/[winpt]/trunk/Src/wptW32API.cpp
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revision 77 by twoaday, Mon Nov 14 15:01:01 2005 UTC revision 193 by twoaday, Sat Apr 1 12:36:35 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 Timo Schulz   *      Copyright (C) 2001, 2002, 2003, 2005 Timo Schulz
3   *   *
4   * This file is part of WinPT.   * This file is part of WinPT.
5   *   *
# Line 29  Line 29 
29  #include <shellapi.h>  #include <shellapi.h>
30  #include <shlobj.h>  #include <shlobj.h>
31  #include <commctrl.h>  #include <commctrl.h>
32    #include <time.h>
33    
34  #include "wptNLS.h"  #include "wptNLS.h"
35  #include "wptW32API.h"  #include "wptW32API.h"
# Line 40  Line 41 
41  extern "C" void _SHFree (void *p);  extern "C" void _SHFree (void *p);
42    
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 56  set_menu_text_ext (HMENU menu, int by_po Line 75  set_menu_text_ext (HMENU menu, int by_po
75    
76  /* Set the text of a menu item @m_uid to @text. */  /* Set the text of a menu item @m_uid to @text. */
77  void  void
78  set_menu_text (HMENU menu, int m_uid, const char *text)  set_menu_text (HMENU menu, UINT m_uid, const char *text)
79  {  {
80      set_menu_text_ext (menu, 0, m_uid, text);      set_menu_text_ext (menu, 0, m_uid, text);
81  }  }
# Line 64  set_menu_text (HMENU menu, int m_uid, co Line 83  set_menu_text (HMENU menu, int m_uid, co
83    
84  /* Set the text of a menu item with the position @pos to @text. */  /* Set the text of a menu item with the position @pos to @text. */
85  void  void
86  set_menu_text_bypos (HMENU menu, int pos, const char *text)  set_menu_text_bypos (HMENU menu, UINT pos, const char *text)
87  {  {
88      set_menu_text_ext (menu, 1, pos, text);      set_menu_text_ext (menu, 1, pos, text);
89  }  }
# Line 72  set_menu_text_bypos (HMENU menu, int pos Line 91  set_menu_text_bypos (HMENU menu, int pos
91    
92  /* Set the state of a menu item @m_uid to @state. */  /* Set the state of a menu item @m_uid to @state. */
93  void  void
94  set_menu_state (HMENU menu, int m_uid, int state)  set_menu_state (HMENU menu, UINT m_uid, UINT state)
95  {        {      
96      MENUITEMINFO mii;      MENUITEMINFO mii;
97    
98      memset( &mii, 0, sizeof (mii) );      memset (&mii, 0, sizeof (mii));
99      mii.cbSize = sizeof (mii);      mii.cbSize = sizeof (mii);
100      mii.fMask = MIIM_STATE;      mii.fMask = MIIM_STATE;
101      mii.fState = state;      mii.fState = state;
# Line 84  set_menu_state (HMENU menu, int m_uid, i Line 103  set_menu_state (HMENU menu, int m_uid, i
103  }  }
104    
105    
106    /* Retrieve the state of the menu item @m_uid and return it. */
107    UINT
108    get_menu_state (HMENU menu, UINT m_uid)
109    {
110        MENUITEMINFO mii;
111    
112        memset (&mii, 0, sizeof (mii));
113        mii.cbSize = sizeof (mii);
114        mii.fMask = MIIM_STATE;
115        GetMenuItemInfo (menu, m_uid, FALSE, &mii);
116        return mii.fState;
117    }
118    
119    
120  enum {  enum {
121      CDLG_FILE_OPEN = 0,      CDLG_FILE_OPEN = 0,
122      CDLG_FILE_SAVE = 1      CDLG_FILE_SAVE = 1
# Line 93  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[512] = "";
133      OPENFILENAME open;      OPENFILENAME open;
# Line 104  get_filename_dlg (HWND hwnd, int id, con Line 137  get_filename_dlg (HWND hwnd, int id, con
137      else      else
138          memset (file, 0, sizeof (file));          memset (file, 0, sizeof (file));
139      if (!filter)      if (!filter)
140          filter = _("All Files (*.*)\0*.*\0\0");          filter = "All Files (*.*)\0*.*\0\0";
141      /* XXX: problem with gettext because of the 'artificial'      /* XXX: problem with gettext because of the 'artificial'
142              double string termination!. */              double string termination!. */
143      memset (&open, 0, sizeof (open));      memset (&open, 0, sizeof (open));
# Line 135  get_filesave_dlg (HWND hwnd, const char Line 168  get_filesave_dlg (HWND hwnd, const char
168      return get_filename_dlg (hwnd, CDLG_FILE_SAVE, title, filter, name);      return get_filename_dlg (hwnd, CDLG_FILE_SAVE, title, filter, name);
169  }  }
170    
171  const char *  const char*
172  get_fileopen_dlg (HWND hwnd, const char *title, const char *filter,  get_fileopen_dlg (HWND hwnd, const char *title, const char *filter,
