847 lines
22 KiB
C
847 lines
22 KiB
C
/*
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* File : filelist_view.c
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* This file is part of RTGUI in RT-Thread RTOS
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* COPYRIGHT (C) 2010, RT-Thread Development Team
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*
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* The license and distribution terms for this file may be
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* found in the file LICENSE in this distribution or at
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* http://www.rt-thread.org/license/LICENSE
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*
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* Change Logs:
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* Date Author Notes
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* 2010-01-06 Bernard first version
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*/
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#include <rtgui/rtgui_object.h>
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#include <rtgui/rtgui_system.h>
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#include <rtgui/rtgui_theme.h>
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#include <rtgui/list.h>
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#include <rtgui/image.h>
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#include <rtgui/widgets/view.h>
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#include <rtgui/widgets/workbench.h>
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#include <rtgui/widgets/filelist_view.h>
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#include <rtgui/widgets/listbox.h>
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#include <rtgui/widgets/window.h>
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#if defined(RTGUI_USING_DFS_FILERW) || defined(RTGUI_USING_STDIO_FILERW)
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#ifdef _WIN32
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#include <io.h>
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#include <dirent.h>
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#include <sys/stat.h>
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#define PATH_SEPARATOR '\\'
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#else
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#include <dfs_posix.h>
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#define PATH_SEPARATOR '/'
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#endif
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#include <string.h>
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#define RTGUI_FILELIST_MARGIN 5
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const static char * file_xpm[] = {
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"16 16 21 1",
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" c None",
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". c #999999",
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"+ c #818181",
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"@ c #FFFFFF",
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"# c #ECECEC",
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"$ c #EAEAEA",
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"% c #EBEBEB",
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"& c #EDEDED",
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"* c #F0F0F0",
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"= c #C4C4C4",
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"- c #C5C5C5",
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"; c #C6C6C6",
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"> c #C7C7C7",
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", c #EEEEEE",
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"' c #EDEDE5",
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") c #EDEDE6",
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"! c #EFEFEF",
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"~ c #C8C8C8",
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"{ c #F1F1F1",
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"] c #F2F2F2",
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"^ c #959595",
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".++++++++++++ ",
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"+@@@@@@@@@@@@+ ",
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"+@#$$%%%##&*@+ ",
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"+@$=--;;;;>*@+ ",
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"+@$%%###&&,*@+ ",
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"+@%-;;;;;;>*@+ ",
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"+@%%##&&'#,*@+ ",
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"+@%;;;;,,),*@+ ",
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"+@##&&,,!!!*@+ ",
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"+@#;;;>>~~~*@+ ",
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"+@#&,,!!*{{{@+ ",
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"+@&;>>~~~{{]@+ ",
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"+@&&,!!**{]]@+ ",
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"+@@@@@@@@@@@@+ ",
