diff options
Diffstat (limited to 'gtk/gtktextbtree.h')
-rw-r--r-- | gtk/gtktextbtree.h | 279 |
1 files changed, 279 insertions, 0 deletions
diff --git a/gtk/gtktextbtree.h b/gtk/gtktextbtree.h new file mode 100644 index 0000000000..91b37af759 --- /dev/null +++ b/gtk/gtktextbtree.h @@ -0,0 +1,279 @@ +#ifndef GTK_TEXT_BTREE_H +#define GTK_TEXT_BTREE_H + +#ifdef __cplusplus +extern "C" { +#endif /* __cplusplus */ + +#include <gtk/gtktextbuffer.h> +#include <gtk/gtktexttag.h> +#include <gtk/gtktextmark.h> +#include <gtk/gtktextchild.h> +#include <gtk/gtktextsegment.h> +#include <gtk/gtktextiter.h> + + +GtkTextBTree *gtk_text_btree_new (GtkTextTagTable *table, + GtkTextBuffer *buffer); +void gtk_text_btree_ref (GtkTextBTree *tree); +void gtk_text_btree_unref (GtkTextBTree *tree); +GtkTextBuffer *gtk_text_btree_get_buffer (GtkTextBTree *tree); + + +guint gtk_text_btree_get_chars_changed_stamp (GtkTextBTree *tree); +guint gtk_text_btree_get_segments_changed_stamp (GtkTextBTree *tree); +void gtk_text_btree_segments_changed (GtkTextBTree *tree); + + +/* Indexable segment mutation */ + +void gtk_text_btree_delete (GtkTextIter *start, + GtkTextIter *end); +void gtk_text_btree_insert (GtkTextIter *iter, + const gchar *text, + gint len); +void gtk_text_btree_insert_pixmap (GtkTextIter *iter, + GdkPixmap *pixmap, + GdkBitmap *mask); + + + +/* View stuff */ +GtkTextLine *gtk_text_btree_find_line_by_y (GtkTextBTree *tree, + gpointer view_id, + gint ypixel, + gint *line_top_y); +gint gtk_text_btree_find_line_top (GtkTextBTree *tree, + GtkTextLine *line, + gpointer view_id); +void gtk_text_btree_add_view (GtkTextBTree *tree, + GtkTextLayout *layout); +void gtk_text_btree_remove_view (GtkTextBTree *tree, + gpointer view_id); +void gtk_text_btree_invalidate_region (GtkTextBTree *tree, + const GtkTextIter *start, + const GtkTextIter *end); +void gtk_text_btree_get_view_size (GtkTextBTree *tree, + gpointer view_id, + gint *width, + gint *height); +gboolean gtk_text_btree_is_valid (GtkTextBTree *tree, + gpointer view_id); +gboolean gtk_text_btree_validate (GtkTextBTree *tree, + gpointer view_id, + gint max_pixels, + gint *y, + gint *old_height, + gint *new_height); +void gtk_text_btree_validate_line (GtkTextBTree *tree, + GtkTextLine *line, + gpointer view_id); + +/* Tag */ + +void gtk_text_btree_tag (const GtkTextIter *start, + const GtkTextIter *end, + GtkTextTag *tag, + gboolean apply); + +/* "Getters" */ + +GtkTextLine * gtk_text_btree_get_line (GtkTextBTree *tree, + gint line_number, + gint *real_line_number); +GtkTextLine * gtk_text_btree_get_line_at_char (GtkTextBTree *tree, + gint char_index, + gint *line_start_index, + gint *real_char_index); +GtkTextTag** gtk_text_btree_get_tags (const GtkTextIter *iter, + gint *num_tags); +gchar *gtk_text_btree_get_text (const GtkTextIter *start, + const GtkTextIter *end, + gboolean include_hidden, + gboolean include_nonchars); +gint gtk_text_btree_line_count (GtkTextBTree *tree); +gint gtk_text_btree_char_count (GtkTextBTree *tree); +gboolean gtk_text_btree_char_is_invisible (const GtkTextIter *iter); + + + +/* Get iterators (these are implemented in gtktextiter.c) */ +void gtk_text_btree_get_iter_at_char (GtkTextBTree *tree, + GtkTextIter *iter, + gint char_index); +void gtk_text_btree_get_iter_at_line_char (GtkTextBTree *tree, + GtkTextIter *iter, + gint line_number, + gint char_index); +void gtk_text_btree_get_iter_at_line_byte (GtkTextBTree *tree, + GtkTextIter *iter, + gint line_number, + gint byte_index); +gboolean gtk_text_btree_get_iter_from_string (GtkTextBTree *tree, + GtkTextIter *iter, + const gchar *string); +gboolean gtk_text_btree_get_iter_at_mark_name (GtkTextBTree *tree, + GtkTextIter *iter, + const gchar *mark_name); +void gtk_text_btree_get_iter_at_mark (GtkTextBTree *tree, + GtkTextIter *iter, + GtkTextLineSegment *mark); +void gtk_text_btree_get_last_iter (GtkTextBTree *tree, + GtkTextIter *iter); +void gtk_text_btree_get_iter_at_line (GtkTextBTree *tree, + GtkTextIter *iter, + GtkTextLine *line, + gint byte_offset); +gboolean gtk_text_btree_get_iter_at_first_toggle (GtkTextBTree *tree, + GtkTextIter *iter, + GtkTextTag *tag); +gboolean gtk_text_btree_get_iter_at_last_toggle (GtkTextBTree *tree, + GtkTextIter *iter, + GtkTextTag *tag); + + +/* Manipulate marks */ +GtkTextLineSegment *gtk_text_btree_set_mark (GtkTextBTree *tree, + const gchar *name, + gboolean left_gravity, + const GtkTextIter *index, + gboolean should_exist); +void gtk_text_btree_remove_mark_by_name (GtkTextBTree *tree, + const