/* vi:set ts=8 sts=4 sw=4:
 *
 * VIM - Vi IMproved		by Bram Moolenaar
 *
 * Do ":help uganda"  in Vim to read copying and usage conditions.
 * Do ":help credits" in Vim to see a list of people who contributed.
 */

/*
 * Porting to KDE(2) was done by
 *
 *  (C) 2000 by Thomas Capricelli <orzel@freehackers.org>
 *
 *  Please visit http://freehackers.org/kvim for other vim- or
 *  kde-related coding.
 *
 *  $Id$
 *
 */

#include <assert.h>
#include <qpainter.h>
#include <qevent.h>
#include <qpushbutton.h>
#include <qscrollbar.h>
#include <qlayout.h>
#include <qclipboard.h>
#include <qdragobject.h>
#include <qstrlist.h>
#include <qmenubar.h>
#include <qtextcodec.h>
#if QT_VERSION>=300
#include <qptrlist.h>
#include <ktip.h>
#endif
#include <kglobal.h>
#include <kconfig.h>
#include <kaboutapplication.h>
#include <dcopclient.h>
#include <kaboutkde.h>
#include <kbugreport.h>
#include <kurldrag.h>
#include <kmenubar.h>
#include <ktoolbar.h>
#include <kstandarddirs.h>
#include "gui_kde_wid.h"
#include <qxembed.h>

extern "C"
{
#include "version.h"
}

// Pixmap for dialog
#ifdef FEAT_GUI_DIALOG
# include "../../pixmaps/alert.xpm"
# include "../../pixmaps/error.xpm"
# include "../../pixmaps/generic.xpm"
# include "../../pixmaps/info.xpm"
# include "../../pixmaps/quest.xpm"
#endif

/**
 * Keycodes recognized by vim.
 */
struct special_key {//{{{
    int qtkey;
    char_u code0;
    char_u code1;
} special_keys[] =
{
    {Qt::Key_Up,	'k', 'u'},
    {Qt::Key_Down,	'k', 'd'},
    {Qt::Key_Left,	'k', 'l'},
    {Qt::Key_Right,	'k', 'r'},
    {Qt::Key_F1,	'k', '1'},
    {Qt::Key_F2,	'k', '2'},
    {Qt::Key_F3,	'k', '3'},
    {Qt::Key_F4,	'k', '4'},
    {Qt::Key_F5,	'k', '5'},
    {Qt::Key_F6,	'k', '6'},
    {Qt::Key_F7,	'k', '7'},
    {Qt::Key_F8,	'k', '8'},
    {Qt::Key_F9,	'k', '9'},
    {Qt::Key_F10,	'k', ';'},
    {Qt::Key_F11,	'F', '1'},
    {Qt::Key_F12,	'F', '2'},
    {Qt::Key_F13,	'F', '3'},
    {Qt::Key_F14,	'F', '4'},
    {Qt::Key_F15,	'F', '5'},
    {Qt::Key_F16,	'F', '6'},
    {Qt::Key_F17,	'F', '7'},
    {Qt::Key_F18,	'F', '8'},
    {Qt::Key_F19,	'F', '9'},
    {Qt::Key_F20,	'F', 'A'},
    {Qt::Key_F21,	'F', 'B'},
    {Qt::Key_F22,	'F', 'C'},
    {Qt::Key_F23,	'F', 'D'},
    {Qt::Key_F24,	'F', 'E'},
    {Qt::Key_F25,	'F', 'F'},
    {Qt::Key_F26,	'F', 'G'},
    {Qt::Key_F27,	'F', 'H'},
    {Qt::Key_F28,	'F', 'I'},
    {Qt::Key_F29,	'F', 'J'},
    {Qt::Key_F30,	'F', 'K'},
    {Qt::Key_F31,	'F', 'L'},
    {Qt::Key_F32,	'F', 'M'},
    {Qt::Key_F33,	'F', 'N'},
    {Qt::Key_F34,	'F', 'O'},
    {Qt::Key_F35,	'F', 'P'},
    {Qt::Key_Help,	'%', '1'},
    //    { Qt::Key_Undo,	'&', '8'}, <= hmmm ?
    {Qt::Key_BackSpace,	'k', 'b'},
    {Qt::Key_Insert,	KS_EXTRA, KE_KINS },
    {Qt::Key_Delete,	KS_EXTRA, KE_KDEL },
    {Qt::Key_Home,	'K', '1'},
    {Qt::Key_End,	'K', '4'},
    {Qt::Key_Prior,	'K', '3'},
    {Qt::Key_Next,	'K', '5'},
    {Qt::Key_Print,	'%', '9'},

    {Qt::Key_Plus,	'K', '6'},
    {Qt::Key_Minus,	'K', '7'},
    {Qt::Key_Slash,	'K', '8'},
    {Qt::Key_multiply,	'K', '9'},
    {Qt::Key_Enter,	'K', 'A'},
    {Qt::Key_Period,	'K', 'B'},

    {Qt::Key_0,		'K', 'C'},
    {Qt::Key_1,		'K', 'D'},
    {Qt::Key_2,		'K', 'E'},
    {Qt::Key_3,		'K', 'F'},
    {Qt::Key_4,		'K', 'G'},
    {Qt::Key_5,		'K', 'H'},
    {Qt::Key_6,		'K', 'I'},
    {Qt::Key_7,		'K', 'J'},
    {Qt::Key_8,		'K', 'K'},
    {Qt::Key_9,		'K', 'L'},

    /* End of list marker: */
    {0, 0, 0}
};//}}}

#ifdef FEAT_CLIENTSERVER
typedef int (*QX11EventFilter)(XEvent*);
extern	    QX11EventFilter qt_set_x11_event_filter(QX11EventFilter filter);
static	    QX11EventFilter oldFilter = 0;
static int  kvim_x11_event_filter(XEvent* e);
#endif
void	    gui_keypress(QKeyEvent *e);

/*
 * Return OK if the key with the termcap name "name" is supported.
 */
    int
gui_mch_haskey(char_u * name)//{{{
{
    for (int i = 0; special_keys[i].qtkey != 0; i++)
	if (name[0] == special_keys[i].code0
					  && name[1] == special_keys[i].code1)
	    return OK;
    return FAIL;
}//}}}

