/[winpt]/trunk/Src/wptW32API.cpp
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revision 129 by twoaday, Fri Dec 30 13:56:10 2005 UTC revision 208 by twoaday, Mon May 1 12:22:18 2006 UTC
# Line 35  Line 35 
35  #include "wptW32API.h"  #include "wptW32API.h"
36  #include "wptErrors.h"  #include "wptErrors.h"
37  #include "wptVersion.h"  #include "wptVersion.h"
38    #include "wptUTF8.h"
39  #include "wptTypes.h"  #include "wptTypes.h"
40    
41    
42  extern "C" void _SHFree (void *p);  extern "C" void _SHFree (void *p);
43    
44    
45    
46    /* Insert a new item into the menu @hm at position @pos. */
47    void
48    insert_menu_item (HMENU hm, int pos, UINT m_id, const char *text)
49    {
50        MENUITEMINFO mi;
51    
52        memset (&mi, 0, sizeof mi);
53        mi.cbSize = sizeof mi;
54        mi.fType = MF_STRING;
55        mi.dwTypeData = (char *)text;
56        mi.cch = strlen (text);
57        mi.wID = m_id;
58        mi.fMask = MIIM_ID|MIIM_DATA| MIIM_TYPE;
59        InsertMenuItem (hm, pos, FALSE, &mi);
60    }
61    
62    
63  static void  static void
64  set_menu_text_ext (HMENU menu, int by_pos, int m_uid, const char *text)  set_menu_text_ext (HMENU menu, int by_pos, int m_uid, const char *text)
65  {  {
# Line 108  enum { Line 127  enum {
127     id can be either FILE_OPEN or FILE_SAVE.     id can be either FILE_OPEN or FILE_SAVE.
128     The return value is the file name or NULL if cancel was chosen. */     The return value is the file name or NULL if cancel was chosen. */
129  const char *  const char *
130  get_filename_dlg (HWND hwnd, int id, const char * title,  get_filename_dlg (HWND hwnd, int id, const char *title,
131                    const char * filter, const char * name)                    const char *filter, const char *name)
132  {  {
133      static char file[512] = "";      static char file[512] = "";
134      OPENFILENAME open;      OPENFILENAME open;
# Line 119  get_filename_dlg (HWND hwnd, int id, con Line 138  get_filename_dlg (HWND hwnd, int id, con
138      else      else
139          memset (file, 0, sizeof (file));          memset (file, 0, sizeof (file));
140      if (!filter)      if (!filter)
141          filter = _("All Files (*.*)\0*.*\0\0");          filter = "All Files (*.*)\0*.*\0\0";
142      /* XXX: problem with gettext because of the 'artificial'      /* XXX: problem with gettext because of the 'artificial'
143              double string termination!. */              double string termination!. */
144      memset (&open, 0, sizeof (open));      memset (&open, 0, sizeof (open));
# Line 238  set_clip_text (HWND hwnd, const char *te Line 257  set_clip_text (HWND hwnd, const char *te
257          BUG (NULL);          BUG (NULL);
258      p = (char *) GlobalLock (clipmem);      p = (char *) GlobalLock (clipmem);
259      if (p == NULL) {      if (p == NULL) {
260          rc = WPTERR_GENERAL;;          CloseClipboard ();
261          goto leave;              GlobalFree (clipmem);
262            return WPTERR_GENERAL;
263      }      }
264      memcpy (p, text, nbytes);      memcpy (p, text, nbytes);
265      p[nbytes] = '\0';      p[nbytes] = '\0';
266            
     GlobalUnlock (clipmem);  
267      SetClipboardData (CF_TEXT, clipmem);      SetClipboardData (CF_TEXT, clipmem);
268            GlobalUnlock (clipmem);
 leave:  
269      CloseClipboard ();      CloseClipboard ();
270        GlobalFree (clipmem);
271        
272      return rc;      return rc;
273  } /* set_clip_text */  }
274    
275    
276  /* Append or prepend some text to the clipboard contents.  /* Append or prepend some text to the clipboard contents.
