ede/efiler/efiler.cpp

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/*
* $Id$
*
* EFiler - EDE File Manager
* Part of Equinox Desktop Environment (EDE).
* Copyright (c) 2000-2006 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
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#include <Fl/Fl.H>
#include <Fl/Fl_Double_Window.H>
#include <Fl/Fl_Menu_Bar.H>
#include <Fl/Fl_File_Chooser.H> // for fl_dir_chooser, used in "Open location"
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#include <Fl/filename.H>
#include <Fl/fl_ask.H>
#include <Fl/fl_ask.H>
#include <Fl/Fl_File_Input.H> // location bar
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#include <edelib/Nls.h>
#include <edelib/MimeType.h>
#include <edelib/String.h>
#include <edelib/StrUtil.h>
#include <edelib/Run.h>
#include "EDE_FileView.h" // our file view widget
#include "EDE_DirTree.h" // directory tree
#include "Util.h" // ex-edelib
#include "fileops.h" // file operations
#include "filesystem.h" // filesystem support
Fl_Window* win;
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FileDetailsView* 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;
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;
// 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;
int default_tree_width=150;
/*-----------------------------------------------------------------
"Simple opener" - keep a list of openers in text file
This is just a temporary fix so that efiler works atm.
-------------------------------------------------------------------*/
// These variables are global to save time on construction/destruction
edelib::MimeType mime_resolver;
struct stat stat_buffer;
struct sopeners {
char* type;
char* opener;
sopeners* next;
} *openers=0;
char *simpleopener(const char* mimetype) {
sopeners* p;
if (!openers) {
FILE* fp = fopen("openers.txt","r");
if (!fp) { fl_alert(_("File openers.txt not found")); return 0; }
char buf[FL_PATH_MAX*2];
while (!feof(fp)) {
fgets((char*)&buf, FL_PATH_MAX*2, fp);
if (buf[0]=='\0' || buf[1]=='\0' || buf[0]=='#') continue;
buf[strlen(buf)-1]='\0';
char *tmp = strstr(buf, "||");
if (!tmp) continue; // malformatted opener
*tmp = '\0';
sopeners* q = new sopeners;
q->type=strdup(buf);
q->opener=strdup(tmp+2);
//fprintf (stderr, "Found type: '%s' opener: '%s'\n",q->type,q->opener);
q->next=0;
if (!openers) openers=q;
else p->next = q;
p=q;
}
fclose(fp);
}
p=openers;
char *result=0; int topscore=0;
while (p != 0) {
int score=strlen(p->type);
if (strncmp(p->type,mimetype,score)==0 && score>topscore) {
topscore=score;
result=p->opener;
}
p=p->next;
}
return result;
}
/*-----------------------------------------------------------------
LoadDir()
-------------------------------------------------------------------*/
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// modification of versionsort which ignores case
int myversionsort(const void *a, const void *b) {
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);
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int k = strverscmp(ma,mb);
free(ma); free(mb);
return k;
}
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
// Set current_dir
// fl_filename_isdir() thinks that / isn't a dir :(
if (strcmp(path,"/")==0 || fl_filename_isdir(path)) {
if (path[0] == '~') // Expand tilde
snprintf(current_dir,PATH_MAX,"%s/%s",getenv("HOME"),path+1);
else
if (path!=current_dir) strcpy(current_dir,path);
} else
strcpy(current_dir,getenv("HOME"));
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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 (..)
if (char *tmp = strstr(current_dir,"/../")) {
char *tmp2 = tmp+4;
tmp--;
while (tmp != current_dir && *tmp != '/') tmp--;
tmp++;
while (*tmp2 != '\0') *tmp++ = *tmp2++;
*tmp='\0';
}
// Update directory tree
dirtree->set_current(current_dir);
location_input->value(current_dir);
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// variables used later
int size=0;
dirent **files;
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// List all files in directory
if (ignorecase)
size = scandir(current_dir, &files, 0, myversionsort);
else
size = scandir(current_dir, &files, 0, versionsort);
if (size<1) { // there should always be . and ..
