]> git.lyx.org Git - lyx.git/blobdiff - src/insets/insetgraphics.C
fix #832
[lyx.git] / src / insets / insetgraphics.C
index 68cca4efef01068fbb35ecc533107a93acc81c2d..f423210c58408ddf1d1db3f68e7cbf003925f4ac 100644 (file)
@@ -52,7 +52,6 @@ TODO
 
 #include <config.h>
 
-
 #include "insets/insetgraphics.h"
 #include "insets/insetgraphicsParams.h"
 
@@ -64,36 +63,42 @@ TODO
 #include "buffer.h"
 #include "BufferView.h"
 #include "converter.h"
-#include "frontends/Painter.h"
-#include "lyxrc.h"
-#include "frontends/font_metrics.h"
 #include "debug.h"
+#include "format.h"
+#include "funcrequest.h"
 #include "gettext.h"
 #include "LaTeXFeatures.h"
+#include "Lsstream.h"
 #include "lyxlex.h"
+#include "lyxrc.h"
+#include "Lsstream.h"
 
+#include "frontends/lyx_gui.h"
 #include "frontends/Alert.h"
 #include "frontends/Dialogs.h"
+#include "frontends/font_metrics.h"
 #include "frontends/LyXView.h"
-
-#include "frontends/controllers/helper_funcs.h" // getVectorFromString
+#include "frontends/Painter.h"
 
 #include "support/LAssert.h"
 #include "support/filetools.h"
 #include "support/lyxalgo.h" // lyx::count
 #include "support/lyxlib.h" // float_equal
 #include "support/path.h"
+#include "support/tostr.h"
 #include "support/systemcall.h"
 #include "support/os.h"
 
 #include <boost/weak_ptr.hpp>
 #include <boost/bind.hpp>
 #include <boost/signals/trackable.hpp>
-#include "BoostFormat.h"
+#include "support/BoostFormat.h"
 
 #include <algorithm> // For the std::max
 
 extern string system_tempdir;
+// set by Exporters
+extern bool pdf_mode;
 
 using std::ostream;
 using std::endl;
@@ -117,35 +122,28 @@ string const RemoveExtension(string const & filename)
 string const uniqueID()
 {
        static unsigned int seed = 1000;
-
-       ostringstream ost;
-       ost << "graph" << ++seed;
-
-       // Needed if we use lyxstring.
-       return STRCONV(ost.str());
+       return "graph" + tostr(++seed);
 }
 
 
 string findTargetFormat(string const & suffix)
 {
-       // lyxrc.pdf_mode means:
+       // pdf_mode means:
        // Are we creating a PDF or a PS file?
        // (Should actually mean, are we using latex or pdflatex).
-       if (lyxrc.pdf_mode) {
+       if (pdf_mode) {
                lyxerr[Debug::GRAPHICS] << "findTargetFormat: PDF mode\n";
                if (contains(suffix, "ps") || suffix == "pdf")
                        return "pdf";
-               else if (suffix == "jpg")       // pdflatex can use jpeg
+               if (suffix == "jpg")    // pdflatex can use jpeg
                        return suffix;
-               else
-                       return "png";           // and also png
+               return "png";         // and also png
        }
        // If it's postscript, we always do eps.
        lyxerr[Debug::GRAPHICS] << "findTargetFormat: PostScript mode\n";
-       if (suffix != "ps")                     // any other than ps
-           return "eps";                       // is changed to eps
-       else
-           return suffix;                      // let ps untouched
+       if (suffix != "ps")     // any other than ps
+               return "eps";         // is changed to eps
+       return suffix;          // let ps untouched
 }
 
 } // namespace anon
@@ -206,54 +204,77 @@ InsetGraphics::InsetGraphics(InsetGraphics const & ig,
 }
 
 
+Inset * InsetGraphics::clone(Buffer const & buffer, bool same_id) const
+{
+       return new InsetGraphics(*this, buffer.filePath(), same_id);
+}
+
+
 InsetGraphics::~InsetGraphics()
 {
-       // Emits the hide signal to the dialog connected (if any)
-       hideDialog();
+       InsetGraphicsMailer mailer(*this);
+       mailer.hideDialog();
+}
+
+
+dispatch_result InsetGraphics::localDispatch(FuncRequest const & cmd)
+{
+       switch (cmd.action) {
+       case LFUN_INSET_MODIFY: {
+               InsetGraphicsParams p;
+               InsetGraphicsMailer::string2params(cmd.argument, p);
+               if (!p.filename.empty()) {
+                       string const filepath = cmd.view()->buffer()->filePath();
+                       setParams(p, filepath);
+                       cmd.view()->updateInset(this);
+               }
+               return DISPATCHED;
+       }
+
+       case LFUN_INSET_DIALOG_UPDATE: 
+               InsetGraphicsMailer(*this).updateDialog(cmd.view());
+               return DISPATCHED;
+
+       case LFUN_INSET_EDIT:
+       case LFUN_MOUSE_RELEASE:
+               InsetGraphicsMailer(*this).showDialog(cmd.view());
+               return DISPATCHED;
+
+       default:
+               return Inset::localDispatch(cmd);
+       }
 }
 
