mirror of
https://github.com/godotengine/godot.git
synced 2024-11-29 23:53:08 +00:00
118eed485e
All usages of "type" to refer to classes were renamed to "class" ClassDB has been exposed to GDScript. OBJ_TYPE() macro is now GDCLASS()
520 lines
13 KiB
C++
520 lines
13 KiB
C++
/*************************************************************************/
|
|
/* undo_redo.cpp */
|
|
/*************************************************************************/
|
|
/* This file is part of: */
|
|
/* GODOT ENGINE */
|
|
/* http://www.godotengine.org */
|
|
/*************************************************************************/
|
|
/* Copyright (c) 2007-2017 Juan Linietsky, Ariel Manzur. */
|
|
/* */
|
|
/* Permission is hereby granted, free of charge, to any person obtaining */
|
|
/* a copy of this software and associated documentation files (the */
|
|
/* "Software"), to deal in the Software without restriction, including */
|
|
/* without limitation the rights to use, copy, modify, merge, publish, */
|
|
/* distribute, sublicense, and/or sell copies of the Software, and to */
|
|
/* permit persons to whom the Software is furnished to do so, subject to */
|
|
/* the following conditions: */
|
|
/* */
|
|
/* The above copyright notice and this permission notice shall be */
|
|
/* included in all copies or substantial portions of the Software. */
|
|
/* */
|
|
/* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, */
|
|
/* EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF */
|
|
/* MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT.*/
|
|
/* IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY */
|
|
/* CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, */
|
|
/* TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE */
|
|
/* SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE. */
|
|
/*************************************************************************/
|
|
#include "undo_redo.h"
|
|
|
|
|
|
void UndoRedo::_discard_redo() {
|
|
|
|
if (current_action==actions.size()-1)
|
|
return;
|
|
|
|
for(int i=current_action+1;i<actions.size();i++) {
|
|
|
|
for (List<Operation>::Element *E=actions[i].do_ops.front();E;E=E->next()) {
|
|
|
|
if (E->get().type==Operation::TYPE_REFERENCE) {
|
|
|
|
Object *obj = ObjectDB::get_instance(E->get().object);
|
|
if (obj)
|
|
memdelete(obj);
|
|
}
|
|
}
|
|
//ERASE do data
|
|
}
|
|
|
|
actions.resize(current_action+1);
|
|
|
|
}
|
|
|
|
void UndoRedo::create_action(const String& p_name,MergeMode p_mode) {
|
|
|
|
if (action_level==0) {
|
|
|
|
_discard_redo();
|
|
|
|
// Check if the merge operation is valid
|
|
if (p_mode!=MERGE_DISABLE && actions.size() && actions[actions.size()-1].name==p_name) {
|
|
|
|
current_action=actions.size()-2;
|
|
|
|
if (p_mode==MERGE_ENDS) {
|
|
|
|
// Clear all do ops from last action, and delete all object references
|
|
List<Operation>::Element *E=actions[current_action+1].do_ops.front();
|
|
|
|
while (E) {
|
|
|
|
