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tdelibs/tdeui/kdialog.cpp

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/* This file is part of the KDE Libraries
* Copyright (C) 1998 Thomas Tanghus (tanghus@earthling.net)
* Additions 1999-2000 by Espen Sand (espen@kde.org)
*
* This library is free software; you can redistribute it and/or
* modify it under the terms of the GNU Library General Public
* License as published by the Free Software Foundation; either
* version 2 of the License, or (at your option) any later version.
*
* This library 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
* Library General Public License for more details.
*
* You should have received a copy of the GNU Library General Public License
* along with this library; see the file COPYING.LIB. If not, write to
* the Free Software Foundation, Inc., 51 Franklin Street, Fifth Floor,
* Boston, MA 02110-1301, USA.
*/
#include <kconfig.h>
#include <kapplication.h>
#include <kdialog.h>
#include <kwhatsthismanager_p.h>
#include <kdebug.h>
#include <kstaticdeleter.h>
#include <kiconloader.h>
#include <kglobalsettings.h>
#include <klocale.h>
#include <tqlayout.h>
#include <tqobjectlist.h>
#include <tqguardedptr.h>
#include <tqlineedit.h>
#include <tqvaluelist.h>
#include <tqtimer.h>
#include <tqcursor.h>
#include <tqlabel.h>
#include <tqstyle.h>
#include <tqimage.h>
#include "config.h"
#ifdef Q_WS_X11
#include <netwm.h>
#endif
const int KDialog::mMarginSize = 11;
const int KDialog::mSpacingSize = 6;
template class TQPtrList<TQLayoutItem>;
KDialog::KDialog(TQWidget *parent, const char *name, bool modal, WFlags f)
: TQDialog(parent, name, modal, f), d(0)
{
KWhatsThisManager::init ();
}
//
// Grab QDialogs keypresses if non-modal.
//
void KDialog::keyPressEvent(TQKeyEvent *e)
{
if ( e->state() == 0 )
{
switch ( e->key() )
{
case Key_Escape:
case Key_Enter:
case Key_Return:
{
if(testWFlags((WFlags)(WType_Dialog | WShowModal)))
{
TQDialog::keyPressEvent(e);
}
else
{
e->ignore();
}
}
break;
default:
e->ignore();
return;
}
}
else
{
// accept the dialog when Ctrl-Return is pressed
if ( e->state() == ControlButton &&
(e->key() == Key_Return || e->key() == Key_Enter) )
{
e->accept();
accept();
}
else
{
e->ignore();
}
}
}
int KDialog::marginHint()
{
return mMarginSize;
}
int KDialog::spacingHint()
{
return mSpacingSize;
}
// KDE4: Remove me
void KDialog::polish()
{
TQDialog::polish();
}
void KDialog::setCaption( const TQString &_caption )
{
TQString caption = kapp ? kapp->makeStdCaption( _caption ) : _caption;
setPlainCaption( caption );
}
void KDialog::setPlainCaption( const TQString &caption )
{
TQDialog::setCaption( caption );
#ifdef Q_WS_X11
NETWinInfo info( tqt_xdisplay(), winId(), tqt_xrootwin(), 0 );
info.setName( caption.utf8().data() );
#endif
}
void KDialog::resizeLayout( TQWidget *w, int margin, int spacing )
{
if( w->layout() )
{
resizeLayout( TQT_TQLAYOUTITEM(w->layout()), margin, spacing );
}
if( !w->childrenListObject().isEmpty() )
{
const TQObjectList l = w->childrenListObject();
TQObjectListIterator itr(l);
TQObject *o;
while ((o = itr.current()) != 0) {
if( o->isWidgetType() )
{
resizeLayout( (TQWidget*)o, margin, spacing );
}
++itr;
}
}
}
void KDialog::resizeLayout( TQLayoutItem *lay, int margin, int spacing )
{
TQLayoutIterator it = lay->iterator();
TQLayoutItem *child;
while ( (child = it.current() ) )
{
resizeLayout( child, margin, spacing );
++it;
}
if( lay->layout() )
{
lay->layout()->setMargin( margin );
lay->layout()->setSpacing( spacing );
}
}
static TQRect screenRect( TQWidget *w, int screen )
{
TQDesktopWidget *desktop = TQApplication::desktop();
KConfig gc("kdeglobals", false, false);
gc.setGroup("Windows");
if (desktop->isVirtualDesktop() &&
gc.readBoolEntry("XineramaEnabled", true) &&
gc.readBoolEntry("XineramaPlacementEnabled", true)) {
if ( screen < 0 || screen >= desktop->numScreens() ) {
if ( screen == -1 ) {
screen = desktop->primaryScreen();
} else if ( screen == -3 ) {
screen = desktop->screenNumber( TQCursor::pos() );
} else {
screen = desktop->screenNumber( w );
}
}
return desktop->availableGeometry(screen);
} else {
return desktop->geometry();
}
}
void KDialog::centerOnScreen( TQWidget *w, int screen )
{
if ( !w )
return;
TQRect r = screenRect( w, screen );
w->move( r.center().x() - w->width()/2,
r.center().y() - w->height()/2 );
}
bool KDialog::avoidArea( TQWidget *w, const TQRect& area, int screen )
{
if ( !w )
return false;
TQRect fg = w->frameGeometry();
if ( !fg.intersects( area ) )
return true; // nothing to do.
TQRect scr = screenRect( w, screen );
TQRect avoid( area ); // let's add some margin
avoid.moveBy( -5, -5 );
avoid.rRight() += 10;
avoid.rBottom() += 10;
if ( QMAX( fg.top(), avoid.top() ) <= QMIN( fg.bottom(), avoid.bottom() ) )
{
// We need to move the widget up or down
int spaceAbove = QMAX(0, avoid.top() - scr.top());
int spaceBelow = QMAX(0, scr.bottom() - avoid.bottom());
if ( spaceAbove > spaceBelow ) // where's the biggest side?
if ( fg.height() <= spaceAbove ) // big enough?
fg.setY( avoid.top() - fg.height() );
else
return false;
else
if ( fg.height() <= spaceBelow ) // big enough?
fg.setY( avoid.bottom() );
else
return false;
}
if ( QMAX( fg.left(), avoid.left() ) <= QMIN( fg.right(), avoid.right() ) )
{
// We need to move the widget left or right
int spaceLeft = QMAX(0, avoid.left() - scr.left());
int spaceRight = QMAX(0, scr.right() - avoid.right());
if ( spaceLeft > spaceRight ) // where's the biggest side?
if ( fg.width() <= spaceLeft ) // big enough?
fg.setX( avoid.left() - fg.width() );
else
return false;
else
if ( fg.width() <= spaceRight ) // big enough?
fg.setX( avoid.right() );
else
return false;
}
//kdDebug() << "Moving window to " << fg.x() << "," << fg.y() << endl;
w->move(fg.x(), fg.y());
return true;
}
class KDialogQueuePrivate
{
public:
TQValueList< TQGuardedPtr<TQDialog> > queue;
bool busy;
};
static KStaticDeleter<KDialogQueue> ksdkdq;
KDialogQueue *KDialogQueue::_self=0;
KDialogQueue* KDialogQueue::self()
{
if (!_self)
_self = ksdkdq.setObject(_self, new KDialogQueue);
return _self;
}
KDialogQueue::KDialogQueue() : d(new KDialogQueuePrivate)
{
d->busy = false;
}
KDialogQueue::~KDialogQueue()
{
delete d;
_self = 0;
}
// static
void KDialogQueue::queueDialog(TQDialog *dialog)
{
KDialogQueue *_this = self();
_this->d->queue.append(dialog);
TQTimer::singleShot(0, _this, TQT_SLOT(slotShowQueuedDialog()));
}
void KDialogQueue::slotShowQueuedDialog()
{
if (d->busy)
return;
TQDialog *dialog;
do {
if(d->queue.isEmpty())
return;
dialog = d->queue.first();
d->queue.pop_front();
}
while(!dialog);
d->busy = true;
dialog->exec();
d->busy = false;
delete dialog;
if (!d->queue.isEmpty())
TQTimer::singleShot(20, this, TQT_SLOT(slotShowQueuedDialog()));
else
ksdkdq.destructObject(); // Suicide.
