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ae63b21c61
Use a custom tree model and enable dragging from the icon view. Currently, we just support dropping the icon name as text.
92 lines
2.0 KiB
C
92 lines
2.0 KiB
C
#include "iconstore.h"
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#include <gtk/gtk.h>
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struct _IconStore
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{
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GtkListStore parent;
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gint text_column;
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};
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struct _IconStoreClass
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{
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GtkListStoreClass parent_class;
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};
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static void icon_store_drag_source_init (GtkTreeDragSourceIface *iface);
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G_DEFINE_TYPE_WITH_CODE (IconStore, icon_store, GTK_TYPE_LIST_STORE,
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G_IMPLEMENT_INTERFACE (GTK_TYPE_TREE_DRAG_SOURCE,
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icon_store_drag_source_init))
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static void
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icon_store_init (IconStore *store)
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{
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GType types[4] = { G_TYPE_STRING, G_TYPE_STRING, G_TYPE_STRING, G_TYPE_STRING };
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gtk_list_store_set_column_types (GTK_LIST_STORE (store), 4, types);
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store->text_column = ICON_STORE_NAME_COLUMN;
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}
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static void
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icon_store_class_init (IconStoreClass *class)
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{
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}
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static gboolean
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row_draggable (GtkTreeDragSource *drag_source,
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GtkTreePath *path)
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{
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return TRUE;
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}
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static gboolean
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drag_data_delete (GtkTreeDragSource *drag_source,
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GtkTreePath *path)
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{
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GtkTreeIter iter;
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if (gtk_tree_model_get_iter (GTK_TREE_MODEL (drag_source), &iter, path))
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return gtk_list_store_remove (GTK_LIST_STORE (drag_source), &iter);
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return FALSE;
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}
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static gboolean
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drag_data_get (GtkTreeDragSource *drag_source,
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GtkTreePath *path,
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GtkSelectionData *selection)
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{
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GtkTreeIter iter;
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gchar *text;
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if (!gtk_tree_model_get_iter (GTK_TREE_MODEL (drag_source), &iter, path))
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return FALSE;
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gtk_tree_model_get (GTK_TREE_MODEL (drag_source), &iter,
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ICON_STORE (drag_source)->text_column, &text,
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-1);
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gtk_selection_data_set_text (selection, text, -1);
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g_free (text);
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return TRUE;
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}
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static void
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icon_store_drag_source_init (GtkTreeDragSourceIface *iface)
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{
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iface->row_draggable = row_draggable;
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iface->drag_data_delete = drag_data_delete;
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iface->drag_data_get = drag_data_get;
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}
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void
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icon_store_set_text_column (IconStore *store, gint text_column)
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{
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store->text_column = text_column;
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}
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