mirror of https://github.com/GNOME/gimp.git
248 lines
9.0 KiB
C
248 lines
9.0 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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* gimpbrushfactoryview.c
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* Copyright (C) 2001 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 "libgimpwidgets/gimpwidgets.h"
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#include "widgets-types.h"
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#include "core/gimpcontainer.h"
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#include "core/gimpcontext.h"
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#include "core/gimpbrush.h"
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#include "core/gimpbrushgenerated.h"
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#include "core/gimpdatafactory.h"
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#include "gimpbrushfactoryview.h"
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#include "gimpcontainerview.h"
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#include "gimpmenufactory.h"
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#include "gimpspinscale.h"
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#include "gimpviewrenderer.h"
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#include "gimp-intl.h"
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static void gimp_brush_factory_view_dispose (GObject *object);
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static void gimp_brush_factory_view_select_item (GimpContainerEditor *editor,
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GimpViewable *viewable);
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static void gimp_brush_factory_view_spacing_changed (GimpBrush *brush,
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GimpBrushFactoryView *view);
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static void gimp_brush_factory_view_spacing_update (GtkAdjustment *adjustment,
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GimpBrushFactoryView *view);
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G_DEFINE_TYPE (GimpBrushFactoryView, gimp_brush_factory_view,
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GIMP_TYPE_DATA_FACTORY_VIEW)
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#define parent_class gimp_brush_factory_view_parent_class
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static void
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gimp_brush_factory_view_class_init (GimpBrushFactoryViewClass *klass)
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{
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GObjectClass *object_class = G_OBJECT_CLASS (klass);
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GimpContainerEditorClass *editor_class = GIMP_CONTAINER_EDITOR_CLASS (klass);
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object_class->dispose = gimp_brush_factory_view_dispose;
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editor_class->select_item = gimp_brush_factory_view_select_item;
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}
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static void
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gimp_brush_factory_view_init (GimpBrushFactoryView *view)
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{
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view->spacing_adjustment = gtk_adjustment_new (0.0, 1.0, 5000.0,
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1.0, 10.0, 0.0);
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view->spacing_scale = gimp_spin_scale_new (view->spacing_adjustment,
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_("Spacing"), 1);
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gimp_spin_scale_set_scale_limits (GIMP_SPIN_SCALE (view->spacing_scale),
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1.0, 200.0);
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gimp_help_set_help_data (view->spacing_scale,
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_("Percentage of width of brush"),
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NULL);
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g_signal_connect (view->spacing_adjustment, "value-changed",
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G_CALLBACK (gimp_brush_factory_view_spacing_update),
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view);
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}
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static void
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gimp_brush_factory_view_dispose (GObject *object)
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{
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GimpBrushFactoryView *view = GIMP_BRUSH_FACTORY_VIEW (object);
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GimpContainerEditor *editor = GIMP_CONTAINER_EDITOR (object);
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if (view->spacing_changed_handler_id)
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{
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GimpDataFactory *factory;
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GimpContainer *container;
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factory = gimp_data_factory_view_get_data_factory (GIMP_DATA_FACTORY_VIEW (editor));
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container = gimp_data_factory_get_container (factory);
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gimp_container_remove_handler (container,
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view->spacing_changed_handler_id);
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view->spacing_changed_handler_id = 0;
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}
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G_OBJECT_CLASS (parent_class)->dispose (object);
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}
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GtkWidget *
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gimp_brush_factory_view_new (GimpViewType view_type,
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GimpDataFactory *factory,
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GimpContext *context,
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gboolean change_brush_spacing,
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gint view_size,
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gint view_border_width,
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GimpMenuFactory *menu_factory)
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{
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GimpBrushFactoryView *factory_view;
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GimpContainerEditor *editor;
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g_return_val_if_fail (GIMP_IS_DATA_FACTORY (factory), NULL);
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g_return_val_if_fail (GIMP_IS_CONTEXT (context), NULL);
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g_return_val_if_fail (view_size > 0 &&
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view_size <= GIMP_VIEWABLE_MAX_PREVIEW_SIZE, NULL);
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g_return_val_if_fail (view_border_width >= 0 &&
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view_border_width <= GIMP_VIEW_MAX_BORDER_WIDTH,
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NULL);
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g_return_val_if_fail (menu_factory == NULL ||
