2 * AutoComplete interfaces implementation.
4 * Copyright 2004 Maxime Bellengé <maxime.bellenge@laposte.net>
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., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301, USA
23 - ACO_AUTOAPPEND style
24 - ACO_AUTOSUGGEST style
25 - ACO_UPDOWNKEYDROPSLIST style
27 - Handle pwzsRegKeyPath and pwszQuickComplete in Init
30 - implement ACO_SEARCH style
31 - implement ACO_FILTERPREFIXES style
32 - implement ACO_USETAB style
33 - implement ACO_RTLREADING style
34 - implement ResetEnumerator
35 - string compares should be case-insensitive, the content of the list should be sorted
46 #include "wine/debug.h"
50 #include "undocshell.h"
59 #include "shell32_main.h"
61 #include "wine/unicode.h"
63 WINE_DEFAULT_DEBUG_CHANNEL(shell
);
67 IAutoComplete2 IAutoComplete2_iface
;
68 IAutoCompleteDropDown IAutoCompleteDropDown_iface
;
74 WNDPROC wpOrigEditProc
;
75 WNDPROC wpOrigLBoxProc
;
79 AUTOCOMPLETEOPTIONS options
;
82 static const WCHAR autocomplete_propertyW
[] = {'W','i','n','e',' ','A','u','t','o',
83 'c','o','m','p','l','e','t','e',' ',
84 'c','o','n','t','r','o','l',0};
86 static inline IAutoCompleteImpl
*impl_from_IAutoComplete2(IAutoComplete2
*iface
)
88 return CONTAINING_RECORD(iface
, IAutoCompleteImpl
, IAutoComplete2_iface
);
91 static inline IAutoCompleteImpl
*impl_from_IAutoCompleteDropDown(IAutoCompleteDropDown
*iface
)
93 return CONTAINING_RECORD(iface
, IAutoCompleteImpl
, IAutoCompleteDropDown_iface
);
97 Window procedure for autocompletion
99 static LRESULT APIENTRY
ACEditSubclassProc(HWND hwnd
, UINT uMsg
, WPARAM wParam
, LPARAM lParam
)
101 IAutoCompleteImpl
*This
= GetPropW(hwnd
, autocomplete_propertyW
);
107 BOOL control
, filled
, displayall
= FALSE
;
108 int cpt
, height
, sel
;
110 if (!This
->enabled
) return CallWindowProcW(This
->wpOrigEditProc
, hwnd
, uMsg
, wParam
, lParam
);
114 case CB_SHOWDROPDOWN
:
115 ShowWindow(This
->hwndListBox
, SW_HIDE
);
118 if ((This
->options
& ACO_AUTOSUGGEST
) && ((HWND
)wParam
!= This
->hwndListBox
))
120 ShowWindow(This
->hwndListBox
, SW_HIDE
);
122 return CallWindowProcW(This
->wpOrigEditProc
, hwnd
, uMsg
, wParam
, lParam
);
124 GetWindowTextW( hwnd
, hwndText
, sizeof(hwndText
)/sizeof(WCHAR
));
128 /* If quickComplete is set and control is pressed, replace the string */
129 control
= GetKeyState(VK_CONTROL
) & 0x8000;
130 if (control
&& This
->quickComplete
) {
131 hwndQCText
= HeapAlloc(GetProcessHeap(), 0,
132 (lstrlenW(This
->quickComplete
)+lstrlenW(hwndText
))*sizeof(WCHAR
));
133 sel
= sprintfW(hwndQCText
, This
->quickComplete
, hwndText
);
134 SendMessageW(hwnd
, WM_SETTEXT
, 0, (LPARAM
)hwndQCText
);
135 SendMessageW(hwnd
, EM_SETSEL
, 0, sel
);
136 HeapFree(GetProcessHeap(), 0, hwndQCText
);
139 ShowWindow(This
->hwndListBox
, SW_HIDE
);
147 - if the listbox is not visible, displays it
148 with all the entries if the style ACO_UPDOWNKEYDROPSLIST
149 is present but does not select anything.
