]> git.lyx.org Git - lyx.git/blobdiff - src/tex2lyx/context.C
* src/LyXAction.C: mark goto-clear-bookmark as working without buffer
[lyx.git] / src / tex2lyx / context.C
index df0fdbbbeadb81d11b431421c66c1452a1e18675..12404d9d12711564dbd08203c6a5500425e4223b 100644 (file)
@@ -15,6 +15,9 @@
 #include "support/lstrings.h"
 #include "context.h"
 
+
+namespace lyx {
+
 using std::ostream;
 using std::endl;
 using std::string;
@@ -22,9 +25,13 @@ using std::string;
 
 namespace {
 
-void begin_layout(ostream & os, LyXLayout_ptr layout)
+void begin_layout(ostream & os, LyXLayout_ptr layout, Font const & font,
+                 Font const & normalfont)
 {
        os << "\n\\begin_layout " << layout->name() << "\n";
+       // FIXME: This is not enough for things like
+       // \\Huge par1 \\par par2
+       output_font_change(os, normalfont, font);
 }
 
 
@@ -36,25 +43,56 @@ void end_layout(ostream & os)
 
 void begin_deeper(ostream & os)
 {
-       os << "\n\\begin_deeper \n";
+       os << "\n\\begin_deeper";
 }
 
 
 void end_deeper(ostream & os)
 {
-       os << "\n\\end_deeper \n";
+       os << "\n\\end_deeper";
+}
+
+}
+
+
+bool operator==(Font const & f1, Font const & f2)
+{
+       return
+               f1.size == f2.size &&
+               f1.family == f2.family &&
+               f1.series == f2.series &&
+               f1.shape == f2.shape;
 }
 
+
+void output_font_change(ostream & os, Font const & oldfont,
+                       Font const & newfont)
+{
+       if (oldfont.family != newfont.family)
+               os << "\n\\family " << newfont.family << '\n';
+       if (oldfont.series != newfont.series)
+               os << "\n\\series " << newfont.series << '\n';
+       if (oldfont.shape != newfont.shape)
+               os << "\n\\shape " << newfont.shape << '\n';
+       if (oldfont.size != newfont.size)
+               os << "\n\\size " << newfont.size << '\n';
 }
 
+
+Font Context::normalfont;
+bool Context::empty = true;
+
+
 Context::Context(bool need_layout_,
                 LyXTextClass const & textclass_,
-                LyXLayout_ptr layout_, LyXLayout_ptr parent_layout_)
+                LyXLayout_ptr layout_, LyXLayout_ptr parent_layout_,
+                Font font_)
        : need_layout(need_layout_),
          need_end_layout(false), need_end_deeper(false),
          has_item(false), deeper_paragraph(false),
-         textclass(textclass_),
-         layout(layout_), parent_layout(parent_layout_)
+         new_layout_allowed(true), textclass(textclass_),
+         layout(layout_), parent_layout(parent_layout_),
+         font(font_)
 {
        if (!layout.get())
                layout = textclass.defaultLayout();
@@ -63,6 +101,14 @@ Context::Context(bool need_layout_,
 }
 
 
+Context::~Context()
+{
+       if (!extra_stuff.empty())
+               std::cerr << "Bug: Ignoring extra stuff '" << extra_stuff
+                         << '\'' << std::endl;
+}
+
+
 void Context::check_layout(ostream & os)
 {
        if (need_layout) {
@@ -71,36 +117,38 @@ void Context::check_layout(ostream & os)
                // are we in a list-like environment?
                if (layout->isEnvironment()
                    && layout->latextype != LATEX_ENVIRONMENT) {
+                       // A list-like environment
                        if (has_item) {
+                               // a new item. If we had a standard
+                               // paragraph before, we have to end it.
                                if (deeper_paragraph) {
                                        end_deeper(os);
                                        deeper_paragraph = false;
                                }
-                               begin_layout(os, layout);
+                               begin_layout(os, layout, font, normalfont);
                                has_item = false;
-                               need_layout=false;
-                               need_end_layout = true;
                        } else {
                                // a standard paragraph in an
                                // enumeration. We have to recognize
                                // that this may require a begin_deeper.
                                if (!deeper_paragraph)
                                        begin_deeper(os);
-                               begin_layout(os, textclass.defaultLayout());
-                               need_layout=false;
-                               need_end_layout = true;
+                               begin_layout(os, textclass.defaultLayout(),
+                                            font, normalfont);
                                deeper_paragraph = true;
                        }
                } else {
-                       begin_layout(os, layout);
-                       need_layout=false;
-                       need_end_layout = true;
+                       // No list-like environment
+                       begin_layout(os, layout, font, normalfont);
                }
+               need_layout = false;
+               need_end_layout = true;
                if (!extra_stuff.empty()) {
                        os << extra_stuff;
                        extra_stuff.erase();
                }
                os << "\n";
+               empty = false;
        }
 }
 
@@ -117,6 +165,8 @@ void Context::check_end_layout(ostream & os)
 void Context::check_deeper(ostream & os)
 {
        if (parent_layout->isEnvironment()) {
+               // We start a nested environment.
+               // We need to increase the depth.
                if (need_end_deeper) {
                        // no need to have \end_deeper \begin_deeper
                        need_end_deeper = false;
@@ -176,8 +226,16 @@ void Context::dump(ostream & os, string const & desc) const
                os << "has_item ";
        if (deeper_paragraph)
                os << "deeper_paragraph ";
+       if (new_layout_allowed)
+               os << "new_layout_allowed ";
        if (!extra_stuff.empty())
                os << "extrastuff=[" << extra_stuff << "] ";
-       os << "layout=" << layout->name();
-       os << " parent_layout=" << parent_layout->name() << "]" << endl;
+       os << "textclass=" << textclass.name()
+          << " layout=" << layout->name()
+          << " parent_layout=" << parent_layout->name() << "] font=["
+          << font.size << ' ' << font.family << ' ' << font.series << ' '
+          << font.shape << ']' << endl;
 }
+
+
+} // namespace lyx