PIKApp/pdb/groups/gradient_select.pdb

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2023-09-26 00:35:21 +02:00
# PIKA - Photo and Image Kooker Application
# 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 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/>.
# "Perlized" from C source by Manish Singh <yosh@gimp.org>
sub gradients_popup {
$blurb = 'Invokes the Pika gradients selection dialog.';
$help = 'Opens a dialog letting a user choose a gradient.';
&andy_pdb_misc('1998');
@inargs = (
{ name => 'gradient_callback', type => 'string', non_empty => 1,
desc => 'The callback PDB proc to call when user chooses a gradient' },
{ name => 'popup_title', type => 'string',
desc => 'Title of the gradient selection dialog' },
{ name => 'initial_gradient_name', type => 'string', null_ok => 1,
desc => 'The name of the initial gradient choice' }
);
%invoke = (
code => <<'CODE'
{
/* Formerly, this procedure had another parameter:
* the sample size of the gradient's data passed in the changed callback.
* Now the sample size is determined by core, and in the future,
* the callback won't return a sample of the data at all.
*/
if (pika->no_interface ||
! pika_pdb_lookup_procedure (pika->pdb, gradient_callback) ||
! pika_pdb_dialog_new (pika, context, progress,
pika_data_factory_get_container (pika->gradient_factory),
popup_title, gradient_callback, initial_gradient_name,
NULL))
success = FALSE;
}
CODE
);
}
sub gradients_close_popup {
$blurb = 'Close the gradient selection dialog.';
$help = 'Closes an open gradient selection dialog.';
&andy_pdb_misc('1998');
@inargs = (
{ name => 'gradient_callback', type => 'string', non_empty => 1,
desc => 'The name of the callback registered for this pop-up' }
);
%invoke = (
code => <<'CODE'
{
if (pika->no_interface ||
! pika_pdb_lookup_procedure (pika->pdb, gradient_callback) ||
! pika_pdb_dialog_close (pika, pika_data_factory_get_container (pika->gradient_factory),
gradient_callback))
success = FALSE;
}
CODE
);
}
sub gradients_set_popup {
$blurb = 'Sets the current gradient in a gradient selection dialog.';
$help = $blurb;
&andy_pdb_misc('1998');
@inargs = (
{ name => 'gradient_callback', type => 'string', non_empty => 1,
desc => 'The name of the callback registered for this pop-up' },
{ name => 'gradient_name', type => 'string',
desc => 'The name of the gradient to set as selected' }
);
%invoke = (
code => <<'CODE'
{
if (pika->no_interface ||
! pika_pdb_lookup_procedure (pika->pdb, gradient_callback) ||
! pika_pdb_dialog_set (pika, pika_data_factory_get_container (pika->gradient_factory),
gradient_callback, gradient_name,
NULL))
success = FALSE;
}
CODE
);
}
@headers = qw("core/pika.h"
"core/pikadatafactory.h"
"core/pikagradient.h");
@procs = qw(gradients_popup
gradients_close_popup
gradients_set_popup);
%exports = (app => [@procs], lib => [@procs]);
$desc = 'Gradient UI';
$doc_title = 'pikagradientselect';
$doc_short_desc = 'Methods of a gradient chooser dialog';
$doc_long_desc = 'A dialog letting a user choose a gradient. Read more at pikafontselect.';
1;