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Fully functional Directory Tree! Also: we don't update the invisible view cause it's slow on some old machines
This commit is contained in:
Vedran Ljubovic
parent
0fc70e80bd
commit
ea279ad40b
395
efiler/EDE_DirTree.cpp
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395
efiler/EDE_DirTree.cpp
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@ -0,0 +1,395 @@
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//
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// "$Id: FileBrowser.cxx 5071 2006-05-02 21:57:08Z fabien $"
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//
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// FileBrowser routines.
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//
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// Copyright 1999-2006 by Michael Sweet.
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//
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// This library is free software; you can redistribute it and/or
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// modify it under the terms of the GNU Library General Public
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// License as published by the Free Software Foundation; either
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// version 2 of the License, or (at your option) any later version.
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//
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// This library is distributed in the hope that it will be useful,
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// but WITHOUT ANY WARRANTY; without even the implied warranty of
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// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
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// Library General Public License for more details.
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//
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// You should have received a copy of the GNU Library General Public
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// License along with this library; if not, write to the Free Software
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// Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307
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// USA.
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//
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// Please report all bugs and problems on the following page:
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//
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// http://www.fltk.org/str.php
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//
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// Contents:
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//
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// FileBrowser::full_height() - Return the height of the list.
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// FileBrowser::item_height() - Return the height of a list item.
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// FileBrowser::item_width() - Return the width of a list item.
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// FileBrowser::item_draw() - Draw a list item.
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// FileBrowser::FileBrowser() - Create a FileBrowser widget.
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// FileBrowser::load() - Load a directory into the browser.
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// FileBrowser::filter() - Set the filename filter.
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//
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//
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// Include necessary header files...
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//
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#include "EDE_DirTree.h"
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#include <fltk/Browser.h>
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#include <fltk/Item.h>
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#include <fltk/draw.h>
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#include <fltk/Color.h>
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#include <fltk/Flags.h>
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#include <fltk/Font.h>
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#include <fltk/string.h>
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#include <stdio.h>
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#include <stdlib.h>
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#include <string.h>
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// This library is hopelessly single-platform
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#include "../edelib2/Icon.h"
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#include "../edelib2/Util.h"
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#include "../edelib2/NLS.h"
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#include <fltk/run.h>
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#define MAX_TREE_DEPTH 100
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using namespace fltk;
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//
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// 'FileBrowser::FileBrowser()' - Create a FileBrowser widget.
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//
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// Fn that makes sure path ends with slash
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// (ensure that path allocation is large enough to take one extra char)
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void make_end_with_slash(char* path) {
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int i=strlen(path);
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if (path[i-1] != '/') {
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path[i]='/';
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path[i+1]='\0';
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}
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}
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DirTree::DirTree(int X, // I - Upper-lefthand X coordinate
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int Y, // I - Upper-lefthand Y coordinate
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int W, // I - Width in pixels
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int H, // I - Height in pixels
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const char *l) // I - Label text
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: Browser(X, Y, W, H, l) {
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// Initialize the filter pattern, current directory, and icon size...
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//pattern_ = "*";
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//directory_ = "";
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//icon_size_ = 12.0f;
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//filetype_ = FILES;
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show_hidden_ = false;
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//Symbol* fileSmall = edelib::Icon::get(DEFAULT_ICON,edelib::Icon::SMALL);
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//set_symbol(Browser::LEAF, fileSmall, fileSmall);
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}
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// Filesystem data
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// TODO: find better icons for Amiga, Macintosh etc.
