src/gui_kde_x11.cc

/* 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 <qscrollbar.h>
#include <qcstring.h>
#include <qdatetime.h>
#include <qcursor.h>
#include <qfontmetrics.h>
#include <qpaintdevice.h>
#include <qclipboard.h>
#include <qregexp.h>
#include <kaboutkde.h>
#include <kiconloader.h>
#include <kfontdialog.h>
#include <kmessagebox.h>
#include <dcopclient.h>
#include <kwin.h>
#include <kmenubar.h>
#include <kconfig.h>
#if (QT_VERSION>=300)
#include <qnamespace.h>
#include <ktip.h>
#endif
#include <qpopupmenu.h>
#include <qpainter.h>
#include <qtextcodec.h>
#include <qfontmetrics.h>
#include <qfont.h>


#include "gui_kde_wid.h"


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

#include <stdio.h>

/*
 * global variable for KDE, we can't put them in Gui, cause there are C++ types
 */
VimMainWindow	*vmw=0;
SBPool		*sbpool=0;
QString      *argServerName=0;

#ifdef FEAT_MOUSESHAPE
/* The last set mouse pointer shape is remembered, to be used when it goes
 * from hidden to not hidden. */
static int last_shape = 0;
#endif

/*
 * Arguments handled by KDE internally.
 */

#if QT_VERSION>=300
static int tip=0; // 1 no dialog, 0 use it if enabled in conf, 2 force the tip
#endif
static int reverse=0; // 0 bg : white, 1 : bg : black
QString         *startfont;
QSize           *startsize;
static int gui_argc = 0;
static char **gui_argv = NULL;

/*
 * Parse the GUI related command-line arguments.  Any arguments used are
 * deleted from argv, and *argc is decremented accordingly.  This is called
 * when vim is started, whether or not the GUI has been started.
 */
	void
gui_mch_prepare(int *argc, char **argv)// {{{
{
	//copy args for KDE/Qt
	gui_argc = 0;
	//this one is not really good as all options are not for KDE/Qt ...
	gui_argv = (char **)lalloc((long_u)(*argc * sizeof(char *)), FALSE);
	if (gui_argv == NULL)
	    return;
	gui_argv[gui_argc++] = argv[0];

	int found = 0;
	for (int i = 1; i < *argc ; i++)
	{
		if (found!=2)
		    found = 0;
		else {
		    found=0;
		    //remove from the list of argv
		    if (--*argc>i) {
			mch_memmove(&argv[i], &argv[i + 1],
				(*argc - i) * sizeof(char *));
		    }
		    i--;
		    continue;
		}
	
		if (strcmp(argv[i],"--servername")==0) {
			argServerName = new QString(argv[i+1]); // to get the serverName now
		}
#if QT_VERSION>+300
		if (strcmp(argv[i],"-tip")==0 ) {
			tip=2;
			found=1;
		}
		if (strcmp(argv[i],"-notip")==0 ) {
			tip=1;
			found=1;
		}
#endif
		if (strcmp(argv[i],"-black")==0 ) {
			reverse=1;
			found=1;
		}
		/* replaced by -black */
/*		if (strcmp(argv[i],"-rv")==0 ) {
			reverse=1;
			found=1;
		}*/
		if (strcmp(argv[i],"-font")==0 || strcmp(argv[i], "-fn")==0 ) {
			startfont=new QString(argv[i+1]);
			found=2;
		}
		if (strcmp(argv[i],"-geometry")==0 || strcmp (argv[i],"-geom")==0 ) {
			found=2;
			QString text(argv[i+1]);
			QStringList list = QStringList::split(QChar('x'), text);
			startsize = new QSize(list[0].toInt(),list[1].toInt());
		}
		if (strcmp (argv[i],"-display")==0 ) { //XXX: this does not work,
							// too many -display options in main.c !
							// ask Bram ...
			gui_argv[gui_argc++] = strdup("--display");
			gui_argv[gui_argc++] = argv[i+1];
			found=0;
		}
		if (strcmp (argv[i],"--display")==0 ) {
			gui_argv[gui_argc++] = argv[i];
			gui_argv[gui_argc++] = argv[i+1];
			found=2;
		}
		//KDE/Qt options with no args
		if (strcmp(argv[i],"--help-kde")==0 || strcmp (argv[i],"--help-qt")==0
			|| strcmp(argv[i], "--help-all")==0
			|| strcmp(argv[i], "--reverse")==0
			|| strcmp(argv[i], "--author")==0
//			|| strcmp(argv[i], "--version")==0 //disabled we need these for kcmvim
//			|| strcmp(argv[i], "-v")==0
			|| strcmp(argv[i], "--license")==0
			|| strcmp(argv[i], "--cmap")==0
			|| strcmp(argv[i], "--nograb")==0
			|| strcmp(argv[i], "--dograb")==0
			|| strcmp(argv[i], "--sync")==0
			|| strcmp(argv[i], "--noxim")==0
			|| strcmp(argv[i], "--nocrashhandler")==0
			|| strcmp(argv[i], "--waitforwm")==0
		 ) {
			gui_argv[gui_argc++] = argv[i];
			found=1;
		}
		//this outputs KDE and Vim versions :)
		if (strcmp(argv[i],"--version")==0
			|| strcmp (argv[i],"-v")==0
		) {
			gui_argv[gui_argc++] = argv[i];
		}
	

