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233 lines
6.6 KiB
233 lines
6.6 KiB
/**************************************************************************
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* Copyright (C) 2006 by Michel Ludwig (michel.ludwig@kdemail.net) *
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***************************************************************************/
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/**************************************************************************
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* *
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* This program is free software; you can redistribute it and/or modify *
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* it under the terms of the GNU General Public License as published by *
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* the Free Software Foundation; either version 2 of the License, or *
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* (at your option) any later version. *
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* *
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***************************************************************************/
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#ifndef EDITORKEYSEQUENCEMANAGER_H
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#define EDITORKEYSEQUENCEMANAGER_H
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#include <tqevent.h>
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#include <tqmap.h>
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#include <tqobject.h>
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#include <tqstring.h>
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#include <tqstringlist.h>
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// include <tdeaction.h>
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#include <kate/view.h>
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namespace KileJScript {
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class JScript;
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class Manager;
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}
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class KileInfo;
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namespace KileEditorKeySequence {
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/**
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* This class represents an action that can be assigned to an editor key sequence.
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**/
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class Action {
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public:
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Action();
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virtual ~Action();
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/**
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* The main method, which implements the "action" itself.
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**/
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virtual void execute() = 0;
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/**
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* Returns a textual representation of the action.
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**/
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virtual TQString getDescription() const;
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};
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/**
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* This class represents the execution of a JavaScript in Kile.
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**/
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class ExecuteJScriptAction : public Action {
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public:
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ExecuteJScriptAction(KileJScript::JScript *jScript, KileJScript::Manager *jScriptManager);
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virtual ~ExecuteJScriptAction();
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virtual void execute();
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virtual TQString getDescription() const;
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protected:
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KileJScript::JScript *m_jScript;
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KileJScript::Manager *m_jScriptManager;
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};
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// forward declaration
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class Recorder;
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/**
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* This manager class is responsible for handling the key sequences that get assigned
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* to actions. Currently, every key sequence can only trigger one single action.
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*
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* Whenever a watched key sequence is typed, the manager triggers the corresponding
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* action. The only characters that are allowed in key sequences are those that make
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* the cursor advance by one position, i.e. for example tabs are not allowed in key
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* sequences.
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**/
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class Manager : public TQObject {
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Q_OBJECT
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friend class Recorder;
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public:
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/**
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* Constructs a new manager object.
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**/
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Manager(KileInfo* kileInfo, TQObject *parent = 0, const char *name = 0);
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virtual ~Manager();
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/**
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* Adds a new consequence and the corresponding action.
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* @param seq the key sequence
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* @param action the action for the sequence
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**/
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void addAction(const TQString& seq, Action *action);
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/**
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* Convenience method. Adds a key sequence-to-action map to this
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* manager, removing any existing mappings.
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* @warning This method overrides any exising mappings !
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**/
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void addActionMap(const TQMap<TQString, Action*>& map);
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/**
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* Removes all the mappings.
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**/
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void clear();
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/**
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* Returns a list of all the key sequences that are currently being
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* watched.
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**/
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const TQStringList& getWatchedKeySequences();
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/**
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* Returns the key sequence that corresponds to an action.
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* @param a the action that is considered
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**/
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TQString getKeySequence(const Action* a);
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/**
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* Returns the action that corresponds to a key sequence.
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**/
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Action* getAction(const TQString& seq);
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/**
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* Remove a key sequence, i.e. the key sequence is no longer watched.
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* @param seq the key sequence that should be removed
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**/
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void removeKeySequence(const TQString& seq);
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/**
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* Convenience method. Removes every key sequence contained in the list.
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* @see removeKeySequence(const TQString& seq)
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**/
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void removeKeySequence(const TQStringList& l);
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/**
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* @warning not implemented yet !
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**/
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void setEditorKeySequence(const TQString& seq, Action *action);
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/**
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* Checks whether the sequence "seq" is already assigned to an action.
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* This method also checks whether a longer sequence that starts with
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* "seq" is assigned to an action.
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* @param seq the sequence that should be checked
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* @return "true" if and only the sequence "seq" or another sequence
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* that starts with "seq" is assigned to an action
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**/
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bool isSequenceAssigned(const TQString& seq) const;
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/**
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* Performs a few checks on a key sequence.
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* @returns in the first component: 0 if the sequence is free; 1
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* if the sequence is assigned; 2 if there is a longer,
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* currently stored sequence that starts with "seq"; 3
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* if "seq" starts with a shorter sequence that is currently
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* stored
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*
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* in the second component: a string that corresponds to one
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* of the previous cases (in the case 0: TQString())
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**/
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TQPair<int, TQString> checkSequence(const TQString& seq, const TQString& skip = TQString());
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signals:
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/**
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* Emitted whenever the set of watched key sequences changes.
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**/
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void watchedKeySequencesChanged();
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protected slots:
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/**
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* Signalises to the manager that a (watched) sequence has been typed.
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* @param seq the sequence that has been typed
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**/
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void keySequenceTyped(const TQString& seq);
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protected:
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KileInfo *m_kileInfo;
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TQMap<TQString, Action*> m_actionMap;
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TQStringList m_watchedKeySequencesList;
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};
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/**
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* This class keeps track of the characters that are typed. It is used in
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* conjunction with a Kate view and a KileEditorKeySequence::Manager.
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**/
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class Recorder : public TQObject {
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Q_OBJECT
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public:
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Recorder(Kate::View *view, Manager *manager);
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virtual ~Recorder();
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signals:
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/**
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* Emitted whenever a key sequence that is currently watched has
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* been typed.
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**/
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void detectedTypedKeySequence(const TQString& seq);
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public slots:
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/**
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* Reloads the key sequences that this recorders watches.
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**/
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void reloadWatchedKeySequences();
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protected:
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Manager *m_manager;
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TQString m_typedSequence;
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uint m_maxSequenceLength;
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uint m_oldCol, m_oldLine;
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Kate::View* m_view;
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TQStringList m_watchedKeySequencesList;
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virtual bool eventFilter(TQObject *o, TQEvent *e);
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/**
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* Checks whether a key sequence is currently watched.
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* @param s the key sequence that should be checked
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**/
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bool seekForKeySequence(const TQString& s);
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};
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}
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#endif
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