swfdec/swfdec_text_field_movie.h

   1 /* Swfdec
   2  * Copyright (C) 2006-2008 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 <swfdec/swfdec_actor.h>
  25 #include <swfdec/swfdec_text_field.h>
  26 #include <swfdec/swfdec_style_sheet.h>
  27 #include <swfdec/swfdec_text_buffer.h>
  28 #include <swfdec/swfdec_text_format.h>
  29 #include <swfdec/swfdec_text_layout.h>
  30
  31 G_BEGIN_DECLS
  32
  33
  34 typedef struct _SwfdecTextFieldMovie SwfdecTextFieldMovie;
  35 typedef struct _SwfdecTextFieldMovieClass SwfdecTextFieldMovieClass;
  36
  37 #define SWFDEC_TYPE_TEXT_FIELD_MOVIE                    (swfdec_text_field_movie_get_type())
  38 #define SWFDEC_IS_TEXT_FIELD_MOVIE(obj)                 (G_TYPE_CHECK_INSTANCE_TYPE ((obj), SWFDEC_TYPE_TEXT_FIELD_MOVIE))
  39 #define SWFDEC_IS_TEXT_FIELD_MOVIE_CLASS(klass)         (G_TYPE_CHECK_CLASS_TYPE ((klass), SWFDEC_TYPE_TEXT_FIELD_MOVIE))
  40 #define SWFDEC_TEXT_FIELD_MOVIE(obj)                    (G_TYPE_CHECK_INSTANCE_CAST ((obj), SWFDEC_TYPE_TEXT_FIELD_MOVIE, SwfdecTextFieldMovie))
  41 #define SWFDEC_TEXT_FIELD_MOVIE_CLASS(klass)            (G_TYPE_CHECK_CLASS_CAST ((klass), SWFDEC_TYPE_TEXT_FIELD_MOVIE, SwfdecTextFieldMovieClass))
  42
  43 struct _SwfdecTextFieldMovie {
  44   SwfdecActor           actor;
  45
  46   SwfdecRect            extents;                /* original extents (copied from graphic) - queue extents update when modifying */
  47   /* these are updated with the movie's extents - so call swfdec_movie_update() */
  48   cairo_matrix_t        to_layout;              /* matrix to go from movie => layout */
  49   cairo_matrix_t        from_layout;            /* matrix to go from layout => movie */
  50   SwfdecRectangle       layout_area;            /* layout we render to in stage coordinates */
  51   SwfdecRectangle       stage_area;             /* complete size of textfield in stage coordinates */
  52
  53   /* properties copied from textfield */
  54   gboolean              html;
  55   gboolean              editable;
  56   int                   max_chars;
  57   gboolean              selectable;
  58   gboolean              embed_fonts;
  59   gboolean              multiline;
  60   SwfdecAutoSize        auto_size;
  61   gboolean              border;
  62   gboolean              background;
  63
  64   SwfdecTextBuffer *    text;                   /* the text + formatting */
  65   SwfdecTextLayout *    layout;                 /* the layouted text */
  66   /* cached values from the layout (updated sometimes via swfdec_text_field_movie_update_layout()) */
  67   guint                 layout_width;           /* width of the layout */
  68   guint                 layout_height;          /* height of the layout */
  69   guint                 scroll;                 /* current scroll offset in lines (0-indexed) */
  70   guint                 scroll_max;             /* scroll must be smaller than this value */
  71   guint                 lines_visible;          /* number of lines currently visible */
  72   guint                 hscroll;                /* horizontal scrolling offset in pixels */
  73
  74   const char *          variable;
  75
  76   gboolean              condense_white;
  77
  78   SwfdecAsObject *      style_sheet;
  79   const char *          style_sheet_input;      /* saved input, so it can be used to apply stylesheet again */
  80
  81   gboolean              onScroller_emitted;     /* if any of the scroll attributes have changed and we haven't fired the event yet */
  82   guint                 changed;                /* number of onChanged events we have to emit */
  83   gboolean              mouse_wheel_enabled;
  84
  85   const char *          restrict_;
  86
  87   SwfdecColor           border_color;
  88   SwfdecColor           background_color;
  89
  90   gboolean              mouse_pressed;
  91   guint                 character_pressed;
  92 };
  93
  94 struct _SwfdecTextFieldMovieClass {
  95   SwfdecActorClass      actor_class;
  96 };
  97
  98 GType           swfdec_text_field_movie_get_type                (void);
  99
 100 void            swfdec_text_field_movie_set_text        (SwfdecTextFieldMovie * movie,
 101                                                          const char *           str,
 102                                                          gboolean               html);
 103 void            swfdec_text_field_movie_autosize        (SwfdecTextFieldMovie * text);
 104 void            swfdec_text_field_movie_update_layout   (SwfdecTextFieldMovie * text);
 105 void            swfdec_text_field_movie_emit_onScroller (SwfdecTextFieldMovie * text);
 106 const char *    swfdec_text_field_movie_get_text        (SwfdecTextFieldMovie * text);
 107 void            swfdec_text_field_movie_set_listen_variable
 108                                                         (SwfdecTextFieldMovie * text,
 109                                                          const char *           value);
 110 void            swfdec_text_field_movie_set_listen_variable_text
 111                                                         (SwfdecTextFieldMovie * text,
 112                                                          const char *           value);
 113
 114 guint           swfdec_text_field_movie_get_hscroll_max (SwfdecTextFieldMovie * text);
 115
 116 /* implemented in swfdec_text_field_movie_as.c */
 117 void            swfdec_text_field_movie_init_properties (SwfdecAsContext *      cx);
 118
 119 /* implemented in swfdec_html_parser.c */
 120 void            swfdec_text_field_movie_html_parse      (SwfdecTextFieldMovie * text,
 121                                                          const char *           str);
 122 const char *    swfdec_text_field_movie_get_html_text   (SwfdecTextFieldMovie * text);
 123
 124 G_END_DECLS
 125 #endif