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Diffstat (limited to '')
| -rw-r--r-- | src/nautilus-view-cell.c | 190 |
1 files changed, 190 insertions, 0 deletions
diff --git a/src/nautilus-view-cell.c b/src/nautilus-view-cell.c new file mode 100644 index 0000000..6f28fd8 --- /dev/null +++ b/src/nautilus-view-cell.c @@ -0,0 +1,190 @@ +/* + * Copyright (C) 2022 2022 António Fernandes <antoniof@gnome.org> + * + * SPDX-License-Identifier: GPL-3.0-or-later + */ + +#include "nautilus-view-cell.h" +#include "nautilus-list-base.h" + +/** + * NautilusViewCell: + * + * Abstract class of widgets tailored to be set as #GtkListItem:child in a view + * which subclasses #NautilusListBase. + * + * Subclass constructors should take a pointer to the #NautilusListBase view. + * + * The view is responsible for setting #NautilusViewCell:item. This can be done + * using a GBinding from #GtkListItem:item to #NautilusViewCell:item. + */ + +typedef struct _NautilusViewCellPrivate NautilusViewCellPrivate; +struct _NautilusViewCellPrivate +{ + AdwBin parent_instance; + + NautilusListBase *view; /* Unowned */ + NautilusViewItem *item; /* Owned reference */ + + gboolean called_once; +}; + + +G_DEFINE_ABSTRACT_TYPE_WITH_PRIVATE (NautilusViewCell, nautilus_view_cell, ADW_TYPE_BIN) + +enum +{ + PROP_0, + PROP_VIEW, + PROP_ITEM, + N_PROPS +}; + +static GParamSpec *properties[N_PROPS] = { NULL, }; + +static void +nautilus_view_cell_get_property (GObject *object, + guint prop_id, + GValue *value, + GParamSpec *pspec) +{ + NautilusViewCell *self = NAUTILUS_VIEW_CELL (object); + NautilusViewCellPrivate *priv = nautilus_view_cell_get_instance_private (self); + + switch (prop_id) + { + case PROP_VIEW: + { + g_value_set_object (value, priv->view); + } + break; + + case PROP_ITEM: + { + g_value_set_object (value, priv->item); + } + break; + + default: + { + G_OBJECT_WARN_INVALID_PROPERTY_ID (object, prop_id, pspec); + } + } +} + +static void +nautilus_view_cell_set_property (GObject *object, + guint prop_id, + const GValue *value, + GParamSpec *pspec) +{ + NautilusViewCell *self = NAUTILUS_VIEW_CELL (object); + NautilusViewCellPrivate *priv = nautilus_view_cell_get_instance_private (self); + + switch (prop_id) + { + case PROP_VIEW: + { + priv->view = g_value_get_object (value); + } + break; + + case PROP_ITEM: + { + g_set_object (&priv->item, g_value_get_object (value)); + } + break; + + default: + { + G_OBJECT_WARN_INVALID_PROPERTY_ID (object, prop_id, pspec); + } + } +} + +static void +nautilus_view_cell_init (NautilusViewCell *self) +{ + gtk_widget_set_name (GTK_WIDGET (self), "NautilusViewCell"); +} + +static void +nautilus_view_cell_finalize (GObject *object) +{ + NautilusViewCell *self = NAUTILUS_VIEW_CELL (object); + NautilusViewCellPrivate *priv = nautilus_view_cell_get_instance_private (self); + + g_clear_object (&priv->item); + + G_OBJECT_CLASS (nautilus_view_cell_parent_class)->finalize (object); +} + +static void +nautilus_view_cell_class_init (NautilusViewCellClass *klass) +{ + GObjectClass *object_class = G_OBJECT_CLASS (klass); + + object_class->finalize = nautilus_view_cell_finalize; + object_class->get_property = nautilus_view_cell_get_property; + object_class->set_property = nautilus_view_cell_set_property; + + properties[PROP_VIEW] = g_param_spec_object ("view", + "", "", + NAUTILUS_TYPE_LIST_BASE, + G_PARAM_READWRITE | G_PARAM_CONSTRUCT_ONLY | G_PARAM_STATIC_STRINGS); + properties[PROP_ITEM] = g_param_spec_object ("item", + "", "", + NAUTILUS_TYPE_VIEW_ITEM, + G_PARAM_READWRITE | G_PARAM_STATIC_STRINGS); + + g_object_class_install_properties (object_class, N_PROPS, properties); +} + +gboolean +nautilus_view_cell_once (NautilusViewCell *self) +{ + NautilusViewCellPrivate *priv = nautilus_view_cell_get_instance_private (self); + + if (priv->called_once) + { + return FALSE; + } + priv->called_once = TRUE; + + return TRUE; +} + +NautilusListBase * +nautilus_view_cell_get_view (NautilusViewCell *self) +{ + NautilusListBase *view; + + g_return_val_if_fail (NAUTILUS_IS_VIEW_CELL (self), NULL); + + g_object_get (self, "view", &view, NULL); + + return view; +} + +void +nautilus_view_cell_set_item (NautilusViewCell *self, + NautilusViewItem *item) +{ + g_return_if_fail (NAUTILUS_IS_VIEW_CELL (self)); + g_return_if_fail (item == NULL || NAUTILUS_IS_VIEW_ITEM (item)); + + g_object_set (self, "item", item, NULL); +} + +NautilusViewItem * +nautilus_view_cell_get_item (NautilusViewCell *self) +{ + NautilusViewItem *item; + + g_return_val_if_fail (NAUTILUS_IS_VIEW_CELL (self), NULL); + + g_object_get (self, "item", &item, NULL); + + return item; +} |