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 "epist.hh"
  35 #include "screen.hh"
  36 #include "window.hh"
  37 #include "../../src/XAtom.hh"
  38
  39 XWindow::XWindow(epist *epist, screen *screen, Window window)
  40   : _epist(epist), _screen(screen), _xatom(epist->xatom()), _window(window) {
  41
  42   _unmapped = false;
  43
  44   XSelectInput(_epist->getXDisplay(), _window,
  45                PropertyChangeMask | StructureNotifyMask);
  46
  47   updateDimentions();
  48   updateGravity();
  49   updateState();
  50   updateDesktop();
  51   updateTitle();
  52   updateClass();
  53
  54   _epist->addWindow(this);
  55 }
  56
  57
  58 XWindow::~XWindow() {
  59   if (! _unmapped)
  60     XSelectInput(_epist->getXDisplay(), _window, None);
  61   _epist->removeWindow(this);
  62 }
  63
  64
  65 void XWindow::updateDimentions() {
  66   Window root, child;
  67   int x, y;
  68   unsigned int w, h, b, d;
  69
  70   if (XGetGeometry(_epist->getXDisplay(), _window, &root, &x, &y, &w, &h,
  71                      &b, &d) &&
  72       XTranslateCoordinates(_epist->getXDisplay(), _window, root, x, y,
  73                             &x, &y, &child))
  74     _rect.setRect(x, y, w, h);
  75   else
  76     _rect.setRect(0, 0, 1, 1);
  77 }
  78
  79
  80 void XWindow::updateGravity() {
  81   XSizeHints size;
  82   long ret;
  83
  84   if (XGetWMNormalHints(_epist->getXDisplay(), _window, &size, &ret) &&
  85       (size.flags & PWinGravity))
  86     _gravity = size.win_gravity;
  87   else
  88     _gravity = NorthWestGravity;
  89 }
  90
  91
  92 void XWindow::updateState() {
  93   // set the defaults
  94   _shaded = _iconic = _max_vert = _max_horz = false;
  95
  96   unsigned long num = (unsigned) -1;
  97   Atom *state;
  98   if (! _xatom->getValue(_window, XAtom::net_wm_state, XAtom::atom,
  99                          num, &state))
 100     return;
 101   for (unsigned long i = 0; i < num; ++i) {
 102     if (state[i] == _xatom->getAtom(XAtom::net_wm_state_maximized_vert))
 103       _max_vert = true;
 104     if (state[i] == _xatom->getAtom(XAtom::net_wm_state_maximized_horz))
 105       _max_horz = true;
 106     if (state[i] == _xatom->getAtom(XAtom::net_wm_state_shaded))
 107       _shaded = true;
 108     if (state[i] == _xatom->getAtom(XAtom::net_wm_state_hidden))
 109       _iconic = true;
 110   }
 111
 112   delete [] state;
 113 }
 114
 115
 116 void XWindow::updateDesktop() {
 117   if (! _xatom->getValue(_window, XAtom::net_wm_desktop, XAtom::cardinal,
 118                          static_cast<unsigned long>(_desktop)))
 119     _desktop = 0;
 120 }
 121
 122
 123 void XWindow::updateTitle() {
 124   _title = "";
 125
 126   // try netwm
 127   if (! _xatom->getValue(_window, XAtom::net_wm_name, XAtom::utf8, _title)) {
 128     // try old x stuff
 129     _xatom->getValue(_window, XAtom::wm_name, XAtom::ansi, _title);
 130   }
 131
 132   if (_title.empty())
 133     _title = "Unnamed";
 134 }
 135
 136
 137 void XWindow::updateClass() {
 138   // set the defaults
 139   _app_name = _app_class = "";
 140
 141   XAtom::StringVect v;
 142   unsigned long num = 2;
 143
 144   if (! _xatom->getValue(_window, XAtom::wm_class, XAtom::ansi, num, v))
 145     return;
 146
 147   if (num > 0) _app_name = v[0];
 148   if (num > 1) _app_class = v[1];
 149 }
 150
 151
 152 void XWindow::processEvent(const XEvent &e) {
 153   assert(e.xany.window == _window);
 154
 155   switch (e.type) {
 156   case ConfigureNotify:
