]> git.lyx.org Git - lyx.git/blobdiff - src/lyx_cb.C
"Inter-word Space"
[lyx.git] / src / lyx_cb.C
index ba68ea63236e3b4dba45d610ac8aea905921d41d..56caaafc3e0d4b80239c5d921a74f7bd4fa49121 100644 (file)
@@ -21,6 +21,7 @@
 #include "lyxtext.h"
 #include "gettext.h"
 #include "BufferView.h"
+#include "Lsstream.h"
 
 #include "insets/insetlabel.h"
 
@@ -31,6 +32,7 @@
 
 #include "support/FileInfo.h"
 #include "support/filetools.h"
+#include "support/forkedcall.h"
 #include "support/path.h"
 #include "support/systemcall.h"
 #include "support/lstrings.h"
@@ -38,7 +40,7 @@
 #include <fstream>
 #include <algorithm>
 #include <utility>
-#include <iostream>
+#include <cerrno>
 
 using std::vector;
 using std::ifstream;
@@ -60,7 +62,7 @@ void ShowMessage(Buffer const * buf,
                 string const & msg2,
                 string const & msg3)
 {
-       if (lyxrc.use_gui
+       if (lyx_gui::use_gui
            && buf && buf->getUser() && buf->getUser()->owner()) {
                        string const str = msg1 + ' ' + msg2 + ' ' + msg3;
                        buf->getUser()->owner()->message(str);
@@ -73,28 +75,29 @@ void ShowMessage(Buffer const * buf,
 // Menu callbacks
 //
 
-//
-// File menu
-//
-// should be moved to lyxfunc.C
 bool MenuWrite(BufferView * bv, 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
+       if (buffer->save()) {
                lastfiles->newFile(buffer->fileName());
-       return true;
+               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(bv, 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)
 {
        string fname = buffer->fileName();
@@ -102,8 +105,7 @@ bool WriteAs(BufferView * bv, Buffer * buffer, string const & filename)
 
        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)),
@@ -114,8 +116,8 @@ bool WriteAs(BufferView * bv, Buffer * buffer, string const & filename)
                        fname += ".lyx";
 
                FileDialog::Result result =
-                       fileDlg.Select(OnlyPath(fname),
-                                      _("*.lyx|LyX Documents (*.lyx)"),
+                       fileDlg.save(OnlyPath(fname),
+                                      _("*.lyx| LyX Documents (*.lyx)"),
                                       OnlyFilename(fname));
 
                if (result.first == FileDialog::Later)
@@ -133,36 +135,15 @@ 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;
        }
 
@@ -173,55 +154,22 @@ bool WriteAs(BufferView * bv, Buffer * buffer, string const & filename)
        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;
+               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);
@@ -237,34 +185,47 @@ void QuitLyX()
        // do any other cleanup procedures now
        lyxerr[Debug::INFO] << "Deleting tmp dir " << system_tempdir << endl;
 
-       DestroyLyXTmpDir(system_tempdir);
+       if (destroyDir(system_tempdir) != 0) {
+               string msg = bformat(_("Could not remove the temporary directory %1$s"),
+                       system_tempdir);
+               Alert::warning(_("Could not remove temporary directory"), msg);
+       }
 
        lyx_gui::exit();
 }
 
 
+namespace {
 
-void AutoSave(BufferView * bv)
-       // should probably be moved into BufferList (Lgb)
-       // Perfect target for a thread...
-{
-       if (!bv->available())
-               return;
-
-       if (bv->buffer()->isBakClean() || bv->buffer()->isReadonly()) {
-               // We don't save now, but we'll try again later
-               bv->owner()->resetAutosaveTimer();
-               return;
+class AutoSaveBuffer : public ForkedProcess {
+public:
+       ///
+       AutoSaveBuffer(BufferView & bv, string const & fname)
+               : bv_(bv), fname_(fname) {}
+       ///
+       virtual ForkedProcess * clone() const {
+               return new AutoSaveBuffer(*this);
        }
+       ///
+       int start();
+private:
+       ///
+       virtual int generateChild();
+       ///
+       BufferView & bv_;
+       string fname_;
+};
+
+
+int AutoSaveBuffer::start()
+{
+       command_ = bformat(_("Auto-saving %1$s"), fname_);
+       return runNonBlocking();
+}
 
-       bv->owner()->message(_("Autosaving current document..."));
-
-       // create autosave filename
-       string fname =  bv->buffer()->filePath();
-       fname += "#";
-       fname += OnlyFilename(bv->buffer()->fileName());
-       fname += "#";
 
