//=============================================================================
//
//   File : class_workspace.cpp
//   Creation date : Fri Mar 18 14:30:48 CEST 2005
//   by Tonino Imbesi(Grifisx) and Alessandro Carbone(Noldor)
//
//   This file is part of the KVIrc irc client distribution
//   Copyright (C) 2005-2008 Alessandro Carbone (elfonol at gmail dot com)
//
//   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 opinion) 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., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA.
//
//=============================================================================


#include "class_workspace.h"
#include "KviError.h"
#include "kvi_debug.h"
#include "KviLocale.h"
#include "KviIconManager.h"

#include <QMdiArea>
#include <QMdiSubWindow>
#include <QHash>
/*
	@doc:	workspace
	@keyterms:
		workspace object class,
	@title:
		workspace class
	@type:
		class
	@short:
		Provides a MDI workspace object
	@inherits:
		[class]object[/class]
		[class]widget[/class]
	@description:
		This widget provides a workspace window that can contain decorated window.
	@functions:
		!fn: $addSubWindow(<widget>)
		Adds a widget as a subwindow of this workspace.
		!fn: $removeSubWindow(<widget>)
		Removes a subwindow from this this workspace.
		!fn: <object> $activeWindow()
		Returns the active window, or 0 if no window is active.
		!fn: <boolean> $scrollBarsEnabled()
		Returns TRUE if the workspace provides scrollbars; otherwise returns FALSE.
		!fn: $setscrollBarsEnabled(<bEnabled:boolean>)
		Sets whether the workspace provides scrollbars to enable. (bEnabled 1 or 0)
		!fn: $cascade()
		Arranges all the child windows in a cascade pattern.
		!fn: $tile()
		Arranges all child windows in a tile pattern.
		!fn: $closeActiveWindow()
		Closes the child window that is currently active.
		!fn: $closeAllWindows()
		Closes all child windows.
		!fn: $activateNextWindow()
		Activates the next window in the child window chain.
		!fn: $activatePrevWindow()
		Activates the prev window in the child window chain.[br]

		|----CLASS EXAMPLE----|[br]
		|-Start:[br]
		#Let's start.[br]
		#We start the main class creation, in the constructor we do the[br]
		#widget's  showing, to give a particular pop-up[br]
		#creation  appearance.[br]
		class (ws,widget)[br]
		{[br]
			constructor[br]
			{[br]
                                $$->$setGeometry(%X,%Y,100,100)[br](KviKvsObjectFunctionCall *c
				$$->%label=$new(label,$$)[br]
				$$->%label->$settext("Another class by N\&G")[br]
				$$->%label->$setautoresize(1)[br]
				$$->$show()[br]
			}[br]
		}[br]
		#We create the new workspace, and we set a 640x480 size with widget $resize[br]
		#command.[br]
		%Workspace=$new(workspace)[br]
		%Workspace->$resize(640,480)[br]
		#Now we make a cycling costruction of the widgets(look at the class),[br]
		#and give to the widgets a random X and Y coordinates.[br]
		#It takes few seconds to show the effects, be patient.[br]
		%I=0[br]
		while (%I<100)[br]
		{[br]
			%X=$rand(500)[br]
			%Y=$rand(480)[br]
			%Widget=$new(ws,%Workspace)[br]
			%I++[br]
		}[br]
		#Let's show the fireworks! EnJoY![br]
		%Workspace->$show()[br]
		|-Start:[br]
		|-|EXAMPLE n2:[br]
		#This is like the first example but it has a particular animation effect.[br]
		%Hex[]=$array(0,1,2,3,4,5,6,7,8,9,A,B,C,D,E,F)[br]
		class (ws,widget)[br]
		{[br]
			constructor[br]
			{[br]
			       $$->$setGeometry(%X,%Y,100,100)[br]
			       $$->%lay=$new(layout,$$)[br]
			       %i=0[br]
			       while (%i<10)[br]
				{[br]
					$$->%label=$new(label,$$)[br]
					$$->%label->$settext("Another class by N\&G")[br]
					%color=%Hex[$rand(15)]%Hex[$rand(15)]%Hex[$rand(15)]%Hex[$rand(15)]%Hex[$rand(15)]%Hex[$rand(15)][br]
					$$->%label->$setforegroundcolor(%color)[br]
					$$->%label->$setautoresize(1)[br]
					$$->%lay->$addwidget($$->%label,%i,0)[br]
					%i++;[br]
				}[br]
				$$->$show()[br]
			}[br]
			mousepressevent[br]
			{[br]
				if ($istimer(cycle) == 1) killtimer cycle[br]
			}[br]
		}[br]
		%Workspace=$new(workspace)[br]
		%Workspace->$resize(640,480)[br]
		%Workspace->$setWindowTitle("Hit the mouse to stop cycling windows....")[br]
		%I=0[br]
		%Cicle=1[br]
		while (%I<20)[br]
		{[br]
			%X=$rand(500)[br]
			%Y=$rand(480)[br]
			%Widget=$new(ws,%Workspace)[br]
			%I++[br]
		}[br]
		%Workspace->$show[br]
		timer (cycle,3000)[br]
		{[br]
			if (%Cicle==1) %Workspace->$tile()[br]
			if (%Cicle==2)[br]
			{[br]
				%Workspace->$cascade()[br]
				%Cicle=1[br]
				return[br]
			}[br]
			%Cicle++[br]
		}[br]
		privateimpl(%Workspace,mousepressevent)[br]
		{[br]
			if ($istimer(cycle) == 1) killtimer cycle[br]
		}[br]
		#-|End.[br]

