--- a/test/testjoystick.c Sun Aug 12 23:10:16 2012 -0700
+++ b/test/testjoystick.c Wed Aug 15 20:53:24 2012 -0400
@@ -12,15 +12,6 @@
/* Simple program to test the SDL joystick routines */
-#if 1 /* FIXME: Rework this using the 2.0 API */
-#include <stdio.h>
-
-int main(int argc, char *argv[])
-{
- printf("FIXME\n");
- return 0;
-}
-#else
#include <stdio.h>
#include <stdlib.h>
#include <string.h>
@@ -35,23 +26,43 @@
#define SCREEN_HEIGHT 480
#endif
+#define MAX_NUM_AXES 6
+#define MAX_NUM_HATS 2
+
void
WatchJoystick(SDL_Joystick * joystick)
{
- SDL_Surface *screen;
+ SDL_Window *window;
+ SDL_Renderer *screen;
const char *name;
int i, done;
SDL_Event event;
- int x, y, draw;
- SDL_Rect axis_area[6][2];
+ int x, y;
+ SDL_Rect axis_area[MAX_NUM_AXES][2];
+ int axis_draw[MAX_NUM_AXES];
+ SDL_Rect hat_area[MAX_NUM_HATS][2];
+ int hat_draw[MAX_NUM_HATS];
+ Uint8 hat_pos;
- /* Set a video mode to display joystick axis position */
- screen = SDL_SetVideoMode(SCREEN_WIDTH, SCREEN_HEIGHT, 16, 0);
- if (screen == NULL) {
- fprintf(stderr, "Couldn't set video mode: %s\n", SDL_GetError());
+ /* Create a window to display joystick axis position */
+ window = SDL_CreateWindow("Joystick Test", SDL_WINDOWPOS_CENTERED,
+ SDL_WINDOWPOS_CENTERED, SCREEN_WIDTH,
+ SCREEN_HEIGHT, SDL_WINDOW_SHOWN);
+ if (window == NULL) {
+ fprintf(stderr, "Couldn't create window: %s\n", SDL_GetError());
return;
}
+ screen = SDL_CreateRenderer(window, -1, 0);
+ if (screen == NULL) {
+ fprintf(stderr, "Couldn't create renderer: %s\n", SDL_GetError());
+ SDL_DestroyWindow(window);
+ return;
+ }
+
+ SDL_SetRenderDrawColor(screen, 0x00, 0x00, 0x00, SDL_ALPHA_OPAQUE);
+ SDL_RenderClear(screen);
+
/* Print info about the joystick we are watching */
name = SDL_JoystickName(SDL_JoystickIndex(joystick));
printf("Watching joystick %d: (%s)\n", SDL_JoystickIndex(joystick),
@@ -62,7 +73,9 @@
/* Initialize drawing rectangles */
memset(axis_area, 0, (sizeof axis_area));
- draw = 0;
+ memset(axis_draw, 0, (sizeof axis_draw));
+ memset(hat_area, 0, (sizeof hat_area));
+ memset(hat_draw, 0, (sizeof hat_draw));
/* Loop, getting joystick events! */
done = 0;
@@ -123,21 +136,24 @@
area.w = 32;
area.h = 32;
if (SDL_JoystickGetButton(joystick, i) == SDL_PRESSED) {
- SDL_FillRect(screen, &area, 0xFFFF);
+ SDL_SetRenderDrawColor(screen, 0xFF, 0xFF, 0xFF, SDL_ALPHA_OPAQUE);
} else {
- SDL_FillRect(screen, &area, 0x0000);
+ SDL_SetRenderDrawColor(screen, 0x00, 0x00, 0x00, SDL_ALPHA_OPAQUE);
}
- SDL_UpdateRects(screen, 1, &area);
+ SDL_RenderFillRect(screen, &area);
+ SDL_RenderPresent(screen);
}
for (i = 0;
i < SDL_JoystickNumAxes(joystick) / 2
&& i < SDL_arraysize(axis_area); ++i) {
+
/* Erase previous axes */
- SDL_FillRect(screen, &axis_area[i][draw], 0x0000);
+ SDL_SetRenderDrawColor(screen, 0x00, 0x00, 0x00, SDL_ALPHA_OPAQUE);
+ SDL_RenderFillRect(screen, &axis_area[i][axis_draw[i]]);
/* Draw the X/Y axis */
- draw = !draw;
+ axis_draw[i] = !axis_draw[i];
x = (((int) SDL_JoystickGetAxis(joystick, i * 2 + 0)) + 32768);
x *= SCREEN_WIDTH;
x /= 65535;
@@ -155,15 +171,55 @@
y = SCREEN_HEIGHT - 16;
}
- axis_area[i][draw].x = (Sint16) x;
- axis_area[i][draw].y = (Sint16) y;
- axis_area[i][draw].w = 16;
- axis_area[i][draw].h = 16;
- SDL_FillRect(screen, &axis_area[i][draw], 0xFFFF);
+ axis_area[i][axis_draw[i]].x = (Sint16) x;
+ axis_area[i][axis_draw[i]].y = (Sint16) y;
+ axis_area[i][axis_draw[i]].w = 16;
+ axis_area[i][axis_draw[i]].h = 16;
+
+ SDL_SetRenderDrawColor(screen, 0xFF, 0xFF, 0xFF, SDL_ALPHA_OPAQUE);
+ SDL_RenderFillRect(screen, &axis_area[i][axis_draw[i]]);
+ SDL_RenderPresent(screen);
+ }
+
+ for (i = 0;
+ i < SDL_JoystickNumHats(joystick)
+ && i < SDL_arraysize(hat_area); ++i) {
+
+ /* Erase previous hat position */
+ SDL_SetRenderDrawColor(screen, 0x00, 0x00, 0x00, SDL_ALPHA_OPAQUE);
+ SDL_RenderFillRect(screen, &hat_area[i][hat_draw[i]]);
+
+ hat_draw[i] = !hat_draw[i];
- SDL_UpdateRects(screen, 2, axis_area[i]);
+ /* Derive the new position */
+ hat_pos = SDL_JoystickGetHat(joystick, i);
+
+ hat_area[i][hat_draw[i]].x = SCREEN_WIDTH/2;
+ hat_area[i][hat_draw[i]].y = SCREEN_HEIGHT/2;
+ hat_area[i][hat_draw[i]].w = 8;
+ hat_area[i][hat_draw[i]].h = 8;
+
+ if (hat_pos & SDL_HAT_UP) {
+ hat_area[i][hat_draw[i]].y = 0;
+ } else if (hat_pos & SDL_HAT_DOWN) {
+ hat_area[i][hat_draw[i]].y = SCREEN_HEIGHT-8;
+ }
+
+ if (hat_pos & SDL_HAT_LEFT) {
+ hat_area[i][hat_draw[i]].x = 0;
+ } else if (hat_pos & SDL_HAT_RIGHT) {
+ hat_area[i][hat_draw[i]].x = SCREEN_WIDTH-8;
+ }
+
+ /* Draw it */
+ SDL_SetRenderDrawColor(screen, 0xFF, 0xFF, 0xFF, SDL_ALPHA_OPAQUE);
+ SDL_RenderFillRect(screen, &hat_area[i][hat_draw[i]]);
+ SDL_RenderPresent(screen);
}
}
+
+ SDL_DestroyRenderer(screen);
+ SDL_DestroyWindow(window);
}
int
@@ -211,4 +267,3 @@
return (0);
}
-#endif