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gimp/app/actions/gradient-editor-actions.c

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/* The GIMP -- an 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 2 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, write to the Free Software
* Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA.
*/
#include "config.h"
#include <gtk/gtk.h>
#include "libgimpwidgets/gimpwidgets.h"
#include "actions-types.h"
#include "core/gimp.h"
#include "core/gimpcontext.h"
#include "core/gimpdatafactory.h"
#include "core/gimpgradient.h"
#include "widgets/gimpactiongroup.h"
#include "widgets/gimpdataeditor.h"
#include "widgets/gimpgradienteditor.h"
#include "widgets/gimphelp-ids.h"
#include "gradient-editor-actions.h"
#include "gradient-editor-commands.h"
#include "gimp-intl.h"
static GimpActionEntry gradient_editor_actions[] =
{
{ "gradient-editor-popup", GIMP_STOCK_GRADIENT, N_("Gradient Editor Menu"),
NULL, NULL, NULL,
GIMP_HELP_GRADIENT_EDITOR_DIALOG },
{ "gradient-editor-load-left-color", GTK_STOCK_REVERT_TO_SAVED,
N_("_Load Left Color From") },
{ "gradient-editor-save-left-color", GTK_STOCK_SAVE,
N_("_Save Left Color To") },
{ "gradient-editor-load-right-color", GTK_STOCK_REVERT_TO_SAVED,
N_("Load Right Color Fr_om") },
{ "gradient-editor-save-right-color", GTK_STOCK_SAVE,
N_("Sa_ve Right Color To") },
{ "gradient-editor-blending-func", NULL, "blending-function" },
{ "gradient-editor-coloring-type", NULL, "coloring-type" },
{ "gradient-editor-left-color", NULL,
N_("L_eft Endpoint's Color..."), NULL, NULL,
G_CALLBACK (gradient_editor_left_color_cmd_callback),
GIMP_HELP_GRADIENT_EDITOR_LEFT_COLOR },
{ "gradient-editor-right-color", NULL,
N_("R_ight Endpoint's Color..."), NULL, NULL,
G_CALLBACK (gradient_editor_right_color_cmd_callback),
GIMP_HELP_GRADIENT_EDITOR_RIGHT_COLOR },
{ "gradient-editor-flip", GIMP_STOCK_FLIP_HORIZONTAL,
"flip", NULL, NULL,
G_CALLBACK (gradient_editor_flip_cmd_callback),
GIMP_HELP_GRADIENT_EDITOR_FLIP },
{ "gradient-editor-replicate", GIMP_STOCK_DUPLICATE,
"replicate", NULL, NULL,
G_CALLBACK (gradient_editor_replicate_cmd_callback),
GIMP_HELP_GRADIENT_EDITOR_FLIP },
{ "gradient-editor-split-midpoint", NULL,
"splitmidpoint", NULL, NULL,
G_CALLBACK (gradient_editor_split_midpoint_cmd_callback),
GIMP_HELP_GRADIENT_EDITOR_SPLIT_MIDPOINT },
{ "gradient-editor-split-uniform", NULL,
"splituniform", NULL, NULL,
G_CALLBACK (gradient_editor_split_uniformly_cmd_callback),
GIMP_HELP_GRADIENT_EDITOR_SPLIT_UNIFORM },
{ "gradient-editor-delete", GTK_STOCK_DELETE,
"delete", "", NULL,
G_CALLBACK (gradient_editor_delete_cmd_callback),
GIMP_HELP_GRADIENT_EDITOR_DELETE },
{ "gradient-editor-recenter", NULL,
"recenter", NULL, NULL,
G_CALLBACK (gradient_editor_recenter_cmd_callback),
GIMP_HELP_GRADIENT_EDITOR_RECENTER },
{ "gradient-editor-redistribute", NULL,
"redistribute", NULL, NULL,
G_CALLBACK (gradient_editor_redistribute_cmd_callback),
GIMP_HELP_GRADIENT_EDITOR_REDISTRIBUTE },
