widget.h

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/*
    This library is free software; you can redistribute it and/or
    modify it under the terms of the GNU Lesser General Public
    License as published by the Free Software Foundation; either
    version 2.1 of the License, or (at your option) any later version.

    This library is distributed in the hope that it will be useful,
    but WITHOUT ANY WARRANTY; without even the implied warranty of
    MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
    Lesser General Public License for more details.

    You should have received a copy of the GNU Lesser General Public
    License along with this library; if not, write to the Free Software
    Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA  02110-1301  USA

    Copyright (C) 2005 Thomas Steinacher
    http://www.eggdrop.ch/
    tom (at) eggdrop [dot] ch
*/

#ifndef OMGUI_COCOA_WIDGET_H
#define OMGUI_COCOA_WIDGET_H

#include <omgui/common/widget.h>
#include <omgui/widget.h>
#include <omgui/private/factory.h>
#include <omgui/event.h>

#import <Cocoa/Cocoa.h>

// Two macros which create a subclass of a widget, so we
// can store the implementation object in the widget

#define OMGUI_COCOA_INTERFACE(type) \
  @interface Omgui ## type : NS ## type \
  { \
    omgui::cocoa::Widget *m_omgui_widget; \
  } \
  - (void)setOmguiWidget:(omgui::cocoa::Widget *)widget; \
  - (omgui::cocoa::Widget *)omguiWidget; \
  - (bool)omguiSendEvent:(omgui::event_id)event_id; \
  @end

#define OMGUI_COCOA_IMPLEMENTATION(type) \
  @implementation Omgui ## type \
  - (void)setOmguiWidget:(omgui::cocoa::Widget *)widget \
  { \
    m_omgui_widget = widget; \
  } \
  - (omgui::cocoa::Widget *)omguiWidget { return m_omgui_widget; } \
  - (bool)omguiSendEvent:(omgui::event_id)event_id \
  { \
    if (m_omgui_widget) \
    { \
      omgui::Event event(event_id, m_omgui_widget->get_wrapper_id()); \
      omgui::EventManager::send_event(event); \
      return event.get_veto(); \
    } \
    return false; \
  } \
  @end

namespace omgui {
    namespace cocoa {
        
class Widget : public virtual omgui::common::Widget
{
protected:
    id m_object;

    void send_event(const omgui::event_id event_id); // cocoa specific
    void create(const omgui::initializer::WidgetData &params, id widget);

    omgui::Size m_natural_size;

    Widget() { }

public:
    omgui::Size m_min_size, m_max_size;

    virtual ~Widget();

    // object interface
    virtual void set_size(const omgui::Size&);
    virtual void set_min_size(const omgui::Size&);
    virtual void set_max_size(const omgui::Size&);
    virtual void set_natural_size(const omgui::Size&);
    virtual void set_position(const omgui::Point&);
    virtual omgui::Size get_size() const;
    virtual omgui::Size get_min_size() const;
    virtual omgui::Size get_max_size() const;
    virtual omgui::Size get_natural_size() const;
    virtual omgui::Point get_position() const;
    virtual void set_rect(const omgui::Rect&);
    virtual omgui::Rect get_rect() const;

    // widget interface
    virtual void destroy();
    virtual void *get_handle() const { return m_object; }
    virtual void enable(bool sensitive);
    virtual void show(bool show, bool activate);
    virtual bool is_enabled() const;
    virtual bool is_shown() const;
    virtual bool is_hidden() const;

    virtual Pointer<omgui::Panel> get_parent() const;
    virtual Pointer<omgui::Window> get_parent_window() const;
};

    } // cocoa
} // omgui

#endif // OMGUI_COCOA_WIDGET_H

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