1 files changed, 117 insertions, 0 deletions
diff --git a/src/ui/toolbar/dropper-toolbar.cpp b/src/ui/toolbar/dropper-toolbar.cpp
new file mode 100644
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+++ b/src/ui/toolbar/dropper-toolbar.cpp
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+// SPDX-License-Identifier: GPL-2.0-or-later
+/**
+ * @file
+ * Dropper aux toolbar
+ */
+/* Authors:
+ *   MenTaLguY <mental@rydia.net>
+ *   Lauris Kaplinski <lauris@kaplinski.com>
+ *   bulia byak <buliabyak@users.sf.net>
+ *   Frank Felfe <innerspace@iname.com>
+ *   John Cliff <simarilius@yahoo.com>
+ *   David Turner <novalis@gnu.org>
+ *   Josh Andler <scislac@scislac.com>
+ *   Jon A. Cruz <jon@joncruz.org>
+ *   Maximilian Albert <maximilian.albert@gmail.com>
+ *   Tavmjong Bah <tavmjong@free.fr>
+ *   Abhishek Sharma
+ *   Kris De Gussem <Kris.DeGussem@gmail.com>
+ *
+ * Copyright (C) 2004 David Turner
+ * Copyright (C) 2003 MenTaLguY
+ * Copyright (C) 1999-2011 authors
+ * Copyright (C) 2001-2002 Ximian, Inc.
+ *
+ * Released under GNU GPL v2+, read the file 'COPYING' for more information.
+ */
+
+#include <glibmm/i18n.h>
+
+#include "dropper-toolbar.h"
+#include "document-undo.h"
+#include "preferences.h"
+#include "desktop.h"
+
+#include "ui/widget/canvas.h" // Grab focus
+
+namespace Inkscape {
+namespace UI {
+namespace Toolbar {
+
+void DropperToolbar::on_pick_alpha_button_toggled()
+{
+    auto active = _pick_alpha_button->get_active();
+
+    auto prefs = Inkscape::Preferences::get();
+    prefs->setInt( "/tools/dropper/pick", active );
+
+    _set_alpha_button->set_sensitive(active);
+    _desktop->canvas->grab_focus();
+}
+
+void DropperToolbar::on_set_alpha_button_toggled()
+{
+    auto prefs = Inkscape::Preferences::get();
+    prefs->setBool( "/tools/dropper/setalpha", _set_alpha_button->get_active( ) );
+    _desktop->canvas->grab_focus();
+}
+
+/*
+ * TODO: Would like to add swatch of current color.
+ * TODO: Add queue of last 5 or so colors selected with new swatches so that
+ *       can drag and drop places. Will provide a nice mixing palette.
+ */
+DropperToolbar::DropperToolbar(SPDesktop *desktop)
+    : Toolbar(desktop)
+{
+    // Add widgets to toolbar
+    add_label(_("Opacity:"));
+    _pick_alpha_button = add_toggle_button(_("Pick"),
+                                           _("Pick both the color and the alpha (transparency) under cursor; "
+                                             "otherwise, pick only the visible color premultiplied by alpha"));
+    _set_alpha_button = add_toggle_button(_("Assign"),
+                                          _("If alpha was picked, assign it to selection "
+                                            "as fill or stroke transparency"));
+
+    Inkscape::Preferences *prefs = Inkscape::Preferences::get();
+
+    // Set initial state of widgets
+    auto pickAlpha = prefs->getInt( "/tools/dropper/pick", 1 );
+    auto setAlpha  = prefs->getBool( "/tools/dropper/setalpha", true);
+
+    _pick_alpha_button->set_active(pickAlpha);
+    _set_alpha_button->set_active(setAlpha);
+
+    // Make sure the set-alpha button is disabled if we're not picking alpha
+    _set_alpha_button->set_sensitive(pickAlpha);
+
+    // Connect signal handlers
+    auto pick_alpha_button_toggled_cb = sigc::mem_fun(*this, &DropperToolbar::on_pick_alpha_button_toggled);
+    auto set_alpha_button_toggled_cb  = sigc::mem_fun(*this, &DropperToolbar::on_set_alpha_button_toggled);
+
+    _pick_alpha_button->signal_toggled().connect(pick_alpha_button_toggled_cb);
+    _set_alpha_button->signal_toggled().connect(set_alpha_button_toggled_cb);
+
+    show_all();
+}
+
+GtkWidget *
+DropperToolbar::create(SPDesktop *desktop)
+{
+    auto toolbar = Gtk::manage(new DropperToolbar(desktop));
+    return GTK_WIDGET(toolbar->gobj());
+}
+}
+}
+}
+
+/*
+  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 :