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| author | Matthias Clasen <mclasen@redhat.com> | 2015-06-05 08:33:59 -0400 |
|---|---|---|
| committer | Matthias Clasen <mclasen@redhat.com> | 2015-06-05 08:33:59 -0400 |
| commit | dee0da30b65cea3bf59fcbe1ff147dff266f09f7 (patch) | |
| tree | a0babf9f8d1e11c7bf91bb46ffae78f55fd46fa1 /tests/testtreednd.c | |
| parent | 245daa415edcdd91a525bc244cec2a2bd40567ec (diff) | |
| download | gtk+-dee0da30b65cea3bf59fcbe1ff147dff266f09f7.tar.gz | |
Add a tree dnd testcase
This shows a minimal setup for enabling non-row DND from a treeview.
Diffstat (limited to 'tests/testtreednd.c')
| -rw-r--r-- | tests/testtreednd.c | 135 |
1 files changed, 135 insertions, 0 deletions
diff --git a/tests/testtreednd.c b/tests/testtreednd.c new file mode 100644 index 0000000000..0a84ec3b8a --- /dev/null +++ b/tests/testtreednd.c @@ -0,0 +1,135 @@ +#include <gtk/gtk.h> + +typedef GtkListStore MyModel; +typedef GtkListStoreClass MyModelClass; + +static void my_model_drag_source_init (GtkTreeDragSourceIface *iface); + +G_DEFINE_TYPE_WITH_CODE (MyModel, my_model, GTK_TYPE_LIST_STORE, + G_IMPLEMENT_INTERFACE (GTK_TYPE_TREE_DRAG_SOURCE, + my_model_drag_source_init)) + +static void +my_model_class_init (MyModelClass *class) +{ +} + +static void +my_model_init (MyModel *object) +{ + GType types[1] = { G_TYPE_STRING }; + + gtk_list_store_set_column_types (GTK_LIST_STORE (object), G_N_ELEMENTS (types), types); +} + +static gboolean +my_model_drag_data_get (GtkTreeDragSource *source, + GtkTreePath *path, + GtkSelectionData *data) +{ + GtkTreeIter iter; + gchar *text; + + gtk_tree_model_get_iter (GTK_TREE_MODEL (source), &iter, path); + gtk_tree_model_get (GTK_TREE_MODEL (source), &iter, 0, &text, -1); + gtk_selection_data_set_text (data, text, -1); + g_free (text); + + return TRUE; +} + +static void +my_model_drag_source_init (GtkTreeDragSourceIface *iface) +{ + static GtkTreeDragSourceIface *parent; + + parent = g_type_interface_peek_parent (iface); + + iface->row_draggable = parent->row_draggable; + iface->drag_data_delete = parent->drag_data_delete; + iface->drag_data_get = my_model_drag_data_get; +} + +static GtkTreeModel * +get_model (void) +{ + MyModel *model; + + model = g_object_new (my_model_get_type (), NULL); + gtk_list_store_insert_with_values (GTK_LIST_STORE (model), NULL, -1, 0, "Item 1", -1); + gtk_list_store_insert_with_values (GTK_LIST_STORE (model), NULL, -1, 0, "Item 2", -1); + gtk_list_store_insert_with_values (GTK_LIST_STORE (model), NULL, -1, 0, "Item 3", -1); + + return GTK_TREE_MODEL (model); +} + +static GtkTargetEntry entries[] = { + { "text/plain", 0, 0 } +}; + +static GtkWidget * +get_dragsource (void) +{ + GtkTreeView *tv; + GtkCellRenderer *renderer; + GtkTreeViewColumn *column; + + tv = (GtkTreeView*) gtk_tree_view_new (); + renderer = gtk_cell_renderer_text_new (); + column = gtk_tree_view_column_new_with_attributes ("Text", renderer, "text", 0, NULL); + gtk_tree_view_append_column (tv, column); + + gtk_tree_view_set_model (tv, get_model ()); + gtk_tree_view_enable_model_drag_source (tv, GDK_BUTTON1_MASK, entries, G_N_ELEMENTS (entries), GDK_ACTION_COPY); + + return GTK_WIDGET (tv); +} + +static void +data_received (GtkWidget *widget, + GdkDragContext *context, + gint x, gint y, + GtkSelectionData *selda, + guint info, guint time, + gpointer dada) +{ + gchar *text; + + text = (gchar*) gtk_selection_data_get_text (selda); + gtk_label_set_label (GTK_LABEL (widget), text); + g_free (text); +} + +static GtkWidget * +get_droptarget (void) +{ + GtkWidget *label; + + label = gtk_label_new ("Drop here"); + gtk_drag_dest_set (label, GTK_DEST_DEFAULT_ALL, entries, G_N_ELEMENTS (entries), GDK_ACTION_COPY); + g_signal_connect (label, "drag-data-received", G_CALLBACK (data_received), NULL); + + return label; +} + +int +main (int argc, char *argv[]) +{ + GtkWidget *window; + GtkWidget *box; + + gtk_init (NULL, NULL); + + window = gtk_window_new (GTK_WINDOW_TOPLEVEL); + + box = gtk_box_new (GTK_ORIENTATION_HORIZONTAL, 0); + gtk_container_add (GTK_CONTAINER (window), box); + gtk_container_add (GTK_CONTAINER (box), get_dragsource ()); + gtk_container_add (GTK_CONTAINER (box), get_droptarget ()); + + gtk_widget_show_all (window); + + gtk_main (); + + return 0; +} |