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 *  gretl -- Gnu Regression, Econometrics and Time-series Library
 *  Copyright (C) 2001 Allin Cottrell and Riccardo "Jack" Lucchetti
 *  This program 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.
 *  This program is distributed in the hope that it will be useful,
 *  but WITHOUT ANY WARRANTY; without even the implied warranty of
 *  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 GUI_UTILS_H
#define GUI_UTILS_H

void gretl_stock_icons_init (void);

gchar *menu_translate (const gchar *path, gpointer p);

int probably_native_datafile (const char *fname);

int probably_script_file (const char *fname);

int probably_session_file (const char *fname);

int copyfile (const char *src, const char *dest);

int isdir (const char *path);

FILE *gretl_tempfile_open (char *fname);

int gretl_tempname (char *fname);

void delete_widget (GtkWidget *widget, gpointer data);

void *mymalloc (size_t size); 

void *myrealloc (void *ptr, size_t size);

void nomem (void);

void mark_dataset_as_modified (void);

void register_data (char *fname, const char *user_fname,
                int record);

void do_open_data (GtkWidget *w, gpointer data, int code);

void verify_open_data (gpointer userdata, int code);

void verify_open_session (void);

void close_window (gpointer data, guint win_code, GtkWidget *widget);

void windata_init (windata_t *mydata);

void free_windata (GtkWidget *w, gpointer data);

void winstack_init (void);

void winstack_destroy (void);

void winstack_add (GtkWidget *w);

void winstack_remove (GtkWidget *w);

int winstack_match_data (const gpointer p);

GtkWidget *match_window_by_data (const gpointer p);

GtkWidget *match_window_by_filename (const char *fname);

void mark_content_saved (windata_t *vwin);

windata_t *view_buffer (PRN *prn, int hsize, int vsize, 
                  const char *title, int role,
                  gpointer data);

windata_t *view_file (const char *filename, int editable, int del_file, 
                  int hsize, int vsize, int role);

windata_t *
view_help_file (const char *filename, int role, GtkItemFactoryEntry *menu_items);

windata_t *edit_buffer (char **pbuf, int hsize, int vsize, 
                  char *title, int role);

windata_t *vwin_first_child (windata_t *vwin);

int view_model (PRN *prn, MODEL *pmod, int hsize, int vsize, 
            char *title);

int highest_numbered_variable_in_winstack (void);

void view_window_set_editable (windata_t *vwin);

int validate_varname (const char *varname);

gretlopt get_tex_eqn_opt (void);

gint popup_menu_handler (GtkWidget *widget, GdkEvent *event,
                   gpointer data);

void add_popup_item (const gchar *label, GtkWidget *menu,
                 GCallback callback, gpointer data);

void get_stats_table (void);

void *gui_get_plugin_function (const char *funcname, 
                         void **phandle);

int get_worksheet_data (char *fname, int datatype, int append);

char *double_underscores (char *targ, const char *src);

#ifndef G_OS_WIN32
void startR (const char *Rcommand);
int browser_open (const char *url);

#if defined(HAVE_FLITE) || defined(G_OS_WIN32)
enum {
    AUDIO_TEXT = 0,
} audio_render_keys;

void audio_render_window (windata_t *vwin, int key);
void stop_talking (void);

#endif /* GUI_UTILS_H */

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