mirror of https://github.com/GNOME/gimp.git
472 lines
16 KiB
C
472 lines
16 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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* 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 <https://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 "core/gimp.h"
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#include "core/gimpcontext.h"
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#include "core/gimpimage.h"
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#include "core/gimpimage-colormap.h"
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#include "core/gimppalette.h"
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#include "core/gimpprojection.h"
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#include "gimpcolordialog.h"
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#include "gimpcolormapeditor.h"
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#include "gimpcolormapselection.h"
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#include "gimpdialogfactory.h"
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#include "gimpdocked.h"
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#include "gimpmenufactory.h"
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#include "gimpwidgets-utils.h"
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#include "gimp-intl.h"
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static void gimp_colormap_editor_docked_iface_init (GimpDockedInterface *face);
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static void gimp_colormap_editor_constructed (GObject *object);
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static void gimp_colormap_editor_dispose (GObject *object);
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static void gimp_colormap_editor_unmap (GtkWidget *widget);
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static void gimp_colormap_editor_set_context (GimpDocked *docked,
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GimpContext *context);
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static void gimp_colormap_editor_color_update (GimpColorDialog *dialog,
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GeglColor *color,
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GimpColorDialogState state,
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GimpColormapEditor *editor);
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static gboolean gimp_colormap_editor_entry_button_press (GtkWidget *widget,
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GdkEvent *event,
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gpointer user_data);
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static gboolean gimp_colormap_editor_entry_popup (GtkWidget *widget,
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gpointer user_data);
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static void gimp_colormap_editor_color_clicked (GimpColormapEditor *editor,
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GimpPaletteEntry *entry,
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GdkModifierType state);
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static void gimp_colormap_editor_notify_index (GimpColormapSelection *selection,
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const GParamSpec *pspec,
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GimpColormapEditor *editor);
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G_DEFINE_TYPE_WITH_CODE (GimpColormapEditor, gimp_colormap_editor,
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GIMP_TYPE_IMAGE_EDITOR,
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G_IMPLEMENT_INTERFACE (GIMP_TYPE_DOCKED,
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gimp_colormap_editor_docked_iface_init))
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#define parent_class gimp_colormap_editor_parent_class
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static GimpDockedInterface *parent_docked_iface = NULL;
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static void
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gimp_colormap_editor_class_init (GimpColormapEditorClass* klass)
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{
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GObjectClass *object_class = G_OBJECT_CLASS (klass);
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GtkWidgetClass *widget_class = GTK_WIDGET_CLASS (klass);
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object_class->constructed = gimp_colormap_editor_constructed;
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object_class->dispose = gimp_colormap_editor_dispose;
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widget_class->unmap = gimp_colormap_editor_unmap;
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}
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static void
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gimp_colormap_editor_docked_iface_init (GimpDockedInterface *iface)
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{
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parent_docked_iface = g_type_interface_peek_parent (iface);
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if (! parent_docked_iface)
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parent_docked_iface = g_type_default_interface_peek (GIMP_TYPE_DOCKED);
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iface->set_context = gimp_colormap_editor_set_context;
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}
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static void
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gimp_colormap_editor_init (GimpColormapEditor *editor)
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{
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}
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static void
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gimp_colormap_editor_constructed (GObject *object)
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{
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GimpColormapEditor *editor = GIMP_COLORMAP_EDITOR (object);
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GdkModifierType extend_mask;
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GdkModifierType modify_mask;
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G_OBJECT_CLASS (parent_class)->constructed (object);
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/* Editor buttons. */
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extend_mask = gtk_widget_get_modifier_mask (GTK_WIDGET (object),
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GDK_MODIFIER_INTENT_EXTEND_SELECTION);
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modify_mask = gtk_widget_get_modifier_mask (GTK_WIDGET (object),
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GDK_MODIFIER_INTENT_MODIFY_SELECTION);
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gimp_editor_add_action_button (GIMP_EDITOR (editor), "colormap",
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"colormap-edit-color",
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NULL);
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gimp_editor_add_action_button (GIMP_EDITOR (editor), "colormap",
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"colormap-delete-color",
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NULL);
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gimp_editor_add_action_button (GIMP_EDITOR (editor), "colormap",
