/* -*- c-basic-offset: 4; tab-width: 4; indent-tabs-mode: t -*- */
/* AbiSource Application Framework
 * Copyright (C) 1998 AbiSource, Inc.
 * Copyright (C) 1999 John Brewer DBA Jera Design
 * Copyright (C) 2000-2001 Hubert Figuiere
 * 
 * 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 <stdio.h>

#ifndef XP_MAC_TARGET_QUARTZ
# include <QuickDraw.h>
#endif
// HIToolbox headers
#include <MacWindows.h>
#include <Appearance.h>
#include <ControlDefinitions.h>
#include <Controls.h>

#include "ut_types.h"
#include "ut_assert.h"
#include "ut_debugmsg.h"
#include "ut_vector.h"
#include "ut_string.h"
#include "ut_growbuf.h"
#include "xap_App.h"
#include "xap_Frame.h"
#include "xap_Prefs.h"
#include "xap_ViewListener.h"
#include "xap_MacApp.h"
#include "xap_MacFrame.h"
#include "xap_MacToolbar_Control.h"
#include "ev_MacKeyboard.h"
#include "ev_MacMouse.h"
#include "ev_MacMenu.h"
#include "ev_MacToolbar.h"
#include "ev_EditMethod.h"
#include "xav_View.h"
#include "xad_Document.h"

/*****************************************************************/

#define ENSUREP(p)		do { UT_ASSERT(p); if (!p) goto Cleanup; } while (0)

	

/*****************************************************************/

XAP_MacFrame::XAP_MacFrame(XAP_MacApp * app)
	: XAP_Frame(static_cast<XAP_App *>(app)),
          m_dialogFactory(static_cast<XAP_Frame *>(this), static_cast<XAP_App *>(app))
{
	m_MacWindow = NULL;
	m_pKeyboard = NULL;
	m_pMacMenu = NULL;
	m_pMouse = NULL;
	m_rootControl = NULL;
	m_visibleRgnTop = 0;
	MacWindowInit ();
}

// TODO when cloning a new frame from an existing one
// TODO should we also clone any frame-persistent
// TODO dialog data ??

XAP_MacFrame::XAP_MacFrame(XAP_MacFrame * f)
	: XAP_Frame(static_cast<XAP_Frame *>(f)),
          m_dialogFactory(static_cast<XAP_Frame *>(this), static_cast<XAP_App *>(f->m_app))
{
	m_MacWindow = NULL;
	m_pKeyboard = NULL;
	m_pMacMenu = NULL;
	m_pMouse = NULL;
	m_rootControl = NULL;
	m_visibleRgnTop = 0;
	MacWindowInit ();
}

void XAP_MacFrame::MacWindowInit ()
{
	UT_ASSERT (XAP_MacApp::m_NotInitialized == false);
}


XAP_MacFrame::~XAP_MacFrame(void)
{
	// TODO: ensure that we really need to dispose all of this stuff
	if (m_rootControl) {
		::DisposeControl (m_rootControl);
	}
}

bool XAP_MacFrame::initialize(const char * szKeyBindingsKey, 
				  const char * szKeyBindingsDefaultValue,
				  const char * szMenuLayoutKey, 
				  const char * szMenuLayoutDefaultValue,
				  const char * szMenuLabelSetKey, 
				  const char * szMenuLabelSetDefaultValue,
				  const char * szToolbarLayoutsKey, 
				  const char * szToolbarLayoutsDefaultValue,
				  const char * szToolbarLabelSetKey, 
				  const char * szToolbarLabelSetDefaultValue) {
	bool bResult;

	// invoke our base class first.
	
	bResult = XAP_Frame::initialize(szKeyBindingsKey, 
					szKeyBindingsDefaultValue,
					szMenuLayoutKey, 
					szMenuLayoutDefaultValue,
					szMenuLabelSetKey, 
					szMenuLabelSetDefaultValue,
					szToolbarLayoutsKey, 
					szToolbarLayoutsDefaultValue,
					szToolbarLabelSetKey, 
					szToolbarLabelSetDefaultValue);
	UT_ASSERT(bResult);

	// get a handle to our keyboard binding mechanism
	// and to our mouse binding mechanism.
	EV_EditEventMapper * pEEM = getEditEventMapper();
	UT_ASSERT(pEEM);