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"^++++++++++++^ ",
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" "};
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const static char * folder_xpm[] = {
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"16 16 121 2",
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" c None",
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". c #D9B434",
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"+ c #E1C25E",
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"@ c #E2C360",
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"# c #E2C35F",
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"$ c #DBB63C",
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"% c #DAB336",
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"& c #FEFEFD",
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"* c #FFFFFE",
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"= c #FFFEFE",
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"- c #FFFEFD",
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"; c #FBF7EA",
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"> c #E4C76B",
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", c #E3C76B",
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"' c #E6CD79",
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") c #E5CA74",
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"! c #DAAF35",
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"~ c #FEFCF7",
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"{ c #F8E48E",
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"] c #F5DE91",
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"^ c #F5E09F",
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"/ c #F6E1AC",
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"( c #FEFBEF",
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"_ c #FEFDF4",
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": c #FEFCF3",
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"< c #FEFCF1",
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"[ c #FEFBEE",
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"} c #FFFDFA",
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"| c #DAAF36",
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"1 c #DAAA36",
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"2 c #FDFAF1",
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"3 c #F5DE94",
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"4 c #F4DC93",
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"5 c #F2D581",
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"6 c #EDCA6A",
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"7 c #EACB6C",
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"8 c #EFD385",
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"9 c #EFD280",
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"0 c #EFD07A",
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"a c #EECF76",
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"b c #EECF72",
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"c c #FBF7E9",
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"d c #DAAE34",
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"e c #DAAB35",
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"f c #FBF6E8",
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"g c #EFD494",
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"h c #EECE88",
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"i c #E9C173",
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"j c #F6E9C9",
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"k c #FEFCF2",
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"l c #FEFCF0",
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"m c #DAAB36",
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"n c #DAA637",
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"o c #FFFDF8",
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"p c #FFFDF6",
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"q c #FFFCF5",
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"r c #FCF6D8",
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"s c #F8E694",
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"t c #F7E385",
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"u c #F6DF76",
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"v c #F5DB68",
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"w c #F4D85C",
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"x c #FCF4D7",
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"y c #DAA435",
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"z c #DAA136",
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"A c #FEFCF6",
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"B c #FCF2C8",
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"C c #FBEFB9",
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"D c #FAECAC",
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"E c #F9E89C",
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"F c #F7E38B",
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"G c #F6E07C",
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"H c #F6DC6C",
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"I c #F5D95D",
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"J c #F4D64F",
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"K c #F3D344",