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static struct {
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char id[15];
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char uiname[50];
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char icon[20];
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} filesystems[] = {
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// Filesystems that should be ignored
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{"auto", "", ""}, // removables will be added another way
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{"autofs", "", ""}, // removables will be added another way
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{"binfmt_misc", "", ""},
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{"debugfs", "", ""},
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{"devfs", "", ""},
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{"devpts", "", ""},
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{"fd", "", ""},
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{"fdesc", "", ""},
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{"kernfs", "", ""},
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{"proc", "", ""},
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{"procfs", "", ""},
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{"swap", "", ""},
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{"sysfs", "", ""},
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{"tmpfs", "", ""},
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{"usbfs", "", ""},
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// Common filesystems
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{"ext2", "Linux disk (%s)", "hdd_unmount"},
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{"ext2fs", "Linux disk (%s)", "hdd_unmount"},
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{"ext3", "Linux disk (%s)", "hdd_unmount"},
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{"reiserfs", "Linux disk (%s)", "hdd_unmount"},
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{"ffs", "BSD disk (%s)", "hdd_unmount"},
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{"ufs", "Unix disk (%s)", "hdd_unmount"},
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{"dos", "Windows disk (%s)", "win_mount"},
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{"fat", "Windows disk (%s)", "win_mount"},
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{"msdos", "Windows disk (%s)", "win_mount"},
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{"ntfs", "Windows disk (%s)", "win_mount"},
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{"pcfs", "Windows disk (%s)", "win_mount"},
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{"umsdos", "Windows disk (%s)", "win_mount"},
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{"vfat", "Windows disk (%s)", "win_mount"},
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{"cd9660", "CD-ROM (%s)", "cdrom_unmount"},
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{"cdfs", "CD-ROM (%s)", "cdrom_unmount"},
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{"cdrfs", "CD-ROM (%s)", "cdrom_unmount"},
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{"hsfs", "CD-ROM (%s)", "cdrom_unmount"},
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{"iso9660", "CD-ROM (%s)", "cdrom_unmount"},
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{"isofs", "CD-ROM (%s)", "cdrom_unmount"},
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{"udf", "DVD-ROM (%s)", "dvd_unmount"},
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{"cifs", "Shared directory (%s)", "server"},
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{"nfs", "Shared directory (%s)", "server"},
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{"nfs4", "Shared directory (%s)", "server"},
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{"smbfs", "Shared directory (%s)", "server"},
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{"cramfs", "Virtual (RAM) disk (%s)", "memory"},
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{"mfs", "Virtual (RAM) disk (%s)", "memory"},
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{"ramfs", "Virtual (RAM) disk (%s)", "memory"},
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{"romfs", "Virtual (RAM) disk (%s)", "memory"},
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{"union", "Virtual (RAM) disk (%s)", "memory"}, // not accurate, but good enough
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{"unionfs", "Virtual (RAM) disk (%s)", "memory"}, // not accurate, but good enough
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{"jfs", "IBM AIX disk (%s)", "hdd_unmount"},
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{"xfs", "SGI IRIX disk (%s)", "hdd_unmount"},
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// Other filesystems
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{"coherent", "Unix disk (%s)", "hdd_unmount"},
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{"sysv", "Unix disk (%s)", "hdd_unmount"},
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{"xenix", "Unix disk (%s)", "hdd_unmount"},
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{"adfs", "RiscOS disk (%s)", "hdd_unmount"},
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{"filecore", "RiscOS disk (%s)", "hdd_unmount"},
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{"ados", "Amiga disk (%s)", "hdd_unmount"},
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{"affs", "Amiga disk (%s)", "hdd_unmount"},
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{"afs", "AFS shared directory (%s)", "server"},
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{"befs", "BeOS disk (%s)", "hdd_unmount"},
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{"bfs", "UnixWare disk (%s)", "hdd_unmount"},
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{"efs", "SGI IRIX disk (%s)", "hdd_unmount"},
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{"ext", "Old Linux disk (%s)", "hdd_unmount"},
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{"hfs", "Macintosh disk (%s)", "hdd_unmount"}, // Also used for HP-UX filesystem!!
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{"hpfs", "OS/2 disk (%s)", "hdd_unmount"},
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// {"lfs", "BSD LFS disk (%s)", "hdd_unmount"}, // This is said to not work
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{"minix", "Minix disk (%s)", "hdd_unmount"},
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{"ncpfs", "NetWare shared directory (%s)", "server"},
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{"nwfs", "NetWare shared directory (%s)", "server"},
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{"qns", "QNX disk (%s)", "hdd_unmount"},
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{"supermount", "Removable disk (%s)", "cdrom_umnount"}, // ???
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{"xiafs", "Old Linux disk (%s)", "hdd_unmount"},
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// Virtual filesystems (various views of existing files)
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// How often are these used?
