static gboolean
toolbar_drag_motion (GtkToolbar *toolbar,
GdkDragContext *context,
gint x,
gint y,
guint time,
gpointer null)
{
gint index;
if (!drag_item)
{
drag_item = gtk_tool_button_new (NULL, "A quite long button");
gtk_object_sink (GTK_OBJECT (g_object_ref (drag_item)));
}
gdk_drag_status (context, GDK_ACTION_MOVE, time);
index = gtk_toolbar_get_drop_index (toolbar, x, y);
gtk_toolbar_set_drop_highlight_item (toolbar, drag_item, index);
return TRUE;
}
static void
toolbar_drag_data_received_cb (GtkToolbar *toolbar,
GdkDragContext *context,
gint x,
gint y,
GtkSelectionData *selection_data,
guint info,
guint time,
EggEditableToolbar *etoolbar)
{
/* This function can be called for two reasons
*
* (1) drag_motion() needs an item to pass to
* gtk_toolbar_set_drop_highlight_item(). We can
* recognize this case by etoolbar->priv->pending being TRUE
* We should just create an item and return.
*
* (2) The drag has finished, and drag_drop() wants us to
* actually add a new item to the toolbar.
*/
GdkAtom type = gtk_selection_data_get_data_type (selection_data);
const char *data = (char *)gtk_selection_data_get_data (selection_data);
int ipos = -1;
char *name = NULL;
gboolean used = FALSE;
/* Find out where the drop is occuring, and the name of what is being dropped. */
if (gtk_selection_data_get_length (selection_data) >= 0)
{
ipos = gtk_toolbar_get_drop_index (toolbar, x, y);
name = egg_toolbars_model_get_name (etoolbar->priv->model, type, data, FALSE);
if (name != NULL)
{
used = ((egg_toolbars_model_get_name_flags (etoolbar->priv->model, name) & EGG_TB_MODEL_NAME_USED) != 0);
}
}
/* If we just want a highlight item, then . */
if (etoolbar->priv->dnd_pending > 0)
{
etoolbar->priv->dnd_pending--;
if (name != NULL && etoolbar->priv->dnd_toolbar == toolbar && !used)
{
etoolbar->priv->dnd_toolitem = create_item_from_action (etoolbar, name);
gtk_toolbar_set_drop_highlight_item (etoolbar->priv->dnd_toolbar,
etoolbar->priv->dnd_toolitem, ipos);
}
}
else
{
gtk_toolbar_set_drop_highlight_item (toolbar, NULL, 0);
etoolbar->priv->dnd_toolbar = NULL;
etoolbar->priv->dnd_toolitem = NULL;
/* If we don't have a name to use yet, try to create one. */
if (name == NULL && gtk_selection_data_get_length (selection_data) >= 0)
{
name = egg_toolbars_model_get_name (etoolbar->priv->model, type, data, TRUE);
}
if (name != NULL && !used)
{
gint tpos = get_toolbar_position (etoolbar, GTK_WIDGET (toolbar));
egg_toolbars_model_add_item (etoolbar->priv->model, tpos, ipos, name);
gtk_drag_finish (context, TRUE, context->action == GDK_ACTION_MOVE, time);
}
else
{
gtk_drag_finish (context, FALSE, context->action == GDK_ACTION_MOVE, time);
}
}
g_free (name);
}
/**
* called when a widget is dropped onto the toolbar
*/
gboolean nsgtk_toolbar_data(GtkWidget *widget, GdkDragContext *gdc, gint x,
gint y, guint time, gpointer data)
{
nsgtk_scaffolding *g = (nsgtk_scaffolding *)data;
int ind = gtk_toolbar_get_drop_index(nsgtk_scaffolding_toolbar(g),
x, y);
int q, i;
if (window->currentbutton == -1)
return TRUE;
struct nsgtk_theme *theme =
nsgtk_theme_load(GTK_ICON_SIZE_LARGE_TOOLBAR);
if (theme == NULL) {
warn_user(messages_get("NoMemory"), 0);
return TRUE;
}
if (nsgtk_scaffolding_button(g, window->currentbutton)->location
!= -1) {
/* widget was already in the toolbar; so replace */
if (nsgtk_scaffolding_button(g, window->currentbutton)->
location < ind)
ind--;
gtk_container_remove(GTK_CONTAINER(
nsgtk_scaffolding_toolbar(g)), GTK_WIDGET(
nsgtk_scaffolding_button(g,
window->currentbutton)->button));
/* 'move' all widgets further right than the original location,
* one place to the left in logical schema */
for (i = nsgtk_scaffolding_button(g, window->currentbutton)->
location + 1; i < PLACEHOLDER_BUTTON; i++) {
q = nsgtk_toolbar_get_id_at_location(g, i);
if (q == -1)
continue;
nsgtk_scaffolding_button(g, q)->location--;
}
nsgtk_scaffolding_button(g, window->currentbutton)->
location = -1;
}
nsgtk_scaffolding_button(g, window->currentbutton)->button =
GTK_TOOL_ITEM(nsgtk_toolbar_make_widget(g,
window->currentbutton, theme));
free(theme);
if (nsgtk_scaffolding_button(g, window->currentbutton)->button
== NULL) {
warn_user("NoMemory", 0);
return TRUE;
}
/* update logical schema */
nsgtk_scaffolding_reset_offset(g);
/* 'move' all widgets further right than the new location, one place to
* the right in logical schema */
for (i = PLACEHOLDER_BUTTON - 1; i >= ind; i--) {
q = nsgtk_toolbar_get_id_at_location(g, i);
if (q == -1)
continue;
nsgtk_scaffolding_button(g, q)->location++;
}
nsgtk_scaffolding_button(g, window->currentbutton)->location = ind;
/* complete action */
gtk_toolbar_insert(nsgtk_scaffolding_toolbar(g),
nsgtk_scaffolding_button(g,
window->currentbutton)->button, ind);
gtk_tool_item_set_use_drag_window(GTK_TOOL_ITEM(
nsgtk_scaffolding_button(g,
window->currentbutton)->button), TRUE);
gtk_drag_source_set(GTK_WIDGET(
nsgtk_scaffolding_button(g,
window->currentbutton)->button),
GDK_BUTTON1_MASK, &entry, 1, GDK_ACTION_COPY);
nsgtk_toolbar_temp_connect(g, window->currentbutton);
gtk_widget_show_all(GTK_WIDGET(
nsgtk_scaffolding_button(g,
window->currentbutton)->button));
window->currentbutton = -1;
return TRUE;
}
static VALUE
rg_drop_index(VALUE self, VALUE x, VALUE y)
{
return INT2NUM(gtk_toolbar_get_drop_index(_SELF(self), NUM2INT(x), NUM2INT(y)));
}