{ "gradient-editor-blend-color", NULL,
N_("Ble_nd Endpoints' Colors"), NULL, NULL,
G_CALLBACK (gradient_editor_blend_color_cmd_callback),
GIMP_HELP_GRADIENT_EDITOR_BLEND_COLOR },
{ "gradient-editor-blend-opacity", NULL,
N_("Blend Endpoints' Opacit_y"), NULL, NULL,
G_CALLBACK (gradient_editor_blend_opacity_cmd_callback),
GIMP_HELP_GRADIENT_EDITOR_BLEND_OPACITY }
};
#define LOAD_LEFT_FROM(num,magic) \
{ "gradient-editor-load-left-" num, NULL, \
num, NULL, NULL, \
(magic), \
GIMP_HELP_GRADIENT_EDITOR_LEFT_LOAD }
#define SAVE_LEFT_TO(num,magic) \
{ "gradient-editor-save-left-" num, NULL, \
num, NULL, NULL, \
(magic), \
GIMP_HELP_GRADIENT_EDITOR_LEFT_SAVE }
#define LOAD_RIGHT_FROM(num,magic) \
{ "gradient-editor-load-right-" num, NULL, \
num, NULL, NULL, \
(magic), \
GIMP_HELP_GRADIENT_EDITOR_RIGHT_LOAD }
#define SAVE_RIGHT_TO(num,magic) \
{ "gradient-editor-save-right-" num, NULL, \
num, NULL, NULL, \
(magic), \
GIMP_HELP_GRADIENT_EDITOR_RIGHT_SAVE }
static GimpEnumActionEntry gradient_editor_load_left_actions[] =
{
{ "gradient-editor-load-left-left-neighbor", NULL,
N_("_Left Neighbor's Right Endpoint"), NULL, NULL,
0,
GIMP_HELP_GRADIENT_EDITOR_LEFT_LOAD },
{ "gradient-editor-load-left-right-endpoint", NULL,
N_("_Right Endpoint"), NULL, NULL,
1,
GIMP_HELP_GRADIENT_EDITOR_LEFT_LOAD },
{ "gradient-editor-load-left-fg", NULL,
N_("_FG Color"), NULL, NULL,
2,
GIMP_HELP_GRADIENT_EDITOR_LEFT_LOAD },
{ "gradient-editor-load-left-bg", NULL,
N_("_BG Color"), NULL, NULL,
3,
GIMP_HELP_GRADIENT_EDITOR_LEFT_LOAD },
LOAD_LEFT_FROM ("01", 4),
LOAD_LEFT_FROM ("02", 5),
LOAD_LEFT_FROM ("03", 6),
LOAD_LEFT_FROM ("04", 7),
LOAD_LEFT_FROM ("05", 8),
LOAD_LEFT_FROM ("06", 9),
LOAD_LEFT_FROM ("07", 10),
LOAD_LEFT_FROM ("08", 11),
LOAD_LEFT_FROM ("09", 12),
LOAD_LEFT_FROM ("10", 13)
};
static GimpEnumActionEntry gradient_editor_save_left_actions[] =
{
SAVE_LEFT_TO ("01", 0),
SAVE_LEFT_TO ("02", 1),
SAVE_LEFT_TO ("03", 2),
SAVE_LEFT_TO ("04", 3),
SAVE_LEFT_TO ("05", 4),
SAVE_LEFT_TO ("06", 5),
SAVE_LEFT_TO ("07", 6),
SAVE_LEFT_TO ("08", 7),
SAVE_LEFT_TO ("09", 8),
SAVE_LEFT_TO ("10", 9)
};
static GimpEnumActionEntry gradient_editor_load_right_actions[] =
{
{ "gradient-editor-load-right-right-neighbor", NULL,
N_("_Right Neighbor's Left Endpoint"), NULL, NULL,
0,
GIMP_HELP_GRADIENT_EDITOR_RIGHT_LOAD },
{ "gradient-editor-load-right-left-endpoint", NULL,
N_("_Left Endpoint"), NULL, NULL,
1,
GIMP_HELP_GRADIENT_EDITOR_RIGHT_LOAD },
{ "gradient-editor-load-right-fg", NULL,
N_("_FG Color"), NULL, NULL,
2,
GIMP_HELP_GRADIENT_EDITOR_RIGHT_LOAD },
{ "gradient-editor-load-right-bg", NULL,
N_("_BG Color"), NULL, NULL,
3,
GIMP_HELP_GRADIENT_EDITOR_RIGHT_LOAD },
LOAD_RIGHT_FROM ("01", 4),
LOAD_RIGHT_FROM ("02", 5),
LOAD_RIGHT_FROM ("03", 6),
LOAD_RIGHT_FROM ("04", 7),
LOAD_RIGHT_FROM ("05", 8),
LOAD_RIGHT_FROM ("06", 9),
LOAD_RIGHT_FROM ("07", 10),
LOAD_RIGHT_FROM ("08", 11),
LOAD_RIGHT_FROM ("09", 12),
LOAD_RIGHT_FROM ("10", 13)
};
static GimpEnumActionEntry gradient_editor_save_right_actions[] =
