/*************************************************************************/ /* popup_menu.cpp */ /*************************************************************************/ /* This file is part of: */ /* GODOT ENGINE */ /* http://www.godotengine.org */ /*************************************************************************/ /* Copyright (c) 2007-2014 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 "popup_menu.h" #include "print_string.h" #include "os/keyboard.h" #include "translation.h" String PopupMenu::_get_accel_text(uint32_t p_accel) const { return keycode_get_string(p_accel); /* String atxt; if (p_accel&KEY_MASK_SHIFT) atxt+="Shift+"; if (p_accel&KEY_MASK_ALT) atxt+="Alt+"; if (p_accel&KEY_MASK_CTRL) atxt+="Ctrl+"; if (p_accel&KEY_MASK_META) atxt+="Meta+"; p_accel&=KEY_CODE_MASK; atxt+=String::chr(p_accel).to_upper(); return atxt; */ } Size2 PopupMenu::get_minimum_size() const { int vseparation = get_constant("vseparation"); int hseparation = get_constant("hseparation"); Size2 minsize = get_stylebox("panel")->get_minimum_size(); Ref<Font> font = get_font("font"); float max_w=0; int font_h = font->get_height(); int check_w = get_icon("checked")->get_width(); int accel_max_w=0; for (int i=0;i<items.size();i++) { Size2 size; if (!items[i].icon.is_null()) { Size2 icon_size = items[i].icon->get_size(); size.height = MAX( icon_size.height, font_h ); size.width+=icon_size.width; size.width+=hseparation; } else { size.height=font_h; } if (items[i].checkable) { size.width+=check_w+hseparation; } size.width+=font->get_string_size(items[i].text).width; if (i>0) size.height+=vseparation; if (items[i].accel) { int accel_w = hseparation*2; accel_w+=font->get_string_size(_get_accel_text(items[i].accel)).width; accel_max_w = MAX( accel_w, accel_max_w ); } minsize.height+=size.height; max_w = MAX( max_w, size.width ); } minsize.width+=max_w+accel_max_w; return minsize; } int PopupMenu::_get_mouse_over(const Point2& p_over) const { if (p_over.x<0 || p_over.x>=get_size().width) return -1; Ref<StyleBox> style = get_stylebox("panel"); Point2 ofs=style->get_offset(); if (ofs.y>p_over.y) return -1; Ref<Font> font = get_font("font"); int vseparation = get_constant("vseparation"); // int hseparation = get_constant("hseparation"); float font_h=font->get_height(); for (int i=0;i<items.size();i++) { if (i>0) ofs.y+=vseparation; float h; if (!items[i].icon.is_null()) { Size2 icon_size = items[i].icon->get_size(); h = MAX( icon_size.height, font_h ); } else { h=font_h; } ofs.y+=h; if (p_over.y < ofs.y) { return i; } } return -1; } void PopupMenu::_activate_submenu(int over) { Node* n = get_node(items[over].submenu); ERR_EXPLAIN("item subnode does not exist: "+items[over].submenu); ERR_FAIL_COND(!n); Popup *pm = n->cast_to<Popup>(); ERR_EXPLAIN("item subnode is not a Popup: "+items[over].submenu); ERR_FAIL_COND(!pm); if (pm->is_visible()) return; //already visible! Point2 p = get_global_pos(); Rect2 pr(p,get_size()); Ref<StyleBox> style = get_stylebox("panel"); pm->set_pos(p+Point2(get_size().width,items[over]._ofs_cache-style->get_offset().y)); pm->popup(); PopupMenu *pum = pm->cast_to<PopupMenu>(); if (pum) { pr.pos-=pum->get_global_pos(); pum->clear_autohide_areas(); pum->add_autohide_area(Rect2(pr.pos.x,pr.pos.y,pr.size.x,items[over]._ofs_cache)); if (over<items.size()-1) { int from = items[over+1]._ofs_cache; pum->add_autohide_area(Rect2(pr.pos.x,pr.pos.y+from,pr.size.x,pr.size.y-from)); } } } void PopupMenu::_submenu_timeout() { if (mouse_over==submenu_over) { _activate_submenu(mouse_over); submenu_over=-1; } } void PopupMenu::_input_event(const InputEvent &p_event) { switch( p_event.type) { case InputEvent::KEY: { if (!p_event.key.pressed) break; switch(p_event.key.scancode) { case KEY_DOWN: { for(int i=mouse_over+1;i<items.size();i++) { if (i<0 || i>=items.size()) continue; if (!items[i].separator && !items[i].disabled) { mouse_over=i; update(); break; } } } break; case KEY_UP: { for(int i=mouse_over-1;i>=0;i--) { if (i<0 || i>=items.size()) continue; if (!items[i].separator && !items[i].disabled) { mouse_over=i; update(); break; } } } break; case KEY_RETURN: case KEY_ENTER: { if (mouse_over>=0 && mouse_over<items.size() && !items[mouse_over].separator) { activate_item(mouse_over); } } break; } } break; case InputEvent::MOUSE_BUTTON: { const InputEventMouseButton &b=p_event.mouse_button; if (b.pressed) break; switch(b.button_index) { case BUTTON_WHEEL_DOWN: { if (get_global_pos().y + get_size().y > get_viewport_rect().size.y) { int vseparation = get_constant("vseparation"); Ref<Font> font = get_font("font"); Point2 pos = get_pos(); int s = (vseparation+font->get_height())*3; pos.y-=s; set_pos(pos); //update hover InputEvent ie; ie.type=InputEvent::MOUSE_MOTION; ie.mouse_motion.x=b.x; ie.mouse_motion.y=b.y+s; _input_event(ie); } } break; case BUTTON_WHEEL_UP: { if (get_global_pos().y < 0) { int vseparation = get_constant("vseparation"); Ref<Font> font = get_font("font"); Point2 pos = get_pos(); int s = (vseparation+font->get_height())*3; pos.y+=s; set_pos(pos); //update hover InputEvent ie; ie.type=InputEvent::MOUSE_MOTION; ie.mouse_motion.x=b.x; ie.mouse_motion.y=b.y-s; _input_event(ie); } } break; case BUTTON_LEFT: { int over=_get_mouse_over(Point2(b.x,b.y)); if (over<0 || items[over].separator || items[over].disabled) break; //non-activable if (items[over].submenu!="") { _activate_submenu(over); return; } activate_item(over); } break; } //update(); } break; case InputEvent::MOUSE_MOTION: { const InputEventMouseMotion &m=p_event.mouse_motion; for(List<Rect2>::Element *E=autohide_areas.front();E;E=E->next()) { if (!Rect2(Point2(),get_size()).has_point(Point2(m.x,m.y)) && E->get().has_point(Point2(m.x,m.y))) { call_deferred("hide"); return; } } int over=_get_mouse_over(Point2(m.x,m.y)); int id = (over<0 || items[over].separator || items[over].disabled)?-1:items[over].ID; if (id<0) break; if (items[over].submenu!="" && submenu_over!=over) { submenu_over=over; submenu_timer->start(); } if (over!=mouse_over) { mouse_over=over; update(); } } break; } } bool PopupMenu::has_point(const Point2& p_point) const { if (parent_rect.has_point(p_point)) return true; for(const List<Rect2>::Element *E=autohide_areas.front();E;E=E->next()) { if (E->get().has_point(p_point)) return true; } return Control::has_point(p_point); } void PopupMenu::_notification(int p_what) { switch(p_what) { case NOTIFICATION_DRAW: { RID ci = get_canvas_item(); Size2 size=get_size(); Ref<StyleBox> style = get_stylebox("panel"); Ref<StyleBox> hover = get_stylebox("hover"); Ref<Font> font = get_font("font"); Ref<Texture> check = get_icon("checked"); Ref<Texture> uncheck = get_icon("unchecked"); Ref<Texture> submenu= get_icon("submenu"); Ref<StyleBox> separator = get_stylebox("separator"); style->draw( ci, Rect2( Point2(), get_size() ) ); Point2 ofs=style->get_offset(); int vseparation = get_constant("vseparation"); int hseparation = get_constant("hseparation"); Color font_color = get_color("font_color"); Color font_color_disabled = get_color("font_color_disabled"); Color font_color_accel = get_color("font_color_accel"); Color font_color_hover = get_color("font_color_hover"); float font_h=font->get_height(); for (int i=0;i<items.size();i++) { if (i>0) ofs.y+=vseparation; Point2 item_ofs=ofs; float h; Size2 icon_size; if (!items[i].icon.is_null()) { icon_size = items[i].icon->get_size(); h = MAX( icon_size.height, font_h ); } else { h=font_h; } if (i==mouse_over) { hover->draw(ci, Rect2( ofs+Point2(-hseparation,-vseparation), Size2( get_size().width - style->get_minimum_size().width + hseparation*2, h+vseparation*2 ) )); } if (items[i].separator) { int sep_h=separator->get_center_size().height+separator->get_minimum_size().height; separator->draw(ci, Rect2( ofs+Point2(0,Math::floor((h-sep_h)/2.0)), Size2( get_size().width - style->get_minimum_size().width , sep_h ) )); } if (items[i].checkable) { if (items[i].checked) check->draw(ci, item_ofs+Point2(0,Math::floor((h-check->get_height())/2.0))); else uncheck->draw(ci, item_ofs+Point2(0,Math::floor((h-check->get_height())/2.0))); item_ofs.x+=check->get_width()+hseparation; } if (!items[i].icon.is_null()) { items[i].icon->draw( ci, item_ofs+Point2(0,Math::floor((h-icon_size.height)/2.0))); item_ofs.x+=items[i].icon->get_width(); item_ofs.x+=hseparation; } if (items[i].submenu!="") { submenu->draw( ci, Point2(size.width - style->get_margin(MARGIN_RIGHT) - submenu->get_width(),item_ofs.y+Math::floor(h-submenu->get_height())/2)); } item_ofs.y+=font->get_ascent(); if (!items[i].separator) font->draw(ci,item_ofs+Point2(0,Math::floor((h-font_h)/2.0)),items[i].text,items[i].disabled?font_color_disabled:(i==mouse_over?font_color_hover:font_color)); if (items[i].accel) { //accelerator String text = _get_accel_text(items[i].accel); item_ofs.x=size.width-style->get_margin(MARGIN_RIGHT)-font->get_string_size(text).width; font->draw(ci,item_ofs+Point2(0,Math::floor((h-font_h)/2.0)),text,i==mouse_over?font_color_hover:font_color_accel); } items[i]._ofs_cache=ofs.y; ofs.y+=h; } } break; case NOTIFICATION_MOUSE_ENTER: { grab_focus(); } break; case NOTIFICATION_MOUSE_EXIT: { if (mouse_over>=0) { mouse_over=-1; update(); } } break; } } void PopupMenu::add_icon_item(const Ref<Texture>& p_icon,const String& p_label,int p_ID,uint32_t p_accel) { Item item; item.icon=p_icon; item.text=p_label; item.accel=p_accel; item.ID=(p_ID<0)?idcount++:p_ID; items.push_back(item); update(); } void PopupMenu::add_item(const String& p_label,int p_ID,uint32_t p_accel) { Item item; item.text=XL_MESSAGE(p_label); item.accel=p_accel; item.ID=(p_ID<0)?idcount++:p_ID; items.push_back(item); update(); } void PopupMenu::add_submenu_item(const String& p_label, const String& p_submenu,int p_ID){ Item