PIKApp/app/core/pikatoolgroup.c

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2023-09-26 00:35:21 +02:00
/* PIKA - Photo and Image Kooker Application
* a rebranding of The GNU Image Manipulation Program (created with heckimp)
* A derived work which may be trivial. However, any changes may be (C)2023 by Aldercone Studio
*
* Original copyright, applying to most contents (license remains unchanged):
* Copyright (C) 1995 Spencer Kimball and Peter Mattis
*
* pikatoolgroup.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 "libpikabase/pikabase.h"
#include "libpikaconfig/pikaconfig.h"
#include "core-types.h"
#include "pikalist.h"
#include "pikatoolgroup.h"
#include "pikatoolinfo.h"
#include "pika-intl.h"
enum
{
ACTIVE_TOOL_CHANGED,
LAST_SIGNAL
};
enum
{
PROP_0,
PROP_ACTIVE_TOOL,
PROP_CHILDREN
};
struct _PikaToolGroupPrivate
{
gchar *active_tool;
PikaContainer *children;
};
/* local function prototypes */
static void pika_tool_group_finalize (GObject *object);
static void pika_tool_group_get_property (GObject *object,
guint property_id,
GValue *value,
GParamSpec *pspec);
static void pika_tool_group_set_property (GObject *object,
guint property_id,
const GValue *value,
GParamSpec *pspec);
static gint64 pika_tool_group_get_memsize (PikaObject *object,
gint64 *gui_size);
static gchar * pika_tool_group_get_description (PikaViewable *viewable,
gchar **tooltip);
static PikaContainer * pika_tool_group_get_children (PikaViewable *viewable);
static void pika_tool_group_set_expanded (PikaViewable *viewable,
gboolean expand);
static gboolean pika_tool_group_get_expanded (PikaViewable *viewable);
static void pika_tool_group_child_add (PikaContainer *container,
PikaToolInfo *tool_info,
PikaToolGroup *tool_group);
static void pika_tool_group_child_remove (PikaContainer *container,
PikaToolInfo *tool_info,
PikaToolGroup *tool_group);
static void pika_tool_group_shown_changed (PikaToolItem *tool_item);
G_DEFINE_TYPE_WITH_PRIVATE (PikaToolGroup, pika_tool_group, PIKA_TYPE_TOOL_ITEM)
#define parent_class pika_tool_group_parent_class
static guint pika_tool_group_signals[LAST_SIGNAL] = { 0 };
/* private functions */
static void
pika_tool_group_class_init (PikaToolGroupClass *klass)
{
GObjectClass *object_class = G_OBJECT_CLASS (klass);
PikaObjectClass *pika_object_class = PIKA_OBJECT_CLASS (klass);
PikaViewableClass *viewable_class = PIKA_VIEWABLE_CLASS (klass);
PikaToolItemClass *tool_item_class = PIKA_TOOL_ITEM_CLASS (klass);
pika_tool_group_signals[ACTIVE_TOOL_CHANGED] =
g_signal_new ("active-tool-changed",
G_TYPE_FROM_CLASS (klass),
G_SIGNAL_RUN_FIRST,
G_STRUCT_OFFSET (PikaToolGroupClass, active_tool_changed),
NULL, NULL, NULL,
G_TYPE_NONE, 0);
object_class->finalize = pika_tool_group_finalize;
object_class->get_property = pika_tool_group_get_property;
object_class->set_property = pika_tool_group_set_property;
pika_object_class->get_memsize = pika_tool_group_get_memsize;
viewable_class->default_icon_name = "folder";
viewable_class->get_description = pika_tool_group_get_description;
viewable_class->get_children = pika_tool_group_get_children;
viewable_class->get_expanded = pika_tool_group_get_expanded;
viewable_class->set_expanded = pika_tool_group_set_expanded;
tool_item_class->shown_changed = pika_tool_group_shown_changed;
PIKA_CONFIG_PROP_STRING (object_class, PROP_ACTIVE_TOOL,
"active-tool", NULL, NULL,
NULL,
PIKA_PARAM_STATIC_STRINGS);
PIKA_CONFIG_PROP_OBJECT (object_class, PROP_CHILDREN,
"children", NULL, NULL,
PIKA_TYPE_CONTAINER,
PIKA_PARAM_STATIC_STRINGS |
PIKA_CONFIG_PARAM_AGGREGATE);
}
static void
pika_tool_group_init (PikaToolGroup *tool_group)
{
tool_group->priv = pika_tool_group_get_instance_private (tool_group);
tool_group->priv->children = g_object_new (
PIKA_TYPE_LIST,
"children-type", PIKA_TYPE_TOOL_INFO,
"append", TRUE,
NULL);
g_signal_connect (tool_group->priv->children, "add",
G_CALLBACK (pika_tool_group_child_add),
tool_group);
g_signal_connect (tool_group->priv->children, "remove",
G_CALLBACK (pika_tool_group_child_remove),
tool_group);
}
static void
pika_tool_group_finalize (GObject *object)
{
PikaToolGroup *tool_group = PIKA_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
pika_tool_group_get_property (GObject *object,
guint property_id,
GValue *value,
GParamSpec *pspec)
{
PikaToolGroup *tool_group = PIKA_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
pika_tool_group_set_property_add_tool (PikaToolInfo *tool_info,
