* Copyright 2002-2006, project beam (http://sourceforge.net/projects/beam).
* All rights reserved. Distributed under the terms of the MIT License.
*
* Authors:
* Oliver Tappe <beam@hirschkaefer.de>
*/
#ifndef _AUTO_COMPLETER_DEFAULT_IMPL_H
#define _AUTO_COMPLETER_DEFAULT_IMPL_H
#include <ListView.h>
#include <String.h>
#include "AutoCompleter.h"
class BDefaultPatternSelector : public BAutoCompleter::PatternSelector {
public:
virtual void SelectPatternBounds(const BString& text,
int32 caretPos, int32* start,
int32* length);
};
class BDefaultCompletionStyle : public BAutoCompleter::CompletionStyle {
public:
BDefaultCompletionStyle(
BAutoCompleter::EditView* editView,
BAutoCompleter::ChoiceModel* choiceModel,
BAutoCompleter::ChoiceView* choiceView,
BAutoCompleter::PatternSelector*
patternSelector);
virtual ~BDefaultCompletionStyle();
virtual bool Select(int32 index);
virtual bool SelectNext(bool wrap = false);
virtual bool SelectPrevious(bool wrap = false);
virtual bool IsChoiceSelected() const;
virtual int32 SelectedChoiceIndex() const;
virtual void ApplyChoice(bool hideChoices = true);
virtual void CancelChoice();
virtual void EditViewStateChanged(bool updateChoices);
private:
BString fFullEnteredText;
int32 fSelectedIndex;
int32 fPatternStartPos;
int32 fPatternLength;
bool fIgnoreEditViewStateChanges;
};
class BDefaultChoiceView : public BAutoCompleter::ChoiceView {
protected:
class ListView : public BListView {
public:
ListView(
BAutoCompleter::CompletionStyle* completer);
virtual void SelectionChanged();
virtual void MessageReceived(BMessage* msg);
virtual void MouseDown(BPoint point);
virtual void AttachedToWindow();
private:
BAutoCompleter::CompletionStyle* fCompleter;
};
class ListItem : public BListItem {
public:
ListItem(const BAutoCompleter::Choice* choice);
virtual void DrawItem(BView* owner, BRect frame,
bool complete = false);
private:
BString fPreText;
BString fMatchText;
BString fPostText;
};
public:
BDefaultChoiceView();
virtual ~BDefaultChoiceView();
virtual void SelectChoiceAt(int32 index);
virtual void ShowChoices(
BAutoCompleter::CompletionStyle* completer);
virtual void HideChoices();
virtual bool ChoicesAreShown();
virtual int32 CountVisibleChoices() const;
void SetMaxVisibleChoices(int32 choices);
int32 MaxVisibleChoices() const;
private:
BWindow* fWindow;
ListView* fListView;
int32 fMaxVisibleChoices;
};
#endif