*/

KVSO_BEGIN_REGISTERCLASS(KviKvsObject_workspace,"workspace","widget")
        KVSO_REGISTER_HANDLER_BY_NAME(KviKvsObject_workspace,addSubWindow);
        KVSO_REGISTER_HANDLER_BY_NAME(KviKvsObject_workspace,removeSubWindow);
        KVSO_REGISTER_HANDLER_BY_NAME(KviKvsObject_workspace,activeWindow);
        KVSO_REGISTER_HANDLER_BY_NAME(KviKvsObject_workspace,scrollBarsEnabled);
        KVSO_REGISTER_HANDLER_BY_NAME(KviKvsObject_workspace,setscrollBarsEnabled);
        KVSO_REGISTER_HANDLER_BY_NAME(KviKvsObject_workspace,cascade);
        KVSO_REGISTER_HANDLER_BY_NAME(KviKvsObject_workspace,tile);
        KVSO_REGISTER_HANDLER_BY_NAME(KviKvsObject_workspace,closeActiveWindow);
        KVSO_REGISTER_HANDLER_BY_NAME(KviKvsObject_workspace,closeAllWindows);
        KVSO_REGISTER_HANDLER_BY_NAME(KviKvsObject_workspace,activateNextWindow);
        KVSO_REGISTER_HANDLER_BY_NAME(KviKvsObject_workspace,activatePrevWindow);
KVSO_END_REGISTERCLASS(KviKvsObject_workspace)

KVSO_BEGIN_CONSTRUCTOR(KviKvsObject_workspace,KviKvsObject_widget)
pWidgetDict=new QHash<kvs_hobject_t,QMdiSubWindow *>;
KVSO_END_CONSTRUCTOR(KviKvsObject_workspace)

KVSO_BEGIN_DESTRUCTOR(KviKvsObject_workspace)
if (pWidgetDict)
{
    pWidgetDict->clear();
    delete pWidgetDict;
    pWidgetDict=0;
}
KVSO_END_CONSTRUCTOR(KviKvsObject_workspace)

bool KviKvsObject_workspace::init(KviKvsRunTimeContext *, KviKvsVariantList *)
{
        SET_OBJECT(QMdiArea);
	return true;
}

