i draw a colorpanel used the below code ,but how to get the color from mouse move event?

Qt Code: 
  1. void ColorPanel::paintEvent(QPaintEvent *event)
  2. {
  3.  
  4. 	QPainter painter(this);	
  5.  
  6. 	QStringList colors;
  7.  
  8. 	colors<<"FFFFFF"<<"FFFAFA"<<"FFF68F"<<"FFEFD5"<<"FFE4E1"<<"FFDEAD"<<"FFC1C1"<<"FFB90F"<<"FFA54F	"<<"FF8C00	"<<"FF7F50	"<<"FF6EB4	"<<"FF4500	"<<"FF3030	"<<"FDF5E6	"<<"FAF0E6	"<<"F7F7F7	"<<"F5DEB3	"<<"F0FFFF	"<<"F0E68C	"<<"EEEE00	"<<"EEE8AA	"<<"EEDFCC	"<<"EED5B7	"<<"EEC900	"<<"EEAEEE	"<<"EE9A49	"<<"EE8262	"<<"EE7621	"<<"EE6363	"<<"EE3A8C	"<<"EE00EE	"<<"EAEAEA	"<<"E5E5E5	"<<"E0EEE0	"<<"DEB887	"<<"DBDBDB	"<<"D9D9D9	"<<"D3D3D3	"<<"D1D1D1	"<<"CDCDC1	"<<"CDC9A5	"<<"CDC1C5	"<<"CDB7B5	"<<"CDAF95	"<<"CD9B1D	"<<"CD8C95	"<<"CD7054	"<<"CD661D	"<<"CD5B45	"<<"CD3333	"<<"CD1076	"<<"CAFF70	"<<"C71585	"<<"C4C4C4	"<<"C1CDC1	"<<"BFBFBF	"<<"BDB76B	"<<"BBFFFF	"<<"B8B8B8	"<<"B4EEB4	"<<"B3B3B3	"<<"B0E2FF	"<<"B03060	"<<"ADADAD	"<<"A9A9A9	"<<"A4D3EE	"<<"A1A1A1	"<<"9F79EE	"<<"9B30FF	"<<"9A32CD	"<<"98F5FF	"<<"949494	"<<"912CEE	"<<"8EE5EE	"<<"8DEEEE	"<<"8B8B7A	"<<"8B8878	"<<"8B8378	"<<"8B7D6B	"<<"8B7500	"<<"8B668B	"<<"8B5A2B	"<<"8B4789	"<<"8B4500	"<<"8B3626	"<<"8B1C62	"<<"8B0000	"<<"87CEFF	"<<"858585	"<<"838B83	"<<"7FFF00	"<<"7D7D7D	"<<"7B68EE	"<<"7A67EE	"<<"778899	"<<"737373	"<<"707070	"<<"6CA6CD	"<<"6A5ACD	"<<"6959CD	"<<"66CD00	"<<"63B8FF	"<<"5F9EA0	"<<"5C5C5C	"<<"556B2F	"<<"548B54	"<<"525252	"<<"4EEE94	"<<"4A4A4A	"<<"474747	"<<"458B00	"<<"424242	"<<"3D3D3D	"<<"388E8E	"<<"333333	"<<"2E8B57	"<<"282828	"<<"228B22	"<<"1F1F1F	"<<"1C1C1C	"<<"171717	"<<"0F0F0F	"<<"050505	"<<"00FF00	"<<"00EE76	"<<"00CDCD	"<<"00BFFF	"<<"008B45	"<<"006400	"<<"0000AA"
  9. 		<<"FFFFF0	"<<"FFFAF0	"<<"FFF5EE	"<<"FFEC8B	"<<"FFE4C4	"<<"FFDAB9	"<<"FFC125	"<<"FFB6C1	"<<"FFA500	"<<"FF83FA	"<<"FF7F24	"<<"FF6A6A	"<<"FF4040	"<<"FF1493	"<<"FCFCFC	"<<"FAEBD7	"<<"F5FFFA	"<<"F4F4F4	"<<"F0FFF0	"<<"F08080	"<<"EEE9E9	"<<"EEE685	"<<"EEDC82	"<<"EED2EE	"<<"EEC591	"<<"EEAD0E	"<<"EE9A00	"<<"EE7AE9	"<<"EE7600	"<<"EE5C42	"<<"EE30A7	"<<"EE0000	"<<"E9967A	"<<"E3E3E3	"<<"E0E0E0	"<<"DDA0DD	"<<"DB7093	"<<"D8BFD8	"<<"D2B48C	"<<"D15FEE	"<<"CDCDB4	"<<"CDC8B1	"<<"CDC0B0	"<<"CDB79E	"<<"CDAD00	"<<"CD96CD	"<<"CD853F	"<<"CD69C9	