]> git.lyx.org Git - lyx.git/blobdiff - src/callback.cpp
Update of documentation in the source related to bug 4135 and the function callback...
[lyx.git] / src / callback.cpp
index 5253bf547a07fe8102877d5e70061ea1686e2494..7cda91a367ae74e0a04ef1308d7faa41f81046fc 100644 (file)
@@ -30,7 +30,6 @@
 #include "Layout.h"
 #include "LyXRC.h"
 #include "Text.h"
-#include "Paragraph.h"
 #include "Undo.h"
 
 #include "frontends/alert.h"
 #include <cerrno>
 #include <fstream>
 
+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::istream_iterator;
+
+using boost::shared_ptr;
+
 
 namespace lyx {
 
@@ -78,21 +88,9 @@ using support::Systemcall;
 using support::tempName;
 using support::unlink;
 
-using boost::shared_ptr;
-
 namespace Alert = frontend::Alert;
 namespace fs = boost::filesystem;
 
-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::istream_iterator;
-
-
 // this should be static, but I need it in Buffer.cpp
 bool quitting; // flag, that we are quitting the program
 
@@ -112,7 +110,8 @@ bool menuWrite(Buffer * buffer)
        docstring const file = makeDisplayPath(buffer->fileName(), 30);
 
        docstring text = bformat(_("The document %1$s could not be saved.\n\n"
-                                            "Do you want to rename the document and try again?"), file);
+                                  "Do you want to rename the document and "
+                                  "try again?"), file);
        int const ret = Alert::prompt(_("Rename and save?"),
                text, 0, 1, _("&Rename"), _("&Cancel"));
 
@@ -123,18 +122,34 @@ bool menuWrite(Buffer * buffer)
 
 
 
+/** Write a buffer to a new file name and rename the buffer
+    according to the new file name.
+
+    This function is e.g. used by menu callbacks and
+    LFUN_BUFFER_WRITE_AS.
+
+    If 'newname' is empty (the default), the user is asked via a
+    dialog for the buffer's new name and location.
+
+    If 'newname' is non-empty and has an absolute path, that is used.
+    Otherwise the base directory of the buffer is used as the base
+    for any relative path in 'newname'.
+*/
+
 bool writeAs(Buffer * buffer, string const & newname)
 {
        string fname = buffer->fileName();
        string const oldname = fname;
 
-       if (newname.empty()) {
+       if (newname.empty()) {  /// No argument? Ask user through dialog
 
                // FIXME UNICODE
                FileDialog fileDlg(_("Choose a filename to save document as"),
-                       LFUN_BUFFER_WRITE_AS,
-                       make_pair(_("Documents|#o#O"), from_utf8(lyxrc.document_path)),
-                       make_pair(_("Templates|#T#t"), from_utf8(lyxrc.template_path)));
+                                  LFUN_BUFFER_WRITE_AS,
+                                  make_pair(_("Documents|#o#O"), 
+                                            from_utf8(lyxrc.document_path)),
+                                  make_pair(_("Templates|#T#t"), 
+                                            from_utf8(lyxrc.template_path)));
 
                if (!isLyXFilename(fname))
                        fname += ".lyx";
@@ -158,14 +173,16 @@ bool writeAs(Buffer * buffer, string const & newname)
                fname = makeAbsPath(fname).absFilename();
                if (!isLyXFilename(fname))
                        fname += ".lyx";
-       } else
-               fname = newname;
 
-       FileName const filename(fname);
-       if (fs::exists(filename.toFilesystemEncoding())) {
+       } else 
+               fname = makeAbsPath(newname, onlyPath(oldname)).absFilename();
+
+       if (fs::exists(FileName(fname).toFilesystemEncoding())) {
                docstring const file = makeDisplayPath(fname, 30);
-               docstring text = bformat(_("The document %1$s already exists.\n\n"
-                                          "Do you want to overwrite that document?"), file);
+               docstring text = bformat(_("The document %1$s already "
+                                          "exists.\n\nDo you want to "
+                                          "overwrite that document?"), 
+                                        file);
                int const ret = Alert::prompt(_("Overwrite document?"),
                        text, 0, 1, _("&Overwrite"), _("&Cancel"));
 
@@ -215,7 +232,8 @@ private:
 
 int AutoSaveBuffer::start()
 {
-       command_ = to_utf8(bformat(_("Auto-saving %1$s"), from_utf8(fname_.absFilename())));
+       command_ = to_utf8(bformat(_("Auto-saving %1$s"), 
+                                  from_utf8(fname_.absFilename())));
        return run(DontWait);
 }
 
