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137 lines
3.3 KiB
137 lines
3.3 KiB
/*
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*
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* $Id: k3bpushbutton.cpp 619556 2007-01-03 17:38:12Z trueg $
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* Copyright (C) 2004 Sebastian Trueg <trueg@k3b.org>
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*
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* This file is part of the K3b project.
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* Copyright (C) 1998-2007 Sebastian Trueg <trueg@k3b.org>
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*
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* This program is free software; you can redistribute it and/or modify
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* it under the terms of the GNU General Public License as published by
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* the Free Software Foundation; either version 2 of the License, or
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* (at your option) any later version.
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* See the file "COPYING" for the exact licensing terms.
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*/
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#include "k3bpushbutton.h"
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#include <tqtimer.h>
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#include <tqpopupmenu.h>
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#include <tqevent.h>
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#include <tdeglobalsettings.h>
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#include <tdeapplication.h>
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class K3bPushButton::Private
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{
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public:
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Private()
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: popupTimer(0) {
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}
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TQTimer* popupTimer;
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TQPoint mousePressPos;
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};
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K3bPushButton::K3bPushButton( TQWidget* parent, const char* name )
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: KPushButton( parent, name )
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{
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d = new Private();
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installEventFilter(this);
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}
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K3bPushButton::K3bPushButton( const TQString& text, TQWidget* parent, const char* name )
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: KPushButton( text, parent, name )
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{
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d = new Private();
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installEventFilter(this);
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}
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K3bPushButton::K3bPushButton( const TQIconSet& icon, const TQString& text,
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TQWidget* parent, const char* name )
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: KPushButton( icon, text, parent, name )
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{
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d = new Private();
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installEventFilter(this);
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}
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K3bPushButton::K3bPushButton( const KGuiItem& item, TQWidget* parent, const char* name )
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: KPushButton( item, parent, name )
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{
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d = new Private();
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installEventFilter(this);
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}
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K3bPushButton::~K3bPushButton()
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{
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delete d;
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}
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void K3bPushButton::setDelayedPopupMenu( TQPopupMenu* popup )
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{
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if( !d->popupTimer ) {
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d->popupTimer = new TQTimer( this );
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connect( d->popupTimer, TQT_SIGNAL(timeout()), this, TQT_SLOT(slotDelayedPopup()) );
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}
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setPopup( popup );
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// we need to do the popup handling ourselves so we cheat a little
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// TQPushButton connects a popup slot to the pressed signal which we disconnect here
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disconnect( this );
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}
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bool K3bPushButton::eventFilter( TQObject* o, TQEvent* ev )
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{
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if( dynamic_cast<K3bPushButton*>(o) == this ) {
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// Popup the menu when the left mousebutton is pressed and the mouse
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// is moved by a small distance.
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if( popup() ) {
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if( ev->type() == TQEvent::MouseButtonPress ) {
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TQMouseEvent* mev = TQT_TQMOUSEEVENT(ev);
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d->mousePressPos = mev->pos();
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d->popupTimer->start( TQApplication::startDragTime() );
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}
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else if( ev->type() == TQEvent::MouseMove ) {
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TQMouseEvent* mev = TQT_TQMOUSEEVENT(ev);
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if( ( mev->pos() - d->mousePressPos).manhattanLength() > TDEGlobalSettings::dndEventDelay() ) {
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d->popupTimer->stop();
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slotDelayedPopup();
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return true;
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}
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}
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}
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}
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return KPushButton::eventFilter( o, ev );
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}
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void K3bPushButton::slotDelayedPopup()
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{
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d->popupTimer->stop();
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if( isDown() ) {
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// popup the menu.
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// this has been taken from the TQPushButton code
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if( mapToGlobal( TQPoint( 0, rect().bottom() ) ).y() + popup()->sizeHint().height() <= tqApp->desktop()->height() )
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popup()->exec( mapToGlobal( rect().bottomLeft() ) );
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else
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popup()->exec( mapToGlobal( rect().topLeft() - TQPoint( 0, popup()->sizeHint().height() ) ) );
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setDown( false );
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}
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}
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#include "k3bpushbutton.moc"
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