{
SAVE_RIGHT_TO ("01", 0),
SAVE_RIGHT_TO ("02", 1),
SAVE_RIGHT_TO ("03", 2),
SAVE_RIGHT_TO ("04", 3),
SAVE_RIGHT_TO ("05", 4),
SAVE_RIGHT_TO ("06", 5),
SAVE_RIGHT_TO ("07", 6),
SAVE_RIGHT_TO ("08", 7),
SAVE_RIGHT_TO ("09", 8),
SAVE_RIGHT_TO ("10", 9)
};
#undef LOAD_LEFT_FROM
#undef SAVE_LEFT_TO
#undef LOAD_RIGHT_FROM
#undef SAVE_RIGHT_TO
static GimpRadioActionEntry gradient_editor_blending_actions[] =
{
{ "gradient-editor-blending-linear", NULL,
N_("_Linear"), NULL, NULL,
GIMP_GRADIENT_SEGMENT_LINEAR,
GIMP_HELP_GRADIENT_EDITOR_BLENDING },
{ "gradient-editor-blending-curved", NULL,
N_("_Curved"), NULL, NULL,
GIMP_GRADIENT_SEGMENT_CURVED,
GIMP_HELP_GRADIENT_EDITOR_BLENDING },
{ "gradient-editor-blending-sine", NULL,
N_("_Sinusoidal"), NULL, NULL,
GIMP_GRADIENT_SEGMENT_SINE,
GIMP_HELP_GRADIENT_EDITOR_BLENDING },
{ "gradient-editor-blending-sphere-increasing", NULL,
N_("Spherical (i_ncreasing)"), NULL, NULL,
GIMP_GRADIENT_SEGMENT_SPHERE_INCREASING,
GIMP_HELP_GRADIENT_EDITOR_BLENDING },
{ "gradient-editor-blending-sphere-decreasing", NULL,
N_("Spherical (_decreasing)"), NULL, NULL,
GIMP_GRADIENT_SEGMENT_SPHERE_DECREASING,
GIMP_HELP_GRADIENT_EDITOR_BLENDING },
{ "gradient-editor-blending-varies", NULL,
N_("(Varies)"), NULL, NULL,
0,
GIMP_HELP_GRADIENT_EDITOR_BLENDING }
};
static GimpRadioActionEntry gradient_editor_coloring_actions[] =
{
{ "gradient-editor-coloring-rgb", NULL,
N_("_RGB"), NULL, NULL,
GIMP_GRADIENT_SEGMENT_RGB,
GIMP_HELP_GRADIENT_EDITOR_COLORING },
{ "gradient-editor-coloring-hsv-ccw", NULL,
N_("HSV (_counter-clockwise hue)"), NULL, NULL,
GIMP_GRADIENT_SEGMENT_HSV_CCW,
GIMP_HELP_GRADIENT_EDITOR_COLORING },
{ "gradient-editor-coloring-hsv-cw", NULL,
N_("HSV (clockwise _hue)"), NULL, NULL,
GIMP_GRADIENT_SEGMENT_HSV_CW,
GIMP_HELP_GRADIENT_EDITOR_COLORING },
{ "gradient-editor-coloring-varies", NULL,
N_("(Varies)"), NULL, NULL,
0,
GIMP_HELP_GRADIENT_EDITOR_COLORING }
};
void
gradient_editor_actions_setup (GimpActionGroup *group)
{
gimp_action_group_add_actions (group,
gradient_editor_actions,
G_N_ELEMENTS (gradient_editor_actions));
gimp_action_group_add_enum_actions (group,
gradient_editor_load_left_actions,
G_N_ELEMENTS (gradient_editor_load_left_actions),
G_CALLBACK (gradient_editor_load_left_cmd_callback));
gimp_action_group_add_enum_actions (group,
gradient_editor_save_left_actions,
G_N_ELEMENTS (gradient_editor_save_left_actions),
G_CALLBACK (gradient_editor_save_left_cmd_callback));
gimp_action_group_add_enum_actions (group,
gradient_editor_load_right_actions,
G_N_ELEMENTS (gradient_editor_load_right_actions),
G_CALLBACK (gradient_editor_load_right_cmd_callback));
gimp_action_group_add_enum_actions (group,
gradient_editor_save_right_actions,
G_N_ELEMENTS (gradient_editor_save_right_actions),
G_CALLBACK (gradient_editor_save_right_cmd_callback));
gimp_action_group_add_radio_actions (group,
gradient_editor_blending_actions,
G_N_ELEMENTS (gradient_editor_blending_actions),
0,
G_CALLBACK (gradient_editor_blending_func_cmd_callback));
