// opens a file dialog and returns true if a filename was selected. The compelete path is returned in filename (the buffer has to be big enough) bool FileDialog(bool save_dialog, const char **filter, int num_filter, const char *caption, char *filename, int max_length) { QApplication *pApp = NULL; if (qApp == NULL) { pApp = new QApplication(my_argc, my_argv); } char filter_str[1024]; char *fs = filter_str; *fs = 0; for (int i = 0; i < num_filter; i++) { if (i == num_filter - 1) { sprintf(fs, "%s (%s)", filter[(2*i)], filter[(2*i) + 1]); fs += strlen(filter[(2*i)]) + strlen(filter[(2*i) + 1]) + 3; } else { sprintf(fs, "%s (%s);;", filter[(2*i)], filter[(2*i) + 1]); fs += strlen(filter[(2*i)]) + strlen(filter[(2*i) + 1]) + 5; } } *fs++ = 0; if (save_dialog) { #if QT_VERSION >= 0x040000 QString s = QFileDialog::getSaveFileName(0, caption, NULL, filter_str); #else QString s = QFileDialog::getSaveFileName(QString(filename), filter_str, 0, "Save File Dialog", caption); #endif if (s.length() > 0) { strncpy(filename, s.GET_ASCII(), max_length); if (pApp) { delete pApp; pApp = NULL; } return true; } } else { #if QT_VERSION >= 0x040000 QString s = QFileDialog::getOpenFileName(0, caption, NULL, filter_str); #else QString s = QFileDialog::getOpenFileName(QString(filename), filter_str, 0, "Open File Dialog", caption); #endif if (s.length() > 0) { strncpy(filename, s.GET_ASCII(), max_length); if (pApp) { delete pApp; pApp = NULL; } return true; } } if (pApp) { delete pApp; pApp = NULL; } return false; }