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// {"cachefs", "Unix virtual disk ?? (%s)", "memory"},
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// {"lofs", "Solaris virtual disk ?? (%s)", "memory"},
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// {"null", "BSD virtual disk ?? (%s)", "memory"},
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// {"nullfs", "BSD virtual disk ?? (%s)", "memory"},
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// {"overlay", "BSD virtual disk ?? (%s)", "memory"},
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// {"portal", "BSD virtual disk ?? (%s)", "memory"},
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// {"portalfs", "BSD virtual disk ?? (%s)", "memory"},
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// {"umap", "BSD virtual disk ?? (%s)", "memory"},
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// {"umapfs", "BSD virtual disk ?? (%s)", "memory"},
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{"", "", ""}
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};
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//
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// 'FileBrowser::load()' - Load basic directory list into browser
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//
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int // O - Number of files loaded
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DirTree::load()
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{
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int num_files=0;
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char buffer[PATH_MAX]; // buffer for labels
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Group* o; // generic pointer
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this->begin();
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// Top level icon
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Group* system = (Group*)add_group(_("System"), 0, 0, edelib::Icon::get("tux",edelib::Icon::TINY));
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// Home icon
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snprintf(buffer,PATH_MAX,_("%s's Home"), getenv("USER"));
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o = (Group*)add_group(strdup(buffer), system, 0, edelib::Icon::get("folder_home",edelib::Icon::TINY));
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strncpy(buffer,getenv("HOME"),PATH_MAX);
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// Home env. var. often doesn't end with slash
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make_end_with_slash(buffer);
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o->user_data(strdup(buffer));
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// Root icon
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o = (Group*)add_group(_("Whole disk"), system, 0, edelib::Icon::get("folder_red",edelib::Icon::TINY));
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o->user_data(strdup("/"));
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num_files=3;
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// Read mtab/fstab/whatever
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FILE *mtab; // /etc/mtab or /etc/mnttab file
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char line[1024]; // Input line
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char device[1024], mountpoint[1024], fs[1024];
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// mtab doesn't contain removable entries, but we will find another way
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// to add them (some day)
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mtab = fopen("/etc/mnttab", "r"); // Fairly standard
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if (mtab == NULL)
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mtab = fopen("/etc/mtab", "r"); // More standard
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if (mtab == NULL)
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mtab = fopen("/etc/fstab", "r"); // Otherwise fallback to full list
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if (mtab == NULL)
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mtab = fopen("/etc/vfstab", "r"); // Alternate full list file
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while (mtab!= NULL && fgets(line, sizeof(line), mtab) != NULL) {
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if (line[0] == '#' || line[0] == '\n')
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continue;
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if (sscanf(line, "%s%s%s", device, mountpoint, fs) != 3)
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continue;
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make_end_with_slash(mountpoint);
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// Stuff that should be invisible cause we already show it
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if (strcmp(mountpoint,"/") == 0) continue; // root
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if (strcmp(mountpoint,getenv("HOME")) == 0) continue; // home dir
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// Device name without "/dev/"
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char *shortdev = strrchr(device,'/');
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if (shortdev==NULL) shortdev=device; else shortdev++;
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// Go through list of known filesystems
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for (int i=0; filesystems[i].id[0] != '\0'; i++) {
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if (strcmp(fs, filesystems[i].id) == 0) {
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if (filesystems[i].uiname[0] == '\0') break; // skipping this fs
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snprintf(buffer, PATH_MAX, filesystems[i].uiname, shortdev);
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o = (Group*)add_group(strdup(buffer), system, 0, edelib::Icon::get(filesystems[i].icon, edelib::Icon::TINY));
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o->user_data(strdup(mountpoint));
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num_files++;
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}
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}
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}
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this->end();
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system->set_flag(fltk::OPENED);
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this->redraw();
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return (num_files);
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}
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// Browser method for opening (expanding) a subtree
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// We override this method so we could scan directory tree on demand
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bool DirTree::set_item_opened(bool open) {
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// Eliminate bogus call
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if (!item()) return false;
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// This is what we do different from Browser:
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//fprintf (stderr, "Children: %d\n",children(current_index(),current_level()+1));
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if (open && children(current_index(),current_level()+1)<=0) {
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dirent** files;
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char* directory = (char*)item()->user_data();
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char filename[PATH_MAX];
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// NOTE we default to casenumericsort!
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int num_files = filename_list(directory, &files, casenumericsort);
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Group* current = (Group*)item();
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for (int i=0; i<num_files; i++) {
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if (files[i]->d_name[0] == '.' && show_hidden_==false) continue;
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if (!strcmp(files[i]->d_name,"./") || !strcmp(files[i]->d_name,"../")) continue;
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snprintf(filename, PATH_MAX, "%s%s", directory, files[i]->d_name);
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//fprintf(stderr, "Testing: %s\n",filename);
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if (filename_isdir(filename)) {
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// Strip slash from label
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char *n = strdup(files[i]->d_name);
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n[strlen(n)-1] = '\0';
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Group* o = (Group*)add_group(n, current, 0, edelib::Icon::get("folder", edelib::Icon::TINY));
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o->user_data(strdup(filename));
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}
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}
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}
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return Browser::set_item_opened(open);
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}
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// Recursively find tree entry whose user_data() (system path)
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// contains the largest portion of given path
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// Best match is focused, return value tells if perfect match was found
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bool DirTree::set_current(const char* path) {
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int tree[MAX_TREE_DEPTH];
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// Copy of path where we add slash as needed
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char mypath[PATH_MAX];
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strncpy(mypath,path,PATH_MAX-2);
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make_end_with_slash(mypath);
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// There is always exactly one toplevel entry - "System"
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tree[0]=0;
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set_item(tree,1);
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bool t = find_best_match(mypath,tree,1);
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set_focus();
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// Expand current item
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set_item_opened(true);
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return t;
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}
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// Recursive function called by set_current()
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bool DirTree::find_best_match(const char* path, int* tree, int level) {
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uint bestlen=0;
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int bestindex=-1;
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int n_children = children(tree,level);
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// Given entry has no children
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// let's forward this result to first caller
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if (n_children == -1) return false;
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// Look at all children of given entry and find the best match
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for (int i=0; i<n_children; i++) {
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tree[level]=i;
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Widget* w = child(tree,level);
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char* p = (char*)w->user_data();
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if (strlen(p)>strlen(path)) continue; // too specific
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if ((strncmp(path, p, strlen(p)) == 0) && (strlen(p)>bestlen)) {
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bestlen=strlen(p);
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bestindex=i;
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}
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}
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// No matches found
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if (bestindex==-1) return false;
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// Focus on best match
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tree[level]=bestindex;
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goto_index(tree,level);
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//char* p = (char*)child(tree,level)->user_data();
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//fprintf (stderr, "Found: %s\n", p);
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// Is this a perfect match?
