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Changed GtkTreeView to bookkeep the deepest expanded depth instead of recalculating it at column allocation time.

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This commit is contained in:
Tristan Van Berkom 2010-12-01 16:20:22 +09:00
parent b54c004c6b
commit 779125976c
1 changed files with 32 additions and 18 deletions
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48
gtk/gtktreeview.c
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@ -381,6 +381,7 @@ struct _GtkTreeViewPrivate
GtkRBNode *expanded_collapsed_node;
GtkRBTree *expanded_collapsed_tree;
guint expand_collapse_timeout;
gint deepest_depth;
/* Auto expand/collapse timeout in hover mode */
guint auto_expand_timeout;
@ -1768,6 +1769,8 @@ gtk_tree_view_init (GtkTreeView *tree_view)
tree_view->priv->event_last_x = -10000;
tree_view->priv->event_last_y = -10000;
tree_view->priv->deepest_depth = 1;
gtk_tree_view_set_vadjustment (tree_view, NULL);
gtk_tree_view_set_hadjustment (tree_view, NULL);
}
@ -2558,17 +2561,6 @@ gtk_tree_view_column_is_edge (GtkTreeView *tree_view,
return (column == first_column || column == last_column);
}
static void
gtk_tree_view_deepest_expanded_depth (GtkTreeView *tree_view,
GtkTreePath *path,
gint *deepest)
{
gint children_depth = gtk_tree_path_get_depth (path) + 1;
if (children_depth > *deepest)
*deepest = children_depth;
}
/* Gets the space in a column that is not actually distributed to
* the internal cell area, i.e. total indentation expander size
* grid line widths and horizontal separators */
@ -2579,22 +2571,18 @@ gtk_tree_view_get_column_padding (GtkTreeView *tree_view,
gint padding;
gint grid_line_width;
gint horizontal_separator;
gint depth = 1;
/* Get the deepest depth */
gtk_tree_view_map_expanded_rows (tree_view,
(GtkTreeViewMappingFunc)gtk_tree_view_deepest_expanded_depth,
&depth);
gtk_widget_style_get (GTK_WIDGET (tree_view),
"horizontal-separator", &horizontal_separator,
"grid-line-width", &grid_line_width,
NULL);
padding = horizontal_separator + (depth - 1) * tree_view->priv->level_indentation;
padding = horizontal_separator + (tree_view->priv->deepest_depth - 1) * tree_view->priv->level_indentation;
if (TREE_VIEW_DRAW_EXPANDERS (tree_view))
padding += depth * tree_view->priv->expander_size;
padding += tree_view->priv->deepest_depth * tree_view->priv->expander_size;
if (tree_view->priv->grid_lines == GTK_TREE_VIEW_GRID_LINES_VERTICAL ||
tree_view->priv->grid_lines == GTK_TREE_VIEW_GRID_LINES_BOTH)
@ -12756,6 +12744,10 @@ gtk_tree_view_real_expand_row (GtkTreeView *tree_view,
gtk_tree_path_get_depth (path) + 1,
open_all);
/* Update the deepest expanded row depth */
if (tree_view->priv->deepest_depth < gtk_tree_path_get_depth (path) + 1)
tree_view->priv->deepest_depth = gtk_tree_path_get_depth (path) + 1;
remove_expand_collapse_timeout (tree_view);
if (animate)
@ -12810,6 +12802,17 @@ gtk_tree_view_expand_row (GtkTreeView *tree_view,
return FALSE;
}
static void
gtk_tree_view_deepest_expanded_depth (GtkTreeView *tree_view,
GtkTreePath *path,
gint *deepest)
{
gint children_depth = gtk_tree_path_get_depth (path) + 1;
if (children_depth > *deepest)
*deepest = children_depth;
}
static gboolean
gtk_tree_view_real_collapse_row (GtkTreeView *tree_view,
GtkTreePath *path,
@ -12962,6 +12965,17 @@ gtk_tree_view_real_collapse_row (GtkTreeView *tree_view,
}
}
/* If we're collapsing one of the deepest expanded rows,
* we need to recalculate the deepest_depth
*/
if (tree_view->priv->deepest_depth == gtk_tree_path_get_depth (path) + 1)
{
tree_view->priv->deepest_depth = 1;
gtk_tree_view_map_expanded_rows (tree_view,
(GtkTreeViewMappingFunc)gtk_tree_view_deepest_expanded_depth,
&tree_view->priv->deepest_depth);
}
return TRUE;
}