// Keys.cc for Fluxbox - an X11 Window manager // Copyright (c) 2001 - 2003 Henrik Kinnunen (fluxgen(at)users.sourceforge.net) // // Permission is hereby granted, free of charge, to any person obtaining a // copy of this software and associated documentation files (the "Software"), // to deal in the Software without restriction, including without limitation // the rights to use, copy, modify, merge, publish, distribute, sublicense, // and/or sell copies of the Software, and to permit persons to whom the // Software is furnished to do so, subject to the following conditions: // // The above copyright notice and this permission notice shall be included in // all copies or substantial portions of the Software. // // THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR // IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, // FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL // THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER // LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING // FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER // DEALINGS IN THE SOFTWARE. //$Id: Keys.cc,v 1.41 2003/12/30 18:14:33 fluxgen Exp $ #include "Keys.hh" #include "FbTk/StringUtil.hh" #include "FbTk/App.hh" #include "FbTk/Command.hh" #include "FbTk/KeyUtil.hh" #include "CommandParser.hh" #ifdef HAVE_CONFIG_H #include "config.h" #endif // HAVE_CONFIG_H #ifdef HAVE_CTYPE_H #include <ctype.h> #endif // HAVE_CTYPE_H #include <cstdio> #include <cstdlib> #include <cerrno> #include <cstring> #ifdef HAVE_SYS_TYPES_H #include <sys/types.h> #endif // HAVE_SYS_TYPES_H #ifdef HAVE_SYS_WAIT_H #include <sys/wait.h> #endif // HAVE_SYS_WAIT_H #ifdef HAVE_UNISTD_H #include <unistd.h> #endif // HAVE_UNISTD_H #ifdef HAVE_SYS_STAT_H #include <sys/stat.h> #endif // HAVE_SYS_STAT_H #include <X11/Xlib.h> #include <X11/Xproto.h> #include <X11/keysym.h> #include <iostream> #include <fstream> #include <vector> #include <cassert> #include <memory> using namespace std; Keys::Keys(const char *filename): m_display(FbTk::App::instance()->display()) { if (filename != 0) load(filename); } Keys::~Keys() { FbTk::KeyUtil::ungrabKeys(); deleteTree(); } /// Destroys the keytree void Keys::deleteTree() { while (!m_keylist.empty()) { if (m_keylist.back()) delete m_keylist.back(); m_keylist.pop_back(); } } /** Load and grab keys TODO: error checking @return true on success else false */ bool Keys::load(const char *filename) { if (!filename) return false; //ungrab all keys FbTk::KeyUtil::ungrabKeys(); //free memory of previous grabs deleteTree(); FbTk::App::instance()->sync(false); //open the file ifstream infile(filename); if (!infile) return false; // faild to open file m_current_line = 0;//current line, so we can tell the user where the fault is while (!infile.eof()) { string linebuffer; getline(infile, linebuffer); m_current_line++; addBinding(linebuffer); } // end while eof m_current_line = 0; m_filename = filename; return true; } bool Keys::save(const char *filename) const { //!! //!! TODO: fix keybinding saving //!! (we probably need to save key actions //!! as strings instead of creating new Commands) // open file for writing // ofstream outfile(filename); // if (!outfile) return false; // return true; } bool Keys::addBinding(const std::string &linebuffer) { vector<string> val; // Parse arguments FbTk::StringUtil::stringtok(val, linebuffer.c_str()); // must have at least 1 argument if (val.size() <= 0) return true; // empty lines are valid. if (val[0][0] == '#') //the line is commented return true; // still a valid line. unsigned int key = 0, mod = 0; char keyarg = 0; t_key *current_key=0, *last_key=0; // for each argument for (unsigned int argc=0; argc<val.size(); argc++) { if (val[argc][0] != ':') { // parse key(s) keyarg++; if (keyarg==1) //first arg is modifier mod = FbTk::KeyUtil::getModifier(val[argc].c_str()); else if (keyarg > 1) { int tmpmod = FbTk::KeyUtil::getModifier(val[argc].c_str()); if(tmpmod) mod |= tmpmod; //If it's a modifier else { key = FbTk::KeyUtil::getKey(val[argc].c_str()); // else