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fluxgen 2002-09-07 20:32:44 +00:00
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commit e9cd9e763d
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// Gnome.cc for fluxbox
// Copyright (c) 2002 Henrik Kinnunen (fluxgen@fluxbox.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.
// $Id: Gnome.cc,v 1.1 2002/09/07 20:32:44 fluxgen Exp $
#include "Gnome.hh"
#include "Window.hh"
#include "Screen.hh"
#include <iostream>
using namespace std;
Gnome::Gnome() {
createAtoms();
}
Gnome::~Gnome() {
// destroy gnome windows
while (!m_gnomewindows.empty()) {
XDestroyWindow(BaseDisplay::getXDisplay(), m_gnomewindows.back());
m_gnomewindows.pop_back();
}
}
void Gnome::initForScreen(const BScreen &screen) {
Display *disp = BaseDisplay::getXDisplay();
// create the GNOME window
Window gnome_win = XCreateSimpleWindow(disp,
screen.getRootWindow(), 0, 0, 5, 5, 0, 0, 0);
// supported WM check
XChangeProperty(disp, screen.getRootWindow(),
m_gnome_wm_supporting_wm_check,
XA_CARDINAL, 32, PropModeReplace, (unsigned char *) &gnome_win, 1);
XChangeProperty(disp, gnome_win,
m_gnome_wm_supporting_wm_check,
XA_CARDINAL, 32, PropModeReplace, (unsigned char *) &gnome_win, 1);
Atom gnomeatomlist[] = {
m_gnome_wm_supporting_wm_check,
m_gnome_wm_win_workspace_names,
m_gnome_wm_win_client_list,
m_gnome_wm_win_state,
m_gnome_wm_win_hints
// m_gnome_wm_win_layer not supported yet
};
//list atoms that we support
XChangeProperty(disp, screen.getRootWindow(),
m_gnome_wm_prot, XA_ATOM, 32, PropModeReplace,
(unsigned char *)gnomeatomlist, (sizeof gnomeatomlist)/sizeof gnomeatomlist[0]);
m_gnomewindows.push_back(gnome_win);
updateClientList(screen);
updateWorkspaceNames(screen);
updateWorkspaceCount(screen);
updateCurrentWorkspace(screen);
}
void Gnome::updateClientList(const BScreen &screen) {
size_t num=0;
BScreen::Workspaces::const_iterator workspace_it = screen.getWorkspacesList().begin();
BScreen::Workspaces::const_iterator workspace_it_end = screen.getWorkspacesList().end();
for (; workspace_it != workspace_it_end; ++workspace_it) {
num += (*workspace_it)->getWindowList().size();
}
//int num = getCurrentWorkspace()->getWindowList().size();
Window *wl = new (nothrow) Window[num];
if (wl == 0) {
cerr<<"Fatal: Out of memory, can't allocate for gnome client list"<<endl;
return;
}
//start the iterator from begining
workspace_it = screen.getWorkspacesList().begin();
int win=0;
for (; workspace_it != workspace_it_end; ++workspace_it) {
// Fill in array of window ID's
Workspace::Windows::const_iterator it = (*workspace_it)->getWindowList().begin();
Workspace::Windows::const_iterator it_end = (*workspace_it)->getWindowList().end();
for (; it != it_end; ++it) {
// TODO!