item; item.text=XL_MESSAGE(p_label); item.ID=(p_ID<0)?idcount++:p_ID; item.submenu=p_submenu; items.push_back(item); update(); } void PopupMenu::add_icon_check_item(const Ref<Texture>& p_icon,const String& p_label,int p_ID,uint32_t p_accel) { Item item; item.icon=p_icon; item.text=XL_MESSAGE(p_label); item.accel=p_accel; item.ID=(p_ID<0)?idcount++:p_ID; item.checkable=true; items.push_back(item); update(); } void PopupMenu::add_check_item(const String& p_label,int p_ID,uint32_t p_accel) { Item item; item.text=XL_MESSAGE(p_label); item.accel=p_accel; item.ID=(p_ID<0)?idcount++:p_ID; item.checkable=true; items.push_back(item); update(); } void PopupMenu::set_item_text(int p_idx,const String& p_text) { ERR_FAIL_INDEX(p_idx,items.size()); items[p_idx].text=XL_MESSAGE(p_text); update(); } void PopupMenu::set_item_icon(int p_idx,const Ref<Texture>& p_icon) { ERR_FAIL_INDEX(p_idx,items.size()); items[p_idx].icon=p_icon; update(); } void PopupMenu::set_item_checked(int p_idx,bool p_checked) { ERR_FAIL_INDEX(p_idx,items.size()); items[p_idx].checked=p_checked; update(); } void PopupMenu::set_item_ID(int p_idx,int p_ID) { ERR_FAIL_INDEX(p_idx,items.size()); items[p_idx].ID=p_ID; update(); } void PopupMenu::set_item_accelerator(int p_idx,uint32_t p_accel) { ERR_FAIL_INDEX(p_idx,items.size()); items[p_idx].accel=p_accel; update(); } void PopupMenu::set_item_metadata(int p_idx,const Variant& p_meta) { ERR_FAIL_INDEX(p_idx,items.size()); items[p_idx].metadata=p_meta; update(); } void PopupMenu::set_item_disabled(int p_idx,bool p_disabled) { ERR_FAIL_INDEX(p_idx,items.size()); items[p_idx].disabled=p_disabled; update(); } void PopupMenu::set_item_submenu(int p_idx, const String& p_submenu) { ERR_FAIL_INDEX(p_idx,items.size()); items[p_idx].submenu=p_submenu; update(); } String PopupMenu::get_item_text(int p_idx) const { ERR_FAIL_INDEX_V(p_idx,items.size(),""); return items[p_idx].text; } Ref<Texture> PopupMenu::get_item_icon(int p_idx) const { ERR_FAIL_INDEX_V(p_idx,items.size(),Ref<Texture>()); return items[p_idx].icon; } uint32_t PopupMenu::get_item_accelerator(int p_idx) const { ERR_FAIL_INDEX_V(p_idx,items.size(),0); return items[p_idx].accel; } Variant PopupMenu::get_item_metadata(int p_idx) const { ERR_FAIL_INDEX_V(p_idx,items.size(),Variant()); return items[p_idx].metadata; } bool PopupMenu::is_item_disabled(int p_idx) const { ERR_FAIL_INDEX_V(p_idx,items.size(),false); return items[p_idx].disabled; } bool PopupMenu::is_item_checked(int p_idx) const { ERR_FAIL_INDEX_V(p_idx,items.size(),false); return items[p_idx].checked; } int PopupMenu::get_item_ID(int p_idx) const { ERR_FAIL_INDEX_V(p_idx,items.size(),0); return items[p_idx].ID; } int PopupMenu::get_item_index(int p_ID) const { for(int i=0;i<items.size();i++) { if (items[i].ID==p_ID) return i; } return -1; } String PopupMenu::get_item_submenu(int p_idx) const { ERR_FAIL_INDEX_V(p_idx,items.size(),""); return items[p_idx].submenu; } String PopupMenu::get_item_tooltip(int p_idx) const { ERR_FAIL_INDEX_V(p_idx,items.size(),""); return items[p_idx].tooltip; } void PopupMenu::set_item_as_separator(int p_idx, bool p_separator) { ERR_FAIL_INDEX(p_idx,items.size()); items[p_idx].separator=p_separator; update(); } bool PopupMenu::is_item_separator(int p_idx) const { ERR_FAIL_INDEX_V(p_idx,items.size(),false); return