gimp/app/widgets/gimpcolormapeditor.c

382 lines
13 KiB
C

/* GIMP - The GNU Image Manipulation Program
* Copyright (C) 1995 Spencer Kimball and Peter Mattis
*
* This program is free software: you can redistribute it and/or modify
* it under the terms of the GNU General Public License as published by
* the Free Software Foundation; either version 3 of the License, or
* (at your option) any later version.
*
* This program is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* GNU General Public License for more details.
*
* You should have received a copy of the GNU General Public License
* along with this program. If not, see <https://www.gnu.org/licenses/>.
*/
#include "config.h"
#include <gegl.h>
#include <gtk/gtk.h>
#include "libgimpcolor/gimpcolor.h"
#include "libgimpwidgets/gimpwidgets.h"
#include "widgets-types.h"
#include "core/gimp.h"
#include "core/gimpcontext.h"
#include "core/gimpimage.h"
#include "core/gimpimage-colormap.h"
#include "core/gimppalette.h"
#include "core/gimpprojection.h"
#include "gimpcolordialog.h"
#include "gimpcolormapeditor.h"
#include "gimpcolormapselection.h"
#include "gimpdialogfactory.h"
#include "gimpdocked.h"
#include "gimpmenufactory.h"
#include "gimpwidgets-utils.h"
#include "gimp-intl.h"
static void gimp_colormap_editor_docked_iface_init (GimpDockedInterface *face);
static void gimp_colormap_editor_constructed (GObject *object);
static void gimp_colormap_editor_dispose (GObject *object);
static void gimp_colormap_editor_unmap (GtkWidget *widget);
static void gimp_colormap_editor_set_context (GimpDocked *docked,
GimpContext *context);
static void gimp_colormap_editor_color_update (GimpColorDialog *dialog,
const GimpRGB *color,
GimpColorDialogState state,
GimpColormapEditor *editor);
static void gimp_colormap_editor_entry_popup (GimpEditor *editor);
static void gimp_colormap_editor_color_clicked (GimpColormapEditor *editor,
GimpPaletteEntry *entry,
GdkModifierType state);
G_DEFINE_TYPE_WITH_CODE (GimpColormapEditor, gimp_colormap_editor,
GIMP_TYPE_IMAGE_EDITOR,
G_IMPLEMENT_INTERFACE (GIMP_TYPE_DOCKED,
gimp_colormap_editor_docked_iface_init))
#define parent_class gimp_colormap_editor_parent_class
static GimpDockedInterface *parent_docked_iface = NULL;
static void
gimp_colormap_editor_class_init (GimpColormapEditorClass* klass)
{
GObjectClass *object_class = G_OBJECT_CLASS (klass);
GtkWidgetClass *widget_class = GTK_WIDGET_CLASS (klass);
object_class->constructed = gimp_colormap_editor_constructed;
object_class->dispose = gimp_colormap_editor_dispose;
widget_class->unmap = gimp_colormap_editor_unmap;
}
static void
gimp_colormap_editor_docked_iface_init (GimpDockedInterface *iface)
{
parent_docked_iface = g_type_interface_peek_parent (iface);
if (! parent_docked_iface)
parent_docked_iface = g_type_default_interface_peek (GIMP_TYPE_DOCKED);
iface->set_context = gimp_colormap_editor_set_context;
}
static void
gimp_colormap_editor_init (GimpColormapEditor *editor)
{
}
static void
gimp_colormap_editor_constructed (GObject *object)
{
GimpColormapEditor *editor = GIMP_COLORMAP_EDITOR (object);
GdkModifierType extend_mask;
GdkModifierType modify_mask;
G_OBJECT_CLASS (parent_class)->constructed (object);
/* Editor buttons. */
