Commit 9fcb06b4 authored by Michael Natterer's avatar Michael Natterer 😴

app: add new widget GimpBufferSourceBox

which lets the user select a buffer from all available drawables and
projections to be used in a gegl:buffer-source node. The widget's
appearance is scheduled for improvement.
parent 4f9ec68c
......@@ -38,6 +38,8 @@ libappwidgets_a_sources = \
gimpbrushfactoryview.h \
gimpbrushselect.c \
gimpbrushselect.h \
gimpbuffersourcebox.c \
gimpbuffersourcebox.h \
gimpbufferview.c \
gimpbufferview.h \
gimpcairo-wilber.c \
......
/* GIMP - The GNU Image Manipulation Program
* Copyright (C) 1995 Spencer Kimball and Peter Mattis
*
* gimpbuffersourcebox.c
* Copyright (C) 2015 Michael Natterer <mitch@gimp.org>
*
* 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 <http://www.gnu.org/licenses/>.
*/
#include "config.h"
#include <string.h>
#include <gegl.h>
#include <gtk/gtk.h>
#include "libgimpwidgets/gimpwidgets.h"
#include "widgets-types.h"
#include "core/gimpcontext.h"
#include "core/gimppickable.h"
#include "gimpbuffersourcebox.h"
#include "gimppickablebutton.h"
enum
{
PROP_0,
PROP_CONTEXT,
PROP_SOURCE_NODE,
PROP_LABEL,
PROP_PICKABLE,
PROP_ENABLED
};
struct _GimpBufferSourceBoxPrivate
{
GimpContext *context;
GeglNode *source_node;
gchar *label;
GimpPickable *pickable;
gboolean enabled;
GtkWidget *button;
GtkWidget *toggle;
};
static void gimp_buffer_source_box_constructed (GObject *object);
static void gimp_buffer_source_box_finalize (GObject *object);
static void gimp_buffer_source_box_set_property (GObject *object,
guint property_id,
const GValue *value,
GParamSpec *pspec);
static void gimp_buffer_source_box_get_property (GObject *object,
guint property_id,
GValue *value,
GParamSpec *pspec);
static void gimp_buffer_source_box_notify_pickable (GimpPickableButton *button,
const GParamSpec *pspec,
GimpBufferSourceBox *box);
static void gimp_buffer_source_box_enable_toggled (GtkToggleButton *button,
GimpBufferSourceBox *box);
G_DEFINE_TYPE (GimpBufferSourceBox, gimp_buffer_source_box,
GTK_TYPE_BOX)
#define parent_class gimp_buffer_source_box_parent_class
static void
gimp_buffer_source_box_class_init (GimpBufferSourceBoxClass *klass)
{
GObjectClass *object_class = G_OBJECT_CLASS (klass);
object_class->constructed = gimp_buffer_source_box_constructed;
object_class->finalize = gimp_buffer_source_box_finalize;
object_class->set_property = gimp_buffer_source_box_set_property;
object_class->get_property = gimp_buffer_source_box_get_property;
g_object_class_install_property (object_class, PROP_CONTEXT,
g_param_spec_object ("context", NULL, NULL,
GIMP_TYPE_CONTEXT,
GIMP_PARAM_READWRITE |
G_PARAM_CONSTRUCT_ONLY));
g_object_class_install_property (object_class, PROP_SOURCE_NODE,
g_param_spec_object ("source-node", NULL, NULL,
GEGL_TYPE_NODE,
GIMP_PARAM_READWRITE |
G_PARAM_CONSTRUCT_ONLY));
g_object_class_install_property (object_class, PROP_LABEL,
g_param_spec_string ("label", NULL, NULL,
NULL,
GIMP_PARAM_READWRITE |
G_PARAM_CONSTRUCT_ONLY));
g_object_class_install_property (object_class, PROP_PICKABLE,
g_param_spec_object ("pickable", NULL, NULL,
GIMP_TYPE_PICKABLE,
GIMP_PARAM_READWRITE |
G_PARAM_CONSTRUCT));
g_object_class_install_property (object_class, PROP_ENABLED,
g_param_spec_boolean ("enabled", NULL, NULL,
TRUE,
GIMP_PARAM_READWRITE |
