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

   1 // -*- mode: C++; indent-tabs-mode: nil; c-basic-offset: 2; -*-
   2 // parser.cc for Epistrophy - 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 #include <stdio.h>
  29 #include <string.h>
  30 }
  31
  32 #include "parser.hh"
  33 #include <string>
  34 #include <iostream>
  35
  36 using std::string;
  37 using std::cout;
  38
  39 parser::parser(keytree *kt, Config *conf)
  40   : _kt(kt), _config(conf), _mask(0), _action(Action::noaction),
  41     _key(""), _arg(""), _add(true)
  42 {
  43 }
  44
  45 parser::~parser()
  46 {
  47   // nothing to see here. move along.
  48 }
  49
  50 void parser::parse(string rc_file)
  51 {
  52   extern int yyparse(void *);
  53   extern FILE *yyin;
  54
  55   yyin = fopen(rc_file.c_str(), "r");
  56
  57   if (yyin) {
  58     yyparse(this);
  59     fclose(yyin);
  60   } else {
  61     std::cerr << "ERROR: Configuration file could not be opened/found.\n";
  62   }
  63
  64   _kt->reset();
  65   _kt->initialize();
  66 }
  67
  68 void parser::setKey(string key)
  69 {
  70   KeySym sym = XStringToKeysym(key.c_str());
  71
  72   if (sym == 0) {
  73     std::cerr << "ERROR: Invalid key (" << key << ")! This may cause odd behavior.\n";
  74     _add = false;
  75   } else {
  76     _key = key;
  77   }
  78 }
  79
  80 void parser::setAction(string act)
  81 {
  82   struct {
  83     const char* str;
  84     Action::ActionType act;
  85   }
  86   actions[] = {
  87     { "noaction", Action::noaction },
  88     { "execute", Action::execute },
  89     { "iconify", Action::iconify },
  90     { "raise", Action::raise },
  91     { "lower", Action::lower },
  92     { "close", Action::close },
  93     { "toggleShade", Action::toggleShade },
  94     { "toggleOmnipresent", Action::toggleOmnipresent },
  95     { "movewindowup", Action::moveWindowUp },
  96     { "movewindowdown", Action::moveWindowDown },
  97     { "movewindowleft", Action::moveWindowLeft },
  98     { "movewindowright", Action::moveWindowRight },
  99     { "resizewindowwidth", Action::resizeWindowWidth },
 100     { "resizewindowheight", Action::resizeWindowHeight },
 101     { "togglemaximizefull", Action::toggleMaximizeFull },
 102     { "togglemaximizevertical", Action::toggleMaximizeVertical },
 103     { "togglemaximizehorizontal", Action::toggleMaximizeHorizontal },
 104     { "sendtoworkspace", Action::sendToWorkspace },
 105     { "nextwindow", Action::nextWindow },
 106     { "prevwindow", Action::prevWindow },
 107     { "nextwindowonallworkspaces", Action::nextWindowOnAllWorkspaces },
 108     { "prevwindowonallworkspaces", Action::prevWindowOnAllWorkspaces },
 109     { "nextwindowonallscreens", Action::nextWindowOnAllScreens },
 110     { "prevwindowonallscreens", Action::prevWindowOnAllScreens },
 111     { "nextwindowofclass", Action::nextWindowOfClass },
 112     { "prevwindowofclass", Action::prevWindowOfClass },
 113     { "nextwindowofclassonallworkspaces", Action::nextWindowOfClassOnAllWorkspaces },
 114     { "prevwindowofclassonallworkspaces", Action::prevWindowOfClassOnAllWorkspaces },
 115     { "changeworkspace", Action::changeWorkspace },
 116     { "nextworkspace", Action::nextWorkspace },
 117     { "prevworkspace", Action::prevWorkspace },
 118     { "nextworkspacerow", Action::upWorkspace },
 119     { "prevworkspacerow", Action::downWorkspace },
 120     { "prevworkspacecolumn", Action::leftWorkspace },
 121     { "nextworkspacecolumn", Action::rightWorkspace },
 122     { "nextscreen", Action::nextScreen },
 123     { "prevscreen", Action::prevScreen },
 124     { "showrootmenu", Action::showRootMenu },
 125     { "showworkspacemenu", Action::showWorkspaceMenu },
 126     { "toggledecorations", Action::toggleDecorations },
 127     { "togglegrabs", Action::toggleGrabs },
 128     { "stringchain", Action::stringChain },
 129     { "keychain", Action::keyChain },
 130     { "numberchain", Action::numberChain },
 131     { "cancelchain", Action::cancelChain },
 132     { "", Action::noaction }
 133   };
 134
 135   bool found = false;
 136
 137   for (int i = 0; actions[i].str != ""; ++i) {
 138     if ( strcasecmp(actions[i].str, act.c_str()) == 0 ) {
 139       _action = actions[i].act;
 140       found = true;
 141       break;
 142     }
 143   }
 144
 145   if (!found) {
 146     cout << "ERROR: Invalid action (" << act << "). Binding ignored.\n";
 147     _add = false;
 148   }
 149 }
 150
 151 void parser::addModifier(string mod)
 152 {
 153   struct {
 154     const char *str;
 155     unsigned int mask;
 156   }
 157   modifiers[] = {
 158     { "mod1", Mod1Mask },
 159     { "mod2", Mod2Mask },
 160     { "mod3", Mod3Mask },
 161     { "mod4", Mod4Mask },
 162     { "mod5", Mod5Mask },
 163     { "control", ControlMask },
 164     { "shift", ShiftMask },
 165     { "", 0 }
 166   };
 167
 168   bool found = false;
 169
 170   for (int i = 0; modifiers[i].str != ""; ++i) {
 171     if ( strcasecmp(modifiers[i].str, mod.c_str()) == 0 ) {
 172       _mask |= modifiers[i].mask;
 173       found = true;
 174       break;
 175     }
 176   }
 177
 178   if (!found) {
 179     cout << "ERROR: Invalid modifier (" << mod << "). Binding ignored.\n";
 180     _add = false;
 181   }
 182 }
 183
 184 void parser::endAction()
 185 {
 186   if (_add)
 187     _kt->addAction(_action, _mask, _key, _arg);
 188   reset();
 189
 190   _add = true;
 191 }
 192
 193 void parser::startChain()
 194 {
 195   _kt->advanceOnNewNode();
 196   setChainBinding();
 197   reset();
 198 }
 199
 200 void parser::endChain()
 201 {
 202   _kt->retract();
 203   reset();
 204 }
 205
 206 void parser::setChainBinding()
 207 {
 208   if (_add)
 209     _kt->setCurrentNodeProps(Action::noaction, _mask, _key, "");
 210
 211   _add = true;
 212   reset();
 213 }
 214
 215 void parser::reset()
 216 {
 217   _mask = 0;
 218   _action = Action::noaction;
 219   _key = "";
 220   _arg = "";
 221 }