/* GIMP - The GNU Image Manipulation Program
 * 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 <http://www.gnu.org/licenses/>.
 */

#include "config.h"

#include <gegl.h>
#include <gegl-plugin.h>
#include <gtk/gtk.h>

#include "libgimpwidgets/gimpwidgets.h"

#include "actions-types.h"

#include "core/gimpimage.h"
#include "core/gimplayermask.h"

#include "widgets/gimpactiongroup.h"
#include "widgets/gimphelp-ids.h"

#include "actions.h"
#include "filters-actions.h"
#include "filters-commands.h"

#include "gimp-intl.h"


static const GimpStringActionEntry filters_actions[] =
{
  { "filters-alien-map", GIMP_STOCK_GEGL,
    NC_("filters-action", "_Alien Map..."), NULL, NULL,
    "gegl:alien-map",
    NULL /* FIXME GIMP_HELP_FILTER_ALIEN_MAP */ },

  { "filters-antialias", GIMP_STOCK_GEGL,
    NC_("filters-action", "_Antialias..."), NULL, NULL,
    "gegl:antialias",
    NULL /* FIXME GIMP_HELP_FILTER_ANTIALIAS */ },

  { "filters-apply-canvas", GIMP_STOCK_GEGL,
    NC_("filters-action", "_Apply Canvas..."), NULL, NULL,
    "gegl:texturize-canvas",
    NULL /* FIXME GIMP_HELP_FILTER_APPLY_CANVAS */ },

  { "filters-bump-map", GIMP_STOCK_GEGL,
    NC_("filters-action", "_Bump Map..."), NULL, NULL,
    "gegl:bump-map",
    NULL /* FIXME GIMP_HELP_FILTER_BUMP_MAP */ },

  { "filters-c2g", GIMP_STOCK_GEGL,
    NC_("filters-action", "Color to Gray..."), NULL, NULL,
    "gegl:c2g",
    NULL /* FIXME GIMP_HELP_FILTER_C2G */ },

  { "filters-cartoon", GIMP_STOCK_GEGL,
    NC_("filters-action", "Ca_rtoon..."), NULL, NULL,
    "gegl:cartoon",
    NULL /* FIXME GIMP_HELP_FILTER_CARTOON */ },

  { "filters-channel-mixer", GIMP_STOCK_GEGL,
    NC_("filters-action", "_Channel Mixer..."), NULL, NULL,
    "gegl:channel-mixer",
    NULL /* FIXME GIMP_HELP_FILTER_CHANNEL_MIXER */ },

  { "filters-checkerboard", GIMP_STOCK_GEGL,
    NC_("filters-action", "_Checkerboard..."), NULL, NULL,
    "gegl:checkerboard",
    NULL /* FIXME GIMP_HELP_FILTER_CHECKERBOARD */ },

  { "filters-color-reduction", GIMP_STOCK_GEGL,
    NC_("filters-action", "Color _Reduction..."), NULL, NULL,
    "gegl:color-reduction",
    NULL /* FIXME GIMP_HELP_FILTER_COLOR_TEMPERATURE */ },

  { "filters-color-temperature", GIMP_STOCK_GEGL,
    NC_("filters-action", "Color T_emperature..."), NULL, NULL,
    "gegl:color-temperature",
    NULL /* FIXME GIMP_HELP_FILTER_COLOR_TEMPERATURE */ },

  { "filters-color-to-alpha", GIMP_STOCK_GEGL,
    NC_("filters-action", "Color to _Alpha..."), NULL, NULL,
    "gegl:color-to-alpha",
    NULL /* FIXME GIMP_HELP_FILTER_COLOR_TO_ALPHA */ },

  { "filters-cubism", GIMP_STOCK_GEGL,
    NC_("filters-action", "_Cubism..."), NULL, NULL,
    "gegl:cubism",
    NULL /* FIXME GIMP_HELP_FILTER_CUBISM */ },

  { "filters-deinterlace", GIMP_STOCK_GEGL,
    NC_("filters-action", "_Deinterlace..."), NULL, NULL,
    "gegl:deinterlace",
    NULL /* FIXME GIMP_HELP_FILTER_DEINTERLACE */ },

