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Diffstat (limited to 'interfaces/ktexteditor/codecompletioninterface.h')
| -rw-r--r-- | interfaces/ktexteditor/codecompletioninterface.h | 202 |
1 files changed, 202 insertions, 0 deletions
diff --git a/interfaces/ktexteditor/codecompletioninterface.h b/interfaces/ktexteditor/codecompletioninterface.h new file mode 100644 index 000000000..d1174d32a --- /dev/null +++ b/interfaces/ktexteditor/codecompletioninterface.h @@ -0,0 +1,202 @@ +/* This file is part of the KDE libraries + Copyright (C) 2001 Joseph Wenninger <jowenn@kde.org> + + This library is free software; you can redistribute it and/or + modify it under the terms of the GNU Library General Public + License version 2 as published by the Free Software Foundation. + + This library is distributed in the hope that it will be useful, + but WITHOUT ANY WARRANTY; without even the implied warranty of + MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU + Library General Public License for more details. + + You should have received a copy of the GNU Library General Public License + along with this library; see the file COPYING.LIB. If not, write to + the Free Software Foundation, Inc., 51 Franklin Street, Fifth Floor, + Boston, MA 02110-1301, USA. +*/ + +#ifndef __ktexteditor_codecompletioninterface_h__ +#define __ktexteditor_codecompletioninterface_h__ + +#include <qstring.h> +#include <qstringlist.h> + +#include <kdelibs_export.h> + +namespace KTextEditor +{ + +/** + * An item for the completion popup. <code>text</code> is the completed string, + * <code>prefix</code> appears in front of it, <code>suffix</code> appears after it. + * <code>type</code> does not appear in the completion list. + * <code>prefix</code>, <code>suffix</code>, and <code>type</code> are not part of the + * inserted text if a completion takes place. <code>comment</code> appears in a tooltip right of + * the completion list for the currently selected item. <code>userdata</code> can be + * free formed data, which the user of this interface can use in + * CodeCompletionInterface::filterInsertString(). + * + * + */ +class KTEXTEDITOR_EXPORT CompletionEntry +{ + public: + QString type; + QString text; + QString prefix; + QString postfix; + QString comment; + + QString userdata; + + bool operator==( const CompletionEntry &c ) const { + return ( c.type == type && + c.text == text && + c.postfix == postfix && + c.prefix == prefix && + c.comment == comment && + c.userdata == userdata); + } +}; + +/** + * This is an interface for the KTextEditor::View class. It can be used + * to show completion lists, i.e. lists that pop up while a user is typing. + * The user can then choose from the list or he can just keep typing. The + * completion list will disappear if an item is chosen, if no completion + * is available or if the user presses Esc etc. The contents of the list + * is automatically adapted to the string the user types. + * + * There are other signals, which may be implmemented, but aren't documented here, because + * it would have been a BIC change...: + * + * void completionExtendedComment(CompletionEntry) + * + * This is emitted when the user has completed the argument entry (ie. enters the wrapping symbol(s) + * void argHintCompleted() + * + * This is emitted when there is a reason other than completion for the hint being hidden. + * void argHintAborted() + * + * This is emitted when a code completion box is about to be displayed + * void aboutToShowCompletionBox() + * + */ +class KTEXTEDITOR_EXPORT CodeCompletionInterface +{ + friend class PrivateCodeCompletionInterface; + + public: + CodeCompletionInterface(); + virtual ~CodeCompletionInterface(); + + unsigned int codeCompletionInterfaceNumber () const; + + protected: + void setCodeCompletionInterfaceDCOPSuffix (const QCString &suffix); + + + public: + // + // slots !!! + // + /** + * This shows an argument hint. + */ + virtual void showArgHint (QStringList functionList, const QString& strWrapping, const QString& strDelimiter) = 0; + + /** + * This shows a completion list. @p offset is the real start of the text that + * should be completed. <code>0</code> means that the text starts at the current cursor + * position. if @p casesensitive is @p true, the popup will only contain completions + * that match the input text regarding case. + */ + virtual void showCompletionBox (QValueList<CompletionEntry> complList,int offset=0, bool casesensitive=true)=0; + + // + // signals !!! + // + public: + + + /** + * This signal is emitted when the completion list disappears and no completion has + * been done. This is the case e.g. when the user presses Escape. + * + * IMPORTANT: Please check if a connect to this signal worked, and implement some fallback + * when the implementation doesn't support it + * + * IMPORTANT FOR IMPLEMENTERS: When you don't support this signal, please just override the inherited + * function, if you support it, declare it as a signal + */ + virtual void completionAborted()=0; + + /** + * This signal is emitted when the completion list disappears and a completion has + * been inserted into text. This is the case e.g. when the user presses Return + * on a selected item in the completion list. + * + * IMPORTANT: Please check if a connect to this signal worked, and implement some fallback + * when the implementation doesn't support it + * + * IMPORTANT FOR IMPLEMENTERS: When you don't support this signal, please just override the inherited + * function, if you support it, declare it as a signal + */ + virtual void completionDone()=0; + + /** + * This signal is the same as completionDone(), but additionally it carries + * the information which completion item was used. + * + * IMPORTANT: Please check if a connect to this signal worked, and implement some fallback + * when the implementation doesn't support it + * + * IMPORTANT: The pointer to the CompleteionEntry, is only valid in the slots connected to this signal + * when the connected slots are left, the data element may be destroyed, depending on the implementation + * + * IMPORTANT FOR IMPLEMENTERS: When you don't support this signal, please just override the inherited + * function, if you support it, declare it as a signal. + * + */ + virtual void completionDone(CompletionEntry)=0; + + /** + * This signal is emitted when the argument hint disappears. + * This is the case e.g. when the user moves the cursor somewhere else. + * + * IMPORTANT: Please check if a connect to this signal worked, and implement some fallback + * when the implementation doesn't support it + * + * IMPORTANT FOR IMPLEMENTERS: When you don't support this signal, please just override the inherited + * function, if you support it, declare it as a signal + */ + virtual void argHintHidden()=0; + + /** + * This signal is emitted just before a completion takes place. + * You can use it to modify the CompletionEntry. The modified + * entry will not be visible in the completion list (because that has + * just disappeared) but it will be used when the completion is + * inserted into the text. + * + * IMPORTANT: Please check if a connect to this signal worked, and implement some fallback + * when the implementation doesn't support it + * + * IMPORTANT FOR IMPLEMENTERS: When you don't support this signal, please just override the inherited + * function, if you support it, declare it as a signal + */ + virtual void filterInsertString(CompletionEntry*,QString*)=0; + + + private: + class PrivateCodeCompletionInterface *d; + static unsigned int globalCodeCompletionInterfaceNumber; + unsigned int myCodeCompletionInterfaceNumber; +}; + +KTEXTEDITOR_EXPORT CodeCompletionInterface *codeCompletionInterface (class View *view); + +} + +#endif |