]> git.lyx.org Git - lyx.git/blobdiff - src/lyx_cb.C
... and sanitize the simplified code...
[lyx.git] / src / lyx_cb.C
index 3e41b36bfff59ed31c1f449a069fef4b04b0e495..213ff3967687d8eb375f36ec1a2f8c5236375742 100644 (file)
-/* This file is part of
- * ======================================================
+/**
+ * \file lyx_cb.C
+ * This file is part of LyX, the document processor.
+ * Licence details can be found in the file COPYING.
  *
- *           LyX, The Document Processor
+ * \author Lars Gullik Bjønnes
+ * \author Angus Leeming
+ * \author John Levon
+ * \author André Pönitz
+ * \author Jürgen Vigna
  *
- *         Copyright 1995 Matthias Ettrich,
- *          Copyright 1995-2001 The LyX Team.
- *
- * ====================================================== */
+ * Full author contact details are available in file CREDITS.
+ */
 
 #include <config.h>
 
 #include "lyx_cb.h"
-#include "lyx_main.h"
+
 #include "buffer.h"
 #include "bufferlist.h"
-#include "bufferview_funcs.h"
+#include "BufferView.h"
+#include "cursor.h"
 #include "debug.h"
+#include "gettext.h"
 #include "lastfiles.h"
+#include "lyx_main.h"
+#include "lyxlayout.h"
 #include "lyxrc.h"
 #include "lyxtext.h"
-#include "gettext.h"
-#include "BufferView.h"
-
-#include "insets/insetlabel.h"
+#include "paragraph.h"
 
-#include "frontends/lyx_gui.h"
-#include "frontends/LyXView.h"
 #include "frontends/Alert.h"
 #include "frontends/FileDialog.h"
+#include "frontends/lyx_gui.h"
+#include "frontends/LyXView.h"
 
 #include "support/FileInfo.h"
 #include "support/filetools.h"
 #include "support/forkedcall.h"
+#include "support/globbing.h"
+#include "support/lyxlib.h"
+#include "support/os.h"
 #include "support/path.h"
+#include "support/path_defines.h"
 #include "support/systemcall.h"
-#include "support/lstrings.h"
 
+#include <boost/shared_ptr.hpp>
+
+#include <cerrno>
 #include <fstream>
-#include <algorithm>
-#include <utility>
-#include <iostream>
 
-using std::vector;
-using std::ifstream;
+using lyx::support::AddName;
+using lyx::support::bformat;
+using lyx::support::destroyDir;
+using lyx::support::FileFilterList;
+using lyx::support::FileInfo;
+using lyx::support::ForkedProcess;
+using lyx::support::IsLyXFilename;
+using lyx::support::LibFileSearch;
+using lyx::support::MakeAbsPath;
+using lyx::support::MakeDisplayPath;
+using lyx::support::OnlyFilename;
+using lyx::support::OnlyPath;
+using lyx::support::Path;
+using lyx::support::removeAutosaveFile;
+using lyx::support::rename;
+using lyx::support::split;
+using lyx::support::system_lyxdir;
+using lyx::support::Systemcall;
+using lyx::support::tempName;
+using lyx::support::unlink;
+using lyx::support::user_lyxdir;
+
+namespace os = lyx::support::os;
+
+using boost::shared_ptr;
+
+using std::back_inserter;
 using std::copy;
 using std::endl;
+using std::make_pair;
+using std::string;
+using std::ifstream;
 using std::ios;
-using std::back_inserter;
 using std::istream_iterator;
-using std::pair;
-using std::make_pair;
+
 
 extern BufferList bufferlist;
 // this should be static, but I need it in buffer.C
 bool quitting; // flag, that we are quitting the program
 
 
-void ShowMessage(Buffer const * buf,
-                string const & msg1,
-                string const & msg2,
-                string const & msg3)
-{
-       if (lyxrc.use_gui
-           && buf && buf->getUser() && buf->getUser()->owner()) {
-                       string const str = msg1 + ' ' + msg2 + ' ' + msg3;
-                       buf->getUser()->owner()->message(str);
-       } else
-               lyxerr << msg1 << msg2 << msg3 << endl;
-}
-
-
 //
 // Menu callbacks
 //
 
