#include #include /* Don't copy this bad example; inline RGB data is always a better * idea than inline XPMs. */ static char *book_closed_xpm[] = { "16 16 6 1", " c None s None", ". c black", "X c red", "o c yellow", "O c #808080", "# c white", " ", " .. ", " ..XX. ", " ..XXXXX. ", " ..XXXXXXXX. ", ".ooXXXXXXXXX. ", "..ooXXXXXXXXX. ", ".X.ooXXXXXXXXX. ", ".XX.ooXXXXXX.. ", " .XX.ooXXX..#O ", " .XX.oo..##OO. ", " .XX..##OO.. ", " .X.#OO.. ", " ..O.. ", " .. ", " " }; static GtkWidget* create_prop_editor (GObject *object); static void run_automated_tests (void); /* This custom model is to test custom model use. */ #define GTK_TYPE_MODEL_TYPES (gtk_tree_model_types_get_type ()) #define GTK_TREE_MODEL_TYPES(obj) (GTK_CHECK_CAST ((obj), GTK_TYPE_MODEL_TYPES, GtkTreeModelTypes)) #define GTK_TREE_MODEL_TYPES_CLASS(klass) (GTK_CHECK_CLASS_CAST ((klass), GTK_TYPE_MODEL_TYPES, GtkTreeModelTypesClass)) #define GTK_IS_TREE_MODEL_TYPES(obj) (GTK_CHECK_TYPE ((obj), GTK_TYPE_MODEL_TYPES)) #define GTK_IS_TREE_MODEL_TYPES_CLASS(klass) (GTK_CHECK_CLASS_TYPE ((obj), GTK_TYPE_MODEL_TYPES)) typedef struct _GtkTreeModelTypes GtkTreeModelTypes; typedef struct _GtkTreeModelTypesClass GtkTreeModelTypesClass; struct _GtkTreeModelTypes { GtkObject parent; gint stamp; }; struct _GtkTreeModelTypesClass { GtkObjectClass parent_class; guint (* get_flags) (GtkTreeModel *tree_model); gint (* get_n_columns) (GtkTreeModel *tree_model); GType (* get_column_type) (GtkTreeModel *tree_model, gint index); gboolean (* get_iter) (GtkTreeModel *tree_model, GtkTreeIter *iter, GtkTreePath *path); GtkTreePath *(* get_path) (GtkTreeModel *tree_model, GtkTreeIter *iter); void (* get_value) (GtkTreeModel *tree_model, GtkTreeIter *iter, gint column, GValue *value); gboolean (* iter_next) (GtkTreeModel *tree_model, GtkTreeIter *iter); gboolean (* iter_children) (GtkTreeModel *tree_model, GtkTreeIter *iter, GtkTreeIter *parent); gboolean (* iter_has_child) (GtkTreeModel *tree_model, GtkTreeIter *iter); gint (* iter_n_children) (GtkTreeModel *tree_model, GtkTreeIter *iter); gboolean (* iter_nth_child) (GtkTreeModel *tree_model, GtkTreeIter *iter, GtkTreeIter *parent, gint n); gboolean (* iter_parent) (GtkTreeModel *tree_model, GtkTreeIter *iter, GtkTreeIter *child); void (* ref_iter) (GtkTreeModel *tree_model, GtkTreeIter *iter); void (* unref_iter) (GtkTreeModel *tree_model, GtkTreeIter *iter); /* These will be moved into the GtkTreeModelIface eventually */ void (* changed) (GtkTreeModel *tree_model, GtkTreePath *path, GtkTreeIter *iter); void (* inserted) (GtkTreeModel *tree_model, GtkTreePath *path, GtkTreeIter *iter); void (* child_toggled) (GtkTreeModel *tree_model, GtkTreePath *path, GtkTreeIter *iter); void (* deleted) (GtkTreeModel *tree_model, GtkTreePath *path); }; GtkType gtk_tree_model_types_get_type (void); GtkTreeModelTypes *gtk_tree_model_types_new (void); typedef enum { COLUMNS_NONE, COLUMNS_ONE, COLUMNS_LOTS, COLUMNS_LAST } ColumnsType; #define N_COLUMNS 9 static GType* get_model_types (void) { static GType column_types[N_COLUMNS] = { 0 }; if (column_types[0] == 0) { column_types[0] = G_TYPE_STRING; column_types[1] = G_TYPE_STRING; column_types[2] = GDK_TYPE_PIXBUF; column_types[3] = G_TYPE_FLOAT; column_types[4] = G_TYPE_UINT; column_types[5] = G_TYPE_UCHAR; column_types[6] = G_TYPE_CHAR; column_types[7] = G_TYPE_BOOLEAN; column_types[8] = G_TYPE_INT; } return