/*
 * custom Frame for drawing ...
 */
    void
VimWidget::paintEvent(QPaintEvent *e)//{{{
{
    QRect r = e->rect();
    gui_redraw(r.x(), r.y(), r.width(), r.height());
}//}}}

    void
VimWidget::draw_string(int x, int y, QString s, int len, int flags)//{{{
{
    gui.current_font->setBold(flags & DRAW_BOLD);
    gui.current_font->setUnderline(flags & DRAW_UNDERL);
    gui.current_font->setItalic(flags & DRAW_ITALIC);
    painter->setBackgroundMode(flags & DRAW_TRANSP
				      ? Qt::TransparentMode : Qt::OpaqueMode);
    painter->setFont(*(gui.current_font));
    painter->drawText(x, y, s, len);
}//}}}

    void
VimWidget::mousePressEvent(QMouseEvent *event)//{{{
{
    int		button = 0;
    int		modifiers = 0;
    ButtonState state = event->state();
    ButtonState buttons = event->button();

    //Look at button states
    if (buttons & QMouseEvent::LeftButton)
	button |= MOUSE_LEFT;
    if (buttons & QMouseEvent::RightButton)
	button |= MOUSE_RIGHT;
    if (buttons & QMouseEvent::MidButton)
	button |= MOUSE_MIDDLE;
    //Look for keyboard modifiers
    if (state & QMouseEvent::ShiftButton)
	modifiers |= MOUSE_SHIFT;
    if (state & QMouseEvent::ControlButton)
	modifiers |= MOUSE_CTRL;
    if (state & QMouseEvent::AltButton)
	modifiers |= MOUSE_ALT;
    gui_send_mouse_event(button, event->x(), event->y(), FALSE, modifiers);
#if QT_VERSION>=300
    QByteArray params;
    QDataStream stream(params, IO_WriteOnly);
    stream << kapp->dcopClient()->appId() << button << modifiers
							<< gui.row << gui.col;
    kapp->dcopClient()->emitDCOPSignal(
			 "mousePEvent(QCString, int, int, int, int)", params);
#endif
    event->accept();
}//}}}

#if defined(FEAT_SESSION)
    void
VimMainWindow::saveGlobalProperties(KConfig *conf)
{
    //we write a mksession file to a file written in the user's ~/.kde/share/config/
    //the name of the file in saved in 'conf'
    //when restoring app, we source this file
#if 0 //disabled for release
    QString filename = KGlobal::dirs()->localkdedir() + KGlobal::dirs()->kde_default("config") + kapp->randomString(10);
    QString cmd("mksession ");
    cmd+=filename;
    do_cmdline_cmd((char_u*)cmd.latin1());
    conf->writePathEntry("sessionfile", filename);
    conf->sync();
#endif
}

    void
VimMainWindow::readGlobalProperties (KConfig *conf)
{
#if 0
    QString filename = conf->readPathEntry("sessionfile");
    if (filename.isNull()) return;
    QString cmd("source ");
    cmd+=filename;
    do_cmdline_cmd((char_u*)cmd.latin1());
#endif
}
#endif

    void
VimMainWindow::wheelEvent (QWheelEvent *event)//{{{
{
    ButtonState state = event->state();
    int		button = 0;
    int		modifiers = 0;

    if (event->delta() > 0)
	button |= MOUSE_4;
    else button |= MOUSE_5;

    if (state & ShiftButton)
	modifiers |= MOUSE_SHIFT;
    if (state & ControlButton)
	modifiers |= MOUSE_CTRL;
    if (state & AltButton)
	modifiers |= MOUSE_ALT;

    gui_send_mouse_event(button, event->x(), event->y(), FALSE, modifiers);
#if QT_VERSION>=300
    QByteArray params;
    QDataStream stream(params, IO_WriteOnly);
    stream << kapp->dcopClient()->appId() << button << modifiers
							<< gui.row << gui.col;
    kapp->dcopClient()->emitDCOPSignal(
		       "mouseWhlEvent(QCString, int, int, int, int)", params);
#endif
    event->accept();
}//}}}

    void
VimWidget::mouseDoubleClickEvent(QMouseEvent *event)//{{{
{
    ButtonState state = event->state();
    ButtonState buttons = event->button();
    int		modifiers = 0;
    int		button = 0;

    //Look at button states
    if (buttons & LeftButton)
	button |= MOUSE_LEFT;
    if (buttons & RightButton)
	button |= MOUSE_RIGHT;
    if (buttons & MidButton)
	button |= MOUSE_MIDDLE;

    //Look for keyboard modifiers
    if (state & ShiftButton)
	modifiers |= MOUSE_SHIFT;
    if (state & ControlButton)
	modifiers |= MOUSE_CTRL;
    if (state & AltButton)
	modifiers |= MOUSE_ALT;

    gui_send_mouse_event(button, event->x(), event->y(), TRUE, modifiers);
#if QT_VERSION>=300
    QByteArray params;
    QDataStream stream(params, IO_WriteOnly);
    stream << kapp->dcopClient()->appId() << button << modifiers
							<< gui.row << gui.col;
    kapp->dcopClient()->emitDCOPSignal(
		  "mouseDblClickEvent(QCString, int, int, int, int)", params);
#endif
    event->accept();
}//}}}

    void
VimWidget::mouseMoveEvent(QMouseEvent *event)//{{{
{
    ButtonState state = event->state();
    int		modifiers = 0;
    int		button = 0;

    gui_mch_mousehide(FALSE);

    //Look at button states
    //warning: we use state here, this is important !
    if (state & QMouseEvent::LeftButton
	    || state & QMouseEvent::RightButton
	    || state & QMouseEvent::MidButton)
	button |= MOUSE_DRAG;

    //Look for keyboard modifiers
    if (state & ShiftButton)
	modifiers |= MOUSE_SHIFT;
    if (state & ControlButton)
	modifiers |= MOUSE_CTRL;
    if (state & AltButton)
	modifiers |= MOUSE_ALT;
    if (button != MOUSE_DRAG)
	gui_mouse_moved(event->x(), event->y());
    else
	gui_send_mouse_event(MOUSE_DRAG, event->x(), event->y(),
							    FALSE, modifiers);
}//}}}

    void
VimWidget::mouseReleaseEvent(QMouseEvent *event)//{{{
{
    ButtonState state = event->state();
    int		modifiers = 0;

