openbox/src/Window.cc

// -*- mode: C++; indent-tabs-mode: nil; c-basic-offset: 2; -*-
// Window.cc for Blackbox - an X11 Window manager
// Copyright (c) 2001 - 2002 Sean 'Shaleh' Perry <shaleh at debian.org>
// Copyright (c) 1997 - 2000, 2002 Brad Hughes <bhughes at trolltech.com>
//
// 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.

#ifdef    HAVE_CONFIG_H
#  include "../config.h"
#endif // HAVE_CONFIG_H

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

#ifdef HAVE_STRING_H
#  include <string.h>
#endif // HAVE_STRING_H

#ifdef    DEBUG
#  ifdef    HAVE_STDIO_H
#    include <stdio.h>
#  endif // HAVE_STDIO_H
#endif // DEBUG
}

#include <cstdlib>

#include "i18n.hh"
#include "blackbox.hh"
#include "GCCache.hh"
#include "Iconmenu.hh"
#include "Image.hh"
#include "Screen.hh"
#include "Toolbar.hh"
#include "Util.hh"
#include "Window.hh"
#include "Windowmenu.hh"
#include "Workspace.hh"
#include "Slit.hh"


/*
 * Initializes the class with default values/the window's set initial values.
 */
BlackboxWindow::BlackboxWindow(Blackbox *b, Window w, BScreen *s) {
  // fprintf(stderr, "BlackboxWindow size: %d bytes\n",
  // sizeof(BlackboxWindow));

#ifdef    DEBUG
  fprintf(stderr, "BlackboxWindow::BlackboxWindow(): creating 0x%lx\n", w);
#endif // DEBUG

  // set timer to zero... it is initialized properly later, so we check
  // if timer is zero in the destructor, and assume that the window is not
  // fully constructed if timer is zero...
  timer = 0;
  blackbox = b;
  client.window = w;
  screen = s;

  if (! validateClient()) {
    delete this;
    return;
  }

  // set the eventmask early in the game so that we make sure we get
  // all the events we are interested in
  XSetWindowAttributes attrib_set;
  attrib_set.event_mask = PropertyChangeMask | FocusChangeMask |
                          StructureNotifyMask;
  attrib_set.do_not_propagate_mask = ButtonPressMask | ButtonReleaseMask |
                                     ButtonMotionMask;
  XChangeWindowAttributes(blackbox->getXDisplay(), client.window,
                          CWEventMask|CWDontPropagate, &attrib_set);

  // fetch client size and placement
  XWindowAttributes wattrib;
  if ((! XGetWindowAttributes(blackbox->getXDisplay(),
                              client.window, &wattrib)) ||
      (! wattrib.screen) || wattrib.override_redirect) {
#ifdef    DEBUG
    fprintf(stderr,
            "BlackboxWindow::BlackboxWindow(): XGetWindowAttributes failed\n");
#endif // DEBUG

    delete this;
    return;
  }

  flags.moving = flags.resizing = flags.shaded = flags.visible =
    flags.iconic = flags.focused = flags.stuck = flags.modal =
    flags.send_focus_message = flags.shaped = False;
  flags.maximized = 0;

  blackbox_attrib.workspace = window_number = BSENTINEL;

  blackbox_attrib.flags = blackbox_attrib.attrib = blackbox_attrib.stack
    = blackbox_attrib.decoration = 0l;
  blackbox_attrib.premax_x = blackbox_attrib.premax_y = 0;
  blackbox_attrib.premax_w = blackbox_attrib.premax_h = 0;

  frame.border_w = 1;
  frame.window = frame.plate = frame.title = frame.handle = None;
  frame.close_button = frame.iconify_button = frame.maximize_button = None;
  frame.right_grip = frame.left_grip = None;

  frame.ulabel_pixel = frame.flabel_pixel = frame.utitle_pixel =
  frame.ftitle_pixel = frame.uhandle_pixel = frame.fhandle_pixel =
    frame.ubutton_pixel = frame.fbutton_pixel = frame.pbutton_pixel =
    frame.uborder_pixel = frame.fborder_pixel = frame.ugrip_pixel =
    frame.fgrip_pixel = 0;
  frame.utitle = frame.ftitle = frame.uhandle = frame.fhandle = None;
  frame.ulabel = frame.flabel = frame.ubutton = frame.fbutton = None;
  frame.pbutton = frame.ugrip = frame.fgrip = decorations;

  decorations = Decor_Titlebar | Decor_Border | Decor_Handle |
                Decor_Iconify | Decor_Maximize;
  functions = Func_Resize | Func_Move | Func_Iconify | Func_Maximize;

  client.wm_hint_flags = client.normal_hint_flags = 0;
  client.transient_for = 0;

  // get the initial size and location of client window (relative to the
  // _root window_). This position is the reference point used with the
  // window's gravity to find the window's initial position.
  client.rect.setRect(wattrib.x, wattrib.y, wattrib.width, wattrib.height);
  client.old_bw = wattrib.border_width;

  windowmenu = 0;
  lastButtonPressTime = 0;

  timer = new BTimer(blackbox, this);
  timer->setTimeout(blackbox->getAutoRaiseDelay());

  if (! getBlackboxHints())
    getMWMHints();

  // get size, aspect, minimum/maximum size and other hints set by the
  // client
  getWMProtocols();
  getWMHints();
  getWMNormalHints();

  if (client.initial_state == WithdrawnState) {
    screen->getSlit()->addClient(client.window);
    delete this;
    return;
  }

  frame.window = createToplevelWindow();
  frame.plate = createChildWindow(frame.window);
  associateClientWindow();

  blackbox->saveWindowSearch(frame.window, this);
  blackbox->saveWindowSearch(frame.plate, this);
  blackbox->saveWindowSearch(client.window, this);

  // determine if this is a transient window
  getTransientInfo();

  // adjust the window decorations based on transience and window sizes
  if (isTransient()) {
    decorations &= ~(Decor_Maximize | Decor_Handle);
    functions &= ~Func_Maximize;
  }

  if ((client.normal_hint_flags & PMinSize) &&
      (client.normal_hint_flags & PMaxSize) &&
      client.max_width <= client.min_width &&
      client.max_height <= client.min_height) {
    decorations &= ~(Decor_Maximize | Decor_Handle);
    functions &= ~(Func_Resize | Func_Maximize);
  }
  upsize();

  bool place_window = True;
  if (blackbox->isStartup() || isTransient() ||
      client.normal_hint_flags & (PPosition|USPosition)) {
    setGravityOffsets();


    if (blackbox->isStartup() ||
        client.rect.intersects(screen->availableArea()))
      place_window = False;
  }

  if (decorations & Decor_Titlebar)
    createTitlebar();

  if (decorations & Decor_Handle)
    createHandle();

#ifdef    SHAPE
  if (blackbox->hasShapeExtensions() && flags.shaped) {
    configureShape();
  }
#endif // SHAPE

  if ((! screen->isSloppyFocus()) || screen->doClickRaise()) {
    // grab button 1 for changing focus/raising
    blackbox->grabButton(Button1, 0, frame.plate, True, ButtonPressMask,
                         GrabModeSync, GrabModeSync, frame.plate, None);
  }

  blackbox->grabButton(Button1, Mod1Mask, frame.window, True,
                       ButtonReleaseMask | ButtonMotionMask, GrabModeAsync,
                       GrabModeAsync, frame.window, blackbox->getMoveCursor());
  blackbox->grabButton(Button2, Mod1Mask, frame.window, True,
                       ButtonReleaseMask, GrabModeAsync, GrabModeAsync,
                       frame.window, None);
  blackbox->grabButton(Button3, Mod1Mask, frame.window, True,
                       ButtonReleaseMask | ButtonMotionMask, GrabModeAsync,
                       GrabModeAsync, frame.window,
                       blackbox->getLowerRightAngleCursor());

  positionWindows();
  decorate();

  if (decorations & Decor_Titlebar)
    XMapSubwindows(blackbox->getXDisplay(), frame.title);
  XMapSubwindows(blackbox->getXDisplay(), frame.window);

  windowmenu = new Windowmenu(this);

  if (blackbox_attrib.workspace >= screen->getWorkspaceCount())
    screen->getCurrentWorkspace()->addWindow(this, place_window);
  else
    screen->getWorkspace(blackbox_attrib.workspace)->
      addWindow(this, place_window);

  if (! place_window) {
    // don't need to call configure if we are letting the workspace
    // place the window
    configure(frame.rect.x(), frame.rect.y(),
              frame.rect.width(), frame.rect.height());
  }

  if (flags.shaded) {
    flags.shaded = False;
    shade();
  }

  if (flags.maximized && (functions & Func_Maximize)) {
    remaximize();
  }

  setFocusFlag(False);
}


BlackboxWindow::~BlackboxWindow(void) {

#ifdef    DEBUG
  fprintf(stderr, "BlackboxWindow::~BlackboxWindow: destroying 0x%lx\n",
          client.window);
#endif // DEBUG

  if (! timer) // window not managed...
    return;

  if (flags.moving || flags.resizing) {
    screen->hideGeometry();
    XUngrabPointer(blackbox->getXDisplay(), CurrentTime);
  }

  delete timer;

  delete windowmenu;

  if (client.window_group) {
    BWindowGroup *group = blackbox->searchGroup(client.window_group);
    if (group) group->removeWindow(this);
  }

  // remove ourselves from our transient_for
  if (isTransient()) {
    if (client.transient_for != (BlackboxWindow *) ~0ul) {
      client.transient_for->client.transientList.remove(this);
    }
    client.transient_for = (BlackboxWindow*) 0;
  }

  if (client.transientList.size() > 0) {
    // reset transient_for for all transients
    BlackboxWindowList::iterator it, end = client.transientList.end();
    for (it = client.transientList.begin(); it != end; ++it) {
      (*it)->client.transient_for = (BlackboxWindow*) 0;
    }
  }

  if (frame.title)
    destroyTitlebar();

  if (frame.handle)
    destroyHandle();

  if (frame.plate) {
    blackbox->removeWindowSearch(frame.plate);
    XDestroyWindow(blackbox->getXDisplay(), frame.plate);
  }

  if (frame.window) {
    blackbox->removeWindowSearch(frame.window);
    XDestroyWindow(blackbox->getXDisplay(), frame.window);
  }

  blackbox->removeWindowSearch(client.window);
}


/*
 * Creates a new top level window, with a given location, size, and border
 * width.
 * Returns: the newly created window
 */
Window BlackboxWindow::createToplevelWindow(void) {
  XSetWindowAttributes attrib_create;
  unsigned long create_mask = CWBackPixmap | CWBorderPixel | CWColormap |
                              CWOverrideRedirect | CWEventMask;

  attrib_create.background_pixmap = None;
  attrib_create.colormap = screen->getColormap();
  attrib_create.override_redirect = True;
  attrib_create.event_mask = ButtonPressMask | ButtonReleaseMask |
                             ButtonMotionMask | EnterWindowMask;

  return XCreateWindow(blackbox->getXDisplay(), screen->getRootWindow(),
                       -1, -1, 1, 1, frame.border_w, screen->getDepth(),
                       InputOutput, screen->getVisual(), create_mask,
                       &attrib_create);
}


/*
 * Creates a child window, and optionally associates a given cursor with
 * the new window.
 */
Window BlackboxWindow::createChildWindow(Window parent, Cursor cursor) {
  XSetWindowAttributes attrib_create;
  unsigned long create_mask = CWBackPixmap | CWBorderPixel |
                              CWEventMask;

  attrib_create.background_pixmap = None;
  attrib_create.event_mask = ButtonPressMask | ButtonReleaseMask |
                             ButtonMotionMask | ExposureMask;

  if (cursor) {
    create_mask |= CWCursor;
    attrib_create.cursor = cursor;
  }

  return XCreateWindow(blackbox->getXDisplay(), parent, 0, 0, 1, 1, 0,
                       screen->getDepth(), InputOutput, screen->getVisual(),
                       create_mask, &attrib_create);
}


void BlackboxWindow::associateClientWindow(void) {
  XSetWindowBorderWidth(blackbox->getXDisplay(), client.window, 0);
  getWMName();
  getWMIconName();

  XChangeSaveSet(blackbox->getXDisplay(), client.window, SetModeInsert);

  XSelectInput(blackbox->getXDisplay(), frame.plate, SubstructureRedirectMask);

  XGrabServer(blackbox->getXDisplay());
  XSelectInput(blackbox->getXDisplay(), client.window, NoEventMask);
  XReparentWindow(blackbox->getXDisplay(), client.window, frame.plate, 0, 0);
  XSelectInput(blackbox->getXDisplay(), client.window,
               PropertyChangeMask | FocusChangeMask | StructureNotifyMask);
  XUngrabServer(blackbox->getXDisplay());

