206 lines
5.3 KiB
C
206 lines
5.3 KiB
C
/* gtkchoicepeer.c -- Native implementation of GtkChoicePeer
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Copyright (C) 1998, 1999 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_GtkChoicePeer.h"
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static void selection_changed (GtkComboBox *combobox, gpointer data);
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JNIEXPORT void JNICALL
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Java_gnu_java_awt_peer_gtk_GtkChoicePeer_create
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(JNIEnv *env, jobject obj)
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{
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GtkWidget *combobox;
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NSA_SET_GLOBAL_REF (env, obj);
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gdk_threads_enter ();
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combobox = gtk_combo_box_new_text ();
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g_signal_connect (combobox, "changed",
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G_CALLBACK (selection_changed), obj);
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gdk_threads_leave ();
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NSA_SET_PTR (env, obj, combobox);
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}
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JNIEXPORT void JNICALL
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Java_gnu_java_awt_peer_gtk_GtkChoicePeer_append
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(JNIEnv *env, jobject obj, jobjectArray items)
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{
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gpointer ptr;
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jsize count, i;
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ptr = NSA_GET_PTR (env, obj);
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gdk_threads_enter ();
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count = (*env)->GetArrayLength (env, items);
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for (i = 0; i < count; i++)
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{
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jobject item;
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const char *label;
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item = (*env)->GetObjectArrayElement (env, items, i);
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label = (*env)->GetStringUTFChars (env, item, NULL);
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gtk_combo_box_append_text (GTK_COMBO_BOX (ptr), label);
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(*env)->ReleaseStringUTFChars (env, item, label);
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}
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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_GtkChoicePeer_nativeAdd
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(JNIEnv *env, jobject obj, jstring item, jint index)
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{
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void *ptr;
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const char *label;
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ptr = NSA_GET_PTR (env, obj);
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label = (*env)->GetStringUTFChars (env, item, 0);
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gdk_threads_enter ();
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gtk_combo_box_insert_text (GTK_COMBO_BOX (ptr), index, label);
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gdk_threads_leave ();
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(*env)->ReleaseStringUTFChars (env, item, label);
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}
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JNIEXPORT void JNICALL
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Java_gnu_java_awt_peer_gtk_GtkChoicePeer_nativeRemove
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(JNIEnv *env, jobject obj, jint index)
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{
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void *ptr;
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ptr = NSA_GET_PTR (env, obj);
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gdk_threads_enter ();
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gtk_combo_box_remove_text (GTK_COMBO_BOX (ptr), index);
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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_GtkChoicePeer_nativeRemoveAll
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(JNIEnv *env, jobject obj)
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{
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void *ptr;
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GtkTreeModel *model;
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gint count, i;
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ptr = NSA_GET_PTR (env, obj);
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gdk_threads_enter ();
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model = gtk_combo_box_get_model (GTK_COMBO_BOX (ptr));
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count = gtk_tree_model_iter_n_children (model, NULL);
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/* First, unselect everything, to avoid problems when removing items. */
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gtk_combo_box_set_active (GTK_COMBO_BOX (ptr), -1);
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for (i = count - 1; i >= 0; i--) {
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gtk_combo_box_remove_text (GTK_COMBO_BOX (ptr), i);
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}
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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_GtkChoicePeer_select
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(JNIEnv *env, jobject obj, jint index)
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{
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void *ptr;
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ptr = NSA_GET_PTR (env, obj);
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gdk_threads_enter ();
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gtk_combo_box_set_active (GTK_COMBO_BOX (ptr), index);
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gdk_threads_leave ();
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}
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JNIEXPORT jint JNICALL
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Java_gnu_java_awt_peer_gtk_GtkChoicePeer_nativeGetSelected
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(JNIEnv *env, jobject obj)
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{
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void *ptr;
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int index;
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ptr = NSA_GET_PTR (env, obj);
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gdk_threads_enter ();
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index = gtk_combo_box_get_active (GTK_COMBO_BOX (ptr));
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gdk_threads_leave ();
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return index;
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}
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void selection_changed (GtkComboBox *combobox, jobject peer)
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{
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jstring label;
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GtkTreeModel *model;
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GtkTreeIter iter;
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gchar *selected;
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gint index;
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index = gtk_combo_box_get_active(combobox);
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if (index >= 0)
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{
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model = gtk_combo_box_get_model (combobox);
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gtk_combo_box_get_active_iter (combobox, &iter);
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gtk_tree_model_get (model, &iter, 0, &selected, -1);
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gdk_threads_leave ();
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label = (*gdk_env)->NewStringUTF (gdk_env, selected);
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(*gdk_env)->CallVoidMethod (gdk_env, peer,
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choicePostItemEventID,
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label,
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(jint) AWT_ITEM_SELECTED);
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gdk_threads_enter ();
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}
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}
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