/[winpt]/trunk/Src/wptW32API.cpp
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revision 129 by twoaday, Fri Dec 30 13:56:10 2005 UTC revision 368 by twoaday, Tue Dec 6 13:40:04 2011 UTC
# Line 1  Line 1 
1  /* wptW32API.cpp - Common W32 API functions  /* wptW32API.cpp - Common W32 API functions
2   *      Copyright (C) 2001, 2002, 2003, 2005 Timo Schulz   *      Copyright (C) 2001-2003, 2005-2006, 2009 Timo Schulz
3   *   *
4   * This file is part of WinPT.   * This file is part of WinPT.
5   *   *
# Line 12  Line 12 
12   * but WITHOUT ANY WARRANTY; without even the implied warranty of   * but WITHOUT ANY WARRANTY; without even the implied warranty of
13   * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the   * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
14   * GNU General Public License for more details.   * GNU General Public License for more details.
  *  
  * You should have received a copy of the GNU General Public License  
  * along with WinPT; if not, write to the Free Software Foundation,  
  * Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA  
15   */   */
   
16  #ifdef HAVE_CONFIG_H  #ifdef HAVE_CONFIG_H
17  #include <config.h>  #include <config.h>
18  #endif  #endif
# Line 35  Line 30 
30  #include "wptW32API.h"  #include "wptW32API.h"
31  #include "wptErrors.h"  #include "wptErrors.h"
32  #include "wptVersion.h"  #include "wptVersion.h"
33    #include "wptUTF8.h"
34  #include "wptTypes.h"  #include "wptTypes.h"
35    #include "StringBuffer.h"
36    
37    
38  extern "C" void _SHFree (void *p);  extern "C" void _SHFree (void *p);
39    
40    
41    /* Insert a new item into the menu @hm at position @pos. */
42    void
43    insert_menu_item (HMENU hm, int pos, UINT m_id, const char *text)
44    {
45        MENUITEMINFO mi;
46    
47        memset (&mi, 0, sizeof mi);
48        mi.cbSize = sizeof mi;
49        mi.fType = MF_STRING;
50        mi.dwTypeData = (char *)text;
51        mi.cch = strlen (text);
52        mi.wID = m_id;
53        mi.fMask = MIIM_ID|MIIM_DATA| MIIM_TYPE;
54        InsertMenuItem (hm, pos, FALSE, &mi);
55    }
56    
57    
58  static void  static void
59  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)
60  {  {
# Line 108  enum { Line 122  enum {
122     id can be either FILE_OPEN or FILE_SAVE.     id can be either FILE_OPEN or FILE_SAVE.
123     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. */
124  const char *  const char *
125  get_filename_dlg (HWND hwnd, int id, const char * title,  get_filename_dlg (HWND hwnd, int id, const char *title,
126                    const char * filter, const char * name)                    const char *filter, const char *name)
127  {  {
128      static char file[512] = "";      static char file[2*MAX_PATH+1] = "";
129        char _filter[512];
130        char workdir[MAX_PATH+1];
131        char *sel_file = NULL;
132      OPENFILENAME open;      OPENFILENAME open;
133            
134      if (name && strlen (name) < (sizeof (file)-1))      if (name && strlen (name) < (DIM (file)-1))
135          strcpy (file, name);          strcpy (file, name);
136      else      else
137          memset (file, 0, sizeof (file));          memset (file, 0, sizeof (file));
138      if (!filter)      if (!filter) {      
139          filter = _("All Files (*.*)\0*.*\0\0");          strcpy (_filter, _("All Files (*.*)"));
140      /* XXX: problem with gettext because of the 'artificial'          memcpy (_filter+strlen (_filter)+1, "*.*\0\0", 5);
141              double string termination!. */          filter = _filter;
142        }
