/*
* File: formula.h
* Purpose: Implementation of formula inset
* Author: Alejandro Aguilar Sierra <[email protected]>
* Created: January 1996
* Description: Allows the edition of math paragraphs inside Lyx.
*
* Copyright: (c) 1996-1998 Alejandro Aguilar Sierra
*
* Version: 0.4, Lyx project.
*
* You are free to use and modify this code under the terms of
* the GNU General Public Licence version 2 or later.
*/
#include <config.h>
#include <stdlib.h>
#ifdef __GNUG__
#pragma implementation "formula.h"
#endif
#include "formula.h"
#include "commandtags.h"
#include "math_cursor.h"
#include "math_parser.h"
#include "lyx_main.h"
#include "bufferlist.h"
#include "lyx_cb.h"
#include "minibuffer.h"
#include "BufferView.h"
#include "lyxscreen.h"
#include "lyxdraw.h"
#include "lyxtext.h"
#include "gettext.h"
#include "LaTeXFeatures.h"
#include "error.h"
#include "lyx_gui_misc.h"
// $Id: formula.C,v 1.6 1998/10/20 09:35:25 lasgoutt Exp $
#if !defined(lint) && !defined(WITH_WARNINGS)
static char vcid[] = "$Id: formula.C,v 1.6 1998/10/20 09:35:25 lasgoutt Exp $";
#endif /* lint */
extern void UpdateInset(Inset* inset, bool mark_dirty = true);
extern void LockedInsetStoreUndo(Undo::undo_kind);
extern MiniBuffer *minibuffer;
extern void ShowLockedInsetCursor(long, long, int, int);
extern void HideLockedInsetCursor(long, long, int, int);
extern void FitLockedInsetCursor(long, long, int, int);
extern int LockInset(UpdatableInset*);
extern int UnlockInset(UpdatableInset*);
extern GC canvasGC, mathGC, mathLineGC, latexGC, cursorGC, mathFrameGC;
extern char *mathed_label;
extern int mono_video;
extern int fast_selection;
extern BufferView *current_view;
extern BufferList bufferlist;
extern char const *latex_special_chars;
short greek_kb_flag = 0;
LyXFont *Math_Fonts = NULL; // this is only used by Whichfont and mathed_init_fonts (Lgb)
static LyXFont::FONT_SIZE lfont_size = LyXFont::SIZE_NORMAL;
// local global
static int sel_x, sel_y;
static bool sel_flag;
MathedCursor* InsetFormula::mathcursor = NULL;
int MathedInset::df_asc;
int MathedInset::df_des;
int MathedInset::df_width;
// wrong name on this one should be called "IsAscii"
inline bool IsAlpha(char c)
{
return ('A' <= c && c<='Z' || 'a' <= c && c<='z');
}
inline bool IsDigit(char c)
{
return ('0' <= c && c <='9');
}
inline bool IsMacro(short token, int id)
{
return (token!=LM_TK_FRAC && token!=LM_TK_SQRT &&
!((token==LM_TK_SYM || token==LM_TC_BSYM) && id<255));
}
void mathedValidate(LaTeXFeatures &features, MathParInset *par);
LyXFont WhichFont(short type, int size)
{
LyXFont f;
if (!Math_Fonts)
mathed_init_fonts();
switch (type) {
case LM_TC_SYMB:
f = Math_Fonts[2];
break;
case LM_TC_BSYM:
f = Math_Fonts[2];
break;
case LM_TC_VAR:
case LM_TC_IT:
f = Math_Fonts[0];
break;
case LM_TC_BF:
f = Math_Fonts[3];
break;
case LM_TC_SF:
f = Math_Fonts[7];
break;
case LM_TC_CAL:
f = Math_Fonts[4];
break;
case LM_TC_TT:
f = Math_Fonts[5];
break;
case LM_TC_SPECIAL: //f = Math_Fonts[0]; break;
case LM_TC_TEXTRM:
case LM_TC_RM:
f = Math_Fonts[6];
break;
default:
f = Math_Fonts[1];
break;
}
f.setSize(lfont_size);
switch (size) {
case LM_ST_DISPLAY:
if (type==LM_TC_BSYM) {
f.incSize();
f.incSize();
}
break;
case LM_ST_TEXT:
break;
case LM_ST_SCRIPT:
f.decSize();
break;
case LM_ST_SCRIPTSCRIPT:
f.decSize();
f.decSize();
break;
default:
fprintf(stderr, "Mathed Error: wrong font size: %d\n", size);
break;
}
if (type!=LM_TC_TEXTRM)
f.setColor(LyXFont::MATH);
return f;
}
void mathed_init_fonts() //removed 'static' because DEC cxx does not
