Pileus Git - ~andy/gtk/blob - gtk/gtktexttypes.h

   1 #ifndef GTK_TEXT_TYPES_H
   2 #define GTK_TEXT_TYPES_H
   3
   4 #ifdef __cplusplus
   5 extern "C" {
   6 #endif /* __cplusplus */
   7
   8 #include <glib.h>
   9
  10 #include <gtk/gtktextbuffer.h>
  11 #include <gtk/gtktexttagprivate.h>
  12
  13
  14 typedef struct _GtkTextCounter GtkTextCounter;
  15 typedef struct _GtkTextLineSegment GtkTextLineSegment;
  16 typedef struct _GtkTextLineSegmentClass GtkTextLineSegmentClass;
  17 typedef struct _GtkTextToggleBody GtkTextToggleBody;
  18 typedef struct _GtkTextViewSearch GtkTextViewSearch;
  19 typedef struct _GtkTextTab GtkTextTab;
  20 typedef struct _GtkTextViewStyle GtkTextViewStyle;
  21 typedef struct _GtkTextMarkBody GtkTextMarkBody;
  22
  23 /*
  24  * Search
  25  */
  26
  27 /*
  28  * The data structure below is used for searching a B-tree for transitions
  29  * on a single tag (or for all tag transitions).  No code outside of
  30  * tkTextBTree.c should ever modify any of the fields in these structures,
  31  * but it's OK to use them for read-only information.
  32  */
  33
  34 struct _GtkTextViewSearch {
  35   GtkTextBTree *tree;
  36
  37   GtkTextIter curIndex;         /* Position of last tag transition
  38                                          * returned by gtk_text_btree_next_tag, or
  39                                          * index of start of segment
  40                                          * containing starting position for
  41                                          * search if gtk_text_btree_next_tag hasn't
  42                                          * been called yet, or same as
  43                                          * stopIndex if search is over. */
  44
  45   GtkTextLineSegment *segPtr;           /* Actual tag segment returned
  46                                            by last call to
  47                                            gtk_text_btree_next_tag,
  48                                            or NULL if
  49                                            gtk_text_btree_next_tag
  50                                            hasn't returned  anything
  51                                            yet. */
  52
  53   GtkTextLineSegment *lastPtr;          /* Stop search before just before
  54                                          * considering this segment. */
  55   GtkTextTag *tag;                      /* Tag to search for (or tag found, if
  56                                          * allTags is non-zero). */
  57   int linesLeft;                        /* Lines left to search (including
  58                                          * curIndex and stopIndex).  When
  59                                          * this becomes <= 0 the search is
  60                                          * over. */
  61   int allTags;                  /* Non-zero means ignore tag check:
  62                                  * search for transitions on all
  63                                  * tags. */
  64 };
  65
  66 /*
  67  * The following data structure describes a single tab stop.
  68  */
  69
  70 typedef enum {
  71   GTK_TEXT_TAB_LEFT,
  72   GTK_TEXT_TAB_RIGHT,
  73   GTK_TEXT_TAB_CENTER,
  74   GTK_TEXT_TAB_NUMERIC
  75 } GtkTextTabAlign;
  76
  77 struct _GtkTextTab {
  78     int location;                       /* Offset in pixels of this tab stop
  79                                          * from the left margin (lmargin2) of
  80                                          * the text. */
  81     GtkTextTabAlign alignment;          /* Where the tab stop appears relative
  82                                          * to the text. */
  83 };
  84
  85 struct _GtkTextTabArray {
  86   guint refcount;
  87   int numTabs;                  /* Number of tab stops. */
  88   GtkTextTab *tabs;
  89 };
  90
  91 GtkTextTabArray *gtk_text_view_tab_array_new   (guint             size);
  92 void              gtk_text_view_tab_array_ref   (GtkTextTabArray *tab_array);
  93 void              gtk_text_view_tab_array_unref (GtkTextTabArray *tab_array);
  94
  95 /*
  96  * Declarations for variables shared among the text-related files:
  97  */
  98
  99 /* In gtktextbtree.c */
 100 extern GtkTextLineSegmentClass gtk_text_char_type;
 101 extern GtkTextLineSegmentClass gtk_text_toggle_on_type;
 102 extern GtkTextLineSegmentClass gtk_text_toggle_off_type;
 103
 104 /* In gtktextmark.c */
 105 extern GtkTextLineSegmentClass gtk_text_left_mark_type;
 106 extern GtkTextLineSegmentClass gtk_text_right_mark_type;
 107
 108 /* In gtktextchild.c */
 109 extern GtkTextLineSegmentClass gtk_text_pixmap_type;
 110 extern GtkTextLineSegmentClass gtk_text_view_child_type;
 111
 112 /*
 113  * UTF 8 Stubs
 114  */
 115
 116 extern const gunichar gtk_text_unknown_char;
 117 extern const gchar gtk_text_unknown_char_utf8[];
 118
 119 gboolean gtk_text_byte_begins_utf8_char (const gchar *byte);
 120 guint    gtk_text_utf_to_latin1_char    (const gchar *p,
 121                                          guchar      *l1_ch);
 122 gchar*   gtk_text_utf_to_latin1         (const gchar *p,
 123                                          gint         len);
 124 gchar*   gtk_text_latin1_to_utf         (const gchar *latin1,
 125                                          gint         len);
 126
 127
 128 gchar*   g_convert (const gchar *str,
 129                     gint         len,
 130                     const gchar *to_codeset,
 131                     const gchar *from_codeset,
 132                     gint        *bytes_converted);
 133
 134 #ifdef __cplusplus
 135 }
 136 #endif /* __cplusplus */
 137
 138 #endif
 139