150 - if the listbox is visible, change the selection
152 if ( (This
->options
& (ACO_AUTOSUGGEST
| ACO_UPDOWNKEYDROPSLIST
))
153 && (!IsWindowVisible(This
->hwndListBox
) && (! *hwndText
)) )
155 /* We must display all the entries */
158 if (IsWindowVisible(This
->hwndListBox
)) {
161 count
= SendMessageW(This
->hwndListBox
, LB_GETCOUNT
, 0, 0);
162 /* Change the selection */
163 sel
= SendMessageW(This
->hwndListBox
, LB_GETCURSEL
, 0, 0);
165 sel
= ((sel
-1) < 0) ? count
-1 : sel
-1;
167 sel
= ((sel
+1) >= count
) ? -1 : sel
+1;
168 SendMessageW(This
->hwndListBox
, LB_SETCURSEL
, sel
, 0);
173 len
= SendMessageW(This
->hwndListBox
, LB_GETTEXTLEN
, sel
, 0);
174 msg
= HeapAlloc(GetProcessHeap(), 0, (len
+1)*sizeof(WCHAR
));
175 SendMessageW(This
->hwndListBox
, LB_GETTEXT
, sel
, (LPARAM
)msg
);
176 SendMessageW(hwnd
, WM_SETTEXT
, 0, (LPARAM
)msg
);
177 SendMessageW(hwnd
, EM_SETSEL
, lstrlenW(msg
), lstrlenW(msg
));
178 HeapFree(GetProcessHeap(), 0, msg
);
180 SendMessageW(hwnd
, WM_SETTEXT
, 0, (LPARAM
)This
->txtbackup
);
181 SendMessageW(hwnd
, EM_SETSEL
, lstrlenW(This
->txtbackup
), lstrlenW(This
->txtbackup
));
189 if ((! *hwndText
) && (This
->options
& ACO_AUTOSUGGEST
)) {
190 ShowWindow(This
->hwndListBox
, SW_HIDE
);
191 return CallWindowProcW(This
->wpOrigEditProc
, hwnd
, uMsg
, wParam
, lParam
);
193 if (This
->options
& ACO_AUTOAPPEND
) {
195 SendMessageW(hwnd
, EM_GETSEL
, (WPARAM
)&b
, 0);
197 hwndText
[b
-1] = '\0';
200 SetWindowTextW(hwnd
, hwndText
);
208 SendMessageW(This
->hwndListBox
, LB_RESETCONTENT
, 0, 0);
210 HeapFree(GetProcessHeap(), 0, This
->txtbackup
);
211 This
->txtbackup
= HeapAlloc(GetProcessHeap(), 0, (lstrlenW(hwndText
)+1)*sizeof(WCHAR
));
212 lstrcpyW(This
->txtbackup
, hwndText
);
214 /* Returns if there is no text to search and we doesn't want to display all the entries */
215 if ((!displayall
) && (! *hwndText
) )
218 IEnumString_Reset(This
->enumstr
);
222 hr
= IEnumString_Next(This
->enumstr
, 1, &strs
, &fetched
);
226 if (StrStrIW(strs
, hwndText
) == strs
) {
227 if (!filled
&& (This
->options
& ACO_AUTOAPPEND
)) {
228 INT typed_length
= strlenW(hwndText
);
231 strcpyW(buffW
, hwndText
);
232 strcatW(buffW
, &strs
[typed_length
]);
233 SetWindowTextW(hwnd
, buffW
);
234 SendMessageW(hwnd
, EM_SETSEL
, typed_length
, strlenW(strs
));
235 if (!(This
->options
& ACO_AUTOSUGGEST
))
239 if (This
->options
& ACO_AUTOSUGGEST
) {
240 SendMessageW(This
->hwndListBox
, LB_ADDSTRING
, 0, (LPARAM
)strs
);
248 if (This
->options
& ACO_AUTOSUGGEST
) {
250 height
= SendMessageW(This
->hwndListBox
, LB_GETITEMHEIGHT
, 0, 0);
251 SendMessageW(This
->hwndListBox
, LB_CARETOFF
, 0, 0);
252 GetWindowRect(hwnd
, &r
);
253 SetParent(This
->hwndListBox
, HWND_DESKTOP
);
254 /* It seems that Windows XP displays 7 lines at most