//like it (JMarc)
{
Math_Fonts = new LyXFont[8]; //DEC cxx cannot initialize all fonts
//at once (JMarc) rc
for (int i=0 ; i<8 ; i++){
Math_Fonts[i] = LyXFont::ALL_SANE;
}
Math_Fonts[0].setShape(LyXFont::ITALIC_SHAPE);
Math_Fonts[1].setFamily(LyXFont::SYMBOL_FAMILY);
Math_Fonts[2].setFamily(LyXFont::SYMBOL_FAMILY);
Math_Fonts[2].setShape(LyXFont::ITALIC_SHAPE);
Math_Fonts[3].setSeries(LyXFont::BOLD_SERIES);
Math_Fonts[4].setFamily(LyXFont::SANS_FAMILY);
Math_Fonts[4].setShape(LyXFont::ITALIC_SHAPE);
Math_Fonts[5].setFamily(LyXFont::TYPEWRITER_FAMILY);
Math_Fonts[6].setFamily(LyXFont::ROMAN_FAMILY);
Math_Fonts[7].setFamily(LyXFont::SANS_FAMILY);
LyXFont f = WhichFont(LM_TC_VAR, LM_ST_TEXT);
MathedInset::df_asc = f.maxAscent();
MathedInset::df_des = f.maxDescent();
MathedInset::df_width = f.width('I');
}
void mathed_set_font(short type, int size)
{
if (!canvasGC) {
cursorGC = getGC(gc_thin_on_off_line);
canvasGC = getGC(gc_lighted);
latexGC = getGC(gc_latex);
mathLineGC = getGC(gc_math);
mathFrameGC = getGC(gc_math_frame);
}
LyXFont f = WhichFont(type, size);
if (type==LM_TC_TEX) {
f.setLatex(LyXFont::ON);
latexGC = f.getGC();
} else
mathGC = f.getGC();
}
int mathed_string_width(short type, int size, byte const* s, int ls)
{
LyXFont f = WhichFont(type, size);
byte sx[80];
if (MathIsBinary(type)) {
byte *ps = &sx[0];
for (int i=0; i<ls && i<75; i++) {
*(ps++) = ' ';
*(ps++) = s[i];
*(ps++) = ' ';
}
*(ps++) = '\0';
ls = 3*ls;
s = &sx[0];
}
return f.textWidth((const char*)s, ls);;
}
int mathed_char_width(short type, int size, byte c)
{
int t= (MathIsBinary(type)) ? mathed_string_width(type, size, &c, 1):
WhichFont(type, size).width(c);
return t;
}
int mathed_string_height(short type, int size, byte const * s, int ls, int& asc, int& des)
{
LyXFont font = WhichFont(type, size);
asc = des = 0;
for (int i=0; i<ls; i++) {
if (font.descent(s[i]) > des)
des = font.descent(s[i]);
if (font.ascent(s[i]) > asc)
asc = font.ascent(s[i]);
}
return asc+des;
}
int mathed_char_height(short type, int size, byte c, int& asc, int& des)
{
LyXFont font = WhichFont(type, size);
asc = des = 0;
des = font.descent(c);
asc = font.ascent(c);
return asc+des;
}
// In a near future maybe we use a better fonts renderer
void MathedInset::drawStr(short type, int size, int x, int y, byte* s, int ls)
{
mathed_set_font(type, size);
byte sx[80];
if (MathIsBinary(type)) {
byte *ps = &sx[0];
for (int i=0; i<ls && i < 75; i++) {
*(ps++) = ' ';
*(ps++) = s[i];
*(ps++) = ' ';
}
// *ps = ' ';
ls = 3*ls;
s = &sx[0];
}
GC gc = (type==LM_TC_TEX) ? latexGC: mathGC;
XDrawString(fl_display, pm, gc, x, y, (char*)s, ls);
XFlush(fl_display);
}
InsetFormula::InsetFormula(bool display)
{
par = new MathParInset; // this leaks
// mathcursor = NULL;
disp_flag = display;
//label = NULL;
if (disp_flag) {
par->SetType(LM_OT_PAR);
par->SetStyle(LM_ST_DISPLAY);
}
}
InsetFormula::InsetFormula(MathParInset *p)
{
par = (p->GetType()>=LM_OT_MPAR) ?
new MathMatrixInset((MathMatrixInset*)p):
new MathParInset(p);
// mathcursor = NULL;
disp_flag = (par->GetType()>0);
//label = NULL;
}
InsetFormula::~InsetFormula()
{
delete par;
//if (label) delete label;
}
Inset* InsetFormula::Clone()
{
InsetFormula* f = new InsetFormula(par);
f->label = label;
return (Inset*)f;
}
void InsetFormula::Write(FILE *file)
{
fprintf(file, "Formula ");
Latex(file, 0);
}
int InsetFormula::Latex(FILE *file, signed char fragile)
{
int ret = 0;
//#warning Alejandro, the number of lines is not returned in this case
// This problem will disapear at 0.13.
