libjava/jni/gtk-peer/gnu_java_awt_peer_gtk_GtkMenuItemPeer.c

   1 /* gtkmenuitempeer.c -- Native implementation of GtkMenuItemPeer
   2    Copyright (C) 1999 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_GtkMenuItemPeer.h"
  41 #include "gnu_java_awt_peer_gtk_GtkComponentPeer.h"
  42
  43 static void item_activate (GtkMenuItem *item __attribute__((unused)),
  44                            jobject peer_obj);
  45
  46 JNIEXPORT void JNICALL
  47 Java_gnu_java_awt_peer_gtk_GtkMenuItemPeer_create
  48   (JNIEnv *env, jobject obj, jstring label)
  49 {
  50   GtkWidget *widget;
  51   const char *str;
  52
  53   NSA_SET_GLOBAL_REF (env, obj);
  54
  55   str = (*env)->GetStringUTFChars (env, label, NULL);
  56
  57   gdk_threads_enter ();
  58
  59   /* "-" signals that we need a separator. */
  60   if (strcmp (str, "-") == 0)
  61     widget = gtk_menu_item_new ();
  62   else
  63     widget = gtk_menu_item_new_with_label (str);
  64
  65   gtk_widget_show (widget);
  66
  67   gdk_threads_leave ();
  68
  69   (*env)->ReleaseStringUTFChars (env, label, str);
  70
  71   NSA_SET_PTR (env, obj, widget);
  72 }
  73
  74 JNIEXPORT void JNICALL
  75 Java_gnu_java_awt_peer_gtk_GtkMenuItemPeer_connectSignals
  76   (JNIEnv *env, jobject obj)
  77 {
  78   void *ptr = NSA_GET_PTR (env, obj);
  79   jobject *gref = NSA_GET_GLOBAL_REF (env, obj);
  80   g_assert (gref);
  81
  82   gdk_threads_enter ();
  83
  84   g_signal_connect (G_OBJECT (ptr), "activate",
  85                     G_CALLBACK (item_activate), *gref);
  86
  87   gdk_threads_leave ();
  88 }
  89
  90 JNIEXPORT void JNICALL
  91 Java_gnu_java_awt_peer_gtk_GtkMenuItemPeer_gtkWidgetModifyFont
  92   (JNIEnv *env, jobject obj, jstring name, jint style, jint size)
  93 {
  94   const char *font_name;
  95   void *ptr;
  96   GtkWidget *label;
  97   PangoFontDescription *font_desc;
  98
  99   ptr = NSA_GET_PTR (env, obj);
 100
 101   font_name = (*env)->GetStringUTFChars (env, name, NULL);
 102
 103   gdk_threads_enter();
 104
 105   label = gtk_bin_get_child (GTK_BIN (ptr));
 106
 107   if (label)
 108     {
 109       font_desc = pango_font_description_from_string (font_name);
 110       pango_font_description_set_size (font_desc, size * dpi_conversion_factor);
 111
 112       if (style & AWT_STYLE_BOLD)
 113         pango_font_description_set_weight (font_desc, PANGO_WEIGHT_BOLD);
 114
 115       if (style & AWT_STYLE_ITALIC)
 116         pango_font_description_set_style (font_desc, PANGO_STYLE_OBLIQUE);
 117
 118       gtk_widget_modify_font (GTK_WIDGET(label), font_desc);
 119
 120       pango_font_description_free (font_desc);
 121     }
 122
 123   gdk_threads_leave();
 124
 125   (*env)->ReleaseStringUTFChars (env, name, font_name);
 126 }
 127
 128 JNIEXPORT void JNICALL
 129 Java_gnu_java_awt_peer_gtk_GtkMenuItemPeer_setEnabled
 130   (JNIEnv *env, jobject obj, jboolean enabled)
 131 {
 132   void *ptr;
 133
 134   ptr = NSA_GET_PTR (env, obj);
 135
 136   gdk_threads_enter ();
 137   gtk_widget_set_sensitive (GTK_WIDGET (ptr), enabled);
 138   gdk_threads_leave ();
 139 }
 140
 141 JNIEXPORT void JNICALL
 142 Java_gnu_java_awt_peer_gtk_GtkMenuItemPeer_setLabel
 143   (JNIEnv *env, jobject obj, jstring label)
 144 {
 145   void *ptr;
 146   const char *str;
 147   GtkAccelLabel *accel_label;
 148
 149   ptr = NSA_GET_PTR (env, obj);
 150
 151   str = (*env)->GetStringUTFChars (env, label, NULL);
 152
 153   gdk_threads_enter ();
 154
 155   accel_label = GTK_ACCEL_LABEL (GTK_BIN (ptr)->child);
 156
 157   gtk_label_set_text (GTK_LABEL (accel_label), str);
 158   gtk_accel_label_refetch (accel_label);
 159
 160   gdk_threads_leave ();
 161
 162   (*env)->ReleaseStringUTFChars (env, label, str);
 163 }
 164
 165 static void
 166 item_activate (GtkMenuItem *item __attribute__((unused)), jobject peer_obj)
 167 {
 168   (*gdk_env())->CallVoidMethod (gdk_env(), peer_obj,
 169                               postMenuActionEventID);
 170 }