Adding upstream version 1.2.2.upstream/1.2.2upstream

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

1 files changed, 205 insertions, 0 deletions

diff --git a/src/object/sp-anchor.cpp b/src/object/sp-anchor.cpp
new file mode 100644
index 0000000..437bfb1
--- /dev/null
+++ b/src/object/sp-anchor.cpp
@@ -0,0 +1,205 @@
+// SPDX-License-Identifier: GPL-2.0-or-later
+/*
+ * SVG <a> element implementation
+ *
+ * Author:
+ *   Lauris Kaplinski <lauris@kaplinski.com>
+ *   Abhishek Sharma
+ *
+ * Copyright (C) 2017 Martin Owens
+ * Copyright (C) 2001-2002 Lauris Kaplinski
+ * Copyright (C) 2001 Ximian, Inc.
+ *
+ * Released under GNU GPL v2+, read the file 'COPYING' for more information.
+ */
+
+#define noSP_ANCHOR_VERBOSE
+
+#include <glibmm/i18n.h>
+#include "xml/quote.h"
+#include "xml/repr.h"
+#include "attributes.h"
+#include "sp-anchor.h"
+#include "ui/view/svg-view-widget.h"
+#include "document.h"
+
+SPAnchor::SPAnchor() : SPGroup() {
+    this->href = nullptr;
+    this->type = nullptr;
+    this->title = nullptr;
+    this->page = nullptr;
+}
+
+SPAnchor::~SPAnchor() = default;
+
+void SPAnchor::build(SPDocument *document, Inkscape::XML::Node *repr) {
+    SPGroup::build(document, repr);
+
+    this->readAttr(SPAttr::XLINK_TYPE);
+    this->readAttr(SPAttr::XLINK_ROLE);
+    this->readAttr(SPAttr::XLINK_ARCROLE);
+    this->readAttr(SPAttr::XLINK_TITLE);
+    this->readAttr(SPAttr::XLINK_SHOW);
+    this->readAttr(SPAttr::XLINK_ACTUATE);
+    this->readAttr(SPAttr::XLINK_HREF);
+    this->readAttr(SPAttr::TARGET);
+}
+
+void SPAnchor::release() {
+    if (this->href) {
+        g_free(this->href);
+        this->href = nullptr;
+    }
+    if (this->type) {
+        g_free(this->type);
+        this->type = nullptr;
+    }
+    if (this->title) {
+        g_free(this->title);
+        this->title = nullptr;
+    }
+    if (this->page) {
+        g_free(this->page);
+        this->page = nullptr;
+    }
+
+    SPGroup::release();
+}
+
+void SPAnchor::set(SPAttr key, const gchar* value) {
+    switch (key) {
+	case SPAttr::XLINK_HREF:
+            g_free(this->href);
+            this->href = g_strdup(value);
+            this->requestModified(SP_OBJECT_MODIFIED_FLAG);
+            this->updatePageAnchor();
+            break;
+	case SPAttr::XLINK_TYPE:
+            g_free(this->type);
+            this->type = g_strdup(value);
+            this->updatePageAnchor();
+            this->requestModified(SP_OBJECT_MODIFIED_FLAG);
+            break;
+	case SPAttr::XLINK_ROLE:
+	case SPAttr::XLINK_ARCROLE:
+	case SPAttr::XLINK_TITLE:
+            g_free(this->title);
+            this->title = g_strdup(value);
+            this->requestModified(SP_OBJECT_MODIFIED_FLAG);
+            break;
+	case SPAttr::XLINK_SHOW:
+	case SPAttr::XLINK_ACTUATE:
+	case SPAttr::TARGET:
+            this->requestModified(SP_OBJECT_MODIFIED_FLAG);
+            break;
+
+	default:
+            SPGroup::set(key, value);
+            break;
+    }
+}
+
+/*
+ * Detect if this anchor qualifies as a page link and append
+ * the new page document to this document.
+ */
+void SPAnchor::updatePageAnchor() {
+    if (this->type && !strcmp(this->type, "page")) {
+        if (this->href && !this->page) {
+             this->page = this->document->createChildDoc(this->href);
+        }
+    }    
+}
+
+#define COPY_ATTR(rd,rs,key) (rd)->setAttribute((key), rs->attribute(key));
+
+Inkscape::XML::Node* SPAnchor::write(Inkscape::XML::Document *xml_doc, Inkscape::XML::Node *repr, guint flags) {
+    if ((flags & SP_OBJECT_WRITE_BUILD) && !repr) {
+        repr = xml_doc->createElement("svg:a");
+    }
+
+    repr->setAttribute("xlink:href", this->href);
+    if (this->type) repr->setAttribute("xlink:type", this->type);
+    if (this->title) repr->setAttribute("xlink:title", this->title);
+
+    if (repr != this->getRepr()) {
+        // XML Tree being directly used while it shouldn't be in the
+        //  below COPY_ATTR lines
+        COPY_ATTR(repr, this->getRepr(), "xlink:role");
+        COPY_ATTR(repr, this->getRepr(), "xlink:arcrole");
+        COPY_ATTR(repr, this->getRepr(), "xlink:show");
+        COPY_ATTR(repr, this->getRepr(), "xlink:actuate");
+        COPY_ATTR(repr, this->getRepr(), "target");
+    }
+
+    SPGroup::write(xml_doc, repr, flags);
+
+    return repr;
+}
+
+const char* SPAnchor::typeName() const {
+    return "link";
+}
+
+const char* SPAnchor::displayName() const {
+    return _("Link");
+}
+
+gchar* SPAnchor::description() const {
+    if (this->href) {
+        char *quoted_href = xml_quote_strdup(this->href);
+        char *ret = g_strdup_printf(_("to %s"), quoted_href);
+        g_free(quoted_href);
+        return ret;
+    } else {
+        return g_strdup (_("without URI"));
+    }
+}
+
+/* fixme: We should forward event to appropriate container/view */
+/* The only use of SPEvent appears to be here, to change the cursor in Inkview when over a link (and
+ * which hasn't worked since at least 0.48). GUI code should not be here. */
+int SPAnchor::event(SPEvent* event) {
+
+    switch (event->type) {
+	case SPEvent::ACTIVATE:
+            if (this->href) {
+                // If this actually worked, it could be useful to open a webpage with the link.
+                g_print("Activated xlink:href=\"%s\"\n", this->href);
+                return TRUE;
+            }
+            break;
+
+	case SPEvent::MOUSEOVER:
+        {
+            if (event->view) {
+                event->view->mouseover();
+            }
+            break;
+        }
+
+	case SPEvent::MOUSEOUT:
+        {
+            if (event->view) {
+                event->view->mouseout();
+            }
+            break;
+        }
+
+	default:
+            break;
+    }
+
+    return FALSE;
+}
+
+/*
+  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 :