libjava/classpath/native/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., 51 Franklin Street, Fifth Floor, Boston, MA
  19 02110-1301 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   gdk_threads_enter ();
  49
  50   ptr1 = NSA_GET_PTR (env, obj);
  51
  52   if (!parent)
  53     {
  54       gtk_menu_set_accel_group (GTK_MENU (GTK_MENU_ITEM (ptr1)->submenu),
  55                                 gtk_accel_group_new ());
  56     }
  57   else
  58     {
  59       GtkAccelGroup *parent_accel;
  60
  61       ptr2 = NSA_GET_PTR (env, parent);
  62       parent_accel = gtk_menu_get_accel_group (GTK_MENU (GTK_MENU_ITEM (ptr2)->submenu));
  63
  64       gtk_menu_set_accel_group (GTK_MENU (GTK_MENU_ITEM (ptr1)->submenu),
  65                                 parent_accel);
  66     }
  67
  68   gdk_threads_leave ();
  69 }
  70
  71
  72 JNIEXPORT void JNICALL
  73 Java_gnu_java_awt_peer_gtk_GtkMenuPeer_create
  74   (JNIEnv *env, jobject obj, jstring label)
  75 {
  76   GtkWidget *menu_title, *menu, *toplevel;
  77   const char *str;
  78
  79   gdk_threads_enter ();
  80
  81   NSA_SET_GLOBAL_REF (env, obj);
  82
  83   str = (*env)->GetStringUTFChars (env, label, NULL);
  84
  85   menu = gtk_menu_new ();
  86
  87   if (str != NULL)
  88     menu_title = gtk_menu_item_new_with_label (str);
  89   else
  90     menu_title = gtk_menu_item_new();
  91
  92   gtk_menu_item_set_submenu (GTK_MENU_ITEM (menu_title), menu);
  93
  94   /* Allow this menu to grab the pointer. */
  95   toplevel = gtk_widget_get_toplevel (menu);
  96   if (GTK_IS_WINDOW (toplevel))
  97     {
  98       gtk_window_group_add_window (cp_gtk_global_window_group,
  99                                    GTK_WINDOW(toplevel));
 100     }
 101
 102   gtk_widget_show (menu_title);
 103
 104   NSA_SET_PTR (env, obj, menu_title);
 105
 106   (*env)->ReleaseStringUTFChars (env, label, str);
 107
 108   gdk_threads_leave ();
 109 }
 110
 111 JNIEXPORT void JNICALL
 112 Java_gnu_java_awt_peer_gtk_GtkMenuPeer_addTearOff
 113   (JNIEnv *env, jobject obj)
 114 {
 115   void *ptr1;
 116   GtkWidget *menu, *item;
 117
 118   gdk_threads_enter ();
 119
 120   ptr1 = NSA_GET_PTR (env, obj);
 121
 122   menu = gtk_menu_item_get_submenu (GTK_MENU_ITEM (ptr1));
 123   item = gtk_tearoff_menu_item_new ();
 124   gtk_menu_shell_append (GTK_MENU_SHELL (menu), item);
 125   gtk_widget_show (item);
 126
 127   gdk_threads_leave ();
 128 }
 129
 130 JNIEXPORT void JNICALL
 131 Java_gnu_java_awt_peer_gtk_GtkMenuPeer_addItem
 132   (JNIEnv *env, jobject obj, jobject menuitempeer, jint key, jboolean shift)
 133 {
 134   void *ptr1, *ptr2;
 135   GtkWidget *menu;
 136
 137   gdk_threads_enter ();
 138
 139   ptr1 = NSA_GET_PTR (env, obj);
 140   ptr2 = NSA_GET_PTR (env, menuitempeer);
 141
 142   menu = gtk_menu_item_get_submenu(GTK_MENU_ITEM(ptr1));
 143   gtk_menu_shell_append (GTK_MENU_SHELL(menu), GTK_WIDGET (ptr2));
 144
 145   if (key)
 146     {
 147       gtk_widget_add_accelerator (GTK_WIDGET (ptr2), "activate",
 148                                   gtk_menu_get_accel_group (GTK_MENU (menu)), key,
 149                                   (GDK_CONTROL_MASK
 150                                    | ((shift) ? GDK_SHIFT_MASK : 0)),
 151                                   GTK_ACCEL_VISIBLE);
 152     }
 153
 154   gdk_threads_leave ();
 155 }
 156
 157 JNIEXPORT void JNICALL
 158 Java_gnu_java_awt_peer_gtk_GtkMenuPeer_delItem
 159   (JNIEnv *env, jobject obj, jint index)
 160 {
 161   void *ptr;
 162   GList *list;
 163   GtkWidget *menu;
 164
 165   gdk_threads_enter ();
 166
 167   ptr = NSA_GET_PTR (env, obj);
 168
 169   menu = gtk_menu_item_get_submenu(GTK_MENU_ITEM(ptr));
 170
 171   list = gtk_container_get_children (GTK_CONTAINER (menu));
 172   list = g_list_nth (list, index);
 173   gtk_container_remove (GTK_CONTAINER (menu), GTK_WIDGET (list->data));
 174
 175   gdk_threads_leave ();
 176 }