/************************************************** R E M E M B E R ! *****************************************************/ /* */ /* jean@Project:~/Gem-Graph/gem-graph-client/tree (learning)/The_Gnome_way/gtk$ guix shell -m manifest.scm --check */ /* guix shell: vérification des variables d'environnement visibles depuis le shell « /gnu/store/ --- (a commit) --- /bin/bash »… */ /* guix shell: Tout va bien ! Le shell a les bonnes variables d'environnement. */ /* jean@Project:~/Gem-Graph/gem-graph-client/tree (learning)/The_Gnome_way/gtk [env] $ cd builddir/ */ /* jean@Project:~/Gem-Graph/gem-graph-client/tree (learning)/The_Gnome_way/gtk/builddir [env] $ */ /* jean@Project:~/Gem-Graph/gem-graph-client/tree...way/gtk/builddir [env] $ clear && meson compile && demos/gtk-demo/gtk4-demo */ /* */ /* -- -- -- -- -- -- -- -- -- -- -- -- -- -- -- -- A Session -- -- -- -- -- -- -- -- -- -- -- -- -- -- -- -- -- -- -- */ /* */ /* jean@Project:~/Gem-Graph/gem-graph-client/tree (learning)/The_Gnome_way/gtk/builddir [env] $ ctrl D (avant de fermer builder) */ /* */ /*************************************************************************************************************************************/ // - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - // /************************************************** <> *****************************************************/ /* */ /* https://developer-old.gnome.org/gtk4/stable/GtkTreeView.html */ /* GtkTreeViewColumn, GtkTreeSelection, GtkTreeModel, GtkTreeView drag-and-drop, GtkTreeSortable, GtkTreeModelSort, GtkListStore, */ /* GtkTreeStore, GtkCellRenderer, GtkCellEditable, GtkCellRendererPixbuf, GtkCellRendererText, GtkCellRendererToggle */ /* */ /* https://developer-old.gnome.org/gtk4/stable/GtkTreeView.html#gtk-tree-view-get-path-at-pos */ /* Finds the path at the point (x , y ), relative to bin_window coordinates. */ /* Widget-relative coordinates must be converted using gtk_tree_view_convert_widget_to_bin_window_coords(). */ /* */ /* https://www.gnu.org/software/guile-gnome/docs/gtk/html/GtkCellRenderer.html */ /* */ /*************************************************************************************************************************************/ // - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - // /******************************** S O M E L I T T L E T H I N G S T O K N O W **********************************/ /* */ /* gtk_tree_view_set_show_expanders (GTK_TREE_VIEW (treeview), TRUE); */ /* gtk_tree_view_set_headers_visible (GTK_TREE_VIEW (treeview), TRUE); */ /* gtk_widget_set_vexpand (treeview, TRUE); */ /* gtk_tree_view_set_reorderable (GTK_TREE_VIEW (treeview), TRUE); */ /* */ /*************************************************************************************************************************************/ /* The GtkTreeStore is used to store data in tree form, to be used later on by a GtkTreeView to display it. * This demo builds a simple GtkTreeStore and displays it. * If you're new to the GtkTreeView widgets and associates, look into the GtkListStore example first. */ #include #include G_GNUC_BEGIN_IGNORE_DEPRECATIONS /* TreeItem structure */ typedef struct _TreeItem TreeItem; struct _TreeItem { const char *label; TreeItem *children; }; /* columns */ enum { COLUMN_0, NUM_COLUMNS }; /* tree data */ static TreeItem N[] = { NULL }; static TreeItem M[] = { NULL }; static TreeItem L[] = {{ "M", M }, { "N", N }, { NULL }}; static TreeItem K[] = { NULL }; static TreeItem J[] = {{ "L", L }, { NULL }}; static TreeItem I[] = { NULL }; static TreeItem H[] = { NULL }; static TreeItem G[] = { NULL }; static TreeItem