godot/scene/gui/option_button.cpp

338 lines
9.4 KiB
C++

/*************************************************************************/
/* option_button.cpp */
/*************************************************************************/
/* This file is part of: */
/* GODOT ENGINE */
/* http://www.godotengine.org */
/*************************************************************************/
/* Copyright (c) 2007-2015 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 "option_button.h"
#include "print_string.h"
Size2 OptionButton::get_minimum_size() const {
Size2 minsize = Button::get_minimum_size();
if (has_icon("arrow"))
minsize.width+=Control::get_icon("arrow")->get_width();
return minsize;
}
void OptionButton::_notification(int p_what) {
switch(p_what) {
case NOTIFICATION_DRAW: {
if (!has_icon("arrow"))
return;
RID ci = get_canvas_item();
Ref<Texture> arrow = Control::get_icon("arrow");
Ref<StyleBox> normal = get_stylebox("normal" );
Size2 size = get_size();
Point2 ofs( size.width - arrow->get_width() - get_constant("arrow_margin"), int(Math::abs((size.height-arrow->get_height())/2)));
arrow->draw(ci,ofs);
} break;
}
}
void OptionButton::_selected(int p_which) {
int selid = -1;
for (int i=0;i<popup->get_item_count();i++) {
bool is_clicked = popup->get_item_ID(i)==p_which;
if (is_clicked) {
selid=i;
break;
}
}
ERR_FAIL_COND(selid==-1);
_select(selid,true);
}
void OptionButton::pressed() {
Size2 size=get_size();
popup->set_global_pos( get_global_pos() + Size2( 0, size.height ) );
popup->set_size( Size2( size.width, 0) );
popup->popup();
}
void OptionButton::add_icon_item(const Ref<Texture>& p_icon,const String& p_label,int p_ID) {
popup->add_icon_check_item( p_icon, p_label, p_ID );
if (popup->get_item_count()==1)
select(0);
}
void OptionButton::add_item(const String& p_label,int p_ID) {
popup->add_check_item( p_label, p_ID );
if (popup->get_item_count()==1)
select(0);
}
void OptionButton::set_item_text(int p_idx,const String& p_text) {
popup->set_item_text(p_idx,p_text);
}
void OptionButton::set_item_icon(int p_idx,const Ref<Texture>& p_icon) {
popup->set_item_icon(p_idx,p_icon);
}
void OptionButton::set_item_ID(int p_idx,int p_ID) {
popup->set_item_ID(p_idx,p_ID);
}
void OptionButton::set_item_metadata(int p_idx,const Variant& p_metadata) {
popup->set_item_metadata(p_idx,p_metadata);
}
void OptionButton::set_item_disabled(int p_idx,bool p_disabled) {
popup->set_item_disabled(p_idx,p_disabled);
}
String OptionButton::get_item_text(int p_idx) const {
return popup->get_item_text(p_idx);
}
Ref<Texture> OptionButton::get_item_icon(int p_idx) const {
return popup->get_item_icon(p_idx);
}
int OptionButton::get_item_ID(int p_idx) const {
return popup->get_item_ID(p_idx);
}
Variant OptionButton::get_item_metadata(int p_idx) const {
return popup->get_item_metadata(p_idx);
}
bool OptionButton::is_item_disabled(int p_idx) const {
return popup->is_item_disabled(p_idx);
}
int OptionButton::get_item_count() const {
return popup->get_item_count();
}
void OptionButton::add_separator() {
popup->add_separator();
}
void OptionButton::clear() {
popup->clear();
set_text("");
current=-1;
}
void OptionButton::_select(int p_idx,bool p_emit) {
if (p_idx<0)
return;
if (p_idx==current)
return;
ERR_FAIL_INDEX( p_idx, popup->get_item_count() );
for (int i=0;i<popup->get_item_count();i++) {
popup->set_item_checked(i,i==p_idx);
}
current=p_idx;
set_text( popup->get_item_text( current ) );
set_icon( popup->get_item_icon( current ) );
if (is_inside_tree() && p_emit)
emit_signal("item_selected",current);
}
void OptionButton::_select_int(int p_which) {
if (p_which<0 || p_which>=popup->get_item_count())
return;
_select(p_which,false);
}
void OptionButton::select(int p_idx) {
_select(p_idx,false);
}
