]> git.lyx.org Git - lyx.git/blobdiff - src/BufferView_pimpl.C
More fixes to insettabular/text (and some missing features added).
[lyx.git] / src / BufferView_pimpl.C
index aad1957478cf1178f350ee8aa44bbe621536c278..fac6aa8d9db29165deddcf5c8305ed4705257d53 100644 (file)
@@ -21,7 +21,6 @@
 #include "TextCache.h"
 #include "bufferlist.h"
 #include "insets/insetbib.h"
-#include "menus.h"
 #include "lyx_gui_misc.h"
 #include "lyxrc.h"
 #include "intl.h"
@@ -44,6 +43,7 @@ bool selection_possible = false;
 extern BufferList bufferlist;
 extern char ascii_type;
 
+extern "C" void TimerCB(FL_OBJECT *, long); 
 extern void sigchldhandler(pid_t pid, int * status);
 extern int bibitemMaxWidth(BufferView *, LyXFont const &);
 
@@ -61,12 +61,12 @@ void SetXtermCursor(Window win)
        static Cursor cursor;
        static bool cursor_undefined = true;
        if (cursor_undefined){
-               cursor = XCreateFontCursor(fl_display, XC_xterm);
-               XFlush(fl_display);
+               cursor = XCreateFontCursor(fl_get_display(), XC_xterm);
+               XFlush(fl_get_display());
                cursor_undefined = false;
        }
-       XDefineCursor(fl_display, win, cursor);
-       XFlush(fl_display);
+       XDefineCursor(fl_get_display(), win, cursor);
+       XFlush(fl_get_display());
 }
 
 
@@ -75,7 +75,33 @@ BufferView::Pimpl::Pimpl(BufferView * b, LyXView * o,
        : bv_(b), owner_(o), cursor_timeout(400)
 {
        buffer_ = 0;
+#if 0
        workarea_ = new WorkArea(bv_, xpos, ypos, width, height);
+#else
+       workarea_ = new WorkArea(xpos, ypos, width, height);
+#endif
+       // Setup the signals
+       workarea_->scrollCB.connect(slot(this, &BufferView::Pimpl::scrollCB));
+       workarea_->workAreaExpose
+               .connect(slot(this, &BufferView::Pimpl::workAreaExpose));
+       workarea_->workAreaEnter
+               .connect(slot(this, &BufferView::Pimpl::enterView));
+       workarea_->workAreaLeave
+               .connect(slot(this, &BufferView::Pimpl::leaveView));
+       workarea_->workAreaButtonPress
+               .connect(slot(this, &BufferView::Pimpl::workAreaButtonPress));
+       workarea_->workAreaButtonRelease
+               .connect(slot(this,
+                             &BufferView::Pimpl::workAreaButtonRelease));
+       workarea_->workAreaMotionNotify
+               .connect(slot(this, &BufferView::Pimpl::workAreaMotionNotify));
+       workarea_->workAreaDoubleClick
+               .connect(slot(this, &BufferView::Pimpl::doubleClick));
+       workarea_->workAreaTripleClick
+               .connect(slot(this, &BufferView::Pimpl::tripleClick));
+       workarea_->workAreaKeyPress
+               .connect(slot(this, &BufferView::Pimpl::workAreaKeyPress));
+       
        screen_ = 0;
 
        cursor_timeout.timeout.connect(slot(this,
@@ -130,7 +156,6 @@ void BufferView::Pimpl::buffer(Buffer * b)
        if (buffer_) {
                lyxerr[Debug::INFO] << "Buffer addr: " << buffer_ << endl;
                buffer_->addUser(bv_);
-               owner_->getMenus()->showMenus();
                // If we don't have a text object for this, we make one
                if (bv_->text == 0) {
                        resizeCurrentBuffer();
@@ -139,12 +164,19 @@ void BufferView::Pimpl::buffer(Buffer * b)
                        updateScrollbar();
                }
                bv_->text->first = screen_->TopCursorVisible(bv_->text);
+               owner_->updateMenubar();
+               owner_->updateToolbar();
+               // Similarly, buffer-dependent dialogs should be updated or
+               // hidden. This should go here because some dialogs (eg ToC)
+               // require bv_->text.
+               owner_->getDialogs()->updateBufferDependent(true);
                redraw();
-               owner_->getDialogs()->updateBufferDependent();
                bv_->insetWakeup();
        } else {
                lyxerr[Debug::INFO] << "  No Buffer!" << endl;
-               owner_->getMenus()->hideMenus();
+               owner_->updateMenubar();
+               owner_->updateToolbar();
+               owner_->getDialogs()->hideBufferDependent();
                updateScrollbar();
                workarea_->redraw();
 
