]> git.lyx.org Git - lyx.git/blobdiff - src/text3.C
do not create invalid .lyx files when importing \i{}, \j{}, \l{} or \L{}.
[lyx.git] / src / text3.C
index 20c7e7fdd5c4ae1714d30df5f31a35163b0de12c..f7d9a8806df63939c6974acf49b38d85feff05fc 100644 (file)
@@ -198,48 +198,58 @@ string const freefont2string()
 
 }
 
-bool LyXText::cursorPrevious(LCursor & cur)
+void LyXText::cursorPrevious(LCursor & cur)
 {
        pos_type cpos = cur.pos();
        pit_type cpar = cur.pit();
 
        int x = cur.x_target();
 
+       // FIXME: there would maybe a need for this 'updated' boolean in the future...
        bool updated = setCursorFromCoordinates(cur, x, 0);
-       if (updated)
-               cur.bv().update();
-       updated |= cursorUp(cur);
+       if (cur.inMathed())
+               updated |= cur.up();
+       else
+               updated |= cursorUp(cur);
 
        if (cpar == cur.pit() && cpos == cur.pos()) {
                // we have a row which is taller than the workarea. The
                // simplest solution is to move to the previous row instead.
-               updated |= cursorUp(cur);
+               if (cur.inMathed())
+                       updated |= cur.up();
+               else
+                       updated |= cursorUp(cur);
        }
 
        finishUndo();
-       return updated;
+       cur.updateFlags(Update::Force | Update::FitCursor);
 }
 
 
-bool LyXText::cursorNext(LCursor & cur)
+void LyXText::cursorNext(LCursor & cur)
 {
        pos_type cpos = cur.pos();
        pit_type cpar = cur.pit();
 
        int x = cur.x_target();
+       // FIXME: there would maybe a need for this 'updated' boolean in the future...
        bool updated = setCursorFromCoordinates(cur, x, cur.bv().workHeight() - 1);
-       if (updated)
-               cur.bv().update();
-       updated |= cursorDown(cur);
+       if (cur.inMathed())
+               updated |= cur.down();
+       else
+               updated |= cursorDown(cur);
 
        if (cpar == cur.pit() && cpos == cur.pos()) {
                // we have a row which is taller than the workarea. The
                // simplest solution is to move to the next row instead.
-               updated |= cursorDown(cur);
+               if (cur.inMathed())
+                       updated |= cur.down();
+               else
+                       updated |= cursorDown(cur);
        }
 
        finishUndo();
-       return updated;
+       cur.updateFlags(Update::Force | Update::FitCursor);
 }
 
 
@@ -305,6 +315,11 @@ void LyXText::dispatch(LCursor & cur, FuncRequest & cmd)
 {
        lyxerr[Debug::ACTION] << "LyXText::dispatch: cmd: " << cmd << endl;
 
+       // FIXME: We use the update flag to indicates wether a singlePar or a
+       // full screen update is needed. We reset it here but shall we restore it
+       // at the end?
+       cur.noUpdate();
+
        BOOST_ASSERT(cur.text() == this);
        BufferView * bv = &cur.bv();
        CursorSlice oldTopSlice = cur.top();
@@ -495,7 +510,7 @@ void LyXText::dispatch(LCursor & cur, FuncRequest & cmd)
                        cur.undispatched();
                        cmd = FuncRequest(LFUN_FINISHED_UP);
                } else {
-                       needsUpdate |= cursorPrevious(cur);
+                       cursorPrevious(cur);
                }
                break;
 
@@ -507,7 +522,7 @@ void LyXText::dispatch(LCursor & cur, FuncRequest & cmd)
                        cur.undispatched();
                        cmd = FuncRequest(LFUN_FINISHED_DOWN);
                } else {
-                       needsUpdate |= cursorNext(cur);
+                       cursorNext(cur);
                }
                break;
 
@@ -748,7 +763,7 @@ void LyXText::dispatch(LCursor & cur, FuncRequest & cmd)
                break;
 
        case LFUN_CHARS_TRANSPOSE:
-               recordUndo(cur);
+               charsTranspose(cur);
                break;
 
        case LFUN_PASTE:
@@ -809,24 +824,15 @@ void LyXText::dispatch(LCursor & cur, FuncRequest & cmd)
                break;
 
        case LFUN_LAYOUT: {
-               lyxerr[Debug::INFO] << "LFUN_LAYOUT: (arg) "
-                 << to_utf8(cmd.argument()) << endl;
-
-               // This is not the good solution to the empty argument
-               // problem, but it will hopefully suffice for 1.2.0.
-               // The correct solution would be to augument the
-               // function list/array with information about what
-               // functions needs arguments and their type.
-               if (cmd.argument().empty()) {
-                       cur.errorMessage(_("LyX function 'layout' needs an argument."));
-                       break;
-               }
+               string layout = to_ascii(cmd.argument());
+               lyxerr[Debug::INFO] << "LFUN_LAYOUT: (arg) " << layout << endl;
 
                // Derive layout number from given argument (string)
                // and current buffer's textclass (number)
                LyXTextClass const & tclass = bv->buffer()->params().getLyXTextClass();
-               bool hasLayout = tclass.hasLayout(to_utf8(cmd.argument()));
-               string layout = to_utf8(cmd.argument());
+               if (layout.empty())
+                       layout = tclass.defaultLayoutName();
+               bool hasLayout = tclass.hasLayout(layout);
 
