273 lines
12 KiB
C++
273 lines
12 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 "gui/Events.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/data/Color.hpp>
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#include <ostd/io/Stylesheet.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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class BasicRenderer2D;
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class WindowCore;
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namespace gui
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{
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class Event;
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class Widget;
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class WidgetManager
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{
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public:
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WidgetManager(WindowCore& window, Widget& owner);
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bool hasWidget(Widget& widget);
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bool requestFocus(Widget& widget);
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bool addWidget(Widget& widget);
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Widget* focusNext(void);
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void draw(ogfx::BasicRenderer2D& gfx);
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void update(void);
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void onThemeApplied(const ostd::Stylesheet& theme);
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void onMousePressed(const Event& event);
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void onMouseReleased(const Event& event);
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void onMouseMoved(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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inline int32_t widgetCount(void) const { return m_widgetList.size(); }
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inline WindowCore& getWindow(void) { return m_window; }
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private:
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WindowCore& m_window;
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Widget& m_owner;
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std::vector<Widget*> m_widgetList;
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Widget* m_focused { nullptr };
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bool m_tabNavigationEnabled { true };
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Widget* m_mousePressedOnWidget { nullptr };
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};
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class Widget : public ostd::BaseObject, public ostd::Rectangle
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{
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private: struct ThemeOverride
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{
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ostd::String fullKey;
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ostd::Stylesheet::TypeVariant value;
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bool propagate;
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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 ostd::Rectangle& bounds, WindowCore& window);
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bool addChild(Widget& child);
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ostd::Vec2 getGlobalPosition(void) const;
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using ostd::Rectangle::contains;
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bool contains(ostd::Vec2 p, bool includeBounds = false) const override;
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virtual void applyTheme(const ostd::Stylesheet& theme) = 0;
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void addThemeOverride(const ostd::String& fullKey, ostd::Stylesheet::TypeVariant value, bool propagate = true);
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void reloadTheme(void);
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void setThemeQualifier(const ostd::String& qualifier, bool value = true);
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bool getThemeQualifier(const ostd::String& qualifier);
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bool addThemeID(const ostd::String& id);
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bool removeThemeID(const ostd::String& id);
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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 onUpdate(void) { }
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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 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 __onMouseMoved(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 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(int32_t tabIndex) { m_tabIndex = tabIndex; }
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inline int32_t 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 int32_t 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 ostd::Rectangle& pad) { m_padding = pad; }
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inline Rectangle getPadding(void) { return m_padding; }
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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 std::vector<ostd::String>& getThemeIDList(void) const { return m_themeIDList; }
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template<typename T>
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inline T getThemeValue(const ostd::Stylesheet &theme, const ostd::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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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 ostd::Color& color) { m_drawBoxColor = color; }
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inline ostd::Color getDrawBoxColor(void) { return m_drawBoxColor; }
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protected:
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bool m_rootChild { false };
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EventCallback callback_onMousePressed { nullptr };
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EventCallback callback_onMouseReleased { nullptr };
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EventCallback callback_onMouseMoved { 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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int32_t m_tabIndex { -1 };
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int32_t 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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MouseEventData::eButton m_pressedButton { MouseEventData::eButton::None };
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std::vector<ostd::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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std::vector<ThemeOverride> m_themeOverrides;
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bool m_drawBox { true };
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ostd::Color m_drawBoxColor { 255, 0, 0 };
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ostd::Rectangle m_padding { 0, 0, 0, 0 };
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friend class WidgetManager;
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};
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namespace widgets
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{
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class RootWidget : public Widget
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{
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public:
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RootWidget(WindowCore& window);
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void onWindowResized(const Event& event) override;
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void applyTheme(const ostd::Stylesheet& theme) override;
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void onDraw(ogfx::BasicRenderer2D& gfx) override;
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private:
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ostd::Color m_color { ostd::Colors::Transparent };
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};
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class Label : public Widget
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{
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public:
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inline Label(WindowCore& window) : Widget({ 0, 0, 0, 0 }, window) { create(""); }
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inline Label(WindowCore& window, const ostd::String& text) : Widget({ 0, 0, 0, 0 }, window) { create(text); }
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Label& create(const ostd::String& text);
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void applyTheme(const ostd::Stylesheet& theme) override;
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void onDraw(ogfx::BasicRenderer2D& gfx) override;
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void setText(const ostd::String& text);
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inline ostd::String getText(void) const { return m_text; }
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inline ostd::Color getColor(void) const { return m_color; }
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inline void setColor(const ostd::Color& color) { m_color = color; }
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inline int32_t getFontSize(void) const { return m_fontSize; }
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inline void setFontSize(int32_t fontSize) { m_fontSize = fontSize; }
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inline void setBackGroundColor(const ostd::Color& color) { m_backgroundColor = color; }
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inline ostd::Color getBackgroundColor(const ostd::Color& color) { 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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private:
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void __update_size(ogfx::BasicRenderer2D& gfx);
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private:
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ostd::String m_text { "" };
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bool m_textChanged { false };
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int32_t m_fontSize { 20 };
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ostd::Color m_color { 255, 255, 255 };
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int32_t m_borderRadius { 10 };
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int32_t m_borderWidth { 2 };
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bool m_showBorder { false };
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bool m_showBackground { false };
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ostd::Color m_backgroundColor { ostd::Colors::Transparent };
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ostd::Color m_borderColor { 255, 255, 255 };
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private:
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};
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}
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}
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}
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