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godot/scene/gui/option_button.cpp
Rémi Verschelde d8223ffa75 Welcome in 2017, dear changelog reader! 
That year should bring the long-awaited OpenGL ES 3.0 compatible renderer
with state-of-the-art rendering techniques tuned to work as low as middle
end handheld devices - without compromising with the possibilities given
for higher end desktop games of course. Great times ahead for the Godot
community and the gamers that will play our games!

(cherry picked from commit c7bc44d5ad)
2017-01-12 19:15:30 +01:00

343 lines
9.4 KiB
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/*************************************************************************/
/* option_button.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 "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;
}
}
if (selid==-1 && p_which>=0 && p_which<popup->get_item_count()) {
_select(p_which,true);
} else {
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","idx"),&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() {
}
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