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authortoma <toma@283d02a7-25f6-0310-bc7c-ecb5cbfe19da>2009-11-25 17:56:58 +0000
committertoma <toma@283d02a7-25f6-0310-bc7c-ecb5cbfe19da>2009-11-25 17:56:58 +0000
commitce4a32fe52ef09d8f5ff1dd22c001110902b60a2 (patch)
tree5ac38a06f3dde268dc7927dc155896926aaf7012 /interfaces/ktexteditor/codecompletioninterface.h
downloadtdelibs-ce4a32fe52ef09d8f5ff1dd22c001110902b60a2.tar.gz
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Copy the KDE 3.5 branch to branches/trinity for new KDE 3.5 features.
BUG:215923 git-svn-id: svn://anonsvn.kde.org/home/kde/branches/trinity/kdelibs@1054174 283d02a7-25f6-0310-bc7c-ecb5cbfe19da
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+/* 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