@@ -239,9 +257,10 @@ int AutoSaveBuffer::generateChild()
                        // assume successful write of tmp_ret
                        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)
+                               // most likely couldn't move between
+                               // filesystems unless write of tmp_ret
+                               // failed so remove tmp file (if it
+                               // exists)
                                unlink(tmp_ret);
                        }
                } else {
@@ -253,9 +272,9 @@ int AutoSaveBuffer::generateChild()
                        if (!bv_.buffer()->writeFile(fname_)) {
                                // It is dangerous to do this in the child,
                                // but safe in the parent, so...
-                               if (pid == -1)
-                                       // emit message signal.
-                                       bv_.buffer()->message(_("Autosave failed!"));
+                               if (pid == -1) // emit message signal.
+                                       bv_.buffer()
+                                         ->message(_("Autosave failed!"));
                        }
                }
                if (pid == 0) { // we are the child so...
@@ -326,7 +345,9 @@ void insertPlaintextFile(BufferView * bv, string const & f, bool asParagraph)
        if (!bv->buffer())
                return;
 
-       docstring const tmpstr = getContentsOfPlaintextFile(bv, f, asParagraph);
+       docstring const tmpstr =
+         getContentsOfPlaintextFile(bv, f, asParagraph);
+
        if (tmpstr.empty())
                return;
 
@@ -341,13 +362,15 @@ void insertPlaintextFile(BufferView * bv, string const & f, bool asParagraph)
 
 
 docstring const getContentsOfPlaintextFile(BufferView * bv, string const & f,
-               bool asParagraph)
+                                          bool asParagraph)
 {
        FileName fname(f);
 
        if (fname.empty()) {
                FileDialog fileDlg(_("Select file to insert"),
-                       (asParagraph) ? LFUN_FILE_INSERT_PLAINTEXT_PARA : LFUN_FILE_INSERT_PLAINTEXT);
+                                  ( (asParagraph)
+                                    ? LFUN_FILE_INSERT_PLAINTEXT_PARA 
+                                    : LFUN_FILE_INSERT_PLAINTEXT) );
 
                FileDialog::Result result =
                        fileDlg.open(from_utf8(bv->buffer()->filePath()),
@@ -365,8 +388,9 @@ docstring const getContentsOfPlaintextFile(BufferView * bv, string const & f,
        if (!fs::is_readable(fname.toFilesystemEncoding())) {
                docstring const error = from_ascii(strerror(errno));
                docstring const file = makeDisplayPath(fname.absFilename(), 50);
-               docstring const text = bformat(_("Could not read the specified document\n"
-                                                          "%1$s\ndue to the error: %2$s"), file, error);
+               docstring 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 docstring();
        }
@@ -375,8 +399,9 @@ docstring const getContentsOfPlaintextFile(BufferView * bv, string const & f,
        if (!ifs) {
                docstring const error = from_ascii(strerror(errno));
                docstring const file = makeDisplayPath(fname.absFilename(), 50);
-               docstring const text = bformat(_("Could not open the specified document\n"
-                                                          "%1$s\ndue to the error: %2$s"), file, error);
+               docstring 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 docstring();
        }
@@ -402,15 +427,15 @@ docstring const getContentsOfPlaintextFile(BufferView * bv, string const & f,
        docstring file_content = from_utf8(tmpstr);
        if (file_content.empty()) {
                Alert::error(_("Reading not UTF-8 encoded file"),
-                                       _("The file is not UTF-8 encoded.\n"
-                                       "It will be read as local 8Bit-encoded.\n"
-                                       "If this does not give the correct result\n"
-                                       "then please change the encoding of the file\n"
-                                       "to UTF-8 with a program other than LyX.\n"));
+                            _("The file is not UTF-8 encoded.\n"
+                              "It will be read as local 8Bit-encoded.\n"
+                              "If this does not give the correct result\n"
+                              "then please change the encoding of the file\n"
+                              "to UTF-8 with a program other than LyX.\n"));
                file_content = from_local8bit(tmpstr);
        }
 
-       return normalize_kc(file_content);
+       return normalize_c(file_content);
 }
 
 
@@ -435,8 +460,8 @@ void reconfigure(LyXView & lv)
 
        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."));
+                            "You need to restart LyX to make use of any\n"
+                            "updated document class specifications."));
 }