| /* |
| * 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> |
| * |
| * $Id: ctk-filedialog.c,v 1.5 2005/05/08 10:40:10 oliverschmidt Exp $ |
| */ |
| |
| #include "contiki.h" |
| #include "ctk-filedialog.h" |
| #include "ctk.h" |
| #include "cfs.h" |
| |
| #include <string.h> |
| |
| #define MAX_NUMFILES 40 |
| #define FILES_WIDTH 17 |
| #define FILES_HEIGHT 14 |
| |
| 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(register struct ctk_filedialog_state *s) |
| { |
| state = STATE_CLOSED; |
| } |
| /*---------------------------------------------------------------------------*/ |
| void |
| ctk_filedialog_open(register struct ctk_filedialog_state *s, |
| const char *buttontext, ek_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, "."); |
| ek_post(EK_PROC_ID(EK_CURRENT()), EK_EVENT_CONTINUE, s); |
| } |
| /*---------------------------------------------------------------------------*/ |
| char |
| ctk_filedialog_eventhandler(struct ctk_filedialog_state *s, |
| ek_event_t ev, ek_data_t data) |
| { |
| static struct cfs_dirent dirent; |
| |
| if(state == STATE_OPEN) { |
| if(ev == ctk_signal_widget_activate && |
| data == (ek_data_t)&button) { |
| ctk_dialog_close(); |
| state = STATE_CLOSED; |
| ek_post(EK_PROC_ID(EK_CURRENT()), s->ev, &filename); |
| return 1; |
| } else if(ev == EK_EVENT_CONTINUE && |
| (ek_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; |
| ek_post(EK_PROC_ID(EK_CURRENT()), EK_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; |
| } |
| /*---------------------------------------------------------------------------*/ |