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365 lines
9.8 KiB
C++
365 lines
9.8 KiB
C++
//
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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 <fltk/FileBrowser.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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#ifdef __CYGWIN__
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# include <mntent.h>
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#elif defined(WIN32)
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# include <windows.h>
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# include <direct.h>
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// Apparently Borland C++ defines DIRECTORY in <direct.h>, which
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// interfers with the FileIcon enumeration of the same name.
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# ifdef DIRECTORY
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# undef DIRECTORY
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# endif // DIRECTORY
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#endif // __CYGWIN__
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#ifdef __EMX__
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# define INCL_DOS
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# define INCL_DOSMISC
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# include <os2.h>
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#endif // __EMX__
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// CodeWarrior (__MWERKS__) gets its include paths confused, so we
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// temporarily disable this...
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#if defined(__APPLE__) && !defined(__MWERKS__)
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# include <sys/param.h>
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# include <sys/ucred.h>
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# include <sys/mount.h>
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#endif // __APPLE__ && !__MWERKS__
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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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FileBrowser::FileBrowser(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_ = -1.0f;
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filetype_ = FILES;
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show_hidden_ = false;
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}
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//
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// 'FileBrowser::load()' - Load a directory into the browser.
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//
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int // O - Number of files loaded
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FileBrowser::load(const char *directory,// I - Directory to load
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File_Sort_F *sort) // I - Sort function to use
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{
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int i; // Looping var
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int num_files; // Number of files in directory
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int num_dirs; // Number of directories in list
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char filename[4096]; // Current file
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FileIcon *icon; // Icon to use
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// printf("FileBrowser::load(\"%s\")\n", directory);
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if (!directory)
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return (0);
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clear();
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directory_ = directory;
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if (directory_[0] == '\0')
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{
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//
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// No directory specified; for UNIX list all mount points. For DOS
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// list all valid drive letters...
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//
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num_files = 0;
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if ((icon = FileIcon::find("any", FileIcon::DEVICE)) == NULL)
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icon = FileIcon::find("any", FileIcon::DIRECTORY);
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#ifdef WIN32
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# ifdef __CYGWIN__
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//
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// Cygwin provides an implementation of setmntent() to get the list
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// of available drives...
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//
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FILE *m = setmntent("/-not-used-", "r");
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struct mntent *p;
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while ((p = getmntent (m)) != NULL) {
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add(p->mnt_dir, icon);
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num_files ++;
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}
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endmntent(m);
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# else
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//
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// Normal WIN32 code uses drive bits...
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//
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DWORD drives; // Drive available bits
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drives = GetLogicalDrives();
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for (i = 'A'; i <= 'Z'; i ++, drives >>= 1)
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if (drives & 1)
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{
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sprintf(filename, "%c:/", i);
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if (i < 'C')
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add(filename, icon);
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else
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add(filename, icon);
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num_files ++;
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}
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# endif // __CYGWIN__
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#elif defined(__EMX__)
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//
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// OS/2 code uses drive bits...
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//
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ULONG curdrive; // Current drive
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ULONG drives; // Drive available bits
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int start = 3; // 'C' (MRS - dunno if this is correct!)
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DosQueryCurrentDisk(&curdrive, &drives);
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drives >>= start - 1;
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for (i = 'A'; i <= 'Z'; i ++, drives >>= 1)
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if (drives & 1)
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{
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sprintf(filename, "%c:/", i);
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add(filename, icon);
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num_files ++;
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}
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#elif defined(__APPLE__) && !defined(__MWERKS__)
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// MacOS X and Darwin use getfsstat() system call...
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int numfs; // Number of file systems
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struct statfs *fs; // Buffer for file system info
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// We always have the root filesystem.
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add("/", icon);
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// Get the mounted filesystems...
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numfs = getfsstat(NULL, 0, MNT_NOWAIT);
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if (numfs > 0) {
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// We have file systems, get them...
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fs = new struct statfs[numfs];
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getfsstat(fs, sizeof(struct statfs) * numfs, MNT_NOWAIT);
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// Add filesystems to the list...
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for (i = 0; i < numfs; i ++) {
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// Ignore "/", "/dev", and "/.vol"...
