 {
792 if (!str || ! str[0] ) return LB_ERR;
793 if (exact)
794 {
795 for (i = start + 1; i < descr->nb_items; i++, item++)
796 if (!lstrcmpiA( str, item->str )) return i;
797 for (i = 0, item = descr->items; i <= start; i++, item++)
798 if (!lstrcmpiA( str, item->str )) return i;
799 }
800 else
801 {
802 /* Special case for drives and directories: ignore prefix */
803 #define CHECK_DRIVE(item) \
804 if ((item)->str[0] == '[') \
805 { \
806 if (!lstrncmpiA( str, (item)->str+1, len )) return i; \
807 if (((item)->str[1] == '-') && !lstrncmpiA(str,(item)->str+2,len)) \
808 return i; \
809 }
810
811 INT len = strlen(str);
812 for (i = start + 1; i < descr->nb_items; i++, item++)
813 {
814 if (!lstrncmpiA( str, item->str, len )) return i;
815 CHECK_DRIVE(item);
816 }
817 for (i = 0, item = descr->items; i <= start; i++, item++)
818 {
819 if (!lstrncmpiA( str, item->str, len )) return i;
820 CHECK_DRIVE(item);
821 }
822 #undef CHECK_DRIVE
823 }
824 }
825 else
826 {
827 if (exact && (descr->style & LBS_SORT))
828 /* If sorted, use a WM_COMPAREITEM binary search */
829 return LISTBOX_FindStringPos( wnd, descr, str, TRUE );
830
831 /* Otherwise use a linear search */
832 for (i = start + 1; i < descr->nb_items; i++, item++)
833 if (item->data == (DWORD)str) return i;
834 for (i = 0, item = descr->items; i <= start; i++, item++)
835 if (item->data == (DWORD)str) return i;
836 }
837 return LB_ERR;
838 }
839
840
841 /***********************************************************************
842 * LISTBOX_GetSelCount
843 */
844 static LRESULT LISTBOX_GetSelCount( WND *wnd, LB_DESCR *descr )
845 {
846 INT i, count;
847 LB_ITEMDATA *item = descr->items;
848
849 if (!(descr->style & LBS_MULTIPLESEL)) return LB_ERR;
850 for (i = count = 0; i < descr->nb_items; i++, item++)
851 if (item->selected) count++;
852 return count;
853 }
854
855
856 /***********************************************************************
857 * LISTBOX_GetSelItems16
858 */
859 static LRESULT LISTBOX_GetSelItems16( WND *wnd, LB_DESCR *descr, INT16 max,
860 LPINT16 array )
861 {
862 INT i, count;
863 LB_ITEMDATA *item = descr->items;
864
865 if (!(descr->style & LBS_MULTIPLESEL)) return LB_ERR;
866 for (i = count = 0; (i < descr->nb_items) && (count < max); i++, item++)
867 if (item->selected) array[count++] = (INT16)i;
868 return count;
869 }
870
871
872 /***********************************************************************
873 * LISTBOX_GetSelItems32
874 */
875 static LRESULT LISTBOX_GetSelItems( WND *wnd, LB_DESCR *descr, INT max,
876 LPINT array )
877 {
878 INT i, count;
879 LB_ITEMDATA *item = descr->items;
880
881 if (!(descr->style & LBS_MULTIPLESEL)) return LB_ERR;
882 for (i = count = 0; (i < descr->nb_items) && (count < max); i++, item++)
883 if (item->selected) array[count++] = i;
884 return count;
885 }
886
887
888 /***********************************************************************
889 * LISTBOX_Paint
890 */
891 static LRESULT LISTBOX_Paint( WND *wnd, LB_DESCR *descr, HDC hdc )
892 {
893 INT i, col_pos = descr->page_size - 1;
894 RECT rect;
895 HFONT oldFont = 0;
896 HBRUSH hbrush, oldBrush = 0;
897
898 SetRect( &rect, 0, 0, descr->width, descr->height );
899 if (descr->style & LBS_NOREDRAW) return 0;
900 if (descr->style & LBS_MULTICOLUMN)
901 rect.right = rect.left + descr->column_width;
902 else if (descr->horz_pos)
903 {
904 SetWindowOrgEx( hdc, descr->horz_pos, 0, NULL );
905 rect.right += descr->horz_pos;
906 }
907
908 if (descr->font) oldFont = SelectObject( hdc, descr->font );
909 hbrush = SendMessageA( descr->owner, WM_CTLCOLORLISTBOX,
910 hdc, (LPARAM)wnd->hwndSelf );
911 if (hbrush) oldBrush = SelectObject( hdc, hbrush );
912 if (wnd->dwStyle & WS_DISABLED)
913 SetTextColor( hdc, GetSysColor( COLOR_GRAYTEXT ) );
914
915 if (!descr->nb_items && (descr->focus_item != -1) && descr->caret_on &&
916 (GetFocus() == wnd->hwndSelf))
917 {
918 /* Special case for empty listbox: paint focus rect */
919 rect.bottom = rect.top + descr->item_height;
920 LISTBOX_PaintItem( wnd, descr, hdc, &rect, descr->focus_item,
921 ODA_FOCUS );
922 rect.top = rect.bottom;
923 }
924
925 for (i = descr->top_item; i < descr->nb_items; i++)
926 {
927 if (!(descr->style & LBS_OWNERDRAWVARIABLE))
928 rect.bottom = rect.top + descr->item_height;
929 else
930 rect.bottom = rect.top + descr->items[i].height;
931
932 LISTBOX_PaintItem( wnd, descr, hdc, &rect, i, ODA_DRAWENTIRE );
933 rect.top = rect.bottom;
934
935 if ((descr->style & LBS_MULTICOLUMN) && !col_pos)
936 {
937 if (!IS_OWNERDRAW(descr))
938 {
939 /* Clear the bottom of the column */
940 SetBkColor( hdc, GetSysColor( COLOR_WINDOW ) );
941 if (rect.top < descr->height)
942 {
943 rect.bottom = descr->height;
944 ExtTextOutA( hdc, 0, 0, ETO_OPAQUE | ETO_CLIPPED,
945 &rect, NULL, 0, NULL );
946 }
947 }
948
949 /* Go to the next column */
950 rect.left += descr->column_width;
951 rect.right += descr->column_width;
952 rect.top = 0;
953 col_pos = descr->page_size - 1;
954 }
955 else
956 {
957 col_pos--;
958 if (rect.top >= descr->height) break;
959 }
960 }
961
962 if (!IS_OWNERDRAW(descr))
963 {
964 /* Clear the remainder of the client area */
965 SetBkColor( hdc, GetSysColor( COLOR_WINDOW ) );
966 if (rect.top < descr->height)
967 {
968 rect.bottom = descr->height;
969 ExtTextOutA( hdc, 0, 0, ETO_OPAQUE | ETO_CLIPPED,
970 &rect, NULL, 0, NULL );
971 }
972 if (rect.right < descr->width)
973 {
974 rect.left = rect.right;
975 rect.right = descr->width;
976 rect.top = 0;
977 rect.bottom = descr->height;
978 ExtTextOutA( hdc, 0, 0, ETO_OPAQUE | ETO_CLIPPED,
979 &rect, NULL, 0, NULL );
980 }
981 }
982 if (oldFont) SelectObject( hdc, oldFont );
983 if (oldBrush) SelectObject( hdc, oldBrush );
984 return 0;
985 }
986
987
988 /***********************************************************************
989 * LISTBOX_InvalidateItems
990 *
991 * Invalidate all items from a given item. If the specified item is not
992 * visible, nothing happens.
993 */
994 static void LISTBOX_InvalidateItems( WND *wnd, LB_DESCR *descr, INT index )
995 {
996 RECT rect;
997
998 if (LISTBOX_GetItemRect( wnd, descr, index, &rect ) == 1)
999 {
1000 rect.bottom = descr->height;
1001 InvalidateRect( wnd->hwndSelf, &rect, TRUE );
1002 if (descr->style & LBS_MULTICOLUMN)
1003 {
1004 /* Repaint the other columns */
1005 rect.left = rect.right;
1006 rect.right = descr->width;
1007 rect.top = 0;
1008 InvalidateRect( wnd->hwndSelf, &rect, TRUE );
1009 }
1010 }
1011 }
1012
1013
1014 /***********************************************************************
1015 * LISTBOX_GetItemHeight
1016 */
1017 static LRESULT LISTBOX_GetItemHeight( WND *wnd, LB_DESCR *descr, INT index )
1018 {
1019 if (descr->style & LBS_OWNERDRAWVARIABLE)
1020 {
1021 if ((index < 0) || (index >= descr->nb_items)) return LB_ERR;
1022 return descr->items[index].height;
1023 }
1024 else return descr->item_height;
1025 }
1026
1027
1028 /***********************************************************************
1029 * LISTBOX_SetItemHeight
1030 */
1031 static LRESULT LISTBOX_SetItemHeight( WND *wnd, LB_DESCR *descr, INT index,
1032 UINT height )
1033 {
1034 if (!height) height = 1;
1035
1036 if (descr->style & LBS_OWNERDRAWVARIABLE)
1037 {
1038 if ((index < 0) || (index >= descr->nb_items)) return LB_ERR;
1039 TRACE("[%04x]: item %d height = %d\n",
1040 wnd->hwndSelf, index, height );
1041 descr->items[index].height = height;
1042 LISTBOX_UpdateScroll( wnd, descr );
1043 LISTBOX_InvalidateItems( wnd, descr, index );
1044 }
1045 else if (height != descr->item_height)
1046 {
1047 TRACE("[%04x]: new height = %d\n",
1048 wnd->hwndSelf, height );
1049 descr->item_height = height;
1050 LISTBOX_UpdatePage( wnd, descr );
1051 LISTBOX_UpdateScroll( wnd, descr );
1052 InvalidateRect( wnd->hwndSelf, 0, TRUE );
1053 }
1054 return LB_OKAY;
1055 }
1056
1057
1058 /***********************************************************************
1059 * LISTBOX_SetHorizontalPos
1060 */
1061 static void LISTBOX_SetHorizontalPos( WND *wnd, LB_DESCR *descr, INT pos )
1062 {
1063 INT diff;
1064
1065 if (pos > descr->horz_extent - descr->width)
1066 pos = descr->horz_extent - descr->width;
1067 if (pos < 0) pos = 0;
1068 if (!(diff = descr->horz_pos - pos)) return;
1069 TRACE("[%04x]: new horz pos = %d\n",
1070 wnd->hwndSelf, pos );
1071 descr->horz_pos = pos;
1072 LISTBOX_UpdateScroll( wnd, descr );
1073 if (abs(diff) < descr->width)
1074 ScrollWindowEx( wnd->hwndSelf, diff, 0, NULL, NULL, 0, NULL,
1075 SW_INVALIDATE | SW_ERASE | SW_SCROLLCHILDREN );
1076 else
1077 InvalidateRect( wnd->hwndSelf, NULL, TRUE );
1078 }
1079
1080
1081 /***********************************************************************
1082 * LISTBOX_SetHorizontalExtent
1083 */
1084 static LRESULT LISTBOX_SetHorizontalExtent( WND *wnd, LB_DESCR *descr,
1085 UINT extent )
1086 {
1087 if (!descr->horz_extent || (descr->style & LBS_MULTICOLUMN))
1088 return LB_OKAY;
1089 if (extent <= 0) extent = 1;
1090 if (extent == descr->horz_extent) return LB_OKAY;
1091 TRACE("[%04x]: new horz extent = %d\n",
1092 wnd->hwndSelf, extent );
1093 descr->horz_extent = extent;
1094 if (descr->horz_pos > extent - descr->width)
1095 LISTBOX_SetHorizontalPos( wnd, descr, extent - descr->width );
1096 else
1097 LISTBOX_UpdateScroll( wnd, descr );
1098 return LB_OKAY;
1099 }
1100
1101
1102 /***********************************************************************
1103 * LISTBOX_SetColumnWidth
1104 */
1105 static LRESULT LISTBOX_SetColumnWidth( WND *wnd, LB_DESCR *descr, UINT width)
1106 {
1107 if (width == descr->column_width) return LB_OKAY;
1108 TRACE("[%04x]: new column width = %d\n",
1109 wnd->hwndSelf, width );
1110 descr->column_width = width;
1111 LISTBOX_UpdatePage( wnd, descr );
1112 return LB_OKAY;
1113 }
1114
1115
1116 /***********************************************************************
1117 * LISTBOX_SetFont
1118 *
1119 * Returns the item height.
