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// SPDX-License-Identifier: GPL-2.0-or-later
/*
* Copyright (C) 2007 MenTaLguY <mental@rydia.net>
* Abhishek Sharma
*
* Released under GNU GPL v2+, read the file 'COPYING' for more information.
*/
#include "style-subject.h"
#include "desktop.h"
#include "desktop-style.h"
#include "selection.h"
#include "xml/sp-css-attr.h"
namespace Inkscape {
namespace UI {
namespace Widget {
StyleSubject::StyleSubject() : _desktop(nullptr) {
}
StyleSubject::~StyleSubject() {
setDesktop(nullptr);
}
void StyleSubject::setDesktop(SPDesktop *desktop) {
if (desktop != _desktop) {
if (desktop) {
GC::anchor(desktop);
}
if (_desktop) {
GC::release(_desktop);
}
_desktop = desktop;
_afterDesktopSwitch(desktop);
_emitChanged();
}
}
StyleSubject::Selection::Selection() = default;
StyleSubject::Selection::~Selection() = default;
Inkscape::Selection *StyleSubject::Selection::_getSelection() const {
SPDesktop *desktop = getDesktop();
if (desktop) {
return desktop->getSelection();
} else {
return nullptr;
}
}
std::vector<SPObject*> StyleSubject::Selection::list() {
Inkscape::Selection *selection = _getSelection();
if(selection) {
return std::vector<SPObject *>(selection->objects().begin(), selection->objects().end());
}
return std::vector<SPObject*>();
}
Geom::OptRect StyleSubject::Selection::getBounds(SPItem::BBoxType type) {
Inkscape::Selection *selection = _getSelection();
if (selection) {
return selection->bounds(type);
} else {
return Geom::OptRect();
}
}
int StyleSubject::Selection::queryStyle(SPStyle *query, int property) {
SPDesktop *desktop = getDesktop();
if (desktop) {
return sp_desktop_query_style(desktop, query, property);
} else {
return QUERY_STYLE_NOTHING;
}
}
void StyleSubject::Selection::_afterDesktopSwitch(SPDesktop *desktop) {
_sel_changed.disconnect();
_subsel_changed.disconnect();
_sel_modified.disconnect();
if (desktop) {
_subsel_changed = desktop->connectToolSubselectionChanged(sigc::hide(sigc::mem_fun(*this, &Selection::_emitChanged)));
Inkscape::Selection *selection = desktop->getSelection();
if (selection) {
_sel_changed = selection->connectChanged(sigc::hide(sigc::mem_fun(*this, &Selection::_emitChanged)));
_sel_modified = selection->connectModified(sigc::mem_fun(*this, &Selection::_emitModified));
}
}
}
void StyleSubject::Selection::setCSS(SPCSSAttr *css) {
SPDesktop *desktop = getDesktop();
if (desktop) {
sp_desktop_set_style(desktop, css);
}
}
StyleSubject::CurrentLayer::CurrentLayer() {
_element = nullptr;
}
StyleSubject::CurrentLayer::~CurrentLayer() = default;
void StyleSubject::CurrentLayer::_setLayer(SPObject *layer) {
_layer_release.disconnect();
_layer_modified.disconnect();
if (_element) {
sp_object_unref(_element, nullptr);
}
_element = layer;
if (layer) {
sp_object_ref(layer, nullptr);
_layer_release = layer->connectRelease(sigc::hide(sigc::bind(sigc::mem_fun(*this, &CurrentLayer::_setLayer), (SPObject *)nullptr)));
_layer_modified = layer->connectModified(sigc::hide(sigc::hide(sigc::mem_fun(*this, &CurrentLayer::_emitChanged))));
}
_emitChanged();
}
SPObject *StyleSubject::CurrentLayer::_getLayer() const {
return _element;
}
SPObject *StyleSubject::CurrentLayer::_getLayerSList() const {
return _element;
}
std::vector<SPObject*> StyleSubject::CurrentLayer::list(){
std::vector<SPObject*> list;
list.push_back(_element);
return list;
}
Geom::OptRect StyleSubject::CurrentLayer::getBounds(SPItem::BBoxType type) {
SPObject *layer = _getLayer();
if (layer && SP_IS_ITEM(layer)) {
return SP_ITEM(layer)->desktopBounds(type);
} else {
return Geom::OptRect();
}
}
int StyleSubject::CurrentLayer::queryStyle(SPStyle *query, int property) {
std::vector<SPItem*> list;
SPObject* i=_getLayerSList();
if (i) {
list.push_back((SPItem*)i);
return sp_desktop_query_style_from_list(list, query, property);
} else {
return QUERY_STYLE_NOTHING;
}
}
void StyleSubject::CurrentLayer::setCSS(SPCSSAttr *css) {
SPObject *layer = _getLayer();
if (layer) {
sp_desktop_apply_css_recursive(layer, css, true);
}
}
void StyleSubject::CurrentLayer::_afterDesktopSwitch(SPDesktop *desktop) {
_layer_switched.disconnect();
if (desktop) {
_layer_switched = desktop->connectCurrentLayerChanged(sigc::mem_fun(*this, &CurrentLayer::_setLayer));
_setLayer(desktop->currentLayer());
} else {
_setLayer(nullptr);
}
}
}
}
}
/*
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 :
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