Merge pull request #4040 from SaracenOne/text_editor_undo_fix

Undo and Redo Text Editor Fix
This commit is contained in:
Rémi Verschelde 2016-03-13 23:51:56 +01:00
commit 096667fb57
2 changed files with 19 additions and 6 deletions

View file

@ -2515,6 +2515,7 @@ void TextEdit::_insert_text(int p_line, int p_char,const String& p_text,int *r_e
//see if it shold just be set as current op
if (current_op.type!=op.type) {
op.prev_version = get_version();
_push_current_op();
current_op=op;
@ -2522,6 +2523,7 @@ void TextEdit::_insert_text(int p_line, int p_char,const String& p_text,int *r_e
}
//see if it can be merged
if (current_op.to_line!=p_line || current_op.to_column!=p_char) {
op.prev_version = get_version();
_push_current_op();
current_op=op;
return; //set as current op, return
@ -2565,6 +2567,7 @@ void TextEdit::_remove_text(int p_from_line, int p_from_column,int p_to_line,int
//see if it shold just be set as current op
if (current_op.type!=op.type) {
op.prev_version = get_version();
_push_current_op();
current_op=op;
return; //set as current op, return
@ -2585,6 +2588,7 @@ void TextEdit::_remove_text(int p_from_line, int p_from_column,int p_to_line,int
//return; //update current op
}
op.prev_version = get_version();
_push_current_op();
current_op=op;
@ -3418,11 +3422,15 @@ void TextEdit::undo() {
else
undo_stack_pos=undo_stack_pos->prev();
_do_text_op( undo_stack_pos->get(),true);
TextOperation op = undo_stack_pos->get();
_do_text_op(op, true);
current_op.version=op.prev_version;
if(undo_stack_pos->get().chain_backward) {
do {
undo_stack_pos = undo_stack_pos->prev();
_do_text_op(undo_stack_pos->get(), true);
op = undo_stack_pos->get();
_do_text_op(op, true);
current_op.version = op.prev_version;
} while(!undo_stack_pos->get().chain_forward);
}
@ -3438,15 +3446,19 @@ void TextEdit::redo() {
if (undo_stack_pos==NULL)
return; //nothing to do.
_do_text_op(undo_stack_pos->get(), false);
TextOperation op = undo_stack_pos->get();
_do_text_op(op, false);
current_op.version = op.version;
if(undo_stack_pos->get().chain_forward) {
do {
undo_stack_pos=undo_stack_pos->next();
_do_text_op(undo_stack_pos->get(), false);
op = undo_stack_pos->get();
_do_text_op(op, false);
current_op.version = op.version;
} while(!undo_stack_pos->get().chain_backward);
}
cursor_set_line(undo_stack_pos->get().from_line);
cursor_set_column(undo_stack_pos->get().from_column);
cursor_set_line(undo_stack_pos->get().to_line);
cursor_set_column(undo_stack_pos->get().to_column);
undo_stack_pos=undo_stack_pos->next();
update();
}

View file

@ -156,6 +156,7 @@ class TextEdit : public Control {
int from_line,from_column;
int to_line, to_column;
String text;
uint32_t prev_version;
uint32_t version;
bool chain_forward;
bool chain_backward;