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gimp/app/core/gimptoolgroup.c

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/* GIMP - The GNU Image Manipulation Program
* Copyright (C) 1995 Spencer Kimball and Peter Mattis
*
* gimptoolgroup.c
* Copyright (C) 2020 Ell
*
* This program is free software: you can redistribute it and/or modify
* it under the terms of the GNU General Public License as published by
* the Free Software Foundation; either version 3 of the License, or
* (at your option) any later version.
*
* This program is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* GNU General Public License for more details.
*
* You should have received a copy of the GNU General Public License
* along with this program. If not, see <https://www.gnu.org/licenses/>.
*/
#include "config.h"
#include <string.h>
#include <gdk-pixbuf/gdk-pixbuf.h>
#include <gegl.h>
#include "libgimpbase/gimpbase.h"
#include "libgimpconfig/gimpconfig.h"
#include "core-types.h"
#include "gimplist.h"
#include "gimptoolgroup.h"
#include "gimptoolinfo.h"
#include "gimp-intl.h"
enum
{
ACTIVE_TOOL_CHANGED,
LAST_SIGNAL
};
enum
{
PROP_0,
PROP_ACTIVE_TOOL,
PROP_CHILDREN
};
struct _GimpToolGroupPrivate
{
gchar *active_tool;
GimpContainer *children;
};
/* local function prototypes */
static void gimp_tool_group_finalize (GObject *object);
static void gimp_tool_group_get_property (GObject *object,
guint property_id,
GValue *value,
GParamSpec *pspec);
static void gimp_tool_group_set_property (GObject *object,
guint property_id,
const GValue *value,
GParamSpec *pspec);
static gint64 gimp_tool_group_get_memsize (GimpObject *object,
gint64 *gui_size);
static gchar * gimp_tool_group_get_description (GimpViewable *viewable,
gchar **tooltip);
static GimpContainer * gimp_tool_group_get_children (GimpViewable *viewable);
static void gimp_tool_group_set_expanded (GimpViewable *viewable,
gboolean expand);
static gboolean gimp_tool_group_get_expanded (GimpViewable *viewable);
static void gimp_tool_group_child_add (GimpContainer *container,
GimpToolInfo *tool_info,
GimpToolGroup *tool_group);
static void gimp_tool_group_child_remove (GimpContainer *container,
GimpToolInfo *tool_info,
GimpToolGroup *tool_group);
static void gimp_tool_group_shown_changed (GimpToolItem *tool_item);
G_DEFINE_TYPE_WITH_PRIVATE (GimpToolGroup, gimp_tool_group, GIMP_TYPE_TOOL_ITEM)
#define parent_class gimp_tool_group_parent_class
static guint gimp_tool_group_signals[LAST_SIGNAL] = { 0 };
/* private functions */
static void
gimp_tool_group_class_init (GimpToolGroupClass *klass)
{
GObjectClass *object_class = G_OBJECT_CLASS (klass);
GimpObjectClass *gimp_object_class = GIMP_OBJECT_CLASS (klass);
GimpViewableClass *viewable_class = GIMP_VIEWABLE_CLASS (klass);
GimpToolItemClass *tool_item_class = GIMP_TOOL_ITEM_CLASS (klass);
gimp_tool_group_signals[ACTIVE_TOOL_CHANGED] =
g_signal_new ("active-tool-changed",
G_TYPE_FROM_CLASS (klass),
G_SIGNAL_RUN_FIRST,
G_STRUCT_OFFSET (GimpToolGroupClass, active_tool_changed),
NULL, NULL, NULL,
G_TYPE_NONE, 0);
object_class->finalize = gimp_tool_group_finalize;
object_class->get_property = gimp_tool_group_get_property;
object_class->set_property = gimp_tool_group_set_property;
gimp_object_class->get_memsize = gimp_tool_group_get_memsize;
viewable_class->default_icon_name = "folder";