"<<"CD6600	"<<"CD5555	"<<"CD3278	"<<"CD00CD	"<<"CAE1FF	"<<"C6E2FF	"<<"C2C2C2	"<<"C1C1C1	"<<"BF3EFF	"<<"BCEE68	"<<"BABABA	"<<"B8860B	"<<"B4CDCD	"<<"B2DFEE	"<<"B0E0E6	"<<"AEEEEE	"<<"ABABAB	"<<"A8A8A8	"<<"A3A3A3	"<<"A0522D	"<<"9E9E9E	"<<"9AFF9A	"<<"999999	"<<"97FFFF	"<<"9400D3	"<<"90EE90	"<<"8E8E8E	"<<"8DB6CD	"<<"8B8B00	"<<"8B8682	"<<"8B814C	"<<"8B7B8B	"<<"8B7355	"<<"8B6508	"<<"8B5A00	"<<"8B475D	"<<"8B3E2F	"<<"8B2500	"<<"8B1A1A	"<<"8A8A8A	"<<"87CEFA	"<<"848484	"<<"836FFF	"<<"7F7F7F	"<<"7D26CD	"<<"7AC5CD	"<<"7A378B	"<<"76EEC6	"<<"71C671	"<<"6E8B3D	"<<"6C7B8B	"<<"698B69	"<<"68838B	"<<"668B8B	"<<"636363	"<<"5E5E5E	"<<"5B5B5B	"<<"555555	"<<"545454	"<<"515151	"<<"4D4D4D	"<<"48D1CC	"<<"473C8B	"<<"454545	"<<"4169E1	"<<"3CB371	"<<"383838	"<<"32CD32	"<<"2E2E2E	"<<"27408B	"<<"218868	"<<"1E90FF	"<<"1A1A1A	"<<"141414	"<<"0D0D0D	"<<"030303	"<<"00FA9A	"<<"00EE00	"<<"00CD66	"<<"00B2EE	"<<"008B00	"<<"0000FF	"<<"00008B"
  10. 		<<"FFFFE0	"<<"FFFACD	"<<"FFF0F5	"<<"FFEBCD	"<<"FFE4B5	"<<"FFD700	"<<"FFC0CB	"<<"FFB5C5	"<<"FFA07A	"<<"FF82AB	"<<"FF7F00	"<<"FF69B4	"<<"FF3E96	"<<"FF00FF	"<<"FAFAFA	"<<"FA8072	"<<"F5F5F5	"<<"F4A460	"<<"F0F8FF	"<<"EEEEE0	"<<"EEE9BF	"<<"EEE5DE	"<<"EED8AE	"<<"EECFA1	"<<"EEB4B4	"<<"EEA9B8	"<<"EE9572	"<<"EE799F	"<<"EE6AA7	"<<"EE4000	"<<"EE2C2C	"<<"EDEDED	"<<"E8E8E8	"<<"E0FFFF	"<<"E066FF	"<<"DCDCDC	"<<"DAA520	"<<"D6D6D6	"<<"D2691E	"<<"D02090	"<<"CDCD00	"<<"CDC673	"<<"CDBE70	"<<"CDB5CD	"<<"CDAA7D	"<<"CD950C	"<<"CD8500	"<<"CD6889	"<<"CD6090	"<<"CD4F39	"<<"CD2990	"<<"CD0000	"<<"C9C9C9	"<<"C67171	"<<"C1FFC1	"<<"C0FF3E	"<<"BEBEBE	"<<"BCD2EE	"<<"BA55D3	"<<"B7B7B7	"<<"B452CD	"<<"B23AEE	"<<"B0C4DE	"<<"ADFF2F	"<<"AB82FF	"<<"A6A6A6	"<<"A2CD5A	"<<"A020F0	"<<"9C9C9C	"<<"9ACD32	"<<"9932CC	"<<"96CDCD	"<<"9370DB	"<<"8FBC8F	"<<"8E8E38	"<<"8C8C8C	"<<"8B8989	"<<"8B864E	"<<"8B7E66	"<<"8B795E	"<<"8B6969	"<<"8B636C	"<<"8B5742	"<<"8B4726	"<<"8B3A62	"<<"8B2323	"<<"8B0A50	"<<"8A2BE2	"<<"87CEEB	"<<"8470FF	"<<"828282	"<<"7EC0EE	"<<"7CFC00	"<<"7A8B8B	"<<"79CDCD	"<<"76EE00	"<<"7171C6	"<<"6E7B8B	"<<"6B8E23	"<<"698B22	"<<"68228B	"<<"666666	"<<"616161	"<<"5D478B	"<<"595959	"<<"551A8B	"<<"53868B	"<<"4F94CD	"<<"4B0082	"<<"4876FF	"<<"4682B4	"<<"43CD80	"<<"40E0D0	"<<"3B3B3B	"<<"36648B	"<<"303030	"<<"2B2B2B	"<<"262626	"<<"212121	"<<"1E1E1E	"<<"191970	"<<"121212	"<<"0A0A0A	"<<"00FFFF	"<<"00F5FF	"<<"00E5EE	"<<"00CD00	"<<"009ACD	"<<"00868B	"<<"0000EE	"<<"000080"