gimp_action_group_add_radio_actions (group,
gradient_editor_coloring_actions,
G_N_ELEMENTS (gradient_editor_coloring_actions),
0,
G_CALLBACK (gradient_editor_coloring_type_cmd_callback));
}
void
gradient_editor_actions_update (GimpActionGroup *group,
gpointer data)
{
GimpGradientEditor *editor;
GimpContext *context;
GimpGradientSegment *left_seg;
GimpGradientSegment *right_seg;
GimpRGB fg;
GimpRGB bg;
gboolean blending_equal = TRUE;
gboolean coloring_equal = TRUE;
gboolean selection;
gboolean delete;
editor = GIMP_GRADIENT_EDITOR (data);
context =
gimp_get_user_context (GIMP_DATA_EDITOR (editor)->data_factory->gimp);
if (editor->control_sel_l->prev)
left_seg = editor->control_sel_l->prev;
else
left_seg = gimp_gradient_segment_get_last (editor->control_sel_l);
if (editor->control_sel_r->next)
right_seg = editor->control_sel_r->next;
else
right_seg = gimp_gradient_segment_get_first (editor->control_sel_r);
if (context)
{
gimp_context_get_foreground (context, &fg);
gimp_context_get_background (context, &bg);
}
{
GimpGradientSegmentType type;
GimpGradientSegmentColor color;
GimpGradientSegment *seg, *aseg;
type = editor->control_sel_l->type;
color = editor->control_sel_l->color;
seg = editor->control_sel_l;
do
{
blending_equal = blending_equal && (seg->type == type);
coloring_equal = coloring_equal && (seg->color == color);
aseg = seg;
seg = seg->next;
}
while (aseg != editor->control_sel_r);
}
selection = (editor->control_sel_l != editor->control_sel_r);
delete = (editor->control_sel_l->prev || editor->control_sel_r->next);
#define SET_ACTIVE(action,active) \
gimp_action_group_set_action_active (group, action, (active))
#define SET_COLOR(action,color,set_label) \
gimp_action_group_set_action_color (group, action, (color), (set_label))
#define SET_LABEL(action,label) \
gimp_action_group_set_action_label (group, action, (label))
#define SET_SENSITIVE(action,condition) \
gimp_action_group_set_action_sensitive (group, action, (condition) != 0)
#define SET_VISIBLE(action,condition) \
gimp_action_group_set_action_visible (group, action, (condition) != 0)
SET_COLOR ("gradient-editor-left-color",
&editor->control_sel_l->left_color, FALSE);
SET_COLOR ("gradient-editor-load-left-left-neighbor",
&left_seg->right_color, FALSE);
SET_COLOR ("gradient-editor-load-left-right-endpoint",
&editor->control_sel_r->right_color, FALSE);
SET_COLOR ("gradient-editor-load-left-fg", context ? &fg : NULL, FALSE);
SET_COLOR ("gradient-editor-load-left-bg", context ? &bg : NULL, FALSE);
SET_COLOR ("gradient-editor-load-left-01", &editor->saved_colors[0], TRUE);
SET_COLOR ("gradient-editor-load-left-02", &editor->saved_colors[1], TRUE);
SET_COLOR ("gradient-editor-load-left-03", &editor->saved_colors[2], TRUE);
SET_COLOR ("gradient-editor-load-left-04", &editor->saved_colors[3], TRUE);
SET_COLOR ("gradient-editor-load-left-05", &editor->saved_colors[4], TRUE);
SET_COLOR ("gradient-editor-load-left-06", &editor->saved_colors[5], TRUE);