items[p_idx].separator; } void PopupMenu::set_item_as_checkable(int p_idx, bool p_checkable) { ERR_FAIL_INDEX(p_idx,items.size()); items[p_idx].checkable=p_checkable; update(); } void PopupMenu::set_item_tooltip(int p_idx,const String& p_tooltip) { ERR_FAIL_INDEX(p_idx,items.size()); items[p_idx].tooltip=p_tooltip; update(); } bool PopupMenu::is_item_checkable(int p_idx) const { ERR_FAIL_INDEX_V(p_idx,items.size(),false); return items[p_idx].checkable; } int PopupMenu::get_item_count() const { return items.size(); } int PopupMenu::find_item_by_accelerator(uint32_t p_accel) const { int il=items.size(); for(int i=0;i<il;i++) { if (items[i].accel==p_accel) return i; } return -1; } void PopupMenu::activate_item(int p_item) { ERR_FAIL_INDEX(p_item,items.size()); ERR_FAIL_COND(items[p_item].separator); emit_signal("item_pressed",items[p_item].ID); hide(); } void PopupMenu::remove_item(int p_idx) { items.remove(p_idx); update(); } void PopupMenu::add_separator() { Item sep; sep.separator=true; sep.ID=-1; items.push_back(sep); update(); } void PopupMenu::clear() { items.clear(); update(); idcount=0; } Array PopupMenu::_get_items() const { Array items; for(int i=0;i<get_item_count();i++) { items.push_back(get_item_text(i)); items.push_back(get_item_icon(i)); items.push_back(is_item_checkable(i)); items.push_back(is_item_checked(i)); items.push_back(is_item_disabled(i)); items.push_back(get_item_ID(i)); items.push_back(get_item_accelerator(i)); items.push_back(get_item_metadata(i)); items.push_back(get_item_submenu(i)); items.push_back(is_item_separator(i)); } return items; } void PopupMenu::_set_items(const Array& p_items){ ERR_FAIL_COND(p_items.size() % 10); clear(); for(int i=0;i<p_items.size();i+=10) { String text=p_items[i+0]; Ref<Texture> icon=p_items[i+1]; bool checkable=p_items[i+2]; bool checked=p_items[i+3]; bool disabled=p_items[i+4]; int id=p_items[i+5]; int accel=p_items[i+6]; Variant meta=p_items[i+7]; String subm=p_items[i+8]; bool sep=p_items[i+9]; int idx=get_item_count(); add_item(text,id); set_item_icon(idx,icon); set_item_as_checkable(idx,checkable); set_item_checked(idx,checked); set_item_disabled(idx,disabled); set_item_ID(idx,id); set_item_metadata(idx,meta); set_item_as_separator(idx,sep); set_item_accelerator(idx,accel); set_item_submenu(idx,subm); } } String PopupMenu::get_tooltip(const Point2& p_pos) const { int over=_get_mouse_over(p_pos); if (over<0 || over>=items.size()) return ""; return items[over].tooltip; } void PopupMenu::set_parent_rect(const Rect2& p_rect) { parent_rect=p_rect; } void PopupMenu::get_translatable_strings(List<String> *p_strings) const { for(int i=0;i<items.size();i++) { if (items[i].text!="") p_strings->push_back(items[i].text); } } void PopupMenu::add_autohide_area(const Rect2& p_area) { autohide_areas.push_back(p_area); } void PopupMenu::clear_autohide_areas(){ autohide_areas.clear(); } void