1120 */
1121 static INT LISTBOX_SetFont( WND *wnd, LB_DESCR *descr, HFONT font )
1122 {
1123 HDC hdc;
1124 HFONT oldFont = 0;
1125 TEXTMETRICA tm;
1126
1127 descr->font = font;
1128
1129 if (!(hdc = GetDCEx( wnd->hwndSelf, 0, DCX_CACHE )))
1130 {
1131 ERR("unable to get DC.\n" );
1132 return 16;
1133 }
1134 if (font) oldFont = SelectObject( hdc, font );
1135 GetTextMetricsA( hdc, &tm );
1136 if (oldFont) SelectObject( hdc, oldFont );
1137 ReleaseDC( wnd->hwndSelf, hdc );
1138 if (!IS_OWNERDRAW(descr))
1139 LISTBOX_SetItemHeight( wnd, descr, 0, tm.tmHeight );
1140 return tm.tmHeight ;
1141 }
1142
1143
1144 /***********************************************************************
1145 * LISTBOX_MakeItemVisible
1146 *
1147 * Make sure that a given item is partially or fully visible.
1148 */
1149 static void LISTBOX_MakeItemVisible( WND *wnd, LB_DESCR *descr, INT index,
1150 BOOL fully )
1151 {
1152 INT top;
1153
1154 if (index <= descr->top_item) top = index;
1155 else if (descr->style & LBS_MULTICOLUMN)
1156 {
1157 INT cols = descr->width;
1158 if (!fully) cols += descr->column_width - 1;
1159 if (cols >= descr->column_width) cols /= descr->column_width;
1160 else cols = 1;
1161 if (index < descr->top_item + (descr->page_size * cols)) return;
1162 top = index - descr->page_size * (cols - 1);
1163 }
1164 else if (descr->style & LBS_OWNERDRAWVARIABLE)
1165 {
1166 INT height = fully ? descr->items[index].height : 1;
1167 for (top = index; top > descr->top_item; top--)
1168 if ((height += descr->items[top-1].height) > descr->height) break;
1169 }
1170 else
1171 {
1172 if (index < descr->top_item + descr->page_size) return;
1173 if (!fully && (index == descr->top_item + descr->page_size) &&
1174 (descr->height > (descr->page_size * descr->item_height))) return;
1175 top = index - descr->page_size + 1;
1176 }
1177 LISTBOX_SetTopItem( wnd, descr, top, TRUE );
1178 }
1179
1180
1181 /***********************************************************************
1182 * LISTBOX_SelectItemRange
1183 *
1184 * Select a range of items. Should only be used on a MULTIPLESEL listbox.
1185 */
1186 static LRESULT LISTBOX_SelectItemRange( WND *wnd, LB_DESCR *descr, INT first,
1187 INT last, BOOL on )
1188 {
1189 INT i;
1190
1191 /* A few sanity checks */
1192
1193 if ((last == -1) && (descr->nb_items == 0)) return LB_OKAY;
1194 if (!(descr->style & LBS_MULTIPLESEL)) return LB_ERR;
1195 if (last == -1) last = descr->nb_items - 1;
1196 if ((first < 0) || (first >= descr->nb_items)) return LB_ERR;
1197 if ((last < 0) || (last >= descr->nb_items)) return LB_ERR;
1198 /* selected_item reflects last selected/unselected item on multiple sel */
1199 descr->selected_item = last;
1200
1201 if (on) /* Turn selection on */
1202 {
1203 for (i = first; i <= last; i++)
1204 {
1205 if (descr->items[i].selected) continue;
1206 descr->items[i].selected = TRUE;
1207 LISTBOX_RepaintItem( wnd, descr, i, ODA_SELECT );
1208 }
1209 }
1210 else /* Turn selection off */
1211 {
1212 for (i = first; i <= last; i++)
1213 {
1214 if (!descr->items[i].selected) continue;
1215 descr->items[i].selected = FALSE;
1216 LISTBOX_RepaintItem( wnd, descr, i, ODA_SELECT );
1217 }
1218 }
1219 return LB_OKAY;
1220 }
1221
1222
1223 /***********************************************************************
1224 * LISTBOX_SetCaretIndex
1225 *
1226 * NOTES
1227 * index must be between 0 and descr->nb_items-1, or LB_ERR is returned.
1228 *
1229 */
1230 static LRESULT LISTBOX_SetCaretIndex( WND *wnd, LB_DESCR *descr, INT index,
1231 BOOL fully_visible )
1232 {
1233 INT oldfocus = descr->focus_item;
1234
1235 if ((index < 0) || (index >= descr->nb_items)) return LB_ERR;
1236 if (index == oldfocus) return LB_OKAY;
1237 descr->focus_item = index;
1238 if ((oldfocus != -1) && descr->caret_on && (GetFocus() == wnd->hwndSelf))
1239 LISTBOX_RepaintItem( wnd, descr, oldfocus, ODA_FOCUS );
1240
1241 LISTBOX_MakeItemVisible( wnd, descr, index, fully_visible );
1242 if (descr->caret_on && (GetFocus() == wnd->hwndSelf))
1243 LISTBOX_RepaintItem( wnd, descr, index, ODA_FOCUS );
1244
1245 return LB_OKAY;
1246 }
1247
1248
1249 /***********************************************************************
1250 * LISTBOX_SetSelection
1251 */
1252 static LRESULT LISTBOX_SetSelection( WND *wnd, LB_DESCR *descr, INT index,
1253 BOOL on, BOOL send_notify )
1254 {
1255 TRACE( "index=%d notify=%s\n", index, send_notify ? "YES" : "NO" );
1256
1257 if ((index < -1) || (index >= descr->nb_items)) return LB_ERR;
1258 if (descr->style & LBS_MULTIPLESEL)
1259 {
1260 if (index == -1) /* Select all items */
1261 return LISTBOX_SelectItemRange( wnd, descr, 0, -1, on );
1262 else /* Only one item */
1263 return LISTBOX_SelectItemRange( wnd, descr, index, index, on );
1264 }
1265 else
1266 {
1267 INT oldsel = descr->selected_item;
1268 if (index == oldsel) return LB_OKAY;
1269 if (oldsel != -1) descr->items[oldsel].selected = FALSE;
1270 if (index != -1) descr->items[index].selected = TRUE;
1271 descr->selected_item = index;
1272 if (oldsel != -1) LISTBOX_RepaintItem( wnd, descr, oldsel, ODA_SELECT );
1273 if (index != -1) LISTBOX_RepaintItem( wnd, descr, index, ODA_SELECT );
1274 if (send_notify && descr->nb_items) SEND_NOTIFICATION( wnd, descr,
1275 (index != -1) ? LBN_SELCHANGE : LBN_SELCANCEL );
1276 else
1277 if( descr->lphc ) /* set selection change flag for parent combo */
1278 descr->lphc->wState |= CBF_SELCHANGE;
1279 }
1280 return LB_OKAY;
1281 }
1282
1283
1284 /***********************************************************************
1285 * LISTBOX_MoveCaret
1286 *
1287 * Change the caret position and extend the selection to the new caret.
