]> git.lyx.org Git - lyx.git/blobdiff - src/mathed/formulabase.C
Jean-Marc's fix for wrong descent
[lyx.git] / src / mathed / formulabase.C
index 0fce71e577f9def5ec3a3d52da733eecbce41f81..cca0e6f1c4fb964387eae4e1a02adccf851d64f3 100644 (file)
@@ -18,9 +18,6 @@
 #include "Lsstream.h"
 #include "support/LAssert.h"
 
-#ifdef __GNUG__
-#pragma implementation
-#endif
 
 #include "formula.h"
 #include "formulamacro.h"
@@ -54,7 +51,6 @@
 #include "textpainter.h"
 #include "frontends/Dialogs.h"
 #include "intl.h"
-#include "insets/insetcommandparams.h"
 #include "ref_inset.h"
 
 using std::endl;
@@ -126,14 +122,21 @@ void InsetFormulaBase::mutateToText()
 void InsetFormulaBase::handleFont
        (BufferView * bv, string const & arg, string const & font)
 {
+       // this whole function is a hack and won't work for incremental font
+       // changes...
        bv->lockedInsetStoreUndo(Undo::EDIT);
-       bool sel = mathcursor->selection();
-       if (sel)
+       if (mathcursor->par()->name() == font) {
+               mathcursor->handleFont(font);
                updateLocal(bv, true);
-       mathcursor->handleNest(createMathInset(font));
-       mathcursor->insert(arg);
-       if (!sel)
-               updateLocal(bv, false);
+       } else {
+               bool sel = mathcursor->selection();
+               if (sel)
+                       updateLocal(bv, true);
+               mathcursor->handleNest(createMathInset(font));
+               mathcursor->insert(arg);
+               if (!sel)
+                       updateLocal(bv, false);
+       }
 }
 
 
@@ -220,13 +223,17 @@ void InsetFormulaBase::getCursorPos(BufferView *, int & x, int & y) const
        x = mathcursor->targetX();
        x -= xo_;
        y -= yo_;
-       //lyxerr << "getCursorPos: " << x << " " << y << "\n";
+       //lyxerr << "getCursorPos: " << x << ' ' << y << endl;
 }
 
 
 void InsetFormulaBase::toggleInsetCursor(BufferView * bv)
 {
-       //lyxerr << "toggleInsetCursor: " << isCursorVisible() << "\n";
+       if (!mathcursor) {
+               lyxerr[Debug::MATHED] << "toggleInsetCursor impossible" << endl;
+               return;
+       }
+       //lyxerr << "toggleInsetCursor: " << isCursorVisible() << endl;
        if (isCursorVisible())
                hideInsetCursor(bv);
        else
@@ -236,25 +243,30 @@ void InsetFormulaBase::toggleInsetCursor(BufferView * bv)
 
 void InsetFormulaBase::showInsetCursor(BufferView * bv, bool)
 {
+       if (!mathcursor) {
+               lyxerr << "showInsetCursor impossible" << endl;
+               return;
+       }
        if (isCursorVisible())
                return;
-       fitInsetCursor(bv);
        int x, y, asc, des;
        mathcursor->getPos(x, y);
        math_font_max_dim(font_, asc, des);
        bv->showLockedInsetCursor(x, y - yo_, asc, des);
        setCursorVisible(true);
-       //lyxerr << "showInsetCursor: " << x << " " << y << "\n";
+       //lyxerr << "showInsetCursor: " << x << ' ' << y << endl;
 }
 
 
 void InsetFormulaBase::hideInsetCursor(BufferView * bv)
 {
+       if (!mathcursor)
+               return;
        if (!isCursorVisible())
                return;
        bv->hideLockedInsetCursor();
        setCursorVisible(false);
-       //lyxerr << "hideInsetCursor: \n";
+       //lyxerr << "hideInsetCursor: " << endl;
 }
 
 
@@ -266,7 +278,7 @@ void InsetFormulaBase::fitInsetCursor(BufferView * bv) const
        math_font_max_dim(font_, asc, des);
        getCursorPos(bv, x, y);
        //y += yo_;
-       //lyxerr << "fitInsetCursor: x: " << x << " y: " << y << " yo: " << yo_ << "\n";
+       //lyxerr << "fitInsetCursor: x: " << x << " y: " << y << " yo: " << yo_ << endl;
        bv->fitLockedInsetCursor(x, y, asc, des);
 }
 
