PIKApp/plug-ins/common/colormap-remap.c

853 lines
28 KiB
C

/* PIKA - Photo and Image Kooker Application
* a rebranding of The GNU Image Manipulation Program (created with heckimp)
* A derived work which may be trivial. However, any changes may be (C)2023 by Aldercone Studio
*
* Original copyright, applying to most contents (license remains unchanged):
* Copyright (C) 1995 Spencer Kimball and Peter Mattis
*
* 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/>.
*/
/*
* Colormap remapping plug-in
* Copyright (C) 2006 Mukund Sivaraman <muks@mukund.org>
*
* This plug-in takes the colormap and lets you move colors from one index
* to another while keeping the original image visually unmodified.
*
* Such functionality is useful for creating graphics files for applications
* which expect certain indices to contain some specific colors.
*
*/
#include "config.h"
#include <string.h>
#include <libpika/pika.h>
#include <libpika/pikaui.h>
#include "libpika/stdplugins-intl.h"
#define PLUG_IN_PROC_REMAP "plug-in-colormap-remap"
#define PLUG_IN_PROC_SWAP "plug-in-colormap-swap"
#define PLUG_IN_BINARY "colormap-remap"
#define PLUG_IN_ROLE "pika-colormap-remap"
struct _PikaRemap
{
PikaPlugIn parent_instance;
GtkApplication *app;
GtkWindow *window;
PikaImage *image;
guchar map[256];
gint n_cols;
GMenu *menu;
};
#define PIKA_TYPE_REMAP (pika_remap_get_type ())
G_DECLARE_FINAL_TYPE (PikaRemap, pika_remap, PIKA, REMAP, PikaPlugIn)
GType remap_get_type (void) G_GNUC_CONST;
static void pika_remap_finalize (GObject *object);
static GList * remap_query_procedures (PikaPlugIn *plug_in);
static PikaProcedure * remap_create_procedure (PikaPlugIn *plug_in,
const gchar *name);
static PikaValueArray * remap_run (PikaProcedure *procedure,
PikaRunMode run_mode,
PikaImage *image,
gint n_drawables,
PikaDrawable **drawables,
PikaProcedureConfig *config,
gpointer run_data);
static gboolean real_remap (PikaImage *image,
gint num_colors,
guchar *map);
static gboolean remap_dialog (PikaImage *image,
guchar *map,
PikaRemap *remap);
static void remap_sort_hue_action (GSimpleAction *action,
GVariant *parameter,
gpointer user_data);
static void remap_sort_sat_action (GSimpleAction *action,
GVariant *parameter,
gpointer user_data);
static void remap_sort_val_action (GSimpleAction *action,
GVariant *parameter,
gpointer user_data);
static void remap_reverse_action (GSimpleAction *action,
GVariant *parameter,
gpointer user_data);
static void remap_reset_action (GSimpleAction *action,
GVariant *parameter,
gpointer user_data);
static void on_app_activate (GApplication *gapp,
gpointer user_data);
G_DEFINE_TYPE (PikaRemap, pika_remap, PIKA_TYPE_PLUG_IN)
PIKA_MAIN (PIKA_TYPE_REMAP)
DEFINE_STD_SET_I18N
static GtkWindow *window = NULL;
static GtkListStore *store = NULL;
static gboolean remap_ok = FALSE;
static const GActionEntry ACTIONS[] =
{
{ "sort-hue", remap_sort_hue_action },
{ "sort-sat", remap_sort_sat_action },
{ "sort-val", remap_sort_val_action },
{ "reverse", remap_reverse_action },
{ "reset", remap_reset_action },
};
static void
pika_remap_class_init (PikaRemapClass *klass)
{
PikaPlugInClass *plug_in_class = PIKA_PLUG_IN_CLASS (klass);
GObjectClass *object_class = G_OBJECT_CLASS (klass);
object_class->finalize = pika_remap_finalize;
plug_in_class->query_procedures = remap_query_procedures;
plug_in_class->create_procedure = remap_create_procedure;
plug_in_class->set_i18n = STD_SET_I18N;
}
static void
pika_remap_finalize (GObject *object)
{
PikaRemap *remap = PIKA_REMAP (object);
G_OBJECT_CLASS (pika_remap_parent_class)->finalize (object);
g_clear_object (&remap->menu);
}
static void
pika_remap_init (PikaRemap *remap)
{
}
static GList *
remap_query_procedures (PikaPlugIn *plug_in)
{
GList *list = NULL;
list = g_list_prepend (list, g_strdup (PLUG_IN_PROC_REMAP));
list = g_list_prepend (list, g_strdup (PLUG_IN_PROC_SWAP));
return list;
}
static PikaProcedure *
remap_create_procedure (PikaPlugIn *plug_in,
const gchar *name)
{
PikaProcedure *procedure = NULL;
if (! strcmp (name, PLUG_IN_PROC_REMAP))
{
procedure = pika_image_procedure_new (plug_in, name,
PIKA_PDB_PROC_TYPE_PLUGIN,
remap_run, NULL, NULL);
pika_procedure_set_image_types (procedure, "INDEXED*");
pika_procedure_set_sensitivity_mask (procedure,
PIKA_PROCEDURE_SENSITIVE_DRAWABLE |
PIKA_PROCEDURE_SENSITIVE_DRAWABLES |
PIKA_PROCEDURE_SENSITIVE_NO_DRAWABLES);
pika_procedure_set_menu_label (procedure, _("R_earrange Colormap..."));
pika_procedure_set_icon_name (procedure, PIKA_ICON_COLORMAP);
pika_procedure_add_menu_path (procedure, "<Image>/Colors/Map/[Colormap]");
pika_procedure_add_menu_path (procedure, "<Colormap>");
pika_procedure_set_documentation (procedure,
_("Rearrange the colormap"),
_("This procedure takes an indexed "
"image and lets you alter the "
"positions of colors in the colormap "
"without visually changing the image."),
name);
pika_procedure_set_attribution (procedure,
"Mukund Sivaraman <muks@mukund.org>",
"Mukund Sivaraman <muks@mukund.org>",
"June 2006");
PIKA_PROC_ARG_BYTES (procedure, "map",
_("Map"),
_("Remap array for the colormap"),
G_PARAM_READWRITE);
}
else if (! strcmp (name, PLUG_IN_PROC_SWAP))
{
procedure = pika_image_procedure_new (plug_in, name,
PIKA_PDB_PROC_TYPE_PLUGIN,
remap_run, NULL, NULL);
pika_procedure_set_image_types (procedure, "INDEXED*");
pika_procedure_set_sensitivity_mask (procedure,
PIKA_PROCEDURE_SENSITIVE_DRAWABLE |
PIKA_PROCEDURE_SENSITIVE_DRAWABLES |
PIKA_PROCEDURE_SENSITIVE_NO_DRAWABLES);
pika_procedure_set_menu_label (procedure, _("_Swap Colors"));
pika_procedure_set_icon_name (procedure, PIKA_ICON_COLORMAP);
pika_procedure_set_documentation (procedure,
_("Swap two colors in the colormap"),
_("This procedure takes an indexed "
"image and lets you swap the "
"positions of two colors in the "
"colormap without visually changing "
"the image."),
name);
pika_procedure_set_attribution (procedure,
"Mukund Sivaraman <muks@mukund.org>",
"Mukund Sivaraman <muks@mukund.org>",
"June 2006");
PIKA_PROC_ARG_INT (procedure, "index1",
_("Index 1"),
_("First index in the colormap"),
0, 255, 0,
G_PARAM_READWRITE);
PIKA_PROC_ARG_INT (procedure, "index2",
_("Index 2"),
_("Second (other) index in the colormap"),
0, 255, 0,
G_PARAM_READWRITE);
}
return procedure;
}
static PikaValueArray *
remap_run (PikaProcedure *procedure,
PikaRunMode run_mode,
PikaImage *image,
gint n_drawables,
PikaDrawable **drawables,
PikaProcedureConfig *config,
gpointer run_data)
{
GMenu *section;
gint i;
PikaRemap *remap = PIKA_REMAP (run_data);
remap = PIKA_REMAP (pika_procedure_get_plug_in (procedure));
#if GLIB_CHECK_VERSION(2,74,0)
remap->app = gtk_application_new (NULL, G_APPLICATION_DEFAULT_FLAGS);
#else
remap->app = gtk_application_new (NULL, G_APPLICATION_FLAGS_NONE);
#endif
remap->image = image;
remap->menu = g_menu_new ();
section = g_menu_new ();
g_menu_append (section, _("Sort on Hue"), "win.sort-hue");
g_menu_append (section, _("Sort on Saturation"), "win.sort-sat");
g_menu_append (section, _("Sort on Value"), "win.sort-val");
g_menu_append_section (remap->menu, NULL, G_MENU_MODEL (section));
g_clear_object (&section);
section = g_menu_new ();
g_menu_append (section, _("Reverse Order"), "win.reverse");
g_menu_append (section, _("Reset Order"), "win.reset");
g_menu_append_section (remap->menu, NULL, G_MENU_MODEL (section));
g_clear_object (&section);
gegl_init (NULL, NULL);
/* Make sure that the image is indexed */
if (pika_image_get_base_type (image) != PIKA_INDEXED)
return pika_procedure_new_return_values (procedure,
PIKA_PDB_EXECUTION_ERROR,
NULL);
for (i = 0; i < 256; i++)
remap->map[i] = i;
if (strcmp (pika_procedure_get_name (procedure),
PLUG_IN_PROC_REMAP) == 0)
{
GBytes *col_args_bytes;
const guchar *col_args;
g_free (pika_image_get_colormap (image, NULL, &remap->n_cols));
g_object_get (config,
"map", &col_args_bytes,
NULL);
col_args = g_bytes_get_data (col_args_bytes, NULL);
switch (run_mode)
{
case PIKA_RUN_INTERACTIVE:
g_signal_connect (remap->app, "activate", G_CALLBACK (on_app_activate), remap);
g_application_run (G_APPLICATION (remap->app), 0, NULL);
g_clear_object (&remap->app);
if (! remap_ok)
return pika_procedure_new_return_values (procedure,
PIKA_PDB_CANCEL,
NULL);
break;
case PIKA_RUN_NONINTERACTIVE:
if (remap->n_cols != g_bytes_get_size (col_args_bytes))
return pika_procedure_new_return_values (procedure,
PIKA_PDB_CALLING_ERROR,
NULL);
for (i = 0; i < remap->n_cols; i++)
remap->map[i] = col_args[i];
break;
case PIKA_RUN_WITH_LAST_VALS:
break;
}
if (! real_remap (image, remap->n_cols, remap->map))
return pika_procedure_new_return_values (procedure,
PIKA_PDB_EXECUTION_ERROR,
NULL);
if (run_mode != PIKA_RUN_NONINTERACTIVE)
pika_displays_flush ();
}
else if (strcmp (pika_procedure_get_name (procedure),
PLUG_IN_PROC_SWAP) == 0)
{
guchar tmp;
gint n_cols;
gint index1;
gint index2;
g_object_get (config,
"index1", &index1,
"index2", &index2,
NULL);
if (run_mode != PIKA_RUN_NONINTERACTIVE)
return pika_procedure_new_return_values (procedure,
PIKA_PDB_CALLING_ERROR,
NULL);
g_free (pika_image_get_colormap (image, NULL, &n_cols));
if (index1 >= n_cols || index2 >= n_cols)
return pika_procedure_new_return_values (procedure,
PIKA_PDB_CALLING_ERROR,
NULL);
tmp = remap->map[index1];
remap->map[index1] = remap->map[index2];
remap->map[index2] = tmp;
if (! real_remap (image, n_cols, remap->map))
return pika_procedure_new_return_values (procedure,
PIKA_PDB_EXECUTION_ERROR,
NULL);
}
return pika_procedure_new_return_values (procedure, PIKA_PDB_SUCCESS, NULL);
}
static gboolean
real_remap (PikaImage *image,
gint num_colors,
guchar *map)
{
guchar *cmap;
guchar *new_cmap;
guchar *new_cmap_i;
gint ncols;
GList *layers;
GList *list;
glong pixels = 0;
glong processed = 0;
guchar pixel_map[256];
gboolean valid[256];
gint i;
cmap = pika_image_get_colormap (image, NULL, &ncols);
g_return_val_if_fail (cmap != NULL, FALSE);
g_return_val_if_fail (ncols > 0, FALSE);
if (num_colors != ncols)
{
g_message (_("Invalid remap array was passed to remap function"));
return FALSE;
}
for (i = 0; i < ncols; i++)
valid[i] = FALSE;
for (i = 0; i < ncols; i++)
{
if (map[i] >= ncols)
{
g_message (_("Invalid remap array was passed to remap function"));
return FALSE;
}
valid[map[i]] = TRUE;
pixel_map[map[i]] = i;
}
for (i = 0; i < ncols; i++)
if (valid[i] == FALSE)
{
g_message (_("Invalid remap array was passed to remap function"));
return FALSE;
}
new_cmap = g_new (guchar, ncols * 3);
new_cmap_i = new_cmap;
for (i = 0; i < ncols; i++)
{
gint j = map[i] * 3;
*new_cmap_i++ = cmap[j];
*new_cmap_i++ = cmap[j + 1];
*new_cmap_i++ = cmap[j + 2];
}
pika_image_undo_group_start (image);
pika_image_set_colormap (image, new_cmap, ncols);
g_free (cmap);
g_free (new_cmap);
pika_progress_init (_("Rearranging the colormap"));
/* There is no needs to process the layers recursively, because
* indexed images cannot have layer groups.
