1 files changed, 115 insertions, 0 deletions
diff --git a/src/live_effects/parameter/enum.h b/src/live_effects/parameter/enum.h
new file mode 100644
index 0000000..91af18c
--- /dev/null
+++ b/src/live_effects/parameter/enum.h
@@ -0,0 +1,115 @@
+// SPDX-License-Identifier: GPL-2.0-or-later
+#ifndef INKSCAPE_LIVEPATHEFFECT_PARAMETER_ENUM_H
+#define INKSCAPE_LIVEPATHEFFECT_PARAMETER_ENUM_H
+
+/*
+ * Inkscape::LivePathEffectParameters
+ *
+ * Copyright (C) Johan Engelen 2007 <j.b.c.engelen@utwente.nl>
+ *
+ * Released under GNU GPL v2+, read the file 'COPYING' for more information.
+ */
+
+#include <glibmm/ustring.h>
+
+#include "live_effects/effect.h"
+#include "live_effects/parameter/parameter.h"
+
+#include "ui/icon-names.h"
+#include "ui/widget/registered-enums.h"
+
+namespace Inkscape {
+
+namespace LivePathEffect {
+
+template<typename E> class EnumParam : public Parameter {
+public:
+    EnumParam(  const Glib::ustring& label,
+                const Glib::ustring& tip,
+                const Glib::ustring& key,
+                const Util::EnumDataConverter<E>& c,
+                Inkscape::UI::Widget::Registry* wr,
+                Effect* effect,
+                E default_value,
+                bool sort = true)
+        : Parameter(label, tip, key, wr, effect)
+    {
+        enumdataconv = &c;
+        defvalue = default_value;
+        value = defvalue;
+        sorted = sort;
+    };
+
+    ~EnumParam() override = default;;
+    EnumParam(const EnumParam&) = delete;
+    EnumParam& operator=(const EnumParam&) = delete;
+
+    Gtk::Widget * param_newWidget() override {
+        Inkscape::UI::Widget::RegisteredEnum<E> *regenum = Gtk::manage ( 
+            new Inkscape::UI::Widget::RegisteredEnum<E>( param_label, param_tooltip,
+                       param_key, *enumdataconv, *param_wr, param_effect->getRepr(), param_effect->getSPDoc(), sorted ) );
+
+        regenum->set_active_by_id(value);
+        regenum->combobox()->setProgrammatically = false;
+        regenum->combobox()->signal_changed().connect(sigc::mem_fun (*this, &EnumParam::_on_change_combo));
+        regenum->set_undo_parameters(_("Change enumeration parameter"), INKSCAPE_ICON("dialog-path-effects"));
+        
+        return dynamic_cast<Gtk::Widget *> (regenum);
+    };
+    void _on_change_combo() { param_effect->refresh_widgets = true; }
+    bool param_readSVGValue(const gchar * strvalue) override {
+        if (!strvalue) {
+            param_set_default();
+            return true;
+        }
+
+        param_set_value( enumdataconv->get_id_from_key(Glib::ustring(strvalue)) );
+
+        return true;
+    };
+    Glib::ustring param_getSVGValue() const override {
+        return enumdataconv->get_key(value);
+    };
+    
+    Glib::ustring param_getDefaultSVGValue() const override {
+        return enumdataconv->get_key(defvalue).c_str();
+    };
+    
+    E get_value() const {
+        return value;
+    }
+
+    inline operator E() const {
+        return value;
+    };
+
+    void param_set_default() override {
+        param_set_value(defvalue);
+    }
+    
+    void param_update_default(E default_value) {
+        defvalue = default_value;
+    }
+    
+    void param_update_default(const gchar * default_value) override {
+        param_update_default(enumdataconv->get_id_from_key(Glib::ustring(default_value)));
+    }
+    
+    void param_set_value(E val) {
+        value = val;
+    }
+    ParamType paramType() const override { return ParamType::ENUM; };
+private:
+    E value;
+    E defvalue;
+    bool sorted;
+
+    const Util::EnumDataConverter<E> * enumdataconv;
+};
+
+
+}; //namespace LivePathEffect
+
+}; //namespace Inkscape
+
+#endif