		//KDE/Qt options with one arg
		if ( strcmp(argv[i],"--session")==0
		    || strcmp(argv[i],"--ncols")==0
		    || strcmp(argv[i],"--bg")==0
		    || strcmp(argv[i],"--background")==0
		    || strcmp(argv[i],"--fg")==0
		    || strcmp(argv[i],"--foreground")==0
		    || strcmp(argv[i],"--btn")==0
		    || strcmp(argv[i],"--name")==0
		    || strcmp(argv[i],"--title")==0
		    || strcmp(argv[i],"--inputstyle")==0
		    || strcmp(argv[i],"--im")==0
		    || strcmp(argv[i],"--caption")==0
		    || strcmp(argv[i],"--icon")==0
		    || strcmp(argv[i],"--miniicon")==0
		    || strcmp(argv[i],"--config")==0
		    || strcmp(argv[i],"--dcopserver")==0
		    || strcmp(argv[i],"--style")==0
		    || strcmp(argv[i],"--geometry")==0
		    || strcmp(argv[i],"--smkey")==0
		    || strcmp(argv[i],"-smkey")==0
		    || strcmp(argv[i],"-session")==0
		 ) {
			gui_argv[gui_argc++] = argv[i];
			gui_argv[gui_argc++] = argv[i+1];
			found=2;
		}
	
		//remove from the list of argv
		if (found >= 1 && --*argc>i) {
			mch_memmove(&argv[i], &argv[i + 1],
					(*argc - i) * sizeof(char *));
			i--;
		}
	}
	KCmdLineArgs::init( gui_argc,gui_argv,"kvim", I18N_NOOP("Vim inside KDE"),VIM_VERSION_SHORT);
}// }}}

/****************************************************************************
 * Focus handlers:
 */

/*
 * Initialises time intervals for the cursor blinking
 */
	void
gui_mch_set_blinking(long waittime, long on, long off)//{{{
{
	gui.w->set_blink_time( waittime, on, off );
}//}}}

/*
 * Stop the cursor blinking.  Show the cursor if it wasn't shown.
 */
	void
gui_mch_stop_blink()//{{{
{
	gui.w->stop_cursor_blinking();
}//}}}

/*
 * Start the cursor blinking.  If it was already blinking, this restarts the
 * waiting time and shows the cursor.
 */
	void
gui_mch_start_blink()//{{{
{
	gui.w->start_cursor_blinking();
}//}}}

#ifdef FEAT_MZSCHEME
	void
mzscheme_kde_start_timer()//{{{
{
	gui.w->enable_mzscheme_threads();
}//}}}
	void
mzscheme_kde_stop_timer()//{{{
{
	gui.w->disable_mzscheme_threads();
}//}}}
#endif

/*
 * Check if the GUI can be started.  Called before gvimrc is sourced.
 * Return OK or FAIL.
 */
	int
gui_mch_init_check(void)//{{{
{
	gui.dpy = qt_xdisplay();
	return OK;
}//}}}

/*
 * Initialise the X GUI.  Create all the windows, set up all the call-backs etc.
 * Returns OK for success, FAIL when the GUI can't be started.
 */
	int
gui_mch_init()//{{{
{
	(void) new KApplication();
	KApplication::kApplication()->dcopClient()->registerAs(KApplication::kApplication()->name(),false);
//    dbf("%s %s",KGlobal::locale()->language().latin1(),KLocale::defaultLanguage().latin1());

	vmw = new VimMainWindow("KVim",0);
	vmw->setFrameBorderWidth(0);
	kapp->setMainWidget(vmw);
	kapp->setTopWidget(vmw);

	sbpool = new SBPool;

#if QT_VERSION>=300
	vmw->connect(kapp->clipboard(),SIGNAL(selectionChanged()),vmw,SLOT(clipboard_selection_update()));
#endif
	vmw->connect(kapp->clipboard(),SIGNAL(dataChanged()),vmw,SLOT(clipboard_data_update()));
	clip_lose_selection(&clip_plus);
	clip_lose_selection(&clip_star);

	gui.in_focus = FALSE; // will be updated

	if (reverse) {
		gui.def_norm_pixel = gui_get_color((char_u *)"White");
		gui.def_back_pixel = gui_get_color((char_u *)"Black");
#if QT_VERSION>=300
		gui.w->setEraseColor ( QColor(Qt::black) );
#else
		gui.w->setBackgroundColor ( QColor(Qt::black) );
#endif
	} else {
		gui.def_norm_pixel = gui_get_color((char_u *)"Black");
		gui.def_back_pixel = gui_get_color((char_u *)"White");
#if QT_VERSION>=300
		gui.w->setEraseColor ( QColor(Qt::white) );
#else
		gui.w->setBackgroundColor ( QColor(Qt::white) );
#endif
	}

	gui.norm_pixel = gui.def_norm_pixel;
	gui.back_pixel = gui.def_back_pixel;

	gui.border_width  = 1;
	gui.border_offset = 1;//gui.border_width;
	gui.scrollbar_width=SB_DEFAULT_WIDTH;
	gui.scrollbar_height=SB_DEFAULT_WIDTH;

