// -*- mode: C++; indent-tabs-mode: nil; c-basic-offset: 2; -*-

#include "config.h"

#include "client.hh"
#include "frame.hh"
#include "screen.hh"
#include "openbox.hh"
#include "bindings.hh"
#include "otk/display.hh"
#include "otk/property.hh"

extern "C" {
#include <X11/Xlib.h>
#include <X11/Xutil.h>
#include <X11/Xatom.h>

#include "gettext.h"
#define _(str) gettext(str)
}

#include <cstring> // for memcpy
#include <climits>
#include <cassert>
#include <algorithm>

namespace ob {

Client::Client(int screen, Window window)
  : otk::EventHandler(),
    frame(0), _screen(screen), _window(window)
{
  assert(screen >= 0);
  assert(window);

  ignore_unmaps = 0;
  
  // update EVERYTHING the first time!!

  // defaults
  _wmstate = NormalState;
  _focused = false;
  _transient_for = 0;
  _layer = Layer_Normal;
  _urgent = false;
  _positioned = false;
  _disabled_decorations = 0;
  _group = None;
  _desktop = 0;
  _nicons = 0;
  
  getArea();
  getDesktop();
  getState();  // do this before updateTransientFor! (for _modal)
  getShaped();

  updateTransientFor();
  getMwmHints();
  getType(); // this can change the mwmhints for special cases

  updateProtocols();

  getGravity();        // get the attribute gravity
  updateNormalHints(); // this may override the attribute gravity

  // got the type, the mwmhints, the protocols, and the normal hints (min/max
  // sizes), so we're ready to set up
  // the decorations/functions
  setupDecorAndFunctions();
  
  // also get the initial_state and set _iconic if we aren't "starting"
  // when we're "starting" that means we should use whatever state was already
  // on the window over the initial map state, because it was already mapped
  updateWMHints(openbox->state() != Openbox::State_Starting);
  updateTitle();
  updateIconTitle();
  updateClass();
  updateStrut();
  updateIcons();
  updateKwmIcon();
  
  // this makes sure that these windows appear on all desktops
  if (/*_type == Type_Dock ||*/ _type == Type_Desktop)
    _desktop = 0xffffffff;
  
  // set the desktop hint, to make sure that it always exists, and to reflect
  // any changes we've made here
  otk::Property::set(_window, otk::Property::atoms.net_wm_desktop,
                     otk::Property::atoms.cardinal, (unsigned)_desktop);
  changeState();
}


Client::~Client()
{
  assert(_nicons > 0); // there should always be a default..
  for (int j = 0; j < _nicons; ++j)
    delete [] _icons[j].data;
  delete [] _icons;
  
  // clean up childrens' references
  while (!_transients.empty()) {
    _transients.front()->_transient_for = 0;
    _transients.pop_front();
  }

  // clean up parents reference to this
  if (_transient_for)
    _transient_for->_transients.remove(this); // remove from old parent
  
  if (openbox->state() != Openbox::State_Exiting) {
    // these values should not be persisted across a window unmapping/mapping
    otk::Property::erase(_window, otk::Property::atoms.net_wm_desktop);
    otk::Property::erase(_window, otk::Property::atoms.net_wm_state);
  } else {
    // if we're left in an iconic state, the client wont be mapped. this is
    // bad, since we will no longer be managing the window on restart
    if (_iconic)
      XMapWindow(**otk::display, _window);
  }
}


bool Client::validate() const
{
  XSync(**otk::display, false); // get all events on the server

  XEvent e;
  if (XCheckTypedWindowEvent(**otk::display, _window, DestroyNotify, &e) ||
      XCheckTypedWindowEvent(**otk::display, _window, UnmapNotify, &e)) {
    XPutBackEvent(**otk::display, &e);
    return false;
  }

  return true;
}


void Client::getGravity()
{
  XWindowAttributes wattrib;
  Status ret;

  ret = XGetWindowAttributes(**otk::display, _window, &wattrib);
  assert(ret != BadWindow);
  _gravity = wattrib.win_gravity;
}


void Client::getDesktop()
{
  // defaults to the current desktop
  _desktop = openbox->screen(_screen)->desktop();
  unsigned int d;

  if (otk::Property::get(_window, otk::Property::atoms.net_wm_desktop,
                         otk::Property::atoms.cardinal,
                         (long unsigned*)&d)) {
    if (d >= openbox->screen(_screen)->numDesktops() &&
        d != 0xffffffff)
      d = openbox->screen(_screen)->numDesktops() - 1;
    _desktop = d;
#ifdef DEBUG
//    printf("Window requested desktop: %ld\n", _desktop);
#endif
  }
}


void Client::getType()
{
  _type = (WindowType) -1;
  
  unsigned long *val;
  unsigned long num;
  if (otk::Property::get(_window, otk::Property::atoms.net_wm_window_type,
                         otk::Property::atoms.atom, &num, &val)) {
    // use the first value that we know about in the array
    for (unsigned long i = 0; i < num; ++i) {
      if (val[i] == otk::Property::atoms.net_wm_window_type_desktop)
        _type = Type_Desktop;
      else if (val[i] == otk::Property::atoms.net_wm_window_type_dock)
        _type = Type_Dock;
      else if (val[i] == otk::Property::atoms.net_wm_window_type_toolbar)
        _type = Type_Toolbar;
      else if (val[i] == otk::Property::atoms.net_wm_window_type_menu)
        _type = Type_Menu;
      else if (val[i] == otk::Property::atoms.net_wm_window_type_utility)
        _type = Type_Utility;
      else if (val[i] == otk::Property::atoms.net_wm_window_type_splash)
        _type = Type_Splash;
      else if (val[i] == otk::Property::atoms.net_wm_window_type_dialog)
        _type = Type_Dialog;
      else if (val[i] == otk::Property::atoms.net_wm_window_type_normal)
        _type = Type_Normal;
      else if (val[i] == otk::Property::atoms.kde_net_wm_window_type_override){
        // prevent this window from getting any decor or functionality
        _mwmhints.flags &= MwmFlag_Functions | MwmFlag_Decorations;
        _mwmhints.decorations = 0;
        _mwmhints.functions = 0;
      }
      if (_type != (WindowType) -1)
        break; // grab the first known type
    }
    delete val;
  }
    
  if (_type == (WindowType) -1) {
    /*
     * the window type hint was not set, which means we either classify ourself
     * as a normal window or a dialog, depending on if we are a transient.
     */
    if (_transient_for)
      _type = Type_Dialog;
    else
      _type = Type_Normal;
  }
}


void Client::setupDecorAndFunctions()
{
  // start with everything (cept fullscreen)
  _decorations = Decor_Titlebar | Decor_Handle | Decor_Border | Decor_Icon |
    Decor_AllDesktops | Decor_Iconify | Decor_Maximize;
  _functions = Func_Resize | Func_Move | Func_Iconify | Func_Maximize |
    Func_Shade;
  if (_delete_window) {
    _decorations |= Decor_Close;
    _functions |= Func_Close;
  }

  if (!(_min_size.width() < _max_size.width() ||
        _min_size.height() < _max_size.height())) {
    _decorations &= ~(Decor_Maximize | Decor_Handle);
    _functions &= ~(Func_Resize | Func_Maximize);
  }
  
  switch (_type) {
  case Type_Normal:
    // normal windows retain all of the possible decorations and
    // functionality, and are the only windows that you can fullscreen
    _functions |= Func_Fullscreen;
    break;

  case Type_Dialog:
    // dialogs cannot be maximized
    _decorations &= ~Decor_Maximize;
    _functions &= ~Func_Maximize;
    break;

  case Type_Menu:
  case Type_Toolbar:
  case Type_Utility:
    // these windows get less functionality
    _decorations &= ~(Decor_Iconify | Decor_Handle);
    _functions &= ~(Func_Iconify | Func_Resize);
    break;

  case Type_Desktop:
  case Type_Dock:
  case Type_Splash:
    // none of these windows are manipulated by the window manager
    _decorations = 0;
    _functions = 0;
    break;
  }

