/* AbiWord
 * Copyright (C) 1998 AbiSource, Inc.
 * 
 * This program is free software; you can redistribute it and/or
 * modify it under the terms of the GNU General Public License
 * as published by the Free Software Foundation; either version 2
 * of the License, or (at your option) any later version.
 * 
 * This program 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 General Public License for more details.
 * 
 * You should have received a copy of the GNU General Public License
 * along with this program; if not, write to the Free Software
 * Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA  
 * 02111-1307, USA.
 */
#include <glib.h>
#include <gdk/gdk.h>
#include <gdk/gdkx.h>
#include <gtk/gtk.h>
#include "ut_assert.h"
#include "ut_vector.h"
#include "ut_hash.h"
#include "ut_debugmsg.h"

#include "xap_UnixFont.h"
#include "xap_UnixFontManager.h"

#include "ap_UnixToolbar_FontCombo.h"
#include "ap_Toolbar_Id.h"
#include "xap_UnixApp.h"
#include "xap_Frame.h"

#include "ev_UnixToolbar.h"
#include "ev_Toolbar.h"


EV_Toolbar_Control * AP_UnixToolbar_FontCombo::static_constructor(EV_Toolbar * pToolbar,
														  XAP_Toolbar_Id id)
{
	AP_UnixToolbar_FontCombo * p = new AP_UnixToolbar_FontCombo(pToolbar,id);
	return p;
}

AP_UnixToolbar_FontCombo::AP_UnixToolbar_FontCombo(EV_Toolbar * pToolbar,
													 XAP_Toolbar_Id id)
	: EV_Toolbar_Control(pToolbar/*,id*/)
{
	UT_ASSERT(id==AP_TOOLBAR_ID_FMT_FONT);

	m_nPixels = 175;		// TODO: do a better calculation
	m_nLimit = 32;			// TODO: honor this?  :)
}

AP_UnixToolbar_FontCombo::~AP_UnixToolbar_FontCombo(void)
{
	// nothing to purge.  contents are static strings
}

UT_Bool AP_UnixToolbar_FontCombo::populate(void)
{
	UT_ASSERT(m_pToolbar);
	
	// Things are relatively easy with the font manager.  Just
	// request all fonts and ask them their names.
	EV_UnixToolbar * toolbar = static_cast<EV_UnixToolbar *>(m_pToolbar);
	
	UT_uint32 count = toolbar->getApp()->getFontManager()->getCount();
	
	XAP_UnixFont ** list = toolbar->getApp()->getFontManager()->getAllFonts();
	UT_ASSERT(list);

	m_vecContents.clear();

	// Cheesy little way to eliminate string duplicates from the
	// font engine
	UT_HashTable stringTable(256);
	
	for (UT_uint32 i = 0; i < count; i++)
	{
		if (!stringTable.findEntry(list[i]->getName()))
			stringTable.addEntry(list[i]->getName(), list[i]->getName(), (void *) list[i]->getName());
	}
	DELETEP(list);

	// We can populate the family list with what's in our hash table
	int totalStringsInHash = stringTable.getEntryCount();
	for (int hashIndex = 0; hashIndex < totalStringsInHash; hashIndex++)
	{
		UT_HashEntry * item = stringTable.getNthEntry(hashIndex);
		
		if (item && item->pData)
			m_vecContents.addItem(item->pData);
		else
		{
			UT_ASSERT(UT_SHOULD_NOT_HAPPEN);
		}
	}

	return UT_TRUE;
}