173                    const char *name)                    const char *name)
174  {  {
# Line 146  get_fileopen_dlg (HWND hwnd, const char Line 179  get_fileopen_dlg (HWND hwnd, const char
179  /* Use the common dialog to allow the user to select a folder.  /* Use the common dialog to allow the user to select a folder.
180     The return value is either the folder path or NULL if cancel was chosen. */     The return value is either the folder path or NULL if cancel was chosen. */
181  const char*  const char*
182  get_folder_dlg (HWND hwnd, const char * title, const char * name)  get_folder_dlg (HWND hwnd, const char *title, const char *name)
183  {  {
184      static char folder[MAX_PATH+1] = "";      static char folder[MAX_PATH+1] = "";
185      BROWSEINFO bi;      BROWSEINFO bi;
186      ITEMIDLIST * il;      ITEMIDLIST *il;
187    
188      memset (&bi, 0, sizeof (bi));      memset (&bi, 0, sizeof (bi));
189      bi.hwndOwner = hwnd;      bi.hwndOwner = hwnd;
# Line 231  set_clip_text (HWND hwnd, const char *te Line 264  set_clip_text (HWND hwnd, const char *te
264            
265      GlobalUnlock (clipmem);      GlobalUnlock (clipmem);
266      SetClipboardData (CF_TEXT, clipmem);      SetClipboardData (CF_TEXT, clipmem);
267        GlobalFree (clipmem);
268            
269  leave:  leave:
270      CloseClipboard ();      CloseClipboard ();
271      return rc;      return rc;
272  } /* set_clip_text */  }
273    
274    
275  /* Append or prepend some text to the clipboard contents.  /* Append or prepend some text to the clipboard contents.
# Line 262  set_clip_text2 (HWND hwnd, const char *t Line 296  set_clip_text2 (HWND hwnd, const char *t
296  }  }
297    
298    
299  /* Make a file name out of the path, the file and an extension. */  /* Make a file name out of the path @path, the file @file and
300       an extension. @ext.
301       Return value: the full file name on success. */
302  char*  char*
303  make_filename (const char *path, const char *file, const char *ext)  make_filename (const char *path, const char *file, const char *ext)
304  {  {
# Line 289  make_filename (const char *path, const c Line 325  make_filename (const char *path, const c
325          strcat( p, ext );          strcat( p, ext );
326      }      }
327      return p;      return p;
328  } /* make_filename */  }
329    
330    
331    /* Generate a file name from a special dirctory. */
332    char*
333    make_special_filename (int folder, const char *file, const char *ext)
334    {
335        BOOL ec;
336        char path[MAX_PATH], *p;
337        size_t n=0;
338    
339        /* MSDN: buf must be at least MAX_PATH=256 bytes */
340        ec = SHGetSpecialFolderPath (HWND_DESKTOP, path, folder, TRUE);
341        if (ec != 1) {
342            log_debug ("SHGetSpecialFolderPath() failed\r\n", (int)GetLastError ());
343            return NULL;
344        }
345    
346        n = strlen (path)+1;
347        if (file)
348            n += strlen (file)+1;
349        if (ext)
350            n += strlen (ext)+1;
351        p = new char[n+2];
352        if (!p)
353            BUG (0);
354        memset (p, 0, n+2);
355        strcpy (p, path);    
356        if (file) {
357            strcat (p, "\\");
358            strcat (p, file);
359        }
360        if (ext)
361            strcat (p, ext);
362        return p;
363    }
364    
365    
366  /* return 0 if it exists, otherwise >0. */  /* return 0 if the file @fname exists, otherwise >0. */
367  int  int
368  file_exist_check (const char * fname)  file_exist_check (const char *fname)
369  {  {
370      struct stat st;      struct stat st;
371      if (stat (fname, &st) == -1)      if (stat (fname, &st) == -1)
# Line 310  dir_exist_check (const char *dir) Line 381  dir_exist_check (const char *dir)
381  {  {
382      struct stat statbuf;          struct stat statbuf;    
383            
384      if( stat( dir, &statbuf ) == -1 )      if (stat (dir, &statbuf) == -1)
385          return WPTERR_GENERAL;          return WPTERR_GENERAL;
386      if( statbuf.st_mode & _S_IFDIR )      if (statbuf.st_mode & _S_IFDIR)
387          return 0;          return 0;
388      return WPTERR_GENERAL;      return WPTERR_GENERAL;
389  }  }
# Line 337  get_file_size (const char *fname) Line 408  get_file_size (const char *fname)
408  }  }
409    
410    
 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 */  
   
