Adding upstream version 1.2.2.upstream/1.2.2upstream

Signed-off-by: Daniel Baumann <daniel.baumann@progress-linux.org>

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 :