@@ -185,12 +217,13 @@ void BufferView::Pimpl::redraw()
 }
 
 
-bool BufferView::Pimpl::fitCursor()
+bool BufferView::Pimpl::fitCursor(LyXText * text)
 {
        Assert(screen_); // it is a programming error to call fitCursor
        // without a valid screen.
-       bool ret = screen_->FitCursor(bv_->text);
-       if (ret) updateScrollbar();
+       bool ret = screen_->FitCursor(text, bv_);
+       if (ret)
+           updateScrollbar();
        return ret;
 }
 
@@ -270,10 +303,8 @@ int BufferView::Pimpl::resizeCurrentBuffer()
                }
        }
        bv_->text->first = screen_->TopCursorVisible(bv_->text);
-       /* this will scroll the
-        * screen such that the
-        * cursor becomes
-        * visible */ 
+       buffer_->resizeInsets(bv_);
+       // this will scroll the screen such that the cursor becomes visible
        updateScrollbar();
        redraw();
        owner_->getMiniBuffer()->Init();
@@ -391,8 +422,6 @@ void BufferView::Pimpl::updateScrollbar()
 // Callback for scrollbar slider
 void BufferView::Pimpl::scrollCB(double value)
 {
-       extern bool cursor_follows_scrollbar;
-       
        if (buffer_ == 0) return;
 
        current_scrollbar_value = long(value);
@@ -402,18 +431,19 @@ void BufferView::Pimpl::scrollCB(double value)
        if (!screen_)
                return;
 
-       screen_->Draw(bv_->text, current_scrollbar_value);
+       screen_->Draw(bv_->text, bv_, current_scrollbar_value);
 
-       if (cursor_follows_scrollbar) {
+       if (lyxrc.cursor_follows_scrollbar) {
                LyXText * vbt = bv_->text;
-               unsigned int height = vbt->DefaultHeight();
+               int height = vbt->DefaultHeight();
                
-               if (vbt->cursor.y() < bv_->text->first + height) {
+               if (vbt->cursor.y() < static_cast<int>((bv_->text->first + height))) {
                        vbt->SetCursorFromCoordinates(bv_, 0,
                                                      bv_->text->first +
                                                      height);
                } else if (vbt->cursor.y() >
-                          bv_->text->first + workarea_->height() - height) {
+                          static_cast<int>((bv_->text->first+workarea_->height()-height)))
+               {
                        vbt->SetCursorFromCoordinates(bv_, 0,
                                                      bv_->text->first +
                                                      workarea_->height()  -
@@ -447,7 +477,7 @@ int BufferView::Pimpl::scrollUp(long time)
    
        workarea_->setScrollbarValue(value);
    
-       bv_->scrollCB(value); 
+       scrollCB(value); 
        return 0;
 }
 
@@ -477,11 +507,17 @@ int BufferView::Pimpl::scrollDown(long time)
 
        workarea_->setScrollbarValue(value);
        
-       bv_->scrollCB(value); 
+       scrollCB(value); 
        return 0;
 }
 
 
+void BufferView::Pimpl::workAreaKeyPress(KeySym keysym, unsigned int state)
+{
+       bv_->owner()->getLyXFunc()->processKeySym(keysym, state);
+}
+
+
 void BufferView::Pimpl::workAreaMotionNotify(int x, int y, unsigned int state)
 {
        // Only use motion with button 1
@@ -491,11 +527,17 @@ void BufferView::Pimpl::workAreaMotionNotify(int x, int y, unsigned int state)
        if (buffer_ == 0 || !screen_) return;
 