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"L c #FCF3D0",
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"M c #DA9F35",
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"N c #DA9A36",
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"O c #FDFAF2",
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"P c #FAEDB3",
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"Q c #F9E9A4",
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"R c #F8E695",
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"S c #F7E285",
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"T c #F6DE76",
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"U c #F5DB65",
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"V c #F4D757",
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"W c #F3D449",
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"X c #F2D13B",
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"Y c #F1CE30",
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"Z c #FBF2CC",
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"` c #DA9835",
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" . c #DA9435",
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".. c #FEFAEF",
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"+. c #F9E9A1",
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"@. c #F8E591",
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"#. c #F7E181",
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"$. c #F6DE72",
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"%. c #F5DA63",
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"&. c #F4D754",
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"*. c #F3D347",
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"=. c #F2D039",
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"-. c #F1CD2E",
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";. c #F0CB26",
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">. c #FBF2CA",
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",. c #D98E33",
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"'. c #FAF0DC",
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"). c #F4DDA7",
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"!. c #F4DB9E",
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"~. c #F3DA96",
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"{. c #F3D88E",
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"]. c #F3D786",
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"^. c #F2D47F",
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"/. c #F2D379",
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"(. c #F1D272",
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"_. c #F1D06C",
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":. c #F1CF69",
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"<. c #F8EAC2",
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"[. c #D8882D",
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"}. c #D8872D",
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"|. c #D8862C",
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" ",
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" ",
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" ",
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" . + @ @ @ # $ ",
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" % & * = - * ; > , , , ' ) ",
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" ! ~ { ] ^ / ( _ : < ( [ } | ",
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" 1 2 3 4 5 6 7 8 9 0 a b c d ",
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" e f g h i j k : k l ( [ * m ",
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" n * o p q : r s t u v w x y ",
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" z A B C D E F G H I J K L M ",
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" N O P Q R S T U V W X Y Z ` ",
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" ...+.@.#.$.%.&.*.=.-.;.>. . ",
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" ,.'.).!.~.{.].^./.(._.:.<.,. ",
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" [.}.[.[.[.[.[.[.[.[.}.[.|. ",
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" ",
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" "};
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/* image for file and folder */
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static rtgui_image_t *file_image, *folder_image;
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static struct rtgui_listbox_item items[] =
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{
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#ifdef RTGUI_USING_FONTHZ
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{"<EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>ļ<EFBFBD><EFBFBD><EFBFBD>", RT_NULL},
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{"ѡ<EFBFBD><EFBFBD><EFBFBD>ļ<EFBFBD><EFBFBD><EFBFBD>", RT_NULL},
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{"<EFBFBD>˳<EFBFBD>", RT_NULL}
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#else
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{"Open folder", RT_NULL},
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{"Select folder", RT_NULL},
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{"Cancel", RT_NULL}