PikaToolGroup *tool_group)
{
pika_container_add (tool_group->priv->children, PIKA_OBJECT (tool_info));
}
static void
pika_tool_group_set_property (GObject *object,
guint property_id,
const GValue *value,
GParamSpec *pspec)
{
PikaToolGroup *tool_group = PIKA_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:
{
PikaContainer *container = g_value_get_object (value);
pika_container_clear (tool_group->priv->children);
if (! container)
break;
pika_container_foreach (container,
(GFunc) pika_tool_group_set_property_add_tool,
tool_group);
}
break;
default:
G_OBJECT_WARN_INVALID_PROPERTY_ID (object, property_id, pspec);
break;
}
}
static gint64
pika_tool_group_get_memsize (PikaObject *object,
gint64 *gui_size)
{
PikaToolGroup *tool_group = PIKA_TOOL_GROUP (object);
gint64 memsize = 0;
memsize += pika_object_get_memsize (PIKA_OBJECT (tool_group->priv->children),
gui_size);
return memsize + PIKA_OBJECT_CLASS (parent_class)->get_memsize (object,
gui_size);
}
static gchar *
pika_tool_group_get_description (PikaViewable *viewable,
gchar **tooltip)
{
/* Translators: this is a noun */
return g_strdup (C_("tool-item", "Group"));
}
static PikaContainer *
pika_tool_group_get_children (PikaViewable *viewable)
{
PikaToolGroup *tool_group = PIKA_TOOL_GROUP (viewable);
return tool_group->priv->children;
}
static void
pika_tool_group_set_expanded (PikaViewable *viewable,
gboolean expand)
{
if (! expand)
pika_viewable_expanded_changed (viewable);
}
static gboolean
pika_tool_group_get_expanded (PikaViewable *viewable)
{
return TRUE;
}
static void
pika_tool_group_child_add (PikaContainer *container,
PikaToolInfo *tool_info,
PikaToolGroup *tool_group)
{
g_return_if_fail (
pika_viewable_get_parent (PIKA_VIEWABLE (tool_info)) == NULL);
pika_viewable_set_parent (PIKA_VIEWABLE (tool_info),
PIKA_VIEWABLE (tool_group));
if (! tool_group->priv->active_tool)
pika_tool_group_set_active_tool_info (tool_group, tool_info);
}
static void
pika_tool_group_child_remove (PikaContainer *container,
PikaToolInfo *tool_info,
PikaToolGroup *tool_group)
{
pika_viewable_set_parent (PIKA_VIEWABLE (tool_info), NULL);
if (! g_strcmp0 (tool_group->priv->active_tool,
pika_object_get_name (PIKA_OBJECT (tool_info))))
{
PikaToolInfo *active_tool_info = NULL;
if (! pika_container_is_empty (tool_group->priv->children))
{
active_tool_info = PIKA_TOOL_INFO (
pika_container_get_first_child (tool_group->priv->children));
}
pika_tool_group_set_active_tool_info (tool_group, active_tool_info);
}
}
static void
pika_tool_group_shown_changed (PikaToolItem *tool_item)
{
PikaToolGroup *tool_group = PIKA_TOOL_GROUP (tool_item);
GList *iter;
if (PIKA_TOOL_ITEM_CLASS (parent_class)->shown_changed)
PIKA_TOOL_ITEM_CLASS (parent_class)->shown_changed (tool_item);
for (iter = PIKA_LIST (tool_group->priv->children)->queue->head;
iter;
iter = g_list_next (iter))
{
PikaToolItem *tool_item = iter->data;
if (pika_tool_item_get_visible (tool_item))
pika_tool_item_shown_changed (tool_item);
}
}
/* public functions */
PikaToolGroup *
pika_tool_group_new (void)
{
PikaToolGroup *tool_group;
tool_group = g_object_new (PIKA_TYPE_TOOL_GROUP, NULL);
pika_object_set_static_name (PIKA_OBJECT (tool_group), "tool group");
return tool_group;
}
void
pika_tool_group_set_active_tool (PikaToolGroup *tool_group,
const gchar *tool_name)
{
g_return_if_fail (PIKA_IS_TOOL_GROUP (tool_group));
if (g_strcmp0 (tool_group->priv->active_tool, tool_name))
{
g_return_if_fail (tool_name == NULL ||
pika_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,
pika_tool_group_signals[ACTIVE_TOOL_CHANGED], 0);
g_object_notify (G_OBJECT (tool_group), "active-tool");
}
}
const gchar *
pika_tool_group_get_active_tool (PikaToolGroup *tool_group)
{
g_return_val_if_fail (PIKA_IS_TOOL_GROUP (tool_group), NULL);
return tool_group->priv->active_tool;
}
void
pika_tool_group_set_active_tool_info (PikaToolGroup *tool_group,
PikaToolInfo *tool_info)
{
g_return_if_fail (PIKA_IS_TOOL_GROUP (tool_group));
g_return_if_fail (tool_info == NULL || PIKA_IS_TOOL_INFO (tool_info));
pika_tool_group_set_active_tool (
tool_group,
tool_info ? pika_object_get_name (PIKA_OBJECT (tool_info)) : NULL);
}
PikaToolInfo *
pika_tool_group_get_active_tool_info (PikaToolGroup *tool_group)
{
g_return_val_if_fail (PIKA_IS_TOOL_GROUP (tool_group), NULL);
return PIKA_TOOL_INFO (
pika_container_get_child_by_name (tool_group->priv->children,
tool_group->priv->active_tool));
}