static void real_previous_word(t_data *data)
{
if (data->list_auto)
{
delete_list_auto(data->list_auto);
data->list_auto = NULL;
}
previous_word(data);
}
/* update returns false if enter has been pressed, true otherwise */
bool TCOD_text_update (TCOD_text_t txt, TCOD_key_t key) {
int cx,cy,oldpos;
text_t * data = (text_t*)txt;
TCOD_IFNOT(data && data->con ) return false;
oldpos = data->cursor_pos;
/* for real-time keyboard : only on key release */
if ( key.pressed ) {
/* process keyboard input */
switch (key.vk) {
case TCODK_BACKSPACE: /* get rid of the last character */
if ( data->sel_start != MAX_INT ) {
deleteSelection(data);
} else {
deleteChar(data);
}
break;
case TCODK_DELETE:
if ( key.shift ) {
/* SHIFT-DELETE : cut to clipboard */
cut(data);
} else {
if ( data->sel_start != MAX_INT ) {
deleteSelection(data);
} else if ( data->text[data->cursor_pos] ) {
data->cursor_pos++;
deleteChar(data);
}
}
break;
/* shift + arrow / home / end = selection */
/* ctrl + arrow = word skipping. ctrl + shift + arrow = word selection */
case TCODK_LEFT:
if ( data->multiline && key.shift && data->sel_end == -1) {
data->sel_end = data->cursor_pos;
}
if ( data->cursor_pos > 0 ) {
if ( key.lctrl || key.rctrl ) {
previous_word(data);
} else data->cursor_pos--;
selectStart(data,oldpos,key);
}
break;
case TCODK_RIGHT:
if ( data->multiline && key.shift && data->sel_start == MAX_INT ) {
data->sel_start = data->cursor_pos;
}
if ( data->text[data->cursor_pos] ) {
if ( key.lctrl || key.rctrl ) {
next_word(data);
} else data->cursor_pos++;
selectEnd(data,oldpos,key);
}
break;
case TCODK_UP :
get_cursor_coords(data,&cx,&cy);
if ( data->multiline && key.shift && data->sel_end == -1) {
data->sel_end = data->cursor_pos;
}
set_cursor_pos(data,cx,cy-1,false);
selectStart(data,oldpos,key);
break;
case TCODK_DOWN :
get_cursor_coords(data,&cx,&cy);
if ( data->multiline && key.shift && data->sel_start == MAX_INT ) {
data->sel_start = data->cursor_pos;
}
set_cursor_pos(data,cx,cy+1,false);
selectEnd(data,oldpos,key);
break;
case TCODK_HOME:
get_cursor_coords(data,&cx,&cy);
if ( data->multiline && key.shift && data->sel_end == -1) {
data->sel_end = data->cursor_pos;
}
if ( key.lctrl || key.rctrl ) {
set_cursor_pos(data,0,0,true);
} else {
set_cursor_pos(data,0,cy,true);
}
selectStart(data,oldpos,key);
break;
case TCODK_END:
get_cursor_coords(data,&cx,&cy);
if ( data->multiline && key.shift && data->sel_start == MAX_INT ) {
data->sel_start = data->cursor_pos;
}
if ( key.lctrl || key.rctrl ) {
set_cursor_pos(data,data->w,data->h,true);
} else {
set_cursor_pos(data,data->w-1,cy,true);
}
selectEnd(data,oldpos,key);
break;
case TCODK_ENTER: /* validate input */
case TCODK_KPENTER:
if ( data->sel_start != MAX_INT ) {
deleteSelection(data);
}
if ( data->multiline ) {
get_cursor_coords(data,&cx,&cy);
if ( cy < data->h-1 ) insertChar(data,'\n');
} else {
data->input_continue = false;
}
break;
case TCODK_TAB :
if (data->tab_size ) {
int count=data->tab_size;
if ( data->sel_start != MAX_INT ) {
deleteSelection(data);
}
while ( count > 0 ) {
insertChar(data,' ');
count--;
}
}
break;
default: { /* append a new character */
if ( (key.c == 'c' || key.c=='C' || key.vk == TCODK_INSERT) && (key.lctrl || key.rctrl) ) {
/* CTRL-C or CTRL-INSERT : copy to clipboard */
copy(data);
} else if ( (key.c == 'x' || key.c=='X') && (key.lctrl || key.rctrl) ) {
/* CTRL-X : cut to clipboard */
cut(data);
} else if ( ((key.c == 'v' || key.c=='V') && (key.lctrl || key.rctrl))
|| ( key.vk == TCODK_INSERT && key.shift )
) {
/* CTRL-V or SHIFT-INSERT : paste from clipboard */
paste(data);
} else if (key.c > 31) {
if ( data->sel_start != MAX_INT ) {
deleteSelection(data);
}
insertChar(data,(char)(key.c));
}
break;
}
}
}
return data->input_continue;
}