/*
==================
MField_CharEvent
==================
*/
void MField_CharEvent( mfield_t *edit, int ch ) {
int i;
if ( ch == 'v' - 'a' + 1 ) { // ctrl-v is paste
MField_Paste( edit );
return;
}
if ( ch == 'c' - 'a' + 1 ) { // ctrl-c clears the field
MField_Clear( edit );
return;
}
if ( ch == 'h' - 'a' + 1 ) { // ctrl-h is backspace
if ( edit->cursor > 0 ) {
for ( i = edit->cursor; i < edit->len+1; i++ ) {
edit->buffer[i-1] = edit->buffer[i];
}
edit->cursor--;
if ( edit->cursor < edit->scroll )
{
edit->scroll--;
}
edit->len--;
}
return;
}
if ( ch == 'a' - 'a' + 1 ) { // ctrl-a is home
edit->cursor = 0;
edit->scroll = 0;
return;
}
if ( ch == 'e' - 'a' + 1 ) { // ctrl-e is end
edit->cursor = edit->len;
edit->scroll = edit->cursor - edit->widthInChars + 1;
if (edit->scroll < 0)
edit->scroll = 0;
return;
}
//
// ignore any other non printable chars
//
if ( ch < 32 ) {
return;
}
if ( trap_Key_GetOverstrikeMode() ) {
if ((edit->cursor == MAX_EDIT_LINE - 1) || (edit->maxchars && edit->cursor >= edit->maxchars))
return;
} else {
// insert mode
if (( edit->len == MAX_EDIT_LINE - 1 ) || (edit->maxchars && edit->len >= edit->maxchars))
return;
for ( i = edit->len + 1; i >= edit->cursor; i-- ) {
edit->buffer[i+1] = edit->buffer[i];
}
edit->len++;
}
edit->buffer[edit->cursor] = ch;
if (!edit->maxchars || edit->cursor < edit->maxchars-1)
edit->cursor++;
if ( edit->cursor >= edit->widthInChars )
{
edit->scroll++;
}
if ( edit->cursor == edit->len + 1) {
edit->buffer[edit->cursor] = 0;
edit->len++;
}
}
/*
==================
MField_CharEvent
==================
*/
void MField_CharEvent( mfield_t *edit, int ch ) {
int len;
if ( ch == 'v' - 'a' + 1 ) { // ctrl-v is paste
MField_Paste( edit );
return;
}
if ( ch == 'c' - 'a' + 1 ) { // ctrl-c clears the field
MField_Clear( edit );
return;
}
len = strlen( edit->buffer );
if ( ch == 'h' - 'a' + 1 ) { // ctrl-h is backspace
if ( edit->cursor > 0 ) {
memmove( edit->buffer + edit->cursor - 1,
edit->buffer + edit->cursor, len + 1 - edit->cursor );
edit->cursor--;
if ( edit->cursor < edit->scroll )
{
edit->scroll--;
}
}
return;
}
if ( ch == 'a' - 'a' + 1 ) { // ctrl-a is home
edit->cursor = 0;
edit->scroll = 0;
return;
}
if ( ch == 'e' - 'a' + 1 ) { // ctrl-e is end
edit->cursor = len;
edit->scroll = edit->cursor - edit->widthInChars + 1;
if (edit->scroll < 0)
edit->scroll = 0;
return;
}
//
// ignore any other non printable chars
//
if ( ch < 32 ) {
return;
}
if ( !trap_Key_GetOverstrikeMode() ) {
if ((edit->cursor == MAX_EDIT_LINE - 1) || (edit->maxchars && edit->cursor >= edit->maxchars))
return;
} else {
// insert mode
if (( len == MAX_EDIT_LINE - 1 ) || (edit->maxchars && len >= edit->maxchars))
return;
memmove( edit->buffer + edit->cursor + 1, edit->buffer + edit->cursor, len + 1 - edit->cursor );
}
edit->buffer[edit->cursor] = ch;
if (!edit->maxchars || edit->cursor < edit->maxchars-1)
edit->cursor++;
if ( edit->cursor >= edit->widthInChars )
{
edit->scroll++;
}
if ( edit->cursor == len + 1) {
edit->buffer[edit->cursor] = 0;
}
}
/*
=================
MField_KeyDownEvent
Performs the basic line editing functions for the console,
in-game talk, and menu fields
Key events are used for non-printable characters, others are gotten from char events.
