184 lines
5.9 KiB
C
184 lines
5.9 KiB
C
/* gtkclipboard.c
|
|
Copyright (C) 1998, 1999 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 "gnu_java_awt_peer_gtk_GtkClipboard.h"
|
|
|
|
jmethodID stringSelectionReceivedID;
|
|
jmethodID stringSelectionHandlerID;
|
|
jmethodID selectionClearID;
|
|
|
|
void selection_received (GtkWidget *, GtkSelectionData *, guint, gpointer);
|
|
void selection_get (GtkWidget *, GtkSelectionData *, guint, guint, gpointer);
|
|
gint selection_clear (GtkWidget *, GdkEventSelection *);
|
|
|
|
GtkWidget *clipboard;
|
|
jobject cb_obj;
|
|
|
|
JNIEXPORT void JNICALL
|
|
Java_gnu_java_awt_peer_gtk_GtkClipboard_initNativeState (JNIEnv *env,
|
|
jobject obj)
|
|
{
|
|
if (!stringSelectionReceivedID)
|
|
{
|
|
jclass gtkclipboard;
|
|
|
|
gtkclipboard = (*env)->FindClass (env,
|
|
"gnu/java/awt/peer/gtk/GtkClipboard");
|
|
stringSelectionReceivedID = (*env)->GetMethodID (env, gtkclipboard,
|
|
"stringSelectionReceived",
|
|
"(Ljava/lang/String;)V");
|
|
stringSelectionHandlerID = (*env)->GetMethodID (env, gtkclipboard,
|
|
"stringSelectionHandler",
|
|
"()Ljava/lang/String;");
|
|
selectionClearID = (*env)->GetMethodID (env, gtkclipboard,
|
|
"selectionClear", "()V");
|
|
}
|
|
|
|
cb_obj = (*env)->NewGlobalRef (env, obj);
|
|
|
|
gdk_threads_enter ();
|
|
clipboard = gtk_window_new (GTK_WINDOW_TOPLEVEL);
|
|
|
|
g_signal_connect (G_OBJECT(clipboard), "selection_received",
|
|
GTK_SIGNAL_FUNC (selection_received), NULL);
|
|
|
|
g_signal_connect (G_OBJECT(clipboard), "selection_clear_event",
|
|
GTK_SIGNAL_FUNC (selection_clear), NULL);
|
|
|
|
gtk_selection_add_target (clipboard, GDK_SELECTION_PRIMARY,
|
|
GDK_TARGET_STRING, 0);
|
|
|
|
g_signal_connect (G_OBJECT(clipboard), "selection_get",
|
|
GTK_SIGNAL_FUNC (selection_get), NULL);
|
|
|
|
gdk_threads_leave ();
|
|
}
|
|
|
|
JNIEXPORT void JNICALL
|
|
Java_gnu_java_awt_peer_gtk_GtkClipboard_requestStringConversion
|
|
(JNIEnv *env __attribute__((unused)), jclass clazz __attribute__((unused)))
|
|
{
|
|
gdk_threads_enter ();
|
|
gtk_selection_convert (clipboard, GDK_SELECTION_PRIMARY,
|
|
GDK_TARGET_STRING, GDK_CURRENT_TIME);
|
|
gdk_threads_leave ();
|
|
}
|
|
|
|
void
|
|
selection_received (GtkWidget *widget __attribute__((unused)),
|
|
GtkSelectionData *selection_data __attribute__((unused)),
|
|
guint time __attribute__((unused)),
|
|
gpointer data __attribute__((unused)))
|
|
{
|
|
/* Check to see if retrieval succeeded */
|
|
if (selection_data->length < 0
|
|
|| selection_data->type != GDK_SELECTION_TYPE_STRING)
|
|
{
|
|
(*gdk_env)->CallVoidMethod (gdk_env, cb_obj, stringSelectionReceivedID,
|
|
NULL);
|
|
}
|
|
else
|
|
{
|
|
char *str = (char *) selection_data->data;
|
|
|
|
(*gdk_env)->CallVoidMethod (gdk_env, cb_obj, stringSelectionReceivedID,
|
|
(*gdk_env)->NewStringUTF (gdk_env, str));
|
|
}
|
|
|
|
return;
|
|
}
|
|
|
|
void
|
|
selection_get (GtkWidget *widget __attribute__((unused)),
|
|
GtkSelectionData *selection_data,
|
|
guint info __attribute__((unused)),
|
|
guint time __attribute__((unused)),
|
|
gpointer data __attribute__((unused)))
|
|
{
|
|
jstring jstr;
|
|
const char *utf;
|
|
jsize utflen;
|
|
|
|
jstr = (*gdk_env)->CallObjectMethod (gdk_env, cb_obj,
|
|
stringSelectionHandlerID);
|
|
|
|
if (!jstr)
|
|
{
|
|
gtk_selection_data_set (selection_data,
|
|
GDK_TARGET_STRING, 8, NULL, 0);
|
|
return;
|
|
}
|
|
|
|
utflen = (*gdk_env)->GetStringUTFLength (gdk_env, jstr);
|
|
utf = (*gdk_env)->GetStringUTFChars (gdk_env, jstr, NULL);
|
|
|
|
gtk_selection_data_set (selection_data, GDK_TARGET_STRING, 8,
|
|
(const unsigned char*)utf, utflen);
|
|
|
|
(*gdk_env)->ReleaseStringUTFChars (gdk_env, jstr, utf);
|
|
}
|
|
|
|
JNIEXPORT void JNICALL
|
|
Java_gnu_java_awt_peer_gtk_GtkClipboard_selectionGet
|
|
(JNIEnv *env, jclass clazz __attribute__((unused)))
|
|
{
|
|
GdkWindow *owner;
|
|
|
|
gdk_threads_enter ();
|
|
|
|
/* if we already own the clipboard, we need to tell the old data object
|
|
that we're no longer going to be using him */
|
|
owner = gdk_selection_owner_get (GDK_SELECTION_PRIMARY);
|
|
if (owner && owner == clipboard->window)
|
|
(*env)->CallVoidMethod (env, cb_obj, selectionClearID);
|
|
|
|
gtk_selection_owner_set (clipboard, GDK_SELECTION_PRIMARY, GDK_CURRENT_TIME);
|
|
|
|
gdk_threads_leave ();
|
|
}
|
|
|
|
gint
|
|
selection_clear (GtkWidget *widget __attribute__((unused)),
|
|
GdkEventSelection *event __attribute__((unused)))
|
|
{
|
|
(*gdk_env)->CallVoidMethod (gdk_env, cb_obj, selectionClearID);
|
|
|
|
return TRUE;
|
|
}
|