gboolean
on_differs_badge_button_press(GooCanvasItem *item, GooCanvasItem *target_item, GdkEventButton *event, GooCanvasItemModel *model)
{
I7Node *self = I7_NODE(goo_canvas_item_model_get_parent(GOO_CANVAS_ITEM_MODEL(model)));
I7Skein *skein = I7_SKEIN(goo_canvas_item_model_get_parent(GOO_CANVAS_ITEM_MODEL(self)));
if(event->type == GDK_2BUTTON_PRESS && event->button == 1) {
g_signal_emit_by_name(skein, "differs-badge-activate", self);
return TRUE;
}
return FALSE;
}
/**
* goo_canvas_item_model_lower:
* @model: an item model.
* @below: (allow-none): the item model to lower @model below, or %NULL to lower @model to the
* bottom of the stack.
*
* Lowers a model in the stacking order.
**/
void
goo_canvas_item_model_lower (GooCanvasItemModel *model,
GooCanvasItemModel *below)
{
GooCanvasItemModel *parent, *child;
int n_children, i, model_pos = -1, below_pos = -1;
parent = goo_canvas_item_model_get_parent (model);
if (!parent || model == below)
return;
/* Find the current position of model and below. */
n_children = goo_canvas_item_model_get_n_children (parent);
for (i = 0; i < n_children; i++)
{
child = goo_canvas_item_model_get_child (parent, i);
if (child == model)
model_pos = i;
if (child == below)
below_pos = i;
}
/* If below is NULL we lower the model to the bottom of the stack. */
if (!below)
below_pos = 0;
g_return_if_fail (model_pos != -1);
g_return_if_fail (below_pos != -1);
/* Only move the model if the new position is lower in the stack. */
if (below_pos < model_pos)
goo_canvas_item_model_move_child (parent, model_pos, below_pos);
}
/**
* goo_canvas_item_model_raise:
* @model: an item model.
* @above: (allow-none): the item model to raise @model above, or %NULL to raise @model to the top
* of the stack.
*
* Raises a model in the stacking order.
**/
void
goo_canvas_item_model_raise (GooCanvasItemModel *model,
GooCanvasItemModel *above)
{
GooCanvasItemModel *parent, *child;
int n_children, i, model_pos = -1, above_pos = -1;
parent = goo_canvas_item_model_get_parent (model);
if (!parent || model == above)
return;
/* Find the current position of model and above. */
n_children = goo_canvas_item_model_get_n_children (parent);
for (i = 0; i < n_children; i++)
{
child = goo_canvas_item_model_get_child (parent, i);
if (child == model)
model_pos = i;
if (child == above)
above_pos = i;
}
/* If above is NULL we raise the model to the top of the stack. */
if (!above)
above_pos = n_children - 1;
g_return_if_fail (model_pos != -1);
g_return_if_fail (above_pos != -1);
/* Only move the model if the new position is higher in the stack. */
if (above_pos > model_pos)
goo_canvas_item_model_move_child (parent, model_pos, above_pos);
}
static gboolean
on_button_press (GooCanvasItem *item,
GooCanvasItem *target,
GdkEventButton *event,
gpointer data)
{
GooCanvasItemModel *model = goo_canvas_item_get_model (item);
GooCanvasItemModel *parent1, *parent2, *parent;
if (event->button != 1 || event->type != GDK_BUTTON_PRESS)
return FALSE;
parent1 = g_object_get_data (G_OBJECT (model), "parent1");
parent2 = g_object_get_data (G_OBJECT (model), "parent2");
parent = goo_canvas_item_model_get_parent (model);
g_object_ref (model);
goo_canvas_item_model_remove (model);
if (parent == parent1)
goo_canvas_item_model_add_child (parent2, model, -1);
else
goo_canvas_item_model_add_child (parent1, model, -1);
g_object_unref (model);
return TRUE;
}
gboolean
on_node_button_press(GooCanvasItem *item, GooCanvasItem *target_item, GdkEventButton *event, I7Node *self)
{
I7Skein *skein = I7_SKEIN(goo_canvas_item_model_get_parent(GOO_CANVAS_ITEM_MODEL(self)));
if(event->type == GDK_2BUTTON_PRESS && event->button == 1) {
g_signal_emit_by_name(skein, "node-activate", self);
return TRUE;
} else if(event->type == GDK_BUTTON_PRESS && event->button == 3) {
GooCanvas *view = goo_canvas_item_get_canvas(target_item);
g_signal_emit_by_name(view, "node-menu-popup", self);
return TRUE;
}
return FALSE;
}
/**
* goo_canvas_item_model_remove:
* @model: an item model.
*
* Removes a model from its parent. If the model is in a canvas it will be
* removed.
*
* This would normally also result in the model being freed.
**/
void
goo_canvas_item_model_remove (GooCanvasItemModel *model)
{
GooCanvasItemModel *parent;
gint child_num;
parent = goo_canvas_item_model_get_parent (model);
if (!parent)
return;
child_num = goo_canvas_item_model_find_child (parent, model);
if (child_num == -1)
return;
goo_canvas_item_model_remove_child (parent, child_num);
}
static void
on_item_created (GooCanvas *canvas,
GooCanvasItem *item,
GooCanvasItemModel *model,
gpointer data)
{
if (goo_canvas_item_model_get_parent (model)
&& GOO_IS_CANVAS_GROUP_MODEL (model))
{
g_signal_connect (item, "enter_notify_event",
G_CALLBACK (piece_enter_notify),
NULL);
g_signal_connect (item, "leave_notify_event",
G_CALLBACK (piece_leave_notify),
NULL);
g_signal_connect (item, "button_press_event",
G_CALLBACK (piece_button_press),
NULL);
}
}
