262 lines
13 KiB
C++
262 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 <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: using EventCallback = std::function<void(const Event&)>;
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public:
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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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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 getGlobalContentBounds(void) const;
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virtual Rectangle getContentExtents(void) const;
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using Rectangle::contains;
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bool contains(Vec2 p, bool includeBounds = false) const override;
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void enable(bool enable = true);
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virtual void applyTheme(const ostd::Stylesheet& theme) = 0;
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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 needsScroll(void) const { return false; }
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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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inline const ostd::Stylesheet::QualifierList& getThemeQualifierList(void) const { return m_qualifierList; }
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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 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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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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inline virtual void setMousePressedCallback(EventCallback callback) { callback_onMousePressed = callback; }
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inline virtual void setMouseReleasedCallback(EventCallback callback) { callback_onMouseReleased = callback; }
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inline virtual void setMouseMovedCallback(EventCallback callback) { callback_onMouseMoved = callback; }
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inline virtual void setMouseScrolledCallback(EventCallback callback) { callback_onMouseScrolled = callback; }
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inline virtual void setDragAndDropCallback(EventCallback callback) { callback_onDragAndDrop = callback; }
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inline virtual void setMouseEnteredCallback(EventCallback callback) { callback_onMouseEntered = callback; }
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inline virtual void setMouseExitedCallback(EventCallback callback) { callback_onMouseExited = callback; }
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inline virtual void setMouseDraggedCallback(EventCallback callback) { callback_onMouseDragged = callback; }
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inline virtual void setKeyPressedCallback(EventCallback callback) { callback_onKeyPressed = callback; }
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inline virtual void setKeyReleasedCallback(EventCallback callback) { callback_onKeyReleased = callback; }
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inline virtual void setTextEnteredCallback(EventCallback callback) { callback_onTextEntered = callback; }
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inline virtual void setWindowClosedCallback(EventCallback callback) { callback_onWindowClosed = callback; }
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inline virtual void setWindowResizedCallback(EventCallback callback) { callback_onWindowResized = callback; }
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inline virtual void setWindowFocusedCallback(EventCallback callback) { callback_onWindowFocused = callback; }
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inline virtual void setWindowFocusLostCallback(EventCallback callback) { callback_onWindowFocusLost = callback; }
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inline bool hasChildren(void) const { return m_allowChildren && m_widgets.widgetCount() > 0; }
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inline virtual bool isInvalid(void) const override { return ostd::BaseObject::isInvalid() || (m_parent == nullptr && !m_rootChild); }
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inline void setTabIndex(i32 tabIndex) { m_tabIndex = tabIndex; }
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inline i32 getTabIndex(void) const { return m_tabIndex; }
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inline bool isFocused(void) const { return m_focused; }
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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 bool isChildrenEnabled(void) const { return m_allowChildren; }
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inline void setPadding(const Rectangle& pad) { m_padding = pad; }
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inline void setMargin(const Rectangle& margin) { m_margin = margin; }
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inline Rectangle getPadding(void) const { return m_padding; }
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inline Rectangle getMargin(void) const { return m_margin; }
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inline bool isMouseInside(void) const { return m_mouseInside; }
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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 bool isEnabled(void) const { return m_enabled; }
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inline bool isFocusEnabled(void) const { return m_allowFocus; }
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inline void enableFocus(bool enable = true) { m_allowFocus = enable; }
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inline void disableFocus(void) { enableFocus(false); }
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inline void disable(void) { enable(false); }
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inline void enableStopEvents(bool enable = true) { m_stopEvents = enable; }
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inline bool isDragAndDropEnabled(void) const { return m_acceptDragAndDrop; }
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inline void enableDragAndDrop(bool enable = true) { m_acceptDragAndDrop = enable; }
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inline void disableDragAndDrop(void) { enableDragAndDrop(false); }
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inline void setBackGroundColor(const Color& color) { m_backgroundColor = color; }
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inline Color getBackgroundColor(void) { return m_backgroundColor; }
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inline void enableBackground(bool enable = true) { m_showBackground = enable; }
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inline bool isBackgoundEnabled(void) const { return m_showBackground; }
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inline void setBorderColor(const Color& color) { m_borderColor = color; }
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inline Color getBorderColor(void) { return m_borderColor; }
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inline void enableBorder(bool enable = true) { m_showBorder = enable; }
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inline bool isBorderEnabled(void) const { return m_showBorder; }
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inline void enableManualDraw(bool enable = true) { m_manualDraw = enable; }
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inline bool isManualDrawEnabled(void) const { return m_manualDraw; }
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inline void enableTopMost(bool enable = true) { m_topMost = enable; }
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inline bool isTopMostEnabled(void) const { return m_topMost; }
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inline void setBorderRadius(i32 br) { m_borderRadius = br; }
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inline i32 getBorderRadius(void) const { return m_borderRadius; }
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inline void setBorderWidth(i32 bw) { m_borderWidth = bw; }
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inline i32 getBorderWidth(void) const { return m_borderWidth; }
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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 void allowScroll(bool allow = true) { m_allowScroll = allow; }
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inline bool isScrollAllowed(void) const { return m_allowScroll; }
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inline void allowIgnoreScroll(bool allow = true) { m_ignoreScroll = allow; }
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inline bool isIgnoreScrollAllowed(void) const { return m_ignoreScroll; }
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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>(key, fallback, getThemeIDList(), getThemeQualifierList());
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}
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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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protected:
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inline void disableChildren(void) { m_allowChildren = false; }
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inline void disableDrawBox(void) { m_drawBox = false; }
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inline void enableDrawBox(void) { m_drawBox = true; }
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inline bool isDrawBoxEnabled(void) const { return m_drawBox; }
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inline void setDrawBoxColor(const Color& color) { m_drawBoxColor = color; }
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inline Color getDrawBoxColor(void) { return m_drawBoxColor; }
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protected:
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bool m_rootChild { false };
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i32 m_borderRadius { 10 };
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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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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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private:
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WindowCore* m_window { nullptr };
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Widget* m_parent { nullptr };
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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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WidgetManager m_widgets;
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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_allowScroll { false };
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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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MouseEventData::eButton m_pressedButton { MouseEventData::eButton::None };
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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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bool m_drawBox { true };
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Color m_drawBoxColor { 255, 0, 0 };
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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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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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}
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}
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