Moved command processing to main loop, allow resize during password prompt

src/ui/ui.h

@@ -233,7 +233,7 @@ void ui_update_presence(const resource_presence_t resource_presence,
 void ui_about(void);
 void ui_statusbar_new(const int win);
 
-gboolean ui_readline(void);
+char* ui_readline(void);
 void ui_input_clear(void);
 void ui_input_nonblocking(gboolean);
 void ui_write(char *line, int offset);