// Create a new AwtChoice object and window.
AwtChoice*
AwtChoice::Create( jobject peer, jobject hParent )
{
JNIEnv *env;
if ( JVM->AttachCurrentThread( (void **)&env, 0 ) != 0 ) {
return 0;
}
CHECK_NULL_RETURN( hParent, "null hParent" );
AwtCanvas *parent = PDATA( AwtCanvas, hParent );
CHECK_NULL_RETURN( parent, "null parent" );
jobject target = env->GetObjectField( peer,
WCachedIDs.PPCObjectPeer_targetFID );
CHECK_NULL_RETURN( target, "null target" );
AwtChoice *c = new AwtChoice();
CHECK_NULL_RETURN( c, "AwtChoice() failed" );
#ifndef WINCE
DWORD style = WS_CHILD | WS_CLIPSIBLINGS | WS_VSCROLL |
CBS_DROPDOWNLIST | CBS_OWNERDRAWFIXED;
#else
// WINCE does not support OWNERDRAW combo boxes.
DWORD style = WS_CHILD | WS_CLIPSIBLINGS | WS_VSCROLL |
CBS_DROPDOWNLIST;
#endif // !WINCE
// In OWNER_DRAW, the size of the edit control part of the choice
// must be determinded in its creation, when the parent cannot get
// the choice's instance from its handle. So record the pair of
// the ID and the instance of the choice.
UINT myId = parent->CreateControlID();
ASSERT( myId > 0 );
c->m_myControlID = myId;
parent->PushChild( myId, c );
c->CreateHWnd( TEXT(""), style, 0,
env->CallIntMethod( target,
WCachedIDs.java_awt_Component_getXMID ),
env->CallIntMethod( target,
WCachedIDs.java_awt_Component_getYMID ),
env->CallIntMethod( target,
WCachedIDs.java_awt_Component_getWidthMID ),
env->CallIntMethod( target,
WCachedIDs.java_awt_Component_getHeightMID ),
parent->GetHWnd(),
(HMENU)myId,
::GetSysColor( COLOR_WINDOWTEXT ),
::GetSysColor( COLOR_WINDOW ),
peer
);
c->m_backgroundColorSet = TRUE; // suppress inheriting parent's color.
return c;
}
AwtChoice* AwtChoice::Create(jobject peer, jobject parent) {
JNIEnv *env = (JNIEnv *)JNU_GetEnv(jvm, JNI_VERSION_1_2);
jobject target = NULL;
AwtChoice* c = NULL;
RECT rc;
try {
if (env->EnsureLocalCapacity(1) < 0) {
return NULL;
}
AwtCanvas* awtParent;
JNI_CHECK_NULL_GOTO(parent, "null parent", done);
awtParent = (AwtCanvas*)JNI_GET_PDATA(parent);
JNI_CHECK_NULL_GOTO(awtParent, "null awtParent", done);
target = env->GetObjectField(peer, AwtObject::targetID);
JNI_CHECK_NULL_GOTO(target, "null target", done);
c = new AwtChoice();
{
DWORD style = WS_CHILD | WS_CLIPSIBLINGS | WS_VSCROLL |
CBS_DROPDOWNLIST | CBS_OWNERDRAWFIXED;
DWORD exStyle = 0;
if (GetRTL()) {
exStyle |= WS_EX_RIGHT | WS_EX_LEFTSCROLLBAR;
if (GetRTLReadingOrder())
exStyle |= WS_EX_RTLREADING;
}
/*
* In OWNER_DRAW, the size of the edit control part of the
* choice must be determinded in its creation, when the parent
* cannot get the choice's instance from its handle. So
* record the pair of the ID and the instance of the choice.
*/
UINT myId = awtParent->CreateControlID();
DASSERT(myId > 0);
c->m_myControlID = myId;
awtParent->PushChild(myId, c);
jint x = env->GetIntField(target, AwtComponent::xID);
jint y = env->GetIntField(target, AwtComponent::yID);
jint width = env->GetIntField(target, AwtComponent::widthID);
jint height = env->GetIntField(target, AwtComponent::heightID);
jobject dimension = JNU_CallMethodByName(env, NULL, peer,
"preferredSize",
"()Ljava/awt/Dimension;").l;
DASSERT(!safe_ExceptionOccurred(env));
if (dimension != NULL && width == 0) {
width = env->GetIntField(dimension, AwtDimension::widthID);
}
c->CreateHWnd(env, L"", style, exStyle,
x, y, width, height,
awtParent->GetHWnd(),
reinterpret_cast<HMENU>(static_cast<INT_PTR>(myId)),
::GetSysColor(COLOR_WINDOWTEXT),
::GetSysColor(COLOR_WINDOW),
peer);
/* suppress inheriting parent's color. */
c->m_backgroundColorSet = TRUE;
c->UpdateBackground(env, target);
/* Bug 4255631 Solaris: Size returned by Choice.getSize() does not match
* actual size
* Fix: Set the Choice to its actual size in the component.
*/
::GetClientRect(c->GetHWnd(), &rc);
env->SetIntField(target, AwtComponent::widthID, (jint) rc.right);
env->SetIntField(target, AwtComponent::heightID, (jint) rc.bottom);
env->DeleteLocalRef(dimension);
}
} catch (...) {
env->DeleteLocalRef(target);
throw;
}
done:
env->DeleteLocalRef(target);
return c;
}