1 files changed, 32 insertions, 0 deletions
diff --git a/src/ui/widget/gradient-selector-interface.h b/src/ui/widget/gradient-selector-interface.h
new file mode 100644
index 0000000..b6833cf
--- /dev/null
+++ b/src/ui/widget/gradient-selector-interface.h
@@ -0,0 +1,32 @@
+// SPDX-License-Identifier: GPL-2.0-or-later
+#ifndef SEEN_GRADIENT_SELECTOR_INTERFACE_H
+#define SEEN_GRADIENT_SELECTOR_INTERFACE_H
+
+#include "object/sp-gradient.h"
+#include "object/sp-gradient-spread.h"
+#include "object/sp-gradient-units.h"
+
+class GradientSelectorInterface {
+public:
+	enum SelectorMode { MODE_LINEAR, MODE_RADIAL, MODE_SWATCH };
+
+	// pass gradient object (SPLinearGradient or SPRadialGradient)
+	virtual void setGradient(SPGradient* gradient) = 0;
+
+	virtual SPGradient* getVector() = 0;
+	virtual void setVector(SPDocument* doc, SPGradient* vector) = 0;
+	virtual void setMode(SelectorMode mode) = 0;
+	virtual void setUnits(SPGradientUnits units) = 0;
+	virtual SPGradientUnits getUnits() = 0;
+	virtual void setSpread(SPGradientSpread spread) = 0;
+	virtual SPGradientSpread getSpread() = 0;
+	virtual void selectStop(SPStop* selected) {};
+
+	sigc::signal<void (SPStop*)>& signal_stop_selected() { return _signal_stop_selected; }
+	void emit_stop_selected(SPStop* stop) { _signal_stop_selected.emit(stop); }
+
+private:
+	sigc::signal<void (SPStop*)> _signal_stop_selected;
+};
+
+#endif