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fluxbox/util/fluxbox-update_configs.cc

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// fluxbox-update_configs.cc
// Copyright (c) 2007 Fluxbox Team (fluxgen at fluxbox dot org)
//
// 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.
#include "../src/FbTk/I18n.hh"
#include "../src/FbTk/Resource.hh"
#include "../src/FbTk/StringUtil.hh"
#include "../src/defaults.hh"
#ifdef HAVE_CONFIG_H
#include "config.h"
#endif // HAVE_CONFIG_H
#ifdef HAVE_SIGNAL_H
#include <signal.h>
#endif // HAVE_SIGNAL_H
//use GNU extensions
#ifndef _GNU_SOURCE
#define _GNU_SOURCE
#endif // _GNU_SOURCE
#ifdef HAVE_CSTRING
#include <cstring>
#else
#include <string.h>
#endif
#include <iostream>
#include <fstream>
#include <set>
#include <map>
#include <list>
using std::cout;
using std::cerr;
using std::endl;
using std::string;
using std::ifstream;
using std::ofstream;
using std::set;
using std::map;
using std::list;
string read_file(string filename);
void write_file(string filename, string &contents);
void save_all_files();
int run_updates(int old_version, FbTk::ResourceManager rm) {
int new_version = old_version;
FbTk::Resource<string> rc_keyfile(rm, "~/.fluxbox/keys",
"session.keyFile", "Session.KeyFile");
FbTk::Resource<string> rc_appsfile(rm, "~/.fluxbox/apps",
"session.appsFile", "Session.AppsFile");
string appsfilename = FbTk::StringUtil::expandFilename(*rc_appsfile);
string keyfilename = FbTk::StringUtil::expandFilename(*rc_keyfile);
if (old_version < 1) { // add mouse events to keys file
string whole_keyfile = read_file(keyfilename);
string new_keyfile = "";
// let's put our new keybindings first, so they're easy to find
new_keyfile += "!mouse actions added by fluxbox-update_configs\n";
new_keyfile += "OnDesktop Mouse1 :hideMenus\n";
new_keyfile += "OnDesktop Mouse2 :workspaceMenu\n";
new_keyfile += "OnDesktop Mouse3 :rootMenu\n";
// scrolling on desktop needs to match user's desktop wheeling settings
// hmmm, what are the odds that somebody wants this to be different on
// different screens? the ability is going away until we make per-screen
// keys files, anyway, so let's just use the first screen's setting
FbTk::Resource<bool> rc_wheeling(rm, true,
"session.screen0.desktopwheeling",
"Session.Screen0.DesktopWheeling");
FbTk::Resource<bool> rc_reverse(rm, false,
"session.screen0.reversewheeling",
"Session.Screen0.ReverseWheeling");
if (*rc_wheeling) {
if (*rc_reverse) { // if you ask me, this should have been default
new_keyfile += "OnDesktop Mouse4 :prevWorkspace\n";
new_keyfile += "OnDesktop Mouse5 :nextWorkspace\n";
} else {
new_keyfile += "OnDesktop Mouse4 :nextWorkspace\n";
new_keyfile += "OnDesktop Mouse5 :prevWorkspace\n";
}
}
new_keyfile += "\n"; // just for good looks
new_keyfile += whole_keyfile; // don't forget user's old keybindings
write_file(keyfilename, new_keyfile);
new_version = 1;
}
if (old_version < 2) { // move groups entries to apps file
FbTk::Resource<string> rc_groupfile(rm, "~/.fluxbox/groups",
"session.groupFile", "Session.GroupFile");
string groupfilename = FbTk::StringUtil::expandFilename(*rc_groupfile);
string whole_groupfile = read_file(groupfilename);
string whole_appsfile = read_file(appsfilename);
string new_appsfile = "";
list<string> lines;
FbTk::StringUtil::stringtok(lines, whole_groupfile, "\n");
list<string>::iterator line_it = lines.begin();
list<string>::iterator line_it_end = lines.end();
for (; line_it != line_it_end; ++line_it) {
new_appsfile += "[group] (workspace=[current])\n";
list<string> apps;
FbTk::StringUtil::stringtok(apps, *line_it);