LString output;
InsetFormula::Latex(output, fragile);
fprintf(file, "%s", output.c_str());
return ret;
}
int InsetFormula::Latex(LString &file, signed char fragile)
{
int ret = 0;
//#warning Alejandro, the number of lines is not returned in this case
// This problem will disapear at 0.13.
if (fragile < 0)
par->Write(file);
else
mathed_write(par, file, &ret, fragile, label.c_str());
return ret;
}
int InsetFormula::Linuxdoc(LString &/*file*/)
{
return 0;
}
// Check if uses AMS macros
void InsetFormula::Validate(LaTeXFeatures &features) const
{
// Validation only necesary if not using an AMS Style
if (!features.amsstyle)
mathedValidate(features, par);
}
void InsetFormula::Read(LyXLex &lex)
{
FILE *file = lex.getFile();
mathed_parser_file(file, lex.GetLineNo());
// Silly hack to read labels.
mathed_label = NULL;
mathed_parse(0, NULL, &par);
par->Metrics();
disp_flag = (par->GetType()>0);
// Update line number
lex.setLineNo(mathed_parser_lineno());
if (mathed_label) {
label = mathed_label;
mathed_label = NULL;
}
#ifdef DEBUG
Write(stdout);
fflush(stdout);
#endif
}
int InsetFormula::Ascent(LyXFont const &) const
{
return par->Ascent() + ((disp_flag) ? 8: 1);
}
int InsetFormula::Descent(LyXFont const &) const
{
return par->Descent() + ((disp_flag) ? 8: 1);
}
int InsetFormula::Width(LyXFont const &f) const
{
lfont_size = f.size();
par->Metrics();
return par->Width(); //+2;
}
void InsetFormula::Draw(LyXFont f, LyXScreen &scr, int baseline, float &x)
{
// This is Alejandros domain so I'll use this
unsigned long pm = scr.getForeground();
lfont_size = f.size();
mathed_set_font(LM_TC_TEXTRM, LM_ST_TEXT); // otherwise a segfault could occur
// in some XDrawRectangles (i.e. matrix) (Matthias)
if (mathcursor && mathcursor->GetPar()==par) {
if (mathcursor->Selection()) {
int n;
XPoint * p = mathcursor->SelGetArea(n);
XFillPolygon(fl_display, pm, getGC(gc_selection), //LyXGetSelectionGC(),
p, n, Nonconvex, CoordModeOrigin);
}
mathcursor->Draw(pm, (int)x, baseline);
} else {
// par->Metrics();
par->setDrawable(pm);
par->Draw((int)x, baseline);
}
x += (float)Width(f);
if (par->GetType()==LM_OT_PARN || par->GetType()==LM_OT_MPARN) {
char s[80];
LyXFont font = WhichFont(LM_TC_BF, par->size);
font.setLatex(LyXFont::OFF);
if (par->GetType()==LM_OT_PARN) {
if (!label.empty())
sprintf(s, "(%s)", label.c_str());
else
sprintf(s, "(#)");
font.drawString(s, pm, baseline, int(x+20));
} else
if (par->GetType()==LM_OT_MPARN) {
MathMatrixInset *mt = (MathMatrixInset*)par;
//int i=0;
int y;
MathedRowSt const* crow = mt->getRowSt();
while (crow) {
y = baseline + crow->getBaseline();
if (crow->isNumbered()) {
if (crow->getLabel())
sprintf(s, "(%s)", crow->getLabel());
else
sprintf(s, "(#)");
font.drawString(s, pm, y, int(x+20));
}
crow = crow->getNext();
}
}
}
cursor_visible = false;
}
void InsetFormula::Edit(int x, int y)
{
mathcursor = new MathedCursor(par);
LockInset(this);
par->Metrics();
UpdateInset(this, false);
x += par->xo;
y += par->yo;
mathcursor->SetPos(x, y);
