/* Tree View/List Store * * The GtkListStore is used to store data in list form, to be used * later on by a GtkTreeView to display it. This demo builds a * simple GtkListStore and displays it. * */ #include static GtkWidget *window = NULL; static GtkTreeModel *model = NULL; static guint timeout = 0; typedef struct { const gboolean fixed; const guint number; const char *severity; const char *description; } Bug; enum { COLUMN_FIXED, COLUMN_NUMBER, COLUMN_SEVERITY, COLUMN_DESCRIPTION, COLUMN_PULSE, COLUMN_ICON, COLUMN_ACTIVE, COLUMN_SENSITIVE, NUM_COLUMNS }; static Bug bugs[] = { { FALSE, 60482, "Normal", "scrollable notebooks and hidden tabs" }, { FALSE, 60620, "Critical", "gdk_surface_clear_area (gdksurface-win32.c) is not thread-safe" }, { FALSE, 50214, "Major", "Xft support does not clean up correctly" }, { TRUE, 52877, "Major", "GtkFileSelection needs a refresh method. " }, { FALSE, 56070, "Normal", "Can't click button after setting in sensitive" }, { TRUE, 56355, "Normal", "GtkLabel - Not all changes propagate correctly" }, { FALSE, 50055, "Normal", "Rework width/height computations for TreeView" }, { FALSE, 58278, "Normal", "gtk_dialog_set_response_sensitive () doesn't work" }, { FALSE, 55767, "Normal", "Getters for all setters" }, { FALSE, 56925, "Normal", "Gtkcalender size" }, { FALSE, 56221, "Normal", "Selectable label needs right-click copy menu" }, { TRUE, 50939, "Normal", "Add shift clicking to GtkTextView" }, { FALSE, 6112, "Enhancement","netscape-like collapsable toolbars" }, { FALSE, 1, "Normal", "First bug :=)" }, }; static gboolean spinner_timeout (gpointer data) { GtkTreeIter iter; guint pulse; if (model == NULL) return G_SOURCE_REMOVE; gtk_tree_model_get_iter_first (model, &iter); gtk_tree_model_get (model, &iter, COLUMN_PULSE, &pulse, -1); if (pulse == G_MAXUINT) pulse = 0; else pulse++; gtk_list_store_set (GTK_LIST_STORE (model), &iter, COLUMN_PULSE, pulse, COLUMN_ACTIVE, TRUE, -1); return G_SOURCE_CONTINUE; } static GtkTreeModel * create_model (void) { gint i = 0; GtkListStore *store; GtkTreeIter iter; /* create list store */ store = gtk_list_store_new (NUM_COLUMNS, G_TYPE_BOOLEAN, G_TYPE_UINT, G_TYPE_STRING, G_TYPE_STRING, G_TYPE_UINT, G_TYPE_STRING, G_TYPE_BOOLEAN, G_TYPE_BOOLEAN); /* add data to the list store */ for (i = 0; i < G_N_ELEMENTS (bugs); i++) { const char *icon_name; gboolean sensitive; if (i == 1 || i == 3) icon_name = "battery-caution-charging-symbolic"; else icon_name = NULL; if (i == 3) sensitive = FALSE; else sensitive = TRUE; gtk_list_store_append (store, &iter); gtk_list_store_set (store, &iter, COLUMN_FIXED, bugs[i].fixed, COLUMN_NUMBER, bugs[i].number, COLUMN_SEVERITY, bugs[i].severity, COLUMN_DESCRIPTION, bugs[i].description, COLUMN_PULSE, 0, COLUMN_ICON, icon_name, COLUMN_ACTIVE, FALSE, COLUMN_SENSITIVE, sensitive, -1); } return GTK_TREE_MODEL (store); } static void fixed_toggled (GtkCellRendererToggle *cell, char *path_str, gpointer data) { GtkTreeModel *tree_model = (GtkTreeModel *)data; GtkTreeIter iter; GtkTreePath *path = gtk_tree_path_new_from_string (path_str); gboolean fixed; /* get toggled iter */ gtk_tree_model_get_iter (tree_model, &iter, path); gtk_tree_model_get (tree_model, &iter, COLUMN_FIXED, &fixed, -1); /* do something with the value */ fixed ^= 1; /* set new value */ gtk_list_store_set (GTK_LIST_STORE (tree_model), &iter, COLUMN_FIXED, fixed, -1); /* clean up */ gtk_tree_path_free (path); } static void add_columns (GtkTreeView *treeview) { GtkCellRenderer *renderer; GtkTreeViewColumn *column; /* column for fixed toggles */ renderer = gtk_cell_renderer_toggle_new (); g_signal_connect (renderer, "toggled", G_CALLBACK (fixed_toggled), model); column = gtk_tree_view_column_new_with_attributes ("Fixed?", renderer, "active", COLUMN_FIXED, NULL); /* set this column to a fixed sizing (of 50 pixels) */ gtk_tree_view_column_set_sizing (GTK_TREE_VIEW_COLUMN (column), GTK_TREE_VIEW_COLUMN_FIXED); gtk_tree_view_column_set_fixed_width (GTK_TREE_VIEW_COLUMN (column), 50); gtk_tree_view_append_column (treeview, column); /* column for bug numbers */ renderer = gtk_cell_renderer_text_new (); column = gtk_tree_view_column_new_with_attributes ("Bug number", renderer, "text", COLUMN_NUMBER, NULL); gtk_tree_view_column_set_sort_column_id (column, COLUMN_NUMBER); gtk_tree_view_append_column (treeview, column); /* column for severities */ renderer = gtk_cell_renderer_text_new (); column = gtk_tree_view_column_new_with_attributes ("Severity", renderer, "text", COLUMN_SEVERITY, NULL); gtk_tree_view_column_set_sort_column_id (column, COLUMN_SEVERITY); gtk_tree_view_append_column (treeview, column); /* column for description */ renderer = gtk_cell_renderer_text_new (); column = gtk_tree_view_column_new_with_attributes ("Description", renderer, "text", COLUMN_DESCRIPTION, NULL); gtk_tree_view_column_set_sort_column_id (column, COLUMN_DESCRIPTION); gtk_tree_view_append_column (treeview, column); /* column for spinner */ renderer = gtk_cell_renderer_spinner_new (); column = gtk_tree_view_column_new_with_attributes ("Spinning", renderer, "pulse", COLUMN_PULSE, "active", COLUMN_ACTIVE, NULL); gtk_tree_view_column_set_sort_column_id (column, COLUMN_PULSE); gtk_tree_view_append_column (treeview, column); /* column for symbolic icon */ renderer = gtk_cell_renderer_pixbuf_new (); column = gtk_tree_view_column_new_with_attributes ("Symbolic icon", renderer, "icon-name", COLUMN_ICON, "sensitive", COLUMN_SENSITIVE, NULL); gtk_tree_view_column_set_sort_column_id (column, COLUMN_ICON); gtk_tree_view_append_column (treeview, column); } static gboolean window_closed (GtkWidget *widget, GdkEvent *event, gpointer user_data) { model = NULL; window = NULL; if (timeout != 0) { g_source_remove (timeout); timeout = 0; } return FALSE; } GtkWidget * do_list_store (GtkWidget *do_widget) { if (!window) { GtkWidget *vbox; GtkWidget *label; GtkWidget *sw; GtkWidget *treeview; /* 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), "List 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); label = gtk_label_new ("This is the bug list (note: not based on real data, it would be nice to have a nice ODBC interface to bugzilla or so, though)."); gtk_box_append (GTK_BOX (vbox), label); sw = gtk_scrolled_window_new (NULL, NULL); gtk_scrolled_window_set_has_frame (GTK_SCROLLED_WINDOW (sw), TRUE); gtk_scrolled_window_set_policy (GTK_SCROLLED_WINDOW (sw), GTK_POLICY_NEVER, GTK_POLICY_AUTOMATIC); gtk_box_append (GTK_BOX (vbox), sw); /* create tree 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_search_column (GTK_TREE_VIEW (treeview), COLUMN_DESCRIPTION); g_object_unref (model); gtk_scrolled_window_set_child (GTK_SCROLLED_WINDOW (sw), treeview); /* add columns to the tree view */ add_columns (GTK_TREE_VIEW (treeview)); /* finish & show */ gtk_window_set_default_size (GTK_WINDOW (window), 280, 250); g_signal_connect (window, "destroy", G_CALLBACK (window_closed), NULL); } if (!gtk_widget_get_visible (window)) { gtk_widget_show (window); if (timeout == 0) { /* FIXME this should use the animation-duration instead */ timeout = g_timeout_add (80, spinner_timeout, NULL); } } else { gtk_window_destroy (GTK_WINDOW (window)); window = NULL; if (timeout != 0) { g_source_remove (timeout); timeout = 0; } } return window; }