1 files changed, 119 insertions, 0 deletions
diff --git a/src/inlinebox.h b/src/inlinebox.h
new file mode 100644
index 0000000..03e5ec8
--- /dev/null
+++ b/src/inlinebox.h
@@ -0,0 +1,119 @@
+/* WWWLite, a lightweight web browser.
+   Copyright (C) 2019 defanor
+
+   This program is free software: you can redistribute it and/or modify
+   it under the terms of the GNU General Public License as published by
+   the Free Software Foundation, either version 3 of the License, or
+   (at your option) any later version.
+
+   This program is distributed in the hope that it will be useful,
+   but WITHOUT ANY WARRANTY; without even the implied warranty of
+   MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+   GNU General Public License for more details.
+
+   You should have received a copy of the GNU General Public License
+   along with this program.  If not, see <https://www.gnu.org/licenses/>.
+*/
+
+#ifndef INLINE_BOX_H
+#define INLINE_BOX_H
+
+#include <glib-object.h>
+#include <gtk/gtk.h>
+
+G_BEGIN_DECLS
+
+
+/* inline box text */
+
+/* Using just a GObject for it (and not a GtkWidget), since it's a few
+   times slower with GtkWidget. */
+
+#define IB_TEXT_TYPE (ib_text_get_type())
+G_DECLARE_FINAL_TYPE (IBText, ib_text, IB, TEXT, GObject);
+
+struct _IBText {
+  GObject parent_instance;
+  PangoLayout *layout;
+  GtkAllocation alloc;
+};
+
+#define IS_IB_TEXT(obj)            (G_TYPE_CHECK_INSTANCE_TYPE((obj), IB_TEXT_TYPE))
+
+IBText* ib_text_new (PangoLayout *layout);
+gboolean ib_text_at_point(IBText *ibt, gint x, gint y, gint *position);
+
+
+/* line break */
+
+#define IB_BREAK_TYPE (ib_break_get_type())
+G_DECLARE_FINAL_TYPE (IBBreak, ib_break, IB, BREAK, GObject);
+
+struct _IBBreak
+{
+  GObject parent_instance;
+};
+
+#define IS_IB_BREAK(obj)            (G_TYPE_CHECK_INSTANCE_TYPE((obj), IB_BREAK_TYPE))
+IBBreak *ib_break_new ();
+
+
+
+/* link */
+
+#define IB_LINK_TYPE (ib_link_get_type())
+G_DECLARE_FINAL_TYPE (IBLink, ib_link, IB, LINK, GObject);
+
+struct _IBLink
+{
+  GObject parent_instance;
+  guint start;
+  guint end;
+  GList *objects;               /* todo */
+  gchar *url;
+};
+
+#define IS_IB_LINK(obj)            (G_TYPE_CHECK_INSTANCE_TYPE((obj), IB_LINK_TYPE))
+IBLink *ib_link_new (const gchar *url);
+
+
+/* inline box */
+
+#define INLINE_BOX_TYPE            (inline_box_get_type())
+#define INLINE_BOX(obj)            (G_TYPE_CHECK_INSTANCE_CAST((obj), INLINE_BOX_TYPE, InlineBox))
+#define INLINE_BOX_CLASS(klass)    (G_TYPE_CHECK_CLASS_CAST((klass), INLINE_BOX_TYPE, InlineBoxClass))
+#define IS_INLINE_BOX(obj)         (G_TYPE_CHECK_INSTANCE_TYPE((obj), INLINE_BOX_TYPE))
+#define IS_INLINE_BOX_CLASS(klass) (G_TYPE_CHECK_CLASS_TYPE((klass), INLINE_BOX_TYPE))
+
+typedef struct _InlineBox InlineBox;
+typedef struct _InlineBoxClass InlineBoxClass;
+
+struct _InlineBox
+{
+  GtkContainer parent_instance;
+  GList *children;
+  GList *last_child;
+  /* It would be cleaner to store links as children, but that would
+     require additional functions to manage children. Keeping a
+     separate list for now; probably it's not worth the complication,
+     and it's only needed to manage/draw focus. */
+  GList *links;
+  GObject *focused_object;
+  guint selection_start;
+  guint selection_end;
+  gboolean wrap;
+};
+
+struct _InlineBoxClass
+{
+  GtkContainerClass parent_class;
+};
+
+GType inline_box_get_type(void) G_GNUC_CONST;
+InlineBox *inline_box_new(void);
+void inline_box_add_text(InlineBox *container, IBText *text);
+void inline_box_break(InlineBox *container);
+
+G_END_DECLS
+
+#endif