  { "filters-difference-of-gaussians", GIMP_STOCK_GEGL,
    NC_("filters-action", "Difference of Gaussians..."), NULL, NULL,
    "gegl:difference-of-gaussians",
    NULL /* FIXME GIMP_HELP_FILTER_DIFFERENCE_OF_GAUSSIANS */ },

  { "filters-dropshadow", GIMP_STOCK_GEGL,
    NC_("filters-action", "_Drop Shadow..."), NULL, NULL,
    "gegl:dropshadow",
    NULL /* FIXME GIMP_HELP_FILTER_DROPSHADOW */ },

  { "filters-edge-laplace", GIMP_STOCK_GEGL,
    NC_("filters-action", "_Laplace"), NULL, NULL,
    "gegl:edge-laplace",
    NULL /* FIXME GIMP_HELP_FILTER_EDGE_LAPLACE */ },

  { "filters-edge-sobel", GIMP_STOCK_GEGL,
    NC_("filters-action", "_Sobel..."), NULL, NULL,
    "gegl:edge-sobel",
    NULL /* FIXME GIMP_HELP_FILTER_EDGE_SOBEL */ },

  { "filters-emboss", GIMP_STOCK_GEGL,
    NC_("filters-action", "_Emboss..."), NULL, NULL,
    "gegl:emboss",
    NULL /* FIXME GIMP_HELP_FILTER_EMBOSS */ },

  { "filters-exposure", GIMP_STOCK_GEGL,
    NC_("filters-action", "_E_xposure..."), NULL, NULL,
    "gegl:exposure",
    NULL /* FIXME GIMP_HELP_FILTER_EXPOSURE */ },

  { "filters-fractal-trace", GIMP_STOCK_GEGL,
    NC_("filters-action", "_Fractal Trace..."), NULL, NULL,
    "gegl:fractal-trace",
    NULL /* FIXME GIMP_HELP_FILTER_FRACTAL_TRACE */ },

  { "filters-gaussian-blur", GIMP_STOCK_GEGL,
    NC_("filters-action", "_Gaussian Blur..."), NULL, NULL,
    "gegl:gaussian-blur",
    NULL /* FIXME GIMP_HELP_FILTER_GAUSSIAN_BLUR */ },

  { "filters-grid", GIMP_STOCK_GEGL,
    NC_("filters-action", "_Grid..."), NULL, NULL,
    "gegl:grid",
    NULL /* FIXME GIMP_HELP_FILTER_GAUSSIAN_GRID */ },

  { "filters-lens-distortion", GIMP_STOCK_GEGL,
    NC_("filters-action", "Lens Distortion..."), NULL, NULL,
    "gegl:lens-distortion",
    NULL /* FIXME GIMP_HELP_FILTER_LENS_DISTORTION */ },

  { "filters-mono-mixer", GIMP_STOCK_GEGL,
    NC_("filters-action", "Mono Mixer..."), NULL, NULL,
    "gegl:mono-mixer",
    NULL /* FIXME GIMP_HELP_FILTER_MONO_MIXER */ },

  { "filters-mosaic", GIMP_STOCK_GEGL,
    NC_("filters-action", "_Mosaic..."), NULL, NULL,
    "gegl:mosaic",
    NULL /* FIXME GIMP_HELP_FILTER_MOSAIC */ },

  { "filters-motion-blur-circular", GIMP_STOCK_GEGL,
    NC_("filters-action", "_Circular Motion Blur..."), NULL, NULL,
    "gegl:motion-blur-circular",
    NULL /* FIXME GIMP_HELP_FILTER_MOTION_BLUR_CIRCULAR */ },

  { "filters-motion-blur-linear", GIMP_STOCK_GEGL,
    NC_("filters-action", "_Linear Motion Blur..."), NULL, NULL,
    "gegl:motion-blur-linear",
    NULL /* FIXME GIMP_HELP_FILTER_MOTION_BLUR_LINEAR */ },

  { "filters-motion-blur-zoom", GIMP_STOCK_GEGL,
    NC_("filters-action", "_Zoom Motion Blur..."), NULL, NULL,
    "gegl:motion-blur-zoom",
    NULL /* FIXME GIMP_HELP_FILTER_MOTION_BLUR_ZOOM */ },

