Пример #1
0
void
gdl_dock_add_item (GdlDock          *dock,
                   GdlDockItem      *item,
                   GdlDockPlacement  placement)
{
    g_return_if_fail (dock != NULL);
    g_return_if_fail (item != NULL);

    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->root) {
            GdlDockPlacement local_placement;
            GtkRequisition preferred_size;
            
            best_dock_item =
                gdl_dock_find_best_placement_item (GDL_DOCK_ITEM (dock->root),
                                                   placement, 0);
            local_placement = gdl_dock_refine_placement (dock, best_dock_item,
                                                         placement);
if(local_placement != placement) gwarn("placement changed");
            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);
        }
    }
}
Пример #2
0
/**
 * 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);
        }
    }
}
Пример #3
0
static void
gdl_dock_master_drag_end (GdlDockItem *item, 
                          gboolean     cancelled,
                          gpointer     data)
{
    GdlDockMaster  *master;
    GdlDockRequest *request;
    
    g_return_if_fail (data != NULL);
    g_return_if_fail (item != NULL);

    master = GDL_DOCK_MASTER (data);
    request = master->_priv->drag_request;
    
    g_return_if_fail (GDL_DOCK_OBJECT (item) == request->applicant);
    
    /* Erase previously drawn rectangle */
    if (master->_priv->rect_drawn)
        gdl_dock_master_xor_rect (master);
    
    /* cancel conditions */
    if (cancelled || request->applicant == request->target)
        return;
    
    /* dock object to the requested position */
    gdl_dock_object_dock (request->target,
                          request->applicant,
                          request->position,
                          &request->extra);
    
    g_signal_emit (master, master_signals [LAYOUT_CHANGED], 0);
}
Пример #4
0
static void
gdl_dock_dock (GdlDockObject    *object,
               GdlDockObject    *requestor,
               GdlDockPlacement  position,
               GValue           *user_data)
{
    GdlDock *dock;
    
    g_return_if_fail (GDL_IS_DOCK (object));
    /* only dock items allowed at this time */
    g_return_if_fail (GDL_IS_DOCK_ITEM (requestor));

    dock = GDL_DOCK (object);
    
    if (position == GDL_DOCK_FLOATING) {
        GdlDockItem *item = GDL_DOCK_ITEM (requestor);
        gint x, y, width, height;

        if (user_data && G_VALUE_HOLDS (user_data, GDK_TYPE_RECTANGLE)) {
            GdkRectangle *rect;

            rect = g_value_get_boxed (user_data);
            x = rect->x;
            y = rect->y;
            width = rect->width;
            height = rect->height;
        }
        else {
            x = y = 0;
            width = height = -1;
        }
        
        gdl_dock_add_floating_item (dock, item,
                                    x, y, width, height);
    }
    else if (dock->root) {
        /* This is somewhat a special case since we know which item to
           pass the request on because we only have on child */
        gdl_dock_object_dock (dock->root, requestor, position, NULL);
        gdl_dock_set_title (dock);
        
    }
    else { /* Item about to be added is root item. */
        GtkWidget *widget = GTK_WIDGET (requestor);
        
        dock->root = requestor;
        GDL_DOCK_OBJECT_SET_FLAGS (requestor, GDL_DOCK_ATTACHED);
        gtk_widget_set_parent (widget, GTK_WIDGET (dock));
        
        gdl_dock_item_show_grip (GDL_DOCK_ITEM (requestor));

        /* Realize the item (create its corresponding GdkWindow) when 
           GdlDock has been realized. */
        if (GTK_WIDGET_REALIZED (dock))
            gtk_widget_realize (widget);
        
        /* Map the widget if it's visible and the parent is visible and has 
           been mapped. This is done to make sure that the GdkWindow is 
           visible. */
        if (GTK_WIDGET_VISIBLE (dock) && 
            GTK_WIDGET_VISIBLE (widget)) {
            if (GTK_WIDGET_MAPPED (dock))
                gtk_widget_map (widget);
            
            /* Make the widget resize. */
            gtk_widget_queue_resize (widget);
        }
        gdl_dock_set_title (dock);
    }
}