sel_x = sel_y = 0;
sel_flag = false;
}
void InsetFormula::InsetUnlock()
{
if (mathcursor) {
if (mathcursor->InMacroMode()) {
mathcursor->MacroModeClose();
UpdateLocal();
}
delete mathcursor;
}
mathcursor = NULL;
UpdateInset(this, false);
}
// Now a symbol can be inserted only if the inset is locked
void InsetFormula::InsertSymbol(char const* s)
{
if (!s || !mathcursor) return;
mathcursor->Interpret(s);
UpdateLocal();
}
void InsetFormula::GetCursorPos(int& x, int& y)
{
mathcursor->GetPos(x, y);
x -= par->xo;
y -= par->yo;
}
void InsetFormula::ToggleInsetCursor()
{
if (!mathcursor)
return;
int x, y, asc, desc;
mathcursor->GetPos(x, y);
// x -= par->xo;
y -= par->yo;
LyXFont font = WhichFont(LM_TC_TEXTRM, LM_ST_TEXT);
asc = font.maxAscent();
desc = font.maxDescent();
if (cursor_visible)
HideLockedInsetCursor(x, y, asc, desc);
else
ShowLockedInsetCursor(x, y, asc, desc);
cursor_visible = !cursor_visible;
}
void InsetFormula::ShowInsetCursor(){
if (!cursor_visible){
int x, y, asc, desc;
if (mathcursor){
mathcursor->GetPos(x, y);
// x -= par->xo;
y -= par->yo;
LyXFont font = WhichFont(LM_TC_TEXTRM, LM_ST_TEXT);
asc = font.maxAscent();
desc = font.maxDescent();
FitLockedInsetCursor(x, y, asc, desc);
}
ToggleInsetCursor();
}
}
void InsetFormula::HideInsetCursor(){
if (cursor_visible)
ToggleInsetCursor();
}
void InsetFormula::ToggleInsetSelection()
{
if (!mathcursor)
return;
// int x, y, w, h;
//int n;
//XPoint * p =
//mathcursor->SelGetArea(n);
// XFillPolygon(fl_display, pm, LyXGetSelectionGC(), p, n, Nonconvex, CoordModeOrigin);
// x -= par->xo;
// y -= par->yo;
UpdateInset(this, false);
}
void InsetFormula::SetDisplay(bool dspf)
{
if (dspf!=disp_flag) {
if (dspf) {
par->SetType(LM_OT_PAR);
par->SetStyle(LM_ST_DISPLAY);
} else {
if (par->GetType()>=LM_OT_MPAR) {
MathParInset *p = new MathParInset(par);
delete par;
par = p;
if (mathcursor)
mathcursor->SetPar(par);
}
par->SetType(LM_OT_MIN);
par->SetStyle(LM_ST_TEXT);
if (!label.empty() && par->GetType()!=LM_OT_MPARN) {
label.clean();
}
}
disp_flag = dspf;
}
}
int InsetFormula::GetNumberOfLabels() const
{
// This is dirty, I know. I'll clean it at 0.13
if (par->GetType()==LM_OT_MPARN) {
MathMatrixInset *mt = (MathMatrixInset*)par;
int nl=0;
MathedRowSt const* crow = mt->getRowSt();
while (crow) {
if (crow->getLabel()) nl++;
crow = crow->getNext();
}
return nl;
} else
if (!label.empty())
return 1;
else
return 0;
}
LString InsetFormula::getLabel(int il) const
{
//#warning This is dirty, I know. Ill clean it at 0.11
// Correction, the only way to clean this is with a new kernel: 0.13.
if (par->GetType()==LM_OT_MPARN) {
LString label;
MathMatrixInset *mt = (MathMatrixInset*)par;
int nl=0;
MathedRowSt const* crow = mt->getRowSt();
while (crow) {
if (crow->getLabel()) {
if (nl==il) {
label = crow->getLabel();
break;
}
nl++;
}
crow = crow->getNext();
}
return label;
}
return label;
}
void InsetFormula::UpdateLocal()
{
par->Metrics(); // To inform lyx kernel the exact size
// (there were problems with arrays).
