patch: for "old" unix, fixed compile problems (missing xi2 stuff), and refactored header tests (thanks to Jim Hague)

CMakeLists.txt

@@ -176,14 +176,15 @@ if (UNIX)
 		# add include dir for bsd (posix uses /usr/include/)
 		set(CMAKE_INCLUDE_PATH "${CMAKE_INCLUDE_PATH}:/usr/local/include")
 
-		set(XKBlib "X11/XKBlib.h")
+		set(XKBlib "X11/Xlib.h;X11/XKBlib.h")
-		check_include_files("${XKBlib};X11/extensions/Xrandr.h" HAVE_X11_EXTENSIONS_XRANDR_H)
+		check_symbol_exists("XRRNotifyEvent" "${XKBlib};X11/extensions/Xrandr.h" HAVE_X11_EXTENSIONS_XRANDR_H)
+
 		check_include_files("${XKBlib};X11/extensions/dpms.h" HAVE_X11_EXTENSIONS_DPMS_H)
 		check_include_files("X11/extensions/Xinerama.h" HAVE_X11_EXTENSIONS_XINERAMA_H)
 		check_include_files("${XKBlib};X11/extensions/XKBstr.h" HAVE_X11_EXTENSIONS_XKBSTR_H)
 		check_include_files("X11/extensions/XKB.h" HAVE_XKB_EXTENSION)
 		check_include_files("X11/extensions/XTest.h" HAVE_X11_EXTENSIONS_XTEST_H)
-		check_include_files(${XKBlib} HAVE_X11_XKBLIB_H)
+		check_include_files("${XKBlib}" HAVE_X11_XKBLIB_H)
 		check_include_files("X11/extensions/XInput2.h" HAVE_XI2)
 
 		if (HAVE_X11_EXTENSIONS_DPMS_H)
@@ -196,8 +197,8 @@ if (UNIX)
 		endif()
 
 		check_library_exists("SM;ICE" IceConnectionNumber "" HAVE_ICE)
-		check_library_exists("X11;Xext" DPMSQueryExtension "" HAVE_Xext)
+		check_library_exists("Xext;X11" DPMSQueryExtension "" HAVE_Xext)
-		check_library_exists("X11;Xext;Xtst" XTestQueryExtension "" HAVE_Xtst)
+		check_library_exists("Xtst;Xext;X11" XTestQueryExtension "" HAVE_Xtst)
 		check_library_exists("Xinerama" XineramaQueryExtension "" HAVE_Xinerama)
 		check_library_exists("Xi" XISelectEvents "" HAVE_Xi)
 		check_library_exists("Xrandr" XRRQueryExtension "" HAVE_Xrandr)
@@ -214,7 +215,7 @@ if (UNIX)
 
 			# Xtxt depends on X11.
 			set(HAVE_X11)
-			list(APPEND libs X11 Xtst)
+			list(APPEND libs Xtst X11)
 
 		else()
 
@@ -230,7 +231,8 @@ if (UNIX)
 			list(APPEND libs Xinerama)
 		else (HAVE_Xinerama)
 			if (HAVE_X11_EXTENSIONS_XINERAMA_H)
-				message(FATAL_ERROR "Missing library: Xinerama")
+				set(HAVE_X11_EXTENSIONS_XINERAMA_H 0)
+				message(WARNING "Old Xinerama implementation detected, disabled")
 			endif()
 		endif()
 

src/lib/platform/CXWindowsScreen.cpp

@@ -156,7 +156,9 @@ CXWindowsScreen::CXWindowsScreen(const char* displayName, bool isPrimary, bool d
 		m_xi2detected = detectXI2();
 
 		if (m_xi2detected) {
+#ifdef HAVE_XI2
 			selectXIRawMotion();
+#endif
 		} else
 		{
 			// start watching for events on other windows
@@ -1229,7 +1231,7 @@ CXWindowsScreen::handleSystemEvent(const CEvent& event, void*)
 		}
 
 		// now filter the event
-		if (XFilterEvent(xevent, None)) {
+		if (XFilterEvent(xevent, DefaultRootWindow(m_display))) {
 			if (xevent->type == KeyPress) {
 				// add filtered presses to the filtered list
 				m_filtered.insert(m_lastKeycode);
@@ -1252,6 +1254,7 @@ CXWindowsScreen::handleSystemEvent(const CEvent& event, void*)
 		return;
 	}
 
+#ifdef HAVE_XI2
 	if (m_xi2detected) {
 		// Process RawMotion
 		XGenericEventCookie *cookie = (XGenericEventCookie*)&xevent->xcookie;
@@ -1282,6 +1285,7 @@ CXWindowsScreen::handleSystemEvent(const CEvent& event, void*)
         		XFreeEventData(m_display, cookie);
 		}
 	}
+#endif
 
 	// handle the event ourself
 	switch (xevent->type) {
@@ -2068,6 +2072,7 @@ CXWindowsScreen::detectXI2()
 			"XInputExtension", &xi_opcode, &event, &error);
 }
 
+#ifdef HAVE_XI2
 void
 CXWindowsScreen::selectXIRawMotion()
 {
@@ -2083,3 +2088,4 @@ CXWindowsScreen::selectXIRawMotion()
 	XISelectEvents(m_display, DefaultRootWindow(m_display), &mask, 1);
 	free(mask.mask);
 }
+#endif

src/lib/platform/CXWindowsScreen.h

@@ -140,7 +140,9 @@ private:
 	void				onMouseMove(const XMotionEvent&);
 
 	bool				detectXI2();
+#ifdef HAVE_XI2
 	void				selectXIRawMotion();
+#endif
 	void				selectEvents(Window) const;
 	void				doSelectEvents(Window) const;
 

src/lib/platform/CXWindowsUtil.cpp

@@ -1479,8 +1479,10 @@ CXWindowsUtil::mapKeySymToKeyID(KeySym k)
 		case XK_ISO_Level3_Shift:
 			return kKeyAltGr;
 
+#ifdef XK_ISO_Level5_Shift
 		case XK_ISO_Level5_Shift:
 			return XK_ISO_Level5_Shift; //FIXME: there is no "usual" key for this...
+#endif
 
 		case XK_ISO_Next_Group:
 			return kKeyNextGroup;
@@ -1582,8 +1584,10 @@ CXWindowsUtil::getModifierBitForKeySym(KeySym keysym)
 	case XK_ISO_Level3_Shift:
 		return kKeyModifierBitAltGr;
 
+#ifdef XK_ISO_Level5_Shift
 	case XK_ISO_Level5_Shift:
 		return kKeyModifierBitLevel5Lock;
+#endif
 
 	case XK_Caps_Lock:
 		return kKeyModifierBitCapsLock;