1 files changed, 407 insertions, 0 deletions
diff --git a/libjava/classpath/native/jni/gtk-peer/gnu_java_awt_peer_gtk_GtkCheckboxPeer.c b/libjava/classpath/native/jni/gtk-peer/gnu_java_awt_peer_gtk_GtkCheckboxPeer.c
new file mode 100644
index 000000000..96230aadf
--- /dev/null
+++ b/libjava/classpath/native/jni/gtk-peer/gnu_java_awt_peer_gtk_GtkCheckboxPeer.c
@@ -0,0 +1,407 @@
+/* gtkcheckboxpeer.c -- Native implementation of GtkCheckboxPeer
+   Copyright (C) 1998, 1999, 2002, 2003, 2004, 2006
+   Free Software Foundation, Inc.
+
+This file is part of GNU Classpath.
+
+GNU Classpath is free software; you can redistribute it and/or modify
+it under the terms of the GNU General Public License as published by
+the Free Software Foundation; either version 2, or (at your option)
+any later version.
+
+GNU Classpath is distributed in the hope that it will be useful, but
+WITHOUT ANY WARRANTY; without even the implied warranty of
+MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
+General Public License for more details.
+
+You should have received a copy of the GNU General Public License
+along with GNU Classpath; see the file COPYING.  If not, write to the
+Free Software Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA
+02110-1301 USA.
+
+Linking this library statically or dynamically with other modules is
+making a combined work based on this library.  Thus, the terms and
+conditions of the GNU General Public License cover the whole
+combination.
+
+As a special exception, the copyright holders of this library give you
+permission to link this library with independent modules to produce an
+executable, regardless of the license terms of these independent
+modules, and to copy and distribute the resulting executable under
+terms of your choice, provided that you also meet, for each linked
+independent module, the terms and conditions of the license of that
+module.  An independent module is a module which is not derived from
+or based on this library.  If you modify this library, you may extend
+this exception to your version of the library, but you are not
+obligated to do so.  If you do not wish to do so, delete this
+exception statement from your version. */
+
+
+#include "gtkpeer.h"
+#include "gnu_java_awt_peer_gtk_GtkCheckboxPeer.h"
+#include "gnu_java_awt_peer_gtk_GtkComponentPeer.h"
+#include "jcl.h"
+
+static jmethodID postItemEventID;
+static jmethodID addToGroupMapID;
+static GtkWidget *checkbox_get_widget (GtkWidget *widget);
+static void item_toggled_cb (GtkToggleButton *item, jobject peer);
+
+void
+cp_gtk_checkbox_init_jni (void)
+{
+  jclass gtkcheckboxpeer;
+
+  gtkcheckboxpeer = (*cp_gtk_gdk_env())->FindClass (cp_gtk_gdk_env(),
+                                             "gnu/java/awt/peer/gtk/GtkCheckboxPeer");
+
+  postItemEventID = (*cp_gtk_gdk_env())->GetMethodID (cp_gtk_gdk_env(), gtkcheckboxpeer,
+                                               "postItemEvent", 
+                                               "(Ljava/lang/Object;Z)V");
+  
+  addToGroupMapID = (*cp_gtk_gdk_env())->GetMethodID (cp_gtk_gdk_env(), gtkcheckboxpeer,
+                                               "addToGroupMap", 
+                                               "(J)V");
+}
+
+JNIEXPORT void JNICALL
+Java_gnu_java_awt_peer_gtk_GtkCheckboxPeer_connectSignals
+  (JNIEnv *env, jobject obj)
+{
+  void *ptr;
+  jobject gref;
+  GtkWidget *bin;
+
