diff options
Diffstat (limited to 'widgets/table/e-tree-sorted.c')
| -rw-r--r-- | widgets/table/e-tree-sorted.c | 1408 |
1 files changed, 0 insertions, 1408 deletions
diff --git a/widgets/table/e-tree-sorted.c b/widgets/table/e-tree-sorted.c deleted file mode 100644 index 2244f1ba11..0000000000 --- a/widgets/table/e-tree-sorted.c +++ /dev/null @@ -1,1408 +0,0 @@ -/* -*- Mode: C; tab-width: 8; indent-tabs-mode: t; c-basic-offset: 8 -*- */ -/* - * e-tree-sorted.c - * Copyright 2000, 2001, Ximian, Inc. - * - * Authors: - * Chris Lahey <clahey@ximian.com> - * Chris Toshok <toshok@ximian.com> - * - * Adapted from the gtree code and ETableModel. - * - * 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. - */ - -/* FIXME: Overall e-tree-sorted.c needs to be made more efficient. */ - - -#include <config.h> - -#include "e-tree-sorted.h" - -#include <stdio.h> -#include <errno.h> -#include <stdlib.h> -#include <unistd.h> -#include <fcntl.h> -#include <string.h> - -#include <gnome-xml/parser.h> -#include <gnome-xml/xmlmemory.h> - -#include <gtk/gtksignal.h> -#include "gal/util/e-util.h" -#include "gal/util/e-xml-utils.h" -#include "e-table-sorting-utils.h" - -#define PARENT_TYPE E_TREE_MODEL_TYPE - -/* maximum insertions between an idle event that we will do without scheduling an idle sort */ -#define ETS_INSERT_MAX (4) - -#define TREEPATH_CHUNK_AREA_SIZE (30 * sizeof (ETreeSortedPath)) - -#define d(x) - -static ETreeModel *parent_class; -static GMemChunk *node_chunk; - -enum { - NODE_RESORTED, - LAST_SIGNAL -}; - -static guint signals [LAST_SIGNAL] = {0, }; - -typedef struct ETreeSortedPath ETreeSortedPath; - -struct ETreeSortedPath { - ETreePath corresponding; - - /* parent/child/sibling pointers */ - ETreeSortedPath *parent; - gint num_children; - ETreeSortedPath **children; - int position; - int orig_position; - - guint needs_resort : 1; - guint child_needs_resort : 1; - guint resort_all_children : 1; - guint needs_regen_to_sort : 1; -}; - -struct ETreeSortedPriv { - ETreeModel *source; - ETreeSortedPath *root; - - ETableSortInfo *sort_info; - ETableHeader *full_header; - - ETreeSortedPath *last_access; - - 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 tree_model_node_request_collapse_id; - - int sort_info_changed_id; - int sort_idle_id; - int insert_idle_id; - int insert_count; - - guint in_resort_idle : 1; - guint nested_resort_idle : 1; -}; - -enum { - ARG_0, - - ARG_SORT_INFO -}; - -static void ets_sort_info_changed (ETableSortInfo *sort_info, ETreeSorted *ets); -static void resort_node (ETreeSorted *ets, ETreeSortedPath *path, gboolean resort_all_children, gboolean needs_regen, gboolean send_signals); -static void mark_path_needs_resort (ETreeSorted *ets, ETreeSortedPath *path, gboolean needs_rebuild, gboolean resort_all_children); -static void schedule_resort (ETreeSorted *ets, ETreeSortedPath *path, gboolean needs_regen, gboolean resort_all_children); -static void free_path (ETreeSortedPath *path); -static void generate_children(ETreeSorted *ets, ETreeSortedPath *path); -static void regenerate_children(ETreeSorted *ets, ETreeSortedPath *path); - - - -/* idle callbacks */ - -static gboolean -ets_sort_idle(gpointer user_data) -{ - ETreeSorted *ets = user_data; - if (ets->priv->in_resort_idle) { - ets->priv->nested_resort_idle = TRUE; - return FALSE; - } - ets->priv->in_resort_idle = TRUE; - if (ets->priv->root) { - do { - ets->priv->nested_resort_idle = FALSE; - resort_node (ets, ets->priv->root, FALSE, FALSE, TRUE); - } while (ets->priv->nested_resort_idle); - } - ets->priv->in_resort_idle = FALSE; - ets->priv->sort_idle_id = 0; - return FALSE; -} - -#define ETS_SORT_IDLE_ACTIVATED(ets) ((ets)->priv->sort_idle_id != 0) - -inline static void -ets_stop_sort_idle (ETreeSorted *ets) -{ - if (ets->priv->sort_idle_id) { - g_source_remove(ets->priv->sort_idle_id); - ets->priv->sort_idle_id = 0; - } -} - -static gboolean -ets_insert_idle(ETreeSorted *ets) -{ - ets->priv->insert_count = 0; - ets->priv->insert_idle_id = 0; - return FALSE; -} - - - -/* Helper functions */ - -#define CHECK_AROUND_LAST_ACCESS - -static inline ETreeSortedPath * -check_last_access (ETreeSorted *ets, ETreePath corresponding) -{ -#ifdef CHECK_AROUND_LAST_ACCESS - ETreeSortedPath *parent; -#endif - - if (ets->priv->last_access == NULL) - return NULL; - - if (ets->priv->last_access == corresponding) { - d(g_print("Found last access %p at %p.", ets->priv->last_access, ets->priv->last_access)); - return ets->priv->last_access; - } - -#ifdef CHECK_AROUND_LAST_ACCESS - parent = ets->priv->last_access->parent; - if (parent && parent->children) { - int position = ets->priv->last_access->position; - int end = MIN(parent->num_children, position + 10); - int start = MAX(0, position - 10); - int initial = MAX (MIN (position, end), start); - int i; - - for (i = initial; i < end; i++) { - if (parent->children[i] && parent->children[i]->corresponding == corresponding) { - d(g_print("Found last access %p at %p.", ets->priv->last_access, parent->children[i])); - return parent->children[i]; - } - } - - for (i = initial - 1; i >= start; i--) { - if (parent->children[i] && parent->children[i]->corresponding == corresponding) { - d(g_print("Found last access %p at %p.", ets->priv->last_access, parent->children[i])); - return parent->children[i]; - } - } - } -#endif - return NULL; -} - -static ETreeSortedPath * -find_path(ETreeSorted *ets, ETreePath corresponding) -{ - int depth; - ETreePath *sequence; - int i; - ETreeSortedPath *path; - ETreeSortedPath *check_last; - - if (corresponding == NULL) - return NULL; - - check_last = check_last_access (ets, corresponding); - if (check_last) { - d(g_print(" (find_path)\n")); - return check_last; - } - - depth = e_tree_model_node_depth(ets->priv->source, corresponding); - - sequence = g_new(ETreePath, depth + 1); - - sequence[0] = corresponding; - - for (i = 0; i < depth; i++) - sequence[i + 1] = e_tree_model_node_get_parent(ets->priv->source, sequence[i]); - - path = ets->priv->root; - - for (i = depth - 1; i >= 0 && path != NULL; i --) { - int j; - - if (path->num_children == -1) { - path = NULL; - break; - } - - for (j = 0; j < path->num_children; j++) { - if (path->children[j]->corresponding == sequence[i]) { - break; - } - } - - if (j < path->num_children) { - path = path->children[j]; - } else { - path = NULL; - } - } - g_free (sequence); - - d(g_print("Didn't find last access %p. Setting to %p. (find_path)\n", ets->priv->last_access, path)); - ets->priv->last_access = path; - - return path; -} - -static ETreeSortedPath * -find_child_path(ETreeSorted *ets, ETreeSortedPath *parent, ETreePath corresponding) -{ - int i; - - if (corresponding == NULL) - return NULL; - - if (parent->num_children == -1) { - return NULL; - } - - for (i = 0; i < parent->num_children; i++) - if (parent->children[i]->corresponding == corresponding) - return parent->children[i]; - - return NULL; -} - -static ETreeSortedPath * -find_or_create_path(ETreeSorted *ets, ETreePath corresponding) -{ - int depth; - ETreePath *sequence; - int i; - ETreeSortedPath *path; - ETreeSortedPath *check_last; - - if (corresponding == NULL) - return NULL; - - check_last = check_last_access (ets, corresponding); - if (check_last) { - d(g_print(" (find_or_create_path)\n")); - return check_last; - } - - depth = e_tree_model_node_depth(ets->priv->source, corresponding); - - sequence = g_new(ETreePath, depth + 1); - - sequence[0] = corresponding; - - for (i = 0; i < depth; i++) - sequence[i + 1] = e_tree_model_node_get_parent(ets->priv->source, sequence[i]); - - path = ets->priv->root; - - for (i = depth - 1; i >= 0 && path != NULL; i --) { - int j; - - if (path->num_children == -1) { - generate_children(ets, path); - } - - for (j = 0; j < path->num_children; j++) { - if (path->children[j]->corresponding == sequence[i]) { - break; - } - } - - if (j < path->num_children) { - path = path->children[j]; - } else { - path = NULL; - } - } - g_free (sequence); - - d(g_print("Didn't find last access %p. Setting to %p. (find_or_create_path)\n", ets->priv->last_access, path)); - ets->priv->last_access = path; - - return path; -} - -static void -free_children (ETreeSortedPath *path) -{ - int i; - - if (path == NULL) - return; - - for (i = 0; i < path->num_children; i++) { - free_path(path->children[i]); - } - - g_free(path->children); - path->children = NULL; - path->num_children = -1; -} - -static void -free_path (ETreeSortedPath *path) -{ - free_children(path); - g_chunk_free(path, node_chunk); -} - -static ETreeSortedPath * -new_path (ETreeSortedPath *parent, ETreePath corresponding) -{ - ETreeSortedPath *path; - - path = g_chunk_new0 (ETreeSortedPath, node_chunk); - - path->corresponding = corresponding; - path->parent = parent; - path->num_children = -1; - path->children = NULL; - path->position = -1; - path->orig_position = -1; - path->child_needs_resort = 0; - path->resort_all_children = 0; - path->needs_resort = 0; - path->needs_regen_to_sort = 0; - - return path; -} - -static gboolean -reposition_path (ETreeSorted *ets, ETreeSortedPath *path) -{ - int new_index; - int old_index = path->position; - ETreeSortedPath *parent = path->parent; - gboolean changed = FALSE; - if (parent) { - if (ets->priv->sort_idle_id == 0) { - if (ets->priv->insert_count > ETS_INSERT_MAX) { - /* schedule a sort, and append instead */ - schedule_resort(ets, parent, TRUE, FALSE); - } else { - /* make sure we have an idle handler to reset the count every now and then */ - if (ets->priv->insert_idle_id == 0) { - ets->priv->insert_idle_id = g_idle_add_full(40, (GSourceFunc) ets_insert_idle, ets, NULL); - } - - new_index = e_table_sorting_utils_tree_check_position - (E_TREE_MODEL(ets), - ets->priv->sort_info, - ets->priv->full_header, - (ETreePath *) parent->children, - parent->num_children, - old_index); - - if (new_index > old_index) { - int i; - ets->priv->insert_count++; - memmove(parent->children + old_index, parent->children + old_index + 1, sizeof (ETreePath) * (new_index - old_index)); - parent->children[new_index] = path; - for (i = old_index; i <= new_index; i++) - parent->children[i]->position = i; - changed = TRUE; - e_tree_model_node_changed(E_TREE_MODEL(ets), parent); - e_tree_sorted_node_resorted(ets, parent); - } else if (new_index < old_index) { - int i; - ets->priv->insert_count++; - memmove(parent->children + new_index + 1, parent->children + new_index, sizeof (ETreePath) * (old_index - new_index)); - parent->children[new_index] = path; - for (i = new_index; i <= old_index; i++) - parent->children[i]->position = i; - changed = TRUE; - e_tree_model_node_changed(E_TREE_MODEL(ets), parent); - e_tree_sorted_node_resorted(ets, parent); - } - } - } else - mark_path_needs_resort(ets, parent, TRUE, FALSE); - } - return changed; -} - -static void -regenerate_children(ETreeSorted *ets, ETreeSortedPath *path) -{ - ETreeSortedPath **children; - int i; - - children = g_new(ETreeSortedPath *, path->num_children); - for (i = 0; i < path->num_children; i++) - children[path->children[i]->orig_position] = path->children[i]; - g_free(path->children); - path->children = children; -} - -static void -generate_children(ETreeSorted *ets, ETreeSortedPath *path) -{ - ETreePath child; - int i; - int count; - - free_children(path); - - count = 0; - for (child = e_tree_model_node_get_first_child(ets->priv->source, path->corresponding); - child; - child = e_tree_model_node_get_next(ets->priv->source, child)) { - count ++; - } - - path->num_children = count; - path->children = g_new(ETreeSortedPath *, count); - for (child = e_tree_model_node_get_first_child(ets->priv->source, path->corresponding), i = 0; - child; - child = e_tree_model_node_get_next(ets->priv->source, child), i++) { - path->children[i] = new_path(path, child); - path->children[i]->position = i; - path->children[i]->orig_position = i; - } - if (path->num_children > 0) - schedule_resort (ets, path, FALSE, TRUE); -} - -static void -resort_node (ETreeSorted *ets, ETreeSortedPath *path, gboolean resort_all_children, gboolean needs_regen, gboolean send_signals) -{ - gboolean needs_resort; - if (path) { - needs_resort = path->needs_resort || resort_all_children; - needs_regen = path->needs_regen_to_sort || needs_regen; - if (path->num_children > 0) { - if (needs_resort && send_signals) - e_tree_model_pre_change(E_TREE_MODEL(ets)); - if (needs_resort) { - int i; - d(g_print("Start sort of node %p\n", path)); - if (needs_regen) - regenerate_children(ets, path); - d(g_print("Regened sort of node %p\n", path)); - e_table_sorting_utils_tree_sort (E_TREE_MODEL(ets), - ets->priv->sort_info, - ets->priv->full_header, - (ETreePath *) path->children, - path->num_children); - d(g_print("Renumbering sort of node %p\n", path)); - for (i = 0; i < path->num_children; i++) { - path->children[i]->position = i; - } - d(g_print("End sort of node %p\n", path)); - } - if (path->resort_all_children) - resort_all_children = TRUE; - if ((resort_all_children || path->child_needs_resort) && path->num_children >= 0) { - int i; - for (i = 0; i < path->num_children; i++) { - resort_node(ets, path->children[i], resort_all_children, needs_regen, send_signals && !needs_resort); - } - path->child_needs_resort = 0; - } - } - path->needs_resort = 0; - path->child_needs_resort = 0; - path->needs_regen_to_sort = 0; - path->resort_all_children = 0; - if (needs_resort && send_signals && path->num_children > 0) { - e_tree_model_node_changed(E_TREE_MODEL(ets), path); - e_tree_sorted_node_resorted(ets, path); - } - } -} - -static void -mark_path_child_needs_resort (ETreeSorted *ets, ETreeSortedPath *path) -{ - if (path == NULL) - return; - if (!path->child_needs_resort) { - path->child_needs_resort = 1; - mark_path_child_needs_resort (ets, path->parent); - } -} - -static void -mark_path_needs_resort (ETreeSorted *ets, ETreeSortedPath *path, gboolean needs_regen, gboolean resort_all_children) -{ - if (path == NULL) - return; - if (path->num_children == 0) - return; - path->needs_resort = 1; - path->needs_regen_to_sort = needs_regen; - path->resort_all_children = resort_all_children; - mark_path_child_needs_resort(ets, path->parent); -} - -static void -schedule_resort (ETreeSorted *ets, ETreeSortedPath *path, gboolean needs_regen, gboolean resort_all_children) -{ - ets->priv->insert_count = 0; - if (ets->priv->insert_idle_id != 0) { - g_source_remove(ets->priv->insert_idle_id); - ets->priv->insert_idle_id = 0; - } - - if (path == NULL) - return; - if (path->num_children == 0) - return; - - mark_path_needs_resort(ets, path, needs_regen, resort_all_children); - if (ets->priv->sort_idle_id == 0) { - ets->priv->sort_idle_id = g_idle_add_full(50, (GSourceFunc) ets_sort_idle, ets, NULL); - } else if (ets->priv->in_resort_idle) { - ets->priv->nested_resort_idle = TRUE; - } -} - - - -/* virtual methods */ - -static void -ets_destroy (GtkObject *object) -{ - ETreeSorted *ets = E_TREE_SORTED (object); - ETreeSortedPriv *priv = ets->priv; - - /* FIXME lots of stuff to free here */ - - if (priv->root) - free_path(priv->root); - - if (priv->source) { - gtk_signal_disconnect (GTK_OBJECT (priv->source), - priv->tree_model_pre_change_id); - gtk_signal_disconnect (GTK_OBJECT (priv->source), - priv->tree_model_no_change_id); - gtk_signal_disconnect (GTK_OBJECT (priv->source), - priv->tree_model_node_changed_id); - gtk_signal_disconnect (GTK_OBJECT (priv->source), - priv->tree_model_node_data_changed_id); - gtk_signal_disconnect (GTK_OBJECT (priv->source), - priv->tree_model_node_col_changed_id); - gtk_signal_disconnect (GTK_OBJECT (priv->source), - priv->tree_model_node_inserted_id); - gtk_signal_disconnect (GTK_OBJECT (priv->source), - priv->tree_model_node_removed_id); - gtk_signal_disconnect (GTK_OBJECT (priv->source), - priv->tree_model_node_deleted_id); - gtk_signal_disconnect (GTK_OBJECT (priv->source), - priv->tree_model_node_request_collapse_id); - - gtk_object_unref (GTK_OBJECT (priv->source)); - priv->source = 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->tree_model_node_request_collapse_id = 0; - } - - if (priv->sort_info) { - gtk_signal_disconnect (GTK_OBJECT (priv->sort_info), - priv->sort_info_changed_id); - - gtk_object_unref (GTK_OBJECT (priv->sort_info)); - priv->sort_info = NULL; - - priv->sort_info_changed_id = 0; - } - - ets_stop_sort_idle (ets); - if (ets->priv->insert_idle_id) { - g_source_remove(ets->priv->insert_idle_id); - ets->priv->insert_idle_id = 0; - } - - if (priv->full_header) - gtk_object_unref(GTK_OBJECT(priv->full_header)); - - g_free (priv); - - GTK_OBJECT_CLASS (parent_class)->destroy (object); -} - -/* Set_arg handler for the text item */ -static void -ets_set_arg (GtkObject *object, GtkArg *arg, guint arg_id) -{ - ETreeSorted *ets; - - ets = E_TREE_SORTED (object); - - switch (arg_id) { - case ARG_SORT_INFO: - if (ets->priv->sort_info) { - gtk_signal_disconnect (GTK_OBJECT (ets->priv->sort_info), - ets->priv->sort_info_changed_id); - - gtk_object_unref (GTK_OBJECT (ets->priv->sort_info)); - ets->priv->sort_info_changed_id = 0; - } - if (GTK_VALUE_OBJECT (*arg)) - ets->priv->sort_info = E_TABLE_SORT_INFO(GTK_VALUE_OBJECT (*arg)); - else - ets->priv->sort_info = NULL; - if (ets->priv->sort_info) { - gtk_object_ref(GTK_OBJECT(ets->priv->sort_info)); - - ets->priv->sort_info_changed_id = gtk_signal_connect (GTK_OBJECT (ets->priv->sort_info), "sort_info_changed", - GTK_SIGNAL_FUNC (ets_sort_info_changed), ets); - } - if (ets->priv->root) - schedule_resort (ets, ets->priv->root, TRUE, TRUE); - break; - - default: - return; - } -} - -/* Get_arg handler for the text item */ -static void -ets_get_arg (GtkObject *object, GtkArg *arg, guint arg_id) -{ - ETreeSorted *ets; - - ets = E_TREE_SORTED (object); - - switch (arg_id) { - case ARG_SORT_INFO: - if (ets->priv->sort_info) - GTK_VALUE_OBJECT (*arg) = GTK_OBJECT(ets->priv->sort_info); - else - GTK_VALUE_OBJECT (*arg) = NULL; - break; - - default: - arg->type = GTK_TYPE_INVALID; - break; - } -} - -static ETreePath -ets_get_root (ETreeModel *etm) -{ - ETreeSortedPriv *priv = E_TREE_SORTED(etm)->priv; - if (priv->root == NULL) { - ETreeSorted *ets = E_TREE_SORTED(etm); - ETreePath corresponding = e_tree_model_get_root(ets->priv->source); - - if (corresponding) { - priv->root = new_path(NULL, corresponding); - } - } - if (priv->root && priv->root->num_children == -1) { - generate_children(E_TREE_SORTED(etm), priv->root); - } - - return priv->root; -} - -static ETreePath -ets_get_parent (ETreeModel *etm, ETreePath node) -{ - ETreeSortedPath *path = node; - return path->parent; -} - -static ETreePath -ets_get_first_child (ETreeModel *etm, ETreePath node) -{ - ETreeSortedPath *path = node; - ETreeSorted *ets = E_TREE_SORTED(etm); - - if (path->num_children == -1) - generate_children(ets, path); - - if (path->num_children > 0) - return path->children[0]; - else - return NULL; -} - -static ETreePath -ets_get_last_child (ETreeModel *etm, ETreePath node) -{ - ETreeSortedPath *path = node; - ETreeSorted *ets = E_TREE_SORTED(etm); - - if (path->num_children == -1) - generate_children(ets, path); - - if (path->num_children > 0) - return path->children[path->num_children - 1]; - else - return NULL; -} - -static ETreePath -ets_get_next (ETreeModel *etm, ETreePath node) -{ - ETreeSortedPath *path = node; - ETreeSortedPath *parent = path->parent; - if (parent) { - if (parent->num_children > path->position + 1) - return parent->children[path->position + 1]; - else - return NULL; - } else - return NULL; -} - -static ETreePath -ets_get_prev (ETreeModel *etm, ETreePath node) -{ - ETreeSortedPath *path = node; - ETreeSortedPath *parent = path->parent; - if (parent) { - if (path->position - 1 >= 0) - return parent->children[path->position - 1]; - else - return NULL; - } else - return NULL; -} - -static gboolean -ets_is_root (ETreeModel *etm, ETreePath node) -{ - ETreeSortedPath *path = node; - ETreeSorted *ets = E_TREE_SORTED(etm); - - return e_tree_model_node_is_root (ets->priv->source, path->corresponding); -} - -static gboolean -ets_is_expandable (ETreeModel *etm, ETreePath node) -{ - ETreeSortedPath *path = node; - ETreeSorted *ets = E_TREE_SORTED(etm); - gboolean expandable = e_tree_model_node_is_expandable (ets->priv->source, path->corresponding); - - if (path->num_children == -1) { - generate_children(ets, node); - } - - return expandable; -} - -static guint -ets_get_children (ETreeModel *etm, ETreePath node, ETreePath **nodes) -{ - ETreeSortedPath *path = node; - guint n_children; - - if (path->num_children == -1) { - generate_children(E_TREE_SORTED(etm), node); - } - - n_children = path->num_children; - - if (nodes) { - int i; - - (*nodes) = g_malloc (sizeof (ETreePath) * n_children); - for (i = 0; i < n_children; i ++) { - (*nodes)[i] = path->children[i]; - } - } - - return n_children; -} - -static guint -ets_depth (ETreeModel *etm, ETreePath node) -{ - ETreeSortedPath *path = node; - ETreeSorted *ets = E_TREE_SORTED(etm); - - return e_tree_model_node_depth(ets->priv->source, path->corresponding); -} - -static GdkPixbuf * -ets_icon_at (ETreeModel *etm, ETreePath node) -{ - ETreeSortedPath *path = node; - ETreeSorted *ets = E_TREE_SORTED(etm); - - return e_tree_model_icon_at(ets->priv->source, path->corresponding); -} - -static gboolean -ets_get_expanded_default (ETreeModel *etm) -{ - ETreeSorted *ets = E_TREE_SORTED(etm); - - return e_tree_model_get_expanded_default(ets->priv->source); -} - -static gint -ets_column_count (ETreeModel *etm) -{ - ETreeSorted *ets = E_TREE_SORTED(etm); - - return e_tree_model_column_count(ets->priv->source); -} - - -static gboolean -ets_has_save_id (ETreeModel *etm) -{ - return TRUE; -} - -static gchar * -ets_get_save_id (ETreeModel *etm, ETreePath node) -{ - ETreeSorted *ets = E_TREE_SORTED(etm); - ETreeSortedPath *path = node; - - if (e_tree_model_has_save_id(ets->priv->source)) - return e_tree_model_get_save_id(ets->priv->source, path->corresponding); - else - return g_strdup_printf("%p", path->corresponding); -} - -static gboolean -ets_has_get_node_by_id (ETreeModel *etm) -{ - ETreeSorted *ets = E_TREE_SORTED(etm); - return e_tree_model_has_get_node_by_id(ets->priv->source); -} - -static ETreePath -ets_get_node_by_id (ETreeModel *etm, const char *save_id) -{ - ETreeSorted *ets = E_TREE_SORTED(etm); - ETreePath node; - - node = e_tree_model_get_node_by_id (ets->priv->source, save_id); - - return find_path(ets, node); -} - -static gboolean -ets_has_change_pending (ETreeModel *etm) -{ - ETreeSorted *ets = E_TREE_SORTED(etm); - - return ets->priv->sort_idle_id != 0; -} - - -static void * -ets_value_at (ETreeModel *etm, ETreePath node, int col) -{ - ETreeSorted *ets = E_TREE_SORTED(etm); - ETreeSortedPath *path = node; - - return e_tree_model_value_at(ets->priv->source, path->corresponding, col); -} - -static