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	This addresses the Clang Tidy check [performance-faster-string-find](https://clang.llvm.org/extra/clang-tidy/checks/performance-faster-string-find.html).
		
			
				
	
	
		
			155 lines
		
	
	
	
		
			4.3 KiB
		
	
	
	
		
			C++
		
	
	
	
	
	
			
		
		
	
	
			155 lines
		
	
	
	
		
			4.3 KiB
		
	
	
	
		
			C++
		
	
	
	
	
	
#include "imagebutton.hpp"
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#include <MyGUI_RenderManager.h>
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#include <components/debug/debuglog.hpp>
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namespace Gui
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{
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    bool ImageButton::sDefaultNeedKeyFocus = true;
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    ImageButton::ImageButton()
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        : Base()
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        , mMouseFocus(false)
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        , mMousePress(false)
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        , mKeyFocus(false)
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        , mUseWholeTexture(true)
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        , mTextureRect(MyGUI::IntCoord(0, 0, 0, 0))
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    {
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        setNeedKeyFocus(sDefaultNeedKeyFocus);
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    }
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    void ImageButton::setDefaultNeedKeyFocus(bool enabled)
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    {
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        sDefaultNeedKeyFocus = enabled;
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    }
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    void ImageButton::setTextureRect(MyGUI::IntCoord coord)
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    {
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        mTextureRect = coord;
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        mUseWholeTexture = (coord == MyGUI::IntCoord(0, 0, 0, 0));
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        updateImage();
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    }
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    void ImageButton::setPropertyOverride(const std::string &_key, const std::string &_value)
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    {
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        if (_key == "ImageHighlighted")
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            mImageHighlighted = _value;
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        else if (_key == "ImagePushed")
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            mImagePushed = _value;
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        else if (_key == "ImageNormal")
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        {
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            if (mImageNormal == "")
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            {
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                setImageTexture(_value);
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            }
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            mImageNormal = _value;
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        }
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        else if (_key == "TextureRect")
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        {
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            mTextureRect = MyGUI::IntCoord::parse(_value);
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            mUseWholeTexture = (mTextureRect == MyGUI::IntCoord(0, 0, 0, 0));
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        }
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        else
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            ImageBox::setPropertyOverride(_key, _value);
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    }
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    void ImageButton::onMouseSetFocus(Widget* _old)
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    {
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        mMouseFocus = true;
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        updateImage();
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        Base::onMouseSetFocus(_old);
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    }
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    void ImageButton::onMouseLostFocus(Widget* _new)
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    {
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        mMouseFocus = false;
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        updateImage();
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        Base::onMouseLostFocus(_new);
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    }
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    void ImageButton::onMouseButtonPressed(int _left, int _top, MyGUI::MouseButton _id)
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    {
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        if (_id == MyGUI::MouseButton::Left)
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        {
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            mMousePress = true;
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            updateImage();
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        }
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        Base::onMouseButtonPressed(_left, _top, _id);
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    }
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    void ImageButton::updateImage()
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    {
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        std::string textureName = mImageNormal;
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        if (mMousePress)
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            textureName = mImagePushed;
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        else if (mMouseFocus || mKeyFocus)
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            textureName = mImageHighlighted;
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        if (!mUseWholeTexture)
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        {
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            int scale = 1.f;
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            MyGUI::ITexture* texture = MyGUI::RenderManager::getInstance().getTexture(textureName);
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            if (texture && getHeight() != 0)
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                scale = texture->getHeight() / getHeight();
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            setImageTile(MyGUI::IntSize(mTextureRect.width * scale, mTextureRect.height * scale));
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            MyGUI::IntCoord scaledSize(mTextureRect.left * scale, mTextureRect.top * scale, mTextureRect.width * scale, mTextureRect.height * scale);
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            setImageCoord(scaledSize);
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        }
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        setImageTexture(textureName);
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    }
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    MyGUI::IntSize ImageButton::getRequestedSize()
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    {
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        MyGUI::ITexture* texture = MyGUI::RenderManager::getInstance().getTexture(mImageNormal);
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        if (!texture)
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        {
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            Log(Debug::Error) << "ImageButton: can't find image " << mImageNormal;
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            return MyGUI::IntSize(0,0);
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        }
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        if (mUseWholeTexture)
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            return MyGUI::IntSize(texture->getWidth(), texture->getHeight());
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        return MyGUI::IntSize(mTextureRect.width, mTextureRect.height);
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    }
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    void ImageButton::setImage(const std::string &image)
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    {
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        size_t extpos = image.find_last_of('.');
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        std::string imageNoExt = image.substr(0, extpos);
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        std::string ext = image.substr(extpos);
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        mImageNormal = imageNoExt + "_idle" + ext;
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        mImageHighlighted = imageNoExt + "_over" + ext;
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        mImagePushed = imageNoExt + "_pressed" + ext;
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        updateImage();
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    }
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    void ImageButton::onMouseButtonReleased(int _left, int _top, MyGUI::MouseButton _id)
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    {
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        if (_id == MyGUI::MouseButton::Left)
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        {
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            mMousePress = false;
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            updateImage();
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        }
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        Base::onMouseButtonReleased(_left, _top, _id);
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    }
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    void ImageButton::onKeySetFocus(MyGUI::Widget *_old)
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    {
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        mKeyFocus = true;
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        updateImage();
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    }
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    void ImageButton::onKeyLostFocus(MyGUI::Widget *_new)
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    {
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        mKeyFocus = false;
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        updateImage();
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    }
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}
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