Improve drag and drop on 2D viewport

(cherry picked from commit eed9179ea3)
This commit is contained in:
volzhs 2016-10-26 04:27:24 +09:00 committed by Rémi Verschelde
parent 8087be05c7
commit 1038c1f856
3 changed files with 453 additions and 6 deletions

View file

@ -32,13 +32,20 @@
#include "os/keyboard.h"
#include "scene/main/viewport.h"
#include "scene/main/canvas_layer.h"
#include "scene/2d/node_2d.h"
#include "scene/2d/sprite.h"
#include "scene/2d/light_2d.h"
#include "scene/2d/particles_2d.h"
#include "scene/2d/polygon_2d.h"
#include "scene/2d/screen_button.h"
#include "globals.h"
#include "os/input.h"
#include "tools/editor/editor_settings.h"
#include "scene/gui/grid_container.h"
#include "scene/gui/patch_9_frame.h"
#include "tools/editor/animation_editor.h"
#include "tools/editor/plugins/animation_player_editor_plugin.h"
#include "tools/editor/script_editor_debugger.h"
#include "tools/editor/plugins/script_editor_plugin.h"
#include "scene/resources/packed_scene.h"
@ -3279,7 +3286,7 @@ CanvasItemEditor::CanvasItemEditor(EditorNode *p_editor) {
vp->add_child(p_editor->get_scene_root());
viewport = memnew( Control );
viewport = memnew( CanvasItemEditorViewport(p_editor, this) );
vp_base->add_child(viewport);
viewport->set_area_as_parent_rect();
@ -3591,3 +3598,397 @@ CanvasItemEditorPlugin::~CanvasItemEditorPlugin()
}
void CanvasItemEditorViewport::_on_mouse_exit() {
if (selector->is_hidden()){
_remove_preview();
}
}
void CanvasItemEditorViewport::_on_select_type(Object* selected) {
CheckBox* check = selected->cast_to<CheckBox>();
String type = check->get_text();
selector_label->set_text(vformat(TTR("Add %s"),type));
label->set_text(vformat(TTR("Adding %s..."),type));
}
void CanvasItemEditorViewport::_on_change_type() {
CheckBox* check=btn_group->get_pressed_button()->cast_to<CheckBox>();
default_type=check->get_text();
_perform_drop_data();
selector->hide();
}
void CanvasItemEditorViewport::_create_preview(const Vector<String>& files) const {
label->set_pos(get_global_pos()+Point2(14,14));
label_desc->set_pos(label->get_pos()+Point2(0,label->get_size().height));
for (int i=0;i<files.size();i++) {
String path=files[i];
RES res=ResourceLoader::load(path);
String type=res->get_type();
if (type=="ImageTexture" || type=="PackedScene") {
if (type=="ImageTexture") {
Ref<ImageTexture> texture=Ref<ImageTexture> ( ResourceCache::get(path)->cast_to<ImageTexture>() );
Sprite* sprite=memnew(Sprite);
sprite->set_texture(texture);
sprite->set_opacity(0.7f);
preview->add_child(sprite);
label->show();
label_desc->show();
} else if (type=="PackedScene") {
Ref<PackedScene> scn=ResourceLoader::load(path);
if (scn.is_valid()){
Node* instance=scn->instance();
if (instance){
preview->add_child(instance);
}
}
}
editor->get_scene_root()->add_child(preview);
}
}
}
void CanvasItemEditorViewport::_remove_preview() {
if (preview->get_parent()){
editor->get_scene_root()->remove_child(preview);
for (int i=preview->get_child_count()-1;i>=0;i--){
Node* node=preview->get_child(i);
memdelete(node);
}
label->hide();
label_desc->hide();
}
}
bool CanvasItemEditorViewport::_cyclical_dependency_exists(const String& p_target_scene_path, Node* p_desired_node) {
if (p_desired_node->get_filename()==p_target_scene_path) {
return true;
}
int childCount=p_desired_node->get_child_count();
for (int i=0;i<childCount;i++) {
Node* child=p_desired_node->get_child(i);
if(_cyclical_dependency_exists(p_target_scene_path,child)) {
return true;
}
}
return false;
}
void CanvasItemEditorViewport::_create_nodes(Node* parent, Node* child, String& path, const Point2& p_point) {
child->set_name(path.get_file().basename());
Ref<ImageTexture> texture=Ref<ImageTexture> ( ResourceCache::get(path)->cast_to<ImageTexture>() );
Size2 texture_size = texture->get_size();
editor_data->get_undo_redo().add_do_method(parent,"add_child",child);
editor_data->get_undo_redo().add_do_method(child,"set_owner",editor->get_edited_scene());
editor_data->get_undo_redo().add_do_reference(child);
editor_data->get_undo_redo().add_undo_method(parent,"remove_child",child);
String new_name=parent->validate_child_name(child);
ScriptEditorDebugger *sed=ScriptEditor::get_singleton()->get_debugger();
editor_data->get_undo_redo().add_do_method(sed,"live_debug_create_node",editor->get_edited_scene()->get_path_to(parent),child->get_type(),new_name);
editor_data->get_undo_redo().add_undo_method(sed,"live_debug_remove_node",NodePath(String(editor->get_edited_scene()->get_path_to(parent))+"/"+new_name));
// handle with different property for texture
String property = "texture";
List<PropertyInfo> props;
child->get_property_list(&props);
for(const List<PropertyInfo>::Element *E=props.front();E;E=E->next() ) {
if (E->get().name=="config/texture") { // Particles2D
property="config/texture";
