mirror of https://github.com/GNOME/gimp.git
463 lines
14 KiB
C
463 lines
14 KiB
C
/* The GIMP -- an image manipulation program
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* Copyright (C) 1995 Spencer Kimball and Peter Mattis
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*
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* color_notebook 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 2 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, write to the Free Software
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* Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA.
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*/
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#include "config.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 "gui-types.h"
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#include "core/gimpviewable.h"
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#include "widgets/gimpdialogfactory.h"
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#include "widgets/gimpviewabledialog.h"
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#include "color-history.h"
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#include "color-notebook.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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struct _ColorNotebook
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{
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GtkWidget *shell;
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GtkWidget *selection;
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GtkWidget *history[COLOR_HISTORY_SIZE];
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ColorNotebookCallback callback;
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gpointer client_data;
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gboolean wants_updates;
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};
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static void color_notebook_help_func (const gchar *help_id,
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gpointer help_data);
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static void color_notebook_response (GtkWidget *widget,
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gint response_id,
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ColorNotebook *cnp);
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static void color_notebook_color_changed (GimpColorSelection *selection,
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ColorNotebook *cnp);
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static void color_history_color_clicked (GtkWidget *widget,
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ColorNotebook *cnp);
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static void color_history_color_changed (GtkWidget *widget,
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gpointer data);
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static void color_history_add_clicked (GtkWidget *widget,
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ColorNotebook *cnp);
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static GList *color_notebooks = NULL;
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/* public functions */
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ColorNotebook *
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color_notebook_new (GimpViewable *viewable,
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const gchar *title,
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const gchar *stock_id,
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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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ColorNotebookCallback callback,
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gpointer client_data,
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gboolean wants_updates,
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gboolean show_alpha)
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{
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ColorNotebook *cnp;
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GtkWidget *table;
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GtkWidget *button;
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GtkWidget *arrow;
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const gchar *role;
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gint i;
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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 (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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cnp = g_new0 (ColorNotebook, 1);
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cnp->callback = callback;
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cnp->client_data = client_data;
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cnp->wants_updates = wants_updates;
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role = dialog_identifier ? dialog_identifier : "gimp-color-selector";
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if (desc)
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{
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cnp->shell = gimp_viewable_dialog_new (viewable, title, role,
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stock_id, desc,
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parent,
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color_notebook_help_func, NULL,
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NULL);
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gtk_window_set_resizable (GTK_WINDOW (cnp->shell), FALSE);
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}
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else
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{
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cnp->shell = gimp_dialog_new (title, role,
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parent, 0,
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color_notebook_help_func, NULL,
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NULL);
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}
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g_object_set_data (G_OBJECT (cnp->shell), "color-notebook", cnp);
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gtk_dialog_add_buttons (GTK_DIALOG (cnp->shell),
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GIMP_STOCK_RESET, RESPONSE_RESET,
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GTK_STOCK_CANCEL, GTK_RESPONSE_CANCEL,
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GTK_STOCK_OK, GTK_RESPONSE_OK,
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NULL);
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gtk_dialog_set_default_response (GTK_DIALOG (cnp->shell), GTK_RESPONSE_OK);
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g_signal_connect (cnp->shell, "response",
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G_CALLBACK (color_notebook_response),
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cnp);
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g_object_add_weak_pointer (G_OBJECT (cnp->shell), (gpointer *) &cnp->shell);
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if (dialog_factory)
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gimp_dialog_factory_add_foreign (dialog_factory, dialog_identifier,
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cnp->shell);
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cnp->selection = gimp_color_selection_new ();
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gtk_container_set_border_width (GTK_CONTAINER (cnp->selection), 12);
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gimp_color_selection_set_show_alpha (GIMP_COLOR_SELECTION (cnp->selection),
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show_alpha);
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gimp_color_selection_set_color (GIMP_COLOR_SELECTION (cnp->selection), color);
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gimp_color_selection_set_old_color (GIMP_COLOR_SELECTION (cnp->selection),
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color);
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gtk_container_add (GTK_CONTAINER (GTK_DIALOG (cnp->shell)->vbox),
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cnp->selection);
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gtk_widget_show (cnp->selection);