1288 */
1289 static void LISTBOX_MoveCaret( WND *wnd, LB_DESCR *descr, INT index,
1290 BOOL fully_visible )
1291 {
1292 LISTBOX_SetCaretIndex( wnd, descr, index, fully_visible );
1293 if (descr->style & LBS_EXTENDEDSEL)
1294 {
1295 if (descr->anchor_item != -1)
1296 {
1297 INT first = min( descr->focus_item, descr->anchor_item );
1298 INT last = max( descr->focus_item, descr->anchor_item );
1299 if (first > 0)
1300 LISTBOX_SelectItemRange( wnd, descr, 0, first - 1, FALSE );
1301 LISTBOX_SelectItemRange( wnd, descr, last + 1, -1, FALSE );
1302 LISTBOX_SelectItemRange( wnd, descr, first, last, TRUE );
1303 }
1304 }
1305 else if (!(descr->style & LBS_MULTIPLESEL))
1306 {
1307 /* Set selection to new caret item */
1308 LISTBOX_SetSelection( wnd, descr, index, TRUE, FALSE );
1309 }
1310 }
1311
1312
1313 /***********************************************************************
1314 * LISTBOX_InsertItem
1315 */
1316 static LRESULT LISTBOX_InsertItem( WND *wnd, LB_DESCR *descr, INT index,
1317 LPSTR str, DWORD data )
1318 {
1319 LB_ITEMDATA *item;
1320 INT max_items;
1321 INT oldfocus = descr->focus_item;
1322
1323 if (index == -1) index = descr->nb_items;
1324 else if ((index < 0) || (index > descr->nb_items)) return LB_ERR;
1325 if (!descr->items) max_items = 0;
1326 else max_items = HeapSize( descr->heap, 0, descr->items ) / sizeof(*item);
1327 if (descr->nb_items == max_items)
1328 {
1329 /* We need to grow the array */
1330 max_items += LB_ARRAY_GRANULARITY;
1331 if (!(item = HeapReAlloc( descr->heap, 0, descr->items,
1332 max_items * sizeof(LB_ITEMDATA) )))
1333 {
1334 SEND_NOTIFICATION( wnd, descr, LBN_ERRSPACE );
1335 return LB_ERRSPACE;
1336 }
1337 descr->items = item;
1338 }
1339
1340 /* Insert the item structure */
1341
1342 item = &descr->items[index];
1343 if (index < descr->nb_items)
1344 RtlMoveMemory( item + 1, item,
1345 (descr->nb_items - index) * sizeof(LB_ITEMDATA) );
1346 item->str = str;
1347 item->data = data;
1348 item->height = 0;
1349 item->selected = FALSE;
1350 descr->nb_items++;
1351
1352 /* Get item height */
1353
1354 if (descr->style & LBS_OWNERDRAWVARIABLE)
1355 {
1356 MEASUREITEMSTRUCT mis;
1357 UINT id = (descr->lphc) ? ID_CB_LISTBOX : wnd->wIDmenu;
1358
1359 mis.CtlType = ODT_LISTBOX;
1360 mis.CtlID = id;
1361 mis.itemID = index;
1362 mis.itemData = descr->items[index].data;
1363 mis.itemHeight = descr->item_height;
1364 SendMessageA( descr->owner, WM_MEASUREITEM, id, (LPARAM)&mis );
1365 item->height = mis.itemHeight ? mis.itemHeight : 1;
1366 TRACE("[%04x]: measure item %d (%s) = %d\n",
1367 wnd->hwndSelf, index, str ? str : "", item->height );
1368 }
1369
1370 /* Repaint the items */
1371
1372 LISTBOX_UpdateScroll( wnd, descr );
1373 LISTBOX_InvalidateItems( wnd, descr, index );
1374
1375 /* Move selection and focused item */
1376 /* If listbox was empty, set focus to the first item */
1377 if (descr->nb_items == 1)
1378 LISTBOX_SetCaretIndex( wnd, descr, 0, FALSE );
1379 /* single select don't change selection index in win31 */
1380 else if ((ISWIN31) && !(IS_MULTISELECT(descr)))
1381 {
1382 descr->selected_item++;
1383 LISTBOX_SetSelection( wnd, descr, descr->selected_item-1, TRUE, FALSE );
1384 }
1385 else
1386 {
1387 if (index <= descr->selected_item)
1388 {
1389 descr->selected_item++;
1390 descr->focus_item = oldfocus; /* focus not changed */
1391 }
1392 }
1393 return LB_OKAY;
1394 }
1395
1396
1397 /***********************************************************************
1398 * LISTBOX_InsertString
1399 */
1400 static LRESULT LISTBOX_InsertString( WND *wnd, LB_DESCR *descr, INT index,
1401 LPCSTR str )
1402 {
1403 LPSTR new_str = NULL;
1404 DWORD data = 0;
1405 LRESULT ret;
1406
1407 if (HAS_STRINGS(descr))
1408 {
1409 if (!str) str="";
1410 if (!(new_str = HEAP_strdupA( descr->heap, 0, str )))
1411 {
1412 SEND_NOTIFICATION( wnd, descr, LBN_ERRSPACE );
1413 return LB_ERRSPACE;
1414 }
1415 }
1416 else data = (DWORD)str;
1417
1418 if (index == -1) index = descr->nb_items;
1419 if ((ret = LISTBOX_InsertItem( wnd, descr, index, new_str, data )) != 0)
1420 {
1421 if (new_str) HeapFree( descr->heap, 0, new_str );
1422 return ret;
1423 }
1424
1425 TRACE("[%04x]: added item %d '%s'\n",
1426 wnd->hwndSelf, index, HAS_STRINGS(descr) ? new_str : "" );
1427 return index;
1428 }
1429
1430
1431 /***********************************************************************
1432 * LISTBOX_DeleteItem
1433 *
1434 * Delete the content of an item. 'index' must be a valid index.
1435 */
1436 static void LISTBOX_DeleteItem( WND *wnd, LB_DESCR *descr, INT index )
1437 {
1438 /* Note: Win 3.1 only sends DELETEITEM on owner-draw items,
1439 * while Win95 sends it for all items with user data.
1440 * It's probably better to send it too often than not
1441 * often enough, so this is what we do here.
1442 */
1443 if (IS_OWNERDRAW(descr) || descr->items[index].data)
1444 {
1445 DELETEITEMSTRUCT dis;
1446 UINT id = (descr->lphc) ? ID_CB_LISTBOX : wnd->wIDmenu;
1447
1448 dis.CtlType = ODT_LISTBOX;
1449 dis.CtlID = id;
1450 dis.itemID = index;
1451 dis.hwndItem = wnd->hwndSelf;
1452 dis.itemData = descr->items[index].data;
1453 SendMessageA( descr->owner, WM_DELETEITEM, id, (LPARAM)&dis );
1454 }
1455 if (HAS_STRINGS(descr) && descr->items[index].str)
1456 HeapFree( descr->heap, 0, descr->items[index].str );
1457 }
1458
1459
1460 /***********************************************************************
1461 * LISTBOX_RemoveItem
1462 *
1463 * Remove an item from the listbox and delete its content.
1464 */
1465 static LRESULT LISTBOX_RemoveItem( WND *wnd, LB_DESCR *descr, INT index )
1466 {
1467 LB_ITEMDATA *item;
1468 INT max_items;
1469
1470 if (index == -1) index = descr->nb_items - 1;
1471 else if ((index < 0) || (index >= descr->nb_items)) return LB_ERR;
1472
1473 /* We need to invalidate the original rect instead of the updated one. */
1474 LISTBOX_InvalidateItems( wnd, descr, index );
1475
1476 LISTBOX_DeleteItem( wnd, descr, index );
1477
1478 /* Remove the item */
1479
1480 item = &descr->items[index];
1481 if (index < descr->nb_items-1)
1482 RtlMoveMemory( item, item + 1,
1483 (descr->nb_items - index - 1) * sizeof(LB_ITEMDATA) );
1484 descr->nb_items--;
1485 if (descr->anchor_item == descr->nb_items) descr->anchor_item--;
1486
1487 /* Shrink the item array if possible */
1488
1489 max_items = HeapSize( descr->heap, 0, descr->items ) / sizeof(LB_ITEMDATA);
1490 if (descr->nb_items < max_items - 2*LB_ARRAY_GRANULARITY)
1491 {
1492 max_items -= LB_ARRAY_GRANULARITY;
1493 item = HeapReAlloc( descr->heap, 0, descr->items,
1494 max_items * sizeof(LB_ITEMDATA) );
1495 if (item) descr->items = item;
1496 }
1497 /* Repaint the items */
1498
1499 LISTBOX_UpdateScroll( wnd, descr );
1500 /* if we removed the scrollbar, reset the top of the list
1501 (correct for owner-drawn ???) */
1502 if (descr->nb_items == descr->page_size)
1503 LISTBOX_SetTopItem( wnd, descr, 0, TRUE );
1504
1505 /* Move selection and focused item */
1506 if (!IS_MULTISELECT(descr))
1507 {
1508 if (index == descr->selected_item)
1509 descr->selected_item = -1;
1510 else if (index < descr->selected_item)
1511 {
1512 descr->selected_item--;
1513 if (ISWIN31) /* win 31 do not change the selected item number */
1514 LISTBOX_SetSelection( wnd, descr, descr->selected_item + 1, TRUE, FALSE);
1515 }
1516 }
1517
1518 if (descr->focus_item >= descr->nb_items)
1519 {
1520 descr->focus_item = descr->nb_items - 1;
1521 if (descr->focus_item < 0) descr->focus_item = 0;
1522 }
1523 return LB_OKAY;
1524 }
1525
1526
1527 /***********************************************************************
1528 * LISTBOX_ResetContent
1529 */
1530 static void LISTBOX_ResetContent( WND *wnd, LB_DESCR *descr )
1531 {
1532 INT i;
1533
1534 for (i = 0; i < descr->nb_items; i++) LISTBOX_DeleteItem( wnd, descr, i );
1535 if (descr->items) HeapFree( descr->heap, 0, descr->items );
1536 descr->nb_items = 0;
1537 descr->top_item = 0;
1538 descr->selected_item = -1;
1539 descr->focus_item = 0;
1540 descr->anchor_item = -1;
1541 descr->items = NULL;
1542 LISTBOX_UpdateScroll( wnd, descr );
1543 InvalidateRect( wnd->hwndSelf, NULL, TRUE );
1544 }
1545
1546
1547 /***********************************************************************
1548 * LISTBOX_SetCount
1549 */
1550 static LRESULT LISTBOX_SetCount( WND *wnd, LB_DESCR *descr, INT count )
1551 {
1552 LRESULT ret;
1553
1554 if (HAS_STRINGS(descr)) return LB_ERR;
1555 /* FIXME: this is far from optimal... */
1556 if (count > descr->nb_items)
1557 {
1558 while (count > descr->nb_items)
1559 if ((ret = LISTBOX_InsertString( wnd, descr, -1, 0 )) < 0)
1560 return ret;
1561 }
1562 else if (count < descr->nb_items)
1563 {
1564 while (count < descr->nb_items)
1565 if ((ret = LISTBOX_RemoveItem( wnd, descr, -1 )) < 0)
1566 return ret;
1567 }
1568 return LB_OKAY;
1569 }
1570
1571
1572 /***********************************************************************
1573 * LISTBOX_Directory
1574 */
1575 static LRESULT LISTBOX_Directory( WND *wnd, LB_DESCR *descr, UINT attrib,
1576 LPCSTR filespec, BOOL long_names )
1577 {
1578 HANDLE handle;
1579 LRESULT ret = LB_OKAY;
1580 WIN32_FIND_DATAA entry;
1581 int pos;
1582
1583 if ((handle = FindFirstFileA(filespec,&entry)) == INVALID_HANDLE_VALUE)
1584 {
1585 if (GetLastError() != ERROR_NO_MORE_FILES) return LB_ERR;
1586 }
1587 else
1588 {
1589 do
1590 {
1591 char buffer[270];
1592 if (entry.dwFileAttributes & FILE_ATTRIBUTE_DIRECTORY)
1593 {
1594 if (!(attrib & DDL_DIRECTORY) ||
1595 !strcmp( entry.cAlternateFileName, "." )) continue;
1596 if (long_names) sprintf( buffer, "[%s]", entry.cFileName );
1597 else sprintf( buffer, "[%s]", entry.cAlternateFileName );
1598 }
1599 else /* not a directory */
1600 {
1601 #define ATTRIBS (FILE_ATTRIBUTE_READONLY | FILE_ATTRIBUTE_HIDDEN | \
1602 FILE_ATTRIBUTE_SYSTEM | FILE_ATTRIBUTE_ARCHIVE)
1603
1604 if ((attrib & DDL_EXCLUSIVE) &&