 157     updateDimentions();
 158     break;
 159   case PropertyNotify:
 160     if (e.xproperty.atom == XA_WM_NORMAL_HINTS)
 161       updateGravity();
 162     else if (e.xproperty.atom == _xatom->getAtom(XAtom::net_wm_state))
 163       updateState();
 164     else if (e.xproperty.atom == _xatom->getAtom(XAtom::net_wm_desktop))
 165       updateDesktop();
 166     else if (e.xproperty.atom == _xatom->getAtom(XAtom::net_wm_name) ||
 167              e.xproperty.atom == _xatom->getAtom(XAtom::wm_name))
 168       updateTitle();
 169     else if (e.xproperty.atom == _xatom->getAtom(XAtom::wm_class))
 170       updateClass();
 171     break;
 172   case DestroyNotify:
 173   case UnmapNotify:
 174     _unmapped = true;
 175     break;
 176   }
 177 }
 178
 179
 180 void XWindow::shade(const bool sh) const {
 181   _xatom->sendClientMessage(_screen->rootWindow(), XAtom::net_wm_state,
 182                             _window, (sh ? 1 : 0),
 183                             _xatom->getAtom(XAtom::net_wm_state_shaded));
 184 }
 185
 186
 187 void XWindow::close() const {
 188   _xatom->sendClientMessage(_screen->rootWindow(), XAtom::net_close_window,
 189                             _window);
 190 }
 191
 192
 193 void XWindow::raise() const {
 194   XRaiseWindow(_epist->getXDisplay(), _window);
 195 }
 196
 197
 198 void XWindow::lower() const {
 199   XLowerWindow(_epist->getXDisplay(), _window);
 200 }
 201
 202
 203 void XWindow::iconify() const {
 204   _xatom->sendClientMessage(_screen->rootWindow(), XAtom::wm_change_state,
 205                             _window, IconicState);
 206 }
 207
 208
 209 void XWindow::focus() const {
 210   // this will also unshade the window..
 211   _xatom->sendClientMessage(_screen->rootWindow(), XAtom::net_active_window,
 212                             _window);
 213 }
 214
 215
 216 void XWindow::sendTo(unsigned int dest) const {
 217   _xatom->sendClientMessage(_screen->rootWindow(), XAtom::net_wm_desktop,
 218                             _window, dest);
 219 }
 220
 221
 222 void XWindow::move(int x, int y) const {
 223   // get the window's decoration sizes (margins)
 224   Strut margins;
 225   Window win = _window, parent, root, last = None;
 226   Window *children = 0;
 227   unsigned int nchildren;
 228   XWindowAttributes wattr;
 229
 230   while (XQueryTree(_epist->getXDisplay(), win, &root, &parent, &children,
 231                     &nchildren)) {
 232     if (children && nchildren > 0)
 233       XFree(children); // don't care about the children
 234
 235     if (! parent) // no parent!?
 236       return;
 237
 238     // if the parent window is the root window, stop here
 239     if (parent == root)
 240       break;
 241
 242     last = win;
 243     win = parent;
 244   }
 245
 246   if (! (XTranslateCoordinates(_epist->getXDisplay(), last, win, 0, 0,
 247                                (int *) &margins.left,
 248                                (int *) &margins.top,
 249                                &parent) &&
 250          XGetWindowAttributes(_epist->getXDisplay(), win, &wattr)))
 251     return;
 252
 253   margins.right = wattr.width - _rect.width() - margins.left;
 254   margins.bottom = wattr.height - _rect.height() - margins.top;
 255
 256   margins.left += wattr.border_width;
 257   margins.right += wattr.border_width;
 258   margins.top += wattr.border_width;
 259   margins.bottom += wattr.border_width;
 260
 261   // this makes things work. why? i don't know. but you need them.