        // Check for inset locking
-       if (bv_->the_locking_inset) {
+       if (bv_->theLockingInset()) {
                LyXCursor cursor = bv_->text->cursor;
-               bv_->the_locking_inset->
+               LyXFont font = bv_->text->GetFont(bv_->buffer(),
+                                                 cursor.par(), cursor.pos());
+               int width = bv_->theLockingInset()->width(bv_, font);
+               int inset_x = font.isVisibleRightToLeft()
+                       ? cursor.x() - width : cursor.x();
+               int start_x = inset_x + bv_->theLockingInset()->scroll();
+               bv_->theLockingInset()->
                        InsetMotionNotify(bv_,
-                                         x - cursor.x(),
+                                         x - start_x,
                                          y - cursor.y() + bv_->text->first,
                                          state);
                return;
@@ -512,9 +554,9 @@ void BufferView::Pimpl::workAreaMotionNotify(int x, int y, unsigned int state)
                        update(BufferView::UPDATE); // Maybe an empty line was deleted
       
                bv_->text->SetSelection();
-               screen_->ToggleToggle(bv_->text);
-               fitCursor();
-               screen_->ShowCursor(bv_->text);
+               screen_->ToggleToggle(bv_->text, bv_);
+               fitCursor(bv_->text);
+               screen_->ShowCursor(bv_->text, bv_);
        }
        return;
 }
@@ -543,19 +585,19 @@ void BufferView::Pimpl::workAreaButtonPress(int xpos, int ypos,
                }
        }
        
-       if (bv_->the_locking_inset) {
+       if (bv_->theLockingInset()) {
                // We are in inset locking mode
                
                /* Check whether the inset was hit. If not reset mode,
                   otherwise give the event to the inset */
-               if (inset_hit == bv_->the_locking_inset) {
-                       bv_->the_locking_inset->
+               if (inset_hit == bv_->theLockingInset()) {
+                       bv_->theLockingInset()->
                                InsetButtonPress(bv_,
                                                 xpos, ypos,
                                                 button);
                        return;
                } else {
-                       bv_->unlockInset(bv_->the_locking_inset);
+                       bv_->unlockInset(bv_->theLockingInset());
                }
        }
        
@@ -563,46 +605,7 @@ void BufferView::Pimpl::workAreaButtonPress(int xpos, int ypos,
                selection_possible = true;
        screen_->HideCursor();
 
-#ifndef NEW_TABULAR
-       // Right button mouse click on a table
-       if (button == 3 &&
-           (bv_->text->cursor.par()->table ||
-            bv_->text->MouseHitInTable(bv_, xpos, ypos + bv_->text->first))) {
-               // Set the cursor to the press-position
-               bv_->text->SetCursorFromCoordinates(bv_, xpos, ypos + bv_->text->first);
-               bool doit = true;
-               
-               // Only show the table popup if the hit is in
-               // the table, too
-               if (!bv_->text->HitInTable(bv_,
-                                          bv_->text->cursor.row(), xpos))
-                       doit = false;
-               
-               // Hit above or below the table?
-               if (doit) {
-                       if (!bv_->text->selection) {
-                               screen_->ToggleSelection(bv_->text);
-                               bv_->text->ClearSelection();
-                               bv_->text->FullRebreak(bv_);
-                               screen_->Update(bv_->text);
-                               updateScrollbar();
-                       }
-                       // Popup table popup when on a table.
-                       // This is obviously temporary, since we
-                       // should be able to popup various
-                       // context-sensitive-menus with the
-                       // the right mouse. So this should be done more
-                       // general in the future. Matthias.
-                       selection_possible = false;
-                       owner_->getLyXFunc()
-                               ->Dispatch(LFUN_LAYOUT_TABLE,
-                                          "true");
-                       return;
-               }
-       }
-#endif
-       
-       int screen_first = bv_->text->first;
+       int const screen_first = bv_->text->first;
        
        // Middle button press pastes if we have a selection
        bool paste_internally = false;
@@ -613,10 +616,10 @@ void BufferView::Pimpl::workAreaButtonPress(int xpos, int ypos,
        }
        
