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Viewing changes to src/app/history.cpp

  • Committer: Bazaar Package Importer
  • Author(s): Jonathan Riddell
  • Date: 2005-12-06 17:59:19 UTC
  • mfrom: (1.1.3 upstream) (2.1.1 sarge)
  • Revision ID: james.westby@ubuntu.com-20051206175919-8yv9nfmw0pws6p52
Tags: 1.3.1-0ubuntu1
* Sync with Debian
* Edit kde.mk for .pot generation

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src/app/history.cpp
 
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// vim: set tabstop=4 shiftwidth=4 noexpandtab:
 
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/*
 
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Gwenview - A simple image viewer for KDE
 
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Copyright 2000-2004 Aur�lien G�teau
 
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Copyright 2003 Tudor Calin
 
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This program is free software; you can redistribute it and/or
 
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modify it under the terms of the GNU General Public License
 
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as published by the Free Software Foundation; either version 2
 
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of the License, or (at your option) any later version.
 
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This program is distributed in the hope that it will be useful,
 
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but WITHOUT ANY WARRANTY; without even the implied warranty of
 
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MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
 
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GNU General Public License for more details.
 
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You should have received a copy of the GNU General Public License
 
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along with this program; if not, write to the Free Software
 
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Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA  02111-1307, USA.
 
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*/
 
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// KDE
 
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#include <kaction.h>
 
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#include <klocale.h>
 
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#include <kpopupmenu.h>
 
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#include <kdeversion.h>
 
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#include <kstdaccel.h>
 
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#include <kstdguiitem.h>
 
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// Local
 
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#include "history.moc"
 
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namespace Gwenview {
 
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const unsigned int MAX_HISTORY_SIZE=12;
 
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History::History(KActionCollection* actionCollection) {
 
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        mPosition=mHistoryList.end();
 
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        mMovingInHistory=false;
 
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        // Actions
 
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        QPair<KGuiItem, KGuiItem> backForward = KStdGuiItem::backAndForward();
 
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        mGoBack=new KToolBarPopupAction(backForward.first,
 
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                                        KStdAccel::shortcut(KStdAccel::Back),
 
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                                        this, SLOT(goBack()), actionCollection, "go_back");
 
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        mGoForward=new KToolBarPopupAction(backForward.second,
 
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                                           KStdAccel::shortcut(KStdAccel::Forward),
 
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                                           this, SLOT(goForward()), actionCollection, "go_forward");
 
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        // Connections
 
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        connect(mGoBack->popupMenu(),SIGNAL(activated(int)),
 
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                this,SLOT(goBackTo(int)) );
 
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        connect(mGoForward->popupMenu(),SIGNAL(activated(int)),
 
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                this,SLOT(goForwardTo(int)) );
 
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        connect(mGoBack->popupMenu(), SIGNAL(aboutToShow()),
 
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                this, SLOT(fillGoBackMenu()) );
 
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        connect(mGoForward->popupMenu(), SIGNAL(aboutToShow()),
 
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                this, SLOT(fillGoForwardMenu()) );
 
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}
 
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History::~History() {
 
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}
 
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void History::addURLToHistory(const KURL& url2) {
 
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        KURL url( url2 );
 
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        url.setFileName( QString::null );
 
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        if (!mMovingInHistory) {
 
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                if (mPosition!=mHistoryList.end() && url.equals(*mPosition, true)) return;
 
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                // Drop everything after current
 
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                HistoryList::iterator it=mPosition;
 
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                ++it;
 
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                mHistoryList.erase(it, mHistoryList.end());
 
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                mHistoryList.append(url);
 
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                if(mHistoryList.count()==MAX_HISTORY_SIZE) mHistoryList.pop_front();
 
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                mPosition=mHistoryList.fromLast();
 
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        }
 
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        mGoBack->setEnabled(mPosition!=mHistoryList.begin());
 
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        mGoForward->setEnabled(mPosition!=mHistoryList.fromLast());
 
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}
 
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void History::fillGoBackMenu() {
 
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        QPopupMenu* menu=mGoBack->popupMenu();
 
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        menu->clear();
 
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        HistoryList::ConstIterator it;
 
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        int pos=1;
 
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        for(it=mHistoryList.begin(); it!=mPosition; ++it, ++pos) {
 
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                menu->insertItem( (*it).prettyURL(-1), pos, 0);
 
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        }
 
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}
 
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void History::fillGoForwardMenu() {
 
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        QPopupMenu* menu=mGoForward->popupMenu();
 
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        menu->clear();
 
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        HistoryList::ConstIterator it=mPosition;
 
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        ++it;
 
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        int pos=1;
 
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        for(; it!=mHistoryList.end(); ++it, ++pos) {
 
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                menu->insertItem( (*it).prettyURL(-1), pos, -1);
 
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        }
 
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}
 
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void History::goBack() {
 
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        goBackTo(1);
 
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}
 
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void History::goForward() {
 
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        goForwardTo(1);
 
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}
 
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void History::goBackTo(int id) {
 
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        for (;id>0; --id) --mPosition;
 
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        mMovingInHistory=true;
 
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        emit urlChanged(*mPosition);
 
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        mMovingInHistory=false;
 
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}
 
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void History::goForwardTo(int id) {
 
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        for (;id>0; --id) ++mPosition;
 
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        mMovingInHistory=true;
 
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        emit urlChanged(*mPosition);
 
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        mMovingInHistory=false;
 
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}
 
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} // namespace