path: root/meta/packages/qemu/files/qemu-x-no-sdl.patch

diff -urN qemu-0.8.2/configure qemu-0.8.2-x/configure
--- qemu-0.8.2/configure	2006-07-22 18:23:34.000000000 +0100
+++ qemu-0.8.2-x/configure	2006-08-24 14:24:33.000000000 +0100
@@ -492,6 +492,21 @@
 fi # cross compilation
 fi # -z $sdl
 
+##########################################
+# X Probe
+
+x11=no
+if test -z "$sdl" || test "$sdl" = "no"; then
+  x11=yes
+fi
+
+if test "$x11" = "yes"; then
+  x11=no
+  if `pkg-config --exists x11 xext`; then
+    x11=yes
+  fi
+fi
+
 # Check if tools are available to build documentation.
 if [ -x "`which texi2html`" ] && [ -x "`which pod2man`" ]; then
   build_docs="yes"
@@ -540,6 +555,7 @@
 if test "$sdl" != "no" ; then
     echo "SDL static link   $sdl_static"
 fi
+echo "X11 support       $x11"
 echo "mingw32 support   $mingw32"
 echo "Adlib support     $adlib"
 echo "CoreAudio support $coreaudio"
@@ -748,14 +764,14 @@
 fi
 
 if test "$target_user_only" = "no" -a "$check_gfx" = "yes" \
-        -a "$sdl" = "no" -a "$cocoa" = "no" ; then
+        -a "$sdl" = "no" -a "$x11" = "no" -a "$cocoa" = "no" ; then
     echo "ERROR: QEMU requires SDL or Cocoa for graphical output"
     echo "To build QEMU without graphical output configure with --disable-gfx-check"
     echo "Note that this will disable all output from the virtual graphics card."
     exit 1;
 fi
 
-#echo "Creating $config_mak, $config_h and $target_dir/Makefile"
+echo "Creating $config_mak, $config_h and $target_dir/Makefile"
 
 mkdir -p $target_dir
 mkdir -p $target_dir/fpu
@@ -882,6 +898,14 @@
     fi
 fi
 
+# x11
+if test "$x11" = "yes"; then
+  echo "#define CONFIG_X11 1" >> $config_h
+  echo "CONFIG_X11=yes" >> $config_mak
+  echo "X11_LIBS=`pkg-config --libs x11 xext`" >> $config_mak
+  echo "X11_CFLAGS=`pkg-config --cflags x11 xext`" >> $config_mak
+fi
+
 if test "$cocoa" = "yes" ; then
     echo "#define CONFIG_COCOA 1" >> $config_h
     echo "CONFIG_COCOA=yes" >> $config_mak
diff -urN qemu-0.8.2/Makefile.target qemu-0.8.2-x/Makefile.target
--- qemu-0.8.2/Makefile.target	2006-07-22 18:23:34.000000000 +0100
+++ qemu-0.8.2-x/Makefile.target	2006-08-23 14:47:17.000000000 +0100
@@ -376,6 +376,9 @@
 ifdef CONFIG_SDL
 VL_OBJS+=sdl.o
 endif
+ifdef CONFIG_X11
+VL_OBJS+=x.o
+endif
 VL_OBJS+=vnc.o
 ifdef CONFIG_COCOA
 VL_OBJS+=cocoa.o
@@ -426,7 +429,7 @@
 endif
 
 $(QEMU_SYSTEM): $(VL_OBJS) libqemu.a
-	$(CC) $(VL_LDFLAGS) -o $@ $^ $(LIBS) $(SDL_LIBS) $(COCOA_LIBS) $(VL_LIBS)
+	$(CC) $(VL_LDFLAGS) -o $@ $^ $(LIBS) $(SDL_LIBS) $(X11_LIBS) $(COCOA_LIBS) $(VL_LIBS)
 
 cocoa.o: cocoa.m
 	$(CC) $(CFLAGS) $(DEFINES) -c -o $@ $<
@@ -434,6 +437,10 @@
 sdl.o: sdl.c keymaps.c sdl_keysym.h
 	$(CC) $(CFLAGS) $(DEFINES) $(SDL_CFLAGS) -c -o $@ $<
 
