/*
 * Copyright © 2001 Havoc Pennington
 * Copyright © 2008, 2010 Christian Persch
 *
 * 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
 * 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 TERMINAL_SCREEN_H
#define TERMINAL_SCREEN_H

#include <glib-object.h>
#include <gio/gio.h>

#include <vte/vte.h>

G_BEGIN_DECLS

typedef enum {
  FLAVOR_AS_IS,
  FLAVOR_DEFAULT_TO_HTTP,
  FLAVOR_VOIP_CALL,
  FLAVOR_EMAIL,
  FLAVOR_NUMBER,
} TerminalURLFlavor;

/* Forward decls */
typedef struct _TerminalScreenPopupInfo TerminalScreenPopupInfo;
typedef struct _TerminalWindow        TerminalWindow;

#define TERMINAL_TYPE_SCREEN              (terminal_screen_get_type ())
#define TERMINAL_SCREEN(object)           (G_TYPE_CHECK_INSTANCE_CAST ((object), TERMINAL_TYPE_SCREEN, TerminalScreen))
#define TERMINAL_SCREEN_CLASS(klass)      (G_TYPE_CHECK_CLASS_CAST ((klass), TERMINAL_TYPE_SCREEN, TerminalScreenClass))
#define TERMINAL_IS_SCREEN(object)        (G_TYPE_CHECK_INSTANCE_TYPE ((object), TERMINAL_TYPE_SCREEN))
#define TERMINAL_IS_SCREEN_CLASS(klass)   (G_TYPE_CHECK_CLASS_TYPE ((klass), TERMINAL_TYPE_SCREEN))
#define TERMINAL_SCREEN_GET_CLASS(obj)    (G_TYPE_INSTANCE_GET_CLASS ((obj), TERMINAL_TYPE_SCREEN, TerminalScreenClass))

typedef struct _TerminalScreen        TerminalScreen;
typedef struct _TerminalScreenClass   TerminalScreenClass;
typedef struct _TerminalScreenPrivate TerminalScreenPrivate;

struct _TerminalScreen
{
  VteTerminal parent_instance;

  TerminalScreenPrivate *priv;
};

struct _TerminalScreenClass
{
  VteTerminalClass parent_class;

  void (* profile_set)        (TerminalScreen *screen,
                               GSettings *old_profile);
  void (* show_popup_menu)    (TerminalScreen *screen,
                               TerminalScreenPopupInfo *info);
  gboolean (* match_clicked)  (TerminalScreen *screen,
                               const char *url,
                               int flavor,
                               guint state);
  void (* close_screen)       (TerminalScreen *screen);
};

GType terminal_screen_get_type (void) G_GNUC_CONST;

const char *terminal_screen_get_uuid (TerminalScreen *screen);

TerminalScreen *terminal_screen_new (GSettings       *profile,
                                     const char      *title,
                                     double           zoom);

typedef void (* TerminalScreenExecCallback) (TerminalScreen *screen,
                                             GError         *error,
                                             gpointer        user_data);

gboolean terminal_screen_exec (TerminalScreen *screen,
                               char **argv,
                               char **envv,
                               gboolean as_shell,
                               const char *cwd,
                               GUnixFDList *fd_list,
                               GVariant *fd_array,
                               TerminalScreenExecCallback callback,
                               gpointer user_data,
                               GDestroyNotify destroy_notify,
                               GCancellable *cancellable,
                               GError **error);


gboolean terminal_screen_reexec (TerminalScreen *screen,
                                 char **envv,
                                 const char *cwd,
                                 GCancellable *cancellable,
                                 GError **error);

gboolean terminal_screen_reexec_from_screen (TerminalScreen *screen,
                                             TerminalScreen *parent_screen,
                                             GCancellable *cancellable,
                                             GError **error);

void terminal_screen_set_profile (TerminalScreen *screen,
                                  GSettings      *profile);
GSettings* terminal_screen_get_profile (TerminalScreen *screen);
GSettings* terminal_screen_ref_profile (TerminalScreen *screen);

const char* terminal_screen_get_title          (TerminalScreen *screen);

char *terminal_screen_get_current_dir (TerminalScreen *screen);

void       terminal_screen_get_size (TerminalScreen *screen,
                                     int *width_chars,
                                     int *height_chars);
void       terminal_screen_get_cell_size (TerminalScreen *screen,
                                          int *width_chars,
                                          int *height_chars);

void _terminal_screen_update_scrollbar (TerminalScreen *screen);

void terminal_screen_save_config (TerminalScreen *screen,
                                  GKeyFile *key_file,
                                  const char *group);

gboolean terminal_screen_has_foreground_process (TerminalScreen *screen,
                                                 char           **process_name,
                                                 char           **cmdline);

/* Allow scales a bit smaller and a bit larger than the usual pango ranges */
#define TERMINAL_SCALE_XXX_SMALL   (PANGO_SCALE_XX_SMALL/1.2)
#define TERMINAL_SCALE_XXXX_SMALL  (TERMINAL_SCALE_XXX_SMALL/1.2)
#define TERMINAL_SCALE_XXXXX_SMALL (TERMINAL_SCALE_XXXX_SMALL/1.2)
#define TERMINAL_SCALE_XXX_LARGE   (PANGO_SCALE_XX_LARGE*1.2)
#define TERMINAL_SCALE_XXXX_LARGE  (TERMINAL_SCALE_XXX_LARGE*1.2)
#define TERMINAL_SCALE_XXXXX_LARGE (TERMINAL_SCALE_XXXX_LARGE*1.2)
#define TERMINAL_SCALE_MINIMUM     (TERMINAL_SCALE_XXXXX_SMALL/1.2)
#define TERMINAL_SCALE_MAXIMUM     (TERMINAL_SCALE_XXXXX_LARGE*1.2)

struct _TerminalScreenPopupInfo {
  int ref_count;
  char *url;
  TerminalURLFlavor url_flavor;
  char *hyperlink;
  char *number_info;
  char *timestamp_info;
  guint button;
  guint state;
  guint32 timestamp;
};

TerminalScreenPopupInfo *terminal_screen_popup_info_ref (TerminalScreenPopupInfo *info);

void terminal_screen_popup_info_unref (TerminalScreenPopupInfo *info);

/* API hack */

void terminal_screen_paste_text (TerminalScreen* screen,
                                 char const* text,
                                 gssize len);

G_END_DECLS

#endif /* TERMINAL_SCREEN_H */