  11. 		<<"FFFF00	"<<"FFF8DC	"<<"FFEFDB	"<<"FFE7BA	"<<"FFE1FF	"<<"FFD39B	"<<"FFBBFF	"<<"FFAEB9	"<<"FF8C69	"<<"FF8247	"<<"FF7256	"<<"FF6347	"<<"FF34B3	"<<"FF0000	"<<"FAFAD2	"<<"F8F8FF	"<<"F5F5DC	"<<"F2F2F2	"<<"F0F0F0	"<<"EEEED1	"<<"EEE8CD	"<<"EEE0E5	"<<"EED5D2	"<<"EECBAD	"<<"EEB422	"<<"EEA2AD	"<<"EE82EE	"<<"EE7942	"<<"EE6A50	"<<"EE3B3B	"<<"EE1289	"<<"EBEBEB	"<<"E6E6FA	"<<"E0EEEE	"<<"DEDEDE	"<<"DC143C	"<<"DA70D6	"<<"D4D4D4	"<<"D1EEEE	"<<"CFCFCF	"<<"CDC9C9	"<<"CDC5BF	"<<"CDBA96	"<<"CDB38B	"<<"CD9B9B	"<<"CD919E	"<<"CD8162	"<<"CD6839	"<<"CD5C5C	"<<"CD3700	"<<"CD2626	"<<"CCCCCC	"<<"C7C7C7	"<<"C5C1AA	"<<"C1CDCD	"<<"BFEFFF	"<<"BDBDBD	"<<"BC8F8F	"<<"B9D3EE	"<<"B5B5B5	"<<"B3EE3A	"<<"B22222	"<<"B0B0B0	"<<"ADD8E6	"<<"AAAAAA	"<<"A52A2A	"<<"A2B5CD	"<<"9FB6CD	"<<"9BCD9B	"<<"9AC0CD	"<<"98FB98	"<<"969696	"<<"919191	"<<"8F8F8F	"<<"8E388E	"<<"8B8B83	"<<"8B8970	"<<"8B8386	"<<"8B7D7B	"<<"8B7765	"<<"8B6914	"<<"8B5F65	"<<"8B4C39	"<<"8B4513	"<<"8B3A3A	"<<"8B2252	"<<"8B008B	"<<"8968CD	"<<"878787	"<<"838B8B	"<<"7FFFD4	"<<"7D9EC0	"<<"7CCD7C	"<<"7A7A7A	"<<"787878	"<<"757575	"<<"708090	"<<"6E6E6E	"<<"6B6B6B	"<<"696969	"<<"66CDAA	"<<"6495ED	"<<"607B8B	"<<"5CACEE	"<<"575757	"<<"54FF9F	"<<"528B8B	"<<"4F4F4F	"<<"4A708B	"<<"483D8B	"<<"458B74	"<<"436EEE	"<<"404040	"<<"3A5FCD	"<<"363636	"<<"2F4F4F	"<<"292929	"<<"242424	"<<"20B2AA	"<<"1C86EE	"<<"1874CD	"<<"104E8B	"<<"080808	"<<"00FF7F	"<<"00EEEE	"<<"00CED1	"<<"00C5CD	"<<"008B8B	"<<"00688B	"<<"0000CD	"<<"000000";
  12.  
  13. 	int colorsCount=0;
  14. 	for (int i=0;i<widthCount;i++)
  15. 	{
  16. 		for (int j=0;j<heightCount;j++)
  17. 		{
  18.  
  19. 			 if (colorsCount<colors.count())
  20. 			 {
  21. 				 painter.setPen(QPen(Qt::black,1));
  22. 				 painter.setPen(palette().foreground().color());
  23. 				 painter.setBrush(QBrush(QColor("#"+colors[colorsCount].trimmed())));
  24. 				 painter.drawRect(i*boxSize->width(),j*boxSize->height(),boxSize->width(),boxSize->height());
  25. 				 colorsCount++;
  26. 			 }
  27.  
  28. 		}
  29. 	}
  30. }
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