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if (bestlen == strlen(path)) return true;
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// Can the best item be further expanded?
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set_item_opened(true);
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// Try its children (if none, it will return false)
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return find_best_match(path, tree, level+1);
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}
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//
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// End of "$Id: FileBrowser.cxx 5071 2006-05-02 21:57:08Z fabien $".
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//
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94
efiler/EDE_DirTree.h
Normal file
94
efiler/EDE_DirTree.h
Normal file
@ -0,0 +1,94 @@
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//
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// "$Id: FileBrowser.h 4926 2006-04-10 21:03:29Z fabien $"
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//
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// FileBrowser definitions.
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//
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// Copyright 1999-2006 by Michael Sweet.
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//
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// This library is free software; you can redistribute it and/or
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// modify it under the terms of the GNU Library General Public
|
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// License as published by the Free Software Foundation; either
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// version 2 of the License, or (at your option) any later version.
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//
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// This library is distributed in the hope that it will be useful,
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// but WITHOUT ANY WARRANTY; without even the implied warranty of
|
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// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
|
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// Library General Public License for more details.
|
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//
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// You should have received a copy of the GNU Library General Public
|
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// License along with this library; if not, write to the Free Software
|
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// Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307
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// USA.
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//
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// Please report all bugs and problems on the following page:
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//
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// http://www.fltk.org/str.php
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//
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//
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// Include necessary header files...
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//
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#ifndef edelib_DirTree_h
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#define edelib_DirTree_h
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#include <fltk/Browser.h>
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#include <fltk/filename.h>
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//namespace fltk {
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//
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// FileBrowser class...
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//
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class DirTree : public fltk::Browser
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{
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public:
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DirTree(int, int, int, int, const char * = 0);
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|
||||
/*float icon_size() const {
|
||||
return (icon_size_ <0? (2.0f* textsize()) : icon_size_);
|
||||
}
|
||||
void icon_size(float f) { icon_size_ = f; redraw(); };*/
|
||||
|
||||
// Set given directory as current. Returns false if directory doesn't exist
|
||||
// (the closest parent directory will be selected)
|
||||
bool set_current(const char* path);
|
||||
|
||||
// Load base directories into widget
|
||||
int load();
|
||||
|
||||
// Browser method for opening (expanding) a subtree
|
||||
// We override this method so we could scan directory tree on demand
|
||||
bool set_item_opened(bool);
|
||||
|
||||
// adding or inserting a line into the fileBrowser
|
||||
//void insert(int n, const char* label, fltk::FileIcon* icon);
|
||||
//void insert(int n, const char* label, void* data){fltk::Menu::insert(n, label,data);}
|
||||
//void add(const char * line, fltk::FileIcon* icon);
|
||||
|
||||
// Return full system path to given item
|
||||
const char* system_path(int i) const {
|
||||
return (const char*)child(i)->user_data(); }
|
||||
|
||||
// Showing or not showing the hidden files, that's the question:
|
||||
public:
|
||||
// sets this flag if you want to see the hidden files in the browser
|
||||
void show_hidden(bool show) { show_hidden_= show; }
|
||||
bool show_hidden() const {return show_hidden_;}
|
||||
private:
|
||||
bool show_hidden_;
|
||||
bool find_best_match(const char* path, int* indexes, int level);
|
||||
};
|
||||
|
||||
//}
|
||||
|
||||
#endif // !_Fl_File_Browser_H_
|
||||
|
||||
//
|
||||
// End of "$Id: FileBrowser.h 4926 2006-04-10 21:03:29Z fabien $".
|
||||
//
|
||||
Loading…
Reference in New Issue
Block a user