swfdec/swfdec_text_field.c

   1 /* Swfdec
   2  * Copyright (C) 2006-2007 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 #ifdef HAVE_CONFIG_H
  22 #include "config.h"
  23 #endif
  24
  25 #include <string.h>
  26
  27 #include "swfdec_text_field.h"
  28 #include "swfdec_debug.h"
  29 #include "swfdec_text_field_movie.h"
  30 #include "swfdec_font.h"
  31 #include "swfdec_player_internal.h"
  32 #include "swfdec_swf_decoder.h"
  33
  34 G_DEFINE_TYPE (SwfdecTextField, swfdec_text_field, SWFDEC_TYPE_GRAPHIC)
  35
  36 static gboolean
  37 swfdec_text_field_mouse_in (SwfdecGraphic *graphic, double x, double y)
  38 {
  39   return swfdec_rect_contains (&graphic->extents, x, y);
  40 }
  41
  42 static void
  43 swfdec_text_field_dispose (GObject *object)
  44 {
  45   SwfdecTextField *text = SWFDEC_TEXT_FIELD (object);
  46
  47   if (text->input != NULL) {
  48     g_free (text->input);
  49     text->input = NULL;
  50   }
  51   if (text->variable != NULL) {
  52     g_free (text->variable);
  53     text->variable = NULL;
  54   }
  55   if (text->font != NULL) {
  56     g_free (text->font);
  57     text->font = NULL;
  58   }
  59
  60   G_OBJECT_CLASS (swfdec_text_field_parent_class)->dispose (object);
  61 }
  62
  63 static void
  64 swfdec_text_field_class_init (SwfdecTextFieldClass * g_class)
  65 {
  66   GObjectClass *object_class = G_OBJECT_CLASS (g_class);
  67   SwfdecGraphicClass *graphic_class = SWFDEC_GRAPHIC_CLASS (g_class);
  68
  69   object_class->dispose = swfdec_text_field_dispose;
  70
  71   graphic_class->movie_type = SWFDEC_TYPE_TEXT_FIELD_MOVIE;
  72   graphic_class->mouse_in = swfdec_text_field_mouse_in;
  73 }
  74
  75 static void
  76 swfdec_text_field_init (SwfdecTextField * text)
  77 {
  78 }
  79
  80 int
  81 tag_func_define_edit_text (SwfdecSwfDecoder * s, guint tag)
  82 {
  83   SwfdecTextField *text;
  84   guint id;
  85   int reserved;
  86   gboolean has_font, has_color, has_max_length, has_layout, has_text;
  87   gboolean has_font_class;
  88   SwfdecBits *b = &s->b;
  89
  90   id = swfdec_bits_get_u16 (b);
  91   SWFDEC_LOG ("  id = %u", id);
  92   text = swfdec_swf_decoder_create_character (s, id, SWFDEC_TYPE_TEXT_FIELD);
  93   if (text == NULL)
  94     return SWFDEC_STATUS_OK;
  95
  96   swfdec_bits_get_rect (b, &SWFDEC_GRAPHIC (text)->extents);
  97   SWFDEC_LOG ("  extents: %g %g  %g %g",
  98       SWFDEC_GRAPHIC (text)->extents.x0, SWFDEC_GRAPHIC (text)->extents.y0,
  99       SWFDEC_GRAPHIC (text)->extents.x1, SWFDEC_GRAPHIC (text)->extents.y1);
 100   swfdec_bits_syncbits (b);
 101
 102   has_text = swfdec_bits_getbit (b);
 103   text->word_wrap = swfdec_bits_getbit (b);
 104   text->multiline = swfdec_bits_getbit (b);
 105   text->password = swfdec_bits_getbit (b);
 106   text->editable = !swfdec_bits_getbit (b);
 107   has_color = swfdec_bits_getbit (b);
 108   has_max_length = swfdec_bits_getbit (b);
 109   has_font = swfdec_bits_getbit (b);
 110   has_font_class = swfdec_bits_getbit (b);
 111   text->auto_size =
 112     (swfdec_bits_getbit (b) ? SWFDEC_AUTO_SIZE_LEFT : SWFDEC_AUTO_SIZE_NONE);
 113   has_layout = swfdec_bits_getbit (b);
 114   text->selectable = !swfdec_bits_getbit (b);
