238 lines
6.4 KiB
C
238 lines
6.4 KiB
C
/* gtkchoicepeer.c -- Native implementation of GtkChoicePeer
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Copyright (C) 1998, 1999, 2006 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., 51 Franklin Street, Fifth Floor, Boston, MA
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02110-1301 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 jmethodID postChoiceItemEventID;
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static GtkWidget *choice_get_widget (GtkWidget *widget);
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void
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cp_gtk_choice_init_jni (void)
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{
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jclass gtkchoicepeer;
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gtkchoicepeer = (*cp_gtk_gdk_env())->FindClass (cp_gtk_gdk_env(),
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"gnu/java/awt/peer/gtk/GtkChoicePeer");
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postChoiceItemEventID = (*cp_gtk_gdk_env())->GetMethodID (cp_gtk_gdk_env(), gtkchoicepeer,
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"postChoiceItemEvent",
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"(I)V");
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}
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static void selection_changed_cb (GtkComboBox *combobox, jobject peer);
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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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GtkWidget *eventbox;
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gdk_threads_enter ();
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gtkpeer_set_global_ref (env, obj);
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eventbox = gtk_event_box_new ();
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combobox = gtk_combo_box_new_text ();
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gtk_container_add (GTK_CONTAINER (eventbox), combobox);
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gtk_widget_show (combobox);
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gtkpeer_set_widget (env, obj, eventbox);
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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_connectSignals
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(JNIEnv *env, jobject obj)
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{
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void *ptr = NULL;
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jobject gref;
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GtkWidget *bin;
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gdk_threads_enter ();
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ptr = gtkpeer_get_widget (env, obj);
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gref = gtkpeer_get_global_ref (env, obj);
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bin = choice_get_widget (GTK_WIDGET (ptr));
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/* Choice signals */
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g_signal_connect (G_OBJECT (bin), "changed",
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G_CALLBACK (selection_changed_cb), gref);
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/* Component signals */
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cp_gtk_component_connect_signals (G_OBJECT (bin), gref);
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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_add
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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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GtkWidget *bin;
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gdk_threads_enter ();
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ptr = gtkpeer_get_widget (env, obj);
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bin = choice_get_widget (GTK_WIDGET (ptr));
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label = (*env)->GetStringUTFChars (env, item, 0);
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gtk_combo_box_insert_text (GTK_COMBO_BOX (bin), index, label);
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(*env)->ReleaseStringUTFChars (env, item, label);
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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_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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GtkWidget *bin;
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gdk_threads_enter ();
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ptr = gtkpeer_get_widget (env, obj);
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bin = choice_get_widget (GTK_WIDGET (ptr));
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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 (bin), -1);
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gtk_combo_box_remove_text (GTK_COMBO_BOX (bin), 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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GtkWidget *bin;
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gint count, i;
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gdk_threads_enter ();
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ptr = gtkpeer_get_widget (env, obj);
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bin = choice_get_widget (GTK_WIDGET (ptr));
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model = gtk_combo_box_get_model (GTK_COMBO_BOX (bin));
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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 (bin), -1);
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for (i = count - 1; i >= 0; i--) {
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gtk_combo_box_remove_text (GTK_COMBO_BOX (bin), 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_selectNative
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(JNIEnv *env, jobject obj, jint index)
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{
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gdk_threads_enter ();
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Java_gnu_java_awt_peer_gtk_GtkChoicePeer_selectNativeUnlocked
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(env, obj, 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_selectNativeUnlocked
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(JNIEnv *env, jobject obj, jint index)
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{
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void *ptr;
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GtkWidget *bin;
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ptr = gtkpeer_get_widget (env, obj);
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bin = choice_get_widget (GTK_WIDGET (ptr));
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gtk_combo_box_set_active (GTK_COMBO_BOX (bin), (gint)index);
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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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GtkWidget *bin;
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gdk_threads_enter ();
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ptr = gtkpeer_get_widget (env, obj);
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bin = choice_get_widget (GTK_WIDGET (ptr));
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index = gtk_combo_box_get_active (GTK_COMBO_BOX (bin));
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gdk_threads_leave ();
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return index;
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}
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static void
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selection_changed_cb (GtkComboBox *combobox, jobject peer)
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{
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gint index = gtk_combo_box_get_active(combobox);
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if (index >= 0)
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(*cp_gtk_gdk_env())->CallVoidMethod (cp_gtk_gdk_env(), peer,
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postChoiceItemEventID, (jint)index );
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}
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static GtkWidget *
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choice_get_widget (GtkWidget *widget)
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{
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GtkWidget *wid;
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g_assert (GTK_IS_EVENT_BOX (widget));
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wid = gtk_bin_get_child (GTK_BIN(widget));
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return wid;
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}
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