143    
144        GetCurrentDirectory (MAX_PATH, workdir);
145      memset (&open, 0, sizeof (open));      memset (&open, 0, sizeof (open));
146      open.lStructSize = sizeof (OPENFILENAME);      open.lStructSize = sizeof (OPENFILENAME);
147      open.hInstance = glob_hinst;      open.hInstance = glob_hinst;
# Line 129  get_filename_dlg (HWND hwnd, int id, con Line 149  get_filename_dlg (HWND hwnd, int id, con
149      open.lpstrFilter = filter;      open.lpstrFilter = filter;
150      open.hwndOwner = hwnd;      open.hwndOwner = hwnd;
151      open.lpstrFile = file;      open.lpstrFile = file;
152      open.nMaxFile = sizeof (file) - 1;      open.nMaxFile = DIM (file) - 1;
153      if (id == CDLG_FILE_OPEN)      if (id == CDLG_FILE_OPEN)
154          open.Flags = OFN_FILEMUSTEXIST|OFN_PATHMUSTEXIST;          open.Flags = OFN_FILEMUSTEXIST|OFN_PATHMUSTEXIST;
155      else      else
156          open.Flags = OFN_OVERWRITEPROMPT;          open.Flags = OFN_OVERWRITEPROMPT;
157    
158      if (id == CDLG_FILE_OPEN && GetOpenFileName (&open))      if (id == CDLG_FILE_OPEN && GetOpenFileName (&open))
159          return open.lpstrFile;          sel_file = open.lpstrFile;
160      else if (id == CDLG_FILE_SAVE && GetSaveFileName (&open))      else if (id == CDLG_FILE_SAVE && GetSaveFileName (&open))
161          return open.lpstrFile;          sel_file = open.lpstrFile;
162        SetCurrentDirectory (workdir);
163            
164      return NULL;      return sel_file;
165  }  }
166    
167  const char*  const char*
# Line 163  get_fileopen_dlg (HWND hwnd, const char Line 184  get_fileopen_dlg (HWND hwnd, const char
184  const char*  const char*
185  get_folder_dlg (HWND hwnd, const char *title, const char *name)  get_folder_dlg (HWND hwnd, const char *title, const char *name)
186  {  {
187      static char folder[MAX_PATH+1] = "";      static char folder[2*MAX_PATH+1] = "";
188      BROWSEINFO bi;      BROWSEINFO bi;
189      ITEMIDLIST *il;      ITEMIDLIST *il;
190    
# Line 176  get_folder_dlg (HWND hwnd, const char *t Line 197  get_folder_dlg (HWND hwnd, const char *t
197      else      else
198          memset (folder, 0, sizeof (folder));          memset (folder, 0, sizeof (folder));
199      il = SHBrowseForFolder (&bi);      il = SHBrowseForFolder (&bi);
200      if (il) {      if (il != NULL) {
201          SHGetPathFromIDList (il, folder);          SHGetPathFromIDList (il, folder);
202          _SHFree (il);          _SHFree (il);
203          return folder;          return folder;
# Line 238  set_clip_text (HWND hwnd, const char *te Line 259  set_clip_text (HWND hwnd, const char *te
259          BUG (NULL);          BUG (NULL);
260      p = (char *) GlobalLock (clipmem);      p = (char *) GlobalLock (clipmem);
261      if (p == NULL) {      if (p == NULL) {
262          rc = WPTERR_GENERAL;;          CloseClipboard ();
263          goto leave;              GlobalFree (clipmem);
264            return WPTERR_GENERAL;
265      }      }
266      memcpy (p, text, nbytes);      memcpy (p, text, nbytes);
267      p[nbytes] = '\0';      p[nbytes] = '\0';
268            
     GlobalUnlock (clipmem);  
269      SetClipboardData (CF_TEXT, clipmem);      SetClipboardData (CF_TEXT, clipmem);
270            GlobalUnlock (clipmem);
 leave:  
271      CloseClipboard ();      CloseClipboard ();
272        GlobalFree (clipmem);
273        
274      return rc;      return rc;
275  } /* set_clip_text */  }
276    
277    
278  /* Append or prepend some text to the clipboard contents.  /* Append or prepend some text to the clipboard contents.