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fl_alert(_("Permission denied!"));
strncpy(current_dir,old_dir,strlen(current_dir));
semaphore=false;
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return;
}
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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"), current_dir));
statusbar->copy_label(tsprintf(_("Scanning directory %s..."), current_dir));
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view->clear();
fprintf(stderr, "Size: %d\n", size);
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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;
// hide files ending with tilde (backup) - NOTE
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 (stat(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 = ""; // todo
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if (strcmp(n,"..")==0) {
item->icon = "undo";
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 = "unknown";
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;
fprintf (stderr, "ICON: %s !!!!!\n", icon.c_str());
view->update(item_list[i]);
}
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Fl::check();
}
}
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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!"));
}
/*-----------------------------------------------------------------
Main menu callbacks
-------------------------------------------------------------------*/
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// Open callback
void open_cb(Fl_Widget*w, void*data) {
fprintf (stderr,"cb\n");
if (Fl::event_clicks() || Fl::event_key() == FL_Enter || w==main_menu || w==context_menu) {
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fprintf (stderr,"enter\n");
//if (Fl::event_clicks()) fprintf(stderr, "clicks\n");
//if (Fl::event_key()==FL_Enter) fprintf(stderr, "ekey\n");
static timeval tm = {0,0};
timeval newtm;
gettimeofday(&newtm,0);
if (newtm.tv_sec - tm.tv_sec < 1 || (newtm.tv_sec-tm.tv_sec==1 && newtm.tv_usec<tm.tv_usec)) return; // no calling within 1 second
tm=newtm;
if (view->get_focus()==0) return; // This can happen while efiler is loading
char* path = (char*)view->path(view->get_focus());
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fprintf(stderr, "Path: %s (ev %d)\n",path,Fl::event());
if (stat(path,&stat_buffer)) return; // error
if (S_ISDIR(stat_buffer.st_mode)) { // directory
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loaddir(path);
return;
}
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// Call opener
mime_resolver.set(path);
char* opener = simpleopener(mime_resolver.type().c_str());
// dump core
struct rlimit *rlim = (struct rlimit*)malloc(sizeof(struct rlimit));
getrlimit (RLIMIT_CORE, rlim);
rlim_t 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 (opener) {
int k=edelib::run_program(o2,false); fprintf(stderr, "retval: %d\n", k);
} else
statusbar->copy_label(tsprintf(_("No program to open %s!"), fl_filename_name(view->path(view->get_focus()))));
rlim->rlim_cur = old_rlimit;
setrlimit (RLIMIT_CORE, rlim);
free(rlim);
}
} // open_cb
void location_cb(Fl_Widget*, void*) {
const char *dir = fl_dir_chooser(_("Choose location"),current_dir);
if (dir) loaddir(dir);
}
void new_cb(Fl_Widget*, void*) { edelib::run_program(tsprintf("efiler %s",current_dir),false); }
void quit_cb(Fl_Widget*, void*) {exit(0);}
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(); }
void showtree_cb(Fl_Widget*, void*) {
showtree = !showtree;
if (!showtree) {
tree_width = dirtree->w();
tile->position(default_tree_width, 1, 1, 1); // NOTE!
fprintf(stderr, "Hide tree: %d\n", tree_width);
// showtree->clear();
} else {
int currentw = dirtree->w();
tile->position(currentw, 1, tree_width, 1);
fprintf(stderr, "Show tree: %d %d\n", currentw, tree_width);
// showtree->set();
}
}
void refresh_cb(Fl_Widget*, void*) {
loaddir(current_dir);
// TODO: reload directory tree as well-
}
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->redraw();
} else {
location_bar->hide();
// location_bar->resize(0, menubar_height, win->w(), 0);
tile->resize(0, menubar_height, win->w(), win->h()-menubar_height-statusbar_height);
win->redraw();
}
}
void showhidden_cb(Fl_Widget*, void*) {
showhidden=!showhidden;
dirtree->show_hidden(showhidden);
dirtree->reload();
loaddir(current_dir);
}
void case_cb(Fl_Widget*, void*) {
ignorecase=!ignorecase;
dirtree->ignore_case(ignorecase);
dirtree->reload();
loaddir(current_dir);
}
void dirsfirst_cb(Fl_Widget*, void*) { dirsfirst=!dirsfirst; loaddir(current_dir); }
// dummy callbacks
void ow_cb(Fl_Widget*, void*) { fprintf(stderr, "callback\n"); } // make a list of openers
