Do not let cursor overlap with inserted graphics.

[lyx.git] / src / BufferView.h

diff --git a/src/BufferView.h b/src/BufferView.h
index e831e3a2ebd7796df9c8bce9222b3108bd4dffe1..6cdc68534b3b3d2eed93d7547b1dd8ccf256a421 100644 (file)
--- a/src/BufferView.h
+++ b/src/BufferView.h
@@ -57,6 +57,16 @@ enum CursorStatus {
        CUR_BELOW
 };
 
+/// How to show cursor
+enum ScrollType {
+       // Make sure row if visible (do nothing if it is visible already)
+       SCROLL_VISIBLE,
+       // Force cursor to be on top of screen
+       SCROLL_TOP,
+       // Force cursor to be at center of screen
+       SCROLL_CENTER
+};
+
 /// Scrollbar Parameters.
 struct ScrollbarParameters
 {
@@ -155,8 +165,8 @@ public:
        int horizScrollOffset(Text const * text,
                              pit_type pit, pos_type pos) const;
 
-       /// reset the scrollbar to reflect current view position.
-       void updateScrollbar();
+       /// reset the scrollbar parameters to reflect current view position.
+       void updateScrollbarParameters();
        /// return the Scrollbar Parameters.
        ScrollbarParameters const & scrollbarParameters() const;
        /// \return Tool tip for the given position.
@@ -201,17 +211,17 @@ public:
        /// This method will automatically scroll and update the BufferView
        /// (metrics+drawing) if needed.
        void showCursor();
+
        /// Ensure the passed cursor \p dit is visible.
        /// This method will automatically scroll and update the BufferView
        /// (metrics+drawing) if needed.
-       /// \param recenter Whether the cursor should be centered on screen
-       /// \param force If true, disregard current position
-       void showCursor(DocIterator const & dit, bool recenter, bool force,
-               bool update);
+       /// \param how Use this scroll strategy
+       /// \param force If true, update screen after scrolling
+       void showCursor(DocIterator const & dit, ScrollType how, bool update);
        /// Scroll to the cursor.
-       /// \param recenter Whether the cursor should be centered on screen
-       /// \param force If true, disregard current position
-       bool scrollToCursor(DocIterator const & dit, bool recenter, bool force);
+       /// \param how Use this scroll strategy
+       /// \return true if screen was scrolled
+       bool scrollToCursor(DocIterator const & dit, ScrollType how);
        /// scroll down document by the given number of pixels.
        int scrollDown(int pixels);
        /// scroll up document by the given number of pixels.
@@ -375,6 +385,8 @@ public:
        bool clickableInset() const;
        ///
        void makeDocumentClass();
+       /// Are we currently performing a selection with the mouse?
+       bool mouseSelecting() const;
 
 private:
        /// noncopyable