Ejemplo n.º 1
0
// 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;
}