internal.h

/* Copyright (C) 2011-2012 G.P. Halkes
   This program is free software: you can redistribute it and/or modify
   it under the terms of the GNU General Public License version 3, as
   published by the Free Software Foundation.

   This program 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 this program.  If not, see <http://www.gnu.org/licenses/>.
*/
#ifndef T3_WIDGET_INTERNAL_H
#define T3_WIDGET_INTERNAL_H

#ifndef _T3_WIDGET_INTERNAL
#error This header file is for internal use _only_!!
#endif

#include <string>
#include <t3widget/key.h>

#ifdef HAS_SELECT_H
#include <sys/select.h>
#else
#include <sys/time.h>
#include <sys/types.h>
#include <unistd.h>
#endif

#include "widget_api.h"
#include "main.h"
#include "log.h"
#include "signals.h"

#ifdef HAS_STRDUP
#define _t3_widget_strdup strdup
#else
T3_WIDGET_LOCAL char *_t3_widget_strdup(const char *str);
#endif

namespace t3_widget {

T3_WIDGET_LOCAL extern init_parameters_t *init_params;

T3_WIDGET_LOCAL void stop_clipboard(void);

#ifdef _T3_WIDGET_DEBUG
#define ASSERT(_x) do { if (!(_x)) { \
        fprintf(stderr, "%s:%d: libt3widget: Assertion failed: %s\n", __FILE__, __LINE__, #_x); abort(); \
}} while (0)
#else
#define ASSERT(_x)
#endif

#define ESCAPE_UNICODE (1<<29)

#define ESCAPE_REPLACEMENT (1<<30)

//FIXME: do proper gettext stuff instead of this temporary wrapper
#define _(_x) _x

T3_WIDGET_LOCAL int parse_escape(const std::string &str, const char **error_message, size_t &read_position,
        bool replacements = false);
T3_WIDGET_LOCAL bool parse_escapes(std::string &str, const char **error_message, bool replacements = false);

/* Key handling routines. */
class complex_error_t;
T3_WIDGET_LOCAL complex_error_t init_keys(const char *term, bool separate_keypad);
T3_WIDGET_LOCAL void cleanup_keys(void);
T3_WIDGET_LOCAL void deinit_keys(void);
T3_WIDGET_LOCAL void reinit_keys(void);
T3_WIDGET_LOCAL void insert_protected_key(t3_widget::key_t key);
T3_WIDGET_LOCAL bool read_keychar(int timeout);

/* char_buffer for key and mouse handling. Has to be shared between key.cc and
   mouse.cc because of XTerm in-band mouse reporting. */
extern char char_buffer[32];
extern int char_buffer_fill;

T3_WIDGET_LOCAL void init_mouse_reporting(bool xterm_mouse);
T3_WIDGET_LOCAL void deinit_mouse_reporting(void);
T3_WIDGET_LOCAL void reinit_mouse_reporting(void);
T3_WIDGET_LOCAL void stop_mouse_reporting(void);
T3_WIDGET_LOCAL bool decode_xterm_mouse(void);
T3_WIDGET_LOCAL bool use_xterm_mouse_reporting(void);
T3_WIDGET_LOCAL void fd_set_mouse_fd(fd_set *readset, int *max_fd);
T3_WIDGET_LOCAL bool check_mouse_fd(fd_set *readset);


enum {
        CLASS_WHITESPACE,
        CLASS_ALNUM,
        CLASS_GRAPH,
        CLASS_OTHER
};

T3_WIDGET_LOCAL int get_class(const std::string *str, int pos);

}; // namespace
#endif