312 lines
13 KiB
C++
312 lines
13 KiB
C++
/*
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OmniaFramework - A collection of useful functionality
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Copyright (C) 2025 OmniaX-Dev
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This file is part of OmniaFramework.
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OmniaFramework is free software: you can redistribute it and/or modify
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it under the terms of the GNU General Public License as published by
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the Free Software Foundation, either version 3 of the License, or
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(at your option) any later version.
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OmniaFramework is distributed in the hope that it will be useful,
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but WITHOUT ANY WARRANTY; without even the implied warranty of
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MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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GNU General Public License for more details.
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You should have received a copy of the GNU General Public License
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along with OmniaFramework. If not, see <https://www.gnu.org/licenses/>.
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*/
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#pragma once
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#include <ogfx/gui/Events.hpp>
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#include <ogfx/gui/WidgetManager.hpp>
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#include <ostd/data/BaseObject.hpp>
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#include <ostd/math/Geometry.hpp>
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#include <ostd/io/Stylesheet.hpp>
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#include <ostd/utils/Defines.hpp>
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#include <ostd/utils/Time.hpp>
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#include <functional>
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namespace ogfx
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{
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namespace gui
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{
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class Widget : public ostd::BaseObject, public Rectangle
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{
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private: struct ThemeOverride
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{
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String fullKey;
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ostd::Stylesheet::TypeVariant value;
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};
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public: enum class eCallback
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{
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MousePressed = 0,
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MouseReleased,
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MouseMoved,
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MouseScrolled,
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DragAndDrop,
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MouseEntered,
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MouseExited,
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MouseDragged,
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KeyPressed,
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KeyReleased,
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TextEntered,
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WindowClosed,
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WindowResized,
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WindowFocused,
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WindowFocusLost
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};
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public: using EventCallback = std::function<void(const Event&)>;
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public:
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// ================================== MAIN =================================
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Widget(const Rectangle& bounds, WindowCore& window);
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bool addWidget(Widget& child, const Vec2& position = { 0, 0 }, bool __skip_callback = false);
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bool removeWidget(Widget& child);
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void enable(bool enable = true);
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void addThemeOverride(const String& fullKey, ostd::Stylesheet::TypeVariant value);
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void reloadTheme(bool propagate = false);
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void setThemeQualifier(const String& qualifier, bool value = true);
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bool getThemeQualifier(const String& qualifier) const;
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bool addThemeID(const String& id);
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bool removeThemeID(const String& id);
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void setVisible(bool v);
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void setCallback(eCallback type, EventCallback callback);
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using Rectangle::contains; bool contains(Vec2 p, bool includeBounds = false) const override;
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template<typename T>
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inline T getThemeValue(const ostd::Stylesheet &theme, const String& key, const T& fallback)
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{
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return theme.get<T>(property(key), fallback, getThemeIDList(), getThemeQualifierList());
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}
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// ==========================================================================
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// ================================== CORE =================================
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void __draw(ogfx::BasicRenderer2D& gfx);
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void __update(void);
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void __onMousePressed(const Event& event);
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void __onMouseReleased(const Event& event);
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void __onDragAndDrop(const Event& event);
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void __onMouseMoved(const Event& event);
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void __onMouseScrolled(const Event& event);
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void __onMouseEntered(const Event& event);
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void __onMouseExited(const Event& event);
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void __onMouseDragged(const Event& event);
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void __onKeyPressed(const Event& event);
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void __onKeyReleased(const Event& event);
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void __onTextEntered(const Event& event);
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void __onWindowClosed(const Event& event);
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void __onWindowResized(const Event& event);
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void __onWindowFocused(const Event& event);
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void __onWindowFocusLost(const Event& event);
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void __applyTheme(const ostd::Stylesheet& theme, bool propagate);
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// ==========================================================================
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// =============================== DIMENSIONS ===============================
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virtual Vec2 getGlobalPosition(void) const;
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virtual Vec2 getGlobalContentPosition(void) const;
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virtual Rectangle getGlobalBounds(void) const;
