src/apps/webpositive/autocompletion/TextViewCompleter.h

   1 /*
   2  * Copyright 2002-2006, project beam (http://sourceforge.net/projects/beam).
   3  * All rights reserved. Distributed under the terms of the MIT License.
   4  *
   5  * Authors:
   6  *              Oliver Tappe <beam@hirschkaefer.de>
   7  */
   8 #ifndef TEXT_CONTROL_COMPLETER_H
   9 #define TEXT_CONTROL_COMPLETER_H
  10
  11 #include <MessageFilter.h>
  12
  13 #include "AutoCompleter.h"
  14
  15
  16 class BTextView;
  17
  18 class TextViewCompleter : protected BAutoCompleter, public BMessageFilter {
  19 public:
  20                                                                 TextViewCompleter(BTextView* textView,
  21                                                                         ChoiceModel* choiceModel = NULL,
  22                                                                         PatternSelector* patternSelector = NULL);
  23         virtual                                         ~TextViewCompleter();
  24
  25                         void                            SetModificationsReported(bool reported);
  26                         void                            TextModified(bool updateChoices);
  27
  28 private:
  29         virtual filter_result           Filter(BMessage* message, BHandler** target);
  30
  31         class TextViewWrapper : public EditView {
  32         public:
  33                                                                 TextViewWrapper(BTextView* textView);
  34                 virtual BRect                   GetAdjustmentFrame();
  35                 virtual void                    GetEditViewState(BString& text,
  36                                                                         int32* caretPos);
  37                 virtual void                    SetEditViewState(const BString& text,
  38                                                                         int32 caretPos, int32 selectionLength = 0);
  39         private:
  40                                 BTextView*              fTextView;
  41         };
  42
  43 private:
  44                         BTextView*                      fTextView;
  45                         bool                            fModificationsReported;
  46 };
  47
  48 #endif // TEXT_CONTROL_COMPLETER_H