contiki/apps/directory.c - contiki-1.x - Gitiles

 /*
  * Copyright (c) 2003, Adam Dunkels.
  * 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. The name of the author may not be used to endorse or promote
  *    products derived from this software without specific prior
  *    written permission.
  *
  * THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``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 AUTHOR 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 desktop environment
  *
  * $Id: directory.c,v 1.3 2006/05/24 19:34:39 oliverschmidt Exp $
  *
  */

 #include <stdlib.h>
 #include <string.h>

 #include "ctk.h"
 #include "ctk-draw.h"
 #include "ek.h"
 #include "loader.h"

 #include "cfs.h"

 #include "program-handler.h"

 #define FILENAMELEN 24
 #define MAX_NUMFILES 40
 #define WIDTH 36
 #define HEIGHT 22

 static char (filenames[FILENAMELEN + 1])[MAX_NUMFILES];
 static struct dsc *dscs[MAX_NUMFILES];
 static unsigned char numfiles, morestart, filenameptr;

 static struct ctk_window window;

 static struct ctk_label description =
   {CTK_LABEL(0, HEIGHT - 1, WIDTH, 1, "")};

 static char autoexit = 1;
 static struct ctk_button autoexitbutton =
   {CTK_BUTTON(WIDTH/2 - 9, 20, 9, "Auto-exit")};
 static char autoexiton[] = "is On ";
 static char autoexitoff[] = "is Off";
 static struct ctk_label autoexitlabel =
   {CTK_LABEL(WIDTH/2 - 9 + 12, 20, 6, 1, autoexiton)};

 static struct ctk_button morebutton =
   {CTK_BUTTON(0, 20, 4, "More")};

 static struct ctk_button backbutton =
   {CTK_BUTTON(0, 20, 4, "Back")};

 static struct ctk_button reloadbutton =
   {CTK_BUTTON(30, 20, 6, "Reload")};

 EK_EVENTHANDLER(directory_eventhandler, ev, data);
 EK_PROCESS(p, "Directory browser", EK_PRIO_NORMAL,
 	   directory_eventhandler, NULL, NULL);
 static ek_id_t id = EK_ID_NONE;

 static unsigned char width, height;

 #define LOADING_DIR 1
 #define LOADING_DSC 2
 static char loading = 0;
 static struct cfs_dir dir;
 /*-----------------------------------------------------------------------------------*/
 static void
 show_statustext(char *text)
 {
   ctk_label_set_text(&description, text);
   CTK_WIDGET_REDRAW(&description);
 }
 /*-----------------------------------------------------------------------------------*/
 static void
 startloading(void)
 {
   if(cfs_opendir(&dir, "/") != 0) {
     show_statustext("Cannot open directory");
     loading = 0;
   } else {
     loading = LOADING_DIR;
     ek_post(id, EK_EVENT_CONTINUE, NULL);
     numfiles = 0;
   }
 }
 /*-----------------------------------------------------------------------------------*/
 static void
 makewindow(unsigned char i)
 {
   unsigned char x, y;

   ctk_window_clear(&window);
   CTK_WIDGET_SET_YPOS(&description, height - 3);
   CTK_WIDGET_SET_WIDTH(&description, width);
   CTK_WIDGET_ADD(&window, &description);

   morestart = i;

   x = 0; y = 1;
   for(; dscs[i] != NULL; ++i) {

     if(x + strlen(dscs[i]->icon->title) >= width) {
       y += 5;
       x = 0;
       if(y >= height - 2 - 4) {
 	morestart = i;
 	break;
       }
     }
     CTK_WIDGET_SET_XPOS(dscs[i]->icon, x);
     CTK_WIDGET_SET_YPOS(dscs[i]->icon, y);
     CTK_WIDGET_ADD(&window, dscs[i]->icon);

     x += strlen(dscs[i]->icon->title) + 2;
   }
   CTK_WIDGET_SET_YPOS(&autoexitbutton, height - 2);
   CTK_WIDGET_ADD(&window, &autoexitbutton);
   CTK_WIDGET_SET_YPOS(&autoexitlabel, height - 2);
   CTK_WIDGET_ADD(&window, &autoexitlabel);
   CTK_WIDGET_FOCUS(&window, &autoexitbutton);

