]> git.lyx.org Git - lyx.git/blobdiff - src/bufferview_funcs.C
GTK graphics dialog: Default to scaling 100% when no scaling or size is given
[lyx.git] / src / bufferview_funcs.C
index f4765b42055ca45f169348d82a1e95acf46bc772..41f94771b80c9072ec752e69865799a1b6276b64 100644 (file)
+/**
+ * \file bufferview_funcs.C
+ * This file is part of LyX, the document processor.
+ * Licence details can be found in the file COPYING.
+ *
+ * \author Lars Gullik Bjønnes
+ * \author Jean-Marc Lasgouttes
+ * \author John Levon
+ * \author Angus Leeming
+ * \author Juergen Vigna
+ *
+ * Full author contact details are available in file CREDITS.
+ */
+
 #include <config.h>
 
 #include "bufferview_funcs.h"
-#include "LyXView.h"
-#include "BufferView.h"
-#include "lyxparagraph.h"
-#include "lyxfont.h"
-#include "lyx_gui_misc.h"
-#include "lyxtext.h"
-#include "minibuffer.h"
+
+#include "author.h"
 #include "buffer.h"
-#include "support/lstrings.h"
-#include "lyx_cb.h"
-#include "layout_forms.h"
+#include "bufferparams.h"
+#include "BufferView.h"
+#include "cursor.h"
+#include "coordcache.h"
+#include "gettext.h"
+#include "language.h"
+#include "LColor.h"
+#include "lyxlex.h"
+#include "lyxrow.h"
+#include "paragraph.h"
+#include "ParagraphParameters.h"
+#include "pariterator.h"
 
-extern FD_form_paragraph * fd_form_paragraph;
-extern FD_form_character * fd_form_character;
+#include "frontends/Alert.h"
+#include "frontends/LyXView.h"
 
+#include "insets/insetcommand.h"
+#include "insets/insettext.h"
 
-void Foot(BufferView * bv)
-{
-       if (!bv->available()) 
-               return;
-       
-       bv->owner()->getMiniBuffer()
-               ->Set(_("Inserting Footnote..."));
-       bv->hideCursor();
-       bv->update(-2);
-       bv->text->InsertFootnoteEnvironment(LyXParagraph::FOOTNOTE);
-       bv->update(1);
-}
+#include "support/convert.h"
 
+#include <sstream>
 
-void Emph(BufferView * bv)
-{
-       LyXFont font(LyXFont::ALL_IGNORE);
-       font.setEmph(LyXFont::TOGGLE);
-       ToggleAndShow(bv, font);
-}
+using lyx::support::bformat;
 
+using std::istringstream;
+using std::ostringstream;
+using std::string;
+using std::vector;
 
-void Bold(BufferView * bv)
-{
-       LyXFont font(LyXFont::ALL_IGNORE);
-       font.setSeries(LyXFont::BOLD_SERIES);
-       ToggleAndShow(bv, font);
-}
 
+namespace bv_funcs {
 
-void Noun(BufferView * bv)
+// Set data using font and toggle
+// If successful, returns true
+bool font2string(LyXFont const & font, bool const toggle, string & data)
 {
-       LyXFont font(LyXFont::ALL_IGNORE);
-       font.setNoun(LyXFont::TOGGLE);
-       ToggleAndShow(bv, font);
+       string lang = "ignore";
+       if (font.language())
+               lang = font.language()->lang();
+
+       ostringstream os;
+       os << "family " << font.family() << '\n'
+          << "series " << font.series() << '\n'
+          << "shape " << font.shape() << '\n'
+          << "size " << font.size() << '\n'
+          << "emph " << font.emph() << '\n'
+          << "underbar " << font.underbar() << '\n'
+          << "noun " << font.noun() << '\n'
+          << "number " << font.number() << '\n'
+          << "color " << font.color() << '\n'
+          << "language " << lang << '\n'
+          << "toggleall " << convert<string>(toggle);
+       data = os.str();
+       return true;
 }
 
