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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
commit460c52653ab0dcca6f19a4f492ed2c5e4e963ab0 (patch)
tree67208f7c145782a7e90b123b982ca78d88cc2c87 /kalarm/lib/colourlist.h
downloadtdepim-460c52653ab0dcca6f19a4f492ed2c5e4e963ab0.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/kdepim@1054174 283d02a7-25f6-0310-bc7c-ecb5cbfe19da
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+/*
+ * colourlist.h - an ordered list of colours
+ * Program: kalarm
+ * Copyright (C) 2003, 2005 by David Jarvie <software@astrojar.org.uk>
+ *
+ * This program is free software; you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License as published by
+ * the Free Software Foundation; either version 2 of the License, or
+ * (at your option) any later version.
+ *
+ * This program 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 General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License along
+ * with this program; if not, write to the Free Software Foundation, Inc.,
+ * 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA.
+ */
+
+#ifndef COLOURLIST_H
+#define COLOURLIST_H
+
+#include <qtl.h>
+#include <qcolor.h>
+#include <qvaluelist.h>
+
+
+/**
+ * @short Represents a sorted list of colours.
+ *
+ * The ColourList class holds a list of colours, sorted in RGB value order.
+ *
+ * It provides a sorted QValueList of colours in RGB value order, with iterators
+ * and other access methods which return either QRgb or QColor objects.
+ *
+ * @author David Jarvie <software@astrojar.org.uk>
+ */
+class ColourList
+{
+ public:
+ typedef size_t size_type;
+ typedef QValueListConstIterator<QRgb> const_iterator;
+
+ /** Constructs an empty list. */
+ ColourList() { }
+ /** Copy constructor. */
+ ColourList(const ColourList& l) : mList(l.mList) { }
+ /** Constructs a list whose values are preset to the colours in @p list. */
+ ColourList(const QValueList<QRgb>& list) : mList(list) { qHeapSort(mList); }
+ /** Constructs a list whose values are preset to the colours in the @p list.
+ * Terminate @p list by an invalid colour.
+ */
+ ColourList(const QColor* list);
+ /** Assignment operator. */
+ ColourList& operator=(const ColourList& l) { mList = l.mList; return *this; }
+ /** Sets the list to comprise the colours in @p list. */
+ ColourList& operator=(const QValueList<QRgb>& list) { mList = list; qHeapSort(mList); return *this; }
+ /** Removes all values from the list. */
+ void clear() { mList.clear(); }
+ /** Adds the specified colour @p c to the list. */
+ void insert(const QColor& c);
+ /** Removes the colour @p c from the list. */
+ void remove(const QColor& c) { mList.remove(c.rgb()); }
+ /** Adds the specified colour @p c to the list. */
+ ColourList& operator+=(const QColor& c) { insert(c); return *this; }
+ /** Adds the colours in @p list to this list. */
+ ColourList& operator+=(const ColourList& list) { mList += list.mList; qHeapSort(mList); return *this; }
+ /** Returns true if the colours in the two lists are the same. */
+ bool operator==(const ColourList& l) const { return mList == l.mList; }
+ /** Returns true if the colours in the two lists differ. */
+ bool operator!=(const ColourList& l) const { return mList != l.mList; }
+ /** Returns the number of colours in the list. */
+ size_type count() const { return mList.count(); }
+ /** Returns true if the list is empty. */
+ bool isEmpty() const { return mList.isEmpty(); }
+ /** Returns an iterator pointing to the first colour in the list. */
+ const_iterator begin() const { return mList.begin(); }
+ /** Returns an iterator pointing past the last colour in the list. */
+ const_iterator end() const { return mList.end(); }
+ /** Returns an iterator pointing to the last colour in the list, or end() if the list is empty. */
+ const_iterator fromLast() const { return mList.fromLast(); }
+ /** Returns an iterator pointing to the colour at position @p i in the list. */
+ const_iterator at(size_type i) const { return mList.at(i); }
+ /** Returns true if the list contains the colour @p c. */
+ size_type contains(const QColor& c) const { return mList.contains(c.rgb()); }
+ /** Returns an iterator pointing to the first occurrence of colour @p c in the list.
+ * Returns end() if colour @p c is not in the list.
+ */
+ const_iterator find(const QColor& c) const { return mList.find(c.rgb()); }
+ /** Returns an iterator pointing to the first occurrence of colour @p c in the list, starting.
+ * from position @p it. Returns end() if colour @p c is not in the list.
+ */
+ const_iterator find(const_iterator it, const QColor& c) const { return mList.find(it, c.rgb()); }
+ /** Returns the index to the first occurrence of colour @p c in the list.
+ * Returns -1 if colour @p c is not in the list.
+ */
+ int findIndex(const QColor& c) const { return mList.findIndex(c.rgb()); }
+ /** Returns the first colour in the list. If the list is empty, the result is undefined. */
+ QColor first() const { return QColor(mList.first()); }
+ /** Returns the last colour in the list. If the list is empty, the result is undefined. */
+ QColor last() const { return QColor(mList.last()); }
+ /** Returns the colour at position @p i in the list. If the item does not exist, the result is undefined. */
+ QColor operator[](size_type i) const { return QColor(mList[i]); }
+ private:
+ void sort();
+ QValueList<QRgb> mList;
+};
+
+#endif // COLOURLIST_H