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-rw-r--r--app/widgets/gimpvectorstreeview.c281
1 files changed, 281 insertions, 0 deletions
diff --git a/app/widgets/gimpvectorstreeview.c b/app/widgets/gimpvectorstreeview.c
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+++ b/app/widgets/gimpvectorstreeview.c
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+/* GIMP - The GNU Image Manipulation Program
+ * Copyright (C) 1995 Spencer Kimball and Peter Mattis
+ *
+ * gimpvectorstreeview.c
+ * Copyright (C) 2001-2009 Michael Natterer <mitch@gimp.org>
+ *
+ * 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 <string.h>
+
+#include <gegl.h>
+#include <gtk/gtk.h>
+
+#include "libgimpwidgets/gimpwidgets.h"
+
+#include "widgets-types.h"
+
+#include "core/gimp.h"
+#include "core/gimpcontainer.h"
+#include "core/gimpcontext.h"
+#include "core/gimpimage.h"
+
+#include "vectors/gimpvectors.h"
+#include "vectors/gimpvectors-export.h"
+#include "vectors/gimpvectors-import.h"
+
+#include "gimpactiongroup.h"
+#include "gimpcontainerview.h"
+#include "gimpdnd.h"
+#include "gimphelp-ids.h"
+#include "gimpuimanager.h"
+#include "gimpvectorstreeview.h"
+#include "gimpwidgets-utils.h"
+
+#include "gimp-intl.h"
+
+
+static void gimp_vectors_tree_view_view_iface_init (GimpContainerViewInterface *iface);
+
+static void gimp_vectors_tree_view_constructed (GObject *object);
+
+static void gimp_vectors_tree_view_set_container (GimpContainerView *view,
+ GimpContainer *container);
+static void gimp_vectors_tree_view_drop_svg (GimpContainerTreeView *tree_view,
+ const gchar *svg_data,
+ gsize svg_data_len,
+ GimpViewable *dest_viewable,
+ GtkTreeViewDropPosition drop_pos);
+static GimpItem * gimp_vectors_tree_view_item_new (GimpImage *image);
+static guchar * gimp_vectors_tree_view_drag_svg (GtkWidget *widget,
+ gsize *svg_data_len,
+ gpointer data);
+
+
+G_DEFINE_TYPE_WITH_CODE (GimpVectorsTreeView, gimp_vectors_tree_view,
+ GIMP_TYPE_ITEM_TREE_VIEW,
+ G_IMPLEMENT_INTERFACE (GIMP_TYPE_CONTAINER_VIEW,
+ gimp_vectors_tree_view_view_iface_init))
+
+#define parent_class gimp_vectors_tree_view_parent_class
+
+static GimpContainerViewInterface *parent_view_iface = NULL;
+
+
+static void
+gimp_vectors_tree_view_class_init (GimpVectorsTreeViewClass *klass)
+{
+ GObjectClass *object_class = G_OBJECT_CLASS (klass);
+ GimpContainerTreeViewClass *view_class = GIMP_CONTAINER_TREE_VIEW_CLASS (klass);
+ GimpItemTreeViewClass *iv_class = GIMP_ITEM_TREE_VIEW_CLASS (klass);
+
+ object_class->constructed = gimp_vectors_tree_view_constructed;
+
+ view_class->drop_svg = gimp_vectors_tree_view_drop_svg;
+
+ iv_class->item_type = GIMP_TYPE_VECTORS;
+ iv_class->signal_name = "active-vectors-changed";
+
+ iv_class->get_container = gimp_image_get_vectors;
+ iv_class->get_active_item = (GimpGetItemFunc) gimp_image_get_active_vectors;
+ iv_class->set_active_item = (GimpSetItemFunc) gimp_image_set_active_vectors;
+ iv_class->add_item = (GimpAddItemFunc) gimp_image_add_vectors;
+ iv_class->remove_item = (GimpRemoveItemFunc) gimp_image_remove_vectors;
+ iv_class->new_item = gimp_vectors_tree_view_item_new;
+
+ iv_class->action_group = "vectors";
+ iv_class->activate_action = "vectors-edit";
+ iv_class->new_action = "vectors-new";
+ iv_class->new_default_action = "vectors-new-last-values";
+ iv_class->raise_action = "vectors-raise";
+ iv_class->raise_top_action = "vectors-raise-to-top";
+ iv_class->lower_action = "vectors-lower";
+ iv_class->lower_bottom_action = "vectors-lower-to-bottom";
+ iv_class->duplicate_action = "vectors-duplicate";
+ iv_class->delete_action = "vectors-delete";
+ iv_class->lock_content_icon_name = GIMP_ICON_TOOL_PATH;
+ iv_class->lock_content_tooltip = _("Lock path strokes");
+ iv_class->lock_content_help_id = GIMP_HELP_PATH_LOCK_STROKES;
+ iv_class->lock_position_icon_name = GIMP_ICON_TOOL_MOVE;
+ iv_class->lock_position_tooltip = _("Lock path position");
+ iv_class->lock_position_help_id = GIMP_HELP_PATH_LOCK_POSITION;
+}
+
+static void
+gimp_vectors_tree_view_view_iface_init (GimpContainerViewInterface *iface)
+{
+ parent_view_iface = g_type_interface_peek_parent (iface);
+
+ iface->set_container = gimp_vectors_tree_view_set_container;
