ede/efiler/efiler.cpp

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/*
* $Id$
*
* EFiler - EDE File Manager
* Part of Equinox Desktop Environment (EDE).
* Copyright (c) 2000-2007 EDE Authors.
*
* This program is licenced under terms of the
* GNU General Public Licence version 2 or newer.
* See COPYING for details.
*/
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#include <string.h>
#include <dirent.h>
#include <sys/stat.h>
#include <sys/time.h> // timer in cb_open
#include <sys/resource.h> // for core dumps
#include <unistd.h> // for getuid & getgid
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// for application icon:
#include <X11/xpm.h>
#include <FL/x.H>
#include "efiler.xpm"
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#include <Fl/Fl.H>
#include <Fl/Fl_Menu_Bar.H>
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#include <Fl/Fl_Menu_Button.H>
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#include <Fl/filename.H>
#include <Fl/Fl_File_Input.H> // location bar
#include <edelib/Directory.h>
#include <edelib/DirWatch.h>
#include <edelib/IconTheme.h> // for setting the icon theme
#include <edelib/MessageBox.h>
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#include <edelib/MimeType.h>
#include <edelib/Nls.h>
#include <edelib/Resource.h>
#include <edelib/Run.h>
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#include <edelib/String.h>
#include <edelib/StrUtil.h>
#include <edelib/Window.h>
#include "EDE_FileView.h" // our file view widget
#include "EDE_DirTree.h" // directory tree
#include "Util.h" // ex-edelib
#include "OpenWith.h" // Open with... window
#include "Properties.h" // File properties window
#include "fileops.h" // file operations
#include "filesystem.h" // filesystem support
#include "ede_strverscmp.h" // local copy of strverscmp
#include "mailcap.h" // handling mailcap file
edelib::Window* win;
FileView* view;
Fl_Menu_Bar* main_menu;
Fl_Box* statusbar;
DirTree* dirtree;
Fl_Tile* tile;
Fl_Group* location_bar;
Fl_File_Input* location_input;
Fl_Menu_Button* context_menu;
OpenWith *ow;
edelib::Resource app_config;
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edelib::MimeType mime_resolver;
struct stat64 stat_buffer;
// global values
char current_dir[FL_PATH_MAX];
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bool showhidden;
bool semaphore;
bool dirsfirst;
bool ignorecase;
bool showtree;
bool showlocation;
int tree_width;
bool notify_available;
// constants
const int default_window_width = 600;
const int default_window_height = 400;
const int menubar_height = 30;
const int location_bar_height = 40;
const int statusbar_height = 24;
const int statusbar_width = 400;
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const bool dumpcore_on_exec = true; // if external handler crashes
int default_tree_width=150;
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/*-----------------------------------------------------------------
Subclassed Window for handling F8 key to switch between
icon view and list view
-------------------------------------------------------------------*/
void iconsview_cb(Fl_Widget*, void*);
void listview_cb(Fl_Widget*, void*);
class EFiler_Window : public edelib::Window {
public:
EFiler_Window (int W, int H, const char* title=0) : edelib::Window(W,H,title) {}
EFiler_Window (int X, int Y, int W, int H, const char* title=0) :
edelib::Window(X,Y,W,H,title) {}
int handle(int e) {
// Have F8 function as switch between active views
if (e == FL_KEYBOARD && Fl::event_key()==FL_F+8) {
void*p;
if (view->type() == FILE_DETAILS_VIEW) {
iconsview_cb(main_menu,p);
} else {
listview_cb(main_menu,p);
}
return 1;
}
return edelib::Window::handle(e);
}
};
/*-----------------------------------------------------------------
Some improvements to Fl_File_Input, that should be added
upstream:
* enable to set shortcut in label (STR 1770 for Fl_Input_)
* navigate using Ctrl+arrow (jump to dir separator)
-------------------------------------------------------------------*/
class My_File_Input : public Fl_File_Input {
int shortcut_;
public:
My_File_Input(int X,int Y,int W,int H,const char *label=0) : Fl_File_Input(X,Y,W,H,label) {
set_flag(SHORTCUT_LABEL);
shortcut_ = 0;
}
int shortcut() const {return shortcut_;}
void shortcut(int s) {shortcut_ = s;}
int handle(int e) {
if (e==FL_SHORTCUT) {
if (!(shortcut() ? Fl::test_shortcut(shortcut()) : test_shortcut())) return 0;
if (Fl::visible_focus() && handle(FL_FOCUS)) Fl::focus(this);
return 1;
}
if (e==FL_KEYDOWN) {
if (Fl::event_state(FL_CTRL)) {
const char* v = value();
if (Fl::event_key()==FL_Left) {
for (uint i=position()-2; i>=0; i--)
if (v[i]=='/') {
if (Fl::event_state(FL_SHIFT))
position(i+1,mark());
else
position(i+1,i+1);
break;
}
return 1; // don't go out
}
if (Fl::event_key()==FL_Right) {
for (uint i=position()+1; i<strlen(v); i++)
if (v[i]=='/') {
if (Fl::event_state(FL_SHIFT))
position(i+1,mark());
else
position(i+1,i+1);
break;
}
return 1; // don't go out
}
}
}
return Fl_File_Input::handle(e);
}
};
/*-----------------------------------------------------------------
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loaddir() and friends
-------------------------------------------------------------------*/
// Use local copy of strverscmp
int ede_versionsort(const void *a, const void *b) {
struct dirent** ka = (struct dirent**)a;
struct dirent** kb = (struct dirent**)b;
return ede_strverscmp((*ka)->d_name,(*kb)->d_name);
}
// Modification of versionsort which ignores case
int ede_versioncasesort(const void *a, const void *b) {
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struct dirent** ka = (struct dirent**)a;
struct dirent** kb = (struct dirent**)b;
char* ma = strdup((*ka)->d_name);
char* mb = strdup((*kb)->d_name);
edelib::str_tolower((unsigned char*)ma); edelib::str_tolower((unsigned char*)mb);
int k = ede_strverscmp(ma,mb);
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free(ma); free(mb);
return k;
}
// Return a string describing permissions relative to the current user
const char* permission_text(mode_t mode, uid_t uid, gid_t gid) {
static uid_t uuid = getuid();
static gid_t ugid = getgid();
// use geteuid() and getegid()? what's the difference?
