/*
|
* Copyright (c) 2004, Swedish Institute of Computer Science.
|
* All rights reserved.
|
*
|
* Redistribution and use in source and binary forms, with or without
|
* modification, are permitted provided that the following conditions
|
* are met:
|
* 1. Redistributions of source code must retain the above copyright
|
* notice, this list of conditions and the following disclaimer.
|
* 2. Redistributions in binary form must reproduce the above copyright
|
* notice, this list of conditions and the following disclaimer in the
|
* documentation and/or other materials provided with the distribution.
|
* 3. Neither the name of the Institute nor the names of its contributors
|
* may be used to endorse or promote products derived from this software
|
* without specific prior written permission.
|
*
|
* THIS SOFTWARE IS PROVIDED BY THE INSTITUTE AND CONTRIBUTORS ``AS IS'' AND
|
* ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
|
* IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
|
* ARE DISCLAIMED. IN NO EVENT SHALL THE INSTITUTE OR CONTRIBUTORS BE LIABLE
|
* FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
|
* DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
|
* OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
|
* HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
|
* LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
|
* OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
|
* SUCH DAMAGE.
|
*
|
* This file is part of the Contiki operating system.
|
*
|
* Author: Adam Dunkels <adam@sics.se>
|
*
|
*/
|
|
#include "contiki.h"
|
#include "lib/ctk-filedialog.h"
|
#include "ctk/ctk.h"
|
#include "cfs/cfs.h"
|
|
#include <string.h>
|
|
#define MAX_NUMFILES 40
|
#define FILES_WIDTH 17
|
#if FILES_CONF_HEIGHT
|
#define FILES_HEIGHT FILES_CONF_HEIGHT
|
#else
|
#define FILES_HEIGHT 14
|
#endif
|
|
static struct ctk_window dialog;
|
static char leftptr[FILES_HEIGHT];
|
static struct ctk_label leftptrlabel =
|
{CTK_LABEL(0, 1, 1, FILES_HEIGHT, leftptr)};
|
|
static char files[FILES_WIDTH * MAX_NUMFILES];
|
static struct ctk_label fileslabel =
|
{CTK_LABEL(1, 1,
|
FILES_WIDTH, FILES_HEIGHT, files)};
|
|
static char rightptr[FILES_HEIGHT];
|
static struct ctk_label rightptrlabel =
|
{CTK_LABEL(1 + FILES_WIDTH, 1, 1, FILES_HEIGHT, rightptr)};
|
|
static char filename[FILES_WIDTH + 1];
|
static struct ctk_textentry filenameentry =
|
{CTK_TEXTENTRY(1, 2 + FILES_HEIGHT, FILES_WIDTH, 1, filename,
|
FILES_WIDTH)};
|
|
static struct ctk_button button;
|
|
#define STATE_CLOSED 0
|
#define STATE_OPEN 1
|
static char state = STATE_CLOSED;
|
static unsigned char fileptr, dirfileptr;
|
static struct cfs_dir dir;
|
/*---------------------------------------------------------------------------*/
|
static void
|
clearptr(void)
|
{
|
leftptr[fileptr] = ' ';
|
rightptr[fileptr] = ' ';
|
}
|
/*---------------------------------------------------------------------------*/
|
static void
|
showptr(void)
|
{
|
leftptr[fileptr] = '>';
|
rightptr[fileptr] = '<';
|
|
strncpy(filename,
|
&files[fileptr * FILES_WIDTH],
|
FILES_WIDTH);
|
|
CTK_WIDGET_REDRAW(&filenameentry);
|
CTK_WIDGET_REDRAW(&leftptrlabel);
|
CTK_WIDGET_REDRAW(&rightptrlabel);
|
}
|
/*---------------------------------------------------------------------------*/
|
void
|
ctk_filedialog_init(CC_REGISTER_ARG struct ctk_filedialog_state *s)
|
{
|
state = STATE_CLOSED;
|
}
|
/*---------------------------------------------------------------------------*/
|
void
|
ctk_filedialog_open(CC_REGISTER_ARG struct ctk_filedialog_state *s,
|
const char *buttontext, process_event_t event)
|
{
|
ctk_dialog_new(&dialog, 20, 5 + FILES_HEIGHT);
|
CTK_WIDGET_ADD(&dialog, &leftptrlabel);
|
CTK_WIDGET_ADD(&dialog, &fileslabel);
|
CTK_WIDGET_ADD(&dialog, &rightptrlabel);
|
CTK_WIDGET_ADD(&dialog, &filenameentry);
|
CTK_BUTTON_NEW(&button, 1, 4 + FILES_HEIGHT, strlen(buttontext), (char *)buttontext);
|
CTK_WIDGET_ADD(&dialog, &button);
|
ctk_dialog_open(&dialog);
|
state = STATE_OPEN;
|
memset(filename, 0, sizeof(filename));
|
memset(leftptr, ' ', sizeof(leftptr));
|
memset(rightptr, ' ', sizeof(rightptr));
|
memset(files, 0, sizeof(files));
|
|
fileptr = 0;
|
dirfileptr = 0;
|
showptr();
|
cfs_opendir(&dir, ".");
|
process_post(PROCESS_CURRENT(), PROCESS_EVENT_CONTINUE, s);
|
}
|
/*---------------------------------------------------------------------------*/
|
char
|
ctk_filedialog_eventhandler(struct ctk_filedialog_state *s,
|
process_event_t ev, process_data_t data)
|
{
|
static struct cfs_dirent dirent;
|
|
if(state == STATE_OPEN) {
|
if(ev == ctk_signal_widget_activate &&
|
data == (process_data_t)&button) {
|
ctk_dialog_close();
|
state = STATE_CLOSED;
|
process_post(PROCESS_CURRENT(), s->ev, &filename);
|
return 1;
|
} else if(ev == PROCESS_EVENT_CONTINUE &&
|
(process_data_t)s == data) {
|
if(cfs_readdir(&dir, &dirent) == 0 &&
|
dirfileptr < MAX_NUMFILES) {
|
strncpy(&files[dirfileptr * FILES_WIDTH],
|
dirent.name, FILES_WIDTH);
|
CTK_WIDGET_REDRAW(&fileslabel);
|
++dirfileptr;
|
process_post(PROCESS_CURRENT(), PROCESS_EVENT_CONTINUE, s);
|
} else {
|
fileptr = 0;
|
cfs_closedir(&dir);
|
}
|
return 1;
|
} else if(ev == ctk_signal_keypress) {
|
if((ctk_arch_key_t)data == CH_CURS_UP) {
|
clearptr();
|
if(fileptr > 0) {
|
--fileptr;
|
}
|
showptr();
|
return 1;
|
} else if((ctk_arch_key_t)data == CH_CURS_DOWN) {
|
clearptr();
|
if(fileptr < FILES_HEIGHT - 1) {
|
++fileptr;
|
}
|
showptr();
|
return 1;
|
}
|
}
|
}
|
return 0;
|
}
|
/*---------------------------------------------------------------------------*/
|