void -ets_set_value_at (ETreeModel *etm, ETreePath node, int col, const void *val) -{ - ETreeSorted *ets = E_TREE_SORTED(etm); - ETreeSortedPath *path = node; - - e_tree_model_set_value_at (ets->priv->source, path->corresponding, col, val); -} - -static gboolean -ets_is_editable (ETreeModel *etm, ETreePath node, int col) -{ - ETreeSorted *ets = E_TREE_SORTED(etm); - ETreeSortedPath *path = node; - - return e_tree_model_node_is_editable (ets->priv->source, path->corresponding, col); -} - - -/* The default for ets_duplicate_value is to return the raw value. */ -static void * -ets_duplicate_value (ETreeModel *etm, int col, const void *value) -{ - ETreeSorted *ets = E_TREE_SORTED(etm); - - return e_tree_model_duplicate_value (ets->priv->source, col, value); -} - -static void -ets_free_value (ETreeModel *etm, int col, void *value) -{ - ETreeSorted *ets = E_TREE_SORTED(etm); - - e_tree_model_free_value (ets->priv->source, col, value); -} - -static void * -ets_initialize_value (ETreeModel *etm, int col) -{ - ETreeSorted *ets = E_TREE_SORTED(etm); - - return e_tree_model_initialize_value (ets->priv->source, col); -} - -static gboolean -ets_value_is_empty (ETreeModel *etm, int col, const void *value) -{ - ETreeSorted *ets = E_TREE_SORTED(etm); - - return e_tree_model_value_is_empty (ets->priv->source, col, value); -} - -static char * -ets_value_to_string (ETreeModel *etm, int col, const void *value) -{ - ETreeSorted *ets = E_TREE_SORTED(etm); - - return e_tree_model_value_to_string (ets->priv->source, col, value); -} - - - -/* Proxy functions */ - -static void -ets_proxy_pre_change (ETreeModel *etm, ETreeSorted *ets) -{ - e_tree_model_pre_change(E_TREE_MODEL(ets)); -} - -static void -ets_proxy_no_change (ETreeModel *etm, ETreeSorted *ets) -{ - e_tree_model_no_change(E_TREE_MODEL(ets)); -} - -static void -ets_proxy_node_changed (ETreeModel *etm, ETreePath node, ETreeSorted *ets) -{ - ets->priv->last_access = NULL; - d(g_print("Setting last access %p. (ets_proxy_node_changed)\n", ets->priv->last_access)); - - if (e_tree_model_node_is_root(ets->priv->source, node)) { - ets_stop_sort_idle (ets); - - if (ets->priv->root) { - free_path(ets->priv->root); - } - ets->priv->root = new_path(NULL, node); - e_tree_model_node_changed(E_TREE_MODEL(ets), ets->priv->root); - } else { - ETreeSortedPath *path = find_path(ets, node); - - if (path) { - free_children(path); - if (!reposition_path(ets, path)) - e_tree_model_node_changed(E_TREE_MODEL(ets), path); - } - } -} - -static void -ets_proxy_node_data_changed (ETreeModel *etm, ETreePath node, ETreeSorted *ets) -{ - ETreeSortedPath *path = find_path(ets, node); - - if (path) { - if (!reposition_path(ets, path)) - e_tree_model_node_data_changed(E_TREE_MODEL(ets), path); - } else - e_tree_model_no_change(E_TREE_MODEL(ets)); -} - -static void -ets_proxy_node_col_changed (ETreeModel *etm, ETreePath node, int col, ETreeSorted *ets) -{ - ETreeSortedPath *path = find_path(ets, node); - - if (path) { - gboolean changed = FALSE; - if (e_table_sorting_utils_affects_sort(ets->priv->sort_info, ets->priv->full_header, col)) - changed = reposition_path(ets, path); - if (!changed) - e_tree_model_node_col_changed(E_TREE_MODEL(ets), path, col); - } else - e_tree_model_no_change(E_TREE_MODEL(ets)); -} - -static void -ets_proxy_node_inserted (ETreeModel *etm, ETreePath parent, ETreePath child, ETreeSorted *ets) -{ - ETreeSortedPath *parent_path = find_path(ets, parent); - - if (parent_path && parent_path->num_children != -1) { - int i; - int j; - ETreeSortedPath *path; - int position = parent_path->num_children; - ETreePath counter; - - for (counter = e_tree_model_node_get_next(etm, child); - counter; - counter = e_tree_model_node_get_next(etm, counter)) - position --; - - if (position != parent_path->num_children) { - for (i = 0; i < parent_path->num_children; i++) { - if (parent_path->children[i]->orig_position >= position) - parent_path->children[i]->orig_position++; - } - } - - i = parent_path->num_children; - path = new_path(parent_path, child); - path->orig_position = position; - if (!ETS_SORT_IDLE_ACTIVATED (ets)) { - ets->priv->insert_count++; - if (ets->priv->insert_count > ETS_INSERT_MAX) { - /* schedule a sort, and append instead */ - schedule_resort(ets, parent_path, TRUE, FALSE); - } else { - /* make sure we have an idle handler to reset the count every now and then */ - if (ets->priv->insert_idle_id == 0) { - ets->priv->insert_idle_id = g_idle_add_full(40, (GSourceFunc) ets_insert_idle, ets, NULL); - } - i = e_table_sorting_utils_tree_insert - (ets->priv->source, - ets->priv->sort_info, - ets->priv->full_header, - (ETreePath *) parent_path->children, - parent_path->num_children, - path); - } - } else { - mark_path_needs_resort(ets, parent_path, TRUE, FALSE); - } - parent_path->num_children ++; - parent_path->children = g_renew(ETreeSortedPath *, parent_path->children, parent_path->num_children); - memmove(parent_path->children + i + 1, parent_path->children + i, (parent_path->num_children - 1 - i) * sizeof(int)); - parent_path->children[i] = path; - for (j = i; j < parent_path->num_children; j++) { - parent_path->children[j]->position = j; - } - e_tree_model_node_inserted(E_TREE_MODEL(ets), parent_path, parent_path->children[i]); - } else if (ets->priv->root == NULL && parent == NULL) { - if (child) { - ets->priv->root = new_path(NULL, child); - e_tree_model_node_inserted(E_TREE_MODEL(ets), NULL, ets->priv->root); - } - } -} - -static void -ets_proxy_node_removed (ETreeModel *etm, ETreePath parent, ETreePath child, int old_position, ETreeSorted *ets) -{ - ETreeSortedPath *parent_path = find_path(ets, parent); - ETreeSortedPath *path; - - if (parent_path) - path = find_child_path(ets, parent_path, child); - else - path = find_path(ets, child); - - d(g_print("Setting last access %p. (ets_proxy_node_removed)\n ", ets->priv->last_access)); - ets->priv->last_access = NULL; - - if (path && parent_path && parent_path->num_children != -1) { - int i; - for (i = 0; i < parent_path->num_children; i++) { - if (parent_path->children[i]->orig_position > old_position) - parent_path->children[i]->orig_position --; - } - - i = path->position; - - parent_path->num_children --; - memmove(parent_path->children + i, parent_path->children + i + 1, sizeof(ETreeSortedPath *) * (parent_path->num_children - i)); - for (; i < parent_path->num_children; i++) { - parent_path->children[i]->position = i; - } - e_tree_model_node_removed(E_TREE_MODEL(ets), parent_path, path, path->position); - free_path(path); - } else if (path && path == ets->priv->root) { - ets->priv->root = NULL; - e_tree_model_node_removed(E_TREE_MODEL(ets), NULL, path, -1); - free_path(path); - } -} - -static void -ets_proxy_node_deleted (ETreeModel *etm, ETreePath child, ETreeSorted *ets) -{ - e_tree_model_node_deleted(E_TREE_MODEL(ets), NULL); -} - -static void -ets_proxy_node_request_collapse (ETreeModel *etm, ETreePath node, ETreeSorted *ets) -{ - ETreeSortedPath *path = find_path(ets, node); - e_tree_model_node_request_collapse(E_TREE_MODEL(ets), path); -} - -static void -ets_sort_info_changed (ETableSortInfo *sort_info, ETreeSorted *ets) -{ - schedule_resort(ets, ets->priv->root, TRUE, TRUE); -} - - - -/* Initialization and creation */ - -static void -e_tree_sorted_class_init (ETreeSortedClass *klass) -{ - ETreeModelClass *tree_class = E_TREE_MODEL_CLASS (klass); - GtkObjectClass *object_class = GTK_OBJECT_CLASS (klass); - - parent_class = gtk_type_class (PARENT_TYPE); - - node_chunk = g_mem_chunk_create (ETreeSortedPath, TREEPATH_CHUNK_AREA_SIZE, G_ALLOC_AND_FREE); - - klass->node_resorted = NULL; - - object_class->destroy = ets_destroy; - object_class->set_arg = ets_set_arg; - object_class->get_arg = ets_get_arg; - - tree_class->get_root = ets_get_root; - tree_class->get_parent = ets_get_parent; - tree_class->get_first_child = ets_get_first_child; - tree_class->get_last_child = ets_get_last_child; - tree_class->get_prev = ets_get_prev; - tree_class->get_next = ets_get_next; - - tree_class->is_root = ets_is_root; - tree_class->is_expandable = ets_is_expandable; - tree_class->get_children = ets_get_children; - tree_class->depth = ets_depth; - - tree_class->icon_at = ets_icon_at; - - tree_class->get_expanded_default = ets_get_expanded_default; - tree_class->column_count = ets_column_count; - - tree_class->has_save_id = ets_has_save_id; - tree_class->get_save_id = ets_get_save_id; - - tree_class->has_get_node_by_id = ets_has_get_node_by_id; - tree_class->get_node_by_id = ets_get_node_by_id; - - tree_class->has_change_pending = ets_has_change_pending; - - - - - tree_class->value_at = ets_value_at; - tree_class->set_value_at = ets_set_value_at; - tree_class->is_editable = ets_is_editable; - - tree_class->duplicate_value = ets_duplicate_value; - tree_class->free_value = ets_free_value; - tree_class->initialize_value = ets_initialize_value; - tree_class->value_is_empty = ets_value_is_empty; - tree_class->value_to_string = ets_value_to_string; - - gtk_object_add_arg_type ("ETreeSorted::sort_info", E_TABLE_SORT_INFO_TYPE, - GTK_ARG_READWRITE, ARG_SORT_INFO); - - signals [NODE_RESORTED] = - gtk_signal_new ("node_resorted", - GTK_RUN_LAST, - E_OBJECT_CLASS_TYPE (object_class), - GTK_SIGNAL_OFFSET (ETreeSortedClass, node_resorted), - gtk_marshal_NONE__POINTER, - GTK_TYPE_NONE, 1, GTK_TYPE_POINTER); - - E_OBJECT_CLASS_ADD_SIGNALS (object_class, signals, LAST_SIGNAL); -} - -static void -e_tree_sorted_init (GtkObject *object) -{ - ETreeSorted *ets = (ETreeSorted *)object; - - ETreeSortedPriv *priv; - - priv = g_new0 (ETreeSortedPriv, 1); - ets->priv = priv; - - priv->root = NULL; - priv->source = NULL; - - priv->sort_info = NULL; - priv->full_header = NULL; - - priv->last_access = 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->tree_model_node_request_collapse_id = 0; - - priv->sort_info_changed_id = 0; - priv->sort_idle_id = 0; - priv->insert_idle_id = 0; - priv->insert_count = 0; - - priv->in_resort_idle = 0; - priv->nested_resort_idle = 0; -} - -E_MAKE_TYPE(e_tree_sorted, "ETreeSorted", ETreeSorted, e_tree_sorted_class_init, e_tree_sorted_init, PARENT_TYPE) - -/** - * e_tree_sorted_construct: - * @etree: - * - * - **/ -void -e_tree_sorted_construct (ETreeSorted *ets, ETreeModel *source, ETableHeader *full_header, ETableSortInfo *sort_info) -{ - ets->priv->source = source; - if (source) - gtk_object_ref(GTK_OBJECT(source)); - - ets->priv->full_header = full_header; - if (full_header) - gtk_object_ref(GTK_OBJECT(full_header)); - - ets->priv->sort_info = sort_info; - if (sort_info) - gtk_object_ref(GTK_OBJECT(sort_info)); - - ets->priv->tree_model_pre_change_id = gtk_signal_connect (GTK_OBJECT (source), "pre_change", - GTK_SIGNAL_FUNC (ets_proxy_pre_change), ets); - ets->priv->tree_model_no_change_id = gtk_signal_connect (GTK_OBJECT (source), "no_change", - GTK_SIGNAL_FUNC (ets_proxy_no_change), ets); - ets->priv->tree_model_node_changed_id = gtk_signal_connect (GTK_OBJECT (source), "node_changed", - GTK_SIGNAL_FUNC (ets_proxy_node_changed), ets); - ets->priv->tree_model_node_data_changed_id = gtk_signal_connect (GTK_OBJECT (source), "node_data_changed", - GTK_SIGNAL_FUNC (ets_proxy_node_data_changed), ets); - ets->priv->tree_model_node_col_changed_id = gtk_signal_connect (GTK_OBJECT (source), "node_col_changed", - GTK_SIGNAL_FUNC (ets_proxy_node_col_changed), ets); - ets->priv->tree_model_node_inserted_id = gtk_signal_connect (GTK_OBJECT (source), "node_inserted", - GTK_SIGNAL_FUNC (ets_proxy_node_inserted), ets); - ets->priv->tree_model_node_removed_id = gtk_signal_connect (GTK_OBJECT (source), "node_removed", - GTK_SIGNAL_FUNC (ets_proxy_node_removed), ets); - ets->priv->tree_model_node_deleted_id = gtk_signal_connect (GTK_OBJECT (source), "node_deleted", - GTK_SIGNAL_FUNC (ets_proxy_node_deleted), ets); - ets->priv->tree_model_node_request_collapse_id = gtk_signal_connect (GTK_OBJECT (source), "node_request_collapse", - GTK_SIGNAL_FUNC (ets_proxy_node_request_collapse), ets); - - ets->priv->sort_info_changed_id = gtk_signal_connect (GTK_OBJECT (sort_info), "sort_info_changed", - GTK_SIGNAL_FUNC (ets_sort_info_changed), ets); -} - -/** - * e_tree_sorted_new - * - * FIXME docs here. - * - * return values: a newly constructed ETreeSorted. - */ -ETreeSorted * -e_tree_sorted_new (ETreeModel *source, ETableHeader *full_header, ETableSortInfo *sort_info) -{ - ETreeSorted *ets; - - ets = gtk_type_new (e_tree_sorted_get_type ()); - - e_tree_sorted_construct(ets, source, full_header, sort_info); - - return ets; -} - -ETreePath -e_tree_sorted_view_to_model_path (ETreeSorted *ets, - ETreePath view_path) -{ - ETreeSortedPath *path = view_path; - if (path) { - ets->priv->last_access = path; - d(g_print("Setting last access %p. (e_tree_sorted_view_to_model_path)\n", ets->priv->last_access)); - return path->corresponding; - } else - return NULL; -} - -ETreePath -e_tree_sorted_model_to_view_path (ETreeSorted *ets, - ETreePath model_path) -{ - return find_or_create_path(ets, model_path); -} - -int -e_tree_sorted_orig_position (ETreeSorted *ets, - ETreePath path) -{ - ETreeSortedPath *sorted_path = path; - return sorted_path->orig_position; -} - -int -e_tree_sorted_node_num_children (ETreeSorted *ets, - ETreePath path) -{ - ETreeSortedPath *sorted_path = path; - - if (sorted_path->num_children == -1) { - generate_children(ets, sorted_path); - } - - return sorted_path->num_children; -} - -void -e_tree_sorted_node_resorted (ETreeSorted *sorted, ETreePath node) -{ - g_return_if_fail (sorted != NULL); - g_return_if_fail (E_IS_TREE_SORTED (sorted)); - - gtk_signal_emit (GTK_OBJECT (sorted), - signals [NODE_RESORTED], node); -} |