diff options
Diffstat (limited to 'src/nautilus-name-cell.c')
| -rw-r--r-- | src/nautilus-name-cell.c | 340 |
1 files changed, 340 insertions, 0 deletions
diff --git a/src/nautilus-name-cell.c b/src/nautilus-name-cell.c new file mode 100644 index 0000000..f7e0a27 --- /dev/null +++ b/src/nautilus-name-cell.c @@ -0,0 +1,340 @@ +/* + * Copyright (C) 2022 The GNOME project contributors + * + * SPDX-License-Identifier: GPL-3.0-or-later + */ + +#include "nautilus-name-cell.h" +#include "nautilus-file-utilities.h" + +struct _NautilusNameCell +{ + NautilusViewCell parent_instance; + + GSignalGroup *item_signal_group; + + GQuark path_attribute_q; + GFile *file_path_base_location; + + GtkWidget *fixed_height_box; + GtkWidget *icon; + GtkWidget *label; + GtkWidget *emblems_box; + GtkWidget *snippet_button; + GtkWidget *snippet; + GtkWidget *path; + + gboolean show_snippet; +}; + +G_DEFINE_TYPE (NautilusNameCell, nautilus_name_cell, NAUTILUS_TYPE_VIEW_CELL) + +static gchar * +get_path_text (NautilusFile *file, + GQuark path_attribute_q, + GFile *base_location) +{ + g_autofree gchar *path = NULL; + g_autoptr (GFile) dir_location = NULL; + g_autoptr (GFile) home_location = g_file_new_for_path (g_get_home_dir ()); + g_autoptr (GFile) root_location = g_file_new_for_path ("/"); + GFile *relative_location_base; + + if (path_attribute_q == 0) + { + return NULL; + } + + path = nautilus_file_get_string_attribute_q (file, path_attribute_q); + dir_location = g_file_new_for_commandline_arg (path); + + if (base_location != NULL && g_file_equal (base_location, dir_location)) + { + /* Only occurs when search result is + * a direct child of the base location + */ + return NULL; + } + + if (g_file_equal (dir_location, home_location)) + { + return nautilus_compute_title_for_location (home_location); + } + + relative_location_base = base_location; + if (relative_location_base == NULL) + { + /* Only occurs in Recent, Starred and Trash. */ + relative_location_base = home_location; + } + + if (!g_file_equal (relative_location_base, root_location) && + g_file_has_prefix (dir_location, relative_location_base)) + { + g_autofree gchar *relative_path = NULL; + g_autofree gchar *display_name = NULL; + + relative_path = g_file_get_relative_path (relative_location_base, dir_location); + display_name = g_filename_display_name (relative_path); + + /* Ensure a trailing slash to emphasize it is a directory */ + if (g_str_has_suffix (display_name, G_DIR_SEPARATOR_S)) + { + return g_steal_pointer (&display_name); + } + + return g_strconcat (display_name, G_DIR_SEPARATOR_S, NULL); + } + + return g_steal_pointer (&path); +} + +static void +update_labels (NautilusNameCell *self) +{ + g_autoptr (NautilusViewItem) item = NULL; + NautilusFile *file; + g_autofree gchar *display_name = NULL; + g_autofree gchar *path_text = NULL; + const gchar *fts_snippet = NULL; + + item = nautilus_view_cell_get_item (NAUTILUS_VIEW_CELL (self)); + g_return_if_fail (item != NULL); + file = nautilus_view_item_get_file (item); + + display_name = nautilus_file_get_display_name (file); + path_text = get_path_text (file, + self->path_attribute_q, + self->file_path_base_location); + if (self->show_snippet) + { + fts_snippet = nautilus_file_get_search_fts_snippet (file); + } + + gtk_label_set_text (GTK_LABEL (self->label), display_name); + gtk_label_set_text (GTK_LABEL (self->path), path_text); + gtk_label_set_markup (GTK_LABEL (self->snippet), fts_snippet); + + gtk_widget_set_visible (self->path, (path_text != NULL)); + gtk_widget_set_visible (self->snippet_button, (fts_snippet != NULL)); +} + +static void +update_icon (NautilusNameCell *self) +{ + NautilusFileIconFlags flags; + g_autoptr (GdkPaintable) icon_paintable = NULL; + GtkStyleContext *style_context; + g_autoptr (NautilusViewItem) item = NULL; + NautilusFile *file; + guint icon_size; + gint scale_factor; + int icon_height; + int extra_margin; + g_autofree gchar *thumbnail_path = NULL; + + item = nautilus_view_cell_get_item (NAUTILUS_VIEW_CELL (self)); + g_return_if_fail (item != NULL); + + file = nautilus_view_item_get_file (item); + icon_size = nautilus_view_item_get_icon_size (item); + scale_factor = gtk_widget_get_scale_factor (GTK_WIDGET (self)); + flags = NAUTILUS_FILE_ICON_FLAGS_USE_THUMBNAILS; + + icon_paintable = nautilus_file_get_icon_paintable (file, icon_size, scale_factor, flags); + gtk_picture_set_paintable (GTK_PICTURE (self->icon), icon_paintable); + + /* Set the same width for all icons regardless of aspect ratio. + * Don't set the width here because it would get GtkPicture w4h confused. + */ + gtk_widget_set_size_request (self->fixed_height_box, icon_size, -1); + + /* Give all items the same minimum width. This cannot be done by setting the + * width request directly, as above, because it would get mess up with + * height for width calculations. + * + * Instead we must add margins on both sides of the icon which, summed up + * with the icon's actual width, equal the desired item width. */ + icon_height = gdk_paintable_get_intrinsic_height (icon_paintable); + extra_margin = (icon_size - icon_height) / 2; + gtk_widget_set_margin_top (self->fixed_height_box, extra_margin); + gtk_widget_set_margin_bottom (self->fixed_height_box, extra_margin); + + style_context = gtk_widget_get_style_context (self->icon); + thumbnail_path = nautilus_file_get_thumbnail_path (file); + if (icon_size >= NAUTILUS_THUMBNAIL_MINIMUM_ICON_SIZE && + thumbnail_path != NULL && + nautilus_file_should_show_thumbnail (file)) + { + gtk_style_context_add_class (style_context, "thumbnail"); + } + else + { + gtk_style_context_remove_class (style_context, "thumbnail"); + } +} + +static void +update_emblems (NautilusNameCell *self) +{ + g_autoptr (NautilusViewItem) item = NULL; + NautilusFile *file; + GtkWidget *child; + GtkIconTheme *theme; + g_autolist (GIcon) emblems = NULL; + + item = nautilus_view_cell_get_item (NAUTILUS_VIEW_CELL (self)); + g_return_if_fail (item != NULL); + file = nautilus_view_item_get_file (item); + + /* Remove old emblems. */ + while ((child = gtk_widget_get_first_child (self->emblems_box)) != NULL) + { + gtk_box_remove (GTK_BOX (self->emblems_box), child); + } + + theme = gtk_icon_theme_get_for_display (gdk_display_get_default ()); + emblems = nautilus_file_get_emblem_icons (file); + for (GList *l = emblems; l != NULL; l = l->next) + { + if (!gtk_icon_theme_has_gicon (theme, l->data)) + { + g_autofree gchar *icon_string = g_icon_to_string (l->data); + g_warning ("Failed to add emblem. “%s” not found in the icon theme", + icon_string); + continue; + } + + gtk_box_append (GTK_BOX (self->emblems_box), + gtk_image_new_from_gicon (l->data)); + } +} + +static void +on_file_changed (NautilusNameCell *self) +{ + update_icon (self); + update_labels (self); + update_emblems (self); +} + +static void +on_item_size_changed (NautilusNameCell *self) +{ + update_icon (self); +} + +static void +on_item_drag_accept_changed (NautilusNameCell *self) +{ + gboolean drag_accept; + g_autoptr (NautilusViewItem) item = NULL; + GtkWidget *list_row = gtk_widget_get_parent (gtk_widget_get_parent (GTK_WIDGET (self))); + + item = nautilus_view_cell_get_item (NAUTILUS_VIEW_CELL (self)); + g_object_get (item, "drag-accept", &drag_accept, NULL); + if (drag_accept) + { + gtk_widget_set_state_flags (list_row, GTK_STATE_FLAG_DROP_ACTIVE, FALSE); + } + else + { + gtk_widget_unset_state_flags (list_row, GTK_STATE_FLAG_DROP_ACTIVE); + } +} + +static void +on_item_is_cut_changed (NautilusNameCell *self) +{ + gboolean is_cut; + g_autoptr (NautilusViewItem) item = NULL; + + item = nautilus_view_cell_get_item (NAUTILUS_VIEW_CELL (self)); + g_object_get (item, + "is-cut", &is_cut, + NULL); + if (is_cut) + { + gtk_widget_add_css_class (self->icon, "cut"); + } + else + { + gtk_widget_remove_css_class (self->icon, "cut"); + } +} + +static void +nautilus_name_cell_init (NautilusNameCell *self) +{ + gtk_widget_init_template (GTK_WIDGET (self)); + + /* Connect automatically to an item. */ + self->item_signal_group = g_signal_group_new (NAUTILUS_TYPE_VIEW_ITEM); + g_signal_group_connect_swapped (self->item_signal_group, "notify::icon-size", + (GCallback) on_item_size_changed, self); + g_signal_group_connect_swapped (self->item_signal_group, "notify::drag-accept", + (GCallback) on_item_drag_accept_changed, self); + g_signal_group_connect_swapped (self->item_signal_group, "notify::is-cut", + (GCallback) on_item_is_cut_changed, self); + g_signal_group_connect_swapped (self->item_signal_group, "file-changed", + (GCallback) on_file_changed, self); + g_signal_connect_object (self->item_signal_group, "bind", + (GCallback) on_file_changed, self, + G_CONNECT_SWAPPED); + + g_object_bind_property (self, "item", + self->item_signal_group, "target", + G_BINDING_SYNC_CREATE); +} + +static void +nautilus_name_cell_finalize (GObject *object) +{ + NautilusNameCell *self = (NautilusNameCell *) object; + + g_clear_object (&self->item_signal_group); + g_clear_object (&self->file_path_base_location); + G_OBJECT_CLASS (nautilus_name_cell_parent_class)->finalize (object); +} + +static void +nautilus_name_cell_class_init (NautilusNameCellClass *klass) +{ + GObjectClass *object_class = G_OBJECT_CLASS (klass); + GtkWidgetClass *widget_class = GTK_WIDGET_CLASS (klass); + + object_class->finalize = nautilus_name_cell_finalize; + + gtk_widget_class_set_template_from_resource (widget_class, "/org/gnome/nautilus/ui/nautilus-name-cell.ui"); + + gtk_widget_class_bind_template_child (widget_class, NautilusNameCell, fixed_height_box); + gtk_widget_class_bind_template_child (widget_class, NautilusNameCell, icon); + gtk_widget_class_bind_template_child (widget_class, NautilusNameCell, label); + gtk_widget_class_bind_template_child (widget_class, NautilusNameCell, emblems_box); + gtk_widget_class_bind_template_child (widget_class, NautilusNameCell, snippet_button); + gtk_widget_class_bind_template_child (widget_class, NautilusNameCell, snippet); + gtk_widget_class_bind_template_child (widget_class, NautilusNameCell, path); +} + +NautilusViewCell * +nautilus_name_cell_new (NautilusListBase *view) +{ + return NAUTILUS_VIEW_CELL (g_object_new (NAUTILUS_TYPE_NAME_CELL, + "view", view, + NULL)); +} + +void +nautilus_name_cell_set_path (NautilusNameCell *self, + GQuark path_attribute_q, + GFile *base_location) +{ + self->path_attribute_q = path_attribute_q; + g_set_object (&self->file_path_base_location, base_location); +} + +void +nautilus_name_cell_show_snippet (NautilusNameCell *self) +{ + self->show_snippet = TRUE; +} |