+x.o: x.c keymaps.c
+	$(CC) $(CFLAGS) $(DEFINES) $(X11_CFLAGS) -c -o $@ $<
+
+
 vnc.o: vnc.c keymaps.c sdl_keysym.h vnchextile.h
 	$(CC) $(CFLAGS) $(DEFINES) -c -o $@ $<
 
diff -urN qemu-0.8.2/vl.c qemu-0.8.2-x/vl.c
--- qemu-0.8.2/vl.c	2006-07-22 18:23:34.000000000 +0100
+++ qemu-0.8.2-x/vl.c	2006-09-29 18:58:26.000000000 +0100
@@ -5217,6 +5217,9 @@
 #ifdef USE_CODE_COPY
            "-no-code-copy   disable code copy acceleration\n"
 #endif
+#if defined(CONFIG_X11)
+	   "-parent xid    Use pre-existing window as qemu output window\n"
+#endif
 #ifdef TARGET_I386
            "-std-vga        simulate a standard VGA card with VESA Bochs Extensions\n"
            "                (default is CL-GD5446 PCI VGA)\n"
@@ -5302,6 +5305,8 @@
     QEMU_OPTION_smp,
     QEMU_OPTION_vnc,
     QEMU_OPTION_no_acpi,
+
+    QEMU_OPTION_parent_xid,
 };
 
 typedef struct QEMUOption {
@@ -5361,6 +5366,9 @@
 #if defined(TARGET_PPC) || defined(TARGET_SPARC)
     { "g", 1, QEMU_OPTION_g },
 #endif
+#if defined(CONFIG_X11)
+    { "parent", HAS_ARG, QEMU_OPTION_parent_xid },
+#endif
     { "localtime", 0, QEMU_OPTION_localtime },
     { "std-vga", 0, QEMU_OPTION_std_vga },
     { "monitor", 1, QEMU_OPTION_monitor },
@@ -5608,6 +5616,10 @@
     char usb_devices[MAX_USB_CMDLINE][128];
     int usb_devices_index;
 
+#if defined(CONFIG_X11)
+    unsigned long parent_xid = 0;
+#endif
+
     LIST_INIT (&vm_change_state_head);
 #ifndef _WIN32
     {
@@ -6021,6 +6033,11 @@
             case QEMU_OPTION_no_acpi:
                 acpi_enabled = 0;
                 break;
+#if defined(CONFIG_X11)
+	    case QEMU_OPTION_parent_xid:
+	      parent_xid = strtol(optarg, NULL, 0);
+	      break;
+#endif
             }
         }
     }
@@ -6142,6 +6159,8 @@
         sdl_display_init(ds, full_screen);
 #elif defined(CONFIG_COCOA)
         cocoa_display_init(ds, full_screen);
+#elif defined(CONFIG_X11)
+        x_display_init(ds, full_screen, parent_xid);
 #else
         dumb_display_init(ds);
 #endif
diff -urN qemu-0.8.2/vl.h qemu-0.8.2-x/vl.h
--- qemu-0.8.2/vl.h	2006-07-22 18:23:34.000000000 +0100
+++ qemu-0.8.2-x/vl.h	2006-09-29 18:35:32.000000000 +0100
@@ -767,6 +767,9 @@
 /* vnc.c */
 void vnc_display_init(DisplayState *ds, int display);
 
+/* x.c */
+void x_display_init(DisplayState *ds, int display, unsigned long parent_xid);
+
 /* ide.c */
 #define MAX_DISKS 4
 
