Commit dee0da30 authored by Matthias Clasen's avatar Matthias Clasen

Add a tree dnd testcase

This shows a minimal setup for enabling non-row DND from a treeview.
parent 245daa41
......@@ -116,6 +116,7 @@ noinst_PROGRAMS = $(TEST_PROGS) \
testtoolbar2 \
stresstest-toolbar \
testtreechanging \
testtreednd \
testtreeedit \
testtreemodel \
testtreeview \
......@@ -258,6 +259,7 @@ testspinbutton_DEPENDENCIES = $(TEST_DEPS)
teststatusicon_DEPENDENCIES = $(TEST_DEPS)
teststockbuttonmenu_DEPENDENCIES = $(TEST_DEPS)
testtreechanging_DEPENDENCIES = $(DEPS)
testtreednd_DEPENDENCIES = $(DEPS)
testtreeedit_DEPENDENCIES = $(DEPS)
testtreemodel_DEPENDENCIES = $(DEPS)
testtreeview_DEPENDENCIES = $(DEPS)
......@@ -368,6 +370,9 @@ testgtk_SOURCES = \
testtreechanging_SOURCES = \
testtreechanging.c
testtreednd_SOURCES = \
testtreednd.c
testtreeedit_SOURCES = \
testtreeedit.c
......
#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;
}
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