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/* gtkchoicepeer.c -- Native implementation of GtkChoicePeer
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.
As a special exception, if you link this library with other files to
produce an executable, this library does not by itself cause the
resulting executable to be covered by the GNU General Public License.
This exception does not however invalidate any other reasons why the
executable file might be covered by the GNU General Public License. */
#include "gtkpeer.h"
#include "gnu_java_awt_peer_gtk_GtkChoicePeer.h"
static void connect_choice_item_selectable_hook (JNIEnv *env,
jobject peer_obj,
GtkItem *item,
jobject item_obj);
JNIEXPORT void JNICALL
Java_gnu_java_awt_peer_gtk_GtkChoicePeer_create
(JNIEnv *env, jobject obj)
{
GtkWidget *menu;
GtkOptionMenu *option_menu;
GtkRequisition child_requisition;
gdk_threads_enter ();
option_menu = GTK_OPTION_MENU (gtk_option_menu_new ());
menu = gtk_menu_new ();
gtk_widget_show (menu);
gtk_option_menu_set_menu (GTK_OPTION_MENU (option_menu), menu);
gtk_widget_size_request (gtk_menu_item_new_with_label (""),
&child_requisition);
option_menu->width = child_requisition.width;
option_menu->height = child_requisition.height;
gdk_threads_leave ();
NSA_SET_PTR (env, obj, option_menu);
}
JNIEXPORT void JNICALL
Java_gnu_java_awt_peer_gtk_GtkChoicePeer_append
(JNIEnv *env, jobject obj, jobjectArray items)
{
gpointer ptr;
GtkMenu *menu;
jsize count, i;
int need_set_history = 0;
ptr = NSA_GET_PTR (env, obj);
gdk_threads_enter ();
menu = GTK_MENU (gtk_option_menu_get_menu (GTK_OPTION_MENU (ptr)));
if (!gtk_container_children (GTK_CONTAINER (menu)))
need_set_history = 1;
count = (*env)->GetArrayLength (env, items);
for (i = 0; i < count; i++)
{
jobject item;
const char *label;
GtkWidget *menuitem;
item = (*env)->GetObjectArrayElement (env, items, i);
label = (*env)->GetStringUTFChars (env, item, NULL);
menuitem = gtk_menu_item_new_with_label (label);
(*env)->ReleaseStringUTFChars (env, item, label);
gtk_menu_append (menu, menuitem);
gtk_widget_show (menuitem);
connect_choice_item_selectable_hook (env, obj,
GTK_ITEM (menuitem), item);
}
if (need_set_history)
gtk_option_menu_set_history (GTK_OPTION_MENU (ptr), 0);
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 *menu, *menuitem;
int need_set_history = 0;
ptr = NSA_GET_PTR (env, obj);
label = (*env)->GetStringUTFChars (env, item, 0);
gdk_threads_enter ();
menu = gtk_option_menu_get_menu (GTK_OPTION_MENU (ptr));
if (!gtk_container_children (GTK_CONTAINER (menu)))
need_set_history = 1;
menuitem = gtk_menu_item_new_with_label (label);
gtk_menu_insert (GTK_MENU (menu), menuitem, index);
gtk_widget_show (menuitem);
connect_choice_item_selectable_hook (env, obj, GTK_ITEM (menuitem), item);
if (need_set_history)
gtk_option_menu_set_history (GTK_OPTION_MENU (ptr), 0);
gdk_threads_leave ();
(*env)->ReleaseStringUTFChars (env, item, label);
}
JNIEXPORT void JNICALL
Java_gnu_java_awt_peer_gtk_GtkChoicePeer_remove
(JNIEnv *env, jobject obj, jint index)
{
void *ptr;
GtkContainer *menu;
GList *children;
ptr = NSA_GET_PTR (env, obj);
gdk_threads_enter ();
menu = GTK_CONTAINER (gtk_option_menu_get_menu (GTK_OPTION_MENU (ptr)));
children = gtk_container_children (menu);
gtk_container_remove (menu, GTK_WIDGET (g_list_nth (children, index)->data));
gdk_threads_leave ();
}
JNIEXPORT void JNICALL
Java_gnu_java_awt_peer_gtk_GtkChoicePeer_select
(JNIEnv *env, jobject obj, jint index)
{
void *ptr;
ptr = NSA_GET_PTR (env, obj);
gdk_threads_enter ();
gtk_option_menu_set_history (GTK_OPTION_MENU (ptr), index);
gdk_threads_leave ();
}
static void
item_activate (GtkItem *item, struct item_event_hook_info *ie)
{
gdk_threads_leave ();
(*gdk_env)->CallVoidMethod (gdk_env, ie->peer_obj,
postItemEventID,
ie->item_obj,
(jint) AWT_ITEM_SELECTED);
gdk_threads_enter ();
}
static void
connect_choice_item_selectable_hook (JNIEnv *env, jobject peer_obj,
GtkItem *item, jobject item_obj)
{
struct item_event_hook_info *ie;
ie = (struct item_event_hook_info *)
malloc (sizeof (struct item_event_hook_info));
ie->peer_obj = (*env)->NewGlobalRef (env, peer_obj);
ie->item_obj = (*env)->NewGlobalRef (env, item_obj);
gtk_signal_connect (GTK_OBJECT (item), "activate",
GTK_SIGNAL_FUNC (item_activate), ie);
}
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