1 files changed, 87 insertions, 0 deletions
diff --git a/Examples/WhisperDesktop/Utils/LanguageDropdown.cpp b/Examples/WhisperDesktop/Utils/LanguageDropdown.cpp
new file mode 100644
index 0000000..36cd1a8
--- /dev/null
+++ b/Examples/WhisperDesktop/Utils/LanguageDropdown.cpp
@@ -0,0 +1,87 @@
+#include "stdafx.h"
+#include "LanguageDropdown.h"
+#include "miscUtils.h"
+
+namespace
+{
+	inline wchar_t toUpper( wchar_t c )
+	{
+		size_t st = (uint16_t)c;
+		st = reinterpret_cast<size_t>( CharUpperW( reinterpret_cast<LPWSTR>( st ) ) );
+		return (wchar_t)(uint16_t)st;
+	}
+
+	void makeTitleCase( CString& s )
+	{
+		bool cap = true;
+		for( int i = 0; i < s.GetLength(); i++ )
+		{
+			wchar_t c = s[ i ];
+			if( cap )
+			{
+				c = toUpper( c );
+				s.SetAt( i, c );
+			}
+			cap = false;
+			if( c == ' ' )
+				cap = true;
+		}
+	}
+}
+
+int LanguageDropdown::getInitialSelection( AppState& state ) const
+{
+	constexpr uint32_t english = 0x6E65;
+
+	// Load preference from the registry
+	uint32_t id = state.languageRead();
+	if( id == UINT_MAX )
+		id = english;
+
+	auto it = std::find( keys.begin(), keys.end(), id );
+	if( it == keys.end() )
+	{
+		id = english;
+		it = std::find( keys.begin(), keys.end(), id );
+		assert( it != keys.end() );
+	}
+
+	ptrdiff_t idx = it - keys.begin();
+	return (int)idx;
+}
+
+void LanguageDropdown::initialize( HWND owner, int idc, AppState& state )
+{
+	m_hWnd = GetDlgItem( owner, idc );
+	assert( nullptr != m_hWnd );
+
+	Whisper::sLanguageList list;
+	Whisper::getSupportedLanguages( list );
+
+	const size_t length = list.length;
+	keys.resize( length );
+	CString utf16;
+	for( size_t i = 0; i < length; i++ )
+	{
+		keys[ i ] = list.pointer[ i ].key;
+		makeUtf16( utf16, list.pointer[ i ].name );
+		makeTitleCase( utf16 );
+		SendMessage( m_hWnd, CB_ADDSTRING, 0, (LPARAM)cstr( utf16 ) );
+	}
+
+	const int curSel = getInitialSelection( state );
+	SendMessage( m_hWnd, CB_SETCURSEL, curSel, 0 );
+}
+
+uint32_t LanguageDropdown::selectedLanguage()
+{
+	const int cs = (int)SendMessage( m_hWnd, CB_GETCURSEL, 0, 0 );
+	if( cs < 0 || cs >= keys.size() )
+		return UINT_MAX;
+	return keys[ cs ];
+}
+
+void LanguageDropdown::saveSelection( AppState& state )
+{
+	state.languageWrite( selectedLanguage() );
+}
+\ No newline at end of file