//check if the window don't want to be visible in the list
//if (! ( (*it)->getGnomeHints() & WIN_STATE_HIDDEN) ) {
wl[win++] = (*it)->getClientWindow();
//}
}
}
//number of windows to show in client list
num = win;
XChangeProperty(BaseDisplay::getXDisplay(),
screen.getRootWindow(),
m_gnome_wm_win_client_list,
XA_CARDINAL, 32,
PropModeReplace, (unsigned char *)wl, num);
delete wl;
}
void Gnome::updateWorkspaceNames(const BScreen &screen) {
XTextProperty text;
int number_of_desks = screen.getWorkspaceNames().size();
char s[1024];
char *names[number_of_desks];
for (int i = 0; i < number_of_desks; i++) {
sprintf(s, "Desktop %i", i);
names[i] = new char[strlen(s) + 1];
strcpy(names[i], s);
}
if (XStringListToTextProperty(names, number_of_desks, &text)) {
XSetTextProperty(BaseDisplay::getXDisplay(), screen.getRootWindow(),
&text, m_gnome_wm_win_workspace_names);
XFree(text.value);
}
for (int i = 0; i < number_of_desks; i++)
delete [] names[i];
}
void Gnome::updateCurrentWorkspace(const BScreen &screen) {
int workspace = screen.getCurrentWorkspaceID();
XChangeProperty(BaseDisplay::getXDisplay(),
screen.getRootWindow(),
m_gnome_wm_win_workspace, XA_CARDINAL, 32, PropModeReplace,
(unsigned char *)&workspace, 1);
updateClientList(screen); // make sure the client list is updated too
}
void Gnome::updateWorkspaceCount(const BScreen &screen) {
int numworkspaces = screen.getCount();
XChangeProperty(BaseDisplay::getXDisplay(), screen.getRootWindow(),
m_gnome_wm_win_workspace_count, XA_CARDINAL, 32, PropModeReplace,
(unsigned char *)&numworkspaces, 1);
}
void Gnome::updateState(FluxboxWindow *win) {
//translate to gnome win state
int state=0;
if (win->isStuck())
state |= WIN_STATE_STICKY;
if (win->isIconic())
state |= WIN_STATE_MINIMIZED;
if (win->isShaded())
state |= WIN_STATE_SHADED;
XChangeProperty(BaseDisplay::getXDisplay(), win->getClientWindow(),
m_gnome_wm_win_state,
XA_CARDINAL, 32, PropModeReplace, (unsigned char *)&state, 1);
}
void Gnome::updateHints(FluxboxWindow *win) {
//TODO
}
bool Gnome::checkClientMessage(const XClientMessageEvent &ce, BScreen *screen, FluxboxWindow *win) {
if (ce.message_type == m_gnome_wm_win_workspace) {
#ifdef DEBUG
cerr<<__FILE__<<"("<<__LINE__<<"): Got workspace atom="<<ce.data.l[0]<<endl;
#endif//!DEBUG
if ( win !=0 && // the message sent to client window?
win->getScreen() && ce.data.l[0] >= 0 &&
ce.data.l[0] < (signed)win->getScreen()->getCount()) {
win->getScreen()->changeWorkspaceID(ce.data.l[0]);
} else if (screen!=0 && //the message sent to root window?
ce.data.l[0] >= 0 &&
ce.data.l[0] < (signed)screen->getCount())
screen->changeWorkspaceID(ce.data.l[0]);
return true;
} else if (win == 0)
return false;
if (ce.message_type == m_gnome_wm_win_state) {
#ifdef DEBUG
cerr<<__FILE__<<"("<<__LINE__<<"): _WIN_STATE"<<endl;
#endif // DEBUG
#ifdef DEBUG
cerr<<__FILE__<<"("<<__LINE__<<"): Mask of members to change:"<<
hex<<ce.data.l[0]<<dec<<endl; // mask_of_members_to_change
cerr<<"New members:"<<ce.data.l[1]<<endl;
#endif // DEBUG
//get new states
int flag = ce.data.l[0] & ce.data.l[1];
//don't update this when when we set new state
disableUpdate();
// convert to Fluxbox state
setState(win, flag);
// enable update of atom states
enableUpdate();
} else if (ce.message_type == m_gnome_wm_win_hints) {
#ifdef DEBUG
cerr<<__FILE__<<"("<<__LINE__<<"): _WIN_HINTS"<<endl;
#endif // DEBUG
} else
return false; //the gnome atom wasn't found or not supported
return true; // we handled the atom
}
void Gnome::setState(FluxboxWindow *win, int state) {
#ifdef DEBUG
cerr<<"Gnome: state=0x"<<hex<<state<<dec<<endl;
#endif // DEBUG
if (state & WIN_STATE_STICKY) {
#ifdef DEBUG
cerr<<"Gnome state: Sticky"<<endl;
#endif // DEBUG
if (!win->isStuck())
win->stick();
} else if (win->isStuck())
win->stick();
if (state & WIN_STATE_MINIMIZED) {
#ifdef DEBUG
cerr<<"Gnome state: Minimized"<<endl;
#endif // DEBUG
if (win->isIconic())
win->iconify();
} else if (win->isIconic())
win->deiconify(true, true);
if (state & WIN_STATE_SHADED) {
#ifdef DEBUG
cerr<<"Gnome state: Shade"<<endl;
#endif // DEBUG
if (!win->isShaded())
win->shade();
} else if (win->isShaded())
win->shade();
/* TODO
if (state & WIN_STATE_MAXIMIZED_VERT)
cerr<<"Maximize Vert"<<endl;
if (state & WIN_STATE_MAXIMIZED_HORIZ)
cerr<<"Maximize Horiz"<<endl;
if (state & WIN_STATE_HIDDEN)
cerr<<"Hidden"<<endl;
if (state & WIN_STATE_HID_WORKSPACE)
cerr<<"HID Workspace"<<endl;
