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Diffstat (limited to '')
| -rw-r--r-- | src/nautilus-list-view.c | 1258 |
1 files changed, 1258 insertions, 0 deletions
diff --git a/src/nautilus-list-view.c b/src/nautilus-list-view.c new file mode 100644 index 0000000..18f860b --- /dev/null +++ b/src/nautilus-list-view.c @@ -0,0 +1,1258 @@ +/* + * Copyright (C) 2000 Eazel, Inc. + * Copyright (C) 2001, 2002 Anders Carlsson <andersca@gnu.org> + * Copyright (C) 2022 GNOME project contributors + * + * SPDX-License-Identifier: GPL-3.0-or-later + */ + +#include <glib/gi18n.h> + +/* Needed for NautilusColumn. */ +#include <nautilus-extension.h> + +#include "nautilus-list-base-private.h" +#include "nautilus-list-view.h" + +#include "nautilus-column-chooser.h" +#include "nautilus-column-utilities.h" +#include "nautilus-directory.h" +#include "nautilus-file.h" +#include "nautilus-file-utilities.h" +#include "nautilus-global-preferences.h" +#include "nautilus-label-cell.h" +#include "nautilus-metadata.h" +#include "nautilus-name-cell.h" +#include "nautilus-search-directory.h" +#include "nautilus-star-cell.h" +#include "nautilus-tag-manager.h" + +struct _NautilusListView +{ + NautilusListBase parent_instance; + + GtkColumnView *view_ui; + + GActionGroup *action_group; + gint zoom_level; + + gboolean directories_first; + + GQuark path_attribute_q; + GFile *file_path_base_location; + + GtkColumnViewColumn *star_column; + GtkWidget *column_editor; + GHashTable *factory_to_column_map; + + GHashTable *all_view_columns_hash; + + /* Column sort hack state */ + gboolean column_header_was_clicked; + GQuark clicked_column_attribute_q; +}; + +G_DEFINE_TYPE (NautilusListView, nautilus_list_view, NAUTILUS_TYPE_LIST_BASE) + + +static void on_sorter_changed (GtkSorter *sorter, + GtkSorterChange change, + gpointer user_data); + +static const char *default_columns_for_recent[] = +{ + "name", "size", "recency", NULL +}; + +static const char *default_columns_for_trash[] = +{ + "name", "size", "trashed_on", NULL +}; + +static guint +get_icon_size_for_zoom_level (NautilusListZoomLevel zoom_level) +{ + switch (zoom_level) + { + case NAUTILUS_LIST_ZOOM_LEVEL_SMALL: + { + return NAUTILUS_LIST_ICON_SIZE_SMALL; + } + break; + + case NAUTILUS_LIST_ZOOM_LEVEL_MEDIUM: + { + return NAUTILUS_LIST_ICON_SIZE_MEDIUM; + } + break; + + case NAUTILUS_LIST_ZOOM_LEVEL_LARGE: + { + return NAUTILUS_LIST_ICON_SIZE_LARGE; + } + break; + } + g_return_val_if_reached (NAUTILUS_LIST_ICON_SIZE_MEDIUM); +} + +static guint +real_get_icon_size (NautilusListBase *list_base_view) +{ + NautilusListView *self = NAUTILUS_LIST_VIEW (list_base_view); + + return get_icon_size_for_zoom_level (self->zoom_level); +} + +static GtkWidget * +real_get_view_ui (NautilusListBase *list_base_view) +{ + NautilusListView *self = NAUTILUS_LIST_VIEW (list_base_view); + + return GTK_WIDGET (self->view_ui); +} + +static void +apply_columns_settings (NautilusListView *self, + char **column_order, + char **visible_columns) +{ + g_autolist (NautilusColumn) all_columns = NULL; + NautilusFile *file; + NautilusDirectory *directory; + g_autoptr (GFile) location = NULL; + g_autoptr (GList) view_columns = NULL; + GListModel *old_view_columns; + g_autoptr (GHashTable) visible_columns_hash = NULL; + int column_i = 0; + + file = nautilus_files_view_get_directory_as_file (NAUTILUS_FILES_VIEW (self)); + directory = nautilus_files_view_get_model (NAUTILUS_FILES_VIEW (self)); + if (NAUTILUS_IS_SEARCH_DIRECTORY (directory)) + { + g_autoptr (NautilusQuery) query = NULL; + + query = nautilus_search_directory_get_query (NAUTILUS_SEARCH_DIRECTORY (directory)); + location = nautilus_query_get_location (query); + } + else + { + location = nautilus_file_get_location (file); + } + + all_columns = nautilus_get_columns_for_file (file); + all_columns = nautilus_sort_columns (all_columns, column_order); + + /* hash table to lookup if a given column should be visible */ + visible_columns_hash = g_hash_table_new_full (g_str_hash, + g_str_equal, + (GDestroyNotify) g_free, + (GDestroyNotify) g_free); + /* always show name column */ + g_hash_table_insert (visible_columns_hash, g_strdup ("name"), g_strdup ("name")); + + /* always show star column if supported */ + if (nautilus_tag_manager_can_star_contents (nautilus_tag_manager_get (), location) || + nautilus_is_starred_directory (location)) + { + g_hash_table_insert (visible_columns_hash, g_strdup ("starred"), g_strdup ("starred")); + } + + if (visible_columns != NULL) + { + for (int i = 0; visible_columns[i] != NULL; ++i) + { + g_hash_table_insert (visible_columns_hash, + g_ascii_strdown (visible_columns[i], -1), + g_ascii_strdown (visible_columns[i], -1)); + } + } + + old_view_columns = gtk_column_view_get_columns (self->view_ui); + for (GList *l = all_columns; l != NULL; l = l->next) + { + g_autofree char *name = NULL; + g_autofree char *lowercase = NULL; + + g_object_get (G_OBJECT (l->data), "name", &name, NULL); + lowercase = g_ascii_strdown (name, -1); + + if (g_hash_table_lookup (visible_columns_hash, lowercase) != NULL) + { + GtkColumnViewColumn *view_column; + + view_column = g_hash_table_lookup (self->all_view_columns_hash, name); + if (view_column != NULL) + { + view_columns = g_list_prepend (view_columns, view_column); + } + } + } + + view_columns = g_list_reverse (view_columns); + + /* hide columns that are not present in the configuration */ + for (guint i = 0; i < g_list_model_get_n_items (old_view_columns); i++) + { + g_autoptr (GtkColumnViewColumn) view_column = NULL; + + view_column = g_list_model_get_item (old_view_columns, i); + if (g_list_find (view_columns, view_column) == NULL) + { + gtk_column_view_remove_column (self->view_ui, view_column); + } + } + + /* place columns in the correct order */ + for (GList *l = view_columns; l != NULL; l = l->next, column_i++) + { + gtk_column_view_insert_column (self->view_ui, column_i, l->data); + } +} + +static void +real_scroll_to_item (NautilusListBase *list_base_view, + guint position) +{ + NautilusListView *self = NAUTILUS_LIST_VIEW (list_base_view); + GtkWidget *child; + + child = gtk_widget_get_last_child (GTK_WIDGET (self->view_ui)); + + while (child != NULL && !GTK_IS_LIST_VIEW (child)) + { + child = gtk_widget_get_prev_sibling (child); + } + + if (child != NULL) + { + gtk_widget_activate_action (child, "list.scroll-to-item", "u", position); + } +} + +typedef struct +{ + GQuark attribute; + NautilusListView *view; +} SortData; + +static gint +nautilus_list_view_sort (gconstpointer a, + gconstpointer b, + gpointer user_data) +{ + SortData *data = user_data; + NautilusListView *self = data->view; + GQuark attribute_q = data->attribute; + NautilusFile *file_a = nautilus_view_item_get_file (NAUTILUS_VIEW_ITEM ((gpointer) a)); + NautilusFile *file_b = nautilus_view_item_get_file (NAUTILUS_VIEW_ITEM ((gpointer) b)); + + /* Hack: We don't know what column is being sorted on when the column + * headers are clicked. So let's just look at what attribute was most + * recently used for sorting. + * https://gitlab.gnome.org/GNOME/gtk/-/issues/4833 */ + if (self->clicked_column_attribute_q == 0 && self->column_header_was_clicked) + { + self->clicked_column_attribute_q = attribute_q; + } + + g_return_val_if_fail (file_a != NULL && file_b != NULL, GTK_ORDERING_EQUAL); + + /* The reversed argument is FALSE because the columnview sorter handles that + * itself and if we don't want to reverse the reverse. The directories_first + * argument is also FALSE for the same reason: we don't want the columnview + * sorter to reverse it (it would display directories last!); instead we + * handle directories_first in a separate sorter. */ + return nautilus_file_compare_for_sort_by_attribute_q (file_a, file_b, + attribute_q, + FALSE /* directories_first */, + FALSE /* reversed */); +} + +static gint +sort_directories_func (gconstpointer a, + gconstpointer b, + gpointer user_data) +{ + gboolean *directories_first = user_data; + + if (*directories_first) + { + NautilusFile *file_a = nautilus_view_item_get_file (NAUTILUS_VIEW_ITEM ((gpointer) a)); + NautilusFile *file_b = nautilus_view_item_get_file (NAUTILUS_VIEW_ITEM ((gpointer) b)); + gboolean a_is_directory = nautilus_file_is_directory (file_a); + gboolean b_is_directory = nautilus_file_is_directory (file_b); + + if (a_is_directory && !b_is_directory) + { + return GTK_ORDERING_SMALLER; + } + if (b_is_directory && !a_is_directory) + { + return GTK_ORDERING_LARGER; + } + } + return GTK_ORDERING_EQUAL; +} + +static char ** +get_default_visible_columns (NautilusListView *self) +{ + NautilusFile *file; + + file = nautilus_files_view_get_directory_as_file (NAUTILUS_FILES_VIEW (self)); + + if (nautilus_file_is_in_trash (file)) + { + return g_strdupv ((gchar **) default_columns_for_trash); + } + + if (nautilus_file_is_in_recent (file)) + { + return g_strdupv ((gchar **) default_columns_for_recent); + } + + return g_settings_get_strv (nautilus_list_view_preferences, + NAUTILUS_PREFERENCES_LIST_VIEW_DEFAULT_VISIBLE_COLUMNS); +} + +static char ** +get_visible_columns (NautilusListView *self) +{ + NautilusFile *file; + g_autofree gchar **visible_columns = NULL; + + file = nautilus_files_view_get_directory_as_file (NAUTILUS_FILES_VIEW (self)); + + visible_columns = nautilus_file_get_metadata_list (file, + NAUTILUS_METADATA_KEY_LIST_VIEW_VISIBLE_COLUMNS); + if (visible_columns == NULL || visible_columns[0] == NULL) + { + return get_default_visible_columns (self); + } + + return g_steal_pointer (&visible_columns); +} + +static char ** +get_default_column_order (NautilusListView *self) +{ + NautilusFile *file; + + file = nautilus_files_view_get_directory_as_file (NAUTILUS_FILES_VIEW (self)); + + if (nautilus_file_is_in_trash (file)) + { + return g_strdupv ((gchar **) default_columns_for_trash); + } + + if (nautilus_file_is_in_recent (file)) + { + return g_strdupv ((gchar **) default_columns_for_recent); + } + + return g_settings_get_strv (nautilus_list_view_preferences, + NAUTILUS_PREFERENCES_LIST_VIEW_DEFAULT_COLUMN_ORDER); +} + +static char ** +get_column_order (NautilusListView *self) +{ + NautilusFile *file; + g_autofree gchar **column_order = NULL; + + file = nautilus_files_view_get_directory_as_file (NAUTILUS_FILES_VIEW (self)); + + column_order = nautilus_file_get_metadata_list (file, + NAUTILUS_METADATA_KEY_LIST_VIEW_COLUMN_ORDER); + + if (column_order != NULL && column_order[0] != NULL) + { + return g_steal_pointer (&column_order); + } + + return get_default_column_order (self); +} +static void +update_columns_settings_from_metadata_and_preferences (NautilusListView *self) +{ + g_auto (GStrv) column_order = get_column_order (self); + g_auto (GStrv) visible_columns = get_visible_columns (self); + + apply_columns_settings (self, column_order, visible_columns); +} + +static GFile * +get_base_location (NautilusListView *self) +{ + NautilusDirectory *directory; + GFile *base_location = NULL; + + directory = nautilus_files_view_get_model (NAUTILUS_FILES_VIEW (self)); + if (NAUTILUS_IS_SEARCH_DIRECTORY (directory)) + { + g_autoptr (NautilusQuery) query = NULL; + g_autoptr (GFile) location = NULL; + + query = nautilus_search_directory_get_query (NAUTILUS_SEARCH_DIRECTORY (directory)); + location = nautilus_query_get_location (query); + + if (!nautilus_is_recent_directory (location) && + !nautilus_is_starred_directory (location) && + !nautilus_is_trash_directory (location)) + { + base_location = g_steal_pointer (&location); + } + } + + return base_location; +} + +static void +on_column_view_item_activated (GtkGridView *grid_view, + guint position, + gpointer user_data) +{ + NautilusListView *self = NAUTILUS_LIST_VIEW (user_data); + + nautilus_files_view_activate_selection (NAUTILUS_FILES_VIEW (self)); +} + +static GtkColumnView * +create_view_ui (NautilusListView *self) +{ + NautilusViewModel *model; + GtkWidget *widget; + + model = nautilus_list_base_get_model (NAUTILUS_LIST_BASE (self)); + widget = gtk_column_view_new (GTK_SELECTION_MODEL (model)); + + gtk_widget_set_hexpand (widget, TRUE); + + + /* We don't use the built-in child activation feature for click because it + * doesn't fill all our needs nor does it match our expected behavior. + * Instead, we roll our own event handling and double/single click mode. + * However, GtkColumnView:single-click-activate has other effects besides + * activation, as it affects the selection behavior as well (e.g. selects on + * hover). Setting it to FALSE gives us the expected behavior. */ + gtk_column_view_set_single_click_activate (GTK_COLUMN_VIEW (widget), FALSE); + gtk_column_view_set_enable_rubberband (GTK_COLUMN_VIEW (widget), TRUE); + + /* While we don't want to use GTK's click activation, we'll let it handle + * the key activation part (with Enter). + */ + g_signal_connect (widget, "activate", G_CALLBACK (on_column_view_item_activated), self); + + return GTK_COLUMN_VIEW (widget); +} + +static void +column_chooser_changed_callback (NautilusColumnChooser *chooser, + NautilusListView *view) +{ + NautilusFile *file; + char **visible_columns; + char **column_order; + + file = nautilus_files_view_get_directory_as_file (NAUTILUS_FILES_VIEW (view)); + + nautilus_column_chooser_get_settings (chooser, + &visible_columns, + &column_order); + + nautilus_file_set_metadata_list (file, + NAUTILUS_METADATA_KEY_LIST_VIEW_VISIBLE_COLUMNS, + visible_columns); + nautilus_file_set_metadata_list (file, + NAUTILUS_METADATA_KEY_LIST_VIEW_COLUMN_ORDER, + column_order); + + apply_columns_settings (view, column_order, visible_columns); + + g_strfreev (visible_columns); + g_strfreev (column_order); +} + +static void +column_chooser_set_from_arrays (NautilusColumnChooser *chooser, + NautilusListView *view, + char **visible_columns, + char **column_order) +{ + g_signal_handlers_block_by_func + (chooser, G_CALLBACK (column_chooser_changed_callback), view); + + nautilus_column_chooser_set_settings (chooser, + visible_columns, + column_order); + + g_signal_handlers_unblock_by_func + (chooser, G_CALLBACK (column_chooser_changed_callback), view); +} + +static void +column_chooser_set_from_settings (NautilusColumnChooser *chooser, + NautilusListView *view) +{ + char **visible_columns; + char **column_order; + + visible_columns = get_visible_columns (view); + column_order = get_column_order (view); + + column_chooser_set_from_arrays (chooser, view, + visible_columns, column_order); + + g_strfreev (visible_columns); + g_strfreev (column_order); +} + +static void +column_chooser_use_default_callback (NautilusColumnChooser *chooser, + NautilusListView *view) +{ + NautilusFile *file; + char **default_columns; + char **default_order; + + file = nautilus_files_view_get_directory_as_file + (NAUTILUS_FILES_VIEW (view)); + + nautilus_file_set_metadata_list (file, NAUTILUS_METADATA_KEY_LIST_VIEW_COLUMN_ORDER, NULL); + nautilus_file_set_metadata_list (file, NAUTILUS_METADATA_KEY_LIST_VIEW_VISIBLE_COLUMNS, NULL); + + /* set view values ourselves, as new metadata could not have been + * updated yet. + */ + default_columns = get_default_visible_columns (view); + default_order = get_default_column_order (view); + + apply_columns_settings (view, default_order, default_columns); + column_chooser_set_from_arrays (chooser, view, + default_columns, default_order); + + g_strfreev (default_columns); + g_strfreev (default_order); +} + +static GtkWidget * +create_column_editor (NautilusListView *view) +{ + g_autoptr (GtkBuilder) builder = NULL; + GtkWidget *window; + AdwWindowTitle *window_title; + GtkWidget *box; + GtkWidget *column_chooser; + NautilusFile *file; + char *name; + + builder = gtk_builder_new_from_resource ("/org/gnome/nautilus/ui/nautilus-list-view-column-editor.ui"); + + window = GTK_WIDGET (gtk_builder_get_object (builder, "window")); + gtk_window_set_transient_for (GTK_WINDOW (window), + GTK_WINDOW (gtk_widget_get_root (GTK_WIDGET (view)))); + + file = nautilus_files_view_get_directory_as_file (NAUTILUS_FILES_VIEW (view)); + name = nautilus_file_get_display_name (file); + window_title = ADW_WINDOW_TITLE (gtk_builder_get_object (builder, "window_title")); + adw_window_title_set_subtitle (window_title, name); + g_free (name); + + box = GTK_WIDGET (gtk_builder_get_object (builder, "box")); + + column_chooser = nautilus_column_chooser_new (file); + gtk_widget_set_vexpand (column_chooser, TRUE); + gtk_box_append (GTK_BOX (box), column_chooser); + + g_signal_connect (column_chooser, "changed", + G_CALLBACK (column_chooser_changed_callback), + view); + g_signal_connect (column_chooser, "use-default", + G_CALLBACK (column_chooser_use_default_callback), + view); + + column_chooser_set_from_settings + (NAUTILUS_COLUMN_CHOOSER (column_chooser), view); + + return window; +} + +static void +action_visible_columns (GSimpleAction *action, + GVariant *state, + gpointer user_data) +{ + NautilusListView *self = NAUTILUS_LIST_VIEW (user_data); + + if (self->column_editor) + { + gtk_widget_show (self->column_editor); + } + else + { + self->column_editor = create_column_editor (self); + g_object_add_weak_pointer (G_OBJECT (self->column_editor), + (gpointer *) &self->column_editor); + + gtk_widget_show (self->column_editor); + } +} + +static void +action_sort_order_changed (GSimpleAction *action, + GVariant *value, + gpointer user_data) +{ + const gchar *target_name; + gboolean reversed; + NautilusFileSortType sort_type; + NautilusListView *self; + GListModel *view_columns; + NautilusViewModel *model; + g_autoptr (GtkColumnViewColumn) sort_column = NULL; + GtkSorter *sorter; + + /* This array makes the #NautilusFileSortType values correspond to the + * respective column attribute. + */ + const char *attributes[] = + { + "name", + "size", + "type", + "date_modified", + "date_accessed", + "date_created", + "starred", + "trashed_on", + "search_relevance", + "recency", + NULL + }; + + /* Don't resort if the action is in the same state as before */ + if (g_variant_equal (value, g_action_get_state (G_ACTION (action)))) + { + return; + } + + self = NAUTILUS_LIST_VIEW (user_data); + g_variant_get (value, "(&sb)", &target_name, &reversed); + + if (g_strcmp0 (target_name, "unknown") == 0) + { + /* Sort order has been changed without using this action. */ + g_simple_action_set_state (action, value); + return; + } + + sort_type = get_sorts_type_from_metadata_text (target_name); + + view_columns = gtk_column_view_get_columns (self->view_ui); + for (guint i = 0; i < g_list_model_get_n_items (view_columns); i++) + { + g_autoptr (GtkColumnViewColumn) view_column = NULL; + GtkListItemFactory *factory; + NautilusColumn *nautilus_column; + gchar *attribute; + + view_column = g_list_model_get_item (view_columns, i); + factory = gtk_column_view_column_get_factory (view_column); + nautilus_column = g_hash_table_lookup (self->factory_to_column_map, factory); + if (nautilus_column == NULL) + { + continue; + } + g_object_get (nautilus_column, "attribute", &attribute, NULL); + if (g_strcmp0 (attributes[sort_type], attribute) == 0) + { + sort_column = g_steal_pointer (&view_column); + break; + } + } + + model = nautilus_list_base_get_model (NAUTILUS_LIST_BASE (self)); + sorter = nautilus_view_model_get_sorter (model); + + /* Ask the column view to sort by column if it hasn't just done so already. */ + if (!self->column_header_was_clicked) + { + g_signal_handlers_block_by_func (sorter, on_sorter_changed, self); + /* FIXME: Set NULL to stop drawing the arrow on previous sort column + * to workaround https://gitlab.gnome.org/GNOME/gtk/-/issues/4696 */ + gtk_column_view_sort_by_column (self->view_ui, NULL, FALSE); + gtk_column_view_sort_by_column (self->view_ui, sort_column, reversed); + g_signal_handlers_unblock_by_func (sorter, on_sorter_changed, self); + } + + self->column_header_was_clicked = FALSE; + + set_directory_sort_metadata (nautilus_files_view_get_directory_as_file (NAUTILUS_FILES_VIEW (self)), + target_name, + reversed); + + g_simple_action_set_state (action, value); +} + +static void +set_zoom_level (NautilusListView *self, + guint new_level) +{ + self->zoom_level = new_level; + + nautilus_list_base_set_icon_size (NAUTILUS_LIST_BASE (self), + get_icon_size_for_zoom_level (new_level)); + + if (self->zoom_level == NAUTILUS_LIST_ZOOM_LEVEL_SMALL) + { + gtk_widget_add_css_class (GTK_WIDGET (self), "compact"); + } + else + { + gtk_widget_remove_css_class (GTK_WIDGET (self), "compact"); + } + + nautilus_files_view_update_toolbar_menus (NAUTILUS_FILES_VIEW (self)); +} + +static void +action_zoom_to_level (GSimpleAction *action, + GVariant *state, + gpointer user_data) +{ + NautilusListView *self = NAUTILUS_LIST_VIEW (user_data); + int zoom_level; + + zoom_level = g_variant_get_int32 (state); + set_zoom_level (self, zoom_level); + g_simple_action_set_state (G_SIMPLE_ACTION (action), state); + + if (g_settings_get_enum (nautilus_list_view_preferences, + NAUTILUS_PREFERENCES_LIST_VIEW_DEFAULT_ZOOM_LEVEL) != zoom_level) + { + g_settings_set_enum (nautilus_list_view_preferences, + NAUTILUS_PREFERENCES_LIST_VIEW_DEFAULT_ZOOM_LEVEL, + zoom_level); + } +} + +const GActionEntry list_view_entries[] = +{ + { "visible-columns", action_visible_columns }, + { "sort", NULL, "(sb)", "('invalid',false)", action_sort_order_changed }, + { "zoom-to-level", NULL, NULL, "1", action_zoom_to_level } +}; + +static void +real_begin_loading (NautilusFilesView *files_view) +{ + NautilusListView *self = NAUTILUS_LIST_VIEW (files_view); + NautilusFile *file; + + /* We need to setup the columns before chaining up */ + update_columns_settings_from_metadata_and_preferences (self); + + NAUTILUS_FILES_VIEW_CLASS (nautilus_list_view_parent_class)->begin_loading (files_view); + + self->clicked_column_attribute_q = 0; + + self->path_attribute_q = 0; + g_clear_object (&self->file_path_base_location); + file = nautilus_files_view_get_directory_as_file (files_view); + if (nautilus_file_is_in_trash (file)) + { + self->path_attribute_q = g_quark_from_string ("trash_orig_path"); + self->file_path_base_location = get_base_location (self); + } + else if (nautilus_file_is_in_search (file) || + nautilus_file_is_in_recent (file) || + nautilus_file_is_in_starred (file)) + { + self->path_attribute_q = g_quark_from_string ("where"); + self->file_path_base_location = get_base_location (self); + } +} + +static void +real_bump_zoom_level (NautilusFilesView *files_view, + int zoom_increment) +{ + NautilusListView *self = NAUTILUS_LIST_VIEW (files_view); + NautilusListZoomLevel new_level; + + new_level = self->zoom_level + zoom_increment; + + if (new_level >= NAUTILUS_LIST_ZOOM_LEVEL_SMALL && + new_level <= NAUTILUS_LIST_ZOOM_LEVEL_LARGE) + { + g_action_group_change_action_state (self->action_group, + "zoom-to-level", + g_variant_new_int32 (new_level)); + } +} + +static gint +get_default_zoom_level (void) +{ + NautilusListZoomLevel default_zoom_level; + + default_zoom_level = g_settings_get_enum (nautilus_list_view_preferences, + NAUTILUS_PREFERENCES_LIST_VIEW_DEFAULT_ZOOM_LEVEL); + + /* Sanitize preference value. */ + return CLAMP (default_zoom_level, + NAUTILUS_LIST_ZOOM_LEVEL_SMALL, + NAUTILUS_LIST_ZOOM_LEVEL_LARGE); +} + +static void +real_restore_standard_zoom_level (NautilusFilesView *files_view) +{ + NautilusListView *self; + + self = NAUTILUS_LIST_VIEW (files_view); + g_action_group_change_action_state (self->action_group, + "zoom-to-level", + g_variant_new_int32 (NAUTILUS_LIST_ZOOM_LEVEL_MEDIUM)); +} + +static gboolean +real_can_zoom_in (NautilusFilesView *files_view) +{ + NautilusListView *self = NAUTILUS_LIST_VIEW (files_view); + + return self->zoom_level < NAUTILUS_LIST_ZOOM_LEVEL_LARGE; +} + +static gboolean +real_can_zoom_out (NautilusFilesView *files_view) +{ + NautilusListView *self = NAUTILUS_LIST_VIEW (files_view); + + return self->zoom_level > NAUTILUS_LIST_ZOOM_LEVEL_SMALL; +} + +static gboolean +real_is_zoom_level_default (NautilusFilesView *files_view) +{ + NautilusListView *self; + guint icon_size; + + self = NAUTILUS_LIST_VIEW (files_view); + icon_size = get_icon_size_for_zoom_level (self->zoom_level); + + return icon_size == NAUTILUS_LIST_ICON_SIZE_MEDIUM; +} + +static void +real_sort_directories_first_changed (NautilusFilesView *files_view) +{ + NautilusListView *self = NAUTILUS_LIST_VIEW (files_view); + NautilusViewModel *model; + + self->directories_first = nautilus_files_view_should_sort_directories_first (NAUTILUS_FILES_VIEW (self)); + + /* Reset the sorter to trigger ressorting */ + model = nautilus_list_base_get_model (NAUTILUS_LIST_BASE (self)); + nautilus_view_model_set_sorter (model, nautilus_view_model_get_sorter (model)); +} + +static void +on_sorter_changed (GtkSorter *sorter, + GtkSorterChange change, + gpointer user_data) +{ + NautilusListView *self = NAUTILUS_LIST_VIEW (user_data); + NautilusViewModel *model = nautilus_list_base_get_model (NAUTILUS_LIST_BASE (self)); + + /* Set the conditions to capture the sort attribute the first time that + * nautilus_list_view_sort() is called. */ + self->column_header_was_clicked = TRUE; + self->clicked_column_attribute_q = 0; + + /* If there is only one file, enforce a comparison against a dummy item, to + * ensure nautilus_list_view_sort() gets called at least once. */ + if (g_list_model_get_n_items (G_LIST_MODEL (model)) == 1) + { + NautilusViewItem *item = g_list_model_get_item (G_LIST_MODEL (model), 0); + g_autoptr (NautilusViewItem) dummy_item = NULL; + + dummy_item = nautilus_view_item_new (nautilus_view_item_get_file (item), + NAUTILUS_LIST_ICON_SIZE_SMALL); + + gtk_sorter_compare (sorter, item, dummy_item); + } +} + +static void +on_after_sorter_changed (GtkSorter *sorter, + GtkSorterChange change, + gpointer user_data) +{ + NautilusListView *self = NAUTILUS_LIST_VIEW (user_data); + GActionGroup *action_group = nautilus_files_view_get_action_group (NAUTILUS_FILES_VIEW (self)); + g_autoptr (GVariant) state = NULL; + const gchar *new_sort_text; + gboolean reversed; + const gchar *current_sort_text; + + if (!self->column_header_was_clicked || self->clicked_column_attribute_q == 0) + { + return; + } + + state = g_action_group_get_action_state (action_group, "sort"); + g_variant_get (state, "(&sb)", ¤t_sort_text, &reversed); + + new_sort_text = g_quark_to_string (self->clicked_column_attribute_q); + + if (g_strcmp0 (new_sort_text, current_sort_text) == 0) + { + reversed = !reversed; + } + else + { + reversed = FALSE; + } + + g_action_group_change_action_state (action_group, "sort", + g_variant_new ("(sb)", new_sort_text, reversed)); +} + +static guint +real_get_view_id (NautilusFilesView *files_view) +{ + return NAUTILUS_VIEW_LIST_ID; +} + +static void +on_item_click_released_workaround (GtkGestureClick *gesture, + gint n_press, + gdouble x, + gdouble y, + gpointer user_data) +{ + NautilusViewCell *cell = user_data; + NautilusListView *self = NAUTILUS_LIST_VIEW (nautilus_view_cell_get_view (cell)); + GdkModifierType modifiers; + + modifiers = gtk_event_controller_get_current_event_state (GTK_EVENT_CONTROLLER (gesture)); + if (n_press == 1 && + modifiers & (GDK_CONTROL_MASK | GDK_SHIFT_MASK)) + { + NautilusViewModel *model; + g_autoptr (NautilusViewItem) item = NULL; + guint i; + + model = nautilus_list_base_get_model (NAUTILUS_LIST_BASE (self)); + item = nautilus_view_cell_get_item (cell); + g_return_if_fail (item != NULL); + i = nautilus_view_model_get_index (model, item); + + gtk_widget_activate_action (GTK_WIDGET (cell), + "list.select-item", + "(ubb)", + i, + modifiers & GDK_CONTROL_MASK, + modifiers & GDK_SHIFT_MASK); + } +} + +/* This whole event handler is a workaround to a GtkColumnView bug: it + * activates the list|select-item action twice, which may cause the + * second activation to reverse the effects of the first: + * https://gitlab.gnome.org/GNOME/gtk/-/issues/4819 + * + * As a workaround, we are going to activate the action a 3rd time. + * The third time is the charm, as the saying goes. */ +static void +setup_selection_click_workaround (NautilusViewCell *cell) +{ + GtkEventController *controller; + + controller = GTK_EVENT_CONTROLLER (gtk_gesture_click_new ()); + gtk_widget_add_controller (GTK_WIDGET (cell), controller); + gtk_event_controller_set_propagation_phase (controller, GTK_PHASE_BUBBLE); + gtk_gesture_single_set_button (GTK_GESTURE_SINGLE (controller), GDK_BUTTON_PRIMARY); + g_signal_connect (controller, "released", G_CALLBACK (on_item_click_released_workaround), cell); +} + +static void +setup_name_cell (GtkSignalListItemFactory *factory, + GtkListItem *listitem, + gpointer user_data) +{ + NautilusListView *self = NAUTILUS_LIST_VIEW (user_data); + NautilusViewCell *cell; + + cell = nautilus_name_cell_new (NAUTILUS_LIST_BASE (self)); + setup_cell_common (listitem, cell); + + nautilus_name_cell_set_path (NAUTILUS_NAME_CELL (cell), + self->path_attribute_q, + self->file_path_base_location); + if (NAUTILUS_IS_SEARCH_DIRECTORY (nautilus_files_view_get_model (NAUTILUS_FILES_VIEW (self)))) + { + nautilus_name_cell_show_snippet (NAUTILUS_NAME_CELL (cell)); + } + + setup_selection_click_workaround (cell); +} + +static void +bind_name_cell (GtkSignalListItemFactory *factory, + GtkListItem *listitem, + gpointer user_data) +{ + GtkWidget *cell; + NautilusViewItem *item; + + cell = gtk_list_item_get_child (listitem); + item = NAUTILUS_VIEW_ITEM (gtk_list_item_get_item (listitem)); + + nautilus_view_item_set_item_ui (item, gtk_list_item_get_child (listitem)); + + if (nautilus_view_cell_once (NAUTILUS_VIEW_CELL (cell))) + { + GtkWidget *row_widget; + + /* At the time of ::setup emission, the item ui has got no parent yet, + * that's why we need to complete the widget setup process here, on the + * first time ::bind is emitted. */ + row_widget = gtk_widget_get_parent (gtk_widget_get_parent (cell)); + + gtk_accessible_update_relation (GTK_ACCESSIBLE (row_widget), + GTK_ACCESSIBLE_RELATION_LABELLED_BY, cell, NULL, + -1); + } +} + +static void +unbind_name_cell (GtkSignalListItemFactory *factory, + GtkListItem *listitem, + gpointer user_data) +{ + NautilusViewItem *item; + + item = NAUTILUS_VIEW_ITEM (gtk_list_item_get_item (listitem)); + g_return_if_fail (NAUTILUS_IS_VIEW_ITEM (item)); + + nautilus_view_item_set_item_ui (item, NULL); +} + +static void +setup_star_cell (GtkSignalListItemFactory *factory, + GtkListItem *listitem, + gpointer user_data) +{ + NautilusViewCell *cell; + + cell = nautilus_star_cell_new (NAUTILUS_LIST_BASE (user_data)); + setup_cell_common (listitem, cell); + setup_selection_click_workaround (cell); +} + +static void +setup_label_cell (GtkSignalListItemFactory *factory, + GtkListItem *listitem, + gpointer user_data) +{ + NautilusListView *self = user_data; + NautilusColumn *nautilus_column; + NautilusViewCell *cell; + + nautilus_column = g_hash_table_lookup (self->factory_to_column_map, factory); + + cell = nautilus_label_cell_new (NAUTILUS_LIST_BASE (user_data), nautilus_column); + setup_cell_common (listitem, cell); + setup_selection_click_workaround (cell); +} + +static void +setup_view_columns (NautilusListView *self) +{ + GtkListItemFactory *factory; + g_autolist (NautilusColumn) nautilus_columns = NULL; + + nautilus_columns = nautilus_get_all_columns (); + + self->factory_to_column_map = g_hash_table_new_full (g_direct_hash, + g_direct_equal, + NULL, + g_object_unref); + self->all_view_columns_hash = g_hash_table_new_full (g_str_hash, + g_str_equal, + (GDestroyNotify) g_free, + g_object_unref); + + for (GList *l = nautilus_columns; l != NULL; l = l->next) + { + NautilusColumn *nautilus_column = NAUTILUS_COLUMN (l->data); + SortData *data; + g_autofree gchar *name = NULL; + g_autofree gchar *label = NULL; + GQuark attribute_q = 0; + GtkSortType sort_order; + g_autoptr (GtkCustomSorter) sorter = NULL; + g_autoptr (GtkColumnViewColumn) view_column = NULL; + + g_object_get (nautilus_column, + "name", &name, + "label", &label, + "attribute_q", &attribute_q, + "default-sort-order", &sort_order, + NULL); + + data = g_new0 (SortData, 1); + data->attribute = attribute_q; + data->view = self; + + sorter = gtk_custom_sorter_new (nautilus_list_view_sort, + data, + g_free); + + factory = gtk_signal_list_item_factory_new (); + view_column = gtk_column_view_column_new (NULL, factory); + gtk_column_view_column_set_expand (view_column, FALSE); + gtk_column_view_column_set_resizable (view_column, TRUE); + gtk_column_view_column_set_title (view_column, label); + gtk_column_view_column_set_sorter (view_column, GTK_SORTER (sorter)); + + if (!strcmp (name, "name")) + { + g_signal_connect (factory, "setup", G_CALLBACK (setup_name_cell), self); + g_signal_connect (factory, "bind", G_CALLBACK (bind_name_cell), self); + g_signal_connect (factory, "unbind", G_CALLBACK (unbind_name_cell), self); + + gtk_column_view_column_set_expand (view_column, TRUE); + } + else if (g_strcmp0 (name, "starred") == 0) + { + g_signal_connect (factory, "setup", G_CALLBACK (setup_star_cell), self); + + gtk_column_view_column_set_title (view_column, ""); + gtk_column_view_column_set_resizable (view_column, FALSE); + + self->star_column = view_column; + } + else + { + g_signal_connect (factory, "setup", G_CALLBACK (setup_label_cell), self); + } + + g_hash_table_insert (self->factory_to_column_map, + factory, + g_object_ref (nautilus_column)); + g_hash_table_insert (self->all_view_columns_hash, + g_steal_pointer (&name), + g_steal_pointer (&view_column)); + } +} + +static void +nautilus_list_view_init (NautilusListView *self) +{ + NautilusViewModel *model; + GtkWidget *content_widget; + g_autoptr (GtkCustomSorter) directories_sorter = NULL; + g_autoptr (GtkMultiSorter) sorter = NULL; + + gtk_widget_add_css_class (GTK_WIDGET (self), "nautilus-list-view"); + + g_signal_connect_object (nautilus_list_view_preferences, + "changed::" NAUTILUS_PREFERENCES_LIST_VIEW_DEFAULT_VISIBLE_COLUMNS, + G_CALLBACK (update_columns_settings_from_metadata_and_preferences), + self, + G_CONNECT_SWAPPED); + g_signal_connect_object (nautilus_list_view_preferences, + "changed::" NAUTILUS_PREFERENCES_LIST_VIEW_DEFAULT_COLUMN_ORDER, + G_CALLBACK (update_columns_settings_from_metadata_and_preferences), + self, + G_CONNECT_SWAPPED); + + content_widget = nautilus_files_view_get_content_widget (NAUTILUS_FILES_VIEW (self)); + + self->view_ui = create_view_ui (self); + nautilus_list_base_setup_gestures (NAUTILUS_LIST_BASE (self)); + + setup_view_columns (self); + + self->directories_first = nautilus_files_view_should_sort_directories_first (NAUTILUS_FILES_VIEW (self)); + directories_sorter = gtk_custom_sorter_new (sort_directories_func, &self->directories_first, NULL); + + sorter = gtk_multi_sorter_new (); + gtk_multi_sorter_append (sorter, g_object_ref (GTK_SORTER (directories_sorter))); + gtk_multi_sorter_append (sorter, g_object_ref (gtk_column_view_get_sorter (self->view_ui))); + g_signal_connect_object (sorter, "changed", G_CALLBACK (on_sorter_changed), self, 0); + g_signal_connect_object (sorter, "changed", G_CALLBACK (on_after_sorter_changed), self, G_CONNECT_AFTER); + + model = nautilus_list_base_get_model (NAUTILUS_LIST_BASE (self)); + nautilus_view_model_set_sorter (model, GTK_SORTER (sorter)); + + gtk_scrolled_window_set_child (GTK_SCROLLED_WINDOW (content_widget), + GTK_WIDGET (self->view_ui)); + + self->action_group = nautilus_files_view_get_action_group (NAUTILUS_FILES_VIEW (self)); + g_action_map_add_action_entries (G_ACTION_MAP (self->action_group), + list_view_entries, + G_N_ELEMENTS (list_view_entries), + self); + + self->zoom_level = get_default_zoom_level (); + g_action_group_change_action_state (nautilus_files_view_get_action_group (NAUTILUS_FILES_VIEW (self)), + "zoom-to-level", g_variant_new_int32 (self->zoom_level)); +} + +static void +nautilus_list_view_dispose (GObject *object) +{ + NautilusListView *self = NAUTILUS_LIST_VIEW (object); + NautilusViewModel *model; + + model = nautilus_list_base_get_model (NAUTILUS_LIST_BASE (self)); + nautilus_view_model_set_sorter (model, NULL); + + g_clear_object (&self->file_path_base_location); + g_clear_pointer (&self->factory_to_column_map, g_hash_table_destroy); + g_clear_pointer (&self->all_view_columns_hash, g_hash_table_destroy); + + G_OBJECT_CLASS (nautilus_list_view_parent_class)->dispose (object); +} + +static void +nautilus_list_view_finalize (GObject *object) +{ + G_OBJECT_CLASS (nautilus_list_view_parent_class)->finalize (object); +} + +static void +nautilus_list_view_class_init (NautilusListViewClass *klass) +{ + GObjectClass *object_class = G_OBJECT_CLASS (klass); + NautilusFilesViewClass *files_view_class = NAUTILUS_FILES_VIEW_CLASS (klass); + NautilusListBaseClass *list_base_view_class = NAUTILUS_LIST_BASE_CLASS (klass); + + object_class->dispose = nautilus_list_view_dispose; + object_class->finalize = nautilus_list_view_finalize; + + files_view_class->begin_loading = real_begin_loading; + files_view_class->bump_zoom_level = real_bump_zoom_level; + files_view_class->can_zoom_in = real_can_zoom_in; + files_view_class->can_zoom_out = real_can_zoom_out; + files_view_class->sort_directories_first_changed = real_sort_directories_first_changed; + files_view_class->get_view_id = real_get_view_id; + files_view_class->restore_standard_zoom_level = real_restore_standard_zoom_level; + files_view_class->is_zoom_level_default = real_is_zoom_level_default; + + list_base_view_class->get_icon_size = real_get_icon_size; + list_base_view_class->get_view_ui = real_get_view_ui; + list_base_view_class->scroll_to_item = real_scroll_to_item; +} + +NautilusListView * +nautilus_list_view_new (NautilusWindowSlot *slot) +{ + return g_object_new (NAUTILUS_TYPE_LIST_VIEW, + "window-slot", slot, + NULL); +} |