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96 lines
3 KiB
C++
96 lines
3 KiB
C++
// SPDX-License-Identifier: MIT
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//
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// EmulationStation Desktop Edition
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// TextComponent.h
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//
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// Displays text.
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//
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#ifndef ES_CORE_COMPONENTS_TEXT_COMPONENT_H
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#define ES_CORE_COMPONENTS_TEXT_COMPONENT_H
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#include "resources/Font.h"
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#include "GuiComponent.h"
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class ThemeData;
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// Used to display text.
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// TextComponent::setSize(x, y) works a little differently than most components:
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// * (0, 0) - Will automatically calculate a size that fits
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// the text on one line (expand horizontally).
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// * (x != 0, 0) - Wrap text so that it does not reach beyond x. Will
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// automatically calculate a vertical size (expand vertically).
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// * (x != 0, y <= fontHeight) - Will truncate text so it fits within this box.
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class TextComponent : public GuiComponent
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{
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public:
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TextComponent(Window* window);
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TextComponent(
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Window* window,
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const std::string& text,
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const std::shared_ptr<Font>& font,
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unsigned int color = 0x000000FF,
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Alignment align = ALIGN_LEFT,
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Vector3f pos = Vector3f::Zero(),
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Vector2f size = Vector2f::Zero(),
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unsigned int bgcolor = 0x00000000,
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float margin = 0.0f);
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void setFont(const std::shared_ptr<Font>& font);
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void setUppercase(bool uppercase);
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void onSizeChanged() override;
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void setText(const std::string& text);
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void setHiddenText(const std::string& text);
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void setColor(unsigned int color) override;
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void setHorizontalAlignment(Alignment align);
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void setVerticalAlignment(Alignment align);
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void setLineSpacing(float spacing);
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void setBackgroundColor(unsigned int color);
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void setRenderBackground(bool render);
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void render(const Transform4x4f& parentTrans) override;
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std::string getValue() const override;
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void setValue(const std::string& value) override;
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std::string getHiddenValue() const override;
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void setHiddenValue(const std::string& value) override;
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unsigned char getOpacity() const override;
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void setOpacity(unsigned char opacity) override;
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virtual void applyTheme(const std::shared_ptr<ThemeData>& theme, const std::string& view,
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const std::string& element, unsigned int properties) override;
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unsigned int getColor() const override { return mColor; };
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inline std::shared_ptr<Font> getFont() const { return mFont; }
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protected:
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virtual void onTextChanged();
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std::string mText;
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std::string mHiddenText;
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std::shared_ptr<Font> mFont;
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private:
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void calculateExtent();
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void onColorChanged();
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unsigned int mColor;
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unsigned int mBgColor;
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unsigned char mColorOpacity;
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unsigned char mBgColorOpacity;
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float mMargin;
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bool mRenderBackground;
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bool mUppercase;
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Vector2i mAutoCalcExtent;
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std::shared_ptr<TextCache> mTextCache;
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Alignment mHorizontalAlignment;
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Alignment mVerticalAlignment;
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float mLineSpacing;
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};
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#endif // ES_CORE_COMPONENTS_TEXT_COMPONENT_H
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