diff options
Diffstat (limited to 'src/extension/prefdialog/prefdialog.cpp')
| -rw-r--r-- | src/extension/prefdialog/prefdialog.cpp | 237 |
1 files changed, 237 insertions, 0 deletions
diff --git a/src/extension/prefdialog/prefdialog.cpp b/src/extension/prefdialog/prefdialog.cpp new file mode 100644 index 0000000..4c96e4d --- /dev/null +++ b/src/extension/prefdialog/prefdialog.cpp @@ -0,0 +1,237 @@ +// 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 : |