if (E->get().type==Operation::TYPE_REFERENCE) {
|
|
|
|
Object *obj=ObjectDB::get_instance(E->get().object);
|
|
|
|
if (obj)
|
|
memdelete(obj);
|
|
}
|
|
|
|
E=E->next();
|
|
actions[current_action+1].do_ops.pop_front();
|
|
}
|
|
}
|
|
|
|
merge_mode=p_mode;
|
|
|
|
} else {
|
|
|
|
Action new_action;
|
|
new_action.name=p_name;
|
|
actions.push_back(new_action);
|
|
|
|
merge_mode=MERGE_DISABLE;
|
|
}
|
|
}
|
|
|
|
action_level++;
|
|
}
|
|
|
|
void UndoRedo::add_do_method(Object *p_object,const String& p_method,VARIANT_ARG_DECLARE) {
|
|
|
|
VARIANT_ARGPTRS
|
|
ERR_FAIL_COND(action_level<=0);
|
|
ERR_FAIL_COND((current_action+1)>=actions.size());
|
|
Operation do_op;
|
|
do_op.object=p_object->get_instance_ID();
|
|
if (p_object->cast_to<Resource>())
|
|
do_op.resref=Ref<Resource>(p_object->cast_to<Resource>());
|
|
|
|
do_op.type=Operation::TYPE_METHOD;
|
|
do_op.name=p_method;
|
|
|
|
for(int i=0;i<VARIANT_ARG_MAX;i++) {
|
|
do_op.args[i]=*argptr[i];
|
|
}
|
|
actions[current_action+1].do_ops.push_back(do_op);
|
|
}
|
|
|
|
void UndoRedo::add_undo_method(Object *p_object,const String& p_method,VARIANT_ARG_DECLARE) {
|
|
|
|
VARIANT_ARGPTRS
|
|
ERR_FAIL_COND(action_level<=0);
|
|
ERR_FAIL_COND((current_action+1)>=actions.size());
|
|
|
|
// No undo if the merge mode is MERGE_ENDS
|
|
if (merge_mode==MERGE_ENDS)
|
|
return;
|
|
|
|
Operation undo_op;
|
|
undo_op.object=p_object->get_instance_ID();
|
|
if (p_object->cast_to<Resource>())
|
|
undo_op.resref=Ref<Resource>(p_object->cast_to<Resource>());
|
|
|
|
undo_op.type=Operation::TYPE_METHOD;
|
|
undo_op.name=p_method;
|
|
|
|
for(int i=0;i<VARIANT_ARG_MAX;i++) {
|
|
undo_op.args[i]=*argptr[i];
|
|
}
|
|
actions[current_action+1].undo_ops.push_back(undo_op);
|
|
|
|
}
|
|
void UndoRedo::add_do_property(Object *p_object,const String& p_property,const Variant& p_value) {
|
|
|
|
ERR_FAIL_COND(action_level<=0);
|
|
ERR_FAIL_COND((current_action+1)>=actions.size());
|
|
Operation do_op;
|
|
do_op.object=p_object->get_instance_ID();
|
|
if (p_object->cast_to<Resource>())
|
|
do_op.resref=Ref<Resource>(p_object->cast_to<Resource>());
|
|
|
|
do_op.type=Operation::TYPE_PROPERTY;
|
|
do_op.name=p_property;
|
|
do_op.args[0]=p_value;
|
|
actions[current_action+1].do_ops.push_back(do_op);
|
|
|
|
}
|
|
void UndoRedo::add_undo_property(Object *p_object,const String& p_property,const Variant& p_value) {
|
|
|
|
ERR_FAIL_COND(action_level<=0);
|
|
ERR_FAIL_COND((current_action+1)>=actions.size());
|
|
|
|
// No undo if the merge mode is MERGE_ENDS
|
|
if (merge_mode==MERGE_ENDS)
|
|
return;
|
|
|
|
Operation undo_op;
|
|
undo_op.object=p_object->get_instance_ID();
|
|
if (p_object->cast_to<Resource>())
|
|
undo_op.resref=Ref<Resource>(p_object->cast_to<Resource>());
|
|
|
|
undo_op.type=Operation::TYPE_PROPERTY;
|
|
undo_op.name=p_property;
|
|
undo_op.args[0]=p_value;
|
|
actions[current_action+1].undo_ops.push_back(undo_op);
|
|
|
|
}
|
|
