416 lines
13 KiB
C
416 lines
13 KiB
C
/* PIKA - Photo and Image Kooker Application
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* a rebranding of The GNU Image Manipulation Program (created with heckimp)
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* A derived work which may be trivial. However, any changes may be (C)2023 by Aldercone Studio
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*
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* Original copyright, applying to most contents (license remains unchanged):
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* Copyright (C) 1995 Spencer Kimball and Peter Mattis
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*
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* pikatoolgroup.c
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* Copyright (C) 2020 Ell
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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 <https://www.gnu.org/licenses/>.
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*/
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#include "config.h"
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#include <string.h>
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#include <gdk-pixbuf/gdk-pixbuf.h>
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#include <gegl.h>
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#include "libpikabase/pikabase.h"
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#include "libpikaconfig/pikaconfig.h"
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#include "core-types.h"
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#include "pikalist.h"
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#include "pikatoolgroup.h"
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#include "pikatoolinfo.h"
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#include "pika-intl.h"
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enum
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{
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ACTIVE_TOOL_CHANGED,
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LAST_SIGNAL
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};
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enum
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{
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PROP_0,
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PROP_ACTIVE_TOOL,
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PROP_CHILDREN
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};
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struct _PikaToolGroupPrivate
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{
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gchar *active_tool;
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PikaContainer *children;
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};
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/* local function prototypes */
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static void pika_tool_group_finalize (GObject *object);
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static void pika_tool_group_get_property (GObject *object,
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guint property_id,
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GValue *value,
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GParamSpec *pspec);
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static void pika_tool_group_set_property (GObject *object,
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guint property_id,
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const GValue *value,
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GParamSpec *pspec);
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static gint64 pika_tool_group_get_memsize (PikaObject *object,
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gint64 *gui_size);
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static gchar * pika_tool_group_get_description (PikaViewable *viewable,
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gchar **tooltip);
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static PikaContainer * pika_tool_group_get_children (PikaViewable *viewable);
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static void pika_tool_group_set_expanded (PikaViewable *viewable,
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gboolean expand);
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static gboolean pika_tool_group_get_expanded (PikaViewable *viewable);
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static void pika_tool_group_child_add (PikaContainer *container,
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PikaToolInfo *tool_info,
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PikaToolGroup *tool_group);
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static void pika_tool_group_child_remove (PikaContainer *container,
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PikaToolInfo *tool_info,
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PikaToolGroup *tool_group);
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static void pika_tool_group_shown_changed (PikaToolItem *tool_item);
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G_DEFINE_TYPE_WITH_PRIVATE (PikaToolGroup, pika_tool_group, PIKA_TYPE_TOOL_ITEM)
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#define parent_class pika_tool_group_parent_class
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static guint pika_tool_group_signals[LAST_SIGNAL] = { 0 };
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/* private functions */
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static void
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pika_tool_group_class_init (PikaToolGroupClass *klass)
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{
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GObjectClass *object_class = G_OBJECT_CLASS (klass);
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PikaObjectClass *pika_object_class = PIKA_OBJECT_CLASS (klass);
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PikaViewableClass *viewable_class = PIKA_VIEWABLE_CLASS (klass);
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PikaToolItemClass *tool_item_class = PIKA_TOOL_ITEM_CLASS (klass);
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pika_tool_group_signals[ACTIVE_TOOL_CHANGED] =
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g_signal_new ("active-tool-changed",
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G_TYPE_FROM_CLASS (klass),
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G_SIGNAL_RUN_FIRST,
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G_STRUCT_OFFSET (PikaToolGroupClass, active_tool_changed),
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NULL, NULL, NULL,
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G_TYPE_NONE, 0);
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object_class->finalize = pika_tool_group_finalize;
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object_class->get_property = pika_tool_group_get_property;
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object_class->set_property = pika_tool_group_set_property;
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pika_object_class->get_memsize = pika_tool_group_get_memsize;
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viewable_class->default_icon_name = "folder";
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viewable_class->get_description = pika_tool_group_get_description;
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viewable_class->get_children = pika_tool_group_get_children;
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viewable_class->get_expanded = pika_tool_group_get_expanded;
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viewable_class->set_expanded = pika_tool_group_set_expanded;
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tool_item_class->shown_changed = pika_tool_group_shown_changed;
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PIKA_CONFIG_PROP_STRING (object_class, PROP_ACTIVE_TOOL,
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"active-tool", NULL, NULL,
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NULL,
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PIKA_PARAM_STATIC_STRINGS);
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PIKA_CONFIG_PROP_OBJECT (object_class, PROP_CHILDREN,
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"children", NULL, NULL,
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PIKA_TYPE_CONTAINER,
