X-Git-Url: https://git.lyx.org/gitweb/?a=blobdiff_plain;f=src%2FBufferView.h;h=f57801f6a3bc6c7335e4fbc3944f943429b85e24;hb=7800c057884f6a950bb21bce351968f50679f18c;hp=6aa2f067778cb41fe3d094a2fcd1c8cf520949e0;hpb=5a361b35cf0c2a2f1ca9535b0748045063f20555;p=lyx.git diff --git a/src/BufferView.h b/src/BufferView.h index 6aa2f06777..f57801f6a3 100644 --- a/src/BufferView.h +++ b/src/BufferView.h @@ -44,6 +44,7 @@ class PainterInfo; class ParIterator; class ParagraphMetrics; class Point; +class TexRow; class Text; class TextMetrics; @@ -117,19 +118,22 @@ public: */ void processUpdateFlags(Update::flags flags); - /// move the screen to fit the cursor. + /// return true if one shall move the screen to fit the cursor. /// Only to be called with good y coordinates (after a bv::metrics) - bool fitCursor(); + bool needsFitCursor() const; // Returns the amount of horizontal scrolling applied to the // top-level row where the cursor lies int horizScrollOffset() const; + // Returns the amount of horizontal scrolling applied to the + // row of text starting at (pit, pos) + int horizScrollOffset(Text const * text, + pit_type pit, pos_type pos) const; - // Points to the top-level row where the cursor lies (during draw). - CursorSlice const & currentRowSlice() const; - - // Points to the top-level row where the cursor lied at last draw event. - CursorSlice const & lastRowSlice() const; + // Returns true if the row of text starting at (pit, pos) was scrolled + // at the last draw event. + bool hadHorizScrollOffset(Text const * text, + pit_type pit, pos_type pos) const; /// reset the scrollbar to reflect current view position. void updateScrollbar(); @@ -159,6 +163,8 @@ public: /// set the cursor based on the given TeX source row. void setCursorFromRow(int row); + /// + void setCursorFromRow(int row, TexRow const & texrow); /// set cursor to the given inset. Return true if found. bool setCursorFromInset(Inset const *); @@ -167,11 +173,11 @@ public: void recenter(); /// Ensure that the BufferView cursor is visible. /// This method will automatically scroll and update the BufferView - /// if needed. + /// (metrics+drawing) if needed. void showCursor(); /// Ensure the passed cursor \p dit is visible. /// This method will automatically scroll and update the BufferView - /// if needed. + /// (metrics+drawing) if needed. /// \param recenter Whether the cursor should be centered on screen void showCursor(DocIterator const & dit, bool recenter, bool update);