    //Look for keyboard modifiers
    if (state & ShiftButton)
	modifiers |= MOUSE_SHIFT;
    if (state & ControlButton)
	modifiers |= MOUSE_CTRL;
    if (state & AltButton)
	modifiers |= MOUSE_ALT;

    gui_send_mouse_event(MOUSE_RELEASE, event->x(), event->y(),
							    FALSE, modifiers);
    event->accept();
}//}}}

/*
 *  The main widget (everything but toolbar/menubar)
 */
VimWidget::VimWidget(QWidget *parent, const char *name, WFlags f)//{{{
    :QWidget(parent, name, f)
    , DCOPObject("KVim")
#ifdef FEAT_MZSCHEME
    , mzscheme_timer_id(-1)
#endif
{
    //to be able to show/hide the cursor when moving the mouse
    setMouseTracking(true);
    painter = new QPainter(this);

    setKeyCompression(true);
    setFocusPolicy(QWidget::StrongFocus);
    setAcceptDrops(TRUE); // DND
    blink_state = BLINK_NONE;
    blink_on_time = 700;
    blink_off_time = 400;
    blink_wait_time = 250;
    connect( &blink_timer, SIGNAL(timeout()), SLOT(blink_cursor()));
    connect( &wait_timer, SIGNAL(timeout()), SLOT(wait_timeout()));
    setInputMethodEnabled(true);
}//}}}

    void
VimWidget::execNormal(QString command)//{{{
{
    QString cmd("execute 'normal ");
    cmd += command;
    cmd += "'";
    QCString unistring = vmw->codec->fromUnicode(cmd);
    do_cmdline_cmd((char_u *)(const char*)unistring);
    gui_update_screen();
}//}}}

    void
VimWidget::execInsert(QString command)//{{{
{
    QString cmd("execute 'normal i");
    cmd += command;
    cmd += "'";
    QCString unistring = vmw->codec->fromUnicode(cmd);
    do_cmdline_cmd((char_u *)(const char*)unistring);
    gui_update_screen();
}//}}}

    void
VimWidget::execRaw(QString command)//{{{
{
    QString cmd("execute '");
    cmd += command;
    cmd += "'";
    QCString unistring = vmw->codec->fromUnicode(cmd);
    do_cmdline_cmd((char_u *)(const char*)unistring);
    gui_update_screen();
}//}}}

    void
VimWidget::execCmd(QString command)//{{{
{
    QCString unistring = vmw->codec->fromUnicode(command);
    do_cmdline_cmd((char_u *)(const char*)unistring);
    gui_update_screen();
}//}}}

    QString
VimWidget::eval(QString expr)//{{{
{
#ifdef FEAT_EVAL
    QCString unistring = vmw->codec->fromUnicode(expr);
    QString val((const char *)eval_to_string(
				     (char_u *)(const char*)unistring, NULL));
    return val;
#else
    return QString::null;
#endif
}//}}}

    void
VimWidget::wait(long wtime)//{{{
{
    if (wait_timer.isActive())
	wait_timer.stop();
    wait_done = false;
    wait_timer.start( wtime, true);
}//}}}

    void
VimWidget::wait_timeout() //{{{
{
    wait_done = true;
}//}}}

    void
VimWidget::dragEnterEvent (QDragEnterEvent *e)//{{{
{
#if (defined(FEAT_WINDOWS) && defined(HAVE_DROP_FILE)) || defined(PROTO)
    e->accept(QUriDrag::canDecode(e));
#else
    e->ignore();
#endif
}//}}}

    void
VimWidget::dropEvent(QDropEvent *e) // {{{
{
#if (defined(FEAT_WINDOWS) && defined(HAVE_DROP_FILE)) || defined(PROTO)
    QStrList	urls;

    char_u	**fnames;
    int		redo_dirs = FALSE;
    int		i;
    int		n;
    int		nfiles;
    int		url = FALSE;

    /* Count how many items there may be and normalize delimiters. */

    if (QUriDrag::decode(e, urls))
    {
	n = urls.count();
	fnames = (char_u **)lalloc((n+1) * sizeof(char_u *), TRUE);
	nfiles = 0;
#if QT_VERSION>=300
	QPtrListIterator<char> it(urls);
	for (; it.current(); ++it)
	{
	    KURL u(*it);
#else
	    for (i = 0; i < urls.count(); ++i)
	    {
		KURL u(urls.at(i));
#endif
		if (!u.isLocalFile())
		    url = TRUE;
		else
		{
		    fnames[nfiles] = (char_u *)strdup((const char *)u.path());
		    ++nfiles;
		}
	    }
	    /* Real files (i.e. not http and not ftp) */
	    if (url == FALSE)
	    {
		if (nfiles == 1)
		{
		    if (mch_isdir(fnames[0]))
		    {
			/* Handle dropping a directory on Vim. */
			if (mch_chdir((char *)fnames[0]) == 0)
			{
			    free(fnames[0]);
			    fnames[0] = NULL;
			    redo_dirs = TRUE;
			}
		    }
		}
		else
		{
		    /* Ignore any directories */
		    for (i = 0; i < nfiles; ++i)
		    {
			if (mch_isdir(fnames[i]))
			{
			    vim_free(fnames[i]);
			    fnames[i] = NULL;
			}
		    }
		}

		if (0)
		{
		    /* Shift held down, change to first file's directory */
		    if (fnames[0] != NULL && vim_chdirfile(fnames[0]) == OK)
			redo_dirs = TRUE;
		}
		else
		{
		    char_u	dirname[MAXPATHL];
		    char_u	*s;

		    if (mch_dirname(dirname, MAXPATHL) == OK)
			for (i = 0; i < nfiles; ++i)
			    if (fnames[i] != NULL)
			    {
				s = shorten_fname(fnames[i], dirname);
				if (s != NULL && (s = vim_strsave(s)) != NULL)
				{
				    vim_free(fnames[i]);
				    fnames[i] = s;
				}
			    }
		}
	    }

	    /* Handle the drop, :edit or :split to get to the file */
	    handle_drop(nfiles, fnames, FALSE);

	    if (redo_dirs)
		shorten_fnames(TRUE);
	}

	/* Update the screen display */
	update_screen(NOT_VALID);
#ifdef FEAT_MENU
	gui_update_menus(0);
#endif
	setcursor();
	out_flush();
	gui_update_cursor(FALSE, FALSE);
	gui_mch_flush();
#endif
} // }}}

    void
VimWidget::keyPressEvent(QKeyEvent *e) // {{{
{
    gui_keypress(e);
} // }}}

    void
gui_keypress(QKeyEvent *e) // {{{
{
    int		    key = (int)e->key();
    int		    modifiers = 0, i;
    uchar	    string[256], string2[256];
    uchar	    *s, *d;
    Qt::ButtonState state = e->state();