1605 ((attrib & ATTRIBS) != (entry.dwFileAttributes & ATTRIBS)))
1606 continue;
1607 #undef ATTRIBS
1608 if (long_names) strcpy( buffer, entry.cFileName );
1609 else strcpy( buffer, entry.cAlternateFileName );
1610 }
1611 if (!long_names) CharLowerA( buffer );
1612 pos = LISTBOX_FindFileStrPos( wnd, descr, buffer );
1613 if ((ret = LISTBOX_InsertString( wnd, descr, pos, buffer )) < 0)
1614 break;
1615 } while (FindNextFileA( handle, &entry ));
1616 FindClose( handle );
1617 }
1618
1619 if ((ret >= 0) && (attrib & DDL_DRIVES))
1620 {
1621 char buffer[] = "[-a-]";
1622 int drive;
1623 for (drive = 0; drive < MAX_DOS_DRIVES; drive++, buffer[2]++)
1624 {
1625 if (!DRIVE_IsValid(drive)) continue;
1626 if ((ret = LISTBOX_InsertString( wnd, descr, -1, buffer )) < 0)
1627 break;
1628 }
1629 }
1630 return ret;
1631 }
1632
1633
1634 /***********************************************************************
1635 * LISTBOX_HandleVScroll
1636 */
1637 static LRESULT LISTBOX_HandleVScroll( WND *wnd, LB_DESCR *descr,
1638 WPARAM wParam, LPARAM lParam )
1639 {
1640 SCROLLINFO info;
1641
1642 if (descr->style & LBS_MULTICOLUMN) return 0;
1643 switch(LOWORD(wParam))
1644 {
1645 case SB_LINEUP:
1646 LISTBOX_SetTopItem( wnd, descr, descr->top_item - 1, TRUE );
1647 break;
1648 case SB_LINEDOWN:
1649 LISTBOX_SetTopItem( wnd, descr, descr->top_item + 1, TRUE );
1650 break;
1651 case SB_PAGEUP:
1652 LISTBOX_SetTopItem( wnd, descr, descr->top_item -
1653 LISTBOX_GetCurrentPageSize( wnd, descr ), TRUE );
1654 break;
1655 case SB_PAGEDOWN:
1656 LISTBOX_SetTopItem( wnd, descr, descr->top_item +
1657 LISTBOX_GetCurrentPageSize( wnd, descr ), TRUE );
1658 break;
1659 case SB_THUMBPOSITION:
1660 LISTBOX_SetTopItem( wnd, descr, HIWORD(wParam), TRUE );
1661 break;
1662 case SB_THUMBTRACK:
1663 info.cbSize = sizeof(info);
1664 info.fMask = SIF_TRACKPOS;
1665 GetScrollInfo( wnd->hwndSelf, SB_VERT, &info );
1666 LISTBOX_SetTopItem( wnd, descr, info.nTrackPos, TRUE );
1667 break;
1668 case SB_TOP:
1669 LISTBOX_SetTopItem( wnd, descr, 0, TRUE );
1670 break;
1671 case SB_BOTTOM:
1672 LISTBOX_SetTopItem( wnd, descr, descr->nb_items, TRUE );
1673 break;
1674 }
1675 return 0;
1676 }
1677
1678
1679 /***********************************************************************
1680 * LISTBOX_HandleHScroll
1681 */
1682 static LRESULT LISTBOX_HandleHScroll( WND *wnd, LB_DESCR *descr,
1683 WPARAM wParam, LPARAM lParam )
1684 {
1685 SCROLLINFO info;
1686 INT page;
1687
1688 if (descr->style & LBS_MULTICOLUMN)
1689 {
1690 switch(LOWORD(wParam))
1691 {
1692 case SB_LINELEFT:
1693 LISTBOX_SetTopItem( wnd, descr, descr->top_item-descr->page_size,
1694 TRUE );
1695 break;
1696 case SB_LINERIGHT:
1697 LISTBOX_SetTopItem( wnd, descr, descr->top_item+descr->page_size,
1698 TRUE );
1699 break;
1700 case SB_PAGELEFT:
1701 page = descr->width / descr->column_width;
1702 if (page < 1) page = 1;
1703 LISTBOX_SetTopItem( wnd, descr,
1704 descr->top_item - page * descr->page_size, TRUE );
1705 break;
1706 case SB_PAGERIGHT:
1707 page = descr->width / descr->column_width;
1708 if (page < 1) page = 1;
1709 LISTBOX_SetTopItem( wnd, descr,
1710 descr->top_item + page * descr->page_size, TRUE );
1711 break;
1712 case SB_THUMBPOSITION:
1713 LISTBOX_SetTopItem( wnd, descr, HIWORD(wParam)*descr->page_size,
1714 TRUE );
1715 break;
1716 case SB_THUMBTRACK:
1717 info.cbSize = sizeof(info);
1718 info.fMask = SIF_TRACKPOS;
1719 GetScrollInfo( wnd->hwndSelf, SB_VERT, &info );
1720 LISTBOX_SetTopItem( wnd, descr, info.nTrackPos*descr->page_size,
1721 TRUE );
1722 break;
1723 case SB_LEFT:
1724 LISTBOX_SetTopItem( wnd, descr, 0, TRUE );
1725 break;
1726 case SB_RIGHT:
1727 LISTBOX_SetTopItem( wnd, descr, descr->nb_items, TRUE );
1728 break;
1729 }
1730 }
1731 else if (descr->horz_extent)
1732 {
1733 switch(LOWORD(wParam))
1734 {
1735 case SB_LINELEFT:
1736 LISTBOX_SetHorizontalPos( wnd, descr, descr->horz_pos - 1 );
1737 break;
1738 case SB_LINERIGHT:
1739 LISTBOX_SetHorizontalPos( wnd, descr, descr->horz_pos + 1 );
1740 break;
1741 case SB_PAGELEFT:
1742 LISTBOX_SetHorizontalPos( wnd, descr,
1743 descr->horz_pos - descr->width );
1744 break;
1745 case SB_PAGERIGHT:
1746 LISTBOX_SetHorizontalPos( wnd, descr,
1747 descr->horz_pos + descr->width );
1748 break;
1749 case SB_THUMBPOSITION:
1750 LISTBOX_SetHorizontalPos( wnd, descr, HIWORD(wParam) );
1751 break;
1752 case SB_THUMBTRACK:
1753 info.cbSize = sizeof(info);
1754 info.fMask = SIF_TRACKPOS;
1755 GetScrollInfo( wnd->hwndSelf, SB_HORZ, &info );
1756 LISTBOX_SetHorizontalPos( wnd, descr, info.nTrackPos );
1757 break;
1758 case SB_LEFT:
1759 LISTBOX_SetHorizontalPos( wnd, descr, 0 );
1760 break;
1761 case SB_RIGHT:
1762 LISTBOX_SetHorizontalPos( wnd, descr,
1763 descr->horz_extent - descr->width );
1764 break;
1765 }
1766 }
1767 return 0;
1768 }
1769
1770
1771 /***********************************************************************
1772 * LISTBOX_HandleLButtonDown
1773 */
1774 static LRESULT LISTBOX_HandleLButtonDown( WND *wnd, LB_DESCR *descr,
1775 WPARAM wParam, INT x, INT y )
1776 {
1777 INT index = LISTBOX_GetItemFromPoint( wnd, descr, x, y );
1778 TRACE("[%04x]: lbuttondown %d,%d item %d\n",
1779 wnd->hwndSelf, x, y, index );
1780 if (!descr->caret_on && (GetFocus() == wnd->hwndSelf)) return 0;
1781 if (index != -1)
1782 {
1783 if (descr->style & LBS_EXTENDEDSEL)
1784 {
1785 if (!(wParam & MK_SHIFT)) descr->anchor_item = index;
1786 if (wParam & MK_CONTROL)
1787 {
1788 LISTBOX_SetCaretIndex( wnd, descr, index, FALSE );
1789 LISTBOX_SetSelection( wnd, descr, index,
1790 !descr->items[index].selected,
1791 (descr->style & LBS_NOTIFY) != 0);
1792 }
1793 else LISTBOX_MoveCaret( wnd, descr, index, FALSE );
1794 }
1795 else
1796 {
1797 LISTBOX_MoveCaret( wnd, descr, index, FALSE );
1798 LISTBOX_SetSelection( wnd, descr, index,
1799 (!(descr->style & LBS_MULTIPLESEL) ||
1800 !descr->items[index].selected),
1801 (descr->style & LBS_NOTIFY) != 0 );
1802 }
1803 }
1804
1805 if( !descr->lphc ) SetFocus( wnd->hwndSelf );
1806 else SetFocus( (descr->lphc->hWndEdit) ? descr->lphc->hWndEdit
1807 : descr->lphc->self->hwndSelf ) ;
1808
1809 descr->captured = TRUE;
1810 SetCapture( wnd->hwndSelf );
1811 if (index != -1 && !descr->lphc)
1812 {
1813 if (descr->style & LBS_NOTIFY )
1814 SendMessageA( descr->owner, WM_LBTRACKPOINT, index,
1815 MAKELPARAM( x, y ) );
1816 if (wnd->dwExStyle & WS_EX_DRAGDETECT)
1817 {
1818 POINT pt;
1819
1820 pt.x = x;
1821 pt.y = y;
1822
1823 if (DragDetect( wnd->hwndSelf, pt ))
1824 SendMessageA( descr->owner, WM_BEGINDRAG, 0, 0 );
1825 }
1826 }
1827 return 0;
1828 }
1829
1830
1831 /*************************************************************************
1832 * LISTBOX_HandleLButtonDownCombo [Internal]
1833 *
1834 * Process LButtonDown message for the ComboListBox
1835 *
1836 * PARAMS
1837 * pWnd [I] The windows internal structure
1838 * pDescr [I] The ListBox internal structure
1839 * wParam [I] Key Flag (WM_LBUTTONDOWN doc for more info)
1840 * x [I] X Mouse Coordinate
1841 * y [I] Y Mouse Coordinate
1842 *
1843 * RETURNS
1844 * 0 since we are processing the WM_LBUTTONDOWN Message
1845 *
1846 * NOTES
1847 * This function is only to be used when a ListBox is a ComboListBox
1848 */
1849
1850 static LRESULT LISTBOX_HandleLButtonDownCombo( WND *pWnd, LB_DESCR *pDescr,
1851 WPARAM wParam, INT x, INT y)
1852 {
1853 RECT clientRect, screenRect;
1854 POINT mousePos;
1855
1856 mousePos.x = x;
1857 mousePos.y = y;
1858
1859 GetClientRect(pWnd->hwndSelf, &clientRect);
1860
1861 if(PtInRect(&clientRect, mousePos))
1862 {
1863 /* MousePos is in client, resume normal processing */
1864 return LISTBOX_HandleLButtonDown( pWnd, pDescr, wParam, x, y);
1865 }
1866 else
1867 {
1868 POINT screenMousePos;
1869 HWND hWndOldCapture;
1870
1871 /* Check the Non-Client Area */
1872 screenMousePos = mousePos;
1873 hWndOldCapture = GetCapture();
1874 ReleaseCapture();
1875 GetWindowRect(pWnd->hwndSelf, &screenRect);
1876 ClientToScreen(pWnd->hwndSelf, &screenMousePos);
1877
1878 if(!PtInRect(&screenRect, screenMousePos))
1879 {
1880 /* Close The Drop Down */
1881 SEND_NOTIFICATION( pWnd, pDescr, LBN_SELCANCEL );
1882 return 0;
1883 }
1884 else
1885 {
1886 /* Check to see the NC is a scrollbar */
1887 INT nHitTestType=0;
1888 /* Check Vertical scroll bar */
1889 if (pWnd->dwStyle & WS_VSCROLL)
1890 {
1891 clientRect.right += GetSystemMetrics(SM_CXVSCROLL);
1892 if (PtInRect( &clientRect, mousePos ))
1893 {
1894 nHitTestType = HTVSCROLL;
1895 }
1896 }
1897 /* Check horizontal scroll bar */
1898 if (pWnd->dwStyle & WS_HSCROLL)
1899 {
1900 clientRect.bottom += GetSystemMetrics(SM_CYHSCROLL);
1901 if (PtInRect( &clientRect, mousePos ))
1902 {
1903 nHitTestType = HTHSCROLL;
1904 }
1905 }
1906 /* Windows sends this message when a scrollbar is clicked
1907 */
1908
1909 if(nHitTestType != 0)
1910 {
1911 SendMessageA(pWnd->hwndSelf, WM_NCLBUTTONDOWN, nHitTestType,
1912 MAKELONG(screenMousePos.x, screenMousePos.y));
1913 }
1914 /* Resume the Capture after scrolling is complete
1915 */
1916 if(hWndOldCapture != 0)
1917 {
1918 SetCapture(hWndOldCapture);
1919 }
1920 }
1921 }
1922 return 0;
1923 }
1924
1925 /***********************************************************************
1926 * LISTBOX_HandleLButtonUp
1927 */
1928 static LRESULT LISTBOX_HandleLButtonUp( WND *wnd, LB_DESCR *descr )
1929 {
1930 if (LISTBOX_Timer != LB_TIMER_NONE)
1931 KillSystemTimer( wnd->hwndSelf, LB_TIMER_ID );
1932 LISTBOX_Timer = LB_TIMER_NONE;
1933 if (descr->captured)
1934 {
1935 descr->captured = FALSE;
1936 if (GetCapture() == wnd->hwndSelf) ReleaseCapture();
1937 if ((descr->style & LBS_NOTIFY) && descr->nb_items)
1938 SEND_NOTIFICATION( wnd, descr, LBN_SELCHANGE );
1939 }
1940 return 0;
1941 }
1942
1943
1944 /***********************************************************************
1945 * LISTBOX_HandleTimer
1946 *
1947 * Handle scrolling upon a timer event.
