505 lines
13 KiB
C++
505 lines
13 KiB
C++
/*************************************************************************/
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/* button_array.cpp */
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/*************************************************************************/
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/* This file is part of: */
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/* GODOT ENGINE */
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/* http://www.godotengine.org */
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/*************************************************************************/
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/* Copyright (c) 2007-2016 Juan Linietsky, Ariel Manzur. */
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/* */
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/* Permission is hereby granted, free of charge, to any person obtaining */
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/* a copy of this software and associated documentation files (the */
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/* "Software"), to deal in the Software without restriction, including */
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/* without limitation the rights to use, copy, modify, merge, publish, */
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/* distribute, sublicense, and/or sell copies of the Software, and to */
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/* permit persons to whom the Software is furnished to do so, subject to */
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/* the following conditions: */
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/* */
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/* The above copyright notice and this permission notice shall be */
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/* included in all copies or substantial portions of the Software. */
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/* */
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/* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, */
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/* EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF */
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/* MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT.*/
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/* IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY */
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/* CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, */
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/* TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE */
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/* SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE. */
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/*************************************************************************/
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#include "button_array.h"
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bool ButtonArray::_set(const StringName& p_name, const Variant& p_value) {
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String n=String(p_name);
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if (n.begins_with("button/")) {
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String what = n.get_slicec('/',1);
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if (what=="count") {
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int new_size=p_value;
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if (new_size>0 && buttons.size()==0) {
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selected=0;
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}
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if (new_size < buttons.size()) {
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if (selected>=new_size)
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selected=new_size-1;
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}
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buttons.resize(new_size);
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_change_notify();
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minimum_size_changed();
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} else if (what=="align") {
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set_align(Align(p_value.operator int()));
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} else if (what=="selected") {
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set_selected(p_value);
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} else if (what == "min_button_size") {
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min_button_size = p_value;
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} else {
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int idx=what.to_int();
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ERR_FAIL_INDEX_V(idx,buttons.size(),false);
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String f = n.get_slicec('/',2);
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if (f=="text")
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buttons[idx].text=p_value;
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else if (f=="icon")
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buttons[idx].icon=p_value;
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else
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return false;
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}
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update();
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return true;
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}
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return false;
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}
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bool ButtonArray::_get(const StringName& p_name,Variant &r_ret) const {
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String n=String(p_name);
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if (n.begins_with("button/")) {
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String what = n.get_slicec('/',1);
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if (what=="count") {
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r_ret=buttons.size();
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} else if (what=="align") {
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r_ret=get_align();
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} else if (what=="selected") {
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r_ret=get_selected();
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} else if (what == "min_button_size"){
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r_ret = min_button_size;
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} else {
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int idx=what.to_int();
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ERR_FAIL_INDEX_V(idx,buttons.size(),false);
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String f = n.get_slicec('/',2);
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if (f=="text")
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r_ret=buttons[idx].text;
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else if (f=="icon")
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r_ret=buttons[idx].icon;
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else
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return false;
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}
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return true;
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}
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return false;
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}
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void ButtonArray::_get_property_list( List<PropertyInfo> *p_list) const {
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p_list->push_back( PropertyInfo( Variant::INT, "button/count",PROPERTY_HINT_RANGE,"0,512,1"));
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p_list->push_back( PropertyInfo( Variant::INT, "button/min_button_size",PROPERTY_HINT_RANGE,"0,1024,1"));
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p_list->push_back( PropertyInfo( Variant::INT, "button/align",PROPERTY_HINT_ENUM,"Begin,Center,End,Fill,Expand"));
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for(int i=0;i<buttons.size();i++) {
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String base="button/"+itos(i)+"/";
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p_list->push_back( PropertyInfo( Variant::STRING, base+"text"));
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p_list->push_back( PropertyInfo( Variant::OBJECT, base+"icon",PROPERTY_HINT_RESOURCE_TYPE,"Texture"));
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}
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if (buttons.size()>0) {
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p_list->push_back( PropertyInfo( Variant::INT, "button/selected",PROPERTY_HINT_RANGE,"0,"+itos(buttons.size()-1)+",1"));
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}
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}
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Size2 ButtonArray::get_minimum_size() const {
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Ref<StyleBox> style_normal = get_stylebox("normal");
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Ref<StyleBox> style_selected = get_stylebox("selected");
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Ref<Font> font_normal = get_font("font");
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Ref<Font> font_selected = get_font("font_selected");
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int icon_sep = get_constant("icon_separator");
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int button_sep = get_constant("button_separator");
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Size2 minsize;
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for(int i=0;i<buttons.size();i++) {
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Ref<StyleBox> sb = i==selected ? style_selected : style_normal;
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Ref<Font> f = i==selected ? font_selected : font_normal;
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Size2 ms;
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ms = f->get_string_size(buttons[i].text);
