fix(platform): Added checkCapsLock OSX implementation

qtox.pro

@@ -96,7 +96,8 @@ contains(DEFINES, QTOX_PLATFORM_EXT) {
 
     HEADERS += src/platform/capslock.h
     SOURCES += src/platform/capslock_win.cpp \
-               src/platform/capslock_x11.cpp
+               src/platform/capslock_x11.cpp \
+               src/platform/capslock_osx.cpp
 }
 
 # Rules for Windows, Mac OSX, and Linux

src/platform/capslock_osx.cpp

@@ -0,0 +1,30 @@
+/*
+    Copyright © 2016 by The qTox Project
+
+    This file is part of qTox, a Qt-based graphical interface for Tox.
+
+    qTox is libre 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.
+
+    qTox 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 qTox.  If not, see <http://www.gnu.org/licenses/>.
+*/
+
+#include <QtCore/qsystemdetection.h>
+#if defined(__APPLE__) && defined(__MACH__)
+#include "src/platform/capslock.h"
+
+bool Platform::capsLockEnabled()
+{
+    // TODO: implement for osx
+    return false;
+}
+
+#endif  // defined(__APPLE__) && defined(__MACH__)

src/platform/capslock_win.cpp

@@ -22,7 +22,7 @@
 #include <windows.h>
 #include "src/platform/capslock.h"
 
-bool Platform::checkCapsLock()
+bool Platform::capsLockEnabled()
 {
     return GetKeyState(VK_CAPITAL) == 1;
 }

src/platform/capslock_x11.cpp

@@ -40,4 +40,4 @@ bool Platform::capsLockEnabled()
 }
 
 
-#endif  // Q_WS_X11
+#endif  // defined(Q_OS_UNIX) && !defined(__APPLE__) && !defined(__MACH__)

src/widget/loginscreen.cpp

@@ -99,7 +99,8 @@ void LoginScreen::CapsLockIndicator::hide() {
 
 void LoginScreen::CapsLockIndicator::updateIndicator() {
     bool caps = false;
-#ifdef QTOX_PLATFORM_EXT
+    // It doesn't needed for OSX, because it shows indicator by default
+#ifdef QTOX_PLATFORM_EXT && !defined(Q_OS_OSX)
     caps = Platform::capsLockEnabled();
 #endif
     if (caps)