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gimp/app/widgets/gimpactionimpl.c

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/* GIMP - The GNU Image Manipulation Program
* Copyright (C) 1995 Spencer Kimball and Peter Mattis
*
* gimpaction.c
* Copyright (C) 2004-2019 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 <https://www.gnu.org/licenses/>.
*/
#include "config.h"
#include <gegl.h>
#include <gtk/gtk.h>
#include "libgimpbase/gimpbase.h"
#include "libgimpcolor/gimpcolor.h"
#include "libgimpwidgets/gimpwidgets.h"
#include "widgets-types.h"
#include "config/gimpcoreconfig.h"
#include "core/gimp.h"
#include "core/gimpcontext.h"
#include "core/gimpimagefile.h" /* eek */
#include "gimpaction.h"
#include "gimpactionimpl.h"
#include "gimpaction-history.h"
#include "gimpview.h"
#include "gimpviewrenderer.h"
#include "gimpwidgets-utils.h"
enum
{
PROP_0,
PROP_CONTEXT,
PROP_COLOR,
PROP_VIEWABLE,
PROP_ELLIPSIZE,
PROP_MAX_WIDTH_CHARS
};
static void gimp_action_iface_init (GimpActionInterface *iface);
static void gimp_action_impl_finalize (GObject *object);
static void gimp_action_impl_set_property (GObject *object,
guint prop_id,
const GValue *value,
GParamSpec *pspec);
static void gimp_action_impl_get_property (GObject *object,
guint prop_id,
GValue *value,
GParamSpec *pspec);
static void gimp_action_impl_set_disable_reason (GimpAction *action,
const gchar *reason);
static const gchar *
gimp_action_impl_get_disable_reason (GimpAction *action);
static void gimp_action_impl_activate (GtkAction *action);
static void gimp_action_impl_connect_proxy (GtkAction *action,
GtkWidget *proxy);
static void gimp_action_impl_set_proxy (GimpActionImpl *impl,
GtkWidget *proxy);
G_DEFINE_TYPE_WITH_CODE (GimpActionImpl, gimp_action_impl, GTK_TYPE_ACTION,
G_IMPLEMENT_INTERFACE (GIMP_TYPE_ACTION, gimp_action_iface_init))
#define parent_class gimp_action_impl_parent_class
static void
gimp_action_impl_class_init (GimpActionImplClass *klass)
{
GObjectClass *object_class = G_OBJECT_CLASS (klass);
GtkActionClass *action_class = GTK_ACTION_CLASS (klass);
GimpRGB black;
object_class->finalize = gimp_action_impl_finalize;
object_class->set_property = gimp_action_impl_set_property;
object_class->get_property = gimp_action_impl_get_property;
action_class->activate = gimp_action_impl_activate;
action_class->connect_proxy = gimp_action_impl_connect_proxy;
gimp_rgba_set (&black, 0.0, 0.0, 0.0, GIMP_OPACITY_OPAQUE);
g_object_class_install_property (object_class, PROP_CONTEXT,
g_param_spec_object ("context",
NULL, NULL,
GIMP_TYPE_CONTEXT,
GIMP_PARAM_READWRITE));
g_object_class_install_property (object_class, PROP_COLOR,
gimp_param_spec_rgb ("color",
NULL, NULL,
TRUE, &black,
GIMP_PARAM_READWRITE));
g_object_class_install_property (object_class, PROP_VIEWABLE,
g_param_spec_object ("viewable",
NULL, NULL,
GIMP_TYPE_VIEWABLE,
GIMP_PARAM_READWRITE));
g_object_class_install_property (object_class, PROP_ELLIPSIZE,
g_param_spec_enum ("ellipsize",
NULL, NULL,
PANGO_TYPE_ELLIPSIZE_MODE,
PANGO_ELLIPSIZE_NONE,
