]> git.lyx.org Git - lyx.git/blobdiff - src/BufferView.cpp
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[lyx.git] / src / BufferView.cpp
index 6de832dae58715af6b55b0286c882e39595b596d..f02cb6668613fba7a97ca28763d0cbf8dfc5a472 100644 (file)
@@ -370,13 +370,13 @@ int BufferView::leftMargin() const
 
 bool BufferView::isTopScreen() const
 {
-       return d->scrollbarParameters_.position == d->scrollbarParameters_.min;
+       return 0 == d->scrollbarParameters_.min;
 }
 
 
 bool BufferView::isBottomScreen() const
 {
-       return d->scrollbarParameters_.position == d->scrollbarParameters_.max;
+       return 0 == d->scrollbarParameters_.max;
 }
 
 
@@ -559,7 +559,6 @@ void BufferView::updateScrollbar()
        for (size_t i = last.first + 1; i != parsize; ++i)
                d->scrollbarParameters_.max += d->par_height_[i];
 
-       d->scrollbarParameters_.position = 0;
        // The reference is the top position so we remove one page.
        if (lyxrc.scroll_below_document)
                d->scrollbarParameters_.max -= minVisiblePart();
@@ -600,17 +599,19 @@ string BufferView::contextMenu(int x, int y) const
 }
 
 
-void BufferView::scrollDocView(int value, bool update)
+
+void BufferView::scrollDocView(int const value, bool update)
 {
-       int const offset = value - d->scrollbarParameters_.position;
+       // The scrollbar values are relative to the top of the screen, therefore the
+       // offset is equal to the target value.
 
        // No scrolling at all? No need to redraw anything
-       if (offset == 0)
+       if (value == 0)
                return;
 
        // If the offset is less than 2 screen height, prefer to scroll instead.
-       if (abs(offset) <= 2 * height_) {
-               d->anchor_ypos_ -= offset;
+       if (abs(value) <= 2 * height_) {
+               d->anchor_ypos_ -= value;
                buffer_.changed(true);
                updateHoveredInset();
                return;
@@ -707,9 +708,7 @@ Change const BufferView::getCurrentChange() const
 
        DocIterator dit = d->cursor_.selectionBegin();
        // The selected content might have been changed (see #7685)
-       while (dit.inMathed())
-               // Find enclosing text cursor
-               dit.pop_back();
+       dit = dit.getInnerText();
        return dit.paragraph().lookupChange(dit.pos());
 }
 
@@ -1132,11 +1131,7 @@ bool BufferView::getStatus(FuncRequest const & cmd, FuncStatus & flag)
        case LFUN_CHANGE_PREVIOUS:
        case LFUN_ALL_CHANGES_ACCEPT:
        case LFUN_ALL_CHANGES_REJECT:
-               // TODO: context-sensitive enabling of LFUNs
-               // In principle, these command should only be enabled if there
-               // is a change in the document. However, without proper
-               // optimizations, this will inevitably result in poor performance.
-               flag.setEnabled(true);
+               flag.setEnabled(buffer_.areChangesPresent());
                break;
 
        case LFUN_SCREEN_UP:
@@ -1354,6 +1349,16 @@ void BufferView::dispatch(FuncRequest const & cmd, DispatchResult & dr)
                else
                        dr.screenUpdate(Update::Force | Update::FitCursor);
                dr.forceBufferUpdate();
+               // we only need to do this if we have deleted or restored a
+               // BiBTeX inset. but there is no other place to do it. one
+               // obvious idea is to try to do it in a copy constructor for
+               // InsetBibTeX, but when that is invoked, the buffer_ member 
+               // is not yet set. another idea is to look at the InsetLists
+               // of the various paragraphs. but we'd have to recurse through
+               // the contained insets to make that work. it doesn't seem to
+               // be worth it, as this will not happen that often.
+               buffer().invalidateBibfileCache();
+               buffer().removeBiblioTempFiles();
                break;
 
        case LFUN_REDO:
@@ -1364,6 +1369,9 @@ void BufferView::dispatch(FuncRequest const & cmd, DispatchResult & dr)
                else
                        dr.screenUpdate(Update::Force | Update::FitCursor);
                dr.forceBufferUpdate();
+               // see above
+               buffer().invalidateBibfileCache();
+               buffer().removeBiblioTempFiles();
                break;
 
        case LFUN_FONT_STATE:
@@ -1593,7 +1601,7 @@ void BufferView::dispatch(FuncRequest const & cmd, DispatchResult & dr)
                break;
 
        case LFUN_MARK_TOGGLE:
-               cur.setSelection(false);
+               cur.selection(false);
                if (cur.mark()) {
                        cur.setMark(false);
                        dr.setMessage(from_utf8(N_("Mark removed")));
@@ -1777,26 +1785,30 @@ void BufferView::dispatch(FuncRequest const & cmd, DispatchResult & dr)
        }
 
