Fix IME stuck when 0-len TEXTEDITING event is missing.

src/engine/client/input.cpp

@@ -49,7 +49,7 @@ CInput::CInput()
 	m_VideoRestartNeeded = 0;
 	m_pClipboardText = NULL;
 
-	m_CountEditingText = 0;
+	m_NumTextInputInstances = 0;
 	m_EditingTextLen = -1;
 	m_aEditingText[0] = 0;
 }
@@ -144,28 +144,28 @@ void CInput::NextFrame()
 
 bool CInput::GetIMEState()
 {
-	return m_CountEditingText > 0;
+	return m_NumTextInputInstances > 0;
 }
 
 void CInput::SetIMEState(bool Activate)
 {
 	if(Activate)
 	{
-		if(m_CountEditingText == 0)
+		if(m_NumTextInputInstances == 0)
 			SDL_StartTextInput();
-		m_CountEditingText++;
+		m_NumTextInputInstances++;
 	}
 	else
 	{
-		if(m_CountEditingText == 0)
+		if(m_NumTextInputInstances == 0)
 			return;
-		m_CountEditingText--;
-		if(m_CountEditingText == 0)
+		m_NumTextInputInstances--;
+		if(m_NumTextInputInstances == 0)
 			SDL_StopTextInput();
 	}
 }
 
-const char *CInput::GetIMECandidate()
+const char *CInput::GetIMEEditingText()
 {
 	if(m_EditingTextLen > 0)
 		return m_aEditingText;
@@ -241,9 +241,14 @@ int CInput::Update()
 					for(int i = 0; i < Event.edit.start; i++)
 						m_EditingCursor = str_utf8_forward(m_aEditingText, m_EditingCursor);
 				}
+				else
+				{
+					m_aEditingText[0] = 0;
+				}
 				break;
 			}
 			case SDL_TEXTINPUT:
+				m_EditingTextLen = 0;
 				AddEvent(Event.text.text, 0, IInput::FLAG_TEXT);
 				break;
 			// handle keys

src/engine/client/input.h

@@ -31,8 +31,8 @@ class CInput : public IEngineInput
 	int m_InputCounter;
 
 	// IME support
-	int m_CountEditingText;
-	char m_aEditingText[32];
+	int m_NumTextInputInstances;
+	char m_aEditingText[INPUT_TEXT_SIZE];
 	int m_EditingTextLen;
 	int m_EditingCursor;
 
@@ -62,7 +62,7 @@ public:
 
 	virtual bool GetIMEState();
 	virtual void SetIMEState(bool Activate);
-	virtual const char *GetIMECandidate();
+	virtual const char *GetIMEEditingText();
 	virtual int GetEditingCursor();
 	virtual void SetEditingPosition(float X, float Y);
 };

src/engine/input.h

@@ -12,12 +12,17 @@ class IInput : public IInterface
 {
 	MACRO_INTERFACE("input", 0)
 public:
+	enum
+	{
+		INPUT_TEXT_SIZE = 128
+	};
+
 	class CEvent
 	{
 	public:
 		int m_Flags;
 		int m_Key;
-		char m_aText[32];
+		char m_aText[INPUT_TEXT_SIZE];
 		int m_InputCount;
 	};
 
@@ -70,7 +75,7 @@ public:
 
 	virtual bool GetIMEState() = 0;
 	virtual void SetIMEState(bool Activate) = 0;
-	virtual const char *GetIMECandidate() = 0;
+	virtual const char *GetIMEEditingText() = 0;
 	virtual int GetEditingCursor() = 0;
 	virtual void SetEditingPosition(float X, float Y) = 0;
 };

src/game/client/components/chat.cpp

@@ -1152,9 +1152,9 @@ void CChat::OnRender()
 		int EditingCursor = Input()->GetEditingCursor();
 		if(Input()->GetIMEState())
 		{
-			if(str_length(Input()->GetIMECandidate()))
+			if(str_length(Input()->GetIMEEditingText()))
 			{
-				m_Input.Editing(Input()->GetIMECandidate(), EditingCursor);
+				m_Input.Editing(Input()->GetIMEEditingText(), EditingCursor);
 				Editing = true;
 			}
 		}

src/game/client/components/console.cpp

@@ -580,9 +580,9 @@ void CGameConsole::OnRender()
 		int EditingCursor = Input()->GetEditingCursor();
 		if(Input()->GetIMEState())
 		{
-			if(str_length(Input()->GetIMECandidate()))
+			if(str_length(Input()->GetIMEEditingText()))
 			{
-				pConsole->m_Input.Editing(Input()->GetIMECandidate(), EditingCursor);
+				pConsole->m_Input.Editing(Input()->GetIMEEditingText(), EditingCursor);
 				Editing = true;
 			}
 		}

src/game/client/components/menus.cpp

@@ -439,11 +439,11 @@ int CMenus::DoEditBox(void *pID, const CUIRect *pRect, char *pStr, unsigned StrS
 		pDisplayStr = aStars;
 	}
 
-	char aInputing[32] = {0};
+	char aInputing[IInput::INPUT_TEXT_SIZE] = {0};
 	if(UI()->HotItem() == pID && Input()->GetIMEState())
 	{
 		str_copy(aInputing, pStr, sizeof(aInputing));
-		const char *Text = Input()->GetIMECandidate();
+		const char *Text = Input()->GetIMEEditingText();
 		if(str_length(Text))
 		{
 			int NewTextLen = str_length(Text);

src/game/client/lineinput.cpp

@@ -33,19 +33,19 @@ void CLineInput::Set(const char *pString)
 void CLineInput::Editing(const char *pString, int Cursor)
 {
 	str_copy(m_DisplayStr, m_Str, sizeof(m_DisplayStr));
-	char Texting[34];
-	str_format(Texting, sizeof(Texting), "[%s]", pString);
-	int NewTextLen = str_length(Texting);
+	char EditingText[IInput::INPUT_TEXT_SIZE + 2];
+	str_format(EditingText, sizeof(EditingText), "[%s]", pString);
+	int NewTextLen = str_length(EditingText);
 	int CharsLeft = (int)sizeof(m_DisplayStr) - str_length(m_DisplayStr) - 1;
 	int FillCharLen = NewTextLen < CharsLeft ? NewTextLen : CharsLeft;
 	for(int i = str_length(m_DisplayStr) - 1; i >= m_CursorPos; i--)
 		m_DisplayStr[i + FillCharLen] = m_DisplayStr[i];
 	for(int i = 0; i < FillCharLen; i++)
 	{
-		if(Texting[i] == 28)
+		if(EditingText[i] == 28)
 			m_DisplayStr[m_CursorPos + i] = ' ';
 		else
-			m_DisplayStr[m_CursorPos + i] = Texting[i];
+			m_DisplayStr[m_CursorPos + i] = EditingText[i];
 	}
 	m_FakeLen = str_length(m_DisplayStr);
 	m_FakeCursorPos = m_CursorPos + Cursor + 1;

src/game/client/lineinput.h

@@ -18,7 +18,7 @@ class CLineInput
 	int m_CursorPos;
 	int m_NumChars;
 
-	char m_DisplayStr[MAX_SIZE + 34];
+	char m_DisplayStr[MAX_SIZE + IInput::INPUT_TEXT_SIZE + 2];
 	int m_FakeLen;
 	int m_FakeCursorPos;