1948 * Return TRUE if scrolling should continue.
1949 */
1950 static LRESULT LISTBOX_HandleTimer( WND *wnd, LB_DESCR *descr,
1951 INT index, TIMER_DIRECTION dir )
1952 {
1953 switch(dir)
1954 {
1955 case LB_TIMER_UP:
1956 if (descr->top_item) index = descr->top_item - 1;
1957 else index = 0;
1958 break;
1959 case LB_TIMER_LEFT:
1960 if (descr->top_item) index -= descr->page_size;
1961 break;
1962 case LB_TIMER_DOWN:
1963 index = descr->top_item + LISTBOX_GetCurrentPageSize( wnd, descr );
1964 if (index == descr->focus_item) index++;
1965 if (index >= descr->nb_items) index = descr->nb_items - 1;
1966 break;
1967 case LB_TIMER_RIGHT:
1968 if (index + descr->page_size < descr->nb_items)
1969 index += descr->page_size;
1970 break;
1971 case LB_TIMER_NONE:
1972 break;
1973 }
1974 if (index == descr->focus_item) return FALSE;
1975 LISTBOX_MoveCaret( wnd, descr, index, FALSE );
1976 return TRUE;
1977 }
1978
1979
1980 /***********************************************************************
1981 * LISTBOX_HandleSystemTimer
1982 *
1983 * WM_SYSTIMER handler.
1984 */
1985 static LRESULT LISTBOX_HandleSystemTimer( WND *wnd, LB_DESCR *descr )
1986 {
1987 if (!LISTBOX_HandleTimer( wnd, descr, descr->focus_item, LISTBOX_Timer ))
1988 {
1989 KillSystemTimer( wnd->hwndSelf, LB_TIMER_ID );
1990 LISTBOX_Timer = LB_TIMER_NONE;
1991 }
1992 return 0;
1993 }
1994
1995
1996 /***********************************************************************
1997 * LISTBOX_HandleMouseMove
1998 *
1999 * WM_MOUSEMOVE handler.
2000 */
2001 static void LISTBOX_HandleMouseMove( WND *wnd, LB_DESCR *descr,
2002 INT x, INT y )
2003 {
2004 INT index;
2005 TIMER_DIRECTION dir;
2006
2007 if (!descr->captured) return;
2008
2009 if (descr->style & LBS_MULTICOLUMN)
2010 {
2011 if (y < 0) y = 0;
2012 else if (y >= descr->item_height * descr->page_size)
2013 y = descr->item_height * descr->page_size - 1;
2014
2015 if (x < 0)
2016 {
2017 dir = LB_TIMER_LEFT;
2018 x = 0;
2019 }
2020 else if (x >= descr->width)
2021 {
2022 dir = LB_TIMER_RIGHT;
2023 x = descr->width - 1;
2024 }
2025 else dir = LB_TIMER_NONE; /* inside */
2026 }
2027 else
2028 {
2029 if (y < 0) dir = LB_TIMER_UP; /* above */
2030 else if (y >= descr->height) dir = LB_TIMER_DOWN; /* below */
2031 else dir = LB_TIMER_NONE; /* inside */
2032 }
2033
2034 index = LISTBOX_GetItemFromPoint( wnd, descr, x, y );
2035 if (index == -1) index = descr->focus_item;
2036 if (!LISTBOX_HandleTimer( wnd, descr, index, dir )) dir = LB_TIMER_NONE;
2037
2038 /* Start/stop the system timer */
2039
2040 if (dir != LB_TIMER_NONE)
2041 SetSystemTimer( wnd->hwndSelf, LB_TIMER_ID, LB_SCROLL_TIMEOUT, NULL);
2042 else if (LISTBOX_Timer != LB_TIMER_NONE)
2043 KillSystemTimer( wnd->hwndSelf, LB_TIMER_ID );
2044 LISTBOX_Timer = dir;
2045 }
2046
2047
2048 /***********************************************************************
2049 * LISTBOX_HandleKeyDown
2050 */
2051 static LRESULT LISTBOX_HandleKeyDown( WND *wnd, LB_DESCR *descr, WPARAM wParam )
2052 {
2053 INT caret = -1;
2054 BOOL bForceSelection = TRUE; /* select item pointed to by focus_item */
2055 if ((IS_MULTISELECT(descr)) || (descr->selected_item == descr->focus_item))
2056 bForceSelection = FALSE; /* only for single select list */
2057
2058 if (descr->style & LBS_WANTKEYBOARDINPUT)
2059 {
2060 caret = SendMessageA( descr->owner, WM_VKEYTOITEM,
2061 MAKEWPARAM(LOWORD(wParam), descr->focus_item),
2062 wnd->hwndSelf );
2063 if (caret == -2) return 0;
2064 }
2065 if (caret == -1) switch(wParam)
2066 {
2067 case VK_LEFT:
2068 if (descr->style & LBS_MULTICOLUMN)
2069 {
2070 bForceSelection = FALSE;
2071 if (descr->focus_item >= descr->page_size)
2072 caret = descr->focus_item - descr->page_size;
2073 break;
2074 }
2075 /* fall through */
2076 case VK_UP:
2077 caret = descr->focus_item - 1;
2078 if (caret < 0) caret = 0;
2079 break;
2080 case VK_RIGHT:
2081 if (descr->style & LBS_MULTICOLUMN)
2082 {
2083 bForceSelection = FALSE;
2084 if (descr->focus_item + descr->page_size < descr->nb_items)
2085 caret = descr->focus_item + descr->page_size;
2086 break;
2087 }
2088 /* fall through */
2089 case VK_DOWN:
2090 caret = descr->focus_item + 1;
2091 if (caret >= descr->nb_items) caret = descr->nb_items - 1;
2092 break;
2093
2094 case VK_PRIOR:
2095 if (descr->style & LBS_MULTICOLUMN)
2096 {
2097 INT page = descr->width / descr->column_width;
2098 if (page < 1) page = 1;
2099 caret = descr->focus_item - (page * descr->page_size) + 1;
2100 }
2101 else caret = descr->focus_item-LISTBOX_GetCurrentPageSize(wnd,descr)+1;
2102 if (caret < 0) caret = 0;
2103 break;
2104 case VK_NEXT:
2105 if (descr->style & LBS_MULTICOLUMN)
2106 {
2107 INT page = descr->width / descr->column_width;
2108 if (page < 1) page = 1;
2109 caret = descr->focus_item + (page * descr->page_size) - 1;
2110 }
2111 else caret = descr->focus_item+LISTBOX_GetCurrentPageSize(wnd,descr)-1;
2112 if (caret >= descr->nb_items) caret = descr->nb_items - 1;
2113 break;
2114 case VK_HOME:
2115 caret = 0;
2116 break;
2117 case VK_END:
2118 caret = descr->nb_items - 1;
2119 break;
2120 case VK_SPACE:
2121 if (descr->style & LBS_EXTENDEDSEL) caret = descr->focus_item;
2122 else if (descr->style & LBS_MULTIPLESEL)
2123 {
2124 LISTBOX_SetSelection( wnd, descr, descr->focus_item,
2125 !descr->items[descr->focus_item].selected,
2126 (descr->style & LBS_NOTIFY) != 0 );
2127 }
2128 break;
2129 default:
2130 bForceSelection = FALSE;
2131 }
2132 if (bForceSelection) /* focused item is used instead of key */
2133 caret = descr->focus_item;
2134 if (caret >= 0)
2135 {
2136 if ((descr->style & LBS_EXTENDEDSEL) &&
2137 !(GetKeyState( VK_SHIFT ) & 0x8000))
2138 descr->anchor_item = caret;
2139 LISTBOX_MoveCaret( wnd, descr, caret, TRUE );
2140 LISTBOX_SetSelection( wnd, descr, caret, TRUE, FALSE);
2141 if (descr->style & LBS_NOTIFY)
2142 {
2143 if( descr->lphc && CB_GETTYPE(descr->lphc) != CBS_SIMPLE )
2144 {
2145 /* make sure that combo parent doesn't hide us */
2146 descr->lphc->wState |= CBF_NOROLLUP;
2147 }
2148 if (descr->nb_items) SEND_NOTIFICATION( wnd, descr, LBN_SELCHANGE );
2149 }
2150 }
2151 return 0;
2152 }
2153
2154
2155 /***********************************************************************
2156 * LISTBOX_HandleChar
2157 */
2158 static LRESULT LISTBOX_HandleChar( WND *wnd, LB_DESCR *descr,
2159 WPARAM wParam )
2160 {
2161 INT caret = -1;
2162 char str[2];
2163
2164 str[0] = wParam & 0xff;
2165 str[1] = '\0';
2166
2167 if (descr->style & LBS_WANTKEYBOARDINPUT)
2168 {
2169 caret = SendMessageA( descr->owner, WM_CHARTOITEM,
2170 MAKEWPARAM(LOWORD(wParam), descr->focus_item),
2171 wnd->hwndSelf );
2172 if (caret == -2) return 0;
2173 }
2174 if (caret == -1)
2175 caret = LISTBOX_FindString( wnd, descr, descr->focus_item, str, FALSE);
2176 if (caret != -1)
2177 {
2178 if ((!IS_MULTISELECT(descr)) && descr->selected_item == -1)
2179 LISTBOX_SetSelection( wnd, descr, caret, TRUE, FALSE);
2180 LISTBOX_MoveCaret( wnd, descr, caret, TRUE );
2181 if ((descr->style & LBS_NOTIFY) && descr->nb_items)
2182 SEND_NOTIFICATION( wnd, descr, LBN_SELCHANGE );
2183 }
2184 return 0;
2185 }
2186
2187
2188 /***********************************************************************
2189 * LISTBOX_Create
2190 */
2191 static BOOL LISTBOX_Create( WND *wnd, LPHEADCOMBO lphc )
2192 {
2193 LB_DESCR *descr;
2194 MEASUREITEMSTRUCT mis;
2195 RECT rect;
2196
2197 if (!(descr = HeapAlloc( GetProcessHeap(), 0, sizeof(*descr) )))
2198 return FALSE;
2199 if (!(descr->heap = HeapCreate( 0, 0x10000, 0 )))
2200 {
2201 HeapFree( GetProcessHeap(), 0, descr );
2202 return FALSE;
2203 }
2204 GetClientRect( wnd->hwndSelf, &rect );
2205 descr->owner = GetParent( wnd->hwndSelf );
2206 descr->style = wnd->dwStyle;
2207 descr->width = rect.right - rect.left;
2208 descr->height = rect.bottom - rect.top;
2209 descr->items = NULL;
2210 descr->nb_items = 0;
2211 descr->top_item = 0;
2212 descr->selected_item = -1;
2213 descr->focus_item = 0;
2214 descr->anchor_item = -1;
2215 descr->item_height = 1;
2216 descr->page_size = 1;
2217 descr->column_width = 150;
2218 descr->horz_extent = (wnd->dwStyle & WS_HSCROLL) ? 1 : 0;
2219 descr->horz_pos = 0;
2220 descr->nb_tabs = 0;
2221 descr->tabs = NULL;
2222 descr->caret_on = TRUE;
2223 descr->captured = FALSE;
2224 descr->font = 0;
2225 descr->locale = 0; /* FIXME */
2226 descr->lphc = lphc;
2227
2228 if( ( GetExpWinVer16( wnd->hInstance ) & 0xFF00 ) == 0x0300
2229 && ( descr->style & ( WS_VSCROLL | WS_HSCROLL ) ) )
2230 {
2231 /* Win95 document "List Box Differences" from MSDN:
2232 If a list box in a version 3.x application has either the
2233 WS_HSCROLL or WS_VSCROLL style, the list box receives both
2234 horizontal and vertical scroll bars.
