Initial support for XInput2 by Dimitris Zenios

1.initial work on XInput2 support
2.Implemented relative mouse motion when XInput2 is enabled
3.Created a test app to test relative mouse motion
4.Fixed Bug #1498

test/Makefile.in

@@ -22,6 +22,7 @@ TARGETS = \
 	testiconv$(EXE) \
 	testime$(EXE) \
 	testintersections$(EXE) \
+	testrelative$(EXE) \
 	testjoystick$(EXE) \
 	testkeys$(EXE) \
 	testloadso$(EXE) \
@@ -71,6 +72,9 @@ testatomic$(EXE): $(srcdir)/testatomic.c
 testintersections$(EXE): $(srcdir)/testintersections.c $(srcdir)/common.c
 	$(CC) -o $@ $(srcdir)/testintersections.c $(srcdir)/common.c $(CFLAGS) $(LIBS)
 
+testrelative$(EXE): $(srcdir)/testrelative.c $(srcdir)/common.c
+	$(CC) -o $@ $(srcdir)/testrelative.c $(srcdir)/common.c $(CFLAGS) $(LIBS)
+
 testdraw2$(EXE): $(srcdir)/testdraw2.c $(srcdir)/common.c
 	$(CC) -o $@ $(srcdir)/testdraw2.c $(srcdir)/common.c $(CFLAGS) $(LIBS)
 

test/testrelative.c

@@ -0,0 +1,95 @@
+/*
+  Copyright (C) 1997-2011 Sam Lantinga <slouken@libsdl.org>
+
+  This software is provided 'as-is', without any express or implied
+  warranty.  In no event will the authors be held liable for any damages
+  arising from the use of this software.
+
+  Permission is granted to anyone to use this software for any purpose,
+  including commercial applications, and to alter it and redistribute it
+  freely.
+*/
+
+/* Simple program:  Test relative mouse motion */
+
+#include <stdlib.h>
+#include <stdio.h>
+#include <time.h>
+
+#include "common.h"
+
+
+static CommonState *state;
+static SDL_Rect rect;
+
+static void
+DrawRects(SDL_Renderer * renderer)
+{
+    SDL_SetRenderDrawColor(renderer, 255, 127, 0, 255);
+    SDL_RenderFillRect(renderer,&rect);
+}
+
+int
+main(int argc, char *argv[])
+{
+    int i, done;
+    SDL_Event event;
+
+ 
+    /* Initialize test framework */
+    state = CommonCreateState(argv, SDL_INIT_VIDEO);
+    if (!state) {
+        return 1;
+    }
+    if (!CommonInit(state)) {
+        return 2;
+    }
+
+    /* Create the windows and initialize the renderers */
+    for (i = 0; i < state->num_windows; ++i) {
+        SDL_Renderer *renderer = state->renderers[i];
+        SDL_SetRenderDrawBlendMode(renderer, SDL_BLENDMODE_NONE);
+        SDL_SetRenderDrawColor(renderer, 0xA0, 0xA0, 0xA0, 0xFF);
+        SDL_RenderClear(renderer);
+    }
+
+    srand((unsigned int)time(NULL));
+    SDL_SetRelativeMouseMode(SDL_TRUE);
+
+    rect.x = DEFAULT_WINDOW_WIDTH / 2;
+    rect.y = DEFAULT_WINDOW_HEIGHT / 2;
+    rect.w = 10;
+    rect.h = 10;
+    /* Main render loop */
+    done = 0;
+    while (!done) {
+        /* Check for events */
+        while (SDL_PollEvent(&event)) {
+            CommonEvent(state, &event, &done);
+            switch(event.type) {
+                case SDL_MOUSEMOTION:
+                {
+                    /*printf("mouse motion ABS x %d y %d REL x %d y %d\n",event.motion.x,event.motion.y,event.motion.xrel,event.motion.yrel);*/
+                    rect.x += event.motion.xrel;
+                    rect.y += event.motion.yrel;
+
+                }
+                break;
+            }
+        }
+        for (i = 0; i < state->num_windows; ++i) {
+            SDL_Renderer *renderer = state->renderers[i];
+            SDL_SetRenderDrawColor(renderer, 0xA0, 0xA0, 0xA0, 0xFF);
+            SDL_RenderClear(renderer);
+
+            DrawRects(renderer);
+
+            SDL_RenderPresent(renderer);
+        }
+    }
+
+    CommonQuit(state);
+    return 0;
+}
+
+/* vi: set ts=4 sw=4 expandtab: */