/[gpgoe]/trunk/src/OEMisc.c
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revision 12 by twoaday, Fri Apr 7 10:46:41 2006 UTC revision 24 by twoaday, Tue Dec 13 10:40:30 2011 UTC
# 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 Lesser General Public License  
  * along with GPGOE; if not, write to the Free Software Foundation,  
  * Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA  
15   */   */
16    
17  #ifdef HAVE_CONFIG_H  #ifdef HAVE_CONFIG_H
# Line 30  Line 26 
26  #include "GPGOE.h"  #include "GPGOE.h"
27    
28    
29    /* Convert the string from the native code page  to UTF8. */
30  char*  char*
31  native_to_utf8 (const char *string)  native_to_utf8 (const char *string)
32  {  {
# Line 45  native_to_utf8 (const char *string) Line 42  native_to_utf8 (const char *string)
42    
43      n = MultiByteToWideChar (GetACP (), 0, string, -1, result, n);      n = MultiByteToWideChar (GetACP (), 0, string, -1, result, n);
44      if (n < 0) {      if (n < 0) {
45          free (result);          xfree (result);
46          return NULL;          return NULL;
47      }      }
48    
# Line 57  native_to_utf8 (const char *string) Line 54  native_to_utf8 (const char *string)
54    
55      n = WideCharToMultiByte (CP_UTF8, 0, result, -1, native, n, NULL, NULL);      n = WideCharToMultiByte (CP_UTF8, 0, result, -1, native, n, NULL, NULL);
56      if (n < 0) {      if (n < 0) {
57          free (result);          xfree (result);
58          return NULL;          return NULL;
59      }      }
60    
61      free (result);      xfree (result);
62      return native;      return native;
63  }  }
64    
# Line 77  utf8_to_native (const char *string) Line 74  utf8_to_native (const char *string)
74      n = MultiByteToWideChar (CP_UTF8, 0, string, -1, NULL, 0);      n = MultiByteToWideChar (CP_UTF8, 0, string, -1, NULL, 0);
75      if (n < 0)      if (n < 0)
76          return NULL;          return NULL;
   
77      result = (wchar_t*)xcalloc (1, (n+1) * sizeof *result);      result = (wchar_t*)xcalloc (1, (n+1) * sizeof *result);
   
78      n = MultiByteToWideChar (CP_UTF8, 0, string, -1, result, n);      n = MultiByteToWideChar (CP_UTF8, 0, string, -1, result, n);
79      if (n < 0) {      if (n < 0) {
80          free (result);          xfree (result);
81          return NULL;          return NULL;
82      }      }
83    
84      n = WideCharToMultiByte (GetACP (), 0, result, -1, NULL, 0, NULL, NULL);      n = WideCharToMultiByte (GetACP (), 0, result, -1, NULL, 0, NULL, NULL);
85      if (n < 0)      if (n < 0)
86          return NULL;          return NULL;
87        native = (char*)xcalloc (1, n+1);
     native = (char*)malloc (n+1);  
     if (!native)  
         abort ();  
   
88      n = WideCharToMultiByte (GetACP (), 0, result, -1, native, n, NULL, NULL);      n = WideCharToMultiByte (GetACP (), 0, result, -1, native, n, NULL, NULL);
89      if (n < 0) {      if (n < 0) {
90          free (result);          xfree (result);
91          return NULL;          return NULL;
92      }      }
93    
94      free (result);      xfree (result);
95      return native;      return native;
96  }  }
97    
# Line 165  set_clip_text (HWND hwnd, const char *te Line 156  set_clip_text (HWND hwnd, const char *te
156      SetClipboardData (CF_TEXT, clipmem);      SetClipboardData (CF_TEXT, clipmem);
157      GlobalUnlock (clipmem);      GlobalUnlock (clipmem);
158      CloseClipboard ();      CloseClipboard ();
159      GlobalFree (clipmem);      GlobalFree (clipmem);  
160            
161      return 0;      return 0;
162  }  }
# Line 209  show_error (HWND hwnd, const char *capti Line 200  show_error (HWND hwnd, const char *capti
200      va_list ptr;      va_list ptr;
201    
202      va_start (ptr, fmt);      va_start (ptr, fmt);
203      _vsnprintf (buffer, sizeof (buffer)-1, fmt, ptr);      _vsnprintf (buffer, DIM (buffer)-1, fmt, ptr);
204      va_end (ptr);      va_end (ptr);
205      MessageBox (hwnd, buffer, caption, type);      MessageBox (hwnd, buffer, caption, type);
206  }  }
207    
208    
209    /* Prepend '> ' to line line in the buffer @inp
210       and store the result in @r_outp. */
211    void
212    quote_msg_text (const char *inp, char **r_outp)
213    {
214        size_t i, n=0;
215        char *p;
216        char *outp;
217    
218        for (i=0; i < strlen (inp); i++) {
219            if (inp[i] == '\r')
220                n += 4;
221        }
222        outp = xcalloc (1, strlen (inp) + 1 + n + 1);
223        p = strtok ((char *)inp, "\r");
224        while (p != NULL) {
225            if (*p == '\n')
226                p++;
227            strcat (outp, "> ");
228            strcat (outp, p);
229            strcat (outp, "\r\n");
230            p = strtok (NULL, "\r");
231        }
232        *r_outp = outp;
233    }
234    
235    
236    /* Center the window @hwndChild over the parent window @parent. */
237    void
238    center_window (HWND hwndChild, HWND parent)
239    {
240        HWND hwndParent;
241        RECT rChild, rParent;
242        HDC hdc;
243        int wChild, hChild, wParent, hParent;
244        int wScreen, hScreen, xNew, yNew;
245        int flags = SWP_NOSIZE | SWP_NOZORDER;
246    
247        hwndParent = parent;
248        if (hwndParent == NULL)
249            hwndParent = GetDesktopWindow ();
250        GetWindowRect (hwndChild, &rChild);    
251        wChild = rChild.right - rChild.left;    
252        hChild = rChild.bottom - rChild.top;
253    
254        GetWindowRect (hwndParent, &rParent);    
255        wParent = rParent.right - rParent.left;    
256        hParent = rParent.bottom - rParent.top;      
257        
258        hdc = GetDC (hwndChild);    
259        wScreen = GetDeviceCaps (hdc, HORZRES);    
260        hScreen = GetDeviceCaps (hdc, VERTRES);    
261        ReleaseDC (hwndChild, hdc);      
262        xNew = rParent.left + ((wParent - wChild) /2);    
263        if (xNew < 0)
264            xNew = 0;
265        else if ((xNew+wChild) > wScreen)
266            xNew = wScreen - wChild;
267        yNew = rParent.top  + ((hParent - hChild) /2);
268        if (yNew < 0)
269            yNew = 0;
270        else if ((yNew+hChild) > hScreen)
271            yNew = hScreen - hChild;
272        SetWindowPos (hwndChild, NULL, xNew, yNew, 0, 0, flags);
273    }
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