=================
*/
void MField_KeyDownEvent( mfield_t *edit, int key ) {
// shift-insert is paste
if ( ( ( key == K_INS ) || ( key == K_KP_INS ) ) && trap_Key_IsDown( K_SHIFT ) ) {
MField_Paste( edit );
return;
}
if ( key == K_DEL || key == K_KP_DEL ) {
int i;
if ( edit->cursor < edit->len ) {
for ( i = edit->cursor; i < edit->len; i++ ) {
edit->buffer[i] = edit->buffer[i+1];
}
edit->len--;
}
return;
}
if ( key == K_RIGHTARROW || key == K_KP_RIGHTARROW )
{
if ( edit->cursor < edit->len ) {
edit->cursor++;
}
if ( edit->cursor >= edit->scroll + edit->widthInChars && edit->cursor <= edit->len )
{
edit->scroll++;
}
return;
}
if ( key == K_LEFTARROW || key == K_KP_LEFTARROW )
{
if ( edit->cursor > 0 ) {
edit->cursor--;
}
if ( edit->cursor < edit->scroll )
{
edit->scroll--;
}
return;
}
if ( key == K_HOME || key == K_KP_HOME || ( tolower(key) == 'a' && trap_Key_IsDown( K_CTRL ) ) ) {
edit->cursor = 0;
edit->scroll = 0;
return;
}
if ( key == K_END || key == K_KP_END || ( tolower(key) == 'e' && trap_Key_IsDown( K_CTRL ) ) ) {
edit->cursor = edit->len;
edit->scroll = edit->len - edit->widthInChars + 1;
if (edit->scroll < 0)
edit->scroll = 0;
return;
}
if ( key == K_INS || key == K_KP_INS ) {
trap_Key_SetOverstrikeMode( !trap_Key_GetOverstrikeMode() );
return;
}
}
/*
=================
MField_KeyDownEvent
Performs the basic line editing functions for the console,
in-game talk, and menu fields
Key events are used for non-printable characters, others are gotten from char events.
=================
*/
void MField_KeyDownEvent( mfield_t *edit, int key )
{
int len;
// shift-insert is paste
if ( ( ( key == K_INS ) || ( key == K_KP_INS ) ) && Key_IsDown( K_SHIFT ) )
{
MField_Paste( edit );
return;
}
len = strlen( edit->buffer );
if ( key == K_DEL || key == K_KP_DEL )
{
if ( edit->cursor < len )
{
memmove( edit->buffer + edit->cursor,
edit->buffer + edit->cursor + 1, len - edit->cursor );
}
return;
}
if ( key == K_RIGHTARROW || key == K_KP_RIGHTARROW )
{
if ( edit->cursor < len )
{
edit->cursor++;
}
if ( edit->cursor >= edit->scroll + edit->widthInChars && edit->cursor <= len )
{
edit->scroll++;
}
return;
}
if ( key == K_LEFTARROW || key == K_KP_LEFTARROW )
{
if ( edit->cursor > 0 )
{
edit->cursor--;
}
if ( edit->cursor < edit->scroll )
{
edit->scroll--;
}
return;
}
if ( key == K_HOME || key == K_KP_HOME || ( tolower(key) == 'a' && Key_IsDown( K_CTRL ) ) )
{
edit->cursor = 0;
edit->scroll = 0;
return;
}
if ( key == K_END || key == K_KP_END || ( tolower(key) == 'e' && Key_IsDown( K_CTRL ) ) )
{
edit->cursor = len;
edit->scroll = len - edit->widthInChars + 1;
if (edit->scroll < 0)
edit->scroll = 0;
return;
}
if ( key == K_INS || key == K_KP_INS )
{
Key_SetOverstrikeMode( !Key_GetOverstrikeMode() );
return;
}
}
