Adding upstream version 43.2.upstream/43.2upstream

Signed-off-by: Daniel Baumann <daniel.baumann@progress-linux.org>

1 files changed, 282 insertions, 0 deletions

diff --git a/src/nautilus-grid-cell.c b/src/nautilus-grid-cell.c
new file mode 100644
index 0000000..9da7b78
--- /dev/null
+++ b/src/nautilus-grid-cell.c
@@ -0,0 +1,282 @@
+/*
+ * Copyright (C) 2022 The GNOME project contributors
+ *
+ * SPDX-License-Identifier: GPL-3.0-or-later
+ */
+
+#include "nautilus-grid-cell.h"
+
+struct _NautilusGridCell
+{
+    NautilusViewCell parent_instance;
+
+    GSignalGroup *item_signal_group;
+
+    GQuark *caption_attributes;
+
+    GtkWidget *fixed_height_box;
+    GtkWidget *icon;
+    GtkWidget *emblems_box;
+    GtkWidget *label;
+    GtkWidget *first_caption;
+    GtkWidget *second_caption;
+    GtkWidget *third_caption;
+};
+
+G_DEFINE_TYPE (NautilusGridCell, nautilus_grid_cell, NAUTILUS_TYPE_VIEW_CELL)
+
+static void
+update_icon (NautilusGridCell *self)
+{
+    g_autoptr (NautilusViewItem) item = NULL;
+    NautilusFileIconFlags flags;
+    g_autoptr (GdkPaintable) icon_paintable = NULL;
+    GtkStyleContext *style_context;
+    NautilusFile *file;
+    guint icon_size;
+    gint scale_factor;
+    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 height and width for all icons regardless of aspect ratio.
+     */
+    gtk_widget_set_size_request (self->fixed_height_box, icon_size, icon_size);
+    style_context = gtk_widget_get_style_context (self->icon);
+    thumbnail_path = nautilus_file_get_thumbnail_path (file);
+    if (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_captions (NautilusGridCell *self)
+{
+    g_autoptr (NautilusViewItem) item = NULL;
+    NautilusFile *file;
+    GtkWidget * const caption_labels[] =
+    {
+        self->first_caption,
+        self->second_caption,
+        self->third_caption
+    };
+    G_STATIC_ASSERT (G_N_ELEMENTS (caption_labels) == NAUTILUS_GRID_CELL_N_CAPTIONS);
+
+    item = nautilus_view_cell_get_item (NAUTILUS_VIEW_CELL (self));
+    g_return_if_fail (item != NULL);
+    file = nautilus_view_item_get_file (item);
+    for (guint i = 0; i < NAUTILUS_GRID_CELL_N_CAPTIONS; i++)
+    {
+        GQuark attribute_q = self->caption_attributes[i];
+        gboolean show_caption;
+
+        show_caption = (attribute_q != 0);
+        gtk_widget_set_visible (caption_labels[i], show_caption);
+        if (show_caption)
+        {
+            g_autofree gchar *string = NULL;
+            string = nautilus_file_get_string_attribute_q (file, attribute_q);
+            gtk_label_set_text (GTK_LABEL (caption_labels[i]), string);
+        }
+    }
+}
+
+static void
+update_emblems (NautilusGridCell *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 (NautilusGridCell *self)
+{
+    g_autoptr (NautilusViewItem) item = NULL;
+    NautilusFile *file;
+    g_autofree gchar *name = NULL;
+
+    item = nautilus_view_cell_get_item (NAUTILUS_VIEW_CELL (self));
+    g_return_if_fail (item != NULL);
+    file = nautilus_view_item_get_file (item);
+
+    update_icon (self);
+    update_emblems (self);
+
+    name = nautilus_file_get_display_name (file);
+
+    gtk_label_set_text (GTK_LABEL (self->label), name);
+    update_captions (self);
+}
+
+static void
+on_item_size_changed (NautilusGridCell *self)
+{
+    update_icon (self);
+    update_captions (self);
+}
+
+static void
+on_item_is_cut_changed (NautilusGridCell *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 gboolean
+on_label_query_tooltip (GtkWidget  *widget,
+                        int         x,
+                        int         y,
+                        gboolean    keyboard_tip,
+                        GtkTooltip *tooltip,
+                        gpointer    user_data)
+{
+    GtkLabel *label = GTK_LABEL (widget);
+
+    if (pango_layout_is_ellipsized (gtk_label_get_layout (label)))
+    {
+        gtk_tooltip_set_markup (tooltip, gtk_label_get_label (label));
+        return TRUE;
+    }
+
+    return FALSE;
+}
+
+static void
+finalize (GObject *object)
+{
+    NautilusGridCell *self = (NautilusGridCell *) object;
+
+    g_object_unref (self->item_signal_group);
+    G_OBJECT_CLASS (nautilus_grid_cell_parent_class)->finalize (object);
+}
+
+static void
+nautilus_grid_cell_class_init (NautilusGridCellClass *klass)
+{
+    GObjectClass *object_class = G_OBJECT_CLASS (klass);
+    GtkWidgetClass *widget_class = GTK_WIDGET_CLASS (klass);
+
+    object_class->finalize = finalize;
+
+    gtk_widget_class_set_template_from_resource (widget_class, "/org/gnome/nautilus/ui/nautilus-grid-cell.ui");
+
+    gtk_widget_class_bind_template_child (widget_class, NautilusGridCell, fixed_height_box);
+    gtk_widget_class_bind_template_child (widget_class, NautilusGridCell, icon);
+    gtk_widget_class_bind_template_child (widget_class, NautilusGridCell, emblems_box);
+    gtk_widget_class_bind_template_child (widget_class, NautilusGridCell, label);
+    gtk_widget_class_bind_template_child (widget_class, NautilusGridCell, first_caption);
+    gtk_widget_class_bind_template_child (widget_class, NautilusGridCell, second_caption);
+    gtk_widget_class_bind_template_child (widget_class, NautilusGridCell, third_caption);
+
+    gtk_widget_class_set_accessible_role (widget_class, GTK_ACCESSIBLE_ROLE_GRID_CELL);
+}
+
+static void
+nautilus_grid_cell_init (NautilusGridCell *self)
+{
+    gtk_widget_init_template (GTK_WIDGET (self));
+
+    g_signal_connect (self->label, "query-tooltip",
+                      G_CALLBACK (on_label_query_tooltip), NULL);
+
+    /* 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::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);
+
+#if PANGO_VERSION_CHECK (1, 44, 4)
+    {
+        PangoAttrList *attr_list;
+
+        /* GTK4 TODO: This attribute is set in the UI file but GTK 3 ignores it.
+         * Remove this block after the switch to GTK 4. */
+        attr_list = pango_attr_list_new ();
+        pango_attr_list_insert (attr_list, pango_attr_insert_hyphens_new (FALSE));
+        gtk_label_set_attributes (GTK_LABEL (self->label), attr_list);
+        pango_attr_list_unref (attr_list);
+    }
+#endif
+}
+
+NautilusGridCell *
+nautilus_grid_cell_new (NautilusListBase *view)
+{
+    return g_object_new (NAUTILUS_TYPE_GRID_CELL,
+                         "view", view,
+                         NULL);
+}
+
+void
+nautilus_grid_cell_set_caption_attributes (NautilusGridCell *self,
+                                           GQuark           *attrs)
+{
+    self->caption_attributes = attrs;
+}