KVSO_CLASS_FUNCTION(workspace,addSubWindow)
{
        CHECK_INTERNAL_POINTER(widget())
        KviKvsObject * pObject;
        kvs_hobject_t hObject;
        KVSO_PARAMETERS_BEGIN(c)
                KVSO_PARAMETER("widget",KVS_PT_HOBJECT,0,hObject)
        KVSO_PARAMETERS_END(c)
        pObject=KviKvsKernel::instance()->objectController()->lookupObject(hObject);
        CHECK_HOBJECT_IS_WIDGET(pObject)
        QMdiSubWindow *pMdi=((QMdiArea *)object())->addSubWindow(((QWidget *)(pObject->object())));
        pWidgetDict->insert(hObject,pMdi);
        ((QMdiArea *)object())->setActiveSubWindow(pMdi);
        return true;
}
KVSO_CLASS_FUNCTION(workspace,removeSubWindow)
{
        CHECK_INTERNAL_POINTER(widget())
        KviKvsObject * pObject;
        kvs_hobject_t hObject;
        KVSO_PARAMETERS_BEGIN(c)
                KVSO_PARAMETER("widget",KVS_PT_HOBJECT,0,hObject)
        KVSO_PARAMETERS_END(c)
        pObject=KviKvsKernel::instance()->objectController()->lookupObject(hObject);
        CHECK_HOBJECT_IS_WIDGET(pObject)
        QMdiSubWindow *pMdiSubWindow=pWidgetDict->value(hObject);
        if(pMdiSubWindow)
        {
               ((QMdiArea *)object())->removeSubWindow(pMdiSubWindow);
               pWidgetDict->remove(hObject);
        }
        else c->warning(__tr2qs_ctx("The widget must be a subwindow of this workspace","objects"));
        return true;
}

KVSO_CLASS_FUNCTION(workspace,cascade)
{
        CHECK_INTERNAL_POINTER(widget())
        ((QMdiArea *)widget())->cascadeSubWindows();
        return true;
}
KVSO_CLASS_FUNCTION(workspace,tile)
{
        CHECK_INTERNAL_POINTER(widget())
        ((QMdiArea *)widget())->tileSubWindows();
        return true;
}
KVSO_CLASS_FUNCTION(workspace,closeActiveWindow)
{
        CHECK_INTERNAL_POINTER(widget())
        ((QMdiArea *)widget())->closeActiveSubWindow();
        return true;
}

KVSO_CLASS_FUNCTION(workspace,closeAllWindows)
{
        CHECK_INTERNAL_POINTER(widget())
        ((QMdiArea *)widget())->closeAllSubWindows();
        return true;
}

KVSO_CLASS_FUNCTION(workspace,activateNextWindow)
{
        CHECK_INTERNAL_POINTER(widget())
        ((QMdiArea *)widget())->activateNextSubWindow();
        return true;
}

KVSO_CLASS_FUNCTION(workspace,activatePrevWindow)
{
        CHECK_INTERNAL_POINTER(widget())
        ((QMdiArea *)widget())->activatePreviousSubWindow();
        return true;
}

KVSO_CLASS_FUNCTION(workspace,activeWindow)
{
        CHECK_INTERNAL_POINTER(widget())
        QMdiSubWindow *pActiveMdi=((QMdiArea *)widget())->activeSubWindow();
        if (pActiveMdi)
        {
            QHashIterator<kvs_hobject_t,QMdiSubWindow *> t(*pWidgetDict);
            while (t.hasNext())
            {
                    t.next();
                    kvs_hobject_t hObject=t.key();
                    QMdiSubWindow *pMdi=t.value();
                    if (pMdi==pActiveMdi)
                    {
                        c->returnValue()->setHObject(hObject);
                        break;
                    }
            }
        }
        else c->returnValue()->setHObject((kvs_hobject_t)0);
        return true;
}
KVSO_CLASS_FUNCTION(workspace,scrollBarsEnabled)
{
        CHECK_INTERNAL_POINTER(widget())
        bool bEnabled;
        if(((QMdiArea *)widget())->verticalScrollBarPolicy()!=Qt::ScrollBarAlwaysOff) bEnabled=true;
        else bEnabled=false;
        c->returnValue()->setBoolean(bEnabled);
	return true;
}

KVSO_CLASS_FUNCTION(workspace,setscrollBarsEnabled)
{
        CHECK_INTERNAL_POINTER(widget())
        bool bEnabled;
	KVSO_PARAMETERS_BEGIN(c)
		KVSO_PARAMETER("bEnabled",KVS_PT_BOOL,0,bEnabled)
	KVSO_PARAMETERS_END(c)
        if(bEnabled)
        {
                ((QMdiArea *)widget())->setHorizontalScrollBarPolicy(Qt::ScrollBarAsNeeded);
                ((QMdiArea *)widget())->setVerticalScrollBarPolicy(Qt::ScrollBarAsNeeded);
        }
        else
        {
                ((QMdiArea *)widget())->setHorizontalScrollBarPolicy(Qt::ScrollBarAlwaysOff);
                ((QMdiArea *)widget())->setVerticalScrollBarPolicy(Qt::ScrollBarAlwaysOff);
        }
        return true;
}