	//gui.menu_height=vmw->menuBar()->height()+1;
	//gui.toolbar_height=vmw->toolBar()->height();

	return OK;
}//}}}


/*
 * Called when the foreground or background color has been changed.
 */
	void
gui_mch_new_colors()//{{{
{
	QColor rgb;
	rgb.setRgb(gui.back_pixel);
#if QT_VERSION>=300
	gui.w->setEraseColor(rgb);
#else
	gui.w->setBackgroundColor(rgb);
#endif
}//}}}

/*
 * Open the GUI window which was created by a call to gui_mch_init().
 */
	int
gui_mch_open()//{{{
{
        gui.dpy=qt_xdisplay();
	set_normal_colors();

	/* Check that none of the colors are the same as the background color */
	gui_check_colors();

	/* Get the colors for the highlight groups (gui_check_colors() might have
	 * changed them).
	 */
	highlight_gui_started();    /* re-init colors and fonts */
#ifdef FEAT_MENU
	vmw->w->menu = new QPopupMenu(vmw);

#if QT_VERSION>=300
	vmw->w->menu->insertItem(SmallIcon("ktip"), i18n("&Tip of the day..."), vmw, SLOT(showTipOfTheDay()));
	vmw->w->menu->insertSeparator();
#endif
	if (vmw->have_tearoff) vmw->w->menu->insertTearOffHandle(0,0);
	vmw->w->menu->insertItem(i18n("&Report Bug ..."), vmw, SLOT(showBugReport()));
	vmw->w->menu->insertSeparator();
	vmw->w->menu->insertItem(SmallIcon("kvim"), i18n("&About KVim..."), vmw, SLOT(showAboutApplication()));
	vmw->w->menu->insertItem(SmallIcon("about_kde"), i18n("About &KDE..."), vmw, SLOT(showAboutKDE()));
	vmw->menuBar()->insertItem("&KVim", vmw->w->menu);
#endif
	if (startfont!=NULL)
	    gui_mch_init_font((char_u*)startfont->latin1(),0);
	
	if (startsize!=NULL)
	    vmw->resize(startsize->width(), startsize->height());

	gui_mch_update_codec();

	if (kapp->isRestored())
	    if (KMainWindow::canBeRestored(1))
		vmw->restore(1);
	
	vmw->show();
#if QT_VERSION>=300
	if (tip==2) KTipDialog::showTip (vmw,QString::null,true);
	else if (tip==0) KTipDialog::showTip (vmw);
#endif

	return OK;
}//}}}

	void
gui_mch_exit(int rc)//{{{
{
	kapp->quit();
}//}}}

/*
 * Get the position of the top left corner of the window.
 */
	int
gui_mch_get_winpos(int *x, int *y)//{{{
{
	*x = vmw->x();
	*y = vmw->y();
	return OK;
}//}}}

/*
 * Set the position of the top left corner of the window to the given
 * coordinates.
 */
	void
gui_mch_set_winpos(int x, int y)//{{{
{
	vmw->move(x,y);
}//}}}

/*
 * Set the windows size.
 * ->resize VimWidget
 * ->resize vmw (block any events generated from here)
 */
void
gui_mch_set_shellsize(int width, int height,//{{{
		int min_width, int min_height,
		int base_width, int base_height)
{
	//resize VimWidget
	vmw->w->resize(width,height);

	//resize vmw
	int vheight, vwidth;
	vheight = height;
	vwidth = width;

	if (gui.which_scrollbars[SBAR_LEFT]) vwidth+=gui.scrollbar_width;
	if (gui.which_scrollbars[SBAR_RIGHT]) vwidth+=gui.scrollbar_width;
	if (gui.which_scrollbars[SBAR_BOTTOM]) vheight+=gui.scrollbar_height;

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

	if (vmw->toolBar()->isVisible() && vmw->toolBar()->isEnabled() &&
		(vmw->toolBar()->barPos()==KToolBar::Left ||
		 vmw->toolBar()->barPos()==KToolBar::Right))
	    vwidth += vmw->toolBar()->width();
#endif
	vmw->lock();
	vmw->resize(vwidth,vheight);
	gui_mch_update();
	//size should be nearly perfect, update baseSize and sizeIncrement
	vmw->setBaseSize(base_width,vmw->menuBar()->height()+1+vmw->toolBar()->height()+gui.char_height*2);
	vmw->setSizeIncrement( ( ( int )( gui.char_width/2 )*2 ),gui.char_height);
	vmw->unlock();
}//}}}


/*
 * The screen size is used to make sure the initial window doesn't get bigger
 * then the screen.  This subtracts some room for menubar, toolbar and window
 * decorations.
 */
	void
gui_mch_get_screen_dimensions(int *screen_w, int *screen_h)//{{{
{
	*screen_w = kapp->desktop()->width();
	*screen_h = kapp->desktop()->height();
}//}}}