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g_signal_connect (cnp->selection, "color_changed",
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G_CALLBACK (color_notebook_color_changed),
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cnp);
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/* The color history */
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table = gtk_table_new (2, 1 + COLOR_HISTORY_SIZE / 2, TRUE);
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gtk_table_set_row_spacings (GTK_TABLE (table), 2);
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gtk_table_set_col_spacings (GTK_TABLE (table), 2);
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gtk_table_set_col_spacing (GTK_TABLE (table), 0, 4);
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gtk_box_pack_end (GTK_BOX (GIMP_COLOR_SELECTION (cnp->selection)->right_vbox),
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table, FALSE, FALSE, 0);
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gtk_widget_show (table);
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button = gtk_button_new ();
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gtk_widget_set_size_request (button, COLOR_AREA_SIZE, COLOR_AREA_SIZE);
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gtk_table_attach_defaults (GTK_TABLE (table), button, 0, 1, 0, 1);
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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 (color_history_add_clicked),
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cnp);
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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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for (i = 0; i < COLOR_HISTORY_SIZE; i++)
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{
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GimpRGB history_color;
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gint row, column;
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color_history_get (i, &history_color);
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button = gtk_button_new ();
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gtk_widget_set_size_request (button, COLOR_AREA_SIZE, COLOR_AREA_SIZE);
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column = i % (COLOR_HISTORY_SIZE / 2);
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row = i / (COLOR_HISTORY_SIZE / 2);
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gtk_table_attach_defaults (GTK_TABLE (table), button,
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column + 1, column + 2, row, row + 1);
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cnp->history[i] = gimp_color_area_new (&history_color,
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GIMP_COLOR_AREA_SMALL_CHECKS,
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GDK_BUTTON2_MASK);
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gtk_container_add (GTK_CONTAINER (button), cnp->history[i]);
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gtk_widget_show (cnp->history[i]);
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gtk_widget_show (button);
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g_signal_connect (button, "clicked",
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G_CALLBACK (color_history_color_clicked),
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cnp);
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g_signal_connect (cnp->history[i], "color_changed",
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G_CALLBACK (color_history_color_changed),
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GINT_TO_POINTER (i));
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}
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gtk_widget_show (cnp->shell);
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color_notebooks = g_list_prepend (color_notebooks, cnp);
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return cnp;
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}
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void
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color_notebook_free (ColorNotebook *cnp)
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{
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g_return_if_fail (cnp != NULL);
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color_notebooks = g_list_remove (color_notebooks, cnp);
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/* may be already destroyed by dialog factory */
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if (cnp->shell)
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{
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g_object_remove_weak_pointer (G_OBJECT (cnp->shell),
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(gpointer *) &cnp->shell);
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gtk_widget_destroy (cnp->shell);
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}
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g_free (cnp);
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}
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void
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color_notebook_set_viewable (ColorNotebook *cnb,
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GimpViewable *viewable)
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{
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g_return_if_fail (cnb != NULL);
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if (GIMP_IS_VIEWABLE_DIALOG (cnb->shell))
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gimp_viewable_dialog_set_viewable (GIMP_VIEWABLE_DIALOG (cnb->shell),
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viewable);
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}
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void
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color_notebook_set_title (ColorNotebook *cnb,
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const gchar *title)
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{
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g_return_if_fail (cnb != NULL);
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g_return_if_fail (title != NULL);
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gtk_window_set_title (GTK_WINDOW (cnb->shell), title);
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}
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void
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color_notebook_set_color (ColorNotebook *cnp,
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const GimpRGB *color)
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{
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g_return_if_fail (cnp != NULL);
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g_return_if_fail (color != NULL);
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g_signal_handlers_block_by_func (cnp->selection,
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color_notebook_color_changed,
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cnp);
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gimp_color_selection_set_color (GIMP_COLOR_SELECTION (cnp->selection), color);
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gimp_color_selection_set_old_color (GIMP_COLOR_SELECTION (cnp->selection),
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color);
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g_signal_handlers_unblock_by_func (cnp->selection,
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color_notebook_color_changed,
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cnp);
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}
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void
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color_notebook_get_color (ColorNotebook *cnp,
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GimpRGB *color)
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{
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g_return_if_fail (cnp != NULL);
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g_return_if_fail (color != NULL);
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gimp_color_selection_get_color (GIMP_COLOR_SELECTION (cnp->selection), color);
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}
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void
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color_notebook_show (ColorNotebook *cnp)
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{
