X-Git-Url: https://git.lyx.org/gitweb/?a=blobdiff_plain;f=src%2FCursor.h;h=719a2cbd4f8138e49259badd6abd6ac065cb22ce;hb=9ef7efd85a09edcca640f4f0fafbeb05548c5c99;hp=b19a12a9ae80e2acc95b53ef8b8850246340437f;hpb=742ee134a479869db23bd70f6bb7bc0e06ae3c36;p=lyx.git

diff --git a/src/Cursor.h b/src/Cursor.h
index b19a12a9ae..719a2cbd4f 100644
--- a/src/Cursor.h
+++ b/src/Cursor.h
@@ -36,9 +36,6 @@ class Encoding;
 
 
 /// The cursor class describes the position of a cursor within a document.
-
-// The public inheritance should go in favour of a suitable data member
-// (or maybe private inheritance) at some point of time.
 class Cursor : public DocIterator
 {
 public:
@@ -50,7 +47,7 @@ public:
 	/// dispatch from innermost inset upwards
 	void dispatch(FuncRequest const & cmd);
 	/// get the resut of the last dispatch
-	DispatchResult result() const;
+	DispatchResult const & result() const;
 	/// add a new cursor slice
 	void push(Inset & inset);
 	/// add a new cursor slice, place cursor at front (move backwards)
@@ -201,7 +198,11 @@ public:
 	int textTargetOffset() const;
 
 	/// access to normalized selection anchor
-	CursorSlice anchor() const;
+	CursorSlice normalAnchor() const;
+	// FIXME: this can't be a const & and a const function because
+	// LFUN_TAB_* wants to move the real anchor.
+	/// access to real selection anchor
+	DocIterator & realAnchor();
 	/// sets anchor to cursor position
 	void resetAnchor();
 	/// access to owning BufferView
@@ -227,8 +228,14 @@ public:
 	void undispatched();
 	/// the event was already dispatched
 	void dispatched();
-	/// Set which update should be done
-	void updateFlags(Update::flags f);
+	/// Set which screen update should be done
+	void screenUpdateFlags(Update::flags f);
+	/// Forces an updateBuffer() call
+	void forceBufferUpdate();
+	/// Removes any pending updateBuffer() call
+	void clearBufferUpdate();
+	/// Do we need to call updateBuffer()?
+	bool needBufferUpdate() const;
 	/**
 	 * don't call update() when done
 	 *
@@ -237,9 +244,9 @@ public:
 	 * not need to be re-drawn and all entries in the coord cache stay
 	 * valid (and there are no other things to put in the coord cache).
 	 * This is a fairly rare event as well and only some optimization.
-	 * Not using noUpdate() should never be wrong.
+	 * Not using noScreenUpdate() should never be wrong.
 	 */
-	void noUpdate();
+	void noScreenUpdate();
 	/// fix cursor in circumstances that should never happen.
 	/// \retval true if a fix occured.
 	bool fixIfBroken();
@@ -285,18 +292,20 @@ public:
 	void checkBufferStructure();
 
 public:
-	///
-	BufferView * bv_;
 //private:
-	/// the anchor position
-	DocIterator anchor_;
 	
 	///
-	DispatchResult disp_;
+	DocIterator const & beforeDispatchCursor() const { return beforeDispatchCursor_; }
 	///
-	DocIterator const & beforeDispatchCursor() { return beforeDispatchCursor_; }
-	
+	void saveBeforeDispatchPosXY();
+
 private:
+	///
+	BufferView * bv_;
+	/// the anchor position
+	DocIterator anchor_;
+	///
+	mutable DispatchResult disp_;
 	/**
 	 * The target x position of the cursor. This is used for when
 	 * we have text like :
@@ -325,6 +334,10 @@ private:
 	bool logicalpos_;
 	/// position before dispatch started
 	DocIterator beforeDispatchCursor_;
+	/// cursor screen coordinates before dispatch started
+	int beforeDispatchPosX_;
+	int beforeDispatchPosY_;
+
 
 // FIXME: make them private.
 public: