mirror of https://github.com/GNOME/gimp.git
564 lines
18 KiB
C
564 lines
18 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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* gimpcoloreditor.c
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* Copyright (C) 2002 Michael Natterer <mitch@gimp.org>
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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 <gdk/gdkkeysyms.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 "core/gimpcontext.h"
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#include "gimpcoloreditor.h"
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#include "gimp-intl.h"
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static void gimp_color_editor_class_init (GimpColorEditorClass *klass);
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static void gimp_color_editor_init (GimpColorEditor *editor);
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static void gimp_color_editor_destroy (GtkObject *object);
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static void gimp_color_editor_fg_changed (GimpContext *context,
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const GimpRGB *rgb,
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GimpColorEditor *editor);
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static void gimp_color_editor_bg_changed (GimpContext *context,
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const GimpRGB *rgb,
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GimpColorEditor *editor);
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static void gimp_color_editor_color_changed (GimpColorSelector *selector,
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const GimpRGB *rgb,
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const GimpHSV *hsv,
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GimpColorEditor *editor);
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static void gimp_color_editor_area_changed (GimpColorArea *color_area,
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GimpColorEditor *editor);
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static void gimp_color_editor_tab_toggled (GtkWidget *widget,
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GimpColorEditor *editor);
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static void gimp_color_editor_fg_bg_toggled (GtkWidget *widget,
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GimpColorEditor *editor);
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static void gimp_color_editor_color_picked (GtkWidget *widget,
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const GimpRGB *rgb,
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GimpColorEditor *editor);
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static GimpEditorClass *parent_class = NULL;
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GType
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gimp_color_editor_get_type (void)
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{
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static GType editor_type = 0;
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if (! editor_type)
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{
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static const GTypeInfo editor_info =
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{
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sizeof (GimpColorEditorClass),
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(GBaseInitFunc) NULL,
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(GBaseFinalizeFunc) NULL,
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(GClassInitFunc) gimp_color_editor_class_init,
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NULL, /* class_finalize */
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NULL, /* class_data */
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sizeof (GimpColorEditor),
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0, /* n_preallocs */
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(GInstanceInitFunc) gimp_color_editor_init,
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};
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editor_type = g_type_register_static (GIMP_TYPE_EDITOR,
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"GimpColorEditor",
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&editor_info, 0);
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}
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return editor_type;
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}
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static void
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gimp_color_editor_class_init (GimpColorEditorClass* klass)
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{
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GtkObjectClass *object_class;
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object_class = GTK_OBJECT_CLASS (klass);
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parent_class = g_type_class_peek_parent (klass);
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object_class->destroy = gimp_color_editor_destroy;
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}
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static void
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gimp_color_editor_init (GimpColorEditor *editor)
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{
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GtkWidget *notebook;
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gint content_spacing;
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gint button_spacing;
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GtkIconSize button_icon_size;
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GimpRGB rgb;
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GimpHSV hsv;
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GList *list;
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GSList *group;
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editor->context = NULL;
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editor->edit_bg = FALSE;
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gimp_rgba_set (&rgb, 0.0, 0.0, 0.0, 1.0);
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gimp_rgb_to_hsv (&rgb, &hsv);
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gtk_widget_style_get (GTK_WIDGET (editor),
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"content_spacing", &content_spacing,
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"button_spacing", &button_spacing,
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"button_icon_size", &button_icon_size,
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NULL);
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editor->hbox = gtk_hbox_new (TRUE, button_spacing);
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gtk_box_pack_start (GTK_BOX (editor), editor->hbox, FALSE, FALSE, 0);
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gtk_widget_show (editor->hbox);
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editor->notebook = gimp_color_selector_new (GIMP_TYPE_COLOR_NOTEBOOK,
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&rgb, &hsv,
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GIMP_COLOR_SELECTOR_HUE);
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gimp_color_selector_set_show_alpha (GIMP_COLOR_SELECTOR (editor->notebook),
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FALSE);
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gtk_box_pack_start (GTK_BOX (editor), editor->notebook,
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TRUE, TRUE, content_spacing);
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gtk_widget_show (editor->notebook);
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g_signal_connect (editor->notebook, "color_changed",
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G_CALLBACK (gimp_color_editor_color_changed),
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editor);
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notebook = GIMP_COLOR_NOTEBOOK (editor->notebook)->notebook;