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PIKA_PARAM_STATIC_STRINGS |
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PIKA_CONFIG_PARAM_AGGREGATE);
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}
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static void
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pika_tool_group_init (PikaToolGroup *tool_group)
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{
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tool_group->priv = pika_tool_group_get_instance_private (tool_group);
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tool_group->priv->children = g_object_new (
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PIKA_TYPE_LIST,
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"children-type", PIKA_TYPE_TOOL_INFO,
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"append", TRUE,
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NULL);
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g_signal_connect (tool_group->priv->children, "add",
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G_CALLBACK (pika_tool_group_child_add),
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tool_group);
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g_signal_connect (tool_group->priv->children, "remove",
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G_CALLBACK (pika_tool_group_child_remove),
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tool_group);
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}
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static void
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pika_tool_group_finalize (GObject *object)
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{
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PikaToolGroup *tool_group = PIKA_TOOL_GROUP (object);
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g_clear_pointer (&tool_group->priv->active_tool, g_free);
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g_clear_object (&tool_group->priv->children);
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G_OBJECT_CLASS (parent_class)->finalize (object);
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}
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static void
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pika_tool_group_get_property (GObject *object,
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guint property_id,
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GValue *value,
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GParamSpec *pspec)
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{
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PikaToolGroup *tool_group = PIKA_TOOL_GROUP (object);
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switch (property_id)
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{
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case PROP_ACTIVE_TOOL:
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g_value_set_string (value, tool_group->priv->active_tool);
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break;
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case PROP_CHILDREN:
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g_value_set_object (value, tool_group->priv->children);
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break;
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default:
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G_OBJECT_WARN_INVALID_PROPERTY_ID (object, property_id, pspec);
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break;
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}
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}
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static void
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pika_tool_group_set_property_add_tool (PikaToolInfo *tool_info,
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PikaToolGroup *tool_group)
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{
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pika_container_add (tool_group->priv->children, PIKA_OBJECT (tool_info));
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}
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static void
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pika_tool_group_set_property (GObject *object,
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guint property_id,
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const GValue *value,
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GParamSpec *pspec)
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{
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PikaToolGroup *tool_group = PIKA_TOOL_GROUP (object);
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switch (property_id)
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{
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case PROP_ACTIVE_TOOL:
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g_free (tool_group->priv->active_tool);
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tool_group->priv->active_tool = g_value_dup_string (value);
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break;
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case PROP_CHILDREN:
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{
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PikaContainer *container = g_value_get_object (value);
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pika_container_clear (tool_group->priv->children);
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if (! container)
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break;
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pika_container_foreach (container,
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(GFunc) pika_tool_group_set_property_add_tool,
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tool_group);
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}
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break;
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default:
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G_OBJECT_WARN_INVALID_PROPERTY_ID (object, property_id, pspec);
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break;
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}
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}
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static gint64
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pika_tool_group_get_memsize (PikaObject *object,
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gint64 *gui_size)
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{
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PikaToolGroup *tool_group = PIKA_TOOL_GROUP (object);
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gint64 memsize = 0;
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memsize += pika_object_get_memsize (PIKA_OBJECT (tool_group->priv->children),
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gui_size);
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return memsize + PIKA_OBJECT_CLASS (parent_class)->get_memsize (object,
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gui_size);
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}
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static gchar *
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pika_tool_group_get_description (PikaViewable *viewable,
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gchar **tooltip)
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{
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/* Translators: this is a noun */
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return g_strdup (C_("tool-item", "Group"));
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}
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static PikaContainer *
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pika_tool_group_get_children (PikaViewable *viewable)
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{
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PikaToolGroup *tool_group = PIKA_TOOL_GROUP (viewable);
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return tool_group->priv->children;
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}
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static void
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pika_tool_group_set_expanded (PikaViewable *viewable,
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gboolean expand)
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{
