Platform fixes and rework ping

data/styles/10-labels.otui

@@ -21,45 +21,3 @@ MenuLabel < Label
 GameLabel < UILabel
   font: verdana-11px-antialised
   color: #bbbbbb
-
-FrameCounterLabel < Label
-  font: verdana-11px-rounded
-  @onSetup: |
-    self.updateEvent = cycleEvent(function()
-      local text = 'FPS: ' .. g_app.getBackgroundPaneFps()
-      self:setText(text)
-    end, 1000)
-  @onDestroy: self.updateEvent:cancel()
-
-PingLabel < Label
-  font: verdana-11px-rounded
-  @onSetup: |
-    self.updateEvent = cycleEvent(function()
-      if g_game.isOnline() and modules.client_options.getOption('showPing') then
-        local ping = -1
-        if g_game.getFeature(GameClientPing) or g_game.getFeature(GameExtendedClientPing) then
-          ping = g_game.getPing()
-        else
-          ping = g_game.getLocalPlayer():getWalkPing()
-        end
-        local text = 'Ping: '
-        if ping < 0 then
-          text = text .. "??"
-          self:setColor('yellow')
-        else
-          text = text .. ping .. ' ms'
-          if ping >= 500 then
-            self:setColor('red')
-          elseif ping >= 250 then
-            self:setColor('yellow')
-          else
-            self:setColor('green')
-          end
-        end
-        self:setText(text)
-        self:show()
-      else
-        self:hide()
-      end
-    end, 1000)
-  @onDestroy: self.updateEvent:cancel()

data/styles/20-topmenu.otui

@@ -46,7 +46,11 @@ TopMenuPanel < Panel
   image-repeated: true
   focusable: false
 
-TopMenuFrameCounterLabel < FrameCounterLabel
+TopMenuFrameCounterLabel < Label
+  font: verdana-11px-rounded
   color: white
   margin-top: 4
   margin-left: 5
+
+TopMenuPingLabel < Label
+  font: verdana-11px-rounded

modules/client_entergame/entergame.lua

@@ -145,10 +145,10 @@ function EnterGame.firstShow()
   local host = g_settings.get('host')
   local autologin = g_settings.getBoolean('autologin')
   if #host > 0 and #password > 0 and #account > 0 and autologin then
-    connect(g_app, { onRun = function()
+    addEvent(function()
       if not g_settings.getBoolean('autologin') then return end
       EnterGame.doLogin()
-    end})
+    end)
   end
 end
 

modules/client_entergame/waitinglist.otui

@@ -1,7 +1,7 @@
 MainWindow
   id: waitingWindow
   !text: tr('Waiting List')
-  size: 260 160
+  size: 260 180
   @onEscape: CharacterList.cancelWait()
 
   Label

modules/client_options/options.lua

@@ -179,15 +179,9 @@ function setOption(key, value)
   if key == 'vsync' then
     g_window.setVerticalSync(value)
   elseif key == 'showFps' then
-    addEvent(function()
+    modules.client_topmenu.setFpsVisible(value)
-      local frameCounter = rootWidget:recursiveGetChildById('frameCounter')
-      if frameCounter then frameCounter:setVisible(value) end
-    end)
   elseif key == 'showPing' then
-    addEvent(function()
+    modules.client_topmenu.setPingVisible(value)
-      local ping = rootWidget:recursiveGetChildById('pingLabel')
-      if ping then ping:setVisible(value) end
-    end)
   elseif key == 'fullscreen' then
     g_window.setFullscreen(value)
     panel = graphicsPanel

modules/client_terminal/commands.lua

@@ -92,3 +92,8 @@ function createDebugUIItem(id)
   uiitem:setItemId(id)
   uiitem:show()
 end
+
+function debugPings()
+  g_game.setPingDelay(0)
+  connect(g_game, { onPingBack = function(ping) print(g_game.getWorldName() .. ' => ' .. ping .. ' ms') end })
+end

modules/client_topmenu/topmenu.lua

@@ -37,8 +37,10 @@ end
 
 -- public functions
 function init()
-  connect(g_game, { onGameStart = showGameButtons,
+  connect(g_game, { onGameStart = online,
-                    onGameEnd = hideGameButtons })
+                    onGameEnd = offline,
+                    onPingBack = updatePing })
+  connect(g_app, { onFps = updateFps })
 
   topMenu = g_ui.displayUI('topmenu')
 
