+size_t wxHTMLDataObject::GetDataSize() const
+{
+ size_t size = 0;
+ // Windows and Mac always use UTF-8, and docs suggest GTK does as well.
+ wxCharBuffer buffer = wxConvUTF8.cWX2MB( GetHTML().c_str() );
+
+ if (buffer)
+ {
+ size = strlen( buffer );
+#if __WXMSW__
+ // On Windows we need to add some stuff to the string to satisfy
+ // its clipboard format requirements.
+ size += 400;
+#endif
+ }
+
+ return size;
+}
+
+bool wxHTMLDataObject::GetDataHere(void *buf) const
+{
+ if ( !buf )
+ return false;
+
+ // Windows and Mac always use UTF-8, and docs suggest GTK does as well.
+ wxCharBuffer html = wxConvUTF8.cWX2MB( GetHTML().c_str() );
+ if ( !html )
+ return false;
+
+ size_t bytes = GetDataSize();
+#if __WXMSW__
+ // add the extra info that the MSW clipboard format requires.
+ char* buffer = new char[bytes];
+
+ // Create a template string for the HTML header...
+ strcpy(buffer,
+ "Version:0.9\r\n"
+ "StartHTML:00000000\r\n"
+ "EndHTML:00000000\r\n"
+ "StartFragment:00000000\r\n"
+ "EndFragment:00000000\r\n"
+ "<html><body>\r\n"
+ "<!--StartFragment -->\r\n");
+
+ // Append the HTML...
+ strcat(buffer, html);
+ strcat(buffer, "\r\n");
+ // Finish up the HTML format...
+ strcat(buffer,
+ "<!--EndFragment-->\r\n"
+ "</body>\r\n"
+ "</html>");
+
+ // Now go back, calculate all the lengths, and write out the
+ // necessary header information. Note, wsprintf() truncates the
+ // string when you overwrite it so you follow up with code to replace
+ // the 0 appended at the end with a '\r'...
+ char *ptr = strstr(buffer, "StartHTML");
+ sprintf(ptr+10, "%08u", (unsigned)(strstr(buffer, "<html>") - buffer));
+ *(ptr+10+8) = '\r';
+
+ ptr = strstr(buffer, "EndHTML");
+ sprintf(ptr+8, "%08u", (unsigned)strlen(buffer));
+ *(ptr+8+8) = '\r';
+
+ ptr = strstr(buffer, "StartFragment");
+ sprintf(ptr+14, "%08u", (unsigned)(strstr(buffer, "<!--StartFrag") - buffer));
+ *(ptr+14+8) = '\r';
+
+ ptr = strstr(buffer, "EndFragment");
+ sprintf(ptr+12, "%08u", (unsigned)(strstr(buffer, "<!--EndFrag") - buffer));
+ *(ptr+12+8) = '\r';
+#else
+ wxCharBuffer buffer = html;
+#endif // __WXMSW__
+
+ memcpy( (char*) buf, buffer, bytes );
+
+ return true;
+}
+
+bool wxHTMLDataObject::SetData(size_t WXUNUSED(len), const void *buf)
+{
+ if ( buf == NULL )
+ return false;
+
+ // Windows and Mac always use UTF-8, and docs suggest GTK does as well.
+ wxWCharBuffer buffer = wxConvUTF8.cMB2WX( (const char*)buf );
+
+ wxString html(buffer);
+ // To be consistent with other platforms, we only add the Fragment part
+ // of the Windows HTML clipboard format to the data object.
+#if __WXMSW__
+ int fragmentStart = html.rfind("StartFragment");
+ int fragmentEnd = html.rfind("EndFragment");
+
+ if (fragmentStart != wxNOT_FOUND && fragmentEnd != wxNOT_FOUND)
+ {
+ int startCommentEnd = html.find("-->", fragmentStart) + 3;
+ int endCommentStart = html.rfind("<!--", fragmentEnd);
+
+ if (startCommentEnd != wxNOT_FOUND && endCommentStart != wxNOT_FOUND)
+ html = html.Mid(startCommentEnd, endCommentStart - startCommentEnd);
+ }
+#endif
+ SetHTML( html );
+
+ return true;
+}
+
+
projects / wxWidgets.git / commitdiff