void pref_cb(Fl_Widget*, void*) { fprintf(stderr, "callback\n"); }
void iconsview_cb(Fl_Widget*, void*) { fprintf(stderr, "callback\n"); }
void listview_cb(Fl_Widget*, void*) { fprintf(stderr, "callback\n"); }
void about_cb(Fl_Widget*, void*) { fprintf(stderr, "callback\n"); }
void aboutede_cb(Fl_Widget*, void*) { fprintf(stderr, "callback\n"); }
// Directory tree callback
void tree_cb(Fl_Widget*, void*) {
if (Fl::event_clicks() || Fl::event_key() == FL_Enter) {
int selected = dirtree->get_focus();
loaddir((char*)dirtree->data(selected));
}
}
// User entered a location
void location_input_cb(Fl_Widget*, void*) { loaddir(location_input->value()); }
Fl_Menu_Item context_menu_definition[] = {
{_("&Open"), 0, open_cb},
{_("Open &with..."), 0, ow_cb, 0,FL_MENU_DIVIDER},
{_("&Cut"), 0, cut_cb},
{_("Co&py"), 0, copy_cb},
{_("Pa&ste"), 0, paste_cb},
{_("&Delete"), 0, delete_cb, 0,FL_MENU_DIVIDER},
{_("P&references..."), 0, pref_cb},
{0}
};
// Right click - show context menu
void context_cb(Fl_Widget*, void*) {
// context_menu->position(Fl::event_x_root(),Fl::event_y_root());
context_menu->popup();
context_menu->value(-1);
}
/*-----------------------------------------------------------------
GUI design
-------------------------------------------------------------------*/
// Main window menu - definition
Fl_Menu_Item main_menu_definition[] = {
{_("&File"), 0, 0, 0, FL_SUBMENU},
{_("&Open"), FL_CTRL+'o', open_cb},
{_("Open &with..."), 0, ow_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, 0}, // no callback - view handles this
{_("&Delete"), FL_Delete, delete_cb, 0, FL_MENU_DIVIDER},
{_("Pre&ferences"), FL_CTRL+'p', pref_cb},
{0},
{_("&View"), 0, 0, 0, FL_SUBMENU},
{_("&Icons"), FL_F+8, iconsview_cb, 0, FL_MENU_RADIO}, // coming soon
{_("&Detailed list"), FL_F+8, listview_cb, 0, FL_MENU_RADIO|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},
{_("&Show hidden"), 0, showhidden_cb, 0, FL_MENU_TOGGLE|FL_MENU_DIVIDER},
{_("&Refresh"), FL_F+5, refresh_cb},
{_("S&ort"), 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}
};
// Main program
int main (int argc, char **argv) {
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fl_register_images();
edelib::IconTheme::init("crystalsvg");
win = new Fl_Double_Window(default_window_width, default_window_height);
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// win->color(FL_WHITE);
win->begin();
main_menu = new Fl_Menu_Bar(0,0,default_window_width,menubar_height);
main_menu->menu(main_menu_definition);
main_menu->textsize(12); // hack for label size
location_bar = new Fl_Group(0, menubar_height, default_window_width, location_bar_height);
location_bar->begin();
location_input = new Fl_File_Input(70, menubar_height+2, default_window_width-200, location_bar_height-5, _("Location:"));
location_input->labelsize(12); // hack for label size
location_input->textsize(12); // hack for label size
location_input->align(FL_ALIGN_LEFT);
location_input->callback(location_input_cb);
location_bar->end();
location_bar->box(FL_UP_BOX); // hack for label size
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->textsize(12); // hack for label size
dirtree->callback(tree_cb);
view = new FileDetailsView(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);
// callback for renaming
view->rename_callback(do_rename);
view->paste_callback(do_paste);
view->context_callback(context_cb);
tile->end();
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, statusbar_height-4);
statusbar->box(FL_DOWN_BOX);
statusbar->labelsize(12); // hack for label size
statusbar->align(FL_ALIGN_LEFT|FL_ALIGN_INSIDE|FL_ALIGN_CLIP);
statusbar->label(_("Ready."));
Fl_Box* filler = new Fl_Box(statusbar_width+2, default_window_height-statusbar_height+2, default_window_width-statusbar_width, statusbar_height-4);
sbgroup->end();
sbgroup->resizable(filler);
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->textsize(12); // hack for label size
context_menu->box(FL_NO_BOX);
win->end();
win->resizable(tile);
// win->resizable(view);
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// win->icon(Icon::get("folder",Icon::TINY));
win->show(argc,argv);
view->take_focus();
// Yet another hack for label size....
fl_message_font(FL_HELVETICA, 12);
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// TODO remember previous configuration
showhidden=false; dirsfirst=true; ignorecase=true; semaphore=false; showtree=true; showlocation=true;
tree_width = default_tree_width;
dirtree->init();
if (argc==1) // No params
loaddir ("");
else
loaddir (argv[1]);
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return Fl::run();
}