1 files changed, 224 insertions, 0 deletions
diff --git a/src/ui/dialog/aboutbox.cpp b/src/ui/dialog/aboutbox.cpp
new file mode 100644
index 0000000..72d31cc
--- /dev/null
+++ b/src/ui/dialog/aboutbox.cpp
@@ -0,0 +1,224 @@
+// SPDX-License-Identifier: GPL-2.0-or-later
+/**
+ * @file
+ * Inkscape About box - implementation.
+ */
+/* Authors:
+ *   Derek P. Moore <derekm@hackunix.org>
+ *   MenTaLguY <mental@rydia.net>
+ *   Kees Cook <kees@outflux.net>
+ *   Jon Phillips <jon@rejon.org>
+ *   Abhishek Sharma
+ *
+ * Copyright (C) 2004 Derek P. Moore
+ * Copyright 2004 Kees Cook
+ * Copyright 2004 Jon Phillips
+ * Copyright 2005 MenTaLguY
+ *
+ * Released under GNU GPL v2+, read the file 'COPYING' for more information.
+ */
+
+#include "aboutbox.h"
+
+#include <fstream>
+
+#include <glibmm/fileutils.h>
+#include <glibmm/i18n.h>
+#include <glibmm/miscutils.h>
+
+#include <gtkmm/aspectframe.h>
+#include <gtkmm/textview.h>
+
+#include "document.h"
+#include "inkscape-version.h"
+#include "path-prefix.h"
+#include "text-editing.h"
+
+#include "object/sp-text.h"
+
+#include "ui/icon-names.h"
+#include "ui/view/svg-view-widget.h"
+
+#include "util/units.h"
+
+
+
+namespace Inkscape {
+namespace UI {
+namespace Dialog {
+
+static AboutBox *window=nullptr;
+
+void AboutBox::show_about() {
+    if (!window)
+        window = new AboutBox();
+    window->show();
+}
+
+void AboutBox::hide_about() {
+    if (window)
+        window->hide();
+}
+
+/**
+ * Constructor
+ */ 
+AboutBox::AboutBox()
+    : _splash_widget(nullptr)
+{
+    // call this first
+    initStrings();
+
+    // Insert the Splash widget.  This is placed directly into the
+    // content area of the dialog, whereas everything else is placed
+    // automatically by the Gtk::AboutDialog parent class
+    build_splash_widget();
+    if (_splash_widget) {
+        get_content_area()->pack_end(*manage(_splash_widget), true, true);
+        _splash_widget->show_all();
+    }
+
+    // Set Application metadata, which will be automatically
+    // inserted into text widgets by the Gtk::AboutDialog parent class
+    // clang-format off
+    set_program_name  (  "Inkscape");
+    set_version       (  Inkscape::version_string);
+    set_logo_icon_name(  INKSCAPE_ICON("org.inkscape.Inkscape"));
+    set_website       (  "https://www.inkscape.org");
+    set_website_label (_("Inkscape website"));
+    set_license_type    (Gtk::LICENSE_GPL_3_0);
+    set_copyright     (_("© 2020 Inkscape Developers"));
+    set_comments      (_("Open Source Scalable Vector Graphics Editor\n"
+                         "Draw Freely."));
+    // clang-format on
+
+    get_content_area()->set_border_width(3);
+    get_action_area()->set_border_width(3);
+}
+
+/**
+ * @brief Create a Gtk::AspectFrame containing the splash image
+ */
+void AboutBox::build_splash_widget() {
+    /* TRANSLATORS: This is the filename of the `About Inkscape' picture in
+       the `screens' directory.  Thus the translation of "about.svg" should be
+       the filename of its translated version, e.g. about.zh.svg for Chinese.
+
+       Please don't translate the filename unless the translated picture exists. */
+
+    // Try to get the translated version of the 'About Inkscape' file first.  If the
+    // translation fails, or if the file does not exist, then fall-back to the
+    // default untranslated "about.svg" file
+    //
+    // FIXME? INKSCAPE_SCREENSDIR and "about.svg" are in UTF-8, not the
+    // native filename encoding... and the filename passed to sp_document_new
+    // should be in UTF-*8..
