/* -*- Mode: C; indent-tabs-mode: t; c-basic-offset: 8; tab-width: 8 -*- */ /* caja-column-chooser.h - A column chooser widget Copyright (C) 2004 Novell, Inc. The Mate Library is free software; you can redistribute it and/or modify it under the terms of the GNU Library General Public License as published by the Free Software Foundation; either version 2 of the License, or (at your option) any later version. The Mate Library is distributed in the hope that it will be useful, but WITHOUT ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU Library General Public License for more details. You should have received a copy of the GNU Library General Public License along with the Mate Library; see the column COPYING.LIB. If not, write to the Free Software Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301, USA. Authors: Dave Camp <dave@ximian.com> */ #include <config.h> #include "caja-column-chooser.h" #include <string.h> #include <gtk/gtk.h> #include <glib/gi18n.h> #include "caja-column-utilities.h" struct _CajaColumnChooserDetails { GtkTreeView *view; GtkListStore *store; GtkWidget *move_up_button; GtkWidget *move_down_button; GtkWidget *use_default_button; CajaFile *file; }; enum { COLUMN_VISIBLE, COLUMN_LABEL, COLUMN_NAME, NUM_COLUMNS }; enum { PROP_FILE = 1, NUM_PROPERTIES }; enum { CHANGED, USE_DEFAULT, LAST_SIGNAL }; static guint signals[LAST_SIGNAL]; G_DEFINE_TYPE(CajaColumnChooser, caja_column_chooser, GTK_TYPE_HBOX); static void caja_column_chooser_constructed (GObject *object); static void caja_column_chooser_set_property (GObject *object, guint param_id, const GValue *value, GParamSpec *pspec) { CajaColumnChooser *chooser; chooser = CAJA_COLUMN_CHOOSER (object); switch (param_id) { case PROP_FILE: chooser->details->file = g_value_get_object (value); break; default: G_OBJECT_WARN_INVALID_PROPERTY_ID (object, param_id, pspec); break; } } static void caja_column_chooser_class_init (CajaColumnChooserClass *chooser_class) { GObjectClass *oclass; oclass = G_OBJECT_CLASS (chooser_class); oclass->set_property = caja_column_chooser_set_property; oclass->constructed = caja_column_chooser_constructed; signals[CHANGED] = g_signal_new ("changed", G_TYPE_FROM_CLASS (chooser_class), G_SIGNAL_RUN_LAST, G_STRUCT_OFFSET (CajaColumnChooserClass, changed), NULL, NULL, g_cclosure_marshal_VOID__VOID, G_TYPE_NONE, 0); signals[USE_DEFAULT] = g_signal_new ("use_default", G_TYPE_FROM_CLASS (chooser_class), G_SIGNAL_RUN_LAST, G_STRUCT_OFFSET (CajaColumnChooserClass, use_default), NULL, NULL, g_cclosure_marshal_VOID__VOID, G_TYPE_NONE, 0); g_object_class_install_property (oclass, PROP_FILE, g_param_spec_object ("file", "File", "The file this column chooser is for", CAJA_TYPE_FILE, G_PARAM_CONSTRUCT_ONLY | G_PARAM_WRITABLE)); g_type_class_add_private (chooser_class, sizeof (CajaColumnChooserDetails)); } static void update_buttons (CajaColumnChooser *chooser) { GtkTreeSelection *selection; GtkTreeIter iter; selection = gtk_tree_view_get_selection (chooser->details->view); if (gtk_tree_selection_get_selected (selection, NULL, &iter)) { gboolean visible; gboolean top; gboolean bottom; GtkTreePath *first; GtkTreePath *path; gtk_tree_model_get (GTK_TREE_MODEL (chooser->details->store), &iter, COLUMN_VISIBLE, &visible, -1); path = gtk_tree_model_get_path (GTK_TREE_MODEL (chooser->details->store), &iter); first = gtk_tree_path_new_first (); top = (gtk_tree_path_compare (path, first) == 0); gtk_tree_path_free (path); gtk_tree_path_free (first); bottom = !gtk_tree_model_iter_next (GTK_TREE_MODEL (chooser->details->store), &iter); gtk_widget_set_sensitive (chooser->details->move_up_button, !top); gtk_widget_set_sensitive (chooser->details->move_down_button, !bottom); } else { gtk_widget_set_sensitive (chooser->details->move_up_button, FALSE); gtk_widget_set_sensitive (chooser->details->move_down_button, FALSE); } } static void list_changed (CajaColumnChooser *chooser) { update_buttons (chooser); g_signal_emit (chooser, signals[CHANGED], 0); } static void visible_toggled_callback (GtkCellRendererToggle *cell, char *path_string, gpointer user_data) { CajaColumnChooser *chooser; GtkTreePath *path; GtkTreeIter iter; gboolean visible; chooser = CAJA_COLUMN_CHOOSER (user_data); path = gtk_tree_path_new_from_string (path_string); gtk_tree_model_get_iter (GTK_TREE_MODEL (chooser->details->store), &iter, path); gtk_tree_model_get (GTK_TREE_MODEL (chooser->details->store), &iter, COLUMN_VISIBLE, &visible, -1); gtk_list_store_set (chooser->details->store, &iter, COLUMN_VISIBLE, !visible, -1); gtk_tree_path_free (path); list_changed (chooser); } static void selection_changed_callback (GtkTreeSelection *selection, gpointer user_data) { update_buttons (CAJA_COLUMN_CHOOSER (user_data)); } static void row_deleted_callback (GtkTreeModel *model, GtkTreePath *path, gpointer user_data) { list_changed (CAJA_COLUMN_CHOOSER (user_data)); } static void add_tree_view (CajaColumnChooser *chooser) { GtkWidget *scrolled; GtkWidget *view; GtkListStore *store; GtkCellRenderer *cell; GtkTreeSelection *selection; view = gtk_tree_view_new (); gtk_tree_view_set_headers_visible (GTK_TREE_VIEW (view), FALSE); store = gtk_list_store_new (NUM_COLUMNS, G_TYPE_BOOLEAN, G_TYPE_STRING, G_TYPE_STRING); gtk_tree_view_set_model (GTK_TREE_VIEW (view), GTK_TREE_MODEL (store)); g_object_unref (store); gtk_tree_view_set_reorderable (GTK_TREE_VIEW (view), TRUE); selection = gtk_tree_view_get_selection (GTK_TREE_VIEW (view)); g_signal_connect (selection, "changed", G_CALLBACK (selection_changed_callback), chooser); cell = gtk_cell_renderer_toggle_new (); g_signal_connect (G_OBJECT (cell), "toggled", G_CALLBACK (visible_toggled_callback), chooser); gtk_tree_view_insert_column_with_attributes (GTK_TREE_VIEW (view), -1, NULL, cell, "active", COLUMN_VISIBLE, NULL); cell = gtk_cell_renderer_text_new (); gtk_tree_view_insert_column_with_attributes (GTK_TREE_VIEW (view), -1, NULL, cell, "text", COLUMN_LABEL, NULL); chooser->details->view = GTK_TREE_VIEW (view); chooser->details->store = store; gtk_widget_show (view); scrolled = gtk_scrolled_window_new (NULL, NULL); gtk_scrolled_window_set_shadow_type (GTK_SCROLLED_WINDOW (scrolled), GTK_SHADOW_IN); gtk_scrolled_window_set_policy (GTK_SCROLLED_WINDOW (scrolled), GTK_POLICY_AUTOMATIC, GTK_POLICY_AUTOMATIC); gtk_widget_show (GTK_WIDGET (scrolled)); gtk_container_add (GTK_CONTAINER (scrolled), view); gtk_box_pack_start (GTK_BOX (chooser), scrolled, TRUE, TRUE, 0); } static void move_up_clicked_callback (GtkWidget *button, gpointer user_data) { CajaColumnChooser *chooser; GtkTreeIter iter; GtkTreeSelection *selection; chooser = CAJA_COLUMN_CHOOSER (user_data); selection = gtk_tree_view_get_selection (chooser->details->view); if (gtk_tree_selection_get_selected (selection, NULL, &iter)) { GtkTreePath *path; GtkTreeIter prev; path = gtk_tree_model_get_path (GTK_TREE_MODEL (chooser->details->store), &iter); gtk_tree_path_prev (path); if (gtk_tree_model_get_iter (GTK_TREE_MODEL (chooser->details->store), &prev, path)) { gtk_list_store_move_before (chooser->details->store, &iter, &prev); } gtk_tree_path_free (path); } list_changed (chooser); } static void move_down_clicked_callback (GtkWidget *button, gpointer user_data) { CajaColumnChooser *chooser; GtkTreeIter iter; GtkTreeSelection *selection; chooser = CAJA_COLUMN_CHOOSER (user_data); selection = gtk_tree_view_get_selection (chooser->details->view); if (gtk_tree_selection_get_selected (selection, NULL, &iter)) { GtkTreeIter next; next = iter; if (gtk_tree_model_iter_next (GTK_TREE_MODEL (chooser->details->store), &next)) { gtk_list_store_move_after (chooser->details->store, &iter, &next); } } list_changed (chooser); } static void use_default_clicked_callback (GtkWidget *button, gpointer user_data) { g_signal_emit (CAJA_COLUMN_CHOOSER (user_data), signals[USE_DEFAULT], 0); } static GtkWidget * button_new_with_mnemonic (const gchar *stockid, const gchar *str) { GtkWidget *image; GtkWidget *button; button = gtk_button_new_with_mnemonic (str); image = gtk_image_new_from_stock (stockid, GTK_ICON_SIZE_BUTTON); gtk_button_set_image (GTK_BUTTON (button), image); return button; } static void add_buttons (CajaColumnChooser *chooser) { GtkWidget *box; GtkWidget *separator; box = gtk_vbox_new (FALSE, 8); gtk_widget_show (box); chooser->details->move_up_button = button_new_with_mnemonic (GTK_STOCK_GO_UP, _("Move _Up")); g_signal_connect (chooser->details->move_up_button, "clicked", G_CALLBACK (move_up_clicked_callback), chooser); gtk_widget_show_all (chooser->details->move_up_button); gtk_widget_set_sensitive (chooser->details->move_up_button, FALSE); gtk_box_pack_start (GTK_BOX (box), chooser->details->move_up_button, FALSE, FALSE, 0); chooser->details->move_down_button = button_new_with_mnemonic (GTK_STOCK_GO_DOWN, _("Move Dow_n")); g_signal_connect (chooser->details->move_down_button, "clicked", G_CALLBACK (move_down_clicked_callback), chooser); gtk_widget_show_all (chooser->details->move_down_button); gtk_widget_set_sensitive (chooser->details->move_down_button, FALSE); gtk_box_pack_start (GTK_BOX (box), chooser->details->move_down_button, FALSE, FALSE, 0); separator = gtk_hseparator_new (); gtk_widget_show (separator); gtk_box_pack_start (GTK_BOX (box), separator, FALSE, FALSE, 0); chooser->details->use_default_button = gtk_button_new_with_mnemonic (_("Use De_fault")); g_signal_connect (chooser->details->use_default_button, "clicked", G_CALLBACK (use_default_clicked_callback), chooser); gtk_widget_show (chooser->details->use_default_button); gtk_box_pack_start (GTK_BOX (box), chooser->details->use_default_button, FALSE, FALSE, 0); gtk_box_pack_start (GTK_BOX (chooser), box, FALSE, FALSE, 0); } static void populate_tree (CajaColumnChooser *chooser) { GList *columns; GList *l; columns = caja_get_columns_for_file (chooser->details->file); for (l = columns; l != NULL; l = l->next) { GtkTreeIter iter; CajaColumn *column; char *name; char *label; column = CAJA_COLUMN (l->data); g_object_get (G_OBJECT (column), "name", &name, "label", &label, NULL); gtk_list_store_append (chooser->details->store, &iter); gtk_list_store_set (chooser->details->store, &iter, COLUMN_VISIBLE, FALSE, COLUMN_LABEL, label, COLUMN_NAME, name, -1); g_free (name); g_free (label); } caja_column_list_free (columns); } static void caja_column_chooser_constructed (GObject *object) { CajaColumnChooser *chooser; chooser = CAJA_COLUMN_CHOOSER (object); populate_tree (chooser); g_signal_connect (chooser->details->store, "row_deleted", G_CALLBACK (row_deleted_callback), chooser); } static void caja_column_chooser_init (CajaColumnChooser *chooser) { chooser->details = G_TYPE_INSTANCE_GET_PRIVATE ((chooser), CAJA_TYPE_COLUMN_CHOOSER, CajaColumnChooserDetails); g_object_set (G_OBJECT (chooser), "homogeneous", FALSE, "spacing", 8, NULL); add_tree_view (chooser); add_buttons (chooser); } static void set_visible_columns (CajaColumnChooser *chooser, char **visible_columns) { GHashTable *visible_columns_hash; GtkTreeIter iter; int i; visible_columns_hash = g_hash_table_new (g_str_hash, g_str_equal); for (i = 