• Skip to content
  • Skip to link menu
KDE 3.5 API Reference
  • KDE API Reference
  • API Reference
  • Sitemap
  • Contact Us
 

kdeui

kpushbutton.cpp

Go to the documentation of this file.
00001 /* This file is part of the KDE libraries
00002     Copyright (C) 2000 Carsten Pfeiffer <pfeiffer@kde.org>
00003 
00004     This library is free software; you can redistribute it and/or
00005     modify it under the terms of the GNU Library General Public
00006     License as published by the Free Software Foundation; either
00007     version 2 of the License, or (at your option) any later version.
00008 
00009     This library is distributed in the hope that it will be useful,
00010     but WITHOUT ANY WARRANTY; without even the implied warranty of
00011     MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
00012     Library General Public License for more details.
00013 
00014     You should have received a copy of the GNU Library General Public License
00015     along with this library; see the file COPYING.LIB.  If not, write to
00016     the Free Software Foundation, Inc., 51 Franklin Street, Fifth Floor,
00017     Boston, MA 02110-1301, USA.
00018 */
00019 
00020 #include "kpushbutton.h"
00021 
00022 #include <qdragobject.h>
00023 #include <qwhatsthis.h>
00024 #include <qtooltip.h>
00025 
00026 #include "config.h"
00027 
00028 #include <kglobalsettings.h>
00029 #include <kconfig.h>
00030 #include <kglobal.h>
00031 #include <kipc.h> 
00032 #include <kapplication.h>
00033 
00034 class KPushButton::KPushButtonPrivate
00035 {
00036 public:
00037     KGuiItem item;
00038     KStdGuiItem::StdItem itemType;
00039 };
00040 
00041 bool KPushButton::s_useIcons = false;
00042 
00043 KPushButton::KPushButton( QWidget *parent, const char *name )
00044     : QPushButton( parent, name ),
00045       m_dragEnabled( false )
00046 {
00047     init( KGuiItem( "" ) );
00048 }
00049 
00050 KPushButton::KPushButton( const QString &text, QWidget *parent,
00051                           const char *name)
00052     : QPushButton( parent, name ),
00053       m_dragEnabled( false )
00054 {
00055     init( KGuiItem( text ) );
00056 }
00057 
00058 KPushButton::KPushButton( const QIconSet &icon, const QString &text,
00059                           QWidget *parent, const char *name )
00060     : QPushButton( text, parent, name ),
00061       m_dragEnabled( false )
00062 {
00063     init( KGuiItem( text, icon ) );
00064 }
00065 
00066 KPushButton::KPushButton( const KGuiItem &item, QWidget *parent,
00067                           const char *name )
00068     : QPushButton( parent, name ),
00069       m_dragEnabled( false )
00070 {
00071     init( item );
00072 }
00073 
00074 KPushButton::~KPushButton()
00075 {
00076     if( d )
00077     {
00078         delete d;
00079         d = 0L;
00080     }
00081 }
00082 
00083 void KPushButton::init( const KGuiItem &item )
00084 {
00085     d = new KPushButtonPrivate;
00086     d->item = item;
00087     d->itemType = (KStdGuiItem::StdItem) 0;
00088 
00089     // call QPushButton's implementation since we don't need to 
00090     // set the GUI items text or check the state of the icon set
00091     QPushButton::setText( d->item.text() );
00092 
00093     static bool initialized = false;
00094     if ( !initialized ) {
00095         readSettings();
00096         initialized = true;
00097     }
00098 
00099     setIconSet( d->item.iconSet() );
00100 
00101     setSizePolicy( QSizePolicy( QSizePolicy::Minimum, QSizePolicy::Minimum ) );
00102 
00103     QToolTip::add( this, item.toolTip() );
00104 
00105     QWhatsThis::add( this, item.whatsThis() );
00106 
00107     if (kapp)
00108     {
00109        connect( kapp, SIGNAL( settingsChanged(int) ),
00110                SLOT( slotSettingsChanged(int) ) );
00111        kapp->addKipcEventMask( KIPC::SettingsChanged );