255 and otherwise displays a vertical scroll bar */
256 SetWindowPos(This
->hwndListBox
, HWND_TOP
,
257 r
.left
, r
.bottom
+ 1, r
.right
- r
.left
, min(height
* 7, height
*(cpt
+1)),
260 ShowWindow(This
->hwndListBox
, SW_HIDE
);
267 WNDPROC proc
= This
->wpOrigEditProc
;
269 RemovePropW(hwnd
, autocomplete_propertyW
);
270 SetWindowLongPtrW(hwnd
, GWLP_WNDPROC
, (LONG_PTR
)proc
);
271 This
->hwndEdit
= NULL
;
272 if (This
->hwndListBox
)
273 DestroyWindow(This
->hwndListBox
);
274 IAutoComplete2_Release(&This
->IAutoComplete2_iface
);
275 return CallWindowProcW(proc
, hwnd
, uMsg
, wParam
, lParam
);
278 return CallWindowProcW(This
->wpOrigEditProc
, hwnd
, uMsg
, wParam
, lParam
);
285 static LRESULT APIENTRY
ACLBoxSubclassProc(HWND hwnd
, UINT uMsg
, WPARAM wParam
, LPARAM lParam
)
287 IAutoCompleteImpl
*This
= (IAutoCompleteImpl
*)GetWindowLongPtrW(hwnd
, GWLP_USERDATA
);
293 sel
= SendMessageW(hwnd
, LB_ITEMFROMPOINT
, 0, lParam
);
294 SendMessageW(hwnd
, LB_SETCURSEL
, sel
, 0);
297 sel
= SendMessageW(hwnd
, LB_GETCURSEL
, 0, 0);
300 len
= SendMessageW(This
->hwndListBox
, LB_GETTEXTLEN
, sel
, 0);
301 msg
= HeapAlloc(GetProcessHeap(), 0, (len
+1)*sizeof(WCHAR
));
302 SendMessageW(hwnd
, LB_GETTEXT
, sel
, (LPARAM
)msg
);
303 SendMessageW(This
->hwndEdit
, WM_SETTEXT
, 0, (LPARAM
)msg
);
304 SendMessageW(This
->hwndEdit
, EM_SETSEL
, 0, lstrlenW(msg
));
305 ShowWindow(hwnd
, SW_HIDE
);
306 HeapFree(GetProcessHeap(), 0, msg
);
309 return CallWindowProcW(This
->wpOrigLBoxProc
, hwnd
, uMsg
, wParam
, lParam
);
314 static void create_listbox(IAutoCompleteImpl
*This
)
318 hwndParent
= GetParent(This
->hwndEdit
);
320 /* FIXME : The listbox should be resizable with the mouse. WS_THICKFRAME looks ugly */
321 This
->hwndListBox
= CreateWindowExW(0, WC_LISTBOXW
, NULL
,
322 WS_BORDER
| WS_CHILD
| WS_VSCROLL
| LBS_HASSTRINGS
| LBS_NOTIFY
| LBS_NOINTEGRALHEIGHT
,
323 CW_USEDEFAULT
, CW_USEDEFAULT
, CW_USEDEFAULT
, CW_USEDEFAULT
,
324 hwndParent
, NULL
, shell32_hInstance
, NULL
);
326 if (This
->hwndListBox
) {
327 This
->wpOrigLBoxProc
= (WNDPROC
) SetWindowLongPtrW( This
->hwndListBox
, GWLP_WNDPROC
, (LONG_PTR
) ACLBoxSubclassProc
);
328 SetWindowLongPtrW( This
->hwndListBox
, GWLP_USERDATA
, (LONG_PTR
)This
);
332 /**************************************************************************
333 * AutoComplete_QueryInterface
335 static HRESULT WINAPI
IAutoComplete2_fnQueryInterface(
336 IAutoComplete2
* iface
,
340 IAutoCompleteImpl
*This
= impl_from_IAutoComplete2(iface
);
342 TRACE("(%p)->(IID:%s,%p)\n", This
, shdebugstr_guid(riid
), ppvObj
);
345 if (IsEqualIID(riid
, &IID_IUnknown
) ||
346 IsEqualIID(riid
, &IID_IAutoComplete
) ||
347 IsEqualIID(riid
, &IID_IAutoComplete2
))
351 else if (IsEqualIID(riid
, &IID_IAutoCompleteDropDown
))
353 *ppvObj
= &This
->IAutoCompleteDropDown_iface
