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// 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
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