kwin/tabbox.cpp

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#include "tabbox.h"
#include "workspace.h"
#include "client.h"
#include <qpainter.h>
#include <qlabel.h>
#include <qdrawutil.h>
const bool options_traverse_all = FALSE; // TODO
TabBox::TabBox( Workspace *ws, const char *name )
: QWidget( 0, name, WStyle_Customize | WStyle_NoBorder )
{
wspace = ws;
reset();
}
TabBox::~TabBox()
{
}
/*!
Sets the current mode to \a mode, either DesktopMode or WindowsMode
\sa mode()
*/
void TabBox::setMode( Mode mode )
{
m = mode;
}
/*!
Resets the tab box to display the active client in WindowsMode, or the
current desktop in DesktopMode
*/
void TabBox::reset()
{
QFont f = font();
f.setBold( TRUE );
f.setPointSize( 14 );
setFont( f );
wmax = 0;
if ( mode() == WindowsMode ) {
client = workspace()->activeClient();
clients.clear();
Client* c = workspace()->nextClient( client );
Client* stop = c;
QFontMetrics fm( fontMetrics() );
int cw = 0;
while ( c ) {
if ( (options_traverse_all ||c->isOnDesktop(workspace()->currentDesktop()))
&& (!c->isIconified() || c->mainClient() == c ) ) {
if ( client == c )
clients.prepend( c );
else
clients += c;
cw = fm.width( c->caption() ) + 40;
if ( cw > wmax )
wmax = cw;
}
c = workspace()->nextClient( c );
if ( c == stop )
break;
}
wmax = QMAX( wmax, int(clients.count())*20 );
}
else { // DesktopMode
desk = workspace()->currentDesktop();
}
int w = QMAX( wmax + 20, qApp->desktop()->width()/3 );
setGeometry( (qApp->desktop()->width()-w)/2,
qApp->desktop()->height()/2-fontMetrics().height()*2-10,
w, fontMetrics().height()*4 + 20 );
wmax = QMIN( wmax, width() - 12 );
}
/*!
Shows the next or previous item, depending on \a next
*/
void TabBox::nextPrev( bool next)
{
if ( mode() == WindowsMode ) {
Client* sign = client;
do {
if (client != sign && !sign)
sign = client;
if ( next )
client = workspace()->nextClient(client);
else
client = workspace()->previousClient(client);
} while (client != sign && client &&
(( !options_traverse_all &&
!client->isOnDesktop(workspace()->currentDesktop()) ) ||
( client->isIconified() && client->mainClient() != client ))
);
if (!options_traverse_all && client
&& !client->isOnDesktop(workspace()->currentDesktop()))
client = 0;
}
else { // DesktopMode
if ( next ) {
desk++;
if ( desk > workspace()->numberOfDesktops() )
desk = 1;
} else {
desk--;
if ( desk < 1 )
desk = workspace()->numberOfDesktops();
}
}
paintContents();
}
/*!
Returns the currently displayed client ( only works in WindowsMode ).
Returns 0 if no client is displayed.
*/
Client* TabBox::currentClient()
{
if ( mode() != WindowsMode )
return 0;
return client;
}
/*!
Returns the currently displayed virtual desktop ( only works in
DesktopMode )
Returns -1 if no desktop is displayed.
*/
int TabBox::currentDesktop()
{
if ( mode() != DesktopMode )
return -1;
return desk;
}
/*!
Reimplemented to raise the tab box as well
*/
void TabBox::showEvent( QShowEvent* )
{
raise();
}
/*!
hide the icon box if necessary
*/
void TabBox::hideEvent( QHideEvent* )
{
}
/*!
Paints the tab box
*/
void TabBox::paintEvent( QPaintEvent* )
{
{
QPainter p( this );
style().drawPanel( &p, 0, 0, width(), height(), colorGroup(), FALSE );
style().drawPanel( &p, 4, 4, width()-8, height()-8, colorGroup(), TRUE );
}
paintContents();
}
/*!
Paints the contents of the tab box. Used in paintEvent() and
whenever the contents changes.
*/
void TabBox::paintContents()
{
extern QPixmap* kwin_get_menu_pix_hack();
QPixmap* menu_pix = kwin_get_menu_pix_hack();
QPainter p( this );
QRect r( 6, 6, width()-12, height()-32 );
p.fillRect( r, colorGroup().brush( QColorGroup::Background ) );
if ( mode () == WindowsMode ) {
if ( currentClient() ) {
QString s;
if (!client->isOnDesktop(workspace()->currentDesktop())){
s = KWM::desktopName(client->desktop());
s.append(": ");
}
if (client->isIconified())
s += QString("(")+client->caption()+")";
else
s += client->caption();
int textw = fontMetrics().width( s );
r.setLeft( r.left() + (r.width() - textw)/2);
if ( !client->icon().isNull() ) {
int py = r.center().y() - 16;
r.setLeft( r.left() + 20 );
p.drawPixmap( r.left()-42, py, client->icon() );
}
p.drawText( r, AlignVCenter, s );
}
else {
r.setBottom( r.bottom() + 20 );
p.drawText( r, AlignCenter, "*** No Tasks ***" );
}
int x = (width() - clients.count() * 20 )/2;
int y = height() - 26;
for ( ClientList::ConstIterator it = clients.begin(); it != clients.end(); ++it) {
if ( workspace()->hasClient( *it ) ) { // safety
p.save();
if ( !(*it)->miniIcon().isNull() )
p.drawPixmap( x, y, (*it)->miniIcon() );
else if ( menu_pix )
p.drawPixmap( x, y, *menu_pix );
p.setPen( (*it)==currentClient()?
colorGroup().highlight():colorGroup().background() );
p.drawRect( x-2, y-2, 20, 20 );
p.setPen( colorGroup().foreground() );
x += 20;
}
}
} else { // DesktopMode
p.drawText( r, AlignCenter, QString::number( desk ) );
int x = (width() - workspace()->numberOfDesktops() * 20 )/2;
int y = height() - 26;
QFont f( font() );
f.setPointSize( 12 );
f.setBold( FALSE );
p.setFont(f );
for ( int i = 1; i <= workspace()->numberOfDesktops(); i++ ) {
p.setPen( i == desk?
colorGroup().highlight():colorGroup().background() );
p.drawRect( x-2, y-2, 20, 20 );
qDrawWinPanel( &p, QRect( x, y, 16, 16), colorGroup(), FALSE,
&colorGroup().brush(QColorGroup::Base ) );
p.setPen( colorGroup().text() );
p.drawText( x, y, 16, 16, AlignCenter, QString::number(i) );
x += 20;
}
}
}