From 390df41f307cc90ebb87165c8035337e238de4d7 Mon Sep 17 00:00:00 2001
From: lisyarus <lisyarus@gmail.com>
Date: Mon, 7 Mar 2022 21:47:27 +0300
Subject: [PATCH] Add ui::progress_bar

---
 libs/ui/include/psemek/ui/element_factory.hpp |  2 ++
 libs/ui/include/psemek/ui/progress_bar.hpp    | 22 +++++++++++++++++++
 libs/ui/source/element_factory.cpp            |  2 ++
 libs/ui/source/progress_bar.cpp               | 13 +++++++++++
 4 files changed, 39 insertions(+)
 create mode 100644 libs/ui/include/psemek/ui/progress_bar.hpp
 create mode 100644 libs/ui/source/progress_bar.cpp

diff --git a/libs/ui/include/psemek/ui/element_factory.hpp b/libs/ui/include/psemek/ui/element_factory.hpp
index 1e9b0316..7c34ec73 100644
--- a/libs/ui/include/psemek/ui/element_factory.hpp
+++ b/libs/ui/include/psemek/ui/element_factory.hpp
@@ -14,6 +14,7 @@
 #include <psemek/ui/slider.hpp>
 #include <psemek/ui/spinbox.hpp>
 #include <psemek/ui/scroller.hpp>
+#include <psemek/ui/progress_bar.hpp>
 
 #include <psemek/gfx/texture.hpp>
 
@@ -45,6 +46,7 @@ namespace psemek::ui
 		// 3 - right
 		virtual std::shared_ptr<button> make_arrow_button(int direction);
 		virtual std::shared_ptr<scroller> make_scroller();
+		virtual std::shared_ptr<progress_bar> make_progress_bar();
 
 		virtual ~element_factory() {}
 	};
diff --git a/libs/ui/include/psemek/ui/progress_bar.hpp b/libs/ui/include/psemek/ui/progress_bar.hpp
new file mode 100644
index 00000000..2c66609a
--- /dev/null
+++ b/libs/ui/include/psemek/ui/progress_bar.hpp
@@ -0,0 +1,22 @@
+#pragma once
+
+#include <psemek/ui/element.hpp>
+#include <psemek/ui/label.hpp>
+
+namespace psemek::ui
+{
+
+	struct progress_bar
+		: element
+	{
+		virtual float value() const { return value_; }
+		virtual void set_value(float value);
+
+		virtual struct label * label() { return nullptr; }
+		virtual struct label const * label() const { return nullptr; }
+
+	private:
+		float value_ = 0.f;
+	};
+
+}
diff --git a/libs/ui/source/element_factory.cpp b/libs/ui/source/element_factory.cpp
index ad3dfe24..80dfc388 100644
--- a/libs/ui/source/element_factory.cpp
+++ b/libs/ui/source/element_factory.cpp
@@ -119,4 +119,6 @@ namespace psemek::ui
 
 	std::shared_ptr<scroller> element_factory::make_scroller() { return nullptr; }
 
+	std::shared_ptr<progress_bar> element_factory::make_progress_bar() { return nullptr; }
+
 }
diff --git a/libs/ui/source/progress_bar.cpp b/libs/ui/source/progress_bar.cpp
new file mode 100644
index 00000000..618b6538
--- /dev/null
+++ b/libs/ui/source/progress_bar.cpp
@@ -0,0 +1,13 @@
+#include <psemek/ui/progress_bar.hpp>
+
+#include <psemek/geom/interval.hpp>
+
+namespace psemek::ui
+{
+
+	void progress_bar::set_value(float value)
+	{
+		value_ = geom::clamp(value, {0.f, 1.f});
+	}
+
+}