#if defined(FEAT_MENU) || defined(PROTO)
	void
gui_mch_enable_menu(int showit)//{{{
{
	if (showit)
		vmw->menuBar()->show();
	else
		vmw->menuBar()->hide();
	vmw->resize(vmw->width(),vmw->height());
}//}}}
#endif


#if defined(FEAT_TOOLBAR) || defined(PROTO)
	void
gui_mch_show_toolbar(int showit)//{{{
{
	if (showit)
		vmw->toolBar()->show();
	else
		vmw->toolBar()->hide();
	vmw->resize(vmw->width(),vmw->height());
}//}}}
#endif

/*
 * Put up a font dialog and return the selected font name in allocated memory.
 * "oldval" is the previous value.
 * Return NULL when cancelled.
 */

char_u *gui_mch_font_dialog (char_u *oldval)//{{{
{
	QFont myFont( vmw->w->font() );
	if (gui.fontname) {
		gui.fontname=NULL;
	}
	int result = KFontDialog::getFont( myFont, true );
	if ( result != KFontDialog::Accepted ) {
		return NULL;
	}
//	myFont.setFixedPitch(true);
#if QT_VERSION>=300
	QString n = myFont.toString();
#else
	QString n = KVimUtils::toString(&myFont);
#endif
	n.replace(QRegExp(","),"/");
	gui.fontname = (char_u *)strdup((const char *)n);
	n.replace(QRegExp(" "),"\\ ");
	n=QString("To set this font as your default font for KVim, edit your ~/.gvimrc file and add the following lines : \nif has(\"gui_kde\")\nset guifont=")+n+QString("\nendif");// \n OR \n use the control center of KDE and choose the correct fixed font");

	//display a message box which explains how to save your font settings
	KMessageBox::information(vmw, n,"Font Selection", "kvimselectfont");

	return vim_strsave(gui.fontname);
}//}}}

/*
 * Initialise vim to use the font with the given name.
 * Return FAIL if the font could not be loaded, OK otherwise.
 */
	int
gui_mch_init_font(char_u * font_name, int fontset)//{{{
{
	QString fontname;
	GuiFont font=NULL;
	
	if (font_name==NULL) {
#if 0
#if QT_VERSION>=300
		KConfig *base = KGlobal::config();
#else
		KConfigBase *base = KGlobal::config();
#endif
		base->setGroup("General");
		if(!base->hasKey("fixed")) {
			KMessageBox::error(KApplication::kApplication()->mainWidget(),"Cannot load default fixed font\n\nConfigure fonts in KDE Control Center.\n(Just click 'Choose...', 'OK' and then 'Apply')");
			return FAIL;
		}
#if QT_VERSION>=300
		QString f = base->readEntry("fixed");
#else
		QFont ft = base->readFontEntry("fixed", NULL);
		QString f = KVimUtils::toString(&ft);
#endif
		font_name = (char_u*)strdup(f.latin1()); //latin1 ?
#else
		font_name = (char_u*)strdup("misc-fixed/10/-1/5/50/0/0/0/1/0");
#endif
	}
	fontname = (const char *)font_name;
/*	fontname.replace(QRegExp("/"),",");
	font = new QFont();
	font->fromString( fontname );
*/
	gui_mch_free_font(gui.norm_font);
#ifdef FEAT_XFONTSET
	gui_mch_free_fontset(gui.fontset);
	if (fontset)
	    font = gui_mch_get_fontset(font_name,TRUE,TRUE);
#endif
	if (font == NULL) {
	    font = gui_mch_get_font(font_name,FALSE);
	    gui.norm_font = font;
#ifdef FEAT_XFONTSET
	    gui.fontset=NOFONTSET;
#endif
	}
#ifdef FEAT_XFONTSET
	else {
	    gui.fontset=font;
	    gui.norm_font=NOFONT;
	}
#endif

	if (font == NULL)
		return FAIL;

	if (fontname.contains('*') && fontname.contains('-'))
		return FAIL;

	QFontMetrics f(*font);
	gui.char_width  = f.maxWidth();
	gui.char_height = f.height()+p_linespace;
	gui.char_ascent = f.ascent()+p_linespace/2;
	
	//check values, just to make sure and avoid a crash
	if (gui.char_width<=0) gui.char_width=8;
	if (gui.char_height<=0) gui.char_height=1;

	hl_set_font_name(font_name);

	return OK;
}//}}}

	GuiFont
gui_mch_get_font(char_u * name, int report_error)//{{{
{
	QString fontname((const char *)name);
	if (!gui.in_use || name == NULL)
		return NOFONT;
	if (fontname.contains('*') && fontname.contains('-'))
		return NOFONT; // XFLD names not allowed anymore
	QFont *myFont = new QFont();
	fontname.replace(QRegExp("/"),",");
//	myFont->setRawMode(TRUE);

