libswfdec/swfdec_text_field_movie.h

   1 /* Swfdec
   2  * Copyright (C) 2006 Benjamin Otte <otte@gnome.org>
   3  *               2007 Pekka Lampila <pekka.lampila@iki.fi>
   4  *
   5  * This library is free software; you can redistribute it and/or
   6  * modify it under the terms of the GNU Lesser General Public
   7  * License as published by the Free Software Foundation; either
   8  * version 2.1 of the License, or (at your option) any later version.
   9  *
  10  * This library is distributed in the hope that it will be useful,
  11  * but WITHOUT ANY WARRANTY; without even the implied warranty of
  12  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
  13  * Lesser General Public License for more details.
  14  *
  15  * You should have received a copy of the GNU Lesser General Public
  16  * License along with this library; if not, write to the Free Software
  17  * Foundation, Inc., 51 Franklin Street, Fifth Floor,
  18  * Boston, MA  02110-1301  USA
  19  */
  20
  21 #ifndef _SWFDEC_TEXT_FIELD_MOVIE_H_
  22 #define _SWFDEC_TEXT_FIELD_MOVIE_H_
  23
  24 #include <libswfdec/swfdec_movie.h>
  25 #include <libswfdec/swfdec_text_field.h>
  26 #include <libswfdec/swfdec_style_sheet.h>
  27 #include <libswfdec/swfdec_text_format.h>
  28
  29 G_BEGIN_DECLS
  30
  31
  32 typedef struct _SwfdecTextFieldMovie SwfdecTextFieldMovie;
  33 typedef struct _SwfdecTextFieldMovieClass SwfdecTextFieldMovieClass;
  34
  35 #define SWFDEC_TYPE_TEXT_FIELD_MOVIE                    (swfdec_text_field_movie_get_type())
  36 #define SWFDEC_IS_TEXT_FIELD_MOVIE(obj)                 (G_TYPE_CHECK_INSTANCE_TYPE ((obj), SWFDEC_TYPE_TEXT_FIELD_MOVIE))
  37 #define SWFDEC_IS_TEXT_FIELD_MOVIE_CLASS(klass)         (G_TYPE_CHECK_CLASS_TYPE ((klass), SWFDEC_TYPE_TEXT_FIELD_MOVIE))
  38 #define SWFDEC_TEXT_FIELD_MOVIE(obj)                    (G_TYPE_CHECK_INSTANCE_CAST ((obj), SWFDEC_TYPE_TEXT_FIELD_MOVIE, SwfdecTextFieldMovie))
  39 #define SWFDEC_TEXT_FIELD_MOVIE_CLASS(klass)            (G_TYPE_CHECK_CLASS_CAST ((klass), SWFDEC_TYPE_TEXT_FIELD_MOVIE, SwfdecTextFieldMovieClass))
  40
  41 typedef struct {
  42   PangoLayout *         layout;
  43   int                   offset_x;
  44   int                   last_line_offset_y;
  45   int                   height;
  46   int                   width;
  47   gboolean              bullet;
  48 } SwfdecLayout;
  49
  50 typedef struct {
  51   guint                 index_;
  52
  53   PangoAlignment        align;
  54   gboolean              justify;
  55   int                   leading;
  56   int                   block_indent;
  57   int                   left_margin;
  58   int                   right_margin;
  59   PangoTabArray *       tab_stops;
  60 } SwfdecBlock;
  61
  62 typedef struct {
  63   guint                 index_;
  64   guint                 length;
  65   gboolean              newline;        // ends in newline
  66
  67   gboolean              bullet;
  68   int                   indent;
  69
  70   GSList *              blocks;         // SwfdecBlock
  71   GSList *              attrs;          // PangoAttribute
  72 } SwfdecParagraph;
  73
  74 typedef struct {
  75   guint                 index_;
  76   SwfdecTextFormat *    format;
  77 } SwfdecFormatIndex;
  78
  79 struct _SwfdecTextFieldMovie {
  80   SwfdecMovie           movie;
  81
  82   SwfdecTextField *     text;           /* the text_field object we render */
  83
  84   GString *             input;
  85   char *                asterisks; /* bunch of asterisks that we display when password mode is enabled */
  86   guint                 asterisks_length;
  87   gboolean              input_html;     /* whether orginal input was given as HTML */
  88
  89   const char *          variable;
  90
  91   SwfdecTextFormat *    format_new;
  92   GSList *              formats;
  93
  94   gboolean              condense_white;
  95   gboolean              embed_fonts;
  96
  97   SwfdecAsObject *      style_sheet;
  98   const char *          style_sheet_input; /* saved input, so it can be used to apply stylesheet again */
  99
 100   gboolean              scroll_changed; /* if any of the scroll attributes have changed and we haven't fired the event yet */
 101   int                   scroll;
 102   int                   scroll_max;
 103   int                   scroll_bottom;
 104   int                   hscroll;
 105   int                   hscroll_max;
 106   gboolean              mouse_wheel_enabled;
 107
 108   const char *          restrict_;
 109
 110   SwfdecColor           border_color;
 111   SwfdecColor           background_color;
 112
 113   // FIXME: Temporary using image surface, until there is a way to get cairo_t
 114   // outside the rendering functions
 115   cairo_surface_t *     surface;
 116   cairo_t *             cr;
 117 };
 118
 119 struct _SwfdecTextFieldMovieClass {
 120   SwfdecMovieClass      movie_class;
 121 };
 122
 123 GType           swfdec_text_field_movie_get_type                (void);
 124
 125 void            swfdec_text_field_movie_set_text                (SwfdecTextFieldMovie * movie,
 126                                                          const char *           str,
 127                                                          gboolean               html);
 128 void            swfdec_text_field_movie_get_text_size   (SwfdecTextFieldMovie * text,
 129                                                          int *                  width,
 130                                                          int *                  height);
 131 gboolean        swfdec_text_field_movie_auto_size       (SwfdecTextFieldMovie * text);
 132 void            swfdec_text_field_movie_update_scroll   (SwfdecTextFieldMovie * text,
 133                                                          gboolean               check_limits);
 134 void            swfdec_text_field_movie_set_text_format (SwfdecTextFieldMovie * text,
 135                                                          SwfdecTextFormat *     format,
 136                                                          guint                  start_index,
 137                                                          guint                  end_index);
 138 SwfdecTextFormat *swfdec_text_field_movie_get_text_format (SwfdecTextFieldMovie *       text,
 139                                                          guint                  start_index,
 140                                                          guint                  end_index);
 141 const char *    swfdec_text_field_movie_get_text        (SwfdecTextFieldMovie *         text);
 142 void            swfdec_text_field_movie_set_listen_variable (SwfdecTextFieldMovie *     text,
 143                                                          const char *                   value);
 144 void            swfdec_text_field_movie_set_listen_variable_text (SwfdecTextFieldMovie          *text,
 145                                                          const char *                   value);
 146 void            swfdec_text_field_movie_replace_text    (SwfdecTextFieldMovie *         text,
 147                                                          guint                          start_index,
 148                                                          guint                          end_index,
 149                                                          const char *                   str);
 150
 151 /* implemented in swfdec_text_field_movie_as.c */
 152 void            swfdec_text_field_movie_init_properties (SwfdecAsContext *      cx);
 153
 154 /* implemented in swfdec_html_parser.c */
 155 void            swfdec_text_field_movie_html_parse      (SwfdecTextFieldMovie * text,
 156                                                          const char *           str);
 157 const char *    swfdec_text_field_movie_get_html_text   (SwfdecTextFieldMovie *         text);
 158
 159 G_END_DECLS
 160 #endif