-//
-// File menu
-//
-// should be moved to lyxfunc.C
-bool MenuWrite(BufferView * bv, Buffer * buffer)
+bool MenuWrite(Buffer * buffer)
 {
-       if (!buffer->save()) {
-               if (Alert::askQuestion(_("Save failed. Rename and try again?"),
-                               MakeDisplayPath(buffer->fileName(), 50),
-                               _("(If not, document is not saved.)"))) {
-                       return WriteAs(bv, buffer);
-               }
-               return false;
-       } else
-               lastfiles->newFile(buffer->fileName());
-       return true;
+       if (buffer->save()) {
+               LyX::ref().lastfiles().newFile(buffer->fileName());
+               return true;
+       }
+
+       // FIXME: we don't tell the user *WHY* the save failed !!
+
+       string const file = MakeDisplayPath(buffer->fileName(), 30);
+
+       string text = bformat(_("The document %1$s could not be saved.\n\n"
+               "Do you want to rename the document and try again?"), file);
+       int const ret = Alert::prompt(_("Rename and save?"),
+               text, 0, 1, _("&Rename"), _("&Cancel"));
+
+       if (ret == 0)
+               return WriteAs(buffer);
+       return false;
 }
 
 
 
-// should be moved to BufferView.C
-// Half of this func should be in LyXView, the rest in BufferView.
-bool WriteAs(BufferView * bv, Buffer * buffer, string const & filename)
+bool WriteAs(Buffer * buffer, string const & filename)
 {
        string fname = buffer->fileName();
        string const oldname = fname;
 
        if (filename.empty()) {
 
-               FileDialog fileDlg(bv->owner(),
-                                  _("Choose a filename to save document as"),
+               FileDialog fileDlg(_("Choose a filename to save document as"),
                        LFUN_WRITEAS,
                        make_pair(string(_("Documents|#o#O")),
                                  string(lyxrc.document_path)),
@@ -114,10 +134,12 @@ bool WriteAs(BufferView * bv, Buffer * buffer, string const & filename)
                if (!IsLyXFilename(fname))
                        fname += ".lyx";
 
+               FileFilterList const filter (_("LyX Documents (*.lyx)"));
+
                FileDialog::Result result =
                        fileDlg.save(OnlyPath(fname),
-                                      _("*.lyx|LyX Documents (*.lyx)"),
-                                      OnlyFilename(fname));
+                                    filter,
+                                    OnlyFilename(fname));
 
                if (result.first == FileDialog::Later)
                        return false;
@@ -134,36 +156,15 @@ bool WriteAs(BufferView * bv, Buffer * buffer, string const & filename)
        } else
                fname = filename;
 
-       // Same name as we have already?
-       if (!buffer->isUnnamed() && fname == oldname) {
-               if (!Alert::askQuestion(_("Same name as document already has:"),
-                                MakeDisplayPath(fname, 50),
-                                _("Save anyway?")))
-                       return false;
-               // Falls through to name change and save
-       }
-       // No, but do we have another file with this name open?
-       else if (!buffer->isUnnamed() && bufferlist.exists(fname)) {
-               if (Alert::askQuestion(_("Another document with same name open!"),
-                               MakeDisplayPath(fname, 50),
-                               _("Replace with current document?")))
-                       {
-                               bufferlist.close(bufferlist.getBuffer(fname));
-
-                               // Ok, change the name of the buffer, but don't save!
-                               buffer->setFileName(fname);
-                               buffer->markDirty();
-
-                               ShowMessage(buffer, _("Document renamed to '"),
-                                               MakeDisplayPath(fname), _("', but not saved..."));
-               }
-               return false;
-       } // Check whether the file exists
-       else {
-               FileInfo const myfile(fname);
-               if (myfile.isOK() && !Alert::askQuestion(_("Document already exists:"),
-                                                 MakeDisplayPath(fname, 50),
-                                                 _("Replace file?")))
+       FileInfo const myfile(fname);
+       if (myfile.isOK()) {
+               string const file = MakeDisplayPath(fname, 30);
+               string text = bformat(_("The document %1$s already exists.\n\n"
+                       "Do you want to over-write that document?"), file);
+               int const ret = Alert::prompt(_("Over-write document?"),
+                       text, 0, 1, _("&Over-write"), _("&Cancel"));
+
+               if (ret == 1)
                        return false;
        }
 
