309 lines
8.8 KiB
C
309 lines
8.8 KiB
C
/*
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* Copyright (c) 2003, Adam Dunkels.
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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
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* copyright notice, this list of conditions and the following
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* disclaimer in the documentation and/or other materials provided
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* with the distribution.
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* 3. The name of the author may not be used to endorse or promote
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* products derived from this software without specific prior
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* written permission.
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*
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* THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS
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* OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED
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* WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
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* ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY
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* DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
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* DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE
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* GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
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* INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY,
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* WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING
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* NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS
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* SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
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*
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* This file is part of the Contiki desktop environment
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*
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* $Id: directory.c,v 1.1 2006/06/17 22:41:10 adamdunkels Exp $
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*
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*/
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#include <stdlib.h>
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#include <string.h>
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#include "contiki.h"
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#include "cfs/cfs.h"
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#include "ctk/ctk.h"
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#include "program-handler.h"
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#define FILENAMELEN 24
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#define MAX_NUMFILES 40
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#define WIDTH 36
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#define HEIGHT 22
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static char (filenames[FILENAMELEN + 1])[MAX_NUMFILES];
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static struct dsc *dscs[MAX_NUMFILES];
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static unsigned char numfiles, morestart, filenameptr;
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static struct ctk_window window;
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static struct ctk_label description =
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{CTK_LABEL(0, HEIGHT - 1, WIDTH, 1, "")};
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static char autoexit = 1;
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static struct ctk_button autoexitbutton =
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{CTK_BUTTON(WIDTH/2 - 9, 20, 9, "Auto-exit")};
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static char autoexiton[] = "is On ";
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static char autoexitoff[] = "is Off";
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static struct ctk_label autoexitlabel =
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{CTK_LABEL(WIDTH/2 - 9 + 12, 20, 6, 1, autoexiton)};
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static struct ctk_button morebutton =
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{CTK_BUTTON(0, 20, 4, "More")};
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static struct ctk_button backbutton =
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{CTK_BUTTON(0, 20, 4, "Back")};
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static struct ctk_button reloadbutton =
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{CTK_BUTTON(30, 20, 6, "Reload")};
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PROCESS(directory_process, "Directory browser");
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static unsigned char width, height;
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#define LOADING_DIR 1
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#define LOADING_DSC 2
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static char loading = 0;
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static struct cfs_dir dir;
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/*-----------------------------------------------------------------------------------*/
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static void
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show_statustext(char *text)
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{
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ctk_label_set_text(&description, text);
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CTK_WIDGET_REDRAW(&description);
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}
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/*-----------------------------------------------------------------------------------*/
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static void
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startloading(void)
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{
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if(cfs_opendir(&dir, "/") != 0) {
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show_statustext("Cannot open directory");
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loading = 0;
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} else {
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loading = 1;
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process_post(&directory_process, PROCESS_EVENT_CONTINUE, NULL);
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numfiles = 0;
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}
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}
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/*-----------------------------------------------------------------------------------*/
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static void
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makewindow(unsigned char i)
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{
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unsigned char x, y;
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ctk_window_clear(&window);
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CTK_WIDGET_SET_YPOS(&description, height - 3);
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CTK_WIDGET_SET_WIDTH(&description, width);
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CTK_WIDGET_ADD(&window, &description);
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morestart = i;
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x = 0; y = 1;
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for(; dscs[i] != NULL; ++i) {
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if(x + strlen(dscs[i]->icon->title) >= width) {
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y += 5;
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x = 0;
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if(y >= height - 2 - 4) {
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morestart = i;
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break;
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}
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}
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CTK_WIDGET_SET_XPOS(dscs[i]->icon, x);
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CTK_WIDGET_SET_YPOS(dscs[i]->icon, y);
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CTK_WIDGET_ADD(&window, dscs[i]->icon);
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x += strlen(dscs[i]->icon->title) + 2;
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}
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CTK_WIDGET_SET_YPOS(&autoexitbutton, height - 2);
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CTK_WIDGET_ADD(&window, &autoexitbutton);
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CTK_WIDGET_SET_YPOS(&autoexitlabel, height - 2);
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CTK_WIDGET_ADD(&window, &autoexitlabel);
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CTK_WIDGET_FOCUS(&window, &autoexitbutton);
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if(i != morestart) {
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CTK_WIDGET_SET_YPOS(&backbutton, height - 1);
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CTK_WIDGET_ADD(&window, &backbutton);
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} else {
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CTK_WIDGET_SET_YPOS(&morebutton, height - 1);
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CTK_WIDGET_ADD(&window, &morebutton);
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}
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CTK_WIDGET_SET_XPOS(&reloadbutton, width - 8);
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CTK_WIDGET_SET_YPOS(&reloadbutton, height - 1);
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CTK_WIDGET_ADD(&window, &reloadbutton);
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}
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/*-----------------------------------------------------------------------------------*/
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static void
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quit(void)
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{
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unsigned char i;
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cfs_closedir(&dir);
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ctk_window_close(&window);
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for(i = 0; dscs[i] != NULL; ++i) {
