/* -*- Mode: C++; tab-width: 4; indent-tabs-mode: nil; c-basic-offset: 2 -*-
 *
 * The contents of this file are subject to the Netscape Public License
 * Version 1.0 (the "NPL"); you may not use this file except in
 * compliance with the NPL.  You may obtain a copy of the NPL at
 * http://www.mozilla.org/NPL/
 *
 * Software distributed under the NPL is distributed on an "AS IS" basis,
 * WITHOUT WARRANTY OF ANY KIND, either express or implied. See the NPL
 * for the specific language governing rights and limitations under the
 * NPL.
 *
 * The Initial Developer of this code under the NPL is Netscape
 * Communications Corporation.  Portions created by Netscape are
 * Copyright (C) 1998 Netscape Communications Corporation.  All Rights
 * Reserved.
 */
/* 
   Component.cpp -- class for all XFE thingy's which have a widget.
   Created: Chris Toshok <toshok@netscape.com>, 7-Aug-96.
 */



#include "mozilla.h"
#include "xfe.h"

#include "Component.h"
#include "xpassert.h"

#include <Xfe/Xfe.h>

// Callback message strings.  (Comment about these declarations in header file)

const char *XFE_Component::afterRealizeCallback = "XFE_Component::afterRealizeCallback";


XFE_Component::XFE_Component(XFE_Component *toplevel_component)
{
  m_widget = 0;
  m_toplevel = toplevel_component;
}

XFE_Component::XFE_Component(Widget w, XFE_Component *toplevel_component)
{
  m_widget = w;
  m_toplevel = toplevel_component;
}

XFE_Component::~XFE_Component()
{
	//
	// delete the widget tree rooted at this frame.
	//
	if (m_widget)
    {
		// first we remove the callback to avoid deleting ourselves twice.
		XtRemoveCallback(m_widget, XmNdestroyCallback, destroy_cb, this);
		
		if (XfeIsAlive(m_widget))
		{
			// then we destroy the widget.
			XtDestroyWidget(m_widget);
		}
		
		m_widget = 0;
    }
}

Widget
XFE_Component::getBaseWidget()
{
  return m_widget;
}

void
XFE_Component::setBaseWidget(Widget w)
{
  /* we don't allow reassigning the base widget of a component. */
  XP_ASSERT(m_widget == 0);

  m_widget = w;
}


void
XFE_Component::setSensitive(Boolean sensitive)
{
  XtSetSensitive(m_widget, sensitive);
}

Boolean
XFE_Component::isSensitive()
{
  return XtIsSensitive(m_widget);
}

XFE_Component *
XFE_Component::getToplevel()
{
  return m_toplevel;
}

XP_Bool
XFE_Component::isShown()
{
  return XtIsManaged(m_widget);
}

XP_Bool
XFE_Component::isAlive()
{
  return XfeIsAlive(m_widget);
}


void
XFE_Component::show()
{
  XtManageChild(m_widget);
}

void
XFE_Component::hide()
{
  XtUnmanageChild(m_widget);
}

void
XFE_Component::setManagedState(XP_Bool state)
{
  XfeSetManagedState(m_widget,state);
}

void
XFE_Component::toggleManagedState()
{
  XfeToggleManagedState(m_widget);
}

fe_colormap *
XFE_Component::getColormap()
{
  XP_ASSERT(0);
  return NULL;
}


void
XFE_Component::translateFromRootCoords(int x_root, int y_root, 
				       int *x, int *y)
{
  Position my_xroot, my_yroot;

  XtTranslateCoords(m_widget, 0, 0, &my_xroot, &my_yroot);

  *x = x_root - my_xroot;
  *y = y_root - my_yroot;
}

Boolean 
XFE_Component::isWidgetInside(Widget w)
{
  Widget cur;

  cur = w;

  while (!XtIsShell(cur)
	 && cur != m_widget)
    cur = XtParent(cur);

  if (cur == m_widget)
    {
      return True;
    }
  else
    {
      return False;
    }
}

Pixel
XFE_Component::getFGPixel()
{
  return m_toplevel->getFGPixel();
}

Pixel
XFE_Component::getBGPixel()
{
  return m_toplevel->getFGPixel();
}

Pixel
XFE_Component::getTopShadowPixel()
{
  return m_toplevel->getFGPixel();
}

Pixel
XFE_Component::getBottomShadowPixel()
{
  return m_toplevel->getFGPixel();
}

char *
XFE_Component::stringFromResource(char *command_string)
{
  return XfeSubResourceGetWidgetStringValue(m_widget, 
											command_string, 
											command_string /* XXX */);
}

// use this method to get 'cmd.labelString' resources
// for the specified widget (default is the base widget)
char *
XFE_Component::getLabelString(char* cmd, Widget widget)
{
	if (!widget) {
		widget = getBaseWidget();
		if (!widget)
			return NULL;
	}

	return XfeSubResourceGetStringValue(widget,
										cmd,
										XfeClassNameForWidget(widget),
										XmNlabelString,
										XmCLabelString,
										NULL);
}

// use this method to get 'cmd.[show|hide]LabelString' resources
// for the specified widget (default is the base widget)
char*
XFE_Component::getShowHideLabelString(char* cmd, Boolean show, Widget widget)
{
	char* name;

	if (!widget) {
		widget = getBaseWidget();
		if (!widget)
			return NULL;
	}

	if (show)
		name = "showLabelString";
	else
		name = "hideLabelString";

	return XfeSubResourceGetStringValue(widget,
										cmd,
										XfeClassNameForWidget(widget),
										name,
										XmCLabelString,
										NULL);
}

void
XFE_Component::installDestroyHandler()
{
  XtAddCallback(m_widget, XmNdestroyCallback, destroy_cb, this);
}

void
XFE_Component::destroy_cb(Widget, XtPointer cd, XtPointer)
{
  XFE_Component *obj = (XFE_Component*)cd;

  delete obj;
}

char *
XFE_Component::getDocString(CommandType /* cmd */)
{
   return NULL;
}

char *
XFE_Component::getTipString(CommandType /* cmd */)
{
   return NULL;
}