+  gdk_threads_enter ();
+
+  ptr = gtkpeer_get_widget (env, obj);
+  gref = gtkpeer_get_global_ref (env, obj);
+  bin = checkbox_get_widget (GTK_WIDGET (ptr));
+
+  /* Checkbox signals */
+  g_signal_connect (G_OBJECT (bin), "toggled",
+                    G_CALLBACK (item_toggled_cb), gref);
+
+  /* Component signals */
+  cp_gtk_component_connect_signals (G_OBJECT (bin), gref);
+
+  gdk_threads_leave ();
+}
+
+JNIEXPORT void JNICALL
+Java_gnu_java_awt_peer_gtk_GtkCheckboxPeer_gtkToggleButtonSetActive
+  (JNIEnv *env, jobject obj, jboolean is_active)
+{
+  void *ptr;
+  GtkWidget *bin;
+
+  gdk_threads_enter ();
+
+  ptr = gtkpeer_get_widget (env, obj);
+  bin = checkbox_get_widget (GTK_WIDGET (ptr));
+  
+  gtk_toggle_button_set_active (GTK_TOGGLE_BUTTON (bin), is_active);
+
+  gdk_threads_leave ();
+}
+
+JNIEXPORT void JNICALL
+Java_gnu_java_awt_peer_gtk_GtkCheckboxPeer_gtkWidgetModifyFont
+  (JNIEnv *env, jobject obj, jstring name, jint style, jint size)
+{
+  const char *font_name;
+  void *ptr;
+  GtkWidget *button;
+  GtkWidget *label;
+  PangoFontDescription *font_desc;
+
+  gdk_threads_enter();
+
+  ptr = gtkpeer_get_widget (env, obj);
+
+  button = checkbox_get_widget (GTK_WIDGET (ptr));
+  label = gtk_bin_get_child (GTK_BIN(button));
+
+  if (!label)
+    return;
+
+  font_name = (*env)->GetStringUTFChars (env, name, NULL);
+
+  font_desc = pango_font_description_from_string (font_name);
+  pango_font_description_set_size (font_desc,
+                                   size * cp_gtk_dpi_conversion_factor);
+
+  if (style & AWT_STYLE_BOLD)
+    pango_font_description_set_weight (font_desc, PANGO_WEIGHT_BOLD);
+
+  if (style & AWT_STYLE_ITALIC)
+    pango_font_description_set_style (font_desc, PANGO_STYLE_OBLIQUE);
+  
+  gtk_widget_modify_font (GTK_WIDGET(label), font_desc);
+  
+  pango_font_description_free (font_desc);
+  
+  (*env)->ReleaseStringUTFChars (env, name, font_name);
+  
+  gdk_threads_leave();
+}
+
+JNIEXPORT void JNICALL
+Java_gnu_java_awt_peer_gtk_GtkCheckboxPeer_gtkButtonSetLabel
+  (JNIEnv *env, jobject obj, jstring label)
+{
+  const char *c_label;
+  GtkWidget *label_widget;
+  void *ptr;
+
+  gdk_threads_enter ();
+
+  ptr = gtkpeer_get_widget (env, obj);
+
+  c_label = (*env)->GetStringUTFChars (env, label, NULL);
+
+  label_widget = gtk_bin_get_child (GTK_BIN (checkbox_get_widget (GTK_WIDGET (ptr))));
+  gtk_label_set_text (GTK_LABEL (label_widget), c_label);
+
+  (*env)->ReleaseStringUTFChars (env, label, c_label);
+
+  gdk_threads_leave ();
+}
+
+/* A check button is created if we are not part of 
+   a group. 
+   This function is called when initially creating the
+   button, so an eventbox is created.
+ */
+JNIEXPORT void JNICALL 
+Java_gnu_java_awt_peer_gtk_GtkCheckboxPeer_createCheckButton 
+  (JNIEnv *env, jobject obj)
+{
+  GtkWidget *button;
+  GtkWidget *eventbox;
+
+  gdk_threads_enter ();
+
+  gtkpeer_set_global_ref (env, obj);
+  eventbox = gtk_event_box_new ();
+
+  button = gtk_check_button_new_with_label ("");
+  gtk_container_add (GTK_CONTAINER (eventbox), button);
+  gtk_widget_show (button); 
+
+  gtkpeer_set_widget (env, obj, eventbox);
+
+  gdk_threads_leave ();
+}
+
+/* A radio button is created if we are part of a group. 
+   groupPointer points to the corresponding group. If 0,
+   a new group is created.
+   This function is called when initially creating the
+   button, so an eventbox is created.