  { "filters-noise-cie-lch", GIMP_STOCK_GEGL,
    NC_("filters-action", "CIE lch Noise..."), NULL, NULL,
    "gegl:noise-cie-lch",
    NULL /* FIXME GIMP_HELP_FILTER_NOISE_CIE_LCH */ },

  { "filters-noise-hsv", GIMP_STOCK_GEGL,
    NC_("filters-action", "HSV Noise..."), NULL, NULL,
    "gegl:noise-hsv",
    NULL /* FIXME GIMP_HELP_FILTER_NOISE_HSV */ },

  { "filters-noise-hurl", GIMP_STOCK_GEGL,
    NC_("filters-action", "_Hurl..."), NULL, NULL,
    "gegl:noise-hurl",
    NULL /* FIXME GIMP_HELP_FILTER_NOISE_HURL */ },

  { "filters-noise-pick", GIMP_STOCK_GEGL,
    NC_("filters-action", "_Pick..."), NULL, NULL,
    "gegl:noise-pick",
    NULL /* FIXME GIMP_HELP_FILTER_NOISE_PICK */ },

  { "filters-noise-rgb", GIMP_STOCK_GEGL,
    NC_("filters-action", "_RGB Noise..."), NULL, NULL,
    "gegl:noise-rgb",
    NULL /* FIXME GIMP_HELP_FILTER_NOISE_RGB */ },

  { "filters-noise-slur", GIMP_STOCK_GEGL,
    NC_("filters-action", "_Slur..."), NULL, NULL,
    "gegl:noise-slur",
    NULL /* FIXME GIMP_HELP_FILTER_NOISE_SLUR */ },

  { "filters-noise-spread", GIMP_STOCK_GEGL,
    NC_("filters-action", "Sp_read..."), NULL, NULL,
    "gegl:noise-spread",
    NULL /* FIXME GIMP_HELP_FILTER_NOISE_SPREAD */ },

  { "filters-photocopy", GIMP_STOCK_GEGL,
    NC_("filters-action", "_Photocopy..."), NULL, NULL,
    "gegl:photocopy",
    NULL /* FIXME GIMP_HELP_FILTER_PHOTOCOPY */ },

  { "filters-pixelize", GIMP_STOCK_GEGL,
    NC_("filters-action", "_Pixelize..."), NULL, NULL,
    "gegl:pixelize",
    NULL /* FIXME GIMP_HELP_FILTER_PIXELIZE */ },

  { "filters-plasma", GIMP_STOCK_GEGL,
    NC_("filters-action", "_Plasma..."), NULL, NULL,
    "gegl:plasma",
    NULL /* FIXME GIMP_HELP_FILTER_PLASMA */ },

  { "filters-polar-coordinates", GIMP_STOCK_GEGL,
    NC_("filters-action", "P_olar Coordinates..."), NULL, NULL,
    "gegl:polar-coordinates",
    NULL /* FIXME GIMP_HELP_FILTER_POLAR_COORDINATES */ },

  { "filters-red-eye-removal", GIMP_STOCK_GEGL,
    NC_("filters-action", "_Red Eye Removal..."), NULL, NULL,
    "gegl:red-eye-removal",
    NULL /* FIXME GIMP_HELP_FILTER_RED_EYE_REMOVAL */ },

  { "filters-ripple", GIMP_STOCK_GEGL,
    NC_("filters-action", "_Ripple..."), NULL, NULL,
    "gegl:ripple",
    NULL /* FIXME GIMP_HELP_FILTER_RIPPLE */ },

  { "filters-semi-flatten", GIMP_STOCK_GEGL,
    NC_("filters-action", "_Semi-Flatten..."), NULL, NULL,
    "gimp:semi-flatten",
    NULL /* FIXME GIMP_HELP_FILTER_POLAR_COORDINATES */ },

  { "filters-shift", GIMP_STOCK_GEGL,
    NC_("filters-action", "_Shift..."), NULL, NULL,
    "gegl:shift",
    NULL /* FIXME GIMP_HELP_FILTER_SHIFT */ },

