link gui with common; reimplement finding personal and profile directories on windows (not yet used)

src/gui/CMakeLists.txt

@@ -45,6 +45,8 @@ if (HAVE_X11)
     target_link_libraries (barrier X11)
 endif()
 
+target_link_libraries (barrier common)
+
 if (${CMAKE_SYSTEM_NAME} MATCHES "Darwin")
     install (TARGETS barrier DESTINATION ${BARRIER_BUNDLE_BINARY_DIR})
 elseif (${CMAKE_SYSTEM_NAME} MATCHES "Linux")

src/lib/common/CMakeLists.txt

@@ -17,6 +17,17 @@
 file(GLOB headers "*.h")
 file(GLOB sources "*.cpp")
 
+if (WIN32)
+    file(GLOB arch_headers "win32/*.h")
+    file(GLOB arch_sources "win32/*.cpp")
+elseif (UNIX)
+    file(GLOB arch_headers "unix/*.h")
+    file(GLOB arch_sources "unix/*.cpp")
+endif()
+
+list(APPEND headers ${arch_headers})
+list(APPEND sources ${arch_sources})
+
 if (BARRIER_ADD_HEADERS)
     list(APPEND sources ${headers})
 endif()

src/lib/common/DataDirectories.h

@@ -0,0 +1,7 @@
+#pragma once
+
+#ifdef _WIN32
+#include "win32/DataDirectories.h"
+#else
+#include "unix/DataDirectories.h"
+#endif

src/lib/common/win32/DataDirectories.cpp

@@ -0,0 +1,54 @@
+#include "DataDirectories.h"
+
+#include <Shlobj.h>
+
+// static member
+std::string DataDirectories::_personal;
+std::string DataDirectories::_profile;
+
+std::string unicode_to_mb(const WCHAR* utfStr)
+{
+    int utfLength = lstrlenW(utfStr);
+    int mbLength = WideCharToMultiByte(CP_UTF8, 0, utfStr, utfLength, NULL, 0, NULL, NULL);
+    std::string mbStr(mbLength, 0);
+    WideCharToMultiByte(CP_UTF8, 0, utfStr, utfLength, &mbStr[0], mbLength, NULL, NULL);
+    return mbStr;
+}
+
+std::string known_folder_path(const KNOWNFOLDERID& id)
+{
+    std::string path;
+    WCHAR* buffer;
+    HRESULT result = SHGetKnownFolderPath(id, 0, NULL, &buffer);
+    if (result == S_OK) {
+        path = unicode_to_mb(buffer);
+        CoTaskMemFree(buffer);
+    }
+    return path;
+}
+
+const std::string& DataDirectories::personal()
+{
+    if (_personal.empty())
+        _personal = known_folder_path(FOLDERID_Documents);
+    return _personal;
+}
+
+const std::string& DataDirectories::personal(const std::string& path)
+{
+    _personal = path;
+    return _personal;
+}
+
+const std::string& DataDirectories::profile()
+{
+    if (_profile.empty())
+        _profile = known_folder_path(FOLDERID_LocalAppData) + "\\Barrier";
+    return _profile;
+}
+
+const std::string& DataDirectories::profile(const std::string& path)
+{
+    _profile = path;
+    return _profile;
+}

src/lib/common/win32/DataDirectories.h

@@ -0,0 +1,20 @@
+#pragma once
+
+#include <string>
+
+class DataDirectories
+{
+public:
+    static const std::string& personal();
+    static const std::string& personal(const std::string& path);
+
+    static const std::string& profile();
+    static const std::string& profile(const std::string& path);
+
+private:
+    // static class
+    DataDirectories() {}
+
+    static std::string _personal;
+    static std::string _profile;
+};