void UndoRedo::add_do_reference(Object *p_object) {
|
|
|
|
ERR_FAIL_COND(action_level<=0);
|
|
ERR_FAIL_COND((current_action+1)>=actions.size());
|
|
Operation do_op;
|
|
do_op.object=p_object->get_instance_ID();
|
|
if (p_object->cast_to<Resource>())
|
|
do_op.resref=Ref<Resource>(p_object->cast_to<Resource>());
|
|
|
|
do_op.type=Operation::TYPE_REFERENCE;
|
|
actions[current_action+1].do_ops.push_back(do_op);
|
|
|
|
}
|
|
void UndoRedo::add_undo_reference(Object *p_object) {
|
|
|
|
ERR_FAIL_COND(action_level<=0);
|
|
ERR_FAIL_COND((current_action+1)>=actions.size());
|
|
|
|
// No undo if the merge mode is MERGE_ENDS
|
|
if (merge_mode==MERGE_ENDS)
|
|
return;
|
|
|
|
Operation undo_op;
|
|
undo_op.object=p_object->get_instance_ID();
|
|
if (p_object->cast_to<Resource>())
|
|
undo_op.resref=Ref<Resource>(p_object->cast_to<Resource>());
|
|
|
|
undo_op.type=Operation::TYPE_REFERENCE;
|
|
actions[current_action+1].undo_ops.push_back(undo_op);
|
|
|
|
}
|
|
|
|
void UndoRedo::_pop_history_tail() {
|
|
|
|
_discard_redo();
|
|
|
|
if (!actions.size())
|
|
return;
|
|
|
|
for (List<Operation>::Element *E=actions[0].undo_ops.front();E;E=E->next()) {
|
|
|
|
if (E->get().type==Operation::TYPE_REFERENCE) {
|
|
|
|
Object *obj = ObjectDB::get_instance(E->get().object);
|
|
if (obj)
|
|
memdelete(obj);
|
|
}
|
|
}
|
|
|
|
actions.remove(0);
|
|
current_action--;
|
|
}
|
|
|
|
void UndoRedo::commit_action() {
|
|
|
|
ERR_FAIL_COND(action_level<=0);
|
|
action_level--;
|
|
if (action_level>0)
|
|
return; //still nested
|
|
|
|
redo(); // perform action
|
|
|
|
if (max_steps>0 && actions.size()>max_steps) {
|
|
//clear early steps
|
|
|
|
while(actions.size() > max_steps)
|
|
_pop_history_tail();
|
|
|
|
}
|
|
|
|
if (callback && actions.size()>0) {
|
|
callback(callback_ud,actions[actions.size()-1].name);
|
|
}
|
|
}
|
|
|
|
|
|
void UndoRedo::_process_operation_list(List<Operation>::Element *E) {
|
|
|
|
for (;E;E=E->next()) {
|
|
|
|
Operation &op=E->get();
|
|
|
|
Object *obj = ObjectDB::get_instance(op.object);
|
|
if (!obj) {
|
|
//corruption
|
|
clear_history();
|
|
ERR_FAIL_COND(!obj);
|
|
|
|
}
|
|
|
|
switch(op.type) {
|
|
|
|
case Operation::TYPE_METHOD: {
|
|
|
|
obj->call(op.name,VARIANT_ARGS_FROM_ARRAY(op.args));
|
|
#ifdef TOOLS_ENABLED
|
|
Resource* res = obj->cast_to<Resource>();
|
|
if (res)
|
|
res->set_edited(true);
|
|
|
|
#endif
|
|
|
|
if (method_callback) {
|
|
method_callback(method_callbck_ud,obj,op.name,VARIANT_ARGS_FROM_ARRAY(op.args));
|
|
}
|
|
} break;
|
|
case Operation::TYPE_PROPERTY: {
|
|
|
|
obj->set(op.name,op.args[0]);
|
|
#ifdef TOOLS_ENABLED
|
|
Resource* res = obj->cast_to<Resource>();
|
|
if (res)
|
|
res->set_edited(true);
|
|
#endif
|
|
if (property_callback) {
|
|
property_callback(prop_callback_ud,obj,op.name,op.args[0]);
|
|
}
|
|
} break;
|
|
case Operation::TYPE_REFERENCE: {
|
|
//do nothing
|
|
} break;
|
|
|
|
}
|
|
}
|
|
}
|
|
|
|
void UndoRedo::redo() {
|
|
|
|
ERR_FAIL_COND(action_level>0);