@@ -46,20 +48,75 @@ function init()
   rightButtonsPanel = topMenu:getChildById('rightButtonsPanel')
   leftGameButtonsPanel = topMenu:getChildById('leftGameButtonsPanel')
   rightGameButtonsPanel = topMenu:getChildById('rightGameButtonsPanel')
+  pingLabel = topMenu:getChildById('pingLabel')
+  fpsLabel = topMenu:getChildById('fpsLabel')
 
   if g_game.isOnline() then
-    leftGameButtonsPanel:show()
+    online()
-    rightGameButtonsPanel:show()
   end
 end
 
 function terminate()
-  disconnect(g_game, { onGameStart = showGameButtons,
+  disconnect(g_game, { onGameStart = online,
-                       onGameEnd = hideGameButtons })
+                       onGameEnd = offline,
+                       onPingBack = updatePing })
+  disconnect(g_app, { onFps = updateFps })
 
   topMenu:destroy()
 end
 
+function online()
+  showGameButtons()
+
+  if modules.client_options.getOption('showFps') then
+    pingLabel:show()
+  end
+end
+
+function offline()
+  hideGameButtons()
+  pingLabel:hide()
+end
+
+function updateFps(fps)
+  text = 'FPS: ' .. fps
+  fpsLabel:setText(text)
+end
+
+function updatePing(ping)
+  local ping = -1
+  if g_game.getFeature(GameClientPing) or g_game.getFeature(GameExtendedClientPing) then
+    ping = g_game.getPing()
+  else
+    ping = g_game.getLocalPlayer():getWalkPing()
+  end
+  local text = 'Ping: '
+  local color
+  if ping < 0 then
+    text = text .. "??"
+    color = 'yellow'
+  else
+    text = text .. ping .. ' ms'
+    if ping >= 500 then
+      color = 'red'
+    elseif ping >= 250 then
+      color = 'yellow'
+    else
+      color = 'green'
+    end
+  end
+  pingLabel:setColor(color)
+  pingLabel:setText(text)
+end
+
+function setPingVisible(enable)
+  pingLabel:setVisible(enable)
+end
+
+function setFpsVisible(enable)
+  fpsLabel:setVisible(enable)
+end
+
 function addLeftButton(id, description, icon, callback, front)
   return addButton(id, description, icon, callback, leftButtonsPanel, false, front)
 end
@@ -92,16 +149,16 @@ function addRightGameToggleButton(id, description, icon, callback, front)
   return addButton(id, description, icon, callback, rightGameButtonsPanel, true, front)
 end
 
-function hideGameButtons()
-  leftGameButtonsPanel:hide()
-  rightGameButtonsPanel:hide()
-end
-
 function showGameButtons()
   leftGameButtonsPanel:show()
   rightGameButtonsPanel:show()
 end
 
+function hideGameButtons()
+  leftGameButtonsPanel:hide()
+  rightGameButtonsPanel:hide()
+end
+
 function getButton(id)
   return topMenu:recursiveGetChildById(id)
 end

modules/client_topmenu/topmenu.otui

@@ -18,17 +18,17 @@ TopMenuPanel
     visible: false
 
   TopMenuFrameCounterLabel
-    id: frameCounter
+    id: fpsLabel
     text-auto-resize: true
     anchors.top: parent.top
     anchors.left: leftGameButtonsPanel.right
 
-  PingLabel
+  TopMenuPingLabel
     color: white
     id: pingLabel
     text-auto-resize: true
-    anchors.top: frameCounter.bottom
+    anchors.top: fpsLabel.bottom
-    anchors.left: frameCounter.left
+    anchors.left: fpsLabel.left
 