 
-void Margin(BufferView * bv)
+// Set font and toggle using data
+// If successful, returns true
+bool string2font(string const & data, LyXFont & font, bool & toggle)
 {
-       if (bv->available()) {
-               bv->owner()->getMiniBuffer()->Set(_("Inserting margin note..."));
-               bv->hideCursor();
-               bv->update(-2);
-               bv->text->InsertFootnoteEnvironment(LyXParagraph::MARGIN);
-               bv->update(1);
+       istringstream is(data);
+       LyXLex lex(0,0);
+       lex.setStream(is);
+
+       int nset = 0;
+       while (lex.isOK()) {
+               string token;
+               if (lex.next())
+                       token = lex.getString();
+
+               if (token.empty() || !lex.next())
+                       break;
+
+               if (token == "family") {
+                       int const next = lex.getInteger();
+                       font.setFamily(LyXFont::FONT_FAMILY(next));
+
+               } else if (token == "series") {
+                       int const next = lex.getInteger();
+                       font.setSeries(LyXFont::FONT_SERIES(next));
+
+               } else if (token == "shape") {
+                       int const next = lex.getInteger();
+                       font.setShape(LyXFont::FONT_SHAPE(next));
+
+               } else if (token == "size") {
+                       int const next = lex.getInteger();
+                       font.setSize(LyXFont::FONT_SIZE(next));
+
+               } else if (token == "emph" || token == "underbar" ||
+                          token == "noun" || token == "number") {
+
+                       int const next = lex.getInteger();
+                       LyXFont::FONT_MISC_STATE const misc =
+                               LyXFont::FONT_MISC_STATE(next);
+
+                       if (token == "emph")
+                           font.setEmph(misc);
+                       else if (token == "underbar")
+                               font.setUnderbar(misc);
+                       else if (token == "noun")
+                               font.setNoun(misc);
+                       else if (token == "number")
+                               font.setNumber(misc);
+
+               } else if (token == "color") {
+                       int const next = lex.getInteger();
+                       font.setColor(LColor::color(next));
+
+               } else if (token == "language") {
+                       string const next = lex.getString();
+                       if (next == "ignore")
+                               font.setLanguage(ignore_language);
+                       else
+                               font.setLanguage(languages.getLanguage(next));
+
+               } else if (token == "toggleall") {
+                       toggle = lex.getBool();
+
+               } else {
+                       // Unrecognised token
+                       break;
+               }
+
+               ++nset;
        }
+       return (nset > 0);
 }
 
 
-void Lang(BufferView * bv, string const & l)
+// the next two should probably go elsewhere
+// this give the position relative to (0, baseline) of outermost
+// paragraph
+Point coordOffset(DocIterator const & dit, bool boundary)
 {
-       LyXFont font(LyXFont::ALL_IGNORE);
-       Languages::iterator lit = languages.find(l);
-       if (lit != languages.end()) {
-               font.setLanguage(&(*lit).second);
-               ToggleAndShow(bv, font);
+       int x = 0;
+       int y = 0;
+
+       // Contribution of nested insets
+       for (size_t i = 1; i != dit.depth(); ++i) {
+               CursorSlice const & sl = dit[i];
+               int xx = 0;
+               int yy = 0;
+               //FIXME: the check for asMathInset() shouldn't be necessary
+               // but math insets do not return a sensible editable() state yet.
+               if (sl.inset().asMathInset() 
+                   || sl.inset().editable() == InsetBase::HIGHLY_EDITABLE)
+                       sl.inset().cursorPos(sl, boundary && ((i+1) == dit.depth()), xx, yy);
+               x += xx;
+               y += yy;
+               //lyxerr << "LCursor::getPos, i: "
+               // << i << " x: " << xx << " y: " << y << endl;
+       }
+
+       // Add contribution of initial rows of outermost paragraph
+       CursorSlice const & sl = dit[0];
+       Paragraph const & par = sl.text()->getPar(sl.pit());
+       y -= par.rows()[0].ascent();
+#if 1
+       size_t rend;
+       if (sl.pos() > 0 && dit.depth() == 1) {
+               int pos = sl.pos();
+               if (pos && boundary)
+                       --pos;
+//             lyxerr << "coordOffset: boundary:" << boundary << " depth:" << dit.depth() << " pos:" << pos << " sl.pos:" << sl.pos() << std::endl;
+               rend = par.pos2row(pos);
        } else
-               WriteAlert(_("Error! unknown language"),l);
+               rend = par.pos2row(sl.pos());
+#else
+       size_t rend = par.pos2row(sl.pos());
+#endif
+       for (size_t rit = 0; rit != rend; ++rit)
+               y += par.rows()[rit].height();
+       y += par.rows()[rend].ascent();
+       x += dit.bottom().text()->cursorX(dit.bottom(), boundary && dit.depth() == 1);
+       // The following correction should not be there at all.
+       // The cursor looks much better with the -1, though.
+       --x;
+       return Point(x, y);
 }
 
