vectors-commands.c 16.8 KB
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/* The GIMP -- an image manipulation program
 * Copyright (C) 1995 Spencer Kimball and Peter Mattis
 *
 * This program is free software; you can redistribute it and/or modify
 * it under the terms of the GNU General Public License as published by
 * the Free Software Foundation; either version 2 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, write to the Free Software
 * Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA.
 */

#include "config.h"

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#include <string.h>

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#include <gtk/gtk.h>

#include "libgimpwidgets/gimpwidgets.h"

#include "gui-types.h"

#include "core/gimp.h"
#include "core/gimpchannel.h"
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#include "core/gimpcontext.h"
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#include "core/gimpimage.h"
#include "core/gimpimage-mask.h"
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#include "core/gimpimage-mask-select.h"
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#include "core/gimpimage-undo-push.h"
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#include "core/gimplist.h"
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#include "core/gimppaintinfo.h"
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#include "core/gimptoolinfo.h"
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#include "paint/gimppaintcore.h"
#include "paint/gimppaintcore-stroke.h"

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#include "vectors/gimpvectors.h"

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#include "widgets/gimpitemlistview.h"
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#include "widgets/gimpviewabledialog.h"
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#include "display/gimpdisplay.h"

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#include "tools/gimppainttool.h"
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#include "tools/gimpvectortool.h"
#include "tools/tool_manager.h"

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#include "vectors-commands.h"

#include "libgimp/gimpintl.h"


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#define return_if_no_image(gimage,data) \
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  if (GIMP_IS_DISPLAY (data)) \
    gimage = ((GimpDisplay *) data)->gimage; \
  else if (GIMP_IS_GIMP (data)) \
    gimage = gimp_context_get_image (gimp_get_user_context (GIMP (data))); \
  else if (GIMP_IS_ITEM_LIST_VIEW (data)) \
    gimage = ((GimpItemListView *) data)->gimage; \
  else \
    gimage = NULL; \
  \
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  if (! gimage) \
    return

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#define return_if_no_vectors(gimage,vectors,data) \
  return_if_no_image (gimage,data); \
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  vectors = gimp_image_get_active_vectors (gimage); \
  if (! vectors) \
    return


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/*  public functions  */

void
vectors_new_vectors_cmd_callback (GtkWidget *widget,
                                  gpointer   data)
{
  GimpImage *gimage;
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  return_if_no_image (gimage, data);
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  vectors_new_vectors_query (gimage, NULL, TRUE);
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}

void
vectors_raise_vectors_cmd_callback (GtkWidget *widget,
                                    gpointer   data)
{
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  GimpImage   *gimage;
  GimpVectors *active_vectors;
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  return_if_no_vectors (gimage, active_vectors, data);
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  gimp_image_raise_vectors (gimage, active_vectors);
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  gimp_image_flush (gimage);
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}

void
vectors_lower_vectors_cmd_callback (GtkWidget *widget,
                                    gpointer   data)
{
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  GimpImage   *gimage;
  GimpVectors *active_vectors;
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  return_if_no_vectors (gimage, active_vectors, data);
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  gimp_image_lower_vectors (gimage, active_vectors);
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  gimp_image_flush (gimage);
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}

void
vectors_duplicate_vectors_cmd_callback (GtkWidget *widget,
                                        gpointer   data)
{
  GimpImage   *gimage;
  GimpVectors *active_vectors;
  GimpVectors *new_vectors;
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  return_if_no_vectors (gimage, active_vectors, data);
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  new_vectors = GIMP_VECTORS (gimp_item_duplicate (GIMP_ITEM (active_vectors),
                                                   G_TYPE_FROM_INSTANCE (active_vectors),
                                                   TRUE));
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  gimp_image_add_vectors (gimage, new_vectors, -1);
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  gimp_image_flush (gimage);
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}

void
vectors_delete_vectors_cmd_callback (GtkWidget *widget,
                                     gpointer   data)
{
  GimpImage   *gimage;
  GimpVectors *active_vectors;
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  return_if_no_vectors (gimage, active_vectors, data);
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  gimp_image_remove_vectors (gimage, active_vectors);
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  gimp_image_flush (gimage);
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}

