| /* gtk_jawt.c -- GTK implementation of classpath_jawt.h |
| 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 "gtkpeer.h" |
| #include <gtk/gtk.h> |
| #include <gdk/gdkx.h> |
| #include "classpath_jawt.h" |
| |
| jint |
| classpath_jawt_get_awt_version () |
| { |
| return CLASSPATH_JAWT_VERSION; |
| } |
| |
| Display* |
| classpath_jawt_get_default_display (JNIEnv* env, jobject canvas) |
| { |
| GdkDisplay *display; |
| Display *xdisplay; |
| GtkWidget *widget; |
| void *ptr; |
| jobject peer; |
| jclass class_id; |
| jmethodID method_id; |
| |
| /* retrieve peer object */ |
| class_id = (*env)->GetObjectClass (env, canvas); |
| |
| method_id = (*env)->GetMethodID (env, class_id, |
| "getPeer", |
| "()Ljava/awt/peer/ComponentPeer;"); |
| |
| peer = (*env)->CallObjectMethod (env, canvas, method_id); |
| |
| ptr = NSA_GET_PTR (env, peer); |
| |
| gdk_threads_enter (); |
| |
| widget = GTK_WIDGET (ptr); |
| |
| /* widget should be realized before Canvas.paint is called. */ |
| g_assert (GTK_WIDGET_REALIZED (widget)); |
| |
| display = gtk_widget_get_display (widget); |
| |
| xdisplay = GDK_DISPLAY_XDISPLAY (display); |
| |
| gdk_threads_leave (); |
| |
| return xdisplay; |
| } |
| |
| VisualID |
| classpath_jawt_get_visualID (JNIEnv* env, jobject canvas) |
| { |
| GtkWidget *widget; |
| Visual *visual; |
| void *ptr; |
| jobject peer; |
| jclass class_id; |
| jmethodID method_id; |
| |
| class_id = (*env)->GetObjectClass (env, canvas); |
| |
| method_id = (*env)->GetMethodID (env, class_id, |
| "getPeer", |
| "()Ljava/awt/peer/ComponentPeer;"); |
| |
| peer = (*env)->CallObjectMethod (env, canvas, method_id); |
| |
| ptr = NSA_GET_PTR (env, peer); |
| |
| gdk_threads_enter (); |
| |
| widget = GTK_WIDGET (ptr); |
| |
| g_assert (GTK_WIDGET_REALIZED (widget)); |
| |
| visual = gdk_x11_visual_get_xvisual (gtk_widget_get_visual (widget)); |
| g_assert (visual != NULL); |
| |
| gdk_threads_leave (); |
| |
| return visual->visualid; |
| } |
| |
| Drawable |
| classpath_jawt_get_drawable (JNIEnv* env, jobject canvas) |
| { |
| GtkWidget *widget; |
| int drawable; |
| void *ptr; |
| jobject peer; |
| jclass class_id; |
| jmethodID method_id; |
| |
| class_id = (*env)->GetObjectClass (env, canvas); |
| |
| method_id = (*env)->GetMethodID (env, class_id, |
| "getPeer", |
| "()Ljava/awt/peer/ComponentPeer;"); |
| |
| peer = (*env)->CallObjectMethod (env, canvas, method_id); |
| |
| ptr = NSA_GET_PTR (env, peer); |
| |
| gdk_threads_enter (); |
| |
| widget = GTK_WIDGET (ptr); |
| |
| g_assert (GTK_WIDGET_REALIZED (widget)); |
| |
| drawable = GDK_DRAWABLE_XID (widget->window); |
| |
| gdk_threads_leave (); |
| |
| return drawable; |
| } |
| |
| jint |
| classpath_jawt_object_lock (jobject lock) |
| { |
| JNIEnv *env = gdk_env(); |
| (*env)->MonitorEnter (env, lock); |
| return 0; |
| } |
| |
| void |
| classpath_jawt_object_unlock (jobject lock) |
| { |
| JNIEnv *env = gdk_env(); |
| (*env)->MonitorExit (env, lock); |
| } |
| |
| jint |
| classpath_jawt_lock () |
| { |
| gdk_threads_enter (); |
| return 0; |
| } |
| |
| void |
| classpath_jawt_unlock () |
| { |
| gdk_threads_leave (); |
| } |
| |
| jobject |
| classpath_jawt_create_lock () |
| { |
| JNIEnv *env = gdk_env (); |
| jobject lock = (*env)->NewStringUTF (env, "jawt-lock"); |
| NSA_SET_GLOBAL_REF (env, lock); |
| return lock; |
| } |
| |
| void |
| classpath_jawt_destroy_lock (jobject lock) |
| { |
| JNIEnv *env = gdk_env (); |
| NSA_DEL_GLOBAL_REF (env, lock); |
| } |