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Choice.java (add): Leave posting of ItemEvents to peer.

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2004-01-05  Fernando Nasser  <fnasser@redhat.com>

        * java/awt/Choice.java (add): Leave posting of ItemEvents to peer.
        (insert): Ditto.
        (remove): Ditto.  Also, Check for valid argument.
        (removeAll): Use peer interface method.
        * gnu/java/awt/peer/gtk/GtkChoicePeer.java (nativeAdd): New name for
        native add function.
        (nativeRemove): New name for native remove function.
        (getHistory): New native function.
        (constructor): Generate ItemEvent.
        (add): Ditto, if selection is changed.
        (remove): Ditto, ditto.
        (removeAll): Add implementation.
        (handleEvent): Remove.  Dead code.
        (choicePostItemEvent): Add comment.
        * jni/gtk-peer/gnu_java_awt_peer_gtk_GtkChoicePeer.c
        (Java_gnu_java_awt_peer_gtk_GtkChoicePeer_append): Add comments.
        (Java_gnu_java_awt_peer_gtk_GtkChoicePeer_add): Rename to...
        (Java_gnu_java_awt_peer_gtk_GtkChoicePeer_nativeAdd): New name.  Add
        comments and fix condition to change selection.
        (Java_gnu_java_awt_peer_gtk_GtkChoicePeer_remove): Rename to...
        (Java_gnu_java_awt_peer_gtk_GtkChoicePeer_nativeRemove): New name.  Add
        remove all capability.
        (Java_gnu_java_awt_peer_gtk_GtkChoicePeer_getHistory): New function.
        (item_activate): Add cast to remove compiler warning.

From-SVN: r75443
This commit is contained in:
Fernando Nasser 2004-01-05 21:18:06 +00:00 committed by Fernando Nasser
parent b17fc9eb25
commit b7a9b4af03
4 changed files with 157 additions and 75 deletions
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27
libjava/ChangeLog
View File

@ -1,3 +1,30 @@
2004-01-05 Fernando Nasser <fnasser@redhat.com>
* java/awt/Choice.java (add): Leave posting of ItemEvents to peer.
(insert): Ditto.
(remove): Ditto. Also, Check for valid argument.
(removeAll): Use peer interface method.
* gnu/java/awt/peer/gtk/GtkChoicePeer.java (nativeAdd): New name for
native add function.
(nativeRemove): New name for native remove function.
(getHistory): New native function.
(constructor): Generate ItemEvent.
(add): Ditto, if selection is changed.
(remove): Ditto, ditto.
(removeAll): Add implementation.
(handleEvent): Remove. Dead code.
(choicePostItemEvent): Add comment.
* jni/gtk-peer/gnu_java_awt_peer_gtk_GtkChoicePeer.c
(Java_gnu_java_awt_peer_gtk_GtkChoicePeer_append): Add comments.
(Java_gnu_java_awt_peer_gtk_GtkChoicePeer_add): Rename to...
(Java_gnu_java_awt_peer_gtk_GtkChoicePeer_nativeAdd): New name. Add
comments and fix condition to change selection.
(Java_gnu_java_awt_peer_gtk_GtkChoicePeer_remove): Rename to...
(Java_gnu_java_awt_peer_gtk_GtkChoicePeer_nativeRemove): New name. Add
remove all capability.
(Java_gnu_java_awt_peer_gtk_GtkChoicePeer_getHistory): New function.
(item_activate): Add cast to remove compiler warning.
2004-01-05 Thomas Fitzsimmons <fitzsim@redhat.com>
* gnu/java/awt/peer/gtk/GtkComponentPeer.java,