if (S_ISDIR(mode)) {
// Directory
if (uid == uuid) {
if (!(mode&S_IXUSR))
return _("Can't enter directory");
if (!(mode&S_IRUSR))
return _("Can't list directory");
if (!(mode&S_IWUSR))
return _("Can't add, delete, rename files"); // shorter description?
return _("Full permissions");
} else if (gid == ugid) {
if (!(mode&S_IXGRP))
return _("Can't enter directory");
if (!(mode&S_IRGRP))
return _("Can't list directory");
if (!(mode&S_IWGRP))
return _("Can't add, delete, rename files");
return _("Full permissions");
} else {
if (!(mode&S_IXOTH))
return _("Can't enter directory");
if (!(mode&S_IROTH))
return _("Can't list directory");
if (!(mode&S_IWOTH))
return _("Can't add, delete, rename files");
return _("Full permissions");
}
} else {
// Regular file (anything else should have similar permissions)
if (uid == uuid) {
if ((mode&S_IXUSR) && (mode&S_IRUSR) && (mode&S_IWUSR))
return _("Read, write, execute");
if ((mode&S_IRUSR) && (mode&S_IWUSR))
return _("Read, write");
if ((mode&S_IXUSR) && (mode&S_IRUSR))
return _("Read only, execute");
if ((mode&S_IRUSR))
return _("Read only");
// ignore weird permissions such as "write only"
return _("Not readable");
} else if (gid == ugid) {
if ((mode&S_IXGRP) && (mode&S_IRGRP) && (mode&S_IWGRP))
return _("Read, write, execute");
if ((mode&S_IRGRP) && (mode&S_IWGRP))
return _("Read, write");
if ((mode&S_IXGRP) && (mode&S_IRGRP))
return _("Read only, execute");
if ((mode&S_IRGRP))
return _("Read only");
return _("Not readable");
} else {
if ((mode&S_IXOTH) && (mode&S_IROTH) && (mode&S_IWOTH))
return _("Read, write, execute");
if ((mode&S_IROTH) && (mode&S_IWOTH))
return _("Read, write");
if ((mode&S_IXOTH) && (mode&S_IROTH))
return _("Read only, execute");
if ((mode&S_IROTH))
return _("Read only");
return _("Not readable");
}
}
}
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// This function loads list of files in path into main view
void loaddir(const char *path) {
if (semaphore) return; // Prevent loaddir to interrupt previous loaddir - that can result in crash
semaphore=true;
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char old_dir[FL_PATH_MAX];
strncpy(old_dir,current_dir,strlen(current_dir)); // Restore olddir in case of error
// Sometimes path is just a pointer to current_dir
char* tmpath = strdup(path);
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// Set current_dir ( fl_filename_isdir() thinks that / isn't a dir :(
if (strcmp(path,"/")==0 || fl_filename_isdir(path)) {
if (path[0] == '~' && path[1] == '/') {// Expand tilde
snprintf(current_dir,FL_PATH_MAX,"%s/%s",edelib::dir_home().c_str(),tmpath+1);
} else if (path[0] != '/') { // Relative path
char *t = tmpath;
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if (path[0] == '.' && path[1] == '/') t+=2; // remove '.'
else if (path[0] == '.' && path[1] != '.') t+=1;
snprintf(current_dir,FL_PATH_MAX,"%s/%s",edelib::dir_current().c_str(),t);
} else {
if (path!=current_dir) strncpy(current_dir,tmpath,strlen(tmpath)+1);
}
} else {
edelib::alert(_("Directory not found: %s"),path);
free(tmpath);
semaphore=false;
return;
}
free(tmpath);
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// Trailing slash should always be there
if (current_dir[strlen(current_dir)-1] != '/') strcat(current_dir,"/");
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// Compact dotdot (..)
while (char *tmp = strstr(current_dir,"/../")) {
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char *tmp2 = tmp+4;
tmp--;
while (tmp != current_dir && *tmp != '/') tmp--;
tmp++;
while (*tmp2 != '\0') *tmp++ = *tmp2++;
*tmp='\0';
}
// List all files in directory
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int size=0;
dirent **files;
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if (ignorecase)
size = scandir(current_dir, &files, 0, ede_versioncasesort);
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else
size = scandir(current_dir, &files, 0, ede_versionsort);
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if (size<1) { // there should always be at least '.' and '..'
edelib::alert(_("Permission denied!"));
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strncpy(current_dir,old_dir,strlen(current_dir));
semaphore=false;
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return;
}
// Ok, now we know everything is fine...