@@ -173,59 +174,26 @@ bool WriteAs(BufferView * bv, Buffer * buffer, string const & filename)
        bool unnamed = buffer->isUnnamed();
        buffer->setUnnamed(false);
 
-       if (!MenuWrite(bv, buffer)) {
-           buffer->setFileName(oldname);
-           buffer->setUnnamed(unnamed);
-           ShowMessage(buffer, _("Document could not be saved!"),
-                       _("Holding the old name."), MakeDisplayPath(oldname));
-           return false;
+       if (!MenuWrite(buffer)) {
+               buffer->setFileName(oldname);
+               buffer->setUnnamed(unnamed);
+               return false;
        }
-       // now remove the oldname autosave file if existant!
+
        removeAutosaveFile(oldname);
        return true;
 }
 
 
-int MenuRunChktex(Buffer * buffer)
-{
-       int ret;
-
-       if (buffer->isSGML()) {
-               Alert::alert(_("Chktex does not work with SGML derived documents."));
-               return 0;
-       } else
-               ret = buffer->runChktex();
-
-       if (ret >= 0) {
-               string s;
-               string t;
-               if (ret == 0) {
-                       s = _("No warnings found.");
-               } else if (ret == 1) {
-                       s = _("One warning found.");
-                       t = _("Use `Navigate->Error' to find it.");
-               } else {
-                       s += tostr(ret);
-                       s += _(" warnings found.");
-                       t = _("Use `Navigate->Error' to find them.");
-               }
-               Alert::alert(_("Chktex run successfully"), s, t);
-       } else {
-               Alert::alert(_("Error!"), _("It seems chktex does not work."));
-       }
-       return ret;
-}
-
-
 void QuitLyX()
 {
        lyxerr[Debug::INFO] << "Running QuitLyX." << endl;
 
-       if (lyxrc.use_gui) {
-               if (!bufferlist.qwriteAll())
+       if (lyx_gui::use_gui) {
+               if (!bufferlist.quitWriteAll())
                        return;
 
-               lastfiles->writeFile(lyxrc.lastfiles);
+               LyX::cref().lastfiles().writeFile(lyxrc.lastfiles);
        }
 
        // Set a flag that we do quitting from the program,
@@ -236,9 +204,13 @@ void QuitLyX()
        bufferlist.closeAll();
 
        // do any other cleanup procedures now
-       lyxerr[Debug::INFO] << "Deleting tmp dir " << system_tempdir << endl;
+       lyxerr[Debug::INFO] << "Deleting tmp dir " << os::getTmpDir() << endl;
 
-       DestroyLyXTmpDir(system_tempdir);
+       if (destroyDir(os::getTmpDir()) != 0) {
+               string msg = bformat(_("Could not remove the temporary directory %1$s"),
+                       os::getTmpDir());
+               Alert::warning(_("Could not remove temporary directory"), msg);
+       }
 
        lyx_gui::exit();
 }
@@ -252,8 +224,9 @@ public:
        AutoSaveBuffer(BufferView & bv, string const & fname)
                : bv_(bv), fname_(fname) {}
        ///
-       virtual ForkedProcess * clone() const {
-               return new AutoSaveBuffer(*this);
+       virtual shared_ptr<ForkedProcess> clone() const
+       {
+               return shared_ptr<ForkedProcess>(new AutoSaveBuffer(*this));
        }
        ///
        int start();
@@ -268,9 +241,8 @@ private:
 
 int AutoSaveBuffer::start()
 {
-       command_ = _("Auto-saving $$f");
-       command_ = subst(command_, "$$f", fname_);
-       return runNonBlocking();
+       command_ = bformat(_("Auto-saving %1$s"), fname_);
+       return run(DontWait);
 }
 
 
@@ -287,16 +259,16 @@ int AutoSaveBuffer::generateChild()
                // anyway.
                bool failed = false;
 