break;
} else if (E->get().name=="texture/texture") { // Polygon2D
property="texture/texture";
break;
} else if (E->get().name=="normal") { // TouchScreenButton
property="normal";
break;
}
}
editor_data->get_undo_redo().add_do_property(child,property,texture);
// make visible for certain node type
if (default_type=="Patch9Frame") {
editor_data->get_undo_redo().add_do_property(child,"rect/size",texture_size);
} else if (default_type=="Polygon2D") {
DVector<Vector2> list;
list.push_back(Vector2(0,0));
list.push_back(Vector2(texture_size.width,0));
list.push_back(Vector2(texture_size.width,texture_size.height));
list.push_back(Vector2(0,texture_size.height));
editor_data->get_undo_redo().add_do_property(child,"polygon",list);
}
// locate at preview position
Point2 pos;
if (parent->has_method("get_global_pos")) {
pos=parent->call("get_global_pos");
}
Matrix32 trans=canvas->get_canvas_transform();
Point2 target_pos = (p_point-trans.get_origin())/trans.get_scale().x-pos;
if (default_type=="Polygon2D" || default_type=="TouchScreenButton" || default_type=="TextureFrame" || default_type=="Patch9Frame") {
target_pos -= texture_size/2;
}
editor_data->get_undo_redo().add_do_method(child,"set_pos",target_pos);
}
bool CanvasItemEditorViewport::_create_instance(Node* parent, String& path, const Point2& p_point) {
Ref<PackedScene> sdata=ResourceLoader::load(path);
if (!sdata.is_valid()) { // invalid scene
return false;
}
Node* instanced_scene=sdata->instance(true);
if (!instanced_scene) { // error on instancing
return false;
}
if (editor->get_edited_scene()->get_filename()!="") { // cyclical instancing
if (_cyclical_dependency_exists(editor->get_edited_scene()->get_filename(), instanced_scene)) {
return false;
}
}
instanced_scene->set_filename( Globals::get_singleton()->localize_path(path) );
editor_data->get_undo_redo().add_do_method(parent,"add_child",instanced_scene);
editor_data->get_undo_redo().add_do_method(instanced_scene,"set_owner",editor->get_edited_scene());
editor_data->get_undo_redo().add_do_reference(instanced_scene);
editor_data->get_undo_redo().add_undo_method(parent,"remove_child",instanced_scene);
String new_name=parent->validate_child_name(instanced_scene);
ScriptEditorDebugger *sed=ScriptEditor::get_singleton()->get_debugger();
editor_data->get_undo_redo().add_do_method(sed,"live_debug_instance_node",editor->get_edited_scene()->get_path_to(parent),path,new_name);
editor_data->get_undo_redo().add_undo_method(sed,"live_debug_remove_node",NodePath(String(editor->get_edited_scene()->get_path_to(parent))+"/"+new_name));
Point2 pos;
Node2D* parent_node2d=parent->cast_to<Node2D>();
if (parent_node2d) {
pos=parent_node2d->get_global_pos();
} else {
Control* parent_control=parent->cast_to<Control>();
if (parent_control) {
pos=parent_control->get_global_pos();
}
}
Matrix32 trans=canvas->get_canvas_transform();
editor_data->get_undo_redo().add_do_method(instanced_scene,"set_pos",(p_point-trans.get_origin())/trans.get_scale().x-pos);
return true;
}
void CanvasItemEditorViewport::_perform_drop_data(){
_remove_preview();
Vector<String> error_files;
editor_data->get_undo_redo().create_action(TTR("Create Node"));
for (int i=0;i<selected_files.size();i++) {
String path=selected_files[i];
RES res=ResourceLoader::load(path);
if (res.is_null()) {
continue;
}
String type=res->get_type();
if (type=="ImageTexture") {
Node* child;
if (default_type=="Light2D") child=memnew(Light2D);
else if (default_type=="Particles2D") child=memnew(Particles2D);
else if (default_type=="Polygon2D") child=memnew(Polygon2D);
else if (default_type=="TouchScreenButton") child=memnew(TouchScreenButton);
else if (default_type=="TextureFrame") child=memnew(TextureFrame);
else if (default_type=="Patch9Frame") child=memnew(Patch9Frame);
else child=memnew(Sprite); // default
_create_nodes(target_node, child, path, drop_pos);
} else if (type=="PackedScene") {
bool success=_create_instance(target_node, path, drop_pos);
if (!success) {
error_files.push_back(path);
}
}
}
editor_data->get_undo_redo().commit_action();
if (error_files.size()>0) {
String files_str;
for (int i=0;i<error_files.size();i++) {
files_str += error_files[i].get_file().basename() + ",";
}
files_str=files_str.substr(0,files_str.length()-1);
accept->get_ok()->set_text(TTR("Ugh"));
accept->set_text(vformat(TTR("Error instancing scene from %s"),files_str.c_str()));
accept->popup_centered_minsize();
}
}
bool CanvasItemEditorViewport::can_drop_data(const Point2& p_point,const Variant& p_data) const {
Dictionary d=p_data;
if (d.has("type")) {
if (String(d["type"])=="files") {
Vector<String> files=d["files"];
bool can_instance=false;
for (int i=0;i<files.size();i++) { // check if dragged files contain resource or scene can be created at least one
RES res=ResourceLoader::load(files[i]);
if (res.is_null()) {
continue;
}
String type=res->get_type();
if (type=="PackedScene") {
Ref<PackedScene> sdata=ResourceLoader::load(files[i]);
Node* instanced_scene=sdata->instance(true);
if (!instanced_scene) {
continue;
}
memdelete(instanced_scene);
}
can_instance=true;
break;
}
if (can_instance) {
if (!preview->get_parent()){ // create preview only once
_create_preview(files);
}
Matrix32 trans=canvas->get_canvas_transform();
preview->set_pos((p_point-trans.get_origin())/trans.get_scale().x);
label->set_text(vformat(TTR("Adding %s..."),default_type));
}
return can_instance;
}
}
label->hide();
return false;
}
void CanvasItemEditorViewport::drop_data(const Point2& p_point,const Variant& p_data) {
bool is_shift=Input::get_singleton()->is_key_pressed(KEY_SHIFT);
bool is_alt=Input::get_singleton()->is_key_pressed(KEY_ALT);
selected_files.clear();
Dictionary d=p_data;
if (d.has("type") && String(d["type"])=="files"){
selected_files=d["files"];
}
List<Node*> list=editor->get_editor_selection()->get_selected_node_list();
if (list.size()==0) {
accept->get_ok()->set_text(TTR("OK :("));
accept->set_text(TTR("No parent to instance a child at."));
accept->popup_centered_minsize();
_remove_preview();
return;
}
if (list.size()!=1) {
accept->get_ok()->set_text(TTR("I see.."));
accept->set_text(TTR("This operation requires a single selected node."));
accept->popup_centered_minsize();
_remove_preview();
return;
}
target_node=list[0];
if (is_shift && target_node!=editor->get_edited_scene()) {
target_node=target_node->get_parent();
}
drop_pos=p_point;
if (is_alt) {
List<BaseButton*> btn_list;
btn_group->get_button_list(&btn_list);
for (int i=0;i<btn_list.size();i++) {
CheckBox* check=btn_list[i]->cast_to<CheckBox>();
check->set_pressed(check->get_text()==default_type);
}
selector_label->set_text(vformat(TTR("Add %s"),default_type));
selector->popup_centered_minsize();
} else {
_perform_drop_data();
}
}
void CanvasItemEditorViewport::_notification(int p_what) {
if (p_what==NOTIFICATION_ENTER_TREE) {
connect("mouse_exit",this,"_on_mouse_exit");
} else if (p_what==NOTIFICATION_EXIT_TREE) {
disconnect("mouse_exit",this,"_on_mouse_exit");
}
}
void CanvasItemEditorViewport::_bind_methods() {
ObjectTypeDB::bind_method(_MD("_on_select_type"),&CanvasItemEditorViewport::_on_select_type);
ObjectTypeDB::bind_method(_MD("_on_change_type"),&CanvasItemEditorViewport::_on_change_type);
ObjectTypeDB::bind_method(_MD("_on_mouse_exit"),&CanvasItemEditorViewport::_on_mouse_exit);
}
CanvasItemEditorViewport::CanvasItemEditorViewport(EditorNode *p_node, CanvasItemEditor* p_canvas) {
default_type="Sprite";
// Node2D
types.push_back("Sprite");
types.push_back("Light2D");
types.push_back("Particles2D");
types.push_back("Polygon2D");
types.push_back("TouchScreenButton");
// Control
types.push_back("TextureFrame");
types.push_back("Patch9Frame");
target_node=NULL;
editor=p_node;
editor_data=editor->get_scene_tree_dock()->get_editor_data();
canvas=p_canvas;
preview=memnew( Node2D );
accept=memnew( AcceptDialog );
editor->get_gui_base()->add_child(accept);
selector=memnew( WindowDialog );
selector->set_title(TTR("Change default type"));
VBoxContainer* vbc=memnew(VBoxContainer);
vbc->add_constant_override("separation",10*EDSCALE);
vbc->set_custom_minimum_size(Size2(200,260)*EDSCALE);
selector_label=memnew(Label);
selector_label->set_align(Label::ALIGN_CENTER);
selector_label->set_valign(Label::VALIGN_BOTTOM);
selector_label->set_custom_minimum_size(Size2(0,30)*EDSCALE);
vbc->add_child(selector_label);
btn_group=memnew( ButtonGroup );
btn_group->set_h_size_flags(0);
btn_group->connect("button_selected", this, "_on_select_type");
for (int i=0;i<types.size();i++) {
CheckBox* check=memnew(CheckBox);
check->set_text(types[i]);
btn_group->add_child(check);
}
vbc->add_child(btn_group);
Button* ok=memnew(Button);
ok->set_text(TTR("OK"));
ok->set_h_size_flags(0);
vbc->add_child(ok);
ok->connect("pressed", this, "_on_change_type");
selector->add_child(vbc);
editor->get_gui_base()->add_child(selector);
label=memnew(Label);
label->add_color_override("font_color", Color(1,1,0,1));
label->add_color_override("font_color_shadow", Color(0,0,0,1));
label->add_constant_override("shadow_as_outline", 1*EDSCALE);
label->hide();
editor->get_gui_base()->add_child(label);
label_desc=memnew(Label);
label_desc->set_text(TTR("Drag & drop + Shift : Add node as sibling\nDrag & drop + Alt : Change node type"));
label_desc->add_color_override("font_color", Color(0.6,0.6,0.6,1));
label_desc->add_color_override("font_color_shadow", Color(0.2,0.2,0.2,1));
label_desc->add_constant_override("shadow_as_outline", 1*EDSCALE);
label_desc->add_constant_override("line_spacing", 0);
label_desc->hide();
editor->get_gui_base()->add_child(label_desc);
}

