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options.c
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options.c
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#include <string.h>
#include "globals.h"
#include "custom_gui.h"
#include "serial.h"
#include "options.h"
#include "error_handlers.h"
#ifdef ALLEGRO_WINDOWS
#include "get_port_names.h"
#elif TERMIOS
#define PORT_NAME_BUF_SIZE 16
#else
#define PORT_NAME_BUF_SIZE 5
#endif
#define MSG_SAVE_OPTIONS MSG_USER
#define MSG_REFRESH MSG_USER + 1
// Define defaults
#ifdef ALLEGRO_WINDOWS
#define DEFAULT_DISPLAY_MODE WINDOWED_MODE
#else
#define DEFAULT_DISPLAY_MODE WINDOWED_MODE
#endif
#define DEFAULT_SYSTEM_OF_MEASURMENTS IMPERIAL
#define DEFAULT_COMPORT_NUMBER -1
#ifdef TERMIOS
#define DEFAULT_BAUD_RATE BAUD_RATE_9600
#else
#define DEFAULT_BAUD_RATE BAUD_RATE_115200
#endif
#define DEFAULT_LOG_COMMS 0
int system_of_measurements;
int log_comms;
char *options_file_name;
typedef struct
{
int option_value;
} OPTION_ELEMENT;
static OPTION_ELEMENT option_metric = {METRIC};
static OPTION_ELEMENT option_imperial = {IMPERIAL};
static OPTION_ELEMENT option_baud_rate_9600 = {BAUD_RATE_9600};
static OPTION_ELEMENT option_baud_rate_38400 = {BAUD_RATE_38400};
static OPTION_ELEMENT option_baud_rate_115200 = {BAUD_RATE_115200};
#ifdef ALLEGRO_WINDOWS
static OPTION_ELEMENT option_baud_rate_230400 = {BAUD_RATE_230400};
#endif
static OPTION_ELEMENT option_windowed_mode = {WINDOWED_MODE};
static OPTION_ELEMENT option_full_screen_mode = {FULL_SCREEN_MODE};
static int option_element_proc(int msg, DIALOG *d, int c);
static int save_options_proc(int msg, DIALOG *d, int c);
static int comport_list_proc(int msg, DIALOG *d, int c);
static char *listbox_getter(int index, int *list_size);
static void fill_comport_list();
static void clear_comport_list();
static DIALOG options_dialog[] =
{
/* (proc) (x) (y) (w) (h) (fg) (bg) (key) (flags) (d1) (d2) (dp) (dp2) (dp3) */
{ d_shadow_box_proc, 0, 0, 231, 466, 0, C_LIGHT_GRAY, 0, 0, 0, 0, NULL, NULL, NULL },
{ d_shadow_box_proc, 0, 0, 231, 24, 0, C_DARK_GRAY, 0, 0, 0, 0, NULL, NULL, NULL },
{ caption_proc, 115, 2, 113, 19, C_WHITE, C_TRANSP, 0, 0, 0, 0, "Program Options", NULL, NULL },
{ d_text_proc, 16, 32, 200, 16, C_BLACK, C_TRANSP, 0, 0, 0, 0, "System Of Measurements:", NULL, NULL },
{ option_element_proc, 48, 56, 80, 10, C_BLACK, C_LIGHT_GRAY, 0, 0, 0, 0, "Metric", NULL, &option_metric },
{ option_element_proc, 48, 72, 88, 10, C_BLACK, C_LIGHT_GRAY, 0, 0, 0, 0, "US", NULL, &option_imperial },
{ d_text_proc, 16, 96, 152, 16, C_BLACK, C_TRANSP, 0, 0, 0, 0, "Serial Port:", NULL, NULL },
{ comport_list_proc, 20, 120, 190, 148, C_BLACK, C_LIGHT_GRAY, 0, 0, 0, 0, listbox_getter, NULL, NULL },
{ d_text_proc, 16, 282, 200, 16, C_BLACK, C_TRANSP, 0, 0, 0, 0, "Baud Rate:", NULL, NULL },
{ option_element_proc, 20, 306, 80, 10, C_BLACK, C_LIGHT_GRAY, 0, 0, 1, 0, "9600", NULL, &option_baud_rate_9600 },
{ option_element_proc, 110, 306, 80, 10, C_BLACK, C_LIGHT_GRAY, 0, 0, 1, 0, "38400", NULL, &option_baud_rate_38400 },