  XRaiseWindow(blackbox->getXDisplay(), frame.plate);
  XMapSubwindows(blackbox->getXDisplay(), frame.plate);


#ifdef    SHAPE
  if (blackbox->hasShapeExtensions()) {
    XShapeSelectInput(blackbox->getXDisplay(), client.window,
                      ShapeNotifyMask);

    Bool shaped = False;
    int foo;
    unsigned int ufoo;

    XShapeQueryExtents(blackbox->getXDisplay(), client.window, &shaped,
                       &foo, &foo, &ufoo, &ufoo, &foo, &foo, &foo,
                       &ufoo, &ufoo);
    flags.shaped = shaped;
  }
#endif // SHAPE
}


void BlackboxWindow::decorate(void) {
  BTexture* texture;

  texture = &(screen->getWindowStyle()->b_focus);
  frame.fbutton = texture->render(frame.button_w, frame.button_w,
                                  frame.fbutton);
  if (! frame.fbutton)
    frame.fbutton_pixel = texture->color().pixel();

  texture = &(screen->getWindowStyle()->b_unfocus);
  frame.ubutton = texture->render(frame.button_w, frame.button_w,
                                  frame.ubutton);
  if (! frame.ubutton)
    frame.ubutton_pixel = texture->color().pixel();

  texture = &(screen->getWindowStyle()->b_pressed);
  frame.pbutton = texture->render(frame.button_w, frame.button_w,
                                  frame.pbutton);
  if (! frame.pbutton)
    frame.pbutton_pixel = texture->color().pixel();

  if (decorations & Decor_Titlebar) {
    texture = &(screen->getWindowStyle()->t_focus);
    frame.ftitle = texture->render(frame.inside_w, frame.title_h,
                                   frame.ftitle);
    if (! frame.ftitle)
      frame.ftitle_pixel = texture->color().pixel();

    texture = &(screen->getWindowStyle()->t_unfocus);
    frame.utitle = texture->render(frame.inside_w, frame.title_h,
                                   frame.utitle);
    if (! frame.utitle)
      frame.utitle_pixel = texture->color().pixel();

    XSetWindowBorder(blackbox->getXDisplay(), frame.title,
                     screen->getBorderColor()->pixel());

    decorateLabel();
  }

  if (decorations & Decor_Border) {
    frame.fborder_pixel = screen->getWindowStyle()->f_focus.pixel();
    frame.uborder_pixel = screen->getWindowStyle()->f_unfocus.pixel();
    blackbox_attrib.flags |= AttribDecoration;
    blackbox_attrib.decoration = DecorNormal;
  } else {
    blackbox_attrib.flags |= AttribDecoration;
    blackbox_attrib.decoration = DecorNone;
  }

  if (decorations & Decor_Handle) {
    texture = &(screen->getWindowStyle()->h_focus);
    frame.fhandle = texture->render(frame.inside_w, frame.handle_h,
                                    frame.fhandle);
    if (! frame.fhandle)
      frame.fhandle_pixel = texture->color().pixel();

    texture = &(screen->getWindowStyle()->h_unfocus);
    frame.uhandle = texture->render(frame.inside_w, frame.handle_h,
                                    frame.uhandle);
    if (! frame.uhandle)
      frame.uhandle_pixel = texture->color().pixel();

    texture = &(screen->getWindowStyle()->g_focus);
    frame.fgrip = texture->render(frame.grip_w, frame.handle_h, frame.fgrip);
    if (! frame.fgrip)
      frame.fgrip_pixel = texture->color().pixel();

    texture = &(screen->getWindowStyle()->g_unfocus);
    frame.ugrip = texture->render(frame.grip_w, frame.handle_h, frame.ugrip);
    if (! frame.ugrip)
      frame.ugrip_pixel = texture->color().pixel();

    XSetWindowBorder(blackbox->getXDisplay(), frame.handle,
                     screen->getBorderColor()->pixel());
    XSetWindowBorder(blackbox->getXDisplay(), frame.left_grip,
                     screen->getBorderColor()->pixel());
    XSetWindowBorder(blackbox->getXDisplay(), frame.right_grip,
                     screen->getBorderColor()->pixel());
  }

  XSetWindowBorder(blackbox->getXDisplay(), frame.window,
                   screen->getBorderColor()->pixel());
}


void BlackboxWindow::decorateLabel(void) {
  BTexture *texture;

  texture = &(screen->getWindowStyle()->l_focus);
  frame.flabel = texture->render(frame.label_w, frame.label_h, frame.flabel);
  if (! frame.flabel)
    frame.flabel_pixel = texture->color().pixel();

  texture = &(screen->getWindowStyle()->l_unfocus);
  frame.ulabel = texture->render(frame.label_w, frame.label_h, frame.ulabel);
  if (! frame.ulabel)
    frame.ulabel_pixel = texture->color().pixel();
}


void BlackboxWindow::createHandle(void) {
  frame.handle = createChildWindow(frame.window);
  blackbox->saveWindowSearch(frame.handle, this);

  frame.left_grip =
    createChildWindow(frame.handle, blackbox->getLowerLeftAngleCursor());
  blackbox->saveWindowSearch(frame.left_grip, this);

  frame.right_grip =
    createChildWindow(frame.handle, blackbox->getLowerRightAngleCursor());
  blackbox->saveWindowSearch(frame.right_grip, this);
}


void BlackboxWindow::destroyHandle(void) {
  if (frame.fhandle)
    screen->getImageControl()->removeImage(frame.fhandle);

  if (frame.uhandle)
    screen->getImageControl()->removeImage(frame.uhandle);

  if (frame.fgrip)
    screen->getImageControl()->removeImage(frame.fgrip);

  if (frame.ugrip)
    screen->getImageControl()->removeImage(frame.ugrip);

  blackbox->removeWindowSearch(frame.left_grip);
  blackbox->removeWindowSearch(frame.right_grip);

  XDestroyWindow(blackbox->getXDisplay(), frame.left_grip);
  XDestroyWindow(blackbox->getXDisplay(), frame.right_grip);
  frame.left_grip = frame.right_grip = None;

  blackbox->removeWindowSearch(frame.handle);
  XDestroyWindow(blackbox->getXDisplay(), frame.handle);
  frame.handle = None;
}


void BlackboxWindow::createTitlebar(void) {
  frame.title = createChildWindow(frame.window);
  frame.label = createChildWindow(frame.title);
  blackbox->saveWindowSearch(frame.title, this);
  blackbox->saveWindowSearch(frame.label, this);

  if (decorations & Decor_Iconify) createIconifyButton();
  if (decorations & Decor_Maximize) createMaximizeButton();
  if (decorations & Decor_Close) createCloseButton();
}


void BlackboxWindow::destroyTitlebar(void) {
  if (frame.close_button)
    destroyCloseButton();

  if (frame.iconify_button)
    destroyIconifyButton();

  if (frame.maximize_button)
    destroyMaximizeButton();

  if (frame.ftitle)
    screen->getImageControl()->removeImage(frame.ftitle);

  if (frame.utitle)
    screen->getImageControl()->removeImage(frame.utitle);

  if (frame.flabel)
    screen->getImageControl()->removeImage(frame.flabel);

  if( frame.ulabel)
    screen->getImageControl()->removeImage(frame.ulabel);

  if (frame.fbutton)
    screen->getImageControl()->removeImage(frame.fbutton);

  if (frame.ubutton)
    screen->getImageControl()->removeImage(frame.ubutton);

  if (frame.pbutton)
    screen->getImageControl()->removeImage(frame.pbutton);

  blackbox->removeWindowSearch(frame.title);
  blackbox->removeWindowSearch(frame.label);

  XDestroyWindow(blackbox->getXDisplay(), frame.label);
  XDestroyWindow(blackbox->getXDisplay(), frame.title);
  frame.title = frame.label = None;
}


void BlackboxWindow::createCloseButton(void) {
  if (frame.title != None) {
    frame.close_button = createChildWindow(frame.title);
    blackbox->saveWindowSearch(frame.close_button, this);
  }
}


void BlackboxWindow::destroyCloseButton(void) {
  blackbox->removeWindowSearch(frame.close_button);
  XDestroyWindow(blackbox->getXDisplay(), frame.close_button);
  frame.close_button = None;
}


void BlackboxWindow::createIconifyButton(void) {
  if (frame.title != None) {
    frame.iconify_button = createChildWindow(frame.title);
    blackbox->saveWindowSearch(frame.iconify_button, this);
  }
}


void BlackboxWindow::destroyIconifyButton(void) {
  blackbox->removeWindowSearch(frame.iconify_button);
  XDestroyWindow(blackbox->getXDisplay(), frame.iconify_button);
  frame.iconify_button = None;
}


void BlackboxWindow::createMaximizeButton(void) {
  if (frame.title != None) {
    frame.maximize_button = createChildWindow(frame.title);
    blackbox->saveWindowSearch(frame.maximize_button, this);
  }
}


void BlackboxWindow::destroyMaximizeButton(void) {
  blackbox->removeWindowSearch(frame.maximize_button);
  XDestroyWindow(blackbox->getXDisplay(), frame.maximize_button);
  frame.maximize_button = None;
}


void BlackboxWindow::positionButtons(bool redecorate_label) {
  unsigned int bw = frame.button_w + frame.bevel_w + 1,
    by = frame.bevel_w + 1, lx = by, lw = frame.inside_w - by;

  if (decorations & Decor_Iconify) {
    if (frame.iconify_button == None) createIconifyButton();

    XMoveResizeWindow(blackbox->getXDisplay(), frame.iconify_button, by, by,
                      frame.button_w, frame.button_w);
    XMapWindow(blackbox->getXDisplay(), frame.iconify_button);
    XClearWindow(blackbox->getXDisplay(), frame.iconify_button);

    lx += bw;
    lw -= bw;
  } else if (frame.iconify_button) {
    destroyIconifyButton();
  }
  int bx = frame.inside_w - bw;

  if (decorations & Decor_Close) {
    if (frame.close_button == None) createCloseButton();

    XMoveResizeWindow(blackbox->getXDisplay(), frame.close_button, bx, by,
                      frame.button_w, frame.button_w);
    XMapWindow(blackbox->getXDisplay(), frame.close_button);
    XClearWindow(blackbox->getXDisplay(), frame.close_button);

    bx -= bw;
    lw -= bw;
  } else if (frame.close_button) {
    destroyCloseButton();
  }
  if (decorations & Decor_Maximize) {
    if (frame.maximize_button == None) createMaximizeButton();

    XMoveResizeWindow(blackbox->getXDisplay(), frame.maximize_button, bx, by,
                      frame.button_w, frame.button_w);
    XMapWindow(blackbox->getXDisplay(), frame.maximize_button);
    XClearWindow(blackbox->getXDisplay(), frame.maximize_button);

    lw -= bw;
  } else if (frame.maximize_button) {
    destroyMaximizeButton();
  }
  frame.label_w = lw - by;
  XMoveResizeWindow(blackbox->getXDisplay(), frame.label, lx, frame.bevel_w,
                    frame.label_w, frame.label_h);
  if (redecorate_label) decorateLabel();

  redrawLabel();
  redrawAllButtons();
}


void BlackboxWindow::reconfigure(void) {
  upsize();

  client.rect.setPos(frame.rect.left() + frame.margin.left,
                     frame.rect.top() + frame.margin.top);

  positionWindows();
  decorate();

  XClearWindow(blackbox->getXDisplay(), frame.window);
  setFocusFlag(flags.focused);

  configure(frame.rect.x(), frame.rect.y(),
            frame.rect.width(), frame.rect.height());

  if (windowmenu) {
    windowmenu->move(windowmenu->getX(), frame.rect.y() + frame.title_h);
    windowmenu->reconfigure();
  }
}


void BlackboxWindow::updateFocusModel(void) {
  if ((! screen->isSloppyFocus()) || screen->doClickRaise()) {
    // grab button 1 for changing focus/raising
    blackbox->grabButton(Button1, 0, frame.plate, True, ButtonPressMask,
                         GrabModeSync, GrabModeSync, None, None);
  } else {
    blackbox->ungrabButton(Button1, 0, frame.plate);
  }
}


void BlackboxWindow::positionWindows(void) {
  XMoveResizeWindow(blackbox->getXDisplay(), frame.window,
                    frame.rect.x(), frame.rect.y(), frame.inside_w,
                    (flags.shaded) ? frame.title_h : frame.inside_h);
  XSetWindowBorderWidth(blackbox->getXDisplay(), frame.window, frame.border_w);
  XSetWindowBorderWidth(blackbox->getXDisplay(), frame.plate,
                        frame.mwm_border_w);
  XMoveResizeWindow(blackbox->getXDisplay(), frame.plate,
                    frame.margin.left - frame.mwm_border_w - frame.border_w,
                    frame.margin.top - frame.mwm_border_w - frame.border_w,
                    client.rect.width(), client.rect.height());
  XMoveResizeWindow(blackbox->getXDisplay(), client.window,
                    0, 0, client.rect.width(), client.rect.height());

  if (decorations & Decor_Titlebar) {
    if (frame.title == None) createTitlebar();