}
void KDialog::virtual_hook( int, void* )
{ /*BASE::virtual_hook( id, data );*/ }
KSMModalDialogHeader::KSMModalDialogHeader(TQWidget* parent)
: TQWidget( parent, "", Qt::WDestructiveClose )
{
TQVBoxLayout* vbox = new TQVBoxLayout( this );
TQFrame* frame = new TQFrame( this );
frame->setFrameStyle( TQFrame::NoFrame );
frame->setLineWidth( 0 );
// we need to set the minimum size for the window
frame->setMinimumWidth(400);
vbox->addWidget( frame );
TQGridLayout* gbox = new TQGridLayout( frame, 1, 1, 0, KDialog::spacingHint() );
TQHBoxLayout* centerbox = new TQHBoxLayout( KDialog::spacingHint() );
TQHBoxLayout* seperatorbox = new TQHBoxLayout( 0 );
centerbox->setMargin(0);
seperatorbox->setMargin(0);
TQWidget* ticon = new TQWidget( frame );
KIconLoader * ldr = KGlobal::iconLoader();
TQPixmap trinityPixmap = ldr->loadIcon("kmenu", KIcon::Panel, KIcon::SizeLarge, KIcon::DefaultState, 0L, true);
// Manually draw the alpha portions of the icon onto the widget background color...
TQRgb backgroundRgb = ticon->paletteBackgroundColor().rgb();
TQImage correctedImage = trinityPixmap.convertToImage();
correctedImage = correctedImage.convertDepth(32);
correctedImage.setAlphaBuffer(true);
int w = correctedImage.width();
int h = correctedImage.height();
for (int y = 0; y < h; ++y) {
TQRgb *ls = (TQRgb *)correctedImage.scanLine( y );
for (int x = 0; x < w; ++x) {
TQRgb l = ls[x];
float alpha_adjust = tqAlpha( l )/255.0;
int r = int( (tqRed( l ) * alpha_adjust) + (tqRed( backgroundRgb ) * (1.0-alpha_adjust)) );
int g = int( (tqGreen( l ) * alpha_adjust) + (tqGreen( backgroundRgb ) * (1.0-alpha_adjust)) );
int b = int( (tqBlue( l ) * alpha_adjust) + (tqBlue( backgroundRgb ) * (1.0-alpha_adjust)) );
int a = int( 255 );
ls[x] = tqRgba( r, g, b, a );
}
}
trinityPixmap.convertFromImage(correctedImage);
ticon->setBackgroundPixmap(trinityPixmap);
ticon->setMinimumSize(trinityPixmap.size());
ticon->setMaximumSize(trinityPixmap.size());
ticon->resize(trinityPixmap.size());
centerbox->addWidget( ticon, AlignCenter );
TQWidget* swidget = new TQWidget( frame );
swidget->resize(2, frame->sizeHint().width());
swidget->setBackgroundColor(Qt::black);
seperatorbox->addWidget( swidget, AlignCenter );
TQLabel* label = new TQLabel( i18n("Trinity Desktop Environment"), frame );
TQFont fnt = label->font();
fnt.setBold( true );
fnt.setPointSize( fnt.pointSize() * 3 / 2 );
label->setFont( fnt );
centerbox->addWidget( label, AlignCenter );
gbox->addLayout(centerbox, 0, 0);
gbox->addLayout(seperatorbox, 1, 0);
setFixedSize( sizeHint() );
}
KSMModalDialogHeader::~KSMModalDialogHeader()
{
}
KSMModalDialog::KSMModalDialog(TQWidget* parent)
: TQWidget( 0, "systemmodaldialogclass", Qt::WStyle_Customize | Qt::WType_Dialog | Qt::WStyle_Title | Qt::WStyle_StaysOnTop | Qt::WDestructiveClose ), m_keepOnTopTimer(NULL), m_allowClose(false)
{
// Signal that we do not want any window controls to be shown at all
Atom kde_wm_system_modal_notification;
kde_wm_system_modal_notification = XInternAtom(tqt_xdisplay(), "_KDE_WM_MODAL_SYS_NOTIFICATION", False);