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virtual Rectangle getContentBounds(void) const;
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virtual Rectangle getPureContentBounds(void) const;
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virtual Rectangle getGlobalContentBounds(void) const;
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virtual Rectangle getGlobalPureContentBounds(void) const;
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virtual Rectangle getContentExtents(void) const;
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// ==========================================================================
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// ================================= GETSET =================================
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inline static void setDragAndDropData(ostd::BaseObject& data) { s_dragAndDropData = &data; s_hasDragAndDropData = true; }
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inline static void clearDragAndDropData(void) { s_dragAndDropData = nullptr; }
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inline static ostd::BaseObject* getDragAndDropData(void) { return s_dragAndDropData; }
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inline WindowCore& getWindow(void) { return *m_window; }
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inline Widget* getParent(void) { return m_parent; }
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inline i32 getZIndex(void) const { return m_zIndex; }
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inline ogfx::MouseEventData::eButton getPressedMouseButton(void) const { return m_pressedButton; }
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inline const stdvec<String>& getThemeIDList(void) const { return m_themeIDList; }
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inline const ostd::Stylesheet::QualifierList& getThemeQualifierList(void) const { return m_qualifierList; }
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inline String getStylesheetCategoryName(void) const { return m_stylesheetCategoryName; }
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inline WidgetManager& getChildren(void) { return m_widgets; }
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OSTD_PARAM_GETSET(Color, TextColor, m_textColor);
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OSTD_PARAM_GETSET(Color, BackgroundColor, m_backgroundColor);
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OSTD_PARAM_GETSET(Color, BorderColor, m_borderColor);
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OSTD_PARAM_GETSET(i32, BorderRadius, m_borderRadius);
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OSTD_PARAM_GETSET(i32, BorderWidth, m_borderWidth);
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OSTD_PARAM_GETSET(i32, FontSize, m_fontSize);
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OSTD_PARAM_GETSET(ostd::ColorGradient, BackgroundGradient, m_backgroundGradient);
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OSTD_PARAM_GETSET(Rectangle, Padding, m_padding);
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OSTD_PARAM_GETSET(Rectangle, Margin, m_margin);
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OSTD_PARAM_GETSET(i32, TabIndex, m_tabIndex);
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OSTD_PARAM_GETSET(Vec2, ContentOffset, m_contentOffset);
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OSTD_PARAM_GETSET(String, TooltipText, m_tooltipText);
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// BOOL PARAMETERS
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inline bool isVisible(void) const { return m_visible; }
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inline void show(void) { setVisible(true); }
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inline void hide(void) { setVisible(false); }
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inline bool isChildrenEnabled(void) const { return m_allowChildren; }
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inline bool isEnabled(void) const { return m_enabled; }
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inline void disable(void) { enable(false); }
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inline bool isFocused(void) const { return m_focused; }
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inline bool isMouseInside(void) const { return m_mouseInside; }
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inline bool hasChildren(void) const { return m_allowChildren && m_widgets.widgetCount() > 0; }
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inline bool isRootChild(void) const { return m_rootChild; }
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inline void setRootChild(void) { m_rootChild = true; }
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inline virtual bool isInvalid(void) const override { return ostd::BaseObject::isInvalid() || (m_parent == nullptr && !m_rootChild); }
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OSTD_BOOL_PARAM_GETSET_E(Focus, m_allowFocus);
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OSTD_BOOL_PARAM_GETSET_E(StopEvents, m_stopEvents);
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OSTD_BOOL_PARAM_GETSET_E(DragAndDrop, m_acceptDragAndDrop);
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OSTD_BOOL_PARAM_GETSET_E(Background, m_showBackground);
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OSTD_BOOL_PARAM_GETSET_E(Border, m_showBorder);
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OSTD_BOOL_PARAM_GETSET_E(ManualDraw, m_manualDraw);
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OSTD_BOOL_PARAM_GETSET_E(TopMost, m_topMost);
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OSTD_BOOL_PARAM_GETSET_E(IgnoreScroll, m_ignoreScroll);
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OSTD_BOOL_PARAM_GETSET_E(VScroll, m_vScrollEnabled);
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OSTD_BOOL_PARAM_GETSET_E(HScroll, m_vScrollEnabled);
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OSTD_BOOL_PARAM_GETSET_E(BackgroundGradient, m_useBackgroundGradient);
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OSTD_BOOL_PARAM_GETSET_E(Theming, m_enableTheming);
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OSTD_BOOL_PARAM_GETSET_E(Tooltip, m_enableTooltip);
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// ==========================================================================
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protected:
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void apply_common_theme_values(const ostd::Stylesheet& theme);
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inline void disableChildren(void) { m_allowChildren = false; }
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inline void setStylesheetCategoryName(const String& name) { m_stylesheetCategoryName = name; }
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inline String property(const ostd::String& prop) const { return m_stylesheetCategoryName + "." + prop; }
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private:
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// ======= CORE =======
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WindowCore* m_window { nullptr };
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Widget* m_parent { nullptr };
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WidgetManager m_widgets;
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bool m_rootChild { false };
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bool m_focused { false };
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i32 m_tabIndex { -1 };
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i32 m_zIndex { -1 };
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String m_tooltipText { "" };
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MouseEventData::eButton m_pressedButton { MouseEventData::eButton::None };
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// ====================
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// ======= BOOL =======
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bool m_allowChildren { true };
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bool m_mouseInside { false };
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bool m_allowFocus { true };
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bool m_enabled { true };
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bool m_stopEvents { true };
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bool m_clipContents { true };
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bool m_acceptDragAndDrop { false };
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bool m_visible { true };
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bool m_ignoreScroll { false};
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bool m_manualDraw { false };