    XSetWindowBorderWidth(blackbox->getXDisplay(), frame.title,
                          frame.border_w);
    XMoveResizeWindow(blackbox->getXDisplay(), frame.title, -frame.border_w,
                      -frame.border_w, frame.inside_w, frame.title_h);

    positionButtons();
    XMapSubwindows(blackbox->getXDisplay(), frame.title);
    XMapWindow(blackbox->getXDisplay(), frame.title);
  } else if (frame.title) {
    destroyTitlebar();
  }
  if (decorations & Decor_Handle) {
    if (frame.handle == None) createHandle();
    XSetWindowBorderWidth(blackbox->getXDisplay(), frame.handle,
                          frame.border_w);
    XSetWindowBorderWidth(blackbox->getXDisplay(), frame.left_grip,
                          frame.border_w);
    XSetWindowBorderWidth(blackbox->getXDisplay(), frame.right_grip,
                          frame.border_w);

    XMoveResizeWindow(blackbox->getXDisplay(), frame.handle,
                      -frame.border_w,
                      frame.rect.height() - frame.margin.bottom +
                      frame.mwm_border_w - frame.border_w,
                      frame.inside_w, frame.handle_h);
    XMoveResizeWindow(blackbox->getXDisplay(), frame.left_grip,
                      -frame.border_w, -frame.border_w,
                      frame.grip_w, frame.handle_h);
    XMoveResizeWindow(blackbox->getXDisplay(), frame.right_grip,
                      frame.inside_w - frame.grip_w - frame.border_w,
                      -frame.border_w, frame.grip_w, frame.handle_h);
    XMapSubwindows(blackbox->getXDisplay(), frame.handle);
    XMapWindow(blackbox->getXDisplay(), frame.handle);
  } else if (frame.handle) {
    destroyHandle();
  }
}


void BlackboxWindow::getWMName(void) {
  XTextProperty text_prop;

  if (XGetWMName(blackbox->getXDisplay(), client.window, &text_prop)) {
    client.title = textPropertyToString(blackbox->getXDisplay(), text_prop);
    if (client.title.empty())
      client.title = i18n(WindowSet, WindowUnnamed, "Unnamed");
    XFree((char *) text_prop.value);
  } else {
    client.title = i18n(WindowSet, WindowUnnamed, "Unnamed");
  }
}


void BlackboxWindow::getWMIconName(void) {
  XTextProperty text_prop;

  if (XGetWMIconName(blackbox->getXDisplay(), client.window, &text_prop)) {
    client.icon_title =
      textPropertyToString(blackbox->getXDisplay(), text_prop);
    if (client.icon_title.empty())
      client.icon_title = client.title;
    XFree((char *) text_prop.value);
  } else {
    client.icon_title = client.title;
  }
}


/*
 * Retrieve which WM Protocols are supported by the client window.
 * If the WM_DELETE_WINDOW protocol is supported, add the close button to the
 * window's decorations and allow the close behavior.
 * If the WM_TAKE_FOCUS protocol is supported, save a value that indicates
 * this.
 */
void BlackboxWindow::getWMProtocols(void) {
  Atom *proto;
  int num_return = 0;

  if (XGetWMProtocols(blackbox->getXDisplay(), client.window,
                      &proto, &num_return)) {
    for (int i = 0; i < num_return; ++i) {
      if (proto[i] == blackbox->getWMDeleteAtom()) {
        decorations |= Decor_Close;
        functions |= Func_Close;
      } else if (proto[i] == blackbox->getWMTakeFocusAtom())
        flags.send_focus_message = True;
      else if (proto[i] == blackbox->getBlackboxStructureMessagesAtom())
        screen->addNetizen(new Netizen(screen, client.window));
    }

    XFree(proto);
  }
}


/*
 * Gets the value of the WM_HINTS property.
 * If the property is not set, then use a set of default values.
 */
void BlackboxWindow::getWMHints(void) {
  focus_mode = F_Passive;
  client.initial_state = NormalState;

  // remove from current window group
  if (client.window_group) {
    BWindowGroup *group = blackbox->searchGroup(client.window_group);
    if (group) group->removeWindow(this);
  }
  client.window_group = None;

  XWMHints *wmhint = XGetWMHints(blackbox->getXDisplay(), client.window);
  if (! wmhint) {
    return;
  }

  if (wmhint->flags & InputHint) {
    if (wmhint->input == True) {
      if (flags.send_focus_message)
        focus_mode = F_LocallyActive;
    } else {
      if (flags.send_focus_message)
        focus_mode = F_GloballyActive;
      else
        focus_mode = F_NoInput;
    }
  }

  if (wmhint->flags & StateHint)
    client.initial_state = wmhint->initial_state;

  if (wmhint->flags & WindowGroupHint) {
    client.window_group = wmhint->window_group;

    // add window to the appropriate group
    BWindowGroup *group = blackbox->searchGroup(client.window_group);
    if (! group) // no group found, create it!
      group = new BWindowGroup(blackbox, client.window_group);
    group->addWindow(this);
  }

  client.wm_hint_flags = wmhint->flags;
  XFree(wmhint);
}


/*
 * Gets the value of the WM_NORMAL_HINTS property.
 * If the property is not set, then use a set of default values.
 */
void BlackboxWindow::getWMNormalHints(void) {
  long icccm_mask;
  XSizeHints sizehint;

  const Rect& screen_area = screen->availableArea();

  client.min_width = client.min_height =
    client.width_inc = client.height_inc = 1;
  client.base_width = client.base_height = 0;
  client.max_width = screen_area.width();
  client.max_height = screen_area.height();
  client.min_aspect_x = client.min_aspect_y =
    client.max_aspect_x = client.max_aspect_y = 1;
  client.win_gravity = NorthWestGravity;

  if (! XGetWMNormalHints(blackbox->getXDisplay(), client.window,
                          &sizehint, &icccm_mask))
    return;

  client.normal_hint_flags = sizehint.flags;

  if (sizehint.flags & PMinSize) {
    client.min_width = sizehint.min_width;
    client.min_height = sizehint.min_height;
  }

  if (sizehint.flags & PMaxSize) {
    client.max_width = sizehint.max_width;
    client.max_height = sizehint.max_height;
  }

  if (sizehint.flags & PResizeInc) {
    client.width_inc = sizehint.width_inc;
    client.height_inc = sizehint.height_inc;
  }

  if (sizehint.flags & PAspect) {
    client.min_aspect_x = sizehint.min_aspect.x;
    client.min_aspect_y = sizehint.min_aspect.y;
    client.max_aspect_x = sizehint.max_aspect.x;
    client.max_aspect_y = sizehint.max_aspect.y;
  }

  if (sizehint.flags & PBaseSize) {
    client.base_width = sizehint.base_width;
    client.base_height = sizehint.base_height;
  }

  if (sizehint.flags & PWinGravity)
    client.win_gravity = sizehint.win_gravity;
}


/*
 * Gets the MWM hints for the class' contained window.
 * This is used while initializing the window to its first state, and not
 * thereafter.
 * Returns: true if the MWM hints are successfully retreived and applied;
 * false if they are not.
 */
void BlackboxWindow::getMWMHints(void) {
  int format;
  Atom atom_return;
  unsigned long num, len;
  MwmHints *mwm_hint = 0;

  int ret = XGetWindowProperty(blackbox->getXDisplay(), client.window,
                               blackbox->getMotifWMHintsAtom(), 0,
                               PropMwmHintsElements, False,
                               blackbox->getMotifWMHintsAtom(), &atom_return,
                               &format, &num, &len,
                               (unsigned char **) &mwm_hint);

  if (ret != Success || ! mwm_hint || num != PropMwmHintsElements)
    return;

  if (mwm_hint->flags & MwmHintsDecorations) {
    if (mwm_hint->decorations & MwmDecorAll) {
      decorations = Decor_Titlebar | Decor_Handle | Decor_Border |
                    Decor_Iconify | Decor_Maximize | Decor_Close;
    } else {
      decorations = 0;

      if (mwm_hint->decorations & MwmDecorBorder)
        decorations |= Decor_Border;
      if (mwm_hint->decorations & MwmDecorHandle)
        decorations |= Decor_Handle;
      if (mwm_hint->decorations & MwmDecorTitle)
        decorations |= Decor_Titlebar;
      if (mwm_hint->decorations & MwmDecorIconify)
        decorations |= Decor_Iconify;
      if (mwm_hint->decorations & MwmDecorMaximize)
        decorations |= Decor_Maximize;
    }
  }

  if (mwm_hint->flags & MwmHintsFunctions) {
    if (mwm_hint->functions & MwmFuncAll) {
      functions = Func_Resize | Func_Move | Func_Iconify | Func_Maximize |
                  Func_Close;
    } else {
      functions = 0;

      if (mwm_hint->functions & MwmFuncResize)
        functions |= Func_Resize;
      if (mwm_hint->functions & MwmFuncMove)
        functions |= Func_Move;
      if (mwm_hint->functions & MwmFuncIconify)
        functions |= Func_Iconify;
      if (mwm_hint->functions & MwmFuncMaximize)
        functions |= Func_Maximize;
      if (mwm_hint->functions & MwmFuncClose)
        functions |= Func_Close;
    }
  }
  XFree(mwm_hint);
}


/*
 * Gets the blackbox hints from the class' contained window.
 * This is used while initializing the window to its first state, and not
 * thereafter.
 * Returns: true if the hints are successfully retreived and applied; false if
 * they are not.
 */
bool BlackboxWindow::getBlackboxHints(void) {
  int format;
  Atom atom_return;
  unsigned long num, len;
  BlackboxHints *blackbox_hint = 0;

  int ret = XGetWindowProperty(blackbox->getXDisplay(), client.window,
                               blackbox->getBlackboxHintsAtom(), 0,
                               PropBlackboxHintsElements, False,
                               blackbox->getBlackboxHintsAtom(), &atom_return,
                               &format, &num, &len,
                               (unsigned char **) &blackbox_hint);
  if (ret != Success || ! blackbox_hint || num != PropBlackboxHintsElements)
    return False;

  if (blackbox_hint->flags & AttribShaded)
    flags.shaded = (blackbox_hint->attrib & AttribShaded);

  if ((blackbox_hint->flags & AttribMaxHoriz) &&
      (blackbox_hint->flags & AttribMaxVert))
    flags.maximized = (blackbox_hint->attrib &
                       (AttribMaxHoriz | AttribMaxVert)) ? 1 : 0;
  else if (blackbox_hint->flags & AttribMaxVert)
    flags.maximized = (blackbox_hint->attrib & AttribMaxVert) ? 2 : 0;
  else if (blackbox_hint->flags & AttribMaxHoriz)
    flags.maximized = (blackbox_hint->attrib & AttribMaxHoriz) ? 3 : 0;

  if (blackbox_hint->flags & AttribOmnipresent)
    flags.stuck = (blackbox_hint->attrib & AttribOmnipresent);

  if (blackbox_hint->flags & AttribWorkspace)
    blackbox_attrib.workspace = blackbox_hint->workspace;

  // if (blackbox_hint->flags & AttribStack)
  //   don't yet have always on top/bottom for blackbox yet... working
  //   on that

  if (blackbox_hint->flags & AttribDecoration) {
    switch (blackbox_hint->decoration) {
    case DecorNone:
      // clear all decorations except close
      decorations &= Decor_Close;
      // clear all functions except close
      functions &= Func_Close;

      break;

    case DecorTiny:
      decorations |= Decor_Titlebar | Decor_Iconify;
      decorations &= ~(Decor_Border | Decor_Handle | Decor_Maximize);
      functions |= Func_Move | Func_Iconify;
      functions &= ~(Func_Resize | Func_Maximize);

      break;

    case DecorTool:
      decorations |= Decor_Titlebar;
      decorations &= ~(Decor_Iconify | Decor_Border | Decor_Handle);
      functions |= Func_Move;
      functions &= ~(Func_Resize | Func_Maximize | Func_Iconify);

      break;

    case DecorNormal:
    default:
      decorations |= Decor_Titlebar | Decor_Border | Decor_Handle |
                     Decor_Iconify | Decor_Maximize;
      functions |= Func_Resize | Func_Move | Func_Iconify | Func_Maximize;

      break;
    }

    reconfigure();
  }
  XFree(blackbox_hint);
  return True;
}


void BlackboxWindow::getTransientInfo(void) {
  if (client.transient_for &&
      client.transient_for != (BlackboxWindow *) ~0ul) {
    // the transient for hint was removed, so we need to tell our
    // previous transient_for that we are going away
    client.transient_for->client.transientList.remove(this);
  }