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#endif
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};
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static void rtgui_filelist_view_clear(rtgui_filelist_view_t* view);
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static void rtgui_filelist_view_on_folder_item(rtgui_widget_t* widget, struct rtgui_event* event)
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{
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rtgui_win_t *menu;
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rtgui_listbox_t *listbox;
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rtgui_filelist_view_t *view;
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listbox = RTGUI_LISTBOX(widget);
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menu = RTGUI_WIN(rtgui_widget_get_toplevel(widget));
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view = RTGUI_FILELIST_VIEW(menu->user_data);
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/* hide window */
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rtgui_win_hiden(menu);
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switch (listbox->current_item)
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{
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case 0:
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{
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char* dir_ptr;
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/* destroy menu window */
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rtgui_win_destroy(menu);
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dir_ptr = (char*) rtgui_malloc (256);
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rtgui_filelist_view_get_fullpath(view, dir_ptr, 256);
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rtgui_filelist_view_set_directory(view, dir_ptr);
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rt_free(dir_ptr);
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}
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break;
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case 1:
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/* destroy menu window */
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rtgui_win_destroy(menu);
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if (RTGUI_VIEW(view)->modal_show == RT_TRUE)
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{
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rtgui_view_end_modal(RTGUI_VIEW(view), RTGUI_MODAL_OK);
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}
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break;
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default:
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/* destroy menu window */
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rtgui_win_destroy(menu);
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break;
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}
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}
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static rt_bool_t rtgui_filelist_view_on_menu_deactivate(rtgui_widget_t* widget, struct rtgui_event* event)
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{
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rtgui_win_t *menu;
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menu = RTGUI_WIN(rtgui_widget_get_toplevel(widget));
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/* destroy menu window */
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rtgui_win_destroy(menu);
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return RT_TRUE;
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}
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static void rtgui_filelist_view_menu_pop(rtgui_widget_t *parent)
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{
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rtgui_win_t *menu;
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rtgui_listbox_t *listbox;
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rtgui_rect_t screen, rect = {0, 0, 140, 85};
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rtgui_graphic_driver_get_rect(rtgui_graphic_driver_get_default(), &screen);
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rtgui_rect_moveto_align(&screen, &rect, RTGUI_ALIGN_CENTER_HORIZONTAL | RTGUI_ALIGN_CENTER_VERTICAL);
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menu = rtgui_win_create(RTGUI_TOPLEVEL(rtgui_widget_get_toplevel(parent)),
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"Folder Menu", &rect, RTGUI_WIN_STYLE_DEFAULT);
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if (menu != RT_NULL)
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{
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/* set user data on menu window */
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menu->user_data = (rt_uint32_t)parent;
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rtgui_win_set_ondeactivate(menu, rtgui_filelist_view_on_menu_deactivate);
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listbox = rtgui_listbox_create(items, sizeof(items)/sizeof(items[0]), &rect);
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rtgui_listbox_set_onitem(listbox, rtgui_filelist_view_on_folder_item);
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rtgui_container_add_child(RTGUI_CONTAINER(menu), RTGUI_WIDGET(listbox));