        // Clear the selection
-       screen_->ToggleSelection(bv_->text);
+       screen_->ToggleSelection(bv_->text, bv_);
        bv_->text->ClearSelection();
        bv_->text->FullRebreak(bv_);
-       screen_->Update(bv_->text);
+       screen_->Update(bv_->text, bv_);
        updateScrollbar();
        
        // Single left click in math inset?
@@ -645,7 +648,7 @@ void BufferView::Pimpl::workAreaButtonPress(int xpos, int ypos,
        bv_->text->cursor.x_fix(bv_->text->cursor.x());
        
        owner_->updateLayoutChoice();
-       if (fitCursor()) {
+       if (fitCursor(bv_->text)) {
                selection_possible = false;
        }
        
@@ -667,31 +670,31 @@ void BufferView::Pimpl::workAreaButtonPress(int xpos, int ypos,
 void BufferView::Pimpl::doubleClick(int /*x*/, int /*y*/, unsigned int button) 
 {
        // select a word
-       if (buffer_ && !bv_->the_locking_inset) {
+       if (buffer_ && !bv_->theLockingInset()) {
                if (screen_ && button == 1) {
                        screen_->HideCursor();
-                       screen_->ToggleSelection(bv_->text);
+                       screen_->ToggleSelection(bv_->text, bv_);
                        bv_->text->SelectWord(bv_);
-                       screen_->ToggleSelection(bv_->text, false);
+                       screen_->ToggleSelection(bv_->text, bv_, false);
                        /* This will fit the cursor on the screen
                         * if necessary */
                        update(BufferView::SELECT|BufferView::FITCUR);
                }
-       }            
+       }   
 }
 
 
 void BufferView::Pimpl::tripleClick(int /*x*/, int /*y*/, unsigned int button)
 {
        // select a line
-       if (buffer_ && screen_ && button == 1) {
+       if (buffer_ && screen_ && !bv_->theLockingInset() && (button == 1)) {
                screen_->HideCursor();
-               screen_->ToggleSelection(bv_->text);
+               screen_->ToggleSelection(bv_->text, bv_);
                bv_->text->CursorHome(bv_);
                bv_->text->sel_cursor = bv_->text->cursor;
                bv_->text->CursorEnd(bv_);
                bv_->text->SetSelection();
-               screen_->ToggleSelection(bv_->text, false);
+               screen_->ToggleSelection(bv_->text, bv_, false);
                /* This will fit the cursor on the screen
                 * if necessary */
                update(BufferView::SELECT|BufferView::FITCUR);
@@ -711,7 +714,7 @@ void BufferView::Pimpl::enterView()
 void BufferView::Pimpl::leaveView()
 {
        if (using_xterm_cursor) {
-               XUndefineCursor(fl_display, workarea_->getWin());
+               XUndefineCursor(fl_get_display(), workarea_->getWin());
                using_xterm_cursor = false;
        }
 }
@@ -727,36 +730,23 @@ void BufferView::Pimpl::workAreaButtonRelease(int x, int y,
        // inset, inset_hit is 0, and inset_x == x, inset_y == y.
        Inset * inset_hit = checkInsetHit(bv_->text, x, y, button);
 
-       if (bv_->the_locking_inset) {
+       if (bv_->theLockingInset()) {
                // We are in inset locking mode.
 
                /* LyX does a kind of work-area grabbing for insets.
                   Only a ButtonPress Event outside the inset will 
                   force a InsetUnlock. */
-               bv_->the_locking_inset->
+               bv_->theLockingInset()->
                        InsetButtonRelease(bv_, x, y, button);
                return;
        }
        
        selection_possible = false;
-#ifndef NEW_TABULAR
-       if (bv_->text->cursor.par()->table) {
-                int cell = bv_->text->
-                        NumberOfCell(bv_->text->cursor.par(),
-                                     bv_->text->cursor.pos());
-                if (bv_->text->cursor.par()->table->IsContRow(cell) &&
-                    bv_->text->cursor.par()->table->
-                    CellHasContRow(bv_->text->cursor.par()->table->
-                                   GetCellAbove(cell))<0) {
-                        bv_->text->CursorUp(bv_);
-                }
-        }
-#endif
        
        if (button >= 2) return;
 
        bv_->setState();
-       owner_->getMiniBuffer()->Set(CurrentState(bv_));
+       owner_->showState();
 