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"colormap-add-color-from-fg",
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"colormap-add-color-from-bg",
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gimp_get_toggle_behavior_mask (),
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NULL);
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gimp_editor_add_action_button (GIMP_EDITOR (editor), "colormap",
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"colormap-selection-replace",
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"colormap-selection-add",
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extend_mask,
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"colormap-selection-subtract",
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modify_mask,
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"colormap-selection-intersect",
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extend_mask | modify_mask,
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NULL);
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}
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static void
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gimp_colormap_editor_dispose (GObject *object)
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{
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GimpColormapEditor *editor = GIMP_COLORMAP_EDITOR (object);
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g_clear_pointer (&editor->color_dialog, gtk_widget_destroy);
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g_clear_weak_pointer (&editor->selection);
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G_OBJECT_CLASS (parent_class)->dispose (object);
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}
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static void
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gimp_colormap_editor_unmap (GtkWidget *widget)
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{
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GimpColormapEditor *editor = GIMP_COLORMAP_EDITOR (widget);
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if (editor->color_dialog)
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gtk_widget_hide (editor->color_dialog);
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GTK_WIDGET_CLASS (parent_class)->unmap (widget);
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}
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static void
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gimp_colormap_editor_set_context (GimpDocked *docked,
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GimpContext *context)
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{
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GimpColormapEditor *editor = GIMP_COLORMAP_EDITOR (docked);
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parent_docked_iface->set_context (docked, context);
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if (editor->selection)
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gtk_widget_destroy (editor->selection);
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editor->selection = NULL;
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/* Main selection widget. */
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if (context)
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{
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editor->selection = gimp_colormap_selection_new (context);
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g_set_weak_pointer (&editor->selection, editor->selection);
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gtk_box_pack_start (GTK_BOX (editor), editor->selection, TRUE, TRUE, 0);
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gtk_widget_show (editor->selection);
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g_signal_connect_swapped (editor->selection, "color-clicked",
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G_CALLBACK (gimp_colormap_editor_color_clicked),
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editor);
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g_signal_connect_swapped (editor->selection, "color-activated",
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G_CALLBACK (gimp_colormap_editor_edit_color),
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editor);
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g_signal_connect (editor->selection, "button-press-event",
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G_CALLBACK (gimp_colormap_editor_entry_button_press),
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editor);
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g_signal_connect (editor->selection, "popup-menu",
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G_CALLBACK (gimp_colormap_editor_entry_popup),
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editor);
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g_signal_connect (editor->selection, "notify::index",
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G_CALLBACK (gimp_colormap_editor_notify_index),
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editor);
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}
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}
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/* public functions */
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GtkWidget *
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gimp_colormap_editor_new (GimpMenuFactory *menu_factory)
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{
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g_return_val_if_fail (GIMP_IS_MENU_FACTORY (menu_factory), NULL);
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return g_object_new (GIMP_TYPE_COLORMAP_EDITOR,
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"menu-factory", menu_factory,
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"menu-identifier", "<Colormap>",
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"ui-path", "/colormap-popup",
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NULL);
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}
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void
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gimp_colormap_editor_edit_color (GimpColormapEditor *editor)
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{
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GimpImage *image;
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GeglColor *color;
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gchar *desc;
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gint index;
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g_return_if_fail (GIMP_IS_COLORMAP_EDITOR (editor));
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image = GIMP_IMAGE_EDITOR (editor)->image;
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index = gimp_colormap_selection_get_index (GIMP_COLORMAP_SELECTION (editor->selection),
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NULL);
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if (index == -1)
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/* No colormap. */
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return;
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color = gimp_image_get_colormap_entry (image, index);
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desc = g_strdup_printf (_("Edit colormap entry #%d"), index);
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if (! editor->color_dialog)
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{