 
-void Melt(BufferView * bv)
+Point getPos(DocIterator const & dit, bool boundary)
 {
-       if (!bv->available()) return;
-       
-       bv->owner()->getMiniBuffer()->Set(_("Melt"));
-       bv->hideCursor();
-       bv->beforeChange();
-       bv->update(-2);
-       bv->text->MeltFootnoteEnvironment();
-       bv->update(1);
+       CursorSlice const & bot = dit.bottom();
+       CoordCache::InnerParPosCache const & cache =
+               theCoords.getParPos().find(bot.text())->second;
+       CoordCache::InnerParPosCache::const_iterator it = cache.find(bot.pit());
+       if (it == cache.end()) {
+               //lyxerr << "cursor out of view" << std::endl;
+               return Point(-1, -1);
+       }
+       Point p = coordOffset(dit, boundary); // offset from outer paragraph
+       p.y_ += it->second.y_;
+       return p;
 }
 
 
-void Tex(BufferView * bv)
+// this could be used elsewhere as well?
+CurStatus status(BufferView const * bv, DocIterator const & dit)
 {
-       LyXFont font(LyXFont::ALL_IGNORE);
-       font.setLatex (LyXFont::TOGGLE);
-       ToggleAndShow(bv, font);
-}
-
+       CoordCache::InnerParPosCache const & cache = theCoords.getParPos().find(dit.bottom().text())->second;
 
-// Change environment depth.
-// if decInc >= 0, increment depth
-// if decInc <  0, decrement depth
-void changeDepth(BufferView * bv, int decInc)
-{
-       if (!bv->available()) return;
-       
-       bv->hideCursor();
-       bv->update(-2);
-       if (decInc >= 0)
-               bv->text->IncDepth();
+       if (cache.find(dit.bottom().pit()) != cache.end())
+               return CUR_INSIDE;
+       else if (dit.bottom().pit() < bv->anchor_ref())
+               return CUR_ABOVE;
        else
-               bv->text->DecDepth();
-       bv->update(1);
-       bv->owner()->getMiniBuffer()
-               ->Set(_("Changed environment depth"
-                       " (in possible range, maybe not)"));
+               return CUR_BELOW;
 }
 