;
358 IUnknown_AddRef((IUnknown
*)*ppvObj
);
359 TRACE("-- Interface: (%p)->(%p)\n", ppvObj
, *ppvObj
);
362 WARN("unsupported interface: %s\n", debugstr_guid(riid
));
363 return E_NOINTERFACE
;
366 /******************************************************************************
367 * IAutoComplete2_fnAddRef
369 static ULONG WINAPI
IAutoComplete2_fnAddRef(
370 IAutoComplete2
* iface
)
372 IAutoCompleteImpl
*This
= impl_from_IAutoComplete2(iface
);
373 ULONG refCount
= InterlockedIncrement(&This
->ref
);
375 TRACE("(%p)->(%u)\n", This
, refCount
- 1);
380 /******************************************************************************
381 * IAutoComplete2_fnRelease
383 static ULONG WINAPI
IAutoComplete2_fnRelease(
384 IAutoComplete2
* iface
)
386 IAutoCompleteImpl
*This
= impl_from_IAutoComplete2(iface
);
387 ULONG refCount
= InterlockedDecrement(&This
->ref
);
389 TRACE("(%p)->(%u)\n", This
, refCount
+ 1);
392 TRACE("destroying IAutoComplete(%p)\n", This
);
393 HeapFree(GetProcessHeap(), 0, This
->quickComplete
);
394 HeapFree(GetProcessHeap(), 0, This
->txtbackup
);
396 IEnumString_Release(This
->enumstr
);
397 HeapFree(GetProcessHeap(), 0, This
);
402 /******************************************************************************
403 * IAutoComplete2_fnEnable
405 static HRESULT WINAPI
IAutoComplete2_fnEnable(
406 IAutoComplete2
* iface
,
409 IAutoCompleteImpl
*This
= impl_from_IAutoComplete2(iface
);
412 TRACE("(%p)->(%s)\n", This
, (fEnable
)?"true":"false");
414 This
->enabled
= fEnable
;
419 /******************************************************************************
420 * IAutoComplete2_fnInit
422 static HRESULT WINAPI
IAutoComplete2_fnInit(
423 IAutoComplete2
* iface
,
426 LPCOLESTR pwzsRegKeyPath
,
427 LPCOLESTR pwszQuickComplete
)
429 IAutoCompleteImpl
*This
= impl_from_IAutoComplete2(iface
);
431 TRACE("(%p)->(%p, %p, %s, %s)\n",
432 This
, hwndEdit
, punkACL
, debugstr_w(pwzsRegKeyPath
), debugstr_w(pwszQuickComplete
));
434 if (This
->options
& ACO_SEARCH
) FIXME(" ACO_SEARCH not supported\n");
435 if (This
->options
& ACO_FILTERPREFIXES
) FIXME(" ACO_FILTERPREFIXES not supported\n");
436 if (This
->options
& ACO_USETAB
) FIXME(" ACO_USETAB not supported\n");
437 if (This
->options
& ACO_RTLREADING
) FIXME(" ACO_RTLREADING not supported\n");
439 if (!hwndEdit
|| !punkACL
)
442 if (This
->initialized
)
444 WARN("Autocompletion object is already initialized\n");
445 /* This->hwndEdit is set to NULL when the edit window is destroyed. */
446 return This
->hwndEdit
? E_FAIL
: E_UNEXPECTED
;
449 if (FAILED (IUnknown_QueryInterface (punkACL
, &IID_IEnumString
, (LPVOID
*)&This
->enumstr
))) {
450 WARN("No IEnumString interface\n");
451 return E_NOINTERFACE
;
454 This
->initialized
= TRUE
;
455 This
->hwndEdit
= hwndEdit
;
456 This
->wpOrigEditProc
= (WNDPROC