UpdateInset(this);
}
void InsetFormula::InsetButtonRelease(int x, int y, int /*button*/)
{
HideInsetCursor();
x += par->xo;
y += par->yo;
mathcursor->SetPos(x, y);
ShowInsetCursor();
if (sel_flag) {
sel_flag = false;
sel_x = sel_y = 0;
UpdateInset(this,false);
}
}
void InsetFormula::InsetButtonPress(int x, int y, int /*button*/)
{
sel_flag = false;
sel_x = x; sel_y = y;
if (mathcursor->Selection()) {
mathcursor->SelClear();
UpdateInset(this, false);
}
}
void InsetFormula::InsetMotionNotify(int x, int y, int /*button*/)
{
if (sel_x && sel_y && abs(x-sel_x)>4 && !sel_flag) {
sel_flag = true;
HideInsetCursor();
mathcursor->SetPos(sel_x + par->xo, sel_y + par->yo);
mathcursor->SelStart();
ShowInsetCursor();
mathcursor->GetPos(sel_x, sel_y);
} else
if (sel_flag) {
HideInsetCursor();
x += par->xo;
y += par->yo;
mathcursor->SetPos(x, y);
ShowInsetCursor();
mathcursor->GetPos(x, y);
if (sel_x!=x || sel_y!=y)
UpdateInset(this, false);
sel_x = x; sel_y = y;
}
}
void InsetFormula::InsetKeyPress(XKeyEvent *)
{
lyxerr.debug("Used InsetFormula::InsetKeyPress.", Error::MATHED);
}
// Special Mathed functions
bool InsetFormula::SetNumber(bool numbf)
{
if (disp_flag) {
short type = par->GetType();
bool oldf = (type==LM_OT_PARN || type==LM_OT_MPARN);
if (numbf && !oldf) type++;
if (!numbf && oldf) type--;
par->SetType(type);
return oldf;
} else
return false;
}
bool InsetFormula::LocalDispatch(int action, char const *arg)
{
// extern char *dispatch_result;
MathedTextCodes varcode = LM_TC_MIN;
bool was_macro = mathcursor->InMacroMode();
bool sel=false;
bool space_on = false;
bool was_selection = mathcursor->Selection();
bool result = true;
static MathSpaceInset* sp=NULL;
HideInsetCursor();
if (mathcursor->Selection() && (fast_selection || mono_video)) ToggleInsetSelection();
if (mathcursor->getLastCode()==LM_TC_TEX) {
varcode = LM_TC_TEX;
}
switch (action) {
// --- Cursor Movements ---------------------------------------------
case LFUN_RIGHTSEL: sel = true;
case LFUN_RIGHT:
{
result = mathcursor->Right(sel);
break;
}
case LFUN_LEFTSEL: sel = true;
case LFUN_LEFT:
{
result = mathcursor->Left(sel);
break;
}
case LFUN_UPSEL: sel = true;
case LFUN_UP:
result = mathcursor->Up(sel);
break;
case LFUN_DOWNSEL: sel = true;
case LFUN_DOWN:
result = mathcursor->Down(sel);
break;
case LFUN_HOME:
mathcursor->Home();
break;
case LFUN_END:
mathcursor->End();
break;
case LFUN_DELETE_LINE_FORWARD:
//LockedInsetStoreUndo(Undo::INSERT);
LockedInsetStoreUndo(Undo::DELETE);
mathcursor->DelLine();
UpdateLocal();
break;
case LFUN_BREAKLINE:
LockedInsetStoreUndo(Undo::INSERT);
mathcursor->Insert(' ', LM_TC_CR);
par = mathcursor->GetPar();
UpdateLocal();
break;
case LFUN_TAB:
LockedInsetStoreUndo(Undo::INSERT);
mathcursor->Insert(0, LM_TC_TAB);
//UpdateInset(this);
break;
case LFUN_TABINSERT:
LockedInsetStoreUndo(Undo::INSERT);
mathcursor->Insert('T', LM_TC_TAB);
UpdateLocal();
break;
case LFUN_BACKSPACE:
if (!mathcursor->Left())
break;
if (mathcursor->pullArg()) {
UpdateInset(this);
break;
}
case LFUN_DELETE:
//LockedInsetStoreUndo(Undo::INSERT);
LockedInsetStoreUndo(Undo::DELETE);
mathcursor->Delete();
UpdateInset(this);
break;
// case LFUN_GETXY:
// sprintf(dispatch_buffer, "%d %d",);
// dispatch_result = dispatch_buffer;
// break;
case LFUN_SETXY:
{
int x, y, x1, y1;
sscanf(arg, "%d %d", &x, &y);
par->GetXY(x1, y1);
mathcursor->SetPos(x1+x, y1+y);
}
break;
/* cursor selection ---------------------------- */
case LFUN_PASTE:
if (was_macro)
mathcursor->MacroModeClose();
LockedInsetStoreUndo(Undo::INSERT);
mathcursor->SelPaste(); UpdateLocal(); break;
case LFUN_CUT:
LockedInsetStoreUndo(Undo::DELETE);
mathcursor->SelCut(); UpdateLocal(); break;
case LFUN_COPY: mathcursor->SelCopy(); break;
case LFUN_HOMESEL:
case LFUN_ENDSEL:
case LFUN_WORDRIGHTSEL:
case LFUN_WORDLEFTSEL:
break;
// --- accented characters ------------------------------
case LFUN_UMLAUT: mathcursor->setAccent(LM_ddot); break;
case LFUN_CIRCUMFLEX: mathcursor->setAccent(LM_hat); break;
case LFUN_GRAVE: mathcursor->setAccent(LM_grave); break;
case LFUN_ACUTE: mathcursor->setAccent(LM_acute); break;
case LFUN_TILDE: mathcursor->setAccent(LM_tilde); break;
case LFUN_MACRON: mathcursor->setAccent(LM_bar); break;
case LFUN_DOT: mathcursor->setAccent(LM_dot); break;
case LFUN_CARON: mathcursor->setAccent(LM_check); break;
case LFUN_BREVE: mathcursor->setAccent(LM_breve); break;
case LFUN_VECTOR: mathcursor->setAccent(LM_vec); break;
// Greek mode
case LFUN_GREEK:
{
if (!greek_kb_flag) {
greek_kb_flag = 1;
minibuffer->Set(_("Math greek mode on"));
} else
greek_kb_flag = 0;
break;
}
// Greek keyboard
case LFUN_GREEK_TOGGLE:
{
greek_kb_flag = (greek_kb_flag) ? 0: 2;
if (greek_kb_flag)
minibuffer->Set(_("Math greek keyboard on"));
else
minibuffer->Set(_("Math greek keyboard off"));
break;
}
// Math fonts
case LFUN_BOLD: mathcursor->setLastCode(LM_TC_BF); break;
case LFUN_SANS: mathcursor->setLastCode( LM_TC_SF); break;
case LFUN_EMPH: mathcursor->setLastCode(LM_TC_CAL); break;
case LFUN_ROMAN: mathcursor->setLastCode(LM_TC_RM); break;
case LFUN_CODE: mathcursor->setLastCode(LM_TC_TT); break;
case LFUN_DEFAULT: varcode = LM_TC_VAR; break;
case LFUN_TEX:
{
// varcode = LM_TC_TEX;
mathcursor->setLastCode(LM_TC_TEX);
minibuffer->Set(_("TeX mode"));
break;
}
case LFUN_MATH_NUMBER:
{
LockedInsetStoreUndo(Undo::INSERT);
if (disp_flag) {
short type = par->GetType();
bool oldf = (type==LM_OT_PARN || type==LM_OT_MPARN);
if (oldf) {
type--;
if (!label.empty()) {
label.clean();
}
minibuffer->Set(_("No number"));
} else {
type++;
minibuffer->Set(_("Number"));
}
par->SetType(type);
UpdateLocal();
}
break;
}
case LFUN_MATH_NONUMBER:
{
if (par->GetType()==LM_OT_MPARN) {
// MathMatrixInset *mt = (MathMatrixInset*)par;
//BUG
// mt->SetNumbered(!mt->IsNumbered());
mathcursor->setNumbered();
UpdateLocal();
}
break;
}
case LFUN_MATH_LIMITS:
{
LockedInsetStoreUndo(Undo::INSERT);
if (mathcursor->Limits())
UpdateLocal();
}
case LFUN_MATH_SIZE:
if (arg) {
latexkeys *l = in_word_set (arg, strlen(arg));
int sz = (l) ? l->id: -1;
mathcursor->SetSize(sz);
UpdateLocal();
break;
}
case LFUN_INSERT_MATH:
{
LockedInsetStoreUndo(Undo::INSERT);
InsertSymbol(arg);
break;
}
case LFUN_INSERT_MATRIX:
{
LockedInsetStoreUndo(Undo::INSERT);
int k, m, n;
char s[80], arg2[80];
// This is just so that too long args won't ooze out of s.
