old-autovect-branch/libjava/classpath/native/jni/gtk-peer/gnu_java_awt_peer_gtk_GtkFramePeer.c

   1 /* gtkframepeer.c -- Native implementation of GtkFramePeer
   2    Copyright (C) 1998, 1999, 2002 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 #include "gtkpeer.h"
  39 #include "gnu_java_awt_peer_gtk_GtkFramePeer.h"
  40
  41 JNIEXPORT void JNICALL
  42 Java_gnu_java_awt_peer_gtk_GtkFramePeer_removeMenuBarPeer
  43   (JNIEnv *env, jobject obj)
  44 {
  45   void *ptr;
  46   void *mptr;
  47   void *fixed;
  48   GList* children;
  49
  50   gdk_threads_enter ();
  51
  52   ptr = NSA_GET_PTR (env, obj);
  53
  54   fixed = gtk_container_get_children (GTK_CONTAINER (ptr))->data;
  55   children = gtk_container_get_children (GTK_CONTAINER (fixed));
  56
  57   while (children != NULL && !GTK_IS_MENU_SHELL (children->data))
  58   {
  59     children = children->next;
  60   }
  61
  62   /* If there's a menu bar, remove it. */
  63   if (children != NULL)
  64     {
  65       mptr = children->data;
  66
  67       /* This will actually destroy the MenuBar. By removing it from
  68          its parent, the reference count for the MenuBar widget will
  69          decrement to 0. The widget will be automatically destroyed by
  70          GTK. */
  71       gtk_container_remove (GTK_CONTAINER (fixed), GTK_WIDGET (mptr));
  72     }
  73
  74   gdk_threads_leave ();
  75 }
  76
  77 JNIEXPORT void JNICALL
  78 Java_gnu_java_awt_peer_gtk_GtkFramePeer_setMenuBarPeer
  79   (JNIEnv *env, jobject obj, jobject menubar)
  80 {
  81   void *ptr;
  82   void *mptr;
  83   void *fixed;
  84
  85   gdk_threads_enter ();
  86
  87   ptr = NSA_GET_PTR (env, obj);
  88
  89   if (menubar)
  90     {
  91       mptr = NSA_GET_PTR (env, menubar);
  92
  93       fixed = gtk_container_get_children (GTK_CONTAINER (ptr))->data;
  94       gtk_fixed_put (GTK_FIXED (fixed), mptr, 0, 0);
  95       gtk_widget_show (mptr);
  96     }
  97
  98   gdk_threads_leave ();
  99 }
 100
 101 JNIEXPORT jint JNICALL
 102 Java_gnu_java_awt_peer_gtk_GtkFramePeer_getMenuBarHeight
 103   (JNIEnv *env, jobject obj __attribute__((unused)), jobject menubar)
 104 {
 105   GtkWidget *ptr;
 106   GtkRequisition requisition;
 107
 108   gdk_threads_enter ();
 109
 110   ptr = NSA_GET_PTR (env, menubar);
 111
 112   gtk_widget_size_request (ptr, &requisition);
 113
 114   gdk_threads_leave ();
 115
 116   return requisition.height;
 117 }
 118
 119 JNIEXPORT void JNICALL
 120 Java_gnu_java_awt_peer_gtk_GtkFramePeer_setMenuBarWidth
 121   (JNIEnv *env, jobject obj, jobject menubar, jint width)
 122 {
 123   gdk_threads_enter ();
 124
 125   Java_gnu_java_awt_peer_gtk_GtkFramePeer_setMenuBarWidthUnlocked
 126     (env, obj, menubar, width);
 127
 128   gdk_threads_leave ();
 129 }
 130
 131 JNIEXPORT void JNICALL
 132 Java_gnu_java_awt_peer_gtk_GtkFramePeer_setMenuBarWidthUnlocked
 133   (JNIEnv *env, jobject obj __attribute__((unused)), jobject menubar, jint width)
 134 {
 135   GtkWidget *ptr;
 136   GtkRequisition natural_req;
 137
 138   if (menubar)
 139     {
 140       ptr = NSA_GET_PTR (env, menubar);
 141
 142       /* Get the menubar's natural size request. */
 143       gtk_widget_set_size_request (GTK_WIDGET (ptr), -1, -1);
 144       gtk_widget_size_request (GTK_WIDGET (ptr), &natural_req);
 145
 146       /* Set the menubar's size request to width by natural_req.height. */
 147       gtk_widget_set_size_request (GTK_WIDGET (ptr),
 148                                    width, natural_req.height);
 149     }
 150 }
 151
 152 JNIEXPORT void JNICALL
 153 Java_gnu_java_awt_peer_gtk_GtkFramePeer_gtkFixedSetVisible
 154   (JNIEnv *env, jobject obj, jboolean visible)
 155 {
 156   void *ptr;
 157   void *fixed;
 158
 159   gdk_threads_enter ();
 160
 161   ptr = NSA_GET_PTR (env, obj);
 162
 163   fixed = gtk_container_get_children (GTK_CONTAINER (ptr))->data;
 164
 165   if (visible)
 166     gtk_widget_show (GTK_WIDGET (fixed));
 167   else
 168     gtk_widget_hide (GTK_WIDGET (fixed));
 169
 170   gdk_threads_leave ();
 171 }
 172
 173 JNIEXPORT void JNICALL
 174 Java_gnu_java_awt_peer_gtk_GtkFramePeer_nativeSetIconImage
 175   (JNIEnv *env, jobject obj, jobject gtkimage)
 176 {
 177   void *ptr;
 178   GdkPixbuf *pixbuf = NULL;
 179
 180   gdk_threads_enter ();
 181
 182   pixbuf = cp_gtk_image_get_pixbuf (env, gtkimage);
 183   g_assert (pixbuf != NULL);
 184
 185   ptr = NSA_GET_PTR (env, obj);
 186
 187   gtk_window_set_icon (GTK_WINDOW (ptr), pixbuf);
 188
 189   /* if the GtkImage is offscreen, this is a temporary pixbuf which should
 190    be thrown out. */
 191   if(cp_gtk_image_is_offscreen (env, gtkimage) == JNI_TRUE)
 192     gdk_pixbuf_unref (pixbuf);
 193
 194   gdk_threads_leave ();
 195 }