*/
layers = pika_image_list_layers (image);
for (list = layers; list; list = list->next)
pixels +=
pika_drawable_get_width (list->data) * pika_drawable_get_height (list->data);
for (list = layers; list; list = list->next)
{
GeglBuffer *buffer;
GeglBuffer *shadow;
const Babl *format;
GeglBufferIterator *iter;
GeglRectangle *src_roi;
GeglRectangle *dest_roi;
gint width, height, bpp;
gint update = 0;
buffer = pika_drawable_get_buffer (list->data);
shadow = pika_drawable_get_shadow_buffer (list->data);
width = gegl_buffer_get_width (buffer);
height = gegl_buffer_get_height (buffer);
format = gegl_buffer_get_format (buffer);
bpp = babl_format_get_bytes_per_pixel (format);
iter = gegl_buffer_iterator_new (buffer,
GEGL_RECTANGLE (0, 0, width, height), 0,
format,
GEGL_ACCESS_READ, GEGL_ABYSS_NONE, 2);
src_roi = &iter->items[0].roi;
gegl_buffer_iterator_add (iter, shadow,
GEGL_RECTANGLE (0, 0, width, height), 0,
format,
GEGL_ACCESS_WRITE, GEGL_ABYSS_NONE);
dest_roi = &iter->items[1].roi;
while (gegl_buffer_iterator_next (iter))
{
const guchar *src_row = iter->items[0].data;
guchar *dest_row = iter->items[1].data;
gint y;
for (y = 0; y < src_roi->height; y++)
{
const guchar *src = src_row;
guchar *dest = dest_row;
gint x;
if (bpp == 1)
{
for (x = 0; x < src_roi->width; x++)
*dest++ = pixel_map[*src++];
}
else
{
for (x = 0; x < src_roi->width; x++)
{
*dest++ = pixel_map[*src++];
*dest++ = *src++;
}
}
src_row += src_roi->width * bpp;
dest_row += dest_roi->width * bpp;
}
processed += src_roi->width * src_roi->height;
update %= 16;
if (update == 0)
pika_progress_update ((gdouble) processed / pixels);
update++;
}
g_object_unref (buffer);
g_object_unref (shadow);
pika_drawable_merge_shadow (list->data, TRUE);
pika_drawable_update (list->data, 0, 0, width, height);
}
g_list_free (layers);
pika_progress_update (1.0);
pika_image_undo_group_end (image);
return TRUE;
}
/* dialog */
#define RESPONSE_RESET 1
enum
{
COLOR_INDEX,
COLOR_INDEX_TEXT,
COLOR_RGB,
COLOR_H,
COLOR_S,
COLOR_V,
NUM_COLS
};
static gint reverse_order[256];
static void
remap_sort (GtkTreeSortable *store,
gint column,
GtkSortType order)
{
gtk_tree_sortable_set_sort_column_id (store, column, order);
gtk_tree_sortable_set_sort_column_id (store,
GTK_TREE_SORTABLE_UNSORTED_SORT_COLUMN_ID, 0);
}
static void
remap_sort_hue_action (GSimpleAction *action,
GVariant *parameter,
gpointer user_data)
{
remap_sort (GTK_TREE_SORTABLE (store), COLOR_H, GTK_SORT_ASCENDING);
}
static void
remap_sort_sat_action (GSimpleAction *action,
GVariant *parameter,
gpointer user_data)
{
remap_sort (GTK_TREE_SORTABLE (store), COLOR_S, GTK_SORT_ASCENDING);
}
static void
remap_sort_val_action (GSimpleAction *action,
GVariant *parameter,
gpointer user_data)
{
remap_sort (GTK_TREE_SORTABLE (store), COLOR_V, GTK_SORT_ASCENDING);
}
static void
remap_reset_action (GSimpleAction *action,
