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- /* Copyright 2011 Pierre Ossman <ossman@cendio.se> for Cendio AB
- *
- * Permission is hereby granted, free of charge, to any person obtaining
- * a copy of this software and associated documentation files (the
- * "Software"), to deal in the Software without restriction, including
- * without limitation the rights to use, copy, modify, merge, publish,
- * distribute, sublicense, and/or sell copies of the Software, and to
- * permit persons to whom the Software is furnished to do so, subject to
- * the following conditions:
- *
- * The above copyright notice and this permission notice shall be
- * included in all copies or substantial portions of the Software.
- *
- * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND,
- * EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
- * MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND
- * NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS
- * BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN
- * ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN
- * CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
- * SOFTWARE.
- */
-
- #ifndef __FLTK_UTIL_H__
- #define __FLTK_UTIL_H__
-
- #include <FL/Fl_Menu_.H>
-
- /* Escapes all @ in text as those have special meaning in labels */
- static inline size_t fltk_escape(const char *in, char *out, size_t maxlen)
- {
- size_t len;
-
- len = 0;
-
- while (*in != '\0') {
- if (*in == '@') {
- if (maxlen >= 3) {
- *out++ = '@';
- *out++ = '@';
- maxlen -= 2;
- }
-
- len += 2;
- } else {
- if (maxlen >= 2) {
- *out++ = *in;
- maxlen--;
- }
-
- len += 1;
- }
-
- in++;
- }
-
- if (maxlen)
- *out = '\0';
-
- return len;
- }
-
- /* Filter out unsafe characters for menu entries */
- static inline size_t fltk_menu_escape(const char *in, char *out, size_t maxlen)
- {
- size_t len;
-
- len = 0;
-
- while (*in != '\0') {
- if (*in == '/') {
- if (maxlen >= 3) {
- *out++ = '\\';
- *out++ = '/';
- maxlen -= 2;
- }
-
- len += 2;
- } else {
- if (maxlen >= 2) {
- *out++ = *in;
- maxlen--;
- }
-
- len += 1;
- }
-
- in++;
- }
-
- if (maxlen)
- *out = '\0';
-
- return len;
- }
-
- /* Helper to add menu entries safely */
- static inline void fltk_menu_add(Fl_Menu_ *menu, const char *text,
- int shortcut, Fl_Callback *cb,
- void *data = 0, int flags = 0)
- {
- char buffer[1024];
-
- if (fltk_menu_escape(text, buffer, sizeof(buffer)) >= sizeof(buffer))
- return;
-
- menu->add(buffer, shortcut, cb, data, flags);
- }
-
- #endif
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