src/frontends/controllers/ControlGraphics.cpp

   1 /**
   2  * \file ControlGraphics.cpp
   3  * This file is part of LyX, the document processor.
   4  * Licence details can be found in the file COPYING.
   5  *
   6  * \author Angus Leeming
   7  * \author Herbert Voß
   8  *
   9  * Full author contact details are available in file CREDITS.
  10  */
  11
  12 #include <config.h>
  13
  14 #include "ControlGraphics.h"
  15
  16 #include "frontend_helpers.h"
  17
  18 #include "FuncRequest.h"
  19 #include "gettext.h"
  20 #include "LyXRC.h"
  21
  22 #include "graphics/GraphicsCache.h"
  23 #include "graphics/GraphicsCacheItem.h"
  24 #include "graphics/GraphicsImage.h"
  25
  26 #include "insets/InsetGraphics.h"
  27
  28 #include "support/convert.h"
  29 #include "support/FileFilterList.h"
  30 #include "support/filetools.h"
  31 #include "support/Package.h"
  32 #include "support/types.h"
  33
  34 #include <boost/filesystem/operations.hpp>
  35
  36 using std::make_pair;
  37 using std::string;
  38 using std::pair;
  39 using std::vector;
  40
  41 namespace fs = boost::filesystem;
  42
  43 namespace lyx {
  44
  45 using support::addName;
  46 using support::FileFilterList;
  47 using support::FileName;
  48 using support::isFileReadable;
  49 using support::makeAbsPath;
  50 using support::package;
  51 using support::readBB_from_PSFile;
  52
  53 namespace frontend {
  54
  55
  56 ControlGraphics::ControlGraphics(Dialog & parent)
  57         : Dialog::Controller(parent)
  58 {}
  59
  60
  61 bool ControlGraphics::initialiseParams(string const & data)
  62 {
  63         InsetGraphicsParams params;
  64         InsetGraphicsMailer::string2params(data, kernel().buffer(), params);
  65         params_.reset(new InsetGraphicsParams(params));
  66         return true;
  67 }
  68
  69
  70 void ControlGraphics::clearParams()
  71 {
  72         params_.reset();
  73 }
  74
  75
  76 void ControlGraphics::dispatchParams()
  77 {
  78         InsetGraphicsParams tmp_params(params());
  79         string const lfun =
  80                 InsetGraphicsMailer::params2string(tmp_params, kernel().buffer());
  81         kernel().dispatch(FuncRequest(getLfun(), lfun));
  82 }
  83
  84
  85 docstring const ControlGraphics::browse(docstring const & in_name) const
  86 {
  87         docstring const title = _("Select graphics file");
  88
  89         // Does user clipart directory exist?
  90         string clipdir = addName(package().user_support().absFilename(), "clipart");
  91         string const encoded_clipdir = FileName(clipdir).toFilesystemEncoding();
  92         if (!(fs::exists(encoded_clipdir) && fs::is_directory(encoded_clipdir)))
  93                 // No - bail out to system clipart directory
  94                 clipdir = addName(package().system_support().absFilename(), "clipart");
  95         pair<docstring, docstring> dir1(_("Clipart|#C#c"), from_utf8(clipdir));
  96         pair<docstring, docstring> dir2(_("Documents|#o#O"), from_utf8(lyxrc.document_path));
  97         // Show the file browser dialog
  98         return browseRelFile(in_name, from_utf8(kernel().bufferFilepath()),
  99                              title,
 100                              FileFilterList(),
 101                              false, dir1, dir2);
 102 }
 103
 104
 105 string const ControlGraphics::readBB(string const & file)
 106 {
 107         FileName const abs_file(makeAbsPath(file, kernel().bufferFilepath()));
 108
 109         // try to get it from the file, if possible. Zipped files are
 110         // unzipped in the readBB_from_PSFile-Function
 111         string const bb = readBB_from_PSFile(abs_file);
 112         if (!bb.empty())
 113                 return bb;
 114
 115         // we don't, so ask the Graphics Cache if it has loaded the file
 116         int width = 0;
 117         int height = 0;
 118
 119         graphics::Cache & gc = graphics::Cache::get();
 120         if (gc.inCache(abs_file)) {
 121                 graphics::Image const * image = gc.item(abs_file)->image();
 122
 123                 if (image) {
 124                         width  = image->getWidth();
 125                         height = image->getHeight();
 126                 }
 127         }
 128
 129         return ("0 0 " + convert<string>(width) + ' ' + convert<string>(height));
 130 }
 131
 132
 133 bool ControlGraphics::isFilenameValid(string const & fname) const
 134 {
 135         // It may be that the filename is relative.
 136         FileName const name(makeAbsPath(fname, kernel().bufferFilepath()));
 137         return isFileReadable(name);
 138 }
 139
 140
 141 void ControlGraphics::editGraphics()
 142 {
 143         BOOST_ASSERT(params_.get());
 144
 145         dialog().view().apply();
 146         string const lfun =
 147                 InsetGraphicsMailer::params2string(params(), kernel().buffer());
 148         kernel().dispatch(FuncRequest(LFUN_GRAPHICS_EDIT, lfun));
 149 }
 150
 151
 152 namespace {
 153
 154 char const * const bb_units[] = { "bp", "cm", "mm", "in" };
 155 size_t const bb_size = sizeof(bb_units) / sizeof(char *);
 156
 157 // These are the strings that are stored in the LyX file and which
 158 // correspond to the LaTeX identifiers shown in the comments at the
 159 // end of each line.
 160 char const * const rorigin_lyx_strs[] = {
 161         // the LaTeX default is leftBaseline
 162         "",
 163         "leftTop",  "leftBottom", "leftBaseline", // lt lb lB
 164         "center", "centerTop", "centerBottom", "centerBaseline", // c ct cb cB
 165         "rightTop", "rightBottom", "rightBaseline" }; // rt rb rB
 166
 167 // These are the strings, corresponding to the above, that the GUI should
 168 // use. Note that they can/should be translated.
 169 char const * const rorigin_gui_strs[] = {
 170         N_("Default"),
 171         N_("Top left"), N_("Bottom left"), N_("Baseline left"),
 172         N_("Center"), N_("Top center"), N_("Bottom center"), N_("Baseline center"),
 173         N_("Top right"), N_("Bottom right"), N_("Baseline right") };
 174
 175 size_t const rorigin_size = sizeof(rorigin_lyx_strs) / sizeof(char *);
 176
 177 } // namespace anon
 178
 179
 180 vector<string> const getBBUnits()
 181 {
 182         return vector<string>(bb_units, bb_units + bb_size);
 183 }
 184
 185
 186 vector<RotationOriginPair> getRotationOriginData()
 187 {
 188         static vector<RotationOriginPair> data;
 189         if (!data.empty())
 190                 return data;
 191
 192         data.resize(rorigin_size);
 193         for (size_type i = 0; i < rorigin_size; ++i) {
 194                 data[i] = make_pair(_(rorigin_gui_strs[i]),
 195                                     rorigin_lyx_strs[i]);
 196         }
 197
 198         return data;
 199 }
 200
 201 } // namespace frontend
 202 } // namespace lyx