) SetWindowLongPtrW( hwndEdit
, GWLP_WNDPROC
, (LONG_PTR
) ACEditSubclassProc
);
457 /* Keep at least one reference to the object until the edit window is destroyed. */
458 IAutoComplete2_AddRef(&This
->IAutoComplete2_iface
);
459 SetPropW( hwndEdit
, autocomplete_propertyW
, This
);
461 if (This
->options
& ACO_AUTOSUGGEST
)
462 create_listbox(This
);
464 if (pwzsRegKeyPath
) {
466 WCHAR result
[MAX_PATH
];
472 /* pwszRegKeyPath contains the key as well as the value, so we split */
473 key
= HeapAlloc(GetProcessHeap(), 0, (lstrlenW(pwzsRegKeyPath
)+1)*sizeof(WCHAR
));
474 strcpyW(key
, pwzsRegKeyPath
);
475 value
= strrchrW(key
, '\\');
478 /* Now value contains the value and buffer the key */
479 res
= RegOpenKeyExW(HKEY_CURRENT_USER
, key
, 0, KEY_READ
, &hKey
);
480 if (res
!= ERROR_SUCCESS
) {
481 /* if the key is not found, MSDN states we must seek in HKEY_LOCAL_MACHINE */
482 res
= RegOpenKeyExW(HKEY_LOCAL_MACHINE
, key
, 0, KEY_READ
, &hKey
);
484 if (res
== ERROR_SUCCESS
) {
485 res
= RegQueryValueW(hKey
, value
, result
, &len
);
486 if (res
== ERROR_SUCCESS
) {
487 This
->quickComplete
= HeapAlloc(GetProcessHeap(), 0, len
*sizeof(WCHAR
));
488 strcpyW(This
->quickComplete
, result
);
492 HeapFree(GetProcessHeap(), 0, key
);
495 if ((pwszQuickComplete
) && (!This
->quickComplete
)) {
496 This
->quickComplete
= HeapAlloc(GetProcessHeap(), 0, (lstrlenW(pwszQuickComplete
)+1)*sizeof(WCHAR
));
497 lstrcpyW(This
->quickComplete
, pwszQuickComplete
);
503 /**************************************************************************
504 * IAutoComplete2_fnGetOptions
506 static HRESULT WINAPI
IAutoComplete2_fnGetOptions(
507 IAutoComplete2
* iface
,
510 IAutoCompleteImpl
*This
= impl_from_IAutoComplete2(iface
);
513 TRACE("(%p) -> (%p)\n", This
, pdwFlag
);
515 *pdwFlag
= This
->options
;
520 /**************************************************************************
521 * IAutoComplete2_fnSetOptions
523 static HRESULT WINAPI
IAutoComplete2_fnSetOptions(
524 IAutoComplete2
* iface
,
527 IAutoCompleteImpl
*This
= impl_from_IAutoComplete2(iface
);
530 TRACE("(%p) -> (0x%x)\n", This
, dwFlag
);
532 This
->options
= dwFlag
;
534 if ((This
->options
& ACO_AUTOSUGGEST
) && This
->hwndEdit
&& !This
->hwndListBox
)
535 create_listbox(This
);
540 /**************************************************************************
541 * IAutoComplete2 VTable
543 static const IAutoComplete2Vtbl acvt
=
545 IAutoComplete2_fnQueryInterface
,
546 IAutoComplete2_fnAddRef
,
547 IAutoComplete2_fnRelease
,
548 IAutoComplete2_fnInit
,
549 IAutoComplete2_fnEnable
,
551 IAutoComplete2_fnSetOptions
,
552 IAutoComplete2_fnGetOptions
,
556 static HRESULT WINAPI
IAutoCompleteDropDown_fnQueryInterface(IAutoCompleteDropDown
*iface
,
557 REFIID riid
, LPVOID
*ppvObj
)
559 IAutoCompleteImpl
*This
= impl_from_IAutoCompleteDropDown(iface
