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#include "menu.h"
#include "string_edit.h"
//static int num_lines = 0;
static int x_pos=0, y_pos=0;
static int width = 0, height = 0;
static int cursor_pos = 0;
static char *buffer;
static char *prompt;
static int buffer_length;
static char backup[1024];
#define STRINGBOX_WIDTH 70
#define STRINGBOX_HEIGHT 4
#define STRINGBOX_X 5
#define STRINGBOX_Y 5
static void string_edit_draw(void)
{
int
i,j,
length = buffer_length,
attr = MENUATTR_NORMAL;
char
c;
//int cursor_x = 0, cursor_y = 0;
for (i=0; i<height; i++)
{
for (j=0; j<width; j++)
{
int
offset = j+i*width;
if (offset > length)
c = ' ';
else
c = buffer[offset];
if (offset == cursor_pos)
#if 1 //def SIM
attr = MENUATTR_HILITE;
else
attr = MENUATTR_NORMAL;
#else
{
cursor_x = x_pos+j;
cursor_y = y_pos+i;
}
#endif
video_draw_text(x_pos + j, y_pos + i, attr, &c, 1);
}
}
#if 0 //ndef SIM
video_set_cursor(cursor_y, cursor_y);
#endif
}
static void string_clear_frame(void)
{
video_clear_box(STRINGBOX_X-2, STRINGBOX_Y-2,
STRINGBOX_WIDTH+4, STRINGBOX_HEIGHT+4,
' ', MENUATTR_NORMAL);
}
static void string_draw_frame(void)
{
string_clear_frame();
video_draw_box(SINGLE_BOX, MENUATTR_NORMAL, prompt, 0,
STRINGBOX_X-2, STRINGBOX_Y-2,
STRINGBOX_WIDTH+4, STRINGBOX_HEIGHT+4);
}
static void backspace(void)
{
int
i;
char
*s;
if (cursor_pos == 0) return;
if (cursor_pos == buffer_length)
{
buffer_length--;
cursor_pos--;
buffer[buffer_length] = 0;
}
else
{
s = buffer+cursor_pos-1;
for (i = 0; i < buffer_length - cursor_pos + 1; i++)
{
*s = *(s+1);
s++;
}
cursor_pos--;
buffer_length--;
}
}
static void insert(int key)
{
int
i;
char
*s;
s = buffer + buffer_length;
for (i = 0; i < buffer_length - cursor_pos + 1; i++)
{
*(s+1) = *s;
s--;
}
*(buffer + cursor_pos) = (char)key;
cursor_pos++;
buffer_length++;
}
bool menu_string_edit(char *_prompt, char *string, int buffersize)
{
int
key;
prompt = _prompt;
x_pos = STRINGBOX_X;
y_pos = STRINGBOX_Y;
width = STRINGBOX_WIDTH;
height = STRINGBOX_HEIGHT;
buffer = string;
strcpy(backup, string);
buffer_length = cursor_pos = strlen(buffer);
string_draw_frame();
do
{
string_edit_draw();
key = video_get_key();
switch(key)
{
case KEY_ABORT:
strcpy(string, backup);
string_clear_frame();
menu_draw_current_form();
return false;
case KEY_ACTIVATE:
string_clear_frame();
menu_draw_current_form();
return true;
case KEY_NEXT_OPTION:
cursor_pos++;
if (cursor_pos > buffer_length) cursor_pos = buffer_length;
break;
case KEY_PREV_OPTION:
cursor_pos--;
if (cursor_pos < 0) cursor_pos = 0;
break;
case KEY_DELETE:
/* Backspace */
backspace();
break;
default:
if (key >= 32 && key <= 127)
{
insert(key);
}
break;
}
} while (1);
return false;
}
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