+}
+
+static void
+gimp_vectors_tree_view_init (GimpVectorsTreeView *view)
+{
+}
+
+static void
+gimp_vectors_tree_view_constructed (GObject *object)
+{
+ GimpEditor *editor = GIMP_EDITOR (object);
+ GimpContainerTreeView *tree_view = GIMP_CONTAINER_TREE_VIEW (object);
+ GimpVectorsTreeView *view = GIMP_VECTORS_TREE_VIEW (object);
+ GdkModifierType extend_mask;
+ GdkModifierType modify_mask;
+
+ G_OBJECT_CLASS (parent_class)->constructed (object);
+
+ 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);
+
+ view->toselection_button =
+ gimp_editor_add_action_button (editor, "vectors",
+ "vectors-selection-replace",
+ "vectors-selection-add",
+ extend_mask,
+ "vectors-selection-subtract",
+ modify_mask,
+ "vectors-selection-intersect",
+ extend_mask | modify_mask,
+ NULL);
+ gimp_container_view_enable_dnd (GIMP_CONTAINER_VIEW (editor),
+ GTK_BUTTON (view->toselection_button),
+ GIMP_TYPE_VECTORS);
+ gtk_box_reorder_child (gimp_editor_get_button_box (editor),
+ view->toselection_button, 4);
+
+ view->tovectors_button =
+ gimp_editor_add_action_button (editor, "vectors",
+ "vectors-selection-to-vectors",
+ "vectors-selection-to-vectors-advanced",
+ GDK_SHIFT_MASK,
+ NULL);
+ gtk_box_reorder_child (gimp_editor_get_button_box (editor),
+ view->tovectors_button, 5);
+
+ view->stroke_button =
+ gimp_editor_add_action_button (editor, "vectors",
+ "vectors-stroke",
+ "vectors-stroke-last-values",
+ GDK_SHIFT_MASK,
+ NULL);
+ gimp_container_view_enable_dnd (GIMP_CONTAINER_VIEW (editor),
+ GTK_BUTTON (view->stroke_button),
+ GIMP_TYPE_VECTORS);
+ gtk_box_reorder_child (gimp_editor_get_button_box (editor),
+ view->stroke_button, 6);
+
+ gimp_dnd_svg_dest_add (GTK_WIDGET (tree_view->view), NULL, view);
+}
+
+static void
+gimp_vectors_tree_view_set_container (GimpContainerView *view,
+ GimpContainer *container)
+{
+ GimpContainerTreeView *tree_view = GIMP_CONTAINER_TREE_VIEW (view);
+ GimpContainer *old_container;
+
+ old_container = gimp_container_view_get_container (GIMP_CONTAINER_VIEW (view));
+
+ if (old_container && ! container)
+ {
+ gimp_dnd_svg_source_remove (GTK_WIDGET (tree_view->view));
+ }
+
+ parent_view_iface->set_container (view, container);
+
+ if (! old_container && container)
+ {
+ gimp_dnd_svg_source_add (GTK_WIDGET (tree_view->view),
+ gimp_vectors_tree_view_drag_svg,
+ tree_view);
+ }
+}
+
+static void
+gimp_vectors_tree_view_drop_svg (GimpContainerTreeView *tree_view,
+ const gchar *svg_data,
+ gsize svg_data_len,
+ GimpViewable *dest_viewable,
+ GtkTreeViewDropPosition drop_pos)
+{
+ GimpItemTreeView *item_view = GIMP_ITEM_TREE_VIEW (tree_view);
+ GimpImage *image = gimp_item_tree_view_get_image (item_view);
+ GimpVectors *parent;
+ gint index;
+ GError *error = NULL;
+
+ if (image->gimp->be_verbose)
+ g_print ("%s: SVG dropped (len = %d)\n", G_STRFUNC, (gint) svg_data_len);
+
+ index = gimp_item_tree_view_get_drop_index (item_view, dest_viewable,
+ drop_pos,
+ (GimpViewable **) &parent);
+
+ if (! gimp_vectors_import_buffer (image, svg_data, svg_data_len,
+ TRUE, FALSE, parent, index, NULL, &error))
+ {
+ gimp_message_literal (image->gimp,
+ G_OBJECT (tree_view), GIMP_MESSAGE_ERROR,
+ error->message);
+ g_clear_error (&error);
+ }
+ else
+ {
+ gimp_image_flush (image);
+ }
+}
+
+static GimpItem *
+gimp_vectors_tree_view_item_new (GimpImage *image)
+{
+ GimpVectors *new_vectors;
+
+ new_vectors = gimp_vectors_new (image, _("Path"));
+
+ gimp_image_add_vectors (image, new_vectors,
+ GIMP_IMAGE_ACTIVE_PARENT, -1, TRUE);
+
+ return GIMP_ITEM (new_vectors);
+}
+
+static guchar *
+gimp_vectors_tree_view_drag_svg (GtkWidget *widget,
+ gsize *svg_data_len,
+ gpointer data)
+{
+ GimpItemTreeView *view = GIMP_ITEM_TREE_VIEW (data);
+ GimpImage *image = gimp_item_tree_view_get_image (view);
+ GimpItem *item;
+ gchar *svg_data = NULL;
+
+ item = GIMP_ITEM_TREE_VIEW_GET_CLASS (view)->get_active_item (image);
+
+ *svg_data_len = 0;
+
+ if (item)
+ {
+ svg_data = gimp_vectors_export_string (image, GIMP_VECTORS (item));
+
+ if (svg_data)
+ *svg_data_len = strlen (svg_data);
+ }
+
+ return (guchar *) svg_data;
+}
generated by cgit v1.2.3 (git 2.39.1) at 2024-11-11 15:10:56 +0000