  { "filters-softglow", GIMP_STOCK_GEGL,
    NC_("filters-action", "_Softglow..."), NULL, NULL,
    "gegl:softglow",
    NULL /* FIXME GIMP_HELP_FILTER_SOFTGLOW */ },

  { "filters-stretch-contrast", GIMP_STOCK_GEGL,
    NC_("filters-action", "_Stretch Contrast..."), NULL, NULL,
    "gegl:stretch-contrast",
    NULL /* FIXME GIMP_HELP_FILTER_STRETCH_CONTRAST */ },

  { "filters-stretch-contrast-hsv", GIMP_STOCK_GEGL,
    NC_("filters-action", "_Stretch Contrast HSV..."), NULL, NULL,
    "gegl:stretch-contrast-hsv",
    NULL /* FIXME GIMP_HELP_FILTER_STRETCH_CONTRAST_HSV */ },

  { "filters-threshold-alpha", GIMP_STOCK_GEGL,
    NC_("filters-action", "_Threshold Alpha..."), NULL, NULL,
    "gimp:threshold-alpha",
    NULL /* FIXME GIMP_HELP_FILTER_POLAR_COORDINATES */ },

  { "filters-tile-seamless", GIMP_STOCK_GEGL,
    NC_("filters-action", "_Tile Seamless..."), NULL, NULL,
    "gegl:tile-seamless",
    NULL /* FIXME GIMP_HELP_FILTER_TILE_SEAMLESS */ },

  { "filters-unsharp-mask", GIMP_STOCK_GEGL,
    NC_("filters-action", "_Unsharp Mask..."), NULL, NULL,
    "gegl:unsharp-mask",
    NULL /* FIXME GIMP_HELP_FILTER_UNSHARP_MASK */ },

  { "filters-vignette", GIMP_STOCK_GEGL,
    NC_("filters-action", "_Vignette..."), NULL, NULL,
    "gegl:vignette",
    NULL /* FIXME GIMP_HELP_FILTER_VIGNETTE */ },

  { "filters-waves", GIMP_STOCK_GEGL,
    NC_("filters-action", "_Waves..."), NULL, NULL,
    "gegl:waves",
    NULL /* FIXME GIMP_HELP_FILTER_WAVES */ },

  { "filters-whirl-pinch", GIMP_STOCK_GEGL,
    NC_("filters-action", "W_hirl and Pinch..."), NULL, NULL,
    "gegl:whirl-pinch",
    NULL /* FIXME GIMP_HELP_FILTER_WHIRL_PINCH */ },

  { "filters-wind", GIMP_STOCK_GEGL,
    NC_("filters-action", "W_ind..."), NULL, NULL,
    "gegl:wind",
    NULL /* FIXME GIMP_HELP_FILTER_WIND */ },
};

void
filters_actions_setup (GimpActionGroup *group)
{
  gint i;

  gimp_action_group_add_string_actions (group, "filters-action",
                                        filters_actions,
                                        G_N_ELEMENTS (filters_actions),
                                        G_CALLBACK (filters_filter_cmd_callback));

  for (i = 0; i < G_N_ELEMENTS (filters_actions); i++)
    {
      const GimpStringActionEntry *entry = &filters_actions[i];
      const gchar                 *description;

      description = gegl_operation_get_key (entry->value, "description");

      if (description)
        gimp_action_group_set_action_tooltip (group, entry->name,
                                              description);
    }
}

void
filters_actions_update (GimpActionGroup *group,
                        gpointer         data)
{
  GimpImage    *image;
  GimpDrawable *drawable = NULL;
  gboolean      writable = FALSE;
  gboolean      gray     = FALSE;
  gboolean      alpha    = FALSE;

  image = action_data_get_image (data);

  if (image)
    {
      drawable = gimp_image_get_active_drawable (image);

      if (drawable)
        {
          GimpItem *item;

          alpha = gimp_drawable_has_alpha (drawable);
          gray  = gimp_drawable_is_gray (drawable);

          if (GIMP_IS_LAYER_MASK (drawable))
            item = GIMP_ITEM (gimp_layer_mask_get_layer (GIMP_LAYER_MASK (drawable)));
          else
            item = GIMP_ITEM (drawable);

          writable = ! gimp_item_is_content_locked (item);

          if (gimp_viewable_get_children (GIMP_VIEWABLE (drawable)))
            writable = FALSE;
        }
    }

