/*
-* File: math_cursor.C
-* Purpose: Interaction for mathed
-* Author: Alejandro Aguilar Sierra <asierra@servidor.unam.mx>
-* Created: January 1996
-* Description: Math interaction for a WYSIWYG math editor.
-*
-* Dependencies: Xlib, XForms
-*
-* Copyright: 1996, Alejandro Aguilar Sierra
-*
-* Version: 0.8beta, Mathed & Lyx project.
-*
-* You are free to use and modify this code under the terms of
-* the GNU General Public Licence version 2 or later.
-*/
+ * File: math_cursor.C
+ * Purpose: Interaction for mathed
+
* Author: Alejandro Aguilar Sierra <asierra@servidor.unam.mx>
+ * Created: January 1996
+ * Description: Math interaction for a WYSIWYG math editor.
+ *
+ * Dependencies: Xlib, XForms
+ *
+ * Copyright: 1996, Alejandro Aguilar Sierra
+ *
+ * Version: 0.8beta, Mathed & Lyx project.
+ *
+ * You are free to use and modify this code under the terms of
+ * the GNU General Public Licence version 2 or later.
+ */
#ifdef __GNUG__
#pragma implementation
#include "math_parser.h"
#include "math_cursor.h"
#include "math_macro.h"
+#include "math_macroarg.h"
#include "math_macrotable.h"
#include "math_root.h"
#include "support/lstrings.h"
#include "math_decorationinset.h"
#include "math_dotsinset.h"
#include "math_accentinset.h"
+#include "math_macrotemplate.h"
#include "mathed/support.h"
-static MathedArray selarray;
+
+
using std::endl;
+namespace {
+
+MathedArray selarray;
+
// This was very smaller, I'll change it later
-static inline
+inline
bool IsMacro(short tok, int id)
{
return tok != LM_TK_STACK &&
!(tok == LM_TK_SYM && id < 255);
}
-static int const MAX_STACK_ITEMS = 32;
+int const MAX_STACK_ITEMS = 32;
struct MathStackXIter {
- int i, imax;
- MathedXIter * item;
+public:
+ enum type {MATHSTK, SELSTK};
+
+private:
+ std::vector<MathedXIter> item;
+ int pos_;
+ type id_;
- MathStackXIter(int n = MAX_STACK_ITEMS): imax(n) {
- item = new MathedXIter[imax];
- i = 0;
- }
- MathStackXIter(MathStackXIter & stk);
+public:
- ~MathStackXIter() {
- delete[] item;
+ MathStackXIter(type id)
+ : item(MAX_STACK_ITEMS), pos_(-1), id_(id) {
}
- void push(MathedXIter ** a) {
- *a = &item[i++];
+ MathedXIter * push() {
+ //dump();
+ ++pos_;
+ return &item[pos_];
}
MathedXIter * pop() {
- --i;
- return &item[i - 1];
+ //dump();
+ item[pos_] = MathedXIter();
+ --pos_;
+ return &item[pos_];
}
MathedXIter * Item(int idx) {
- return (idx + 1 <= i) ? &item[i - idx - 1] : 0;
+ if (idx > pos_)
+ lyxerr << "Wrong index: " << idx << " pos_: " << pos_ << endl;
+ return &item[pos_ - idx];
}
void Reset() {
- i = 0;
+ pos_ = -1;
}
bool Full() {
- return i >= MAX_STACK_ITEMS;
+ return pos_ >= MAX_STACK_ITEMS - 2;
}
- bool Empty() {
- return i <= 1;
+ bool empty() {
+ return pos_ <= 0;
}
- int Level() { return i; }
+ MathParInset * outer() {
+ return empty() ? 0 : item[0].getPar();
+ }
+
+ int Level() {
+ return pos_;
+ }
-} mathstk, *selstk = 0;
+ MathParInset * parInset(int i) {
+ return pos_ < 0 ? 0 : item[i].getPar();
+ }
-MathStackXIter::MathStackXIter(MathStackXIter & stk)
+ void dump() {
