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

  CScreen.cpp

  (c) 2000-2007 Benoit Minisini <gambas@users.sourceforge.net>

  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 1, 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., 675 Mass Ave, Cambridge, MA 02139, USA.

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

#define __CDESKTOP_CPP

#include <qapplication.h>
#include <qtooltip.h>

#include "gambas.h"
#include "main.h"
#include "CPicture.h"
#include "CWidget.h"
#include "CWindow.h"
#include "CFont.h"
#include "CScreen.h"

#ifndef NO_X_WINDOW
#include "x11.h"
#endif

static int screen_busy = 0;
char *CAPPLICATION_Theme = 0;

#if 0

/* NET WM: read the _NET_WORKAREA property of the root window to get the viewport
   of each desktop
*/
	if (XGetWindowProperty(p->display, p->root, net_workarea, 0l,
			       (p->number_of_desktops * 4), False, XA_CARDINAL,
			       &type_ret, &format_ret, &nitems_ret, &unused,
			       &data_ret)
	    == Success) {
	    if (type_ret == XA_CARDINAL && format_ret == 32 &&
		nitems_ret == (unsigned) (p->number_of_desktops * 4)) {
		int *d = (int *) data_ret;
		int i, j;
		for (i = 0, j = 0; i < p->number_of_desktops; i++) {
		    p->workarea[i].pos.x       = d[j++];
		    p->workarea[i].pos.y       = d[j++];
		    p->workarea[i].size.width  = d[j++];
		    p->workarea[i].size.height = d[j++];
		}
	    }
#endif


BEGIN_METHOD_VOID(CAPPLICATION_exit)

	GB.FreeString(&CAPPLICATION_Theme);

END_METHOD


BEGIN_PROPERTY(CDESKTOP_width)

  GB.ReturnInteger(qApp->desktop()->width());

END_PROPERTY


BEGIN_PROPERTY(CDESKTOP_height)

  GB.ReturnInteger(qApp->desktop()->height());

END_PROPERTY


BEGIN_PROPERTY(CDESKTOP_resolution)

	#ifdef NO_X_WINDOW
  	GB.ReturnInteger(72);
	#else
  	GB.ReturnInteger(QPaintDevice::x11AppDpiY());
  #endif

END_PROPERTY

static void set_font(QFont &font, void *object = 0)
{
  qApp->setFont(font, true);
  MAIN_update_scale();
}

BEGIN_PROPERTY(CAPP_font)

  if (READ_PROPERTY)
    GB.ReturnObject(CFONT_create(qApp->font(), set_font));
  else
    SET_FONT(set_font, VPROP(GB_OBJECT));

END_PROPERTY


BEGIN_PROPERTY(CAPP_active_window)

  //GB.ReturnObject(CWidget::get(qApp->activeWindow()));
  GB.ReturnObject(CWINDOW_Active);

END_PROPERTY


BEGIN_PROPERTY(CAPP_active_control)

  //GB.ReturnObject(CWidget::get(qApp->focusWidget()));
  GB.ReturnObject(CWIDGET_active_control);

END_PROPERTY


BEGIN_PROPERTY(CAPP_busy)

  int busy;

  if (READ_PROPERTY)
    GB.ReturnInteger(screen_busy);
  else
  {
    busy = VPROP(GB_INTEGER);

    if (screen_busy == 0 && busy > 0)
      qApp->setOverrideCursor(Qt::waitCursor);
    else if (screen_busy > 0 && busy == 0)
      qApp->restoreOverrideCursor();

    screen_busy = busy;
  }

END_PROPERTY


BEGIN_PROPERTY(CDESKTOP_charset)

  GB.ReturnConstZeroString("UTF-8");

END_PROPERTY


BEGIN_METHOD_VOID(CDESKTOP_grab)

  GB.ReturnObject(CPICTURE_grab(0));

END_METHOD


BEGIN_PROPERTY(CAPP_tooltip_enabled)

  if (READ_PROPERTY)
    GB.ReturnBoolean(QToolTip::isGloballyEnabled());
  else
    QToolTip::setGloballyEnabled(VPROP(GB_BOOLEAN));

END_PROPERTY


BEGIN_PROPERTY(CAPP_tooltip_font)

  if (READ_PROPERTY)
    GB.ReturnObject(CFONT_create(QToolTip::font()));
  else
    QToolTip::setFont(*((CFONT *)VPROP(GB_OBJECT))->font);

END_PROPERTY


BEGIN_PROPERTY(CAPP_main_window)

  GB.ReturnObject(CWINDOW_Main);

END_PROPERTY


BEGIN_PROPERTY(CAPP_embedder)

  if (READ_PROPERTY)
    GB.ReturnPointer((void *)CWINDOW_Embedder);
  else
  {
    if (CWINDOW_Embedded)
    {
      GB.Error("Application is already embedded");
      return;
    }

    CWINDOW_Embedder = VPROP(GB_POINTER);
  }

END_PROPERTY


BEGIN_PROPERTY(CAPPLICATION_theme)

	if (READ_PROPERTY)
		GB.ReturnString(CAPPLICATION_Theme);
	else
    GB.StoreString(PROP(GB_STRING), &CAPPLICATION_Theme);

END_PROPERTY


BEGIN_PROPERTY(CDESKTOP_scale)

  GB.ReturnInteger(MAIN_scale);

END_PROPERTY


GB_DESC CDesktopDesc[] =
{
  GB_DECLARE("Desktop", 0), GB_VIRTUAL_CLASS(),

  GB_STATIC_PROPERTY_READ("W", "i", CDESKTOP_width),
  GB_STATIC_PROPERTY_READ("H", "i", CDESKTOP_height),
  GB_STATIC_PROPERTY_READ("Width", "i", CDESKTOP_width),
  GB_STATIC_PROPERTY_READ("Height", "i", CDESKTOP_height),
  GB_STATIC_PROPERTY_READ("Charset", "s", CDESKTOP_charset),
  GB_STATIC_PROPERTY_READ("Resolution", "i", CDESKTOP_resolution),
  GB_STATIC_PROPERTY_READ("Scale", "i", CDESKTOP_scale),

  GB_STATIC_METHOD("Grab", "Picture", CDESKTOP_grab, NULL),

  GB_END_DECLARE
};

GB_DESC CApplicationTooltipDesc[] =
{
  GB_DECLARE(".ApplicationTooltip", 0), GB_VIRTUAL_CLASS(),

  GB_STATIC_PROPERTY("Enabled", "b", CAPP_tooltip_enabled),
  GB_STATIC_PROPERTY("Font", "Font", CAPP_tooltip_font),

  GB_END_DECLARE
};

GB_DESC CApplicationDesc[] =
{
  GB_DECLARE("Application", 0), GB_VIRTUAL_CLASS(),

	GB_STATIC_METHOD("_exit", NULL, CAPPLICATION_exit, NULL),
  GB_STATIC_PROPERTY("Font", "Font", CAPP_font),
  GB_STATIC_PROPERTY_READ("ActiveWindow", "Window", CAPP_active_window),
  GB_STATIC_PROPERTY_READ("ActiveControl", "Control", CAPP_active_control),
  GB_STATIC_PROPERTY_READ("MainWindow", "Window", CAPP_main_window),
  GB_STATIC_PROPERTY("Busy", "i", CAPP_busy),
  GB_STATIC_PROPERTY_SELF("ToolTip", ".ApplicationTooltip"),
  GB_STATIC_PROPERTY("Embedder", "p", CAPP_embedder),
  GB_STATIC_PROPERTY("Theme", "s", CAPPLICATION_theme),

  GB_END_DECLARE
};