   TopMenuButtonsPanel
     id: rightButtonsPanel

modules/gamelib/ui/uiminimap.lua

@@ -113,6 +113,7 @@ function UIMinimap:addFlag(pos, icon, description)
   flag:setIcon('/images/game/minimap/flag' .. icon)
   flag:setTooltip(description)
   flag.onMouseRelease = onFlagMouseRelease
+  flag.onDestroy = function() table.removevalue(self.flags, flag) end
   table.insert(self.flags, flag)
   self:centerInPosition(flag, pos)
 end
@@ -162,7 +163,6 @@ function UIMinimap:removeFlag(pos, icon, description)
   local flag = self:getFlag(pos)
   if flag then
     flag:destroy()
-    table.removevalue(self.flags, flag)
   end
 end
 

src/client/game.cpp

@@ -47,6 +47,7 @@ Game::Game()
     m_serverBeat = 50;
     m_seq = 0;
     m_ping = -1;
+    m_pingDelay = 1000;
     m_canReportBugs = false;
     m_fightMode = Otc::FightBalanced;
     m_chaseMode = Otc::DontChase;
@@ -79,6 +80,8 @@ void Game::resetGameStates()
     m_followingCreature = nullptr;
     m_attackingCreature = nullptr;
     m_localPlayer = nullptr;
+    m_pingSent = 0;
+    m_pingReceived = 0;
 
     for(auto& it : m_containers) {
         const ContainerPtr& container = it.second;
@@ -176,14 +179,9 @@ void Game::processGameStart()
     disableBotCall();
 
     if(g_game.getFeature(Otc::GameClientPing) || g_game.getFeature(Otc::GameExtendedClientPing)) {
-        m_protocolGame->sendPing();
+        m_pingEvent = g_dispatcher.scheduleEvent([this] {
-        m_pingEvent = g_dispatcher.cycleEvent([this] {
+            g_game.ping();
-            if(m_protocolGame && m_protocolGame->isConnected()) {
+        }, m_pingDelay);
-                enableBotCall();
-                m_protocolGame->sendPing();
-                disableBotCall();
-            }
-        }, 2000);
     }
 }
 
@@ -224,10 +222,20 @@ void Game::processPing()
     disableBotCall();
 }
 
-void Game::processPingBack(int elapsed)
+void Game::processPingBack()
 {
-    m_ping = elapsed;
+    m_pingReceived++;
-    g_lua.callGlobalField("g_game", "onPingBack", elapsed);
+
+    if(m_pingReceived == m_pingSent)
+        m_ping = m_pingTimer.elapsed_millis();
+    else
+        g_logger.error("got an invalid ping from server");
+
+    g_lua.callGlobalField("g_game", "onPingBack", m_ping);
+
+    m_pingEvent = g_dispatcher.scheduleEvent([this] {
+        g_game.ping();
+    }, m_pingDelay);
 }
 
 void Game::processTextMessage(Otc::MessageMode mode, const std::string& text)
@@ -1252,9 +1260,14 @@ void Game::ping()
     if(!m_protocolGame || !m_protocolGame->isConnected())
         return;
 
+    if(m_pingReceived != m_pingSent)
+        return;
+
     m_denyBotCall = false;
     m_protocolGame->sendPing();
     m_denyBotCall = true;
+    m_pingSent++;
+    m_pingTimer.restart();
 }
 
 void Game::changeMapAwareRange(int xrange, int yrange)

src/client/game.h

@@ -54,7 +54,7 @@ protected:
     void processConnectionError(const boost::system::error_code& error);
     void processDisconnect();
     void processPing();
-    void processPingBack(int elapsed);
+    void processPingBack();
 
     void processUpdateNeeded(const std::string& signature);
     void processLoginError(const std::string& error);
@@ -252,6 +252,7 @@ public:
 
     //void reportRuleViolation2();
     void ping();
+    void setPingDelay(int delay) { m_pingDelay = delay; }
 
