/*-*- c++ -*-********************************************************
* wxLayoutList.h - a formatted text rendering engine for wxWindows *
* *
- * (C) 1999 by Karsten Ballüder (Ballueder@usa.net) *
+ * (C) 1999 by Karsten Ballüder (ballueder@gmx.net) *
* *
* $Id$
*******************************************************************/
# define WXMENU_LAYOUT_LCLICK 1111
# define WXMENU_LAYOUT_RCLICK 1112
# define WXMENU_LAYOUT_DBLCLICK 1113
+#else // for Mahogany only:
+# include "MObject.h"
#endif
// use the wxWindows caret class instead of home grown cursor whenever possible
its size.
*/
class wxLayoutObject
+#ifdef M_BASEDIR
+ : public MObject
+#endif
{
public:
/** This structure can be used to contain data associated with the
protected:
/// optional data for application's use
UserData *m_UserData;
+#if defined (M_BASEDIR) && defined (DEBUG)
+ MOBJECT_NAME(wxLayoutObject)
+#endif
};
/// Define a list type of wxLayoutObject pointers.
CoordType GetHeight(void) const { return m_Height; }
/// Returns the width of this line.
CoordType GetWidth(void) const { return m_Width; }
- /** This will recalculate the position and size of this line.
- If called recursively it will abort if the position of an
- object is unchanged, assuming that none of the following
- objects need to move.
- @param recurse if greater 0 then it will be used as the
- minimum(!) recursion level, continue with all lines till the end of
- the list or until the coordinates no longer changed.
- */
- void RecalculatePositions(int recurse, wxLayoutList *llist);
/// Recalculates the position of this line on the canvas.
wxPoint RecalculatePosition(wxLayoutList *llist);
m_Dirty = true;
}
- /** Marks the following lines as dirty.
- @param recurse if -1 recurse to end of list, otherwise depth of recursion.
- */
- void MarkNextDirty(int recurse = 0);
/// Reset the dirty flag
void MarkClean() { m_Dirty = false; m_updateLeft = -1; }
@param height new height
*/
void SetHeight(CoordType height, wxLayoutList *llist)
- { m_Height = height; RecalculatePositions(true, llist); }
+ { m_Height = height; MarkDirty(); }
- /** Moves the linenumbers one on, because a line has been inserted
- or deleted.
- @param delta either +1 or -1
- */
- void MoveLines(int delta)
- {
- m_LineNumber += delta;
- if(m_Next) m_Next->MoveLines(delta);
- }
+ /** Updates the line numbers. */
+ void ReNumber(void);
//@}
private:
/// The line number.
/// Empty: clear the list but leave font settings.
void Empty(void);
+ /** Enable or disable auto-formatting. Normally, while editing this
+ should be enabled which is the default. While
+ inserting/deleting lots of text, it makes sense to temporarily
+ disable this.
+ @param enable TRUE to enable, FALSE to disable
+ */
+ void SetAutoFormatting(bool enable = TRUE)
+ { m_AutoFormat = enable; }
/**@name Cursor Management */
//@{
/** Set new cursor position.
@param offset an optional offset to shift printout
@param top optional y coordinate where to start drawing
@param bottom optional y coordinate where to stop drawing
+ @param clipStrictly if set, do not draw objects which reach
+ beyond "bottom". Set this when printing.
*/
void Draw(wxDC &dc,
const wxPoint &offset = wxPoint(0,0),
- CoordType top = -1, CoordType bottom = -1);
+ CoordType top = -1, CoordType bottom = -1,
+ bool clipStrictly = false);
/** Calculates new layout for the list, like Draw() but does not
actually draw it.
wxPoint *cpos = NULL,
wxPoint *csize = NULL);
+ /** Ensure that the whole list will be recalculate on the next call
+ to Layout() or Draw().
+ @param redrawAll TRUE or FALSE to reset it
+ */
+ void ForceTotalLayout(bool redrawAll = TRUE)
+ { m_ReLayoutAll = redrawAll; }
+
/** Returns the screen coordinates relating to a given cursor
position and the size of the cursor at that position.
@param dc for which to calculate it
wxPoint GetSize(void) const;
/** Returns the cursor position on the screen.
- @return cursor position in pixels
*/
- wxPoint GetCursorScreenPos(wxDC &dc);
+ wxPoint GetCursorScreenPos(void) const;
/** Draws the cursor.
@param active If true, draw a bold cursor to mark window as
/// adds the cursor position to the update rectangle
void AddCursorPosToUpdateRect()
{
- #ifndef WXLAYOUT_USE_CARET
- SetUpdateRect(m_CursorScreenPos);
- SetUpdateRect(m_CursorScreenPos+m_CursorSize);
+#ifndef WXLAYOUT_USE_CARET
+ SetUpdateRect(m_CursorScreenPos);
+ SetUpdateRect(m_CursorScreenPos+m_CursorSize);
//#else - the caret will take care of refreshing itself
- #endif // !WXLAYOUT_USE_CARET
+#endif // !WXLAYOUT_USE_CARET
}
/// Invalidates the update rectangle.
void InvalidateUpdateRect(void) { m_UpdateRectValid = false; }
void DecNumLines() { m_numLines--; }
/// get the line by number
- wxLayoutLine *GetLine(CoordType index) const
- {
- wxASSERT_MSG( (0 <= index) && (index < (CoordType)m_numLines),
- "invalid index" );
-
- wxLayoutLine *line;
- CoordType n = index;
- for ( line = m_FirstLine; line && n-- > 0; line = line->GetNextLine() )
- ;
-
- if ( line )
- {
- // should be the right one
- wxASSERT( line->GetLineNumber() == index );
- }
-
- return line;
- }
-
+ wxLayoutLine *GetLine(CoordType index) const;
private:
/// Clear the list.
void InternalClear(void);
/// Is the update rectangle valid?
bool m_UpdateRectValid;
+ /// Shall we auto-format?
+ bool m_AutoFormat;
+ /// Shall we re-layout everything?
+ bool m_ReLayoutAll;
/**@name Cursor Management */
//@{
/// Where the text cursor (column,line) is.
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