viewable_class->get_description = gimp_tool_group_get_description;
viewable_class->get_children = gimp_tool_group_get_children;
viewable_class->get_expanded = gimp_tool_group_get_expanded;
viewable_class->set_expanded = gimp_tool_group_set_expanded;
tool_item_class->shown_changed = gimp_tool_group_shown_changed;
GIMP_CONFIG_PROP_STRING (object_class, PROP_ACTIVE_TOOL,
"active-tool", NULL, NULL,
NULL,
GIMP_PARAM_STATIC_STRINGS);
GIMP_CONFIG_PROP_OBJECT (object_class, PROP_CHILDREN,
"children", NULL, NULL,
GIMP_TYPE_CONTAINER,
GIMP_PARAM_STATIC_STRINGS |
GIMP_CONFIG_PARAM_AGGREGATE);
}
static void
gimp_tool_group_init (GimpToolGroup *tool_group)
{
tool_group->priv = gimp_tool_group_get_instance_private (tool_group);
tool_group->priv->children = g_object_new (
GIMP_TYPE_LIST,
"children-type", GIMP_TYPE_TOOL_INFO,
"append", TRUE,
NULL);
g_signal_connect (tool_group->priv->children, "add",
G_CALLBACK (gimp_tool_group_child_add),
tool_group);
g_signal_connect (tool_group->priv->children, "remove",
G_CALLBACK (gimp_tool_group_child_remove),
tool_group);
}
static void
gimp_tool_group_finalize (GObject *object)
{
GimpToolGroup *tool_group = GIMP_TOOL_GROUP (object);
g_clear_pointer (&tool_group->priv->active_tool, g_free);
g_clear_object (&tool_group->priv->children);
G_OBJECT_CLASS (parent_class)->finalize (object);
}
static void
gimp_tool_group_get_property (GObject *object,
guint property_id,
GValue *value,
GParamSpec *pspec)
{
GimpToolGroup *tool_group = GIMP_TOOL_GROUP (object);
switch (property_id)
{
case PROP_ACTIVE_TOOL:
g_value_set_string (value, tool_group->priv->active_tool);
break;
case PROP_CHILDREN:
g_value_set_object (value, tool_group->priv->children);
break;
default:
G_OBJECT_WARN_INVALID_PROPERTY_ID (object, property_id, pspec);
break;
}
}
static void
gimp_tool_group_set_property_add_tool (GimpToolInfo *tool_info,
GimpToolGroup *tool_group)
{
gimp_container_add (tool_group->priv->children, GIMP_OBJECT (tool_info));
}
static void
gimp_tool_group_set_property (GObject *object,
guint property_id,
const GValue *value,
GParamSpec *pspec)
{
GimpToolGroup *tool_group = GIMP_TOOL_GROUP (object);
switch (property_id)
{
case PROP_ACTIVE_TOOL:
g_free (tool_group->priv->active_tool);
tool_group->priv->active_tool = g_value_dup_string (value);
break;
case PROP_CHILDREN:
{
GimpContainer *container = g_value_get_object (value);
gimp_container_clear (tool_group->priv->children);
if (! container)
break;
gimp_container_foreach (container,
(GFunc) gimp_tool_group_set_property_add_tool,
tool_group);
}
break;
default:
G_OBJECT_WARN_INVALID_PROPERTY_ID (object, property_id, pspec);
break;
}
}
static gint64
gimp_tool_group_get_memsize (GimpObject *object,
gint64 *gui_size)
{
GimpToolGroup *tool_group = GIMP_TOOL_GROUP (object);
gint64 memsize = 0;
memsize += gimp_object_get_memsize (GIMP_OBJECT (tool_group->priv->children),
gui_size);
return memsize + GIMP_OBJECT_CLASS (parent_class)->get_memsize (object,
gui_size);
}
static gchar *
gimp_tool_group_get_description (GimpViewable *viewable,
gchar **tooltip)
{
/* Translators: this is a noun */
return g_strdup (C_("tool-item", "Group"));
}
static GimpContainer *
gimp_tool_group_get_children (GimpViewable *viewable)
{
GimpToolGroup *tool_group = GIMP_TOOL_GROUP (viewable);
return tool_group->priv->children;