diff -urN qemu-0.8.2/x.c qemu-0.8.2-x/x.c
--- qemu-0.8.2/x.c	1970-01-01 01:00:00.000000000 +0100
+++ qemu-0.8.2-x/x.c	2006-09-29 18:35:02.000000000 +0100
@@ -0,0 +1,451 @@
+#include "vl.h"
+
+#include <X11/Xlib.h>
+#include <X11/Xutil.h>
+#include <X11/Xatom.h>
+#include <X11/keysym.h>
+#include <X11/extensions/XShm.h>
+
+#include <sys/ipc.h>
+#include <sys/shm.h>
+
+typedef struct XHostScreen
+{
+  Display        *xdpy;
+  int             xscreen;
+  Visual         *xvisual;
+  Window          xwin, xwinroot;
+  GC              xgc;
+  int             xdepth;
+  XImage         *ximg;
+  int             xwin_width, xwin_height;
+  Bool            use_fullscreen;
+  Bool            have_shm;
+  unsigned char  *fb_data;   
+  unsigned long   cmap[256];
+  XShmSegmentInfo shminfo;
+}
+XHostScreen;
+
+static XHostScreen *xscreen;
+static int          trapped_error_code = 0;
+static int          (*old_error_handler) (Display *d, XErrorEvent *e);
+
+static void 
+x_update(DisplayState *ds, int x, int y, int w, int h);
+
+static int
+error_handler(Display     *display,
+              XErrorEvent *error)
+{
+  trapped_error_code = error->error_code;
+  return 0;
+}
+
+static void
+x_errors_trap(void)
+{
+  trapped_error_code = 0;
+  old_error_handler = XSetErrorHandler(error_handler);
+}
+
+static int
+x_errors_untrap(void)
+{
+  XSetErrorHandler(old_error_handler);
+  return trapped_error_code;
+}
+
+static void 
+x_update(DisplayState *ds, int x, int y, int w, int h)
+{
+  if (xscreen->have_shm)
+    {
+      XShmPutImage(xscreen->xdpy, xscreen->xwin, xscreen->xgc, xscreen->ximg, 
+		   x, y, x, y, w, h, False);
+    }
+  else
+    {
+      XPutImage(xscreen->xdpy, xscreen->xwin, xscreen->xgc, xscreen->ximg, 
+		x, y, x, y, w, h);
+    }
+
+  XSync(xscreen->xdpy, False);
+}
+
+static void 
+x_resize(DisplayState *ds, int w, int h)
+{
+  Bool        shm_success = False;
+  int         bitmap_pad;
+  XSizeHints *size_hints;
+
+  if (xscreen->ximg != NULL)
+    {
+      if (xscreen->have_shm)
+	{
+	  XShmDetach(xscreen->xdpy, &xscreen->shminfo);
+	  XDestroyImage (xscreen->ximg);
+	  shmdt(xscreen->shminfo.shmaddr);
+	  shmctl(xscreen->shminfo.shmid, IPC_RMID, 0);
+	}
+      else
+	{
+	  if (xscreen->ximg->data) 
+	    {
+	      free(xscreen->ximg->data);
+	      xscreen->ximg->data = NULL;
+	    } 
+
+	  XDestroyImage(xscreen->ximg);
+	}
+    }
+
+  if (xscreen->have_shm)
+    {
+      xscreen->ximg = XShmCreateImage(xscreen->xdpy, 
+				      xscreen->xvisual, 
+				      xscreen->xdepth, 
+				      ZPixmap, 
+				      NULL, 
+				      &xscreen->shminfo,
+				      w, h );
+      
+      xscreen->shminfo.shmid 
+	= shmget(IPC_PRIVATE,
+		 xscreen->ximg->bytes_per_line * h,
+		 IPC_CREAT|0777);
+      xscreen->shminfo.shmaddr = xscreen->ximg->data 
+	= shmat(xscreen->shminfo.shmid, 0, 0);
+
+      if (xscreen->ximg->data == (char *)-1)
+	{
+	  xscreen->have_shm = False;
+	  XDestroyImage(xscreen->ximg);
+	  shmctl(xscreen->shminfo.shmid, IPC_RMID, 0);
+	}
+      else
+	{
+	  xscreen->shminfo.readOnly = False;
+	  XShmAttach(xscreen->xdpy, &xscreen->shminfo);
+	  shm_success = True;
+	}
+    }
+
+  if (!shm_success)
+    {
+      bitmap_pad = ( xscreen->xdepth > 16 ) ? 
+	                    32 : (( xscreen->xdepth > 8 )? 16 : 8 );
+	  
+      xscreen->ximg = XCreateImage( xscreen->xdpy, 
+				    xscreen->xvisual, 
+				    xscreen->xdepth, 
+				    ZPixmap, 0, 0,
+				    w, 
+				    h, 
+				    bitmap_pad, 
+				    0);
+
+      xscreen->ximg->data 
+	 = malloc( xscreen->ximg->bytes_per_line * h );
+    }
+
+  XResizeWindow(xscreen->xdpy, xscreen->xwin, w, h);
+