                // If the entry is obsolete, use the new one instead.
                if (hasLayout) {
@@ -985,7 +991,8 @@ void LyXText::dispatch(LCursor & cur, FuncRequest & cmd)
                        paste_internally = true;
                }
 
-               bv->mouseSetCursor(cur);
+               // we have to update after dePM triggered
+               bool update = bv->mouseSetCursor(cur);
 
                // Insert primary selection with middle mouse
                // if there is a local selection in the current buffer,
@@ -997,6 +1004,11 @@ void LyXText::dispatch(LCursor & cur, FuncRequest & cmd)
                                lyx::dispatch(FuncRequest(LFUN_PRIMARY_SELECTION_PASTE, "paragraph"));
                }
 
+               if (!update && cmd.button() == mouse_button::button1) {
+                       needsUpdate = false;
+                       cur.noUpdate();
+               }
+
                break;
        }
 
@@ -1046,8 +1058,12 @@ void LyXText::dispatch(LCursor & cur, FuncRequest & cmd)
                        break;
 
                // finish selection
-               if (cmd.button() == mouse_button::button1)
-                       theSelection().haveSelection(cur.selection());
+               if (cmd.button() == mouse_button::button1) {
+                       if (cur.selection())
+                               theSelection().haveSelection(cur.selection());
+                       needsUpdate = false;
+                       cur.noUpdate();
+               }
 
                bv->switchKeyMap();
                break;
@@ -1184,6 +1200,8 @@ void LyXText::dispatch(LCursor & cur, FuncRequest & cmd)
        case LFUN_HFILL_INSERT:
        case LFUN_LINE_INSERT:
        case LFUN_PAGEBREAK_INSERT:
+       case LFUN_CLEARPAGE_INSERT:
+       case LFUN_CLEARDOUBLEPAGE_INSERT:
                // do nothing fancy
                doInsertInset(cur, this, cmd, false, false);
                cur.posRight();
@@ -1483,6 +1501,19 @@ void LyXText::dispatch(LCursor & cur, FuncRequest & cmd)
        }
 
        needsUpdate |= (cur.pos() != cur.lastpos()) && cur.selection();
+
+       // FIXME: The cursor flag is reset two lines below
+       // so we need to check here if some of the LFUN did touch that.
+       // for now only LyXText::erase() and LyXText::backspace() do that.
+       // The plan is to verify all the LFUNs and then to remove this
+       // singleParUpdate boolean altogether.
+       if (cur.result().update() & Update::Force) {
+               singleParUpdate = false;
+               needsUpdate = true;
+       }
+
+       // FIXME: the following code should go in favor of fine grained
+       // update flag treatment.
        if (singleParUpdate)
                // Inserting characters does not change par height
                if (cur.bottom().paragraph().dim().height()
@@ -1494,12 +1525,22 @@ void LyXText::dispatch(LCursor & cur, FuncRequest & cmd)
                        return;
                } else
                        needsUpdate = true;
+
        if (!needsUpdate
            && &oldTopSlice.inset() == &cur.inset()
            && oldTopSlice.idx() == cur.idx()
-           && !sel
+           && !sel // sel is a backup of cur.selection() at the biginning of the function.
            && !cur.selection())
-               cur.noUpdate();
+               // FIXME: it would be better if we could just do this
+               //
+               //if (cur.result().update() != Update::FitCursor)
+               //      cur.noUpdate();
+               // 
+               // But some LFUNs do not set Update::FitCursor when needed, so we
+               // do it for all. This is not very harmfull as FitCursor will provoke
+               // a full redraw only if needed but still, a proper review of all LFUN
+               // should be done and this needsUpdate boolean can then be removed.
+               cur.updateFlags(Update::FitCursor);
        else
                cur.updateFlags(Update::Force | Update::FitCursor);
 }
@@ -1725,7 +1766,13 @@ bool LyXText::getStatus(LCursor & cur, FuncRequest const & cmd,
 
        case LFUN_CHANGE_ACCEPT:
        case LFUN_CHANGE_REJECT:
-               enable = true; // FIXME: Change tracking (MG)
+               // TODO: context-sensitive enabling of LFUN_CHANGE_ACCEPT/REJECT
+               // In principle, these LFUNs should only be enabled if there
+               // is a change at the current position/in the current selection.
+               // However, without proper optimizations, this will inevitably
+               // result in unacceptable performance - just imagine a user who
+               // wants to select the complete content of a long document.
+               enable = true;
                break;
 
        case LFUN_WORD_DELETE_FORWARD:
@@ -1781,6 +1828,8 @@ bool LyXText::getStatus(LCursor & cur, FuncRequest const & cmd,
        case LFUN_SELF_INSERT:
        case LFUN_LINE_INSERT:
        case LFUN_PAGEBREAK_INSERT:
+       case LFUN_CLEARPAGE_INSERT:
+       case LFUN_CLEARDOUBLEPAGE_INSERT:
        case LFUN_MATH_DISPLAY:
        case LFUN_MATH_IMPORT_SELECTION:
        case LFUN_MATH_MODE: