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104 lines
3.6 KiB
C++
104 lines
3.6 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 "GuiComponent.h"
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#include "resources/Font.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(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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glm::vec3 pos = {},
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glm::vec2 size = {},
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unsigned int bgcolor = 0x00000000);
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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, bool update = true);
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void setHiddenText(const std::string& text) { mHiddenText = 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) { mVerticalAlignment = align; }
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void setLineSpacing(float spacing);
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float getLineSpacing() override { return mLineSpacing; }
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void setNoTopMargin(bool margin);
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void setBackgroundColor(unsigned int color);
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void setRenderBackground(bool render) { mRenderBackground = render; }
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void render(const glm::mat4& parentTrans) override;
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std::string getValue() const override { return mText; }
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void setValue(const std::string& value) override { setText(value); }
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std::string getHiddenValue() const override { return mHiddenText; }
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void setHiddenValue(const std::string& value) override { setHiddenText(value); }
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unsigned char getOpacity() const override { return mColor & 0x000000FF; }
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void setOpacity(unsigned char opacity) override;
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void setSelectable(bool status) { mSelectable = status; }
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virtual void applyTheme(const std::shared_ptr<ThemeData>& theme,
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const std::string& view,
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const std::string& element,
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unsigned int properties) override;
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virtual std::vector<HelpPrompt> getHelpPrompts() override;
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unsigned int getColor() const override { return mColor; }
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std::shared_ptr<Font> getFont() const override { return mFont; }
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Alignment getHorizontalAlignment() { return mHorizontalAlignment; }
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Alignment getVerticalAlignment() { return mVerticalAlignment; }
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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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bool mRenderBackground;
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bool mUppercase;
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glm::ivec2 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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bool mNoTopMargin;
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bool mSelectable;
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};
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#endif // ES_CORE_COMPONENTS_TEXT_COMPONENT_H
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