]> Pileus Git - ~andy/gtk/blobdiff - gtk/gtktextlayout.h
filechooserbutton: Update the button/combo whenever the selection is changed programm...
[~andy/gtk] / gtk / gtktextlayout.h
index 4e0ed1f2288811862334d4af52061790be6d860a..819aaf23692e196e8e1da55a8d872cd289f2ca09 100644 (file)
@@ -23,8 +23,7 @@
  * 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,
@@ -89,9 +84,13 @@ extern "C" {
  * 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
@@ -109,7 +108,6 @@ typedef struct _GtkTextLineData GtkTextLineData;
 typedef struct _GtkTextLayout         GtkTextLayout;
 typedef struct _GtkTextLayoutClass    GtkTextLayoutClass;
 typedef struct _GtkTextLineDisplay    GtkTextLineDisplay;
-typedef struct _GtkTextCursorDisplay  GtkTextCursorDisplay;
 typedef struct _GtkTextAttrAppearance GtkTextAttrAppearance;
 
 struct _GtkTextLayout
@@ -157,12 +155,24 @@ struct _GtkTextLayout
   /* 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
@@ -197,6 +207,15 @@ struct _GtkTextLayoutClass
                                  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
@@ -204,20 +223,12 @@ 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 */
@@ -233,23 +244,42 @@ struct _GtkTextLineDisplay
   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;
+#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);
-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);
+
+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,
@@ -294,9 +324,17 @@ void gtk_text_layout_get_iter_at_pixel (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);
@@ -304,8 +342,8 @@ void gtk_text_layout_free_line_data    (GtkTextLayout     *layout,
 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);
 
@@ -323,6 +361,10 @@ void     gtk_text_layout_changed              (GtkTextLayout     *layout,
                                                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);
@@ -330,10 +372,16 @@ void     gtk_text_layout_get_line_yrange      (GtkTextLayout     *layout,
                                                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,
@@ -380,8 +428,6 @@ void gtk_text_anchored_child_set_layout     (GtkWidget          *child,
 
 void gtk_text_layout_spew (GtkTextLayout *layout);
 
-#ifdef __cplusplus
-}
-#endif /* __cplusplus */
+G_END_DECLS
 
-#endif  /* GTK_TEXT_LAYOUT_H */
+#endif  /* __GTK_TEXT_LAYOUT_H__ */