   if(i != morestart) {
     CTK_WIDGET_SET_YPOS(&backbutton, height - 1);
     CTK_WIDGET_ADD(&window, &backbutton);
   } else {
     CTK_WIDGET_SET_YPOS(&morebutton, height - 1);
     CTK_WIDGET_ADD(&window, &morebutton);
   }
   CTK_WIDGET_SET_XPOS(&reloadbutton, width - 8);
   CTK_WIDGET_SET_YPOS(&reloadbutton, height - 1);
   CTK_WIDGET_ADD(&window, &reloadbutton);
 }
 /*-----------------------------------------------------------------------------------*/
 LOADER_INIT_FUNC(directory_init, arg)
 {
   arg_free(arg);

   if(id == EK_ID_NONE) {
     id = ek_start(&p);

     width = ctk_draw_width() - 2;
     height = ctk_draw_height() - 3;
   }
 }
 /*-----------------------------------------------------------------------------------*/
 static void
 quit(void)
 {
   unsigned char i;

   if(loading == LOADING_DIR) {
     cfs_closedir(&dir);
   }
   ctk_window_close(&window);
   for(i = 0; dscs[i] != NULL; ++i) {
     LOADER_UNLOAD_DSC(dscs[i]);
   }
   ek_exit();
   id = EK_ID_NONE;
   LOADER_UNLOAD();
 }
 /*-----------------------------------------------------------------------------------*/
 static void
 read_dirent(void)
 {
   static struct cfs_dirent dirent;
   static char message[40];

   if(loading == LOADING_DIR) {
     if(cfs_readdir(&dir, &dirent)) {
       cfs_closedir(&dir);
       loading = LOADING_DSC;
       filenameptr = 0;
     } else if(strcasecmp(&dirent.name[strlen(dirent.name) - 4], ".dsc") == 0) {
       strncpy(filenames[numfiles], dirent.name, FILENAMELEN);
       ++numfiles;
       if(numfiles == MAX_NUMFILES) {
 	cfs_closedir(&dir);
 	loading = LOADING_DSC;
 	filenameptr = 0;
 	return;
       }
       strcpy(message, "Found \"");
       strcpy(message + 7, dirent.name);
       strcpy(message + 7 + strlen(dirent.name), "\"...");
       show_statustext(message);
     }
   }
 }
 /*-----------------------------------------------------------------------------------*/
 static void
 load_dirent(void)
 {
   static char message[40];
   char *name;

   if(loading == LOADING_DSC) {

     name = filenames[filenameptr];
     dscs[filenameptr] = LOADER_LOAD_DSC(name);
     if(dscs[filenameptr] == NULL || filenameptr + 1 >= numfiles) {
       loading = 0;
       makewindow(0);
       show_statustext("Directory loaded");
       ctk_window_redraw(&window);
       return;
     }
     ++filenameptr;
     strcpy(message, "Loading \"");
     strcpy(message + 9, name);
     strcpy(message + 9 + strlen(name), "\"...");
     show_statustext(message);
   }
 }
 /*-----------------------------------------------------------------------------------*/
 EK_EVENTHANDLER(directory_eventhandler, ev, data)
 {
   unsigned char i;
   EK_EVENTHANDLER_ARGS(ev, data);

   if(ev == EK_EVENT_INIT) {
     ctk_window_new(&window, width, height, "Directory");

     /*    loaddirectory();*/
     makewindow(0);
     show_statustext("Loading directory...");
     startloading();

     ctk_window_open(&window);

