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Gimp/app/widgets/gimpaction.c
Michael Natterer b23f231a1a Bug 792470 - Some filters e.g. "Levels" are not added to "Repeat last" history 
The four remaining "classic" color tools (Brightness-Contrast, Curves,
Levels and Threshold) are in fact just special UIs for otherwise
completely normal filter ops.

Add normal filter actions for them and invoke them like all
other filters, which makes them show up in the filter history
automatically.

The only small hack needed is to special case them in
gimp_gegl_procedure_execute_async() so the right tools are created
instead of the default GimpOperationTool. Also, blacklist the
automatically generated tools actions from action search and the
shortcut editor.
2018-01-14 15:42:29 +01:00

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/* GIMP - The GNU Image Manipulation Program
* Copyright (C) 1995 Spencer Kimball and Peter Mattis
*
* gimpaction.c
* Copyright (C) 2004 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 "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/gimpmarshal.h"
#include "core/gimpimagefile.h" /* eek */
#include "core/gimpviewable.h"
#include "gimpaction.h"
#include "gimpaction-history.h"
#include "gimpview.h"
#include "gimpviewrenderer.h"
enum
{
PROP_0,
PROP_CONTEXT,
PROP_COLOR,
PROP_VIEWABLE,
PROP_ELLIPSIZE,
PROP_MAX_WIDTH_CHARS
};
static void gimp_action_constructed (GObject *object);
static void gimp_action_finalize (GObject *object);
static void gimp_action_set_property (GObject *object,
guint prop_id,
const GValue *value,
GParamSpec *pspec);
static void gimp_action_get_property (GObject *object,
guint prop_id,
GValue *value,
GParamSpec *pspec);
static void gimp_action_connect_proxy (GtkAction *action,
GtkWidget *proxy);
static void gimp_action_set_proxy (GimpAction *action,
GtkWidget *proxy);
static void gimp_action_set_proxy_tooltip (GimpAction *action,
GtkWidget *proxy);
static void gimp_action_tooltip_notify (GimpAction *action,
const GParamSpec *pspec,
gpointer data);
G_DEFINE_TYPE (GimpAction, gimp_action, GTK_TYPE_ACTION)
#define parent_class gimp_action_parent_class
static void
gimp_action_class_init (GimpActionClass *klass)
{
GObjectClass *object_class = G_OBJECT_CLASS (klass);
GtkActionClass *action_class = GTK_ACTION_CLASS (klass);
GimpRGB black;
object_class->constructed = gimp_action_constructed;
object_class->finalize = gimp_action_finalize;
object_class->set_property = gimp_action_set_property;
object_class->get_property = gimp_action_get_property;
action_class->connect_proxy = gimp_action_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_init (GimpAction *action)
{
action->color = NULL;
action->viewable = NULL;
action->ellipsize = PANGO_ELLIPSIZE_NONE;
action->max_width_chars = -1;
g_signal_connect (action, "notify::tooltip",
G_CALLBACK (gimp_action_tooltip_notify),
NULL);
}
static void
gimp_action_constructed (GObject *object)
{
GimpAction *action = GIMP_ACTION (object);
g_signal_connect (action, "activate",
(GCallback) gimp_action_history_activate_callback,
NULL);
}
static void
gimp_action_finalize (GObject *object)
{
GimpAction *action = GIMP_ACTION (object);
g_clear_object (&action->context);
g_clear_pointer (&action->color, g_free);
g_clear_object (&action->viewable);
G_OBJECT_CLASS (parent_class)->finalize (object);
}
static void
gimp_action_get_property (GObject *object,
guint prop_id,
GValue *value,
GParamSpec *pspec)
{
GimpAction *action = GIMP_ACTION (object);
switch (prop_id)
{
case PROP_CONTEXT:
g_value_set_object (value, action->context);
break;
case PROP_COLOR:
g_value_set_boxed (value, action->color);
break;
case PROP_VIEWABLE:
g_value_set_object (value, action->viewable);
break;
case PROP_ELLIPSIZE:
g_value_set_enum (value, action->ellipsize);
break;
case PROP_MAX_WIDTH_CHARS:
g_value_set_int (value, action->max_width_chars);
break;
default:
G_OBJECT_WARN_INVALID_PROPERTY_ID (object, prop_id, pspec);
break;
}
}
static void
gimp_action_set_property (GObject *object,
guint prop_id,
const GValue *value,
GParamSpec *pspec)
{
GimpAction *action = GIMP_ACTION (object);
gboolean set_proxy = FALSE;
switch (prop_id)
{
case PROP_CONTEXT:
if (action->context)
g_object_unref (action->context);
action->context = g_value_dup_object (value);
break;
case PROP_COLOR:
if (action->color)
g_free (action->color);
action->color = g_value_dup_boxed (value);
set_proxy = TRUE;
break;
case PROP_VIEWABLE:
if (action->viewable)
g_object_unref (action->viewable);
action->viewable = g_value_dup_object (value);
set_proxy = TRUE;
break;
case PROP_ELLIPSIZE:
action->ellipsize = g_value_get_enum (value);
set_proxy = TRUE;
break;
case PROP_MAX_WIDTH_CHARS:
action->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 = gtk_action_get_proxies (GTK_ACTION (action));
list;
list = g_slist_next (list))
{
gimp_action_set_proxy (action, list->data);
}
}
}
static void
gimp_action_connect_proxy (GtkAction *action,
GtkWidget *proxy)
{
GTK_ACTION_CLASS (parent_class)->connect_proxy (action, proxy);
gimp_action_set_proxy (GIMP_ACTION (action), proxy);
gimp_action_set_proxy_tooltip (GIMP_ACTION (action), proxy);
}
/* public functions */
GimpAction *
gimp_action_new (const gchar *name,
const gchar *label,
const gchar *tooltip,
const gchar *icon_name)
{
GimpAction *action;
action = g_object_new (GIMP_TYPE_ACTION,
"name", name,
"label", label,
"tooltip", tooltip,
"icon-name", icon_name,
NULL);
return action;
}
gint
gimp_action_name_compare (GimpAction *action1,
GimpAction *action2)
{
return strcmp (gtk_action_get_name ((GtkAction *) action1),
gtk_action_get_name ((GtkAction *) action2));
}
gboolean
gimp_action_is_gui_blacklisted (const gchar *action_name)
{
static const gchar *suffixes[] =
{
"-menu",
"-popup"
};
static const gchar *prefixes[] =
{
"<",
"tools-color-average-radius-",
"tools-paintbrush-size-",
"tools-paintbrush-aspect-ratio-",
"tools-paintbrush-angle-",
"tools-paintbrush-spacing-",
"tools-paintbrush-hardness-",
"tools-paintbrush-force-",
"tools-ink-blob-size-",
"tools-ink-blob-aspect-",
"tools-ink-blob-angle-",
"tools-mypaint-brush-radius-",
"tools-mypaint-brush-hardness-",
"tools-foreground-select-brush-size-",
"tools-transform-preview-opacity-",
"tools-warp-effect-size-"
"tools-warp-effect-hardness-"
};
static const gchar *actions[] =
{
"tools-brightness-contrast",
"tools-curves",
"tools-levels",
"tools-threshold"
};
gint i;
if (! (action_name && *action_name))
return TRUE;
for (i = 0; i < G_N_ELEMENTS (suffixes); i++)
{
if (g_str_has_suffix (action_name, suffixes[i]))
return TRUE;
}