+ */
+JNIEXPORT void JNICALL 
+Java_gnu_java_awt_peer_gtk_GtkCheckboxPeer_createRadioButton 
+  (JNIEnv *env, jobject obj, jlong groupPointer)
+{
+  GtkWidget *button;
+  GtkWidget *eventbox;
+  GSList *native_group = NULL;
+  
+  gdk_threads_enter ();
+
+  gtkpeer_set_global_ref (env, obj);
+  eventbox = gtk_event_box_new ();
+
+  if (groupPointer != 0)
+  {
+    native_group = JLONG_TO_PTR (GSList, groupPointer);
+    g_assert (GTK_IS_RADIO_BUTTON (native_group->data));
+  }
+  button = gtk_radio_button_new_with_label (native_group, "");
+  
+  if (native_group == NULL)
+    native_group = gtk_radio_button_get_group (GTK_RADIO_BUTTON (button));
+  if (g_slist_index (native_group, GTK_RADIO_BUTTON (button)) == -1)
+  {
+    native_group = g_slist_prepend (native_group, GTK_RADIO_BUTTON (button));
+    GTK_RADIO_BUTTON(button)->group = native_group;  
+  }
+  
+  gtk_container_add (GTK_CONTAINER (eventbox), button);
+  gtk_widget_show (button);
+  
+  gtkpeer_set_widget (env, obj, eventbox);
+  
+  (*cp_gtk_gdk_env())->CallVoidMethod (cp_gtk_gdk_env(), obj,
+                                addToGroupMapID,
+                                PTR_TO_JLONG (native_group));
+  
+  gdk_threads_leave ();
+}
+
+/* Add the object to the group pointed to by groupPointer.
+   If groupPointer is 0, create a new group and create
+   a radio button. Otherwise, creating a radio button in an
+   existing group.
+ */
+JNIEXPORT void JNICALL 
+Java_gnu_java_awt_peer_gtk_GtkCheckboxPeer_addToGroup 
+  (JNIEnv *env, jobject obj, jlong groupPointer)
+{
+  void *ptr;
+  GtkWidget *container;
+  GtkWidget *check_button;
+  GtkWidget *radio_button;
+  const gchar *label;
+  GSList *native_group = NULL;
+
+  gdk_threads_enter ();
+
+  ptr = gtkpeer_get_widget (env, obj);
+  container = GTK_WIDGET (ptr);
+  check_button = checkbox_get_widget (container);
+  label = gtk_label_get_text (GTK_LABEL (gtk_bin_get_child 
+                                        (GTK_BIN (check_button))));
+                                        
+  /* Need to remove the check_button, and replace it with 
+     a radio button in a group.
+   */
+  if (groupPointer != 0)
+    {
+      native_group = JLONG_TO_PTR (GSList, groupPointer);
+      g_assert (GTK_IS_RADIO_BUTTON (native_group->data));
+    }
+      
+  radio_button = gtk_radio_button_new_with_label (native_group, label);
+  gtk_toggle_button_set_active (GTK_TOGGLE_BUTTON (radio_button), 
+             gtk_toggle_button_get_active (GTK_TOGGLE_BUTTON (check_button)));
+  
+  if (native_group == NULL)
+    native_group = gtk_radio_button_get_group (GTK_RADIO_BUTTON (radio_button));
+  if (g_slist_index (native_group, GTK_RADIO_BUTTON (radio_button)) == -1)
+  {
+    native_group = g_slist_prepend (native_group, GTK_RADIO_BUTTON (radio_button));
+    GTK_RADIO_BUTTON(radio_button)->group = native_group;
+  }
+             
+  gtk_container_remove (GTK_CONTAINER (container), check_button);
+  gtk_container_add (GTK_CONTAINER (container), radio_button);
+  gtk_widget_show (radio_button);
+  
+  (*cp_gtk_gdk_env())->CallVoidMethod (cp_gtk_gdk_env(), obj,
+                                addToGroupMapID,
+                                PTR_TO_JLONG (native_group));
+  
+  gdk_threads_leave ();
+}
+
+/* Remove the object from the group pointed to by groupPointer.
+   We are removing the radio button and creating a check button. 