GVariant *parameter,
gpointer user_data)
{
remap_sort (GTK_TREE_SORTABLE (store), COLOR_INDEX,
GTK_SORT_ASCENDING);
}
static void
remap_reverse_action (GSimpleAction *action,
GVariant *parameter,
gpointer user_data)
{
gtk_list_store_reorder (store, reverse_order);
}
static gboolean
remap_popup_menu (GtkWidget *widget,
GdkEventButton *event,
PikaRemap *remap)
{
GtkWidget *menu;
menu = gtk_menu_new_from_model (G_MENU_MODEL (remap->menu));
gtk_menu_attach_to_widget (GTK_MENU (menu), GTK_WIDGET (window), NULL);
gtk_menu_popup_at_pointer (GTK_MENU (menu), (GdkEvent *) event);
return TRUE;
}
static gboolean
remap_button_press (GtkWidget *widget,
GdkEventButton *event,
PikaRemap *remap)
{
if (gdk_event_triggers_context_menu ((GdkEvent *) event))
return remap_popup_menu (widget, event, remap);
return FALSE;
}
static void
remap_response (GtkWidget *dialog,
gint response_id,
PikaRemap *remap)
{
switch (response_id)
{
case RESPONSE_RESET:
remap_reset_action (NULL, NULL, NULL);
break;
case GTK_RESPONSE_OK:
remap_ok = TRUE;
/* fallthrough */
default:
gtk_widget_destroy (GTK_WIDGET (window));
break;
}
}
static gboolean
remap_dialog (PikaImage *image,
guchar *map,
PikaRemap *remap)
{
GtkWidget *dialog;
GtkWidget *vbox;
GtkWidget *box;
GtkWidget *iconview;
GtkCellRenderer *renderer;
GtkTreeIter iter;
guchar *cmap;
gint ncols, i;
gboolean valid;
pika_ui_init (PLUG_IN_BINARY);
dialog = pika_dialog_new (_("Rearrange Colormap"), PLUG_IN_ROLE,
GTK_WIDGET (window), 0,
pika_standard_help_func, PLUG_IN_PROC_REMAP,
_("_Reset"), RESPONSE_RESET,
_("_Cancel"), GTK_RESPONSE_CANCEL,
_("_OK"), GTK_RESPONSE_OK,
NULL);
pika_dialog_set_alternative_button_order (GTK_DIALOG (dialog),
RESPONSE_RESET,
GTK_RESPONSE_OK,
GTK_RESPONSE_CANCEL,
-1);
pika_window_set_transient (GTK_WINDOW (dialog));
vbox = gtk_box_new (GTK_ORIENTATION_VERTICAL, 12);
gtk_container_set_border_width (GTK_CONTAINER (vbox), 12);
gtk_box_pack_start (GTK_BOX (gtk_dialog_get_content_area (GTK_DIALOG (dialog))),
vbox, TRUE, TRUE, 0);
cmap = pika_image_get_colormap (image, NULL, &ncols);
g_return_val_if_fail ((ncols > 0) && (ncols <= 256), FALSE);
store = gtk_list_store_new (NUM_COLS,
G_TYPE_INT, G_TYPE_STRING, PIKA_TYPE_RGB,
G_TYPE_DOUBLE, G_TYPE_DOUBLE, G_TYPE_DOUBLE);
for (i = 0; i < ncols; i++)
{
PikaRGB rgb;
PikaHSV hsv;
gint index = map[i];
gchar *text = g_strdup_printf ("%d", index);
pika_rgb_set_uchar (&rgb,
cmap[index * 3],
cmap[index * 3 + 1],
cmap[index * 3 + 2]);
pika_rgb_to_hsv (&rgb, &hsv);
reverse_order[i] = ncols - i - 1;
gtk_list_store_append (store, &iter);
gtk_list_store_set (store, &iter,
COLOR_INDEX, index,
COLOR_INDEX_TEXT, text,
COLOR_RGB, &rgb,
COLOR_H, hsv.h,
COLOR_S, hsv.s,
COLOR_V, hsv.v,
-1);
g_free (text);
}
g_free (cmap);
iconview = gtk_icon_view_new_with_model (GTK_TREE_MODEL (store));
g_object_unref (store);