#if QT_VERSION>=300
	myFont->fromString(fontname);
#else
	KVimUtils::fromString(myFont,fontname);
#endif
	myFont->setFixedPitch(true);
	if (!myFont->fixedPitch()) dbf("Non fixed-width font");
	return (GuiFont) myFont;
}//}}}

/*
 * Set the current text font.
 * Since we create all GC on demand, we use just gui.current_font to
 * indicate the desired current font.
 */
	void
gui_mch_set_font(GuiFont font)//{{{
{
	gui.current_font=font;
	gui.w->painter->setFont( *(gui.current_font) );
}//}}}

/*
 * If a font is not going to be used, free its structure.
 */
	void
gui_mch_free_font(GuiFont font)//{{{
{
    if (font)
	delete font; // this is a QFont , we can delete it :)
}//}}}

GuiFontset gui_mch_get_fontset (char_u *name, int report_error, int fixed_width)
{
    return (GuiFontset)gui_mch_get_font(name,report_error);
}

void gui_mch_set_fontset (GuiFontset fontset)
{
    gui_mch_set_font((GuiFont)fontset);
}

void gui_mch_free_fontset (GuiFontset fontset)
{
    if (fontset)
	delete fontset;
}

void gui_mch_settitle (char_u *title, char_u *icon)//{{{
{
	if (!gui.in_use)		/* can't do this when GUI not running */
	    return;
	vmw->setPlainCaption((const char *)title);
	QPixmap p((const char *)icon);
	vmw->setIcon(p); //FIXME
}//}}}

/*
 * Return the Pixel value (color) for the given color name.  This routine was
 * pretty much taken from example code in the Silicon Graphics OSF/Motif
 * Programmer's Guide.
 * Return -1 for error.
 */
	guicolor_T
gui_mch_get_color(char_u * name)//{{{
{
	int i;
	static char *(vimnames[][2]) =
	{
		/* A number of colors that some X11 systems don't have */
		{"LightRed", "#FFA0A0"},
		{"LightGreen", "#80FF80"},
		{"LightMagenta", "#FFA0FF"},
		{"DarkCyan", "#008080"},
		{"DarkBlue", "#0000C0"},
		{"DarkRed", "#C00000"},
		{"DarkMagenta", "#C000C0"},
		{"DarkGrey", "#C0C0C0"},
		{NULL, NULL}
	};

	if (!gui.in_use)		/* can't do this when GUI not running */
		return (guicolor_T)(-1);

	QColor _color((const char *)name);


	if (_color.isValid()) {
		//return (_color.red() << 16) +  ((_color.green() << 8)) + (_color.blue());
		return _color.rgb();
		//return (guicolor_T) _color.pixel();
	}

	/* add a few builtin names */
	for (i = 0;; ++i) {
		if (vimnames[i][0] == NULL)
			return (guicolor_T)(-1);
		if (STRICMP(name, vimnames[i][0]) == 0) {
			name = (char_u *) vimnames[i][1];
			return gui_mch_get_color(name);
		}
	}

	return (guicolor_T)(-1); // dead code, should not be reached..
}//}}}

/*
 * Set the current text foreground color.
 */
	void
gui_mch_set_fg_color(guicolor_T color)//{{{
{
	QColor rgb;
	rgb.setRgb(color);
	gui.w->painter->setPen( rgb );
}//}}}

/*
 * Set the current text background color.
 */
	void
gui_mch_set_bg_color(guicolor_T color)//{{{
{
	QColor rgb;
	rgb.setRgb(color);
	gui.w->painter->setBackgroundColor(rgb);
}//}}}

/*
 * Use the blank mouse pointer or not.
 *
 * hide: TRUE = use blank ptr, FALSE = use parent ptr
 */
	void
gui_mch_mousehide(int hide)//{{{
{
	if (hide == gui.pointer_hidden) return;
	//#ifdef FEAT_MOUSESHAPE
	//	if( !hide) mch_set_mouse_shape(last_shape);
	//#else
# if (QT_VERSION<300)
	gui.w->setCursor((hide)?BlankCursor:ArrowCursor);
# else
	gui.w->setCursor((hide)?Qt::BlankCursor:Qt::ArrowCursor);
# endif
	//#endif
	gui.pointer_hidden = hide;
}//}}}

	void
gui_mch_update_codec()
{
#ifdef FEAT_MBYTE
	if (!gui.in_use) return;
	vmw->codec = QTextCodec::codecForName((const char *)p_enc);
	if (vmw->codec==NULL)
	    vmw->codec = QTextCodec::codecForName(KVimUtils::convertEncodingName(QString((const char*)p_enc)));
	if (vmw->codec==NULL)
	    vmw->codec = QTextCodec::codecForLocale();
#else
        vmw->codec = QTextCodec::codecForLocale();
#endif
	if (vmw->codec==NULL)
	    vmw->codec = QTextCodec::codecForName("ISO-8859-1"); //fallback
}

	void
gui_mch_draw_string(int row, int col, char_u * s, int len, int flags)//{{{
{
	QString text = vmw->codec->toUnicode((const char *)s,len);
	gui.w->draw_string( TEXT_X(col), TEXT_Y(row), text, text.length(), flags );
}//}}}

