635 lines
22 KiB
C
635 lines
22 KiB
C
/* PIKA - Photo and Image Kooker Application
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* a rebranding of The GNU Image Manipulation Program (created with heckimp)
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* A derived work which may be trivial. However, any changes may be (C)2023 by Aldercone Studio
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*
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* Original copyright, applying to most contents (license remains unchanged):
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* Copyright (C) 1995 Spencer Kimball and Peter Mattis
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*
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* pikacomponenteditor.c
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* Copyright (C) 2003-2005 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 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 "libpikabase/pikabase.h"
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#include "libpikawidgets/pikawidgets.h"
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#include "widgets-types.h"
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#include "core/pikachannel.h"
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#include "core/pikaimage.h"
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#include "pikacellrendererviewable.h"
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#include "pikacomponenteditor.h"
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#include "pikadnd.h"
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#include "pikadocked.h"
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#include "pikamenufactory.h"
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#include "pikaviewrendererimage.h"
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#include "pikawidgets-utils.h"
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#include "pika-intl.h"
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enum
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{
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COLUMN_CHANNEL,
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COLUMN_VISIBLE,
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COLUMN_RENDERER,
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COLUMN_NAME,
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N_COLUMNS
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};
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static void pika_component_editor_docked_iface_init (PikaDockedInterface *iface);
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static void pika_component_editor_set_context (PikaDocked *docked,
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PikaContext *context);
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static void pika_component_editor_set_image (PikaImageEditor *editor,
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PikaImage *image);
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static void pika_component_editor_create_components (PikaComponentEditor *editor);
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static void pika_component_editor_clear_components (PikaComponentEditor *editor);
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static void pika_component_editor_clicked (GtkCellRendererToggle *cellrenderertoggle,
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gchar *path,
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GdkModifierType state,
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PikaComponentEditor *editor);
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static gboolean pika_component_editor_select (GtkTreeSelection *selection,
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GtkTreeModel *model,
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GtkTreePath *path,
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gboolean path_currently_selected,
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gpointer data);
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static gboolean pika_component_editor_button_press (GtkWidget *widget,
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GdkEventButton *bevent,
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PikaComponentEditor *editor);
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static void pika_component_editor_renderer_update (PikaViewRenderer *renderer,
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PikaComponentEditor *editor);
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static void pika_component_editor_mode_changed (PikaImage *image,
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PikaComponentEditor *editor);
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static void pika_component_editor_alpha_changed (PikaImage *image,
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PikaComponentEditor *editor);
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static void pika_component_editor_visibility_changed(PikaImage *image,
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PikaChannelType channel,
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PikaComponentEditor *editor);
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static void pika_component_editor_active_changed (PikaImage *image,
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PikaChannelType channel,
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PikaComponentEditor *editor);
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static PikaImage * pika_component_editor_drag_component (GtkWidget *widget,
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PikaContext **context,
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PikaChannelType *channel,
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gpointer data);
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G_DEFINE_TYPE_WITH_CODE (PikaComponentEditor, pika_component_editor,
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PIKA_TYPE_IMAGE_EDITOR,
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G_IMPLEMENT_INTERFACE (PIKA_TYPE_DOCKED,
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pika_component_editor_docked_iface_init))
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#define parent_class pika_component_editor_parent_class
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static PikaDockedInterface *parent_docked_iface = NULL;
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static void
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pika_component_editor_class_init (PikaComponentEditorClass *klass)
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{
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PikaImageEditorClass *image_editor_class = PIKA_IMAGE_EDITOR_CLASS (klass);
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image_editor_class->set_image = pika_component_editor_set_image;
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}
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static void
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pika_component_editor_init (PikaComponentEditor *editor)
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{
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GtkWidget *frame;
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GtkListStore *list;
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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_start (GTK_BOX (editor), frame, FALSE, FALSE, 0);
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gtk_widget_show (frame);
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list = gtk_list_store_new (N_COLUMNS,
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G_TYPE_INT,
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G_TYPE_BOOLEAN,
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PIKA_TYPE_VIEW_RENDERER,
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G_TYPE_STRING);
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editor->model = GTK_TREE_MODEL (list);
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editor->view = GTK_TREE_VIEW (gtk_tree_view_new_with_model (editor->model));
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g_object_unref (list);
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gtk_tree_view_set_headers_visible (editor->view, FALSE);
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editor->eye_column = gtk_tree_view_column_new ();
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gtk_tree_view_append_column (editor->view, editor->eye_column);
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editor->eye_cell = pika_cell_renderer_toggle_new (PIKA_ICON_VISIBLE);
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gtk_tree_view_column_pack_start (editor->eye_column, editor->eye_cell,
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FALSE);
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gtk_tree_view_column_set_attributes (editor->eye_column, editor->eye_cell,