# Line 258  leave: Line 280  leave:
280  int  int
281  set_clip_text2 (HWND hwnd, const char *text, int nbytes, int as_footer)  set_clip_text2 (HWND hwnd, const char *text, int nbytes, int as_footer)
282  {  {
283        const char *fmt;
284      char *p, *new_text;      char *p, *new_text;
285    
286      p = get_clip_text (hwnd);      p = get_clip_text (hwnd);
287      if (!p)      if (!p)
288          return WPTERR_CLIP_GET;          return WPTERR_CLIP_GET;
289      new_text = new char [strlen (p)+strlen (text)+8];      if (as_footer == 0)
290            fmt = "%s\r\n%s\r\n\r\n";
291        else
292            fmt = "%s\n%s\n\n";
293        new_text = new char [strlen (p)+strlen (text)+strlen (fmt)+2];
294      if (!new_text)      if (!new_text)
295          BUG (0);          BUG (0);
296      if (as_footer == 0)      if (as_footer == 0)
297          sprintf (new_text, "%s\r\n%s\r\n\r\n", text, p);          sprintf (new_text, fmt, text, p);
298      else      else
299          sprintf (new_text, "%s\n%s\n\n", p, text);          sprintf (new_text, fmt, p, text);
300      set_clip_text (hwnd, new_text, strlen (new_text)+1);      set_clip_text (hwnd, new_text, strlen (new_text)+1);
301      free_if_alloc (p);      free_if_alloc (p);
302      free_if_alloc (new_text);      free_if_alloc (new_text);
# Line 286  make_filename (const char *path, const c Line 313  make_filename (const char *path, const c
313      char *p;      char *p;
314      size_t size = 0;      size_t size = 0;
315    
316      if( path && *path )      if (path && *path)
317          size += strlen( path );          size += strlen (path);
318      if( file && *file )      if (file && *file)
319          size += strlen( file );          size += strlen (file);
320      if( ext && *ext )      if (ext && *ext)
321          size += strlen( ext );          size += strlen (ext);
322      p = new char[size + 4];      p = new char[size + 4];
323      memset( p, 0, size );      if (!p)
324      if( path ) {          BUG (0);
325          strcat( p, path );      memset (p, 0, size);
326          if( path[strlen( path ) -1] != '\\' )      if (path) {
327              strcat( p, "\\" );          strcat (p, path);
328      }          if (path[strlen (path) -1] != '\\')
329      if( file )              strcat (p, "\\");
330          strcat( p, file );      }
331      if( ext ) {      if (file != NULL)
332          strcat( p, "." );          strcat (p, file);
333          strcat( p, ext );      if (ext != NULL) {
334            strcat (p, ".");
335            strcat (p, ext);
336      }      }
337      return p;      return p;
338  }  }
339    
340    
341    /* Generates a file name from a special dirctory. */
342    char*
343    make_special_filename (int folder, const char *file, const char *ext)
344    {
345        BOOL ec;
346        char path[MAX_PATH+1], *p;
347        size_t n=0;
348    
349        /* MSDN: buf must be at least MAX_PATH=256 bytes */
350        ec = SHGetSpecialFolderPath (HWND_DESKTOP, path, folder, TRUE);
351        if (ec != 1) {
352            log_debug ("SHGetSpecialFolderPath() failed\r\n", (int)GetLastError ());
353            return NULL;
354        }
355    
356        n = strlen (path)+1;
357        if (file)
358            n += strlen (file)+1;
359        if (ext)
360            n += strlen (ext)+1;
361        p = new char[n+2];
362        if (!p)
363            BUG (0);
364        memset (p, 0, n+2);
365        strcpy (p, path);    
366        if (file) {
367            strcat (p, "\\");
368            strcat (p, file);
369        }
370        if (ext)
371            strcat (p, ext);
372        return p;
373    }
374    
375    
376  /* return 0 if the file @fname exists, otherwise >0. */  /* return 0 if the file @fname exists, otherwise >0. */
377  int  int
378  file_exist_check (const char *fname)  file_exist_check (const char *fname)
# Line 354  get_file_size (const char *fname) Line 418  get_file_size (const char *fname)
418  }  }
419    
420    
 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 */  
   
   
421  /* 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
422     dialog is not already openened. */     dialog is not already openened. */
423  int  int
# Line 409  msg_box (HWND hwnd, const char *text, co Line 442  msg_box (HWND hwnd, const char *text, co
442  }  }
443    
444    
 /* Safe strdup version (C++ version). */  
 char*  
 m_strdup (const char *str)  
 {  
     char *p = new char[strlen (str) + 1];  
     if (!p)  
         BUG (NULL);  
     strcpy (p, str);  
     return p;  
 }  
   
   
445  /* Center the hwndChild relative to parent.  /* Center the hwndChild relative to parent.