2235 */
2236 descr->style |= WS_VSCROLL | WS_HSCROLL;
2237 }
2238
2239 if( lphc )
2240 {
2241 TRACE_(combo)("[%04x]: resetting owner %04x -> %04x\n",
2242 wnd->hwndSelf, descr->owner, lphc->self->hwndSelf );
2243 descr->owner = lphc->self->hwndSelf;
2244 }
2245
2246 *(LB_DESCR **)wnd->wExtra = descr;
2247
2248 /* if (wnd->dwExStyle & WS_EX_NOPARENTNOTIFY) descr->style &= ~LBS_NOTIFY;
2249 */
2250 if (descr->style & LBS_EXTENDEDSEL) descr->style |= LBS_MULTIPLESEL;
2251 if (descr->style & LBS_MULTICOLUMN) descr->style &= ~LBS_OWNERDRAWVARIABLE;
2252 if (descr->style & LBS_OWNERDRAWVARIABLE) descr->style |= LBS_NOINTEGRALHEIGHT;
2253 descr->item_height = LISTBOX_SetFont( wnd, descr, 0 );
2254
2255 if (descr->style & LBS_OWNERDRAWFIXED)
2256 {
2257 if( descr->lphc && (descr->lphc->dwStyle & CBS_DROPDOWN))
2258 {
2259 /* WinWord gets VERY unhappy if we send WM_MEASUREITEM from here */
2260 descr->item_height = lphc->fixedOwnerDrawHeight;
2261 }
2262 else
2263 {
2264 UINT id = (descr->lphc ) ? ID_CB_LISTBOX : wnd->wIDmenu;
2265
2266 mis.CtlType = ODT_LISTBOX;
2267 mis.CtlID = id;
2268 mis.itemID = -1;
2269 mis.itemWidth = 0;
2270 mis.itemData = 0;
2271 mis.itemHeight = descr->item_height;
2272 SendMessageA( descr->owner, WM_MEASUREITEM, id, (LPARAM)&mis );
2273 descr->item_height = mis.itemHeight ? mis.itemHeight : 1;
2274 }
2275 }
2276
2277 return TRUE;
2278 }
2279
2280
2281 /***********************************************************************
2282 * LISTBOX_Destroy
2283 */
2284 static BOOL LISTBOX_Destroy( WND *wnd, LB_DESCR *descr )
2285 {
2286 LISTBOX_ResetContent( wnd, descr );
2287 HeapDestroy( descr->heap );
2288 HeapFree( GetProcessHeap(), 0, descr );
2289 wnd->wExtra[0] = 0;
2290 return TRUE;
2291 }
2292
2293
2294 /***********************************************************************
2295 * ListBoxWndProc
2296 */
2297 static inline LRESULT WINAPI ListBoxWndProc_locked( WND* wnd, UINT msg,
2298 WPARAM wParam, LPARAM lParam )
2299 {
2300 LRESULT ret;
2301 LB_DESCR *descr;
2302 HWND hwnd = wnd->hwndSelf;
2303
2304 if (!wnd) return 0;
2305 if (!(descr = *(LB_DESCR **)wnd->wExtra))
2306 {
2307 switch (msg)
2308 {
2309 case WM_CREATE:
2310 {
2311 if (!LISTBOX_Create( wnd, NULL ))
2312 return -1;
2313 TRACE("creating wnd=%04x descr=%p\n",
2314 hwnd, *(LB_DESCR **)wnd->wExtra );
2315 return 0;
2316 }
2317 case WM_NCCREATE:
2318 {
2319 /*
2320 * When a listbox is not in a combobox and the look
2321 * is win95, the WS_BORDER style is replaced with
2322 * the WS_EX_CLIENTEDGE style.
2323 */
2324 if ( (TWEAK_WineLook > WIN31_LOOK) &&
2325 (wnd->dwStyle & WS_BORDER) )
2326 {
2327 wnd->dwExStyle |= WS_EX_CLIENTEDGE;
2328 wnd->dwStyle &= ~ WS_BORDER;
2329 }
2330 }
2331 }
2332
2333 /* Ignore all other messages before we get a WM_CREATE */
2334 return DefWindowProcA( hwnd, msg, wParam, lParam );
2335 }
2336
2337 TRACE("[%04x]: msg %s wp %08x lp %08lx\n",
2338 wnd->hwndSelf, SPY_GetMsgName(msg), wParam, lParam );
2339 switch(msg)
2340 {
2341 case LB_RESETCONTENT16:
2342 case LB_RESETCONTENT:
2343 LISTBOX_ResetContent( wnd, descr );
2344 return 0;
2345
2346 case LB_ADDSTRING16:
2347 if (HAS_STRINGS(descr)) lParam = (LPARAM)PTR_SEG_TO_LIN(lParam);
2348 /* fall through */
2349 case LB_ADDSTRING:
2350 wParam = LISTBOX_FindStringPos( wnd, descr, (LPCSTR)lParam, FALSE );
2351 return LISTBOX_InsertString( wnd, descr, wParam, (LPCSTR)lParam );
2352
2353 case LB_INSERTSTRING16:
2354 if (HAS_STRINGS(descr)) lParam = (LPARAM)PTR_SEG_TO_LIN(lParam);
2355 wParam = (INT)(INT16)wParam;
2356 /* fall through */
2357 case LB_INSERTSTRING:
2358 return LISTBOX_InsertString( wnd, descr, wParam, (LPCSTR)lParam );
2359
2360 case LB_ADDFILE16:
2361 if (HAS_STRINGS(descr)) lParam = (LPARAM)PTR_SEG_TO_LIN(lParam);
2362 /* fall through */
2363 case LB_ADDFILE:
2364 wParam = LISTBOX_FindFileStrPos( wnd, descr, (LPCSTR)lParam );
2365 return LISTBOX_InsertString( wnd, descr, wParam, (LPCSTR)lParam );
2366
2367 case LB_DELETESTRING16:
2368 case LB_DELETESTRING:
2369 if (LISTBOX_RemoveItem( wnd, descr, wParam) != LB_ERR)
2370 return descr->nb_items;
2371 else
2372 return LB_ERR;
2373
2374 case LB_GETITEMDATA16:
2375 case LB_GETITEMDATA:
2376 if (((INT)wParam < 0) || ((INT)wParam >= descr->nb_items))
2377 return LB_ERR;
2378 return descr->items[wParam].data;
2379
2380 case LB_SETITEMDATA16:
2381 case LB_SETITEMDATA:
2382 if (((INT)wParam < 0) || ((INT)wParam >= descr->nb_items))
2383 return LB_ERR;
2384 descr->items[wParam].data = (DWORD)lParam;
2385 return LB_OKAY;
2386
2387 case LB_GETCOUNT16:
2388 case LB_GETCOUNT:
2389 return descr->nb_items;
2390
2391 case LB_GETTEXT16:
2392 lParam = (LPARAM)PTR_SEG_TO_LIN(lParam);
2393 /* fall through */
2394 case LB_GETTEXT:
2395 return LISTBOX_GetText( wnd, descr, wParam, (LPSTR)lParam );
2396
2397 case LB_GETTEXTLEN16:
2398 /* fall through */
2399 case LB_GETTEXTLEN:
2400 if (wParam >= descr->nb_items)
2401 return LB_ERR;
2402 return (HAS_STRINGS(descr) ? strlen(descr->items[wParam].str)
2403 : sizeof(DWORD));
2404
2405 case LB_GETCURSEL16:
2406 case LB_GETCURSEL:
2407 if (descr->nb_items==0)
2408 return LB_ERR;
2409 if (!IS_MULTISELECT(descr))
2410 return descr->selected_item;
2411 /* else */
2412 if (descr->selected_item!=-1)
2413 return descr->selected_item;
2414 /* else */
2415 return descr->focus_item;
2416 /* otherwise, if the user tries to move the selection with the */
2417 /* arrow keys, we will give the application something to choke on */
2418 case LB_GETTOPINDEX16:
2419 case LB_GETTOPINDEX:
2420 return descr->top_item;
2421
2422 case LB_GETITEMHEIGHT16:
2423 case LB_GETITEMHEIGHT:
2424 return LISTBOX_GetItemHeight( wnd, descr, wParam );
2425
2426 case LB_SETITEMHEIGHT16:
2427 lParam = LOWORD(lParam);
2428 /* fall through */
2429 case LB_SETITEMHEIGHT:
2430 return LISTBOX_SetItemHeight( wnd, descr, wParam, lParam );
2431
2432 case LB_ITEMFROMPOINT:
2433 {
2434 POINT pt;
2435 RECT rect;
2436
2437 pt.x = LOWORD(lParam);
2438 pt.y = HIWORD(lParam);
2439 rect.left = 0;
2440 rect.top = 0;
2441 rect.right = descr->width;
2442 rect.bottom = descr->height;
2443
2444 return MAKELONG( LISTBOX_GetItemFromPoint(wnd, descr, pt.x, pt.y),
2445 !PtInRect( &rect, pt ) );
2446 }
2447
2448 case LB_SETCARETINDEX16:
2449 case LB_SETCARETINDEX:
2450 if ((!IS_MULTISELECT(descr)) && (descr->selected_item != -1)) return LB_ERR;
2451 if (LISTBOX_SetCaretIndex( wnd, descr, wParam, !lParam ) == LB_ERR)
2452 return LB_ERR;
2453 else if (ISWIN31)
2454 return wParam;
2455 else
2456 return LB_OKAY;
2457
2458 case LB_GETCARETINDEX16:
2459 case LB_GETCARETINDEX:
2460 return descr->focus_item;
2461
2462 case LB_SETTOPINDEX16:
2463 case LB_SETTOPINDEX:
2464 return LISTBOX_SetTopItem( wnd, descr, wParam, TRUE );
2465
2466 case LB_SETCOLUMNWIDTH16:
2467 case LB_SETCOLUMNWIDTH:
2468 return LISTBOX_SetColumnWidth( wnd, descr, wParam );
2469
2470 case LB_GETITEMRECT16:
2471 {
2472 RECT rect;
2473 ret = LISTBOX_GetItemRect( wnd, descr, (INT16)wParam, &rect );
2474 CONV_RECT32TO16( &rect, (RECT16 *)PTR_SEG_TO_LIN(lParam) );
2475 }
2476 return ret;
2477
2478 case LB_GETITEMRECT:
2479 return LISTBOX_GetItemRect( wnd, descr, wParam, (RECT *)lParam );
2480
2481 case LB_FINDSTRING16:
2482 wParam = (INT)(INT16)wParam;
2483 if (HAS_STRINGS(descr)) lParam = (LPARAM)PTR_SEG_TO_LIN(lParam);
2484 /* fall through */
2485 case LB_FINDSTRING:
2486 return LISTBOX_FindString( wnd, descr, wParam, (LPCSTR)lParam, FALSE );
2487
2488 case LB_FINDSTRINGEXACT16:
2489 wParam = (INT)(INT16)wParam;
2490 if (HAS_STRINGS(descr)) lParam = (LPARAM)PTR_SEG_TO_LIN(lParam);
2491 /* fall through */