   } else if(ev == EK_EVENT_CONTINUE) {
     read_dirent();
     load_dirent();
     if(loading != 0) {
       ek_post(id, EK_EVENT_CONTINUE, NULL);
     }
   } else if(ev == ctk_signal_widget_activate) {
     if(data == (ek_data_t)&reloadbutton) {
       for(i = 0; dscs[i] != NULL; ++i) {
 	LOADER_UNLOAD_DSC(dscs[i]);
 	dscs[i] = NULL;
       }
       /*      loaddirectory();*/
       startloading();
       makewindow(0);
       ctk_window_open(&window);
     } else if(data == (ek_data_t)&morebutton) {
       makewindow(morestart);
       ctk_window_open(&window);
     } else if(data == (ek_data_t)&backbutton) {
       makewindow(0);
       ctk_window_open(&window);
     } else if(data == (ek_data_t)&autoexitbutton) {
       autoexit = 1 - autoexit;
       if(autoexit == 1) {
 	ctk_label_set_text(&autoexitlabel, autoexiton);
       } else {
 	ctk_label_set_text(&autoexitlabel, autoexitoff);
       }
       CTK_WIDGET_REDRAW(&autoexitlabel);
     } else {
       for(i = 0; dscs[i] != NULL; ++i) {
 	if(data == (ek_data_t)(dscs[i]->icon)) {
 	  program_handler_load(dscs[i]->prgname, NULL);
 	  if(autoexit) {
 	    ctk_window_close(&window);
 	    quit();
 	  }
 	  break;
 	}
       }
     }
   } else if(ev == ctk_signal_widget_select) {
     if(data == (ek_data_t)&reloadbutton) {
       show_statustext("Reload directory");
     } else if(data == (ek_data_t)&morebutton) {
       show_statustext("Show more files");
     } else if(data == (ek_data_t)&backbutton) {
       show_statustext("Show first files");
     } else if(data == (ek_data_t)&autoexitbutton) {
       show_statustext("Exit when loading program");
     } else {
       for(i = 0; dscs[i] != NULL; ++i) {
 	if(data == (ek_data_t)(dscs[i]->icon)) {
 	  show_statustext(dscs[i]->description);
 	  break;
 	}
       }
     }
   } else if(ev == ctk_signal_window_close &&
 	    data == (ek_data_t)&window) {
     quit();
   } else if(ev == EK_EVENT_REQUEST_EXIT) {
     ctk_window_close(&window);
     quit();
   }
 }
 /*-----------------------------------------------------------------------------------*/
	/*
	* Copyright (c) 2003, Adam Dunkels.
	* 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. The name of the author may not be used to endorse or promote
	* products derived from this software without specific prior
	* written permission.
	*
	* THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``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 AUTHOR 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 desktop environment
	*
	* $Id: directory.c,v 1.3 2006/05/24 19:34:39 oliverschmidt Exp $
	*
	*/

	#include <stdlib.h>
	#include <string.h>

	#include "ctk.h"
	#include "ctk-draw.h"
	#include "ek.h"
	#include "loader.h"

	#include "cfs.h"

	#include "program-handler.h"

	#define FILENAMELEN 24
	#define MAX_NUMFILES 40
	#define WIDTH 36
	#define HEIGHT 22

	static char (filenames[FILENAMELEN + 1])[MAX_NUMFILES];
	static struct dsc *dscs[MAX_NUMFILES];
	static unsigned char numfiles, morestart, filenameptr;

	static struct ctk_window window;

	static struct ctk_label description =
	{CTK_LABEL(0, HEIGHT - 1, WIDTH, 1, "")};

	static char autoexit = 1;
	static struct ctk_button autoexitbutton =
	{CTK_BUTTON(WIDTH/2 - 9, 20, 9, "Auto-exit")};
	static char autoexiton[] = "is On ";
	static char autoexitoff[] = "is Off";
	static struct ctk_label autoexitlabel =
	{CTK_LABEL(WIDTH/2 - 9 + 12, 20, 6, 1, autoexiton)};

	static struct ctk_button morebutton =
	{CTK_BUTTON(0, 20, 4, "More")};

	static struct ctk_button backbutton =
	{CTK_BUTTON(0, 20, 4, "Back")};

	static struct ctk_button reloadbutton =
	{CTK_BUTTON(30, 20, 6, "Reload")};