     // otclient only
     void changeMapAwareRange(int xrange, int yrange);
@@ -280,7 +281,7 @@ public:
     bool isAttacking() { return !!m_attackingCreature; }
     bool isFollowing() { return !!m_followingCreature; }
 
-    int getPing() { return m_ping; }
+    int getPing() { return m_ping >= 0 ? std::max(m_ping, m_pingTimer.elapsed_millis()) : -1; }
     ContainerPtr getContainer(int index) { return m_containers[index]; }
     std::map<int, ContainerPtr> getContainers() { return m_containers; }
     std::map<int, Vip> getVips() { return m_vips; }
@@ -320,8 +321,12 @@ private:
     bool m_denyBotCall;
     bool m_dead;
     int m_serverBeat;
-    int m_ping;
+    ticks_t m_ping;
+    uint m_pingSent;
+    uint m_pingReceived;
+    stdext::timer m_pingTimer;
     uint m_seq;
+    int m_pingDelay;
     Otc::FightModes m_fightMode;
     Otc::ChaseModes m_chaseMode;
     Otc::Direction m_lastWalkDir;

src/client/localplayer.cpp

@@ -77,7 +77,7 @@ bool LocalPlayer::canWalk(Otc::Direction direction)
         return false;
 
     // prewalk has a timeout, because for some reason that I don't know yet the server sometimes doesn't answer the prewalk
-    bool prewalkTimeouted = m_walking && m_preWalking && m_walkTimer.ticksElapsed() >= getStepDuration() + PREWALK_TIMEOUT;
+    bool prewalkTimeouted = m_walking && m_preWalking && m_walkTimer.ticksElapsed() >= getStepDuration() + 5*PREWALK_TIMEOUT;
 
     // avoid doing more walks than wanted when receiving a lot of walks from server
     if(!m_lastPrewalkDone && m_preWalking && !prewalkTimeouted)
@@ -127,8 +127,9 @@ void LocalPlayer::preWalk(Otc::Direction direction)
     Position newPos = m_position.translatedToDirection(direction);
 
     // avoid reanimating prewalks
-    if(m_preWalking && m_lastPrewalkDestination == newPos)
+    if(m_preWalking && m_lastPrewalkDestination == newPos) {
         return;
+    }
 
     m_waitingWalkPong = false;
     if(m_walkPingTimer.ticksElapsed() > getStepDuration() && m_idleTimer.ticksElapsed() > getStepDuration()*2) {
@@ -157,6 +158,7 @@ void LocalPlayer::cancelWalk(Otc::Direction direction)
     m_waitingWalkPong = false;
     m_walkPingTimer.restart();
     m_idleTimer.restart();
+    lockWalk();
 
     if(m_autoWalkDestination.isValid()) {
         g_game.stop();

src/client/luafunctions.cpp

@@ -219,6 +219,7 @@ void Client::registerLuaFunctions()
     g_lua.bindSingletonFunction("g_game", "mount", &Game::mount, &g_game);
     g_lua.bindSingletonFunction("g_game", "requestItemInfo", &Game::requestItemInfo, &g_game);
     g_lua.bindSingletonFunction("g_game", "ping", &Game::ping, &g_game);
+    g_lua.bindSingletonFunction("g_game", "setPingDelay", &Game::setPingDelay, &g_game);
     g_lua.bindSingletonFunction("g_game", "changeMapAwareRange", &Game::changeMapAwareRange, &g_game);
     g_lua.bindSingletonFunction("g_game", "canPerformGameAction", &Game::canPerformGameAction, &g_game);
     g_lua.bindSingletonFunction("g_game", "canReportBugs", &Game::canReportBugs, &g_game);

src/client/mapview.cpp

@@ -37,7 +37,6 @@
 #include <framework/core/eventdispatcher.h>
 #include <framework/core/application.h>
 #include <framework/core/resourcemanager.h>
-#include <boost/concept_check.hpp>
 