#if defined(FEAT_TITLE) || defined(PROTO)
/*
 * Return the text window-id and display.  Only required for X-based GUI's
 */
	int
gui_get_x11_windis(Window * win, Display ** dis)//{{{
{
	*win = /*vmw*/gui.w->winId();
	*dis = qt_xdisplay();
	return OK;
}//}}}
#endif

	void
gui_mch_beep()//{{{
{
	kapp->beep();
}//}}}

	void
gui_mch_flash(int msec)//{{{
{
	gui.w->flash();
}//}}}

/*
 * Invert a rectangle from row r, column c, for nr rows and nc columns.
 */
	void
gui_mch_invert_rectangle(int r, int c, int nr, int nc)//{{{
{
	bitBlt (
			gui.w,
			FILL_X(c), FILL_Y(r),
			gui.w,
			FILL_X(c), FILL_Y(r),
			(nc) * gui.char_width,
			(nr) * gui.char_height,
			Qt::NotROP,	    // raster Operation
			true );		    // ignoreMask
}//}}}

/*
 * Iconify the GUI window.
 */
	void
gui_mch_iconify()//{{{
{
	vmw->showMinimized();
}//}}}

/*
 * Draw a cursor without focus.
 */
	void
gui_mch_draw_hollow_cursor(guicolor_T color)//{{{
{
	QPainter p(gui.w);
	p.setPen( color );

	p.drawRect(FILL_X(gui.col), FILL_Y(gui.row), gui.char_width - 1, gui.char_height - 1 );

	p.end();
}//}}}

/*
 * Draw part of a cursor, "w" pixels wide, and "h" pixels high, using
 * color "color".
 */
	void
gui_mch_draw_part_cursor(int w, int h, guicolor_T color)//{{{
{
	QPainter p(gui.w);
	p.setPen( color );
	p.fillRect(
			FILL_X(gui.col),
			FILL_Y(gui.row) + gui.char_height - h +1,
			w, h-2, QColor( color, color));
	p.drawRect(FILL_X(gui.col),FILL_Y(gui.row) + gui.char_height - h + (int)p_linespace / 2,
			w, h - (int)p_linespace );

}//}}}


/*
 * Catch up with any queued X11 events.  This may put keyboard input into the
 * input buffer, call resize call-backs, trigger timers etc.  If there is
 * nothing in the X11 event queue (& no timers pending), then we return
 * immediately.
 */
	void
gui_mch_update()//{{{
{
	kapp->processEvents();
}//}}}


/*
 * GUI input routine called by gui_wait_for_chars().  Waits for a character
 * from the keyboard.
 *  wtime == -1     Wait forever.
 *  wtime == 0      This should never happen.
 *  wtime > 0       Wait wtime milliseconds for a character.
 * Returns OK if a character was found to be available within the given time,
 * or FAIL otherwise.
 */
	int
gui_mch_wait_for_chars(long wtime)//{{{
{
	// malte@kde.org's  gift to KVim ;), thanks to him :) for this hard to find bug
	if (wtime>0) {
		gui.w->wait( wtime );
		while ( vim_is_input_buf_empty() && !gui.w->wait_done )
			kapp->processOneEvent();
		return vim_is_input_buf_empty() ? FAIL : OK;
	} else
		while (vim_is_input_buf_empty() ) {
			kapp->processOneEvent();
		}

	return OK;
}//}}}


/****************************************************************************
 * Output drawing routines.
 ****************************************************************************/


/* Flush any output to the screen */
	void
gui_mch_flush()//{{{
{
	kapp->flushX();
}//}}}

/*
 * Clear a rectangular region of the screen from text pos (row1, col1) to
 * (row2, col2) inclusive.
 */
	void
gui_mch_clear_block(int row1, int col1, int row2, int col2)//{{{
{
	gui.w->erase (FILL_X(col1), FILL_Y(row1),
			(col2 - col1 + 1) * gui.char_width+ (col2 == Columns - 1),
			(row2 - row1 + 1) * gui.char_height );
}//}}}

	void
gui_mch_clear_all(void)//{{{
{
	gui.w->erase();
}//}}}


/*
 * Delete the given number of lines from the given row, scrolling up any
 * text further down within the scroll region.
 */
	void
gui_mch_delete_lines(int row, int num_lines)//{{{
{
	if (num_lines <= 0)
		return;

	if (row + num_lines > gui.scroll_region_bot) {
		/* Scrolled out of region, just blank the lines out */
		gui_clear_block(row, gui.scroll_region_left, gui.scroll_region_bot, gui.scroll_region_right);
	} else {
		bitBlt (
				gui.w,
				FILL_X(gui.scroll_region_left), FILL_Y(row),
				gui.w,
				FILL_X(gui.scroll_region_left), FILL_Y(row + num_lines),
				gui.char_width * (gui.scroll_region_right -gui.scroll_region_left + 1) + 1,
				gui.char_height * (gui.scroll_region_bot - row - num_lines + 1),
				Qt::CopyROP,	    // raster Operation
				true );		    // ignoreMask