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static void
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vectors_vectors_to_sel (GtkWidget      *widget,
                        gpointer        data,
                        GimpChannelOps  op)
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{
  GimpImage   *gimage;
  GimpVectors *active_vectors;
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  return_if_no_vectors (gimage, active_vectors, data);
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  gimp_image_mask_select_vectors (gimage,
                                  active_vectors,
                                  op,
                                  TRUE,
                                  FALSE, 0, 0);
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  gimp_image_flush (gimage);
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}

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void
vectors_vectors_to_sel_cmd_callback (GtkWidget *widget,
                                     gpointer   data)
{
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  vectors_vectors_to_sel (widget, data, GIMP_CHANNEL_OP_REPLACE);
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}

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void
vectors_add_vectors_to_sel_cmd_callback (GtkWidget *widget,
                                         gpointer   data)
{
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  vectors_vectors_to_sel (widget, data, GIMP_CHANNEL_OP_ADD);
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}

void
vectors_sub_vectors_from_sel_cmd_callback (GtkWidget *widget,
                                           gpointer   data)
{
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  vectors_vectors_to_sel (widget, data, GIMP_CHANNEL_OP_SUBTRACT);
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}

void
vectors_intersect_vectors_with_sel_cmd_callback (GtkWidget *widget,
                                                 gpointer   data)
{
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  vectors_vectors_to_sel (widget, data, GIMP_CHANNEL_OP_INTERSECT);
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}

void
vectors_sel_to_vectors_cmd_callback (GtkWidget *widget,
                                     gpointer   data)
{
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  GimpImage *gimage;
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  return_if_no_image (gimage, data);
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#ifdef __GNUC__
#warning FIXME: need gimp_vectors_from_mask(or something)
#endif
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}

void
vectors_stroke_vectors_cmd_callback (GtkWidget *widget,
                                     gpointer   data)
{
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  GimpImage   *gimage;
  GimpVectors *active_vectors;
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  return_if_no_vectors (gimage, active_vectors, data);
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  vectors_stroke_vectors (active_vectors);
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}

void
vectors_copy_vectors_cmd_callback (GtkWidget *widget,
                                   gpointer   data)
{
  GimpImage   *gimage;
  GimpVectors *active_vectors;
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  return_if_no_vectors (gimage, active_vectors, data);
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#ifdef __GNUC__
#warning FIXME: need vectors clipoard
#endif
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}

void
vectors_paste_vectors_cmd_callback (GtkWidget *widget,
                                    gpointer   data)
{
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  GimpImage *gimage;
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  return_if_no_image (gimage, data);
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#ifdef __GNUC__
#warning FIXME: need vectors clipoard
#endif
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}

void
vectors_import_vectors_cmd_callback (GtkWidget *widget,
                                     gpointer   data)
{
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  GimpImage *gimage;
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  return_if_no_image (gimage, data);
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#ifdef __GNUC__
#warning FIXME: need vectors import/export
#endif
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}

void
vectors_export_vectors_cmd_callback (GtkWidget *widget,
                                     gpointer   data)
{
  GimpImage   *gimage;
  GimpVectors *active_vectors;
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  return_if_no_vectors (gimage, active_vectors, data);
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#ifdef __GNUC__
#warning FIXME: need vectors import/export
#endif
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}

void
vectors_vectors_tool_cmd_callback (GtkWidget   *widget,
                                   gpointer     data)
{
  GimpImage   *gimage;
  GimpVectors *active_vectors;
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  return_if_no_vectors (gimage, active_vectors, data);
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  vectors_vectors_tool (active_vectors);
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}