+namespace {
 
-void Free(BufferView * bv)
+bool findNextInset(DocIterator & dit,
+                  vector<InsetBase_code> const & codes,
+                  string const & contents)
 {
-       ToggleAndShow(bv, UserFreeFont());
-}
-
-
-// How should this actually work? Should it prohibit input in all BufferViews,
-// or just in the current one? If "just the current one", then it should be
-// placed in BufferView. If "all BufferViews" then LyXGUI (I think) should
-// run "ProhibitInput" on all LyXViews which will run prohibitInput on all
-// BufferViews. Or is it perhaps just the (input in) BufferViews in the
-// current LyxView that should be prohibited (Lgb) (This applies to
-// "AllowInput" as well.)
-void ProhibitInput(BufferView * bv)
-{
-       bv->hideCursor();
-
-       static Cursor cursor;
-       static bool cursor_undefined = true;
-   
-       if (cursor_undefined){
-               cursor = XCreateFontCursor(fl_display, XC_watch);
-               XFlush(fl_display);
-               cursor_undefined = false;
+       DocIterator tmpdit = dit;
+
+       while (tmpdit) {
+               InsetBase const * inset = tmpdit.nextInset();
+               if (inset
+                   && find(codes.begin(), codes.end(), inset->lyxCode()) != codes.end()
+                   && (contents.empty() ||
+                       static_cast<InsetCommand const *>(inset)->getContents() == contents)) {
+                       dit = tmpdit;
+                       return true;
+               }
+               tmpdit.forwardInset();
        }
-   
-       /* set the cursor to the watch for all forms and the canvas */ 
-       XDefineCursor(fl_display, bv->owner()->getForm()->window, 
-                     cursor);
-       if (fd_form_paragraph->form_paragraph->visible)
-               XDefineCursor(fl_display,
-                             fd_form_paragraph->form_paragraph->window,
-                             cursor);
-       if (fd_form_character->form_character->visible)
-               XDefineCursor(fl_display,
-                             fd_form_character->form_character->window,
-                             cursor);
-
-       XFlush(fl_display);
-       fl_deactivate_all_forms();
-}
-
 
-void AllowInput(BufferView * bv)
-{
-       /* reset the cursor from the watch for all forms and the canvas */
-   
-       XUndefineCursor(fl_display, bv->owner()->getForm()->window);
-       if (fd_form_paragraph->form_paragraph->visible)
-               XUndefineCursor(fl_display,
-                               fd_form_paragraph->form_paragraph->window);
-       if (fd_form_character->form_character->visible)
-               XUndefineCursor(fl_display,
-                               fd_form_character->form_character->window);
-
-       XFlush(fl_display);
-       fl_activate_all_forms();
+       return false;
 }
 
-
-void Code(BufferView * bv)
-{
-       LyXFont font(LyXFont::ALL_IGNORE);
-       font.setFamily(LyXFont::TYPEWRITER_FAMILY); // no good
-       ToggleAndShow(bv, font);
-}
+} // namespace anon
 
 
-void Sans(BufferView * bv)
+bool findInset(DocIterator & dit, vector<InsetBase_code> const & codes,
+              bool same_content)
 {
-       LyXFont font(LyXFont::ALL_IGNORE);
-       font.setFamily(LyXFont::SANS_FAMILY);
-       ToggleAndShow(bv, font);
-}
-
+       string contents;
+       DocIterator tmpdit = dit;
+       tmpdit.forwardInset();
+
+       if (same_content) {
+               InsetBase const * inset = tmpdit.nextInset();
+               if (inset
+                   && find(codes.begin(), codes.end(), inset->lyxCode()) != codes.end()) {
+                       contents = static_cast<InsetCommand const *>(inset)->getContents();
+               }
+       }
 
-void Roman(BufferView * bv)
-{
-       LyXFont font(LyXFont::ALL_IGNORE);
-       font.setFamily(LyXFont::ROMAN_FAMILY);
-       ToggleAndShow(bv, font);
+       if (!findNextInset(tmpdit, codes, contents)) {
+               if (dit.depth() != 1 || dit.pit() != 0 || dit.pos() != 0) {
+                       tmpdit  = doc_iterator_begin(tmpdit.bottom().inset());
+                       if (!findNextInset(tmpdit, codes, contents)) {
+                               return false;
+                       }
+               } else
+                       return false;
+       }
+       
+       dit = tmpdit;
+       return true;
 }
 
 
-void StyleReset(BufferView * bv)
+void findInset(DocIterator & dit, InsetBase_code code, bool same_content)
 {
-       LyXFont font(LyXFont::ALL_INHERIT, ignore_language);
-       ToggleAndShow(bv, font);
+       findInset(dit, vector<InsetBase_code>(1, code), same_content);
 }
 
