bool route(int ch)
{
/* Keys available in both ESCAPE and REPLACE modes. */
switch (ch) {
case CTRL('c'):
case CTRL('q'):
return false;
break;
case KEY_SUSPEND:
case CTRL('z'):
suspend();
break;
case CTRL('w'):
buf_write();
break;
case CTRL('r'):
buf_revert();
break;
case CTRL('['):
set_state(ESCAPE);
break;
case KEY_LEFT:
move_col(-1);
break;
case KEY_UP:
move_line(-1);
break;
case KEY_RIGHT:
move_col(+1);
break;
case KEY_DOWN:
move_line(+1);
break;
case '\t':
toggle_mode();
break;
default:
if (buf.state == REPLACE) {
replace_char(ch);
return true;
}
break;
}
/* Keys available in only ESCAPE mode. */
switch (ch) {
case 'R':
set_state(REPLACE);
break;
case 'h':
move_col(-1);
break;
case 'k':
move_line(-1);
break;
case 'l':
move_col(+1);
break;
case 'j':
move_line(+1);
break;
case 'w':
goto_grp_next();
break;
case 'b':
goto_grp_prev();
break;
case 'g':
goto_buffer_beg();
break;
case 'G':
goto_buffer_end();
break;
case '^':
goto_line_beg();
break;
case '$':
goto_line_end();
break;
case 'd':
goto_half_next();
break;
case 'u':
goto_half_prev();
break;
case '?':
view.help = !view.help;
break;
default:
break;
}
return true;
}
int normal_mode_process(int key_down)
{
#ifdef __VIC_POSIX
int second_key_down = 0;
#endif
char t[100];
sprintf(t, "%x", key_down);
print_log(t);
switch (key_down)
{
case '\x1b': //Esc
#ifdef __VIC_POSIX
second_key_down = getchar();
switch (second_key_down) //double stroke Esc to return to normal mode.
{
case '\x5b':
second_key_down = getchar();
switch (second_key_down)
{
case '\x41': //up
cursor_up();
break;
case '\x42': //down
cursor_down();
break;
case '\x43': //right
cursor_right();
break;
case '\x44': //left
cursor_left();
break;
default:
break;
}
break;
default:
break;
}
#endif
#ifdef __VIC_WIN
#endif
break;
#ifdef __VIC_WIN
/*
case '\xe0': //first(or last maybe?) ascii of arrow keys.
case '\x00':
switch (getch())
{
case '\x48': //up
cursor_up();
break;
case '\x50': //down
cursor_down();
break;
case '\x4b': //left
cursor_left();
break;
case '\x4d': //right
cursor_right();
break;
default:
break;
}
break;
*/
case '\x48': //up
cursor_up();
break;
case '\x50': //down
cursor_down();
break;
case '\x4b': //left
cursor_left();
break;
case '\x4d': //right
cursor_right();
break;
#endif
case '!': //quit directly.
enable_display_back();
set_cursor_pos(console_columns, console_lines);
exit(0);
break;
case '1': //New File.
case 'n':
if (changed_flag == UNCHANGED || changed_flag == UNSAVED)
{
enable_display_back();
set_cursor_pos(console_columns, console_lines);
}
else
{
changed_flag = UNSAVED;
}
break;
case 'q': //quit, is saved should be checked.
if (changed_flag == UNCHANGED || changed_flag == UNSAVED)
{
enable_display_back();
set_cursor_pos(console_columns, console_lines);
exit(0);
}
else
{
changed_flag = UNSAVED;
}
break;
//belows hjkl for cursor moving.
//aiming to disable moving cursor outside the file part.
case 'h':
cursor_left();
break;
case 'l':
cursor_right();
break;
case 'j':
cursor_down();
break;
case 'k':
cursor_up();
break;
case 'w': //word forward.
{
int position = cur_left + cur_column - 1;
int counter = 0;
char *cur = get_line(cur_file, cur_top + cur_line - 1)->text;
cur += cur_left + cur_column - 2; //to be checked.
if (is_word_start(cur))
{
position++;
counter++;
cur++;
}
for (; position < get_length(get_line(cur_file, cur_line + cur_top - 1)); position++, counter++)
{
if (is_word_start(cur++))
{
break;
}
}
for (; counter > 0; counter--)
{
cursor_right();
}
}
break;
case 'b': //word backward.
{
int position = cur_left + cur_column - 1;
int counter = 0;
char *cur = get_line(cur_file, cur_top + cur_line - 1)->text;
cur += cur_left + cur_column - 2; //to be checked.
if (is_word_start(cur))
{
position--;
counter++;
cur--;
}
for (; position > 0; position--, counter++)
{
if (is_word_start(cur--))
{
break;
}
}
for (; counter > 0; counter--)
{
cursor_left();
}
}
break;
case 'e': //word-end forward.
{
int position = cur_left + cur_column - 1;
int counter = 0;
char *cur = get_line(cur_file, cur_top + cur_line - 1)->text;
cur += cur_left + cur_column - 2; //to be checked.
if (is_word_end(cur))
{
position++;
counter++;
cur++;
}
for (; position < get_length(get_line(cur_file, cur_line + cur_top - 1)); position++, counter++)
{
if (is_word_end(cur++))
{
break;
}
}
for (; counter > 0; counter--)
{
cursor_right();
}
}
break;
case 'i': //insert.
mode_flag = INSERT_MODE;
break;
case 'a': //append.
cursor_right();
mode_flag = INSERT_MODE;
break;
case 'd': //delete a word.
{
v_line *this_line = get_line(cur_file, cur_top + cur_line - 1);
unsigned int word_len = 0;
unsigned int start_index = cur_left + cur_column - 2;
unsigned int end_index = judge_word(this_line, start_index + 1);
word_len = end_index - start_index + 1;
for (int i = 0; i < end_index - start_index + 1; i++)
{
del_char(this_line, cur_left + cur_column - 2);
}
if (word_len != 0)
{
changed_flag = CHANGED;
}
}
break;
case 'x': //delete a single char.
del_char(get_line(cur_file, cur_top + cur_line - 1), cur_left + cur_column - 2);
changed_flag = CHANGED;
break;
case 'o': //open new line.
insert_empty_line(cur_file, cur_top + cur_line - 1);
cursor_down();
mode_flag = INSERT_MODE;
break;
case '$':
goto_line_end();
break;
case '^': //goto first char of line.
goto_line_actual_start();
break;
case '0': //goto fixed first column.
goto_line_start();
break;
case '3':
case ':': //bottom line command mode.
//Now I wanna use this as open file command.
if (changed_flag == CHANGED)
{
changed_flag = UNSAVED;
break;
}
mode_flag = BOTTOMLINE_MODE;
bottomline_sub_mode = BOTTOM_LINE_FILENAME_OPEN;
break;
case '/': //bottom line and search.
break;
case '2':
case 's':
if (strlen(cur_file_name) == 0)
{
mode_flag = BOTTOMLINE_MODE;
bottomline_sub_mode = BOTTOM_LINE_FILENAME_SAVE;
}
else
{
v_save_file(cur_file_name, cur_file);
changed_flag = UNCHANGED;
}
break;
#ifdef __VIC_WIN
case '\x00':
case '\xe0':
#endif
default:
break;
}
return 0;
}
