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Fix for Checkbox states.

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2003-12-08  Kim Ho  <kho@redhat.com>

	Fix for Checkbox states.
	* gnu/java/awt/peer/gtk/GtkCheckboxPeer.java:
	(currentState): New field.
	(nativeCreate): Add initial state parameter.
	(create): Changed to reflect new parameter.
	(setState): Fire only on changed states.
	(postItemEvent): Fire only on changed states. Also change the
	Java Checkbox to reflect new state.
	* jni/gtk-peer/gnu_java_awt_peer_gtk_GtkCheckboxPeer.c:
	(nativeCreate): Add parameter and set active state.

From-SVN: r74459
This commit is contained in:
Kim Ho 2003-12-09 03:47:32 +00:00 • committed by Tom Tromey
parent 7dd8177fc7
commit bc67c73d4a
3 changed files with 38 additions and 8 deletions
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27
libjava/gnu/java/awt/peer/gtk/GtkCheckboxPeer.java
View file

@ -1,5 +1,5 @@
/* GtkCheckboxPeer.java -- Implements CheckboxPeer with GTK
Copyright (C) 1998, 1999, 2002 Free Software Foundation, Inc.
Copyright (C) 1998, 1999, 2002, 2003 Free Software Foundation, Inc.
This file is part of GNU Classpath.
@ -48,8 +48,11 @@ public class GtkCheckboxPeer extends GtkComponentPeer
{
// Group from last time it was set.
public GtkCheckboxGroupPeer old_group;
// The current state of the GTK checkbox.
private boolean currentState;
public native void nativeCreate (GtkCheckboxGroupPeer group);
public native void nativeCreate (GtkCheckboxGroupPeer group,
boolean state);
public native void nativeSetCheckboxGroup (GtkCheckboxGroupPeer group);
public native void connectHooks ();
@ -66,12 +69,14 @@ public class GtkCheckboxPeer extends GtkComponentPeer
{
CheckboxGroup g = ((Checkbox) awtComponent).getCheckboxGroup ();
old_group = GtkCheckboxGroupPeer.getCheckboxGroupPeer (g);
nativeCreate (old_group);
currentState = ((Checkbox)awtComponent).getState();
nativeCreate (old_group, currentState);
}
public void setState (boolean state)
{
set ("active", state);
if (currentState != state)
set ("active", state);
}
public void setLabel (String label)
@ -103,7 +108,19 @@ public class GtkCheckboxPeer extends GtkComponentPeer
// need information that we have.
public void postItemEvent (Object item, int stateChange)
{
super.postItemEvent (awtComponent, stateChange);
Checkbox currentCheckBox = ((Checkbox)awtComponent);
// A firing of the event is only desired if the state has changed due to a
// button press. The currentCheckBox's state must be different from the
// one that the stateChange is changing to.
// stateChange = 1 if it goes from false -> true
// stateChange = 2 if it goes from true -> false
if (( !currentCheckBox.getState() && stateChange == 1)
|| (currentCheckBox.getState() && stateChange == 2))
{
super.postItemEvent (awtComponent, stateChange);
currentState = !currentCheckBox.getState();
currentCheckBox.setState(currentState);
}
}
public void dispose ()