+  /* Ask the WM to keep our size static */
+  size_hints = XAllocSizeHints();
+  size_hints->max_width = size_hints->min_width = w;
+  size_hints->max_height = size_hints->min_height = h;
+  size_hints->flags = PMinSize|PMaxSize;
+  XSetWMNormalHints(xscreen->xdpy, xscreen->xwin, size_hints);
+  XFree(size_hints);
+
+  XMapWindow(xscreen->xdpy, xscreen->xwin);
+
+  XSync(xscreen->xdpy, False);
+
+  xscreen->xwin_width  = w;
+  xscreen->xwin_height = h;
+
+  if (1) // (ds->depth == xscreen->xdepth)
+    {
+      ds->data = xscreen->ximg->data;
+    }
+  else
+    {
+      xscreen->fb_data = malloc(w*h*(ds->depth>>3));
+      ds->data = xscreen->fb_data;
+    }
+  
+  ds->linesize = xscreen->ximg->bytes_per_line;
+  ds->depth    = (xscreen->xdepth >= 24) ? 32 : xscreen->xdepth;
+  ds->bgr      = 0;
+
+#if 0
+    if (ds->depth == 32 && screen->format->Rshift == 0) {
+        ds->bgr = 1;
+    } else {
+        ds->bgr = 0;
+    }
+#endif
+
+    ds->width = w;
+    ds->height = h;
+
+}
+
+static void 
+x_refresh(DisplayState *ds)
+{
+  vga_hw_update();
+}
+
+static int 
+x_listen_poll(void *opaque)
+{
+  return XPending(xscreen->xdpy);
+}
+
+static void
+x_grab(void)
+{
+  static Bool grab = False;
+
+  if (!grab)
+    {
+      if (XGrabPointer (xscreen->xdpy, xscreen->xwin,
+			True, 
+			NoEventMask, 
+			GrabModeAsync, 
+			GrabModeAsync, 
+			xscreen->xwin, None, CurrentTime) == 0
+	  && XGrabKeyboard (xscreen->xdpy, xscreen->xwin, True, 
+			    GrabModeAsync, 
+			    GrabModeAsync, 
+			    CurrentTime) == 0)
+	{
+	  grab = True;
+	  XStoreName(xscreen->xdpy, xscreen->xwin, 
+		     "QEmu (ctrl+shift releases mouse and keyboard )");
+	}
+    }
+  else
+    {
+      XUngrabPointer (xscreen->xdpy, CurrentTime);
+      XUngrabKeyboard (xscreen->xdpy, CurrentTime);
+      grab = False;
+      XStoreName(xscreen->xdpy, xscreen->xwin, 
+		 "QEmu (ctrl+shift grabs mouse and keyboard )");
+    }
+}
+
+static void 
+x_listen_read(void *opaque)
+{
+  XEvent        xev;
+  DisplayState *ds = opaque;
+  Bool          grabbed = False;
+  static  int   last_x = 0, last_y = 0, button_state = 0, state;
+
+  if (XPending(xscreen->xdpy))
+    {
+      XNextEvent(xscreen->xdpy, &xev);
+
+      switch (xev.type) 
+	{
+	case EnterNotify:
+	case LeaveNotify:
+	  break;
+	case FocusIn:
+	  if (!kbd_mouse_is_absolute()) 
+	    x_grab();
+	  break;
+	case FocusOut:
+	  break;
+	case Expose:
+	  while (XCheckTypedWindowEvent(xscreen->xdpy, xev.xexpose.window, 
+					Expose, &xev));
+	  x_update(ds, 0, 0, 
+		   xscreen->xwin_width,
+		   xscreen->xwin_height);
+	  break;
+	case KeyRelease:
+	  if ((XKeycodeToKeysym(xscreen->xdpy,
+				xev.xkey.keycode,0) == XK_Shift_L
+	       || XKeycodeToKeysym(xscreen->xdpy,
+				   xev.xkey.keycode,0) == XK_Shift_R)
+	      && (xev.xkey.state & ControlMask))
+	    {
+	      x_grab();
+	      break;
+	    }
+	case KeyPress:
+	  {
+	    int keycode = xev.xkey.keycode-8; /* X adds 8 to keycode  */
+
+	    /* FIXME: LUT needed here me thinks */
+
+	    if (keycode & 0x80)  	      /* Extended */
+	      kbd_put_keycode(0xe0);
+	    
+	    if (xev.type == KeyPress)
+	      kbd_put_keycode(keycode & 0x7f);
+	    else
+	      kbd_put_keycode(keycode | 0x80);
+	  }
+	  break;
+	case ButtonPress:
+	case ButtonRelease:
+	case MotionNotify:
+	  {
+	    int ev_state, ev_x, ev_y, dx, dy;
+
+	    state = 0;
+
+	    if (xev.type == MotionNotify)
+	      {
+		ev_state = xev.xmotion.state;
+		ev_x     = xev.xmotion.x;
+		ev_y     = xev.xmotion.y;
+
+		if (ev_state & Button1Mask)
+		  state |= MOUSE_EVENT_LBUTTON;
+		if (ev_state & Button2Mask)
+		  state |= MOUSE_EVENT_RBUTTON;
