ede/pekwm/CmdDialog.cc

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//
// CmdDialog.cc for pekwm
// Copyright © 2004-2009 Claes Nästén <me@pekdon.net>
//
// This program is licensed under the GNU GPL.
// See the LICENSE file for more information.
//
#ifdef HAVE_CONFIG_H
#include "config.h"
#endif // HAVE_CONFIG_H
#include <iostream>
#include <list>
#include <cwctype>
extern "C" {
#include <X11/Xlib.h>
#include <X11/Xutil.h> // XLookupString
#include <X11/keysym.h>
}
#include "PWinObj.hh"
#include "PDecor.hh"
#include "CmdDialog.hh"
#include "Config.hh"
#include "PScreen.hh"
#include "PixmapHandler.hh"
#include "KeyGrabber.hh"
#include "ScreenResources.hh"
#include "Workspaces.hh"
using std::cerr;
using std::endl;
using std::list;
using std::string;
using std::wstring;
/**
* CmdDialog constructor, init and load history file.
*
* @todo Make size configurable.
*/
CmdDialog::CmdDialog(Theme *theme)
: InputDialog(theme, L"Enter command"),
_completer(L";"), _exec_count(0)
{
_type = PWinObj::WO_CMD_DIALOG;
// Setup completer
_completer.add_method(new ActionCompleterMethod());
_completer.add_method(new PathCompleterMethod());
if (Config::instance()->getCmdDialogHistoryFile().size() > 0) {
_hist_list.load(Config::instance()->getCmdDialogHistoryFile());
}
}
/**
* CmdDialog de-structor, clean up and save history file.
*/
CmdDialog::~CmdDialog(void)
{
if (Config::instance()->getCmdDialogHistoryFile().size() > 0) {
_hist_list.save(Config::instance()->getCmdDialogHistoryFile());
}
}
//! @brief Parses _buf and tries to generate an ActionEvent
//! @return Pointer to ActionEvent.
ActionEvent*
CmdDialog::exec(void)
{
// Update history
if (Config::instance()->isCmdDialogHistoryUnique()) {
_hist_list.push_back_unique(_buf);
} else {
_hist_list.push_back(_buf);
}
if (_hist_list.size() > static_cast<uint>(Config::instance()->getCmdDialogHistorySize())) {
_hist_list.pop_front();
}
// Persist changes
if (Config::instance()->getCmdDialogHistorySaveInterval() > 0
&& Config::instance()->getCmdDialogHistoryFile().size() > 0
&& ++_exec_count > Config::instance()->getCmdDialogHistorySaveInterval()) {
_hist_list.save(Config::instance()->getCmdDialogHistoryFile());
_exec_count = 0;
}
// Check if it's a valid Action, if not we assume it's a command and try
// to execute it.
string buf_mb(Util::to_mb_str(_buf));
if (! Config::instance()->parseAction(buf_mb, _ae.action_list.back(), KEYGRABBER_OK)) {
_ae.action_list.back().setAction(ACTION_EXEC);
_ae.action_list.back().setParamS(buf_mb);
}
return &_ae;
}
//! @brief Unmaps window, overloaded to clear buffer.
void
CmdDialog::unmapWindow(void)
{
if (_mapped) {
InputDialog::unmapWindow();
setWORef(0);
bufClear();
}
}
/**
* Tab completion, complete word at cursor position.
*/
void
CmdDialog::complete(void)
{
// Find completion if changed since last time.
if (_buf != _buf_on_complete_result) {
InputDialog::complete();
_complete_list = _completer.find_completions(_buf, _pos);
_complete_it = _complete_list.begin();
}
if (_complete_list.size()) {
_buf = _completer.do_complete(_buf_on_complete, _pos, _complete_list, _complete_it);
_buf_on_complete_result = _buf;
}
}
/**
* Map CmdDialog centered on wo_ref is specified, else _wo_ref.
*/
void
CmdDialog::mapCentered(const std::string &buf, bool focus, PWinObj *wo_ref)
{
if (wo_ref != 0) {
setWORef(wo_ref);
}
InputDialog::mapCentered(buf, focus, wo_ref);
}