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/***************************************************************************
* Copyright (C) 2006 by Peter Penz *
* peter.penz@gmx.at *
* *
* 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. *
* *
* This program 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 General Public License for more details. *
* *
* You should have received a copy of the GNU General Public License *
* along with this program; if not, write to the *
* Free Software Foundation, Inc., *
* 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA. *
***************************************************************************/
#ifndef URLNAVIGATOR_H
#define URLNAVIGATOR_H
#include <qhbox.h>
#include <kurl.h>
#include <qstring.h>
class DolphinView;
class QPopupMenu;
class QPushButton;
class QComboBox;
class BookmarkSelector;
class KURLComboBox;
class KFileItem;
/**
* @brief Navigation bar which contains the current shown URL.
*
* The URL navigator offers two modes:
* - Editable: Represents the 'classic' mode, where the current URL
* is editable inside a line editor.
* - Non editable: The URL is represented by a number of buttons, where
* clicking on a button results in activating the URL
* the button represents. This mode also supports drag
* and drop of items.
*
* The mode can be changed by a toggle button located on the left side of
* the navigator.
*
* The URL navigator also remembers the URL history and allows to go
* back and forward within this history.
*
* @author Peter Penz
*/
class URLNavigator : public QHBox
{
Q_OBJECT
public:
/**
* @brief Represents the history element of an URL.
*
* A history element contains the URL, the name of the current file
* (the 'current file' is the file where the cursor is located) and
* the x- and y-position of the content.
*/
class HistoryElem {
public:
HistoryElem();
HistoryElem(const KURL& url);
~HistoryElem(); // non virtual
const KURL& url() const { return m_url; }
void setCurrentFileName(const QString& name) { m_currentFileName = name; }
const QString& currentFileName() const { return m_currentFileName; }
void setContentsX(int x) { m_contentsX = x; }
int contentsX() const { return m_contentsX; }
void setContentsY(int y) { m_contentsY = y; }
int contentsY() const { return m_contentsY; }
private:
KURL m_url;
QString m_currentFileName;
int m_contentsX;
int m_contentsY;
};
URLNavigator(const KURL& url, DolphinView* dolphinView);;
virtual ~URLNavigator();
/**
* Sets the current active URL.
* The signals URLNavigator::urlChanged and URLNavigator::historyChanged
* are submitted.
*/
void setURL(const KURL& url);
/** Returns the current active URL. */
const KURL& url() const;
/** Returns the portion of the current active URL up to the button at index. */
KURL url(int index) const;
/**
* Returns the complete URL history. The index 0 indicates the oldest
* history element.
* @param index Output parameter which indicates the current
* index of the location.
*/
const QValueList<HistoryElem>& history(int& index) const;
/**
* Goes back one step in the URL history. The signals
* URLNavigator::urlChanged and URLNavigator::historyChanged
* are submitted.
*/
void goBack();
/**
* Goes forward one step in the URL history. The signals
* URLNavigator::urlChanged and URLNavigator::historyChanged
* are submitted.
*/
void goForward();
/**
* Goes up one step of the URL path. The signals
* URLNavigator::urlChanged and URLNavigator::historyChanged
* are submitted.
*/
void goUp();
/**
* Goes to the home URL. The signals URLNavigator::urlChanged
* and URLNavigator::historyChanged are submitted.
*/
void goHome();
/**
* Allows to edit the URL of the navigation bar if \a editable
* is true. If \a editable is false, each part of
* the URL is presented by a button for a fast navigation.
*/
void setURLEditable(bool editable);
/**
* @return True, if the URL is editable by the user within a line editor.
* If false is returned, each part of the URL is presented by a button
* for fast navigation.
*/
bool isURLEditable() const;
/**
* Switches to the edit mode and assures that the keyboard focus
* is assigned.
*/
void editURL();
DolphinView* dolphinView() const;
signals:
void urlChanged(const KURL& url);
void historyChanged();
protected:
/** If the Escape key is pressed, the navigation bar should switch
to the browse mode. */
virtual void keyReleaseEvent(QKeyEvent* event);
private slots:
void slotReturnPressed(const QString& text);
void slotURLActivated(const KURL& url);
void slotRequestActivation();
void slotBookmarkActivated(int index);
/**
* Stores the coordinates of the moved content into
* the current history element. Is usually triggered
* by the signal 'contentsMoved' emitted by DolphinView.
*/
void slotContentsMoved(int x, int y);
/**
* Switches the navigation bar between the editable and noneditable
* state (see setURLEditable()) and is connected to the clicked signal
* of the navigation bar button.
*/
void slotClicked();
private:
int m_historyIndex;
DolphinView* m_dolphinView;
QValueList<HistoryElem> m_history;
QPushButton* m_toggleButton;
BookmarkSelector* m_bookmarkSelector;
KURLComboBox* m_pathBox;
/**
* Updates the history element with the current file item
* and the contents position.
*/
void updateHistoryElem();
void updateContent();
};
#endif
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