// Remove old watch and add new one
edelib::DirWatch::remove(old_dir);
edelib::DirWatch::add(current_dir, edelib::DW_CREATE | edelib::DW_DELETE | edelib::DW_ATTRIB | edelib::DW_RENAME | edelib::DW_MODIFY);
// Update directory tree
if (showtree) dirtree->set_current(current_dir);
location_input->value(current_dir);
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// set window label
// copy_label() is a method that calls strdup() and later free()
win->copy_label(tsprintf(_("%s - File manager"), my_filename_name(current_dir)));
statusbar->copy_label(tsprintf(_("Scanning directory %s..."), current_dir));
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view->clear();
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FileItem **item_list = new FileItem*[size];
int fsize=0;
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for (int i=0; i<size; i++) {
char *n = files[i]->d_name; //shortcut
if (i>0) free(files[i-1]); // see scandir(3)
// don't show . (current directory)
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if (strcmp(n,".")==0) continue;
// hide files with dot except .. (up directory)
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if (!showhidden && (n[0] == '.') && (strcmp(n,"..")!=0)) continue;
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// hide files ending with tilde (backup)
if (!showhidden && (n[strlen(n)-1] == '~')) continue;
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char fullpath[FL_PATH_MAX];
snprintf (fullpath,FL_PATH_MAX-1,"%s%s",current_dir,n);
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if (stat64(fullpath,&stat_buffer)) continue; // happens when user has traverse but not read privilege
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FileItem *item = new FileItem;
item->name = n;
item->realpath = fullpath;
item->date = nice_time(stat_buffer.st_mtime);
item->permissions = permission_text(stat_buffer.st_mode,stat_buffer.st_uid,stat_buffer.st_gid);
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if (strcmp(n,"..")==0) {
// item->icon = "go-up"; // undo is prettier?!
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// in edeneu theme, I prefer go-jump rotated 180 degrees... in crystalsvg, undo is best
item->icon = "edit-undo";
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item->description = "Go up";
item->size = "";
} else if (S_ISDIR(stat_buffer.st_mode)) { // directory
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item->icon = "folder";
item->description = "Directory";
// item->name += "/";
item->size = "";
item->realpath += "/";
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} else {
item->icon = "empty"; //in crystalsvg "misc" is better...
// NOTE: "empty" is *not* listed in icon-naming-spec [1], but is present in
// both KDE and GNOME themes.
// [1] http://standards.freedesktop.org/icon-naming-spec/icon-naming-spec-0.8.html
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item->description = "Unknown";
item->size = nice_size(stat_buffer.st_size);
}
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item_list[fsize++] = item;
}
free(files[size-1]); free(files); // see scandir(3)
// Populate view
for (int i=0; i<fsize; i++)
if (item_list[i]->description == "Go up")
view->add(item_list[i]);
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if (dirsfirst) {
for (int i=0; i<fsize; i++)
if (item_list[i]->description == "Directory")
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view->add(item_list[i]);
for (int i=0; i<fsize; i++)
if (item_list[i]->description != "Directory" && item_list[i]->description != "Go up")
view->add(item_list[i]);
} else {
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for (int i=0; i<fsize; i++)
if (item_list[i]->description != "Go up")
view->add(item_list[i]);
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}
view->redraw();
Fl::check();
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// Update mime types - can be slow...