{ option_element_proc, 20, 322, 80, 10, C_BLACK, C_LIGHT_GRAY, 0, 0, 1, 0, "115200", NULL, &option_baud_rate_115200 },
#ifdef ALLEGRO_WINDOWS
{ option_element_proc, 110, 322, 80, 10, C_BLACK, C_LIGHT_GRAY, 0, 0, 1, 0, "230400", NULL, &option_baud_rate_230400 },
#endif
{ d_text_proc, 16, 346, 200, 16, C_BLACK, C_TRANSP, 0, 0, 0, 0, "Display Mode:", NULL, NULL },
{ option_element_proc, 48, 370, 80, 10, C_BLACK, C_LIGHT_GRAY, 0, 0, 2, 0, "Windowed", NULL, &option_windowed_mode },
{ option_element_proc, 48, 386, 80, 10, C_BLACK, C_LIGHT_GRAY, 0, 0, 2, 0, "Full Screen", NULL, &option_full_screen_mode },
{ save_options_proc, 16, 410, 92, 40, C_BLACK, C_GREEN, 's', D_EXIT, 0, 0, "&Save", NULL, NULL },
{ d_button_proc, 123, 410, 92, 40, C_BLACK, C_DARK_YELLOW, 'c', D_EXIT, 0, 0, "&Cancel", NULL, NULL },
{ d_yield_proc, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, NULL, NULL, NULL },
{ NULL, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, NULL, NULL, NULL }
};
static char* comport_list_strings = NULL;
static int* comport_list_numbers = NULL;
static int comport_list_size = 0;
int display_options()
{
if (display_mode & WINDOWED_MODE_SET)
display_mode |= WINDOWED_MODE;
else
display_mode &= ~WINDOWED_MODE;
centre_dialog(options_dialog);
return popup_dialog(options_dialog, -1);
}
char* listbox_getter(int index, int *list_size)
{
if (index < 0)
{
*list_size = comport_list_size;
return NULL;
}
else
return comport_list_strings + index * PORT_NAME_BUF_SIZE;
}
int comport_list_proc(int msg, DIALOG *d, int c)
{
int i;
switch (msg)
{
case MSG_START:
case MSG_REFRESH:
fill_comport_list();
d->d1 = 0;
if (comport.number >= 0)
{
for (i = 0; i < comport_list_size; i++)
if (comport_list_numbers[i] == comport.number)
d->d1 = i;
}
if (msg == MSG_REFRESH)
msg = MSG_DRAW;
break;
case MSG_SAVE_OPTIONS:
if (d->d1 >= 0 && d->d1 < comport_list_size)
comport.number = comport_list_numbers[d->d1];
else
comport.number = -1;
break;
case MSG_END:
clear_comport_list();
}
return d_list_proc(msg, d, c);
}
int option_element_proc(int msg, DIALOG *d, int c)
{
OPTION_ELEMENT *option_element = (OPTION_ELEMENT *)d->dp3;
switch (msg)
{
case MSG_START:
case MSG_REFRESH:
switch (d->d1)
{
case 0:
if (option_element->option_value == system_of_measurements) // if the element should be selected
d->flags |= D_SELECTED;
else
d->flags &= ~D_SELECTED;
break;
case 1:
if (option_element->option_value == comport.baud_rate)
d->flags |= D_SELECTED;
else
d->flags &= ~D_SELECTED;
break;
case 2:
if (option_element->option_value == (display_mode & WINDOWED_MODE))
d->flags |= D_SELECTED; // make it selected
else
d->flags &= ~D_SELECTED;
if (((option_element->option_value == WINDOWED_MODE) && !(display_mode & WINDOWED_MODE_SUPPORTED)) || ((option_element->option_value == FULL_SCREEN_MODE) && !(display_mode & FULLSCREEN_MODE_SUPPORTED)))
d->flags |= D_DISABLED;
else
d->flags &= ~D_DISABLED;
break;
}
if (msg == MSG_REFRESH)
msg = MSG_DRAW;
break;
case MSG_SAVE_OPTIONS:
if (d->flags & D_SELECTED) // if the element is selected,
switch (d->d1)
{
case 0:
system_of_measurements = option_element->option_value;
break;
case 1:
comport.baud_rate = option_element->option_value;
break;
case 2:
display_mode &= ~WINDOWED_MODE;
display_mode |= option_element->option_value;
break;
}
break;
case MSG_END:
d->flags &= ~D_SELECTED; // deselect
d->flags &= ~D_DISABLED; // and enable the element
break;
}
return d_radio_proc(msg, d, c);
}
int save_options_proc(int msg, DIALOG *d, int c)
{
int ret;
int old_baud_rate;
BITMAP *bmp;
FILE *file;
ret = d_button_proc(msg, d, c);
if (ret == D_CLOSE)
{
old_baud_rate = comport.baud_rate;
broadcast_dialog_message(MSG_SAVE_OPTIONS, 0);
if (comport.baud_rate != old_baud_rate)
{
if (alert("WARNING!", "This operation may cause scan tool to stop responding.", "Are you sure you want to change the baud rate?", "Yes", "No", 0, 0) != 1)
{
comport.baud_rate = old_baud_rate;
broadcast_dialog_message(MSG_REFRESH, 0);
return D_O_K;
}
}
close_comport(); // close current comport
open_comport(); // try reinitializing comport (comport.status will be set)
if ((!(display_mode & WINDOWED_MODE) && (display_mode & WINDOWED_MODE_SET)) || ((display_mode & WINDOWED_MODE) && !(display_mode & WINDOWED_MODE_SET)))
{
bmp = create_bitmap(SCREEN_W, SCREEN_H);
if (bmp)
{
scare_mouse();
blit(screen, bmp, 0, 0, 0, 0, SCREEN_W, SCREEN_H);
unscare_mouse();
if (display_mode & WINDOWED_MODE)
{
if (set_gfx_mode(GFX_AUTODETECT_WINDOWED, 640, 480, 0, 0) == 0)
display_mode |= WINDOWED_MODE_SET;
else
display_mode &= ~WINDOWED_MODE_SUPPORTED;
}
else
{
if (set_gfx_mode(GFX_AUTODETECT_FULLSCREEN, 640, 480, 0, 0) == 0)
display_mode &= ~WINDOWED_MODE_SET;
else
display_mode &= ~FULLSCREEN_MODE_SUPPORTED;
}
set_pallete(datafile[MAIN_PALETTE].dat);
gui_fg_color = C_BLACK; // set the foreground color
gui_bg_color = C_WHITE; // set the background color
gui_mg_color = C_GRAY; // set the disabled color
set_mouse_sprite(NULL); // make mouse use current palette
blit(bmp, screen, 0, 0, 0, 0, SCREEN_W, SCREEN_H);
show_mouse(screen);
destroy_bitmap(bmp);
}
else
alert("Error switching display modes.", "Not enough memory to save screen.", NULL, "OK", NULL, 0, 0);
}
file = fopen(options_file_name, "a");
if (file == NULL)
alert("Options could not be saved, because file", options_file_name, "could not be open for writing", "OK", NULL, 0, 0);
else
{
fclose(file);
save_program_options();
}
}
return ret;
}
// DO NOT TRANSLATE BELOW THIS LINE
void load_program_options()
{
comport.number = get_config_int("comm", "comport_number", DEFAULT_COMPORT_NUMBER);
comport.baud_rate = get_config_int("comm", "baud_rate", DEFAULT_BAUD_RATE);
system_of_measurements = get_config_int("general", "system_of_measurements", DEFAULT_SYSTEM_OF_MEASURMENTS);
log_comms = get_config_int("general", "log_comms", DEFAULT_LOG_COMMS);
if (get_config_int("general", "display_mode", DEFAULT_DISPLAY_MODE))
display_mode |= WINDOWED_MODE_SET;
else
display_mode &= ~WINDOWED_MODE_SET;
}
