From 3e2e35b2a2fda14262d3fb50b0442441e0fcada0 Mon Sep 17 00:00:00 2001 From: Tim Wo Date: Tue, 2 Dec 2003 06:14:34 +0000 Subject: use table item to get the model. (gal_a11y_e_cell_toggle_new): use table 2003-12-02 Tim Wo * gal/a11y/e-table/gal-a11y-e-cell-toggle.c: (gal_a11y_e_cell_toggle_dispose): use table item to get the model. (gal_a11y_e_cell_toggle_new): use table item to get the model. * gal/a11y/e-table/gal-a11y-e-cell-tree.c: (ectr_model_row_changed_cb): new function to deal with tree cell expansion and collapse (ectr_subcell_weak_ref): destroy the cell_tree a11y instance along with it's subcell's a11y instance. (gal_a11y_e_cell_tree_new): init the atk state of the tree cell, and connect to the model_row_change signal of table model, so that when the tree cell expands or collapses, the corresponding AtkState could be set. * gal/a11y/e-table/gal-a11y-e-cell-tree.h: add one member to save the connected signal id. svn path=/trunk/; revision=23567 --- a11y/e-table/gal-a11y-e-cell-tree.c | 127 ++++++++++++++++++++++++++---------- 1 file changed, 91 insertions(+), 36 deletions(-) (limited to 'a11y/e-table/gal-a11y-e-cell-tree.c') diff --git a/a11y/e-table/gal-a11y-e-cell-tree.c b/a11y/e-table/gal-a11y-e-cell-tree.c index 3f7071d72b..e6ff75667b 100644 --- a/a11y/e-table/gal-a11y-e-cell-tree.c +++ b/a11y/e-table/gal-a11y-e-cell-tree.c @@ -7,7 +7,7 @@ */ #include -#include +#include #include "gal-a11y-e-cell-tree.h" #include "gal-a11y-util.h" #include "gal/e-table/e-cell-tree.h" @@ -18,6 +18,41 @@ static AtkObjectClass *a11y_parent_class; #define A11Y_PARENT_TYPE (gal_a11y_e_cell_get_type ()) +static void +ectr_model_row_changed_cb (ETableModel *etm, + gint row, + GalA11yECell *a11y) +{ + ETreePath node; + ETreeModel *tree_model; + ETreeTableAdapter *tree_table_adapter; + + g_return_if_fail (a11y); + if (a11y->row != row) + return; + + node = e_table_model_value_at (etm, -1, a11y->row); + tree_model = e_table_model_value_at (etm, -2, a11y->row); + tree_table_adapter = e_table_model_value_at (etm, -3, a11y->row); + + if (e_tree_model_node_is_expandable (tree_model, node)) { + gboolean is_exp = e_tree_table_adapter_node_is_expanded (tree_table_adapter, node); + if (is_exp) + gal_a11y_e_cell_add_state (a11y, ATK_STATE_EXPANDED, TRUE); + else + gal_a11y_e_cell_remove_state (a11y, ATK_STATE_EXPANDED, TRUE); + } +} + +static void +ectr_subcell_weak_ref (GalA11yECellTree *a11y, + GalA11yECell *subcell_a11y) +{ + g_signal_handler_disconnect (GAL_A11Y_E_CELL (a11y)->item->table_model, + a11y->model_row_changed_id); + g_object_unref (a11y); +} + static void ectr_do_action_expand (AtkAction *action) { @@ -109,46 +144,66 @@ gal_a11y_e_cell_tree_new (ETableItem *item, int view_col, int row) { - GalA11yECell *a11y; + AtkObject *subcell_a11y; + GalA11yECellTree *a11y; GtkWidget *e_table; - gint model_row; + ETreePath node; + ETreeModel *tree_model; + ETreeTableAdapter *tree_table_adapter; + ECellView *subcell_view; subcell_view = e_cell_tree_view_get_subcell_view (cell_view); if (subcell_view->ecell) { - a11y = gal_a11y_e_cell_registry_get_object (NULL, - item, - subcell_view, - parent, - model_col, - view_col, - row); - } else { - a11y = g_object_new (gal_a11y_e_cell_tree_get_type (), NULL); - - gal_a11y_e_cell_construct (a11y, - item, - cell_view, - parent, - model_col, - view_col, - row); + subcell_a11y = gal_a11y_e_cell_registry_get_object (NULL, + item, + subcell_view, + parent, + model_col, + view_col, + row); + gal_a11y_e_cell_add_action (subcell_a11y, + "expand", + "expands the row in the ETree containing this cell", + NULL, + (ACTION_FUNC)ectr_do_action_expand); + + gal_a11y_e_cell_add_action (subcell_a11y, + "collapse", + "collapses the row in the ETree containing this cell", + NULL, + (ACTION_FUNC)ectr_do_action_collapse); + + /* init AtkStates for the cell's a11y object */ + node = e_table_model_value_at (item->table_model, -1, row); + tree_model = e_table_model_value_at (item->table_model, -2, row); + tree_table_adapter = e_table_model_value_at (item->table_model, -3, row); + if (e_tree_model_node_is_expandable (tree_model, node)) { + gal_a11y_e_cell_add_state (subcell_a11y, ATK_STATE_EXPANDABLE, FALSE); + if (e_tree_table_adapter_node_is_expanded (tree_table_adapter, node)) + gal_a11y_e_cell_add_state (subcell_a11y, ATK_STATE_EXPANDED, FALSE); + } } - - gal_a11y_e_cell_add_action (a11y, - "expand", - "expands the row in the ETree containing this cell", - NULL, - (ACTION_FUNC)ectr_do_action_expand); - - gal_a11y_e_cell_add_action (a11y, - "collapse", - "collapses the row in the ETree containing this cell", - NULL, - (ACTION_FUNC)ectr_do_action_collapse); - - gal_a11y_e_cell_add_state (a11y, ATK_STATE_EXPANDABLE, FALSE); - - return a11y; + else + subcell_a11y = NULL; + + /* create a companion a11y object, this object has type GalA11yECellTree + and it connects to some signals to determine whether a tree cell is + expanded or collapsed */ + a11y = g_object_new (gal_a11y_e_cell_tree_get_type (), NULL); + gal_a11y_e_cell_construct (a11y, + item, + cell_view, + parent, + model_col, + view_col, + row); + a11y->model_row_changed_id = + g_signal_connect (item->table_model, "model_row_changed", + G_CALLBACK (ectr_model_row_changed_cb), + subcell_a11y); + g_object_weak_ref (subcell_a11y, ectr_subcell_weak_ref, a11y); + + return subcell_a11y; } -- cgit v1.2.3