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// SPDX-License-Identifier: GPL-2.0-or-later
/*
* Authors:
* Ted Gould <ted@gould.cx>
*
* Copyright (C) 2005-2008 Authors
*
* Released under GNU GPL v2+, read the file 'COPYING' for more information.
*/
#include "prefdialog.h"
#include <gtkmm/checkbutton.h>
#include <gtkmm/separator.h>
#include <glibmm/i18n.h>
#include "ui/dialog-events.h"
#include "xml/repr.h"
// Used to get SP_ACTIVE_DESKTOP
#include "inkscape.h"
#include "document.h"
#include "document-undo.h"
#include "extension/effect.h"
#include "extension/execution-env.h"
#include "extension/implementation/implementation.h"
#include "parameter.h"
namespace Inkscape {
namespace Extension {
/** \brief Creates a new preference dialog for extension preferences
\param name Name of the Extension whose dialog this is (should already be translated)
\param controls The extension specific widgets in the dialog
This function initializes the dialog with the name of the extension
in the title. It adds a few buttons and sets up handlers for
them. It also places the passed-in widgets into the dialog.
*/
PrefDialog::PrefDialog (Glib::ustring name, Gtk::Widget * controls, Effect * effect) :
Gtk::Dialog(name, true),
_name(name),
_button_ok(nullptr),
_button_cancel(nullptr),
_button_preview(nullptr),
_param_preview(nullptr),
_effect(effect),
_exEnv(nullptr)
{
this->set_default_size(0,0); // we want the window to be as small as possible instead of clobbering up space
Gtk::Box *hbox = Gtk::manage(new Gtk::Box(Gtk::ORIENTATION_HORIZONTAL));
if (controls == nullptr) {
if (_effect == nullptr) {
std::cout << "AH!!! No controls and no effect!!!" << std::endl;
return;
}
controls = _effect->get_imp()->prefs_effect(_effect, SP_ACTIVE_DESKTOP, &_signal_param_change, nullptr);
_signal_param_change.connect(sigc::mem_fun(this, &PrefDialog::param_change));
}
hbox->pack_start(*controls, true, true, 0);
hbox->show();
this->get_content_area()->pack_start(*hbox, true, true, 0);
_button_cancel = add_button(_effect == nullptr ? _("_Cancel") : _("_Close"), Gtk::RESPONSE_CANCEL);
_button_ok = add_button(_effect == nullptr ? _("_OK") : _("_Apply"), Gtk::RESPONSE_OK);
set_default_response(Gtk::RESPONSE_OK);
_button_ok->grab_focus();
if (_effect != nullptr && !_effect->no_live_preview) {
if (_param_preview == nullptr) {
XML::Document * doc = sp_repr_read_mem(live_param_xml, strlen(live_param_xml), nullptr);
if (doc == nullptr) {
std::cout << "Error encountered loading live parameter XML !!!" << std::endl;
return;
}
_param_preview = InxParameter::make(doc->root(), _effect);
}
auto sep = Gtk::manage(new Gtk::Separator());
sep->show();
this->get_content_area()->pack_start(*sep, false, false, InxWidget::GUI_BOX_SPACING);
hbox = Gtk::manage(new Gtk::Box(Gtk::ORIENTATION_HORIZONTAL));
hbox->set_border_width(InxWidget::GUI_BOX_MARGIN);
_button_preview = _param_preview->get_widget(&_signal_preview);
_button_preview->show();
hbox->pack_start(*_button_preview, true, true, 0);
hbox->show();
this->get_content_area()->pack_start(*hbox, false, false, 0);
Gtk::Box *hbox = dynamic_cast<Gtk::Box *>(_button_preview);
if (hbox != nullptr) {
_checkbox_preview = dynamic_cast<Gtk::CheckButton *>(hbox->get_children().front());
}
preview_toggle();
_signal_preview.connect(sigc::mem_fun(this, &PrefDialog::preview_toggle));
}
// Set window modality for effects that don't use live preview
if (_effect != nullptr && _effect->no_live_preview) {
set_modal(false);
}
return;
}
PrefDialog::~PrefDialog ( )
{
if (_param_preview != nullptr) {
delete _param_preview;
_param_preview = nullptr;
}
if (_exEnv != nullptr) {
_exEnv->cancel();
delete _exEnv;
_exEnv = nullptr;
_effect->set_execution_env(_exEnv);
}
if (_effect != nullptr) {
_effect->set_pref_dialog(nullptr);
}
return;
}
void
PrefDialog::preview_toggle () {
SPDocument *document = SP_ACTIVE_DOCUMENT;
bool modified = document->isModifiedSinceSave();
if(_param_preview->get_bool()) {
if (_exEnv == nullptr) {
set_modal(true);
_exEnv = new ExecutionEnv(_effect, SP_ACTIVE_DESKTOP, nullptr, false, false);
_effect->set_execution_env(_exEnv);
_exEnv->run();
}
} else {
set_modal(false);
if (_exEnv != nullptr) {
_exEnv->cancel();
_exEnv->undo();
_exEnv->reselect();
delete _exEnv;
_exEnv = nullptr;
_effect->set_execution_env(_exEnv);
}
}
document->setModifiedSinceSave(modified);
}
void
PrefDialog::param_change () {
if (_exEnv != nullptr) {
if (!_effect->loaded()) {
_effect->set_state(Extension::STATE_LOADED);
}
_timersig.disconnect();
_timersig = Glib::signal_timeout().connect(sigc::mem_fun(this, &PrefDialog::param_timer_expire),
250, /* ms */
Glib::PRIORITY_DEFAULT_IDLE);
}
return;
}
bool
PrefDialog::param_timer_expire () {
if (_exEnv != nullptr) {
_exEnv->cancel();
_exEnv->undo();
_exEnv->reselect();
_exEnv->run();
}
return false;
}
void
PrefDialog::on_response (int signal) {
if (signal == Gtk::RESPONSE_OK) {
if (_exEnv == nullptr) {
if (_effect != nullptr) {
_effect->effect(SP_ACTIVE_DESKTOP);
} else {
// Shutdown run()
return;
}
} else {
if (_exEnv->wait()) {
_exEnv->commit();
} else {
_exEnv->undo();
_exEnv->reselect();
}
delete _exEnv;
_exEnv = nullptr;
_effect->set_execution_env(_exEnv);
}
}
if (_param_preview != nullptr) {
_checkbox_preview->set_active(false);
}
if ((signal == Gtk::RESPONSE_CANCEL || signal == Gtk::RESPONSE_DELETE_EVENT) && _effect != nullptr) {
delete this;
}
return;
}
#include "extension/internal/clear-n_.h"
const char * PrefDialog::live_param_xml = "<param name=\"__live_effect__\" type=\"bool\" gui-text=\"" N_("Live preview") "\" gui-description=\"" N_("Is the effect previewed live on canvas?") "\">false</param>";
}; }; /* namespace Inkscape, Extension */
/*
Local Variables:
mode:c++
c-file-style:"stroustrup"
c-file-offsets:((innamespace . 0)(inline-open . 0)(case-label . +))
indent-tabs-mode:nil
fill-column:99
End:
*/
// vim: filetype=cpp:expandtab:shiftwidth=4:tabstop=8:softtabstop=4 :
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