   
411  /* 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
412     dialog is not already openened. */     dialog is not already openened. */
413  int  int
414  dialog_box_param( HINSTANCE hinst, LPCTSTR name, HWND parent, DLGPROC fnc,  dialog_box_param (HINSTANCE hinst, LPCTSTR name, HWND parent, DLGPROC fnc,
415                                    LPARAM param, LPCTSTR title, int title_id )                    LPARAM param, LPCTSTR title, int title_id)
416  {  {
417      #ifndef LANG_DE      if (FindWindowEx (GetDesktopWindow (), NULL, NULL, title))
     if( FindWindowEx( GetDesktopWindow(), NULL, NULL, title ) )  
         return -1;        
     #else  
     char strdesc[256];  
     LoadString( glob_hinst, title_id, strdesc, sizeof (strdesc) -1 );  
     if( FindWindowEx( GetDesktopWindow(), NULL, NULL, strdesc ) )  
418          return -1;          return -1;
419      #endif      return DialogBoxParam (hinst, name, parent, fnc, param);
420        }
     return DialogBoxParam( hinst, name, parent, fnc, param );  
 } /* dialog_box_param */  
421    
422    
423  /* Wrapper for message box which forces the message box into the  /* Wrapper for message box which forces the message box into the
# Line 400  msg_box (HWND hwnd, const char *text, co Line 432  msg_box (HWND hwnd, const char *text, co
432  }  }
433    
434    
435  void  /* Safe strdup version (C++ version). */
 set_active_window( HWND dlg)  
 {        
     activ_hwnd = dlg;  
 } /* set_active_window */  
   