+    auto about = Glib::build_filename(INKSCAPE_SCREENSDIR, _("about.svg"));
+    if (!Glib::file_test (about, Glib::FILE_TEST_EXISTS)) {
+        about = Glib::build_filename(INKSCAPE_SCREENSDIR, "about.svg");
+    }
+
+    // Create an Inkscape document from the 'About Inkscape' picture
+    SPDocument *doc=SPDocument::createNewDoc (about.c_str(), TRUE);
+
+    // Leave _splash_widget as a nullptr if there is no document
+    if(doc) {
+        SPObject *version = doc->getObjectById("version");
+        if ( version && SP_IS_TEXT(version) ) {
+            sp_te_set_repr_text_multiline (SP_TEXT (version), Inkscape::version_string);
+        }
+        doc->ensureUpToDate();
+
+        auto viewer = Gtk::manage(new Inkscape::UI::View::SVGViewWidget(doc));
+
+        // temporary hack: halve the dimensions so the dialog will fit
+        double width=doc->getWidth().value("px") / 2.0;
+        double height=doc->getHeight().value("px") / 2.0;
+        viewer->setResize(width, height);
+
+        _splash_widget = new Gtk::AspectFrame();
+        _splash_widget->unset_label();
+        _splash_widget->set_shadow_type(Gtk::SHADOW_NONE);
+        _splash_widget->property_ratio() = width / height;
+        _splash_widget->add(*viewer);
+    }
+}
+
+/**
+ * @brief Read the author and translator credits from file
+ */  
+void AboutBox::initStrings() {
+    //##############################
+    //# A U T H O R S
+    //##############################
+
+    // Create an empty vector to store the list of authors
+    std::vector<Glib::ustring> authors;
+
+    // Try to copy the list of authors from the "AUTHORS" file, which
+    // should have been installed into the share/doc directory
+    auto authors_filename = Glib::build_filename(INKSCAPE_DOCDIR, "AUTHORS");
+    std::ifstream authors_filestream(authors_filename);
+    if(authors_filestream) {
+        std::string author_line;
+
+        while (std::getline(authors_filestream, author_line)) {
+            authors.emplace_back(author_line);
+        }
+    }
+
+    // Set the author credits in this dialog, using the author list
+    set_authors(authors);
+
+    //##############################
+    //# T R A N S L A T O R S
+    //##############################
+
+    Glib::ustring translators_text;
+
+    // TRANSLATORS: Put here your name (and other national contributors')      
+    // one per line in the form of: name surname (email). Use \n for newline.
+    Glib::ustring thisTranslation = _("translator-credits");
+
+    /**
+     * See if the translators for the current language
+     * made an entry for "translator-credits".  If it exists,
+     * put it at the top of the window,  add some space between
+     * it and the list of all translators.
+     *      
+     * NOTE:  Do we need 2 more .po entries for titles:
+     *  "translators for this language"
+     *  "all translators"  ??     
+     */                          
+    if (thisTranslation != "translator-credits") {
+        translators_text.append(thisTranslation);
+        translators_text.append("\n\n\n");
+    }
+
+    auto translators_filename = Glib::build_filename(INKSCAPE_DOCDIR, "TRANSLATORS");
+
+    if (Glib::file_test (translators_filename, Glib::FILE_TEST_EXISTS)) {
+        auto all_translators = Glib::file_get_contents(translators_filename);
+        translators_text.append(all_translators);
+    }
+
+    set_translator_credits(translators_text);
+}
+
+void AboutBox::on_response(int response_id) {
+    hide();
+}
+} // namespace Dialog
+} // namespace UI
+} // namespace Inkscape
+
+/*
+  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:fileencoding=utf-8:textwidth=99 :