4 #include <glib-object.h>
6 #include <gtk/gtkenums.h>
8 /* Not needed, retained for compatibility -Yosh */
9 #include <gtk/gtkobject.h>
13 #endif /* __cplusplus */
15 typedef struct _GtkTextIter GtkTextIter;
16 typedef struct _GtkTextTagTable GtkTextTagTable;
18 typedef struct _GtkTextAttributes GtkTextAttributes;
20 #define GTK_TYPE_TEXT_TAG (gtk_text_tag_get_type ())
21 #define GTK_TEXT_TAG(obj) (G_TYPE_CHECK_INSTANCE_CAST ((obj), GTK_TYPE_TEXT_TAG, GtkTextTag))
22 #define GTK_TEXT_TAG_CLASS(klass) (G_TYPE_CHECK_CLASS_CAST ((klass), GTK_TYPE_TEXT_TAG, GtkTextTagClass))
23 #define GTK_IS_TEXT_TAG(obj) (G_TYPE_CHECK_INSTANCE_TYPE ((obj), GTK_TYPE_TEXT_TAG))
24 #define GTK_IS_TEXT_TAG_CLASS(klass) (G_TYPE_CHECK_CLASS_TYPE ((klass), GTK_TYPE_TEXT_TAG))
25 #define GTK_TEXT_TAG_GET_CLASS(obj) (G_TYPE_INSTANCE_GET_CLASS ((obj), GTK_TYPE_TEXT_TAG, GtkTextTagClass))
27 #define GTK_TYPE_TEXT_ATTRIBUTES (gtk_text_attributes_get_type ())
29 typedef struct _GtkTextTag GtkTextTag;
30 typedef struct _GtkTextTagClass GtkTextTagClass;
34 GObject parent_instance;
36 GtkTextTagTable *table;
38 char *name; /* Name of this tag. This field is actually
39 * a pointer to the key from the entry in
40 * tkxt->tagTable, so it needn't be freed
42 int priority; /* Priority of this tag within widget. 0
43 * means lowest priority. Exactly one tag
44 * has each integer value between 0 and
47 * Information for displaying text with this tag. The information
48 * belows acts as an override on information specified by lower-priority
49 * tags. If no value is specified, then the next-lower-priority tag
50 * on the text determins the value. The text widget itself provides
51 * defaults if no tag specifies an override.
54 GtkTextAttributes *values;
56 /* Flags for whether a given value is set; if a value is unset, then
57 * this tag does not affect it.
59 guint bg_color_set : 1;
60 guint bg_stipple_set : 1;
61 guint fg_color_set : 1;
63 guint fg_stipple_set : 1;
64 guint justification_set : 1;
65 guint left_margin_set : 1;
68 guint strikethrough_set : 1;
69 guint right_margin_set : 1;
70 guint pixels_above_lines_set : 1;
71 guint pixels_below_lines_set : 1;
72 guint pixels_inside_wrap_set : 1;
74 guint underline_set : 1;
75 guint wrap_mode_set : 1;
76 guint bg_full_height_set : 1;
77 guint invisible_set : 1;
78 guint editable_set : 1;
79 guint language_set : 1;
85 struct _GtkTextTagClass
87 GObjectClass parent_class;
89 gboolean (* event) (GtkTextTag *tag,
90 GObject *event_object, /* widget, canvas item, whatever */
91 GdkEvent *event, /* the event itself */
92 const GtkTextIter *iter); /* location of event in buffer */
94 /* Padding for future expansion */
95 void (*_gtk_reserved1) (void);
96 void (*_gtk_reserved2) (void);
97 void (*_gtk_reserved3) (void);
98 void (*_gtk_reserved4) (void);
101 GType gtk_text_tag_get_type (void) G_GNUC_CONST;
102 GtkTextTag *gtk_text_tag_new (const gchar *name);
103 gint gtk_text_tag_get_priority (GtkTextTag *tag);
104 void gtk_text_tag_set_priority (GtkTextTag *tag,
106 gboolean gtk_text_tag_event (GtkTextTag *tag,
107 GObject *event_object,
109 const GtkTextIter *iter);
112 * Style object created by folding a set of tags together
115 typedef struct _GtkTextAppearance GtkTextAppearance;
117 struct _GtkTextAppearance
122 GdkBitmap *bg_stipple;
123 GdkBitmap *fg_stipple;
125 /* super/subscript rise, can be negative */
129 /* I'm not sure this can really be used without breaking some things
130 * an app might do :-/
135 guint underline : 4; /* PangoUnderline */
136 guint strikethrough : 1;
138 /* Whether to use background-related values; this is irrelevant for
139 * the values struct when in a tag, but is used for the composite
140 * values struct; it's true if any of the tags being composited
141 * had background stuff set.
145 /* These are only used when we are actually laying out and rendering
146 * a paragraph; not when a GtkTextAppearance is part of a
149 guint inside_selection : 1;
159 struct _GtkTextAttributes
165 GtkTextAppearance appearance;
167 GtkJustification justification;
168 GtkTextDirection direction;
170 /* Individual chunks of this can be set/unset as a group */
171 PangoFontDescription *font;
181 gint pixels_above_lines;
183 gint pixels_below_lines;
185 gint pixels_inside_wrap;
189 GtkWrapMode wrap_mode; /* How to handle wrap-around for this tag.
190 * Must be GTK_WRAPMODE_CHAR,
191 * GTK_WRAPMODE_NONE, GTK_WRAPMODE_WORD
194 PangoLanguage *language;
197 /* I'm not sure this can really be used without breaking some things
198 * an app might do :-/
206 /* Background is fit to full line height rather than
207 * baseline +/- ascent/descent (font height)
209 guint bg_full_height : 1;
211 /* can edit this text */
214 /* colors are allocated etc. */
224 GtkTextAttributes* gtk_text_attributes_new (void);
225 GtkTextAttributes* gtk_text_attributes_copy (GtkTextAttributes *src);
226 void gtk_text_attributes_copy_values (GtkTextAttributes *src,
227 GtkTextAttributes *dest);
228 void gtk_text_attributes_unref (GtkTextAttributes *values);
229 void gtk_text_attributes_ref (GtkTextAttributes *values);
231 GType gtk_text_attributes_get_type (void);
236 #endif /* __cplusplus */