  // Mwm Hints are applied subtractively to what has already been chosen for
  // decor and functionality
  if (_mwmhints.flags & MwmFlag_Decorations) {
    if (! (_mwmhints.decorations & MwmDecor_All)) {
      if (! (_mwmhints.decorations & MwmDecor_Border))
        _decorations &= ~Decor_Border;
      if (! (_mwmhints.decorations & MwmDecor_Handle))
        _decorations &= ~Decor_Handle;
      if (! (_mwmhints.decorations & MwmDecor_Title))
        _decorations &= ~Decor_Titlebar;
      if (! (_mwmhints.decorations & MwmDecor_Iconify))
        _decorations &= ~Decor_Iconify;
      if (! (_mwmhints.decorations & MwmDecor_Maximize))
        _decorations &= ~Decor_Maximize;
    }
  }

  if (_mwmhints.flags & MwmFlag_Functions) {
    if (! (_mwmhints.functions & MwmFunc_All)) {
      if (! (_mwmhints.functions & MwmFunc_Resize))
        _functions &= ~Func_Resize;
      if (! (_mwmhints.functions & MwmFunc_Move))
        _functions &= ~Func_Move;
      if (! (_mwmhints.functions & MwmFunc_Iconify))
        _functions &= ~Func_Iconify;
      if (! (_mwmhints.functions & MwmFunc_Maximize))
        _functions &= ~Func_Maximize;
      // dont let mwm hints kill the close button
      //if (! (_mwmhints.functions & MwmFunc_Close))
      //  _functions &= ~Func_Close;
    }
  }

  // can't maximize without moving/resizing
  if (!((_functions & Func_Move) && (_functions & Func_Resize)))
    _functions &= ~Func_Maximize;

  // finally, user specified disabled decorations are applied to subtract
  // decorations
  if (_disabled_decorations & Decor_Titlebar)
    _decorations &= ~Decor_Titlebar;
  if (_disabled_decorations & Decor_Handle)
    _decorations &= ~Decor_Handle;
  if (_disabled_decorations & Decor_Border)
    _decorations &= ~Decor_Border;
  if (_disabled_decorations & Decor_Iconify)
    _decorations &= ~Decor_Iconify;
  if (_disabled_decorations & Decor_Maximize)
    _decorations &= ~Decor_Maximize;
  if (_disabled_decorations & Decor_AllDesktops)
    _decorations &= ~Decor_AllDesktops;
  if (_disabled_decorations & Decor_Close)
    _decorations &= ~Decor_Close;

  // if we don't have a titlebar, then we cannot shade!
  if (!(_decorations & Decor_Titlebar))
    _functions &= ~Func_Shade;

  changeAllowedActions();

  if (frame) {
    frame->adjustSize(); // change the decors on the frame
    frame->adjustPosition(); // with more/less decorations, we may need to be
                             // moved
    remaximize(); // with new decor, the window's maximized size may change
  }
}


void Client::getMwmHints()
{
  unsigned long num = MwmHints::elements;
  unsigned long *hints;

  _mwmhints.flags = 0; // default to none
  
  if (!otk::Property::get(_window, otk::Property::atoms.motif_wm_hints,
                          otk::Property::atoms.motif_wm_hints, &num,
                          (unsigned long **)&hints))
    return;
  
  if (num >= MwmHints::elements) {
    // retrieved the hints
    _mwmhints.flags = hints[0];
    _mwmhints.functions = hints[1];
    _mwmhints.decorations = hints[2];
  }

  delete [] hints;
}


void Client::getArea()
{
  XWindowAttributes wattrib;
  Status ret;
  
  ret = XGetWindowAttributes(**otk::display, _window, &wattrib);
  assert(ret != BadWindow);

  _area = otk::Rect(wattrib.x, wattrib.y, wattrib.width, wattrib.height);
  _border_width = wattrib.border_width;
}


void Client::getState()
{
  _modal = _shaded = _max_horz = _max_vert = _fullscreen = _above = _below =
    _iconic = _skip_taskbar = _skip_pager = false;
  
  unsigned long *state;
  unsigned long num;
  
  if (otk::Property::get(_window, otk::Property::atoms.net_wm_state,
                         otk::Property::atoms.atom, &num, &state)) {
    for (unsigned long i = 0; i < num; ++i) {
      if (state[i] == otk::Property::atoms.net_wm_state_modal)
        _modal = true;
      else if (state[i] == otk::Property::atoms.net_wm_state_shaded)
        _shaded = true;
      else if (state[i] == otk::Property::atoms.net_wm_state_hidden)
        _iconic = true;
      else if (state[i] == otk::Property::atoms.net_wm_state_skip_taskbar)
        _skip_taskbar = true;
      else if (state[i] == otk::Property::atoms.net_wm_state_skip_pager)
        _skip_pager = true;
      else if (state[i] == otk::Property::atoms.net_wm_state_fullscreen)
        _fullscreen = true;
      else if (state[i] == otk::Property::atoms.net_wm_state_maximized_vert)
        _max_vert = true;
      else if (state[i] == otk::Property::atoms.net_wm_state_maximized_horz)
        _max_horz = true;
      else if (state[i] == otk::Property::atoms.net_wm_state_above)
        _above = true;
      else if (state[i] == otk::Property::atoms.net_wm_state_below)
        _below = true;
    }

    delete [] state;
  }
}

void Client::getShaped()
{
  _shaped = false;
#ifdef   SHAPE
  if (otk::display->shape()) {
    int foo;
    unsigned int ufoo;
    int s;

    XShapeSelectInput(**otk::display, _window, ShapeNotifyMask);

    XShapeQueryExtents(**otk::display, _window, &s, &foo,
                       &foo, &ufoo, &ufoo, &foo, &foo, &foo, &ufoo, &ufoo);
    _shaped = (s != 0);
  }
#endif // SHAPE
}

Client *Client::searchFocusTree(Client *node, Client *skip)
{
  List::const_iterator it, end = node->_transients.end();
  Client *ret;

  for (it = node->_transients.begin(); it != end; ++it) {
    if (*it == skip) continue; // circular?
    if ((ret = searchModalTree(*it, skip))) return ret; // got one
    if ((*it)->_focused) return *it; // got one
  }
  return 0;
}

void Client::calcLayer() {
  StackLayer l;
  bool fs = false;

  // are we fullscreen, or do we have a fullscreen transient parent?
  Client *c = this;
  while (c) {
    if (c->_fullscreen) {
      fs =true;
      break;
    }
    c = c->_transient_for;
  }
  if (!fs && _fullscreen) {
    // is one of our transients focused?
    c = searchFocusTree(this, this);
    if (c) fs = true;
  }
  
  if (_iconic) l = Layer_Icon;
  else if (fs) l = Layer_Fullscreen;
  else if (_type == Type_Desktop) l = Layer_Desktop;
  else if (_type == Type_Dock) {
    if (!_below) l = Layer_Top;
    else l = Layer_Normal;
  }
  else if (_above) l = Layer_Above;
  else if (_below) l = Layer_Below;
  else l = Layer_Normal;

  if (l != _layer) {
    _layer = l;
    if (frame) {
      /*
        if we don't have a frame, then we aren't mapped yet (and this would
        SIGSEGV :)
      */
      openbox->screen(_screen)->raiseWindow(this);
    }
  }
}

void Client::updateProtocols()
{
  Atom *proto;
  int num_return = 0;

  _focus_notify = false;
  _delete_window = false;

  if (XGetWMProtocols(**otk::display, _window, &proto, &num_return)) {
    for (int i = 0; i < num_return; ++i) {
      if (proto[i] == otk::Property::atoms.wm_delete_window) {
        // this means we can request the window to close
        _delete_window = true;
      } else if (proto[i] == otk::Property::atoms.wm_take_focus)
        // if this protocol is requested, then the window will be notified
        // by the window manager whenever it receives focus
        _focus_notify = true;
    }
    XFree(proto);
  }
}

void Client::updateNormalHints()
{
  XSizeHints size;
  long ret;
  int oldgravity = _gravity;

