From 21892f777ee38a93428e6a3804868eab73fc683d Mon Sep 17 00:00:00 2001
From: Alexander Sulfrian <alexander@sulfrian.net>
Date: Mon, 17 Sep 2012 01:44:40 +0200
Subject: menu/software_mouse_pointer: implement pressed state

---
 src/menu/software_mouse_pointer.cpp | 55 ++++++++++++++++++++++++++++++++++---
 src/menu/software_mouse_pointer.hpp | 14 ++++++++++
 2 files changed, 65 insertions(+), 4 deletions(-)

diff --git a/src/menu/software_mouse_pointer.cpp b/src/menu/software_mouse_pointer.cpp
index 99aed07a..d5be92d1 100644
--- a/src/menu/software_mouse_pointer.cpp
+++ b/src/menu/software_mouse_pointer.cpp
@@ -30,7 +30,7 @@
 namespace usdx
 {
 	SoftwareMousePointer::SoftwareMousePointer(Container* parent, EventManager* event_manager)
-		: DrawableControl(parent), color(255,255,255,100)
+		: DrawableControl(parent), color(255,255,255,100), down(false)
 	{
 		fade_inactive = new Timer(this, 2000, true);
 
@@ -51,11 +51,17 @@ namespace usdx
 
 		mouse_move_connection = event_manager->mouse_move.connect(
 			boost::bind(&SoftwareMousePointer::on_mouse_move, this, _1, _2));
+		mouse_down_connection = event_manager->mouse_down.connect(
+			boost::bind(&SoftwareMousePointer::on_mouse_down, this, _1, _2, _3));
+		mouse_up_connection = event_manager->mouse_up.connect(
+			boost::bind(&SoftwareMousePointer::on_mouse_up, this, _1, _2, _3));
 	}
 
 	SoftwareMousePointer::~SoftwareMousePointer()
 	{
 		mouse_move_connection.disconnect();
+		mouse_down_connection.disconnect();
+		mouse_up_connection.disconnect();
 
 		if (texture_normal != NULL) {
 			delete texture_normal;
@@ -68,6 +74,16 @@ namespace usdx
 		}
 	}
 
+	Texture* SoftwareMousePointer::get_current_texture() const
+	{
+		if (is_down()) {
+			return texture_pressed->get();
+		}
+		else {
+			return texture_normal->get();
+		}
+	}
+
 	void SoftwareMousePointer::draw(void)
 	{
 		if (fade_inactive->is_ready()) {
@@ -75,7 +91,7 @@ namespace usdx
 			return;
 		}
 
-		Activator<Texture> a(texture_normal->get());
+		Activator<Texture> a(get_current_texture());
 
 		glEnableClientState(GL_VERTEX_ARRAY);
 		glEnableClientState(GL_TEXTURE_COORD_ARRAY);
@@ -97,14 +113,45 @@ namespace usdx
 		glDisableClientState(GL_COLOR_ARRAY);
 	}
 
-	void SoftwareMousePointer::on_mouse_move(uint16_t x, uint16_t y)
+	void SoftwareMousePointer::update(void)
 	{
-		set_position(x, y);
 		fade_inactive->update();
 
 		if (!is_visible()) {
 			set_visible(true);
 		}
 	}
+
+	void SoftwareMousePointer::on_mouse_move(uint16_t x, uint16_t y)
+	{
+		set_position(x, y);
+		update();
+	}
+
+	void SoftwareMousePointer::on_mouse_down(uint8_t button, uint16_t x, uint16_t y)
+	{
+		if (button == 1) {
+			boost::unique_lock<boost::shared_mutex> lock(down_mutex);
+			down = true;
+		}
+
+		update();
+	}
+
+	void SoftwareMousePointer::on_mouse_up(uint8_t button, uint16_t x, uint16_t y)
+	{
+		if (button == 1) {
+			boost::unique_lock<boost::shared_mutex> lock(down_mutex);
+			down = false;
+		}
+
+		update();
+	}
+
+	bool SoftwareMousePointer::is_down(void) const
+	{
+		boost::shared_lock<boost::shared_mutex> lock(down_mutex);
+		return down;
+	}
 };
 
diff --git a/src/menu/software_mouse_pointer.hpp b/src/menu/software_mouse_pointer.hpp
index 0e3d2ff8..797236ff 100644
--- a/src/menu/software_mouse_pointer.hpp
+++ b/src/menu/software_mouse_pointer.hpp
@@ -34,6 +34,7 @@
 #include "utils/disposer.hpp"
 
 #include <boost/signals2.hpp>
+#include <boost/thread/shared_mutex.hpp>
 #include <GL/gl.h>
 
 namespace usdx
@@ -44,12 +45,21 @@ namespace usdx
 		GLfloat vertices[8];
 		RgbaColor color;
 
+		bool down;
+
 		Disposer<Texture>* texture_normal;
 		Disposer<Texture>* texture_pressed;
 
 		Timer* fade_inactive;
 
 		boost::signals2::connection mouse_move_connection;
+		boost::signals2::connection mouse_down_connection;
+		boost::signals2::connection mouse_up_connection;
+
+		mutable boost::shared_mutex down_mutex;
+
+		Texture* get_current_texture() const;
+		void update(void);
 
 	protected:
 		void draw(void);
@@ -59,6 +69,10 @@ namespace usdx
 		virtual ~SoftwareMousePointer();
 
 		void on_mouse_move(uint16_t x, uint16_t y);
+		void on_mouse_down(uint8_t button, uint16_t x, uint16_t y);
+		void on_mouse_up(uint8_t button, uint16_t x, uint16_t y);
+
+		bool is_down(void) const;
 	};
 };
 
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