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127 lines
5.1 KiB
C++
127 lines
5.1 KiB
C++
#pragma once
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#include "sdl.hpp"
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#include "sys/sys.hpp"
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#include "ui/Element.hpp"
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#include <string>
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namespace ui
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{
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/// @brief This is used in multiple places and rewriting it over and over is a waste of time.
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class TextScroll final : public ui::Element
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{
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public:
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/// @brief This is only here so I can get around the backup menu having static members.
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TextScroll() = default;
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/// @brief Constructor for TextScroll.
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/// @param text Text to create the textscroll with.
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/// @param fontSize Size of the font in pixels to use.
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/// @param width Maximum width to use for rendering text.
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/// @param x X coordinate to render to.
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/// @param y Y coordinate to render to.
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/// @param center Whether or not text should be centered if it's not wide enough for scrolling.
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/// @param color Color to use to render the text.
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TextScroll(std::string_view text,
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int x,
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int y,
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int width,
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int height,
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int fontSize,
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sdl::Color textColor,
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sdl::Color clearColor,
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bool center = true);
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/// @brief Creates and returns a new TextScroll. See constructor.
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static inline std::shared_ptr<ui::TextScroll> create(std::string_view text,
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int x,
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int y,
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int width,
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int height,
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int fontSize,
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sdl::Color textColor,
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sdl::Color clearColor,
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bool center = true)
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{
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return std::make_shared<ui::TextScroll>(text, x, y, width, height, fontSize, textColor, clearColor, center);
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}
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/// @brief Creates/sets the text and parameters for TextScroll.
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/// @param text Text to display/scroll.
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/// @param fontSize Font size to use when rendering.
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/// @param availableWidth Available width of the target buffer.
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/// @param y Y coordinate used to render text.
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/// @param center Whether or not text should be centered if it's not wide enough for scrolling.
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/// @param color Color to use to render text.
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void initialize(std::string_view text,
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int x,
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int y,
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int width,
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int height,
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int fontSize,
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sdl::Color textColor,
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sdl::Color clearColor,
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bool center = true);
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/// @brief Runs the update routine.
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/// @param hasFocus Whether or not the calling state has focus.
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void update(bool hasFocus) override;
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/// @brief Runs the render routine.
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/// @param target Target to render to.
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/// @param hasFocus Whether or not the calling state has focus.
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void render(sdl::SharedTexture &target, bool hasFocus) override;
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/// @brief Returns the current text being used for scrolling.
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std::string_view get_text() const noexcept;
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/// @brief Sets and allows changing the text scrolled.
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void set_text(std::string_view text, bool center);
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private:
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/// @brief Text to display.
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std::string m_text{};
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/// @brief X coordinate to render text at.
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int m_textX{};
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/// @brief Y coordinate to render text at. This is centered vertically.
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int m_textY{};
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/// @brief The X coordinate the render target is rendered to.
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int m_renderX{};
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/// @brief Y coordinate to render the target to.
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int m_renderY{};
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/// @brief Font size used to calculate and render text.
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int m_fontSize{};
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/// @brief Color used to render the text.
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sdl::Color m_textColor{};
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/// @brief Color used to clear the render target.
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sdl::Color m_clearColor{};
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/// @brief Width of text in pixels.
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int m_textWidth{};
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/// @brief Width of the render target.
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int m_targetWidth{};
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/// @brief Height of the render target.
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int m_targetHeight{};
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/// @brief Whether or not text is too wide to fit into the availableWidth passed to the constructor.
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bool m_textScrolling{};
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/// @brief Whether or not a scroll was triggered.
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bool m_textScrollTriggered{};
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sdl::SharedTexture m_renderTarget{};
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/// @brief Timer for scrolling text.
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sys::Timer m_scrollTimer;
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};
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} // namespace ui
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