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g_return_if_fail (cnp != NULL);
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gtk_window_present (GTK_WINDOW (cnp->shell));
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}
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void
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color_notebook_hide (ColorNotebook *cnp)
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{
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g_return_if_fail (cnp != NULL);
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gtk_widget_hide (cnp->shell);
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}
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/* private functions */
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static void
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color_notebook_help_func (const gchar *help_id,
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gpointer help_data)
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{
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ColorNotebook *cnp;
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GimpColorNotebook *notebook;
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cnp = g_object_get_data (G_OBJECT (help_data), "color-notebook");
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notebook =
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GIMP_COLOR_NOTEBOOK (GIMP_COLOR_SELECTION (cnp->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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color_notebook_response (GtkWidget *widget,
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gint response_id,
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ColorNotebook *cnp)
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{
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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 (cnp->selection));
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break;
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case GTK_RESPONSE_OK:
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color_history_add_clicked (NULL, cnp);
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gimp_color_selection_get_color (GIMP_COLOR_SELECTION (cnp->selection),
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&color);
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if (cnp->callback)
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cnp->callback (cnp, &color,
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COLOR_NOTEBOOK_OK,
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cnp->client_data);
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break;
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default:
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gimp_color_selection_get_old_color (GIMP_COLOR_SELECTION (cnp->selection),
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&color);
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if (cnp->callback)
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cnp->callback (cnp, &color,
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COLOR_NOTEBOOK_CANCEL,
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cnp->client_data);
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break;
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}
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}
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static void
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color_notebook_color_changed (GimpColorSelection *selection,
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ColorNotebook *cnp)
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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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if (cnp->wants_updates && cnp->callback)
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cnp->callback (cnp,
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&color,
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COLOR_NOTEBOOK_UPDATE,
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cnp->client_data);
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}
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/* color history callbacks */
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static void
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color_history_color_clicked (GtkWidget *widget,
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ColorNotebook *cnp)
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{
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GimpColorArea *color_area;
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GimpRGB color;
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color_area = GIMP_COLOR_AREA (GTK_BIN (widget)->child);
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gimp_color_area_get_color (color_area, &color);
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gimp_color_selection_set_color (GIMP_COLOR_SELECTION (cnp->selection),
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&color);
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}
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static void
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color_history_color_changed (GtkWidget *widget,
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gpointer data)
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{
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GimpRGB changed_color;
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gint color_index;
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GList *list;
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gimp_color_area_get_color (GIMP_COLOR_AREA (widget), &changed_color);
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color_index = GPOINTER_TO_INT (data);
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color_history_set (color_index, &changed_color);
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for (list = color_notebooks; list; list = g_list_next (list))
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{
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ColorNotebook *notebook = list->data;
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if (notebook->history[color_index] != widget)
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{
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g_signal_handlers_block_by_func (notebook->history[color_index],
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color_history_color_changed,
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data);
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gimp_color_area_set_color
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(GIMP_COLOR_AREA (notebook->history[color_index]), &changed_color);
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g_signal_handlers_unblock_by_func (notebook->history[color_index],
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color_history_color_changed,
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data);
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}
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}
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}
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static void
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color_history_add_clicked (GtkWidget *widget,
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ColorNotebook *cnp)
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{
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GimpRGB color;
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gint shift_begin;
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gint i;
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gimp_color_selection_get_color (GIMP_COLOR_SELECTION (cnp->selection),
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&color);
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shift_begin = color_history_add (&color);
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for (i = shift_begin; i >= 0; i--)
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{
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color_history_get (i, &color);
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gimp_color_area_set_color (GIMP_COLOR_AREA (cnp->history[i]), &color);
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}
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}
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