67
libjava/gnu/java/awt/peer/gtk/GtkChoicePeer.java
View File

@ -38,6 +38,7 @@ exception statement from your version. */
package gnu.java.awt.peer.gtk;
import java.awt.AWTEvent;
import java.awt.Choice;
import java.awt.event.ItemEvent;
import java.awt.peer.ChoicePeer;
@ -45,8 +46,6 @@ import java.awt.peer.ChoicePeer;
public class GtkChoicePeer extends GtkComponentPeer
implements ChoicePeer
{
native void create ();
public GtkChoicePeer (Choice c)
{
super (c);
@ -59,35 +58,71 @@ public class GtkChoicePeer extends GtkComponentPeer
items[i] = c.getItem (i);
append (items);
// Must set our state before notifying listeners
((Choice) awtComponent).select (c.getItem (0));
postItemEvent (c.getItem (0), ItemEvent.SELECTED);
}
}
native void append (String items[]);
native void create ();
native void append (String items[]);
native int getHistory ();
native void nativeAdd (String item, int index);
native void nativeRemove (int index);
native public void add (String item, int index);
native public void remove (int index);
native public void select (int position);
public void removeAll () { }
public void add (String item, int index)
{
int before = getHistory();
nativeAdd (item, index);
/* Generate an ItemEvent if we added the first one or
if we inserted at or before the currently selected item. */
if ((before < 0) || (before >= index))
{
// Must set our state before notifying listeners
((Choice) awtComponent).select (((Choice) awtComponent).getItem (0));
postItemEvent (((Choice) awtComponent).getItem (0), ItemEvent.SELECTED);
}
}
public void remove (int index)
{
int before = getHistory();
int after;
nativeRemove (index);
after = getHistory();
/* Generate an ItemEvent if we are removing the currently selected item
and there are at least one item left. */
if ((before == index) && (after >= 0))
{
// Must set our state before notifying listeners
((Choice) awtComponent).select (((Choice) awtComponent).getItem (0));
postItemEvent (((Choice) awtComponent).getItem (0), ItemEvent.SELECTED);
}
}
public void removeAll ()
{
nativeRemove (-1);
}
public void addItem (String item, int position)
{
add (item, position);
}
/*
public void handleEvent (AWTEvent event)
{
if (event instanceof ItemEvent)
((Choice) awtComponent).select ((String) ((ItemEvent)event).getItem ());
super.handleEvent (event);
}
*/
protected void choicePostItemEvent (String label, int stateChange)
{
// Must set our state before notifying listeners
if (stateChange == ItemEvent.SELECTED)
((Choice) awtComponent).select (label);
super.postItemEvent (label, stateChange);
postItemEvent (label, stateChange);
}
}

58
libjava/java/awt/Choice.java
View File

@ -169,17 +169,6 @@ add(String item)
ChoicePeer cp = (ChoicePeer) peer;
cp.add (item, i);
}
if (i == 0)
{
selectedIndex = 0;
// We must generate an ItemEvent here
Toolkit.getDefaultToolkit().getSystemEventQueue().postEvent (
new ItemEvent ((ItemSelectable)this,
ItemEvent.ITEM_STATE_CHANGED,
getItem(0),
ItemEvent.SELECTED));
}
}
/*************************************************************************/
@ -229,17 +218,6 @@ insert(String item, int index)
ChoicePeer cp = (ChoicePeer) peer;
cp.add (item, index);
}
if (getItemCount () == 1 || selectedIndex >= index)
{
select (0);
// We must generate an ItemEvent here
Toolkit.getDefaultToolkit().getSystemEventQueue().postEvent (
new ItemEvent ((ItemSelectable)this,
ItemEvent.ITEM_STATE_CHANGED,
getItem(0),
ItemEvent.SELECTED));
}
}
/*************************************************************************/
@ -273,6 +251,9 @@ remove(String item)
public synchronized void
remove(int index)
{
if ((index < 0) || (index > getItemCount()))
throw new IllegalArgumentException("Bad index: " + index);
pItems.removeElementAt(index);
if (peer != null)
@ -281,17 +262,7 @@ remove(int index)
cp.remove (index);
}
if ((index == selectedIndex) && (getItemCount() > 0))
{
select (0);
// We must generate an ItemEvent here
Toolkit.getDefaultToolkit().getSystemEventQueue().postEvent (
new ItemEvent ((ItemSelectable)this,
ItemEvent.ITEM_STATE_CHANGED,
getItem(0),
ItemEvent.SELECTED));
}
else if (selectedIndex > index)
if (selectedIndex > index)
--selectedIndex;
}
@ -303,26 +274,15 @@ remove(int index)
public synchronized void
removeAll()
{
int count = getItemCount();
if (count <= 0)
if (getItemCount() <= 0)
return;
ChoicePeer cp = (ChoicePeer) peer;
pItems.removeAllElements ();
// Select the first item to prevent an spurious ItemEvent to be generated
if (cp != null)
if (peer != null)
{
cp.select (0);
selectedIndex = 0; // Just to keep consistent
}
for (int i = (count - 1); i >= 0; i--)
{
// Always remove the last to avoid generation of ItemEvents.
pItems.removeElementAt(i);
if (cp != null)
cp.remove (i);
ChoicePeer cp = (ChoicePeer) peer;
cp.removeAll ();
}
selectedIndex = -1;