@@ -290,7 +302,7 @@ void InsetFormulaBase::updateLocal(BufferView * bv, bool dirty)
 }
 
 
-Inset::RESULT InsetFormulaBase::lfunMouseRelease(FuncRequest const & cmd)
+dispatch_result InsetFormulaBase::lfunMouseRelease(FuncRequest const & cmd)
 {
        if (!mathcursor)
                return UNDISPATCHED;
@@ -298,13 +310,14 @@ Inset::RESULT InsetFormulaBase::lfunMouseRelease(FuncRequest const & cmd)
        BufferView * bv = cmd.view();
        hideInsetCursor(bv);
        showInsetCursor(bv);
-       bv->updateInset(this, true);
-       //lyxerr << "lfunMouseRelease: buttons: " << cmd.button() << "\n";
+       bv->updateInset(this, false);
+       //lyxerr << "lfunMouseRelease: buttons: " << cmd.button() << endl;
 
        if (cmd.button() == mouse_button::button3) {
                // try to dispatch to enclosed insets first
-               if (mathcursor->dispatch(cmd) == MathInset::UNDISPATCHED) {     
+               if (mathcursor->dispatch(cmd) == UNDISPATCHED) {
                        // launch math panel for right mouse button
+                       lyxerr << "lfunMouseRelease: undispatched: " << cmd.button() << endl;
                        bv->owner()->getDialogs().showMathPanel();
                }
                return DISPATCHED;
@@ -334,12 +347,18 @@ Inset::RESULT InsetFormulaBase::lfunMouseRelease(FuncRequest const & cmd)
 }
 
 
-Inset::RESULT InsetFormulaBase::lfunMousePress(FuncRequest const & cmd)
+dispatch_result InsetFormulaBase::lfunMousePress(FuncRequest const & cmd)
 {
        BufferView * bv = cmd.view();
-       releaseMathCursor(bv);
-       mathcursor = new MathCursor(this, cmd.x == 0);
-       //lyxerr << "lfunMousePress: buttons: " << cmd.button() << "\n";
+       //lyxerr << "lfunMousePress: buttons: " << cmd.button() << endl;
+
+       if (!mathcursor || mathcursor->formula() != this) {
+               lyxerr[Debug::MATHED] << "re-create cursor" << endl;
+               releaseMathCursor(bv);
+               mathcursor = new MathCursor(this, cmd.x == 0);
+               metrics(bv);
+               mathcursor->setPos(cmd.x + xo_, cmd.y + yo_);
+       }
 
        if (cmd.button() == mouse_button::button3) {
                mathcursor->dispatch(cmd);
@@ -347,9 +366,6 @@ Inset::RESULT InsetFormulaBase::lfunMousePress(FuncRequest const & cmd)
        }
 
        if (cmd.button() == mouse_button::button1) {
-               // just set the cursor here
-               //lyxerr << "setting cursor\n";
-               metrics(bv);
                first_x = cmd.x;
                first_y = cmd.y;
                mathcursor->selClear();
@@ -363,21 +379,21 @@ Inset::RESULT InsetFormulaBase::lfunMousePress(FuncRequest const & cmd)
 }
 
 
-Inset::RESULT InsetFormulaBase::lfunMouseMotion(FuncRequest const & cmd)
+dispatch_result InsetFormulaBase::lfunMouseMotion(FuncRequest const & cmd)
 {
        if (!mathcursor)
                return DISPATCHED;
 
-       if (mathcursor->dispatch(FuncRequest(cmd)) != MathInset::UNDISPATCHED)
+       if (mathcursor->dispatch(FuncRequest(cmd)) != UNDISPATCHED)
                return DISPATCHED;
 
        // only select with button 1
-       if (cmd.button() != mouse_button::button1) 
+       if (cmd.button() != mouse_button::button1)
                return DISPATCHED;
 
        if (abs(cmd.x - first_x) < 2 && abs(cmd.y - first_y) < 2)
                return DISPATCHED;
-       
+
        first_x = cmd.x;
        first_y = cmd.y;
 
@@ -393,20 +409,25 @@ Inset::RESULT InsetFormulaBase::lfunMouseMotion(FuncRequest const & cmd)
 }
 
