| /* gtkchoicepeer.c -- Native implementation of GtkChoicePeer |
| Copyright (C) 1998, 1999, 2006 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., 51 Franklin Street, Fifth Floor, Boston, MA |
| 02110-1301 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_GtkChoicePeer.h" |
| |
| static jmethodID postChoiceItemEventID; |
| static GtkWidget *choice_get_widget (GtkWidget *widget); |
| |
| void |
| cp_gtk_choice_init_jni (void) |
| { |
| jclass gtkchoicepeer; |
| |
| gtkchoicepeer = (*cp_gtk_gdk_env())->FindClass (cp_gtk_gdk_env(), |
| "gnu/java/awt/peer/gtk/GtkChoicePeer"); |
| |
| postChoiceItemEventID = (*cp_gtk_gdk_env())->GetMethodID (cp_gtk_gdk_env(), gtkchoicepeer, |
| "postChoiceItemEvent", |
| "(I)V"); |
| } |
| |
| static void selection_changed_cb (GtkComboBox *combobox, jobject peer); |
| |
| JNIEXPORT void JNICALL |
| Java_gnu_java_awt_peer_gtk_GtkChoicePeer_create |
| (JNIEnv *env, jobject obj) |
| { |
| GtkWidget *combobox; |
| GtkWidget *eventbox; |
| jobject *gref; |
| |
| gdk_threads_enter (); |
| |
| NSA_SET_GLOBAL_REF (env, obj); |
| gref = NSA_GET_GLOBAL_REF (env, obj); |
| |
| eventbox = gtk_event_box_new (); |
| combobox = gtk_combo_box_new_text (); |
| gtk_container_add (GTK_CONTAINER (eventbox), combobox); |
| gtk_widget_show (combobox); |
| |
| NSA_SET_PTR (env, obj, eventbox); |
| |
| gdk_threads_leave (); |
| } |
| |
| JNIEXPORT void JNICALL |
| Java_gnu_java_awt_peer_gtk_GtkChoicePeer_connectSignals |
| (JNIEnv *env, jobject obj) |
| { |
| void *ptr = NULL; |
| jobject *gref = NULL; |
| GtkWidget *bin; |
| |
| gdk_threads_enter (); |
| |
| ptr = NSA_GET_PTR (env, obj); |
| gref = NSA_GET_GLOBAL_REF (env, obj); |
| |
| bin = choice_get_widget (GTK_WIDGET (ptr)); |
| |
| /* Choice signals */ |
| g_signal_connect (G_OBJECT (bin), "changed", |
| G_CALLBACK (selection_changed_cb), *gref); |
| |
| /* Component signals */ |
| cp_gtk_component_connect_signals (G_OBJECT (bin), gref); |
| |
| gdk_threads_leave (); |
| } |
| |
| JNIEXPORT void JNICALL |
| Java_gnu_java_awt_peer_gtk_GtkChoicePeer_add |
| (JNIEnv *env, jobject obj, jstring item, jint index) |
| { |
| void *ptr; |
| const char *label; |
| GtkWidget *bin; |
| |
| gdk_threads_enter (); |
| |
| ptr = NSA_GET_PTR (env, obj); |
| bin = choice_get_widget (GTK_WIDGET (ptr)); |
| |
| label = (*env)->GetStringUTFChars (env, item, 0); |
| |
| gtk_combo_box_insert_text (GTK_COMBO_BOX (bin), index, label); |
| |
| (*env)->ReleaseStringUTFChars (env, item, label); |
| |
| gdk_threads_leave (); |
| } |
| |
| JNIEXPORT void JNICALL |
| Java_gnu_java_awt_peer_gtk_GtkChoicePeer_nativeRemove |
| (JNIEnv *env, jobject obj, jint index) |
| { |
| void *ptr; |
| GtkWidget *bin; |
| |
| gdk_threads_enter (); |
| |
| ptr = NSA_GET_PTR (env, obj); |
| bin = choice_get_widget (GTK_WIDGET (ptr)); |
| |
| /* First, unselect everything, to avoid problems when removing items. */ |
| gtk_combo_box_set_active (GTK_COMBO_BOX (bin), -1); |
| gtk_combo_box_remove_text (GTK_COMBO_BOX (bin), index); |
| |
| gdk_threads_leave (); |
| } |
| |
| JNIEXPORT void JNICALL |
| Java_gnu_java_awt_peer_gtk_GtkChoicePeer_nativeRemoveAll |
| (JNIEnv *env, jobject obj) |
| { |
| void *ptr; |
| GtkTreeModel *model; |
| GtkWidget *bin; |
| gint count, i; |
| |
| gdk_threads_enter (); |
| |
| ptr = NSA_GET_PTR (env, obj); |
| bin = choice_get_widget (GTK_WIDGET (ptr)); |
| |
| model = gtk_combo_box_get_model (GTK_COMBO_BOX (bin)); |
| count = gtk_tree_model_iter_n_children (model, NULL); |
| |
| /* First, unselect everything, to avoid problems when removing items. */ |
| gtk_combo_box_set_active (GTK_COMBO_BOX (bin), -1); |
| |
| for (i = count - 1; i >= 0; i--) { |
| gtk_combo_box_remove_text (GTK_COMBO_BOX (bin), i); |
| } |
| |
| gdk_threads_leave (); |
| } |
| |
| JNIEXPORT void JNICALL |
| Java_gnu_java_awt_peer_gtk_GtkChoicePeer_selectNative |
| (JNIEnv *env, jobject obj, jint index) |
| { |
| gdk_threads_enter (); |
| |
| Java_gnu_java_awt_peer_gtk_GtkChoicePeer_selectNativeUnlocked |
| (env, obj, index); |
| |
| gdk_threads_leave (); |
| } |
| |
| JNIEXPORT void JNICALL |
| Java_gnu_java_awt_peer_gtk_GtkChoicePeer_selectNativeUnlocked |
| (JNIEnv *env, jobject obj, jint index) |
| { |
| void *ptr; |
| GtkWidget *bin; |
| |
| ptr = NSA_GET_PTR (env, obj); |
| bin = choice_get_widget (GTK_WIDGET (ptr)); |
| gtk_combo_box_set_active (GTK_COMBO_BOX (bin), (gint)index); |
| } |
| |
| JNIEXPORT jint JNICALL |
| Java_gnu_java_awt_peer_gtk_GtkChoicePeer_nativeGetSelected |
| (JNIEnv *env, jobject obj) |
| { |
| void *ptr; |
| int index; |
| GtkWidget *bin; |
| |
| gdk_threads_enter (); |
| |
| ptr = NSA_GET_PTR (env, obj); |
| bin = choice_get_widget (GTK_WIDGET (ptr)); |
| |
| index = gtk_combo_box_get_active (GTK_COMBO_BOX (bin)); |
| |
| gdk_threads_leave (); |
| |
| return index; |
| } |
| |
| static void |
| selection_changed_cb (GtkComboBox *combobox, jobject peer) |
| { |
| gint index = gtk_combo_box_get_active(combobox); |
| |
| if (index >= 0) |
| (*cp_gtk_gdk_env())->CallVoidMethod (cp_gtk_gdk_env(), peer, |
| postChoiceItemEventID, (jint)index ); |
| } |
| |
| static GtkWidget * |
| choice_get_widget (GtkWidget *widget) |
| { |
| GtkWidget *wid; |
| |
| g_assert (GTK_IS_EVENT_BOX (widget)); |
| wid = gtk_bin_get_child (GTK_BIN(widget)); |
| |
| return wid; |
| } |