HTML for math sizes.

[lyx.git] / src / Cursor.h

diff --git a/src/Cursor.h b/src/Cursor.h
index a35a46c95b6638237bbbf254c20f8e93e5294816..f1a859662020c8953889b418e9b832adda2837d1 100644 (file)
--- a/src/Cursor.h
+++ b/src/Cursor.h
@@ -4,7 +4,7 @@
  * This file is part of LyX, the document processor.
  * Licence details can be found in the file COPYING.
  *
- * \author André Pönitz
+ * \author André Pönitz
  *
  * Full author contact details are available in file CREDITS.
  */
@@ -17,6 +17,8 @@
 #include "Font.h"
 #include "Undo.h"
 
+#include "mathed/MathParser_flags.h"
+
 #include <vector>
 
 
@@ -37,11 +39,14 @@ class Encoding;
 
 // 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 {
+class Cursor : public DocIterator
+{
 public:
        /// create the cursor of a BufferView
        explicit Cursor(BufferView & bv);
 
+       /// returns true if we made a decision
+       bool getStatus(FuncRequest const & cmd, FuncStatus & flag) const;
        /// dispatch from innermost inset upwards
        void dispatch(FuncRequest const & cmd);
        /// get the resut of the last dispatch
@@ -60,6 +65,8 @@ public:
        void leaveInset(Inset const & inset);
        /// sets cursor part
        void setCursor(DocIterator const & it);
+       /// sets the cursor to the normalized selection anchor
+       void setCursorToAnchor();
 
        ///
        void setCurrentFont();
@@ -69,18 +76,22 @@ public:
        //
        /// selection active?
        bool selection() const { return selection_; }
-       /// selection active?
-       bool & selection() { return selection_; }
+       /// set selection;
+       void setSelection(bool sel) { selection_ = sel; }
        /// do we have a multicell selection?
        bool selIsMultiCell() const 
                { return selection_ && selBegin().idx() != selEnd().idx(); }
        /// do we have a multiline selection?
        bool selIsMultiLine() const 
                { return selection_ && selBegin().pit() != selEnd().pit(); }
+       /// 
+       void setWordSelection(bool set) { word_selection_ = set; }
+       ///
+       bool wordSelection() { return word_selection_; }
        /// did we place the anchor?
        bool mark() const { return mark_; }
        /// did we place the anchor?
-       bool & mark() { return mark_; }
+       void setMark(bool mark) { mark_ = mark; }
        ///
        void setSelection();
        /// set selection at given position
@@ -95,12 +106,12 @@ public:
        DocIterator selectionBegin() const;
        /// access start of selection
        DocIterator selectionEnd() const;
-       /*
-         Update the selection status and save permanent
-         selection if needed.
-         @param selecting the new selection status
-         @return whether the selection status has changed 
-       */
+       /**
+        * Update the selection status and save permanent
+        * selection if needed.
+        * @param selecting the new selection status
+        * @return whether the selection status has changed
+        */
        bool selHandle(bool selecting);
        ///
        docstring selectionAsString(bool label) const;
@@ -195,15 +206,13 @@ public:
        void resetAnchor();
        /// access to owning BufferView
        BufferView & bv() const;
-       /// access to owning Buffer
-       Buffer & buffer() const;
        /// get some interesting description of top position
        void info(odocstream & os) const;
        /// are we in math mode (2), text mode (1) or unsure (0)?
        int currentMode();
-       /// reset cursor bottom to the beginning of the given inset
+       /// reset cursor bottom to the beginning of the top inset
        // (sort of 'chroot' environment...)
-       void reset(Inset &);
+       void reset();
        /// for spellchecking
        void replaceWord(std::string const & replacestring);
        /**
@@ -283,10 +292,12 @@ public:
        DocIterator anchor_;
        
        ///
-       DispatchResult disp_;
+       mutable DispatchResult disp_;
        ///
-       DocIterator const & beforeDispatchCursor() { return beforeDispatchCursor_; }
-       
+       DocIterator const & beforeDispatchCursor() const { return beforeDispatchCursor_; }
+       ///
+       void saveBeforeDispatchPosXY();
+
 private:
        /**
         * The target x position of the cursor. This is used for when
@@ -307,6 +318,8 @@ private:
        bool selection_;
        /// are we on the way to get one?
        bool mark_;
+       /// are we in word-selection mode? This is set when double clicking.
+       bool word_selection_;
        /// If true, we are behind the previous char, otherwise we are in front
        // of the next char. This only make a difference when we are in front
        // of a big inset spanning a whole row and computing coordinates for
@@ -314,6 +327,10 @@ private:
        bool logicalpos_;
        /// position before dispatch started
        DocIterator beforeDispatchCursor_;
+       /// cursor screen coordinates before dispatch started
+       int beforeDispatchPosX_;
+       int beforeDispatchPosY_;
+
 
 // FIXME: make them private.
 public:
@@ -356,6 +373,8 @@ public:
        /// move the cursor up by sending an internal LFUN_DOWN,
        /// return true if fullscreen update is needed
        bool down();
+       /// whether the cursor is either at the first or last row
+       bool atFirstOrLastRow(bool up);
        /// move up/down in a text inset, called for LFUN_UP/DOWN,
        /// return true if successful, updateNeeded set to true if fullscreen
        /// update is needed, otherwise it's not touched
@@ -370,7 +389,8 @@ public:
        ///
        void niceInsert(MathAtom const & at);
        ///
-       void niceInsert(docstring const & str);
+       void niceInsert(docstring const & str, Parse::flags f = Parse::NORMAL,
+                       bool enter = true);
 
        /// in pixels from top of screen
        void setScreenPos(int x, int y);
@@ -427,11 +447,12 @@ public:
 
 
 /**
- * Notifies all insets which appear in old, but not in cur. Make
- * Sure that the cursor old is valid, i.e. all inset pointers
+ * Notifies all insets which appear in old, but not in cur. And then
+ * notify all insets which appear in cur, but not in old.
+ * Make sure that the cursor old is valid, i.e. all inset pointers
  * point to valid insets! Use Cursor::fixIfBroken if necessary.
  */
-bool notifyCursorLeaves(Cursor const & old, Cursor & cur);
+bool notifyCursorLeavesOrEnters(Cursor const & old, Cursor & cur);
 
 
 } // namespace lyx