|
|
|
|
if ((current_action+1)>=actions.size())
|
|
return; //nothing to redo
|
|
current_action++;
|
|
|
|
_process_operation_list(actions[current_action].do_ops.front());
|
|
version++;
|
|
}
|
|
|
|
void UndoRedo::undo() {
|
|
|
|
ERR_FAIL_COND(action_level>0);
|
|
if (current_action<0)
|
|
return; //nothing to redo
|
|
_process_operation_list(actions[current_action].undo_ops.front());
|
|
current_action--;
|
|
version--;
|
|
}
|
|
|
|
void UndoRedo::clear_history() {
|
|
|
|
ERR_FAIL_COND(action_level>0);
|
|
_discard_redo();
|
|
|
|
while(actions.size())
|
|
_pop_history_tail();
|
|
|
|
//version++;
|
|
}
|
|
|
|
String UndoRedo::get_current_action_name() const {
|
|
|
|
ERR_FAIL_COND_V(action_level>0,"");
|
|
if (current_action<0)
|
|
return ""; //nothing to redo
|
|
return actions[current_action].name;
|
|
}
|
|
|
|
void UndoRedo::set_max_steps(int p_max_steps) {
|
|
|
|
max_steps=p_max_steps;
|
|
}
|
|
|
|
int UndoRedo::get_max_steps() const {
|
|
|
|
return max_steps;
|
|
}
|
|
|
|
uint64_t UndoRedo::get_version() const {
|
|
|
|
return version;
|
|
}
|
|
|
|
void UndoRedo::set_commit_notify_callback(CommitNotifyCallback p_callback,void* p_ud) {
|
|
|
|
callback=p_callback;
|
|
callback_ud=p_ud;
|
|
}
|
|
|
|
void UndoRedo::set_method_notify_callback(MethodNotifyCallback p_method_callback,void* p_ud) {
|
|
|
|
method_callback=p_method_callback;
|
|
method_callbck_ud=p_ud;
|
|
}
|
|
|
|
void UndoRedo::set_property_notify_callback(PropertyNotifyCallback p_property_callback,void* p_ud){
|
|
|
|
property_callback=p_property_callback;
|
|
prop_callback_ud=p_ud;
|
|
}
|
|
|
|
|
|
UndoRedo::UndoRedo() {
|
|
|
|
version=1;
|
|
action_level=0;
|
|
current_action=-1;
|
|
max_steps=-1;
|
|
merge_mode=MERGE_DISABLE;
|
|
callback=NULL;
|
|
callback_ud=NULL;
|
|
|
|
method_callbck_ud=NULL;
|
|
prop_callback_ud=NULL;
|
|
method_callback=NULL;
|
|
property_callback=NULL;
|
|
|
|
}
|
|
|
|
UndoRedo::~UndoRedo() {
|
|
|
|
clear_history();
|
|
}
|
|
|
|
Variant UndoRedo::_add_do_method(const Variant** p_args, int p_argcount, Variant::CallError& r_error) {
|
|
|
|
if (p_argcount<2) {
|
|
r_error.error=Variant::CallError::CALL_ERROR_TOO_FEW_ARGUMENTS;
|
|
r_error.argument=0;
|
|
return Variant();
|
|
}
|
|
|
|
if (p_args[0]->get_type()!=Variant::OBJECT) {
|
|
r_error.error=Variant::CallError::CALL_ERROR_INVALID_ARGUMENT;
|
|
r_error.argument=0;
|
|
r_error.expected=Variant::OBJECT;
|
|
return Variant();
|
|
}
|
|
|
|
if (p_args[1]->get_type()!=Variant::STRING) {
|
|
r_error.error=Variant::CallError::CALL_ERROR_INVALID_ARGUMENT;
|
|
r_error.argument=1;
|
|
r_error.expected=Variant::STRING;
|
|
return Variant();
|
|
}
|
|
|
|
r_error.error=Variant::CallError::CALL_OK;
|
|
|
|
Object* object = *p_args[0];
|
|
String method = *p_args[1];
|
|
|
|
Variant v[VARIANT_ARG_MAX];
|
|
|
|
|
|
for(int i=0;i<MIN(VARIANT_ARG_MAX,p_argcount-2);++i) {
|
|
|
|
v[i]=*p_args[i+2];
|
|
}
|
|
|
|
add_do_method(object,method,v[0],v[1],v[2],v[3],v[4]);