strncpy(arg2,arg,80); arg2[79]=(char)0;
k = sscanf(arg2, "%d %d %s", &m, &n, s);
s[79] = (char)0;
if (k<1) {
m = n = 1;
} else if (k==1) {
n = 1;
}
MathMatrixInset *p = new MathMatrixInset(m, n);
if (mathcursor && p) {
if (k>2 && (int)strlen(s)>m)
p->SetAlign(s[0], &s[1]);
mathcursor->Insert(p, LM_TC_ACTIVE_INSET);
UpdateLocal();
}
break;
}
case LFUN_MATH_DELIM:
{
LockedInsetStoreUndo(Undo::INSERT);
char lf[40], rg[40], arg2[40];
int ilf = '(', irg = '.';
latexkeys *l;
LString vdelim("(){}[]./|");
if (!arg) break;
strncpy(arg2,arg,40); arg2[39]=(char)0;
int n = sscanf(arg2, "%s %s", lf, rg);
lf[39] = (char)0; rg[39] = (char)0;
if (n>0) {
if (IsDigit(lf[0]))
ilf = atoi(lf);
else
if (lf[1]) {
l = in_word_set(lf, strlen(lf));
// Long words will cause l==0; so check.
if(l) ilf = l->id;
} else
if (vdelim.charPos(lf[0])>=0)
ilf = lf[0];
if (n>1) {
if (IsDigit(rg[0]))
irg = atoi(rg);
else
if (rg[1]) {
l = in_word_set(rg, strlen(rg));
if(l) irg = l->id;
} else
if (vdelim.charPos(rg[0])>=0)
irg = rg[0];
}
}
MathDelimInset* p = new MathDelimInset(ilf, irg);
mathcursor->Insert(p, LM_TC_ACTIVE_INSET);
UpdateLocal();
break;
}
case LFUN_PROTECTEDSPACE:
{
LockedInsetStoreUndo(Undo::INSERT);
sp = new MathSpaceInset(1);
mathcursor->Insert(sp);
space_on = true;
UpdateLocal();
break;
}
case LFUN_INSERT_LABEL:
{
LockedInsetStoreUndo(Undo::INSERT);
if (par->GetType()<LM_OT_PAR) break;
LString lb = arg;
if (lb.empty())
lb = LString(askForText(_("Enter new label to insert:"),""));
if (!lb.empty() && lb[0]> ' ') {
SetNumber(true);
if (par->GetType()==LM_OT_MPARN) {
mathcursor->setLabel(lb.c_str());
// MathMatrixInset *mt = (MathMatrixInset*)par;
// mt->SetLabel(lb);
} else {
//if (label.notEmpty()) delete label;
label = lb;
}
UpdateLocal();
} else
label.clean();
//label = NULL;
break;
}
case LFUN_MATH_DISPLAY:
//LockedInsetStoreUndo(Undo::INSERT);
LockedInsetStoreUndo(Undo::EDIT);
SetDisplay(!disp_flag);
UpdateLocal();
break;
// Invalid actions under math mode
case LFUN_MATH_MODE:
{
if (mathcursor->getLastCode()!=LM_TC_TEXTRM) {
minibuffer->Set(_("math text mode"));
varcode = LM_TC_TEXTRM;
} else {
varcode = LM_TC_VAR;
}
mathcursor->setLastCode(varcode);
break;
}
case LFUN_UNDO:
minibuffer->Set(_("Invalid action in math mode!"));
break;
//------- dummy actions
case LFUN_EXEC_COMMAND:
minibuffer->ExecCommand();
break;
default:
if ((action==-1 || action==LFUN_SELFINSERT) && arg) {
char c = arg[0];
LockedInsetStoreUndo(Undo::INSERT);
if (c==' ' && mathcursor->getAccent()==LM_hat) {
c = '^';
mathcursor->setAccent(0);
}
if (c==0) { // Dead key, do nothing
//fprintf(stderr, "deadkey");
break;
}
if ('A' <= c && c<='Z' || 'a' <= c && c<='z') {
if (mathcursor->getLastCode()==LM_TC_TEX) {
mathcursor->MacroModeOpen();
mathcursor->clearLastCode();
varcode = LM_TC_MIN;
} else
if (!varcode) {
short f = (mathcursor->getLastCode()) ?
