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   yyparse(this);
  58
  59   fclose(yyin);
  60   _kt->reset();
  61   _kt->initialize();
  62 }
  63
  64 void parser::setAction(string act)
  65 {
  66   struct {
  67     const char* str;
  68     Action::ActionType act;
  69   }
  70   actions[] = {
  71     { "noaction", Action::noaction },
  72     { "execute", Action::execute },
  73     { "iconify", Action::iconify },
  74     { "raise", Action::raise },
  75     { "lower", Action::lower },
  76     { "close", Action::close },
  77     { "toggleShade", Action::toggleShade },
  78     { "toggleOmnipresent", Action::toggleOmnipresent },
  79     { "movewindowup", Action::moveWindowUp },
  80     { "movewindowdown", Action::moveWindowDown },
  81     { "movewindowleft", Action::moveWindowLeft },
  82     { "movewindowright", Action::moveWindowRight },
  83     { "resizewindowwidth", Action::resizeWindowWidth },
  84     { "resizewindowheight", Action::resizeWindowHeight },
  85     { "togglemaximizefull", Action::toggleMaximizeFull },
  86     { "togglemaximizevertical", Action::toggleMaximizeVertical },
  87     { "togglemaximizehorizontal", Action::toggleMaximizeHorizontal },
  88     { "sendtoworkspace", Action::sendToWorkspace },
  89     { "nextwindow", Action::nextWindow },
  90     { "prevwindow", Action::prevWindow },
  91     { "nextwindowonallworkspaces", Action::nextWindowOnAllWorkspaces },
  92     { "prevwindowonallworkspaces", Action::prevWindowOnAllWorkspaces },
  93     { "nextwindowonallscreens", Action::nextWindowOnAllScreens },
  94     { "prevwindowonallscreens", Action::prevWindowOnAllScreens },
  95     { "nextwindowofclass", Action::nextWindowOfClass },
  96     { "prevwindowofclass", Action::prevWindowOfClass },
  97     { "nextwindowofclassonallworkspaces", Action::nextWindowOfClassOnAllWorkspaces },
  98     { "prevwindowofclassonallworkspaces", Action::prevWindowOfClassOnAllWorkspaces },
  99     { "changeworkspace", Action::changeWorkspace },
 100     { "nextworkspace", Action::nextWorkspace },
 101     { "prevworkspace", Action::prevWorkspace },
 102     { "nextworkspacerow", Action::upWorkspace },
 103     { "prevworkspacerow", Action::downWorkspace },
 104     { "prevworkspacecolumn", Action::leftWorkspace },
 105     { "nextworkspacecolumn", Action::rightWorkspace },
 106     { "nextscreen", Action::nextScreen },
 107     { "prevscreen", Action::prevScreen },
 108     { "showrootmenu", Action::showRootMenu },
 109     { "showworkspacemenu", Action::showWorkspaceMenu },
 110     { "toggledecorations", Action::toggleDecorations },
 111     { "togglegrabs", Action::toggleGrabs },
 112     { "stringchain", Action::stringChain },
 113     { "keychain", Action::keyChain },
 114     { "numberchain", Action::numberChain },
 115     { "cancelchain", Action::cancelChain },
 116     { "", Action::noaction }
 117   };
 118
 119   bool found = false;
 120
 121   for (int i = 0; actions[i].str != ""; ++i) {
 122     if ( strcasecmp(actions[i].str, act.c_str()) == 0 ) {
 123       _action = actions[i].act;
 124       found = true;
 125       break;
 126     }
 127   }
 128
 129   if (!found) {
 130     cout << "ERROR: Invalid action (" << act << "). Binding ignored.\n";
 131     _add = false;
 132   }
 133 }
 134
 135 void parser::addModifier(string mod)
 136 {
 137   struct {
 138     const char *str;
 139     unsigned int mask;
 140   }
 141   modifiers[] = {
 142     { "mod1", Mod1Mask },
 143     { "mod2", Mod2Mask },
 144     { "mod3", Mod3Mask },
 145     { "mod4", Mod4Mask },
 146     { "mod5", Mod5Mask },
 147     { "control", ControlMask },
 148     { "shift", ShiftMask },
 149     { "", 0 }
 150   };
 151
 152   bool found = false;
 153
 154   for (int i = 0; modifiers[i].str != ""; ++i) {
 155     if ( strcasecmp(modifiers[i].str, mod.c_str()) == 0 ) {
 156       _mask |= modifiers[i].mask;
 157       found = true;
 158       break;
 159     }
 160   }
 161
 162   if (!found) {
 163     cout << "ERROR: Invalid modifier (" << mod << "). Binding ignored.\n";
 164     _add = false;
 165   }
 166 }
 167
 168 void parser::endAction()
 169 {
 170   if (_add)
 171     _kt->addAction(_action, _mask, _key, _arg);
 172   reset();
 173
 174   _add = true;
 175 }
 176
 177 void parser::startChain()
 178 {
 179   _kt->advanceOnNewNode();
 180   setChainBinding();
 181   reset();
 182 }
 183
 184 void parser::endChain()
 185 {
 186   _kt->retract();
 187   reset();
 188 }
 189
 190 void parser::setChainBinding()
 191 {
 192   if (_mask != 0 && _key != "") {
 193     if (!_add) {
 194       cout << "Error: Bad modifier detected on chain's root key.\n";
 195       _add = true;
 196     }
 197     _kt->setCurrentNodeProps(Action::noaction, _mask, _key, "");
 198     reset();
 199   }
 200 }
 201
 202 void parser::reset()
 203 {
 204   _mask = 0;
 205   _action = Action::noaction;
 206   _key = "";
 207   _arg = "";
 208 }