/[gpgoe]/trunk/src/OEMisc.c
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Diff of /trunk/src/OEMisc.c

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revision 10 by twoaday, Mon Mar 27 12:47:50 2006 UTC revision 16 by twoaday, Tue Apr 11 06:56:23 2006 UTC
# Line 30  Line 30 
30  #include "GPGOE.h"  #include "GPGOE.h"
31    
32    
33    /* Convert the string from the native code page  to UTF8. */
34    char*
35    native_to_utf8 (const char *string)
36    {
37        wchar_t *result;
38        char *native;
39        int n;
40    
41        n = MultiByteToWideChar (GetACP (), 0, string, -1, NULL, 0);
42        if (n < 0)
43            return NULL;
44    
45        result = (wchar_t*)xcalloc (1, (n+1) * sizeof *result);
46    
47        n = MultiByteToWideChar (GetACP (), 0, string, -1, result, n);
48        if (n < 0) {
49            free (result);
50            return NULL;
51        }
52    
53        n = WideCharToMultiByte (CP_UTF8, 0, result, -1, NULL, 0, NULL, NULL);
54        if (n < 0)
55            return NULL;
56    
57        native = (char*)xcalloc (1, n+1);
58    
59        n = WideCharToMultiByte (CP_UTF8, 0, result, -1, native, n, NULL, NULL);
60        if (n < 0) {
61            free (result);
62            return NULL;
63        }
64    
65        free (result);
66        return native;
67    }
68    
69    
70  /* Convert the UTF8 string @string into the native charset. */  /* Convert the UTF8 string @string into the native charset. */
71  char*  char*
72  utf8_to_native (const char *string)  utf8_to_native (const char *string)
# Line 108  int Line 145  int
145  set_clip_text (HWND hwnd, const char *text, int nbytes)  set_clip_text (HWND hwnd, const char *text, int nbytes)
146  {      {    
147      HANDLE clipmem;      HANDLE clipmem;
     int rc = 0;  
148      char *p;      char *p;
149            
150      if (OpenClipboard (hwnd) == FALSE)        if (OpenClipboard (hwnd) == FALSE)  
# Line 120  set_clip_text (HWND hwnd, const char *te Line 156  set_clip_text (HWND hwnd, const char *te
156          abort ();          abort ();
157      p = (char *) GlobalLock (clipmem);      p = (char *) GlobalLock (clipmem);
158      if (p == NULL) {      if (p == NULL) {
159          rc = -1;          CloseClipboard ();
160          goto leave;              GlobalFree (clipmem);
161            return -1;
162      }      }
163      memcpy (p, text, nbytes);      memcpy (p, text, nbytes);
164      p[nbytes] = '\0';      p[nbytes] = '\0';
165            
     GlobalUnlock (clipmem);  
166      SetClipboardData (CF_TEXT, clipmem);      SetClipboardData (CF_TEXT, clipmem);
167      GlobalFree (clipmem);      GlobalUnlock (clipmem);
       
 leave:  
168      CloseClipboard ();      CloseClipboard ();
169        GlobalFree (clipmem);  
170        
171      return 0;      return 0;
172  }  }
173    
# Line 158  xstrdup (const char *s) Line 194  xstrdup (const char *s)
194  }  }
195    
196    
197    void
198    xfree (void *p)
199    {
200        if (p != NULL)
201            free (p);
202    }
203    
204    
205  /* printf style message box. */  /* printf style message box. */
206  void  void
207  show_error (HWND hwnd, const char *caption, UINT type, const char *fmt, ...)  show_error (HWND hwnd, const char *caption, UINT type, const char *fmt, ...)
# Line 170  show_error (HWND hwnd, const char *capti Line 214  show_error (HWND hwnd, const char *capti
214      va_end (ptr);      va_end (ptr);
215      MessageBox (hwnd, buffer, caption, type);      MessageBox (hwnd, buffer, caption, type);
216  }  }
217    
218    
219    /* Prepend '> ' to line line in the buffer @inp
220       and store the result in @r_outp. */
221    void
222    quote_msg_text (const char *inp, char **r_outp)
223    {
224        size_t i, n=0;
225        char *p;
226        char *outp;
227    
228        for (i=0; i < strlen (inp); i++) {
229            if (inp[i] == '\r')
230                n += 4;
231        }
232        outp = xcalloc (1, strlen (inp) + 1 + n + 1);
233        p = strtok ((char *)inp, "\r");
234        while (p != NULL) {
235            if (*p == '\n')
236                p++;
237            strcat (outp, "> ");
238            strcat (outp, p);
239            strcat (outp, "\r\n");
240            p = strtok (NULL, "\r");
241        }
242        *r_outp = outp;
243    }
244    
245    
246    /* Center the window @hwndChild over the parent window @parent. */
247    void
248    center_window (HWND hwndChild, HWND parent)
249    {    
250        HWND hwndParent;
251        RECT rChild, rParent;
252        HDC hdc;
253        int wChild, hChild, wParent, hParent;
254        int wScreen, hScreen, xNew, yNew;
255        int flags = SWP_NOSIZE | SWP_NOZORDER;
256    
257        hwndParent = parent;
258        if (hwndParent == NULL)
259            hwndParent = GetDesktopWindow ();
260        GetWindowRect (hwndChild, &rChild);    
261        wChild = rChild.right - rChild.left;    
262        hChild = rChild.bottom - rChild.top;
263    
264        GetWindowRect (hwndParent, &rParent);    
265        wParent = rParent.right - rParent.left;    
266        hParent = rParent.bottom - rParent.top;      
267        
268        hdc = GetDC (hwndChild);    
269        wScreen = GetDeviceCaps (hdc, HORZRES);    
270        hScreen = GetDeviceCaps (hdc, VERTRES);    
271        ReleaseDC (hwndChild, hdc);      
272        xNew = rParent.left + ((wParent - wChild) /2);    
273        if (xNew < 0)
274            xNew = 0;
275        else if ((xNew+wChild) > wScreen)
276            xNew = wScreen - wChild;
277        yNew = rParent.top  + ((hParent - hChild) /2);
278        if (yNew < 0)
279            yNew = 0;
280        else if ((yNew+hChild) > hScreen)
281            yNew = hScreen - hChild;
282        SetWindowPos (hwndChild, NULL, xNew, yNew, 0, 0, flags);
283    }
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