diff options
Diffstat (limited to 'src/object/sp-tag.cpp')
-rw-r--r-- | src/object/sp-tag.cpp | 143 |
1 files changed, 143 insertions, 0 deletions
diff --git a/src/object/sp-tag.cpp b/src/object/sp-tag.cpp new file mode 100644 index 0000000..3c98f5b --- /dev/null +++ b/src/object/sp-tag.cpp @@ -0,0 +1,143 @@ +// SPDX-License-Identifier: GPL-2.0-or-later +/** \file + * SVG <inkscape:tag> implementation + * + * Authors: + * Theodore Janeczko + * Liam P. White + * + * Copyright (C) Theodore Janeczko 2012-2014 <flutterguy317@gmail.com> + * + * Released under GNU GPL v2+, read the file 'COPYING' for more information. + */ + +#include "attributes.h" +#include "sp-tag.h" +#include "xml/repr.h" +#include <cstring> + +/* + * Move this SPItem into or after another SPItem in the doc + * \param target - the SPItem to move into or after + * \param intoafter - move to after the target (false), move inside (sublayer) of the target (true) + */ +void SPTag::moveTo(SPObject *target, gboolean intoafter) { + + Inkscape::XML::Node *target_ref = ( target ? target->getRepr() : nullptr ); + Inkscape::XML::Node *our_ref = getRepr(); + gboolean first = FALSE; + + if (target_ref == our_ref) { + // Move to ourself ignore + return; + } + + if (!target_ref) { + // Assume move to the "first" in the top node, find the top node + target_ref = our_ref; + while (target_ref->parent() != target_ref->root()) { + target_ref = target_ref->parent(); + } + first = TRUE; + } + + if (intoafter) { + // Move this inside of the target at the end + our_ref->parent()->removeChild(our_ref); + target_ref->addChild(our_ref, nullptr); + } else if (target_ref->parent() != our_ref->parent()) { + // Change in parent, need to remove and add + our_ref->parent()->removeChild(our_ref); + target_ref->parent()->addChild(our_ref, target_ref); + } else if (!first) { + // Same parent, just move + our_ref->parent()->changeOrder(our_ref, target_ref); + } +} + +/** + * Reads the Inkscape::XML::Node, and initializes SPTag variables. For this to get called, + * our name must be associated with a repr via "sp_object_type_register". Best done through + * sp-object-repr.cpp's repr_name_entries array. + */ +void +SPTag::build(SPDocument *document, Inkscape::XML::Node *repr) +{ + readAttr( "inkscape:expanded" ); + SPObject::build(document, repr); +} + +/** + * Sets a specific value in the SPTag. + */ +void +SPTag::set(SPAttributeEnum key, gchar const *value) +{ + + switch (key) + { + case SP_ATTR_INKSCAPE_EXPANDED: + if ( value && !strcmp(value, "true") ) { + setExpanded(true); + } + break; + default: + SPObject::set(key, value); + break; + } +} + +void SPTag::setExpanded(bool isexpanded) { + //if ( _expanded != isexpanded ){ + _expanded = isexpanded; + //} +} + +/** + * Receives update notifications. + */ +void +SPTag::update(SPCtx *ctx, guint flags) +{ + if (flags & (SP_OBJECT_MODIFIED_FLAG | SP_OBJECT_STYLE_MODIFIED_FLAG | + SP_OBJECT_VIEWPORT_MODIFIED_FLAG)) { + + /* do something to trigger redisplay, updates? */ + + } + SPObject::update(ctx, flags); +} + +/** + * Writes its settings to an incoming repr object, if any. + */ +Inkscape::XML::Node * +SPTag::write(Inkscape::XML::Document *doc, Inkscape::XML::Node *repr, guint flags) +{ + if ((flags & SP_OBJECT_WRITE_BUILD) && !repr) { + repr = doc->createElement("inkscape:tag"); + } + + // Inkscape-only object, not copied during an "plain SVG" dump: + if (flags & SP_OBJECT_WRITE_EXT) { + if (_expanded) { + repr->setAttribute("inkscape:expanded", "true"); + } else { + repr->removeAttribute("inkscape:expanded"); + } + } + SPObject::write(doc, repr, flags); + return repr; +} + + +/* + 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 : |