 
-       case LFUN_INSET_SELECT_ALL:
-               if (cur.depth() > 1
+       case LFUN_INSET_SELECT_ALL: {
+               // true if all cells are selected
+               bool const all_selected = cur.depth() > 1
                    && cur.selBegin().at_begin()
-                   && cur.selEnd().at_end()) {
-                       // All the contents of the inset if selected.
+                   && cur.selEnd().at_end();
+               // true if some cells are selected
+               bool const cells_selected = cur.depth() > 1
+                   && cur.selBegin().at_cell_begin()
+                       && cur.selEnd().at_cell_end();
+               if (all_selected || (cells_selected && !cur.inset().isTable())) {
+                       // All the contents of the inset if selected, or only at
+                       // least one cell but inset is not a table.
                        // Select the inset from outside.
                        cur.pop();
                        cur.resetAnchor();
-                       cur.setSelection(true);
+                       cur.selection(true);
                        cur.posForward();
-               } else if (cur.selBegin().idx() != cur.selEnd().idx()
-                          || (cur.depth() > 1
-                                  && cur.selBegin().at_cell_begin()
-                              && cur.selEnd().at_cell_end())) {
-                       // At least one complete cell is selected.
+               } else if (cells_selected) {
+                       // At least one complete cell is selected and inset is a table.
                        // Select all cells
                        cur.idx() = 0;
                        cur.pos() = 0;
                        cur.resetAnchor();
-                       cur.setSelection(true);
+                       cur.selection(true);
                        cur.idx() = cur.lastidx();
                        cur.pos() = cur.lastpos();
                } else {
@@ -1804,13 +1816,14 @@ void BufferView::dispatch(FuncRequest const & cmd, DispatchResult & dr)
                        cur.pit() = 0;
                        cur.pos() = 0;
                        cur.resetAnchor();
-                       cur.setSelection(true);
+                       cur.selection(true);
                        cur.pit() = cur.lastpit();
                        cur.pos() = cur.lastpos();
                }
                cur.setCurrentFont();
                dr.screenUpdate(Update::Force);
                break;
+       }
 
 
        // This would be in Buffer class if only Cursor did not
@@ -1850,9 +1863,17 @@ void BufferView::dispatch(FuncRequest const & cmd, DispatchResult & dr)
                        if (!cur.nextInset() || cur.nextInset() == ins)
                                cur.forwardInset();
                }
-               cur.endUndoGroup();
                cur = savecur;
                cur.fixIfBroken();
+               /** This is a dummy undo record only to remember the cursor
+                * that has just been set; this will be used on a redo action
+                * (see ticket #10097)
+
+                * FIXME: a better fix would be to have a way to set the
+                * cursor value directly, but I am not sure it is worth it.
+                */
+               cur.recordUndo();
+               cur.endUndoGroup();
                dr.screenUpdate(Update::Force);
                dr.forceBufferUpdate();
 
@@ -2124,7 +2145,7 @@ void BufferView::updateHoveredInset() const
        int const y = d->mouse_position_cache_.y_;
        Inset const * covering_inset = getCoveringInset(buffer_.text(), x, y);
 
-       d->clickable_inset_ = covering_inset && covering_inset->clickable(x, y);
+       d->clickable_inset_ = covering_inset && covering_inset->clickable(*this, x, y);
 
        if (covering_inset == d->last_inset_)
                // Same inset, no need to do anything...
@@ -2180,7 +2201,7 @@ void BufferView::mouseEventDispatch(FuncRequest const & cmd0)
        Cursor old = cursor();
        Cursor cur(*this);
        cur.push(buffer_.inset());
-       cur.setSelection(d->cursor_.selection());
+       cur.selection(d->cursor_.selection());
 
        // Either the inset under the cursor or the
        // surrounding Text will handle this event.
@@ -2203,9 +2224,14 @@ void BufferView::mouseEventDispatch(FuncRequest const & cmd0)
                // inset (depending on cmd.x(), cmd.y()). This is needed for
                // editing to fix bug 9628, but e.g. the context menu needs a
                // cursor in front of the inset.
-               if (inset->hasSettings() &&
+               if ((inset->hasSettings() || !inset->contextMenuName().empty()
+                    || inset->lyxCode() == SEPARATOR_CODE) &&
                    cur.nextInset() != inset && cur.prevInset() == inset)
                        cur.posBackward();
+       } else if (cur.inTexted() && cur.pos()
+                       && cur.paragraph().isEnvSeparator(cur.pos() - 1)) {
+               // Always place cursor in front of a separator inset.
+               cur.posBackward();
        }
 