-               string const tmp_ret = lyx::tempName(string(), "lyxauto");
+               string const tmp_ret = tempName(string(), "lyxauto");
                if (!tmp_ret.empty()) {
                        bv_.buffer()->writeFile(tmp_ret);
                        // assume successful write of tmp_ret
-                       if (!lyx::rename(tmp_ret, fname_)) {
+                       if (!rename(tmp_ret, fname_)) {
                                failed = true;
                                // most likely couldn't move between filesystems
                                // unless write of tmp_ret failed
                                // so remove tmp file (if it exists)
-                               lyx::unlink(tmp_ret);
+                               unlink(tmp_ret);
                        }
                } else {
                        failed = true;
@@ -317,7 +289,7 @@ int AutoSaveBuffer::generateChild()
        }
        return pid;
 }
+
 } // namespace anon
 
 
@@ -338,13 +310,13 @@ void AutoSave(BufferView * bv)
 
        // create autosave filename
        string fname = bv->buffer()->filePath();
-       fname += "#";
+       fname += '#';
        fname += OnlyFilename(bv->buffer()->fileName());
-       fname += "#";
+       fname += '#';
 
        AutoSaveBuffer autosave(*bv, fname);
        autosave.start();
-       
+
        bv->buffer()->markBakClean();
        bv->owner()->resetAutosaveTimer();
 }
@@ -357,7 +329,7 @@ void AutoSave(BufferView * bv)
 // create new file with template
 // SERVERCMD !
 //
-Buffer * NewFile(string const & filename)
+void NewFile(BufferView * bv, string const & filename)
 {
        // Split argument by :
        string name;
@@ -375,11 +347,7 @@ Buffer * NewFile(string const & filename)
                            << "\nName is " << name
                            << "\nTemplate is " << tmpname << endl;
 
-       // find a free buffer
-       Buffer * tmpbuf = bufferlist.newFile(name, tmpname);
-       if (tmpbuf)
-               lastfiles->newFile(tmpbuf->fileName());
-       return tmpbuf;
+       bv->newFile(name, tmpname);
 }
 
 
@@ -393,20 +361,14 @@ void InsertAsciiFile(BufferView * bv, string const & f, bool asParagraph)
        if (tmpstr.empty())
                return;
 
-       // insert the string
-       bv->hideCursor();
-
        // clear the selection
-       bool flag = (bv->text == bv->getLyXText());
-       if (flag)
-               bv->beforeChange(bv->text);
-       if (!asParagraph)
-               bv->getLyXText()->insertStringAsLines(bv, tmpstr);
+       if (bv->text() == bv->getLyXText())
+               bv->cursor().clearSelection();
+       if (asParagraph)
+               bv->getLyXText()->insertStringAsParagraphs(bv->cursor(), tmpstr);
        else
-               bv->getLyXText()->insertStringAsParagraphs(bv, tmpstr);
-       if (flag)
-               bv->update(bv->text,
-                          BufferView::SELECT|BufferView::FITCUR|BufferView::CHANGE);
+               bv->getLyXText()->insertStringAsLines(bv->cursor(), tmpstr);
+       bv->update();
 }
 
 
@@ -416,10 +378,12 @@ string getContentsOfAsciiFile(BufferView * bv, string const & f, bool asParagrap
        string fname = f;
 
        if (fname.empty()) {
-               FileDialog fileDlg(bv->owner(), _("Select file to insert"),
+               FileDialog fileDlg(_("Select file to insert"),
                        (asParagraph) ? LFUN_FILE_INSERT_ASCII_PARA : LFUN_FILE_INSERT_ASCII);
 
-               FileDialog::Result result = fileDlg.open(bv->owner()->buffer()->filePath());
+               FileDialog::Result result =
+                       fileDlg.open(bv->owner()->buffer()->filePath(),
+                                    FileFilterList(), string());
 
                if (result.first == FileDialog::Later)
                        return string();
@@ -433,15 +397,21 @@ string getContentsOfAsciiFile(BufferView * bv, string const & f, bool asParagrap
        FileInfo fi(fname);
 
        if (!fi.readable()) {
-               Alert::err_alert(_("Error! Specified file is unreadable: "),
-                            MakeDisplayPath(fname, 50));
+               string const error = strerror(errno);
+               string const file = MakeDisplayPath(fname, 50);
+               string const text = bformat(_("Could not read the specified document\n"
+                       "%1$s\ndue to the error: %2$s"), file, error);
+               Alert::error(_("Could not read file"), text);
                return string();
        }
 