	EK_EVENTHANDLER(directory_eventhandler, ev, data);
	EK_PROCESS(p, "Directory browser", EK_PRIO_NORMAL,
	directory_eventhandler, NULL, NULL);
	static ek_id_t id = EK_ID_NONE;

	static unsigned char width, height;

	#define LOADING_DIR 1
	#define LOADING_DSC 2
	static char loading = 0;
	static struct cfs_dir dir;
	/-----------------------------------------------------------------------------------/
	static void
	show_statustext(char *text)
	{
	ctk_label_set_text(&description, text);
	CTK_WIDGET_REDRAW(&description);
	}
	/-----------------------------------------------------------------------------------/
	static void
	startloading(void)
	{
	if(cfs_opendir(&dir, "/") != 0) {
	show_statustext("Cannot open directory");
	loading = 0;
	} else {
	loading = LOADING_DIR;
	ek_post(id, EK_EVENT_CONTINUE, NULL);
	numfiles = 0;
	}
	}
	/-----------------------------------------------------------------------------------/
	static void
	makewindow(unsigned char i)
	{
	unsigned char x, y;

	ctk_window_clear(&window);
	CTK_WIDGET_SET_YPOS(&description, height - 3);
	CTK_WIDGET_SET_WIDTH(&description, width);
	CTK_WIDGET_ADD(&window, &description);

	morestart = i;

	x = 0; y = 1;
	for(; dscs[i] != NULL; ++i) {

	if(x + strlen(dscs[i]->icon->title) >= width) {
	y += 5;
	x = 0;
	if(y >= height - 2 - 4) {
	morestart = i;
	break;
	}
	}
	CTK_WIDGET_SET_XPOS(dscs[i]->icon, x);
	CTK_WIDGET_SET_YPOS(dscs[i]->icon, y);
	CTK_WIDGET_ADD(&window, dscs[i]->icon);

	x += strlen(dscs[i]->icon->title) + 2;
	}
	CTK_WIDGET_SET_YPOS(&autoexitbutton, height - 2);
	CTK_WIDGET_ADD(&window, &autoexitbutton);
	CTK_WIDGET_SET_YPOS(&autoexitlabel, height - 2);
	CTK_WIDGET_ADD(&window, &autoexitlabel);
	CTK_WIDGET_FOCUS(&window, &autoexitbutton);

	if(i != morestart) {
	CTK_WIDGET_SET_YPOS(&backbutton, height - 1);
	CTK_WIDGET_ADD(&window, &backbutton);
	} else {
	CTK_WIDGET_SET_YPOS(&morebutton, height - 1);
	CTK_WIDGET_ADD(&window, &morebutton);
	}
	CTK_WIDGET_SET_XPOS(&reloadbutton, width - 8);
	CTK_WIDGET_SET_YPOS(&reloadbutton, height - 1);
	CTK_WIDGET_ADD(&window, &reloadbutton);
	}
	/-----------------------------------------------------------------------------------/
	LOADER_INIT_FUNC(directory_init, arg)
	{
	arg_free(arg);

	if(id == EK_ID_NONE) {
	id = ek_start(&p);

	width = ctk_draw_width() - 2;
	height = ctk_draw_height() - 3;
	}
	}
	/-----------------------------------------------------------------------------------/
	static void
	quit(void)
	{
	unsigned char i;

	if(loading == LOADING_DIR) {
	cfs_closedir(&dir);
	}
	ctk_window_close(&window);
	for(i = 0; dscs[i] != NULL; ++i) {
	LOADER_UNLOAD_DSC(dscs[i]);
	}
	ek_exit();
	id = EK_ID_NONE;
	LOADER_UNLOAD();
	}
	/-----------------------------------------------------------------------------------/
	static void
	read_dirent(void)
	{
	static struct cfs_dirent dirent;
	static char message[40];