void save_program_options()
{
set_config_int("general", "system_of_measurements", system_of_measurements);
if (display_mode & WINDOWED_MODE_SET)
set_config_int("general", "display_mode", WINDOWED_MODE);
else
set_config_int("general", "display_mode", FULL_SCREEN_MODE);
set_config_int("general", "log_comms", log_comms);
set_config_int("comm", "baud_rate", comport.baud_rate);
set_config_int("comm", "comport_number", comport.number);
flush_config_file();
}
void fill_comport_list()
{
int i;
clear_comport_list();
#ifdef ALLEGRO_WINDOWS
if (get_port_names(&comport_list_strings, &comport_list_size) != 0)
fatal_error("Could not allocate memory for comport_list_strings.");
if (comport_list_size > 0)
{
comport_list_numbers = (int*)malloc(comport_list_size * sizeof(int));
if (comport_list_numbers == NULL)
fatal_error("Could not allocate memory for comport_list_numbers.");
for (i = 0; i < comport_list_size; i++)
comport_list_numbers[i] = atoi((comport_list_strings + i * PORT_NAME_BUF_SIZE) + 3) - 1;
}
#elif TERMIOS
char tmp[PORT_NAME_BUF_SIZE];
comport_list_strings = calloc(16 , (sizeof(char) * PORT_NAME_BUF_SIZE));
if (comport_list_strings == NULL)
fatal_error("Could not allocate memory for comport_list_strings.");
comport_list_numbers = malloc(16 * sizeof(int));
if (comport_list_numbers == NULL)
fatal_error("Could not allocate memory for comport_list_numbers.");
int nb=0;
FILE *f;
for(i=0;i<8;i++)
{
snprintf(tmp,sizeof(tmp),"/dev/ttyS%d",i);
f=fopen(tmp,"r");
if( f != NULL )
{
strcpy(comport_list_strings + nb * PORT_NAME_BUF_SIZE,tmp);
comport_list_numbers[nb]=i;
nb++;
fclose(f);
}
}
for(i=0;i<8;i++)
{
snprintf(tmp,sizeof(tmp),"/dev/ttyUSB%d",i);
f=fopen(tmp,"r");
if( f != NULL )
{
strcpy(comport_list_strings + nb * PORT_NAME_BUF_SIZE,tmp);
comport_list_numbers[nb]=100+i;
nb++;
fclose(f);
}
}
for(i=0;i<8;i++)
{
snprintf(tmp,sizeof(tmp),"/dev/pts/%d",i);
f=fopen(tmp,"r");
if( f != NULL )
{
strcpy(comport_list_strings + nb * PORT_NAME_BUF_SIZE,tmp);
comport_list_numbers[nb]=1000+i;
nb++;
fclose(f);
}
}
comport_list_size = nb;
#else
comport_list_strings = malloc(8 * (sizeof(char) * PORT_NAME_BUF_SIZE));
if (comport_list_strings == NULL)
fatal_error("Could not allocate memory for comport_list_strings.");
comport_list_numbers = malloc(8 * sizeof(int));
if (comport_list_numbers == NULL)
fatal_error("Could not allocate memory for comport_list_numbers.");
for (i = 0; i < 8; i++)
sprintf(comport_list_strings + i * PORT_NAME_BUF_SIZE, "COM%i", i + 1);
comport_list_numbers[0] = _com1;
comport_list_numbers[1] = _com2;
comport_list_numbers[2] = _com3;
comport_list_numbers[3] = _com4;
comport_list_numbers[4] = _com5;
comport_list_numbers[5] = _com6;
comport_list_numbers[6] = _com7;
comport_list_numbers[7] = _com8;
comport_list_size = 8;
#endif
}
void clear_comport_list()
{
if (comport_list_strings != NULL)
{
free(comport_list_strings);
comport_list_strings = NULL;
}
if (comport_list_numbers != NULL)
{
free(comport_list_numbers);
comport_list_numbers = NULL;
}
comport_list_size = 0;
}