| /* gtkcheckboxpeer.c -- Native implementation of GtkCheckboxPeer |
| Copyright (C) 1998, 1999, 2002, 2003, 2004 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., 59 Temple Place, Suite 330, Boston, MA |
| 02111-1307 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" |
| |
| static void item_toggled (GtkToggleButton *item, jobject peer); |
| |
| JNIEXPORT void JNICALL |
| Java_gnu_java_awt_peer_gtk_GtkCheckboxPeer_create |
| (JNIEnv *env, jobject obj, jobject group) |
| { |
| GtkWidget *button; |
| |
| NSA_SET_GLOBAL_REF (env, obj); |
| |
| gdk_threads_enter (); |
| |
| if (group == NULL) |
| button = gtk_check_button_new_with_label (""); |
| else |
| { |
| void *native_group = NSA_GET_PTR (env, group); |
| button = gtk_radio_button_new_with_label_from_widget (native_group, ""); |
| if (native_group == NULL) |
| { |
| /* Set the native group so we can use the correct value the |
| next time around. FIXME: this doesn't work! */ |
| NSA_SET_PTR (env, group, button); |
| } |
| } |
| |
| gdk_threads_leave (); |
| |
| NSA_SET_PTR (env, obj, button); |
| } |
| |
| JNIEXPORT void JNICALL |
| Java_gnu_java_awt_peer_gtk_GtkCheckboxPeer_connectSignals |
| (JNIEnv *env, jobject obj) |
| { |
| void *ptr = NSA_GET_PTR (env, obj); |
| jobject *gref = NSA_GET_GLOBAL_REF (env, obj); |
| g_assert (gref); |
| |
| gdk_threads_enter (); |
| |
| g_signal_connect (G_OBJECT (ptr), "toggled", |
| GTK_SIGNAL_FUNC (item_toggled), *gref); |
| |
| gdk_threads_leave (); |
| |
| /* Connect the superclass signals. */ |
| Java_gnu_java_awt_peer_gtk_GtkComponentPeer_connectSignals (env, obj); |
| } |
| |
| JNIEXPORT void JNICALL |
| Java_gnu_java_awt_peer_gtk_GtkCheckboxPeer_nativeSetCheckboxGroup |
| (JNIEnv *env, jobject obj, jobject group) |
| { |
| GtkRadioButton *button; |
| void *native_group, *ptr; |
| |
| ptr = NSA_GET_PTR (env, obj); |
| |
| gdk_threads_enter (); |
| |
| /* FIXME: we can't yet switch between a checkbutton and a |
| radiobutton. However, AWT requires this. For now we just |
| crash. */ |
| |
| button = GTK_RADIO_BUTTON (ptr); |
| |
| native_group = NSA_GET_PTR (env, group); |
| if (native_group == NULL) |
| gtk_radio_button_set_group (button, NULL); |
| else |
| gtk_radio_button_set_group (button, |
| gtk_radio_button_group |
| (GTK_RADIO_BUTTON (native_group))); |
| |
| gdk_threads_leave (); |
| |
| /* If the native group wasn't set on the new CheckboxGroup, then set |
| it now so that the right thing will happen with the next |
| radiobutton. The native state for a CheckboxGroup is a pointer |
| to one of the widgets in the group. We are careful to keep this |
| always pointing at a live widget; whenever a widget is destroyed |
| (or otherwise removed from the group), the CheckboxGroup peer is |
| notified. */ |
| if (native_group == NULL) |
| NSA_SET_PTR (env, group, native_group); |
| } |
| |
| JNIEXPORT void JNICALL |
| Java_gnu_java_awt_peer_gtk_GtkCheckboxPeer_gtkToggleButtonSetActive |
| (JNIEnv *env, jobject obj, jboolean is_active) |
| { |
| void *ptr; |
| |
| ptr = NSA_GET_PTR (env, obj); |
| |
| gdk_threads_enter (); |
| |
| gtk_toggle_button_set_active (GTK_TOGGLE_BUTTON (ptr), 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; |
| |
| ptr = NSA_GET_PTR (env, obj); |
| |
| button = GTK_WIDGET (ptr); |
| label = gtk_bin_get_child (GTK_BIN(button)); |
| |
| if (!label) |
| return; |
| |
| font_name = (*env)->GetStringUTFChars (env, name, NULL); |
| |
| gdk_threads_enter(); |
| |
| font_desc = pango_font_description_from_string (font_name); |
| pango_font_description_set_size (font_desc, size * 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); |
| |
| gdk_threads_leave(); |
| |
| (*env)->ReleaseStringUTFChars (env, name, font_name); |
| } |
| |
| 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; |
| |
| ptr = NSA_GET_PTR (env, obj); |
| |
| c_label = (*env)->GetStringUTFChars (env, label, NULL); |
| |
| gdk_threads_enter (); |
| |
| label_widget = gtk_bin_get_child (GTK_BIN (ptr)); |
| gtk_label_set_text (GTK_LABEL (label_widget), c_label); |
| |
| gdk_threads_leave (); |
| |
| (*env)->ReleaseStringUTFChars (env, label, c_label); |
| } |
| |
| static void |
| item_toggled (GtkToggleButton *item, jobject peer) |
| { |
| (*gdk_env())->CallVoidMethod (gdk_env(), peer, |
| postItemEventID, |
| peer, |
| item->active ? |
| (jint) AWT_ITEM_SELECTED : |
| (jint) AWT_ITEM_DESELECTED); |
| } |