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rtgui_win_show(menu, RT_FALSE);
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rtgui_widget_focus(RTGUI_WIDGET(listbox));
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rtgui_listbox_set_current_item(listbox, 0);
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}
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}
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static void _rtgui_filelist_view_constructor(struct rtgui_filelist_view *view)
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{
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/* default rect */
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struct rtgui_rect rect = {0, 0, 200, 200};
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/* set default widget rect and set event handler */
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rtgui_widget_set_event_handler(RTGUI_WIDGET(view), rtgui_filelist_view_event_handler);
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rtgui_widget_set_rect(RTGUI_WIDGET(view), &rect);
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RTGUI_WIDGET(view)->flag |= RTGUI_WIDGET_FLAG_FOCUSABLE;
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view->current_item = 0;
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view->items_count = 0;
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view->page_items = 0;
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view->current_directory = RT_NULL;
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view->pattern = RT_NULL;
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RTGUI_WIDGET_BACKGROUND(RTGUI_WIDGET(view)) = white;
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RTGUI_WIDGET_TEXTALIGN(RTGUI_WIDGET(view)) = RTGUI_ALIGN_CENTER_VERTICAL;
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file_image = rtgui_image_create_from_mem("xpm",
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(rt_uint8_t*)file_xpm, sizeof(file_xpm), RT_TRUE);
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folder_image = rtgui_image_create_from_mem("xpm",
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(rt_uint8_t*)folder_xpm, sizeof(folder_xpm), RT_TRUE);
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}
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static void _rtgui_filelist_view_destructor(struct rtgui_filelist_view *view)
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{
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/* delete all file items */
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rtgui_filelist_view_clear(view);
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/* delete current directory and pattern */
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rtgui_free(view->current_directory); view->current_directory = RT_NULL;
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rtgui_free(view->pattern); view->pattern = RT_NULL;
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/* delete image */
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rtgui_image_destroy(file_image);
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rtgui_image_destroy(folder_image);
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}
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DEFINE_CLASS_TYPE(filelist, "filelist",
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RTGUI_VIEW_TYPE,
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_rtgui_filelist_view_constructor,
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_rtgui_filelist_view_destructor,
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sizeof(struct rtgui_filelist_view));
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void rtgui_filelist_view_ondraw(struct rtgui_filelist_view* view)
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{
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struct rtgui_dc* dc;
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rt_uint16_t page_index, index;
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struct rtgui_file_item* item;
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struct rtgui_rect rect, item_rect, image_rect;
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dc = rtgui_dc_begin_drawing(RTGUI_WIDGET(view));
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if (dc == RT_NULL) return;
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rtgui_widget_get_rect(RTGUI_WIDGET(view), &rect);
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rtgui_dc_fill_rect(dc, &rect);
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/* get item base rect */
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item_rect = rect;
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item_rect.y1 += 1;
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item_rect.y2 = item_rect.y1 + (1 + rtgui_theme_get_selected_height());
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/* get image base rect */
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image_rect.x1 = RTGUI_FILELIST_MARGIN; image_rect.y1 = 0;
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image_rect.x2 = RTGUI_FILELIST_MARGIN + file_image->w; image_rect.y2 = file_image->h;
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rtgui_rect_moveto_align(&item_rect, &image_rect, RTGUI_ALIGN_CENTER_VERTICAL);