for (i = 0; i < G_N_ELEMENTS (prefixes); i++)
{
if (g_str_has_prefix (action_name, prefixes[i]))
return TRUE;
}
for (i = 0; i < G_N_ELEMENTS (actions); i++)
{
if (! strcmp (action_name, actions[i]))
return TRUE;
}
return FALSE;
}
/* private functions */
static void
gimp_action_set_proxy (GimpAction *action,
GtkWidget *proxy)
{
if (! GTK_IS_IMAGE_MENU_ITEM (proxy))
return;
if (action->color)
{
GtkWidget *area;
area = gtk_image_menu_item_get_image (GTK_IMAGE_MENU_ITEM (proxy));
if (GIMP_IS_COLOR_AREA (area))
{
gimp_color_area_set_color (GIMP_COLOR_AREA (area), action->color);
}
else
{
gint width, height;
area = gimp_color_area_new (action->color,
GIMP_COLOR_AREA_SMALL_CHECKS, 0);
gimp_color_area_set_draw_border (GIMP_COLOR_AREA (area), TRUE);
if (action->context)
gimp_color_area_set_color_config (GIMP_COLOR_AREA (area),
action->context->gimp->config->color_management);
gtk_icon_size_lookup_for_settings (gtk_widget_get_settings (proxy),
GTK_ICON_SIZE_MENU,
&width, &height);
gtk_widget_set_size_request (area, width, height);
gtk_image_menu_item_set_image (GTK_IMAGE_MENU_ITEM (proxy), area);
gtk_image_menu_item_set_always_show_image (GTK_IMAGE_MENU_ITEM (proxy),
TRUE);
gtk_widget_show (area);
}
}
else if (action->viewable)
{
GtkWidget *view;
view = gtk_image_menu_item_get_image (GTK_IMAGE_MENU_ITEM (proxy));
if (GIMP_IS_VIEW (view) &&
g_type_is_a (G_TYPE_FROM_INSTANCE (action->viewable),
GIMP_VIEW (view)->renderer->viewable_type))
{
gimp_view_set_viewable (GIMP_VIEW (view), action->viewable);
}
else
{
GtkIconSize size;
gint width, height;
gint border_width;
if (GIMP_IS_IMAGEFILE (action->viewable))
{
size = GTK_ICON_SIZE_LARGE_TOOLBAR;
border_width = 0;
}
else
{
size = GTK_ICON_SIZE_MENU;
border_width = 1;
}
gtk_icon_size_lookup_for_settings (gtk_widget_get_settings (proxy),
size, &width, &height);
view = gimp_view_new_full (action->context, action->viewable,
width, height, border_width,
FALSE, FALSE, FALSE);
gtk_image_menu_item_set_image (GTK_IMAGE_MENU_ITEM (proxy), view);
gtk_image_menu_item_set_always_show_image (GTK_IMAGE_MENU_ITEM (proxy),
TRUE);
gtk_widget_show (view);
}
}
else
{
GtkWidget *image;
image = gtk_image_menu_item_get_image (GTK_IMAGE_MENU_ITEM (proxy));
if (GIMP_IS_VIEW (image) || GIMP_IS_COLOR_AREA (image))
{
gtk_image_menu_item_set_image (GTK_IMAGE_MENU_ITEM (proxy), NULL);
gtk_image_menu_item_set_always_show_image (GTK_IMAGE_MENU_ITEM (proxy),
FALSE);
g_object_notify (G_OBJECT (action), "icon-name");
}
}
{
GtkWidget *child = gtk_bin_get_child (GTK_BIN (proxy));
if (GTK_IS_LABEL (child))
{
GtkLabel *label = GTK_LABEL (child);
gtk_label_set_ellipsize (label, action->ellipsize);
gtk_label_set_max_width_chars (label, action->max_width_chars);
}
}
}
static void
gimp_action_set_proxy_tooltip (GimpAction *action,
GtkWidget *proxy)
{
const gchar *tooltip = gtk_action_get_tooltip (GTK_ACTION (action));
if (tooltip)
gimp_help_set_help_data (proxy, tooltip,
g_object_get_qdata (G_OBJECT (proxy),
GIMP_HELP_ID));
}
static void
gimp_action_tooltip_notify (GimpAction *action,
const GParamSpec *pspec,
gpointer data)
{
GSList *list;
for (list = gtk_action_get_proxies (GTK_ACTION (action));
list;
list = g_slist_next (list))
{
gimp_action_set_proxy_tooltip (action, list->data);
}
}
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