Improved lamexp_themes_enabled() function.

etc/Translation/Blank.ts

@@ -3304,23 +3304,23 @@
 <context>
     <name>QApplication</name>
     <message>
-        <location filename="../../src/Global.cpp" line="855"/>
+        <location filename="../../src/Global.cpp" line="864"/>
         <source>Executable &apos;%1&apos; doesn&apos;t support Windows compatibility mode.</source>
         <translation type="unfinished"></translation>
     </message>
     <message>
-        <location filename="../../src/Global.cpp" line="1109"/>
+        <location filename="../../src/Global.cpp" line="1118"/>
         <source>Executable &apos;%1&apos; requires Qt v%2, but found Qt v%3.</source>
         <translation type="unfinished"></translation>
     </message>
     <message>
-        <location filename="../../src/Global.cpp" line="1114"/>
+        <location filename="../../src/Global.cpp" line="1123"/>
         <source>Executable &apos;%1&apos; was built for Qt &apos;%2&apos;, but found Qt &apos;%3&apos;.</source>
         <translation type="unfinished"></translation>
     </message>
     <message>
-        <location filename="../../src/Global.cpp" line="1127"/>
+        <location filename="../../src/Global.cpp" line="1136"/>
-        <location filename="../../src/Global.cpp" line="1154"/>
+        <location filename="../../src/Global.cpp" line="1163"/>
         <source>Executable &apos;%1&apos; requires Windows 2000 or later.</source>
         <translation type="unfinished"></translation>
     </message>

etc/Translation/LameXP_PL.ts

@@ -3341,23 +3341,23 @@
 <context>
     <name>QApplication</name>
     <message>
-        <location filename="../../src/Global.cpp" line="855"/>
+        <location filename="../../src/Global.cpp" line="864"/>
         <source>Executable &apos;%1&apos; doesn&apos;t support Windows compatibility mode.</source>
         <translation type="unfinished">Plik wykonywalny &apos;%1&apos; nie działa w trybie kompatybilności z Windows.</translation>
     </message>
     <message>
-        <location filename="../../src/Global.cpp" line="1109"/>
+        <location filename="../../src/Global.cpp" line="1118"/>
         <source>Executable &apos;%1&apos; requires Qt v%2, but found Qt v%3.</source>
         <translation type="unfinished">Plik wykonywalny &apos;%1&apos; wymaga Qt v%2, znaleziono jednak Qt v%3.</translation>
     </message>
     <message>
-        <location filename="../../src/Global.cpp" line="1114"/>
+        <location filename="../../src/Global.cpp" line="1123"/>
         <source>Executable &apos;%1&apos; was built for Qt &apos;%2&apos;, but found Qt &apos;%3&apos;.</source>
         <translation type="unfinished">Plik wykonywalny &quot;%1&quot; został skompilowany dla Qt &quot;%2&quot;, znaleziono &quot;%3&quot;.</translation>
     </message>
     <message>
-        <location filename="../../src/Global.cpp" line="1127"/>
+        <location filename="../../src/Global.cpp" line="1136"/>
-        <location filename="../../src/Global.cpp" line="1154"/>
+        <location filename="../../src/Global.cpp" line="1163"/>
         <source>Executable &apos;%1&apos; requires Windows 2000 or later.</source>
         <translation type="unfinished">Plik wykonywalny &apos;%1&apos; wymaga do uruchomienia Windows 2000 lub nowszego.</translation>
     </message>

etc/Translation/LameXP_SV.ts

@@ -3324,23 +3324,23 @@
 <context>
     <name>QApplication</name>
     <message>
-        <location filename="../../src/Global.cpp" line="855"/>
+        <location filename="../../src/Global.cpp" line="864"/>
         <source>Executable &apos;%1&apos; doesn&apos;t support Windows compatibility mode.</source>
         <translation>EXE-filen &apos;%1&apos; stöder inte Windows kompatibilitetsläge.</translation>
     </message>
     <message>
-        <location filename="../../src/Global.cpp" line="1109"/>
+        <location filename="../../src/Global.cpp" line="1118"/>
         <source>Executable &apos;%1&apos; requires Qt v%2, but found Qt v%3.</source>
         <translation>EXE-filen &apos;%1&apos; kräver Qt v%2, du har Qt v%3.</translation>
     </message>
     <message>
-        <location filename="../../src/Global.cpp" line="1114"/>
+        <location filename="../../src/Global.cpp" line="1123"/>
         <source>Executable &apos;%1&apos; was built for Qt &apos;%2&apos;, but found Qt &apos;%3&apos;.</source>
         <translation>EXE-filen &apos;%1&apos; är byggd för Qt &apos;%2&apos;, du har Qt &apos;%3&apos;.</translation>
     </message>
     <message>
-        <location filename="../../src/Global.cpp" line="1127"/>
+        <location filename="../../src/Global.cpp" line="1136"/>
-        <location filename="../../src/Global.cpp" line="1154"/>
+        <location filename="../../src/Global.cpp" line="1163"/>
         <source>Executable &apos;%1&apos; requires Windows 2000 or later.</source>
         <translation>EXE-filen &apos;%1&apos; kräver Windows 2000 eller senare.</translation>
     </message>