  // we have no transient_for until we find a new one
  client.transient_for = 0;

  Window trans_for;
  if (! XGetTransientForHint(blackbox->getXDisplay(), client.window,
                             &trans_for)) {
    // transient_for hint not set
    return;
  }

  if (trans_for == client.window) {
    // wierd client... treat this window as a normal window
    return;
  }

  if (trans_for == None || trans_for == screen->getRootWindow()) {
    // this is an undocumented interpretation of the ICCCM. a transient
    // associated with None/Root/itself is assumed to be a modal root
    // transient.  we don't support the concept of a global transient,
    // so we just associate this transient with nothing, and perhaps
    // we will add support later for global modality.
    client.transient_for = (BlackboxWindow *) ~0ul;
    flags.modal = True;
    return;
  }

  client.transient_for = blackbox->searchWindow(trans_for);
  if (! client.transient_for &&
      client.window_group && trans_for == client.window_group) {
    // no direct transient_for, perhaps this is a group transient?
    BWindowGroup *group = blackbox->searchGroup(client.window_group);
    if (group) client.transient_for = group->find(screen);
  }

  if (! client.transient_for || client.transient_for == this) {
    // no transient_for found, or we have a wierd client that wants to be
    // a transient for itself, so we treat this window as a normal window
    client.transient_for = (BlackboxWindow*) 0;
    return;
  }

  // register ourselves with our new transient_for
  client.transient_for->client.transientList.push_back(this);
  flags.stuck = client.transient_for->flags.stuck;
}


BlackboxWindow *BlackboxWindow::getTransientFor(void) const {
  if (client.transient_for &&
      client.transient_for != (BlackboxWindow*) ~0ul)
    return client.transient_for;
  return 0;
}


void BlackboxWindow::configure(int dx, int dy,
                               unsigned int dw, unsigned int dh) {
  bool send_event = (frame.rect.x() != dx || frame.rect.y() != dy);

  if ((dw != frame.rect.width()) || (dh != frame.rect.height())) {
    frame.rect.setRect(dx, dy, dw, dh);
    frame.inside_w = frame.rect.width() - (frame.border_w * 2);
    frame.inside_h = frame.rect.height() - (frame.border_w * 2);

    if (frame.rect.right() <= 0 || frame.rect.bottom() <= 0)
      frame.rect.setPos(0, 0);

    client.rect.setCoords(frame.rect.left() + frame.margin.left,
                          frame.rect.top() + frame.margin.top,
                          frame.rect.right() - frame.margin.right,
                          frame.rect.bottom() - frame.margin.bottom);

#ifdef    SHAPE
    if (blackbox->hasShapeExtensions() && flags.shaped) {
      configureShape();
    }
#endif // SHAPE

    positionWindows();
    decorate();
    setFocusFlag(flags.focused);
    redrawAllButtons();
  } else {
    frame.rect.setPos(dx, dy);

    XMoveWindow(blackbox->getXDisplay(), frame.window,
                frame.rect.x(), frame.rect.y());

    if (! flags.moving) send_event = True;
  }

  if (send_event && ! flags.moving) {
    client.rect.setPos(frame.rect.left() + frame.margin.left,
                       frame.rect.top() + frame.margin.top);

    XEvent event;
    event.type = ConfigureNotify;

    event.xconfigure.display = blackbox->getXDisplay();
    event.xconfigure.event = client.window;
    event.xconfigure.window = client.window;
    event.xconfigure.x = client.rect.x();
    event.xconfigure.y = client.rect.y();
    event.xconfigure.width = client.rect.width();
    event.xconfigure.height = client.rect.height();
    event.xconfigure.border_width = client.old_bw;
    event.xconfigure.above = frame.window;
    event.xconfigure.override_redirect = False;

    XSendEvent(blackbox->getXDisplay(), client.window, True,
               NoEventMask, &event);

    screen->updateNetizenConfigNotify(&event);
  }
}


#ifdef SHAPE
void BlackboxWindow::configureShape(void) {
  XShapeCombineShape(blackbox->getXDisplay(), frame.window, ShapeBounding,
                     frame.margin.left - frame.border_w,
                     frame.margin.top - frame.border_w,
                     client.window, ShapeBounding, ShapeSet);

  int num = 0;
  XRectangle xrect[2];

  if (decorations & Decor_Titlebar) {
    xrect[0].x = xrect[0].y = -frame.border_w;
    xrect[0].width = frame.rect.width();
    xrect[0].height = frame.title_h + (frame.border_w * 2);
    ++num;
  }

  if (decorations & Decor_Handle) {
    xrect[1].x = -frame.border_w;
    xrect[1].y = frame.rect.height() - frame.margin.bottom +
                 frame.mwm_border_w - frame.border_w;
    xrect[1].width = frame.rect.width();
    xrect[1].height = frame.handle_h + (frame.border_w * 2);
    ++num;
  }

  XShapeCombineRectangles(blackbox->getXDisplay(), frame.window,
                          ShapeBounding, 0, 0, xrect, num,
                          ShapeUnion, Unsorted);
}
#endif // SHAPE


bool BlackboxWindow::setInputFocus(void) {
  if (flags.focused) return True;

  if (! client.rect.intersects(screen->getRect())) {
    // client is outside the screen, move it to the center
    configure((screen->getWidth() - frame.rect.width()) / 2,
              (screen->getHeight() - frame.rect.height()) / 2,
              frame.rect.width(), frame.rect.height());
  }

  if (client.transientList.size() > 0) {
    // transfer focus to any modal transients
    BlackboxWindowList::iterator it, end = client.transientList.end();
    for (it = client.transientList.begin(); it != end; ++it) {
      if ((*it)->flags.modal) return (*it)->setInputFocus();
    }
  }

  bool ret = True;
  if (focus_mode == F_LocallyActive || focus_mode == F_Passive) {
    XSetInputFocus(blackbox->getXDisplay(), client.window,
                   RevertToPointerRoot, CurrentTime);

    blackbox->setFocusedWindow(this);
  } else {
    /* we could set the focus to none, since the window doesn't accept focus,
     * but we shouldn't set focus to nothing since this would surely make
     * someone angry
     */
    ret = False;
  }

  if (flags.send_focus_message) {
    XEvent ce;
    ce.xclient.type = ClientMessage;
    ce.xclient.message_type = blackbox->getWMProtocolsAtom();
    ce.xclient.display = blackbox->getXDisplay();
    ce.xclient.window = client.window;
    ce.xclient.format = 32;
    ce.xclient.data.l[0] = blackbox->getWMTakeFocusAtom();
    ce.xclient.data.l[1] = blackbox->getLastTime();
    ce.xclient.data.l[2] = 0l;
    ce.xclient.data.l[3] = 0l;
    ce.xclient.data.l[4] = 0l;
    XSendEvent(blackbox->getXDisplay(), client.window, False,
               NoEventMask, &ce);
  }

  return ret;
}


void BlackboxWindow::iconify(void) {
  if (flags.iconic) return;

  if (windowmenu) windowmenu->hide();

  setState(IconicState);

  /*
   * we don't want this XUnmapWindow call to generate an UnmapNotify event, so
   * we need to clear the event mask on client.window for a split second.
   * HOWEVER, since X11 is asynchronous, the window could be destroyed in that
   * split second, leaving us with a ghost window... so, we need to do this
   * while the X server is grabbed
   */
  XGrabServer(blackbox->getXDisplay());
  XSelectInput(blackbox->getXDisplay(), client.window, NoEventMask);
  XUnmapWindow(blackbox->getXDisplay(), client.window);
  XSelectInput(blackbox->getXDisplay(), client.window,
               PropertyChangeMask | FocusChangeMask | StructureNotifyMask);
  XUngrabServer(blackbox->getXDisplay());

  XUnmapWindow(blackbox->getXDisplay(), frame.window);
  flags.visible = False;
  flags.iconic = True;

  screen->getWorkspace(blackbox_attrib.workspace)->removeWindow(this);

  if (isTransient()) {
    if (client.transient_for != (BlackboxWindow *) ~0ul &&
        ! client.transient_for->flags.iconic) {
      // iconify our transient_for
      client.transient_for->iconify();
    }
  }

  screen->addIcon(this);

  if (client.transientList.size() > 0) {
    // iconify all transients
    BlackboxWindowList::iterator it, end = client.transientList.end();
    for (it = client.transientList.begin(); it != end; ++it) {
      if (! (*it)->flags.iconic) (*it)->iconify();
    }
  }
}


void BlackboxWindow::show(void) {
  setState(NormalState);

  XMapWindow(blackbox->getXDisplay(), client.window);
  XMapSubwindows(blackbox->getXDisplay(), frame.window);
  XMapWindow(blackbox->getXDisplay(), frame.window);

  flags.visible = True;
  flags.iconic = False;
}


void BlackboxWindow::deiconify(bool reassoc, bool raise) {
  if (flags.iconic || reassoc)
    screen->reassociateWindow(this, BSENTINEL, False);
  else if (blackbox_attrib.workspace != screen->getCurrentWorkspace()->getID())
    return;

  show();

  // reassociate and deiconify all transients
  if (reassoc && client.transientList.size() > 0) {
    BlackboxWindowList::iterator it, end = client.transientList.end();
    for (it = client.transientList.begin(); it != end; ++it) {
      (*it)->deiconify(True, False);
    }
  }

  if (raise)
    screen->getWorkspace(blackbox_attrib.workspace)->raiseWindow(this);
}


void BlackboxWindow::close(void) {
  XEvent ce;
  ce.xclient.type = ClientMessage;
  ce.xclient.message_type = blackbox->getWMProtocolsAtom();
  ce.xclient.display = blackbox->getXDisplay();
  ce.xclient.window = client.window;
  ce.xclient.format = 32;
  ce.xclient.data.l[0] = blackbox->getWMDeleteAtom();
  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(blackbox->getXDisplay(), client.window, False, NoEventMask, &ce);
}


void BlackboxWindow::withdraw(void) {
  setState(current_state);

  flags.visible = False;
  flags.iconic = False;

  XUnmapWindow(blackbox->getXDisplay(), frame.window);

  XGrabServer(blackbox->getXDisplay());
  XSelectInput(blackbox->getXDisplay(), client.window, NoEventMask);
  XUnmapWindow(blackbox->getXDisplay(), client.window);
  XSelectInput(blackbox->getXDisplay(), client.window,
               PropertyChangeMask | FocusChangeMask | StructureNotifyMask);
    XUngrabServer(blackbox->getXDisplay());

  if (windowmenu) windowmenu->hide();
}


void BlackboxWindow::maximize(unsigned int button) {
  // handle case where menu is open then the max button is used instead
  if (windowmenu && windowmenu->isVisible()) windowmenu->hide();

  if (flags.maximized) {
    flags.maximized = 0;

    blackbox_attrib.flags &= ! (AttribMaxHoriz | AttribMaxVert);
    blackbox_attrib.attrib &= ! (AttribMaxHoriz | AttribMaxVert);

    /*
      when a resize is begun, maximize(0) is called to clear any maximization
      flags currently set.  Otherwise it still thinks it is maximized.
      so we do not need to call configure() because resizing will handle it
    */
    if (! flags.resizing)
      configure(blackbox_attrib.premax_x, blackbox_attrib.premax_y,
                blackbox_attrib.premax_w, blackbox_attrib.premax_h);

    blackbox_attrib.premax_x = blackbox_attrib.premax_y = 0;
    blackbox_attrib.premax_w = blackbox_attrib.premax_h = 0;

    redrawAllButtons();
    setState(current_state);
    return;
  }

  blackbox_attrib.premax_x = frame.rect.x();
  blackbox_attrib.premax_y = frame.rect.y();
  blackbox_attrib.premax_w = frame.rect.width();
  blackbox_attrib.premax_h = frame.rect.height();

  const Rect &screen_area = screen->availableArea();
  frame.changing = screen_area;
  constrain(TopLeft);

  switch(button) {
  case 1:
    blackbox_attrib.flags |= AttribMaxHoriz | AttribMaxVert;
    blackbox_attrib.attrib |= AttribMaxHoriz | AttribMaxVert;
    break;

  case 2:
    blackbox_attrib.flags |= AttribMaxVert;
    blackbox_attrib.attrib |= AttribMaxVert;

    frame.changing.setX(frame.rect.x());
    frame.changing.setWidth(frame.rect.width());
    break;

  case 3:
    blackbox_attrib.flags |= AttribMaxHoriz;
    blackbox_attrib.attrib |= AttribMaxHoriz;

    frame.changing.setY(frame.rect.y());
    frame.changing.setHeight(frame.rect.height());
    break;
  }

  if (flags.shaded) {
    blackbox_attrib.flags ^= AttribShaded;
    blackbox_attrib.attrib ^= AttribShaded;
    flags.shaded = False;
  }

  flags.maximized = button;

  configure(frame.changing.x(), frame.changing.y(),
            frame.changing.width(), frame.changing.height());
  if (flags.focused)
    screen->getWorkspace(blackbox_attrib.workspace)->raiseWindow(this);
  redrawAllButtons();
  setState(current_state);
}


