Introduce incremental text search

It is quite rough and should be refined, but as with most of the other
features, introducing it at this stage primarily to ensure that it
will not require major changes.

1 files changed, 20 insertions, 2 deletions

diff --git a/src/documentbox.h b/src/documentbox.h
index 351471b..64a2320 100644
--- a/src/documentbox.h
+++ b/src/documentbox.h
@@ -46,14 +46,32 @@ struct _SelectionState
   gboolean selecting;
 };
 
+typedef enum _TSState TSState;
+enum _TSState {
+  START,
+  LOOKING,
+  FOUND
+};
+
+typedef struct _TextSearchState TextSearchState;
+struct _TextSearchState
+{
+  InlineBox *ib;
+  gint start;
+  gint end;
+  const gchar *str;
+  gboolean forward;
+  TSState state;
+};
+
 struct _DocumentBox
 {
   GtkScrolledWindow parent_instance;
   GtkEventBox *evbox;
   GList *links;
   SelectionState sel;
+  TextSearchState search;
   GdkWindow *event_window;
-  /* GList *forms; */
 };
 
 struct _DocumentBoxClass
@@ -63,7 +81,7 @@ struct _DocumentBoxClass
 
 GType document_box_get_type(void) G_GNUC_CONST;
 DocumentBox *document_box_new(void);
-
+gboolean document_box_find (DocumentBox *db, const gchar *str);
 
 G_END_DECLS