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"active", COLUMN_VISIBLE,
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NULL);
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g_signal_connect (editor->eye_cell, "clicked",
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G_CALLBACK (pika_component_editor_clicked),
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editor);
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editor->renderer_cell = pika_cell_renderer_viewable_new ();
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gtk_tree_view_insert_column_with_attributes (editor->view,
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-1, NULL,
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editor->renderer_cell,
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"renderer", COLUMN_RENDERER,
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NULL);
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gtk_tree_view_insert_column_with_attributes (editor->view,
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-1, NULL,
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gtk_cell_renderer_text_new (),
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"text", COLUMN_NAME,
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NULL);
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gtk_container_add (GTK_CONTAINER (frame), GTK_WIDGET (editor->view));
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gtk_widget_show (GTK_WIDGET (editor->view));
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g_signal_connect (editor->view, "button-press-event",
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G_CALLBACK (pika_component_editor_button_press),
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editor);
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editor->selection = gtk_tree_view_get_selection (editor->view);
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gtk_tree_selection_set_mode (editor->selection, GTK_SELECTION_MULTIPLE);
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gtk_tree_selection_set_select_function (editor->selection,
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pika_component_editor_select,
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editor, NULL);
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pika_dnd_component_source_add (GTK_WIDGET (editor->view),
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pika_component_editor_drag_component,
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editor);
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}
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static void
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pika_component_editor_docked_iface_init (PikaDockedInterface *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 (PIKA_TYPE_DOCKED);
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iface->set_context = pika_component_editor_set_context;
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}
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static void
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pika_component_editor_set_context (PikaDocked *docked,
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PikaContext *context)
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{
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PikaComponentEditor *editor = PIKA_COMPONENT_EDITOR (docked);
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GtkTreeIter iter;
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gboolean iter_valid;
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parent_docked_iface->set_context (docked, context);
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for (iter_valid = gtk_tree_model_get_iter_first (editor->model, &iter);
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iter_valid;
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iter_valid = gtk_tree_model_iter_next (editor->model, &iter))
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{
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PikaViewRenderer *renderer;
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gtk_tree_model_get (editor->model, &iter,
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COLUMN_RENDERER, &renderer,
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-1);
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pika_view_renderer_set_context (renderer, context);
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g_object_unref (renderer);
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}
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}
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static void
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pika_component_editor_set_image (PikaImageEditor *editor,
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PikaImage *image)
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{
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PikaComponentEditor *component_editor = PIKA_COMPONENT_EDITOR (editor);
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if (editor->image)
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{
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pika_component_editor_clear_components (component_editor);
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g_signal_handlers_disconnect_by_func (editor->image,
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pika_component_editor_mode_changed,
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component_editor);
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g_signal_handlers_disconnect_by_func (editor->image,
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pika_component_editor_alpha_changed,
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component_editor);
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g_signal_handlers_disconnect_by_func (editor->image,
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pika_component_editor_visibility_changed,
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component_editor);
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g_signal_handlers_disconnect_by_func (editor->image,
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pika_component_editor_active_changed,
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component_editor);
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}
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PIKA_IMAGE_EDITOR_CLASS (parent_class)->set_image (editor, image);
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if (editor->image)
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{
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pika_component_editor_create_components (component_editor);
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g_signal_connect (editor->image, "mode-changed",
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G_CALLBACK (pika_component_editor_mode_changed),
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component_editor);
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g_signal_connect (editor->image, "alpha-changed",
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G_CALLBACK (pika_component_editor_alpha_changed),
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component_editor);
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g_signal_connect (editor->image, "component-visibility-changed",
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G_CALLBACK (pika_component_editor_visibility_changed),
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component_editor);
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g_signal_connect (editor->image, "component-active-changed",
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G_CALLBACK (pika_component_editor_active_changed),
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component_editor);
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}
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}
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GtkWidget *
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pika_component_editor_new (gint view_size,
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PikaMenuFactory *menu_factory)
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{
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PikaComponentEditor *editor;
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g_return_val_if_fail (view_size > 0 &&
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view_size <= PIKA_VIEWABLE_MAX_PREVIEW_SIZE, NULL);
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g_return_val_if_fail (PIKA_IS_MENU_FACTORY (menu_factory), NULL);
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editor = g_object_new (PIKA_TYPE_COMPONENT_EDITOR,
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"menu-factory", menu_factory,
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"menu-identifier", "<Channels>",
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"ui-path", "/channels-popup",
