kwindowlistmenu.cpp
/*****************************************************************
Copyright (c) 2000 Matthias Elter <elter@kde.org>
Matthias Ettrich <ettrich@kde.org>
Permission is hereby granted, free of charge, to any person obtaining a copy
of this software and associated documentation files (the "Software"), to deal
in the Software without restriction, including without limitation the rights
to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
copies of the Software, and to permit persons to whom the Software is
furnished to do so, subject to the following conditions:
The above copyright notice and this permission notice shall be included in
all copies or substantial portions of the Software.
THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
AUTHORS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN
AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN
CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
******************************************************************/
#include <qglobal.h>
#ifdef Q_WS_X11
#include "config.h"
#include <qpainter.h>
#include <qvaluelist.h>
#include <kwin.h>
#include <kwinmodule.h>
#include <klocale.h>
#include <kstringhandler.h>
#include <netwm.h>
#include <kapplication.h>
#include <kstyle.h>
#include <dcopclient.h>
#undef Bool
#include "kwindowlistmenu.h"
#include "kwindowlistmenu.moc"
static QCString kwinName() {
QCString appname;
int screen_number = DefaultScreen(qt_xdisplay());
if (screen_number == 0)
appname = "kwin";
else
appname.sprintf("kwin-screen-%d", screen_number);
return appname;
}
// helper class
namespace
{
class NameSortedInfoList : public QPtrList<KWin::WindowInfo>
{
public:
NameSortedInfoList() { setAutoDelete(true); }
~NameSortedInfoList() {}
private:
int compareItems( QPtrCollection::Item s1, QPtrCollection::Item s2 );
};
int NameSortedInfoList::compareItems( QPtrCollection::Item s1, QPtrCollection::Item s2 )
{
KWin::WindowInfo *i1 = static_cast<KWin::WindowInfo *>(s1);
KWin::WindowInfo *i2 = static_cast<KWin::WindowInfo *>(s2);
QString title1, title2;
if (i1)
title1 = i1->visibleNameWithState().lower();
if (i2)
title2 = i2->visibleNameWithState().lower();
return title1.compare(title2);
}
} // namespace
KWindowListMenu::KWindowListMenu(QWidget *parent, const char *name)
: KPopupMenu(parent, name)
{
kwin_module = new KWinModule(this);
connect(this, SIGNAL(activated(int)), SLOT(slotExec(int)));
}
KWindowListMenu::~KWindowListMenu()
{
}
static bool standaloneDialog( const KWin::WindowInfo* info, const NameSortedInfoList& list )
{
WId group = info->groupLeader();
if( group == 0 )
{
return info->transientFor() == qt_xrootwin();
}
for( QPtrListIterator< KWin::WindowInfo > it( list );
it.current() != NULL;
++it )
if( (*it)->groupLeader() == group )
return false;
return true;
}
void KWindowListMenu::init()
{
int i, d;
i = 0;
int nd = kwin_module->numberOfDesktops();
int cd = kwin_module->currentDesktop();
WId active_window = kwin_module->activeWindow();
// Make sure the popup is not too wide, otherwise clicking in the middle of kdesktop
// wouldn't leave any place for the popup, and release would activate some menu entry.
