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

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