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NULL);
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pika_component_editor_set_view_size (editor, view_size);
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return GTK_WIDGET (editor);
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}
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void
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pika_component_editor_set_view_size (PikaComponentEditor *editor,
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gint view_size)
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{
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GtkWidget *tree_widget;
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GtkStyleContext *tree_style;
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GtkBorder border;
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GtkTreeIter iter;
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gboolean iter_valid;
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gint icon_size;
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g_return_if_fail (PIKA_IS_COMPONENT_EDITOR (editor));
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g_return_if_fail (view_size > 0 &&
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view_size <= PIKA_VIEWABLE_MAX_PREVIEW_SIZE);
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tree_widget = GTK_WIDGET (editor->view);
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tree_style = gtk_widget_get_style_context (tree_widget);
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gtk_style_context_save (tree_style);
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gtk_style_context_add_class (tree_style, GTK_STYLE_CLASS_BUTTON);
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gtk_style_context_get_border (tree_style, 0, &border);
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gtk_style_context_restore (tree_style);
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g_object_get (editor->eye_cell, "icon-size", &icon_size, NULL);
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icon_size = MIN (icon_size, MAX (view_size - (border.left + border.right),
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view_size - (border.top + border.bottom)));
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g_object_set (editor->eye_cell, "icon-size", icon_size, NULL);
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for (iter_valid = gtk_tree_model_get_iter_first (editor->model, &iter);
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iter_valid;
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iter_valid = gtk_tree_model_iter_next (editor->model, &iter))
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{
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PikaViewRenderer *renderer;
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gtk_tree_model_get (editor->model, &iter,
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COLUMN_RENDERER, &renderer,
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-1);
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pika_view_renderer_set_size (renderer, view_size, 1);
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g_object_unref (renderer);
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}
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editor->view_size = view_size;
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gtk_tree_view_columns_autosize (editor->view);
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}
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static void
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pika_component_editor_create_components (PikaComponentEditor *editor)
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{
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PikaImage *image = PIKA_IMAGE_EDITOR (editor)->image;
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gint n_components = 0;
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PikaChannelType components[MAX_CHANNELS];
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GEnumClass *enum_class;
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gint i;
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switch (pika_image_get_base_type (image))
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{
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case PIKA_RGB:
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n_components = 3;
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components[0] = PIKA_CHANNEL_RED;
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components[1] = PIKA_CHANNEL_GREEN;
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components[2] = PIKA_CHANNEL_BLUE;
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break;
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case PIKA_GRAY:
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n_components = 1;
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components[0] = PIKA_CHANNEL_GRAY;
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break;
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case PIKA_INDEXED:
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n_components = 1;
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components[0] = PIKA_CHANNEL_INDEXED;
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break;
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}
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if (pika_image_has_alpha (image))
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components[n_components++] = PIKA_CHANNEL_ALPHA;
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enum_class = g_type_class_ref (PIKA_TYPE_CHANNEL_TYPE);
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for (i = 0; i < n_components; i++)
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{
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PikaViewRenderer *renderer;
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GtkTreeIter iter;
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GEnumValue *enum_value;
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const gchar *desc;
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gboolean visible;
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visible = pika_image_get_component_visible (image, components[i]);
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renderer = pika_view_renderer_new (PIKA_IMAGE_EDITOR (editor)->context,
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G_TYPE_FROM_INSTANCE (image),
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editor->view_size, 1, FALSE);
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pika_view_renderer_set_viewable (renderer, PIKA_VIEWABLE (image));
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pika_view_renderer_remove_idle (renderer);
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PIKA_VIEW_RENDERER_IMAGE (renderer)->channel = components[i];
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g_signal_connect (renderer, "update",
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G_CALLBACK (pika_component_editor_renderer_update),
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editor);
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enum_value = g_enum_get_value (enum_class, components[i]);
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desc = pika_enum_value_get_desc (enum_class, enum_value);
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gtk_list_store_append (GTK_LIST_STORE (editor->model), &iter);
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gtk_list_store_set (GTK_LIST_STORE (editor->model), &iter,
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COLUMN_CHANNEL, components[i],
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COLUMN_VISIBLE, visible,
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COLUMN_RENDERER, renderer,
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COLUMN_NAME, desc,
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-1);
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g_object_unref (renderer);
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if (pika_image_get_component_active (image, components[i]))
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gtk_tree_selection_select_iter (editor->selection, &iter);
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}
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g_type_class_unref (enum_class);
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}
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static void
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pika_component_editor_clear_components (PikaComponentEditor *editor)
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{
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gtk_list_store_clear (GTK_LIST_STORE (editor->model));
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/* Clear the renderer so that it don't reference the viewable.