F[] = { NULL }; static TreeItem E[] = { NULL }; static TreeItem D[] = {{ "I", I }, { "J", J }, { "K", K }, { NULL }}; static TreeItem C[] = {{ "H", H }, { NULL }}; static TreeItem B[] = {{ "E", E }, { "F", F }, { "G", G }, { NULL }}; static TreeItem A[] = {{ "C", C }, { "D", D }, { NULL }}; static TreeItem R[] = {{ "A", A }, { "B", B }, { NULL }}; // ROOT static TreeItem O[] = {{ "R", R }, { NULL }}; // Artefact added for symmetry static void create_node(GtkTreeStore *model, GtkTreeIter *iter_children, TreeItem *item_children, GtkTreeIter *iter_parent) { gtk_tree_store_append (model, iter_children, iter_parent); gtk_tree_store_set (model, iter_children, COLUMN_0, item_children->label, -1); } static GtkTreeModel * create_model (void) { TreeItem *item_0, *item_1, *item_2, *item_3, *item_4; GtkTreeIter iter_0, iter_1, iter_2, iter_3, iter_4; GtkTreeStore *model = gtk_tree_store_new (NUM_COLUMNS, G_TYPE_STRING); if (O->children) { item_0 = O->children; while (item_0->label) { create_node(model, &iter_0, item_0, NULL); if (item_0->children) { item_1 = item_0->children; while (item_1->label) { create_node(model, &iter_1, item_1, &iter_0); if (item_1->children) { item_2 = item_1->children; while (item_2->label) { create_node(model, &iter_2, item_2, &iter_1); if (item_2->children) { item_3 = item_2->children; while (item_3->label) { create_node(model, &iter_3, item_3, &iter_2); if (item_3->children) { item_4 = item_3->children; while (item_4->label) { create_node(model, &iter_4, item_4, &iter_3); item_4++; } } item_3++; } } item_2++; } } item_1++; } } item_0++; } } return GTK_TREE_MODEL (model); } GtkWidget * do_tree_store (GtkWidget *do_widget) { static GtkWidget *window = NULL; if (!window) { GtkWidget *vbox; GtkWidget *sw; GtkWidget *treeview; GtkTreeModel *model; /* create window, etc */ window = gtk_window_new (); //gtk_window_set_display (GTK_WINDOW (window), // gtk_widget_get_display (do_widget)); gtk_window_set_title (GTK_WINDOW (window), "Tree Store"); g_object_add_weak_pointer (G_OBJECT (window), (gpointer *)&window); vbox = gtk_box_new (GTK_ORIENTATION_VERTICAL, 8); gtk_widget_set_margin_start (vbox, 8); gtk_widget_set_margin_end (vbox, 8); gtk_widget_set_margin_top (vbox, 8); gtk_widget_set_margin_bottom (vbox, 8); gtk_window_set_child (GTK_WINDOW (window), vbox); gtk_box_append (GTK_BOX (vbox), gtk_label_new ("Learning GTK trees")); sw = gtk_scrolled_window_new (); gtk_scrolled_window_set_has_frame (GTK_SCROLLED_WINDOW (sw), TRUE); gtk_scrolled_window_set_policy (GTK_SCROLLED_WINDOW (sw), GTK_POLICY_AUTOMATIC, GTK_POLICY_AUTOMATIC); gtk_box_append (GTK_BOX (vbox), sw); /* create model */ model = create_model (); /* create tree view */ treeview = gtk_tree_view_new_with_model (model); gtk_widget_set_vexpand (treeview, TRUE); gtk_tree_view_set_reorderable (GTK_TREE_VIEW (treeview), TRUE); g_object_unref (model); gtk_tree_selection_set_mode (gtk_tree_view_get_selection (GTK_TREE_VIEW (treeview)), GTK_SELECTION_MULTIPLE); GtkCellRenderer *renderer; renderer = gtk_cell_renderer_text_new (); g_object_set (renderer, "xalign", 0.0, NULL); gtk_tree_view_insert_column_with_attributes (GTK_TREE_VIEW (treeview), -1, "Col 0", renderer, "text", COLUMN_0, NULL); gtk_scrolled_window_set_child (GTK_SCROLLED_WINDOW (sw), treeview); /* expand all rows after the treeview widget has been realized */ g_signal_connect (treeview, "realize", G_CALLBACK (gtk_tree_view_expand_all), NULL); gtk_window_set_default_size (GTK_WINDOW (window), 200, 380); } if (!gtk_widget_get_visible (window)) gtk_widget_set_visible (window, TRUE); else gtk_window_destroy (GTK_WINDOW (window)); return window; }