/usr/include/gimp-2.0/libgimpwidgets/gimpwidgets.h is in libgimp2.0-dev 2.8.10-0ubuntu1.
This file is owned by root:root, with mode 0o644.
The actual contents of the file can be viewed below.
| 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 37 38 39 40 41 42 43 44 45 46 47 48 49 50 51 52 53 54 55 56 57 58 59 60 61 62 63 64 65 66 67 68 69 70 71 72 73 74 75 76 77 78 79 80 81 82 83 84 85 86 87 88 89 90 91 92 93 94 95 96 97 98 99 100 101 102 103 104 105 106 107 108 109 110 111 112 113 114 115 116 117 118 119 120 121 122 123 124 125 126 127 128 129 130 131 132 133 134 135 136 137 138 139 140 141 142 143 144 145 146 147 148 149 150 151 152 153 154 155 156 157 158 159 160 161 162 163 164 165 166 167 168 169 170 171 172 173 174 175 176 177 178 179 180 181 182 183 184 185 186 187 188 189 190 191 192 193 194 195 196 197 198 199 200 201 202 203 204 205 206 207 208 209 210 211 212 213 214 215 216 217 218 219 220 221 222 223 224 225 226 227 228 229 230 231 232 233 234 235 236 237 238 239 240 241 242 243 244 245 246 247 248 249 250 251 252 253 254 255 256 257 258 259 260 261 262 263 264 265 266 267 268 269 | /* LIBGIMP - The GIMP Library
 * Copyright (C) 1995-1997 Peter Mattis and Spencer Kimball
 *
 * gimpwidgets.h
 * Copyright (C) 2000 Michael Natterer <mitch@gimp.org>
 *
 * This library is free software: you can redistribute it and/or
 * modify it under the terms of the GNU Lesser General Public
 * License as published by the Free Software Foundation; either
 * version 3 of the License, or (at your option) any later version.
 *
 * This library 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
 * Lesser General Public License for more details.
 *
 * You should have received a copy of the GNU Lesser General Public
 * License along with this library.  If not, see
 * <http://www.gnu.org/licenses/>.
 */
#ifndef __GIMP_WIDGETS_H__
#define __GIMP_WIDGETS_H__
#define __GIMP_WIDGETS_H_INSIDE__
#include <libgimpwidgets/gimpwidgetstypes.h>
#include <libgimpwidgets/gimpbrowser.h>
#include <libgimpwidgets/gimpbutton.h>
#include <libgimpwidgets/gimpcairo-utils.h>
#include <libgimpwidgets/gimpcellrenderercolor.h>
#include <libgimpwidgets/gimpcellrenderertoggle.h>
#include <libgimpwidgets/gimpchainbutton.h>
#include <libgimpwidgets/gimpcolorarea.h>
#include <libgimpwidgets/gimpcolorbutton.h>
#include <libgimpwidgets/gimpcolordisplay.h>
#include <libgimpwidgets/gimpcolordisplaystack.h>
#include <libgimpwidgets/gimpcolorhexentry.h>
#include <libgimpwidgets/gimpcolornotebook.h>
#include <libgimpwidgets/gimpcolorprofilecombobox.h>
#include <libgimpwidgets/gimpcolorprofilestore.h>
#include <libgimpwidgets/gimpcolorscale.h>
#include <libgimpwidgets/gimpcolorscales.h>
#include <libgimpwidgets/gimpcolorselector.h>
#include <libgimpwidgets/gimpcolorselect.h>
#include <libgimpwidgets/gimpcolorselection.h>
#include <libgimpwidgets/gimpdialog.h>
#include <libgimpwidgets/gimpenumcombobox.h>
#include <libgimpwidgets/gimpenumlabel.h>
#include <libgimpwidgets/gimpenumstore.h>
#include <libgimpwidgets/gimpenumwidgets.h>
#include <libgimpwidgets/gimpfileentry.h>
#include <libgimpwidgets/gimpframe.h>
#include <libgimpwidgets/gimphelpui.h>
#include <libgimpwidgets/gimphintbox.h>
#include <libgimpwidgets/gimpintcombobox.h>
#include <libgimpwidgets/gimpintstore.h>
#include <libgimpwidgets/gimpmemsizeentry.h>
#include <libgimpwidgets/gimpnumberpairentry.h>
#include <libgimpwidgets/gimpoffsetarea.h>
#include <libgimpwidgets/gimppageselector.h>
#include <libgimpwidgets/gimppatheditor.h>
#include <libgimpwidgets/gimppickbutton.h>
#include <libgimpwidgets/gimppixmap.h>
#include <libgimpwidgets/gimppreview.h>
#include <libgimpwidgets/gimppreviewarea.h>
#include <libgimpwidgets/gimppropwidgets.h>
#include <libgimpwidgets/gimpquerybox.h>
#include <libgimpwidgets/gimpruler.h>
#include <libgimpwidgets/gimpscaleentry.h>
#include <libgimpwidgets/gimpscrolledpreview.h>
