ede/efiler/OpenWith.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.
*/
// Open with.. dialog window
#include "OpenWith.h"
#include <edelib/IconTheme.h>
#include <edelib/Run.h>
#include <FL/Fl.H>
#include <FL/Fl_Group.H>
#include <FL/Fl_Box.H>
#include <FL/Fl_Input.H>
#include <FL/Fl_Button.H>
#include <FL/Fl_Return_Button.H>
#include <FL/Fl_Shared_Image.H>
#include <FL/Fl_File_Chooser.H>
#include <stdio.h>
#include <stdlib.h> // getenv()
#include <dirent.h>
#include <sys/stat.h>
#include "Util.h"
#include "mailcap.h"
#define DIALOG_WIDTH 410
#define DIALOG_HEIGHT 145
// Callbacks
void openwith_cancel_cb(Fl_Widget*w, void*) {
Fl_Window* win = (Fl_Window*)w->parent();
win->hide();
}
// This function is friend of OpenWith because it needs to access
// _type and _file
void openwith_ok_cb(Fl_Widget*w, void*i) {
Fl_Input* inpt = (Fl_Input*)i;
OpenWith* win = (OpenWith*)w->parent();
// Handle Always use... button
if (win->always_use->value() == 1) {
mailcap_add_type(win->_type, inpt->value());
}
// Run program
int k = edelib::run_program(tsprintf("%s '%s'", inpt->value(), win->_file), /*wait=*/false);
win->hide();
}
void openwith_browse_cb(Fl_Widget*w, void*i) {
Fl_Input* inpt = (Fl_Input*)i;
char *file = fl_file_chooser(_("Choose program"),0,0);
inpt->value(file);
}
// Callback that handles "autocomplete" in the openwith dialog
void program_input_cb(Fl_Widget*w, void*p) {
edelib::list<edelib::String>* progs = (edelib::list<edelib::String>*)p;
Fl_Input *inpt = (Fl_Input*)w;
Fl_Window *win = (Fl_Window*)w->parent();
if (Fl::event()==FL_KEYDOWN && Fl::event_key()!=FL_BackSpace && Fl::event_key()!=FL_Delete) {
const char* loc = inpt->value(); // shortcut
if (strlen(loc)<1 || loc[strlen(loc)-1]=='/') return;
uint pos = inpt->position();
if (pos!=strlen(loc)) return; // cursor in the middle
int mark = inpt->mark();
if (Fl::event_key()==FL_Enter) {
inpt->mark(pos);
// Move focus to Ok button
win->child(3)->take_focus();
return;
}
edelib::list<edelib::String>::iterator it1, it2;
it1 = progs->begin();
it2 = progs->end();
while (it1 != it2) {
if (strncmp(loc, (*it1).c_str(), strlen(loc))==0) break;
++it1;
}
if (it1==it2) return;
inpt->replace(pos, mark, (*it1).c_str()+pos);
inpt->position(pos);
inpt->mark(strlen((*it1).c_str()));
}
}
// OpenWith constructor
// Also initializes various internal arrays
OpenWith::OpenWith() : edelib::Window(DIALOG_WIDTH, DIALOG_HEIGHT, _("Choose program")), _file(0) {
set_modal();
edelib::list<edelib::String>::iterator it1, it2;
dirent **files;
struct stat buf;
char pn[FL_PATH_MAX];
Fl_Group *gr;
Fl_Box *img;
Fl_Image* i;
Fl_Button *but1, *but2, *but3;
// Window design
begin();
img = new Fl_Box(10, 10, 60, 55); // icon
// informative text
txt = new Fl_Box(75, 10, w()-85, 25);
txt->align(FL_ALIGN_INSIDE | FL_ALIGN_LEFT | FL_ALIGN_WRAP);
// input for program name
inpt = new Fl_Input(75, 45, w()-175, 25);
inpt->when(FL_WHEN_ENTER_KEY_CHANGED);
inpt->callback(program_input_cb, &programs);
// Ok & Cancel buttons
but1 = new Fl_Return_Button(w()-200, 115, 90, 25, "&Ok");
but2 = new Fl_Button(w()-100, 115, 90, 25, "&Cancel");
but1->callback(openwith_ok_cb,inpt);
but2->callback(openwith_cancel_cb);
// Browse button
but3 = new Fl_Button(w()-90, 45, 80, 25, "&Browse...");
but3->callback(openwith_browse_cb,inpt);
// Always use this program...
always_use = new Fl_Check_Button(75, 80, w()-85, 20);
always_use->align(FL_ALIGN_INSIDE | FL_ALIGN_LEFT | FL_ALIGN_TOP | FL_ALIGN_WRAP);
end();
// Set icon
if(edelib::IconTheme::inited()) {
i = Fl_Shared_Image::get(edelib::IconTheme::get("dialog-question", edelib::ICON_SIZE_MEDIUM).c_str());
if(!i) return;
img->image(i);
}
// -- Find all executables in $PATH and add them to programs list
// Split $PATH at ':' character
char* path = strdup(getenv("PATH")); // original would get destroyed
char *pathpart = strtok(path, ":");
while (pathpart) {
// Get list of files in pathpart
int size = scandir(pathpart, &files, 0, alphasort);
for (int i=0; i<size; i++) {
// Attach filename to directory to get full path
char *n = files[i]->d_name;
snprintf (pn,FL_PATH_MAX-1,"%s/%s",pathpart,n);
if (stat(pn,&buf)) continue; // some kind of error
// Skip all directories and non-executables
if (!S_ISDIR(buf.st_mode) && (buf.st_mode&S_IXOTH)) {
edelib::String name(n);
it1=programs.begin(); it2=programs.end();
bool exists=false;
while (it1 != it2) {
if (*it1==name) { exists=true;break;}
++it1;
}
if (!exists) programs.push_back(n);
}
Fl::check();
}
pathpart=strtok(NULL, ":");
Fl::check();
}
free(path);
programs.sort();
}
void OpenWith::show(const char* pfile, const char* ptype, const char* pcomment) {
_file=pfile;
_type=ptype;
// Clear input box
inpt->value("");
// Set textual description
txt->copy_label(tsprintf(_("Enter the name of application used to open file \"%s\":"),fl_filename_name(pfile)));
// Set "always use" label
always_use->copy_label(tsprintf(_("Always use this program for opening files of type \"%s\""), pcomment));
edelib::Window::show();
}