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// 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( "xlink:type" );
this->readAttr( "xlink:role" );
this->readAttr( "xlink:arcrole" );
this->readAttr( "xlink:title" );
this->readAttr( "xlink:show" );
this->readAttr( "xlink:actuate" );
this->readAttr( "xlink:href" );
this->readAttr( "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(SPAttributeEnum key, const gchar* value) {
switch (key) {
case SP_ATTR_XLINK_HREF:
g_free(this->href);
this->href = g_strdup(value);
this->requestModified(SP_OBJECT_MODIFIED_FLAG);
this->updatePageAnchor();
break;
case SP_ATTR_XLINK_TYPE:
g_free(this->type);
this->type = g_strdup(value);
this->updatePageAnchor();
this->requestModified(SP_OBJECT_MODIFIED_FLAG);
break;
case SP_ATTR_XLINK_ROLE:
case SP_ATTR_XLINK_ARCROLE:
case SP_ATTR_XLINK_TITLE:
g_free(this->title);
this->title = g_strdup(value);
this->requestModified(SP_OBJECT_MODIFIED_FLAG);
break;
case SP_ATTR_XLINK_SHOW:
case SP_ATTR_XLINK_ACTUATE:
case SP_ATTR_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::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 :
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