Merge pull request #330 from jonyrock/complex_undo

#298 imp - thanks!!! - hope you tested this well :)
This commit is contained in:
reduz 2014-04-26 09:55:40 -03:00
commit 02669e95a4
2 changed files with 51 additions and 15 deletions

View file

@ -1072,8 +1072,10 @@ void TextEdit::_input_event(const InputEvent& p_input_event) {
cursor_set_line(selection.from_line);
cursor_set_column(selection.from_column);
_begin_compex_operation();
_remove_text(selection.from_line,selection.from_column,selection.to_line,selection.to_column);
_insert_text_at_cursor(txt);
_end_compex_operation();
selection.active=true;
selection.from_column=sel_column;
selection.from_line=sel_line;
@ -1569,8 +1571,6 @@ void TextEdit::_post_shift_selection() {
/**** TEXT EDIT CORE API ****/
void TextEdit::_base_insert_text(int p_line, int p_char,const String& p_text,int &r_end_line,int &r_end_column) {
//save for undo...
@ -1677,14 +1677,12 @@ void TextEdit::_base_remove_text(int p_from_line, int p_from_column,int p_to_lin
void TextEdit::_insert_text(int p_line, int p_char,const String& p_text,int *r_end_line,int *r_end_column) {
if (!setting_text)
idle_detect->start();
if (undo_enabled) {
_clear_redo();
}
@ -2496,7 +2494,7 @@ void TextEdit::_clear_redo() {
void TextEdit::undo() {
_push_current_op();
if (undo_stack_pos==NULL) {
@ -2511,8 +2509,13 @@ void TextEdit::undo() {
else
undo_stack_pos=undo_stack_pos->prev();
_do_text_op( undo_stack_pos->get(),true);
if(undo_stack_pos->get().chain_backward) {
do {
undo_stack_pos = undo_stack_pos->prev();
_do_text_op(undo_stack_pos->get(), true);
} while(!undo_stack_pos->get().chain_forward);
}
cursor_set_line(undo_stack_pos->get().from_line);
cursor_set_column(undo_stack_pos->get().from_column);
@ -2526,8 +2529,13 @@ void TextEdit::redo() {
if (undo_stack_pos==NULL)
return; //nothing to do.
_do_text_op( undo_stack_pos->get(),false);
_do_text_op(undo_stack_pos->get(), false);
if(undo_stack_pos->get().chain_forward) {
do {
undo_stack_pos=undo_stack_pos->next();
_do_text_op(undo_stack_pos->get(), false);
} 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);
undo_stack_pos=undo_stack_pos->next();
@ -2539,20 +2547,43 @@ void TextEdit::clear_undo_history() {
saved_version=0;
current_op.type=TextOperation::TYPE_NONE;
undo_stack_pos=NULL;
undo_stack.clear();;
undo_stack.clear();
}
void TextEdit::_begin_compex_operation() {
_push_current_op();
next_operation_is_complex=true;
}
void TextEdit::_end_compex_operation() {
_push_current_op();
ERR_FAIL_COND(undo_stack.size() == 0);
if(undo_stack.back()->get().chain_forward) {
undo_stack.back()->get().chain_forward=false;
return;
}
undo_stack.back()->get().chain_backward=true;
}
void TextEdit::_push_current_op() {
if (current_op.type==TextOperation::TYPE_NONE)
return; // do nothing
if(next_operation_is_complex) {
current_op.chain_forward=true;
next_operation_is_complex=false;
}
undo_stack.push_back(current_op);
current_op.type=TextOperation::TYPE_NONE;
current_op.text="";
current_op.chain_forward=false;
}
void TextEdit::set_draw_tabs(bool p_draw) {
@ -2957,6 +2988,7 @@ TextEdit::TextEdit() {
completion_line_ofs=0;
tooltip_obj=NULL;
line_numbers=false;
next_operation_is_complex=false;
}
TextEdit::~TextEdit(){

View file

@ -218,6 +218,8 @@ class TextEdit : public Control {
Object *tooltip_obj;
StringName tooltip_func;
Variant tooltip_ud;
bool next_operation_is_complex;
int get_visible_rows() const;
@ -241,11 +243,13 @@ class TextEdit : public Control {
void _update_caches();
void _cursor_changed_emit();
void _text_changed_emit();
void _begin_compex_operation();
void _end_compex_operation();
void _push_current_op();
/* super internal api, undo/redo builds on it */
void _base_insert_text(int p_line, int p_column,const String& p_text,int &r_end_line,int &r_end_column);
String _base_get_text(int p_from_line, int p_from_column,int p_to_line,int p_to_column) const;
void _base_remove_text(int p_from_line, int p_from_column,int p_to_line,int p_to_column);
@ -262,7 +266,7 @@ class TextEdit : public Control {
protected:
virtual String get_tooltip(const Point2& p_pos) const;
void _insert_text(int p_line, int p_column,const String& p_text,int *r_end_line=NULL,int *r_end_char=NULL);
void _remove_text(int p_from_line, int p_from_column,int p_to_line,int p_to_column);
void _insert_text_at_cursor(const String& p_text);