#include #include #include "hot.h" #include "warm.h" #include "cold.h" #include "display.h" #include "contain.h" #include "texts.h" // https://docs.gtk.org/gtk4/visual_index.html < widgets gallery // https://docs.gtk.org/gtk4/section-text-widget.html // https://docs.gtk.org/gtk4/class.Widget.html#height-for-width-geometry-management // GTK_ORIENTATION_VERTICAL GTK_ORIENTATION_HORIZONTAL // Simplified TreeNode structure for demonstration purposes // -------------------------------------------------------- /* * Tree-related signals */ void on_tree_expander_toggled(GtkExpander *expander, gpointer user_data) { // This is a conceptual callback for when an expander is toggled GtkTreeListRow *row = GTK_TREE_LIST_ROW(user_data); gboolean is_expanded = gtk_tree_list_row_get_expanded(row); gtk_tree_list_row_set_expanded(row, !is_expanded); } void on_tree_setup_factory (GtkSignalListItemFactory *factory, GObject* object, gpointer user_data) { GtkWidget* expander = gtk_expander_new (NULL); gtk_list_item_set_child (GTK_LIST_ITEM(object), expander); printf("[on_tree_setup_factory] here is an expander\n"); } void on_tree_bind_factory (GtkSignalListItemFactory *factory, GObject* object, gpointer user_data) { // GObject *item; const gchar *text; GtkTreeListRow *row; GtkListItem *list_item; GtkWidget *expander; list_item= GTK_LIST_ITEM(object); row = gtk_list_item_get_item(list_item); if (row != NULL) { text = gtk_string_object_get_string(GTK_STRING_OBJECT(gtk_tree_list_row_get_item(row))); expander = gtk_list_item_get_child(list_item); gtk_expander_set_label(GTK_EXPANDER(expander), text); // Disconnect previous signal handlers to avoid stacking them g_signal_handlers_disconnect_by_func(expander, G_CALLBACK(on_tree_expander_toggled), row); // Connect the signal handler g_signal_connect(expander, "activate", G_CALLBACK(on_tree_expander_toggled), row); gtk_widget_set_margin_start(expander, gtk_tree_list_row_get_depth(row)*20); gboolean is_expanded = gtk_tree_list_row_get_expanded(row); printf("[on_tree_bind_factory] here is %s content and expander is %d\n", text, is_expanded); } else { printf("[on_tree_bind_factory] here is NON content\n"); } } void on_tree_selection_changed (GtkSelectionModel* self, guint position, guint n_items, gpointer user_data) { printf("[on_tree_selection_changed]\n"); } struct TreeNode_t { gchar *text; struct TreeNode_t *child; struct TreeNode_t *next; }; // Function to create a new TreeNode instance static struct TreeNode_t *create_tree_node (const gchar* text) { struct TreeNode_t *node = g_malloc0 (sizeof(struct TreeNode_t)); node->text = g_strdup(text); node->child = NULL; return node; } // Function to add a child node to a parent node static void add_child_node (struct TreeNode_t *parent, struct TreeNode_t *child) { struct TreeNode_t *cur; if (parent->child) { cur = parent->child; while (cur && cur->next) { cur = cur->next; } cur->next = child; } else { parent->child = child; } } // Recursive function to free a TreeNode and its children // attention: « free_tree_node » défini mais pas utilisé <<< TODO static void free_tree_node (struct TreeNode_t *node) { struct TreeNode_t *cur; struct TreeNode_t *tmp; if (!node) return; // free siblings cur = node; while (cur) { tmp = cur->next; g_free(cur); cur = tmp; } // recursive free free_tree_node(node->child); g_free(node->text); g_free(node); } // Function to simulate getting a GListModel of children for a given TreeNode GListModel* ui_tree_get_children_model (struct TreeNode_t *parent) { struct TreeNode_t *child; GtkStringList *list = NULL; if (parent) { printf("[ui_tree_get_children_model] here is %s content : ", parent->text); child = parent->child; if (child) { list = gtk_string_list_new(NULL); } while(child) { gtk_string_list_append(list, child->text); printf("%s ", child->text); child = child->next; } } printf("\n"); return G_LIST_MODEL(list); } // GtkTreeListModelCreateModelFunc callback implementation GListModel* ui_tree_create_model_func(GObject *item, gpointer root) { struct TreeNode_t *cur = (struct TreeNode_t *)root; struct TreeNode_t *parent = NULL; const gchar *string = gtk_string_object_get_string(GTK_STRING_OBJECT(item)); parent = root; while (cur) { if (strcmp(string, cur->text) == 0) { break; } cur = cur->next; if (cur == NULL) { cur = parent->child; parent = cur; } } printf("[ui_tree_create_model_func] looked for %s in %s item\n", cur->text, string); return ui_tree_get_children_model(cur); } // Application activation callback void ui_create_tree (GtkWidget *target_widget) { GtkStringList *model; GtkTreeListModel *tree_model; GtkSignalListItemFactory *factory; GtkSingleSelection *selection_model; GtkWidget *list_view; GtkScrolledWindow *scrolled_window; assert(target_widget); struct TreeNode_t *tree_root = create_tree_node("Root"); // AD HOC XXX & no free() struct TreeNode_t *ATP = create_tree_node("ATP"); add_child_node(tree_root, ATP); struct TreeNode_t *ADP = create_tree_node("ADP"); add_child_node(tree_root, ADP); struct TreeNode_t *AMP = create_tree_node("AMP"); add_child_node(tree_root, AMP); struct TreeNode_t *adenine = create_tree_node("adénine"); add_child_node(ATP, adenine); struct TreeNode_t *ribose = create_tree_node("ribose"); add_child_node(adenine, ribose); struct TreeNode_t *PO4H3_1 = create_tree_node("phosphate 1"); add_child_node(ribose, PO4H3_1); struct TreeNode_t *PO4H3_2 = create_tree_node("phosphate 2"); add_child_node(PO4H3_1, PO4H3_2); struct TreeNode_t *PO4H3_3 = create_tree_node("phosphate 3"); add_child_node(PO4H3_2, PO4H3_3); model = gtk_string_list_new(NULL); gtk_string_list_append(model, tree_root->text); // Create and setup the list view and item factory factory = GTK_SIGNAL_LIST_ITEM_FACTORY (gtk_signal_list_item_factory_new ()); g_signal_connect (factory, "setup", G_CALLBACK(on_tree_setup_factory), NULL); g_signal_connect (factory, "bind", G_CALLBACK(on_tree_bind_factory), NULL); // Create a GtkTreeListModel tree_model = gtk_tree_list_model_new( G_LIST_MODEL(model), FALSE, // Passthrough - False in actual usage with dynamic children retrieval FALSE, // autoexpand (GtkTreeListModelCreateModelFunc)ui_tree_create_model_func, tree_root, NULL //(GDestroyNotify)free_tree_node ); selection_model = gtk_single_selection_new ( G_LIST_MODEL (tree_model)); gtk_single_selection_set_autoselect (selection_model, FALSE); gtk_single_selection_set_can_unselect (selection_model, TRUE); /* g_signal_connect (selection_model, "selection-changed", */ /* G_CALLBACK(on_tree_selection_changed), NULL); */ list_view = gtk_list_view_new (GTK_SELECTION_MODEL (selection_model), GTK_LIST_ITEM_FACTORY (factory)); scrolled_window = GTK_SCROLLED_WINDOW (gtk_scrolled_window_new()); gtk_scrolled_window_set_child(scrolled_window, list_view); gtk_scrolled_window_set_policy (scrolled_window, GTK_POLICY_AUTOMATIC, GTK_POLICY_AUTOMATIC); gtk_widget_set_vexpand(GTK_WIDGET(scrolled_window), TRUE); gtk_box_append(GTK_BOX(target_widget), GTK_WIDGET(scrolled_window)); gtk_widget_set_visible(GTK_WIDGET(scrolled_window), TRUE); gtk_widget_set_visible(GTK_WIDGET(list_view), TRUE); }