/**
* gdl_dock_add_item:
* @dock: A #GdlDock widget
* @item: A #GdlDockItem widget
* @placement: A position for the widget
*
* Dock in @dock, the widget @item at the position defined by @placement. The
* function takes care of finding the right parent widget eventually creating
* it if needed.
*/
void
gdl_dock_add_item (GdlDock *dock,
GdlDockItem *item,
GdlDockPlacement placement)
{
GdlDockObject *placeholder;
GdlDockObject *parent = NULL;
GdlDockPlacement place;
g_return_if_fail (dock != NULL);
g_return_if_fail (item != NULL);
/* Check if a placeholder widget already exist in the same dock */
placeholder = gdl_dock_master_get_object (GDL_DOCK_MASTER (gdl_dock_object_get_master (GDL_DOCK_OBJECT (dock))), gdl_dock_object_get_name (GDL_DOCK_OBJECT (item)));
if ((placeholder != GDL_DOCK_OBJECT (item)) && (placeholder != NULL)) {
if (gdl_dock_object_get_toplevel (placeholder) == dock) {
parent = gdl_dock_object_get_parent_object (placeholder);
} else {
gtk_widget_destroy (GTK_WIDGET (placeholder));
}
}
if (parent && gdl_dock_object_child_placement (parent, placeholder, &place))
{
gdl_dock_object_freeze (GDL_DOCK_OBJECT (parent));
gtk_widget_destroy (GTK_WIDGET (placeholder));
gdl_dock_object_dock (GDL_DOCK_OBJECT (parent),
GDL_DOCK_OBJECT (item),
place, NULL);
gdl_dock_object_thaw (GDL_DOCK_OBJECT (parent));
}
else if (placement == GDL_DOCK_FLOATING)
/* Add the item to a new floating dock */
gdl_dock_add_floating_item (dock, item, 0, 0, -1, -1);
else {
GdlDockItem *best_dock_item;
/* Non-floating item. */
if (dock->priv->root) {
GdlDockPlacement local_placement;
GtkRequisition preferred_size;
best_dock_item =
gdl_dock_find_best_placement_item (GDL_DOCK_ITEM (dock->priv->root),
placement, 0);
local_placement = gdl_dock_refine_placement (dock, best_dock_item,
placement);
gdl_dock_object_dock (GDL_DOCK_OBJECT (best_dock_item),
GDL_DOCK_OBJECT (item),
local_placement, NULL);
} else {
gdl_dock_object_dock (GDL_DOCK_OBJECT (dock),
GDL_DOCK_OBJECT (item),
placement, NULL);
}
}
}
static void
gdl_dock_master_drag_motion (GdlDockItem *item,
gint root_x,
gint root_y,
gpointer data)
{
GdlDockMaster *master;
GdlDockRequest my_request, *request;
GdkWindow *window;
gint win_x, win_y;
gint x, y;
GdlDock *dock = NULL;
gboolean may_dock = FALSE;
g_return_if_fail (item != NULL && data != NULL);
master = GDL_DOCK_MASTER (data);
request = master->_priv->drag_request;
g_return_if_fail (GDL_DOCK_OBJECT (item) == request->applicant);
my_request = *request;
/* first look under the pointer */
window = gdk_window_at_pointer (&win_x, &win_y);
if (window) {
GtkWidget *widget;
/* ok, now get the widget who owns that window and see if we can
get to a GdlDock by walking up the hierarchy */
gdk_window_get_user_data (window, (gpointer) &widget);
if (GTK_IS_WIDGET (widget)) {
while (widget && (!GDL_IS_DOCK (widget) ||
GDL_DOCK_OBJECT_GET_MASTER (widget) != master))
widget = widget->parent;
if (widget) {
gint win_w, win_h;
/* verify that the pointer is still in that dock
(the user could have moved it) */
gdk_window_get_geometry (widget->window,
NULL, NULL, &win_w, &win_h, NULL);
gdk_window_get_origin (widget->window, &win_x, &win_y);
if (root_x >= win_x && root_x < win_x + win_w &&
root_y >= win_y && root_y < win_y + win_h)
dock = GDL_DOCK (widget);
}
}
}
if (dock) {
/* translate root coordinates into dock object coordinates
(i.e. widget coordinates) */
gdk_window_get_origin (GTK_WIDGET (dock)->window, &win_x, &win_y);
x = root_x - win_x;
y = root_y - win_y;
may_dock = gdl_dock_object_dock_request (GDL_DOCK_OBJECT (dock),
x, y, &my_request);
}
else {
GList *l;
/* try to dock the item in all the docks in the ring in turn */
for (l = master->toplevel_docks; l; l = l->next) {
dock = GDL_DOCK (l->data);
/* translate root coordinates into dock object coordinates
(i.e. widget coordinates) */
gdk_window_get_origin (GTK_WIDGET (dock)->window, &win_x, &win_y);
x = root_x - win_x;
y = root_y - win_y;
may_dock = gdl_dock_object_dock_request (GDL_DOCK_OBJECT (dock),
x, y, &my_request);
if (may_dock)
break;
}
}
if (!may_dock) {
GtkRequisition req;
/* Special case for GdlDockItems : they must respect the flags */
if(GDL_IS_DOCK_ITEM(item)
&& GDL_DOCK_ITEM(item)->behavior & GDL_DOCK_ITEM_BEH_NEVER_FLOATING)
return;
dock = NULL;
my_request.target = GDL_DOCK_OBJECT (
gdl_dock_object_get_toplevel (request->applicant));
my_request.position = GDL_DOCK_FLOATING;
gdl_dock_item_preferred_size (GDL_DOCK_ITEM (request->applicant), &req);
my_request.rect.width = req.width;
my_request.rect.height = req.height;
my_request.rect.x = root_x - GDL_DOCK_ITEM (request->applicant)->dragoff_x;
my_request.rect.y = root_y - GDL_DOCK_ITEM (request->applicant)->dragoff_y;
/* setup extra docking information */
if (G_IS_VALUE (&my_request.extra))
g_value_unset (&my_request.extra);
g_value_init (&my_request.extra, GDK_TYPE_RECTANGLE);
g_value_set_boxed (&my_request.extra, &my_request.rect);
}
/* if we want to enforce GDL_DOCK_ITEM_BEH_NEVER_FLOATING */
/* the item must remain attached to the controller, otherwise */
/* it could be inserted in another floating dock */
/* so check for the flag at this moment */
else if(GDL_IS_DOCK_ITEM(item)
&& GDL_DOCK_ITEM(item)->behavior & GDL_DOCK_ITEM_BEH_NEVER_FLOATING
&& dock != GDL_DOCK(master->controller))
return;
if (!(my_request.rect.x == request->rect.x &&
my_request.rect.y == request->rect.y &&
my_request.rect.width == request->rect.width &&
my_request.rect.height == request->rect.height &&
dock == master->_priv->rect_owner)) {
/* erase the previous rectangle */
if (master->_priv->rect_drawn)
gdl_dock_master_xor_rect (master);
}
/* set the new values */
*request = my_request;
master->_priv->rect_owner = dock;
/* draw the previous rectangle */
if (~master->_priv->rect_drawn)
gdl_dock_master_xor_rect (master);
}
