Dogcows Code - chaz/openbox/blob - util/epist/window.cc

   1 // -*- mode: C++; indent-tabs-mode: nil; -*-
   2 // window.cc for Epistophy - a key handler for NETWM/EWMH window managers.
   3 // Copyright (c) 2002 - 2002 Ben Jansens <ben at orodu.net>
   4 //
   5 // Permission is hereby granted, free of charge, to any person obtaining a
   6 // copy of this software and associated documentation files (the "Software"),
   7 // to deal in the Software without restriction, including without limitation
   8 // the rights to use, copy, modify, merge, publish, distribute, sublicense,
   9 // and/or sell copies of the Software, and to permit persons to whom the
  10 // Software is furnished to do so, subject to the following conditions:
  11 //
  12 // The above copyright notice and this permission notice shall be included in
  13 // all copies or substantial portions of the Software.
  14 //
  15 // THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
  16 // IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
  17 // FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT.  IN NO EVENT SHALL
  18 // THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
  19 // LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING
  20 // FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER
  21 // DEALINGS IN THE SOFTWARE.
  22
  23 #ifdef    HAVE_CONFIG_H
  24 #  include "../../config.h"
  25 #endif // HAVE_CONFIG_H
  26
  27 #include <iostream>
  28
  29 using std::cout;
  30 using std::endl;
  31 using std::hex;
  32 using std::dec;
  33
  34 #include "window.hh"
  35 #include "epist.hh"
  36 #include "../../src/XAtom.hh"
  37
  38 XWindow::XWindow(epist *epist, Window window)
  39   : _epist(epist), _xatom(epist->xatom()), _window(window) {
  40
  41   _unmapped = false;
  42
  43   XSelectInput(_epist->getXDisplay(), _window,
  44                PropertyChangeMask | StructureNotifyMask);
  45   updateState();
  46   updateDesktop();
  47   updateTitle();
  48   updateClass();
  49
  50   _epist->addWindow(this);
  51 }
  52
  53
  54 XWindow::~XWindow() {
  55   if (! _unmapped)
  56     XSelectInput(_epist->getXDisplay(), _window, None);
  57   _epist->removeWindow(this);
  58 }
  59
  60
  61 void XWindow::updateState() {
  62   // set the defaults
  63   _shaded = _iconic = _max_vert = _max_horz = false;
  64
  65   unsigned long num = (unsigned) -1;
  66   Atom *state;
  67   if (! _xatom->getValue(_window, XAtom::net_wm_state, XAtom::atom,
  68                          num, &state))
  69     return;
  70   for (unsigned long i = 0; i < num; ++i) {
  71     if (state[i] == _xatom->getAtom(XAtom::net_wm_state_maximized_vert))
  72       _max_vert = true;
  73     if (state[i] == _xatom->getAtom(XAtom::net_wm_state_maximized_horz))
  74       _max_horz = true;
  75     if (state[i] == _xatom->getAtom(XAtom::net_wm_state_shaded))
  76       _shaded = true;
  77     if (state[i] == _xatom->getAtom(XAtom::net_wm_state_hidden))
  78       _iconic = true;
  79   }
  80
  81   delete [] state;
  82 }
  83
  84
  85 void XWindow::updateDesktop() {
  86   if (! _xatom->getValue(_window, XAtom::net_wm_desktop, XAtom::cardinal,
  87                          static_cast<unsigned long>(_desktop)))
  88     _desktop = 0;
  89 }
  90
  91
  92 void XWindow::updateTitle() {
  93   _title = "";
  94
  95   // try netwm
  96   if (! _xatom->getValue(_window, XAtom::net_wm_name, XAtom::utf8, _title)) {
  97     // try old x stuff
  98     _xatom->getValue(_window, XAtom::wm_name, XAtom::ansi, _title);
  99   }
 100
 101   if (_title.empty())
 102     _title = "Unnamed";
 103 }
 104
 105
 106 void XWindow::updateClass() {
 107   // set the defaults
 108   _app_name = _app_class = "";
 109
 110   XAtom::StringVect v;
 111   unsigned long num = 2;
 112
 113   if (! _xatom->getValue(_window, XAtom::wm_class, XAtom::ansi, num, v))
 114     return;
 115
 116   if (num > 0) _app_name = v[0];
 117   if (num > 1) _app_class = v[1];
 118 }
 119
 120
 121 void XWindow::processEvent(const XEvent &e) {
 122   assert(e.xany.window == _window);
 123
 124   switch (e.type) {
 125   case PropertyNotify:
 126     // a client window
 127     if (e.xproperty.atom == _xatom->getAtom(XAtom::net_wm_state))
 128       updateState();
 129     else if (e.xproperty.atom == _xatom->getAtom(XAtom::net_wm_desktop))
 130       updateDesktop();
 131     else if (e.xproperty.atom == _xatom->getAtom(XAtom::net_wm_name) ||
 132              e.xproperty.atom == _xatom->getAtom(XAtom::wm_name))
 133       updateTitle();
 134     else if (e.xproperty.atom == _xatom->getAtom(XAtom::wm_class))
 135       updateClass();
 136     break;
 137   case DestroyNotify:
 138   case UnmapNotify:
 139     _unmapped = true;
 140     break;
 141   }
 142 }