#define SET_SENSITIVE(action,condition) \
        gimp_action_group_set_action_sensitive (group, action, (condition) != 0)

  SET_SENSITIVE ("filters-alien-map",               writable);
  SET_SENSITIVE ("filters-antialias",               writable);
  SET_SENSITIVE ("filters-apply-canvas",            writable);
  SET_SENSITIVE ("filters-bump-map",                writable);
  SET_SENSITIVE ("filters-c2g",                     writable && !gray);
  SET_SENSITIVE ("filters-cartoon",                 writable);
  SET_SENSITIVE ("filters-checkerboard",            writable);
  SET_SENSITIVE ("filters-color-reduction",         writable);
  SET_SENSITIVE ("filters-color-temperature",       writable && !gray);
  SET_SENSITIVE ("filters-color-to-alpha",          writable && !gray && alpha);
  SET_SENSITIVE ("filters-cubism",                  writable);
  SET_SENSITIVE ("filters-deinterlace",             writable);
  SET_SENSITIVE ("filters-difference-of-gaussians", writable);
  SET_SENSITIVE ("filters-dropshadow",              writable && alpha);
  SET_SENSITIVE ("filters-edge-laplace",            writable);
  SET_SENSITIVE ("filters-edge-sobel",              writable);
  SET_SENSITIVE ("filters-emboss",                  writable);
  SET_SENSITIVE ("filters-exposure",                writable);
  SET_SENSITIVE ("filters-fractal-trace",           writable);
  SET_SENSITIVE ("filters-gaussian-blur",           writable);
  SET_SENSITIVE ("filters-grid",                    writable);
  SET_SENSITIVE ("filters-mono-mixer",              writable && !gray);
  SET_SENSITIVE ("filters-mosaic",                  writable);
  SET_SENSITIVE ("filters-motion-blur-circular",    writable);
  SET_SENSITIVE ("filters-motion-blur-linear",      writable);
  SET_SENSITIVE ("filters-motion-blur-zoom",        writable);
  SET_SENSITIVE ("filters-noise-cie-lch",           writable);
  SET_SENSITIVE ("filters-noise-hsv",               writable && !gray);
  SET_SENSITIVE ("filters-noise-hurl",              writable);
  SET_SENSITIVE ("filters-noise-pick",              writable);
  SET_SENSITIVE ("filters-noise-rgb",               writable);
  SET_SENSITIVE ("filters-noise-slur",              writable);
  SET_SENSITIVE ("filters-noise-spread",            writable);
  SET_SENSITIVE ("filters-lens-distortion",         writable);
  SET_SENSITIVE ("filters-photocopy",               writable);
  SET_SENSITIVE ("filters-pixelize",                writable);
  SET_SENSITIVE ("filters-plasma",                  writable);
  SET_SENSITIVE ("filters-polar-coordinates",       writable);
  SET_SENSITIVE ("filters-red-eye-removal",         writable && !gray);
  SET_SENSITIVE ("filters-ripple",                  writable);
  SET_SENSITIVE ("filters-semi-flatten",            writable && alpha);
  SET_SENSITIVE ("filters-shift",                   writable);
  SET_SENSITIVE ("filters-softglow",                writable);
  SET_SENSITIVE ("filters-stretch-contrast",        writable);
  SET_SENSITIVE ("filters-stretch-contrast-hsv",    writable);
  SET_SENSITIVE ("filters-threshold-alpha",         writable && alpha);
  SET_SENSITIVE ("filters-tile-seamless",           writable);
  SET_SENSITIVE ("filters-unsharp-mask",            writable);
  SET_SENSITIVE ("filters-vignette",                writable);
  SET_SENSITIVE ("filters-waves",                   writable);
  SET_SENSITIVE ("filters-whirl-pinch",             writable);
  SET_SENSITIVE ("filters-wind",                    writable);

#undef SET_SENSITIVE
}