1 files changed, 114 insertions, 0 deletions
diff --git a/src/ui/widget/gradient-editor.h b/src/ui/widget/gradient-editor.h
new file mode 100644
index 0000000..6b62164
--- /dev/null
+++ b/src/ui/widget/gradient-editor.h
@@ -0,0 +1,114 @@
+// SPDX-License-Identifier: GPL-2.0-or-later
+#ifndef SEEN_GRADIENT_EDITOR_H
+#define SEEN_GRADIENT_EDITOR_H
+
+#include <gtkmm/box.h>
+#include <gtkmm/grid.h>
+#include <gtkmm/button.h>
+#include <gtkmm/spinbutton.h>
+#include <gtkmm/popover.h>
+#include <gtkmm/image.h>
+#include <gtkmm/expander.h>
+#include <gtkmm/liststore.h>
+#include <gtkmm/treemodelcolumn.h>
+#include <gtkmm/builder.h>
+#include <optional>
+
+#include "object/sp-gradient.h"
+#include "object/sp-stop.h"
+#include "ui/selected-color.h"
+#include "spin-scale.h"
+#include "gradient-with-stops.h"
+#include "gradient-selector-interface.h"
+#include "ui/operation-blocker.h"
+
+namespace Inkscape {
+namespace UI {
+namespace Widget {
+
+class GradientSelector;
+
+class GradientEditor : public Gtk::Box, public GradientSelectorInterface {
+public:
+    GradientEditor(const char* prefs);
+    ~GradientEditor() noexcept override;
+
+private:
+    sigc::signal<void> _signal_grabbed;
+    sigc::signal<void> _signal_dragged;
+    sigc::signal<void> _signal_released;
+    sigc::signal<void, SPGradient*> _signal_changed;
+
+public:
+    decltype(_signal_changed) signal_changed() const { return _signal_changed; }
+    decltype(_signal_grabbed) signal_grabbed() const { return _signal_grabbed; }
+    decltype(_signal_dragged) signal_dragged() const { return _signal_dragged; }
+    decltype(_signal_released) signal_released() const { return _signal_released; }
+
+    void setGradient(SPGradient* gradient) override;
+    SPGradient* getVector() override;
+    void setVector(SPDocument* doc, SPGradient* vector) override;
+    void setMode(SelectorMode mode) override;
+    void setUnits(SPGradientUnits units) override;
+    SPGradientUnits getUnits() override;
+    void setSpread(SPGradientSpread spread) override;
+    SPGradientSpread getSpread() override;
+    void selectStop(SPStop* selected) override;
+
+private:
+    void set_gradient(SPGradient* gradient);
+    void stop_selected();
+    void insert_stop_at(double offset);
+    void add_stop(int index);
+    void duplicate_stop();
+    void delete_stop(int index);
+    void show_stops(bool visible);
+    void update_stops_layout();
+    void set_repeat_mode(SPGradientSpread mode);
+    void set_repeat_icon(SPGradientSpread mode);
+    void reverse_gradient();
+    void set_stop_color(SPColor color, float opacity);
+    std::optional<Gtk::TreeRow> current_stop();
+    SPStop* get_nth_stop(size_t index);
+    SPStop* get_current_stop();
+    bool select_stop(size_t index);
+    void set_stop_offset(size_t index, double offset);
+    SPGradient* get_gradient_vector();
+    void fire_stop_selected(SPStop* stop);
+
+    Glib::RefPtr<Gtk::Builder> _builder;
+    GradientSelector* _selector;
+    Inkscape::UI::SelectedColor _selected_color;
+    Gtk::Popover& _popover;
+    Gtk::Image& _repeat_icon;
+    GradientWithStops _gradient_image;
+    Glib::RefPtr<Gtk::ListStore> _stop_list_store;
+    Gtk::TreeModelColumnRecord _stop_columns;
+    Gtk::TreeModelColumn<SPStop*> _stopObj;
+    Gtk::TreeModelColumn<size_t> _stopIdx;
+    Gtk::TreeModelColumn<Glib::ustring> _stopID;
+    Gtk::TreeModelColumn<Glib::RefPtr<Gdk::Pixbuf>> _stop_color;
+    Gtk::TreeView& _stop_tree;
+    Gtk::SpinButton& _offset_btn;
+    Gtk::Button& _add_stop;
+    Gtk::Button& _delete_stop;
+    Gtk::Expander& _show_stops_list;
+    bool _stops_list_visible = true;
+    Gtk::Box& _stops_gallery;
+    Gtk::Box& _colors_box;
+    Gtk::ToggleButton& _linear_btn;
+    Gtk::ToggleButton& _radial_btn;
+    Gtk::Grid& _main_grid;
+    SPGradient* _gradient = nullptr;
+    SPDocument* _document = nullptr;
+    OperationBlocker _update;
+    OperationBlocker _notification;
+    Glib::ustring _prefs;
+};
+
+
+} // namespace Widget
+} // namespace UI
+} // namespace Inkscape
+
+#endif