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Diffstat (limited to 'widgets/table/e-tree-selection-model.c')
| -rw-r--r-- | widgets/table/e-tree-selection-model.c | 1385 |
1 files changed, 0 insertions, 1385 deletions
diff --git a/widgets/table/e-tree-selection-model.c b/widgets/table/e-tree-selection-model.c deleted file mode 100644 index 04e74c0f96..0000000000 --- a/widgets/table/e-tree-selection-model.c +++ /dev/null @@ -1,1385 +0,0 @@ -/* -*- Mode: C; tab-width: 8; indent-tabs-mode: t; c-basic-offset: 8 -*- */ -/* - * e-tree-selection-model.c - * Copyright 2000, 2001, Ximian, Inc. - * - * Authors: - * Chris Lahey <clahey@ximian.com> - * - * This library is free software; you can redistribute it and/or - * modify it under the terms of the GNU Library General Public - * License, version 2, as published by the Free Software Foundation. - * - * This library is distributed in the hope that it will be useful, but - * WITHOUT ANY WARRANTY; without even the implied warranty of - * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU - * Library General Public License for more details. - * - * You should have received a copy of the GNU Library General Public - * License along with this library; if not, write to the Free Software - * Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA - * 02111-1307, USA. - */ - -#include <config.h> -#include <gdk/gdkkeysyms.h> -#include <gtk/gtksignal.h> -#include "e-tree-selection-model.h" -#include <gal/util/e-bit-array.h> -#include <gal/util/e-sorter.h> -#include <gal/util/e-util.h> -#include <gdk/gdkkeysyms.h> -#include <gal/e-table/e-tree-sorted.h> -#include <gal/e-table/e-tree-table-adapter.h> - -#define ETSM_CLASS(e) ((ETreeSelectionModelClass *)((GtkObject *)e)->klass) - -#define PARENT_TYPE e_selection_model_get_type () - -static ESelectionModelClass *parent_class; - -enum { - ARG_0, - ARG_CURSOR_ROW, - ARG_CURSOR_COL, - ARG_MODEL, - ARG_ETTA, - ARG_ETS, -}; - -typedef struct ETreeSelectionModelNode { - guint selected : 1; - guint all_children_selected : 1; - guint any_children_selected : 1; - EBitArray *all_children_selected_array; - EBitArray *any_children_selected_array; - struct ETreeSelectionModelNode **children; - int num_children; -} ETreeSelectionModelNode; - -struct ETreeSelectionModelPriv { - ETreeTableAdapter *etta; - ETreeSorted *ets; - ETreeModel *model; - - ETreeSelectionModelNode *root; - - ETreePath cursor_path; - gint cursor_col; - ETreePath selection_start_path; - - char *cursor_save_id; - - int frozen_count; - - int tree_model_pre_change_id; - int tree_model_no_change_id; - int tree_model_node_changed_id; - int tree_model_node_data_changed_id; - int tree_model_node_col_changed_id; - int tree_model_node_inserted_id; - int tree_model_node_removed_id; - int tree_model_node_deleted_id; - - int sorted_model_node_resorted_id; - - /* Anything other than -1 means that the selection is a single - * row. This being -1 does not impart any information. */ - int selected_row; - /* Anything other than -1 means that the selection is a all - * rows between selection_start_path and cursor_path where - * selected_range_end is the rwo number of cursor_path. This - * being -1 does not impart any information. */ - int selected_range_end; -}; - -/* ETreeSelectionModelNode helpers */ - -static ETreeSelectionModelNode * -e_tree_selection_model_node_new (void) -{ - ETreeSelectionModelNode *node = g_new(ETreeSelectionModelNode, 1); - - node->selected = 0; - node->all_children_selected = 0; - node->any_children_selected = 0; - node->all_children_selected_array = NULL; - node->any_children_selected_array = NULL; - node->children = NULL; - node->num_children = -1; - - return node; -} - -static void -e_tree_selection_model_node_fill_children(ETreeSelectionModel *etsm, ETreePath path, ETreeSelectionModelNode *selection_node) -{ - int i; - selection_node->num_children = e_tree_sorted_node_num_children(etsm->priv->ets, path); - selection_node->children = g_new(ETreeSelectionModelNode *, selection_node->num_children); - for (i = 0; i < selection_node->num_children; i++) { - selection_node->children[i] = NULL; - } -} - -static void -e_tree_selection_model_node_free(ETreeSelectionModelNode *node) -{ - int i; - - if (node->all_children_selected_array) - gtk_object_unref(GTK_OBJECT(node->all_children_selected_array)); - if (node->any_children_selected_array) - gtk_object_unref(GTK_OBJECT(node->any_children_selected_array)); - - for (i = 0; i < node->num_children; i++) - if (node->children[i]) - e_tree_selection_model_node_free(node->children[i]); - g_free(node->children); - - g_free(node); -} - - -/* Other helper functions */ -static ETreePath -etsm_node_at_row(ETreeSelectionModel *etsm, int row) -{ - ETreePath path; - - if (!