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/*
*
* $Id: sourceheader 380067 2005-01-19 13:03:46Z trueg $
* Copyright (C) 2005 Sebastian Trueg <trueg@k3b.org>
*
* This file is part of the K3b project.
* Copyright (C) 1998-2007 Sebastian Trueg <trueg@k3b.org>
*
* This program is free software; you can redistribute it and/or modify
* it under the terms of the GNU General Public License as published by
* the Free Software Foundation; either version 2 of the License, or
* (at your option) any later version.
* See the file "COPYING" for the exact licensing terms.
*/
#include "k3btooltip.h"
#include "k3bwidgetshoweffect.h"
#include <k3bthememanager.h>
#include <k3bapplication.h>
#include <tqtimer.h>
#include <tqapplication.h>
#include <tqlabel.h>
#include <kdebug.h>
#include <fixx11h.h>
K3bToolTip::K3bToolTip( TQWidget* widget )
: TQObject( widget ),
m_parentWidget( widget ),
m_currentTip( 0 ),
m_tipTimer( new TQTimer( this ) ),
m_tipTimeout( 700 )
{
m_parentWidget->installEventFilter( this );
connect( m_tipTimer, TQT_SIGNAL(timeout()),
this, TQT_SLOT(slotCheckShowTip()) );
}
K3bToolTip::~K3bToolTip()
{
}
void K3bToolTip::tip( const TQRect& rect, const TQString& text, int effect )
{
TQLabel* label = new TQLabel( text, parentWidget() );
label->setMargin( 6 );
if( K3bTheme* theme = k3bappcore->themeManager()->currentTheme() ) {
label->setPaletteBackgroundColor( theme->backgroundColor() );
label->setPaletteForegroundColor( theme->foregroundColor() );
}
tip( rect, label, (K3bWidgetShowEffect::Effect)effect );
}
void K3bToolTip::tip( const TQRect& rect, const TQPixmap& pix, int effect )
{
TQLabel* label = new TQLabel( parentWidget() );
label->setMargin( 6 );
if( K3bTheme* theme = k3bappcore->themeManager()->currentTheme() ) {
label->setPaletteBackgroundColor( theme->backgroundColor() );
label->setPaletteForegroundColor( theme->foregroundColor() );
}
label->setPixmap( pix );
tip( rect, label, (K3bWidgetShowEffect::Effect)effect );
}
void K3bToolTip::tip( const TQRect& rect, TQWidget* w, int effect )
{
// stop the timer
m_tipTimer->stop();
// hide any previous tip
hideTip();
// which screen are we on?
int scr;
if( TQApplication::desktop()->isVirtualDesktop() )
scr = TQApplication::desktop()->screenNumber( m_parentWidget->mapToGlobal( m_lastMousePos ) );
else
scr = TQApplication::desktop()->screenNumber( m_parentWidget );
// make sure the widget is displayed correcly
w->reparent( TQApplication::desktop()->screen( scr ),
WStyle_StaysOnTop | WStyle_Customize | WStyle_NoBorder | WStyle_Tool | WX11BypassWM,
TQPoint( 0, 0 ), false );
w->polish();
w->adjustSize();
// positioning code from qtooltip.cpp
TQRect screen = TQApplication::desktop()->screenGeometry( scr );
// FIXME: why (2,16) and (4,24) below? Why not use the cursors' size?
TQPoint p = m_parentWidget->mapToGlobal( m_lastMousePos ) + TQPoint( 2, 16 );
if( p.x() + w->width() > screen.x() + screen.width() )
p.rx() -= 4 + w->width();
if( p.y() + w->height() > screen.y() + screen.height() )
p.ry() -= 24 + w->height();
if( p.y() < screen.y() )
p.setY( screen.y() );
if( p.x() + w->width() > screen.x() + screen.width() )
p.setX( screen.x() + screen.width() - w->width() );
if( p.x() < screen.x() )
p.setX( screen.x() );
if( p.y() + w->height() > screen.y() + screen.height() )
p.setY( screen.y() + screen.height() - w->height() );
m_currentTip = w;
m_currentTipRect = rect;
w->move( p );
if( effect )
K3bWidgetShowEffect::showWidget( w, (K3bWidgetShowEffect::Effect)effect );
else
w->show();
w->raise();
}
void K3bToolTip::hideTip()
{
// just remove the tip
delete m_currentTip;
m_currentTip = 0;
}
bool K3bToolTip::eventFilter( TQObject* o, TQEvent* e )
{
if( o == parentWidget() ) {
switch( e->type() ) {
case TQEvent::MouseButtonPress:
case TQEvent::MouseButtonRelease:
case TQEvent::MouseButtonDblClick:
case TQEvent::KeyPress:
case TQEvent::KeyRelease:
// input - turn off tool tip mode
hideTip();
m_tipTimer->stop();
break;
case TQEvent::MouseMove: {
TQMouseEvent* m = (TQMouseEvent*)e;
m_lastMousePos = m_parentWidget->mapFromGlobal( m->globalPos() );
m_tipTimer->stop();
if( m_currentTip ) {
// see if we have to hide it
if( !m_currentTipRect.contains( m_lastMousePos ) ) {
hideTip();
// in case we moved the mouse from one tip area to the next without leaving
// the widget just popup the new tip immedeately
m_tipTimer->start( 0, true );
}
}
// if we are not showing a tip currently start the tip timer
else
m_tipTimer->start( m_tipTimeout, true );
break;
}
case TQEvent::Leave:
case TQEvent::Hide:
case TQEvent::Destroy:
case TQEvent::FocusOut:
hideTip();
m_tipTimer->stop();
break;
default:
break;
}
}
return false;
}
void K3bToolTip::slotCheckShowTip()
{
maybeTip( m_lastMousePos );
}
#include "k3btooltip.moc"
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