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if (buttons[i].icon.is_valid()) {
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Size2 bs = buttons[i].icon->get_size();
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ms.height = MAX(ms.height,bs.height);
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ms.width+=bs.width+icon_sep;
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}
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ms+=sb->get_minimum_size();
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buttons[i]._ms_cache=ms[orientation];
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minsize[orientation]+=ms[orientation];
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if (i>0)
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minsize[orientation]+=button_sep;
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minsize[!orientation] = MAX(minsize[!orientation],ms[!orientation]);
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}
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return minsize;
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}
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void ButtonArray::_notification(int p_what) {
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switch(p_what) {
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case NOTIFICATION_READY:{
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MethodInfo mi;
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mi.name="mouse_sub_enter";
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add_user_signal(mi);
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}break;
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case NOTIFICATION_DRAW: {
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Size2 size=get_size();
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Size2 minsize=get_combined_minimum_size();
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Ref<StyleBox> style_normal = get_stylebox("normal");
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Ref<StyleBox> style_selected = get_stylebox("selected");
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Ref<StyleBox> style_focus = get_stylebox("focus");
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Ref<StyleBox> style_hover = get_stylebox("hover");
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Ref<Font> font_normal = get_font("font");
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Ref<Font> font_selected = get_font("font_selected");
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int icon_sep = get_constant("icon_separator");
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int button_sep = get_constant("button_separator");
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Color color_normal = get_color("font_color");
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Color color_selected = get_color("font_color_selected");
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int sep=button_sep;
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int ofs=0;
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int expand=0;
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switch(align) {
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case ALIGN_BEGIN: {
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ofs=0;
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} break;
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case ALIGN_CENTER: {
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ofs=Math::floor((size[orientation] - minsize[orientation])/2);
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} break;
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case ALIGN_END: {
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ofs=Math::floor((size[orientation] - minsize[orientation]));
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} break;
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case ALIGN_FILL: {
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if (buttons.size()>1)
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sep+=Math::floor((size[orientation]- minsize[orientation])/(buttons.size()-1.0));
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ofs=0;
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} break;
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case ALIGN_EXPAND_FILL: {
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ofs=0;
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expand=size[orientation] - minsize[orientation];
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} break;
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}
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int op_size = orientation==VERTICAL ? size.width : size.height;
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for(int i=0;i<buttons.size();i++) {
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int ms = buttons[i]._ms_cache;
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int s=ms;
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if (expand>0) {
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s+=expand/buttons.size();
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}
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if(min_button_size != -1 && s < min_button_size){
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s = min_button_size;
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}
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Rect2 r;
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r.pos[orientation]=ofs;
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r.pos[!orientation]=0;
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r.size[orientation]=s;
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r.size[!orientation]=op_size;
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Ref<Font> f;
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Color c;
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if (i==selected) {
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draw_style_box(style_selected,r);
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f=font_selected;
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c=color_selected;
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if (has_focus())
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draw_style_box(style_focus,r);
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} else {
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if (hover==i)
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draw_style_box(style_hover,r);
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else
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draw_style_box(style_normal,r);
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f=font_normal;
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c=color_normal;
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}
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Size2 ssize = f->get_string_size(buttons[i].text);
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if (buttons[i].icon.is_valid()) {
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ssize.x+=buttons[i].icon->get_width();
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}
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Point2 text_ofs=((r.size-ssize)/2.0+Point2(0,f->get_ascent())).floor();
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if (buttons[i].icon.is_valid()) {
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draw_texture(buttons[i].icon,r.pos+Point2(text_ofs.x,Math::floor((r.size.height-buttons[i].icon->get_height())/2.0)));
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text_ofs.x+=buttons[i].icon->get_width()+icon_sep;
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}
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draw_string(f,text_ofs+r.pos,buttons[i].text,c);
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buttons[i]._pos_cache=ofs;
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buttons[i]._size_cache=s;
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ofs+=s;
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ofs+=sep;
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}
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} break;
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}
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}
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void ButtonArray::_input_event(const InputEvent& p_event) {
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if (
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( (orientation==HORIZONTAL && p_event.is_action("ui_left") ) ||
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(orientation==VERTICAL && p_event.is_action("ui_up") ) )
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&& p_event.is_pressed() && selected>0) {
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set_selected(selected-1);
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accept_event();
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emit_signal("button_selected",selected);
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return;
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}
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if (
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( (orientation==HORIZONTAL && p_event.is_action("ui_right") ) ||
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(orientation==VERTICAL && p_event.is_action("ui_down") ) )
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&& p_event.is_pressed() && selected<(buttons.size()-1)) {
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set_selected(selected+1);
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accept_event();
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emit_signal("button_selected",selected);
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return;
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}
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if (p_event.type==InputEvent::MOUSE_BUTTON && p_event.mouse_button.pressed && p_event.mouse_button.button_index==BUTTON_LEFT) {
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int ofs = orientation==HORIZONTAL ? p_event.mouse_button.x: p_event.mouse_button.y;
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for(int i=0;i<buttons.size();i++) {
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if (ofs>=buttons[i]._pos_cache && ofs<buttons[i]._pos_cache+buttons[i]._size_cache) {
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set_selected(i);