 
 enum {

src/client/protocolgame.h

@@ -235,7 +235,6 @@ private:
     std::string m_accountName;
     std::string m_accountPassword;
     std::string m_characterName;
-    stdext::timer m_pingTimer;
     LocalPlayerPtr m_localPlayer;
 };
 

src/client/protocolgameparse.cpp

@@ -430,7 +430,7 @@ void ProtocolGame::parsePing(const InputMessagePtr& msg)
 
 void ProtocolGame::parsePingBack(const InputMessagePtr& msg)
 {
-    g_game.processPingBack(m_pingTimer.elapsed_millis());
+    g_game.processPingBack();
 }
 
 void ProtocolGame::parseChallenge(const InputMessagePtr& msg)

src/client/protocolgamesend.cpp

@@ -129,7 +129,6 @@ void ProtocolGame::sendPing()
         msg->addU8(Proto::ClientPing);
         Protocol::send(msg);
     }
-    m_pingTimer.restart();
 }
 
 void ProtocolGame::sendPingBack()

src/framework/CMakeLists.txt

@@ -137,6 +137,7 @@ if(NOT APPLE)
     option(CRASH_HANDLER "Generate crash reports" ON)
     option(USE_STATIC_LIBS "Don't use shared libraries (dlls)" ON)
     option(USE_LIBCPP "Use the new libc++ library instead of stdc++" OFF)
+    option(USE_LTO "Use link time optimizations" OFF)
 else()
     set(CRASH_HANDLER OFF)
     set(USE_STATIC_LIBS OFF)
@@ -162,10 +163,18 @@ set(CMAKE_CXX_FLAGS                   "${CMAKE_CXX_FLAGS} ${WARNS_FLAGS} ${ARCH_
 set(CMAKE_CXX_FLAGS_COMPILESPEED      "-O0")
 set(CMAKE_CXX_FLAGS_DEBUG             "-O0 -g")
 set(CMAKE_CXX_FLAGS_RELWITHDEBINFO    "-O1 -g -fno-omit-frame-pointer")
-set(CMAKE_CXX_FLAGS_RELEASE           "-O2")
+set(CMAKE_CXX_FLAGS_RELEASE           "-Os")
-set(CMAKE_CXX_FLAGS_MINSIZEREL        "-Os")
 set(CMAKE_CXX_FLAGS_PERFORMANCE       "-Ofast -mmmx -msse -msse2")
 
+if(USE_LTO)
+    set(CMAKE_CXX_FLAGS "${CMAKE_CXX_FLAGS} -fwhole-program -flto")
+    if(WIN32)
+        set(CMAKE_CXX_LINK_FLAGS "${CMAKE_CXX_LINK_FLAGS} -Wl,-O1,--gc-sections,--sort-common,--relax")
+    else()
+        set(CMAKE_CXX_LINK_FLAGS "${CMAKE_CXX_LINK_FLAGS} -Wl,-O1,--gc-sections,--sort-common,--relax,-z,relro")
+    endif()
+endif()
+
 # process options
 if(USE_STATIC_LIBS)
     if(NOT APPLE)
@@ -231,8 +240,8 @@ else()
     if(NOT CMAKE_BUILD_TYPE STREQUAL "CompileSpeed")
         set(framework_DEFINITIONS ${framework_DEFINITIONS} -DNDEBUG) # NDEBUG disable asserts
     endif()
-    set(CMAKE_CXX_LINK_FLAGS "${CMAKE_CXX_LINK_FLAGS} -Wl,-s") # strip all debug information
     if(NOT APPLE)
+        set(CMAKE_CXX_LINK_FLAGS "${CMAKE_CXX_LINK_FLAGS} -Wl,-s") # strip all debug information
         set(CMAKE_CXX_LINK_FLAGS "${CMAKE_CXX_LINK_FLAGS} -Wl,--as-needed") # only link needed libraries
     endif()
 endif()

src/framework/core/adaptativeframecounter.cpp

@@ -60,7 +60,7 @@ void AdaptativeFrameCounter::processNextFrame()
     m_lastFrame = now ;
 }
 