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* See bug #149906.
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*/
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g_object_set (editor->renderer_cell, "renderer", NULL, NULL);
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}
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static void
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pika_component_editor_clicked (GtkCellRendererToggle *cellrenderertoggle,
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gchar *path_str,
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GdkModifierType state,
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PikaComponentEditor *editor)
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{
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GtkTreePath *path;
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GtkTreeIter iter;
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path = gtk_tree_path_new_from_string (path_str);
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if (gtk_tree_model_get_iter (editor->model, &iter, path))
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{
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PikaImage *image = PIKA_IMAGE_EDITOR (editor)->image;
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PikaChannelType channel;
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gboolean active;
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gtk_tree_model_get (editor->model, &iter,
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COLUMN_CHANNEL, &channel,
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-1);
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g_object_get (cellrenderertoggle,
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"active", &active,
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NULL);
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pika_image_set_component_visible (image, channel, !active);
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pika_image_flush (image);
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}
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gtk_tree_path_free (path);
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}
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static gboolean
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pika_component_editor_select (GtkTreeSelection *selection,
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GtkTreeModel *model,
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GtkTreePath *path,
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gboolean path_currently_selected,
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gpointer data)
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{
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PikaComponentEditor *editor = PIKA_COMPONENT_EDITOR (data);
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GtkTreeIter iter;
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PikaChannelType channel;
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gboolean active;
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gtk_tree_model_get_iter (editor->model, &iter, path);
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gtk_tree_model_get (editor->model, &iter,
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COLUMN_CHANNEL, &channel,
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-1);
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active = pika_image_get_component_active (PIKA_IMAGE_EDITOR (editor)->image,
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channel);
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return active != path_currently_selected;
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}
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static gboolean
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pika_component_editor_button_press (GtkWidget *widget,
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GdkEventButton *bevent,
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PikaComponentEditor *editor)
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{
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GtkTreeViewColumn *column;
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GtkTreePath *path;
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editor->clicked_component = -1;