  // defaults
  _min_ratio = 0.0;
  _max_ratio = 0.0;
  _size_inc = otk::Size(1, 1);
  _base_size = otk::Size(0, 0);
  _min_size = otk::Size(0, 0);
  _max_size = otk::Size(INT_MAX, INT_MAX);

  // get the hints from the window
  if (XGetWMNormalHints(**otk::display, _window, &size, &ret)) {
    _positioned = (size.flags & (PPosition|USPosition));

    if (size.flags & PWinGravity) {
      _gravity = size.win_gravity;
      
      // if the client has a frame, i.e. has already been mapped and is
      // changing its gravity
      if (frame && _gravity != oldgravity) {
        // move our idea of the client's position based on its new gravity
        int x = frame->area().x(), y = frame->area().y();
        frame->frameGravity(x, y);
        _area = otk::Rect(otk::Point(x, y), _area.size());
      }
    }

    if (size.flags & PAspect) {
      if (size.min_aspect.y) _min_ratio = size.min_aspect.x/size.min_aspect.y;
      if (size.max_aspect.y) _max_ratio = size.max_aspect.x/size.max_aspect.y;
    }

    if (size.flags & PMinSize)
      _min_size = otk::Size(size.min_width, size.min_height);
    
    if (size.flags & PMaxSize)
      _max_size = otk::Size(size.max_width, size.max_height);
    
    if (size.flags & PBaseSize)
      _base_size = otk::Size(size.base_width, size.base_height);
    
    if (size.flags & PResizeInc)
      _size_inc = otk::Size(size.width_inc, size.height_inc);
  }
}

void Client::updateWMHints(bool initstate)
{
  XWMHints *hints;

  // assume a window takes input if it doesnt specify
  _can_focus = true;
  bool ur = false;
  
  if ((hints = XGetWMHints(**otk::display, _window)) != NULL) {
    if (hints->flags & InputHint)
      _can_focus = hints->input;

    // only do this when initstate is true!
    if (initstate && (hints->flags & StateHint))
      _iconic = hints->initial_state == IconicState;

    if (hints->flags & XUrgencyHint)
      ur = true;

    if (hints->flags & WindowGroupHint) {
      if (hints->window_group != _group) {
        // XXX: remove from the old group if there was one
        _group = hints->window_group;
        // XXX: do stuff with the group
      }
    } else // no group!
      _group = None;

    if (hints->flags & IconPixmapHint) {
      updateKwmIcon(); // try get the kwm icon first, this is a fallback only
      if (_pixmap_icon == None) {
        _pixmap_icon = hints->icon_pixmap;
        if (hints->flags & IconMaskHint)
          _pixmap_icon_mask = hints->icon_mask;
        else
          _pixmap_icon_mask = None;
      }
    }

    XFree(hints);
  }

  if (ur != _urgent) {
    _urgent = ur;
#ifdef DEBUG
    printf("Urgent Hint for 0x%lx: %s\n",
           (long)_window, _urgent ? "ON" : "OFF");
#endif
    // fire the urgent callback if we're mapped, otherwise, wait until after
    // we're mapped
    if (frame)
      fireUrgent();
  }
}

void Client::updateTitle()
{
  _title = "";
  
  // try netwm
  if (!otk::Property::get(_window, otk::Property::atoms.net_wm_name,
                          otk::Property::utf8, &_title)) {
    // try old x stuff
    otk::Property::get(_window, otk::Property::atoms.wm_name,
                       otk::Property::ascii, &_title);
  }

  if (_title.empty())
    _title = _("Unnamed Window");

  if (frame)
    frame->adjustTitle();
}

void Client::updateIconTitle()
{
  _icon_title = "";
  
  // try netwm
  if (!otk::Property::get(_window, otk::Property::atoms.net_wm_icon_name,
                          otk::Property::utf8, &_icon_title)) {
    // try old x stuff
    otk::Property::get(_window, otk::Property::atoms.wm_icon_name,
                       otk::Property::ascii, &_icon_title);
  }

  if (_title.empty())
    _icon_title = _("Unnamed Window");
}

void Client::updateClass()
{
  // set the defaults
  _app_name = _app_class = _role = "";

  otk::Property::StringVect v;
  unsigned long num = 2;

  if (otk::Property::get(_window, otk::Property::atoms.wm_class,
                         otk::Property::ascii, &num, &v)) {
    if (num > 0) _app_name = v[0].c_str();
    if (num > 1) _app_class = v[1].c_str();
  }

  v.clear();
  num = 1;
  if (otk::Property::get(_window, otk::Property::atoms.wm_window_role,
                         otk::Property::ascii, &num, &v)) {
    if (num > 0) _role = v[0].c_str();
  }
}

void Client::updateStrut()
{
  unsigned long num = 4;
  unsigned long *data;
  if (!otk::Property::get(_window, otk::Property::atoms.net_wm_strut,
                          otk::Property::atoms.cardinal, &num, &data))
    return;

  if (num == 4) {
    _strut.left = data[0];
    _strut.right = data[1];
    _strut.top = data[2];
    _strut.bottom = data[3]; 

    // updating here is pointless while we're being mapped cuz we're not in
    // the screen's client list yet
    if (frame)
      openbox->screen(_screen)->updateStruts();
  }

  delete [] data;
}

void Client::updateTransientFor()
{
  Window t = 0;
  Client *c = 0;

  if (XGetTransientForHint(**otk::display, _window, &t) &&
      t != _window) { // cant be transient to itself!
    c = openbox->findClient(t);
    assert(c != this); // if this happens then we need to check for it

    if (!c /*XXX: && _group*/) {
      // not transient to a client, see if it is transient for a group
      if (//t == _group->leader() ||
        t == None ||
        t == otk::display->screenInfo(_screen)->rootWindow()) {
        // window is a transient for its group!
        // XXX: for now this is treated as non-transient.
        //      this needs to be fixed!
      }
    }
  }

  // if anything has changed...
  if (c != _transient_for) {
    if (_transient_for)
      _transient_for->_transients.remove(this); // remove from old parent
    _transient_for = c;
    if (_transient_for)
      _transient_for->_transients.push_back(this); // add to new parent
  }
}

void Client::updateIcons()
{
  unsigned long num;
  unsigned long *data;
  unsigned long w, h, i = 0;

  for (int j = 0; j < _nicons; ++j)
    delete [] _icons[j].data;
  if (_nicons > 0)
    delete [] _icons;
  _nicons = 0;

  if (otk::Property::get(_window, otk::Property::atoms.net_wm_icon,
                          otk::Property::atoms.cardinal, &num, &data)) {
    // figure out how man valid icons are in here
    while (num - i > 2) {
      w = data[i++];
      h = data[i++];
      i += w * h;
      if (i > num) break;
      ++_nicons;
    }

    _icons = new Icon[_nicons];
    
    // store the icons
    i = 0;
    for (int j = 0; j < _nicons; ++j) {
      w = _icons[j].w = data[i++];
      h = _icons[j].h = data[i++];
      _icons[j].data = new unsigned long[w * h];
      ::memcpy(_icons[j].data, &data[i], w * h * sizeof(unsigned long));
      i += w * h;
      assert(i <= num);
    }

    delete [] data;
  }

  if (_nicons <= 0) {
    _nicons = 1;
    _icons = new Icon[1];
    _icons[i].w = 0;
    _icons[i].h = 0;
    _icons[i].data = 0;
  }

  assert(_nicons > 0); // there should always be a default..
  
  if (frame) frame->adjustIcon();
}

void Client::updateKwmIcon()
{
  _pixmap_icon = _pixmap_icon_mask = None;

  unsigned long num = 2;
  Pixmap *data;
  if (otk::Property::get(_window, otk::Property::atoms.kwm_win_icon,
                         otk::Property::atoms.kwm_win_icon, &num, &data)) {
    if (num == 2) {
      _pixmap_icon = data[0];
      _pixmap_icon_mask = data[1];
    }
    delete [] data;
  }
}

void Client::propertyHandler(const XPropertyEvent &e)
{
  otk::EventHandler::propertyHandler(e);