80
libjava/jni/gtk-peer/gnu_java_awt_peer_gtk_GtkChoicePeer.c
View File

@ -85,9 +85,11 @@ Java_gnu_java_awt_peer_gtk_GtkChoicePeer_append
ptr = NSA_GET_PTR (env, obj);
gdk_threads_enter ();
menu = GTK_MENU (gtk_option_menu_get_menu (GTK_OPTION_MENU (ptr)));
if (!gtk_container_children (GTK_CONTAINER (menu)))
/* Are we adding the first element? */
if (gtk_option_menu_get_history (GTK_OPTION_MENU (ptr)) < 0)
need_set_history = 1;
count = (*env)->GetArrayLength (env, items);
@ -110,7 +112,8 @@ Java_gnu_java_awt_peer_gtk_GtkChoicePeer_append
(*env)->ReleaseStringUTFChars (env, item, label);
}
/* If we just added the first element select it. */
if (need_set_history)
gtk_option_menu_set_history (GTK_OPTION_MENU (ptr), 0);
@ -118,12 +121,13 @@ Java_gnu_java_awt_peer_gtk_GtkChoicePeer_append
}
JNIEXPORT void JNICALL
Java_gnu_java_awt_peer_gtk_GtkChoicePeer_add
Java_gnu_java_awt_peer_gtk_GtkChoicePeer_nativeAdd
(JNIEnv *env, jobject obj, jstring item, jint index)
{
void *ptr;
const char *label;
GtkWidget *menu, *menuitem;
int current;
int need_set_history = 0;
ptr = NSA_GET_PTR (env, obj);
@ -131,17 +135,24 @@ Java_gnu_java_awt_peer_gtk_GtkChoicePeer_add
label = (*env)->GetStringUTFChars (env, item, 0);
gdk_threads_enter ();
menu = gtk_option_menu_get_menu (GTK_OPTION_MENU (ptr));
current = gtk_option_menu_get_history (GTK_OPTION_MENU (ptr));
if (!gtk_container_children (GTK_CONTAINER (menu)))
/* Are we adding the first element or below or at the currently
selected one? */
if ((current < 0) || (current >= index))
need_set_history = 1;
menu = gtk_option_menu_get_menu (GTK_OPTION_MENU (ptr));
menuitem = gtk_menu_item_new_with_label (label);
gtk_menu_insert (GTK_MENU (menu), menuitem, index);
gtk_widget_show (menuitem);
connect_choice_item_selectable_hook (env, obj, GTK_ITEM (menuitem), label);
/* If we just added the first element select it.
If we added at of below the currently selected position make
the first item the selected one. */
if (need_set_history)
gtk_option_menu_set_history (GTK_OPTION_MENU (ptr), 0);
@ -151,13 +162,15 @@ Java_gnu_java_awt_peer_gtk_GtkChoicePeer_add
}
JNIEXPORT void JNICALL
Java_gnu_java_awt_peer_gtk_GtkChoicePeer_remove
Java_gnu_java_awt_peer_gtk_GtkChoicePeer_nativeRemove
(JNIEnv *env, jobject obj, jint index)
{
void *ptr;
GtkContainer *menu;
GtkWidget *menuitem;
GList *children;
int need_set_history = 0;
int i, from, to;
ptr = NSA_GET_PTR (env, obj);
@ -165,9 +178,38 @@ Java_gnu_java_awt_peer_gtk_GtkChoicePeer_remove
menu = GTK_CONTAINER (gtk_option_menu_get_menu (GTK_OPTION_MENU (ptr)));
children = gtk_container_children (menu);
menuitem = GTK_WIDGET (g_list_nth (children, index)->data);
gtk_container_remove (menu, menuitem);
gtk_widget_destroy (menuitem);
if (index == -1)
{
/* Remove all elements (removeAll) */
from = g_list_length (children) - 1;
to = 0;
/* Select the first item to prevent spurious activate signals */
gtk_option_menu_set_history (GTK_OPTION_MENU (ptr), 0);
}
else
{
/* Remove the specific index element */
from = index;
to = index;
/* Are we removing the currently selected element? */
if (gtk_option_menu_get_history (GTK_OPTION_MENU (ptr)) == index)
need_set_history = 1;
}
for (i = from; i >= to; i--)
{
menuitem = GTK_WIDGET (g_list_nth (children, i)->data);
gtk_container_remove (menu, menuitem);
gtk_widget_destroy (menuitem);
}
/* If we just removed the currently selected element and there are
still elements left in the list, make the first item the selected one. */
if (need_set_history && gtk_container_children (menu))
gtk_option_menu_set_history (GTK_OPTION_MENU (ptr), 0);
gdk_threads_leave ();
}
@ -185,6 +227,24 @@ Java_gnu_java_awt_peer_gtk_GtkChoicePeer_select
gdk_threads_leave ();
}
JNIEXPORT jint JNICALL
Java_gnu_java_awt_peer_gtk_GtkChoicePeer_getHistory
(JNIEnv *env, jobject obj)
{
void *ptr;
int index;
ptr = NSA_GET_PTR (env, obj);
gdk_threads_enter ();
index = gtk_option_menu_get_history (GTK_OPTION_MENU (ptr));
gdk_threads_leave ();
return index;
}
static void
item_activate (GtkItem *item __attribute__((unused)),
struct item_event_hook_info *ie)
@ -205,7 +265,7 @@ item_removed (gpointer data,
{
struct item_event_hook_info *ie = data;
free (ie->label);
free ((void *) ie->label);
free (ie);
}