gtk_box_pack_start (GTK_BOX (vbox), iconview, TRUE, TRUE, 0);
gtk_icon_view_set_selection_mode (GTK_ICON_VIEW (iconview),
GTK_SELECTION_SINGLE);
gtk_icon_view_set_item_orientation (GTK_ICON_VIEW (iconview),
GTK_ORIENTATION_VERTICAL);
gtk_icon_view_set_columns (GTK_ICON_VIEW (iconview), 16);
gtk_icon_view_set_row_spacing (GTK_ICON_VIEW (iconview), 0);
gtk_icon_view_set_column_spacing (GTK_ICON_VIEW (iconview), 0);
gtk_icon_view_set_reorderable (GTK_ICON_VIEW (iconview), TRUE);
renderer = pika_cell_renderer_color_new ();
gtk_cell_layout_pack_start (GTK_CELL_LAYOUT (iconview), renderer, TRUE);
gtk_cell_layout_set_attributes (GTK_CELL_LAYOUT (iconview), renderer,
"color", COLOR_RGB,
NULL);
g_object_set (renderer,
"width", 24,
NULL);
renderer = gtk_cell_renderer_text_new ();
gtk_cell_layout_pack_start (GTK_CELL_LAYOUT (iconview), renderer, TRUE);
gtk_cell_layout_set_attributes (GTK_CELL_LAYOUT (iconview), renderer,
"text", COLOR_INDEX_TEXT,
NULL);
g_object_set (renderer,
"size-points", 6.0,
"xalign", 0.5,
"ypad", 0,
NULL);
g_signal_connect (iconview, "popup-menu",
G_CALLBACK (remap_popup_menu),
remap);
g_signal_connect (iconview, "button-press-event",
G_CALLBACK (remap_button_press),
remap);
g_action_map_add_action_entries (G_ACTION_MAP (window),
ACTIONS, G_N_ELEMENTS (ACTIONS),
remap);
box = pika_hint_box_new (_("Drag and drop colors to rearrange the colormap. "
"The numbers shown are the original indices. "
"Right-click for a menu with sort options."));
gtk_box_pack_start (GTK_BOX (vbox), box, FALSE, FALSE, 0);
gtk_widget_show (box);
g_signal_connect (dialog, "response",
G_CALLBACK (remap_response),
remap);
gtk_widget_show_all (dialog);
i = 0;
for (valid = gtk_tree_model_get_iter_first (GTK_TREE_MODEL (store), &iter);
valid;
valid = gtk_tree_model_iter_next (GTK_TREE_MODEL (store), &iter))
{
gint index;
gtk_tree_model_get (GTK_TREE_MODEL (store), &iter,
COLOR_INDEX, &index,
-1);
map[i++] = index;
}
return remap_ok;
}
static void
on_app_activate (GApplication *gapp,
gpointer user_data)
{
PikaRemap *remap = PIKA_REMAP (user_data);
GtkApplication *app = GTK_APPLICATION (gapp);
window = GTK_WINDOW (gtk_application_window_new (app));
gtk_window_set_title (window, _("Rearrange Colors"));
gtk_window_set_role (window, PLUG_IN_ROLE);
pika_help_connect (GTK_WIDGET (window),
pika_standard_help_func, PLUG_IN_PROC_REMAP,
window, NULL);
remap_dialog (remap->image, remap->map, remap);
gtk_application_set_accels_for_action (app, "win.sort-hue", (const char*[]) { NULL });
gtk_application_set_accels_for_action (app, "win.sort-sat", (const char*[]) { NULL });
gtk_application_set_accels_for_action (app, "win.sort-val", (const char*[]) { NULL });
gtk_application_set_accels_for_action (app, "win.reverse", (const char*[]) { NULL });
gtk_application_set_accels_for_action (app, "win.reset", (const char*[]) { NULL });
}