  // validate cuz we query stuff off the client here
  if (!validate()) return;
  
  // compress changes to a single property into a single change
  XEvent ce;
  while (XCheckTypedEvent(**otk::display, e.type, &ce)) {
    // XXX: it would be nice to compress ALL changes to a property, not just
    //      changes in a row without other props between.
    if (ce.xproperty.atom != e.atom) {
      XPutBackEvent(**otk::display, &ce);
      break;
    }
  }

  if (e.atom == XA_WM_NORMAL_HINTS) {
    updateNormalHints();
    setupDecorAndFunctions(); // normal hints can make a window non-resizable
  } else if (e.atom == XA_WM_HINTS)
    updateWMHints();
  else if (e.atom == XA_WM_TRANSIENT_FOR) {
    updateTransientFor();
    getType();
    calcLayer(); // type may have changed, so update the layer
    setupDecorAndFunctions();
  }
  else if (e.atom == otk::Property::atoms.net_wm_name ||
           e.atom == otk::Property::atoms.wm_name)
    updateTitle();
  else if (e.atom == otk::Property::atoms.net_wm_icon_name ||
           e.atom == otk::Property::atoms.wm_icon_name)
    updateIconTitle();
  else if (e.atom == otk::Property::atoms.wm_class)
    updateClass();
  else if (e.atom == otk::Property::atoms.wm_protocols) {
    updateProtocols();
    setupDecorAndFunctions();
  }
  else if (e.atom == otk::Property::atoms.net_wm_strut)
    updateStrut();
  else if (e.atom == otk::Property::atoms.net_wm_icon)
    updateIcons();
  else if (e.atom == otk::Property::atoms.kwm_win_icon)
    updateKwmIcon();
}

void Client::setWMState(long state)
{
  if (state == _wmstate) return; // no change
  
  switch (state) {
  case IconicState:
    iconify(true);
    break;
  case NormalState:
    iconify(false);
    break;
  }
}

void Client::setDesktop(unsigned int target)
{
  if (target == _desktop) return;
  
  printf("Setting desktop %u\n", target);

  if (!(target < openbox->screen(_screen)->numDesktops() ||
        target == 0xffffffff))
    return;

  _desktop = target;
  // set the desktop hint
  otk::Property::set(_window, otk::Property::atoms.net_wm_desktop,
                     otk::Property::atoms.cardinal, _desktop);
  frame->adjustState(); // the frame can display the current desktop state
  // 'move' the window to the new desktop
  showhide();
  openbox->screen(_screen)->updateStruts();
}

void Client::showhide()
{
  bool show;
  Screen *s = openbox->screen(_screen);

  if (_iconic) show = false;
  else if (!(_desktop == s->desktop() ||
             _desktop == 0xffffffff)) show = false;
  else if (normal() && s->showingDesktop()) show = false;
  else show = true;

  if (show) frame->show();
  else      frame->hide();
}

void Client::setState(Atom action, long data1, long data2)
{
  bool shadestate = _shaded;
  bool fsstate = _fullscreen;
  bool maxh = _max_horz;
  bool maxv = _max_vert;

  if (!(action == otk::Property::atoms.net_wm_state_add ||
        action == otk::Property::atoms.net_wm_state_remove ||
        action == otk::Property::atoms.net_wm_state_toggle))
    return; // an invalid action was passed to the client message, ignore it

  for (int i = 0; i < 2; ++i) {
    Atom state = i == 0 ? data1 : data2;
    
    if (! state) continue;

    // if toggling, then pick whether we're adding or removing
    if (action == otk::Property::atoms.net_wm_state_toggle) {
      if (state == otk::Property::atoms.net_wm_state_modal)
        action = _modal ? otk::Property::atoms.net_wm_state_remove :
                          otk::Property::atoms.net_wm_state_add;
      else if (state == otk::Property::atoms.net_wm_state_maximized_vert)
        action = _max_vert ? otk::Property::atoms.net_wm_state_remove :
                             otk::Property::atoms.net_wm_state_add;
      else if (state == otk::Property::atoms.net_wm_state_maximized_horz)
        action = _max_horz ? otk::Property::atoms.net_wm_state_remove :
                             otk::Property::atoms.net_wm_state_add;
      else if (state == otk::Property::atoms.net_wm_state_shaded)
        action = _shaded ? otk::Property::atoms.net_wm_state_remove :
                           otk::Property::atoms.net_wm_state_add;
      else if (state == otk::Property::atoms.net_wm_state_skip_taskbar)
        action = _skip_taskbar ? otk::Property::atoms.net_wm_state_remove :
                                 otk::Property::atoms.net_wm_state_add;
      else if (state == otk::Property::atoms.net_wm_state_skip_pager)
        action = _skip_pager ? otk::Property::atoms.net_wm_state_remove :
                               otk::Property::atoms.net_wm_state_add;
      else if (state == otk::Property::atoms.net_wm_state_fullscreen)
        action = _fullscreen ? otk::Property::atoms.net_wm_state_remove :
                               otk::Property::atoms.net_wm_state_add;
      else if (state == otk::Property::atoms.net_wm_state_above)
        action = _above ? otk::Property::atoms.net_wm_state_remove :
                          otk::Property::atoms.net_wm_state_add;
      else if (state == otk::Property::atoms.net_wm_state_below)
        action = _below ? otk::Property::atoms.net_wm_state_remove :
                          otk::Property::atoms.net_wm_state_add;
    }
    
    if (action == otk::Property::atoms.net_wm_state_add) {
      if (state == otk::Property::atoms.net_wm_state_modal) {
        if (_modal) continue;
        _modal = true;
      } else if (state == otk::Property::atoms.net_wm_state_maximized_vert) {
        maxv = true;
      } else if (state == otk::Property::atoms.net_wm_state_maximized_horz) {
        if (_max_horz) continue;
        maxh = true;
      } else if (state == otk::Property::atoms.net_wm_state_shaded) {
        shadestate = true;
      } else if (state == otk::Property::atoms.net_wm_state_skip_taskbar) {
        _skip_taskbar = true;
      } else if (state == otk::Property::atoms.net_wm_state_skip_pager) {
        _skip_pager = true;
      } else if (state == otk::Property::atoms.net_wm_state_fullscreen) {
        fsstate = true;
      } else if (state == otk::Property::atoms.net_wm_state_above) {
        if (_above) continue;
        _above = true;
      } else if (state == otk::Property::atoms.net_wm_state_below) {
        if (_below) continue;
        _below = true;
      }

    } else { // action == otk::Property::atoms.net_wm_state_remove
      if (state == otk::Property::atoms.net_wm_state_modal) {
        if (!_modal) continue;
        _modal = false;
      } else if (state == otk::Property::atoms.net_wm_state_maximized_vert) {
        maxv = false;
      } else if (state == otk::Property::atoms.net_wm_state_maximized_horz) {
        maxh = false;
      } else if (state == otk::Property::atoms.net_wm_state_shaded) {
        shadestate = false;
      } else if (state == otk::Property::atoms.net_wm_state_skip_taskbar) {
        _skip_taskbar = false;
      } else if (state == otk::Property::atoms.net_wm_state_skip_pager) {
        _skip_pager = false;
      } else if (state == otk::Property::atoms.net_wm_state_fullscreen) {
        fsstate = false;
      } else if (state == otk::Property::atoms.net_wm_state_above) {
        if (!_above) continue;
        _above = false;
      } else if (state == otk::Property::atoms.net_wm_state_below) {
        if (!_below) continue;
        _below = false;
      }
    }
  }
  if (maxh != _max_horz || maxv != _max_vert) {
    if (maxh != _max_horz && maxv != _max_vert) { // toggling both
      if (maxh == maxv) { // both going the same way
        maximize(maxh, 0, true);
      } else {
        maximize(maxh, 1, true);
        maximize(maxv, 2, true);
      }
    } else { // toggling one
      if (maxh != _max_horz)
        maximize(maxh, 1, true);
      else
        maximize(maxv, 2, true);
    }
  }
  // change fullscreen state before shading, as it will affect if the window
  // can shade or not
  if (fsstate != _fullscreen)
    fullscreen(fsstate, true);
  if (shadestate != _shaded)
    shade(shadestate);
  calcLayer();
  changeState(); // change the hint to relect these changes
}