-void AdaptativeFrameCounter::update()
+bool AdaptativeFrameCounter::update()
 {
     ticks_t now = g_clock.micros();
     ticks_t delta = now - m_lastPartialFpsUpdate;
@@ -82,7 +82,9 @@ void AdaptativeFrameCounter::update()
         m_frameDelaySum = 0;
 
         //dump << stdext::format("FPS => %d  Partial FPS => %d  Frame Delay Hit => %.2f%%", m_lastFps, (int)m_partialFps, getFrameDelayHit());
+        return true;
     }
+    return false;
 }
 
 void AdaptativeFrameCounter::setMaxFps(int maxFps)

src/framework/core/adaptativeframecounter.h

@@ -43,7 +43,7 @@ public:
 
     bool shouldProcessNextFrame();
     void processNextFrame();
-    void update();
+    bool update();
     void setMaxFps(int maxFps);
     bool isFpsLimitActive() { return m_maxFps != 0; }
 

src/framework/core/graphicalapplication.cpp

@@ -184,7 +184,8 @@ void GraphicalApplication::run()
             // only update the current time once per frame to gain performance
             g_clock.update();
 
-            m_backgroundFrameCounter.update();
+            if(m_backgroundFrameCounter.update())
+                g_lua.callGlobalField("g_app", "onFps", m_backgroundFrameCounter.getLastFps());
             m_foregroundFrameCounter.update();
 
             int sleepMicros = m_backgroundFrameCounter.getMaximumSleepMicros();

src/framework/core/resourcemanager.cpp

@@ -45,10 +45,11 @@ void ResourceManager::terminate()
 bool ResourceManager::discoverWorkDir(const std::string& existentFile)
 {
     // search for modules directory
-    std::string possiblePaths[] = { g_resources.getCurrentDir(),
+    std::string possiblePaths[] = { g_platform.getCurrentDir(),
                                     g_resources.getBaseDir(),
                                     g_resources.getBaseDir() + "../",
                                     g_resources.getBaseDir() + "../share/" + g_app.getCompactName() + "/" };
+
     bool found = false;
     for(const std::string& dir : possiblePaths) {
         if(!PHYSFS_addToSearchPath(dir.c_str(), 0))
@@ -296,11 +297,6 @@ std::string ResourceManager::getRealDir(const std::string& path)
     return dir;
 }
 
-std::string ResourceManager::getCurrentDir()
-{
-    return g_platform.getCurrentDir();
-}
-
 std::string ResourceManager::getBaseDir()
 {
     return PHYSFS_getBaseDir();

src/framework/core/resourcemanager.h

@@ -64,7 +64,6 @@ public:
 
     std::string resolvePath(const std::string& path);
     std::string getRealDir(const std::string& path);
-    std::string getCurrentDir();
     std::string getBaseDir();
     std::string getUserDir();
     std::string getWriteDir() { return m_writeDir; }

src/framework/luafunctions.cpp

@@ -84,6 +84,7 @@ void Application::registerLuaFunctions()
     g_lua.bindSingletonFunction("g_platform", "isProcessRunning", &Platform::isProcessRunning, &g_platform);
     g_lua.bindSingletonFunction("g_platform", "copyFile", &Platform::copyFile, &g_platform);
     g_lua.bindSingletonFunction("g_platform", "fileExists", &Platform::fileExists, &g_platform);
+    g_lua.bindSingletonFunction("g_platform", "removeFile", &Platform::removeFile, &g_platform);
     g_lua.bindSingletonFunction("g_platform", "killProcess", &Platform::killProcess, &g_platform);
     g_lua.bindSingletonFunction("g_platform", "getTempPath", &Platform::getTempPath, &g_platform);
     g_lua.bindSingletonFunction("g_platform", "openUrl", &Platform::openUrl, &g_platform);