	//These are actually "attached" in the ap_Frame code
	//since they require that all the beos classes be
	//instantiated.
	m_pKeyboard = new ev_MacKeyboard(pEEM);
	UT_ASSERT(m_pKeyboard);

	m_pMouse = new EV_MacMouse(pEEM);
	UT_ASSERT(m_pMouse);

	return true;
}

XAP_Frame *	XAP_MacFrame::cloneFrame(void)
{
	UT_ASSERT(UT_NOT_IMPLEMENTED);

	return 0;
}

bool	XAP_MacFrame::close(void)
{
	XAP_MacToolbar_Control *appWideControl = ((XAP_MacApp*)getApp())->getToolbarControl();
	// we must remove the toolbar before killing the controls
	appWideControl->setToolbar (NULL);
	::DisposeWindow ((WindowPtr)m_MacWindow);
	return true;
}

bool	XAP_MacFrame::raise(void)
{
	XAP_MacToolbar_Control *appWideControl = ((XAP_MacApp*)getApp())->getToolbarControl();
	appWideControl->setToolbar (this);
#if defined(USE_CARBON_EVENTS)
	// only needed if not doing Carbon Events. Otherwise done automatically
	::BringToFront ((WindowPtr)m_MacWindow);
#endif
	return true;
}

bool	XAP_MacFrame::show(void)
{
	XAP_MacToolbar_Control *appWideControl = ((XAP_MacApp*)getApp())->getToolbarControl();
	appWideControl->setToolbar (this);
	::ShowWindow ((WindowPtr)m_MacWindow);
	return true;
}

bool XAP_MacFrame::openURL(const char * /*szURL*/)
{
	// TODO: use GURL or InternetConfig to open the specified URL
	UT_ASSERT(UT_NOT_IMPLEMENTED);

	return false;
}

bool	XAP_MacFrame::updateTitle(void)
{
	if (!XAP_Frame::updateTitle())
	{
		// no relevant change, so skip it
		return false;
	}

	char buf[256];
	buf[0] = 0;

	const char * szAppName = m_app->getApplicationTitleForTitleBar();

	int len = 256 - strlen(szAppName) - 4;
	
	const char * szTitle = getTitle(len);

	sprintf(buf, (char *)"\p%s - %s", szTitle, szAppName);
			
        UT_ASSERT (m_MacWindow);
        // TODO make conditionnal use of SetWindowTitleWithCFString when target is Carbon
        ::SetWTitle (m_MacWindow, (ConstStr255Param)buf);

	return true;
}


/*
	Handle mac updates. invalRgn is the invalidated region
*/
bool	XAP_MacFrame::_macUpdate(void)
{
	ThemeDrawState			drawState;
	
	GrafPtr savePort;
	::BeginUpdate (m_MacWindow);
	
	::DrawControls (m_MacWindow);
	::DrawGrowIcon (m_MacWindow);
#if 0
	::GetPort (&savePort);
	::SetPort (m_MacWindowPort);
	// Get theme state
	drawState = ::IsWindowHilited (m_MacWindow) ?
		(ThemeDrawState)kThemeStateActive :
		(ThemeDrawState)kThemeStateDisabled;
	// Draw the window header where toolbar reside
	//::DrawThemeWindowHeader (&m_toolbarRect, drawState);
	
	::DrawThemePlacard( &m_placardRect, drawState );

	::SetPort (savePort);
#endif	
	::EndUpdate (m_MacWindow);
	return true;
}


bool XAP_MacFrame::_macGrow (void)
{

// TODO get all the toolbars and calc for each.	
//    _calcToolbarRect();
    _calcPlacardRect();
	
	return true;
}



UT_sint32 XAP_MacFrame::setInputMode(const char * szName)
{
	UT_ASSERT (UT_NOT_IMPLEMENTED);
}


XAP_DialogFactory *XAP_MacFrame::getDialogFactory(void)
{
	return &m_dialogFactory;
}


#if defined(USE_CARBON_EVENTS)
pascal OSStatus XAP_MacFrame::HandleCarbonWindowEvent (EventHandlerCallRef nextHandler, 
	                                          EventRef theEvent, void* userData)
{
	OSStatus err = noErr;
	UInt32 eventKind = ::GetEventKind (theEvent);
	XAP_MacFrame *frame = (XAP_MacFrame *)userData;
	UT_ASSERT (frame);
	
	switch (eventKind) {
	case kEventWindowClose:
		frame->close ();
		break;
	case kEventWindowUpdate:
		frame->_macUpdate ();
		break;
	case kEventWindowBoundsChanged:
		frame->_macGrow ();
		break;
	case kEventWindowActivated:
		frame->raise ();
		break;
	default:
		err = ::CallNextEventHandler (nextHandler, theEvent);
		break;
	}
	return err;
}
#endif


EV_Toolbar * XAP_MacFrame::_newToolbar(XAP_App *app, XAP_Frame *frame, const char *szLayout, const char *szLanguage)
{
    
    return (new EV_MacToolbar(static_cast<XAP_MacApp *>(app), 
                              static_cast<XAP_MacFrame *>(frame), szLayout, szLanguage));
}


void XAP_MacFrame::_createTopLevelWindow(void)
{
	OSErr err;
	Rect winBounds;