		/* Update gui.cursor_row if the cursor scrolled or copied over */
		if (gui.cursor_row >= row) {
			if (gui.cursor_row < row + num_lines)
				gui.cursor_is_valid = FALSE;
			else if (gui.cursor_row <= gui.scroll_region_bot)
				gui.cursor_row -= num_lines;
		}

		gui_clear_block(gui.scroll_region_bot - num_lines + 1, gui.scroll_region_left,
				gui.scroll_region_bot, gui.scroll_region_right);

	}
}//}}}

/*
 * Insert the given number of lines before the given row, scrolling down any
 * following text within the scroll region.
 */
	void
gui_mch_insert_lines(int row, int num_lines)//{{{
{
	if (num_lines <= 0)
		return;

	if (row + num_lines > gui.scroll_region_bot) {
		/* Scrolled out of region, just blank the lines out */
		gui_clear_block(row, gui.scroll_region_left, gui.scroll_region_bot, gui.scroll_region_right - 1);
	} else {
		bitBlt (
				gui.w,
				FILL_X(gui.scroll_region_left), FILL_Y(row + num_lines),
				gui.w,
				FILL_X(gui.scroll_region_left), FILL_Y(row),
				gui.char_width * ( gui.scroll_region_right - gui.scroll_region_left + 1 ) + 1,
				gui.char_height * (gui.scroll_region_bot - row - num_lines + 1),
				Qt::CopyROP,	    // raster Operation
				true );		    // ignoreMask

		/* Update gui.cursor_row if the cursor scrolled or copied over */
		if (gui.cursor_row >= gui.row) {
			if (gui.cursor_row <= gui.scroll_region_bot - num_lines)
				gui.cursor_row += num_lines;
			else if (gui.cursor_row <= gui.scroll_region_bot)
				gui.cursor_is_valid = FALSE;
		}

		gui_clear_block(row, gui.scroll_region_left, row + num_lines - 1, gui.scroll_region_right);
	}
}//}}}

/*
 * X Selection stuff, for cutting and pasting text to other windows.
 */
	void
clip_mch_request_selection(VimClipboard *cbd)//{{{
{
#if QT_VERSION>=300
	if (cbd==&clip_star) kapp->clipboard()->setSelectionMode(true);
#endif
	QString selection = kapp->clipboard()->text();

	QCString unistring = vmw->codec->fromUnicode(selection);
	clip_yank_selection(MCHAR,(char_u *)(const char*)unistring,(long) unistring.length(),cbd);
#if QT_VERSION>=300
	if (cbd==&clip_star) kapp->clipboard()->setSelectionMode(false);
#endif
}//}}}

	void
clip_mch_lose_selection(VimClipboard *cbd)//{{{
{
	//Don't need to do anything here
	gui_mch_update();
}//}}}

/*
 * Check whatever we allready own the selection.
 */
	int
clip_mch_own_selection(VimClipboard *cbd)//{{{
{
	if (kapp->clipboard()->ownsSelection())
	    return OK;
	else {
#if QT_VERSION>=300
	    kapp->clipboard()->setSelectionMode(true);
#endif
	    return OK;
	}
}//}}}

/*
 * Send the current selection to the clipboard.
 */
void
clip_mch_set_selection(VimClipboard *cbd){//{{{
	char_u *data;
	long_u length;

	clip_get_selection(cbd);
	if(clip_convert_selection(&data,&length,cbd)<0) return;

	QString selection((const char *) data);
	//We must turncate the string because it is not
	// null terminated
	selection.truncate((uint) length);

#if QT_VERSION>=300
	if (cbd==&clip_star) kapp->clipboard()->setSelectionMode(true);
#endif
	kapp->clipboard()->setText(selection);
#if QT_VERSION>=300
	kapp->clipboard()->setSelectionMode(false);
#endif
}//}}}


#if defined(FEAT_MENU) || defined(PROTO)
/*
 * Make a menu item appear either active or not active (grey or not grey).
 */
	void
gui_mch_menu_grey(vimmenu_T * menu, int grey)//{{{
{
	if ( !menu || !menu->parent || !menu->parent->widget ) return;
	menu->parent->widget->setItemEnabled((int)menu, !grey);
	gui_mch_update();
}//}}}

/*
 * Make menu item hidden or not hidden.
 */
	void
gui_mch_menu_hidden(vimmenu_T * menu, int hidden)//{{{
{
	//FIXME: cannot be fixed AFAIK
	gui_mch_menu_grey(menu,hidden); // it's hard to remove an item in a QPopupMenu
}//}}}

/*
 * This is called after setting all the menus to grey/hidden or not.
 */
	void
gui_mch_draw_menubar()//{{{
{
	// nothing to do under kde
}//}}}
#endif