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editor->color_dialog =
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gimp_color_dialog_new (GIMP_VIEWABLE (image),
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GIMP_IMAGE_EDITOR (editor)->context,
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FALSE,
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_("Edit Colormap Entry"),
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GIMP_ICON_COLORMAP,
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desc,
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GTK_WIDGET (editor),
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gimp_dialog_factory_get_singleton (),
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"gimp-colormap-editor-color-dialog",
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color, TRUE, FALSE);
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g_signal_connect (editor->color_dialog, "destroy",
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G_CALLBACK (gtk_widget_destroyed),
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&editor->color_dialog);
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g_signal_connect (editor->color_dialog, "update",
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G_CALLBACK (gimp_colormap_editor_color_update),
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editor);
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}
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else
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{
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gimp_viewable_dialog_set_viewables (GIMP_VIEWABLE_DIALOG (editor->color_dialog),
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g_list_prepend (NULL, image),
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GIMP_IMAGE_EDITOR (editor)->context);
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g_object_set (editor->color_dialog, "description", desc, NULL);
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gimp_color_dialog_set_color (GIMP_COLOR_DIALOG (editor->color_dialog), color);
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if (! gtk_widget_get_visible (editor->color_dialog))
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gimp_dialog_factory_position_dialog (gimp_dialog_factory_get_singleton (),
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"gimp-colormap-editor-color-dialog",
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editor->color_dialog,
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gimp_widget_get_monitor (GTK_WIDGET (editor)));
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}
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g_free (desc);
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gtk_window_present (GTK_WINDOW (editor->color_dialog));
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}
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void
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gimp_colormap_editor_delete_color (GimpColormapEditor *editor)
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{
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GimpColormapSelection *selection;
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GimpImage *image;
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gint index;
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g_return_if_fail (GIMP_IS_COLORMAP_EDITOR (editor));
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g_return_if_fail (gimp_colormap_editor_is_color_deletable (editor));
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image = GIMP_IMAGE_EDITOR (editor)->image;
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selection = GIMP_COLORMAP_SELECTION (editor->selection);
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index = gimp_colormap_selection_get_index (selection, NULL);
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gimp_image_delete_colormap_entry (image, index, TRUE);
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}
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gboolean
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gimp_colormap_editor_is_color_deletable (GimpColormapEditor *editor)
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{
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GimpColormapSelection *selection;
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GimpImage *image;
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gint index;
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g_return_val_if_fail (GIMP_IS_COLORMAP_EDITOR (editor), FALSE);
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image = GIMP_IMAGE_EDITOR (editor)->image;
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selection = GIMP_COLORMAP_SELECTION (editor->selection);
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index = gimp_colormap_selection_get_index (selection, NULL);
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if (index == -1)
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/* No colormap. */
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return FALSE;
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else
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return ! gimp_image_colormap_is_index_used (image, index);
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}
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gint
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gimp_colormap_editor_get_index (GimpColormapEditor *editor,
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GeglColor *search)
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{
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g_return_val_if_fail (GIMP_IS_COLORMAP_EDITOR (editor), 0);
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return gimp_colormap_selection_get_index (GIMP_COLORMAP_SELECTION (editor->selection), search);
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}
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gboolean
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gimp_colormap_editor_set_index (GimpColormapEditor *editor,
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gint index,
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GeglColor *color)
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{
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g_return_val_if_fail (GIMP_IS_COLORMAP_EDITOR (editor), FALSE);
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return gimp_colormap_selection_set_index (GIMP_COLORMAP_SELECTION (editor->selection), index, color);
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}
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gint
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gimp_colormap_editor_max_index (GimpColormapEditor *editor)
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{
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g_return_val_if_fail (GIMP_IS_COLORMAP_EDITOR (editor), -1);
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return gimp_colormap_selection_max_index (GIMP_COLORMAP_SELECTION (editor->selection));
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}
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static void
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gimp_colormap_editor_color_update (GimpColorDialog *dialog,
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GeglColor *color,
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GimpColorDialogState state,
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GimpColormapEditor *editor)