+ lyxerr << "\n------------- MathStack ------------\n";
+ for (int i = 0; i < pos_ + 3; ++i) {
+ lyxerr << "pos: " << i << " par: "
+ << item[i].getPar() << " data: '"
+ << *item[i].GetData() << "'" << endl;
+ }
+ lyxerr << "------------- MathStack ------------\n";
+ }
+
+};
+
+MathStackXIter mathstk = MathStackXIter(MathStackXIter::MATHSTK);
+MathStackXIter selstk = MathStackXIter(MathStackXIter::SELSTK);
+
+} // namespace anon
+
+
+extern MathedCursor * mathcursor;
+
+bool is_mathcursor_inside(MathParInset * p)
{
- imax = stk.imax;
- item = new MathedXIter[imax];
- i = stk.i;
- for (int k = 0; k < i; ++k) {
- item[k].SetData(stk.item[k].getPar());
- item[k].GoBegin();
- item[k].goPosAbs(stk.item[k].getPos());
+ //lyxerr << "called is_mathcursor_inside: " << p << endl;
+
+ if (!mathcursor) {
+ //lyxerr << " mathcursor not set" << endl;
+ return false;
+ }
+
+ for (int i = 0; i < mathstk.Level(); ++i) {
+ //lyxerr << " level: " << i << " " << mathstk.parInset(i) << endl;
+ if (mathstk.parInset(i) == p) {
+ //lyxerr << " found!" << endl;
+ return true;
+ }
}
+
+ //lyxerr << " cursor: " << mathcursor->cursor->getPar() << endl;
+ if (mathcursor->cursor->getPar() == p) {
+ //lyxerr << " found!" << endl;
+ return true;
+ }
+ //lyxerr << " not found" << endl;
+ return false;
}
+
/***---------------- Mathed Cursor ---------------------------***/
+
MathedCursor::MathedCursor(MathParInset * p) // : par(p)
{
- accent = 0;
- anchor = 0;
- lastcode = LM_TC_MIN;
+ accent = 0;
+ anchor = 0;
+ lastcode = LM_TC_MIN;
SetPar(p);
- if (!MathMacroTable::built)
- MathMacroTable::mathMTable.builtinMacros();
}
-
void MathedCursor::SetPar(MathParInset * p)
{
- macro_mode = false;
- selection = false; // not SelClear() ?
- mathstk.Reset();
- mathstk.push(&cursor);
- par = p;
- cursor->SetData(par);
+ macro_mode = false;
+ selection = false; // not SelClear() ?
+ mathstk.Reset();
+ cursor = mathstk.push();
+ par = p;
+ SetCursorData(par);
+}
+
+
+void MathedCursor::SetCursorData(MathParInset * p)
+{
+ //lyxerr << "SetCursorData: " << p << endl;
+ cursor->SetData(p);
}
void MathedCursor::draw(Painter & pain, int x, int y)
{
// lyxerr << "Cursor[" << x << " " << y << "] ";
- //win = pm; // win = (mathedCanvas) ? mathedCanvas: pm;
+ //lyxerr << "MathedCursor::draw: par: " << par << endl;
par->Metrics();
int w = par->Width() + 2;
h += 8;
}
- pain.rectangle(x - 1, y - a, w, h, LColor::mathframe);
+ pain.rectangle(x - 1, y - a, w, h, LColor::green);
par->draw(pain, x, y);
cursor->Adjust();
par->GetXY(x, y);
//mathed_set_font(LM_TC_VAR, 1);
pain.fillRectangle(x, y - par->Ascent(),
- x + w, y - par->Ascent() + h,
- LColor::mathbg);
+ x + w, y - par->Ascent() + h, LColor::mathbg);
+
+ lyxerr << "MathedCursor::Redraw: par: " << par << endl;
par->draw(pain, x, y);
}
bool MathedCursor::Left(bool sel)
{
+ //par->GetData().dump(cerr);
if (macro_mode) {
// was MacroModeBack()
if (!imacro->GetName().empty()) {
bool result = cursor->Prev();
- if (!result && !mathstk.Empty()) {
+ if (!result && !mathstk.empty()) {
cursor = mathstk.pop();