int maxwidth = kapp->desktop()->screenGeometry( this ).width() / 2 - 100;
clear();
map.clear();
int unclutter = insertItem( i18n("Unclutter Windows"),
this, SLOT( slotUnclutterWindows() ) );
int cascade = insertItem( i18n("Cascade Windows"),
this, SLOT( slotCascadeWindows() ) );
// if we only have one desktop we won't be showing titles, so put a separator in
if (nd == 1)
{
insertSeparator();
}
QValueList<KWin::WindowInfo> windows;
for (QValueList<WId>::ConstIterator it = kwin_module->windows().begin();
it != kwin_module->windows().end(); ++it) {
windows.append( KWin::windowInfo( *it, NET::WMDesktop ));
}
bool show_all_desktops_group = ( nd > 1 );
for (d = 1; d <= nd + (show_all_desktops_group ? 1 : 0); d++) {
bool on_all_desktops = ( d > nd );
int items = 0;
if (!active_window && d == cd)
setItemChecked(1000 + d, true);
NameSortedInfoList list;
list.setAutoDelete(true);
for (QValueList<KWin::WindowInfo>::ConstIterator it = windows.begin();
it != windows.end(); ++it) {
if (((*it).desktop() == d) || (on_all_desktops && (*it).onAllDesktops())
|| (!show_all_desktops_group && (*it).onAllDesktops())) {
list.inSort(new KWin::WindowInfo( (*it).win(),
NET::WMVisibleName | NET::WMState | NET::XAWMState | NET::WMWindowType,
NET::WM2GroupLeader | NET::WM2TransientFor ));
}
}
for (KWin::WindowInfo* info = list.first(); info; info = list.next(), ++i)
{
QString itemText = KStringHandler::cPixelSqueeze(info->visibleNameWithState(), fontMetrics(), maxwidth);
NET::WindowType windowType = info->windowType( NET::NormalMask | NET::DesktopMask
| NET::DockMask | NET::ToolbarMask | NET::MenuMask | NET::DialogMask
| NET::OverrideMask | NET::TopMenuMask | NET::UtilityMask | NET::SplashMask );
if ( (windowType == NET::Normal || windowType == NET::Unknown
|| (windowType == NET::Dialog && standaloneDialog( info, list )))
&& !(info->state() & NET::SkipTaskbar) ) {
QPixmap pm = KWin::icon(info->win(), 16, 16, true );
items++;
// ok, we have items on this desktop, let's show the title
if ( items == 1 && nd > 1 )
{
if( !on_all_desktops )
insertTitle(kwin_module->desktopName( d ), 1000 + d);
else
insertTitle(i18n("On All Desktops"), 2000 );
}
// Avoid creating unwanted accelerators.
itemText.replace('&', QString::fromLatin1("&&"));
insertItem( pm, itemText, i);
map.insert(i, info->win());
if (info->win() == active_window)
setItemChecked(i, true);
}
}
if (d == cd)
{
setItemEnabled(unclutter, items > 0);
setItemEnabled(cascade, items > 0);
}
}
// no windows?
if (i == 0)
{
if (nd > 1)
{
// because we don't have any titles, nor a separator
insertSeparator();
}
setItemEnabled(insertItem(i18n("No Windows")), false);
}
}
void KWindowListMenu::slotExec(int id)
{
if (id == 2000)
; // do nothing
else if (id > 1000)
KWin::setCurrentDesktop(id - 1000);
else if ( id >= 0 )
KWin::forceActiveWindow(map[id]);
}
// This popup is much more useful from keyboard if it has the active
// window active by default - however, QPopupMenu tries hard to resist.
// QPopupMenu::popup() resets the active item, so this needs to be
// called after popup().
void KWindowListMenu::selectActiveWindow()
{
for( unsigned int i = 0;
i < count();
++i )
if( isItemChecked( idAt( i )))
{
setActiveItem( i );
break;
}
}
void KWindowListMenu::slotUnclutterWindows()
{
kapp->dcopClient()->send(kwinName(), "KWinInterface", "unclutterDesktop()", "");
}
void KWindowListMenu::slotCascadeWindows()
{
kapp->dcopClient()->send(kwinName(), "KWinInterface", "cascadeDesktop()", "");
}
void KWindowListMenu::virtual_hook( int id, void* data )
{ KPopupMenu::virtual_hook( id, data ); }
#endif // Q_WS_X11
KWin::WindowInfo
KWin::WindowInfo::visibleNameWithState
QString visibleNameWithState() const
klocale.h
KWin::WindowInfo::transientFor
WId transientFor() const
KWin::WindowInfo::state
unsigned long state() const
KWin::WindowInfo::win
WId win() const
KWinModule
NET::WindowType
WindowType
KWin::forceActiveWindow
static void forceActiveWindow(WId win, long time=0)
KStringHandler::cPixelSqueeze
static QString cPixelSqueeze(const QString &name, const QFontMetrics &fontMetrics, uint maxPixels)
KStdAction::clear
KAction * clear(const QObject *recvr, const char *slot, KActionCollection *parent, const char *name)
Clear the content of the focus widget.
Definition: kstdaction.cpp:176
KWin::setCurrentDesktop
static void setCurrentDesktop(int desktop)
KWin::WindowInfo::windowType
NET::WindowType windowType(int supported_types) const
KWin::windowInfo
static WindowInfo windowInfo(WId win, unsigned long properties=0, unsigned long properties2=0)
KWin::WindowInfo::groupLeader
WId groupLeader() const
KWin::icon
static QPixmap icon(WId win, int width=-1, int height=-1, bool scale=false)

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