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c293be56bd
In particular, the directory frontends/qt4 is renamed to frontends/qt. Many configurations file have to be updated. All mentions of qt4 in the source have been audited, and changed to qt if necessary. The only part that has not been updated is the CMake build system.
146 lines
3.3 KiB
C++
146 lines
3.3 KiB
C++
// -*- C++ -*-
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/**
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* \file GuiCompleter.h
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* This file is part of LyX, the document processor.
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* Licence details can be found in the file COPYING.
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*
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* \author Stefan Schimanski
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*
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* Full author contact details are available in file CREDITS.
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*/
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#ifndef GUICOMPLETER_H
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#define GUICOMPLETER_H
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#include "DocIterator.h"
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#include "support/docstring.h"
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#include <QCompleter>
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#include <QTimer>
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namespace lyx {
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class Buffer;
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namespace frontend {
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class GuiWorkArea;
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class CompleterItemDelegate;
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class GuiCompletionModel;
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class GuiCompleter : private QCompleter
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{
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Q_OBJECT
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public:
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///
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GuiCompleter(GuiWorkArea * gui, QObject * parent = 0);
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///
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virtual ~GuiCompleter();
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///
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bool popupVisible() const;
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///
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bool inlineVisible() const;
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///
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bool popupPossible(Cursor const & cur) const;
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///
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bool inlinePossible(Cursor const & cur) const;
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///
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bool completionAvailable() const;
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/// Activate the current completion, i.e. finalize it.
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void activate();
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/// Do a completion as far as it is unique, but at least one character.
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void tab();
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/// Update the visibility of the popup and the inline completion.
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/// This method might set the update flags of the cursor to request
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/// a redraw.
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void updateVisibility(Cursor & cur, bool start, bool keep);
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/// Update the visibility of the popup and the inline completion.
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/// This method handles the redraw if needed.
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void updateVisibility(bool start, bool keep);
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///
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QString currentCompletion() const;
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///
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docstring longestUniqueCompletion() const;
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///
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bool uniqueCompletionAvailable() const;
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public Q_SLOTS:
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/// Show the popup.
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void showPopup();
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/// Show the inline completion.
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void showInline();
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/// Hide the popup.
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void hidePopup();
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/// Hide the inline completion.
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void hideInline();
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private Q_SLOTS:
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///
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void popupActivated(const QString & completion);
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///
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void popupHighlighted(const QString & completion);
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///
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void updateAvailability();
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/// the asynchronous part of updatePopup(cur)
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void asyncUpdatePopup();
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/// the asynchronous part of hidePopup(cur)
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void asyncHidePopup();
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/// the asynchronous part of hideInline(cur)
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void asyncHideInline();
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private:
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///
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void setCurrentCompletion(QString const & s);
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///
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void showPopup(Cursor const & cur);
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///
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void showInline(Cursor const & cur);
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///
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void hideInline(Cursor const & cur);
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///
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void updatePopup(Cursor const & cur);
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///
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void updateInline(Cursor const & cur, QString const & completion);
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///
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void updatePrefix(Cursor const & cur);
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///
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void updateModel(Cursor const & cur, bool popupUpdate, bool inlineUpdate);
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///
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bool eventFilter(QObject * watched, QEvent * event);
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///
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GuiWorkArea * gui_;
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///
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DocIterator old_cursor_;
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///
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QTimer popup_timer_;
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///
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QTimer inline_timer_;
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///
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QString last_selection_;
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/// lock to stop updates of the inline completion
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int updateLock_;
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/// the BufferView::inlineCursorPos might be reset by destructive
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/// operations like backspace. Hence, we have to keep this flag
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/// in addition to know whether the completion is to be kept visible.
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bool inlineVisible_;
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///
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bool popupVisible_;
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/// the model reset is asynchronous in hidePopup/Inline. So let's mark
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/// a coming reset here by setting it to false.
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bool modelActive_;
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///
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CompleterItemDelegate * itemDelegate_;
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///
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GuiCompletionModel * model_;
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}; // GuiCompleter
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} // namespace frontend
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} // namespace lyx
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#endif // GUICOMPLETER_H
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