cursor->Adjust();
result = true;
if (!p)
return result;
+ //lyxerr << "\nInset, max arg # " << p->getMaxArgumentIdx() << endl;
p->setArgumentIdx(p->getMaxArgumentIdx());
- mathstk.push(&cursor);
- cursor->SetData(p);
+ cursor = mathstk.push();
+ SetCursorData(p);
cursor->GoLast();
}
}
// Leave the inset
bool MathedCursor::Pop()
{
- if (!mathstk.Empty()) {
+ if (!mathstk.empty()) {
cursor = mathstk.pop();
cursor->Next();
return true;
MathParInset * p = cursor->GetActiveInset();
if (!p)
return false;
- mathstk.push(&cursor);
- cursor->SetData(p);
+ cursor = mathstk.push();
+ SetCursorData(p);
return true;
}
return false;
}
if (!selection) {
- MathParInset *p = cursor->GetActiveInset();
+ MathParInset * p = cursor->GetActiveInset();
if (!p) {
- lyxerr << "Math error: Inset expected." << endl;
- return cursor->Next();
+ lyxerr << "Math error: Inset expected." << endl;
+ return cursor->Next();
}
p->setArgumentIdx(0);
- mathstk.push(&cursor);
- cursor->SetData(p);
+ cursor = mathstk.push();
+ SetCursorData(p);
result = true;
} else
result = cursor->Next();
} else {
- if (cursor->GetChar()!= LM_TC_CR)
- result = cursor->Next();
- if (!result && !mathstk.Empty()) {
+ if (cursor->GetChar() != LM_TC_CR)
+ result = cursor->Next();
+ if (!result && !mathstk.empty()) {
cursor = mathstk.pop();
cursor->Next();
cursor->Adjust();
lastcode = LM_TC_MIN;
mathstk.Reset();
- mathstk.push(&cursor);
- cursor->SetData(par);
+ cursor = mathstk.push();
+ SetCursorData(par);
cursor->fitCoord(x, y);
- while (cursor->GetX()<x && cursor->OK()) {
+ while (cursor->GetX() < x && cursor->OK()) {
if (cursor->IsActive()) {
MathParInset * p = cursor->GetActiveInset();
if (p->Inside(x, y)) {
p->SetFocus(x, y);
- mathstk.push(&cursor);
- cursor->SetData(p);
+ cursor = mathstk.push();
+ SetCursorData(p);
cursor->fitCoord(x, y);
continue;
}
if (!cursor->Next() && !Pop())
break;
}
- if (x-xp < cursor->GetX()-x) cursor->ipop();
+ if (x - xp < cursor->GetX() - x)
+ cursor->ipop();
cursor->Adjust();
}
MacroModeClose();
clearLastCode();
mathstk.Reset();
- mathstk.push(&cursor);
+ cursor = mathstk.push();
cursor->GoBegin();
}
MacroModeClose();
clearLastCode();
mathstk.Reset();
- mathstk.push(&cursor);
+ cursor = mathstk.push();
cursor->GoLast();
}
-MathMatrixInset * create_multiline(short int type, int cols)
+MathMatrixInset create_multiline(short int type, int cols)
{
int columns;
string align;
break;
}
- MathMatrixInset * mt = new MathMatrixInset(columns, -1);
- mt->SetAlign(' ', align);
+ MathMatrixInset mt(columns, -1);
+ mt.SetAlign(' ', align);
return mt;
}
if (t == LM_TC_CR) {
MathParInset * p = cursor->getPar();
- if (p == par && p->GetType()<LM_OT_MPAR && p->GetType()>LM_OT_MIN) {
+ if (p == par && p->GetType() < LM_OT_MPAR && p->GetType() > LM_OT_MIN) {
short int type = LM_OT_MPAR;
int cols = 1;
if (c >= '1' && c <= '9') {
if (p->GetType() == LM_OT_PARN)
++type;
- MathMatrixInset * mt = create_multiline(type, cols);
+ MathMatrixInset * mt =
+ new MathMatrixInset(create_multiline(type, cols));
mt->SetStyle(LM_ST_DISPLAY);