 
-Inset::RESULT InsetFormulaBase::localDispatch(FuncRequest const & cmd)
+dispatch_result InsetFormulaBase::localDispatch(FuncRequest const & cmd)
 {
        //lyxerr << "InsetFormulaBase::localDispatch: act: " << cmd.action
        //      << " arg: '" << cmd.argument
        //      << " x: '" << cmd.x
        //      << " y: '" << cmd.y
-       //      << "' button: " << cmd.button() << "\n";
+       //      << "' button: " << cmd.button() << endl;
+
+       // delete empty mathbox (LFUN_BACKSPACE and LFUN_DELETE)
+       bool remove_inset = false;
 
        switch (cmd.action) {
                case LFUN_MOUSE_PRESS:
+                       //lyxerr << "Mouse single press\n";
                        return lfunMousePress(cmd);
                case LFUN_MOUSE_MOTION:
-                       return lfunMouseMotion(cmd);
+                       //return lfunMouseMotion(cmd);
                case LFUN_MOUSE_RELEASE:
+                       //lyxerr << "Mouse single release\n";
                        return lfunMouseRelease(cmd);
                case LFUN_MOUSE_DOUBLE:
                        //lyxerr << "Mouse double\n";
@@ -487,6 +508,14 @@ Inset::RESULT InsetFormulaBase::localDispatch(FuncRequest const & cmd)
                updateLocal(bv, false);
                break;
 
+       case LFUN_UP_PARAGRAPHSEL:
+       case LFUN_UP_PARAGRAPH:
+       case LFUN_DOWN_PARAGRAPHSEL:
+       case LFUN_DOWN_PARAGRAPH:
+               result = FINISHED;
+               updateLocal(bv, false);
+               break;
+
        case LFUN_HOMESEL:
        case LFUN_WORDLEFTSEL:
                sel = true; // fall through
@@ -509,7 +538,7 @@ Inset::RESULT InsetFormulaBase::localDispatch(FuncRequest const & cmd)
        case LFUN_PRIOR:
        case LFUN_BEGINNINGBUFSEL:
        case LFUN_BEGINNINGBUF:
-               result = FINISHED_UP;
+               result = FINISHED;
                updateLocal(bv, false);
                break;
 
@@ -517,7 +546,7 @@ Inset::RESULT InsetFormulaBase::localDispatch(FuncRequest const & cmd)
        case LFUN_NEXT:
        case LFUN_ENDBUFSEL:
        case LFUN_ENDBUF:
-               result = FINISHED_DOWN;
+               result = FINISHED_RIGHT;
                updateLocal(bv, false);
                break;
 
@@ -533,16 +562,26 @@ Inset::RESULT InsetFormulaBase::localDispatch(FuncRequest const & cmd)
 
        case LFUN_DELETE_WORD_BACKWARD:
        case LFUN_BACKSPACE:
-               bv->lockedInsetStoreUndo(Undo::DELETE);
-               mathcursor->backspace();
+               bv->lockedInsetStoreUndo(Undo::EDIT);
+               if (mathcursor->backspace()) {
+                       result = DISPATCHED;
+               } else {
+                       result = FINISHED;
+                       remove_inset = true;
+               }
                updateLocal(bv, true);
                break;
 
        case LFUN_DELETE_WORD_FORWARD:
        case LFUN_DELETE:
-               bv->lockedInsetStoreUndo(Undo::DELETE);
-               mathcursor->erase();
-               bv->updateInset(this, true);
+               bv->lockedInsetStoreUndo(Undo::EDIT);
+               if (mathcursor->erase()) {
+                       result = DISPATCHED;
+               } else {
+                       result = FINISHED;
+                       remove_inset = true;
+               }
+               updateLocal(bv, true);
                break;
 
        //    case LFUN_GETXY:
@@ -627,11 +666,11 @@ Inset::RESULT InsetFormulaBase::localDispatch(FuncRequest const & cmd)
                break;
 
