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// FocusableList.hh
// Copyright (c) 2007 Fluxbox Team (fluxgen at fluxbox dot org)
//
// Permission is hereby granted, free of charge, to any person obtaining a
// copy of this software and associated documentation files (the "Software"),
// to deal in the Software without restriction, including without limitation
// the rights to use, copy, modify, merge, publish, distribute, sublicense,
// and/or sell copies of the Software, and to permit persons to whom the
// Software is furnished to do so, subject to the following conditions:
//
// The above copyright notice and this permission notice shall be included in
// all copies or substantial portions of the Software.
//
// THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
// IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
// FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL
// THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
// LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING
// FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER
// DEALINGS IN THE SOFTWARE.
#ifndef FOCUSABLELIST_HH
#define FOCUSABLELIST_HH
#include "FbTk/NotCopyable.hh"
#include "FbTk/Observer.hh"
#include "FbTk/RefCount.hh"
#include "FbTk/Subject.hh"
#include "FbTk/Signal.hh"
#include "ClientPattern.hh"
#include <list>
#include <string>
#include <memory>
class BScreen;
class Focusable;
class WinClient;
class FluxboxWindow;
class FocusableList: public FbTk::Observer, private FbTk::NotCopyable,
private FbTk::SignalTracker {
public:
typedef std::list<Focusable *> Focusables;
/// list option bits
enum {
LIST_GROUPS = 0x01, //< list groups instead of clients
STATIC_ORDER = 0x02 ///< use creation order instead of focused order
};
FocusableList(BScreen &scr): m_pat(0), m_parent(0), m_screen(scr) { }
FocusableList(BScreen &scr, const std::string pat);
FocusableList(BScreen &scr, const FocusableList &parent,
const std::string pat);
static void parseArgs(const std::string &in, int &opts, std::string &out);
static const FocusableList *getListFromOptions(BScreen &scr, int opts);
void update(FbTk::Subject *subj);
/// functions for modifying the list contents
void pushFront(Focusable &win);
void pushBack(Focusable &win);
void moveToFront(Focusable &win);
void moveToBack(Focusable &win);
void remove(Focusable &win);
/// accessor for list
Focusables &clientList() { return m_list; }
const Focusables &clientList() const { return m_list; }
/// does the list contain any windows?
bool empty() const { return m_list.empty(); }
/// does the list contain the given window?
bool contains(const Focusable &win) const;
/// find the first window matching the pattern
Focusable *find(const ClientPattern &pattern) const;
/**
@name signals
@{
*/
FbTk::Subject &orderSig() { return m_ordersig; }
const FbTk::Subject &orderSig() const { return m_ordersig; }
FbTk::Subject &addSig() { return m_addsig; }
const FbTk::Subject &addSig() const { return m_addsig; }
FbTk::Subject &removeSig() { return m_removesig; }
const FbTk::Subject &removeSig() const { return m_removesig; }
FbTk::Subject &resetSig() { return m_resetsig; }
const FbTk::Subject &resetSig() const { return m_resetsig; }
/** @} */ // end group signals
/**
* Signaling object to attatch observers to.
*/
class FocusableListSubject: public FbTk::Subject {
public:
explicit FocusableListSubject(): m_win(0) { }
void notify(Focusable *win) { m_win = win; FbTk::Subject::notify(); }
/// @return context for this signal
Focusable *win() { return m_win; }
private:
Focusable *m_win;
};
private:
void init();
void addMatching();
void checkUpdate(Focusable &win);
bool insertFromParent(Focusable &win);
void attachSignals(Focusable &win);
void detachSignals(Focusable &win);
void reset();
void attachChild(FocusableList &child) const;
void workspaceChanged(BScreen &screen);
void focusedWindowChanged(BScreen &screen, FluxboxWindow *win, WinClient *client);
/// Title has changed for a window
/// @param win The window that title changed for.
void updateTitle(Focusable& win);
std::auto_ptr<ClientPattern> m_pat;
const FocusableList *m_parent;
BScreen &m_screen;
std::list<Focusable *> m_list;
mutable FocusableListSubject m_ordersig, m_addsig, m_removesig, m_resetsig;
typedef std::map<Focusable*, FbTk::RefCount<FbTk::SignalTracker> > SignalMap;
SignalMap m_signal_map;
};
#endif // FOCUSABLELIST_HH
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