#include <libgimpwidgets/gimpsizeentry.h>
#include <libgimpwidgets/gimpstock.h>
#include <libgimpwidgets/gimpstringcombobox.h>
#include <libgimpwidgets/gimpunitcombobox.h>
#include <libgimpwidgets/gimpunitmenu.h>
#include <libgimpwidgets/gimpunitstore.h>
#include <libgimpwidgets/gimpwidgets-error.h>
#include <libgimpwidgets/gimpzoommodel.h>
#include <libgimpwidgets/gimp3migration.h>
#include <libgimpwidgets/gimpoldwidgets.h>
#undef __GIMP_WIDGETS_H_INSIDE__
G_BEGIN_DECLS
/* For information look into the C source or the html documentation */
/*
 *  Widget Constructors
 */
GtkWidget * gimp_int_radio_group_new (gboolean          in_frame,
                                      const gchar      *frame_title,
                                      GCallback         radio_button_callback,
                                      gpointer          radio_button_callback_data,
                                      gint              initial, /* item_data */
                                      /* specify radio buttons as va_list:
                                       *  const gchar  *label,
                                       *  gint          item_data,
                                       *  GtkWidget   **widget_ptr,
                                       */
                                      ...) G_GNUC_NULL_TERMINATED;
void        gimp_int_radio_group_set_active (GtkRadioButton *radio_button,
                                             gint            item_data);
GtkWidget * gimp_radio_group_new   (gboolean            in_frame,
                                    const gchar        *frame_title,
                                    /* specify radio buttons as va_list:
                                     *  const gchar    *label,
                                     *  GCallback       callback,
                                     *  gpointer        callback_data,
                                     *  gpointer        item_data,
                                     *  GtkWidget     **widget_ptr,
                                     *  gboolean        active,
                                     */
                                    ...) G_GNUC_NULL_TERMINATED;
GtkWidget * gimp_radio_group_new2  (gboolean            in_frame,
                                    const gchar        *frame_title,
                                    GCallback           radio_button_callback,
                                    gpointer            radio_button_callback_data,
                                    gpointer            initial, /* item_data */
                                    /* specify radio buttons as va_list:
                                     *  const gchar    *label,
                                     *  gpointer        item_data,
                                     *  GtkWidget     **widget_ptr,
                                     */
                                    ...) G_GNUC_NULL_TERMINATED;
void   gimp_radio_group_set_active (GtkRadioButton     *radio_button,
                                    gpointer            item_data);
GtkWidget * gimp_spin_button_new   (/* return value: */
                                    GtkObject         **adjustment,
                                    gdouble             value,
                                    gdouble             lower,
                                    gdouble             upper,
                                    gdouble             step_increment,
                                    gdouble             page_increment,
                                    gdouble             page_size,
                                    gdouble             climb_rate,
                                    guint               digits);
/**
 * GIMP_RANDOM_SEED_SPINBUTTON:
 * @hbox: The #GtkHBox returned by gimp_random_seed_new().
 *
 * Returns: the random_seed's #GtkSpinButton.
 **/
#define GIMP_RANDOM_SEED_SPINBUTTON(hbox) \
        (g_object_get_data (G_OBJECT (hbox), "spinbutton"))
/**
 * GIMP_RANDOM_SEED_SPINBUTTON_ADJ:
 * @hbox: The #GtkHBox returned by gimp_random_seed_new().
 *
 * Returns: the #GtkAdjustment of the random_seed's #GtkSpinButton.
 **/
#define GIMP_RANDOM_SEED_SPINBUTTON_ADJ(hbox)       \
        gtk_spin_button_get_adjustment \
        (GTK_SPIN_BUTTON (g_object_get_data (G_OBJECT (hbox), "spinbutton")))
/**
 * GIMP_RANDOM_SEED_TOGGLE:
 * @hbox: The #GtkHBox returned by gimp_random_seed_new().
 *
 * Returns: the random_seed's #GtkToggleButton.
 **/
#define GIMP_RANDOM_SEED_TOGGLE(hbox) \
        (g_object_get_data (G_OBJECT(hbox), "toggle"))
GtkWidget * gimp_random_seed_new   (guint32            *seed,
                                    gboolean           *random_seed);
/**
 * GIMP_COORDINATES_CHAINBUTTON:
 * @sizeentry: The #GimpSizeEntry returned by gimp_coordinates_new().
 *
 * Returns: the #GimpChainButton which is attached to the
 *          #GimpSizeEntry.
 **/
#define GIMP_COORDINATES_CHAINBUTTON(sizeentry) \
        (g_object_get_data (G_OBJECT (sizeentry), "chainbutton"))
GtkWidget * gimp_coordinates_new   (GimpUnit            unit,
                                    const gchar        *unit_format,
                                    gboolean            menu_show_pixels,
                                    gboolean            menu_show_percent,
                                    gint                spinbutton_width,
                                    GimpSizeEntryUpdatePolicy  update_policy,
                                    gboolean            chainbutton_active,
                                    gboolean            chain_constrains_ratio,
                                    const gchar        *xlabel,
                                    gdouble             x,
                                    gdouble             xres,
                                    gdouble             lower_boundary_x,
                                    gdouble             upper_boundary_x,
                                    gdouble             xsize_0,   /* % */
                                    gdouble             xsize_100, /* % */
                                    const gchar        *ylabel,
                                    gdouble             y,
                                    gdouble             yres,
                                    gdouble             lower_boundary_y,
                                    gdouble             upper_boundary_y,
                                    gdouble             ysize_0,   /* % */
                                    gdouble             ysize_100  /* % */);
/*
 *  Standard Callbacks
 */
void gimp_toggle_button_update           (GtkWidget       *widget,
                                          gpointer         data);
void gimp_radio_button_update            (GtkWidget       *widget,
                                          gpointer         data);
void gimp_int_adjustment_update          (GtkAdjustment   *adjustment,
                                          gpointer         data);
void gimp_uint_adjustment_update         (GtkAdjustment   *adjustment,
                                          gpointer         data);
void gimp_float_adjustment_update        (GtkAdjustment   *adjustment,
                                          gpointer         data);
void gimp_double_adjustment_update       (GtkAdjustment   *adjustment,
                                          gpointer         data);
/*
 *  Helper Functions
 */
GtkWidget * gimp_table_attach_aligned    (GtkTable        *table,
                                          gint             column,
                                          gint             row,
                                          const gchar     *label_text,
                                          gfloat           xalign,
                                          gfloat           yalign,
                                          GtkWidget       *widget,
                                          gint             colspan,
                                          gboolean         left_align);
void        gimp_label_set_attributes    (GtkLabel        *label,
                                          ...);
G_END_DECLS
#endif /* __GIMP_WIDGETS_H__ */
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