GIMP_PARAM_READWRITE));
g_object_class_install_property (object_class, PROP_MAX_WIDTH_CHARS,
g_param_spec_int ("max-width-chars",
NULL, NULL,
-1, G_MAXINT, -1,
GIMP_PARAM_READWRITE));
}
static void
gimp_action_iface_init (GimpActionInterface *iface)
{
iface->set_disable_reason = gimp_action_impl_set_disable_reason;
iface->get_disable_reason = gimp_action_impl_get_disable_reason;
}
static void
gimp_action_impl_init (GimpActionImpl *impl)
{
impl->ellipsize = PANGO_ELLIPSIZE_NONE;
impl->max_width_chars = -1;
impl->disable_reason = NULL;
gimp_action_init (GIMP_ACTION (impl));
}
static void
gimp_action_impl_finalize (GObject *object)
{
GimpActionImpl *impl = GIMP_ACTION_IMPL (object);
g_clear_pointer (&impl->disable_reason, g_free);
g_clear_object (&impl->context);
g_clear_pointer (&impl->color, g_free);
g_clear_object (&impl->viewable);
G_OBJECT_CLASS (parent_class)->finalize (object);
}
static void
gimp_action_impl_get_property (GObject *object,
guint prop_id,
GValue *value,
GParamSpec *pspec)
{
GimpActionImpl *impl = GIMP_ACTION_IMPL (object);
switch (prop_id)
{
case PROP_CONTEXT:
g_value_set_object (value, impl->context);
break;
case PROP_COLOR:
g_value_set_boxed (value, impl->color);
break;
case PROP_VIEWABLE:
g_value_set_object (value, impl->viewable);
break;
case PROP_ELLIPSIZE:
g_value_set_enum (value, impl->ellipsize);
break;
case PROP_MAX_WIDTH_CHARS:
g_value_set_int (value, impl->max_width_chars);
break;
default:
G_OBJECT_WARN_INVALID_PROPERTY_ID (object, prop_id, pspec);
break;
}
}
static void
gimp_action_impl_set_property (GObject *object,
guint prop_id,
const GValue *value,
GParamSpec *pspec)
{
GimpActionImpl *impl = GIMP_ACTION_IMPL (object);
gboolean set_proxy = FALSE;
switch (prop_id)
{
case PROP_CONTEXT:
g_set_object (&impl->context, g_value_get_object (value));
break;
case PROP_COLOR:
g_clear_pointer (&impl->color, g_free);
impl->color = g_value_dup_boxed (value);
set_proxy = TRUE;
break;
case PROP_VIEWABLE:
g_set_object (&impl->viewable, g_value_get_object (value));
set_proxy = TRUE;
break;
case PROP_ELLIPSIZE:
impl->ellipsize = g_value_get_enum (value);
set_proxy = TRUE;
break;
case PROP_MAX_WIDTH_CHARS:
impl->max_width_chars = g_value_get_int (value);
set_proxy = TRUE;
break;
default:
G_OBJECT_WARN_INVALID_PROPERTY_ID (object, prop_id, pspec);
break;
}
if (set_proxy)
{
GSList *list;
for (list = gimp_action_get_proxies (GIMP_ACTION (impl));
list;
list = g_slist_next (list))
{
gimp_action_impl_set_proxy (impl, list->data);
}
}
}
static void
gimp_action_impl_set_disable_reason (GimpAction *action,
const gchar *reason)
{
GimpActionImpl *impl = GIMP_ACTION_IMPL (action);
g_clear_pointer (&impl->disable_reason, g_free);
if (reason)
impl->disable_reason = g_strdup (reason);
}
static const gchar *
gimp_action_impl_get_disable_reason (GimpAction *action)
{
GimpActionImpl *impl = GIMP_ACTION_IMPL (action);
return (const gchar *) impl->disable_reason;
}
static void
gimp_action_impl_activate (GtkAction *action)
{
if (GTK_ACTION_CLASS (parent_class)->activate)