mt->SetType(type);
mt->setData(p->GetData());
p = mt;
p->Metrics();
int pos = cursor->getPos();
- cursor->SetData(par);
+ SetCursorData(par);
cursor->goPosAbs(pos);
}
- if (p && p->Permit(LMPF_ALLOW_CR)) {
+ if (p && p->Permit(LMPF_ALLOW_CR)) {
cursor->addRow();
}
} else if (t == LM_TC_TAB) {
MathParInset * p = cursor->getPar();
- if (p && p->Permit(LMPF_ALLOW_TAB)) {
+ if (p && p->Permit(LMPF_ALLOW_TAB)) {
if (c) {
cursor->insert(c, t);
cursor->checkTabs();
} else
cursor->goNextColumn();
- } else // Navigate between arguments
- if (p && p->GetType() == LM_OT_MACRO) {
- if (p->getArgumentIdx() < p->getMaxArgumentIdx()) {
- p->setArgumentIdx(p->getArgumentIdx() + 1);
- cursor->SetData(p);
- return;
+ } else {
+ // Navigate between arguments
+ if (p && p->GetType() == LM_OT_MACRO) {
+ if (p->getArgumentIdx() < p->getMaxArgumentIdx()) {
+ p->setArgumentIdx(p->getArgumentIdx() + 1);
+ SetCursorData(p);
+ return;
+ }
}
}
} else {
}
}
- if (accent) {
+ if (accent)
doAccent(c, t);
- } else
+ else
cursor->insert(c, t);
lastcode = t;
SelDel();
}
- if (mathstk.i < MAX_STACK_ITEMS - 1) {
+ if (!mathstk.Full()) {
if (accent && !MathIsActive(t)) {
doAccent(p);
} else {
return;
}
- if (cursor->Empty() && !mathstk.Empty())
+ if (cursor->Empty() && !mathstk.empty())
cursor = mathstk.pop();
- // if (cursor->GetChar()!= LM_TC_TAB)
+ // if (cursor->GetChar() != LM_TC_TAB)
cursor->Delete();
cursor->checkTabs();
}
MathParInset * p = cursor->getPar();
- if (p && p->GetType() <= LM_OT_MATRIX && p->GetType() >= LM_OT_MPAR) {
+ if (p && p->GetType() <= LM_OT_MATRIX && p->GetType() >= LM_OT_MPAR)
cursor->delRow();
- }
}
if (MathIsUp(cd)) {
Push();
return true;
- } else {
- // A subscript may be followed by a superscript
- cursor->ipush();
- cursor->Next();
- if (MathIsUp(cursor->GetChar())) {
- Push();
- return true;
- } else // return to the previous state
- cursor->ipop();
}
+
+ // A subscript may be followed by a superscript
+ cursor->ipush();
+ cursor->Next();
+ if (MathIsUp(cursor->GetChar())) {
+ Push();
+ return true;
+ }
+
+ // return to the previous state
+ cursor->ipop();
}
result = cursor->Up();
bool is_down = (cx->GetChar() == LM_TC_DOWN);
cursor = mathstk.pop();
cursor->Next();
- result = (is_down) ? true: Up();
+ result = is_down ? true : Up();
} else {
- result = (p->getArgumentIdx() > 0);
+ result = p->getArgumentIdx() > 0;
if (result) {
p->setArgumentIdx(p->getArgumentIdx() - 1);
- cursor->SetData(p);
+ SetCursorData(p);
}
}
- if (!result && !mathstk.Empty()) {
+ if (!result && !mathstk.empty()) {
cursor = mathstk.pop();
return Up();
}
if (MathIsDown(cd)) {
Push();
return true;
- } else {
+ }
// A superscript may be followed by a subscript
cursor->ipush();
cursor->Next();
if (MathIsDown(cursor->GetChar())) {
Push();
return true;
- } else
- cursor->ipop();
}
+
+ // return to the previous state
+ cursor->ipop();
}
result = cursor->Down();
if (!result && cursor->getPar()) {
- MathParInset * p= cursor->getPar();
- if (p->GetType() == LM_OT_SCRIPT) {
- MathedXIter * cx = mathstk.Item(1);
