jawt.c: New file.

2005-02-14  Thomas Fitzsimmons  <fitzsim@redhat.com>

	* jawt.c: New file.
	* include/jawt.h: Likewise.
	* include/jawt_md.h: Likewise.
	* include/Makefile.am (tool_include__HEADERS): Add jawt.h and
	jawt_md.h files.
	* include/Makefile.in: Regenerate.
	* jni/classpath/classpath_jawt.h: Likewise.
	* jni/gtk-peer/gtk_jawt.c: Likewise.
	* Makefile.am: Build libjawt.so.
	* Makefile.in: Regenerate.

From-SVN: r95047

1 files changed, 156 insertions, 0 deletions

diff --git a/libjava/jawt.c b/libjava/jawt.c
new file mode 100644
index 0000000..08cd78c
--- /dev/null
+++ b/libjava/jawt.c
@@ -0,0 +1,156 @@
+/* jawt.c -- X11 implementation of the AWT Native Interface
+   Copyright (C) 2005 Free Software Foundation, Inc.
+
+   This file is part of GNU Classpath.
+
+   GNU Classpath 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, or (at your option)
+   any later version.
+ 
+   GNU Classpath 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 GNU Classpath; see the file COPYING.  If not, write to the
+   Free Software Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA
+   02111-1307 USA.
+
+   Linking this library statically or dynamically with other modules is
+   making a combined work based on this library.  Thus, the terms and
+   conditions of the GNU General Public License cover the whole
+   combination.
+
+   As a special exception, the copyright holders of this library give you
+   permission to link this library with independent modules to produce an
+   executable, regardless of the license terms of these independent
+   modules, and to copy and distribute the resulting executable under
+   terms of your choice, provided that you also meet, for each linked
+   independent module, the terms and conditions of the license of that
+   module.  An independent module is a module which is not derived from
+   or based on this library.  If you modify this library, you may extend
+   this exception to your version of the library, but you are not
+   obligated to do so.  If you do not wish to do so, delete this
+   exception statement from your version. */
+
+
+#include <jni.h>
+#include <jawt.h>
+#include <jawt_md.h>
+#include "classpath_jawt.h"
+
+static jint (JNICALL _Jv_Lock) (JAWT_DrawingSurface* surface);
+static void (JNICALL _Jv_Unlock) (JAWT_DrawingSurface* surface);
+static JAWT_DrawingSurfaceInfo* (JNICALL _Jv_GetDrawingSurfaceInfo)
+     (JAWT_DrawingSurface* surface);
+static void (JNICALL _Jv_FreeDrawingSurfaceInfo)
+     (JAWT_DrawingSurfaceInfo* surface_info);
+static JAWT_DrawingSurface* (JNICALL _Jv_GetDrawingSurface) (JNIEnv* env,
+							     jobject canvas);
+static void (JNICALL _Jv_FreeDrawingSurface) (JAWT_DrawingSurface* surface);
+
+JNIEXPORT jboolean JNICALL
+JAWT_GetAWT (JNIEnv* env, JAWT* awt)
+{
+  jint retrieved_version;
+
+  retrieved_version = classpath_jawt_get_awt_version ();
+
+  if (awt->version > retrieved_version)
+    return JNI_FALSE;
+
+  awt->GetDrawingSurface = _Jv_GetDrawingSurface;
+  awt->FreeDrawingSurface = _Jv_FreeDrawingSurface;
+
+  return JNI_TRUE;
+}
+
+/* JAWT_DrawingSurface functions */
+
+static jint
+(JNICALL _Jv_Lock) (JAWT_DrawingSurface* surface)
+{
+  /* lock the drawing surface */
+  return classpath_jawt_lock ();
+}
+
+static void
+(JNICALL _Jv_Unlock) (JAWT_DrawingSurface* surface)
+{
+  classpath_jawt_unlock ();
+}
+
+static JAWT_DrawingSurfaceInfo*
+(JNICALL _Jv_GetDrawingSurfaceInfo) (JAWT_DrawingSurface* surface)
+{
+  if (surface == NULL)
+    return NULL;
+
+  return surface->surface_info;
+}
+
+static void
+(JNICALL _Jv_FreeDrawingSurfaceInfo) (JAWT_DrawingSurfaceInfo* surface_info)
+{
+  JAWT_X11DrawingSurfaceInfo* surface_info_x11;
+
+  if (surface_info == NULL)
+    return;
+
+  surface_info_x11 = (JAWT_X11DrawingSurfaceInfo*) surface_info->platformInfo;
+
+  surface_info_x11->display = NULL;
+  surface_info_x11->drawable = 0;
+
+  free (surface_info);
+  surface_info = NULL;
+}
+
+/* JAWT functions */
+
+static JAWT_DrawingSurface*
+(JNICALL _Jv_GetDrawingSurface) (JNIEnv* env, jobject canvas)
+{
+  JAWT_DrawingSurface* surface;
+  JAWT_X11DrawingSurfaceInfo* surface_info_x11;
+
+  surface = (JAWT_DrawingSurface*) malloc (sizeof (JAWT_DrawingSurface));
+
+  if (surface == NULL)
+    return NULL;
+
+  /* initialize function pointers */
+  surface->GetDrawingSurfaceInfo = _Jv_GetDrawingSurfaceInfo;
+  surface->FreeDrawingSurfaceInfo = _Jv_FreeDrawingSurfaceInfo;
+
+  surface->Lock = _Jv_Lock;
+  surface->Unlock = _Jv_Unlock;
+
+  surface->surface_info = (JAWT_DrawingSurfaceInfo*) malloc (sizeof (JAWT_DrawingSurfaceInfo));
+
+  if (surface->surface_info == NULL)
+    return NULL;
+
+  surface->surface_info->platformInfo = malloc (sizeof (JAWT_X11DrawingSurfaceInfo));
+
+  if (surface->surface_info->platformInfo == NULL)
+    return NULL;
+
+  surface_info_x11 = (JAWT_X11DrawingSurfaceInfo*) surface->surface_info->platformInfo;
+
+  surface_info_x11->display = classpath_jawt_get_default_display (env, canvas);
+  surface_info_x11->drawable = classpath_jawt_get_drawable (env, canvas);
+
+  /* FIXME: also include bounding rectangle of drawing surface */
+  /* FIXME: also include current clipping region */
+
+  return surface;
+}
+
+static void
+(JNICALL _Jv_FreeDrawingSurface) (JAWT_DrawingSurface* surface)
+{
+  free (surface);
+}