    QCString unistring = vmw->codec->fromUnicode(e->text());
    if (unistring.length() > 0)
	strncpy((char*)string, (const char*)unistring, unistring.length());
    string[unistring.length()] = 0;
    int len = unistring.length();

    // ignore certain keys
    if (key == Qt::Key_Shift
	    || key == Qt::Key_Alt
	    || key == Qt::Key_Control
	    || key == Qt::Key_Meta
	    || key == Qt::Key_CapsLock
	    || key == Qt::Key_NumLock
	    || key == Qt::Key_ScrollLock)
    {
	e->ignore();
	return;
    }

#ifdef FEAT_MBYTE
    if (input_conv.vc_type != CONV_NONE)
    {
	mch_memmove(string2, string, len);
	len = convert_input(string2, len, sizeof(string2));
	s = string2;
    }
    else
#endif
	s = string;
    d = string;
    for (i = 0; i < len; ++i)
    {
	*d++ = s[i];
	if (d[-1] == CSI && d + 2 < string + sizeof(string))
	{
	    /* Turn CSI into K_CSI. */
	    *d++ = KS_EXTRA;
	    *d++ = (int)KE_CSI;
	}
    }
    len = d - string;


    // change shift-tab (backtab) into S_TAB
    if (key == Qt::Key_BackTab && state & Qt::ShiftButton)
	key = Qt::Key_Tab;

    // Change C-@ and C-2 in NUL ? Gtk does this
    if ((key == Qt::Key_2 || key == Qt::Key_At) && state & Qt::ControlButton)
    {
	string[0] = NUL;
	len = 1;
    }
    else if (len == 0 && (key == Qt::Key_Space || key == Qt::Key_Tab))
    {
	/* When there are modifiers, these keys get zero length; we need the
	 * original key here to be able to add a modifier below. */
	string[0] = (key & 0xff);
	len = 1;
    }
    /* Check for Alt/Meta key (Mod1Mask), but not for a BS, DEL or character
     * that already has the 8th bit set.
     * Don't do this for <S-M-Tab>, that should become K_S_TAB with ALT. */
    if (len == 1
	    && (key != Qt::Key_BackSpace && key != Qt::Key_Delete)
	    && (string[0] & 0x80) == 0
	    && (state & Qt::AltButton)
	    && !(key == Qt::Key_Tab && (state & Qt::ShiftButton)))
    {
	string[0] |= 0x80;
#ifdef FEAT_MBYTE
	if (enc_utf8) // convert to utf-8
	{
	    string[1] = string[0] & 0xbf;
	    string[0] = ((unsigned)string[0] >> 6) + 0xc0;
	    if (string[1] == CSI)
	    {
		string[2] = KS_EXTRA;
		string[3] = (int)KE_CSI;
		len = 4;
	    }
	    else
		len = 2;
	}
#endif
    }

    /* Check for special keys, making sure BS and DEL are recognised. */
    if (len == 0 || key == Qt::Key_BackSpace || key == Qt::Key_Delete)
    {
	while (special_keys[i].qtkey != 0 && special_keys[i].qtkey != key)
	    i++;
	if (special_keys[i].qtkey != 0)
	{
	    string[0] = CSI;
	    string[1] = special_keys[i].code0;
	    string[2] = special_keys[i].code1;
	    len = -3;
	}
/*
	for (i = 0; special_keys[i].qtkey != 0 ; i++)
	{
	    if (special_keys[i].qtkey == key )
	    {
		string[0] = CSI;
		string[1] = special_keys[i].code0;
		string[2] = special_keys[i].code1;
		len = -3;
		break;
	    }
	}*/
    }

    if (len == 0)
    {
	//no need to dump that, that's a QT problem, we can't do anything
	//dbf("Unrecognised Key : %X %s", key, e->text().latin1());
	e->ignore();
	return;
    }


    /* Special keys (and a few others) may have modifiers */
    if (len == -3
	    || key == Qt::Key_Space
	    || key == Qt::Key_Tab
	    || key == Qt::Key_Return
	    || key == Qt::Key_Enter
	    || key == Qt::Key_Escape)
    {
	modifiers = 0;
	if (state & Qt::ShiftButton)
	    modifiers |= MOD_MASK_SHIFT;
	if (state & Qt::ControlButton)
	    modifiers |= MOD_MASK_CTRL;
	if (state & Qt::AltButton)
	    modifiers |= MOD_MASK_ALT;

	/*
	 * For some keys a shift modifier is translated into another key
	 * code. Do we need to handle the case where len != 1 and
	 * string[0] != CSI?
	 */
	if (len == -3)
	    key = TO_SPECIAL(string[1], string[2]);
	else
	    key = string[0];

	key = simplify_key(key, &modifiers);
	if (key == CSI)
	    key = K_CSI;

	if (IS_SPECIAL(key))
	{
	    string[0] = CSI;
	    string[1] = K_SECOND(key);
	    string[2] = K_THIRD(key);
	    len = 3;
	}
	else
	{
	    string[0] = key;
	    len = 1;
	}

	if (modifiers != 0)
	{
	    uchar string2[10];
	    string2[0] = CSI;
	    string2[1] = KS_MODIFIER;
	    string2[2] = modifiers;
	    add_to_input_buf(string2, 3);
	}

    } /* special keys */

    if (len == 1 && ((string[0] == Ctrl_C && ctrl_c_interrupts)
			  || (string[0] == intr_char && intr_char != Ctrl_C)))
    {
	trash_input_buf();
	got_int = TRUE;
    }

    add_to_input_buf(string, len);
    if (p_mh)
	gui_mch_mousehide(TRUE);

    //DCOP Embedding stuff
    //if we are here then the user has type something in the window, thus we can easily imagine that :
    // 1 - text has changed (emit textChanged())
    // 2 - characters were interactively inserted (emit charactersInteractivelyInserted())
    // 3 - cursor position has changed ( emit cursorPositionChanged() )
    // 4 - selection has changed ? dunno yet //XXX
    // 5 - undo changed too ? (each character typed in makes the undo changes anyway)
    // conclusion : this makes a lot of things to send to the vim kpart, maybe too much
    // for now i'll just send : keyboardEvent to the kpart with the event string as parameter,
    // with current current position
    // i'll do the same for mouseEvents
#if QT_VERSION>=300
    QByteArray params;
    QDataStream stream(params, IO_WriteOnly);
    stream << kapp->dcopClient()->appId() << unistring << gui.row << gui.col;
    kapp->dcopClient()->emitDCOPSignal(
		       "keyboardEvent(QCString, QCString, int, int)", params);
#endif
    e->ignore();
} // }}}