00112     }
00113 }
00114 
00115 void KPushButton::readSettings()
00116 {
00117     s_useIcons = KGlobalSettings::showIconsOnPushButtons();
00118 }
00119 
00120 void KPushButton::setGuiItem( const KGuiItem& item )
00121 {
00122     d->item = item;
00123 
00124     // call QPushButton's implementation since we don't need to 
00125     // set the GUI items text or check the state of the icon set
00126     QPushButton::setText( d->item.text() );
00127     setIconSet( d->item.iconSet() );
00128     QWhatsThis::add( this, d->item.whatsThis() );
00129 
00130     // Do not add a tooltip to the button automatically as 99% of the time the
00131     // tooltip is redundant to the button text and it results in QTipManager
00132     // invoking an eventHandler on the QApplication which breaks certain apps
00133     // like KDesktop which are sensitive to such things
00134 //    QToolTip::add( this, d->item.toolTip() );
00135 }
00136 
00137 void KPushButton::setGuiItem( KStdGuiItem::StdItem item )
00138 {
00139     setGuiItem( KStdGuiItem::guiItem(item) );
00140     d->itemType = item;
00141 }
00142 
00143 KStdGuiItem::StdItem KPushButton::guiItem() const
00144 {
00145     return d->itemType;
00146 }
00147 
00148 void KPushButton::setText( const QString &text )
00149 {
00150     QPushButton::setText(text);
00151 
00152     // we need to re-evaluate the icon set when the text
00153     // is removed, or when it is supplied
00154     if (text.isEmpty() != d->item.text().isEmpty())
00155         setIconSet(d->item.iconSet());
00156 
00157     d->item.setText(text);
00158 }
00159 
00160 void KPushButton::setIconSet( const QIconSet &iconSet )
00161 {
00162     d->item.setIconSet(iconSet);
00163 
00164     if ( s_useIcons || text().isEmpty() )
00165         QPushButton::setIconSet( iconSet );
00166     else
00167         QPushButton::setIconSet( QIconSet() );
00168 }
00169 
00170 void KPushButton::slotSettingsChanged( int /* category */ )
00171 {
00172     readSettings();
00173     setIconSet( d->item.iconSet() );
00174 }
00175 
00176 void KPushButton::setDragEnabled( bool enable )
00177 {
00178     m_dragEnabled = enable;
00179 }
00180 
00181 void KPushButton::mousePressEvent( QMouseEvent *e )
00182 {
00183     if ( m_dragEnabled )
00184     startPos = e->pos();
00185     QPushButton::mousePressEvent( e );
00186 }
00187 
00188 void KPushButton::mouseMoveEvent( QMouseEvent *e )
00189 {
00190     if ( !m_dragEnabled )
00191     {
00192         QPushButton::mouseMoveEvent( e );
00193         return;
00194     }
00195 
00196     if ( (e->state() & LeftButton) &&
00197          (e->pos() - startPos).manhattanLength() >
00198          KGlobalSettings::dndEventDelay() )
00199     {
00200         startDrag();
00201         setDown( false );
00202     }
00203 }
00204 
00205 QDragObject * KPushButton::dragObject()
00206 {
00207     return 0L;
00208 }
00209 
00210 void KPushButton::startDrag()
00211 {
00212     QDragObject *d = dragObject();
00213     if ( d )
00214     d->dragCopy();
00215 }
00216 
00217 void KPushButton::virtual_hook( int, void* )
00218 { /*BASE::virtual_hook( id, data );*/ }
00219 
00220 #include "kpushbutton.moc"

kdeui

Skip menu "kdeui"
  • Main Page
  • Namespace List
  • Class Hierarchy
  • Alphabetical List
  • Class List
  • File List
  • Namespace Members
  • Class Members
  • Related Pages

API Reference

Skip menu "API Reference"
  • dcop
  • DNSSD
  • interfaces
  • Kate
  • kconf_update
  • KDECore
  • KDED
  • kdefx
  • KDEsu
  • kdeui
  • KDocTools
  • KHTML
  • KImgIO
  • KInit
  • kio
  • kioslave
  • KJS
  • KNewStuff
  • KParts
  • KUtils
Generated for API Reference by doxygen 1.5.9
This website is maintained by Adriaan de Groot and Allen Winter.
KDE® and the K Desktop Environment® logo are registered trademarks of KDE e.V. | Legal