lyx_mirror/src/MenuBackend.C

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/* This file is part of
* ======================================================
*
* LyX, The Document Processor
*
* Copyright 1995 Matthias Ettrich
* Copyright 1995-2001 The LyX Team.
*
*
* ====================================================== */
#include <config.h>
#ifdef __GNUG__
#pragma implementation
#endif
#include <algorithm>
#include "MenuBackend.h"
#include "lyxlex.h"
#include "LyXAction.h"
#include "debug.h"
#include "gettext.h"
#include "lastfiles.h"
#include "bufferlist.h"
#include "converter.h"
#include "exporter.h"
#include "importer.h"
#include "FloatList.h"
#include "support/LAssert.h"
#include "support/filetools.h"
#include "support/lyxfunctional.h"
#include "support/lstrings.h"
extern LyXAction lyxaction;
extern LastFiles * lastfiles;
extern BufferList bufferlist;
using std::endl;
using std::vector;
using std::pair;
using std::find_if;
using std::sort;
// This is the global menu definition
MenuBackend menubackend;
MenuItem::MenuItem(Kind kind, string const & label,
string const & command, bool optional)
: kind_(kind), label_(label), optional_(optional)
{
switch (kind) {
case Separator:
case Documents:
case Lastfiles:
case Toc:
case ViewFormats:
case UpdateFormats:
case ExportFormats:
case ImportFormats:
case FloatListInsert:
case FloatInsert:
break;
case Command:
action_ = lyxaction.LookupFunc(command);
if (action_ == LFUN_UNKNOWN_ACTION) {
lyxerr << "MenuItem(): LyX command `"
<< command << "' does not exist." << endl;
}
if (optional_)
lyxerr[Debug::GUI] << "Optional item "
<< command << endl;
break;
case Submenu:
submenu_ = command;
break;
}
}
string const MenuItem::label() const
{
return token(label_, '|', 0);
}
string const MenuItem::shortcut() const
{
return token(label_, '|', 1);
}
Menu & Menu::add(MenuItem const & i)
{
items_.push_back(i);
return *this;
}
Menu & Menu::read(LyXLex & lex)
{
enum Menutags {
md_item = 1,
md_documents,
md_endmenu,
md_exportformats,
md_importformats,
md_lastfiles,
md_optitem,
md_separator,
md_submenu,
md_toc,
md_updateformats,
md_viewformats,
md_floatlistinsert,
md_floatinsert,
md_last
};
struct keyword_item menutags[md_last - 1] = {
{ "documents", md_documents },
{ "end", md_endmenu },
{ "exportformats", md_exportformats },
{ "floatinsert", md_floatinsert },
{ "floatlistinsert", md_floatlistinsert },
{ "importformats", md_importformats },
{ "item", md_item },
{ "lastfiles", md_lastfiles },
{ "optitem", md_optitem },
{ "separator", md_separator },
{ "submenu", md_submenu },
{ "toc", md_toc },
{ "updateformats", md_updateformats },
{ "viewformats", md_viewformats }
};
lex.pushTable(menutags, md_last - 1);
if (lyxerr.debugging(Debug::PARSER))
lex.printTable(lyxerr);
bool quit = false;
bool optional = false;
while (lex.isOK() && !quit) {
switch (lex.lex()) {
case md_optitem:
optional = true;
// fallback to md_item
case md_item: {
lex.next(true);
string const name = _(lex.getString());
lex.next(true);
string const command = lex.getString();
add(MenuItem(MenuItem::Command, name,
command, optional));
optional = false;
break;
}
case md_separator:
add(MenuItem(MenuItem::Separator));
break;
case md_lastfiles:
add(MenuItem(MenuItem::Lastfiles));
break;
case md_documents:
add(MenuItem(MenuItem::Documents));
break;
case md_toc:
add(MenuItem(MenuItem::Toc));
break;
case md_viewformats:
add(MenuItem(MenuItem::ViewFormats));
break;
case md_updateformats:
add(MenuItem(MenuItem::UpdateFormats));
break;
case md_exportformats:
add(MenuItem(MenuItem::ExportFormats));
break;
case md_importformats:
add(MenuItem(MenuItem::ImportFormats));
break;
case md_floatlistinsert:
add(MenuItem(MenuItem::FloatListInsert));
break;
case md_floatinsert:
add(MenuItem(MenuItem::FloatInsert));
break;
case md_submenu: {
lex.next(true);
string const mlabel = _(lex.getString());
lex.next(true);
string const mname = lex.getString();
add(MenuItem(MenuItem::Submenu, mlabel, mname));
break;
}
case md_endmenu:
quit = true;
break;
default:
lex.printError("menubar::read: "
"Unknown menu tag: `$$Token'");
break;
}
}
lex.popTable();
return *this;
}
void Menu::checkShortcuts() const
{
// This is a quadratic algorithm, but we do not care because
// it is used for debugging only.
