AButton.h

/*
 * AUI Framework - Declarative UI toolkit for modern C++20
 * Copyright (C) 2020-2025 Alex2772 and Contributors
 *
 * SPDX-License-Identifier: MPL-2.0
 *
 * This Source Code Form is subject to the terms of the Mozilla Public
 * License, v. 2.0. If a copy of the MPL was not distributed with this
 * file, You can obtain one at http://mozilla.org/MPL/2.0/.
 */
 
#pragma once
 
#include "AView.h"
#include "AUI/Common/AString.h"
#include "AUI/Render/IRenderer.h"
#include "AUI/Layout/AHorizontalLayout.h"
#include "ALabel.h"
#include "AViewContainer.h"
#include "AUI/ASS/Selector/AAssSelector.h"

class API_AUI_VIEWS AButton : public AAbstractLabel {
public:
   AButton();
 
   explicit AButton(AString text) noexcept: AAbstractLabel(std::move(text)) {}
 
   virtual ~AButton() = default;
 
   [[nodiscard]]
   bool isDefault() const noexcept {
       return mDefault;
   }
 
   void setDefault(bool isDefault = true);
 
   bool consumesClick(const glm::ivec2& pos) override;
 
signals:
   emits<bool> defaultState;
   emits<> becameDefault;
   emits<> noLongerDefault;
 
private:
   AFieldSignalEmitter<bool> mDefault = AFieldSignalEmitter<bool>(defaultState, becameDefault, noLongerDefault);
};

class AButtonEx : public AViewContainer {
public:
   AButtonEx() {
       addAssName(".btn");
   }
 
   ~AButtonEx() override = default;
};
 
namespace declarative {
   struct Button : aui::ui_building::view_container_layout<AHorizontalLayout, AButtonEx> {
       using aui::ui_building::view_container_layout<AHorizontalLayout, AButtonEx>::layouted_container_factory;
 
       Button(AString text) : layouted_container_factory<AHorizontalLayout, AButtonEx>({Label{std::move(text)}}) {}
 
       Button(const char* text) : layouted_container_factory<AHorizontalLayout, AButtonEx>({Label{text}}) {}
   };
}
 
namespace ass::button {
   struct Default : IAssSubSelector {
   private:
       _unique<IAssSubSelector> mWrapped;
 
   public:
       template<typename T>
       Default(T value): mWrapped(new T(std::move(value))) {}
 
 
       bool isPossiblyApplicable(AView* view) override {
           return mWrapped->isPossiblyApplicable(view) && dynamic_cast<AButton*>(view);
       }
 
       bool isStateApplicable(AView* view) override {
           if (!mWrapped->isStateApplicable(view))
               return false;
 
           if (auto c = dynamic_cast<AButton*>(view)) {
               return c->isDefault();
           }
           return false;
       }
 
       void setupConnections(AView* view, const _<AAssHelper>& helper) override {
           IAssSubSelector::setupConnections(view, helper);
           mWrapped->setupConnections(view, helper);
 
           if (auto c = dynamic_cast<AButton*>(view)) {
               c->defaultState.clearAllOutgoingConnectionsWith(helper.get());
               AObject::connect(c->defaultState, slot(helper)::onInvalidateStateAss);
           }
       }
   };
}

© 2025 AUI Framework Contributors. Documentation contributions included herein are the copyrights of their respective owners. The documentation provided herein is licensed under the terms of the GNU Free Documentation License version 1.3 as published by the Free Software Foundation. All trademarks are property of their respective owners.