void Client::toggleClientBorder(bool addborder)
{
  // adjust our idea of where the client is, based on its border. When the
  // border is removed, the client should now be considered to be in a
  // different position.
  // when re-adding the border to the client, the same operation needs to be
  // reversed.
  int oldx = _area.x(), oldy = _area.y();
  int x = oldx, y = oldy;
  switch(_gravity) {
  default:
  case NorthWestGravity:
  case WestGravity:
  case SouthWestGravity:
    break;
  case NorthEastGravity:
  case EastGravity:
  case SouthEastGravity:
    if (addborder) x -= _border_width * 2;
    else           x += _border_width * 2;
    break;
  case NorthGravity:
  case SouthGravity:
  case CenterGravity:
  case ForgetGravity:
  case StaticGravity:
    if (addborder) x -= _border_width;
    else           x += _border_width;
    break;
  }
  switch(_gravity) {
  default:
  case NorthWestGravity:
  case NorthGravity:
  case NorthEastGravity:
    break;
  case SouthWestGravity:
  case SouthGravity:
  case SouthEastGravity:
    if (addborder) y -= _border_width * 2;
    else           y += _border_width * 2;
    break;
  case WestGravity:
  case EastGravity:
  case CenterGravity:
  case ForgetGravity:
  case StaticGravity:
    if (addborder) y -= _border_width;
    else           y += _border_width;
    break;
  }
  _area = otk::Rect(otk::Point(x, y), _area.size());

  if (addborder) {
    XSetWindowBorderWidth(**otk::display, _window, _border_width);

    // move the client so it is back it the right spot _with_ its border!
    if (x != oldx || y != oldy)
      XMoveWindow(**otk::display, _window, x, y);
  } else
    XSetWindowBorderWidth(**otk::display, _window, 0);
}

void Client::clientMessageHandler(const XClientMessageEvent &e)
{
  otk::EventHandler::clientMessageHandler(e);
  
  // validate cuz we query stuff off the client here
  if (!validate()) return;
  
  if (e.format != 32) return;

  if (e.message_type == otk::Property::atoms.wm_change_state) {
    // compress changes into a single change
    bool compress = false;
    XEvent ce;
    while (XCheckTypedEvent(**otk::display, e.type, &ce)) {
      // XXX: it would be nice to compress ALL messages of a type, not just
      //      messages in a row without other message types between.
      if (ce.xclient.message_type != e.message_type) {
        XPutBackEvent(**otk::display, &ce);
        break;
      }
      compress = true;
    }
    if (compress)
      setWMState(ce.xclient.data.l[0]); // use the found event
    else
      setWMState(e.data.l[0]); // use the original event
  } else if (e.message_type == otk::Property::atoms.net_wm_desktop) {
    // compress changes into a single change 
    bool compress = false;
    XEvent ce;
    while (XCheckTypedEvent(**otk::display, e.type, &ce)) {
      // XXX: it would be nice to compress ALL messages of a type, not just
      //      messages in a row without other message types between.
      if (ce.xclient.message_type != e.message_type) {
        XPutBackEvent(**otk::display, &ce);
        break;
      }
      compress = true;
    }
    if (compress)
      setDesktop(e.data.l[0]); // use the found event
    else
      setDesktop(e.data.l[0]); // use the original event
  } else if (e.message_type == otk::Property::atoms.net_wm_state) {
    // can't compress these
#ifdef DEBUG
    printf("net_wm_state %s %ld %ld for 0x%lx\n",
           (e.data.l[0] == 0 ? "Remove" : e.data.l[0] == 1 ? "Add" :
            e.data.l[0] == 2 ? "Toggle" : "INVALID"),
           e.data.l[1], e.data.l[2], _window);
#endif
    setState(e.data.l[0], e.data.l[1], e.data.l[2]);
  } else if (e.message_type == otk::Property::atoms.net_close_window) {
#ifdef DEBUG
    printf("net_close_window for 0x%lx\n", _window);
#endif
    close();
  } else if (e.message_type == otk::Property::atoms.net_active_window) {
#ifdef DEBUG
    printf("net_active_window for 0x%lx\n", _window);
#endif
    if (openbox->screen(_screen)->showingDesktop())
      openbox->screen(_screen)->showDesktop(false);
    if (_iconic)
      iconify(false);
    else if (!frame->visible()) // if its not visible for other reasons, then
      return;                   // don't mess with it
    if (_shaded)
      shade(false);
    focus();
    openbox->screen(_screen)->raiseWindow(this);
  } else if (e.message_type == otk::Property::atoms.openbox_active_window) {
    if (openbox->screen(_screen)->showingDesktop())
      openbox->screen(_screen)->showDesktop(false);
    if (_iconic)
      iconify(false);
    else if (!frame->visible()) // if its not visible for other reasons, then
      return;                   // don't mess with it
    if (e.data.l[0] && _shaded)
      shade(false);
    focus();
    if (e.data.l[1])
      openbox->screen(_screen)->raiseWindow(this);
  } else if (e.message_type == otk::Property::atoms.openbox_restack_window) {
#ifdef DEBUG
    printf("openbox_restack_window for 0x%lx\n", _window);
#endif
    if (e.data.l[0] == 0)
      openbox->screen(_screen)->raiseWindow(this);
    else if (e.data.l[0] == 1)
      openbox->screen(_screen)->lowerWindow(this);
  }
}

#if defined(SHAPE)
void Client::shapeHandler(const XShapeEvent &e)
{
  otk::EventHandler::shapeHandler(e);

  if (e.kind == ShapeBounding) {
    _shaped = e.shaped;
    frame->adjustShape();
  }
}
#endif

void Client::resize(Corner anchor, int w, int h)
{
  if (!(_functions & Func_Resize)) return;
  internal_resize(anchor, w, h);
}

void Client::internal_resize(Corner anchor, int w, int h,
                             bool user, int x, int y)
{
  w -= _base_size.width();
  h -= _base_size.height();

  if (user) {
    // for interactive resizing. have to move half an increment in each
    // direction.
    int mw = w % _size_inc.width(); // how far we are towards the next size inc
    int mh = h % _size_inc.height();
    int aw = _size_inc.width() / 2; // amount to add
    int ah = _size_inc.height() / 2;
    // don't let us move into a new size increment
    if (mw + aw >= _size_inc.width()) aw = _size_inc.width() - mw - 1;
    if (mh + ah >= _size_inc.height()) ah = _size_inc.height() - mh - 1;
    w += aw;
    h += ah;
    
    // if this is a user-requested resize, then check against min/max sizes
    // and aspect ratios

    // smaller than min size or bigger than max size?
    if (w > _max_size.width()) w = _max_size.width();
    if (w < _min_size.width()) w = _min_size.width();
    if (h > _max_size.height()) h = _max_size.height();
    if (h < _min_size.height()) h = _min_size.height();

    // adjust the height ot match the width for the aspect ratios
    if (_min_ratio)
      if (h * _min_ratio > w) h = static_cast<int>(w / _min_ratio);
    if (_max_ratio)
      if (h * _max_ratio < w) h = static_cast<int>(w / _max_ratio);
  }

  // keep to the increments
  w /= _size_inc.width();
  h /= _size_inc.height();

  // you cannot resize to nothing
  if (w < 1) w = 1;
  if (h < 1) h = 1;
  
