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author | Thomas Fitzsimmons <fitzsim@redhat.com> | 2005-02-14 21:08:08 +0000 |
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committer | Thomas Fitzsimmons <fitzsim@gcc.gnu.org> | 2005-02-14 21:08:08 +0000 |
commit | c36eda5462a917b6b23c07fa0ac1752cf830a29d (patch) | |
tree | 24123b91fac1a16e6031e39bd090dd4a32dcc631 /libjava/jawt.c | |
parent | 5728cb66879693b5487590579e0022b1e1e5175c (diff) | |
download | gcc-c36eda5462a917b6b23c07fa0ac1752cf830a29d.zip gcc-c36eda5462a917b6b23c07fa0ac1752cf830a29d.tar.gz gcc-c36eda5462a917b6b23c07fa0ac1752cf830a29d.tar.bz2 |
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
Diffstat (limited to 'libjava/jawt.c')
-rw-r--r-- | libjava/jawt.c | 156 |
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); +} |