SET_COLOR ("gradient-editor-load-left-07", &editor->saved_colors[6], TRUE);
SET_COLOR ("gradient-editor-load-left-08", &editor->saved_colors[7], TRUE);
SET_COLOR ("gradient-editor-load-left-09", &editor->saved_colors[8], TRUE);
SET_COLOR ("gradient-editor-load-left-10", &editor->saved_colors[9], TRUE);
SET_COLOR ("gradient-editor-save-left-01", &editor->saved_colors[0], TRUE);
SET_COLOR ("gradient-editor-save-left-02", &editor->saved_colors[1], TRUE);
SET_COLOR ("gradient-editor-save-left-03", &editor->saved_colors[2], TRUE);
SET_COLOR ("gradient-editor-save-left-04", &editor->saved_colors[3], TRUE);
SET_COLOR ("gradient-editor-save-left-05", &editor->saved_colors[4], TRUE);
SET_COLOR ("gradient-editor-save-left-06", &editor->saved_colors[5], TRUE);
SET_COLOR ("gradient-editor-save-left-07", &editor->saved_colors[6], TRUE);
SET_COLOR ("gradient-editor-save-left-08", &editor->saved_colors[7], TRUE);
SET_COLOR ("gradient-editor-save-left-09", &editor->saved_colors[8], TRUE);
SET_COLOR ("gradient-editor-save-left-10", &editor->saved_colors[9], TRUE);
SET_COLOR ("gradient-editor-right-color",
&editor->control_sel_r->right_color, FALSE);
SET_COLOR ("gradient-editor-load-right-right-neighbor",
&right_seg->left_color, FALSE);
SET_COLOR ("gradient-editor-load-right-left-endpoint",
&editor->control_sel_l->left_color, FALSE);
SET_COLOR ("gradient-editor-load-right-fg", context ? &fg : NULL, FALSE);
SET_COLOR ("gradient-editor-load-right-bg", context ? &bg : NULL, FALSE);
SET_COLOR ("gradient-editor-load-right-01", &editor->saved_colors[0], TRUE);
SET_COLOR ("gradient-editor-load-right-02", &editor->saved_colors[1], TRUE);
SET_COLOR ("gradient-editor-load-right-03", &editor->saved_colors[2], TRUE);
SET_COLOR ("gradient-editor-load-right-04", &editor->saved_colors[3], TRUE);
SET_COLOR ("gradient-editor-load-right-05", &editor->saved_colors[4], TRUE);
SET_COLOR ("gradient-editor-load-right-06", &editor->saved_colors[5], TRUE);
SET_COLOR ("gradient-editor-load-right-07", &editor->saved_colors[6], TRUE);
SET_COLOR ("gradient-editor-load-right-08", &editor->saved_colors[7], TRUE);
SET_COLOR ("gradient-editor-load-right-09", &editor->saved_colors[8], TRUE);
SET_COLOR ("gradient-editor-load-right-10", &editor->saved_colors[9], TRUE);
SET_COLOR ("gradient-editor-save-right-01", &editor->saved_colors[0], TRUE);
SET_COLOR ("gradient-editor-save-right-02", &editor->saved_colors[1], TRUE);
SET_COLOR ("gradient-editor-save-right-03", &editor->saved_colors[2], TRUE);
SET_COLOR ("gradient-editor-save-right-04", &editor->saved_colors[3], TRUE);
SET_COLOR ("gradient-editor-save-right-05", &editor->saved_colors[4], TRUE);
SET_COLOR ("gradient-editor-save-right-06", &editor->saved_colors[5], TRUE);
SET_COLOR ("gradient-editor-save-right-07", &editor->saved_colors[6], TRUE);
SET_COLOR ("gradient-editor-save-right-08", &editor->saved_colors[7], TRUE);
SET_COLOR ("gradient-editor-save-right-09", &editor->saved_colors[8], TRUE);
SET_COLOR ("gradient-editor-save-right-10", &editor->saved_colors[9], TRUE);