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/* get current page */
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page_index = (view->current_item / view->page_items) * view->page_items;
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for (index = 0; index < view->page_items; index ++)
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{
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if (page_index + index >= view->items_count) break;
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item = &(view->items[page_index + index]);
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if (page_index + index == view->current_item)
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{
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rtgui_theme_draw_selected(dc, &item_rect);
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}
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else
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{
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/* draw background */
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rtgui_dc_fill_rect(dc, &item_rect);
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}
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/* draw item */
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if (item->type == RTGUI_FITEM_FILE)
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rtgui_image_blit(file_image, dc, &image_rect);
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else
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rtgui_image_blit(folder_image, dc, &image_rect);
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/* draw text */
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item_rect.x1 += RTGUI_FILELIST_MARGIN + file_image->w + 2;
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rtgui_dc_draw_text(dc, item->name, &item_rect);
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item_rect.x1 -= RTGUI_FILELIST_MARGIN + file_image->w + 2;
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/* move to next item position */
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item_rect.y1 += (rtgui_theme_get_selected_height() + 1);
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item_rect.y2 += (rtgui_theme_get_selected_height() + 1);
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image_rect.y1 += (rtgui_theme_get_selected_height() + 1);
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image_rect.y2 += (rtgui_theme_get_selected_height() + 1);
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}
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rtgui_dc_end_drawing(dc);
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}
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void rtgui_filelist_view_update_current(struct rtgui_filelist_view* view, rt_uint16_t old_item)
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{
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struct rtgui_dc* dc;
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struct rtgui_file_item* item;
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rtgui_rect_t rect, item_rect, image_rect;
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if (old_item/view->page_items != view->current_item/view->page_items)
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{
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/* it's not a same page, update all */
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rtgui_widget_update(RTGUI_WIDGET(view));
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return;
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}
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dc = rtgui_dc_begin_drawing(RTGUI_WIDGET(view));
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if (dc == RT_NULL) return;
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rtgui_widget_get_rect(RTGUI_WIDGET(view), &rect);
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/* get old item rect */
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item_rect = rect;
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item_rect.y1 += 1;
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item_rect.y1 += (old_item % view->page_items) * (1 + rtgui_theme_get_selected_height());
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item_rect.y2 = item_rect.y1 + (1 + rtgui_theme_get_selected_height());
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/* get image rect */
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image_rect.x1 = RTGUI_FILELIST_MARGIN; image_rect.y1 = 0;
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image_rect.x2 = RTGUI_FILELIST_MARGIN + file_image->w; image_rect.y2 = file_image->h;
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rtgui_rect_moveto_align(&item_rect, &image_rect, RTGUI_ALIGN_CENTER_VERTICAL);
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/* draw old item */
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rtgui_dc_fill_rect(dc, &item_rect);
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item = &(view->items[old_item]);
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if (item->type == RTGUI_FITEM_FILE) /* draw item image */
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rtgui_image_blit(file_image, dc, &image_rect);