	::SetRect(&winBounds, 100, 100, 500, 500);
#if defined(USE_CARBON_EVENTS)
	WindowAttributes windowAttrs = kWindowStandardDocumentAttributes      // Standard document window
	                               | kWindowStandardHandlerAttribute;  // Use standard event handler
	::CreateNewWindow (kDocumentWindowClass, windowAttrs,  // Create the window
                       &winBounds, &m_MacWindow);
      
	::SetWindowTitleWithCFString (m_MacWindow, CFSTR("Untitled")); // Set title
#else
	// legacy support
	m_MacWindow = ::NewCWindow(NULL, &winBounds, "\pUntitled", 0, zoomDocProc, (WindowPtr) -1, true, (long) this);
#endif
	UT_ASSERT (m_MacWindow != NULL);

#if defined(USE_CARBON_EVENTS)
	EventTypeSpec eventTypes[4];
	eventTypes[0].eventClass = kEventClassWindow;
	eventTypes[0].eventKind = kEventWindowClose;
	eventTypes[1].eventClass = kEventClassWindow;
	eventTypes[1].eventKind = kEventWindowUpdate;
	eventTypes[2].eventClass = kEventClassWindow;
	eventTypes[2].eventKind = kEventWindowBoundsChanged;
	eventTypes[3].eventClass = kEventClassWindow;
	eventTypes[3].eventKind = kEventWindowActivated;
	EventHandlerRef handlerRef;
	EventHandlerUPP handlerUPP = NewEventHandlerUPP (HandleCarbonWindowEvent);
	err = ::InstallWindowEventHandler (m_MacWindow, handlerUPP, 4, eventTypes, (void*)this, &handlerRef);
#endif	
	
	err = ::CreateRootControl (m_MacWindow, &m_rootControl);
	UT_ASSERT (err == noErr);
#if TARGET_API_MAC_CARBON
	m_MacWindowPort = ::GetWindowPort (m_MacWindow);
#else
	m_MacWindowPort = (GrafPtr)::GetWindowPort (m_MacWindow);
#endif
	::SetWindowKind (m_MacWindow, XAP_MACFRAME_WINDOW_KIND);
    ::SetWRefCon (m_MacWindow, (long)this);

    m_pMacMenu = new EV_MacMenu (dynamic_cast<XAP_MacApp*>(m_app), this,
				      m_szMenuLayoutName, m_szMenuLabelSetName);
    m_pMacMenu->synthesizeMenuBar();


    _createToolbars ();
    _createStatusBar();
    _createDocumentWindow();
//        m_pMacStatusBarView = _createStatusBarWindow ();
}


void XAP_MacFrame::_calcPlacardRect ()
{
    Rect rect;
#if TARGET_API_MAC_CARBON
    ::GetPortBounds (m_MacWindowPort, &rect);
#else
    rect = m_MacWindowPort->portRect;
#endif

    m_placardRect = rect;
    m_placardRect.bottom++;
    m_placardRect.left--;
    m_placardRect.top = m_placardRect.bottom - 16;
    m_placardRect.right--;
}


void XAP_MacFrame::_calcVertScrollBarRect (Rect & rect)
{
#if TARGET_API_MAC_CARBON
    ::GetPortBounds (m_MacWindowPort, &rect);
#else
	rect = m_MacWindowPort->portRect;
#endif
    rect.right++;
	rect.left = rect.right - 16;
	rect.bottom -= 30;
	rect.top = m_visibleRgnTop;
}


void XAP_MacFrame::_calcHorizScrollBarRect (Rect & rect)
{
#if TARGET_API_MAC_CARBON
    ::GetPortBounds (m_MacWindowPort, &rect);
#else
	rect = m_MacWindowPort->portRect;
#endif
	rect.bottom -= 15;
	rect.left-- ;
	rect.top = rect.bottom - 16;
	rect.right -= 14;
}


void XAP_MacFrame::setXScrollRange(void)
{
        // TODO: now that we have scroll, implement these.
	UT_ASSERT(UT_NOT_IMPLEMENTED);
}

void XAP_MacFrame::setYScrollRange(void)
{
        // TODO: now that we have scroll, implement these.
	UT_ASSERT(UT_NOT_IMPLEMENTED);
}

bool XAP_MacFrame::runModalContextMenu(AV_View * /* pView */, const char * /*szMenuName*/, UT_sint32 /*x*/, UT_sint32 /*y*/) {
	UT_ASSERT(UT_NOT_IMPLEMENTED);

	return(false);
}



void XAP_MacFrame::_setVisibleRgnTop (short top)
{
	m_visibleRgnTop = top;
	// Sync the gr_graphics origin. Only needed for CG version, but...
	
	//_setOrigin (0, top);
}

EV_Menu* XAP_MacFrame::getMainMenu()
{
	return m_pMacMenu;
}