for (int i=0; i<fsize; i++) {
if (item_list[i]->description != "Directory" && item_list[i]->description != "Go up") {
mime_resolver.set(item_list[i]->realpath.c_str());
edelib::String desc,icon;
desc = mime_resolver.comment();
// First letter of desc should be upper case:
if (desc.length()>0 && desc[0]>='a' && desc[0]<='z') desc[0] = desc[0]-'a'+'A';
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icon = mime_resolver.icon_name();
if (desc!="" || icon!="") {
if (desc != "") item_list[i]->description = desc;
if (icon != "") item_list[i]->icon = icon;
view->update(item_list[i]);
}
Fl::check(); // keep interface responsive while updating mimetypes
}
}
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// Cleanup
for (int i=0; i<fsize; i++) delete item_list[i];
delete[] item_list;
semaphore=false;
// Get partition size and free space
double totalsize, freesize;
if (fs_usage(current_dir,totalsize,freesize)) {
double percent = (totalsize-freesize)/totalsize*100;
char *tmp = strdup(nice_size(totalsize)); // nice_size() operates on a static char buffer, we can't use two calls in the same command
statusbar->copy_label(tsprintf(_("Filesystem %s, Size %s, Free %s (%4.1f%% used)"), find_fs_for(current_dir), tmp, nice_size(freesize), percent));
free(tmp);
} else
statusbar->label(_("Error reading filesystem information!"));
}
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/*-----------------------------------------------------------------
file_open()
-------------------------------------------------------------------*/
// This function will open a file using a handler according to its MIME type
// and the action parameter
void file_open(const char* path, MailcapAction action) {
if (stat64(path,&stat_buffer)) return; // stat error
if (S_ISDIR(stat_buffer.st_mode)) { // directories are handled internally
loaddir(path);
return;
}
// Find opener
mime_resolver.set(path);
// char* opener = simpleopener(mime_resolver.type().c_str());
const char* opener = mailcap_opener(mime_resolver.type().c_str(), action);
struct rlimit *rlim; rlim_t old_rlimit;
if (dumpcore_on_exec) {
rlim = (struct rlimit*)malloc(sizeof(struct rlimit));
getrlimit (RLIMIT_CORE, rlim);
old_rlimit = rlim->rlim_cur; // keep previous rlimit
rlim->rlim_cur = RLIM_INFINITY;
setrlimit (RLIMIT_CORE, rlim);
}
const char *o2 = tsprintf(opener,path); // opener should contain %s
fprintf (stderr, "run_program: %s\n", o2);
if (action == MAILCAP_EXEC) {
// File is an executable - run it
int k=edelib::run_program(path,false); fprintf(stderr, "Xretval: %d\n", k);
} else if (mime_resolver.type() == "application/x-executable") {
edelib::MessageBox mb;
mb.label(_("Warning"));
mb.set_text(tsprintf(_("The file \"%s\" is an executable program. Do you want to run it? It might be a virus!"), fl_filename_name(path)));
mb.set_theme_icon(MSGBOX_ICON_WARNING);
mb.add_button(_("&No"), edelib::MSGBOX_BUTTON_RETURN);
mb.add_button(_("&Yes"));
int k=mb.run();
if (k==1) k=edelib::run_program(path,false); fprintf(stderr, "Xretval: %d\n", k);
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} else if (opener) {
int k=edelib::run_program(o2,false); fprintf(stderr, "retval: %d\n", k);
} else {
// Show "Open with..." dialog
ow->show(path, mime_resolver.type().c_str(), mime_resolver.type().c_str());
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}
if (dumpcore_on_exec) {
rlim->rlim_cur = old_rlimit;
setrlimit (RLIMIT_CORE, rlim);
free(rlim);
}
}
/*-----------------------------------------------------------------
Main menu and other callbacks
-------------------------------------------------------------------*/
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// ------------ Main menu callbacks
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// File menu
// File > Open
// This callback is also called by doubleclicking on file list and from context menu
void open_cb(Fl_Widget*w, void*data) {
// Ignore any other caller / event
if (Fl::event_clicks() || Fl::event_key() == FL_Enter || w==main_menu || w==context_menu) {
// Prevent calling two times rapidly
// (e.g. sloppy double/triple/quadruple click)
const int min_secs = 1; // min. number of secs between two calls
static timeval tm = {0,0};
timeval newtm;
gettimeofday(&newtm,0);
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if (newtm.tv_sec - tm.tv_sec < min_secs || (newtm.tv_sec-tm.tv_sec==min_secs && newtm.tv_usec<tm.tv_usec)) return;
tm=newtm;
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// Nothing is selected!?
// This can happen while efiler is loading
if (view->get_focus()==0) return;
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file_open(view->path(view->get_focus()), MAILCAP_VIEW);
}
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}
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// File > Open with...
// TODO: make a list of openers etc.
void openwith_cb(Fl_Widget*, void*) {
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const char* file = view->path(view->get_focus());
mime_resolver.set(file);
ow->show(file, mime_resolver.type().c_str(), mime_resolver.comment().c_str());
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}
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// File > New (efiler window)
void new_cb(Fl_Widget*, void*) {
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// FIXME: use program path, in case it's not in PATH
edelib::run_program(tsprintf("efiler %s",current_dir),false);
}
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// File > Quit
void quit_cb(Fl_Widget*, void*) { win->hide(); }
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// Options in Edit menu
void cut_cb(Fl_Widget*, void*) { do_cut_copy(false); }
void copy_cb(Fl_Widget*, void*) { do_cut_copy(true); }
void paste_cb(Fl_Widget*, void*) { Fl::paste(*view,1); } // view->handle() will call do_paste()
void delete_cb(Fl_Widget*, void*) { do_delete(); }
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void viewrename_cb(Fl_Widget*, void*) { view->start_rename(); } // Just call view's rename functionality
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// Options in View menu
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// View > Directory tree
void showtree_cb(Fl_Widget*, void*) {
showtree = !showtree;
if (!showtree) {
tree_width = dirtree->w();
tile->position(default_tree_width, 1, 1, 1); // NOTE this doesn't always work!