get the key if (key == 0) { cerr<<"Keys: Invalid key/modifier on line("<< m_current_line<<"): "<<linebuffer<<endl; return false; } if (!current_key) { current_key = new t_key(key, mod); last_key = current_key; } else { t_key *temp_key = new t_key(key, mod); last_key->keylist.push_back(temp_key); last_key = temp_key; } } } } else { // parse command line if (last_key == 0) { cerr<<"Keys: Error on line: "<<m_current_line<<endl; cerr<<"> "<<linebuffer<<endl; return false; } bool ret_val = true; const char *str = FbTk::StringUtil::strcasestr(linebuffer.c_str(), val[argc].c_str() + 1); // +1 to skip ':' if (str == 0) { cerr<<"Keys: Error on line: "<<m_current_line<<endl; cerr<<"> "<<linebuffer<<endl; ret_val = false; } else { last_key->m_command = CommandParser::instance().parseLine(str); if (*last_key->m_command == 0) { cerr<<"Keys: Error on line: "<<m_current_line<<endl; cerr<<"> "<<linebuffer<<endl; } else { // Add the keychain to list if (!mergeTree(current_key)) { cerr<<"Keys: Failed to merge keytree!"<<endl; ret_val = false; } } } delete current_key; current_key = 0; last_key = 0; return ret_val; } // end if } // end for return false; } /** @return the KeyAction of the XKeyEvent */ void Keys::doAction(XKeyEvent &ke) { static t_key *next_key = 0; // Remove numlock, capslock and scrolllock ke.state = FbTk::KeyUtil::instance().cleanMods(ke.state); if (!next_key) { for (unsigned int i=0; i<m_keylist.size(); i++) { if (*m_keylist[i] == ke) { if (m_keylist[i]->keylist.size()) { next_key = m_keylist[i]; break; //end for-loop } else { if (*m_keylist[i]->m_command != 0) m_keylist[i]->m_command->execute(); } } } } else { //check the nextkey t_key *temp_key = next_key->find(ke); if (temp_key) { if (temp_key->keylist.size()) { next_key = temp_key; } else { next_key = 0; if (*temp_key->m_command != 0) temp_key->m_command->execute(); } } else { temp_key = next_key; next_key = 0; if (*temp_key->m_command != 0) temp_key->m_command->execute(); } } } /** deletes the tree and load configuration returns true on success else false */ bool Keys::reconfigure(const char *filename) { deleteTree(); return load(filename); } /** Merges two chains and binds new keys @return true on success else false. */ bool Keys::mergeTree(t_key *newtree, t_key *basetree) { if (basetree==0) { unsigned int baselist_i=0; for (; baselist_i<m_keylist.size(); baselist_i++) { if (m_keylist[baselist_i]->mod == newtree->mod && m_keylist[baselist_i]->key == newtree->key) { if (newtree->keylist.size() && *m_keylist[baselist_i]->m_command == 0) { //assumes the newtree only have one branch return mergeTree(newtree->keylist[0], m_keylist[baselist_i]); } else break; } } if (baselist_i == m_keylist.size()) { FbTk::KeyUtil::grabKey(newtree->key, newtree->mod); m_keylist.push_back(new t_key(newtree)); if (newtree->keylist.size()) return mergeTree(newtree->keylist[0], m_keylist.back()); return true; } } else { unsigned int baselist_i = 0; for (; baselist_i<basetree->keylist.size(); baselist_i++) { if (basetree->keylist[baselist_i]->mod == newtree->mod && basetree->keylist[baselist_i]->key == newtree->key) { if (newtree->keylist.size()) { //assumes the newtree only have on branch return mergeTree(newtree->keylist[0], basetree->keylist[baselist_i]); } else return false; } } //if it wasn't in the list grab the key and add it to the list if (baselist_i==basetree->keylist.size()) { FbTk::KeyUtil::grabKey(newtree->key, newtree->mod); basetree->keylist.push_back(new t_key(newtree)); if (newtree->keylist.size()) return mergeTree(newtree->keylist[0], basetree->keylist.back()); return true; } } return false; } Keys::t_key::t_key(unsigned int key_, unsigned int mod_, FbTk::RefCount<FbTk::Command> command) { key = key_; mod = mod_; m_command = command; } Keys::t_key::t_key(t_key *k) { key = k->key; mod = k->mod; m_command = k->m_command; } Keys::t_key::~t_key() { while (!keylist.empty()) { t_key *k = keylist.back(); if (k != 0) { // make sure we don't have a bad key pointer delete k; keylist.pop_back(); } } }