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gtk_notebook_set_show_tabs (GTK_NOTEBOOK (notebook), FALSE);
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gtk_notebook_set_show_border (GTK_NOTEBOOK (notebook), FALSE);
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gimp_color_notebook_set_has_page (GIMP_COLOR_NOTEBOOK (editor->notebook),
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GIMP_TYPE_COLOR_SCALES, TRUE);
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group = NULL;
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for (list = GIMP_COLOR_NOTEBOOK (editor->notebook)->selectors;
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list;
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list = g_list_next (list))
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{
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GimpColorSelector *selector;
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GimpColorSelectorClass *selector_class;
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GtkWidget *button;
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GtkWidget *image;
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selector = GIMP_COLOR_SELECTOR (list->data);
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selector_class = GIMP_COLOR_SELECTOR_GET_CLASS (selector);
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button = gtk_radio_button_new (group);
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group = gtk_radio_button_get_group (GTK_RADIO_BUTTON (button));
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gtk_toggle_button_set_mode (GTK_TOGGLE_BUTTON (button), FALSE);
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gtk_box_pack_start (GTK_BOX (editor->hbox), button, TRUE, TRUE, 0);
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gtk_widget_show (button);
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image = gtk_image_new_from_stock (selector_class->stock_id,
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GTK_ICON_SIZE_BUTTON);
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gtk_container_add (GTK_CONTAINER (button), image);
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gtk_widget_show (image);
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if (selector_class->name)
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{
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gchar *stripped_name;
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gchar *p, *q;
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stripped_name = g_strdup (selector_class->name);
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p = q = stripped_name;
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while (*q)
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{
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if (*q == '_')
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q++;
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else
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*p++ = *q++;
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}
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*p = '\0';
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gimp_help_set_help_data (button, stripped_name,
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selector_class->help_page);
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g_free (stripped_name);
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}
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g_object_set_data (G_OBJECT (button), "selector", selector);
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g_signal_connect (button, "toggled",
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G_CALLBACK (gimp_color_editor_tab_toggled),
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editor);
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}
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/* The color picker */
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{
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GtkWidget *button;
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button = gimp_pick_button_new ();
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gtk_box_pack_start (GTK_BOX (editor->hbox), button, TRUE, TRUE, 0);
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gtk_widget_show (button);
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g_signal_connect (button, "color_picked",
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G_CALLBACK (gimp_color_editor_color_picked),
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editor);
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}
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/* FG/BG toggles */
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{
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GtkWidget *hbox;
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GtkWidget *vbox;
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GtkWidget *frame;
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gint i;
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static const gchar *labels[] =
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{
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N_("FG"), N_("BG")
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};
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static const gchar *tips[] =
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{
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N_("Edit Foreground Color"), N_("Edit Background Color")
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};
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hbox = gtk_hbox_new (FALSE, button_spacing);
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gtk_box_pack_start (GTK_BOX (editor), hbox, FALSE, FALSE, 0);
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gtk_widget_show (hbox);
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vbox = gtk_vbox_new (FALSE, button_spacing);
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gtk_box_pack_start (GTK_BOX (hbox), vbox, FALSE, FALSE, 0);
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gtk_widget_show (vbox);
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group = NULL;
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for (i = 0; i < G_N_ELEMENTS (labels); i++)
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{
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GtkWidget *button;
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button = gtk_radio_button_new_with_mnemonic (group,
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gettext (labels[i]));
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group = gtk_radio_button_get_group (GTK_RADIO_BUTTON (button));
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gtk_toggle_button_set_mode (GTK_TOGGLE_BUTTON (button), FALSE);
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gtk_box_pack_start (GTK_BOX (vbox), button, FALSE, FALSE, 0);
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gtk_widget_show (button);
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gimp_help_set_help_data (button, gettext (tips[i]), NULL);
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g_object_set_data (G_OBJECT (button), "edit_bg",
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GINT_TO_POINTER (i == 1));
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if ((i == 1) == editor->edit_bg)
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gtk_toggle_button_set_active (GTK_TOGGLE_BUTTON (button), TRUE);
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g_signal_connect (button, "toggled",
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G_CALLBACK (gimp_color_editor_fg_bg_toggled),
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editor);
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}
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frame = gtk_frame_new (NULL);
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gtk_frame_set_shadow_type (GTK_FRAME (frame), GTK_SHADOW_IN);
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gtk_box_pack_end (GTK_BOX (hbox), frame, TRUE, TRUE, 0);