        ifstream ifs(fname.c_str());
        if (!ifs) {
-               Alert::err_alert(_("Error! Cannot open specified file: "),
-                            MakeDisplayPath(fname, 50));
+               string const error = strerror(errno);
+               string const file = MakeDisplayPath(fname, 50);
+               string const text = bformat(_("Could not open the specified document\n"
+                       "%1$s\ndue to the error: %2$s"), file, error);
+               Alert::error(_("Could not open file"), text);
                return string();
        }
 
@@ -450,7 +420,7 @@ string getContentsOfAsciiFile(BufferView * bv, string const & f, bool asParagrap
        istream_iterator<char> end;
 #if !defined(USE_INCLUDED_STRING) && !defined(STD_STRING_IS_GOOD)
        // We use this until the compilers get better...
-       vector<char> tmp;
+       std::vector<char> tmp;
        copy(ii, end, back_inserter(tmp));
        string const tmpstr(tmp.begin(), tmp.end());
 #else
@@ -466,58 +436,6 @@ string getContentsOfAsciiFile(BufferView * bv, string const & f, bool asParagrap
 }
 
 
-void MenuInsertLabel(BufferView * bv, string const & arg)
-{
-       string label = arg;
-       bv->owner()->prohibitInput();
-       if (label.empty()) {
-               Paragraph * par = bv->getLyXText()->cursor.par();
-               LyXLayout_ptr layout = par->layout();
-               if (layout->latextype == LATEX_PARAGRAPH && par->previous()) {
-                       Paragraph * par2 = par->previous();
-
-                       LyXLayout_ptr const & layout2 = par2->layout();
-
-                       if (layout2->latextype != LATEX_PARAGRAPH) {
-                               par = par2;
-                               layout = layout2;
-                       }
-               }
-               string text = layout->latexname().substr(0, 3);
-               if (layout->latexname() == "theorem")
-                       text = "thm"; // Create a correct prefix for prettyref
-
-               text += ":";
-               if (layout->latextype == LATEX_PARAGRAPH ||
-                   lyxrc.label_init_length < 0)
-                       text.erase();
-               string par_text = par->asString(bv->buffer(), false);
-               for (int i = 0; i < lyxrc.label_init_length; ++i) {
-                       if (par_text.empty())
-                               break;
-                       string head;
-                       par_text = split(par_text, head, ' ');
-                       if (i > 0)
-                               text += '-'; // Is it legal to use spaces in
-                                            // labels ?
-                       text += head;
-               }
-
-               pair<bool, string> result =
-                       Alert::askForText(_("Enter new label to insert:"), text);
-               if (result.first) {
-                       label = trim(result.second);
-               }
-       }
-       if (!label.empty()) {
-               InsetCommandParams p("label", label);
-               InsetLabel * inset = new InsetLabel(p);
-               bv->insertInset(inset);
-       }
-       bv->owner()->allowInput();
-}
-
-
 // This function runs "configure" and then rereads lyx.defaults to
 // reconfigure the automatic settings.
 void Reconfigure(BufferView * bv)
@@ -525,14 +443,16 @@ void Reconfigure(BufferView * bv)
        bv->owner()->message(_("Running configure..."));
 
        // Run configure in user lyx directory
-       Path p(user_lyxdir);
+       Path p(user_lyxdir());
        Systemcall one;
        one.startscript(Systemcall::Wait,
-                       AddName(system_lyxdir, "configure"));
+                       AddName(system_lyxdir(), "configure"));
        p.pop();
        bv->owner()->message(_("Reloading configuration..."));
        lyxrc.read(LibFileSearch(string(), "lyxrc.defaults"));
-       Alert::alert(_("The system has been reconfigured."),
-                  _("You need to restart LyX to make use of any"),
-                  _("updated document class specifications."));
+
+       Alert::information(_("System reconfigured"),
+               _("The system has been reconfigured.\n"
+               "You need to restart LyX to make use of any \n"
+               "updated document class specifications."));
 }