// re-maximizes the window to take into account availableArea changes
void BlackboxWindow::remaximize(void) {
  // save the original dimensions because maximize will wipe them out
  int premax_x = blackbox_attrib.premax_x,
    premax_y = blackbox_attrib.premax_y,
    premax_w = blackbox_attrib.premax_w,
    premax_h = blackbox_attrib.premax_h;

  unsigned int button = flags.maximized;
  flags.maximized = 0; // trick maximize() into working
  maximize(button);

  // restore saved values
  blackbox_attrib.premax_x = premax_x;
  blackbox_attrib.premax_y = premax_y;
  blackbox_attrib.premax_w = premax_w;
  blackbox_attrib.premax_h = premax_h;
}


void BlackboxWindow::setWorkspace(unsigned int n) {
  blackbox_attrib.flags |= AttribWorkspace;
  blackbox_attrib.workspace = n;
}


void BlackboxWindow::shade(void) {
  if (! (decorations & Decor_Titlebar))
    return;

  if (flags.shaded) {
    XResizeWindow(blackbox->getXDisplay(), frame.window,
                  frame.inside_w, frame.inside_h);
    flags.shaded = False;
    blackbox_attrib.flags ^= AttribShaded;
    blackbox_attrib.attrib ^= AttribShaded;

    setState(NormalState);

    // set the frame rect to the normal size
    frame.rect.setHeight(client.rect.height() + frame.margin.top +
                         frame.margin.bottom);
  } else {
    XResizeWindow(blackbox->getXDisplay(), frame.window,
                  frame.inside_w, frame.title_h);
    flags.shaded = True;
    blackbox_attrib.flags |= AttribShaded;
    blackbox_attrib.attrib |= AttribShaded;

    setState(IconicState);

    // set the frame rect to the shaded size
    frame.rect.setHeight(frame.title_h + (frame.border_w * 2));
  }
}


void BlackboxWindow::stick(void) {
  if (flags.stuck) {
    blackbox_attrib.flags ^= AttribOmnipresent;
    blackbox_attrib.attrib ^= AttribOmnipresent;

    flags.stuck = False;

    if (! flags.iconic)
      screen->reassociateWindow(this, BSENTINEL, True);

    setState(current_state);
  } else {
    flags.stuck = True;

    blackbox_attrib.flags |= AttribOmnipresent;
    blackbox_attrib.attrib |= AttribOmnipresent;

    setState(current_state);
  }
}


void BlackboxWindow::setFocusFlag(bool focus) {
  flags.focused = focus;

  if (decorations & Decor_Titlebar) {
    if (flags.focused) {
      if (frame.ftitle)
        XSetWindowBackgroundPixmap(blackbox->getXDisplay(),
                                   frame.title, frame.ftitle);
      else
        XSetWindowBackground(blackbox->getXDisplay(),
                             frame.title, frame.ftitle_pixel);
    } else {
      if (frame.utitle)
        XSetWindowBackgroundPixmap(blackbox->getXDisplay(),
                                   frame.title, frame.utitle);
      else
        XSetWindowBackground(blackbox->getXDisplay(),
                             frame.title, frame.utitle_pixel);
    }
    XClearWindow(blackbox->getXDisplay(), frame.title);

    redrawLabel();
    redrawAllButtons();
  }

  if (decorations & Decor_Handle) {
    if (flags.focused) {
      if (frame.fhandle)
        XSetWindowBackgroundPixmap(blackbox->getXDisplay(),
                                   frame.handle, frame.fhandle);
      else
        XSetWindowBackground(blackbox->getXDisplay(),
                             frame.handle, frame.fhandle_pixel);

      if (frame.fgrip) {
        XSetWindowBackgroundPixmap(blackbox->getXDisplay(),
                                   frame.left_grip, frame.fgrip);
        XSetWindowBackgroundPixmap(blackbox->getXDisplay(),
                                   frame.right_grip, frame.fgrip);
      } else {
        XSetWindowBackground(blackbox->getXDisplay(),
                             frame.left_grip, frame.fgrip_pixel);
        XSetWindowBackground(blackbox->getXDisplay(),
                             frame.right_grip, frame.fgrip_pixel);
      }
    } else {
      if (frame.uhandle)
        XSetWindowBackgroundPixmap(blackbox->getXDisplay(),
                                   frame.handle, frame.uhandle);
      else
        XSetWindowBackground(blackbox->getXDisplay(),
                             frame.handle, frame.uhandle_pixel);

      if (frame.ugrip) {
        XSetWindowBackgroundPixmap(blackbox->getXDisplay(),
                                   frame.left_grip, frame.ugrip);
        XSetWindowBackgroundPixmap(blackbox->getXDisplay(),
                                   frame.right_grip, frame.ugrip);
      } else {
        XSetWindowBackground(blackbox->getXDisplay(),
                             frame.left_grip, frame.ugrip_pixel);
        XSetWindowBackground(blackbox->getXDisplay(),
                             frame.right_grip, frame.ugrip_pixel);
      }
    }
    XClearWindow(blackbox->getXDisplay(), frame.handle);
    XClearWindow(blackbox->getXDisplay(), frame.left_grip);
    XClearWindow(blackbox->getXDisplay(), frame.right_grip);
  }

  if (decorations & Decor_Border) {
    if (flags.focused)
      XSetWindowBorder(blackbox->getXDisplay(),
                       frame.plate, frame.fborder_pixel);
    else
      XSetWindowBorder(blackbox->getXDisplay(),
                       frame.plate, frame.uborder_pixel);
  }

  if (screen->isSloppyFocus() && screen->doAutoRaise()) {
    if (isFocused()) timer->start();
    else timer->stop();
  }

  if (isFocused())
    blackbox->setFocusedWindow(this);
}


void BlackboxWindow::installColormap(bool install) {
  int i = 0, ncmap = 0;
  Colormap *cmaps = XListInstalledColormaps(blackbox->getXDisplay(),
                                            client.window, &ncmap);
  XWindowAttributes wattrib;
  if (cmaps) {
    if (XGetWindowAttributes(blackbox->getXDisplay(),
                             client.window, &wattrib)) {
      if (install) {
        // install the window's colormap
        for (i = 0; i < ncmap; i++) {
          if (*(cmaps + i) == wattrib.colormap)
            // this window is using an installed color map... do not install
            install = False;
        }
        // otherwise, install the window's colormap
        if (install)
          XInstallColormap(blackbox->getXDisplay(), wattrib.colormap);
      } else {
        // uninstall the window's colormap
        for (i = 0; i < ncmap; i++) {
          if (*(cmaps + i) == wattrib.colormap)
            // we found the colormap to uninstall
            XUninstallColormap(blackbox->getXDisplay(), wattrib.colormap);
        }
      }
    }

    XFree(cmaps);
  }
}


void BlackboxWindow::setState(unsigned long new_state) {
  current_state = new_state;

  unsigned long state[2];
  state[0] = current_state;
  state[1] = None;
  XChangeProperty(blackbox->getXDisplay(), client.window,
                  blackbox->getWMStateAtom(), blackbox->getWMStateAtom(), 32,
                  PropModeReplace, (unsigned char *) state, 2);

  XChangeProperty(blackbox->getXDisplay(), client.window,
                  blackbox->getBlackboxAttributesAtom(),
                  blackbox->getBlackboxAttributesAtom(), 32, PropModeReplace,
                  (unsigned char *) &blackbox_attrib,
                  PropBlackboxAttributesElements);
}


bool BlackboxWindow::getState(void) {
  current_state = 0;

  Atom atom_return;
  bool ret = False;
  int foo;
  unsigned long *state, ulfoo, nitems;

  if ((XGetWindowProperty(blackbox->getXDisplay(), client.window,
                          blackbox->getWMStateAtom(),
                          0l, 2l, False, blackbox->getWMStateAtom(),
                          &atom_return, &foo, &nitems, &ulfoo,
                          (unsigned char **) &state) != Success) ||
      (! state)) {
    return False;
  }

  if (nitems >= 1) {
    current_state = static_cast<unsigned long>(state[0]);

    ret = True;
  }

  XFree((void *) state);

  return ret;
}


void BlackboxWindow::restoreAttributes(void) {
  if (! getState()) current_state = NormalState;

  Atom atom_return;
  int foo;
  unsigned long ulfoo, nitems;

  BlackboxAttributes *net;
  int ret = XGetWindowProperty(blackbox->getXDisplay(), client.window,
                               blackbox->getBlackboxAttributesAtom(), 0l,
                               PropBlackboxAttributesElements, False,
                               blackbox->getBlackboxAttributesAtom(),
                               &atom_return, &foo, &nitems, &ulfoo,
                               (unsigned char **) &net);
  if (ret != Success || ! net || nitems != PropBlackboxAttributesElements)
    return;

  if (net->flags & AttribShaded &&
      net->attrib & AttribShaded) {
    int save_state =
      ((current_state == IconicState) ? NormalState : current_state);

    flags.shaded = False;
    shade();

    current_state = save_state;
  }

  if ((net->workspace != screen->getCurrentWorkspaceID()) &&
      (net->workspace < screen->getWorkspaceCount())) {
    screen->reassociateWindow(this, net->workspace, True);

    if (current_state == NormalState) current_state = WithdrawnState;
  } else if (current_state == WithdrawnState) {
    current_state = NormalState;
  }

  if (net->flags & AttribOmnipresent &&
      net->attrib & AttribOmnipresent) {
    flags.stuck = False;
    stick();

    current_state = NormalState;
  }

  if ((net->flags & AttribMaxHoriz) ||
      (net->flags & AttribMaxVert)) {
    int x = net->premax_x, y = net->premax_y;
    unsigned int w = net->premax_w, h = net->premax_h;
    flags.maximized = 0;

    unsigned int m = 0;
    if ((net->flags & AttribMaxHoriz) &&
        (net->flags & AttribMaxVert))
      m = (net->attrib & (AttribMaxHoriz | AttribMaxVert)) ? 1 : 0;
    else if (net->flags & AttribMaxVert)
      m = (net->attrib & AttribMaxVert) ? 2 : 0;
    else if (net->flags & AttribMaxHoriz)
      m = (net->attrib & AttribMaxHoriz) ? 3 : 0;

    if (m) maximize(m);

    blackbox_attrib.premax_x = x;
    blackbox_attrib.premax_y = y;
    blackbox_attrib.premax_w = w;
    blackbox_attrib.premax_h = h;
  }

  setState(current_state);

  XFree((void *) net);
}


/*
 * Positions the frame according the the client window position and window
 * gravity.
 */
void BlackboxWindow::setGravityOffsets(void) {
  // x coordinates for each gravity type
  const int x_west = client.rect.x();
  const int x_east = client.rect.right() - frame.inside_w + 1;
  const int x_center = client.rect.right() - (frame.rect.width()/2) + 1;
  // y coordinates for each gravity type
  const int y_north = client.rect.y();
  const int y_south = client.rect.bottom() - frame.inside_h + 1;
  const int y_center = client.rect.bottom() - (frame.rect.height()/2) + 1;

  switch (client.win_gravity) {
  default:
  case NorthWestGravity: frame.rect.setPos(x_west,   y_north);  break;
  case NorthGravity:     frame.rect.setPos(x_center, y_north);  break;
  case NorthEastGravity: frame.rect.setPos(x_east,   y_north);  break;
  case SouthWestGravity: frame.rect.setPos(x_west,   y_south);  break;
  case SouthGravity:     frame.rect.setPos(x_center, y_south);  break;
  case SouthEastGravity: frame.rect.setPos(x_east,   y_south);  break;
  case WestGravity:      frame.rect.setPos(x_west,   y_center); break;
  case CenterGravity:    frame.rect.setPos(x_center, y_center); break;
  case EastGravity:      frame.rect.setPos(x_east,   y_center); break;

  case ForgetGravity:
  case StaticGravity:
    frame.rect.setPos(client.rect.x() - frame.margin.left,
                      client.rect.y() - frame.margin.top);
    break;
  }
}