extend_mask = gtk_widget_get_modifier_mask (GTK_WIDGET (object),
GDK_MODIFIER_INTENT_EXTEND_SELECTION);
modify_mask = gtk_widget_get_modifier_mask (GTK_WIDGET (object),
GDK_MODIFIER_INTENT_MODIFY_SELECTION);
gimp_editor_add_action_button (GIMP_EDITOR (editor), "colormap",
"colormap-edit-color",
NULL);
gimp_editor_add_action_button (GIMP_EDITOR (editor), "colormap",
"colormap-add-color-from-fg",
"colormap-add-color-from-bg",
gimp_get_toggle_behavior_mask (),
NULL);
gimp_editor_add_action_button (GIMP_EDITOR (editor), "colormap",
"colormap-selection-replace",
"colormap-selection-add",
extend_mask,
"colormap-selection-subtract",
modify_mask,
"colormap-selection-intersect",
extend_mask | modify_mask,
NULL);
}
static void
gimp_colormap_editor_dispose (GObject *object)
{
GimpColormapEditor *editor = GIMP_COLORMAP_EDITOR (object);
g_clear_pointer (&editor->color_dialog, gtk_widget_destroy);
G_OBJECT_CLASS (parent_class)->dispose (object);
}
static void
gimp_colormap_editor_unmap (GtkWidget *widget)
{
GimpColormapEditor *editor = GIMP_COLORMAP_EDITOR (widget);
if (editor->color_dialog)
gtk_widget_hide (editor->color_dialog);
GTK_WIDGET_CLASS (parent_class)->unmap (widget);
}
static void
gimp_colormap_editor_set_context (GimpDocked *docked,
GimpContext *context)
{
GimpColormapEditor *editor = GIMP_COLORMAP_EDITOR (docked);
parent_docked_iface->set_context (docked, context);
if (editor->selection)
gtk_widget_destroy (editor->selection);
editor->selection = NULL;
/* Main selection widget. */
if (context)
{
editor->selection = gimp_colormap_selection_new (context);
gtk_box_pack_start (GTK_BOX (editor), editor->selection, TRUE, TRUE, 0);
gtk_widget_show (editor->selection);
g_signal_connect_swapped (editor->selection, "color-context",
G_CALLBACK (gimp_colormap_editor_entry_popup),
editor);
g_signal_connect_swapped (editor->selection, "color-clicked",
G_CALLBACK (gimp_colormap_editor_color_clicked),
editor);
g_signal_connect_swapped (editor->selection, "color-activated",
G_CALLBACK (gimp_colormap_editor_edit_color),
editor);
}
}
/* public functions */
GtkWidget *
gimp_colormap_editor_new (GimpMenuFactory *menu_factory)
{
g_return_val_if_fail (GIMP_IS_MENU_FACTORY (menu_factory), NULL);
return g_object_new (GIMP_TYPE_COLORMAP_EDITOR,
"menu-factory", menu_factory,
"menu-identifier", "<Colormap>",
"ui-path", "/colormap-popup",
NULL);
}
void
gimp_colormap_editor_edit_color (GimpColormapEditor *editor)
{
GimpImage *image;
const guchar *colormap;
GimpRGB color;
gchar *desc;
gint index;
g_return_if_fail (GIMP_IS_COLORMAP_EDITOR (editor));
image = GIMP_IMAGE_EDITOR (editor)->image;
index = gimp_colormap_selection_get_index (GIMP_COLORMAP_SELECTION (editor->selection),
NULL);
if (index == -1)
/* No colormap. */
return;
colormap = gimp_image_get_colormap (image);
gimp_rgba_set_uchar (&color,
colormap[index * 3],
colormap[index * 3 + 1],
colormap[index * 3 + 2],
255);
desc = g_strdup_printf (_("Edit colormap entry #%d"), index);
if (! editor->color_dialog)
{
editor->color_dialog =
gimp_color_dialog_new (GIMP_VIEWABLE (image),
GIMP_IMAGE_EDITOR (editor)->context,
FALSE,
_("Edit Colormap Entry"),
GIMP_ICON_COLORMAP,
desc,
GTK_WIDGET (editor),
gimp_dialog_factory_get_singleton (),
"gimp-colormap-editor-color-dialog",
(const GimpRGB *) &color,