} else {
int currentw = dirtree->w();
tile->position(currentw, 1, tree_width, 1);
dirtree->set_current(current_dir);
}
}
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// View > Refresh (and also F5 key)
void refresh_cb(Fl_Widget*, void*) {
loaddir(current_dir);
}
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// View > Location bar
void locationbar_cb(Fl_Widget*, void*) {
showlocation = !showlocation;
if (showlocation) {
location_bar->show();
location_bar->resize(0, menubar_height, win->w(), location_bar_height);
tile->resize(0, menubar_height+location_bar_height, win->w(), win->h()-menubar_height-location_bar_height-statusbar_height);
win->init_sizes();
win->redraw();
} else {
location_bar->resize(0, menubar_height, win->w(), 0);
tile->resize(0, menubar_height, win->w(), win->h()-menubar_height-statusbar_height);
location_bar->hide();
win->init_sizes();
win->redraw();
}
}
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// View > Hidden files
void showhidden_cb(Fl_Widget*, void*) {
showhidden=!showhidden;
dirtree->show_hidden(showhidden);
dirtree->reload();
loaddir(current_dir);
}
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// View > Sort > Ignore case
void case_cb(Fl_Widget*, void*) {
ignorecase=!ignorecase;
dirtree->ignore_case(ignorecase);
dirtree->reload();
loaddir(current_dir);
}
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// View > Sort > Directories first
void dirsfirst_cb(Fl_Widget*, void*) {
dirsfirst=!dirsfirst;
loaddir(current_dir);
}
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// This fn changes menu and so must be implemented after menu definition
void update_menu_item(const char* label, bool value);
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// View > Icons
void iconsview_cb(Fl_Widget*, void*) {
if (view->type() != FILE_ICON_VIEW) {
view->type(FILE_ICON_VIEW);
loaddir(current_dir);
update_menu_item(_("&Icons"),true);
update_menu_item(_("&Detailed list"),false);
}
}
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// View > Detailed list
void listview_cb(Fl_Widget*, void*) {
if (view->type() != FILE_DETAILS_VIEW) {
view->type(FILE_DETAILS_VIEW);
loaddir(current_dir);
update_menu_item(_("&Icons"),false);
update_menu_item(_("&Detailed list"),true);
}
}
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// Help > About efiler
void about_cb(Fl_Widget*, void*) { fprintf(stderr, "callback\n"); }
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// Help > About EDE
void aboutede_cb(Fl_Widget*, void*) {
// Sanel created an external app for About EDE called eabout
edelib::run_program("eabout", /*wait=*/false);
}
// ------------ Other callbacks
// Context menu callbacks (items are displayed depending on type)
void fileedit_cb(Fl_Widget*w, void*) {
file_open(view->path(view->get_focus()), MAILCAP_EDIT);
}
void fileprint_cb(Fl_Widget*w, void*) {
file_open(view->path(view->get_focus()), MAILCAP_PRINT);
}
void fileexec_cb(Fl_Widget*w, void*) {
file_open(view->path(view->get_focus()), MAILCAP_EXEC);
}
void props_cb(Fl_Widget*, void*) {
Properties p(view->path(view->get_focus()));
p.show();
Fl::run();
}
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// Other options use callbacks from Edit menu
// Directory tree callback
void tree_cb(Fl_Widget*, void*) {
if (Fl::event_clicks() || Fl::event_key() == FL_Enter || Fl::event_key() == FL_KP_Enter) {
int selected = dirtree->get_focus();
loaddir((char*)dirtree->data(selected));
}
}
// This callback handles location input: changing the directory, autocomplete
// and callbacks for shortcut buttons
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// location_input is set to FL_WHEN_CHANGED
void location_input_cb(Fl_Widget*, void*) {
if (Fl::event_key() == FL_Enter || Fl::event()==FL_RELEASE)
// second event is click on button
loaddir(location_input->value());
if (Fl::event()==FL_KEYDOWN && Fl::event_key()!=FL_BackSpace && Fl::event_key()!=FL_Delete) {
// Pressing a key in Fl_Input will automatically replace selection with that char
// So there are really two possibilities:
// 1. Cursor is at the end, we add autocomplete stuff at cursor pos
// 2. Cursor is in the middle, we do nothing
const char* loc = location_input->value(); // shortcut
if (strlen(loc)<1 || loc[strlen(loc)-1]=='/') return;
uint pos = location_input->position();
if (pos!=strlen(loc)) return; // cursor in the middle
int mark = location_input->mark();
// To avoid scandir, we will use view contents
if ((strlen(loc)>strlen(current_dir)) && (!strchr(loc+strlen(current_dir),'/'))) {
int i;
for (i=1; i<=view->size(); i++) {
const char* p = view->path(i);
if ((p[strlen(p)-1] == '/') && (strncmp(loc, p, strlen(loc))==0))
break;
}
if (i<=view->size()) {
location_input->replace(pos, mark, view->path(i)+pos);
location_input->position(pos);
location_input->mark(strlen(view->path(i)));
}
// else beep(); ??
