khtml/khtmlviewbar.cpp

   1 /* This file is part of the KDE project
   2  *
   3  * Copyright (C) 2008 Bernhard Beschow <bbeschow cs tu berlin de>
   4  *
   5  * This library is free software; you can redistribute it and/or
   6  * modify it under the terms of the GNU Library General Public
   7  * License as published by the Free Software Foundation; either
   8  * version 2 of the License, or (at your option) any later version.
   9  *
  10  * This library is distributed in the hope that it will be useful,
  11  * but WITHOUT ANY WARRANTY; without even the implied warranty of
  12  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
  13  * Library General Public License for more details.
  14  *
  15  * You should have received a copy of the GNU Library General Public License
  16  * along with this library; see the file COPYING.LIB.  If not, write to
  17  * the Free Software Foundation, Inc., 51 Franklin Street, Fifth Floor,
  18  * Boston, MA 02110-1301, USA.
  19  */
  20 #include "khtmlviewbar.h"
  21
  22 #include "khtmlview.h"
  23 #include "khtmlviewbarwidget.h"
  24
  25 #include <kdebug.h>
  26
  27 #include <QtGui/QBoxLayout>
  28 #include <QtGui/QKeyEvent>
  29
  30 KHTMLViewBar::KHTMLViewBar( Position position, KHTMLView *view, QWidget *parent ) :
  31     QWidget( parent ),
  32     m_view( view ),
  33     m_permanentBarWidget( false )
  34 {
  35     const QBoxLayout::Direction direction = ( position == Top ? QBoxLayout::TopToBottom : QBoxLayout::BottomToTop );
  36
  37     setLayout( new QBoxLayout( direction, this ) );
  38     layout()->setContentsMargins( 0, 0, 0, 0 );
  39     layout()->setSpacing( 0 );
  40 }
  41
  42 void KHTMLViewBar::addBarWidget (KHTMLViewBarWidget *newBarWidget)
  43 {
  44   if (hasWidget(newBarWidget)) {
  45     kDebug(6050) << "this bar widget is already added";
  46     return;
  47   }
  48   // add new widget, invisible...
  49   newBarWidget->hide();
  50   layout()->addWidget( newBarWidget );
  51   connect(newBarWidget, SIGNAL(hideMe()), SLOT(hideCurrentBarWidget()));
  52
  53   kDebug(6050) << "add barwidget " << newBarWidget;
  54 }
  55
  56 void KHTMLViewBar::addPermanentBarWidget (KHTMLViewBarWidget *barWidget)
  57 {
  58   // remove old widget from layout (if any)
  59   if (m_permanentBarWidget) {
  60     m_permanentBarWidget->hide();
  61     layout()->removeWidget(m_permanentBarWidget);
  62   }
  63
  64   layout()->addWidget(barWidget /*, 0, Qt::AlignBottom*/ ); // FIXME
  65   m_permanentBarWidget = barWidget;
  66   m_permanentBarWidget->show();
  67
  68   setViewBarVisible(true);
  69 }
  70
  71 void KHTMLViewBar::removePermanentBarWidget (KHTMLViewBarWidget *barWidget)
  72 {
  73   if (m_permanentBarWidget != barWidget) {
  74     kDebug(6050) << "no such permanent widget exists in bar";
  75     return;
  76   }
  77
  78   if (!m_permanentBarWidget)
  79     return;
  80
  81   m_permanentBarWidget->hide();
  82   layout()->removeWidget(m_permanentBarWidget);
  83   m_permanentBarWidget = 0;
  84 }
  85
  86 bool KHTMLViewBar::hasPermanentWidget (KHTMLViewBarWidget *barWidget ) const
  87 {
  88     return (m_permanentBarWidget == barWidget);
  89 }
  90
  91 void KHTMLViewBar::showBarWidget (KHTMLViewBarWidget *barWidget)
  92 {
  93   // raise correct widget
  94 // TODO  m_stack->setCurrentWidget (barWidget);
  95   barWidget->show();
  96
  97   // if we have any permanent widget, bar is always visible,
  98   // no need to show it
  99   if (!m_permanentBarWidget) {
 100     setViewBarVisible(true);
 101   }
 102 }
 103
 104 bool KHTMLViewBar::hasWidget(KHTMLViewBarWidget* wid) const
 105 {
 106     return layout()->count() != 0;
 107 }
 108
 109 void KHTMLViewBar::hideCurrentBarWidget ()
 110 {
 111 //  m_stack->hide();
 112
 113   // if we have any permanent widget, bar is always visible,
 114   // no need to hide it
 115   if (!m_permanentBarWidget) {
 116     setViewBarVisible(false);
 117   }
 118
 119   m_view->setFocus();
 120   kDebug(6050)<<"hide barwidget";
 121 }
 122
 123 void KHTMLViewBar::setViewBarVisible (bool visible)
 124 {
 125     setVisible( visible );
 126 }
 127
 128 void KHTMLViewBar::keyPressEvent(QKeyEvent* event)
 129 {
 130   if (event->key() == Qt::Key_Escape) {
 131     hideCurrentBarWidget();
 132     return;
 133   }
 134   QWidget::keyPressEvent(event);
 135
 136 }
 137
 138 void KHTMLViewBar::hideEvent(QHideEvent* event)
 139 {
 140 //   if (!event->spontaneous())
 141 //     m_view->setFocus();
 142 }