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gtk_widget_show (frame);
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editor->color_area = gimp_color_area_new (&rgb, GIMP_COLOR_AREA_FLAT,
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GDK_BUTTON1_MASK |
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GDK_BUTTON2_MASK);
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gtk_container_add (GTK_CONTAINER (frame), editor->color_area);
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gtk_widget_show (editor->color_area);
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g_signal_connect (editor->color_area, "color_changed",
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G_CALLBACK (gimp_color_editor_area_changed),
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editor);
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}
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}
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static void
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gimp_color_editor_destroy (GtkObject *object)
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{
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GimpColorEditor *editor;
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editor = GIMP_COLOR_EDITOR (object);
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if (editor->context)
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gimp_color_editor_set_context (editor, NULL);
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GTK_OBJECT_CLASS (parent_class)->destroy (object);
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}
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/* public functions */
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GtkWidget *
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gimp_color_editor_new (GimpContext *context)
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{
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GimpColorEditor *editor;
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g_return_val_if_fail (context == NULL || GIMP_IS_CONTEXT (context), NULL);
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editor = g_object_new (GIMP_TYPE_COLOR_EDITOR, NULL);
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if (context)
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gimp_color_editor_set_context (editor, context);
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return GTK_WIDGET (editor);
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}
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void
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gimp_color_editor_set_context (GimpColorEditor *editor,
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GimpContext *context)
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{
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g_return_if_fail (GIMP_IS_COLOR_EDITOR (editor));
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g_return_if_fail (context == NULL || GIMP_IS_CONTEXT (context));
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if (context == editor->context)
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return;
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if (editor->context)
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{
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g_signal_handlers_disconnect_by_func (editor->context,
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gimp_color_editor_fg_changed,
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editor);
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g_signal_handlers_disconnect_by_func (editor->context,
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gimp_color_editor_bg_changed,
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editor);
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g_object_unref (editor->context);
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editor->context = NULL;
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}
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if (context)
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{
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GimpRGB rgb;
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editor->context = g_object_ref (context);
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g_signal_connect (editor->context, "foreground_changed",
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G_CALLBACK (gimp_color_editor_fg_changed),
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editor);
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g_signal_connect (editor->context, "background_changed",
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G_CALLBACK (gimp_color_editor_bg_changed),
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editor);
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if (editor->edit_bg)
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{
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gimp_context_get_background (editor->context, &rgb);
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gimp_color_editor_bg_changed (editor->context, &rgb, editor);
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}
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else
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{
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gimp_context_get_foreground (editor->context, &rgb);
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gimp_color_editor_fg_changed (editor->context, &rgb, editor);
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}
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}
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}
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/* public functions */
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static void
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gimp_color_editor_fg_changed (GimpContext *context,
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const GimpRGB *rgb,
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GimpColorEditor *editor)
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{
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if (! editor->edit_bg)
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{
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GimpHSV hsv;
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gimp_rgb_to_hsv (rgb, &hsv);
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g_signal_handlers_block_by_func (editor->notebook,
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gimp_color_editor_color_changed,
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editor);
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g_signal_handlers_block_by_func (editor->color_area,
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gimp_color_editor_area_changed,
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editor);
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gimp_color_selector_set_color (GIMP_COLOR_SELECTOR (editor->notebook),
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rgb, &hsv);
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gimp_color_area_set_color (GIMP_COLOR_AREA (editor->color_area), rgb);
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g_signal_handlers_unblock_by_func (editor->notebook,
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gimp_color_editor_color_changed,
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editor);
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g_signal_handlers_unblock_by_func (editor->color_area,
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gimp_color_editor_area_changed,
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editor);
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}
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}
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static void
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gimp_color_editor_bg_changed (GimpContext *context,
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const GimpRGB *rgb,
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GimpColorEditor *editor)
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{
