]> Pileus Git - ~andy/gtk/blobdiff - gtk/gtkcellareacontext.h
stylecontext: Do invalidation on first resize container
[~andy/gtk] / gtk / gtkcellareacontext.h
index 0782f7836489cfeb1d09a0203207ee48ba40af2a..c42aba7b8717a0831349be9479ca4a037a1d2d25 100644 (file)
  * Library General Public License for more details.
  *
  * You should have received a copy of the GNU Library General Public
- * License along with this library; if not, write to the
- * Free Software Foundation, Inc., 59 Temple Place - Suite 330,
- * Boston, MA 02111-1307, USA.
+ * License along with this library. If not, see <http://www.gnu.org/licenses/>.
  */
 
+#ifndef __GTK_CELL_AREA_CONTEXT_H__
+#define __GTK_CELL_AREA_CONTEXT_H__
+
 #if !defined (__GTK_H_INSIDE__) && !defined (GTK_COMPILATION)
 #error "Only <gtk/gtk.h> can be included directly."
 #endif
 
-#ifndef __GTK_CELL_AREA_CONTEXT_H__
-#define __GTK_CELL_AREA_CONTEXT_H__
-
 #include <gtk/gtkcellarea.h>
 
 G_BEGIN_DECLS
 
-#define GTK_TYPE_CELL_AREA_CONTEXT           (gtk_cell_area_context_get_type ())
-#define GTK_CELL_AREA_CONTEXT(obj)           (G_TYPE_CHECK_INSTANCE_CAST ((obj), GTK_TYPE_CELL_AREA_CONTEXT, GtkCellAreaContext))
+#define GTK_TYPE_CELL_AREA_CONTEXT            (gtk_cell_area_context_get_type ())
+#define GTK_CELL_AREA_CONTEXT(obj)            (G_TYPE_CHECK_INSTANCE_CAST ((obj), GTK_TYPE_CELL_AREA_CONTEXT, GtkCellAreaContext))
 #define GTK_CELL_AREA_CONTEXT_CLASS(klass)    (G_TYPE_CHECK_CLASS_CAST ((klass), GTK_TYPE_CELL_AREA_CONTEXT, GtkCellAreaContextClass))
-#define GTK_IS_CELL_AREA_CONTEXT(obj)        (G_TYPE_CHECK_INSTANCE_TYPE ((obj), GTK_TYPE_CELL_AREA_CONTEXT))
+#define GTK_IS_CELL_AREA_CONTEXT(obj)         (G_TYPE_CHECK_INSTANCE_TYPE ((obj), GTK_TYPE_CELL_AREA_CONTEXT))
 #define GTK_IS_CELL_AREA_CONTEXT_CLASS(klass) (G_TYPE_CHECK_CLASS_TYPE ((klass), GTK_TYPE_CELL_AREA_CONTEXT))
 #define GTK_CELL_AREA_CONTEXT_GET_CLASS(obj)  (G_TYPE_INSTANCE_GET_CLASS ((obj), GTK_TYPE_CELL_AREA_CONTEXT, GtkCellAreaContextClass))
 
@@ -44,80 +42,93 @@ typedef struct _GtkCellAreaContextClass         GtkCellAreaContextClass;
 
 struct _GtkCellAreaContext
 {
+  /*< private >*/
   GObject parent_instance;
 
   GtkCellAreaContextPrivate *priv;
 };
 
+/**
+ * GtkCellAreaContextClass:
+ * @allocate: This tells the context that an allocation width or height
+ *     (or both) have been decided for a group of rows. The context should
+ *     store any allocations for internally aligned cells at this point so
+ *     that they dont need to be recalculated at gtk_cell_area_render() time.
+ * @reset: Clear any previously stored information about requested and
+ *     allocated sizes for the context.
+ * @get_preferred_height_for_width: Returns the aligned height for the given
+ *     width that context must store while collecting sizes for it's rows.
+ * @get_preferred_width_for_height: Returns the aligned width for the given
+ *     height that context must store while collecting sizes for it's rows.
+ */
 struct _GtkCellAreaContextClass
 {
+  /*< private >*/
   GObjectClass parent_class;
 
-  /* Subclasses can use this to flush their alignments/allocations */
-  void    (* flush_preferred_width)              (GtkCellAreaContext *context);
-  void    (* flush_preferred_height)             (GtkCellAreaContext *context);
-  void    (* flush_allocation)                   (GtkCellAreaContext *context);
-
-  /* These must be invoked after a series of requests before consulting 
-   * the context values, implementors use this to push the overall
-   * requests while acconting for any internal alignments */
-  void    (* sum_preferred_width)                (GtkCellAreaContext *context);
-  void    (* sum_preferred_height)               (GtkCellAreaContext *context);
-
-  /* Store an allocation value for a GtkCellArea contextual to a range of
-   * treemodel rows */
-  void    (* allocate_width)                     (GtkCellAreaContext *context,
-                                                 gint                width);
-  void    (* allocate_height)                    (GtkCellAreaContext *context,
-                                                 gint                height);
-
+  /*< public >*/
+  void    (* allocate)                       (GtkCellAreaContext *context,
+                                              gint                width,
+                                              gint                height);
+  void    (* reset)                          (GtkCellAreaContext *context);
+  void    (* get_preferred_height_for_width) (GtkCellAreaContext *context,
+                                              gint                width,
+                                              gint               *minimum_height,
+                                              gint               *natural_height);
+  void    (* get_preferred_width_for_height) (GtkCellAreaContext *context,
+                                              gint                height,
+                                              gint               *minimum_width,
+                                              gint               *natural_width);
+
+  /*< private >*/
   /* Padding for future expansion */
   void (*_gtk_reserved1) (void);
   void (*_gtk_reserved2) (void);
   void (*_gtk_reserved3) (void);
   void (*_gtk_reserved4) (void);
+  void (*_gtk_reserved5) (void);
+  void (*_gtk_reserved6) (void);
 };
 