/*
 * The reverse of the setGravityOffsets function. Uses the frame window's
 * position to find the window's reference point.
 */
void BlackboxWindow::restoreGravity(void) {
  // x coordinates for each gravity type
  const int x_west = frame.rect.x();
  const int x_east = frame.rect.x() + frame.inside_w - client.rect.width();
  const int x_center = frame.rect.x() + (frame.rect.width()/2) -
                       client.rect.width();
  // y coordinates for each gravity type
  const int y_north = frame.rect.y();
  const int y_south = frame.rect.y() + frame.inside_h - client.rect.height();
  const int y_center = frame.rect.y() + (frame.rect.height()/2) -
                       client.rect.height();

  switch(client.win_gravity) {
  default:
  case NorthWestGravity: client.rect.setPos(x_west,   y_north);  break;
  case NorthGravity:     client.rect.setPos(x_center, y_north);  break;
  case NorthEastGravity: client.rect.setPos(x_east,   y_north);  break;
  case SouthWestGravity: client.rect.setPos(x_west,   y_south);  break;
  case SouthGravity:     client.rect.setPos(x_center, y_south);  break;
  case SouthEastGravity: client.rect.setPos(x_east,   y_south);  break;
  case WestGravity:      client.rect.setPos(x_west,   y_center); break;
  case CenterGravity:    client.rect.setPos(x_center, y_center); break;
  case EastGravity:      client.rect.setPos(x_east,   y_center); break;

  case ForgetGravity:
  case StaticGravity:
    client.rect.setPos(frame.rect.left() + frame.margin.left,
                       frame.rect.top() + frame.margin.top);
    break;
  }
}


void BlackboxWindow::redrawLabel(void) {
  if (flags.focused) {
    if (frame.flabel)
      XSetWindowBackgroundPixmap(blackbox->getXDisplay(),
                                 frame.label, frame.flabel);
    else
      XSetWindowBackground(blackbox->getXDisplay(),
                           frame.label, frame.flabel_pixel);
  } else {
    if (frame.ulabel)
      XSetWindowBackgroundPixmap(blackbox->getXDisplay(),
                                 frame.label, frame.ulabel);
    else
      XSetWindowBackground(blackbox->getXDisplay(),
                           frame.label, frame.ulabel_pixel);
  }
  XClearWindow(blackbox->getXDisplay(), frame.label);

  WindowStyle *style = screen->getWindowStyle();

  int pos = frame.bevel_w * 2,
    dlen = style->doJustify(client.title.c_str(), pos, frame.label_w,
                            frame.bevel_w * 4, i18n.multibyte());

  BPen pen((flags.focused) ? style->l_text_focus : style->l_text_unfocus,
           style->font);
  if (i18n.multibyte())
    XmbDrawString(blackbox->getXDisplay(), frame.label, style->fontset,
                  pen.gc(), pos,
                  (1 - style->fontset_extents->max_ink_extent.y),
                  client.title.c_str(), dlen);
  else
    XDrawString(blackbox->getXDisplay(), frame.label, pen.gc(), pos,
                (style->font->ascent + 1), client.title.c_str(), dlen);
}


void BlackboxWindow::redrawAllButtons(void) {
  if (frame.iconify_button) redrawIconifyButton(False);
  if (frame.maximize_button) redrawMaximizeButton(flags.maximized);
  if (frame.close_button) redrawCloseButton(False);
}


void BlackboxWindow::redrawIconifyButton(bool pressed) {
  if (! pressed) {
    if (flags.focused) {
      if (frame.fbutton)
        XSetWindowBackgroundPixmap(blackbox->getXDisplay(),
                                   frame.iconify_button, frame.fbutton);
      else
        XSetWindowBackground(blackbox->getXDisplay(),
                             frame.iconify_button, frame.fbutton_pixel);
    } else {
      if (frame.ubutton)
        XSetWindowBackgroundPixmap(blackbox->getXDisplay(),
                                   frame.iconify_button, frame.ubutton);
      else
        XSetWindowBackground(blackbox->getXDisplay(), frame.iconify_button,
                             frame.ubutton_pixel);
    }
  } else {
    if (frame.pbutton)
      XSetWindowBackgroundPixmap(blackbox->getXDisplay(),
                                 frame.iconify_button, frame.pbutton);
    else
      XSetWindowBackground(blackbox->getXDisplay(),
                           frame.iconify_button, frame.pbutton_pixel);
  }
  XClearWindow(blackbox->getXDisplay(), frame.iconify_button);

  BPen pen((flags.focused) ? screen->getWindowStyle()->b_pic_focus :
           screen->getWindowStyle()->b_pic_unfocus);
  XDrawRectangle(blackbox->getXDisplay(), frame.iconify_button, pen.gc(),
                 2, (frame.button_w - 5), (frame.button_w - 5), 2);
}


void BlackboxWindow::redrawMaximizeButton(bool pressed) {
  if (! pressed) {
    if (flags.focused) {
      if (frame.fbutton)
        XSetWindowBackgroundPixmap(blackbox->getXDisplay(),
                                   frame.maximize_button, frame.fbutton);
      else
        XSetWindowBackground(blackbox->getXDisplay(), frame.maximize_button,
                             frame.fbutton_pixel);
    } else {
      if (frame.ubutton)
        XSetWindowBackgroundPixmap(blackbox->getXDisplay(),
                                   frame.maximize_button, frame.ubutton);
      else
        XSetWindowBackground(blackbox->getXDisplay(), frame.maximize_button,
                             frame.ubutton_pixel);
    }
  } else {
    if (frame.pbutton)
      XSetWindowBackgroundPixmap(blackbox->getXDisplay(),
                                 frame.maximize_button, frame.pbutton);
    else
      XSetWindowBackground(blackbox->getXDisplay(), frame.maximize_button,
                           frame.pbutton_pixel);
  }
  XClearWindow(blackbox->getXDisplay(), frame.maximize_button);

  BPen pen((flags.focused) ? screen->getWindowStyle()->b_pic_focus :
           screen->getWindowStyle()->b_pic_unfocus);
  XDrawRectangle(blackbox->getXDisplay(), frame.maximize_button, pen.gc(),
                 2, 2, (frame.button_w - 5), (frame.button_w - 5));
  XDrawLine(blackbox->getXDisplay(), frame.maximize_button, pen.gc(),
            2, 3, (frame.button_w - 3), 3);
}


void BlackboxWindow::redrawCloseButton(bool pressed) {
  if (! pressed) {
    if (flags.focused) {
      if (frame.fbutton)
        XSetWindowBackgroundPixmap(blackbox->getXDisplay(), frame.close_button,
                                   frame.fbutton);
      else
        XSetWindowBackground(blackbox->getXDisplay(), frame.close_button,
                             frame.fbutton_pixel);
    } else {
      if (frame.ubutton)
        XSetWindowBackgroundPixmap(blackbox->getXDisplay(), frame.close_button,
                                   frame.ubutton);
      else
        XSetWindowBackground(blackbox->getXDisplay(), frame.close_button,
                             frame.ubutton_pixel);
    }
  } else {
    if (frame.pbutton)
      XSetWindowBackgroundPixmap(blackbox->getXDisplay(),
                                 frame.close_button, frame.pbutton);
    else
      XSetWindowBackground(blackbox->getXDisplay(),
                           frame.close_button, frame.pbutton_pixel);
  }
  XClearWindow(blackbox->getXDisplay(), frame.close_button);

  BPen pen((flags.focused) ? screen->getWindowStyle()->b_pic_focus :
           screen->getWindowStyle()->b_pic_unfocus);
  XDrawLine(blackbox->getXDisplay(), frame.close_button, pen.gc(),
            2, 2, (frame.button_w - 3), (frame.button_w - 3));
  XDrawLine(blackbox->getXDisplay(), frame.close_button, pen.gc(),
            2, (frame.button_w - 3), (frame.button_w - 3), 2);
}


void BlackboxWindow::mapRequestEvent(XMapRequestEvent *re) {
  if (re->window != client.window)
    return;

#ifdef    DEBUG
  fprintf(stderr, "BlackboxWindow::mapRequestEvent() for 0x%lx\n",
          client.window);
#endif // DEBUG

  bool get_state_ret = getState();
  if (! (get_state_ret && blackbox->isStartup())) {
    if ((client.wm_hint_flags & StateHint) &&
        (! (current_state == NormalState || current_state == IconicState)))
      current_state = client.initial_state;
    else
      current_state = NormalState;
  } else if (flags.iconic) {
    current_state = NormalState;
  }

  switch (current_state) {
  case IconicState:
    iconify();
    break;

  case WithdrawnState:
    withdraw();
    break;

  case NormalState:
  case InactiveState:
  case ZoomState:
  default:
    show();
    screen->getWorkspace(blackbox_attrib.workspace)->raiseWindow(this);
    if (! blackbox->isStartup() && (isTransient() || screen->doFocusNew())) {
      XSync(blackbox->getXDisplay(), False); // make sure the frame is mapped..
      setInputFocus();
    }
    break;
  }
}


void BlackboxWindow::unmapNotifyEvent(XUnmapEvent *ue) {
  if (ue->window != client.window)
    return;

#ifdef    DEBUG
  fprintf(stderr, "BlackboxWindow::unmapNotifyEvent() for 0x%lx\n",
          client.window);
#endif // DEBUG

  screen->unmanageWindow(this, False);
}


void BlackboxWindow::destroyNotifyEvent(XDestroyWindowEvent *de) {
  if (de->window != client.window)
    return;

#ifdef    DEBUG
  fprintf(stderr, "BlackboxWindow::destroyNotifyEvent() for 0x%lx\n",
          client.window);
#endif // DEBUG

  screen->unmanageWindow(this, False);
}


void BlackboxWindow::reparentNotifyEvent(XReparentEvent *re) {
  if (re->window != client.window || re->parent == frame.plate)
    return;

#ifdef    DEBUG
  fprintf(stderr, "BlackboxWindow::reparentNotifyEvent(): reparent 0x%lx to "
          "0x%lx.\n", client.window, re->parent);
#endif // DEBUG

  XEvent ev;
  ev.xreparent = *re;
  XPutBackEvent(blackbox->getXDisplay(), &ev);
  screen->unmanageWindow(this, True);
}


void BlackboxWindow::propertyNotifyEvent(Atom atom) {
  switch(atom) {
  case XA_WM_CLASS:
  case XA_WM_CLIENT_MACHINE:
  case XA_WM_COMMAND:
    break;

  case XA_WM_TRANSIENT_FOR: {
    // determine if this is a transient window
    getTransientInfo();

    // adjust the window decorations based on transience
    if (isTransient()) {
      decorations &= ~(Decor_Maximize | Decor_Handle);
      functions &= ~Func_Maximize;
    }

    reconfigure();
  }
    break;

  case XA_WM_HINTS:
    getWMHints();
    break;

  case XA_WM_ICON_NAME:
    getWMIconName();
    if (flags.iconic) screen->propagateWindowName(this);
    break;

  case XA_WM_NAME:
    getWMName();

    if (decorations & Decor_Titlebar)
      redrawLabel();

    screen->propagateWindowName(this);
    break;

  case XA_WM_NORMAL_HINTS: {
    getWMNormalHints();

    if ((client.normal_hint_flags & PMinSize) &&
        (client.normal_hint_flags & PMaxSize)) {
      if (client.max_width <= client.min_width &&
          client.max_height <= client.min_height) {
        decorations &= ~(Decor_Maximize | Decor_Handle);
        functions &= ~(Func_Resize | Func_Maximize);
      } else {
        decorations |= Decor_Maximize | Decor_Handle;
        functions |= Func_Resize | Func_Maximize;
      }
    }