 void  
 reset_active_window( void )  
 {        
     activ_hwnd = NULL;  
 } /* reset_active_window */  
   
   
 static DWORD CALLBACK  
 reminder_thread (void *ctx)  
 {  
     reminder_ctx_s *c = (reminder_ctx_s *)ctx;  
   
     Sleep( c->msecs );  
     SetForegroundWindow( activ_hwnd );  
   
     return 0;  
 } /* reminder_thread */  
   
   
 HANDLE  
 window_reminder( struct reminder_ctx_s *ctx )  
 {  
     DWORD tid = 0;  
       
     return CreateThread( NULL, 0, reminder_thread, ctx, 0, &tid );  
 } /* window_reminder */  
   
   
436  char*  char*
437  m_strdup (const char *str)  m_strdup (const char *str)
438  {  {
439      char * p = new char[strlen (str) + 1];      char *p = new char[strlen (str) + 1];
440      if (p)      if (!p)
441          strcpy (p, str);          BUG (NULL);
442        strcpy (p, str);
443      return p;      return p;
444  } /* m_strdup */  }
445    
446    
447  /* Center the hwndChild relative to parent.  /* Center the hwndChild relative to parent.
# Line 493  center_window (HWND hwndChild, HWND hwnd Line 493  center_window (HWND hwndChild, HWND hwnd
493  {  {
494      center_window2 (hwndChild, hwndParent, NULL);      center_window2 (hwndChild, hwndParent, NULL);
495  }  }
496    
497    
498    /* Retrieve the product verion of the given file @fname.
499       Format: MAJOR.MINOR.PATCH1.PATCH2
500       Return value: 0 on success. */
501    int
502    get_file_version (const char *fname, WORD *major, WORD *minor,
503                      WORD *patch1, WORD *patch2)
504    {
505        VS_FIXEDFILEINFO *inf = {0};
506        char file[MAX_PATH+1] = {0};
507        LPVOID buf, data;
508        DWORD arg;
509        DWORD size;
510        UINT qlen;
511    
512        strncpy (file, fname, MAX_PATH);
513        size = GetFileVersionInfoSize (file, &arg);
514        if (!size)
515            return -1;
516        buf = (LPVOID)new CHAR[size];
517        if (!buf)
518            BUG (NULL);
519        GetFileVersionInfo (file, 0, size, buf);
520    
521        qlen=0;
522        VerQueryValue (buf, "\\", &data, &qlen);
523        if (!qlen) {
524            delete [] (char*)buf;
525            return -1;
526        }
527        inf = (VS_FIXEDFILEINFO*)data;
528    
529        if (major)
530            *major = HIWORD (inf->dwProductVersionMS);
531        if (minor)
532            *minor = LOWORD (inf->dwProductVersionMS);
533        if (patch1)
534            *patch1 = HIWORD (inf->dwProductVersionLS);    
535        if (patch2)
536            *patch2 = LOWORD (inf->dwProductVersionLS);
537    
538        delete [] (char*)buf;
539        return 0;
540    }
541    
542    
543    /* Return date in a format which complies with the
544       system locale settings. */
545    const char*
546    get_locale_date (long tm_t, char *buf, DWORD buflen)
547    {
548        SYSTEMTIME st;
549        struct tm *ptm;
550    
551        ptm = localtime (&tm_t);  
552        st.wYear = (WORD)ptm->tm_year;
553        st.wMonth = (WORD)ptm->tm_mon;
554        st.wDay = (WORD)ptm->tm_mday;
555        st.wYear += 1900;
556        st.wMonth += 1;
557        if (!GetDateFormat (LOCALE_USER_DEFAULT, DATE_SHORTDATE, &st,
558                            NULL, buf, buflen))
559            return NULL;
560        return buf;
561    }
562    
563    
564    /* Generate a temporary file name by using the users
565       temp path and optionally a name @name provided by the caller.
566       Return value: 0 on success. */
567    int
568    get_temp_name (char *buf, DWORD buflen, const char *name)
569    {
570        char tmp[32];
571    
572        if (!name) {
573            sprintf (tmp, "%08lX", GetTickCount ());
574            name = tmp;
575        }
576    
577        /* in the mobile mode we use a local temp folder
578           with the fixed name 'temp'. */
579        if (mobile_mode_active) {
580            _snprintf (buf, buflen-1, "temp\\%s", name);
581            return 0;
582        }
583    
584        if (!GetTempPath (buflen - strlen (name) -2, buf)) {
585            log_debug ("GetTempPath() failed ec=%d\n", (int)GetLastError ());
586            return -1;
587        }
588        strcat (buf, name);
589        return 0;
590    }
591    
592    
593    struct reminder_hd_s {
594        int msecs;
595        HWND dlg;
596        HANDLE hd;
597    };
598    
599    
600    static DWORD CALLBACK
601    foreground_reminder_thread (void *c)
602    {
603        struct reminder_hd_s *ctx = (struct reminder_hd_s *)c;
604        Sleep (ctx->msecs);
605        SetForegroundWindow (ctx->dlg);
606        CloseHandle (ctx->hd);
607        delete ctx;
608        ExitThread (0);
609        return 0;
610    }
611    
612    /* Try to force the window @dlg to the foreground.
613       On NT5 or later this will not work if the user
614       is working in another window (console for example). */
615    void
616    force_foreground_window (HWND dlg, int msecs)
617    {
618        struct reminder_hd_s *hd;
619        DWORD tid;
620    
621        hd = new reminder_hd_s;
622        hd->dlg = dlg;
623        hd->msecs = msecs;
624        hd->hd = CreateThread (NULL, 0, foreground_reminder_thread,
625                               hd, NULL, &tid);
626    }
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