# Line 309  make_filename (const char *path, const c Line 329  make_filename (const char *path, const c
329  }  }
330    
331    
332    /* Generate a file name from a special dirctory. */
333    char*
334    make_special_filename (int folder, const char *file, const char *ext)
335    {
336        BOOL ec;
337        char path[MAX_PATH], *p;
338        size_t n=0;
339    
340        /* MSDN: buf must be at least MAX_PATH=256 bytes */
341        ec = SHGetSpecialFolderPath (HWND_DESKTOP, path, folder, TRUE);
342        if (ec != 1) {
343            log_debug ("SHGetSpecialFolderPath() failed\r\n", (int)GetLastError ());
344            return NULL;
345        }
346    
347        n = strlen (path)+1;
348        if (file)
349            n += strlen (file)+1;
350        if (ext)
351            n += strlen (ext)+1;
352        p = new char[n+2];
353        if (!p)
354            BUG (0);
355        memset (p, 0, n+2);
356        strcpy (p, path);    
357        if (file) {
358            strcat (p, "\\");
359            strcat (p, file);
360        }
361        if (ext)
362            strcat (p, ext);
363        return p;
364    }
365    
366    
367  /* return 0 if the file @fname exists, otherwise >0. */  /* return 0 if the file @fname exists, otherwise >0. */
368  int  int
369  file_exist_check (const char *fname)  file_exist_check (const char *fname)
# Line 354  get_file_size (const char *fname) Line 409  get_file_size (const char *fname)
409  }  }
410    
411    
 int  
 init_file_lock( LOCK *ctx, const char *file )  
 {  
       
     ctx->size = get_file_size( file );  
     ctx->file = m_strdup( file );  
     ctx->fh = CreateFile( file, GENERIC_READ, FILE_SHARE_READ, NULL,  
                          OPEN_ALWAYS, 0, NULL );  
     if( ctx->fh == INVALID_HANDLE_VALUE )  
         return WPTERR_GENERAL;  
     if( LockFile( ctx->fh, 0, 0, ctx->size, 0 ) == FALSE ) {  
         CloseHandle( ctx->fh );  
         ctx->fh = INVALID_HANDLE_VALUE;  
         ctx->size = 0;  
         free( ctx->file );  
         return WPTERR_GENERAL;  
     }  
     return 0;  
 } /* init_file_lock */  
   
   
 void  
 release_file_lock( LOCK *ctx )  
 {  
     free_if_alloc( ctx->file );  
     ctx->file = NULL;  
     ctx->size = 0;  
     CloseHandle( ctx->fh );  
 } /* release_file_lock */  
   
   
412  /* Start a dialog with the exception that before it is checked that the  /* Start a dialog with the exception that before it is checked that the
413     dialog is not already openened. */     dialog is not already openened. */
414  int  int
# Line 538  get_locale_date (long tm_t, char *buf, D Line 562  get_locale_date (long tm_t, char *buf, D
562  }  }
563    
564    
565  struct reminder_hd_s {  /* Generate a temporary file name by using the users
566      int msecs;     temp path and optionally a name @name provided by the caller.
567      HWND dlg;     Return value: 0 on success. */
568      HANDLE hd;  int
569  };  get_temp_name (char *buf, DWORD buflen, const char *name)
570    {
571        char tmp[32];
572    
573        if (!name) {
574            sprintf (tmp, "%08lX", GetTickCount ());
575            name = tmp;
576        }
577    
578  static DWORD CALLBACK      /* in the mobile mode we use a local temp folder
579  foreground_reminder_thread (void *c)         with the fixed name 'temp'. */
580  {      if (mobile_mode_active) {
581      struct reminder_hd_s *ctx = (struct reminder_hd_s *)c;          _snprintf (buf, buflen-1, "temp\\%s", name);
582      Sleep (ctx->msecs);          return 0;
583      SetForegroundWindow (ctx->dlg);      }
584      CloseHandle (ctx->hd);  
585      delete ctx;      if (!GetTempPath (buflen - strlen (name) -2, buf)) {
586      ExitThread (0);          log_debug ("GetTempPath() failed ec=%d\n", (int)GetLastError ());
587            return -1;
588        }
589        strcat (buf, name);
590      return 0;      return 0;
591  }  }
592    
593  /* Try to force the window @dlg to the foreground.  
