/*************************************************************************/ /* range.cpp */ /*************************************************************************/ /* This file is part of: */ /* GODOT ENGINE */ /* http://www.godotengine.org */ /*************************************************************************/ /* Copyright (c) 2007-2016 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 "range.h" void Range::_value_changed_notify() { _value_changed(shared->val); emit_signal("value_changed",shared->val); update(); _change_notify("range/value"); } void Range::Shared::emit_value_changed() { for (Set<Range*>::Element *E=owners.front();E;E=E->next()) { Range *r=E->get(); if (!r->is_inside_tree()) continue; r->_value_changed_notify(); } } void Range::_changed_notify(const char *p_what) { emit_signal("changed",shared->val); update(); _change_notify(p_what); } void Range::Shared::emit_changed(const char *p_what) { for (Set<Range*>::Element *E=owners.front();E;E=E->next()) { Range *r=E->get(); if (!r->is_inside_tree()) continue; r->_changed_notify(p_what); } } void Range::set_val(double p_val) { if(_rounded_values){ p_val = Math::round(p_val); } if (p_val>shared->max-shared->page) p_val=shared->max-shared->page; if (p_val<shared->min) p_val=shared->min; if (shared->val==p_val) return; shared->val=p_val; shared->emit_value_changed(); } void Range::set_min(double p_min) { shared->min=p_min; set_val(shared->val); shared->emit_changed("range/min"); } void Range::set_max(double p_max) { shared->max=p_max; set_val(shared->val); shared->emit_changed("range/max"); } void Range::set_step(double p_step) { shared->step=p_step; shared->emit_changed("range/step"); } void Range::set_page(double p_page) { shared->page=p_page; set_val(shared->val); shared->emit_changed("range/page"); } double Range::get_val() const { return shared->val; } double Range::get_min() const { return shared->min; } double Range::get_max() const { return shared->max; } double Range::get_step() const { return shared->step; } double Range::get_page() const { return shared->page; } void Range::set_unit_value(double p_value) { if (shared->exp_unit_value && get_min()>0) { double exp_min = Math::log(get_min())/Math::log(2); double exp_max = Math::log(get_max())/Math::log(2); double v = Math::pow(2,exp_min+(exp_max-exp_min)*p_value); set_val( v ); } else { set_val( (get_max() - get_min()) * p_value + get_min() ); } } double Range::get_unit_value() const { if (shared->exp_unit_value && get_min()>0) { double exp_min = Math::log(get_min())/Math::log(2); double exp_max = Math::log(get_max())/Math::log(2); double v = Math::log(get_val())/Math::log(2); return (v - exp_min) / (exp_max - exp_min); } else { return (get_val() - get_min()) / (get_max() - get_min()); } } void Range::_share(Node *p_range) { Range * r = p_range->cast_to<Range>(); ERR_FAIL_COND(!r); share(r); } void Range::share(Range *p_range) { ERR_FAIL_NULL(p_range); p_range->_ref_shared(shared); p_range->_changed_notify(); p_range->_value_changed_notify(); } void Range::unshare() { Shared * nshared = memnew(Shared); nshared->min=shared->min; nshared->max=shared->max; nshared->val=shared->val; nshared->step=shared->step; nshared->page=shared->page; _unref_shared(); _ref_shared(nshared); } void Range::_ref_shared(Shared *p_shared) { if (shared && p_shared==shared) return; _unref_shared(); shared=p_shared; shared->owners.insert(this); } void Range::_unref_shared() { shared->owners.erase(this); if (shared->owners.size()==0) { memdelete(shared); shared=NULL; } } void Range::_bind_methods() { ObjectTypeDB::bind_method(_MD("get_val"),&Range::get_val); ObjectTypeDB::bind_method(_MD("get_value"),&Range::get_val); ObjectTypeDB::bind_method(_MD("get_min"),&Range::get_min); ObjectTypeDB::bind_method(_MD("get_max"),&Range::get_max); ObjectTypeDB::bind_method(_MD("get_step"),&Range::get_step); ObjectTypeDB::bind_method(_MD("get_page"),&Range::get_page); ObjectTypeDB::bind_method(_MD("get_unit_value"),&Range::get_unit_value); ObjectTypeDB::bind_method(_MD("set_val","value"),&Range::set_val); ObjectTypeDB::bind_method(_MD("set_value","value"),&Range::set_val); ObjectTypeDB::bind_method(_MD("set_min","minimum"),&Range::set_min); ObjectTypeDB::bind_method(_MD("set_max","maximum"),&Range::set_max); ObjectTypeDB::bind_method(_MD("set_step","step"),&Range::set_step); ObjectTypeDB::bind_method(_MD("set_page","pagesize"),&Range::set_page); ObjectTypeDB::bind_method(_MD("set_unit_value","value"),&Range::set_unit_value); ObjectTypeDB::bind_method(_MD("set_rounded_values","enabled"),&Range::set_rounded_values); ObjectTypeDB::bind_method(_MD("is_rounded_values"),&Range::is_rounded_values); ObjectTypeDB::bind_method(_MD("set_exp_unit_value","enabled"),&Range::set_exp_unit_value); ObjectTypeDB::bind_method(_MD("is_unit_value_exp"),&Range::is_unit_value_exp); ObjectTypeDB::bind_method(_MD("share","with"),&Range::_share); ObjectTypeDB::bind_method(_MD("unshare"),&Range::unshare); ADD_SIGNAL( MethodInfo("value_changed", PropertyInfo(Variant::REAL,"value"))); ADD_SIGNAL( MethodInfo("changed")); ADD_PROPERTY( PropertyInfo( Variant::REAL, "range/min" ), _SCS("set_min"), _SCS("get_min") ); ADD_PROPERTY( PropertyInfo( Variant::REAL, "range/max" ), _SCS("set_max"), _SCS("get_max") ); ADD_PROPERTY( PropertyInfo( Variant::REAL, "range/step" ), _SCS("set_step"), _SCS("get_step") ); ADD_PROPERTY( PropertyInfo( Variant::REAL, "range/page" ), _SCS("set_page"), _SCS("get_page") ); ADD_PROPERTY( PropertyInfo( Variant::REAL, "range/value" ), _SCS("set_val"), _SCS("get_val") ); ADD_PROPERTY( PropertyInfo( Variant::BOOL, "range/exp_edit" ), _SCS("set_exp_unit_value"), _SCS("is_unit_value_exp") ); ADD_PROPERTY( PropertyInfo( Variant::BOOL, "range/rounded" ), _SCS("set_rounded_values"), _SCS("is_rounded_values") ); } void Range::set_rounded_values(bool p_enable) { _rounded_values = p_enable; } bool Range::is_rounded_values() const { return _rounded_values; } void Range::set_exp_unit_value(bool p_enable) { shared->exp_unit_value=p_enable; } bool Range::is_unit_value_exp() const { return shared->exp_unit_value; } Range::Range() { shared = memnew(Shared); shared->min=0; shared->max=100; shared->val= shared->step=1; shared->page=0; shared->owners.insert(this); shared->exp_unit_value=false; _rounded_values = false; } Range::~Range() { _unref_shared(); }