#ifdef FEAT_CLIENTSERVER
    void
VimWidget::serverActivate(WId id) //{{{
{
    if (serverName == NULL && serverDelayedStartName != NULL)
    {
	commWindow = id;
	(void)serverRegisterName(qt_xdisplay(), serverDelayedStartName);
    }
    else
	serverChangeRegisteredWindow( qt_xdisplay(), id);
}//}}}
#endif

#ifdef FEAT_XIM

static int preedit_buf_len = 0;
static int im_preedit_cursor = 0;
static int im_preedit_trailing = 0;

    static void
im_delete_preedit(void)
{
    char_u bskey[]  = {CSI, 'k', 'b'};
    char_u delkey[] = {CSI, 'k', 'D'};

    if (State & NORMAL)
    {
	im_preedit_cursor = 0;
	return;
    }
    for (; im_preedit_cursor > 0; --im_preedit_cursor)
	add_to_input_buf(bskey, (int)sizeof(bskey));

    for (; im_preedit_trailing > 0; --im_preedit_trailing)
	add_to_input_buf(delkey, (int)sizeof(delkey));
}

    void
im_set_position(int row, int col)
{
    vmw->w->setMicroFocusHint(
	    TEXT_X(gui.col),
	    TEXT_Y(gui.row), 0, 0, TRUE, &vmw->w->font());
}

    int
im_is_preediting()
{
    return (preedit_start_col != MAXCOL);
}

    int
im_get_feedback_attr(int col)
{
    if (draw_feedback != NULL && col < preedit_buf_len)
    {
	if (draw_feedback[col] & XIMReverse)
	    return HL_INVERSE;
	else if (draw_feedback[col] & XIMUnderline)
	    return HL_UNDERLINE;
	else
	    return hl_attr(HLF_V);
    }

    return -1;
}

    void
VimWidget::imStartEvent(QIMEvent *e)
{
    if (State & CMDLINE)
	preedit_start_col = cmdline_getvcol_cursor();
    else if (curwin != NULL)
	getvcol(curwin, &curwin->w_cursor, &preedit_start_col, NULL, NULL);
    xic = (XIC)!NULL;
    e->accept();
}

    void
VimWidget::imEndEvent(QIMEvent *e)
{
    uchar string[256];

    im_delete_preedit();

    QCString unistring = vmw->codec->fromUnicode(e->text());
    if (unistring.length() > 0)
	strncpy((char*)string, (const char*)unistring, unistring.length());
    string[unistring.length()] = 0;
    int len = unistring.length();

    add_to_input_buf_csi(string, len);
    im_preedit_cursor = 0;
    im_preedit_trailing = 0;
    preedit_start_col = MAXCOL;
    preedit_buf_len = 0;
    if (draw_feedback)
    {
	free(draw_feedback);
	draw_feedback = NULL;
    }
    xic = 0;
    e->accept();
}

    void
VimWidget::imComposeEvent(QIMEvent *e)
{
    uchar string[256];
    char_u backkey[] = {CSI, 'k', 'l'};

    im_delete_preedit();

    if (State & NORMAL)
    {
	im_preedit_cursor = 0;
	return;
    }

    QCString unistring = vmw->codec->fromUnicode(e->text());
    if (unistring.length() > 0)
	strncpy((char*)string, (const char*)unistring,unistring.length());
    string[unistring.length()] = 0;
    int len = unistring.length();
    add_to_input_buf_csi(string, len);

    preedit_buf_len = e->text().length();
    if (draw_feedback == NULL)
	draw_feedback = (char *)alloc(preedit_buf_len);
    else
	draw_feedback = (char *)realloc(draw_feedback, preedit_buf_len);
    preedit_end_col = preedit_start_col;

    char_u *p = string;
    for (int n = 0; n < preedit_buf_len; n++)
    {
	if (n < e->cursorPos() || n >= e->cursorPos() + e->selectionLength())
	    draw_feedback[n] = XIMUnderline;
	else
	    draw_feedback[n] = XIMReverse;
	preedit_end_col += (*mb_ptr2cells)(p);
	p += (*mb_ptr2len_check)(p);
    }
    im_preedit_cursor = e->cursorPos();
    im_preedit_trailing = preedit_buf_len - im_preedit_cursor;

#  ifdef FEAT_RIGHTLEFT
    if ((State & CMDLINE) == 0 && curwin != NULL && curwin->w_p_rl)
	backkey[2] = 'r';
#  endif
    for (int n = 0; n < im_preedit_trailing; n++)
	add_to_input_buf(backkey, (int)sizeof(backkey));

    e->accept();
}
#endif


    void
VimMainWindow::lock()
{
    locked = true;
}

    void
VimMainWindow::unlock()
{
    locked = false;
}

    bool
VimMainWindow::isLocked()
{
    return locked;
}

// ->resize VimWidget if not locked
//
    void
VimMainWindow::resizeEvent(QResizeEvent *e) //{{{
{
    if (vmw->isLocked())
	return;
    //remove toolbar and menubar height
    int height = e->size().height();
    int width = e->size().width();

    if (vmw->menuBar()->isVisible() && vmw->menuBar()->isEnabled()
#if QT_VERSION>=300
	    && !vmw->menuBar()->isTopLevelMenu()
#endif
	    )
	height -= vmw->menuBar()->height();
#ifdef FEAT_TOOLBAR
    if (vmw->toolBar()->isVisible() && vmw->toolBar()->isEnabled()
	    && (vmw->toolBar()->barPos() == KToolBar::Top
		|| vmw->toolBar()->barPos() == KToolBar::Bottom))
	height -= vmw->toolBar()->height();

    if (vmw->toolBar()->isVisible() && vmw->toolBar()->isEnabled()
	    && (vmw->toolBar()->barPos() == KToolBar::Left
		|| vmw->toolBar()->barPos() == KToolBar::Right))
	width -= vmw->toolBar()->width();
#endif
    height = ((int)(height/gui.char_height))*gui.char_height;
    if (!vmw->isLocked())
	gui_resize_shell(width, height);
}//}}}

    void
VimWidget::focusInEvent(QFocusEvent *fe) // {{{
{
    gui_focus_change(true);

    if (blink_state == BLINK_NONE)
	gui_mch_start_blink();
} // }}}

    void
VimWidget::focusOutEvent(QFocusEvent *fe)//{{{
{
    gui_focus_change(false);

    if (blink_state != BLINK_NONE)
	gui_mch_stop_blink();
}//}}}

    void
VimWidget::set_blink_time(long wait, long on, long off)//{{{
{
    blink_wait_time = wait;
    blink_on_time = on;
    blink_off_time = off;
}//}}}

    void
VimWidget::start_cursor_blinking()//{{{
{
    if (blink_timer.isActive())
	blink_timer.stop();