void
vectors_edit_vectors_attributes_cmd_callback (GtkWidget *widget,
                                              gpointer   data)
{
  GimpImage   *gimage;
  GimpVectors *active_vectors;
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  return_if_no_vectors (gimage, active_vectors, data);
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  vectors_edit_vectors_query (active_vectors);
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}

void
vectors_stroke_vectors (GimpVectors *vectors)
{
  GimpImage    *gimage;
  GimpDrawable *active_drawable;

  g_return_if_fail (GIMP_IS_VECTORS (vectors));

  gimage = gimp_item_get_image (GIMP_ITEM (vectors));

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  active_drawable = gimp_image_active_drawable (gimage);
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  if (! active_drawable)
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    {
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      g_message (_("There is no active Layer or Channel to stroke to"));
      return;
    }

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  if (vectors && vectors->strokes)
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    {
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      GimpTool         *active_tool;
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      GimpPaintCore    *core;
      GimpToolInfo     *tool_info;
      GimpPaintOptions *paint_options;
      GimpDisplay      *gdisp;

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      active_tool = tool_manager_get_active (gimage->gimp);

      if (GIMP_IS_PAINT_TOOL (active_tool))
        {
          tool_info = active_tool->tool_info;
        }
      else
        {
          tool_info = (GimpToolInfo *)
            gimp_container_get_child_by_name (gimage->gimp->tool_info_list,
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                                              "gimp-paintbrush-tool");
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        }
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      paint_options = (GimpPaintOptions *) tool_info->tool_options;

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      core = g_object_new (tool_info->paint_info->paint_type, NULL);
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      gdisp = gimp_context_get_display (gimp_get_current_context (gimage->gimp));

      tool_manager_control_active (gimage->gimp, PAUSE, gdisp);

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      gimp_paint_core_stroke_vectors (core,
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                                      active_drawable,
                                      paint_options,
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                                      vectors);
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      tool_manager_control_active (gimage->gimp, RESUME, gdisp);

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      g_object_unref (core);
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      gimp_image_flush (gimage);
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    }
}

void
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vectors_vectors_tool (GimpVectors *vectors)
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{
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  GimpImage *gimage;
  GimpTool  *active_tool;
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  g_return_if_fail (GIMP_IS_VECTORS (vectors));
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  gimage = gimp_item_get_image (GIMP_ITEM (vectors));
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  active_tool = tool_manager_get_active (gimage->gimp);
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  if (! GIMP_IS_VECTOR_TOOL (active_tool))
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    {
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      GimpToolInfo *tool_info;

      tool_info = tool_manager_get_info_by_type (gimage->gimp,
                                                 GIMP_TYPE_VECTOR_TOOL);

      gimp_context_set_tool (gimp_get_current_context (gimage->gimp),
                             tool_info);

      active_tool = tool_manager_get_active (gimage->gimp);
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    }

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  gimp_vector_tool_set_vectors (GIMP_VECTOR_TOOL (active_tool),
                                vectors);
}
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/**********************************/
/*  The new vectors query dialog  */
/**********************************/

typedef struct _NewVectorsOptions NewVectorsOptions;

struct _NewVectorsOptions
{
  GtkWidget  *query_box;
  GtkWidget  *name_entry;

  GimpImage  *gimage;
};

static gchar *vectors_name = NULL;


static void
new_vectors_query_ok_callback (GtkWidget *widget,
			       gpointer   data)
{
  NewVectorsOptions *options;
  GimpVectors       *new_vectors;
  GimpImage         *gimage;

  options = (NewVectorsOptions *) data;

  if (vectors_name)
    g_free (vectors_name);
  vectors_name = g_strdup (gtk_entry_get_text (GTK_ENTRY (options->name_entry)));

  if ((gimage = options->gimage))
    {
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      new_vectors = gimp_vectors_new (gimage, vectors_name);
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      gimp_image_add_vectors (gimage, new_vectors, -1);

