cleanup: Remove rak mem_fun

This commit removes rak:mem_fun and replaces it with std::function and lambdas.

src/control.cc

@@ -104,9 +104,9 @@ Control::~Control() {
 void
 Control::initialize() {
   display::Canvas::initialize();
-  display::Window::slot_schedule(rak::make_mem_fun(m_display, &display::Manager::schedule));
-  display::Window::slot_unschedule(rak::make_mem_fun(m_display, &display::Manager::unschedule));
-  display::Window::slot_adjust(rak::make_mem_fun(m_display, &display::Manager::adjust_layout));
+  display::Window::slot_schedule([this](display::Window* w, rak::timer t) { m_display->schedule(w, t); });
+  display::Window::slot_unschedule([this](display::Window* w) { m_display->unschedule(w); });
+  display::Window::slot_adjust([this]() { m_display->adjust_layout(); });
 
   m_core->http_stack()->set_user_agent(USER_AGENT);
 

src/display/window.h

@@ -38,7 +38,7 @@
 #define RTORRENT_WINDOW_BASE_H
 
 #include <rak/timer.h>
-#include <rak/functional.h>
+#include <functional>
 
 #include "canvas.h"
 #include "globals.h"
@@ -46,15 +46,14 @@
 namespace display {
 
 class Canvas;
-class Manager;
 
 class Window {
 public:
   typedef uint32_t extent_type;
 
-  typedef rak::mem_fun0<Manager, void>                      Slot;
-  typedef rak::mem_fun1<Manager, void, Window*>             SlotWindow;
-  typedef rak::mem_fun2<Manager, void, Window*, rak::timer> SlotTimer;
+  typedef std::function<void()>                    Slot;
+  typedef std::function<void(Window*)>             SlotWindow;
+  typedef std::function<void(Window*, rak::timer)> SlotTimer;
 
   static const int flag_active    = (1 << 0);
   static const int flag_offscreen = (1 << 1);

src/ui/element_peer_list.cc

@@ -36,6 +36,8 @@
 
 #include "config.h"
 
+#include <rak/functional.h>
+
 #include <torrent/exceptions.h>
 #include <torrent/rate.h>
 #include <torrent/hash_string.h>