2492 case LB_FINDSTRINGEXACT:
2493 return LISTBOX_FindString( wnd, descr, wParam, (LPCSTR)lParam, TRUE );
2494
2495 case LB_SELECTSTRING16:
2496 wParam = (INT)(INT16)wParam;
2497 if (HAS_STRINGS(descr)) lParam = (LPARAM)PTR_SEG_TO_LIN(lParam);
2498 /* fall through */
2499 case LB_SELECTSTRING:
2500 {
2501 INT index = LISTBOX_FindString( wnd, descr, wParam,
2502 (LPCSTR)lParam, FALSE );
2503 if (index == LB_ERR)
2504 return LB_ERR;
2505 LISTBOX_SetSelection( wnd, descr, index, TRUE, FALSE );
2506 return index;
2507 }
2508
2509 case LB_GETSEL16:
2510 wParam = (INT)(INT16)wParam;
2511 /* fall through */
2512 case LB_GETSEL:
2513 if (((INT)wParam < 0) || ((INT)wParam >= descr->nb_items))
2514 return LB_ERR;
2515 return descr->items[wParam].selected;
2516
2517 case LB_SETSEL16:
2518 lParam = (INT)(INT16)lParam;
2519 /* fall through */
2520 case LB_SETSEL:
2521 return LISTBOX_SetSelection( wnd, descr, lParam, wParam, FALSE );
2522
2523 case LB_SETCURSEL16:
2524 wParam = (INT)(INT16)wParam;
2525 /* fall through */
2526 case LB_SETCURSEL:
2527 if (IS_MULTISELECT(descr)) return LB_ERR;
2528 LISTBOX_SetCaretIndex( wnd, descr, wParam, TRUE );
2529 return LISTBOX_SetSelection( wnd, descr, wParam, TRUE, FALSE );
2530
2531 case LB_GETSELCOUNT16:
2532 case LB_GETSELCOUNT:
2533 return LISTBOX_GetSelCount( wnd, descr );
2534
2535 case LB_GETSELITEMS16:
2536 return LISTBOX_GetSelItems16( wnd, descr, wParam,
2537 (LPINT16)PTR_SEG_TO_LIN(lParam) );
2538
2539 case LB_GETSELITEMS:
2540 return LISTBOX_GetSelItems( wnd, descr, wParam, (LPINT)lParam );
2541
2542 case LB_SELITEMRANGE16:
2543 case LB_SELITEMRANGE:
2544 if (LOWORD(lParam) <= HIWORD(lParam))
2545 return LISTBOX_SelectItemRange( wnd, descr, LOWORD(lParam),
2546 HIWORD(lParam), wParam );
2547 else
2548 return LISTBOX_SelectItemRange( wnd, descr, HIWORD(lParam),
2549 LOWORD(lParam), wParam );
2550
2551 case LB_SELITEMRANGEEX16:
2552 case LB_SELITEMRANGEEX:
2553 if ((INT)lParam >= (INT)wParam)
2554 return LISTBOX_SelectItemRange( wnd, descr, wParam, lParam, TRUE );
2555 else
2556 return LISTBOX_SelectItemRange( wnd, descr, lParam, wParam, FALSE);
2557
2558 case LB_GETHORIZONTALEXTENT16:
2559 case LB_GETHORIZONTALEXTENT:
2560 return descr->horz_extent;
2561
2562 case LB_SETHORIZONTALEXTENT16:
2563 case LB_SETHORIZONTALEXTENT:
2564 return LISTBOX_SetHorizontalExtent( wnd, descr, wParam );
2565
2566 case LB_GETANCHORINDEX16:
2567 case LB_GETANCHORINDEX:
2568 return descr->anchor_item;
2569
2570 case LB_SETANCHORINDEX16:
2571 wParam = (INT)(INT16)wParam;
2572 /* fall through */
2573 case LB_SETANCHORINDEX:
2574 if (((INT)wParam < -1) || ((INT)wParam >= descr->nb_items))
2575 return LB_ERR;
2576 descr->anchor_item = (INT)wParam;
2577 return LB_OKAY;
2578
2579 case LB_DIR16:
2580 return LISTBOX_Directory( wnd, descr, wParam,
2581 (LPCSTR)PTR_SEG_TO_LIN(lParam), FALSE );
2582
2583 case LB_DIR:
2584 return LISTBOX_Directory( wnd, descr, wParam, (LPCSTR)lParam, TRUE );
2585
2586 case LB_GETLOCALE:
2587 return descr->locale;
2588
2589 case LB_SETLOCALE:
2590 descr->locale = (LCID)wParam; /* FIXME: should check for valid lcid */
2591 return LB_OKAY;
2592
2593 case LB_INITSTORAGE:
2594 return LISTBOX_InitStorage( wnd, descr, wParam, (DWORD)lParam );
2595
2596 case LB_SETCOUNT:
2597 return LISTBOX_SetCount( wnd, descr, (INT)wParam );
2598
2599 case LB_SETTABSTOPS16:
2600 return LISTBOX_SetTabStops( wnd, descr, (INT)(INT16)wParam,
2601 (LPINT)PTR_SEG_TO_LIN(lParam), TRUE );
2602
2603 case LB_SETTABSTOPS:
2604 return LISTBOX_SetTabStops( wnd, descr, wParam, (LPINT)lParam, FALSE );
2605
2606 case LB_CARETON16:
2607 case LB_CARETON:
2608 if (descr->caret_on)
2609 return LB_OKAY;
2610 descr->caret_on = TRUE;
2611 if ((descr->focus_item != -1) && (GetFocus() == wnd->hwndSelf))
2612 LISTBOX_RepaintItem( wnd, descr, descr->focus_item, ODA_FOCUS );
2613 return LB_OKAY;
2614
2615 case LB_CARETOFF16:
2616 case LB_CARETOFF:
2617 if (!descr->caret_on)
2618 return LB_OKAY;
2619 descr->caret_on = FALSE;
2620 if ((descr->focus_item != -1) && (GetFocus() == wnd->hwndSelf))
2621 LISTBOX_RepaintItem( wnd, descr, descr->focus_item, ODA_FOCUS );
2622 return LB_OKAY;
2623
2624 case WM_DESTROY:
2625 return LISTBOX_Destroy( wnd, descr );
2626
2627 case WM_ENABLE:
2628 InvalidateRect( hwnd, NULL, TRUE );
2629 return 0;
2630
2631 case WM_SETREDRAW:
2632 LISTBOX_SetRedraw( wnd, descr, wParam != 0 );
2633 return 0;
2634
2635 case WM_GETDLGCODE:
2636 return DLGC_WANTARROWS | DLGC_WANTCHARS;
2637
2638 case WM_PAINT:
2639 {
2640 PAINTSTRUCT ps;
2641 HDC hdc = ( wParam ) ? ((HDC)wParam)
2642 : BeginPaint( hwnd, &ps );
2643 ret = LISTBOX_Paint( wnd, descr, hdc );
2644 if( !wParam ) EndPaint( hwnd, &ps );
2645 }
2646 return ret;
2647 case WM_SIZE:
2648 LISTBOX_UpdateSize( wnd, descr );
2649 return 0;
2650 case WM_GETFONT:
2651 return descr->font;
2652 case WM_SETFONT:
2653 LISTBOX_SetFont( wnd, descr, (HFONT)wParam );
2654 if (lParam) InvalidateRect( wnd->hwndSelf, 0, TRUE );
2655 return 0;
2656 case WM_SETFOCUS:
2657 descr->caret_on = TRUE;
2658 if (descr->focus_item != -1)
2659 LISTBOX_RepaintItem( wnd, descr, descr->focus_item, ODA_FOCUS );
2660 SEND_NOTIFICATION( wnd, descr, LBN_SETFOCUS );
2661 return 0;
2662 case WM_KILLFOCUS:
2663 if ((descr->focus_item != -1) && descr->caret_on)
2664 LISTBOX_RepaintItem( wnd, descr, descr->focus_item, ODA_FOCUS );
2665 SEND_NOTIFICATION( wnd, descr, LBN_KILLFOCUS );
2666 return 0;
2667 case WM_HSCROLL:
2668 return LISTBOX_HandleHScroll( wnd, descr, wParam, lParam );
2669 case WM_VSCROLL:
2670 return LISTBOX_HandleVScroll( wnd, descr, wParam, lParam );
2671 case WM_LBUTTONDOWN:
2672 return LISTBOX_HandleLButtonDown( wnd, descr, wParam,
2673 (INT16)LOWORD(lParam),
2674 (INT16)HIWORD(lParam) );
2675 case WM_LBUTTONDBLCLK:
2676 if (descr->style & LBS_NOTIFY)
2677 SEND_NOTIFICATION( wnd, descr, LBN_DBLCLK );
2678 return 0;
2679 case WM_MOUSEMOVE:
2680 if (GetCapture() == hwnd)
2681 LISTBOX_HandleMouseMove( wnd, descr, (INT16)LOWORD(lParam),
2682 (INT16)HIWORD(lParam) );
2683 return 0;
2684 case WM_LBUTTONUP:
2685 return LISTBOX_HandleLButtonUp( wnd, descr );
2686 case WM_KEYDOWN:
2687 return LISTBOX_HandleKeyDown( wnd, descr, wParam );
2688 case WM_CHAR:
2689 return LISTBOX_HandleChar( wnd, descr, wParam );
2690 case WM_SYSTIMER:
2691 return LISTBOX_HandleSystemTimer( wnd, descr );
2692 case WM_ERASEBKGND:
2693 if (IS_OWNERDRAW(descr))
2694 {
2695 RECT rect;
2696 HBRUSH hbrush = SendMessageA( descr->owner, WM_CTLCOLORLISTBOX,
2697 wParam, (LPARAM)wnd->hwndSelf );
2698 GetClientRect(hwnd, &rect);
2699 if (hbrush) FillRect( (HDC)wParam, &rect, hbrush );
2700 }
2701 return 1;
2702 case WM_DROPFILES:
2703 if( !descr->lphc )
2704 return SendMessageA( descr->owner, msg, wParam, lParam );
2705 break;
2706
2707 case WM_DROPOBJECT:
2708 case WM_QUERYDROPOBJECT:
2709 case WM_DRAGSELECT:
2710 case WM_DRAGMOVE:
2711 if( !descr->lphc )
2712 {
2713 LPDRAGINFO dragInfo = (LPDRAGINFO)PTR_SEG_TO_LIN( (SEGPTR)lParam );
2714 dragInfo->l = LISTBOX_GetItemFromPoint( wnd, descr, dragInfo->pt.x,
2715 dragInfo->pt.y );
2716 return SendMessageA( descr->owner, msg, wParam, lParam );
2717 }
2718 break;
2719
2720 default:
2721 if ((msg >= WM_USER) && (msg < 0xc000))
2722 WARN("[%04x]: unknown msg %04x wp %08x lp %08lx\n",
2723 hwnd, msg, wParam, lParam );
2724 return DefWindowProcA( hwnd, msg, wParam, lParam );
2725 }
2726 return 0;
2727 }
2728
2729 /***********************************************************************
2730 * ListBoxWndProc
2731 *
2732 * This is just a wrapper for the real wndproc, it only does window locking
2733 * and unlocking.