446     The style param allows to specificy additional styles (like topmost). */     The style param allows to specificy additional styles (like topmost). */
447  void  void
# Line 466  center_window2 (HWND hwndChild, HWND par Line 487  center_window2 (HWND hwndChild, HWND par
487    
488  /* Center the given hwndChild window with no special style. */  /* Center the given hwndChild window with no special style. */
489  void  void
490  center_window (HWND hwndChild, HWND hwndParent)  center_window (HWND child, HWND parent)
491  {  {
492      center_window2 (hwndChild, hwndParent, NULL);      center_window2 (child, parent, NULL);
493  }  }
494    
495    
 /* Retrieve the product verion of the given file @fname.  
    Format: MAJOR.MINOR.PATCH1.PATCH2  
    Return value: 0 on success. */  
 int  
 get_file_version (const char *fname, WORD *major, WORD *minor,  
                   WORD *patch1, WORD *patch2)  
 {  
     VS_FIXEDFILEINFO *inf = {0};  
     char file[MAX_PATH+1] = {0};  
     LPVOID buf, data;  
     DWORD arg;  
     DWORD size;  
     UINT qlen;  
   
     strncpy (file, fname, MAX_PATH);  
     size = GetFileVersionInfoSize (file, &arg);  
     if (!size)  
         return -1;  
     buf = (LPVOID)new CHAR[size];  
     if (!buf)  
         BUG (NULL);  
     GetFileVersionInfo (file, 0, size, buf);  
   
     qlen=0;  
     VerQueryValue (buf, "\\", &data, &qlen);  
     if (!qlen) {  
         delete [] (char*)buf;  
         return -1;  
     }  
     inf = (VS_FIXEDFILEINFO*)data;  
   
     if (major)  
         *major = HIWORD (inf->dwProductVersionMS);  
     if (minor)  
         *minor = LOWORD (inf->dwProductVersionMS);  
     if (patch1)  
         *patch1 = HIWORD (inf->dwProductVersionLS);      
     if (patch2)  
         *patch2 = LOWORD (inf->dwProductVersionLS);  
   
     delete [] (char*)buf;  
     return 0;  
 }  
496    
497    
498  /* Return date in a format which complies with the  /* Return date in a format which complies with the
499     system locale settings. */     locale user settings. */
500  const char*  const char*
501  get_locale_date (long tm_t, char *buf, DWORD buflen)  get_locale_date (long tm_t, char *buf, DWORD buflen)
502  {  {
503      SYSTEMTIME st;      SYSTEMTIME st;
504      struct tm *ptm;      struct tm *ptm;
505    
506      ptm = localtime (&tm_t);        ptm = localtime (&tm_t);
507      st.wYear = (WORD)ptm->tm_year;      memset (&st, 0, sizeof (st));
508      st.wMonth = (WORD)ptm->tm_mon;      st.wYear = (WORD)ptm->tm_year+1900;
509        st.wMonth = (WORD)ptm->tm_mon+1;
510      st.wDay = (WORD)ptm->tm_mday;      st.wDay = (WORD)ptm->tm_mday;
     st.wYear += 1900;  
     st.wMonth += 1;  
511      if (!GetDateFormat (LOCALE_USER_DEFAULT, DATE_SHORTDATE, &st,      if (!GetDateFormat (LOCALE_USER_DEFAULT, DATE_SHORTDATE, &st,
512                          NULL, buf, buflen))                          NULL, buf, buflen))
513          return NULL;          return NULL;
514      return buf;      return buf;
515  }  }
516    
517    /* Return the time in a format which complies with the locale user
