Module: wine Branch: master Commit: ef2558992201f31ec37c8b54399377c8e6d6d80f URL: https://source.winehq.org/git/wine.git/?a=commit;h=ef2558992201f31ec37c8b543...
Author: Gabriel Ivăncescu gabrielopcode@gmail.com Date: Tue Oct 16 14:30:45 2018 +0300
shell32/autocomplete: Use the optional IACList interface and IACList::Expand, if available.
Signed-off-by: Gabriel Ivăncescu gabrielopcode@gmail.com Signed-off-by: Huw Davies huw@codeweavers.com Signed-off-by: Alexandre Julliard julliard@winehq.org
---
dlls/shell32/autocomplete.c | 70 ++++++++++++++++++++++++++++++++++++++++++++- 1 file changed, 69 insertions(+), 1 deletion(-)
diff --git a/dlls/shell32/autocomplete.c b/dlls/shell32/autocomplete.c index 11e9317..dfe7638 100644 --- a/dlls/shell32/autocomplete.c +++ b/dlls/shell32/autocomplete.c @@ -2,6 +2,7 @@ * AutoComplete interfaces implementation. * * Copyright 2004 Maxime Bellengé maxime.bellenge@laposte.net + * Copyright 2018 Gabriel Ivăncescu gabrielopcode@gmail.com * * This library is free software; you can redistribute it and/or * modify it under the terms of the GNU Lesser General Public @@ -68,6 +69,7 @@ typedef struct WCHAR *txtbackup; WCHAR *quickComplete; IEnumString *enumstr; + IACList *aclist; AUTOCOMPLETEOPTIONS options; WCHAR no_fwd_char; } IAutoCompleteImpl; @@ -221,6 +223,49 @@ static LRESULT change_selection(IAutoCompleteImpl *ac, HWND hwnd, UINT key) return 0; }
+static BOOL do_aclist_expand(IAutoCompleteImpl *ac, WCHAR *txt, WCHAR *last_delim) +{ + WCHAR c = last_delim[1]; + last_delim[1] = '\0'; + IACList_Expand(ac->aclist, txt); + last_delim[1] = c; + return TRUE; +} + +static BOOL aclist_expand(IAutoCompleteImpl *ac, WCHAR *txt) +{ + /* call IACList::Expand only when needed, if the + new txt and old_txt require different expansions */ + WCHAR c, *p, *last_delim, *old_txt = ac->txtbackup; + size_t i = 0; + + /* '/' is allowed as a delim for unix paths */ + static const WCHAR delims[] = { '\', '/', 0 }; + + /* skip the shared prefix */ + while ((c = tolowerW(txt[i])) == tolowerW(old_txt[i])) + { + if (c == '\0') return FALSE; + i++; + } + + /* they differ at this point, check for a delim further in txt */ + for (last_delim = NULL, p = &txt[i]; (p = strpbrkW(p, delims)) != NULL; p++) + last_delim = p; + if (last_delim) return do_aclist_expand(ac, txt, last_delim); + + /* txt has no delim after i, check for a delim further in old_txt */ + if (strpbrkW(&old_txt[i], delims)) + { + /* scan backwards to find the first delim before txt[i] (if any) */ + while (i--) + if (strchrW(delims, txt[i])) + return do_aclist_expand(ac, txt, &txt[i]); + } + + return FALSE; +} + static void autoappend_str(IAutoCompleteImpl *ac, WCHAR *text, UINT len, WCHAR *str, HWND hwnd) { DWORD sel_start; @@ -268,6 +313,17 @@ static void autocomplete_text(IAutoCompleteImpl *ac, HWND hwnd, enum autoappend_ if (len + 1 != size) text = heap_realloc(text, (len + 1) * sizeof(WCHAR));
+ /* Reset it here to simplify the logic in aclist_expand for + empty strings, since it tracks changes using txtbackup, + and Reset needs to be called before IACList::Expand */ + IEnumString_Reset(ac->enumstr); + if (ac->aclist) + { + aclist_expand(ac, text); + if (text[len - 1] == '\' || text[len - 1] == '/') + flag = autoappend_flag_no; + } + /* Set txtbackup to point to text itself (which must not be released) */ heap_free(ac->txtbackup); ac->txtbackup = text; @@ -277,7 +333,6 @@ static void autocomplete_text(IAutoCompleteImpl *ac, HWND hwnd, enum autoappend_ SendMessageW(ac->hwndListBox, WM_SETREDRAW, FALSE, 0); SendMessageW(ac->hwndListBox, LB_RESETCONTENT, 0, 0); } - IEnumString_Reset(ac->enumstr); for (cpt = 0;;) { LPOLESTR strs = NULL; @@ -607,6 +662,8 @@ static ULONG WINAPI IAutoComplete2_fnRelease( heap_free(This->txtbackup); if (This->enumstr) IEnumString_Release(This->enumstr); + if (This->aclist) + IACList_Release(This->aclist); heap_free(This); } return refCount; @@ -663,6 +720,17 @@ static HRESULT WINAPI IAutoComplete2_fnInit( return E_NOINTERFACE; }
+ /* Prevent txtbackup from ever being NULL to simplify aclist_expand */ + if ((This->txtbackup = heap_alloc_zero(sizeof(WCHAR))) == NULL) + { + IEnumString_Release(This->enumstr); + This->enumstr = NULL; + return E_OUTOFMEMORY; + } + + if (FAILED (IUnknown_QueryInterface (punkACL, &IID_IACList, (LPVOID*)&This->aclist))) + This->aclist = NULL; + This->initialized = TRUE; This->hwndEdit = hwndEdit;