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LOADER_UNLOAD_DSC(dscs[i]);
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}
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process_exit(&directory_process);
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LOADER_UNLOAD();
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}
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/*-----------------------------------------------------------------------------------*/
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static void
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read_dirent(void)
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{
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static struct cfs_dirent dirent;
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static char message[40];
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if(loading == LOADING_DIR) {
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if(cfs_readdir(&dir, &dirent)) {
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cfs_closedir(&dir);
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loading = LOADING_DSC;
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filenameptr = 0;
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} else if(strcasecmp(&dirent.name[strlen(dirent.name) - 4], ".dsc") == 0) {
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strncpy(filenames[numfiles], dirent.name, FILENAMELEN);
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++numfiles;
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if(numfiles == MAX_NUMFILES) {
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cfs_closedir(&dir);
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loading = LOADING_DSC;
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filenameptr = 0;
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return;
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}
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strcpy(message, "Found \"");
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strcpy(message + 7, dirent.name);
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strcpy(message + 7 + strlen(dirent.name), "\"...");
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show_statustext(message);
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}
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}
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}
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/*-----------------------------------------------------------------------------------*/
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static void
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load_dirent(void)
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{
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static char message[40];
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char *name;
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if(loading == LOADING_DSC) {
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name = filenames[filenameptr];
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dscs[filenameptr] = LOADER_LOAD_DSC(name);
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if(dscs[filenameptr] == NULL || filenameptr + 1 >= numfiles) {
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loading = 0;
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makewindow(0);
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show_statustext("Directory loaded");
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ctk_window_redraw(&window);
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return;
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}
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++filenameptr;
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strcpy(message, "Loading \"");
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strcpy(message + 9, name);
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strcpy(message + 9 + strlen(name), "\"...");
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show_statustext(message);
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}
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}
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/*-----------------------------------------------------------------------------------*/
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PROCESS_THREAD(directory_process, ev, data)
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{
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unsigned char i;
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PROCESS_BEGIN();
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width = ctk_draw_width() - 2;
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height = ctk_draw_height() - 3;
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ctk_window_new(&window, width, height, "Directory");
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/* loaddirectory();*/
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makewindow(0);
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show_statustext("Loading directory...");
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startloading();
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ctk_window_open(&window);
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while(1) {
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PROCESS_WAIT_EVENT();
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if(ev == PROCESS_EVENT_CONTINUE) {
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read_dirent();
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load_dirent();
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if(loading != 0) {
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process_post(&directory_process, PROCESS_EVENT_CONTINUE, NULL);
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}
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} else if(ev == ctk_signal_widget_activate) {
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if(data == (process_data_t)&reloadbutton) {
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for(i = 0; dscs[i] != NULL; ++i) {
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LOADER_UNLOAD_DSC(dscs[i]);
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dscs[i] = NULL;
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}
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/* loaddirectory();*/
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startloading();
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makewindow(0);
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ctk_window_open(&window);
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} else if(data == (process_data_t)&morebutton) {
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makewindow(morestart);
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ctk_window_open(&window);
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} else if(data == (process_data_t)&backbutton) {
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makewindow(0);
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ctk_window_open(&window);
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} else if(data == (process_data_t)&autoexitbutton) {
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autoexit = 1 - autoexit;
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if(autoexit == 1) {
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ctk_label_set_text(&autoexitlabel, autoexiton);
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} else {
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ctk_label_set_text(&autoexitlabel, autoexitoff);
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}
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CTK_WIDGET_REDRAW(&autoexitlabel);
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} else {
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for(i = 0; dscs[i] != NULL; ++i) {
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if(data == (process_data_t)(dscs[i]->icon)) {
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/* program_handler_load(dscs[i]->prgname, NULL);*/
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if(autoexit) {
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ctk_window_close(&window);
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quit();
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}
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break;
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}
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}
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}
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} else if(ev == ctk_signal_widget_select) {
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if(data == (process_data_t)&reloadbutton) {
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show_statustext("Reload directory");
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} else if(data == (process_data_t)&morebutton) {
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show_statustext("Show more files");
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} else if(data == (process_data_t)&backbutton) {
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show_statustext("Show first files");
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} else if(data == (process_data_t)&autoexitbutton) {
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show_statustext("Exit when loading program");
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} else {
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for(i = 0; dscs[i] != NULL; ++i) {
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if(data == (process_data_t)(dscs[i]->icon)) {
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show_statustext(dscs[i]->description);
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break;
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}
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}
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}
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} else if(ev == ctk_signal_window_close &&
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data == (process_data_t)&window) {
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quit();
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} else if(ev == PROCESS_EVENT_EXIT) {
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ctk_window_close(&window);
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quit();
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}
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}
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PROCESS_END();
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}
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/*-----------------------------------------------------------------------------------*/
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