        // Did we hit an editable inset?
        if (inset_hit != 0) {
@@ -803,6 +793,8 @@ void BufferView::Pimpl::workAreaButtonRelease(int x, int y,
                        c = bv_->text->cursor.par()->
                                GetChar(bv_->text->cursor.pos());
                }
+#ifndef NEW_INSETS
+              if(!bv_->text->selection)
                if (c == LyXParagraph::META_FOOTNOTE
                    || c == LyXParagraph::META_MARGIN
                    || c == LyXParagraph::META_FIG
@@ -811,9 +803,12 @@ void BufferView::Pimpl::workAreaButtonRelease(int x, int y,
                    || c == LyXParagraph::META_WIDE_TAB
                     || c == LyXParagraph::META_ALGORITHM){
                        hit = true;
-               } else if (bv_->text->cursor.pos() - 1 >= 0) {
+               } else
+#endif
+                       if (bv_->text->cursor.pos() - 1 >= 0) {
                        c = bv_->text->cursor.par()->
                                GetChar(bv_->text->cursor.pos() - 1);
+#ifndef NEW_INSETS
                        if (c == LyXParagraph::META_FOOTNOTE
                            || c == LyXParagraph::META_MARGIN
                            || c == LyXParagraph::META_FIG
@@ -825,14 +820,18 @@ void BufferView::Pimpl::workAreaButtonRelease(int x, int y,
                                bv_->text->CursorLeft(bv_);
                                hit = true;
                        }
+#endif
                }
                if (hit == true) {
+#ifndef NEW_INSETS
                        bv_->toggleFloat();
+#endif
                        selection_possible = false;
                        return;
                }
        }
 
+#ifndef NEW_INSETS
        // Do we want to close a float? (click on the float-label)
        if (bv_->text->cursor.row()->par()->footnoteflag == 
            LyXParagraph::OPEN_FOOTNOTE
@@ -858,6 +857,7 @@ void BufferView::Pimpl::workAreaButtonRelease(int x, int y,
                        return;
                }
        }
+#endif
 
        // Maybe we want to edit a bibitem ale970302
        if (bv_->text->cursor.par()->bibkey && x < 20 + 
@@ -882,14 +882,11 @@ Inset * BufferView::Pimpl::checkInsetHit(LyXText * text, int & x, int & y,
        if (!screen_)
                return 0;
   
-       unsigned int y_tmp = y + text->first;
+       int y_tmp = y + text->first;
   
        LyXCursor cursor;
        text->SetCursorFromCoordinates(bv_, cursor, x, y_tmp);
-#if 0 // Are you planning to use this Jürgen? (Lgb)
-       bool move_cursor = ((cursor.par != text->cursor.par) ||
-                           (cursor.pos != text->cursor.pos()));
-#endif
+
        if (cursor.pos() < cursor.par()->Last()
            && cursor.par()->GetChar(cursor.pos()) == LyXParagraph::META_INSET
            && cursor.par()->GetInset(cursor.pos())
@@ -899,24 +896,16 @@ Inset * BufferView::Pimpl::checkInsetHit(LyXText * text, int & x, int & y,
                Inset * tmpinset = cursor.par()->GetInset(cursor.pos());
                LyXFont font = text->GetFont(bv_->buffer(),
                                                  cursor.par(), cursor.pos());
-               bool is_rtl = font.isVisibleRightToLeft();
-               int start_x, end_x;
-
-               if (is_rtl) {
-                       start_x = cursor.x() - tmpinset->width(bv_, font);
-                       end_x = cursor.x();
-               } else {
-                       start_x = cursor.x();
-                       end_x = cursor.x() + tmpinset->width(bv_, font);
-               }
+               int width = tmpinset->width(bv_, font);
+               int inset_x = font.isVisibleRightToLeft()
+                       ? cursor.x() - width : cursor.x();
+               int start_x = inset_x + tmpinset->scroll();
+               int end_x = inset_x + width;
 
