ede/efiler/EDE_FileBrowser.cpp

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//
// "$Id: FileBrowser.cxx 5071 2006-05-02 21:57:08Z fabien $"
//
// FileBrowser routines.
//
// Copyright 1999-2006 by Michael Sweet.
//
// This library is free software; you can redistribute it and/or
// modify it under the terms of the GNU Library General Public
// License as published by the Free Software Foundation; either
// version 2 of the License, or (at your option) any later version.
//
// This library is distributed in the hope that it will be useful,
// but WITHOUT ANY WARRANTY; without even the implied warranty of
// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
// Library General Public License for more details.
//
// You should have received a copy of the GNU Library General Public
// License along with this library; if not, write to the Free Software
// Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307
// USA.
//
// Please report all bugs and problems on the following page:
//
// http://www.fltk.org/str.php
//
// Contents:
//
// FileBrowser::full_height() - Return the height of the list.
// FileBrowser::item_height() - Return the height of a list item.
// FileBrowser::item_width() - Return the width of a list item.
// FileBrowser::item_draw() - Draw a list item.
// FileBrowser::FileBrowser() - Create a FileBrowser widget.
// FileBrowser::load() - Load a directory into the browser.
// FileBrowser::filter() - Set the filename filter.
//
//
// Include necessary header files...
//
#include "EDE_FileBrowser.h"
#include <fltk/Browser.h>
#include <fltk/Item.h>
#include <fltk/draw.h>
#include <fltk/Color.h>
#include <fltk/Flags.h>
#include <fltk/Font.h>
#include <fltk/string.h>
#include <stdio.h>
#include <stdlib.h>
#include <string.h>
#ifdef __CYGWIN__
# include <mntent.h>
#elif defined(WIN32)
# include <windows.h>
# include <direct.h>
// Apparently Borland C++ defines DIRECTORY in <direct.h>, which
// interfers with the FileIcon enumeration of the same name.
# ifdef DIRECTORY
# undef DIRECTORY
# endif // DIRECTORY
#endif // __CYGWIN__
#ifdef __EMX__
# define INCL_DOS
# define INCL_DOSMISC
# include <os2.h>
#endif // __EMX__
// CodeWarrior (__MWERKS__) gets its include paths confused, so we
// temporarily disable this...
#if defined(__APPLE__) && !defined(__MWERKS__)
# include <sys/param.h>
# include <sys/ucred.h>
# include <sys/mount.h>
#endif // __APPLE__ && !__MWERKS__
#include "../edelib2/Icon.h"
#include "../edelib2/Util.h"
#include "../edelib2/MimeType.h"
#include "../edelib2/NLS.h"
#define DEFAULT_ICON "misc-vedran"
#define FOLDER_ICON "folder"
#define UPDIR_ICON "undo"
#include <fltk/run.h>
#include <fltk/Input.h>
#include <fltk/events.h>
#include <fltk/ask.h>
#include <errno.h>
using namespace fltk;
using namespace edelib;
// Event handler for EditBox
int EditBox::handle(int event) {
if (!this->visible()) return parent()->handle(event);
bool above=false;
//fprintf(stderr,"Editbox event: %d (%s)\n",event,event_name(event));
// Change filename
if (event==KEY && (event_key()==ReturnKey || event_key()==KeypadEnter)) {
// split old filename to path and file
char path[PATH_MAX], file[PATH_MAX];
strcpy(path, (char*)editing_->user_data());
if (path[strlen(path)-1] == '/') path[strlen(path)-1]='\0';
char *p = strrchr(path,'/');
if (p==0 || *p=='\0') {
strcpy(file,path);
path[0]='\0';
} else { // usual case
p++;
strcpy(file,p);
*p='\0';
}
if (strlen(file)!=strlen(text()) || strcmp(file,text())!=0) {
// Create new filename
strncat(path, text(), PATH_MAX-strlen(path));
char oldname[PATH_MAX];
strcpy(oldname, (char*)editing_->user_data());
if (rename(oldname, path) == -1) {
alert(tsprintf(_("Could not rename file! Error was:\n\t%s"), strerror(errno)));
} else {
// Update browser
free(editing_->user_data());
editing_->user_data(strdup(path));
const char* l = editing_->label();
editing_->label(tasprintf("%s%s",text(),strchr(l, '\t')));
}
}
above=true;
}
// Hide editbox
if (above || ( event==KEY && event_key()==EscapeKey ) ) {
this->hide();
return 1;
}
Input::handle(event);
}
// We override hide method to ensure certain things done
void EditBox::hide() {
Input::hide();
// Remove box so it doesn't get in the way
this->x(0);
this->y(0);
this->w(0);
this->h(0);
// Return the browser item into "visible" state
if (editing_) {
editing_->textcolor(textcolor());
editing_->redraw();
parent()->take_focus();
}
}
// Column widths and titles
// TODO: make more configurable
const char *labels[] = {_("Name"),_("Type"),_("Size"),_("Date"),0};
int widths[] = {200, 150, 100, 150, 0};
//
// 'FileBrowser::FileBrowser()' - Create a FileBrowser widget.
