UTF8: Fl_Text_Display and related:

+ Modified selection buffer access methods to return const Fl_Text_Selection pointers. Added a non const get method for the main selection buffer.


git-svn-id: file:///fltk/svn/fltk/branches/branch-1.3@6822 ea41ed52-d2ee-0310-a9c1-e6b18d33e121

FL/Fl_Text_Buffer.H

@@ -242,11 +242,13 @@ class FL_EXPORT Fl_Text_Buffer {
     /**    Returns the current nul substitution character.  */
     char null_substitution_character() const { return mNullSubsChar; }
     /**    Returns the primary selection.  */
+    const Fl_Text_Selection* primary_selection() const { return &mPrimary; }
+    /**    Returns the primary selection.  */
     Fl_Text_Selection* primary_selection() { return &mPrimary; }
     /**    Returns the secondary selection.  */
-    Fl_Text_Selection* secondary_selection() { return &mSecondary; }
+    const Fl_Text_Selection* secondary_selection() const { return &mSecondary; }
     /**    Returns the current highlight selection.  */
-    Fl_Text_Selection* highlight_selection() { return &mHighlight; }
+    const Fl_Text_Selection* highlight_selection() const { return &mHighlight; }
 
   protected:
     void call_modify_callbacks(int pos, int nDeleted, int nInserted,

FL/Fl_Text_Display.H

@@ -253,8 +253,8 @@ class FL_EXPORT Fl_Text_Display: public Fl_Group {
                          int *nextLineStart);
     int measure_proportional_character(char c, int colNum, int pos);
     int wrap_uses_character(int lineEndPos);
-    int range_touches_selection(Fl_Text_Selection *sel, int rangeStart,
-                                 int rangeEnd);
+    int range_touches_selection(const Fl_Text_Selection *sel, int rangeStart,
+                                 int rangeEnd) const;
 #ifndef FL_DOXYGEN
     int damage_range1_start, damage_range1_end;
     int damage_range2_start, damage_range2_end;

src/Fl_Text_Display.cxx

@@ -3011,8 +3011,8 @@ int Fl_Text_Display::wrap_uses_character(int lineEndPos) {
    Return true if the selection "sel" is rectangular, and touches a
    buffer position withing "rangeStart" to "rangeEnd"
 */
-int Fl_Text_Display::range_touches_selection(Fl_Text_Selection *sel,
-   int rangeStart, int rangeEnd) {
+int Fl_Text_Display::range_touches_selection(const Fl_Text_Selection *sel,
+   int rangeStart, int rangeEnd) const {
     return sel->selected() && sel->rectangular() && sel->end() >= rangeStart &&
     	    sel->start() <= rangeEnd;
 }