    On NT5 or later this will not work if the user  
    is working in another window (console for example). */  
594  void  void
595  force_foreground_window (HWND dlg, int msecs)  ListBox_AddString_utf8 (HWND lb, const char *txt)
596  {  {
597      struct reminder_hd_s *hd;      char *utf8_txt;
598      DWORD tid;  
599        utf8_txt = utf8_to_native (txt);
600        SendMessage (lb, LB_ADDSTRING, 0, (LPARAM)(LPCSTR)(utf8_txt));
601        safe_free (utf8_txt);
602    }
603    
604    
605    void
606    ComboBox_AddString_utf8 (HWND cb, const char *txt)
607    {
608    
609        char *utf8_txt;
610    
611        utf8_txt = utf8_to_native (txt);
612        SendMessage ((cb), CB_ADDSTRING, 0, (LPARAM)(LPCSTR)(utf8_txt));
613        safe_free (utf8_txt);
614    }
615    
616    
617    /* GetDlgItemText replacement with UTF8 support. */
618    int
619    GetDlgItemText_utf8 (HWND dlg, int id, char **r_txt)
620    {
621        int len = GetWindowTextLength (GetDlgItem (dlg, id));
622        char *txt;
623    
624        *r_txt = NULL;
625        if (len < 1)
626            return 0;
627        txt = new char[len+2];
628        if (!txt)
629            BUG (NULL);
630        GetDlgItemText (dlg, id, txt, len+1);
631        *r_txt = native_to_utf8 (txt);
632        free_if_alloc (txt);
633        return len;
634    }
635    
636    
637    /* Return TRUE if the current user has admin privileges. */
638    BOOL
639    user_is_admin (void)
640    {
641        SID_IDENTIFIER_AUTHORITY SystemSidAuthority = SECURITY_NT_AUTHORITY;
642        HANDLE hd;
643        TOKEN_GROUPS  *ptg = NULL;
644        DWORD ngtoken;
645        DWORD i;
646        BOOL admin = FALSE;
647        PSID psid = 0;
648    
649        if (GetVersion () & 0x80000000) /* Win9X */
650            return TRUE;
651    
652        if (!OpenThreadToken (GetCurrentThread (), TOKEN_QUERY, FALSE, &hd) &&
653            !OpenProcessToken (GetCurrentProcess (), TOKEN_QUERY, &hd))
654            return FALSE;
655        
656        if (!GetTokenInformation (hd, TokenGroups, NULL, 0, &ngtoken) &&
657            GetLastError() == ERROR_INSUFFICIENT_BUFFER) {
658            ptg = (TOKEN_GROUPS*)GlobalAlloc (GPTR, ngtoken);
659            if (!ptg)
660                return FALSE;
661    
662            if (!GetTokenInformation (hd, TokenGroups,
663                                      ptg, ngtoken, &ngtoken)) {
664                GlobalFree (ptg);
665                return FALSE;
666            }
667            AllocateAndInitializeSid (&SystemSidAuthority,
668                                      2, SECURITY_BUILTIN_DOMAIN_RID,
669                                      DOMAIN_ALIAS_RID_ADMINS,
670                                      0, 0, 0, 0, 0, 0,
671                                      &psid);
672            for (i = 0; i < ptg->GroupCount; i++) {
673                if (EqualSid (ptg->Groups[i].Sid, psid)) {
674                    admin = TRUE;
675                    break;
676                }
677            }
678            FreeSid (psid);
679            GlobalFree (ptg);
680        }
681    
682      hd = new reminder_hd_s;      CloseHandle (hd);
683      hd->dlg = dlg;      return admin;
     hd->msecs = msecs;  
     hd->hd = CreateThread (NULL, 0, foreground_reminder_thread,  
                            hd, NULL, &tid);  
684  }  }
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