    Rect old_rect = frame.rect;

    upsize();

    if (old_rect != frame.rect)
      reconfigure();

    break;
  }

  default:
    if (atom == blackbox->getWMProtocolsAtom()) {
      getWMProtocols();

      if ((decorations & Decor_Close) && (! frame.close_button)) {
        createCloseButton();
        if (decorations & Decor_Titlebar) {
          positionButtons(True);
          XMapSubwindows(blackbox->getXDisplay(), frame.title);
        }
        if (windowmenu) windowmenu->reconfigure();
      }
    }

    break;
  }
}


void BlackboxWindow::exposeEvent(XExposeEvent *ee) {
  if (frame.label == ee->window && (decorations & Decor_Titlebar))
    redrawLabel();
  else if (frame.close_button == ee->window)
    redrawCloseButton(False);
  else if (frame.maximize_button == ee->window)
    redrawMaximizeButton(flags.maximized);
  else if (frame.iconify_button == ee->window)
    redrawIconifyButton(False);
}


void BlackboxWindow::configureRequestEvent(XConfigureRequestEvent *cr) {
  if (cr->window != client.window || flags.iconic)
    return;

  int cx = frame.rect.x(), cy = frame.rect.y();
  unsigned int cw = frame.rect.width(), ch = frame.rect.height();

  if (cr->value_mask & CWBorderWidth)
    client.old_bw = cr->border_width;

  if (cr->value_mask & CWX)
    cx = cr->x - frame.margin.left;

  if (cr->value_mask & CWY)
    cy = cr->y - frame.margin.top;

  if (cr->value_mask & CWWidth)
    cw = cr->width + frame.margin.left + frame.margin.right;

  if (cr->value_mask & CWHeight)
    ch = cr->height + frame.margin.top + frame.margin.bottom;

  if (frame.rect != Rect(cx, cy, cw, ch))
    configure(cx, cy, cw, ch);

  if (cr->value_mask & CWStackMode) {
    switch (cr->detail) {
    case Below:
    case BottomIf:
      screen->getWorkspace(blackbox_attrib.workspace)->lowerWindow(this);
      break;

    case Above:
    case TopIf:
    default:
      screen->getWorkspace(blackbox_attrib.workspace)->raiseWindow(this);
      break;
    }
  }
}


void BlackboxWindow::buttonPressEvent(XButtonEvent *be) {
  if (frame.maximize_button == be->window) {
    redrawMaximizeButton(True);
  } else if (be->button == 1 || (be->button == 3 && be->state == Mod1Mask)) {
    if (! flags.focused)
      setInputFocus();

    if (frame.iconify_button == be->window) {
      redrawIconifyButton(True);
    } else if (frame.close_button == be->window) {
      redrawCloseButton(True);
    } else if (frame.plate == be->window) {
      if (windowmenu && windowmenu->isVisible()) windowmenu->hide();

      screen->getWorkspace(blackbox_attrib.workspace)->raiseWindow(this);

      XAllowEvents(blackbox->getXDisplay(), ReplayPointer, be->time);
    } else {
      if (frame.title == be->window || frame.label == be->window) {
        if (((be->time - lastButtonPressTime) <=
             blackbox->getDoubleClickInterval()) ||
            (be->state & ControlMask)) {
          lastButtonPressTime = 0;
          shade();
        } else {
          lastButtonPressTime = be->time;
        }
      }

      frame.grab_x = be->x_root - frame.rect.x() - frame.border_w;
      frame.grab_y = be->y_root - frame.rect.y() - frame.border_w;

      if (windowmenu && windowmenu->isVisible()) windowmenu->hide();

      screen->getWorkspace(blackbox_attrib.workspace)->raiseWindow(this);
    }
  } else if (be->button == 2 && (be->window != frame.iconify_button) &&
             (be->window != frame.close_button)) {
    screen->getWorkspace(blackbox_attrib.workspace)->lowerWindow(this);
  } else if (windowmenu && be->button == 3 &&
             (frame.title == be->window || frame.label == be->window ||
              frame.handle == be->window || frame.window == be->window)) {
    int mx = 0, my = 0;

    if (frame.title == be->window || frame.label == be->window) {
      mx = be->x_root - (windowmenu->getWidth() / 2);
      my = frame.rect.y() + frame.title_h + frame.border_w;
    } else if (frame.handle == be->window) {
      mx = be->x_root - (windowmenu->getWidth() / 2);
      my = frame.rect.bottom() - frame.handle_h - (frame.border_w * 3) -
           windowmenu->getHeight();
    } else {
      mx = be->x_root - (windowmenu->getWidth() / 2);

      if (be->y <= static_cast<signed>(frame.bevel_w))
        my = frame.rect.y() + frame.title_h;
      else
        my = be->y_root - (windowmenu->getHeight() / 2);
    }

    // snap the window menu into a corner if necessary - we check the
    // position of the menu with the coordinates of the client to
    // make the comparisions easier.
    // ### this needs some work!
    if (mx > client.rect.right() -
        static_cast<signed>(windowmenu->getWidth()))
      mx = frame.rect.right() - windowmenu->getWidth() - frame.border_w + 1;
    if (mx < client.rect.left())
      mx = frame.rect.x();

    if (my > client.rect.bottom() -
        static_cast<signed>(windowmenu->getHeight()))
      my = frame.rect.bottom() - windowmenu->getHeight() - frame.border_w + 1;
    if (my < client.rect.top())
      my = frame.rect.y() + ((decorations & Decor_Titlebar) ?
                             frame.title_h : 0);

    if (windowmenu) {
      if (! windowmenu->isVisible()) {
        windowmenu->move(mx, my);
        windowmenu->show();
        XRaiseWindow(blackbox->getXDisplay(), windowmenu->getWindowID());
        XRaiseWindow(blackbox->getXDisplay(),
                     windowmenu->getSendToMenu()->getWindowID());
      } else {
        windowmenu->hide();
      }
    }
  }
}


void BlackboxWindow::buttonReleaseEvent(XButtonEvent *re) {
  if (re->window == frame.maximize_button) {
    if ((re->x >= 0 && re->x <= static_cast<signed>(frame.button_w)) &&
        (re->y >= 0 && re->y <= static_cast<signed>(frame.button_w))) {
      maximize(re->button);
    } else {
      redrawMaximizeButton(flags.maximized);
    }
  } else if (re->window == frame.iconify_button) {
    if ((re->x >= 0 && re->x <= static_cast<signed>(frame.button_w)) &&
        (re->y >= 0 && re->y <= static_cast<signed>(frame.button_w))) {
      iconify();
    } else {
      redrawIconifyButton(False);
    }
  } else if (re->window == frame.close_button) {
    if ((re->x >= 0 && re->x <= static_cast<signed>(frame.button_w)) &&
        (re->y >= 0 && re->y <= static_cast<signed>(frame.button_w)))
      close();
    redrawCloseButton(False);
  } else if (flags.moving) {
    flags.moving = False;

    if (! screen->doOpaqueMove()) {
      /* when drawing the rubber band, we need to make sure we only draw inside
       * the frame... frame.changing_* contain the new coords for the window,
       * so we need to subtract 1 from changing_w/changing_h every where we
       * draw the rubber band (for both moving and resizing)
       */
      XDrawRectangle(blackbox->getXDisplay(), screen->getRootWindow(),
                     screen->getOpGC(), frame.changing.x(), frame.changing.y(),
                     frame.changing.width() - 1, frame.changing.height() - 1);
      XUngrabServer(blackbox->getXDisplay());

      configure(frame.changing.x(), frame.changing.y(),
                frame.changing.width(), frame.changing.height());
    } else {
      configure(frame.rect.x(), frame.rect.y(),
                frame.rect.width(), frame.rect.height());
    }
    screen->hideGeometry();
    XUngrabPointer(blackbox->getXDisplay(), CurrentTime);
  } else if (flags.resizing) {
    XDrawRectangle(blackbox->getXDisplay(), screen->getRootWindow(),
                   screen->getOpGC(), frame.changing.x(), frame.changing.y(),
                   frame.changing.width() - 1, frame.changing.height() - 1);
    XUngrabServer(blackbox->getXDisplay());

    screen->hideGeometry();

    constrain((re->window == frame.left_grip) ? TopRight : TopLeft);

    // unset maximized state when resized after fully maximized
    if (flags.maximized == 1)
      maximize(0);
    flags.resizing = False;
    configure(frame.changing.x(), frame.changing.y(),
              frame.changing.width(), frame.changing.height());

    XUngrabPointer(blackbox->getXDisplay(), CurrentTime);
  } else if (re->window == frame.window) {
    if (re->button == 2 && re->state == Mod1Mask)
      XUngrabPointer(blackbox->getXDisplay(), CurrentTime);
  }
}


void BlackboxWindow::motionNotifyEvent(XMotionEvent *me) {
  if (! flags.resizing && (me->state & Button1Mask) &&
      (functions & Func_Move) &&
      (frame.title == me->window || frame.label == me->window ||
       frame.handle == me->window || frame.window == me->window)) {
    if (! flags.moving) {
      XGrabPointer(blackbox->getXDisplay(), me->window, False,
                   Button1MotionMask | ButtonReleaseMask,
                   GrabModeAsync, GrabModeAsync,
                   None, blackbox->getMoveCursor(), CurrentTime);

      if (windowmenu && windowmenu->isVisible())
        windowmenu->hide();

      flags.moving = True;

      if (! screen->doOpaqueMove()) {
        XGrabServer(blackbox->getXDisplay());

        frame.changing = frame.rect;
        screen->showPosition(frame.changing.x(), frame.changing.y());

        XDrawRectangle(blackbox->getXDisplay(), screen->getRootWindow(),
                       screen->getOpGC(),
                       frame.changing.x(),
                       frame.changing.y(),
                       frame.changing.width() - 1,
                       frame.changing.height() - 1);
      }
    } else {
      int dx = me->x_root - frame.grab_x, dy = me->y_root - frame.grab_y;
      dx -= frame.border_w;
      dy -= frame.border_w;

      const int snap_distance = screen->getEdgeSnapThreshold();

      if (snap_distance) {
        Rect srect = screen->availableArea();
        // window corners
        const int wleft = dx,
                 wright = dx + frame.rect.width() - 1,
                   wtop = dy,
                wbottom = dy + frame.rect.height() - 1;

        int dleft = std::abs(wleft - srect.left()),
           dright = std::abs(wright - srect.right()),
             dtop = std::abs(wtop - srect.top()),
          dbottom = std::abs(wbottom - srect.bottom());

        // snap left?
        if (dleft < snap_distance && dleft < dright)
          dx = srect.left();
        // snap right?
        else if (dright < snap_distance && dright < dleft)
          dx = srect.right() - frame.rect.width() + 1;

        // snap top?
        if (dtop < snap_distance && dtop < dbottom)
          dy = srect.top();
        // snap bottom?
        else if (dbottom < snap_distance && dbottom < dtop)
          dy = srect.bottom() - frame.rect.height() + 1;

        srect = screen->getRect(); // now get the full screen

        dleft = std::abs(wleft - srect.left()),
        dright = std::abs(wright - srect.right()),
        dtop = std::abs(wtop - srect.top()),
        dbottom = std::abs(wbottom - srect.bottom());

        // snap left?
        if (dleft < snap_distance && dleft < dright)
          dx = srect.left();
        // snap right?
        else if (dright < snap_distance && dright < dleft)
          dx = srect.right() - frame.rect.width() + 1;

        // snap top?
        if (dtop < snap_distance && dtop < dbottom)
          dy = srect.top();
        // snap bottom?
        else if (dbottom < snap_distance && dbottom < dtop)
          dy = srect.bottom() - frame.rect.height() + 1;
      }

      if (screen->doOpaqueMove()) {
        configure(dx, dy, frame.rect.width(), frame.rect.height());
      } else {
        XDrawRectangle(blackbox->getXDisplay(), screen->getRootWindow(),
                       screen->getOpGC(),
                       frame.changing.x(),
                       frame.changing.y(),
                       frame.changing.width() - 1,
                       frame.changing.height() - 1);

        frame.changing.setPos(dx, dy);

        XDrawRectangle(blackbox->getXDisplay(), screen->getRootWindow(),
                       screen->getOpGC(),
                       frame.changing.x(),
                       frame.changing.y(),
                       frame.changing.width() - 1,
                       frame.changing.height() - 1);
      }

      screen->showPosition(dx, dy);
    }
  } else if ((functions & Func_Resize) &&
             (((me->state & Button1Mask) &&
               (me->window == frame.right_grip ||
                me->window == frame.left_grip)) ||
              (me->state & (Mod1Mask | Button3Mask) &&
               me->window == frame.window))) {
    bool left = (me->window == frame.left_grip);

    if (! flags.resizing) {
      XGrabServer(blackbox->getXDisplay());
      XGrabPointer(blackbox->getXDisplay(), me->window, False,
                   ButtonMotionMask | ButtonReleaseMask,
                   GrabModeAsync, GrabModeAsync, None,
                   ((left) ? blackbox->getLowerLeftAngleCursor() :
                    blackbox->getLowerRightAngleCursor()),
                   CurrentTime);

      flags.resizing = True;

      int gw, gh;
      frame.grab_x = me->x;
      frame.grab_y = me->y;
      frame.changing = frame.rect;

      constrain((left) ? TopRight : TopLeft, &gw, &gh);

