1 files changed, 159 insertions, 0 deletions
diff --git a/src/ui/selected-color.cpp b/src/ui/selected-color.cpp
new file mode 100644
index 0000000..d8bbab1
--- /dev/null
+++ b/src/ui/selected-color.cpp
@@ -0,0 +1,159 @@
+// SPDX-License-Identifier: GPL-2.0-or-later
+/** @file
+ * Color selected in color selector widget.
+ * This file was created during the refactoring of SPColorSelector
+ *//*
+ * Authors:
+ *	 bulia byak <buliabyak@users.sf.net>
+ *   Jon A. Cruz <jon@joncruz.org>
+ *   Tomasz Boczkowski <penginsbacon@gmail.com>
+ *
+ * Copyright (C) 2014 Authors
+ * Released under GNU GPL v2+, read the file 'COPYING' for more information.
+ */
+
+#include <glibmm/ustring.h>
+#include <cmath>
+
+#include "svg/svg-icc-color.h"
+#include "ui/selected-color.h"
+
+namespace Inkscape {
+namespace UI {
+
+double const SelectedColor::_EPSILON = 1e-4;
+
+SelectedColor::SelectedColor()
+	: _color(0)
+    , _alpha(1.0)
+    , _held(false)
+    , _virgin(true)
+    , _updating(false)
+{
+
+}
+
+SelectedColor::~SelectedColor() = default;
+
+void SelectedColor::setColor(SPColor const &color)
+{
+    setColorAlpha( color, _alpha);
+}
+
+SPColor SelectedColor::color() const
+{
+    return _color;
+}
+
+void SelectedColor::setAlpha(gfloat alpha)
+{
+    g_return_if_fail( ( 0.0 <= alpha ) && ( alpha <= 1.0 ) );
+    setColorAlpha( _color, alpha);
+}
+
+gfloat SelectedColor::alpha() const
+{
+    return _alpha;
+}
+
+void SelectedColor::setValue(guint32 value)
+{
+    SPColor color(value);
+    gfloat alpha = SP_RGBA32_A_F(value);
+    setColorAlpha(color, alpha);
+}
+
+guint32 SelectedColor::value() const
+{
+    return color().toRGBA32(_alpha);
+}
+
+void SelectedColor::setColorAlpha(SPColor const &color, gfloat alpha, bool emit_signal)
+{
+#ifdef DUMP_CHANGE_INFO
+    g_message("SelectedColor::setColorAlpha( this=%p, %f, %f, %f, %s,   %f,   %s)", this, color.v.c[0], color.v.c[1], color.v.c[2], (color.icc?color.icc->colorProfile.c_str():"<null>"), alpha, (emit_signal?"YES":"no"));
+#endif
+    g_return_if_fail( ( 0.0 <= alpha ) && ( alpha <= 1.0 ) );
+
+    if (_updating) {
+        return;
+    }
+
+#ifdef DUMP_CHANGE_INFO
+    g_message("---- SelectedColor::setColorAlpha    virgin:%s   !close:%s    alpha is:%s",
+              (_virgin?"YES":"no"),
+              (!color.isClose( _color, _EPSILON )?"YES":"no"),
+              ((fabs((_alpha) - (alpha)) >= _EPSILON )?"YES":"no")
+              );
+#endif
+
+    if ( _virgin || !color.isClose( _color, _EPSILON ) ||
+         (fabs((_alpha) - (alpha)) >= _EPSILON )) {
+
+        _virgin = false;
+
+        _color = color;
+        _alpha = alpha;
+
+        if (emit_signal)
+        {
+            _updating = true;
+            if (_held) {
+                signal_dragged.emit();
+            } else {
+                signal_changed.emit();
+            }
+            _updating = false;
+        }
+
+#ifdef DUMP_CHANGE_INFO
+    } else {
+        g_message("++++ SelectedColor::setColorAlpha   color:%08x  ==>  _color:%08X   isClose:%s", color.toRGBA32(alpha), _color.toRGBA32(_alpha),
+                  (color.isClose( _color, _EPSILON )?"YES":"no"));
+#endif
+    }
+}
+
+void SelectedColor::colorAlpha(SPColor &color, gfloat &alpha) const {
+	color = _color;
+	alpha = _alpha;
+}
+
+void SelectedColor::setHeld(bool held) {
+    if (_updating) {
+        return;
+    }
+    bool grabbed = held && !_held;
+    bool released = !held && _held;
+
+    _held = held;
+
+    _updating = true;
+    if (grabbed) {
+        signal_grabbed.emit();
+    }
+
+    if (released) {
+        signal_released.emit();
+        // signal_changed.emit();  // TODO: signal_changed isn't emitted after dragging!
+    }
+    _updating = false;
+}
+
+void SelectedColor::preserveICC() {
+    _color.icc = _color.icc ? new SVGICCColor(*_color.icc) : 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 :