1 files changed, 110 insertions, 0 deletions
diff --git a/src/ui/widget/color-scales.h b/src/ui/widget/color-scales.h
new file mode 100644
index 0000000..f3007fd
--- /dev/null
+++ b/src/ui/widget/color-scales.h
@@ -0,0 +1,110 @@
+// SPDX-License-Identifier: GPL-2.0-or-later
+/** @file
+ * TODO: insert short description here
+ *//*
+ * Authors: see git history
+ *
+ * Copyright (C) 2018 Authors
+ * Released under GNU GPL v2+, read the file 'COPYING' for more information.
+ */
+#ifndef SEEN_SP_COLOR_SCALES_H
+#define SEEN_SP_COLOR_SCALES_H
+
+#include <gtkmm/grid.h>
+
+#include "ui/selected-color.h"
+
+namespace Inkscape {
+namespace UI {
+namespace Widget {
+
+class ColorSlider;
+
+enum SPColorScalesMode {
+    SP_COLOR_SCALES_MODE_NONE = 0,
+    SP_COLOR_SCALES_MODE_RGB = 1,
+    SP_COLOR_SCALES_MODE_HSL = 2,
+    SP_COLOR_SCALES_MODE_CMYK = 3,
+    SP_COLOR_SCALES_MODE_HSV = 4
+};
+
+class ColorScales
+    : public Gtk::Grid
+{
+public:
+    static const gchar *SUBMODE_NAMES[];
+
+    static gfloat getScaled(const GtkAdjustment *a);
+    static void setScaled(GtkAdjustment *a, gfloat v, bool constrained = false);
+
+    ColorScales(SelectedColor &color, SPColorScalesMode mode);
+    ~ColorScales() override;
+
+    virtual void _initUI(SPColorScalesMode mode);
+
+    void setMode(SPColorScalesMode mode);
+    SPColorScalesMode getMode() const;
+
+protected:
+    void _onColorChanged();
+    void on_show() override;
+
+    static void _adjustmentAnyChanged(GtkAdjustment *adjustment, ColorScales *cs);
+    void _sliderAnyGrabbed();
+    void _sliderAnyReleased();
+    void _sliderAnyChanged();
+    static void _adjustmentChanged(ColorScales *cs, guint channel);
+
+    void _getRgbaFloatv(gfloat *rgba);
+    void _getCmykaFloatv(gfloat *cmyka);
+    guint32 _getRgba32();
+    void _updateSliders(guint channels);
+    void _recalcColor();
+    void _updateDisplay();
+
+    void _setRangeLimit(gdouble upper);
+
+    SelectedColor &_color;
+    SPColorScalesMode _mode;
+    gdouble _rangeLimit;
+    gboolean _updating : 1;
+    gboolean _dragging : 1;
+    GtkAdjustment *_a[5];                     /* Channel adjustments */
+    Inkscape::UI::Widget::ColorSlider *_s[5]; /* Channel sliders */
+    GtkWidget *_b[5];                         /* Spinbuttons */
+    GtkWidget *_l[5];                         /* Labels */
+
+private:
+    // By default, disallow copy constructor and assignment operator
+    ColorScales(ColorScales const &obj) = delete;
+    ColorScales &operator=(ColorScales const &obj) = delete;
+};
+
+class ColorScalesFactory : public Inkscape::UI::ColorSelectorFactory
+{
+public:
+    ColorScalesFactory(SPColorScalesMode submode);
+    ~ColorScalesFactory() override;
+
+    Gtk::Widget *createWidget(Inkscape::UI::SelectedColor &color) const override;
+    Glib::ustring modeName() const override;
+
+private:
+    SPColorScalesMode _submode;
+};
+
+}
+}
+}
+
+#endif /* !SEEN_SP_COLOR_SCALES_H */
+/*
+  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 :