 262   margins.right -= 2;
 263   margins.bottom -= 2;
 264
 265   // find the frame's reference position based on the window's gravity
 266   switch (_gravity) {
 267   case NorthWestGravity:
 268     x -= margins.left;
 269     y -= margins.top;
 270     break;
 271   case NorthGravity:
 272     x += (margins.left + margins.right) / 2;
 273     y -= margins.top;
 274     break;
 275   case NorthEastGravity:
 276     x += margins.right;
 277     y -= margins.top;
 278   case WestGravity:
 279     x -= margins.left;
 280     y += (margins.top + margins.bottom) / 2;
 281     break;
 282   case CenterGravity:
 283     x += (margins.left + margins.right) / 2;
 284     y += (margins.top + margins.bottom) / 2;
 285     break;
 286   case EastGravity:
 287     x += margins.right;
 288     y += (margins.top + margins.bottom) / 2;
 289   case SouthWestGravity:
 290     x -= margins.left;
 291     y += margins.bottom;
 292     break;
 293   case SouthGravity:
 294     x += (margins.left + margins.right) / 2;
 295     y += margins.bottom;
 296     break;
 297   case SouthEastGravity:
 298     x += margins.right;
 299     y += margins.bottom;
 300     break;
 301   default:
 302     break;
 303   }
 304
 305   XMoveWindow(_epist->getXDisplay(), _window, x, y);
 306 }
 307
 308
 309 void XWindow::resize(unsigned int width, unsigned int height) const {
 310   XResizeWindow(_epist->getXDisplay(), _window, width, height);
 311 }
 312
 313
 314 void XWindow::toggleMaximize(Max max) const {
 315   switch (max) {
 316   case Max_Full:
 317     _xatom->
 318       sendClientMessage(_screen->rootWindow(), XAtom::net_wm_state,
 319                         _window, (_max_vert == _max_horz ? 2 : 1),
 320                         _xatom->getAtom(XAtom::net_wm_state_maximized_horz),
 321                         _xatom->getAtom(XAtom::net_wm_state_maximized_vert));
 322     break;
 323
 324   case Max_Horz:
 325     _xatom->
 326       sendClientMessage(_screen->rootWindow(), XAtom::net_wm_state,
 327                         _window, 2,
 328                         _xatom->getAtom(XAtom::net_wm_state_maximized_horz));
 329     break;
 330
 331   case Max_Vert:
 332     _xatom->
 333       sendClientMessage(_screen->rootWindow(), XAtom::net_wm_state,
 334                         _window, 2,
 335                         _xatom->getAtom(XAtom::net_wm_state_maximized_vert));
 336     break;
 337
 338   case Max_None:
 339     assert(false);  // you should not do this. it is pointless and probly a bug
 340     break;
 341   }
 342 }
 343
 344
 345 void XWindow::maximize(Max max) const {
 346   switch (max) {
 347   case Max_None:
 348     _xatom->
 349       sendClientMessage(_screen->rootWindow(), XAtom::net_wm_state,
 350                         _window, 0,
 351                         _xatom->getAtom(XAtom::net_wm_state_maximized_horz),
 352                         _xatom->getAtom(XAtom::net_wm_state_maximized_vert));
 353     break;
 354
 355   case Max_Full:
 356     _xatom->
 357       sendClientMessage(_screen->rootWindow(), XAtom::net_wm_state,
 358                         _window, 1,
 359                         _xatom->getAtom(XAtom::net_wm_state_maximized_horz),
 360                         _xatom->getAtom(XAtom::net_wm_state_maximized_vert));
 361     break;
 362
 363   case Max_Horz:
 364     _xatom->
 365       sendClientMessage(_screen->rootWindow(), XAtom::net_wm_state,
 366                         _window, 1,
 367                         _xatom->getAtom(XAtom::net_wm_state_maximized_horz));
 368     break;
 369
 370   case Max_Vert:
 371     _xatom->
 372       sendClientMessage(_screen->rootWindow(), XAtom::net_wm_state,
 373                         _window, 1,
 374                         _xatom->getAtom(XAtom::net_wm_state_maximized_vert));
 375     break;
 376   }
 377 }