if (! selection)
{
SET_LABEL ("gradient-editor-blending-func",
_("_Blending Function for Segment"));
SET_LABEL ("gradient-editor-coloring-type",
_("Coloring _Type for Segment"));
SET_LABEL ("gradient-editor-flip",
_("_Flip Segment"));
SET_LABEL ("gradient-editor-replicate",
_("_Replicate Segment..."));
SET_LABEL ("gradient-editor-split-midpoint",
_("Split Segment at _Midpoint"));
SET_LABEL ("gradient-editor-split-uniform",
_("Split Segment _Uniformly..."));
SET_LABEL ("gradient-editor-delete",
_("_Delete Segment"));
SET_LABEL ("gradient-editor-recenter",
_("Re-_center Segment's Midpoint"));
SET_LABEL ("gradient-editor-redistribute",
_("Re-distribute _Handles in Segment"));
}
else
{
SET_LABEL ("gradient-editor-blending-func",
_("_Blending Function for Selection"));
SET_LABEL ("gradient-editor-coloring-type",
_("Coloring _Type for Selection"));
SET_LABEL ("gradient-editor-flip",
_("_Flip Selection"));
SET_LABEL ("gradient-editor-replicate",
_("_Replicate Selection..."));
SET_LABEL ("gradient-editor-split-midpoint",
_("Split Segments at _Midpoints"));
SET_LABEL ("gradient-editor-split-uniform",
_("Split Segments _Uniformly..."));
SET_LABEL ("gradient-editor-delete",
_("_Delete Selection"));
SET_LABEL ("gradient-editor-recenter",
_("Re-_center Midpoints in Selection"));
SET_LABEL ("gradient-editor-redistribute",
_("Re-distribute _Handles in Selection"));
}
SET_SENSITIVE ("gradient-editor-blending-varies", FALSE);
SET_SENSITIVE ("gradient-editor-coloring-varies", FALSE);
SET_VISIBLE ("gradient-editor-blending-varies", ! blending_equal);
if (blending_equal)
{
switch (editor->control_sel_l->type)
{
case GIMP_GRADIENT_SEGMENT_LINEAR:
SET_ACTIVE ("gradient-editor-blending-linear", TRUE);
break;
case GIMP_GRADIENT_SEGMENT_CURVED:
SET_ACTIVE ("gradient-editor-blending-curved", TRUE);
break;
case GIMP_GRADIENT_SEGMENT_SINE:
SET_ACTIVE ("gradient-editor-blending-sine", TRUE);
break;
case GIMP_GRADIENT_SEGMENT_SPHERE_INCREASING:
SET_ACTIVE ("gradient-editor-blending-sphere-increasing", TRUE);
break;
case GIMP_GRADIENT_SEGMENT_SPHERE_DECREASING:
SET_ACTIVE ("gradient-editor-blending-sphere-decreasing", TRUE);
break;
}
}
else
{
SET_ACTIVE ("gradient-editor-blending-varies", TRUE);
}
SET_VISIBLE ("gradient-editor-coloring-varies", ! coloring_equal);
if (coloring_equal)
{
switch (editor->control_sel_l->color)
{
case GIMP_GRADIENT_SEGMENT_RGB:
SET_ACTIVE ("gradient-editor-coloring-rgb", TRUE);
break;
case GIMP_GRADIENT_SEGMENT_HSV_CCW:
SET_ACTIVE ("gradient-editor-coloring-hsv-ccw", TRUE);
break;
case GIMP_GRADIENT_SEGMENT_HSV_CW:
SET_ACTIVE ("gradient-editor-coloring-hsv-cw", TRUE);
break;
}
}
else
{
SET_ACTIVE ("gradient-editor-coloring-varies", TRUE);
}
SET_SENSITIVE ("gradient-editor-blend-color", selection);
SET_SENSITIVE ("gradient-editor-blend-opacity", selection);
SET_SENSITIVE ("gradient-editor-delete", delete);
#undef SET_ACTIVE
#undef SET_COLOR
#undef SET_LABEL
#undef SET_SENSITIVE
#undef SET_VISIBLE
}
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