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      gimp_image_flush (gimage);
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    }

  gtk_widget_destroy (options->query_box);
}

void
vectors_new_vectors_query (GimpImage   *gimage,
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                           GimpVectors *template,
                           gboolean     interactive)
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{
  NewVectorsOptions *options;
  GtkWidget         *hbox;
  GtkWidget         *vbox;
  GtkWidget         *table;
  GtkWidget         *label;

  g_return_if_fail (GIMP_IS_IMAGE (gimage));
  g_return_if_fail (! template || GIMP_IS_VECTORS (template));

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  if (template || ! interactive)
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    {
      GimpVectors *new_vectors;

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      new_vectors = gimp_vectors_new (gimage, _("Empty Vectors Copy"));
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      gimp_image_add_vectors (gimage, new_vectors, -1);

      return;
    }

  /*  the new options structure  */
  options = g_new (NewVectorsOptions, 1);
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  options->gimage = gimage;
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  /*  The dialog  */
  options->query_box =
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    gimp_viewable_dialog_new (GIMP_VIEWABLE (gimage),
                              _("New Path"), "new_path_options",
                              GTK_STOCK_NEW,
                              _("New Path Options"),
                              gimp_standard_help_func,
                              "dialogs/vectors/new_vectors.html",
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                              GTK_STOCK_CANCEL, gtk_widget_destroy,
                              NULL, 1, NULL, FALSE, TRUE,
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                              GTK_STOCK_OK, new_vectors_query_ok_callback,
                              options, NULL, NULL, TRUE, FALSE,
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                              NULL);
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  g_object_weak_ref (G_OBJECT (options->query_box),
		     (GWeakNotify) g_free,
		     options);

  /*  The main hbox  */
  hbox = gtk_hbox_new (FALSE, 2);
  gtk_container_set_border_width (GTK_CONTAINER (hbox), 4);
  gtk_container_add (GTK_CONTAINER (GTK_DIALOG (options->query_box)->vbox),
		     hbox);

  /*  The vbox  */
  vbox = gtk_vbox_new (FALSE, 2);
  gtk_box_pack_start (GTK_BOX (hbox), vbox, TRUE, TRUE, 0);

  /*  The table  */
  table = gtk_table_new (2, 3, FALSE);
  gtk_table_set_col_spacings (GTK_TABLE (table), 4);
  gtk_table_set_row_spacings (GTK_TABLE (table), 2);
  gtk_box_pack_start (GTK_BOX (vbox), table, FALSE, FALSE, 0);

  /*  The name entry hbox, label and entry  */
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  label = gtk_label_new (_("Path name:"));
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  gtk_misc_set_alignment (GTK_MISC (label), 1.0, 0.5);
  gtk_table_attach (GTK_TABLE (table), label, 0, 1, 0, 1,
		    GTK_SHRINK | GTK_FILL, GTK_SHRINK | GTK_FILL, 0, 0);
  gtk_widget_show (label);

  options->name_entry = gtk_entry_new ();
  gtk_widget_set_size_request (options->name_entry, 150, -1);
  gtk_table_attach_defaults (GTK_TABLE (table), options->name_entry,
			     1, 2, 0, 1);
  gtk_entry_set_text (GTK_ENTRY (options->name_entry),
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		      (vectors_name ? vectors_name : _("New Path")));
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  gtk_widget_show (options->name_entry);

  gtk_widget_show (table);
  gtk_widget_show (vbox);
  gtk_widget_show (hbox);
  gtk_widget_show (options->query_box);
}

/****************************************/
/*  The edit vectors attributes dialog  */
/****************************************/

typedef struct _EditVectorsOptions EditVectorsOptions;

struct _EditVectorsOptions
{
  GtkWidget     *query_box;
  GtkWidget     *name_entry;