+ */
+JNIEXPORT void JNICALL 
+Java_gnu_java_awt_peer_gtk_GtkCheckboxPeer_removeFromGroup 
+  (JNIEnv *env, jobject obj)
+{
+  void *ptr;
+  GtkWidget *container;
+  GtkWidget *check_button;
+  GtkWidget *radio_button;
+  GSList *native_group;
+  const gchar *label;
+    
+  gdk_threads_enter ();
+
+  ptr = gtkpeer_get_widget (env, obj);
+  container = GTK_WIDGET (ptr);
+  radio_button = checkbox_get_widget (container);
+  label = gtk_label_get_text (GTK_LABEL (gtk_bin_get_child 
+                                        (GTK_BIN (radio_button))));
+                                        
+  /* Need to remove the radio_button, and replace it with 
+     a check button.
+   */   
+  check_button = gtk_check_button_new_with_label (label);
+  gtk_toggle_button_set_active (GTK_TOGGLE_BUTTON (check_button), 
+             gtk_toggle_button_get_active (GTK_TOGGLE_BUTTON (radio_button))); 
+             
+  native_group = gtk_radio_button_get_group (GTK_RADIO_BUTTON (radio_button));
+  native_group = g_slist_remove (native_group, GTK_RADIO_BUTTON (radio_button));
+  
+  if (native_group && ! GTK_IS_RADIO_BUTTON (native_group->data))
+    native_group = NULL;
+  
+  GTK_RADIO_BUTTON(radio_button)->group = NULL;
+  
+  gtk_container_remove (GTK_CONTAINER (container), radio_button);  
+  gtk_container_add (GTK_CONTAINER (container), check_button);
+  gtk_widget_show (check_button);
+  
+  (*cp_gtk_gdk_env())->CallVoidMethod (cp_gtk_gdk_env(), obj,
+                                addToGroupMapID,
+                                PTR_TO_JLONG (native_group));
+  
+  gdk_threads_leave ();
+}
+
+/* Move the radio button to a new group. If groupPointer is
+   0, create a new group.
+ */
+JNIEXPORT void JNICALL 
+Java_gnu_java_awt_peer_gtk_GtkCheckboxPeer_switchToGroup 
+  (JNIEnv *env, jobject obj, jlong groupPointer)
+{
+  void *ptr;
+  GtkWidget *radio_button;
+  GSList *native_group = NULL;
+  
+  gdk_threads_enter ();
+
+  ptr = gtkpeer_get_widget (env, obj);
+  radio_button = checkbox_get_widget (GTK_WIDGET (ptr));
+  
+  native_group = gtk_radio_button_get_group (GTK_RADIO_BUTTON (radio_button));
+  native_group = g_slist_remove (native_group, GTK_RADIO_BUTTON (radio_button));
+  GTK_RADIO_BUTTON(radio_button)->group = NULL;
+  
+  if (groupPointer != 0)
+  {
+    native_group = JLONG_TO_PTR (GSList, groupPointer);
+    g_assert (GTK_IS_RADIO_BUTTON (native_group->data));
+  }
+  gtk_radio_button_set_group (GTK_RADIO_BUTTON (radio_button), native_group);
+  
+  native_group = gtk_radio_button_get_group (GTK_RADIO_BUTTON (radio_button));
+  if (g_slist_index (native_group, GTK_RADIO_BUTTON (radio_button)) == -1)
+  {
+    native_group = g_slist_prepend (native_group, GTK_RADIO_BUTTON (radio_button));
+    GTK_RADIO_BUTTON(radio_button)->group = native_group;
+  }
+   
+  (*cp_gtk_gdk_env())->CallVoidMethod (cp_gtk_gdk_env(), obj,
+                                addToGroupMapID,
+                                PTR_TO_JLONG (native_group));
+  
+  gdk_threads_leave ();
+}
+
+static void
+item_toggled_cb (GtkToggleButton *item, jobject peer)
+{
+  (*cp_gtk_gdk_env())->CallVoidMethod (cp_gtk_gdk_env(), peer,
+                                postItemEventID,
+                                peer,
+                                item->active);
+}
+
+static GtkWidget *
+checkbox_get_widget (GtkWidget *widget)
+{
+  GtkWidget *wid;
+
+  g_assert (GTK_IS_EVENT_BOX (widget));
+  wid = gtk_bin_get_child (GTK_BIN(widget));
+
+  return wid;
+}
+