some quick input code for PC build

[pcsx_rearmed.git] / frontend / xkb.c

diff --git a/frontend/xkb.c b/frontend/xkb.c
new file mode 100644 (file)
index 0000000..874531c
--- /dev/null
+++ b/frontend/xkb.c
@@ -0,0 +1,124 @@
+/*
+ * Copyright (c) 2009, Wei Mingzhi <whistler@openoffice.org>.
+ * All Rights Reserved.
+ *
+ * This program is free software; you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License as published by
+ * the Free Software Foundation; either version 2 of the License, or
+ * (at your option) any later version.
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+ * GNU General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with this program; if not, see <http://www.gnu.org/licenses>.
+ */
+
+#include <stdio.h>
+#include <stdlib.h>
+#include <stdint.h>
+#include <X11/Xlib.h>
+#include <X11/Xutil.h>
+#include <X11/keysym.h>
+#include <X11/XKBlib.h>
+
+#include "main.h"
+#include "plugin_lib.h"
+
+static const struct {
+       uint16_t xkey, psxkey;
+} keymap[] = {
+       { XK_Left,      DKEY_LEFT },
+       { XK_Right,     DKEY_RIGHT },
+       { XK_Up,        DKEY_UP },
+       { XK_Down,      DKEY_DOWN },
+       { XK_z,         DKEY_CROSS },
+       { XK_s,         DKEY_SQUARE },
+       { XK_x,         DKEY_CIRCLE },
+       { XK_d,         DKEY_TRIANGLE },
+       { XK_w,         DKEY_L1 },
+       { XK_r,         DKEY_R1 },
+       { XK_e,         DKEY_L2 },
+       { XK_t,         DKEY_R2 },
+       { XK_c,         DKEY_SELECT },
+       { XK_v,         DKEY_START },
+};
+
+static Atom wmprotocols, wmdelwindow;
+static int initialized;
+
+static void InitKeyboard(void) {
+       Display *disp = (Display *)gpuDisp;
+       if (disp == NULL) {
+               fprintf(stderr, "xkb: null display\n");
+               exit(1);
+       }
+
+       wmprotocols = XInternAtom(disp, "WM_PROTOCOLS", 0);
+       wmdelwindow = XInternAtom(disp, "WM_DELETE_WINDOW", 0);
+
+       XkbSetDetectableAutoRepeat(disp, 1, NULL);
+}
+
+static void DestroyKeyboard(void) {
+       Display *disp = (Display *)gpuDisp;
+       if (disp)
+               XkbSetDetectableAutoRepeat(disp, 0, NULL);
+}
+
+void x11_update_keys(void) {
+       uint8_t                                 i;
+       XEvent                                  evt;
+       XClientMessageEvent             *xce;
+       uint16_t                                Key;
+       int psxkey, leave = 0;
+       Display *disp = (Display *)gpuDisp;
+
+       if (initialized < 2000) {
+               initialized++;
+               InitKeyboard();
+       }
+
+       if (!disp)
+               return;
+
+       while (XPending(disp)) {
+               XNextEvent(disp, &evt);
+               switch (evt.type) {
+                       case KeyPress:
+                       case KeyRelease:
+                               Key = XLookupKeysym((XKeyEvent *)&evt, 0);
+                               //printf("%s %x\n", evt.type == KeyPress ? "press" : "rel  ", Key);
+                               psxkey = -1;
+                               for (i = 0; i < ARRAY_SIZE(keymap); i++) {
+                                       if (keymap[i].xkey == Key) {
+                                               psxkey = keymap[i].psxkey;
+                                               break;
+                                       }
+                               }
+
+                               if (psxkey >= 0) {
+                                       if (evt.type == KeyPress)
+                                               keystate |= 1 << psxkey;
+                                       else
+                                               keystate &= ~(1 << psxkey);
+                               }
+                               if (evt.type == KeyPress && Key == XK_Escape)
+                                       leave = 1;
+                               break;
+
+                       case ClientMessage:
+                               xce = (XClientMessageEvent *)&evt;
+                               if (xce->message_type == wmprotocols && (Atom)xce->data.l[0] == wmdelwindow)
+                                       leave = 1;
+                               break;
+               }
+       }
+
+       if (leave) {
+               DestroyKeyboard();
+               exit(1);
+       }
+}