 
 string const InsetGraphics::statusMessage() const
 {
-       string msg;
+       using namespace grfx;
 
        switch (cache_->loader.status()) {
-       case grfx::WaitingToLoad:
-               msg = _("Not shown.");
-               break;
-       case grfx::Loading:
-               msg = _("Loading...");
-               break;
-       case grfx::Converting:
-               msg = _("Converting to loadable format...");
-               break;
-       case grfx::Loaded:
-               msg = _("Loaded into memory. Must now generate pixmap.");
-               break;
-       case grfx::ScalingEtc:
-               msg = _("Scaling etc...");
-               break;
-       case grfx::Ready:
-               msg = _("Ready to display");
-               break;
-       case grfx::ErrorNoFile:
-               msg = _("No file found!");
-               break;
-       case grfx::ErrorConverting:
-               msg = _("Error converting to loadable format");
-               break;
-       case grfx::ErrorLoading:
-               msg = _("Error loading file into memory");
-               break;
-       case grfx::ErrorGeneratingPixmap:
-               msg = _("Error generating the pixmap");
-               break;
-       case grfx::ErrorUnknown:
-               msg = _("No image");
-               break;
+               case WaitingToLoad:
+                       return _("Not shown.");
+               case Loading:
+                       return _("Loading...");
+               case Converting:
+                       return _("Converting to loadable format...");
+               case Loaded:
+                       return _("Loaded into memory. Must now generate pixmap.");
+               case ScalingEtc:
+                       return _("Scaling etc...");
+               case Ready:
+                       return _("Ready to display");
+               case ErrorNoFile:
+                       return _("No file found!");
+               case ErrorConverting:
+                       return _("Error converting to loadable format");
+               case ErrorLoading:
+                       return _("Error loading file into memory");
+               case ErrorGeneratingPixmap:
+                       return _("Error generating the pixmap");
+               case ErrorUnknown:
+                       return _("No image");
        }
-
-       return msg;
+       return string();
 }
 
 
@@ -285,32 +306,37 @@ int InsetGraphics::width(BufferView *, LyXFont const & font) const
 {
        if (imageIsDrawable())
                return cache_->loader.image()->getWidth() + 2 * TEXT_TO_INSET_OFFSET;
-       else {
-               int font_width = 0;
 
-               LyXFont msgFont(font);
-               msgFont.setFamily(LyXFont::SANS_FAMILY);
+       int font_width = 0;
 
-               string const justname = OnlyFilename (params().filename);
-               if (!justname.empty()) {
-                       msgFont.setSize(LyXFont::SIZE_FOOTNOTE);
-                       font_width = font_metrics::width(justname, msgFont);
-               }
+       LyXFont msgFont(font);
+       msgFont.setFamily(LyXFont::SANS_FAMILY);
 
-               string const msg = statusMessage();
-               if (!msg.empty()) {
-                       msgFont.setSize(LyXFont::SIZE_TINY);
-                       int const msg_width = font_metrics::width(msg, msgFont);
-                       font_width = std::max(font_width, msg_width);
-               }
+       string const justname = OnlyFilename (params().filename);
+       if (!justname.empty()) {
+               msgFont.setSize(LyXFont::SIZE_FOOTNOTE);
+               font_width = font_metrics::width(justname, msgFont);
+       }
 
-               return std::max(50, font_width + 15);
+       string const msg = statusMessage();
+       if (!msg.empty()) {
+               msgFont.setSize(LyXFont::SIZE_TINY);
+               int const msg_width = font_metrics::width(msg, msgFont);
+               font_width = std::max(font_width, msg_width);
        }
+
+       return std::max(50, font_width + 15);
+}
+
+
+BufferView * InsetGraphics::view() const
+{
+       return cache_->view.lock().get();
 }
 
 
 void InsetGraphics::draw(BufferView * bv, LyXFont const & font,
-                        int baseline, float & x, bool) const
+                        int baseline, float & x) const
 {
        // MakeAbsPath returns params().filename unchanged if it absolute
        // already.
@@ -336,9 +362,8 @@ void InsetGraphics::draw(BufferView * bv, LyXFont const & font,
        // This is not a nice thing to do and should be fixed properly somehow.
        // But I still don't know the best way to go. So let's do this like this
        // for now (Jug 20020311)
-       if (lascent != oasc) {
+       if (lascent != oasc)
                return;
-       }
 