    /* Only switch blinking on if none of the times is zero */
    if (blink_wait_time && blink_on_time && blink_off_time && gui.in_focus)
    {
	blink_state = BLINK_ON;
	gui_update_cursor(TRUE, FALSE);
	// The first blink appears after wait_time
	blink_timer.start( blink_wait_time, true);
    }
}//}}}

    void
VimWidget::blink_cursor()//{{{
{
    if (blink_state == BLINK_ON)
    {
	// set cursor off
	gui_undraw_cursor();
	blink_state = BLINK_OFF;
	blink_timer.start( blink_off_time, true);
    }
    else
    {
	// set cursor on
	gui_update_cursor(TRUE, FALSE);
	blink_state = BLINK_ON;
	blink_timer.start( blink_on_time, true);
    }
}//}}}

    void
VimWidget::stop_cursor_blinking()//{{{
{
    if (blink_timer.isActive())
	blink_timer.stop();

    if (blink_state == BLINK_OFF)
	gui_update_cursor(TRUE, FALSE);

    blink_state = BLINK_NONE;
}//}}}

#ifdef FEAT_MZSCHEME
    void
VimWidget::timerEvent(QTimerEvent * evnt)//{{{
{
    if (evnt->timerId() == mzscheme_timer_id)
	timer_proc();
}//}}}

    void
VimWidget::enable_mzscheme_threads()//{{{
{
    mzscheme_timer_id = startTimer(p_mzq);
}//}}}

    void
VimWidget::disable_mzscheme_threads()//{{{
{
    killTimer(mzscheme_timer_id);
}//}}}
#endif

    void
VimWidget::flash()//{{{
{
    QPainter p(this);

    p.setRasterOp(Qt::XorROP);
    p.fillRect(geometry(), QColor(0xFF, 0xFF, 0xFF));
    p.flush();
    //FIXME: Make this a little smarter. Maybe add a timer or something
    usleep(19000);
    p.fillRect(geometry(), QColor(0xFF, 0xFF, 0xFF));
    p.flush();
    p.end();
}//}}}


/*
 *  The main Window
 */
VimMainWindow::VimMainWindow(const char *name , WFlags f)//{{{
	:KMainWindow(0L, name, f)
{
#ifdef FEAT_CLIENTSERVER
    oldFilter = qt_set_x11_event_filter(kvim_x11_event_filter);
#endif
    if (echo_wid_arg == 1)
    {
	fprintf(stderr, "WID: %ld\n", (long)winId());
	fflush(stderr);
    }

    w = new VimWidget(this, "main vim widget");
    gui.w = w;
    setFocusProxy(w);
    w->setFocus();
    have_tearoff = 0;

    finddlg = new KEdFind(this, 0, false);
    repldlg = new KEdReplace(this, 0, false);
    QObject::connect(finddlg, SIGNAL(search()), this, SLOT(slotSearch()));
    QObject::connect(repldlg, SIGNAL(find()), this, SLOT(slotFind()));
    QObject::connect(repldlg, SIGNAL(replace()), this, SLOT(slotReplace()));
    QObject::connect(repldlg, SIGNAL(replaceAll()), this,
						      SLOT(slotReplaceAll()));

#ifdef FEAT_TOOLBAR
    connect(toolBar(), SIGNAL(clicked(int)), this, SLOT(menu_activated(int)));
#endif
#ifdef FEAT_CLIENTSERVER
    w->serverActivate(winId());

    if (serverName != NULL)
	kapp->dcopClient()->registerAs(QCString((const char*)serverName),
								       false);
    else if (serverDelayedStartName != NULL)
	kapp->dcopClient()->registerAs(
			QCString((const char*)serverDelayedStartName), false);
    else if (argServerName != NULL)
	kapp->dcopClient()->registerAs(argServerName->utf8(), false);
#else
    if (argServerName != NULL)
	kapp->dcopClient()->registerAs(argServerName->utf8(), false);
#endif
    QXEmbed::initialize();

}//{{{

    bool
VimMainWindow::queryClose()//{{{
{
    gui_shell_closed();
    return true;
}//}}}

    bool
VimMainWindow::queryExit()//{{{
{
    return true;
}//}}}

    void
VimMainWindow::menu_activated(int dx)//{{{
{
#ifdef FEAT_MENU
    if (!dx)	// tearoff
	return;
    gui_mch_set_foreground();
    gui_menu_cb((VimMenu *)dx);
#endif
}//}}}


    void
VimMainWindow::clipboard_selection_update()//{{{
{
    if (kapp->clipboard()->ownsSelection())
	clip_own_selection(&clip_star);
    else
	clip_lose_selection(&clip_star);
}//}}}

    void
VimMainWindow::clipboard_data_update()//{{{
{
#if QT_VERSION>=300
    if (kapp->clipboard()->ownsClipboard())
	clip_own_selection(&clip_plus);
    else
	clip_lose_selection(&clip_plus);
#else
    if (kapp->clipboard()->ownsSelection())
	clip_own_selection(&clip_star);
    else
	clip_lose_selection(&clip_star);
#endif
}//}}}

    void
VimMainWindow::slotSearch()//{{{
{
    QString	find_text;
    bool	direction_down = TRUE;
    bool	casesensitive = TRUE;
    int		flags = FRD_FINDNEXT;

    find_text = finddlg->getText();
    direction_down = !(finddlg->get_direction());
    casesensitive = finddlg->case_sensitive();
    //    if (casesensitive) find_text = "\\C" + find_text;
    //    else find_text = "\\c" + find_text;
    if (casesensitive)
	flags |= FRD_MATCH_CASE;
    QCString unistring = vmw->codec->fromUnicode(find_text);
    gui_do_findrepl(flags, (char_u *)(const char *)unistring, NULL,
							 (int)direction_down);
}//}}}

    void
VimMainWindow::slotFind()//{{{
{
    QString	find_text;
    bool	direction_down = TRUE;
    bool	casesensitive = TRUE;
    int		flags = FRD_R_FINDNEXT;

    find_text = repldlg->getText();
    direction_down = !(repldlg->get_direction());
    casesensitive = repldlg->case_sensitive();
    //    if (casesensitive) find_text = "\\C" + find_text;
    //    else find_text = "\\c" + find_text;
    if (casesensitive) flags |= FRD_MATCH_CASE;