518       settings. */
519    const char*
520    get_locale_time (long tm_t, char *buf, DWORD buflen)
521    {
522        SYSTEMTIME st;
523        struct tm *ptm;
524    
525  struct reminder_hd_s {      ptm = localtime (&tm_t);
526      int msecs;      memset (&st, 0, sizeof (st));
527      HWND dlg;      st.wMinute = (WORD)ptm->tm_min;
528      HANDLE hd;      st.wHour = (WORD)ptm->tm_hour;
529  };      st.wSecond = (WORD)ptm->tm_sec;
530    
531        if (!GetTimeFormat (LOCALE_USER_DEFAULT, TIME_FORCE24HOURFORMAT, &st,
532                            NULL, buf, buflen))
533            return NULL;
534        return buf;
535    }
536    
537  static DWORD CALLBACK  
538  foreground_reminder_thread (void *c)  /* Return a combination of date+time which complies to the
539       local user settings. */
540    const char*
541    get_locale_timedate (long tm_t, char *buf, DWORD buflen)
542  {  {
543      struct reminder_hd_s *ctx = (struct reminder_hd_s *)c;      DWORD nleft = buflen;
544      Sleep (ctx->msecs);  
545      SetForegroundWindow (ctx->dlg);      if (!get_locale_date (tm_t, buf, buflen))
546      CloseHandle (ctx->hd);          return NULL;
547      delete ctx;      nleft -= strlen (buf)+1;
548      ExitThread (0);      if (nleft < 1)
549            return NULL;
550        strcat (buf, " ");
551        nleft--;
552        if (!get_locale_time (tm_t, buf+strlen (buf), nleft))
553            return NULL;
554        return buf;
555    }
556    
557    
558    /* Generate a temporary file name by using the users
559       temp path and optionally a name @name provided by the caller.
560       Return value: 0 on success. */
561    int
562    get_temp_name (char *buf, DWORD buflen, const char *name)
563    {
564        char tmp[32];
565    
566        
567        if (!name) {
568            _snprintf (tmp, DIM (tmp)-1, "%08lX", GetTickCount ());
569            name = tmp;
570        }
571    
572        if (!GetTempPath (buflen - strlen (name) -2, buf)) {
573            log_debug ("GetTempPath() failed ec=%d\n", (int)GetLastError ());
574            return -1;
575        }
576    
577        strcat (buf, name);
578      return 0;      return 0;
579  }  }
580    
581  /* 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). */  
582  void  void
583  force_foreground_window (HWND dlg, int msecs)  ListBox_AddString_utf8 (HWND lb, const char *txt)
584    {
585        char *utf8_txt;
586    
587        utf8_txt = utf8_to_native (txt);
588        SendMessage (lb, LB_ADDSTRING, 0, (LPARAM)(LPCSTR)(utf8_txt));
589        safe_free (utf8_txt);
590    }
591    
592    
593    void
594    ComboBox_AddString_utf8 (HWND cb, const char *txt)
595    {
596        char *utf8_txt;
597    
598        utf8_txt = utf8_to_native (txt);
599        SendMessage ((cb), CB_ADDSTRING, 0, (LPARAM)(LPCSTR)(utf8_txt));
600        safe_free (utf8_txt);
601    }
602    
603    
604    /* GetDlgItemText replacement with UTF8 support. */
605    int
606    GetDlgItemText_utf8 (HWND dlg, int id, char **r_txt)
607  {  {
608      struct reminder_hd_s *hd;      int len = GetWindowTextLength (GetDlgItem (dlg, id));