//
FileBrowser::FileBrowser(int X, // I - Upper-lefthand X coordinate
int Y, // I - Upper-lefthand Y coordinate
int W, // I - Width in pixels
int H, // I - Height in pixels
const char *l) // I - Label text
: Browser(X, Y, W, H, l) {
// Initialize the filter pattern, current directory, and icon size...
pattern_ = "*";
directory_ = "";
//icon_size_ = 12.0f;
filetype_ = BOTH;
show_hidden_ = false;
show_dotdot_ = true;
column_labels(labels);
column_widths(widths);
// Editbox
editbox_ = new EditBox (0, 0, 0, 0);
editbox_->box(BORDER_FRAME);
editbox_->parent(this);
editbox_->hide();
}
//
// 'FileBrowser::load()' - Load a directory into the browser.
//
int // O - Number of files loaded
FileBrowser::load(const char *directory,// I - Directory to load
File_Sort_F *sort) // I - Sort function to use
{
int i; // Looping var
int num_files; // Number of files in directory
int num_dirs; // Number of directories in list
char filename[PATH_MAX]; // Current file
//FileIcon *icon; // Icon to use
// printf("FileBrowser::load(\"%s\")\n", directory);
if (!directory)
return (0);
clear();
directory_ = directory;
if (directory_[0] == '\0')
{
//
// No directory specified; for UNIX list all mount points. For DOS
// list all valid drive letters...
//
// TODO!
fprintf (stderr, "Drive list not implemented yet");
return 0;
}
// Scan directory and store list in **files
dirent **files;
num_files = fltk::filename_list(directory_, &files, sort);
if (num_files <= 0) return (0);
// Allocate array for icons
Item** icon_array = (Item**) malloc (sizeof(Item*) * num_files + 1);
// fill array with zeros, for easier detection if item exists
for (i=0; i<num_files; i++) icon_array[i]=0;
// Show the up directory - "../"
num_dirs = 0;
if (show_dotdot_ && strcmp(directory_,"/") != 0) {
num_dirs++;
Item* o = new Item ( Icon::get ( UPDIR_ICON, Icon::TINY ), "..\tGo up" );
Menu::add(*o);
snprintf(filename, PATH_MAX, "%s../", directory_);
o->user_data(strdup(filename));
}
// Main loop for populating browser
for (i = 0; i < num_files; i ++) {
if (strcmp(files[i]->d_name, "./")==0)
continue;
char *n = files[i]->d_name; // shorter
snprintf(filename, PATH_MAX, "%s%s", directory_, n);
if (strcmp(n, ".")==0 || strcmp(n, "./")==0 || (!show_hidden_ && (n[0]=='.' || n[strlen(n)-1]=='~') ) )
continue;
fltk::check(); //update interface
// Add directory
if (filetype_ != FILES && fltk::filename_isdir(filename)) {
num_dirs ++;
// strip slash from filename
char *fn = strdup(n);
if (fn[strlen(fn)-1] == '/')
fn[strlen(fn)-1] = '\0';
Item* o = new Item ( Icon::get ( FOLDER_ICON,Icon::TINY ), fn);
Menu::insert(*o, num_dirs-1);
o->user_data(strdup(filename)); // we keep full path for callback
icon_array[i]=o;
// Add file
} else if (filetype_ != DIRECTORIES && fltk::filename_match(n, pattern_)) {
Item* o = new Item(Icon::get(DEFAULT_ICON,Icon::TINY), strdup(n));
Menu::add(*o);
o->user_data(strdup(filename)); // we keep full path for callback
icon_array[i]=o;
}
} // end for
this->redraw();
//
// Detect icon mimetypes etc.
