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Diffstat (limited to '')
-rw-r--r-- | src/ui/widget/style-subject.cpp | 189 |
1 files changed, 189 insertions, 0 deletions
diff --git a/src/ui/widget/style-subject.cpp b/src/ui/widget/style-subject.cpp new file mode 100644 index 0000000..9c30a42 --- /dev/null +++ b/src/ui/widget/style-subject.cpp @@ -0,0 +1,189 @@ +// 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 : |