* Lesser General Public License for more details.
*
* You should have received a copy of the GNU Lesser General Public
- * License along with this library; if not, write to the Free
- * Software Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
+ * License along with this library. If not, see <http://www.gnu.org/licenses/>.
*
* Original Tk license:
*
* GTK+ at ftp://ftp.gtk.org/pub/gtk/.
*/
-#ifndef GTK_TEXT_LAYOUT_H
-#define GTK_TEXT_LAYOUT_H
-
-#ifdef __cplusplus
-extern "C" {
-#endif /* __cplusplus */
+#ifndef __GTK_TEXT_LAYOUT_H__
+#define __GTK_TEXT_LAYOUT_H__
/* This is a "semi-private" header; it is intended for
* use by the text widget, and the text canvas item,
* canvas item can use it, but users are not supposed
* to use it.
*/
+#ifndef GTK_TEXT_USE_INTERNAL_UNSUPPORTED_API
+#error "You are not supposed to be including this file; the equivalent public API is in gtktextview.h"
+#endif
+
+#include <gtk/gtk.h>
-#include <gtk/gtktextbuffer.h>
-#include <gtk/gtktextiter.h>
+G_BEGIN_DECLS
/* forward declarations that have to be here to avoid including
* gtktextbtree.h
typedef struct _GtkTextLineData GtkTextLineData;
#define GTK_TYPE_TEXT_LAYOUT (gtk_text_layout_get_type ())
-#define GTK_TEXT_LAYOUT(obj) (GTK_CHECK_CAST ((obj), GTK_TYPE_TEXT_LAYOUT, GtkTextLayout))
-#define GTK_TEXT_LAYOUT_CLASS(klass) (GTK_CHECK_CLASS_CAST ((klass), GTK_TYPE_TEXT_LAYOUT, GtkTextLayoutClass))
-#define GTK_IS_TEXT_LAYOUT(obj) (GTK_CHECK_TYPE ((obj), GTK_TYPE_TEXT_LAYOUT))
-#define GTK_IS_TEXT_LAYOUT_CLASS(klass) (GTK_CHECK_CLASS_TYPE ((klass), GTK_TYPE_TEXT_LAYOUT))
-#define GTK_TEXT_LAYOUT_GET_CLASS(obj) (GTK_CHECK_GET_CLASS ((obj), GTK_TYPE_TEXT_LAYOUT, GtkTextLayoutClass))
+#define GTK_TEXT_LAYOUT(obj) (G_TYPE_CHECK_INSTANCE_CAST ((obj), GTK_TYPE_TEXT_LAYOUT, GtkTextLayout))
+#define GTK_TEXT_LAYOUT_CLASS(klass) (G_TYPE_CHECK_CLASS_CAST ((klass), GTK_TYPE_TEXT_LAYOUT, GtkTextLayoutClass))
+#define GTK_IS_TEXT_LAYOUT(obj) (G_TYPE_CHECK_INSTANCE_TYPE ((obj), GTK_TYPE_TEXT_LAYOUT))
+#define GTK_IS_TEXT_LAYOUT_CLASS(klass) (G_TYPE_CHECK_CLASS_TYPE ((klass), GTK_TYPE_TEXT_LAYOUT))
+#define GTK_TEXT_LAYOUT_GET_CLASS(obj) (G_TYPE_INSTANCE_GET_CLASS ((obj), GTK_TYPE_TEXT_LAYOUT, GtkTextLayoutClass))
typedef struct _GtkTextLayout GtkTextLayout;
typedef struct _GtkTextLayoutClass GtkTextLayoutClass;
typedef struct _GtkTextLineDisplay GtkTextLineDisplay;
-typedef struct _GtkTextCursorDisplay GtkTextCursorDisplay;
typedef struct _GtkTextAttrAppearance GtkTextAttrAppearance;
struct _GtkTextLayout
{
- GtkObject parent_instance;
+ GObject parent_instance;
/* width of the display area on-screen,
* i.e. pixels we should wrap to fit inside. */
/* Whether to show the insertion cursor */
guint cursor_visible : 1;
+ /* For what GtkTextDirection to draw cursor GTK_TEXT_DIR_NONE -
+ * means draw both cursors.
