Add support for animating expanders.

[~andy/gtk] / ChangeLog

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@@ -1,3 +1,57 @@
+2001-07-22  Anders Carlsson  <andersca@gnome.org>
+
+       * gtk/gtktreeview.c (gtk_tree_view_class_init): Replace the
+       expander_height and expander_width properties with a single
+       property, expander_size.
+       (gtk_tree_view_init): Set the tab_offset to expander_size
+       plus some padding.
+       (gtk_tree_view_unrealize): Remove the expand/collapse
+       timeout if it exists.
+       (coords_are_over_arrow): Fix a small bug.
+       (gtk_tree_view_motion_draw_column_motion_arrow): Use
+       expander_size.
+       (gtk_tree_view_draw_focus): Use "treeview" instead of
+       "add-mode" as detail when drawing the focus.
+       (gtk_tree_view_bin_expose): Use "treeview-drop-indicator"
+       instead of "add-mode" as detail when drawing the focus.
+       (gtk_tree_view_deleted): If we have a node currently being
+       expanded or collapsed, remove the timeout and set the node 
+       to NULL.
+       (gtk_tree_view_queue_draw_arrow): New function that just
+       redraws the arrow of a node.
+       (gtk_tree_view_draw_arrow): Use expander_size instead of
+       expander_width/expander_height, also pass a different
+       expander_style to gtk_paint_expander depending on the 
+       state of the node being drawn.
+       (expand_collapse_timeout): New function for expanding 
+       or collapsing a node depending on the previous state.
+       (gtk_tree_view_real_expand_row): Add timeout and set 
+       correct state for node being expanded.
+       (gtk_tree_view_real_collapse_row): Add timeout and set
+       correct state for node being collapsed.
+
+       * gtk/gtktreeprivate.h (struct _GtkTreeViewPrivate): Add
+       information about the node currently being expanded or
+       collapsed, and also a timeout id.
+
+       * gtk/gtkstyle.h (struct _GtkStyleClass): Replace is_open
+       with expander_style for draw_expander.
+
+       * gtk/gtkstyle.c (gtk_draw_expander): Replace is_open with
+       expander_style.
+       (create_expander_affine): New function for creating an 
+       expander affine.
+       (apply_affine_on_point): New function for applying an 
+       affine to a point.
+       (gtk_default_draw_expander): Modified to take expander_style
+       instead of is_open, and to draw the rectangle rotated differently
+       depending on the expander style.
+       (gtk_paint_expander): Replace is_open with expander_style.
+
+       * gtk/gtkrbtree.h: Add expander states to GtkRBNodeColor.
+
+       * gtk/gtkenums.h: Add expander style enum.
+
 2001-07-21  Jonas Borgström  <jonas@codefactory.se>
 
        * gtk/gtktreemodel.c (gtk_tree_model_foreach): Check the return