);
560 return IAutoComplete2_fnQueryInterface(&This
->IAutoComplete2_iface
, riid
, ppvObj
);
563 static ULONG WINAPI
IAutoCompleteDropDown_fnAddRef(IAutoCompleteDropDown
*iface
)
565 IAutoCompleteImpl
*This
= impl_from_IAutoCompleteDropDown(iface
);
566 return IAutoComplete2_fnAddRef(&This
->IAutoComplete2_iface
);
569 static ULONG WINAPI
IAutoCompleteDropDown_fnRelease(IAutoCompleteDropDown
*iface
)
571 IAutoCompleteImpl
*This
= impl_from_IAutoCompleteDropDown(iface
);
572 return IAutoComplete2_fnRelease(&This
->IAutoComplete2_iface
);
575 /**************************************************************************
576 * IAutoCompleteDropDown_fnGetDropDownStatus
578 static HRESULT WINAPI
IAutoCompleteDropDown_fnGetDropDownStatus(
579 IAutoCompleteDropDown
*iface
,
583 IAutoCompleteImpl
*This
= impl_from_IAutoCompleteDropDown(iface
);
586 TRACE("(%p) -> (%p, %p)\n", This
, pdwFlags
, ppwszString
);
588 dropped
= IsWindowVisible(This
->hwndListBox
);
591 *pdwFlags
= (dropped
? ACDD_VISIBLE
: 0);
597 sel
= SendMessageW(This
->hwndListBox
, LB_GETCURSEL
, 0, 0);
602 len
= SendMessageW(This
->hwndListBox
, LB_GETTEXTLEN
, sel
, 0);
603 *ppwszString
= CoTaskMemAlloc((len
+1)*sizeof(WCHAR
));
604 SendMessageW(This
->hwndListBox
, LB_GETTEXT
, sel
, (LPARAM
)*ppwszString
);
616 /**************************************************************************
617 * IAutoCompleteDropDown_fnResetEnumarator
619 static HRESULT WINAPI
IAutoCompleteDropDown_fnResetEnumerator(
620 IAutoCompleteDropDown
*iface
)
622 IAutoCompleteImpl
*This
= impl_from_IAutoCompleteDropDown(iface
);
624 FIXME("(%p): stub\n", This
);
629 /**************************************************************************
630 * IAutoCompleteDropDown VTable
632 static const IAutoCompleteDropDownVtbl acdropdownvt
=
634 IAutoCompleteDropDown_fnQueryInterface
,
635 IAutoCompleteDropDown_fnAddRef
,
636 IAutoCompleteDropDown_fnRelease
,
637 IAutoCompleteDropDown_fnGetDropDownStatus
,
638 IAutoCompleteDropDown_fnResetEnumerator
,
641 /**************************************************************************
642 * IAutoComplete_Constructor
644 HRESULT WINAPI
IAutoComplete_Constructor(IUnknown
* pUnkOuter
, REFIID riid
, LPVOID
* ppv
)
646 IAutoCompleteImpl
*lpac
;
649 if (pUnkOuter
&& !IsEqualIID (riid
, &IID_IUnknown
))
650 return CLASS_E_NOAGGREGATION
;
652 lpac
= HeapAlloc(GetProcessHeap(), HEAP_ZERO_MEMORY
, sizeof(IAutoCompleteImpl
));
654 return E_OUTOFMEMORY
;
657 lpac
->IAutoComplete2_iface
.lpVtbl
= &acvt
;
658 lpac
->IAutoCompleteDropDown_iface
.lpVtbl
= &acdropdownvt
;
659 lpac
->enabled
= TRUE
;
660 lpac
->options
= ACO_AUTOAPPEND
;
662 hr
= IAutoComplete2_QueryInterface(&lpac
->IAutoComplete2_iface
, riid
, ppv
);
663 IAutoComplete2_Release(&lpac
->IAutoComplete2_iface
);
665 TRACE("-- (%p)->\n",lpac
);