(row >= 0 && row < e_table_model_row_count(E_TABLE_MODEL(etsm->priv->etta)))) - return NULL; - - path = e_tree_table_adapter_node_at_row(etsm->priv->etta, row); - - if (path) - path = e_tree_sorted_view_to_model_path(etsm->priv->ets, path); - - return path; -} - -static int -etsm_row_of_node(ETreeSelectionModel *etsm, ETreePath path) -{ - path = e_tree_sorted_model_to_view_path(etsm->priv->ets, path); - - if (path) - return e_tree_table_adapter_row_of_node(etsm->priv->etta, path); - else - return -1; -} - -static int -etsm_cursor_row_real (ETreeSelectionModel *etsm) -{ - if (etsm->priv->cursor_path) - return etsm_row_of_node(etsm, etsm->priv->cursor_path); - else - return -1; -} - -static void -etsm_real_clear (ETreeSelectionModel *etsm) -{ - if (etsm->priv->root) { - e_tree_selection_model_node_free(etsm->priv->root); - etsm->priv->root = NULL; - } -} - -static ETreeSelectionModelNode * -etsm_find_node_unless_equals (ETreeSelectionModel *etsm, - ETreePath path, - gboolean grow) -{ - ETreeSelectionModelNode *selection_node; - ETreeSorted *ets = etsm->priv->ets; - ETreePath parent; - - parent = e_tree_model_node_get_parent(E_TREE_MODEL(ets), path); - - if (parent) { - selection_node = etsm_find_node_unless_equals(etsm, parent, grow); - if (selection_node) { - int position = e_tree_sorted_orig_position(ets, path); - if (selection_node->all_children_selected && grow) - return NULL; - if (!(selection_node->any_children_selected || grow)) - return NULL; - if (selection_node->all_children_selected_array && e_bit_array_value_at(selection_node->all_children_selected_array, position) && grow) - return NULL; - if (selection_node->any_children_selected_array && ! (e_bit_array_value_at(selection_node->any_children_selected_array, position) || grow)) - return NULL; - if (selection_node->children == NULL) { - e_tree_selection_model_node_fill_children(etsm, parent, selection_node); - } - if (!selection_node->children[position]) - selection_node->children[position] = e_tree_selection_model_node_new(); - - return selection_node->children[position]; - } else - return NULL; - } else { - if (!etsm->priv->root) - etsm->priv->root = e_tree_selection_model_node_new(); - return etsm->priv->root; - } -} - -#if 0 -static ETreeSelectionModelNode * -find_or_create_node (ETreeSelectionModel *etsm, - ETreePath path) -{ - ETreeSelectionModelNode *selection_node; - ETreeSelectionModelNode **place = NULL; - ETreeSorted *ets = etsm->priv->ets; - ETreePath parent; - - parent = e_tree_model_node_get_parent(E_TREE_MODEL(ets), path); - - if (parent) { - selection_node = find_or_create_node(etsm, parent); - if (selection_node) { - int position = e_tree_sorted_orig_position(ets, path); - if (!selection_node->children) { - e_tree_selection_model_node_fill_children(etsm, parent, selection_node); - } - if (!selection_node->children[position]) - slection_node->children[position] = e_tree_selection_model_node_new(); - - return selection_node->children[position]; - } else - return NULL; - } else { - if (!etsm->priv->root) - etsm->priv->root = e_tree_selection_model_node_new(); - return etsm->priv->root; - } -} -#endif - -static void -update_parents (ETreeSelectionModel *etsm, ETreePath path) -{ - int i; - int depth; - ETreeSorted *ets = etsm->priv->ets; - int *orig_position_sequence; - ETreeSelectionModelNode **node_sequence; - ETreePath parents; - - if (!etsm->priv->root) - return; - - depth = e_tree_model_node_depth (E_TREE_MODEL(ets), path); - - orig_position_sequence = g_new(int, depth + 1); - node_sequence = g_new(ETreeSelectionModelNode *, depth + 1); - - parents = path; - - for (i = depth; i > 0; i--) { - if (!parents) { - g_free(orig_position_sequence); - g_free(node_sequence); - return; - } - orig_position_sequence[i] = e_tree_sorted_orig_position(etsm->priv->ets, parents); - parents = e_tree_model_node_get_parent(E_TREE_MODEL(etsm->priv->ets), parents); - } - - node_sequence[0] = etsm->priv->root; - for (i = 0; i < depth; i++) { - node_sequence[i + 1] = NULL; - - if (node_sequence[i]->children) - node_sequence[i + 1] = node_sequence[i]->children[orig_position_sequence[i + 1]]; - - if (node_sequence[i + 1] == NULL) { - g_free(orig_position_sequence); - g_free(node_sequence); - return; - } - } - - if (node_sequence[depth]->num_children == -1) - e_tree_selection_model_node_fill_children(etsm, path, node_sequence[depth]); - - if (!node_sequence[depth]->all_children_selected_array) - node_sequence[depth]->all_children_selected_array = e_bit_array_new(node_sequence[depth]->num_children); - if (!node_sequence[depth]->any_children_selected_array) - node_sequence[depth]->any_children_selected_array = e_bit_array_new(node_sequence[depth]->num_children); - - node_sequence[depth]->all_children_selected = - e_bit_array_cross_and(node_sequence[depth]->all_children_selected_array) && - node_sequence[depth]->selected; - - node_sequence[depth]->any_children_selected = - e_bit_array_cross_or(node_sequence[depth]->any_children_selected_array) || - node_sequence[depth]->selected; - - for (i = depth - 1; i >= 0; i--) { - gboolean all_children, any_children; - - if (!node_sequence[i]->all_children_selected_array) - node_sequence[i]->all_children_selected_array = e_bit_array_new(node_sequence[i]->num_children); - if (!node_sequence[i]->any_children_selected_array) - node_sequence[i]->any_children_selected_array = e_bit_array_new(node_sequence[i]->num_children); - - e_bit_array_change_one_row(node_sequence[i]->all_children_selected_array, - orig_position_sequence[i + 