//
MimeType *m = new MimeType();
for (i=0; i<num_files; i++) {
// ignored files
if (!icon_array[i]) continue;
fltk::check(); // update interface
// get mime data
snprintf (filename,4095,"%s%s",directory_,files[i]->d_name);
m->set(filename);
// change label to complete data in various tabs
char *label;
if (strncmp(m->id(),"directory",9)==0) {
// Strip slash from filename
char *n = strdup(files[i]->d_name);
n[strlen(n)-1] = '\0';
asprintf(&label, "%s\t%s\t\t%s", n, m->type_string(), nice_time(filename_mtime(filename)));
free(n);
} else
asprintf(&label, "%s\t%s\t%s\t%s", files[i]->d_name, m->type_string(), nice_size(filename_size(filename)), nice_time(filename_mtime(filename)));
icon_array[i]->label(label);
// icon
icon_array[i]->image(m->icon(Icon::TINY));
icon_array[i]->redraw();
free(files[i]);
}
delete m;
free(files);
return (num_files);
}
//
// 'FileBrowser::filter()' - Set the filename filter.
//
// I - Pattern string
void FileBrowser::filter(const char *pattern) {
// If pattern is NULL set the pattern to "*"...
if (pattern) pattern_ = pattern;
else pattern_ = "*";
}
// We override the fltk standard event handling to detect when
// user is clicking on already selected item and show filename editbox
int FileBrowser::handle(int event) {
const int iconspace=20;
// Handle all events in editbox
if (editbox_->visible()) {
if (event == PUSH && !event_inside(Rectangle(editbox_->x(), editbox_->y(), editbox_->w(), editbox_->h())))
editbox_->hide();
else
return editbox_->handle(event);
}
if (event==PUSH && !event_clicks() &&
// Don't accept clicks outside first column:
event_x()<widths[0])
for(int i=0; i<children()-1; i++)
if (event_y()>child(i)->y() &&
// Handle last child
(i==children()-1 || event_y()<child(i+1)->y()) &&
child(i)->flags()&SELECTED &&
// Make sure only one item is selected:
child(i)==item() &&
// Can't rename "up directory"
strcmp(child(i)->label(),"../") != 0) {
// "hide" item
editbox_->textcolor(child(i)->textcolor());
child(i)->textcolor(child(i)->color());
child(i)->throw_focus();
// deselect all
set_item_selected(false);
//deselect();
// Show editbox at item coordinates
editbox_->x(this->x()+child(i)->x()+iconspace);
editbox_->y(child(i)->y());
editbox_->w(150);
editbox_->h(20);
editbox_->show();
// Copy last part of path to editbox
char*p = strdup((char*)child(i)->user_data());
if (p[strlen(p)-1] == '/') p[strlen(p)-1]='\0';
char*q = strrchr(p,'/');
if (q!=0)
editbox_->text(q+1);
else
editbox_->text(p);
free(p);
/*char*p = strdup((char*)this->user_data());
editbox_->text(filename_name(p));*/
editbox_->take_focus();
editbox_->editing(child(i));
return 0;
}
return Browser::handle(event);
}
//
// End of "$Id: FileBrowser.cxx 5071 2006-05-02 21:57:08Z fabien $".
//