/* PIKA - Photo and Image Kooker Application
 * a rebranding of The GNU Image Manipulation Program (created with heckimp)
 * A derived work which may be trivial. However, any changes may be (C)2023 by Aldercone Studio
 *
 * Original copyright, applying to most contents (license remains unchanged): 
 * Copyright (C) 1995 Spencer Kimball and Peter Mattis
 *
 * PikaTextTool
 * Copyright (C) 2002-2010  Sven Neumann <sven@gimp.org>
 *                          Daniel Eddeland <danedde@svn.gnome.org>
 *                          Michael Natterer <mitch@gimp.org>
 *
 * 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 <https://www.gnu.org/licenses/>.
 */

#ifndef __PIKA_TEXT_TOOL_H__
#define __PIKA_TEXT_TOOL_H__


#include "pikadrawtool.h"


#define PIKA_TYPE_TEXT_TOOL            (pika_text_tool_get_type ())
#define PIKA_TEXT_TOOL(obj)            (G_TYPE_CHECK_INSTANCE_CAST ((obj), PIKA_TYPE_TEXT_TOOL, PikaTextTool))
#define PIKA_IS_TEXT_TOOL(obj)         (G_TYPE_CHECK_INSTANCE_TYPE ((obj), PIKA_TYPE_TEXT_TOOL))
#define PIKA_TEXT_TOOL_CLASS(klass)    (G_TYPE_CHECK_CLASS_CAST ((klass), PIKA_TYPE_TEXT_TOOL, PikaTextToolClass))
#define PIKA_IS_TEXT_TOOL_CLASS(klass) (G_TYPE_CHECK_CLASS_TYPE ((klass), PIKA_TYPE_TEXT_TOOL))

#define PIKA_TEXT_TOOL_GET_OPTIONS(t)  (PIKA_TEXT_OPTIONS (pika_tool_get_options (PIKA_TOOL (t))))


typedef struct _PikaTextTool       PikaTextTool;
typedef struct _PikaTextToolClass  PikaTextToolClass;

struct _PikaTextTool
{
  PikaDrawTool    parent_instance;

  PikaText       *proxy;
  GList          *pending;
  guint           idle_id;

  gboolean        moving;

  PikaTextBuffer *buffer;

  PikaText       *text;
  PikaTextLayer  *layer;
  PikaImage      *image;

  GtkWidget      *confirm_dialog;

  gboolean        handle_rectangle_change_complete;
  gboolean        text_box_fixed;

  PikaTextLayout *layout;
  gint            drawing_blocked;

  PikaToolWidget *widget;
  PikaToolWidget *grab_widget;

  /* text editor state: */

  GtkWidget      *style_overlay;
  GtkWidget      *style_editor;

  gboolean        selecting;
  GtkTextIter     select_start_iter;
  gboolean        select_words;
  gboolean        select_lines;

  GtkIMContext   *im_context;
  gboolean        needs_im_reset;

  gboolean        preedit_active;
  gchar          *preedit_string;
  gint            preedit_cursor;
  GtkTextMark    *preedit_start;
  GtkTextMark    *preedit_end;

  gboolean        overwrite_mode;
  gint            x_pos;

  GtkWidget      *offscreen_window;
  GtkWidget      *proxy_text_view;

  GtkWidget      *editor_dialog;
};

struct _PikaTextToolClass
{
  PikaDrawToolClass  parent_class;
};


void       pika_text_tool_register               (PikaToolRegisterCallback  callback,
                                                  gpointer                  data);

GType      pika_text_tool_get_type               (void) G_GNUC_CONST;

gboolean   pika_text_tool_set_layer              (PikaTextTool  *text_tool,
                                                  PikaLayer     *layer);

gboolean   pika_text_tool_get_has_text_selection (PikaTextTool  *text_tool);

void       pika_text_tool_delete_selection       (PikaTextTool  *text_tool);
void       pika_text_tool_cut_clipboard          (PikaTextTool  *text_tool);
void       pika_text_tool_copy_clipboard         (PikaTextTool  *text_tool);
void       pika_text_tool_paste_clipboard        (PikaTextTool  *text_tool);

void       pika_text_tool_create_vectors         (PikaTextTool  *text_tool);
gboolean   pika_text_tool_create_vectors_warped  (PikaTextTool  *text_tool,
                                                  GError       **error);

PikaTextDirection
           pika_text_tool_get_direction          (PikaTextTool  *text_tool);

/*  only for the text editor  */
void       pika_text_tool_clear_layout           (PikaTextTool  *text_tool);
gboolean   pika_text_tool_ensure_layout          (PikaTextTool  *text_tool);
void       pika_text_tool_apply                  (PikaTextTool  *text_tool,
                                                  gboolean       push_undo);


#endif /* __PIKA_TEXT_TOOL_H__ */