Exemple #1
0
JNIEXPORT int32_t JNICALL
    awt_GetColor(JAWT_DrawingSurface* ds, int32_t r, int32_t g, int32_t b)
{
    JNIEnv* env;
    jobject target, peer;
    jclass componentClass;
    AwtGraphicsConfigDataPtr adata;
    int32_t result;
     jobject gc_object;
    if (ds == NULL) {
#ifdef DEBUG
        fprintf(stderr, "Drawing Surface is NULL\n");
#endif
        return (int32_t) 0;
    }

    env = ds->env;
    target = ds->target;

    /* Make sure the target is a java.awt.Component */
    componentClass = (*env)->FindClass(env, "java/awt/Component");
    if (!(*env)->IsInstanceOf(env, target, componentClass)) {
#ifdef DEBUG
        fprintf(stderr, "DrawingSurface target must be a component\n");
#endif
        return (int32_t) 0;
    }

    if (!awtLockInited) {
        return (int32_t) 0;
    }

    AWT_LOCK();

    /* Get the peer of the target component */
    peer = (*env)->GetObjectField(env, target, componentIDs.peer);
    if (JNU_IsNull(env, peer)) {
#ifdef DEBUG
        fprintf(stderr, "Component peer is NULL\n");
#endif
        AWT_UNLOCK();
        return (int32_t) 0;
    }
     /* GraphicsConfiguration object of MComponentPeer */
    gc_object = (*env)->GetObjectField(env, peer, graphicsConfigID);

    if (gc_object != NULL) {
        adata = (AwtGraphicsConfigDataPtr)
            JNU_GetLongFieldAsPtr(env, gc_object,
                                  x11GraphicsConfigIDs.aData);
    } else {
        adata = getDefaultConfig(DefaultScreen(awt_display));
    }

    result = adata->AwtColorMatch(r, g, b, adata);
        AWT_UNLOCK();
        return result;
}
Exemple #2
0
Widget
awt_util_createWarningWindow(Widget parent, char *warning)
{
    Widget warningWindow;
#ifdef NETSCAPE
    extern Widget FE_MakeAppletSecurityChrome(Widget parent, char* message);
    warningWindow = FE_MakeAppletSecurityChrome(parent, warning);
#else
    Widget label;
    int32_t argc;
#define MAX_ARGC 10
    Arg args[MAX_ARGC];
    int32_t screen = 0;
    int32_t i;
    AwtGraphicsConfigDataPtr adata;
    extern int32_t awt_numScreens;

    Pixel gray;
    Pixel black;

    for (i = 0; i < awt_numScreens; i++) {
        if (ScreenOfDisplay(awt_display, i) == XtScreen(parent)) {
            screen = i;
            break;
        }
    }
    adata = getDefaultConfig(screen);

    gray = adata->AwtColorMatch(192, 192, 192, adata);
    black = adata->AwtColorMatch(0, 0, 0, adata);

    argc = 0;
    XtSetArg(args[argc], XmNbackground, gray); argc++;
    XtSetArg(args[argc], XmNmarginHeight, 0); argc++;
    XtSetArg(args[argc], XmNmarginWidth, 0); argc++;
    XtSetArg (args[argc], XmNscreen, XtScreen(parent)); argc++;

    DASSERT(!(argc > MAX_ARGC));
    warningWindow =  XmCreateForm(parent, "main", args, argc);

    XtManageChild(warningWindow);
    label = XtVaCreateManagedWidget(warning,
                                    xmLabelWidgetClass, warningWindow,
                                    XmNhighlightThickness, 0,
                                    XmNbackground, gray,
                                    XmNforeground, black,
                                    XmNalignment, XmALIGNMENT_CENTER,
                                    XmNrecomputeSize, False,
                                    NULL);
    XtVaSetValues(label,
                  XmNbottomAttachment, XmATTACH_FORM,
                  XmNtopAttachment, XmATTACH_FORM,
                  XmNleftAttachment, XmATTACH_FORM,
                  XmNrightAttachment, XmATTACH_FORM,
                  NULL);
#endif
    return warningWindow;
}