Changed: #941 Dead keys are not working on Linux

code/nel/src/3d/driver/opengl/driver_opengl.cpp

@@ -1136,6 +1136,8 @@ bool CDriverGL::setDisplay(nlWindow wnd, const GfxMode &mode, bool show, bool re
 		XChangeWindowAttributes(dpy, win, attr_flags, &attr);
 	}
 
+	const char *title="NeL window";
+
 	XSizeHints size_hints;
 	size_hints.x = 0;
 	size_hints.y = 0;
@@ -1147,13 +1149,14 @@ bool CDriverGL::setDisplay(nlWindow wnd, const GfxMode &mode, bool show, bool re
 	size_hints.max_width = width;
 	size_hints.max_height = height;
 
+#ifdef X_HAVE_UTF8_STRING
+	Xutf8SetWMProperties (dpy, win, (char*)title, (char*)title, NULL, 0, &size_hints, NULL, NULL);
+#else
 	XTextProperty text_property;
-	// FIXME char*s are created as const char*, but that doesn't work
-	// with XStringListToTextProperty()'s char** ...
-	const char *title="NeL window";
 	XStringListToTextProperty((char**)&title, 1, &text_property);
-
 	XSetWMProperties (dpy, win, &text_property, &text_property,  0, 0, &size_hints, 0, 0);
+#endif
+
 	glXMakeCurrent (dpy, win, ctx);
 	XMapRaised (dpy, win);
 
@@ -1310,8 +1313,6 @@ bool CDriverGL::setDisplay(nlWindow wnd, const GfxMode &mode, bool show, bool re
 	if(_Extensions.EXTSeparateSpecularColor)
 	{
 		glLightModeli((GLenum)GL_LIGHT_MODEL_COLOR_CONTROL_EXT, GL_SEPARATE_SPECULAR_COLOR_EXT);
-
-
 	}
 
 	_VertexProgramEnabled= false;

code/nel/src/3d/driver/opengl/unix_event_emitter.cpp

@@ -29,12 +29,42 @@ namespace NLMISC {
 
 CUnixEventEmitter::CUnixEventEmitter ():_dpy(NULL), _win(0), _PreviousKey(KeyNOKEY)
 {
+	_im = 0;
+	_ic = 0;
+}
+
+CUnixEventEmitter::~CUnixEventEmitter()
+{
+	if (_ic) XDestroyIC(_ic);
+	if (_im) XCloseIM(_im);
 }
 
 void CUnixEventEmitter::init (Display *dpy, Window win)
 {
 	_dpy = dpy;
 	_win = win;
+
+	createIM();
+}
+
+void CUnixEventEmitter::createIM()
+{
+	_im = XOpenIM(_dpy, NULL, NULL, NULL);
+	if (_im)
+	{
+		_ic = XCreateIC(_im, XNInputStyle, XIMPreeditNothing | XIMStatusNothing, XNClientWindow, _win, XNFocusWindow, _win, NULL);
+//		XSetICFocus(_ic);
+	}
+	else
+	{
+		_ic = 0;
+		nlwarning("XCreateIM failed");
+	}
+
+	if (!_ic)
+	{
+		nlwarning("XCreateIC failed");
+	}
 }
 
 void CUnixEventEmitter::submitEvents(CEventServer & server, bool allWindows)
@@ -352,14 +382,28 @@ void CUnixEventEmitter::processMessage (XEvent &event, CEventServer &server)
 	}
 	Case(KeyPress)
 	{
+		uint keyCode = event.xkey.keycode;
+		KeySym k = XKeycodeToKeysym(_dpy, keyCode, 0);
 		char Text[256];
-		KeySym k;
 		int c = 0;
+
+		// if key event is filtered, we must NOT use XLookupString
+		if (!XFilterEvent(&event, _win))
+		{
+			Status status = XLookupNone;
+
+#ifdef X_HAVE_UTF8_STRING
+			if (_ic)
+				c = Xutf8LookupString(_ic, &event.xkey, Text, sizeof(Text), &k, &status);
+#endif
+
+			if (status == XLookupNone)
 				c = XLookupString(&event.xkey, Text, sizeof(Text), &k, NULL);
+		}
 
 		TKey key = getKeyFromKeySym(k);
 		if(key == KeyNOKEY)
-			key = getKeyFromKeycode(event.xkey.keycode);
+			key = getKeyFromKeycode(keyCode);
 
 		server.postEvent (new CEventKeyDown (key, getKeyButton(event.xbutton.state), _PreviousKey != key, this));
 		_PreviousKey = key;
@@ -371,10 +415,9 @@ void CUnixEventEmitter::processMessage (XEvent &event, CEventServer &server)
 		Text[c] = '\0';
 		if(c>0)
 		{
-			for (int i = 0; i < c; i++)
-			{
-				server.postEvent (new CEventChar ((ucchar)(unsigned char)Text[i], noKeyButton, this));
-			}
+			ucstring ucstr;
+			ucstr.fromUtf8(Text);
+			server.postEvent (new CEventChar (ucstr[0], noKeyButton, this));
 		}
 		break;
 	}
@@ -389,8 +432,10 @@ void CUnixEventEmitter::processMessage (XEvent &event, CEventServer &server)
 		break;
 	}
 	Case(FocusIn)
+		if (_ic) XSetICFocus(_ic);
 		return;
 	Case(FocusOut)
+		if (_ic) XUnsetICFocus(_ic);
 		return;
 	Case(Expose)
 		break;
@@ -398,6 +443,8 @@ void CUnixEventEmitter::processMessage (XEvent &event, CEventServer &server)
 		XRefreshKeyboardMapping((XMappingEvent *)&event);
 		break;
 	Case(DestroyNotify)
+		// XIM server has crashed
+		createIM();
 		break;
 	Case(ConfigureNotify)
 		/* if (event.xconfigure.width==gmaxx && event.xconfigure.height==gmaxy) {

code/nel/src/3d/driver/opengl/unix_event_emitter.h

@@ -41,6 +41,7 @@ public:
 
 	/// Constructor
 	CUnixEventEmitter();
+	virtual ~CUnixEventEmitter();
 
 	void init (Display *dpy, Window win);
 
@@ -55,9 +56,13 @@ public:
 	void processMessage (XEvent &event, CEventServer &server);
 
 private:
+	void createIM();
+
 	Display *_dpy;
 	Window   _win;
 	TKey     _PreviousKey;
+	XIM      _im;
+	XIC      _ic;
 };