      XDrawRectangle(blackbox->getXDisplay(), screen->getRootWindow(),
                     screen->getOpGC(), frame.changing.x(), frame.changing.y(),
                     frame.changing.width() - 1, frame.changing.height() - 1);

      screen->showGeometry(gw, gh);
    } else {
      XDrawRectangle(blackbox->getXDisplay(), screen->getRootWindow(),
                     screen->getOpGC(), frame.changing.x(), frame.changing.y(),
                     frame.changing.width() - 1, frame.changing.height() - 1);

      int gw, gh;

      Corner anchor;

      if (left) {
        anchor = TopRight;
        frame.changing.setCoords(me->x_root - frame.grab_x, frame.rect.top(),
                                 frame.rect.right(), frame.rect.bottom());
        frame.changing.setHeight(frame.rect.height() + (me->y - frame.grab_y));
      } else {
        anchor = TopLeft;
        frame.changing.setSize(frame.rect.width() + (me->x - frame.grab_x),
                               frame.rect.height() + (me->y - frame.grab_y));
      }

      constrain(anchor, &gw, &gh);

      XDrawRectangle(blackbox->getXDisplay(), screen->getRootWindow(),
                     screen->getOpGC(), frame.changing.x(), frame.changing.y(),
                     frame.changing.width() - 1, frame.changing.height() - 1);

      screen->showGeometry(gw, gh);
    }
  }
}


#ifdef    SHAPE
void BlackboxWindow::shapeEvent(XShapeEvent *) {
  if (blackbox->hasShapeExtensions() && flags.shaped) {
    configureShape();
  }
}
#endif // SHAPE


bool BlackboxWindow::validateClient(void) {
  XSync(blackbox->getXDisplay(), False);

  XEvent e;
  if (XCheckTypedWindowEvent(blackbox->getXDisplay(), client.window,
                             DestroyNotify, &e) ||
      XCheckTypedWindowEvent(blackbox->getXDisplay(), client.window,
                             UnmapNotify, &e)) {
    XPutBackEvent(blackbox->getXDisplay(), &e);

    return False;
  }

  return True;
}


void BlackboxWindow::restore(bool remap) {
  XChangeSaveSet(blackbox->getXDisplay(), client.window, SetModeDelete);
  XSelectInput(blackbox->getXDisplay(), client.window, NoEventMask);
  XSelectInput(blackbox->getXDisplay(), frame.plate, NoEventMask);

  restoreGravity();

  XUnmapWindow(blackbox->getXDisplay(), frame.window);
  XUnmapWindow(blackbox->getXDisplay(), client.window);

  XSetWindowBorderWidth(blackbox->getXDisplay(), client.window, client.old_bw);

  XEvent ev;
  if (XCheckTypedWindowEvent(blackbox->getXDisplay(), client.window,
                             ReparentNotify, &ev)) {
    remap = True;
  } else {
    // according to the ICCCM - if the client doesn't reparent to
    // root, then we have to do it for them
    XReparentWindow(blackbox->getXDisplay(), client.window,
                    screen->getRootWindow(),
                    client.rect.x(), client.rect.y());
  }

  if (remap) XMapWindow(blackbox->getXDisplay(), client.window);
}


// timer for autoraise
void BlackboxWindow::timeout(void) {
  screen->getWorkspace(blackbox_attrib.workspace)->raiseWindow(this);
}


void BlackboxWindow::changeBlackboxHints(BlackboxHints *net) {
  if ((net->flags & AttribShaded) &&
      ((blackbox_attrib.attrib & AttribShaded) !=
       (net->attrib & AttribShaded)))
    shade();

  if (flags.visible && // watch out for requests when we can not be seen
      (net->flags & (AttribMaxVert | AttribMaxHoriz)) &&
      ((blackbox_attrib.attrib & (AttribMaxVert | AttribMaxHoriz)) !=
       (net->attrib & (AttribMaxVert | AttribMaxHoriz)))) {
    if (flags.maximized) {
      maximize(0);
    } else {
      int button = 0;

      if ((net->flags & AttribMaxHoriz) && (net->flags & AttribMaxVert))
        button = ((net->attrib & (AttribMaxHoriz | AttribMaxVert)) ?  1 : 0);
      else if (net->flags & AttribMaxVert)
        button = ((net->attrib & AttribMaxVert) ? 2 : 0);
      else if (net->flags & AttribMaxHoriz)
        button = ((net->attrib & AttribMaxHoriz) ? 3 : 0);

      maximize(button);
    }
  }

  if ((net->flags & AttribOmnipresent) &&
      ((blackbox_attrib.attrib & AttribOmnipresent) !=
       (net->attrib & AttribOmnipresent)))
    stick();

  if ((net->flags & AttribWorkspace) &&
      (blackbox_attrib.workspace != net->workspace)) {
    screen->reassociateWindow(this, net->workspace, True);

    if (screen->getCurrentWorkspaceID() != net->workspace) {
      withdraw();
    } else {
      show();
      screen->getWorkspace(blackbox_attrib.workspace)->raiseWindow(this);
    }
  }

  if (net->flags & AttribDecoration) {
    switch (net->decoration) {
    case DecorNone:
      // clear all decorations except close
      decorations &= Decor_Close;

      break;

    default:
    case DecorNormal:
      decorations |= Decor_Titlebar | Decor_Handle | Decor_Border |
                     Decor_Iconify | Decor_Maximize;

      break;

    case DecorTiny:
      decorations |= Decor_Titlebar | Decor_Iconify;
      decorations &= ~(Decor_Border | Decor_Handle | Decor_Maximize);

      break;

    case DecorTool:
      decorations |= Decor_Titlebar;
      decorations &= ~(Decor_Iconify | Decor_Border | Decor_Handle);
      functions |= Func_Move;

      break;
    }
    if (frame.window) {
      XMapSubwindows(blackbox->getXDisplay(), frame.window);
      XMapWindow(blackbox->getXDisplay(), frame.window);
    }

    reconfigure();
    setState(current_state);
  }
}


/*
 * Set the sizes of all components of the window frame
 * (the window decorations).
 * These values are based upon the current style settings and the client
 * window's dimensions.
 */
void BlackboxWindow::upsize(void) {
  frame.bevel_w = screen->getBevelWidth();

  if (decorations & Decor_Border) {
    frame.border_w = screen->getBorderWidth();
    if (! isTransient())
      frame.mwm_border_w = screen->getFrameWidth();
    else
      frame.mwm_border_w = 0;
  } else {
    frame.mwm_border_w = frame.border_w = 0;
  }

  if (decorations & Decor_Titlebar) {
    // the height of the titlebar is based upon the height of the font being
    // used to display the window's title
    WindowStyle *style = screen->getWindowStyle();
    if (i18n.multibyte())
      frame.title_h = (style->fontset_extents->max_ink_extent.height +
                       (frame.bevel_w * 2) + 2);
    else
      frame.title_h = (style->font->ascent + style->font->descent +
                       (frame.bevel_w * 2) + 2);

    frame.label_h = frame.title_h - (frame.bevel_w * 2);
    frame.button_w = (frame.label_h - 2);

    // set the top frame margin
    frame.margin.top = frame.border_w + frame.title_h +
                       frame.border_w + frame.mwm_border_w;
  } else {
    frame.title_h = 0;
    frame.label_h = 0;
    frame.button_w = 0;

    // set the top frame margin
    frame.margin.top = frame.border_w + frame.mwm_border_w;
  }

  // set the left/right frame margin
  frame.margin.left = frame.margin.right = frame.border_w + frame.mwm_border_w;

  if (decorations & Decor_Handle) {
    frame.grip_w = frame.button_w * 2;
    frame.handle_h = screen->getHandleWidth();

    // set the bottom frame margin
    frame.margin.bottom = frame.border_w + frame.handle_h +
                          frame.border_w + frame.mwm_border_w;
  } else {
    frame.handle_h = 0;
    frame.grip_w = 0;

    // set the bottom frame margin
    frame.margin.bottom = frame.border_w + frame.mwm_border_w;
  }

  // set the frame rect
  frame.rect.setSize(client.rect.width() + frame.margin.left +
                     frame.margin.right,
                     client.rect.height() + frame.margin.top +
                     frame.margin.bottom);
  frame.inside_w = frame.rect.width() - (frame.border_w * 2);
  frame.inside_h = frame.rect.height() - (frame.border_w * 2);
}


/*
 * Calculate the size of the client window and constrain it to the
 * size specified by the size hints of the client window.
 *
 * The logical width and height are placed into pw and ph, if they
 * are non-zero.  Logical size refers to the users perception of
 * the window size (for example an xterm has resizes in cells, not in
 * pixels).
 *
 * The physical geometry is placed into frame.changing_{x,y,width,height}.
 * Physical geometry refers to the geometry of the window in pixels.
 */
void BlackboxWindow::constrain(Corner anchor, int *pw, int *ph) {
  // frame.changing represents the requested frame size, we need to
  // strip the frame margin off and constrain the client size
  frame.changing.setCoords(frame.changing.left() + frame.margin.left,
                           frame.changing.top() + frame.margin.top,
                           frame.changing.right() - frame.margin.right,
                           frame.changing.bottom() - frame.margin.bottom);

  int dw = frame.changing.width(), dh = frame.changing.height(),
    base_width = (client.base_width) ? client.base_width : client.min_width,
    base_height = (client.base_height) ? client.base_height :
                                         client.min_height;

  // constrain
  if (dw < static_cast<signed>(client.min_width)) dw = client.min_width;
  if (dh < static_cast<signed>(client.min_height)) dh = client.min_height;
  if (dw > static_cast<signed>(client.max_width)) dw = client.max_width;
  if (dh > static_cast<signed>(client.max_height)) dh = client.max_height;

  dw -= base_width;
  dw /= client.width_inc;
  dh -= base_height;
  dh /= client.height_inc;

  if (pw) *pw = dw;
  if (ph) *ph = dh;

  dw *= client.width_inc;
  dw += base_width;
  dh *= client.height_inc;
  dh += base_height;

  frame.changing.setSize(dw, dh);

  // add the frame margin back onto frame.changing
  frame.changing.setCoords(frame.changing.left() - frame.margin.left,
                           frame.changing.top() - frame.margin.top,
                           frame.changing.right() + frame.margin.right,
                           frame.changing.bottom() + frame.margin.bottom);

  // move frame.changing to the specified anchor
  switch (anchor) {
  case TopLeft:
    // nothing to do
    break;

  case TopRight:
    int dx = frame.rect.right() - frame.changing.right();
    frame.changing.setPos(frame.changing.x() + dx, frame.changing.y());
    break;
  }
}


int WindowStyle::doJustify(const char *text, int &start_pos,
                           unsigned int max_length, unsigned int modifier,
                           bool multibyte) const {
  size_t text_len = strlen(text);
  unsigned int length;

  do {
    if (multibyte) {
      XRectangle ink, logical;
      XmbTextExtents(fontset, text, text_len, &ink, &logical);
      length = logical.width;
    } else {
      length = XTextWidth(font, text, text_len);
    }
    length += modifier;
  } while (length > max_length && text_len-- > 0);

  switch (justify) {
  case RightJustify:
    start_pos += max_length - length;
    break;

  case CenterJustify:
    start_pos += (max_length - length) / 2;
    break;

  case LeftJustify:
  default:
    break;
  }

  return text_len;
}


BWindowGroup::BWindowGroup(Blackbox *b, Window _group)
  : blackbox(b), group(_group) {
  // watch for destroy notify on the group window
  XSelectInput(blackbox->getXDisplay(), group, StructureNotifyMask);
  blackbox->saveGroupSearch(group, this);
}


BWindowGroup::~BWindowGroup(void) {
  blackbox->removeGroupSearch(group);
}


BlackboxWindow *
BWindowGroup::find(BScreen *screen, bool allow_transients) const {
  BlackboxWindow *ret = blackbox->getFocusedWindow();

  // does the focus window match (or any transient_fors)?
  while (ret) {
    if (ret->getScreen() == screen && ret->getGroupWindow() == group) {
      if (ret->isTransient() && allow_transients) break;
      else if (! ret->isTransient()) break;
    }

    ret = ret->getTransientFor();
  }

  if (ret) return ret;

  // the focus window didn't match, look in the group's window list
  BlackboxWindowList::const_iterator it, end = windowList.end();
  for (it = windowList.begin(); it != end; ++it) {
    ret = *it;
    if (ret->getScreen() == screen && ret->getGroupWindow() == group) {
      if (ret->isTransient() && allow_transients) break;
      else if (! ret->isTransient()) break;
    }
  }

  return ret;
}