src/framework/net/connection.h

@@ -24,7 +24,6 @@
 #define CONNECTION_H
 
 #include "declarations.h"
-#include <boost/asio.hpp>
 #include <framework/luaengine/luaobject.h>
 #include <framework/core/timer.h>
 #include <framework/core/declarations.h>

src/framework/net/declarations.h

@@ -25,6 +25,7 @@
 
 #include <framework/global.h>
 #include <boost/asio.hpp>
+#include <boost/system/error_code.hpp>
 
 namespace asio = boost::asio;
 

src/framework/platform/platform.h

@@ -37,7 +37,8 @@ public:
     std::string getTempPath();
     std::string getCurrentDir();
     bool copyFile(std::string from, std::string to);
-    bool fileExists(const std::string& file);
+    bool fileExists(std::string file);
+    bool removeFile(std::string file);
     void openUrl(std::string url);
     std::string getCPUName();
     double getTotalSystemMemory();

src/framework/platform/unixplatform.cpp

@@ -83,8 +83,10 @@ std::string Platform::getCurrentDir()
 {
     std::string res;
     char cwd[2048];
-    if(getcwd(cwd, sizeof(cwd)) != NULL)
+    if(getcwd(cwd, sizeof(cwd)) != NULL) {
         res = cwd;
+        res += "/";
+    }
     return res;
 }
 
@@ -93,12 +95,19 @@ bool Platform::copyFile(std::string from, std::string to)
     return system(stdext::format("/bin/cp '%s' '%s'", from, to).c_str()) == 0;
 }
 
-bool Platform::fileExists(const std::string& file)
+bool Platform::fileExists(std::string file)
 {
     struct stat buffer;
     return (stat(file.c_str(), &buffer) == 0);
 }
 
+bool Platform::removeFile(std::string file)
+{
+    if(unlink(file.c_str()) == 0)
+        return true;
+    return false;
+}
+
 void Platform::openUrl(std::string url)
 {
     if(url.find("http://") == std::string::npos)

src/framework/platform/win32platform.cpp

@@ -95,11 +95,13 @@ std::string Platform::getCurrentDir()
     GetCurrentDirectoryW(MAX_PATH, path);
     ret = stdext::utf16_to_utf8(path);
     boost::replace_all(ret, "\\", "/");
+    ret += "/";
     return ret;
 }
 
-bool Platform::fileExists(const std::string& file)
+bool Platform::fileExists(std::string file)
 {
+    boost::replace_all(file, "/", "\\");
     std::wstring wfile = stdext::utf8_to_utf16(file);
     DWORD dwAttrib = GetFileAttributesW(wfile.c_str());
     return (dwAttrib != INVALID_FILE_ATTRIBUTES &&  !(dwAttrib & FILE_ATTRIBUTE_DIRECTORY));
@@ -114,6 +116,14 @@ bool Platform::copyFile(std::string from, std::string to)
     return true;
 }
 
+bool Platform::removeFile(std::string file)
+{
+    boost::replace_all(file, "/", "\\");
+    if(DeleteFileW(stdext::utf8_to_utf16(file).c_str()) == 0)
+        return false;
+    return true;
+}
+
 void Platform::openUrl(std::string url)
 {
     if(url.find("http://") == std::string::npos)

src/framework/platform/win32window.cpp

@@ -590,8 +590,12 @@ LRESULT WIN32Window::windowProc(HWND hWnd, UINT uMsg, WPARAM wParam, LPARAM lPar
         }
         case WM_ACTIVATE: {
             m_focused = !(wParam == WA_INACTIVE);
-            if(!m_focused)
+            releaseAllKeys();
-                releaseAllKeys();
+            break;
+        }
+        case WM_SETFOCUS:
+        case WM_KILLFOCUS: {
+            releaseAllKeys();
             break;
         }
         case WM_CHAR: {

src/framework/ui/uitextedit.h

@@ -24,7 +24,6 @@
 #define UITEXTEDIT_H
 
 #include "uiwidget.h"
-#include <boost/concept_check.hpp>
 
 // @bindclass
 class UITextEdit : public UIWidget