273 lines
8.2 KiB
C
273 lines
8.2 KiB
C
/* gtkfiledialogpeer.c -- Native implementation of GtkFileDialogPeer
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Copyright (C) 1998, 1999, 2002, 2004 Free Software Foundation, Inc.
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This file is part of GNU Classpath.
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GNU Classpath is free software; you can redistribute it and/or modify
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it under the terms of the GNU General Public License as published by
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the Free Software Foundation; either version 2, or (at your option)
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any later version.
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GNU Classpath is distributed in the hope that it will be useful, but
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WITHOUT ANY WARRANTY; without even the implied warranty of
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MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
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General Public License for more details.
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You should have received a copy of the GNU General Public License
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along with GNU Classpath; see the file COPYING. If not, write to the
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Free Software Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA
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02111-1307 USA.
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Linking this library statically or dynamically with other modules is
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making a combined work based on this library. Thus, the terms and
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conditions of the GNU General Public License cover the whole
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combination.
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As a special exception, the copyright holders of this library give you
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permission to link this library with independent modules to produce an
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executable, regardless of the license terms of these independent
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modules, and to copy and distribute the resulting executable under
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terms of your choice, provided that you also meet, for each linked
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independent module, the terms and conditions of the license of that
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module. An independent module is a module which is not derived from
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or based on this library. If you modify this library, you may extend
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this exception to your version of the library, but you are not
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obligated to do so. If you do not wish to do so, delete this
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exception statement from your version. */
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#include "gtkpeer.h"
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#include "gnu_java_awt_peer_gtk_GtkComponentPeer.h"
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#include "gnu_java_awt_peer_gtk_GtkFileDialogPeer.h"
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static void handle_response (GtkDialog *dialog,
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gint responseId,
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jobject peer_obj);
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/*
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* Make a new file selection dialog
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*/
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JNIEXPORT void JNICALL
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Java_gnu_java_awt_peer_gtk_GtkFileDialogPeer_create
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(JNIEnv *env, jobject obj, jobject parent)
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{
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void *parentp;
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gpointer widget;
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/* Create global reference and save it for future use */
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NSA_SET_GLOBAL_REF (env, obj);
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parentp = NSA_GET_PTR(env, parent);
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gdk_threads_enter ();
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widget = gtk_file_chooser_dialog_new("",
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GTK_WINDOW(parentp),
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GTK_FILE_CHOOSER_ACTION_OPEN,
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GTK_STOCK_OK, GTK_RESPONSE_OK,
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GTK_STOCK_CANCEL, GTK_RESPONSE_CANCEL,
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NULL);
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/* GtkFileChooser doesn't show hidden files by default. */
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g_object_set(GTK_FILE_CHOOSER(widget), "show_hidden", TRUE);
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/* GtkFileSelect is not modal by default */
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gtk_window_set_modal (GTK_WINDOW (widget), TRUE);
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/* We must add this window to the group so input in the others are
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disable while it is being shown */
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gtk_window_group_add_window (global_gtk_window_group, GTK_WINDOW (widget));
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gdk_threads_leave ();
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NSA_SET_PTR (env, obj, widget);
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}
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JNIEXPORT void JNICALL
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Java_gnu_java_awt_peer_gtk_GtkFileDialogPeer_connectSignals
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(JNIEnv *env, jobject obj)
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{
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void *ptr = NSA_GET_PTR (env, obj);
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jobject *gref = NSA_GET_GLOBAL_REF (env, obj);
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g_assert (gref);
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gdk_threads_enter ();
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g_signal_connect (G_OBJECT (GTK_DIALOG (ptr)),
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"response",
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GTK_SIGNAL_FUNC (handle_response), *gref);
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gdk_threads_leave ();
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/* Connect the superclass signals. */
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Java_gnu_java_awt_peer_gtk_GtkComponentPeer_connectSignals (env, obj);
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}
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JNIEXPORT jstring JNICALL
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Java_gnu_java_awt_peer_gtk_GtkFileDialogPeer_nativeGetDirectory
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(JNIEnv *env, jobject obj)
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{
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void *ptr;
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const char *str;
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ptr = NSA_GET_PTR (env, obj);
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gdk_threads_enter ();
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str = gtk_file_chooser_get_current_folder (GTK_FILE_CHOOSER(ptr));
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gdk_threads_leave ();
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return (*env)->NewStringUTF(env, str);
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}
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/* This function interfaces with the Java callback method of the same name.