  // store the logical size
  _logical_size = otk::Size(w, h);

  w *= _size_inc.width();
  h *= _size_inc.height();

  w += _base_size.width();
  h += _base_size.height();

  if (x == INT_MIN || y == INT_MIN) {
    x = _area.x();
    y = _area.y();
    switch (anchor) {
    case TopLeft:
      break;
    case TopRight:
      x -= w - _area.width();
      break;
    case BottomLeft:
      y -= h - _area.height();
      break;
    case BottomRight:
      x -= w - _area.width();
      y -= h - _area.height();
      break;
    }
  }

  _area = otk::Rect(_area.position(), otk::Size(w, h));

  XResizeWindow(**otk::display, _window, w, h);

  // resize the frame to match the request
  frame->adjustSize();
  internal_move(x, y);
}

const Icon *Client::icon(const otk::Size &s) const
{
  unsigned long req = s.width() * s.height();
  // si is the smallest image >= req
  // li is the largest image < req
  unsigned long smallest = 0xffffffff, largest = 0, si = 0, li = 0;

  assert(_nicons > 0); // there should always be a default..
  for (int i = 0; i < _nicons; ++i) {
    unsigned long size = _icons[i].w * _icons[i].h;
    if (size < smallest && size >= req) {
      smallest = size;
      si = i;
    }
    if (size > largest && size <= req) {
      largest = size;
      li = i;
    }
  }
  if (largest == 0) // didnt find one smaller than the requested size
    return &_icons[si];
  return &_icons[li];
}

void Client::move(int x, int y, bool final)
{
  if (!(_functions & Func_Move)) return;
  frame->frameGravity(x, y); // get the client's position based on x,y for the
                             // frame
  internal_move(x, y, final);
}

void Client::internal_move(int x, int y, bool final)
{
  _area = otk::Rect(otk::Point(x, y), _area.size());

  // move the frame to be in the requested position
  if (frame) { // this can be called while mapping, before frame exists
    frame->adjustPosition();

    // send synthetic configure notify (we don't need to if we aren't mapped
    // yet)
    if (final) {
      XEvent event;
      event.type = ConfigureNotify;
      event.xconfigure.display = **otk::display;
      event.xconfigure.event = _window;
      event.xconfigure.window = _window;
    
      // root window coords with border in mind
      event.xconfigure.x = x - _border_width + frame->size().left;
      event.xconfigure.y = y - _border_width + frame->size().top;
    
      event.xconfigure.width = _area.width();
      event.xconfigure.height = _area.height();
      event.xconfigure.border_width = _border_width;
      event.xconfigure.above = frame->plate();
      event.xconfigure.override_redirect = False;
      XSendEvent(event.xconfigure.display, event.xconfigure.window, False,
                 StructureNotifyMask, &event);
#if 0//def DEBUG
      printf("Sent synthetic ConfigureNotify %d,%d %d,%d to 0x%lx\n",
             event.xconfigure.x, event.xconfigure.y, event.xconfigure.width,
             event.xconfigure.height, event.xconfigure.window);
#endif
    }
  }
}

void Client::close()
{
  XEvent ce;

  if (!(_functions & Func_Close)) return;

  // XXX: itd be cool to do timeouts and shit here for killing the client's
  //      process off
  // like... if the window is around after 5 seconds, then the close button
  // turns a nice red, and if this function is called again, the client is
  // explicitly killed.

  ce.xclient.type = ClientMessage;
  ce.xclient.message_type =  otk::Property::atoms.wm_protocols;
  ce.xclient.display = **otk::display;
  ce.xclient.window = _window;
  ce.xclient.format = 32;
  ce.xclient.data.l[0] = otk::Property::atoms.wm_delete_window;
  ce.xclient.data.l[1] = CurrentTime;
  ce.xclient.data.l[2] = 0l;
  ce.xclient.data.l[3] = 0l;
  ce.xclient.data.l[4] = 0l;
  XSendEvent(**otk::display, _window, false, NoEventMask, &ce);
}

void Client::changeState()
{
  unsigned long state[2];
  state[0] = _wmstate;
  state[1] = None;
  otk::Property::set(_window, otk::Property::atoms.wm_state,
                     otk::Property::atoms.wm_state, state, 2);

  Atom netstate[10];
  int num = 0;
  if (_modal)
    netstate[num++] = otk::Property::atoms.net_wm_state_modal;
  if (_shaded)
    netstate[num++] = otk::Property::atoms.net_wm_state_shaded;
  if (_iconic)
    netstate[num++] = otk::Property::atoms.net_wm_state_hidden;
  if (_skip_taskbar)
    netstate[num++] = otk::Property::atoms.net_wm_state_skip_taskbar;
  if (_skip_pager)
    netstate[num++] = otk::Property::atoms.net_wm_state_skip_pager;
  if (_fullscreen)
    netstate[num++] = otk::Property::atoms.net_wm_state_fullscreen;
  if (_max_vert)
    netstate[num++] = otk::Property::atoms.net_wm_state_maximized_vert;
  if (_max_horz)
    netstate[num++] = otk::Property::atoms.net_wm_state_maximized_horz;
  if (_above)
    netstate[num++] = otk::Property::atoms.net_wm_state_above;
  if (_below)
    netstate[num++] = otk::Property::atoms.net_wm_state_below;
  otk::Property::set(_window, otk::Property::atoms.net_wm_state,
                     otk::Property::atoms.atom, netstate, num);

  calcLayer();

  if (frame)
    frame->adjustState();
}

void Client::changeAllowedActions(void)
{
  Atom actions[9];
  int num = 0;

  actions[num++] = otk::Property::atoms.net_wm_action_change_desktop;

  if (_functions & Func_Shade)
    actions[num++] = otk::Property::atoms.net_wm_action_shade;
  if (_functions & Func_Close)
    actions[num++] = otk::Property::atoms.net_wm_action_close;
  if (_functions & Func_Move)
    actions[num++] = otk::Property::atoms.net_wm_action_move;
  if (_functions & Func_Iconify)
    actions[num++] = otk::Property::atoms.net_wm_action_minimize;
  if (_functions & Func_Resize)
    actions[num++] = otk::Property::atoms.net_wm_action_resize;
  if (_functions & Func_Fullscreen)
    actions[num++] = otk::Property::atoms.net_wm_action_fullscreen;
  if (_functions & Func_Maximize) {
    actions[num++] = otk::Property::atoms.net_wm_action_maximize_horz;
    actions[num++] = otk::Property::atoms.net_wm_action_maximize_vert;
  }

  otk::Property::set(_window, otk::Property::atoms.net_wm_allowed_actions,
                     otk::Property::atoms.atom, actions, num);

  // make sure the window isn't breaking any rules now
  
  if (!(_functions & Func_Shade) && _shaded)
    if (frame) shade(false);
    else _shaded = false;
  if (!(_functions & Func_Iconify) && _iconic)
    if (frame) setDesktop(openbox->screen(_screen)->desktop());
    else _iconic = false;
  if (!(_functions & Func_Fullscreen) && _fullscreen)
    if (frame) fullscreen(false);
    else _fullscreen = false;
  if (!(_functions & Func_Maximize) && (_max_horz || _max_vert))
    if (frame) maximize(false, 0);
    else _max_vert = _max_horz = false;
}

void Client::remaximize()
{
  int dir;
  if (_max_horz && _max_vert)
    dir = 0;
  else if (_max_horz)
    dir = 1;
  else if (_max_vert)
    dir = 2;
  else
    return; // not maximized
  _max_horz = _max_vert = false;
  maximize(true, dir, false);
}

void Client::applyStartupState()
{
  // these are in a carefully crafted order..