gchar *name); +void gtk_text_btree_remove_mark (GtkTextBTree *tree, + GtkTextLineSegment *segment); +gboolean gtk_text_btree_get_selection_bounds (GtkTextBTree *tree, + GtkTextIter *start, + GtkTextIter *end); +void gtk_text_btree_place_cursor (GtkTextBTree *tree, + const GtkTextIter *where); +gboolean gtk_text_btree_mark_is_insert (GtkTextBTree *tree, + GtkTextLineSegment *segment); +gboolean gtk_text_btree_mark_is_selection_bound (GtkTextBTree *tree, + GtkTextLineSegment *segment); +GtkTextLineSegment *gtk_text_btree_get_mark_by_name (GtkTextBTree *tree, + const gchar *name); +GtkTextLine * gtk_text_btree_first_could_contain_tag (GtkTextBTree *tree, + GtkTextTag *tag); +GtkTextLine * gtk_text_btree_last_could_contain_tag (GtkTextBTree *tree, + GtkTextTag *tag); + +/* Lines */ + +/* Chunk of data associated with a line; views can use this to store + info at the line. They should "subclass" the header struct here. */ +typedef struct _GtkTextLineData GtkTextLineData; + +struct _GtkTextLineData { + gpointer view_id; + GtkTextLineData *next; + gint height; + gint width : 24; + gint valid : 8; +}; + +/* + * The data structure below defines a single line of text (from newline + * to newline, not necessarily what appears on one line of the screen). + * + * You can consider this line a "paragraph" also + */ + +struct _GtkTextLine { + GtkTextBTreeNode *parent; /* Pointer to parent node containing + * line. */ + GtkTextLine *next; /* Next in linked list of lines with + * same parent node in B-tree. NULL + * means end of list. */ + GtkTextLineSegment *segments; /* First in ordered list of segments + * that make up the line. */ + GtkTextLineData *views; /* data stored here by views */ +}; + + +gint gtk_text_line_get_number (GtkTextLine *line); +gboolean gtk_text_line_char_has_tag (GtkTextLine *line, + GtkTextBTree *tree, + gint char_in_line, + GtkTextTag *tag); +gboolean gtk_text_line_byte_has_tag (GtkTextLine *line, + GtkTextBTree *tree, + gint byte_in_line, + GtkTextTag *tag); +GtkTextLine * gtk_text_line_next (GtkTextLine *line); +GtkTextLine * gtk_text_line_previous (GtkTextLine *line); +void gtk_text_line_add_data (GtkTextLine *line, + GtkTextLineData *data); +gpointer gtk_text_line_remove_data (GtkTextLine *line, + gpointer view_id); +gpointer gtk_text_line_get_data (GtkTextLine *line, + gpointer view_id); +void gtk_text_line_invalidate_wrap (GtkTextLine *line, + GtkTextLineData *ld); +gint gtk_text_line_char_count (GtkTextLine *line); +gint gtk_text_line_byte_count (GtkTextLine *line); +gint gtk_text_line_char_index (GtkTextLine *line); +GtkTextLineSegment *gtk_text_line_byte_to_segment (GtkTextLine *line, + gint byte_offset, + gint *seg_offset); +GtkTextLineSegment *gtk_text_line_char_to_segment (GtkTextLine *line, + gint char_offset, + gint *seg_offset); +void gtk_text_line_byte_locate (GtkTextLine *line, + gint byte_offset, + GtkTextLineSegment **segment, + GtkTextLineSegment **any_segment, + gint *seg_byte_offset, + gint *line_byte_offset); +void gtk_text_line_char_locate (GtkTextLine *line, + gint char_offset, + GtkTextLineSegment **segment, + GtkTextLineSegment **any_segment, + gint *seg_char_offset, + gint *line_char_offset); +void gtk_text_line_byte_to_char_offsets (GtkTextLine *line, + gint byte_offset, + gint *line_char_offset, + gint *seg_char_offset); +void gtk_text_line_char_to_byte_offsets (GtkTextLine *line, + gint char_offset, + gint *line_byte_offset, + gint *seg_byte_offset); +GtkTextLineSegment *gtk_text_line_byte_to_any_segment (GtkTextLine *line, + gint byte_offset, + gint *seg_offset); +GtkTextLineSegment *gtk_text_line_char_to_any_segment (GtkTextLine *line, + gint char_offset, + gint *seg_offset); +gint gtk_text_line_byte_to_char (GtkTextLine *line, + gint byte_offset); +gint gtk_text_line_char_to_byte (GtkTextLine *line, + gint char_offset); +GtkTextLine * gtk_text_line_next_could_contain_tag (GtkTextLine *line, + GtkTextBTree *tree, + GtkTextTag *tag); +GtkTextLine * gtk_text_line_previous_could_contain_tag (GtkTextLine *line, + GtkTextBTree *tree, + GtkTextTag *tag); + + +/* Debug */ +void gtk_text_btree_check (GtkTextBTree *tree); +void gtk_text_btree_spew (GtkTextBTree *tree); +extern gboolean gtk_text_view_debug_btree; + +/* ignore, exported only for gtktextsegment.c */ +void toggle_segment_check_func (GtkTextLineSegment *segPtr, + GtkTextLine *line); +void change_node_toggle_count (GtkTextBTreeNode *node, + GtkTextTagInfo *info, + gint delta); + + +#ifdef __cplusplus +} +#endif /* __cplusplus */ + +#endif + + |