+int AutoSaveBuffer::generateChild()
+{
        // tmp_ret will be located (usually) in /tmp
        // will that be a problem?
        pid_t const pid = fork(); // If you want to debug the autosave
@@ -278,9 +239,9 @@ void AutoSave(BufferView * bv)
 
                string const tmp_ret = lyx::tempName(string(), "lyxauto");
                if (!tmp_ret.empty()) {
-                       bv->buffer()->writeFile(tmp_ret, 1);
+                       bv_.buffer()->writeFile(tmp_ret);
                        // assume successful write of tmp_ret
-                       if (!lyx::rename(tmp_ret, fname)) {
+                       if (!lyx::rename(tmp_ret, fname_)) {
                                failed = true;
                                // most likely couldn't move between filesystems
                                // unless write of tmp_ret failed
@@ -293,17 +254,46 @@ void AutoSave(BufferView * bv)
 
                if (failed) {
                        // failed to write/rename tmp_ret so try writing direct
-                       if (!bv->buffer()->writeFile(fname, 1)) {
+                       if (!bv_.buffer()->writeFile(fname_)) {
                                // It is dangerous to do this in the child,
                                // but safe in the parent, so...
                                if (pid == -1)
-                                       bv->owner()->message(_("Autosave failed!"));
+                                       bv_.owner()->message(_("Autosave failed!"));
                        }
                }
                if (pid == 0) { // we are the child so...
                        _exit(0);
                }
        }
+       return pid;
+}
+
+} // namespace anon
+
+
+void AutoSave(BufferView * bv)
+       // should probably be moved into BufferList (Lgb)
+       // Perfect target for a thread...
+{
+       if (!bv->available())
+               return;
+
+       if (bv->buffer()->isBakClean() || bv->buffer()->isReadonly()) {
+               // We don't save now, but we'll try again later
+               bv->owner()->resetAutosaveTimer();
+               return;
+       }
+
+       bv->owner()->message(_("Autosaving current document..."));
+
+       // create autosave filename
+       string fname = bv->buffer()->filePath();
+       fname += '#';
+       fname += OnlyFilename(bv->buffer()->fileName());
+       fname += '#';
+
+       AutoSaveBuffer autosave(*bv, fname);
+       autosave.start();
 
        bv->buffer()->markBakClean();
        bv->owner()->resetAutosaveTimer();
@@ -317,7 +307,7 @@ void AutoSave(BufferView * bv)
 // create new file with template
 // SERVERCMD !
 //
-Buffer * NewLyxFile(string const & filename)
+Buffer * NewFile(string const & filename)
 {
        // Split argument by :
        string name;
@@ -353,20 +343,16 @@ 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);
+               bv->getLyXText()->insertStringAsLines(tmpstr);
        else
-               bv->getLyXText()->insertStringAsParagraphs(bv, tmpstr);
+               bv->getLyXText()->insertStringAsParagraphs(tmpstr);
        if (flag)
-               bv->update(bv->text,
-                          BufferView::SELECT|BufferView::FITCUR|BufferView::CHANGE);
+               bv->update(BufferView::SELECT);
 }
 
 
@@ -376,10 +362,10 @@ 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.Select(bv->owner()->buffer()->filePath());
+               FileDialog::Result result = fileDlg.open(bv->owner()->buffer()->filePath());
 
                if (result.first == FileDialog::Later)
                        return string();
@@ -393,15 +379,21 @@ 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();
        }
 
@@ -426,55 +418,46 @@ string getContentsOfAsciiFile(BufferView * bv, string const & f, bool asParagrap
 }
 
 
-void MenuInsertLabel(BufferView * bv, string const & arg)
+string const getPossibleLabel(BufferView const & bv)
 {
-       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;
-               }
+       ParagraphList::iterator pit = bv.getLyXText()->cursor.par();
+       ParagraphList & plist = bv.getLyXText()->ownerParagraphs();
+
+       LyXLayout_ptr layout = pit->layout();
+
+       if (layout->latextype == LATEX_PARAGRAPH && pit != plist.begin()) {
+               ParagraphList::iterator pit2 = boost::prior(pit);
 
-               pair<bool, string> result =
-                       Alert::askForText(_("Enter new label to insert:"), text);
-               if (result.first) {
-                       label = frontStrip(strip(result.second));
+               LyXLayout_ptr const & layout2 = pit2->layout();
+
+               if (layout2->latextype != LATEX_PARAGRAPH) {
+                       pit = pit2;
+                       layout = layout2;
                }
        }
-       if (!label.empty()) {
-               InsetCommandParams p("label", label);
-               InsetLabel * inset = new InsetLabel(p);
-               bv->insertInset(inset);
+
+       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 = pit->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;
        }
-       bv->owner()->allowInput();
+
+       return text;
 }
 
 
@@ -492,7 +475,9 @@ void Reconfigure(BufferView * bv)
        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."));
 }