PIKApp/app/actions/colormap-actions.c

189 lines
6.8 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/>.
*/
#include "config.h"
#include <gegl.h>
#include <gtk/gtk.h>
#include "libpikawidgets/pikawidgets.h"
#include "actions-types.h"
#include "core/pikacontext.h"
#include "core/pikadrawable.h"
#include "core/pikaimage.h"
#include "core/pikaimage-colormap.h"
#include "widgets/pikaactiongroup.h"
#include "widgets/pikacolormapeditor.h"
#include "widgets/pikahelp-ids.h"
#include "actions.h"
#include "colormap-actions.h"
#include "colormap-commands.h"
#include "pika-intl.h"
static const PikaActionEntry colormap_actions[] =
{
{ "colormap-edit-color", PIKA_ICON_EDIT,
NC_("colormap-action", "_Edit Color..."), NULL, { NULL },
NC_("colormap-action", "Edit this color"),
colormap_edit_color_cmd_callback,
PIKA_HELP_INDEXED_PALETTE_EDIT },
{ "colormap-delete-color", PIKA_ICON_EDIT_DELETE,
NC_("colormap-action", "_Delete Color..."), NULL, { NULL },
NC_("colormap-action", "Delete this color"),
colormap_delete_color_cmd_callback,
PIKA_HELP_INDEXED_PALETTE_EDIT }
};
static const PikaEnumActionEntry colormap_add_color_actions[] =
{
{ "colormap-add-color-from-fg", PIKA_ICON_LIST_ADD,
NC_("colormap-action", "_Add Color from FG"), NULL, { NULL },
NC_("colormap-action", "Add current foreground color"),
FALSE, FALSE,
PIKA_HELP_INDEXED_PALETTE_ADD },
{ "colormap-add-color-from-bg", PIKA_ICON_LIST_ADD,
NC_("colormap-action", "_Add Color from BG"), NULL, { NULL },
NC_("colormap-action", "Add current background color"),
TRUE, FALSE,
PIKA_HELP_INDEXED_PALETTE_ADD }
};
static const PikaEnumActionEntry colormap_to_selection_actions[] =
{
{ "colormap-selection-replace", PIKA_ICON_SELECTION_REPLACE,
NC_("colormap-action", "_Select this Color"), NULL, { NULL },
NC_("colormap-action", "Select all pixels with this color"),
PIKA_CHANNEL_OP_REPLACE, FALSE,
PIKA_HELP_INDEXED_PALETTE_SELECTION_REPLACE },
{ "colormap-selection-add", PIKA_ICON_SELECTION_ADD,
NC_("colormap-action", "_Add to Selection"), NULL, { NULL },
NC_("colormap-action", "Add all pixels with this color to the current selection"),
PIKA_CHANNEL_OP_ADD, FALSE,
PIKA_HELP_INDEXED_PALETTE_SELECTION_ADD },
{ "colormap-selection-subtract", PIKA_ICON_SELECTION_SUBTRACT,
NC_("colormap-action", "_Subtract from Selection"), NULL, { NULL },
NC_("colormap-action", "Subtract all pixels with this color from the current selection"),
PIKA_CHANNEL_OP_SUBTRACT, FALSE,
PIKA_HELP_INDEXED_PALETTE_SELECTION_SUBTRACT },
{ "colormap-selection-intersect", PIKA_ICON_SELECTION_INTERSECT,
NC_("colormap-action", "_Intersect with Selection"), NULL, { NULL },
NC_("colormap-action", "Intersect all pixels with this color with the current selection"),
PIKA_CHANNEL_OP_INTERSECT, FALSE,
PIKA_HELP_INDEXED_PALETTE_SELECTION_INTERSECT }
};
void
colormap_actions_setup (PikaActionGroup *group)
{
pika_action_group_add_actions (group, "colormap-action",
colormap_actions,
G_N_ELEMENTS (colormap_actions));
pika_action_group_add_enum_actions (group, "colormap-action",
colormap_add_color_actions,
G_N_ELEMENTS (colormap_add_color_actions),
colormap_add_color_cmd_callback);
pika_action_group_add_enum_actions (group, "colormap-action",
colormap_to_selection_actions,
G_N_ELEMENTS (colormap_to_selection_actions),
colormap_to_selection_cmd_callback);
}
void
colormap_actions_update (PikaActionGroup *group,
gpointer data)
{
PikaColormapEditor *editor = PIKA_COLORMAP_EDITOR (data);
PikaImage *image = action_data_get_image (data);
PikaContext *context = action_data_get_context (data);
gboolean indexed = FALSE;
gboolean drawable_indexed = FALSE;
gint num_colors = 0;
PikaRGB fg;
PikaRGB bg;
if (image)
{
indexed = (pika_image_get_base_type (image) == PIKA_INDEXED);
if (indexed)
{
GList *drawables = pika_image_get_selected_drawables (image);
num_colors = pika_image_get_colormap_size (image);
if (g_list_length (drawables) == 1)
drawable_indexed = pika_drawable_is_indexed (drawables->data);
g_list_free (drawables);
}
}
if (context)
{
pika_context_get_foreground (context, &fg);
pika_context_get_background (context, &bg);
}
#define SET_SENSITIVE(action,condition) \
pika_action_group_set_action_sensitive (group, action, (condition) != 0, NULL)
#define SET_COLOR(action,color) \
pika_action_group_set_action_color (group, action, color, FALSE);
SET_SENSITIVE ("colormap-edit-color",
indexed && num_colors > 0);
SET_SENSITIVE ("colormap-delete-color",
indexed && num_colors > 0 &&
pika_colormap_editor_is_color_deletable (editor));
SET_SENSITIVE ("colormap-add-color-from-fg",
indexed && num_colors < 256);
SET_SENSITIVE ("colormap-add-color-from-bg",
indexed && num_colors < 256);
SET_COLOR ("colormap-add-color-from-fg", context ? &fg : NULL);
SET_COLOR ("colormap-add-color-from-bg", context ? &bg : NULL);
SET_SENSITIVE ("colormap-selection-replace",
drawable_indexed && num_colors > 0);
SET_SENSITIVE ("colormap-selection-add",
drawable_indexed && num_colors > 0);
SET_SENSITIVE ("colormap-selection-subtract",
drawable_indexed && num_colors > 0);
SET_SENSITIVE ("colormap-selection-intersect",
drawable_indexed && num_colors > 0);
#undef SET_SENSITIVE
#undef SET_COLOR
}