// Create a new AwtTextField object and window.  
AwtTextField* AwtTextField::Create(jobject peer, jobject hParent)
{
   JNIEnv *env;
    
    if (JVM->AttachCurrentThread((void **) &env, 0) != 0) {
	return NULL;
    }
    CHECK_NULL_RETURN(hParent, "null hParent");
    AwtCanvas* parent = (AwtCanvas*) env->GetIntField(hParent, 
      	                              WCachedIDs.PPCObjectPeer_pDataFID); 
    CHECK_NULL_RETURN(parent, "null parent");
    jobject target = env->GetObjectField(peer, 
                                         WCachedIDs.PPCObjectPeer_targetFID);
    CHECK_NULL_RETURN(target, "null target");

    AwtTextField* c = new AwtTextField();
    CHECK_NULL_RETURN(c, "AwtTextField() failed");

    DWORD style = WS_CHILD | WS_CLIPSIBLINGS |
                  ES_LEFT | ES_AUTOHSCROLL | ES_NOHIDESEL | 
                  (IS_WIN4X ? 0 : WS_BORDER);
    DWORD exStyle = IS_WIN4X ? WS_EX_CLIENTEDGE : 0;
    c->CreateHWnd(TEXT(""), style, exStyle,
         (int)env->CallIntMethod(target, WCachedIDs.java_awt_Component_getXMID),
         (int)env->CallIntMethod(target, WCachedIDs.java_awt_Component_getYMID),
         (int)env->CallIntMethod(target,WCachedIDs.java_awt_Component_getWidthMID),
         (int)env->CallIntMethod(target,WCachedIDs.java_awt_Component_getHeightMID),
                  parent->GetHWnd(),
                  (HMENU)parent->CreateControlID(),
                  ::GetSysColor(COLOR_WINDOWTEXT),
                  ::GetSysColor(COLOR_WINDOW),
                  peer
                 );

    c->m_backgroundColorSet = TRUE;  // suppress inheriting parent's color.
    return c;
}
示例#2
0
void AwtTextField::_SetEchoChar(void *param)
{
    JNIEnv *env = (JNIEnv *)JNU_GetEnv(jvm, JNI_VERSION_1_2);

    SetEchoCharStruct *secs = (SetEchoCharStruct *)param;
    jobject self = secs->textfield;
    jchar echo = secs->echoChar;

    AwtTextField *c = NULL;

    PDATA pData;
    JNI_CHECK_PEER_GOTO(self, ret);
    c = (AwtTextField *)pData;
    if (::IsWindow(c->GetHWnd()))
    {
        c->SendMessage(EM_SETPASSWORDCHAR, echo);
        // Fix for 4307281: force redraw so that changes will take effect
        VERIFY(::InvalidateRect(c->GetHWnd(), NULL, FALSE));
    }
ret:
    env->DeleteGlobalRef(self);

    delete secs;
}
/* Create a new AwtTextField object and window.   */
AwtTextField* AwtTextField::Create(jobject peer, jobject parent)
{
    JNIEnv *env = (JNIEnv *)JNU_GetEnv(jvm, JNI_VERSION_1_2);

    jobject target = NULL;
    AwtTextField* c = NULL;

    try {
        PDATA pData;
        AwtCanvas* awtParent;
        JNI_CHECK_PEER_GOTO(parent, done);
        awtParent = (AwtCanvas*)pData;

        JNI_CHECK_NULL_GOTO(awtParent, "null awtParent", done);

        target = env->GetObjectField(peer, AwtObject::targetID);
        JNI_CHECK_NULL_GOTO(target, "null target", done);

        c = new AwtTextField();

        {
            DWORD style = WS_CHILD | WS_CLIPSIBLINGS |
                ES_LEFT | ES_AUTOHSCROLL |
                (IS_WIN4X ? 0 : WS_BORDER);
            DWORD exStyle = IS_WIN4X ? WS_EX_CLIENTEDGE : 0;
            if (GetRTL()) {
                exStyle |= WS_EX_RIGHT | WS_EX_LEFTSCROLLBAR;
                if (GetRTLReadingOrder())
                    exStyle |= WS_EX_RTLREADING;
            }

            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);

            c->CreateHWnd(env, L"", style, exStyle,
                          x, y, width, height,
                          awtParent->GetHWnd(),
                          reinterpret_cast<HMENU>(static_cast<INT_PTR>(
                awtParent->CreateControlID())),
                          ::GetSysColor(COLOR_WINDOWTEXT),
                          ::GetSysColor(COLOR_WINDOW),
                          peer);

            c->m_backgroundColorSet = TRUE;
            /* suppress inheriting parent's color. */
            c->UpdateBackground(env, target);
            c->SendMessage(EM_SETMARGINS, EC_LEFTMARGIN | EC_RIGHTMARGIN,
                           MAKELPARAM(1, 1));
            /*
             * Fix for BugTraq Id 4260109.
             * Set the text limit to the maximum.
             */
            c->SendMessage(EM_SETLIMITTEXT);

        }
    } catch (...) {
        env->DeleteLocalRef(target);
        throw;
    }

done:
    env->DeleteLocalRef(target);

    return c;
}