• Anders Carlsson's avatar
    Add support for animating expanders. · f4ca3290
    Anders Carlsson authored
    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.
    f4ca3290
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