- bool is_up = (cx->GetChar() == LM_TC_UP);
- cursor = mathstk.pop();
- cursor->Next();
- result = (is_up) ? true: Down();
- } else {
- result = (p->getArgumentIdx() < p->getMaxArgumentIdx());
- if (result) {
- p->setArgumentIdx(p->getArgumentIdx() + 1);
- cursor->SetData(p);
- }
- }
- if (!result && !mathstk.Empty()) {
- cursor = mathstk.pop();
- return Down(sel);
- }
+ MathParInset * p= cursor->getPar();
+ if (p->GetType() == LM_OT_SCRIPT) {
+ MathedXIter * cx = mathstk.Item(1);
+ bool is_up = (cx->GetChar() == LM_TC_UP);
+ cursor = mathstk.pop();
+ cursor->Next();
+ result = is_up ? true : Down();
+ } else {
+ result = p->getArgumentIdx() < p->getMaxArgumentIdx();
+ if (result) {
+ p->setArgumentIdx(p->getArgumentIdx() + 1);
+ SetCursorData(p);
+ }
+ }
+ if (!result && !mathstk.empty()) {
+ cursor = mathstk.pop();
+ return Down(sel);
+ }
}
return result;
}
{
MathParInset * p = cursor->getPar();
p->UserSetSize(size);
- cursor->SetData(p);
+ SetCursorData(p);
}
void MathedCursor::setNumbered()
{
// another ugly hack
- MathedRowSt * crow = cursor->currentRow();
+ MathedRowContainer::iterator crow = cursor->currentRow();
if (crow)
crow->setNumbered(!crow->isNumbered());
}
l = in_word_set(s);
if (!l) {
- p = MathMacroTable::mathMTable.getMacro(s);
+ p = new MathMacro(MathMacroTable::provideTemplate(s));
if (!p) {
- lyxerr[Debug::MATHED] << "Macro2 " << s << ' ' << tcode << endl;
- if (s == "root") {
- p = new MathRootInset;
- tcode = LM_TC_ACTIVE_INSET;
- } else
- p = new MathFuncInset(s, LM_OT_UNDEF);
+ lyxerr[Debug::MATHED] << "Macro2 " << s << ' ' << tcode << endl;
+ if (s == "root") {
+ p = new MathRootInset;
+ tcode = LM_TC_ACTIVE_INSET;
+ } else
+ p = new MathFuncInset(s, LM_OT_UNDEF);
} else {
tcode = static_cast<MathMacro*>(p)->getTCode();
lyxerr[Debug::MATHED] << "Macro2 " << s << ' ' << tcode << endl;
break;
case LM_TK_MACRO:
- p = MathMacroTable::mathMTable.getMacro(s);
+ p = new MathMacro(MathMacroTable::provideTemplate(s));
tcode = static_cast<MathMacro*>(p)->getTCode();
lyxerr[Debug::MATHED] << "Macro " << s << ' ' << tcode << endl;
break;
p->clear();
Delete();
if (!a.empty()) {
- cursor->Merge(&a);
+ cursor->Merge(a);
cursor->Adjust();
}
macro_mode = false;
latexkeys const * l = in_word_set(imacro->GetName());
if (!imacro->GetName().empty()
- && (!l || (l && IsMacro(l->token, l->id))) &&
- !MathMacroTable::mathMTable.getMacro(imacro->GetName())) {
+ && (!l || (l && IsMacro(l->token, l->id))) &&
+ !MathMacroTable::hasTemplate(imacro->GetName()))
+ {
if (!l) {
//imacro->SetName(macrobf);
// This guarantees that the string will be removed by destructor
static_cast<MathAccentInset*>(cursor->GetInset())->getAccentCode());
}
cursor->Delete();
- if (l || MathMacroTable::mathMTable.getMacro(imacro->GetName())) {
+ if (l || MathMacroTable::hasTemplate(imacro->GetName())) {
Interpret(imacro->GetName());
}
imacro->SetName("");
void MathedCursor::SelCopy()
{
if (selection) {
- int p1 = (cursor->getPos() < selpos) ? cursor->getPos() : selpos;
- int p2 = (cursor->getPos() > selpos) ?
