KeyBindingAction abe_find_action ( unsigned int mask, xkb_keysym_t key )
{
KeyBindingAction action;
for ( action = 0; action < NUM_ABE; ++action ) {
if ( abe_test_action ( action, mask, key ) ) {
break;
}
}
return action;
}
// handle a keypress in edit mode
// 2 = nav
// 0 = unhandled
// 1 = handled
// -1 = handled and return pressed (finished)
int textbox_keypress ( textbox *tb, XIC xic, XEvent *ev )
{
KeySym key;
Status stat;
char pad[32];
int len;
if ( !( tb->flags & TB_EDITABLE ) ) {
return 0;
}
len = Xutf8LookupString ( xic, &ev->xkey, pad, sizeof ( pad ), &key, &stat );
pad[len] = 0;
// Left or Ctrl-b
if ( abe_test_action ( MOVE_CHAR_BACK, ev->xkey.state, key ) ) {
textbox_cursor_dec ( tb );
return 2;
}
// Right or Ctrl-F
else if ( abe_test_action ( MOVE_CHAR_FORWARD, ev->xkey.state, key ) ) {
textbox_cursor_inc ( tb );
return 2;
}
// Ctrl-U: Kill from the beginning to the end of the line.
else if ( abe_test_action ( CLEAR_LINE, ev->xkey.state, key ) ) {
textbox_text ( tb, "" );
return 1;
}
// Ctrl-A
else if ( abe_test_action ( MOVE_FRONT, ev->xkey.state, key ) ) {
textbox_cursor ( tb, 0 );
return 2;
}
// Ctrl-E
else if ( abe_test_action ( MOVE_END, ev->xkey.state, key ) ) {
textbox_cursor_end ( tb );
return 2;
}
// Ctrl-Alt-h
else if ( abe_test_action ( REMOVE_WORD_BACK, ev->xkey.state, key ) ) {
textbox_cursor_bkspc_word ( tb );
return 1;
}
// Ctrl-Alt-d
else if ( abe_test_action ( REMOVE_WORD_FORWARD, ev->xkey.state, key ) ) {
textbox_cursor_del_word ( tb );
return 1;
} // Delete or Ctrl-D
else if ( abe_test_action ( REMOVE_CHAR_FORWARD, ev->xkey.state, key ) ) {
textbox_cursor_del ( tb );
return 1;
}
// Alt-B
else if ( abe_test_action ( MOVE_WORD_BACK, ev->xkey.state, key ) ) {
textbox_cursor_dec_word ( tb );
return 2;
}
// Alt-F
else if ( abe_test_action ( MOVE_WORD_FORWARD, ev->xkey.state, key ) ) {
textbox_cursor_inc_word ( tb );
return 2;
}
// BackSpace, Ctrl-h
else if ( abe_test_action ( REMOVE_CHAR_BACK, ev->xkey.state, key ) ) {
textbox_cursor_bkspc ( tb );
return 1;
}
else if ( abe_test_action ( ACCEPT_CUSTOM, ev->xkey.state, key ) ) {
return -2;
}
else if ( abe_test_action ( ACCEPT_ENTRY_CONTINUE, ev->xkey.state, key ) ) {
return -3;
}
else if ( abe_test_action ( ACCEPT_ENTRY, ev->xkey.state, key ) ) {
return -1;
}
else if ( !iscntrl ( *pad ) ) {
textbox_insert ( tb, tb->cursor, pad );
textbox_cursor_inc ( tb );
return 1;
}
return 0;
}
// handle a keypress in edit mode
// 2 = nav
// 0 = unhandled
// 1 = handled
// -1 = handled and return pressed (finished)
int textbox_keypress ( textbox *tb, XEvent *ev, char *pad, KeySym key, Status stat )
{
if ( !( tb->flags & TB_EDITABLE ) ) {
return 0;
}
if ( stat == XLookupKeySym || stat == XLookupBoth ) {
// Left or Ctrl-b
if ( abe_test_action ( MOVE_CHAR_BACK, ev->xkey.state, key ) ) {
textbox_cursor_dec ( tb );
return 2;
}
// Right or Ctrl-F
else if ( abe_test_action ( MOVE_CHAR_FORWARD, ev->xkey.state, key ) ) {
textbox_cursor_inc ( tb );
return 2;
}
// Ctrl-U: Kill from the beginning to the end of the line.
else if ( abe_test_action ( CLEAR_LINE, ev->xkey.state, key ) ) {
textbox_text ( tb, "" );
return 1;
}
// Ctrl-A
else if ( abe_test_action ( MOVE_FRONT, ev->xkey.state, key ) ) {
textbox_cursor ( tb, 0 );
return 2;
}
// Ctrl-E
else if ( abe_test_action ( MOVE_END, ev->xkey.state, key ) ) {
textbox_cursor_end ( tb );
return 2;
}
// Ctrl-Alt-h
else if ( abe_test_action ( REMOVE_WORD_BACK, ev->xkey.state, key ) ) {
textbox_cursor_bkspc_word ( tb );
return 1;
}
// Ctrl-Alt-d
else if ( abe_test_action ( REMOVE_WORD_FORWARD, ev->xkey.state, key ) ) {
textbox_cursor_del_word ( tb );
return 1;
} // Delete or Ctrl-D
else if ( abe_test_action ( REMOVE_CHAR_FORWARD, ev->xkey.state, key ) ) {
textbox_cursor_del ( tb );
return 1;
}
// Alt-B
else if ( abe_test_action ( MOVE_WORD_BACK, ev->xkey.state, key ) ) {
textbox_cursor_dec_word ( tb );
return 2;
}
// Alt-F
else if ( abe_test_action ( MOVE_WORD_FORWARD, ev->xkey.state, key ) ) {
textbox_cursor_inc_word ( tb );
return 2;
}
// BackSpace, Ctrl-h
else if ( abe_test_action ( REMOVE_CHAR_BACK, ev->xkey.state, key ) ) {
textbox_cursor_bkspc ( tb );
return 1;
}
else if ( abe_test_action ( ACCEPT_CUSTOM, ev->xkey.state, key ) ) {
return -2;
}
else if ( abe_test_action ( ACCEPT_ENTRY_CONTINUE, ev->xkey.state, key ) ) {
return -3;
}
else if ( abe_test_action ( ACCEPT_ENTRY, ev->xkey.state, key ) ) {
return -1;
}
}
if ( *pad != 0 && ( stat == XLookupBoth || stat == XLookupChars ) ) {
// Filter When alt/ctrl is pressed do not accept the character.
if ( !g_ascii_iscntrl ( *pad ) ) {
textbox_insert ( tb, tb->cursor, pad );
textbox_cursor_inc ( tb );
return 1;
}
}
return 0;
}