mathcursor->getLastCode():
(MathedTextCodes)mathcursor->GetFCode();
varcode = MathIsAlphaFont(f) ? (MathedTextCodes)f:LM_TC_VAR;
}
// fprintf(stderr, "Varcode %d ", varcode);
mathcursor->Insert(c, (greek_kb_flag) ? LM_TC_SYMB: varcode);
varcode = LM_TC_MIN;
if (greek_kb_flag<2) greek_kb_flag = 0;
} else
if (strchr("!,:;{}", c) && (varcode==LM_TC_TEX||was_macro)) {
mathcursor->Insert(c, LM_TC_TEX);
if (c=='{') {
mathcursor->Insert('}', LM_TC_TEX);
mathcursor->Left();
}
mathcursor->clearLastCode();
// varcode = LM_TC_MIN;
} else
if (c=='_' && varcode==LM_TC_TEX) {
mathcursor->Insert(c, LM_TC_SPECIAL);
mathcursor->clearLastCode();
// varcode = LM_TC_MIN;
} else
if (('0'<=c && c<='9') && (varcode==LM_TC_TEX||was_macro)) {
mathcursor->MacroModeOpen();
mathcursor->clearLastCode();
mathcursor->Insert(c, LM_TC_MIN);
}
else
if (('0'<=c && c<='9') || strchr(";:!|[]().,?", c))
mathcursor->Insert(c, LM_TC_CONST);
else
if (strchr("+/-*<>=", c))
mathcursor->Insert(c, LM_TC_BOP);
else
if (strchr(latex_special_chars, c) && c!='_')
mathcursor->Insert(c, LM_TC_SPECIAL);
else
if (c=='_' || c=='^') {
char s[2];
s[0] = c;
s[1] = 0;
mathcursor->Interpret (s);
} else
if (c==' ') {
if (!varcode) {
short f = (mathcursor->getLastCode()) ?
mathcursor->getLastCode():
(MathedTextCodes)mathcursor->GetFCode();
varcode = MathIsAlphaFont(f) ? (MathedTextCodes)f:LM_TC_VAR;
}
if (varcode==LM_TC_TEXTRM) {
mathcursor->Insert(c, LM_TC_TEXTRM);
} else
if (was_macro)
mathcursor->MacroModeClose();
else
if (sp) {
int isp = (sp->GetSpace()<5) ? sp->GetSpace()+1: 0;
sp->SetSpace(isp);
space_on = true;
} else {
if (!mathcursor->Pop() && mathcursor->IsEnd())
result = false;
}
} else
if (c=='\'') {
mathcursor->Insert (c, LM_TC_VAR);
} else
if (c=='\\') {
if (was_macro)
mathcursor->MacroModeClose();
minibuffer->Set(_("TeX mode"));
mathcursor->setLastCode(LM_TC_TEX);
}
UpdateLocal();
} else {
// fprintf(stderr, "Closed by action %d\n", action);
result = false;
}
}
if (was_macro!=mathcursor->InMacroMode()&&action>=0&&action!=LFUN_BACKSPACE)
UpdateLocal();
if (sp && !space_on) sp = NULL;
if (mathcursor->Selection() || (was_selection && !(fast_selection || mono_video)))
ToggleInsetSelection();
if (result)
ShowInsetCursor();
else
UnlockInset(this);
return result;
}
void
MathFuncInset::Draw(int x, int y)
{
if (name && name[0]>' ') {
LyXFont font = WhichFont(LM_TC_TEXTRM, size);
font.setLatex(LyXFont::ON);
x += (font.textWidth("I", 1)+3)/4;
if (mono_video) {
int a=font.maxAscent(), d=font.maxDescent();
XFillRectangle (fl_display, pm, getGC(gc_copy),
x, y-a,
font.textWidth(name, strlen(name)), a+d);
XFlush(fl_display);
}
font.drawString(name, pm, y, x);
}
}
void MathFuncInset::Metrics()
{
ln = (name) ? strlen(name): 0;
LyXFont font = WhichFont(LM_TC_TEXTRM, size);
font.setLatex(LyXFont::ON);
width = font.textWidth(name, ln) + font.textWidth("I", 1)/2;
mathed_string_height(LM_TC_TEXTRM, size, (byte const *) name,
strlen(name), ascent, descent);
}
void mathedValidate(LaTeXFeatures &features, MathParInset *par)
{
MathedIter it(par->GetData());
while (it.OK() && !(features.binom && features.boldsymbol)) {
if (it.IsInset()) {
if(it.IsActive()) {
MathParInset *p = it.GetActiveInset();
if (!features.binom && p->GetType()==LM_OT_MACRO &&
strcmp(p->GetName(), "binom")==0) {
features.binom = true;
} else {
for (int i=0; i<=p->getMaxArgumentIdx(); i++) {
p->setArgumentIdx(i);
mathedValidate(features, p);
}
}
} else {
MathedInset* p = it.GetInset();
if (!features.boldsymbol && p->GetName() &&
strcmp(p->GetName(), "boldsymbol")==0) {
features.boldsymbol = true;
}
}
}
it.Next();
}
}
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