/*
 * Copyright 2014, Stephan Aßmus <superstippi@gmx.de>.
 * All rights reserved. Distributed under the terms of the MIT License.
 */


#include "LinkedBitmapView.h"

#include <Cursor.h>


LinkedBitmapView::LinkedBitmapView(const char* name, BMessage* message)
        :
        BitmapView(name),
        BInvoker(message, NULL),
        fEnabled(true),
        fMouseInside(false)
{
}


void
LinkedBitmapView::AllAttached()
{
        //  We don't want to use BitmapView's default behavior here.
}


void
LinkedBitmapView::MouseMoved(BPoint where, uint32 transit,
        const BMessage* dragMessage)
{
        // TODO: Check that no buttons are pressed, don't indicate clickable
        // link if a button is held.
        if (transit == B_ENTERED_VIEW) {
                fMouseInside = true;
                _UpdateViewCursor();
        } else if (transit == B_EXITED_VIEW) {
                fMouseInside = false;
                _UpdateViewCursor();
        }
}


void
LinkedBitmapView::MouseDown(BPoint where)
{
        if (fEnabled)
                Invoke(Message());
}


void
LinkedBitmapView::SetEnabled(bool enabled)
{
        if (fEnabled != enabled) {
                fEnabled = enabled;
                _UpdateViewCursor();
        }
}


void
LinkedBitmapView::_UpdateViewCursor()
{
        if (fEnabled && fMouseInside) {
                BCursor cursor(B_CURSOR_ID_FOLLOW_LINK);
                SetViewCursor(&cursor, true);
        } else {
                BCursor cursor(B_CURSOR_SYSTEM_DEFAULT);
                SetViewCursor(&cursor, true);
        }
}