SpinButton.hpp

 
//
// TGUI - Texus' Graphical User Interface
// Copyright (C) 2012-2024 Bruno Van de Velde (vdv_b@tgui.eu)
//
// This software is provided 'as-is', without any express or implied warranty.
// In no event will the authors be held liable for any damages arising from the use of this software.
//
// Permission is granted to anyone to use this software for any purpose,
// including commercial applications, and to alter it and redistribute it freely,
// subject to the following restrictions:
//
// 1. The origin of this software must not be misrepresented;
// you must not claim that you wrote the original software.
// If you use this software in a product, an acknowledgment
// in the product documentation would be appreciated but is not required.
//
// 2. Altered source versions must be plainly marked as such,
// and must not be misrepresented as being the original software.
//
// 3. This notice may not be removed or altered from any source distribution.
//
 
 
#ifndef TGUI_SPIN_BUTTON_HPP
#define TGUI_SPIN_BUTTON_HPP
 
 
#include <TGUI/Renderers/SpinButtonRenderer.hpp>
#include <TGUI/Widgets/ClickableWidget.hpp>
#include <TGUI/Timer.hpp>
 
 
TGUI_MODULE_EXPORT namespace tgui
{
 class TGUI_API SpinButton : public ClickableWidget
 {
 public:
 
 using Ptr = std::shared_ptr<SpinButton>; 
 using ConstPtr = std::shared_ptr<const SpinButton>; 
 
 static constexpr const char StaticWidgetType[] = "SpinButton"; 
 
 
 SpinButton(const char* typeName = StaticWidgetType, bool initRenderer = true);
 
 
 TGUI_NODISCARD static SpinButton::Ptr create(float minimum = 0, float maximum = 10);
 
 
 TGUI_NODISCARD static SpinButton::Ptr copy(const SpinButton::ConstPtr& spinButton);
 
 
 TGUI_NODISCARD SpinButtonRenderer* getSharedRenderer() override;
 TGUI_NODISCARD const SpinButtonRenderer* getSharedRenderer() const override;
 
 TGUI_NODISCARD SpinButtonRenderer* getRenderer() override;
 
 
 void setSize(const Layout2d& size) override;
 using Widget::setSize;
 
 
 void setMinimum(float minimum);
 
 
 TGUI_NODISCARD float getMinimum() const;
 
 
 void setMaximum(float maximum);
 
 
 TGUI_NODISCARD float getMaximum() const;
 
 
 void setValue(float value);
 
 
 TGUI_NODISCARD float getValue() const;
 
 
 void setStep(float step);
 
 
 TGUI_NODISCARD float getStep() const;
 
 
 void setVerticalScroll(bool vertical);
 
 
 TGUI_NODISCARD bool getVerticalScroll() const;
 
 
 bool leftMousePressed(Vector2f pos) override;
 
 void leftMouseReleased(Vector2f pos) override;
 
 void mouseMoved(Vector2f pos) override;
 
 
 void draw(BackendRenderTarget& target, RenderStates states) const override;
 
 
 protected:
 
 TGUI_NODISCARD Signal& getSignal(String signalName) override;
 
 
 void rendererChanged(const String& property) override;
 
 
 TGUI_NODISCARD std::unique_ptr<DataIO::Node> save(SavingRenderersMap& renderers) const override;
 
 
 void load(const std::unique_ptr<DataIO::Node>& node, const LoadingRenderersMap& renderers) override;
 
 
 // Returns the size of the arrows
 TGUI_NODISCARD Vector2f getArrowSize() const;
 
 
 // Makes a copy of the widget
 TGUI_NODISCARD Widget::Ptr clone() const override;
 
 
 private:
 
 // Schedules a callback to regularly change the value of the spin button as long as the mouse remains pressed on an arrow
 void callMousePressPeriodically(std::chrono::time_point<std::chrono::steady_clock> clicked);
 
 
 public:
 
 SignalFloat onValueChange = {"ValueChanged"}; 
 
 
 protected:
 
 // Is the spin button draw vertically (arrows on top of each other)?
 bool m_verticalScroll = true;
 std::chrono::time_point<std::chrono::steady_clock> m_PressedAt;
 
 float m_minimum = 0;
 float m_maximum = 10;
 float m_value = 0;
 float m_step = 1;
 
 // On which arrow is the mouse?
 bool m_mouseHoverOnTopArrow = false;
 bool m_mouseDownOnTopArrow = false;
 
 Sprite m_spriteArrowUp;
 Sprite m_spriteArrowUpHover;
 Sprite m_spriteArrowDown;
 Sprite m_spriteArrowDownHover;
 
 // Cached renderer properties
 Borders m_bordersCached;
 Color m_borderColorCached;
 Color m_backgroundColorCached;
 Color m_backgroundColorHoverCached;
 Color m_arrowColorCached;
 Color m_arrowColorHoverCached;
 float m_borderBetweenArrowsCached = 0;
 };
 
}
 
 
#endif // TGUI_SPIN_BUTTON_HPP