int OptionButton::get_selected() const {
return current;
}
int OptionButton::get_selected_ID() const {
int idx = get_selected();
if (idx<0)
return 0;
return get_item_ID(current);
}
Variant OptionButton::get_selected_metadata() const {
int idx = get_selected();
if (idx<0)
return Variant();
return get_item_metadata(current);
}
void OptionButton::remove_item(int p_idx) {
popup->remove_item(p_idx);
}
Array OptionButton::_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_disabled(i));
items.push_back(get_item_ID(i));
items.push_back(get_item_metadata(i));
}
return items;
}
void OptionButton::_set_items(const Array& p_items){
ERR_FAIL_COND(p_items.size() % 5);
clear();
for(int i=0;i<p_items.size();i+=5) {
String text=p_items[i+0];
Ref<Texture> icon=p_items[i+1];
bool disabled=p_items[i+2];
int id=p_items[i+3];
Variant meta = p_items[i+4];
int idx=get_item_count();
add_item(text,id);
set_item_icon(idx,icon);
set_item_disabled(idx,disabled);
set_item_metadata(idx,meta);
}
}
void OptionButton::get_translatable_strings(List<String> *p_strings) const {
return popup->get_translatable_strings(p_strings);
}
void OptionButton::_bind_methods() {
ObjectTypeDB::bind_method(_MD("_selected"),&OptionButton::_selected);
ObjectTypeDB::bind_method(_MD("add_item","label","id"),&OptionButton::add_item,DEFVAL(-1));
ObjectTypeDB::bind_method(_MD("add_icon_item","texture:Texture","label","id"),&OptionButton::add_icon_item);
ObjectTypeDB::bind_method(_MD("set_item_text","idx","text"),&OptionButton::set_item_text);
ObjectTypeDB::bind_method(_MD("set_item_icon","idx","texture:Texture"),&OptionButton::set_item_icon);
ObjectTypeDB::bind_method(_MD("set_item_disabled","idx","disabled"),&OptionButton::set_item_disabled);
ObjectTypeDB::bind_method(_MD("set_item_ID","idx","id"),&OptionButton::set_item_ID);
ObjectTypeDB::bind_method(_MD("set_item_metadata","idx","metadata"),&OptionButton::set_item_metadata);
ObjectTypeDB::bind_method(_MD("get_item_text","idx"),&OptionButton::get_item_text);
ObjectTypeDB::bind_method(_MD("get_item_icon:Texture","idx"),&OptionButton::get_item_icon);
ObjectTypeDB::bind_method(_MD("get_item_ID","idx"),&OptionButton::get_item_ID);
ObjectTypeDB::bind_method(_MD("get_item_metadata","idx"),&OptionButton::get_item_metadata);
ObjectTypeDB::bind_method(_MD("is_item_disabled","idx"),&OptionButton::is_item_disabled);
ObjectTypeDB::bind_method(_MD("get_item_count"),&OptionButton::get_item_count);
ObjectTypeDB::bind_method(_MD("add_separator"),&OptionButton::add_separator);
ObjectTypeDB::bind_method(_MD("clear"),&OptionButton::clear);
ObjectTypeDB::bind_method(_MD("select"),&OptionButton::select);
ObjectTypeDB::bind_method(_MD("get_selected"),&OptionButton::get_selected);
ObjectTypeDB::bind_method(_MD("get_selected_ID"),&OptionButton::get_selected_ID);
ObjectTypeDB::bind_method(_MD("get_selected_metadata"),&OptionButton::get_selected_metadata);
ObjectTypeDB::bind_method(_MD("remove_item","idx"),&OptionButton::remove_item);
ObjectTypeDB::bind_method(_MD("_select_int"),&OptionButton::_select_int);
ObjectTypeDB::bind_method(_MD("_set_items"),&OptionButton::_set_items);
ObjectTypeDB::bind_method(_MD("_get_items"),&OptionButton::_get_items);
ADD_PROPERTY( PropertyInfo(Variant::INT,"selected"), _SCS("_select_int"),_SCS("get_selected") );
ADD_PROPERTY( PropertyInfo(Variant::ARRAY,"items",PROPERTY_HINT_NONE,"",PROPERTY_USAGE_NOEDITOR), _SCS("_set_items"),_SCS("_get_items") );
ADD_SIGNAL( MethodInfo("item_selected", PropertyInfo( Variant::INT,"ID") ) );
}
OptionButton::OptionButton() {
popup = memnew( PopupMenu );
popup->hide();
popup->set_as_toplevel(true);
add_child(popup);
popup->connect("item_pressed", this,"_selected");
current=-1;
set_text_align(ALIGN_LEFT);
}
OptionButton::~OptionButton() {
}