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bool m_topMost { false };
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bool m_vScrollEnabled { false };
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bool m_hScrollEnabled { false };
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bool m_enableTheming { true };
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bool m_enableTooltip { false };
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// ====================
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// ====== THEMING =====
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String m_stylesheetCategoryName { "" };
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stdvec<String> m_themeIDList;
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ostd::Stylesheet::QualifierList m_qualifierList {
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{ "disabled", false },
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{ "pressed", false },
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{ "hover", false },
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{ "focused", false },
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{ "active", false }
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};
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stdvec<ThemeOverride> m_themeOverrides;
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Rectangle m_padding { 0, 0, 0, 0 };
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Rectangle m_margin { 0, 0, 0, 0 };
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Vec2 m_contentOffset { 0, 0 };
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i32 m_borderRadius { 0 };
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i32 m_borderWidth { 2 };
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Color m_borderColor { 255, 255, 255 };
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bool m_showBorder { false };
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Color m_backgroundColor { Colors::Transparent };
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bool m_showBackground { false };
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i32 m_fontSize { 20 };
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Color m_textColor { 255, 255, 255 };
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bool m_useBackgroundGradient { false };
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ColorGradient m_backgroundGradient {
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{ Color { 160, 160, 160 }, Color { 120, 120, 120 } },
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{ 1.0f }
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};
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// ====================
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// ====== STATIC ======
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static ostd::BaseObject* s_dragAndDropData;
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static bool s_hasDragAndDropData;
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friend class WidgetManager;
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// ====================
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// =============================== CALLBACKS/DUMMIES ===============================
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protected:
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EventCallback callback_onMousePressed { nullptr };
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EventCallback callback_onMouseReleased { nullptr };
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EventCallback callback_onDragAndDrop { nullptr };
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EventCallback callback_onMouseMoved { nullptr };
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EventCallback callback_onMouseScrolled { nullptr };
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EventCallback callback_onMouseEntered { nullptr };
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EventCallback callback_onMouseExited { nullptr };
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EventCallback callback_onMouseDragged { nullptr };
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EventCallback callback_onKeyPressed { nullptr };
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EventCallback callback_onKeyReleased { nullptr };
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EventCallback callback_onTextEntered { nullptr };
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EventCallback callback_onWindowClosed { nullptr };
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EventCallback callback_onWindowResized { nullptr };
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EventCallback callback_onWindowFocused { nullptr };
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EventCallback callback_onWindowFocusLost { nullptr };
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public:
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// ====================== DUMMIES ======================
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inline virtual void applyTheme(const ostd::Stylesheet& theme) { }
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inline virtual Vec2 getScrollOffset(void) const { return { 0, 0 }; }
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inline virtual void setScrollOffset(const Vec2& offset) { }
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inline virtual void addScrollOffset(const Vec2& offset) { }
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inline virtual bool needsVScroll(void) const { return false; }
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inline virtual bool needsHScroll(void) const { return false; }
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inline virtual void resetScroll(bool horizontal = true, bool vertical = true, bool propagate = true) { }
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inline virtual f32 getVScrollbarSize(void) const { return 0; }
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inline virtual f32 getHScrollbarSize(void) const { return 0; }
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// =====================================================
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inline virtual void onDraw(ogfx::BasicRenderer2D& gfx) { }
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inline virtual void afterDraw(ogfx::BasicRenderer2D& gfx) { }
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inline virtual void beforeDraw(ogfx::BasicRenderer2D& gfx) { }
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inline virtual void onUpdate(void) { }
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inline virtual void onWidgetAdded(Widget& child) { }
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inline virtual void onMousePressed(const Event& event) { }
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inline virtual void onMouseReleased(const Event& event) { }
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inline virtual void onMouseMoved(const Event& event) { }
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inline virtual void onMouseScrolled(const Event& event) { }
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inline virtual void onDragAndDrop(const Event& event) { }
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inline virtual void onMouseEntered(const Event& event) { }
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inline virtual void onMouseExited(const Event& event) { }
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inline virtual void onMouseDragged(const Event& event) { }
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inline virtual void onKeyPressed(const Event& event) { }
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inline virtual void onKeyReleased(const Event& event) { }
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inline virtual void onTextEntered(const Event& event) { }
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inline virtual void onFocusGained(const Event& event) { }
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inline virtual void onFocusLost(const Event& event) { }
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inline virtual void onWindowClosed(const Event& event) { }
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inline virtual void onWindowResized(const Event& event) { }
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inline virtual void onWindowFocused(const Event& event) { }
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inline virtual void onWindowFocusLost(const Event& event) { }
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};
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}
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}
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