/*
 * Copyright 2006, Haiku.
 * Distributed under the terms of the MIT License.
 *
 * Authors:
 *              Stephan Aßmus <superstippi@gmx.de>
 */

#include "Panel.h"

#include <stdio.h>

#include <InterfaceDefs.h>
#include <Message.h>
#include <MessageFilter.h>

class EscapeFilter : public BMessageFilter {
 public:
        EscapeFilter(Panel* target)
                : BMessageFilter(B_ANY_DELIVERY, B_ANY_SOURCE),
                  fPanel(target)
                {
                }
        virtual ~EscapeFilter()
                {
                }
        virtual filter_result   Filter(BMessage* message, BHandler** target)
                {
                        filter_result result = B_DISPATCH_MESSAGE;
                        switch (message->what) {
                                case B_KEY_DOWN:
                                case B_UNMAPPED_KEY_DOWN: {
                                        uint32 key;
                                        if (message->FindInt32("raw_char", (int32*)&key) >= B_OK) {
                                                if (key == B_ESCAPE) {
                                                        result = B_SKIP_MESSAGE;
                                                        fPanel->Cancel();
                                                }
                                        }
                                        break;
                                }
                                default:
                                        break;
                        }
                        return result;
                }
 private:
        Panel*          fPanel;
};

// constructor
Panel::Panel(BRect frame, const char* title,
                         window_type type, uint32 flags,
                         uint32 workspace)
        : BWindow(frame, title, type, flags, workspace)
{
        _InstallFilter();
}

// constructor
Panel::Panel(BRect frame, const char* title,
                         window_look look, window_feel feel,
                         uint32 flags, uint32 workspace)
        : BWindow(frame, title, look, feel, flags, workspace)
{
        _InstallFilter();
}

// destructor
Panel::~Panel()
{
}

// MessageReceived
void
Panel::Cancel()
{
        PostMessage(B_QUIT_REQUESTED);
}

// _InstallFilter
void
Panel::_InstallFilter()
{
        AddCommonFilter(new EscapeFilter(this));
}