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emit_signal("button_selected",i);
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return;
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}
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}
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}
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if (p_event.type==InputEvent::MOUSE_MOTION) {
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int ofs = orientation==HORIZONTAL ? p_event.mouse_motion.x: p_event.mouse_motion.y;
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int new_hover=-1;
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for(int i=0;i<buttons.size();i++) {
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if (ofs>=buttons[i]._pos_cache && ofs<buttons[i]._pos_cache+buttons[i]._size_cache) {
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new_hover=i;
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break;
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}
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}
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if (new_hover!=hover) {
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hover=new_hover;
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emit_signal("mouse_sub_enter");
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update();
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}
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}
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}
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void ButtonArray::set_align(Align p_align) {
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align=p_align;
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update();
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}
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ButtonArray::Align ButtonArray::get_align() const {
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return align;
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}
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void ButtonArray::add_button(const String& p_button) {
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Button button;
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button.text=p_button;
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buttons.push_back(button);
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update();
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if (selected==-1)
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selected=0;
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minimum_size_changed();
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}
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void ButtonArray::add_icon_button(const Ref<Texture>& p_icon,const String& p_button) {
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Button button;
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button.text=p_button;
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button.icon=p_icon;
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buttons.push_back(button);
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if (selected==-1)
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selected=0;
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update();
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}
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void ButtonArray::set_button_text(int p_button, const String& p_text) {
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ERR_FAIL_INDEX(p_button,buttons.size());
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buttons[p_button].text=p_text;
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update();
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minimum_size_changed();
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}
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void ButtonArray::set_button_icon(int p_button, const Ref<Texture>& p_icon) {
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ERR_FAIL_INDEX(p_button,buttons.size());
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buttons[p_button].icon=p_icon;
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update();
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minimum_size_changed();
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}
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String ButtonArray::get_button_text(int p_button) const {
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ERR_FAIL_INDEX_V(p_button,buttons.size(),"");
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return buttons[p_button].text;
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}
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Ref<Texture> ButtonArray::get_button_icon(int p_button) const {
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ERR_FAIL_INDEX_V(p_button,buttons.size(),Ref<Texture>());
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return buttons[p_button].icon;
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}
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int ButtonArray::get_selected() const {
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return selected;
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}
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int ButtonArray::get_hovered() const {
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return hover;
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}
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void ButtonArray::set_selected(int p_selected) {
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ERR_FAIL_INDEX(p_selected,buttons.size());
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selected=p_selected;
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update();
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}
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void ButtonArray::erase_button(int p_button) {
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ERR_FAIL_INDEX(p_button,buttons.size());
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buttons.remove(p_button);
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if (p_button>=selected)
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selected--;
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if (selected<0)
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selected=0;
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if (selected>=buttons.size())
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selected=buttons.size()-1;
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update();
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}
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void ButtonArray::clear(){
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buttons.clear();
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selected=-1;
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update();
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}
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int ButtonArray::get_button_count() const {
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return buttons.size();
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}
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void ButtonArray::get_translatable_strings(List<String> *p_strings) const {
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for(int i=0;i<buttons.size();i++)
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p_strings->push_back(buttons[i].text);
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}
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void ButtonArray::_bind_methods() {
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ObjectTypeDB::bind_method(_MD("add_button","text"),&ButtonArray::add_button);
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ObjectTypeDB::bind_method(_MD("add_icon_button","icon","text"),&ButtonArray::add_icon_button,DEFVAL(""));
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ObjectTypeDB::bind_method(_MD("set_button_text","button","text"),&ButtonArray::set_button_text);
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ObjectTypeDB::bind_method(_MD("set_button_icon","button","icon"),&ButtonArray::set_button_icon);
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ObjectTypeDB::bind_method(_MD("get_button_text","button"),&ButtonArray::get_button_text);
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ObjectTypeDB::bind_method(_MD("get_button_icon","button"),&ButtonArray::get_button_icon);
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ObjectTypeDB::bind_method(_MD("get_button_count"),&ButtonArray::get_button_count);
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ObjectTypeDB::bind_method(_MD("get_selected"),&ButtonArray::get_selected);
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ObjectTypeDB::bind_method(_MD("get_hovered"),&ButtonArray::get_hovered);
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ObjectTypeDB::bind_method(_MD("set_selected","button"),&ButtonArray::set_selected);
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ObjectTypeDB::bind_method(_MD("erase_button","button"),&ButtonArray::erase_button);
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ObjectTypeDB::bind_method(_MD("clear"),&ButtonArray::clear);
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ObjectTypeDB::bind_method(_MD("_input_event"),&ButtonArray::_input_event);
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BIND_CONSTANT( ALIGN_BEGIN );
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BIND_CONSTANT( ALIGN_CENTER );
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BIND_CONSTANT( ALIGN_END );
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BIND_CONSTANT( ALIGN_FILL );
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BIND_CONSTANT( ALIGN_EXPAND_FILL );
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ADD_SIGNAL( MethodInfo("button_selected",PropertyInfo(Variant::INT,"button")));
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}
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ButtonArray::ButtonArray(Orientation p_orientation) {
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orientation=p_orientation;
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selected=-1;
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set_focus_mode(FOCUS_ALL);
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hover=-1;
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min_button_size = -1;
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}
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