mirror of https://github.com/GNOME/gimp.git
389 lines
13 KiB
C
389 lines
13 KiB
C
/* GIMP - The GNU Image Manipulation Program
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* Copyright (C) 1995 Spencer Kimball and Peter Mattis
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*
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* color_dialog module (C) 1998 Austin Donnelly <austin@greenend.org.uk>
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*
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* This program is free software: you can redistribute it and/or modify
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* it under the terms of the GNU General Public License as published by
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* the Free Software Foundation; either version 3 of the License, or
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* (at your option) any later version.
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*
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* This program is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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* GNU General Public License for more details.
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*
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* You should have received a copy of the GNU General Public License
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* along with this program. If not, see <http://www.gnu.org/licenses/>.
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*/
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#include "config.h"
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#include <gegl.h>
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#include <gtk/gtk.h>
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#include "libgimpcolor/gimpcolor.h"
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#include "libgimpwidgets/gimpwidgets.h"
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#include "widgets-types.h"
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#include "config/gimpcoreconfig.h"
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#include "core/gimp.h"
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#include "core/gimp-palettes.h"
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#include "core/gimpcontext.h"
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#include "core/gimpmarshal.h"
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#include "core/gimppalettemru.h"
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#include "gimpcolordialog.h"
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#include "gimpcolorhistory.h"
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#include "gimpdialogfactory.h"
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#include "gimphelp-ids.h"
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#include "gimpwidgets-utils.h"
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#include "gimp-intl.h"
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#define RESPONSE_RESET 1
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#define COLOR_AREA_SIZE 20
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enum
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{
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UPDATE,
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LAST_SIGNAL
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};
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static void gimp_color_dialog_constructed (GObject *object);
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static void gimp_color_dialog_response (GtkDialog *dialog,
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gint response_id);
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static void gimp_color_dialog_help_func (const gchar *help_id,
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gpointer help_data);
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static void gimp_color_dialog_color_changed (GimpColorSelection *selection,
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GimpColorDialog *dialog);
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static void gimp_color_history_add_clicked (GtkWidget *widget,
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GimpColorDialog *dialog);
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static void gimp_color_dialog_history_selected (GimpColorHistory *history,
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const GimpRGB *rgb,
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GimpColorDialog *dialog);
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G_DEFINE_TYPE (GimpColorDialog, gimp_color_dialog, GIMP_TYPE_VIEWABLE_DIALOG)
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#define parent_class gimp_color_dialog_parent_class
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static guint color_dialog_signals[LAST_SIGNAL] = { 0, };
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static void
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gimp_color_dialog_class_init (GimpColorDialogClass *klass)
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{
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GObjectClass *object_class = G_OBJECT_CLASS (klass);
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GtkDialogClass *dialog_class = GTK_DIALOG_CLASS (klass);
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object_class->constructed = gimp_color_dialog_constructed;
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dialog_class->response = gimp_color_dialog_response;
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color_dialog_signals[UPDATE] =
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g_signal_new ("update",
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G_TYPE_FROM_CLASS (klass),
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G_SIGNAL_RUN_LAST,
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G_STRUCT_OFFSET (GimpColorDialogClass, update),
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NULL, NULL,
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gimp_marshal_VOID__BOXED_ENUM,
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G_TYPE_NONE, 2,
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GIMP_TYPE_RGB,
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GIMP_TYPE_COLOR_DIALOG_STATE);
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}
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static void
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gimp_color_dialog_init (GimpColorDialog *dialog)
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{
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gtk_dialog_add_buttons (GTK_DIALOG (dialog),
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_("_Reset"), RESPONSE_RESET,
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_("_Cancel"), GTK_RESPONSE_CANCEL,
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_("_OK"), GTK_RESPONSE_OK,
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NULL);
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gtk_dialog_set_default_response (GTK_DIALOG (dialog), GTK_RESPONSE_OK);
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gtk_dialog_set_alternative_button_order (GTK_DIALOG (dialog),
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RESPONSE_RESET,
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GTK_RESPONSE_OK,
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GTK_RESPONSE_CANCEL,
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-1);
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dialog->selection = gimp_color_selection_new ();
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gtk_container_set_border_width (GTK_CONTAINER (dialog->selection), 12);
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gtk_box_pack_start (GTK_BOX (gtk_dialog_get_content_area (GTK_DIALOG (dialog))),
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dialog->selection, TRUE, TRUE, 0);
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gtk_widget_show (dialog->selection);
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g_signal_connect (dialog->selection, "color-changed",
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G_CALLBACK (gimp_color_dialog_color_changed),
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dialog);
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}
