539927ebfa
which is just a #define to g_assert for now, but can now easily be turned into something that does some nicer debugging using our new stack trace infrastructure. This commit also reverts all constructed() functions to use assert again.
224 lines
7.2 KiB
C
224 lines
7.2 KiB
C
/* GIMP - The GNU Image Manipulation Program
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* Copyright (C) 1995-1997 Spencer Kimball and Peter Mattis
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*
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* gimpdrawablestack.c
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* Copyright (C) 2008 Michael Natterer <mitch@gimp.org>
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*
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* This program is free software: you can redistribute it and/or modify
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* it under the terms of the GNU General Public License as published by
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* the Free Software Foundation; either version 3 of the License, or
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* (at your option) any later version.
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*
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* This program is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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* GNU General Public License for more details.
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*
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* You should have received a copy of the GNU General Public License
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* along with this program. If not, see <http://www.gnu.org/licenses/>.
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*/
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#include "config.h"
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#include <gdk-pixbuf/gdk-pixbuf.h>
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#include <gegl.h>
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#include "core-types.h"
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#include "gimpdrawable.h"
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#include "gimpdrawablestack.h"
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#include "gimpmarshal.h"
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enum
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{
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UPDATE,
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LAST_SIGNAL
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};
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/* local function prototypes */
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static void gimp_drawable_stack_constructed (GObject *object);
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static void gimp_drawable_stack_add (GimpContainer *container,
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GimpObject *object);
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static void gimp_drawable_stack_remove (GimpContainer *container,
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GimpObject *object);
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static void gimp_drawable_stack_reorder (GimpContainer *container,
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GimpObject *object,
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gint new_index);
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static void gimp_drawable_stack_drawable_update (GimpItem *item,
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gint x,
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gint y,
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gint width,
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gint height,
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GimpDrawableStack *stack);
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static void gimp_drawable_stack_drawable_active (GimpItem *item,
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GimpDrawableStack *stack);
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G_DEFINE_TYPE (GimpDrawableStack, gimp_drawable_stack, GIMP_TYPE_ITEM_STACK)
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#define parent_class gimp_drawable_stack_parent_class
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static guint stack_signals[LAST_SIGNAL] = { 0 };
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static void
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gimp_drawable_stack_class_init (GimpDrawableStackClass *klass)
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{
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GObjectClass *object_class = G_OBJECT_CLASS (klass);
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GimpContainerClass *container_class = GIMP_CONTAINER_CLASS (klass);
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stack_signals[UPDATE] =
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g_signal_new ("update",
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G_TYPE_FROM_CLASS (klass),
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G_SIGNAL_RUN_FIRST,
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G_STRUCT_OFFSET (GimpDrawableStackClass, update),
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NULL, NULL,
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gimp_marshal_VOID__INT_INT_INT_INT,
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G_TYPE_NONE, 4,
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G_TYPE_INT,
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G_TYPE_INT,
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G_TYPE_INT,
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G_TYPE_INT);
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object_class->constructed = gimp_drawable_stack_constructed;
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container_class->add = gimp_drawable_stack_add;
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container_class->remove = gimp_drawable_stack_remove;
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container_class->reorder = gimp_drawable_stack_reorder;
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}
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static void
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gimp_drawable_stack_init (GimpDrawableStack *stack)
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{
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}
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static void
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gimp_drawable_stack_constructed (GObject *object)
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{
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GimpContainer *container = GIMP_CONTAINER (object);
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G_OBJECT_CLASS (parent_class)->constructed (object);
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gimp_assert (g_type_is_a (gimp_container_get_children_type (container),
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GIMP_TYPE_DRAWABLE));
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gimp_container_add_handler (container, "update",
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G_CALLBACK (gimp_drawable_stack_drawable_update),
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container);
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gimp_container_add_handler (container, "active-changed",
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G_CALLBACK (gimp_drawable_stack_drawable_active),
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container);
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}
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static void
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gimp_drawable_stack_add (GimpContainer *container,
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GimpObject *object)
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{
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GimpDrawableStack *stack = GIMP_DRAWABLE_STACK (container);
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GIMP_CONTAINER_CLASS (parent_class)->add (container, object);
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if (gimp_filter_get_active (GIMP_FILTER (object)))
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gimp_drawable_stack_drawable_active (GIMP_ITEM (object), stack);
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}
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static void
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gimp_drawable_stack_remove (GimpContainer *container,
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GimpObject *object)
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{
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GimpDrawableStack *stack = GIMP_DRAWABLE_STACK (container);
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GIMP_CONTAINER_CLASS (parent_class)->remove (container, object);
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if (gimp_filter_get_active (GIMP_FILTER (object)))
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gimp_drawable_stack_drawable_active (GIMP_ITEM (object), stack);
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}
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static void
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gimp_drawable_stack_reorder (GimpContainer *container,
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GimpObject *object,
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gint new_index)
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{
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GimpDrawableStack *stack = GIMP_DRAWABLE_STACK (container);
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GIMP_CONTAINER_CLASS (parent_class)->reorder (container, object, new_index);
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if (gimp_filter_get_active (GIMP_FILTER (object)))
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gimp_drawable_stack_drawable_active (GIMP_ITEM (object), stack);
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}
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/* public functions */
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GimpContainer *
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gimp_drawable_stack_new (GType drawable_type)
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{
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g_return_val_if_fail (g_type_is_a (drawable_type, GIMP_TYPE_DRAWABLE), NULL);
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return g_object_new (GIMP_TYPE_DRAWABLE_STACK,
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"name", g_type_name (drawable_type),
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"children-type", drawable_type,
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"policy", GIMP_CONTAINER_POLICY_STRONG,
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NULL);
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}
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/* protected functions */
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void
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gimp_drawable_stack_update (GimpDrawableStack *stack,
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gint x,
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gint y,
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gint width,
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gint height)
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{
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g_return_if_fail (GIMP_IS_DRAWABLE_STACK (stack));
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g_signal_emit (stack, stack_signals[UPDATE], 0,
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x, y, width, height);
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}
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/* private functions */
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static void
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gimp_drawable_stack_drawable_update (GimpItem *item,
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gint x,
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gint y,
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gint width,
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gint height,
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GimpDrawableStack *stack)
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{
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if (gimp_filter_get_active (GIMP_FILTER (item)))
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{
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gint offset_x;
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gint offset_y;
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gimp_item_get_offset (item, &offset_x, &offset_y);
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gimp_drawable_stack_update (stack,
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x + offset_x, y + offset_y,
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width, height);
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}
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}
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static void
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gimp_drawable_stack_drawable_active (GimpItem *item,
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GimpDrawableStack *stack)
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{
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gint offset_x;
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gint offset_y;
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gimp_item_get_offset (item, &offset_x, &offset_y);
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gimp_drawable_stack_update (stack,
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offset_x, offset_y,
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gimp_item_get_width (item),
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gimp_item_get_height (item));
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}
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