206 lines
6.1 KiB
C
206 lines
6.1 KiB
C
/* gtkcheckboxpeer.c -- Native implementation of GtkCheckboxPeer
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Copyright (C) 1998, 1999, 2002, 2003, 2004 Free Software Foundation, Inc.
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This file is part of GNU Classpath.
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GNU Classpath is free software; you can redistribute it and/or modify
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it under the terms of the GNU General Public License as published by
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the Free Software Foundation; either version 2, or (at your option)
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any later version.
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GNU Classpath is distributed in the hope that it will be useful, but
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WITHOUT ANY WARRANTY; without even the implied warranty of
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MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
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General Public License for more details.
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You should have received a copy of the GNU General Public License
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along with GNU Classpath; see the file COPYING. If not, write to the
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Free Software Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA
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02111-1307 USA.
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Linking this library statically or dynamically with other modules is
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making a combined work based on this library. Thus, the terms and
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conditions of the GNU General Public License cover the whole
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combination.
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As a special exception, the copyright holders of this library give you
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permission to link this library with independent modules to produce an
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executable, regardless of the license terms of these independent
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modules, and to copy and distribute the resulting executable under
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terms of your choice, provided that you also meet, for each linked
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independent module, the terms and conditions of the license of that
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module. An independent module is a module which is not derived from
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or based on this library. If you modify this library, you may extend
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this exception to your version of the library, but you are not
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obligated to do so. If you do not wish to do so, delete this
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exception statement from your version. */
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#include "gtkpeer.h"
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#include "gnu_java_awt_peer_gtk_GtkCheckboxPeer.h"
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#include "gnu_java_awt_peer_gtk_GtkComponentPeer.h"
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static void item_toggled (GtkToggleButton *item, jobject peer);
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JNIEXPORT void JNICALL
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Java_gnu_java_awt_peer_gtk_GtkCheckboxPeer_nativeCreate
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(JNIEnv *env, jobject obj, jobject group, jboolean state)
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{
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GtkWidget *button;
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/* Create global reference and save it for future use */
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NSA_SET_GLOBAL_REF (env, obj);
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gdk_threads_enter ();
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if (group == NULL)
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button = gtk_check_button_new_with_label ("");
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else
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{
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void *native_group = NSA_GET_PTR (env, group);
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button = gtk_radio_button_new_with_label_from_widget (native_group, "");
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if (native_group == NULL)
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{
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/* Set the native group so we can use the correct value the
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next time around. FIXME: this doesn't work! */
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NSA_SET_PTR (env, group, button);
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}
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}
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gtk_toggle_button_set_active (GTK_TOGGLE_BUTTON (button), state);
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gdk_threads_leave ();
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NSA_SET_PTR (env, obj, button);
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}
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JNIEXPORT void JNICALL
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Java_gnu_java_awt_peer_gtk_GtkCheckboxPeer_connectSignals
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(JNIEnv *env, jobject obj)
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{
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void *ptr = NSA_GET_PTR (env, obj);
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jobject *gref = NSA_GET_GLOBAL_REF (env, obj);
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g_assert (gref);
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gdk_threads_enter ();
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g_signal_connect (G_OBJECT (ptr), "toggled",
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GTK_SIGNAL_FUNC (item_toggled), *gref);
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gdk_threads_leave ();
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/* Connect the superclass signals. */
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Java_gnu_java_awt_peer_gtk_GtkComponentPeer_connectSignals (env, obj);
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}
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JNIEXPORT void JNICALL
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Java_gnu_java_awt_peer_gtk_GtkCheckboxPeer_nativeSetCheckboxGroup
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(JNIEnv *env, jobject obj, jobject group)
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{
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GtkRadioButton *button;
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void *native_group, *ptr;
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ptr = NSA_GET_PTR (env, obj);
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gdk_threads_enter ();
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/* FIXME: we can't yet switch between a checkbutton and a
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radiobutton. However, AWT requires this. For now we just
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crash. */
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button = GTK_RADIO_BUTTON (ptr);
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native_group = NSA_GET_PTR (env, group);
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if (native_group == NULL)
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gtk_radio_button_set_group (button, NULL);
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else
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gtk_radio_button_set_group (button,
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gtk_radio_button_group
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(GTK_RADIO_BUTTON (native_group)));
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gdk_threads_leave ();
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/* If the native group wasn't set on the new CheckboxGroup, then set
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it now so that the right thing will happen with the next
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radiobutton. The native state for a CheckboxGroup is a pointer
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to one of the widgets in the group. We are careful to keep this
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always pointing at a live widget; whenever a widget is destroyed
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(or otherwise removed from the group), the CheckboxGroup peer is
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notified. */
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if (native_group == NULL)
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NSA_SET_PTR (env, group, native_group);
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}
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JNIEXPORT void JNICALL
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Java_gnu_java_awt_peer_gtk_GtkCheckboxPeer_gtkSetFont
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(JNIEnv *env, jobject obj, jstring name, jint style, jint size)
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{
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const char *font_name;
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void *ptr;
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GtkWidget *button;
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GtkWidget *label;
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PangoFontDescription *font_desc;
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ptr = NSA_GET_PTR (env, obj);
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button = GTK_WIDGET (ptr);
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label = gtk_bin_get_child (GTK_BIN(button));
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if (!label)
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return;
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font_name = (*env)->GetStringUTFChars (env, name, NULL);
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gdk_threads_enter();
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font_desc = pango_font_description_from_string (font_name);
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pango_font_description_set_size (font_desc, size * dpi_conversion_factor);
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if (style & AWT_STYLE_BOLD)
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pango_font_description_set_weight (font_desc, PANGO_WEIGHT_BOLD);
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if (style & AWT_STYLE_ITALIC)
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pango_font_description_set_style (font_desc, PANGO_STYLE_OBLIQUE);
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gtk_widget_modify_font (GTK_WIDGET(label), font_desc);
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pango_font_description_free (font_desc);
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gdk_threads_leave();
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(*env)->ReleaseStringUTFChars (env, name, font_name);
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}
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JNIEXPORT void JNICALL
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Java_gnu_java_awt_peer_gtk_GtkCheckboxPeer_gtkSetLabel
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(JNIEnv *env, jobject obj, jstring label)
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{
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const char *str;
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void *ptr;
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GtkWidget *label_widget;
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ptr = NSA_GET_PTR (env, obj);
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label_widget = gtk_bin_get_child (GTK_BIN(ptr));
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str = (*env)->GetStringUTFChars (env, label, 0);
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gdk_threads_enter ();
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gtk_label_set_label (GTK_LABEL (label_widget), str);
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gdk_threads_leave ();
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(*env)->ReleaseStringUTFChars (env, label, str);
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}
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static void
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item_toggled (GtkToggleButton *item, jobject peer)
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{
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(*gdk_env)->CallVoidMethod (gdk_env, peer,
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postItemEventID,
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peer,
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item->active ?
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(jint) AWT_ITEM_SELECTED :
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(jint) AWT_ITEM_DESELECTED);
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}
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