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static void
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gimp_color_dialog_constructed (GObject *object)
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{
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GimpColorDialog *dialog = GIMP_COLOR_DIALOG (object);
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GimpViewableDialog *viewable_dialog = GIMP_VIEWABLE_DIALOG (object);
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GtkWidget *hbox;
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GtkWidget *history;
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GtkWidget *button;
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GtkWidget *arrow;
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G_OBJECT_CLASS (parent_class)->constructed (object);
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/* Color history box. */
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hbox = gtk_box_new (GTK_ORIENTATION_HORIZONTAL, 4);
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gtk_box_pack_end (GTK_BOX (GIMP_COLOR_SELECTION (dialog->selection)->right_vbox),
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hbox, FALSE, FALSE, 0);
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gtk_widget_show (hbox);
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/* Button for adding to color history. */
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button = gtk_button_new ();
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gtk_box_pack_start (GTK_BOX (hbox), GTK_WIDGET (button), FALSE, FALSE, 0);
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gimp_help_set_help_data (button,
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_("Add the current color to the color history"),
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NULL);
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gtk_widget_show (button);
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g_signal_connect (button, "clicked",
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G_CALLBACK (gimp_color_history_add_clicked),
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dialog);
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arrow = gtk_arrow_new (GTK_ARROW_RIGHT, GTK_SHADOW_OUT);
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gtk_container_add (GTK_CONTAINER (button), arrow);
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gtk_widget_show (arrow);
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/* Color history table. */
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history = gimp_color_history_new (viewable_dialog->context, 12);
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gtk_box_pack_start (GTK_BOX (hbox), GTK_WIDGET (history), TRUE, TRUE, 0);
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gtk_widget_show (GTK_WIDGET (history));
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g_signal_connect (history, "color-selected",
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G_CALLBACK (gimp_color_dialog_history_selected),
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dialog);
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}
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static void
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gimp_color_dialog_response (GtkDialog *gtk_dialog,
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gint response_id)
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{
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GimpColorDialog *dialog = GIMP_COLOR_DIALOG (gtk_dialog);
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GimpRGB color;
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switch (response_id)
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{
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case RESPONSE_RESET:
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gimp_color_selection_reset (GIMP_COLOR_SELECTION (dialog->selection));
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break;
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case GTK_RESPONSE_OK:
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gimp_color_selection_get_color (GIMP_COLOR_SELECTION (dialog->selection),
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&color);
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g_signal_emit (dialog, color_dialog_signals[UPDATE], 0,
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&color, GIMP_COLOR_DIALOG_OK);
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break;
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default:
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gimp_color_selection_get_old_color (GIMP_COLOR_SELECTION (dialog->selection),
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&color);
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g_signal_emit (dialog, color_dialog_signals[UPDATE], 0,
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&color, GIMP_COLOR_DIALOG_CANCEL);
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break;
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}
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}
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/* public functions */
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GtkWidget *
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gimp_color_dialog_new (GimpViewable *viewable,
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GimpContext *context,
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const gchar *title,
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const gchar *icon_name,
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const gchar *desc,
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GtkWidget *parent,
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GimpDialogFactory *dialog_factory,
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const gchar *dialog_identifier,
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const GimpRGB *color,
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gboolean wants_updates,
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gboolean show_alpha)
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{
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GimpColorDialog *dialog;
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const gchar *role;
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g_return_val_if_fail (viewable == NULL || GIMP_IS_VIEWABLE (viewable), NULL);
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g_return_val_if_fail (GIMP_IS_CONTEXT (context), NULL);
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g_return_val_if_fail (GTK_IS_WIDGET (parent), NULL);
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g_return_val_if_fail (dialog_factory == NULL ||
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GIMP_IS_DIALOG_FACTORY (dialog_factory), NULL);
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g_return_val_if_fail (dialog_factory == NULL || dialog_identifier != NULL,
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NULL);
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g_return_val_if_fail (color != NULL, NULL);
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role = dialog_identifier ? dialog_identifier : "gimp-color-selector";
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dialog = g_object_new (GIMP_TYPE_COLOR_DIALOG,
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"title", title,
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"role", role,
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"help-func", gimp_color_dialog_help_func,
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"help-id", GIMP_HELP_COLOR_DIALOG,
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"icon-name", icon_name,
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"description", desc,
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"context", context,
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"parent", parent,
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NULL);
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if (viewable)
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{
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gimp_viewable_dialog_set_viewable (GIMP_VIEWABLE_DIALOG (dialog),
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viewable, context);
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}
