Commit 4e286898 authored by Michael Natterer's avatar Michael Natterer 😴

app: add new widget GimpPickableButton

Totally WIP and later supposed to give simple access to all sorts of
things that can provide a GeglBuffer via the GimpPickable
interface. Currently only dropping of drawables and images is
supported.
parent c7aa623a
......@@ -257,6 +257,8 @@ libappwidgets_a_sources = \
gimppatternselect.h \
gimppdbdialog.c \
gimppdbdialog.h \
gimppickablebutton.c \
gimppickablebutton.h \
gimppixbuf.c \
gimppixbuf.h \
gimppluginaction.c \
......
/* GIMP - The GNU Image Manipulation Program
* Copyright (C) 1995 Spencer Kimball and Peter Mattis
*
* gimppickablebutton.c
* Copyright (C) 2013 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 <gegl.h>
#include <gtk/gtk.h>
#include "libgimpwidgets/gimpwidgets.h"
#include "widgets-types.h"
#include "core/gimpcontext.h"
#include "core/gimpimage.h"
#include "core/gimplayer.h"
#include "core/gimplayermask.h"
#include "core/gimppickable.h"
#include "gimpdnd.h"
#include "gimpview.h"
#include "gimpviewrenderer.h"
#include "gimppickablebutton.h"
enum
{
PROP_0,
PROP_CONTEXT,
PROP_PICKABLE
};
struct _GimpPickableButtonPrivate
{
gint view_size;
gint view_border_width;
GimpContext *context;
GimpPickable *pickable;
GtkWidget *view;
};
static void gimp_pickable_button_constructed (GObject *object);
static void gimp_pickable_button_finalize (GObject *object);
static void gimp_pickable_button_set_property (GObject *object,
guint property_id,
const GValue *value,
GParamSpec *pspec);
static void gimp_pickable_button_get_property (GObject *object,
guint property_id,
GValue *value,
GParamSpec *pspec);
static void gimp_pickable_button_clicked (GtkButton *button);
static void gimp_pickable_button_drop_pickable (GtkWidget *widget,
gint x,
gint y,
GimpViewable *viewable,
gpointer data);
G_DEFINE_TYPE (GimpPickableButton, gimp_pickable_button, GIMP_TYPE_BUTTON)
#define parent_class gimp_pickable_button_parent_class
static void
gimp_pickable_button_class_init (GimpPickableButtonClass *klass)
{
GObjectClass *object_class = G_OBJECT_CLASS (klass);
GtkButtonClass *button_class = GTK_BUTTON_CLASS (klass);
object_class->constructed = gimp_pickable_button_constructed;
object_class->finalize = gimp_pickable_button_finalize;
object_class->get_property = gimp_pickable_button_get_property;
object_class->set_property = gimp_pickable_button_set_property;
button_class->clicked = gimp_pickable_button_clicked;
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_PICKABLE,
g_param_spec_object ("pickable",
NULL, NULL,
GIMP_TYPE_PICKABLE,
GIMP_PARAM_READWRITE));
g_type_class_add_private (klass, sizeof (GimpPickableButtonPrivate));
}
static void
gimp_pickable_button_init (GimpPickableButton *button)
{
button->private = G_TYPE_INSTANCE_GET_PRIVATE (button,
GIMP_TYPE_PICKABLE_BUTTON,
GimpPickableButtonPrivate);
button->private->view_size = GIMP_VIEW_SIZE_LARGE;
button->private->view_border_width = 1;
gimp_dnd_viewable_dest_add (GTK_WIDGET (button), GIMP_TYPE_LAYER,
gimp_pickable_button_drop_pickable,
NULL);
gimp_dnd_viewable_dest_add (GTK_WIDGET (button), GIMP_TYPE_LAYER_MASK,
gimp_pickable_button_drop_pickable,
NULL);
gimp_dnd_viewable_dest_add (GTK_WIDGET (button), GIMP_TYPE_CHANNEL,
gimp_pickable_button_drop_pickable,
NULL);
gimp_dnd_viewable_dest_add (GTK_WIDGET (button), GIMP_TYPE_IMAGE,
gimp_pickable_button_drop_pickable,
NULL);
}
static void
gimp_pickable_button_constructed (GObject *object)
{
GimpPickableButton *button = GIMP_PICKABLE_BUTTON (object);
g_assert (GIMP_IS_CONTEXT (button->private->context));
button->private->view =
gimp_view_new_by_types (button->private->context,
GIMP_TYPE_VIEW,
GIMP_TYPE_VIEWABLE,
button->private->view_size,
button->private->view_border_width,
FALSE);
gtk_container_add (GTK_CONTAINER (button), button->private->view);
gtk_widget_show (button->private->view);
}
static void
gimp_pickable_button_finalize (GObject *object)
{
GimpPickableButton *button = GIMP_PICKABLE_BUTTON (object);
if (button->private->context)
{
g_object_unref (button->private->context);
button->private->context = NULL;
}
if (button->private->pickable)
{
g_object_unref (button->private->pickable);
button->private->pickable = NULL;
}
G_OBJECT_CLASS (parent_class)->finalize (object);
}
static void
gimp_pickable_button_set_property (GObject *object,
guint property_id,
const GValue *value,
GParamSpec *pspec)
{
GimpPickableButton *button = GIMP_PICKABLE_BUTTON (object);