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else
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rtgui_image_blit(folder_image, dc, &image_rect);
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|
||
item_rect.x1 += RTGUI_FILELIST_MARGIN + file_image->w + 2;
|
||
rtgui_dc_draw_text(dc, item->name, &item_rect);
|
||
|
||
/* draw current item */
|
||
item_rect = rect;
|
||
item_rect.y1 += 1;
|
||
item_rect.y1 += (view->current_item % view->page_items) * (1 + rtgui_theme_get_selected_height());
|
||
item_rect.y2 = item_rect.y1 + (1 + rtgui_theme_get_selected_height());
|
||
|
||
rtgui_theme_draw_selected(dc, &item_rect);
|
||
|
||
/* get image base rect */
|
||
image_rect.x1 = RTGUI_FILELIST_MARGIN; image_rect.y1 = 0;
|
||
image_rect.x2 = RTGUI_FILELIST_MARGIN + file_image->w; image_rect.y2 = file_image->h;
|
||
rtgui_rect_moveto_align(&item_rect, &image_rect, RTGUI_ALIGN_CENTER_VERTICAL);
|
||
|
||
item = &(view->items[view->current_item]);
|
||
if (item->type == RTGUI_FITEM_FILE) /* draw item image */
|
||
rtgui_image_blit(file_image, dc, &image_rect);
|
||
else
|
||
rtgui_image_blit(folder_image, dc, &image_rect);
|
||
|
||
item_rect.x1 += RTGUI_FILELIST_MARGIN + file_image->w + 2;
|
||
rtgui_dc_draw_text(dc, item->name, &item_rect);
|
||
|
||
rtgui_dc_end_drawing(dc);
|
||
}
|
||
|
||
static void rtgui_filelist_view_onenturn(struct rtgui_filelist_view* view)
|
||
{
|
||
if (view->items[view->current_item].type == RTGUI_FITEM_DIR)
|
||
{
|
||
char new_path[64];
|
||
|
||
if (strcmp(view->items[view->current_item].name, ".") == 0) return ;
|
||
if (strcmp(view->items[view->current_item].name, "..") == 0)
|
||
{
|
||
char *ptr;
|
||
ptr = strrchr(view->current_directory, PATH_SEPARATOR);
|
||
|
||
if (ptr == RT_NULL) return ;
|
||
if (ptr == &(view->current_directory[0]))
|
||
{
|
||
/* it's root directory */
|
||
new_path[0] = PATH_SEPARATOR;
|
||
new_path[1] = '\0';
|
||
}
|
||
else
|
||
{
|
||
strncpy(new_path, view->current_directory, ptr - view->current_directory + 1);
|
||
new_path[ptr - view->current_directory] = '\0';
|
||
}
|
||
}
|
||
else if (view->current_item == 0 &&
|
||
#ifdef _WIN32
|
||
(view->current_directory[1] == ':') && (view->current_directory[2] == '\\'))
|
||
#else
|
||
(view->current_directory[0] == '/') && (view->current_directory[1] == '\0'))
|
||
#endif
|
||
{
|
||
if (RTGUI_VIEW(view)->modal_show == RT_TRUE)
|
||
{
|
||
rtgui_view_end_modal(RTGUI_VIEW(view), RTGUI_MODAL_CANCEL);
|
||
}
|
||
else
|
||
{
|
||
rtgui_filelist_view_destroy(view);
|
||
}
|
||
|
||
return ;
|
||
}
|
||
else
|
||
{
|
||
rtgui_filelist_view_menu_pop(RTGUI_WIDGET(view));
|
||
return ;
|
||
}
|
||
rtgui_filelist_view_set_directory(view, new_path);
|
||
}
|
||
else
|
||
{
|
||
if (RTGUI_VIEW(view)->modal_show == RT_TRUE)
|
||
{
|
||
rtgui_view_end_modal(RTGUI_VIEW(view), RTGUI_MODAL_OK);
|
||
}
|
||
}
|
||
}
|
||
|
||
rt_bool_t rtgui_filelist_view_event_handler(struct rtgui_widget* widget, struct rtgui_event* event)
|
||
{
|
||
struct rtgui_filelist_view* view = RT_NULL;
|
||
|
||
view = RTGUI_FILELIST_VIEW(widget);
|
||
switch (event->type)
|
||
{
|
||
case RTGUI_EVENT_PAINT:
|
||
rtgui_filelist_view_ondraw(view);
|
||
return RT_FALSE;
|
||
|
||
case RTGUI_EVENT_RESIZE:
|
||
{
|
||
struct rtgui_event_resize* resize;
|
||
|
||
resize = (struct rtgui_event_resize*)event;
|
||
|
||
/* recalculate page items */
|
||
if (file_image != RT_NULL)
|
||
view->page_items = resize->h / (1 + rtgui_theme_get_selected_height());
|
||
else
|
||
view->page_items = resize->h / (2 + 14);
|
||
}
|
||
break;
|
||
|
||
case RTGUI_EVENT_MOUSE_BUTTON:
|
||
{
|
||
rtgui_rect_t rect;
|
||
struct rtgui_event_mouse* emouse;
|
||
|
||
emouse = (struct rtgui_event_mouse*)event;
|
||
|
||
/* calculate selected item */
|
||
|
||
/* get physical extent information */
|
||
rtgui_widget_get_rect(widget, &rect);
|
||
rtgui_widget_rect_to_device(widget, &rect);
|
||
|
||
if (rtgui_rect_contains_point(&rect, emouse->x, emouse->y) == RT_EOK)
|
||
{
|
||
rt_uint16_t index;
|
||
rt_uint16_t current_page;
|
||
rt_uint16_t old_item;
|
||
|
||
index = (emouse->y - rect.y1) / (2 + rtgui_theme_get_selected_height());
|
||
|
||
/* get current page */
|
||
current_page = view->current_item/view->page_items;
|
||
old_item = view->current_item;
|
||
|
||
if (index + current_page * view->page_items < view->items_count)
|
||
{
|
||
/* set selected item */
|
||
view->current_item = index + current_page * view->page_items;
|
||
if (emouse->button & RTGUI_MOUSE_BUTTON_DOWN)
|
||
{
|
||
rtgui_filelist_view_update_current(view, old_item);
|
||
}
|
||
else
|
||
{
|
||
/* up event */
|
||
rtgui_filelist_view_onenturn(view);
|
||
}
|
||
}
|
||
|
||
return RT_TRUE;
|
||
}
|
||
}
|
||
break;
|
||
|
||
case RTGUI_EVENT_KBD:
|
||
{
|
||
struct rtgui_event_kbd* ekbd = (struct rtgui_event_kbd*)event;
|
||
if (ekbd->type == RTGUI_KEYDOWN)
|
||
{
|
||
rt_uint16_t old_item;
|
||
|
||
old_item = view->current_item;
|
||
switch (ekbd->key)
|
||
{
|
||
case RTGUIK_UP:
|
||
if (view->current_item > 0)
|
||
view->current_item --;
|
||
rtgui_filelist_view_update_current(view, old_item);
|
||
return RT_TRUE;
|
||
|
||
case RTGUIK_DOWN:
|
||
if (view->current_item < view->items_count - 1)
|
||
view->current_item ++;
|
||
rtgui_filelist_view_update_current(view, old_item);
|
||
return RT_TRUE;
|
||
|
||
case RTGUIK_LEFT:
|
||
if (view->current_item - view->page_items >= 0)
|
||