src/Config.h

@@ -30,7 +30,7 @@
 #define VER_LAMEXP_MINOR_LO					7
 #define VER_LAMEXP_TYPE						Beta
 #define VER_LAMEXP_PATCH					7
-#define VER_LAMEXP_BUILD					1248
+#define VER_LAMEXP_BUILD					1250
 
 ///////////////////////////////////////////////////////////////////////////////
 // Tool versions (minimum expected versions!)

src/Dialog_CueImport.cpp

@@ -247,7 +247,7 @@ void CueImportDialog::browseButtonClicked(void)
 		if(pos > 0) currentDir.left(pos - 1); else break;
 	}
 
-	if(lamexp_themes_enabled() || ((QSysInfo::windowsVersion() & QSysInfo::WV_NT_based) < QSysInfo::WV_XP))
+	if(lamexp_themes_enabled())
 	{
 		newOutDir = QFileDialog::getExistingDirectory(this, tr("Choose Output Directory"), currentDir);
 	}

src/Dialog_MainWindow.cpp

@@ -152,7 +152,7 @@ while(0)
 
 #define LINK(URL) QString("<a href=\"%1\">%2</a>").arg(URL).arg(QString(URL).replace("-", "&minus;"))
 #define FSLINK(PATH) QString("<a href=\"file:///%1\">%2</a>").arg(PATH).arg(QString(PATH).replace("-", "&minus;"))
-#define USE_NATIVE_FILE_DIALOG (lamexp_themes_enabled() || ((QSysInfo::windowsVersion() & QSysInfo::WV_NT_based) < QSysInfo::WV_XP))
+//#define USE_NATIVE_FILE_DIALOG (lamexp_themes_enabled() || ((QSysInfo::windowsVersion() & QSysInfo::WV_NT_based) < QSysInfo::WV_XP))
 #define CENTER_CURRENT_OUTPUT_FOLDER_DELAYED QTimer::singleShot(125, this, SLOT(centerOutputFolderModel()))
 
 static const DWORD IDM_ABOUTBOX = 0xEFF0;
@@ -1931,7 +1931,7 @@ void MainWindow::importCueSheetActionTriggered(bool checked)
 			int result = 0;
 			QString selectedCueFile;
 
-			if(USE_NATIVE_FILE_DIALOG)
+			if(lamexp_themes_enabled())
 			{
 				selectedCueFile = QFileDialog::getOpenFileName(this, tr("Open Cue Sheet"), m_settings->mostRecentInputPath(), QString("%1 (*.cue)").arg(tr("Cue Sheet File")));
 			}
@@ -2155,7 +2155,7 @@ void MainWindow::addFilesButtonClicked(void)
 
 	TEMP_HIDE_DROPBOX
 	(
-		if(USE_NATIVE_FILE_DIALOG)
+		if(lamexp_themes_enabled())
 		{
 			QStringList fileTypeFilters = DecoderRegistry::getSupportedTypes();
 			QStringList selectedFiles = QFileDialog::getOpenFileNames(this, tr("Add file(s)"), m_settings->mostRecentInputPath(), fileTypeFilters.join(";;"));
@@ -2197,7 +2197,7 @@ void MainWindow::openFolderActionActivated(void)
 	{
 		TEMP_HIDE_DROPBOX
 		(
-			if(USE_NATIVE_FILE_DIALOG)
+			if(lamexp_themes_enabled())
 			{
 				selectedFolder = QFileDialog::getExistingDirectory(this, tr("Add Folder"), m_settings->mostRecentInputPath());
 			}
@@ -2459,7 +2459,7 @@ void MainWindow::exportCsvContextActionTriggered(void)
 	(
 		QString selectedCsvFile;
 	