} else {
// sigh, we need to scandir....
char* k;
if (!(k=strrchr(loc,'/'))) return;
char* updir = strdup(loc);
updir[k-loc+1] = '\0';
dirent **files;
int size = scandir(updir, &files, 0, versionsort);
if (size<1) { free(updir); return; }
int i;
char p[FL_PATH_MAX];
for (i=0; i<size; i++) {
snprintf (p,FL_PATH_MAX-1,"%s%s",updir,files[i]->d_name);
struct stat buf;
if (stat(p,&buf)) continue; // happens when user has traverse but not read privilege
if (S_ISDIR(buf.st_mode)) {
strcat(p,"/");
if (strncmp(loc, p, strlen(loc))==0)
break;
}
free(files[i]);
}
free(files); free(updir);
if (i<size) {
location_input->replace(pos, mark, p+pos);
location_input->position(pos);
location_input->mark(strlen(p));
}
// else beep(); ??
}
}
}
// Callback called by edelib::DirWatch
void directory_change_cb(const char* dir, const char* what_changed, int flags, void* d) {
if (!what_changed || flags==edelib::DW_REPORT_NONE) return; // edelib whas unable to figure out what exactly changed
if (strcmp(current_dir,dir)) return; // for some reason we're being notified about non-current dir
// Find item in view
int found=-1;
for (int i=1; i<=view->size(); i++) {
const char *item = view->path(i);
if (strcmp(item+strlen(dir),what_changed)==0) { found=i; break; }
}
// If item was changed, it's simplest to remove it from the list then add it again
if (found>-1) view->remove(found);
if (flags==edelib::DW_REPORT_DELETE) return; // delete ends here
// Adding new item - code mostly copied from loaddir()
// TODO: create a separate function for this
char fullpath[FL_PATH_MAX];
snprintf (fullpath,FL_PATH_MAX-1,"%s%s",dir,what_changed);
if (stat64(fullpath,&stat_buffer)) return; // happens when user has traverse but not read privilege
FileItem *item = new FileItem;
item->name = what_changed;
item->realpath = fullpath;
item->date = nice_time(stat_buffer.st_mtime);
item->permissions = permission_text(stat_buffer.st_mode,stat_buffer.st_uid,stat_buffer.st_gid);
if (strcmp(what_changed,"..")==0) {
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item->icon = "edit_undo";
item->description = "Go up";
item->size = "";
} else if (S_ISDIR(stat_buffer.st_mode)) { // directory
item->icon = "folder";
item->description = "Directory";
// item->name += "/";
item->size = "";
item->realpath += "/";
} else {
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item->icon = "empty";
item->description = "Unknown";
item->size = nice_size(stat_buffer.st_size);
}
view->add(item);
view->redraw();
Fl::check(); // update interface to give time for mimetype resolver
mime_resolver.set(fullpath);
edelib::String desc,icon;
desc = mime_resolver.comment();
// First letter of desc should be upper case:
if (desc.length()>0 && desc[0]>='a' && desc[0]<='z') desc[0] = desc[0]-'a'+'A';
icon = mime_resolver.icon_name();
if (desc!="" || icon!="") {
if (desc != "") item->description = desc;
if (icon != "") item->icon = icon;
view->update(item);
}
view->redraw();
}
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// Function returns true if file is executable
bool file_executable(const char* path) {
if (stat64(path,&stat_buffer)) return false; // error
static uid_t uid = stat_buffer.st_uid, uuid = getuid();
static gid_t gid = stat_buffer.st_gid, ugid = getgid();
mode_t mode = stat_buffer.st_mode;
if (S_ISDIR(mode)) return false;
if (uid == uuid && mode&S_IXUSR) return true;
if (gid == ugid && mode&S_IXGRP) return true;
if (mode&S_IXOTH) return true;
return false;
}
/*-----------------------------------------------------------------
Load / store user preferences
-------------------------------------------------------------------*/
void load_preferences() {
bool icons_view=false;
int winw, winh;
app_config.load("ede/efiler");
app_config.get("gui","show_hidden",showhidden,false); // Show hidden files
app_config.get("gui","dirs_first",dirsfirst,true); // Directories before ordinary files
app_config.get("gui","ignore_case",ignorecase,true); // Ignore case when sorting
app_config.get("gui","show_location",showlocation,true); // Show location bar
app_config.get("gui","show_tree",showtree,false); // Show directory tree
app_config.get("gui","icons_view",icons_view,false); // Show icons (if false, show details)
app_config.get("gui","window_width",winw,600); // Window dimensions
app_config.get("gui","window_height",winh,400);
// Apply settings
if (winw!=default_window_width || winh!=default_window_height)
win->resize(win->x(),win->y(),winw,winh);
// Location and tree are currently shown - we just need to hide them if neccessary
if (!showlocation) {
showlocation = !showlocation; //locationbar_cb will revert
locationbar_cb(win,0);