+ */
+ guint cursor_direction : 2;
+
+ /* The keyboard direction is used to default the alignment when
+ there are no strong characters.
+ */
+ guint keyboard_direction : 2;
+
/* The preedit string and attributes, if any */
gchar *preedit_string;
PangoAttrList *preedit_attrs;
gint preedit_len;
gint preedit_cursor;
+
+ guint overwrite_mode : 1;
};
struct _GtkTextLayoutClass
{
- GtkObjectClass parent_class;
+ GObjectClass parent_class;
/* Some portion of the layout was invalidated
*/
GtkWidget *child,
gint x,
gint y);
+
+ void (*invalidate_cursors) (GtkTextLayout *layout,
+ const GtkTextIter *start,
+ const GtkTextIter *end);
+
+ /* Padding for future expansion */
+ void (*_gtk_reserved1) (void);
+ void (*_gtk_reserved2) (void);
+ void (*_gtk_reserved3) (void);
};
struct _GtkTextAttrAppearance
PangoAttribute attr;
GtkTextAppearance appearance;
};
-struct _GtkTextCursorDisplay
-{
- gint x;
- gint y;
- gint height;
- guint is_strong : 1;
- guint is_weak : 1;
-};
+
struct _GtkTextLineDisplay
{
PangoLayout *layout;
- GSList *cursors;
- GSList *shaped_objects;
-
+ GArray *cursors; /* indexes of cursors in the PangoLayout */
+
GtkTextDirection direction;
gint width; /* Width of layout */
gint bottom_margin;
gint insert_index; /* Byte index of insert cursor within para or -1 */
- gboolean size_only;
GtkTextLine *line;
+
+ GdkColor *pg_bg_color;
+
+ GdkRectangle block_cursor;
+ guint cursors_invalid : 1;
+ guint has_block_cursor : 1;
+ guint cursor_at_line_end : 1;
+ guint size_only : 1;
+
+ GdkRGBA *pg_bg_rgba;
};
-extern PangoAttrType gtk_text_attr_appearance_type;
-
-GtkType gtk_text_layout_get_type (void) G_GNUC_CONST;
-GtkTextLayout* gtk_text_layout_new (void);
-void gtk_text_layout_set_buffer (GtkTextLayout *layout,
- GtkTextBuffer *buffer);
-void gtk_text_layout_set_default_style (GtkTextLayout *layout,
- GtkTextAttributes *values);
-void gtk_text_layout_set_contexts (GtkTextLayout *layout,
- PangoContext *ltr_context,
- PangoContext *rtl_context);
-void gtk_text_layout_default_style_changed (GtkTextLayout *layout);
-
+#ifdef GTK_COMPILATION
+extern G_GNUC_INTERNAL PangoAttrType gtk_text_attr_appearance_type;
+#endif
+
+GType gtk_text_layout_get_type (void) G_GNUC_CONST;
+
+GtkTextLayout* gtk_text_layout_new (void);
+void gtk_text_layout_set_buffer (GtkTextLayout *layout,
+ GtkTextBuffer *buffer);
+GtkTextBuffer *gtk_text_layout_get_buffer (GtkTextLayout *layout);
+void gtk_text_layout_set_default_style (GtkTextLayout *layout,
+ GtkTextAttributes *values);
+void gtk_text_layout_set_contexts (GtkTextLayout *layout,
+ PangoContext *ltr_context,
+ PangoContext *rtl_context);
+void gtk_text_layout_set_cursor_direction (GtkTextLayout *layout,
+ GtkTextDirection direction);
+void gtk_text_layout_set_overwrite_mode (GtkTextLayout *layout,
+ gboolean overwrite);
+void gtk_text_layout_set_keyboard_direction (GtkTextLayout *layout,
+ GtkTextDirection keyboard_dir);
+void gtk_text_layout_default_style_changed (GtkTextLayout *layout);
+
void gtk_text_layout_set_screen_width (GtkTextLayout *layout,
gint width);
void gtk_text_layout_set_preedit_string (GtkTextLayout *layout,
GtkTextIter *iter,
gint x,
gint y);
+void gtk_text_layout_get_iter_at_position (GtkTextLayout *layout,