                if (x > start_x && x < end_x
                    && y_tmp > cursor.y() - tmpinset->ascent(bv_, font)
                    && y_tmp < cursor.y() + tmpinset->descent(bv_, font)) {
-#if 0
-                       if (move_cursor && (tmpinset != bv_->the_locking_inset))
-#endif
-                               text->SetCursor(bv_, cursor.par(),cursor.pos(),true);
+                       text->SetCursor(bv_, cursor.par(),cursor.pos(),true);
                        x = x - start_x;
                        // The origin of an inset is on the baseline
                        y = y_tmp - (text->cursor.y()); 
@@ -931,21 +920,17 @@ Inset * BufferView::Pimpl::checkInsetHit(LyXText * text, int & x, int & y,
                Inset * tmpinset = cursor.par()->GetInset(cursor.pos()-1);
                LyXFont font = text->GetFont(bv_->buffer(), cursor.par(),
                                                  cursor.pos()-1);
-               bool is_rtl = font.isVisibleRightToLeft();
-               int start_x, end_x;
+               int width = tmpinset->width(bv_, font);
+               int inset_x = font.isVisibleRightToLeft()
+                       ? cursor.x() : cursor.x() - width;
+               int start_x = inset_x + tmpinset->scroll();
+               int end_x = inset_x + width;
 
-               if (!is_rtl) {
-                       start_x = cursor.x() - tmpinset->width(bv_, font);
-                       end_x = cursor.x();
-               } else {
-                       start_x = cursor.x();
-                       end_x = cursor.x() + tmpinset->width(bv_, font);
-               }
                if (x > start_x && x < end_x
                    && y_tmp > cursor.y() - tmpinset->ascent(bv_, font)
                    && y_tmp < cursor.y() + tmpinset->descent(bv_, font)) {
 #if 0
-                       if (move_cursor && (tmpinset != bv_->the_locking_inset))
+                       if (move_cursor && (tmpinset != bv_->theLockingInset()))
 #endif
                                text->SetCursor(bv_, cursor.par(),cursor.pos()-1,true);
                        x = x - start_x;
@@ -995,14 +980,15 @@ void BufferView::Pimpl::workAreaExpose()
                        // fitCursor() ensures we don't jump back
                        // to the start of the document on vertical
                        // resize
-                       fitCursor();
+                       fitCursor(bv_->text);
 
                        // The main window size has changed, repaint most stuff
                        redraw();
                        // ...including the minibuffer
                        owner_->getMiniBuffer()->Init();
 
-               } else if (screen_) screen_->Redraw(bv_->text);
+               } else if (screen_)
+                   screen_->Redraw(bv_->text, bv_);
        } else {
                // Grey box when we don't have a buffer
                workarea_->greyOut();
@@ -1017,7 +1003,7 @@ void BufferView::Pimpl::workAreaExpose()
 
 void BufferView::Pimpl::update()
 {
-       if (screen_) screen_->Update(bv_->text);
+       if (screen_) screen_->Update(bv_->text, bv_);
 }
 
 // Values used when calling update:
@@ -1071,7 +1057,7 @@ void BufferView::Pimpl::update(BufferView::UpdateCodes f)
        update();
 
        if ((f & FITCUR)) {
-               fitCursor();
+               fitCursor(bv_->text);
        }
 
        if ((f & CHANGE)) {
@@ -1137,11 +1123,10 @@ void BufferView::Pimpl::cursorToggle()
                goto set_timer_and_return;
        }
 
-       if (!bv_->the_locking_inset) {
-               screen_->CursorToggle(bv_->text);
+       if (!bv_->theLockingInset()) {
+               screen_->CursorToggle(bv_->text, bv_);
        } else {
-               bv_->the_locking_inset->
-                       ToggleInsetCursor(bv_);
+               bv_->theLockingInset()->ToggleInsetCursor(bv_);
        }
        
   set_timer_and_return:
@@ -1150,45 +1135,53 @@ void BufferView::Pimpl::cursorToggle()
 }
 
