libjava/jni/gtk-peer/gnu_java_awt_peer_gtk_GtkMenuPeer.c

   1 /* gtkmenupeer.c -- Native implementation of GtkMenuPeer
   2    Copyright (C) 1999, 2004 Free Software Foundation, Inc.
   3
   4 This file is part of GNU Classpath.
   5
   6 GNU Classpath is free software; you can redistribute it and/or modify
   7 it under the terms of the GNU General Public License as published by
   8 the Free Software Foundation; either version 2, or (at your option)
   9 any later version.
  10
  11 GNU Classpath is distributed in the hope that it will be useful, but
  12 WITHOUT ANY WARRANTY; without even the implied warranty of
  13 MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
  14 General Public License for more details.
  15
  16 You should have received a copy of the GNU General Public License
  17 along with GNU Classpath; see the file COPYING.  If not, write to the
  18 Free Software Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA
  19 02111-1307 USA.
  20
  21 Linking this library statically or dynamically with other modules is
  22 making a combined work based on this library.  Thus, the terms and
  23 conditions of the GNU General Public License cover the whole
  24 combination.
  25
  26 As a special exception, the copyright holders of this library give you
  27 permission to link this library with independent modules to produce an
  28 executable, regardless of the license terms of these independent
  29 modules, and to copy and distribute the resulting executable under
  30 terms of your choice, provided that you also meet, for each linked
  31 independent module, the terms and conditions of the license of that
  32 module.  An independent module is a module which is not derived from
  33 or based on this library.  If you modify this library, you may extend
  34 this exception to your version of the library, but you are not
  35 obligated to do so.  If you do not wish to do so, delete this
  36 exception statement from your version. */
  37
  38
  39 #include "gtkpeer.h"
  40 #include "gnu_java_awt_peer_gtk_GtkMenuPeer.h"
  41
  42 JNIEXPORT void JNICALL
  43 Java_gnu_java_awt_peer_gtk_GtkMenuPeer_setupAccelGroup
  44   (JNIEnv *env, jobject obj, jobject parent)
  45 {
  46   void *ptr1, *ptr2;
  47
  48   ptr1 = NSA_GET_PTR (env, obj);
  49
  50   gdk_threads_enter ();
  51   if (!parent)
  52     {
  53       gtk_menu_set_accel_group (GTK_MENU (GTK_MENU_ITEM (ptr1)->submenu),
  54                                 gtk_accel_group_new ());
  55     }
  56   else
  57     {
  58       GtkAccelGroup *parent_accel;
  59
  60       ptr2 = NSA_GET_PTR (env, parent);
  61       parent_accel = gtk_menu_get_accel_group (GTK_MENU (GTK_MENU_ITEM (ptr2)->submenu));
  62
  63       gtk_menu_set_accel_group (GTK_MENU (GTK_MENU_ITEM (ptr1)->submenu),
  64                                 parent_accel);
  65     }
  66
  67   gdk_threads_leave ();
  68 }
  69
  70
  71 JNIEXPORT void JNICALL
  72 Java_gnu_java_awt_peer_gtk_GtkMenuPeer_create
  73   (JNIEnv *env, jobject obj, jstring label)
  74 {
  75   GtkWidget *menu_title, *menu, *toplevel;
  76   const char *str;
  77
  78   NSA_SET_GLOBAL_REF (env, obj);
  79
  80   str = (*env)->GetStringUTFChars (env, label, NULL);
  81
  82   gdk_threads_enter ();
  83
  84   menu = gtk_menu_new ();
  85
  86   if (str != NULL)
  87     menu_title = gtk_menu_item_new_with_label (str);
  88   else
  89     menu_title = gtk_menu_item_new();
  90
  91   gtk_menu_item_set_submenu (GTK_MENU_ITEM (menu_title), menu);
  92
  93   /* Allow this menu to grab the pointer. */
  94   toplevel = gtk_widget_get_toplevel (menu);
  95   if (GTK_IS_WINDOW (toplevel))
  96     {
  97       gtk_window_group_add_window (global_gtk_window_group,
  98                                    GTK_WINDOW(toplevel));
  99     }
 100
 101   gtk_widget_show (menu_title);
 102
 103   NSA_SET_PTR (env, obj, menu_title);
 104
 105   gdk_threads_leave ();
 106
 107   (*env)->ReleaseStringUTFChars (env, label, str);
 108 }
 109
 110 JNIEXPORT void JNICALL
 111 Java_gnu_java_awt_peer_gtk_GtkMenuPeer_addTearOff
 112   (JNIEnv *env, jobject obj)
 113 {
 114   void *ptr1;
 115   GtkWidget *menu, *item;
 116
 117   ptr1 = NSA_GET_PTR (env, obj);
 118
 119   gdk_threads_enter ();
 120
 121   menu = gtk_menu_item_get_submenu (GTK_MENU_ITEM (ptr1));
 122   item = gtk_tearoff_menu_item_new ();
 123   gtk_menu_shell_append (GTK_MENU_SHELL (menu), item);
 124   gtk_widget_show (item);
 125
 126   gdk_threads_leave ();
 127 }
 128
 129 JNIEXPORT void JNICALL
 130 Java_gnu_java_awt_peer_gtk_GtkMenuPeer_addItem
 131   (JNIEnv *env, jobject obj, jobject menuitempeer, jint key, jboolean shift)
 132 {
 133   void *ptr1, *ptr2;
 134   GtkWidget *menu;
 135
 136   ptr1 = NSA_GET_PTR (env, obj);
 137   ptr2 = NSA_GET_PTR (env, menuitempeer);
 138
 139   gdk_threads_enter ();
 140
 141   menu = gtk_menu_item_get_submenu(GTK_MENU_ITEM(ptr1));
 142   gtk_menu_shell_append (GTK_MENU_SHELL(menu), GTK_WIDGET (ptr2));
 143
 144   if (key)
 145     {
 146       gtk_widget_add_accelerator (GTK_WIDGET (ptr2), "activate",
 147                                   gtk_menu_get_accel_group (GTK_MENU (menu)), key,
 148                                   (GDK_CONTROL_MASK
 149                                    | ((shift) ? GDK_SHIFT_MASK : 0)),
 150                                   GTK_ACCEL_VISIBLE);
 151     }
 152
 153   gdk_threads_leave ();
 154 }
 155
 156 JNIEXPORT void JNICALL
 157 Java_gnu_java_awt_peer_gtk_GtkMenuPeer_delItem
 158   (JNIEnv *env, jobject obj, jint index)
 159 {
 160   void *ptr;
 161   GList *list;
 162
 163   ptr = NSA_GET_PTR (env, obj);
 164
 165   gdk_threads_enter ();
 166   list = gtk_container_children (GTK_CONTAINER (ptr));
 167   list = g_list_nth (list, index);
 168   gtk_container_remove (GTK_CONTAINER (ptr), GTK_WIDGET (list->data));
 169   gdk_threads_leave ();
 170 }
 171
 172