	if(loading == LOADING_DIR) {
	if(cfs_readdir(&dir, &dirent)) {
	cfs_closedir(&dir);
	loading = LOADING_DSC;
	filenameptr = 0;
	} else if(strcasecmp(&dirent.name[strlen(dirent.name) - 4], ".dsc") == 0) {
	strncpy(filenames[numfiles], dirent.name, FILENAMELEN);
	++numfiles;
	if(numfiles == MAX_NUMFILES) {
	cfs_closedir(&dir);
	loading = LOADING_DSC;
	filenameptr = 0;
	return;
	}
	strcpy(message, "Found \"");
	strcpy(message + 7, dirent.name);
	strcpy(message + 7 + strlen(dirent.name), "\"...");
	show_statustext(message);
	}
	}
	}
	/-----------------------------------------------------------------------------------/
	static void
	load_dirent(void)
	{
	static char message[40];
	char *name;

	if(loading == LOADING_DSC) {

	name = filenames[filenameptr];
	dscs[filenameptr] = LOADER_LOAD_DSC(name);
	if(dscs[filenameptr] == NULL \|\| filenameptr + 1 >= numfiles) {
	loading = 0;
	makewindow(0);
	show_statustext("Directory loaded");
	ctk_window_redraw(&window);
	return;
	}
	++filenameptr;
	strcpy(message, "Loading \"");
	strcpy(message + 9, name);
	strcpy(message + 9 + strlen(name), "\"...");
	show_statustext(message);
	}
	}
	/-----------------------------------------------------------------------------------/
	EK_EVENTHANDLER(directory_eventhandler, ev, data)
	{
	unsigned char i;
	EK_EVENTHANDLER_ARGS(ev, data);

	if(ev == EK_EVENT_INIT) {
	ctk_window_new(&window, width, height, "Directory");

	/* loaddirectory();*/
	makewindow(0);
	show_statustext("Loading directory...");
	startloading();

	ctk_window_open(&window);

	} else if(ev == EK_EVENT_CONTINUE) {
	read_dirent();
	load_dirent();
	if(loading != 0) {
	ek_post(id, EK_EVENT_CONTINUE, NULL);
	}
	} else if(ev == ctk_signal_widget_activate) {
	if(data == (ek_data_t)&reloadbutton) {
	for(i = 0; dscs[i] != NULL; ++i) {
	LOADER_UNLOAD_DSC(dscs[i]);
	dscs[i] = NULL;
	}
	/* loaddirectory();*/
	startloading();
	makewindow(0);
	ctk_window_open(&window);
	} else if(data == (ek_data_t)&morebutton) {
	makewindow(morestart);
	ctk_window_open(&window);
	} else if(data == (ek_data_t)&backbutton) {
	makewindow(0);
	ctk_window_open(&window);
	} else if(data == (ek_data_t)&autoexitbutton) {
	autoexit = 1 - autoexit;
	if(autoexit == 1) {
	ctk_label_set_text(&autoexitlabel, autoexiton);
	} else {
	ctk_label_set_text(&autoexitlabel, autoexitoff);
	}
	CTK_WIDGET_REDRAW(&autoexitlabel);
	} else {
	for(i = 0; dscs[i] != NULL; ++i) {
	if(data == (ek_data_t)(dscs[i]->icon)) {
	program_handler_load(dscs[i]->prgname, NULL);
	if(autoexit) {
	ctk_window_close(&window);
	quit();
	}
	break;
	}
	}
	}
	} else if(ev == ctk_signal_widget_select) {
	if(data == (ek_data_t)&reloadbutton) {
	show_statustext("Reload directory");
	} else if(data == (ek_data_t)&morebutton) {
	show_statustext("Show more files");
	} else if(data == (ek_data_t)&backbutton) {
	show_statustext("Show first files");
	} else if(data == (ek_data_t)&autoexitbutton) {
	show_statustext("Exit when loading program");
	} else {
	for(i = 0; dscs[i] != NULL; ++i) {
	if(data == (ek_data_t)(dscs[i]->icon)) {
	show_statustext(dscs[i]->description);
	break;
	}
	}
	}
	} else if(ev == ctk_signal_window_close &&
	data == (ek_data_t)&window) {
	quit();
	} else if(ev == EK_EVENT_REQUEST_EXIT) {
	ctk_window_close(&window);
	quit();
	}
	}
	/-----------------------------------------------------------------------------------/