-		if(USE_NATIVE_FILE_DIALOG)
+		if(lamexp_themes_enabled())
 		{
 			selectedCsvFile = QFileDialog::getSaveFileName(this, tr("Save CSV file"), m_settings->mostRecentInputPath(), QString("%1 (*.csv)").arg(tr("CSV File")));
 		}
@@ -2510,7 +2510,7 @@ void MainWindow::importCsvContextActionTriggered(void)
 	(
 		QString selectedCsvFile;
 	
-		if(USE_NATIVE_FILE_DIALOG)
+		if(lamexp_themes_enabled())
 		{
 			selectedCsvFile = QFileDialog::getOpenFileName(this, tr("Open CSV file"), m_settings->mostRecentInputPath(), QString("%1 (*.csv)").arg(tr("CSV File")));
 		}
@@ -3853,7 +3853,7 @@ void MainWindow::browseCustomTempFolderButtonClicked(void)
 {
 	QString newTempFolder;
 
-	if(USE_NATIVE_FILE_DIALOG)
+	if(lamexp_themes_enabled())
 	{
 		newTempFolder = QFileDialog::getExistingDirectory(this, QString(), m_settings->customTempPath());
 	}

src/Global.cpp

@@ -265,7 +265,7 @@ static struct
 }
 g_lamexp_argv;
 
-//CLI Arguments
+//OS Version
 static struct
 {
 	bool bInitialized;
@@ -274,6 +274,15 @@ static struct
 }
 g_lamexp_os_version;
 
+//Win32 Theme support
+static struct
+{
+	bool bInitialized;
+	bool bThemesEnabled;
+	QReadWriteLock lock;
+}
+g_lamexp_themes_enabled;
+
 //Shared memory
 static const struct
 {
@@ -2001,29 +2010,40 @@ bool lamexp_themes_enabled(void)
 {
 	typedef int (WINAPI *IsAppThemedFun)(void);
 	
-	static bool isAppThemed = false;
+	QReadLocker readLock(&g_lamexp_themes_enabled.lock);
-	static bool isAppThemed_initialized = false;
+	if(g_lamexp_themes_enabled.bInitialized)
-
-	if(!isAppThemed_initialized)
 	{
-		IsAppThemedFun IsAppThemedPtr = NULL;
+		return g_lamexp_themes_enabled.bThemesEnabled;
-		QLibrary uxTheme(QString("%1/UxTheme.dll").arg(lamexp_known_folder(lamexp_folder_systemfolder)));
-		if(uxTheme.load())
-		{
-			IsAppThemedPtr = (IsAppThemedFun) uxTheme.resolve("IsAppThemed");
-		}
-		if(IsAppThemedPtr)
-		{
-			isAppThemed = IsAppThemedPtr();
-			if(!isAppThemed)
-			{
-				qWarning("Theme support is disabled for this process!");
-			}
-		}
-		isAppThemed_initialized = true;
 	}
 
-	return isAppThemed;
+	readLock.unlock();
+	QWriteLocker writeLock(&g_lamexp_themes_enabled.lock);
+
+	if(!g_lamexp_themes_enabled.bInitialized)
+	{
+		g_lamexp_themes_enabled.bThemesEnabled = false;
+		const lamexp_os_version_t * osVersion = lamexp_get_os_version();
+		if(LAMEXP_MIN_OS_VER(osVersion, 5, 1))
+		{
+			IsAppThemedFun IsAppThemedPtr = NULL;
+			QLibrary uxTheme(QString("%1/UxTheme.dll").arg(lamexp_known_folder(lamexp_folder_systemfolder)));
+			if(uxTheme.load())
+			{
+				IsAppThemedPtr = (IsAppThemedFun) uxTheme.resolve("IsAppThemed");
+			}
+			if(IsAppThemedPtr)
+			{
+				g_lamexp_themes_enabled.bThemesEnabled = IsAppThemedPtr();
+				if(!g_lamexp_themes_enabled.bThemesEnabled)
+				{
+					qWarning("Theme support is disabled for this process!");
+				}
+			}
+		}
+		g_lamexp_themes_enabled.bInitialized = true;
+	}
+
+	return g_lamexp_themes_enabled.bThemesEnabled;
 }
 
 /*
@@ -2372,6 +2392,7 @@ extern "C"
 		LAMEXP_ZERO_MEMORY(g_lamexp_folder);
 		LAMEXP_ZERO_MEMORY(g_lamexp_ipc_ptr);
 		LAMEXP_ZERO_MEMORY(g_lamexp_os_version);
+		LAMEXP_ZERO_MEMORY(g_lamexp_themes_enabled);
 
 		//Make sure we will pass the check
 		g_lamexp_entry_check_flag = ~g_lamexp_entry_check_flag;