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/***************************************************************************
* Copyright (C) 2005 by Joris Guisson *
* [email protected] *
* *
* 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 KTGUIINTERFACE_H
#define KTGUIINTERFACE_H
#include <qptrlist.h>
class QWidget;
class QIconSet;
class QString;
class KToolBar;
class KProgress;
namespace kt
{
class PrefPageInterface;
class Plugin;
class TorrentInterface;
class GUIInterface;
enum Position
{
LEFT, ///< New widgets will be added to the left of the old
RIGHT, ///< New widgets will be added to the right of the old
ABOVE, ///< New widgets will be added above the old
BELOW ///< New widgets will be added below the old
};
/**
* Small interface for classes who want to know when
* current torrent in the gui changes.
*/
class ViewListener
{
public:
ViewListener() {}
virtual ~ViewListener() {}
virtual void currentTorrentChanged(TorrentInterface* tc) = 0;
};
/**
* Plugins wanting to add closeable tabs, should implement this interface.
* That way they can be notified of close requests.
* Not providing this interface in addTabPage means the tab cannot be closed.
*/
class CloseTabListener
{
public:
/// By default all tabs can be closed, but this can be overridden
virtual bool closeAllowed(QWidget* ) {return true;}
/// THe close button was pressed for this tab, please remove it from the GUI
virtual void tabCloseRequest(kt::GUIInterface* gui,QWidget* tab) = 0;
};
/**
* @author Joris Guisson
* @brief Interface to modify the GUI
*
* This interface allows plugins and others to modify the GUI.
*/
class GUIInterface
{
QPtrList<ViewListener> listeners;
public:
GUIInterface();
virtual ~GUIInterface();
/// Add a view listener.
void addViewListener(ViewListener* vl);
/// Remove a view listener
void removeViewListener(ViewListener* vl);
/// Add a progress bar tot the status bar, if one is already present this will fail and return 0
virtual KProgress* addProgressBarToStatusBar() = 0;
/// Remove the progress bar from the status bar
virtual void removeProgressBarFromStatusBar(KProgress* p) = 0;
/**
* Add a new tab page to the GUI
* @param page The widget
* @param icon Icon for the tab
* @param caption Text on the tab
* @param ctl For closeable tabs this pointer should be set
*/
virtual void addTabPage(QWidget* page,const QIconSet & icon,
const QString & caption,CloseTabListener* ctl = 0) = 0;
/**
* Remove a tab page, does nothing if the page
* isn't added. Does not delete the widget.
* @param page The page
*/
virtual void removeTabPage(QWidget* page) = 0;
/**
* Add a page to the preference dialog.
* @param page The page
*/
virtual void addPrefPage(PrefPageInterface* page) = 0;
/**
* Remove a page from the preference dialog.
* @param page The page
*/
virtual void removePrefPage(PrefPageInterface* page) = 0;
/**
* Change the statusbar message.
* @param msg The new message
*/
virtual void changeStatusbar(const QString& msg) = 0;
/**
* Merge the GUI of a plugin.
* @param p The Plugin
*/
virtual void mergePluginGui(Plugin* p) = 0;
/**
* Remove the GUI of a plugin.
* @param p The Plugin
*/
virtual void removePluginGui(Plugin* p) = 0;
/**
* Embed a widget in the view in the mainview.
* The view and the new widget will be separated by a separator.
* @param w The widget
* @param pos How the widget will be positioned against the already present widgets
*/
virtual void addWidgetInView(QWidget* w,Position pos) = 0;
/**
* Remove a widget added with addWidgetInView.
* The widget will be reparented to 0.
* @param w The widget
*/
virtual void removeWidgetFromView(QWidget* w) = 0;
/**
* Add a widget below the view.
* @param w The widget
* @param icon Name of icon to use
* @param caption The caption to use
*/
virtual void addWidgetBelowView(QWidget* w,const QString & icon,const QString & caption) = 0;
/**
* Remove a widget, which was added below the view.
* @param w The widget
*/
virtual void removeWidgetBelowView(QWidget* w) = 0;
enum ToolDock
{
DOCK_LEFT,
DOCK_RIGHT,
DOCK_BOTTOM
};
/**
* Add a tool widget.
* @param w The widget
* @param icon Name of icon to use
* @param caption The caption to use
* @param dock Where to dock the widget
*/
virtual void addToolWidget(QWidget* w,const QString & icon,const QString & caption,ToolDock dock) = 0;
/**
* Remove a tool widget.
* @param w The widget
*/
virtual void removeToolWidget(QWidget* w) = 0;
/// Get the current torrent.
virtual const TorrentInterface* getCurrentTorrent() const = 0;
/// Add a toolbar
virtual KToolBar* addToolBar(const char* name) = 0;
/// Remove a toolbar
virtual void removeToolBar(KToolBar* tb) = 0;
protected:
/**
* Notifies all view listeners of the change in the current downloading TorrentInterface
* @param tc Pointer to current TorrentInterface
*/
void notifyViewListeners(TorrentInterface* tc);
};
}
#endif
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