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/** \file filesel.c
* Create and handle file selectors
*/
/* XTrkCad - Model Railroad CAD
* Copyright (C) 2005 Dave Bullis
*
* This program is free software; you can redistribute it and/or modify
* it under the terms of the GNU General Public License as published by
* the Free Software Foundation; either version 2 of the License, or
* (at your option) any later version.
*
* This program 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 General Public License for more details.
*
* You should have received a copy of the GNU General Public License
* along with this program; if not, write to the Free Software
* Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA.
*/
#include <stdio.h>
#include <stdlib.h>
#ifdef HAVE_MALLOC_H
#include <malloc.h>
#endif
#include <unistd.h>
#include <string.h>
#include "gtkint.h"
#include "i18n.h"
struct wFilSel_t {
GtkWidget * window;
wFilSelCallBack_p action;
void * data;
int pattCount;
GtkFileFilter *filter[ 10 ];
wFilSelMode_e mode;
int opt;
const char * title;
wWin_p parent;
};
/**
* Create a new file selector. Only the internal data structures are
* set up, no dialog is created.
*
* \param w IN parent window
* \param mode IN ?
* \param opt IN ?
* \param title IN dialog title
* \param pattList IN list of selection patterns
* \param action IN callback
* \param data IN ?
* \return the newly created file selector structure
*/
struct wFilSel_t * wFilSelCreate(
wWin_p w,
wFilSelMode_e mode,
int opt,
const char * title,
const char * pattList,
wFilSelCallBack_p action,
void * data )
{
struct wFilSel_t *fs;
int count;
char * cp;
GtkFileFilter *filter;
fs = (struct wFilSel_t*)malloc(sizeof *fs);
if (!fs)
return NULL;
fs->parent = w;
fs->window = 0;
fs->mode = mode;
fs->opt = opt;
fs->title = strdup( title );
fs->action = action;
fs->data = data;
if (pattList) {
//create filters for the passed filter list
cp = strdup(pattList);
count = 0;
// names and patterns are separated by |
cp = strtok( cp, "|" );
while ( cp && count < 9 ) {
fs->filter[ count ] = gtk_file_filter_new ();
gtk_file_filter_set_name ( fs->filter[ count ], cp );
cp = strtok( NULL, "|" );
gtk_file_filter_add_pattern (fs->filter[ count ], cp );
cp = strtok( NULL, "|" );
count++;
}
// finally add the all files pattern
fs->filter[ count ] = gtk_file_filter_new ();
gtk_file_filter_set_name( fs->filter[ count ], _("All files") );
gtk_file_filter_add_pattern( fs->filter[ count ], "*" );
fs->pattCount = count++;
} else {
fs->filter[ 0 ] = NULL;
fs->pattCount = 0;
}
return fs;
}
/**
* Show and handle the file selection dialog.
*
* \param fs IN file selection
* \param dirName IN starting directory
* \return always TRUE
*/
int wFilSelect( struct wFilSel_t * fs, const char * dirName )
{
char name[1024];
char *fileName;
const char *base;
int i;
char * cp;
if (fs->window == NULL) {
fs->window = gtk_file_chooser_dialog_new( fs->title,
GTK_WINDOW( fs->parent->gtkwin ),
(fs->mode == FS_LOAD ? GTK_FILE_CHOOSER_ACTION_OPEN : GTK_FILE_CHOOSER_ACTION_SAVE ),
GTK_STOCK_CANCEL, GTK_RESPONSE_CANCEL,
(fs->mode == FS_LOAD ? GTK_STOCK_OPEN : GTK_STOCK_SAVE ), GTK_RESPONSE_ACCEPT,
NULL );
if (fs->window==0) abort();
// get confirmation before overwritting an existing file
gtk_file_chooser_set_do_overwrite_confirmation( GTK_FILE_CHOOSER(fs->window), TRUE );
// add the file filters to the dialog box
if( fs->pattCount ) {
for( i = 0; i <= fs->pattCount; i++ ) {
gtk_file_chooser_add_filter( GTK_FILE_CHOOSER( fs->window ), fs->filter[ i ] );
}
}
/** \todo for loading a shortcut folder could be added linking to the example directory */
}
strcpy( name, dirName );
cp = name+strlen(name);
if (cp[-1] != '/') {
*cp++ = '/';
*cp = 0;
}
if( fs->mode == FS_SAVE )
gtk_file_chooser_set_current_name( GTK_FILE_CHOOSER(fs->window), name );
if( gtk_dialog_run( GTK_DIALOG( fs->window )) == GTK_RESPONSE_ACCEPT ) {
fileName = gtk_file_chooser_get_filename( GTK_FILE_CHOOSER(fs->window) );
if (fs->data)
strcpy( fs->data, fileName );
if (fs->action) {
base = strrchr( fileName, '/' );
if (base==0) {
fprintf(stderr,"no / in %s\n", fileName );
return 1;
}
fs->action( fileName, base+1, fs->data );
}
}
gtk_widget_hide( GTK_WIDGET( fs->window ));
return 1;
}
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