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{
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GimpImageEditor *image_editor = GIMP_IMAGE_EDITOR (editor);
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GimpImage *image = image_editor->image;
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gboolean push_undo = FALSE;
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switch (state)
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{
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case GIMP_COLOR_DIALOG_OK:
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{
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push_undo = TRUE;
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if (state & gimp_get_toggle_behavior_mask ())
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gimp_context_set_background (image_editor->context, color);
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else
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gimp_context_set_foreground (image_editor->context, color);
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}
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/* Fall through */
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case GIMP_COLOR_DIALOG_CANCEL:
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gtk_widget_hide (editor->color_dialog);
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break;
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case GIMP_COLOR_DIALOG_UPDATE:
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break;
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}
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if (image)
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{
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gint col_index;
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col_index = gimp_colormap_selection_get_index (GIMP_COLORMAP_SELECTION (editor->selection),
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NULL);
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if (push_undo)
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{
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GeglColor *old_color;
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old_color = gimp_color_selection_get_old_color (GIMP_COLOR_SELECTION (dialog->selection));
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/* Restore old color for undo */
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gimp_image_set_colormap_entry (image, col_index, old_color, FALSE);
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g_object_unref (old_color);
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}
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gimp_image_set_colormap_entry (image, col_index, color, push_undo);
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if (push_undo)
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gimp_image_flush (image);
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else
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gimp_projection_flush (gimp_image_get_projection (image));
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}
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}
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static gboolean
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gimp_colormap_editor_entry_button_press (GtkWidget *widget,
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GdkEvent *event,
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gpointer user_data)
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{
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if (gdk_event_triggers_context_menu (event))
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{
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gimp_editor_popup_menu_at_pointer (GIMP_EDITOR (user_data), event);
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return GDK_EVENT_STOP;
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}
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return GDK_EVENT_PROPAGATE;
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}
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static gboolean
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gimp_colormap_editor_entry_popup (GtkWidget *widget,
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gpointer user_data)
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{
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GimpColormapEditor *editor = GIMP_COLORMAP_EDITOR (user_data);
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GimpColormapSelection *selection = GIMP_COLORMAP_SELECTION (widget);
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GimpPaletteEntry *selected;
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GdkRectangle rect;
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selected = gimp_colormap_selection_get_selected_entry (selection);
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if (!selected)
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return GDK_EVENT_PROPAGATE;
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gimp_colormap_selection_get_entry_rect (selection, selected, &rect);
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return gimp_editor_popup_menu_at_rect (GIMP_EDITOR (editor),
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gtk_widget_get_window (widget),
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&rect, GDK_GRAVITY_CENTER, GDK_GRAVITY_NORTH_WEST,
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NULL);
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}
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static void
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gimp_colormap_editor_color_clicked (GimpColormapEditor *editor,
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GimpPaletteEntry *entry,
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GdkModifierType state)
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{
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GimpImageEditor *image_editor = GIMP_IMAGE_EDITOR (editor);
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if (state & gimp_get_toggle_behavior_mask ())
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gimp_context_set_background (image_editor->context, entry->color);
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else
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gimp_context_set_foreground (image_editor->context, entry->color);
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}
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static void
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gimp_colormap_editor_notify_index (GimpColormapSelection *selection,
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const GParamSpec *pspec,
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GimpColormapEditor *editor)
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{
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g_return_if_fail (GIMP_IS_COLORMAP_EDITOR (editor));
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gimp_editor_set_action_sensitive (GIMP_EDITOR (editor), "colormap",
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"colormap-delete-color",
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gimp_colormap_editor_is_color_deletable (editor),
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_("The color is used in this indexed image"));
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}
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