|
|
return Variant();
|
|
}
|
|
|
|
Variant UndoRedo::_add_undo_method(const Variant** p_args, int p_argcount, Variant::CallError& r_error) {
|
|
|
|
if (p_argcount<2) {
|
|
r_error.error=Variant::CallError::CALL_ERROR_TOO_FEW_ARGUMENTS;
|
|
r_error.argument=0;
|
|
return Variant();
|
|
}
|
|
|
|
if (p_args[0]->get_type()!=Variant::OBJECT) {
|
|
r_error.error=Variant::CallError::CALL_ERROR_INVALID_ARGUMENT;
|
|
r_error.argument=0;
|
|
r_error.expected=Variant::OBJECT;
|
|
return Variant();
|
|
}
|
|
|
|
if (p_args[1]->get_type()!=Variant::STRING) {
|
|
r_error.error=Variant::CallError::CALL_ERROR_INVALID_ARGUMENT;
|
|
r_error.argument=1;
|
|
r_error.expected=Variant::STRING;
|
|
return Variant();
|
|
}
|
|
|
|
r_error.error=Variant::CallError::CALL_OK;
|
|
|
|
Object* object = *p_args[0];
|
|
String method = *p_args[1];
|
|
|
|
Variant v[VARIANT_ARG_MAX];
|
|
|
|
|
|
for(int i=0;i<MIN(VARIANT_ARG_MAX,p_argcount-2);++i) {
|
|
|
|
v[i]=*p_args[i+2];
|
|
}
|
|
|
|
add_undo_method(object,method,v[0],v[1],v[2],v[3],v[4]);
|
|
return Variant();
|
|
}
|
|
|
|
void UndoRedo::_bind_methods() {
|
|
|
|
ClassDB::bind_method(_MD("create_action","name","merge_mode"),&UndoRedo::create_action, DEFVAL(MERGE_DISABLE) );
|
|
ClassDB::bind_method(_MD("commit_action"),&UndoRedo::commit_action);
|
|
|
|
//ClassDB::bind_method(_MD("add_do_method","p_object", "p_method", "VARIANT_ARG_LIST"),&UndoRedo::add_do_method);
|
|
//ClassDB::bind_method(_MD("add_undo_method","p_object", "p_method", "VARIANT_ARG_LIST"),&UndoRedo::add_undo_method);
|
|
|
|
{
|
|
MethodInfo mi;
|
|
mi.name="add_do_method";
|
|
mi.arguments.push_back( PropertyInfo( Variant::OBJECT, "object"));
|
|
mi.arguments.push_back( PropertyInfo( Variant::STRING, "method"));
|
|
|
|
|
|
ClassDB::bind_vararg_method(METHOD_FLAGS_DEFAULT,"add_do_method",&UndoRedo::_add_do_method,mi);
|
|
}
|
|
|
|
{
|
|
MethodInfo mi;
|
|
mi.name="add_undo_method";
|
|
mi.arguments.push_back( PropertyInfo( Variant::OBJECT, "object"));
|
|
mi.arguments.push_back( PropertyInfo( Variant::STRING, "method"));
|
|
|
|
|
|
ClassDB::bind_vararg_method(METHOD_FLAGS_DEFAULT,"add_undo_method",&UndoRedo::_add_undo_method,mi);
|
|
}
|
|
|
|
ClassDB::bind_method(_MD("add_do_property","object", "property", "value:Variant"),&UndoRedo::add_do_property);
|
|
ClassDB::bind_method(_MD("add_undo_property","object", "property", "value:Variant"),&UndoRedo::add_undo_property);
|
|
ClassDB::bind_method(_MD("add_do_reference","object"),&UndoRedo::add_do_reference);
|
|
ClassDB::bind_method(_MD("add_undo_reference","object"),&UndoRedo::add_undo_reference);
|
|
ClassDB::bind_method(_MD("clear_history"),&UndoRedo::clear_history);
|
|
ClassDB::bind_method(_MD("get_current_action_name"),&UndoRedo::get_current_action_name);
|
|
ClassDB::bind_method(_MD("get_version"),&UndoRedo::get_version);
|
|
|
|
BIND_CONSTANT(MERGE_DISABLE);
|
|
BIND_CONSTANT(MERGE_ENDS);
|
|
BIND_CONSTANT(MERGE_ALL);
|
|
}
|