+ int const p1 = (cursor->getPos() < selpos) ?
+ cursor->getPos() : selpos;
+ int const p2 = (cursor->getPos() > selpos) ?
cursor->getPos() : selpos;
selarray = *(cursor->GetData());
selarray.shrink(p1, p2);
if (cursor->getPos() == selpos)
return;
- int p1 = (cursor->getPos() < selpos) ? cursor->getPos() : selpos;
- int p2 = (cursor->getPos() > selpos) ? cursor->getPos() : selpos;
+ int const p1 = (cursor->getPos() < selpos) ?
+ cursor->getPos() : selpos;
+ int const p2 = (cursor->getPos() > selpos) ?
+ cursor->getPos() : selpos;
selarray = *(cursor->GetData());
selarray.shrink(p1, p2);
cursor->Clean(selpos);
SelDel();
if (!selarray.empty()) {
- cursor->Merge(&selarray);
+ cursor->Merge(selarray);
cursor->Adjust();
}
}
lyxerr[Debug::MATHED] << "Starting sel " << endl;
if (!anchor) {
selpos = cursor->getPos();
- selstk = new MathStackXIter(mathstk);
- anchor = selstk->Item(-1);
+ selstk = mathstk;
+ anchor = selstk.Item(-1);
anchor->SetData(cursor->getPar());
anchor->GoBegin();
anchor->goPosAbs(selpos);
{
lyxerr[Debug::MATHED] << "Clearing sel " << endl;
selection = false;
- delete selstk;
- selstk = 0;
anchor = 0;
}
// Anchor position must be at the same level that stack.
void MathedCursor::SelBalance()
{
- int d = mathstk.Level() - selstk->Level();
+ int d = mathstk.Level() - selstk.Level();
// If unbalanced, balance them
while (d != 0) {
if (d < 0) {
- // lyxerr << "b[" << mathstk.Level() << " " << selstk->Level
+ // lyxerr << "b[" << mathstk.Level() << " " << selstk.Level
// << " " << anchor->GetX() << " " << cursor->GetX() << "]";
- anchor = selstk->pop();
+ anchor = selstk.pop();
if (anchor->GetX() >= cursor->GetX())
anchor->Next();
} else {
- // lyxerr <<"a[" << mathstk.Level() << " " << selstk->Level() <<"]";
+ // lyxerr <<"a[" << mathstk.Level() << " " << selstk.Level() <<"]";
Pop();
}
- d = mathstk.Level() - selstk->Level();
+ d = mathstk.Level() - selstk.Level();
}
// Once balanced the levels, check that they are at the same paragraph
void MathedCursor::setAccent(int ac)
{
- if (ac > 0 && accent < 8) {
+ if (ac > 0 && accent < 8)
nestaccent[accent++] = ac;
- } else
+ else
accent = 0; // consumed!
}
int MathedCursor::getAccent() const
{
- return (accent > 0) ? nestaccent[accent - 1]: 0;
+ return (accent > 0) ? nestaccent[accent - 1] : 0;
}
{
return lastcode;
}
+
+
+bool MathedCursor::hasData(MathedArray const & ar)
+{
+ lyxerr << "hasData: ar: " << &ar << " cursor: " << cursor->GetData() <<
+endl;
+ return &ar == cursor->GetData();
+}
projects / lyx.git / blobdiff