 
-void Underline(BufferView * bv)
+void gotoInset(BufferView * bv, vector<InsetBase_code> const & codes,
+              bool same_content)
 {
-       LyXFont font(LyXFont::ALL_IGNORE);
-       font.setUnderbar(LyXFont::TOGGLE);
-       ToggleAndShow(bv, font);
-}
-
+       LCursor tmpcur = bv->cursor();
+       if (!findInset(tmpcur, codes, same_content)) {
+               bv->cursor().message(_("No more insets"));
+               return;
+       }
 
-void FontSize(BufferView * bv, string const & size)
-{
-       LyXFont font(LyXFont::ALL_IGNORE);
-       font.setGUISize(size);
-       ToggleAndShow(bv, font);
+       tmpcur.clearSelection();
+       bv->setCursor(tmpcur);
 }
 
 
-/* -------> Returns the current font and depth by printing a message. In the
- * future perhaps we could try to implement a callback to the button-bar.
- * That is, `light' the bold button when the font is currently bold, etc.
- */
-string CurrentState(BufferView * bv)
+void gotoInset(BufferView * bv, InsetBase_code code, bool same_content)
 {
-       string state;
-       if (bv->available()) { 
-               // I think we should only show changes from the default
-               // font. (Asger)
-               Buffer * buffer = bv->buffer();
-               LyXFont font = bv->text->real_current_font;
-               LyXFont const & defaultfont =
-                       textclasslist
-                       .TextClass(buffer->params.textclass)
-                       .defaultfont();
-               font.reduce(defaultfont);
-               state = _("Font: ") + font.stateText(&buffer->params);
-               // The paragraph depth
-               int depth = bv->text->GetDepth();
-               if (depth > 0) 
-                       state += string(_(", Depth: ")) + tostr(depth);
-               // The paragraph spacing, but only if different from
-               // buffer spacing.
-               if (!bv->text->cursor.par->spacing.isDefault()) {
-                       Spacing::Space cur_space =
-                               bv->text->cursor.par->spacing.getSpace();
-                       state += _(", Spacing: ");
-                       switch (cur_space) {
-                       case Spacing::Single:
-                               state += _("Single");
-                               break;
-                       case Spacing::Onehalf:
-                               state += _("Onehalf");
-                               break;
-                       case Spacing::Double:
-                               state += _("Double");
-                               break;
-                       case Spacing::Other:
-                               state += _("Other (");
-                               state += tostr(bv->text->cursor.par->spacing.getValue());
-                               state += ")";
-                               break;
-                       case Spacing::Default:
-                               // should never happen, do nothing
-                               break;
-                       }
-               }
-       }
-       return state;
+       gotoInset(bv, vector<InsetBase_code>(1, code), same_content);
 }
 
 
-/* -------> Does the actual toggle job of the XxxCB() calls above.
- * Also shows the current font state.
- */
-void ToggleAndShow(BufferView * bv, LyXFont const & font)
-{
-       if (bv->available()) { 
-               bv->hideCursor();
-               bv->update(-2);
-               if (bv->the_locking_inset)
-                       bv->the_locking_inset->SetFont(bv, font, toggleall);
-               else
-                       bv->text->ToggleFree(font, toggleall);
-               bv->update(1);
-
-               if (font.language() != ignore_language ||
-                   font.latex() != LyXFont::IGNORE) {
-                       LyXText * text = bv->text;
-                       LyXCursor & cursor = text->cursor;
-                       text->ComputeBidiTables(cursor.row);
-                       if (cursor.boundary != 
-                           text->IsBoundary(cursor.par, cursor.pos,
-                                            text->real_current_font) )
-                               text->SetCursor(cursor.par, cursor.pos,
-                                               false, !cursor.boundary);
-               }
-       }
-}
+} // namespace bv_funcs