2734 */
2735 LRESULT WINAPI ListBoxWndProc( HWND hwnd, UINT msg,
2736 WPARAM wParam, LPARAM lParam )
2737 {
2738 WND* wndPtr = WIN_FindWndPtr( hwnd );
2739 LRESULT res = ListBoxWndProc_locked(wndPtr,msg,wParam,lParam);
2740
2741 WIN_ReleaseWndPtr(wndPtr);
2742 return res;
2743 }
2744
2745 /***********************************************************************
2746 * COMBO_Directory
2747 */
2748 LRESULT COMBO_Directory( LPHEADCOMBO lphc, UINT attrib, LPSTR dir, BOOL bLong)
2749 {
2750 WND *wnd = WIN_FindWndPtr( lphc->hWndLBox );
2751
2752 if( wnd )
2753 {
2754 LB_DESCR *descr = *(LB_DESCR **)wnd->wExtra;
2755 if( descr )
2756 {
2757 LRESULT lRet = LISTBOX_Directory( wnd, descr, attrib, dir, bLong );
2758
2759 RedrawWindow( lphc->self->hwndSelf, NULL, 0,
2760 RDW_INVALIDATE | RDW_ERASE | RDW_UPDATENOW );
2761 WIN_ReleaseWndPtr(wnd);
2762 return lRet;
2763 }
2764 WIN_ReleaseWndPtr(wnd);
2765 }
2766 return CB_ERR;
2767 }
2768
2769 /***********************************************************************
2770 * ComboLBWndProc_locked
2771 *
2772 * The real combo listbox wndproc, but called with locked WND struct.
2773 */
2774 static inline LRESULT WINAPI ComboLBWndProc_locked( WND* wnd, UINT msg,
2775 WPARAM wParam, LPARAM lParam )
2776 {
2777 LRESULT lRet = 0;
2778 HWND hwnd = wnd->hwndSelf;
2779
2780 if (wnd)
2781 {
2782 LB_DESCR *descr = *(LB_DESCR **)wnd->wExtra;
2783
2784 TRACE_(combo)("[%04x]: msg %s wp %08x lp %08lx\n",
2785 wnd->hwndSelf, SPY_GetMsgName(msg), wParam, lParam );
2786
2787 if( descr || msg == WM_CREATE )
2788 {
2789 LPHEADCOMBO lphc = (descr) ? descr->lphc : NULL;
2790
2791 switch( msg )
2792 {
2793 case WM_CREATE:
2794 #define lpcs ((LPCREATESTRUCTA)lParam)
2795 TRACE_(combo)("\tpassed parent handle = 0x%08x\n",
2796 (UINT)lpcs->lpCreateParams);
2797
2798 lphc = (LPHEADCOMBO)(lpcs->lpCreateParams);
2799 #undef lpcs
2800 return LISTBOX_Create( wnd, lphc );
2801 case WM_MOUSEMOVE:
2802 if ( (TWEAK_WineLook > WIN31_LOOK) &&
2803 (CB_GETTYPE(lphc) != CBS_SIMPLE) )
2804 {
2805 POINT mousePos;
2806 BOOL captured;
2807 RECT clientRect;
2808
2809 mousePos.x = (INT16)LOWORD(lParam);
2810 mousePos.y = (INT16)HIWORD(lParam);
2811
2812 /*
2813 * If we are in a dropdown combobox, we simulate that
2814 * the mouse is captured to show the tracking of the item.
2815 */
2816 GetClientRect(hwnd, &clientRect);
2817
2818 if (PtInRect( &clientRect, mousePos ))
2819 {
2820 captured = descr->captured;
2821 descr->captured = TRUE;
2822
2823 LISTBOX_HandleMouseMove( wnd, descr,
2824 mousePos.x, mousePos.y);
2825
2826 descr->captured = captured;
2827
2828 }
2829 else
2830 {
2831 LISTBOX_HandleMouseMove( wnd, descr,
2832 mousePos.x, mousePos.y);
2833 }
2834
2835 return 0;
2836
2837 }
2838 else
2839 {
2840 /*
2841 * If we are in Win3.1 look, go with the default behavior.
2842 */
2843 return ListBoxWndProc( hwnd, msg, wParam, lParam );
2844 }
2845 case WM_LBUTTONUP:
2846 if (TWEAK_WineLook > WIN31_LOOK)
2847 {
2848 POINT mousePos;
2849 RECT clientRect;
2850
2851 /*
2852 * If the mouse button "up" is not in the listbox,
2853 * we make sure there is no selection by re-selecting the
2854 * item that was selected when the listbox was made visible.
2855 */
2856 mousePos.x = (INT16)LOWORD(lParam);
2857 mousePos.y = (INT16)HIWORD(lParam);
2858
2859 GetClientRect(hwnd, &clientRect);
2860
2861 /*
2862 * When the user clicks outside the combobox and the focus
2863 * is lost, the owning combobox will send a fake buttonup with
2864 * 0xFFFFFFF as the mouse location, we must also revert the
2865 * selection to the original selection.
2866 */
2867 if ( (lParam == 0xFFFFFFFF) ||
2868 (!PtInRect( &clientRect, mousePos )) )
2869 {
2870 LISTBOX_MoveCaret( wnd,
2871 descr,
2872 lphc->droppedIndex,
2873 FALSE );
2874 }
2875 }
2876 return LISTBOX_HandleLButtonUp( wnd, descr );
2877 case WM_LBUTTONDOWN:
2878 return LISTBOX_HandleLButtonDownCombo(wnd, descr, wParam,
2879 (INT16)LOWORD(lParam),
2880 (INT16)HIWORD(lParam) );
2881 case WM_MOUSEACTIVATE:
2882 return MA_NOACTIVATE;
2883 case WM_NCACTIVATE:
2884 return FALSE;
2885 case WM_KEYDOWN:
2886 if( CB_GETTYPE(lphc) != CBS_SIMPLE )
2887 {
2888 /* for some reason(?) Windows makes it possible to
2889 * show/hide ComboLBox by sending it WM_KEYDOWNs */
2890
2891 if( (!(lphc->wState & CBF_EUI) && wParam == VK_F4) ||
2892 ( (lphc->wState & CBF_EUI) && !(lphc->wState & CBF_DROPPED)
2893 && (wParam == VK_DOWN || wParam == VK_UP)) )
2894 {
2895 COMBO_FlipListbox( lphc, FALSE );
2896 return 0;
2897 }
2898 }
2899 return LISTBOX_HandleKeyDown( wnd, descr, wParam );
2900
2901 case LB_SETCURSEL16:
2902 case LB_SETCURSEL:
2903 lRet = ListBoxWndProc( hwnd, msg, wParam, lParam );
2904 lRet =(lRet == LB_ERR) ? lRet : descr->selected_item;
2905 return lRet;
2906 case WM_NCDESTROY:
2907 if( CB_GETTYPE(lphc) != CBS_SIMPLE )
2908 lphc->hWndLBox = 0;
2909 /* fall through */
2910
2911 default:
2912 return ListBoxWndProc( hwnd, msg, wParam, lParam );
2913 }
2914 }
2915 lRet = DefWindowProcA( hwnd, msg, wParam, lParam );
2916
2917 TRACE_(combo)("\t default on msg [%04x]\n", (UINT16)msg );
2918 }
2919 return lRet;
2920 }
2921
2922 /***********************************************************************
2923 * ComboLBWndProc
2924 *
2925 * NOTE: in Windows, winproc address of the ComboLBox is the same
2926 * as that of the Listbox.
2927 *
2928 * This is just a wrapper for the real wndproc, it only does window locking
2929 * and unlocking.
2930 */
2931 LRESULT WINAPI ComboLBWndProc( HWND hwnd, UINT msg,
2932 WPARAM wParam, LPARAM lParam )
2933 {
2934 WND *wnd = WIN_FindWndPtr( hwnd );
2935 LRESULT res = ComboLBWndProc_locked(wnd,msg,wParam,lParam);
2936
2937 WIN_ReleaseWndPtr(wnd);
2938 return res;
2939 }
GSOC 2012 project to enhance the control panel