        case LFUN_MATH_MODE:
-               if (mathcursor->currentMode())
-                       handleFont(bv, cmd.argument, "textrm");
-               else {
+               if (mathcursor->currentMode() == MathInset::TEXT_MODE) {
                        mathcursor->niceInsert(MathAtom(new MathHullInset("simple")));
                        updateLocal(bv, true);
+               } else {
+                       handleFont(bv, cmd.argument, "textrm");
                }
                //bv->owner()->message(_("math text mode toggled"));
                break;
@@ -652,7 +691,7 @@ Inset::RESULT InsetFormulaBase::localDispatch(FuncRequest const & cmd)
                unsigned int n = 1;
                string v_align;
                string h_align;
-               istringstream is(argument);
+               istringstream is(STRCONV(argument));
                is >> m >> n >> v_align >> h_align;
                m = max(1u, m);
                n = max(1u, n);
@@ -726,7 +765,7 @@ Inset::RESULT InsetFormulaBase::localDispatch(FuncRequest const & cmd)
                mathcursor->niceInsert(argument);
                updateLocal(bv, true);
                break;
-       
+
        case -1:
        case LFUN_SELFINSERT:
                if (!argument.empty()) {
@@ -755,31 +794,37 @@ Inset::RESULT InsetFormulaBase::localDispatch(FuncRequest const & cmd)
                updateLocal(bv, true);
                break;
 
-       case LFUN_REF_INSERT:
-               //if (argument.empty()) {
-               //      InsetCommandParams p("ref");
-               //      owner_->getDialogs().createRef(p.getAsString());
-               //} else {
-               //      InsetCommandParams p;
-               //      p.setFromString(argument);
-
-               //      InsetRef * inset = new InsetRef(p, *buffer_);
-               //      if (!insertInset(inset))
-               //              delete inset;
-               //      else
-               //              updateInset(inset, true);
-               //}
-               //
-               if (cmd.argument.empty()) {
-                       InsetCommandParams p("ref");
-                       bv->owner()->getDialogs().createRef(p.getAsString());
+       case LFUN_DIALOG_SHOW_NEW_INSET: {
+               string const & name = argument;
+               if (name == "ref") {
+                       string data = "ref LatexCommand \\ref{}\n\\end_inset\n\n";
+                       bv->owner()->getDialogs().show(name, data, 0);
+               } else
+                       result = UNDISPATCHED;
+       }
+       break;
+
+       case LFUN_INSET_APPLY: {
+               string const name = cmd.getArg(0);
+               InsetBase * base =
+                       bv->owner()->getDialogs().getOpenInset(name);
+
+               if (base) {
+                       FuncRequest fr(bv, LFUN_INSET_MODIFY, cmd.argument);
+                       result = base->localDispatch(fr);
                } else {
-                       //mathcursor->handleNest(new InsetRef2);
-                       //mathcursor->insert(arg);
-                       mathcursor->insert(MathAtom(new RefInset(cmd.argument)));
+                       // Turn 'argument' into a temporary RefInset.
+                       MathArray ar;
+                       if (string2RefInset(cmd.argument, ar)) {
+                               mathcursor->insert(ar);
+                       } else {
+                               result = UNDISPATCHED;
+                       }
                }
-               updateLocal(bv, true);
-               break;
+               if (result == DISPATCHED)
+                       updateLocal(bv, true);
+       }
+       break;
 
        default:
                result = UNDISPATCHED;
@@ -802,6 +847,8 @@ Inset::RESULT InsetFormulaBase::localDispatch(FuncRequest const & cmd)
        } else {
                releaseMathCursor(bv);
                bv->unlockInset(this);
+               if (remove_inset)
+                       bv->owner()->dispatch(FuncRequest(LFUN_DELETE));
        }
 
        return result;  // original version
@@ -939,7 +986,7 @@ bool InsetFormulaBase::display() const
 
 string InsetFormulaBase::selectionAsString() const
 {
-       return mathcursor ? mathcursor->grabSelection() : string(); 
+       return mathcursor ? mathcursor->grabSelection() : string();
 }
 
 /////////////////////////////////////////////////////////////////////
@@ -1015,13 +1062,13 @@ void mathDispatch(FuncRequest const & cmd)
                        }
                        break;
 
-               case LFUN_GREEK: 
-               case LFUN_INSERT_MATH: 
-               case LFUN_INSERT_MATRIX: 
+               case LFUN_GREEK:
+               case LFUN_INSERT_MATH:
+               case LFUN_INSERT_MATRIX:
                case LFUN_MATH_DELIM: {
                        InsetFormula * f = new InsetFormula(bv);
                        if (openNewInset(bv, f)) {
-                               bv->theLockingInset()-> 
+                               bv->theLockingInset()->
                                        localDispatch(FuncRequest(bv, LFUN_MATH_MUTATE, "simple"));
                                bv->theLockingInset()->localDispatch(cmd);
                        }