Move input.c and input.h into the client and rename to sdl.c.

The input system backend was once used in the client and the renderers,
but for some years now it has been an integral part of the client only.
Move it there.

CMakeLists.txt

@@ -165,15 +165,9 @@ endif()
 set(Backends-Generic-Source
 	${BACKENDS_SRC_DIR}/generic/misc.c
 	${BACKENDS_SRC_DIR}/generic/vid.c
-
-	${BACKENDS_SRC_DIR}/sdl/input.c
 	${BACKENDS_SRC_DIR}/sdl/refresh.c
 	)
 
-set(Backends-Generic-Header
-	${BACKENDS_SRC_DIR}/generic/header/input.h
-	)
-
 set(Backends-Unix-Source
 	${BACKENDS_SRC_DIR}/generic/misc.c
 	${BACKENDS_SRC_DIR}/unix/main.c
@@ -315,6 +309,7 @@ set(Client-Source
 	${CLIENT_SRC_DIR}/cl_screen.c
 	${CLIENT_SRC_DIR}/cl_tempentities.c
 	${CLIENT_SRC_DIR}/cl_view.c
+	${CLIENT_SRC_DIR}/input/sdl.c
 	${CLIENT_SRC_DIR}/menu/menu.c
 	${CLIENT_SRC_DIR}/menu/qmenu.c
 	${CLIENT_SRC_DIR}/menu/videomenu.c
@@ -363,6 +358,7 @@ set(Client-Header
 	${CLIENT_SRC_DIR}/header/ref.h
 	${CLIENT_SRC_DIR}/header/screen.h
 	${CLIENT_SRC_DIR}/header/vid.h
+	${CLIENT_SRC_DIR}/input/header/input.h
 	${CLIENT_SRC_DIR}/menu/header/qmenu.h
 	${CLIENT_SRC_DIR}/sound/header/local.h
 	${CLIENT_SRC_DIR}/sound/header/qal.h
@@ -545,7 +541,7 @@ endif()
 
 if(${CMAKE_SYSTEM_NAME} MATCHES "Windows")
 	add_executable(yquake2 ${Client-Source} ${Client-Header} ${Platform-Specific-Source}
-			${Backends-Generic-Source} ${Backends-Generic-Header})
+			${Backends-Generic-Source})
 	set_target_properties(yquake2 PROPERTIES
 			RUNTIME_OUTPUT_DIRECTORY ${CMAKE_BINARY_DIR}/release
 			)
@@ -559,7 +555,7 @@ if(${CMAKE_SYSTEM_NAME} MATCHES "Windows")
 			)
 else()
 	add_executable(quake2 ${Client-Source} ${Client-Header} ${Platform-Specific-Source}
-			${Backends-Generic-Source} ${Backends-Generic-Header})
+			${Backends-Generic-Source})
 	set_target_properties(quake2 PROPERTIES
 			RUNTIME_OUTPUT_DIRECTORY ${CMAKE_BINARY_DIR}/release
 			)

Makefile

@@ -692,7 +692,6 @@ GAME_OBJS_ = \
 CLIENT_OBJS_ := \
 	src/backends/generic/misc.o \
 	src/backends/generic/vid.o \
-	src/backends/sdl/input.o \
 	src/backends/sdl/refresh.o \
 	src/client/cl_cin.o \
 	src/client/cl_console.o \
@@ -711,6 +710,7 @@ CLIENT_OBJS_ := \
 	src/client/cl_screen.o \
 	src/client/cl_tempentities.o \
 	src/client/cl_view.o \
+	src/client/input/sdl.o \
 	src/client/menu/menu.o \
 	src/client/menu/qmenu.o \
 	src/client/menu/videomenu.o \

src/backends/unix/system.c

@@ -43,7 +43,6 @@
 
 #include "../../common/header/common.h"
 #include "../../common/header/glob.h"
-#include "../generic/header/input.h"
 
 // Pointer to game library
 static void *game_library;

src/backends/windows/system.c

@@ -35,7 +35,6 @@
 #include <windows.h>
 
 #include "../../common/header/common.h"
-#include "../generic/header/input.h"
 #include "header/resource.h"
 
 // stdin and stdout handles

src/client/cl_cin.c

@@ -26,7 +26,7 @@
  */
 
 #include "header/client.h"
-#include "../backends/generic/header/input.h"
+#include "input/header/input.h"
 
 extern cvar_t *vid_renderer;
 

src/client/cl_input.c

@@ -26,7 +26,7 @@
  */
 
 #include "header/client.h"
-#include "../backends/generic/header/input.h"
+#include "input/header/input.h"
 
 cvar_t *cl_nodelta;
 

src/client/cl_main.c

@@ -26,7 +26,7 @@
  */
 
 #include "header/client.h"
-#include "../backends/generic/header/input.h"
+#include "input/header/input.h"
 
 void CL_ForwardToServer_f(void);
 void CL_Changing_f(void);

src/client/cl_parse.c

@@ -25,7 +25,7 @@
  */
 
 #include "header/client.h"
-#include "../backends/generic/header/input.h"
+#include "input/header/input.h"
 
 void CL_DownloadFileName(char *dest, int destlen, char *fn);
 void CL_ParseDownload(void);

src/client/cl_view.c

@@ -25,7 +25,7 @@
  */
 
 #include "header/client.h"
-#include "../backends/generic/header/input.h"
+#include "input/header/input.h"
 
 /* development tools for weapons */
 int gun_frame;

src/client/input/sdl.c

@@ -29,9 +29,9 @@
 
 #include <SDL2/SDL.h>
 
+#include "header/input.h"
 #include "../../client/header/keyboard.h"
 #include "../../client/header/client.h"
-#include "../generic/header/input.h"
 
 // ----