  if (_iconic) {
    _iconic = false;
    iconify(true);
  }
  if (_fullscreen) {
    _fullscreen = false;
    fullscreen(true, false);
  }
  if (_shaded) {
    _shaded = false;
    shade(true);
  }
  if (_urgent)
    fireUrgent();
  
  if (_max_vert && _max_horz) {
    _max_vert = _max_horz = false;
    maximize(true, 0, false);
  } else if (_max_vert) {
    _max_vert = false;
    maximize(true, 2, false);
  } else if (_max_horz) {
    _max_horz = false;
    maximize(true, 1, false);
  }

  if (_skip_taskbar); // nothing to do for this
  if (_skip_pager);   // nothing to do for this
  if (_modal);        // nothing to do for this
  if (_above);        // nothing to do for this
  if (_below);        // nothing to do for this
}

void Client::fireUrgent()
{
  // call the python UrgentWindow callbacks
  EventData data(_screen, this, EventAction::UrgentWindow, 0);
  openbox->bindings()->fireEvent(&data);
}

void Client::shade(bool shade)
{
  if (!(_functions & Func_Shade) || // can't
      _shaded == shade) return;     // already done

  // when we're iconic, don't change the wmstate
  if (!_iconic)
    _wmstate = shade ? IconicState : NormalState;
  _shaded = shade;
  changeState();
  frame->adjustSize();
}

void Client::maximize(bool max, int dir, bool savearea)
{
  assert(dir == 0 || dir == 1 || dir == 2);
  if (!(_functions & Func_Maximize)) return; // can't

  // check if already done
  if (max) {
    if (dir == 0 && _max_horz && _max_vert) return;
    if (dir == 1 && _max_horz) return;
    if (dir == 2 && _max_vert) return;
  } else {
    if (dir == 0 && !_max_horz && !_max_vert) return;
    if (dir == 1 && !_max_horz) return;
    if (dir == 2 && !_max_vert) return;
  }

  const otk::Rect &a = openbox->screen(_screen)->area(_desktop);
  int x = frame->area().x(), y = frame->area().y(),
    w = _area.width(), h = _area.height();
  
  if (max) {
    if (savearea) {
      long dimensions[4];
      long *readdim;
      unsigned long n = 4;

      dimensions[0] = x;
      dimensions[1] = y;
      dimensions[2] = w;
      dimensions[3] = h;

      // get the property off the window and use it for the dimentions we are
      // already maxed on
      if (otk::Property::get(_window, otk::Property::atoms.openbox_premax,
                             otk::Property::atoms.cardinal, &n,
                             (long unsigned**) &readdim)) {
        if (n == 4) {
          if (_max_horz) {
            dimensions[0] = readdim[0];
            dimensions[2] = readdim[2];
          }
          if (_max_vert) {
            dimensions[1] = readdim[1];
            dimensions[3] = readdim[3];
          }
        }
        delete readdim;
      }
      
      otk::Property::set(_window, otk::Property::atoms.openbox_premax,
                         otk::Property::atoms.cardinal,
                         (long unsigned*)dimensions, 4);
    }
    if (dir == 0 || dir == 1) { // horz
      x = a.x();
      w = a.width();
    }
    if (dir == 0 || dir == 2) { // vert
      y = a.y();
      h = a.height() - frame->size().top - frame->size().bottom;
    }
  } else {
    long *dimensions;
    long unsigned n = 4;
      
    if (otk::Property::get(_window, otk::Property::atoms.openbox_premax,
                           otk::Property::atoms.cardinal, &n,
                           (long unsigned**) &dimensions)) {
      if (n == 4) {
        if (dir == 0 || dir == 1) { // horz
          x = (signed int)dimensions[0];
          w = (signed int)dimensions[2];
        }
        if (dir == 0 || dir == 2) { // vert
          y = (signed int)dimensions[1];
          h = (signed int)dimensions[3];
        }
      }
      delete dimensions;
    } else {
      // pick some fallbacks...
      if (dir == 0 || dir == 1) { // horz
        x = a.x() + a.width() / 4;
        w = a.width() / 2;
      }
      if (dir == 0 || dir == 2) { // vert
        y = a.y() + a.height() / 4;
        h = a.height() / 2;
      }
    }
  }

  if (dir == 0 || dir == 1) // horz
    _max_horz = max;
  if (dir == 0 || dir == 2) // vert
    _max_vert = max;

  if (!_max_horz && !_max_vert)
    otk::Property::erase(_window, otk::Property::atoms.openbox_premax);

  changeState(); // change the state hints on the client

  frame->frameGravity(x, y); // figure out where the client should be going
  internal_resize(TopLeft, w, h, true, x, y);
}

void Client::fullscreen(bool fs, bool savearea)
{
  static FunctionFlags saved_func;
  static DecorationFlags saved_decor;

  if (!(_functions & Func_Fullscreen) || // can't
      _fullscreen == fs) return;         // already done

  _fullscreen = fs;
  changeState(); // change the state hints on the client

  int x = _area.x(), y = _area.y(), w = _area.width(), h = _area.height();
  
  if (fs) {
    // save the functions and remove them
    saved_func = _functions;
    _functions = _functions & (Func_Close | Func_Fullscreen | Func_Iconify);
    // save the decorations and remove them
    saved_decor = _decorations;
    _decorations = 0;
    if (savearea) {
      long dimensions[4];
      dimensions[0] = _area.x();
      dimensions[1] = _area.y();
      dimensions[2] = _area.width();
      dimensions[3] = _area.height();
      otk::Property::set(_window, otk::Property::atoms.openbox_premax,
                         otk::Property::atoms.cardinal,
                         (long unsigned*)dimensions, 4);
    }
    const otk::ScreenInfo *info = otk::display->screenInfo(_screen);
    x = 0;
    y = 0;
    w = info->size().width();
    h = info->size().height();
  } else {
    _functions = saved_func;
    _decorations = saved_decor;

    long *dimensions;
    long unsigned n = 4;
      
    if (otk::Property::get(_window, otk::Property::atoms.openbox_premax,
                           otk::Property::atoms.cardinal, &n,
                           (long unsigned**) &dimensions)) {
      if (n == 4) {
        x = dimensions[0];
        y = dimensions[1];
        w = dimensions[2];
        h = dimensions[3];
      }
      delete dimensions;
    } else {
      // pick some fallbacks...
      const otk::Rect &a = openbox->screen(_screen)->area(_desktop);
      x = a.x() + a.width() / 4;
      y = a.y() + a.height() / 4;
      w = a.width() / 2;
        h = a.height() / 2;
    }    
  }
  
  changeAllowedActions();  // based on the new _functions

  // when fullscreening, don't obey things like increments, fill the screen
  internal_resize(TopLeft, w, h, !fs, x, y);

  // raise (back) into our stacking layer
  openbox->screen(_screen)->raiseWindow(this);

  // try focus us when we go into fullscreen mode
  if (fs) focus();
}

void Client::iconify(bool iconic, bool curdesk)
{
  if (_iconic == iconic) return; // nothing to do

#ifdef DEBUG
    printf("%sconifying window: 0x%lx\n", (iconic ? "I" : "Uni"), _window);
#endif

  _iconic = iconic;

  if (_iconic) {
    _wmstate = IconicState;
    ignore_unmaps++;
    // we unmap the client itself so that we can get MapRequest events, and
    // because the ICCCM tells us to!
    XUnmapWindow(**otk::display, _window);
  } else {
    if (curdesk)
      setDesktop(openbox->screen(_screen)->desktop());
    _wmstate = NormalState;
    XMapWindow(**otk::display, _window);
  }
  changeState();
  showhide();
  openbox->screen(_screen)->updateStruts();
}

void Client::disableDecorations(DecorationFlags flags)
{
  _disabled_decorations = flags;
  setupDecorAndFunctions();
}

void Client::installColormap(bool install) const
{
  XWindowAttributes wa;
  if (XGetWindowAttributes(**otk::display, _window, &wa)) {
    if (install)
      XInstallColormap(**otk::display, wa.colormap);
    else
      XUninstallColormap(**otk::display, wa.colormap);
  }
}

Client *Client::searchModalTree(Client *node, Client *skip)
{
  List::const_iterator it, end = node->_transients.end();
  Client *ret;
  
  for (it = node->_transients.begin(); it != end; ++it) {
    if (*it == skip) continue; // circular?
    if ((ret = searchModalTree(*it, skip))) return ret; // got one
    if ((*it)->_modal) return *it; // got one
  }
  return 0;
}