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GIMP_IS_MENU_FACTORY (menu_factory), NULL);
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factory_view = g_object_new (GIMP_TYPE_BRUSH_FACTORY_VIEW,
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"view-type", view_type,
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"data-factory", factory,
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"context", context,
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"view-size", view_size,
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"view-border-width", view_border_width,
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"menu-factory", menu_factory,
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"menu-identifier", "<Brushes>",
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"ui-path", "/brushes-popup",
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"action-group", "brushes",
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NULL);
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factory_view->change_brush_spacing = change_brush_spacing;
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editor = GIMP_CONTAINER_EDITOR (factory_view);
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gtk_box_pack_end (GTK_BOX (editor->view), factory_view->spacing_scale,
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FALSE, FALSE, 0);
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gtk_widget_show (factory_view->spacing_scale);
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factory_view->spacing_changed_handler_id =
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gimp_container_add_handler (gimp_data_factory_get_container (factory), "spacing-changed",
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G_CALLBACK (gimp_brush_factory_view_spacing_changed),
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factory_view);
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return GTK_WIDGET (factory_view);
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}
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static void
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gimp_brush_factory_view_select_item (GimpContainerEditor *editor,
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GimpViewable *viewable)
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{
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GimpBrushFactoryView *view = GIMP_BRUSH_FACTORY_VIEW (editor);
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GimpContainer *container;
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gboolean spacing_sensitive = FALSE;
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if (GIMP_CONTAINER_EDITOR_CLASS (parent_class)->select_item)
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GIMP_CONTAINER_EDITOR_CLASS (parent_class)->select_item (editor, viewable);
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container = gimp_container_view_get_container (editor->view);
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if (viewable && gimp_container_have (container, GIMP_OBJECT (viewable)))
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{
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GimpBrush *brush = GIMP_BRUSH (viewable);
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spacing_sensitive = TRUE;
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g_signal_handlers_block_by_func (view->spacing_adjustment,
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gimp_brush_factory_view_spacing_update,
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view);
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gtk_adjustment_set_value (view->spacing_adjustment,
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gimp_brush_get_spacing (brush));
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g_signal_handlers_unblock_by_func (view->spacing_adjustment,
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gimp_brush_factory_view_spacing_update,
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view);
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}
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gtk_widget_set_sensitive (view->spacing_scale, spacing_sensitive);
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}
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static void
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gimp_brush_factory_view_spacing_changed (GimpBrush *brush,
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GimpBrushFactoryView *view)
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{
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GimpContainerEditor *editor = GIMP_CONTAINER_EDITOR (view);
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GimpContext *context;
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context = gimp_container_view_get_context (editor->view);
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if (brush == gimp_context_get_brush (context))
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{
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g_signal_handlers_block_by_func (view->spacing_adjustment,
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gimp_brush_factory_view_spacing_update,
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view);
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gtk_adjustment_set_value (view->spacing_adjustment,
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gimp_brush_get_spacing (brush));
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g_signal_handlers_unblock_by_func (view->spacing_adjustment,
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gimp_brush_factory_view_spacing_update,
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view);
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}
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}
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static void
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gimp_brush_factory_view_spacing_update (GtkAdjustment *adjustment,
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GimpBrushFactoryView *view)
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{
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GimpContainerEditor *editor = GIMP_CONTAINER_EDITOR (view);
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GimpContext *context;
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GimpBrush *brush;
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context = gimp_container_view_get_context (editor->view);
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brush = gimp_context_get_brush (context);
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if (brush && view->change_brush_spacing)
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{
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g_signal_handlers_block_by_func (brush,
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gimp_brush_factory_view_spacing_changed,
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view);
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gimp_brush_set_spacing (brush, gtk_adjustment_get_value (adjustment));
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g_signal_handlers_unblock_by_func (brush,
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gimp_brush_factory_view_spacing_changed,
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view);
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}
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}
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