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This function extracts the filename from the GtkFileFilterInfo object,
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and passes it to the Java method. The Java method will call the filter's
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accept() method and will give back the return value. */
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static gboolean filenameFilterCallback (const GtkFileFilterInfo *filter_info,
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gpointer obj)
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{
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jclass cx;
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jmethodID id;
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jstring *filename;
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gboolean accepted;
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cx = (*gdk_env)->GetObjectClass (gdk_env, (jobject) obj);
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id = (*gdk_env)->GetMethodID (gdk_env, cx, "filenameFilterCallback",
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"(Ljava/lang/String;)Z");
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filename = (*gdk_env)->NewStringUTF(gdk_env, filter_info->filename);
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gdk_threads_leave();
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accepted = (*gdk_env)->CallBooleanMethod(gdk_env, obj, id, filename);
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gdk_threads_enter();
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return accepted;
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}
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JNIEXPORT void JNICALL
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Java_gnu_java_awt_peer_gtk_GtkFileDialogPeer_nativeSetFilenameFilter
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(JNIEnv *env, jobject obj, jobject filter_obj __attribute__((unused)))
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{
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void *ptr;
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GtkFileFilter *filter;
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ptr = NSA_GET_PTR (env, obj);
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gdk_threads_enter ();
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filter = gtk_file_filter_new();
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gtk_file_filter_add_custom(filter, GTK_FILE_FILTER_FILENAME,
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filenameFilterCallback, obj, NULL);
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gtk_file_chooser_set_filter(GTK_FILE_CHOOSER(ptr), filter);
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gdk_threads_leave ();
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}
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JNIEXPORT void JNICALL
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Java_gnu_java_awt_peer_gtk_GtkFileDialogPeer_nativeSetDirectory
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(JNIEnv *env, jobject obj, jstring directory)
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{
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void *ptr;
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const char *str;
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ptr = NSA_GET_PTR (env, obj);
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str = (*env)->GetStringUTFChars (env, directory, 0);
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gdk_threads_enter ();
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gtk_file_chooser_set_current_folder (GTK_FILE_CHOOSER(ptr), str);
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gdk_threads_leave ();
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(*env)->ReleaseStringUTFChars (env, directory, str);
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}
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JNIEXPORT void JNICALL
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Java_gnu_java_awt_peer_gtk_GtkFileDialogPeer_nativeSetFile
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(JNIEnv *env, jobject obj, jstring filename)
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{
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void *ptr;
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const char *str;
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ptr = NSA_GET_PTR (env, obj);
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str = (*env)->GetStringUTFChars (env, filename, 0);
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gdk_threads_enter ();
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gtk_file_chooser_set_filename (GTK_FILE_CHOOSER (ptr), str);
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gdk_threads_leave ();
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(*env)->ReleaseStringUTFChars (env, filename, str);
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}
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static void
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handle_response (GtkDialog *dialog __attribute__((unused)),
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gint responseId,
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jobject peer_obj)
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{
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static int isDisposeIDSet = 0;
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static int isIDSet = 0;
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static jmethodID gtkSetFilenameID;
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static jmethodID hideID;
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static jmethodID disposeID;
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void *ptr;
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G_CONST_RETURN gchar *fileName;
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jstring str_fileName = NULL;
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/* We only need this for the case when the user closed the window,
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or clicked ok or cancel. */
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if (responseId != GTK_RESPONSE_DELETE_EVENT
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&& responseId != GTK_RESPONSE_OK
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&& responseId != GTK_RESPONSE_CANCEL)
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return;
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ptr = NSA_GET_PTR (gdk_env, peer_obj);
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if (responseId == GTK_RESPONSE_DELETE_EVENT)
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{
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if (!isDisposeIDSet)
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{
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jclass cx = (*gdk_env)->GetObjectClass (gdk_env, peer_obj);
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disposeID = (*gdk_env)->GetMethodID (gdk_env, cx, "gtkDisposeFileDialog", "()V");
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isDisposeIDSet = 1;
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}
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gdk_threads_leave ();
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/* We can dispose of the dialog now (and unblock show) */
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(*gdk_env)->CallVoidMethod (gdk_env, peer_obj, disposeID);
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gdk_threads_enter ();
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return;
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}
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if (responseId == GTK_RESPONSE_OK) {
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fileName = gtk_file_chooser_get_filename (GTK_FILE_CHOOSER (GTK_WIDGET (ptr)));
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str_fileName = (*gdk_env)->NewStringUTF (gdk_env, fileName);
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}
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if (!isIDSet)
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{
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jclass cx = (*gdk_env)->GetObjectClass (gdk_env, peer_obj);
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hideID = (*gdk_env)->GetMethodID (gdk_env, cx, "gtkHideFileDialog", "()V");
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gtkSetFilenameID = (*gdk_env)->GetMethodID (gdk_env, cx,
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"gtkSetFilename", "(Ljava/lang/String;)V");
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isIDSet = 1;
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}
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gdk_threads_leave ();
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/* Set the Java object field 'file' with this value. */
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(*gdk_env)->CallVoidMethod (gdk_env, peer_obj, gtkSetFilenameID, str_fileName);
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/* We can hide the dialog now (and unblock show) */
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(*gdk_env)->CallVoidMethod (gdk_env, peer_obj, hideID);
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gdk_threads_enter ();
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}
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