609      DWORD tid;      char *txt;
610    
611        *r_txt = NULL;
612        if (len < 1)
613            return 0;
614        txt = new char[len+2];
615        if (!txt)
616            BUG (NULL);
617        GetDlgItemText (dlg, id, txt, len+1);
618        *r_txt = native_to_utf8 (txt);
619        free_if_alloc (txt);
620        return len;
621    }
622    
623    int
624    html_help_show (int map_id)
625    {
626        STARTUPINFO si;
627        PROCESS_INFORMATION pi;
628        SECURITY_ATTRIBUTES sec_attr;
629        char path[2*MAX_PATH+1];
630        
631        memset (&sec_attr, 0, sizeof (sec_attr));
632        memset (&si, 0, sizeof (si));
633        si.cb = sizeof (STARTUPINFO);
634        memset (&pi, 0, sizeof (pi));
635        //hh.exe -mapid 40 "winpt.$lang.chm"
636        
637        _snprintf (path, 2*MAX_PATH, "hh.exe -mapid %d winpt.%s.chm", map_id, gettext_get_langid ());
638        CreateProcess (NULL, path, &sec_attr, &sec_attr, FALSE, 0, NULL, NULL, &si, &pi);
639        CloseHandle (pi.hProcess);
640        CloseHandle (pi.hThread);
641        return 0;
642    }
643                      
644      
645    /* Return TRUE if the current user has admin privileges. */
646    BOOL
647    user_is_admin (void)
648    {
649        SID_IDENTIFIER_AUTHORITY SystemSidAuthority = SECURITY_NT_AUTHORITY;
650        HANDLE hd;
651        TOKEN_GROUPS  *ptg = NULL;
652        DWORD ngtoken;
653        DWORD i;
654        BOOL admin = FALSE;
655        PSID psid = 0;
656    
657        if (!OpenThreadToken (GetCurrentThread (), TOKEN_QUERY, FALSE, &hd) &&
658            !OpenProcessToken (GetCurrentProcess (), TOKEN_QUERY, &hd))
659            return FALSE;
660        
661        if (!GetTokenInformation (hd, TokenGroups, NULL, 0, &ngtoken) &&
662            GetLastError() == ERROR_INSUFFICIENT_BUFFER) {
663            ptg = (TOKEN_GROUPS*)GlobalAlloc (GPTR, ngtoken);
664            if (!ptg)
665                return FALSE;
666    
667            if (!GetTokenInformation (hd, TokenGroups, ptg, ngtoken, &ngtoken)) {
668                GlobalFree (ptg);
669                return FALSE;
670            }
671            AllocateAndInitializeSid (&SystemSidAuthority,
672                                      2, SECURITY_BUILTIN_DOMAIN_RID,
673                                      DOMAIN_ALIAS_RID_ADMINS,
674                                      0, 0, 0, 0, 0, 0,
675                                      &psid);
676            for (i = 0; i < ptg->GroupCount; i++) {
677                if (EqualSid (ptg->Groups[i].Sid, psid)) {
678                    admin = TRUE;
679                    break;
680                }
681            }
682            FreeSid (psid);
683            GlobalFree (ptg);
684        }
685    
686      hd = new reminder_hd_s;      CloseHandle (hd);
687      hd->dlg = dlg;      return admin;
     hd->msecs = msecs;  
     hd->hd = CreateThread (NULL, 0, foreground_reminder_thread,  
                            hd, NULL, &tid);  
688  }  }
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