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if (gtk_tree_view_get_path_at_pos (GTK_TREE_VIEW (widget),
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bevent->x,
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bevent->y,
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&path, &column, NULL, NULL))
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{
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GtkTreeIter iter;
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PikaChannelType channel;
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gboolean active;
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active = gtk_tree_selection_path_is_selected (editor->selection, path);
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gtk_tree_model_get_iter (editor->model, &iter, path);
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gtk_tree_path_free (path);
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gtk_tree_model_get (editor->model, &iter,
|
|
COLUMN_CHANNEL, &channel,
|
|
-1);
|
|
|
|
editor->clicked_component = channel;
|
|
|
|
if (gdk_event_triggers_context_menu ((GdkEvent *) bevent))
|
|
{
|
|
pika_editor_popup_menu_at_pointer (PIKA_EDITOR (editor), (GdkEvent *) bevent);
|
|
}
|
|
else if (bevent->type == GDK_BUTTON_PRESS && bevent->button == 1 &&
|
|
column != editor->eye_column)
|
|
{
|
|
PikaImage *image = PIKA_IMAGE_EDITOR (editor)->image;
|
|
|
|
pika_image_set_component_active (image, channel, ! active);
|
|
pika_image_flush (image);
|
|
}
|
|
}
|
|
|
|
return FALSE;
|
|
}
|
|
|
|
static gboolean
|
|
pika_component_editor_get_iter (PikaComponentEditor *editor,
|
|
PikaChannelType channel,
|
|
GtkTreeIter *iter)
|
|
{
|
|
gint index;
|
|
|
|
index = pika_image_get_component_index (PIKA_IMAGE_EDITOR (editor)->image,
|
|
channel);
|
|
|
|
if (index != -1)
|
|
return gtk_tree_model_iter_nth_child (editor->model, iter, NULL, index);
|
|
|
|
return FALSE;
|
|
}
|
|
|
|
static void
|
|
pika_component_editor_renderer_update (PikaViewRenderer *renderer,
|
|
PikaComponentEditor *editor)
|
|
{
|
|
PikaChannelType channel = PIKA_VIEW_RENDERER_IMAGE (renderer)->channel;
|
|
GtkTreeIter iter;
|
|
|
|
if (pika_component_editor_get_iter (editor, channel, &iter))
|
|
{
|
|
GtkTreePath *path;
|
|
|
|
path = gtk_tree_model_get_path (editor->model, &iter);
|
|
gtk_tree_model_row_changed (editor->model, path, &iter);
|
|
gtk_tree_path_free (path);
|
|
}
|
|
}
|
|
|
|
static void
|
|
pika_component_editor_mode_changed (PikaImage *image,
|
|
PikaComponentEditor *editor)
|
|
{
|
|
pika_component_editor_clear_components (editor);
|
|
pika_component_editor_create_components (editor);
|
|
}
|
|
|
|
static void
|
|
pika_component_editor_alpha_changed (PikaImage *image,
|
|
PikaComponentEditor *editor)
|
|
{
|
|
pika_component_editor_clear_components (editor);
|
|
pika_component_editor_create_components (editor);
|
|
}
|
|
|
|
static void
|
|
pika_component_editor_visibility_changed (PikaImage *image,
|
|
PikaChannelType channel,
|
|
PikaComponentEditor *editor)
|
|
{
|
|
GtkTreeIter iter;
|
|
|
|
if (pika_component_editor_get_iter (editor, channel, &iter))
|
|
{
|
|
gboolean visible = pika_image_get_component_visible (image, channel);
|
|
|
|
gtk_list_store_set (GTK_LIST_STORE (editor->model), &iter,
|
|
COLUMN_VISIBLE, visible,
|
|
-1);
|
|
}
|
|
}
|
|
|
|
static void
|
|
pika_component_editor_active_changed (PikaImage *image,
|
|
PikaChannelType channel,
|
|
PikaComponentEditor *editor)
|
|
{
|
|
GtkTreeIter iter;
|
|
|
|
if (pika_component_editor_get_iter (editor, channel, &iter))
|
|
{
|
|
gboolean active = pika_image_get_component_active (image, channel);
|
|
|
|
if (gtk_tree_selection_iter_is_selected (editor->selection, &iter) !=
|
|
active)
|
|
{
|
|
if (active)
|
|
gtk_tree_selection_select_iter (editor->selection, &iter);
|
|
else
|
|
gtk_tree_selection_unselect_iter (editor->selection, &iter);
|
|
}
|
|
}
|
|
}
|
|
|
|
static PikaImage *
|
|
pika_component_editor_drag_component (GtkWidget *widget,
|
|
PikaContext **context,
|
|
PikaChannelType *channel,
|
|
gpointer data)
|
|
{
|
|
PikaComponentEditor *editor = PIKA_COMPONENT_EDITOR (data);
|
|
|
|
if (PIKA_IMAGE_EDITOR (editor)->image &&
|
|
editor->clicked_component != -1)
|
|
{
|
|
if (channel)
|
|
*channel = editor->clicked_component;
|
|
|
|
if (context)
|
|
*context = PIKA_IMAGE_EDITOR (editor)->context;
|
|
|
|
return PIKA_IMAGE_EDITOR (editor)->image;
|
|
}
|
|
|
|
return NULL;
|
|
}
|
