/[winpt]/trunk/Src/wptW32API.cpp
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revision 190 by twoaday, Mon Mar 27 10:05:14 2006 UTC revision 271 by twoaday, Sun Nov 5 08:57:45 2006 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, 2002, 2003, 2005, 2006 Timo Schulz
3   *   *
4   * This file is part of WinPT.   * This file is part of WinPT.
5   *   *
# 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    /* Insert a new item into the menu @hm at position @pos. */
46    void
47    insert_menu_item (HMENU hm, int pos, UINT m_id, const char *text)
48    {
49        MENUITEMINFO mi;
50    
51        memset (&mi, 0, sizeof mi);
52        mi.cbSize = sizeof mi;
53        mi.fType = MF_STRING;
54        mi.dwTypeData = (char *)text;
55        mi.cch = strlen (text);
56        mi.wID = m_id;
57        mi.fMask = MIIM_ID|MIIM_DATA| MIIM_TYPE;
58        InsertMenuItem (hm, pos, FALSE, &mi);
59    }
60    
61    
62  static void  static void
63  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)
64  {  {
# Line 108  enum { Line 126  enum {
126     id can be either FILE_OPEN or FILE_SAVE.     id can be either FILE_OPEN or FILE_SAVE.
127     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. */
128  const char *  const char *
129  get_filename_dlg (HWND hwnd, int id, const char * title,  get_filename_dlg (HWND hwnd, int id, const char *title,
130                    const char * filter, const char * name)                    const char *filter, const char *name)
131  {  {
132      static char file[512] = "";      static char file[2*MAX_PATH+1] = "";
133        char workdir[MAX_PATH+1];
134        char *sel_file = NULL;
135      OPENFILENAME open;      OPENFILENAME open;
136            
137      if (name && strlen (name) < (sizeof (file)-1))      if (name && strlen (name) < (DIM (file)-1))
138          strcpy (file, name);          strcpy (file, name);
139      else      else
140          memset (file, 0, sizeof (file));          memset (file, 0, sizeof (file));
141      if (!filter)      if (!filter)
142          filter = "All Files (*.*)\0*.*\0\0";          filter = "All Files (*.*)\0*.*\0\0";
143      /* XXX: problem with gettext because of the 'artificial'  
144              double string termination!. */      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 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);
271        CloseClipboard ();
272      GlobalFree (clipmem);      GlobalFree (clipmem);
273            
 leave:  
     CloseClipboard ();  
274      return rc;      return rc;
275  }  }
276    
# Line 259  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 287  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  }  }
# Line 414  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 471  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    
# Line 481  center_window (HWND hwndChild, HWND hwnd Line 497  center_window (HWND hwndChild, HWND hwnd
497     Format: MAJOR.MINOR.PATCH1.PATCH2     Format: MAJOR.MINOR.PATCH1.PATCH2
498     Return value: 0 on success. */     Return value: 0 on success. */
499  int  int
500  get_file_version (const char *fname, WORD *major, WORD *minor,  get_file_version (const char *fname,
501                    WORD *patch1, WORD *patch2)                    WORD *major, WORD *minor, WORD *patch1, WORD *patch2)
502  {  {
503      VS_FIXEDFILEINFO *inf = {0};      VS_FIXEDFILEINFO *inf;
504      char file[MAX_PATH+1] = {0};      char file[MAX_PATH+1] = {0};
505      LPVOID buf, data;      LPVOID buf, data;
506      DWORD arg;      DWORD arg;
# Line 495  get_file_version (const char *fname, WOR Line 511  get_file_version (const char *fname, WOR
511      size = GetFileVersionInfoSize (file, &arg);      size = GetFileVersionInfoSize (file, &arg);
512      if (!size)      if (!size)
513          return -1;          return -1;
514      buf = (LPVOID)new CHAR[size];      buf = (LPVOID)new char[size];
515      if (!buf)      if (!buf)
516          BUG (NULL);          BUG (NULL);
517      GetFileVersionInfo (file, 0, size, buf);      GetFileVersionInfo (file, 0, size, buf);
# Line 503  get_file_version (const char *fname, WOR Line 519  get_file_version (const char *fname, WOR
519      qlen=0;      qlen=0;
520      VerQueryValue (buf, "\\", &data, &qlen);      VerQueryValue (buf, "\\", &data, &qlen);
521      if (!qlen) {      if (!qlen) {
522          delete [] (char*)buf;          delete [](char*)buf;
523          return -1;          return -1;
524      }      }
525      inf = (VS_FIXEDFILEINFO*)data;      inf = (VS_FIXEDFILEINFO*)data;
# Line 517  get_file_version (const char *fname, WOR Line 533  get_file_version (const char *fname, WOR
533      if (patch2)      if (patch2)
534          *patch2 = LOWORD (inf->dwProductVersionLS);          *patch2 = LOWORD (inf->dwProductVersionLS);
535    
536      delete [] (char*)buf;      delete [](char*)buf;
537      return 0;      return 0;
538  }  }
539    
# Line 551  get_temp_name (char *buf, DWORD buflen, Line 567  get_temp_name (char *buf, DWORD buflen,
567  {  {