 
-void BufferView::Pimpl::cursorPrevious()
+void BufferView::Pimpl::cursorPrevious(LyXText * text)
 {
-       if (!bv_->text->cursor.row()->previous()) return;
+       if (!text->cursor.row()->previous())
+               return;
        
-       long y = bv_->text->first;
-       Row * cursorrow = bv_->text->cursor.row();
-       bv_->text->SetCursorFromCoordinates(bv_, bv_->text->cursor.x_fix(), y);
+       int y = text->first;
+       if (text->inset_owner)
+               y += bv_->text->first;
+       Row * cursorrow = text->cursor.row();
+       text->SetCursorFromCoordinates(bv_, bv_->text->cursor.x_fix(), y);
        bv_->text->FinishUndo();
        // This is to allow jumping over large insets
-       if ((cursorrow == bv_->text->cursor.row()))
-               bv_->text->CursorUp(bv_);
+       if ((cursorrow == text->cursor.row()))
+               text->CursorUp(bv_);
        
-       if (bv_->text->cursor.row()->height() < workarea_->height())
-               screen_->Draw(bv_->text,
-                             bv_->text->cursor.y()
-                             - bv_->text->cursor.row()->baseline()
-                             + bv_->text->cursor.row()->height()
+       if (text->inset_owner ||
+           text->cursor.row()->height() < workarea_->height())
+               screen_->Draw(bv_->text, bv_,
+                             text->cursor.y()
+                             - text->cursor.row()->baseline()
+                             + text->cursor.row()->height()
                              - workarea_->height() + 1 );
        updateScrollbar();
 }
 
 
-void BufferView::Pimpl::cursorNext()
+void BufferView::Pimpl::cursorNext(LyXText * text)
 {
-       if (!bv_->text->cursor.row()->next()) return;
+       if (!text->cursor.row()->next())
+               return;
        
-       long y = bv_->text->first;
-       bv_->text->GetRowNearY(y);
-       Row * cursorrow = bv_->text->cursor.row();
-       bv_->text->SetCursorFromCoordinates(bv_, bv_->text->cursor.x_fix(), y
-                                      + workarea_->height());
+       int y = text->first + workarea_->height();
+//     if (text->inset_owner)
+//             y += bv_->text->first;
+       text->GetRowNearY(y);
+    
+       Row * cursorrow = text->cursor.row();
+       text->SetCursorFromCoordinates(bv_, text->cursor.x_fix(), y); // + workarea_->height());
        bv_->text->FinishUndo();
        // This is to allow jumping over large insets
        if ((cursorrow == bv_->text->cursor.row()))
-               bv_->text->CursorDown(bv_);
+               text->CursorDown(bv_);
        
-       if (bv_->text->cursor.row()->height() < workarea_->height())
-               screen_->Draw(bv_->text, bv_->text->cursor.y()
-                            - bv_->text->cursor.row()->baseline());
+       if (text->inset_owner ||
+           text->cursor.row()->height() < workarea_->height())
+               screen_->Draw(bv_->text, bv_, text->cursor.y() -
+                             text->cursor.row()->baseline());
        updateScrollbar();
 }
 
@@ -1224,15 +1217,19 @@ void BufferView::Pimpl::restorePosition()
        
        int  x, y;
        string fname = backstack.pop(&x, &y);
-       
+
        beforeChange();
-       Buffer * b = bufferlist.exists(fname) ?
-               bufferlist.getBuffer(fname) :
-               bufferlist.loadLyXFile(fname); // don't ask, just load it
-       buffer(b);
+
+       if (fname != buffer_->fileName()) {
+               Buffer * b = bufferlist.exists(fname) ?
+                       bufferlist.getBuffer(fname) :
+                       bufferlist.loadLyXFile(fname); // don't ask, just load it
+               if (b != 0 ) buffer(b);
+       }
+
        bv_->text->SetCursorFromCoordinates(bv_, x, y);
        update(BufferView::SELECT|BufferView::FITCUR);
-} 
+}
 
 
 bool BufferView::Pimpl::NoSavedPositions()
@@ -1246,8 +1243,9 @@ void BufferView::Pimpl::setState()
        if (!lyxrc.rtl_support)
                return;
 
