From c94e93337b778db7e024483f3f261dcef4bd19c5 Mon Sep 17 00:00:00 2001
From: Stijn Buys <ingar@osirion.org>
Date: Fri, 29 Jul 2016 18:32:19 +0200
Subject: Added checkbox widget.

---
 src/ui/Makefile.am |   2 +
 src/ui/checkbox.cc | 135 +++++++++++++++++++++++++++++++++++++++++++++++++++++
 src/ui/checkbox.h  |  86 ++++++++++++++++++++++++++++++++++
 3 files changed, 223 insertions(+)
 create mode 100644 src/ui/checkbox.cc
 create mode 100644 src/ui/checkbox.h

diff --git a/src/ui/Makefile.am b/src/ui/Makefile.am
index 340f8fb..1485565 100644
--- a/src/ui/Makefile.am
+++ b/src/ui/Makefile.am
@@ -11,6 +11,7 @@ endif
 noinst_HEADERS = \
 	bitmap.h \
 	button.h \
+	checkbox.h \
 	colorpicker.h \
 	console.h \
 	definitions.h \
@@ -35,6 +36,7 @@ noinst_HEADERS = \
 libui_la_SOURCES = \
 	bitmap.cc \
 	button.cc \
+	checkbox.cc \
 	colorpicker.cc \
 	console.cc \
 	font.cc \
diff --git a/src/ui/checkbox.cc b/src/ui/checkbox.cc
new file mode 100644
index 0000000..575b3d4
--- /dev/null
+++ b/src/ui/checkbox.cc
@@ -0,0 +1,135 @@
+/*
+   ui/checkbox.cc
+   This file is part of the Osirion project and is distributed under
+   the terms of the GNU General Public License version 2
+*/
+
+#include "ui/checkbox.h"
+#include "ui/paint.h"
+#include "math/functions.h"
+#include "audio/audio.h"
+#include "core/application.h"
+
+namespace ui {
+	
+Checkbox::Checkbox(Widget *parent, const char *text) : Widget(parent)
+{
+	set_label("checkbox");
+	set_background(false);
+	set_border(false);
+	if (text)
+	{
+		_text.assign(text);
+	}
+}
+
+Checkbox::~Checkbox()
+{
+}
+
+void Checkbox::set_text(const std::string &text)
+{
+	_text.assign(text);
+}
+
+void Checkbox::set_text(const char *text)
+{
+	if (text)
+	{
+		_text.assign(text);
+	}
+	else
+	{
+		_text.clear();
+	}
+}
+
+void Checkbox::set_value(const bool value)
+{
+	_value = value;
+}
+
+void Checkbox::print(const size_t indent) const
+{
+	std::string marker("");
+	con_print << aux::pad_left(marker, indent*2) << label() << " \"" << (value() ? "true" : "false") << "\"" << std::endl;
+}
+
+void Checkbox::draw()
+{
+	const float iconwidth = math::min(width(), height());
+	math::Vector2f s(iconwidth, iconwidth);
+	math::Vector2f l(global_location());
+
+	math::Color color;
+	if (disabled())
+	{
+		color.assign(palette()->disabled());
+	} 
+	else if (has_mouse_focus()) 
+	{
+		color.assign(palette()->highlight());
+	} 
+	else
+	{
+		color.assign(palette()->foreground());
+	}	
+
+	std::string iconname(value() ? "bitmaps/ui/checkbox_on" : "bitmaps/ui/checkbox_off");
+	Paint::draw_bitmap(l, s, color, iconname);
+	
+	l.get_x() += iconwidth;
+	s.get_x() = width() - iconwidth;
+	
+	Paint::set_color(color);
+	Paint::draw_label(l, s, font(), text(), AlignLeft | AlignVCenter);
+		
+		
+// 	if (enabled() && has_mouse_focus()) {
+// 		root()->set_pointer("action", Palette::Highlight);
+// 	}
+
+}
+
+void Checkbox::draw_border()
+{
+	if (disabled()) {
+		Paint::set_color(palette()->disabled());
+	} else if (has_mouse_focus()) {
+		math::Color color(palette()->foreground());
+		float t = core::application()->time();
+		t = t - floorf(t);
+		if (t > 0.5)
+			t = 1 - t;
+		color.a = 0.5f + t;
+		Paint::set_color(color);
+	} else {
+		Paint::set_color(palette()->border());
+	}
+
+	Paint::draw_border(global_location(), size());
+}
+
+bool Checkbox::on_mousepress(const unsigned int button)
+{
+	if (button == SDL_BUTTON_LEFT)
+	{
+		if (enabled())
+		{
+			audio::play("ui/clicked");
+			emit(EventClicked);
+			_value = !_value;
+		}
+		return true;
+	}
+	return false;
+}
+
+void Checkbox::on_mouseover(const math::Vector2f &cursor)
+{
+	if (enabled()) {
+		//audio::play("ui/select");
+	}
+}
+
+} // namespace ui
diff --git a/src/ui/checkbox.h b/src/ui/checkbox.h
new file mode 100644
index 0000000..aab42cf
--- /dev/null
+++ b/src/ui/checkbox.h
@@ -0,0 +1,86 @@
+/*
+   ui/checkbox.h
+   This file is part of the Osirion project and is distributed under
+   the terms of the GNU General Public License version 2
+*/
+
+#ifndef __INCLUDED_UI_CHECKBOX_H__
+#define __INCLUDED_UI_CHECKBOX_H__
+
+#include "ui/widget.h"
+
+namespace ui
+{
+
+/**
+ * @brief a checkbox widget
+ * */
+class Checkbox : public Widget
+{
+public:
+	Checkbox(Widget *parent, const char *text = 0);
+	~Checkbox();
+
+	/**
+	 * @brief set the text displayed next to the checkbox
+	 * */
+	inline const std::string & text() const {
+		return _text;
+	}
+	
+	/**
+	 * @brief current value indicated by the checkbox
+	 * */
+	inline const bool value() const {
+		return _value;
+	}
+	
+	/**
+	 * @brief set the text displayed next to the checkbox
+	 * */	
+	void set_text(const std::string &text);
+
+	/**
+	 * @brief set the text displayed next to the checkbox
+	 * If text is NULL, the displayed text will be cleared.
+	 * */
+	void set_text(const char *text);
+	
+	/**
+	 * @brief set the checkbox value
+	 * */
+	void set_value(const bool value);
+	
+	/**
+	 * @brief print checkbox description
+	 * */
+	virtual void print(const size_t indent) const;
+
+
+protected:
+	
+	/**
+	 * @brief mouse over event handler
+	 * */
+	virtual void on_mouseover(const math::Vector2f &cursor);
+
+	/**
+	 * @brief mouse button press event handler
+	 * */
+	virtual bool on_mousepress(const unsigned int button);
+
+	/// draw the button border
+	virtual void draw_border();
+
+	/// draw the button
+	virtual void draw();
+
+private:
+	bool		_value;
+	std::string	_text;
+};
+
+}
+
+#endif // __INCLUDED_UI_CHECKBOX_H__
+
-- 
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