G_PARAM_CONSTRUCT));
g_type_class_add_private (klass, sizeof (GimpBufferSourceBoxPrivate));
}
static void
gimp_buffer_source_box_init (GimpBufferSourceBox *box)
{
box->priv = G_TYPE_INSTANCE_GET_PRIVATE (box,
GIMP_TYPE_BUFFER_SOURCE_BOX,
GimpBufferSourceBoxPrivate);
gtk_orientable_set_orientation (GTK_ORIENTABLE (box),
GTK_ORIENTATION_HORIZONTAL);
}
static void
gimp_buffer_source_box_constructed (GObject *object)
{
GimpBufferSourceBox *box = GIMP_BUFFER_SOURCE_BOX (object);
box->priv->toggle = gtk_check_button_new_with_mnemonic (box->priv->label);
gtk_toggle_button_set_active (GTK_TOGGLE_BUTTON (box->priv->toggle),
box->priv->enabled);
gtk_box_pack_start (GTK_BOX (box), box->priv->toggle, FALSE, FALSE, 0);
gtk_widget_show (box->priv->toggle);
g_signal_connect_object (box->priv->toggle, "toggled",
G_CALLBACK (gimp_buffer_source_box_enable_toggled),
box, 0);
box->priv->button = gimp_pickable_button_new (box->priv->context,
GIMP_VIEW_SIZE_LARGE, 1);
gimp_pickable_button_set_pickable (GIMP_PICKABLE_BUTTON (box->priv->button),
box->priv->pickable);
gtk_box_pack_start (GTK_BOX (box), box->priv->button, FALSE, FALSE, 0);
gtk_widget_show (box->priv->button);
g_signal_connect_object (box->priv->button, "notify::pickable",
G_CALLBACK (gimp_buffer_source_box_notify_pickable),
box, 0);
G_OBJECT_CLASS (parent_class)->constructed (object);
}
static void
gimp_buffer_source_box_finalize (GObject *object)
{
GimpBufferSourceBox *box = GIMP_BUFFER_SOURCE_BOX (object);
if (box->priv->context)
{
g_object_unref (box->priv->context);
box->priv->context = NULL;
}
if (box->priv->source_node)
{
g_object_unref (box->priv->source_node);
box->priv->source_node = NULL;
}
if (box->priv->label)
{
g_free (box->priv->label);
box->priv->label = NULL;
}
G_OBJECT_CLASS (parent_class)->finalize (object);
}
static void
gimp_buffer_source_box_set_property (GObject *object,
guint property_id,
const GValue *value,
GParamSpec *pspec)
{
GimpBufferSourceBox *box = GIMP_BUFFER_SOURCE_BOX (object);
switch (property_id)
{
case PROP_CONTEXT:
box->priv->context = g_value_dup_object (value);
break;
case PROP_SOURCE_NODE:
box->priv->source_node = g_value_dup_object (value);
break;
case PROP_LABEL:
box->priv->label = g_value_dup_string (value);
break;
case PROP_PICKABLE:
box->priv->pickable = g_value_get_object (value);
if (box->priv->button)
gimp_pickable_button_set_pickable (GIMP_PICKABLE_BUTTON (box->priv->button),
box->priv->pickable);
break;
case PROP_ENABLED:
box->priv->enabled = g_value_get_boolean (value);
if (box->priv->toggle)
gtk_toggle_button_set_active (GTK_TOGGLE_BUTTON (box->priv->toggle),
box->priv->enabled);
break;
default:
G_OBJECT_WARN_INVALID_PROPERTY_ID (object, property_id, pspec);
break;
}
}
static void
gimp_buffer_source_box_get_property (GObject *object,
guint property_id,
GValue *value,
GParamSpec *pspec)
{
GimpBufferSourceBox *box = GIMP_BUFFER_SOURCE_BOX (object);
switch (property_id)
{
case PROP_CONTEXT:
g_value_set_object (value, box->priv->context);
break;
case PROP_SOURCE_NODE:
g_value_set_object (value, box->priv->source_node);
break;
case PROP_LABEL:
g_value_set_string (value, box->priv->label);
break;
case PROP_PICKABLE:
g_value_set_object (value, box->priv->pickable);
break;
case PROP_ENABLED:
g_value_set_boolean (value, box->priv->enabled);
break;
default:
G_OBJECT_WARN_INVALID_PROPERTY_ID (object, property_id, pspec);
break;
}
}
static void
gimp_buffer_source_box_update_node (GimpBufferSourceBox *box)
{
GeglBuffer *buffer = NULL;
if (box->priv->pickable && box->priv->enabled)
{
buffer = gimp_pickable_get_buffer (box->priv->pickable);
}
gegl_node_set (box->priv->source_node,
"buffer", buffer,
NULL);
}
static void
gimp_buffer_source_box_notify_pickable (GimpPickableButton *button,
const GParamSpec *pspec,
GimpBufferSourceBox *box)
{
box->priv->pickable = gimp_pickable_button_get_pickable (button);
gimp_buffer_source_box_update_node (box);
g_object_notify (G_OBJECT (box), "pickable");
}
static void
gimp_buffer_source_box_enable_toggled (GtkToggleButton *button,
GimpBufferSourceBox *box)
{
box->priv->enabled = gtk_toggle_button_get_active (button);
gimp_buffer_source_box_update_node (box);
g_object_notify (G_OBJECT (box), "enabled");
}
/* public functions */
GtkWidget *
gimp_buffer_source_box_new (GimpContext *context,
GeglNode *source_node,
const gchar *label)
{
g_return_val_if_fail (GIMP_IS_CONTEXT (context), NULL);
g_return_val_if_fail (GEGL_IS_NODE (source_node), NULL);
g_return_val_if_fail (label != NULL, NULL);
return g_object_new (GIMP_TYPE_BUFFER_SOURCE_BOX,
"context", context,
"source-node", source_node,
"label", label,
NULL);
}
/* GIMP - The GNU Image Manipulation Program
* Copyright (C) 1995 Spencer Kimball and Peter Mattis
*
* gimpbuffersourcebox.h
* Copyright (C) 2015 Michael Natterer <mitch@gimp.org>
*
* 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 <http://www.gnu.org/licenses/>.
*/
#ifndef __GIMP_BUFFER_SOURCE_BOX_H__
#define __GIMP_BUFFER_SOURCE_BOX_H__
#define GIMP_TYPE_BUFFER_SOURCE_BOX (gimp_buffer_source_box_get_type ())
#define GIMP_BUFFER_SOURCE_BOX(obj) (G_TYPE_CHECK_INSTANCE_CAST ((obj), GIMP_TYPE_BUFFER_SOURCE_BOX, GimpBufferSourceBox))
#define GIMP_BUFFER_SOURCE_BOX_CLASS(klass) (G_TYPE_CHECK_CLASS_CAST ((klass), GIMP_TYPE_BUFFER_SOURCE_BOX, GimpBufferSourceBoxClass))
#define GIMP_IS_BUFFER_SOURCE_BOX(obj) (G_TYPE_CHECK_INSTANCE_TYPE ((obj), GIMP_TYPE_BUFFER_SOURCE_BOX))
#define GIMP_IS_BUFFER_SOURCE_BOX_CLASS(klass) (G_TYPE_CHECK_CLASS_TYPE ((klass), GIMP_TYPE_BUFFER_SOURCE_BOX))
#define GIMP_BUFFER_SOURCE_BOX_GET_CLASS(obj) (G_TYPE_INSTANCE_GET_CLASS ((obj), GIMP_TYPE_BUFFER_SOURCE_BOX, GimpBufferSourceBoxClass))
typedef struct _GimpBufferSourceBoxPrivate GimpBufferSourceBoxPrivate;
typedef struct _GimpBufferSourceBoxClass GimpBufferSourceBoxClass;
struct _GimpBufferSourceBox
{
GtkBox parent_instance;
GimpBufferSourceBoxPrivate *priv;
};
struct _GimpBufferSourceBoxClass
{
GtkBoxClass parent_class;
};
GType gimp_buffer_source_box_get_type (void) G_GNUC_CONST;
GtkWidget * gimp_buffer_source_box_new (GimpContext *context,
GeglNode *source_node,
const gchar *label);
#endif /* __GIMP_BUFFER_SOURCE_BOX_H__ */
......@@ -161,6 +161,7 @@ typedef struct _GimpPdbDialog GimpPdbDialog;
typedef struct _GimpActionEditor GimpActionEditor;
typedef struct _GimpActionView GimpActionView;
typedef struct _GimpBlobEditor GimpBlobEditor;
typedef struct _GimpBufferSourceBox GimpBufferSourceBox;
typedef struct _GimpCircle GimpCircle;
typedef struct _GimpColorBar GimpColorBar;
typedef struct _GimpColorDisplayEditor GimpColorDisplayEditor;
......
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