TRUE, FALSE);
g_signal_connect (editor->color_dialog, "destroy",
G_CALLBACK (gtk_widget_destroyed),
&editor->color_dialog);
g_signal_connect (editor->color_dialog, "update",
G_CALLBACK (gimp_colormap_editor_color_update),
editor);
}
else
{
gimp_viewable_dialog_set_viewable (GIMP_VIEWABLE_DIALOG (editor->color_dialog),
GIMP_VIEWABLE (image),
GIMP_IMAGE_EDITOR (editor)->context);
g_object_set (editor->color_dialog, "description", desc, NULL);
gimp_color_dialog_set_color (GIMP_COLOR_DIALOG (editor->color_dialog),
&color);
if (! gtk_widget_get_visible (editor->color_dialog))
gimp_dialog_factory_position_dialog (gimp_dialog_factory_get_singleton (),
"gimp-colormap-editor-color-dialog",
editor->color_dialog,
gimp_widget_get_monitor (GTK_WIDGET (editor)));
}
g_free (desc);
gtk_window_present (GTK_WINDOW (editor->color_dialog));
}
gint
gimp_colormap_editor_get_index (GimpColormapEditor *editor,
const GimpRGB *search)
{
g_return_val_if_fail (GIMP_IS_COLORMAP_EDITOR (editor), 0);
return gimp_colormap_selection_get_index (GIMP_COLORMAP_SELECTION (editor->selection), search);
}
gboolean
gimp_colormap_editor_set_index (GimpColormapEditor *editor,
gint index,
GimpRGB *color)
{
g_return_val_if_fail (GIMP_IS_COLORMAP_EDITOR (editor), FALSE);
return gimp_colormap_selection_set_index (GIMP_COLORMAP_SELECTION (editor->selection), index, color);
}
gint
gimp_colormap_editor_max_index (GimpColormapEditor *editor)
{
g_return_val_if_fail (GIMP_IS_COLORMAP_EDITOR (editor), -1);
return gimp_colormap_selection_max_index (GIMP_COLORMAP_SELECTION (editor->selection));
}
static void
gimp_colormap_editor_color_update (GimpColorDialog *dialog,
const GimpRGB *color,
GimpColorDialogState state,
GimpColormapEditor *editor)
{
GimpImageEditor *image_editor = GIMP_IMAGE_EDITOR (editor);
GimpImage *image = image_editor->image;
gboolean push_undo = FALSE;
switch (state)
{
case GIMP_COLOR_DIALOG_OK:
push_undo = TRUE;
if (state & gimp_get_toggle_behavior_mask ())
gimp_context_set_background (image_editor->context, color);
else
gimp_context_set_foreground (image_editor->context, color);
/* Fall through */
case GIMP_COLOR_DIALOG_CANCEL:
gtk_widget_hide (editor->color_dialog);
break;
case GIMP_COLOR_DIALOG_UPDATE:
break;
}
if (image)
{
gint col_index;
col_index = gimp_colormap_selection_get_index (GIMP_COLORMAP_SELECTION (editor->selection),
NULL);
if (push_undo)
{
GimpRGB old_color;
gimp_color_selection_get_old_color (
GIMP_COLOR_SELECTION (dialog->selection), &old_color);
/* Restore old color for undo */
gimp_image_set_colormap_entry (image, col_index, &old_color,
FALSE);
}
gimp_image_set_colormap_entry (image, col_index, color,
push_undo);
if (push_undo)
gimp_image_flush (image);
else
gimp_projection_flush (gimp_image_get_projection (image));
}
}
static void
gimp_colormap_editor_entry_popup (GimpEditor *editor)
{
gimp_editor_popup_menu (editor, NULL, NULL);
}
static void
gimp_colormap_editor_color_clicked (GimpColormapEditor *editor,
GimpPaletteEntry *entry,
GdkModifierType state)
{
GimpImageEditor *image_editor = GIMP_IMAGE_EDITOR (editor);
if (state & gimp_get_toggle_behavior_mask ())
gimp_context_set_background (image_editor->context, &entry->color);
else
gimp_context_set_foreground (image_editor->context, &entry->color);
}