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