0; visible_columns[i] != NULL; ++i) { g_hash_table_insert (visible_columns_hash, visible_columns[i], visible_columns[i]); } if (gtk_tree_model_get_iter_first (GTK_TREE_MODEL (chooser->details->store), &iter)) { do { char *name; gboolean visible; gtk_tree_model_get (GTK_TREE_MODEL (chooser->details->store), &iter, COLUMN_NAME, &name, -1); visible = (g_hash_table_lookup (visible_columns_hash, name) != NULL); gtk_list_store_set (chooser->details->store, &iter, COLUMN_VISIBLE, visible, -1); g_free (name); } while (gtk_tree_model_iter_next (GTK_TREE_MODEL (chooser->details->store), &iter)); } g_hash_table_destroy (visible_columns_hash); } static char ** get_column_names (CajaColumnChooser *chooser, gboolean only_visible) { GPtrArray *ret; GtkTreeIter iter; ret = g_ptr_array_new (); if (gtk_tree_model_get_iter_first (GTK_TREE_MODEL (chooser->details->store), &iter)) { do { char *name; gboolean visible; gtk_tree_model_get (GTK_TREE_MODEL (chooser->details->store), &iter, COLUMN_VISIBLE, &visible, COLUMN_NAME, &name, -1); if (!only_visible || visible) { /* give ownership to the array */ g_ptr_array_add (ret, name); } } while (gtk_tree_model_iter_next (GTK_TREE_MODEL (chooser->details->store), &iter)); } g_ptr_array_add (ret, NULL); return (char **) g_ptr_array_free (ret, FALSE); } static gboolean get_column_iter (CajaColumnChooser *chooser, CajaColumn *column, GtkTreeIter *iter) { char *column_name; g_object_get (CAJA_COLUMN (column), "name", &column_name, NULL); if (gtk_tree_model_get_iter_first (GTK_TREE_MODEL (chooser->details->store), iter)) { do { char *name; gtk_tree_model_get (GTK_TREE_MODEL (chooser->details->store), iter, COLUMN_NAME, &name, -1); if (!strcmp (name, column_name)) { g_free (column_name); g_free (name); return TRUE; } g_free (name); } while (gtk_tree_model_iter_next (GTK_TREE_MODEL (chooser->details->store), iter)); } g_free (column_name); return FALSE; } static void set_column_order (CajaColumnChooser *chooser, char **column_order) { GList *columns; GList *l; GtkTreePath *path; columns = caja_get_columns_for_file (chooser->details->file); columns = caja_sort_columns (columns, column_order); g_signal_handlers_block_by_func (chooser->details->store, G_CALLBACK (row_deleted_callback), chooser); path = gtk_tree_path_new_first (); for (l = columns; l != NULL; l = l->next) { GtkTreeIter iter; if (get_column_iter (chooser, CAJA_COLUMN (l->data), &iter)) { GtkTreeIter before; if (path) { gtk_tree_model_get_iter (GTK_TREE_MODEL (chooser->details->store), &before, path); gtk_list_store_move_after (chooser->details->store, &iter, &before); gtk_tree_path_next (path); } else { gtk_list_store_move_after (chooser->details->store, &iter, NULL); } } } gtk_tree_path_free (path); g_signal_handlers_unblock_by_func (chooser->details->store, G_CALLBACK (row_deleted_callback), chooser); caja_column_list_free (columns); } void caja_column_chooser_set_settings (CajaColumnChooser *chooser, char **visible_columns, char **column_order) { g_return_if_fail (CAJA_IS_COLUMN_CHOOSER (chooser)); g_return_if_fail (visible_columns != NULL); g_return_if_fail (column_order != NULL); set_visible_columns (chooser, visible_columns); set_column_order (chooser, column_order); list_changed (chooser); } void caja_column_chooser_get_settings (CajaColumnChooser *chooser, char ***visible_columns, char ***column_order) { g_return_if_fail (CAJA_IS_COLUMN_CHOOSER (chooser)); g_return_if_fail (visible_columns != NULL); g_return_if_fail (column_order != NULL); *visible_columns = get_column_names (chooser, TRUE); *column_order = get_column_names (chooser, FALSE); } GtkWidget * caja_column_chooser_new (CajaFile *file) { return g_object_new (CAJA_TYPE_COLUMN_CHOOSER, "file", file, NULL); }