if (state & WIN_STATE_HID_TRANSIENT)
cerr<<"HID Transient"<<endl;
if (state & WIN_STATE_FIXED_POSITION)
cerr<<"Fixed Position"<<endl;
if (state & WIN_STATE_ARRANGE_IGNORE)
cerr<<"Arrange Ignore"<<endl;
*/
}
void Gnome::setLayer(GnomeLayer layer) {
FluxboxWindow::WinLayer winlayer;
switch (layer) {
case WIN_LAYER_DESKTOP:
winlayer = FluxboxWindow::LAYER_BOTTOM;
break;
case WIN_LAYER_BELOW:
winlayer = FluxboxWindow::LAYER_BELOW;
break;
case WIN_LAYER_NORMAL:
winlayer = FluxboxWindow::LAYER_NORMAL;
break;
case WIN_LAYER_ONTOP:
case WIN_LAYER_DOCK:
case WIN_LAYER_ABOVE_DOCK:
case WIN_LAYER_MENU:
winlayer = FluxboxWindow::LAYER_TOP;
break;
default:
winlayer = FluxboxWindow::LAYER_NORMAL;
break;
}
}
void Gnome::createAtoms() {
Display *disp = BaseDisplay::getXDisplay();
m_gnome_wm_win_layer = XInternAtom(disp, "_WIN_LAYER", False);
m_gnome_wm_win_state = XInternAtom(disp, "_WIN_STATE", False);
m_gnome_wm_win_hints = XInternAtom(disp, "_WIN_HINTS", False);
m_gnome_wm_win_app_state = XInternAtom(disp, "_WIN_APP_STATE", False);
m_gnome_wm_win_expanded_size = XInternAtom(disp, "_WIN_EXPANDED_SIZE", False);
m_gnome_wm_win_icons = XInternAtom(disp, "_WIN_ICONS", False);
m_gnome_wm_win_workspace = XInternAtom(disp, "_WIN_WORKSPACE", False);
m_gnome_wm_win_workspace_count = XInternAtom(disp, "_WIN_WORKSPACE_COUNT", False);
m_gnome_wm_win_workspace_names = XInternAtom(disp, "_WIN_WORKSPACE_NAMES", False);
m_gnome_wm_win_client_list = XInternAtom(disp, "_WIN_CLIENT_LIST", False);
m_gnome_wm_prot = XInternAtom(disp, "_WIN_PROTOCOLS", False);
m_gnome_wm_supporting_wm_check = XInternAtom(disp, "_WIN_SUPPORTING_WM_CHECK", False);
}

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// Gnome.hh for fluxbox
// Copyright (c) 2002 Henrik Kinnunen (fluxgen@fluxbox.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.
// $Id: Gnome.hh,v 1.1 2002/09/07 20:32:44 fluxgen Exp $
#ifndef GNOME_HH
#define GNOME_HH
#include "AtomHandler.hh"
#include <X11/Xatom.h>
#include <vector>
class Gnome:public AtomHandler {
public:
enum GnomeLayer {
WIN_LAYER_DESKTOP = 0,
WIN_LAYER_BELOW = 2,
WIN_LAYER_NORMAL = 4,
WIN_LAYER_ONTOP = 6,
WIN_LAYER_DOCK = 8,
WIN_LAYER_ABOVE_DOCK = 10,
WIN_LAYER_MENU = 12
};
enum GnomeState {
WIN_STATE_STICKY = (1<<0), // everyone knows sticky
WIN_STATE_MINIMIZED = (1<<1), // Reserved - definition is unclear
WIN_STATE_MAXIMIZED_VERT = (1<<2), // window in maximized V state
WIN_STATE_MAXIMIZED_HORIZ = (1<<3), // window in maximized H state
WIN_STATE_HIDDEN = (1<<4), // not on taskbar but window visible
WIN_STATE_SHADED = (1<<5), // shaded (MacOS / Afterstep style)
WIN_STATE_HID_WORKSPACE = (1<<6), // not on current desktop
WIN_STATE_HID_TRANSIENT = (1<<7), // owner of transient is hidden
WIN_STATE_FIXED_POSITION = (1<<8), // window is fixed in position even
WIN_STATE_ARRANGE_IGNORE = (1<<9) // ignore for auto arranging
};
enum GnomeHints {
WIN_HINTS_SKIP_FOCUS = (1<<0), // skip this window
WIN_HINTS_SKIP_WINLIST = (1<<1), // do not show in window list
WIN_HINTS_SKIP_TASKBAR = (1<<2), // do not show on taskbar
WIN_HINTS_GROUP_TRANSIENT = (1<<3), // Reserved - definition is unclear
WIN_HINTS_FOCUS_ON_CLICK = (1<<4) // app only accepts focus if clicked
};
Gnome();
~Gnome();
void initForScreen(const BScreen &screen);
void updateClientList(const BScreen &screen);
void updateWorkspaceNames(const BScreen &screen);
void updateCurrentWorkspace(const BScreen &screen);
void updateWorkspaceCount(const BScreen &screen);
void updateState(FluxboxWindow *win);
void updateHints(FluxboxWindow *win);
void updateWorkspace(FluxboxWindow *win);
bool checkClientMessage(const XClientMessageEvent &ce, BScreen *screen, FluxboxWindow *win);
private:
void setLayer(GnomeLayer layer);
void setState(FluxboxWindow *win, int state);
void setLayer(int layer);
void createAtoms();
Atom m_gnome_wm_win_layer, m_gnome_wm_win_state, m_gnome_wm_win_hints,
m_gnome_wm_win_app_state, m_gnome_wm_win_expanded_size,
m_gnome_wm_win_icons, m_gnome_wm_win_workspace,
m_gnome_wm_win_workspace_count, m_gnome_wm_win_workspace_names,
m_gnome_wm_win_client_list;
Atom m_gnome_wm_prot;
Atom m_gnome_wm_supporting_wm_check;
std::vector<Window> m_gnomewindows;
};
#endif // GNOME_HH

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// Observer.cc for FbTk
// Copyright (c) 2002 Henrik Kinnunen (fluxgen@fluxbox.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.
