| /* 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 = NSA_GET_PTR (env, obj); |
| gref = NSA_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 = NSA_GET_PTR (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 = NSA_GET_PTR (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 = NSA_GET_PTR (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 (); |
| |
| NSA_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); |
| |
| NSA_SET_PTR (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 (); |
| |
| NSA_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); |
| |
| NSA_SET_PTR (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 = NSA_GET_PTR (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 = NSA_GET_PTR (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 = NSA_GET_PTR (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; |
| } |
| |