+ GtkTextIter *iter,
+ gint *trailing,
+ gint x,
+ gint y);
void gtk_text_layout_invalidate (GtkTextLayout *layout,
const GtkTextIter *start,
const GtkTextIter *end);
+void gtk_text_layout_invalidate_cursors(GtkTextLayout *layout,
+ const GtkTextIter *start,
+ const GtkTextIter *end);
void gtk_text_layout_free_line_data (GtkTextLayout *layout,
GtkTextLine *line,
GtkTextLineData *line_data);
gboolean gtk_text_layout_is_valid (GtkTextLayout *layout);
void gtk_text_layout_validate_yrange (GtkTextLayout *layout,
GtkTextIter *anchor_line,
- gint y0,
- gint y1);
+ gint y0_,
+ gint y1_);
void gtk_text_layout_validate (GtkTextLayout *layout,
gint max_pixels);
gint y,
gint old_height,
gint new_height);
+void gtk_text_layout_cursors_changed (GtkTextLayout *layout,
+ gint y,
+ gint old_height,
+ gint new_height);
void gtk_text_layout_get_iter_location (GtkTextLayout *layout,
const GtkTextIter *iter,
GdkRectangle *rect);
const GtkTextIter *iter,
gint *y,
gint *height);
+void _gtk_text_layout_get_line_xrange (GtkTextLayout *layout,
+ const GtkTextIter *iter,
+ gint *x,
+ gint *width);
void gtk_text_layout_get_cursor_locations (GtkTextLayout *layout,
GtkTextIter *iter,
GdkRectangle *strong_pos,
GdkRectangle *weak_pos);
+gboolean _gtk_text_layout_get_block_cursor (GtkTextLayout *layout,
+ GdkRectangle *pos);
gboolean gtk_text_layout_clamp_iter_to_vrange (GtkTextLayout *layout,
GtkTextIter *iter,
gint top,
gint bottom);
-void gtk_text_layout_move_iter_to_line_end (GtkTextLayout *layout,
- GtkTextIter *iter,
- gint direction);
-void gtk_text_layout_move_iter_to_previous_line (GtkTextLayout *layout,
- GtkTextIter *iter);
-void gtk_text_layout_move_iter_to_next_line (GtkTextLayout *layout,
- GtkTextIter *iter);
-void gtk_text_layout_move_iter_to_x (GtkTextLayout *layout,
- GtkTextIter *iter,
- gint x);
-void gtk_text_layout_move_iter_visually (GtkTextLayout *layout,
- GtkTextIter *iter,
- gint count);
-
+gboolean gtk_text_layout_move_iter_to_line_end (GtkTextLayout *layout,
+ GtkTextIter *iter,
+ gint direction);
+gboolean gtk_text_layout_move_iter_to_previous_line (GtkTextLayout *layout,
+ GtkTextIter *iter);
+gboolean gtk_text_layout_move_iter_to_next_line (GtkTextLayout *layout,
+ GtkTextIter *iter);
+void gtk_text_layout_move_iter_to_x (GtkTextLayout *layout,
+ GtkTextIter *iter,
+ gint x);
+gboolean gtk_text_layout_move_iter_visually (GtkTextLayout *layout,
+ GtkTextIter *iter,
+ gint count);
+
+gboolean gtk_text_layout_iter_starts_line (GtkTextLayout *layout,
+ const GtkTextIter *iter);
+
+void gtk_text_layout_get_iter_at_line (GtkTextLayout *layout,
+ GtkTextIter *iter,
+ GtkTextLine *line,
+ gint byte_offset);
/* Don't use these. Use gtk_text_view_add_child_at_anchor().
* These functions are defined in gtktextchild.c, but here
void gtk_text_child_anchor_queue_resize (GtkTextChildAnchor *anchor,
GtkTextLayout *layout);
+void gtk_text_anchored_child_set_layout (GtkWidget *child,
+ GtkTextLayout *layout);
+
void gtk_text_layout_spew (GtkTextLayout *layout);
-#ifdef __cplusplus
-}
-#endif /* __cplusplus */
+G_END_DECLS
-#endif /* GTK_TEXT_LAYOUT_H */
+#endif /* __GTK_TEXT_LAYOUT_H__ */
projects / ~andy / gtk / blobdiff