for (const_iterator it1 = begin(); it1 != end(); ++it1) {
string shortcut = it1->shortcut();
if (shortcut.empty())
continue;
if (!contains(it1->label(), shortcut))
lyxerr << "Menu warning: menu entry \""
<< it1->label()
<< "\" does not contain shortcut `"
<< shortcut << '\'' << endl;
for (const_iterator it2 = begin(); it2 != it1 ; ++it2) {
if (!compare_no_case(it2->shortcut(), shortcut)) {
lyxerr << "Menu warning: menu entries "
<< '"' << it1->fulllabel()
<< "\" and \"" << it2->fulllabel()
<< "\" share the same shortcut."
<< endl;
}
}
}
}
namespace {
class compare_format {
public:
bool operator()(Format const * p1, Format const * p2) {
return *p1 < *p2;
}
};
} // namespace anon
void Menu::expand(Menu & tomenu, Buffer * buf) const
{
for (const_iterator cit = begin();
cit != end() ; ++cit) {
switch (cit->kind()) {
case MenuItem::Lastfiles: {
int ii = 1;
LastFiles::const_iterator lfit = lastfiles->begin();
LastFiles::const_iterator end = lastfiles->end();
for (; lfit != end && ii < 10; ++lfit, ++ii) {
string const label = tostr(ii) + ". "
+ MakeDisplayPath((*lfit), 30)
+ '|' + tostr(ii);
int const action = lyxaction.
getPseudoAction(LFUN_FILE_OPEN,
(*lfit));
tomenu.add(MenuItem(MenuItem::Command,
label, action));
}
}
break;
case MenuItem::Documents: {
typedef vector<string> Strings;
Strings const names = bufferlist.getFileNames();
if (names.empty()) {
tomenu.add(MenuItem(MenuItem::Command,
_("No Documents Open!"),
LFUN_NOACTION));
break;
}
Strings::const_iterator docit = names.begin();
Strings::const_iterator end = names.end();
for (; docit != end ; ++docit) {
int const action = lyxaction
.getPseudoAction(LFUN_SWITCHBUFFER,
*docit);
string const label =
MakeDisplayPath(*docit, 30);
tomenu.add(MenuItem(MenuItem::Command,
label, action));
}
}
break;
case MenuItem::ImportFormats:
case MenuItem::ViewFormats:
case MenuItem::UpdateFormats:
case MenuItem::ExportFormats: {
typedef vector<Format const *> Formats;
Formats formats;
kb_action action;
switch (cit->kind()) {
case MenuItem::ImportFormats:
formats = Importer::GetImportableFormats();
action = LFUN_IMPORT;
break;
case MenuItem::ViewFormats:
formats = Exporter::GetExportableFormats(buf, true);
action = LFUN_PREVIEW;
break;
case MenuItem::UpdateFormats:
formats = Exporter::GetExportableFormats(buf, true);
action = LFUN_UPDATE;
break;
default:
formats = Exporter::GetExportableFormats(buf, false);
action = LFUN_EXPORT;
}
sort(formats.begin(), formats.end(), compare_format());
Formats::const_iterator fit = formats.begin();
Formats::const_iterator end = formats.end();
for (; fit != end ; ++fit) {
if ((*fit)->dummy())
continue;
string label = (*fit)->prettyname();
if (cit->kind() == MenuItem::ImportFormats)
if ((*fit)->name() == "text")
label = _("Ascii text as lines");
else if ((*fit)->name() == "textparagraph")
label = _("Ascii text as paragraphs");
if (!(*fit)->shortcut().empty())
label += "|" + (*fit)->shortcut();
int const action2 = lyxaction.