update_menu_item(_("&Location bar"),showlocation);
}
if (!showtree) {
showtree = !showtree; // showtree_cb will revert
showtree_cb(win,0);
update_menu_item(_("Directory &tree"),showtree);
}
if (icons_view) iconsview_cb(win,0); else listview_cb(win,0);
update_menu_item(_("&Hidden files"),showhidden);
update_menu_item(_("D&irectories first"),dirsfirst);
}
void save_preferences() {
app_config.set("gui","show_hidden",showhidden); // Show hidden files
app_config.set("gui","dirs_first",dirsfirst); // Directories before ordinary files
app_config.set("gui","ignore_case",ignorecase); // Ignore case when sorting
app_config.set("gui","show_location",showlocation); // Show location bar
app_config.set("gui","show_tree",showtree); // Show directory tree
app_config.set("gui","icons_view",(view->type()==FILE_ICON_VIEW)); // Show icons (if false, show details)
app_config.set("gui","window_width",win->w()); // Window dimensions
app_config.set("gui","window_height",win->h());
app_config.save("ede/efiler");
}
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/*-----------------------------------------------------------------
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Menu definitions
-------------------------------------------------------------------*/
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// Main menu
Fl_Menu_Item main_menu_definition[] = {
{_("&File"), 0, 0, 0, FL_SUBMENU},
{_("&Open"), FL_CTRL+'o', open_cb},
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{_("Open &with..."), 0, openwith_cb, 0,FL_MENU_DIVIDER},
// {_("Open &location"), 0, location_cb, 0,FL_MENU_DIVIDER},
{_("&New window"), FL_CTRL+'n', new_cb, 0,FL_MENU_DIVIDER},
{_("&Quit"), FL_CTRL+'q', quit_cb},
{0},
{_("&Edit"), 0, 0, 0, FL_SUBMENU},
{_("&Cut"), FL_CTRL+'x', cut_cb},
{_("C&opy"), FL_CTRL+'c', copy_cb},
{_("&Paste"), FL_CTRL+'v', paste_cb},
{_("&Rename"), FL_F+2, viewrename_cb},
{_("&Delete"), FL_Delete, delete_cb, 0, FL_MENU_DIVIDER},
{_("Prop&erties"), FL_CTRL+'p', props_cb},
{0},
{_("&View"), 0, 0, 0, FL_SUBMENU},
{_("&Icons"), 0, iconsview_cb, 0, FL_MENU_TOGGLE},
{_("&Detailed list"), 0, listview_cb, 0, FL_MENU_TOGGLE|FL_MENU_VALUE|FL_MENU_DIVIDER},
{_("Directory &tree"), FL_F+9, showtree_cb, 0, FL_MENU_TOGGLE|FL_MENU_VALUE},
{_("&Location bar"), FL_F+10, locationbar_cb, 0, FL_MENU_TOGGLE|FL_MENU_VALUE},
{_("&Hidden files"), 0, showhidden_cb, 0, FL_MENU_TOGGLE|FL_MENU_DIVIDER},
{_("&Refresh"), FL_F+5, refresh_cb},
{_("&Sort"), 0, 0, 0, FL_SUBMENU},
{_("&Case sensitive"), 0, case_cb, 0, FL_MENU_TOGGLE},
{_("D&irectories first"), 0, dirsfirst_cb, 0, FL_MENU_TOGGLE|FL_MENU_VALUE},
{0},
{0},
{_("&Help"), 0, 0, 0, FL_SUBMENU},
{_("&About File Manager"), 0, about_cb}, // coming soon
{_("&About EDE"), 0, aboutede_cb}, // coming soon
{0},
{0}
};
// Update checkbox in main menu
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// (needs to come after the menu definition)
void update_menu_item(const char* label, bool value) {
Fl_Menu_Item *k = main_menu_definition;
while(k!=0 && k+1!=0) {
if (k->label()!=0 && strcmp(k->label(),label)==0) break;
k++;
}
if (k!=0)
if (value) k->set(); else k->clear();
}
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// Context menu - shown on right click in view (see context_cb())
Fl_Menu_Item context_menu_definition[] = {
{_("&Open"), 0, open_cb,},
{_("&View"), 0, open_cb, 0, FL_MENU_INVISIBLE},
{_("&Edit"), 0, fileedit_cb, 0, FL_MENU_INVISIBLE},
{_("Pri&nt"), 0, fileprint_cb, 0, FL_MENU_INVISIBLE},
{_("&Execute"), 0, fileexec_cb, 0, FL_MENU_INVISIBLE},
{_("Open &with..."), 0, openwith_cb, 0, FL_MENU_DIVIDER},
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{_("&Cut"), 0, cut_cb},
{_("Co&py"), 0, copy_cb},
{_("Pa&ste"), 0, paste_cb},
{_("&Delete"), 0, delete_cb, 0, FL_MENU_DIVIDER},
{_("P&roperties..."), 0, props_cb},
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{0}
};
// Right click - show context menu
void context_cb(Fl_Widget*, void*) {
char* path = (char*)view->path(view->get_focus());
mime_resolver.set(path);
int actions = mailcap_actions(mime_resolver.type().c_str());
// Update context menu to show only options relevant to this file type
Fl_Menu_Item *k = context_menu_definition;
while(k->label()!=0) {
if (k->label()!=0 && strcmp(k->label(),_("&Open"))==0)
if (actions&MAILCAP_EDIT) k->hide(); else k->show();
if (k->label()!=0 && (strcmp(k->label(),_("&View"))==0 || strcmp(k->label(),_("&Edit"))==0))
if (actions&MAILCAP_EDIT) k->show(); else k->hide();
if (k->label()!=0 && strcmp(k->label(),_("Pri&nt"))==0)
if (actions&MAILCAP_PRINT) k->show(); else k->hide();