1], node_sequence[i + 1]->all_children_selected); - e_bit_array_change_one_row(node_sequence[i]->any_children_selected_array, - orig_position_sequence[i + 1], node_sequence[i + 1]->any_children_selected); - - all_children = node_sequence[i]->all_children_selected; - any_children = node_sequence[i]->any_children_selected; - - node_sequence[i]->all_children_selected = - e_bit_array_cross_and(node_sequence[i]->all_children_selected_array) && - node_sequence[i]->selected; - node_sequence[i]->any_children_selected = - e_bit_array_cross_or(node_sequence[i]->any_children_selected_array) || - node_sequence[i]->selected; - - if (all_children == node_sequence[i]->all_children_selected && - any_children == node_sequence[i]->any_children_selected) - break; - } - - g_free(orig_position_sequence); - g_free(node_sequence); -} - - -static void -etsm_change_one_path(ETreeSelectionModel *etsm, ETreePath path, gboolean grow) -{ - ETreeSelectionModelNode *node; - - if (!path) - return; - - path = e_tree_sorted_model_to_view_path(etsm->priv->ets, path); - - if (!path) - return; - - node = etsm_find_node_unless_equals (etsm, path, grow); - - if (node) { - node->selected = grow; - update_parents(etsm, path); - } -} - -static void -etsm_real_select_single_path (ETreeSelectionModel *etsm, ETreePath path) -{ - etsm_real_clear (etsm); - etsm_change_one_path(etsm, path, TRUE); - etsm->priv->selection_start_path = path; - etsm->priv->selected_row = -1; - etsm->priv->selected_range_end = -1; -} - - -/* Signal handlers */ - -static void -etsm_freeze (ETreeSelectionModel *etsm) -{ - etsm->priv->frozen_count ++; -} - -static void -etsm_unfreeze (ETreeSelectionModel *etsm) -{ - etsm->priv->frozen_count --; -} - -static void -etsm_pre_change (ETreeModel *etm, ETreeSelectionModel *etsm) -{ - g_free (etsm->priv->cursor_save_id); - etsm->priv->cursor_save_id = NULL; - - if (e_tree_model_has_get_node_by_id (etm) && - e_tree_model_has_save_id (etm) && - etsm->priv->cursor_path) { - etsm->priv->cursor_save_id = e_tree_model_get_save_id (etm, etsm->priv->cursor_path); - } - - etsm_freeze (etsm); -} - -static void -etsm_no_change (ETreeModel *etm, ETreeSelectionModel *etsm) -{ - etsm_unfreeze (etsm); -} - -static void -clear_tree (ETreeSelectionModel *etsm, ETreeModel *etm) -{ - int cursor_row; - - etsm_real_clear (etsm); - etsm->priv->cursor_path = NULL; - - if (e_tree_model_has_get_node_by_id (etm) && etsm->priv->cursor_save_id) { - ETreePath cursor_path; - - cursor_path = e_tree_model_get_node_by_id (etm, etsm->priv->cursor_save_id); - etsm->priv->cursor_path = cursor_path; - if (cursor_path != NULL && etsm->priv->cursor_col == -1) - etsm->priv->cursor_col = 0; - - etsm_real_select_single_path(etsm, cursor_path); - } - - cursor_row = etsm_cursor_row_real (etsm); - etsm->priv->selected_row = -1; - etsm->priv->selected_range_end = -1; - e_selection_model_selection_changed(E_SELECTION_MODEL(etsm)); - if (cursor_row != -1) - e_selection_model_cursor_changed(E_SELECTION_MODEL(etsm), cursor_row, etsm->priv->cursor_col); - else { - e_selection_model_cursor_changed(E_SELECTION_MODEL(etsm), -1, -1); - e_selection_model_cursor_activated(E_SELECTION_MODEL(etsm), -1, -1); - } - - g_free (etsm->priv->cursor_save_id); - etsm->priv->cursor_save_id = NULL; -} - -static void -etsm_node_changed (ETreeModel *etm, ETreePath node, ETreeSelectionModel *etsm) -{ - clear_tree (etsm, etm); - etsm_unfreeze (etsm); -} - -static void -etsm_node_data_changed (ETreeModel *etm, ETreePath node, ETreeSelectionModel *etsm) -{ - g_free (etsm->priv->cursor_save_id); - etsm->priv->cursor_save_id = NULL; - etsm_unfreeze (etsm); -} - -static void -etsm_node_col_changed (ETreeModel *etm, ETreePath node, int col, ETreeSelectionModel *etsm) -{ - g_free (etsm->priv->cursor_save_id); - etsm->priv->cursor_save_id = NULL; - etsm_unfreeze (etsm); -} - -static void -etsm_node_inserted (ETreeModel *etm, ETreePath parent, ETreePath child, ETreeSelectionModel *etsm) -{ - clear_tree (etsm, etm); - etsm_unfreeze (etsm); -#if 0 - ETreeSelectionModelNode *node; - ETreePath path; - - path = e_tree_sorted_model_to_view_path(etsm->priv->ets, parent); - - if (!path) - return; - - node = etsm_find_node_unless_equals (etsm, path, FALSE); - - if (node) { - node->selected = FALSE; - update_parents(etsm, path); - } -#endif -} - -static void -etsm_node_removed (ETreeModel *etm, ETreePath parent, ETreePath child, int old_position, ETreeSelectionModel *etsm) -{ -} - -static void -etsm_node_deleted (ETreeModel *etm, ETreePath child, ETreeSelectionModel *etsm) -{ - clear_tree (etsm, etm); - etsm_unfreeze (etsm); -} - - -static void -etsm_sorted_node_resorted (ETreeModel *etm, ETreePath node, ETreeSelectionModel *etsm) -{ - int cursor_row = etsm_cursor_row_real (etsm); - - etsm->priv->selected_row = -1; - etsm->priv->selected_range_end = -1; - e_selection_model_selection_changed(E_SELECTION_MODEL(etsm)); - - if (cursor_row != -1) - e_selection_model_cursor_changed(E_SELECTION_MODEL(etsm), cursor_row, etsm->priv->cursor_col); - else - e_selection_model_cursor_changed(E_SELECTION_MODEL(etsm), -1, -1); -} - -static void -add_model(ETreeSelectionModel *etsm, ETreeModel *model) -{ - ETreeSelectionModelPriv *priv = etsm->priv; - - priv->model = model; - - if (!priv->model) - return; - - gtk_object_ref(GTK_OBJECT(priv->model)); - priv->tree_model_pre_change_id = gtk_signal_connect_after (GTK_OBJECT (priv->model), "pre_change", - GTK_SIGNAL_FUNC (etsm_pre_change), etsm); - priv->tree_model_no_change_id = gtk_signal_connect_after (GTK_OBJECT (priv->model), "no_change", - GTK_SIGNAL_FUNC (etsm_no_change), etsm); - priv->tree_model_node_changed_id = gtk_signal_connect_after (GTK_OBJECT (priv->model), "node_changed", - GTK_SIGNAL_FUNC (etsm_node_changed), etsm); - priv->tree_model_node_data_changed_id = gtk_signal_connect_after (GTK_OBJECT (priv->model), "node_data_changed", - GTK_SIGNAL_FUNC (etsm_node_data_changed), etsm); - priv->tree_model_node_col_changed_id = gtk_signal_connect_after (GTK_OBJECT (priv->model), "node_col_changed", - GTK_SIGNAL_FUNC (etsm_node_col_changed), etsm); - priv->tree_model_node_inserted_id = gtk_signal_connect_after (GTK_OBJECT (priv->model), "node_inserted", - GTK_SIGNAL_FUNC (etsm_node_inserted), etsm); - priv->tree_model_node_removed_id = gtk_signal_connect_after (GTK_OBJECT (priv->model), "node_removed", - GTK_SIGNAL_FUNC (etsm_node_removed), etsm); - priv->tree_model_node_deleted_id = gtk_signal_connect_after (GTK_OBJECT (priv->model), "node_deleted", - GTK_SIGNAL_FUNC (etsm_node_deleted), etsm); -} - -static void -drop_model(ETreeSelectionModel *etsm) -{ - ETreeSelectionModelPriv *priv = etsm->priv; - - if (!priv->model) - return; - - gtk_signal_disconnect (GTK_OBJECT (priv->model), - priv->tree_model_pre_change_id); - gtk_signal_disconnect (GTK_OBJECT (priv->model), - priv->tree_model_no_change_id); - gtk_signal_disconnect (GTK_OBJECT (priv->model), - priv->tree_model_node_changed_id); - gtk_signal_disconnect (GTK_OBJECT (priv->model), - priv->tree_model_node_data_changed_id); - gtk_signal_disconnect (GTK_OBJECT (priv->model), - priv->tree_model_node_col_changed_id); - gtk_signal_disconnect (GTK_OBJECT (priv->model), - priv->tree_model_node_inserted_id); - gtk_signal_disconnect (GTK_OBJECT (priv->model), - priv->tree_model_node_removed_id); - gtk_signal_disconnect (GTK_OBJECT (priv->model), - priv->tree_model_node_deleted_id); - - gtk_object_unref (GTK_OBJECT (priv->model)); - priv->model = NULL; - - priv->tree_model_pre_change_id = 0; - priv->tree_model_no_change_id = 0; - priv->tree_model_node_changed_id = 0; - priv->tree_model_node_data_changed_id = 0; - priv->tree_model_node_col_changed_id = 0; - priv->tree_model_node_inserted_id = 0; - priv->tree_model_node_removed_id = 0; - priv->tree_model_node_deleted_id = 0; -} - - -static void -add_ets(ETreeSelectionModel *etsm, ETreeSorted *ets) -{ - ETreeSelectionModelPriv *priv = etsm->priv; - - priv->ets = ets; - - if (!priv->ets) - return; - - gtk_object_ref(GTK_OBJECT(priv->ets)); - priv->sorted_model_node_resorted_id = gtk_signal_connect (GTK_OBJECT (priv->ets), "node_resorted", - GTK_SIGNAL_FUNC (etsm_sorted_node_resorted), etsm); -} - -static void -drop_ets(ETreeSelectionModel *etsm) -{ - ETreeSelectionModelPriv *priv = etsm->priv; - - if (!priv->ets) - return; - - gtk_signal_disconnect (GTK_OBJECT (priv->ets), - priv->sorted_model_node_resorted_id); - - gtk_object_unref (GTK_OBJECT (priv->ets)); - priv->ets = NULL; - - priv->sorted_model_node_resorted_id = 0; -} - -/* Virtual functions */ -static void -etsm_destroy (GtkObject *object) -{ - ETreeSelectionModel *etsm; - - etsm = E_TREE_SELECTION_MODEL (object); - - etsm_real_clear (etsm); - etsm->priv->cursor_path = NULL; - drop_model(etsm); - drop_ets(etsm); - - g_free (etsm->priv->cursor_save_id); - - g_free(etsm->priv); - etsm->priv = NULL; - - if (GTK_OBJECT_CLASS (parent_class)->destroy) - (* GTK_OBJECT_CLASS (parent_class)->destroy) (object); -} - -static void -etsm_get_arg (GtkObject *o, GtkArg *arg, guint arg_id) -{ - ETreeSelectionModel *etsm = E_TREE_SELECTION_MODEL (o); - - switch (arg_id){ - case ARG_CURSOR_ROW: - GTK_VALUE_INT(*arg) = etsm_cursor_row_real(etsm); - break; - - case ARG_CURSOR_COL: - GTK_VALUE_INT(*arg) = etsm->priv->cursor_col; - break; - - case ARG_MODEL: - GTK_VALUE_OBJECT(*arg) = (GtkObject *) etsm->priv->model; - break; - - case ARG_ETTA: - GTK_VALUE_OBJECT(*arg) = (GtkObject *) etsm->priv->etta; - break; - - case ARG_ETS: - GTK_VALUE_OBJECT(*arg) = (GtkObject *) etsm->priv->ets; - break; - } -} - -static void -etsm_set_arg (GtkObject *o, GtkArg *arg, guint arg_id) -{ - ESelectionModel *esm = E_SELECTION_MODEL (o); - ETreeSelectionModel *etsm = E_TREE_SELECTION_MODEL (o); - - switch (arg_id){ - case ARG_CURSOR_ROW: - e_selection_model_do_something(esm, GTK_VALUE_INT(*arg), etsm->priv->cursor_col, 0); - break; - - case ARG_CURSOR_COL: - e_selection_model_do_something(esm, etsm_cursor_row_real(etsm), GTK_VALUE_INT(*arg), 0); - break; - - case ARG_MODEL: - drop_model(etsm); - add_model(etsm, (ETreeModel *) GTK_VALUE_OBJECT(*arg)); - break; - - case ARG_ETTA: - etsm->priv->etta = (ETreeTableAdapter *) GTK_VALUE_OBJECT(*arg); - break; - - case ARG_ETS: - drop_ets(etsm); - add_ets(etsm, (ETreeSorted *) GTK_VALUE_OBJECT(*arg)); - break; - } -} - -static ETreeSelectionModelNode * -etsm_recurse_is_path_selected (ETreeSelectionModel *etsm, - ETreePath path, - gboolean *is_selected) -{ - ETreeSelectionModelNode *selection_node; - ETreeSorted *ets = etsm->priv->ets; - ETreePath parent; - - parent = e_tree_model_node_get_parent(E_TREE_MODEL(ets), path); - - if (parent) { - selection_node = etsm_recurse_is_path_selected (etsm, parent, is_selected); - if (selection_node) { - int position = e_tree_sorted_orig_position(ets, path); - if (position < 0 || position >= selection_node->num_children) { - *is_selected = FALSE; - return NULL; - } - if (selection_node->all_children_selected) { - *is_selected = TRUE; - return NULL; - } - if (! selection_node->any_children_selected) { - *is_selected = FALSE; - return NULL; - } - if (selection_node->all_children_selected_array && e_bit_array_value_at(selection_node->all_children_selected_array, position)) { - *is_selected = TRUE; - return NULL; - } - if (selection_node->any_children_selected_array && ! e_bit_array_value_at(selection_node->any_children_selected_array, position)) { - *is_selected = FALSE; - return NULL; - } - if (!selection_node->children) { - *is_selected = FALSE; - return NULL; - } - return selection_node->children[position]; - } else - return NULL; - } else { - if (etsm->priv->root) { - return etsm->priv->root; - } else { - *is_selected = FALSE; - return NULL; - } - } -} - -static gboolean -etsm_is_path_selected (ETreeSelectionModel *etsm, - ETreePath path) -{ - ETreeSelectionModelNode *selection_node; - gboolean ret_val; - - selection_node = etsm_recurse_is_path_selected (etsm, path, &ret_val); - - if (selection_node) - ret_val = selection_node->selected; - - return ret_val; -} - -/** - * e_selection_model_is_row_selected - * @selection: #ESelectionModel to check - * @n: The row to check - * - * This routine calculates whether the given row is selected. - * - * Returns: %TRUE if the given row is selected - */ -static gboolean -etsm_is_row_selected (ESelectionModel *selection, - gint row) -{ - ETreeSelectionModel *etsm = E_TREE_SELECTION_MODEL(selection); - ETreePath path; - - g_return_val_if_fail(row < e_table_model_row_count(E_TABLE_MODEL(etsm->priv->etta)), FALSE); - g_return_val_if_fail(row >= 0, FALSE); - g_return_val_if_fail(etsm != NULL, FALSE); - - path = e_tree_table_adapter_node_at_row(etsm->priv->etta, row); - return etsm_is_path_selected (etsm, path); -} - - -typedef struct { - ETreeSelectionModel *etsm; - EForeachFunc callback; - gpointer closure; -} ModelAndCallback; - -static void -etsm_row_foreach_cb (ETreePath path, gpointer user_data) -{ - ModelAndCallback *mac = user_data; - int row = etsm_row_of_node(mac->etsm, path); - if (row >= 0) - mac->callback(row, mac->closure); -} - -/** - * e_selection_model_foreach - * @selection: #ESelectionModel to traverse - * @callback: The callback function to call back. - * @closure: The closure - * - * This routine calls the given callback function once for each - * selected row, passing closure as the closure. - */ -static void -etsm_foreach (ESelectionModel *selection, - EForeachFunc callback, - gpointer closure) -{ - ETreeSelectionModel *etsm = E_TREE_SELECTION_MODEL(selection); - ModelAndCallback mac; - - mac.etsm = etsm; - mac.callback = callback; - mac.closure = closure; - - e_tree_selection_model_foreach(etsm, etsm_row_foreach_cb, &mac); -} - -/** - * e_selection_model_clear - * @selection: #ESelectionModel to clear - * - * This routine clears the selection to no rows selected. - */ -static void -etsm_clear(ESelectionModel *selection) -{ - ETreeSelectionModel *etsm = E_TREE_SELECTION_MODEL(selection); - - etsm_real_clear (etsm); - - etsm->priv->cursor_path = NULL; - etsm->priv->cursor_col = -1; - etsm->priv->selected_row = -1; - etsm->priv->selected_range_end = -1; - e_selection_model_selection_changed(E_SELECTION_MODEL(etsm)); - e_selection_model_cursor_changed(E_SELECTION_MODEL(etsm), -1, -1); -} - -/* Standard functions */ -static void -etsm_selected_count_all_recurse (ETreeSelectionModel *etsm, - ETreePath path, - int *count) -{ - ETreePath child; - - (*count) ++; - - child = e_tree_model_node_get_first_child(E_TREE_MODEL(etsm->priv->model), path); - for ( ; child; child = e_tree_model_node_get_next(E_TREE_MODEL(etsm->priv->model), child)) - if (child) - etsm_selected_count_all_recurse (etsm, child, count); -} - -static void -etsm_selected_count_recurse (ETreeSelectionModel *etsm, - ETreeSelectionModelNode *selection_node, - ETreePath path, - int *count) -{ - if (selection_node->all_children_selected) { - if (path) - etsm_selected_count_all_recurse(etsm, path, count); - return; - } - if (!selection_node->any_children_selected) - return; - - if (selection_node->selected) { - (*count) ++; - } - - if (selection_node->children) { - ETreePath child = e_tree_model_node_get_first_child(E_TREE_MODEL(etsm->priv->model), path); - int i; - for (i = 0; child && i < selection_node->num_children; i++, child = e_tree_model_node_get_next(E_TREE_MODEL(etsm->priv->model), child)) - if (selection_node->children[i]) - etsm_selected_count_recurse (etsm, selection_node->children[i], child, count); - } -} - -/** - * e_selection_model_selected_count - * @selection: #ESelectionModel to count - * - * This routine calculates the number of rows selected. - * - * Returns: The number of rows selected in the given model. - */ -static gint -etsm_selected_count (ESelectionModel *selection) -{ - ETreeSelectionModel *etsm = E_TREE_SELECTION_MODEL(selection); - int count = 0; - if (etsm->priv->root) { - ETreePath model_root; - model_root = e_tree_model_get_root(etsm->priv->model); - etsm_selected_count_recurse(etsm, etsm->priv->root, model_root, &count); - if (!e_tree_table_adapter_root_node_is_visible (etsm->priv->etta) && etsm_is_path_selected (etsm, e_tree_model_get_root(etsm->priv->model))) { - count --; - } - } - return count; -} - -/** - * e_selection_model_select_all - * @selection: #ESelectionModel to select all - * - * This routine selects all the rows in the given - * #ESelectionModel. - */ -static void -etsm_select_all (ESelectionModel *selection) -{ - ETreeSelectionModel *etsm = E_TREE_SELECTION_MODEL(selection); - ETreePath root; - - root = e_tree_model_get_root(E_TREE_MODEL(etsm->priv->ets)); - if (root == NULL) - return; - - etsm_real_clear (etsm); - - etsm->priv->root = e_tree_selection_model_node_new(); - etsm->priv->root->selected = TRUE; - etsm->priv->root->all_children_selected = TRUE; - etsm->priv->root->any_children_selected = TRUE; - - e_tree_selection_model_node_fill_children(etsm, root, etsm->priv->root); - etsm->priv->root->all_children_selected_array = e_bit_array_new(etsm->priv->root->num_children); - etsm->priv->root->any_children_selected_array = e_bit_array_new(etsm->priv->root->num_children); - e_bit_array_select_all(etsm->priv->root->all_children_selected_array); - e_bit_array_select_all(etsm->priv->root->any_children_selected_array); - - if (etsm->priv->cursor_col == -1) - etsm->priv->cursor_col = 0; - if (etsm->priv->cursor_path == NULL) - etsm->priv->cursor_path = etsm_node_at_row(etsm, 0); - etsm->priv->selection_start_path = etsm_node_at_row(etsm, 0); - etsm->priv->selected_row = -1; - etsm->priv->selected_range_end = -1; - e_selection_model_selection_changed(E_SELECTION_MODEL(etsm)); - e_selection_model_cursor_changed(E_SELECTION_MODEL(etsm), etsm_cursor_row_real(etsm), etsm->priv->cursor_col); -} - -static void -etsm_invert_selection_recurse (ETreeSelectionModel *etsm, - ETreeSelectionModelNode *selection_node) -{ - gboolean temp; - EBitArray *temp_eba; - selection_node->selected = ! selection_node->selected; - - temp = selection_node->all_children_selected; - selection_node->all_children_selected = ! selection_node->any_children_selected; - selection_node->any_children_selected = ! temp; - - temp_eba = selection_node->all_children_selected_array; - selection_node->all_children_selected_array = selection_node->any_children_selected_array; - selection_node->any_children_selected_array = temp_eba; - if (selection_node->all_children_selected_array) - e_bit_array_invert_selection(selection_node->all_children_selected_array); - if (selection_node->any_children_selected_array) - e_bit_array_invert_selection(selection_node->any_children_selected_array); - if (selection_node->children) { - int i; - for (i = 0; i < selection_node->num_children; i++) { - if (selection_node->children[i]) - etsm_invert_selection_recurse (etsm, selection_node->children[i]); - } - } -} - -/** - * e_selection_model_invert_selection - * @selection: #ESelectionModel to invert - * - * This routine inverts all the rows in the given - * #ESelectionModel. - */ -static void -etsm_invert_selection (ESelectionModel *selection) -{ - ETreeSelectionModel *etsm = E_TREE_SELECTION_MODEL(selection); - - if (etsm->priv->root) - etsm_invert_selection_recurse (etsm, etsm->priv->root); - - etsm->priv->cursor_col = -1; - etsm->priv->cursor_path = NULL; - etsm->priv->selection_start_path = etsm_node_at_row(etsm, 0); - etsm->priv->selected_row = -1; - etsm->priv->selected_range_end = -1; - e_selection_model_selection_changed(E_SELECTION_MODEL(etsm)); - e_selection_model_cursor_changed(E_SELECTION_MODEL(etsm), -1, -1); -} - -static int -etsm_row_count (ESelectionModel *selection) -{ - ETreeSelectionModel *etsm = E_TREE_SELECTION_MODEL(selection); - return e_table_model_row_count(E_TABLE_MODEL(etsm->priv->etta)); -} - -static void -etsm_change_one_row(ESelectionModel *selection, int row, gboolean grow) -{ - ETreeSelectionModel *etsm = E_TREE_SELECTION_MODEL(selection); - ETreeSelectionModelNode *node; - ETreePath path; - - g_return_if_fail(row < e_table_model_row_count(E_TABLE_MODEL(etsm->priv->etta))); - g_return_if_fail(row >= 0); - g_return_if_fail(selection != NULL); - - path = e_tree_table_adapter_node_at_row(etsm->priv->etta, row); - - if (!path) - return; - - node = etsm_find_node_unless_equals (etsm, path, grow); - - if (node) { - node->selected = grow; - update_parents(etsm, path); - } -} - -static void -etsm_change_cursor (ESelectionModel *selection, int row, int col) -{ - ETreeSelectionModel *etsm; - - g_return_if_fail(selection != NULL); - g_return_if_fail(E_IS_SELECTION_MODEL(selection)); - - etsm = E_TREE_SELECTION_MODEL(selection); - - if (row == -1) { - etsm->priv->cursor_path = NULL; - } else { - etsm->priv->cursor_path = etsm_node_at_row(etsm, row); - } - etsm->priv->cursor_col = col; -} - -static void -etsm_change_range(ESelectionModel *selection, int start, int end, gboolean grow) -{ - int i; - if (start != end) { - if (selection->sorter && e_sorter_needs_sorting(selection->sorter)) { - for ( i = start; i < end; i++) { - e_selection_model_change_one_row(selection, e_sorter_sorted_to_model(selection->sorter, i), grow); - } - } else { - for ( i = start; i < end; i++) { - e_selection_model_change_one_row(selection, i, grow); - } - } - } -} - -static int -etsm_cursor_row (ESelectionModel *selection) -{ - return etsm_cursor_row_real(E_TREE_SELECTION_MODEL(selection)); -} - -static int -etsm_cursor_col (ESelectionModel *selection) -{ - ETreeSelectionModel *etsm = E_TREE_SELECTION_MODEL(selection); - return etsm->priv->cursor_col; -} - -static void -etsm_select_single_row (ESelectionModel *selection, int row) -{ - ETreeSelectionModel *etsm = E_TREE_SELECTION_MODEL(selection); - int selected_row = etsm->priv->selected_row; - - etsm_real_clear (etsm); - etsm_change_one_row(selection, row, TRUE); - etsm->priv->selection_start_path = etsm_node_at_row(etsm, row); - - etsm->priv->selected_row = row; - etsm->priv->selected_range_end = -1; - if (selected_row != -1) { - if (selected_row != etsm->priv->selected_row) { - e_selection_model_selection_row_changed(E_SELECTION_MODEL(etsm), selected_row); - e_selection_model_selection_row_changed(E_SELECTION_MODEL(etsm), row); - } - } else { - e_selection_model_selection_changed(E_SELECTION_MODEL(etsm)); - } -} - -static void -etsm_toggle_single_row (ESelectionModel *selection, int row) -{ - ETreeSelectionModel *etsm = E_TREE_SELECTION_MODEL(selection); - - etsm->priv->selection_start_path = etsm_node_at_row(etsm, row); - - etsm_change_one_row(selection, row, !etsm_is_row_selected(selection, row)); - - etsm->priv->selected_row = -1; - etsm->priv->selected_range_end = -1; - e_selection_model_selection_changed(E_SELECTION_MODEL(etsm)); -} - -static void -etsm_real_move_selection_end (ETreeSelectionModel *etsm, int row) -{ - ESelectionModel *selection = E_SELECTION_MODEL (etsm); - int old_start; - int old_end; - int new_start; - int new_end; - int start_row = etsm_row_of_node(etsm, etsm->priv->selection_start_path); - if (selection->sorter && e_sorter_needs_sorting(selection->sorter)) { - old_start = MIN (e_sorter_model_to_sorted(selection->sorter, start_row), - e_sorter_model_to_sorted(selection->sorter, etsm_cursor_row_real(etsm))); - old_end = MAX (e_sorter_model_to_sorted(selection->sorter, start_row), - e_sorter_model_to_sorted(selection->sorter, etsm_cursor_row_real(etsm))) + 1; - new_start = MIN (e_sorter_model_to_sorted(selection->sorter, start_row), - e_sorter_model_to_sorted(selection->sorter, row)); - new_end = MAX (e_sorter_model_to_sorted(selection->sorter, start_row), - e_sorter_model_to_sorted(selection->sorter, row)) + 1; - } else { - old_start = MIN (start_row, etsm_cursor_row_real(etsm)); - old_end = MAX (start_row, etsm_cursor_row_real(etsm)) + 1; - new_start = MIN (start_row, row); - new_end = MAX (start_row, row) + 1; - } - /* This wouldn't work nearly so smoothly if one end of the selection weren't held in place. */ - if (old_start < new_start) - etsm_change_range(selection, old_start, new_start, FALSE); - if (new_start < old_start) - etsm_change_range(selection, new_start, old_start, TRUE); - if (old_end < new_end) - etsm_change_range(selection, old_end, new_end, TRUE); - if (new_end < old_end) - etsm_change_range(selection, new_end, old_end, FALSE); - etsm->priv->selected_row = -1; - etsm->priv->selected_range_end = -1; -} - -static void -etsm_move_selection_end (ESelectionModel *selection, int row) -{ - ETreeSelectionModel *etsm = E_TREE_SELECTION_MODEL(selection); - - etsm_real_move_selection_end (etsm, row); - e_selection_model_selection_changed(E_SELECTION_MODEL(selection)); -} - -static void -etsm_set_selection_end (ESelectionModel *selection, int row) -{ - ETreeSelectionModel *etsm = E_TREE_SELECTION_MODEL(selection); - int selected_range_end = etsm->priv->selected_range_end; - - etsm_real_select_single_path(etsm, etsm->priv->selection_start_path); - etsm->priv->cursor_path = etsm->priv->selection_start_path; - etsm_real_move_selection_end(etsm, row); - etsm->priv->selected_range_end = row; - if (selected_range_end != -1 && row != -1) { - if (selected_range_end == row - 1 || - selected_range_end == row + 1) { - e_selection_model_selection_row_changed(E_SELECTION_MODEL(etsm), selected_range_end); - e_selection_model_selection_row_changed(E_SELECTION_MODEL(etsm), row); - return; - } - } - e_selection_model_selection_changed(E_SELECTION_MODEL(etsm)); -} - - -/* Standard functions */ -static void -etsm_foreach_all_recurse (ETreeSelectionModel *etsm, - ETreePath path, - ETreeForeachFunc callback, - gpointer closure) -{ - ETreePath child; - - callback(path, closure); - - child = e_tree_model_node_get_first_child(E_TREE_MODEL(etsm->priv->model), path); - for ( ; child; child = e_tree_model_node_get_next(E_TREE_MODEL(etsm->priv->model), child)) - if (child) - etsm_foreach_all_recurse (etsm, child, callback, closure); -} - -static void -etsm_foreach_recurse (ETreeSelectionModel *etsm, - ETreeSelectionModelNode *selection_node, - ETreePath path, - ETreeForeachFunc callback, - gpointer closure) -{ - if (selection_node->all_children_selected) { - if (path) - etsm_foreach_all_recurse(etsm, path, callback, closure); - return; - } - if (!selection_node->any_children_selected) - return; - - if (selection_node->selected) { - callback(path, closure); - } - - if (selection_node->children) { - ETreePath child = e_tree_model_node_get_first_child(E_TREE_MODEL(etsm->priv->model), path); - int i; - for (i = 0; i < selection_node->num_children; i++, child = e_tree_model_node_get_next(E_TREE_MODEL(etsm->priv->model), child)) - if (selection_node->children[i]) - etsm_foreach_recurse (etsm, selection_node->children[i], child, callback, closure); - } -} - -void -e_tree_selection_model_foreach (ETreeSelectionModel *etsm, - ETreeForeachFunc callback, - gpointer closure) -{ - if (etsm->priv->root) { - ETreePath model_root; - model_root = e_tree_model_get_root(etsm->priv->model); - etsm_foreach_recurse(etsm, etsm->priv->root, model_root, callback, closure); - } -} - -void -e_tree_selection_model_select_single_path (ETreeSelectionModel *etsm, ETreePath path) -{ - etsm_real_select_single_path (etsm, path); - - e_selection_model_selection_changed(E_SELECTION_MODEL(etsm)); -} - -void -e_tree_selection_model_add_to_selection (ETreeSelectionModel *etsm, ETreePath path) -{ - etsm_change_one_path(etsm, path, TRUE); - etsm->priv->selection_start_path = path; - etsm->priv->selected_row = -1; - etsm->priv->selected_range_end = -1; - - e_selection_model_selection_changed(E_SELECTION_MODEL(etsm)); -} - -void -e_tree_selection_model_change_cursor (ETreeSelectionModel *etsm, ETreePath path) -{ - int row; - - etsm->priv->cursor_path = path; - - row = etsm_cursor_row_real(etsm); - - E_SELECTION_MODEL (etsm)->old_selection = -1; - - e_selection_model_cursor_changed(E_SELECTION_MODEL(etsm), row, etsm->priv->cursor_col); - e_selection_model_cursor_activated(E_SELECTION_MODEL(etsm), row, etsm->priv->cursor_col); -} - - -static void -e_tree_selection_model_init (ETreeSelectionModel *etsm) -{ - ETreeSelectionModelPriv *priv; - priv = g_new(ETreeSelectionModelPriv, 1); - etsm->priv = priv; - - priv->etta = NULL; - priv->ets = NULL; - priv->model = NULL; - - priv->root = NULL; - - priv->cursor_path = NULL; - priv->cursor_col = -1; - priv->selection_start_path = NULL; - - priv->cursor_save_id = NULL; - - - priv->tree_model_pre_change_id = 0; - priv->tree_model_no_change_id = 0; - priv->tree_model_node_changed_id = 0; - priv->tree_model_node_data_changed_id = 0; - priv->tree_model_node_col_changed_id = 0; - priv->tree_model_node_inserted_id = 0; - priv->tree_model_node_removed_id = 0; - priv->tree_model_node_deleted_id = 0; - - priv->sorted_model_node_resorted_id = 0; - - priv->selected_row = -1; - priv->selected_range_end = -1; -} - -static void -e_tree_selection_model_class_init (ETreeSelectionModelClass *klass) -{ - GtkObjectClass *object_class; - ESelectionModelClass *esm_class; - - parent_class = gtk_type_class (e_selection_model_get_type ()); - - object_class = GTK_OBJECT_CLASS(klass); - esm_class = E_SELECTION_MODEL_CLASS(klass); - - object_class->destroy = etsm_destroy; - object_class->get_arg = etsm_get_arg; - object_class->set_arg = etsm_set_arg; - - esm_class->is_row_selected = etsm_is_row_selected ; - esm_class->foreach = etsm_foreach ; - esm_class->clear = etsm_clear ; - esm_class->selected_count = etsm_selected_count ; - esm_class->select_all = etsm_select_all ; - esm_class->invert_selection = etsm_invert_selection ; - esm_class->row_count = etsm_row_count ; - - esm_class->change_one_row = etsm_change_one_row ; - esm_class->change_cursor = etsm_change_cursor ; - esm_class->cursor_row = etsm_cursor_row ; - esm_class->cursor_col = etsm_cursor_col ; - - esm_class->select_single_row = etsm_select_single_row ; - esm_class->toggle_single_row = etsm_toggle_single_row ; - esm_class->move_selection_end = etsm_move_selection_end ; - esm_class->set_selection_end = etsm_set_selection_end ; - - gtk_object_add_arg_type ("ETreeSelectionModel::cursor_row", GTK_TYPE_INT, - GTK_ARG_READWRITE, ARG_CURSOR_ROW); - gtk_object_add_arg_type ("ETreeSelectionModel::cursor_col", GTK_TYPE_INT, - GTK_ARG_READWRITE, ARG_CURSOR_COL); - gtk_object_add_arg_type ("ETreeSelectionModel::model", E_TREE_MODEL_TYPE, - GTK_ARG_READWRITE, ARG_MODEL); - gtk_object_add_arg_type ("ETreeSelectionModel::etta", E_TREE_TABLE_ADAPTER_TYPE, - GTK_ARG_READWRITE, ARG_ETTA); - gtk_object_add_arg_type ("ETreeSelectionModel::ets", E_TREE_SORTED_TYPE, - GTK_ARG_READWRITE, ARG_ETS); -} - -ESelectionModel * -e_tree_selection_model_new (void) -{ - return gtk_type_new(e_tree_selection_model_get_type()); -} - -E_MAKE_TYPE(e_tree_selection_model, "ETreeSelectionModel", ETreeSelectionModel, - e_tree_selection_model_class_init, e_tree_selection_model_init, PARENT_TYPE); 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