XChangeProperty(tqt_xdisplay(), winId(), kde_wm_system_modal_notification, XA_INTEGER, 32, PropModeReplace, (unsigned char *) "TRUE", 1L);
TQVBoxLayout* vbox = new TQVBoxLayout( this );
TQFrame* frame = new TQFrame( this );
frame->setFrameStyle( TQFrame::NoFrame );
frame->setLineWidth( style().pixelMetric( TQStyle::PM_DefaultFrameWidth, frame ) );
// we need to set the minimum size for the window
frame->setMinimumWidth(400);
vbox->addWidget( frame );
TQGridLayout* gbox = new TQGridLayout( frame, 1, 1, KDialog::marginHint(), KDialog::spacingHint() );
TQHBoxLayout* centerbox = new TQHBoxLayout( frame, 0, KDialog::spacingHint() );
m_statusLabel = new TQLabel( i18n("Pondering what to do next").append("..."), frame );
TQFont fnt = m_statusLabel->font();
fnt.setBold( false );
fnt.setPointSize( fnt.pointSize() * 1 );
m_statusLabel->setFont( fnt );
gbox->addMultiCellWidget( m_statusLabel, 2, 2, 0, 0, AlignLeft | AlignVCenter );
KSMModalDialogHeader *theader = new KSMModalDialogHeader(this);
centerbox->addWidget( theader, AlignCenter );
gbox->addLayout(centerbox, 0, 0);
setFixedSize( sizeHint() );
setCaption( i18n("Please wait...") );
// Center the dialog
TQSize sh = sizeHint();
TQRect rect = KGlobalSettings::desktopGeometry(TQCursor::pos());
move(rect.x() + (rect.width() - sh.width())/2, rect.y() + (rect.height() - sh.height())/2);
show();
keepMeOnTop();
}
void KSMModalDialog::keepMeOnTop()
{
if (!m_keepOnTopTimer) {
m_keepOnTopTimer = new TQTimer();
connect(m_keepOnTopTimer, TQT_SIGNAL(timeout()), this, TQT_SLOT(keepMeOnTop()));
m_keepOnTopTimer->start(100, FALSE);
}
setActiveWindow();
raise();
setFocus();
}
KSMModalDialog::~KSMModalDialog()
{
m_keepOnTopTimer->stop();
delete m_keepOnTopTimer;
}
void KSMModalDialog::setStatusMessage(TQString message)
{
if (message == "") {
m_statusLabel->setText(i18n("Pondering what to do next").append("..."));
}
else {
m_statusLabel->setText(message);
}
}
void KSMModalDialog::closeSMDialog()
{
m_allowClose = true;
close();
}
void KSMModalDialog::closeEvent(TQCloseEvent *e)
{
//---------------------------------------------
// Don't call the base function because
// we want to ignore the close event
//---------------------------------------------
if (m_allowClose)
TQWidget::closeEvent(e);
}
void KSMModalDialog::setStartupPhase(TQString msg)
{
if (msg == TQString("dcop")) setStatusMessage(i18n("Starting DCOP").append("..."));
if (msg == TQString("kded")) setStatusMessage(i18n("Starting TDE daemon").append("..."));
if (msg == TQString("kcminit")) setStatusMessage(i18n("Starting services").append("..."));
if (msg == TQString("ksmserver")) setStatusMessage(i18n("Starting session").append("..."));
if (msg == TQString("wm started")) setStatusMessage(i18n("Initializing window manager").append("..."));
if (msg == TQString("kdesktop")) setStatusMessage(i18n("Loading desktop").append("..."));
if (msg == TQString("kicker")) setStatusMessage(i18n("Loading panels").append("..."));
if (msg == TQString("session ready")) setStatusMessage(i18n("Restoring applications").append("..."));
}
#include "kdialog.moc"