Added StaticModifier to count number of button presses

NEWS

@@ -1,3 +1,9 @@
+xboxdrv 0.7.2 - (??/Feb/2011)
+=============================
+
+* added statistic modifier that counts how often buttons are pressed
+
+
 xboxdrv 0.7.1 - (30/Jan/2011)
 =============================
 

src/modifier.cpp

@@ -22,8 +22,9 @@
 
 #include "modifier/dpad_rotation_modifier.hpp"
 #include "modifier/four_way_restrictor_modifier.hpp"
-#include "modifier/square_axis_modifier.hpp"
 #include "modifier/rotate_axis_modifier.hpp"
+#include "modifier/square_axis_modifier.hpp"
+#include "modifier/statistic_modifier.hpp"
 
 Modifier*
 Modifier::from_string(const std::string& name, const std::string& value)
@@ -61,6 +62,10 @@ Modifier::from_string(const std::string& name, const std::string& value)
     {
       return RotateAxisModifier::from_string(args);
     }
+    else if (name == "stat" || name == "statistic")
+    {
+      return StatisticModifier::from_string(args);
+    }
     else
     {
       throw std::runtime_error("unknown modifier: " + name);

src/modifier/statistic_modifier.cpp

@@ -0,0 +1,82 @@
+/*
+**  Xbox360 USB Gamepad Userspace Driver
+**  Copyright (C) 2011 Ingo Ruhnke <grumbel@gmx.de>
+**
+**  This program is free software: you can redistribute it and/or modify
+**  it under the terms of the GNU General Public License as published by
+**  the Free Software Foundation, either version 3 of the License, or
+**  (at your option) any later version.
+**
+**  This program is distributed in the hope that it will be useful,
+**  but WITHOUT ANY WARRANTY; without even the implied warranty of
+**  MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+**  GNU General Public License for more details.
+**
+**  You should have received a copy of the GNU General Public License
+**  along with this program.  If not, see <http://www.gnu.org/licenses/>.
+*/
+
+#include "statistic_modifier.hpp"
+
+#include <boost/format.hpp>
+#include <iostream>
+
+#include "../xboxmsg.hpp"
+
+StatisticModifier*
+StatisticModifier::from_string(const std::vector<std::string>& args)
+{
+  return new StatisticModifier;
+}
+
+StatisticModifier::StatisticModifier() :
+  m_button_state(XBOX_BTN_MAX),
+  m_press_count(XBOX_BTN_MAX)
+{
+}
+
+StatisticModifier::~StatisticModifier()
+{
+  print_stats();
+}
+
+void
+StatisticModifier::print_stats()
+{
+  std::cout << "Button Press Statistics\n"
+            << "=======================\n\n";
+  
+  std::cout << boost::format("%12s | %5d") % "Name" % "Count" << std::endl;  
+  std::cout << "-------------+---------" << std::endl;
+  for(int btn = 1; btn < XBOX_BTN_MAX; ++btn)
+  {
+    std::cout << boost::format("%12s : %5d") 
+      % btn2string(static_cast<XboxButton>(btn)) % m_press_count[btn]
+              << std::endl;
+  }
+}
+
+void
+StatisticModifier::update(int msec_delta, XboxGenericMsg& msg)
+{
+  for(int btn = 1; btn < static_cast<int>(XBOX_BTN_MAX); ++btn)
+  {
+    bool state = get_button(msg, static_cast<XboxButton>(btn));
+
+    // state changed and button is pressed
+    if (state != m_button_state[btn] && state)
+    {
+      m_press_count[btn] += 1;
+    }
+
+    m_button_state[btn] = state;
+  }
+}
+
+std::string
+StatisticModifier::str() const
+{
+  return "stat";
+}
+
+/* EOF */

src/modifier/statistic_modifier.hpp

@@ -0,0 +1,50 @@
+/*
+**  Xbox360 USB Gamepad Userspace Driver
+**  Copyright (C) 2011 Ingo Ruhnke <grumbel@gmx.de>
+**
+**  This program is free software: you can redistribute it and/or modify
+**  it under the terms of the GNU General Public License as published by
+**  the Free Software Foundation, either version 3 of the License, or
+**  (at your option) any later version.
+**
+**  This program is distributed in the hope that it will be useful,
+**  but WITHOUT ANY WARRANTY; without even the implied warranty of
+**  MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+**  GNU General Public License for more details.
+**
+**  You should have received a copy of the GNU General Public License
+**  along with this program.  If not, see <http://www.gnu.org/licenses/>.
+*/
+
+#ifndef HEADER_XBOXDRV_MODIFIER_STATISTIC_MODIFIER_HPP
+#define HEADER_XBOXDRV_MODIFIER_STATISTIC_MODIFIER_HPP
+
+#include <vector>
+
+#include "modifier.hpp"
+
+class StatisticModifier : public Modifier
+{
+public:
+  static StatisticModifier* from_string(const std::vector<std::string>& args);
+
+public:
+  StatisticModifier();
+  ~StatisticModifier();
+
+  void update(int msec_delta, XboxGenericMsg& msg);
+  void print_stats();
+  std::string str() const;
+
+private:
+  std::vector<int> m_button_state;
+  std::vector<int> m_press_count;
+
+private:
+  StatisticModifier(const StatisticModifier&);
+  StatisticModifier& operator=(const StatisticModifier&);
+};
+
+#endif
+
+/* EOF */