getPseudoAction(action,
(*fit)->name());
tomenu.add(MenuItem(MenuItem::Command,
label, action2));
}
}
break;
case MenuItem::FloatListInsert:
{
FloatList::const_iterator cit = floatList.begin();
FloatList::const_iterator end = floatList.end();
for (; cit != end; ++cit) {
int const action = lyxaction
.getPseudoAction(LFUN_FLOAT_LIST,
cit->second.type());
string label = _("List of ");
label += cit->second.name();
tomenu.add(MenuItem(MenuItem::Command,
label, action));
}
}
break;
case MenuItem::FloatInsert:
{
FloatList::const_iterator cit = floatList.begin();
FloatList::const_iterator end = floatList.end();
for (; cit != end; ++cit) {
// normal float
int const action = lyxaction
.getPseudoAction(LFUN_INSET_FLOAT,
cit->second.type());
string const label = cit->second.name();
tomenu.add(MenuItem(MenuItem::Command,
label, action));
// and the wide version
int const action2 = lyxaction
.getPseudoAction(LFUN_INSET_WIDE_FLOAT,
cit->second.type());
string const label2 = _("Wide ") + label;
tomenu.add(MenuItem(MenuItem::Command,
label2, action2));
}
}
break;
default:
tomenu.add(*cit);
}
}
// Check whether the shortcuts are unique
if (lyxerr.debugging(Debug::GUI))
checkShortcuts();
}
bool Menu::hasSubmenu(string const & name) const
{
return find_if(begin(), end(),
lyx::compare_memfun(&MenuItem::submenu, name)) != end();
}
void MenuBackend::read(LyXLex & lex)
{
enum Menutags {
md_menu = 1,
md_menubar,
md_endmenuset,
md_last
};
struct keyword_item menutags[md_last - 1] = {
{ "end", md_endmenuset },
{ "menu", md_menu },
{ "menubar", md_menubar }
};
//consistency check
if (compare_no_case(lex.getString(), "menuset")) {
lyxerr << "Menubackend::read: ERROR wrong token:`"
<< lex.getString() << '\'' << endl;
}
lex.pushTable(menutags, md_last - 1);
if (lyxerr.debugging(Debug::PARSER))
lex.printTable(lyxerr);
bool quit = false;
bool menubar = false;
while (lex.isOK() && !quit) {
switch (lex.lex()) {
case md_menubar:
menubar = true;
// fallback to md_menu
case md_menu: {
lex.next(true);
string const name = lex.getString();
if (hasMenu(name)) {
if (getMenu(name).menubar() == menubar) {
getMenu(name).read(lex);
} else {
lex.printError("Cannot append to menu `$$Token' unless it is of the same type");
return;
}
} else {
Menu menu(name, menubar);
menu.read(lex);
add(menu);
}
menubar = false;
break;
}
case md_endmenuset:
quit = true;
break;
default:
lex.printError("menubackend::read: "
"Unknown menu tag: `$$Token'");
break;
}
}
lex.popTable();
}
void MenuBackend::defaults()
{
menulist_.clear();
lyxerr[Debug::GUI] << "MenuBackend::defaults: using default values"
<< endl;
Menu file("file");
file
.add(MenuItem(MenuItem::Command, _("New...|N"), "buffer-new"))
.add(MenuItem(MenuItem::Command, _("Open...|O"), "buffer-open"))
.add(MenuItem(MenuItem::Submenu, _("Import|I"), "import"))
.add(MenuItem(MenuItem::Command, _("Quit|Q"), "lyx-quit"))
.add(MenuItem(MenuItem::Separator))
.add(MenuItem(MenuItem::Lastfiles));
add(file);
Menu import("import");
import
.add(MenuItem(MenuItem::Command,
_("LaTeX...|L"), "buffer-import latex"))
.add(MenuItem(MenuItem::Command,
_("LinuxDoc...|L"), "buffer-import linuxdoc"));
add(import);
Menu edit("edit");
edit
.add(MenuItem(MenuItem::Command, _("Cut"), "cut"))
.add(MenuItem(MenuItem::Command, _("Copy"), "copy"))
.add(MenuItem(MenuItem::Command, _("Paste"), "paste"))
.add(MenuItem(MenuItem::Command, _("Emphasize"), "font-emph"));
add(edit);
Menu documents("documents");
documents.add(MenuItem(MenuItem::Documents));
add(documents);
Menu main("main", true);
main
.add(MenuItem(MenuItem::Submenu, _("File|F"), "file"))
.add(MenuItem(MenuItem::Submenu, _("Edit|E"), "edit"))
.add(MenuItem(MenuItem::Submenu,
_("Documents|D"), "documents"));
add(main);
Menu main_nobuffer("main_nobuffer", true);
main_nobuffer.add(MenuItem(MenuItem::Submenu, _("File|F"), "file"));
add(main_nobuffer);
if (lyxerr.debugging(Debug::GUI)) {
for (const_iterator cit = begin();
cit != end() ; ++cit)
lyxerr << "Menu name: " << cit->name()
<< ", Menubar: " << cit->menubar()
<< endl;
}
}
void MenuBackend::add(Menu const & menu)
{
menulist_.push_back(menu);
}
bool MenuBackend::hasMenu(string const & name) const
{
return find_if(begin(), end(),
lyx::compare_memfun(&Menu::name, name)) != end();
}
Menu const & MenuBackend::getMenu(string const & name) const
{
const_iterator cit = find_if(begin(), end(),
lyx::compare_memfun(&Menu::name, name));
lyx::Assert(cit != end());
return (*cit);
}
Menu & MenuBackend::getMenu(string const & name)
{
MenuList::iterator it =
find_if(menulist_.begin(), menulist_.end(),
lyx::compare_memfun(&Menu::name, name));
lyx::Assert(it != menulist_.end());
return (*it);
}