list<string>::iterator it = apps.begin();
list<string>::iterator it_end = apps.end();
for (; it != it_end; ++it) {
new_appsfile += " [app] (name=";
new_appsfile += *it;
new_appsfile += ")\n";
}
new_appsfile += "[end]\n";
}
new_appsfile += whole_appsfile;
write_file(appsfilename, new_appsfile);
new_version = 2;
}
if (old_version < 3) { // move toolbar wheeling to keys file
string whole_keyfile = read_file(keyfilename);
string new_keyfile = "";
// let's put our new keybindings first, so they're easy to find
new_keyfile += "!mouse actions added by fluxbox-update_configs\n";
bool keep_changes = false;
// scrolling on toolbar needs to match user's toolbar wheeling settings
FbTk::Resource<string> rc_wheeling(rm, "Off",
"session.screen0.iconbar.wheelMode",
"Session.Screen0.Iconbar.WheelMode");
FbTk::Resource<bool> rc_screen(rm, true,
"session.screen0.desktopwheeling",
"Session.Screen0.DesktopWheeling");
FbTk::Resource<bool> rc_reverse(rm, false,
"session.screen0.reversewheeling",
"Session.Screen0.ReverseWheeling");
if (strcasecmp((*rc_wheeling).c_str(), "On") == 0 ||
(strcasecmp((*rc_wheeling).c_str(), "Screen") && *rc_screen)) {
keep_changes = true;
if (*rc_reverse) { // if you ask me, this should have been default
new_keyfile += "OnToolbar Mouse4 :prevWorkspace\n";
new_keyfile += "OnToolbar Mouse5 :nextWorkspace\n";
} else {
new_keyfile += "OnToolbar Mouse4 :nextWorkspace\n";
new_keyfile += "OnToolbar Mouse5 :prevWorkspace\n";
}
}
new_keyfile += "\n"; // just for good looks
new_keyfile += whole_keyfile; // don't forget user's old keybindings
if (keep_changes)
write_file(keyfilename, new_keyfile);
new_version = 3;
}
if (old_version < 4) { // move modkey to keys file
string whole_keyfile = read_file(keyfilename);
string new_keyfile = "";
// let's put our new keybindings first, so they're easy to find
new_keyfile += "!mouse actions added by fluxbox-update_configs\n";
// need to match user's resize model
FbTk::Resource<string> rc_mode(rm, "Bottom",
"session.screen0.resizeMode",
"Session.Screen0.ResizeMode");
FbTk::Resource<string> rc_modkey(rm, "Mod1",
"session.modKey",
"Session.ModKey");
new_keyfile += "OnWindow " + *rc_modkey + " Mouse1 :StartMoving\n";
if (strcasecmp((*rc_mode).c_str(), "Quadrant") == 0) {
new_keyfile += "OnWindow " + *rc_modkey +
" Mouse3 :StartResizing NearestCorner\n";
} else if (strcasecmp((*rc_mode).c_str(), "Center") == 0) {
new_keyfile += "OnWindow " + *rc_modkey +
" Mouse3 :StartResizing Center\n";
} else {
new_keyfile += "OnWindow " + *rc_modkey +
" Mouse3 :StartResizing BottomRight\n";
}
new_keyfile += "\n"; // just for good looks
new_keyfile += whole_keyfile; // don't forget user's old keybindings
write_file(keyfilename, new_keyfile);
new_version = 4;
}
return new_version;
}
int main(int argc, char **argv) {
string rc_filename;
set<string> style_filenames;
int i = 1;
pid_t fb_pid = 0;
FbTk::NLSInit("fluxbox.cat");
_FB_USES_NLS;
for (; i < argc; i++) {
if (strcmp(argv[i], "-rc") == 0) {
// look for alternative rc file to use
if ((++i) >= argc) {
cerr<<_FB_CONSOLETEXT(main, RCRequiresArg,
"error: '-rc' requires an argument", "the -rc option requires a file argument")<<endl;
exit(1);
}
rc_filename = argv[i];
} else if (strcmp(argv[i], "-pid") == 0) {
if ((++i) >= argc) {
// need translations for this, too
cerr<<"the -pid option requires a numeric argument"<<endl;
} else
fb_pid = atoi(argv[i]);
} else if (strcmp(argv[i], "-help") == 0 || strcmp(argv[i], "-h") == 0) {
// no NLS translations yet -- we'll just have to use English for now
cout << " -rc <string>\t\t\tuse alternate resource file.\n"