        // Make sure now that x is updated upon exit from this routine
        int old_x = int(x);
@@ -346,8 +371,8 @@ void InsetGraphics::draw(BufferView * bv, LyXFont const & font,
 
        grfx::Params const & gparams = params().as_grfxParams();
 
-       if (gparams.display != grfx::NoDisplay
-               && cache_->loader.status() == grfx::WaitingToLoad)
+       if (gparams.display != grfx::NoDisplay &&
+                       cache_->loader.status() == grfx::WaitingToLoad)
                cache_->loader.startLoading();
 
        if (!cache_->loader.monitoring())
@@ -385,33 +410,6 @@ void InsetGraphics::draw(BufferView * bv, LyXFont const & font,
                        paint.text(old_x + TEXT_TO_INSET_OFFSET + 6, baseline - 4, msg, msgFont);
                }
        }
-
-       // the status message may mean we changed size, so indicate
-       // we need a row redraw
-#if 0
-       if (old_status_ != grfx::ErrorUnknown && old_status_ != cached_status_) {
-               bv->getLyXText()->status(bv, LyXText::CHANGED_IN_DRAW);
-       }
-#endif
-
-       // Reset the cache, ready for the next draw request
-#if 0
-       cached_status_ = grfx::ErrorUnknown;
-       cached_image_.reset();
-       cache_filled_ = false;
-#endif
-}
-
-
-void InsetGraphics::edit(BufferView *bv, int, int, mouse_button::state)
-{
-       bv->owner()->getDialogs().showGraphics(this);
-}
-
-
-void InsetGraphics::edit(BufferView * bv, bool)
-{
-       edit(bv, 0, 0, mouse_button::none);
 }
 
 
@@ -561,7 +559,7 @@ string const InsetGraphics::prepareFile(Buffer const * buf) const
 
        // temp_file will contain the file for LaTeX to act on if, for example,
        // we move it to a temp dir or uncompress it.
-       string temp_file(orig_file);
+       string temp_file = orig_file;
 
        if (zipped) {
                // Uncompress the file if necessary.
@@ -595,12 +593,10 @@ string const InsetGraphics::prepareFile(Buffer const * buf) const
                // No conversion is needed. LaTeX can handle the
                // graphic file as is.
                // This is true even if the orig_file is compressed.
-               if (formats.getFormat(to)->extension() == GetExtension(orig_file)) {
+               if (formats.getFormat(to)->extension() == GetExtension(orig_file))
                        return RemoveExtension(orig_file_with_path);
-               } else {
-                       return orig_file_with_path;
-               }
-       } 
+               return orig_file_with_path;
+       }
 
        // We're going to be running the exported buffer through the LaTeX
        // compiler, so must ensure that LaTeX can cope with the graphics
@@ -637,8 +633,16 @@ string const InsetGraphics::prepareFile(Buffer const * buf) const
                                << temp_file
                                << (success ? " succeeded\n" : " failed\n");
                        if (!success) {
-                               Alert::alert(_("Cannot copy file"), orig_file_with_path,
-                                       _("into tempdir"));
+#if USE_BOOST_FORMAT
+                               boost::format fmt(_("Could not copy the file\n%1$s\ninto the temporary directory."));
+                               fmt % orig_file_with_path;
+                               string str = fmt.str();
+#else
+                               string str = _("Could not copy the file\n");
+                               str += orig_file_with_path;
+                               str += _("\ninto the temporary directory.");
+#endif
+                               Alert::error(_("Graphics display failed"), str);
                                return orig_file;
                        }
                }
@@ -646,13 +650,12 @@ string const InsetGraphics::prepareFile(Buffer const * buf) const
                if (from == to) {
                        // No conversion is needed. LaTeX can handle the
                        // graphic file as is.
-                       if (formats.getFormat(to)->extension() == GetExtension(orig_file)) 
+                       if (formats.getFormat(to)->extension() == GetExtension(orig_file))
                                return RemoveExtension(temp_file);
-                       else 
-                               return temp_file;
+                       return temp_file;
                }
        }
-       
+
        string const outfile_base = RemoveExtension(temp_file);
        lyxerr[Debug::GRAPHICS]
                << "\tThe original file is " << orig_file << "\n"
@@ -673,22 +676,26 @@ string const InsetGraphics::prepareFile(Buffer const * buf) const
                        << command << endl;
                Systemcall one;
                one.startscript(Systemcall::Wait, command);
-               if (!IsFileReadable(ChangeExtension(outfile_base, to)))
+               if (!IsFileReadable(ChangeExtension(outfile_base, to))) {
 #if USE_BOOST_FORMAT
-                       Alert::alert(_("Cannot convert Image (not existing file?)"),
-                                    boost::io::str(boost::format(_("No information for converting from %1$s to %2$s"))
-                               % from % to));
+                       boost::format fmt(_("No information for converting %1$s format files to %1$s.\n"
+                               "Try defining a convertor in the preferences."));
+                       fmt % from % to;
+                       string str = fmt.str();
 #else
-                       Alert::alert(_("Cannot convert Image (not existing file?)"),
-                                    _("No information for converting from ") + from + " to " + to);
+                       string str = _("No information for converting ");
+                       str += from + _(" format files to ") + to;
+                       str += _(".\nTry defining a convertor in the preferences.");
 #endif
+                       Alert::error(_("Could not convert image"), str);
+               }
        }
 