// $Id: Observer.cc,v 1.1 2002/09/07 20:30:45 fluxgen Exp $
#include "Observer.hh"
#include "Subject.hh"
namespace FbTk {
Observer::~Observer() {
Subject::removeObserver(this); // make sure no subject has this observer attached
}
};

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// Observer.hh for FbTk
// Copyright (c) 2002 Henrik Kinnunen (fluxgen@fluxbox.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.
// $Id: Observer.hh,v 1.1 2002/09/07 20:30:45 fluxgen Exp $
#ifndef FBTK_OBSERVER_HH
#define FBTK_OBSERVER_HH
namespace FbTk {
class Subject;
class Observer {
public:
virtual ~Observer();
virtual void update(Subject *changedSubj) = 0;
};
}; // end namespace FBTK
#endif // FBTK_OBSERVER_HH

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// Subject.cc for FbTk
// Copyright (c) 2002 Henrik Kinnunen (fluxgen@fluxbox.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.
// $Id: Subject.cc,v 1.1 2002/09/07 20:30:45 fluxgen Exp $
#include "Subject.hh"
#include "Observer.hh"
#include <algorithm>
#include <functional>
namespace FbTk {
Subject::SubjectList Subject::s_subjectlist;
Subject::Subject() {
s_subjectlist.push_back(this);
}
Subject::~Subject() {
SubjectList::iterator it = s_subjectlist.begin();
SubjectList::iterator it_end = s_subjectlist.end();
for (; it != it_end; ++it) {
if (this == (*it)) {
s_subjectlist.erase(it);
break;
}
}
}
void Subject::attach(Observer *obj) {
m_observerlist.push_back(obj);
// no need to have more than one instance of an observer
std::unique(m_observerlist.begin(), m_observerlist.end());
}
void Subject::detach(Observer *obj) {
ObserverList::iterator it = m_observerlist.begin();
ObserverList::iterator it_end = m_observerlist.end();
for (; it != it_end; ++it) {
if (obj == (*it)) {
m_observerlist.erase(it);
break;
}
}
}
void Subject::notify() {
ObserverList::iterator it = m_observerlist.begin();
for (; it != m_observerlist.end(); ++it) {
(*it)->update(this);
}
}
void Subject::removeObserver(Observer *obj) {
SubjectList::iterator it = s_subjectlist.begin();
for(; it != s_subjectlist.end(); ++it) {
(*it)->detach(obj);
}
}
}; // end namespace FbTk

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// Subject.hh for FbTk
// Copyright (c) 2002 Henrik Kinnunen (fluxgen@fluxbox.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.
// $Id: Subject.hh,v 1.1 2002/09/07 20:30:45 fluxgen Exp $
#ifndef FBTK_SUBJECT_HH
#define FBTK_SUBJECT_HH
#include <vector>
namespace FbTk {
class Observer;
class Subject {
public:
Subject();
virtual ~Subject();
/// attach an observer
void attach(Observer *obs);
/// detach an observer
void detach(Observer *obs);
/// notify all attached observers
void notify();
static void removeObserver(Observer *obs);
private:
typedef std::vector<Observer *> ObserverList;
ObserverList m_observerlist;
typedef std::vector<Subject *> SubjectList;
static SubjectList s_subjectlist;
};
}; // end namespace FbTk
#endif // FBTK_SUBJECT_HH