-       if (bv_->text->real_current_font.isRightToLeft() &&
-           bv_->text->real_current_font.latex() != LyXFont::ON) {
+       LyXText * text = bv_->getLyXText();
+       if (text->real_current_font.isRightToLeft() &&
+           text->real_current_font.latex() != LyXFont::ON) {
                if (owner_->getIntl()->primarykeymap)
                        owner_->getIntl()->KeyMapSec();
        } else {
@@ -1259,9 +1257,9 @@ void BufferView::Pimpl::setState()
 
 void BufferView::Pimpl::insetSleep()
 {
-       if (bv_->the_locking_inset && !bv_->inset_slept) {
-               bv_->the_locking_inset->GetCursorPos(bv_, bv_->slx, bv_->sly);
-               bv_->the_locking_inset->InsetUnlock(bv_);
+       if (bv_->theLockingInset() && !bv_->inset_slept) {
+               bv_->theLockingInset()->GetCursorPos(bv_, bv_->slx, bv_->sly);
+               bv_->theLockingInset()->InsetUnlock(bv_);
                bv_->inset_slept = true;
        }
 }
@@ -1269,8 +1267,8 @@ void BufferView::Pimpl::insetSleep()
 
 void BufferView::Pimpl::insetWakeup()
 {
-       if (bv_->the_locking_inset && bv_->inset_slept) {
-               bv_->the_locking_inset->Edit(bv_, bv_->slx, bv_->sly, 0);
+       if (bv_->theLockingInset() && bv_->inset_slept) {
+               bv_->theLockingInset()->Edit(bv_, bv_->slx, bv_->sly, 0);
                bv_->inset_slept = false;
        }
 }
@@ -1278,9 +1276,10 @@ void BufferView::Pimpl::insetWakeup()
 
 void BufferView::Pimpl::insetUnlock()
 {
-       if (bv_->the_locking_inset) {
-               if (!bv_->inset_slept) bv_->the_locking_inset->InsetUnlock(bv_);
-               bv_->the_locking_inset = 0;
+       if (bv_->theLockingInset()) {
+               if (!bv_->inset_slept)
+                       bv_->theLockingInset()->InsetUnlock(bv_);
+               bv_->theLockingInset(0);
                bv_->text->FinishUndo();
                bv_->inset_slept = false;
        }
@@ -1314,7 +1313,7 @@ bool BufferView::Pimpl::belowMouse() const
 void BufferView::Pimpl::showCursor()
 {
        if (screen_)
-               screen_->ShowCursor(bv_->text);
+               screen_->ShowCursor(bv_->text, bv_);
 }
 
 
@@ -1328,24 +1327,24 @@ void BufferView::Pimpl::hideCursor()
 void BufferView::Pimpl::toggleSelection(bool b)
 {
        if (screen_)
-               screen_->ToggleSelection(bv_->text, b);
+               screen_->ToggleSelection(bv_->text, bv_, b);
 }
 
 
 void BufferView::Pimpl::toggleToggle()
 {
        if (screen_)
-               screen_->ToggleToggle(bv_->text);
+               screen_->ToggleToggle(bv_->text, bv_);
 }
 
 
 void BufferView::Pimpl::center() 
 {
        beforeChange();
-       if (bv_->text->cursor.y() > workarea_->height() / 2) {
-               screen_->Draw(bv_->text, bv_->text->cursor.y() - workarea_->height() / 2);
+       if (bv_->text->cursor.y() > static_cast<int>((workarea_->height() / 2))) {
+               screen_->Draw(bv_->text, bv_, bv_->text->cursor.y() - workarea_->height() / 2);
        } else {
-               screen_->Draw(bv_->text, 0);
+               screen_->Draw(bv_->text, bv_, 0);
        }
        update(BufferView::SELECT|BufferView::FITCUR);
        redraw();
@@ -1359,7 +1358,7 @@ void BufferView::Pimpl::pasteClipboard(bool asPara)
        screen_->HideCursor();
        bv_->beforeChange();
        
-       string clip(workarea_->getClipboard());
+       string const clip(workarea_->getClipboard());
        
        if (clip.empty()) return;