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else
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{
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GtkWidget *parent;
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parent = gtk_widget_get_parent (GIMP_VIEWABLE_DIALOG (dialog)->icon);
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parent = gtk_widget_get_parent (parent);
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gtk_widget_hide (parent);
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}
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dialog->wants_updates = wants_updates;
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if (dialog_factory)
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{
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gimp_dialog_factory_add_foreign (dialog_factory, dialog_identifier,
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GTK_WIDGET (dialog),
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gtk_widget_get_screen (parent),
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gimp_widget_get_monitor (parent));
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}
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gimp_color_selection_set_show_alpha (GIMP_COLOR_SELECTION (dialog->selection),
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show_alpha);
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g_object_set_data (G_OBJECT (context->gimp->config->color_management),
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"gimp-context", context);
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gimp_color_selection_set_config (GIMP_COLOR_SELECTION (dialog->selection),
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context->gimp->config->color_management);
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g_object_set_data (G_OBJECT (context->gimp->config->color_management),
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"gimp-context", NULL);
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gimp_color_selection_set_color (GIMP_COLOR_SELECTION (dialog->selection),
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color);
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gimp_color_selection_set_old_color (GIMP_COLOR_SELECTION (dialog->selection),
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color);
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return GTK_WIDGET (dialog);
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}
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void
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gimp_color_dialog_set_color (GimpColorDialog *dialog,
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const GimpRGB *color)
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{
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g_return_if_fail (GIMP_IS_COLOR_DIALOG (dialog));
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g_return_if_fail (color != NULL);
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g_signal_handlers_block_by_func (dialog->selection,
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gimp_color_dialog_color_changed,
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dialog);
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gimp_color_selection_set_color (GIMP_COLOR_SELECTION (dialog->selection),
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color);
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gimp_color_selection_set_old_color (GIMP_COLOR_SELECTION (dialog->selection),
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color);
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g_signal_handlers_unblock_by_func (dialog->selection,
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gimp_color_dialog_color_changed,
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dialog);
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}
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void
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gimp_color_dialog_get_color (GimpColorDialog *dialog,
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GimpRGB *color)
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{
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g_return_if_fail (GIMP_IS_COLOR_DIALOG (dialog));
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g_return_if_fail (color != NULL);
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gimp_color_selection_get_color (GIMP_COLOR_SELECTION (dialog->selection),
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color);
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}
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/* private functions */
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static void
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gimp_color_dialog_help_func (const gchar *help_id,
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gpointer help_data)
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{
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GimpColorDialog *dialog = GIMP_COLOR_DIALOG (help_data);
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GimpColorNotebook *notebook;
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notebook =
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GIMP_COLOR_NOTEBOOK (GIMP_COLOR_SELECTION (dialog->selection)->notebook);
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help_id = GIMP_COLOR_SELECTOR_GET_CLASS (notebook->cur_page)->help_id;
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gimp_standard_help_func (help_id, NULL);
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}
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static void
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gimp_color_dialog_color_changed (GimpColorSelection *selection,
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GimpColorDialog *dialog)
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{
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if (dialog->wants_updates)
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{
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GimpRGB color;
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gimp_color_selection_get_color (selection, &color);
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g_signal_emit (dialog, color_dialog_signals[UPDATE], 0,
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&color, GIMP_COLOR_DIALOG_UPDATE);
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}
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}
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/* History-adding button callback */
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static void
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gimp_color_history_add_clicked (GtkWidget *widget,
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GimpColorDialog *dialog)
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{
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GimpViewableDialog *viewable_dialog = GIMP_VIEWABLE_DIALOG (dialog);
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GimpPalette *history;
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GimpRGB color;
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history = gimp_palettes_get_color_history (viewable_dialog->context->gimp);
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gimp_color_selection_get_color (GIMP_COLOR_SELECTION (dialog->selection),
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&color);
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gimp_palette_mru_add (GIMP_PALETTE_MRU (history), &color);
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}
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/* Color history callback */
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static void
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gimp_color_dialog_history_selected (GimpColorHistory *history,
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const GimpRGB *rgb,
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GimpColorDialog *dialog)
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{
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gimp_color_selection_set_color (GIMP_COLOR_SELECTION (dialog->selection),
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rgb);
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}
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