libjava/jni/gtk-peer/gnu_java_awt_peer_gtk_GtkButtonPeer.c

   1 /* gtkbuttonpeer.c -- Native implementation of GtkButtonPeer
   2    Copyright (C) 1998, 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_GtkComponentPeer.h"
  41 #include "gnu_java_awt_peer_gtk_GtkButtonPeer.h"
  42
  43 JNIEXPORT void JNICALL
  44 Java_gnu_java_awt_peer_gtk_GtkButtonPeer_create
  45   (JNIEnv *env, jobject obj)
  46 {
  47   GtkWidget *button;
  48
  49   /* Create global reference and save it for future use */
  50   NSA_SET_GLOBAL_REF (env, obj);
  51
  52   gdk_threads_enter ();
  53
  54   button = gtk_button_new();
  55   gtk_widget_show (button);
  56
  57   gdk_threads_leave ();
  58
  59   NSA_SET_PTR (env, obj, button);
  60 }
  61
  62 JNIEXPORT void JNICALL
  63 Java_gnu_java_awt_peer_gtk_GtkButtonPeer_connectJObject
  64   (JNIEnv *env, jobject obj)
  65 {
  66   void *ptr;
  67
  68   ptr = NSA_GET_PTR (env, obj);
  69
  70   gdk_threads_enter ();
  71
  72   gtk_widget_realize (GTK_WIDGET (ptr));
  73
  74   connect_awt_hook (env, obj, 1, GTK_BUTTON(ptr)->event_window);
  75
  76   gdk_threads_leave ();
  77 }
  78
  79 JNIEXPORT void JNICALL
  80 Java_gnu_java_awt_peer_gtk_GtkButtonPeer_connectSignals
  81   (JNIEnv *env, jobject obj)
  82 {
  83   /* FIXME: Do we need to connect any signals here? Otherwise just do not
  84      override parent method. */
  85
  86   /* Connect the superclass signals.  */
  87   Java_gnu_java_awt_peer_gtk_GtkComponentPeer_connectSignals (env, obj);
  88 }
  89
  90 JNIEXPORT void JNICALL
  91 Java_gnu_java_awt_peer_gtk_GtkButtonPeer_gtkSetFont
  92   (JNIEnv *env, jobject obj, jstring name, jint style, jint size)
  93 {
  94   const char *font_name;
  95   void *ptr;
  96   GtkWidget *button;
  97   GtkWidget *label;
  98   PangoFontDescription *font_desc;
  99
 100   ptr = NSA_GET_PTR (env, obj);
 101
 102   button = GTK_WIDGET (ptr);
 103   label = gtk_bin_get_child (GTK_BIN(button));
 104
 105   if (!label)
 106       return;
 107
 108   font_name = (*env)->GetStringUTFChars (env, name, NULL);
 109
 110   gdk_threads_enter();
 111
 112   font_desc = pango_font_description_from_string (font_name);
 113   pango_font_description_set_size (font_desc, size * PANGO_SCALE);
 114
 115   if (style & AWT_STYLE_BOLD)
 116     pango_font_description_set_weight (font_desc, PANGO_WEIGHT_BOLD);
 117
 118   if (style & AWT_STYLE_ITALIC)
 119     pango_font_description_set_style (font_desc, PANGO_STYLE_OBLIQUE);
 120
 121   gtk_widget_modify_font (GTK_WIDGET(label), font_desc);
 122
 123   pango_font_description_free (font_desc);
 124
 125   gdk_threads_leave();
 126
 127   (*env)->ReleaseStringUTFChars (env, name, font_name);
 128 }
 129
 130 JNIEXPORT void JNICALL
 131 Java_gnu_java_awt_peer_gtk_GtkButtonPeer_gtkWidgetSetForeground
 132   (JNIEnv *env, jobject obj, jint red, jint green, jint blue)
 133 {
 134   GdkColor color;
 135   GtkWidget *label;
 136   void *ptr;
 137
 138   ptr = NSA_GET_PTR (env, obj);
 139
 140   color.red = (red / 255.0) * 65535;
 141   color.green = (green / 255.0) * 65535;
 142   color.blue = (blue / 255.0) * 65535;
 143
 144   gdk_threads_enter ();
 145
 146   label = gtk_bin_get_child (GTK_BIN(ptr));
 147
 148   if (!label)
 149       return;
 150
 151   gtk_widget_modify_fg (label, GTK_STATE_NORMAL, &color);
 152   gtk_widget_modify_fg (label, GTK_STATE_ACTIVE, &color);
 153   gtk_widget_modify_fg (label, GTK_STATE_PRELIGHT, &color);
 154
 155   gdk_threads_leave ();
 156 }