        return RemoveExtension(temp_file);
 }
 
 
-int InsetGraphics::latex(Buffer const *buf, ostream & os,
+int InsetGraphics::latex(Buffer const * buf, ostream & os,
                         bool /*fragile*/, bool/*fs*/) const
 {
        // If there is no file specified or not existing,
@@ -699,7 +706,7 @@ int InsetGraphics::latex(Buffer const *buf, ostream & os,
 
        // A missing (e)ps-extension is no problem for LaTeX, so
        // we have to test three different cases
-       string const file_(MakeAbsPath(params().filename, buf->filePath()));
+       string const file_ = MakeAbsPath(params().filename, buf->filePath());
        bool const file_exists =
                !file_.empty() &&
                (IsFileReadable(file_) ||               // original
@@ -756,10 +763,7 @@ int InsetGraphics::latex(Buffer const *buf, ostream & os,
        os << latex_str;
 
        // Return how many newlines we issued.
-       int const newlines =
-               int(lyx::count(latex_str.begin(), latex_str.end(),'\n') + 1);
-
-       return newlines;
+       return int(lyx::count(latex_str.begin(), latex_str.end(),'\n') + 1);
 }
 
 
@@ -770,15 +774,7 @@ int InsetGraphics::ascii(Buffer const *, ostream & os, int) const
        // 1. Convert file to ascii using gifscii
        // 2. Read ascii output file and add it to the output stream.
        // at least we send the filename
-#if USE_BOOST_FORMAT
-       os << '<'
-          << boost::format(_("Graphics file: %1$s")) % params().filename
-          << ">\n";
-#else
-       os << '<'
-          << _("Graphics file: ") << params().filename
-          << ">\n";
-#endif
+       os << '<' << bformat(_("Graphics file: %1$s"), params().filename) << ">\n";
        return 0;
 }
 
@@ -808,7 +804,7 @@ void InsetGraphics::validate(LaTeXFeatures & features) const
 {
        // If we have no image, we should not require anything.
        if (params().filename.empty())
-               return ;
+               return;
 
        features.includeFile(graphic_label, RemoveExtension(params().filename));
 
@@ -821,8 +817,8 @@ void InsetGraphics::validate(LaTeXFeatures & features) const
 
 void InsetGraphics::statusChanged()
 {
-       if (cache_->view.get())
-               cache_->view.get()->updateInset(this, false);
+       if (!cache_->view.expired())
+               cache_->view.lock()->updateInset(this);
 }
 
 
@@ -830,9 +826,8 @@ bool InsetGraphics::setParams(InsetGraphicsParams const & p,
                              string const & filepath)
 {
        // If nothing is changed, just return and say so.
-       if (params() == p && !p.filename.empty()) {
+       if (params() == p && !p.filename.empty())
                return false;
-       }
 
        // Copy the new parameters.
        params_ = p;
@@ -851,7 +846,52 @@ InsetGraphicsParams const & InsetGraphics::params() const
 }
 
 
-Inset * InsetGraphics::clone(Buffer const & buffer, bool same_id) const
+string const InsetGraphicsMailer::name_("graphics");
+
+InsetGraphicsMailer::InsetGraphicsMailer(InsetGraphics & inset)
+       : inset_(inset)
+{}
+
+
+string const InsetGraphicsMailer::inset2string() const
 {
-       return new InsetGraphics(*this, buffer.filePath(), same_id);
+       return params2string(inset_.params());
+}
+
+
+void InsetGraphicsMailer::string2params(string const & in,
+                                       InsetGraphicsParams & params)
+{
+       params = InsetGraphicsParams();
+
+       if (in.empty())
+               return;
+
+       istringstream data(STRCONV(in));
+       LyXLex lex(0,0);
+       lex.setStream(data);
+
+       if (lex.isOK()) {
+               lex.next();
+               string const token = lex.getString();
+               if (token != name_)
+                       return;
+       }
+
+       if (lex.isOK()) {
+               InsetGraphics inset;
+               inset.readInsetGraphics(lex);
+               params = inset.params();
+       }
+}
+
+
+string const
+InsetGraphicsMailer::params2string(InsetGraphicsParams const & params)
+{
+       ostringstream data;
+       data << name_ << ' ';
+       params.Write(data);
+       data << "\\end_inset\n";
+       return STRCONV(data.str());
 }