view->current_item -= view->page_items;
|
||
rtgui_filelist_view_update_current(view, old_item);
|
||
return RT_TRUE;
|
||
|
||
case RTGUIK_RIGHT:
|
||
if (view->current_item + view->page_items < view->items_count - 1)
|
||
view->current_item += view->page_items;
|
||
rtgui_filelist_view_update_current(view, old_item);
|
||
return RT_TRUE;
|
||
|
||
case RTGUIK_RETURN:
|
||
rtgui_filelist_view_onenturn(view);
|
||
return RT_TRUE;
|
||
|
||
default:
|
||
break;
|
||
}
|
||
}
|
||
}
|
||
return RT_FALSE;
|
||
}
|
||
|
||
/* use view event handler */
|
||
return rtgui_view_event_handler(widget, event);
|
||
}
|
||
|
||
rtgui_filelist_view_t* rtgui_filelist_view_create(rtgui_workbench_t* workbench,
|
||
const char* directory, const char* pattern, const rtgui_rect_t* rect)
|
||
{
|
||
struct rtgui_filelist_view* view = RT_NULL;
|
||
|
||
/* create a new view */
|
||
view = (struct rtgui_filelist_view*) rtgui_widget_create(RTGUI_FILELIST_VIEW_TYPE);
|
||
if (view != RT_NULL)
|
||
{
|
||
view->items = RT_NULL;
|
||
view->pattern = rt_strdup(pattern);
|
||
view->page_items = rtgui_rect_height(*rect) / (1 + rtgui_theme_get_selected_height());
|
||
rtgui_filelist_view_set_directory(view, directory);
|
||
|
||
rtgui_workbench_add_view(workbench, RTGUI_VIEW(view));
|
||
}
|
||
|
||
return view;
|
||
}
|
||
|
||
void rtgui_filelist_view_destroy(rtgui_filelist_view_t* view)
|
||
{
|
||
/* destroy view */
|
||
rtgui_widget_destroy(RTGUI_WIDGET(view));
|
||
}
|
||
|
||
/* clear all file items */
|
||
static void rtgui_filelist_view_clear(rtgui_filelist_view_t* view)
|
||
{
|
||
rt_uint32_t index;
|
||
struct rtgui_file_item* item;
|
||
|
||
for (index = 0; index < view->items_count; index ++)
|
||
{
|
||
item = &(view->items[index]);
|
||
|
||
/* release item name */
|
||
rt_free(item->name);
|
||
item->name = RT_NULL;
|
||
}
|
||
|
||
/* release items */
|
||
rtgui_free(view->items);
|
||
view->items = RT_NULL;
|
||
|
||
view->items_count = 0;
|
||
view->current_item = 0;
|
||
}
|
||
|
||
void rtgui_filelist_view_set_directory(rtgui_filelist_view_t* view, const char* directory)
|
||
{
|
||
struct rtgui_file_item *item;
|
||
|
||
RT_ASSERT(view != RT_NULL);
|
||
|
||
/* clear file items firstly */
|
||
rtgui_filelist_view_clear(view);
|
||
if (directory != RT_NULL)
|
||
{
|
||
DIR* dir;
|
||
struct stat s;
|
||
char* fullpath;
|
||
rt_uint32_t index;
|
||
struct dirent* dirent;
|
||
|
||
view->items_count = 0;
|
||
dir = opendir(directory);
|
||
if (dir == RT_NULL) goto __return;
|
||
|
||
/* current directory exists, set it */
|
||
if (view->current_directory != RT_NULL) rt_free(view->current_directory);
|
||
view->current_directory = rt_strdup(directory);
|
||
|
||
do
|
||
{
|
||
dirent = readdir(dir);
|
||
if (dirent == RT_NULL) break;
|
||
|
||
if (strcmp(dirent->d_name, ".") == 0) continue;
|
||
if (strcmp(dirent->d_name, "..") == 0) continue;
|
||
|
||
view->items_count ++;
|
||
} while (dirent != RT_NULL);
|
||
closedir(dir);
|
||
|
||
view->items_count ++; /* root directory for [x] exit, others for .. */
|
||
|
||
view->items = (struct rtgui_file_item*) rtgui_malloc(sizeof(struct rtgui_file_item) * view->items_count);
|
||
if (view->items == RT_NULL) return; /* no memory */
|
||
|
||
index = 0;
|
||
if (directory[0] == '/' && directory[1] != '\0')
|
||
{
|
||
item = &(view->items[0]);
|
||
|
||
/* add .. directory */
|
||
item->name = rt_strdup("..");
|
||
item->type = RTGUI_FITEM_DIR;
|
||
item->size = 0;
|
||
|
||
index ++;
|
||
}
|
||
else
|
||
{
|
||
item = &(view->items[0]);
|
||
|
||
/* add .. directory */
|
||
item->name = rt_strdup("<EFBFBD>˳<EFBFBD><EFBFBD>ļ<EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>");
|
||
item->type = RTGUI_FITEM_DIR;
|
||
item->size = 0;
|
||
|
||
index ++;
|
||
}
|
||
|
||
/* reopen directory */
|
||
dir = opendir(directory);
|
||
fullpath = rtgui_malloc(256);
|
||
while (index < view->items_count)
|
||
{
|
||
dirent = readdir(dir);
|
||
if (dirent == RT_NULL) break;
|
||
|
||
if (strcmp(dirent->d_name, ".") == 0) continue;
|
||
if (strcmp(dirent->d_name, "..") == 0) continue;
|
||
|
||
item = &(view->items[index]);
|
||
item->name = rt_strdup(dirent->d_name);
|
||
|
||
rt_memset(&s, 0, sizeof(struct stat));
|
||
|
||
/* build full path for the file */
|
||
if (directory[strlen(directory) - 1] != PATH_SEPARATOR)
|
||
rt_snprintf(fullpath, 256, "%s%c%s", directory, PATH_SEPARATOR, dirent->d_name);
|
||
else
|
||
rt_snprintf(fullpath, 256, "%s%s", directory, dirent->d_name);
|
||
|
||
stat(fullpath, &s);
|
||
if ( s.st_mode & S_IFDIR )
|
||
{
|
||
item->type = RTGUI_FITEM_DIR;
|
||
item->size = 0;
|
||
}
|
||
else
|
||
{
|
||
item->type = RTGUI_FITEM_FILE;
|
||
item->size = s.st_size;
|
||
}
|
||
|
||
index ++;
|
||
}
|
||
rtgui_free(fullpath);
|
||
closedir(dir);
|
||
}
|
||
|
||
view->current_item = 0;
|
||
|
||
__return:
|
||
/* update view */
|
||
rtgui_widget_update(RTGUI_WIDGET(view));
|
||
}
|
||
|
||
void rtgui_filelist_view_get_fullpath(rtgui_filelist_view_t* view, char* path, rt_size_t len)
|
||
{
|
||
RT_ASSERT(view != RT_NULL);
|
||
|
||
if (view->current_directory[strlen(view->current_directory) - 1] != PATH_SEPARATOR)
|
||
rt_snprintf(path, len, "%s%c%s",view->current_directory, PATH_SEPARATOR,
|
||
view->items[view->current_item].name);
|
||
else
|
||
rt_snprintf(path, len, "%s%s",view->current_directory,
|
||
view->items[view->current_item].name);
|
||
}
|
||
#endif
|