 115   text->background = text->border = swfdec_bits_getbit (b);
 116   reserved = swfdec_bits_getbit (b);
 117   text->html = swfdec_bits_getbit (b);
 118   text->embed_fonts = swfdec_bits_getbit (b);
 119   if (text->embed_fonts)
 120     SWFDEC_FIXME ("Using embed fonts in TextField is not supported");
 121
 122   SWFDEC_LOG ("  word wrap: %u", text->word_wrap);
 123   SWFDEC_LOG ("  multiline: %u", text->multiline);
 124   SWFDEC_LOG ("  password: %u", text->password);
 125   SWFDEC_LOG ("  editable: %u", text->editable);
 126   SWFDEC_LOG ("  autosize: %u", text->auto_size);
 127   SWFDEC_LOG ("  selectable: %u", text->selectable);
 128   SWFDEC_LOG ("  background: %u", text->background);
 129   SWFDEC_LOG ("  html: %u", text->html);
 130   SWFDEC_LOG ("  embedFonts: %u", text->embed_fonts);
 131
 132   if (has_font) {
 133     SwfdecCharacter *font;
 134
 135     id = swfdec_bits_get_u16 (b);
 136     font = swfdec_swf_decoder_get_character (s, id);
 137     if (SWFDEC_IS_FONT (font)) {
 138       SWFDEC_LOG ("  font = %u", id);
 139       text->font = g_strdup (SWFDEC_FONT (font)->name);
 140     } else {
 141       SWFDEC_ERROR ("id %u does not specify a font", id);
 142     }
 143     text->size = swfdec_bits_get_u16 (b);
 144     SWFDEC_LOG ("  size = %u", text->size);
 145   }
 146
 147   if (has_font_class) {
 148     SWFDEC_FIXME ("Implement font_class for EditText");
 149     if (has_font)
 150       SWFDEC_FIXME ("What to do if both font and font class are defined?");
 151     swfdec_bits_get_string (b, s->version);
 152   }
 153
 154   if (has_color) {
 155     text->color = swfdec_bits_get_rgba (b);
 156     SWFDEC_LOG ("  color = %u", text->color);
 157   } else {
 158     SWFDEC_WARNING ("FIXME: figure out default color");
 159     text->color = SWFDEC_COLOR_COMBINE (255, 255, 255, 0);
 160   }
 161
 162   if (has_max_length) {
 163     text->max_chars = swfdec_bits_get_u16 (b);
 164   } else {
 165     text->max_chars = 0;
 166   }
 167
 168   if (has_layout) {
 169     guint align = swfdec_bits_get_u8 (b);
 170     switch (align) {
 171       case 0:
 172         text->align = SWFDEC_TEXT_ALIGN_LEFT;
 173         break;
 174       case 1:
 175         text->align = SWFDEC_TEXT_ALIGN_RIGHT;
 176         break;
 177       case 2:
 178         text->align = SWFDEC_TEXT_ALIGN_CENTER;
 179         break;
 180       case 3:
 181         text->align = SWFDEC_TEXT_ALIGN_JUSTIFY;
 182         break;
 183       default:
 184         SWFDEC_ERROR ("undefined align value %u", align);
 185         break;
 186     }
 187     text->left_margin = swfdec_bits_get_u16 (b);
 188     text->right_margin = swfdec_bits_get_u16 (b);
 189     text->indent = swfdec_bits_get_u16 (b);
 190     text->leading = swfdec_bits_get_s16 (b);
 191   }
 192
 193   text->variable = swfdec_bits_get_string (b, s->version);
 194   if (text->variable && *text->variable == 0) {
 195     g_free (text->variable);
 196     text->variable = NULL;
 197   }
 198
 199   if (has_text) {
 200     text->input = swfdec_bits_get_string (b, s->version);
 201     SWFDEC_LOG ("  text = %s", text->input);
 202   }
 203
 204   return SWFDEC_STATUS_OK;
 205 }