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/* Dia -- an diagram creation/manipulation program
* Copyright (C) 1998 Alexander Larsson
*
* 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 2 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, write to the Free Software
* Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA.
*/
#pragma once
typedef enum {
TEXT_EDIT_START,
TEXT_EDIT_CHANGE,
TEXT_EDIT_END
} TextEditState;
#include <glib.h>
#include "diatypes.h"
#include "textattr.h"
#include "focus.h"
#include "dia_xml.h" /* for AttributeNode */
#include "diarenderer.h"
#include "dia-object-change.h"
G_BEGIN_DECLS
#define DIA_TYPE_TEXT_OBJECT_CHANGE dia_text_object_change_get_type ()
G_DECLARE_FINAL_TYPE (DiaTextObjectChange,
dia_text_object_change,
DIA, TEXT_OBJECT_CHANGE,
DiaObjectChange)
/*!
* \brief Multiline text representation
*
* The Text object provides high level service for on canvas text editing.
*
* It is used in various _DiaObject implementations, but also part of the
* _DiaRenderer interface
*
* \ingroup ObjectParts
*/
struct _Text {
/* don't change these values directly, use the text_set* functions */
/* Text data: */
int numlines;
TextLine **lines;
/* Attributes: */
DiaFont *font;
double height;
Point position;
Color color;
DiaAlignment alignment;
/* Cursor pos: */
int cursor_pos;
int cursor_row;
Focus focus;
/* Computed values: */
double ascent; /* **average** ascent */
double descent; /* **average** descent */
double max_width;
};
/* makes an internal copy of the string */
/*! \brief Text object creation \memberof _Text */
Text *new_text (const char *string,
DiaFont *font,
double height,
Point *pos,
Color *color,
DiaAlignment align);
Text *new_text_default (Point *pos,
Color *color,
DiaAlignment align);
void text_destroy (Text *text);
Text *text_copy (Text *text);
char *text_get_line (const Text *text,
int line);
char *text_get_string_copy (const Text *text);
void text_set_string (Text *text,
const char *string);
void text_set_height (Text *text,
double height);
double text_get_height (const Text *text);
void text_set_font (Text *text,
DiaFont *font);
void text_set_position (Text *text,
Point *pos);
void text_set_color (Text *text,
Color *col);
void text_set_alignment (Text *text,
DiaAlignment align);
double text_distance_from (Text *text,
Point *point);
void text_calc_boundingbox(Text *text, DiaRectangle *box);
void text_draw(Text *text, DiaRenderer *renderer);
void text_set_cursor(Text *text, Point *clicked_point,
DiaRenderer *interactive_renderer);
void text_set_cursor_at_end( Text* text );
void text_grab_focus(Text *text, DiaObject *object);
int text_is_empty(const Text *text);
int text_delete_all (Text *text, DiaObjectChange **change, DiaObject *obj);
void text_get_attributes(Text *text, TextAttributes *attr);
void text_set_attributes(Text *text, TextAttributes *attr);
double text_get_line_width(const Text *text, int line_no);
int text_get_line_strlen(const Text *text, int line_no);
double text_get_max_width(Text *text);
double text_get_ascent(Text *text);
double text_get_descent(Text *text);
/** Exposing this is a hack, but currently GTK still captures the key
* events of insensitive clods^H^H^H^H^Hmenu items. LC 21/10 2007*/
gboolean text_delete_key_handler(Focus *focus, DiaObjectChange **change);
void data_add_text(AttributeNode attr, Text *text, DiaContext *ctx);
Text *data_text(AttributeNode attr, DiaContext *ctx);
gboolean apply_textattr_properties(GPtrArray *props,
Text *text, const gchar *textname,
TextAttributes *attrs);
gboolean apply_textstr_properties(GPtrArray *props,
Text *text, const gchar *textname,
const gchar *str);
G_END_DECLS
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