    QCString unistring = vmw->codec->fromUnicode(find_text);
    gui_do_findrepl(flags, (char_u *)(const char *)unistring, NULL,
							 (int)direction_down);
}//}}}

    void
VimMainWindow::slotReplace()//{{{
{
    QString	find_text;
    QString     repl_text;
    bool	direction_down = TRUE;
    bool	casesensitive = TRUE;
    int		flags = FRD_REPLACE;

    find_text = repldlg->getText();
    repl_text = repldlg->getReplaceText();
    direction_down = !(repldlg->get_direction());
    //if (casesensitive) find_text = "\\C" + find_text;
    //else find_text = "\\c" + find_text;
    if (casesensitive) flags |= FRD_MATCH_CASE;

    QCString unistring = vmw->codec->fromUnicode(find_text);
    QCString unistring2 = vmw->codec->fromUnicode(repl_text);
    gui_do_findrepl(flags, (char_u *)(const char *)unistring,
		      (char_u *)(const char*)unistring2, (int)direction_down);
}//}}}

    void
VimMainWindow::slotReplaceAll()//{{{
{
    QString	find_text;
    QString     repl_text;
    bool	direction_down = TRUE;
    bool	casesensitive = TRUE;
    int		flags = FRD_REPLACEALL;

    find_text = repldlg->getText();
    repl_text = repldlg->getReplaceText();
    direction_down = !(repldlg->get_direction());
    casesensitive = repldlg->case_sensitive();
    //    if (casesensitive) find_text = "\\C" + find_text;
    //    else find_text = "\\c" + find_text;
    if (casesensitive)
	flags |= FRD_MATCH_CASE;
    QCString unistring = vmw->codec->fromUnicode(find_text);
    QCString unistring2 = vmw->codec->fromUnicode(repl_text);
    gui_do_findrepl(flags, (char_u *)(const char *)unistring,
		      (char_u *)(const char*)unistring2, (int)direction_down);
}//}}}

    void
VimMainWindow::showAboutKDE()
{
    KAboutKDE *kde = new KAboutKDE(this);
    kde->show();
}

    void
VimMainWindow::showAboutApplication()//{{{
{
    KAboutData *aboutData = new KAboutData(
	    "kvim"
	    , I18N_NOOP("KVim")
	    , VIM_VERSION_SHORT
	    , I18N_NOOP("Vim in a KDE interface")
	    , 0
	    , "(c) Vim Team, \":help credits\" for more infos.\nType \":help iccf\" to see how you can help the children in Uganda"
	    , 0l
	    , "http://freehackers.org/kvim"
	    , "kvim-dev@freenux.org"
	    );

    aboutData->addAuthor("Bram Moolenaar",
	    I18N_NOOP("Main vim author"),
	    "Bram@vim.org",
	    "http://www.vim.org/");
    aboutData->addAuthor("Thomas Capricelli",
	    I18N_NOOP("KDE porting"),
	    "orzel@freehackers.org",
	    "http://orzel.freehackers.org");
    aboutData->addAuthor("Philippe Fremy",
	    I18N_NOOP("KDE porting"),
	    "pfremy@chez.com",
	    "http://www.freehackers.org/kvim");
    aboutData->addAuthor("Mark Westcott",
	    I18N_NOOP("Qtopia porting, maintainer of the Qtopia part"),
	    "mark@houseoffish.org",
	    "http://houseoffish.org");
    aboutData->addAuthor("Mickael Marchand",
	    I18N_NOOP("KDE porting, maintainer"),
	    "marchand@kde.org",
	    "http://freenux.org");
    aboutData->addAuthor("Many other people",
	    I18N_NOOP("type :help credits for more infos")
	    );
    aboutData->addCredit("Vince Negri",
	    I18N_NOOP("Antialiasing support, Color fixes"),
	    "vnegri@asl-electronics.co.uk");
    aboutData->addCredit("Malte Starostik",
	    I18N_NOOP("Patch for performance improvement"),
	    "malte@kde.org");
    aboutData->addCredit("Mark Stosberg",
	    I18N_NOOP("Provided a FreeBSD box to debug KVim on BSD"),
	    "mark@summersault.com"
	    );
    aboutData->addCredit("Henrik Skott",
	    I18N_NOOP("Font patch when KDE not configured"),
	    "henrik.skott@hem.utfors.se"
	    );
    aboutData->addCredit("Kailash Sethuraman",
	    I18N_NOOP("NetBSD configure/compilation fixes")
	    );
    aboutData->setLicenseText(
"KVim as an extension of Vim follows Vim license.\n\
You can read it with \":help license\"\n\
Or read the file $VIMRUNTIME/doc/uganda.txt.");

    KAboutApplication *about = new KAboutApplication(aboutData);
    about->show();
}//}}}

    void
VimMainWindow::showTipOfTheDay()
{
#if QT_VERSION>=300
    KTipDialog::showTip(vmw, QString::null, true);
#endif
}

    void
VimMainWindow::buffersToolbar()
{

}

    void
VimMainWindow::showBugReport()
{
    KBugReport *bug= new KBugReport(this, true);
    bug->show();
}

/*
 *   Vim Dialog
 *
 * Returns:
 *  0: Cancel
 *  1- : nb of the pressed button
 */