if (k->label()!=0 && strcmp(k->label(),_("&Execute"))==0)
if (file_executable(path)) k->show(); else k->hide();
k++;
}
context_menu->popup();
context_menu->value(-1);
}
/*-----------------------------------------------------------------
main()
-------------------------------------------------------------------*/
// Parser for Fl::args()
int parsecmd(int argc, char**argv, int &index) {
if ((strcmp(argv[index],"-ic")==0) || (strcmp(argv[index],"-icons")==0)) {
edelib::IconTheme::init(argv[++index]);
++index;
return 1;
}
return 0;
}
// Main program
extern int FL_NORMAL_SIZE;
int main (int argc, char **argv) {
// Parse command line - this must come first
int unknown=0;
Fl::args(argc,argv,unknown,parsecmd);
if (unknown==argc)
snprintf(current_dir, FL_PATH_MAX, edelib::dir_home().c_str());
else {
if (strcmp(argv[unknown],"--help")==0) {
printf(_("EFiler - EDE File Manager\nPart of Equinox Desktop Environment (EDE).\nCopyright (c) 2000-2007 EDE Authors.\n\nThis program is licenced under terms of the\nGNU General Public Licence version 2 or newer.\nSee COPYING for details.\n\n"));
printf(_("Usage:\n\tefiler [OPTIONS] [PATH]\n\n"));
printf(_("Options:\n -ic[ons] icon theme\n%s\n"),Fl::help);
return 1;
}
strncpy(current_dir, argv[unknown], strlen(argv[unknown])+1);
}
edelib::DirWatch::init();
edelib::DirWatch::callback(directory_change_cb);
// Let other components know if we have notify
if (edelib::DirWatch::notifier() == edelib::DW_NONE)
notify_available=false;
else
notify_available=true;
FL_NORMAL_SIZE=12;
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//fl_message_font(FL_HELVETICA, 12);
// Main GUI design
win = new EFiler_Window(default_window_width, default_window_height);
win->init(); // new method required by edelib::Window
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win->begin();
main_menu = new Fl_Menu_Bar(0,0,default_window_width,menubar_height);
main_menu->menu(main_menu_definition);
location_bar = new Fl_Group(0, menubar_height, default_window_width, location_bar_height);
location_bar->begin();
location_input = new My_File_Input(70, menubar_height+2, default_window_width-200, location_bar_height-5, _("L&ocation:"));
location_input->align(FL_ALIGN_LEFT);
location_input->callback(location_input_cb);
location_input->when(FL_WHEN_ENTER_KEY_CHANGED);
location_bar->end();
location_bar->box(FL_UP_BOX);
location_bar->resizable(location_input);
tile = new Fl_Tile(0, menubar_height+location_bar_height, default_window_width, default_window_height-menubar_height-location_bar_height-statusbar_height);
tile->begin();
dirtree = new DirTree(0, menubar_height+location_bar_height, default_tree_width, default_window_height-menubar_height-location_bar_height-statusbar_height);
dirtree->when(FL_WHEN_ENTER_KEY_ALWAYS|FL_WHEN_RELEASE_ALWAYS);
dirtree->callback(tree_cb);
view = new FileView(150, menubar_height+location_bar_height, default_window_width-default_tree_width, default_window_height-menubar_height-location_bar_height-statusbar_height);
view->callback(open_cb);
// callbacks for file ops
view->rename_callback(do_rename);
view->paste_callback(do_paste);
view->context_callback(context_cb);
tile->end();
// Status bar group
Fl_Group *sbgroup = new Fl_Group(0, default_window_height-statusbar_height, default_window_width, statusbar_height);
statusbar = new Fl_Box(2, default_window_height-statusbar_height+2, //statusbar_width,
default_window_width-4, statusbar_height-4);
statusbar->box(FL_DOWN_BOX);
statusbar->align(FL_ALIGN_LEFT|FL_ALIGN_INSIDE|FL_ALIGN_CLIP);
statusbar->label(_("EFiler is starting..."));
sbgroup->end();
sbgroup->resizable(statusbar);
context_menu = new Fl_Menu_Button (0,0,0,0);
context_menu->type(Fl_Menu_Button::POPUP3);
context_menu->menu(context_menu_definition);
context_menu->box(FL_NO_BOX);
win->end();
win->resizable(tile);
// win->resizable(view);
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// Set application (window manager) icon
// TODO: use icon from theme (e.g. system-file-manager)
win->window_icon(efiler_xpm); // new method in edelib::Window
// We need to init dirtree before loading anything into it
dirtree->init();
dirtree->show_hidden(showhidden);
dirtree->ignore_case(ignorecase);
ow = new OpenWith();
// Read user preferences
load_preferences();
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//Fl::visual(FL_DOUBLE|FL_INDEX); // see Fl_Double_Window docs
semaphore=false; // semaphore for loaddir
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win->show(argc,argv);
view->take_focus();
loaddir(current_dir);
// Main event loop
Fl::run();
// Cleanup and shutdowns
edelib::DirWatch::shutdown();
save_preferences();
return 0;
}