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authorDaniel Baumann <daniel.baumann@progress-linux.org>2024-04-13 11:50:49 +0000
committerDaniel Baumann <daniel.baumann@progress-linux.org>2024-04-13 11:50:49 +0000
commitc853ffb5b2f75f5a889ed2e3ef89b818a736e87a (patch)
tree7d13a0883bb7936b84d6ecdd7bc332b41ed04bee /src/ui/widget/layer-selector.cpp
parentInitial commit. (diff)
downloadinkscape-c853ffb5b2f75f5a889ed2e3ef89b818a736e87a.tar.xz
inkscape-c853ffb5b2f75f5a889ed2e3ef89b818a736e87a.zip
Adding upstream version 1.3+ds.upstream/1.3+dsupstream
Signed-off-by: Daniel Baumann <daniel.baumann@progress-linux.org>
Diffstat (limited to 'src/ui/widget/layer-selector.cpp')
-rw-r--r--src/ui/widget/layer-selector.cpp219
1 files changed, 219 insertions, 0 deletions
diff --git a/src/ui/widget/layer-selector.cpp b/src/ui/widget/layer-selector.cpp
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+// SPDX-License-Identifier: GPL-2.0-or-later
+/*
+ * Inkscape::Widgets::LayerSelector - layer selector widget
+ *
+ * Authors:
+ * MenTaLguY <mental@rydia.net>
+ * Abhishek Sharma
+ *
+ * Copyright (C) 2004 MenTaLguY
+ *
+ * Released under GNU GPL v2+, read the file 'COPYING' for more information.
+ */
+
+#include <cstring>
+#include <string>
+
+#include <boost/range/adaptor/filtered.hpp>
+#include <boost/range/adaptor/reversed.hpp>
+
+#include <glibmm/i18n.h>
+
+#include "desktop.h"
+#include "document-undo.h"
+#include "document.h"
+#include "layer-manager.h"
+
+#include "ui/widget/layer-selector.h"
+#include "ui/dialog/dialog-container.h"
+#include "ui/dialog/objects.h"
+#include "ui/icon-loader.h"
+#include "ui/icon-names.h"
+#include "ui/util.h"
+
+#include "object/sp-root.h"
+#include "object/sp-item-group.h"
+
+namespace Inkscape {
+namespace UI {
+namespace Widget {
+
+class AlternateIcons : public Gtk::Box {
+public:
+ AlternateIcons(Gtk::BuiltinIconSize size, Glib::ustring const &a, Glib::ustring const &b)
+ : Gtk::Box(Gtk::ORIENTATION_HORIZONTAL)
+ , _a(nullptr)
+ , _b(nullptr)
+ {
+ set_name("AlternateIcons");
+ if (!a.empty()) {
+ _a = Gtk::manage(sp_get_icon_image(a, size));
+ _a->set_no_show_all(true);
+ add(*_a);
+ }
+ if (!b.empty()) {
+ _b = Gtk::manage(sp_get_icon_image(b, size));
+ _b->set_no_show_all(true);
+ add(*_b);
+ }
+ setState(false);
+ }
+
+ bool state() const { return _state; }
+ void setState(bool state) {
+ _state = state;
+ if (_state) {
+ if (_a) _a->hide();
+ if (_b) _b->show();
+ } else {
+ if (_a) _a->show();
+ if (_b) _b->hide();
+ }
+ }
+private:
+ Gtk::Image *_a;
+ Gtk::Image *_b;
+ bool _state;
+};
+
+LayerSelector::LayerSelector(SPDesktop *desktop)
+ : Gtk::Box(Gtk::ORIENTATION_HORIZONTAL)
+ , _desktop(nullptr)
+ , _observer(new Inkscape::XML::SignalObserver)
+{
+ set_name("LayerSelector");
+
+ _layer_name.signal_clicked().connect(sigc::mem_fun(*this, &LayerSelector::_layerChoose));
+ _layer_name.set_relief(Gtk::RELIEF_NONE);
+ _layer_name.set_tooltip_text(_("Current layer"));
+ pack_start(_layer_name, Gtk::PACK_EXPAND_WIDGET);
+
+ _eye_label = Gtk::manage(new AlternateIcons(Gtk::ICON_SIZE_MENU,
+ INKSCAPE_ICON("object-visible"), INKSCAPE_ICON("object-hidden")));
+ _eye_toggle.add(*_eye_label);
+ _hide_layer_connection = _eye_toggle.signal_toggled().connect(sigc::mem_fun(*this, &LayerSelector::_hideLayer));
+
+ _eye_toggle.set_relief(Gtk::RELIEF_NONE);
+ _eye_toggle.set_tooltip_text(_("Toggle current layer visibility"));
+ pack_start(_eye_toggle, Gtk::PACK_EXPAND_PADDING);
+