VimDialog::VimDialog(int type,		/* type of dialog *///{{{
	char_u * title,		/* title of dialog */
	char_u * message,	/* message text */
	char_u * buttons,	/* names of buttons */
	int def_but,		/* default button */
	char_u *textfield)	/* input field */
    :QDialog(vmw, "vim generic dialog", true), // true is for "modal"
    mapper(this, "dialog signal mapper")
{
    /*
     * Create Icon
     */
    char ** icon_data;
    switch (type)
    {
	case VIM_GENERIC:
	    icon_data = generic_xpm;
	    break;
	case VIM_ERROR:
	    icon_data = error_xpm;
	    break;
	case VIM_WARNING:
	    icon_data = alert_xpm;
	    break;
	case VIM_INFO:
	    icon_data = info_xpm;
	    break;
	case VIM_QUESTION:
	    icon_data = quest_xpm;
	    break;
	default:
	    icon_data = generic_xpm;
    };
    QLabel * icon = new QLabel(this);
    icon->setPixmap(QPixmap((const char **) icon_data));
    icon->setFixedSize(icon->sizeHint());

    QLabel * text = new QLabel(QSTR(message), this);
    text->setAlignment(AlignHCenter | AlignVCenter | ExpandTabs);

    QStringList buttonText = QStringList::split(DLG_BUTTON_SEP, QSTR(buttons));
    int butNb = buttonText.count();

    /*
     *  Layout
     */

    QVBoxLayout * vly = new QVBoxLayout(this, 5, 5);
    QHBoxLayout * hly1 = new QHBoxLayout(vly, 5);
    hly1->addWidget(icon);
    hly1->addWidget(text);
    QHBoxLayout * hly3 = new QHBoxLayout(vly , 5);
    if (textfield != NULL)
    {
	entry = new QLineEdit(QSTR(textfield), this);
	entry->setText(QSTR(textfield));
	hly3->addWidget(entry);
	ret = textfield;
    }
    else
	entry = NULL;

    QHBoxLayout * hly2 = new QHBoxLayout(vly, 15);
    QString s;
    QPushButton * pushButton = 0L;
    for (int i = 0; i<butNb; i++)
    {
	s = buttonText[i];
	pushButton = new QPushButton(s, this);
	if (s.find('&') != -1)
	    pushButton->setAccel(s.at(s.find('&') + 1).latin1());

	hly2->addWidget(pushButton);
	if (i == def_but - 1)
	{
	    pushButton->setDefault(true);
	    pushButton->setAutoDefault(true);
	    setResult(i + 1);
	}
	connect(pushButton, SIGNAL(clicked()), &mapper, SLOT(map()));
	mapper.setMapping(pushButton, i + 1);
    }
    connect(&mapper, SIGNAL(mapped(int)), this, SLOT(done(int)));

    setCaption(QSTR(title));

    vly->activate();
}//}}}

    void
VimDialog::done(int r)
{
    if (entry != NULL)
    {
	if (r)
	{
	   QCString unistring = vmw->codec->fromUnicode(entry->text());
	   STRCPY(ret, (const char*)unistring);
	}
	else
	    *ret = NUL;
    }
    QDialog::done(r);
}

/*
 * ScrollBar pool handling
 */
SBPool::SBPool(void)//{{{
    :mapper(this, "SBPool signal mapper")
{
    connect(&mapper, SIGNAL(mapped(int)), this, SLOT(sbUsed(int)));
}//}}}


    void
SBPool::create(GuiScrollbar * sb, int orient)//{{{
{
    switch(orient)
    {
	case SBAR_HORIZ:
	    sb->w = new QScrollBar(QScrollBar::Horizontal, vmw);
	    break;
	case SBAR_VERT:
	    sb->w = new QScrollBar(QScrollBar::Vertical, vmw);
	    break;
	default:
	    sb->w = 0;
	    return;
    }

    connect(sb->w, SIGNAL(valueChanged(int)), &mapper, SLOT(map()));
    mapper.setMapping(sb->w, (long)sb);
}//}}}


    void
SBPool::sbUsed(int who)//{{{
{
    GuiScrollbar *sb = (GuiScrollbar*)who;
    gui_drag_scrollbar(sb, sb->w->value(), FALSE);
}//}}}


    void
SBPool::destroy(GuiScrollbar *sb)//{{{
{
    if (!sb->w)
	return;

    delete sb->w;
    sb->w = 0;
}//}}}

#ifdef FEAT_CLIENTSERVER
    static int
kvim_x11_event_filter(XEvent* e)//{{{
{
    if (e->xproperty.type == PropertyNotify
	    && e->xproperty.atom == commProperty
	    && e->xproperty.window == commWindow
	    && e->xproperty.state == PropertyNewValue)
	serverEventProc(qt_xdisplay(), e);

    if (oldFilter)
	return oldFilter( e );
    return FALSE;
}//}}}
#endif

//add some QT 3 fonts usefull functions
#if QT_VERSION<300
    QString
KVimUtils::toString(QFont *f)
{
    QStringList l;
    l.append(f->family());
    l.append(QString::number(f->pointSize()));
    l.append(QString::number(f->pixelSize()));
    l.append(QString::number((int)f->styleHint()));
    l.append(QString::number(f->weight()));
    l.append(QString::number((int)f->italic()));
    l.append(QString::number((int)f->underline()));
    l.append(QString::number((int)f->strikeOut()));
    l.append(QString::number((int)f->fixedPitch()));
    l.append(QString::number((int)f->rawMode()));
    return l.join(",");
}

    bool
KVimUtils::fromString(QFont *f, QString descrip)
{
   QStringList l(QStringList::split(',', descrip));

    int count = l.count();
    if (count != 10 && count != 9)
	return FALSE;

    f->setFamily(l[0]);
    f->setPointSize(l[1].toInt());
    if (count == 9)
    {
	f->setStyleHint((QFont::StyleHint) l[2].toInt());
	f->setWeight(l[3].toInt());
	f->setItalic(l[4].toInt());
	f->setUnderline(l[5].toInt());
	f->setStrikeOut(l[6].toInt());
	f->setFixedPitch(l[7].toInt());
	f->setRawMode(l[8].toInt());
    }
    else
    {
	f->setPixelSize(l[2].toInt());
	f->setStyleHint((QFont::StyleHint) l[3].toInt());
	f->setWeight(l[4].toInt());
	f->setItalic(l[5].toInt());
	f->setUnderline(l[6].toInt());
	f->setStrikeOut(l[7].toInt());
	f->setFixedPitch(l[8].toInt());
	f->setRawMode(l[9].toInt());
    }
    return TRUE;
}
#endif

    QString
KVimUtils::convertEncodingName(QString name)
{
    if (name.startsWith("ucs") || name.startsWith("utf-16"))
	return QString("utf16");
    if (name == "cp950")
	return QString("Big5");
    return QString();
}