+		if (ev_state & Button3Mask)
+		  state |= MOUSE_EVENT_MBUTTON;
+
+		/* Touchscreen dont send motion notifys */
+		if (kbd_mouse_is_absolute() && state == 0) 
+		  break;
+	      }
+	    else
+	      {
+		ev_state = xev.xbutton.state;
+		ev_x     = xev.xbutton.x;
+		ev_y     = xev.xbutton.y;
+
+		if (xev.type == ButtonPress) 
+		  {
+		    if (xev.xbutton.button == Button1)
+		      state |= MOUSE_EVENT_LBUTTON;
+		    if (xev.xbutton.state == Button1)
+		      state |= MOUSE_EVENT_RBUTTON;
+		    if (xev.xbutton.state & Button3)
+		      state |= MOUSE_EVENT_MBUTTON;
+		  }
+	      }
+
+	    if (kbd_mouse_is_absolute()) 
+	      {
+		dx = ev_x * 0x7FFF / xscreen->xwin_width;
+		dy = ev_y * 0x7FFF / xscreen->xwin_height;
+	      }
+	    else
+	      {
+		dx = ev_x - last_x;
+		dy = ev_y - last_y;
+	      }
+
+	    kbd_mouse_event(dx, dy, 0, state);
+	    
+	    last_x = ev_x;
+	    last_y = ev_y;
+	  }
+	  break;
+	default:
+	  break;
+
+	}
+    }
+  return;
+}
+
+void 
+x_display_init(DisplayState *ds, int full_screen, unsigned long parent_xid)
+{
+  Cursor                empty_cursor;
+  Pixmap                cursor_pxm;
+  XColor                col;
+  XSetWindowAttributes  attr;
+
+  xscreen = malloc(sizeof(XHostScreen));
+  memset(xscreen, 0, sizeof(XHostScreen));
+  
+  if ((xscreen->xdpy = XOpenDisplay(getenv("DISPLAY"))) == NULL)
+    {
+      fprintf(stderr, "\nqemu cannot open host display. Is DISPLAY set?\n");
+      exit(-1);
+    }
+  
+  xscreen->xscreen  = DefaultScreen(xscreen->xdpy);
+  xscreen->xwinroot = RootWindow(xscreen->xdpy, xscreen->xscreen);
+  xscreen->xgc      = XCreateGC(xscreen->xdpy, xscreen->xwinroot, 0, NULL);
+  xscreen->xdepth   = DefaultDepth(xscreen->xdpy, xscreen->xscreen);
+  xscreen->xvisual  = DefaultVisual(xscreen->xdpy, xscreen->xscreen); 
+  
+  attr.event_mask = ButtonPressMask|ButtonReleaseMask|PointerMotionMask
+                      |KeyPressMask|KeyReleaseMask|ExposureMask
+                      |FocusChangeMask|EnterWindowMask|LeaveWindowMask;
+  
+  xscreen->xwin = XCreateWindow(xscreen->xdpy,
+				xscreen->xwinroot,
+				0,0,640,480,
+				0,
+				CopyFromParent,
+				CopyFromParent,
+				CopyFromParent,
+				CWEventMask,
+				&attr);
+
+  xscreen->have_shm = True;
+
+  if (!XShmQueryExtension(xscreen->xdpy) || getenv("QEMU_X_NO_SHM")) 
+    {
+      xscreen->have_shm = False;
+    } 
+  else 		            
+    {	
+      XShmSegmentInfo shminfo; 
+
+      shminfo.shmid=shmget(IPC_PRIVATE, 1, IPC_CREAT|0777);
+      shminfo.shmaddr=shmat(shminfo.shmid,0,0);
+      shminfo.readOnly=True;
+
+      x_errors_trap();
+      
+      XShmAttach(xscreen->xdpy, &shminfo);
+      XSync(xscreen->xdpy, False);
+
+      if (x_errors_untrap())
+	{
+	  fprintf(stderr, "QEmu unable to use SHM XImages\n");
+	  xscreen->have_shm = False;
+	}
+
+      shmdt(shminfo.shmaddr);
+      shmctl(shminfo.shmid, IPC_RMID, 0);
+    }
+
+  if (!kbd_mouse_is_absolute()) 
+    {
+      /* Only hide cursor if were not a touchscreen */
+      cursor_pxm = XCreatePixmap (xscreen->xdpy, xscreen->xwinroot, 1, 1, 1);
+      memset (&col, 0, sizeof (col));
+      empty_cursor = XCreatePixmapCursor (xscreen->xdpy, 
+					  cursor_pxm, cursor_pxm, 
+					  &col, &col, 1, 1);
+      XDefineCursor (xscreen->xdpy, xscreen->xwin, empty_cursor);
+      XFreePixmap (xscreen->xdpy, cursor_pxm);
+    }
+
+  ds->dpy_update =  x_update;
+  ds->dpy_resize =  x_resize;
+  ds->dpy_refresh = x_refresh;
+
+  if ((qemu_set_fd_handler2 (ConnectionNumber(xscreen->xdpy), 
+			     x_listen_poll, x_listen_read, NULL, ds)) == -1)
+    exit(-1);
+
+  x_resize(ds, 640, 480);
+}