GTK_ACTION_CLASS (parent_class)->activate (action);
gimp_action_emit_activate (GIMP_ACTION (action), NULL);
gimp_action_history_action_activated (GIMP_ACTION (action));
}
static void
gimp_action_impl_connect_proxy (GtkAction *action,
GtkWidget *proxy)
{
GTK_ACTION_CLASS (parent_class)->connect_proxy (action, proxy);
gimp_action_impl_set_proxy (GIMP_ACTION_IMPL (action), proxy);
gimp_action_set_proxy (GIMP_ACTION (action), proxy);
}
/* public functions */
GimpAction *
gimp_action_impl_new (const gchar *name,
const gchar *label,
const gchar *tooltip,
const gchar *icon_name,
const gchar *help_id)
{
GimpAction *action;
action = g_object_new (GIMP_TYPE_ACTION_IMPL,
"name", name,
"label", label,
"tooltip", tooltip,
"icon-name", icon_name,
NULL);
gimp_action_set_help_id (action, help_id);
return action;
}
/* private functions */
static void
gimp_action_impl_set_proxy (GimpActionImpl *impl,
GtkWidget *proxy)
{
if (! GTK_IS_MENU_ITEM (proxy))
return;
if (impl->color)
{
GtkWidget *area;
area = gimp_menu_item_get_image (GTK_MENU_ITEM (proxy));
if (GIMP_IS_COLOR_AREA (area))
{
gimp_color_area_set_color (GIMP_COLOR_AREA (area), impl->color);
}
else
{
gint width, height;
area = gimp_color_area_new (impl->color,
GIMP_COLOR_AREA_SMALL_CHECKS, 0);
gimp_color_area_set_draw_border (GIMP_COLOR_AREA (area), TRUE);
if (impl->context)
gimp_color_area_set_color_config (GIMP_COLOR_AREA (area),
impl->context->gimp->config->color_management);
gtk_icon_size_lookup (GTK_ICON_SIZE_MENU, &width, &height);
gtk_widget_set_size_request (area, width, height);
gimp_menu_item_set_image (GTK_MENU_ITEM (proxy), area);
gtk_widget_show (area);
}
}
else if (impl->viewable)
{
GtkWidget *view;
view = gimp_menu_item_get_image (GTK_MENU_ITEM (proxy));
if (GIMP_IS_VIEW (view) &&
g_type_is_a (G_TYPE_FROM_INSTANCE (impl->viewable),
GIMP_VIEW (view)->renderer->viewable_type))
{
gimp_view_set_viewable (GIMP_VIEW (view), impl->viewable);
}
else
{
GtkIconSize size;
gint width, height;
gint border_width;
if (GIMP_IS_IMAGEFILE (impl->viewable))
{
size = GTK_ICON_SIZE_LARGE_TOOLBAR;
border_width = 0;
}
else
{
size = GTK_ICON_SIZE_MENU;
border_width = 1;
}
gtk_icon_size_lookup (size, &width, &height);
view = gimp_view_new_full (impl->context, impl->viewable,
width, height, border_width,
FALSE, FALSE, FALSE);
gimp_menu_item_set_image (GTK_MENU_ITEM (proxy), view);
gtk_widget_show (view);
}
}
else
{
GtkWidget *image;
image = gimp_menu_item_get_image (GTK_MENU_ITEM (proxy));
if (GIMP_IS_VIEW (image) || GIMP_IS_COLOR_AREA (image))
{
gimp_menu_item_set_image (GTK_MENU_ITEM (proxy), NULL);
g_object_notify (G_OBJECT (impl), "icon-name");
}
}
{
GtkWidget *child = gtk_bin_get_child (GTK_BIN (proxy));
if (GTK_IS_BOX (child))
child = g_object_get_data (G_OBJECT (proxy), "gimp-menu-item-label");
if (GTK_IS_LABEL (child))
{
GtkLabel *label = GTK_LABEL (child);
gtk_label_set_ellipsize (label, impl->ellipsize);
gtk_label_set_max_width_chars (label, impl->max_width_chars);
}
}
}
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