+ _lock_label = Gtk::manage(new AlternateIcons(Gtk::ICON_SIZE_MENU,
+ INKSCAPE_ICON("object-unlocked"), INKSCAPE_ICON("object-locked")));
+ _lock_toggle.add(*_lock_label);
+ _lock_layer_connection = _lock_toggle.signal_toggled().connect(sigc::mem_fun(*this, &LayerSelector::_lockLayer));
+
+ _lock_toggle.set_relief(Gtk::RELIEF_NONE);
+ _lock_toggle.set_tooltip_text(_("Lock or unlock current layer"));
+ pack_start(_lock_toggle, Gtk::PACK_EXPAND_PADDING);
+
+ _layer_name.add(_layer_label);
+ _layer_label.set_max_width_chars(16);
+ _layer_label.set_ellipsize(Pango::ELLIPSIZE_END);
+ _layer_label.set_markup("<i>Unset</i>");
+ _layer_label.set_valign(Gtk::ALIGN_CENTER);
+
+ _observer->signal_changed().connect(sigc::mem_fun(*this, &LayerSelector::_layerModified));
+ setDesktop(desktop);
+}
+
+LayerSelector::~LayerSelector() {
+ setDesktop(nullptr);
+}
+
+void LayerSelector::setDesktop(SPDesktop *desktop) {
+ if ( desktop == _desktop )
+ return;
+
+ _layer_changed.disconnect();
+ _desktop = desktop;
+
+ if (_desktop) {
+ _layer_changed = _desktop->layerManager().connectCurrentLayerChanged(sigc::mem_fun(*this, &LayerSelector::_layerChanged));
+ _layerChanged(_desktop->layerManager().currentLayer());
+ }
+}
+
+/**
+ * Selects the given layer in the widget.
+ */
+void LayerSelector::_layerChanged(SPGroup *layer)
+{
+ _layer = layer;
+ _observer->set(layer);
+ _layerModified();
+}
+
+/**
+ * If anything happens to the layer, refresh it.
+ */
+void LayerSelector::_layerModified()
+{
+ auto root = _desktop->layerManager().currentRoot();
+ bool active = _layer && _layer != root;
+
+ if (_label_style) {
+ _layer_label.get_style_context()->remove_provider(_label_style);
+ }
+ auto color_str = std::string("white");
+
+ if (active) {
+ _layer_label.set_text(_layer->defaultLabel());
+ color_str = SPColor(_layer->highlight_color()).toString();
+ } else {
+ _layer_label.set_markup(_layer ? "<i>[root]</i>" : "<i>nothing</i>");
+ }
+
+ Glib::RefPtr<Gtk::StyleContext> style_context = _layer_label.get_style_context();
+ _label_style = Gtk::CssProvider::create();
+ _label_style->load_from_data("#LayerSelector label {border-color:" + color_str + ";}");
+ _layer_label.get_style_context()->add_provider(_label_style, GTK_STYLE_PROVIDER_PRIORITY_APPLICATION);
+
+ _hide_layer_connection.block();
+ _lock_layer_connection.block();
+ _eye_toggle.set_sensitive(active);
+ _lock_toggle.set_sensitive(active);
+ _eye_label->setState(active && _layer->isHidden());
+ _eye_toggle.set_active(active && _layer->isHidden());
+ _lock_label->setState(active && _layer->isLocked());
+ _lock_toggle.set_active(active && _layer->isLocked());
+ _hide_layer_connection.unblock();
+ _lock_layer_connection.unblock();
+}
+
+void LayerSelector::_lockLayer()
+{
+ bool lock = _lock_toggle.get_active();
+ if (auto layer = _desktop->layerManager().currentLayer()) {
+ layer->setLocked(lock);
+ DocumentUndo::done(_desktop->getDocument(), lock ? _("Lock layer") : _("Unlock layer"), "");
+ }
+}
+
+void LayerSelector::_hideLayer()
+{
+ bool hide = _eye_toggle.get_active();
+ if (auto layer = _desktop->layerManager().currentLayer()) {
+ layer->setHidden(hide);
+ DocumentUndo::done(_desktop->getDocument(), hide ? _("Hide layer") : _("Unhide layer"), "");
+ }
+}
+
+void LayerSelector::_layerChoose()
+{
+ _desktop->getContainer()->new_dialog("Objects");
+}
+
+} // namespace Widget
+} // namespace UI
+} // namespace Inkscape
+
+/*
+ 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 :