refactor chat window input code, misc fixes

src/input.h

@@ -0,0 +1,33 @@
+/*  input.h
+ *
+ *
+ *  Copyright (C) 2014 Toxic All Rights Reserved.
+ *
+ *  This file is part of Toxic.
+ *
+ *  Toxic is free software: you can redistribute it and/or modify
+ *  it under the terms of the GNU General Public License as published by
+ *  the Free Software Foundation, either version 3 of the License, or
+ *  (at your option) any later version.
+ *
+ *  Toxic is distributed in the hope that it will be useful,
+ *  but WITHOUT ANY WARRANTY; without even the implied warranty of
+ *  MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+ *  GNU General Public License for more details.
+ *
+ *  You should have received a copy of the GNU General Public License
+ *  along with Toxic.  If not, see <http://www.gnu.org/licenses/>.
+ *
+ */
+
+#ifndef _input_h
+#define _input_h
+
+/* add a char to input field and buffer for given chatcontext */
+void input_new_char(ToxWindow *self, wint_t key, int x, int y, int mx_x, int mx_y);
+
+/* Handles non-printable input keys that behave the same for all types of chat windows.
+   return true if key matches a function, false otherwise */
+bool input_handle(ToxWindow *self, wint_t key, int x, int y, int mx_x, int mx_y);
+
+#endif /* #define _input_h */