switch (property_id)
{
case PROP_CONTEXT:
if (button->private->context)
g_object_unref (button->private->context);
button->private->context = g_value_dup_object (value);
break;
case PROP_PICKABLE:
gimp_pickable_button_set_pickable (button, g_value_get_object (value));
break;
default:
G_OBJECT_WARN_INVALID_PROPERTY_ID (object, property_id, pspec);
break;
}
}
static void
gimp_pickable_button_get_property (GObject *object,
guint property_id,
GValue *value,
GParamSpec *pspec)
{
GimpPickableButton *button = GIMP_PICKABLE_BUTTON (object);
switch (property_id)
{
case PROP_CONTEXT:
g_value_set_object (value, button->private->context);
break;
case PROP_PICKABLE:
g_value_set_object (value, button->private->pickable);
break;
default:
G_OBJECT_WARN_INVALID_PROPERTY_ID (object, property_id, pspec);
break;
}
}
static void
gimp_pickable_button_clicked (GtkButton *button)
{
}
static void
gimp_pickable_button_drop_pickable (GtkWidget *widget,
gint x,
gint y,
GimpViewable *viewable,
gpointer data)
{
gimp_pickable_button_set_pickable (GIMP_PICKABLE_BUTTON (widget),
GIMP_PICKABLE (viewable));
}
/* public functions */
GtkWidget *
gimp_pickable_button_new (GimpContext *context,
gint view_size,
gint view_border_width)
{
GimpPickableButton *button;
g_return_val_if_fail (GIMP_IS_CONTEXT (context), NULL);
g_return_val_if_fail (view_size > 0 &&
view_size <= GIMP_VIEWABLE_MAX_BUTTON_SIZE, NULL);
g_return_val_if_fail (view_border_width >= 0 &&
view_border_width <= GIMP_VIEW_MAX_BORDER_WIDTH,
NULL);
button = g_object_new (GIMP_TYPE_PICKABLE_BUTTON,
"context", context,
NULL);
button->private->view_size = view_size;
button->private->view_border_width = view_border_width;
return GTK_WIDGET (button);
}
GimpPickable *
gimp_pickable_button_get_pickable (GimpPickableButton *button)
{
g_return_val_if_fail (GIMP_IS_PICKABLE_BUTTON (button), NULL);
return button->private->pickable;
}
void
gimp_pickable_button_set_pickable (GimpPickableButton *button,
GimpPickable *pickable)
{
g_return_if_fail (GIMP_IS_PICKABLE_BUTTON (button));
if (pickable != button->private->pickable)
{
if (button->private->pickable)
g_object_unref (button->private->pickable);
button->private->pickable = pickable;
if (button->private->pickable)
g_object_ref (button->private->pickable);
gimp_view_set_viewable (GIMP_VIEW (button->private->view),
GIMP_VIEWABLE (pickable));
g_object_notify (G_OBJECT (button), "pickable");
}
}
/* GIMP - The GNU Image Manipulation Program
* Copyright (C) 1995 Spencer Kimball and Peter Mattis
*
* gimppickablebutton.h
* Copyright (C) 2013 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_PICKABLE_BUTTON_H__
#define __GIMP_PICKABLE_BUTTON_H__
#define GIMP_TYPE_PICKABLE_BUTTON (gimp_pickable_button_get_type ())
#define GIMP_PICKABLE_BUTTON(obj) (G_TYPE_CHECK_INSTANCE_CAST ((obj), GIMP_TYPE_PICKABLE_BUTTON, GimpPickableButton))
#define GIMP_PICKABLE_BUTTON_CLASS(klass) (G_TYPE_CHECK_CLASS_CAST ((klass), GIMP_TYPE_PICKABLE_BUTTON, GimpPickableButtonClass))
#define GIMP_IS_PICKABLE_BUTTON(obj) (G_TYPE_CHECK_INSTANCE_TYPE ((obj), GIMP_TYPE_PICKABLE_BUTTON))
#define GIMP_IS_PICKABLE_BUTTON_CLASS(klass) (G_TYPE_CHECK_CLASS_TYPE ((klass), GIMP_TYPE_PICKABLE_BUTTON))
#define GIMP_PICKABLE_BUTTON_GET_CLASS(obj) (G_TYPE_INSTANCE_GET_CLASS ((obj), GIMP_TYPE_PICKABLE_BUTTON, GimpPickableButtonClass))
typedef struct _GimpPickableButtonPrivate GimpPickableButtonPrivate;
typedef struct _GimpPickableButtonClass GimpPickableButtonClass;
struct _GimpPickableButton
{
GimpButton parent_instance;
GimpPickableButtonPrivate *private;
};
struct _GimpPickableButtonClass
{
GimpButtonClass parent_class;
};
GType gimp_pickable_button_get_type (void) G_GNUC_CONST;
GtkWidget * gimp_pickable_button_new (GimpContext *context,
gint view_size,
gint view_border_width);
GimpPickable * gimp_pickable_button_get_pickable (GimpPickableButton *button);
void gimp_pickable_button_set_pickable (GimpPickableButton *button,
GimpPickable *pickable);
#endif /* __GIMP_PICKABLE_BUTTON_H__ */
......@@ -187,6 +187,7 @@ typedef struct _GimpLanguageEntry GimpLanguageEntry;
typedef struct _GimpLanguageStore GimpLanguageStore;
typedef struct _GimpMessageBox GimpMessageBox;
typedef struct _GimpOverlayBox GimpOverlayBox;
typedef struct _GimpPickableButton GimpPickableButton;
typedef struct _GimpPrefsBox GimpPrefsBox;
typedef struct _GimpProgressBox GimpProgressBox;
typedef struct _GimpScaleButton GimpScaleButton;
......
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