/*
 * Scrollbar stuff.
 */
	void
gui_mch_enable_scrollbar(scrollbar_T * sb, int flag)//{{{
{
	if (!sb->w) return;
	int width = gui.w->width();
	int height = gui.w->height();
	int neww = vmw->width();
	int newh = vmw->height();

	if (gui.which_scrollbars[SBAR_LEFT]) width += gui.scrollbar_width;
	if (gui.which_scrollbars[SBAR_RIGHT]) width += gui.scrollbar_width;
	if (gui.which_scrollbars[SBAR_BOTTOM]) height += gui.scrollbar_height;
	
	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
	if ( abs(vmw->width() - width)>5 && (sb->type==SBAR_LEFT || sb->type==SBAR_RIGHT) )
	    neww=width;
	if (abs(vmw->height() - height)>5 && (sb->type==SBAR_BOTTOM) )
	    newh=height;

	if (flag)
	    sb->w->show();
	else
	    sb->w->hide();
	gui_mch_update();
	vmw->lock();
	vmw->resize(neww,newh);
	vmw->unlock();
	gui_mch_update();
}//}}}

/*
 * Return the RGB value of a pixel as "#RRGGBB".
 */
	long_u
gui_mch_get_rgb(guicolor_T pixel)//{{{
{
//	QColor c(pixel,pixel);
//	return (c.red() << 16) +  ((c.green() << 8)) + (c.blue());
	return pixel; // funny no ? it looks like with Qt we can always use directly the rgb value (i hope i don't break colors again ;p)
}//}}}

/*
 * Get current y mouse coordinate in text window.
 * Return -1 when unknown.
 */
	int
gui_mch_get_mouse_x(void)//{{{
{
	return vmw->mapFromGlobal( QCursor::pos() ).x();
}//}}}

	int
gui_mch_get_mouse_y(void)//{{{
{
	return vmw->mapFromGlobal( QCursor::pos() ).y();
}//}}}

	void
gui_mch_setmouse(int x, int y)//{{{
{
	QCursor::setPos( vmw->mapToGlobal( QPoint(x,y)) );
}//}}}

#if defined(FEAT_MOUSESHAPE) || defined(PROTO)
#if QT_VERSION>=300
static int mshape_ids[] = {//{{{
	Qt::ArrowCursor,		/* arrow */
	Qt::BlankCursor,		/* blank */
	Qt::IbeamCursor,		/* beam */
	Qt::SizeVerCursor,		/* updown */
	Qt::SplitHCursor,		/* udsizing */
	Qt::SizeHorCursor,		/* leftright */
	Qt::SizeHorCursor,		/* lrsizing */
	Qt::WaitCursor,		/* busy */
	Qt::ForbiddenCursor,	/* no */
	Qt::CrossCursor,		/* crosshair */
	Qt::PointingHandCursor,	/* hand1 */
	Qt::PointingHandCursor,	/* hand2 */
	Qt::ArrowCursor,		/* pencil */
	Qt::WhatsThisCursor,	/* question */
	Qt::ArrowCursor,		/* right-arrow */
	Qt::UpArrowCursor,		/* up-arrow */
	Qt::ArrowCursor		/* last one */
};//}}}
#else
static int mshape_ids[] = {//{{{
	ArrowCursor,		/* arrow */
	BlankCursor,		/* blank */
	IbeamCursor,		/* beam */
	SizeVerCursor,		/* updown */
	SplitHCursor,		/* udsizing */
	SizeHorCursor,		/* leftright */
	SizeHorCursor,		/* lrsizing */
	WaitCursor,			/* busy */
	ForbiddenCursor,		/* no */
	CrossCursor,		/* crosshair */
	PointingHandCursor,		/* hand1 */
	PointingHandCursor,		/* hand2 */
	ArrowCursor,		/* pencil */
	ArrowCursor,		/* question */
	ArrowCursor,		/* right-arrow */
	UpArrowCursor,		/* up-arrow */
	ArrowCursor			/* last one */
};//}}}
#endif

	void
mch_set_mouse_shape (int shape)//{{{
{
	int		   id;

	if (shape == MSHAPE_HIDE || gui.pointer_hidden)
#if QT_VERSION>=300
		gui.w->setCursor(Qt::BlankCursor);
#else
		gui.w->setCursor(BlankCursor);
#endif
	else
	{
		if (shape >= MSHAPE_NUMBERED)
		{
			id = shape - MSHAPE_NUMBERED;
			/*		if (id >= GDK_NUM_GLYPHS)
					id = GDK_LEFT_PTR;
					else
					id &= ~1;*/	/* they are always even (why?) */
			id &= -1;
		}
		else
			id = mshape_ids[shape];

		gui.w->setCursor(id);
	}
	if (shape != MSHAPE_HIDE)
		last_shape = shape;
}//}}}
#endif

	int
gui_mch_adjust_charsize ()//{{{
{
	QFont f(*(gui.current_font));
	QFontMetrics fm (f);
	gui.char_height = fm.height() + p_linespace;
	//gui.char_height = fm.ascent() + fm.descent() + p_linespace;
	gui.char_ascent = fm.ascent() + p_linespace/2;

	return OK;
}//}}}

	void
gui_mch_set_foreground ()//{{{
{
	KWin::setActiveWindow(vmw->winId());
}//}}}