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if (! expand)
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pika_viewable_expanded_changed (viewable);
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}
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static gboolean
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pika_tool_group_get_expanded (PikaViewable *viewable)
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{
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return TRUE;
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}
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static void
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pika_tool_group_child_add (PikaContainer *container,
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PikaToolInfo *tool_info,
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PikaToolGroup *tool_group)
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{
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g_return_if_fail (
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pika_viewable_get_parent (PIKA_VIEWABLE (tool_info)) == NULL);
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pika_viewable_set_parent (PIKA_VIEWABLE (tool_info),
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PIKA_VIEWABLE (tool_group));
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if (! tool_group->priv->active_tool)
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pika_tool_group_set_active_tool_info (tool_group, tool_info);
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}
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static void
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pika_tool_group_child_remove (PikaContainer *container,
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PikaToolInfo *tool_info,
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PikaToolGroup *tool_group)
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{
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pika_viewable_set_parent (PIKA_VIEWABLE (tool_info), NULL);
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if (! g_strcmp0 (tool_group->priv->active_tool,
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pika_object_get_name (PIKA_OBJECT (tool_info))))
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{
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PikaToolInfo *active_tool_info = NULL;
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if (! pika_container_is_empty (tool_group->priv->children))
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{
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active_tool_info = PIKA_TOOL_INFO (
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pika_container_get_first_child (tool_group->priv->children));
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}
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pika_tool_group_set_active_tool_info (tool_group, active_tool_info);
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}
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}
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static void
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pika_tool_group_shown_changed (PikaToolItem *tool_item)
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{
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PikaToolGroup *tool_group = PIKA_TOOL_GROUP (tool_item);
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GList *iter;
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if (PIKA_TOOL_ITEM_CLASS (parent_class)->shown_changed)
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PIKA_TOOL_ITEM_CLASS (parent_class)->shown_changed (tool_item);
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for (iter = PIKA_LIST (tool_group->priv->children)->queue->head;
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iter;
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iter = g_list_next (iter))
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{
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PikaToolItem *tool_item = iter->data;
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if (pika_tool_item_get_visible (tool_item))
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pika_tool_item_shown_changed (tool_item);
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}
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}
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/* public functions */
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PikaToolGroup *
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pika_tool_group_new (void)
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{
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PikaToolGroup *tool_group;
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tool_group = g_object_new (PIKA_TYPE_TOOL_GROUP, NULL);
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pika_object_set_static_name (PIKA_OBJECT (tool_group), "tool group");
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return tool_group;
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}
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void
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pika_tool_group_set_active_tool (PikaToolGroup *tool_group,
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const gchar *tool_name)
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{
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g_return_if_fail (PIKA_IS_TOOL_GROUP (tool_group));
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if (g_strcmp0 (tool_group->priv->active_tool, tool_name))
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{
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g_return_if_fail (tool_name == NULL ||
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pika_container_get_child_by_name (
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tool_group->priv->children, tool_name) != NULL);
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g_free (tool_group->priv->active_tool);
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tool_group->priv->active_tool = g_strdup (tool_name);;
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g_signal_emit (tool_group,
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pika_tool_group_signals[ACTIVE_TOOL_CHANGED], 0);
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g_object_notify (G_OBJECT (tool_group), "active-tool");
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}
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}
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const gchar *
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pika_tool_group_get_active_tool (PikaToolGroup *tool_group)
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{
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g_return_val_if_fail (PIKA_IS_TOOL_GROUP (tool_group), NULL);
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return tool_group->priv->active_tool;
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}
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void
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pika_tool_group_set_active_tool_info (PikaToolGroup *tool_group,
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PikaToolInfo *tool_info)
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{
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g_return_if_fail (PIKA_IS_TOOL_GROUP (tool_group));
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g_return_if_fail (tool_info == NULL || PIKA_IS_TOOL_INFO (tool_info));
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pika_tool_group_set_active_tool (
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tool_group,
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tool_info ? pika_object_get_name (PIKA_OBJECT (tool_info)) : NULL);
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}
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PikaToolInfo *
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pika_tool_group_get_active_tool_info (PikaToolGroup *tool_group)
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{
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g_return_val_if_fail (PIKA_IS_TOOL_GROUP (tool_group), NULL);
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return PIKA_TOOL_INFO (
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pika_container_get_child_by_name (tool_group->priv->children,
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tool_group->priv->active_tool));
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}
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