From fde2d4594fc71a5a431d7ceab6bdea5dfe7ed3c9 Mon Sep 17 00:00:00 2001 From: Jean Sirmai Date: Mon, 1 Jan 2024 23:39:56 +0100 Subject: [PATCH] WIP: on simplifie avant de repartir. --- demos/gtk-demo/tree_store.c | 164 +++--------------------------------- 1 file changed, 13 insertions(+), 151 deletions(-) diff --git a/demos/gtk-demo/tree_store.c b/demos/gtk-demo/tree_store.c index 2e5baba..36f6dba 100644 --- a/demos/gtk-demo/tree_store.c +++ b/demos/gtk-demo/tree_store.c @@ -25,6 +25,7 @@ /* It provides a way to specify how temporary widgets should be configured for editing, get the new value, etc. */ /* _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ */ /* _ _ _ _ _ _ _ _ _ _ _ _ _ _ T R E E _ _ _ _ _ _ _ _ _ _ _ _ _ _ */ +/* https://toshiocp.github.io/Gtk4-tutorial/sec29.html <<< TODO */ /* https://docs.gtk.org/gtk4/ */ /* https://docs.gtk.org/gtk4/section-list-widget.html << (see below the "quick comparison chart of equivalent functionalities") */ /* https://docs.gtk.org/gtk4/class.TreeListModel.html */ @@ -41,6 +42,9 @@ /* */ /****************************************************************************************************************************************/ +// ? utile ? +// gtk_tree_model_foreach (model, TRUE, my_user_data); https://developer-old.gnome.org/gtk4/stable/GtkTreeModel.html#GtkTreeModelForeachFunc + /* ... Finally here’s a quick comparison chart of equivalent functionalitqy @@ -104,6 +108,10 @@ * * Widgets are styleable using GTK CSS. Use the .rich-list style class. * + * + * GListModel is an interface that represents a mutable list of GObjects. + * https://gnome.pages.gitlab.gnome.org/libsoup/gio/GListModel.html + * *............................................................................*/ @@ -111,6 +119,7 @@ #include #include "config.h" #include "custom-list.h" +#include G_GNUC_BEGIN_IGNORE_DEPRECATIONS @@ -120,104 +129,6 @@ enum NUM_COLUMNS }; -static GObjectClass *parent_class = NULL; /* GObject stuff - nothing to worry about */ -static void custom_list_finalize (GObject *object); - -static void -custom_list_class_init (CustomListClass *klass) -{ - GObjectClass *object_class; - - parent_class = (GObjectClass*) g_type_class_peek_parent (klass); - object_class = (GObjectClass*) klass; - - - object_class->finalize = custom_list_finalize; -} - - -static void -custom_list_tree_model_init (GtkTreeModelIface *iface) -{ - /* Here we override the GtkTreeModel - * interface functions that we implement */ - iface->get_flags = NULL; // custom_list_get_flags; - iface->get_n_columns = NULL; // custom_list_get_n_columns; - iface->get_column_type = NULL; // custom_list_get_column_type; - iface->get_iter = NULL; // custom_list_get_iter; - iface->get_path = NULL; // custom_list_get_path; - iface->get_value = NULL; // custom_list_get_value; - iface->iter_next = NULL; // custom_list_iter_next; - iface->iter_children = NULL; // custom_list_iter_children; - iface->iter_has_child = NULL; // custom_list_iter_has_child; - iface->iter_n_children = NULL; // custom_list_iter_n_children; - iface->iter_nth_child = NULL; // custom_list_iter_nth_child; - iface->iter_parent = NULL; // custom_list_iter_parent; -} - -// gtk_tree_model_foreach (model, TRUE, my_user_data); https://developer-old.gnome.org/gtk4/stable/GtkTreeModel.html#GtkTreeModelForeachFunc -static void iterating_a_model_in_a_depth_first_fashion (GtkTreeModel *model) -{ - // gboolean (*GtkTreeModelForeachFunc) (GtkTreeModel *model, GtkTreePath *path, GtkTreeIter *iter, gpointer data); - GtkTreeIter iter, iter_parent; - char *str_data; - int row_count = 0; - - gtk_tree_model_get_iter_first (model, &iter); - gtk_tree_model_get (model, &iter, STRING_COLUMN, &str_data, -1); - g_print ("first row %d: (%s)\n", row_count, str_data); - - /* gtk_tree_model_iter_children (model, &iter_parent, &iter); */ - /* gtk_tree_model_iter_children (model, &iter, &iter_parent); // Sets iter to point to the first child of parent. */ - /* //gtk_tree_model_iter_next (model, &iter); */ - /* gtk_tree_model_get (model, &iter, STRING_COLUMN, &str_data, -1); */ - /* g_print ("next row %d: (%s) < False (should be 'A' <-- line 104)\n", row_count, str_data); */ - - /* while (valid) first row 0: (ROOT) next row 0: (D)*/ - /* { */ - /* char *str_data; */ - /* // Make sure you terminate calls to gtk_tree_model_get() with a “-1” value */ - /* gtk_tree_model_get (model, &iter, STRING_COLUMN, &str_data, -1); */ - /* g_print ("Row %d: (%s) <> gtk_tree_model_get_iter_first (model, &iter) &iter = [%s] (line 67) ", row_count, str_data, "xxx");//&iter); */ - /* g_free (str_data); */ - /* valid = gtk_tree_model_iter_next (model, &iter); */ - /* // valid = gtk_tree_model_iter_children (model, &iter, parent); << how to get the parent ?? */ - /* g_print ("valid = %d = gtk_tree_model_iter_next (model, &iter) %s (line 69)\n",\ */ - /* valid, gtk_tree_model_get_string_from_iter (model, &iter)); */ - /* row_count++; */ - /* } */ -} - -static void /* https://developer-old.gnome.org/gtk4/stable/GtkTreeModel.html#GtkTreePath-struct and #gtk-tree-row-reference-new */ -gtk_tree_model_get_data_from_iter (GtkTreeModel *my_tree_model, - GtkCellEditable *cell_editable, - GtkTreeIter *my_iter, - GdkEvent *event, - GtkTreePath *my_path) -{ - char *str_data; - - gtk_tree_model_get_iter (my_tree_model, &my_iter, my_path); - gtk_tree_model_get (my_tree_model, &my_iter, STRING_COLUMN, &str_data, -1); - g_print ("row from iter at [ %s ] = '%s'\n",\ - gtk_tree_model_get_string_from_iter(my_tree_model, &my_iter), str_data); - gtk_tree_path_free (my_path); -} - - -static void /* https://developer-old.gnome.org/gtk4/stable/GtkTreeModel.html#GtkTreePath-struct and #gtk-tree-row-reference-new */ -gtk_tree_model_edit_a_cell (GtkTreeModel *my_tree_model, - GtkCellEditable *cell_editable, - GtkTreeIter *my_iter, - GdkEvent *event, - GtkTreePath *my_path) -{ - gtk_tree_model_get (my_tree_model, my_iter); // Gets the value of one or more cells in the row referenced by iter - gtk_cell_editable_start_editing (cell_editable, event); // Begins editing on a cell_editable . - gtk_cell_editable_editing_done (cell_editable); // Emits the “editing-done” signal. - gtk_tree_model_row_deleted (my_tree_model, my_path); // Emits the “row-deleted” signal on tree_model . - gtk_tree_model_row_inserted (my_tree_model, my_path, my_iter); // Emits the “row-inserted” signal on tree_model . -} /* TreeItem structure */ typedef struct _TreeItem TreeItem; @@ -268,40 +179,6 @@ static GtkTreeModel *create_node_recursive (GtkTreeStore *model, } -/* static GListModel *create_node_recursive (GTreeListModel *model, */ -/* guint current_position, */ -/* TreeItem *current_item, */ -/* guint parent_position, */ -/* int depth) */ -/* { */ -/* if (model == NULL) */ -/* model = gtk_tree_list_model_new (GListModel* root, */ -/* gboolean passthrough, */ -/* gboolean autoexpand, */ -/* GtkTreeListModelCreateModelFunc create_func, */ -/* gpointer user_data, */ -/* GDestroyNotify user_destroy */ -/* ); */ - -/* while (current_item->label) { */ -/* if (0) printf("[%d] Current label : %s\n", depth, current_item->label); */ -/* gtk_tree_store_append (model, &iter, iter_parent); */ -/* gtk_tree_store_set (model, &iter, STRING_COLUMN, current_item->label, -1); */ - -/* if (current_item->children) */ -/* create_node_recursive (model, current_item->children, &iter, depth + 1); */ -/* else */ -/* break; */ - -/* current_item++; */ -/* } */ - -/* if (depth == 0) */ -/* return GTK_TREE_MODEL(model); // cast from GtkTreeModel to GtkTreeStore */ -/* else */ -/* return NULL; */ -/* } */ - GtkWidget * do_tree_store (GtkWidget *do_widget) @@ -313,19 +190,9 @@ do_tree_store (GtkWidget *do_widget) GtkWidget *vbox; GtkWidget *sw; // sw : 'scrolled_window' GtkWidget *treeview; - GtkTreeModel *my_tree_model; ///// - GListModel *my_list_model; - GtkTreeStore *my_tree_store = NULL; ///// - GtkTreeListModel *my_tree_list_model; - - char *my_str_data = "A"; - GListStore *my_g_list_store = g_list_store_new (my_str_data); - g_list_store_append (my_g_list_store, "C"); - g_list_store_insert (my_g_list_store, "B", 1); - printf("Item : 'C' find in my_g_list_store at position 2 = %d\n",\ - g_list_store_find (my_g_list_store, "C", 2)); - g_list_store_remove (my_g_list_store, 0); - g_list_store_remove_all (my_g_list_store); + GtkTreeModel *my_tree_model; // TODO replace by : GListModel *my_list_model; + GtkTreeStore *my_tree_store = NULL; // TODO replace by : GtkTreeListModel *my_tree_list_model; + // https://docs.gtk.org/gio/property.ListStore.n-items.html /* create window, etc */ my_window = gtk_window_new (); @@ -350,12 +217,6 @@ do_tree_store (GtkWidget *do_widget) /* create tree_model */ my_tree_model = create_node_recursive (my_tree_store, O, NULL, 0); - // my_list_model = create_node_recursive (my_tree_list_model, O, NULL, 0); - iterating_a_model_in_a_depth_first_fashion (my_tree_model); - // GtkTreePath *my_path = gtk_tree_path_new_from_string ("0:0:1:0:1"); - // acquiring_a_GtkTreeIter (my_tree_model, my_path); - // GtkTreeIter *my_iter; - // gtk_tree_model_get_data_from_iter (my_tree_model, NULL, my_iter, NULL, gtk_tree_path_new_from_string ("0:0:0:1:0:1")); /* create tree view */ treeview = gtk_tree_view_new_with_model (my_tree_model); @@ -387,3 +248,4 @@ do_tree_store (GtkWidget *do_widget) return my_window; } +