PopupMenu::_bind_methods() { ObjectTypeDB::bind_method(_MD("_input_event"),&PopupMenu::_input_event); ObjectTypeDB::bind_method(_MD("add_icon_item","texture","label","id","accel"),&PopupMenu::add_icon_item,DEFVAL(-1),DEFVAL(0)); ObjectTypeDB::bind_method(_MD("add_item","label","id","accel"),&PopupMenu::add_item,DEFVAL(-1),DEFVAL(0)); ObjectTypeDB::bind_method(_MD("add_icon_check_item","texture","label","id","accel"),&PopupMenu::add_icon_check_item,DEFVAL(-1),DEFVAL(0)); ObjectTypeDB::bind_method(_MD("add_check_item","label","id","accel"),&PopupMenu::add_check_item,DEFVAL(-1),DEFVAL(0)); ObjectTypeDB::bind_method(_MD("add_submenu_item","label","submenu","id"),&PopupMenu::add_check_item,DEFVAL(-1)); ObjectTypeDB::bind_method(_MD("set_item_text","idx","text"),&PopupMenu::set_item_text); ObjectTypeDB::bind_method(_MD("set_item_icon","idx","icon"),&PopupMenu::set_item_icon); ObjectTypeDB::bind_method(_MD("set_item_accelerator","idx","accel"),&PopupMenu::set_item_accelerator); ObjectTypeDB::bind_method(_MD("set_item_metadata","idx","metadata"),&PopupMenu::set_item_metadata); ObjectTypeDB::bind_method(_MD("set_item_checked","idx"),&PopupMenu::set_item_checked); ObjectTypeDB::bind_method(_MD("set_item_disabled","idx","disabled"),&PopupMenu::set_item_disabled); ObjectTypeDB::bind_method(_MD("set_item_submenu","idx","submenu"),&PopupMenu::set_item_submenu); ObjectTypeDB::bind_method(_MD("set_item_as_separator","idx","enable"),&PopupMenu::set_item_as_separator); ObjectTypeDB::bind_method(_MD("set_item_as_checkable","idx","enable"),&PopupMenu::set_item_as_checkable); ObjectTypeDB::bind_method(_MD("set_item_ID","idx","id"),&PopupMenu::set_item_ID); ObjectTypeDB::bind_method(_MD("get_item_text","idx"),&PopupMenu::get_item_text); ObjectTypeDB::bind_method(_MD("get_item_icon","idx"),&PopupMenu::get_item_icon); ObjectTypeDB::bind_method(_MD("get_item_metadata","idx"),&PopupMenu::get_item_metadata); ObjectTypeDB::bind_method(_MD("get_item_accelerator","idx"),&PopupMenu::get_item_accelerator); ObjectTypeDB::bind_method(_MD("get_item_submenu","idx"),&PopupMenu::get_item_submenu); ObjectTypeDB::bind_method(_MD("is_item_separator","idx"),&PopupMenu::is_item_separator); ObjectTypeDB::bind_method(_MD("is_item_checkable","idx"),&PopupMenu::is_item_checkable); ObjectTypeDB::bind_method(_MD("is_item_checked","idx"),&PopupMenu::is_item_checked); ObjectTypeDB::bind_method(_MD("is_item_disabled","idx"),&PopupMenu::is_item_disabled); ObjectTypeDB::bind_method(_MD("get_item_ID","idx"),&PopupMenu::get_item_ID); ObjectTypeDB::bind_method(_MD("get_item_index","id"),&PopupMenu::get_item_index); ObjectTypeDB::bind_method(_MD("get_item_count"),&PopupMenu::get_item_count); ObjectTypeDB::bind_method(_MD("add_separator"),&PopupMenu::add_separator); ObjectTypeDB::bind_method(_MD("remove_item","idx"),&PopupMenu::remove_item); ObjectTypeDB::bind_method(_MD("clear"),&PopupMenu::clear); ObjectTypeDB::bind_method(_MD("_set_items"),&PopupMenu::_set_items); ObjectTypeDB::bind_method(_MD("_get_items"),&PopupMenu::_get_items); ObjectTypeDB::bind_method(_MD("_submenu_timeout"),&PopupMenu::_submenu_timeout); ADD_PROPERTY( PropertyInfo(Variant::ARRAY,"items",PROPERTY_HINT_NONE,"",PROPERTY_USAGE_NOEDITOR), _SCS("_set_items"),_SCS("_get_items") ); ADD_SIGNAL( MethodInfo("item_pressed", PropertyInfo( Variant::INT,"ID") ) ); } PopupMenu::PopupMenu() { idcount=0; mouse_over=-1; set_focus_mode(FOCUS_ALL); set_as_toplevel(true); submenu_timer = memnew( Timer ); submenu_timer->set_wait_time(0.3); submenu_timer->set_one_shot(true); submenu_timer->connect("timeout",this,"_submenu_timeout"); add_child(submenu_timer); } PopupMenu::~PopupMenu() { }