View file

@ -31,17 +31,18 @@
#include "tools/editor/editor_plugin.h"
#include "tools/editor/editor_node.h"
#include "scene/gui/button_group.h"
#include "scene/gui/check_box.h"
#include "scene/gui/label.h"
#include "scene/gui/spin_box.h"
#include "scene/gui/panel_container.h"
#include "scene/gui/box_container.h"
#include "scene/2d/canvas_item.h"
/**
@author Juan Linietsky <reduzio@gmail.com>
*/
class CanvasItemEditorViewport;
class CanvasItemEditorSelectedItem : public Object {
@ -446,4 +447,49 @@ public:
};
class CanvasItemEditorViewport : public VBoxContainer {
OBJ_TYPE( CanvasItemEditorViewport, VBoxContainer );
String default_type;
Vector<String> types;
Vector<String> selected_files;
Node* target_node;
Point2 drop_pos;
EditorNode* editor;
EditorData* editor_data;
CanvasItemEditor* canvas;
Node2D* preview;
AcceptDialog* accept;
WindowDialog* selector;
Label* selector_label;
Label* label;
Label* label_desc;
ButtonGroup* btn_group;
void _on_mouse_exit();
void _on_select_type(Object* selected);
void _on_change_type();
void _create_preview(const Vector<String>& files) const;
void _remove_preview();
bool _cyclical_dependency_exists(const String& p_target_scene_path, Node* p_desired_node);
void _create_nodes(Node* parent, Node* child, String& path, const Point2& p_point);
bool _create_instance(Node* parent, String& path, const Point2& p_point);
void _perform_drop_data();
static void _bind_methods();
protected:
void _notification(int p_what);
public:
virtual bool can_drop_data(const Point2& p_point,const Variant& p_data) const;
virtual void drop_data(const Point2& p_point,const Variant& p_data);
CanvasItemEditorViewport(EditorNode *p_node, CanvasItemEditor* p_canvas);
};
#endif

View file

@ -168,7 +168,7 @@ public:
void fill_path_renames(Node* p_node, Node *p_new_parent, List<Pair<NodePath,NodePath> > *p_renames);
void perform_node_renames(Node* p_base,List<Pair<NodePath,NodePath> > *p_renames, Map<Ref<Animation>, Set<int> > *r_rem_anims=NULL);
SceneTreeEditor *get_tree_editor() { return scene_tree; }
EditorData *get_editor_data() { return editor_data; }
SceneTreeDock(EditorNode *p_editor,Node *p_scene_root,EditorSelection *p_editor_selection,EditorData &p_editor_data);
};