Gimp/tools/pdbgen/pdb/pattern_select.pdb

# 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.

# "Perlized" from C source by Manish Singh <yosh@gimp.org>

sub pdb_misc {
    $author = $copyright = 'Andy Thomas';
    $date = '1998';
}

sub patterns_popup {
    $blurb = 'Invokes the Gimp pattern selection.';

    $help = 'This procedure popups the pattern selection dialog.';

    &pdb_misc;

    @inargs = (
	{ name => 'pattern_callback', type => 'string', alias => 'name',
	  desc => 'The callback PDB proc to call when pattern selection is
		   made' },
	{ name => 'popup_title', type => 'string', alias => 'title',
	  desc => 'Title to give the pattern popup window' },
	{ name => 'initial_pattern', type => 'string', alias => 'pattern',
	  desc => 'The name of the pattern to set as the first selected',
	  no_success => 1 },
    );

    %invoke = (
	vars => [ 'ProcRecord *prec', 'PatternSelect *newdialog' ],
	code => <<'CODE'
{
  if ((prec = procedural_db_lookup (name)))
    {
      if (pattern && strlen (pattern))
	newdialog = pattern_select_new (title, pattern);
      else
	newdialog = pattern_select_new (title, NULL);

      /* The callback procedure to run when pattern changes */
      newdialog->callback_name = g_strdup (name);
    }
  else
    success = FALSE;
}
CODE
    );
}

sub patterns_close_popup {
    $blurb = 'Popdown the Gimp pattern selection.';

    $help = 'This procedure closes an opened pattern selection dialog.';

    &pdb_misc;

    @inargs = (
	{ name => 'pattern_callback', type => 'string', alias => 'name',
	  desc => 'The name of the callback registered for this popup' }
    );

    %invoke = (
	vars => [ 'ProcRecord *prec', 'PatternSelect *psp' ],
	code => <<'CODE'
{
  if ((prec = procedural_db_lookup (name)) &&
      (psp = pattern_get_patternselect (name)))
    {
      if (GTK_WIDGET_VISIBLE (psp->shell))
	gtk_widget_hide (psp->shell);

      /* Free memory if poping down dialog which is not the main one */
      if (psp != pattern_select_dialog)
	{
	  gtk_widget_destroy (psp->shell);
	  pattern_select_free (psp);
	}
    }
  else
    success = FALSE;
}
CODE
    );
}

sub patterns_set_popup {
    $blurb = 'Sets the current pattern selection in a popup.';

    $help = $blurb;

    &pdb_misc;

    @inargs = (
	{ name => 'pattern_callback', type => 'string', alias => 'name',
	  desc => 'The name of the callback registered for this popup' },
	{ name => 'pattern_name', type => 'string',
	  desc => 'The name of the pattern to set as selected' },
    );

    %invoke = (
	vars => [ 'ProcRecord *prec', 'PatternSelect *psp' ],
	code => <<'CODE'
{
  if ((prec = procedural_db_lookup (name)) &&
      (psp = pattern_get_patternselect (name)))
    {
      GPattern *active = pattern_list_get_pattern (pattern_list, pattern_name);

      if (active)
	{
	  /* Must alter the wigdets on screen as well */
	  gimp_context_set_pattern (psp->context, active);
	}
      else
	success = FALSE;
    }
  else
    success = FALSE;
}
CODE
    );
}

@headers = qw(<string.h> "pattern_select.h" "gimpcontext.h");

$extra{app}->{code} = <<'CODE';
static PatternSelect *
pattern_get_patternselect (gchar *name)
{
  GSList *list;
  PatternSelect *psp;

  for (list = pattern_active_dialogs; list; list = g_slist_next (list))
    {
      psp = (PatternSelect *) list->data;
      
      if (psp->callback_name && !strcmp (name, psp->callback_name))
	return psp;
    }

  return NULL;
}
CODE

@procs = qw(patterns_popup patterns_close_popup patterns_set_popup);
%exports = (app => [@procs], lib => [@procs]);

$desc = 'Pattern UI';

1;