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

   1 // -*- mode: C++; indent-tabs-mode: nil; -*-
   2 // epist.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 extern "C" {
  28 #ifdef    HAVE_UNISTD_H
  29 #  include <sys/types.h>
  30 #  include <unistd.h>
  31 #endif // HAVE_UNISTD_H
  32
  33 #ifdef    HAVE_STDLIB_H
  34 #  include <stdlib.h>
  35 #endif // HAVE_STDLIB_H
  36
  37 #ifdef    HAVE_SIGNAL_H
  38 #  include <signal.h>
  39 #endif // HAVE_SIGNAL_H
  40
  41 #ifdef    HAVE_LIBGEN_H
  42 #  include <libgen.h>
  43 #endif // HAVE_LIBGEN_H
  44 }
  45
  46 #include <iostream>
  47 #include <string>
  48
  49 using std::cout;
  50 using std::endl;
  51 using std::string;
  52
  53 #include "actions.hh"
  54 #include "epist.hh"
  55 #include "screen.hh"
  56 #include "window.hh"
  57 #include "../../src/XAtom.hh"
  58
  59
  60 epist::epist(char **argv, char *dpy_name, char *rc_file)
  61   : BaseDisplay(argv[0], dpy_name) {
  62
  63   _argv = argv;
  64
  65   if (rc_file)
  66     _rc_file = rc_file;
  67   else
  68     _rc_file = expandTilde("~/.openbox/epistrc");
  69
  70   _xatom = new XAtom(getXDisplay());
  71
  72   _active = _clients.end();
  73
  74   for (unsigned int i = 0; i < getNumberOfScreens(); ++i) {
  75     screen *s = new screen(this, i);
  76     if (s->managed()) {
  77       _screens.push_back(s);
  78       s->updateEverything();
  79     }
  80   }
  81   if (_screens.empty()) {
  82     cout << "No compatible window manager found on any screens. Aborting.\n";
  83     ::exit(1);
  84   }
  85
  86   addAction(Action::nextScreen, ControlMask, "Tab");
  87   addAction(Action::prevScreen, ControlMask | ShiftMask, "Tab");
  88   addAction(Action::nextWindow, Mod1Mask, "Tab");
  89   addAction(Action::prevWindow, Mod1Mask | ShiftMask, "Tab");
  90   addAction(Action::toggleshade, Mod1Mask, "F5");
  91   addAction(Action::close, Mod1Mask, "F4");
  92   addAction(Action::nextWindowOnAllWorkspaces, Mod1Mask | ControlMask, "Tab");
  93   addAction(Action::prevWindowOnAllWorkspaces,
  94             Mod1Mask | ShiftMask | ControlMask, "Tab");
  95   addAction(Action::prevWorkspace, Mod1Mask, "Left");
  96   addAction(Action::nextWorkspace, Mod1Mask, "Right");
  97   addAction(Action::raise, Mod1Mask, "Up");
  98   addAction(Action::lower, Mod1Mask, "Down");
  99   addAction(Action::moveWindowUp, Mod1Mask | ControlMask, "Up", 1);
 100   addAction(Action::moveWindowDown, Mod1Mask | ControlMask, "Down", 1);
 101   addAction(Action::moveWindowLeft, Mod1Mask | ControlMask, "Left", 1);
 102   addAction(Action::moveWindowRight, Mod1Mask | ControlMask, "Right", 1);
 103   addAction(Action::resizeWindowHeight, ShiftMask | Mod1Mask | ControlMask,
 104             "Up", -1);
 105   addAction(Action::resizeWindowHeight, ShiftMask | Mod1Mask | ControlMask,
 106             "Down", 1);
 107   addAction(Action::resizeWindowWidth, ShiftMask | Mod1Mask | ControlMask,
 108             "Left", -1);
 109   addAction(Action::resizeWindowWidth, ShiftMask | Mod1Mask | ControlMask,
 110             "Right", 1);
 111   addAction(Action::iconify, Mod1Mask | ControlMask, "I");
 112   addAction(Action::toggleomnipresent, Mod1Mask | ControlMask, "O");
 113   addAction(Action::toggleMaximizeHorizontal, ShiftMask | Mod1Mask, "X");
 114   addAction(Action::toggleMaximizeVertical, ShiftMask | ControlMask, "X");
 115   addAction(Action::toggleMaximizeFull, Mod1Mask | ControlMask, "X");
 116   addAction(Action::changeWorkspace, Mod1Mask | ControlMask, "1", 0);
 117   addAction(Action::changeWorkspace, Mod1Mask | ControlMask, "2", 1);
 118   addAction(Action::changeWorkspace, Mod1Mask | ControlMask, "3", 2);
 119   addAction(Action::changeWorkspace, Mod1Mask | ControlMask, "4", 3);