        // Put anchor at the same position.
@@ -2225,8 +2251,6 @@ void BufferView::mouseEventDispatch(FuncRequest const & cmd0)
        if (!inset || !cur.result().dispatched())
                cur.dispatch(cmd);
 
-       cur.endUndoGroup();
-
        // Notify left insets
        if (cur != old) {
                bool badcursor = old.fixIfBroken() | cur.fixIfBroken();
@@ -2235,6 +2259,8 @@ void BufferView::mouseEventDispatch(FuncRequest const & cmd0)
                        cursor().fixIfBroken();
        }
 
+       cur.endUndoGroup();
+
        // Do we have a selection?
        theSelection().haveSelection(cursor().selection());
 
@@ -2362,7 +2388,7 @@ void BufferView::setCursorFromRow(int row, TexRow const & texrow)
        }
        d->cursor_.reset();
        buffer_.text().setCursor(d->cursor_, newpit, newpos);
-       d->cursor_.setSelection(false);
+       d->cursor_.selection(false);
        d->cursor_.resetAnchor();
        recenter();
 }
@@ -2397,8 +2423,8 @@ void BufferView::gotoLabel(docstring const & label)
 
                // find label
                shared_ptr<Toc> toc = buf->tocBackend().toc("label");
-               TocIterator toc_it = toc->begin();
-               TocIterator end = toc->end();
+               Toc::const_iterator toc_it = toc->begin();
+               Toc::const_iterator end = toc->end();
                for (; toc_it != end; ++toc_it) {
                        if (label == toc_it->str()) {
                                lyx::dispatch(toc_it->action());
@@ -2448,7 +2474,7 @@ void BufferView::setCursor(DocIterator const & dit)
                dit[i].inset().edit(d->cursor_, true);
 
        d->cursor_.setCursor(dit);
-       d->cursor_.setSelection(false);
+       d->cursor_.selection(false);
        d->cursor_.setCurrentFont();
        // FIXME
        // It seems on general grounds as if this is probably needed, but
@@ -2512,11 +2538,8 @@ bool BufferView::mouseSetCursor(Cursor & cur, bool select)
        // FIXME: (2) if we had a working InsetText::notifyCursorLeaves,
        // the leftinset bool would not be necessary (badcursor instead).
        bool update = leftinset;
-       if (!do_selection && d->cursor_.inTexted()) {
+       if (!do_selection && d->cursor_.inTexted())
                update |= checkDepm(cur, d->cursor_);
-               if (cur.pos() && cur.paragraph().isEnvSeparator(cur.pos() - 1))
-                   cur.posBackward();
-       }
 
        if (!do_selection)
                d->cursor_.resetAnchor();
@@ -2580,7 +2603,7 @@ bool BufferView::selectIfEmpty(DocIterator & cur)
        d->cursor_.setCursor(cur);
        d->cursor_.pit() = beg_pit;
        d->cursor_.pos() = 0;
-       d->cursor_.setSelection(false);
+       d->cursor_.selection(false);
        d->cursor_.resetAnchor();
        d->cursor_.pit() = end_pit;
        d->cursor_.pos() = end_pos;
@@ -2905,15 +2928,26 @@ int BufferView::horizScrollOffset() const
 }
 
 
-CursorSlice const & BufferView::currentRowSlice() const
+int BufferView::horizScrollOffset(Text const * text,
+                                  pit_type pit, pos_type pos) const
 {
-       return d->current_row_slice_;
+       // Is this a row that is currently scrolled?
+       if (!d->current_row_slice_.empty()
+           && &text->inset() == d->current_row_slice_.inset().asInsetText()
+           && pit ==  d->current_row_slice_.pit()
+           && pos ==  d->current_row_slice_.pos())
+               return d->horiz_scroll_offset_;
+       return 0;
 }
 
 
-CursorSlice const & BufferView::lastRowSlice() const
+bool BufferView::hadHorizScrollOffset(Text const * text,
+                                      pit_type pit, pos_type pos) const
 {
-       return d->last_row_slice_;
+       return !d->last_row_slice_.empty()
+              && &text->inset() == d->last_row_slice_.inset().asInsetText()
+              && pit ==  d->last_row_slice_.pit()
+              && pos ==  d->last_row_slice_.pos();
 }
 
 
@@ -2979,8 +3013,7 @@ void BufferView::checkCursorScrollOffset(PainterInfo & pi)
                bool const drawing = pi.pain.isDrawingEnabled();
                pi.pain.setDrawingEnabled(false);
                // No need to care about vertical position.
-               RowPainter rp(pi, buffer().text(), d->cursor_.bottom().pit(), row,
-                             -d->horiz_scroll_offset_, 0);
+               RowPainter rp(pi, buffer().text(), row, -d->horiz_scroll_offset_, 0);
                rp.paintText();
                pi.pain.setDrawingEnabled(drawing);
        }