column_types; } static void set_columns_type (GtkTreeView *tree_view, ColumnsType type) { GtkTreeViewColumn *col; GtkCellRenderer *rend; col = gtk_tree_view_get_column (tree_view, 0); while (col) { gtk_tree_view_remove_column (tree_view, col); col = gtk_tree_view_get_column (tree_view, 0); } switch (type) { case COLUMNS_NONE: break; case COLUMNS_LOTS: rend = gtk_cell_renderer_text_new (); col = gtk_tree_view_column_new_with_attributes ("Column 1", rend, "text", 1, NULL); gtk_tree_view_append_column (GTK_TREE_VIEW (tree_view), col); g_object_unref (G_OBJECT (rend)); g_object_unref (G_OBJECT (col)); rend = gtk_cell_renderer_text_pixbuf_new (); col = gtk_tree_view_column_new_with_attributes ("Column 2", rend, "text", 0, "pixbuf", 2, NULL); gtk_tree_view_append_column (GTK_TREE_VIEW (tree_view), col); g_object_unref (G_OBJECT (rend)); g_object_unref (G_OBJECT (col)); /* FALL THRU */ case COLUMNS_ONE: rend = gtk_cell_renderer_text_new (); col = gtk_tree_view_column_new_with_attributes ("Column 0", rend, "text", 0, NULL); gtk_tree_view_insert_column (GTK_TREE_VIEW (tree_view), col, 0); g_object_unref (G_OBJECT (rend)); g_object_unref (G_OBJECT (col)); default: break; } } static GdkPixbuf *our_pixbuf; typedef enum { /* MODEL_TYPES, */ MODEL_TREE, MODEL_LIST, MODEL_SORTED_TREE, MODEL_SORTED_LIST, MODEL_EMPTY_LIST, MODEL_EMPTY_TREE, MODEL_NULL, MODEL_LAST } ModelType; /* FIXME add a custom model to test */ static GtkTreeModel *models[MODEL_LAST]; static const char *model_names[MODEL_LAST] = { "GtkTreeStore", "GtkListStore", "GtkTreeModelSort wrapping GtkTreeStore", "GtkTreeModelSort wrapping GtkListStore", "Empty GtkListStore", "Empty GtkTreeStore", "NULL (no model)" }; static GtkTreeModel* create_list_model (void) { GtkListStore *store; GtkTreeIter iter; gint i; GType *t; t = get_model_types (); store = gtk_list_store_new_with_types (N_COLUMNS, t[0], t[1], t[2], t[3], t[4], t[5], t[6], t[7], t[8]); i = 0; while (i < 200) { char *msg; gtk_list_store_append (store, &iter); msg = g_strdup_printf ("%d", i); gtk_list_store_set (store, &iter, 0, msg, 1, "Foo! Foo! Foo!", 2, our_pixbuf, 3, 7.0, 4, (guint) 9000, 5, 'f', 6, 'g', 7, TRUE, 8, 23245454, -1); g_free (msg); ++i; } return GTK_TREE_MODEL (store); } static void typesystem_recurse (GType type, GtkTreeIter *parent_iter, GtkTreeStore *store) { GType* children; guint n_children = 0; gint i; GtkTreeIter iter; gchar *str; gtk_tree_store_append (store, &iter, parent_iter); str = g_strdup_printf ("%d", type); gtk_tree_store_set (store, &iter, 0, str, 1, g_type_name (type), 2, our_pixbuf, 3, 7.0, 4, (guint) 9000, 5, 'f', 6, 'g', 7, TRUE, 8, 23245454, -1); g_free (str); children = g_type_children (type, &n_children); i = 0; while (i < n_children) { typesystem_recurse (children[i], &iter, store); ++i; } g_free (children); } static GtkTreeModel* create_tree_model (void) { GtkTreeStore *store; gint i; GType *t; volatile GType dummy; /* G_GNUC_CONST makes the optimizer remove * get_type calls if you don't do something * like this */ /* Make the tree more interesting */ dummy = gtk_scrolled_window_get_type (); dummy = gtk_label_get_type (); dummy = gtk_hscrollbar_get_type (); dummy = gtk_vscrollbar_get_type (); dummy = pango_layout_get_type (); t = get_model_types (); store = gtk_tree_store_new_with_types (N_COLUMNS, t[0], t[1], t[2], t[3], t[4], t[5], t[6], t[7], t[8]); i = 0; while (i < G_TYPE_LAST_RESERVED_FUNDAMENTAL) { typesystem_recurse (i, NULL, store); ++i; } return GTK_TREE_MODEL (store); } static void model_selected (GtkOptionMenu *om, gpointer data) { GtkTreeView *tree_view = GTK_TREE_VIEW (data); gint hist; hist = gtk_option_menu_get_history (om); if (models[hist] != gtk_tree_view_get_model (tree_view)) { gtk_tree_view_set_model (tree_view, models[hist]); } } int main (int argc, char **argv) { GtkWidget *window; GtkWidget *sw; GtkWidget *tv; GtkWidget *table; GtkWidget *om; GtkWidget *menu; GtkTreeModel *model; gint i; gtk_init (&argc, &argv); our_pixbuf = gdk_pixbuf_new_from_xpm_data ((const char **) book_closed_xpm); #if 0 models[MODEL_TYPES] = GTK_TREE_MODEL (gtk_tree_model_types_new ()); #endif models[MODEL_LIST] = create_list_model (); models[MODEL_TREE] = create_tree_model (); model = create_list_model (); models[MODEL_SORTED_LIST] = gtk_tree_model_sort_new_with_model (model, NULL, 0); g_object_unref (G_OBJECT (model)); model = create_tree_model (); models[MODEL_SORTED_TREE] = gtk_tree_model_sort_new_with_model (model, NULL, 0); g_object_unref (G_OBJECT (model)); models[MODEL_EMPTY_LIST] = GTK_TREE_MODEL (gtk_list_store_new ()); models[MODEL_EMPTY_TREE] = GTK_TREE_MODEL (gtk_tree_store_new ()); models[MODEL_NULL] = NULL; run_automated_tests (); menu = gtk_menu_new (); i = 0; while (i < MODEL_LAST) { GtkWidget *mi; const char *name; name = model_names[i]; mi = gtk_menu_item_new_with_label (name); gtk_menu_shell_append (GTK_MENU_SHELL (menu), mi); #if 0 window = create_prop_editor (G_OBJECT (models[i])); gtk_window_set_title (GTK_WINDOW (window), name); #endif ++i; } gtk_widget_show_all (menu); window = gtk_window_new (GTK_WINDOW_TOPLEVEL); gtk_window_set_default_size (GTK_WINDOW (window), 400, 400); table = gtk_table_new (2, 1, FALSE); gtk_container_add (GTK_CONTAINER (window), table); om = gtk_option_menu_new (); gtk_option_menu_set_menu (GTK_OPTION_MENU (om), menu); gtk_table_attach (GTK_TABLE (table), om, 0, 1, 0, 1, 0, 0, 0, 0); sw = gtk_scrolled_window_new (NULL, NULL); gtk_scrolled_window_set_policy (GTK_SCROLLED_WINDOW (sw), GTK_POLICY_AUTOMATIC, GTK_POLICY_AUTOMATIC); gtk_table_attach (GTK_TABLE (table), sw, 0, 1, 1, 2, GTK_EXPAND | GTK_FILL, GTK_EXPAND | GTK_FILL, 0, 0); tv = gtk_tree_view_new_with_model (models[0]); gtk_signal_connect (GTK_OBJECT (om), "changed", GTK_SIGNAL_FUNC (model_selected), tv); gtk_container_add (GTK_CONTAINER (sw), tv); set_columns_type (GTK_TREE_VIEW (tv), COLUMNS_LOTS); gtk_widget_show_all (window); gtk_main (); return 0; } /* * GtkTreeModelTypes */ enum { CHANGED, INSERTED, CHILD_TOGGLED, DELETED, LAST_SIGNAL }; static void gtk_tree_model_types_init (GtkTreeModelTypes *model_types); static void gtk_tree_model_types_class_init (GtkTreeModelTypesClass *class); static void gtk_tree_model_types_tree_model_init (GtkTreeModelIface *iface); static gint gtk_real_model_types_get_n_columns (GtkTreeModel *tree_model); static GType gtk_real_model_types_get_column_type (GtkTreeModel *tree_model, gint index); static GtkTreePath *gtk_real_model_types_get_path (GtkTreeModel *tree_model, GtkTreeIter *iter); static void gtk_real_model_types_get_value (GtkTreeModel *tree_model, GtkTreeIter *iter, gint column, GValue *value); static gboolean gtk_real_model_types_iter_next (GtkTreeModel *tree_model, GtkTreeIter *iter); static gboolean gtk_real_model_types_iter_children (GtkTreeModel *tree_model, GtkTreeIter *iter, GtkTreeIter *parent); static gboolean gtk_real_model_types_iter_has_child (GtkTreeModel *tree_model, GtkTreeIter *iter); static gint gtk_real_model_types_iter_n_children (GtkTreeModel *tree_model, GtkTreeIter *iter); static gboolean gtk_real_model_types_iter_nth_child (GtkTreeModel *tree_model, GtkTreeIter *iter, GtkTreeIter *parent, gint n); static gboolean gtk_real_model_types_iter_parent (GtkTreeModel *tree_model, GtkTreeIter *iter, GtkTreeIter *child); static guint model_types_signals[LAST_SIGNAL] = { 0 }; GtkType gtk_tree_model_types_get_type (void) { static GtkType model_types_type = 0; if (!model_types_type) { static const GTypeInfo model_types_info = { sizeof (GtkTreeModelTypesClass), NULL, /* base_init */ NULL, /* base_finalize */ (GClassInitFunc) gtk_tree_model_types_class_init, NULL, /* class_finalize */ NULL, /* class_data */ sizeof (GtkTreeModelTypes), 0, (GInstanceInitFunc) gtk_tree_model_types_init }; static const GInterfaceInfo tree_model_info = { (GInterfaceInitFunc) gtk_tree_model_types_tree_model_init, NULL, NULL }; model_types_type = g_type_register_static (GTK_TYPE_OBJECT, "GtkTreeModelTypes", &model_types_info, 0); g_type_add_interface_static (model_types_type, GTK_TYPE_TREE_MODEL, &tree_model_info); } return model_types_type; } GtkTreeModelTypes * gtk_tree_model_types_new (void) { GtkTreeModelTypes *retval; retval = GTK_TREE_MODEL_TYPES (g_object_new (GTK_TYPE_MODEL_TYPES, NULL)); return retval; } static void gtk_tree_model_types_class_init (GtkTreeModelTypesClass *class) { GObjectClass *object_class; object_class = (GObjectClass*) class; model_types_signals[CHANGED] = g_signal_newc ("changed", GTK_CLASS_TYPE (object_class), G_SIGNAL_RUN_FIRST, GTK_SIGNAL_OFFSET (GtkTreeModelTypesClass, changed), NULL, gtk_marshal_VOID__BOXED_BOXED, G_TYPE_NONE, 2, G_TYPE_POINTER, G_TYPE_POINTER); model_types_signals[INSERTED] = g_signal_newc ("inserted", GTK_CLASS_TYPE (object_class), G_SIGNAL_RUN_FIRST, GTK_SIGNAL_OFFSET (GtkTreeModelTypesClass, inserted), NULL, gtk_marshal_VOID__BOXED_BOXED, G_TYPE_NONE, 2, G_TYPE_POINTER, G_TYPE_POINTER); model_types_signals[CHILD_TOGGLED] = g_signal_newc ("child_toggled", GTK_CLASS_TYPE (object_class), G_SIGNAL_RUN_FIRST, GTK_SIGNAL_OFFSET (GtkTreeModelTypesClass, child_toggled), NULL, gtk_marshal_VOID__BOXED_BOXED, G_TYPE_NONE, 2, G_TYPE_POINTER, G_TYPE_POINTER); model_types_signals[DELETED] = g_signal_newc ("deleted", GTK_CLASS_TYPE (object_class), G_SIGNAL_RUN_FIRST, GTK_SIGNAL_OFFSET (GtkTreeModelTypesClass, deleted), NULL, gtk_marshal_VOID__BOXED, G_TYPE_NONE, 1, G_TYPE_POINTER); } static void gtk_tree_model_types_tree_model_init (GtkTreeModelIface *iface) { iface->get_n_columns = gtk_real_model_types_get_n_columns; iface->get_column_type = gtk_real_model_types_get_column_type; iface->get_path = gtk_real_model_types_get_path; iface->get_value = gtk_real_model_types_get_value; iface->iter_next = gtk_real_model_types_iter_next; iface->iter_children = gtk_real_model_types_iter_children; iface->iter_has_child = gtk_real_model_types_iter_has_child; iface->iter_n_children = gtk_real_model_types_iter_n_children; iface->iter_nth_child = gtk_real_model_types_iter_nth_child; iface->iter_parent = gtk_real_model_types_iter_parent; } static void gtk_tree_model_types_init (GtkTreeModelTypes *model_types) { model_types->stamp = g_random_int (); } static GType column_types[] = { G_TYPE_STRING, /* GType */ G_TYPE_STRING /* type name */ }; static gint gtk_real_model_types_get_n_columns (GtkTreeModel *tree_model) { return G_N_ELEMENTS (column_types); } static GType gtk_real_model_types_get_column_type (GtkTreeModel *tree_model, gint index) { g_return_val_if_fail (index < G_N_ELEMENTS (column_types), G_TYPE_INVALID); return column_types[index]; } #if 0 /* Use default implementation of this */ static gboolean gtk_real_model_types_get_iter (GtkTreeModel *tree_model, GtkTreeIter *iter, GtkTreePath *path) { } #endif /* The toplevel nodes of the tree are the reserved types, G_TYPE_NONE through * G_TYPE_RESERVED_FUNDAMENTAL. */ static GtkTreePath * gtk_real_model_types_get_path (GtkTreeModel *tree_model, GtkTreeIter *iter) { GtkTreePath *retval; GType type; GType parent; g_return_val_if_fail (GTK_IS_TREE_MODEL_TYPES (tree_model), NULL); g_return_val_if_fail (iter != NULL, NULL); type = GPOINTER_TO_INT (iter->user_data); retval = gtk_tree_path_new (); parent = g_type_parent (type); while (parent != G_TYPE_INVALID) { GType* children = g_type_children (parent, NULL); gint i = 0; if (!children || children[0] == G_TYPE_INVALID) { g_warning ("bad iterator?"); return NULL; } while (children[i] != type) ++i; gtk_tree_path_prepend_index (retval, i); g_free (children); type = parent; parent = g_type_parent (parent); } /* The fundamental type itself is the index on the toplevel */ gtk_tree_path_prepend_index (retval, type); return retval; } static void gtk_real_model_types_get_value (GtkTreeModel *tree_model, GtkTreeIter *iter, gint column, GValue *value) { GType type; type = GPOINTER_TO_INT (iter->user_data); switch (column) { case 0: { gchar *str; g_value_init (value, G_TYPE_STRING); str = g_strdup_printf ("%d", type); g_value_set_string (value, str); g_free (str); } break; case 1: g_value_init (value, G_TYPE_STRING); g_value_set_string (value, g_type_name (type)); break; default: g_warning ("Bad column %d requested", column); } } static gboolean gtk_real_model_types_iter_next (GtkTreeModel *tree_model, GtkTreeIter *iter) { GType parent; GType type; type = GPOINTER_TO_INT (iter->user_data); parent = g_type_parent (type); if (parent == G_TYPE_INVALID) { /* fundamental type, add 1 */ if ((type + 1) < G_TYPE_LAST_RESERVED_FUNDAMENTAL) { iter->user_data = GINT_TO_POINTER (type + 1); return TRUE; } else return FALSE; } else { GType* children = g_type_children (parent, NULL); gint i = 0; g_assert (children != NULL); while (children[i] != type) ++i; ++i; if (children[i] != G_TYPE_INVALID) { g_free (children); iter->user_data = GINT_TO_POINTER (children[i]); return TRUE; } else { g_free (children); return FALSE; } } } static gboolean gtk_real_model_types_iter_children (GtkTreeModel *tree_model, GtkTreeIter *iter, GtkTreeIter *parent) { GType type; GType* children; type = GPOINTER_TO_INT (parent->user_data); children = g_type_children (type, NULL); if (!children || children[0] == G_TYPE_INVALID) { g_free (children); return FALSE; } else { iter->user_data = GINT_TO_POINTER (children[0]); g_free (children); return TRUE; } } static gboolean gtk_real_model_types_iter_has_child (GtkTreeModel *tree_model, GtkTreeIter *iter) { GType type; GType* children; type = GPOINTER_TO_INT (iter->user_data); children = g_type_children (type, NULL); if (!children || children[0] == G_TYPE_INVALID) { g_free (children); return FALSE; } else { g_free (children); return TRUE; } } static gint gtk_real_model_types_iter_n_children (GtkTreeModel *tree_model, GtkTreeIter *iter) { if (iter == NULL) { return G_TYPE_LAST_RESERVED_FUNDAMENTAL - 1; } else { GType type; GType* children; guint n_children = 0; type = GPOINTER_TO_INT (iter->user_data); children = g_type_children (type, &n_children); g_free (children); return n_children; } } static gboolean gtk_real_model_types_iter_nth_child (GtkTreeModel *tree_model, GtkTreeIter *iter, GtkTreeIter *parent, gint n) { if (parent == NULL) { /* fundamental type */ if (n < G_TYPE_LAST_RESERVED_FUNDAMENTAL) { iter->user_data = GINT_TO_POINTER (n); return TRUE; } else return FALSE; } else { GType type = GPOINTER_TO_INT (parent->user_data); guint n_children = 0; GType* children = g_type_children (type, &n_children); if (n_children == 0) { g_free (children); return FALSE; } else if (n >= n_children) { g_free (children); return FALSE; } else { iter->user_data = GINT_TO_POINTER (children[n]); g_free (children); return TRUE; } } } static gboolean gtk_real_model_types_iter_parent (GtkTreeModel *tree_model, GtkTreeIter *iter, GtkTreeIter *child) { GType type; GType parent; type = GPOINTER_TO_INT (child->user_data); parent = g_type_parent (type); if (parent == G_TYPE_INVALID) { if (type >= G_TYPE_LAST_RESERVED_FUNDAMENTAL) g_warning ("no parent for %d %s\n", type, g_type_name (type)); return FALSE; } else { iter->user_data = GINT_TO_POINTER (parent); return TRUE; } } /* * Property editor thingy */ static void get_param_specs (GObject *object, GParamSpec ***specs, gint *n_specs) { /* Use private interface for now, fix later */ *specs = G_OBJECT_GET_CLASS (object)->property_specs; *n_specs = G_OBJECT_GET_CLASS (object)->n_property_specs; } static void g_object_connect_property (GObject *object, const gchar *prop_name, GtkSignalFunc func, gpointer data) { gchar *with_detail = g_strconcat ("notify::", prop_name, NULL); g_signal_connect_data (object, with_detail, func, data, NULL, FALSE, FALSE); g_free (with_detail); } typedef struct { GObject *obj; gchar *prop; } ObjectProperty; static void free_object_property (ObjectProperty *p) { g_free (p->prop); g_free (p); } static void connect_controller (GObject *controller, const gchar *signal, GObject *model, const gchar *prop_name, GtkSignalFunc func) { ObjectProperty *p; p = g_new (ObjectProperty, 1); p->obj = model; p->prop = g_strdup (prop_name); g_signal_connect_data (controller, signal, func, p, (GClosureNotify)free_object_property, FALSE, FALSE); } static void int_modified (GtkAdjustment *adj, gpointer data) { ObjectProperty *p = data; g_object_set (p->obj, p->prop, (int) adj->value, NULL); } static void int_changed (GObject *object, GParamSpec *pspec, gpointer data) { GtkAdjustment *adj = GTK_ADJUSTMENT (data); GValue val = { 0, }; g_value_init (&val, G_TYPE_INT); g_object_get_property (object, pspec->name, &val); if (g_value_get_int (&val) != (int)adj->value) gtk_adjustment_set_value (adj, g_value_get_int (&val)); g_value_unset (&val); } static void string_modified (GtkEntry *entry, gpointer data) { ObjectProperty *p = data; gchar *text; text = gtk_entry_get_text (entry); g_object_set (p->obj, p->prop, text, NULL); } static void string_changed (GObject *object, GParamSpec *pspec, gpointer data) { GtkEntry *entry = GTK_ENTRY (data); GValue val = { 0, }; gchar *str; gchar *text; g_value_init (&val, G_TYPE_STRING); g_object_get_property (object, pspec->name, &val); str = g_value_get_string (&val); if (str == NULL) str = ""; text = gtk_entry_get_text (entry); if (strcmp (str, text) != 0) gtk_entry_set_text (entry, str); g_value_unset (&val); } static void bool_modified (GtkToggleButton *tb, gpointer data) { ObjectProperty *p = data; g_object_set (p->obj, p->prop, (int) tb->active, NULL); } static void bool_changed (GObject *object, GParamSpec *pspec, gpointer data) { GtkToggleButton *tb = GTK_TOGGLE_BUTTON (data); GValue val = { 0, }; g_value_init (&val, G_TYPE_BOOLEAN); g_object_get_property (object, pspec->name, &val); if (g_value_get_boolean (&val) != tb->active) gtk_toggle_button_set_active (tb, g_value_get_boolean (&val)); gtk_label_set_text (GTK_LABEL (GTK_BIN (tb)->child), g_value_get_boolean (&val) ? "TRUE" : "FALSE"); g_value_unset (&val); } static void enum_modified (GtkOptionMenu *om, gpointer data) { ObjectProperty *p = data; gint i; GParamSpec *spec; GEnumClass *eclass; spec = g_object_class_find_property (G_OBJECT_GET_CLASS (p->obj), p->prop); eclass = G_ENUM_CLASS (g_type_class_peek (spec->value_type)); i = gtk_option_menu_get_history (om); g_object_set (p->obj, p->prop, eclass->values[i].value, NULL); } static void enum_changed (GObject *object, GParamSpec *pspec, gpointer data) { GtkOptionMenu *om = GTK_OPTION_MENU (data); GValue val = { 0, }; GEnumClass *eclass; gint i; eclass = G_ENUM_CLASS (g_type_class_peek (pspec->value_type)); g_value_init (&val, pspec->value_type); g_object_get_property (object, pspec->name, &val); i = 0; while (i < eclass->n_values) { if (eclass->values[i].value == g_value_get_enum (&val)) break; ++i; } if (gtk_option_menu_get_history (om) != i) gtk_option_menu_set_history (om, i); g_value_unset (&val); } static GtkWidget* create_prop_editor (GObject *object) { GtkWidget *win; GtkWidget *vbox; GtkWidget *hbox; GtkWidget *label; GtkWidget *prop_edit; GtkWidget *sw; gint n_specs = 0; GParamSpec **specs = NULL; gint i; GtkAdjustment *adj; win = gtk_window_new (GTK_WINDOW_TOPLEVEL); /* hold a strong ref to the object we're editing */ g_object_ref (G_OBJECT (object)); g_object_set_data_full (G_OBJECT (win), "model-object", object, (GDestroyNotify)g_object_unref); vbox = gtk_vbox_new (TRUE, 2); sw = gtk_scrolled_window_new (NULL, NULL); gtk_scrolled_window_set_policy (GTK_SCROLLED_WINDOW (sw), GTK_POLICY_AUTOMATIC, GTK_POLICY_AUTOMATIC); gtk_scrolled_window_add_with_viewport (GTK_SCROLLED_WINDOW (sw), vbox); gtk_container_add (GTK_CONTAINER (win), sw); get_param_specs (object, &specs, &n_specs); i = 0; while (i < n_specs) { GParamSpec *spec = specs[i]; gboolean can_modify; prop_edit = NULL; can_modify = ((spec->flags & G_PARAM_WRITABLE) != 0 && (spec->flags & G_PARAM_CONSTRUCT_ONLY) == 0); if ((spec->flags & G_PARAM_READABLE) == 0) { /* can't display unreadable properties */ ++i; continue; } switch (spec->value_type) { case G_TYPE_INT: hbox = gtk_hbox_new (FALSE, 10); label = gtk_label_new (spec->nick); gtk_misc_set_alignment (GTK_MISC (label), 0.0, 0.5); gtk_box_pack_start (GTK_BOX (hbox), label, FALSE, FALSE, 0); adj = GTK_ADJUSTMENT (gtk_adjustment_new (G_PARAM_SPEC_INT (spec)->default_value, G_PARAM_SPEC_INT (spec)->minimum, G_PARAM_SPEC_INT (spec)->maximum, 1, MAX ((G_PARAM_SPEC_INT (spec)->maximum - G_PARAM_SPEC_INT (spec)->minimum) / 10, 1), 0.0)); prop_edit = gtk_spin_button_new (adj, 1.0, 0); gtk_box_pack_end (GTK_BOX (hbox), prop_edit, FALSE, FALSE, 0); gtk_box_pack_start (GTK_BOX (vbox), hbox, FALSE, FALSE, 0); g_object_connect_property (object, spec->name, GTK_SIGNAL_FUNC (int_changed), adj); if (can_modify) connect_controller (G_OBJECT (adj), "value_changed", object, spec->name, (GtkSignalFunc) int_modified); break; case G_TYPE_STRING: hbox = gtk_hbox_new (FALSE, 10); label = gtk_label_new (spec->nick); gtk_misc_set_alignment (GTK_MISC (label), 0.0, 0.5); gtk_box_pack_start (GTK_BOX (hbox), label, FALSE, FALSE, 0); prop_edit = gtk_entry_new (); gtk_box_pack_end (GTK_BOX (hbox), prop_edit, FALSE, FALSE, 0); gtk_box_pack_start (GTK_BOX (vbox), hbox, FALSE, FALSE, 0); g_object_connect_property (object, spec->name, GTK_SIGNAL_FUNC (string_changed), prop_edit); if (can_modify) connect_controller (G_OBJECT (prop_edit), "changed", object, spec->name, (GtkSignalFunc) string_modified); break; case G_TYPE_BOOLEAN: hbox = gtk_hbox_new (FALSE, 10); label = gtk_label_new (spec->nick); gtk_misc_set_alignment (GTK_MISC (label), 0.0, 0.5); gtk_box_pack_start (GTK_BOX (hbox), label, FALSE, FALSE, 0); prop_edit = gtk_toggle_button_new_with_label (""); gtk_box_pack_end (GTK_BOX (hbox), prop_edit, FALSE, FALSE, 0); gtk_box_pack_start (GTK_BOX (vbox), hbox, FALSE, FALSE, 0); g_object_connect_property (object, spec->name, GTK_SIGNAL_FUNC (bool_changed), prop_edit); if (can_modify) connect_controller (G_OBJECT (prop_edit), "toggled", object, spec->name, (GtkSignalFunc) bool_modified); break; default: if (g_type_is_a (spec->value_type, G_TYPE_ENUM)) { GtkWidget *menu; GEnumClass *eclass; gint i; hbox = gtk_hbox_new (FALSE, 10); label = gtk_label_new (spec->nick); gtk_misc_set_alignment (GTK_MISC (label), 0.0, 0.5); gtk_box_pack_start (GTK_BOX (hbox), label, FALSE, FALSE, 0); prop_edit = gtk_option_menu_new (); menu = gtk_menu_new (); eclass = G_ENUM_CLASS (g_type_class_peek (spec->value_type)); i = 0; while (i < eclass->n_values) { GtkWidget *mi; mi = gtk_menu_item_new_with_label (eclass->values[i].value_name); gtk_widget_show (mi); gtk_menu_shell_append (GTK_MENU_SHELL (menu), mi); ++i; } gtk_option_menu_set_menu (GTK_OPTION_MENU (prop_edit), menu); gtk_box_pack_end (GTK_BOX (hbox), prop_edit, FALSE, FALSE, 0); gtk_box_pack_start (GTK_BOX (vbox), hbox, FALSE, FALSE, 0); g_object_connect_property (object, spec->name, GTK_SIGNAL_FUNC (enum_changed), prop_edit); if (can_modify) connect_controller (G_OBJECT (prop_edit), "changed", object, spec->name, (GtkSignalFunc) enum_modified); } else { gchar *msg = g_strdup_printf ("%s: don't know how to edit type %s", spec->nick, g_type_name (spec->value_type)); hbox = gtk_hbox_new (FALSE, 10); label = gtk_label_new (msg); g_free (msg); gtk_misc_set_alignment (GTK_MISC (label), 0.0, 0.5); gtk_box_pack_start (GTK_BOX (hbox), label, FALSE, FALSE, 0); gtk_box_pack_start (GTK_BOX (vbox), hbox, FALSE, FALSE, 0); } break; } if (prop_edit) { if (!can_modify) gtk_widget_set_sensitive (prop_edit, FALSE); /* set initial value */ g_object_notify (object, spec->name); } ++i; } gtk_window_set_default_size (GTK_WINDOW (win), 300, 500); gtk_widget_show_all (win); return win; } /* * Automated testing */ static void run_automated_tests (void) { /* FIXME TreePath basic verification */ /* FIXME consistency checks on the models */ }