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if (fs[i].f_mntonname[1] && strcmp(fs[i].f_mntonname, "/dev") &&
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strcmp(fs[i].f_mntonname, "/.vol")) {
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snprintf(filename, sizeof(filename), "%s/", fs[i].f_mntonname);
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add(filename, icon);
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}
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num_files ++;
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}
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// Free the memory used for the file system info array...
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delete[] fs;
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}
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#else
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//
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// UNIX code uses /etc/fstab or similar...
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//
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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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//
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// Open the file that contains a list of mounted filesystems...
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//
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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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if (mtab != NULL)
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{
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while (fgets(line, sizeof(line), mtab) != NULL)
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{
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if (line[0] == '#' || line[0] == '\n')
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continue;
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if (sscanf(line, "%*s%4095s", filename) != 1)
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continue;
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strlcat(filename, "/", sizeof(filename));
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// printf("FileBrowser::load() - adding \"%s\" to list...\n", filename);
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add(filename, icon);
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num_files ++;
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}
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fclose(mtab);
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}
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#endif // WIN32 || __EMX__
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}
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else
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{
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dirent **files; // Files in in directory
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//
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// Build the file list...
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//
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#if (defined(WIN32) && !defined(__CYGWIN__)) || defined(__EMX__)
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strlcpy(filename, directory_, sizeof(filename));
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i = strlen(filename) - 1;
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if (i == 2 && filename[1] == ':' &&
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(filename[2] == '/' || filename[2] == '\\'))
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filename[2] = '/';
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else if (filename[i] != '/' && filename[i] != '\\')
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strlcat(filename, "/", sizeof(filename));
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num_files = fltk::filename_list(filename, &files, sort);
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#else
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num_files = fltk::filename_list(directory_, &files, sort);
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#endif /* WIN32 || __EMX__ */
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if (num_files <= 0)
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return (0);
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for (i = 0, num_dirs = 0; i < num_files; i ++) {
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if (strcmp(files[i]->d_name, "./") ) {
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snprintf(filename, sizeof(filename), "%s/%s", directory_,
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files[i]->d_name);
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//bool ft = true; if (ft) {FileIcon::load_system_icons(); ft=false;}
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icon = FileIcon::find(filename);
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//printf("%s\n",files[i]->d_name);
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if (!strcmp(files[i]->d_name, ".") || !strcmp(files[i]->d_name, "./") ||
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!show_hidden_ && files[i]->d_name[0]=='.' && strncmp(files[i]->d_name,"../",2))
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continue;
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if ((icon && icon->type() == FileIcon::DIRECTORY) ||
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fltk::filename_isdir(filename)) {
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num_dirs ++;
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this->insert(num_dirs-1, files[i]->d_name, icon);
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} else if (filetype_ == FILES &&
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fltk::filename_match(files[i]->d_name, pattern_)) {
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add(files[i]->d_name, icon);
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}
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}
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free(files[i]);
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}
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free(files);
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}
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return (num_files);
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}
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//
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// 'FileBrowser::filter()' - Set the filename filter.
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//
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// I - Pattern string
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void FileBrowser::filter(const char *pattern) {
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// If pattern is NULL set the pattern to "*"...
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if (pattern) pattern_ = pattern;
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else pattern_ = "*";
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}
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////////////////////////////////////////////////////////////////
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//#include <pixmaps/file_small.xpm>
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//#include <fltk/xpmImage.h>
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class FileItem : public Item {
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public:
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FileItem(const char * label, FileIcon * icon);
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void draw();
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private:
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FileIcon* fileIcon_;
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};
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FileItem::FileItem(const char * label, FileIcon * icon) : Item(label) {
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fileIcon_=icon;
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textsize(14);
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if(icon) icon->value(this,true);
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}
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void FileItem::draw() {
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if (fileIcon_) fileIcon_->value(this,true);
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Item::draw();
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}
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////////////////////////////////////////////////////////////////
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void FileBrowser::add(const char *line, FileIcon *icon) {
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this->begin();
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FileItem * i = new FileItem(strdup(line),icon);
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i->w((int) icon_size()); i->h(i->w());
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this->end();
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}
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void FileBrowser::insert(int n, const char *label, FileIcon*icon) {
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current(0);
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FileItem * i = new FileItem(strdup(label),icon);
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i->w((int) icon_size()); i->h(i->w());
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Menu::insert(*i,n);
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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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