 120   addAction(Action::sendToWorkspace, Mod1Mask | ControlMask | ShiftMask,
 121             "1", 0);
 122   addAction(Action::sendToWorkspace, Mod1Mask | ControlMask | ShiftMask,
 123             "2", 1);
 124   addAction(Action::sendToWorkspace, Mod1Mask | ControlMask | ShiftMask,
 125             "3", 2);
 126   addAction(Action::sendToWorkspace, Mod1Mask | ControlMask | ShiftMask,
 127             "4", 3);
 128   addAction(Action::execute, Mod1Mask | ControlMask, "Escape",
 129             "sleep 1 && xset dpms force off");
 130   addAction(Action::execute, Mod1Mask, "space",
 131             "rxvt");
 132
 133   activateGrabs();
 134 }
 135
 136
 137 epist::~epist() {
 138   delete _xatom;
 139 }
 140
 141 void epist::activateGrabs() {
 142
 143   ScreenList::const_iterator scrit, scrend = _screens.end();
 144
 145   for (scrit = _screens.begin(); scrit != scrend; ++scrit) {
 146     ActionList::const_iterator ait, end = _actions.end();
 147
 148     for(ait = _actions.begin(); ait != end; ++ait) {
 149       (*scrit)->grabKey(ait->keycode(), ait->modifierMask());
 150     }
 151   }
 152 }
 153
 154
 155 bool epist::handleSignal(int sig) {
 156   switch (sig) {
 157   case SIGHUP:
 158     cout << "epist: Restarting on request.\n";
 159     execvp(_argv[0], _argv);
 160     execvp(basename(_argv[0]), _argv);
 161     return false;  // this should be unreachable
 162
 163   case SIGTERM:
 164   case SIGINT:
 165   case SIGPIPE:
 166     shutdown();
 167     return true;
 168   }
 169
 170   return false;
 171 }
 172
 173
 174 void epist::process_event(XEvent *e) {
 175   ScreenList::const_iterator it, end = _screens.end();
 176   for (it = _screens.begin(); it != end; ++it) {
 177     if ((*it)->rootWindow() == e->xany.window) {
 178       (*it)->processEvent(*e);
 179       return;
 180     }
 181   }
 182
 183   // wasnt a root window, try for client windows
 184   XWindow *w = findWindow(e->xany.window);
 185   if (w) w->processEvent(*e);
 186 }
 187
 188
 189 void epist::addWindow(XWindow *window) {
 190   _windows.insert(WindowLookupPair(window->window(), window));
 191 }
 192
 193
 194 void epist::removeWindow(XWindow *window) {
 195   _windows.erase(window->window());
 196 }
 197
 198
 199 XWindow *epist::findWindow(Window window) const {
 200   WindowLookup::const_iterator it = _windows.find(window);
 201   if (it != _windows.end())
 202     return it->second;
 203
 204   return 0;
 205 }
 206
 207
 208 void epist::cycleScreen(int current, bool forward) const {
 209   unsigned int i;
 210   for (i = 0; i < _screens.size(); ++i)
 211     if (_screens[i]->number() == current) {
 212       current = i;
 213       break;
 214     }
 215   assert(i < _screens.size());  // current is for an unmanaged screen
 216
 217   int dest = current + (forward ? 1 : -1);
 218
 219   if (dest < 0) dest = (signed)_screens.size() - 1;
 220   else if (dest >= (signed)_screens.size()) dest = 0;
 221
 222   const XWindow *target = _screens[dest]->lastActiveWindow();
 223   if (target) target->focus();
 224 }
 225
 226
 227 void epist::addAction(Action::ActionType act, unsigned int modifiers,
 228                       string key, int number) {
 229   _actions.push_back(Action(act, XKeysymToKeycode(getXDisplay(),
 230                                                   XStringToKeysym(key.c_str())),
 231                             modifiers, number));
 232 }
 233
 234
 235 void epist::addAction(Action::ActionType act, unsigned int modifiers,
 236                       string key, string str) {
 237   _actions.push_back(Action(act, XKeysymToKeycode(getXDisplay(),
 238                                                   XStringToKeysym(key.c_str())),
 239                             modifiers, str));
 240 }