568      char tmp[32];      char tmp[32];
569    
570        
571      if (!name) {      if (!name) {
572          sprintf (tmp, "%08lX", GetTickCount ());          _snprintf (tmp, DIM (tmp)-1, "%08lX", GetTickCount ());
573          name = tmp;          name = tmp;
574      }      }
575    
576      /* in the mobile mode we use a local temp folder      /* In the mobile mode we need to use the current directory
577         with the fixed name 'temp'. */         as the temp path because no files should be stored outside
578      if (mobile_mode_active) {         the USB disk drive. */
579          _snprintf (buf, buflen-1, "temp\\%s", name);  #ifdef WINPT_MOBILE
580          return 0;      memset (buf, 0, buflen);
581      }      strncpy (buf, name, buflen-1);
582        return 0;
583    #endif
584    
585      if (!GetTempPath (buflen - strlen (name) -2, buf)) {      if (!GetTempPath (buflen - strlen (name) -2, buf)) {
586          log_debug ("GetTempPath() failed ec=%d\n", (int)GetLastError ());          log_debug ("GetTempPath() failed ec=%d\n", (int)GetLastError ());
587          return -1;          return -1;
588      }      }
589    
590      strcat (buf, name);      strcat (buf, name);
591      return 0;      return 0;
592  }  }
593    
594    
595  struct reminder_hd_s {  void
596      int msecs;  ListBox_AddString_utf8 (HWND lb, const char *txt)
597      HWND dlg;  {
598      HANDLE hd;      char *utf8_txt;
 };  
599    
600        utf8_txt = utf8_to_native (txt);
601        SendMessage (lb, LB_ADDSTRING, 0, (LPARAM)(LPCSTR)(utf8_txt));
602        safe_free (utf8_txt);
603    }
604    
605  static DWORD CALLBACK  
606  foreground_reminder_thread (void *c)  void
607    ComboBox_AddString_utf8 (HWND cb, const char *txt)
608  {  {
609      struct reminder_hd_s *ctx = (struct reminder_hd_s *)c;  
610      Sleep (ctx->msecs);      char *utf8_txt;
611      SetForegroundWindow (ctx->dlg);  
612      CloseHandle (ctx->hd);      utf8_txt = utf8_to_native (txt);
613      delete ctx;      SendMessage ((cb), CB_ADDSTRING, 0, (LPARAM)(LPCSTR)(utf8_txt));
614      ExitThread (0);      safe_free (utf8_txt);
     return 0;  
615  }  }
616    
617  /* Try to force the window @dlg to the foreground.  
618     On NT5 or later this will not work if the user  /* GetDlgItemText replacement with UTF8 support. */
619     is working in another window (console for example). */  int
620  void  GetDlgItemText_utf8 (HWND dlg, int id, char **r_txt)
621  force_foreground_window (HWND dlg, int msecs)  {
622        int len = GetWindowTextLength (GetDlgItem (dlg, id));
623        char *txt;
624    
625        *r_txt = NULL;
626        if (len < 1)
627            return 0;
628        txt = new char[len+2];
629        if (!txt)
630            BUG (NULL);
631        GetDlgItemText (dlg, id, txt, len+1);
632        *r_txt = native_to_utf8 (txt);
633        free_if_alloc (txt);
634        return len;
635    }
636    
637    
638    /* Return TRUE if the current user has admin privileges. */
639    BOOL
640    user_is_admin (void)
641  {  {
642      struct reminder_hd_s *hd;      SID_IDENTIFIER_AUTHORITY SystemSidAuthority = SECURITY_NT_AUTHORITY;
643      DWORD tid;      HANDLE hd;
644        TOKEN_GROUPS  *ptg = NULL;
645        DWORD ngtoken;
646        DWORD i;
647        BOOL admin = FALSE;
648        PSID psid = 0;
649    
650        if (GetVersion () & 0x80000000) /* Win9X */
651            return TRUE;
652    
653        if (!OpenThreadToken (GetCurrentThread (), TOKEN_QUERY, FALSE, &hd) &&
654            !OpenProcessToken (GetCurrentProcess (), TOKEN_QUERY, &hd))
655            return FALSE;
656        
657        if (!GetTokenInformation (hd, TokenGroups, NULL, 0, &ngtoken) &&
658            GetLastError() == ERROR_INSUFFICIENT_BUFFER) {
659            ptg = (TOKEN_GROUPS*)GlobalAlloc (GPTR, ngtoken);
660            if (!ptg)
661                return FALSE;
662    
663            if (!GetTokenInformation (hd, TokenGroups,
664                                      ptg, ngtoken, &ngtoken)) {
665                GlobalFree (ptg);
666                return FALSE;
667            }
668            AllocateAndInitializeSid (&SystemSidAuthority,
669                                      2, SECURITY_BUILTIN_DOMAIN_RID,
670                                      DOMAIN_ALIAS_RID_ADMINS,
671                                      0, 0, 0, 0, 0, 0,
672                                      &psid);
673            for (i = 0; i < ptg->GroupCount; i++) {
674                if (EqualSid (ptg->Groups[i].Sid, psid)) {
675                    admin = TRUE;
676                    break;
677                }
678            }
679            FreeSid (psid);
680            GlobalFree (ptg);
681        }
682    
683      hd = new reminder_hd_s;      CloseHandle (hd);
684      hd->dlg = dlg;      return admin;
     hd->msecs = msecs;  
     hd->hd = CreateThread (NULL, 0, foreground_reminder_thread,  
                            hd, NULL, &tid);  
685  }  }
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