kdeui

kpanelapplet.cpp

00001 /*****************************************************************
00002 
00003 Copyright (c) 2000 Matthias Elter
00004 
00005 Permission is hereby granted, free of charge, to any person obtaining a copy
00006 of this software and associated documentation files (the "Software"), to deal
00007 in the Software without restriction, including without limitation the rights
00008 to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
00009 copies of the Software, and to permit persons to whom the Software is
00010 furnished to do so, subject to the following conditions:
00011 
00012 The above copyright notice and this permission notice shall be included in
00013 all copies or substantial portions of the Software.
00014 
00015 THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
00016 IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
00017 FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT.  IN NO EVENT SHALL THE
00018 AUTHORS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN
00019 AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN
00020 CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
00021 
00022 ******************************************************************/
00023 
00024 #include <qptrlist.h>
00025 
00026 #include "kpanelapplet.h"
00027 #include "kpanelapplet.moc"
00028 #include <kapplication.h>
00029 #include <kconfig.h>
00030 
00031 class KPanelApplet::KPanelAppletPrivate
00032 {
00033 public:
00034   KPanelAppletPrivate()
00035     : customMenu(0),
00036       hasFocus(false)
00037       {}
00038 
00039   const QPopupMenu* customMenu;
00040   KSharedConfig::Ptr sharedConfig;
00041   QPtrList<QObject> watchedForFocus;
00042   bool hasFocus;
00043 };
00044 
00045 KPanelApplet::KPanelApplet(const QString& configFile, Type type,
00046                            int actions, QWidget *parent, const char *name, WFlags f)
00047   : QFrame(parent, name, f)
00048   , _type(type)
00049   , _position( pBottom )
00050   , _alignment( LeftTop )
00051   , _config(0)
00052   , _actions(actions)
00053   , d(new KPanelApplet::KPanelAppletPrivate())
00054 {
00055   setFrameStyle(NoFrame);
00056   QPalette pal(palette());
00057   if(pal.active().mid() != pal.inactive().mid()){
00058     pal.setInactive(pal.active());
00059     setPalette(pal);
00060   }
00061   setBackgroundOrigin( AncestorOrigin );
00062 
00063   d->sharedConfig = KSharedConfig::openConfig(configFile, kapp && kapp->config()->isImmutable());
00064   _config = d->sharedConfig;
00065 }
00066 
00067 KPanelApplet::~KPanelApplet()
00068 {
00069   d->watchedForFocus.clear();
00070   needsFocus(false);
00071   delete d;
00072 }
00073 
00074 void KPanelApplet::setPosition( Position p )
00075 {
00076   if( _position == p ) return;
00077   _position = p;
00078   positionChange( p );
00079 }
00080 
00081 void KPanelApplet::setAlignment( Alignment a )
00082 {
00083   if( _alignment == a ) return;
00084   _alignment = a;
00085   alignmentChange( a );
00086 }
00087 
00088 // FIXME: Remove implementation for KDE 4
00089 void KPanelApplet::positionChange( Position )
00090 {
00091   orientationChange( orientation() );
00092   QResizeEvent e( size(), size() );
00093   resizeEvent( &e );
00094   popupDirectionChange( popupDirection() );
00095 }
00096 
00097 Qt::Orientation KPanelApplet::orientation() const
00098 {
00099   if( _position == pTop || _position == pBottom ) {
00100     return Horizontal;
00101   } else {
00102     return Vertical;
00103   }
00104 }
00105 
00106 // FIXME: Remove for KDE 4
00107 KPanelApplet::Direction KPanelApplet::popupDirection()
00108 {
00109     switch( _position ) {
00110     case pTop:     return Down;
00111     case pRight:   return Left;
00112     case pLeft:    return Right;
00113     default:
00114     case pBottom:  return Up;
00115     }
00116 }
00117 
00118 void KPanelApplet::action( Action a )
00119 {
00120     if ( (a & About) )
00121     about();
00122     if ( (a & Help) )
00123     help();
00124     if ( (a & Preferences) )
00125     preferences();
00126     if ( (a & ReportBug) )
00127     reportBug();
00128 }
00129 
00130 const QPopupMenu* KPanelApplet::customMenu() const
00131 {
00132     return d->customMenu;
00133 }
00134 
00135 void KPanelApplet::setCustomMenu(const QPopupMenu* menu)
00136 {
00137     d->customMenu = menu;
00138 }
00139 
00140 void KPanelApplet::watchForFocus(QWidget* widget, bool watch)
00141 {
00142     if (!widget)
00143     {
00144         return;
00145     }
00146 
00147     if (watch)
00148     {
00149         if (d->watchedForFocus.find(widget) == -1)
00150         {
00151             d->watchedForFocus.append(widget);
00152             widget->installEventFilter(this);
00153         }
00154     }
00155     else if (d->watchedForFocus.find(widget) != -1)
00156     {
00157         d->watchedForFocus.remove(widget);
00158         widget->removeEventFilter(this);
00159     }
00160 }
00161 
00162 void KPanelApplet::needsFocus(bool focus)
00163 {
00164     if (focus == d->hasFocus)
00165     {
00166         return;
00167     }
00168 
00169     d->hasFocus = focus;
00170     emit requestFocus(focus);
00171 }
00172 
00173 bool KPanelApplet::eventFilter(QObject *o, QEvent * e)
00174 {
00175     if (d->watchedForFocus.find(o) != -1)
00176     {
00177         if (e->type() == QEvent::MouseButtonRelease ||
00178             e->type() == QEvent::FocusIn)
00179         {
00180             needsFocus(true);
00181         }
00182         else if (e->type() == QEvent::FocusOut)
00183         {
00184             needsFocus(false);
00185         }
00186     }
00187 
00188     return QFrame::eventFilter(o, e);
00189 }
00190 
00191 KSharedConfig::Ptr KPanelApplet::sharedConfig() const
00192 {
00193     return d->sharedConfig;
00194 }
00195 
00196 void KPanelApplet::virtual_hook( int, void* )
00197 { /*BASE::virtual_hook( id, data );*/ }
00198
kdeui

kpanelapplet.cpp

kdeui

API Reference