<< " -pid <int>\t\t\ttell fluxbox to reload configuration.\n"
<< " -help\t\t\t\tdisplay this help text and exit.\n\n"
<< endl;
exit(0);
}
}
if (rc_filename.empty())
rc_filename = getenv("HOME") + string("/.fluxbox/init");
FbTk::ResourceManager resource_manager(rc_filename.c_str(),false);
if (!resource_manager.load(rc_filename.c_str())) {
// couldn't load rc file
cerr<<_FB_CONSOLETEXT(Fluxbox, CantLoadRCFile, "Failed to load database", "Failed trying to read rc file")<<":"<<rc_filename<<endl;
cerr<<_FB_CONSOLETEXT(Fluxbox, CantLoadRCFileTrying, "Retrying with", "Retrying rc file loading with (the following file)")<<": "<<DEFAULT_INITFILE<<endl;
// couldn't load default rc file, either
if (!resource_manager.load(DEFAULT_INITFILE)) {
cerr<<_FB_CONSOLETEXT(Fluxbox, CantLoadRCFile, "Failed to load database", "")<<": "<<DEFAULT_INITFILE<<endl;
exit(1); // this is a fatal error for us
}
}
// run updates here
// I feel like putting this in a separate function for no apparent reason
FbTk::Resource<int> config_version(resource_manager, 0,
"session.configVersion", "Session.ConfigVersion");
int old_version = *config_version;
int new_version = run_updates(old_version, resource_manager);
if (new_version > old_version) {
// configs were updated -- let's save our changes
config_version = new_version;
resource_manager.save(rc_filename.c_str(), rc_filename.c_str());
save_all_files();
#ifdef HAVE_SIGNAL_H
// if we were given a fluxbox pid, send it a reconfigure signal
if (fb_pid > 0)
kill(fb_pid, SIGUSR2);
#endif // HAVE_SIGNAL_H
}
return 0;
}
static set<string> modified_files;
// we may want to put a size limit on this cache, so it doesn't grow too big
static map<string,string> file_cache;
// returns the contents of the file given, either from the cache or by reading
// the file from disk
string read_file(string filename) {
// check if we already have the file in memory
map<string,string>::iterator it = file_cache.find(filename);
if (it != file_cache.end())
return it->second;
// nope, we'll have to read the file
ifstream infile(filename.c_str());
string whole_file = "";
if (!infile) // failed to open file
return whole_file;
while (!infile.eof()) {
string linebuffer;
getline(infile, linebuffer);
whole_file += linebuffer + "\n";
}
infile.close();
file_cache[filename] = whole_file;
return whole_file;
}
#ifdef NOT_USED
// remove the file from the cache, writing to disk if it's been changed
void forget_file(string filename) {
map<string,string>::iterator cache_it = file_cache.find(filename);
// check if we knew about the file to begin with
if (cache_it == file_cache.end())
return;
// check if we've actually modified it
set<string>::iterator mod_it = modified_files.find(filename);
if (mod_it == modified_files.end()) {
file_cache.erase(cache_it);
return;
}
// flush our changes to disk and remove all traces
ofstream outfile(filename.c_str());
outfile << cache_it->second;
file_cache.erase(cache_it);
modified_files.erase(mod_it);
}
#endif // NOT_USED
// updates the file contents in the cache and marks the file as modified so it
// gets saved later
void write_file(string filename, string &contents) {
modified_files.insert(filename);
file_cache[filename] = contents;
}
// actually save all the files we've modified
void save_all_files() {
set<string>::iterator it = modified_files.begin();
set<string>::iterator it_end = modified_files.end();
for (; it != it_end; ++it) {
ofstream outfile(it->c_str());
outfile << file_cache[it->c_str()];
}
modified_files.clear();
}
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