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Diffstat (limited to 'kdeui/kpushbutton.cpp')
| -rw-r--r-- | kdeui/kpushbutton.cpp | 220 |
1 files changed, 220 insertions, 0 deletions
diff --git a/kdeui/kpushbutton.cpp b/kdeui/kpushbutton.cpp new file mode 100644 index 000000000..a755fe3b3 --- /dev/null +++ b/kdeui/kpushbutton.cpp @@ -0,0 +1,220 @@ +/* This file is part of the KDE libraries + Copyright (C) 2000 Carsten Pfeiffer <pfeiffer@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 "kpushbutton.h" + +#include <qdragobject.h> +#include <qwhatsthis.h> +#include <qtooltip.h> + +#include "config.h" + +#include <kglobalsettings.h> +#include <kconfig.h> +#include <kglobal.h> +#include <kipc.h> +#include <kapplication.h> + +class KPushButton::KPushButtonPrivate +{ +public: + KGuiItem item; + KStdGuiItem::StdItem itemType; +}; + +bool KPushButton::s_useIcons = false; + +KPushButton::KPushButton( QWidget *parent, const char *name ) + : QPushButton( parent, name ), + m_dragEnabled( false ) +{ + init( KGuiItem( "" ) ); +} + +KPushButton::KPushButton( const QString &text, QWidget *parent, + const char *name) + : QPushButton( parent, name ), + m_dragEnabled( false ) +{ + init( KGuiItem( text ) ); +} + +KPushButton::KPushButton( const QIconSet &icon, const QString &text, + QWidget *parent, const char *name ) + : QPushButton( text, parent, name ), + m_dragEnabled( false ) +{ + init( KGuiItem( text, icon ) ); +} + +KPushButton::KPushButton( const KGuiItem &item, QWidget *parent, + const char *name ) + : QPushButton( parent, name ), + m_dragEnabled( false ) +{ + init( item ); +} + +KPushButton::~KPushButton() +{ + if( d ) + { + delete d; + d = 0L; + } +} + +void KPushButton::init( const KGuiItem &item ) +{ + d = new KPushButtonPrivate; + d->item = item; + d->itemType = (KStdGuiItem::StdItem) 0; + + // call QPushButton's implementation since we don't need to + // set the GUI items text or check the state of the icon set + QPushButton::setText( d->item.text() ); + + static bool initialized = false; + if ( !initialized ) { + readSettings(); + initialized = true; + } + + setIconSet( d->item.iconSet() ); + + setSizePolicy( QSizePolicy( QSizePolicy::Minimum, QSizePolicy::Minimum ) ); + + QToolTip::add( this, item.toolTip() ); + + QWhatsThis::add( this, item.whatsThis() ); + + if (kapp) + { + connect( kapp, SIGNAL( settingsChanged(int) ), + SLOT( slotSettingsChanged(int) ) ); + kapp->addKipcEventMask( KIPC::SettingsChanged ); + } +} + +void KPushButton::readSettings() +{ + s_useIcons = KGlobalSettings::showIconsOnPushButtons(); +} + +void KPushButton::setGuiItem( const KGuiItem& item ) +{ + d->item = item; + + // call QPushButton's implementation since we don't need to + // set the GUI items text or check the state of the icon set + QPushButton::setText( d->item.text() ); + setIconSet( d->item.iconSet() ); + QWhatsThis::add( this, d->item.whatsThis() ); + + // Do not add a tooltip to the button automatically as 99% of the time the + // tooltip is redundant to the button text and it results in QTipManager + // invoking an eventHandler on the QApplication which breaks certain apps + // like KDesktop which are sensitive to such things +// QToolTip::add( this, d->item.toolTip() ); +} + +void KPushButton::setGuiItem( KStdGuiItem::StdItem item ) +{ + setGuiItem( KStdGuiItem::guiItem(item) ); + d->itemType = item; +} + +KStdGuiItem::StdItem KPushButton::guiItem() const +{ + return d->itemType; +} + +void KPushButton::setText( const QString &text ) +{ + QPushButton::setText(text); + + // we need to re-evaluate the icon set when the text + // is removed, or when it is supplied + if (text.isEmpty() != d->item.text().isEmpty()) + setIconSet(d->item.iconSet()); + + d->item.setText(text); +} + +void KPushButton::setIconSet( const QIconSet &iconSet ) +{ + d->item.setIconSet(iconSet); + + if ( s_useIcons || text().isEmpty() ) + QPushButton::setIconSet( iconSet ); + else + QPushButton::setIconSet( QIconSet() ); +} + +void KPushButton::slotSettingsChanged( int /* category */ ) +{ + readSettings(); + setIconSet( d->item.iconSet() ); +} + +void KPushButton::setDragEnabled( bool enable ) +{ + m_dragEnabled = enable; +} + +void KPushButton::mousePressEvent( QMouseEvent *e ) +{ + if ( m_dragEnabled ) + startPos = e->pos(); + QPushButton::mousePressEvent( e ); +} + +void KPushButton::mouseMoveEvent( QMouseEvent *e ) +{ + if ( !m_dragEnabled ) + { + QPushButton::mouseMoveEvent( e ); + return; + } + + if ( (e->state() & LeftButton) && + (e->pos() - startPos).manhattanLength() > + KGlobalSettings::dndEventDelay() ) + { + startDrag(); + setDown( false ); + } +} + +QDragObject * KPushButton::dragObject() +{ + return 0L; +} + +void KPushButton::startDrag() +{ + QDragObject *d = dragObject(); + if ( d ) + d->dragCopy(); +} + +void KPushButton::virtual_hook( int, void* ) +{ /*BASE::virtual_hook( id, data );*/ } + +#include "kpushbutton.moc" |