/************************************************** 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) */ /* */ /*************************************************************************************************************************************/ /* 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; gboolean AA; gboolean CC; TreeItem *children; }; /* columns */ enum { COLUMN_0, COLUMN_1, VISIBLE_COLUMN, WORLD_COLUMN, NUM_COLUMNS }; /* tree data */ static TreeItem item_name_0[] = { { "A", TRUE, TRUE, NULL }, { "B", FALSE, TRUE, NULL }, { "C", FALSE, TRUE, NULL }, { NULL } }; static TreeItem item_name_1[] = { { "A", FALSE, TRUE, NULL }, { "B", FALSE, FALSE, NULL }, { "C", FALSE, TRUE, NULL }, { "D", FALSE, TRUE, NULL }, { NULL } }; static TreeItem item_name_2[] = { { "A", FALSE, FALSE, NULL }, { "B", FALSE, TRUE, NULL }, { NULL } }; static TreeItem root[] = { { "IT-0", FALSE, FALSE, item_name_0 }, { "IT-1", FALSE, FALSE, item_name_1 }, { "IT-2", FALSE, FALSE, item_name_2 }, { NULL } }; static GtkTreeModel * create_model (void) { GtkTreeStore *model; GtkTreeIter iter; TreeItem *item_0 = root; /* create tree store */ model = gtk_tree_store_new (NUM_COLUMNS, G_TYPE_STRING, G_TYPE_BOOLEAN, G_TYPE_BOOLEAN, G_TYPE_BOOLEAN, G_TYPE_BOOLEAN); /* add data to the tree store */ while (item_0->label) { TreeItem *item_1 = item_0->children; gtk_tree_store_append (model, &iter, NULL); gtk_tree_store_set (model, &iter, COLUMN_0, item_0->label, COLUMN_1, FALSE, VISIBLE_COLUMN, FALSE, WORLD_COLUMN, FALSE, -1); /* add children */ while (item_1->label) { GtkTreeIter child_iter; gtk_tree_store_append (model, &child_iter, &iter); gtk_tree_store_set (model, &child_iter, COLUMN_0, item_1->label, COLUMN_1, item_1->AA, VISIBLE_COLUMN, TRUE, WORLD_COLUMN, item_1->CC, -1); item_1++; } item_0++; } return GTK_TREE_MODEL (model); } static void // https://www.gnu.org/software/guile-gnome/docs/gtk/html/GtkCellRendererToggle.html item_toggled (GtkCellRendererToggle *cell, char *path_str, gpointer data) { GtkTreeModel *model = (GtkTreeModel *)data; GtkTreePath *path = gtk_tree_path_new_from_string (path_str); GtkTreeIter iter; gboolean toggle_item; int *column; column = g_object_get_data (G_OBJECT (cell), "column"); /* get toggled iter */ gtk_tree_model_get_iter (model, &iter, path); gtk_tree_model_get (model, &iter, column, &toggle_item, -1); /* do something with the value */ toggle_item ^= 1; /* set new value */ gtk_tree_store_set (GTK_TREE_STORE (model), &iter, column, toggle_item, -1); /* clean up */ gtk_tree_path_free (path); } static void add_columns (GtkTreeView *treeview) { int col_offset; GtkCellRenderer *renderer; // GtkTreeViewColumn *column; GtkTreeModel *model = gtk_tree_view_get_model (treeview); /* column for item_1 names */ renderer = gtk_cell_renderer_text_new (); g_object_set (renderer, "xalign", 0.0, NULL); col_offset = gtk_tree_view_insert_column_with_attributes (GTK_TREE_VIEW (treeview), -1, "Col 0", renderer, "text", COLUMN_0, NULL); /* column = */ gtk_tree_view_get_column (GTK_TREE_VIEW (treeview), col_offset - 1); // gtk_tree_view_column_set_clickable (GTK_TREE_VIEW_COLUMN (column), TRUE); /* AA column */ renderer = gtk_cell_renderer_toggle_new (); g_object_set (renderer, "xalign", 0.0, NULL); g_object_set_data (G_OBJECT (renderer), "column", (int *)COLUMN_1); // g_signal_connect (renderer, "toggled", G_CALLBACK (item_toggled), model); col_offset = gtk_tree_view_insert_column_with_attributes (GTK_TREE_VIEW (treeview), -1, "Col 1", renderer, "active", COLUMN_1, "visible", VISIBLE_COLUMN, "activatable", WORLD_COLUMN, NULL); /* column = */ gtk_tree_view_get_column (GTK_TREE_VIEW (treeview), col_offset - 1); // gtk_tree_view_column_set_sizing (GTK_TREE_VIEW_COLUMN (column), GTK_TREE_VIEW_COLUMN_FIXED); // gtk_tree_view_column_set_clickable (GTK_TREE_VIEW_COLUMN (column), TRUE); /* column = */ gtk_tree_view_get_column (GTK_TREE_VIEW (treeview), col_offset - 1); // gtk_tree_view_column_set_sizing (GTK_TREE_VIEW_COLUMN (column), GTK_TREE_VIEW_COLUMN_FIXED); // gtk_tree_view_column_set_clickable (GTK_TREE_VIEW_COLUMN (column), TRUE); } 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); g_object_unref (model); gtk_tree_selection_set_mode (gtk_tree_view_get_selection (GTK_TREE_VIEW (treeview)), GTK_SELECTION_MULTIPLE); add_columns (GTK_TREE_VIEW (treeview)); 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, 350); } if (!gtk_widget_get_visible (window)) gtk_widget_set_visible (window, TRUE); else gtk_window_destroy (GTK_WINDOW (window)); return window; }