AAbstractLabel.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 <AUI/Enum/VerticalAlign.h>
#include <AUI/Enum/TextTransform.h>
#include "AUI/Platform/AWindowBase.h"
#include "AView.h"
#include "AUI/Render/IRenderer.h"
#include "AUI/Common/AString.h"
#include "AUI/Image/IDrawable.h"
#include "AUI/Enum/WordBreak.h"
#include "AUI/Font/IFontView.h"
#include <AUI/Util/ADataBinding.h>
#include <AUI/Common/IStringable.h>
#include <AUI/Util/Declarative.h>

class API_AUI_VIEWS AAbstractLabel : public AView, public IStringable, public IFontView {
public:
   AAbstractLabel();

   auto text() const {
       return APropertyDef {
           this,
           &AAbstractLabel::mText,
           &AAbstractLabel::setText,
           mTextChanged,
       };
   }
 
   explicit AAbstractLabel(AString text) noexcept: mText(std::move(text)) {}
 
   void render(ARenderContext context) override;
   void doRenderText(IRenderer& render);
   int getContentMinimumWidth() override;
   int getContentMinimumHeight() override;
 
   const _<IDrawable>& getIcon() const {
       return mIcon;
   }
 
   AString toString() const override;
 
   void setIcon(const _<IDrawable>& drawable) {
       mIcon = drawable;
       redraw();
   }
 
   void setIconColor(const AColor& iconColor) {
       mIconColor = iconColor;
   }
 
   void doPrerender(IRenderer& render);
 
   void onDpiChanged() override;
 
   void setText(AString newText);
 
   void invalidateFont() override;
 
   void setVerticalAlign(VerticalAlign verticalAlign) {
       if (mVerticalAlign == verticalAlign) {
           return;
       }
       mVerticalAlign = verticalAlign;
       invalidateFont();
   }
 
   void setTextOverflow(ATextOverflow textOverflow) {
       if (mTextOverflow == textOverflow) {
           return;
       }
       mTextOverflow = textOverflow;
       markMinContentSizeInvalid();
   }
 
   void setTextTransform(TextTransform textTransform) {
       if (mTextTransform == textTransform) {
           return;
       }
       mTextTransform = textTransform;
       invalidateFont();
   }
 
   void setSize(glm::ivec2 size) override;
 
   void invalidateAllStyles() override;
 
protected:
   _<IRenderer::IPrerenderedString> mPrerendered;
 
   const _<IRenderer::IPrerenderedString>& getPrerendered() {
       return mPrerendered;
   }
 
   void commitStyle() override;
   //void userProcessStyleSheet(const std::function<void(css, const std::function<void(property)>&)>& processor) override;
 
 
   // for correct selection positioning (used in ASelectableLabel)
   int mTextLeftOffset = 0;
   bool mIsTextTooLarge = false;
 
private:
   AString mText;
   emits<AString> mTextChanged;
   _<IDrawable> mIcon;
   VerticalAlign mVerticalAlign = VerticalAlign::DEFAULT;
   TextTransform mTextTransform = TextTransform::NONE;
   AColor mIconColor = {1, 1, 1, 1};
 
   glm::ivec2 getIconSize() const;

   ATextOverflow mTextOverflow = ATextOverflow::NONE;
 
   AString getTransformedText();
 
   void processTextOverflow(AString& text);
 
   template<class Iterator>
   Iterator findFirstOverflowedIndex(const Iterator& begin, const Iterator& end, int overflowingWidth);
 
   template<class Iterator>
   void processTextOverflow(Iterator begin, Iterator end, int overflowingWidth);
 
};
 
 
template<>
struct ADataBindingDefault<AAbstractLabel, AString> {
public:
   static auto property(const _<AAbstractLabel>& view) {
       return view->text();
   }
 
   static void setup(const _<AAbstractLabel>& view) {}
 
   static auto getGetter() {
       return (ASignal<AString> AAbstractLabel::*) nullptr;
   }
 
   static auto getSetter() {
       return &AAbstractLabel::setText;
   }
};
 

© 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.