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a11y: Only emit expandable/expanded for expander column

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We don't want to emit state changes for all the cells in a row, just for
the cell in the expander column. It's the only one that reports EXPANDED
or EXPANDABLE states, after all.

Also, contains refactoring of the affected functions for all the special
cases.

https://bugzilla.gnome.org/show_bug.cgi?id=694059
This commit is contained in:
Benjamin Otte 2013-02-20 02:42:50 +01:00
parent 73cee58d23
commit 76670734f4
1 changed files with 52 additions and 43 deletions
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95
gtk/a11y/gtktreeviewaccessible.c
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@ -1896,6 +1896,7 @@ _gtk_tree_view_accessible_add_state (GtkTreeView *treeview,
GtkCellRendererState state)
{
GtkTreeViewAccessible *accessible;
GtkTreeViewColumn *single_column;
AtkObject *obj;
guint i;
@ -1907,36 +1908,38 @@ _gtk_tree_view_accessible_add_state (GtkTreeView *treeview,
if (state == GTK_CELL_RENDERER_FOCUSED)
{
GtkTreeViewColumn *focus_column;
focus_column = get_effective_focus_column (treeview, _gtk_tree_view_get_focus_column (treeview));
if (focus_column)
{
GtkCellAccessible *cell;
cell = peek_cell (accessible, tree, node, focus_column);
if (cell != NULL)
_gtk_cell_accessible_state_changed (cell, 0, state);
else
cell = create_cell (treeview, accessible, tree, node, focus_column);
g_signal_emit_by_name (accessible, "active-descendant-changed", cell);
}
return;
single_column = get_effective_focus_column (treeview, _gtk_tree_view_get_focus_column (treeview));
}
else if (state == GTK_CELL_RENDERER_EXPANDED ||
state == GTK_CELL_RENDERER_EXPANDABLE)
{
single_column = gtk_tree_view_get_expander_column (treeview);
}
else
single_column = NULL;
for (i = 0; i < gtk_tree_view_get_n_columns (treeview); i++)
if (single_column)
{
GtkCellAccessible *cell = peek_cell (accessible,
tree, node,
gtk_tree_view_get_column (treeview, i));
single_column);
if (cell == NULL)
continue;
if (cell != NULL)
_gtk_cell_accessible_state_changed (cell, state, 0);
}
else
{
for (i = 0; i < gtk_tree_view_get_n_columns (treeview); i++)
{
GtkCellAccessible *cell = peek_cell (accessible,
tree, node,
gtk_tree_view_get_column (treeview, i));
_gtk_cell_accessible_state_changed (cell, state, 0);
if (cell == NULL)
continue;
_gtk_cell_accessible_state_changed (cell, state, 0);
}
}
if (state == GTK_CELL_RENDERER_SELECTED)
@ -1950,6 +1953,7 @@ _gtk_tree_view_accessible_remove_state (GtkTreeView *treeview,
GtkCellRendererState state)
{
GtkTreeViewAccessible *accessible;
GtkTreeViewColumn *single_column;
AtkObject *obj;
guint i;
@ -1961,33 +1965,38 @@ _gtk_tree_view_accessible_remove_state (GtkTreeView *treeview,
if (state == GTK_CELL_RENDERER_FOCUSED)
{
GtkTreeViewColumn *focus_column;
focus_column = get_effective_focus_column (treeview, _gtk_tree_view_get_focus_column (treeview));
if (focus_column)
{
GtkCellAccessible *cell = peek_cell (accessible,
tree, node,
focus_column);
if (cell != NULL)
_gtk_cell_accessible_state_changed (cell, 0, state);
}
return;
single_column = get_effective_focus_column (treeview, _gtk_tree_view_get_focus_column (treeview));
}
else if (state == GTK_CELL_RENDERER_EXPANDED ||
state == GTK_CELL_RENDERER_EXPANDABLE)
{
single_column = gtk_tree_view_get_expander_column (treeview);
}
else
single_column = NULL;
for (i = 0; i < gtk_tree_view_get_n_columns (treeview); i++)
if (single_column)
{
GtkCellAccessible *cell = peek_cell (accessible,
tree, node,
gtk_tree_view_get_column (treeview, i));
single_column);
if (cell == NULL)
continue;
if (cell != NULL)
_gtk_cell_accessible_state_changed (cell, 0, state);
}
else
{
for (i = 0; i < gtk_tree_view_get_n_columns (treeview); i++)
{
GtkCellAccessible *cell = peek_cell (accessible,
tree, node,
gtk_tree_view_get_column (treeview, i));
_gtk_cell_accessible_state_changed (cell, 0, state);
if (cell == NULL)
continue;
_gtk_cell_accessible_state_changed (cell, 0, state);
}
}
if (state == GTK_CELL_RENDERER_SELECTED)