}
static void
gimp_tool_group_set_expanded (GimpViewable *viewable,
gboolean expand)
{
if (! expand)
gimp_viewable_expanded_changed (viewable);
}
static gboolean
gimp_tool_group_get_expanded (GimpViewable *viewable)
{
return TRUE;
}
static void
gimp_tool_group_child_add (GimpContainer *container,
GimpToolInfo *tool_info,
GimpToolGroup *tool_group)
{
g_return_if_fail (
gimp_viewable_get_parent (GIMP_VIEWABLE (tool_info)) == NULL);
gimp_viewable_set_parent (GIMP_VIEWABLE (tool_info),
GIMP_VIEWABLE (tool_group));
if (! tool_group->priv->active_tool)
gimp_tool_group_set_active_tool_info (tool_group, tool_info);
}
static void
gimp_tool_group_child_remove (GimpContainer *container,
GimpToolInfo *tool_info,
GimpToolGroup *tool_group)
{
gimp_viewable_set_parent (GIMP_VIEWABLE (tool_info), NULL);
if (! g_strcmp0 (tool_group->priv->active_tool,
gimp_object_get_name (GIMP_OBJECT (tool_info))))
{
GimpToolInfo *active_tool_info = NULL;
if (! gimp_container_is_empty (tool_group->priv->children))
{
active_tool_info = GIMP_TOOL_INFO (
gimp_container_get_first_child (tool_group->priv->children));
}
gimp_tool_group_set_active_tool_info (tool_group, active_tool_info);
}
}
static void
gimp_tool_group_shown_changed (GimpToolItem *tool_item)
{
GimpToolGroup *tool_group = GIMP_TOOL_GROUP (tool_item);
GList *iter;
if (GIMP_TOOL_ITEM_CLASS (parent_class)->shown_changed)
GIMP_TOOL_ITEM_CLASS (parent_class)->shown_changed (tool_item);
for (iter = GIMP_LIST (tool_group->priv->children)->queue->head;
iter;
iter = g_list_next (iter))
{
GimpToolItem *tool_item = iter->data;
if (gimp_tool_item_get_visible (tool_item))
gimp_tool_item_shown_changed (tool_item);
}
}
/* public functions */
GimpToolGroup *
gimp_tool_group_new (void)
{
GimpToolGroup *tool_group;
tool_group = g_object_new (GIMP_TYPE_TOOL_GROUP, NULL);
gimp_object_set_static_name (GIMP_OBJECT (tool_group), "tool group");
return tool_group;
}
void
gimp_tool_group_set_active_tool (GimpToolGroup *tool_group,
const gchar *tool_name)
{
g_return_if_fail (GIMP_IS_TOOL_GROUP (tool_group));
if (g_strcmp0 (tool_group->priv->active_tool, tool_name))
{
g_return_if_fail (tool_name == NULL ||
gimp_container_get_child_by_name (
tool_group->priv->children, tool_name) != NULL);
g_free (tool_group->priv->active_tool);
tool_group->priv->active_tool = g_strdup (tool_name);;
g_signal_emit (tool_group,
gimp_tool_group_signals[ACTIVE_TOOL_CHANGED], 0);
g_object_notify (G_OBJECT (tool_group), "active-tool");
}
}
const gchar *
gimp_tool_group_get_active_tool (GimpToolGroup *tool_group)
{
g_return_val_if_fail (GIMP_IS_TOOL_GROUP (tool_group), NULL);
return tool_group->priv->active_tool;
}
void
gimp_tool_group_set_active_tool_info (GimpToolGroup *tool_group,
GimpToolInfo *tool_info)
{
g_return_if_fail (GIMP_IS_TOOL_GROUP (tool_group));
g_return_if_fail (tool_info == NULL || GIMP_IS_TOOL_INFO (tool_info));
gimp_tool_group_set_active_tool (
tool_group,
tool_info ? gimp_object_get_name (GIMP_OBJECT (tool_info)) : NULL);
}
GimpToolInfo *
gimp_tool_group_get_active_tool_info (GimpToolGroup *tool_group)
{
g_return_val_if_fail (GIMP_IS_TOOL_GROUP (tool_group), NULL);
return GIMP_TOOL_INFO (
gimp_container_get_child_by_name (tool_group->priv->children,
tool_group->priv->active_tool));
}
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