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if (editor->edit_bg)
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{
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GimpHSV hsv;
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gimp_rgb_to_hsv (rgb, &hsv);
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g_signal_handlers_block_by_func (editor->notebook,
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gimp_color_editor_color_changed,
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editor);
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g_signal_handlers_block_by_func (editor->color_area,
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gimp_color_editor_area_changed,
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editor);
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gimp_color_selector_set_color (GIMP_COLOR_SELECTOR (editor->notebook),
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rgb, &hsv);
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gimp_color_area_set_color (GIMP_COLOR_AREA (editor->color_area), rgb);
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g_signal_handlers_unblock_by_func (editor->notebook,
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gimp_color_editor_color_changed,
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editor);
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g_signal_handlers_unblock_by_func (editor->color_area,
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gimp_color_editor_area_changed,
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editor);
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}
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}
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static void
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gimp_color_editor_color_changed (GimpColorSelector *selector,
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const GimpRGB *rgb,
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const GimpHSV *hsv,
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GimpColorEditor *editor)
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{
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if (editor->context)
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{
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if (editor->edit_bg)
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{
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g_signal_handlers_block_by_func (editor->context,
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gimp_color_editor_bg_changed,
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editor);
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gimp_context_set_background (editor->context, rgb);
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g_signal_handlers_unblock_by_func (editor->context,
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gimp_color_editor_bg_changed,
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editor);
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}
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else
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{
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g_signal_handlers_block_by_func (editor->context,
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gimp_color_editor_fg_changed,
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editor);
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gimp_context_set_foreground (editor->context, rgb);
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g_signal_handlers_unblock_by_func (editor->context,
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gimp_color_editor_fg_changed,
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editor);
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}
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}
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g_signal_handlers_block_by_func (editor->color_area,
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gimp_color_editor_area_changed,
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editor);
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gimp_color_area_set_color (GIMP_COLOR_AREA (editor->color_area), rgb);
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g_signal_handlers_unblock_by_func (editor->color_area,
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gimp_color_editor_area_changed,
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editor);
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}
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static void
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gimp_color_editor_area_changed (GimpColorArea *color_area,
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GimpColorEditor *editor)
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{
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GimpRGB rgb;
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GimpHSV hsv;
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gimp_color_area_get_color (color_area, &rgb);
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gimp_rgb_to_hsv (&rgb, &hsv);
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gimp_color_selector_set_color (GIMP_COLOR_SELECTOR (editor->notebook),
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&rgb, &hsv);
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}
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static void
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gimp_color_editor_tab_toggled (GtkWidget *widget,
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GimpColorEditor *editor)
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{
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if (GTK_TOGGLE_BUTTON (widget)->active)
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{
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GtkWidget *selector;
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selector = g_object_get_data (G_OBJECT (widget), "selector");
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if (selector)
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{
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GtkWidget *notebook;
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gint page_num;
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notebook = GIMP_COLOR_NOTEBOOK (editor->notebook)->notebook;
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page_num = gtk_notebook_page_num (GTK_NOTEBOOK (notebook), selector);
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if (page_num >= 0)
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gtk_notebook_set_current_page (GTK_NOTEBOOK (notebook), page_num);
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}
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}
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}
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static void
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gimp_color_editor_fg_bg_toggled (GtkWidget *widget,
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GimpColorEditor *editor)
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{
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if (GTK_TOGGLE_BUTTON (widget)->active)
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{
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gboolean edit_bg;
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|
|
edit_bg = GPOINTER_TO_INT (g_object_get_data (G_OBJECT (widget),
|
|
"edit_bg"));
|
|
|
|
if (edit_bg != editor->edit_bg)
|
|
{
|
|
editor->edit_bg = edit_bg;
|
|
|
|
if (editor->context)
|
|
{
|
|
GimpRGB rgb;
|
|
|
|
if (edit_bg)
|
|
{
|
|
gimp_context_get_background (editor->context, &rgb);
|
|
gimp_color_editor_bg_changed (editor->context, &rgb, editor);
|
|
}
|
|
else
|
|
{
|
|
gimp_context_get_foreground (editor->context, &rgb);
|
|
gimp_color_editor_fg_changed (editor->context, &rgb, editor);
|
|
}
|
|
}
|
|
}
|
|
}
|
|
}
|
|
|
|
static void
|
|
gimp_color_editor_color_picked (GtkWidget *widget,
|
|
const GimpRGB *rgb,
|
|
GimpColorEditor *editor)
|
|
{
|
|
gimp_color_area_set_color (GIMP_COLOR_AREA (editor->color_area), rgb);
|
|
}
|