Client *Client::findModalChild()
{
  return searchModalTree(this, this);
}


bool Client::focus()
{
  // if we have a modal child, then focus it, not us
  Client *c = findModalChild();
  if (c) return c->focus();

  // won't try focus if the client doesn't want it, or if the window isn't
  // visible on the screen
  if (!(frame->visible() && (_can_focus || _focus_notify))) return false;

  // do a check to see if the window has already been unmapped or destroyed
  // do this intelligently while watching out for unmaps we've generated
  // (ignore_unmaps > 0)
  XEvent ev;
  if (XCheckTypedWindowEvent(**otk::display, _window, DestroyNotify, &ev)) {
    XPutBackEvent(**otk::display, &ev);
    return false;
  }
  while (XCheckTypedWindowEvent(**otk::display, _window, UnmapNotify, &ev)) {
    if (ignore_unmaps) {
      unmapHandler(ev.xunmap);
    } else {
      XPutBackEvent(**otk::display, &ev);
      return false;
    }
  }

  if (_can_focus)
    XSetInputFocus(**otk::display, _window,
                   RevertToNone, CurrentTime);

  if (_focus_notify) {
    XEvent ce;
    ce.xclient.type = ClientMessage;
    ce.xclient.message_type = otk::Property::atoms.wm_protocols;
    ce.xclient.display = **otk::display;
    ce.xclient.window = _window;
    ce.xclient.format = 32;
    ce.xclient.data.l[0] = otk::Property::atoms.wm_take_focus;
    ce.xclient.data.l[1] = openbox->lastTime();
    ce.xclient.data.l[2] = 0l;
    ce.xclient.data.l[3] = 0l;
    ce.xclient.data.l[4] = 0l;
    XSendEvent(**otk::display, _window, False, NoEventMask, &ce);
  }

  XSync(**otk::display, False);
  return true;
}


void Client::unfocus() const
{
  assert(openbox->focusedClient() == this);
  openbox->setFocusedClient(0);
}


void Client::focusHandler(const XFocusChangeEvent &e)
{
#ifdef    DEBUG
//  printf("FocusIn for 0x%lx\n", e.window);
#endif // DEBUG
  
  otk::EventHandler::focusHandler(e);

  _focused = true;
  frame->adjustFocus();

  calcLayer(); // focus state can affect the stacking layer

  openbox->setFocusedClient(this);
}


void Client::unfocusHandler(const XFocusChangeEvent &e)
{
#ifdef    DEBUG
//  printf("FocusOut for 0x%lx\n", e.window);
#endif // DEBUG
  
  otk::EventHandler::unfocusHandler(e);

  _focused = false;
  frame->adjustFocus();

  calcLayer(); // focus state can affect the stacking layer

  if (openbox->focusedClient() == this)
    openbox->setFocusedClient(0);
}


void Client::configureRequestHandler(const XConfigureRequestEvent &ec)
{
#ifdef    DEBUG
  printf("ConfigureRequest for 0x%lx\n", ec.window);
#endif // DEBUG
  
  otk::EventHandler::configureRequestHandler(ec);

  // compress these
  XConfigureRequestEvent e = ec;
  XEvent ev;
  while (XCheckTypedWindowEvent(**otk::display, window(), ConfigureRequest,
                                &ev)) {
    // XXX if this causes bad things.. we can compress config req's with the
    //     same mask.
    e.value_mask |= ev.xconfigurerequest.value_mask;
    if (ev.xconfigurerequest.value_mask & CWX)
      e.x = ev.xconfigurerequest.x;
    if (ev.xconfigurerequest.value_mask & CWY)
      e.y = ev.xconfigurerequest.y;
    if (ev.xconfigurerequest.value_mask & CWWidth)
      e.width = ev.xconfigurerequest.width;
    if (ev.xconfigurerequest.value_mask & CWHeight)
      e.height = ev.xconfigurerequest.height;
    if (ev.xconfigurerequest.value_mask & CWBorderWidth)
      e.border_width = ev.xconfigurerequest.border_width;
    if (ev.xconfigurerequest.value_mask & CWStackMode)
      e.detail = ev.xconfigurerequest.detail;
  }

  // if we are iconic (or shaded (fvwm does this)) ignore the event
  if (_iconic || _shaded) return;

  if (e.value_mask & CWBorderWidth)
    _border_width = e.border_width;

  // resize, then move, as specified in the EWMH section 7.7
  if (e.value_mask & (CWWidth | CWHeight)) {
    int w = (e.value_mask & CWWidth) ? e.width : _area.width();
    int h = (e.value_mask & CWHeight) ? e.height : _area.height();

    Corner corner;
    switch (_gravity) {
    case NorthEastGravity:
    case EastGravity:
      corner = TopRight;
      break;
    case SouthWestGravity:
    case SouthGravity:
      corner = BottomLeft;
      break;
    case SouthEastGravity:
      corner = BottomRight;
      break;
    default:     // NorthWest, Static, etc
      corner = TopLeft;
    }

    // if moving AND resizing ...
    if (e.value_mask & (CWX | CWY)) {
      int x = (e.value_mask & CWX) ? e.x : _area.x();
      int y = (e.value_mask & CWY) ? e.y : _area.y();
      internal_resize(corner, w, h, false, x, y);
    } else // if JUST resizing...
      internal_resize(corner, w, h, false);
  } else if (e.value_mask & (CWX | CWY)) { // if JUST moving...
    int x = (e.value_mask & CWX) ? e.x : _area.x();
    int y = (e.value_mask & CWY) ? e.y : _area.y();
    internal_move(x, y);
  }

  if (e.value_mask & CWStackMode) {
    switch (e.detail) {
    case Below:
    case BottomIf:
      openbox->screen(_screen)->lowerWindow(this);
      break;

    case Above:
    case TopIf:
    default:
      openbox->screen(_screen)->raiseWindow(this);
      break;
    }
  }
}


void Client::unmapHandler(const XUnmapEvent &e)
{
  if (ignore_unmaps) {
#ifdef    DEBUG
//  printf("Ignored UnmapNotify for 0x%lx (event 0x%lx)\n", e.window, e.event);
#endif // DEBUG
    ignore_unmaps--;
    return;
  }
  
#ifdef    DEBUG
  printf("UnmapNotify for 0x%lx\n", e.window);
#endif // DEBUG

  otk::EventHandler::unmapHandler(e);

  // this deletes us etc
  openbox->screen(_screen)->unmanageWindow(this);
}


void Client::destroyHandler(const XDestroyWindowEvent &e)
{
#ifdef    DEBUG
  printf("DestroyNotify for 0x%lx\n", e.window);
#endif // DEBUG

  otk::EventHandler::destroyHandler(e);

  // this deletes us etc
  openbox->screen(_screen)->unmanageWindow(this);
}


void Client::reparentHandler(const XReparentEvent &e)
{
  // this is when the client is first taken captive in the frame
  if (e.parent == frame->plate()) return;

#ifdef    DEBUG
  printf("ReparentNotify for 0x%lx\n", e.window);
#endif // DEBUG

  otk::EventHandler::reparentHandler(e);

  /*
    This event is quite rare and is usually handled in unmapHandler.
    However, if the window is unmapped when the reparent event occurs,
    the window manager never sees it because an unmap event is not sent
    to an already unmapped window.
  */

  // we don't want the reparent event, put it back on the stack for the X
  // server to deal with after we unmanage the window
  XEvent ev;
  ev.xreparent = e;
  XPutBackEvent(**otk::display, &ev);
  
  // this deletes us etc
  openbox->screen(_screen)->unmanageWindow(this);
}

void Client::mapRequestHandler(const XMapRequestEvent &e)
{
#ifdef    DEBUG
  printf("MapRequest for already managed 0x%lx\n", e.window);
#endif // DEBUG

  assert(_iconic); // we shouldn't be able to get this unless we're iconic

  // move to the current desktop (uniconify)
  iconify(false);
  // XXX: should we focus/raise the window? (basically a net_wm_active_window)
}

}