-GType        gtk_cell_area_context_get_type                         (void) G_GNUC_CONST;
-
-GtkCellArea *gtk_cell_area_context_get_area                         (GtkCellAreaContext *context);
-
-/* Apis for GtkCellArea clients to flush the cache */
-void         gtk_cell_area_context_flush                            (GtkCellAreaContext *context);
-void         gtk_cell_area_context_flush_preferred_width            (GtkCellAreaContext *context);
-void         gtk_cell_area_context_flush_preferred_height           (GtkCellAreaContext *context);
-void         gtk_cell_area_context_flush_allocation                 (GtkCellAreaContext *context);
-
-/* Apis for GtkCellArea clients to sum up the results of a series of requests, this
- * call is required to reduce the processing while calculating the size of each row */
-void         gtk_cell_area_context_sum_preferred_width              (GtkCellAreaContext *context);
-void         gtk_cell_area_context_sum_preferred_height             (GtkCellAreaContext *context);
-
-/* Apis to set an allocation size in one dimension or another, the subclass specific context
- * will store allocated positions/sizes for individual cells or groups of cells */
-void         gtk_cell_area_context_allocate_width                   (GtkCellAreaContext *context,
-                                                                    gint                width);
-void         gtk_cell_area_context_allocate_height                  (GtkCellAreaContext *context,
-                                                                    gint                height);
-
-/* Apis for GtkCellArea clients to consult cached values for multiple GtkTreeModel rows */
-void         gtk_cell_area_context_get_preferred_width              (GtkCellAreaContext *context,
-                                                                    gint               *minimum_width,
-                                                                    gint               *natural_width);
-void         gtk_cell_area_context_get_preferred_height             (GtkCellAreaContext *context,
-                                                                    gint               *minimum_height,
-                                                                    gint               *natural_height);
-void         gtk_cell_area_context_get_allocation                   (GtkCellAreaContext *context,
-                                                                    gint               *width,
-                                                                    gint               *height);
-
-/* Apis for GtkCellArea implementations to update cached values for multiple GtkTreeModel rows */
-void         gtk_cell_area_context_push_preferred_width             (GtkCellAreaContext *context,
-                                                                    gint                minimum_width,
-                                                                    gint                natural_width);
-void         gtk_cell_area_context_push_preferred_height            (GtkCellAreaContext *context,
-                                                                    gint                minimum_height,
-                                                                    gint                natural_height);
+GType        gtk_cell_area_context_get_type              (void) G_GNUC_CONST;
+
+/* Main apis */
+GtkCellArea *gtk_cell_area_context_get_area                        (GtkCellAreaContext *context);
+void         gtk_cell_area_context_allocate                        (GtkCellAreaContext *context,
+                                                                    gint                width,
+                                                                    gint                height);
+void         gtk_cell_area_context_reset                           (GtkCellAreaContext *context);
+
+/* Apis for GtkCellArea clients to consult cached values
+ * for a series of GtkTreeModel rows
+ */
+void         gtk_cell_area_context_get_preferred_width            (GtkCellAreaContext *context,
+                                                                   gint               *minimum_width,
+                                                                   gint               *natural_width);
+void         gtk_cell_area_context_get_preferred_height           (GtkCellAreaContext *context,
+                                                                   gint               *minimum_height,
+                                                                   gint               *natural_height);
+void         gtk_cell_area_context_get_preferred_height_for_width (GtkCellAreaContext *context,
+                                                                   gint                width,
+                                                                   gint               *minimum_height,
+                                                                   gint               *natural_height);
+void         gtk_cell_area_context_get_preferred_width_for_height (GtkCellAreaContext *context,
+                                                                   gint                height,
+                                                                   gint               *minimum_width,
+                                                                   gint               *natural_width);
+void         gtk_cell_area_context_get_allocation                 (GtkCellAreaContext *context,
+                                                                   gint               *width,
+                                                                   gint               *height);
+
+/* Apis for GtkCellArea implementations to update cached values
+ * for multiple GtkTreeModel rows
+ */
+void         gtk_cell_area_context_push_preferred_width  (GtkCellAreaContext *context,
+                                                          gint                minimum_width,
+                                                          gint                natural_width);
+void         gtk_cell_area_context_push_preferred_height (GtkCellAreaContext *context,
+                                                          gint                minimum_height,
+                                                          gint                natural_height);
 
 G_END_DECLS