  GimpVectors   *vectors;
  GimpImage     *gimage;
};

static void
edit_vectors_query_ok_callback (GtkWidget *widget,
				gpointer   data)
{
  EditVectorsOptions *options;
  GimpVectors        *vectors;

  options = (EditVectorsOptions *) data;
  vectors = options->vectors;

  if (options->gimage)
    {
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      const gchar *new_name;

      new_name = gtk_entry_get_text (GTK_ENTRY (options->name_entry));

      if (strcmp (new_name, gimp_object_get_name (GIMP_OBJECT (vectors))))
        {
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          gimp_image_undo_push_item_rename (options->gimage,
                                            _("Rename Path"),
                                            GIMP_ITEM (vectors));
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          gimp_object_set_name (GIMP_OBJECT (vectors), new_name);
        }
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    }

  gtk_widget_destroy (options->query_box);
}

void
vectors_edit_vectors_query (GimpVectors *vectors)
{
  EditVectorsOptions *options;
  GtkWidget          *hbox;
  GtkWidget          *vbox;
  GtkWidget          *table;
  GtkWidget          *label;

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  g_return_if_fail (GIMP_IS_VECTORS (vectors));
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  options = g_new0 (EditVectorsOptions, 1);

  options->vectors = vectors;
  options->gimage  = gimp_item_get_image (GIMP_ITEM (vectors));

  /*  The dialog  */
  options->query_box =
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    gimp_viewable_dialog_new (GIMP_VIEWABLE (vectors),
                              _("Path Attributes"), "edit_path_attributes",
                              GIMP_STOCK_EDIT,
                              _("Edit Path Attributes"),
                              gimp_standard_help_func,
                              "dialogs/paths/edit_path_attributes.html",
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                              GTK_STOCK_CANCEL, gtk_widget_destroy,
                              NULL, 1, NULL, FALSE, TRUE,
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                              GTK_STOCK_OK, edit_vectors_query_ok_callback,
                              options, NULL, NULL, TRUE, FALSE,
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                              NULL);
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  g_object_weak_ref (G_OBJECT (options->query_box),
		     (GWeakNotify) g_free,
		     options);

  /*  The main hbox  */
  hbox = gtk_hbox_new (FALSE, 2);
  gtk_container_set_border_width (GTK_CONTAINER (hbox), 4);
  gtk_container_add (GTK_CONTAINER (GTK_DIALOG (options->query_box)->vbox),
		     hbox);

  /*  The vbox  */
  vbox = gtk_vbox_new (FALSE, 2);
  gtk_box_pack_start (GTK_BOX (hbox), vbox, TRUE, TRUE, 0);

  /*  The table  */
  table = gtk_table_new (2, 3, FALSE);
  gtk_table_set_col_spacings (GTK_TABLE (table), 4);
  gtk_table_set_row_spacings (GTK_TABLE (table), 2);
  gtk_box_pack_start (GTK_BOX (vbox), table, FALSE, FALSE, 0);

  /*  The name entry  */
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  label = gtk_label_new (_("Path name:"));
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  gtk_misc_set_alignment (GTK_MISC (label), 1.0, 0.5);
  gtk_table_attach (GTK_TABLE (table), label, 0, 1, 0, 1,
		    GTK_EXPAND | GTK_FILL, GTK_EXPAND | GTK_FILL, 0, 0);
  gtk_widget_show (label);

  options->name_entry = gtk_entry_new ();
  gtk_widget_set_size_request (options->name_entry, 150, -1);
  gtk_table_attach_defaults (GTK_TABLE (table), options->name_entry,
			     1, 2, 0, 1);
  gtk_entry_set_text (GTK_ENTRY (options->name_entry),
		      gimp_object_get_name (GIMP_OBJECT (vectors)));
  gtk_widget_show (options->name_entry);

  gtk_widget_show (table);
  gtk_widget_show (vbox);
  gtk_widget_show (hbox);
  gtk_widget_show (options->query_box);
}